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Use OpenGL BufferStorage to improve upload performance

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I need to change how the memory is determined, right now they fill to the maximum amount; which is very bad and only for testing.
This commit is contained in:
James Seibel
2021-10-07 20:59:45 -05:00
parent f6ea990ab0
commit ee58f3d9dc
6 changed files with 415 additions and 509 deletions
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src/main/java/com/seibel/lod/render/LodRenderer.java
+249 -243
View File
@@ -50,9 +50,7 @@ import net.minecraft.client.renderer.ActiveRenderInfo;
import net.minecraft.client.renderer.FogRenderer;
import net.minecraft.client.renderer.GameRenderer;
import net.minecraft.client.renderer.texture.NativeImage;
import net.minecraft.client.renderer.vertex.DefaultVertexFormats;
import net.minecraft.client.renderer.vertex.VertexBuffer;
import net.minecraft.client.renderer.vertex.VertexFormat;
import net.minecraft.profiler.IProfiler;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.ChunkPos;
@@ -65,7 +63,7 @@ import net.minecraft.util.math.vector.Vector3d;
* This is where LODs are draw to the world.
*
* @author James Seibel
* @version 10-2-2021
* @version 10-7-2021
*/
public class LodRenderer
{
@@ -74,39 +72,39 @@ public class LodRenderer
* it should be something different than what is used by Minecraft
*/
private static final int LOD_GL_LIGHT_NUMBER = GL11.GL_LIGHT2;
/**
* If true the LODs colors will be replaced with
* a checkerboard, this can be used for debugging.
*/
public DebugMode previousDebugMode = DebugMode.OFF;
private MinecraftWrapper mc;
private GameRenderer gameRender;
private IProfiler profiler;
private int farPlaneBlockDistance;
/**
* This is used to generate the buildable buffers
*/
/** This is used to generate the buildable buffers */
private LodBufferBuilder lodBufferBuilder;
/**
* Each VertexBuffer represents 1 region
*/
/** Each VertexBuffer represents 1 region */
private VertexBuffer[][][] vbos;
public static final VertexFormat LOD_VERTEX_FORMAT = DefaultVertexFormats.POSITION_COLOR;
private ChunkPos vbosCenter = new ChunkPos(0, 0);
/**
* This is used to determine if the LODs should be regenerated
/**
* the OpenGL IDs for the vbos of the same indices.
* These have to be separate because we can't override the
* buffers in the VBOs (and we don't want too)
*/
private int[][] storageBufferIds;
private ChunkPos vbosCenter = new ChunkPos(0, 0);
/** This is used to determine if the LODs should be regenerated */
private int[] previousPos = new int[]{0, 0, 0};
public NativeImage lightMap = null;
// these variables are used to determine if the buffers should be rebuilt
private long prevDayTime = 0;
private double prevBrightness = 0;
@@ -114,37 +112,42 @@ public class LodRenderer
private long prevPlayerPosTime = 0;
private long prevVanillaChunkTime = 0;
private long prevChunkTime = 0;
/**
* This is used to determine if the LODs should be regenerated
*/
/** This is used to determine if the LODs should be regenerated */
private FogDistance prevFogDistance = FogDistance.NEAR_AND_FAR;
/**
* if this is true the LOD buffers should be regenerated,
* provided they aren't already being regenerated.
*/
private volatile boolean partialRegen = false;
private volatile boolean fullRegen = true;
/**
* This HashSet contains every chunk that Vanilla Minecraft
* is going to render
*/
public boolean[][] vanillaRenderedChunks;
public boolean vanillaRenderedChunksChanged;
public LodRenderer(LodBufferBuilder newLodNodeBufferBuilder)
{
mc = MinecraftWrapper.INSTANCE;
gameRender = mc.getGameRenderer();
lodBufferBuilder = newLodNodeBufferBuilder;
}
/**
* Besides drawing the LODs this method also starts
* the async process of generating the Buffers that hold those LODs.
@@ -153,6 +156,7 @@ public class LodRenderer
* @param mcMatrixStack This matrix stack should come straight from MC's renderChunkLayer (or future equivalent) method
* @param partialTicks how far into the current tick this method was called.
*/
@SuppressWarnings("deprecation")
public void drawLODs(LodDimension lodDim, MatrixStack mcMatrixStack, float partialTicks, IProfiler newProfiler)
{
if (lodDim == null)
@@ -161,24 +165,24 @@ public class LodRenderer
// don't try drawing anything
return;
}
//===============//
// initial setup //
//===============//
profiler = newProfiler;
profiler.push("LOD setup");
// TODO move the buffer regeneration logic into its own class (probably called in the client proxy instead)
// starting here...
determineIfLodsShouldRegenerate(lodDim);
//=================//
// create the LODs //
//=================//
// only regenerate the LODs if:
// 1. we want to regenerate LODs
// 2. we aren't already regenerating the LODs
@@ -188,34 +192,34 @@ public class LodRenderer
{
// generate the LODs on a separate thread to prevent stuttering or freezing
lodBufferBuilder.generateLodBuffersAsync(this, lodDim, mc.getPlayer().blockPosition(), true);
// the regen process has been started,
// it will be done when lodBufferBuilder.newBuffersAvaliable()
// is true
fullRegen = false;
partialRegen = false;
}
// TODO move the buffer regeneration logic into its own class (probably called in the client proxy instead)
// ...ending here
if (lodBufferBuilder.newBuffersAvaliable())
{
swapBuffers();
}
//===========================//
// GL settings for rendering //
//===========================//
// set the required open GL settings
if (LodConfig.CLIENT.debugging.debugMode.get() == DebugMode.SHOW_DETAIL_WIREFRAME)
GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_LINE);
else
GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_FILL);
GL11.glDisable(GL11.GL_TEXTURE_2D);
GL11.glEnable(GL11.GL_CULL_FACE);
GL11.glEnable(GL11.GL_COLOR_MATERIAL);
@@ -228,7 +232,7 @@ public class LodRenderer
// disable the lights Minecraft uses
GL11.glDisable(GL11.GL_LIGHT0);
GL11.glDisable(GL11.GL_LIGHT1);
// get the default projection matrix so we can
// reset it after drawing the LODs
float[] mcProjMatrixRaw = new float[16];
@@ -237,43 +241,43 @@ public class LodRenderer
// OpenGl outputs their matricies in col,row form instead of row,col
// (or maybe vice versa I have no idea :P)
mcProjectionMatrix.transpose();
Matrix4f modelViewMatrix = offsetTheModelViewMatrix(mcMatrixStack, partialTicks);
// required for setupFog and setupProjectionMatrix
farPlaneBlockDistance = LodConfig.CLIENT.graphics.lodChunkRenderDistance.get() * LodUtil.CHUNK_WIDTH;
setupProjectionMatrix(mcProjectionMatrix, partialTicks);
// commented out until we can add shaders to handle lighting
//setupLighting(lodDim, partialTicks);
NearFarFogSettings fogSettings = determineFogSettings();
// determine the current fog settings so they can be
// reset after drawing the LODs
float defaultFogStartDist = GL11.glGetFloat(GL11.GL_FOG_START);
float defaultFogEndDist = GL11.glGetFloat(GL11.GL_FOG_END);
int defaultFogMode = GL11.glGetInteger(GL11.GL_FOG_MODE);
int defaultFogDistance = GL11.glGetInteger(NVFogDistance.GL_FOG_DISTANCE_MODE_NV);
//===========//
// rendering //
//===========//
profiler.popPush("LOD draw");
if (vbos != null)
{
ActiveRenderInfo renderInfo = mc.getGameRenderer().getMainCamera();
Vector3d cameraDir = new Vector3d(renderInfo.getLookVector());
boolean cullingDisabled = LodConfig.CLIENT.graphics.disableDirectionalCulling.get();
// used to determine what type of fog to render
int halfWidth = vbos.length / 2;
int quarterWidth = vbos.length / 4;
for (int x = 0; x < vbos.length; x++)
{
for (int z = 0; z < vbos.length; z++)
@@ -285,24 +289,24 @@ public class LodRenderer
setupFog(fogSettings.near.distance, fogSettings.near.quality);
else
setupFog(fogSettings.far.distance, fogSettings.far.quality);
for (int i = 0; i < lodBufferBuilder.bufferSize[x][z]; i++)
for (int i = 0; i < lodBufferBuilder.bufferCount[x][z]; i++)
{
sendLodsToGpuAndDraw(vbos[x][z][i], modelViewMatrix);
sendLodsToGpuAndDraw(vbos[x][z][i], storageBufferIds[x][z], modelViewMatrix);
}
}
}
}
}
//=========//
// cleanup //
//=========//
profiler.popPush("LOD cleanup");
GL11.glPolygonMode(GL11.GL_FRONT_AND_BACK, GL11.GL_FILL);
GL11.glEnable(GL11.GL_TEXTURE_2D);
GL11.glDisable(LOD_GL_LIGHT_NUMBER);
@@ -311,48 +315,48 @@ public class LodRenderer
GL11.glEnable(GL11.GL_LIGHT0);
GL11.glEnable(GL11.GL_LIGHT1);
RenderSystem.disableLighting();
// reset the fog settings so the normal chunks
// will be drawn correctly
cleanupFog(fogSettings, defaultFogStartDist, defaultFogEndDist, defaultFogMode, defaultFogDistance);
// reset the projection matrix so anything drawn after
// the LODs will use the correct projection matrix
gameRender.resetProjectionMatrix(mcProjectionMatrix);
// clear the depth buffer so anything drawn is drawn
// over the LODs
GL11.glClear(GL11.GL_DEPTH_BUFFER_BIT);
// end of internal LOD profiling
profiler.pop();
}
/**
* This is where the actual drawing happens.
*/
private void sendLodsToGpuAndDraw(VertexBuffer vbo, Matrix4f modelViewMatrix)
private void sendLodsToGpuAndDraw(VertexBuffer vbo, int bufferStorageId, Matrix4f modelViewMatrix)
{
if (vbo == null)
return;
GL15C.glBindBuffer(GL15.GL_ARRAY_BUFFER, vbo.id);
GL15C.glBindBuffer(GL15.GL_ARRAY_BUFFER, bufferStorageId);
// 0L is the starting pointer
LOD_VERTEX_FORMAT.setupBufferState(0L);
LodUtil.LOD_VERTEX_FORMAT.setupBufferState(0L);
vbo.draw(modelViewMatrix, GL11.GL_QUADS);
GL15C.glBindBuffer(GL15.GL_ARRAY_BUFFER, 0);
LOD_VERTEX_FORMAT.clearBufferState();
LodUtil.LOD_VERTEX_FORMAT.clearBufferState();
}
//=================//
// Setup Functions //
//=================//
@SuppressWarnings("deprecation")
private void setupFog(FogDistance fogDistance, FogQuality fogQuality)
{
@@ -362,12 +366,12 @@ public class LodRenderer
RenderSystem.disableFog();
return;
}
if (fogDistance == FogDistance.NEAR_AND_FAR)
{
throw new IllegalArgumentException("setupFog doesn't accept the NEAR_AND_FAR fog distance.");
}
// determine the fog distance mode to use
int glFogDistanceMode;
if (fogQuality == FogQuality.FANCY)
@@ -379,7 +383,7 @@ public class LodRenderer
// fast fog (frustum distance based fog)
glFogDistanceMode = NVFogDistance.GL_EYE_PLANE_ABSOLUTE_NV;
}
// the multipliers are percentages
// of the regular view distance.
if (fogDistance == FogDistance.FAR)
@@ -388,7 +392,7 @@ public class LodRenderer
// is because we are using fog backwards to how
// it is normally used, with it hiding near objects
// instead of far objects.
if (fogQuality == FogQuality.FANCY)
{
// for more realistic fog when using FAR
@@ -421,37 +425,38 @@ public class LodRenderer
RenderSystem.fogStart(mc.getRenderDistance() * 16 * 1.5f);
}
}
GL11.glEnable(GL11.GL_FOG);
RenderSystem.enableFog();
RenderSystem.setupNvFogDistance();
RenderSystem.fogMode(GlStateManager.FogMode.LINEAR);
GL11.glFogi(NVFogDistance.GL_FOG_DISTANCE_MODE_NV, glFogDistanceMode);
}
/**
* Revert any changes that were made to the fog.
*/
@SuppressWarnings("deprecation")
private void cleanupFog(NearFarFogSettings fogSettings,
float defaultFogStartDist, float defaultFogEndDist,
int defaultFogMode, int defaultFogDistance)
float defaultFogStartDist, float defaultFogEndDist,
int defaultFogMode, int defaultFogDistance)
{
RenderSystem.fogStart(defaultFogStartDist);
RenderSystem.fogEnd(defaultFogEndDist);
RenderSystem.fogMode(defaultFogMode);
GL11.glFogi(NVFogDistance.GL_FOG_DISTANCE_MODE_NV, defaultFogDistance);
// disable fog if Minecraft wasn't rendering fog
// but we were
if (!fogSettings.vanillaIsRenderingFog &&
(fogSettings.near.quality != FogQuality.OFF ||
fogSettings.far.quality != FogQuality.OFF))
(fogSettings.near.quality != FogQuality.OFF ||
fogSettings.far.quality != FogQuality.OFF))
{
GL11.glDisable(GL11.GL_FOG);
}
}
/**
* Translate the camera relative to the LodDimension's center,
* this is done since all LOD buffers are created in world space
@@ -463,12 +468,12 @@ public class LodRenderer
{
// duplicate the last matrix
mcMatrixStack.pushPose();
// get all relevant camera info
ActiveRenderInfo renderInfo = mc.getGameRenderer().getMainCamera();
Vector3d projectedView = renderInfo.getPosition();
// translate the camera relative to the regions' center
// (AxisAlignedBoundingBoxes (LODs) use doubles and thus have a higher
// accuracy vs the model view matrix, which only uses floats)
@@ -477,17 +482,17 @@ public class LodRenderer
double xDiff = eyePos.x - bufferPos.getX();
double zDiff = eyePos.z - bufferPos.getZ();
mcMatrixStack.translate(-xDiff, -projectedView.y, -zDiff);
// get the modified model view matrix
Matrix4f lodModelViewMatrix = mcMatrixStack.last().pose();
// remove the lod ModelViewMatrix
mcMatrixStack.popPose();
return lodModelViewMatrix;
}
/**
* James added this to test if Vivecraft is not using
* the MC FOV setting or if the problem is deeper
@@ -498,17 +503,17 @@ public class LodRenderer
MC_USE_FOV(false, true),
NEITHER(false, false),
BOTH(true, true);
boolean lodProjUseFov;
boolean defaultMcProjUseFov;
private FovTest(boolean newLodProjUseFov, boolean newDefaultMcProjUseFov)
{
lodProjUseFov = newLodProjUseFov;
defaultMcProjUseFov = newDefaultMcProjUseFov;
}
}
/**
* create a new projection matrix and send it over to the GPU
*
@@ -524,33 +529,33 @@ public class LodRenderer
(float) this.mc.getWindow().getScreenWidth() / (float) this.mc.getWindow().getScreenHeight(),
mc.getRenderDistance() / 2,
farPlaneBlockDistance * LodUtil.CHUNK_WIDTH * 2 / 4);
// get Minecraft's un-edited projection matrix
// (this is before it is zoomed, distorted, etc.)
Matrix4f defaultMcProj = mc.getGameRenderer().getProjectionMatrix(mc.getGameRenderer().getMainCamera(), partialTicks, LodConfig.CLIENT.graphics.useFovSetting.get().defaultMcProjUseFov);
// true here means use "use fov setting" (probably)
// this logic strips away the defaultMcProj matrix so we
// can get the distortionMatrix, which represents all
// transformations, zooming, distortions, etc. done
// to Minecraft's Projection matrix
Matrix4f defaultMcProjInv = defaultMcProj.copy();
defaultMcProjInv.invert();
Matrix4f distortionMatrix = defaultMcProjInv.copy();
distortionMatrix.multiply(currentProjectionMatrix);
// edit the lod projection to match Minecraft's
// (so the LODs line up with the real world)
lodPoj.multiply(distortionMatrix);
// send the projection over to the GPU
gameRender.resetProjectionMatrix(lodPoj);
}
/**
* setup the lighting to be used for the LODs
*/
@@ -593,7 +598,7 @@ public class LodRenderer
RenderSystem.enableLighting();
}*/
/**
* Create all buffers that will be used.
*/
@@ -601,12 +606,12 @@ public class LodRenderer
{
lodBufferBuilder.setupBuffers(lodDim);
}
//======================//
// Other Misc Functions //
//======================//
/**
* If this is called then the next time "drawLODs" is called
* the LODs will be regenerated; the same as if the player moved.
@@ -615,8 +620,8 @@ public class LodRenderer
{
fullRegen = true;
}
/**
* Replace the current Vertex Buffers with the newly
* created buffers from the lodBufferBuilder. <br><br>
@@ -630,9 +635,10 @@ public class LodRenderer
// the newly created buffers from the lodBufferBuilder
VertexBuffersAndOffset result = lodBufferBuilder.getVertexBuffers();
vbos = result.vbos;
storageBufferIds = result.storageBufferIds;
vbosCenter = result.drawableCenterChunkPos;
}
/**
* Calls the BufferBuilder's destroyBuffers method.
*/
@@ -640,143 +646,143 @@ public class LodRenderer
{
lodBufferBuilder.destroyBuffers();
}
private double getFov(float partialTicks, boolean useFovSetting)
{
return mc.getGameRenderer().getFov(mc.getGameRenderer().getMainCamera(), partialTicks, useFovSetting);
}
/**
* Return what fog settings should be used when rendering.
*/
private NearFarFogSettings determineFogSettings()
{
NearFarFogSettings fogSettings = new NearFarFogSettings();
FogQuality quality = ReflectionHandler.INSTANCE.getFogQuality();
FogDrawOverride override = LodConfig.CLIENT.graphics.fogDrawOverride.get();
fogSettings.vanillaIsRenderingFog = quality != FogQuality.OFF;
// use any fog overrides the user may have set
switch (override)
{
case ALWAYS_DRAW_FOG_FANCY:
quality = FogQuality.FANCY;
break;
case NEVER_DRAW_FOG:
quality = FogQuality.OFF;
break;
case ALWAYS_DRAW_FOG_FAST:
quality = FogQuality.FAST;
break;
case USE_OPTIFINE_FOG_SETTING:
// don't override anything
break;
case ALWAYS_DRAW_FOG_FANCY:
quality = FogQuality.FANCY;
break;
case NEVER_DRAW_FOG:
quality = FogQuality.OFF;
break;
case ALWAYS_DRAW_FOG_FAST:
quality = FogQuality.FAST;
break;
case USE_OPTIFINE_FOG_SETTING:
// don't override anything
break;
}
// only use fancy fog if the user's GPU can deliver
if (!GlProxy.getInstance().fancyFogAvailable && quality == FogQuality.FANCY)
{
quality = FogQuality.FAST;
}
// how different distances are drawn depends on the quality set
switch (quality)
{
case FANCY:
fogSettings.near.quality = FogQuality.FANCY;
fogSettings.far.quality = FogQuality.FANCY;
switch (LodConfig.CLIENT.graphics.fogDistance.get())
{
case NEAR_AND_FAR:
fogSettings.near.distance = FogDistance.NEAR;
fogSettings.far.distance = FogDistance.FAR;
break;
case NEAR:
fogSettings.near.distance = FogDistance.NEAR;
fogSettings.far.distance = FogDistance.NEAR;
break;
case FAR:
fogSettings.near.distance = FogDistance.FAR;
fogSettings.far.distance = FogDistance.FAR;
break;
}
case FANCY:
fogSettings.near.quality = FogQuality.FANCY;
fogSettings.far.quality = FogQuality.FANCY;
switch (LodConfig.CLIENT.graphics.fogDistance.get())
{
case NEAR_AND_FAR:
fogSettings.near.distance = FogDistance.NEAR;
fogSettings.far.distance = FogDistance.FAR;
break;
case FAST:
fogSettings.near.quality = FogQuality.FAST;
fogSettings.far.quality = FogQuality.FAST;
// fast fog setting should only have one type of
// fog, since the LODs are separated into a near
// and far portion; and fast fog is rendered from the
// frustrum's perspective instead of the camera
switch (LodConfig.CLIENT.graphics.fogDistance.get())
{
case NEAR_AND_FAR:
fogSettings.near.distance = FogDistance.NEAR;
fogSettings.far.distance = FogDistance.NEAR;
break;
case NEAR:
fogSettings.near.distance = FogDistance.NEAR;
fogSettings.far.distance = FogDistance.NEAR;
break;
case FAR:
fogSettings.near.distance = FogDistance.FAR;
fogSettings.far.distance = FogDistance.FAR;
break;
}
case NEAR:
fogSettings.near.distance = FogDistance.NEAR;
fogSettings.far.distance = FogDistance.NEAR;
break;
case OFF:
fogSettings.near.quality = FogQuality.OFF;
fogSettings.far.quality = FogQuality.OFF;
case FAR:
fogSettings.near.distance = FogDistance.FAR;
fogSettings.far.distance = FogDistance.FAR;
break;
}
break;
case FAST:
fogSettings.near.quality = FogQuality.FAST;
fogSettings.far.quality = FogQuality.FAST;
// fast fog setting should only have one type of
// fog, since the LODs are separated into a near
// and far portion; and fast fog is rendered from the
// frustrum's perspective instead of the camera
switch (LodConfig.CLIENT.graphics.fogDistance.get())
{
case NEAR_AND_FAR:
fogSettings.near.distance = FogDistance.NEAR;
fogSettings.far.distance = FogDistance.NEAR;
break;
case NEAR:
fogSettings.near.distance = FogDistance.NEAR;
fogSettings.far.distance = FogDistance.NEAR;
break;
case FAR:
fogSettings.near.distance = FogDistance.FAR;
fogSettings.far.distance = FogDistance.FAR;
break;
}
break;
case OFF:
fogSettings.near.quality = FogQuality.OFF;
fogSettings.far.quality = FogQuality.OFF;
break;
}
return fogSettings;
}
/**
* Determines if the LODs should have a fullRegen or partialRegen
*/
private void determineIfLodsShouldRegenerate(LodDimension lodDim)
{
short chunkRenderDistance = (short) mc.getRenderDistance();
int vanillaRenderedChunksWidth = chunkRenderDistance * 2 + 2;
//=============//
// full regens //
//=============//
// check if the view distance changed
if (ClientProxy.previousLodRenderDistance != LodConfig.CLIENT.graphics.lodChunkRenderDistance.get()
|| chunkRenderDistance != prevRenderDistance
|| prevFogDistance != LodConfig.CLIENT.graphics.fogDistance.get())
|| chunkRenderDistance != prevRenderDistance
|| prevFogDistance != LodConfig.CLIENT.graphics.fogDistance.get())
{
vanillaRenderedChunks = new boolean[vanillaRenderedChunksWidth][vanillaRenderedChunksWidth];
DetailDistanceUtil.updateSettings();
fullRegen = true;
@@ -784,25 +790,25 @@ public class LodRenderer
prevFogDistance = LodConfig.CLIENT.graphics.fogDistance.get();
prevRenderDistance = chunkRenderDistance;
}
// did the user change the debug setting?
if (LodConfig.CLIENT.debugging.debugMode.get() != previousDebugMode)
{
previousDebugMode = LodConfig.CLIENT.debugging.debugMode.get();
fullRegen = true;
}
long newTime = System.currentTimeMillis();
if (LodConfig.CLIENT.graphics.detailDropOff.get() == DetailDropOff.FANCY)
{
// check if the player has moved
if (newTime - prevPlayerPosTime > LodConfig.CLIENT.buffers.bufferRebuildPlayerMoveTimeout.get())
{
if (LevelPosUtil.getDetailLevel(previousPos) == 0
|| mc.getPlayer().xChunk != LevelPosUtil.getPosX(previousPos)
|| mc.getPlayer().zChunk != LevelPosUtil.getPosZ(previousPos))
|| mc.getPlayer().xChunk != LevelPosUtil.getPosX(previousPos)
|| mc.getPlayer().zChunk != LevelPosUtil.getPosZ(previousPos))
{
vanillaRenderedChunks = new boolean[vanillaRenderedChunksWidth][vanillaRenderedChunksWidth];
fullRegen = true;
@@ -811,13 +817,13 @@ public class LodRenderer
prevPlayerPosTime = newTime;
}
}
//================//
// partial regens //
//================//
// check if the vanilla rendered chunks changed
if (newTime - prevVanillaChunkTime > LodConfig.CLIENT.buffers.bufferRebuildChunkChangeTimeout.get())
{
@@ -825,12 +831,12 @@ public class LodRenderer
{
partialRegen = true;
vanillaRenderedChunksChanged = false;
}
prevVanillaChunkTime = newTime;
}
// check if there is any newly generated terrain to show
if (newTime - prevChunkTime > LodConfig.CLIENT.buffers.bufferRebuildLodChangeTimeout.get())
{
@@ -841,7 +847,7 @@ public class LodRenderer
}
prevChunkTime = newTime;
}
// check if the lighting has changed
if (mc.getClientWorld().getDayTime() - prevDayTime > 1000 || mc.getOptions().gamma != prevBrightness || lightMap == null)
{
@@ -850,12 +856,12 @@ public class LodRenderer
prevBrightness = mc.getOptions().gamma;
prevDayTime = mc.getClientWorld().getDayTime();
}
//==============//
// LOD skipping //
//==============//
// determine which LODs should not be rendered close to the player
HashSet<ChunkPos> chunkPosToSkip = LodUtil.getNearbyLodChunkPosToSkip(lodDim, mc.getPlayer().blockPosition());
int xIndex;
@@ -864,12 +870,12 @@ public class LodRenderer
{
xIndex = (pos.x - mc.getPlayer().xChunk) + (chunkRenderDistance + 1);
zIndex = (pos.z - mc.getPlayer().zChunk) + (chunkRenderDistance + 1);
// sometimes we are given chunks that are outside the render distance,
// This prevents index out of bounds exceptions
if (xIndex >= 0 && zIndex >= 0
&& xIndex < vanillaRenderedChunks.length
&& zIndex < vanillaRenderedChunks.length)
&& xIndex < vanillaRenderedChunks.length
&& zIndex < vanillaRenderedChunks.length)
{
if (!vanillaRenderedChunks[xIndex][zIndex])
{
@@ -879,8 +885,8 @@ public class LodRenderer
}
}
}
// if the player is high enough, draw all LODs
if(chunkPosToSkip.isEmpty() && mc.getPlayer().position().y > 256)
{
@@ -888,5 +894,5 @@ public class LodRenderer
vanillaRenderedChunksChanged = true;
}
}
}