Up version 2.2.1-dev -> 2.2.1 and API 3.0.0 -> 3.0.1

Closes !793 (Generic Rendering crashes with Sodium on M1 Mac)

.gitlab-ci.yml

@@ -30,7 +30,7 @@ build:
   stage: build
   parallel:
     matrix:
-      - MC_VER: ["1.16.5", "1.17.1", "1.18.2", "1.19.2", "1.19.4", "1.20.1", "1.20.2", "1.20.4", "1.20.6"]
+      - MC_VER: ["1.16.5", "1.17.1", "1.18.2", "1.19.2", "1.19.4", "1.20.1", "1.20.2", "1.20.4", "1.20.6", "1.21.1"]
   script:
     # this both runs the unit tests and assembles the code
     - ./gradlew clean -PmcVer="${MC_VER}" -PinfoGitCommit="${CI_COMMIT_SHA}" -PinfoGitBranch="${CI_COMMIT_BRANCH}" -PinfoBuildSource="GitLab CI (${CI_PIPELINE_ID})" --gradle-user-home cache/;

build.gradle

@@ -54,7 +54,7 @@ def writeBuildGradlePredefine(List<String> mcVers, int mcIndex)
 // Transfers the values set in settings.gradle to the rest of the project
 project.gradle.ext.getProperties().each { prop ->
     rootProject.ext.set(prop.key, prop.value)
-//    println "Added prop [key:" + prop.key + ", value:" + prop.value + "]"
+    //println "Added prop [key:" + prop.key + ", value:" + prop.value + "]"
 }
 // Sets up manifold stuff
 writeBuildGradlePredefine(rootProject.mcVers, rootProject.mcIndex)
@@ -106,11 +106,12 @@ subprojects { p ->
         apply plugin: "systems.manifold.manifold-gradle-plugin"
     
     // Apply forge's loom
-    if (
-            (findProject(":forge") && p == project(":forge")) ||
-                    (findProject(":neoforge") && p == project(":neoforge"))
-    )
-    apply plugin: "dev.architectury.loom"
+    if ((findProject(":forge") && p == project(":forge")) ||
+        (findProject(":neoforge") && p == project(":neoforge"))
+        )
+    {
+        apply plugin: "dev.architectury.loom"
+    }
 
 
     // Set the manifold version (may not be required tough)
@@ -430,9 +431,11 @@ subprojects { p ->
     jar {
         from "LICENSE.txt"
         manifest {
-            attributes 'Implementation-Title': rootProject.mod_name,
-                    'Implementation-Version': rootProject.mod_version,
-                    'Main-Class': 'com.seibel.distanthorizons.core.jar.JarMain' // When changing the main of the jar change this line
+            attributes( 
+                'Implementation-Title': rootProject.mod_name,
+                'Implementation-Version': rootProject.mod_version,
+                'Main-Class': 'com.seibel.distanthorizons.core.jar.JarMain' // When changing the main of the jar change this line
+            )
         }
     }
 
@@ -521,15 +524,17 @@ allprojects { p ->
             }
         }
 
-        // Required for ModMenu
-        maven { url "https://maven.terraformersmc.com/" }
-
-        // Required for Mixins & VanillaGradle
+        // VanillaGradle and Mixins in common
         maven { url "https://repo.spongepowered.org/maven/" }
 
-        // Required for Canvas (mod)
+        // Canvas mod
         maven { url "https://maven.vram.io/" }
+        // ModMenu mod
+        maven { url "https://maven.terraformersmc.com/" }
 
+        // neoforge
+        maven { url "https://maven.neoforged.net/releases/" }
+        
         // These 3 are for importing mods that arnt on CursedForge, Modrinth, GitHub, GitLab or anywhere opensource
         flatDir {
             dirs "${rootDir}/mods/fabric"

common/build.gradle

@@ -1,4 +1,13 @@
 
+// temporary fix for broken spongepowered version
+buildscript {
+    configurations.configureEach {
+        resolutionStrategy {
+            force 'org.spongepowered:vanillagradle:0.2.1-20240507.024226-82'
+        }
+    }
+}
+
 plugins {
     id "org.spongepowered.gradle.vanilla" version "0.2.1-SNAPSHOT"
 }

common/src/main/java/com/seibel/distanthorizons/common/commonMixins/MixinChunkMapCommon.java

@@ -0,0 +1,85 @@
+package com.seibel.distanthorizons.common.commonMixins;
+
+import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
+import com.seibel.distanthorizons.common.wrappers.world.ServerLevelWrapper;
+import com.seibel.distanthorizons.core.api.internal.ServerApi;
+import com.seibel.distanthorizons.core.api.internal.SharedApi;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.chunk.ChunkAccess;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+public class MixinChunkMapCommon
+{
+	
+	public static void onChunkSave(ServerLevel level, ChunkAccess chunk, CallbackInfoReturnable<Boolean> ci)
+	{
+		// is this position already being updated?
+		if (SharedApi.isChunkAtChunkPosAlreadyUpdating(chunk.getPos().x, chunk.getPos().z))
+		{
+			return;
+		}
+		
+		
+		
+		// is this chunk being saved to disk?
+		boolean savingChunkToDisk = ci.getReturnValue();
+		// true means a chunk was saved to disk
+		if (!savingChunkToDisk)
+		{
+			return;
+		}
+		
+		// TODO are the following validations necessary since we are checking above if 
+		//  the callback return value should state if the chunk was actually saved or not?
+		//  Do we trust it to always be correct?
+		
+		
+		
+		// corrupt/incomplete chunk validation //
+		
+		// MC has a tendency to try saving incomplete or corrupted chunks (which show up as empty or black chunks)
+		// this logic should prevent that from happening
+		#if MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1
+		if (chunk.isUnsaved() || chunk.getUpgradeData() != null || !chunk.isLightCorrect())
+		{
+			return;
+		}
+		#else
+		if (chunk.isUnsaved() || chunk.isUpgrading() || !chunk.isLightCorrect())
+		{
+			return;
+		}
+		#endif
+		
+		
+		
+		// biome validation //
+		
+		// some chunks may be missing their biomes, which cause issues when attempting to save them
+		#if MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1
+		if (chunk.getBiomes() == null)
+		{
+			return;
+		}
+		#else
+		try
+		{
+			// this will throw an exception if the biomes aren't set up
+			chunk.getNoiseBiome(0,0,0);
+		}
+		catch (Exception e)
+		{
+			return;
+		}
+		#endif
+		
+		
+		
+		// submit the update event
+		ServerApi.INSTANCE.serverChunkSaveEvent(
+				new ChunkWrapper(chunk, level, ServerLevelWrapper.getWrapper(level)),
+				ServerLevelWrapper.getWrapper(level)
+		);
+	}
+	
+}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/McObjectConverter.java

@@ -20,13 +20,11 @@
 package com.seibel.distanthorizons.common.wrappers;
 
 import java.nio.FloatBuffer;
-import java.util.function.BiConsumer;
-import java.util.function.Consumer;
 
 import com.seibel.distanthorizons.core.enums.EDhDirection;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
+import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPos;
 import com.seibel.distanthorizons.core.pos.DhChunkPos;
-import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
+import com.seibel.distanthorizons.core.util.math.Mat4f;
 
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
@@ -137,41 +135,10 @@ public class McObjectConverter
 		}
 	}
 	
-	public static BlockPos Convert(DhBlockPos wrappedPos)
-	{
-		return new BlockPos(wrappedPos.x, wrappedPos.y, wrappedPos.z);
-	}
-	public static ChunkPos Convert(DhChunkPos wrappedPos)
-	{
-		return new ChunkPos(wrappedPos.x, wrappedPos.z);
-	}
+	public static BlockPos Convert(DhBlockPos wrappedPos) { return new BlockPos(wrappedPos.getX(), wrappedPos.getY(), wrappedPos.getZ()); }
+	public static ChunkPos Convert(DhChunkPos wrappedPos) { return new ChunkPos(wrappedPos.getX(), wrappedPos.getZ()); }
 	
-	public static Direction Convert(EDhDirection lodDirection)
-	{
-		return directions[lodDirection.ordinal()];
-	}
-	public static EDhDirection Convert(Direction direction)
-	{
-		return lodDirections[direction.ordinal()];
-	}
-	public static void DebugCheckAllPackers()
-	{
-		BiConsumer<Integer, Integer> func = (x, z) -> DhChunkPos._DebugCheckPacker(x, z, ChunkPos.asLong(x, z));
-		func.accept(0, 0);
-		func.accept(12345, 134);
-		func.accept(-12345, -134);
-		func.accept(-30000000 / 16, 30000000 / 16);
-		func.accept(30000000 / 16, -30000000 / 16);
-		func.accept(30000000 / 16, 30000000 / 16);
-		func.accept(-30000000 / 16, -30000000 / 16);
-		Consumer<BlockPos> func2 = (p) -> DhBlockPos._DebugCheckPacker(p.getX(), p.getY(), p.getZ(), p.asLong());
-		func2.accept(new BlockPos(0, 0, 0));
-		func2.accept(new BlockPos(12345, 134, 123));
-		func2.accept(new BlockPos(-12345, -134, -80));
-		func2.accept(new BlockPos(-30000000, 2047, 30000000));
-		func2.accept(new BlockPos(30000000, -2048, -30000000));
-		func2.accept(new BlockPos(30000000, 2047, 30000000));
-		func2.accept(new BlockPos(-30000000, -2048, -30000000));
-	}
+	public static Direction Convert(EDhDirection lodDirection) { return directions[lodDirection.ordinal()]; }
+	public static EDhDirection Convert(Direction direction) { return lodDirections[direction.ordinal()]; }
 	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/WrapperFactory.java

@@ -55,9 +55,6 @@ import java.util.HashSet;
 
 /**
  * This handles creating abstract wrapper objects.
- *
- * @author James Seibel
- * @version 2022-12-5
  */
 public class WrapperFactory implements IWrapperFactory
 {
@@ -82,6 +79,27 @@ public class WrapperFactory implements IWrapperFactory
 		}
 	}
 	
+	@Override
+	public IDhApiBiomeWrapper getBiomeWrapper(String resourceLocationString, IDhApiLevelWrapper levelWrapper) throws IOException, ClassCastException
+	{
+		if (!(levelWrapper instanceof ILevelWrapper))
+		{
+			throw new ClassCastException("levelWrapper must be returned by DH and of type ["+ILevelWrapper.class.getName()+"].");
+		}
+		
+		return BiomeWrapper.deserialize(resourceLocationString, (ILevelWrapper)levelWrapper); 
+	}
+	@Override
+	public IDhApiBlockStateWrapper getDefaultBlockStateWrapper(String resourceLocationString, IDhApiLevelWrapper levelWrapper) throws IOException, ClassCastException
+	{
+		if (!(levelWrapper instanceof ILevelWrapper))
+		{
+			throw new ClassCastException("Invalid ["+IDhApiLevelWrapper.class.getSimpleName()+"] value given. Level wrapper object must be one given by the DH API (it can't be a custom implementation), specifically of type ["+ILevelWrapper.class.getName()+"].");
+		}
+		
+		return BlockStateWrapper.deserialize(resourceLocationString, (ILevelWrapper)levelWrapper); 
+	}
+	
 	@Override
 	public IBiomeWrapper deserializeBiomeWrapper(String str, ILevelWrapper levelWrapper) throws IOException { return BiomeWrapper.deserialize(str, levelWrapper); }
 	@Override 
@@ -104,6 +122,13 @@ public class WrapperFactory implements IWrapperFactory
 	
 	@Override
 	public HashSet<IBlockStateWrapper> getRendererIgnoredBlocks(ILevelWrapper levelWrapper) { return BlockStateWrapper.getRendererIgnoredBlocks(levelWrapper); }
+	@Override
+	public HashSet<IBlockStateWrapper> getRendererIgnoredCaveBlocks(ILevelWrapper levelWrapper) { return BlockStateWrapper.getRendererIgnoredCaveBlocks(levelWrapper); }
+	
+	@Override
+	public void resetRendererIgnoredCaveBlocks() { BlockStateWrapper.clearRendererIgnoredCaveBlocks(); }
+	@Override
+	public void resetRendererIgnoredBlocksSet() { BlockStateWrapper.clearRendererIgnoredBlocks(); }
 	
 	
 	/**
@@ -130,7 +155,7 @@ public class WrapperFactory implements IWrapperFactory
 			}
 		}
 		
-		#if MC_VER <= MC_1_20_6
+		//#if MC_VER <= MC_1_XX_X
 		else if (objectArray.length == 2)
 		{
 			// correct number of parameters from the API
@@ -176,16 +201,7 @@ public class WrapperFactory implements IWrapperFactory
 		{
 			throw new ClassCastException(createChunkWrapperErrorMessage(objectArray));
 		}
-		#else
-			// Intentional compiler error to bring attention to the missing wrapper function.
-			// If you need to work on an unimplemented version but don't have the ability to implement this yet
-			// you can comment it out, but please don't commit it. Someone will have to implement it.
-
-			// After implementing the new version please read this method's javadocs for instructions
-			// on what other locations also need to be updated, the DhAPI specifically needs to
-			// be updated to state which objects this method accepts.
-			not implemented for this version of Minecraft!
-		#endif
+		//#endif
 	}
 	/**
 	 * Note: when this is updated for different MC versions,
@@ -195,16 +211,13 @@ public class WrapperFactory implements IWrapperFactory
 	{
 		String[] expectedClassNames;
 		
-		#if MC_VER <= MC_1_20_6
+		//#if MC_VER <= MC_1_XX_X
 		expectedClassNames = new String[] 
 		{
 			ChunkAccess.class.getName(),
 			ServerLevel.class.getName() + "] or [" + ClientLevel.class.getName()
 		};
-		#else
-			// See preprocessor comment in createChunkWrapper() for full documentation
-			not implemented for this version of Minecraft!
-		#endif
+		//#endif
 		
 		return createWrapperErrorMessage("Chunk wrapper", expectedClassNames, objectArray);
 	}
@@ -222,7 +235,7 @@ public class WrapperFactory implements IWrapperFactory
 		// confirm the API level wrapper is also a Core wrapper 
 		if (!(levelWrapper instanceof ILevelWrapper))
 		{
-			throw new ClassCastException("Unable to cast... only DH provided IDhApiLevelWrapper's can be used."); // TODO
+			throw new ClassCastException("Invalid ["+IDhApiLevelWrapper.class.getSimpleName()+"] value given. Level wrapper object must be one given by the DH API (it can't be a custom implementation), specifically of type ["+ILevelWrapper.class.getName()+"].");
 		}
 		ILevelWrapper coreLevelWrapper = (ILevelWrapper) levelWrapper;
 		
@@ -243,7 +256,7 @@ public class WrapperFactory implements IWrapperFactory
 		
 		Biome biome = (Biome) objectArray[0];
 		return BiomeWrapper.getBiomeWrapper(biome, coreLevelWrapper);
-		#elif MC_VER <= MC_1_20_6
+		#else
 		if (!(objectArray[0] instanceof Holder) || !(((Holder<?>) objectArray[0]).value() instanceof Biome))
 		{
 			throw new ClassCastException(createBiomeWrapperErrorMessage(objectArray));
@@ -251,9 +264,6 @@ public class WrapperFactory implements IWrapperFactory
 		
 		Holder<Biome> biomeHolder = (Holder<Biome>) objectArray[0];
 		return BiomeWrapper.getBiomeWrapper(biomeHolder, coreLevelWrapper);
-		#else
-		// See preprocessor comment in createChunkWrapper() for full documentation (not a typo, check createChunkWrapper()'s else statement for full documentation)
-		not implemented for this version of Minecraft!
 		#endif
 	}
 	/**
@@ -266,11 +276,8 @@ public class WrapperFactory implements IWrapperFactory
 		
 		#if MC_VER < MC_1_18_2
 		expectedClassNames = new String[] { Biome.class.getName() };
-		#elif MC_VER <= MC_1_20_6
-		expectedClassNames = new String[] { Holder.class.getName()+"<"+Biome.class.getName()+">" };
 		#else
-			// See preprocessor comment in createChunkWrapper() for full documentation
-			not implemented for this version of Minecraft!
+		expectedClassNames = new String[] { Holder.class.getName()+"<"+Biome.class.getName()+">" };
 		#endif
 		
 		return createWrapperErrorMessage("Biome wrapper", expectedClassNames, objectArray);
@@ -281,13 +288,13 @@ public class WrapperFactory implements IWrapperFactory
 		// confirm the API level wrapper is also a Core wrapper 
 		if (!(levelWrapper instanceof ILevelWrapper))
 		{
-			throw new ClassCastException("Unable to cast... only DH provided IDhApiLevelWrapper's can be used."); // TODO
+			throw new ClassCastException("Invalid ["+IDhApiLevelWrapper.class.getSimpleName()+"] value given. Level wrapper object must be one given by the DH API (it can't be a custom implementation), specifically of type ["+ILevelWrapper.class.getName()+"].");
 		}
 		ILevelWrapper coreLevelWrapper = (ILevelWrapper) levelWrapper;
 		
 		
 		
-		#if MC_VER <= MC_1_20_6
+		//#if MC_VER <= MC_1_XX_X
 		if (objectArray.length != 1)
 		{
 			throw new ClassCastException(createBlockStateWrapperErrorMessage(objectArray));
@@ -299,10 +306,7 @@ public class WrapperFactory implements IWrapperFactory
 		
 		BlockState blockState = (BlockState) objectArray[0];
 		return BlockStateWrapper.fromBlockState(blockState, coreLevelWrapper);
-		#else
-		// See preprocessor comment in createChunkWrapper() for full documentation (not a typo, check createChunkWrapper()'s else statement for full documentation)
-		not implemented for this version of Minecraft!
-		#endif
+		//#endif
 	}
 	/**
 	 * Note: when this is updated for different MC versions,
@@ -314,11 +318,8 @@ public class WrapperFactory implements IWrapperFactory
 		
 		#if MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1
 		expectedClassNames = new String[] { Biome.class.getName() };
-		#elif MC_VER <= MC_1_20_6
-		expectedClassNames = new String[] { Holder.class.getName()+"<"+Biome.class.getName()+">" };
 		#else
-		// See preprocessor comment in createChunkWrapper() for full documentation
-		not implemented for this version of Minecraft!
+		expectedClassNames = new String[] { Holder.class.getName()+"<"+Biome.class.getName()+">" };
 		#endif
 		
 		return createWrapperErrorMessage("BlockState wrapper", expectedClassNames, objectArray);

common/src/main/java/com/seibel/distanthorizons/common/wrappers/block/BiomeWrapper.java

@@ -293,7 +293,11 @@ public class BiomeWrapper implements IBiomeWrapper
 			ResourceLocation resourceLocation;
 			try
 			{
+				#if MC_VER < MC_1_21_1
 				resourceLocation = new ResourceLocation(resourceLocationString.substring(0, separatorIndex), resourceLocationString.substring(separatorIndex + 1));
+				#else
+				resourceLocation = ResourceLocation.fromNamespaceAndPath(resourceLocationString.substring(0, separatorIndex), resourceLocationString.substring(separatorIndex + 1));
+				#endif
 			}
 			catch (Exception e)
 			{

common/src/main/java/com/seibel/distanthorizons/common/wrappers/block/BlockStateWrapper.java

@@ -19,20 +19,28 @@
 
 package com.seibel.distanthorizons.common.wrappers.block;
 
+import com.seibel.distanthorizons.api.enums.rendering.EDhApiBlockMaterial;
+import com.seibel.distanthorizons.core.config.Config;
+import com.seibel.distanthorizons.core.config.types.ConfigEntry;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
+import com.seibel.distanthorizons.core.util.ColorUtil;
+import com.seibel.distanthorizons.core.util.LodUtil;
 import com.seibel.distanthorizons.core.wrapperInterfaces.block.IBlockStateWrapper;
 
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.ILevelWrapper;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.tags.BlockTags;
+import net.minecraft.world.level.block.BeaconBeamBlock;
 import net.minecraft.world.level.block.Block;
 import net.minecraft.world.level.block.Blocks;
 import net.minecraft.world.level.block.SoundType;
 import net.minecraft.world.level.block.state.BlockState;
 import org.apache.logging.log4j.Logger;
 
+import java.awt.*;
 import java.io.IOException;
 import java.util.*;
+import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 
 #if MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1
@@ -72,9 +80,8 @@ public class BlockStateWrapper implements IBlockStateWrapper
 	
 	public static final String DIRT_RESOURCE_LOCATION_STRING = "minecraft:dirt";
 	
-	// TODO: Make this changeable through the config
-	public static final String[] RENDERER_IGNORED_BLOCKS_RESOURCE_LOCATIONS = { AIR_STRING, "minecraft:barrier", "minecraft:structure_void", "minecraft:light", "minecraft:tripwire" };
 	public static HashSet<IBlockStateWrapper> rendererIgnoredBlocks = null;
+	public static HashSet<IBlockStateWrapper> rendererIgnoredCaveBlocks = null;
 	
 	/** keep track of broken blocks so we don't log every time */
 	private static final HashSet<ResourceLocation> BrokenResourceLocations = new HashSet<>();
@@ -89,11 +96,17 @@ public class BlockStateWrapper implements IBlockStateWrapper
 	private final int hashCode;
 	/** 
 	 * Cached opacity value, -1 if not populated. <br>
-	 * Should be between {@link IBlockStateWrapper#FULLY_OPAQUE} and {@link IBlockStateWrapper#FULLY_OPAQUE}
+	 * Should be between {@link LodUtil#BLOCK_FULLY_OPAQUE} and {@link LodUtil#BLOCK_FULLY_OPAQUE}
 	 */
 	private int opacity = -1;
 	/** used by the Iris shader mod to determine how each LOD should be rendered */
-	private byte irisBlockMaterialId = 0;
+	private byte blockMaterialId = 0;
+	
+	private final boolean isBeaconBlock; 
+	private final boolean isBeaconBaseBlock;
+	/** null if this block can't tint beacons */
+	private final Color beaconTintColor; 
+	private final Color mapColor;
 	
 	
 	
@@ -126,16 +139,68 @@ public class BlockStateWrapper implements IBlockStateWrapper
 		this.blockState = blockState;
 		this.serialString = this.serialize(levelWrapper);
 		this.hashCode = Objects.hash(this.serialString);
-		this.irisBlockMaterialId = this.calculateIrisBlockMaterialId();
+		this.blockMaterialId = this.calculateEDhApiBlockMaterialId().index;
 		
-		//LOGGER.trace("Created BlockStateWrapper ["+this.serialString+"] for ["+blockState+"] with material ID ["+this.irisBlockMaterialId+"]");
+		// beacon blocks
+		String lowercaseSerial = this.serialString.toLowerCase();
+		boolean isBeaconBaseBlock = false;
+		for (int i = 0; i < LodUtil.BEACON_BASE_BLOCK_NAME_LIST.size(); i++)
+		{
+			String baseBlockName = LodUtil.BEACON_BASE_BLOCK_NAME_LIST.get(i);
+			if (lowercaseSerial.contains(baseBlockName))
+			{
+				isBeaconBaseBlock = true;
+				break;
+			}
+		}
+		this.isBeaconBaseBlock = isBeaconBaseBlock;
+		this.isBeaconBlock = lowercaseSerial.contains("minecraft:beacon");
+		
+		// beacon tint color
+		Color beaconTintColor = null;
+		if (this.blockState != null
+			// beacon blocks also show up here, but since they block the beacon beam we don't want their color		
+			&& !this.isBeaconBlock)
+		{
+			Block block = this.blockState.getBlock();
+			if (block instanceof BeaconBeamBlock)
+			{
+				int colorInt;
+				#if MC_VER <= MC_1_19_4
+				colorInt = ((BeaconBeamBlock) block).getColor().getMaterialColor().col;
+				#else 
+				colorInt = ((BeaconBeamBlock) block).getColor().getMapColor().col;
+				#endif
+				
+				beaconTintColor = ColorUtil.toColorObjRGB(colorInt);
+			}
+		}
+		this.beaconTintColor = beaconTintColor;
+		
+		
+		int mcColor = 0;
+		if (this.blockState != null)
+		{
+			#if MC_VER < MC_1_20_1
+			mcColor = this.blockState.getMaterial().getColor().col;
+	        #else
+			mcColor = this.blockState.getMapColor(EmptyBlockGetter.INSTANCE, BlockPos.ZERO).col;
+            #endif
+			this.mapColor = ColorUtil.toColorObjRGB(mcColor);
+		}
+		else
+		{
+			this.mapColor = new Color(0,0,0,0);
+		}
+		
+		//LOGGER.trace("Created BlockStateWrapper ["+this.serialString+"] for ["+blockState+"] with material ID ["+this.EDhApiBlockMaterialId+"]");
 	}
 	
 	
 	
-	//================//
-	// helper methods //
-	//================//
+	//====================//
+	// LodBuilder methods //
+	//====================//
 	
 	/** 
 	 * Requires a {@link ILevelWrapper} since {@link BlockStateWrapper#deserialize(String,ILevelWrapper)} also requires one. 
@@ -149,37 +214,104 @@ public class BlockStateWrapper implements IBlockStateWrapper
 			return rendererIgnoredBlocks;
 		}
 		
+		HashSet<String> baseIgnoredBlock = new HashSet<>();
+		baseIgnoredBlock.add(AIR_STRING);
+		rendererIgnoredBlocks = getBlockWrappers(Config.Client.Advanced.LodBuilding.ignoredRenderBlockCsv, baseIgnoredBlock, levelWrapper);
+		return rendererIgnoredBlocks;
+	}
+	/**
+	 * Requires a {@link ILevelWrapper} since {@link BlockStateWrapper#deserialize(String,ILevelWrapper)} also requires one. 
+	 * This way the method won't accidentally be called before the deserialization can be completed.
+	 */
+	public static HashSet<IBlockStateWrapper> getRendererIgnoredCaveBlocks(ILevelWrapper levelWrapper)
+	{
+		// use the cached version if possible
+		if (rendererIgnoredCaveBlocks != null)
+		{
+			return rendererIgnoredCaveBlocks;
+		}
 		
+		HashSet<String> baseIgnoredBlock = new HashSet<>();
+		baseIgnoredBlock.add(AIR_STRING);
+		rendererIgnoredCaveBlocks = getBlockWrappers(Config.Client.Advanced.LodBuilding.ignoredRenderCaveBlockCsv, baseIgnoredBlock, levelWrapper);
+		return rendererIgnoredCaveBlocks;
+	}
+	
+	public static void clearRendererIgnoredBlocks() { rendererIgnoredBlocks = null; }
+	public static void clearRendererIgnoredCaveBlocks() { rendererIgnoredCaveBlocks = null; }
+	
+	
+	
+	// lod builder helpers //
+	
+	private static HashSet<IBlockStateWrapper> getBlockWrappers(ConfigEntry<String> config, HashSet<String> baseResourceLocations, ILevelWrapper levelWrapper)
+	{
+		// get the base blocks 
+		HashSet<String> blockStringList = new HashSet<>();
+		if (baseResourceLocations != null)
+		{
+			blockStringList.addAll(baseResourceLocations);	
+		}
+		
+		// get the config blocks
+		String ignoreBlockCsv = config.get();
+		if (ignoreBlockCsv != null)
+		{
+			blockStringList.addAll(Arrays.asList(ignoreBlockCsv.split(",")));
+		}
+		
+		return getBlockWrappers(blockStringList, levelWrapper);
+	}
+	private static HashSet<IBlockStateWrapper> getBlockWrappers(HashSet<String> blockResourceLocationSet, ILevelWrapper levelWrapper)
+	{
 		// deserialize each of the given resource locations
 		HashSet<IBlockStateWrapper> blockStateWrappers = new HashSet<>();
-		for (String blockResourceLocation : RENDERER_IGNORED_BLOCKS_RESOURCE_LOCATIONS)
+		for (String blockResourceLocation : blockResourceLocationSet)
 		{
 			try
 			{
-				BlockStateWrapper DefaultBlockStateToIgnore = (BlockStateWrapper) deserialize(blockResourceLocation, levelWrapper);
-				blockStateWrappers.add(DefaultBlockStateToIgnore);
-				
-				if (DefaultBlockStateToIgnore == AIR)
+				if (blockResourceLocation == null)
+				{
+					// shouldn't happen, but just in case
+					continue;
+				}
+				String cleanedResourceLocation = blockResourceLocation.trim();
+				if (cleanedResourceLocation.length() == 0)
 				{
 					continue;
 				}
 				
-				// add all possible blockstates (to account for light blocks with different light values and such)
-				List<BlockState> blockStatesToIgnore = DefaultBlockStateToIgnore.blockState.getBlock().getStateDefinition().getPossibleStates();
-				for (BlockState blockState : blockStatesToIgnore)
+				
+				BlockStateWrapper defaultBlockStateToIgnore = (BlockStateWrapper) deserialize(cleanedResourceLocation, levelWrapper);
+				blockStateWrappers.add(defaultBlockStateToIgnore);
+				
+				if (defaultBlockStateToIgnore != AIR)
 				{
-					BlockStateWrapper newBlockToIgnore = BlockStateWrapper.fromBlockState(blockState, levelWrapper);
-					blockStateWrappers.add(newBlockToIgnore);
+					// add all possible blockstates (to account for light blocks with different light values and such)
+					List<BlockState> blockStatesToIgnore = defaultBlockStateToIgnore.blockState.getBlock().getStateDefinition().getPossibleStates();
+					for (BlockState blockState : blockStatesToIgnore)
+					{
+						BlockStateWrapper newBlockToIgnore = BlockStateWrapper.fromBlockState(blockState, levelWrapper);
+						blockStateWrappers.add(newBlockToIgnore);
+					}
+				}
+				else
+				{
+					// air is a special case so it must be handled separately
+					blockStateWrappers.add(AIR);
 				}
 			}
 			catch (IOException e)
 			{
-				LOGGER.warn("Unable to deserialize rendererIgnoredBlock with the resource location: ["+blockResourceLocation+"]. Error: "+e.getMessage(), e);
+				LOGGER.warn("Unable to deserialize block with the resource location: ["+blockResourceLocation+"]. Error: "+e.getMessage(), e);
+			}
+			catch (Exception e)
+			{
+				LOGGER.warn("Unexpected error deserializing block with the resource location: ["+blockResourceLocation+"]. Error: "+e.getMessage(), e);
 			}
 		}
 		
-		rendererIgnoredBlocks = blockStateWrappers;
-		return rendererIgnoredBlocks;
+		return blockStateWrappers;
 	}
 	
 	
@@ -202,23 +334,23 @@ public class BlockStateWrapper implements IBlockStateWrapper
 		int opacity;
 		if (this.isAir())
 		{
-			opacity = FULLY_TRANSPARENT;
+			opacity = LodUtil.BLOCK_FULLY_TRANSPARENT;
 		}
 		else if (this.isLiquid() && !this.blockState.canOcclude())
 		{
 			// probably not a waterlogged block (which should block light entirely)
 			
 			// +1 to indicate that the block is translucent (in between transparent and opaque) 
-			opacity = FULLY_TRANSPARENT + 1;
+			opacity = LodUtil.BLOCK_FULLY_TRANSPARENT + 1;
 		}
 		else if (this.blockState.propagatesSkylightDown(EmptyBlockGetter.INSTANCE, BlockPos.ZERO))
 		{
-			opacity = FULLY_TRANSPARENT;
+			opacity = LodUtil.BLOCK_FULLY_TRANSPARENT;
 		}
 		else
 		{
 			// default for all other blocks
-			opacity = FULLY_OPAQUE;
+			opacity = LodUtil.BLOCK_FULLY_OPAQUE;
 		}
 		
 		
@@ -287,7 +419,19 @@ public class BlockStateWrapper implements IBlockStateWrapper
 	}
 	
 	@Override
-	public byte getIrisBlockMaterialId() { return this.irisBlockMaterialId; }
+	public boolean isBeaconBlock() { return this.isBeaconBlock; }
+	@Override
+	public boolean isBeaconBaseBlock() { return this.isBeaconBaseBlock; }
+	@Override
+	public boolean isBeaconTintBlock() { return this.beaconTintColor != null; }
+	
+	@Override
+	public Color getMapColor() { return this.mapColor; }
+	@Override
+	public Color getBeaconTintColor() { return this.beaconTintColor; }
+	
+	@Override
+	public byte getMaterialId() { return this.blockMaterialId; }
 	
 	@Override
 	public String toString() { return this.getSerialString(); }
@@ -380,7 +524,11 @@ public class BlockStateWrapper implements IBlockStateWrapper
 			ResourceLocation resourceLocation;
 			try
 			{
+				#if MC_VER < MC_1_21_1
 				resourceLocation = new ResourceLocation(resourceStateString.substring(0, separatorIndex), resourceStateString.substring(separatorIndex + 1));
+				#else
+				resourceLocation = ResourceLocation.fromNamespaceAndPath(resourceStateString.substring(0, separatorIndex), resourceStateString.substring(separatorIndex + 1));
+				#endif
 			}
 			catch (Exception e)
 			{
@@ -508,11 +656,11 @@ public class BlockStateWrapper implements IBlockStateWrapper
 	// Iris methods //
 	//==============//
 	
-	private byte calculateIrisBlockMaterialId() 
+	private EDhApiBlockMaterial calculateEDhApiBlockMaterialId() 
 	{
 		if (this.blockState == null)
 		{
-			return IrisBlockMaterial.AIR;
+			return EDhApiBlockMaterial.AIR;
 		}
 		
 		
@@ -525,15 +673,15 @@ public class BlockStateWrapper implements IBlockStateWrapper
 			|| serialString.contains("mushroom")
 			) 
 		{
-			return IrisBlockMaterial.LEAVES;
+			return EDhApiBlockMaterial.LEAVES;
 		}
 		else if (this.blockState.is(Blocks.LAVA))
 		{
-			return IrisBlockMaterial.LAVA;
+			return EDhApiBlockMaterial.LAVA;
 		}
 		else if (this.isLiquid() || this.blockState.is(Blocks.WATER))
 		{
-			return IrisBlockMaterial.WATER;
+			return EDhApiBlockMaterial.WATER;
 		}
 		else if (this.blockState.getSoundType() == SoundType.WOOD
 				|| serialString.contains("root")
@@ -542,7 +690,7 @@ public class BlockStateWrapper implements IBlockStateWrapper
 				#endif
 				) 
 		{
-			return IrisBlockMaterial.WOOD;
+			return EDhApiBlockMaterial.WOOD;
 		}
 		else if (this.blockState.getSoundType() == SoundType.METAL
 				#if MC_VER >= MC_1_19_2
@@ -554,11 +702,11 @@ public class BlockStateWrapper implements IBlockStateWrapper
 				#endif
 				) 
 		{
-			return IrisBlockMaterial.METAL;
+			return EDhApiBlockMaterial.METAL;
 		}
 		else if (serialString.contains("grass_block"))
 		{
-			return IrisBlockMaterial.GRASS;
+			return EDhApiBlockMaterial.GRASS;
 		}
 		else if (
 			serialString.contains("dirt")
@@ -568,7 +716,7 @@ public class BlockStateWrapper implements IBlockStateWrapper
 			|| serialString.contains("mycelium")
 			)
 		{
-			return IrisBlockMaterial.DIRT;
+			return EDhApiBlockMaterial.DIRT;
 		}
 		#if MC_VER >= MC_1_17_1
 		else if (this.blockState.getSoundType() == SoundType.DEEPSLATE
@@ -577,37 +725,37 @@ public class BlockStateWrapper implements IBlockStateWrapper
 				|| this.blockState.getSoundType() == SoundType.POLISHED_DEEPSLATE
 				|| serialString.contains("deepslate") ) 
 		{
-			return IrisBlockMaterial.DEEPSLATE;
+			return EDhApiBlockMaterial.DEEPSLATE;
 		} 
 		#endif
 		else if (this.serialString.contains("snow"))
 		{
-			return IrisBlockMaterial.SNOW;
+			return EDhApiBlockMaterial.SNOW;
 		} 
 		else if (serialString.contains("sand"))
 		{
-			return IrisBlockMaterial.SAND;
+			return EDhApiBlockMaterial.SAND;
 		}
 		else if (serialString.contains("terracotta"))
 		{
-			return IrisBlockMaterial.TERRACOTTA;
+			return EDhApiBlockMaterial.TERRACOTTA;
 		} 
 		else if (this.blockState.is(BlockTags.BASE_STONE_NETHER)) 
 		{
-			return IrisBlockMaterial.NETHER_STONE;
+			return EDhApiBlockMaterial.NETHER_STONE;
 		} 
 		else if (serialString.contains("stone")
 				|| serialString.contains("ore")) 
 		{
-			return IrisBlockMaterial.STONE;
+			return EDhApiBlockMaterial.STONE;
 		}
 		else if (this.blockState.getLightEmission() > 0) 
 		{
-			return IrisBlockMaterial.ILLUMINATED;
+			return EDhApiBlockMaterial.ILLUMINATED;
 		}
 		else
 		{
-			return IrisBlockMaterial.UNKOWN;
+			return EDhApiBlockMaterial.UNKNOWN;
 		}
 	}
 	

common/src/main/java/com/seibel/distanthorizons/common/wrappers/block/ClientBlockStateColorCache.java

@@ -0,0 +1,485 @@
+/*
+ *    This file is part of the Distant Horizons mod
+ *    licensed under the GNU LGPL v3 License.
+ *
+ *    Copyright (C) 2020-2023 James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.seibel.distanthorizons.common.wrappers.block;
+
+import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
+import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
+import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPos;
+import com.seibel.distanthorizons.core.util.ColorUtil;
+import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.block.model.BakedQuad;
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.core.Direction;
+import net.minecraft.world.level.LevelReader;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.FlowerBlock;
+import net.minecraft.world.level.block.LeavesBlock;
+import net.minecraft.world.level.block.RotatedPillarBlock;
+#if MC_VER >= MC_1_19_2
+import net.minecraft.util.RandomSource;
+#else
+import java.util.Random;
+#endif
+import net.minecraft.world.level.block.state.BlockState;
+import org.apache.logging.log4j.Logger;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ * This stores and calculates the colors
+ * the given {@link BlockState} should have based
+ * on the given {@link IClientLevelWrapper}.
+ * 
+ * @see ColorUtil
+ */
+public class ClientBlockStateColorCache
+{
+	private static final Logger LOGGER = DhLoggerBuilder.getLogger();
+	
+	private static final HashSet<BlockState> BLOCK_STATES_THAT_NEED_LEVEL = new HashSet<>();
+	private static final HashSet<BlockState> BROKEN_BLOCK_STATES = new HashSet<>();
+	
+	/** 
+	 * Methods using MC's "RandomSource" object aren't thread safe <br>
+	 * so we need to put locks around that logic. <br>
+	 * specifically:
+	 * <code>
+	 * getBlockModel(this.blockState).getQuads(this.blockState, direction, RANDOM)
+	 * </code>
+	 */
+	private static final ReentrantLock RESOLVE_LOCK = new ReentrantLock();
+	
+	
+	/** This is the order each direction on a block is processed when attempting to get the texture/color */
+	private static final Direction[] COLOR_RESOLUTION_DIRECTION_ORDER = { Direction.UP, Direction.NORTH, Direction.EAST, Direction.WEST, Direction.SOUTH, Direction.DOWN };
+	
+	private static final int FLOWER_COLOR_SCALE = 5;
+	
+	
+	
+	#if MC_VER < MC_1_19_2
+	private static final Random RANDOM = new Random(0);
+	#else
+	/** Note: this object isn't thread safe and must be put in a lock */
+	private static final RandomSource RANDOM = RandomSource.create();
+	#endif
+	
+	private final IClientLevelWrapper levelWrapper;
+	private final BlockState blockState;
+	private final LevelReader level;
+	
+	private boolean isColorResolved = false;
+	private int baseColor = 0;
+	private boolean needShade = true;
+	private boolean needPostTinting = false;
+	private int tintIndex = 0;
+	
+	
+	
+	//===========//
+	// constants //
+	//===========//
+	
+	private static final int MIN_SRGB_BITS = 0x39000000; // 2^(-13)
+	private static final int MAX_SRGB_BITS = 0x3f7fffff; // 1.0 - f32::EPSILON
+	private static final float MIN_SRGB_BOUND = Float.intBitsToFloat(MIN_SRGB_BITS);
+	private static final float MAX_SRGB_BOUND = Float.intBitsToFloat(MAX_SRGB_BITS);
+	
+	private static final int[] linearToSrgbTable = new int[] 
+		{
+			0x0073000d, 0x007a000d, 0x0080000d, 0x0087000d, 0x008d000d, 0x0094000d, 0x009a000d, 0x00a1000d,
+			0x00a7001a, 0x00b4001a, 0x00c1001a, 0x00ce001a, 0x00da001a, 0x00e7001a, 0x00f4001a, 0x0101001a,
+			0x010e0033, 0x01280033, 0x01410033, 0x015b0033, 0x01750033, 0x018f0033, 0x01a80033, 0x01c20033,
+			0x01dc0067, 0x020f0067, 0x02430067, 0x02760067, 0x02aa0067, 0x02dd0067, 0x03110067, 0x03440067,
+			0x037800ce, 0x03df00ce, 0x044600ce, 0x04ad00ce, 0x051400ce, 0x057b00c5, 0x05dd00bc, 0x063b00b5,
+			0x06970158, 0x07420142, 0x07e30130, 0x087b0120, 0x090b0112, 0x09940106, 0x0a1700fc, 0x0a9500f2,
+			0x0b0f01cb, 0x0bf401ae, 0x0ccb0195, 0x0d950180, 0x0e56016e, 0x0f0d015e, 0x0fbc0150, 0x10630143,
+			0x11070264, 0x1238023e, 0x1357021d, 0x14660201, 0x156601e9, 0x165a01d3, 0x174401c0, 0x182401af,
+			0x18fe0331, 0x1a9602fe, 0x1c1502d2, 0x1d7e02ad, 0x1ed4028d, 0x201a0270, 0x21520256, 0x227d0240,
+			0x239f0443, 0x25c003fe, 0x27bf03c4, 0x29a10392, 0x2b6a0367, 0x2d1d0341, 0x2ebe031f, 0x304d0300,
+			0x31d105b0, 0x34a80555, 0x37520507, 0x39d504c5, 0x3c37048b, 0x3e7c0458, 0x40a8042a, 0x42bd0401,
+			0x44c20798, 0x488e071e, 0x4c1c06b6, 0x4f76065d, 0x52a50610, 0x55ac05cc, 0x5892058f, 0x5b590559,
+			0x5e0c0a23, 0x631c0980, 0x67db08f6, 0x6c55087f, 0x70940818, 0x74a007bd, 0x787d076c, 0x7c330723,
+		};
+	
+	private static final float[] srgbToLinearTable = new float[] 
+		{
+			0.0f, 0.000303527f, 0.000607054f, 0.00091058103f, 0.001214108f, 0.001517635f, 0.0018211621f, 0.002124689f,
+			0.002428216f, 0.002731743f, 0.00303527f, 0.0033465356f, 0.003676507f, 0.004024717f, 0.004391442f,
+			0.0047769533f, 0.005181517f, 0.0056053917f, 0.0060488326f, 0.006512091f, 0.00699541f, 0.0074990317f,
+			0.008023192f, 0.008568125f, 0.009134057f, 0.009721218f, 0.010329823f, 0.010960094f, 0.011612245f,
+			0.012286487f, 0.012983031f, 0.013702081f, 0.014443844f, 0.015208514f, 0.015996292f, 0.016807375f,
+			0.017641952f, 0.018500218f, 0.019382361f, 0.020288562f, 0.02121901f, 0.022173883f, 0.023153365f,
+			0.02415763f, 0.025186857f, 0.026241222f, 0.027320892f, 0.028426038f, 0.029556843f, 0.03071345f, 0.03189604f,
+			0.033104774f, 0.03433981f, 0.035601325f, 0.036889452f, 0.038204376f, 0.039546248f, 0.04091521f, 0.042311423f,
+			0.043735042f, 0.045186214f, 0.046665095f, 0.048171833f, 0.049706575f, 0.051269468f, 0.052860655f, 0.05448028f,
+			0.056128494f, 0.057805434f, 0.05951124f, 0.06124607f, 0.06301003f, 0.06480328f, 0.06662595f, 0.06847818f,
+			0.07036011f, 0.07227186f, 0.07421358f, 0.07618539f, 0.07818743f, 0.08021983f, 0.082282715f, 0.084376216f,
+			0.086500466f, 0.088655606f, 0.09084173f, 0.09305898f, 0.095307484f, 0.09758736f, 0.09989874f, 0.10224175f,
+			0.10461649f, 0.10702311f, 0.10946172f, 0.111932434f, 0.11443538f, 0.116970696f, 0.11953845f, 0.12213881f,
+			0.12477186f, 0.12743773f, 0.13013652f, 0.13286836f, 0.13563336f, 0.13843165f, 0.14126332f, 0.1441285f,
+			0.1470273f, 0.14995982f, 0.15292618f, 0.1559265f, 0.15896086f, 0.16202943f, 0.16513224f, 0.16826946f,
+			0.17144115f, 0.17464745f, 0.17788847f, 0.1811643f, 0.18447503f, 0.1878208f, 0.19120172f, 0.19461787f,
+			0.19806935f, 0.2015563f, 0.20507877f, 0.2086369f, 0.21223079f, 0.21586053f, 0.21952623f, 0.22322798f,
+			0.22696589f, 0.23074007f, 0.23455065f, 0.23839766f, 0.2422812f, 0.2462014f, 0.25015837f, 0.25415218f,
+			0.2581829f, 0.26225072f, 0.26635566f, 0.27049786f, 0.27467737f, 0.27889434f, 0.2831488f, 0.2874409f,
+			0.2917707f, 0.29613832f, 0.30054384f, 0.30498737f, 0.30946895f, 0.31398875f, 0.31854683f, 0.32314324f,
+			0.32777813f, 0.33245158f, 0.33716366f, 0.34191445f, 0.3467041f, 0.3515327f, 0.35640025f, 0.36130688f,
+			0.3662527f, 0.37123778f, 0.37626222f, 0.3813261f, 0.38642952f, 0.39157256f, 0.3967553f, 0.40197787f,
+			0.4072403f, 0.4125427f, 0.41788515f, 0.42326775f, 0.42869055f, 0.4341537f, 0.43965724f, 0.44520125f,
+			0.45078585f, 0.45641106f, 0.46207705f, 0.46778384f, 0.47353154f, 0.47932023f, 0.48514998f, 0.4910209f,
+			0.49693304f, 0.5028866f, 0.50888145f, 0.5149178f, 0.5209957f, 0.52711535f, 0.5332766f, 0.5394797f,
+			0.5457247f, 0.5520116f, 0.5583406f, 0.5647117f, 0.57112503f, 0.57758063f, 0.5840786f, 0.590619f, 0.597202f,
+			0.60382754f, 0.61049575f, 0.61720675f, 0.62396055f, 0.63075733f, 0.637597f, 0.6444799f, 0.6514058f,
+			0.65837497f, 0.66538745f, 0.67244333f, 0.6795426f, 0.68668544f, 0.69387203f, 0.70110214f, 0.70837605f,
+			0.7156938f, 0.72305536f, 0.730461f, 0.7379107f, 0.7454045f, 0.75294244f, 0.76052475f, 0.7681514f, 0.77582246f,
+			0.78353804f, 0.79129815f, 0.79910296f, 0.8069525f, 0.8148468f, 0.822786f, 0.8307701f, 0.83879924f, 0.84687346f,
+			0.8549928f, 0.8631574f, 0.87136734f, 0.8796226f, 0.8879232f, 0.89626956f, 0.90466136f, 0.913099f, 0.92158204f,
+			0.93011117f, 0.9386859f, 0.9473069f, 0.9559735f, 0.9646866f, 0.9734455f, 0.98225087f, 0.9911022f, 1.0f
+		};
+	
+	
+	
+	//=============//
+	// constructor //
+	//=============//
+	
+	public ClientBlockStateColorCache(BlockState blockState, IClientLevelWrapper samplingLevel)
+	{
+		this.blockState = blockState;
+		this.levelWrapper = samplingLevel;
+		this.level = (LevelReader) samplingLevel.getWrappedMcObject();
+		this.resolveColors();
+	}
+	
+	
+	
+	//===================//
+	// color calculation //
+	//===================//
+	
+	private void resolveColors()
+	{
+		if (this.isColorResolved)
+		{
+			return;
+		}
+		
+		try
+		{
+			// getQuads() isn't thread safe so we need to put this logic in a lock
+			RESOLVE_LOCK.lock();
+			
+			if (this.blockState.getFluidState().isEmpty())
+			{
+				// look for the first non-empty direction
+				List<BakedQuad> quads = null;
+				for (Direction direction : COLOR_RESOLUTION_DIRECTION_ORDER)
+				{
+					quads = Minecraft.getInstance().getModelManager().getBlockModelShaper().
+							getBlockModel(this.blockState).getQuads(this.blockState, direction, RANDOM);
+					
+					if (quads != null && !quads.isEmpty()
+						&& !(
+							this.blockState.getBlock() instanceof RotatedPillarBlock
+							&& direction == Direction.UP
+							)
+						)
+					{
+						break;
+					}
+				}
+				
+				if (quads == null || quads.isEmpty())
+				{
+					quads = Minecraft.getInstance().getModelManager().getBlockModelShaper().
+							getBlockModel(this.blockState).getQuads(this.blockState, null, RANDOM);
+				}
+				
+				if (quads != null && !quads.isEmpty())
+				{
+					this.needPostTinting = quads.get(0).isTinted();
+					this.needShade = quads.get(0).isShade();
+					this.tintIndex = quads.get(0).getTintIndex();
+					this.baseColor = calculateColorFromTexture(
+	                        #if MC_VER < MC_1_17_1 quads.get(0).sprite,
+							#else quads.get(0).getSprite(), #endif
+							ColorMode.getColorMode(this.blockState.getBlock()));
+				}
+				else
+				{
+					// Backup method.
+					this.needPostTinting = false;
+					this.needShade = false;
+					this.tintIndex = 0;
+					this.baseColor = calculateColorFromTexture(Minecraft.getInstance().getModelManager().getBlockModelShaper().getParticleIcon(this.blockState),
+							ColorMode.getColorMode(this.blockState.getBlock()));
+				}
+			}
+			else
+			{
+				// Liquid Block
+				this.needPostTinting = true;
+				this.needShade = false;
+				this.tintIndex = 0;
+				this.baseColor = calculateColorFromTexture(Minecraft.getInstance().getModelManager().getBlockModelShaper().getParticleIcon(this.blockState),
+						ColorMode.getColorMode(this.blockState.getBlock()));
+			}
+			
+			this.isColorResolved = true;
+		}
+		finally
+		{
+			RESOLVE_LOCK.unlock();
+		}
+	}
+	//TODO: Perhaps make this not just use the first frame?
+	private static int calculateColorFromTexture(TextureAtlasSprite texture, ColorMode colorMode)
+	{
+		int count = 0;
+		int alpha = 0;
+		double red = 0;
+		double green = 0;
+		double blue = 0;
+		int tempColor;
+		
+		// don't render Chiseled blocks.
+		// Since ColorMode is set per block, you only need to check this once.
+		if (colorMode != ColorMode.Chisel)
+		{
+			// textures normally use u and v instead of x and y
+			for (int v = 0; v < getTextureHeight(texture); v++)
+			{
+				for (int u = 0; u < getTextureWidth(texture); u++)
+				{
+					//note: Minecraft color format is: 0xAA BB GG RR
+					//________ DH mod color format is: 0xAA RR GG BB
+					//OpenGL RGBA format native order: 0xRR GG BB AA
+					//_ OpenGL RGBA format Java Order: 0xAA BB GG RR
+					tempColor = TextureAtlasSpriteWrapper.getPixelRGBA(texture, 0, u, v);
+					
+					int r = (tempColor & 0x000000FF);
+					int g = (tempColor & 0x0000FF00) >>> 8;
+					int b = (tempColor & 0x00FF0000) >>> 16;
+					int a = (tempColor & 0xFF000000) >>> 24;
+					int scale = 1;
+					if (colorMode == ColorMode.Leaves)
+					{
+						//switch (//FIXME add config option)
+						//	case BLACK:
+						//	a = 255; //simulate black background of fast leaves
+						//		break;
+						//	case IGNORE:
+							if (a == 0) {
+								continue; //same long grass
+							}
+							else
+							{
+								a = 255; //just in case there are semi transparent pixels
+							}					
+						//		break;
+						//	case TRANSPARENT:
+						//		break; //do nothing, let it count towards transparency
+						
+					}
+					else if (a == 0 && colorMode != ColorMode.Glass)
+					{
+						continue;
+					}
+					else if (colorMode == ColorMode.Flower && (g + 25 < b || g + 25 < r))
+					{
+						scale = FLOWER_COLOR_SCALE;
+					}
+					count += scale;
+					//apparently alpha is linear
+					alpha += a * scale;
+					//gamma correction is complicated
+					red += srgbToLinearTable[r] * a * scale;
+					green += srgbToLinearTable[g] * a * scale;
+					blue += srgbToLinearTable[b] * a * scale;
+				}
+			}
+		}
+		
+		if (count == 0)
+		{
+			// this block is entirely transparent
+			tempColor = ColorUtil.rgbToInt(0, 255, 255, 255);
+		}
+		else
+		{
+			// determine the average color
+			tempColor = ColorUtil.rgbToInt(
+					alpha / count,
+					linearToSrgb((float) (red / (double) alpha)),
+					linearToSrgb((float) (green / (double) alpha)),
+					linearToSrgb((float) (blue / (double) alpha)));
+		}
+		
+		//check if not missing texture
+		if (tempColor == ColorUtil.rgbToInt(255, 182, 0, 182))
+		{
+			//make it not render at all
+			tempColor = ColorUtil.rgbToInt(0, 255, 255, 255);
+		}
+		return tempColor;
+	}
+	private static int getTextureWidth(TextureAtlasSprite texture)
+	{
+        #if MC_VER < MC_1_19_4
+		return texture.getWidth();
+        #else
+		return texture.contents().width();
+        #endif
+	}
+	private static int getTextureHeight(TextureAtlasSprite texture)
+	{
+        #if MC_VER < MC_1_19_4
+		return texture.getHeight();
+        #else
+		return texture.contents().height();
+        #endif
+	}
+	/**
+	 * This method was suggested by IMS from the Iris/Sodium team. 
+	 * That's where the numbers and code are based.
+	 */
+	private static int linearToSrgb(float c)
+	{
+		if (!(c > MIN_SRGB_BOUND)) {
+			c = MIN_SRGB_BOUND;
+		}
+		
+		if (c > MAX_SRGB_BOUND) {
+			c = MAX_SRGB_BOUND;
+		}
+		int inputBits = Float.floatToRawIntBits(c);
+		int entry = linearToSrgbTable[((inputBits - MIN_SRGB_BITS) >> 20)];
+		
+		int bias = (entry >>> 16) << 9;
+		int scale = entry & 0xffff;
+		int t = (inputBits >>> 12) & 0xff;
+		
+		return (bias + (scale * t)) >>> 16;
+	}
+	
+	
+	
+	//===============//
+	// public getter //
+	//===============//
+	
+	public int getColor(BiomeWrapper biome, DhBlockPos pos)
+	{
+		// only get the tint if the block needs to be tinted
+		if (!this.needPostTinting)
+		{
+			return this.baseColor;
+		}
+		
+		// don't try tinting blocks that don't support our method of tint getting
+		if (BROKEN_BLOCK_STATES.contains(this.blockState))
+		{
+			return this.baseColor;
+		}
+		
+		
+		// attempt to get the tint
+		int tintColor = -1;
+		try
+		{
+			// try to use the fast tint getter logic first
+			if (!BLOCK_STATES_THAT_NEED_LEVEL.contains(this.blockState))
+			{
+				try
+				{
+					tintColor = Minecraft.getInstance().getBlockColors()
+							.getColor(this.blockState, new TintWithoutLevelOverrider(biome, this.levelWrapper), McObjectConverter.Convert(pos), this.tintIndex);
+				}
+				catch (UnsupportedOperationException e)
+				{
+					// this exception generally occurs if the tint requires other blocks besides itself
+					LOGGER.debug("Unable to use ["+TintWithoutLevelOverrider.class.getSimpleName()+"] to get the block tint for block: [" + this.blockState + "] and biome: [" + biome + "] at pos: " + pos + ". Error: [" + e.getMessage() + "]. Attempting to use backup method...", e);
+					BLOCK_STATES_THAT_NEED_LEVEL.add(this.blockState);
+				}
+			}
+			
+			// use the level logic only if requested
+			if (BLOCK_STATES_THAT_NEED_LEVEL.contains(this.blockState))
+			{
+				// this logic can't be used all the time due to it breaking some blocks tinting
+				// specifically oceans don't render correctly
+				tintColor = Minecraft.getInstance().getBlockColors()
+						.getColor(this.blockState, new TintGetterOverrideFast(this.level), McObjectConverter.Convert(pos), this.tintIndex);
+			}
+		}
+		catch (Exception e)
+		{
+			// only display the error once per block/biome type to reduce log spam
+			if (!BROKEN_BLOCK_STATES.contains(this.blockState))
+			{
+				LOGGER.warn("Failed to get block color for block: [" + this.blockState + "] and biome: [" + biome + "] at pos: " + pos + ". Error: ["+e.getMessage() + "]. Note: future errors for this block/biome will be ignored.", e);
+				BROKEN_BLOCK_STATES.add(this.blockState);
+			}
+		}
+		
+		
+		
+		if (tintColor != -1)
+		{
+			return ColorUtil.multiplyARGBwithRGB(this.baseColor, tintColor);
+		}
+		else
+		{
+			// unable to get the tinted color, use the base color instead
+			return this.baseColor;
+		}
+	}
+	
+	
+	
+	//================//
+	// helper classes //
+	//================//
+	
+	enum ColorMode
+	{
+		Default,
+		Flower,
+		Leaves,
+		Chisel,
+		Glass;
+		
+		static ColorMode getColorMode(Block block)
+		{
+			if (block instanceof LeavesBlock) return Leaves;
+			if (block instanceof FlowerBlock) return Flower;
+			if (block.toString().contains("glass")) return Glass;
+			if (block.toString().equals("Block{chiselsandbits:chiseled}")) return Chisel;
+			return Default;
+		}
+	}
+	
+	
+	
+}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/block/cache/ClientBlockDetailMap.java

@@ -1,48 +0,0 @@
-/*
- *    This file is part of the Distant Horizons mod
- *    licensed under the GNU LGPL v3 License.
- *
- *    Copyright (C) 2020-2023 James Seibel
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
- *
- *    You should have received a copy of the GNU Lesser General Public License
- *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.seibel.distanthorizons.common.wrappers.block.cache;
-
-import com.seibel.distanthorizons.common.wrappers.block.BiomeWrapper;
-import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
-import net.minecraft.world.level.block.state.BlockState;
-
-import java.util.concurrent.ConcurrentHashMap;
-
-public class ClientBlockDetailMap
-{
-	private final ConcurrentHashMap<BlockState, ClientBlockStateCache> blockCache = new ConcurrentHashMap<>();
-	//private final ConcurrentHashMap<#if MC_VER < MC_1_18_2 Biome #else Holder<Biome> #endif, Biome> biomeMap = new ConcurrentHashMap<>();
-	private final ClientLevelWrapper level;
-	public ClientBlockDetailMap(ClientLevelWrapper level) { this.level = level; }
-	
-	public ClientBlockStateCache getBlockStateData(BlockState state, DhBlockPos pos)
-	{ //TODO: Allow a per pos unique setting
-		return blockCache.computeIfAbsent(state, (s) -> new ClientBlockStateCache(s, level, pos));
-	}
-	
-	public void clear() { blockCache.clear(); }
-	
-	public int getColor(BlockState state, BiomeWrapper biome, DhBlockPos pos)
-	{
-		return getBlockStateData(state, pos).getAndResolveFaceColor(biome, pos);
-	}
-	
-}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/block/cache/ClientBlockStateCache.java

@@ -1,412 +0,0 @@
-/*
- *    This file is part of the Distant Horizons mod
- *    licensed under the GNU LGPL v3 License.
- *
- *    Copyright (C) 2020-2023 James Seibel
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
- *
- *    You should have received a copy of the GNU Lesser General Public License
- *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.seibel.distanthorizons.common.wrappers.block.cache;
-
-import com.seibel.distanthorizons.common.wrappers.block.BiomeWrapper;
-import com.seibel.distanthorizons.common.wrappers.block.TextureAtlasSpriteWrapper;
-import com.seibel.distanthorizons.common.wrappers.block.TintWithoutLevelOverrider;
-import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
-import com.seibel.distanthorizons.common.wrappers.block.*;
-import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
-import com.seibel.distanthorizons.core.util.ColorUtil;
-import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
-import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.block.model.BakedQuad;
-import net.minecraft.client.renderer.texture.TextureAtlasSprite;
-import net.minecraft.core.BlockPos;
-import net.minecraft.core.Direction;
-import net.minecraft.world.level.LevelReader;
-import net.minecraft.world.level.block.Block;
-import net.minecraft.world.level.block.FlowerBlock;
-import net.minecraft.world.level.block.LeavesBlock;
-import net.minecraft.world.level.block.RotatedPillarBlock;
-#if MC_VER >= MC_1_19_2
-import net.minecraft.util.RandomSource;
-#else
-import java.util.Random;
-#endif
-import net.minecraft.world.level.block.state.BlockState;
-import org.apache.logging.log4j.Logger;
-
-import java.util.HashSet;
-import java.util.List;
-
-/**
- * @version 2022-9-16
- */
-public class ClientBlockStateCache
-{
-	private static final Logger LOGGER = DhLoggerBuilder.getLogger();
-	
-	private static final HashSet<BlockState> BLOCK_STATES_THAT_NEED_LEVEL = new HashSet<>();
-	private static final HashSet<BlockState> BROKEN_BLOCK_STATES = new HashSet<>();
-	
-	#if MC_VER < MC_1_19_2
-	public static final Random random = new Random(0);
-	#else
-	public static final RandomSource random = RandomSource.create();
-	#endif
-	
-	public final IClientLevelWrapper levelWrapper;
-	public final BlockState blockState;
-	public final LevelReader level;
-	public final BlockPos pos;
-	
-	
-	
-	public ClientBlockStateCache(BlockState blockState, IClientLevelWrapper samplingLevel, DhBlockPos samplingPos)
-	{
-		this.blockState = blockState;
-		this.levelWrapper = samplingLevel;
-		this.level = (LevelReader) samplingLevel.getWrappedMcObject();
-		this.pos = McObjectConverter.Convert(samplingPos);
-		this.resolveColors();
-		//LOGGER.info("ClientBlocKCache created for {}", blockState);
-	}
-	
-	boolean isColorResolved = false;
-	int baseColor = 0; //TODO: Impl per-face color
-	boolean needShade = true;
-	boolean needPostTinting = false;
-	int tintIndex = 0;
-	
-	
-	public static final int FLOWER_COLOR_SCALE = 5;
-	
-	enum ColorMode
-	{
-		Default,
-		Flower,
-		Leaves,
-		Chisel,
-		Glass;
-		static ColorMode getColorMode(Block b)
-		{
-			if (b instanceof LeavesBlock) return Leaves;
-			if (b instanceof FlowerBlock) return Flower;
-			if (b.toString().contains("glass")) return Glass;
-			if (b.toString().equals("Block{chiselsandbits:chiseled}")) return Chisel;
-			return Default;
-		}
-	}
-
-	//Way to efficiently do this was suggested by IMS from sodium. This is where those numbers and support code was lifted from.
-	private static final int MIN_BITS = 0x39000000; // 2^(-13)
-	private static final int MAX_BITS = 0x3f7fffff; // 1.0 - f32::EPSILON
-	private static final float MIN_BOUND = Float.intBitsToFloat(MIN_BITS);
-	private static final float MAX_BOUND = Float.intBitsToFloat(MAX_BITS);
-
-	private static final int[] linearToSrgbTable = new int[] {
-			0x0073000d, 0x007a000d, 0x0080000d, 0x0087000d, 0x008d000d, 0x0094000d, 0x009a000d, 0x00a1000d,
-			0x00a7001a, 0x00b4001a, 0x00c1001a, 0x00ce001a, 0x00da001a, 0x00e7001a, 0x00f4001a, 0x0101001a,
-			0x010e0033, 0x01280033, 0x01410033, 0x015b0033, 0x01750033, 0x018f0033, 0x01a80033, 0x01c20033,
-			0x01dc0067, 0x020f0067, 0x02430067, 0x02760067, 0x02aa0067, 0x02dd0067, 0x03110067, 0x03440067,
-			0x037800ce, 0x03df00ce, 0x044600ce, 0x04ad00ce, 0x051400ce, 0x057b00c5, 0x05dd00bc, 0x063b00b5,
-			0x06970158, 0x07420142, 0x07e30130, 0x087b0120, 0x090b0112, 0x09940106, 0x0a1700fc, 0x0a9500f2,
-			0x0b0f01cb, 0x0bf401ae, 0x0ccb0195, 0x0d950180, 0x0e56016e, 0x0f0d015e, 0x0fbc0150, 0x10630143,
-			0x11070264, 0x1238023e, 0x1357021d, 0x14660201, 0x156601e9, 0x165a01d3, 0x174401c0, 0x182401af,
-			0x18fe0331, 0x1a9602fe, 0x1c1502d2, 0x1d7e02ad, 0x1ed4028d, 0x201a0270, 0x21520256, 0x227d0240,
-			0x239f0443, 0x25c003fe, 0x27bf03c4, 0x29a10392, 0x2b6a0367, 0x2d1d0341, 0x2ebe031f, 0x304d0300,
-			0x31d105b0, 0x34a80555, 0x37520507, 0x39d504c5, 0x3c37048b, 0x3e7c0458, 0x40a8042a, 0x42bd0401,
-			0x44c20798, 0x488e071e, 0x4c1c06b6, 0x4f76065d, 0x52a50610, 0x55ac05cc, 0x5892058f, 0x5b590559,
-			0x5e0c0a23, 0x631c0980, 0x67db08f6, 0x6c55087f, 0x70940818, 0x74a007bd, 0x787d076c, 0x7c330723,
-	};
-	
-	private static final float[] srgbToLinearTable = new float[] {
-		0.0f, 0.000303527f, 0.000607054f, 0.00091058103f, 0.001214108f, 0.001517635f, 0.0018211621f, 0.002124689f,
-		0.002428216f, 0.002731743f, 0.00303527f, 0.0033465356f, 0.003676507f, 0.004024717f, 0.004391442f,
-		0.0047769533f, 0.005181517f, 0.0056053917f, 0.0060488326f, 0.006512091f, 0.00699541f, 0.0074990317f,
-		0.008023192f, 0.008568125f, 0.009134057f, 0.009721218f, 0.010329823f, 0.010960094f, 0.011612245f,
-		0.012286487f, 0.012983031f, 0.013702081f, 0.014443844f, 0.015208514f, 0.015996292f, 0.016807375f,
-		0.017641952f, 0.018500218f, 0.019382361f, 0.020288562f, 0.02121901f, 0.022173883f, 0.023153365f,
-		0.02415763f, 0.025186857f, 0.026241222f, 0.027320892f, 0.028426038f, 0.029556843f, 0.03071345f, 0.03189604f,
-		0.033104774f, 0.03433981f, 0.035601325f, 0.036889452f, 0.038204376f, 0.039546248f, 0.04091521f, 0.042311423f,
-		0.043735042f, 0.045186214f, 0.046665095f, 0.048171833f, 0.049706575f, 0.051269468f, 0.052860655f, 0.05448028f,
-		0.056128494f, 0.057805434f, 0.05951124f, 0.06124607f, 0.06301003f, 0.06480328f, 0.06662595f, 0.06847818f,
-		0.07036011f, 0.07227186f, 0.07421358f, 0.07618539f, 0.07818743f, 0.08021983f, 0.082282715f, 0.084376216f,
-		0.086500466f, 0.088655606f, 0.09084173f, 0.09305898f, 0.095307484f, 0.09758736f, 0.09989874f, 0.10224175f,
-		0.10461649f, 0.10702311f, 0.10946172f, 0.111932434f, 0.11443538f, 0.116970696f, 0.11953845f, 0.12213881f,
-		0.12477186f, 0.12743773f, 0.13013652f, 0.13286836f, 0.13563336f, 0.13843165f, 0.14126332f, 0.1441285f,
-		0.1470273f, 0.14995982f, 0.15292618f, 0.1559265f, 0.15896086f, 0.16202943f, 0.16513224f, 0.16826946f,
-		0.17144115f, 0.17464745f, 0.17788847f, 0.1811643f, 0.18447503f, 0.1878208f, 0.19120172f, 0.19461787f,
-		0.19806935f, 0.2015563f, 0.20507877f, 0.2086369f, 0.21223079f, 0.21586053f, 0.21952623f, 0.22322798f,
-		0.22696589f, 0.23074007f, 0.23455065f, 0.23839766f, 0.2422812f, 0.2462014f, 0.25015837f, 0.25415218f,
-		0.2581829f, 0.26225072f, 0.26635566f, 0.27049786f, 0.27467737f, 0.27889434f, 0.2831488f, 0.2874409f,
-		0.2917707f, 0.29613832f, 0.30054384f, 0.30498737f, 0.30946895f, 0.31398875f, 0.31854683f, 0.32314324f,
-		0.32777813f, 0.33245158f, 0.33716366f, 0.34191445f, 0.3467041f, 0.3515327f, 0.35640025f, 0.36130688f,
-		0.3662527f, 0.37123778f, 0.37626222f, 0.3813261f, 0.38642952f, 0.39157256f, 0.3967553f, 0.40197787f,
-		0.4072403f, 0.4125427f, 0.41788515f, 0.42326775f, 0.42869055f, 0.4341537f, 0.43965724f, 0.44520125f,
-		0.45078585f, 0.45641106f, 0.46207705f, 0.46778384f, 0.47353154f, 0.47932023f, 0.48514998f, 0.4910209f,
-		0.49693304f, 0.5028866f, 0.50888145f, 0.5149178f, 0.5209957f, 0.52711535f, 0.5332766f, 0.5394797f,
-		0.5457247f, 0.5520116f, 0.5583406f, 0.5647117f, 0.57112503f, 0.57758063f, 0.5840786f, 0.590619f, 0.597202f,
-		0.60382754f, 0.61049575f, 0.61720675f, 0.62396055f, 0.63075733f, 0.637597f, 0.6444799f, 0.6514058f,
-		0.65837497f, 0.66538745f, 0.67244333f, 0.6795426f, 0.68668544f, 0.69387203f, 0.70110214f, 0.70837605f,
-		0.7156938f, 0.72305536f, 0.730461f, 0.7379107f, 0.7454045f, 0.75294244f, 0.76052475f, 0.7681514f, 0.77582246f,
-		0.78353804f, 0.79129815f, 0.79910296f, 0.8069525f, 0.8148468f, 0.822786f, 0.8307701f, 0.83879924f, 0.84687346f,
-		0.8549928f, 0.8631574f, 0.87136734f, 0.8796226f, 0.8879232f, 0.89626956f, 0.90466136f, 0.913099f, 0.92158204f,
-		0.93011117f, 0.9386859f, 0.9473069f, 0.9559735f, 0.9646866f, 0.9734455f, 0.98225087f, 0.9911022f, 1.0f
-    };
-
-	private static int linearToSrgb(float c) {
-		if (!(c > MIN_BOUND)) {
-			c = MIN_BOUND;
-		}
-
-		if (c > MAX_BOUND) {
-			c = MAX_BOUND;
-		}
-		int inputBits = Float.floatToRawIntBits(c);
-		int entry = linearToSrgbTable[((inputBits - MIN_BITS) >> 20)];
-
-		int bias = (entry >>> 16) << 9;
-		int scale = entry & 0xffff;
-		int t = (inputBits >>> 12) & 0xff;
-
-		return (bias + (scale * t)) >>> 16;
-	}
-	//////////////
-	
-	private static int getWidth(TextureAtlasSprite texture)
-	{
-        #if MC_VER < MC_1_19_4
-		return texture.getWidth();
-        #else
-		return texture.contents().width();
-        #endif
-	}
-	
-	private static int getHeight(TextureAtlasSprite texture)
-	{
-        #if MC_VER < MC_1_19_4
-		return texture.getHeight();
-        #else
-		return texture.contents().height();
-        #endif
-	}
-
-	
-	//TODO: Perhaps make this not just use the first frame?
-	private static int calculateColorFromTexture(TextureAtlasSprite texture, ColorMode colorMode)
-	{
-		int count = 0;
-		int alpha = 0;
-		double red = 0;
-		double green = 0;
-		double blue = 0;
-		int tempColor;
-		//make Chiseled block not render. Since ColorMode is set per block, you only need to check it once
-		if (colorMode != ColorMode.Chisel)
-		{
-			// textures normally use u and v instead of x and y
-			for (int v = 0; v < getHeight(texture); v++)
-			{
-				for (int u = 0; u < getWidth(texture); u++)
-				{
-					//note: Minecraft color format is: 0xAA BB GG RR
-					//________ DH mod color format is: 0xAA RR GG BB
-					//OpenGL RGBA format native order: 0xRR GG BB AA
-					//_ OpenGL RGBA format Java Order: 0xAA BB GG RR
-					tempColor = TextureAtlasSpriteWrapper.getPixelRGBA(texture, 0, u, v);
-					
-					int r = (tempColor & 0x000000FF);
-					int g = (tempColor & 0x0000FF00) >>> 8;
-					int b = (tempColor & 0x00FF0000) >>> 16;
-					int a = (tempColor & 0xFF000000) >>> 24;
-					int scale = 1;
-					if (colorMode == ColorMode.Leaves)
-					{
-						//switch (//FIXME add config option)
-						//	case BLACK:
-						//	a = 255; //simulate black background of fast leaves
-						//		break;
-						//	case IGNORE:
-							if (a == 0) {
-								continue; //same long grass
-							}
-							else
-							{
-								a = 255; //just in case there are semi transparent pixels
-							}					
-						//		break;
-						//	case TRANSPARENT:
-						//		break; //do nothing, let it count towards transparency
-						
-					}
-					else if (a == 0 && colorMode != ColorMode.Glass)
-					{
-						continue;
-					}
-					else if (colorMode == ColorMode.Flower && (g + 25 < b || g + 25 < r))
-					{
-						scale = FLOWER_COLOR_SCALE;
-					}
-					count += scale;
-					//apparently alpha is linear
-					alpha += a * scale;
-					//gamma correction is complicated
-					red += srgbToLinearTable[r] * a * scale;
-					green += srgbToLinearTable[g] * a * scale;
-					blue += srgbToLinearTable[b] * a * scale;
-				}
-			}
-		}
-		
-		if (count == 0)
-			// this block is entirely transparent
-			tempColor = ColorUtil.rgbToInt(0, 255, 255, 255);
-		else
-		{
-			// determine the average color
-			tempColor = ColorUtil.rgbToInt(
-					alpha / count,
-					linearToSrgb((float) (red / (double) alpha)),
-					linearToSrgb((float) (green / (double) alpha)),
-					linearToSrgb((float) (blue / (double) alpha)));
-		}
-		//check if not missing texture
-		if (tempColor == ColorUtil.rgbToInt(255, 182, 0, 182))
-		{
-			//make it not render at all
-			tempColor = ColorUtil.rgbToInt(0, 255, 255, 255);
-		}
-		return tempColor;
-	}
-	private static final Direction[] DIRECTION_ORDER = {Direction.UP, Direction.NORTH, Direction.EAST, Direction.WEST, Direction.SOUTH, Direction.DOWN};
-	
-	private void resolveColors()
-	{
-		if (isColorResolved) return;
-		if (blockState.getFluidState().isEmpty())
-		{
-			List<BakedQuad> quads = null;
-			for (Direction direction : DIRECTION_ORDER)
-			{
-				quads = Minecraft.getInstance().getModelManager().getBlockModelShaper().
-						getBlockModel(blockState).getQuads(blockState, direction, random); // TODO getQuads sometimes throws a "makeThreadingException", is there anything we can do about that? Note: this isn't a critical issue, it just prints an ugly error and the render data will need to be regenered.
-				if (quads != null && !quads.isEmpty() &&
-						!(blockState.getBlock() instanceof RotatedPillarBlock && direction == Direction.UP))
-					break;
-			} ;
-			if (quads == null || quads.isEmpty())
-			{
-				quads = Minecraft.getInstance().getModelManager().getBlockModelShaper().
-						getBlockModel(blockState).getQuads(blockState, null, random);
-			}
-			if (quads != null && !quads.isEmpty())
-			{
-				needPostTinting = quads.get(0).isTinted();
-				needShade = quads.get(0).isShade();
-				tintIndex = quads.get(0).getTintIndex();
-				baseColor = calculateColorFromTexture(
-                        #if MC_VER < MC_1_17_1 quads.get(0).sprite,
-						#else quads.get(0).getSprite(), #endif
-						ColorMode.getColorMode(blockState.getBlock()));
-			}
-			else
-			{ // Backup method.
-				needPostTinting = false;
-				needShade = false;
-				tintIndex = 0;
-				baseColor = calculateColorFromTexture(Minecraft.getInstance().getModelManager().getBlockModelShaper().getParticleIcon(blockState),
-						ColorMode.getColorMode(blockState.getBlock()));
-			}
-		}
-		else
-		{ // Liquid Block
-			needPostTinting = true;
-			needShade = false;
-			tintIndex = 0;
-			baseColor = calculateColorFromTexture(Minecraft.getInstance().getModelManager().getBlockModelShaper().getParticleIcon(blockState),
-					ColorMode.getColorMode(blockState.getBlock()));
-		}
-		isColorResolved = true;
-	}
-	
-	public int getAndResolveFaceColor(BiomeWrapper biome, DhBlockPos pos)
-	{
-		// FIXME: impl per-face colors
-		
-		// only get the tint if the block needs to be tinted
-		if (!this.needPostTinting)
-		{
-			return this.baseColor;
-		}
-		
-		// don't try tinting blocks that don't support our method of tint getting
-		if (BROKEN_BLOCK_STATES.contains(this.blockState))
-		{
-			return this.baseColor;
-		}
-		
-		
-		// attempt to get the tint
-		int tintColor = -1;
-		try
-		{
-			// try to use the fast tint getter logic first
-			if (!BLOCK_STATES_THAT_NEED_LEVEL.contains(this.blockState))
-			{
-				try
-				{
-					tintColor = Minecraft.getInstance().getBlockColors()
-							.getColor(this.blockState, new TintWithoutLevelOverrider(biome, this.levelWrapper), McObjectConverter.Convert(pos), this.tintIndex);
-				}
-				catch (UnsupportedOperationException e)
-				{
-					// this exception generally occurs if the tint requires other blocks besides itself
-					LOGGER.debug("Unable to use ["+TintWithoutLevelOverrider.class.getSimpleName()+"] to get the block tint for block: [" + this.blockState + "] and biome: [" + biome + "] at pos: " + pos + ". Error: [" + e.getMessage() + "]. Attempting to use backup method...", e);
-					BLOCK_STATES_THAT_NEED_LEVEL.add(this.blockState);
-				}
-			}
-			
-			// use the level logic only if requested
-			if (BLOCK_STATES_THAT_NEED_LEVEL.contains(this.blockState))
-			{
-				// this logic can't be used all the time due to it breaking some blocks tinting
-				// specifically oceans don't render correctly
-				tintColor = Minecraft.getInstance().getBlockColors()
-						.getColor(this.blockState, new TintGetterOverrideFast(this.level), McObjectConverter.Convert(pos), this.tintIndex);
-			}
-		}
-		catch (Exception e)
-		{
-			// only display the error once per block/biome type to reduce log spam
-			if (!BROKEN_BLOCK_STATES.contains(this.blockState))
-			{
-				LOGGER.warn("Failed to get block color for block: [" + this.blockState + "] and biome: [" + biome + "] at pos: " + pos + ". Error: ["+e.getMessage() + "]. Note: future errors for this block/biome will be ignored.", e);
-				BROKEN_BLOCK_STATES.add(this.blockState);
-			}
-		}
-		
-		
-		
-		if (tintColor != -1)
-		{
-			return ColorUtil.multiplyARGBwithRGB(this.baseColor, tintColor);
-		}
-		else
-		{
-			// unable to get the tinted color, use the base color instead
-			return this.baseColor;
-		}
-	}
-	
-}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/block/cache/ServerBlockDetailMap.java

@@ -1,43 +0,0 @@
-/*
- *    This file is part of the Distant Horizons mod
- *    licensed under the GNU LGPL v3 License.
- *
- *    Copyright (C) 2020-2023 James Seibel
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
- *
- *    You should have received a copy of the GNU Lesser General Public License
- *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.seibel.distanthorizons.common.wrappers.block.cache;
-
-import java.util.concurrent.ConcurrentHashMap;
-
-import com.seibel.distanthorizons.common.wrappers.world.ServerLevelWrapper;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
-import net.minecraft.world.level.block.state.BlockState;
-
-
-public class ServerBlockDetailMap
-{
-	private final ConcurrentHashMap<BlockState, ServerBlockStateCache> blockCache = new ConcurrentHashMap<>();
-	//private final ConcurrentHashMap<#if MC_VER < MC_1_18_2 Biome #else Holder<Biome> #endif, Biome> biomeMap = new ConcurrentHashMap<>();
-	private final ServerLevelWrapper level;
-	public ServerBlockDetailMap(ServerLevelWrapper level) { this.level = level; }
-	
-	public ServerBlockStateCache getBlockStateData(BlockState state, DhBlockPos pos)
-	{ //TODO: Allow a per pos unique setting
-		return blockCache.computeIfAbsent(state, (s) -> new ServerBlockStateCache(s, level, new DhBlockPos(0, 0, 0)));
-	}
-	
-	public void clear() { blockCache.clear(); }
-	
-}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/block/cache/ServerBlockStateCache.java

@@ -1,104 +0,0 @@
-/*
- *    This file is part of the Distant Horizons mod
- *    licensed under the GNU LGPL v3 License.
- *
- *    Copyright (C) 2020-2023 James Seibel
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
- *
- *    You should have received a copy of the GNU Lesser General Public License
- *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.seibel.distanthorizons.common.wrappers.block.cache;
-
-import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
-import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
-import com.seibel.distanthorizons.core.wrapperInterfaces.world.ILevelWrapper;
-import net.minecraft.core.BlockPos;
-import net.minecraft.core.Direction;
-import net.minecraft.world.level.LevelReader;
-import net.minecraft.world.level.block.state.BlockState;
-import net.minecraft.world.phys.AABB;
-import net.minecraft.world.phys.shapes.VoxelShape;
-import org.apache.logging.log4j.Logger;
-
-import java.util.Arrays;
-
-/**
- * @version 2022-9-16
- */
-public class ServerBlockStateCache
-{
-	private static final Logger LOGGER = DhLoggerBuilder.getLogger();
-	
-	public final BlockState state;
-	public final LevelReader level;
-	public final BlockPos pos;
-	
-	public ServerBlockStateCache(BlockState blockState, ILevelWrapper samplingLevel, DhBlockPos samplingPos)
-	{
-		state = blockState;
-		level = (LevelReader) samplingLevel.getWrappedMcObject();
-		pos = McObjectConverter.Convert(samplingPos);
-		resolveShapes();
-		//LOGGER.info("ServerBlockState created for {}", blockState);
-	}
-	
-	boolean noCollision = false;
-	boolean[] occludeFaces = null;
-	boolean[] fullFaces = null;
-	boolean isShapeResolved = false;
-	public void resolveShapes()
-	{
-		if (isShapeResolved) return;
-		if (state.getFluidState().isEmpty())
-		{
-			noCollision = state.getCollisionShape(level, pos).isEmpty();
-			occludeFaces = new boolean[6];
-			if (state.canOcclude())
-			{
-				for (Direction dir : Direction.values())
-				{
-					// Note: isEmpty() isn't quite correct... best would be a isFull() or something...
-					occludeFaces[McObjectConverter.Convert(dir).ordinal()]
-							= !state.getFaceOcclusionShape(level, pos, dir).isEmpty();
-				}
-			}
-			
-			VoxelShape voxelShape = state.getShape(level, pos);
-			fullFaces = new boolean[6];
-			if (!voxelShape.isEmpty())
-			{
-				for (Direction dir : Direction.values())
-				{
-					VoxelShape faceShape = voxelShape.getFaceShape(dir);
-					AABB aabb = faceShape.bounds();
-					boolean xFull = aabb.minX <= 0.01 && aabb.maxX >= 0.99;
-					boolean yFull = aabb.minY <= 0.01 && aabb.maxY >= 0.99;
-					boolean zFull = aabb.minZ <= 0.01 && aabb.maxZ >= 0.99;
-					fullFaces[McObjectConverter.Convert(dir).ordinal()] =
-							(xFull || dir.getAxis().equals(Direction.Axis.X))
-									&& (yFull || dir.getAxis().equals(Direction.Axis.Y))
-									&& (zFull || dir.getAxis().equals(Direction.Axis.Z));
-				}
-			}
-		}
-		else
-		{ // Liquid Block. Treat as full block
-			occludeFaces = new boolean[6];
-			Arrays.fill(occludeFaces, true);
-			fullFaces = new boolean[6];
-			Arrays.fill(fullFaces, true);
-		}
-	}
-	
-}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/chunk/ChunkLightStorage.java

@@ -1,239 +0,0 @@
-/*
- *    This file is part of the Distant Horizons mod
- *    licensed under the GNU LGPL v3 License.
- *
- *    Copyright (C) 2020-2023 James Seibel
- *
- *    This program is free software: you can redistribute it and/or modify
- *    it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
- *
- *    You should have received a copy of the GNU Lesser General Public License
- *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package com.seibel.distanthorizons.common.wrappers.chunk;
-
-import com.seibel.distanthorizons.coreapi.util.BitShiftUtil;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-
-/**
- * Compact, efficient storage for light levels. 
- * all blocks only take up 4 bits in total, 
- * and if a 16x16x16 area is detected to have the same light level in all positions,
- * then we store a single byte for that light level, instead of 2 kilobytes.
- * 
- * @author Builderb0y
-*/
-public class ChunkLightStorage 
-{
-	/** the minimum Y level in the chunk which this storage is storing light levels for (inclusive). */
-	public int minY;
-	/** the maximum Y level in the chunk which this storage is storing light levels for (exclusive). */
-	public int maxY;
-	
-	/** the data stored in this storage, split up into 16x16x16 areas. */
-	public LightSection[] lightSections;
-	
-	/** 
-	 * If the get method is called on a Y position above what's stored
-	 * this value will be returned. <br><br>
-	 * 
-	 * This needs to be manually defined since sky and block lights behave differently
-	 * for values both above and below what's defined.
-	 */
-	public int aboveMaxYValue;
-	/** @see ChunkLightStorage#aboveMaxYValue */
-	public int belowMinYValue;
-	
-	
-	
-	//=============//
-	// constructor //
-	//=============//
-	
-	public ChunkLightStorage(int minY, int maxY, int aboveMaxYValue, int belowMinYValue) 
-	{
-		this.minY = minY;
-		this.maxY = maxY;
-		
-		this.aboveMaxYValue = aboveMaxYValue;
-		this.belowMinYValue = belowMinYValue;
-	}
-	
-	
-	
-	//=====================//
-	// getters and setters //
-	//=====================//
-	
-	public int get(int x, int y, int z)
-	{
-		if (y < this.minY)
-		{
-			return this.belowMinYValue;
-		}
-		else if (y >= this.maxY)
-		{
-			return  this.aboveMaxYValue;
-		}
-		
-		
-		if (this.lightSections != null)
-		{
-			LightSection lightSection = this.lightSections[BitShiftUtil.divideByPowerOfTwo(y - this.minY, 4)];
-			if (lightSection != null)
-			{
-				return lightSection.get(x, y, z);
-			}
-		}
-		
-		return 0;
-	}
-	
-	public void set(int x, int y, int z, int lightLevel)
-	{
-		if (y < this.minY || y >= this.maxY)
-		{
-			return;
-		}
-		
-		//populate array if it doesn't exist.
-		if (this.lightSections == null)
-		{
-			this.lightSections = new LightSection[BitShiftUtil.divideByPowerOfTwo(this.maxY - this.minY, 4)];
-		}
-		
-		int index = (y - this.minY) >> 4;
-		LightSection lightSection = this.lightSections[index];
-		
-		//populate lightSection in array if it doesn't exist.
-		if (lightSection == null)
-		{
-			lightSection = new LightSection(0);
-			this.lightSections[index] = lightSection;
-		}
-		lightSection.set(x, y, z, lightLevel);
-	}
-	
-	
-	
-	//================//
-	// helper classes //
-	//================//
-	
-	public static class LightSection
-	{
-		public byte constantValue;
-		public long[] data;
-		public short[] counts;
-		
-		public LightSection(int initialValue)
-		{
-			this.constantValue = (byte) (initialValue);
-			this.counts = new short[16];
-			this.counts[initialValue] = 16 * 16 * 16;
-		}
-		
-		public int get(int x, int y, int z)
-		{
-			if (this.constantValue >= 0)
-			{
-				return this.constantValue;
-			}
-			
-			x &= 15;
-			y &= 15;
-			z &= 15;
-			long bits = this.data[(z << 4) | x];
-			return ((int) (bits >>> (y << 2))) & 15;
-		}
-		
-		public void set(int x, int y, int z, int lightLevel)
-		{
-			int oldLightLevel = -1;
-			if (this.constantValue >= 0)
-			{
-				oldLightLevel = this.constantValue;
-				
-				//if the light level didn't change, then there's nothing to do.
-				if (oldLightLevel == lightLevel) return;
-				
-				//if we are a constant value and need to change something,
-				//then that means we need to convert to a non-constant value.
-				this.data = DataRecycler.get();
-				
-				//repeat oldLightLevel 16 times as a bit pattern.
-				long payload = oldLightLevel;
-				payload |= payload << 4;
-				payload |= payload << 8;
-				payload |= payload << 16;
-				payload |= payload << 32;
-				
-				//fill our data with our constant value.
-				Arrays.fill(this.data, payload);
-				
-				//we are no longer a constant value.
-				this.constantValue = -1;
-			}
-			
-			x &= 15;
-			y &= 15;
-			z &= 15;
-			int index = (z << 4) | x;
-			long bits = this.data[index];
-			//if we weren't a constant value before, now's the time to initialize oldLightLevel.
-			if (oldLightLevel < 0)
-			{
-				oldLightLevel = ((int) (bits >>> (y << 2))) & 15;
-			}
-			//clear the 4 bits that correspond to the light level at x, y, z...
-			bits &= ~(15L << (y << 2));
-			//...and then re-populate those bits with the new light level.
-			bits |= ((long) (lightLevel)) << (y << 2);
-			//store the updated bits in our data.
-			this.data[index] = bits;
-			
-			//we have one less of the old light level...
-			this.counts[oldLightLevel]--;
-			//...and one more of the new level.
-			//if the number associated with the new level is now 4096 (AKA 16 ^ 3),
-			//then this implies every position in this section has the same light level,
-			//and therefore we can convert back to a constant value.
-			if (++this.counts[lightLevel] == 4096)
-			{
-				this.constantValue = (byte) (lightLevel);
-				DataRecycler.reclaim(this.data);
-				this.data = null;
-			}
-		}
-		
-	}
-	
-	static class DataRecycler
-	{
-		private static final ArrayList<long[]> recycled = new ArrayList<>(256);
-		
-		static synchronized long[] get()
-		{
-			if (recycled.isEmpty())
-			{
-				return new long[256];
-			}
-			else
-			{
-				return recycled.remove(recycled.size() - 1);
-			}
-		}
-		
-		static synchronized void reclaim(long[] data) { if (recycled.size() < 256) recycled.add(data); }
-	}
-	
-}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/chunk/ChunkWrapper.java

@@ -23,15 +23,14 @@ import com.seibel.distanthorizons.common.wrappers.block.BiomeWrapper;
 import com.seibel.distanthorizons.common.wrappers.block.BlockStateWrapper;
 import com.seibel.distanthorizons.common.wrappers.worldGeneration.mimicObject.DhLitWorldGenRegion;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
+import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPos;
 import com.seibel.distanthorizons.core.pos.DhChunkPos;
-import com.seibel.distanthorizons.core.util.LodUtil;
 import com.seibel.distanthorizons.core.wrapperInterfaces.block.IBlockStateWrapper;
+import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.ChunkLightStorage;
 import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.IChunkWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IBiomeWrapper;
 
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.ILevelWrapper;
-import com.seibel.distanthorizons.coreapi.ModInfo;
 import net.minecraft.client.multiplayer.ClientChunkCache;
 import net.minecraft.client.multiplayer.ClientLevel;
 import net.minecraft.core.BlockPos;
@@ -83,9 +82,6 @@ public class ChunkWrapper implements IChunkWrapper
 {
 	private static final Logger LOGGER = DhLoggerBuilder.getLogger();
 	
-	/** useful for debugging, but can slow down chunk operations quite a bit due to being called every time. */
-	private static final boolean RUN_RELATIVE_POS_INDEX_VALIDATION = ModInfo.IS_DEV_BUILD;
-	
 	/** can be used for interactions with the underlying chunk where creating new BlockPos objects could cause issues for the garbage collector. */
 	private static final ThreadLocal<BlockPos.MutableBlockPos> MUTABLE_BLOCK_POS_REF = ThreadLocal.withInitial(() -> new BlockPos.MutableBlockPos());
 	
@@ -109,6 +105,8 @@ public class ChunkWrapper implements IChunkWrapper
 	private int minNonEmptyHeight = Integer.MIN_VALUE;
 	private int maxNonEmptyHeight = Integer.MAX_VALUE;
 	
+	private int blockBiomeHashCode = 0;
+	
 	/**
 	 * Due to vanilla `isClientLightReady()` not being designed for use by a non-render thread, it may return 'true'
 	 * before the light engine has ticked, (right after all light changes is marked by the engine to be processed).
@@ -148,30 +146,34 @@ public class ChunkWrapper implements IChunkWrapper
 	
 	
 	//=========//
-	// methods //
+	// getters //
 	//=========//
 	
 	@Override
-	public int getHeight()
+	public int getHeight() { return getHeight(this.chunk); }
+	public static int getHeight(ChunkAccess chunk)
 	{
 		#if MC_VER < MC_1_17_1
 		return 255;
 		#else
-		return this.chunk.getHeight();
+		return chunk.getHeight();
 		#endif
 	}
 	
 	@Override
-	public int getMinBuildHeight()
+	public int getMinBuildHeight() { return getMinBuildHeight(this.chunk); }
+	public static int getMinBuildHeight(ChunkAccess chunk)
 	{
 		#if MC_VER < MC_1_17_1
 		return 0;
 		#else
-		return this.chunk.getMinBuildHeight();
+		return chunk.getMinBuildHeight();
 		#endif
 	}
+	
 	@Override
-	public int getMaxBuildHeight() { return this.chunk.getMaxBuildHeight(); }
+	public int getMaxBuildHeight() { return getMaxBuildHeight(this.chunk); }
+	public static int getMaxBuildHeight(ChunkAccess chunk) { return chunk.getMaxBuildHeight(); }
 	
 	@Override
 	public int getMinNonEmptyHeight()
@@ -221,6 +223,9 @@ public class ChunkWrapper implements IChunkWrapper
 		LevelChunkSection[] sections = this.chunk.getSections();
 		for (int index = sections.length-1; index >= 0; index--)
 		{
+			// update at each position to fix using the max height if the chunk is empty
+			this.maxNonEmptyHeight = this.getChunkSectionMinHeight(index) + 16;
+			
 			if (sections[index] == null)
 			{
 				continue;
@@ -228,7 +233,7 @@ public class ChunkWrapper implements IChunkWrapper
 			
 			if (!isChunkSectionEmpty(sections[index]))
 			{
-				this.maxNonEmptyHeight = this.getChunkSectionMinHeight(index) + 16;
+				// non-empty section found
 				break;
 			}
 		}
@@ -245,15 +250,7 @@ public class ChunkWrapper implements IChunkWrapper
 		return section.hasOnlyAir();
 		#endif
 	}
-	private int getChunkSectionMinHeight(int index)
-	{
-		// convert from an index to a block coordinate
-		#if MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1
-		return this.chunk.getSections()[index].bottomBlockY();
-		#else
-		return this.chunk.getSectionYFromSectionIndex(index) * 16;
-		#endif
-	}
+	private int getChunkSectionMinHeight(int index) { return (index * 16) + this.getMinBuildHeight(); }
 	
 	
 	@Override
@@ -263,7 +260,6 @@ public class ChunkWrapper implements IChunkWrapper
 	public int getLightBlockingHeightMapValue(int xRel, int zRel) { return this.chunk.getOrCreateHeightmapUnprimed(Heightmap.Types.MOTION_BLOCKING).getFirstAvailable(xRel, zRel); }
 	
 	
-	
 	@Override
 	public IBiomeWrapper getBiome(int relX, int relY, int relZ)
 	{
@@ -287,11 +283,35 @@ public class ChunkWrapper implements IChunkWrapper
 		#endif
 	}
 	
+	@Override
+	public IBlockStateWrapper getBlockState(int relX, int relY, int relZ)
+	{
+		this.throwIndexOutOfBoundsIfRelativePosOutsideChunkBounds(relX, relY, relZ);
+		
+		BlockPos.MutableBlockPos blockPos = MUTABLE_BLOCK_POS_REF.get();
+		
+		blockPos.setX(relX);
+		blockPos.setY(relY);
+		blockPos.setZ(relZ);
+		
+		return BlockStateWrapper.fromBlockState(this.chunk.getBlockState(blockPos), this.wrappedLevel);
+	}
+	
 	@Override
 	public DhChunkPos getChunkPos() { return this.chunkPos; }
 	
 	public ChunkAccess getChunk() { return this.chunk; }
 	
+	public ChunkStatus getStatus() { return getStatus(this.getChunk()); }
+	public static ChunkStatus getStatus(ChunkAccess chunk)
+	{
+		#if MC_VER < MC_1_21_1 
+		return chunk.getStatus();
+		#else
+		return chunk.getPersistedStatus(); 
+		#endif
+	}
+	
 	@Override
 	public int getMaxBlockX() { return this.chunk.getPos().getMaxBlockX(); }
 	@Override
@@ -301,8 +321,11 @@ public class ChunkWrapper implements IChunkWrapper
 	@Override
 	public int getMinBlockZ() { return this.chunk.getPos().getMinBlockZ(); }
 	
-	@Override
-	public long getLongChunkPos() { return this.chunk.getPos().toLong(); }
+	
+	
+	//==========//
+	// lighting //
+	//==========//
 	
 	@Override
 	public void setIsDhLightCorrect(boolean isDhLightCorrect) { this.isDhLightCorrect = isDhLightCorrect; }
@@ -310,8 +333,6 @@ public class ChunkWrapper implements IChunkWrapper
 	@Override
 	public void setUseDhLighting(boolean useDhLighting) { this.useDhLighting = useDhLighting; }
 	
-	
-	
 	@Override
 	public boolean isLightCorrect()
 	{
@@ -364,13 +385,13 @@ public class ChunkWrapper implements IChunkWrapper
 	{
 		if (this.blockLightStorage == null)
 		{
-			this.blockLightStorage = new ChunkLightStorage(
-					this.getMinBuildHeight(), this.getMaxBuildHeight(), 
-					// positions above and below the handled area should be unlit
-					LodUtil.MIN_MC_LIGHT, LodUtil.MIN_MC_LIGHT);
+			this.blockLightStorage = ChunkLightStorage.createBlockLightStorage(this);
 		}
 		return this.blockLightStorage;
 	}
+	public void setBlockLightStorage(ChunkLightStorage lightStorage) { this.blockLightStorage = lightStorage; }
+	@Override
+	public void clearDhBlockLighting() { this.getBlockLightStorage().clear(); }
 	
 	
 	@Override
@@ -385,18 +406,18 @@ public class ChunkWrapper implements IChunkWrapper
 		this.throwIndexOutOfBoundsIfRelativePosOutsideChunkBounds(relX, y, relZ);
 		this.getSkyLightStorage().set(relX, y, relZ, lightValue);
 	}
+	@Override
+	public void clearDhSkyLighting() { this.getSkyLightStorage().clear(); }
 	
 	private ChunkLightStorage getSkyLightStorage()
 	{
 		if (this.skyLightStorage == null)
 		{
-			this.skyLightStorage = new ChunkLightStorage(
-					this.getMinBuildHeight(), this.getMaxBuildHeight(),
-					// positions above should be lit but positions below should be unlit
-					LodUtil.MAX_MC_LIGHT, LodUtil.MIN_MC_LIGHT);
+			this.skyLightStorage = ChunkLightStorage.createSkyLightStorage(this);
 		}
 		return this.skyLightStorage;
 	}
+	public void setSkyLightStorage(ChunkLightStorage lightStorage) { this.skyLightStorage = lightStorage; }
 	
 	
 	@Override
@@ -442,7 +463,7 @@ public class ChunkWrapper implements IChunkWrapper
 	 *  before the list has finished populating.
 	 */
 	@Override
-	public synchronized ArrayList<DhBlockPos> getBlockLightPosList()
+	public synchronized ArrayList<DhBlockPos> getWorldBlockLightPosList()
 	{
 		// only populate the list once
 		if (this.blockLightPosList == null)
@@ -458,7 +479,13 @@ public class ChunkWrapper implements IChunkWrapper
 			#else
 			this.chunk.findBlockLightSources((blockPos, blockState) ->
 			{
-				this.blockLightPosList.add(new DhBlockPos(blockPos.getX(), blockPos.getY(), blockPos.getZ()));
+				DhBlockPos pos = new DhBlockPos(blockPos.getX(), blockPos.getY(), blockPos.getZ());
+				
+				// this can be uncommented if MC decides to return relative block positions in the future instead of world positions
+				//pos.mutateToChunkRelativePos(pos);
+				//pos.mutateOffset(this.chunkPos.getMinBlockX(), 0, this.chunkPos.getMinBlockZ(), pos);
+				
+				this.blockLightPosList.add(pos);
 			});
 			#endif
 		}
@@ -466,55 +493,6 @@ public class ChunkWrapper implements IChunkWrapper
 		return this.blockLightPosList;
 	}
 	
-	@Override
-	public boolean doNearbyChunksExist()
-	{
-		if (this.lightSource instanceof DhLitWorldGenRegion)
-		{
-			return true;
-		}
-		
-		for (int dx = -1; dx <= 1; dx++)
-		{
-			for (int dz = -1; dz <= 1; dz++)
-			{
-				if (dx == 0 && dz == 0)
-				{
-					continue;
-				}
-				else if (this.lightSource.getChunk(dx + this.chunk.getPos().x, dz + this.chunk.getPos().z, ChunkStatus.BIOMES, false) == null)
-				{
-					return false;
-				}
-			}
-		}
-		
-		return true;
-	}
-	
-	public LevelReader getColorResolver() { return this.lightSource; }
-	
-	@Override
-	public String toString() { return this.chunk.getClass().getSimpleName() + this.chunk.getPos(); }
-	
-	@Override
-	public IBlockStateWrapper getBlockState(int relX, int relY, int relZ)
-	{
-		this.throwIndexOutOfBoundsIfRelativePosOutsideChunkBounds(relX, relY, relZ);
-		
-		BlockPos.MutableBlockPos blockPos = MUTABLE_BLOCK_POS_REF.get();
-		
-		blockPos.setX(relX);
-		blockPos.setY(relY);
-		blockPos.setZ(relZ);
-		
-		return BlockStateWrapper.fromBlockState(this.chunk.getBlockState(blockPos), this.wrappedLevel);
-	}
-	
-	@Override
-	public boolean isStillValid() { return this.wrappedLevel.tryGetChunk(this.chunkPos) == this; }
-	
-	
 	public static void syncedUpdateClientLightStatus()
 	{
 		#if MC_VER < MC_1_18_2
@@ -574,64 +552,57 @@ public class ChunkWrapper implements IChunkWrapper
 	
 	
 	
-	//================//
-	// helper methods //
-	//================//
+	//===============//
+	// other methods //
+	//===============//
 	
-	/** used to prevent accidentally attempting to get/set values outside this chunk's boundaries */
-	private void throwIndexOutOfBoundsIfRelativePosOutsideChunkBounds(int x, int y, int z) throws IndexOutOfBoundsException
+	@Override
+	public boolean doNearbyChunksExist()
 	{
-		if (!RUN_RELATIVE_POS_INDEX_VALIDATION)
+		if (this.lightSource instanceof DhLitWorldGenRegion)
 		{
-			return;
+			return true;
 		}
 		
-		
-		// FIXME +1 is to handle the fact that LodDataBuilder adds +1 to all block lighting calculations, also done in the constructor
-		int minHeight = this.getMinBuildHeight();
-		int maxHeight = this.getMaxBuildHeight() + 1;
-		
-		if (x < 0 || x >= LodUtil.CHUNK_WIDTH
-				|| z < 0 || z >= LodUtil.CHUNK_WIDTH
-				|| y < minHeight || y > maxHeight)
+		for (int dx = -1; dx <= 1; dx++)
 		{
-			String errorMessage = "Relative position [" + x + "," + y + "," + z + "] out of bounds. \n" +
-					"X/Z must be between 0 and 15 (inclusive) \n" +
-					"Y must be between [" + minHeight + "] and [" + maxHeight + "] (inclusive).";
-			throw new IndexOutOfBoundsException(errorMessage);
+			for (int dz = -1; dz <= 1; dz++)
+			{
+				if (dx == 0 && dz == 0)
+				{
+					continue;
+				}
+				else if (this.lightSource.getChunk(dx + this.chunk.getPos().x, dz + this.chunk.getPos().z, ChunkStatus.BIOMES, false) == null)
+				{
+					return false;
+				}
+			}
 		}
-	}
-	
-	
-	/**
-	 * Converts a 3D position into a 1D array index. <br><br>
-	 *
-	 * Source: <br>
-	 * <a href="https://stackoverflow.com/questions/7367770/how-to-flatten-or-index-3d-array-in-1d-array">stackoverflow</a>
-	 */
-	public int relativeBlockPosToIndex(int xRel, int y, int zRel)
-	{
-		int yRel = y - this.getMinBuildHeight();
-		return (zRel * LodUtil.CHUNK_WIDTH * this.getHeight()) + (yRel * LodUtil.CHUNK_WIDTH) + xRel;
-	}
-	
-	/**
-	 * Converts a 3D position into a 1D array index. <br><br>
-	 *
-	 * Source: <br>
-	 * <a href="https://stackoverflow.com/questions/7367770/how-to-flatten-or-index-3d-array-in-1d-array">stackoverflow</a>
-	 */
-	public DhBlockPos indexToRelativeBlockPos(int index)
-	{
-		final int zRel = index / (LodUtil.CHUNK_WIDTH * this.getHeight());
-		index -= (zRel * LodUtil.CHUNK_WIDTH * this.getHeight());
 		
-		final int y = index / LodUtil.CHUNK_WIDTH;
-		final int yRel = y + this.getMinBuildHeight();
-		
-		final int xRel = index % LodUtil.CHUNK_WIDTH;
-		return new DhBlockPos(xRel, yRel, zRel);
+		return true;
 	}
 	
+	@Override
+	public boolean isStillValid() { return this.wrappedLevel.tryGetChunk(this.chunkPos) == this; }
+	
+	
+	
+	//================//
+	// base overrides //
+	//================//
+	
+	@Override
+	public String toString() { return this.chunk.getClass().getSimpleName() + this.chunk.getPos(); }
+	
+	//@Override 
+	//public int hashCode()
+	//{
+	//	if (this.blockBiomeHashCode == 0)
+	//	{
+	//		this.blockBiomeHashCode = this.getBlockBiomeHashCode();
+	//	}
+	//	
+	//	return this.blockBiomeHashCode;
+	//}
 	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/gui/ClassicConfigGUI.java

@@ -158,19 +158,22 @@ public class ClassicConfigGUI
 //            button.active = entries.stream().allMatch(e -> e.inLimits);
 			
 			
-			if (((ConfigEntry) info).isValid(value) == 0 && info.getType() != List.class)
+			if (info.getType() == String.class
+				|| info.getType() == List.class)
+			{
+				((ConfigEntry) info).uiSetWithoutSaving(stringValue);
+			}
+			else if (((ConfigEntry) info).isValid(value) == 0)
 			{
 				if (!cast)
+				{
 					((ConfigEntry) info).uiSetWithoutSaving(value);
+				}
 				else
+				{
 					((ConfigEntry) info).uiSetWithoutSaving(value.intValue());
+				}
 			}
-//            else if (((ConfigEntry) info).isValidMemoryAddress() == 0)
-//            {
-//                if (((List<String>) info.get()).size() == ((EntryInfo) info.guiValue).index)
-//                    info.uiSet(((List<String>) info.get()).add(""));
-//                info.uiSet(((List<String>) info.get()).set(((EntryInfo) info.guiValue).index, Arrays.stream(((EntryInfo) info.guiValue).tempValue.replace("[", "").replace("]", "").split(", ")).collect(Collectors.toList()).get(0)));
-//            }
 			
 			return true;
 		};
@@ -245,7 +248,7 @@ public class ClassicConfigGUI
 			}
 			
 			// Changelog button
-			if (Config.Client.Advanced.AutoUpdater.enableAutoUpdater.get() && Config.Client.Advanced.AutoUpdater.updateBranch.get() == EDhApiUpdateBranch.STABLE)
+			if (Config.Client.Advanced.AutoUpdater.enableAutoUpdater.get() && !ModInfo.IS_DEV_BUILD) // we only have changelogs for stable builds
 			{
 				this.addBtn(new TexturedButtonWidget(
 						// Where the button is on the screen
@@ -255,7 +258,13 @@ public class ClassicConfigGUI
 						// texture UV Offset
 						0, 0,
 						// Some textuary stuff
-						0, new ResourceLocation(ModInfo.ID, "textures/gui/changelog.png"), 20, 20,
+						0, 
+						#if MC_VER < MC_1_21_1
+						new ResourceLocation(ModInfo.ID, "textures/gui/changelog.png"),
+						#else
+						ResourceLocation.fromNamespaceAndPath(ModInfo.ID, "textures/gui/changelog.png"),
+						#endif
+						20, 20,
 						// Create the button and tell it where to go
 						(buttonWidget) -> {
 							ChangelogScreen changelogScreen = new ChangelogScreen(this);
@@ -437,7 +446,9 @@ public class ClassicConfigGUI
 						String key = translationPrefix + (newInfo.category.isEmpty() ? "" : newInfo.category + ".") + newInfo.getName() + ".@tooltip";
 						
 						if (((EntryInfo) newInfo.guiValue).error != null && text.equals(name))
+						{
 							DhRenderTooltip(matrices, font, ((EntryInfo) newInfo.guiValue).error.getValue(), mouseX, mouseY);
+						}
 						else if (I18n.exists(key) && (text != null && text.equals(name)))
 						{
 							List<Component> list = new ArrayList<>();

common/src/main/java/com/seibel/distanthorizons/common/wrappers/gui/updater/ChangelogScreen.java

@@ -101,11 +101,17 @@ public class ChangelogScreen extends DhScreen
 		this.changelog.add("");
 		this.changelog.add("");
 		
+		String changelog = ModrinthGetter.changeLogs.get(versionID);
+		if (changelog == null)
+		{
+			// in case something goes wrong this will prevent null pointers
+			changelog = "";
+		}
+		
 		// Get the release changelog and split it by the new lines
 		String[] unwrappedChangelog = // Arrays.asList could be used if a list object is desired here vs List.of which is only available for Java 9+
-				new MarkdownFormatter.MinecraftFormat().convertTo( // This formats markdown to minecraft's "§" characters
-						ModrinthGetter.changeLogs.get(versionID)
-				).split("\\n");
+				// This formats markdown to minecraft's "§" charactersnew MarkdownFormatter.MinecraftFormat().convertTo(
+				new MarkdownFormatter.MinecraftFormat().convertTo(changelog).split("\\n");
 		// Makes the words wrap around to not go off the screen
 		for (String str : unwrappedChangelog)
 		{
@@ -168,10 +174,9 @@ public class ChangelogScreen extends DhScreen
 		#endif
 		
 		
-		this.changelogArea.render(matrices, mouseX, mouseY, delta); // Render the changelog
-		
+		// render order matters, otherwise on 1.20.6+ the blurred background will render on top of the text
 		super.render(matrices, mouseX, mouseY, delta); // Render the buttons
-		
+		this.changelogArea.render(matrices, mouseX, mouseY, delta); // Render the changelog
 		DhDrawCenteredString(matrices, font, title, width / 2, 15, 0xFFFFFF); // Render title
 	}
 	

common/src/main/java/com/seibel/distanthorizons/common/wrappers/gui/updater/UpdateModScreen.java

@@ -41,16 +41,18 @@ public class UpdateModScreen extends DhScreen
 		super(Translatable(ModInfo.ID + ".updater.title"));
 		this.parent = parent;
 		this.newVersionID = newVersionID;
-
-        switch (Config.Client.Advanced.AutoUpdater.updateBranch.get()) {
-	        case STABLE:
-                currentVer = ModInfo.VERSION;
-                nextVer = ModrinthGetter.releaseNames.get(this.newVersionID);
-				break;
-	        case NIGHTLY:
-                currentVer = ModJarInfo.Git_Commit.substring(0,7);
-                nextVer = this.newVersionID.substring(0,7);
-				break;
+		
+		
+		EDhApiUpdateBranch updateBranch = EDhApiUpdateBranch.convertAutoToStableOrNightly(Config.Client.Advanced.AutoUpdater.updateBranch.get());
+		if (updateBranch == EDhApiUpdateBranch.STABLE)
+        {
+	        this.currentVer = ModInfo.VERSION;
+	        this.nextVer = ModrinthGetter.releaseNames.get(this.newVersionID);
+        }
+	    else
+        {
+	        this.currentVer = ModJarInfo.Git_Commit.substring(0,7);
+	        this.nextVer = this.newVersionID.substring(0,7);
         }
 	}
 	
@@ -73,7 +75,13 @@ public class UpdateModScreen extends DhScreen
 					// Offset
 					0, 0,
 					// Some textuary stuff
-					0, new ResourceLocation(ModInfo.ID, "logo.png"), 130, 65,
+					0, 
+					#if MC_VER < MC_1_21_1
+					new ResourceLocation(ModInfo.ID, "logo.png"),
+					#else
+					ResourceLocation.fromNamespaceAndPath(ModInfo.ID, "logo.png"),
+					#endif
+					130, 65,
 					// Create the button and tell it where to go
 					// For now it goes to the client option by default
 					(buttonWidget) -> System.out.println("Nice, you found an easter egg :)"), // TODO: Add a proper easter egg to pressing the logo (maybe with confetti)
@@ -88,7 +96,7 @@ public class UpdateModScreen extends DhScreen
 			e.printStackTrace();
 		}
 		
-		if (Config.Client.Advanced.AutoUpdater.updateBranch.get() == EDhApiUpdateBranch.STABLE)
+		if (!ModInfo.IS_DEV_BUILD)
 		{
 			this.addBtn(new TexturedButtonWidget(
 					// Where the button is on the screen
@@ -98,7 +106,13 @@ public class UpdateModScreen extends DhScreen
 					// Offset
 					0, 0,
 					// Some textuary stuff
-					0, new ResourceLocation(ModInfo.ID, "textures/gui/changelog.png"), 20, 20,
+					0, 
+					#if MC_VER < MC_1_21_1
+					new ResourceLocation(ModInfo.ID, "textures/gui/changelog.png"),
+					#else
+					ResourceLocation.fromNamespaceAndPath(ModInfo.ID, "textures/gui/changelog.png"),
+					#endif
+					20, 20,
 					// Create the button and tell it where to go
 					(buttonWidget) -> Objects.requireNonNull(minecraft).setScreen(new ChangelogScreen(this, this.newVersionID)), // TODO: Add a proper easter egg to pressing the logo (maybe with confetti)
 					// Add a title to the button

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/MinecraftClientWrapper.java

@@ -31,6 +31,7 @@ import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
 import com.seibel.distanthorizons.common.wrappers.world.ServerLevelWrapper;
 import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.enums.EDhDirection;
+import com.seibel.distanthorizons.core.file.structure.ClientOnlySaveStructure;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
 import com.seibel.distanthorizons.coreapi.ModInfo;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
@@ -38,13 +39,13 @@ import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftCli
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftSharedWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IProfilerWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.ILevelWrapper;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
+import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPos;
 import com.seibel.distanthorizons.core.pos.DhChunkPos;
 
 import net.minecraft.CrashReport;
 import net.minecraft.client.Minecraft;
+import net.minecraft.client.multiplayer.ServerData;
 import net.minecraft.client.player.LocalPlayer;
-import net.minecraft.client.resources.model.ModelManager;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Direction;
 #if MC_VER < MC_1_19_2
@@ -59,16 +60,15 @@ import org.jetbrains.annotations.Nullable;
  * A singleton that wraps the Minecraft object.
  *
  * @author James Seibel
- * @version 3-5-2022
  */
-//@Environment(EnvType.CLIENT)
 public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecraftSharedWrapper
 {
 	private static final Logger LOGGER = DhLoggerBuilder.getLogger(MethodHandles.lookup().lookupClass().getSimpleName());
+	private static final Minecraft MINECRAFT = Minecraft.getInstance();
 	
 	public static final MinecraftClientWrapper INSTANCE = new MinecraftClientWrapper();
 	
-	public final Minecraft mc = Minecraft.getInstance();
+	
 	
 	/**
 	 * The lightmap for the current:
@@ -99,10 +99,7 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 	 * This doesn't affect OpenGL objects in any way.
 	 */
 	@Override
-	public void clearFrameObjectCache()
-	{
-		lightMap = null;
-	}
+	public void clearFrameObjectCache() { this.lightMap = null; }
 	
 	
 	
@@ -118,10 +115,10 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 		{
 			default:
 			case AUTO:
-				if (this.mc.level != null)
+				if (MINECRAFT.level != null)
 				{
 					Direction mcDir = McObjectConverter.Convert(lodDirection);
-					return this.mc.level.getShade(mcDir, true);
+					return MINECRAFT.level.getShade(mcDir, true);
 				}
 				else
 				{
@@ -150,47 +147,63 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 	}
 	
 	@Override
-	public boolean hasSinglePlayerServer() { return mc.hasSingleplayerServer(); }
+	public boolean hasSinglePlayerServer() { return MINECRAFT.hasSingleplayerServer(); }
 	@Override
-	public boolean clientConnectedToDedicatedServer() { return mc.getCurrentServer() != null && !this.hasSinglePlayerServer(); }
+	public boolean clientConnectedToDedicatedServer() { return MINECRAFT.getCurrentServer() != null && !this.hasSinglePlayerServer(); }
+	@Override
+	public boolean connectedToReplay() { return !MINECRAFT.hasSingleplayerServer() && MINECRAFT.getCurrentServer() == null; }
 	
 	@Override
-	public String getCurrentServerName() { return mc.getCurrentServer().name; }
+	public String getCurrentServerName() 
+	{
+		if (this.connectedToReplay())
+		{
+			return ClientOnlySaveStructure.REPLAY_SERVER_FOLDER_NAME;
+		}
+		else
+		{
+			ServerData server = MINECRAFT.getCurrentServer();
+			return (server != null) ? server.name : "NULL";
+		}
+	}
 	
 	@Override
-	public String getCurrentServerIp() { return mc.getCurrentServer().ip; }
+	public String getCurrentServerIp() 
+	{
+		if (this.connectedToReplay())
+		{
+			return "";
+		}
+		else
+		{
+			ServerData server = MINECRAFT.getCurrentServer();
+			return (server != null) ? server.ip : "NA";
+		}
+	}
 	
 	@Override
 	public String getCurrentServerVersion()
 	{
-		return mc.getCurrentServer().version.getString();
+		ServerData server = MINECRAFT.getCurrentServer();
+		return (server != null) ? server.version.getString() : "UNKOWN";
 	}
 	
 	//=============//
 	// Simple gets //
 	//=============//
 	
-	public LocalPlayer getPlayer()
-	{
-		return mc.player;
-	}
+	public LocalPlayer getPlayer() { return MINECRAFT.player; }
 	
 	@Override
-	public boolean playerExists()
-	{
-		return mc.player != null;
-	}
+	public boolean playerExists() { return MINECRAFT.player != null; }
 	
 	@Override
-	public UUID getPlayerUUID()
-	{
-		return getPlayer().getUUID();
-	}
+	public UUID getPlayerUUID() { return this.getPlayer().getUUID(); }
 	
 	@Override
 	public DhBlockPos getPlayerBlockPos()
 	{
-		BlockPos playerPos = getPlayer().blockPosition();
+		BlockPos playerPos = this.getPlayer().blockPosition();
 		return new DhBlockPos(playerPos.getX(), playerPos.getY(), playerPos.getZ());
 	}
 	
@@ -198,46 +211,38 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 	public DhChunkPos getPlayerChunkPos()
 	{
         #if MC_VER < MC_1_17_1
-        ChunkPos playerPos = new ChunkPos(getPlayer().blockPosition());
+        ChunkPos playerPos = new ChunkPos(this.getPlayer().blockPosition());
         #else
-		ChunkPos playerPos = getPlayer().chunkPosition();
+		ChunkPos playerPos = this.getPlayer().chunkPosition();
         #endif
 		return new DhChunkPos(playerPos.x, playerPos.z);
 	}
 	
-	public ModelManager getModelManager()
-	{
-		return mc.getModelManager();
-	}
-	
 	@Nullable
 	@Override
 	public IClientLevelWrapper getWrappedClientLevel()
 	{
-		if (this.mc.level == null)
+		if (MINECRAFT.level == null)
 		{
 			return null;
 		}
 		
-		return ClientLevelWrapper.getWrapperIgnoringOverride(this.mc.level);
-	}
-	
-	/** Please move over to getInstallationDirectory() */
-	@Deprecated
-	@Override
-	public File getGameDirectory()
-	{
-		return getInstallationDirectory();
+		return ClientLevelWrapper.getWrapperIgnoringOverride(MINECRAFT.level);
 	}
 	
 	@Override
 	public IProfilerWrapper getProfiler()
 	{
-		if (profilerWrapper == null)
-			profilerWrapper = new ProfilerWrapper(mc.getProfiler());
-		else if (mc.getProfiler() != profilerWrapper.profiler)
-			profilerWrapper.profiler = mc.getProfiler();
-		return profilerWrapper;
+		if (this.profilerWrapper == null)
+		{
+			this.profilerWrapper = new ProfilerWrapper(MINECRAFT.getProfiler());
+		}
+		else if (MINECRAFT.getProfiler() != this.profilerWrapper.profiler)
+		{
+			this.profilerWrapper.profiler = MINECRAFT.getProfiler();
+		}
+		
+		return this.profilerWrapper;
 	}
 	
 	/** Returns all worlds available to the server */
@@ -246,7 +251,7 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 	{
 		ArrayList<ILevelWrapper> worlds = new ArrayList<ILevelWrapper>();
 		
-		Iterable<ServerLevel> serverWorlds = mc.getSingleplayerServer().getAllLevels();
+		Iterable<ServerLevel> serverWorlds = MINECRAFT.getSingleplayerServer().getAllLevels();
 		for (ServerLevel world : serverWorlds)
 		{
 			worlds.add(ServerLevelWrapper.getWrapper(world));
@@ -260,12 +265,12 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 	@Override
 	public void sendChatMessage(String string)
 	{
-		LocalPlayer p = getPlayer();
-		if (p == null) return;
+		LocalPlayer player = this.getPlayer();
+		if (player == null) return;
         #if MC_VER < MC_1_19_2
-		p.sendMessage(new TextComponent(string), getPlayer().getUUID());
+		player.sendMessage(new TextComponent(string), getPlayer().getUUID());
         #else
-		p.sendSystemMessage(net.minecraft.network.chat.Component.translatable(string));
+		player.sendSystemMessage(net.minecraft.network.chat.Component.translatable(string));
         #endif
 	}
 	
@@ -290,24 +295,15 @@ public class MinecraftClientWrapper implements IMinecraftClientWrapper, IMinecra
 	}
 	
 	@Override
-	public Object getOptionsObject()
-	{
-		return mc.options;
-	}
+	public Object getOptionsObject() { return MINECRAFT.options; }
 	
 	@Override
-	public boolean isDedicatedServer()
-	{
-		return false;
-	}
+	public boolean isDedicatedServer() { return false; }
 	
 	@Override
-	public File getInstallationDirectory()
-	{
-		return mc.gameDirectory;
-	}
+	public File getInstallationDirectory() { return MINECRAFT.gameDirectory; }
 	
 	@Override
-	public void executeOnRenderThread(Runnable runnable) { this.mc.execute(runnable); }
+	public void executeOnRenderThread(Runnable runnable) { MINECRAFT.execute(runnable); }
 	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/MinecraftDedicatedServerWrapper.java

@@ -12,16 +12,20 @@ public class MinecraftDedicatedServerWrapper implements IMinecraftSharedWrapper
 	private MinecraftDedicatedServerWrapper() { }
 	public DedicatedServer dedicatedServer = null;
 	@Override
-	public boolean isDedicatedServer()
-	{
-		return true;
-	}
+	public boolean isDedicatedServer() { return true; }
 	@Override
 	public File getInstallationDirectory()
 	{
-		if (dedicatedServer == null)
+		if (this.dedicatedServer == null)
+		{
 			throw new IllegalStateException("Trying to get Installation Direction before Dedicated server complete initialization!");
-		return dedicatedServer.getServerDirectory();
+		}
+		
+		#if MC_VER < MC_1_21_1
+		return this.dedicatedServer.getServerDirectory();
+		#else
+		return this.dedicatedServer.getServerDirectory().toFile();
+		#endif
 	}
 	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/MinecraftRenderWrapper.java

@@ -21,31 +21,26 @@ package com.seibel.distanthorizons.common.wrappers.minecraft;
 
 import java.awt.Color;
 import java.lang.invoke.MethodHandles;
-import java.nio.FloatBuffer;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.HashSet;
 import java.util.concurrent.ConcurrentHashMap;
-import java.util.stream.Collectors;
 
 import com.mojang.blaze3d.pipeline.RenderTarget;
 import com.mojang.blaze3d.platform.NativeImage;
-import com.mojang.blaze3d.systems.RenderSystem;
-import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
 import com.seibel.distanthorizons.common.wrappers.WrapperFactory;
 import com.seibel.distanthorizons.common.wrappers.misc.LightMapWrapper;
-import com.seibel.distanthorizons.core.pos.DhChunkPos;
 import com.seibel.distanthorizons.core.dependencyInjection.ModAccessorInjector;
 
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
-import com.seibel.distanthorizons.core.render.DhApiRenderProxy;
 import com.seibel.distanthorizons.core.wrapperInterfaces.misc.ILightMapWrapper;
 
+#if MC_VER >= MC_1_17_1
+import net.minecraft.client.renderer.FogRenderer;
+import com.mojang.blaze3d.systems.RenderSystem;
+#endif
+
 #if MC_VER < MC_1_19_4
-import org.joml.Vector3f;
-#else
 import org.joml.Matrix4f;
 import org.joml.Vector3f;
+#else
 #endif
 #if MC_VER >= MC_1_20_2
 import net.minecraft.client.renderer.chunk.SectionRenderDispatcher;
@@ -55,20 +50,14 @@ import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.AbstractOpt
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IDimensionTypeWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.ILevelWrapper;
-import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
-import com.seibel.distanthorizons.coreapi.util.math.Vec3d;
-import com.seibel.distanthorizons.coreapi.util.math.Vec3f;
+import com.seibel.distanthorizons.core.util.math.Vec3d;
+import com.seibel.distanthorizons.core.util.math.Vec3f;
 import com.seibel.distanthorizons.core.wrapperInterfaces.IWrapperFactory;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftRenderWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IOptifineAccessor;
-import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.ISodiumAccessor;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
 
 import net.minecraft.client.Camera;
 import net.minecraft.client.Minecraft;
-import net.minecraft.client.renderer.FogRenderer;
-import net.minecraft.client.renderer.LevelRenderer;
-import net.minecraft.core.BlockPos;
 import net.minecraft.world.effect.MobEffects;
 #if MC_VER < MC_1_17_1
 import net.minecraft.tags.FluidTags;
@@ -78,10 +67,8 @@ import org.lwjgl.opengl.GL15;
 #else
 import net.minecraft.world.level.material.FogType;
 #endif
-import net.minecraft.world.phys.AABB;
 import net.minecraft.world.phys.Vec3;
 import org.apache.logging.log4j.Logger;
-import org.joml.Matrix4f;
 
 
 /**
@@ -123,14 +110,6 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 		return new Vec3f(camera.getLookVector().x(), camera.getLookVector().y(), camera.getLookVector().z());
 	}
 	
-	@Override
-	public DhBlockPos getCameraBlockPosition()
-	{
-		Camera camera = MC.gameRenderer.getMainCamera();
-		BlockPos blockPos = camera.getBlockPosition();
-		return new DhBlockPos(blockPos.getX(), blockPos.getY(), blockPos.getZ());
-	}
-	
 	@Override
 	/** Unless you really need to know if the player is blind, use {@link MinecraftRenderWrapper#isFogStateSpecial()}/{@link IMinecraftRenderWrapper#isFogStateSpecial()} instead */
 	public boolean playerHasBlindingEffect()
@@ -151,43 +130,6 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 		return new Vec3d(projectedView.x, projectedView.y, projectedView.z);
 	}
 	
-	@Override
-	public Mat4f getWorldViewMatrix()
-	{
-		Camera camera = MC.gameRenderer.getMainCamera();
-		Vector3f cameraVec3 = new Vector3f(
-				(float)camera.getPosition().x,
-				(float)camera.getPosition().y,
-				(float)camera.getPosition().z);
-		cameraVec3 = cameraVec3.negate();
-		
-		Matrix4f matWorldView = new Matrix4f()
-				.rotateX((float)Math.toRadians(camera.getXRot()))
-				.rotateY((float)Math.toRadians(camera.getYRot() + 180f))
-				.translate(cameraVec3);
-		return new Mat4f(matWorldView);
-	}
-	
-	@Override
-	public Mat4f getDefaultProjectionMatrix(float partialTicks)
-	{
-		#if MC_VER < MC_1_17_1
-		return McObjectConverter.Convert(Minecraft.getInstance().gameRenderer.getProjectionMatrix(Minecraft.getInstance().gameRenderer.getMainCamera(), partialTicks, true));
-		#else
-		return McObjectConverter.Convert(MC.gameRenderer.getProjectionMatrix(MC.gameRenderer.getFov(MC.gameRenderer.getMainCamera(), partialTicks, true)));
-		#endif
-	}
-	
-	@Override
-	public double getGamma()
-	{
-		#if MC_VER < MC_1_19_2
-		return MC.options.gamma;
-		#else
-		return MC.options.gamma().get();
-		#endif
-	}
-	
 	@Override
 	public Color getFogColor(float partialTicks)
 	{
@@ -212,15 +154,24 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 	{
 		if (MC.level.dimensionType().hasSkyLight())
 		{
-			#if MC_VER < MC_1_17_1
-			Vec3 colorValues = MC.level.getSkyColor(MC.gameRenderer.getMainCamera().getBlockPosition(), MC.getFrameTime());
+			float frameTime;
+			#if MC_VER < MC_1_21_1
+			frameTime = MC.getFrameTime();
 			#else
-			Vec3 colorValues = MC.level.getSkyColor(MC.gameRenderer.getMainCamera().getPosition(), MC.getFrameTime());
+			frameTime = MC.getTimer().getRealtimeDeltaTicks();
+			#endif
+			
+			#if MC_VER < MC_1_17_1
+			Vec3 colorValues = MC.level.getSkyColor(MC.gameRenderer.getMainCamera().getBlockPosition(), frameTime);
+			#else
+			Vec3 colorValues = MC.level.getSkyColor(MC.gameRenderer.getMainCamera().getPosition(), frameTime);
 			#endif
 			return new Color((float) colorValues.x, (float) colorValues.y, (float) colorValues.z);
 		}
 		else
+		{
 			return new Color(0, 0, 0);
+		}
 	}
 	
 	@Override
@@ -308,77 +259,6 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 		return getRenderTarget().viewHeight;
 	}
 	
-	/**
-	 * This method returns the ChunkPos of all chunks that Minecraft
-	 * is going to render this frame. <br><br>
-	 * <p>
-	 */
-	
-	public boolean usingBackupGetVanillaRenderedChunks = false;
-	@Override
-	public HashSet<DhChunkPos> getVanillaRenderedChunks()
-	{
-		ISodiumAccessor sodium = ModAccessorInjector.INSTANCE.get(ISodiumAccessor.class);
-		if (sodium != null)
-		{
-			return sodium.getNormalRenderedChunks();
-		}
-		IOptifineAccessor optifine = ModAccessorInjector.INSTANCE.get(IOptifineAccessor.class);
-		if (optifine != null)
-		{
-			HashSet<DhChunkPos> pos = optifine.getNormalRenderedChunks();
-			if (pos == null)
-				pos = getMaximumRenderedChunks();
-			return pos;
-		}
-		if (!usingBackupGetVanillaRenderedChunks)
-		{
-			try
-			{
-				#if MC_VER < MC_1_20_2
-				LevelRenderer levelRenderer = MC.levelRenderer;
-				Collection<LevelRenderer.RenderChunkInfo> chunks =
-					#if MC_VER < MC_1_18_2 levelRenderer.renderChunks;
-					#else levelRenderer.renderChunkStorage.get().renderChunks; #endif
-				
-				return (chunks.stream().map((chunk) -> {
-					AABB chunkBoundingBox =
-						#if MC_VER < MC_1_18_2 chunk.chunk.bb;
-						#else chunk.chunk.getBoundingBox(); #endif
-					return new DhChunkPos(Math.floorDiv((int) chunkBoundingBox.minX, 16),
-							Math.floorDiv((int) chunkBoundingBox.minZ, 16));
-				}).collect(Collectors.toCollection(HashSet::new)));
-				#else
-				LevelRenderer levelRenderer = MC.levelRenderer;
-				Collection<SectionRenderDispatcher.RenderSection> chunks = levelRenderer.visibleSections;
-				
-				return (chunks.stream().map((chunk) -> {
-					AABB chunkBoundingBox = chunk.getBoundingBox();
-					return new DhChunkPos(Math.floorDiv((int) chunkBoundingBox.minX, 16),
-							Math.floorDiv((int) chunkBoundingBox.minZ, 16));
-				}).collect(Collectors.toCollection(HashSet::new)));
-				#endif
-			}
-			catch (LinkageError e)
-			{
-				try
-				{
-					MinecraftClientWrapper.INSTANCE.sendChatMessage(
-							"\u00A7e\u00A7l\u00A7uWARNING: Distant Horizons: getVanillaRenderedChunks method failed."
-									+ " Using Backup Method.");
-					MinecraftClientWrapper.INSTANCE.sendChatMessage(
-							"\u00A7eOverdraw prevention will be worse than normal.");
-				}
-				catch (Exception e2)
-				{
-				}
-				LOGGER.error("getVanillaRenderedChunks Error: ", e);
-				usingBackupGetVanillaRenderedChunks = true;
-			}
-		}
-		return getMaximumRenderedChunks();
-	}
-	
 	@Override
 	public ILightMapWrapper getLightmapWrapper(ILevelWrapper level) { return this.lightmapByDimensionType.get(level.getDimensionType()); }
 	
@@ -406,7 +286,7 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 		// so this will have to do for now
 		IDimensionTypeWrapper dimensionType = level.getDimensionType();
 		
-		LightMapWrapper wrapper = this.lightmapByDimensionType.compute(dimensionType, (dimType, oldWrapper) -> new LightMapWrapper());
+		LightMapWrapper wrapper = this.lightmapByDimensionType.computeIfAbsent(dimensionType, (dimType) -> new LightMapWrapper());
 		wrapper.uploadLightmap(lightPixels);
 	}
 	

common/src/main/java/com/seibel/distanthorizons/common/wrappers/misc/LightMapWrapper.java

@@ -36,14 +36,6 @@ public class LightMapWrapper implements ILightMapWrapper
 	
 	public LightMapWrapper() { }
 	
-	private void createLightmap(NativeImage image)
-	{
-		this.textureId = GL32.glGenTextures();
-		GL32.glBindTexture(GL32.GL_TEXTURE_2D, this.textureId);
-		GL32.glTexImage2D(GL32.GL_TEXTURE_2D, 0, image.format().glFormat(), image.getWidth(), image.getHeight(),
-				0, image.format().glFormat(), GL32.GL_UNSIGNED_BYTE, (ByteBuffer) null);
-	}
-	
 	
 	
 	//=========//
@@ -53,14 +45,25 @@ public class LightMapWrapper implements ILightMapWrapper
 	public void uploadLightmap(NativeImage image)
 	{
 		int currentBind = GL32.glGetInteger(GL32.GL_TEXTURE_BINDING_2D);
-		GL32.glBindTexture(GL32.GL_TEXTURE_2D, this.textureId);
 		if (this.textureId == 0)
 		{
 			this.createLightmap(image);
 		}
+		else
+		{
+			GL32.glBindTexture(GL32.GL_TEXTURE_2D, this.textureId);
+		}
 		image.upload(0, 0, 0, false);
 		GL32.glBindTexture(GL32.GL_TEXTURE_2D, currentBind);
 	}
+	private void createLightmap(NativeImage image)
+	{
+		this.textureId = GL32.glGenTextures();
+		GL32.glBindTexture(GL32.GL_TEXTURE_2D, this.textureId);
+		GL32.glTexImage2D(GL32.GL_TEXTURE_2D, 0, image.format().glFormat(), image.getWidth(), image.getHeight(),
+				0, image.format().glFormat(), GL32.GL_UNSIGNED_BYTE, (ByteBuffer) null);
+	}
+	
 	
 	@Override
 	public void bind()

common/src/main/java/com/seibel/distanthorizons/common/wrappers/world/ClientLevelWrapper.java

@@ -1,17 +1,16 @@
 package com.seibel.distanthorizons.common.wrappers.world;
 
 import com.seibel.distanthorizons.api.enums.worldGeneration.EDhApiLevelType;
-import com.seibel.distanthorizons.api.interfaces.world.IDhApiDimensionTypeWrapper;
+import com.seibel.distanthorizons.api.interfaces.render.IDhApiCustomRenderRegister;
 import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
 import com.seibel.distanthorizons.common.wrappers.block.BiomeWrapper;
 import com.seibel.distanthorizons.common.wrappers.block.BlockStateWrapper;
-import com.seibel.distanthorizons.common.wrappers.block.cache.ClientBlockDetailMap;
+import com.seibel.distanthorizons.common.wrappers.block.ClientBlockStateColorCache;
 import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
-import com.seibel.distanthorizons.common.wrappers.minecraft.MinecraftClientWrapper;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
-import com.seibel.distanthorizons.core.level.IKeyedClientLevelManager;
+import com.seibel.distanthorizons.core.level.*;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
+import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPos;
 import com.seibel.distanthorizons.core.pos.DhChunkPos;
 import com.seibel.distanthorizons.core.wrapperInterfaces.block.IBlockStateWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.IChunkWrapper;
@@ -19,16 +18,18 @@ import com.seibel.distanthorizons.core.wrapperInterfaces.world.IBiomeWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IDimensionTypeWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IServerLevelWrapper;
+import net.minecraft.client.Minecraft;
 import net.minecraft.client.multiplayer.ClientLevel;
-import net.minecraft.core.BlockPos;
 import net.minecraft.server.level.ServerLevel;
-import net.minecraft.world.level.LightLayer;
+import net.minecraft.world.level.block.state.BlockState;
 import net.minecraft.world.level.chunk.ChunkAccess;
 import net.minecraft.world.level.chunk.ChunkSource;
+import net.minecraft.world.phys.Vec3;
 import org.apache.logging.log4j.Logger;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
+import java.awt.*;
 import java.io.IOException;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -41,14 +42,18 @@ import net.minecraft.world.level.chunk.status.ChunkStatus;
 public class ClientLevelWrapper implements IClientLevelWrapper
 {
 	private static final Logger LOGGER = DhLoggerBuilder.getLogger(ClientLevelWrapper.class.getSimpleName());
-	private static final ConcurrentHashMap<ClientLevel, ClientLevelWrapper> LEVEL_WRAPPER_BY_CLIENT_LEVEL = new ConcurrentHashMap<>();
+	private static final ConcurrentHashMap<ClientLevel, ClientLevelWrapper> LEVEL_WRAPPER_BY_CLIENT_LEVEL = new ConcurrentHashMap<>(); // TODO can leak
 	private static final IKeyedClientLevelManager KEYED_CLIENT_LEVEL_MANAGER = SingletonInjector.INSTANCE.get(IKeyedClientLevelManager.class);
 	
+	private static final Minecraft MINECRAFT = Minecraft.getInstance();
+	
 	private final ClientLevel level;
-	private final ClientBlockDetailMap blockMap = new ClientBlockDetailMap(this);
+	private final ConcurrentHashMap<BlockState, ClientBlockStateColorCache> blockCache = new ConcurrentHashMap<>();
 	
 	private BlockStateWrapper dirtBlockWrapper;
 	private BiomeWrapper plainsBiomeWrapper;
+	@Deprecated // TODO circular references are bad
+	private IDhLevel parentDhLevel;
 	
 	
 	
@@ -88,7 +93,7 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	{
 		try
 		{
-			Iterable<ServerLevel> serverLevels = MinecraftClientWrapper.INSTANCE.mc.getSingleplayerServer().getAllLevels();
+			Iterable<ServerLevel> serverLevels = MINECRAFT.getSingleplayerServer().getAllLevels();
 			
 			// attempt to find the server level with the same dimension type
 			// TODO this assumes only one level per dimension type, the SubDimensionLevelMatcher will need to be added for supporting multiple levels per dimension
@@ -108,7 +113,7 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 		}
 		catch (Exception e)
 		{
-			LOGGER.error("Failed to get server side wrapper for client level: " + level);
+			LOGGER.error("Failed to get server side wrapper for client level: " + this.level);
 			return null;
 		}
 	}
@@ -120,9 +125,13 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	//====================//
 	
 	@Override
-	public int computeBaseColor(DhBlockPos pos, IBiomeWrapper biome, IBlockStateWrapper blockState)
+	public int getBlockColor(DhBlockPos pos, IBiomeWrapper biome, IBlockStateWrapper blockWrapper)
 	{
-		return this.blockMap.getColor(((BlockStateWrapper) blockState).blockState, (BiomeWrapper) biome, pos);
+		ClientBlockStateColorCache blockColorCache = this.blockCache.computeIfAbsent(
+				((BlockStateWrapper) blockWrapper).blockState,
+				(block) -> new ClientBlockStateColorCache(block, this));
+		
+		return blockColorCache.getColor((BiomeWrapper) biome, pos);
 	}
 	
 	@Override
@@ -142,9 +151,12 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 			}
 		}
 		
-		return this.blockMap.getColor(this.dirtBlockWrapper.blockState, BiomeWrapper.EMPTY_WRAPPER, DhBlockPos.ZERO);
+		return this.getBlockColor(DhBlockPos.ZERO,BiomeWrapper.EMPTY_WRAPPER, this.dirtBlockWrapper);
 	}
 	
+	@Override 
+	public void clearBlockColorCache() { this.blockCache.clear(); }
+	
 	@Override
 	public IBiomeWrapper getPlainsBiomeWrapper()
 	{
@@ -180,7 +192,7 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	public boolean hasSkyLight() { return this.level.dimensionType().hasSkyLight(); }
 	
 	@Override
-	public int getHeight() { return this.level.getHeight(); }
+	public int getMaxHeight() { return this.level.getHeight(); }
 	
 	@Override
 	public int getMinHeight()
@@ -195,12 +207,12 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	@Override
 	public IChunkWrapper tryGetChunk(DhChunkPos pos)
 	{
-		if (!this.level.hasChunk(pos.x, pos.z))
+		if (!this.level.hasChunk(pos.getX(), pos.getZ()))
 		{
 			return null;
 		}
 		
-		ChunkAccess chunk = this.level.getChunk(pos.x, pos.z, ChunkStatus.EMPTY, false);
+		ChunkAccess chunk = this.level.getChunk(pos.getX(), pos.getZ(), ChunkStatus.EMPTY, false);
 		if (chunk == null)
 		{
 			return null;
@@ -229,7 +241,44 @@ public class ClientLevelWrapper implements IClientLevelWrapper
 	public ClientLevel getWrappedMcObject() { return this.level; }
 	
 	@Override
-	public void onUnload() { LEVEL_WRAPPER_BY_CLIENT_LEVEL.remove(this.level); }
+	public void onUnload() 
+	{ 
+		LEVEL_WRAPPER_BY_CLIENT_LEVEL.remove(this.level);
+		this.parentDhLevel = null;
+	}
+	
+	
+	
+	//===================//
+	// generic rendering //
+	//===================//
+	
+	@Override
+	public void setParentLevel(IDhLevel parentLevel) { this.parentDhLevel = parentLevel; }
+	
+	@Override 
+	public IDhApiCustomRenderRegister getRenderRegister()
+	{
+		if (this.parentDhLevel == null)
+		{
+			return null;
+		}
+		
+		return this.parentDhLevel.getGenericRenderer();
+	}
+	
+	@Override
+	public Color getCloudColor(float tickDelta)
+	{
+		Vec3 colorVec3 = this.level.getCloudColor(tickDelta);
+		return new Color((float)colorVec3.x, (float)colorVec3.y, (float)colorVec3.z);
+	}
+	
+	
+	
+	//================//
+	// base overrides //
+	//================//
 	
 	@Override
 	public String toString()

common/src/main/java/com/seibel/distanthorizons/common/wrappers/world/ServerLevelWrapper.java

@@ -23,19 +23,18 @@ import java.io.File;
 import java.util.concurrent.ConcurrentHashMap;
 
 import com.seibel.distanthorizons.api.enums.worldGeneration.EDhApiLevelType;
+import com.seibel.distanthorizons.api.interfaces.render.IDhApiCustomRenderRegister;
 import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
 import com.seibel.distanthorizons.common.wrappers.block.BiomeWrapper;
 import com.seibel.distanthorizons.common.wrappers.block.BlockStateWrapper;
-import com.seibel.distanthorizons.common.wrappers.block.cache.ServerBlockDetailMap;
 import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
-import com.seibel.distanthorizons.common.wrappers.minecraft.MinecraftClientWrapper;
+import com.seibel.distanthorizons.core.level.IDhLevel;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
+import com.seibel.distanthorizons.core.pos.blockPos.DhBlockPos;
 import com.seibel.distanthorizons.core.pos.DhChunkPos;
 import com.seibel.distanthorizons.core.wrapperInterfaces.block.IBlockStateWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.IChunkWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IBiomeWrapper;
-import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
 
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IServerLevelWrapper;
 import net.minecraft.server.level.ServerLevel;
@@ -49,7 +48,6 @@ import net.minecraft.world.level.chunk.status.ChunkStatus;
 #endif
 
 import org.apache.logging.log4j.Logger;
-import org.jetbrains.annotations.Nullable;
 
 /**
  * @version 2022-9-16
@@ -59,8 +57,9 @@ public class ServerLevelWrapper implements IServerLevelWrapper
 	private static final Logger LOGGER = DhLoggerBuilder.getLogger();
 	private static final ConcurrentHashMap<ServerLevel, ServerLevelWrapper> LEVEL_WRAPPER_BY_SERVER_LEVEL = new ConcurrentHashMap<>();
 	
-	final ServerLevel level;
-	ServerBlockDetailMap blockMap = new ServerBlockDetailMap(this);
+	private final ServerLevel level;
+	@Deprecated // TODO circular references are bad
+	private IDhLevel parentDhLevel;
 	
 	
 	
@@ -81,19 +80,6 @@ public class ServerLevelWrapper implements IServerLevelWrapper
 	// methods //
 	//=========//
 	
-	@Nullable
-	@Override
-	public IClientLevelWrapper tryGetClientLevelWrapper()
-	{
-		MinecraftClientWrapper client = MinecraftClientWrapper.INSTANCE;
-		if (client.mc.level == null)
-		{
-			return null;
-		}
-		
-		return ClientLevelWrapper.getWrapper(client.mc.level);
-	}
-	
 	@Override
 	public File getSaveFolder()
 	{
@@ -127,7 +113,7 @@ public class ServerLevelWrapper implements IServerLevelWrapper
 	}
 	
 	@Override
-	public int getHeight()
+	public int getMaxHeight()
 	{
 		return level.getHeight();
 	}
@@ -141,11 +127,12 @@ public class ServerLevelWrapper implements IServerLevelWrapper
 		return level.getMinBuildHeight();
         #endif
 	}
+	
 	@Override
 	public IChunkWrapper tryGetChunk(DhChunkPos pos)
 	{
-		if (!level.hasChunk(pos.x, pos.z)) return null;
-		ChunkAccess chunk = level.getChunk(pos.x, pos.z, ChunkStatus.FULL, false);
+		if (!level.hasChunk(pos.getX(), pos.getZ())) return null;
+		ChunkAccess chunk = level.getChunk(pos.getX(), pos.getZ(), ChunkStatus.FULL, false);
 		if (chunk == null) return null;
 		return new ChunkWrapper(chunk, level, this);
 	}
@@ -171,18 +158,33 @@ public class ServerLevelWrapper implements IServerLevelWrapper
 	}
 	
 	@Override
-	public ServerLevel getWrappedMcObject()
-	{
-		return level;
-	}
+	public ServerLevel getWrappedMcObject() { return this.level; }
 	
 	@Override
 	public void onUnload() { LEVEL_WRAPPER_BY_SERVER_LEVEL.remove(this.level); }
 	
+	
 	@Override
-	public String toString()
+	public void setParentLevel(IDhLevel parentLevel) { this.parentDhLevel = parentLevel; }
+	
+	@Override
+	public IDhApiCustomRenderRegister getRenderRegister()
 	{
-		return "Wrapped{" + level.toString() + "@" + getDimensionType().getDimensionName() + "}";
+		if (this.parentDhLevel == null)
+		{
+			return null;
+		}
+		
+		return this.parentDhLevel.getGenericRenderer();
 	}
 	
+	
+	
+	//================//
+	// base overrides //
+	//================//
+	
+	@Override
+	public String toString() { return "Wrapped{" + this.level.toString() + "@" + this.getDimensionType().getDimensionName() + "}"; }
+	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/BatchGenerationEnvironment.java

@@ -35,6 +35,7 @@ import com.seibel.distanthorizons.core.pos.DhChunkPos;
 import com.seibel.distanthorizons.core.util.objects.EventTimer;
 import com.seibel.distanthorizons.core.util.LodUtil;
 import com.seibel.distanthorizons.core.util.gridList.ArrayGridList;
+import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.ChunkLightStorage;
 import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.IChunkWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.worldGeneration.AbstractBatchGenerationEnvironmentWrapper;
 import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
@@ -109,8 +110,6 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 			new ConfigBasedLogger(LogManager.getLogger("LodWorldGen"),
 					() -> Config.Client.Advanced.Logging.logWorldGenLoadEvent.get());
 	
-	//TODO: Make actual proper support for StarLight
-	
 	public static class PerfCalculator
 	{
 		private static final String[] TIME_NAMES = {
@@ -225,8 +224,8 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 	// constructors //
 	//==============//
 	
-	public static ImmutableMap<EDhApiWorldGenerationStep, Integer> BorderNeeded;
-	public static int MaxBorderNeeded;
+	public static final ImmutableMap<EDhApiWorldGenerationStep, Integer> WORLD_GEN_CHUNK_BORDER_NEEDED_BY_GEN_STEP;
+	public static final int MAX_WORLD_GEN_CHUNK_BORDER_NEEDED;
 	
 	static
 	{
@@ -254,8 +253,13 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 		builder.put(EDhApiWorldGenerationStep.LIQUID_CARVERS, 0);
 		builder.put(EDhApiWorldGenerationStep.FEATURES, 0);
 		builder.put(EDhApiWorldGenerationStep.LIGHT, 0);
-		BorderNeeded = builder.build();
-		MaxBorderNeeded = BorderNeeded.values().stream().mapToInt(Integer::intValue).max().getAsInt();
+		WORLD_GEN_CHUNK_BORDER_NEEDED_BY_GEN_STEP = builder.build();
+		
+		// TODO this is a test to see if the additional boarder is actually necessary or not.
+		//  If world generators end up having infinite loops or other unexplained issues,
+		//  this should be set back to the commented out logic below
+		MAX_WORLD_GEN_CHUNK_BORDER_NEEDED = 0;
+		//MAX_WORLD_GEN_CHUNK_BORDER_NEEDED = WORLD_GEN_CHUNK_BORDER_NEEDED_BY_GEN_STEP.values().stream().mapToInt(Integer::intValue).max().getAsInt();
 	}
 	
 	public BatchGenerationEnvironment(IDhServerLevel serverlevel)
@@ -294,6 +298,9 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 	
 	
 	
+	//=================//
+	// synchronization //
+	//=================//
 	
 	public <T> T joinSync(CompletableFuture<T> future)
 	{
@@ -344,8 +351,11 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 			}
 			else if (event.hasTimeout(Config.Client.Advanced.WorldGenerator.worldGenerationTimeoutLengthInSeconds.get(), TimeUnit.SECONDS))
 			{
-				EVENT_LOGGER.error("Batching World Generator: " + event + " timed out and terminated!");
-				EVENT_LOGGER.info("Dump PrefEvent: " + event.timer);
+				EVENT_LOGGER.warn(
+						"Batching World Generator: [" + event + "] timed out and terminated after ["+Config.Client.Advanced.WorldGenerator.worldGenerationTimeoutLengthInSeconds.get()+"] seconds. " +
+								"\nYour computer might be overloaded or your world gen mods might be causing world gen to take longer than expected. " +
+								"\nEither increase DH's world gen timeout or reduce your computer's CPU load.");
+				EVENT_LOGGER.debug("Dump PrefEvent: " + event.timer);
 				try
 				{
 					if (!event.terminate())
@@ -368,31 +378,251 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 		}
 	}
 	
-	private static ProtoChunk EmptyChunk(ServerLevel level, ChunkPos chunkPos)
-	{
-		return new ProtoChunk(chunkPos, UpgradeData.EMPTY
-					#if MC_VER >= MC_1_17_1 , level #endif
-					#if MC_VER >= MC_1_18_2 , level.registryAccess().registryOrThrow(
-						#if MC_VER < MC_1_19_4
-				Registry.BIOME_REGISTRY
-						#else
-				Registries.BIOME
-						#endif
-		), null #endif
-		);
-		
-	}
 	
-	public ChunkAccess loadOrMakeChunk(ChunkPos chunkPos)
+	
+	//==================//
+	// world generation //
+	//==================//
+	
+	public void generateLodFromList(GenerationEvent genEvent) throws InterruptedException
+	{
+		EVENT_LOGGER.debug("Lod Generate Event: " + genEvent.minPos);
+		
+		// Minecraft's generation events expect odd chunk width areas (3x3, 7x7, or 11x11),
+		// but DH submits square generation events (4x4).
+		// We handle this later, although that handling would need to change if the gen size ever changed.
+		LodUtil.assertTrue(genEvent.size % 2 == 0, "Generation events are expected to be an evan number of chunks wide.");
+		
+		
+		
+		int borderSize = MAX_WORLD_GEN_CHUNK_BORDER_NEEDED;
+		// genEvent.size - 1 converts the even width size to an odd number for MC compatability
+		int refSize = (genEvent.size - 1) + (borderSize * 2);
+		int refPosX = genEvent.minPos.getX() - borderSize;
+		int refPosZ = genEvent.minPos.getZ() - borderSize;
+		
+		LightGetterAdaptor lightGetterAdaptor = new LightGetterAdaptor(this.params.level);
+		DummyLightEngine dummyLightEngine = new DummyLightEngine(lightGetterAdaptor);
+		
+		
+		
+		//====================================//
+		// offset and generate odd width area //
+		//====================================//
+		
+		// reused data between each offset
+		HashMap<DhChunkPos, ChunkLightStorage> chunkSkyLightingByDhPos = new HashMap<>();
+		HashMap<DhChunkPos, ChunkLightStorage> chunkBlockLightingByDhPos = new HashMap<>();
+		HashMap<DhChunkPos, ChunkAccess> generatedChunkByDhPos = new HashMap<>();
+		HashMap<DhChunkPos, ChunkWrapper> chunkWrappersByDhPos = new HashMap<>();
+		
+		// offset 1 chunk in both X and Z direction so we can generate an even number of chunks wide
+		// while still submitting odd numbers to MC's internal generators
+		for (int xOffset = 0; xOffset < 2; xOffset++)
+		{
+			// final is so the offset can be used in lambdas
+			final int xOffsetFinal = xOffset;
+			for (int zOffset = 0; zOffset < 2; zOffset++)
+			{
+				final int zOffsetFinal = zOffset;
+				
+				
+				
+				//================//
+				// variable setup //
+				//================//
+				
+				int radius = refSize / 2; 
+				int centerX = refPosX + radius + xOffset;
+				int centerZ = refPosZ + radius + zOffset;
+				
+				// get/create the list of chunks we're going to generate
+				ArrayGridList<ChunkAccess> regionChunks = new ArrayGridList<>(
+						refSize, 
+						(x, z) -> this.generateEmptyChunk(
+								x + refPosX + xOffsetFinal, 
+								z + refPosZ + zOffsetFinal, 
+								chunkSkyLightingByDhPos, chunkBlockLightingByDhPos, generatedChunkByDhPos));
+				ChunkAccess centerChunk = regionChunks.stream().filter(chunk -> chunk.getPos().x == centerX && chunk.getPos().z == centerZ).findFirst().get();
+				
+				genEvent.refreshTimeout();
+				DhLitWorldGenRegion region = new DhLitWorldGenRegion(
+						centerX, centerZ,
+						centerChunk,
+						this.params.level, dummyLightEngine, regionChunks,
+						ChunkStatus.STRUCTURE_STARTS, radius,
+						// this method shouldn't be necessary since we're passing in a pre-populated
+						// list of chunks, but just in case
+						(x, z) -> this.generateEmptyChunk(x, z, chunkSkyLightingByDhPos, chunkBlockLightingByDhPos, generatedChunkByDhPos)
+				);
+				lightGetterAdaptor.setRegion(region);
+				genEvent.threadedParam.makeStructFeat(region, this.params);
+				
+				
+				
+				//=========================//
+				// create chunk wrappers   //
+				// and get existing chunks //
+				//=========================//
+				
+				ArrayGridList<ChunkWrapper> chunkWrapperList = new ArrayGridList<>(regionChunks.gridSize);
+				regionChunks.forEachPos((relX, relZ) ->
+				{
+					// ArrayGridList's use relative positions and don't have a center position
+					// so we need to use the offsetFinal to select the correct position
+					DhChunkPos chunkPos = new DhChunkPos(relX + xOffsetFinal, relZ + zOffsetFinal);
+					ChunkAccess chunk = regionChunks.get(relX, relZ);
+					
+					if (chunkWrappersByDhPos.containsKey(chunkPos))
+					{
+						chunkWrapperList.set(relX, relZ, chunkWrappersByDhPos.get(chunkPos));
+					}
+					else if (chunk != null)
+					{
+						// wrap the chunk
+						ChunkWrapper chunkWrapper = new ChunkWrapper(chunk, region, this.serverlevel.getLevelWrapper());
+						chunkWrapperList.set(relX, relZ, chunkWrapper);
+						
+						// try setting the wrapper's lighting
+						if (chunkBlockLightingByDhPos.containsKey(chunkWrapper.getChunkPos()))
+						{
+							chunkWrapper.setBlockLightStorage(chunkBlockLightingByDhPos.get(chunkWrapper.getChunkPos()));
+							chunkWrapper.setSkyLightStorage(chunkSkyLightingByDhPos.get(chunkWrapper.getChunkPos()));
+							chunkWrapper.setUseDhLighting(true);
+							chunkWrapper.setIsDhLightCorrect(true);
+						}
+						
+						chunkWrappersByDhPos.put(chunkPos, chunkWrapper);
+					}
+					else //if (chunk == null)
+					{
+						LodUtil.assertNotReach("Programmer Error: No chunk found in grid list, position offset is likely wrong.");
+					}
+				});
+				
+				
+				
+				//=================//
+				// generate chunks //
+				//=================//
+				
+				this.generateDirect(genEvent, chunkWrapperList, borderSize, genEvent.targetGenerationStep, region);
+				
+				genEvent.timer.nextEvent("cleanup");
+			}	
+		}
+		
+		
+		
+		//=========================//
+		// submit generated chunks //
+		//=========================//
+		
+		for (DhChunkPos dhChunkPos : chunkWrappersByDhPos.keySet())
+		{
+			ChunkWrapper wrappedChunk = chunkWrappersByDhPos.get(dhChunkPos);
+			ChunkAccess target = wrappedChunk.getChunk();
+			if (target instanceof LevelChunk)
+			{
+				#if MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1
+				((LevelChunk) target).setLoaded(true);
+				#else
+				((LevelChunk) target).loaded = true;
+				#endif
+			}
+			
+			if (!wrappedChunk.isLightCorrect())
+			{
+				throw new RuntimeException("The generated chunk somehow has isLightCorrect() returning false");
+			}
+			
+			boolean isFull = ChunkWrapper.getStatus(target) == ChunkStatus.FULL || target instanceof LevelChunk;
+			#if MC_VER >= MC_1_18_2
+			boolean isPartial = target.isOldNoiseGeneration();
+			#endif
+			if (isFull)
+			{
+				LOAD_LOGGER.debug("Detected full existing chunk at {}", target.getPos());
+				genEvent.resultConsumer.accept(wrappedChunk);
+			}
+			#if MC_VER >= MC_1_18_2
+			else if (isPartial)
+			{
+				LOAD_LOGGER.debug("Detected old existing chunk at {}", target.getPos());
+				genEvent.resultConsumer.accept(wrappedChunk);
+			}
+			#endif
+			else if (ChunkWrapper.getStatus(target) == ChunkStatus.EMPTY)
+			{
+				genEvent.resultConsumer.accept(wrappedChunk);
+			}
+			else
+			{
+				genEvent.resultConsumer.accept(wrappedChunk);
+			}
+		}
+		
+		genEvent.timer.complete();
+		genEvent.refreshTimeout();
+		if (PREF_LOGGER.canMaybeLog())
+		{
+			genEvent.threadedParam.perf.recordEvent(genEvent.timer);
+			PREF_LOGGER.debugInc("{}", genEvent.timer);
+		}
+	}
+	private ChunkAccess generateEmptyChunk(
+			int x, int z,
+			HashMap<DhChunkPos, ChunkLightStorage> chunkSkyLightingByDhPos,
+			HashMap<DhChunkPos, ChunkLightStorage> chunkBlockLightingByDhPos,
+			HashMap<DhChunkPos, ChunkAccess> generatedChunkByDhPos)
+	{
+		ChunkPos chunkPos = new ChunkPos(x, z);
+		DhChunkPos dhChunkPos = new DhChunkPos(x, z);
+		
+		if (generatedChunkByDhPos.containsKey(dhChunkPos))
+		{
+			return generatedChunkByDhPos.get(dhChunkPos);
+		}
+		
+		
+		ChunkAccess newChunk = null;
+		try
+		{
+			// get the chunk
+			CompoundTag chunkData = this.getChunkNbtData(chunkPos);
+			newChunk = this.loadOrMakeChunk(chunkPos, chunkData);
+			
+			if (Config.Client.Advanced.LodBuilding.pullLightingForPregeneratedChunks.get())
+			{
+				// attempt to get chunk lighting
+				ChunkLoader.CombinedChunkLightStorage combinedLights = ChunkLoader.readLight(newChunk, chunkData);
+				if (combinedLights != null)
+				{
+					chunkSkyLightingByDhPos.put(dhChunkPos, combinedLights.skyLightStorage);
+					chunkBlockLightingByDhPos.put(dhChunkPos, combinedLights.blockLightStorage);
+				}
+			}
+		}
+		catch (RuntimeException loadChunkError)
+		{
+			// Continue...
+		}
+		
+		if (newChunk == null)
+		{
+			newChunk = new ProtoChunk(chunkPos, UpgradeData.EMPTY
+							#if MC_VER >= MC_1_17_1 , this.params.level #endif
+							#if MC_VER >= MC_1_18_2 , this.params.biomes, null #endif
+			);
+		}
+		
+		generatedChunkByDhPos.put(dhChunkPos, newChunk);
+		return newChunk;
+	}
+	private CompoundTag getChunkNbtData(ChunkPos chunkPos)
 	{
 		ServerLevel level = this.params.level;
 		
-		
-		
-		//====================//
-		// get the chunk data //
-		//====================//
-		
 		CompoundTag chunkData = null;
 		try
 		{
@@ -425,175 +655,52 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 			LOAD_LOGGER.error("DistantHorizons: Couldn't load or make chunk " + chunkPos + ". Error: " + e.getMessage(), e);
 		}
 		
-		
-		
-		//========================//
-		// convert the chunk data //
-		//========================//
+		return chunkData;
+	}
+	private ChunkAccess loadOrMakeChunk(ChunkPos chunkPos, CompoundTag chunkData)
+	{
+		ServerLevel level = this.params.level;
 		
 		if (chunkData == null)
 		{
-			return EmptyChunk(level, chunkPos);
+			return CreateEmptyChunk(level, chunkPos);
 		}
 		else
 		{
 			try
 			{
-				LOAD_LOGGER.info("DistantHorizons: Loading chunk [" + chunkPos + "] from disk.");
+				LOAD_LOGGER.debug("DistantHorizons: Loading chunk [" + chunkPos + "] from disk.");
 				return ChunkLoader.read(level, chunkPos, chunkData);
 			}
 			catch (Exception e)
 			{
 				LOAD_LOGGER.error(
-					"DistantHorizons: couldn't load or make chunk at ["+chunkPos+"]." +
-					"Please try optimizing your world to fix this issue. \n" +
-					"World optimization can be done from the singleplayer world selection screen.\n" +
-					"Error: ["+e.getMessage()+"]."
-					, e);
+						"DistantHorizons: couldn't load or make chunk at ["+chunkPos+"]." +
+								"Please try optimizing your world to fix this issue. \n" +
+								"World optimization can be done from the singleplayer world selection screen.\n" +
+								"Error: ["+e.getMessage()+"]."
+						, e);
 				
-				return EmptyChunk(level, chunkPos);
+				return CreateEmptyChunk(level, chunkPos);
 			}
 		}
 	}
-	
-	private static <T> ArrayGridList<T> GetCutoutFrom(ArrayGridList<T> total, int border)
+	private static ProtoChunk CreateEmptyChunk(ServerLevel level, ChunkPos chunkPos)
 	{
-		return new ArrayGridList<>(total, border, total.gridSize - border);
+		return new ProtoChunk(chunkPos, UpgradeData.EMPTY
+					#if MC_VER >= MC_1_17_1 , level #endif
+					#if MC_VER >= MC_1_18_2 , level.registryAccess().registryOrThrow(
+						#if MC_VER < MC_1_19_4
+				Registry.BIOME_REGISTRY
+						#else
+				Registries.BIOME
+						#endif
+		), null #endif
+		);
 	}
 	
-	private static <T> ArrayGridList<T> GetCutoutFrom(ArrayGridList<T> total, EDhApiWorldGenerationStep step)
-	{
-		return GetCutoutFrom(total, MaxBorderNeeded - BorderNeeded.get(step));
-	}
 	
-	public void generateLodFromList(GenerationEvent genEvent) throws InterruptedException
-	{
-		EVENT_LOGGER.debug("Lod Generate Event: " + genEvent.minPos);
-		
-		ArrayGridList<ChunkWrapper> chunkWrapperList;
-		DhLitWorldGenRegion region;
-		DummyLightEngine lightEngine;
-		LightGetterAdaptor adaptor;
-		
-		int borderSize = MaxBorderNeeded;
-		int refSize = genEvent.size + borderSize * 2;
-		int refPosX = genEvent.minPos.x - borderSize;
-		int refPosZ = genEvent.minPos.z - borderSize;
-		
-		try
-		{
-			ArrayGridList<ChunkAccess> totalChunks;
-			
-			adaptor = new LightGetterAdaptor(this.params.level);
-			lightEngine = new DummyLightEngine(adaptor);
-			
-			EmptyChunkGenerator generator = (int x, int z) ->
-			{
-				ChunkPos chunkPos = new ChunkPos(x, z);
-				ChunkAccess target = null;
-				try
-				{
-					target = this.loadOrMakeChunk(chunkPos);
-				}
-				catch (RuntimeException e2)
-				{
-					// Continue...
-				}
-				
-				if (target == null)
-				{
-					target = new ProtoChunk(chunkPos, UpgradeData.EMPTY
-							#if MC_VER >= MC_1_17_1 , params.level #endif
-							#if MC_VER >= MC_1_18_2 , params.biomes, null #endif
-					);
-				}
-				return target;
-			};
-			
-			totalChunks = new ArrayGridList<>(refSize, (x, z) -> generator.generate(x + refPosX, z + refPosZ));
-			
-			genEvent.refreshTimeout();
-			region = new DhLitWorldGenRegion(params.level, lightEngine, totalChunks,
-					ChunkStatus.STRUCTURE_STARTS, refSize / 2, generator);
-			adaptor.setRegion(region);
-			genEvent.threadedParam.makeStructFeat(region, params);
-			
-			
-			chunkWrapperList = new ArrayGridList<>(totalChunks.gridSize);
-			totalChunks.forEachPos((x, z) ->
-			{
-				ChunkAccess chunk = totalChunks.get(x, z);
-				if (chunk != null)
-				{
-					chunkWrapperList.set(x, z, new ChunkWrapper(chunk, region, serverlevel.getLevelWrapper()));
-				}
-			});
-			
-			this.generateDirect(genEvent, chunkWrapperList, borderSize, genEvent.targetGenerationStep, region);
-			genEvent.timer.nextEvent("cleanup");
-		}
-		catch (StepStructureStart.StructStartCorruptedException f)
-		{
-			genEvent.threadedParam.markAsInvalid();
-			throw (RuntimeException) f.getCause();
-		}
-		
-		ArrayGridList<ChunkWrapper> finalGenChunks = GetCutoutFrom(chunkWrapperList, borderSize);
-		for (int offsetY = 0; offsetY < finalGenChunks.gridSize; offsetY++)
-		{
-			for (int offsetX = 0; offsetX < finalGenChunks.gridSize; offsetX++)
-			{
-				ChunkWrapper wrappedChunk = finalGenChunks.get(offsetX, offsetY);
-				ChunkAccess target = wrappedChunk.getChunk();
-				if (target instanceof LevelChunk)
-				{
-					#if MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1
-					((LevelChunk) target).setLoaded(true);
-					#else
-					((LevelChunk) target).loaded = true;
-					#endif
-				}
-				
-				if (!wrappedChunk.isLightCorrect())
-				{
-					throw new RuntimeException("The generated chunk somehow has isLightCorrect() returning false");
-				}
-				
-				boolean isFull = target.getStatus() == ChunkStatus.FULL || target instanceof LevelChunk;
-				#if MC_VER >= MC_1_18_2
-				boolean isPartial = target.isOldNoiseGeneration();
-				#endif
-				if (isFull)
-				{
-					LOAD_LOGGER.info("Detected full existing chunk at {}", target.getPos());
-					genEvent.resultConsumer.accept(wrappedChunk);
-				}
-				#if MC_VER >= MC_1_18_2
-				else if (isPartial)
-				{
-					LOAD_LOGGER.info("Detected old existing chunk at {}", target.getPos());
-					genEvent.resultConsumer.accept(wrappedChunk);
-				}
-				#endif
-				else if (target.getStatus() == ChunkStatus.EMPTY)
-				{
-					genEvent.resultConsumer.accept(wrappedChunk);
-				}
-				else
-				{
-					genEvent.resultConsumer.accept(wrappedChunk);
-				}
-			}
-		}
-		
-		genEvent.timer.complete();
-		genEvent.refreshTimeout();
-		if (PREF_LOGGER.canMaybeLog())
-		{
-			genEvent.threadedParam.perf.recordEvent(genEvent.timer);
-			PREF_LOGGER.infoInc("{}", genEvent.timer);
-		}
-	}
+	
 	
 	public void generateDirect(
 			GenerationEvent genEvent, ArrayGridList<ChunkWrapper> chunksToGenerate, int border,
@@ -694,7 +801,7 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 			for (int i = 0; i < chunksToGenerate.size(); i++) // regular for loop since enhanced for loops increase GC pressure slightly
 			{
 				ChunkWrapper chunkWrapper = chunksToGenerate.get(i);
-				if (chunkWrapper.getChunk().getStatus() != ChunkStatus.EMPTY)
+				if (chunkWrapper.getStatus() != ChunkStatus.EMPTY)
 				{
 					iChunkWrapperList.add(chunkWrapper);
 				}
@@ -715,19 +822,20 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 				// if this isn't done everything else afterward may fail
 				Heightmap.primeHeightmaps(((ChunkWrapper)centerChunk).getChunk(), ChunkStatus.FEATURES.heightmapsAfter());
 				
-				// populate the lighting
-				DhLightingEngine.INSTANCE.lightChunk(centerChunk, iChunkWrapperList, maxSkyLight);
+				// pre-generated chunks should have lighting but new ones won't
+				if (!centerChunk.isLightCorrect())
+				{
+					DhLightingEngine.INSTANCE.lightChunk(centerChunk, iChunkWrapperList, maxSkyLight);
+				}
 			}
 			
 			genEvent.refreshTimeout();
 		}
 	}
+	private static <T> ArrayGridList<T> GetCutoutFrom(ArrayGridList<T> total, int border) { return new ArrayGridList<>(total, border, total.gridSize - border); }
+	//private static <T> ArrayGridList<T> GetCutoutFrom(ArrayGridList<T> total, EDhApiWorldGenerationStep step) { return GetCutoutFrom(total, MaxBorderNeeded - WORLD_GEN_CHUNK_BORDER_NEEDED_BY_GEN_STEP.get(step)); }
+	private static <T> ArrayGridList<T> GetCutoutFrom(ArrayGridList<T> total, EDhApiWorldGenerationStep step) { return GetCutoutFrom(total, 0); }
 	
-	public interface EmptyChunkGenerator
-	{
-		ChunkAccess generate(int x, int z);
-		
-	}
 	
 	@Override
 	public int getEventCount() { return this.generationEventList.size(); }
@@ -776,6 +884,12 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 		return genEvent.future;
 	}
 	
+	
+	
+	//================//
+	// helper methods //
+	//================//
+	
 	/**
 	 * Called before code that may run for an extended period of time. <br>
 	 * This is necessary to allow canceling world gen since waiting
@@ -789,4 +903,16 @@ public final class BatchGenerationEnvironment extends AbstractBatchGenerationEnv
 		}
 	}
 	
+	
+	
+	//================//
+	// helper classes //
+	//================//
+	
+	@FunctionalInterface
+	public interface IEmptyChunkGeneratorFunc
+	{
+		ChunkAccess generate(int x, int z);
+	}
+	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/GenerationEvent.java

@@ -43,6 +43,7 @@ public final class GenerationEvent
 	public final int id;
 	public final ThreadedParameters threadedParam;
 	public final DhChunkPos minPos;
+	/** the number of chunks wide this event is */
 	public final int size;
 	public final EDhApiWorldGenerationStep targetGenerationStep;
 	public EventTimer timer = null;
@@ -73,10 +74,10 @@ public final class GenerationEvent
 			EDhApiWorldGenerationStep target, Consumer<IChunkWrapper> resultConsumer,
 			ExecutorService worldGeneratorThreadPool)
 	{
-		if (size % 2 == 0)
-		{
-			size += 1; // size must be odd for vanilla world gen regions to work
-		}
+		//if (size % 2 == 0)
+		//{
+		//	size += 1; // size must be odd for vanilla world gen regions to work
+		//}
 		
 		
 		GenerationEvent generationEvent = new GenerationEvent(minPos, size, genEnvironment, target, resultConsumer);
@@ -93,9 +94,7 @@ public final class GenerationEvent
 				//LOGGER.info("generating [{}]", event.minPos);
 				genEnvironment.generateLodFromList(generationEvent);
 			}
-			catch (InterruptedException ignored)
-			{
-			}
+			catch (InterruptedException ignored) { }
 			finally
 			{
 				BatchGenerationEnvironment.isDistantGeneratorThread.remove();
@@ -126,21 +125,6 @@ public final class GenerationEvent
 		return this.future.isCancelled();
 	}
 	
-	public boolean tooClose(int minX, int minZ, int width)
-	{
-		int aMinX = this.minPos.x;
-		int aMinZ = this.minPos.z;
-		int aSize = this.size;
-		// Account for required empty chunks in the border
-		aSize += 1;
-		width += 1;
-		// Do a AABB to AABB intersection test
-		return (aMinX + aSize >= minX &&
-				aMinX <= minX + width &&
-				aMinZ + aSize >= minZ &&
-				aMinZ <= minZ + width);
-	}
-	
 	public void refreshTimeout()
 	{
 		this.timeoutTime = System.nanoTime();

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/mimicObject/ChunkLoader.java

@@ -22,9 +22,14 @@ package com.seibel.distanthorizons.common.wrappers.worldGeneration.mimicObject;
 import com.google.common.collect.Maps;
 import com.mojang.serialization.Codec;
 import com.mojang.serialization.Dynamic;
+import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
 import com.seibel.distanthorizons.common.wrappers.worldGeneration.BatchGenerationEnvironment;
 
 import com.seibel.distanthorizons.core.logging.ConfigBasedLogger;
+import com.seibel.distanthorizons.core.util.LodUtil;
+import com.seibel.distanthorizons.core.wrapperInterfaces.block.IBlockStateWrapper;
+import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.ChunkLightStorage;
+import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.IChunkWrapper;
 import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
 import it.unimi.dsi.fastutil.longs.LongSet;
 
@@ -44,6 +49,7 @@ import net.minecraft.core.registries.Registries;
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.ListTag;
 import net.minecraft.nbt.NbtOps;
+import net.minecraft.nbt.Tag;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.world.level.*;
@@ -79,6 +85,9 @@ import net.minecraft.world.level.material.Fluids;
 #if MC_VER == MC_1_20_6
 import net.minecraft.world.level.chunk.status.ChunkStatus;
 import net.minecraft.world.level.chunk.status.ChunkType;
+#elif MC_VER >= MC_1_21_1
+import net.minecraft.world.level.chunk.status.ChunkStatus;
+import net.minecraft.world.level.chunk.status.ChunkType;
 #endif
 
 import net.minecraft.world.level.material.Fluid;
@@ -100,138 +109,13 @@ public class ChunkLoader
 	private static final String FLUID_TICKS_TAG_PRE18 = "LiquidTicks";
 	private static final ConfigBasedLogger LOGGER = BatchGenerationEnvironment.LOAD_LOGGER;
 	
-	#if MC_VER >= MC_1_18_2
-	private static BlendingData readBlendingData(CompoundTag chunkData)
-	{
-		BlendingData blendingData = null;
-		if (chunkData.contains("blending_data", 10))
-		{
-			@SuppressWarnings({"unchecked", "rawtypes"})
-			Dynamic<CompoundTag> blendingDataTag = new Dynamic(NbtOps.INSTANCE, chunkData.getCompound("blending_data"));
-			blendingData = BlendingData.CODEC.parse(blendingDataTag).resultOrPartial(LOGGER::error).orElse(null);
-		}
-		return blendingData;
-	}
-	#endif
+	private static boolean lightingSectionErrorLogged = false;
 	
-	private static LevelChunkSection[] readSections(LevelAccessor level, ChunkPos chunkPos, CompoundTag chunkData)
-	{
-		#if MC_VER >= MC_1_18_2
-		#if MC_VER < MC_1_19_4
-		Registry<Biome> biomes = level.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY);
-		#else
-		Registry<Biome> biomes = level.registryAccess().registryOrThrow(Registries.BIOME);
-		#endif
-			#if MC_VER < MC_1_18_2
-			Codec<PalettedContainer<Biome>> biomeCodec = PalettedContainer.codec(
-					biomes, biomes.byNameCodec(), PalettedContainer.Strategy.SECTION_BIOMES, biomes.getOrThrow(Biomes.PLAINS));
-			#elif MC_VER < MC_1_19_2
-		Codec<PalettedContainer<Holder<Biome>>> biomeCodec = PalettedContainer.codec(
-				biomes.asHolderIdMap(), biomes.holderByNameCodec(), PalettedContainer.Strategy.SECTION_BIOMES, biomes.getHolderOrThrow(Biomes.PLAINS));
-			#else
-		Codec<PalettedContainer<Holder<Biome>>> biomeCodec = PalettedContainer.codecRW(
-				biomes.asHolderIdMap(), biomes.holderByNameCodec(), PalettedContainer.Strategy.SECTION_BIOMES, biomes.getHolderOrThrow(Biomes.PLAINS));
-			#endif
-		#endif
-		int i = #if MC_VER < MC_1_17_1 16; #else level.getSectionsCount(); #endif
-		LevelChunkSection[] chunkSections = new LevelChunkSection[i];
-		
-		boolean isLightOn = chunkData.getBoolean("isLightOn");
-		boolean hasSkyLight = level.dimensionType().hasSkyLight();
-		ListTag tagSections = chunkData.getList("Sections", 10);
-		if (tagSections.isEmpty()) tagSections = chunkData.getList("sections", 10);
-		
-		for (int j = 0; j < tagSections.size(); ++j)
-		{
-			CompoundTag tagSection = tagSections.getCompound(j);
-			int sectionYPos = tagSection.getByte("Y");
-
-			#if MC_VER < MC_1_18_2
-			if (tagSection.contains("Palette", 9) && tagSection.contains("BlockStates", 12))
-			{
-				LevelChunkSection levelChunkSection = new LevelChunkSection(sectionYPos << 4);
-				levelChunkSection.getStates().read(tagSection.getList("Palette", 10),
-						tagSection.getLongArray("BlockStates"));
-				levelChunkSection.recalcBlockCounts();
-				if (!levelChunkSection.isEmpty())
-					chunkSections[#if MC_VER < MC_1_17_1 sectionYPos #else level.getSectionIndexFromSectionY(sectionYPos) #endif ]
-							= levelChunkSection;
-			}
-			#else
-			int sectionId = level.getSectionIndexFromSectionY(sectionYPos);
-			if (sectionId >= 0 && sectionId < chunkSections.length)
-			{
-				PalettedContainer<BlockState> blockStateContainer;
-				#if MC_VER < MC_1_18_2
-				PalettedContainer<Biome> biomeContainer;
-				#else
-				PalettedContainer<Holder<Biome>> biomeContainer;
-				#endif
-				
-				blockStateContainer = tagSection.contains("block_states", 10)
-						? BLOCK_STATE_CODEC.parse(NbtOps.INSTANCE, tagSection.getCompound("block_states")).promotePartial(string -> logErrors(chunkPos, sectionYPos, string))
-							#if MC_VER < MC_1_20_6 .getOrThrow(false, LOGGER::error) #else .getOrThrow((message) -> (RuntimeException) LOGGER.errorAndThrow(message, null)) #endif
-						: new PalettedContainer<BlockState>(Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState(), PalettedContainer.Strategy.SECTION_STATES);
-
-				#if MC_VER < MC_1_18_2
-				biomeContainer = tagSection.contains("biomes", 10)
-						? biomeCodec.parse(NbtOps.INSTANCE, tagSection.getCompound("biomes")).promotePartial(string -> logErrors(chunkPos, sectionYPos, string)).getOrThrow(false, LOGGER::error)
-						: new PalettedContainer<Biome>(biomes, biomes.getOrThrow(Biomes.PLAINS), PalettedContainer.Strategy.SECTION_BIOMES);
-				#else
-				
-				biomeContainer = tagSection.contains("biomes", 10)
-						? biomeCodec.parse(NbtOps.INSTANCE, tagSection.getCompound("biomes")).promotePartial(string -> logErrors(chunkPos, i, (String) string))
-							#if MC_VER < MC_1_20_6 .getOrThrow(false, LOGGER::error) #else .getOrThrow((message) -> (RuntimeException) LOGGER.errorAndThrow(message, null)) #endif
-						: new PalettedContainer<Holder<Biome>>(biomes.asHolderIdMap(), biomes.getHolderOrThrow(Biomes.PLAINS), PalettedContainer.Strategy.SECTION_BIOMES);
-				#endif
-				
-				#if MC_VER < MC_1_20_1
-				chunkSections[sectionId] = new LevelChunkSection(sectionYPos, blockStateContainer, biomeContainer);
-				#else
-				chunkSections[sectionId] = new LevelChunkSection(blockStateContainer, biomeContainer);
-				#endif
-			}
-			#endif
-			
-		}
-		return chunkSections;
-	}
 	
-	private static void readHeightmaps(LevelChunk chunk, CompoundTag chunkData)
-	{
-		CompoundTag tagHeightmaps = chunkData.getCompound("Heightmaps");
-		for (Heightmap.Types type : ChunkStatus.FULL.heightmapsAfter())
-		{
-			String heightmap = type.getSerializationKey();
-			if (tagHeightmaps.contains(heightmap, 12))
-				chunk.setHeightmap(type, tagHeightmaps.getLongArray(heightmap));
-		}
-		Heightmap.primeHeightmaps(chunk, ChunkStatus.FULL.heightmapsAfter());
-	}
 	
-	private static void readPostPocessings(LevelChunk chunk, CompoundTag chunkData)
-	{
-		ListTag tagPostProcessings = chunkData.getList("PostProcessing", 9);
-		for (int n = 0; n < tagPostProcessings.size(); ++n)
-		{
-			ListTag listTag3 = tagPostProcessings.getList(n);
-			for (int o = 0; o < listTag3.size(); ++o)
-			{
-				chunk.addPackedPostProcess(listTag3.getShort(o), n);
-			}
-		}
-	}
-	
-	public static #if MC_VER < MC_1_20_6 ChunkStatus.ChunkType #else ChunkType #endif readChunkType(CompoundTag tagLevel)
-	{
-		ChunkStatus chunkStatus = ChunkStatus.byName(tagLevel.getString("Status"));
-		if (chunkStatus != null)
-		{
-			return chunkStatus.getChunkType();
-		}
-		
-		return #if MC_VER < MC_1_20_6 ChunkStatus.ChunkType.PROTOCHUNK; #else ChunkType.PROTOCHUNK; #endif
-	}
+	//============//
+	// read chunk //
+	//============//
 	
 	public static LevelChunk read(WorldGenLevel level, ChunkPos chunkPos, CompoundTag chunkData)
 	{
@@ -349,10 +233,293 @@ public class ChunkLoader
 		readPostPocessings(chunk, chunkData);
 		return chunk;
 	}
-	
-	private static void logErrors(ChunkPos chunkPos, int i, String string)
+	private static LevelChunkSection[] readSections(LevelAccessor level, ChunkPos chunkPos, CompoundTag chunkData)
 	{
-		LOGGER.error("Distant Horizons: Recoverable errors when loading section [" + chunkPos.x + ", " + i + ", " + chunkPos.z + "]: " + string);
+		#if MC_VER >= MC_1_18_2
+		#if MC_VER < MC_1_19_4
+		Registry<Biome> biomes = level.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY);
+		#else
+		Registry<Biome> biomes = level.registryAccess().registryOrThrow(Registries.BIOME);
+		#endif
+			#if MC_VER < MC_1_18_2
+			Codec<PalettedContainer<Biome>> biomeCodec = PalettedContainer.codec(
+					biomes, biomes.byNameCodec(), PalettedContainer.Strategy.SECTION_BIOMES, biomes.getOrThrow(Biomes.PLAINS));
+			#elif MC_VER < MC_1_19_2
+		Codec<PalettedContainer<Holder<Biome>>> biomeCodec = PalettedContainer.codec(
+				biomes.asHolderIdMap(), biomes.holderByNameCodec(), PalettedContainer.Strategy.SECTION_BIOMES, biomes.getHolderOrThrow(Biomes.PLAINS));
+			#else
+		Codec<PalettedContainer<Holder<Biome>>> biomeCodec = PalettedContainer.codecRW(
+				biomes.asHolderIdMap(), biomes.holderByNameCodec(), PalettedContainer.Strategy.SECTION_BIOMES, biomes.getHolderOrThrow(Biomes.PLAINS));
+			#endif
+		#endif
+		int sectionYIndex = #if MC_VER < MC_1_17_1 16; #else level.getSectionsCount(); #endif
+		LevelChunkSection[] chunkSections = new LevelChunkSection[sectionYIndex];
+		
+		boolean isLightOn = chunkData.getBoolean("isLightOn");
+		boolean hasSkyLight = level.dimensionType().hasSkyLight();
+		ListTag tagSections = chunkData.getList("Sections", 10);
+		if (tagSections.isEmpty()) tagSections = chunkData.getList("sections", 10);
+		
+		for (int j = 0; j < tagSections.size(); ++j)
+		{
+			CompoundTag tagSection = tagSections.getCompound(j);
+			int sectionYPos = tagSection.getByte("Y");
+
+			#if MC_VER < MC_1_18_2
+			if (tagSection.contains("Palette", 9) && tagSection.contains("BlockStates", 12))
+			{
+				LevelChunkSection levelChunkSection = new LevelChunkSection(sectionYPos << 4);
+				levelChunkSection.getStates().read(tagSection.getList("Palette", 10),
+						tagSection.getLongArray("BlockStates"));
+				levelChunkSection.recalcBlockCounts();
+				if (!levelChunkSection.isEmpty())
+					chunkSections[#if MC_VER < MC_1_17_1 sectionYPos #else level.getSectionIndexFromSectionY(sectionYPos) #endif ]
+							= levelChunkSection;
+			}
+			#else
+			int sectionId = level.getSectionIndexFromSectionY(sectionYPos);
+			if (sectionId >= 0 && sectionId < chunkSections.length)
+			{
+				PalettedContainer<BlockState> blockStateContainer;
+				#if MC_VER < MC_1_18_2
+				PalettedContainer<Biome> biomeContainer;
+				#else
+				PalettedContainer<Holder<Biome>> biomeContainer;
+				#endif
+				
+				blockStateContainer = tagSection.contains("block_states", 10)
+						? BLOCK_STATE_CODEC.parse(NbtOps.INSTANCE, tagSection.getCompound("block_states")).promotePartial(string -> logBlockDeserializationWarning(chunkPos, sectionYPos, string))
+						#if MC_VER < MC_1_20_6 
+						.getOrThrow(false, LOGGER::error)
+						#else
+						.getOrThrow((message) -> (RuntimeException) LOGGER.errorAndThrow(message, null)) 
+						#endif
+						: new PalettedContainer<BlockState>(Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState(), PalettedContainer.Strategy.SECTION_STATES);
+
+				#if MC_VER < MC_1_18_2
+				biomeContainer = tagSection.contains("biomes", 10)
+						? biomeCodec.parse(NbtOps.INSTANCE, tagSection.getCompound("biomes")).promotePartial(string -> logErrors(chunkPos, sectionYPos, string)).getOrThrow(false, LOGGER::error)
+						: new PalettedContainer<Biome>(biomes, biomes.getOrThrow(Biomes.PLAINS), PalettedContainer.Strategy.SECTION_BIOMES);
+				#else
+				
+				biomeContainer = tagSection.contains("biomes", 10)
+						? biomeCodec.parse(NbtOps.INSTANCE, tagSection.getCompound("biomes")).promotePartial(string -> logBiomeDeserializationWarning(chunkPos, sectionYIndex, (String) string))
+						#if MC_VER < MC_1_20_6 
+						.getOrThrow(false, LOGGER::error)
+						#else
+						.getOrThrow((message) -> (RuntimeException) LOGGER.errorAndThrow(message, null))
+						#endif
+						: new PalettedContainer<Holder<Biome>>(biomes.asHolderIdMap(), biomes.getHolderOrThrow(Biomes.PLAINS), PalettedContainer.Strategy.SECTION_BIOMES);
+				#endif
+				
+				#if MC_VER < MC_1_20_1
+				chunkSections[sectionId] = new LevelChunkSection(sectionYPos, blockStateContainer, biomeContainer);
+				#else
+				chunkSections[sectionId] = new LevelChunkSection(blockStateContainer, biomeContainer);
+				#endif
+			}
+			#endif
+			
+		}
+		return chunkSections;
+	}
+	private static 
+		#if MC_VER < MC_1_20_6 ChunkStatus.ChunkType
+		#elif MC_VER < MC_1_21_1 ChunkType
+		#else ChunkType #endif 
+	readChunkType(CompoundTag tagLevel)
+	{
+		ChunkStatus chunkStatus = ChunkStatus.byName(tagLevel.getString("Status"));
+		if (chunkStatus != null)
+		{
+			return chunkStatus.getChunkType();
+		}
+		
+		return 
+				#if MC_VER <= MC_1_20_4 ChunkStatus.ChunkType.PROTOCHUNK;
+				#else ChunkType.PROTOCHUNK; #endif
+	}
+	private static void readHeightmaps(LevelChunk chunk, CompoundTag chunkData)
+	{
+		CompoundTag tagHeightmaps = chunkData.getCompound("Heightmaps");
+		for (Heightmap.Types type : ChunkStatus.FULL.heightmapsAfter())
+		{
+			String heightmap = type.getSerializationKey();
+			if (tagHeightmaps.contains(heightmap, 12))
+				chunk.setHeightmap(type, tagHeightmaps.getLongArray(heightmap));
+		}
+		Heightmap.primeHeightmaps(chunk, ChunkStatus.FULL.heightmapsAfter());
+	}
+	private static void readPostPocessings(LevelChunk chunk, CompoundTag chunkData)
+	{
+		ListTag tagPostProcessings = chunkData.getList("PostProcessing", 9);
+		for (int n = 0; n < tagPostProcessings.size(); ++n)
+		{
+			ListTag listTag3 = tagPostProcessings.getList(n);
+			for (int o = 0; o < listTag3.size(); ++o)
+			{
+				chunk.addPackedPostProcess(listTag3.getShort(o), n);
+			}
+		}
+	}
+	#if MC_VER >= MC_1_18_2
+	private static BlendingData readBlendingData(CompoundTag chunkData)
+	{
+		BlendingData blendingData = null;
+		if (chunkData.contains("blending_data", 10))
+		{
+			@SuppressWarnings({"unchecked", "rawtypes"})
+			Dynamic<CompoundTag> blendingDataTag = new Dynamic(NbtOps.INSTANCE, chunkData.getCompound("blending_data"));
+			blendingData = BlendingData.CODEC.parse(blendingDataTag).resultOrPartial(LOGGER::error).orElse(null);
+		}
+		return blendingData;
+	}
+	#endif
+	
+	
+	
+	//=====================//
+	// read chunk lighting //
+	//=====================//
+	
+	/**
+	 * https://minecraft.wiki/w/Chunk_format
+	 */
+	public static CombinedChunkLightStorage readLight(ChunkAccess chunk, CompoundTag chunkData)
+	{
+		#if MC_VER <= MC_1_17_1
+		// MC 1.16 and 1.17 doesn't have the necessary NBT info
+		return null;
+		#else
+		
+		CombinedChunkLightStorage combinedStorage = new CombinedChunkLightStorage(ChunkWrapper.getMinBuildHeight(chunk), ChunkWrapper.getMaxBuildHeight(chunk));
+		ChunkLightStorage blockLightStorage = combinedStorage.blockLightStorage;
+		ChunkLightStorage skyLightStorage = combinedStorage.skyLightStorage;
+		
+		boolean foundSkyLight = false;
+		
+		
+		
+		//===================//
+		// get NBT tags info //
+		//===================//
+		
+		Tag chunkSectionTags = chunkData.get("sections");
+		if (chunkSectionTags == null)
+		{
+			if (!lightingSectionErrorLogged)
+			{
+				lightingSectionErrorLogged = true;
+				LOGGER.error("No sections found for chunk at pos ["+chunk.getPos()+"] chunk data may be out of date.");
+			}
+			return null;
+		}
+		else if (!(chunkSectionTags instanceof ListTag))
+		{
+			if (!lightingSectionErrorLogged)
+			{
+				lightingSectionErrorLogged = true;
+				LOGGER.error("Chunk section tag list have unexpected type ["+chunkSectionTags.getClass().getName()+"], expected ["+ListTag.class.getName()+"].");
+			}
+			return null;
+		}
+		ListTag chunkSectionListTag = (ListTag) chunkSectionTags;
+		
+		
+		
+		//===================//
+		// get lighting info //
+		//===================//
+		
+		for (int sectionIndex = 0; sectionIndex < chunkSectionListTag.size(); sectionIndex++)
+		{
+			Tag chunkSectionTag = chunkSectionListTag.get(sectionIndex);
+			if (!(chunkSectionTag instanceof CompoundTag))
+			{
+				if (!lightingSectionErrorLogged)
+				{
+					lightingSectionErrorLogged = true;
+					LOGGER.error("Chunk section tag has an unexpected type ["+chunkSectionTag.getClass().getName()+"], expected ["+CompoundTag.class.getName()+"].");
+				}
+				return null;
+			}
+			CompoundTag chunkSectionCompoundTag = (CompoundTag) chunkSectionTag;
+			
+			
+			// if null all lights = 0
+			byte[] blockLightNibbleArray = chunkSectionCompoundTag.getByteArray("BlockLight");
+			byte[] skyLightNibbleArray = chunkSectionCompoundTag.getByteArray("SkyLight");
+			
+			// if any sky light was found then all lights above will be max brightness
+			if (skyLightNibbleArray.length != 0)
+			{
+				foundSkyLight = true;
+			}
+			
+			for (int relX = 0; relX < LodUtil.CHUNK_WIDTH; relX++)
+			{
+				for (int relZ = 0; relZ < LodUtil.CHUNK_WIDTH; relZ++)
+				{
+					// chunk sections are also 16 blocks tall
+					for (int relY = 0; relY < LodUtil.CHUNK_WIDTH; relY++)
+					{
+						int blockPosIndex = relY*16*16 + relZ*16 + relX;
+						byte blockLight = (blockLightNibbleArray.length == 0) ? 0 : getNibbleAtIndex(blockLightNibbleArray, blockPosIndex);
+						byte skyLight = (skyLightNibbleArray.length == 0) ? 0 : getNibbleAtIndex(skyLightNibbleArray, blockPosIndex);
+						if (skyLightNibbleArray.length == 0 && foundSkyLight)
+						{
+							skyLight = LodUtil.MAX_MC_LIGHT;
+						}
+						
+						int y = relY + (sectionIndex * LodUtil.CHUNK_WIDTH) + ChunkWrapper.getMinBuildHeight(chunk);
+						blockLightStorage.set(relX, y, relZ, blockLight);
+						skyLightStorage.set(relX, y, relZ, skyLight);
+					}
+				}
+			}
+		}
+		
+		return combinedStorage;
+		#endif
+	}
+	/** source: https://minecraft.wiki/w/Chunk_format#Block_Format */
+	private static byte getNibbleAtIndex(byte[] arr, int index)
+	{
+		if (index % 2 == 0)
+		{
+			return (byte)(arr[index/2] & 0x0F);
+		}
+		else
+		{
+			return (byte)((arr[index/2]>>4) & 0x0F);
+		}
+	}
+	
+	private static void logBlockDeserializationWarning(ChunkPos chunkPos, int sectionYIndex, String message)
+	{
+		LOGGER.warn("Unable to deserialize blocks for chunk section [" + chunkPos.x + ", " + sectionYIndex + ", " + chunkPos.z + "], error: ["+message+"]. This can probably be ignored, although if your world looks wrong, optimizing it via the single player menu then deleting your DH database(s) should fix the problem.");
+	}
+	private static void logBiomeDeserializationWarning(ChunkPos chunkPos, int sectionYIndex, String message)
+	{
+		LOGGER.warn("Unable to deserialize biomes for chunk section [" + chunkPos.x + ", " + sectionYIndex + ", " + chunkPos.z + "], error: ["+message+"]. This can probably be ignored, although if your world looks wrong, optimizing it via the single player menu then deleting your DH database(s) should fix the problem.");
+	}
+	
+	
+	
+	//================//
+	// helper classes //
+	//================//
+	
+	public static class CombinedChunkLightStorage
+	{
+		public ChunkLightStorage blockLightStorage;
+		public ChunkLightStorage skyLightStorage;
+		
+		public CombinedChunkLightStorage(int minY, int maxY)
+		{
+			this.blockLightStorage = ChunkLightStorage.createBlockLightStorage(minY, maxY);
+			this.skyLightStorage = ChunkLightStorage.createSkyLightStorage(minY, maxY);
+		}
 	}
 	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/mimicObject/DhGenerationChunkHolder.java

@@ -0,0 +1,23 @@
+package com.seibel.distanthorizons.common.wrappers.worldGeneration.mimicObject;
+
+#if MC_VER >= MC_1_21_1
+
+import net.minecraft.server.level.GenerationChunkHolder;
+import net.minecraft.world.level.ChunkPos;
+
+public class DhGenerationChunkHolder extends GenerationChunkHolder
+{
+	
+	public DhGenerationChunkHolder(ChunkPos pos)
+	{
+		super(pos);
+	}
+	
+	@Override 
+	public int getTicketLevel() { return 0; }
+	@Override 
+	public int getQueueLevel() { return 0; }
+	
+}
+
+#endif

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/mimicObject/DhLitWorldGenRegion.java

@@ -22,7 +22,7 @@ package com.seibel.distanthorizons.common.wrappers.worldGeneration.mimicObject;
 import java.lang.invoke.MethodHandles;
 import java.util.List;
 import java.util.concurrent.locks.ReentrantLock;
-
+import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
 import com.seibel.distanthorizons.common.wrappers.worldGeneration.BatchGenerationEnvironment;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
 import com.seibel.distanthorizons.core.util.LodUtil;
@@ -59,7 +59,13 @@ import net.minecraft.world.level.lighting.LevelLightEngine;
 #if MC_VER <= MC_1_20_4
 import net.minecraft.world.level.chunk.ChunkStatus;
 #else
-import net.minecraft.world.level.chunk.status.ChunkStatus;
+import net.minecraft.world.level.chunk.status.*;
+#endif
+
+#if MC_VER >= MC_1_21_1
+import net.minecraft.util.StaticCache2D;
+import com.google.common.collect.ImmutableList;
+import net.minecraft.server.level.GenerationChunkHolder;
 #endif
 
 
@@ -71,7 +77,7 @@ public class DhLitWorldGenRegion extends WorldGenRegion
 	
 	
 	public final DummyLightEngine lightEngine;
-	public final BatchGenerationEnvironment.EmptyChunkGenerator generator;
+	public final BatchGenerationEnvironment.IEmptyChunkGeneratorFunc generator;
 	public final int writeRadius;
 	public final int size;
 	
@@ -112,11 +118,29 @@ public class DhLitWorldGenRegion extends WorldGenRegion
 	
 	
 	public DhLitWorldGenRegion(
+			int centerChunkX, int centerChunkZ,
+			ChunkAccess centerChunk,
 			ServerLevel serverLevel, DummyLightEngine lightEngine,
 			List<ChunkAccess> chunkList, ChunkStatus chunkStatus, int writeRadius,
-			BatchGenerationEnvironment.EmptyChunkGenerator generator)
+			BatchGenerationEnvironment.IEmptyChunkGeneratorFunc generator)
 	{
-		super(serverLevel, chunkList #if MC_VER >= MC_1_17_1 , chunkStatus, writeRadius #endif );
+		#if MC_VER == MC_1_16_5
+		super(serverLevel, chunkList);
+		#elif MC_VER < MC_1_21_1
+		super(serverLevel, chunkList, chunkStatus, writeRadius);
+		#else
+		super(serverLevel, 
+				StaticCache2D.create(
+					centerChunkX, centerChunkZ,
+					writeRadius * 2, (x,z) -> new DhGenerationChunkHolder(new ChunkPos(x, z))), 
+				new ChunkStep(chunkStatus,
+						// reverse is needed because MC uses the index of the chunkStatus to determine how many items are in the list instead of the actual list count
+						new ChunkDependencies(ImmutableList.copyOf(ChunkStatus.getStatusList()).reverse()),
+						new ChunkDependencies(ImmutableList.copyOf(ChunkStatus.getStatusList()).reverse()),
+						writeRadius, (WorldGenContext var1, ChunkStep var2, StaticCache2D<GenerationChunkHolder> var3, ChunkAccess var4) -> null),
+				centerChunk);
+		
+		#endif
 		this.firstPos = chunkList.get(0).getPos();
 		this.generator = generator;
 		this.lightEngine = lightEngine;
@@ -210,6 +234,22 @@ public class DhLitWorldGenRegion extends WorldGenRegion
 		#endif
 	}
 	
+	/**
+	 * This needs to be manually overridden to make sure Lithium 0.11.2 and lower
+	 * don't try to get null chunks. <br><br>
+	 *
+	 * Problematic Lithium code was removed in 0.13.0 (MC 1.21.1) and higher: <br>
+	 * https://github.com/CaffeineMC/lithium-fabric/commit/b7cfd53a1ed0197e1d13dea2799b898eb52ecab3
+	 */
+	@NotNull
+	@Override
+	public BlockState getBlockState(BlockPos blockPos)
+	{
+		int chunkX = SectionPos.blockToSectionCoord(blockPos.getX());
+		int chunkZ = SectionPos.blockToSectionCoord(blockPos.getZ());
+		return this.getChunk(chunkX, chunkZ).getBlockState(blockPos);
+	}
+	
 	/** Skip BlockEntity stuff. They aren't needed for our use case. */
 	@Override
 	public boolean addFreshEntity(@NotNull Entity entity) { return true; }
@@ -280,7 +320,7 @@ public class DhLitWorldGenRegion extends WorldGenRegion
 	private ChunkAccess getChunkAccess(int chunkX, int chunkZ, ChunkStatus chunkStatus, boolean returnNonNull)
 	{
 		ChunkAccess chunk = this.superHasChunk(chunkX, chunkZ) ? this.superGetChunk(chunkX, chunkZ) : null;
-		if (chunk != null && chunk.getStatus().isOrAfter(chunkStatus))
+		if (chunk != null && ChunkWrapper.getStatus(chunk).isOrAfter(chunkStatus))
 		{
 			return chunk;
 		}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/step/StepBiomes.java

@@ -56,29 +56,44 @@ public final class StepBiomes
 			List<ChunkWrapper> chunkWrappers)
 	{
 		
-		ArrayList<ChunkAccess> chunksToDo = new ArrayList<ChunkAccess>();
+		ArrayList<ChunkAccess> chunksToDo = new ArrayList<>();
 		
 		for (ChunkWrapper chunkWrapper : chunkWrappers)
 		{
 			ChunkAccess chunk = chunkWrapper.getChunk();
-			if (chunk.getStatus().isOrAfter(STATUS)) continue;
-			((ProtoChunk) chunk).setStatus(STATUS);
-			chunksToDo.add(chunk);
+			if (chunkWrapper.getStatus().isOrAfter(STATUS))
+			{
+				// this chunk has already generated this step
+				continue;
+			}
+			else if (chunk instanceof ProtoChunk)
+			{
+				#if MC_VER < MC_1_21_1
+				((ProtoChunk) chunk).setStatus(STATUS);
+				#else
+				((ProtoChunk) chunk).setPersistedStatus(STATUS);
+				#endif
+				
+				chunksToDo.add(chunk);
+			}
 		}
 		
 		for (ChunkAccess chunk : chunksToDo)
 		{
 			// System.out.println("StepBiomes: "+chunk.getPos());
 			#if MC_VER < MC_1_18_2
-			environment.params.generator.createBiomes(environment.params.biomes, chunk);
+			this.environment.params.generator.createBiomes(this.environment.params.biomes, chunk);
 			#elif MC_VER < MC_1_19_2
-			chunk = environment.joinSync(environment.params.generator.createBiomes(environment.params.biomes, Runnable::run, Blender.of(worldGenRegion),
+			chunk = this.environment.joinSync(this.environment.params.generator.createBiomes(this.environment.params.biomes, Runnable::run, Blender.of(worldGenRegion),
 					tParams.structFeat.forWorldGenRegion(worldGenRegion), chunk));
 			#elif MC_VER < MC_1_19_4
-			chunk = environment.joinSync(environment.params.generator.createBiomes(environment.params.biomes, Runnable::run, environment.params.randomState, Blender.of(worldGenRegion),
+			chunk = this.environment.joinSync(this.environment.params.generator.createBiomes(this.environment.params.biomes, Runnable::run, this.environment.params.randomState, Blender.of(worldGenRegion),
+					tParams.structFeat.forWorldGenRegion(worldGenRegion), chunk));
+			#elif MC_VER < MC_1_21_1
+			chunk = this.environment.joinSync(this.environment.params.generator.createBiomes(Runnable::run, this.environment.params.randomState, Blender.of(worldGenRegion),
 					tParams.structFeat.forWorldGenRegion(worldGenRegion), chunk));
 			#else
-			chunk = environment.joinSync(environment.params.generator.createBiomes(Runnable::run, environment.params.randomState, Blender.of(worldGenRegion),
+			chunk = this.environment.joinSync(this.environment.params.generator.createBiomes(this.environment.params.randomState, Blender.of(worldGenRegion),
 					tParams.structFeat.forWorldGenRegion(worldGenRegion), chunk));
 			#endif
 		}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/step/StepFeatures.java

@@ -59,14 +59,18 @@ public final class StepFeatures
 		for (ChunkWrapper chunkWrapper : chunkWrappers)
 		{
 			ChunkAccess chunk = chunkWrapper.getChunk();
-			if (chunk.getStatus().isOrAfter(STATUS))
+			if (chunkWrapper.getStatus().isOrAfter(STATUS))
 			{
+				// this chunk has already generated this step
 				continue;
 			}
-			
-			if (chunk instanceof ProtoChunk)
+			else if (chunk instanceof ProtoChunk)
 			{
+				#if MC_VER < MC_1_21_1
 				((ProtoChunk) chunk).setStatus(STATUS);
+				#else
+				((ProtoChunk) chunk).setPersistedStatus(STATUS);
+				#endif
 			}
 			
 			
@@ -76,7 +80,7 @@ public final class StepFeatures
 				worldGenRegion.setOverrideCenter(chunk.getPos());
 				environment.params.generator.applyBiomeDecoration(worldGenRegion, tParams.structFeat);
 				#else
-				if (worldGenRegion.hasChunk(chunkWrapper.getChunkPos().x, chunkWrapper.getChunkPos().z))
+				if (worldGenRegion.hasChunk(chunkWrapper.getChunkPos().getX(), chunkWrapper.getChunkPos().getZ()))
 				{
 					this.environment.params.generator.applyBiomeDecoration(worldGenRegion, chunk, tParams.structFeat.forWorldGenRegion(worldGenRegion));
 				}

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/step/StepNoise.java

@@ -58,13 +58,21 @@ public final class StepNoise
 			List<ChunkWrapper> chunkWrappers)
 	{
 		
-		ArrayList<ChunkAccess> chunksToDo = new ArrayList<ChunkAccess>();
+		ArrayList<ChunkAccess> chunksToDo = new ArrayList<>();
 		
 		for (ChunkWrapper chunkWrapper : chunkWrappers)
 		{
 			ChunkAccess chunk = chunkWrapper.getChunk();
-			if (chunk.getStatus().isOrAfter(STATUS)) continue;
+			if (chunkWrapper.getStatus().isOrAfter(STATUS))
+			{
+				continue;
+			}
+			
+			#if MC_VER < MC_1_21_1
 			((ProtoChunk) chunk).setStatus(STATUS);
+			#else
+			((ProtoChunk) chunk).setPersistedStatus(STATUS);
+			#endif
 			chunksToDo.add(chunk);
 		}
 		
@@ -72,15 +80,18 @@ public final class StepNoise
 		{
 			// System.out.println("StepNoise: "+chunk.getPos());
 			#if MC_VER < MC_1_17_1
-			environment.params.generator.fillFromNoise(worldGenRegion, tParams.structFeat, chunk);
+			this.environment.params.generator.fillFromNoise(worldGenRegion, tParams.structFeat, chunk);
 			#elif MC_VER < MC_1_18_2
-			chunk = environment.joinSync(environment.params.generator.fillFromNoise(Runnable::run,
+			chunk = this.environment.joinSync(this.environment.params.generator.fillFromNoise(Runnable::run,
 					tParams.structFeat.forWorldGenRegion(worldGenRegion), chunk));
 			#elif MC_VER < MC_1_19_2
-			chunk = environment.joinSync(environment.params.generator.fillFromNoise(Runnable::run, Blender.of(worldGenRegion),
+			chunk = this.environment.joinSync(this.environment.params.generator.fillFromNoise(Runnable::run, Blender.of(worldGenRegion),
+					tParams.structFeat.forWorldGenRegion(worldGenRegion), chunk));
+			#elif MC_VER < MC_1_21_1
+			chunk = this.environment.joinSync(this.environment.params.generator.fillFromNoise(Runnable::run, Blender.of(worldGenRegion), this.environment.params.randomState,
 					tParams.structFeat.forWorldGenRegion(worldGenRegion), chunk));
 			#else
-			chunk = environment.joinSync(environment.params.generator.fillFromNoise(Runnable::run, Blender.of(worldGenRegion), environment.params.randomState,
+			chunk = this.environment.joinSync(this.environment.params.generator.fillFromNoise(Blender.of(worldGenRegion), this.environment.params.randomState,
 					tParams.structFeat.forWorldGenRegion(worldGenRegion), chunk));
 			#endif
 			UncheckedInterruptedException.throwIfInterrupted();

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/step/StepStructureReference.java

@@ -59,9 +59,20 @@ public final class StepStructureReference
 		for (ChunkWrapper chunkWrapper : chunkWrappers)
 		{
 			ChunkAccess chunk = chunkWrapper.getChunk();
-			if (chunk.getStatus().isOrAfter(STATUS)) continue;
-			((ProtoChunk) chunk).setStatus(STATUS);
-			chunksToDo.add(chunk);
+			if (chunkWrapper.getStatus().isOrAfter(STATUS))
+			{
+				// this chunk has already generated this step
+				continue;
+			}
+			else if (chunk instanceof ProtoChunk)
+			{
+				#if MC_VER < MC_1_21_1
+				((ProtoChunk) chunk).setStatus(STATUS);
+				#else
+				((ProtoChunk) chunk).setPersistedStatus(STATUS);
+				#endif
+				chunksToDo.add(chunk);
+			}
 		}
 		
 		for (ChunkAccess chunk : chunksToDo)

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/step/StepStructureStart.java

@@ -76,20 +76,29 @@ public final class StepStructureStart
 		for (ChunkWrapper chunkWrapper : chunkWrappers)
 		{
 			ChunkAccess chunk = chunkWrapper.getChunk();
-			if (!chunk.getStatus().isOrAfter(STATUS))
+			if (chunkWrapper.getStatus().isOrAfter(STATUS))
 			{
+				// this chunk has already generated this step
+				continue;
+			}
+			else if (chunk instanceof ProtoChunk)
+			{
+				#if MC_VER < MC_1_21_1
 				((ProtoChunk) chunk).setStatus(STATUS);
+				#else
+				((ProtoChunk) chunk).setPersistedStatus(STATUS);
+				#endif
 				chunksToDo.add(chunk);
 			}
 		}
 		
 		#if MC_VER < MC_1_19_2
-		if (environment.params.worldGenSettings.generateFeatures())
+		if (this.environment.params.worldGenSettings.generateFeatures())
 		{
 		#elif MC_VER < MC_1_19_4
-		if (environment.params.worldGenSettings.generateStructures()) {
+		if (this.environment.params.worldGenSettings.generateStructures()) {
 		#else
-		if (environment.params.worldOptions.generateStructures())
+		if (this.environment.params.worldOptions.generateStructures())
 		{
 		#endif
 			for (ChunkAccess chunk : chunksToDo)

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/step/StepSurface.java

@@ -58,9 +58,21 @@ public final class StepSurface
 		for (ChunkWrapper chunkWrapper : chunkWrappers)
 		{
 			ChunkAccess chunk = chunkWrapper.getChunk();
-			if (chunk.getStatus().isOrAfter(STATUS)) continue;
-			((ProtoChunk) chunk).setStatus(STATUS);
-			chunksToDo.add(chunk);
+			if (chunkWrapper.getStatus().isOrAfter(STATUS))
+			{
+				// this chunk has already generated this step
+				continue;
+			}
+			else if (chunk instanceof ProtoChunk)
+			{
+				#if MC_VER < MC_1_21_1
+				((ProtoChunk) chunk).setStatus(STATUS);
+				#else
+				((ProtoChunk) chunk).setPersistedStatus(STATUS);
+				#endif
+				
+				chunksToDo.add(chunk);
+			}
 		}
 		
 		for (ChunkAccess chunk : chunksToDo)

fabric/src/main/java/com/seibel/distanthorizons/fabric/FabricClientProxy.java

@@ -29,16 +29,14 @@ import com.mojang.blaze3d.platform.InputConstants;
 import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
 
 import com.seibel.distanthorizons.core.api.internal.SharedApi;
-import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.dependencyInjection.ModAccessorInjector;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
-import com.seibel.distanthorizons.core.pos.DhBlockPos;
-import com.seibel.distanthorizons.core.pos.DhChunkPos;
+import com.seibel.distanthorizons.core.util.threading.ThreadPoolUtil;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.ISodiumAccessor;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
-import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
+import com.seibel.distanthorizons.core.util.math.Mat4f;
 import com.seibel.distanthorizons.fabric.wrappers.modAccessor.SodiumAccessor;
 //import io.netty.buffer.ByteBuf;
 import net.fabricmc.api.EnvType;
@@ -55,6 +53,7 @@ import net.minecraft.client.gui.screens.TitleScreen;
 import java.nio.FloatBuffer;
 #endif
 import java.util.HashSet;
+import java.util.concurrent.ThreadPoolExecutor;
 
 import net.minecraft.client.multiplayer.ClientLevel;
 import net.minecraft.world.InteractionResult;
@@ -118,11 +117,15 @@ public class FabricClientProxy implements AbstractModInitializer.IEventProxy
 		// ClientChunkLoadEvent
 		ClientChunkEvents.CHUNK_LOAD.register((level, chunk) ->
 		{
-			IClientLevelWrapper wrappedLevel = ClientLevelWrapper.getWrapper(level);
-			SharedApi.INSTANCE.chunkLoadEvent(new ChunkWrapper(chunk, level, wrappedLevel), wrappedLevel);
+			if (MC.clientConnectedToDedicatedServer())
+			{
+				IClientLevelWrapper wrappedLevel = ClientLevelWrapper.getWrapper(level);
+				SharedApi.INSTANCE.chunkLoadEvent(new ChunkWrapper(chunk, level, wrappedLevel), wrappedLevel);
+			}
 		});
 		
 		// (kinda) block break event
+		// Since fabric doesn't have a client-side break-block API event, this is the next best thing
 		AttackBlockCallback.EVENT.register((player, level, interactionHand, blockPos, direction) ->
 		{
 			// if we have access to the server, use the chunk save event instead 
@@ -130,48 +133,26 @@ public class FabricClientProxy implements AbstractModInitializer.IEventProxy
 			{
 				if (SharedApi.isChunkAtBlockPosAlreadyUpdating(blockPos.getX(), blockPos.getZ()))
 				{
-					// Since fabric doesn't have a client-side break-block API event, this is the next best thing
-					ChunkAccess chunk = level.getChunk(blockPos);
-					if (chunk != null)
+					// executor to prevent locking up the render/event thread
+					// if the getChunk() takes longer than expected 
+					// (which can be caused by certain mods) 
+					ThreadPoolExecutor executor = ThreadPoolUtil.getFileHandlerExecutor();
+					if (executor != null)
 					{
-						//LOGGER.trace("attack block at blockPos: " + blockPos);
-						
-						IClientLevelWrapper wrappedLevel = ClientLevelWrapper.getWrapper((ClientLevel) level);
-						SharedApi.INSTANCE.chunkBlockChangedEvent(
-								new ChunkWrapper(chunk, level, wrappedLevel),
-								wrappedLevel
-						);
-					}	
-				}
-			}
-			
-			// don't stop the callback
-			return InteractionResult.PASS;
-		});
-		
-		// (kinda) block place event
-		UseBlockCallback.EVENT.register((player, level, hand, hitResult) -> 
-		{
-			// if we have access to the server, use the chunk save event instead 
-			if (MC.clientConnectedToDedicatedServer())
-			{
-				if (SharedApi.isChunkAtBlockPosAlreadyUpdating(hitResult.getBlockPos().getX(), hitResult.getBlockPos().getZ()))
-				{
-					// Since fabric doesn't have a client-side place-block API event, this is the next best thing
-					if (hitResult.getType() == HitResult.Type.BLOCK
-							&& !hitResult.isInside())
-					{
-						ChunkAccess chunk = level.getChunk(hitResult.getBlockPos());
-						if (chunk != null)
+						executor.execute(() ->
 						{
-							//LOGGER.trace("use block at blockPos: " + hitResult.getBlockPos());
-							
-							IClientLevelWrapper wrappedLevel = ClientLevelWrapper.getWrapper((ClientLevel) level);
-							SharedApi.INSTANCE.chunkBlockChangedEvent(
-									new ChunkWrapper(chunk, level, wrappedLevel),
-									wrappedLevel
-							);
-						}
+							ChunkAccess chunk = level.getChunk(blockPos);
+							if (chunk != null)
+							{
+								//LOGGER.trace("attack block at blockPos: " + blockPos);
+								
+								IClientLevelWrapper wrappedLevel = ClientLevelWrapper.getWrapper((ClientLevel) level);
+								SharedApi.INSTANCE.chunkBlockChangedEvent(
+										new ChunkWrapper(chunk, level, wrappedLevel),
+										wrappedLevel
+								);
+							}
+						});
 					}
 				}
 			}
@@ -180,12 +161,45 @@ public class FabricClientProxy implements AbstractModInitializer.IEventProxy
 			return InteractionResult.PASS;
 		});
 		
-		
-		// Client Chunk Save
-		ClientChunkEvents.CHUNK_UNLOAD.register((level, chunk) ->
+		// (kinda) block place event
+		// Since fabric doesn't have a client-side place-block API event, this is the next best thing
+		UseBlockCallback.EVENT.register((player, level, hand, hitResult) -> 
 		{
-			IClientLevelWrapper wrappedLevel = ClientLevelWrapper.getWrapper(level);
-			SharedApi.INSTANCE.chunkUnloadEvent(new ChunkWrapper(chunk, level, wrappedLevel), wrappedLevel);
+			// if we have access to the server, use the chunk save event instead 
+			if (MC.clientConnectedToDedicatedServer())
+			{
+				if (hitResult.getType() == HitResult.Type.BLOCK
+						&& !hitResult.isInside())
+				{
+					if (SharedApi.isChunkAtBlockPosAlreadyUpdating(hitResult.getBlockPos().getX(), hitResult.getBlockPos().getZ()))
+					{
+						// executor to prevent locking up the render/event thread
+						// if the getChunk() takes longer than expected 
+						// (which can be caused by certain mods) 
+						ThreadPoolExecutor executor = ThreadPoolUtil.getFileHandlerExecutor();
+						if (executor != null)
+						{
+							executor.execute(() ->
+							{
+								ChunkAccess chunk = level.getChunk(hitResult.getBlockPos());
+								if (chunk != null)
+								{
+									//LOGGER.trace("use block at blockPos: " + hitResult.getBlockPos());
+									
+									IClientLevelWrapper wrappedLevel = ClientLevelWrapper.getWrapper((ClientLevel) level);
+									SharedApi.INSTANCE.chunkBlockChangedEvent(
+											new ChunkWrapper(chunk, level, wrappedLevel),
+											wrappedLevel
+									);
+								}
+							});
+						}
+					}
+				}
+			}
+			
+			// don't stop the callback
+			return InteractionResult.PASS;
 		});
 		
 		
@@ -208,9 +222,14 @@ public class FabricClientProxy implements AbstractModInitializer.IEventProxy
 			this.clientApi.renderLods(ClientLevelWrapper.getWrapper(renderContext.world()),
 					modelViewMatrix,
 					projectionMatrix,
-					renderContext.tickDelta());
+					#if MC_VER < MC_1_21_1
+					renderContext.tickDelta()
+					#else
+					renderContext.tickCounter().getGameTimeDeltaTicks()
+					#endif
+					);
 		});
-
+		
 		// Debug keyboard event
 		// FIXME: Use better hooks so it doesn't trigger key press events in text boxes
 		ClientTickEvents.END_CLIENT_TICK.register(client -> 

fabric/src/main/java/com/seibel/distanthorizons/fabric/FabricMain.java

@@ -124,7 +124,7 @@ public class FabricMain extends AbstractModInitializer implements ClientModIniti
 		
 		#if MC_VER >= MC_1_20_1
 		if (SingletonInjector.INSTANCE.get(IModChecker.class).isModLoaded("sodium"))
-			ModAccessorInjector.INSTANCE.get(ISodiumAccessor.class).setFogOcclusion(false); // FIXME: This is a tmp fix for sodium 0.5.0, and 0.5.1. This is fixed in sodium 0.5.2
+			ModAccessorInjector.INSTANCE.get(ISodiumAccessor.class).setFogOcclusion(false);
 		#endif
 		
 		if (ConfigBase.INSTANCE == null)

fabric/src/main/java/com/seibel/distanthorizons/fabric/FabricServerProxy.java

@@ -1,5 +1,7 @@
 package com.seibel.distanthorizons.fabric;
 
+import com.seibel.distanthorizons.api.methods.events.DhApiEventRegister;
+import com.seibel.distanthorizons.api.methods.events.abstractEvents.DhApiLevelLoadEvent;
 import com.seibel.distanthorizons.common.AbstractModInitializer;
 import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
 import com.seibel.distanthorizons.common.wrappers.misc.ServerPlayerWrapper;
@@ -10,6 +12,7 @@ import com.seibel.distanthorizons.core.api.internal.ServerApi;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.ILevelWrapper;
+import com.seibel.distanthorizons.fabric.testing.TestWorldGenBindingEvent;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerChunkEvents;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerTickEvents;
@@ -75,6 +78,14 @@ public class FabricServerProxy implements AbstractModInitializer.IEventProxy
 		// ServerTickEvent
 		ServerTickEvents.END_SERVER_TICK.register((server) -> SERVER_API.serverTickEvent());
 		
+		
+		// can be enabled to test world gen overrides without having to build a separate API project 
+		if (false)
+		{
+			DhApiEventRegister.on(DhApiLevelLoadEvent.class, new TestWorldGenBindingEvent());
+		}
+		
+		
 		// ServerWorldLoadEvent
 		//TODO: Check if both of these use the correct timed events. (i.e. is it 'ed' or 'ing' one?)
 		ServerLifecycleEvents.SERVER_STARTING.register((server) ->

fabric/src/main/java/com/seibel/distanthorizons/fabric/mixins/client/MixinLevelRenderer.java

@@ -22,6 +22,7 @@ package com.seibel.distanthorizons.fabric.mixins.client;
 import com.mojang.blaze3d.vertex.PoseStack;
 #if MC_VER < MC_1_19_4
 import com.mojang.math.Matrix4f;
+import org.lwjgl.opengl.GL32;
 #else
 import org.joml.Matrix4f;
 #endif
@@ -29,23 +30,17 @@ import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
 import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
 import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
 import com.seibel.distanthorizons.core.api.internal.ClientApi;
-import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
+import com.seibel.distanthorizons.core.util.math.Mat4f;
 import net.minecraft.client.Camera;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.renderer.GameRenderer;
 import net.minecraft.client.renderer.LightTexture;
 import com.seibel.distanthorizons.core.config.Config;
-import net.minecraft.client.Camera;
 import net.minecraft.client.multiplayer.ClientLevel;
-import net.minecraft.client.renderer.GameRenderer;
 import net.minecraft.client.renderer.LevelRenderer;
-import net.minecraft.client.renderer.LightTexture;
 import net.minecraft.client.renderer.RenderType;
-import net.minecraft.world.level.lighting.LevelLightEngine;
-import org.lwjgl.opengl.GL15;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
-import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
@@ -99,7 +94,7 @@ public class MixinLevelRenderer
 		#if MC_VER == MC_1_16_5
 	    // get the matrices from the OpenGL fixed pipeline
 	    float[] mcProjMatrixRaw = new float[16];
-	    GL15.glGetFloatv(GL15.GL_PROJECTION_MATRIX, mcProjMatrixRaw);
+	    GL32.glGetFloatv(GL32.GL_PROJECTION_MATRIX, mcProjMatrixRaw);
 	    Mat4f mcProjectionMatrix = new Mat4f(mcProjMatrixRaw);
 	    mcProjectionMatrix.transpose();
 	    
@@ -110,17 +105,23 @@ public class MixinLevelRenderer
 		Mat4f mcModelViewMatrix = McObjectConverter.Convert(modelViewMatrixStack.last().pose());
 		Mat4f mcProjectionMatrix = McObjectConverter.Convert(projectionMatrix);
 		#else
-	    // get the matrices directly from MC
+	    // MC combined the model view and projection matricies
 	    Mat4f mcModelViewMatrix = McObjectConverter.Convert(projectionMatrix);
 	    Mat4f mcProjectionMatrix = new Mat4f();
 	    mcProjectionMatrix.setIdentity();
 		#endif
 	    
-	    if (renderType.equals(RenderType.translucent())) {
+	    if (renderType.equals(RenderType.translucent())) 
+		{
 		    ClientApi.INSTANCE.renderDeferredLods(ClientLevelWrapper.getWrapper(this.level),
 				    mcModelViewMatrix,
 				    mcProjectionMatrix,
-				    Minecraft.getInstance().getFrameTime());
+					#if MC_VER < MC_1_21_1
+					Minecraft.getInstance().getFrameTime()
+					#else
+				    Minecraft.getInstance().getTimer().getRealtimeDeltaTicks()
+					#endif
+				    );
 	    }
 		
 		// FIXME completely disables rendering when sodium is installed

fabric/src/main/java/com/seibel/distanthorizons/fabric/mixins/client/MixinMinecraft.java

@@ -8,6 +8,7 @@ import com.seibel.distanthorizons.core.jar.installer.GitlabGetter;
 import com.seibel.distanthorizons.core.jar.installer.ModrinthGetter;
 import com.seibel.distanthorizons.core.jar.updater.SelfUpdater;
 import com.seibel.distanthorizons.core.wrapperInterfaces.IVersionConstants;
+import com.seibel.distanthorizons.coreapi.ModInfo;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.screens.TitleScreen;
@@ -87,13 +88,23 @@ public class MixinMinecraft
 				)
 			)
 		{
-			runnable = () -> {
+			runnable = () -> 
+			{
+				String versionId;
+				EDhApiUpdateBranch updateBranch = EDhApiUpdateBranch.convertAutoToStableOrNightly(Config.Client.Advanced.AutoUpdater.updateBranch.get());
+				if (updateBranch == EDhApiUpdateBranch.STABLE)
+				{
+					versionId = ModrinthGetter.getLatestIDForVersion(SingletonInjector.INSTANCE.get(IVersionConstants.class).getMinecraftVersion());
+				}
+				else
+				{
+					versionId = GitlabGetter.INSTANCE.projectPipelines.get(0).get("sha");
+				}
+				
 				Minecraft.getInstance().setScreen(new UpdateModScreen(
 						// TODO: Change to runnable, instead of tittle screen
 						new TitleScreen(false), // We don't want to use the vanilla title screen as it would fade the buttons
-						(Config.Client.Advanced.AutoUpdater.updateBranch.get() == EDhApiUpdateBranch.STABLE 
-							? ModrinthGetter.getLatestIDForVersion(SingletonInjector.INSTANCE.get(IVersionConstants.class).getMinecraftVersion())
-							: GitlabGetter.INSTANCE.projectPipelines.get(0).get("sha"))
+						versionId
 				));
 			};
 		}

fabric/src/main/java/com/seibel/distanthorizons/fabric/mixins/client/MixinOptionsScreen.java

@@ -23,16 +23,13 @@ import com.seibel.distanthorizons.common.wrappers.gui.GetConfigScreen;
 import com.seibel.distanthorizons.common.wrappers.gui.TexturedButtonWidget;
 import com.seibel.distanthorizons.coreapi.ModInfo;
 import com.seibel.distanthorizons.core.config.Config;
-import net.minecraft.client.gui.screens.OptionsScreen;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
 #if MC_VER < MC_1_19_2
 import net.minecraft.network.chat.TranslatableComponent;
 #endif
 import net.minecraft.resources.ResourceLocation;
-import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -41,11 +38,20 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import java.util.Objects;
 import java.util.concurrent.atomic.AtomicInteger;
 
-#if MC_VER == MC_1_20_6
+#if MC_VER >= MC_1_20_6
 import net.minecraft.client.gui.layouts.LinearLayout;
 import net.minecraft.client.gui.layouts.HeaderAndFooterLayout;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Shadow;
 #endif
 
+#if MC_VER < MC_1_21_1
+import net.minecraft.client.gui.screens.OptionsScreen;
+#else
+import net.minecraft.client.gui.screens.options.OptionsScreen;
+#endif
+
+
 /**
  * Adds a button to the menu to goto the config
  *
@@ -57,13 +63,18 @@ public class MixinOptionsScreen extends Screen
 {
 	/** Texture used for the config opening button */
 	@Unique
-	private static final ResourceLocation ICON_TEXTURE = new ResourceLocation(ModInfo.ID, "textures/gui/button.png");
+	private static final ResourceLocation ICON_TEXTURE =
+		#if MC_VER < MC_1_21_1
+		new ResourceLocation(ModInfo.ID, "textures/gui/button.png");
+		#else
+		ResourceLocation.fromNamespaceAndPath(ModInfo.ID, "textures/gui/button.png");
+		#endif 
 	
 	
 	@Unique
 	private TexturedButtonWidget optionsButton = null;
 	
-	#if MC_VER == MC_1_20_6
+	#if MC_VER >= MC_1_20_6
 	@Shadow
 	@Final
 	protected HeaderAndFooterLayout layout;

fabric/src/main/java/com/seibel/distanthorizons/fabric/mixins/server/MixinChunkMap.java

@@ -1,8 +1,6 @@
 package com.seibel.distanthorizons.fabric.mixins.server;
 
-import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
-import com.seibel.distanthorizons.common.wrappers.world.ServerLevelWrapper;
-import com.seibel.distanthorizons.core.api.internal.ServerApi;
+import com.seibel.distanthorizons.common.commonMixins.MixinChunkMapCommon;
 import net.minecraft.server.level.ChunkMap;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.level.chunk.ChunkAccess;
@@ -32,62 +30,6 @@ public class MixinChunkMap
 	// don't need the chunk(s) before MC has finished saving them
 	@Inject(method = "save", at = @At(value = "RETURN", target = CHUNK_SERIALIZER_WRITE))
 	private void onChunkSave(ChunkAccess chunk, CallbackInfoReturnable<Boolean> ci)
-	{
-		// true means a chunk was saved to disk
-		if (ci.getReturnValue())
-		{
-			// TODO is this validation necessary since we are checking above if 
-			//  the callback return value should state if the chunk was actually saved or not?
-			//  Do we trust it to always be correct?
-			
-			//=====================================//
-			// corrupt/incomplete chunk validation //
-			//=====================================//
-			
-			// MC has a tendency to try saving incomplete or corrupted chunks (which show up as empty or black chunks)
-			// this logic should prevent that from happening
-			#if MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1
-			if (chunk.isUnsaved() || chunk.getUpgradeData() != null || !chunk.isLightCorrect())
-			{
-				return;
-			}
-			#else
-			if (chunk.isUnsaved() || chunk.isUpgrading() || !chunk.isLightCorrect())
-			{
-				return;
-			}
-			#endif
-			
-			
-			//==================//
-			// biome validation //
-			//==================//
-			
-			// some chunks may be missing their biomes, which cause issues when attempting to save them
-			#if MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1
-			if (chunk.getBiomes() == null)
-			{
-				return;
-			}
-			#else
-			try
-			{
-				// this will throw an exception if the biomes aren't set up
-				chunk.getNoiseBiome(0,0,0);
-			}
-			catch (Exception e)
-			{
-				return;
-			}
-			#endif
-			
-			
-			
-			ServerApi.INSTANCE.serverChunkSaveEvent(
-					new ChunkWrapper(chunk, this.level, ServerLevelWrapper.getWrapper(this.level)),
-					ServerLevelWrapper.getWrapper(this.level)
-			);
-		}
-	}
+	{ MixinChunkMapCommon.onChunkSave(this.level, chunk, ci); }
 	
 }

fabric/src/main/java/com/seibel/distanthorizons/fabric/testing/TestWorldGenBindingEvent.java

@@ -0,0 +1,28 @@
+package com.seibel.distanthorizons.fabric.testing;
+
+import com.seibel.distanthorizons.api.DhApi;
+import com.seibel.distanthorizons.api.interfaces.override.worldGenerator.IDhApiWorldGenerator;
+import com.seibel.distanthorizons.api.methods.events.abstractEvents.DhApiLevelLoadEvent;
+import com.seibel.distanthorizons.api.methods.events.sharedParameterObjects.DhApiEventParam;
+import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
+import net.minecraft.server.level.ServerLevel;
+import org.apache.logging.log4j.Logger;
+
+public class TestWorldGenBindingEvent extends DhApiLevelLoadEvent
+{
+	private static final Logger LOGGER = DhLoggerBuilder.getLogger();
+	
+	@Override
+	public void onLevelLoad(DhApiEventParam<DhApiLevelLoadEvent.EventParam> event)
+	{
+		LOGGER.info("DH Level: ["+event.value.levelWrapper.getDimensionType()+"] loaded.");
+		
+		// Note: whenever you use a wrapper method on a new Minecraft version it is recommended that you
+		// call wrapper.getClass() to determine which object the API will return before you try casting it.
+		ServerLevel level = (ServerLevel) event.value.levelWrapper.getWrappedMcObject();
+		
+		// override the core DH world generator for this level
+		IDhApiWorldGenerator exampleWorldGen = new TestWorldGenerator(level);
+		DhApi.worldGenOverrides.registerWorldGeneratorOverride(event.value.levelWrapper, exampleWorldGen);
+	}
+}

fabric/src/main/java/com/seibel/distanthorizons/fabric/testing/TestWorldGenerator.java

@@ -0,0 +1,114 @@
+package com.seibel.distanthorizons.fabric.testing;
+
+import com.seibel.distanthorizons.api.DhApi;
+import com.seibel.distanthorizons.api.enums.worldGeneration.EDhApiDistantGeneratorMode;
+import com.seibel.distanthorizons.api.enums.worldGeneration.EDhApiWorldGeneratorReturnType;
+import com.seibel.distanthorizons.api.interfaces.block.IDhApiBiomeWrapper;
+import com.seibel.distanthorizons.api.interfaces.block.IDhApiBlockStateWrapper;
+import com.seibel.distanthorizons.api.interfaces.override.worldGenerator.AbstractDhApiChunkWorldGenerator;
+import com.seibel.distanthorizons.api.interfaces.world.IDhApiLevelWrapper;
+import com.seibel.distanthorizons.api.objects.data.DhApiChunk;
+import com.seibel.distanthorizons.api.objects.data.DhApiTerrainDataPoint;
+import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
+import com.seibel.distanthorizons.common.wrappers.world.ServerLevelWrapper;
+import com.seibel.distanthorizons.core.config.Config;
+import net.minecraft.core.BlockPos;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.chunk.ChunkAccess;
+
+import java.util.ArrayList;
+import java.util.concurrent.atomic.AtomicInteger;
+
+public class TestWorldGenerator extends AbstractDhApiChunkWorldGenerator
+{
+	private final ServerLevel level;
+	private final IDhApiLevelWrapper levelWrapper;
+	
+	
+	
+	//=============//
+	// constructor //
+	//=============//
+	
+	public TestWorldGenerator(ServerLevel level)
+	{
+		this.level = level;
+		this.levelWrapper = ServerLevelWrapper.getWrapper(level);
+	}
+	
+	
+	
+	//============//
+	// properties //
+	//============//
+	
+	@Override
+	public EDhApiWorldGeneratorReturnType getReturnType() { return EDhApiWorldGeneratorReturnType.API_CHUNKS; }
+	
+	@Override 
+	public boolean runApiChunkValidation() { return true; }
+	
+	
+	
+	//==================//
+	// chunk generation //
+	//==================//
+	
+	@Override
+	public Object[] generateChunk(int chunkX, int chunkZ, EDhApiDistantGeneratorMode eDhApiDistantGeneratorMode)
+	{
+		ChunkAccess chunk = this.level.getChunk(chunkX, chunkZ);
+		return new Object[] { chunk, this.level };
+	}
+	
+	@Override
+	public DhApiChunk generateApiChunk(int chunkPosX, int chunkPosZ, EDhApiDistantGeneratorMode generatorMode)
+	{
+		// this test is only validated for 1.18.2 and up 
+		// (and it is only needed when testing world gen overrides/API chunks, so it isn't normally needed)
+		#if MC_VER >= MC_1_18_2
+		ChunkAccess chunk = this.level.getChunk(chunkPosX, chunkPosZ);
+		
+		
+		int minBuildHeight = this.level.getMinBuildHeight();
+		int maxBuildHeight = this.level.getMaxBuildHeight();
+		
+		DhApiChunk apiChunk = DhApiChunk.create(chunkPosX, chunkPosZ, minBuildHeight, maxBuildHeight);
+		for (int x = 0; x < 16; x++)
+		{
+			for (int z = 0; z < 16; z++)
+			{
+				ArrayList<DhApiTerrainDataPoint> dataPoints = new ArrayList<>();
+				
+				IDhApiBlockStateWrapper block = null;
+				IDhApiBiomeWrapper biome = null;
+				
+				for (int y = minBuildHeight; y < maxBuildHeight; y++)
+				{
+					block = DhApi.Delayed.wrapperFactory.getBlockStateWrapper(new Object[]{chunk.getBlockState(new BlockPos(x, y, z))}, this.levelWrapper);
+					biome = DhApi.Delayed.wrapperFactory.getBiomeWrapper(new Object[]{chunk.getNoiseBiome(x, y, z)}, this.levelWrapper);
+					dataPoints.add(DhApiTerrainDataPoint.create((byte) 0, 0, 15, y, y + 1, block, biome));
+				}
+				
+				apiChunk.setDataPoints(x, z, dataPoints);
+			}
+		}
+		return apiChunk;
+		#else
+		return null;
+		#endif
+	}
+	
+	@Override
+	public void preGeneratorTaskStart() { /* do nothing */ }
+	
+	
+	
+	//=========//
+	// cleanup //
+	//=========//
+	
+	@Override
+	public void close() { /* do nothing */ }
+	
+}

fabric/src/main/java/com/seibel/distanthorizons/fabric/wrappers/modAccessor/BCLibAccessor.java

@@ -5,7 +5,7 @@ import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IBCLibAcces
 #elif MC_VER == MC_1_18_2
 import ru.bclib.config.ClientConfig;
 import ru.bclib.config.Configs;
-#else
+#elif MC_VER < MC_1_21_1
 import org.betterx.bclib.config.ClientConfig;
 import org.betterx.bclib.config.Configs;
 #endif
@@ -17,7 +17,8 @@ public class BCLibAccessor implements IBCLibAccessor
 	
 	public void setRenderCustomFog(boolean newValue)
 	{
-		#if !(MC_VER == MC_1_16_5 || MC_VER == MC_1_17_1 || MC_VER == MC_1_20_4 || MC_VER == MC_1_20_6) // These versions either don't have BCLib, or the implementation is different
+		// only some MC versions have BCLib and require this fix
+		#if (MC_VER > MC_1_17_1 && MC_VER < MC_1_20_4)
 		
 		// Change the value of CUSTOM_FOG_RENDERING in the bclib client config
 		// This disabled fog from rendering within bclib

fabric/src/main/java/com/seibel/distanthorizons/fabric/wrappers/modAccessor/SodiumAccessor.java

@@ -19,20 +19,18 @@
 
 package com.seibel.distanthorizons.fabric.wrappers.modAccessor;
 
-import java.util.HashSet;
-import java.util.stream.Collectors;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
 
-import com.seibel.distanthorizons.core.pos.DhChunkPos;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
-import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
-import com.seibel.distanthorizons.core.wrapperInterfaces.IWrapperFactory;
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftRenderWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.ISodiumAccessor;
 
 
-import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
+#if MC_VER < MC_1_20_1
 import me.jellysquid.mods.sodium.client.render.SodiumWorldRenderer;
-import net.minecraft.client.Minecraft;
+#endif
 #if MC_VER < MC_1_17_1
 import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.protocol.Packet;
@@ -40,103 +38,100 @@ import net.minecraft.world.entity.Entity;
 import net.minecraft.world.entity.EntityType;
 import net.minecraft.world.level.LevelAccessor;
 import net.minecraft.world.phys.AABB;
-#else
-import net.minecraft.world.level.LevelHeightAccessor;
+#else 
 #endif
 
 public class SodiumAccessor implements ISodiumAccessor
 {
-	private final IWrapperFactory factory = SingletonInjector.INSTANCE.get(IWrapperFactory.class);
-	private final IMinecraftRenderWrapper MC_RENDER = SingletonInjector.INSTANCE.get(IMinecraftRenderWrapper.class);
-
-	public IClientLevelWrapper levelWrapper;
-	public Mat4f mcModelViewMatrix;
-	public Mat4f mcProjectionMatrix;
-	public float partialTicks;
-
-	@Override
-	public String getModName()
-	{
-		return "Sodium-Fabric";
-	}
-
-	#if MC_VER >= MC_1_17_1
-	@Override
-	public HashSet<DhChunkPos> getNormalRenderedChunks()
-	{
-		SodiumWorldRenderer renderer = SodiumWorldRenderer.instance();
-		LevelHeightAccessor height = Minecraft.getInstance().level;
-
-		#if MC_VER >= MC_1_20_1
-		// TODO: This is just a tmp solution, use a proper solution later
-		return MC_RENDER.getMaximumRenderedChunks().stream().filter((DhChunkPos chunk) -> {
-			return (renderer.isBoxVisible(
-					chunk.getMinBlockX() + 1, height.getMinBuildHeight() + 1, chunk.getMinBlockZ() + 1,
-					chunk.getMinBlockX() + 15, height.getMaxBuildHeight() - 1, chunk.getMinBlockZ() + 15));
-		}).collect(Collectors.toCollection(HashSet::new));
-		#elif MC_VER >= MC_1_18_2
-		// 0b11 = Lighted chunk & loaded chunk
-		return renderer.getChunkTracker().getChunks(0b00).filter(
-				(long l) -> {
-					return true;
-				}).mapToObj(DhChunkPos::new).collect(Collectors.toCollection(HashSet::new));
-		#else
-		// TODO: Maybe use a mixin to make this more efficient, and maybe ignore changes behind the camera
-		return MC_RENDER.getMaximumRenderedChunks().stream().filter((DhChunkPos chunk) -> {
-			return (renderer.isBoxVisible(
-					chunk.getMinBlockX() + 1, height.getMinBuildHeight() + 1, chunk.getMinBlockZ() + 1,
-					chunk.getMinBlockX() + 15, height.getMaxBuildHeight() - 1, chunk.getMinBlockZ() + 15));
-		}).collect(Collectors.toCollection(HashSet::new));
-		#endif
-	}
-	#else
-	@Override
-	public HashSet<DhChunkPos> getNormalRenderedChunks() {
-		SodiumWorldRenderer renderer = SodiumWorldRenderer.getInstance();
-		LevelAccessor height = Minecraft.getInstance().level;
-		// TODO: Maybe use a mixin to make this more efficient
-		return MC_RENDER.getMaximumRenderedChunks().stream().filter((DhChunkPos chunk) -> {
-			FakeChunkEntity AABB = new FakeChunkEntity(chunk.x, chunk.z, height.getMaxBuildHeight());
-			return (renderer.isEntityVisible(AABB));
-		}).collect(Collectors.toCollection(HashSet::new));
-	}
-
-	private static class FakeChunkEntity extends Entity {
-		public int cx;
-		public int cz;
-		public int my;
-		public FakeChunkEntity(int chunkX, int chunkZ, int maxHeight) {
-			super(EntityType.AREA_EFFECT_CLOUD, null);
-			cx = chunkX;
-			cz = chunkZ;
-			my = maxHeight;
-		}
-		@Override
-		public AABB getBoundingBoxForCulling() {
-			return new AABB(cx*16+1, 1, cz*16+1,
-					cx*16+15, my-1, cz*16+15);
-		}
-		@Override
-		protected void defineSynchedData() {}
-		@Override
-		protected void readAdditionalSaveData(CompoundTag paramCompoundTag) {}
-		@Override
-		protected void addAdditionalSaveData(CompoundTag paramCompoundTag) {}
-		@Override
-		public Packet<?> getAddEntityPacket() {
-			throw new UnsupportedOperationException("This is a FAKE CHUNK ENTITY... For tricking the Sodium to check a AABB.");
-		}
-	}
+	#if MC_VER >= MC_1_20_1
+	private static MethodHandle setFogOcclusionMethod;
+	private static Object sodiumPerformanceOptions;
 	#endif
-
-	/** A temporary overwrite for a config in sodium 0.5 to fix their terrain from showing, will be removed once a proper fix is added */
-	// FIXME
+	
+	
+	
+	//======================//
+	// mod accessor methods //
+	//======================//
+	
 	@Override
-	public void setFogOcclusion(boolean b)
+	public String getModName() { return "Sodium-Fabric"; }
+	
+	
+	
+	//================//
+	// sodium methods //
+	//================//
+	
+	/** An overwrite for a config in sodium 0.5 to fix their terrain from showing */
+	@Override
+	public void setFogOcclusion(boolean occlusionEnabled)
 	{
 		#if MC_VER >= MC_1_20_1
-		me.jellysquid.mods.sodium.client.SodiumClientMod.options().performance.useFogOcclusion = b;
+		try
+		{
+			if (sodiumPerformanceOptions == null)
+			{
+				boolean sodiumV6 = classPresent("net.caffeinemc.mods.sodium.client.render.SodiumWorldRenderer");
+				if (!sodiumV6)
+				{
+					// sodium 0.5
+					
+					Class<?> optionsClass = Class.forName("me.jellysquid.mods.sodium.client.gui.SodiumGameOptions");
+					Object basicOptions = MethodHandles.lookup().findStatic(
+							Class.forName("me.jellysquid.mods.sodium.client.SodiumClientMod"), 
+							"options", MethodType.methodType(optionsClass)).invoke();
+					sodiumPerformanceOptions = optionsClass.getDeclaredField("performance").get(basicOptions);
+					setFogOcclusionMethod = MethodHandles.lookup()
+							.findSetter(Class.forName(
+									"me.jellysquid.mods.sodium.client.gui.SodiumGameOptions$PerformanceSettings"), 
+									"useFogOcclusion", boolean.class);
+					
+					// alternate option if referencing Sodium 0.5 directly
+					//me.jellysquid.mods.sodium.client.SodiumClientMod.options().performance.useFogOcclusion = b;
+				} 
+				else
+				{
+					// sodium 0.6
+					
+					Class<?> optionsClass = Class.forName("net.caffeinemc.mods.sodium.client.gui.SodiumGameOptions");
+					Object basicOptions = MethodHandles.lookup().findStatic(
+							Class.forName("net.caffeinemc.mods.sodium.client.SodiumClientMod"),
+							"options", MethodType.methodType(optionsClass)).invoke();
+					sodiumPerformanceOptions = optionsClass.getDeclaredField("performance").get(basicOptions);
+					setFogOcclusionMethod = MethodHandles.lookup()
+							.findSetter(Class.forName(
+									"net.caffeinemc.mods.sodium.client.gui.SodiumGameOptions$PerformanceSettings"), 
+									"useFogOcclusion", boolean.class);
+				}
+			}
+			
+			setFogOcclusionMethod.invoke(sodiumPerformanceOptions, occlusionEnabled);
+		}
+		catch (Throwable e)
+		{
+			throw new RuntimeException(e);
+		}
 		#endif
 	}
 
+	
+	
+	//================//
+	// helper methods //
+	//================//
+	
+	private static boolean classPresent(String className)
+	{
+		try
+		{
+			Class.forName(className);
+			return true;
+		}
+		catch (ClassNotFoundException e)
+		{
+			return false;
+		}
+	}
+	
 }

fabric/src/main/resources/fabric.mod.json

@@ -56,7 +56,6 @@
     },
     
     "suggests": {
-        "blendium": "*"
     },
     
     "breaks": $fabric_incompatibility_list,

forge/src/main/java/com/seibel/distanthorizons/forge/ForgeClientProxy.java

@@ -27,6 +27,7 @@ import com.seibel.distanthorizons.core.api.internal.ClientApi;
 import com.seibel.distanthorizons.core.api.internal.SharedApi;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
+import com.seibel.distanthorizons.core.util.threading.ThreadPoolUtil;
 import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.IChunkWrapper;
 
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
@@ -65,6 +66,8 @@ import net.minecraftforge.event.TickEvent;
 import net.minecraftforge.eventbus.api.SubscribeEvent;
 import org.lwjgl.opengl.GL32;
 
+import java.util.concurrent.ThreadPoolExecutor;
+
 /**
  * This handles all events sent to the client,
  * and is the starting point for most of the mod.
@@ -144,7 +147,7 @@ public class ForgeClientProxy implements AbstractModInitializer.IEventProxy
 	#if MC_VER < MC_1_19_2
 	public void clientLevelUnloadEvent(WorldEvent.Unload event)
 	#else
-	public void clientLevelUnloadEvent(LevelEvent.Load event)
+	public void clientLevelUnloadEvent(LevelEvent.Unload event)
 	#endif
 	{
 		LOGGER.info("level unload");
@@ -173,61 +176,76 @@ public class ForgeClientProxy implements AbstractModInitializer.IEventProxy
 	@SubscribeEvent
 	public void rightClickBlockEvent(PlayerInteractEvent.RightClickBlock event)
 	{
-		if (SharedApi.isChunkAtBlockPosAlreadyUpdating(event.getPos().getX(), event.getPos().getZ()))
+		if (MC.clientConnectedToDedicatedServer())
 		{
-			return;
+			if (SharedApi.isChunkAtBlockPosAlreadyUpdating(event.getPos().getX(), event.getPos().getZ()))
+			{
+				return;
+			}
+			
+			//LOGGER.trace("interact or block place event at blockPos: " + event.getPos());
+			
+			#if MC_VER < MC_1_19_2
+			LevelAccessor level = event.getWorld();
+			#else
+			LevelAccessor level = event.getLevel();
+			#endif
+			
+			ThreadPoolExecutor executor = ThreadPoolUtil.getFileHandlerExecutor();
+			if (executor != null)
+			{
+				executor.execute(() ->
+				{
+					ChunkAccess chunk = level.getChunk(event.getPos());
+					this.onBlockChangeEvent(level, chunk);
+				});
+			}
 		}
-		
-		//LOGGER.trace("interact or block place event at blockPos: " + event.getPos());
-		
-		#if MC_VER < MC_1_19_2
-		LevelAccessor level = event.getWorld();
-		#else
-		LevelAccessor level = event.getLevel();
-		#endif
-		
-		ChunkAccess chunk = level.getChunk(event.getPos());
-		this.onBlockChangeEvent(level, chunk);
 	}
 	@SubscribeEvent
 	public void leftClickBlockEvent(PlayerInteractEvent.LeftClickBlock event)
 	{
-		if (SharedApi.isChunkAtBlockPosAlreadyUpdating(event.getPos().getX(), event.getPos().getZ()))
+		if (MC.clientConnectedToDedicatedServer())
 		{
-			return;
+			if (SharedApi.isChunkAtBlockPosAlreadyUpdating(event.getPos().getX(), event.getPos().getZ()))
+			{
+				return;
+			}
+			
+			//LOGGER.trace("break or block attack at blockPos: " + event.getPos());
+			
+			#if MC_VER < MC_1_19_2
+			LevelAccessor level = event.getWorld();
+			#else
+			LevelAccessor level = event.getLevel();
+			#endif
+			
+			ThreadPoolExecutor executor = ThreadPoolUtil.getFileHandlerExecutor();
+			if (executor != null)
+			{
+				executor.execute(() ->
+				{
+					ChunkAccess chunk = level.getChunk(event.getPos());
+					this.onBlockChangeEvent(level, chunk);
+				});
+			}
 		}
-		
-		//LOGGER.trace("break or block attack at blockPos: " + event.getPos());
-		
-		#if MC_VER < MC_1_19_2
-		LevelAccessor level = event.getWorld();
-		#else
-		LevelAccessor level = event.getLevel();
-		#endif
-		
-		ChunkAccess chunk = level.getChunk(event.getPos());
-		this.onBlockChangeEvent(level, chunk);
 	}
 	private void onBlockChangeEvent(LevelAccessor level, ChunkAccess chunk)
 	{
 		ILevelWrapper wrappedLevel = ProxyUtil.getLevelWrapper(level);
 		SharedApi.INSTANCE.chunkBlockChangedEvent(new ChunkWrapper(chunk, level, wrappedLevel), wrappedLevel);
 	}
-	
-	
+
 	@SubscribeEvent
 	public void clientChunkLoadEvent(ChunkEvent.Load event)
 	{
-		ILevelWrapper wrappedLevel = ProxyUtil.getLevelWrapper(GetEventLevel(event));
-		IChunkWrapper chunk = new ChunkWrapper(event.getChunk(), GetEventLevel(event), wrappedLevel);
-		SharedApi.INSTANCE.chunkLoadEvent(chunk, wrappedLevel);
-	}
-	@SubscribeEvent
-	public void clientChunkUnloadEvent(ChunkEvent.Unload event)
-	{
-		ILevelWrapper wrappedLevel = ProxyUtil.getLevelWrapper(GetEventLevel(event));
-		IChunkWrapper chunk = new ChunkWrapper(event.getChunk(), GetEventLevel(event), wrappedLevel);
-		SharedApi.INSTANCE.chunkUnloadEvent(chunk, wrappedLevel);
+		if (MC.clientConnectedToDedicatedServer())
+		{
+			ILevelWrapper wrappedLevel = ProxyUtil.getLevelWrapper(GetEventLevel(event));
+			IChunkWrapper chunk = new ChunkWrapper(event.getChunk(), GetEventLevel(event), wrappedLevel);
+			SharedApi.INSTANCE.chunkLoadEvent(chunk, wrappedLevel);
+		}
 	}
 	
 	

forge/src/main/java/com/seibel/distanthorizons/forge/ForgeMain.java

@@ -22,6 +22,8 @@ package com.seibel.distanthorizons.forge;
 import com.mojang.brigadier.CommandDispatcher;
 import com.seibel.distanthorizons.common.AbstractModInitializer;
 import com.seibel.distanthorizons.common.wrappers.gui.GetConfigScreen;
+import com.seibel.distanthorizons.core.api.internal.ClientApi;
+import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IModChecker;
 import com.seibel.distanthorizons.coreapi.ModInfo;
@@ -104,6 +106,20 @@ public class ForgeMain extends AbstractModInitializer
 		ModLoadingContext.get().registerExtensionPoint(ConfigScreenHandler.ConfigScreenFactory.class,
 				() -> new ConfigScreenHandler.ConfigScreenFactory((client, parent) -> GetConfigScreen.getScreen(parent)));
 		#endif
+		
+		
+		if (Config.Client.Advanced.Logging.showModCompatibilityWarningsOnStartup.get())
+		{
+			IModChecker modChecker = SingletonInjector.INSTANCE.get(IModChecker.class);
+			if (modChecker.isModLoaded("alexscaves"))
+			{
+				String message =
+						// orange text
+						"\u00A76" + "Distant Horizons: Alex's Cave detected." + "\u00A7r\n" +
+						"You may have to change Alex's config for DH to render. ";
+				ClientApi.INSTANCE.showChatMessageNextFrame(message);
+			}
+		}
 	}
 	
 	@Override

forge/src/main/java/com/seibel/distanthorizons/forge/ForgeServerProxy.java

@@ -137,14 +137,6 @@ public class ForgeServerProxy implements AbstractModInitializer.IEventProxy
 		IChunkWrapper chunk = new ChunkWrapper(event.getChunk(), GetEventLevel(event), levelWrapper);
 		this.serverApi.serverChunkLoadEvent(chunk, levelWrapper);
 	}
-	@SubscribeEvent
-	public void serverChunkSaveEvent(ChunkEvent.Unload event)
-	{
-		ILevelWrapper levelWrapper = ProxyUtil.getLevelWrapper(GetEventLevel(event));
-		
-		IChunkWrapper chunk = new ChunkWrapper(event.getChunk(), GetEventLevel(event), levelWrapper);
-		this.serverApi.serverChunkSaveEvent(chunk, levelWrapper);
-	}
 	
 	
 	

forge/src/main/java/com/seibel/distanthorizons/forge/mixins/client/MixinLevelRenderer.java

@@ -22,6 +22,10 @@ package com.seibel.distanthorizons.forge.mixins.client;
 import com.mojang.blaze3d.vertex.PoseStack;
 #if MC_VER < MC_1_19_4
 import com.mojang.math.Matrix4f;
+import net.minecraft.client.Camera;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.GameRenderer;
+import net.minecraft.client.renderer.LightTexture;
 #else
 import net.minecraft.client.Camera;
 import net.minecraft.client.Minecraft;
@@ -34,13 +38,9 @@ import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
 import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
 import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.api.internal.ClientApi;
-import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
-import net.minecraft.client.Camera;
-import net.minecraft.client.Minecraft;
+import com.seibel.distanthorizons.core.util.math.Mat4f;
 import net.minecraft.client.multiplayer.ClientLevel;
-import net.minecraft.client.renderer.GameRenderer;
 import net.minecraft.client.renderer.LevelRenderer;
-import net.minecraft.client.renderer.LightTexture;
 import net.minecraft.client.renderer.RenderType;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
@@ -50,7 +50,6 @@ import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 import javax.annotation.Nullable;
-import java.nio.FloatBuffer;
 
 #if MC_VER < MC_1_17_1
 import org.lwjgl.opengl.GL15;

forge/src/main/java/com/seibel/distanthorizons/forge/mixins/client/MixinMinecraft.java

@@ -73,11 +73,23 @@ public class MixinMinecraft
 				&& SelfUpdater.onStart()
 		)
 		{
-			runnable = () -> {
+			runnable = () -> 
+			{
+				String versionId;
+				EDhApiUpdateBranch updateBranch = EDhApiUpdateBranch.convertAutoToStableOrNightly(Config.Client.Advanced.AutoUpdater.updateBranch.get());
+				if (updateBranch == EDhApiUpdateBranch.STABLE)
+				{
+					versionId = ModrinthGetter.getLatestIDForVersion(SingletonInjector.INSTANCE.get(IVersionConstants.class).getMinecraftVersion());
+				}
+				else
+				{
+					versionId = GitlabGetter.INSTANCE.projectPipelines.get(0).get("sha");
+				}
+				
 				Minecraft.getInstance().setScreen(new UpdateModScreen(
 						// TODO: Change to runnable, instead of tittle screen
 						new TitleScreen(false), // We don't want to use the vanilla title screen as it would fade the buttons
-						(Config.Client.Advanced.AutoUpdater.updateBranch.get() == EDhApiUpdateBranch.STABLE ? ModrinthGetter.getLatestIDForVersion(SingletonInjector.INSTANCE.get(IVersionConstants.class).getMinecraftVersion()) : GitlabGetter.INSTANCE.projectPipelines.get(0).get("sha"))
+						versionId
 				));
 			};
 		}

forge/src/main/java/com/seibel/distanthorizons/forge/mixins/server/MixinChunkMap.java

@@ -0,0 +1,35 @@
+package com.seibel.distanthorizons.forge.mixins.server;
+
+import com.seibel.distanthorizons.common.commonMixins.MixinChunkMapCommon;
+import net.minecraft.server.level.ChunkMap;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.chunk.ChunkAccess;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(ChunkMap.class)
+public class MixinChunkMap
+{
+	
+	@Unique
+	private static final String CHUNK_SERIALIZER_WRITE
+			= "Lnet/minecraft/world/level/chunk/storage/ChunkSerializer;write(" +
+			"Lnet/minecraft/server/level/ServerLevel;Lnet/minecraft/world/level/chunk/ChunkAccess;)" +
+			"Lnet/minecraft/nbt/CompoundTag;";
+	
+	@Shadow
+	@Final
+	ServerLevel level;
+	
+	// firing at INVOKE causes issues with C2ME and is probably unnecessary since we
+	// don't need the chunk(s) before MC has finished saving them
+	@Inject(method = "save", at = @At(value = "RETURN", target = CHUNK_SERIALIZER_WRITE))
+	private void onChunkSave(ChunkAccess chunk, CallbackInfoReturnable<Boolean> ci)
+	{ MixinChunkMapCommon.onChunkSave(this.level, chunk, ci); }
+	
+}

forge/src/main/resources/DistantHorizons.forge.mixins.json

@@ -5,7 +5,8 @@
     "mixins": [
         "server.MixinUtilBackgroundThread",
         "server.MixinChunkGenerator",
-        "server.MixinTFChunkGenerator"
+        "server.MixinTFChunkGenerator",
+        "server.MixinChunkMap"
     ],
     "client": [
         "client.MixinClientPacketListener",

gradle.properties

@@ -5,8 +5,8 @@ org.gradle.caching=true
 
 # Mod Info
 mod_name=DistantHorizons
-mod_version=2.1.0-a
-api_version=2.0.0
+mod_version=2.2.1-a
+api_version=3.0.0
 maven_group=com.seibel.distanthorizons
 mod_readable_name=Distant Horizons
 mod_description=This mod generates and renders simplified terrain beyond the normal view distance at a low performance cost. Allowing you to see much farther without turning your game into a slideshow.
@@ -49,7 +49,7 @@ versionStr=
 
 # This defines what MC version Intellij will use for the preprocessor
 # and what version is used automatically by build and run commands
-mcVer=1.20.6
+mcVer=1.21.1
 
 # Defines the maximum amount of memory Minecraft is allowed when run in a development environment
 #minecraftMemoryJavaArg="-Xmx4G"

neoforge/build.gradle

@@ -11,43 +11,19 @@ architectury {
     neoForge()
 }
 
-// TODO this is already defined in the main settings.gradle file, why doesn't it work unless also defined here? (If compiling does work without this block feel free to remove)
-repositories {
-    maven {
-        name "Neoforge"
-        url "https://maven.neoforged.net/releases/"
-    }
-}
-
-//loom {
-//    forge {
-//        convertAccessWideners.set(true)
-//        extraAccessWideners.add("lod.accesswidener")
-//        mixinConfigs("DistantHorizons.mixins.json")
-//    }
-//}
-
 loom {
     silentMojangMappingsLicense() // Shut the licencing warning
     accessWidenerPath = project(":common").file("src/main/resources/${accessWidenerVersion}.distanthorizons.accesswidener")
 
     neoForge {
-        // Access wideners are now defined in the `remapJar.atAccessWideners`
-//        convertAccessWideners = true
-//        extraAccessWideners.add loom.accessWidenerPath.get().asFile.name
+        // Access wideners are defined in the `remapJar.atAccessWideners`
 
-        // Mixins are now defined in the `mods.toml`
-//        mixinConfigs = [
-//                "DistantHorizons.mixins.json"
-//        ]
+        // Mixins are defined in the `mods.toml`
     }
     mixin {
-        // Mixins are now defined in the `mods.toml`
-//        mixinConfigs = [
-//                "DistantHorizons.mixins.json"
-//        ]
+        // Mixins are defined in the `mods.toml`
     }
-
+    
     // "runs" isn't required, but when we do need it then it can be useful
     runs {
         client {
@@ -55,7 +31,7 @@ loom {
             setConfigName("NeoForge Client")
             ideConfigGenerated(true)
             runDir("../run")
-//            vmArgs("-XX:-OmitStackTraceInFastThrow", minecraftMemoryJavaArg)
+            //vmArgs("-XX:-OmitStackTraceInFastThrow", minecraftMemoryJavaArg)
         }
         server {
             server()
@@ -66,13 +42,7 @@ loom {
     }
 }
 
-remapJar {
-    inputFile = shadowJar.archiveFile
-    dependsOn shadowJar
-//    classifier null
 
-    atAccessWideners.add("distanthorizons.accesswidener")
-}
 
 def addMod(path, enabled) {
     if (enabled == "2")
@@ -80,21 +50,24 @@ def addMod(path, enabled) {
     else if (enabled == "1")
         dependencies { modCompileOnly(path) }
 }
-
 dependencies {
     minecraft "com.mojang:minecraft:${rootProject.minecraft_version}"
-    mappings loom.layered() {
+    mappings loom.layered() 
+    {
         // Mojmap mappings
         officialMojangMappings()
         // Parchment mappings (it adds parameter mappings & javadoc)
         parchment("org.parchmentmc.data:parchment-${rootProject.parchment_version}@zip")
     }
-
+    
+    
     // Neoforge
     neoForge "net.neoforged:neoforge:${rootProject.neoforge_version}"
     addMod("curse.maven:TerraFirmaCraft-302973:4616004", rootProject.enable_terrafirmacraft)
 }
 
+
+
 task deleteResources(type: Delete) {
     delete file("build/resources/main")
 }
@@ -113,14 +86,15 @@ tasks.named('runClient') {
     finalizedBy(deleteResources)
 }
 
+remapJar {
+    inputFile = shadowJar.archiveFile
+    dependsOn shadowJar
+
+    atAccessWideners.add("distanthorizons.accesswidener")
+}
+
 sourcesJar {
     def commonSources = project(":common").sourcesJar
     dependsOn commonSources
     from commonSources.archiveFile.map { zipTree(it) }
 }
-
-//components.java {
-//    withVariantsFromConfiguration(project.configurations.shadowRuntimeElements) {
-//        skip()
-//    }
-//}

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/NeoforgeClientProxy.java

@@ -28,14 +28,14 @@ import com.seibel.distanthorizons.core.api.internal.ClientApi;
 import com.seibel.distanthorizons.core.api.internal.SharedApi;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
+import com.seibel.distanthorizons.core.util.math.Mat4f;
+import com.seibel.distanthorizons.core.util.threading.ThreadPoolUtil;
 import com.seibel.distanthorizons.core.wrapperInterfaces.chunk.IChunkWrapper;
 
 import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
 import com.seibel.distanthorizons.core.wrapperInterfaces.world.ILevelWrapper;
 import com.seibel.distanthorizons.coreapi.ModInfo;
-//import io.netty.buffer.ByteBuf;
-import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
 import net.minecraft.world.level.LevelAccessor;
 
 import net.minecraft.client.multiplayer.ClientLevel;
@@ -63,6 +63,8 @@ import org.lwjgl.opengl.GL32;
 import net.neoforged.neoforge.event.TickEvent;
 #else
 import net.neoforged.neoforge.client.event.ClientTickEvent;
+
+import java.util.concurrent.ThreadPoolExecutor;
 #endif
 
 
@@ -140,7 +142,7 @@ public class NeoforgeClientProxy implements AbstractModInitializer.IEventProxy
 		ClientApi.INSTANCE.clientLevelLoadEvent(clientLevelWrapper);
 	}
 	@SubscribeEvent
-	public void clientLevelUnloadEvent(LevelEvent.Load event)
+	public void clientLevelUnloadEvent(LevelEvent.Unload event)
 	{
 		LOGGER.info("level unload");
 		
@@ -164,32 +166,56 @@ public class NeoforgeClientProxy implements AbstractModInitializer.IEventProxy
 	@SubscribeEvent
 	public void rightClickBlockEvent(PlayerInteractEvent.RightClickBlock event)
 	{
-		if (SharedApi.isChunkAtBlockPosAlreadyUpdating(event.getPos().getX(), event.getPos().getZ()))
+		if (MC.clientConnectedToDedicatedServer())
 		{
-			return;
+			if (SharedApi.isChunkAtBlockPosAlreadyUpdating(event.getPos().getX(), event.getPos().getZ()))
+			{
+				return;
+			}
+			
+			// executor to prevent locking up the render/event thread
+			// if the getChunk() takes longer than expected 
+			// (which can be caused by certain mods) 
+			ThreadPoolExecutor executor = ThreadPoolUtil.getFileHandlerExecutor();
+			if (executor != null)
+			{
+				executor.execute(() ->
+				{
+					//LOGGER.trace("interact or block place event at blockPos: " + event.getPos());
+					
+					LevelAccessor level = event.getLevel();
+					ChunkAccess chunk = level.getChunk(event.getPos());
+					this.onBlockChangeEvent(level, chunk);
+				});
+			}
 		}
-		
-		//LOGGER.trace("interact or block place event at blockPos: " + event.getPos());
-		
-		LevelAccessor level = event.getLevel();
-		
-		ChunkAccess chunk = level.getChunk(event.getPos());
-		this.onBlockChangeEvent(level, chunk);
 	}
 	@SubscribeEvent
 	public void leftClickBlockEvent(PlayerInteractEvent.LeftClickBlock event)
 	{
-		if (SharedApi.isChunkAtBlockPosAlreadyUpdating(event.getPos().getX(), event.getPos().getZ()))
+		if (MC.clientConnectedToDedicatedServer())
 		{
-			return;
+			if (SharedApi.isChunkAtBlockPosAlreadyUpdating(event.getPos().getX(), event.getPos().getZ()))
+			{
+				return;
+			}
+			
+			// executor to prevent locking up the render/event thread
+			// if the getChunk() takes longer than expected 
+			// (which can be caused by certain mods) 
+			ThreadPoolExecutor executor = ThreadPoolUtil.getFileHandlerExecutor();
+			if (executor != null)
+			{
+				executor.execute(() ->
+				{
+					//LOGGER.trace("break or block attack at blockPos: " + event.getPos());
+					
+					LevelAccessor level = event.getLevel();
+					ChunkAccess chunk = level.getChunk(event.getPos());
+					this.onBlockChangeEvent(level, chunk);
+				});
+			}
 		}
-		
-		//LOGGER.trace("break or block attack at blockPos: " + event.getPos());
-		
-		LevelAccessor level = event.getLevel();
-		
-		ChunkAccess chunk = level.getChunk(event.getPos());
-		this.onBlockChangeEvent(level, chunk);
 	}
 	private void onBlockChangeEvent(LevelAccessor level, ChunkAccess chunk)
 	{
@@ -198,22 +224,6 @@ public class NeoforgeClientProxy implements AbstractModInitializer.IEventProxy
 	}
 	
 	
-	@SubscribeEvent
-	public void clientChunkLoadEvent(ChunkEvent.Load event)
-	{
-		ILevelWrapper wrappedLevel = ProxyUtil.getLevelWrapper(GetEventLevel(event));
-		IChunkWrapper chunk = new ChunkWrapper(event.getChunk(), GetEventLevel(event), wrappedLevel);
-		SharedApi.INSTANCE.chunkLoadEvent(chunk, wrappedLevel);
-	}
-	@SubscribeEvent
-	public void clientChunkUnloadEvent(ChunkEvent.Unload event)
-	{
-		ILevelWrapper wrappedLevel = ProxyUtil.getLevelWrapper(GetEventLevel(event));
-		IChunkWrapper chunk = new ChunkWrapper(event.getChunk(), GetEventLevel(event), wrappedLevel);
-		SharedApi.INSTANCE.chunkUnloadEvent(chunk, wrappedLevel);
-	}
-	
-	
 	
 	//==============//
 	// key bindings //

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/NeoforgeMain.java

@@ -22,6 +22,8 @@ package com.seibel.distanthorizons.neoforge;
 import com.mojang.brigadier.CommandDispatcher;
 import com.seibel.distanthorizons.common.AbstractModInitializer;
 import com.seibel.distanthorizons.common.wrappers.gui.GetConfigScreen;
+import com.seibel.distanthorizons.core.api.internal.ClientApi;
+import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IModChecker;
 import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IOptifineAccessor;
@@ -83,6 +85,20 @@ public class NeoforgeMain extends AbstractModInitializer
 				// TODO fix potential null pointer
 				() -> (client, parent) -> GetConfigScreen.getScreen(parent));
 		#endif
+		
+		
+		if (Config.Client.Advanced.Logging.showModCompatibilityWarningsOnStartup.get())
+		{
+			IModChecker modChecker = SingletonInjector.INSTANCE.get(IModChecker.class);
+			if (modChecker.isModLoaded("alexscaves"))
+			{
+				String message =
+						// orange text
+						"\u00A76" + "Distant Horizons: Alex's Cave detected." + "\u00A7r\n" +
+						"You may have to change Alex's config for DH to render. ";
+				ClientApi.INSTANCE.showChatMessageNextFrame(message);
+			}
+		}
 	}
 	
 	@Override

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/NeoforgeServerProxy.java

@@ -122,14 +122,6 @@ public class NeoforgeServerProxy implements AbstractModInitializer.IEventProxy
 		IChunkWrapper chunk = new ChunkWrapper(event.getChunk(), GetEventLevel(event), levelWrapper);
 		this.serverApi.serverChunkLoadEvent(chunk, levelWrapper);
 	}
-	@SubscribeEvent
-	public void serverChunkSaveEvent(ChunkEvent.Unload event)
-	{
-		ILevelWrapper levelWrapper = ProxyUtil.getLevelWrapper(GetEventLevel(event));
-		
-		IChunkWrapper chunk = new ChunkWrapper(event.getChunk(), GetEventLevel(event), levelWrapper);
-		this.serverApi.serverChunkSaveEvent(chunk, levelWrapper);
-	}
 	
 	
 	

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/mixins/client/MixinLevelRenderer.java

@@ -24,6 +24,7 @@ import com.mojang.blaze3d.vertex.PoseStack;
 #if MC_VER < MC_1_19_4
 import com.mojang.math.Matrix4f;
 #else
+import com.seibel.distanthorizons.core.util.math.Mat4f;
 import com.seibel.distanthorizons.neoforge.NeoforgeClientProxy;
 import net.minecraft.client.Camera;
 import net.minecraft.client.Minecraft;
@@ -36,7 +37,6 @@ import com.seibel.distanthorizons.common.wrappers.chunk.ChunkWrapper;
 import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
 import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.api.internal.ClientApi;
-import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
 import net.minecraft.client.multiplayer.ClientLevel;
 import net.minecraft.client.renderer.LevelRenderer;
 import net.minecraft.client.renderer.RenderType;
@@ -98,7 +98,6 @@ public class MixinLevelRenderer
 	private void renderChunkLayer(RenderType renderType, double x, double y, double z, Matrix4f projectionMatrix, Matrix4f frustumMatrix, CallbackInfo callback)
 	#endif
 	{
-		// get MC's model view and projection matrices
 		#if MC_VER == MC_1_16_5
 		// get the matrices from the OpenGL fixed pipeline
 		float[] mcProjMatrixRaw = new float[16];
@@ -120,15 +119,21 @@ public class MixinLevelRenderer
 		#endif
 		
 		
+		float frameTime;
+		#if MC_VER < MC_1_21_1
+		frameTime = Minecraft.getInstance().getFrameTime();
+		#else
+		frameTime = Minecraft.getInstance().getTimer().getRealtimeDeltaTicks();
+		#endif
 		
 		// only render before solid blocks
 		if (renderType.equals(RenderType.solid()))
 		{
-			ClientApi.INSTANCE.renderLods(ClientLevelWrapper.getWrapper(this.level), mcModelViewMatrix, mcProjectionMatrix, Minecraft.getInstance().getFrameTime());
+			ClientApi.INSTANCE.renderLods(ClientLevelWrapper.getWrapper(this.level), mcModelViewMatrix, mcProjectionMatrix, frameTime);
 		} 
 		else if (renderType.equals(RenderType.translucent())) 
 		{
-			ClientApi.INSTANCE.renderDeferredLods(ClientLevelWrapper.getWrapper(this.level), mcModelViewMatrix, mcProjectionMatrix, Minecraft.getInstance().getFrameTime());
+			ClientApi.INSTANCE.renderDeferredLods(ClientLevelWrapper.getWrapper(this.level), mcModelViewMatrix, mcProjectionMatrix, frameTime);
 		}
 		
 		if (Config.Client.Advanced.Debugging.lodOnlyMode.get())
@@ -154,4 +159,5 @@ public class MixinLevelRenderer
 		ChunkWrapper.syncedUpdateClientLightStatus();
 	}
 	
+	
 }

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/mixins/client/MixinMinecraft.java

@@ -8,6 +8,7 @@ import com.seibel.distanthorizons.core.jar.installer.GitlabGetter;
 import com.seibel.distanthorizons.core.jar.installer.ModrinthGetter;
 import com.seibel.distanthorizons.core.jar.updater.SelfUpdater;
 import com.seibel.distanthorizons.core.wrapperInterfaces.IVersionConstants;
+import com.seibel.distanthorizons.coreapi.ModInfo;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.screens.TitleScreen;
 import org.spongepowered.asm.mixin.Mixin;
@@ -75,11 +76,23 @@ public class MixinMinecraft
 				&& SelfUpdater.onStart()
 		)
 		{
-			runnable = () -> {
+			runnable = () -> 
+			{
+				String versionId;
+				EDhApiUpdateBranch updateBranch = EDhApiUpdateBranch.convertAutoToStableOrNightly(Config.Client.Advanced.AutoUpdater.updateBranch.get());
+				if (updateBranch == EDhApiUpdateBranch.STABLE)
+				{
+					versionId = ModrinthGetter.getLatestIDForVersion(SingletonInjector.INSTANCE.get(IVersionConstants.class).getMinecraftVersion());
+				}
+				else
+				{
+					versionId = GitlabGetter.INSTANCE.projectPipelines.get(0).get("sha");
+				}
+				
 				Minecraft.getInstance().setScreen(new UpdateModScreen(
 						// TODO: Change to runnable, instead of tittle screen
 						new TitleScreen(false), // We don't want to use the vanilla title screen as it would fade the buttons
-						(Config.Client.Advanced.AutoUpdater.updateBranch.get() == EDhApiUpdateBranch.STABLE ? ModrinthGetter.getLatestIDForVersion(SingletonInjector.INSTANCE.get(IVersionConstants.class).getMinecraftVersion()) : GitlabGetter.INSTANCE.projectPipelines.get(0).get("sha"))
+						versionId
 				));
 			};
 		}

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/mixins/client/MixinOptionsScreen.java

@@ -23,16 +23,13 @@ import com.seibel.distanthorizons.common.wrappers.gui.GetConfigScreen;
 import com.seibel.distanthorizons.common.wrappers.gui.TexturedButtonWidget;
 import com.seibel.distanthorizons.coreapi.ModInfo;
 import com.seibel.distanthorizons.core.config.Config;
-import net.minecraft.client.gui.screens.OptionsScreen;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
 #if MC_VER < MC_1_19_2
 import net.minecraft.network.chat.TranslatableComponent;
 #endif
 import net.minecraft.resources.ResourceLocation;
-import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.Unique;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
@@ -41,11 +38,20 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 import java.util.Objects;
 import java.util.concurrent.atomic.AtomicInteger;
 
-#if MC_VER == MC_1_20_6
+#if MC_VER >= MC_1_20_6
 import net.minecraft.client.gui.layouts.LinearLayout;
 import net.minecraft.client.gui.layouts.HeaderAndFooterLayout;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Shadow;
 #endif
 
+#if MC_VER < MC_1_21_1
+import net.minecraft.client.gui.screens.OptionsScreen;
+#else
+import net.minecraft.client.gui.screens.options.OptionsScreen;
+#endif
+
+
 /**
  * Adds a button to the menu to goto the config
  *
@@ -57,13 +63,18 @@ public class MixinOptionsScreen extends Screen
 {
 	/** Texture used for the config opening button */
 	@Unique
-	private static final ResourceLocation ICON_TEXTURE = new ResourceLocation(ModInfo.ID, "textures/gui/button.png");
+	private static final ResourceLocation ICON_TEXTURE =
+		#if MC_VER < MC_1_21_1
+		new ResourceLocation(ModInfo.ID, "textures/gui/button.png");
+		#else
+			ResourceLocation.fromNamespaceAndPath(ModInfo.ID, "textures/gui/button.png");
+		#endif
 	
 	
 	@Unique
 	private TexturedButtonWidget optionsButton = null;
 	
-	#if MC_VER == MC_1_20_6
+	#if MC_VER >= MC_1_20_6
 	@Shadow
 	@Final
 	protected HeaderAndFooterLayout layout;
@@ -93,7 +104,6 @@ public class MixinOptionsScreen extends Screen
 			
 			// add the button to the correct location in the UI
 			// TODO is there a better way to do this instead of using access transformers to inject into the exact UI elements?
-			// TODO is there a way we can put the button on the left side of the FOV bar like before?
 			LinearLayout layout = (LinearLayout) this.layout.headerFrame.children.get(0).child;
 			
 			// determine how wide the other option buttons are so we can put our botton to the left of them all

neoforge/src/main/java/com/seibel/distanthorizons/neoforge/mixins/server/MixinChunkMap.java

@@ -0,0 +1,35 @@
+package com.seibel.distanthorizons.neoforge.mixins.server;
+
+import com.seibel.distanthorizons.common.commonMixins.MixinChunkMapCommon;
+import net.minecraft.server.level.ChunkMap;
+import net.minecraft.server.level.ServerLevel;
+import net.minecraft.world.level.chunk.ChunkAccess;
+import org.spongepowered.asm.mixin.Final;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(ChunkMap.class)
+public class MixinChunkMap
+{
+	
+	@Unique
+	private static final String CHUNK_SERIALIZER_WRITE
+			= "Lnet/minecraft/world/level/chunk/storage/ChunkSerializer;write(" +
+			"Lnet/minecraft/server/level/ServerLevel;Lnet/minecraft/world/level/chunk/ChunkAccess;)" +
+			"Lnet/minecraft/nbt/CompoundTag;";
+	
+	@Shadow
+	@Final
+	ServerLevel level;
+	
+	// firing at INVOKE causes issues with C2ME and is probably unnecessary since we
+	// don't need the chunk(s) before MC has finished saving them
+	@Inject(method = "save", at = @At(value = "RETURN", target = CHUNK_SERIALIZER_WRITE))
+	private void onChunkSave(ChunkAccess chunk, CallbackInfoReturnable<Boolean> ci)
+	{ MixinChunkMapCommon.onChunkSave(this.level, chunk, ci); }
+	
+}

neoforge/src/main/resources/DistantHorizons.neoforge.mixins.json

@@ -5,7 +5,8 @@
     "mixins": [
         "server.MixinUtilBackgroundThread",
         "server.MixinChunkGenerator",
-        "server.MixinTFChunkGenerator"
+        "server.MixinTFChunkGenerator",
+        "server.MixinChunkMap"
     ],
     "client": [
         "client.MixinClientPacketListener",

versionProperties/1.20.1.properties

@@ -20,7 +20,7 @@ fabric_api_version=0.90.4+1.20.1
     immersive_portals_version=
     canvas_version=
     
-    fabric_incompatibility_list={ "iris": "<=1.6.20" }
+    fabric_incompatibility_list={ "iris": "<=1.7.4" }
     fabric_recommend_list={}
     
     # Fabric mod run

versionProperties/1.20.2.properties

@@ -20,7 +20,7 @@ fabric_api_version=0.90.4+1.20.2
     immersive_portals_version=
     canvas_version=
     
-    fabric_incompatibility_list={ "iris": "<=1.6.20" }
+    fabric_incompatibility_list={ "iris": "<=1.7.4" }
     fabric_recommend_list={}
     
     # Fabric mod run

versionProperties/1.20.4.properties

@@ -21,7 +21,7 @@ fabric_api_version=0.91.2+1.20.4
     immersive_portals_version=
     canvas_version=
     
-    fabric_incompatibility_list={ "iris": "<=1.6.20" }
+    fabric_incompatibility_list={ "iris": "<=1.7.4" }
     fabric_recommend_list={}
     
     # Fabric mod run

versionProperties/1.20.6.properties

@@ -21,7 +21,7 @@ fabric_api_version=0.97.8+1.20.6
     immersive_portals_version=
     canvas_version=
     
-    fabric_incompatibility_list={ "iris": "<=1.6.20" }
+    fabric_incompatibility_list={ "iris": "<=1.7.4" }
     fabric_recommend_list={}
     
     # Fabric mod run

versionProperties/1.21.1.properties

@@ -0,0 +1,53 @@
+# 1.21.1 version
+java_version=21
+minecraft_version=1.21.1
+parchment_version=1.20.6:2024.05.01
+compatible_minecraft_versions=["1.21", "1.21.1"]
+accessWidenerVersion=1_20_6
+builds_for=fabric,neoforge
+# forge is broken due to gradle/build script issues
+
+# Fabric loader
+fabric_loader_version=0.15.11
+fabric_api_version=0.100.1+1.21
+    # Fabric mod versions
+    modmenu_version=11.0.0-beta.1
+    starlight_version_fabric=
+    phosphor_version_fabric=
+    lithium_version=
+    sodium_version=mc1.21-0.5.9
+    iris_version=1.7.1+1.21
+    bclib_version=
+    immersive_portals_version=
+    canvas_version=
+    
+    fabric_incompatibility_list={ "iris": "<=1.7.4" }
+    fabric_recommend_list={}
+    
+    # Fabric mod run
+    # 0 = Don't enable and don't run
+    # 1 = Can be referenced in code but doesn't run
+    # 2 = Can be referenced in code and runs in client
+    enable_starlight=0
+    enable_phosphor=0
+    enable_sodium=1
+    enable_lithium=0
+    enable_iris=1
+    enable_bclib=0
+    enable_immersive_portals=0
+    enable_canvas=0
+
+# (Neo)Forge loader
+forge_version=
+neoforge_version=21.1.6
+    # (Neo)Forge mod versions
+    starlight_version_forge=
+    terraforged_version=
+
+    # (Neo)Forge mod run
+    # 0 = Don't enable and don't run
+    # 1 = Can be referenced in code but doesn't run
+    # 2 = Can be referenced in code and runs in client
+    enable_starlight_forge=0
+    enable_terraforged=0
+    enable_terrafirmacraft=0