From ec638c94f59ab071684d66c4f66c3c5a8c75d7c8 Mon Sep 17 00:00:00 2001 From: Aikar Date: Fri, 28 Nov 2014 04:14:14 -0600 Subject: [PATCH] Optimize TileEntity Ticking diff --git a/src/main/java/net/minecraft/server/TileEntity.java b/src/main/java/net/minecraft/server/TileEntity.java index 7cf38ea..76cdc7e 100644 --- a/src/main/java/net/minecraft/server/TileEntity.java +++ b/src/main/java/net/minecraft/server/TileEntity.java @@ -56,6 +56,12 @@ public abstract class TileEntity { } // Spigot end + // PaperSpigot start - Optimized TileEntity Tick changes + private static int tileEntityCounter = 0; + public boolean isAdded = false; + public int tileId = tileEntityCounter++; + // PaperSpigot end + public TileEntity() { this.position = BlockPosition.ZERO; this.h = -1; diff --git a/src/main/java/net/minecraft/server/TileEntityBeacon.java b/src/main/java/net/minecraft/server/TileEntityBeacon.java index 66b023c..65561c6 100644 --- a/src/main/java/net/minecraft/server/TileEntityBeacon.java +++ b/src/main/java/net/minecraft/server/TileEntityBeacon.java @@ -48,7 +48,7 @@ public class TileEntityBeacon extends TileEntityContainer implements IUpdatePlay public TileEntityBeacon() {} public void c() { - if (this.world.getTime() % 80L == 0L) { + if (true || this.world.getTime() % 80L == 0L) { // PaperSpigot - controlled by Improved Tick Handling this.m(); } diff --git a/src/main/java/net/minecraft/server/TileEntityChest.java b/src/main/java/net/minecraft/server/TileEntityChest.java index 7444f4f..0f29365 100644 --- a/src/main/java/net/minecraft/server/TileEntityChest.java +++ b/src/main/java/net/minecraft/server/TileEntityChest.java @@ -246,7 +246,7 @@ public class TileEntityChest extends TileEntityContainer implements IUpdatePlaye ++this.n; float f; - if (!this.world.isStatic && this.l != 0 && (this.n + i + j + k) % 200 == 0) { + if (!this.world.isStatic && this.l != 0 && (this.n + i + j + k) % 10 == 0) { // PaperSpigot Reduced 200 -> 10 interval due to reduced tick rate from Improved Tick Handling this.l = 0; f = 5.0F; List list = this.world.a(EntityHuman.class, new AxisAlignedBB((double) ((float) i - f), (double) ((float) j - f), (double) ((float) k - f), (double) ((float) (i + 1) + f), (double) ((float) (j + 1) + f), (double) ((float) (k + 1) + f))); diff --git a/src/main/java/net/minecraft/server/TileEntityEnderChest.java b/src/main/java/net/minecraft/server/TileEntityEnderChest.java index 794cdc8..218b801 100644 --- a/src/main/java/net/minecraft/server/TileEntityEnderChest.java +++ b/src/main/java/net/minecraft/server/TileEntityEnderChest.java @@ -10,7 +10,7 @@ public class TileEntityEnderChest extends TileEntity implements IUpdatePlayerLis public TileEntityEnderChest() {} public void c() { - if (++this.h % 20 * 4 == 0) { + if (++this.h % 4 == 0) { // PaperSpigot Reduced (20 * 4) -> 4 interval due to reduced tick rate from Improved Tick Handling this.world.playBlockAction(this.position, Blocks.ENDER_CHEST, 1, this.g); } diff --git a/src/main/java/net/minecraft/server/TileEntityLightDetector.java b/src/main/java/net/minecraft/server/TileEntityLightDetector.java index 7b6f8ae..c6b593f 100644 --- a/src/main/java/net/minecraft/server/TileEntityLightDetector.java +++ b/src/main/java/net/minecraft/server/TileEntityLightDetector.java @@ -5,7 +5,7 @@ public class TileEntityLightDetector extends TileEntity implements IUpdatePlayer public TileEntityLightDetector() {} public void c() { - if (this.world != null && !this.world.isStatic && this.world.getTime() % 20L == 0L) { + if (this.world != null && !this.world.isStatic /*&& this.world.getTime() % 20L == 0L*/) { // PaperSpigot - interval controlled by Improved Tick Handling this.e = this.w(); if (this.e instanceof BlockDaylightDetector) { ((BlockDaylightDetector) this.e).d(this.world, this.position); diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java index 91c0a2f..13a6169 100644 --- a/src/main/java/net/minecraft/server/World.java +++ b/src/main/java/net/minecraft/server/World.java @@ -3,13 +3,7 @@ package net.minecraft.server; import com.google.common.base.Predicate; import com.google.common.collect.Lists; -import java.util.ArrayList; -import java.util.Calendar; -import java.util.Collection; -import java.util.Iterator; -import java.util.List; -import java.util.Random; -import java.util.UUID; +import java.util.*; import java.util.concurrent.Callable; // CraftBukkit start @@ -59,7 +53,7 @@ public abstract class World implements IBlockAccess { // Spigot end protected final List g = Lists.newArrayList(); public final List h = Lists.newArrayList(); - public final List tileEntityList = Lists.newArrayList(); + public final Set tileEntityList = new org.github.paperspigot.WorldTileEntityList(this); // PaperSpigot private final List a = Lists.newArrayList(); private final List b = Lists.newArrayList(); public final List players = Lists.newArrayList(); diff --git a/src/main/java/org/github/paperspigot/WorldTileEntityList.java b/src/main/java/org/github/paperspigot/WorldTileEntityList.java new file mode 100644 index 0000000..1a53e94 --- /dev/null +++ b/src/main/java/org/github/paperspigot/WorldTileEntityList.java @@ -0,0 +1,175 @@ +package org.github.paperspigot; + +import com.google.common.collect.ArrayListMultimap; +import com.google.common.collect.Maps; +import com.google.common.collect.Multimap; +import net.minecraft.server.*; +import gnu.trove.map.hash.TObjectIntHashMap; + +import java.util.Collection; +import java.util.HashSet; +import java.util.Iterator; +import java.util.Map; + +public class WorldTileEntityList extends HashSet { + private static final TObjectIntHashMap> tileEntityTickIntervals = + new TObjectIntHashMap>() {{ + // Use -1 for no ticking + // These TE's have empty tick methods, doing nothing. Never bother ticking them. + for (Class ignored : new Class[]{ + TileEntityChest.class, // PaperSpigot - Don't tick chests either + TileEntityEnderChest.class, // PaperSpigot - Don't tick chests either + TileEntityRecordPlayer.class, + TileEntityDispenser.class, + TileEntityDropper.class, + TileEntitySign.class, + TileEntityNote.class, + TileEntityEnderPortal.class, + TileEntityCommand.class, + TileEntitySkull.class, + TileEntityComparator.class, + TileEntityFlowerPot.class + }) { + put(ignored, -1); + } + + // does findPlayer lookup, so this helps performance to slow down + put(TileEntityEnchantTable.class, 20); + + // Slow things down that players won't notice due to craftbukkit "wall time" patches. + // These need to be investigated further before they can be safely used here + //put(TileEntityFurnace.class, 20); + //put(TileEntityBrewingStand.class, 10); + + // Vanilla controlled values - These are checks already done in vanilla, so don't tick on ticks we know + // won't do anything anyways + put(TileEntityBeacon.class, 80); + put(TileEntityLightDetector.class, 20); + }}; + + private static int getInterval(Class cls) { + int tickInterval = tileEntityTickIntervals.get(cls); + return tickInterval != 0 ? tickInterval : 1; + } + + private static int getBucketId(TileEntity entity, Integer interval) { + return entity.tileId % interval; + } + + private final Map> tickList = Maps.newHashMap(); + private final WorldServer world; + + public WorldTileEntityList(World world) { + this.world = (WorldServer) world; + } + + + private Multimap getBucket(int interval) { + Multimap intervalBucket = tickList.get(interval); + if (intervalBucket == null) { + intervalBucket = ArrayListMultimap.create(); + tickList.put(interval, intervalBucket); + } + return intervalBucket; + } + + /** + * Adds the TileEntity to the tick list only if it is expected to tick + */ + @Override + public boolean add(TileEntity entity) { + if (entity.isAdded) { + return false; + } + + int interval = getInterval(entity.getClass()); + if (interval > 0) { + entity.isAdded = true; + int bucket = getBucketId(entity, interval); + Multimap typeBucket = getBucket(interval); + return typeBucket.put(bucket, entity); + } + return false; + } + + @Override + public boolean remove(Object o) { + if (!(o instanceof TileEntity)) { + return false; + } + TileEntity entity = (TileEntity) o; + if (!entity.isAdded) { + return false; + } + entity.isAdded = false; + int interval = getInterval(entity.getClass()); + int bucket = getBucketId(entity, interval); + Multimap typeBucket = getBucket(interval); + return typeBucket.remove(bucket, entity); + } + + @Override + public Iterator iterator() { + return new WorldTileEntityIterator(); + } + + @Override + public boolean contains(Object o) { + return o instanceof TileEntity && ((TileEntity) o).isAdded; + } + + private class WorldTileEntityIterator implements Iterator { + private final Iterator>> intervalIterator; + private Map.Entry> intervalMap = null; + private Iterator listIterator = null; + + protected WorldTileEntityIterator() { + intervalIterator = tickList.entrySet().iterator(); + nextInterval(); + } + + private boolean nextInterval() { + listIterator = null; + if (intervalIterator.hasNext()) { + intervalMap = intervalIterator.next(); + + final Integer interval = intervalMap.getKey(); + final Multimap buckets = intervalMap.getValue(); + + int bucket = (int) (world.getTime() % interval); + + if (!buckets.isEmpty() && buckets.containsKey(bucket)) { + final Collection tileList = buckets.get(bucket); + + if (tileList != null && !tileList.isEmpty()) { + listIterator = tileList.iterator(); + return true; + } + } + } + + return false; + + } + + @Override + public boolean hasNext() { + do { + if (listIterator != null && listIterator.hasNext()) { + return true; + } + } while (nextInterval()); + return false; + } + + @Override + public TileEntity next() { + return listIterator.next(); + } + + @Override + public void remove() { + listIterator.remove(); + } + } +} \ No newline at end of file -- 1.9.1