more patches (#5799)

2021-06-11 19:24:43 -07:00 · 2021-06-11 19:24:43 -07:00 · 933a189a04
commit 933a189a04
parent 650edb93ca
9 changed files with 155 additions and 176 deletions
--- a/patches/server/0066-Use-a-Shared-Random-for-Entities.patch
+++ b/patches/server/0066-Use-a-Shared-Random-for-Entities.patch
@ -0,0 +1,42 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Tue, 22 Mar 2016 00:33:47 -0400
+Subject: [PATCH] Use a Shared Random for Entities
+
+Reduces memory usage and provides ensures more randomness, Especially since a lot of garbage entity objects get created.
+
+diff --git a/src/main/java/net/minecraft/world/entity/Entity.java b/src/main/java/net/minecraft/world/entity/Entity.java
+index e9e87dc8c80d83dc7c472b0611077d8f9f4e5fcf..eceaeed527f34860e1c55b9f96863f140055faa7 100644
+--- a/src/main/java/net/minecraft/world/entity/Entity.java
+++ b/src/main/java/net/minecraft/world/entity/Entity.java
+@@ -153,6 +153,21 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
+         return tag.contains("Bukkit.updateLevel") && tag.getInt("Bukkit.updateLevel") >= level;
+     }
+ 
+    // Paper start
+    public static Random SHARED_RANDOM = new Random() {
+        private boolean locked = false;
+        @Override
+        public synchronized void setSeed(long seed) {
+            if (locked) {
+                LogManager.getLogger().error("Ignoring setSeed on Entity.SHARED_RANDOM", new Throwable());
+            } else {
+                super.setSeed(seed);
+                locked = true;
+            }
+        }
+    };
+    // Paper end
+
+     private CraftEntity bukkitEntity;
+ 
+     public CraftEntity getBukkitEntity() {
+@@ -304,7 +319,7 @@ public abstract class Entity implements Nameable, EntityAccess, CommandSource, n
+         this.bb = Entity.INITIAL_AABB;
+         this.stuckSpeedMultiplier = Vec3.ZERO;
+         this.nextStep = 1.0F;
+-        this.random = new Random();
+        this.random = SHARED_RANDOM; // Paper
+         this.remainingFireTicks = -this.getFireImmuneTicks();
+         this.fluidHeight = new Object2DoubleArrayMap(2);
+         this.firstTick = true;
--- a/patches/server/0067-Configurable-spawn-chances-for-skeleton-horses.patch
+++ b/patches/server/0067-Configurable-spawn-chances-for-skeleton-horses.patch
@ -0,0 +1,36 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Zach Brown <zach.brown@destroystokyo.com>
+Date: Tue, 22 Mar 2016 12:04:28 -0500
+Subject: [PATCH] Configurable spawn chances for skeleton horses
+
+
+diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+index 3c78d3234054ce2dc46ef77decb6adb0cbd10620..cd64fb9d0c6d123e1c86cb33f12cd9cefc9f80d0 100644
+--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+@@ -230,4 +230,12 @@ public class PaperWorldConfig {
+         log("Non Player Arrow Despawn Rate: " + nonPlayerArrowDespawnRate);
+         log("Creative Arrow Despawn Rate: " + creativeArrowDespawnRate);
+     }
+
+    public double skeleHorseSpawnChance;
+    private void skeleHorseSpawnChance() {
+        skeleHorseSpawnChance = getDouble("skeleton-horse-thunder-spawn-chance", 0.01D);
+        if (skeleHorseSpawnChance < 0) {
+            skeleHorseSpawnChance = 0.01D; // Vanilla value
+        }
+    }
+ }
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index 6aab4ba5da83f523632a0a39d45a0bcb2405f0cc..69b52097eede1a5c408aa7f34442e42255386436 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -596,7 +596,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
+             blockposition = this.findLightningTargetAround(this.getBlockRandomPos(j, 0, k, 15));
+             if (this.isRainingAt(blockposition)) {
+                 DifficultyInstance difficultydamagescaler = this.getCurrentDifficultyAt(blockposition);
+-                boolean flag1 = this.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && this.random.nextDouble() < (double) difficultydamagescaler.getEffectiveDifficulty() * 0.01D && !this.getBlockState(blockposition.below()).is(Blocks.LIGHTNING_ROD);
+                boolean flag1 = this.getGameRules().getBoolean(GameRules.RULE_DOMOBSPAWNING) && this.random.nextDouble() < (double) difficultydamagescaler.getEffectiveDifficulty() * paperConfig.skeleHorseSpawnChance && !this.getBlockState(blockposition.below()).is(Blocks.LIGHTNING_ROD); // Paper
+ 
+                 if (flag1) {
+                     SkeletonHorse entityhorseskeleton = (SkeletonHorse) EntityType.SKELETON_HORSE.create((net.minecraft.world.level.Level) this);
--- a/patches/server/0068-Optimize-isValidLocation-getType-and-getBlockData-fo.patch
+++ b/patches/server/0068-Optimize-isValidLocation-getType-and-getBlockData-fo.patch
@ -0,0 +1,193 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Thu, 3 Mar 2016 02:07:55 -0600
+Subject: [PATCH] Optimize isValidLocation, getType and getBlockData for
+ inlining
+
+Hot methods, so reduce # of instructions for the method.
+
+Move is valid location test to the BlockPosition class so that it can access local variables.
+
+Replace all calls to the new place to the unnecessary forward.
+
+Optimize getType and getBlockData to manually inline and optimize the calls
+
+diff --git a/src/main/java/net/minecraft/core/Vec3i.java b/src/main/java/net/minecraft/core/Vec3i.java
+index f4b5792e080d5181184eb661d005ce6cab649bf3..c66ae4d9eea993f3b7fcc6e253259db3346229d1 100644
+--- a/src/main/java/net/minecraft/core/Vec3i.java
+++ b/src/main/java/net/minecraft/core/Vec3i.java
+@@ -21,6 +21,15 @@ public class Vec3i implements Comparable<Vec3i> {
+     private int y;
+     private int z;
+ 
+    // Paper start
+    public boolean isValidLocation(net.minecraft.world.level.Level level) {
+        return getX() >= -30000000 && getZ() >= -30000000 && getX() < 30000000 && getZ() < 30000000 && !level.isOutsideBuildHeight(getY());
+    }
+    public boolean isInvalidYLocation(net.minecraft.world.level.Level level) {
+        return level.isOutsideBuildHeight(getY());
+    }
+    // Paper end
+
+     public Vec3i(int x, int y, int z) {
+         this.x = x;
+         this.y = y;
+diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
+index aee97243cc3e73f9e07ba8ed5d6dbe8c73ba016e..fdab998241a682bc3d75094e0893f98886e06266 100644
+--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
+@@ -259,7 +259,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+     }
+ 
+     public boolean isInWorldBounds(BlockPos pos) {
+-        return !this.isOutsideBuildHeight(pos) && Level.isInWorldBoundsHorizontal(pos);
+        return pos.isValidLocation(this); // Paper - use better/optimized check
+     }
+ 
+     public static boolean isInSpawnableBounds(BlockPos pos) {
+diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
+index 6a3f98edbc2b4056c5baf00277caee327e444a77..974ab04b08bbd3c27a394b37c1af112be5f28f43 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
+@@ -29,6 +29,7 @@ public interface ChunkAccess extends BlockGetter, FeatureAccess {
+         return GameEventDispatcher.NOOP;
+     }
+ 
+    BlockState getType(final int x, final int y, final int z); // Paper
+     @Nullable
+     BlockState setBlockState(BlockPos pos, BlockState state, boolean moved);
+ 
+diff --git a/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java
+index 84ebfdfc4350fb57ca2959e000b33b8d5efa6e0b..69c2454533e6f21c70792b555ec02c6bc6d169b3 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java
+@@ -19,6 +19,11 @@ public class EmptyLevelChunk extends LevelChunk {
+         super(world, pos, new EmptyLevelChunk.EmptyChunkBiomeContainer(world));
+     }
+ 
+    // Paper start
+    @Override public BlockState getType(int x, int y, int z) {
+        return Blocks.VOID_AIR.defaultBlockState();
+    }
+    // Paper end
+     @Override
+     public BlockState getBlockState(BlockPos pos) {
+         return Blocks.VOID_AIR.defaultBlockState();
+diff --git a/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java b/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java
+index c1beb6d5fc3cabfeacf0ffbf563e53ff7984c5d3..452b513e8b89d865a396066adaf4feb1140e1c62 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java
+@@ -40,6 +40,11 @@ public class ImposterProtoChunk extends ProtoChunk {
+     public BlockState getBlockState(BlockPos pos) {
+         return this.wrapped.getBlockState(pos);
+     }
+    // Paper start
+    public final BlockState getType(final int x, final int y, final int z) {
+        return this.wrapped.getBlockData(x, y, z);
+    }
+    // Paper end
+ 
+     @Override
+     public FluidState getFluidState(BlockPos pos) {
+diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+index 9939c4c39549771afe971a6433dfd57e36050dd8..7e5e16fd61b39d2093459766e8aaa10bb05f6763 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+@@ -337,12 +337,28 @@ public class LevelChunk implements ChunkAccess {
+         return this.sections;
+     }
+ 
+    // Paper start - Optimize getBlockData to reduce instructions
+     @Override
+     public BlockState getBlockState(BlockPos pos) {
+-        int i = pos.getX();
+-        int j = pos.getY();
+-        int k = pos.getZ();
+        return this.getBlockData(pos.getX(), pos.getY(), pos.getZ());
+    }
+
+    public BlockState getType(final int x, final int y, final int z) {
+        return this.getBlockData(x, y, z);
+    }
+    public final BlockState getBlockData(final int x, final int y, final int z) {
+        // Method body / logic copied from below
+        final int i = this.getSectionIndex(y);
+        if (i < 0 || i >= this.sections.length || this.sections[i] == null || this.sections[i].nonEmptyBlockCount == 0) {
+            return Blocks.AIR.defaultBlockState();
+        }
+        // Inlined ChunkSection.getType() and DataPaletteBlock.a(int,int,int)
+        return this.sections[i].states.get((y & 15) << 8 | (z & 15) << 4 | x & 15);
+ 
+    }
+
+    public BlockState getBlockData_unused(int i, int j, int k) {
+        // Paper end
+         if (this.level.isDebug()) {
+             BlockState iblockdata = null;
+ 
+diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
+index 03fd5684aec8fa0d87963f2adcd8244e92840917..5fd66020a937b641e2a060cf38df731a43f3bf55 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
+@@ -15,10 +15,10 @@ public class LevelChunkSection {
+     public static final int SECTION_SIZE = 4096;
+     public static final Palette<BlockState> GLOBAL_BLOCKSTATE_PALETTE = new GlobalPalette<>(Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState());
+     private final int bottomBlockY;
+-    private short nonEmptyBlockCount;
+    short nonEmptyBlockCount; // Paper - package-private
+     private short tickingBlockCount;
+     private short tickingFluidCount;
+-    private final PalettedContainer<BlockState> states;
+    final PalettedContainer<BlockState> states; // Paper - package-private
+ 
+     public LevelChunkSection(int yOffset) {
+         this(yOffset, (short)0, (short)0, (short)0);
+@@ -37,7 +37,7 @@ public class LevelChunkSection {
+     }
+ 
+     public BlockState getBlockState(int x, int y, int z) {
+-        return this.states.get(x, y, z);
+        return this.states.get(y << 8 | z << 4 | x); // Paper - inline
+     }
+ 
+     public FluidState getFluidState(int x, int y, int z) {
+diff --git a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
+index 4a6781919eb78abc33f549693d88019b42ef6e95..5ea60bbb56450502f1ceb41959239ab579458ac2 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
+@@ -136,7 +136,7 @@ public class PalettedContainer<T> implements PaletteResize<T> {
+     }
+ 
+     public T get(int x, int y, int z) {
+-        return this.get(getIndex(x, y, z));
+        return this.get(y << 8 | z << 4 | x); // Paper - inline
+     }
+ 
+     protected T get(int index) {
+diff --git a/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java b/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java
+index 39fe8f64528ad08594aaaa88e5c989c82e4e29d3..da36e6d40ad3e8b7cdbe09ef911d1e5b8c28670f 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java
+@@ -104,14 +104,18 @@ public class ProtoChunk implements ChunkAccess {
+ 
+     @Override
+     public BlockState getBlockState(BlockPos pos) {
+-        int i = pos.getY();
+-        if (this.isOutsideBuildHeight(i)) {
+        // Paper start
+        return getType(pos.getX(), pos.getY(), pos.getZ());
+    }
+    public BlockState getType(final int x, final int y, final int z) {
+        if (this.isOutsideBuildHeight(y)) {
+             return Blocks.VOID_AIR.defaultBlockState();
+         } else {
+-            LevelChunkSection levelChunkSection = this.getSections()[this.getSectionIndex(i)];
+-            return LevelChunkSection.isEmpty(levelChunkSection) ? Blocks.AIR.defaultBlockState() : levelChunkSection.getBlockState(pos.getX() & 15, i & 15, pos.getZ() & 15);
+            LevelChunkSection chunksection = this.getSections()[this.getSectionIndex(y)];
+            return chunksection == LevelChunk.EMPTY_CHUNK_SECTION || chunksection.isEmpty() ? Blocks.AIR.defaultBlockState() : chunksection.getBlockState(x & 15, y & 15, z & 15);
+         }
+     }
+    // Paper end
+ 
+     @Override
+     public FluidState getFluidState(BlockPos pos) {
--- a/patches/server/0069-Only-process-BlockPhysicsEvent-if-a-plugin-has-a-lis.patch
+++ b/patches/server/0069-Only-process-BlockPhysicsEvent-if-a-plugin-has-a-lis.patch
@ -0,0 +1,95 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Mon, 28 Mar 2016 19:55:45 -0400
+Subject: [PATCH] Only process BlockPhysicsEvent if a plugin has a listener
+
+Saves on some object allocation and processing when no plugin listens to this
+
+diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
+index c6a59fa4b30d54baa638c931f045b2d546da021a..591f7452005cbfb567b611b3ba71c16596f9edfa 100644
+--- a/src/main/java/net/minecraft/server/MinecraftServer.java
+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
+@@ -1362,6 +1362,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+ 
+         while (iterator.hasNext()) {
+             ServerLevel worldserver = (ServerLevel) iterator.next();
+            worldserver.hasPhysicsEvent =  org.bukkit.event.block.BlockPhysicsEvent.getHandlerList().getRegisteredListeners().length > 0; // Paper
+ 
+             this.profiler.push(() -> {
+                 return worldserver + " " + worldserver.dimension().location();
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index 69b52097eede1a5c408aa7f34442e42255386436..9394dd781bb27b273c442972c5923615ac406507 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -201,6 +201,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
+     private int tickPosition;
+     public final LevelStorageSource.LevelStorageAccess convertable;
+     public final UUID uuid;
+    public boolean hasPhysicsEvent = true; // Paper
+ 
+     @Override public LevelChunk getChunkIfLoaded(int x, int z) { // Paper - this was added in world too but keeping here for NMS ABI
+         return this.chunkSource.getChunk(x, z, false);
+diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
+index fdab998241a682bc3d75094e0893f98886e06266..81a8e314b5073a5888a3c04d53ff279c8142a7d4 100644
+--- a/src/main/java/net/minecraft/world/level/Level.java
+++ b/src/main/java/net/minecraft/world/level/Level.java
+@@ -470,7 +470,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+                 // CraftBukkit start
+                 iblockdata1.updateIndirectNeighbourShapes(this, blockposition, k, j - 1); // Don't call an event for the old block to limit event spam
+                 CraftWorld world = ((ServerLevel) this).getWorld();
+-                if (world != null) {
+                if (world != null && ((ServerLevel)this).hasPhysicsEvent) { // Paper
+                     BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(blockposition.getX(), blockposition.getY(), blockposition.getZ()), CraftBlockData.fromData(iblockdata));
+                     this.getCraftServer().getPluginManager().callEvent(event);
+ 
+@@ -580,7 +580,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
+             try {
+                 // CraftBukkit start
+                 CraftWorld world = ((ServerLevel) this).getWorld();
+-                if (world != null) {
+                if (world != null && ((ServerLevel)this).hasPhysicsEvent) { // Paper
+                     BlockPhysicsEvent event = new BlockPhysicsEvent(world.getBlockAt(pos.getX(), pos.getY(), pos.getZ()), CraftBlockData.fromData(iblockdata), world.getBlockAt(neighborPos.getX(), neighborPos.getY(), neighborPos.getZ()));
+                     this.getCraftServer().getPluginManager().callEvent(event);
+ 
+diff --git a/src/main/java/net/minecraft/world/level/block/BushBlock.java b/src/main/java/net/minecraft/world/level/block/BushBlock.java
+index 24227939493f852a88477c84160bda1605291eb0..1f8cf302d2309aec2955832ffafd87f14934e141 100644
+--- a/src/main/java/net/minecraft/world/level/block/BushBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/BushBlock.java
+@@ -4,6 +4,7 @@ import net.minecraft.core.BlockPos;
+ import net.minecraft.core.Direction;
+ import net.minecraft.tags.BlockTags;
+ import net.minecraft.tags.Tag;
+import net.minecraft.server.level.ServerLevel;
+ import net.minecraft.world.level.BlockGetter;
+ import net.minecraft.world.level.LevelAccessor;
+ import net.minecraft.world.level.LevelReader;
+@@ -25,7 +26,7 @@ public class BushBlock extends Block {
+     public BlockState updateShape(BlockState state, Direction direction, BlockState neighborState, LevelAccessor world, BlockPos pos, BlockPos neighborPos) {
+         // CraftBukkit start
+         if (!state.canSurvive(world, pos)) {
+-            if (!org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) {
+            if (!(world instanceof ServerLevel && ((ServerLevel) world).hasPhysicsEvent) || !org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) { // Paper
+                 return Blocks.AIR.defaultBlockState();
+             }
+         }
+diff --git a/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java b/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
+index 08870ea2431ba27474a275006071801c01cc9b1c..9c010d8359a36f3b2d4af3d828bc2dca792ef2f4 100644
+--- a/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
+++ b/src/main/java/net/minecraft/world/level/block/DoublePlantBlock.java
+@@ -4,6 +4,7 @@ import javax.annotation.Nullable;
+ import net.minecraft.core.BlockPos;
+ import net.minecraft.core.Direction;
+ import net.minecraft.util.Mth;
+import net.minecraft.server.level.ServerLevel;
+ import net.minecraft.world.entity.LivingEntity;
+ import net.minecraft.world.entity.player.Player;
+ import net.minecraft.world.item.ItemStack;
+@@ -85,7 +86,7 @@ public class DoublePlantBlock extends BushBlock {
+ 
+     protected static void preventCreativeDropFromBottomPart(Level world, BlockPos pos, BlockState state, Player player) {
+         // CraftBukkit start
+-        if (org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) {
+        if (((ServerLevel)world).hasPhysicsEvent && org.bukkit.craftbukkit.event.CraftEventFactory.callBlockPhysicsEvent(world, pos).isCancelled()) { // Paper
+             return;
+         }
+         // CraftBukkit end
--- a/patches/server/0070-Entity-AddTo-RemoveFrom-World-Events.patch
+++ b/patches/server/0070-Entity-AddTo-RemoveFrom-World-Events.patch
@ -0,0 +1,26 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Mon, 28 Mar 2016 20:32:58 -0400
+Subject: [PATCH] Entity AddTo/RemoveFrom World Events
+
+
+diff --git a/src/main/java/net/minecraft/server/level/ServerLevel.java b/src/main/java/net/minecraft/server/level/ServerLevel.java
+index 9394dd781bb27b273c442972c5923615ac406507..b1c9a21574d6adba5d01caea0abac16a0e214a8f 100644
+--- a/src/main/java/net/minecraft/server/level/ServerLevel.java
+++ b/src/main/java/net/minecraft/server/level/ServerLevel.java
+@@ -1116,6 +1116,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
+                 entity.origin = entity.getBukkitEntity().getLocation();
+             }
+             // Paper end
+            new com.destroystokyo.paper.event.entity.EntityAddToWorldEvent(entity.getBukkitEntity()).callEvent(); // Paper - fire while valid
+         }
+ 
+     }
+@@ -1964,6 +1965,7 @@ public class ServerLevel extends net.minecraft.world.level.Level implements Worl
+             }
+ 
+             entity.valid = false; // CraftBukkit
+            new com.destroystokyo.paper.event.entity.EntityRemoveFromWorldEvent(entity.getBukkitEntity()).callEvent(); // Paper - fire while valid
+         }
+     }
+ }
--- a/patches/server/0071-Configurable-Chunk-Inhabited-Time.patch
+++ b/patches/server/0071-Configurable-Chunk-Inhabited-Time.patch
@ -0,0 +1,44 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Mon, 28 Mar 2016 20:46:14 -0400
+Subject: [PATCH] Configurable Chunk Inhabited Time
+
+Vanilla stores how long a chunk has been active on a server, and dynamically scales some
+aspects of vanilla gameplay to this factor.
+
+For people who want all chunks to be treated equally, you can chose a fixed value.
+
+This allows to fine-tune vanilla gameplay.
+
+diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+index cd64fb9d0c6d123e1c86cb33f12cd9cefc9f80d0..74ba5dbb83c13ce1721619b755036a7864a1fb90 100644
+--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+@@ -238,4 +238,14 @@ public class PaperWorldConfig {
+             skeleHorseSpawnChance = 0.01D; // Vanilla value
+         }
+     }
+
+    public int fixedInhabitedTime;
+    private void fixedInhabitedTime() {
+        if (PaperConfig.version < 16) {
+            if (!config.getBoolean("world-settings.default.use-chunk-inhabited-timer", true)) config.set("world-settings.default.fixed-chunk-inhabited-time", 0);
+            if (!config.getBoolean("world-settings." + worldName + ".use-chunk-inhabited-timer", true)) config.set("world-settings." + worldName + ".fixed-chunk-inhabited-time", 0);
+            set("use-chunk-inhabited-timer", null);
+        }
+        fixedInhabitedTime = getInt("fixed-chunk-inhabited-time", -1);
+    }
+ }
+diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+index 7e5e16fd61b39d2093459766e8aaa10bb05f6763..5c5a55003658d75ad8295cbd7ff0450e08600d68 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
+@@ -978,7 +978,7 @@ public class LevelChunk implements ChunkAccess {
+ 
+     @Override
+     public long getInhabitedTime() {
+-        return this.inhabitedTime;
+        return this.level.paperConfig.fixedInhabitedTime < 0 ? this.inhabitedTime : this.level.paperConfig.fixedInhabitedTime; // Paper
+     }
+ 
+     @Override
--- a/patches/server/0072-EntityPathfindEvent.patch
+++ b/patches/server/0072-EntityPathfindEvent.patch
@ -0,0 +1,118 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Mon, 28 Mar 2016 21:22:26 -0400
+Subject: [PATCH] EntityPathfindEvent
+
+Fires when an Entity decides to start moving to a location.
+
+diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
+index 3afe97f4e330016164e741934c888f5b85824e67..48a42a8374641f4737d5eb6a460bf80a12c2cae5 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/FlyingPathNavigation.java
+@@ -35,7 +35,7 @@ public class FlyingPathNavigation extends PathNavigation {
+ 
+     @Override
+     public Path createPath(Entity entity, int distance) {
+-        return this.createPath(entity.blockPosition(), distance);
+        return this.a(entity.blockPosition(), entity, distance); // Paper - Forward target entity
+     }
+ 
+     @Override
+diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
+index d2e71f1e70a8b3360110f7e5e6c5ec278218ae27..0ac90b5fefa9720a9d0130f5438e5ef55fccf29a 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/GroundPathNavigation.java
+@@ -70,7 +70,7 @@ public class GroundPathNavigation extends PathNavigation {
+ 
+     @Override
+     public Path createPath(Entity entity, int distance) {
+-        return this.createPath(entity.blockPosition(), distance);
+        return this.a(entity.blockPosition(), entity, distance); // Paper - Forward target entity
+     }
+ 
+     private int getSurfaceY() {
+diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+index 92e1c43b0b7d901636b7fee7136e573f440e0179..e6a2f836e70a267da36ec87e0df68e36bae3626c 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+@@ -10,6 +10,7 @@ import net.minecraft.core.BlockPos;
+ import net.minecraft.core.Vec3i;
+ import net.minecraft.network.protocol.game.DebugPackets;
+ import net.minecraft.tags.BlockTags;
+import net.minecraft.server.MCUtil;
+ import net.minecraft.util.Mth;
+ import net.minecraft.world.entity.Entity;
+ import net.minecraft.world.entity.Mob;
+@@ -26,7 +27,7 @@ import net.minecraft.world.phys.Vec3;
+ 
+ public abstract class PathNavigation {
+     private static final int MAX_TIME_RECOMPUTE = 20;
+-    protected final Mob mob;
+    protected final Mob mob; public Entity getEntity() { return mob; } // Paper - OBFHELPER
+     protected final Level level;
+     @Nullable
+     protected Path path;
+@@ -108,7 +109,12 @@ public abstract class PathNavigation {
+ 
+     @Nullable
+     public Path createPath(BlockPos target, int distance) {
+-        return this.createPath(ImmutableSet.of(target), 8, false, distance);
+        // Paper start - add target parameter
+        return this.a(target, null, distance);
+    }
+    @Nullable public Path a(BlockPos blockposition, Entity target, int distance) {
+        return this.createPath(ImmutableSet.of(blockposition), target, 8, false, distance);
+        // Paper end
+     }
+ 
+     @Nullable
+@@ -118,7 +124,7 @@ public abstract class PathNavigation {
+ 
+     @Nullable
+     public Path createPath(Entity entity, int distance) {
+-        return this.createPath(ImmutableSet.of(entity.blockPosition()), 16, true, distance);
+        return this.createPath(ImmutableSet.of(entity.blockPosition()), entity, 16, true, distance); // Paper
+     }
+ 
+     @Nullable
+@@ -128,6 +134,16 @@ public abstract class PathNavigation {
+ 
+     @Nullable
+     protected Path createPath(Set<BlockPos> positions, int range, boolean useHeadPos, int distance, float followRange) {
+        return this.createPath(positions, null, range, useHeadPos, distance, (float) this.mob.getAttributeValue(Attributes.FOLLOW_RANGE));
+    }
+
+    @Nullable
+    protected Path createPath(Set<BlockPos> positions, Entity target, int range, boolean useHeadPos, int distance) {
+        return this.createPath(positions, target, range, useHeadPos, distance, (float) this.mob.getAttributeValue(Attributes.FOLLOW_RANGE));
+    }
+
+    @Nullable protected Path createPath(Set<BlockPos> positions, Entity target, int range, boolean useHeadPos, int distance, float followRange) {
+        // Paper end
+         if (positions.isEmpty()) {
+             return null;
+         } else if (this.mob.getY() < (double)this.level.getMinBuildHeight()) {
+@@ -137,6 +153,23 @@ public abstract class PathNavigation {
+         } else if (this.path != null && !this.path.isDone() && positions.contains(this.targetPos)) {
+             return this.path;
+         } else {
+            // Paper start - Pathfind event
+            boolean copiedSet = false;
+            for (BlockPos possibleTarget : positions) {
+                if (!new com.destroystokyo.paper.event.entity.EntityPathfindEvent(getEntity().getBukkitEntity(),
+                    MCUtil.toLocation(getEntity().level, possibleTarget), target == null ? null : target.getBukkitEntity()).callEvent()) {
+                    if (!copiedSet) {
+                        copiedSet = true;
+                        positions = new java.util.HashSet<>(positions);
+                    }
+                    // note: since we copy the set this remove call is safe, since we're iterating over the old copy
+                    positions.remove(possibleTarget);
+                    if (positions.isEmpty()) {
+                        return null;
+                    }
+                }
+            }
+            // Paper end
+             this.level.getProfiler().push("pathfind");
+             BlockPos blockPos = useHeadPos ? this.mob.blockPosition().above() : this.mob.blockPosition();
+             int i = (int)(followRange + (float)range);
--- a/patches/server/0073-Sanitise-RegionFileCache-and-make-configurable.patch
+++ b/patches/server/0073-Sanitise-RegionFileCache-and-make-configurable.patch
@ -0,0 +1,39 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Antony Riley <antony@cyberiantiger.org>
+Date: Tue, 29 Mar 2016 08:22:55 +0300
+Subject: [PATCH] Sanitise RegionFileCache and make configurable.
+
+RegionFileCache prior to this patch would close every single open region
+file upon reaching a size of 256.
+This patch modifies that behaviour so it closes the the least recently
+used RegionFile.
+The implementation uses a LinkedHashMap as an LRU cache (modified from HashMap).
+The maximum size of the RegionFileCache is also made configurable.
+
+diff --git a/src/main/java/com/destroystokyo/paper/PaperConfig.java b/src/main/java/com/destroystokyo/paper/PaperConfig.java
+index 716f285e67019b8a62922d09c15883c99f9421aa..439dcc6effdc91830d2b7ede9063982998b37120 100644
+--- a/src/main/java/com/destroystokyo/paper/PaperConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperConfig.java
+@@ -227,4 +227,9 @@ public class PaperConfig {
+     private static void loadPermsBeforePlugins() {
+         loadPermsBeforePlugins = getBoolean("settings.load-permissions-yml-before-plugins", true);
+     }
+
+    public static int regionFileCacheSize = 256;
+    private static void regionFileCacheSize() {
+        regionFileCacheSize = Math.max(getInt("settings.region-file-cache-size", 256), 4);
+    }
+ }
+diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+index 1ed8232493c94bc0cf28ef8d4b647cb84bd3fe32..3c82f98a34a5911fdb9e3ba66c54d25f6944fd07 100644
+--- a/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/RegionFileStorage.java
+@@ -35,7 +35,7 @@ public final class RegionFileStorage implements AutoCloseable {
+         if (regionfile != null) {
+             return regionfile;
+         } else {
+-            if (this.regionCache.size() >= 256) {
+            if (this.regionCache.size() >= com.destroystokyo.paper.PaperConfig.regionFileCacheSize) { // Paper - configurable
+                 ((RegionFile) this.regionCache.removeLast()).close();
+             }
+ 
--- a/patches/server/0074-Do-not-load-chunks-for-Pathfinding.patch
+++ b/patches/server/0074-Do-not-load-chunks-for-Pathfinding.patch
@ -0,0 +1,68 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Aikar <aikar@aikar.co>
+Date: Thu, 31 Mar 2016 19:17:58 -0400
+Subject: [PATCH] Do not load chunks for Pathfinding
+
+
+diff --git a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+index e6a2f836e70a267da36ec87e0df68e36bae3626c..6c063351c76e92a8a91142a12db846d1c1f11921 100644
+--- a/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+++ b/src/main/java/net/minecraft/world/entity/ai/navigation/PathNavigation.java
+@@ -46,7 +46,7 @@ public abstract class PathNavigation {
+     private BlockPos targetPos;
+     private int reachRange;
+     private float maxVisitedNodesMultiplier = 1.0F;
+-    private final PathFinder pathFinder;
+    private final PathFinder pathFinder; public PathFinder getPathfinder() { return this.pathFinder; } // Paper - OBFHELPER
+     private boolean isStuck;
+ 
+     public PathNavigation(Mob mob, Level world) {
+diff --git a/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java b/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java
+index e855754bdb8431efc06c77b42d9a90b870abab8d..800d464207026d145056b39b298045121342b899 100644
+--- a/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/PathFinder.java
+@@ -21,7 +21,7 @@ public class PathFinder {
+     private static final float FUDGING = 1.5F;
+     private final Node[] neighbors = new Node[32];
+     private final int maxVisitedNodes;
+-    private final NodeEvaluator nodeEvaluator;
+    private final NodeEvaluator nodeEvaluator; public NodeEvaluator getPathfinder() { return this.nodeEvaluator; }  // Paper - OBFHELPER
+     private static final boolean DEBUG = false;
+     private final BinaryHeap openSet = new BinaryHeap();
+ 
+diff --git a/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java b/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
+index 204ed5665adf2df7252fe2d21872db6956415311..b37acb6e6e253529a38f44a518a02c7747d3145e 100644
+--- a/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
+++ b/src/main/java/net/minecraft/world/level/pathfinder/WalkNodeEvaluator.java
+@@ -453,7 +453,12 @@ public class WalkNodeEvaluator extends NodeEvaluator {
+                 for(int n = -1; n <= 1; ++n) {
+                     if (l != 0 || n != 0) {
+                         pos.set(i + l, j + m, k + n);
+-                        BlockState blockState = world.getBlockState(pos);
+                        // Paper start
+                        BlockState blockState = world.getTypeIfLoaded(pos);
+                        if (blockState == null) {
+                            return BlockPathTypes.BLOCKED;
+                        } else {
+                        // Paper end
+                         if (blockState.is(Blocks.CACTUS)) {
+                             return BlockPathTypes.DANGER_CACTUS;
+                         }
+@@ -469,6 +474,7 @@ public class WalkNodeEvaluator extends NodeEvaluator {
+                         if (world.getFluidState(pos).is(FluidTags.WATER)) {
+                             return BlockPathTypes.WATER_BORDER;
+                         }
+                        } // Paper
+                     }
+                 }
+             }
+@@ -478,7 +484,8 @@ public class WalkNodeEvaluator extends NodeEvaluator {
+     }
+ 
+     protected static BlockPathTypes getBlockPathTypeRaw(BlockGetter world, BlockPos pos) {
+-        BlockState blockState = world.getBlockState(pos);
+        BlockState blockState = world.getTypeIfLoaded(pos); // Paper
+        if (blockState == null) return BlockPathTypes.BLOCKED; // Paper
+         Block block = blockState.getBlock();
+         Material material = blockState.getMaterial();
+         if (blockState.isAir()) {