[Bleeding] Added support for all TreeType entries to CraftWorld.generateTree(). Addresses BUKKIT-1161

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

@@ -3,6 +3,7 @@ package net.minecraft.server;
 import java.util.ArrayList;
 import java.util.Random;
 // CraftBukkit start
+import org.bukkit.BlockChangeDelegate;
 import org.bukkit.Location;
 import org.bukkit.TreeType;
 import org.bukkit.block.BlockState;
@@ -109,7 +110,7 @@ public class BlockMushroom extends BlockFlower {
             worldgenhugemushroom = new WorldGenHugeMushroom(1);
         }
         if (worldgenhugemushroom != null && event != null) {
-            grown = worldgenhugemushroom.grow(world, random, i, j, k, event, itemstack, world.getWorld());
+            grown = worldgenhugemushroom.grow((BlockChangeDelegate)world, random, i, j, k, event, itemstack, world.getWorld());
             if (event.isFromBonemeal() && itemstack != null) {
                 --itemstack.count;
             }

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

@@ -78,7 +78,7 @@ public class BlockSapling extends BlockFlower {
             if (gen == null) {
                 j1 = 0;
                 i1 = 0;
-                treeType = TreeType.TREE;
+                treeType = TreeType.SMALL_JUNGLE;
                 gen = new WorldGenTrees(false, 4 + random.nextInt(7), 3, 3, false);
             }
         } else {
@@ -132,7 +132,7 @@ public class BlockSapling extends BlockFlower {
     }
 
     // CraftBukkit start
-    interface TreeGenerator {
+    public interface TreeGenerator {
 
         public boolean a(World world, Random random, int i, int j, int k);
 

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

@@ -4,7 +4,7 @@ import java.util.Random;
 
 import org.bukkit.BlockChangeDelegate; // CraftBukkit
 
-public class WorldGenGroundBush extends WorldGenerator {
+public class WorldGenGroundBush extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit - add interface
 
     private int a;
     private int b;
@@ -49,8 +49,11 @@ public class WorldGenGroundBush extends WorldGenerator {
                     }
                 }
             }
+        // CraftBukkit start - return false if gen was unsuccessful
+        } else {
+            return false;
         }
-
+        // CraftBukkit end
         return true;
     }
 }

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

@@ -2,6 +2,7 @@ package net.minecraft.server;
 
 import java.util.Random;
 // CraftBukkit start
+import org.bukkit.BlockChangeDelegate;
 import org.bukkit.Bukkit;
 import org.bukkit.block.BlockState;
 import org.bukkit.craftbukkit.CraftWorld;
@@ -9,7 +10,7 @@ import org.bukkit.event.world.StructureGrowEvent;
 import org.bukkit.material.MaterialData;
 // CraftBukkit end
 
-public class WorldGenHugeMushroom extends WorldGenerator {
+public class WorldGenHugeMushroom extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit - add interface
 
     private int a = -1;
 
@@ -22,12 +23,16 @@ public class WorldGenHugeMushroom extends WorldGenerator {
         super(false);
     }
 
-    // CraftBukkit start - delegate to grow()
+    // CraftBukkit start - delegate to generate() and use BlockChangeDelegate
     public boolean a(World world, Random random, int i, int j, int k) {
+        return grow((BlockChangeDelegate) world, random, i, j, k, null, null, null);
+    }
+
+    public boolean generate(BlockChangeDelegate world, Random random, int i, int j, int k) {
         return grow(world, random, i, j, k, null, null, null);
     }
 
-    public boolean grow(World world, Random random, int i, int j, int k, StructureGrowEvent event, ItemStack itemstack, CraftWorld bukkitWorld) {
+    public boolean grow(BlockChangeDelegate world, Random random, int i, int j, int k, StructureGrowEvent event, ItemStack itemstack, CraftWorld bukkitWorld) {
         // CraftBukkit end
         int l = random.nextInt(2);
 
@@ -71,12 +76,13 @@ public class WorldGenHugeMushroom extends WorldGenerator {
                 j1 = world.getTypeId(i, j - 1, k);
                 if (j1 != Block.DIRT.id && j1 != Block.GRASS.id && j1 != Block.MYCEL.id) {
                     return false;
-                } else if (!Block.BROWN_MUSHROOM.canPlace(world, i, j, k)) {
+                // CraftBukkit - Adjust canPlace check to handle non-World BlockChangeDelegates (orig check was: !Block.BROWN_MUSHROOM.canPlace(world, i, j, k))
+                } else if ((world.getTypeId(i, j, k) != 0 && !Block.byId[world.getTypeId(i, j, k)].material.isReplacable()) || (world instanceof World && !Block.BROWN_MUSHROOM.canPlace((World) world, i, j, k))) {
                     return false;
                 } else {
                     // CraftBukkit start
                     if (event == null) {
-                        world.setRawTypeIdAndData(i, j - 1, k, Block.DIRT.id, 0);
+                        this.setTypeAndData(world, i, j - 1, k, Block.DIRT.id, 0);
                     } else {
                         BlockState dirtState = bukkitWorld.getBlockAt(i, j - 1, k).getState();
                         dirtState.setTypeId(Block.DIRT.id);
@@ -164,7 +170,7 @@ public class WorldGenHugeMushroom extends WorldGenerator {
                                 if ((l2 != 0 || j >= j + i1 - 1) && !Block.n[world.getTypeId(i2, k1, k2)]) {
                                     // CraftBukkit start
                                     if (event == null) {
-                                        world.setRawTypeIdAndData(i2, k1, k2, Block.BIG_MUSHROOM_1.id + l, l2);
+                                       this.setTypeAndData(world, i2, k1, k2, Block.BIG_MUSHROOM_1.id + l, l2);
                                     } else {
                                         BlockState state = bukkitWorld.getBlockAt(i2, k1, k2).getState();
                                         state.setTypeId(Block.BIG_MUSHROOM_1.id + l);
@@ -182,7 +188,7 @@ public class WorldGenHugeMushroom extends WorldGenerator {
                         if (!Block.n[l1]) {
                             // CraftBukkit start
                             if (event == null) {
-                                world.setRawTypeIdAndData(i, j + k1, k, Block.BIG_MUSHROOM_1.id + l, 10);
+                                this.setTypeAndData(world, i, j + k1, k, Block.BIG_MUSHROOM_1.id + l, 10);
                             } else {
                                 BlockState state = bukkitWorld.getBlockAt(i, j + k1, k).getState();
                                 state.setTypeId(Block.BIG_MUSHROOM_1.id + l);

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

@@ -2,14 +2,18 @@ package net.minecraft.server;
 
 import java.util.Random;
 
-public class WorldGenSwampTree extends WorldGenerator {
+public class WorldGenSwampTree extends WorldGenerator  implements BlockSapling.TreeGenerator { // CraftBukkit - add interface
 
     public WorldGenSwampTree() {}
 
     public boolean a(World world, Random random, int i, int j, int k) {
+        return generate((org.bukkit.BlockChangeDelegate) world, random, i, j, k);
+    }
+
+    public boolean generate(org.bukkit.BlockChangeDelegate world, Random random, int i, int j, int k) {
         int l;
 
-        for (l = random.nextInt(4) + 5; world.getMaterial(i, j - 1, k) == Material.WATER; --j) {
+        for (l = random.nextInt(4) + 5; world.getTypeId(i, j - 1, k) != 0 && Block.byId[world.getTypeId(i, j - 1, k)].material == Material.WATER; --j) { // CraftBukkit - bypass World.getMaterial
             ;
         }
 
@@ -121,7 +125,7 @@ public class WorldGenSwampTree extends WorldGenerator {
         }
     }
 
-    private void a(World world, int i, int j, int k, int l) {
+    private void a(org.bukkit.BlockChangeDelegate world, int i, int j, int k, int l) { // CraftBukkit - change signature
         world.setTypeIdAndData(i, j, k, Block.VINE.id, l);
         int i1 = 4;
 

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

@@ -162,7 +162,7 @@ public class WorldGenTrees extends WorldGenerator implements BlockSapling.TreeGe
 
     // CraftBukkit - Changed world to BlockChangeDelegate
     private void a(BlockChangeDelegate world, int i, int j, int k, int l) {
-        ((World)world).setTypeIdAndData(i, j, k, Block.VINE.id, l); // CraftBukkit - Cast
+        world.setTypeIdAndData(i, j, k, Block.VINE.id, l);
         int i1 = 4;
 
         while (true) {
@@ -171,7 +171,7 @@ public class WorldGenTrees extends WorldGenerator implements BlockSapling.TreeGe
                 return;
             }
 
-            ((World)world).setRawTypeIdAndData(i, j, k, Block.VINE.id, l); // CraftBukkit - Cast
+            world.setTypeIdAndData(i, j, k, Block.VINE.id, l);
             --i1;
         }
     }

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

@@ -23,7 +23,7 @@ public abstract class WorldGenerator {
     // CraftBukkit - change signature
     protected void setTypeAndData(BlockChangeDelegate world, int i, int j, int k, int l, int i1) {
         if (this.a) {
-            ((World) world).setTypeIdAndData(i, j, k, l, i1); // CraftBukkit - force-cast to world to get it working
+            world.setTypeIdAndData(i, j, k, l, i1);
         } else {
             world.setRawTypeIdAndData(i, j, k, l, i1);
         }

src/main/java/org/bukkit/craftbukkit/CraftWorld.java

@@ -369,19 +369,45 @@ public class CraftWorld implements World {
     }
 
     public boolean generateTree(Location loc, TreeType type, BlockChangeDelegate delegate) {
+        BlockSapling.TreeGenerator gen;
         switch (type) {
         case BIG_TREE:
-            return new WorldGenBigTree(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
+            gen = new WorldGenBigTree(true);
+            break;
         case BIRCH:
-            return new WorldGenForest(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
+            gen = new WorldGenForest(true);
+            break;
         case REDWOOD:
-            return new WorldGenTaiga2(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
+            gen = new WorldGenTaiga2(true);
+            break;
         case TALL_REDWOOD:
-            return new WorldGenTaiga1().generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
+            gen = new WorldGenTaiga1();
+            break;
+        case JUNGLE:
+            gen = new WorldGenMegaTree(true, 10 + rand.nextInt(20), 3, 3);
+            break;
+        case SMALL_JUNGLE:
+            gen = new WorldGenTrees(true, 4 + rand.nextInt(7), 3, 3, false);
+            break;
+        case JUNGLE_BUSH:
+            gen = new WorldGenGroundBush(3, 0);
+            break;
+        case RED_MUSHROOM:
+            gen = new WorldGenHugeMushroom(1);
+            break;
+        case BROWN_MUSHROOM:
+            gen = new WorldGenHugeMushroom(0);
+            break;
+        case SWAMP:
+            gen = new WorldGenSwampTree();
+            break;
         case TREE:
         default:
-            return new WorldGenTrees(false).generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
+            gen = new WorldGenTrees(true);
+            break;
         }
+
+        return gen.generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
     }
 
     public TileEntity getTileEntityAt(final int x, final int y, final int z) {

src/main/java/org/bukkit/craftbukkit/util/StructureGrowDelegate.java

@@ -30,6 +30,14 @@ public class StructureGrowDelegate implements BlockChangeDelegate {
         return true;
     }
 
+    public boolean setTypeId(int x, int y, int z, int typeId) {
+        return setRawTypeId(x, y, z, typeId);
+    }
+
+    public boolean setTypeIdAndData(int x, int y, int z, int typeId, int data) {
+        return setRawTypeIdAndData(x, y, z, typeId, data);
+    }
+
     public int getTypeId(int x, int y, int z) {
         return world.getBlockTypeIdAt(x, y, z);
     }