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PatchWorldServer.java
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PatchWorldServer.java
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package me.nallar.tickthreading.minecraft.patched;
import java.util.Iterator;
import java.util.Random;
import me.nallar.tickthreading.Log;
import me.nallar.tickthreading.minecraft.ThreadManager;
import me.nallar.tickthreading.minecraft.TickThreading;
import net.minecraft.block.Block;
import net.minecraft.entity.effect.EntityLightningBolt;
import net.minecraft.profiler.Profiler;
import net.minecraft.server.MinecraftServer;
import net.minecraft.world.ChunkCoordIntPair;
import net.minecraft.world.WorldServer;
import net.minecraft.world.WorldSettings;
import net.minecraft.world.biome.BiomeGenBase;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.storage.ExtendedBlockStorage;
import net.minecraft.world.storage.ISaveHandler;
public abstract class PatchWorldServer extends WorldServer implements Runnable {
private Iterator chunkCoordIterator;
private ThreadManager threadManager;
private ThreadLocal<Random> randoms;
public PatchWorldServer(MinecraftServer par1MinecraftServer, ISaveHandler par2ISaveHandler, String par3Str, int par4, WorldSettings par5WorldSettings, Profiler par6Profiler) {
super(par1MinecraftServer, par2ISaveHandler, par3Str, par4, par5WorldSettings, par6Profiler);
}
public void construct() {
randoms = new ThreadLocalRandom();
threadManager = new ThreadManager(TickThreading.instance.getThreadCount(), "Chunk Updates for " + Log.name(this));
}
public long startTime = 0;
@Override
protected void tickBlocksAndAmbiance() {
TickThreading tickThreading = TickThreading.instance;
boolean concurrentTicks = tickThreading.enableChunkTickThreading && !mcServer.theProfiler.profilingEnabled;
if (concurrentTicks) {
threadManager.waitForCompletion();
}
chunkCoordIterator = this.activeChunkSet.iterator();
if (concurrentTicks) {
for (int i = 0; i < threadManager.size(); i++) {
threadManager.run(this);
}
} else {
run();
}
}
@Override
public void run() {
double tpsFactor = MinecraftServer.getTPS() / 20;
final Random rand = randoms.get();
// We use a random per thread - randoms are threadsafe, however synchronization is involved.
// This reduces contention -> slightly increased performance, woo! :P
while (true) {
ChunkCoordIntPair var4;
synchronized (chunkCoordIterator) {
if (!chunkCoordIterator.hasNext()) {
break;
}
var4 = (ChunkCoordIntPair) chunkCoordIterator.next();
}
if (tpsFactor < 1 && rand.nextFloat() > tpsFactor) {
continue;
}
if (!this.chunkExists(var4.chunkXPos, var4.chunkZPos)) {
continue;
}
int xPos = var4.chunkXPos * 16;
int zPos = var4.chunkZPos * 16;
Chunk chunk = this.getChunkFromChunkCoords(var4.chunkXPos, var4.chunkZPos);
this.moodSoundAndLightCheck(xPos, zPos, chunk);
theProfiler.endStartSection("chunkTick"); // endStart as moodSoundAndLightCheck starts a section.
chunk.updateSkylight();
int var8;
int var9;
int var10;
int var11;
theProfiler.startSection("lightning");
if (provider.canDoLightning(chunk) && rand.nextInt(100000) == 0 && this.isRaining() && this.isThundering()) {
this.updateLCG = this.updateLCG * 3 + 1013904223;
var8 = this.updateLCG >> 2;
var9 = xPos + (var8 & 15);
var10 = zPos + (var8 >> 8 & 15);
var11 = this.getPrecipitationHeight(var9, var10);
if (this.canLightningStrikeAt(var9, var11, var10)) {
this.addWeatherEffect(new EntityLightningBolt(this, (double) var9, (double) var11, (double) var10));
}
}
int var13;
theProfiler.endStartSection("precipitation");
if (provider.canDoRainSnowIce(chunk) && rand.nextInt(16) == 0) {
this.updateLCG = this.updateLCG * 3 + 1013904223;
var8 = this.updateLCG >> 2;
var9 = var8 & 15;
var10 = var8 >> 8 & 15;
var11 = this.getPrecipitationHeight(var9 + xPos, var10 + zPos);
if (this.isBlockFreezableNaturally(var9 + xPos, var11 - 1, var10 + zPos)) {
this.setBlockWithNotify(var9 + xPos, var11 - 1, var10 + zPos, Block.ice.blockID);
}
if (this.isRaining() && this.canSnowAt(var9 + xPos, var11, var10 + zPos)) {
this.setBlockWithNotify(var9 + xPos, var11, var10 + zPos, Block.snow.blockID);
}
if (this.isRaining()) {
BiomeGenBase var12 = this.getBiomeGenForCoords(var9 + xPos, var10 + zPos);
if (var12.canSpawnLightningBolt()) {
var13 = this.getBlockId(var9 + xPos, var11 - 1, var10 + zPos);
if (var13 != 0) {
Block.blocksList[var13].fillWithRain(this, var9 + xPos, var11 - 1, var10 + zPos);
}
}
}
}
theProfiler.endStartSection("blockTick");
ExtendedBlockStorage[] var19 = chunk.getBlockStorageArray();
var9 = var19.length;
for (var10 = 0; var10 < var9; ++var10) {
ExtendedBlockStorage var21 = var19[var10];
if (var21 != null && var21.getNeedsRandomTick()) {
for (int var20 = 0; var20 < 3; ++var20) {
this.updateLCG = this.updateLCG * 3 + 1013904223;
var13 = this.updateLCG >> 2;
int var14 = var13 & 15;
int var15 = var13 >> 8 & 15;
int var16 = var13 >> 16 & 15;
int var17 = var21.getExtBlockID(var14, var16, var15);
Block var18 = Block.blocksList[var17];
if (var18 != null && var18.getTickRandomly()) {
var18.updateTick(this, var14 + xPos, var16 + var21.getYLocation(), var15 + zPos, rand);
}
}
}
}
theProfiler.endSection();
}
}
public static class ThreadLocalRandom extends ThreadLocal<Random> {
@Override
public Random initialValue() {
return new Random();
}
}
}