data improvements

10 files changed, 388 insertions, 11 deletions

diff --git a/src/main/java/net/minecraft/server/Block.java b/src/main/java/net/minecraft/server/Block.java
index 517686d0..4eee4f7d 100644
--- a/src/main/java/net/minecraft/server/Block.java
+++ b/src/main/java/net/minecraft/server/Block.java
@@ -538,6 +538,9 @@ public class Block {
         Item.byId[LONG_GRASS.id] = new ItemColoredBlock(LONG_GRASS.id - 256, true);
         Item.byId[PISTON.id] = new ItemPiston(PISTON.id - 256);
         Item.byId[PISTON_STICKY.id] = new ItemPiston(PISTON_STICKY.id - 256);
+        Item.byId[BIG_MUSHROOM_1.id] = new ItemLog(BIG_MUSHROOM_1.id - 256, BIG_MUSHROOM_1); // CraftBukkit
+        Item.byId[BIG_MUSHROOM_2.id] = new ItemLog(BIG_MUSHROOM_2.id - 256, BIG_MUSHROOM_2); // CraftBukkit
+        Item.byId[MOB_SPAWNER.id] = new ItemMobSpawner(MOB_SPAWNER.id - 256); // CraftBukkit
 
         for (int i = 0; i < 256; ++i) {
             if (byId[i] != null && Item.byId[i] == null) {
diff --git a/src/main/java/net/minecraft/server/BlockMobSpawner.java b/src/main/java/net/minecraft/server/BlockMobSpawner.java
new file mode 100644
index 00000000..752fd228
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockMobSpawner.java
@@ -0,0 +1,44 @@
+package net.minecraft.server;
+
+import java.util.Random;
+
+public class BlockMobSpawner extends BlockContainer {
+
+    protected BlockMobSpawner(int i, int j) {
+        super(i, j, Material.STONE);
+    }
+
+    public TileEntity a_() {
+        return new TileEntityMobSpawner();
+    }
+
+    public int a(int i, Random random) {
+        return Block.MOB_SPAWNER.id; // CraftBukkit
+    }
+
+    public int a(Random random) {
+        return 1; // CraftBukkit
+    }
+
+    // CraftBukkit start
+    public void dropNaturally(World world, int i, int j, int k, int l, float f) {
+        TileEntity entity = world.getTileEntity(i, j, k);
+        if (entity instanceof TileEntityMobSpawner) {
+            super.dropNaturally(world, i, j, k, ((TileEntityMobSpawner) entity).getId(), f);
+        }
+    }
+
+    public void remove(World world, int i, int j, int k) {
+        dropNaturally(world, i, j, k, 0, 1.0f);
+        super.remove(world, i, j, k);
+    }
+
+    protected int a_(int i) {
+        return i;
+    }
+    // CraftBukkit end
+
+    public boolean a() {
+        return false;
+    }
+}
diff --git a/src/main/java/net/minecraft/server/BlockSand.java b/src/main/java/net/minecraft/server/BlockSand.java
new file mode 100644
index 00000000..abee35b0
--- /dev/null
+++ b/src/main/java/net/minecraft/server/BlockSand.java
@@ -0,0 +1,64 @@
+package net.minecraft.server;
+
+import java.util.Random;
+
+public class BlockSand extends Block {
+
+    public static boolean instaFall = false;
+
+    public BlockSand(int i, int j) {
+        super(i, j, Material.SAND);
+    }
+
+    public void a(World world, int i, int j, int k) {
+        world.c(i, j, k, this.id, this.c());
+    }
+
+    public void doPhysics(World world, int i, int j, int k, int l) {
+        world.c(i, j, k, this.id, this.c());
+    }
+
+    public void a(World world, int i, int j, int k, Random random) {
+        this.g(world, i, j, k);
+    }
+
+    private void g(World world, int i, int j, int k) {
+        if (d_(world, i, j - 1, k) && j >= 0) {
+            byte b0 = 32;
+
+            if (!instaFall && world.a(i - b0, j - b0, k - b0, i + b0, j + b0, k + b0)) {
+                EntityFallingSand entityfallingsand = new EntityFallingSand(world, (double) ((float) i + 0.5F), (double) ((float) j + 0.5F), (double) ((float) k + 0.5F), this.id, world.getData(i, j, k));
+
+                world.addEntity(entityfallingsand);
+            } else {
+                world.setTypeId(i, j, k, 0);
+
+                while (d_(world, i, j - 1, k) && j > 0) {
+                    --j;
+                }
+
+                if (j > 0) {
+                    world.setTypeId(i, j, k, this.id);
+                }
+            }
+        }
+    }
+
+    public int c() {
+        return 3;
+    }
+
+    public static boolean d_(World world, int i, int j, int k) {
+        int l = world.getTypeId(i, j, k);
+
+        if (l == 0) {
+            return true;
+        } else if (l == Block.FIRE.id) {
+            return true;
+        } else {
+            Material material = Block.byId[l].material;
+
+            return material == Material.WATER ? true : material == Material.LAVA;
+        }
+    }
+}
diff --git a/src/main/java/net/minecraft/server/EntityFallingSand.java b/src/main/java/net/minecraft/server/EntityFallingSand.java
new file mode 100644
index 00000000..0853c895
--- /dev/null
+++ b/src/main/java/net/minecraft/server/EntityFallingSand.java
@@ -0,0 +1,86 @@
+package net.minecraft.server;
+
+public class EntityFallingSand extends Entity {
+
+    public int a;
+    public int data; // CraftBukkit
+    public int b = 0;
+
+    public EntityFallingSand(World world) {
+        super(world);
+    }
+
+    // CraftBukkit -- changed method signature
+    public EntityFallingSand(World world, double d0, double d1, double d2, int i, int data) {
+        super(world);
+        this.a = i;
+        this.data = data;
+        this.aY = true;
+        this.b(0.98F, 0.98F);
+        this.height = this.width / 2.0F;
+        this.setPosition(d0, d1, d2);
+        this.motX = 0.0D;
+        this.motY = 0.0D;
+        this.motZ = 0.0D;
+        this.lastX = d0;
+        this.lastY = d1;
+        this.lastZ = d2;
+    }
+
+    protected boolean e_() {
+        return false;
+    }
+
+    protected void b() {}
+
+    public boolean r_() {
+        return !this.dead;
+    }
+
+    public void s_() {
+        if (this.a == 0) {
+            this.die();
+        } else {
+            this.lastX = this.locX;
+            this.lastY = this.locY;
+            this.lastZ = this.locZ;
+            ++this.b;
+            this.motY -= 0.03999999910593033D;
+            this.move(this.motX, this.motY, this.motZ);
+            this.motX *= 0.9800000190734863D;
+            this.motY *= 0.9800000190734863D;
+            this.motZ *= 0.9800000190734863D;
+            int i = MathHelper.floor(this.locX);
+            int j = MathHelper.floor(this.locY);
+            int k = MathHelper.floor(this.locZ);
+
+            if (this.world.getTypeId(i, j, k) == this.a) {
+                this.world.setTypeId(i, j, k, 0);
+            }
+
+            if (this.onGround) {
+                this.motX *= 0.699999988079071D;
+                this.motZ *= 0.699999988079071D;
+                this.motY *= -0.5D;
+                this.die();
+                // CraftBukkit -- setTypeId => setTypeIdAndData
+                if ((!this.world.a(this.a, i, j, k, true, 1) || BlockSand.d_(this.world, i, j - 1, k) || !this.world.setTypeIdAndData(i, j, k, this.a, this.data)) && !this.world.isStatic) {
+                    this.b(this.a, 1);
+                }
+            } else if (this.b > 100 && !this.world.isStatic) {
+                this.b(this.a, 1);
+                this.die();
+            }
+        }
+    }
+
+    protected void b(NBTTagCompound nbttagcompound) {
+        nbttagcompound.a("Tile", (byte) this.a);
+        nbttagcompound.a("Data", (byte) this.data); // CraftBukkit
+    }
+
+    protected void a(NBTTagCompound nbttagcompound) {
+        this.a = nbttagcompound.c("Tile") & 255;
+        this.data = nbttagcompound.c("Data") & 15; // CraftBukkit
+    }
+}
diff --git a/src/main/java/net/minecraft/server/EntityPainting.java b/src/main/java/net/minecraft/server/EntityPainting.java
index a98c4d0b..d94fe56c 100644
--- a/src/main/java/net/minecraft/server/EntityPainting.java
+++ b/src/main/java/net/minecraft/server/EntityPainting.java
@@ -23,6 +23,7 @@ public class EntityPainting extends Entity {
         this.a = 0;
         this.height = 0.0F;
         this.b(0.5F, 0.5F);
+        this.e = EnumArt.values()[this.random.nextInt(EnumArt.values().length)]; // CraftBukkit - generate a non-null painting
     }
 
     public EntityPainting(World world, int i, int j, int k, int l) {
diff --git a/src/main/java/net/minecraft/server/EntityTypes.java b/src/main/java/net/minecraft/server/EntityTypes.java
new file mode 100644
index 00000000..057d30de
--- /dev/null
+++ b/src/main/java/net/minecraft/server/EntityTypes.java
@@ -0,0 +1,116 @@
+package net.minecraft.server;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class EntityTypes {
+
+    private static Map a = new HashMap();
+    private static Map b = new HashMap();
+    private static Map c = new HashMap();
+    private static Map d = new HashMap();
+
+    public EntityTypes() {}
+
+    private static void a(Class oclass, String s, int i) {
+        a.put(s, oclass);
+        b.put(oclass, s);
+        c.put(Integer.valueOf(i), oclass);
+        d.put(oclass, Integer.valueOf(i));
+    }
+
+    public static Entity a(String s, World world) {
+        Entity entity = null;
+
+        try {
+            Class oclass = (Class) a.get(s);
+
+            if (oclass != null) {
+                entity = (Entity) oclass.getConstructor(new Class[] { World.class}).newInstance(new Object[] { world});
+            }
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        }
+
+        return entity;
+    }
+
+    public static Entity a(NBTTagCompound nbttagcompound, World world) {
+        Entity entity = null;
+
+        try {
+            Class oclass = (Class) a.get(nbttagcompound.getString("id"));
+
+            if (oclass != null) {
+                entity = (Entity) oclass.getConstructor(new Class[] { World.class}).newInstance(new Object[] { world});
+            }
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        }
+
+        if (entity != null) {
+            entity.e(nbttagcompound);
+        } else {
+            System.out.println("Skipping Entity with id " + nbttagcompound.getString("id"));
+        }
+
+        return entity;
+    }
+
+    public static int a(Entity entity) {
+        return ((Integer) d.get(entity.getClass())).intValue();
+    }
+
+    public static String b(Entity entity) {
+        return (String) b.get(entity.getClass());
+    }
+
+    // CraftBukkit start
+    public static Class<? extends Entity> getClassFromId(int id) {
+        return (Class<? extends Entity>) c.get(id);
+    }
+
+    public static int getIdFromClass(Class<? extends Entity> oClass) {
+        return (Integer) d.get(oClass);
+    }
+
+    public static Class<? extends Entity> getClassFromName(String name) {
+        return (Class<? extends Entity>) a.get(name);
+    }
+
+    public static String getNameFromClass(Class<? extends Entity> oClass) {
+        return (String) b.get(oClass);
+    }
+    // CraftBukkit end
+
+    static {
+        a(EntityItem.class, "Item", 1);
+        a(EntityExperienceOrb.class, "XPOrb", 2);
+        a(EntityArrow.class, "Arrow", 10);
+        a(EntitySnowball.class, "Snowball", 11);
+        a(EntityPainting.class, "Painting", 9);
+        a(EntityLiving.class, "Mob", 48);
+        a(EntityMonster.class, "Monster", 49);
+        a(EntityCreeper.class, "Creeper", 50);
+        a(EntitySkeleton.class, "Skeleton", 51);
+        a(EntitySpider.class, "Spider", 52);
+        a(EntityGiantZombie.class, "Giant", 53);
+        a(EntityZombie.class, "Zombie", 54);
+        a(EntitySlime.class, "Slime", 55);
+        a(EntityGhast.class, "Ghast", 56);
+        a(EntityPigZombie.class, "PigZombie", 57);
+        a(EntityEnderman.class, "Enderman", 58);
+        a(EntityCaveSpider.class, "CaveSpider", 59);
+        a(EntitySilverfish.class, "Silverfish", 60);
+        a(EntityPig.class, "Pig", 90);
+        a(EntitySheep.class, "Sheep", 91);
+        a(EntityCow.class, "Cow", 92);
+        a(EntityChicken.class, "Chicken", 93);
+        a(EntitySquid.class, "Squid", 94);
+        a(EntityWolf.class, "Wolf", 95);
+        a(EntityTNTPrimed.class, "PrimedTnt", 20);
+        a(EntityFallingSand.class, "FallingSand", 21);
+        a(EntityMinecart.class, "Minecart", 40);
+        a(EntityBoat.class, "Boat", 41);
+    }
+}
diff --git a/src/main/java/net/minecraft/server/ItemInWorldManager.java b/src/main/java/net/minecraft/server/ItemInWorldManager.java
index 674f8ee9..e88f63c3 100644
--- a/src/main/java/net/minecraft/server/ItemInWorldManager.java
+++ b/src/main/java/net/minecraft/server/ItemInWorldManager.java
@@ -30,6 +30,12 @@ public class ItemInWorldManager {
         this.world = world;
     }
 
+    // CraftBukkit start - keep this for backwards compatibility
+    public ItemInWorldManager(WorldServer world) {
+        this.world = world;
+    }
+    // CraftBukkit end
+
     public void a(int i) {
         this.c = i;
         if (i == 0) {
diff --git a/src/main/java/net/minecraft/server/ItemMobSpawner.java b/src/main/java/net/minecraft/server/ItemMobSpawner.java
new file mode 100644
index 00000000..e0c0e805
--- /dev/null
+++ b/src/main/java/net/minecraft/server/ItemMobSpawner.java
@@ -0,0 +1,44 @@
+package net.minecraft.server;
+
+public class ItemMobSpawner extends ItemLog {
+
+    public  ItemMobSpawner(int i) {
+        super(i, Block.MOB_SPAWNER);
+    }
+    
+    public boolean a(ItemStack itemstack, EntityHuman entityhuman, World world, int i, int j, int k, int l) {
+        if(!super.a(itemstack, entityhuman, world, i, j, k, l)) return false;
+        System.out.println("Placed the spawner, checking it's entity");
+        if (l == 0) {
+            --j;
+        }
+
+        if (l == 1) {
+            ++j;
+        }
+
+        if (l == 2) {
+            --k;
+        }
+
+        if (l == 3) {
+            ++k;
+        }
+
+        if (l == 4) {
+            --i;
+        }
+
+        if (l == 5) {
+            ++i;
+        }
+        TileEntity entity = world.getTileEntity(i, j, k);
+        System.out.println(entity);
+        if (entity instanceof TileEntityMobSpawner) {
+            System.out.println("Got a valid spawner, attempt to set its type");
+            ((TileEntityMobSpawner)entity).setId(itemstack.getData());
+            return true;
+        }
+        else return false;
+    }
+}
diff --git a/src/main/java/net/minecraft/server/ItemStack.java b/src/main/java/net/minecraft/server/ItemStack.java
index eb4f2b30..65747732 100644
--- a/src/main/java/net/minecraft/server/ItemStack.java
+++ b/src/main/java/net/minecraft/server/ItemStack.java
@@ -5,7 +5,7 @@ public final class ItemStack {
     public int count;
     public int b;
     public int id;
-    public int damage; // CraftBukkit - private -> public
+    private int damage;
 
     public ItemStack(Block block) {
         this(block, 1);
@@ -35,7 +35,7 @@ public final class ItemStack {
         this.count = 0;
         this.id = i;
         this.count = j;
-        this.damage = k;
+        b(k); // CraftBukkit
     }
 
     public static ItemStack a(NBTTagCompound nbttagcompound) {
@@ -122,7 +122,7 @@ public final class ItemStack {
     }
 
     public void b(int i) {
-        this.damage = i;
+        this.damage = (id > 0) && (id < 256) ? Item.byId[id].filterData(i) : i; // CraftBukkit
     }
 
     public int i() {
diff --git a/src/main/java/net/minecraft/server/TileEntityMobSpawner.java b/src/main/java/net/minecraft/server/TileEntityMobSpawner.java
index c40e65bd..acb0b64d 100644
--- a/src/main/java/net/minecraft/server/TileEntityMobSpawner.java
+++ b/src/main/java/net/minecraft/server/TileEntityMobSpawner.java
@@ -21,6 +21,17 @@ public class TileEntityMobSpawner extends TileEntity {
         return this.world.a((double) this.x + 0.5D, (double) this.y + 0.5D, (double) this.z + 0.5D, 16.0D) != null;
     }
 
+    // CraftBukkit start
+    public int getId() {
+        return EntityTypes.getIdFromClass(EntityTypes.getClassFromName(mobName));
+    }
+
+    public void setId(int id) {
+        mobName = EntityTypes.getNameFromClass(EntityTypes.getClassFromId(id));
+        System.out.println("Setting mob type to: " + mobName);
+    }
+    // CraftBukkit end
+
     public void h_() {
         this.c = this.b;
         if (this.a()) {
@@ -48,28 +59,30 @@ public class TileEntityMobSpawner extends TileEntity {
                 byte b0 = 4;
 
                 for (int i = 0; i < b0; ++i) {
-                    EntityLiving entityliving = (EntityLiving) ((EntityLiving) EntityTypes.a(this.mobName, this.world));
+                    // CraftBukkit start
+                    Entity entity = EntityTypes.a(this.mobName, this.world);
 
-                    if (entityliving == null) {
+                    if (entity == null) {
                         return;
                     }
 
-                    int j = this.world.a(entityliving.getClass(), AxisAlignedBB.b((double) this.x, (double) this.y, (double) this.z, (double) (this.x + 1), (double) (this.y + 1), (double) (this.z + 1)).b(8.0D, 4.0D, 8.0D)).size();
+                    int j = this.world.a(entity.getClass(), AxisAlignedBB.b((double) this.x, (double) this.y, (double) this.z, (double) (this.x + 1), (double) (this.y + 1), (double) (this.z + 1)).b(8.0D, 4.0D, 8.0D)).size();
 
                     if (j >= 6) {
                         this.c();
                         return;
                     }
 
-                    if (entityliving != null) {
+                    if (entity != null) {
                         double d3 = (double) this.x + (this.world.random.nextDouble() - this.world.random.nextDouble()) * 4.0D;
                         double d4 = (double) (this.y + this.world.random.nextInt(3) - 1);
                         double d5 = (double) this.z + (this.world.random.nextDouble() - this.world.random.nextDouble()) * 4.0D;
 
-                        entityliving.setPositionRotation(d3, d4, d5, this.world.random.nextFloat() * 360.0F, 0.0F);
-                        if (entityliving.d()) {
+                        entity.setPositionRotation(d3, d4, d5, this.world.random.nextFloat() * 360.0F, 0.0F);
+                        if (entity.world.containsEntity(entity.boundingBox) && entity.world.getEntities(entity, entity.boundingBox).size() == 0 && !entity.world.c(entity.boundingBox)) {
+                            // CraftBukkit end
                             // CraftBukkit - added a reason for spawning this creature
-                            this.world.addEntity(entityliving, SpawnReason.SPAWNER);
+                            this.world.addEntity(entity, SpawnReason.SPAWNER);
 
                             for (int k = 0; k < 20; ++k) {
                                 d0 = (double) this.x + 0.5D + ((double) this.world.random.nextFloat() - 0.5D) * 2.0D;
@@ -79,7 +92,7 @@ public class TileEntityMobSpawner extends TileEntity {
                                 this.world.a("flame", d0, d1, d2, 0.0D, 0.0D, 0.0D);
                             }
 
-                            entityliving.ab();
+                            // entity.ab(); // CraftBukkit - client side code, and not available in entity
                             this.c();
                         }
                     }