Merge remote branch 'upstream/master'

8 files changed, 519 insertions, 19 deletions

diff --git a/src/main/java/net/minecraft/server/BlockLeaves.java b/src/main/java/net/minecraft/server/BlockLeaves.java
new file mode 100644
index 00000000..24d64514
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockLeaves.java
@@ -0,0 +1,155 @@
+package net.minecraft.server;
+
+
+import java.util.Random;
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.event.Event.Type;
+import org.bukkit.event.block.LeavesDecayEvent;
+
+
+public class BlockLeaves extends BlockLeavesBase {
+
+    private int c;
+    int b[];
+
+    protected BlockLeaves(int i, int j) {
+        super(i, j, Material.h, false);
+        c = j;
+        a(true);
+    }
+
+    public void b(World world, int i, int j, int k) {
+        int l = 1;
+        int i1 = l + 1;
+
+        if (world.a(i - i1, j - i1, k - i1, i + i1, j + i1, k + i1)) {
+            for (int j1 = -l; j1 <= l; j1++) {
+                for (int k1 = -l; k1 <= l; k1++) {
+                    for (int l1 = -l; l1 <= l; l1++) {
+                        int i2 = world.a(i + j1, j + k1, k + l1);
+
+                        if (i2 == Block.K.bh) {
+                            world.c(i + j1, j + k1, k + l1, 7);
+                        }
+                    }
+
+                }
+
+            }
+
+        }
+    }
+
+    public void a(World world, int i, int j, int k, Random random) {
+        if (world.z) {
+            return;
+        }
+        if (world.b(i, j, k) == 7) {
+            byte byte0 = 4;
+            int l = byte0 + 1;
+            byte byte1 = 32;
+            int i1 = byte1 * byte1;
+            int j1 = byte1 / 2;
+
+            if (b == null) {
+                b = new int[byte1 * byte1 * byte1];
+            }
+            if (world.a(i - l, j - l, k - l, i + l, j + l, k + l)) {
+                for (int k1 = -byte0; k1 <= byte0; k1++) {
+                    for (int j2 = -byte0; j2 <= byte0; j2++) {
+                        for (int l2 = -byte0; l2 <= byte0; l2++) {
+                            int j3 = world.a(i + k1, j + j2, k + l2);
+
+                            if (j3 == Block.J.bh) {
+                                b[(k1 + j1) * i1 + (j2 + j1) * byte1 + (l2 + j1)] = 0;
+                                continue;
+                            }
+                            if (j3 == Block.K.bh) {
+                                b[(k1 + j1) * i1 + (j2 + j1) * byte1 + (l2 + j1)] = -2;
+                            } else {
+                                b[(k1 + j1) * i1 + (j2 + j1) * byte1 + (l2 + j1)] = -1;
+                            }
+                        }
+
+                    }
+
+                }
+
+                for (int l1 = 1; l1 <= 4; l1++) {
+                    for (int k2 = -byte0; k2 <= byte0; k2++) {
+                        for (int i3 = -byte0; i3 <= byte0; i3++) {
+                            for (int k3 = -byte0; k3 <= byte0; k3++) {
+                                if (b[(k2 + j1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] != l1 - 1) {
+                                    continue;
+                                }
+                                if (b[((k2 + j1) - 1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] == -2) {
+                                    b[((k2 + j1) - 1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] = l1;
+                                }
+                                if (b[(k2 + j1 + 1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] == -2) {
+                                    b[(k2 + j1 + 1) * i1 + (i3 + j1) * byte1 + (k3 + j1)] = l1;
+                                }
+                                if (b[(k2 + j1) * i1 + ((i3 + j1) - 1) * byte1 + (k3 + j1)] == -2) {
+                                    b[(k2 + j1) * i1 + ((i3 + j1) - 1) * byte1 + (k3 + j1)] = l1;
+                                }
+                                if (b[(k2 + j1) * i1 + (i3 + j1 + 1) * byte1 + (k3 + j1)] == -2) {
+                                    b[(k2 + j1) * i1 + (i3 + j1 + 1) * byte1 + (k3 + j1)] = l1;
+                                }
+                                if (b[(k2 + j1) * i1 + (i3 + j1) * byte1 + ((k3 + j1) - 1)] == -2) {
+                                    b[(k2 + j1) * i1 + (i3 + j1) * byte1 + ((k3 + j1) - 1)] = l1;
+                                }
+                                if (b[(k2 + j1) * i1 + (i3 + j1) * byte1 + (k3 + j1 + 1)] == -2) {
+                                    b[(k2 + j1) * i1 + (i3 + j1) * byte1 + (k3 + j1 + 1)] = l1;
+                                }
+                            }
+
+                        }
+
+                    }
+
+                }
+
+            }
+            int i2 = b[j1 * i1 + j1 * byte1 + j1];
+
+            if (i2 >= 0) {
+                world.b(i, j, k, 0);
+            } else {
+                g(world, i, j, k);
+            }
+        }
+    }
+
+    private void g(World world, int i, int j, int k) {
+        // Craftbukkit start
+        CraftServer server = ((WorldServer)world).getServer();
+        CraftWorld cworld = ((WorldServer)world).getWorld();
+        LeavesDecayEvent event = new LeavesDecayEvent(Type.LEAVES_DECAY, cworld.getBlockAt(i, j, k));
+        server.getPluginManager().callEvent(event);
+        
+        if (event.isCancelled()) {
+            return;
+        }
+        // Craftbukkit end
+
+        a_(world, i, j, k, world.b(i, j, k));
+        world.d(i, j, k, 0);
+    }
+
+    public int a(Random random) {
+        return random.nextInt(16) != 0 ? 0 : 1;
+    }
+
+    public int a(int i, Random random) {
+        return Block.y.bh;
+    }
+
+    public boolean a() {
+        return !a;
+    }
+
+    public void b(World world, int i, int j, int k, Entity entity) {
+        super.b(world, i, j, k, entity);
+    }
+}
+
diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
new file mode 100644
index 00000000..816ae774
--- /dev/null
+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
@@ -0,0 +1,226 @@
+package net.minecraft.server;
+
+
+import java.io.IOException;
+import java.util.*;
+import org.bukkit.craftbukkit.CraftChunk;
+import org.bukkit.craftbukkit.CraftServer;
+import org.bukkit.craftbukkit.CraftWorld;
+import org.bukkit.event.Event.Type;
+import org.bukkit.event.world.ChunkLoadedEvent;
+
+
+public class ChunkProviderServer
+        implements IChunkProvider {
+
+    private Set a;
+    private Chunk b;
+    private IChunkProvider c;
+    private IChunkLoader d;
+    private Map e;
+    private List f;
+    private WorldServer g;
+
+    public ChunkProviderServer(WorldServer worldserver, IChunkLoader ichunkloader, IChunkProvider ichunkprovider) {
+        a = new HashSet();
+        e = new HashMap();
+        f = new ArrayList();
+        b = new Chunk(worldserver, new byte[32768], 0, 0);
+        b.q = true;
+        b.p = true;
+        g = worldserver;
+        d = ichunkloader;
+        c = ichunkprovider;
+    }
+
+    public boolean a(int i, int j) {
+        ChunkCoordinates chunkcoordinates = new ChunkCoordinates(i, j);
+
+        return e.containsKey(chunkcoordinates);
+    }
+
+    public void c(int i, int j) {
+        int k = (i * 16 + 8) - g.m;
+        int l = (j * 16 + 8) - g.o;
+        char c1 = '\200';
+
+        if (k < -c1 || k > c1 || l < -c1 || l > c1) {
+            a.add(new ChunkCoordinates(i, j));
+        }
+    }
+
+    public Chunk d(int i, int j) {
+        ChunkCoordinates chunkcoordinates = new ChunkCoordinates(i, j);
+
+        a.remove(new ChunkCoordinates(i, j));
+        Chunk chunk = (Chunk) e.get(chunkcoordinates);
+
+        if (chunk == null) {
+            chunk = e(i, j);
+            if (chunk == null) {
+                if (c == null) {
+                    chunk = b;
+                } else {
+                    chunk = c.b(i, j);
+                }
+            }
+            e.put(chunkcoordinates, chunk);
+            f.add(chunk);
+            chunk.c();
+            if (chunk != null) {
+                chunk.d();
+            }
+
+            // Craftbukkit start
+            CraftServer server = g.getServer();
+            if (server != null) {
+                /*
+                 * If it's a new world, the first few chunks are generated inside
+                 * the World constructor. We can't reliably alter that, so we have
+                 * no way of creating a CraftWorld/CraftServer at that point.
+                 */
+                CraftWorld world = g.getWorld();
+                CraftChunk cchunk = world.updateChunk(i, j);
+                server.getPluginManager().callEvent(new ChunkLoadedEvent(Type.CHUNK_LOADED, cchunk));
+            }
+            // Craftbukkit end
+
+            if (!chunk.n && a(i + 1, j + 1) && a(i, j + 1) && a(i + 1, j)) {
+                a(this, i, j);
+            }
+            if (a(i - 1, j) && !b(i - 1, j).n && a(i - 1, j + 1) && a(i, j + 1) && a(i - 1, j)) {
+                a(this, i - 1, j);
+            }
+            if (a(i, j - 1) && !b(i, j - 1).n && a(i + 1, j - 1) && a(i, j - 1) && a(i + 1, j)) {
+                a(this, i, j - 1);
+            }
+            if (a(i - 1, j - 1) && !b(i - 1, j - 1).n && a(i - 1, j - 1) && a(i, j - 1) && a(i - 1, j)) {
+                a(this, i - 1, j - 1);
+            }
+        }
+        return chunk;
+    }
+
+    public Chunk b(int i, int j) {
+        ChunkCoordinates chunkcoordinates = new ChunkCoordinates(i, j);
+        Chunk chunk = (Chunk) e.get(chunkcoordinates);
+
+        if (chunk == null) {
+            if (g.x) {
+                return d(i, j);
+            } else {
+                return b;
+            }
+        } else {
+            return chunk;
+        }
+    }
+
+    private Chunk e(int i, int j) {
+        if (d == null) {
+            return null;
+        }
+        try {
+            Chunk chunk = d.a(g, i, j);
+
+            if (chunk != null) {
+                chunk.s = g.e;
+            }
+            return chunk;
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        }
+        return null;
+    }
+
+    private void a(Chunk chunk) {
+        if (d == null) {
+            return;
+        }
+        try {
+            d.b(g, chunk);
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        }
+    }
+
+    private void b(Chunk chunk) {
+        if (d == null) {
+            return;
+        }
+        try {
+            chunk.s = g.e;
+            d.a(g, chunk);
+        } catch (Throwable ioexception) { // Craftbukkit: Cast down to compile
+            ioexception.printStackTrace();
+        }
+    }
+
+    public void a(IChunkProvider ichunkprovider, int i, int j) {
+        Chunk chunk = b(i, j);
+
+        if (!chunk.n) {
+            chunk.n = true;
+            if (c != null) {
+                c.a(ichunkprovider, i, j);
+                chunk.f();
+            }
+        }
+    }
+
+    public boolean a(boolean flag, IProgressUpdate iprogressupdate) {
+        int i = 0;
+
+        for (int j = 0; j < f.size(); j++) {
+            Chunk chunk = (Chunk) f.get(j);
+
+            if (flag && !chunk.p) {
+                a(chunk);
+            }
+            if (!chunk.a(flag)) {
+                continue;
+            }
+            b(chunk);
+            chunk.o = false;
+            if (++i == 24 && !flag) {
+                return false;
+            }
+        }
+
+        if (flag) {
+            if (d == null) {
+                return true;
+            }
+            d.b();
+        }
+        return true;
+    }
+
+    public boolean a() {
+        if (!g.C) {
+            for (int i = 0; i < 100; i++) {
+                if (!a.isEmpty()) {
+                    ChunkCoordinates chunkcoordinates = (ChunkCoordinates) a.iterator().next();
+                    Chunk chunk = b(chunkcoordinates.a, chunkcoordinates.b);
+
+                    chunk.e();
+                    b(chunk);
+                    a(chunk);
+                    a.remove(chunkcoordinates);
+                    e.remove(chunkcoordinates);
+                    f.remove(chunk);
+                }
+            }
+
+            if (d != null) {
+                d.a();
+            }
+        }
+        return c.a();
+    }
+
+    public boolean b() {
+        return !g.C;
+    }
+}
+
diff --git a/src/main/java/net/minecraft/server/EntityMinecart.java b/src/main/java/net/minecraft/server/EntityMinecart.java
index b8a3ed1d..4e11ab71 100644
--- a/src/main/java/net/minecraft/server/EntityMinecart.java
+++ b/src/main/java/net/minecraft/server/EntityMinecart.java
@@ -113,6 +113,12 @@ public class EntityMinecart extends Entity
         // CraftBukkit end

     }

 

+    // CraftBukkit start

+    public ItemStack[] getContents() {

+        return this.ak;

+    }

+    // CraftBukkit end

+

     public AxisAlignedBB d(Entity entity) {

         return entity.z;

     }

diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
index 133fd28e..11d3561c 100644
--- a/src/main/java/net/minecraft/server/WorldServer.java
+++ b/src/main/java/net/minecraft/server/WorldServer.java
@@ -36,14 +36,14 @@ public class WorldServer extends World {
     @Override
     public boolean c(int i1, int j1, int k1, int l1) {
         boolean result = super.c(i1, j1, k1, l1);
-        world.updateBlock(i1, j1, k1);
+        if (world != null) world.updateBlock(i1, j1, k1);
         return result;
     }
 
     @Override
     public boolean d(int i1, int j1, int k1, int l1) {
         boolean result = super.d(i1, j1, k1, l1);
-        world.updateBlock(i1, j1, k1);
+        if (world != null) world.updateBlock(i1, j1, k1);
         return result;
     }
 
@@ -75,10 +75,12 @@ public class WorldServer extends World {
 
         if (block != null) {
             // CraftBukkit start
-            BlockPhysicsEvent event = new BlockPhysicsEvent(Event.Type.BLOCK_PHYSICS, world.getBlockAt(i1, j1, k1), l1);
-            server.getPluginManager().callEvent(event);
-            if (event.isCancelled()) {
-                return;
+            if (world != null) {
+                BlockPhysicsEvent event = new BlockPhysicsEvent(Event.Type.BLOCK_PHYSICS, world.getBlockAt(i1, j1, k1), l1);
+                server.getPluginManager().callEvent(event);
+                if (event.isCancelled()) {
+                    return;
+                }
             }
             // CraftBukkit stop
 
@@ -101,17 +103,13 @@ public class WorldServer extends World {
         if (axisalignedbb != null && !a(axisalignedbb)) {
             return false;
         }
-
-        // Craftbukkit - check this first as we dont want to allow the user to override this either
-        // Notch checks it after the check to see if block is water, lava, fire, portal
-        if (!(i1 > 0 && block == null)) return false;
         
         boolean defaultReturn;
         
         if (block == Block.A || block == Block.B || block == Block.C || block == Block.D || block == Block.ar || block == Block.aS) {
             defaultReturn = true;
         } else {
-            defaultReturn = block1.a(this, j1, k1, l1);
+            defaultReturn = (i1 > 0) && (block == null) && (block1.a(this, j1, k1, l1));
         }
         
         // Craftbukkit - If flag is true, it's natural, not user placement. Don't hook. 
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
index 003ee0f4..1d278fc9 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -2,17 +2,29 @@
 package org.bukkit.craftbukkit;
 
 import org.bukkit.Chunk;
+import org.bukkit.World;
 
 public class CraftChunk implements Chunk {
+    private final CraftWorld world;
     private final int x;
     private final int z;
 
-    protected CraftChunk(final int x, final int z) {
+    protected CraftChunk(final CraftWorld world, final int x, final int z) {
+        this.world = world;
         this.x = x;
         this.z = z;
     }
 
     /**
+     * Gets the world containing this chunk
+     *
+     * @return World
+     */
+    public World getWorld() {
+        return world;
+    }
+
+    /**
      * Gets the X-coordinate of this chunk
      *
      * @return X-coordinate
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/CraftItemStack.java
new file mode 100644
index 00000000..ed800910
--- /dev/null
+++ b/src/main/java/org/bukkit/craftbukkit/CraftItemStack.java
@@ -0,0 +1,61 @@
+package org.bukkit.craftbukkit;
+
+import org.bukkit.ItemStack;
+import org.bukkit.Material;
+
+public class CraftItemStack extends ItemStack {
+    protected net.minecraft.server.ItemStack item;
+
+    public CraftItemStack(net.minecraft.server.ItemStack item) {
+        super(item.c, item.a);
+        this.item = item;
+    }
+
+    /*
+     * Unsure if we have to syn before each of these calls the values in 'item'
+     * are all public.
+     */
+
+    @Override
+    public Material getType() {
+        super.setTypeID(item.c); // sync, needed?
+        return super.getType();
+    }
+
+    @Override
+    public int getTypeID() {
+        super.setTypeID(item.c); // sync, needed?
+        return item.c;
+    }
+
+    @Override
+    public void setTypeID(int type) {
+        super.setTypeID(item.c);
+        item.c = type;
+    }
+
+    @Override
+    public int getAmount() {
+        super.setAmount(item.a); // sync, needed?
+        return item.a;
+    }
+
+    @Override
+    public void setAmount(int amount) {
+        super.setAmount(amount);
+        item.a = amount;
+    }
+
+    @Override
+    public void setDamage(final byte damage) {
+        super.setDamage(damage);
+        item.d = damage;
+    }
+
+    @Override
+    public byte getDamage() {
+        super.setDamage((byte) item.d); // sync, needed?
+        return (byte) item.d;
+    }
+
+}
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftStorageMinecart.java b/src/main/java/org/bukkit/craftbukkit/CraftStorageMinecart.java
index 0adf0a18..7567529e 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftStorageMinecart.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftStorageMinecart.java
@@ -1,6 +1,11 @@
 package org.bukkit.craftbukkit;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import net.minecraft.server.EntityMinecart;
+
+import org.bukkit.ItemStack;
 import org.bukkit.StorageMinecart;
 
 /**
@@ -8,10 +13,33 @@ import org.bukkit.StorageMinecart;
  * 
  * @author sk89q
  */
-public class CraftStorageMinecart extends CraftMinecart
-        implements StorageMinecart {
+public class CraftStorageMinecart extends CraftMinecart implements StorageMinecart {
     public CraftStorageMinecart(CraftServer server, EntityMinecart entity) {
         super(server, entity);
     }
 
+    public int getSize() {
+        return minecart.c();
+    }
+
+    public String getName() {
+        return minecart.b();
+    }
+
+    public ItemStack getItem(int index) {
+        return new CraftItemStack(minecart.a(index));
+    }
+
+    public List<ItemStack> getContents() {
+        ArrayList<ItemStack> items = new ArrayList<ItemStack>();
+        for (net.minecraft.server.ItemStack item: minecart.getContents()) {
+            ItemStack i = null;
+            if (item != null) {
+                i = new CraftItemStack( item );
+            }
+            items.add(i);
+        }
+
+        return items;
+    }
 }
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
index 31b9d0f0..74c49a9e 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
@@ -21,8 +21,8 @@ import org.bukkit.Vector;
 import org.bukkit.World;
 
 public class CraftWorld implements World {
-    private final Map<ChunkCoordinate, Chunk> chunkCache = new HashMap<ChunkCoordinate, Chunk>();
-    private final Map<BlockCoordinate, Block> blockCache = new HashMap<BlockCoordinate, Block>();
+    private final Map<ChunkCoordinate, CraftChunk> chunkCache = new HashMap<ChunkCoordinate, CraftChunk>();
+    private final Map<BlockCoordinate, CraftBlock> blockCache = new HashMap<BlockCoordinate, CraftBlock>();
     private final WorldServer world;
     
     private static final Random rand = new Random();
@@ -33,7 +33,7 @@ public class CraftWorld implements World {
 
     public Block getBlockAt(int x, int y, int z) {
         BlockCoordinate loc = new BlockCoordinate(x, y, z);
-        Block block = blockCache.get(loc);
+        CraftBlock block = blockCache.get(loc);
 
         if (block == null) {
             block = new CraftBlock(this, x, y, z, world.a(x, y, z), (byte)world.b(x, y, z));
@@ -49,10 +49,10 @@ public class CraftWorld implements World {
 
     public Chunk getChunkAt(int x, int z) {
         ChunkCoordinate loc = new ChunkCoordinate(x, z);
-        Chunk chunk = chunkCache.get(loc);
+        CraftChunk chunk = chunkCache.get(loc);
 
         if (chunk == null) {
-            chunk = new CraftChunk(x, z);
+            chunk = new CraftChunk(this, x, z);
             chunkCache.put(loc, chunk);
         }
 
@@ -84,6 +84,20 @@ public class CraftWorld implements World {
         return block;
     }
 
+    public CraftChunk updateChunk(int x, int z) {
+        ChunkCoordinate loc = new ChunkCoordinate(x, z);
+        CraftChunk chunk = chunkCache.get(loc);
+
+        if (chunk == null) {
+            chunk = new CraftChunk(this, x, z);
+            chunkCache.put(loc, chunk);
+        } else {
+            // TODO: Chunk stuff
+        }
+
+        return chunk;
+    }
+
     public WorldServer getHandle() {
         return world;
     }