Update the version number to a1.5.0-pre

Added config to draw always in generation quality (if true the game will crash with  render distance>256)

build.gradle

@@ -1,7 +1,6 @@
 buildscript {
     repositories {
-        maven { url = 'https://files.minecraftforge.net/maven' }
-        jcenter()
+        maven { url = 'https://files.minecraftforge.net' }
         mavenCentral()
         // potential replacement in case of problems:
 		// https://dist.creeper.host/Sponge/maven
@@ -19,20 +18,13 @@ apply plugin: 'org.spongepowered.mixin'
 // Only edit below this line, the above code adds and enables the necessary things for Forge to be setup.
 apply plugin: 'eclipse'
 apply plugin: 'maven-publish'
-apply plugin: 'java' // needed for compileJava
 
-version = 'a1.4'
+version = 'a1.5.0-pre'
 group = 'com.seibel.lod'
 archivesBaseName = 'lod_1.16.5'
 
-sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = '1.8' // Need this here so eclipse task generates correctly.
 
-compileJava {
-    // release 8 is needed because otherwise FloatBuffer.flip() will crash
-    // on some machines
-    // example thread: https://github.com/eclipse/jetty.project/issues/3244
-    options.compilerArgs.addAll(['--release', '8', '-Xlint:unchecked', '-Xlint:deprecation']) 
-}
+sourceCompatibility = targetCompatibility = compileJava.sourceCompatibility = compileJava.targetCompatibility = '1.8' // Need this here so eclipse task generates correctly.
 
 println('Java: ' + System.getProperty('java.version') + ' JVM: ' + System.getProperty('java.vm.version') + '(' + System.getProperty('java.vendor') + ') Arch: ' + System.getProperty('os.arch'))
 minecraft {
@@ -200,7 +192,7 @@ jar {
             "Specification-Title": "LOD",
             "Specification-Version": "1", // We are version 1 of ourselves
             "Implementation-Title": project.name,
-            "Implementation-Version": "{version}",
+            "Implementation-Version": "1",
             "Implementation-Timestamp": new Date().format("yyyy-MM-dd'T'HH:mm:ssZ"),
 			"MixinConfigs": "lod.mixins.json",
         ])
@@ -228,4 +220,4 @@ publishing {
 
 mixin {
     add sourceSets.main, "lod.refmap.json"
-}
+}

src/main/java/com/seibel/lod/Main.java

@@ -0,0 +1,55 @@
+package com.seibel.lod;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import com.seibel.lod.builders.lodTemplates.Box;
+import com.seibel.lod.util.DataPointUtil;
+
+import net.minecraft.util.Direction;
+
+public class Main
+{
+	public static void main(String[] args)
+	{
+		/*
+		try
+		{
+			@SuppressWarnings("serial")
+			Map<Direction, long[]> adjData = new HashMap<Direction, long[]>()
+			{{
+				put(Direction.EAST, new long[]{DataPointUtil.createDataPoint(60, 30, 0, 0, 0, 0), DataPointUtil.createDataPoint(25, 10, 0, 0, 0, 0)});
+				put(Direction.WEST,  new long[]{DataPointUtil.createDataPoint(60, 10, 0, 0, 0, 0)});
+				put(Direction.NORTH,  new long[]{DataPointUtil.createDataPoint(40, 20, 0, 0, 0, 0)});
+				put(Direction.SOUTH,  new long[]{DataPointUtil.createDataPoint(40, 20, 0, 0, 0, 0)});
+			}};
+
+			Box box = new Box();
+			int height = 60;
+			int depth = 20;
+
+			box.set(10, height - depth, 10);
+			box.move(0, depth, 0);
+			box.setAdjData(adjData);
+
+			for(Direction direction : Box.DIRECTIONS)
+			{
+				int adjIndex = 0;
+				while (box.shouldContinue(direction, adjIndex))
+				{
+					System.out.println(direction.toString());
+					for (int i = 0; i < 4; i++)
+					{
+						System.out.println(box.getX(direction, i) + " " + box.getY(direction, i, adjIndex) + " " + box.getZ(direction, i));
+					}
+					adjIndex++;
+				}
+			}
+
+		} catch (Exception e)
+		{
+			e.printStackTrace();
+		}
+		*/
+	}
+}

src/main/java/com/seibel/lod/ModInfo.java

@@ -28,5 +28,5 @@ public final class ModInfo
 	public static final String MODID = "lod";
 	public static final String MODNAME = "LOD";
 	public static final String MODAPI = "LodAPI";
-	public static final String VERSION = "a1.4";
+	public static final String VERSION = "a1.5.0-pre";
 }

src/main/java/com/seibel/lod/builders/GenerationRequest.java

@@ -1,28 +0,0 @@
-package com.seibel.lod.builders;
-
-import com.seibel.lod.enums.DistanceGenerationMode;
-import com.seibel.lod.objects.LevelPos.LevelPos;
-import com.seibel.lod.util.LodUtil;
-import net.minecraft.util.math.ChunkPos;
-
-/**
- * @author Leonardo Amato
- * @version 22-08-2021
- */
-public class GenerationRequest
-{
-	public final LevelPos levelPos;
-	public final DistanceGenerationMode generationMode;
-
-	public GenerationRequest(LevelPos levelPos, DistanceGenerationMode generationMode)
-	{
-		this.levelPos = levelPos;
-		this.generationMode = generationMode;
-	}
-
-	public ChunkPos getChunkPos()
-	{
-		LevelPos chunkLevelPos = levelPos.getConvertedLevelPos(LodUtil.CHUNK_DETAIL_LEVEL);
-		return new ChunkPos(chunkLevelPos.posX, chunkLevelPos.posZ);
-	}
-}

src/main/java/com/seibel/lod/builders/LodBufferBuilder.java

@@ -17,103 +17,123 @@
  */
 package com.seibel.lod.builders;
 
+import java.nio.ByteBuffer;
 import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 import java.util.concurrent.Callable;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
 import java.util.concurrent.locks.ReentrantLock;
 
-import org.apache.commons.lang3.mutable.MutableBoolean;
 import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL15;
+import org.lwjgl.opengl.GL15C;
 
+import com.seibel.lod.builders.lodTemplates.Box;
 import com.seibel.lod.config.LodConfig;
+import com.seibel.lod.enums.VerticalQuality;
 import com.seibel.lod.objects.LodDimension;
+import com.seibel.lod.objects.LodRegion;
+import com.seibel.lod.objects.PosToRenderContainer;
 import com.seibel.lod.objects.RegionPos;
-import com.seibel.lod.objects.LevelPos.LevelPos;
 import com.seibel.lod.proxy.ClientProxy;
+import com.seibel.lod.proxy.GlProxy;
+import com.seibel.lod.proxy.GlProxy.GlProxyContext;
 import com.seibel.lod.render.LodRenderer;
+import com.seibel.lod.util.DataPointUtil;
+import com.seibel.lod.util.DetailDistanceUtil;
+import com.seibel.lod.util.LevelPosUtil;
 import com.seibel.lod.util.LodThreadFactory;
 import com.seibel.lod.util.LodUtil;
 
 import net.minecraft.client.renderer.BufferBuilder;
 import net.minecraft.client.renderer.vertex.VertexBuffer;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
 
-
 /**
  * This object is used to create NearFarBuffer objects.
  *
  * @author James Seibel
- * @version 8-24-2021
+ * @version 9-22-2021
  */
 public class LodBufferBuilder
 {
 	/**
 	 * This holds the thread used to generate new LODs off the main thread.
 	 */
-	private ExecutorService mainGenThread = Executors.newSingleThreadExecutor(new LodThreadFactory(this.getClass().getSimpleName() + " - main"));
+	public static ExecutorService mainGenThread = Executors.newSingleThreadExecutor(new LodThreadFactory(LodBufferBuilder.class.getSimpleName() + " - main"));
 	/**
 	 * This holds the threads used to generate buffers.
 	 */
-	private ExecutorService bufferBuilderThreads = Executors.newFixedThreadPool(LodConfig.CLIENT.threading.numberOfBufferBuilderThreads.get(), new LodThreadFactory(this.getClass().getSimpleName() + " - builder"));
-
+	public static ExecutorService bufferBuilderThreads = Executors.newFixedThreadPool(LodConfig.CLIENT.threading.numberOfBufferBuilderThreads.get(), new LodThreadFactory(LodBufferBuilder.class.getSimpleName() + " - builder"));
+	
 	/**
 	 * The buffers that are used to create LODs using far fog
 	 */
 	public volatile BufferBuilder[][] buildableBuffers;
-
+	
 	/**
 	 * Used when building new VBOs
 	 */
 	public volatile VertexBuffer[][] buildableVbos;
-
+	
 	/**
 	 * VBOs that are sent over to the LodNodeRenderer
 	 */
 	public volatile VertexBuffer[][] drawableVbos;
-
+	
 	/**
 	 * if this is true the LOD buffers are currently being
 	 * regenerated.
 	 */
 	public boolean generatingBuffers = false;
-
+	
 	/**
 	 * if this is true new LOD buffers have been generated
 	 * and are waiting to be swapped with the drawable buffers
 	 */
 	private boolean switchVbos = false;
-
-
+	
 	/**
 	 * Size of the buffer builders in bytes last time we created them
 	 */
 	public int previousBufferSize = 0;
-
+	
 	/**
 	 * Width of the dimension in regions last time we created the buffers
 	 */
 	public int previousRegionWidth = 0;
-
+	
 	/**
 	 * this is used to prevent multiple threads creating, destroying, or using the buffers at the same time
 	 */
 	private ReentrantLock bufferLock = new ReentrantLock();
-
-	private volatile Object[][] setsToRender;
+	
+	//	private static final int NUMBER_OF_DIRECTION = 4;
+	//in order -x, +x, -z, +z
+	//	private static final int[][] ADJ_VECTOR = new int[][]{{1, 0}, {-1, 0}, {0, 1}, {0, -1}};
+	
+	private volatile Box[][] boxCache;
+	private volatile PosToRenderContainer[][] setsToRender;
 	private volatile RegionPos center;
-
+	
+	/**
+	 * This is the ChunkPos the player was at the last time the buffers were built.
+	 * IE the center of the buffers last time they were built
+	 */
+	private volatile ChunkPos drawableCenterChunkPos = new ChunkPos(0, 0);
+	private volatile ChunkPos buildableCenterChunkPos = new ChunkPos(0, 0);
+	private volatile boolean firstSetup = true;
 	public LodBufferBuilder()
 	{
-
+		
 	}
-
-
+	
 	/**
 	 * Create a thread to asynchronously generate LOD buffers
 	 * centered around the given camera X and Z.
@@ -124,193 +144,202 @@ public class LodBufferBuilder
 	 * swapped with the drawable buffers in the LodRenderer to be drawn.
 	 */
 	public void generateLodBuffersAsync(LodRenderer renderer, LodDimension lodDim,
-	                                    BlockPos playerBlockPos, boolean fullRegen)
+			BlockPos playerBlockPos, boolean fullRegen)
 	{
+		
 		// only allow one generation process to happen at a time
 		if (generatingBuffers)
 			return;
-
+		
 		if (buildableBuffers == null)
 			// setupBuffers hasn't been called yet
 			return;
-
-
+		
 		generatingBuffers = true;
-
-
+		
 		// round the player's block position down to the nearest chunk BlockPos
 		ChunkPos playerChunkPos = new ChunkPos(playerBlockPos);
 		BlockPos playerBlockPosRounded = playerChunkPos.getWorldPosition();
-
-
+		
 		Thread thread = new Thread(() ->
 		{
 			bufferLock.lock();
-
-
+			
 			try
 			{
 				long treeStart = System.currentTimeMillis();
 				long treeEnd = System.currentTimeMillis();
-
+				
 				long startTime = System.currentTimeMillis();
-
-
-				ArrayList<Callable<Boolean>> nodeToRenderThreads = new ArrayList<>(lodDim.regions.length * lodDim.regions.length);
-
+				
+				ArrayList<Callable<Boolean>> nodeToRenderThreads = new ArrayList<>(lodDim.getWidth() * lodDim.getWidth());
+				
+				//setupBuffers(lodDim);
 				startBuffers(fullRegen, lodDim);
-
+				
 				// =====================//
 				//    RENDERING PART    //
 				// =====================//
-
+				
 				RegionPos playerRegionPos = new RegionPos(playerChunkPos);
 				if (center == null)
 					center = playerRegionPos;
-
+				
 				if (setsToRender == null)
-					setsToRender = new Object[lodDim.regions.length][lodDim.regions.length];
-
-				if (setsToRender.length != lodDim.regions.length)
-					setsToRender = new Object[lodDim.regions.length][lodDim.regions.length];
-
-
-				RegionPos worldRegionOffset = new RegionPos(playerRegionPos.x - lodDim.getCenterX(), playerRegionPos.z - lodDim.getCenterZ());
-				if (worldRegionOffset.x != 0 || worldRegionOffset.z != 0)
+					setsToRender = new PosToRenderContainer[lodDim.getWidth()][lodDim.getWidth()];
+				
+				if (setsToRender.length != lodDim.getWidth())
+					setsToRender = new PosToRenderContainer[lodDim.getWidth()][lodDim.getWidth()];
+				
+				if (boxCache == null)
+					boxCache = new Box[lodDim.getWidth()][lodDim.getWidth()];
+				
+				if (boxCache.length != lodDim.getWidth())
+					boxCache = new Box[lodDim.getWidth()][lodDim.getWidth()];
+				
+				// this will be the center of the VBOs once they have been built
+				buildableCenterChunkPos = playerChunkPos;
+				
+				for (int xRegion = 0; xRegion < lodDim.getWidth(); xRegion++)
 				{
-					move(worldRegionOffset, Math.floorDiv(lodDim.getWidth(), 2));
-				}
-
-				for (int xRegion = 0; xRegion < lodDim.regions.length; xRegion++)
-				{
-					for (int zRegion = 0; zRegion < lodDim.regions.length; zRegion++)
+					for (int zRegion = 0; zRegion < lodDim.getWidth(); zRegion++)
 					{
-						if (lodDim.regen[xRegion][zRegion] || fullRegen)
+						if (lodDim.isRegionToRegen(xRegion, zRegion) || fullRegen)
 						{
 							RegionPos regionPos = new RegionPos(
 									xRegion + lodDim.getCenterX() - Math.floorDiv(lodDim.getWidth(), 2),
 									zRegion + lodDim.getCenterZ() - Math.floorDiv(lodDim.getWidth(), 2));
-
+							
 							// local position in the vbo and bufferBuilder arrays
 							BufferBuilder currentBuffer = buildableBuffers[xRegion][zRegion];
-
+							LodRegion region = lodDim.getRegion(regionPos.x, regionPos.z);
+							
+							if (region == null)
+								continue;
+							
 							// make sure the buffers weren't
 							// changed while we were running this method
-							if (currentBuffer == null || (currentBuffer != null && !currentBuffer.building()))
+							if (currentBuffer == null || !currentBuffer.building())
 								return;
-
-							//previous setToRender chache
-							if (setsToRender[xRegion][zRegion] == null)
-							{
-								setsToRender[xRegion][zRegion] = new ConcurrentHashMap<LevelPos, MutableBoolean>();
-							}
-							ConcurrentMap<LevelPos, MutableBoolean> nodeToRender = (ConcurrentMap<LevelPos, MutableBoolean>) setsToRender[xRegion][zRegion];
+							
+							byte minDetail = region.getMinDetailLevel();
+							
+							
+							final int xR = xRegion;
+							final int zR = zRegion;
 							Callable<Boolean> dataToRenderThread = () ->
 							{
+								Map<Direction, long[]> adjData = new HashMap<>();
+								
+								// determine how many LODs we can stack vertically
+								int maxVerticalData = 1;
+								if (LodConfig.CLIENT.worldGenerator.lodQualityMode.get() == VerticalQuality.MULTI_LOD)
+								{
+									maxVerticalData = 256;
+								}
+								
+								// create adjData's arrays
+								for (Direction direction : Box.ADJ_DIRECTIONS)
+								{
+									adjData.put(direction, new long[maxVerticalData]);
+								}
+								
+								//previous setToRender cache
+								if (setsToRender[xR][zR] == null)
+								{
+									setsToRender[xR][zR] = new PosToRenderContainer(minDetail, regionPos.x, regionPos.z);
+								}
+								
+								if (boxCache[xR][zR] == null)
+								{
+									boxCache[xR][zR] = new Box();
+								}
+								PosToRenderContainer posToRender = setsToRender[xR][zR];
+								posToRender.clear(minDetail, regionPos.x, regionPos.z);
+								
 								lodDim.getDataToRender(
-										nodeToRender,
+										posToRender,
 										regionPos,
 										playerBlockPosRounded.getX(),
 										playerBlockPosRounded.getZ());
-
+								
+								byte detailLevel;
 								int posX;
 								int posZ;
-								byte detailLevel;
+								int xAdj;
+								int zAdj;
 								int chunkXdist;
 								int chunkZdist;
-								short gameChunkRenderDistance = (short) (renderer.vanillaRenderedChunks.length/2 - 1);
-								for (LevelPos posToRender : nodeToRender.keySet())
+								
+								// keep a local version so we don't have to worry about indexOutOfBounds Exceptions
+								// if it changes in the LodRenderer while we are working here
+								boolean[][] vanillaRenderedChunks = renderer.vanillaRenderedChunks;
+								short gameChunkRenderDistance = (short) (vanillaRenderedChunks.length / 2 - 1);
+								
+								for (int index = 0; index < posToRender.getNumberOfPos(); index++)
 								{
-									if (!nodeToRender.get(posToRender).booleanValue())
+									detailLevel = posToRender.getNthDetailLevel(index);
+									posX = posToRender.getNthPosX(index);
+									posZ = posToRender.getNthPosZ(index);
+									
+									// skip any chunks that Minecraft is going to render
+									chunkXdist = LevelPosUtil.getChunkPos(detailLevel, posX) - playerChunkPos.x;
+									chunkZdist = LevelPosUtil.getChunkPos(detailLevel, posZ) - playerChunkPos.z;
+									
+									if (gameChunkRenderDistance >= Math.abs(chunkXdist)
+											&& gameChunkRenderDistance >= Math.abs(chunkZdist)
+											&& detailLevel <= LodUtil.CHUNK_DETAIL_LEVEL
+											&& vanillaRenderedChunks[chunkXdist + gameChunkRenderDistance + 1][chunkZdist + gameChunkRenderDistance + 1])
 									{
-										nodeToRender.remove(posToRender);
 										continue;
 									}
-									nodeToRender.get(posToRender).setFalse();
+									
 									// skip any chunks that Minecraft is going to render
-									chunkXdist = posToRender.getChunkPosX() - playerChunkPos.x;
-									chunkZdist = posToRender.getChunkPosZ() - playerChunkPos.z;
-									if(gameChunkRenderDistance >= Math.abs(chunkXdist) && gameChunkRenderDistance >=  Math.abs(chunkZdist) && posToRender.detailLevel <= LodUtil.CHUNK_DETAIL_LEVEL)
+									for (Direction direction : Box.ADJ_DIRECTIONS)
 									{
-										if (renderer.vanillaRenderedChunks[chunkXdist + gameChunkRenderDistance  + 1][chunkZdist + gameChunkRenderDistance + 1])
+										xAdj = posX + direction.getNormal().getX();
+										zAdj = posZ + direction.getNormal().getZ();
+										chunkXdist = LevelPosUtil.getChunkPos(detailLevel, xAdj) - playerChunkPos.x;
+										chunkZdist = LevelPosUtil.getChunkPos(detailLevel, zAdj) - playerChunkPos.z;
+										boolean performFaceCulling = true;
+										if (performFaceCulling
+												&& posToRender.contains(detailLevel, xAdj, zAdj)
+												&& (gameChunkRenderDistance < Math.abs(chunkXdist)
+														|| gameChunkRenderDistance < Math.abs(chunkZdist)
+														|| !vanillaRenderedChunks[chunkXdist + gameChunkRenderDistance + 1][chunkZdist + gameChunkRenderDistance + 1]))
 										{
-											continue;
+											if (!adjData.containsKey(direction) || adjData.get(direction) == null)
+												adjData.put(direction, new long[maxVerticalData]);
+											for (int verticalIndex = 0; verticalIndex < lodDim.getMaxVerticalData(detailLevel, xAdj, zAdj); verticalIndex++)
+											{
+												long data = lodDim.getData(detailLevel, xAdj, zAdj, verticalIndex);
+												adjData.get(direction)[verticalIndex] = data;
+											}
+										} else
+										{
+											adjData.put(direction, null);
 										}
 									}
-									posX = posToRender.posX;
-									posZ = posToRender.posZ;
-									detailLevel = posToRender.detailLevel;
-									// skip any chunks that Minecraft is going to render
-
-
-									try
+									
+									long data;
+									for (int verticalIndex = 0; verticalIndex < lodDim.getMaxVerticalData(detailLevel, posX, posZ); verticalIndex++)
 									{
-										boolean disableFix = false;
-										if (lodDim.doesDataExist(posToRender.clone()))
-										{
-											short[] lodData = lodDim.getData(posToRender);
-											short[][][] adjData = new short[2][2][];
-											/**TODO The following two for are too complex*/
-											for (int x : new int[]{0, 1})
-											{
-												posToRender.changeParameters(detailLevel, posX + x * 2 - 1, posZ);
-												chunkXdist = posToRender.getChunkPosX() - playerChunkPos.x;
-												chunkZdist = posToRender.getChunkPosZ() - playerChunkPos.z;
-												if(gameChunkRenderDistance >= Math.abs(chunkXdist) && gameChunkRenderDistance >=  Math.abs(chunkZdist))
-												{
-													if (!renderer.vanillaRenderedChunks[chunkXdist + gameChunkRenderDistance + 1][chunkZdist + gameChunkRenderDistance + 1]
-													&& (nodeToRender.containsKey(posToRender) || disableFix))
-													{
-														adjData[0][x] = lodDim.getData(posToRender);
-													}
-												}else{
-													if (nodeToRender.containsKey(posToRender) || disableFix)
-													{
-														adjData[0][x] = lodDim.getData(posToRender);
-
-													}
-												}
-											}
-
-											for (int z : new int[]{0, 1})
-											{
-												posToRender.changeParameters(detailLevel, posX, posZ + z * 2 - 1);
-												chunkXdist = posToRender.getChunkPosX() - playerChunkPos.x;
-												chunkZdist = posToRender.getChunkPosZ() - playerChunkPos.z;
-												if(gameChunkRenderDistance >= Math.abs(chunkXdist) && gameChunkRenderDistance >=  Math.abs(chunkZdist))
-												{
-													if (!renderer.vanillaRenderedChunks[chunkXdist + gameChunkRenderDistance + 1][chunkZdist + gameChunkRenderDistance+ 1]
-															    && (nodeToRender.containsKey(posToRender) || disableFix))
-													{
-														adjData[1][z] = lodDim.getData(posToRender);
-													}
-												}else{
-													if (nodeToRender.containsKey(posToRender) || disableFix)
-													{
-														adjData[1][z] = lodDim.getData(posToRender);
-
-													}
-												}
-											}
-											posToRender.changeParameters(detailLevel, posX, posZ);
-
-											LodConfig.CLIENT.graphics.lodTemplate.get().template.addLodToBuffer(currentBuffer, playerBlockPos, lodData, adjData,
-													posToRender, renderer.previousDebugMode);
-										}
-									} catch (ArrayIndexOutOfBoundsException e)
-									{
-										return false;
+										data = lodDim.getData(detailLevel, posX, posZ, verticalIndex);
+										if (DataPointUtil.isItVoid(data) || !DataPointUtil.doesItExist(data))
+											break;
+										LodConfig.CLIENT.graphics.lodTemplate.get().template.addLodToBuffer(currentBuffer, playerBlockPosRounded, data, adjData,
+												detailLevel, posX, posZ, boxCache[xR][zR], renderer.previousDebugMode, renderer.lightMap);
 									}
-
-								}// for pos to in list to render
-
+									
+									
+								} // for pos to in list to render
 								// the thread executed successfully
 								return true;
 							};
 							nodeToRenderThreads.add(dataToRenderThread);
 						}
-					}// region z
-				}// region z
+					} // region z
+				} // region z
 				long renderStart = System.currentTimeMillis();
 				// wait for all threads to finish
 				List<Future<Boolean>> futuresBuffer = bufferBuilderThreads.invokeAll(nodeToRenderThreads);
@@ -325,8 +354,7 @@ public class LodBufferBuilder
 					}
 				}
 				long renderEnd = System.currentTimeMillis();
-
-
+				
 				long endTime = System.currentTimeMillis();
 				@SuppressWarnings("unused")
 				long buildTime = endTime - startTime;
@@ -334,11 +362,11 @@ public class LodBufferBuilder
 				long treeTime = treeEnd - treeStart;
 				@SuppressWarnings("unused")
 				long renderingTime = renderEnd - renderStart;
-
-//				ClientProxy.LOGGER.info("Buffer Build time: " + buildTime + " ms" + '\n' +
-//						                        "Tree cutting time: " + treeTime + " ms" + '\n' +
-//						                        "Rendering time: " + renderingTime + " ms");
-
+				
+				//				ClientProxy.LOGGER.info("Buffer Build time: " + buildTime + " ms" + '\n' +
+				//						                        "Tree cutting time: " + treeTime + " ms" + '\n' +
+				//						                        "Rendering time: " + renderingTime + " ms");
+				
 				// mark that the buildable buffers as ready to swap
 				switchVbos = true;
 			} catch (Exception e)
@@ -350,158 +378,64 @@ public class LodBufferBuilder
 				// regardless of if we successfully created the buffers
 				// we are done generating.
 				generatingBuffers = false;
-
+				
 				// clean up any potentially open resources
 				if (buildableBuffers != null)
 					closeBuffers(fullRegen, lodDim);
-
+				
 				// upload the new buffers
 				uploadBuffers(fullRegen, lodDim);
 				bufferLock.unlock();
 			}
-
+			
 		});
-
+		
 		mainGenThread.execute(thread);
-
-		return;
 	}
-
-
-	/**
-	 * Move the center of this LodDimension and move all owned
-	 * regions over by the given x and z offset. <br><br>
-	 * <p>
-	 * Synchronized to prevent multiple moves happening on top of each other.
-	 */
-	public void move(RegionPos regionOffset, int width)
-	{
-		int xOffset = regionOffset.x;
-		int zOffset = regionOffset.z;
-
-		// if the x or z offset is equal to or greater than
-		// the total size, just delete the current data
-		// and update the centerX and/or centerZ
-		if (Math.abs(xOffset) >= width || Math.abs(zOffset) >= width)
-		{
-			for (int x = 0; x < width; x++)
-			{
-				for (int z = 0; z < width; z++)
-				{
-					setsToRender[x][z] = null;
-				}
-			}
-
-			// update the new center
-			center.x += xOffset;
-			center.z += zOffset;
-
-			return;
-		}
-
-
-		// X
-		if (xOffset > 0)
-		{
-			// move everything over to the left (as the center moves to the right)
-			for (int x = 0; x < width; x++)
-			{
-				for (int z = 0; z < width; z++)
-				{
-					if (x + xOffset < width)
-						setsToRender[x][z] = setsToRender[x + xOffset][z];
-					else
-						setsToRender[x][z] = null;
-				}
-			}
-		} else
-		{
-			// move everything over to the right (as the center moves to the left)
-			for (int x = width - 1; x >= 0; x--)
-			{
-				for (int z = 0; z < width; z++)
-				{
-					if (x + xOffset >= 0)
-						setsToRender[x][z] = setsToRender[x + xOffset][z];
-					else
-						setsToRender[x][z] = null;
-				}
-			}
-		}
-
-
-		// Z
-		if (zOffset > 0)
-		{
-			// move everything up (as the center moves down)
-			for (int x = 0; x < width; x++)
-			{
-				for (int z = 0; z < width; z++)
-				{
-					if (z + zOffset < width)
-						setsToRender[x][z] = setsToRender[x][z + zOffset];
-					else
-						setsToRender[x][z] = null;
-				}
-			}
-		} else
-		{
-			// move everything down (as the center moves up)
-			for (int x = 0; x < width; x++)
-			{
-				for (int z = width - 1; z >= 0; z--)
-				{
-					if (z + zOffset >= 0)
-						setsToRender[x][z] = setsToRender[x][z + zOffset];
-					else
-						setsToRender[x][z] = null;
-				}
-			}
-		}
-
-
-		// update the new center
-		center.x += xOffset;
-		center.z += zOffset;
-	}
-
+	
 	//===============================//
 	// BufferBuilder related methods //
 	//===============================//
-
-
+	
 	/**
 	 * Called from the LodRenderer to create the
 	 * BufferBuilders. <br><br>
 	 * <p>
 	 * May have to wait for the bufferLock to open.
 	 */
-	public void setupBuffers(int numbRegionsWide, int bufferMaxCapacity)
+	public void setupBuffers(LodDimension lodDimension)
 	{
 		bufferLock.lock();
-
+		int numbRegionsWide = lodDimension.getWidth();
+		int bufferMaxCapacity;
+		
+		//if(previousRegionWidth != numbRegionsWide || firstSetup)
+		//{
+		firstSetup = false;
 		previousRegionWidth = numbRegionsWide;
-		previousBufferSize = bufferMaxCapacity;
-
-
 		buildableBuffers = new BufferBuilder[numbRegionsWide][numbRegionsWide];
-
+		
 		buildableVbos = new VertexBuffer[numbRegionsWide][numbRegionsWide];
 		drawableVbos = new VertexBuffer[numbRegionsWide][numbRegionsWide];
-
+		//}
 		for (int x = 0; x < numbRegionsWide; x++)
 		{
 			for (int z = 0; z < numbRegionsWide; z++)
 			{
+				//if(lodDimension.isBufferToSetup(x,z))
+				//{
+				bufferMaxCapacity = lodDimension.getMemoryRequired(x, z, LodConfig.CLIENT.graphics.lodTemplate.get());
 				buildableBuffers[x][z] = new BufferBuilder(bufferMaxCapacity);
+				
 				buildableVbos[x][z] = new VertexBuffer(LodRenderer.LOD_VERTEX_FORMAT);
 				drawableVbos[x][z] = new VertexBuffer(LodRenderer.LOD_VERTEX_FORMAT);
+				//}
 			}
 		}
-
+		
 		bufferLock.unlock();
 	}
-
+	
 	/**
 	 * sets the buffers and Vbos to null, forcing them to be recreated. <br><br>
 	 * <p>
@@ -510,30 +444,31 @@ public class LodBufferBuilder
 	public void destroyBuffers()
 	{
 		bufferLock.lock();
-
+		
 		buildableBuffers = null;
 		buildableVbos = null;
 		drawableVbos = null;
-
+		
 		bufferLock.unlock();
 	}
-
-
+	
 	/**
 	 * Calls begin on each of the buildable BufferBuilders.
 	 */
 	private void startBuffers(boolean fullRegen, LodDimension lodDim)
 	{
 		for (int x = 0; x < buildableBuffers.length; x++)
+		{
 			for (int z = 0; z < buildableBuffers.length; z++)
 			{
-				if (fullRegen || lodDim.regen[x][z])
+				if (fullRegen || lodDim.isRegionToRegen(x, z))
 				{
 					buildableBuffers[x][z].begin(GL11.GL_QUADS, LodRenderer.LOD_VERTEX_FORMAT);
 				}
 			}
+		}
 	}
-
+	
 	/**
 	 * Calls end on each of the buildable BufferBuilders.
 	 */
@@ -541,54 +476,118 @@ public class LodBufferBuilder
 	{
 		for (int x = 0; x < buildableBuffers.length; x++)
 			for (int z = 0; z < buildableBuffers.length; z++)
-
-				if (buildableBuffers[x][z] != null && buildableBuffers[x][z].building() && (fullRegen || lodDim.regen[x][z]))
-				{
+				if (buildableBuffers[x][z] != null && buildableBuffers[x][z].building() && (fullRegen || lodDim.isRegionToRegen(x, z)))
 					buildableBuffers[x][z].end();
-				}
 	}
-
+	
 	/**
-	 * Called from the LodRenderer to create the
-	 * BufferBuilders at the right size.
+	 * Upload all buildableBuffers to the GPU.
 	 */
 	private void uploadBuffers(boolean fullRegen, LodDimension lodDim)
 	{
-		for (int x = 0; x < buildableVbos.length; x++)
+		GlProxy glProxy = GlProxy.getInstance();
+		
+		try
 		{
-			for (int z = 0; z < buildableVbos.length; z++)
+			// make sure we are uploading to a different OpenGL context,
+			// to prevent interference (IE stuttering) with the Minecraft context.
+			glProxy.setGlContext(GlProxyContext.LOD_BUILDER);
+			
+			for (int x = 0; x < buildableVbos.length; x++)
 			{
-				if (fullRegen || lodDim.regen[x][z])
+				for (int z = 0; z < buildableVbos.length; z++)
 				{
-					buildableVbos[x][z].upload(buildableBuffers[x][z]);
-					lodDim.regen[x][z] = false;
+					if (fullRegen || lodDim.isRegionToRegen(x, z))
+					{
+						ByteBuffer builderBuffer = buildableBuffers[x][z].popNextBuffer().getSecond();
+						vboUpload(buildableVbos[x][z], builderBuffer);
+						lodDim.setRegenByArrayIndex(x, z, false);
+					}
 				}
 			}
 		}
+		catch (IllegalStateException e)
+		{
+			ClientProxy.LOGGER.error(LodBufferBuilder.class.getSimpleName() + " - UploadBuffers failed: " + e.getMessage());
+			e.printStackTrace();
+		}
+		finally
+		{
+			// make sure no buffer is bound
+			if (glProxy.getGlContext() == GlProxyContext.LOD_BUILDER)
+			{
+				GL15C.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
+			}
+			
+			// make sure the context is disabled
+			glProxy.setGlContext(GlProxyContext.NONE);
+		}
 	}
-
-
+	
+	/**
+	 * Uploads the uploadBuffer into the VBO in GPU memory.
+	 */
+	private void vboUpload(VertexBuffer vbo, ByteBuffer uploadBuffer)
+	{
+		// this shouldn't happen, but just to be safe
+		if (vbo.id != -1 && GlProxy.getInstance().getGlContext() == GlProxyContext.LOD_BUILDER)
+		{
+			// this is how many points will be rendered
+			vbo.vertexCount = (uploadBuffer.remaining() / vbo.format.getVertexSize());
+			
+			GL15C.glBindBuffer(GL15.GL_ARRAY_BUFFER, vbo.id);
+			
+			// subData only works if the memory is allocated beforehand.
+			GL15C.glBufferData(GL15.GL_ARRAY_BUFFER, uploadBuffer.remaining(), GL15C.GL_DYNAMIC_DRAW);
+			
+			// interestingly bufferSubData renders faster than glMapBuffer
+			// even though OpenGLInsights-AsynchronousBufferTransfers says glMapBuffer
+			// is faster for transferring data. They must put the data in different memory
+			// or something.
+			GL15C.glBufferSubData(GL15.GL_ARRAY_BUFFER, 0, uploadBuffer);
+			
+			GL15C.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
+		}
+	}
+	
 	/**
 	 * Get the newly created VBOs
 	 */
-	public VertexBuffer[][] getVertexBuffers()
+	public VertexBuffersAndOffset getVertexBuffers()
 	{
 		// don't wait for the lock to open
 		// since this is called on the main render thread
 		if (bufferLock.tryLock())
 		{
-			VertexBuffer[][] tmp = drawableVbos;
+			VertexBuffer[][] tmpVbo = drawableVbos;
 			drawableVbos = buildableVbos;
-			buildableVbos = tmp;
-
+			buildableVbos = tmpVbo;
+			
+			drawableCenterChunkPos = buildableCenterChunkPos;
+			
 			// the vbos have been swapped
 			switchVbos = false;
 			bufferLock.unlock();
 		}
-
-		return drawableVbos;
+		
+		return new VertexBuffersAndOffset(drawableVbos, drawableCenterChunkPos);
 	}
-
+	
+	/**
+	 * A simple container to pass multiple objects back in the getVertexBuffers method.
+	 */
+	public class VertexBuffersAndOffset
+	{
+		public VertexBuffer[][] vbos;
+		public ChunkPos drawableCenterChunkPos;
+		
+		public VertexBuffersAndOffset(VertexBuffer[][] newVbos, ChunkPos newDrawableCenterChunkPos)
+		{
+			vbos = newVbos;
+			drawableCenterChunkPos = newDrawableCenterChunkPos;
+		}
+	}
+	
 	/**
 	 * If this is true the buildable near and far
 	 * buffers have been generated and are ready to be
@@ -598,6 +597,5 @@ public class LodBufferBuilder
 	{
 		return switchVbos;
 	}
-
-
+	
 }

src/main/java/com/seibel/lod/builders/lodTemplates/AbstractLodTemplate.java

@@ -17,10 +17,14 @@
  */
 package com.seibel.lod.builders.lodTemplates;
 
+import java.util.Map;
+
 import com.seibel.lod.enums.DebugMode;
-import com.seibel.lod.objects.LevelPos.LevelPos;
+import com.seibel.lod.util.ColorUtil;
 
 import net.minecraft.client.renderer.BufferBuilder;
+import net.minecraft.client.renderer.texture.NativeImage;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 
 /**
@@ -32,22 +36,25 @@ import net.minecraft.util.math.BlockPos;
  */
 public abstract class AbstractLodTemplate
 {
-	public abstract void addLodToBuffer(BufferBuilder buffer, BlockPos playerBlockPos, short[] data, short[][][] adjData,
-	                                    LevelPos levelPos, DebugMode debugging);
+
+
+	public abstract void addLodToBuffer(BufferBuilder buffer, BlockPos bufferCenterBlockPos, long data, Map<Direction, long[]> adjData,
+	                                    byte detailLevel, int posX, int posZ, Box box, DebugMode debugging, NativeImage lightMap);
 
 	/**
 	 * add the given position and color to the buffer
 	 */
 	protected void addPosAndColor(BufferBuilder buffer,
 	                              double x, double y, double z,
-	                              int red, int green, int blue, int alpha)
+	                              int color)
 	{
-		buffer.vertex(x, y, z).color(red, green, blue, alpha).endVertex();
+
+		buffer.vertex(x, y, z).color(ColorUtil.getRed(color), ColorUtil.getGreen(color), ColorUtil.getBlue(color), ColorUtil.getAlpha(color)).endVertex();
 	}
 
 	/**
 	 * Returns in bytes how much buffer memory is required
 	 * for one LOD object
 	 */
-	public abstract int getBufferMemoryForSingleNode();
+	public abstract int getBufferMemoryForSingleNode(int maxVerticalData);
 }

src/main/java/com/seibel/lod/builders/lodTemplates/Box.java

@@ -0,0 +1,448 @@
+package com.seibel.lod.builders.lodTemplates;
+
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Map;
+
+import com.seibel.lod.config.LodConfig;
+import com.seibel.lod.enums.DebugMode;
+import com.seibel.lod.util.ColorUtil;
+import com.seibel.lod.util.DataPointUtil;
+import com.seibel.lod.wrappers.MinecraftWrapper;
+
+import net.minecraft.util.Direction;
+import net.minecraft.util.math.BlockPos;
+
+
+public class Box
+{
+	
+	public static final int OFFSET = 0;
+	public static final int WIDTH = 1;
+	
+	public static final int X = 0;
+	public static final int Y = 1;
+	public static final int Z = 2;
+	
+	public static final int MIN = 0;
+	public static final int MAX = 1;
+	
+	public static final int VOID_FACE = 0;
+	
+	public static final Direction[] DIRECTIONS = new Direction[]{
+			Direction.UP,
+			Direction.DOWN,
+			Direction.WEST,
+			Direction.EAST,
+			Direction.NORTH,
+			Direction.SOUTH};
+	
+	public static final Direction[] ADJ_DIRECTIONS = new Direction[]{
+			Direction.EAST,
+			Direction.WEST,
+			Direction.SOUTH,
+			Direction.NORTH};
+	
+	@SuppressWarnings("serial")
+	public static final Map<Direction, int[][]> DIRECTION_VERTEX_MAP = new HashMap<Direction, int[][]>()
+	{{
+		put(Direction.UP, new int[][]{
+			{0, 1, 0},
+			{0, 1, 1},
+			{1, 1, 1},
+			{1, 1, 0}});
+		put(Direction.DOWN, new int[][]{
+			{1, 0, 0},
+			{1, 0, 1},
+			{0, 0, 1},
+			{0, 0, 0}});
+		put(Direction.EAST, new int[][]{
+			{1, 1, 0},
+			{1, 1, 1},
+			{1, 0, 1},
+			{1, 0, 0}});
+		put(Direction.WEST, new int[][]{
+			{0, 0, 0},
+			{0, 0, 1},
+			{0, 1, 1},
+			{0, 1, 0}});
+		put(Direction.SOUTH, new int[][]{
+			{1, 0, 1},
+			{1, 1, 1},
+			{0, 1, 1},
+			{0, 0, 1}});
+		put(Direction.NORTH, new int[][]{
+			{0, 0, 0},
+			{0, 1, 0},
+			{1, 1, 0},
+			{1, 0, 0}});
+	}};
+	
+	
+	@SuppressWarnings("serial")
+	public static final Map<Direction, int[]> FACE_DIRECTION = new HashMap<Direction, int[]>()
+	{{
+		put(Direction.UP, new int[]{Y, MAX});
+		put(Direction.DOWN, new int[]{Y, MIN});
+		put(Direction.EAST, new int[]{X, MAX});
+		put(Direction.WEST, new int[]{X, MIN});
+		put(Direction.SOUTH, new int[]{Z, MAX});
+		put(Direction.NORTH, new int[]{Z, MIN});
+	}};
+	
+	@SuppressWarnings("serial")
+	public static final Map<Direction, int[]> DIRECTION_NORMAL_MAP = new HashMap<Direction, int[]>()
+	{{
+		put(Direction.UP, new int[]{0, 1, 0});
+		put(Direction.DOWN, new int[]{0, -1, 0});
+		put(Direction.EAST, new int[]{1, 0, 0});
+		put(Direction.WEST, new int[]{-1, 0, 0});
+		put(Direction.SOUTH, new int[]{0, 0, 1});
+		put(Direction.NORTH, new int[]{0, 0, -1});
+	}};
+	
+	public int[][] box;
+	public long[] order;
+	public Map<Direction, int[]> colorMap;
+	public int debugColor;
+	public Map<Direction, int[][]> adjHeightAndDepth;
+	public Map<Direction, boolean[]> culling;
+	
+	@SuppressWarnings("serial")
+	public Box()
+	{
+		box = new int[2][3];
+		//order = new long[DetailDistanceUtil.getMaxVerticalData(0)];
+		colorMap = new HashMap<Direction, int[]>()
+		{{
+			put(Direction.UP, new int[1]);
+			put(Direction.DOWN, new int[1]);
+			put(Direction.EAST, new int[1]);
+			put(Direction.WEST, new int[1]);
+			put(Direction.SOUTH, new int[1]);
+			put(Direction.NORTH, new int[1]);
+		}};
+		adjHeightAndDepth = new HashMap<Direction, int[][]>()
+		{{
+			put(Direction.EAST, new int[32][2]);
+			put(Direction.WEST, new int[32][2]);
+			put(Direction.SOUTH, new int[32][2]);
+			put(Direction.NORTH, new int[32][2]);
+		}};
+		culling = new HashMap<Direction, boolean[]>()
+		{{
+			put(Direction.UP, new boolean[1]);
+			put(Direction.DOWN, new boolean[1]);
+			put(Direction.EAST, new boolean[1]);
+			put(Direction.WEST, new boolean[1]);
+			put(Direction.SOUTH, new boolean[1]);
+			put(Direction.NORTH, new boolean[1]);
+		}};
+	}
+	
+	public void setColor(int color)
+	{
+		this.debugColor = color;
+		for (Direction direction : DIRECTIONS)
+		{
+			colorMap.get(direction)[0] = ColorUtil.applyShade(color, MinecraftWrapper.INSTANCE.getClientWorld().getShade(direction, true));
+		}
+	}
+	
+	public int getColor(Direction direction)
+	{
+		if (LodConfig.CLIENT.debugging.debugMode.get() != DebugMode.SHOW_DETAIL)
+		{
+			return colorMap.get(direction)[0];
+		}
+		else
+		{
+			return ColorUtil.applyShade(debugColor, MinecraftWrapper.INSTANCE.getClientWorld().getShade(direction, true));
+		}
+	}
+	
+	public void reset()
+	{
+		for (int i = 0; i < box.length; i++)
+		{
+			Arrays.fill(box[i], 0);
+		}
+		
+		for (Direction direction : DIRECTIONS)
+		{
+			colorMap.get(direction)[0] = 0;
+		}
+		
+		//Arrays.fill(order, DataPointUtil.EMPTY_DATA);
+		for (Direction direction : ADJ_DIRECTIONS)
+		{
+			if(isCulled(direction)){
+				continue;
+			}
+			for (int i = 0; i < adjHeightAndDepth.get(direction).length; i++)
+			{
+				adjHeightAndDepth.get(direction)[i][0] = VOID_FACE;
+				adjHeightAndDepth.get(direction)[i][1] = VOID_FACE;
+			}
+		}
+	}
+	
+	public void setUpCulling(int cullingDistance, BlockPos playerPos)
+	{
+		for (Direction direction : DIRECTIONS)
+		{
+			if(direction == Direction.DOWN)
+				culling.get(direction)[0] = playerPos.get(direction.getAxis()) > getFacePos(direction) + cullingDistance;
+				else if(direction == Direction.UP)
+					culling.get(direction)[0] = playerPos.get(direction.getAxis()) < getFacePos(direction) - cullingDistance;
+				else if(direction == Direction.WEST)
+					culling.get(direction)[0] = -playerPos.get(direction.getAxis()) > getFacePos(direction) + cullingDistance;
+					else if(direction == Direction.NORTH)
+						culling.get(direction)[0] = -playerPos.get(direction.getAxis()) > getFacePos(direction) + cullingDistance;
+						else if(direction == Direction.EAST)
+							culling.get(direction)[0] = -playerPos.get(direction.getAxis()) < getFacePos(direction) - cullingDistance;
+						else if(direction == Direction.SOUTH)
+							culling.get(direction)[0] = -playerPos.get(direction.getAxis()) < getFacePos(direction) - cullingDistance;
+		}
+	}
+	
+	public boolean isCulled(Direction direction)
+	{
+		return culling.get(direction)[0];
+	}
+	
+	public void setAdjData(Map<Direction, long[]> adjData)
+	{
+		int height;
+		int depth;
+		int minY = getMinY();
+		int maxY = getMaxY();
+		for (Direction direction : ADJ_DIRECTIONS)
+		{
+			/*if(isCulled(direction)){
+				continue;
+			}*/
+			
+			long[] dataPoint = adjData.get(direction);
+			if (dataPoint == null || DataPointUtil.isItVoid(dataPoint[0]))
+			{
+				adjHeightAndDepth.get(direction)[0][0] = maxY;
+				adjHeightAndDepth.get(direction)[0][1] = minY;
+				adjHeightAndDepth.get(direction)[1][0] = VOID_FACE;
+				adjHeightAndDepth.get(direction)[1][1] = VOID_FACE;
+				continue;
+			}
+			
+			//We order the adj list
+			/**TODO remove this if the order is maintained naturally*/
+			/*order[0] = 0;
+			int count = 0;
+			for (int i = 0; i < dataPoint.length; i++)
+			{
+				int j = i - 1;
+				if(DataPointUtil.isItVoid(dataPoint[i]) || !DataPointUtil.doesItExist(dataPoint[i]))
+				{
+					continue;
+				}
+				while (j >= 0 && DataPointUtil.getHeight(order[j]) < DataPointUtil.getHeight(dataPoint[i]))
+				{
+					order[j + 1] = order[j];
+					j = j - 1;
+				}
+				order[j + 1] = dataPoint[i];
+				count++;
+			}*/
+			
+			int i;
+			int faceToDraw = 0;
+			boolean firstFace = true;
+			boolean toFinish = false;
+			boolean allAbove = true;
+			long singleAdjDataPoint;
+			for (i = 0; i < dataPoint.length; i++)
+			{
+				singleAdjDataPoint = dataPoint[i];
+				/*for (i = 0; i < count; i++)
+			{
+				singleAdjDataPoint = order[i];*/
+				
+				if(DataPointUtil.isItVoid(singleAdjDataPoint) || !DataPointUtil.doesItExist(singleAdjDataPoint))
+				{
+					break;
+				}
+				height = DataPointUtil.getHeight(singleAdjDataPoint);
+				depth = DataPointUtil.getDepth(singleAdjDataPoint);
+				
+				if (depth <= maxY) {
+					allAbove = false;
+					if (height < minY)
+					{//the adj data is lower than the current data
+						//we break since all the other data will be lower
+						
+						if (firstFace)
+						{
+							adjHeightAndDepth.get(direction)[0][0] = getMaxY();
+							adjHeightAndDepth.get(direction)[0][1] = getMinY();
+						} else
+						{
+							adjHeightAndDepth.get(direction)[faceToDraw][1] = getMinY();
+						}
+						faceToDraw++;
+						toFinish = false;
+						break;
+					} else if (depth <= minY && height >= maxY)
+					{//the adj data contains the current
+						//we do not draw the face
+						adjHeightAndDepth.get(direction)[0][0] = VOID_FACE;
+						adjHeightAndDepth.get(direction)[0][1] = VOID_FACE;
+						break;
+					} else if (depth <= minY)//&& height < maxY
+					{//the adj data intersect the lower part of the current data
+						//if this is the only face we use the maxY and break
+						//if there was other face we finish the last one and break
+						if (firstFace)
+						{
+							adjHeightAndDepth.get(direction)[0][0] = getMaxY();
+							adjHeightAndDepth.get(direction)[0][1] = height;
+						} else
+						{
+							adjHeightAndDepth.get(direction)[faceToDraw][1] = height;
+						}
+						toFinish = false;
+						faceToDraw++;
+						break;
+					} else if (height >= maxY)//depth > minY &&
+					{//the adj data intersect the higher part of the current data
+						//we start the creation of a new face
+						adjHeightAndDepth.get(direction)[faceToDraw][0] = depth;
+						firstFace = false;
+						toFinish = true;
+					} else {//if (depth > minY && height < maxY)
+						//the adj data is contained in the current data
+						if (firstFace)
+						{
+							adjHeightAndDepth.get(direction)[0][0] = getMaxY();
+						}
+						adjHeightAndDepth.get(direction)[faceToDraw][1] = height;
+						faceToDraw++;
+						adjHeightAndDepth.get(direction)[faceToDraw][0] = depth;
+						firstFace = false;
+						toFinish = true;
+					}
+				}
+				//else {//the adj data is higher than the current data
+				//we continue since there could be some other data that intersect the current
+				//}
+			}
+			if(allAbove){
+				adjHeightAndDepth.get(direction)[0][0] = getMaxY();
+				adjHeightAndDepth.get(direction)[0][1] = getMinY();
+				faceToDraw++;
+			}
+			else if (toFinish)
+			{
+				adjHeightAndDepth.get(direction)[faceToDraw][1] = minY;
+				faceToDraw++;
+			}
+			adjHeightAndDepth.get(direction)[faceToDraw][0] = VOID_FACE;
+			adjHeightAndDepth.get(direction)[faceToDraw][1] = VOID_FACE;
+		}
+	}
+	
+	public void set(int xWidth, int yWidth, int zWidth)
+	{
+		box[WIDTH][X] = xWidth;
+		box[WIDTH][Y] = yWidth;
+		box[WIDTH][Z] = zWidth;
+	}
+	
+	public void move(int xOffset, int yOffset, int zOffset)
+	{
+		box[OFFSET][X] = xOffset;
+		box[OFFSET][Y] = yOffset;
+		box[OFFSET][Z] = zOffset;
+	}
+	
+	
+	
+	public int getFacePos(Direction direction)
+	{
+		return box[OFFSET][FACE_DIRECTION.get(direction)[0]] + box[WIDTH][FACE_DIRECTION.get(direction)[0]] * FACE_DIRECTION.get(direction)[1];
+	}
+	
+	public int getCoord(Direction direction, int axis, int vertexIndex)
+	{
+		return box[OFFSET][axis] + box[WIDTH][axis] * DIRECTION_VERTEX_MAP.get(direction)[vertexIndex][axis];
+	}
+	
+	public int getX(Direction direction, int vertexIndex)
+	{
+		return box[OFFSET][X] + box[WIDTH][X] * DIRECTION_VERTEX_MAP.get(direction)[vertexIndex][X];
+	}
+	
+	public int getY(Direction direction, int vertexIndex)
+	{
+		return box[OFFSET][Y] + box[WIDTH][Y] * DIRECTION_VERTEX_MAP.get(direction)[vertexIndex][Y];
+	}
+	
+	public int getY(Direction direction, int vertexIndex, int adjIndex)
+	{
+		if (direction == Direction.DOWN || direction == Direction.UP)
+		{
+			return box[OFFSET][Y] + box[WIDTH][Y] * DIRECTION_VERTEX_MAP.get(direction)[vertexIndex][Y];
+		} else
+		{
+			return adjHeightAndDepth.get(direction)[adjIndex][1 - DIRECTION_VERTEX_MAP.get(direction)[vertexIndex][Y]];
+		}
+	}
+	
+	public int getZ(Direction direction, int vertexIndex)
+	{
+		return box[OFFSET][Z] + box[WIDTH][Z] * DIRECTION_VERTEX_MAP.get(direction)[vertexIndex][Z];
+	}
+	
+	/**
+	 * returns true if the given direction should be rendered.
+	 * TODO what does adjIndex represent?
+	 */
+	public boolean shouldRenderFace(Direction direction, int adjIndex)
+	{
+		if (direction == Direction.UP || direction == Direction.DOWN)
+		{
+			return adjIndex == 0;
+		}
+		return !(adjHeightAndDepth.get(direction)[adjIndex][0] == VOID_FACE && adjHeightAndDepth.get(direction)[adjIndex][1] == VOID_FACE);
+		
+	}
+	
+	public int getMinX()
+	{
+		return box[OFFSET][X];
+	}
+	
+	public int getMaxX()
+	{
+		return box[OFFSET][X] + box[WIDTH][X];
+	}
+	
+	public int getMinY()
+	{
+		return box[OFFSET][Y];
+	}
+	
+	public int getMaxY()
+	{
+		return box[OFFSET][Y] + box[WIDTH][Y];
+	}
+	
+	public int getMinZ()
+	{
+		return box[OFFSET][Z];
+	}
+	
+	public int getMaxZ()
+	{
+		return box[OFFSET][Z] + box[WIDTH][Z];
+	}
+	
+}

src/main/java/com/seibel/lod/builders/lodTemplates/CubicLodTemplate.java

@@ -17,18 +17,15 @@
  */
 package com.seibel.lod.builders.lodTemplates;
 
-import com.seibel.lod.config.LodConfig;
+import java.util.Map;
+
 import com.seibel.lod.enums.DebugMode;
-import com.seibel.lod.enums.ShadingMode;
-import com.seibel.lod.objects.DataPoint;
-import com.seibel.lod.objects.LevelPos.LevelPos;
-import com.seibel.lod.util.ColorUtil;
+import com.seibel.lod.util.DataPointUtil;
 import com.seibel.lod.util.LodUtil;
 
-import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.BufferBuilder;
+import net.minecraft.client.renderer.texture.NativeImage;
 import net.minecraft.util.Direction;
-import net.minecraft.util.math.AxisAlignedBB;
 import net.minecraft.util.math.BlockPos;
 
 /**
@@ -39,7 +36,6 @@ import net.minecraft.util.math.BlockPos;
  */
 public class CubicLodTemplate extends AbstractLodTemplate
 {
-	private final int CULL_OFFSET = 16;
 	
 	public CubicLodTemplate()
 	{
@@ -47,40 +43,41 @@ public class CubicLodTemplate extends AbstractLodTemplate
 	}
 	
 	@Override
-	public void addLodToBuffer(BufferBuilder buffer, BlockPos playerBlockPos, short[] data, short[][][] adjData,
-			LevelPos levelPos, DebugMode debugging)
+	public void addLodToBuffer(BufferBuilder buffer, BlockPos bufferCenterBlockPos, long data, Map<Direction, long[]> adjData,
+			byte detailLevel, int posX, int posZ, Box box, DebugMode debugging, NativeImage lightMap)
 	{
-		AxisAlignedBB bbox;
+		int width = 1 << detailLevel;
 		
-		int width = 1 << levelPos.detailLevel;
-		
-		// add each LOD for the detail level
-		bbox = generateBoundingBox(
-				DataPoint.getHeight(data),
-				DataPoint.getDepth(data),
-				width,
-				levelPos.posX * width,
-				0,
-				levelPos.posZ * width);
-		
-		int color = DataPoint.getColor(data);
+		int color = DataPointUtil.getLightColor(data, lightMap);
 		if (debugging != DebugMode.OFF)
 		{
-			color = LodUtil.DEBUG_DETAIL_LEVEL_COLORS[levelPos.detailLevel].getRGB();
+			color = LodUtil.DEBUG_DETAIL_LEVEL_COLORS[detailLevel].getRGB();
 		}
 		
-		if (bbox != null)
+		generateBoundingBox(
+				box,
+				DataPointUtil.getHeight(data),
+				DataPointUtil.getDepth(data),
+				width,
+				posX * width,
+				0,
+				posZ * width,
+				bufferCenterBlockPos,
+				adjData,
+				color);
+		
+		if (box != null)
 		{
-			addBoundingBoxToBuffer(buffer, bbox, color, playerBlockPos, adjData);
+			addBoundingBoxToBuffer(buffer, box);
 		}
 		
 	}
 	
-	private AxisAlignedBB generateBoundingBox(int height, int depth, int width, double xOffset, double yOffset, double zOffset)
+	private void generateBoundingBox(Box box, int height, int depth, int width, double xOffset, double yOffset, double zOffset, BlockPos bufferCenterBlockPos, Map<Direction, long[]> adjData, int color)
 	{
 		// don't add an LOD if it is empty
 		if (height == -1 && depth == -1)
-			return null;
+			return;
 		
 		if (depth == height)
 		{
@@ -89,240 +86,44 @@ public class CubicLodTemplate extends AbstractLodTemplate
 			height++;
 		}
 		
-		return new AxisAlignedBB(0, depth, 0, width, height, width).move(xOffset, yOffset, zOffset);
+		// offset the AABB by it's x/z position in the world since
+		// it uses doubles to specify its location, unlike the model view matrix
+		// which only uses floats
+		double x = -bufferCenterBlockPos.getX();
+		double z = -bufferCenterBlockPos.getZ();
+		box.reset();
+		box.setColor(color);
+		box.set(width, height - depth, width);
+		box.move((int) (xOffset + x), (int) (depth + yOffset), (int) (zOffset + z));
+		box.setUpCulling(32, bufferCenterBlockPos);
+		box.setAdjData(adjData);
 	}
 	
-	private void addBoundingBoxToBuffer(BufferBuilder buffer, AxisAlignedBB bb, int c, BlockPos playerBlockPos, short[][][] adjData)
+	private void addBoundingBoxToBuffer(BufferBuilder buffer, Box box)
 	{
-		int topColor = c;
-		int bottomColor = c;
-		int northColor = c;
-		int southColor = c;
-		int westColor = c;
-		int eastColor = c;
-		
-		// darken the bottom and side colors if requested
-		if (LodConfig.CLIENT.graphics.shadingMode.get() == ShadingMode.DARKEN_SIDES)
+		for (Direction direction : Box.DIRECTIONS)
 		{
-			// the side colors are different because
-			// when using fast lighting in Minecraft the north/south
-			// and east/west sides are different in a similar way
-			/**TODO OPTIMIZE THIS STEP*/
-			Minecraft mc = Minecraft.getInstance();
-			topColor = ColorUtil.applyShade(c, mc.level.getShade(Direction.UP, true));
-			bottomColor = ColorUtil.applyShade(c, mc.level.getShade(Direction.DOWN, true));
-			northColor = ColorUtil.applyShade(c, mc.level.getShade(Direction.NORTH, true));
-			southColor = ColorUtil.applyShade(c, mc.level.getShade(Direction.SOUTH, true));
-			westColor = ColorUtil.applyShade(c, mc.level.getShade(Direction.WEST, true));
-			eastColor = ColorUtil.applyShade(c, mc.level.getShade(Direction.EAST, true));
-		}
-		
-		// apply the user specified saturation and brightness
-		float saturationMultiplier = LodConfig.CLIENT.graphics.saturationMultiplier.get().floatValue();
-		float brightnessMultiplier = LodConfig.CLIENT.graphics.brightnessMultiplier.get().floatValue();
-		
-		if (saturationMultiplier != 1 || brightnessMultiplier != 1)
-		{
-			topColor = ColorUtil.applySaturationAndBrightnessMultipliers(topColor, saturationMultiplier, brightnessMultiplier);
-			bottomColor = ColorUtil.applySaturationAndBrightnessMultipliers(bottomColor, saturationMultiplier, brightnessMultiplier);
-			northColor = ColorUtil.applySaturationAndBrightnessMultipliers(northColor, saturationMultiplier, brightnessMultiplier);
-			southColor = ColorUtil.applySaturationAndBrightnessMultipliers(southColor, saturationMultiplier, brightnessMultiplier);
-			westColor = ColorUtil.applySaturationAndBrightnessMultipliers(westColor, saturationMultiplier, brightnessMultiplier);
-			eastColor = ColorUtil.applySaturationAndBrightnessMultipliers(eastColor, saturationMultiplier, brightnessMultiplier);
-		}
-		int minY;
-		int maxY;
-		short[] data;
-		
-		int red;
-		int green;
-		int blue;
-		int alpha;
-		boolean disableCulling = true;
-		/**TODO make all of this more automatic if possible*/
-		if (playerBlockPos.getY() > bb.maxY - CULL_OFFSET || disableCulling)
-		{
-			red = ColorUtil.getRed(topColor);
-			green = ColorUtil.getGreen(topColor);
-			blue = ColorUtil.getBlue(topColor);
-			alpha = ColorUtil.getAlpha(topColor);
-			// top (facing up)
-			addPosAndColor(buffer, bb.minX, bb.maxY, bb.minZ, red, green, blue, alpha);
-			addPosAndColor(buffer, bb.minX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-			addPosAndColor(buffer, bb.maxX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-			addPosAndColor(buffer, bb.maxX, bb.maxY, bb.minZ, red, green, blue, alpha);
-		}
-		if (playerBlockPos.getY() < bb.minY + CULL_OFFSET || disableCulling)
-		{
-			red = ColorUtil.getRed(bottomColor);
-			green = ColorUtil.getGreen(bottomColor);
-			blue = ColorUtil.getBlue(bottomColor);
-			alpha = ColorUtil.getAlpha(bottomColor);
-			// bottom (facing down)
-			addPosAndColor(buffer, bb.maxX, bb.minY, bb.minZ, red, green, blue, alpha);
-			addPosAndColor(buffer, bb.maxX, bb.minY, bb.maxZ, red, green, blue, alpha);
-			addPosAndColor(buffer, bb.minX, bb.minY, bb.maxZ, red, green, blue, alpha);
-			addPosAndColor(buffer, bb.minX, bb.minY, bb.minZ, red, green, blue, alpha);
-		}
-		
-		if (playerBlockPos.getZ() > bb.minZ - CULL_OFFSET || disableCulling)
-		{
-			red = ColorUtil.getRed(northColor);
-			green = ColorUtil.getGreen(northColor);
-			blue = ColorUtil.getBlue(northColor);
-			alpha = ColorUtil.getAlpha(northColor);
-			// south (facing -Z)
-			data = adjData[1][1];
-			if (data == null)
+			int adjIndex = 0;
+			while (box.shouldRenderFace(direction, adjIndex))
 			{
-				addPosAndColor(buffer, bb.maxX, bb.minY, bb.maxZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.maxX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.minX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.minX, bb.minY, bb.maxZ, red, green, blue, alpha);
-			}
-			else
-			{
-				maxY = DataPoint.getHeight(data);
-				if (maxY < bb.maxY)
+				for (int vertexIndex = 0; vertexIndex < 4; vertexIndex++)
 				{
-					minY = (int) Math.max(maxY, bb.minY);
-					addPosAndColor(buffer, bb.maxX, minY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, minY, bb.maxZ, red, green, blue, alpha);
-				}
-				minY = DataPoint.getDepth(data);
-				if (minY > bb.minY)
-				{
-					maxY = (int) Math.min(minY, bb.maxY);
-					addPosAndColor(buffer, bb.maxX, bb.minY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, maxY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, maxY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, bb.minY, bb.maxZ, red, green, blue, alpha);
-				}
-			}
-		}
-		
-		if (playerBlockPos.getZ() < bb.maxZ + CULL_OFFSET || disableCulling)
-		{
-			red = ColorUtil.getRed(southColor);
-			green = ColorUtil.getGreen(southColor);
-			blue = ColorUtil.getBlue(southColor);
-			alpha = ColorUtil.getAlpha(southColor);
-			data = adjData[1][0];
-			// north (facing +Z)
-			if (data == null)
-			{
-				addPosAndColor(buffer, bb.minX, bb.minY, bb.minZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.minX, bb.maxY, bb.minZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.maxX, bb.maxY, bb.minZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.maxX, bb.minY, bb.minZ, red, green, blue, alpha);
-			}
-			else
-			{
-				maxY = DataPoint.getHeight(data);
-				if (maxY < bb.maxY)
-				{
-					minY = (int) Math.max(maxY, bb.minY);
-					addPosAndColor(buffer, bb.minX, minY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, bb.maxY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, bb.maxY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, minY, bb.minZ, red, green, blue, alpha);
-				}
-				minY = DataPoint.getDepth(data);
-				if (minY > bb.minY)
-				{
-					maxY = (int) Math.min(minY, bb.maxY);
-					addPosAndColor(buffer, bb.minX, bb.minY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, maxY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, maxY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, bb.minY, bb.minZ, red, green, blue, alpha);
-				}
-			}
-		}
-		
-		if (playerBlockPos.getX() < bb.maxX + CULL_OFFSET || disableCulling)
-		{
-			red = ColorUtil.getRed(westColor);
-			green = ColorUtil.getGreen(westColor);
-			blue = ColorUtil.getBlue(westColor);
-			alpha = ColorUtil.getAlpha(westColor);
-			// west (facing -X)
-			data = adjData[0][0];
-			if (data == null)
-			{
-				addPosAndColor(buffer, bb.minX, bb.minY, bb.minZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.minX, bb.minY, bb.maxZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.minX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.minX, bb.maxY, bb.minZ, red, green, blue, alpha);
-			}
-			else
-			{
-				maxY = DataPoint.getHeight(data);
-				if (maxY < bb.maxY)
-				{
-					minY = (int) Math.max(maxY, bb.minY);
-					addPosAndColor(buffer, bb.minX, minY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, minY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, bb.maxY, bb.minZ, red, green, blue, alpha);
-				}
-				minY = DataPoint.getDepth(data);
-				if (minY > bb.minY)
-				{
-					maxY = (int) Math.min(minY, bb.maxY);
-					addPosAndColor(buffer, bb.minX, bb.minY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, bb.minY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, maxY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.minX, maxY, bb.minZ, red, green, blue, alpha);
-				}
-			}
-		}
-		
-		if (playerBlockPos.getX() > bb.minX - CULL_OFFSET || disableCulling)
-		{
-			red = ColorUtil.getRed(eastColor);
-			green = ColorUtil.getGreen(eastColor);
-			blue = ColorUtil.getBlue(eastColor);
-			alpha = ColorUtil.getAlpha(eastColor);
-			// east (facing +X)
-			data = adjData[0][1];
-			if (data == null)
-			{
-				addPosAndColor(buffer, bb.maxX, bb.maxY, bb.minZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.maxX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.maxX, bb.minY, bb.maxZ, red, green, blue, alpha);
-				addPosAndColor(buffer, bb.maxX, bb.minY, bb.minZ, red, green, blue, alpha);
-			}
-			else
-			{
-				maxY = DataPoint.getHeight(data);
-				if (maxY < bb.maxY)
-				{
-					minY = (int) Math.max(maxY, bb.minY);
-					addPosAndColor(buffer, bb.maxX, bb.maxY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, bb.maxY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, minY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, minY, bb.minZ, red, green, blue, alpha);
-				}
-				minY = DataPoint.getDepth(data);
-				if (minY > bb.minY)
-				{
-					maxY = (int) Math.min(minY, bb.maxY);
-					addPosAndColor(buffer, bb.maxX, maxY, bb.minZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, maxY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, bb.minY, bb.maxZ, red, green, blue, alpha);
-					addPosAndColor(buffer, bb.maxX, bb.minY, bb.minZ, red, green, blue, alpha);
+					addPosAndColor(buffer,
+							box.getX(direction, vertexIndex),
+							box.getY(direction, vertexIndex, adjIndex),
+							box.getZ(direction, vertexIndex),
+							box.getColor(direction));
 				}
+				adjIndex++;
 			}
 		}
 	}
 	
 	@Override
-	public int getBufferMemoryForSingleNode()
+	public int getBufferMemoryForSingleNode(int maxVerticalData)
 	{
-		// (sidesOnACube * pointsInASquare * (positionPoints + colorPoints)))
-		return (6 * 4 * (3 + 4));
+		// TODO, someone please comment what these magic numbers mean
+		return 2 * 4 * (3 + 4) + 4 * 4 * Math.max((maxVerticalData+1)/2,1) * (3 + 4);
 	}
 	
 }

src/main/java/com/seibel/lod/builders/lodTemplates/DynamicLodTemplate.java

@@ -17,10 +17,14 @@
  */
 package com.seibel.lod.builders.lodTemplates;
 
+import java.util.Map;
+
 import com.seibel.lod.enums.DebugMode;
-import com.seibel.lod.objects.LevelPos.LevelPos;
+import com.seibel.lod.proxy.ClientProxy;
 
 import net.minecraft.client.renderer.BufferBuilder;
+import net.minecraft.client.renderer.texture.NativeImage;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 
 /**
@@ -35,14 +39,14 @@ import net.minecraft.util.math.BlockPos;
 public class DynamicLodTemplate extends AbstractLodTemplate
 {
 	@Override
-	public void addLodToBuffer(BufferBuilder buffer, BlockPos playerBlockPos, short[] data, short[][][] adjData,
-	                           LevelPos levelPos, DebugMode debugging)
+	public void addLodToBuffer(BufferBuilder buffer, BlockPos bufferCenterBlockPos, long data, Map<Direction, long[]> adjData,
+	                           byte detailLevel, int posX, int posZ, Box box, DebugMode debugging, NativeImage lightMap)
 	{
-		System.err.println("DynamicLodTemplate not implemented!");
+		ClientProxy.LOGGER.error(DynamicLodTemplate.class.getSimpleName() + " is not implemented!");
 	}
 
 	@Override
-	public int getBufferMemoryForSingleNode()
+	public int getBufferMemoryForSingleNode(int maxVerticalData)
 	{
 		return 0;
 	}

src/main/java/com/seibel/lod/builders/lodTemplates/TriangularLodTemplate.java

@@ -17,10 +17,14 @@
  */
 package com.seibel.lod.builders.lodTemplates;
 
+import java.util.Map;
+
 import com.seibel.lod.enums.DebugMode;
-import com.seibel.lod.objects.LevelPos.LevelPos;
+import com.seibel.lod.proxy.ClientProxy;
 
 import net.minecraft.client.renderer.BufferBuilder;
+import net.minecraft.client.renderer.texture.NativeImage;
+import net.minecraft.util.Direction;
 import net.minecraft.util.math.BlockPos;
 
 /**
@@ -33,14 +37,14 @@ import net.minecraft.util.math.BlockPos;
 public class TriangularLodTemplate extends AbstractLodTemplate
 {
 	@Override
-	public void addLodToBuffer(BufferBuilder buffer, BlockPos playerBlockPos, short[] data, short[][][] adjData,
-	                           LevelPos levelPos, DebugMode debugging)
+	public void addLodToBuffer(BufferBuilder buffer, BlockPos bufferCenterBlockPos, long data, Map<Direction, long[]> adjData,
+	                           byte detailLevel, int posX, int posZ, Box box, DebugMode debugging, NativeImage lightMap)
 	{
-		System.err.println("DynamicLodTemplate not implemented!");
+		ClientProxy.LOGGER.error(DynamicLodTemplate.class.getSimpleName() + " is not implemented!");
 	}
 
 	@Override
-	public int getBufferMemoryForSingleNode()
+	public int getBufferMemoryForSingleNode(int maxVerticalData)
 	{
 		return 0;
 	}

src/main/java/com/seibel/lod/builders/worldGeneration/LodNodeGenWorker.java

@@ -26,13 +26,13 @@ import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.function.Supplier;
 
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
 import com.seibel.lod.builders.LodBuilder;
 import com.seibel.lod.builders.LodBuilderConfig;
 import com.seibel.lod.config.LodConfig;
 import com.seibel.lod.enums.DistanceGenerationMode;
 import com.seibel.lod.objects.LodDimension;
 import com.seibel.lod.proxy.ClientProxy;
-import com.seibel.lod.render.LodRenderer;
 import com.seibel.lod.util.LodThreadFactory;
 import com.seibel.lod.util.LodUtil;
 
@@ -69,11 +69,12 @@ import net.minecraftforge.common.WorldWorkerManager.IWorker;
  * This is used to generate a LodChunk at a given ChunkPos.
  *
  * @author James Seibel
- * @version 8-26-2021
+ * @version 9-7-2021
  */
 public class LodNodeGenWorker implements IWorker
 {
-	public static ExecutorService genThreads = Executors.newFixedThreadPool(LodConfig.CLIENT.threading.numberOfWorldGenerationThreads.get(), new LodThreadFactory(LodNodeGenWorker.class.getSimpleName()));
+	public static ExecutorService genThreads = Executors.newFixedThreadPool(LodConfig.CLIENT.threading.numberOfWorldGenerationThreads.get(), new ThreadFactoryBuilder().setNameFormat("Gen-Worker-Thread-%d").build());
+	//public static ExecutorService genThreads = Executors.newFixedThreadPool(LodConfig.CLIENT.threading.numberOfWorldGenerationThreads.get(), new LodThreadFactory(LodNodeGenWorker.class.getSimpleName()));
 
 	private boolean threadStarted = false;
 	private LodChunkGenThread thread;
@@ -86,7 +87,7 @@ public class LodNodeGenWorker implements IWorker
 
 
 
-	public LodNodeGenWorker(ChunkPos newPos, DistanceGenerationMode newGenerationMode, LodRenderer newLodRenderer,
+	public LodNodeGenWorker(ChunkPos newPos, DistanceGenerationMode newGenerationMode,
 							LodBuilder newLodBuilder,
 							LodDimension newLodDimension, ServerWorld newServerWorld)
 	{
@@ -94,9 +95,6 @@ public class LodNodeGenWorker implements IWorker
 		if (newPos == null)
 			throw new IllegalArgumentException("LodChunkGenWorker must have a non-null ChunkPos");
 
-		if (newLodRenderer == null)
-			throw new IllegalArgumentException("LodChunkGenWorker must have a non-null LodRenderer");
-
 		if (newLodBuilder == null)
 			throw new IllegalArgumentException("LodChunkGenThread requires a non-null LodChunkBuilder");
 
@@ -108,11 +106,15 @@ public class LodNodeGenWorker implements IWorker
 
 
 
-		thread = new LodChunkGenThread(newPos, newGenerationMode, newLodRenderer,
+		thread = new LodChunkGenThread(newPos, newGenerationMode,
 				newLodBuilder,
 				newLodDimension, newServerWorld);
 	}
 
+	public static void resetGenerator(){
+		ExecutorService genThreads = Executors.newFixedThreadPool(LodConfig.CLIENT.threading.numberOfWorldGenerationThreads.get(), new ThreadFactoryBuilder().setNameFormat("Gen-Worker-Thread-%d").build());
+	}
+
 	@Override
 	public boolean doWork()
 	{
@@ -130,7 +132,7 @@ public class LodNodeGenWorker implements IWorker
 				// Every other method can
 				// be done asynchronously
 				Thread newThread = new Thread(thread);
-				newThread.setPriority(3);
+				newThread.setPriority(5);
 				genThreads.execute(newThread);
 			}
 
@@ -159,17 +161,15 @@ public class LodNodeGenWorker implements IWorker
 		public final LodDimension lodDim;
 		public final DistanceGenerationMode generationMode;
 		public final LodBuilder lodBuilder;
-		public final LodRenderer lodRenderer;
 
 		private ChunkPos pos;
 
-		public LodChunkGenThread(ChunkPos newPos, DistanceGenerationMode newGenerationMode, LodRenderer newLodRenderer,
+		public LodChunkGenThread(ChunkPos newPos, DistanceGenerationMode newGenerationMode,
 								 LodBuilder newLodBuilder,
 								 LodDimension newLodDimension, ServerWorld newServerWorld)
 		{
 			pos = newPos;
 			generationMode = newGenerationMode;
-			lodRenderer = newLodRenderer;
 			lodBuilder = newLodBuilder;
 			lodDim = newLodDimension;
 			serverWorld = newServerWorld;
@@ -228,9 +228,9 @@ public class LodNodeGenWorker implements IWorker
 //					System.out.println(endTime - startTime);
 
 				}// if in range
-				else{
+				//else{
 
-				}
+				//}
 			}
 			catch (Exception e)
 			{
@@ -588,16 +588,11 @@ public class LodNodeGenWorker implements IWorker
 		private BlockClusterFeatureConfig cloneBlockClusterFeatureConfig(BlockClusterFeatureConfig config)
 		{
 			WeightedBlockStateProvider provider = new WeightedBlockStateProvider();
-			for(Entry<BlockState> state : ((WeightedBlockStateProvider) config.stateProvider).weightedList.entries)
-				provider.weightedList.entries.add(state);
+			provider.weightedList.entries.addAll(((WeightedBlockStateProvider) config.stateProvider).weightedList.entries);
 
-			HashSet<Block> whitelist = new HashSet<>();
-			for(Block block : config.whitelist)
-				whitelist.add(block);
+			HashSet<Block> whitelist = new HashSet<>(config.whitelist);
 
-			HashSet<BlockState> blacklist = new HashSet<>();
-			for(BlockState state : config.blacklist)
-				blacklist.add(state);
+			HashSet<BlockState> blacklist = new HashSet<>(config.blacklist);
 
 
 			BlockClusterFeatureConfig.Builder builder = new BlockClusterFeatureConfig.Builder(provider, config.blockPlacer);

src/main/java/com/seibel/lod/builders/worldGeneration/LodWorldGenerator.java

@@ -1,33 +1,23 @@
 package com.seibel.lod.builders.worldGeneration;
 
-import java.util.ArrayList;
-import java.util.Comparator;
 import java.util.HashSet;
-import java.util.List;
 import java.util.Set;
-import java.util.SortedSet;
-import java.util.TreeSet;
-import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import org.apache.commons.lang3.mutable.MutableBoolean;
-
-import com.seibel.lod.builders.GenerationRequest;
 import com.seibel.lod.builders.LodBuilder;
 import com.seibel.lod.config.LodConfig;
 import com.seibel.lod.enums.DistanceGenerationMode;
+import com.seibel.lod.util.LevelPosUtil;
 import com.seibel.lod.objects.LodDimension;
-import com.seibel.lod.objects.LevelPos.LevelPos;
+import com.seibel.lod.objects.PosToGenerateContainer;
 import com.seibel.lod.render.LodRenderer;
 import com.seibel.lod.util.DetailDistanceUtil;
 import com.seibel.lod.util.LodThreadFactory;
 import com.seibel.lod.util.LodUtil;
+import com.seibel.lod.wrappers.MinecraftWrapper;
 
-import net.minecraft.client.Minecraft;
-import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
 import net.minecraft.world.server.ServerWorld;
 import net.minecraftforge.common.WorldWorkerManager;
@@ -40,7 +30,7 @@ import net.minecraftforge.common.WorldWorkerManager;
  */
 public class LodWorldGenerator
 {
-	public Minecraft mc = Minecraft.getInstance();
+	public MinecraftWrapper mc = MinecraftWrapper.INSTANCE;
 
 	/**
 	 * This holds the thread used to generate new LODs off the main thread.
@@ -75,10 +65,6 @@ public class LodWorldGenerator
 	 */
 	public static final LodWorldGenerator INSTANCE = new LodWorldGenerator();
 
-	public volatile ConcurrentMap<LevelPos, MutableBoolean> nodeToGenerate;
-
-	SortedSet<LevelPos> nodeToGenerateListNear;
-	SortedSet<LevelPos> nodeToGenerateListFar;
 
 	private LodWorldGenerator()
 	{
@@ -108,14 +94,9 @@ public class LodWorldGenerator
 				try
 				{
 					// round the player's block position down to the nearest chunk BlockPos
-					ChunkPos playerChunkPos = new ChunkPos(mc.player.blockPosition());
-					BlockPos playerBlockPosRounded = playerChunkPos.getWorldPosition();
+					int playerPosX = mc.getPlayer().blockPosition().getX();
+					int playerPosZ = mc.getPlayer().blockPosition().getZ();
 
-					// used when determining which chunks are closer when queuing distance
-					// generation
-					int minChunkDist = Integer.MAX_VALUE;
-
-					ArrayList<GenerationRequest> chunksToGen = new ArrayList<>(maxChunkGenRequests);
 					// if we don't have a full number of chunks to generate in chunksToGen
 					// we can top it off from this reserve
 
@@ -123,126 +104,81 @@ public class LodWorldGenerator
 					//=======================================//
 					// create the generation Request objects //
 					//=======================================//
-					List<GenerationRequest> generationRequestList = new ArrayList<>(maxChunkGenRequests);
-
-					if (nodeToGenerate == null)
-						nodeToGenerate = new ConcurrentHashMap<>();
-
-
-					Comparator<LevelPos> posNearComparator = LevelPos.getPosComparator(
-							playerBlockPosRounded.getX(),
-							playerBlockPosRounded.getZ());
-					Comparator<LevelPos> posFarComparator = LevelPos.getPosAndDetailComparator(
-							playerBlockPosRounded.getX(),
-							playerBlockPosRounded.getZ());
-					nodeToGenerateListNear = new TreeSet(posNearComparator);
-					nodeToGenerateListFar = new TreeSet(posFarComparator);
-
-					lodDim.getDataToGenerate(
-							nodeToGenerate,
-							playerBlockPosRounded.getX(),
-							playerBlockPosRounded.getZ());
 
+					ServerWorld serverWorld = LodUtil.getServerWorldFromDimension(lodDim.dimension);
 
+					PosToGenerateContainer posToGenerate = lodDim.getDataToGenerate(
+							maxChunkGenRequests,
+							playerPosX,
+							playerPosZ);
+					//System.out.println(posToGenerate);
 					//here we prepare two sorted set
 					//the first contains the near pos to render
 					//the second contain the far pos to render
-					byte farDetail = (byte) 7;
-					for (LevelPos pos : nodeToGenerate.keySet())
-					{
-						if (!nodeToGenerate.get(pos).booleanValue())
-						{
-							nodeToGenerate.remove(pos);
-						} else
-						{
-							if (pos.detailLevel > farDetail){
-								nodeToGenerateListFar.add(pos);
-							}
-							nodeToGenerateListNear.add(pos);
-							nodeToGenerate.get(pos).setFalse();
-						}
-					}
+					byte detailLevel;
+					int posX;
+					int posZ;
+					boolean nearOrFar = true;
+					boolean stopSwitch = false;
+					int near = 0;
+					int far = 0;
 
-					int maxDistance;
-					byte circle;
-					LevelPos levelPos;
-					int requesting = maxChunkGenRequests;
-					int requestingFar = maxChunkGenRequests / 4;
-					while (requesting > 0 && !nodeToGenerateListNear.isEmpty())
+					for (int index = 0; index < posToGenerate.getNumberOfPos(); index++)
 					{
-						levelPos = nodeToGenerateListNear.first();
-						//.out.println(levelPos);
-						nodeToGenerate.remove(levelPos);
-						nodeToGenerateListNear.remove(levelPos);
-						nodeToGenerateListFar.remove(levelPos);
-
-						//maxDistance = levelPos.maxDistance(
-						//		playerBlockPosRounded.getX(),
-						//		playerBlockPosRounded.getZ());
-						//circle = DetailDistanceUtil.getDistanceGenerationInverse(maxDistance);
-						generationRequestList.add(new GenerationRequest(levelPos, DetailDistanceUtil.getDistanceGenerationMode(levelPos.detailLevel)));
-						requesting--;
-						if (requestingFar > 0 && !nodeToGenerateListFar.isEmpty())
+						if (posToGenerate.getNthDetail(near, true) != 0 && near < posToGenerate.getNumberOfNearPos())
 						{
-							levelPos = nodeToGenerateListFar.first();
-							nodeToGenerate.remove(levelPos);
-							nodeToGenerateListNear.remove(levelPos);
-							nodeToGenerateListFar.remove(levelPos);
-							if (levelPos.detailLevel >= farDetail)
+							detailLevel = (byte) (posToGenerate.getNthDetail(near, true) - 1);
+							posX = posToGenerate.getNthPosX(near, true);
+							posZ = posToGenerate.getNthPosZ(near, true);
+							near++;
+							ChunkPos chunkPos = new ChunkPos(LevelPosUtil.getChunkPos(detailLevel, posX), LevelPosUtil.getChunkPos(detailLevel, posZ));
+							if (numberOfChunksWaitingToGenerate.get() < maxChunkGenRequests)
 							{
-								//maxDistance = levelPos.maxDistance(	playerBlockPosRounded.getX(), playerBlockPosRounded.getZ());
-								//circle = DetailDistanceUtil.getDistanceGenerationInverse(maxDistance);
-								generationRequestList.add(new GenerationRequest(levelPos, DetailDistanceUtil.getDistanceGenerationMode(levelPos.detailLevel)));
-								requestingFar--;
-								requesting--;
+								// prevent generating the same chunk multiple times
+								if (positionWaitingToBeGenerated.contains(chunkPos))
+								{
+									continue;
+								}
 							}
-						}
-					}
 
-
-					//====================================//
-					// get the closet generation requests //
-					//====================================//
-
-					// determine which points in the posListToGenerate
-					// should actually be queued to generate
-					for (GenerationRequest generationRequest : generationRequestList)
-					{
-						ChunkPos chunkPos = generationRequest.getChunkPos();
-						if (numberOfChunksWaitingToGenerate.get() < maxChunkGenRequests)
-						{
-							// prevent generating the same chunk multiple times
-							if (positionWaitingToBeGenerated.contains(chunkPos))
-							{
+							// don't add null chunkPos (which shouldn't happen anyway)
+							// or add more to the generation queue
+							if (chunkPos == null || numberOfChunksWaitingToGenerate.get() >= maxChunkGenRequests)
 								continue;
+
+							positionWaitingToBeGenerated.add(chunkPos);
+							numberOfChunksWaitingToGenerate.addAndGet(1);
+							LodNodeGenWorker genWorker = new LodNodeGenWorker(chunkPos, DetailDistanceUtil.getDistanceGenerationMode(detailLevel), lodBuilder, lodDim, serverWorld);
+							WorldWorkerManager.addWorker(genWorker);
+						}
+
+
+						if (posToGenerate.getNthDetail(far, false) != 0 && far < posToGenerate.getNumberOfFarPos())
+						{
+							detailLevel = (byte) (posToGenerate.getNthDetail(far, false) - 1);
+							posX = posToGenerate.getNthPosX(far, false);
+							posZ = posToGenerate.getNthPosZ(far, false);
+							far++;
+							ChunkPos chunkPos = new ChunkPos(LevelPosUtil.getChunkPos(detailLevel, posX), LevelPosUtil.getChunkPos(detailLevel, posZ));
+							if (numberOfChunksWaitingToGenerate.get() < maxChunkGenRequests)
+							{
+								// prevent generating the same chunk multiple times
+								if (positionWaitingToBeGenerated.contains(chunkPos))
+								{
+									continue;
+								}
 							}
-							chunksToGen.add(generationRequest);
 
-						} // lod null and can generate more chunks
-					} // positions to generate
+							// don't add null chunkPos (which shouldn't happen anyway)
+							// or add more to the generation queue
+							if (chunkPos == null || numberOfChunksWaitingToGenerate.get() >= maxChunkGenRequests)
+								continue;
 
-
-					//=============================//
-					// start the LodNodeGenWorkers //
-					//=============================//
-
-					// issue #19
-					// TODO add a way for a server side mod to generate chunks requested here
-					ServerWorld serverWorld = LodUtil.getServerWorldFromDimension(lodDim.dimension);
-
-					// start chunk generation
-					for (GenerationRequest generationRequest : generationRequestList)
-					{
-						// don't add null chunkPos (which shouldn't happen anyway)
-						// or add more to the generation queue
-						ChunkPos chunkPos = generationRequest.getChunkPos();
-						if (chunkPos == null || numberOfChunksWaitingToGenerate.get() >= maxChunkGenRequests)
-							continue;
-
-						positionWaitingToBeGenerated.add(chunkPos);
-						numberOfChunksWaitingToGenerate.addAndGet(1);
-						LodNodeGenWorker genWorker = new LodNodeGenWorker(chunkPos, generationRequest.generationMode, renderer, lodBuilder, lodDim, serverWorld);
-						WorldWorkerManager.addWorker(genWorker);
+							positionWaitingToBeGenerated.add(chunkPos);
+							numberOfChunksWaitingToGenerate.addAndGet(1);
+							LodNodeGenWorker genWorker = new LodNodeGenWorker(chunkPos, DetailDistanceUtil.getDistanceGenerationMode(detailLevel), lodBuilder, lodDim, serverWorld);
+							WorldWorkerManager.addWorker(genWorker);
+						}
 					}
 
 				} catch (Exception e)

src/main/java/com/seibel/lod/config/LodConfig.java

@@ -27,13 +27,16 @@ import com.electronwill.nightconfig.core.file.CommentedFileConfig;
 import com.electronwill.nightconfig.core.io.WritingMode;
 import com.seibel.lod.ModInfo;
 import com.seibel.lod.enums.DebugMode;
-import com.seibel.lod.enums.DistanceCalculatorType;
+import com.seibel.lod.enums.DetailDropOff;
 import com.seibel.lod.enums.DistanceGenerationMode;
+import com.seibel.lod.enums.DistanceQualityDropOff;
 import com.seibel.lod.enums.FogDistance;
 import com.seibel.lod.enums.FogDrawOverride;
-import com.seibel.lod.enums.LodDetail;
+import com.seibel.lod.enums.GenerationPriority;
+import com.seibel.lod.enums.HorizontalQuality;
+import com.seibel.lod.enums.HorizontalResolution;
 import com.seibel.lod.enums.LodTemplate;
-import com.seibel.lod.enums.ShadingMode;
+import com.seibel.lod.enums.VerticalQuality;
 
 import net.minecraftforge.common.ForgeConfigSpec;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
@@ -44,34 +47,32 @@ import net.minecraftforge.fml.config.ModConfig;
  * This handles any configuration the user has access to.
  *
  * @author James Seibel
- * @version 9-1-2021
+ * @version 9-24-2021
  */
 @Mod.EventBusSubscriber
 public class LodConfig
 {
 	public static class Client
-    {
-        public final Graphics graphics;
-        public final WorldGenerator worldGenerator;
-        public final Threading threading;
-        public final Debugging debugging;
-        public final Buffers buffers;
-
-        public Client(ForgeConfigSpec.Builder builder)
-        {
-            builder.push("client");
-            {
-                graphics = new Graphics(builder);
-                worldGenerator = new WorldGenerator(builder);
-                threading = new Threading(builder);
-                debugging = new Debugging(builder);
-                buffers = new Buffers(builder);
-            }
-            builder.pop();
-        }
-    }
-	
-	
+	{
+		public final Graphics graphics;
+		public final WorldGenerator worldGenerator;
+		public final Threading threading;
+		public final Debugging debugging;
+		public final Buffers buffers;
+		
+		public Client(ForgeConfigSpec.Builder builder)
+		{
+			builder.push("client");
+			{
+				graphics = new Graphics(builder);
+				worldGenerator = new WorldGenerator(builder);
+				threading = new Threading(builder);
+				debugging = new Debugging(builder);
+				buffers = new Buffers(builder);
+			}
+			builder.pop();
+		}
+	}
 	
 	//================//
 	// Client Configs //
@@ -79,112 +80,122 @@ public class LodConfig
 	
 	public static class Graphics
 	{
-		public ForgeConfigSpec.BooleanValue drawLODs;
-		
 		public ForgeConfigSpec.EnumValue<FogDistance> fogDistance;
 		public ForgeConfigSpec.EnumValue<FogDrawOverride> fogDrawOverride;
 		
 		public ForgeConfigSpec.EnumValue<LodTemplate> lodTemplate;
 		
-		public ForgeConfigSpec.EnumValue<LodDetail> maxDrawDetail;
+		public ForgeConfigSpec.EnumValue<HorizontalResolution> drawResolution;
 		
-		public ForgeConfigSpec.EnumValue<ShadingMode> shadingMode;
+//		public ForgeConfigSpec.EnumValue<ShadingMode> shadingMode;
 		
-		public ForgeConfigSpec.IntValue lodQuality;
+		public ForgeConfigSpec.EnumValue<HorizontalQuality> horizontalQuality;
+		
+		public ForgeConfigSpec.EnumValue<DetailDropOff> detailDropOff;
 		
 		public ForgeConfigSpec.IntValue lodChunkRenderDistance;
 		
-		public ForgeConfigSpec.DoubleValue brightnessMultiplier;
-		public ForgeConfigSpec.DoubleValue saturationMultiplier;
+		public ForgeConfigSpec.BooleanValue disableDirectionalCulling;
+		
+		public ForgeConfigSpec.BooleanValue alwaysDrawAtMaxQuality;
 		
 		
 		Graphics(ForgeConfigSpec.Builder builder)
 		{
 			builder.comment("These settings control how the LODs look.").push(this.getClass().getSimpleName());
 			
-			drawLODs = builder
-					.comment("\n\n"
-							+ " If false LODs will not be drawn, \n"
-							+ " however they will still be generated \n"
-							+ " and saved to file for later use. \n")
-					.define("drawLODs", true);
-			
 			fogDistance = builder
 					.comment("\n\n"
 							+ " At what distance should Fog be drawn on the LODs? \n"
 							+ " If the fog cuts off ubruptly or you are using Optifine's \"fast\" fog option \n"
-							+ " set this to " + FogDistance.NEAR.toString() + " or " + FogDistance.FAR.toString() + ". \n")
+							+ " set this to " + FogDistance.NEAR + " or " + FogDistance.FAR + ". \n")
 					.defineEnum("fogDistance", FogDistance.NEAR_AND_FAR);
 			
 			fogDrawOverride = builder
 					.comment("\n\n"
 							+ " When should fog be drawn? \n"
-							+ " " + FogDrawOverride.USE_OPTIFINE_FOG_SETTING.toString() + ": Use whatever Fog setting Optifine is using. If Optifine isn't installed this defaults to " + FogDrawOverride.ALWAYS_DRAW_FOG_FANCY.toString() + ". \n"
-							+ " " + FogDrawOverride.NEVER_DRAW_FOG.toString() + ": Never draw fog on the LODs \n"
-							+ " " + FogDrawOverride.ALWAYS_DRAW_FOG_FAST.toString() + ": Always draw fast fog on the LODs \n"
-							+ " " + FogDrawOverride.ALWAYS_DRAW_FOG_FANCY.toString() + ": Always draw fancy fog on the LODs (if your graphics card supports it) \n")
-					.defineEnum("fogDrawOverride", FogDrawOverride.USE_OPTIFINE_FOG_SETTING);
+							+ " " + FogDrawOverride.USE_OPTIFINE_FOG_SETTING + ": Use whatever Fog setting Optifine is using. If Optifine isn't installed this defaults to " + FogDrawOverride.ALWAYS_DRAW_FOG_FANCY + ". \n"
+							+ " " + FogDrawOverride.NEVER_DRAW_FOG + ": Never draw fog on the LODs \n"
+							+ " " + FogDrawOverride.ALWAYS_DRAW_FOG_FAST + ": Always draw fast fog on the LODs \n"
+							+ " " + FogDrawOverride.ALWAYS_DRAW_FOG_FANCY + ": Always draw fancy fog on the LODs (if your graphics card supports it) \n")
+					.defineEnum("fogDrawOverride", FogDrawOverride.ALWAYS_DRAW_FOG_FANCY);
 			
 			lodTemplate = builder
 					.comment("\n\n"
 							+ " How should the LODs be drawn? \n"
-							+ " NOTE: Currently only " + LodTemplate.CUBIC.toString() + " is implemented! \n"
+							+ " NOTE: Currently only " + LodTemplate.CUBIC + " is implemented! \n"
 							+ " \n"
-							+ " " + LodTemplate.CUBIC.toString() + ": LOD Chunks are drawn as rectangular prisms (boxes). \n"
-							+ " " + LodTemplate.TRIANGULAR.toString() + ": LOD Chunks smoothly transition between other. \n"
-							+ " " + LodTemplate.DYNAMIC.toString() + ": LOD Chunks smoothly transition between other, \n"
+							+ " " + LodTemplate.CUBIC + ": LOD Chunks are drawn as rectangular prisms (boxes). \n"
+							+ " " + LodTemplate.TRIANGULAR + ": LOD Chunks smoothly transition between other. \n"
+							+ " " + LodTemplate.DYNAMIC + ": LOD Chunks smoothly transition between other, \n"
 							+ " " + "         unless a neighboring chunk is at a significantly different height. \n")
 					.defineEnum("lodTemplate", LodTemplate.CUBIC);
 			
-			maxDrawDetail = builder
+			detailDropOff = builder
+					.comment("\n\n"
+							+ " How smooth should the detail transition for LODs be? \n"
+							+ DetailDropOff.BY_CHUNK + ": quality is determined per-chunk (best quality option, may cause stuttering when moving)\n"
+							+ DetailDropOff.BY_REGION_FANCY + ": quality is determiend per-region (quality option)\n"
+							+ DetailDropOff.BY_REGION_FAST + ": quality is determiend per-region (performance option)\n")
+					.defineEnum("detailDropOff", DetailDropOff.BY_CHUNK);
+			
+			drawResolution = builder
 					.comment("\n\n"
 							+ " What is the maximum detail level that LODs should be drawn at? \n"
-							+ " " + LodDetail.SINGLE.toString() + ": render 1 LOD for each Chunk. \n"
-							+ " " + LodDetail.DOUBLE.toString() + ": render 4 LODs for each Chunk. \n"
-							+ " " + LodDetail.QUAD.toString() + ": render 16 LODs for each Chunk. \n"
-							+ " " + LodDetail.HALF.toString() + ": render 64 LODs for each Chunk. \n"
-							+ " " + LodDetail.FULL.toString() + ": render 256 LODs for each Chunk. \n")
-					.defineEnum("lodDrawQuality", LodDetail.FULL);
+							+ " " + HorizontalResolution.CHUNK + ": render 1 LOD for each Chunk. \n"
+							+ " " + HorizontalResolution.HALF_CHUNK + ": render 4 LODs for each Chunk. \n"
+							+ " " + HorizontalResolution.FOUR_BLOCKS + ": render 16 LODs for each Chunk. \n"
+							+ " " + HorizontalResolution.TWO_BLOCKS + ": render 64 LODs for each Chunk. \n"
+							+ " " + HorizontalResolution.BLOCK + ": render 256 LODs for each Chunk. \n")
+					.defineEnum("Draw resolution", HorizontalResolution.BLOCK);
 			
-			lodQuality = builder
+			horizontalQuality = builder
 					.comment("\n\n"
-							+ " this value is multiplied by 128 and determine \n"
-							+ " how much the quality decrease over distance \n")
-					.defineInRange("lodQuality", 1, 1, 4);
+							+ " This indicates how quickly LODs drop off in quality. \n"
+							+ " " + HorizontalQuality.LOW + ": quality drops every 4 chunks. \n"
+							+ " " + HorizontalQuality.MEDIUM + ": quality drops every 8 chunks. \n"
+							+ " " + HorizontalQuality.HIGH + ": quality drops every 16 chunks. \n")
+					.defineEnum("lodDrawQuality", HorizontalQuality.MEDIUM);
 			
 			lodChunkRenderDistance = builder
 					.comment("\n\n"
-							+ " This is the render distance of the mod \n")
-					.defineInRange("lodChunkRenderDistane", 64, 32, 512);
+							+ " The mod's render distance, measured in chunks. \n")
+					.defineInRange("lodChunkRenderDistance", 64, 32, 1024);
 			
-			shadingMode = builder
+			disableDirectionalCulling = builder
 					.comment("\n\n"
-							+ " What kind of shading should the LODs have? \n"
-							+ " \n"
-							+ " " + ShadingMode.NONE.toString() + " \n"
-							+ " " + "LODs will have the same lighting on every side. \n"
-							+ " " + "Can make large similarly colored areas hard to differentiate. \n"
-							+ "\n"
-							+ " " + ShadingMode.DARKEN_SIDES.toString() + " \n"
-							+ " " + "LODs will have darker sides and bottoms to simulate Minecraft's flat lighting.")
-					.defineEnum("lightingMode", ShadingMode.DARKEN_SIDES);
+							+ " If false LODs that are behind the player's camera \n"
+							+ " aren't drawn, increasing performance. \n\n"
+							+ ""
+							+ " If true all LODs are drawn, even those behind \n"
+							+ " the player's camera, decreasing performance. \n\n"
+							+ ""
+							+ " Disable this if you see LODs disapearing. \n"
+							+ " (This may happen if you are using a camera mod) \n")
+					.define("disableDirectionalCulling", false);
 			
-			brightnessMultiplier = builder
+//			shadingMode = builder
+//					.comment("\n\n"
+//							+ " What kind of shading should the LODs have? \n"
+//							+ " \n"
+//							+ " " + ShadingMode.NONE + " \n"
+//							+ " " + "LODs will have the same lighting on every side. \n"
+//							+ " " + "Can make large similarly colored areas hard to differentiate. \n"
+//							+ "\n"
+//							+ " " + ShadingMode.GAME_SHADING + " \n"
+//							+ " " + "LODs will have darker sides and bottoms to simulate Minecraft's flat lighting.")
+//					.defineEnum("lightingMode", ShadingMode.GAME_SHADING);
+			
+			alwaysDrawAtMaxQuality = builder
 					.comment("\n\n"
-							+ " Change how bright LOD colors are. \n"
-							+ " 0 = black \n"
-							+ " 1 = normal color value \n"
-							+ " 2 = washed out colors \n")
-					.defineInRange("brightnessMultiplier", 1.0, 0, 2);
-			
-			saturationMultiplier = builder
-					.comment("\n\n"
-							+ " Change how saturated LOD colors are. \n"
-							+ " 0 = black and white \n"
-							+ " 1 = normal saturation \n"
-							+ " 2 = very saturated \n")
-					.defineInRange("saturationMultiplier", 1.0, 0, 2);
-			
+							+ " Disable LOD quality falloff, "
+							+ " all LODs will be drawn at the highest "
+							+ " available detail level. "
+							+ " "
+							+ " WARNING "
+							+ " This could cause a Out Of Memory crash on render "
+							+ " distances higher than 128 \n")
+					.define("alwaysDrawAtMaxQuality", false);
 			
 			builder.pop();
 		}
@@ -192,63 +203,78 @@ public class LodConfig
 	
 	public static class WorldGenerator
 	{
-		public ForgeConfigSpec.EnumValue<LodDetail> maxGenerationDetail;
+		public ForgeConfigSpec.EnumValue<VerticalQuality> lodQualityMode;
+		public ForgeConfigSpec.EnumValue<HorizontalResolution> generationResolution;
 		public ForgeConfigSpec.EnumValue<DistanceGenerationMode> distanceGenerationMode;
+		public ForgeConfigSpec.EnumValue<GenerationPriority> generationPriority;
 		public ForgeConfigSpec.BooleanValue allowUnstableFeatureGeneration;
-		public ForgeConfigSpec.EnumValue<DistanceCalculatorType> lodDistanceCalculatorType;
-		
+		public ForgeConfigSpec.EnumValue<DistanceQualityDropOff> lodDistanceCalculatorType;
 		
 		WorldGenerator(ForgeConfigSpec.Builder builder)
 		{
 			builder.comment("These settings control how LODs outside your normal view range are generated.").push(this.getClass().getSimpleName());
 			
-			maxGenerationDetail = builder
+			lodQualityMode = builder
+					.comment("\n\n"
+							+ " Use 3d lods or 2d lods? \n"
+							+ " " + VerticalQuality.HEIGHTMAP + ": LODs are solid from the lowest world point to the highest. Not good for floating islands or caves. Faster \n"
+							+ " " + VerticalQuality.MULTI_LOD + ": LODs have gaps between vertical blocks. Good for floating islands and caves. Slower \n")
+					.defineEnum("lodQualityMode", VerticalQuality.HEIGHTMAP);
+			
+			generationResolution = builder
 					.comment("\n\n"
 							+ " What is the maximum detail level that LODs should be generated at? \n"
-							+ " " + LodDetail.SINGLE.toString() + ": render 1 LOD for each Chunk. \n"
-							+ " " + LodDetail.DOUBLE.toString() + ": render 4 LODs for each Chunk. \n"
-							+ " " + LodDetail.QUAD.toString() + ": render 16 LODs for each Chunk. \n"
-							+ " " + LodDetail.HALF.toString() + ": render 64 LODs for each Chunk. \n"
-							+ " " + LodDetail.FULL.toString() + ": render 256 LODs for each Chunk. \n")
-					.defineEnum("lodGenerationQuality", LodDetail.HALF);
+							+ " " + HorizontalResolution.CHUNK + ": render 1 LOD for each Chunk. \n"
+							+ " " + HorizontalResolution.HALF_CHUNK + ": render 4 LODs for each Chunk. \n"
+							+ " " + HorizontalResolution.FOUR_BLOCKS + ": render 16 LODs for each Chunk. \n"
+							+ " " + HorizontalResolution.TWO_BLOCKS + ": render 64 LODs for each Chunk. \n"
+							+ " " + HorizontalResolution.BLOCK + ": render 256 LODs for each Chunk. \n")
+					.defineEnum("Generation Resolution", HorizontalResolution.BLOCK);
 			
 			lodDistanceCalculatorType = builder
 					.comment("\n\n"
-							+ " " + DistanceCalculatorType.LINEAR + " \n"
+							+ " " + DistanceQualityDropOff.LINEAR + " \n"
 							+ " with LINEAR calculator the quality of block decrease \n"
 							+ " linearly to the distance of the player \n"
 							
-							+ "\n"
-							+ " " + DistanceCalculatorType.QUADRATIC + " \n"
-							+ " with LINEAR calculator the quality of block decrease \n"
-							+ " quadratically to the distance of the player \n"
+							                                     + "\n"
+							                                     + " " + DistanceQualityDropOff.QUADRATIC + " \n"
+							                                     + " with QUADRATIC calculator the quality of block decrease \n"
+							                                     + " quadratically to the distance of the player \n")
+					.defineEnum("lodDistanceComputation", DistanceQualityDropOff.LINEAR);
+			
+			generationPriority = builder
+					.comment("\n\n"
+							+ " " + GenerationPriority.FAR_FIRST + " \n"
+							+ " LODs are generated from low to high detail\n"
+							+ " with a small priority for far regions. \n"
+							+ " This fills in the world fastest. \n"
 							
-							+ "\n"
-							+ " " + DistanceCalculatorType.RENDER_DEPENDANT + " \n"
-							+ " with LINEAR calculator the quality of block decrease \n"
-							+ " quadratically to the distance of the player \n")
-					.defineEnum("lodDistanceComputation", DistanceCalculatorType.LINEAR);
+							                              + "\n"
+							                              + " " + GenerationPriority.NEAR_FIRST + " \n"
+							                              + " LODs are generated around the player \n"
+							                              + " in a spiral, similar to vanilla minecraft. \n")
+					.defineEnum("Generation priority", GenerationPriority.NEAR_FIRST);
 			
 			distanceGenerationMode = builder
 					.comment("\n\n"
 							+ " Note: The times listed here are the amount of time it took \n"
-							+ "       the developer's PC to generate 1 chunk, \n"
+							+ "       one of the developer's PC to generate 1 chunk, \n"
 							+ "       and are included so you can compare the \n"
 							+ "       different generation options. Your mileage may vary. \n"
 							+ "\n"
-
-							+ " " + DistanceGenerationMode.NONE.toString() + " \n"
+							
+							+ " " + DistanceGenerationMode.NONE + " \n"
 							+ " Don't run the distance generator. \n"
 							
-							+ " " + DistanceGenerationMode.BIOME_ONLY.toString() + " \n"
-							+ " Only generate the biomes and use biome \n"
-							+ " grass/foliage color, water color, or snow color \n"
-							+ " to generate the color. \n"
+							+ " " + DistanceGenerationMode.BIOME_ONLY + " \n"
+							+ " Only generate the biomes and use the biome's \n"
+							+ " grass color, water color, or snow color. \n"
 							+ " Doesn't generate height, everything is shown at sea level. \n"
 							+ " Multithreaded - Fastest (2-5 ms) \n"
 							
 							+ "\n"
-							+ " " + DistanceGenerationMode.BIOME_ONLY_SIMULATE_HEIGHT.toString() + " \n"
+							+ " " + DistanceGenerationMode.BIOME_ONLY_SIMULATE_HEIGHT + " \n"
 							+ " Same as BIOME_ONLY, except instead \n"
 							+ " of always using sea level as the LOD height \n"
 							+ " different biome types (mountain, ocean, forest, etc.) \n"
@@ -256,30 +282,30 @@ public class LodConfig
 							+ " Multithreaded - Fastest (2-5 ms) \n"
 							
 							+ "\n"
-							+ " " + DistanceGenerationMode.SURFACE.toString() + " \n"
+							+ " " + DistanceGenerationMode.SURFACE + " \n"
 							+ " Generate the world surface, \n"
 							+ " this does NOT include caves, trees, \n"
 							+ " or structures. \n"
 							+ " Multithreaded - Faster (10-20 ms) \n"
 							
 							+ "\n"
-							+ " " + DistanceGenerationMode.FEATURES.toString() + " \n"
+							+ " " + DistanceGenerationMode.FEATURES + " \n"
 							+ " Generate everything except structures. \n"
 							+ " WARNING: This may cause world generation bugs or instability! \n"
 							+ " Multithreaded - Fast (15-20 ms) \n"
 							
 							+ "\n"
-							+ " " + DistanceGenerationMode.SERVER.toString() + " \n"
+							+ " " + DistanceGenerationMode.SERVER + " \n"
 							+ " Ask the server to generate/load each chunk. \n"
 							+ " This is the most compatible, but causes server/simulation lag. \n"
-							+ " This will also show player made structures if you \n"
-							+ " are adding the mod to a pre-existing world. \n"
+							+ " This will show player made structures, which can \n"
+							+ " be useful if you are adding the mod to a pre-existing world. \n"
 							+ " Singlethreaded - Slow (15-50 ms, with spikes up to 200 ms) \n")
 					.defineEnum("distanceGenerationMode", DistanceGenerationMode.SURFACE);
 			
 			allowUnstableFeatureGeneration = builder
 					.comment("\n\n"
-							+ " When using the " + DistanceGenerationMode.FEATURES.toString() + " generation mode \n"
+							+ " When using the " + DistanceGenerationMode.FEATURES + " generation mode \n"
 							+ " some features may not be thread safe, which could \n"
 							+ " cause instability and crashes. \n"
 							+ " By default (false) those features are skipped, \n"
@@ -296,7 +322,6 @@ public class LodConfig
 							+ " https://gitlab.com/jeseibel/minecraft-lod-mod/-/issues/35 \n")
 					.define("allowUnstableFeatureGeneration", false);
 			
-			
 			builder.pop();
 		}
 	}
@@ -318,7 +343,7 @@ public class LodConfig
 							+ " this number. If you want to increase LOD generation speed, \n"
 							+ " increase this number. \n"
 							+ " \n"
-							+ " The maximum value is the number of processors on your CPU. \n"
+							+ " The maximum value is the number of logical processors on your CPU. \n"
 							+ " Requires a restart to take effect. \n")
 					.defineInRange("numberOfWorldGenerationThreads", Runtime.getRuntime().availableProcessors() / 2, 1, Runtime.getRuntime().availableProcessors());
 			
@@ -329,7 +354,7 @@ public class LodConfig
 							+ " If you experience high CPU useage when NOT generating distant \n"
 							+ " LODs, lower this number. \n"
 							+ " \n"
-							+ " The maximum value is the number of processors on your CPU. \n"
+							+ " The maximum value is the number of logical processors on your CPU. \n"
 							+ " Requires a restart to take effect. \n")
 					.defineInRange("numberOfBufferBuilderThreads", Runtime.getRuntime().availableProcessors(), 1, Runtime.getRuntime().availableProcessors());
 			
@@ -340,22 +365,23 @@ public class LodConfig
 	public static class Debugging
 	{
 		public ForgeConfigSpec.EnumValue<DebugMode> debugMode;
-		public ForgeConfigSpec.BooleanValue enableDebugKeybinding;
+		public ForgeConfigSpec.BooleanValue enableDebugKeybindings;
 		
 		Debugging(ForgeConfigSpec.Builder builder)
 		{
-			builder.comment("These settings can be used by to look for bugs, or see how certain parts of the mod are working.").push(this.getClass().getSimpleName());
+			builder.comment("These settings can be used to look for bugs, or see how certain aspects of the mod work.").push(this.getClass().getSimpleName());
 			
 			debugMode = builder
 					.comment("\n\n"
-							+ " " + DebugMode.OFF.toString() + ": LODs will draw with their normal colors. \n"
-							+ " " + DebugMode.SHOW_DETAIL.toString() + ": LOD colors will be based on their detail. \n"
-							+ " " + DebugMode.SHOW_DETAIL_WIREFRAME.toString() + ": LOD colors will be based on their detail, drawn with wireframe. \n")
+							+ " " + DebugMode.OFF + ": LODs will draw with their normal colors. \n"
+							+ " " + DebugMode.SHOW_DETAIL + ": LOD colors will be based on their detail level. \n"
+							+ " " + DebugMode.SHOW_DETAIL_WIREFRAME + ": LOD colors will be based on their detail level, drawn as a wireframe. \n")
 					.defineEnum("debugMode", DebugMode.OFF);
 			
-			enableDebugKeybinding = builder
+			enableDebugKeybindings = builder
 					.comment("\n\n"
-							+ " If true the F4 key can be used to cycle through the different debug modes. \n")
+							+ " If true the F4 key can be used to cycle through the different debug modes. \n"
+							+ " and the F6 key can be used to enable and disable LOD rendering.")
 					.define("enableDebugKeybinding", false);
 			
 			builder.pop();
@@ -392,18 +418,10 @@ public class LodConfig
 							+ " rebuild the vertex buffers when the LOD regions change? \n")
 					.defineInRange("bufferRebuildLodChangeTimeout", 5000, 1, 60000);
 			
-			
 			builder.pop();
 		}
 	}
 	
-	
-	
-	
-	
-	
-	
-	
 	/**
 	 * {@link Path} to the configuration file of this mod
 	 */

src/main/java/com/seibel/lod/enums/DetailDropOff.java

@@ -0,0 +1,28 @@
+/*
+ *    This file is part of the LOD Mod, licensed under the GNU GPL v3 License.
+ *
+ *    Copyright (C) 2020  James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation, version 3.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.seibel.lod.enums;
+
+/**
+ *
+ */
+public enum DetailDropOff
+{
+	BY_REGION_FAST,
+	BY_REGION_FANCY,
+	BY_CHUNK,
+}

src/main/java/com/seibel/lod/enums/DistanceQualityDropOff.java

@@ -4,7 +4,7 @@ package com.seibel.lod.enums;
  * @author Leonardo Amato
  * @version 22-08-2021
  */
-public enum DistanceCalculatorType
+public enum DistanceQualityDropOff
 {
 	/**
 	 * different Lod detail render and generate linearly to the distance
@@ -15,9 +15,4 @@ public enum DistanceCalculatorType
 	 * different Lod detail render and generate quadratically to the distance
 	 */
 	QUADRATIC,
-
-	/**
-	 * we calculate the distance based on game render distance and mod render distance
-	 */
-	RENDER_DEPENDANT;
 }

src/main/java/com/seibel/lod/enums/GenerationPriority.java

@@ -18,26 +18,12 @@
 package com.seibel.lod.enums;
 
 /**
- * NE, SE, SW, NW
- * 
  * @author James Seibel
- * @version 1-20-2020
+ * @author Leonardo Amato
  */
-public enum LodCorner
+public enum GenerationPriority
 {
-	/** -Z, +X */
-	NE(0),
-	/** +Z, +X */
-	SE(1),
-	/** +Z, -X */
-	SW(2),
-	/** -Z, -X */
-	NW(3);
-	
-	public final int value;
-	
-	private LodCorner(int newValue)
-	{
-		value = newValue;
-	}
+	NEAR_FIRST,
+
+	FAR_FIRST;
 }

src/main/java/com/seibel/lod/enums/HorizontalQuality.java

@@ -18,33 +18,29 @@
 package com.seibel.lod.enums;
 
 /**
- * NONE <br>
- * BIOME_ONLY <br>
- * BIOME_ONLY_SIMULATE_HEIGHT <br>
- * SURFACE <br>
- * FEATURES <br>
- * SERVER <br><br>
- * 
- * In order of fastest to slowest.
- * 
+ * USE_OPTIFINE_FOG_SETTING, <br>
+ * NEVER_DRAW_FOG, <br>
+ * ALWAYS_DRAW_FOG_FAST, <br>
+ * ALWAYS_DRAW_FOG_FANCY <br>
+ *
  * @author James Seibel
- * @author Leonardo Amato
- * @version 8-7-2021
+ * @version 7-03-2021
  */
-public enum LodRenderDistance
+public enum HorizontalQuality
 {
-	SHORT(32),
+	/** Lods are 2D with heightMap */
+	LOW(64),
 
-	MEDIUM(64),
+	/** Lods expand in three dimension */
+	MEDIUM(128),
 
-	FAR(128);
+	/** Lods expand in three dimension */
+	HIGH(256);
 
+	public int distanceUnit;
 
-	/** The higher the number the more complete the generation is. */
-	public final int renderDistance;
-
-	LodRenderDistance(int complexity)
+	HorizontalQuality(int distanceUnit)
 	{
-		this.renderDistance = complexity;
+		this.distanceUnit = distanceUnit;
 	}
-}
+}

src/main/java/com/seibel/lod/enums/HorizontalResolution.java

@@ -28,24 +28,23 @@ import com.seibel.lod.util.LodUtil;
  * @author James Seibel
  * @version 8-11-2021
  */
-public enum LodDetail
+public enum HorizontalResolution
 {
 	/** render 1 LOD for each chunk */
-	SINGLE(1, 4),
+	CHUNK(1, 4),
 	
 	/** render 4 LODs for each chunk */
-	DOUBLE(2, 3),
+	HALF_CHUNK(2, 3),
 	
 	/** render 16 LODs for each chunk */
-	QUAD(4, 2),
+	FOUR_BLOCKS(4, 2),
 	
 	/** render 64 LODs for each chunk */
-	HALF(8, 1),
+	TWO_BLOCKS(8, 1),
 	
 	/** render 256 LODs for each chunk */
-	FULL(16, 0);
-	
-	
+	BLOCK(16, 0);
+
 	/** How many DataPoints should 
 	 * be drawn per side per LodChunk */
 	public final int dataPointLengthCount;
@@ -69,12 +68,12 @@ public enum LodDetail
 	 * 2nd dimension: An array of all LodDetails that are less than or <br>
 	 *                equal to that detailLevel
 	 */
-	private static LodDetail[][] lowerDetailArrays;
+	private static HorizontalResolution[][] lowerDetailArrays;
 	
 	
 	
 	
-	private LodDetail(int newLengthCount, int newDetailLevel)
+	private HorizontalResolution(int newLengthCount, int newDetailLevel)
 	{
 		detailLevel = (byte) newDetailLevel;
 		dataPointLengthCount = newLengthCount;
@@ -113,20 +112,20 @@ public enum LodDetail
 	 * Returns an array of all LodDetails that have a detail level
 	 * that is less than or equal to the given LodDetail
 	 */
-	public static LodDetail[] getSelfAndLowerDetails(LodDetail detail)
+	public static HorizontalResolution[] getSelfAndLowerDetails(HorizontalResolution detail)
 	{
 		if (lowerDetailArrays == null)
 		{
 			// run first time setup
-			lowerDetailArrays = new LodDetail[LodDetail.values().length][];
+			lowerDetailArrays = new HorizontalResolution[HorizontalResolution.values().length][];
 			
 			// go through each LodDetail
-			for(LodDetail currentDetail : LodDetail.values())
+			for(HorizontalResolution currentDetail : HorizontalResolution.values())
 			{
-				ArrayList<LodDetail> lowerDetails = new ArrayList<>();
+				ArrayList<HorizontalResolution> lowerDetails = new ArrayList<>();
 				
 				// find the details lower than currentDetail
-				for(LodDetail compareDetail : LodDetail.values())
+				for(HorizontalResolution compareDetail : HorizontalResolution.values())
 				{
 					if (currentDetail.detailLevel <= compareDetail.detailLevel)
 					{
@@ -138,7 +137,7 @@ public enum LodDetail
 				Collections.sort(lowerDetails);
 				Collections.reverse(lowerDetails);
 				
-				lowerDetailArrays[currentDetail.detailLevel] = lowerDetails.toArray(new LodDetail[lowerDetails.size()]); 
+				lowerDetailArrays[currentDetail.detailLevel] = lowerDetails.toArray(new HorizontalResolution[lowerDetails.size()]);
 			}
 		}
 		
@@ -146,9 +145,9 @@ public enum LodDetail
 	}
 	
 	/** Returns what detail level should be used at a given distance and maxDistance. */
-	public static LodDetail getDetailForDistance(LodDetail maxDetailLevel, int distance, int maxDistance)
+	public static HorizontalResolution getDetailForDistance(HorizontalResolution maxDetailLevel, int distance, int maxDistance)
 	{
-		LodDetail[] lowerDetails = getSelfAndLowerDetails(maxDetailLevel);
+		HorizontalResolution[] lowerDetails = getSelfAndLowerDetails(maxDetailLevel);
 		int distaneBetweenDetails = maxDistance / lowerDetails.length;
 		int index = LodUtil.clamp(0, distance / distaneBetweenDetails, lowerDetails.length - 1);
 		

src/main/java/com/seibel/lod/enums/LodTemplate.java

@@ -54,8 +54,8 @@ public enum LodTemplate
 	}
 	
 	
-	public int getBufferMemoryForSingleLod()
+	public int getBufferMemoryForSingleLod(int maxVerticalData)
 	{
-		return template.getBufferMemoryForSingleNode();
+		return template.getBufferMemoryForSingleNode(maxVerticalData);
 	}
 }

src/main/java/com/seibel/lod/enums/RelativeChunkPos.java

@@ -1,86 +0,0 @@
-/*
- *    This file is part of the LOD Mod, licensed under the GNU GPL v3 License.
- *
- *    Copyright (C) 2020  James Seibel
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the GNU General Public License as published by
- *    the Free Software Foundation, version 3.
- *
- *    This program is distributed in the hope that it will be useful,
- *    but WITHOUT ANY WARRANTY; without even the implied warranty of
- *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *    GNU General Public License for more details.
- *
- *    You should have received a copy of the GNU General Public License
- *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-package com.seibel.lod.enums;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.EnumSet;
-
-/** 
- * NE, SE, SW, NW <br>
- * NORTH, SOUTH, EAST, WEST, <br>
- * CENTER
- * 
- * @author James Seibel
- * @version 05-30-2021
- */
-public enum RelativeChunkPos
-{
-	/** +X, -Z */
-	NE(0, 1,-1),
-	/** +X, +Z */
-	SE(1, 1,1),
-	/** -X, +Z */
-	SW(2, -1,1),
-	/** -X, -Z */
-	NW(3, -1,-1),
-	
-	/** -Z */
-	NORTH(4, 0,-1),
-	/** +Z */
-	SOUTH(5, 0,1),
-	
-	/** +X */
-	EAST(6, 1,0),
-	/** -X */
-	WEST(7, -1,0),
-	
-	CENTER(8, 0,0);
-	
-	/** index used when referencing objects in an array */
-	public final int index;
-	
-	/** position relative to X CENTER */
-	public final int x;
-	/** position relative to Z CENTER */
-	public final int z;
-	
-	/** NORTH, SOUTH, EAST, WEST */
-	public static EnumSet<RelativeChunkPos> ADJACENT = EnumSet.of(NORTH, SOUTH, EAST, WEST);
-	/** NE, NW, SE, SW */
-	public static EnumSet<RelativeChunkPos> DIAGONAL = EnumSet.of(NE, NW, SE, SW);
-	
-	
-	public static EnumSet<RelativeChunkPos> NW_CORNER = EnumSet.of(WEST, NW, NORTH);
-	public static EnumSet<RelativeChunkPos> NE_CORNER = EnumSet.of(EAST, NE, NORTH);
-	public static EnumSet<RelativeChunkPos> SW_CORNER = EnumSet.of(WEST, SW, SOUTH);
-	public static EnumSet<RelativeChunkPos> SE_CORNER = EnumSet.of(EAST, SE, SOUTH);
-	
-	/** NW_CORNER, NE_CORNER, SW_CORNER, SE_CORNER <br>
-	 * Contains the 3 points surrounding a corner. */
-	public static ArrayList<EnumSet<RelativeChunkPos>> CORNERS = new ArrayList<EnumSet<RelativeChunkPos>>( Arrays.asList(NW_CORNER, NE_CORNER, SW_CORNER, SE_CORNER) );
-	
-	private RelativeChunkPos(int newIndex, int newX, int newZ)
-	{
-		index = newIndex;
-		x = newX;
-		z = newZ;
-	}
-}
-
-

src/main/java/com/seibel/lod/enums/ShadingMode.java

@@ -14,5 +14,5 @@ public enum ShadingMode
 	
 	/** LODs will have darker sides and bottoms to simulate top down lighting.
 	Fastest */
-	DARKEN_SIDES;
+	GAME_SHADING;
 }

src/main/java/com/seibel/lod/enums/VerticalQuality.java

@@ -18,34 +18,19 @@
 package com.seibel.lod.enums;
 
 /**
- * TOP, NORTH, SOUTH, EAST, WEST, BOTTOM
- * 
+ * USE_OPTIFINE_FOG_SETTING, <br>
+ * NEVER_DRAW_FOG, <br>
+ * ALWAYS_DRAW_FOG_FAST, <br>
+ * ALWAYS_DRAW_FOG_FANCY <br>
+ *
  * @author James Seibel
- * @version 10-17-2020
+ * @version 7-03-2021
  */
-public enum ColorDirection
+public enum VerticalQuality
 {
-	// used for colors
-	/** +Y */
-	TOP(0),
-	
-	/** -Z */
-	NORTH(1),
-	/** +Z */
-	SOUTH(2),
-	
-	/** +X */
-	EAST(3),
-	/** -X */
-	WEST(4),
-	
-	/** -Y */
-	BOTTOM(5);
-	
-	public final int value;
-	
-	private ColorDirection(int newValue)
-	{
-		value = newValue;
-	}
-}
+	/** Lods are 2D with heightMap */
+	HEIGHTMAP,
+
+	/** Lods expand in three dimension */
+	MULTI_LOD;
+}

src/main/java/com/seibel/lod/handlers/LodDimensionFileHandler.java

@@ -17,21 +17,22 @@
  */
 package com.seibel.lod.handlers;
 
-import java.io.BufferedReader;
+import java.io.BufferedInputStream;
+import java.io.BufferedOutputStream;
 import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
 import java.nio.file.Files;
 import java.nio.file.StandardCopyOption;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
 import com.seibel.lod.enums.DistanceGenerationMode;
-import com.seibel.lod.objects.LevelContainer;
-import com.seibel.lod.objects.LodDimension;
-import com.seibel.lod.objects.LodRegion;
-import com.seibel.lod.objects.RegionPos;
+import com.seibel.lod.enums.VerticalQuality;
+import com.seibel.lod.objects.*;
 import com.seibel.lod.proxy.ClientProxy;
 import com.seibel.lod.util.LodThreadFactory;
 import com.seibel.lod.util.LodUtil;
@@ -42,15 +43,10 @@ import com.seibel.lod.util.LodUtil;
  * to file.
  *
  * @author James Seibel
- * @version 8-24-2021
+ * @version 9-7-2021
  */
 public class LodDimensionFileHandler
 {
-	/**
-	 * This is what separates each piece of data
-	 */
-	public static final char DATA_DELIMITER = ',';
-
 
 	private LodDimension loadedDimension = null;
 	public long regionLastWriteTime[][];
@@ -64,11 +60,7 @@ public class LodDimensionFileHandler
 	/**
 	 * .txt
 	 */
-	private static final String FILE_EXTENSION = ".txt";
-	/**
-	 * lod/
-	 */
-	private static final String LOD_FOLDER_NAME = "lod";
+	private static final String FILE_EXTENSION = ".dat";
 	/**
 	 * detail-#
 	 */
@@ -88,12 +80,7 @@ public class LodDimensionFileHandler
 	 * file handler, older versions (smaller numbers) will be deleted and overwritten,
 	 * newer versions (larger numbers) will be ignored and won't be read.
 	 */
-	public static final int LOD_SAVE_FILE_VERSION = 4;
-
-	/**
-	 * This is the string written before the file version
-	 */
-	private static final String LOD_FILE_VERSION_PREFIX = "lod_save_file_version";
+	public static final int LOD_SAVE_FILE_VERSION = 6;
 
 	/**
 	 * Allow saving asynchronously, but never try to save multiple regions
@@ -126,21 +113,21 @@ public class LodDimensionFileHandler
 	 * Return the LodRegion region at the given coordinates.
 	 * (null if the file doesn't exist)
 	 */
-	public LodRegion loadRegionFromFile(byte detailLevel, RegionPos regionPos, DistanceGenerationMode generationMode)
+	public LodRegion loadRegionFromFile(byte detailLevel, RegionPos regionPos, DistanceGenerationMode generationMode, VerticalQuality verticalQuality)
 	{
 		int regionX = regionPos.x;
 		int regionZ = regionPos.z;
-		LodRegion region = new LodRegion(LodUtil.REGION_DETAIL_LEVEL,regionPos, generationMode);
+		LodRegion region = new LodRegion(LodUtil.REGION_DETAIL_LEVEL,regionPos, generationMode, verticalQuality);
 		for (byte tempDetailLevel = LodUtil.REGION_DETAIL_LEVEL; tempDetailLevel >= detailLevel; tempDetailLevel--)
 		{
+			String fileName = getFileNameAndPathForRegion(regionX, regionZ, generationMode, tempDetailLevel, verticalQuality);
+
 			try
 			{
-				String fileName = getFileNameAndPathForRegion(regionX, regionZ, generationMode, tempDetailLevel);
-
 				// if the fileName was null that means the folder is inaccessible
 				// for some reason
 				if (fileName == null)
-					throw new IllegalArgumentException("Game folder is not accessible");
+					throw new IllegalArgumentException("Unable to read region [" + regionX + ", " + regionZ + "] file, no fileName.");
 
 
 				File f = new File(fileName);
@@ -151,65 +138,58 @@ public class LodDimensionFileHandler
 					// return anything
 					continue;
 				}
-				String data = "";
-				BufferedReader bufferedReader = new BufferedReader(new FileReader(f));
-				data = bufferedReader.readLine();
-				int fileVersion = -1;
+				byte[] data = {0};
+				long dataSize = f.length();
+				dataSize -= 1;
+				if (dataSize > 0) {
+					try (InputStream inputStream = new BufferedInputStream(new FileInputStream(f))) {
+						int fileVersion = -1;
+						fileVersion = inputStream.read();
+						// check if this file can be read by this file handler
+						if (fileVersion < LOD_SAVE_FILE_VERSION) {
+							// the file we are reading is an older version,
+							// close the reader and delete the file.
+							inputStream.close();
+							f.delete();
+							ClientProxy.LOGGER.info("Outdated LOD region file for region: (" + regionX + "," + regionZ + ") version found: " + fileVersion +
+									", version requested: " + LOD_SAVE_FILE_VERSION +
+									" File was been deleted.");
 
-				if (data != null && !data.isEmpty())
-				{
-					// try to get the file version
-					try
-					{
-						fileVersion = Integer.parseInt(data.substring(data.indexOf(' ')).trim());
-					} catch (NumberFormatException | StringIndexOutOfBoundsException e)
-					{
-						// this file doesn't have a version
-						// keep the version as -1
-						fileVersion = -1;
+							break;
+						} else if (fileVersion > LOD_SAVE_FILE_VERSION) {
+							// the file we are reading is a newer version,
+							// close the reader and ignore the file, we don't
+							// want to accidently delete anything the user may want.
+							inputStream.close();
+							ClientProxy.LOGGER.info("Newer LOD region file for region: (" + regionX + "," + regionZ + ") version found: " + fileVersion +
+									", version requested: " + LOD_SAVE_FILE_VERSION +
+									" this region will not be written to in order to protect the newer file.");
+
+							break;
+						}
+						// this file is a readable version, begin reading the file
+						data = new byte[(int) dataSize];
+						inputStream.read(data);
+						inputStream.close();
+					} catch (IOException ex) {
+						ex.printStackTrace();
 					}
-
-					// check if this file can be read by this file handler
-					if (fileVersion < LOD_SAVE_FILE_VERSION)
-					{
-						// the file we are reading is an older version,
-						// close the reader and delete the file.
-						bufferedReader.close();
-						f.delete();
-						ClientProxy.LOGGER.info("Outdated LOD region file for region: (" + regionX + "," + regionZ + ") version: " + fileVersion +
-								                        ", version requested: " + LOD_SAVE_FILE_VERSION +
-								                        " File was been deleted.");
-
-						break;
-					} else if (fileVersion > LOD_SAVE_FILE_VERSION)
-					{
-						// the file we are reading is a newer version,
-						// close the reader and ignore the file, we don't
-						// want to accidently delete anything the user may want.
-						bufferedReader.close();
-						ClientProxy.LOGGER.info("Newer LOD region file for region: (" + regionX + "," + regionZ + ") version: " + fileVersion +
-								                        ", version requested: " + LOD_SAVE_FILE_VERSION +
-								                        " this region will not be written to in order to protect the newer file.");
-
-						break;
-					}
-				} else
-				{
-					// there is no data in this file
-					bufferedReader.close();
-					break;
 				}
-
-				// this file is a readable version, begin reading the file
-				data = bufferedReader.readLine();
-
-				bufferedReader.close();
-				region.addLevel(new LevelContainer(data));
+				switch (region.getLodQualityMode()){
+					default:
+					case HEIGHTMAP:
+						region.addLevel(new SingleLevelContainer(data));
+						break;
+					case MULTI_LOD:
+						region.addLevel(new VerticalLevelContainer(data));
+						break;
+				}
+				//region.addLevel(new SingleLevelContainer(data));
 			} catch (Exception e)
 			{
 				// the buffered reader encountered a
 				// problem reading the file
-
+				ClientProxy.LOGGER.error("LOD file read error. Unable to read to [" + fileName + "] error [" + e.getMessage() + "]: ");
 				e.printStackTrace();
 			}
 		}
@@ -239,10 +219,10 @@ public class LodDimensionFileHandler
 			{
 				for (int j = 0; j < loadedDimension.getWidth(); j++)
 				{
-					if (loadedDimension.isRegionDirty[i][j] && loadedDimension.regions[i][j] != null)
+					if (loadedDimension.isRegionToRegen(i,j) && loadedDimension.getRegionByArrayIndex(i,j) != null)
 					{
-						saveRegionToFile(loadedDimension.regions[i][j]);
-						loadedDimension.isRegionDirty[i][j] = false;
+						saveRegionToFile(loadedDimension.getRegionByArrayIndex(i,j));
+						loadedDimension.setRegenByArrayIndex(i, j,false);
 					}
 				}
 			}
@@ -267,14 +247,14 @@ public class LodDimensionFileHandler
 		int z = region.regionPosZ;
 		for (byte detailLevel = region.getMinDetailLevel(); detailLevel <= LodUtil.REGION_DETAIL_LEVEL; detailLevel++)
 		{
-			String fileName = getFileNameAndPathForRegion(x, z, region.getGenerationMode(), detailLevel);
+			String fileName = getFileNameAndPathForRegion(x, z, region.getGenerationMode(), detailLevel, region.getLodQualityMode());
 			File oldFile = new File(fileName);
 
 			// if the fileName was null that means the folder is inaccessible
 			// for some reason
 			if (fileName == null)
 			{
-				ClientProxy.LOGGER.warn("Unable to save region [" + x + ", " + z + "] to file.");
+				ClientProxy.LOGGER.warn("Unable to save region [" + x + ", " + z + "] to file, no fileName.");
 				return;
 			}
 
@@ -295,54 +275,45 @@ public class LodDimensionFileHandler
 					// is the correct version.
 					// (to make sure we don't overwrite a newer
 					// version file if it exists)
-
-					BufferedReader br = new BufferedReader(new FileReader(oldFile));
-					String s = br.readLine();
 					int fileVersion = LOD_SAVE_FILE_VERSION;
-
-					if (s != null && !s.isEmpty())
-					{
-						// try to get the file version
-						try
-						{
-							fileVersion = Integer.parseInt(s.substring(s.indexOf(' ')).trim());
-						} catch (NumberFormatException | StringIndexOutOfBoundsException e)
-						{
-							// this file doesn't have a correctly formated version
-							// just overwrite the file
-						}
+					try (InputStream inputStream = new BufferedInputStream(new FileInputStream(oldFile))) {
+						fileVersion = inputStream.read();
+						inputStream.close();
+					} catch (IOException ex) {
+						ex.printStackTrace();
 					}
-					br.close();
-
 					// check if this file can be written to by the file handler
-					if (fileVersion <= LOD_SAVE_FILE_VERSION)
-					{
-						// we are good to continue and overwrite the old file
-					} else // if(fileVersion > LOD_SAVE_FILE_VERSION)
-					{
+					if (fileVersion > LOD_SAVE_FILE_VERSION) {
 						// the file we are reading is a newer version,
 						// don't write anything, we don't want to accidently
 						// delete anything the user may want.
 						return;
-					}
+					}  // if(fileVersion > LOD_SAVE_FILE_VERSION)
+					//else {
+						// we are good to continue and overwrite the old file
+					//}
+
 				}
 
 				// the old file is good, now create a new save file
 				File newFile = new File(fileName + TMP_FILE_EXTENSION);
-				FileWriter fw = new FileWriter(newFile);
+				try (OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(newFile))) {
 
-				// add the version of this file
-				fw.write(LOD_FILE_VERSION_PREFIX + " " + LOD_SAVE_FILE_VERSION + "\n");
+					// add the version of this file
+					outputStream.write(LOD_SAVE_FILE_VERSION);
 
-				// add each LodChunk to the file
-				fw.write(region.getLevel(detailLevel).toString());
-				fw.close();
+					// add each LodChunk to the file
+					outputStream.write(region.getLevel(detailLevel).toDataString());
+					outputStream.close();
 
-				// overwrite the old file with the new one
-				Files.move(newFile.toPath(), oldFile.toPath(), StandardCopyOption.ATOMIC_MOVE, StandardCopyOption.REPLACE_EXISTING);
+					// overwrite the old file with the new one
+					Files.move(newFile.toPath(), oldFile.toPath(), StandardCopyOption.ATOMIC_MOVE, StandardCopyOption.REPLACE_EXISTING);
+				}catch (IOException ex) {
+					ex.printStackTrace();
+				}
 			} catch (Exception e)
 			{
-				ClientProxy.LOGGER.error("LOD file write error: ");
+				ClientProxy.LOGGER.error("LOD file write error. Unable to write to [" + fileName + "] error [" + e.getMessage() + "]: ");
 				e.printStackTrace();
 			}
 		}
@@ -363,7 +334,7 @@ public class LodDimensionFileHandler
 	 * <p>
 	 * Returns null if there is an IO Exception.
 	 */
-	private String getFileNameAndPathForRegion(int regionX, int regionZ, DistanceGenerationMode generationMode, byte detailLevel)
+	private String getFileNameAndPathForRegion(int regionX, int regionZ, DistanceGenerationMode generationMode, byte detailLevel, VerticalQuality verticalQuality)
 	{
 		try
 		{
@@ -372,9 +343,10 @@ public class LodDimensionFileHandler
 			// or
 			// ".\Super Flat\data"
 			return dimensionDataSaveFolder.getCanonicalPath() + File.separatorChar +
-					       generationMode.toString() + File.separatorChar +
-					       DETAIL_FOLDER_NAME_PREFIX + detailLevel + File.separatorChar +
-					       FILE_NAME_PREFIX + "." + regionX + "." + regionZ + FILE_EXTENSION;
+					       verticalQuality + File.separatorChar +
+					generationMode.toString() + File.separatorChar +
+					DETAIL_FOLDER_NAME_PREFIX + detailLevel + File.separatorChar +
+					FILE_NAME_PREFIX + "." + regionX + "." + regionZ + FILE_EXTENSION;
 		} catch (IOException | SecurityException e)
 		{
 			ClientProxy.LOGGER.warn("Unable to get the filename for the region [" + regionX + ", " + regionZ + "], error: [" + e.getMessage() + "], stacktrace: ");

src/main/java/com/seibel/lod/handlers/ReflectionHandler.java

@@ -18,10 +18,10 @@
 package com.seibel.lod.handlers;
 
 import java.lang.reflect.Field;
+import java.lang.reflect.Method;
 
 import com.seibel.lod.enums.FogQuality;
-
-import net.minecraft.client.Minecraft;
+import com.seibel.lod.wrappers.MinecraftWrapper;
 
 /**
  * This object is used to get variables from methods
@@ -29,27 +29,32 @@ import net.minecraft.client.Minecraft;
  * in Optifine.
  *
  * @author James Seibel
- * @version 7-03-2021
+ * @version 9-7-2021
  */
 public class ReflectionHandler
 {
-	private Minecraft mc = Minecraft.getInstance();
+	public static final ReflectionHandler INSTANCE = new ReflectionHandler();
+	private MinecraftWrapper mc = MinecraftWrapper.INSTANCE;
+	
 	public Field ofFogField = null;
-
-	public ReflectionHandler()
+	public Method vertexBufferUploadMethod = null;
+	
+	
+	
+	private ReflectionHandler()
 	{
 		setupFogField();
 	}
-
-
+	
+	
 	/**
-	 * Similar to setupFovMethod.
+	 * finds the Optifine fog type field
 	 */
 	private void setupFogField()
 	{
 		// get every variable from the entity renderer
-		Field[] optionFields = mc.options.getClass().getDeclaredFields();
-
+		Field[] optionFields = mc.getOptions().getClass().getDeclaredFields();
+		
 		// try and find the ofFogType variable in gameSettings
 		for (Field field : optionFields)
 		{
@@ -59,14 +64,15 @@ public class ReflectionHandler
 				return;
 			}
 		}
-
+		
 		// we didn't find the field,
 		// either optifine isn't installed, or
 		// optifine changed the name of the variable
-		ofFogField = null;
 	}
-
-
+	
+	
+	
+	
 	/**
 	 * Get what type of fog optifine is currently set to render.
 	 */
@@ -79,35 +85,34 @@ public class ReflectionHandler
 			// the setup method wasn't called yet.
 			return FogQuality.FANCY;
 		}
-
+		
 		int returnNum = 0;
-
+		
 		try
 		{
-			returnNum = (int) ofFogField.get(mc.options);
+			returnNum = (int) ofFogField.get(mc.getOptions());
 		} catch (IllegalArgumentException | IllegalAccessException e)
 		{
 			e.printStackTrace();
 		}
-
+		
 		switch (returnNum)
 		{
-			// optifine's "default" option,
-			// it should never be called in this case
-			case 0:
-				return FogQuality.FAST;
-
+		// optifine's "default" option,
+		// it should never be called in this case
+		case 0:
+			return FogQuality.FAST;
+			
 			// normal options
-			case 1:
-				return FogQuality.FAST;
-			case 2:
-				return FogQuality.FANCY;
-			case 3:
-				return FogQuality.OFF;
-
-			default:
-				return FogQuality.FAST;
+		case 1:
+			return FogQuality.FAST;
+		case 2:
+			return FogQuality.FANCY;
+		case 3:
+			return FogQuality.OFF;
+			
+		default:
+			return FogQuality.FAST;
 		}
 	}
-
 }

src/main/java/com/seibel/lod/mixin/MixinWorldRenderer.java

@@ -17,26 +17,25 @@
  */
 package com.seibel.lod.mixin;
 
+import com.mojang.blaze3d.matrix.MatrixStack;
+import com.seibel.lod.LodMain;
+import com.seibel.lod.proxy.ClientProxy;
+import net.minecraft.client.renderer.RenderType;
+import net.minecraft.client.renderer.WorldRenderer;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
-import com.mojang.blaze3d.matrix.MatrixStack;
-import com.seibel.lod.LodMain;
-import com.seibel.lod.config.LodConfig;
-
-import net.minecraft.client.renderer.RenderType;
-import net.minecraft.client.renderer.WorldRenderer;
-
 /**
  * This class is used to mix in my rendering code
  * before Minecraft starts rendering blocks.
- * If this wasn't done the LODs would render on top
+ * If this wasn't done and we used Forge's 
+ * render last event, the LODs would render on top
  * of the normal terrain.
  * 
  * @author James Seibel
- * @version 05-29-2021
+ * @version 9-19-2021
  */
 @Mixin(WorldRenderer.class)
 public class MixinWorldRenderer
@@ -56,7 +55,7 @@ public class MixinWorldRenderer
 	{
 		// only render if LODs are enabled and
 		// only render before solid blocks
-		if (LodConfig.CLIENT.graphics.drawLODs.get() && renderType.equals(RenderType.solid()))
-			LodMain.client_proxy.renderLods(previousPartialTicks);
+		if (ClientProxy.drawLods && renderType.equals(RenderType.solid()))
+			LodMain.client_proxy.renderLods(matrixStackIn, previousPartialTicks);
 	}
 }

src/main/java/com/seibel/lod/objects/DataPoint.java

@@ -1,48 +0,0 @@
-package com.seibel.lod.objects;
-
-public class DataPoint
-{
-
-	public static short[] createDataPoint(int height, int depth, int red, int green, int blue)
-	{
-		return new short[]{(short) height, (short) depth, (short) red, (short) green, (short) blue};
-	}
-
-	public static short getHeight(short[] dataPoint)
-	{
-		return dataPoint[0];
-	}
-
-	public static short getDepth(short[] dataPoint)
-	{
-		return dataPoint[1];
-	}
-
-	public static short getRed(short[] dataPoint)
-	{
-		return dataPoint[2];
-	}
-
-	public static short getGreen(short[] dataPoint)
-	{
-		return dataPoint[3];
-	}
-
-	public static short getBlue(short[] dataPoint)
-	{
-		return dataPoint[4];
-	}
-
-	public static short[] getHeightDepth(short[] dataPoint)
-	{
-		return new short[]{dataPoint[0], dataPoint[1]};
-	}
-
-	public static int getColor(short[] dataPoint)
-	{
-		int R = (dataPoint[2] << 16) & 0x00FF0000;
-		int G = (dataPoint[3] << 8) & 0x0000FF00;
-		int B = dataPoint[4] & 0x000000FF;
-		return 0xFF000000 | R | G | B;
-	}
-}

src/main/java/com/seibel/lod/objects/LevelContainer.java

@@ -1,100 +1,92 @@
 package com.seibel.lod.objects;
 
-import java.io.Serializable;
-
-import com.seibel.lod.util.LodUtil;
-
-public class LevelContainer implements Serializable
+public interface LevelContainer
 {
+	public static final char VERTICAL_DATA_DELIMITER = '\t';
+	public static final char DATA_DELIMITER = ' ';
 
-	public static final char DATA_DELIMITER = ',';
+	/**With this you can add data to the level container
+	 *
+	 * @param data actual data to add in a array of long format.
+	 * @param posX x position in the detail level
+	 * @param posZ z position in the detail level
+	 * @param index z position in the detail level
+	 * @return true if correctly added, false otherwise
+	 */
+	public boolean addData(long data, int posX, int posZ, int index);
 
-	public final byte detailLevel;
+	/**With this you can add data to the level container
+	 *
+	 * @param data actual data to add in a array of long format.
+	 * @param posX x position in the detail level
+	 * @param posZ z position in the detail level
+	 * @return true if correctly added, false otherwise
+	 */
+	public boolean addSingleData(long data, int posX, int posZ);
 
-	public final byte[][][] colors;
+	/**With this you can get data from the level container
+	 *
+	 * @param posX x position in the detail level
+	 * @param posZ z position in the detail level
+	 * @return the data in long array format
+	 */
+	public long getData(int posX, int posZ, int index);
 
-	public final short[][] height;
+	/**With this you can get data from the level container
+	 *
+	 * @param posX x position in the detail level
+	 * @param posZ z position in the detail level
+	 * @return the data in long array format
+	 */
+	public long getSingleData(int posX, int posZ);
 
-	public final short[][] depth;
+	/**
+	 * @param posX x position in the detail level
+	 * @param posZ z position in the detail level
+	 * @return true only if the data exist
+	 */
+	public boolean doesItExist(int posX, int posZ);
 
-	public final boolean[][] dataExistence;
-
-	public LevelContainer(byte detailLevel, byte[][][] colors, short[][] height, short[][] depth, boolean[][] dataExistence)
-	{
-		this.detailLevel = detailLevel;
-		this.colors = colors;
-		this.height = height;
-		this.depth = depth;
-		this.dataExistence = dataExistence;
-	}
-
-	public LevelContainer(String data)
-	{
-
-		int index = 0;
-		int lastIndex = 0;
+	/**
+	 * @return return the deatilLevel of this level container
+	 */
+	public byte getDetailLevel();
 
 
-		index = data.indexOf(DATA_DELIMITER, 0);
-		this.detailLevel = (byte) Integer.parseInt(data.substring(0, index));
-		int size = (int) Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - detailLevel);
+	public int getMaxVerticalData();
 
-		this.colors = new byte[size][size][3];
-		this.height = new short[size][size];
-		this.depth = new short[size][size];
-		this.dataExistence = new boolean[size][size];
-		int intCol;
-		for (int x = 0; x < size; x++)
-		{
-			for (int z = 0; z < size; z++)
-			{
-				lastIndex = index;
-				index = data.indexOf(DATA_DELIMITER, lastIndex + 1);
-				intCol = Integer.parseInt(data.substring(lastIndex + 1, index), 16);
-				colors[x][z][0] = (byte) ((intCol >> 16) - 128);
-				colors[x][z][1] = (byte) ((intCol >> 8) - 128);
-				colors[x][z][2] = (byte) (intCol - 128);
+	public void clear(int posX, int posZ);
 
-				lastIndex = index;
-				index = data.indexOf(DATA_DELIMITER, lastIndex + 1);
-				height[x][z] = Short.parseShort(data.substring(lastIndex + 1, index), 16);
+	/**This return a level container with detail level lower than the current level.
+	 * The new level container may use information of this level.
+	 * @return the new level container
+	 */
+	public LevelContainer expand();
 
-				lastIndex = index;
-				index = data.indexOf(DATA_DELIMITER, lastIndex + 1);
-				depth[x][z] = Short.parseShort(data.substring(lastIndex + 1, index), 16);
+	/**
+	 *
+	 * @param lowerLevelContainer lower level where we extract the data
+	 * @param posX x position in the detail level to update
+	 * @param posZ z position in the detail level to update
+	 */
+	public void updateData(LevelContainer lowerLevelContainer, int posX, int posZ);
 
-				lastIndex = index;
-				index = data.indexOf(DATA_DELIMITER, lastIndex + 1);
-				dataExistence[x][z] = Boolean.parseBoolean(data.substring(lastIndex + 1, index));
-			}
-		}
+	/**
+	 * This will give the data to save in the file
+	 * @return data as a String
+	 */
+	public byte[] toDataString();
 
-	}
 
-	@Override
-	public String toString()
-	{
-		StringBuilder stringBuilder = new StringBuilder();
-		int combinedCol;
-		int size = (int) Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - detailLevel);
-		stringBuilder.append(detailLevel);
-		stringBuilder.append(DATA_DELIMITER);
-		for (int x = 0; x < size; x++)
-		{
-			for (int z = 0; z < size; z++)
-			{
-				//Converting the colors to intColor and then to HEX
-				combinedCol = ((colors[x][z][0] + 128) << 16) | ((colors[x][z][1] + 128) << 8) | ((colors[x][z][2] + 128));
-				stringBuilder.append(Integer.toHexString(combinedCol));
-				stringBuilder.append(DATA_DELIMITER);
-				stringBuilder.append(Integer.toHexString(height[x][z] & 0xffff));
-				stringBuilder.append(DATA_DELIMITER);
-				stringBuilder.append(Integer.toHexString(depth[x][z] & 0xffff));
-				stringBuilder.append(DATA_DELIMITER);
-				stringBuilder.append(dataExistence[x][z]);
-				stringBuilder.append(DATA_DELIMITER);
-			}
-		}
-		return stringBuilder.toString();
-	}
+	/**
+	 * This will give the data to save in the file
+	 * @return data as a String
+	 */
+	public int getMaxNumberOfLods();
+
+	/**
+	 * This will give the data to save in the file
+	 * @return data as a String
+	 */
+	public int getMaxMemoryUse();
 }

src/main/java/com/seibel/lod/objects/LevelPos/ImmutableLevelPos.java

@@ -1,7 +0,0 @@
-package com.seibel.lod.objects.LevelPos;
-
-public interface ImmutableLevelPos
-{
-    public LevelPos getConvertedLevelPos(byte newDetailLevel);
-    public LevelPos getRegionModuleLevelPos();
-}

src/main/java/com/seibel/lod/objects/LevelPos/LevelPos.java

@@ -1,415 +0,0 @@
-package com.seibel.lod.objects.LevelPos;
-
-import com.seibel.lod.objects.RegionPos;
-import com.seibel.lod.util.LodUtil;
-import net.minecraft.util.math.ChunkPos;
-
-import java.util.Comparator;
-
-public class LevelPos implements Cloneable, ImmutableLevelPos, MutableLevelPos, Comparable<LevelPos>
-{
-    public byte detailLevel;
-    public int posX;
-    public int posZ;
-    public boolean flag;
-
-    public LevelPos()
-    {
-    }
-
-    public LevelPos(byte detailLevel, int posX, int posZ)
-    {
-        this.posX = posX;
-        this.posZ = posZ;
-        this.detailLevel = detailLevel;
-    }
-
-    /**
-     * this operation does not change the state
-     */
-    public LevelPos getConvertedLevelPos(byte newDetailLevel)
-    {
-        if (newDetailLevel >= detailLevel)
-        {
-            int width = 1 << (newDetailLevel - detailLevel);
-            return new LevelPos(
-                    newDetailLevel,
-                    Math.floorDiv(posX, width),
-                    Math.floorDiv(posZ, width));
-        } else
-        {
-            int width = 1 << (detailLevel - newDetailLevel);
-            return new LevelPos(
-                    newDetailLevel,
-                    posX * width,
-                    posZ * width);
-        }
-    }
-
-    /**
-     * this operation does not change the state
-     */
-    public LevelPos getRegionModuleLevelPos()
-    {
-        int width = 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel);
-        return new LevelPos(
-                detailLevel,
-                Math.floorMod(posX, width),
-                Math.floorMod(posZ, width));
-    }
-
-    /**
-     * this operation changes the state
-     */
-    public void convert(byte newDetailLevel)
-    {
-        if (newDetailLevel >= detailLevel)
-        {
-            int width = 1 << (newDetailLevel - detailLevel);
-            detailLevel = newDetailLevel;
-            posX = Math.floorDiv(posX, width);
-            posZ = Math.floorDiv(posZ, width);
-        } else
-        {
-            int width = 1 << (detailLevel - newDetailLevel);
-            detailLevel = newDetailLevel;
-            posX = posX * width;
-            posZ = posZ * width;
-        }
-    }
-
-    /**
-     * this operation changes the state
-     */
-    public void performRegionModule()
-    {
-        int width = 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel);
-        posX = Math.floorMod(posX, width);
-        posZ = Math.floorMod(posZ, width);
-    }
-
-    /**
-     * this operation changes the state
-     */
-    public void applyOffset(int xOffset, int zOffset)
-    {
-        posX = posX + xOffset;
-        posX = posZ + zOffset;
-    }
-
-    /**
-     * this operation changes the state
-     */
-    public void changeParameters(byte newDetailLevel, int newPosX, int newPosZ)
-    {
-        detailLevel = newDetailLevel;
-        posX = newPosX;
-        posZ = newPosZ;
-    }
-
-    public RegionPos getRegionPos()
-    {
-        int width = 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel);
-        return new RegionPos(
-                Math.floorDiv(posX, width),
-                Math.floorDiv(posZ, width));
-    }
-
-    public int getRegionPosX()
-    {
-        int width = 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel);
-        return Math.floorDiv(posX, width);
-    }
-
-    public int getRegionPosZ()
-    {
-        int width = 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel);
-        return Math.floorDiv(posZ, width);
-    }
-
-    public int getChunkPosX()
-    {
-        if (LodUtil.CHUNK_DETAIL_LEVEL >= detailLevel)
-        {
-            int width = 1 << (LodUtil.CHUNK_DETAIL_LEVEL - detailLevel);
-            return Math.floorDiv(posX, width);
-        } else
-        {
-            int width = 1 << (detailLevel - LodUtil.CHUNK_DETAIL_LEVEL);
-            return posX * width;
-        }
-    }
-
-    public int getChunkPosZ()
-    {
-        if (LodUtil.CHUNK_DETAIL_LEVEL >= detailLevel)
-        {
-            int width = 1 << (LodUtil.CHUNK_DETAIL_LEVEL - detailLevel);
-            return Math.floorDiv(posZ, width);
-        } else
-        {
-            int width = 1 << (detailLevel - LodUtil.CHUNK_DETAIL_LEVEL);
-            return posZ * width;
-        }
-    }
-
-    public ChunkPos getChunkPos()
-    {
-        if (LodUtil.CHUNK_DETAIL_LEVEL >= detailLevel)
-        {
-            int width = 1 << (LodUtil.CHUNK_DETAIL_LEVEL - detailLevel);
-            return new ChunkPos(
-                    Math.floorDiv(posX, width),
-                    Math.floorDiv(posZ, width));
-        } else
-        {
-            int width = 1 << (detailLevel - LodUtil.CHUNK_DETAIL_LEVEL);
-            return new ChunkPos(
-                    posX * width,
-                    posZ * width);
-        }
-    }
-
-    /**
-     * TODO fix the region disappearing for a second
-     */
-
-    public int maxDistance(int playerPosX, int playerPosZ, int regionPosX, int regionPosZ)
-    {
-        int width = 1 << detailLevel;
-
-        int startPosX = regionPosX * 512 + posX * width;
-        int startPosZ = regionPosZ * 512 + posZ * width;
-        int endPosX = startPosX + width;
-        int endPosZ = startPosZ + width;
-
-        int maxDistance = (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - startPosZ, 2));
-        maxDistance = Math.max(maxDistance, (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
-        maxDistance = Math.max(maxDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - startPosZ, 2)));
-        maxDistance = Math.max(maxDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
-
-        return maxDistance;
-    }
-
-    public int maxDistance(int playerPosX, int playerPosZ)
-    {
-        int width = 1 << detailLevel;
-
-        int startPosX = posX * width;
-        int startPosZ = posZ * width;
-        int endPosX = startPosX + width;
-        int endPosZ = startPosZ + width;
-
-        int maxDistance = (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - startPosZ, 2));
-        maxDistance = Math.max(maxDistance, (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
-        maxDistance = Math.max(maxDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - startPosZ, 2)));
-        maxDistance = Math.max(maxDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
-
-        return maxDistance;
-    }
-
-    public int minDistance(int playerPosX, int playerPosZ, int regionPosX, int regionPosZ)
-    {
-        int width = 1 << detailLevel;
-
-        int startPosX = regionPosX * 512 + posX * width;
-        int startPosZ = regionPosZ * 512 + posZ * width;
-        int endPosX = startPosX + width;
-        int endPosZ = startPosZ + width;
-
-        boolean inXArea = playerPosX >= startPosX && playerPosX <= endPosX;
-        boolean inZArea = playerPosZ >= startPosZ && playerPosZ <= endPosZ;
-        if (inXArea && inZArea)
-        {
-            return 0;
-        } else if (inXArea)
-        {
-            return Math.min(
-                    Math.abs(playerPosZ - startPosZ),
-                    Math.abs(playerPosZ - endPosZ)
-            );
-        } else if (inZArea)
-        {
-            return Math.min(
-                    Math.abs(playerPosX - startPosX),
-                    Math.abs(playerPosX - endPosX)
-            );
-        } else
-        {
-            int minDistance = (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - startPosZ, 2));
-            minDistance = Math.min(minDistance, (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
-            minDistance = Math.min(minDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - startPosZ, 2)));
-            minDistance = Math.min(minDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
-            return minDistance;
-        }
-    }
-
-    public int minDistance(int playerPosX, int playerPosZ)
-    {
-        int width = 1 << detailLevel;
-
-        int startPosX = posX * width;
-        int startPosZ = posZ * width;
-        int endPosX = startPosX + width;
-        int endPosZ = startPosZ + width;
-
-        boolean inXArea = playerPosX >= startPosX && playerPosX <= endPosX;
-        boolean inZArea = playerPosZ >= startPosZ && playerPosZ <= endPosZ;
-        if (inXArea && inZArea)
-        {
-            return 0;
-        } else if (inXArea)
-        {
-            return Math.min(
-                    Math.abs(playerPosZ - startPosZ),
-                    Math.abs(playerPosZ - endPosZ)
-            );
-        } else if (inZArea)
-        {
-            return Math.min(
-                    Math.abs(playerPosX - startPosX),
-                    Math.abs(playerPosX - endPosX)
-            );
-        } else
-        {
-            int minDistance = (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - startPosZ, 2));
-            minDistance = Math.min(minDistance, (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
-            minDistance = Math.min(minDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - startPosZ, 2)));
-            minDistance = Math.min(minDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
-            return minDistance;
-        }
-    }
-
-    public static LevelPosDistanceComparator getPosComparator(int playerPosX, int playerPosZ)
-    {
-        return new LevelPosDistanceComparator(playerPosX, playerPosZ);
-    }
-
-    public static LevelPosDetailComparator getPosAndDetailComparator(int playerPosX, int playerPosZ)
-    {
-        return new LevelPosDetailComparator(playerPosX, playerPosZ);
-    }
-
-    public static class LevelPosDistanceComparator implements Comparator<LevelPos>
-    {
-        int playerPosX;
-        int playerPosZ;
-
-        public LevelPosDistanceComparator(int playerPosX, int playerPosZ)
-        {
-            this.playerPosX = playerPosX;
-            this.playerPosZ = playerPosZ;
-        }
-
-        @Override
-        public int compare(LevelPos first, LevelPos second)
-        {
-            return Integer.compare(
-                    first.minDistance(playerPosX, playerPosZ),
-                    second.minDistance(playerPosX, playerPosZ));
-        }
-    }
-
-    public static class LevelPosDetailComparator implements Comparator<LevelPos>
-    {
-        int playerPosX;
-        int playerPosZ;
-
-        public LevelPosDetailComparator(int playerPosX, int playerPosZ)
-        {
-            this.playerPosX = playerPosX;
-            this.playerPosZ = playerPosZ;
-        }
-
-        @Override
-        public int compare(LevelPos first, LevelPos second)
-        {
-            int compareResult = Integer.compare(second.detailLevel, first.detailLevel);
-            if (compareResult == 0)
-            {
-                compareResult = Integer.compare(
-                        first.minDistance(playerPosX, playerPosZ),
-                        second.minDistance(playerPosX, playerPosZ));
-            }
-            return compareResult;
-        }
-    }
-
-    public static LevelPosComparator getComparator()
-    {
-        return new LevelPosComparator();
-    }
-
-    public static class LevelPosComparator implements Comparator<LevelPos>
-    {
-        @Override
-        public int compare(LevelPos first, LevelPos second)
-        {
-            int compareResult = Integer.compare(first.detailLevel, second.detailLevel);
-            if (compareResult == 0)
-            {
-                compareResult = Integer.compare(
-                        first.posX,
-                        second.posX);
-            }
-            if (compareResult == 0)
-            {
-                compareResult = Integer.compare(
-                        first.posZ,
-                        second.posZ);
-            }
-            return compareResult;
-        }
-    }
-
-    @Override
-    public int compareTo(LevelPos other)
-    {
-        int compareResult = Integer.compare(this.detailLevel, other.detailLevel);
-        if (compareResult == 0)
-        {
-            compareResult = Integer.compare(
-                    this.posX,
-                    other.posX);
-        }
-        if (compareResult == 0)
-        {
-            compareResult = Integer.compare(
-                    this.posZ,
-                    other.posZ);
-        }
-        return compareResult;
-    }
-
-
-    @Override
-    public LevelPos clone()
-    {
-        return new LevelPos(detailLevel, posX, posZ);
-    }
-
-    @Override
-    public int hashCode()
-    {
-        int hash = 7;
-        hash = 31 * hash + (int) detailLevel;
-        hash = 31 * hash + posX;
-        hash = 31 * hash + posZ;
-        return hash;
-    }
-
-    @Override
-    public boolean equals(Object other)
-    {
-        return (this.detailLevel == ((LevelPos) other).detailLevel &&
-                this.posX == ((LevelPos) other).posX &&
-                this.posZ == ((LevelPos) other).posZ);
-    }
-
-    @Override
-    public String toString()
-    {
-        String s = (detailLevel + " " + posX + " " + posZ);
-        return s;
-    }
-}

src/main/java/com/seibel/lod/objects/LevelPos/MutableLevelPos.java

@@ -1,14 +0,0 @@
-package com.seibel.lod.objects.LevelPos;
-
-import com.seibel.lod.util.LodUtil;
-
-public interface MutableLevelPos
-{
-	public void convert(byte newDetailLevel);
-
-	public void performRegionModule();
-
-	public void applyOffset(int xOffset, int zOffset);
-
-	public void changeParameters(byte newDetailLevel, int newPosX, int newPosZ);
-}

src/main/java/com/seibel/lod/objects/LodDimension.java

@@ -19,22 +19,18 @@ package com.seibel.lod.objects;
 
 import java.io.File;
 import java.io.IOException;
-import java.security.InvalidParameterException;
-import java.util.concurrent.ConcurrentMap;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
-import org.apache.commons.lang3.mutable.MutableBoolean;
-
 import com.seibel.lod.config.LodConfig;
 import com.seibel.lod.enums.DistanceGenerationMode;
+import com.seibel.lod.enums.GenerationPriority;
+import com.seibel.lod.enums.LodTemplate;
+import com.seibel.lod.enums.VerticalQuality;
 import com.seibel.lod.handlers.LodDimensionFileHandler;
-import com.seibel.lod.objects.LevelPos.LevelPos;
-import com.seibel.lod.util.DetailDistanceUtil;
-import com.seibel.lod.util.LodThreadFactory;
-import com.seibel.lod.util.LodUtil;
+import com.seibel.lod.util.*;
+import com.seibel.lod.wrappers.MinecraftWrapper;
 
-import net.minecraft.client.Minecraft;
 import net.minecraft.util.math.ChunkPos;
 import net.minecraft.world.DimensionType;
 import net.minecraft.world.server.ServerChunkProvider;
@@ -47,7 +43,7 @@ import net.minecraft.world.server.ServerWorld;
  *
  * @author Leonardo Amato
  * @author James Seibel
- * @version 8-8-2021
+ * @version 9-18-2021
  */
 public class LodDimension
 {
@@ -63,12 +59,30 @@ public class LodDimension
 	 */
 	private volatile int halfWidth;
 
+	// these three variables are private to force use of the getWidth() method
+	// which is a safer way to get the width then directly asking the arrays
+	/**
+	 * stores all the regions in this dimension
+	 */
+	public volatile LodRegion[][] regions;
 
-	public volatile LodRegion regions[][];
-	public volatile boolean isRegionDirty[][];
-	public volatile boolean regen[][];
-	/** if true that means there are regions in this dimension
-	 * that need to have their buffers rebuilt. */
+	/**
+	 * stores if the region at the given x and z index needs to be saved to disk
+	 */
+	private volatile boolean[][] isRegionDirty;
+	/**
+	 * stores if the region at the given x and z index needs to be regenerated
+	 */
+	private volatile boolean[][] regionNeedsRegen;
+	/**
+	 * stores if the buffer size at the given x and z index needs to be changed
+	 */
+	private volatile boolean[][] setupBuffer;
+
+	/**
+	 * if true that means there are regions in this dimension
+	 * that need to have their buffers rebuilt.
+	 */
 	public volatile boolean regenDimension = false;
 
 	private volatile RegionPos center;
@@ -88,8 +102,8 @@ public class LodDimension
 		lastGenChunk = null;
 		dimension = newDimension;
 		width = newWidth;
-		halfWidth = (int) Math.floor(width / 2);
-		Minecraft mc = Minecraft.getInstance();
+		halfWidth = width / 2;
+		MinecraftWrapper mc = MinecraftWrapper.INSTANCE;
 		if (newDimension != null && lodWorld != null)
 		{
 			try
@@ -110,8 +124,8 @@ public class LodDimension
 				{
 					// connected to server
 
-					saveDir = new File(mc.gameDirectory.getCanonicalFile().getPath() +
-							                   File.separatorChar + "lod server data" + File.separatorChar + LodUtil.getDimensionIDFromWorld(mc.level));
+					saveDir = new File(mc.getGameDirectory().getCanonicalFile().getPath() +
+							                   File.separatorChar + "lod server data" + File.separatorChar + mc.getCurrentDimensionId());
 				}
 
 				fileHandler = new LodDimensionFileHandler(saveDir, this);
@@ -125,7 +139,8 @@ public class LodDimension
 
 		regions = new LodRegion[width][width];
 		isRegionDirty = new boolean[width][width];
-		regen = new boolean[width][width];
+		regionNeedsRegen = new boolean[width][width];
+		setupBuffer = new boolean[width][width];
 
 		//treeGenerator((int) mc.player.getX(),(int) mc.player.getZ());
 
@@ -239,12 +254,10 @@ public class LodDimension
 
 
 	/**
-	 * return needed memory in byte
+	 * return needed memory in bytes
 	 */
 	public int getMinMemoryNeeded()
 	{
-		int regionX;
-		int regionZ;
 		int count = 0;
 		LodRegion region;
 
@@ -255,32 +268,36 @@ public class LodDimension
 				region = regions[x][z];
 				if (region != null)
 				{
-					count += region.getMinMemoryNeeded();
+					count += region.getMinMemoryNeeded(LodConfig.CLIENT.graphics.lodTemplate.get());
 				}
 			}
 		}
 		return count;
 	}
 
+
 	/**
 	 * Gets the region at the given X and Z
 	 * <br>
 	 * Returns null if the region doesn't exist
 	 * or is outside the loaded area.
 	 */
-	public LodRegion getRegion(LevelPos levelPos)
+	public LodRegion getRegion(byte detailLevel, int posX, int posZ)
 	{
+		int xRegion = LevelPosUtil.getRegion(detailLevel, posX);
+		int zRegion = LevelPosUtil.getRegion(detailLevel, posZ);
+		int xIndex = (xRegion - center.x) + halfWidth;
+		int zIndex = (zRegion - center.z) + halfWidth;
 
-		RegionPos regionPos = levelPos.getRegionPos();
-		int xIndex = (regionPos.x - center.x) + halfWidth;
-		int zIndex = (regionPos.z - center.z) + halfWidth;
-
-		if (!regionIsInRange(regionPos.x, regionPos.z))
-			throw new ArrayIndexOutOfBoundsException("Region for level pos " + levelPos + " out of range");
+		if (!regionIsInRange(xRegion, zRegion))
+			return null;
+			//throw new ArrayIndexOutOfBoundsException("Region for level pos " + LevelPosUtil.toString(detailLevel, posX, posZ) + " out of range");
 		else if (regions[xIndex][zIndex] == null)
-			throw new InvalidParameterException("Region for level pos " + levelPos + " not currently initialized");
-		else if (regions[xIndex][zIndex].getMinDetailLevel() > levelPos.detailLevel)
-			throw new InvalidParameterException("Region for level pos " + levelPos + " currently only reach level " + regions[xIndex][zIndex].getMinDetailLevel());
+			return null;
+			//throw new InvalidParameterException("Region for level pos " + LevelPosUtil.toString(detailLevel, posX, posZ) + " not currently initialized");
+		else if (regions[xIndex][zIndex].getMinDetailLevel() > detailLevel)
+			return null;
+		//throw new InvalidParameterException("Region for level pos " + LevelPosUtil.toString(detailLevel, posX, posZ) + " currently only reach level " + regions[xIndex][zIndex].getMinDetailLevel());
 		return regions[xIndex][zIndex];
 	}
 
@@ -290,15 +307,25 @@ public class LodDimension
 	 * Returns null if the region doesn't exist
 	 * or is outside the loaded area.
 	 */
-	public LodRegion getRegion(RegionPos regionPos)
+	public LodRegion getRegion(int regionPosX, int regionPosZ)
 	{
-		int xIndex = (regionPos.x - center.x) + halfWidth;
-		int zIndex = (regionPos.z - center.z) + halfWidth;
+		int xIndex = (regionPosX - center.x) + halfWidth;
+		int zIndex = (regionPosZ - center.z) + halfWidth;
 
-		if (!regionIsInRange(regionPos.x, regionPos.z))
-			throw new ArrayIndexOutOfBoundsException("Region " + regionPos + " out of range");
+		if (!regionIsInRange(regionPosX, regionPosZ))
+			return null;
+			//throw new ArrayIndexOutOfBoundsException("Region " + regionPosX + " " + regionPosZ + " out of range");
 		else if (regions[xIndex][zIndex] == null)
-			throw new InvalidParameterException("Region " + regionPos + " not currently initialized");
+			return null;
+		//throw new InvalidParameterException("Region " + regionPosX + " " + regionPosZ + " not currently initialized");
+		return regions[xIndex][zIndex];
+	}
+
+	/**
+	 * Useful when needing to iterate over every region.
+	 */
+	public LodRegion getRegionByArrayIndex(int xIndex, int zIndex)
+	{
 		return regions[xIndex][zIndex];
 	}
 
@@ -310,7 +337,7 @@ public class LodDimension
 	public synchronized void addOrOverwriteRegion(LodRegion newRegion) throws ArrayIndexOutOfBoundsException
 	{
 		int xIndex = (newRegion.regionPosX - center.x) + halfWidth;
-		int zIndex = (center.z - newRegion.regionPosZ) + halfWidth;
+		int zIndex = (newRegion.regionPosZ - center.z) + halfWidth;
 
 		if (!regionIsInRange(newRegion.regionPosX, newRegion.regionPosZ))
 			// out of range
@@ -325,7 +352,7 @@ public class LodDimension
 	 */
 	public void treeCutter(int playerPosX, int playerPosZ)
 	{
-		ChunkPos newPlayerChunk = (new LevelPos((byte) 0, playerPosX, playerPosZ)).getChunkPos();
+		ChunkPos newPlayerChunk = new ChunkPos(LevelPosUtil.getChunkPos((byte) 0, playerPosX), LevelPosUtil.getChunkPos((byte) 0, playerPosZ));
 		if (lastCutChunk == null)
 			lastCutChunk = new ChunkPos(newPlayerChunk.x + 1, newPlayerChunk.z - 1);
 		if (newPlayerChunk.x != lastCutChunk.x || newPlayerChunk.z != lastCutChunk.z)
@@ -338,7 +365,6 @@ public class LodDimension
 				int minDistance;
 				byte detail;
 				byte levelToCut;
-				LevelPos levelPos = new LevelPos();
 
 				for (int x = 0; x < regions.length; x++)
 				{
@@ -351,13 +377,13 @@ public class LodDimension
 						//if this is not the case w
 						if (regions[x][z] != null)
 						{
-							levelPos.changeParameters(LodUtil.REGION_DETAIL_LEVEL, regionX, regionZ);
-							minDistance = levelPos.minDistance(playerPosX, playerPosZ);
-							detail = DetailDistanceUtil.getDistanceTreeCutInverse(minDistance);
+							minDistance = LevelPosUtil.minDistance(LodUtil.REGION_DETAIL_LEVEL, regionX, regionZ, playerPosX, playerPosZ);
+							detail = DetailDistanceUtil.getTreeCutDetailFromDistance(minDistance);
 							levelToCut = DetailDistanceUtil.getCutLodDetail(detail);
 							if (regions[x][z].getMinDetailLevel() > levelToCut)
 							{
 								regions[x][z].cutTree(levelToCut);
+								setupBuffer[x][z] = true;
 							}
 						}
 
@@ -375,7 +401,8 @@ public class LodDimension
 	public void treeGenerator(int playerPosX, int playerPosZ)
 	{
 		DistanceGenerationMode generationMode = LodConfig.CLIENT.worldGenerator.distanceGenerationMode.get();
-		ChunkPos newPlayerChunk = (new LevelPos((byte) 0, playerPosX, playerPosZ)).getChunkPos();
+		ChunkPos newPlayerChunk = new ChunkPos(LevelPosUtil.getChunkPos((byte) 0, playerPosX), LevelPosUtil.getChunkPos((byte) 0, playerPosZ));
+		VerticalQuality verticalQuality = LodConfig.CLIENT.worldGenerator.lodQualityMode.get();
 
 		if (lastGenChunk == null)
 			lastGenChunk = new ChunkPos(newPlayerChunk.x + 1, newPlayerChunk.z - 1);
@@ -390,42 +417,41 @@ public class LodDimension
 				int minDistance;
 				byte detail;
 				byte levelToGen;
-				LevelPos levelPos = new LevelPos();
 				for (int x = 0; x < regions.length; x++)
 				{
 					for (int z = 0; z < regions.length; z++)
 					{
 						regionX = (x + center.x) - halfWidth;
 						regionZ = (z + center.z) - halfWidth;
-						levelPos.changeParameters(LodUtil.REGION_DETAIL_LEVEL, regionX, regionZ);
 						final RegionPos regionPos = new RegionPos(regionX, regionZ);
 						region = regions[x][z];
 						//We require that the region we are checking is loaded with at least this level
 
-						levelPos.changeParameters(LodUtil.REGION_DETAIL_LEVEL, regionX, regionZ);
-						minDistance = levelPos.minDistance(playerPosX, playerPosZ);
-						detail = DetailDistanceUtil.getDistanceTreeGenInverse(minDistance);
+						minDistance = LevelPosUtil.minDistance(LodUtil.REGION_DETAIL_LEVEL, regionX, regionZ, playerPosX, playerPosZ);
+						detail = DetailDistanceUtil.getTreeGenDetailFromDistance(minDistance);
 						levelToGen = DetailDistanceUtil.getLodGenDetail(detail).detailLevel;
 						if (region == null || region.getGenerationMode() != generationMode)
 						{
 							//First case, region has to be initialized
 
 							//We check if there is a file at the target level
-							regions[x][z] = getRegionFromFile(regionPos, levelToGen, generationMode);
+							regions[x][z] = getRegionFromFile(regionPos, levelToGen, generationMode, verticalQuality);
 
 							//if there is no file we initialize the region
 							if (regions[x][z] == null)
 							{
-								regions[x][z] = new LodRegion(levelToGen, regionPos, generationMode);
+								regions[x][z] = new LodRegion(levelToGen, regionPos, generationMode, verticalQuality);
 							}
-							regen[x][z] = true;
+							regionNeedsRegen[x][z] = true;
 							regenDimension = true;
+							setupBuffer[x][z] = true;
 
 						} else if (region.getMinDetailLevel() > levelToGen)
 						{
 							//Second case, region has been initialized but at a higher level
 							//We expand the region by introducing the missing layer
 							region.expand(levelToGen);
+							setupBuffer[x][z] = true;
 						}
 					}
 				}
@@ -439,32 +465,31 @@ public class LodDimension
 	 * stored in the LOD. If an LOD already exists at the given
 	 * coordinates it will be overwritten.
 	 */
-	public synchronized Boolean addData(LevelPos levelPos, short[] lodDataPoint, boolean dontSave, boolean serverQuality)
+	public Boolean addData(byte detailLevel, int posX, int posZ, int verticalIndex, long data, boolean dontSave)
 	{
 
 		// don't continue if the region can't be saved
-		RegionPos regionPos = levelPos.getRegionPos();
-		if (!regionIsInRange(regionPos.x, regionPos.z))
-		{
+		int regionPosX = LevelPosUtil.getRegion(detailLevel, posX);
+		int regionPosZ = LevelPosUtil.getRegion(detailLevel, posZ);
+
+		LodRegion region = getRegion(regionPosX, regionPosZ);
+		if (region == null)
 			return false;
-		}
-
-		LodRegion region = getRegion(levelPos);
-
-		boolean nodeAdded = region.addData(levelPos, lodDataPoint, serverQuality);
+		boolean nodeAdded = region.addData(detailLevel, posX, posZ, verticalIndex, data);
 		// only save valid LODs to disk
 		if (!dontSave && fileHandler != null)
 		{
 			try
 			{
 				// mark the region as dirty so it will be saved to disk
-				int xIndex = (regionPos.x - center.x) + halfWidth;
-				int zIndex = (regionPos.z - center.z) + halfWidth;
+				int xIndex = (regionPosX - center.x) + halfWidth;
+				int zIndex = (regionPosZ - center.z) + halfWidth;
 				isRegionDirty[xIndex][zIndex] = true;
-				regen[xIndex][zIndex] = true;
+				regionNeedsRegen[xIndex][zIndex] = true;
 				regenDimension = true;
 			} catch (ArrayIndexOutOfBoundsException e)
 			{
+				e.printStackTrace();
 				// This method was probably called when the dimension was changing size.
 				// Hopefully this shouldn't be an issue.
 			}
@@ -472,10 +497,11 @@ public class LodDimension
 		return nodeAdded;
 	}
 
-	public void setToRegen(int xRegion, int zRegion){
+	public void setToRegen(int xRegion, int zRegion)
+	{
 		int xIndex = (xRegion - center.x) + halfWidth;
 		int zIndex = (zRegion - center.z) + halfWidth;
-		regen[xIndex][zIndex] = true;
+		regionNeedsRegen[xIndex][zIndex] = true;
 	}
 
 	/**
@@ -483,32 +509,97 @@ public class LodDimension
 	 *
 	 * @return list of quadTrees
 	 */
-	public void getDataToGenerate(ConcurrentMap<LevelPos, MutableBoolean> dataToGenerate, int playerPosX, int playerPosZ)
+	public PosToGenerateContainer getDataToGenerate(int maxDataToGenerate, int playerPosX, int playerPosZ)
 	{
-
-		int n = regions.length;
-		int xIndex;
-		int zIndex;
+		PosToGenerateContainer posToGenerate;
 		LodRegion region;
-		RegionPos regionPos;
-		for (int xRegion = 0; xRegion < n; xRegion++)
+		int x, z, dx, dz, t;
+		x = 0;
+		z = 0;
+		dx = 0;
+		dz = -1;
+		switch (LodConfig.CLIENT.worldGenerator.generationPriority.get())
 		{
-			for (int zRegion = 0; zRegion < n; zRegion++)
-			{
-				try
+			default:
+			case NEAR_FIRST:
+				posToGenerate = new PosToGenerateContainer((byte) 10, maxDataToGenerate, 0, playerPosX, playerPosZ);
+				int playerChunkX = LevelPosUtil.getChunkPos(LodUtil.BLOCK_DETAIL_LEVEL, playerPosX);
+				int playerChunkZ = LevelPosUtil.getChunkPos(LodUtil.BLOCK_DETAIL_LEVEL, playerPosZ);
+				int xChunkToCheck;
+				int zChunkToCheck;
+				byte detailLevel;
+				int posX;
+				int posZ;
+				long data;
+				int numbChunksWide = (width) * 32;
+				int circleLimit = Integer.MAX_VALUE;
+				for (int i = 0; i < numbChunksWide * numbChunksWide; i++)
 				{
-					xIndex = (xRegion + center.x) - halfWidth;
-					zIndex = (zRegion + center.z) - halfWidth;
-					regionPos = new RegionPos(xIndex, zIndex);
-					region = getRegion(regionPos);
-					region.getDataToGenerate(dataToGenerate, playerPosX, playerPosZ);
+					// use this for square generation
 
-				} catch (Exception e)
-				{
-					//e.printStackTrace();
+					// use this for circular generation
+					if (maxDataToGenerate < 0)
+					{
+						if (circleLimit < Math.abs(x) && circleLimit < Math.abs(z))
+							break;
+					} else if (maxDataToGenerate == 0)
+					{
+						maxDataToGenerate--;
+						circleLimit = (int) (Math.abs(x) * 1.41f);
+					}
+
+					xChunkToCheck = x + playerChunkX;
+					zChunkToCheck = z + playerChunkZ;
+					//distance = LevelPosUtil.maxDistance(LodUtil.CHUNK_DETAIL_LEVEL, xChunkToCheck, zChunkToCheck, playerChunkX, playerChunkZ);
+					region = getRegion(LodUtil.CHUNK_DETAIL_LEVEL, xChunkToCheck, zChunkToCheck);
+					if (region == null)
+						continue;
+					detailLevel = region.getMinDetailLevel();
+
+					posX = LevelPosUtil.convert(LodUtil.CHUNK_DETAIL_LEVEL, xChunkToCheck, detailLevel);
+					posZ = LevelPosUtil.convert(LodUtil.CHUNK_DETAIL_LEVEL, zChunkToCheck, detailLevel);
+					data = getSingleData(detailLevel, posX, posZ);
+					if (DataPointUtil.getGenerationMode(data) < LodConfig.CLIENT.worldGenerator.distanceGenerationMode.get().complexity)
+					{
+						posToGenerate.addPosToGenerate(detailLevel, posX, posZ);
+						if (maxDataToGenerate >= 0)
+							maxDataToGenerate--;
+					}
+					if ((x == z) || ((x < 0) && (x == -z)) || ((x > 0) && (x == 1 - z)))
+					{
+						t = dx;
+						dx = -dz;
+						dz = t;
+					}
+					x += dx;
+					z += dz;
 				}
-			}
+				break;
+			case FAR_FIRST:
+				posToGenerate = new PosToGenerateContainer((byte) 8, maxDataToGenerate, (int) (maxDataToGenerate * 0.25), playerPosX, playerPosZ);
+				int n = regions.length;
+				int xRegion;
+				int zRegion;
+
+				for (int i = 0; i < width * width; i++)
+				{
+					xRegion = x + center.x;
+					zRegion = z + center.z;
+					region = getRegion(xRegion, zRegion);
+					if (region != null)
+						region.getDataToGenerate(posToGenerate, playerPosX, playerPosZ);
+					if ((x == z) || ((x < 0) && (x == -z)) || ((x > 0) && (x == 1 - z)))
+					{
+						t = dx;
+						dx = -dz;
+						dz = t;
+					}
+					x += dx;
+					z += dz;
+				}
+				break;
 		}
+		return posToGenerate;
 	}
 
 	/**
@@ -516,33 +607,27 @@ public class LodDimension
 	 *
 	 * @return list of nodes
 	 */
-	public void getDataToRender(ConcurrentMap<LevelPos, MutableBoolean> dataToRender, RegionPos regionPos, int playerPosX, int playerPosZ)
+	public void getDataToRender(PosToRenderContainer posToRender, RegionPos regionPos, int playerPosX,
+	                            int playerPosZ)
 	{
-		try
-		{
-			LodRegion region = getRegion(regionPos);
-			region.getDataToRender(dataToRender, playerPosX, playerPosZ);
-		} catch (NullPointerException e)
-		{
-			System.out.println(regionPos);
-			e.printStackTrace();
-		} catch (Exception e)
-		{
-			//e.printStackTrace();
-		}
+		LodRegion region = getRegion(regionPos.x, regionPos.z);
+		if (region != null)
+			region.getDataToRender(posToRender, playerPosX, playerPosZ, LodConfig.CLIENT.worldGenerator.generationPriority.get() == GenerationPriority.NEAR_FIRST);
 	}
 
-	/**
-	 * Get the LodNodeData at the given X and Z coordinates
-	 * in this dimension.
-	 * <br>
-	 * Returns null if the LodChunk doesn't exist or
-	 * is outside the loaded area.
-	 */
-	public short[] getData(ChunkPos chunkPos)
+	public int getMaxVerticalData(byte detailLevel, int posX, int posZ)
 	{
-		LevelPos levelPos = new LevelPos(LodUtil.CHUNK_DETAIL_LEVEL, chunkPos.x, chunkPos.z);
-		return getData(levelPos);
+		if (detailLevel > LodUtil.REGION_DETAIL_LEVEL)
+			throw new IllegalArgumentException("getLodFromCoordinates given a level of \"" + detailLevel + "\" when \"" + LodUtil.REGION_DETAIL_LEVEL + "\" is the max.");
+
+		LodRegion region = getRegion(detailLevel, posX, posZ);
+
+		if (region == null)
+		{
+			return 0;
+		}
+
+		return region.getMaxVerticalData(detailLevel);
 	}
 
 	/**
@@ -552,26 +637,19 @@ public class LodDimension
 	 * Returns null if the LodChunk doesn't exist or
 	 * is outside the loaded area.
 	 */
-	public short[] getData(LevelPos levelPos)
+	public long getData(byte detailLevel, int posX, int posZ, int verticalIndex)
 	{
-		if (levelPos.detailLevel > LodUtil.REGION_DETAIL_LEVEL)
-			throw new IllegalArgumentException("getLodFromCoordinates given a level of \"" + levelPos.detailLevel + "\" when \"" + LodUtil.REGION_DETAIL_LEVEL + "\" is the max.");
+		if (detailLevel > LodUtil.REGION_DETAIL_LEVEL)
+			throw new IllegalArgumentException("getLodFromCoordinates given a level of \"" + detailLevel + "\" when \"" + LodUtil.REGION_DETAIL_LEVEL + "\" is the max.");
 
-		try
+		LodRegion region = getRegion(detailLevel, posX, posZ);
+
+		if (region == null)
 		{
-			LodRegion region = getRegion(levelPos);
-
-			if (region == null)
-			{
-				return null;
-			}
-
-			return region.getData(levelPos);
-
-		} catch (Exception e)
-		{
-			return null;
+			return DataPointUtil.EMPTY_DATA;
 		}
+
+		return region.getData(detailLevel, posX, posZ, verticalIndex);
 	}
 
 
@@ -582,50 +660,97 @@ public class LodDimension
 	 * Returns null if the LodChunk doesn't exist or
 	 * is outside the loaded area.
 	 */
-	public void updateData(LevelPos levelPos)
+	public long getSingleData(byte detailLevel, int posX, int posZ)
 	{
-		if (levelPos.detailLevel > LodUtil.REGION_DETAIL_LEVEL)
-			throw new IllegalArgumentException("getLodFromCoordinates given a level of \"" + levelPos.detailLevel + "\" when \"" + LodUtil.REGION_DETAIL_LEVEL + "\" is the max.");
+		if (detailLevel > LodUtil.REGION_DETAIL_LEVEL)
+			throw new IllegalArgumentException("getLodFromCoordinates given a level of \"" + detailLevel + "\" when \"" + LodUtil.REGION_DETAIL_LEVEL + "\" is the max.");
 
-		LodRegion region = getRegion(levelPos);
+		LodRegion region = getRegion(detailLevel, posX, posZ);
+
+		if (region == null)
+		{
+			return DataPointUtil.EMPTY_DATA;
+		}
+
+		return region.getSingleData(detailLevel, posX, posZ);
+	}
+
+	public void clear(byte detailLevel, int posX, int posZ)
+	{
+		if (detailLevel > LodUtil.REGION_DETAIL_LEVEL)
+			throw new IllegalArgumentException("getLodFromCoordinates given a level of \"" + detailLevel + "\" when \"" + LodUtil.REGION_DETAIL_LEVEL + "\" is the max.");
+
+		LodRegion region = getRegion(detailLevel, posX, posZ);
+
+		if (region == null)
+		{
+			return;
+		}
+
+		region.clear(detailLevel, posX, posZ);
+	}
+
+	public boolean isRegionToRegen(int xIndex, int zIndex)
+	{
+		return regionNeedsRegen[xIndex][zIndex];
+	}
+
+	public boolean isBufferToSetup(int xIndex, int zIndex)
+	{
+		return setupBuffer[xIndex][zIndex];
+	}
+
+	public void setRegenByArrayIndex(int xIndex, int zIndex, boolean newRegen)
+	{
+		regionNeedsRegen[xIndex][zIndex] = newRegen;
+	}
+
+	/**
+	 * Get the data point at the given X and Z coordinates
+	 * in this dimension.
+	 * <br>
+	 * Returns null if the LodChunk doesn't exist or
+	 * is outside the loaded area.
+	 */
+	public void updateData(byte detailLevel, int posX, int posZ)
+	{
+		if (detailLevel > LodUtil.REGION_DETAIL_LEVEL)
+			throw new IllegalArgumentException("getLodFromCoordinates given a level of \"" + detailLevel + "\" when \"" + LodUtil.REGION_DETAIL_LEVEL + "\" is the max.");
+
+		LodRegion region = getRegion(detailLevel, posX, posZ);
 
 
 		if (region == null)
 		{
 			return;
 		}
-		region.updateArea(levelPos);
+		region.updateArea(detailLevel, posX, posZ);
 	}
 
 	/**
 	 * return true if and only if the node at that position exist
 	 */
-	public boolean doesDataExist(LevelPos levelPos)
+	public boolean doesDataExist(byte detailLevel, int posX, int posZ)
 	{
-		try
-		{
-			LodRegion region = getRegion(levelPos);
+		LodRegion region = getRegion(detailLevel, posX, posZ);
 
-			if (region == null)
-			{
-				return false;
-			}
-
-			return region.doesDataExist(levelPos.clone());
-		} catch (Exception e)
+		if (region == null)
 		{
 			return false;
 		}
+
+		return region.doesDataExist(detailLevel, posX, posZ);
 	}
 
 	/**
 	 * Get the region at the given X and Z coordinates from the
 	 * RegionFileHandler.
 	 */
-	public LodRegion getRegionFromFile(RegionPos regionPos, byte detailLevel, DistanceGenerationMode generationMode)
+	public LodRegion getRegionFromFile(RegionPos regionPos, byte detailLevel, DistanceGenerationMode
+			                                                                          generationMode, VerticalQuality verticalQuality)
 	{
 		if (fileHandler != null)
-			return fileHandler.loadRegionFromFile(detailLevel, regionPos, generationMode);
+			return fileHandler.loadRegionFromFile(detailLevel, regionPos, generationMode, verticalQuality);
 		else
 			return null;
 	}
@@ -662,7 +787,9 @@ public class LodDimension
 		return center.z;
 	}
 
-
+	/**
+	 * returns the width of the dimension in regions
+	 */
 	public int getWidth()
 	{
 		if (regions != null)
@@ -677,6 +804,7 @@ public class LodDimension
 		}
 	}
 
+
 	public void setRegionWidth(int newWidth)
 	{
 		width = newWidth;
@@ -684,7 +812,8 @@ public class LodDimension
 
 		regions = new LodRegion[width][width];
 		isRegionDirty = new boolean[width][width];
-		regen = new boolean[width][width];
+		regionNeedsRegen = new boolean[width][width];
+		setupBuffer = new boolean[width][width];
 
 		// populate isRegionDirty
 		for (int i = 0; i < width; i++)
@@ -696,9 +825,6 @@ public class LodDimension
 	@Override
 	public String toString()
 	{
-		int regionX;
-		int regionZ;
-		LevelPos levelPos;
 		LodRegion region;
 
 		StringBuilder stringBuilder = new StringBuilder();
@@ -721,7 +847,31 @@ public class LodDimension
 			}
 			stringBuilder.append("\n");
 		}
-		System.out.println(stringBuilder);
 		return stringBuilder.toString();
 	}
+
+	public int getMemoryRequired(int x, int z, LodTemplate template)
+	{
+		/*return regions[x][z].getMinMemoryNeeded(template);*/
+
+		/*TODO add memory use calculated with the following cases
+		switch (LodConfig.CLIENT.graphics.detailDropOff.get())
+		{
+			default:
+			case BY_BLOCK:
+				break;
+			case BY_REGION_FANCY:
+				break;
+			case BY_REGION_FAST:
+		}*/
+		int minDistance = LevelPosUtil.minDistance(LodUtil.REGION_DETAIL_LEVEL, x, z, halfWidth, halfWidth);
+		int detail = DetailDistanceUtil.getTreeCutDetailFromDistance(minDistance);
+		int levelToGen = DetailDistanceUtil.getLodDrawDetail(detail);
+		int size = 1 << (LodUtil.REGION_DETAIL_LEVEL - levelToGen);
+		int maxVerticalData = DetailDistanceUtil.getMaxVerticalData(detail);
+		int numberOfLods = size * size * maxVerticalData;
+		int memoryUse = numberOfLods * template.getBufferMemoryForSingleLod(maxVerticalData);
+		System.out.println(detail + " " + memoryUse + " " + numberOfLods + " " + template.getBufferMemoryForSingleLod(maxVerticalData));
+		return memoryUse;
+	}
 }

src/main/java/com/seibel/lod/objects/LodRegion.java

@@ -1,15 +1,13 @@
 package com.seibel.lod.objects;
 
-import java.io.Serializable;
-import java.util.concurrent.ConcurrentMap;
 
-import org.apache.commons.lang3.mutable.MutableBoolean;
-
-import com.seibel.lod.builders.LodBuilder;
+import com.seibel.lod.config.LodConfig;
 import com.seibel.lod.enums.DistanceGenerationMode;
-import com.seibel.lod.objects.LevelPos.LevelPos;
-import com.seibel.lod.proxy.ClientProxy;
+import com.seibel.lod.enums.LodTemplate;
+import com.seibel.lod.enums.VerticalQuality;
+import com.seibel.lod.util.DataPointUtil;
 import com.seibel.lod.util.DetailDistanceUtil;
+import com.seibel.lod.util.LevelPosUtil;
 import com.seibel.lod.util.LodUtil;
 
 /**
@@ -19,148 +17,122 @@ import com.seibel.lod.util.LodUtil;
  * 0 for x, 1 for z in 2D
  * 0 for x, 1 for y, 2 for z in 3D
  */
-
-public class LodRegion implements Serializable
+public class LodRegion
 {
 	//x coord,
 	private byte minDetailLevel;
 	private static final byte POSSIBLE_LOD = 10;
-	private int numberOfPoints;
-	private DistanceGenerationMode generationMode;
+	//private int numberOfPoints;
 	//For each of the following field the first slot is for the level of detail
 	//Important: byte have a [-128, 127] range. When converting from or to int a 128 should be added or removed
 	//If there is a bug with color then it's probably caused by this.
 	//in the future other fields like transparency and light level could be added
-	private byte[][][][] colors;
 
-	private short[][][] height;
+	private LevelContainer[] dataContainer;
 
-	private short[][][] depth;
-
-	private boolean[][][] dataExistence;
 
+	private DistanceGenerationMode generationMode;
+	private VerticalQuality verticalQuality;
 
 	public final int regionPosX;
 	public final int regionPosZ;
 
-	public LodRegion(LevelContainer levelContainer, RegionPos regionPos, DistanceGenerationMode generationMode)
+	public LodRegion(RegionPos regionPos)
 	{
-		this.generationMode = generationMode;
+		this.minDetailLevel = LodUtil.REGION_DETAIL_LEVEL;
 		this.regionPosX = regionPos.x;
 		this.regionPosZ = regionPos.z;
-		this.minDetailLevel = levelContainer.detailLevel;
+		dataContainer = new LevelContainer[POSSIBLE_LOD];
+	}
 
-		//Array of matrices of arrays
-		colors = new byte[POSSIBLE_LOD][][][];
+	public LodRegion(byte minDetailLevel, RegionPos regionPos, DistanceGenerationMode generationMode, VerticalQuality verticalQuality)
+	{
+		this.minDetailLevel = minDetailLevel;
+		this.regionPosX = regionPos.x;
+		this.regionPosZ = regionPos.z;
+		this.verticalQuality = verticalQuality;
+		this.generationMode = generationMode;
+		dataContainer = new LevelContainer[POSSIBLE_LOD];
 
-		//Arrays of matrices
-		height = new short[POSSIBLE_LOD][][];
-		depth = new short[POSSIBLE_LOD][][];
-		dataExistence = new boolean[POSSIBLE_LOD][][];
 
-		colors[minDetailLevel] = levelContainer.colors;
-		height[minDetailLevel] = levelContainer.height;
-		depth[minDetailLevel] = levelContainer.depth;
-		dataExistence[minDetailLevel] = levelContainer.dataExistence;
-
-		//Initialize all the different matrices
-		for (byte lod = (byte) (minDetailLevel + 1); lod <= LodUtil.REGION_DETAIL_LEVEL; lod++)
+		// Initialize all the different matrices
+		for (byte lod = minDetailLevel; lod <= LodUtil.REGION_DETAIL_LEVEL; lod++)
 		{
-			int size = (short) Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - lod);
-			colors[lod] = new byte[size][size][3];
-			height[lod] = new short[size][size];
-			depth[lod] = new short[size][size];
-			dataExistence[lod] = new boolean[size][size];
-		}
-		int width;
-		LevelPos levelPos = new LevelPos();
-		for (byte tempLod = (byte) (minDetailLevel + 1); tempLod <= LodUtil.REGION_DETAIL_LEVEL; tempLod++)
-		{
-			width = 1 << (LodUtil.REGION_DETAIL_LEVEL - tempLod);
-			for (int x = 0; x < width; x++)
+			switch (verticalQuality)
 			{
-				for (int z = 0; z < width; z++)
-				{
-					levelPos.changeParameters(tempLod, x, z);
-					update(levelPos);
-				}
+				default:
+				case HEIGHTMAP:
+					dataContainer[lod] = new SingleLevelContainer(lod);
+					break;
+				case MULTI_LOD:
+					dataContainer[lod] = new VerticalLevelContainer(lod);
+					break;
 			}
 		}
 	}
 
-	public LodRegion(byte minDetailLevel, RegionPos regionPos, DistanceGenerationMode generationMode)
+	public VerticalQuality getLodQualityMode()
 	{
-		this.generationMode = generationMode;
-		this.minDetailLevel = minDetailLevel;
-		this.regionPosX = regionPos.x;
-		this.regionPosZ = regionPos.z;
+		return verticalQuality;
+	}
 
-		//Array of matrices of arrays
-		colors = new byte[POSSIBLE_LOD][][][];
+	public DistanceGenerationMode getGenerationMode()
+	{
+		return generationMode;
+	}
 
-		//Arrays of matrices
-		height = new short[POSSIBLE_LOD][][];
-		depth = new short[POSSIBLE_LOD][][];
-		dataExistence = new boolean[POSSIBLE_LOD][][];
-
-
-		//Initialize all the different matrices
-		for (byte lod = minDetailLevel; lod <= LodUtil.REGION_DETAIL_LEVEL; lod++)
-		{
-			int size = (short) Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - lod);
-			colors[lod] = new byte[size][size][3];
-			height[lod] = new short[size][size];
-			depth[lod] = new short[size][size];
-			dataExistence[lod] = new boolean[size][size];
-
-		}
+	public int getMaxVerticalData(byte detailLevel)
+	{
+		return dataContainer[detailLevel].getMaxVerticalData();
 	}
 
 	/**
 	 * This method can be used to insert data into the LodRegion
 	 *
-	 * @param levelPos
-	 * @param dataPoint
-	 * @return
+	 * @return if the data was added successfully
 	 */
-	public boolean addData(LevelPos levelPos, short[] dataPoint, boolean serverQuality)
+	public boolean addData(byte detailLevel, int posX, int posZ, int verticalIndex, long data)
 	{
-		levelPos.performRegionModule();
-		if (!doesDataExist(levelPos) || serverQuality)
-		{
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
 
-			//update the number of node present
-			if (this.dataExistence[levelPos.detailLevel][levelPos.posX][levelPos.posZ]) numberOfPoints++;
-
-			//add the node data
-			this.height[levelPos.detailLevel][levelPos.posX][levelPos.posZ] = DataPoint.getHeight(dataPoint);
-			this.depth[levelPos.detailLevel][levelPos.posX][levelPos.posZ] = DataPoint.getDepth(dataPoint);
-			this.colors[levelPos.detailLevel][levelPos.posX][levelPos.posZ][0] = (byte) (DataPoint.getRed(dataPoint) - 128);
-			this.colors[levelPos.detailLevel][levelPos.posX][levelPos.posZ][1] = (byte) (DataPoint.getGreen(dataPoint) - 128);
-			this.colors[levelPos.detailLevel][levelPos.posX][levelPos.posZ][2] = (byte) (DataPoint.getBlue(dataPoint) - 128);
-			this.dataExistence[levelPos.detailLevel][levelPos.posX][levelPos.posZ] = true;
-			return true;
-		} else
+		// For some reason the dataContainer can contain null entries
+		if (this.dataContainer[detailLevel] == null)
 		{
-			return false;
+			if (verticalQuality == VerticalQuality.HEIGHTMAP)
+				this.dataContainer[detailLevel] = new SingleLevelContainer(detailLevel);
+			else
+				this.dataContainer[detailLevel] = new VerticalLevelContainer(detailLevel);
 		}
+
+		this.dataContainer[detailLevel].addData(data, posX, posZ, verticalIndex);
+
+		return true;
 	}
 
 	/**
 	 * This method will return the data in the position relative to the level of detail
 	 *
-	 * @param levelPos
 	 * @return the data at the relative pos and level
 	 */
-	public short[] getData(LevelPos levelPos)
+	public long getData(byte detailLevel, int posX, int posZ, int verticalIndex)
 	{
-		levelPos = levelPos.getRegionModuleLevelPos();
-		return new short[]{height[levelPos.detailLevel][levelPos.posX][levelPos.posZ],
-				depth[levelPos.detailLevel][levelPos.posX][levelPos.posZ],
-				(short) (colors[levelPos.detailLevel][levelPos.posX][levelPos.posZ][0] + 128),
-				(short) (colors[levelPos.detailLevel][levelPos.posX][levelPos.posZ][1] + 128),
-				(short) (colors[levelPos.detailLevel][levelPos.posX][levelPos.posZ][2] + 128)
-		};
+		return dataContainer[detailLevel].getData(posX, posZ, verticalIndex);
+	}
+
+	/**
+	 * This method will return the data in the position relative to the level of detail
+	 *
+	 * @return the data at the relative pos and level
+	 */
+	public long getSingleData(byte detailLevel, int posX, int posZ)
+	{
+		return dataContainer[detailLevel].getSingleData(posX, posZ);
+	}
+
+	public void clear(byte detailLevel, int posX, int posZ)
+	{
+		dataContainer[detailLevel].clear(posX, posZ);
 	}
 
 	/**
@@ -168,47 +140,36 @@ public class LodRegion implements Serializable
 	 *
 	 * @return
 	 */
-	public void getDataToGenerate(ConcurrentMap<LevelPos, MutableBoolean> dataToGenerate, int playerPosX, int playerPosZ)
+	public void getDataToGenerate(PosToGenerateContainer posToGenerate, int playerPosX, int playerPosZ)
 	{
-		LevelPos levelPos = new LevelPos(LodUtil.REGION_DETAIL_LEVEL, 0, 0);
-		getDataToGenerate(dataToGenerate, levelPos, playerPosX, playerPosZ);
+		getDataToGenerate(posToGenerate, LodUtil.REGION_DETAIL_LEVEL, 0, 0, playerPosX, playerPosZ);
 
 	}
 
-	private void getDataToGenerate(ConcurrentMap<LevelPos, MutableBoolean> dataToGenerate, LevelPos levelPos, int playerPosX, int playerPosZ)
+	private void getDataToGenerate(PosToGenerateContainer posToGenerate, byte detailLevel, int posX, int posZ, int playerPosX, int playerPosZ)
 	{
-		int size = 1 << (LodUtil.REGION_DETAIL_LEVEL - levelPos.detailLevel);
+		int size = 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel);
 
 		//here i calculate the the LevelPos is in range
 		//This is important to avoid any kind of hole in the generation
-		int minDistance = levelPos.minDistance(playerPosX, playerPosZ, regionPosX, regionPosZ);
+		//nt minDistance = LevelPosUtil.minDistance(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size, playerPosX, playerPosZ);
+		int maxDistance = LevelPosUtil.maxDistance(detailLevel, posX, posZ, playerPosX, playerPosZ, regionPosX, regionPosZ);
 
-
-		int posX = levelPos.posX;
-		int posZ = levelPos.posZ;
-		byte detailLevel = levelPos.detailLevel;
 		byte childDetailLevel = (byte) (detailLevel - 1);
 		int childPosX = posX * 2;
 		int childPosZ = posZ * 2;
 
 		int childSize = 1 << (LodUtil.REGION_DETAIL_LEVEL - childDetailLevel);
 		//we have reached the target detail level
-
-		if (DetailDistanceUtil.getDistanceGenerationInverse(minDistance) > detailLevel)
+		byte targetDetailLevel = DetailDistanceUtil.getLodGenDetail(DetailDistanceUtil.getGenerationDetailFromDistance(maxDistance)).detailLevel;
+		if (targetDetailLevel > detailLevel)
 		{
 			return;
-		} else if (DetailDistanceUtil.getDistanceGenerationInverse(minDistance) == detailLevel)
+		} else if (targetDetailLevel == detailLevel)
 		{
-			if (!doesDataExist(levelPos))
+			if (!doesDataExist(detailLevel, posX, posZ))
 			{
-				levelPos.changeParameters(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size);
-				if (dataToGenerate.containsKey(levelPos))
-				{
-					dataToGenerate.get(levelPos).setTrue();
-				} else
-				{
-					dataToGenerate.put(levelPos.clone(), new MutableBoolean(true));
-				}
+				posToGenerate.addPosToGenerate(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size);
 			}
 		} else
 		{
@@ -221,19 +182,11 @@ public class LodRegion implements Serializable
 				{
 					for (int z = 0; z <= 1; z++)
 					{
-						levelPos.changeParameters((byte) (detailLevel - 1), childPosX + x, childPosZ + z);
 
-						if (!doesDataExist(levelPos))
+						if (!doesDataExist(childDetailLevel, childPosX + x, childPosZ + z))
 						{
 							num++;
-							levelPos.changeParameters((byte) (detailLevel - 1), childPosX + x + regionPosX * childSize, childPosZ + z + regionPosZ * childSize);
-							if (dataToGenerate.containsKey(levelPos))
-							{
-								dataToGenerate.get(levelPos).setTrue();
-							} else
-							{
-								dataToGenerate.put(levelPos.clone(), new MutableBoolean(true));
-							}
+							posToGenerate.addPosToGenerate(childDetailLevel, childPosX + x + regionPosX * childSize, childPosZ + z + regionPosZ * childSize);
 						}
 					}
 				}
@@ -245,8 +198,7 @@ public class LodRegion implements Serializable
 					{
 						for (int z = 0; z <= 1; z++)
 						{
-							levelPos.changeParameters((byte) (detailLevel - 1), childPosX + x, childPosZ + z);
-							getDataToGenerate(dataToGenerate, levelPos, playerPosX, playerPosZ);
+							getDataToGenerate(posToGenerate, childDetailLevel, childPosX + x, childPosZ + z, playerPosX, playerPosZ);
 						}
 					}
 				}
@@ -255,21 +207,12 @@ public class LodRegion implements Serializable
 			{
 				if (DetailDistanceUtil.getLodGenDetail(childDetailLevel).detailLevel <= (childDetailLevel))
 				{
-					levelPos.changeParameters(detailLevel, posX, posZ);
-					levelPos.convert(childDetailLevel);
-					if (!doesDataExist(levelPos))
+					if (!doesDataExist(childDetailLevel, childPosX, childPosZ))
 					{
-						levelPos.changeParameters(levelPos.detailLevel, levelPos.posX + regionPosX * childSize, levelPos.posZ + regionPosZ * childSize);
-						if (dataToGenerate.containsKey(levelPos))
-						{
-							dataToGenerate.get(levelPos).setTrue();
-						} else
-						{
-							dataToGenerate.put(levelPos.clone(), new MutableBoolean(true));
-						}
+						posToGenerate.addPosToGenerate(childDetailLevel, childPosX + regionPosX * childSize, childPosZ + regionPosZ * childSize);
 					} else
 					{
-						getDataToGenerate(dataToGenerate, levelPos, playerPosX, playerPosZ);
+						getDataToGenerate(posToGenerate, childDetailLevel, childPosX, childPosZ, playerPosX, playerPosZ);
 					}
 				}
 			}
@@ -280,219 +223,180 @@ public class LodRegion implements Serializable
 	/**
 	 * @return
 	 */
-	public void getDataToRender(ConcurrentMap<LevelPos, MutableBoolean> dataToRender, int playerPosX, int playerPosZ)
+	public void getDataToRender(PosToRenderContainer posToRender, int playerPosX, int playerPosZ, boolean requireCorrectDetailLevel)
 	{
-		LevelPos levelPos = new LevelPos(LodUtil.REGION_DETAIL_LEVEL, 0, 0);
-		getDataToRender(dataToRender, levelPos, playerPosX, playerPosZ);
+		getDataToRender(posToRender, LodUtil.REGION_DETAIL_LEVEL, 0, 0, playerPosX, playerPosZ, requireCorrectDetailLevel);
 	}
 
 	/**
 	 * @return
 	 */
-	private void getDataToRender(ConcurrentMap<LevelPos, MutableBoolean> dataToRender, LevelPos levelPos, int playerPosX, int playerPosZ)
+	private void getDataToRender(PosToRenderContainer posToRender, byte detailLevel, int posX, int posZ, int playerPosX, int playerPosZ, boolean requireCorrectDetailLevel)
 	{
-		int size = 1 << (LodUtil.REGION_DETAIL_LEVEL - levelPos.detailLevel);
-
-		int posX = levelPos.posX;
-		int posZ = levelPos.posZ;
-		byte detailLevel = levelPos.detailLevel;
+		int size = 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel);
 
 		//here i calculate the the LevelPos is in range
 		//This is important to avoid any kind of hole in the rendering
-		int maxDistance = levelPos.maxDistance(playerPosX, playerPosZ, regionPosX, regionPosZ);
-
-		byte supposedLevel = DetailDistanceUtil.getLodDrawDetail(DetailDistanceUtil.getDistanceRenderingInverse(maxDistance));
-		if (supposedLevel > detailLevel)
-			return;
-		else if (supposedLevel == detailLevel)
+		byte supposedLevel;
+		int maxDistance;
+		boolean stopNow = false;
+		int minDistance;
+		int childLevel;
+		switch (LodConfig.CLIENT.graphics.detailDropOff.get())
 		{
-			if (dataToRender.containsKey(levelPos))
-			{
-				levelPos.changeParameters(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size);
-				try
+			default:
+			case BY_CHUNK:
+				maxDistance = LevelPosUtil.maxDistance(detailLevel, posX, posZ, playerPosX, playerPosZ, regionPosX, regionPosZ);
+				supposedLevel = DetailDistanceUtil.getLodDrawDetail(DetailDistanceUtil.getDrawDetailFromDistance(maxDistance));
+				minDistance = LevelPosUtil.minDistance(detailLevel, posX, posZ, playerPosX, playerPosZ, regionPosX, regionPosZ);
+				childLevel = DetailDistanceUtil.getLodDrawDetail(DetailDistanceUtil.getDrawDetailFromDistance(minDistance));
+				stopNow = detailLevel == childLevel - 1;
+
+				break;
+			case BY_REGION_FANCY:
+				supposedLevel = minDetailLevel;
+				break;
+			case BY_REGION_FAST:
+				int playerRegionX = LevelPosUtil.getRegion(LodUtil.BLOCK_DETAIL_LEVEL, playerPosX);
+				int playerRegionZ = LevelPosUtil.getRegion(LodUtil.BLOCK_DETAIL_LEVEL, playerPosZ);
+				if (playerRegionX == regionPosX && playerRegionZ == regionPosZ)
 				{
-					dataToRender.get(levelPos).setTrue();
-				}catch (Exception e){
-					/*TODO Fix this exception*/
-					// This seems to happen more often when using an elytra in an amplified world
-					// maybe it has something to do with the dimensions moving?
-					ClientProxy.LOGGER.error("getDataToRender had a error at " + levelPos.getRegionPos() + ". Exception: " + e.getMessage());
-					dataToRender.put(new LevelPos(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size), new MutableBoolean(true));
+					maxDistance = LevelPosUtil.maxDistance(detailLevel, posX, posZ, playerPosX, playerPosZ, regionPosX, regionPosZ);
+					supposedLevel = DetailDistanceUtil.getLodDrawDetail(DetailDistanceUtil.getDrawDetailFromDistance(maxDistance));
+					minDistance = LevelPosUtil.minDistance(detailLevel, posX, posZ, playerPosX, playerPosZ, regionPosX, regionPosZ);
+					childLevel = DetailDistanceUtil.getLodDrawDetail(DetailDistanceUtil.getDrawDetailFromDistance(minDistance));
+					stopNow = detailLevel == childLevel - 1;
+				} else
+				{
+					maxDistance = LevelPosUtil.maxDistance(LodUtil.REGION_DETAIL_LEVEL, regionPosX, regionPosZ, playerRegionX * 512 + 256, playerRegionZ * 512 + 256);
+					supposedLevel = DetailDistanceUtil.getLodDrawDetail(DetailDistanceUtil.getDrawDetailFromDistance(maxDistance));
 				}
-			} else
-			{
-				dataToRender.put(new LevelPos(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size), new MutableBoolean(true));
-			}
+				break;
+		}
+
+		if (stopNow)
+		{
+			posToRender.addPosToRender(detailLevel,
+					posX + regionPosX * size,
+					posZ + regionPosZ * size);
+		} else if (supposedLevel > detailLevel)
+		{
+			return;
+		} else if (supposedLevel == detailLevel)
+		{
+			posToRender.addPosToRender(detailLevel,
+					posX + regionPosX * size,
+					posZ + regionPosZ * size);
 		} else //case where (detailLevel > supposedLevel)
 		{
 			int childPosX = posX * 2;
 			int childPosZ = posZ * 2;
+			byte childDetailLevel = (byte) (detailLevel - 1);
 			int childrenCount = 0;
 			for (int x = 0; x <= 1; x++)
 			{
 				for (int z = 0; z <= 1; z++)
 				{
-					levelPos.changeParameters((byte) (detailLevel - 1), childPosX + x, childPosZ + z);
-					if (doesDataExist(levelPos)) childrenCount++;
+					if (doesDataExist(childDetailLevel, childPosX + x, childPosZ + z))
+					{
+						if (!requireCorrectDetailLevel)
+						{
+							childrenCount++;
+						} else
+						{
+							getDataToRender(posToRender, childDetailLevel, childPosX + x, childPosZ + z, playerPosX, playerPosZ, requireCorrectDetailLevel);
+						}
+					}
 				}
 			}
 
 			//If all the four children exist we go deeper
-			if (childrenCount == 4)
-			{
-				for (int x = 0; x <= 1; x++)
-				{
-					for (int z = 0; z <= 1; z++)
-					{
-						levelPos.changeParameters((byte) (detailLevel - 1), childPosX + x, childPosZ + z);
-						getDataToRender(dataToRender, levelPos, playerPosX, playerPosZ);
-					}
-				}
-			} else
-			{
 
-				levelPos.changeParameters(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size);
-				if (dataToRender.containsKey(levelPos))
+			if (!requireCorrectDetailLevel)
+			{
+				if (childrenCount == 4)
 				{
-					if (dataToRender.get(levelPos) == null)
-						dataToRender.replace(levelPos, new MutableBoolean());
-					dataToRender.get(levelPos).setTrue();
+					for (int x = 0; x <= 1; x++)
+					{
+						for (int z = 0; z <= 1; z++)
+						{
+							getDataToRender(posToRender, childDetailLevel, childPosX + x, childPosZ + z, playerPosX, playerPosZ, requireCorrectDetailLevel);
+						}
+					}
 				} else
 				{
-					dataToRender.put(new LevelPos(detailLevel, posX + regionPosX * size, posZ + regionPosZ * size), new MutableBoolean(true));
+					posToRender.addPosToRender(detailLevel,
+							posX + regionPosX * size,
+							posZ + regionPosZ * size);
 				}
 			}
 		}
 	}
 
-
 	/**
-	 * @param levelPos
+	 *
 	 */
-	public void updateArea(LevelPos levelPos)
+	public void updateArea(byte detailLevel, int posX, int posZ)
 	{
 		int width;
 		int startX;
 		int startZ;
-		byte detailLevel = levelPos.detailLevel;
-		int posX = levelPos.posX;
-		int posZ = levelPos.posZ;
 		for (byte bottom = (byte) (minDetailLevel + 1); bottom <= detailLevel; bottom++)
 		{
-			levelPos.convert(bottom);
-			startX = levelPos.posX;
-			startZ = levelPos.posZ;
+			startX = LevelPosUtil.convert(detailLevel, posX, bottom);
+			startZ = LevelPosUtil.convert(detailLevel, posZ, bottom);
 			width = 1 << (detailLevel - bottom);
 			for (int x = 0; x < width; x++)
 			{
 				for (int z = 0; z < width; z++)
 				{
-					levelPos.changeParameters(bottom, startX + x, startZ + z);
-					update(levelPos);
+					update(bottom, startX + x, startZ + z);
 				}
 			}
-			levelPos.changeParameters(detailLevel, posX, posZ);
 		}
-		for (byte tempLod = (byte) (detailLevel + 1); tempLod <= LodUtil.REGION_DETAIL_LEVEL; tempLod++)
+		for (byte up = (byte) (detailLevel + 1); up <= LodUtil.REGION_DETAIL_LEVEL; up++)
 		{
-			levelPos.convert(tempLod);
-			update(levelPos);
+			update(up,
+					LevelPosUtil.convert(detailLevel, posX, up),
+					LevelPosUtil.convert(detailLevel, posZ, up));
 		}
 	}
 
 	/**
-	 * @param levelPos
+	 *
 	 */
-	private void update(LevelPos levelPos)
+	private void update(byte detailLevel, int posX, int posZ)
 	{
-		levelPos.performRegionModule();
-		int numberOfChildren = 0;
-		int numberOfVoidChildren = 0;
-
-		int tempRed = 0;
-		int tempGreen = 0;
-		int tempBlue = 0;
-		int tempHeight = 0;
-		int tempDepth = 0;
-		int newPosX;
-		int newPosZ;
-		byte newDetailLevel;
-		int detailLevel = levelPos.detailLevel;
-		int posX = levelPos.posX;
-		int posZ = levelPos.posZ;
-		for (int x = 0; x <= 1; x++)
-		{
-			for (int z = 0; z <= 1; z++)
-			{
-				newPosX = 2 * posX + x;
-				newPosZ = 2 * posZ + z;
-				newDetailLevel = (byte) (detailLevel - 1);
-				levelPos.changeParameters(newDetailLevel, newPosX, newPosZ);
-				if (doesDataExist(levelPos))
-				{
-					if (height[newDetailLevel][newPosX][newPosZ] != LodBuilder.DEFAULT_HEIGHT
-							    && depth[newDetailLevel][newPosX][newPosZ] != LodBuilder.DEFAULT_DEPTH)
-					{
-						numberOfChildren++;
-
-						tempRed += colors[newDetailLevel][newPosX][newPosZ][0];
-						tempGreen += colors[newDetailLevel][newPosX][newPosZ][1];
-						tempBlue += colors[newDetailLevel][newPosX][newPosZ][2];
-						tempHeight += height[newDetailLevel][newPosX][newPosZ];
-						tempDepth += depth[newDetailLevel][newPosX][newPosZ];
-					} else
-					{
-						// void children have the default height (most likely -1)
-						// and represent a LOD with no blocks in it
-						numberOfVoidChildren++;
-					}
-				}
-			}
-		}
-
-		if (numberOfChildren > 0)
-		{
-			colors[detailLevel][posX][posZ][0] = (byte) (tempRed / numberOfChildren);
-			colors[detailLevel][posX][posZ][1] = (byte) (tempGreen / numberOfChildren);
-			colors[detailLevel][posX][posZ][2] = (byte) (tempBlue / numberOfChildren);
-			height[detailLevel][posX][posZ] = (short) (tempHeight / numberOfChildren);
-			depth[detailLevel][posX][posZ] = (short) (tempDepth / numberOfChildren);
-			dataExistence[detailLevel][posX][posZ] = true;
-		} else if (numberOfVoidChildren > 0)
-		{
-			colors[detailLevel][posX][posZ][0] = (byte) 0;
-			colors[detailLevel][posX][posZ][1] = (byte) 0;
-			colors[detailLevel][posX][posZ][2] = (byte) 0;
-
-			height[detailLevel][posX][posZ] = LodBuilder.DEFAULT_HEIGHT;
-			depth[detailLevel][posX][posZ] = LodBuilder.DEFAULT_DEPTH;
-
-			dataExistence[detailLevel][posX][posZ] = true;
-		}
+		dataContainer[detailLevel].updateData(dataContainer[detailLevel - 1], posX, posZ);
 	}
 
+
 	/**
-	 * @param levelPos
 	 * @return
 	 */
-	public boolean doesDataExist(LevelPos levelPos)
+	public boolean doesDataExist(byte detailLevel, int posX, int posZ)
 	{
-		try
-		{
-			levelPos = levelPos.getRegionModuleLevelPos();
-			return dataExistence[levelPos.detailLevel][levelPos.posX][levelPos.posZ];
-		} catch (NullPointerException e)
-		{
+		if (detailLevel < minDetailLevel) return false;
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		if (dataContainer == null || dataContainer[detailLevel] == null)
 			return false;
-		}
+		return dataContainer[detailLevel].doesItExist(posX, posZ);
 	}
 
 	/**
 	 * @return
 	 */
-	public DistanceGenerationMode getGenerationMode()
+	public byte getGenerationMode(byte detailLevel, int posX, int posZ)
 	{
-		return generationMode;
+		if (dataContainer[detailLevel].doesItExist(posX, posZ))
+		{
+			//We take the bottom information always
+			return DataPointUtil.getGenerationMode(dataContainer[detailLevel].getSingleData(posX, posZ));
+		} else
+		{
+			return DistanceGenerationMode.NONE.complexity;
+		}
 	}
 
 	public byte getMinDetailLevel()
@@ -512,7 +416,7 @@ public class LodRegion implements Serializable
 		{
 			throw new IllegalArgumentException("getLevel asked for a level that does not exist: minimum " + minDetailLevel + " level requested " + detailLevel);
 		}
-		return new LevelContainer(detailLevel, colors[detailLevel], height[detailLevel], depth[detailLevel], dataExistence[detailLevel]);
+		return dataContainer[detailLevel];
 	}
 
 	/**
@@ -520,15 +424,12 @@ public class LodRegion implements Serializable
 	 */
 	public void addLevel(LevelContainer levelContainer)
 	{
-		if (levelContainer.detailLevel < minDetailLevel - 1)
+		if (levelContainer.getDetailLevel() < minDetailLevel - 1)
 		{
 			throw new IllegalArgumentException("addLevel requires a level that is at least the minimum level of the region -1 ");
 		}
-		if (levelContainer.detailLevel == minDetailLevel - 1) minDetailLevel = levelContainer.detailLevel;
-		colors[levelContainer.detailLevel] = levelContainer.colors;
-		height[levelContainer.detailLevel] = levelContainer.height;
-		depth[levelContainer.detailLevel] = levelContainer.depth;
-		dataExistence[levelContainer.detailLevel] = levelContainer.dataExistence;
+		if (levelContainer.getDetailLevel() == minDetailLevel - 1) minDetailLevel = levelContainer.getDetailLevel();
+		dataContainer[levelContainer.getDetailLevel()] = levelContainer;
 
 	}
 
@@ -541,10 +442,7 @@ public class LodRegion implements Serializable
 		{
 			for (byte tempLod = 0; tempLod < detailLevel; tempLod++)
 			{
-				colors[tempLod] = new byte[0][0][0];
-				height[tempLod] = new short[0][0];
-				depth[tempLod] = new short[0][0];
-				dataExistence[tempLod] = new boolean[0][0];
+				dataContainer[tempLod] = null;
 			}
 			minDetailLevel = detailLevel;
 		}
@@ -557,13 +455,13 @@ public class LodRegion implements Serializable
 	{
 		if (detailLevel < minDetailLevel)
 		{
-			for (byte tempLod = detailLevel; tempLod < minDetailLevel; tempLod++)
+			for (byte tempLod = (byte) (minDetailLevel - 1); tempLod >= detailLevel; tempLod--)
 			{
-				int size = (short) Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - tempLod);
-				colors[tempLod] = new byte[size][size][3];
-				height[tempLod] = new short[size][size];
-				depth[tempLod] = new short[size][size];
-				dataExistence[tempLod] = new boolean[size][size];
+				if (dataContainer[tempLod + 1] == null)
+				{
+					dataContainer[tempLod + 1] = new SingleLevelContainer((byte) (tempLod + 1));
+				}
+				dataContainer[tempLod] = dataContainer[tempLod + 1].expand();
 			}
 			minDetailLevel = detailLevel;
 		}
@@ -579,8 +477,10 @@ public class LodRegion implements Serializable
 
 	/**
 	 * return needed memory in byte
+	 *
+	 * @param template
 	 */
-	public int getMinMemoryNeeded()
+	public int getMinMemoryNeeded(LodTemplate template)
 	{
 		int count = 0;
 		for (byte tempLod = LodUtil.REGION_DETAIL_LEVEL; tempLod > minDetailLevel; tempLod--)
@@ -588,7 +488,7 @@ public class LodRegion implements Serializable
 			//i'm doing a upper limit of the minimum
 			//Color should be just 3 byte but i'm gonna calculate as 12 byte
 			//Height and depth should be just 4 byte but i'm gonna calculate as 8 byte
-			count += Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - tempLod) * (8 + 3 + 2 + 2 + 1);
+			count += dataContainer[tempLod].getMaxMemoryUse() * template.getBufferMemoryForSingleLod(dataContainer[tempLod].getMaxVerticalData());
 			//count += Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - tempLod) * (24 + 8 + 8 + 8 + 8);
 		}
 		return count;
@@ -599,4 +499,12 @@ public class LodRegion implements Serializable
 	{
 		return getLevel(LodUtil.REGION_DETAIL_LEVEL).toString();
 	}
+
+	public int getNumberOfLods()
+	{
+		int count = 0;
+		for (LevelContainer container : dataContainer)
+			count += container.getMaxNumberOfLods();
+		return count;
+	}
 }

src/main/java/com/seibel/lod/objects/PosToGenerateContainer.java

@@ -1,6 +1,6 @@
 package com.seibel.lod.objects;
 
-import org.lwjgl.system.CallbackI;
+import com.seibel.lod.util.LevelPosUtil;
 
 public class PosToGenerateContainer
 {
@@ -12,90 +12,119 @@ public class PosToGenerateContainer
 	private int maxFarSize;
 	private int nearSize;
 	private int farSize;
-	private int[][] posToGenerate;
+	private int[][] nearPosToGenerate;
+	private int[][] farPosToGenerate;
+
 
 	public PosToGenerateContainer(byte farMinDetail, int maxDataToGenerate, int maxFarDataToGenerate, int playerPosX, int playerPosZ)
 	{
 		this.playerPosX = playerPosX;
 		this.playerPosZ = playerPosZ;
 		this.farMinDetail = farMinDetail;
-		maxNearSize = maxDataToGenerate;
+		maxNearSize = maxDataToGenerate-maxFarDataToGenerate;
 		maxFarSize = maxFarDataToGenerate;
 		maxSize = maxDataToGenerate;
 		nearSize = 0;
 		farSize = 0;
-		posToGenerate = new int[maxDataToGenerate][4];
-	}
-
-	public void addPosToGenerate(int[] levelPos)
-	{
-		addPosToGenerate(LevelPosUtil.getDetailLevel(levelPos), LevelPosUtil.getPosX(levelPos), LevelPosUtil.getPosZ(levelPos));
+		nearPosToGenerate = new int[maxDataToGenerate][4];
+		farPosToGenerate = new int[maxDataToGenerate][4];
 	}
 
 	public void addPosToGenerate(byte detailLevel, int posX, int posZ)
 	{
 		int distance = LevelPosUtil.minDistance(detailLevel, posX, posZ, playerPosX, playerPosZ);
 		int index;
-		int[] tempPos = new int[]{
-				detailLevel,
-				posX,
-				posZ,
-				distance};
 		if (detailLevel >= farMinDetail)
 		{//We are introducing a position in the far array
-			if (farSize < maxFarSize)
-			{
-				farSize++;
-				if (nearSize == maxNearSize)
-				{
-					nearSize--;
-				}
-				maxNearSize--;
-			}
-			index = posToGenerate.length - farSize;
-			while (index < posToGenerate.length - 1 && LevelPosUtil.compareLevelAndDistance(tempPos, posToGenerate[index + 1]) <= 0)
-			{
-				posToGenerate[index] = posToGenerate[index + 1];
-				index++;
-			}
-			if (index <= posToGenerate.length - 1)
-				posToGenerate[index] = tempPos;
-		} else
-		{//We are introducing a position in the near array
-			if (nearSize < maxNearSize)
-				nearSize++;
-			index = nearSize - 1;
 
-			while (index > 0 && LevelPosUtil.compareDistance(tempPos, posToGenerate[index - 1]) <= 0)
+			if(farSize < farPosToGenerate.length)
+				farSize++;
+			index = farSize;
+			//while (index > 0 && LevelPosUtil.compareDistance(distance, farPosToGenerate[index - 1][3]) <= 0)
+			while (index > 0 && LevelPosUtil.compareDistance(distance, farPosToGenerate[index - 1][3]) <= 0)
 			{
-				posToGenerate[index] = posToGenerate[index - 1];
+				farPosToGenerate[index][0] = farPosToGenerate[index - 1][0];
+				farPosToGenerate[index][1] = farPosToGenerate[index - 1][1];
+				farPosToGenerate[index][2] = farPosToGenerate[index - 1][2];
+				farPosToGenerate[index][3] = farPosToGenerate[index - 1][3];
 				index--;
 			}
-			if (index >= 0)
-				posToGenerate[index] = tempPos;
+			if (index != farSize-1 || farSize != farPosToGenerate.length)
+			{
+				farPosToGenerate[index][0] = detailLevel + 1;
+				farPosToGenerate[index][1] = posX;
+				farPosToGenerate[index][2] = posZ;
+				farPosToGenerate[index][3] = distance;
+			}
+		} else
+		{//We are introducing a position in the near array
+			if(nearSize < nearPosToGenerate.length)
+				nearSize++;
+			index = nearSize-1;
+			while (index > 0 && LevelPosUtil.compareDistance(distance, nearPosToGenerate[index - 1][3]) <= 0)
+			{
+				nearPosToGenerate[index][0] = nearPosToGenerate[index - 1][0];
+				nearPosToGenerate[index][1] = nearPosToGenerate[index - 1][1];
+				nearPosToGenerate[index][2] = nearPosToGenerate[index - 1][2];
+				nearPosToGenerate[index][3] = nearPosToGenerate[index - 1][3];
+				index--;
+			}
+			if (index != nearSize-1 || nearSize != nearPosToGenerate.length)
+			{
+				nearPosToGenerate[index][0] = detailLevel + 1;
+				nearPosToGenerate[index][1] = posX;
+				nearPosToGenerate[index][2] = posZ;
+				nearPosToGenerate[index][3] = distance;
+			}
 		}
 	}
 
-
 	public int getNumberOfPos()
 	{
-		return farSize + nearSize;
+		return nearSize+farSize;
 	}
 
-	public int[] getNthPos(int n)
+	public int getNumberOfNearPos()
 	{
-		int index;
-		if (n > farSize * 2)
-			index = n - farSize;
-		else if (n % 2 == 0)
-			index = n / 2;
+		return nearSize;
+	}
+
+	public int getNumberOfFarPos()
+	{
+		return farSize;
+	}
+
+	public int getNthDetail(int n, boolean near)
+	{
+		if (near)
+			return nearPosToGenerate[n][0];
 		else
-			index = posToGenerate.length - n / 2 - 1;
-		return posToGenerate[index];
+			return farPosToGenerate[n][0];
+	}
+	public int getNthPosX(int n, boolean near)
+	{
+		if (near)
+			return nearPosToGenerate[n][1];
+		else
+			return farPosToGenerate[n][1];
+	}
+	public int getNthPosZ(int n, boolean near)
+	{
+		if (near)
+			return nearPosToGenerate[n][2];
+		else
+			return farPosToGenerate[n][2];
+	}
+	public int getNthGeneration(int n, boolean near)
+	{
+		if (near)
+			return nearPosToGenerate[n][3];
+		else
+			return farPosToGenerate[n][3];
 	}
 
 	public String toString()
-	{
+	{/*
 		StringBuilder builder = new StringBuilder();
 		builder.append("Number of pos to generate ");
 		builder.append(farSize + nearSize);
@@ -111,7 +140,7 @@ public class PosToGenerateContainer
 		builder.append('\n');
 		for (int i = 0; i < nearSize; i++)
 		{
-			builder.append(posToGenerate[i][0]);
+			builder.append(posToGenerate[i][0]-1);
 			builder.append(" ");
 			builder.append(posToGenerate[i][1]);
 			builder.append(" ");
@@ -125,7 +154,7 @@ public class PosToGenerateContainer
 		builder.append('\n');
 		for (int i = maxSize - 1; i >= maxSize - farSize; i--)
 		{
-			builder.append(posToGenerate[i][0]);
+			builder.append(posToGenerate[i][0]-1);
 			builder.append(" ");
 			builder.append(posToGenerate[i][1]);
 			builder.append(" ");
@@ -135,6 +164,7 @@ public class PosToGenerateContainer
 			builder.append('\n');
 		}
 		builder.append('\n');
-		return builder.toString();
+		return builder.toString();*/
+		return " ";
 	}
 }

src/main/java/com/seibel/lod/objects/PosToRenderContainer.java

@@ -1,40 +1,88 @@
 package com.seibel.lod.objects;
 
+import com.seibel.lod.proxy.ClientProxy;
+import com.seibel.lod.util.LevelPosUtil;
 import com.seibel.lod.util.LodUtil;
 
 import java.util.Arrays;
 
+/**
+ * 
+ * @author Leonardo Amato
+ * @version 9-18-2021
+ */
 public class PosToRenderContainer
 {
-	private byte minDetail;
+	public byte minDetail;
+	private int size;
+	private int regionPosX;
+	private int regionPosZ;
 	private int numberOfPosToRender;
-	private int[][] posToRender;
+	private int[] posToRender;
 	/*TODO this population matrix could be converted to boolean to improve memory use*/
 	private byte[][] population;
 
-	public PosToRenderContainer(byte minDetail)
+	public PosToRenderContainer(byte minDetail, int regionPosX, int regionPosZ)
 	{
 		this.minDetail = minDetail;
 		this.numberOfPosToRender = 0;
-		posToRender = new int[1][4];
-		int size = 1 << (LodUtil.REGION_DETAIL_LEVEL - minDetail);
+		this.regionPosX = regionPosX;
+		this.regionPosZ = regionPosZ;
+		this.size = 1 << (LodUtil.REGION_DETAIL_LEVEL - minDetail);
+		posToRender = new int[size*size*3];
 		population = new byte[size][size];
 	}
 
-	public void addPosToRender(int[] levelPos)
+	public void addPosToRender(byte detailLevel, int posX, int posZ)
 	{
-		if(numberOfPosToRender >= posToRender.length)
-			posToRender = Arrays.copyOf(posToRender, posToRender.length*2);
-		posToRender[numberOfPosToRender] = levelPos;
+		// When rapidly changing dimensions the bufferBuidler can cause this,
+		// James isn't sure why, but this will prevent an exception at
+		// the very least (while stilling logging the problem). 
+		if (numberOfPosToRender >= posToRender.length)
+		{
+			// This is might be due to dimensions having a different width
+			// when first loading in
+			ClientProxy.LOGGER.error("Unable to addPosToRender. numberOfPosToRender [" + numberOfPosToRender +"] detailLevel [" + detailLevel + "] Pos [" + posX + "," + posZ + "]");
+			numberOfPosToRender++; // incrementing so we can see how many pos over the limit we would go
+			return;
+		}
+		
+		//if(numberOfPosToRender >= posToRender.length)
+		//	posToRender = Arrays.copyOf(posToRender, posToRender.length*2);
+		posToRender[numberOfPosToRender*3 + 0] = detailLevel;
+		posToRender[numberOfPosToRender*3 + 1] = posX;
+		posToRender[numberOfPosToRender*3 + 2] = posZ;
 		numberOfPosToRender++;
-		int[] newLevelPos = LevelPosUtil.getRegionModule(LevelPosUtil.convert(levelPos, minDetail));
-		population[LevelPosUtil.getPosZ(newLevelPos)][LevelPosUtil.getPosZ(newLevelPos)] = (byte) (LevelPosUtil.getDetailLevel(levelPos) + 1);
+		population[LevelPosUtil.getRegionModule(minDetail, LevelPosUtil.convert(detailLevel,posX,minDetail))]
+				[LevelPosUtil.getRegionModule(minDetail, LevelPosUtil.convert(detailLevel,posZ,minDetail))] = (byte) (detailLevel + 1);
 	}
 
-	public boolean contains(int[] levelPos)
+	public boolean contains(byte detailLevel, int posX, int posZ)
 	{
-		int[] newLevelPos = LevelPosUtil.convert(LevelPosUtil.getRegionModule(levelPos), minDetail);
-		return (population[LevelPosUtil.getPosZ(newLevelPos)][LevelPosUtil.getPosZ(newLevelPos)] == (LevelPosUtil.getDetailLevel(levelPos) + 1));
+		if(LevelPosUtil.getRegion(detailLevel, posX) == regionPosX && LevelPosUtil.getRegion(detailLevel, posZ) == regionPosZ)
+		{
+			return (population[LevelPosUtil.getRegionModule(minDetail, LevelPosUtil.convert(detailLevel,posX,minDetail))]
+					        [LevelPosUtil.getRegionModule(minDetail, LevelPosUtil.convert(detailLevel,posZ,minDetail))] == (detailLevel + 1));
+		}else
+		{
+			return false;
+		}
+	}
+	public void clear(byte minDetail, int regionPosX, int regionPosZ){
+		this.numberOfPosToRender = 0;
+		this.regionPosX = regionPosX;
+		this.regionPosZ = regionPosZ;
+		if(this.minDetail == minDetail)
+		{
+			Arrays.fill(posToRender, 0);
+			for(int i = 0; i< population.length; i++)
+				Arrays.fill(population[i], (byte) 0);
+		}else{
+			this.minDetail = minDetail;
+			int size = 1 << (LodUtil.REGION_DETAIL_LEVEL - minDetail);
+			posToRender = new int[size*size*3];
+			population = new byte[size][size];
+		}
 	}
 
 	public int getNumberOfPos()
@@ -42,22 +90,34 @@ public class PosToRenderContainer
 		return numberOfPosToRender;
 	}
 
-	public int[] getNthPos(int n)
+	public byte getNthDetailLevel(int n)
 	{
-		return posToRender[n];
+		return (byte) posToRender[n*3 + 0];
+	}
+	public int getNthPosX(int n)
+	{
+		return posToRender[n*3 + 1];
+	}
+	public int getNthPosZ(int n)
+	{
+		return posToRender[n*3 + 2];
 	}
 
+	@Override
 	public String toString()
 	{
 
 		StringBuilder builder = new StringBuilder();
+		builder.append("To render ");
+		builder.append(numberOfPosToRender);
+		builder.append('\n');
 		for(int i = 0; i < numberOfPosToRender; i++)
 		{
-			builder.append(posToRender[i][0]);
+			builder.append(posToRender[i*3 + 0]);
 			builder.append(" ");
-			builder.append(posToRender[i][1]);
+			builder.append(posToRender[i*3 + 1]);
 			builder.append(" ");
-			builder.append(posToRender[i][2]);
+			builder.append(posToRender[i*3 + 2]);
 			builder.append('\n');
 		}
 		builder.append('\n');

src/main/java/com/seibel/lod/objects/SingleLevelContainer.java

@@ -0,0 +1,193 @@
+package com.seibel.lod.objects;
+
+import com.seibel.lod.util.*;
+
+import javax.xml.crypto.Data;
+import java.util.Arrays;
+
+public class SingleLevelContainer implements LevelContainer
+{
+	public final byte detailLevel;
+	public final int size;
+
+	public final long[][] dataContainer;
+
+	public SingleLevelContainer(byte detailLevel)
+	{
+		this.detailLevel = detailLevel;
+		size = 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel);
+		dataContainer = new long[size][size];
+	}
+
+	public void clear(int posX, int posZ)
+	{
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		dataContainer[posX][posZ] = DataPointUtil.EMPTY_DATA;
+	}
+
+	public boolean addData(long data, int posX, int posZ, int index)
+	{
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		dataContainer[posX][posZ] = data;
+		return true;
+	}
+
+	public boolean addSingleData(long newData, int posX, int posZ)
+	{
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		dataContainer[posX][posZ] = newData;
+		return true;
+	}
+
+	public long getData(int posX, int posZ, int index)
+	{
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		//Improve this using a thread map to long[]
+		return dataContainer[posX][posZ];
+	}
+
+	public long getSingleData(int posX, int posZ)
+	{
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		//Improve this using a thread map to long[]
+		return dataContainer[posX][posZ];
+	}
+
+	public byte getDetailLevel()
+	{
+		return detailLevel;
+	}
+
+	public LevelContainer expand()
+	{
+		return new SingleLevelContainer((byte) (getDetailLevel() - 1));
+	}
+
+	public SingleLevelContainer(byte[] inputData)
+	{
+		int tempIndex;
+		int index = 0;
+		long newData;
+		detailLevel = inputData[index];
+		index++;
+		size = (int) Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - detailLevel);
+		this.dataContainer = new long[size][size];
+		for (int x = 0; x < size; x++)
+		{
+			for (int z = 0; z < size; z++)
+			{
+				newData = 0;
+				if (inputData[index] == 0)
+					index++;
+				else if (inputData[index] == 3)
+				{
+					newData = 3;
+					index++;
+				} else if (index + 7 >= inputData.length)
+					break;
+				else
+				{
+					for (tempIndex = 0; tempIndex < 8; tempIndex++)
+						newData += (((long) inputData[index + tempIndex]) & 0xff) << (8 * tempIndex);
+					index = index + 8;
+				}
+				dataContainer[x][z] = newData;
+
+			}
+		}
+	}
+
+	public void updateData(LevelContainer lowerLevelContainer, int posX, int posZ)
+	{
+		//We reset the array
+		long[] dataToMerge = ThreadMapUtil.getSingleUpdateArray();
+
+		int childPosX;
+		int childPosZ;
+		long data;
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		for (int x = 0; x <= 1; x++)
+		{
+			for (int z = 0; z <= 1; z++)
+			{
+				childPosX = 2 * posX + x;
+				childPosZ = 2 * posZ + z;
+				dataToMerge[2 * x + z] = lowerLevelContainer.getSingleData(childPosX, childPosZ);
+			}
+		}
+		data = DataPointUtil.mergeSingleData(dataToMerge);
+		addSingleData(data, posX, posZ);
+	}
+
+	public int getMaxVerticalData()
+	{
+		return 1;
+	}
+
+	public boolean doesItExist(int posX, int posZ)
+	{
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		//Improve this using a thread map to long[]
+		return DataPointUtil.doesItExist(getSingleData(posX, posZ));
+	}
+
+	public byte[] toDataString()
+	{
+		int index = 0;
+		int tempIndex;
+		byte[] tempData = ThreadMapUtil.getSaveContainer();
+		if (tempData == null || tempData.length != (1 + (size * size * 8)))
+			tempData = new byte[1 + (size * size * 8)];
+		else
+			Arrays.fill(tempData, (byte) 0);
+		tempData[index] = detailLevel;
+		index++;
+		for (int x = 0; x < size; x++)
+		{
+			for (int z = 0; z < size; z++)
+			{
+				if (dataContainer[x][z] == 0)
+				{
+					tempData[index] = 0;
+					index++;
+				} else if (dataContainer[x][z] == 3)
+				{
+					tempData[index] = 3;
+					index++;
+				} else
+				{
+					for (tempIndex = 0; tempIndex < 8; tempIndex++)
+						tempData[index + tempIndex] = (byte) (dataContainer[x][z] >>> (8 * tempIndex));
+					index += 8;
+				}
+			}
+		}
+		return Arrays.copyOfRange(tempData, 0, index);
+	}
+
+	@Override
+	public String toString()
+	{
+		StringBuilder stringBuilder = new StringBuilder();
+		stringBuilder.append(detailLevel);
+		return stringBuilder.toString();
+	}
+
+
+	public int getMaxNumberOfLods()
+	{
+		return size * size * getMaxVerticalData();
+	}
+
+	public int getMaxMemoryUse()
+	{
+		return getMaxNumberOfLods() * 2; //2 byte
+	}
+}

src/main/java/com/seibel/lod/objects/VerticalLevelContainer.java

@@ -0,0 +1,253 @@
+package com.seibel.lod.objects;
+
+import com.seibel.lod.util.*;
+
+import java.util.Arrays;
+
+public class VerticalLevelContainer implements LevelContainer
+{
+
+	public final byte detailLevel;
+	public final int size;
+	public final int maxVerticalData;
+
+	public final long[] dataContainer;
+
+	public VerticalLevelContainer(byte detailLevel)
+	{
+		this.detailLevel = detailLevel;
+		size = 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel);
+		maxVerticalData = DetailDistanceUtil.getMaxVerticalData(detailLevel);
+		dataContainer = new long[size * size * DetailDistanceUtil.getMaxVerticalData(detailLevel)];
+	}
+
+	@Override
+	public byte getDetailLevel()
+	{
+		return detailLevel;
+	}
+
+	public void clear(int posX, int posZ){
+
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		for(int verticalIndex = 0; verticalIndex < maxVerticalData; verticalIndex++){
+			dataContainer[posX*size*maxVerticalData + posZ*maxVerticalData + verticalIndex] = DataPointUtil.EMPTY_DATA;
+		}
+	}
+
+	public boolean addData(long data, int posX, int posZ, int verticalIndex){
+
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		dataContainer[posX*size*maxVerticalData + posZ*maxVerticalData + verticalIndex] = data;
+		return true;
+	}
+
+	public boolean addSingleData(long data, int posX, int posZ){
+		return addData(data, posX, posZ, 0);
+	}
+
+	public long getData(int posX, int posZ, int verticalIndex){
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		return dataContainer[posX*size*maxVerticalData + posZ*maxVerticalData + verticalIndex];
+	}
+
+	public long getSingleData(int posX, int posZ){
+		return getData(posX,posZ,0);
+	}
+
+	public int getMaxVerticalData(){
+		return maxVerticalData;
+	}
+
+	public int getSize(){
+		return size;
+	}
+
+	public boolean doesItExist(int posX, int posZ){
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		return DataPointUtil.doesItExist(getSingleData(posX,posZ));
+	}
+
+	public VerticalLevelContainer(byte[] inputData)
+	{
+		int tempIndex;
+		int index = 0;
+		int counter = -1;
+		long newData;
+		byte last = 0;
+		detailLevel = inputData[index];
+		index++;
+		maxVerticalData = inputData[index];
+		index++;
+		size = (int) Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - detailLevel);
+		int x = size * size * maxVerticalData;
+		this.dataContainer = new long[x];
+		for ( int i = 0; i < x; i++)
+		{
+			newData = 0;
+			if (counter > -1)
+			{
+				dataContainer[i] = last;
+				if (last == 3)
+				{ //skip rest of void chunk
+					for (tempIndex = 1; tempIndex < maxVerticalData; tempIndex++) {
+						dataContainer[i + tempIndex] = 0;
+					}
+					i += maxVerticalData - 1;
+				}
+				counter--;
+			} else if ((inputData[index] & 0x3) == 0 || (inputData[index] & 0x3) == 3)
+			{
+				last = (byte)(inputData[index] & 0x3);
+				//recover counter
+				counter = (inputData[index] & 0x7c) >>> 2;
+				tempIndex = 0;
+				while ((inputData[index] & 0x80) == 0x80)
+				{ //overflow bit is on
+					index++;
+					counter += (inputData[index] & 0x7f) << (5 + 7 * tempIndex);
+					tempIndex++;
+				}
+				index++;
+				//since loop expects from us to put some data in, we just make it rerun it with new counter;
+				i--;
+			} else if (index + 7 >= inputData.length)
+				break;
+			else {
+				for (tempIndex = 0; tempIndex < 8; tempIndex++)
+					newData += (((long) inputData[index + tempIndex]) & 0xff) << (8 * tempIndex);
+				index = index + 8;
+				dataContainer[i] = newData;
+			}
+		}
+	}
+
+	public LevelContainer expand(){
+		return new VerticalLevelContainer((byte) (getDetailLevel() - 1));
+	}
+
+	public void updateData(LevelContainer lowerLevelContainer, int posX, int posZ)
+	{
+		//We reset the array
+		long[] dataToMerge = ThreadMapUtil.getVerticalUpdateArray()[detailLevel];
+
+		if(dataToMerge == null || dataToMerge.length != 4*lowerLevelContainer.getMaxVerticalData())
+			dataToMerge = new long[4 * lowerLevelContainer.getMaxVerticalData()];
+		else
+			Arrays.fill(dataToMerge, DataPointUtil.EMPTY_DATA);
+
+		int lowerMaxVertical = dataToMerge.length/4;
+		int childPosX;
+		int childPosZ;
+		long[] data;
+		posX = LevelPosUtil.getRegionModule(detailLevel, posX);
+		posZ = LevelPosUtil.getRegionModule(detailLevel, posZ);
+		for (int x = 0; x <= 1; x++)
+		{
+			for (int z = 0; z <= 1; z++)
+			{
+				childPosX = 2 * posX + x;
+				childPosZ = 2 * posZ + z;
+				for(int verticalIndex = 0; verticalIndex < lowerMaxVertical; verticalIndex++)
+					dataToMerge[(z*2+x)*lowerMaxVertical + verticalIndex] = lowerLevelContainer.getData(childPosX, childPosZ, verticalIndex);
+			}
+		}
+		data = DataPointUtil.mergeMultiData(dataToMerge, lowerMaxVertical, getMaxVerticalData());
+
+		for(int verticalIndex = 0; (verticalIndex < data.length) && (verticalIndex < maxVerticalData); verticalIndex++)
+		{
+			addData(data[verticalIndex],
+					posX,
+					posZ,
+					verticalIndex);
+		}
+	}
+
+	public byte[] toDataString()
+	{
+		int index = 0;
+		int counter = -1;
+		byte last = -1;
+		int x = size * size * maxVerticalData;
+		int tempIndex;
+		byte[] tempData = ThreadMapUtil.getSaveContainer();
+		long current;
+		if(tempData == null || tempData.length != (2 + (x * 8)))
+			tempData = new byte[2 + (x * 8)];
+		else
+			Arrays.fill(tempData, (byte) 0);
+
+		tempData[index] = detailLevel;
+		index++;
+		tempData[index] = (byte) maxVerticalData;
+		index++;
+
+		for (int i = 0; i < x; i++)
+		{
+			current = dataContainer[i];
+			if ((current & 0b11) == 0 || (current & 0b11) == 3)
+			{
+				current &= 0b11; //clean any garbage data after those two bits
+				last = (byte) current;
+				if (current == 3) //skip rest of void chunk
+					i += maxVerticalData - 1;
+				counter++;
+			} else {
+				for (tempIndex = 0; tempIndex < 8; tempIndex++)
+					tempData[index + tempIndex] = (byte) (current >>> (8 * tempIndex));
+				index += 8;
+			}
+			if (last != -1 && ( i == x - 1 || last != ((dataContainer[i + 1]) & 0b11)))
+			{ //save compressed data if next is different or if we reached onf of the data
+				tempData[index] = (byte)(0x7f & ((counter << 2) + last)); //save 5 bits of counter and compressed block
+
+				tempIndex = 0;
+				while ((counter >>> (5 + 7 * tempIndex)) != 0) //there is more of that counter
+				{
+					tempData[index] = (byte)(tempData[index] | 0x80); //set overflow bit to true
+					index++; // after setting overflow bit w can actually index++
+					tempData[index] = (byte)(0x7f & (counter >>> (5 + 7 * tempIndex))); // save 7 bits of counter
+					tempIndex++;
+				}
+				index++;
+				last = -1;
+				counter = -1;
+			}
+		}
+		return Arrays.copyOfRange(tempData, 0, index);
+	}
+
+	@Override
+	public String toString()
+	{
+		/*
+		StringBuilder stringBuilder = new StringBuilder();
+		int size = (int) Math.pow(2, LodUtil.REGION_DETAIL_LEVEL - detailLevel);
+		stringBuilder.append(detailLevel);
+		stringBuilder.append(DATA_DELIMITER);
+		for (int x = 0; x < size; x++)
+		{
+			for (int z = 0; z < size; z++)
+			{
+				//Converting the dataToHex
+				stringBuilder.append(Long.toHexString(dataContainer[x][z][0]));
+				stringBuilder.append(DATA_DELIMITER);
+			}
+		}
+		return stringBuilder.toString();
+		 */
+		return " ";
+	}
+
+	public int getMaxNumberOfLods(){
+		return size*size*getMaxVerticalData();
+	}
+
+	public int getMaxMemoryUse(){
+		return getMaxNumberOfLods() * 2; //2 byte
+	}
+}

src/main/java/com/seibel/lod/proxy/ClientProxy.java

@@ -21,27 +21,26 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.lwjgl.glfw.GLFW;
 
+import com.mojang.blaze3d.matrix.MatrixStack;
 import com.seibel.lod.builders.LodBufferBuilder;
 import com.seibel.lod.builders.LodBuilder;
 import com.seibel.lod.builders.worldGeneration.LodNodeGenWorker;
 import com.seibel.lod.builders.worldGeneration.LodWorldGenerator;
 import com.seibel.lod.config.LodConfig;
-import com.seibel.lod.enums.DistanceCalculatorType;
 import com.seibel.lod.enums.DistanceGenerationMode;
-import com.seibel.lod.enums.FogDistance;
-import com.seibel.lod.enums.FogDrawOverride;
-import com.seibel.lod.enums.LodDetail;
-import com.seibel.lod.enums.ShadingMode;
 import com.seibel.lod.objects.LodDimension;
 import com.seibel.lod.objects.LodWorld;
 import com.seibel.lod.objects.RegionPos;
 import com.seibel.lod.render.LodRenderer;
+import com.seibel.lod.util.DataPointUtil;
 import com.seibel.lod.util.DetailDistanceUtil;
 import com.seibel.lod.util.LodUtil;
+import com.seibel.lod.util.ThreadMapUtil;
+import com.seibel.lod.wrappers.MinecraftWrapper;
 
-import net.minecraft.client.Minecraft;
 import net.minecraft.profiler.IProfiler;
 import net.minecraft.util.text.StringTextComponent;
+import net.minecraft.world.DimensionType;
 import net.minecraftforge.client.event.InputEvent;
 import net.minecraftforge.event.TickEvent;
 import net.minecraftforge.event.world.BlockEvent;
@@ -51,15 +50,18 @@ import net.minecraftforge.eventbus.api.SubscribeEvent;
 
 /**
  * This handles all events sent to the client,
- * and is the starting point for most of this program.
+ * and is the starting point for most of the mod.
  *
  * @author James_Seibel
- * @version 8-24-2021
+ * @version 9-23-2021
  */
 public class ClientProxy
 {
 	public static final Logger LOGGER = LogManager.getLogger("LOD");
 	
+	private boolean firstTimeSetupComplete = false;
+	public static boolean drawLods = true;
+	
 	private static LodWorld lodWorld = new LodWorld();
 	private static LodBuilder lodBuilder = new LodBuilder();
 	private static LodBufferBuilder lodBufferBuilder = new LodBufferBuilder();
@@ -68,7 +70,7 @@ public class ClientProxy
 	
 	private boolean configOverrideReminderPrinted = false;
 	
-	Minecraft mc = Minecraft.getInstance();
+	private MinecraftWrapper mc = MinecraftWrapper.INSTANCE;
 	
 	
 	/**
@@ -85,7 +87,7 @@ public class ClientProxy
 	 * to the LOD view distance
 	 */
 	private boolean recalculateWidths = false;
-	
+	private DimensionType currentDimension = null;
 	
 	public ClientProxy()
 	{
@@ -100,84 +102,112 @@ public class ClientProxy
 	/**
 	 * Do any setup that is required to draw LODs
 	 * and then tell the LodRenderer to draw.
+	 * @param mcMatrixStack 
 	 */
-	public void renderLods(float partialTicks)
+	public void renderLods(MatrixStack mcMatrixStack, float partialTicks)
 	{
-		DetailDistanceUtil.updateSettings();
-		if (mc == null || mc.player == null || !lodWorld.getIsWorldLoaded())
-			return;
-		
-		viewDistanceChangedEvent();
-		
-		LodDimension lodDim = lodWorld.getLodDimension(mc.player.level.dimensionType());
-		if (lodDim == null)
-			return;
-		
-		
-		playerMoveEvent(lodDim);
-		//System.out.println("memory needed " + lodDim.getMinMemoryNeeded() + " byte");
-		//System.out.println(lodDim);
-		
-		lodDim.treeCutter((int) mc.player.getX(), (int) mc.player.getZ());
-		lodDim.treeGenerator((int) mc.player.getX(), (int) mc.player.getZ());
-		
-		
 		// comment out when creating a release
-		//applyConfigOverrides();
+		applyConfigOverrides();
 		
+		// clear any out of date objects
+		mc.clearFrameObjectCache();
 		
-		// Note to self:
-		// if "unspecified" shows up in the pie chart, it is
-		// possibly because the amount of time between sections
-		// is too small for the profiler to measure
-		IProfiler profiler = mc.getProfiler();
-		profiler.pop(); // get out of "terrain"
-		profiler.push("LOD");
-		renderer.drawLODs(lodDim, partialTicks, mc.getProfiler());
-		
-		profiler.pop(); // end LOD
-		profiler.push("terrain"); // restart "terrain"
-		
-		
-		// these can't be set until after the buffers are built (in renderer.drawLODs)
-		// otherwise the buffers may be set to the wrong size, or not changed at all
-		previousChunkRenderDistance = mc.options.renderDistance;
-		previousLodRenderDistance = LodConfig.CLIENT.graphics.lodChunkRenderDistance.get();
+		try
+		{
+			// only run the first time setup once
+			if (!firstTimeSetupComplete)
+			{
+				ThreadMapUtil.clearMaps();
+				firstFrameSetup();
+			}
+			
+			if(mc.getCurrentDimension() != currentDimension)
+			{
+				currentDimension = mc.getCurrentDimension();
+				reset();
+			}
+			
+			DetailDistanceUtil.updateSettings();
+			if (mc == null || mc.getPlayer() == null || !lodWorld.getIsWorldLoaded())
+				return;
+			
+			LodDimension lodDim = lodWorld.getLodDimension(mc.getCurrentDimension());
+			if (lodDim == null)
+				return;
+			
+			viewDistanceChangedEvent();
+			playerMoveEvent(lodDim);
+			
+			lodDim.treeCutter((int) mc.getPlayer().getX(), (int) mc.getPlayer().getZ());
+			lodDim.treeGenerator((int) mc.getPlayer().getX(), (int) mc.getPlayer().getZ());
+			
+			
+			// Note to self:
+			// if "unspecified" shows up in the pie chart, it is
+			// possibly because the amount of time between sections
+			// is too small for the profiler to measure
+			IProfiler profiler = mc.getProfiler();
+			profiler.pop(); // get out of "terrain"
+			profiler.push("LOD");
+			
+			if(drawLods)
+			{
+				renderer.drawLODs(lodDim, mcMatrixStack, partialTicks, mc.getProfiler());
+			}
+			
+			profiler.pop(); // end LOD
+			profiler.push("terrain"); // go back into "terrain"
+			
+			
+			// these can't be set until after the buffers are built (in renderer.drawLODs)
+			// otherwise the buffers may be set to the wrong size, or not changed at all
+			previousChunkRenderDistance = mc.getRenderDistance();
+			previousLodRenderDistance = LodConfig.CLIENT.graphics.lodChunkRenderDistance.get();
+		}
+		catch (Exception e)
+		{
+			LOGGER.error("client proxy: " + e.getMessage());
+			e.printStackTrace();
+		}
 	}
 	
 	
 	private void applyConfigOverrides()
 	{
-		// remind the developer(s). that config override is active
+		// remind the developer(s) that the config override is active
 		if (!configOverrideReminderPrinted)
 		{
-			mc.player.sendMessage(new StringTextComponent("Debug settings enabled!"), mc.player.getUUID());
+			//mc.getPlayer().sendMessage(new StringTextComponent("Debug settings enabled!"), mc.getPlayer().getUUID());
+			
+			// this was changed just for the buggy pre-release, since the code was already here
+			mc.getPlayer().sendMessage(new StringTextComponent("Warning: LOD mod 1.5 buggy pre-release"), mc.getPlayer().getUUID());
+			mc.getPlayer().sendMessage(new StringTextComponent("Hic sunt dracones"), mc.getPlayer().getUUID()); // Here be dragons
 			configOverrideReminderPrinted = true;
 		}
 		
-		//LodConfig.CLIENT.drawLODs.set(true);
-		//LodConfig.CLIENT.debugMode.set(true);
 		
-		LodConfig.CLIENT.graphics.maxDrawDetail.set(LodDetail.FULL);
-		LodConfig.CLIENT.worldGenerator.maxGenerationDetail.set(LodDetail.FULL);
+//		LodConfig.CLIENT.graphics.drawResolution.set(HorizontalResolution.BLOCK);
+//		LodConfig.CLIENT.worldGenerator.generationResolution.set(HorizontalResolution.BLOCK);
+		// requires a world restart?
+//		LodConfig.CLIENT.worldGenerator.lodQualityMode.set(VerticalQuality.MULTI_LOD);
 		
-		LodConfig.CLIENT.graphics.fogDistance.set(FogDistance.FAR);
-		LodConfig.CLIENT.graphics.fogDrawOverride.set(FogDrawOverride.ALWAYS_DRAW_FOG_FANCY);
-		LodConfig.CLIENT.graphics.shadingMode.set(ShadingMode.DARKEN_SIDES);
-		LodConfig.CLIENT.graphics.brightnessMultiplier.set(1.0);
-		LodConfig.CLIENT.graphics.saturationMultiplier.set(1.0);
+//		LodConfig.CLIENT.graphics.fogDistance.set(FogDistance.FAR);
+//		LodConfig.CLIENT.graphics.fogDrawOverride.set(FogDrawOverride.ALWAYS_DRAW_FOG_FANCY);
+//		LodConfig.CLIENT.graphics.shadingMode.set(ShadingMode.DARKEN_SIDES);
+//		LodConfig.CLIENT.graphics.brightnessMultiplier.set(1.0);
+//		LodConfig.CLIENT.graphics.saturationMultiplier.set(1.0);
+
+//		LodConfig.CLIENT.worldGenerator.distanceGenerationMode.set(DistanceGenerationMode.SURFACE);
+//		LodConfig.CLIENT.graphics.lodChunkRenderDistance.set(64);
+//		LodConfig.CLIENT.worldGenerator.lodDistanceCalculatorType.set(DistanceCalculatorType.LINEAR);
+//		LodConfig.CLIENT.worldGenerator.allowUnstableFeatureGeneration.set(false);
+
+//		LodConfig.CLIENT.buffers.bufferRebuildPlayerMoveTimeout.set(2000); // 2000
+//		LodConfig.CLIENT.buffers.bufferRebuildChunkChangeTimeout.set(1000); // 1000
+//		LodConfig.CLIENT.buffers.bufferRebuildLodChangeTimeout.set(5000); // 5000
 		
-		LodConfig.CLIENT.worldGenerator.distanceGenerationMode.set(DistanceGenerationMode.SURFACE);
-		LodConfig.CLIENT.graphics.lodChunkRenderDistance.set(256);
-		LodConfig.CLIENT.worldGenerator.lodDistanceCalculatorType.set(DistanceCalculatorType.LINEAR);
-		LodConfig.CLIENT.graphics.lodQuality.set(3);
-		LodConfig.CLIENT.worldGenerator.allowUnstableFeatureGeneration.set(false);
-		
-		LodConfig.CLIENT.buffers.bufferRebuildPlayerMoveTimeout.set(2000); // 2000
-		LodConfig.CLIENT.buffers.bufferRebuildChunkChangeTimeout.set(1000); // 1000
-		LodConfig.CLIENT.buffers.bufferRebuildLodChangeTimeout.set(50); // 5000
-		
-		LodConfig.CLIENT.debugging.enableDebugKeybinding.set(true);
+//		LodConfig.CLIENT.debugging.enableDebugKeybindings.set(true);
+//		LodConfig.CLIENT.debugging.debugMode.set(DebugMode.SHOW_DETAIL);
 	}
 	
 	
@@ -188,10 +218,10 @@ public class ClientProxy
 	@SubscribeEvent
 	public void serverTickEvent(TickEvent.ServerTickEvent event)
 	{
-		if (mc == null || mc.player == null || !lodWorld.getIsWorldLoaded())
+		if (mc == null || mc.getPlayer() == null || !lodWorld.getIsWorldLoaded())
 			return;
 		
-		LodDimension lodDim = lodWorld.getLodDimension(mc.player.level.dimensionType());
+		LodDimension lodDim = lodWorld.getLodDimension(mc.getPlayer().level.dimensionType());
 		if (lodDim == null)
 			return;
 		
@@ -214,6 +244,7 @@ public class ClientProxy
 	@SubscribeEvent
 	public void worldLoadEvent(WorldEvent.Load event)
 	{
+		DataPointUtil.worldHeight = event.getWorld().getHeight();
 		// the player just loaded a new world/dimension
 		lodWorld.selectWorld(LodUtil.getWorldID(event.getWorld()));
 		// make sure the correct LODs are being rendered
@@ -225,7 +256,6 @@ public class ClientProxy
 	public void worldUnloadEvent(WorldEvent.Unload event)
 	{
 		// the player just unloaded a world/dimension
-		
 		if (mc.getConnection().getLevel() == null)
 		{
 			// if this isn't done unfinished tasks may be left in the queue
@@ -241,6 +271,12 @@ public class ClientProxy
 			// breaking when changing worlds.
 			renderer.destroyBuffers();
 			recalculateWidths = true;
+			
+			
+			// make sure the nulled objects are freed.
+			// (this prevents a out of memory error when
+			// changing worlds)
+			System.gc();
 		}
 	}
 	
@@ -261,18 +297,22 @@ public class ClientProxy
 	@SubscribeEvent
 	public void onKeyInput(InputEvent.KeyInputEvent event) 
 	{
-		if(LodConfig.CLIENT.debugging.enableDebugKeybinding.get()
-			&& event.getKey() == GLFW.GLFW_KEY_F4 && event.getAction() == GLFW.GLFW_PRESS)
+		if(LodConfig.CLIENT.debugging.enableDebugKeybindings.get()
+				&& event.getKey() == GLFW.GLFW_KEY_F4 && event.getAction() == GLFW.GLFW_PRESS)
 		{
 			LodConfig.CLIENT.debugging.debugMode.set(LodConfig.CLIENT.debugging.debugMode.get().getNext());
 		}
+		
+		if(LodConfig.CLIENT.debugging.enableDebugKeybindings.get()
+				&& event.getKey() == GLFW.GLFW_KEY_F6 && event.getAction() == GLFW.GLFW_PRESS)
+		{
+			drawLods = !drawLods;
+		}
 	}
 	
-	
-	
-	//==================//
-	// frame LOD events //
-	//==================//
+	//============//
+	// LOD events //
+	//============//
 	
 	/**
 	 * Re-centers the given LodDimension if it needs to be.
@@ -280,7 +320,7 @@ public class ClientProxy
 	private void playerMoveEvent(LodDimension lodDim)
 	{
 		// make sure the dimension is centered
-		RegionPos playerRegionPos = new RegionPos(mc.player.blockPosition());
+		RegionPos playerRegionPos = new RegionPos(mc.getPlayer().blockPosition());
 		RegionPos worldRegionOffset = new RegionPos(playerRegionPos.x - lodDim.getCenterX(), playerRegionPos.z - lodDim.getCenterZ());
 		if (worldRegionOffset.x != 0 || worldRegionOffset.z != 0)
 		{
@@ -309,7 +349,7 @@ public class ClientProxy
 			// update the dimensions to fit the new width
 			lodWorld.resizeDimensionRegionWidth(newWidth);
 			lodBuilder.defaultDimensionWidthInRegions = newWidth;
-			renderer.setupBuffers(newWidth);
+			renderer.setupBuffers(lodWorld.getLodDimension(mc.getClientWorld().dimensionType()));
 			
 			recalculateWidths = false;
 			//LOGGER.info("new dimension width in regions: " + newWidth + "\t potential: " + newWidth );
@@ -318,6 +358,26 @@ public class ClientProxy
 	}
 	
 	
+	/**
+	 * This event is called once during the first frame Minecraft renders in the world.
+	 */
+	public void firstFrameSetup()
+	{
+		// make sure the GlProxy is created before the LodBufferBuilder
+		GlProxy.getInstance();
+		
+		
+		
+		firstTimeSetupComplete = true;
+	}
+	
+	
+	public static void reset()
+	{
+		renderer = new LodRenderer(lodBufferBuilder);
+		LodNodeGenWorker.resetGenerator();
+		ThreadMapUtil.clearMaps();
+	}
 	
 	//================//
 	// public getters //

src/main/java/com/seibel/lod/proxy/GlProxy.java

@@ -0,0 +1,188 @@
+package com.seibel.lod.proxy;
+
+import org.lwjgl.opengl.GL;
+import org.lwjgl.opengl.GLCapabilities;
+import org.lwjgl.opengl.WGL;
+
+import com.mojang.blaze3d.systems.RenderSystem;
+
+/**
+ * A singleton that holds references to different openGL contexts
+ * and GPU capabilities.
+ * 
+ * <p>
+ * Helpful OpenGL resources: <br><br>
+ * 
+ * https://www.seas.upenn.edu/~pcozzi/OpenGLInsights/OpenGLInsights-AsynchronousBufferTransfers.pdf <br>
+ * https://learnopengl.com/Advanced-OpenGL/Advanced-Data <br>
+ * https://gamedev.stackexchange.com/questions/91995/edit-vbo-data-or-create-a-new-one <br><br>
+ * 
+ * 
+ * @author James Seibel
+ * @version 9-15-2021
+ */
+public class GlProxy
+{
+	private static GlProxy instance = null;
+	
+	public final long deviceContext;
+	
+	public long minecraftGlContext;
+	public GLCapabilities minecraftGlCapabilities;
+	
+	public long lodBuilderGlContext;
+	public GLCapabilities lodBuilderGlCapabilities;
+	/** This is just used for debugging, hopefuly it can be removed once 
+	 * the context switching is more stable. */
+	public Thread lodBuilderOwnerThread = null;
+	
+	/**
+	 * Does this computer's GPU support fancy fog?
+	 */
+	public final boolean fancyFogAvailable;
+	
+	
+	
+	private GlProxy()
+	{
+		// getting Minecraft's context has to be done on the render thread,
+		// where the GL context is
+		if (!RenderSystem.isOnRenderThread())
+			throw new IllegalStateException(GlProxy.class.getSimpleName() + " was created outside the render thread!");
+		
+		
+		
+		
+		//============================//
+		// create the builder context //
+		//============================//
+		
+		minecraftGlContext = WGL.wglGetCurrentContext();
+		minecraftGlCapabilities = GL.getCapabilities();
+		deviceContext = WGL.wglGetCurrentDC();
+		
+		lodBuilderGlContext = WGL.wglCreateContext(deviceContext);
+		if (!WGL.wglShareLists(minecraftGlContext, lodBuilderGlContext))
+			throw new IllegalStateException("Unable to share lists between Minecraft and builder contexts.");
+		if (!WGL.wglMakeCurrent(deviceContext, lodBuilderGlContext))
+			throw new IllegalStateException("Unable to change OpenGL contexts! tried to change to [" + GlProxyContext.LOD_BUILDER.toString() + "] from [" + GlProxyContext.MINECRAFT.toString() + "]");
+		lodBuilderGlCapabilities = GL.createCapabilities();
+		WGL.wglMakeCurrent(deviceContext, 0L);
+		
+		
+		// Since this is called on the render thread, make sure the Minecraft context is used in the end
+		WGL.wglMakeCurrent(deviceContext, minecraftGlContext);
+		
+		
+		
+		
+		//==================================//
+		// get any GPU related capabilities //
+		//==================================//
+		
+		// see if this GPU can run fancy fog
+		fancyFogAvailable = GL.getCapabilities().GL_NV_fog_distance;
+
+		if (!fancyFogAvailable)
+		{
+			ClientProxy.LOGGER.info("This GPU does not support GL_NV_fog_distance. This means that the fancy fog option will not be available.");
+		}
+	}
+	
+	
+	/**
+	 * A simple wrapper function to make switching contexts easier
+	 * 
+	 * @throws IllegalStateException if unable to change to newContext. <br>
+	 * 								 This expection should never be thrown if 
+	 * 								 switching to GlProxyContext.NONE
+	 */
+	public void setGlContext(GlProxyContext newContext)
+	{
+		GlProxyContext currentContext = getGlContext();
+		
+		// we don't have to change the context, we're already there.
+		if (currentContext == newContext)
+			return;
+		
+		
+		long contextPointer = 0L;
+		GLCapabilities newGlCapabilities = null;
+		switch(newContext)
+		{
+		case LOD_BUILDER:
+			contextPointer = lodBuilderGlContext;
+			newGlCapabilities = lodBuilderGlCapabilities;
+			break;
+		case MINECRAFT:
+			contextPointer = minecraftGlContext;
+			newGlCapabilities = minecraftGlCapabilities;
+			break;
+		case NONE:
+			contextPointer = 0L; // equivalent to null
+			newGlCapabilities = null;
+			break;
+			
+		default:
+			// should never happen, here to make the compiler happy
+		}
+		
+		if (!WGL.wglMakeCurrent(deviceContext, contextPointer))
+			throw new IllegalStateException("Unable to change OpenGL contexts! tried to change to [" + newContext.toString() + "] from [" + currentContext.toString() + "] on thread: [" + Thread.currentThread().getName() + "] lod builder owner thread: " + (lodBuilderOwnerThread != null ? lodBuilderOwnerThread.getName() : "null"));
+		
+		if (newContext == GlProxyContext.LOD_BUILDER)
+		{
+			lodBuilderOwnerThread = Thread.currentThread();
+		}
+		else if (newContext == GlProxyContext.NONE && currentContext == GlProxyContext.LOD_BUILDER)
+		{
+			lodBuilderOwnerThread = null;
+		}
+		
+		GL.setCapabilities(newGlCapabilities);
+	}
+	
+	/**
+	 * Returns this thread's OpenGL context.
+	 */
+	public GlProxyContext getGlContext()
+	{
+		long currentContext = WGL.wglGetCurrentContext();
+		if(currentContext == lodBuilderGlContext)
+		{
+			return GlProxyContext.LOD_BUILDER;
+		}
+		else if(currentContext == minecraftGlContext)
+		{
+			return GlProxyContext.MINECRAFT;
+		}
+		else 
+		{
+			return GlProxyContext.NONE;
+		}
+	}
+	
+	/** Minecraft, Alpha, Beta, None */
+	public enum GlProxyContext
+	{
+		MINECRAFT,
+		LOD_BUILDER,
+		
+		/** used to un-bind threads */
+		NONE,
+	}
+	
+	public static GlProxy getInstance()
+	{
+		try
+		{
+			if (instance == null)
+				instance = new GlProxy();
+		}catch (Exception e)
+		{
+			e.printStackTrace();
+		}
+		
+		return instance;
+	}
+}

src/main/java/com/seibel/lod/render/LodRenderer.java

@@ -17,22 +17,21 @@
  */
 package com.seibel.lod.render;
 
-import java.nio.ByteBuffer;
-import java.nio.ByteOrder;
-import java.nio.FloatBuffer;
 import java.util.HashSet;
-import java.util.Iterator;
 
-import org.lwjgl.opengl.GL;
 import org.lwjgl.opengl.GL11;
+import org.lwjgl.opengl.GL15;
+import org.lwjgl.opengl.GL15C;
 import org.lwjgl.opengl.NVFogDistance;
 
 import com.mojang.blaze3d.matrix.MatrixStack;
 import com.mojang.blaze3d.platform.GlStateManager;
 import com.mojang.blaze3d.systems.RenderSystem;
 import com.seibel.lod.builders.LodBufferBuilder;
+import com.seibel.lod.builders.LodBufferBuilder.VertexBuffersAndOffset;
 import com.seibel.lod.config.LodConfig;
 import com.seibel.lod.enums.DebugMode;
+import com.seibel.lod.enums.DetailDropOff;
 import com.seibel.lod.enums.FogDistance;
 import com.seibel.lod.enums.FogDrawOverride;
 import com.seibel.lod.enums.FogQuality;
@@ -40,26 +39,25 @@ import com.seibel.lod.handlers.ReflectionHandler;
 import com.seibel.lod.objects.LodDimension;
 import com.seibel.lod.objects.NearFarFogSettings;
 import com.seibel.lod.objects.RegionPos;
-import com.seibel.lod.objects.LevelPos.LevelPos;
 import com.seibel.lod.proxy.ClientProxy;
+import com.seibel.lod.proxy.GlProxy;
 import com.seibel.lod.util.DetailDistanceUtil;
+import com.seibel.lod.util.LevelPosUtil;
 import com.seibel.lod.util.LodUtil;
+import com.seibel.lod.wrappers.MinecraftWrapper;
 
-import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.ActiveRenderInfo;
 import net.minecraft.client.renderer.FogRenderer;
 import net.minecraft.client.renderer.GameRenderer;
+import net.minecraft.client.renderer.texture.NativeImage;
 import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
 import net.minecraft.client.renderer.vertex.VertexBuffer;
 import net.minecraft.client.renderer.vertex.VertexFormat;
-import net.minecraft.potion.EffectInstance;
-import net.minecraft.potion.Effects;
 import net.minecraft.profiler.IProfiler;
+import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
-import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.vector.Matrix4f;
 import net.minecraft.util.math.vector.Vector3d;
-import net.minecraft.util.math.vector.Vector3f;
 
 
 /**
@@ -67,7 +65,7 @@ import net.minecraft.util.math.vector.Vector3f;
  * This is where LODs are draw to the world.
  *
  * @author James Seibel
- * @version 8-31-2021
+ * @version 9-23-2021
  */
 public class LodRenderer
 {
@@ -89,24 +87,17 @@ public class LodRenderer
 	 * https://stackoverflow.com/questions/50499238/bytebuffer-allocatedirect-and-xmx
 	 */
 	public static final int MAX_ALOCATEABLE_DIRECT_MEMORY = 64 * 1024 * 1024;
-
-	/**
-	 * Does this computer's GPU support fancy fog?
-	 */
-	private static Boolean fancyFogAvailable = null;
-
-
+	
 	/**
 	 * If true the LODs colors will be replaced with
 	 * a checkerboard, this can be used for debugging.
 	 */
 	public DebugMode previousDebugMode = DebugMode.OFF;
 
-	private Minecraft mc;
+	private MinecraftWrapper mc;
 	private GameRenderer gameRender;
 	private IProfiler profiler;
 	private int farPlaneBlockDistance;
-	private ReflectionHandler reflectionHandler;
 
 
 	/**
@@ -119,12 +110,18 @@ public class LodRenderer
 	 */
 	private VertexBuffer[][] vbos;
 	public static final VertexFormat LOD_VERTEX_FORMAT = DefaultVertexFormats.POSITION_COLOR;
-
+	private ChunkPos vbosCenter = new ChunkPos(0,0);
 
 	/**
 	 * This is used to determine if the LODs should be regenerated
 	 */
-	private LevelPos previousPos = new LevelPos((byte) 0, 0, 0);
+	private int[] previousPos = new int[]{0,0,0};
+	
+	public NativeImage lightMap = null;
+	
+	// these variables are used to determine if the buffers should be rebuilt
+	private long prevDayTime = 0;
+	private double prevBrightness = 0;
 	private int prevRenderDistance = 0;
 	private long prevPlayerPosTime = 0;
 	private long prevVanillaChunkTime = 0;
@@ -153,10 +150,9 @@ public class LodRenderer
 
 	public LodRenderer(LodBufferBuilder newLodNodeBufferBuilder)
 	{
-		mc = Minecraft.getInstance();
-		gameRender = mc.gameRenderer;
+		mc = MinecraftWrapper.INSTANCE;
+		gameRender = mc.getGameRenderer();
 
-		reflectionHandler = new ReflectionHandler();
 		lodBufferBuilder = newLodNodeBufferBuilder;
 	}
 
@@ -166,9 +162,10 @@ public class LodRenderer
 	 * the async process of generating the Buffers that hold those LODs.
 	 *
 	 * @param lodDim       The dimension to draw, if null doesn't replace the current dimension.
+	 * @param mcMatrixStack This matrix stack should come straight from MC's renderChunkLayer (or future equivalent) method
 	 * @param partialTicks how far into the current tick this method was called.
 	 */
-	public void drawLODs(LodDimension lodDim, float partialTicks, IProfiler newProfiler)
+	public void drawLODs(LodDimension lodDim, MatrixStack mcMatrixStack, float partialTicks, IProfiler newProfiler)
 	{
 		if (lodDim == null)
 		{
@@ -184,20 +181,7 @@ public class LodRenderer
 
 		profiler = newProfiler;
 		profiler.push("LOD setup");
-
-
-		// only check the GPU capability's once
-		if (fancyFogAvailable == null)
-		{
-			// see if this GPU can run fancy fog
-			fancyFogAvailable = GL.getCapabilities().GL_NV_fog_distance;
-
-			if (!fancyFogAvailable)
-			{
-				ClientProxy.LOGGER.info("This GPU does not support GL_NV_fog_distance. This means that fancy fog options will not be available.");
-			}
-		}
-
+		
 		
 		// TODO move the buffer regeneration logic into its own class (probably called in the client proxy instead)
 		// starting here...
@@ -215,7 +199,7 @@ public class LodRenderer
 		if ((partialRegen || fullRegen) && !lodBufferBuilder.generatingBuffers && !lodBufferBuilder.newBuffersAvaliable())
 		{
 			// generate the LODs on a separate thread to prevent stuttering or freezing
-			lodBufferBuilder.generateLodBuffersAsync(this, lodDim, mc.player.blockPosition(), true);
+			lodBufferBuilder.generateLodBuffersAsync(this, lodDim, mc.getPlayer().blockPosition(), true);
 
 			// the regen process has been started,
 			// it will be done when lodBufferBuilder.newBuffersAvaliable()
@@ -223,31 +207,28 @@ public class LodRenderer
 			fullRegen = false;
 			partialRegen = false;
 		}
-		
+
 		// TODO move the buffer regeneration logic into its own class (probably called in the client proxy instead)
 		// ...ending here
-
-		// replace the buffers used to draw and build,
-		// this is only done when the createLodBufferGenerationThread
-		// has finished executing on a parallel thread.
+		
 		if (lodBufferBuilder.newBuffersAvaliable())
 		{
 			swapBuffers();
 		}
 		
-		
-		
+
+
 		//===========================//
 		// GL settings for rendering //
 		//===========================//
 
 		// set the required open GL settings
-
+		
 		if (LodConfig.CLIENT.debugging.debugMode.get() == DebugMode.SHOW_DETAIL_WIREFRAME)
 			GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
 		else
 			GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_FILL);
-		
+
 		GL11.glDisable(GL11.GL_TEXTURE_2D);
 		GL11.glEnable(GL11.GL_CULL_FACE);
 		GL11.glEnable(GL11.GL_COLOR_MATERIAL);
@@ -259,19 +240,24 @@ public class LodRenderer
 
 		// get the default projection matrix so we can
 		// reset it after drawing the LODs
-		float[] defaultProjMatrix = new float[16];
-		GL11.glGetFloatv(GL11.GL_PROJECTION_MATRIX, defaultProjMatrix);
-
-		Matrix4f modelViewMatrix = generateModelViewMatrix(partialTicks);
+		float[] mcProjMatrixRaw = new float[16];
+		GL11.glGetFloatv(GL11.GL_PROJECTION_MATRIX, mcProjMatrixRaw);
+		Matrix4f mcProjectionMatrix = new Matrix4f(mcProjMatrixRaw);
+		// OpenGl outputs their matricies in col,row form instead of row,col
+		// (or maybe vice versa I have no idea :P)
+		mcProjectionMatrix.transpose();
 		
+		Matrix4f modelViewMatrix = offsetTheModelViewMatrix(mcMatrixStack, partialTicks);
+
 		// required for setupFog and setupProjectionMatrix
 		farPlaneBlockDistance = LodConfig.CLIENT.graphics.lodChunkRenderDistance.get() * LodUtil.CHUNK_WIDTH;
-		
-		setupProjectionMatrix(partialTicks);
-		setupLighting(lodDim, partialTicks);
+
+		setupProjectionMatrix(mcProjectionMatrix, partialTicks);
+		// commented out until we can add shaders to handle lighting
+		//setupLighting(lodDim, partialTicks);
 
 		NearFarFogSettings fogSettings = determineFogSettings();
-		
+
 		// determine the current fog settings so they can be
 		// reset after drawing the LODs
 		float defaultFogStartDist = GL11.glGetFloat(GL11.GL_FOG_START);
@@ -283,14 +269,16 @@ public class LodRenderer
 		//===========//
 		// rendering //
 		//===========//
+		
 		profiler.popPush("LOD draw");
-
+		
 		if (vbos != null)
 		{
-			Vector3d cameraDir = mc.cameraEntity.getLookAngle().normalize();
-			cameraDir = mc.options.getCameraType().isMirrored() ? cameraDir.reverse() : cameraDir;
-
-
+			ActiveRenderInfo renderInfo = mc.getGameRenderer().getMainCamera();
+			Vector3d cameraDir = new Vector3d(renderInfo.getLookVector());
+			
+			boolean cullingDisabled = LodConfig.CLIENT.graphics.disableDirectionalCulling.get();
+			
 			// used to determine what type of fog to render
 			int halfWidth = vbos.length / 2;
 			int quarterWidth = vbos.length / 4;
@@ -300,7 +288,7 @@ public class LodRenderer
 				for (int j = 0; j < vbos.length; j++)
 				{
 					RegionPos vboPos = new RegionPos(i + lodDim.getCenterX() - lodDim.getWidth() / 2, j + lodDim.getCenterZ() - lodDim.getWidth() / 2);
-					if (RenderUtil.isRegionInViewFrustum(mc.cameraEntity.blockPosition(), cameraDir, vboPos.blockPos()))
+					if (cullingDisabled || RenderUtil.isRegionInViewFrustum(renderInfo.getBlockPosition(), cameraDir, vboPos.blockPos()))
 					{
 						if ((i > halfWidth - quarterWidth && i < halfWidth + quarterWidth) && (j > halfWidth - quarterWidth && j < halfWidth + quarterWidth))
 							setupFog(fogSettings.near.distance, fogSettings.near.quality);
@@ -313,7 +301,7 @@ public class LodRenderer
 				}
 			}
 		}
-
+		
 
 		//=========//
 		// cleanup //
@@ -335,20 +323,18 @@ public class LodRenderer
 
 		// reset the projection matrix so anything drawn after
 		// the LODs will use the correct projection matrix
-		Matrix4f mvm = new Matrix4f(defaultProjMatrix);
-		mvm.transpose();
-		gameRender.resetProjectionMatrix(mvm);
-
+		gameRender.resetProjectionMatrix(mcProjectionMatrix);
+		
 		// clear the depth buffer so anything drawn is drawn
 		// over the LODs
 		GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
-
+		
 
 		// end of internal LOD profiling
 		profiler.pop();
 	}
-	
-	
+
+
 	/**
 	 * This is where the actual drawing happens.
 	 */
@@ -356,14 +342,14 @@ public class LodRenderer
 	{
 		if (vbo == null)
 			return;
-
-		vbo.bind();
+		
+		GL15C.glBindBuffer(GL15.GL_ARRAY_BUFFER, vbo.id);
 		// 0L is the starting pointer
 		LOD_VERTEX_FORMAT.setupBufferState(0L);
-
+		
 		vbo.draw(modelViewMatrix, GL11.GL_QUADS);
-
-		VertexBuffer.unbind();
+		
+		GL15C.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
 		LOD_VERTEX_FORMAT.clearBufferState();
 	}
 
@@ -381,12 +367,12 @@ public class LodRenderer
 			RenderSystem.disableFog();
 			return;
 		}
-		
+
 		if (fogDistance == FogDistance.NEAR_AND_FAR)
 		{
 			throw new IllegalArgumentException("setupFog doesn't accept the NEAR_AND_FAR fog distance.");
 		}
-		
+
 		// determine the fog distance mode to use
 		int glFogDistanceMode;
 		if (fogQuality == FogQuality.FANCY)
@@ -399,7 +385,7 @@ public class LodRenderer
 			// fast fog (frustum distance based fog)
 			glFogDistanceMode = NVFogDistance.GL_EYE_PLANE_ABSOLUTE_NV;
 		}
-		
+
 		// the multipliers are percentages
 		// of the regular view distance.
 		if (fogDistance == FogDistance.FAR)
@@ -408,7 +394,7 @@ public class LodRenderer
 			// is because we are using fog backwards to how
 			// it is normally used, with it hiding near objects
 			// instead of far objects.
-			
+
 			if (fogQuality == FogQuality.FANCY)
 			{
 				// for more realistic fog when using FAR
@@ -434,16 +420,16 @@ public class LodRenderer
 		{
 			if (fogQuality == FogQuality.FANCY)
 			{
-				RenderSystem.fogEnd(mc.options.renderDistance * 16 * 1.41f);
-				RenderSystem.fogStart(mc.options.renderDistance * 16 * 1.6f);
+				RenderSystem.fogEnd(mc.getRenderDistance() * 16 * 1.41f);
+				RenderSystem.fogStart(mc.getRenderDistance() * 16 * 1.6f);
 			}
 			else if (fogQuality == FogQuality.FAST)
 			{
-				RenderSystem.fogEnd(mc.options.renderDistance * 16 * 1.0f);
-				RenderSystem.fogStart(mc.options.renderDistance * 16 * 1.5f);
+				RenderSystem.fogEnd(mc.getRenderDistance() * 16 * 1.0f);
+				RenderSystem.fogStart(mc.getRenderDistance() * 16 * 1.5f);
 			}
 		}
-		
+
 		GL11.glEnable(GL11.GL_FOG);
 		RenderSystem.enableFog();
 		RenderSystem.setupNvFogDistance();
@@ -466,8 +452,8 @@ public class LodRenderer
 		// disable fog if Minecraft wasn't rendering fog
 		// but we were
 		if (!fogSettings.vanillaIsRenderingFog &&
-				(fogSettings.near.quality != FogQuality.OFF ||
-				fogSettings.far.quality != FogQuality.OFF))
+				    (fogSettings.near.quality != FogQuality.OFF ||
+						     fogSettings.far.quality != FogQuality.OFF))
 		{
 			GL11.glDisable(GL11.GL_FOG);
 		}
@@ -475,99 +461,93 @@ public class LodRenderer
 
 
 	/**
-	 * Create the model view matrix to move the LODs
-	 * from object space into world space.
+	 * Translate the camera relative to the LodDimension's center,
+	 * this is done since all LOD buffers are created in world space
+	 * instead of object space.
+	 * (since AxisAlignedBoundingBoxes (LODs) use doubles and thus have a higher
+	 * accuracy vs the model view matrix, which only uses floats)
 	 */
-	private Matrix4f generateModelViewMatrix(float partialTicks)
+	private Matrix4f offsetTheModelViewMatrix(MatrixStack mcMatrixStack, float partialTicks)
 	{
+		// duplicate the last matrix
+		mcMatrixStack.pushPose();
+		
+		
 		// get all relevant camera info
-		ActiveRenderInfo renderInfo = mc.gameRenderer.getMainCamera();
+		ActiveRenderInfo renderInfo = mc.getGameRenderer().getMainCamera();
 		Vector3d projectedView = renderInfo.getPosition();
-
-
-		// generate the model view matrix
-		MatrixStack matrixStack = new MatrixStack();
-		matrixStack.pushPose();
-		// translate and rotate to the current camera location
-		matrixStack.mulPose(Vector3f.XP.rotationDegrees(renderInfo.getXRot()));
-		matrixStack.mulPose(Vector3f.YP.rotationDegrees(renderInfo.getYRot() + 180));
-		matrixStack.translate(-projectedView.x, -projectedView.y, -projectedView.z);
-
-		return matrixStack.last().pose();
+		
+		// translate the camera relative to the regions' center
+		// (AxisAlignedBoundingBoxes (LODs) use doubles and thus have a higher
+		// accuracy vs the model view matrix, which only uses floats)
+		BlockPos bufferPos = vbosCenter.getWorldPosition();
+		Vector3d eyePos = mc.getPlayer().getEyePosition(partialTicks);
+		double xDiff = eyePos.x - bufferPos.getX();
+		double zDiff = eyePos.z - bufferPos.getZ();
+		mcMatrixStack.translate(-xDiff, -projectedView.y, -zDiff);
+		
+		
+		// get the modified model view matrix
+		Matrix4f lodModelViewMatrix = mcMatrixStack.last().pose(); 
+		// remove the lod ModelViewMatrix
+		mcMatrixStack.popPose();
+		
+		return lodModelViewMatrix;
 	}
 
 
 	/**
 	 * create a new projection matrix and send it over to the GPU
-	 * <br><br>
-	 * A lot of this code is copied from renderLevel (line 567)
-	 * in the GameRender class. The code copied is anything with
-	 * a matrixStack and is responsible for making sure the LOD
-	 * objects distort correctly relative to the rest of the world.
-	 * Distortions are caused by: standing in a nether portal,
-	 * nausea potion effect, walking bobbing.
-	 *
+	 * 
+	 * @param currentProjectionMatrix this is Minecraft's current projection matrix
 	 * @param partialTicks how many ticks into the frame we are
 	 */
-	private void setupProjectionMatrix(float partialTicks)
+	private void setupProjectionMatrix(Matrix4f currentProjectionMatrix, float partialTicks)
 	{
-		// Note: if the LOD objects don't distort correctly
-		// compared to regular minecraft terrain, make sure
-		// all the transformations in renderWorld are here too
-
-		MatrixStack matrixStack = new MatrixStack();
-		matrixStack.pushPose();
-
-		gameRender.bobHurt(matrixStack, partialTicks);
-		if (this.mc.options.bobView)
-		{
-			gameRender.bobView(matrixStack, partialTicks);
-		}
-
-		// potion and nausea effects
-		float f = MathHelper.lerp(partialTicks, this.mc.player.oPortalTime, this.mc.player.portalTime) * this.mc.options.screenEffectScale * this.mc.options.screenEffectScale;
-		if (f > 0.0F)
-		{
-			int i = this.mc.player.hasEffect(Effects.CONFUSION) ? 7 : 20;
-			float f1 = 5.0F / (f * f + 5.0F) - f * 0.04F;
-			f1 = f1 * f1;
-			Vector3f vector3f = new Vector3f(0.0F, MathHelper.SQRT_OF_TWO / 2.0F, MathHelper.SQRT_OF_TWO / 2.0F);
-			matrixStack.mulPose(vector3f.rotationDegrees((gameRender.tick + partialTicks) * i));
-			matrixStack.scale(1.0F / f1, 1.0F, 1.0F);
-			float f2 = -(gameRender.tick + partialTicks) * i;
-			matrixStack.mulPose(vector3f.rotationDegrees(f2));
-		}
-
-
-		// this projection matrix allows us to see past the normal
-		// world render distance
-		Matrix4f projectionMatrix =
-				Matrix4f.perspective(
-						getFov(partialTicks, true),
-						(float) this.mc.getWindow().getScreenWidth() / (float) this.mc.getWindow().getScreenHeight(),
-						// it is possible to see the near clip plane, but
-						// you have to be flying quickly in spectator mode through ungenerated
-						// terrain, so I don't think it is much of an issue.
-						mc.options.renderDistance,
-						farPlaneBlockDistance * LodUtil.CHUNK_WIDTH * 2);
-
-		// add the screen space distortions
-		projectionMatrix.multiply(matrixStack.last().pose());
-		gameRender.resetProjectionMatrix(projectionMatrix);
-		return;
+		// create the new projection matrix
+		Matrix4f lodPoj =
+			Matrix4f.perspective(
+					getFov(partialTicks, true),
+					(float) this.mc.getWindow().getScreenWidth() / (float) this.mc.getWindow().getScreenHeight(),
+					mc.getRenderDistance()/2,
+					farPlaneBlockDistance * LodUtil.CHUNK_WIDTH * 2 / 4);
+		
+		// get Minecraft's un-edited projection matrix
+		// (this is before it is zoomed, distorted, etc.)
+		Matrix4f defaultMcProj = mc.getGameRenderer().getProjectionMatrix(mc.getGameRenderer().getMainCamera(), partialTicks, true);
+		// true here means use "use fov setting" (probably)
+		
+		
+		// this logic strips away the defaultMcProj matrix so we 
+		// can get the distortionMatrix, which represents all
+		// transformations, zooming, distortions, etc. done
+		// to Minecraft's Projection matrix
+		Matrix4f defaultMcProjInv = defaultMcProj.copy();
+		defaultMcProjInv.invert();
+		
+		Matrix4f distortionMatrix = defaultMcProjInv.copy();
+		distortionMatrix.multiply(currentProjectionMatrix);
+		
+		
+		// edit the lod projection to match Minecraft's
+		// (so the LODs line up with the real world)
+		lodPoj.multiply(distortionMatrix);
+		
+		// send the projection over to the GPU
+		gameRender.resetProjectionMatrix(lodPoj);
 	}
 
 
 	/**
 	 * setup the lighting to be used for the LODs
 	 */
-	private void setupLighting(LodDimension lodDimension, float partialTicks)
+	/*private void setupLighting(LodDimension lodDimension, float partialTicks)
 	{
 		// Determine if the player has night vision
 		boolean playerHasNightVision = false;
-		if (this.mc.player != null)
+		if (this.mc.getPlayer() != null)
 		{
-			Iterator<EffectInstance> iterator = this.mc.player.getActiveEffects().iterator();
+			Iterator<EffectInstance> iterator = this.mc.getPlayer().getActiveEffects().iterator();
 			while (iterator.hasNext())
 			{
 				EffectInstance instance = iterator.next();
@@ -579,13 +559,15 @@ public class LodRenderer
 			}
 		}
 
-
-		float sunBrightness = lodDimension.dimension.hasSkyLight() ? mc.level.getSkyDarken(partialTicks) : 0.2f;
+		float sunBrightness = lodDimension.dimension.hasSkyLight() ? mc.getSkyDarken(partialTicks) : 0.2f;
 		sunBrightness = playerHasNightVision ? 1.0f : sunBrightness;
-		float gammaMultiplyer = (float) mc.options.gamma - 0.5f;
-		float lightStrength = ((sunBrightness / 2f) - 0.2f) + (gammaMultiplyer * 0.3f);
+		float gamma = (float) mc.getOptions().gamma - 0.0f;
+		float dayEffect = (sunBrightness - 0.2f) * 1.25f;
+		float lightStrength = (gamma * 0.34f - 0.01f) * (1.0f - dayEffect) + dayEffect - 0.20f; //gamma * 0.2980392157f + 0.1647058824f
+		float blueLightStrength = (gamma * 0.44f + 0.12f) * (1.0f - dayEffect) + dayEffect - 0.20f; //gamma * 0.4235294118f + 0.2784313725f
+
+		float[] lightAmbient = {lightStrength, lightStrength, blueLightStrength, 1.0f};
 
-		float lightAmbient[] = {lightStrength, lightStrength, lightStrength, 1.0f};
 
 		// can be used for debugging
 		//		if (partialTicks < 0.005)
@@ -597,26 +579,14 @@ public class LodRenderer
 		GL11.glEnable(LOD_GL_LIGHT_NUMBER); // Enable the above lighting
 
 		RenderSystem.enableLighting();
-	}
+	}*/
 
 	/**
 	 * Create all buffers that will be used.
 	 */
-	public void setupBuffers(int numbRegionsWide)
+	public void setupBuffers(LodDimension lodDim)
 	{
-		// calculate the max amount of memory needed (in bytes)
-		int bufferMemory = RenderUtil.getBufferMemoryForRegion();
-
-		// if the required memory is greater than the
-		// MAX_ALOCATEABLE_DIRECT_MEMORY lower the lodChunkRadiusMultiplier
-		// to fit.
-		if (bufferMemory > MAX_ALOCATEABLE_DIRECT_MEMORY)
-		{
-			ClientProxy.LOGGER.warn("setupBuffers tried to allocate too much memory for the BufferBuilders."
-					                        + " It tried to allocate \"" + bufferMemory + "\" bytes, when \"" + MAX_ALOCATEABLE_DIRECT_MEMORY + "\" is the max.");
-		}
-
-		lodBufferBuilder.setupBuffers(numbRegionsWide, bufferMemory);
+		lodBufferBuilder.setupBuffers(lodDim);
 	}
 
 
@@ -636,13 +606,18 @@ public class LodRenderer
 
 	/**
 	 * Replace the current Vertex Buffers with the newly
-	 * created buffers from the lodBufferBuilder.
+	 * created buffers from the lodBufferBuilder. <br><br>
+	 *
+	 * For some reason this has to be called after the frame has been rendered,
+	 * otherwise visual stuttering/rubber banding may happen. I'm not sure why...
 	 */
 	private void swapBuffers()
 	{
 		// replace the drawable buffers with
 		// the newly created buffers from the lodBufferBuilder
-		vbos = lodBufferBuilder.getVertexBuffers();
+		VertexBuffersAndOffset result = lodBufferBuilder.getVertexBuffers();
+		vbos = result.vbos;
+		vbosCenter = result.drawableCenterChunkPos;
 	}
 
 	/**
@@ -656,7 +631,7 @@ public class LodRenderer
 
 	private double getFov(float partialTicks, boolean useFovSetting)
 	{
-		return mc.gameRenderer.getFov(mc.gameRenderer.getMainCamera(), partialTicks, useFovSetting);
+		return mc.getGameRenderer().getFov(mc.getGameRenderer().getMainCamera(), partialTicks, useFovSetting);
 	}
 
 
@@ -668,14 +643,11 @@ public class LodRenderer
 		NearFarFogSettings fogSettings = new NearFarFogSettings();
 
 
-		FogQuality quality = reflectionHandler.getFogQuality();
+		FogQuality quality = ReflectionHandler.INSTANCE.getFogQuality();
 		FogDrawOverride override = LodConfig.CLIENT.graphics.fogDrawOverride.get();
 
 
-		if (quality == FogQuality.OFF)
-			fogSettings.vanillaIsRenderingFog = false;
-		else
-			fogSettings.vanillaIsRenderingFog = true;
+		fogSettings.vanillaIsRenderingFog = quality != FogQuality.OFF;
 
 
 		// use any fog overrides the user may have set
@@ -700,7 +672,7 @@ public class LodRenderer
 
 
 		// only use fancy fog if the user's GPU can deliver
-		if (!fancyFogAvailable && quality == FogQuality.FANCY)
+		if (!GlProxy.getInstance().fancyFogAvailable && quality == FogQuality.FANCY)
 		{
 			quality = FogQuality.FAST;
 		}
@@ -770,65 +742,69 @@ public class LodRenderer
 
 		return fogSettings;
 	}
-	
-	
+
+
 	/**
 	 * Determines if the LODs should have a fullRegen or partialRegen
 	 */
-	@SuppressWarnings("unchecked")
 	private void determineIfLodsShouldRegenerate(LodDimension lodDim)
 	{
-
-		short renderDistance = (short) mc.options.renderDistance;
+		short chunkRenderDistance = (short) mc.getRenderDistance();
+		
+		int vanillaRenderedChunksWidth = chunkRenderDistance*2+2;
+		vanillaRenderedChunks = new boolean[vanillaRenderedChunksWidth][vanillaRenderedChunksWidth];
+		
+		
+		
 		//=============//
 		// full regens //
 		//=============//
+		
 		// check if the view distance changed
 		if (ClientProxy.previousLodRenderDistance != LodConfig.CLIENT.graphics.lodChunkRenderDistance.get()
-			    || mc.options.renderDistance != prevRenderDistance
-			    || prevFogDistance != LodConfig.CLIENT.graphics.fogDistance.get())
+				    ||  mc.getRenderDistance()  != prevRenderDistance
+				    || prevFogDistance != LodConfig.CLIENT.graphics.fogDistance.get())
 		{
 			DetailDistanceUtil.updateSettings();
 			fullRegen = true;
-			previousPos.changeParameters((byte) 4, mc.player.xChunk, mc.player.zChunk);
+			previousPos = LevelPosUtil.createLevelPos((byte) 4, mc.getPlayer().xChunk, mc.getPlayer().zChunk);
 			prevFogDistance = LodConfig.CLIENT.graphics.fogDistance.get();
-			prevRenderDistance = mc.options.renderDistance;
-			//should use this when it's ready
-			vanillaRenderedChunks = new boolean[renderDistance*2+2][renderDistance*2+2];
+			prevRenderDistance = mc.getRenderDistance();
 		}
-		
+
 		// did the user change the debug setting?
 		if (LodConfig.CLIENT.debugging.debugMode.get() != previousDebugMode)
 		{
 			previousDebugMode = LodConfig.CLIENT.debugging.debugMode.get();
 			fullRegen = true;
 		}
-		
-		
+
+
 		long newTime = System.currentTimeMillis();
-		
-		// check if the player has moved
-		if (newTime - prevPlayerPosTime > LodConfig.CLIENT.buffers.bufferRebuildPlayerMoveTimeout.get())
+
+		if(LodConfig.CLIENT.graphics.detailDropOff.get() == DetailDropOff.BY_CHUNK)
 		{
-			if (previousPos.detailLevel == 0
-				|| mc.player.xChunk != previousPos.posX
-				|| mc.player.zChunk != previousPos.posZ)
+			// check if the player has moved
+			if (newTime - prevPlayerPosTime > LodConfig.CLIENT.buffers.bufferRebuildPlayerMoveTimeout.get())
 			{
-				fullRegen = true;
-				previousPos.changeParameters((byte) 4, mc.player.xChunk, mc.player.zChunk);
-				//should use this when it's ready
-				vanillaRenderedChunks = new boolean[renderDistance*2+2][renderDistance*2+2];
+				if (LevelPosUtil.getDetailLevel(previousPos) == 0
+						    || mc.getPlayer().xChunk != LevelPosUtil.getPosX(previousPos)
+						    || mc.getPlayer().zChunk != LevelPosUtil.getPosZ(previousPos))
+				{
+					fullRegen = true;
+					previousPos = LevelPosUtil.createLevelPos((byte) 4, mc.getPlayer().xChunk, mc.getPlayer().zChunk);
+				}
+				prevPlayerPosTime = newTime;
 			}
-			prevPlayerPosTime = newTime;
 		}
-		
-		
-		
+
+
+
 		//================//
 		// partial regens //
 		//================//
-		
-		
+
+
 		// check if the vanilla rendered chunks changed
 		if (newTime - prevVanillaChunkTime > LodConfig.CLIENT.buffers.bufferRebuildChunkChangeTimeout.get())
 		{
@@ -840,8 +816,8 @@ public class LodRenderer
 			}
 			prevVanillaChunkTime = newTime;
 		}
-		
-		
+
+
 		// check if there is any newly generated terrain to show
 		if (newTime - prevChunkTime > LodConfig.CLIENT.buffers.bufferRebuildLodChangeTimeout.get())
 		{
@@ -852,43 +828,54 @@ public class LodRenderer
 			}
 			prevChunkTime = newTime;
 		}
-		
-		
-		
-		
+
+		// check if the lighting has changed
+		if (mc.getClientWorld().getDayTime() - prevDayTime > 1000 || mc.getOptions().gamma != prevBrightness || lightMap == null)
+		{
+			fullRegen = true;
+			lightMap = mc.getCurrentLightMap();
+			prevBrightness = mc.getOptions().gamma;
+			prevDayTime = mc.getClientWorld().getDayTime();
+		}
+
+
+
+
 		//==============//
 		// LOD skipping //
 		//==============//
-		
+
 		// determine which LODs should not be rendered close to the player
-		HashSet<ChunkPos> chunkPosToSkip = LodUtil.getNearbyLodChunkPosToSkip(lodDim, mc.player.blockPosition());
-		int chunkX;
-		int chunkZ;
+		HashSet<ChunkPos> chunkPosToSkip = LodUtil.getNearbyLodChunkPosToSkip(lodDim, mc.getPlayer().blockPosition());
+		int xIndex;
+		int zIndex;
 		for (ChunkPos pos : chunkPosToSkip)
 		{
-			chunkX = pos.x - mc.player.xChunk + renderDistance + 1;
-			chunkZ = pos.z - mc.player.zChunk + renderDistance + 1;
-			try
+			xIndex = (pos.x - mc.getPlayer().xChunk) + (chunkRenderDistance + 1);
+			zIndex = (pos.z - mc.getPlayer().zChunk) + (chunkRenderDistance + 1);
+			
+			// sometimes we are given chunks that are outside the render distance,
+			// This prevents index out of bounds exceptions
+			if (xIndex >= 0 && zIndex >= 0
+				&& xIndex < vanillaRenderedChunks.length 
+				&& zIndex < vanillaRenderedChunks.length)
 			{
-				if (!vanillaRenderedChunks[chunkX][chunkZ])
+				if (!vanillaRenderedChunks[xIndex][zIndex])
 				{
-					vanillaRenderedChunks[chunkX][chunkZ] = true;
+					vanillaRenderedChunks[xIndex][zIndex] = true;
 					vanillaRenderedChunksChanged = true;
 					lodDim.setToRegen(pos.getRegionX(), pos.getRegionZ());
 				}
-			}catch (Exception e){
-				System.out.println(vanillaRenderedChunks.length);
-				e.printStackTrace();
 			}
 		}
 		
 		
 		// if the player is high enough, draw all LODs
-		if(chunkPosToSkip.isEmpty() && mc.player.position().y > 256)
+		if(chunkPosToSkip.isEmpty() && mc.getPlayer().position().y > 256)
 		{
-			vanillaRenderedChunks = new boolean[renderDistance*2+2][renderDistance*2+2];
+			vanillaRenderedChunks = new boolean[vanillaRenderedChunksWidth][vanillaRenderedChunksWidth];
 			vanillaRenderedChunksChanged = true;
 		}
 	}
-	
-}
+
+}

src/main/java/com/seibel/lod/render/RenderUtil.java

@@ -19,9 +19,11 @@ package com.seibel.lod.render;
 
 import com.seibel.lod.config.LodConfig;
 import com.seibel.lod.enums.LodTemplate;
+import com.seibel.lod.objects.LodRegion;
+import com.seibel.lod.util.DetailDistanceUtil;
 import com.seibel.lod.util.LodUtil;
+import com.seibel.lod.wrappers.MinecraftWrapper;
 
-import net.minecraft.client.Minecraft;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
 import net.minecraft.util.math.vector.Vector3d;
@@ -35,7 +37,7 @@ import net.minecraft.util.math.vector.Vector3d;
  */
 public class RenderUtil
 {
-	private static final Minecraft mc = Minecraft.getInstance();
+	private static final MinecraftWrapper mc = MinecraftWrapper.INSTANCE;
 	
 	
 	/**
@@ -44,28 +46,24 @@ public class RenderUtil
 	 */
 	public static boolean isChunkPosInLoadedArea(ChunkPos pos, ChunkPos center)
 	{
-		Minecraft mc = Minecraft.getInstance();
-		
-		return (pos.x >= center.x - mc.options.renderDistance 
-				&& pos.x <= center.x + mc.options.renderDistance) 
+		return (pos.x >= center.x - mc.getRenderDistance() 
+				&& pos.x <= center.x + mc.getRenderDistance()) 
 				&& 
-				(pos.z >= center.z - mc.options.renderDistance 
-				&& pos.z <= center.z + mc.options.renderDistance);
+				(pos.z >= center.z - mc.getRenderDistance() 
+				&& pos.z <= center.z + mc.getRenderDistance());
 	}
 	
 	/**
 	 * Returns if the given coordinate is in the loaded area of the world.
 	 * @param centerCoordinate the center of the loaded world
 	 */
-	public static boolean isCoordinateInLoadedArea(int i, int j, int centerCoordinate)
+	public static boolean isCoordinateInLoadedArea(int x, int z, int centerCoordinate)
 	{
-		Minecraft mc = Minecraft.getInstance();
-		
-		return (i >= centerCoordinate - mc.options.renderDistance 
-				&& i <= centerCoordinate + mc.options.renderDistance) 
+		return (x >= centerCoordinate - mc.getRenderDistance() 
+				&& x <= centerCoordinate + mc.getRenderDistance()) 
 				&& 
-				(j >= centerCoordinate - mc.options.renderDistance 
-				&& j <= centerCoordinate + mc.options.renderDistance);
+				(z >= centerCoordinate - mc.getRenderDistance() 
+				&& z <= centerCoordinate + mc.getRenderDistance());
 	}
 	
 	
@@ -93,24 +91,23 @@ public class RenderUtil
 	 * it is possible (albeit unlikely) to have a buffer indexOutOfBounds exception
 	 * which is caused by the buffer not being big enough.
 	 */
-	public static int getBufferMemoryForRegion()
+	public static int getBufferMemoryForRegion(LodRegion region)
 	{
 		// calculate the max amount of buffer memory needed (in bytes)
-		return LodUtil.REGION_WIDTH_IN_CHUNKS * LodUtil.REGION_WIDTH_IN_CHUNKS *
-				LodConfig.CLIENT.graphics.lodTemplate.get().getBufferMemoryForSingleLod();
+		return region.getMinMemoryNeeded(LodConfig.CLIENT.graphics.lodTemplate.get());
 	}
 	
 	/**
 	 * Returns the maxViewDistanceMultiplier for the given LodTemplate
 	 * at the given LodDetail level.
 	 */
-	public static int getMaxRadiusMultiplierWithAvaliableMemory(LodTemplate lodTemplate, int detailLevel)
+	/*public static int getMaxRadiusMultiplierWithAvaliableMemory(LodTemplate lodTemplate, int detailLevel)
 	{
 		int maxNumberOfLods = LodRenderer.MAX_ALOCATEABLE_DIRECT_MEMORY / lodTemplate.getBufferMemoryForSingleLod();
 		int numbLodsWide = (int) Math.sqrt(maxNumberOfLods);
 		
-		return numbLodsWide / (2 * mc.options.renderDistance);
-	}
+		return numbLodsWide / (2 * mc.getRenderDistance());
+	}*/
 	
 	
 	/**

src/main/java/com/seibel/lod/util/ColorUtil.java

@@ -67,4 +67,48 @@ public class ColorUtil
 				LodUtil.clamp(0.0f, hsv[1] * saturationMultiplier, 1.0f),
 				LodUtil.clamp(0.0f, hsv[2] * brightnessMultiplier, 1.0f)).getRGB();
 	}
+
+	/**
+	 * Edit the given color as a HSV (Hue Saturation Value) color.
+	 */
+	public static int changeBrightness(int color, float brightness)
+	{
+		float[] hsv = Color.RGBtoHSB(getRed(color), getGreen(color), getBlue(color), null);
+		return Color.getHSBColor(
+				hsv[0], // hue
+				hsv[1],
+				brightness).getRGB();
+	}
+
+	/**
+	 * Edit the given color as a HSV (Hue Saturation Value) color.
+	 */
+	public static int changeBrightnessValue(int color, int brightnessColor)
+	{
+		float[] hsv = Color.RGBtoHSB(getRed(color), getGreen(color), getBlue(color), null);
+		float brightness = Color.RGBtoHSB(getRed(brightnessColor), getGreen(brightnessColor), getBlue(brightnessColor), null)[2];
+		return Color.getHSBColor(
+				hsv[0], // hue
+				hsv[1],
+				brightness).getRGB();
+	}
+	public static int multiplyRGBcolors(int color1, int color2)
+	{
+		/**TODO FIX the alpha*/
+		return 0xFF000000 | (((getRed(color1) * getRed(color2)) << 8) & 0xFF0000) | ((getGreen(color1) * getGreen(color2)) & 0xFF00) | (((getBlue(color1) * getBlue(color2)) >> 8) & 0xFF);
+	}
+
+
+	public static String toString(int color)
+	{
+		StringBuilder s = new StringBuilder();
+		s.append(Integer.toHexString(getAlpha(color)));
+		s.append(" ");
+		s.append(Integer.toHexString(getRed(color)));
+		s.append(" ");
+		s.append(Integer.toHexString(getGreen(color)));
+		s.append(" ");
+		s.append(Integer.toHexString(getBlue(color)));
+		return s.toString();
+	}
 }

src/main/java/com/seibel/lod/util/DataPointUtil.java

@@ -0,0 +1,448 @@
+package com.seibel.lod.util;
+
+import java.util.Arrays;
+
+import com.seibel.lod.enums.DistanceGenerationMode;
+
+import net.minecraft.client.renderer.texture.NativeImage;
+
+public class DataPointUtil
+{
+	/*
+	|a  |a  |a  |a  |r  |r  |r  |r   |
+
+	|r  |r  |r  |r  |g  |g  |g  |g  |
+
+	|g  |g  |g  |g  |b  |b  |b  |b  |
+
+	|b  |b  |b  |b  |h  |h  |h  |h  |
+
+	|h  |h  |h  |h  |h  |h  |d  |d  |
+
+	|d  |d  |d  |d  |d  |d  |d  |d  |
+
+	|bl |bl |bl |bl |sl |sl |sl |sl |
+
+	|l  |l  |f  |g  |g  |g  |v  |e  |
+
+
+	 */
+	//To be used in the future for negative value
+	//public final static int MIN_DEPTH = -64;
+	//public final static int MIN_HEIGHT = -64;
+	public final static int EMPTY_DATA = 0;
+	public static int worldHeight = 256;
+
+	public final static int ALPHA_DOWNSIZE_SHIFT = 4;
+
+	//public final static int BLUE_COLOR_SHIFT = 0;
+	//public final static int GREEN_COLOR_SHIFT = 8;
+	//public final static int RED_COLOR_SHIFT = 16;
+	//public final static int ALPHA_COLOR_SHIFT = 24;
+
+	public final static int BLUE_SHIFT = 36;
+	public final static int GREEN_SHIFT = BLUE_SHIFT + 8;
+	public final static int RED_SHIFT = BLUE_SHIFT + 16;
+	public final static int ALPHA_SHIFT = BLUE_SHIFT + 24;
+
+	public final static int COLOR_SHIFT = 36;
+
+	public final static int HEIGHT_SHIFT = 26;
+	public final static int DEPTH_SHIFT = 16;
+	public final static int BLOCK_LIGHT_SHIFT = 12;
+	public final static int SKY_LIGHT_SHIFT = 8;
+	//public final static int LIGHTS_SHIFT = SKY_LIGHT_SHIFT;
+	//public final static int VERTICAL_INDEX_SHIFT = 6;
+	//public final static int FLAG_SHIFT = 5;
+	public final static int GEN_TYPE_SHIFT = 2;
+	public final static int VOID_SHIFT = 1;
+	public final static int EXISTENCE_SHIFT = 0;
+
+	public final static long ALPHA_MASK = 0b1111;
+	public final static long RED_MASK = 0b1111_1111;
+	public final static long GREEN_MASK = 0b1111_1111;
+	public final static long BLUE_MASK = 0b1111_1111;
+	//public final static long COLOR_MASK = 0b11111111_11111111_11111111;
+	public final static long HEIGHT_MASK = 0b11_1111_1111;
+	public final static long DEPTH_MASK = 0b11_1111_1111;
+	//public final static long LIGHTS_MASK = 0b1111_1111;
+	public final static long BLOCK_LIGHT_MASK = 0b1111;
+	public final static long SKY_LIGHT_MASK = 0b1111;
+	//public final static long VERTICAL_INDEX_MASK = 0b11;
+	//public final static long FLAG_MASK = 0b1;
+	public final static long GEN_TYPE_MASK = 0b111;
+	public final static long VOID_MASK = 1;
+	public final static long EXISTENCE_MASK = 1;
+
+
+	public static long createVoidDataPoint(int generationMode)
+	{
+		long dataPoint = 0;
+		dataPoint += (generationMode & GEN_TYPE_MASK) << GEN_TYPE_SHIFT;
+		dataPoint += VOID_MASK << VOID_SHIFT;
+		dataPoint += EXISTENCE_MASK << EXISTENCE_SHIFT;
+		return dataPoint;
+	}
+
+	public static long createDataPoint(int height, int depth, int color, int lightSky, int lightBlock, int generationMode)
+	{
+		return createDataPoint(
+				ColorUtil.getAlpha(color),
+				ColorUtil.getRed(color),
+				ColorUtil.getGreen(color),
+				ColorUtil.getBlue(color),
+				height, depth, lightSky, lightBlock, generationMode);
+	}
+
+	public static long createDataPoint(int alpha, int red, int green, int blue, int height, int depth, int lightSky, int lightBlock, int generationMode)
+	{
+		long dataPoint = 0;
+		dataPoint += ((alpha >>> ALPHA_DOWNSIZE_SHIFT) & ALPHA_MASK) << ALPHA_SHIFT;
+		dataPoint += (red & RED_MASK) << RED_SHIFT;
+		dataPoint += (green & GREEN_MASK) << GREEN_SHIFT;
+		dataPoint += (blue & BLUE_MASK) << BLUE_SHIFT;
+		dataPoint += (height & HEIGHT_MASK) << HEIGHT_SHIFT;
+		dataPoint += (depth & DEPTH_MASK) << DEPTH_SHIFT;
+		dataPoint += (lightBlock & BLOCK_LIGHT_MASK) << BLOCK_LIGHT_SHIFT;
+		dataPoint += (lightSky & SKY_LIGHT_MASK) << SKY_LIGHT_SHIFT;
+		dataPoint += (generationMode & GEN_TYPE_MASK) << GEN_TYPE_SHIFT;
+		dataPoint += EXISTENCE_MASK << EXISTENCE_SHIFT;
+		return dataPoint;
+	}
+
+	public static short getHeight(long dataPoint)
+	{
+		return (short) ((dataPoint >>> HEIGHT_SHIFT) & HEIGHT_MASK);
+	}
+
+	public static short getDepth(long dataPoint)
+	{
+
+		return (short) ((dataPoint >>> DEPTH_SHIFT) & DEPTH_MASK);
+	}
+
+	public static short getAlpha(long dataPoint)
+	{
+		return (short) (((dataPoint >>> ALPHA_SHIFT) & ALPHA_MASK) << ALPHA_DOWNSIZE_SHIFT);
+	}
+
+	public static short getRed(long dataPoint)
+	{
+		return (short) ((dataPoint >>> RED_SHIFT) & RED_MASK);
+	}
+
+	public static short getGreen(long dataPoint)
+	{
+		return (short) ((dataPoint >>> GREEN_SHIFT) & GREEN_MASK);
+	}
+
+	public static short getBlue(long dataPoint)
+	{
+		return (short) ((dataPoint >>> BLUE_SHIFT) & BLUE_MASK);
+	}
+
+	public static int getLightSky(long dataPoint)
+	{
+		return (int) ((dataPoint >>> SKY_LIGHT_SHIFT) & SKY_LIGHT_MASK);
+	}
+
+	public static int getLightBlock(long dataPoint)
+	{
+		return (int) ((dataPoint >>> BLOCK_LIGHT_SHIFT) & BLOCK_LIGHT_MASK);
+	}
+
+	public static byte getGenerationMode(long dataPoint)
+	{
+		return (byte) ((dataPoint >>> GEN_TYPE_SHIFT) & GEN_TYPE_MASK);
+	}
+
+
+	public static boolean isItVoid(long dataPoint)
+	{
+		return (((dataPoint >>> VOID_SHIFT) & VOID_MASK) == 1);
+	}
+
+	public static boolean doesItExist(long dataPoint)
+	{
+		return (((dataPoint >>> EXISTENCE_SHIFT) & EXISTENCE_MASK) == 1);
+	}
+
+	public static int getColor(long dataPoint)
+	{
+		//int color = getBlue(dataPoint) << BLUE_COLOR_SHIFT;
+		//color += getRed(dataPoint) << BLUE_COLOR_SHIFT;
+		return (int) (dataPoint >>> COLOR_SHIFT);
+	}
+
+	public static int getLightColor(long dataPoint, NativeImage lightMap)
+	{
+		int lightBlock = getLightBlock(dataPoint);
+		int lightSky = getLightSky(dataPoint);
+		int color = lightMap.getPixelRGBA(lightBlock, lightSky);
+		int red = ColorUtil.getBlue(color);
+		int green = ColorUtil.getGreen(color);
+		int blue = ColorUtil.getRed(color);
+
+		return ColorUtil.multiplyRGBcolors(getColor(dataPoint), ColorUtil.rgbToInt(red, green, blue));
+	}
+
+	public static String toString(long dataPoint)
+	{
+		StringBuilder s = new StringBuilder();
+		s.append(getHeight(dataPoint));
+		s.append(" ");
+		s.append(getDepth(dataPoint));
+		s.append(" ");
+		s.append(getAlpha(dataPoint));
+		s.append(" ");
+		s.append(getRed(dataPoint));
+		s.append(" ");
+		s.append(getBlue(dataPoint));
+		s.append(" ");
+		s.append(getGreen(dataPoint));
+		s.append(" ");
+		s.append(getLightBlock(dataPoint));
+		s.append(" ");
+		s.append(getLightSky(dataPoint));
+		s.append(" ");
+		s.append(getGenerationMode(dataPoint));
+		s.append(" ");
+		s.append(isItVoid(dataPoint));
+		s.append(" ");
+		s.append(doesItExist(dataPoint));
+		s.append('\n');
+		return s.toString();
+	}
+
+	public static long mergeSingleData(long[] dataToMerge)
+	{
+		int numberOfChildren = 0;
+
+		int tempAlpha = 0;
+		int tempRed = 0;
+		int tempGreen = 0;
+		int tempBlue = 0;
+		int tempHeight = Integer.MIN_VALUE;
+		int tempDepth = Integer.MAX_VALUE;
+		int tempLightBlock = 0;
+		int tempLightSky = 0;
+		byte tempGenMode = DistanceGenerationMode.SERVER.complexity;
+		boolean allEmpty = true;
+		boolean allVoid = true;
+		for (long data : dataToMerge)
+		{
+			if (DataPointUtil.doesItExist(data))
+			{
+				allEmpty = false;
+				if (!(DataPointUtil.isItVoid(data)))
+				{
+					numberOfChildren++;
+					allVoid = false;
+					tempAlpha += DataPointUtil.getAlpha(data);
+					tempRed += DataPointUtil.getRed(data);
+					tempGreen += DataPointUtil.getGreen(data);
+					tempBlue += DataPointUtil.getBlue(data);
+					tempHeight = Math.max(tempHeight, DataPointUtil.getHeight(data));
+					tempDepth = Math.min(tempDepth, DataPointUtil.getDepth(data));
+					tempLightBlock += DataPointUtil.getLightBlock(data);
+					tempLightSky += DataPointUtil.getLightSky(data);
+				}
+				tempGenMode = (byte) Math.min(tempGenMode, DataPointUtil.getGenerationMode(data));
+			} else
+			{
+				tempGenMode = (byte) Math.min(tempGenMode, DistanceGenerationMode.NONE.complexity);
+			}
+		}
+
+		if (allEmpty)
+		{
+			//no child has been initialized
+			return DataPointUtil.EMPTY_DATA;
+		} else if (allVoid)
+		{
+			//all the children are void
+			return DataPointUtil.createVoidDataPoint(tempGenMode);
+		} else
+		{
+			//we have at least 1 child
+			tempAlpha = tempAlpha / numberOfChildren;
+			tempRed = tempRed / numberOfChildren;
+			tempGreen = tempGreen / numberOfChildren;
+			tempBlue = tempBlue / numberOfChildren;
+			tempLightBlock = tempLightBlock / numberOfChildren;
+			tempLightSky = tempLightSky / numberOfChildren;
+			return DataPointUtil.createDataPoint(tempAlpha, tempRed, tempGreen, tempBlue, tempHeight, tempDepth, tempLightSky, tempLightBlock, tempGenMode);
+		}
+	}
+
+	public static long[] mergeMultiData(long[] dataToMerge, int inputVerticalData, int maxVerticalData)
+	{
+		int size = dataToMerge.length / inputVerticalData;
+
+		//We initialise the arrays that are going to be used
+		short[] projection = ThreadMapUtil.getProjectionShort();
+		short[] heightAndDepth = ThreadMapUtil.getHeightAndDepth();
+		long[] singleDataToMerge = ThreadMapUtil.getSingleAddDataToMerge();
+		long[] dataPoint = ThreadMapUtil.verticalDataArray();
+
+		if (projection == null || projection.length != (worldHeight) / 16 + 1)
+			projection = new short[(worldHeight) / 16 + 1];
+		else
+			Arrays.fill(projection, (short) 0);
+
+		if (heightAndDepth == null || heightAndDepth.length != (worldHeight + 1) * 2)
+			heightAndDepth = new short[(worldHeight + 1) * 2];
+		else
+			Arrays.fill(heightAndDepth, (short) 0);
+
+		if (singleDataToMerge == null || singleDataToMerge.length != size)
+			singleDataToMerge = new long[size];
+		else
+			Arrays.fill(singleDataToMerge, EMPTY_DATA);
+
+		if (dataPoint == null || dataPoint.length != worldHeight + 1)
+			dataPoint = new long[worldHeight + 1];
+		else
+			Arrays.fill(dataPoint, EMPTY_DATA);
+
+		int genMode = DistanceGenerationMode.SERVER.complexity;
+		boolean allEmpty = true;
+		boolean allVoid = true;
+		long singleData;
+
+
+		short depth;
+		short height;
+
+		//We collect the indexes of the data, ordered by the depth
+		for (int index = 0; index < size; index++)
+		{
+			for (int dataIndex = 0; dataIndex < inputVerticalData; dataIndex++)
+			{
+				singleData = dataToMerge[index * inputVerticalData + dataIndex];
+				if (doesItExist(singleData))
+				{
+					genMode = Math.min(genMode, getGenerationMode(singleData));
+					allEmpty = false;
+					if (!isItVoid(singleData))
+					{
+						allVoid = false;
+						depth = getDepth(singleData);
+						height = getHeight(singleData);
+						for (int y = depth; y <= height; y++)
+							projection[y / 16] |= 1 << (y & 0xf);
+					}
+				}
+			}
+		}
+		//We check if there is any data that's not empty or void
+		if (allEmpty)
+		{
+			return dataPoint;
+		}
+		if (allVoid)
+		{
+			dataPoint[0] = createVoidDataPoint(genMode);
+			return dataPoint;
+		}
+		//We extract the merged data
+		int count = 0;
+		int i = 0;
+		int ii = 0;
+		while (i < projection.length)
+		{
+			while (i < projection.length && projection[i] == 0) i++;
+			if (i == projection.length)
+				break; //we reached end of WORLD_HEIGHT and it's nothing more here
+			while (ii < 15 && ((projection[i] >>> ii) & 1) == 0) ii++;
+			if (ii >= 15 && ((projection[i] >>> ii) & 1) == 0) //there is nothing more in this chunk
+			{
+				ii = 0;
+				i++;
+				continue;
+			}
+			depth = (short) (i * 16 + ii);
+
+			while (ii < 15 && ((projection[i] >>> ii) & 1) == 1) ii++;
+			if (ii >= 15 && ((projection[i] >>> ii) & 1) == 1) //if end is not in this chunk
+			{
+				ii = 0;
+				i++;
+				while (i < projection.length && ~(projection[i]) == 0) i++; //check for big solid blocks
+				if (i == projection.length) //solid to WORLD_HEIGHT
+				{
+					heightAndDepth[count * 2] = depth;
+					heightAndDepth[count * 2 + 1] = (short) (worldHeight - 1);
+					break;
+				}
+				while ((((projection[i] >>> ii) & 1) == 1)) ii++;
+			}
+			height = (short) (i * 16 + ii - 1);
+			heightAndDepth[count * 2] = depth;
+			heightAndDepth[count * 2 + 1] = height;
+			count++;
+		}
+
+		//we limit the vertical portion to maxVerticalData
+		int j = 0;
+		while (count > maxVerticalData)
+		{
+			ii = worldHeight;
+			for (i = 0; i < count - 1; i++)
+			{
+				if (heightAndDepth[(i + 1) * 2] - heightAndDepth[i * 2 + 1] < ii)
+				{
+					ii = heightAndDepth[(i + 1) * 2] - heightAndDepth[i * 2 + 1];
+					j = i;
+				}
+			}
+			heightAndDepth[j * 2 + 1] = heightAndDepth[(j + 1) * 2 + 1];
+			for (i = j + 1; i < count - 1; i++)
+			{
+				heightAndDepth[i * 2] = heightAndDepth[(i + 1) * 2];
+				heightAndDepth[i * 2 + 1] = heightAndDepth[(i + 1) * 2 + 1];
+			}
+			//System.arraycopy(heightAndDepth,j + 1, heightAndDepth, j,count - j - 1);
+			count--;
+		}
+		//As standard the vertical lods are ordered from top to bottom
+		for (j = 0; j < count; j++)
+		{
+			depth = heightAndDepth[j * 2];
+			height = heightAndDepth[j * 2 + 1];
+			if ((depth == 0 && height == 0) || j >= heightAndDepth.length / 2)
+				break;
+			for (int k = 0; k < size; k++)
+			{
+				singleDataToMerge[k] = 0;
+			}
+			for (int index = 0; index < size; index++)
+			{
+				for (int dataIndex = 0; dataIndex < inputVerticalData; dataIndex++)
+				{
+					singleData = dataToMerge[index * inputVerticalData + dataIndex];
+					if (doesItExist(singleData) && !isItVoid(singleData))
+					{
+						if ((depth <= getDepth(singleData) && getDepth(singleData) <= height)
+								    || (depth <= getHeight(singleData) && getHeight(singleData) <= height))
+						{
+							if (getHeight(singleData) > getHeight(singleDataToMerge[index]))
+							{
+								singleDataToMerge[index] = singleData;
+							}
+						}
+					}
+				}
+			}
+			long data = mergeSingleData(singleDataToMerge);
+
+			dataPoint[count - j - 1] = createDataPoint(height, depth, getColor(data), getLightSky(data), getLightBlock(data), getGenerationMode(data));
+		}
+		return dataPoint;
+	}
+
+	public static long[] compress(long[] data, byte detailLevel)
+	{
+		return null;
+	}
+}

src/main/java/com/seibel/lod/util/DetailDistanceUtil.java

@@ -2,48 +2,59 @@ package com.seibel.lod.util;
 
 import com.seibel.lod.config.LodConfig;
 import com.seibel.lod.enums.DistanceGenerationMode;
-import com.seibel.lod.enums.LodDetail;
-import com.seibel.lod.objects.RegionPos;
-
-import net.minecraft.client.Minecraft;
+import com.seibel.lod.enums.HorizontalResolution;
 
 public class DetailDistanceUtil
 {
 	private static double genMultiplier = 1.0;
 	private static double treeGenMultiplier = 1.0;
 	private static double treeCutMultiplier = 1.0;
-	private static int minGenDetail = LodConfig.CLIENT.worldGenerator.maxGenerationDetail.get().detailLevel;
-	private static int minDrawDetail = Math.max(LodConfig.CLIENT.graphics.maxDrawDetail.get().detailLevel,LodConfig.CLIENT.worldGenerator.maxGenerationDetail.get().detailLevel);
+	private static int minGenDetail = LodConfig.CLIENT.worldGenerator.generationResolution.get().detailLevel;
+	private static int minDrawDetail = Math.max(LodConfig.CLIENT.graphics.drawResolution.get().detailLevel,LodConfig.CLIENT.worldGenerator.generationResolution.get().detailLevel);
 	private static int maxDetail = LodUtil.REGION_DETAIL_LEVEL + 1;
 	private static int minDistance = 0;
 	private static int maxDistance = LodConfig.CLIENT.graphics.lodChunkRenderDistance.get() * 16 * 2;
 	private static int base = 2;
 	private static double logBase = Math.log(2);
 
-	private static LodDetail[] lodDetails = {
-			LodDetail.FULL,
-			LodDetail.HALF,
-			LodDetail.QUAD,
-			LodDetail.DOUBLE,
-			LodDetail.SINGLE,
-			LodDetail.SINGLE,
-			LodDetail.SINGLE,
-			LodDetail.SINGLE,
-			LodDetail.SINGLE,
-			LodDetail.SINGLE,
-			LodDetail.SINGLE};
+	private static int[] maxVerticalData = {
+			4,
+			4,
+			4,
+			2,
+			2,
+			1,
+			1,
+			1,
+			1,
+			1,
+			1};
+
+
+	private static HorizontalResolution[] lodGenDetails = {
+			HorizontalResolution.BLOCK,
+			HorizontalResolution.TWO_BLOCKS,
+			HorizontalResolution.FOUR_BLOCKS,
+			HorizontalResolution.HALF_CHUNK,
+			HorizontalResolution.CHUNK,
+			HorizontalResolution.CHUNK,
+			HorizontalResolution.CHUNK,
+			HorizontalResolution.CHUNK,
+			HorizontalResolution.CHUNK,
+			HorizontalResolution.CHUNK,
+			HorizontalResolution.CHUNK};
+
 
 
 	public static void updateSettings(){
-		minGenDetail = LodConfig.CLIENT.worldGenerator.maxGenerationDetail.get().detailLevel;
-		minDrawDetail = Math.max(LodConfig.CLIENT.graphics.maxDrawDetail.get().detailLevel,LodConfig.CLIENT.worldGenerator.maxGenerationDetail.get().detailLevel);
+		minGenDetail = LodConfig.CLIENT.worldGenerator.generationResolution.get().detailLevel;
+		minDrawDetail = Math.max(LodConfig.CLIENT.graphics.drawResolution.get().detailLevel,LodConfig.CLIENT.worldGenerator.generationResolution.get().detailLevel);
 		maxDistance = LodConfig.CLIENT.graphics.lodChunkRenderDistance.get() * 16 * 2;
 	}
 
-	public static int getDistanceRendering(int detail)
+	public static int baseDistanceFunction(int detail)
 	{
-		int initial;
-		int distance = 0;
+		int distanceUnit = LodConfig.CLIENT.graphics.horizontalQuality.get().distanceUnit;
 		if (detail <= minGenDetail)
 			return minDistance;
 		if (detail == maxDetail)
@@ -52,30 +63,17 @@ public class DetailDistanceUtil
 			return maxDistance;
 		switch (LodConfig.CLIENT.worldGenerator.lodDistanceCalculatorType.get())
 		{
-			case LINEAR:
-				initial = LodConfig.CLIENT.graphics.lodQuality.get() * 128;
-				return (detail * initial);
+			case LINEAR:;
+				return (detail * distanceUnit);
+			default:
 			case QUADRATIC:
-				initial = LodConfig.CLIENT.graphics.lodQuality.get() * 128;
-				return (int) (Math.pow(base, detail) * initial);
-			case RENDER_DEPENDANT:
-				int realRenderDistance = Minecraft.getInstance().options.renderDistance * 16;
-				int border = 64;
-				byte detailAtBorder = (byte) 4;
-				if (detail > detailAtBorder)
-				{
-					return (detail * (border - realRenderDistance) / detailAtBorder + realRenderDistance);
-				} else
-				{
-					return ((maxDetail - detail) * (maxDistance - border) / (maxDetail - detailAtBorder) + border);
-				}
+				return (int) (Math.pow(base, detail) * distanceUnit);
 		}
-		return distance;
 	}
 
-	public static byte baseInverse(int distance, int minDetail)
+	public static byte baseInverseFunction(int distance, int minDetail)
 	{
-		int initial;
+		int distanceUnit = LodConfig.CLIENT.graphics.horizontalQuality.get().distanceUnit;
 		byte detail = 0;
 		if (distance == 0)
 			detail = (byte) minDetail;
@@ -84,60 +82,34 @@ public class DetailDistanceUtil
 		switch (LodConfig.CLIENT.worldGenerator.lodDistanceCalculatorType.get())
 		{
 			case LINEAR:
-				initial = LodConfig.CLIENT.graphics.lodQuality.get() * 128;
-				detail = (byte) Math.floorDiv(distance, initial);
+				detail = (byte) Math.floorDiv(distance, distanceUnit);
 				break;
 			case QUADRATIC:
-				initial = LodConfig.CLIENT.graphics.lodQuality.get() * 128;
-				detail = (byte) (Math.log(Math.floorDiv(distance, initial))/logBase);
-				break;
-			case RENDER_DEPENDANT:
-				detail = (byte) 9;
+				detail = (byte) (Math.log(Math.floorDiv(distance, distanceUnit))/logBase);
 				break;
 		}
 		return (byte) Math.min(detail, LodUtil.REGION_DETAIL_LEVEL);
 	}
 
-	public static byte getDistanceRenderingInverse(int distance)
+	public static byte getDrawDetailFromDistance(int distance)
 	{
-		return baseInverse(distance, minDrawDetail);
+		return baseInverseFunction(distance, minDrawDetail);
 	}
 
-	public static byte getDistanceGenerationInverse(int distance)
+	public static byte getGenerationDetailFromDistance(int distance)
 	{
-		return baseInverse((int) (distance * genMultiplier), minGenDetail);
+		return baseInverseFunction((int) (distance * genMultiplier), minGenDetail);
 	}
 
-	public static byte getDistanceTreeCutInverse(int distance)
+	public static byte getTreeCutDetailFromDistance(int distance)
 	{
-		return baseInverse((int) (distance * treeCutMultiplier), minGenDetail);
+		return baseInverseFunction((int) (distance * treeCutMultiplier), minGenDetail);
 	}
 
 
-	public static byte getDistanceTreeGenInverse(int distance)
+	public static byte getTreeGenDetailFromDistance(int distance)
 	{
-		return baseInverse((int) (distance * treeGenMultiplier), minGenDetail);
-	}
-
-	public static int getDistanceGeneration(int detail)
-	{
-		if (detail == maxDetail)
-			return maxDistance;
-		return (int) (getDistanceRendering(detail) * genMultiplier);
-	}
-
-	public static int getDistanceTreeCut(int detail)
-	{
-		if (detail == maxDetail)
-			return maxDistance;
-		return (int) (getDistanceRendering(detail) * treeCutMultiplier);
-	}
-
-	public static int getDistanceTreeGen(int detail)
-	{
-		if (detail == maxDetail)
-			return maxDistance;
-		return (int) (getDistanceRendering(detail) * treeGenMultiplier);
+		return baseInverseFunction((int) (distance * treeGenMultiplier), minGenDetail);
 	}
 
 	public static DistanceGenerationMode getDistanceGenerationMode(int detail)
@@ -147,17 +119,29 @@ public class DetailDistanceUtil
 
 	public static byte getLodDrawDetail(int detail)
 	{
-		return (byte) Math.max(detail, minDrawDetail);
+		if (detail < minDrawDetail)
+		{
+			if(LodConfig.CLIENT.graphics.alwaysDrawAtMaxQuality.get())
+				return getLodGenDetail(minDrawDetail).detailLevel;
+			else
+				return (byte) minDrawDetail;
+		} else
+		{
+			if(LodConfig.CLIENT.graphics.alwaysDrawAtMaxQuality.get())
+				return getLodGenDetail(detail).detailLevel;
+			else
+				return (byte) detail;
+		}
 	}
 
-	public static LodDetail getLodGenDetail(int detail)
+	public static HorizontalResolution getLodGenDetail(int detail)
 	{
 		if (detail < minGenDetail)
 		{
-			return lodDetails[minGenDetail];
+			return lodGenDetails[minGenDetail];
 		} else
 		{
-			return lodDetails[detail];
+			return lodGenDetails[detail];
 		}
 	}
 
@@ -166,24 +150,19 @@ public class DetailDistanceUtil
 	{
 		if (detail < minGenDetail)
 		{
-			return lodDetails[minGenDetail].detailLevel;
+			return lodGenDetails[minGenDetail].detailLevel;
 		} else if (detail == maxDetail)
 		{
 			return LodUtil.REGION_DETAIL_LEVEL;
 		} else
 		{
-			return lodDetails[detail].detailLevel;
+			return lodGenDetails[detail].detailLevel;
 		}
 	}
 
-
-	public static boolean regionInView(int playerPosX, int playerPosY, int playerPosZ, int xRot, int yRot, int fov, RegionPos regionPos)
+	public static int getMaxVerticalData(int detail)
 	{
-
-		//System.out.println(Math.floorMod((int) mc.player.xRot,360) + " " + Math.floorMod((int) mc.player.yRot,360) + " " + mc.options.fov);
-		//System.out.println(mc.player.xRotO + " " + mc.player.yRotO);
-		//mc.options.fov;
-		return false;
+		return maxVerticalData[LodUtil.clamp(minGenDetail, detail, LodUtil.REGION_DETAIL_LEVEL)];
 	}
 
 }

src/main/java/com/seibel/lod/util/LevelPosUtil.java

@@ -1,9 +1,4 @@
-package com.seibel.lod.objects;
-
-import com.seibel.lod.util.LodUtil;
-import net.minecraft.util.math.ChunkPos;
-
-import java.util.Comparator;
+package com.seibel.lod.util;
 
 public class LevelPosUtil
 {
@@ -37,11 +32,29 @@ public class LevelPosUtil
 		return new int[]{detailLevel, posX, posZ};
 	}
 
-	public static int[] createLevelPos(byte detailLevel, int posX, int posZ, int distance)
+	public static int convert(byte detailLevel, int pos, byte newDetailLevel)
 	{
-		return new int[]{detailLevel, posX, posZ, distance};
+		int width;
+		if (newDetailLevel >= detailLevel)
+		{
+			width = 1 << (newDetailLevel - detailLevel);
+			return Math.floorDiv(pos, width);
+		} else
+		{
+			width = 1 << (detailLevel - newDetailLevel);
+			return pos * width;
+		}
 	}
 
+	public static int getRegion(byte detailLevel, int pos)
+	{
+		return Math.floorDiv(pos, 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel));
+	}
+
+	public static int getRegionModule(byte detailLevel, int pos)
+	{
+		return Math.floorMod(pos, 1 << (LodUtil.REGION_DETAIL_LEVEL - detailLevel));
+	}
 
 	public static byte getDetailLevel(int[] levelPos)
 	{
@@ -105,22 +118,11 @@ public class LevelPosUtil
 		return Math.floorDiv(getPosZ(levelPos), width);
 	}
 
-	public static int getChunkPosX(int[] levelPos)
+	public static int getChunkPos(byte detailLevel, int pos)
 	{
-		levelPos = convert(levelPos, LodUtil.CHUNK_DETAIL_LEVEL);
-		return getPosX(levelPos);
+		return convert(detailLevel,pos, LodUtil.CHUNK_DETAIL_LEVEL);
 	}
 
-	public static int getChunkPosZ(int[] levelPos)
-	{
-		levelPos = convert(levelPos, LodUtil.CHUNK_DETAIL_LEVEL);
-		return getPosZ(levelPos);
-	}
-
-	public static int maxDistance(int[] levelPos, int playerPosX, int playerPosZ)
-	{
-		return maxDistance(getDetailLevel(levelPos), getPosX(levelPos), getPosZ(levelPos), playerPosX, playerPosZ);
-	}
 
 	public static int maxDistance(byte detailLevel, int posX, int posZ, int playerPosX, int playerPosZ)
 	{
@@ -139,12 +141,24 @@ public class LevelPosUtil
 		return maxDistance;
 	}
 
-
-	public static int minDistance(int[] levelPos, int playerPosX, int playerPosZ)
+	public static int maxDistance(byte detailLevel, int posX, int posZ, int playerPosX, int playerPosZ, int xRegion, int zRegion)
 	{
-		return minDistance(getDetailLevel(levelPos), getPosX(levelPos), getPosZ(levelPos), playerPosX, playerPosZ);
+		int width = 1 << detailLevel;
+
+		int startPosX = xRegion * 512 + posX * width;
+		int startPosZ = zRegion * 512 + posZ * width;
+		int endPosX = startPosX + width;
+		int endPosZ = startPosZ + width;
+
+		int maxDistance = (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - startPosZ, 2));
+		maxDistance = Math.max(maxDistance, (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
+		maxDistance = Math.max(maxDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - startPosZ, 2)));
+		maxDistance = Math.max(maxDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
+
+		return maxDistance;
 	}
 
+
 	public static int minDistance(byte detailLevel, int posX, int posZ, int playerPosX, int playerPosZ)
 	{
 		int width = 1 << detailLevel;
@@ -181,40 +195,60 @@ public class LevelPosUtil
 		}
 	}
 
-	public static int compareDistance(int posX, int posZ, int[] first, int[] second)
+	public static int minDistance(byte detailLevel, int posX, int posZ, int playerPosX, int playerPosZ, int xRegion, int zRegion)
 	{
-		return Integer.compare(
-				minDistance(first, posX, posZ),
-				minDistance(second, posX, posZ));
-	}
+		int width = 1 << detailLevel;
 
-	public static int compareDistance(int[] first, int[] second)
-	{
-		return Integer.compare(
-				getDistance(first),
-				getDistance(second));
-	}
+		int startPosX = xRegion * 512 + posX * width;
+		int startPosZ = zRegion * 512 + posZ * width;
+		int endPosX = startPosX + width;
+		int endPosZ = startPosZ + width;
 
-	public static int compareLevelAndDistance(int[] first, int[] second)
-	{
-		int compareResult = Integer.compare(getDetailLevel(second), getDetailLevel(first));
-		if (compareResult == 0)
+		boolean inXArea = playerPosX >= startPosX && playerPosX <= endPosX;
+		boolean inZArea = playerPosZ >= startPosZ && playerPosZ <= endPosZ;
+		if (inXArea && inZArea)
 		{
-			compareResult = Integer.compare(
-					getDistance(first),
-					getDistance(second));
+			return 0;
+		} else if (inXArea)
+		{
+			return Math.min(
+					Math.abs(playerPosZ - startPosZ),
+					Math.abs(playerPosZ - endPosZ)
+			);
+		} else if (inZArea)
+		{
+			return Math.min(
+					Math.abs(playerPosX - startPosX),
+					Math.abs(playerPosX - endPosX)
+			);
+		} else
+		{
+			int minDistance = (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - startPosZ, 2));
+			minDistance = Math.min(minDistance, (int) Math.sqrt(Math.pow(playerPosX - startPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
+			minDistance = Math.min(minDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - startPosZ, 2)));
+			minDistance = Math.min(minDistance, (int) Math.sqrt(Math.pow(playerPosX - endPosX, 2) + Math.pow(playerPosZ - endPosZ, 2)));
+			return minDistance;
 		}
-		return compareResult;
 	}
 
-	public static int compareLevelAndDistance(int posX, int posZ, int[] first, int[] second)
+	public static int compareDistance(int firstDistance, int secondDistance)
 	{
-		int compareResult = Integer.compare(getDetailLevel(second), getDetailLevel(first));
+		return Integer.compare(
+				firstDistance,
+				secondDistance);
+	}
+
+
+	public static int compareLevelAndDistance(byte firstDetail, int firstDistance, byte secondDetail, int secondDistance)
+	{
+		int compareResult = Integer.compare(
+				secondDetail,
+				firstDetail);
 		if (compareResult == 0)
 		{
 			compareResult = Integer.compare(
-					minDistance(first, posX, posZ),
-					minDistance(second, posX, posZ));
+					firstDistance,
+					secondDistance);
 		}
 		return compareResult;
 	}
@@ -223,4 +257,8 @@ public class LevelPosUtil
 	{
 		return (getDetailLevel(levelPos) + " " + getPosX(levelPos) + " " + getPosZ(levelPos));
 	}
+	public static String toString(byte detailLevel, int posX, int posZ)
+	{
+		return (detailLevel + " " + posX + " " + posZ);
+	}
 }

src/main/java/com/seibel/lod/util/LodUtil.java

@@ -23,11 +23,11 @@ import java.util.HashSet;
 
 import com.seibel.lod.objects.LodDimension;
 import com.seibel.lod.objects.RegionPos;
-import com.seibel.lod.objects.LevelPos.LevelPos;
+import com.seibel.lod.wrappers.MinecraftWrapper;
 
-import net.minecraft.client.Minecraft;
 import net.minecraft.client.multiplayer.ServerData;
 import net.minecraft.client.renderer.WorldRenderer;
+import net.minecraft.client.renderer.chunk.ChunkRenderDispatcher.CompiledChunk;
 import net.minecraft.server.integrated.IntegratedServer;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.util.math.ChunkPos;
@@ -43,11 +43,11 @@ import net.minecraft.world.server.ServerWorld;
  * This class holds methods and constants that may be used in multiple places.
  * 
  * @author James Seibel
- * @version 8-29-2021
+ * @version 9-7-2021
  */
 public class LodUtil
 {
-	private static Minecraft mc = Minecraft.getInstance();
+	private static MinecraftWrapper mc = MinecraftWrapper.INSTANCE;
 	
 	
 	/** alpha used when drawing chunks in debug mode */
@@ -62,7 +62,10 @@ public class LodUtil
 	 * and/or add a method to generate colors based on texture
 	 * issue #64 */
 	public static final int STONE_COLOR_INT = LodUtil.colorToInt(new Color(150, 150, 150));
-	
+	public static final int NETHERRACK_COLOR_INT = LodUtil.colorToInt(new Color(95, 38, 38));
+	public static final int WARPED_NYLIUM_COLOR_INT = LodUtil.colorToInt(new Color(34, 94, 85));
+	public static final int CRIMSON_NYLIUM_COLOR_INT = LodUtil.colorToInt(new Color(126, 27, 27));
+
 	/**
 	 * In order of nearest to farthest: <br>
 	 * Red, Orange, Yellow, Green, Cyan, Blue, Magenta, white, gray, black
@@ -79,7 +82,9 @@ public class LodUtil
 
 
 	public static final byte DETAIL_OPTIONS = 10;
-	
+
+	public static final short MAX_VERTICAL_DATA = 4;
+
 	/** measured in Blocks <br>
 	 * detail level 9 */
 	public static final short REGION_WIDTH = 512;
@@ -98,6 +103,9 @@ public class LodUtil
 	/** If we ever need to use a heightmap for any reason, use this one. */
 	public static final Heightmap.Type DEFAULT_HEIGHTMAP = Heightmap.Type.WORLD_SURFACE_WG;
 	
+	/** This regex finds any characters that are invalid for use in a windows 
+	 * (and by extension mac and linux) file path */
+	public static final String INVALID_FILE_CHARACTERS_REGEX = "[\\\\\\/:*?\\\"<>|]";
 	
 	
 	
@@ -207,10 +215,7 @@ public class LodUtil
 		}
 		else
 		{
-			ServerData server = mc.getCurrentServer();
-			return server.name + ", IP " + 
-			server.ip + ", GameVersion " + 
-			server.version.getString();
+			return getServerId();
 		}
 	}
 	
@@ -219,15 +224,13 @@ public class LodUtil
 	/**
 	 * If on single player this will return the name of the user's
 	 * world and the dimensional save folder, if in multiplayer 
-	 * it will return the server name, game version, and dimension.<br>
+	 * it will return the server name, ip, game version, and dimension.<br>
 	 * <br>
 	 * This can be used to determine where to save files for a given
 	 * dimension.
 	 */
 	public static String getDimensionIDFromWorld(IWorld world)
 	{
-		Minecraft mc = Minecraft.getInstance();
-		
 		if(mc.hasSingleplayerServer())
 		{
 			// this will return the world save location
@@ -245,14 +248,25 @@ public class LodUtil
 		}
 		else
 		{
-			ServerData server = mc.getCurrentServer();
-			return server.name + ", IP " + 
-			server.ip + ", GameVersion " + 
-			server.version.getString() + File.separatorChar
-			+ "dim_" + world.dimensionType().effectsLocation().getPath() + File.separatorChar;
+			return getServerId() + File.separatorChar + "dim_" + world.dimensionType().effectsLocation().getPath() + File.separatorChar;
 		}
 	}
 	
+	/**
+	 * returns the server name, IP and game version.
+	 */
+	public static String getServerId()
+	{
+		ServerData server = mc.getCurrentServer();
+		
+		String serverName = server.name.replaceAll(INVALID_FILE_CHARACTERS_REGEX, "");
+		String serverIp = server.ip.replaceAll(INVALID_FILE_CHARACTERS_REGEX, "");
+		String serverMcVersion = server.version.getString().replaceAll(INVALID_FILE_CHARACTERS_REGEX, "");
+		
+		String serverId =  serverName + ", IP " + serverIp + ", GameVersion " + serverMcVersion;
+		
+		return serverId; 
+	}
 	
 	
 	/**
@@ -311,39 +325,40 @@ public class LodUtil
      * Get a HashSet of all ChunkPos within the normal render distance
      * that should not be rendered.
      */
-		public static HashSet<ChunkPos> getNearbyLodChunkPosToSkip(LodDimension lodDim, BlockPos playerPos)
-		{
-			int chunkRenderDist = mc.options.renderDistance;
-			ChunkPos centerChunk = new ChunkPos(playerPos);
-			
-			// skip chunks that are already going to be rendered by Minecraft
-			HashSet<ChunkPos> posToSkip = getRenderedChunks();
-			
-			// go through each chunk within the normal view distance
-			for (int x = centerChunk.x - chunkRenderDist; x < centerChunk.x + chunkRenderDist; x++)
-			{
-				for (int z = centerChunk.z - chunkRenderDist; z < centerChunk.z + chunkRenderDist; z++)
-				{
-					LevelPos levelPos = new LevelPos(LodUtil.CHUNK_DETAIL_LEVEL, x, z);
-					if (!lodDim.doesDataExist(levelPos.clone()))
-						continue;
-					
-					short[] data = lodDim.getData(levelPos);
-					
-					short lodAverageHeight = data[0];
-					if (playerPos.getY() <= lodAverageHeight)
-					{
-						// don't draw Lod's that are taller than the player
-						// to prevent LODs being drawn on top of the player
-						posToSkip.add(new ChunkPos(x, z));
-					}
-				}
-			}
-			
-			return posToSkip;
-		}
+	 public static HashSet<ChunkPos> getNearbyLodChunkPosToSkip(LodDimension lodDim, BlockPos playerPos)
+	 {
+		 int chunkRenderDist = mc.getRenderDistance();
+		 ChunkPos centerChunk = new ChunkPos(playerPos);
 
-    /**
+		 // skip chunks that are already going to be rendered by Minecraft
+		 HashSet<ChunkPos> posToSkip = getRenderedChunks();
+
+		 // go through each chunk within the normal view distance
+		 for (int x = centerChunk.x - chunkRenderDist; x < centerChunk.x + chunkRenderDist; x++)
+		 {
+			 for (int z = centerChunk.z - chunkRenderDist; z < centerChunk.z + chunkRenderDist; z++)
+			 {
+				 if (!lodDim.doesDataExist(LodUtil.CHUNK_DETAIL_LEVEL, x, z))
+					 continue;
+
+				 long data = lodDim.getSingleData(LodUtil.CHUNK_DETAIL_LEVEL, x, z);
+
+				 short lodAverageHeight = DataPointUtil.getHeight(data);
+
+				 if (playerPos.getY() <= lodAverageHeight)
+				 {
+					 // don't draw Lod's that are taller than the player
+					 // to prevent LODs being drawn on top of the player
+					 posToSkip.add(new ChunkPos(x, z));
+				 }
+			 }
+		 }
+
+		 return posToSkip;
+	 }
+
+
+	/**
      * This method returns the ChunkPos of all chunks that Minecraft
      * is going to render this frame. <br><br>
      * <p>
@@ -355,22 +370,23 @@ public class LodUtil
 	{
 		HashSet<ChunkPos> loadedPos = new HashSet<>();
 		
-		Minecraft mc = Minecraft.getInstance();
-		
 		// Wow those are some long names!
 		
 		// go through every RenderInfo to get the compiled chunks
-		for (WorldRenderer.LocalRenderInformationContainer worldrenderer$localrenderinformationcontainer : mc.levelRenderer.renderChunks)
+		WorldRenderer renderer = mc.getLevelRenderer();
+		for (WorldRenderer.LocalRenderInformationContainer worldrenderer$localrenderinformationcontainer : renderer.renderChunks)
 		{
-			if (!worldrenderer$localrenderinformationcontainer.chunk.getCompiledChunk().hasNoRenderableLayers())
+			CompiledChunk compiledChunk = worldrenderer$localrenderinformationcontainer.chunk.getCompiledChunk();
+			if (!compiledChunk.hasNoRenderableLayers())
 			{
-				// add the ChunkPos for every empty compiled chunk
+				// add the ChunkPos for every rendered chunk
 				BlockPos bpos = worldrenderer$localrenderinformationcontainer.chunk.getOrigin();
 				
 				loadedPos.add(new ChunkPos(bpos));
 			}
 		}
 		
+		
 		return loadedPos;
 	}
 	

src/main/java/com/seibel/lod/util/ThreadMapUtil.java

@@ -0,0 +1,108 @@
+package com.seibel.lod.util;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+
+public class ThreadMapUtil
+{
+	public static final ConcurrentMap<String, long[]> threadSingleUpdateMap = new ConcurrentHashMap<>();
+	public static final ConcurrentMap<String, long[][]> threadBuilderArrayMap = new ConcurrentHashMap<>();
+	public static final ConcurrentMap<String, long[][]> threadBuilderVerticalArrayMap = new ConcurrentHashMap<>();
+	public static final ConcurrentMap<String, long[]> threadVerticalAddDataMap = new ConcurrentHashMap<>();
+	public static final ConcurrentMap<String, byte[]> saveContainer = new ConcurrentHashMap<>();
+	public static final ConcurrentMap<String, short[]> projectionShortMap = new ConcurrentHashMap<>();
+	public static final ConcurrentMap<String, short[]> heightAndDepthMap = new ConcurrentHashMap<>();
+	public static final ConcurrentMap<String, long[]> singleDataToMergeMap = new ConcurrentHashMap<>();
+	public static final ConcurrentMap<String, long[][]> verticalUpdate = new ConcurrentHashMap<>();
+
+	public static long[] getSingleUpdateArray()
+	{
+		if (!threadSingleUpdateMap.containsKey(Thread.currentThread().getName()) || (threadSingleUpdateMap.get(Thread.currentThread().getName()) == null))
+		{
+			threadSingleUpdateMap.put(Thread.currentThread().getName(), new long[4]);
+		}
+		return threadSingleUpdateMap.get(Thread.currentThread().getName());
+	}
+
+	public static long[][] getBuilderArray()
+	{
+		if (!threadBuilderArrayMap.containsKey(Thread.currentThread().getName()) || (threadBuilderArrayMap.get(Thread.currentThread().getName()) == null))
+		{
+			long[][] array = new long[5][];
+			threadBuilderArrayMap.put(Thread.currentThread().getName(), array);
+		}
+		return threadBuilderArrayMap.get(Thread.currentThread().getName());
+	}
+
+	public static long[][] getBuilderVerticalArray()
+	{
+		if (!threadBuilderVerticalArrayMap.containsKey(Thread.currentThread().getName()) || (threadBuilderVerticalArrayMap.get(Thread.currentThread().getName()) == null))
+		{
+			long[][] array = new long[5][];
+			threadBuilderVerticalArrayMap.put(Thread.currentThread().getName(), array);
+		}
+		return threadBuilderVerticalArrayMap.get(Thread.currentThread().getName());
+	}
+
+	public static long[] verticalDataArray()
+	{
+		if (!threadVerticalAddDataMap.containsKey(Thread.currentThread().getName()) || (threadVerticalAddDataMap.get(Thread.currentThread().getName()) == null))
+		{
+			threadVerticalAddDataMap.put(Thread.currentThread().getName(), new long[0]);
+		}
+		return threadVerticalAddDataMap.get(Thread.currentThread().getName());
+	}
+
+	public static short[] getProjectionShort(){
+		if(!projectionShortMap.containsKey(Thread.currentThread().getName()) || (projectionShortMap.get(Thread.currentThread().getName()) == null))
+		{
+			projectionShortMap.put(Thread.currentThread().getName(), new short[0]);
+		}
+		return projectionShortMap.get(Thread.currentThread().getName());
+	}
+
+	public static short[] getHeightAndDepth(){
+		if(!heightAndDepthMap.containsKey(Thread.currentThread().getName()) || (heightAndDepthMap.get(Thread.currentThread().getName()) == null))
+		{
+			heightAndDepthMap.put(Thread.currentThread().getName(), new short[0]);
+		}
+		return heightAndDepthMap.get(Thread.currentThread().getName());
+	}
+
+	public static byte[] getSaveContainer(){
+		if(!saveContainer.containsKey(Thread.currentThread().getName()) || (saveContainer.get(Thread.currentThread().getName()) == null))
+		{
+			saveContainer.put(Thread.currentThread().getName(), new byte[0]);
+		}
+		return saveContainer.get(Thread.currentThread().getName());
+	}
+
+	public static long[][] getVerticalUpdateArray(){
+		if(!verticalUpdate.containsKey(Thread.currentThread().getName()) || (verticalUpdate.get(Thread.currentThread().getName()) == null))
+		{
+			long[][] array = new long[10][];
+			verticalUpdate.put(Thread.currentThread().getName(), array);
+		}
+		return verticalUpdate.get(Thread.currentThread().getName());
+	}
+
+	public static long[] getSingleAddDataToMerge(){
+		if(!singleDataToMergeMap.containsKey(Thread.currentThread().getName()) || (singleDataToMergeMap.get(Thread.currentThread().getName()) == null))
+		{
+			singleDataToMergeMap.put(Thread.currentThread().getName(), new long[0]);
+		}
+		return singleDataToMergeMap.get(Thread.currentThread().getName());
+	}
+
+	public static void clearMaps(){
+		threadSingleUpdateMap.clear();
+		threadBuilderArrayMap.clear();
+		threadBuilderVerticalArrayMap.clear();
+		threadVerticalAddDataMap.clear();
+		saveContainer.clear();
+		projectionShortMap.clear();
+		heightAndDepthMap.clear();
+		singleDataToMergeMap.clear();
+		verticalUpdate.clear();
+	}
+}

src/main/java/com/seibel/lod/wrappers/MinecraftWrapper.java

@@ -0,0 +1,236 @@
+package com.seibel.lod.wrappers;
+
+import java.awt.Color;
+import java.io.File;
+
+import com.seibel.lod.util.LodUtil;
+
+import net.minecraft.client.GameSettings;
+import net.minecraft.client.MainWindow;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.entity.player.ClientPlayerEntity;
+import net.minecraft.client.multiplayer.ServerData;
+import net.minecraft.client.network.play.ClientPlayNetHandler;
+import net.minecraft.client.renderer.GameRenderer;
+import net.minecraft.client.renderer.LightTexture;
+import net.minecraft.client.renderer.WorldRenderer;
+import net.minecraft.client.renderer.model.ModelManager;
+import net.minecraft.client.renderer.texture.NativeImage;
+import net.minecraft.client.world.ClientWorld;
+import net.minecraft.entity.Entity;
+import net.minecraft.profiler.IProfiler;
+import net.minecraft.server.integrated.IntegratedServer;
+import net.minecraft.util.Direction;
+import net.minecraft.world.DimensionType;
+
+/**
+ * A singleton that wraps the Minecraft class
+ * to allow for easier movement between Minecraft versions.
+ * 
+ * @author James Seibel
+ * @version 9-16-2021
+ */
+public class MinecraftWrapper
+{
+	public static MinecraftWrapper INSTANCE = new MinecraftWrapper();
+	
+	private Minecraft mc = Minecraft.getInstance();
+	
+	/** The lightmap for the current:
+	 * Time, dimension, brightness setting, etc. */
+	private NativeImage lightMap = null;
+	
+	private MinecraftWrapper()
+	{
+		
+	}
+	
+	
+	
+	//================//
+	// helper methods //
+	//================//
+	
+	/**
+	 * This should be called at the beginning of every frame to
+	 * clear any Minecraft data that becomes out of date after a frame. <br> <br>
+	 * 
+	 * Lightmaps and other time sensitive objects fall in this category. <br> <br>
+	 * 
+	 * This doesn't effect OpenGL objects in any way.
+	 */
+	public void clearFrameObjectCache()
+	{
+		lightMap = null;
+	}
+	
+	
+	
+	//=================//
+	// method wrappers //
+	//=================//
+	
+	public float getShading(Direction direction)
+	{
+		return mc.level.getShade(Direction.UP, true);
+	}
+	
+	public boolean hasSingleplayerServer()
+	{
+		return mc.hasSingleplayerServer();
+	}
+	
+	public DimensionType getCurrentDimension()
+	{
+		return mc.player.level.dimensionType();
+	}
+	
+	public String getCurrentDimensionId()
+	{
+		return LodUtil.getDimensionIDFromWorld(mc.level);
+	}
+	
+	/** 
+	 * This texture changes every frame
+	 */
+	public NativeImage getCurrentLightMap()
+	{
+		// get the current lightMap if the cache is empty
+		if (lightMap == null)
+		{
+			LightTexture tex = mc.gameRenderer.lightTexture();
+			NativeImage lightPixels = tex.lightPixels;
+			lightMap = lightPixels;
+		}
+		
+//		// hotswap this to true, then back to false to write a file
+//		// (and not write a file every frame)
+//		if (false)
+//		{
+//			try
+//			{
+//				// obviously change the filepath to somewhere on your PC
+//				lightPixels.writeToFile(new File("C:\\Users\\James Seibel\\Desktop\\image.png"));
+//			}
+//			catch(Exception e)
+//			{
+//				e.printStackTrace();
+//			}
+//		}
+		
+		return lightMap;
+	}
+	
+	/**
+	 * Returns the color int at the given pixel coordinates
+	 * from the current lightmap.
+	 * 
+	 * @param u x location in texture space
+	 * @param v z location in texture space
+	 */
+	public int getColorIntFromLightMap(int u, int v)
+	{
+		if (lightMap == null)
+		{
+			// make sure the lightMap is up to date
+			getCurrentLightMap();
+		}
+		
+		return lightMap.getPixelRGBA(u, v);
+	}
+	
+	/**
+	 * Returns the Color at the given pixel coordinates
+	 * from the current lightmap.
+	 * 
+	 * @param u x location in texture space
+	 * @param v z location in texture space
+	 */
+	public Color getColorFromLightMap(int u, int v)
+	{
+		return LodUtil.intToColor(lightMap.getPixelRGBA(u, v));
+	}
+	
+	
+	
+	
+	//=============//
+	// Simple gets //
+	//=============//
+	
+	public ClientPlayerEntity getPlayer()
+	{
+		return mc.player;
+	}
+	
+	public GameSettings getOptions()
+	{
+		return mc.options;
+	}
+
+	public ModelManager getModelManager()
+	{
+		return mc.getModelManager();
+	}
+	
+	public ClientWorld getClientWorld()
+	{
+		return  mc.level;
+	}
+
+	/** Measured in chunks */
+	public int getRenderDistance()
+	{
+		return mc.options.renderDistance;
+	}
+	
+	public File getGameDirectory()
+	{
+		return mc.gameDirectory;
+	}
+	
+	public IProfiler getProfiler()
+	{
+		return mc.getProfiler();
+	}
+	
+	public ClientPlayNetHandler getConnection()
+	{
+		return mc.getConnection();
+	}
+	
+	public GameRenderer getGameRenderer()
+	{
+		return mc.gameRenderer;
+	}
+	
+	public Entity getCameraEntity()
+	{
+		return mc.cameraEntity;
+	}
+	
+	public MainWindow getWindow()
+	{
+		return mc.getWindow();
+	}
+	
+	public float getSkyDarken(float partialTicks)
+	{
+		return mc.level.getSkyDarken(partialTicks);
+	}
+	
+	public IntegratedServer getSingleplayerServer()
+	{
+		return mc.getSingleplayerServer();
+	}
+	
+	public ServerData getCurrentServer()
+	{
+		return mc.getCurrentServer();
+	}
+	
+	public WorldRenderer getLevelRenderer()
+	{
+		return mc.levelRenderer;
+	}
+}

src/main/resources/META-INF/accesstransformer.cfg

@@ -44,6 +44,13 @@ public net.minecraft.world.lighting.WorldLightManager field_215576_a # blockEngi
 public net.minecraft.world.lighting.WorldLightManager field_215577_b # skyEngine
 public net.minecraft.world.gen.feature.Feature field_236290_a_ # configuredCodec
 
+# used for uploading vertex buffers off the render thread
+public net.minecraft.client.renderer.vertex.VertexBuffer field_177365_a # id
+public net.minecraft.client.renderer.vertex.VertexBuffer field_177363_b # format
+public net.minecraft.client.renderer.vertex.VertexBuffer field_177364_c # vertexCount
+
+# used for accessing the lightmap
+public net.minecraft.client.renderer.LightTexture field_205111_b # lightPixels
 
 
 #=====================#

src/main/resources/META-INF/mods.toml

@@ -24,7 +24,7 @@ modId="lod" #mandatory
 #// The version number of the mod - there's a few well known ${} variables useable here or just hardcode it
 #//${file.jarVersion} will substitute the value of the Implementation-Version as read from the mod's JAR file metadata
 #// see the associated build.gradle script for how to populate this completely automatically during a build
-version="a1.4" #mandatory
+version="a1.5.0-pre" #mandatory
 
 #// A display name for the mod
 displayName="LOD" #mandatory
@@ -42,7 +42,7 @@ logoFile="logo.png" #optional
 credits="TechnoVision, Vike, and Darkhax for their modding tutorials." #optional
 
 #// A text field displayed in the mod UI
-authors="James Seibel and Leonardo Amato" #optional
+authors="James Seibel, Leonardo Amato, and Cola" #optional
 
 #// The description text for the mod (multi line!) (#mandatory)
 description='''This mod generates and renders simplified terrain beyond the normal view distance, at a low performance cost.'''