Repo-Mirror/AkarinMC
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Removes async lighting - Close GH-33

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This commit is contained in:
Sotr
2018-07-29 23:24:01 +08:00
parent 0690cb1c9f
commit 6ba139a83e
10 changed files with 2 additions and 1313 deletions
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4
sources/pom.xml
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@@ -3,7 +3,7 @@
<modelVersion>4.0.0</modelVersion>
<artifactId>akarin</artifactId>
<packaging>jar</packaging>
<version>1.12.2-R0.4-RELEASE</version>
<version>1.12.2-R0.4-SNAPSHOT</version>
<name>Akarin</name>
<url>https://github.com/Akarin-project/Akarin</url>
@@ -134,7 +134,7 @@
<dependency>
<groupId>io.akarin</groupId>
<artifactId>legacylauncher</artifactId>
<version>1.25</version>
<version>1.26</version>
</dependency>
<dependency>
<groupId>org.spongepowered</groupId>

28
sources/src/main/java/io/akarin/api/internal/mixin/IMixinChunk.java
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@@ -1,28 +0,0 @@
package io.akarin.api.internal.mixin;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.atomic.AtomicInteger;
import javax.annotation.Nullable;
import net.minecraft.server.Chunk;
import net.minecraft.server.EnumSkyBlock;
public interface IMixinChunk {
AtomicInteger getPendingLightUpdates();
long getLightUpdateTime();
boolean areNeighborsLoaded();
@Nullable Chunk getNeighborChunk(int index);
CopyOnWriteArrayList<Short> getQueuedLightingUpdates(EnumSkyBlock type);
List<Chunk> getNeighbors();
void setNeighborChunk(int index, @Nullable Chunk chunk);
void setLightUpdateTime(long time);
}

16
sources/src/main/java/io/akarin/api/internal/mixin/IMixinWorldServer.java
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@@ -1,16 +0,0 @@
package io.akarin.api.internal.mixin;
import java.util.List;
import java.util.concurrent.ExecutorService;
import net.minecraft.server.BlockPosition;
import net.minecraft.server.Chunk;
import net.minecraft.server.EnumSkyBlock;
public interface IMixinWorldServer {
boolean updateLightAsync(EnumSkyBlock lightType, BlockPosition pos, Chunk chunk);
boolean checkLightAsync(EnumSkyBlock lightType, BlockPosition pos, Chunk currentChunk, List<Chunk> neighbors);
ExecutorService getLightingExecutor();
}

10
sources/src/main/java/io/akarin/server/core/AkarinGlobalConfig.java
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@@ -185,16 +185,6 @@ public class AkarinGlobalConfig {
keepAliveTimeout = getSeconds(getString("core.keep-alive-response-timeout", "30s")) * 1000;
}
public static int asyncLightingThreads;
private static void asyncLightingThreads() {
asyncLightingThreads = getInt("core.async-lighting.executor-threads", 4);
}
public static boolean asyncLightingWorkStealing;
private static void asyncLightingWorkStealing() {
asyncLightingWorkStealing = getBoolean("core.async-lighting.use-work-stealing", false);
}
public static boolean throwOnAsyncCaught;
private static void throwOnAsyncCaught() {
throwOnAsyncCaught = getBoolean("core.thread-safe.async-catcher.throw-on-caught", true);

130
sources/src/main/java/io/akarin/server/mixin/cps/MixinChunk.java
View File

@@ -1,130 +0,0 @@
/*
* This file is part of Sponge, licensed under the MIT License (MIT).
*
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.akarin.server.mixin.cps;
import java.util.List;
import javax.annotation.Nullable;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import com.google.common.collect.Lists;
import io.akarin.api.internal.mixin.IMixinChunk;
import net.minecraft.server.BlockPosition;
import net.minecraft.server.Chunk;
import net.minecraft.server.EnumDirection;
import net.minecraft.server.MCUtil;
import net.minecraft.server.World;
@Mixin(value = Chunk.class, remap = false)
public abstract class MixinChunk implements IMixinChunk {
private Chunk[] neighborChunks = new Chunk[4];
private static final EnumDirection[] CARDINAL_DIRECTIONS = new EnumDirection[] {EnumDirection.NORTH, EnumDirection.SOUTH, EnumDirection.EAST, EnumDirection.WEST};
@Shadow @Final public World world;
@Shadow @Final public int locX;
@Shadow @Final public int locZ;
@Override
public Chunk getNeighborChunk(int index) {
return this.neighborChunks[index];
}
@Override
public void setNeighborChunk(int index, @Nullable Chunk chunk) {
this.neighborChunks[index] = chunk;
}
@Override
public List<Chunk> getNeighbors() {
List<Chunk> neighborList = Lists.newArrayList();
for (Chunk neighbor : this.neighborChunks) {
if (neighbor != null) {
neighborList.add(neighbor);
}
}
return neighborList;
}
@Override
public boolean areNeighborsLoaded() {
for (int i = 0; i < 4; i++) {
if (this.neighborChunks[i] == null) {
return false;
}
}
return true;
}
private static int directionToIndex(EnumDirection direction) {
switch (direction) {
case NORTH:
return 0;
case SOUTH:
return 1;
case EAST:
return 2;
case WEST:
return 3;
default:
throw new IllegalArgumentException("Unexpected direction");
}
}
@Inject(method = "addEntities", at = @At("RETURN"))
public void onLoadReturn(CallbackInfo ci) {
BlockPosition origin = new BlockPosition(locX, 0, locZ);
for (EnumDirection direction : CARDINAL_DIRECTIONS) {
BlockPosition shift = origin.shift(direction);
Chunk neighbor = MCUtil.getLoadedChunkWithoutMarkingActive(world.getChunkProvider(), shift.getX(), shift.getZ());
if (neighbor != null) {
int neighborIndex = directionToIndex(direction);
int oppositeNeighborIndex = directionToIndex(direction.opposite());
this.setNeighborChunk(neighborIndex, neighbor);
((IMixinChunk) neighbor).setNeighborChunk(oppositeNeighborIndex, (Chunk) (Object) this);
}
}
}
@Inject(method = "removeEntities", at = @At("RETURN"))
public void onUnload(CallbackInfo ci) {
BlockPosition origin = new BlockPosition(locX, 0, locZ);
for (EnumDirection direction : CARDINAL_DIRECTIONS) {
BlockPosition shift = origin.shift(direction);
Chunk neighbor = MCUtil.getLoadedChunkWithoutMarkingActive(world.getChunkProvider(), shift.getX(), shift.getZ());
if (neighbor != null) {
int neighborIndex = directionToIndex(direction);
int oppositeNeighborIndex = directionToIndex(direction.opposite());
this.setNeighborChunk(neighborIndex, null);
((IMixinChunk) neighbor).setNeighborChunk(oppositeNeighborIndex, null);
}
}
}
}

640
sources/src/main/java/io/akarin/server/mixin/lighting/MixinChunk.java
View File

@@ -1,640 +0,0 @@
/*
* This file is part of Sponge, licensed under the MIT License (MIT).
*
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.akarin.server.mixin.lighting;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.atomic.AtomicInteger;
import javax.annotation.Nullable;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.injection.Inject;
import org.spongepowered.asm.mixin.injection.Redirect;
import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
import io.akarin.api.internal.Akari;
import io.akarin.api.internal.mixin.IMixinChunk;
import io.akarin.api.internal.mixin.IMixinWorldServer;
import net.minecraft.server.BlockPosition;
import net.minecraft.server.Blocks;
import net.minecraft.server.Chunk;
import net.minecraft.server.ChunkSection;
import net.minecraft.server.EnumDirection;
import net.minecraft.server.EnumSkyBlock;
import net.minecraft.server.IBlockData;
import net.minecraft.server.MCUtil;
import net.minecraft.server.TileEntity;
import net.minecraft.server.World;
import net.minecraft.server.BlockPosition.MutableBlockPosition;
@Mixin(value = Chunk.class, remap = false, priority = 1001)
public abstract class MixinChunk implements IMixinChunk {
// Keeps track of block positions in this chunk currently queued for sky light update
private CopyOnWriteArrayList<Short> queuedSkyLightingUpdates = new CopyOnWriteArrayList<>();
// Keeps track of block positions in this chunk currently queued for block light update
private CopyOnWriteArrayList<Short> queuedBlockLightingUpdates = new CopyOnWriteArrayList<>();
private AtomicInteger pendingLightUpdates = new AtomicInteger();
private long lightUpdateTime;
private static ExecutorService lightExecutorService;
@Shadow(aliases = "m") private boolean isGapLightingUpdated;
@Shadow(aliases = "r") private boolean ticked;
@Shadow @Final private ChunkSection[] sections;
@Shadow @Final public int locX;
@Shadow @Final public int locZ;
@Shadow @Final public World world;
@Shadow @Final public int[] heightMap;
/** Which columns need their skylightMaps updated. */
@Shadow(aliases = "i") @Final private boolean[] updateSkylightColumns;
/** Queue containing the BlockPosition of tile entities queued for creation */
@Shadow(aliases = "y") @Final private ConcurrentLinkedQueue<BlockPosition> tileEntityPosQueue;
/** Boolean value indicating if the terrain is populated. */
@Shadow(aliases = "done") private boolean isTerrainPopulated;
@Shadow(aliases = "lit") private boolean isLightPopulated;
/** Lowest value in the heightmap. */
@Shadow(aliases = "v") private int heightMapMinimum;
@Shadow(aliases = "b") public abstract int getHeightValue(int x, int z);
@Shadow(aliases = "g") @Nullable public abstract TileEntity createNewTileEntity(BlockPosition pos);
@Shadow(aliases = "a") @Nullable public abstract TileEntity getTileEntity(BlockPosition pos, Chunk.EnumTileEntityState state);
@Shadow @Final public abstract IBlockData getBlockData(BlockPosition pos);
@Shadow @Final public abstract IBlockData getBlockData(int x, int y, int z);
@Shadow public abstract boolean isUnloading();
/** Checks the height of a block next to a sky-visible block and schedules a lighting update as necessary */
@Shadow(aliases = "b") public abstract void checkSkylightNeighborHeight(int x, int z, int maxValue);
@Shadow(aliases = "a") public abstract void updateSkylightNeighborHeight(int x, int z, int startY, int endY);
@Shadow(aliases = "z") public abstract void setSkylightUpdated();
@Shadow(aliases = "g") public abstract int getTopFilledSegment();
@Shadow public abstract void markDirty();
@Inject(method = "<init>", at = @At("RETURN"))
public void onConstruct(World worldIn, int x, int z, CallbackInfo ci) {
lightExecutorService = ((IMixinWorldServer) worldIn).getLightingExecutor();
}
@Override
public AtomicInteger getPendingLightUpdates() {
return this.pendingLightUpdates;
}
@Override
public long getLightUpdateTime() {
return this.lightUpdateTime;
}
@Override
public void setLightUpdateTime(long time) {
this.lightUpdateTime = time;
}
@Inject(method = "b(Z)V", at = @At("HEAD"), cancellable = true)
private void onTickHead(boolean skipRecheckGaps, CallbackInfo ci) {
final List<Chunk> neighbors = this.getSurroundingChunks();
if (this.isGapLightingUpdated && this.world.worldProvider.m() && !skipRecheckGaps && !neighbors.isEmpty()) { // OBFHELPER: hasSkyLight
lightExecutorService.execute(() -> {
this.recheckGapsAsync(neighbors);
});
this.isGapLightingUpdated = false;
}
this.ticked = true;
if (!this.isLightPopulated && this.isTerrainPopulated && !neighbors.isEmpty()) {
lightExecutorService.execute(() -> {
this.checkLightAsync(neighbors);
});
// set to true to avoid requeuing the same task when not finished
this.isLightPopulated = true;
}
while (!this.tileEntityPosQueue.isEmpty()) {
BlockPosition blockpos = this.tileEntityPosQueue.poll();
if (this.getTileEntity(blockpos, Chunk.EnumTileEntityState.CHECK) == null && this.getBlockData(blockpos).getBlock().isTileEntity()) { // OBFHELPER: getTileEntity
TileEntity tileentity = this.createNewTileEntity(blockpos);
this.world.setTileEntity(blockpos, tileentity);
this.world.b(blockpos, blockpos); // OBFHELPER: markBlockRangeForRenderUpdate
}
}
ci.cancel();
}
@Redirect(method = "b(III)V", at = @At(value = "INVOKE", target = "net/minecraft/server/World.getHighestBlockYAt(Lnet/minecraft/server/BlockPosition;)Lnet/minecraft/server/BlockPosition;"))
private BlockPosition onCheckSkylightGetHeight(World world, BlockPosition pos) {
final Chunk chunk = this.getLightChunk(pos.getX() >> 4, pos.getZ() >> 4, null);
if (chunk == null) {
return BlockPosition.ZERO;
}
return new BlockPosition(pos.getX(), chunk.b(pos.getX() & 15, pos.getZ() & 15), pos.getZ()); // OBFHELPER: getHeightValue
}
@Redirect(method = "a(IIII)V", at = @At(value = "INVOKE", target = "net/minecraft/server/World.areChunksLoaded(Lnet/minecraft/server/BlockPosition;I)Z"))
private boolean onAreaLoadedSkyLightNeighbor(World world, BlockPosition pos, int radius) {
return this.isAreaLoaded();
}
@Redirect(method = "a(IIII)V", at = @At(value = "INVOKE", target = "net/minecraft/server/World.c(Lnet/minecraft/server/EnumSkyBlock;Lnet/minecraft/server/BlockPosition;)Z"))
private boolean onCheckLightForSkylightNeighbor(World world, EnumSkyBlock enumSkyBlock, BlockPosition pos) {
return this.checkWorldLightFor(enumSkyBlock, pos);
}
/**
* Rechecks chunk gaps async.
*
* @param neighbors A thread-safe list of surrounding neighbor chunks
*/
private void recheckGapsAsync(List<Chunk> neighbors) {
for (int i = 0; i < 16; ++i) {
for (int j = 0; j < 16; ++j) {
if (this.updateSkylightColumns[i + j * 16]) {
this.updateSkylightColumns[i + j * 16] = false;
int k = this.getHeightValue(i, j);
int l = this.locX * 16 + i;
int i1 = this.locZ * 16 + j;
int j1 = Integer.MAX_VALUE;
for (EnumDirection enumfacing : EnumDirection.EnumDirectionLimit.HORIZONTAL) {
final Chunk chunk = this.getLightChunk((l + enumfacing.getAdjacentX()) >> 4, (i1 + enumfacing.getAdjacentZ()) >> 4, neighbors);
if (chunk == null || chunk.isUnloading()) {
continue;
}
j1 = Math.min(j1, chunk.w()); // OBFHELPER: getLowestHeight
}
this.checkSkylightNeighborHeight(l, i1, j1);
for (EnumDirection enumfacing1 : EnumDirection.EnumDirectionLimit.HORIZONTAL) {
this.checkSkylightNeighborHeight(l + enumfacing1.getAdjacentX(), i1 + enumfacing1.getAdjacentZ(), k);
}
}
}
// this.isGapLightingUpdated = false;
}
}
@Redirect(method = "n()V", at = @At(value = "INVOKE", target = "net/minecraft/server/World.getType(Lnet/minecraft/server/BlockPosition;)Lnet/minecraft/server/IBlockData;"))
private IBlockData onRelightChecksGetBlockData(World world, BlockPosition pos) {
Chunk chunk = MCUtil.getLoadedChunkWithoutMarkingActive(world.getChunkProvider(), pos.getX() >> 4, pos.getZ() >> 4);
final IMixinChunk spongeChunk = (IMixinChunk) chunk;
if (chunk == null || chunk.isUnloading() || !spongeChunk.areNeighborsLoaded()) {
return Blocks.AIR.getBlockData();
}
return chunk.getBlockData(pos);
}
@Redirect(method = "n()V", at = @At(value = "INVOKE", target = "net/minecraft/server/World.w(Lnet/minecraft/server/BlockPosition;)Z"))
private boolean onRelightChecksCheckLight(World world, BlockPosition pos) {
return this.checkWorldLight(pos);
}
// Avoids grabbing chunk async during light check
@Redirect(method = "e(II)Z", at = @At(value = "INVOKE", target = "net/minecraft/server/World.w(Lnet/minecraft/server/BlockPosition;)Z"))
private boolean onCheckLightWorld(World world, BlockPosition pos) {
return this.checkWorldLight(pos);
}
@Inject(method = "o()V", at = @At("HEAD"), cancellable = true)
private void checkLightHead(CallbackInfo ci) {
if (this.world.getMinecraftServer().isStopped() || lightExecutorService.isShutdown()) {
return;
}
if (this.isUnloading()) {
return;
}
final List<Chunk> neighborChunks = this.getSurroundingChunks();
if (neighborChunks.isEmpty()) {
this.isLightPopulated = false;
return;
}
if (Akari.isPrimaryThread()) {
try {
lightExecutorService.execute(() -> {
this.checkLightAsync(neighborChunks);
});
} catch (RejectedExecutionException ex) {
// This could happen if ServerHangWatchdog kills the server
// between the start of the method and the execute() call.
if (!this.world.getMinecraftServer().isStopped() && !lightExecutorService.isShutdown()) {
throw ex;
}
}
} else {
this.checkLightAsync(neighborChunks);
}
ci.cancel();
}
/**
* Checks light async.
*
* @param neighbors A thread-safe list of surrounding neighbor chunks
*/
private void checkLightAsync(List<Chunk> neighbors) {
this.isTerrainPopulated = true;
this.isLightPopulated = true;
BlockPosition blockpos = new BlockPosition(this.locX << 4, 0, this.locZ << 4);
if (this.world.worldProvider.m()) { // OBFHELPER: hasSkyLight
CHECK_LIGHT:
for (int i = 0; i < 16; ++i) {
for (int j = 0; j < 16; ++j) {
if (!this.checkLightAsync(i, j, neighbors)) {
this.isLightPopulated = false;
break CHECK_LIGHT;
}
}
}
if (this.isLightPopulated) {
for (EnumDirection enumfacing : EnumDirection.EnumDirectionLimit.HORIZONTAL) {
int k = enumfacing.c() == EnumDirection.EnumAxisDirection.POSITIVE ? 16 : 1; // OBFHELPER: getAxisDirection
final BlockPosition pos = blockpos.shift(enumfacing, k);
final Chunk chunk = this.getLightChunk(pos.getX() >> 4, pos.getZ() >> 4, neighbors);
if (chunk == null) {
continue;
}
chunk.a(enumfacing.opposite()); // OBFHELPER: checkLightSide
}
for (int i = 0; i < this.updateSkylightColumns.length; ++i) {
this.updateSkylightColumns[i] = true;
}
this.recheckGapsAsync(neighbors);
}
}
}
/**
* Checks light async.
*
* @param x The x position of chunk
* @param z The z position of chunk
* @param neighbors A thread-safe list of surrounding neighbor chunks
* @return True if light update was successful, false if not
*/
private boolean checkLightAsync(int x, int z, List<Chunk> neighbors) {
int i = this.getTopFilledSegment();
boolean flag = false;
boolean flag1 = false;
MutableBlockPosition blockpos$mutableblockpos = new MutableBlockPosition((this.locX << 4) + x, 0, (this.locZ << 4) + z);
for (int j = i + 16 - 1; j > this.world.getSeaLevel() || j > 0 && !flag1; --j) {
blockpos$mutableblockpos.setValues(blockpos$mutableblockpos.getX(), j, blockpos$mutableblockpos.getZ());
int k = this.getBlockData(blockpos$mutableblockpos).c(); // OBFHELPER: getLightOpacity
if (k == 255 && blockpos$mutableblockpos.getY() < this.world.getSeaLevel()) {
flag1 = true;
}
if (!flag && k > 0) {
flag = true;
} else if (flag && k == 0 && !this.checkWorldLight(blockpos$mutableblockpos, neighbors)) {
return false;
}
}
for (int l = blockpos$mutableblockpos.getY(); l > 0; --l) {
blockpos$mutableblockpos.setValues(blockpos$mutableblockpos.getX(), l, blockpos$mutableblockpos.getZ());
if (this.getBlockData(blockpos$mutableblockpos).d() > 0) { // getLightValue
this.checkWorldLight(blockpos$mutableblockpos, neighbors);
}
}
return true;
}
/**
* Thread-safe method to retrieve a chunk during async light updates.
*
* @param chunkX The x position of chunk.
* @param chunkZ The z position of chunk.
* @param neighbors A thread-safe list of surrounding neighbor chunks
* @return The chunk if available, null if not
*/
private Chunk getLightChunk(int chunkX, int chunkZ, List<Chunk> neighbors) {
final Chunk currentChunk = (Chunk) (Object) this;
if (currentChunk.a(chunkX, chunkZ)) { // OBFHELPER: isAtLocation
if (currentChunk.isUnloading()) {
return null;
}
return currentChunk;
}
if (neighbors == null) {
neighbors = this.getSurroundingChunks();
if (neighbors.isEmpty()) {
return null;
}
}
for (Chunk neighbor : neighbors) {
if (neighbor.a(chunkX, chunkZ)) { // OBFHELPER: isAtLocation
if (neighbor.isUnloading()) {
return null;
}
return neighbor;
}
}
return null;
}
/**
* Checks if surrounding chunks are loaded thread-safe.
*
* @return True if surrounded chunks are loaded, false if not
*/
private boolean isAreaLoaded() {
if (!this.areNeighborsLoaded()) {
return false;
}
// add diagonal chunks
final Chunk southEastChunk = ((IMixinChunk) this.getNeighborChunk(0)).getNeighborChunk(2);
if (southEastChunk == null) {
return false;
}
final Chunk southWestChunk = ((IMixinChunk) this.getNeighborChunk(0)).getNeighborChunk(3);
if (southWestChunk == null) {
return false;
}
final Chunk northEastChunk = ((IMixinChunk) this.getNeighborChunk(1)).getNeighborChunk(2);
if (northEastChunk == null) {
return false;
}
final Chunk northWestChunk = ((IMixinChunk) this.getNeighborChunk(1)).getNeighborChunk(3);
if (northWestChunk == null) {
return false;
}
return true;
}
/**
* Gets surrounding chunks thread-safe.
*
* @return The list of surrounding chunks, empty list if not loaded
*/
private List<Chunk> getSurroundingChunks() {
if (!this.areNeighborsLoaded()) {
return Collections.emptyList();
}
// add diagonal chunks
final Chunk southEastChunk = ((IMixinChunk) this.getNeighborChunk(0)).getNeighborChunk(2);
if (southEastChunk == null) {
return Collections.emptyList();
}
final Chunk southWestChunk = ((IMixinChunk) this.getNeighborChunk(0)).getNeighborChunk(3);
if (southWestChunk == null) {
return Collections.emptyList();
}
final Chunk northEastChunk = ((IMixinChunk) this.getNeighborChunk(1)).getNeighborChunk(2);
if (northEastChunk == null) {
return Collections.emptyList();
}
final Chunk northWestChunk = ((IMixinChunk) this.getNeighborChunk(1)).getNeighborChunk(3);
if (northWestChunk == null) {
return Collections.emptyList();
}
List<Chunk> chunkList = this.getNeighbors();
chunkList.add(southEastChunk);
chunkList.add(southWestChunk);
chunkList.add(northEastChunk);
chunkList.add(northWestChunk);
return chunkList;
}
@Inject(method = "c(III)V", at = @At("HEAD"), cancellable = true)
private void onRelightBlock(int x, int y, int z, CallbackInfo ci) {
lightExecutorService.execute(() -> {
this.relightBlockAsync(x, y, z);
});
ci.cancel();
}
/**
* Relight's a block async.
*
* @param x The x position
* @param y The y position
* @param z The z position
*/
private void relightBlockAsync(int x, int y, int z) {
int i = this.heightMap[z << 4 | x] & 255;
int j = i;
if (y > i) {
j = y;
}
while (j > 0 && this.getBlockData(x, j - 1, z).c() == 0) { // OBFHELPER: getLightOpacity
--j;
}
if (j != i) {
this.markBlocksDirtyVerticalAsync(x + this.locX * 16, z + this.locZ * 16, j, i);
this.heightMap[z << 4 | x] = j;
int k = this.locX * 16 + x;
int l = this.locZ * 16 + z;
if (this.world.worldProvider.m()) { // OBFHELPER: hasSkyLight
if (j < i) {
for (int j1 = j; j1 < i; ++j1) {
ChunkSection extendedblockstorage2 = this.sections[j1 >> 4];
if (extendedblockstorage2 != Chunk.EMPTY_CHUNK_SECTION) {
extendedblockstorage2.a(x, j1 & 15, z, 15); // OBFHELPER: setSkyLight
// this.world.m(new BlockPosition((this.locX << 4) + x, j1, (this.locZ << 4) + z)); // OBFHELPER: notifyLightSet - client side
}
}
} else {
for (int i1 = i; i1 < j; ++i1) {
ChunkSection extendedblockstorage = this.sections[i1 >> 4];
if (extendedblockstorage != Chunk.EMPTY_CHUNK_SECTION) {
extendedblockstorage.a(x, i1 & 15, z, 0); // OBFHELPER: setSkyLight
// this.world.m(new BlockPosition((this.locX << 4) + x, i1, (this.locZ << 4) + z)); // OBFHELPER: notifyLightSet - client side
}
}
}
int k1 = 15;
while (j > 0 && k1 > 0) {
--j;
int i2 = this.getBlockData(x, j, z).c();
if (i2 == 0) {
i2 = 1;
}
k1 -= i2;
if (k1 < 0) {
k1 = 0;
}
ChunkSection extendedblockstorage1 = this.sections[j >> 4];
if (extendedblockstorage1 != Chunk.EMPTY_CHUNK_SECTION) {
extendedblockstorage1.a(x, j & 15, z, k1); // OBFHELPER: setSkyLight
}
}
}
int l1 = this.heightMap[z << 4 | x];
int j2 = i;
int k2 = l1;
if (l1 < i) {
j2 = l1;
k2 = i;
}
if (l1 < this.heightMapMinimum) {
this.heightMapMinimum = l1;
}
if (this.world.worldProvider.m()) { // OBFHELPER: hasSkyLight
for (EnumDirection enumfacing : EnumDirection.EnumDirectionLimit.HORIZONTAL) {
this.updateSkylightNeighborHeight(k + enumfacing.getAdjacentX(), l + enumfacing.getAdjacentZ(), j2, k2); // OBFHELPER: updateSkylightNeighborHeight
}
this.updateSkylightNeighborHeight(k, l, j2, k2);
}
this.markDirty();
}
}
/**
* Marks a vertical line of blocks as dirty async.
* Instead of calling world directly, we pass chunk safely for async light method.
*
* @param x1
* @param z1
* @param x2
* @param z2
*/
private void markBlocksDirtyVerticalAsync(int x1, int z1, int x2, int z2) {
if (x2 > z2) {
int i = z2;
z2 = x2;
x2 = i;
}
if (this.world.worldProvider.m()) { // OBFHELPER: hasSkyLight
for (int j = x2; j <= z2; ++j) {
final BlockPosition pos = new BlockPosition(x1, j, z1);
final Chunk chunk = this.getLightChunk(pos.getX() >> 4, pos.getZ() >> 4, null);
if (chunk == null) {
continue;
}
((IMixinWorldServer) this.world).updateLightAsync(EnumSkyBlock.SKY, new BlockPosition(x1, j, z1), chunk);
}
}
this.world.b(x1, x2, z1, x1, z2, z1); // OBFHELPER: markBlockRangeForRenderUpdate
}
/**
* Checks world light thread-safe.
*
* @param lightType The type of light to check
* @param pos The block position
* @return True if light update was successful, false if not
*/
private boolean checkWorldLightFor(EnumSkyBlock lightType, BlockPosition pos) {
final Chunk chunk = this.getLightChunk(pos.getX() >> 4, pos.getZ() >> 4, null);
if (chunk == null) {
return false;
}
return ((IMixinWorldServer) this.world).updateLightAsync(lightType, pos, chunk);
}
private boolean checkWorldLight(BlockPosition pos) {
return this.checkWorldLight(pos, null);
}
/**
* Checks world light async.
*
* @param pos The block position
* @param neighbors A thread-safe list of surrounding neighbor chunks
* @return True if light update was successful, false if not
*/
private boolean checkWorldLight(BlockPosition pos, List<Chunk> neighbors) {
boolean flag = false;
final Chunk chunk = this.getLightChunk(pos.getX() >> 4, pos.getZ() >> 4, neighbors);
if (chunk == null) {
return false;
}
if (this.world.worldProvider.m()) { // OBFHELPER: hasSkyLight
flag |= ((IMixinWorldServer) this.world).updateLightAsync(EnumSkyBlock.SKY, pos, chunk);
}
flag = flag | ((IMixinWorldServer) this.world).updateLightAsync(EnumSkyBlock.BLOCK, pos, chunk);
return flag;
}
/**
* Gets the list of block positions currently queued for lighting updates.
*
* @param type The light type
* @return The list of queued block positions, empty if none
*/
@Override
public CopyOnWriteArrayList<Short> getQueuedLightingUpdates(EnumSkyBlock type) {
if (type == EnumSkyBlock.SKY) {
return this.queuedSkyLightingUpdates;
}
return this.queuedBlockLightingUpdates;
}
}

51
sources/src/main/java/io/akarin/server/mixin/lighting/MixinChunkProviderServer.java
View File

@@ -1,51 +0,0 @@
/*
* This file is part of Sponge, licensed under the MIT License (MIT).
*
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.akarin.server.mixin.lighting;
import org.spongepowered.asm.mixin.Final;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.injection.At;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.asm.mixin.injection.Redirect;
import io.akarin.api.internal.mixin.IMixinChunk;
import net.minecraft.server.ChunkProviderServer;
import net.minecraft.server.WorldServer;
@Mixin(value = ChunkProviderServer.class, remap = false, priority = 1001)
public abstract class MixinChunkProviderServer {
@Shadow @Final public WorldServer world;
@Redirect(method = "unloadChunks", at = @At(
value = "INVOKE",
target = "Lnet/minecraft/server/Chunk;isUnloading()Z"
))
public boolean shouldUnload(IMixinChunk chunk) {
if (chunk.getPendingLightUpdates().get() > 0 || this.world.getTime() - chunk.getLightUpdateTime() < 20) {
return false;
}
return true;
}
}

45
sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorld.java
View File

@@ -1,45 +0,0 @@
/*
* This file is part of Sponge, licensed under the MIT License (MIT).
*
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.akarin.server.mixin.lighting;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import net.minecraft.server.BlockPosition;
import net.minecraft.server.Chunk;
import net.minecraft.server.EnumSkyBlock;
import net.minecraft.server.IChunkProvider;
import net.minecraft.server.MinecraftServer;
import net.minecraft.server.World;
@Mixin(value = World.class, remap = false, priority = 1002)
public abstract class MixinWorld {
@Shadow protected IChunkProvider chunkProvider;
@Shadow int[] J; // OBFHELPER: lightUpdateBlockList
@Shadow(aliases = "c") public abstract boolean checkLightFor(EnumSkyBlock lightType, BlockPosition pos);
@Shadow public abstract MinecraftServer getMinecraftServer();
@Shadow public abstract boolean areChunksLoaded(BlockPosition center, int radius, boolean allowEmpty);
@Shadow public abstract Chunk getChunkIfLoaded(int x, int z);
}

376
sources/src/main/java/io/akarin/server/mixin/lighting/MixinWorldServer.java
View File

@@ -1,376 +0,0 @@
/*
* This file is part of Sponge, licensed under the MIT License (MIT).
*
* Copyright (c) SpongePowered <https://www.spongepowered.org>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package io.akarin.server.mixin.lighting;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import javax.annotation.Nullable;
import org.spongepowered.asm.mixin.Mixin;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import io.akarin.api.internal.Akari;
import io.akarin.api.internal.mixin.IMixinChunk;
import io.akarin.api.internal.mixin.IMixinWorldServer;
import io.akarin.server.core.AkarinGlobalConfig;
import net.minecraft.server.BlockPosition;
import net.minecraft.server.Chunk;
import net.minecraft.server.EnumDirection;
import net.minecraft.server.EnumSkyBlock;
import net.minecraft.server.IBlockData;
import net.minecraft.server.MCUtil;
import net.minecraft.server.MathHelper;
import net.minecraft.server.WorldServer;
import net.minecraft.server.BlockPosition.PooledBlockPosition;
@Mixin(value = WorldServer.class, remap = false, priority = 1002)
public abstract class MixinWorldServer extends MixinWorld implements IMixinWorldServer {
private static final int NUM_XZ_BITS = 4;
private static final int NUM_SHORT_Y_BITS = 8;
private static final short XZ_MASK = 0xF;
private static final short Y_SHORT_MASK = 0xFF;
private final static ExecutorService lightExecutorService = getExecutorService();
private static ExecutorService getExecutorService() {
return AkarinGlobalConfig.asyncLightingWorkStealing ?
Executors.newFixedThreadPool(AkarinGlobalConfig.asyncLightingThreads, new ThreadFactoryBuilder().setNameFormat("Akarin Async Light Thread").build())
:
Executors.newWorkStealingPool(AkarinGlobalConfig.asyncLightingThreads);
}
@Override
public boolean checkLightFor(EnumSkyBlock lightType, BlockPosition pos) { // OBFHELPER: checkLightFor
return updateLightAsync(lightType, pos, null);
}
@Override
public boolean checkLightAsync(EnumSkyBlock lightType, BlockPosition pos, Chunk currentChunk, List<Chunk> neighbors) {
// Sponge - This check is not needed as neighbors are checked in updateLightAsync
if (false && !this.areChunksLoaded(pos, 17, false)) {
return false;
} else {
final IMixinChunk spongeChunk = (IMixinChunk) currentChunk;
int recheckIndex = 0;
int blockIndex = 0;
int current = this.getLightForAsync(lightType, pos, currentChunk, neighbors); // Sponge - use thread safe method
int rawLight = this.getRawBlockLightAsync(lightType, pos, currentChunk, neighbors); // Sponge - use thread safe method
int x = pos.getX();
int y = pos.getY();
int z = pos.getZ();
if (rawLight > current) {
this.J[blockIndex++] = 133152; // OBFHELPER: lightUpdateBlockList
} else if (rawLight < current) {
this.J[blockIndex++] = 133152 | current << 18; // OBFHELPER: lightUpdateBlockList
while (recheckIndex < blockIndex) {
int blockData = this.J[recheckIndex++]; // OBFHELPER: lightUpdateBlockList
int i2 = (blockData & 63) - 32 + x;
int j2 = (blockData >> 6 & 63) - 32 + y;
int k2 = (blockData >> 12 & 63) - 32 + z;
int l2 = blockData >> 18 & 15;
BlockPosition blockpos = new BlockPosition(i2, j2, k2);
int lightLevel = this.getLightForAsync(lightType, blockpos, currentChunk, neighbors); // Sponge - use thread safe method
if (lightLevel == l2) {
this.setLightForAsync(lightType, blockpos, 0, currentChunk, neighbors); // Sponge - use thread safe method
if (l2 > 0) {
int j3 = MathHelper.a(i2 - x); // abs
int k3 = MathHelper.a(j2 - y);
int l3 = MathHelper.a(k2 - z);
if (j3 + k3 + l3 < 17) {
PooledBlockPosition mutableBlockpos = PooledBlockPosition.aquire();
for (EnumDirection enumfacing : EnumDirection.values()) {
int i4 = i2 + enumfacing.getAdjacentX();
int j4 = j2 + enumfacing.getAdjacentX();
int k4 = k2 + enumfacing.getAdjacentX();
mutableBlockpos.setValues(i4, j4, k4);
// Sponge start - get chunk safely
final Chunk pooledChunk = this.getLightChunk(mutableBlockpos, currentChunk, neighbors);
if (pooledChunk == null) {
continue;
}
int opacity = Math.max(1, pooledChunk.getBlockData(mutableBlockpos).c()); // OBFHELPER: getLightOpacity
lightLevel = this.getLightForAsync(lightType, mutableBlockpos, currentChunk, neighbors);
// Sponge end
if (lightLevel == l2 - opacity && blockIndex < this.J.length) { // OBFHELPER: lightUpdateBlockList
this.J[blockIndex++] = i4 - x + 32 | j4 - y + 32 << 6 | k4 - z + 32 << 12 | l2 - opacity << 18; // OBFHELPER: lightUpdateBlockList
}
}
mutableBlockpos.free();
}
}
}
}
recheckIndex = 0;
}
while (recheckIndex < blockIndex) {
int i5 = this.J[recheckIndex++]; // OBFHELPER: lightUpdateBlockList
int j5 = (i5 & 63) - 32 + x;
int k5 = (i5 >> 6 & 63) - 32 + y;
int l5 = (i5 >> 12 & 63) - 32 + z;
BlockPosition blockpos1 = new BlockPosition(j5, k5, l5);
int i6 = this.getLightForAsync(lightType, blockpos1, currentChunk, neighbors); // Sponge - use thread safe method
int j6 = this.getRawBlockLightAsync(lightType, blockpos1, currentChunk, neighbors); // Sponge - use thread safe method
if (j6 != i6) {
this.setLightForAsync(lightType, blockpos1, j6, currentChunk, neighbors); // Sponge - use thread safe method
if (j6 > i6) {
int k6 = Math.abs(j5 - x);
int l6 = Math.abs(k5 - y);
int i7 = Math.abs(l5 - z);
boolean flag = blockIndex < this.J.length - 6; // OBFHELPER: lightUpdateBlockList
if (k6 + l6 + i7 < 17 && flag) {
// Sponge start - use thread safe method getLightForAsync
if (this.getLightForAsync(lightType, blockpos1.west(), currentChunk, neighbors) < j6) {
this.J[blockIndex++] = j5 - 1 - x + 32 + (k5 - y + 32 << 6) + (l5 - z + 32 << 12); // OBFHELPER: lightUpdateBlockList
}
if (this.getLightForAsync(lightType, blockpos1.east(), currentChunk, neighbors) < j6) {
this.J[blockIndex++] = j5 + 1 - x + 32 + (k5 - y + 32 << 6) + (l5 - z + 32 << 12); // OBFHELPER: lightUpdateBlockList
}
if (this.getLightForAsync(lightType, blockpos1.down(), currentChunk, neighbors) < j6) {
this.J[blockIndex++] = j5 - x + 32 + (k5 - 1 - y + 32 << 6) + (l5 - z + 32 << 12); // OBFHELPER: lightUpdateBlockList
}
if (this.getLightForAsync(lightType, blockpos1.up(), currentChunk, neighbors) < j6) {
this.J[blockIndex++] = j5 - x + 32 + (k5 + 1 - y + 32 << 6) + (l5 - z + 32 << 12); // OBFHELPER: lightUpdateBlockList
}
if (this.getLightForAsync(lightType, blockpos1.north(), currentChunk, neighbors) < j6) {
this.J[blockIndex++] = j5 - x + 32 + (k5 - y + 32 << 6) + (l5 - 1 - z + 32 << 12); // OBFHELPER: lightUpdateBlockList
}
if (this.getLightForAsync(lightType, blockpos1.south(), currentChunk, neighbors) < j6) {
this.J[blockIndex++] = j5 - x + 32 + (k5 - y + 32 << 6) + (l5 + 1 - z + 32 << 12); // OBFHELPER: lightUpdateBlockList
}
// Sponge end
}
}
}
}
// Sponge start - Asynchronous light updates
spongeChunk.getQueuedLightingUpdates(lightType).remove((Short) this.blockPosToShort(pos));
spongeChunk.getPendingLightUpdates().decrementAndGet();
for (Chunk neighborChunk : neighbors) {
final IMixinChunk neighbor = (IMixinChunk) neighborChunk;
neighbor.getPendingLightUpdates().decrementAndGet();
}
// Sponge end
return true;
}
}
@Override
public boolean updateLightAsync(EnumSkyBlock lightType, BlockPosition pos, @Nullable Chunk currentChunk) {
if (this.getMinecraftServer().isStopped() || lightExecutorService.isShutdown()) {
return false;
}
if (currentChunk == null) {
if (!Akari.isPrimaryThread()) return false;
currentChunk = MCUtil.getLoadedChunkWithoutMarkingActive(chunkProvider, pos.getX() >> 4, pos.getZ() >> 4);
}
final IMixinChunk spongeChunk = (IMixinChunk) currentChunk;
if (currentChunk == null || currentChunk.isUnloading() || !spongeChunk.areNeighborsLoaded()) {
return false;
}
final short shortPos = this.blockPosToShort(pos);
if (spongeChunk.getQueuedLightingUpdates(lightType).contains(shortPos)) {
return false;
}
final Chunk chunk = currentChunk;
spongeChunk.getQueuedLightingUpdates(lightType).add(shortPos);
spongeChunk.getPendingLightUpdates().incrementAndGet();
spongeChunk.setLightUpdateTime(chunk.getWorld().getTime());
List<Chunk> neighbors = spongeChunk.getNeighbors();
// add diagonal chunks
Chunk southEastChunk = ((IMixinChunk) spongeChunk.getNeighborChunk(0)).getNeighborChunk(2);
Chunk southWestChunk = ((IMixinChunk) spongeChunk.getNeighborChunk(0)).getNeighborChunk(3);
Chunk northEastChunk = ((IMixinChunk) spongeChunk.getNeighborChunk(1)).getNeighborChunk(2);
Chunk northWestChunk = ((IMixinChunk) spongeChunk.getNeighborChunk(1)).getNeighborChunk(3);
if (southEastChunk != null) {
neighbors.add(southEastChunk);
}
if (southWestChunk != null) {
neighbors.add(southWestChunk);
}
if (northEastChunk != null) {
neighbors.add(northEastChunk);
}
if (northWestChunk != null) {
neighbors.add(northWestChunk);
}
for (Chunk neighborChunk : neighbors) {
final IMixinChunk neighbor = (IMixinChunk) neighborChunk;
neighbor.getPendingLightUpdates().incrementAndGet();
neighbor.setLightUpdateTime(chunk.getWorld().getTime());
}
if (Akari.isPrimaryThread()) { // Akarin
lightExecutorService.execute(() -> {
this.checkLightAsync(lightType, pos, chunk, neighbors);
});
} else {
this.checkLightAsync(lightType, pos, chunk, neighbors);
}
return true;
}
@Override
public ExecutorService getLightingExecutor() {
return lightExecutorService;
}
// Thread safe methods to retrieve a chunk during async light updates
// Each method avoids calling getLoadedChunk and instead accesses the passed neighbor chunk list to avoid concurrency issues
public Chunk getLightChunk(BlockPosition pos, Chunk currentChunk, List<Chunk> neighbors) {
if (currentChunk.a(pos.getX() >> 4, pos.getZ() >> 4)) { // OBFHELPER: isAtLocation
if (currentChunk.isUnloading()) {
return null;
}
return currentChunk;
}
for (Chunk neighbor : neighbors) {
if (neighbor.a(pos.getX() >> 4, pos.getZ() >> 4)) { // OBFHELPER: isAtLocation
if (neighbor.isUnloading()) {
return null;
}
return neighbor;
}
}
return null;
}
private int getLightForAsync(EnumSkyBlock lightType, BlockPosition pos, Chunk currentChunk, List<Chunk> neighbors) {
if (pos.getY() < 0) {
pos = new BlockPosition(pos.getX(), 0, pos.getZ());
}
if (!pos.isValidLocation()) {
return lightType.c; // OBFHELPER: defaultLightValue
}
final Chunk chunk = this.getLightChunk(pos, currentChunk, neighbors);
if (chunk == null || chunk.isUnloading()) {
return lightType.c; // OBFHELPER: defaultLightValue
}
return chunk.getBrightness(lightType, pos);
}
private int getRawBlockLightAsync(EnumSkyBlock lightType, BlockPosition pos, Chunk currentChunk, List<Chunk> neighbors) {
final Chunk chunk = getLightChunk(pos, currentChunk, neighbors);
if (chunk == null || chunk.isUnloading()) {
return lightType.c; // OBFHELPER: defaultLightValue
}
if (lightType == EnumSkyBlock.SKY && chunk.c(pos)) { // OBFHELPER: canSeeSky
return 15;
} else {
IBlockData blockData = chunk.getBlockData(pos);
int blockLight = blockData.d(); // getLightValue
int rawLight = lightType == EnumSkyBlock.SKY ? 0 : blockLight;
int opacity = blockData.c(); // OBFHELPER: getLightOpacity
if (opacity >= 15 && blockLight > 0) {
opacity = 1;
}
if (opacity < 1) {
opacity = 1;
}
if (opacity >= 15) {
return 0;
} else if (rawLight >= 14) {
return rawLight;
} else {
for (EnumDirection facing : EnumDirection.values()) {
BlockPosition blockpos = pos.shift(facing);
int current = this.getLightForAsync(lightType, blockpos, currentChunk, neighbors) - opacity;
if (current > rawLight) {
rawLight = current;
}
if (rawLight >= 14) {
return rawLight;
}
}
return rawLight;
}
}
}
public void setLightForAsync(EnumSkyBlock type, BlockPosition pos, int lightValue, Chunk currentChunk, List<Chunk> neighbors) {
if (pos.isValidLocation()) {
final Chunk chunk = this.getLightChunk(pos, currentChunk, neighbors);
if (chunk != null && !chunk.isUnloading()) {
chunk.a(type, pos, lightValue); // OBFHELPER: setLightFor
// this.notifyLightSet(pos); // client side
}
}
}
private short blockPosToShort(BlockPosition pos) {
short serialized = (short) setNibble(0, pos.getX() & XZ_MASK, 0, NUM_XZ_BITS);
serialized = (short) setNibble(serialized, pos.getY() & Y_SHORT_MASK, 1, NUM_SHORT_Y_BITS);
serialized = (short) setNibble(serialized, pos.getZ() & XZ_MASK, 3, NUM_XZ_BITS);
return serialized;
}
/**
* Modifies bits in an integer.
*
* @param num Integer to modify
* @param data Bits of data to add
* @param which Index of nibble to start at
* @param bitsToReplace The number of bits to replace starting from nibble index
* @return The modified integer
*/
private int setNibble(int num, int data, int which, int bitsToReplace) {
return (num & ~(bitsToReplace << (which * 4)) | (data << (which * 4)));
}
}

15
sources/src/main/resources/mixins.akarin.optimization.lighting.json
View File

@@ -1,15 +0,0 @@
{
"required": true,
"minVersion": "0.7.10",
"package": "io.akarin.server.mixin",
"target": "@env(DEFAULT)",
"compatibilityLevel": "JAVA_8",
"server": [
"cps.MixinChunk",
"lighting.MixinChunk",
"lighting.MixinWorld",
"lighting.MixinWorldServer",
"lighting.MixinChunkProviderServer",
]
}