Added the tree generator for CraftBukkit. Build process is now a bit difficult.

build.xml

@@ -20,6 +20,8 @@
           <include name="truezip.jar" />
           <include name="Minecraft_Mod.jar" />
           <include name="minecraft_server.jar" />
+          <include name="minecraft_server_cb.jar" />
+          <include name="CraftBukkit.jar" />
           <include name="Bukkit.jar" />
         </fileset>
       </classpath>

src/HMWorld.java

@@ -17,7 +17,6 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-import java.util.Random;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import com.sk89q.worldedit.EditSession;
@@ -35,10 +34,6 @@ public class HMWorld extends LocalWorld {
      * Logger.
      */
     private final Logger logger = Logger.getLogger("Minecraft.WorldEdit");
-    /**
-     * Random generator.
-     */
-    private Random random = new Random();
     
     /**
      * Set block type.
@@ -304,21 +299,6 @@ public class HMWorld extends LocalWorld {
         }
     }
 
-    /**
-     * Drop an item.
-     *
-     * @param pt
-     * @param type
-     * @param count
-     * @param times
-     */
-    public void dropItem(Vector pt, int type, int count, int times) {
-        for (int i = 0; i < times; i++) {
-            etc.getServer().dropItem(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ(),
-                    type, count);
-        }
-    }
-
     /**
      * Drop an item.
      *
@@ -345,65 +325,6 @@ public class HMWorld extends LocalWorld {
                 type, 1);
     }
     
-    /**
-     * Simulate a block being mined.
-     * 
-     * @param pt
-     */
-    public void simulateBlockMine(Vector pt) {
-        int type = getBlockType(pt);
-        //setBlockType(pt, 0);
-
-        if (type == 1) { dropItem(pt, 4); } // Stone
-        else if (type == 2) { dropItem(pt, 3); } // Grass
-        else if (type == 7) { } // Bedrock
-        else if (type == 8) { } // Water
-        else if (type == 9) { } // Water
-        else if (type == 10) { } // Lava
-        else if (type == 11) { } // Lava
-        else if (type == 13) { // Gravel
-            dropItem(pt, type);
-
-            if (random.nextDouble() >= 0.9) {
-                dropItem(pt, 318);
-            }
-        }
-        else if (type == 16) { dropItem(pt, 263); } // Coal ore
-        else if (type == 18) { // Leaves
-            if (random.nextDouble() > 0.95) {
-                dropItem(pt, 6);
-            }
-        }
-        else if (type == 20) { } // Glass
-        else if (type == 43) { dropItem(pt, 44); } // Double step
-        else if (type == 47) { } // Bookshelves
-        else if (type == 51) { } // Fire
-        else if (type == 52) { } // Mob spawner
-        else if (type == 53) { dropItem(pt, 5); } // Wooden stairs
-        else if (type == 55) { dropItem(pt, 331); } // Redstone wire
-        else if (type == 56) { dropItem(pt, 264); } // Diamond ore
-        else if (type == 59) { dropItem(pt, 295); } // Crops
-        else if (type == 60) { dropItem(pt, 3); } // Soil
-        else if (type == 62) { dropItem(pt, 61); } // Furnace
-        else if (type == 63) { dropItem(pt, 323); } // Sign post
-        else if (type == 64) { dropItem(pt, 324); } // Wood door
-        else if (type == 67) { dropItem(pt, 4); } // Cobblestone stairs
-        else if (type == 68) { dropItem(pt, 323); } // Wall sign
-        else if (type == 71) { dropItem(pt, 330); } // Iron door
-        else if (type == 73) { dropItem(pt, 331, 1, 4); } // Redstone ore
-        else if (type == 74) { dropItem(pt, 331, 1, 4); } // Glowing redstone ore
-        else if (type == 75) { dropItem(pt, 76); } // Redstone torch
-        else if (type == 78) { } // Snow
-        else if (type == 79) { } // Ice
-        else if (type == 82) { dropItem(pt, 337, 1, 4); } // Clay
-        else if (type == 83) { dropItem(pt, 338); } // Reed
-        else if (type == 89) { dropItem(pt, 348); } // Lightstone
-        else if (type == 90) { } // Portal
-        else if (type != 0) {
-            dropItem(pt, type);
-        }
-    }
-    
     /**
      * Kill mobs in an area.
      * 

src/com/sk89q/worldedit/LocalWorld.java

@@ -19,6 +19,7 @@
 
 package com.sk89q.worldedit;
 
+import java.util.Random;
 import com.sk89q.worldedit.blocks.BaseItemStack;
 
 /**
@@ -27,6 +28,11 @@ import com.sk89q.worldedit.blocks.BaseItemStack;
  * @author sk89q
  */
 public abstract class LocalWorld {
+    /**
+     * Random generator.
+     */
+    protected Random random = new Random();
+    
     /**
      * Set block type.
      * 
@@ -144,8 +150,11 @@ public abstract class LocalWorld {
      * @param count
      * @param times
      */
-    public abstract void dropItem(Vector pt, int type,
+    public void dropItem(Vector pt, int type, int count, int times) {
-            int count, int times);
+        for (int i = 0; i < times; i++) {
+            dropItem(pt, type, count);
+        }
+    }
 
     /**
      * Drop an item.
@@ -173,7 +182,59 @@ public abstract class LocalWorld {
      * 
      * @param pt
      */
-    public abstract void simulateBlockMine(Vector pt);
+    public void simulateBlockMine(Vector pt) {
+        int type = getBlockType(pt);
+        //setBlockType(pt, 0);
+
+        if (type == 1) { dropItem(pt, 4); } // Stone
+        else if (type == 2) { dropItem(pt, 3); } // Grass
+        else if (type == 7) { } // Bedrock
+        else if (type == 8) { } // Water
+        else if (type == 9) { } // Water
+        else if (type == 10) { } // Lava
+        else if (type == 11) { } // Lava
+        else if (type == 13) { // Gravel
+            dropItem(pt, type);
+
+            if (random.nextDouble() >= 0.9) {
+                dropItem(pt, 318);
+            }
+        }
+        else if (type == 16) { dropItem(pt, 263); } // Coal ore
+        else if (type == 18) { // Leaves
+            if (random.nextDouble() > 0.95) {
+                dropItem(pt, 6);
+            }
+        }
+        else if (type == 20) { } // Glass
+        else if (type == 43) { dropItem(pt, 44); } // Double step
+        else if (type == 47) { } // Bookshelves
+        else if (type == 51) { } // Fire
+        else if (type == 52) { } // Mob spawner
+        else if (type == 53) { dropItem(pt, 5); } // Wooden stairs
+        else if (type == 55) { dropItem(pt, 331); } // Redstone wire
+        else if (type == 56) { dropItem(pt, 264); } // Diamond ore
+        else if (type == 59) { dropItem(pt, 295); } // Crops
+        else if (type == 60) { dropItem(pt, 3); } // Soil
+        else if (type == 62) { dropItem(pt, 61); } // Furnace
+        else if (type == 63) { dropItem(pt, 323); } // Sign post
+        else if (type == 64) { dropItem(pt, 324); } // Wood door
+        else if (type == 67) { dropItem(pt, 4); } // Cobblestone stairs
+        else if (type == 68) { dropItem(pt, 323); } // Wall sign
+        else if (type == 71) { dropItem(pt, 330); } // Iron door
+        else if (type == 73) { dropItem(pt, 331, 1, 4); } // Redstone ore
+        else if (type == 74) { dropItem(pt, 331, 1, 4); } // Glowing redstone ore
+        else if (type == 75) { dropItem(pt, 76); } // Redstone torch
+        else if (type == 78) { } // Snow
+        else if (type == 79) { } // Ice
+        else if (type == 82) { dropItem(pt, 337, 1, 4); } // Clay
+        else if (type == 83) { dropItem(pt, 338); } // Reed
+        else if (type == 89) { dropItem(pt, 348); } // Lightstone
+        else if (type == 90) { } // Portal
+        else if (type != 0) {
+            dropItem(pt, type);
+        }
+    }
 
     /**
      * Kill mobs in an area.

src/com/sk89q/worldedit/bukkit/BukkitWorld.java

@@ -19,6 +19,10 @@
 
 package com.sk89q.worldedit.bukkit;
 
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import org.bukkit.ItemStack;
+import org.bukkit.Location;
 import org.bukkit.World;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.LocalWorld;
@@ -26,6 +30,11 @@ import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.blocks.BaseItemStack;
 
 public class BukkitWorld extends LocalWorld {
+    /**
+     * Logger.
+     */
+    private final Logger logger = Logger.getLogger("Minecraft.WorldEdit");
+    
     private World world;
     
     public BukkitWorld(World world) {
@@ -100,37 +109,39 @@ public class BukkitWorld extends LocalWorld {
 
     @Override
     public boolean generateTree(EditSession editSession, Vector pt) {
-        // TODO Auto-generated method stub
+        try {
+            return CraftBukkitInterface.generateTree(editSession, pt);
+        } catch (Throwable t) {
+            logger.log(Level.SEVERE, 
+                    "Failed to create tree (do you need to update WorldEdit " +
+                    "due to a Minecraft update?)", t);
             return false;
         }
+    }
 
     @Override
     public boolean generateBigTree(EditSession editSession, Vector pt) {
-        // TODO Auto-generated method stub
+        try {
+            return CraftBukkitInterface.generateBigTree(editSession, pt);
+        } catch (Throwable t) {
+            logger.log(Level.SEVERE, 
+                    "Failed to create tree (do you need to update WorldEdit " +
+                    "due to a Minecraft update?)", t);
             return false;
         }
-
-    @Override
-    public void dropItem(Vector pt, int type, int count, int times) {
-        // TODO Auto-generated method stub
-        
     }
 
     @Override
     public void dropItem(Vector pt, int type, int count) {
-        // TODO Auto-generated method stub
+        ItemStack item = new ItemStack(type, count);
+        world.dropItemNaturally(toLocation(pt), item);
         
     }
 
     @Override
     public void dropItem(Vector pt, int type) {
-        // TODO Auto-generated method stub
+        ItemStack item = new ItemStack(type, 1);
-        
+        world.dropItemNaturally(toLocation(pt), item);
-    }
-
-    @Override
-    public void simulateBlockMine(Vector pt) {
-        // TODO Auto-generated method stub
         
     }
 
@@ -140,6 +151,10 @@ public class BukkitWorld extends LocalWorld {
         return 0;
     }
     
+    private Location toLocation(Vector pt) {
+        return new Location(world, pt.getX(), pt.getY(), pt.getZ());
+    }
+
     @Override
     public boolean equals(Object other) {
         if (!(other instanceof BukkitWorld)) {

src/com/sk89q/worldedit/bukkit/CraftBukkitInterface.java

@@ -0,0 +1,115 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010 sk89q <http://www.sk89q.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package com.sk89q.worldedit.bukkit;
+
+import java.util.logging.Logger;
+import java.util.logging.Level;
+import java.util.Random;
+import java.lang.reflect.*;
+import net.minecraft.server.WorldGenBigTree;
+import net.minecraft.server.WorldGenTrees;
+import net.minecraft.server.WorldGenerator;
+import sun.reflect.ReflectionFactory;
+import com.sk89q.worldedit.*;
+
+/**
+ *
+ * @author sk89q
+ */
+public class CraftBukkitInterface {
+    /**
+     * Logger.
+     */
+    private static final Logger logger = Logger.getLogger("Minecraft.WorldEdit");
+    /**
+     * Random generator.
+     */
+    private static Random random = new Random();
+    /**
+     * Proxy for the tree generator.
+     */
+    private static WorldSetBlockProxy proxy;
+
+    /**
+     * Perform world generation at a location.
+     *
+     * @param pt
+     * @return
+     */
+    private static boolean performWorldGen(EditSession editSession, Vector pt,
+            WorldGenerator worldGen) {
+        if (proxy == null) {
+            try {
+                proxy = createNoConstructor(WorldSetBlockProxy.class);
+            } catch (Throwable t) {
+                logger.log(Level.WARNING, "setBlock() proxy class failed to construct",
+                        t);
+                return false;
+            }
+        }
+        proxy.setEditSession(editSession);
+
+        WorldGenerator gen = worldGen;
+        return gen.a(proxy, random,
+                pt.getBlockX(), pt.getBlockY() + 1, pt.getBlockZ());
+    }
+
+    /**
+     * Generate a tree at a location.
+     *
+     * @param pt
+     * @return
+     */
+    public static boolean generateTree(EditSession editSession, Vector pt) {
+        return performWorldGen(editSession, pt, new WorldGenTrees());
+    }
+
+    /**
+     * Generate a big tree at a location.
+     *
+     * @param pt
+     * @return
+     */
+    public static boolean generateBigTree(EditSession editSession, Vector pt) {
+        return performWorldGen(editSession, pt, new WorldGenBigTree());
+    }
+
+    /**
+     * Instantiate a class without calling its constructor.
+     *
+     * @param <T>
+     * @param clazz
+     * @return
+     * @throws Throwable
+     */
+    @SuppressWarnings("rawtypes")
+    private static <T> T createNoConstructor(Class<T> clazz) throws Throwable {
+        try {
+            ReflectionFactory factory = ReflectionFactory.getReflectionFactory();
+            Constructor objectConstructor = Object.class.getDeclaredConstructor();
+            Constructor c = factory.newConstructorForSerialization(
+                clazz, objectConstructor
+            );
+            return clazz.cast(c.newInstance());
+        } catch (Throwable e) {
+            throw e;
+        }
+    }
+}

src/com/sk89q/worldedit/bukkit/WorldSetBlockProxy.java

@@ -0,0 +1,92 @@
+package com.sk89q.worldedit.bukkit;
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010 sk89q <http://www.sk89q.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+import net.minecraft.server.World;
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.MaxChangedBlocksException;
+import com.sk89q.worldedit.blocks.BaseBlock;
+
+/**
+ * Proxy class to catch calls to set blocks.
+ *
+ * @author sk89q
+ */
+public class WorldSetBlockProxy extends World {
+    /**
+     * Edit session.
+     */
+    private EditSession editSession;
+
+    /**
+     * Constructor that should NOT be called.
+     * 
+     * @param editSession
+     */
+    public WorldSetBlockProxy(EditSession editSession) {
+        super(null, "", (long)0, null);
+        throw new IllegalStateException("MinecraftSetBlockProxy constructor called (BAD)");
+    }
+
+    /**
+     * Called to set a block.
+     * 
+     * @param x
+     * @param y
+     * @param z
+     * @param blockType
+     * @return
+     */
+    @Override
+    public boolean a(int x, int y, int z, int blockType) {
+        try {
+            return editSession.setBlock(new Vector(x, y, z), new BaseBlock(blockType));
+        } catch (MaxChangedBlocksException ex) {
+            return false;
+        }
+    }
+
+    /**
+     * Called to get a block.
+     * 
+     * @param x
+     * @param y
+     * @param z
+     * @return
+     */
+    @Override
+    public int a(int x, int y, int z) {
+        return editSession.getBlock(new Vector(x, y, z)).getID();
+    }
+
+    /**
+     * @return
+     */
+    public EditSession getEditSession() {
+        return editSession;
+    }
+
+    /**
+     * @param editSession
+     */
+    public void setEditSession(EditSession editSession) {
+        this.editSession = editSession;
+    }
+}