Possibly fixed block/chunk leaking

src/main/java/net/minecraft/server/PlayerManager.java

@@ -9,9 +9,13 @@ public class PlayerManager {
     private PlayerList b = new PlayerList();
     private List c = new ArrayList();
     private MinecraftServer d;
+    private WorldServer world; // Craftbukkit
 
-    public PlayerManager(MinecraftServer minecraftserver) {
+    // Craftbukkit - change of method signature
+    public PlayerManager(MinecraftServer minecraftserver, WorldServer world) {
         this.d = minecraftserver;
+
+        this.world = world; // Craftbukkit
     }
 
     public void a() {

src/main/java/net/minecraft/server/ServerConfigurationManager.java

@@ -28,7 +28,7 @@ public class ServerConfigurationManager {
     public static Logger a = Logger.getLogger("Minecraft");
     public List b = new ArrayList();
     public MinecraftServer c; // Craftbukkit - public
-    public PlayerManager d; // Craftbukkit - public
+    // public PlayerManager d; // Craftbukkit - removed!
     private int e;
     private Set f = new HashSet();
     private Set g = new HashSet();
@@ -54,7 +54,7 @@ public class ServerConfigurationManager {
         this.i = minecraftserver.a("banned-players.txt");
         this.j = minecraftserver.a("banned-ips.txt");
         this.k = minecraftserver.a("ops.txt");
-        this.d = new PlayerManager(minecraftserver);
+        // this.d = new PlayerManager(minecraftserver); // Craftbukkit - removed!
         this.e = minecraftserver.d.a("max-players", 20);
         this.e();
         this.g();
@@ -69,7 +69,7 @@ public class ServerConfigurationManager {
     }
 
     public int a() {
-        return this.d.b();
+        return 144; // Craftbukkit - magic number from PlayerManager.b() (??)
     }
 
     public void a(EntityPlayer entityplayer) {
@@ -86,22 +86,22 @@ public class ServerConfigurationManager {
         entityplayer.world.a(entityplayer);
 
         server.getPluginManager().callEvent(new PlayerEvent(PlayerEvent.Type.PLAYER_JOIN, server.getPlayer(entityplayer)));
-        // Craftbukkit end
 
-        this.d.a(entityplayer);
+        ((WorldServer)entityplayer.world).manager.a(entityplayer);
+        // Craftbukkit end
     }
 
     public void b(EntityPlayer entityplayer) {
-        this.d.c(entityplayer);
+        ((WorldServer)entityplayer.world).c(entityplayer); // Craftbukkit
     }
 
     public void c(EntityPlayer entityplayer) {
         this.l.a(entityplayer);
         entityplayer.world.d(entityplayer); // Craftbukkit
         this.b.remove(entityplayer);
-        this.d.b(entityplayer);
 
         // CraftBukkit start
+        ((WorldServer)entityplayer.world).manager.b(entityplayer);
         server.getPluginManager().callEvent(new PlayerEvent(PlayerEvent.Type.PLAYER_QUIT, server.getPlayer(entityplayer))); // CraftBukkit
         // CraftBukkit end
     }
@@ -150,7 +150,7 @@ public class ServerConfigurationManager {
         // Craftbukkit start - every reference to this.c.e should be entityplayer.world
         this.c.k.a(entityplayer);
         this.c.k.b(entityplayer);
-        this.d.b(entityplayer);
+        ((WorldServer)entityplayer.world).manager.b(entityplayer);
         this.b.remove(entityplayer);
         entityplayer.world.e(entityplayer);
         EntityPlayer entityplayer1 = new EntityPlayer(this.c, entityplayer.world, entityplayer.name, new ItemInWorldManager(entityplayer.world));
@@ -177,7 +177,7 @@ public class ServerConfigurationManager {
 
         entityplayer1.a.b((Packet) (new Packet9Respawn()));
         entityplayer1.a.a(entityplayer1.locX, entityplayer1.locY, entityplayer1.locZ, entityplayer1.yaw, entityplayer1.pitch);
-        this.d.a(entityplayer1);
+        ((WorldServer)entityplayer1.world).manager.a(entityplayer1);
         entityplayer.world.a(entityplayer1);
         this.b.add(entityplayer1);
         entityplayer1.l();
@@ -186,12 +186,16 @@ public class ServerConfigurationManager {
     }
 
     public void b() {
-        this.d.a();
+        // Craftbukkit start
+        for (WorldServer world : c.worlds) {
+            world.manager.a();
+        }
+        // Craftbukkit end
     }
 
     // Craftbukkit - changed signature
     public void a(int i, int j, int k, WorldServer world) {
-        this.d.a(i, j, k, world); // Craftbukkit
+        world.manager.a(i, j, k, world); // Craftbukkit
     }
 
     public void a(Packet packet) {

src/main/java/net/minecraft/server/WorldServer.java

@@ -22,6 +22,7 @@ public class WorldServer extends World implements BlockChangeDelegate {
     public boolean C;
     private MinecraftServer D;
     private EntityList E = new EntityList();
+    public PlayerManager manager; // Craftbukkit
 
     public WorldServer(MinecraftServer minecraftserver, File file1, String s, int i) {
         super(file1, s, (new Random()).nextLong(), WorldProvider.a(i));
@@ -30,6 +31,7 @@ public class WorldServer extends World implements BlockChangeDelegate {
         // CraftBukkit start
         world = new CraftWorld(this);
         server = minecraftserver.server;
+        manager = new PlayerManager(minecraftserver, this);
     }
 
     private final CraftWorld world;

src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java

@@ -123,7 +123,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
         if (oldWorld != newWorld) {
             manager.c.k.a(entity);
             manager.c.k.b(entity);
-            manager.d.b(entity);
+            oldWorld.manager.b(entity);
             manager.b.remove(entity);
             oldWorld.e(entity);
 
@@ -136,7 +136,7 @@ public class CraftPlayer extends CraftHumanEntity implements Player {
             newWorld.A.d((int) location.getBlockX() >> 4, (int) location.getBlockZ() >> 4);
 
             newEntity.a.a(location.getX(), location.getY(), location.getZ(), location.getYaw(), location.getPitch());
-            manager.d.a(newEntity);
+            newWorld.manager.a(newEntity);
             newWorld.a(newEntity);
             manager.b.add(newEntity);
             newEntity.l();