Use default bukkit block placer if NMS fails

The default block placer uses only the Bukkit API to perform changes.
- It's a bit laggy for larger changes
- Still a lot faster than normal WorldEdit

bukkit/src/main/java/com/boydti/fawe/bukkit/v0/BukkitQueue_0.java

@@ -1,9 +1,7 @@
 package com.boydti.fawe.bukkit.v0;
 
-import com.boydti.fawe.Fawe;
 import com.boydti.fawe.object.FaweChunk;
 import com.boydti.fawe.util.FaweQueue;
-import com.boydti.fawe.util.TaskManager;
 import com.sk89q.worldedit.world.biome.BaseBiome;
 import java.util.Collection;
 import java.util.concurrent.ConcurrentHashMap;
@@ -12,7 +10,6 @@ import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
 import org.bukkit.World;
 import org.bukkit.event.Listener;
-import org.bukkit.plugin.Plugin;
 
 /**
  * The base object for 
@@ -27,14 +24,8 @@ public abstract class BukkitQueue_0 extends FaweQueue implements Listener {
     private ConcurrentHashMap<Long, FaweChunk<Chunk>> blocks = new ConcurrentHashMap<>();
     private LinkedBlockingDeque<FaweChunk<Chunk>> chunks = new LinkedBlockingDeque<>();
 
-    public BukkitQueue_0(String world) {
+    public BukkitQueue_0(final String world) {
         super(world);
-        TaskManager.IMP.task(new Runnable() {
-            @Override
-            public void run() {
-                Bukkit.getPluginManager().registerEvents(BukkitQueue_0.this, (Plugin) Fawe.imp());
-            }
-        });
     }
 
     @Override

bukkit/src/main/java/com/boydti/fawe/bukkit/v0/BukkitQueue_All.java

@@ -0,0 +1,291 @@
+package com.boydti.fawe.bukkit.v0;
+
+import com.boydti.fawe.Fawe;
+import com.boydti.fawe.FaweCache;
+import com.boydti.fawe.bukkit.v1_8.BukkitChunk_1_8;
+import com.boydti.fawe.config.Settings;
+import com.boydti.fawe.object.FaweChunk;
+import com.boydti.fawe.object.IntegerPair;
+import com.boydti.fawe.object.exception.FaweException;
+import com.boydti.fawe.util.TaskManager;
+import com.sk89q.worldedit.LocalWorld;
+import com.sk89q.worldedit.Vector2D;
+import com.sk89q.worldedit.bukkit.BukkitUtil;
+import com.sk89q.worldedit.world.biome.BaseBiome;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.concurrent.LinkedBlockingDeque;
+import org.bukkit.Bukkit;
+import org.bukkit.Chunk;
+import org.bukkit.World;
+import org.bukkit.block.Block;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.block.BlockPhysicsEvent;
+import org.bukkit.event.entity.ItemSpawnEvent;
+import org.bukkit.plugin.Plugin;
+import org.spigotmc.AsyncCatcher;
+
+public class BukkitQueue_All extends BukkitQueue_0 {
+    public final LinkedBlockingDeque<IntegerPair> loadQueue = new LinkedBlockingDeque<>();
+
+    public BukkitQueue_All(final String world) {
+        super(world);
+        TaskManager.IMP.repeat(new Runnable() {
+            @Override
+            public void run() {
+                synchronized (loadQueue) {
+                    while (loadQueue.size() > 0) {
+                        IntegerPair loc = loadQueue.poll();
+                        if (bukkitWorld == null) {
+                            bukkitWorld = Bukkit.getServer().getWorld(world);
+                        }
+                        if (!bukkitWorld.isChunkLoaded(loc.x, loc.z)) {
+                            bukkitWorld.loadChunk(loc.x, loc.z, true);
+                        }
+                    }
+                    loadQueue.notifyAll();
+                }
+            }
+        }, 1);
+        if (getClass() == BukkitQueue_All.class) {
+            TaskManager.IMP.task(new Runnable() {
+                @Override
+                public void run() {
+                    Bukkit.getPluginManager().registerEvents(BukkitQueue_All.this, (Plugin) Fawe.imp());
+                }
+            });
+        }
+    }
+
+
+    private boolean physicsFreeze = false;
+
+    @EventHandler
+    public void onPhysics(BlockPhysicsEvent event) {
+        if (physicsFreeze) {
+            event.setCancelled(true);
+        }
+    }
+
+    @EventHandler
+    public void onItemSpawn(ItemSpawnEvent event) {
+        if (physicsFreeze) {
+            event.setCancelled(true);
+        }
+    }
+
+    @Override
+    public Collection<FaweChunk<Chunk>> sendChunk(Collection<FaweChunk<Chunk>> fcs) {
+        return new ArrayList<>();
+    }
+
+    @Override
+    public boolean setComponents(FaweChunk<Chunk> fc) {
+        try {
+            startSet();
+            final BukkitChunk_1_8 fs = ((BukkitChunk_1_8) fc);
+            final Chunk chunk = fs.getChunk();
+            final World world = chunk.getWorld();
+            char[][] sections = fs.getIdArrays();
+            boolean done = false;
+            boolean more = false;
+            // Efficiently merge sections
+            for (int j = 0; j < sections.length; j++) {
+                final int jf = j;
+                int changes = fs.getCount(j);
+                int lighting = fs.getRelight(j);
+                if (changes == 0) {
+                    continue;
+                }
+                final char[] newArray = sections[j];
+                if (newArray == null) {
+                    continue;
+                }
+                if (done) {
+                    more = true;
+                    break;
+                }
+                done = true;
+                sections[j] = null;
+                ArrayList<Thread> threads = new ArrayList<Thread>();
+                for (int k = 0; k < 16; k++) {
+                    final int l = k << 8;
+                    final int y = FaweCache.CACHE_Y[j][l];
+                    Thread thread = new Thread(new Runnable() {
+                        @Override
+                        public void run() {
+                            for (int m = l; m < l + 256; m++) {
+                                int combined = newArray[m];
+                                switch (combined) {
+                                    case 0:
+                                        continue;
+                                    case 1:
+                                        int x = FaweCache.CACHE_X[jf][m];
+                                        int z = FaweCache.CACHE_Z[jf][m];
+                                        chunk.getBlock(x, y, z).setTypeId(0, false);
+                                        continue;
+                                    default:
+                                        x = FaweCache.CACHE_X[jf][m];
+                                        z = FaweCache.CACHE_Z[jf][m];
+                                        int id = combined >> 4;
+                                        int data = combined & 0xF;
+                                        Block block = chunk.getBlock(x, y, z);
+                                        if (data == 0) {
+                                            block.setTypeId(id, false);
+                                        } else {
+                                            block.setTypeIdAndData(id, (byte) data, false);
+                                        }
+                                        continue;
+                                }
+                            }
+                        }
+                    });
+                    threads.add(thread);
+                    thread.start();
+                }
+                for (Thread  thread : threads) {
+                    thread.join();
+                }
+            }
+            if (more) {
+                fc.addToQueue();
+            }
+
+            // Biomes
+            final int[][] biomes = fs.getBiomeArray();
+            if (biomes != null) {
+                final LocalWorld lw = BukkitUtil.getLocalWorld(world);
+                final int X = fs.getX() << 4;
+                final int Z = fs.getZ() << 4;
+                final BaseBiome bb = new BaseBiome(0);
+                int last = 0;
+                for (int x = 0; x < 16; x++) {
+                    final int[] array = biomes[x];
+                    if (array == null) {
+                        continue;
+                    }
+                    for (int z = 0; z < 16; z++) {
+                        final int biome = array[z];
+                        if (biome == 0) {
+                            continue;
+                        }
+                        if (last != biome) {
+                            last = biome;
+                            bb.setId(biome);
+                        }
+                        lw.setBiome(new Vector2D(X + x, Z + z), bb);
+                    }
+                }
+            }
+            endSet();
+            return true;
+        } catch (final Throwable e) {
+            e.printStackTrace();
+        }
+        endSet();
+        return false;
+    }
+
+    public void startSet() {
+        physicsFreeze = true;
+        try {
+            // Need to temporarily disable the async catcher since it can't discern safe/unsafe async calls
+            // The main thread will be locked until it is enabled again (if anything fails it will be enabled again)
+            AsyncCatcher.enabled = false;
+        } catch (Throwable ignore) {}
+    }
+
+    public void endSet() {
+        physicsFreeze = false;
+        try {
+            AsyncCatcher.enabled = true;
+        } catch (Throwable ignore) {}
+    }
+
+    @Override
+    public FaweChunk<Chunk> getChunk(int x, int z) {
+        return new BukkitChunk_1_8(this, x, z);
+    }
+
+    @Override
+    public boolean fixLighting(FaweChunk<?> fc, boolean fixAll) {
+        return true;
+    }
+
+    public void loadChunk(IntegerPair chunk) {
+        loadQueue.add(chunk);
+    }
+
+    public int lastChunkX = Integer.MIN_VALUE;
+    public int lastChunkZ = Integer.MIN_VALUE;
+    public int lastChunkY = Integer.MIN_VALUE;
+
+    private Object lastChunk;
+    private Object lastSection;
+
+    public Object getCachedChunk(int cx, int cz) {
+        return bukkitWorld.getChunkAt(cx, cz);
+    }
+
+    public Object getCachedSection(Object chunk, int cy) {
+        return lastChunk;
+    }
+
+    public int getCombinedId4Data(Object section, int x, int y, int z) {
+        Block block = ((Chunk) lastChunk).getBlock(x & 15, y, z & 15);
+        int combined = block.getTypeId() << 4;
+        if (FaweCache.hasData(combined)) {
+            combined += block.getData();
+        }
+        return combined;
+    }
+
+    @Override
+    public int getCombinedId4Data(int x, int y, int z) throws FaweException.FaweChunkLoadException {
+        if (y < 0 || y > 255) {
+            return 0;
+        }
+        int cx = x >> 4;
+        int cz = z >> 4;
+        int cy = y >> 4;
+        if (cx != lastChunkX || cz != lastChunkZ) {
+            if (bukkitWorld == null) {
+                bukkitWorld = Bukkit.getServer().getWorld(world);
+            }
+            lastChunkX = cx;
+            lastChunkZ = cz;
+            if (!bukkitWorld.isChunkLoaded(cx, cz)) {
+                boolean sync = Thread.currentThread() == Fawe.get().getMainThread();
+                if (sync) {
+                    bukkitWorld.loadChunk(cx, cz, true);
+                } else if (Settings.CHUNK_WAIT > 0) {
+                    synchronized (loadQueue) {
+                        loadQueue.add(new IntegerPair(cx, cz));
+                        try {
+                            loadQueue.wait(Settings.CHUNK_WAIT);
+                        } catch (InterruptedException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                    if (!bukkitWorld.isChunkLoaded(cx, cz)) {
+                        throw new FaweException.FaweChunkLoadException();
+                    }
+                } else {
+                    return 0;
+                }
+            }
+            lastChunk = getCachedChunk(cx, cz);
+            lastSection = getCachedSection(lastChunk, cy);
+        } else if (cy != lastChunkY) {
+            if (lastChunk == null) {
+                return 0;
+            }
+            lastSection = getCachedSection(lastChunk, cy);
+        }
+
+        if (lastChunk == null) {
+            return 0;
+        }
+        return getCombinedId4Data(lastSection, x, y, z);
+    }
+}

bukkit/src/main/java/com/boydti/fawe/bukkit/v1_8/BukkitQueue_1_8.java

@@ -2,12 +2,11 @@ package com.boydti.fawe.bukkit.v1_8;
 
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.FaweCache;
-import com.boydti.fawe.bukkit.v0.BukkitQueue_0;
+import com.boydti.fawe.bukkit.v0.BukkitQueue_All;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.FaweChunk;
 import com.boydti.fawe.object.FawePlayer;
 import com.boydti.fawe.object.IntegerPair;
-import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.MemUtil;
 import com.boydti.fawe.util.ReflectionUtils.RefClass;
 import com.boydti.fawe.util.ReflectionUtils.RefConstructor;
@@ -31,7 +30,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
-import java.util.concurrent.LinkedBlockingDeque;
 import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
 import org.bukkit.Location;
@@ -46,7 +44,7 @@ import org.bukkit.generator.ChunkGenerator;
 
 import static com.boydti.fawe.util.ReflectionUtils.getRefClass;
 
-public class BukkitQueue_1_8 extends BukkitQueue_0 {
+public class BukkitQueue_1_8 extends BukkitQueue_All {
 
     private final RefClass classEntityPlayer = getRefClass("{nms}.EntityPlayer");
     private final RefClass classMapChunk = getRefClass("{nms}.PacketPlayOutMapChunk");
@@ -99,75 +97,23 @@ public class BukkitQueue_1_8 extends BukkitQueue_0 {
         } catch (final NoSuchMethodException e) {
             e.printStackTrace();
         }
-        TaskManager.IMP.repeat(new Runnable() {
-            @Override
-            public void run() {
-                synchronized (loadQueue) {
-                    while (loadQueue.size() > 0) {
-                        IntegerPair loc = loadQueue.poll();
-                        if (bukkitWorld == null) {
-                            bukkitWorld = Bukkit.getServer().getWorld(world);
-                        }
-                        if (!bukkitWorld.isChunkLoaded(loc.x, loc.z)) {
-                            bukkitWorld.loadChunk(loc.x, loc.z, true);
-                        }
-                    }
-                    loadQueue.notifyAll();
-                }
-            }
-        }, 1);
     }
 
-    private LinkedBlockingDeque<IntegerPair> loadQueue = new LinkedBlockingDeque<>();
+    public Object getCachedChunk(int cx, int cz) {
+        return methodGetHandleChunk.of(bukkitWorld.getChunkAt(cx, cz)).call();
+    }
 
-    @Override
+    public Object getCachedSection(Object chunk, int cy) {
-    public int getCombinedId4Data(int x, int y, int z) throws FaweException.FaweChunkLoadException {
+        Object storage = ((Object[]) fieldSections.of(chunk).get())[cy];
-        if (y < 0 || y > 255) {
-            return 0;
-        }
-        int cx = x >> 4;
-        int cz = z >> 4;
-        int cy = y >> 4;
-        if (cx != lcx || cz != lcz) {
-            if (bukkitWorld == null) {
-                bukkitWorld = Bukkit.getServer().getWorld(world);
-            }
-            lcx = cx;
-            lcz = cz;
-            if (!bukkitWorld.isChunkLoaded(cx, cz)) {
-                boolean sync = Thread.currentThread() == Fawe.get().getMainThread();
-                if (sync) {
-                    bukkitWorld.loadChunk(cx, cz, true);
-                } else if (Settings.CHUNK_WAIT > 0) {
-                    synchronized (loadQueue) {
-                        loadQueue.add(new IntegerPair(cx, cz));
-                        try {
-                            loadQueue.wait(Settings.CHUNK_WAIT);
-                        } catch (InterruptedException e) {
-                            e.printStackTrace();
-                        }
-                    }
-                    if (!bukkitWorld.isChunkLoaded(cx, cz)) {
-                        throw new FaweException.FaweChunkLoadException();
-                    }
-                } else {
-                    return 0;
-                }
-            }
-            lc = methodGetHandleChunk.of(bukkitWorld.getChunkAt(cx, cz)).call();
-        } else if (cy == lcy) {
-            return ls != null ? ls[FaweCache.CACHE_J[y][x & 15][z & 15]] : 0;
-        }
-        if (lc == null) {
-            return 0;
-        }
-        Object storage = ((Object[]) fieldSections.of(lc).get())[cy];
         if (storage == null) {
-            ls = null;
+            return null;
-            return 0;
         }
-        ls = getIdArray(storage);
+        return getIdArray(storage);
-        return ls[FaweCache.CACHE_J[y][x & 15][z & 15]];
+    }
+
+    public int getCombinedId4Data(Object section, int x, int y, int z) {
+        char[] ls = (char[]) section;
+        return ls != null ? ls[FaweCache.CACHE_J[y][x & 15][z & 15]] : 0;
     }
 
     @Override
@@ -337,12 +283,6 @@ public class BukkitQueue_1_8 extends BukkitQueue_0 {
         return array[j] >> 4;
     }
 
-    private int lcx = Integer.MIN_VALUE;
-    private int lcz = Integer.MIN_VALUE;
-    private int lcy = Integer.MIN_VALUE;
-    private Object lc;
-    private char[] ls;
-
     @Override
     public boolean setComponents(final FaweChunk<Chunk> fc) {
         try {

bukkit/src/main/java/com/boydti/fawe/bukkit/v1_9/BukkitQueue_1_9.java

@@ -2,13 +2,12 @@ package com.boydti.fawe.bukkit.v1_9;
 
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.FaweCache;
-import com.boydti.fawe.bukkit.v0.BukkitQueue_0;
+import com.boydti.fawe.bukkit.v0.BukkitQueue_All;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.FaweChunk;
 import com.boydti.fawe.object.FawePlayer;
 import com.boydti.fawe.object.IntegerPair;
 import com.boydti.fawe.object.PseudoRandom;
-import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.MemUtil;
 import com.boydti.fawe.util.ReflectionUtils.RefClass;
 import com.boydti.fawe.util.ReflectionUtils.RefConstructor;
@@ -29,7 +28,6 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
-import java.util.concurrent.LinkedBlockingDeque;
 import org.bukkit.Bukkit;
 import org.bukkit.Chunk;
 import org.bukkit.Location;
@@ -45,7 +43,7 @@ import org.bukkit.generator.ChunkGenerator;
 
 import static com.boydti.fawe.util.ReflectionUtils.getRefClass;
 
-public class BukkitQueue_1_9 extends BukkitQueue_0 {
+public class BukkitQueue_1_9 extends BukkitQueue_All {
 
     private final RefClass classMapChunk = getRefClass("{nms}.PacketPlayOutMapChunk");
     private final RefClass classChunk = getRefClass("{nms}.Chunk");
@@ -89,67 +87,18 @@ public class BukkitQueue_1_9 extends BukkitQueue_0 {
         this.tileEntityListTick = this.classWorld.getField("tileEntityListTick");
         this.methodGetWorld = this.classChunk.getMethod("getWorld");
         this.methodGetCombinedId = classBlock.getMethod("getCombinedId", classIBlockData.getRealClass());
-        TaskManager.IMP.repeat(new Runnable() {
-            @Override
-            public void run() {
-                synchronized (loadQueue) {
-                    while (loadQueue.size() > 0) {
-                        IntegerPair loc = loadQueue.poll();
-                        if (bukkitWorld == null) {
-                            bukkitWorld = Bukkit.getServer().getWorld(world);
-                        }
-                        if (!bukkitWorld.isChunkLoaded(loc.x, loc.z)) {
-                            bukkitWorld.loadChunk(loc.x, loc.z, true);
-                        }
-                    }
-                    loadQueue.notifyAll();
-                }
-            }
-        }, 1);
     }
 
-    private LinkedBlockingDeque<IntegerPair> loadQueue = new LinkedBlockingDeque<>();
+    public Object getCachedChunk(int cx, int cz) {
+        return methodGetType.of(methodGetHandleChunk.of(bukkitWorld.getChunkAt(cx, cz)).call());
+    }
 
-    @Override
+    public Object getCachedSection(Object chunk, int cy) {
-    public int getCombinedId4Data(int x, int y, int z)  throws FaweException.FaweChunkLoadException {
+        return chunk;
-        if (y < 0 || y > 255) {
-            return 0;
     }
-        int cx = x >> 4;
+
-        int cz = z >> 4;
+    public int getCombinedId4Data(Object section, int x, int y, int z) {
-        int cy = y >> 4;
+        int combined = (int) methodGetCombinedId.call(((RefExecutor) section).call(x & 15, y, z & 15));
-        if (cx != lcx || cz != lcz) {
-            if (bukkitWorld == null) {
-                bukkitWorld = Bukkit.getServer().getWorld(world);
-            }
-            lcx = cx;
-            lcz = cz;
-            if (!bukkitWorld.isChunkLoaded(cx, cz)) {
-                boolean sync = Thread.currentThread() == Fawe.get().getMainThread();
-                if (sync) {
-                    bukkitWorld.loadChunk(cx, cz, true);
-                } else if (Settings.CHUNK_WAIT > 0) {
-                    synchronized (loadQueue) {
-                        loadQueue.add(new IntegerPair(cx, cz));
-                        try {
-                            loadQueue.wait(Settings.CHUNK_WAIT);
-                        } catch (InterruptedException e) {
-                            e.printStackTrace();
-                        }
-                    }
-                    if (!bukkitWorld.isChunkLoaded(cx, cz)) {
-                        throw new FaweException.FaweChunkLoadException();
-                    }
-                } else {
-                    return 0;
-                }
-            }
-            lc = methodGetType.of(methodGetHandleChunk.of(bukkitWorld.getChunkAt(cx, cz)).call());
-        }
-        if (lc == null) {
-            return 0;
-        }
-        int combined = (int) methodGetCombinedId.call(lc.call(x & 15, y, z & 15));
         return ((combined & 4095) << 4) + (combined >> 12);
     }
 
@@ -304,12 +253,6 @@ public class BukkitQueue_1_9 extends BukkitQueue_0 {
         return this.methodGetBlocks.of(obj).call();
     }
 
-    private int lcx = Integer.MIN_VALUE;
-    private int lcz = Integer.MIN_VALUE;
-    private int lcy = Integer.MIN_VALUE;
-    private RefExecutor lc;
-    private World bukkitWorld;
-
     @Override
     public boolean setComponents(final FaweChunk<Chunk> pc) {
         final BukkitChunk_1_9 fs = (BukkitChunk_1_9) pc;

bukkit/src/main/java/com/boydti/fawe/bukkit/v1_9/BukkitQueue_1_9_R1.java

@@ -2,14 +2,13 @@ package com.boydti.fawe.bukkit.v1_9;
 
 import com.boydti.fawe.Fawe;
 import com.boydti.fawe.FaweCache;
-import com.boydti.fawe.bukkit.v0.BukkitQueue_0;
+import com.boydti.fawe.bukkit.v0.BukkitQueue_All;
 import com.boydti.fawe.bukkit.v1_8.BukkitChunk_1_8;
 import com.boydti.fawe.config.Settings;
 import com.boydti.fawe.object.FaweChunk;
 import com.boydti.fawe.object.FawePlayer;
 import com.boydti.fawe.object.IntegerPair;
 import com.boydti.fawe.object.PseudoRandom;
-import com.boydti.fawe.object.exception.FaweException;
 import com.boydti.fawe.util.MemUtil;
 import com.boydti.fawe.util.TaskManager;
 import com.sk89q.worldedit.LocalSession;
@@ -23,7 +22,6 @@ import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
-import java.util.concurrent.LinkedBlockingDeque;
 import net.minecraft.server.v1_9_R1.Block;
 import net.minecraft.server.v1_9_R1.BlockPosition;
 import net.minecraft.server.v1_9_R1.ChunkSection;
@@ -45,87 +43,27 @@ import org.bukkit.entity.Player;
 import org.bukkit.generator.BlockPopulator;
 import org.bukkit.generator.ChunkGenerator;
 
-public class BukkitQueue_1_9_R1 extends BukkitQueue_0 {
+public class BukkitQueue_1_9_R1 extends BukkitQueue_All {
 
     private IBlockData air = Block.getByCombinedId(0);
 
     public BukkitQueue_1_9_R1(final String world) throws NoSuchMethodException, RuntimeException {
         super(world);
-        TaskManager.IMP.repeat(new Runnable() {
-            @Override
-            public void run() {
-                synchronized (loadQueue) {
-                    while (loadQueue.size() > 0) {
-                        IntegerPair loc = loadQueue.poll();
-                        if (bukkitWorld == null) {
-                            bukkitWorld = Bukkit.getServer().getWorld(world);
-                        }
-                        if (!bukkitWorld.isChunkLoaded(loc.x, loc.z)) {
-                            bukkitWorld.loadChunk(loc.x, loc.z, true);
-                        }
-                    }
-                    loadQueue.notifyAll();
-                }
-            }
-        }, 1);
     }
 
-    private LinkedBlockingDeque<IntegerPair> loadQueue = new LinkedBlockingDeque<>();
+    public Object getCachedChunk(int cx, int cz) {
-
-    private int lcx = Integer.MIN_VALUE;
-    private int lcz = Integer.MIN_VALUE;
-    private int lcy = Integer.MIN_VALUE;
-    private ChunkSection[] chunkSections;
-    private DataPaletteBlock lastSection;
-
-    @Override
-    public int getCombinedId4Data(int x, int y, int z) throws FaweException.FaweChunkLoadException {
-        if (y < 0 || y > 255) {
-            return 0;
-        }
-        int cx = x >> 4;
-        int cz = z >> 4;
-        int cy = y >> 4;
-        if (cx != lcx || cz != lcz) {
-            if (bukkitWorld == null) {
-                bukkitWorld = Bukkit.getServer().getWorld(world);
-            }
-            lcx = cx;
-            lcz = cz;
-            if (!bukkitWorld.isChunkLoaded(cx, cz)) {
-                boolean sync = Thread.currentThread() == Fawe.get().getMainThread();
-                if (sync) {
-                    bukkitWorld.loadChunk(cx, cz, true);
-                } else if (Settings.CHUNK_WAIT > 0) {
-                    synchronized (loadQueue) {
-                        loadQueue.add(new IntegerPair(cx, cz));
-                        try {
-                            loadQueue.wait(Settings.CHUNK_WAIT);
-                        } catch (InterruptedException e) {
-                            e.printStackTrace();
-                        }
-                    }
-                    if (!bukkitWorld.isChunkLoaded(cx, cz)) {
-                        throw new FaweException.FaweChunkLoadException();
-                    }
-                } else {
-                    return 0;
-                }
-            }
         CraftChunk chunk = (CraftChunk) bukkitWorld.getChunkAt(cx, cz);
-            chunkSections = chunk.getHandle().getSections();
+        return chunk.getHandle().getSections();
+    }
+
+    public Object getCachedSection(Object chunk, int cy) {
+        ChunkSection[] chunkSections = (ChunkSection[]) chunk;
         ChunkSection nibble = chunkSections[cy];
-            lastSection = nibble != null ? nibble.getBlocks() : null;
+        return nibble != null ? nibble.getBlocks() : null;
-        } else if (cy != lcy) {
-            if (chunkSections == null) {
-                return 0;
-            }
-            ChunkSection nibble = chunkSections[cy];
-            lastSection = nibble != null ? nibble.getBlocks() : null;
-        }
-        if (lastSection == null) {
-            return 0;
     }
+
+    public int getCombinedId4Data(Object section, int x, int y, int z) {
+        DataPaletteBlock lastSection = (DataPaletteBlock) section;
         IBlockData ibd = lastSection.a(x & 15, y & 15, z & 15);
         Block block = ibd.getBlock();
         int id = Block.getId(block);
@@ -284,8 +222,6 @@ public class BukkitQueue_1_9_R1 extends BukkitQueue_0 {
         return section[j] >> 4;
     }
 
-    private World bukkitWorld;
-
     public void setCount(int tickingBlockCount, int nonEmptyBlockCount, ChunkSection section) throws NoSuchFieldException, IllegalAccessException {
         Class<? extends ChunkSection> clazz = section.getClass();
         Field fieldTickingBlockCount = clazz.getDeclaredField("tickingBlockCount");

core/src/main/java/com/boydti/fawe/object/FaweChunk.java

@@ -48,7 +48,7 @@ public abstract class FaweChunk<T> {
         return x << 16 | z & 0xFFFF;
     }
 
-    public void addToQueue(String world) {
+    public void addToQueue() {
         parent.setChunk(this);
     }
 

forge/src/main/java/com/boydti/fawe/forge/FaweSponge.java

@@ -19,8 +19,11 @@ import java.util.ArrayList;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
+import java.util.UUID;
 import org.spongepowered.api.Sponge;
 import org.spongepowered.api.entity.living.player.Player;
+import org.spongepowered.api.profile.GameProfile;
+import org.spongepowered.api.profile.GameProfileManager;
 import org.spongepowered.api.text.serializer.TextSerializers;
 
 
@@ -149,4 +152,26 @@ public class FaweSponge implements IFawe {
     public String getPlatform() {
         return "sponge";
     }
+
+    @Override
+    public UUID getUUID(String name) {
+        try {
+            GameProfileManager pm = Sponge.getServer().getGameProfileManager();
+            GameProfile profile = pm.get(name).get();
+            return profile != null ? profile.getUniqueId() : null;
+        } catch (Exception e) {
+            return null;
+        }
+    }
+
+    @Override
+    public String getName(UUID uuid) {
+        try {
+            GameProfileManager pm = Sponge.getServer().getGameProfileManager();
+            GameProfile profile = pm.get(uuid).get();
+            return profile != null ? profile.getName().orElse(null) : null;
+        } catch (Exception e) {
+            return null;
+        }
+    }
 }