From dafcb9453f2b6debf6e9613b3a402a85f28e654a Mon Sep 17 00:00:00 2001 From: md_5 Date: Thu, 7 Mar 2013 20:12:46 +1100 Subject: [PATCH] Async Operation Catching Catch and throw an exception when a potentially unsafe operation occurs on a thread other than the main server thread. diff --git a/src/main/java/net/minecraft/server/Block.java b/src/main/java/net/minecraft/server/Block.java index afe8735..8fc6c12 100644 --- a/src/main/java/net/minecraft/server/Block.java +++ b/src/main/java/net/minecraft/server/Block.java @@ -342,9 +342,13 @@ public class Block { return 10; } - public void onPlace(World world, int i, int j, int k) {} + public void onPlace(World world, int i, int j, int k) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous block onPlace!"); // Spigot + } - public void remove(World world, int i, int j, int k, int l, int i1) {} + public void remove(World world, int i, int j, int k, int l, int i1) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous block remove!"); // Spigot + } public int a(Random random) { return 1; diff --git a/src/main/java/net/minecraft/server/EntityTracker.java b/src/main/java/net/minecraft/server/EntityTracker.java index 1d9203b..ebbef6a 100644 --- a/src/main/java/net/minecraft/server/EntityTracker.java +++ b/src/main/java/net/minecraft/server/EntityTracker.java @@ -87,6 +87,7 @@ public class EntityTracker { } public void addEntity(Entity entity, int i, int j, boolean flag) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity track!"); // Spigot if (i > this.d) { i = this.d; } @@ -122,6 +123,7 @@ public class EntityTracker { } public void untrackEntity(Entity entity) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity untrack!"); // Spigot if (entity instanceof EntityPlayer) { EntityPlayer entityplayer = (EntityPlayer) entity; Iterator iterator = this.b.iterator(); diff --git a/src/main/java/net/minecraft/server/EntityTrackerEntry.java b/src/main/java/net/minecraft/server/EntityTrackerEntry.java index 8545b50..1f5a652 100644 --- a/src/main/java/net/minecraft/server/EntityTrackerEntry.java +++ b/src/main/java/net/minecraft/server/EntityTrackerEntry.java @@ -297,6 +297,7 @@ public class EntityTrackerEntry { } public void updatePlayer(EntityPlayer entityplayer) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous player tracker update!"); // Spigot if (entityplayer != this.tracker) { double d0 = entityplayer.locX - (double) (this.xLoc / 32); double d1 = entityplayer.locZ - (double) (this.zLoc / 32); @@ -513,6 +514,7 @@ public class EntityTrackerEntry { } public void clear(EntityPlayer entityplayer) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous player tracker clear!"); // Spigot if (this.trackedPlayers.contains(entityplayer)) { this.trackedPlayers.remove(entityplayer); entityplayer.removeQueue.add(Integer.valueOf(this.tracker.id)); diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java index 0968ed8..4ec4d08 100644 --- a/src/main/java/net/minecraft/server/World.java +++ b/src/main/java/net/minecraft/server/World.java @@ -925,6 +925,7 @@ public abstract class World implements IBlockAccess { } public boolean addEntity(Entity entity, SpawnReason spawnReason) { // Changed signature, added SpawnReason + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity add!"); // Spigot if (entity == null) return false; // CraftBukkit end @@ -1031,6 +1032,7 @@ public abstract class World implements IBlockAccess { } public void removeEntity(Entity entity) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity remove!"); // Spigot entity.die(); if (entity instanceof EntityHuman) { this.players.remove(entity); @@ -2448,6 +2450,7 @@ public abstract class World implements IBlockAccess { } public void a(List list) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous entity world add!"); // Spigot // CraftBukkit start Entity entity = null; for (int i = 0; i < list.size(); ++i) { diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java index fc71833..7601fb5 100644 --- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java +++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java @@ -159,6 +159,7 @@ public class CraftWorld implements World { } public boolean unloadChunkRequest(int x, int z, boolean safe) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous chunk unload!"); // Spigot if (safe && isChunkInUse(x, z)) { return false; } @@ -169,6 +170,7 @@ public class CraftWorld implements World { } public boolean unloadChunk(int x, int z, boolean save, boolean safe) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous chunk unload!"); // Spigot if (safe && isChunkInUse(x, z)) { return false; } @@ -236,6 +238,7 @@ public class CraftWorld implements World { } public boolean loadChunk(int x, int z, boolean generate) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous chunk load!"); // Spigot chunkLoadCount++; if (generate) { // Use the default variant of loadChunk when generate == true. diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java index 3cf0c28..988c6e7 100644 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java @@ -218,6 +218,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player { } public void kickPlayer(String message) { + if (Thread.currentThread() != MinecraftServer.getServer().primaryThread) throw new IllegalStateException("Asynchronous player kick!"); // Spigot if (getHandle().playerConnection == null) return; getHandle().playerConnection.disconnect(message == null ? "" : message); -- 1.8.1.2