Added more tree generators, removed CraftBukkit/MC dependency (yay!).

build.xml

@@ -11,8 +11,6 @@
   
   <fileset dir="${lib.dir}" id="libs">
     <include name="truezip.jar" />
-    <include name="minecraft_server_cb.jar" />
-    <include name="CraftBukkit.jar" />
     <include name="Bukkit.jar" />
     <include name="GroupUsers.jar" />
     <include name="Permissions.jar" />

plugin.yml

@@ -71,10 +71,7 @@ commands:
         usage: /<command> <block> <radius> [raised?] 
     forestgen:
         description: Generate a forest
-        usage: /<command> [size] [density] 
+        usage: /<command> [size] [type] [density]
-    pinegen:
-        description: Generate a pine forest
-        usage: /<command> [size] [density]
     pumpkins:
         description: Generate pumpkin patches
         usage: /<command> [size]
@@ -197,12 +194,6 @@ commands:
     none:
         description: Turn off all superpickaxe alternate modes
         usage: /<command> 
-    bigtree:
-        description: Big tree generator tool
-        usage: /<command> 
-    pinetree:
-        description: Pine tree generator tool
-        usage: /<command> 
     repl:
         description: Block replacer tool
         usage: /<command> <block>
@@ -226,7 +217,7 @@ commands:
         usage: /<command> 
     tree:
         description: Tree generator tool
-        usage: /<command> 
+        usage: /<command> [type]
     /fillr:
         description: Fill a hole recursively
         usage: /<command>  <block> <radius> [depth] 

src/com/sk89q/worldedit/EditSession.java

@@ -30,6 +30,7 @@ import java.util.ArrayList;
 import java.util.Collections;
 import java.util.Random;
 import com.sk89q.worldedit.regions.*;
+import com.sk89q.worldedit.util.TreeGenerator;
 import com.sk89q.worldedit.bags.*;
 import com.sk89q.worldedit.blocks.*;
 import com.sk89q.worldedit.patterns.*;
@@ -1788,7 +1789,7 @@ public class EditSession {
      *            0-1 chance
      * @return whether a block was changed
      */
-    private boolean setChanceBlockIfAir(Vector pos, BaseBlock block, double c)
+    public boolean setChanceBlockIfAir(Vector pos, BaseBlock block, double c)
             throws MaxChangedBlocksException {
         if (Math.random() <= c) {
             return setBlockIfAir(pos, block);
@@ -1915,11 +1916,11 @@ public class EditSession {
      * @param basePos
      * @param size
      * @param density
-     * @param pineTree
+     * @param treeGenerator
      * @return number of trees created
      */
     public int makeForest(Vector basePos, int size, double density,
-            boolean pineTree) throws MaxChangedBlocksException {
+            TreeGenerator treeGenerator) throws MaxChangedBlocksException {
         int affected = 0;
 
         for (int x = basePos.getBlockX() - size; x <= basePos.getBlockX()
@@ -1938,11 +1939,7 @@ public class EditSession {
                     // Check if we hit the ground
                     int t = getBlock(new Vector(x, y, z)).getType();
                     if (t == 2 || t == 3) {
-                        if (pineTree) {
+                        treeGenerator.generate(this, new Vector(x, y + 1, z));
-                            makePineTree(new Vector(x, y + 1, z));
-                        } else {
-                            world.generateBigTree(this, new Vector(x, y, z));
-                        }
                         affected++;
                         break;
                     } else if (t != 0) { // Trees won't grow on this!
@@ -1955,64 +1952,6 @@ public class EditSession {
         return affected;
     }
 
-    /**
-     * Makes a terrible looking pine tree.
-     * 
-     * @param basePos
-     */
-    public void makePineTree(Vector basePos) throws MaxChangedBlocksException {
-        int trunkHeight = (int) Math.floor(Math.random() * 2) + 3;
-        int height = (int) Math.floor(Math.random() * 5) + 8;
-
-        BaseBlock logBlock = new BaseBlock(17);
-        BaseBlock leavesBlock = new BaseBlock(18);
-
-        // Create trunk
-        for (int i = 0; i < trunkHeight; i++) {
-            if (!setBlockIfAir(basePos.add(0, i, 0), logBlock)) {
-                return;
-            }
-        }
-
-        // Move up
-        basePos = basePos.add(0, trunkHeight, 0);
-
-        // Create tree + leaves
-        for (int i = 0; i < height; i++) {
-            setBlockIfAir(basePos.add(0, i, 0), logBlock);
-
-            // Less leaves at these levels
-            double chance = ((i == 0 || i == height - 1) ? 0.6 : 1);
-
-            // Inner leaves
-            setChanceBlockIfAir(basePos.add(-1, i, 0), leavesBlock, chance);
-            setChanceBlockIfAir(basePos.add(1, i, 0), leavesBlock, chance);
-            setChanceBlockIfAir(basePos.add(0, i, -1), leavesBlock, chance);
-            setChanceBlockIfAir(basePos.add(0, i, 1), leavesBlock, chance);
-            setChanceBlockIfAir(basePos.add(1, i, 1), leavesBlock, chance);
-            setChanceBlockIfAir(basePos.add(-1, i, 1), leavesBlock, chance);
-            setChanceBlockIfAir(basePos.add(1, i, -1), leavesBlock, chance);
-            setChanceBlockIfAir(basePos.add(-1, i, -1), leavesBlock, chance);
-
-            if (!(i == 0 || i == height - 1)) {
-                for (int j = -2; j <= 2; j++) {
-                    setChanceBlockIfAir(basePos.add(-2, i, j), leavesBlock, 0.6);
-                }
-                for (int j = -2; j <= 2; j++) {
-                    setChanceBlockIfAir(basePos.add(2, i, j), leavesBlock, 0.6);
-                }
-                for (int j = -2; j <= 2; j++) {
-                    setChanceBlockIfAir(basePos.add(j, i, -2), leavesBlock, 0.6);
-                }
-                for (int j = -2; j <= 2; j++) {
-                    setChanceBlockIfAir(basePos.add(j, i, 2), leavesBlock, 0.6);
-                }
-            }
-        }
-
-        setBlockIfAir(basePos.add(0, height, 0), leavesBlock);
-    }
-
     /**
      * Count the number of blocks of a list of types in a region.
      * 
@@ -2183,4 +2122,13 @@ public class EditSession {
     public void setBlockBag(BlockBag blockBag) {
         this.blockBag = blockBag;
     }
+    
+    /**
+     * Get the world.
+     * 
+     * @return
+     */
+    public LocalWorld getWorld() {
+        return world;
+    }
 }

src/com/sk89q/worldedit/LocalWorld.java

@@ -99,7 +99,8 @@ public abstract class LocalWorld {
      * @param pt
      * @return
      */
-    public abstract boolean generateTree(EditSession editSession, Vector pt);
+    public abstract boolean generateTree(EditSession editSession, Vector pt)
+            throws MaxChangedBlocksException;
 
     /**
      * Generate a big tree at a location.
@@ -107,7 +108,35 @@ public abstract class LocalWorld {
      * @param pt
      * @return
      */
-    public abstract boolean generateBigTree(EditSession editSession, Vector pt);
+    public abstract boolean generateBigTree(EditSession editSession, Vector pt)
+            throws MaxChangedBlocksException;
+
+    /**
+     * Generate a birch tree at a location.
+     * 
+     * @param pt
+     * @return
+     */
+    public abstract boolean generateBirchTree(EditSession editSession, Vector pt)
+    throws MaxChangedBlocksException;
+
+    /**
+     * Generate a redwood tree at a location.
+     * 
+     * @param pt
+     * @return
+     */
+    public abstract boolean generateRedwoodTree(EditSession editSession, Vector pt)
+    throws MaxChangedBlocksException;
+
+    /**
+     * Generate a tall redwood tree at a location.
+     * 
+     * @param pt
+     * @return
+     */
+    public abstract boolean generateTallRedwoodTree(EditSession editSession, Vector pt)
+    throws MaxChangedBlocksException;
 
     /**
      * Drop an item.

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

@@ -24,6 +24,7 @@ import org.bukkit.block.Block;
 import org.bukkit.entity.Player;
 import org.bukkit.Location;
 import org.bukkit.Server;
+import org.bukkit.World;
 import com.sk89q.worldedit.BlockVector;
 import com.sk89q.worldedit.Vector;
 
@@ -31,6 +32,10 @@ public class BukkitUtil {
     private BukkitUtil()  {
     }
     
+    public static Location toLocation(World world, Vector loc) {
+        return new Location(world, loc.getX(), loc.getY(), loc.getZ());
+    }
+    
     public static BlockVector toVector(Block block) {
         return new BlockVector(block.getX(), block.getY(), block.getZ());
     }

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

@@ -19,8 +19,6 @@
 
 package com.sk89q.worldedit.bukkit;
 
-import java.util.logging.Level;
-import java.util.logging.Logger;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockState;
 import org.bukkit.block.Furnace;
@@ -31,6 +29,7 @@ import org.bukkit.entity.LivingEntity;
 import org.bukkit.inventory.Inventory;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.Location;
+import org.bukkit.TreeType;
 import org.bukkit.World;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.LocalWorld;
@@ -38,11 +37,6 @@ import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.blocks.*;
 
 public class BukkitWorld extends LocalWorld {
-    /**
-     * Logger.
-     */
-    private final Logger logger = Logger.getLogger("Minecraft.WorldEdit");
-    
     private World world;
     
     /**
@@ -254,14 +248,8 @@ public class BukkitWorld extends LocalWorld {
      */
     @Override
     public boolean generateTree(EditSession editSession, Vector pt) {
-        try {
+        return world.generateTree(BukkitUtil.toLocation(world, pt), TreeType.TREE,
-            return CraftBukkitInterface.generateTree(editSession, pt);
+                new EditSessionBlockChangeDegate(editSession));
-        } 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;
-        }
     }
 
     /**
@@ -272,14 +260,44 @@ public class BukkitWorld extends LocalWorld {
      */
     @Override
     public boolean generateBigTree(EditSession editSession, Vector pt) {
-        try {
+        return world.generateTree(BukkitUtil.toLocation(world, pt), TreeType.BIG_TREE,
-            return CraftBukkitInterface.generateBigTree(editSession, pt);
+                new EditSessionBlockChangeDegate(editSession));
-        } catch (Throwable t) {
+    }
-            logger.log(Level.SEVERE, 
+
-                    "Failed to create tree (do you need to update WorldEdit " +
+    /**
-                    "due to a Minecraft update?)", t);
+     * Generate a birch tree at a location.
-            return false;
+     * 
-        }
+     * @param pt
+     * @return
+     */
+    @Override
+    public boolean generateBirchTree(EditSession editSession, Vector pt) {
+        return world.generateTree(BukkitUtil.toLocation(world, pt), TreeType.BIRCH,
+                new EditSessionBlockChangeDegate(editSession));
+    }
+
+    /**
+     * Generate a redwood tree at a location.
+     * 
+     * @param pt
+     * @return
+     */
+    @Override
+    public boolean generateRedwoodTree(EditSession editSession, Vector pt) {
+        return world.generateTree(BukkitUtil.toLocation(world, pt), TreeType.REDWOOD,
+                new EditSessionBlockChangeDegate(editSession));
+    }
+
+    /**
+     * Generate a redwood tree at a location.
+     * 
+     * @param pt
+     * @return
+     */
+    @Override
+    public boolean generateTallRedwoodTree(EditSession editSession, Vector pt) {
+        return world.generateTree(BukkitUtil.toLocation(world, pt), TreeType.TALL_REDWOOD,
+                new EditSessionBlockChangeDegate(editSession));
     }
 
     /**

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

@@ -1,115 +0,0 @@
-// $Id$
-/*
- * 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/EditSessionBlockChangeDegate.java

@@ -1,4 +1,3 @@
-package com.sk89q.worldedit.bukkit;
 // $Id$
 /*
  * WorldEdit
@@ -18,7 +17,9 @@ package com.sk89q.worldedit.bukkit;
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-import net.minecraft.server.World;
+package com.sk89q.worldedit.bukkit;
+
+import org.bukkit.BlockChangeDelegate;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.MaxChangedBlocksException;
@@ -29,64 +30,30 @@ import com.sk89q.worldedit.blocks.BaseBlock;
  *
  * @author sk89q
  */
-public class WorldSetBlockProxy extends World {
+public class EditSessionBlockChangeDegate implements BlockChangeDelegate {
-    /**
-     * Edit session.
-     */
     private EditSession editSession;
 
-    /**
+    public EditSessionBlockChangeDegate(EditSession editSession) {
-     * Constructor that should NOT be called.
+        this.editSession = editSession;
-     * 
-     * @param editSession
-     */
-    public WorldSetBlockProxy(EditSession editSession) {
-        super(null, "", (long)0, null);
-        throw new IllegalStateException("MinecraftSetBlockProxy constructor called (BAD)");
     }
 
-    /**
+    public boolean setTypeId(int x, int y, int z, int typeId) {
-     * Called to set a block.
-     * 
-     * @param x
-     * @param y
-     * @param z
-     * @param blockType
-     * @return
-     */
-    @Override
-    public boolean b(int x, int y, int z, int blockType) {
         try {
-            return editSession.setBlock(new Vector(x, y, z), new BaseBlock(blockType));
+            return editSession.setBlock(new Vector(x, y, z), new BaseBlock(typeId));
         } catch (MaxChangedBlocksException ex) {
             return false;
         }
     }
     
-    /**
+    public boolean setTypeIdAndData(int x, int y, int z, int typeId, int data) {
-     * Called to get a block.
+        try {
-     * 
+            return editSession.setBlock(new Vector(x, y, z), new BaseBlock(typeId, data));
-     * @param x
+        } catch (MaxChangedBlocksException ex) {
-     * @param y
+            return false;
-     * @param z
+        }
-     * @return
+    }
-     */
+
-    @Override
+    public int getTypeId(int x, int y, int z) {
-    public int a(int x, int y, int z) {
         return editSession.getBlock(new Vector(x, y, z)).getType();
     }
-
-    /**
-     * @return
-     */
-    public EditSession getEditSession() {
-        return editSession;
-    }
-
-    /**
-     * @param editSession
-     */
-    public void setEditSession(EditSession editSession) {
-        this.editSession = editSession;
-    }
 }

src/com/sk89q/worldedit/commands/GenerationCommands.java

@@ -23,6 +23,7 @@ import com.sk89q.util.commands.Command;
 import com.sk89q.util.commands.CommandContext;
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.util.TreeGenerator;
 
 /**
  * Generation commands.
@@ -132,7 +133,7 @@ public class GenerationCommands {
 
     @Command(
         aliases = {"forestgen"},
-        usage = "[size] [density] ",
+        usage = "[size] [type] [density]",
         desc = "Generate a forest",
         min = 0,
         max = 2
@@ -143,33 +144,22 @@ public class GenerationCommands {
             throws WorldEditException {
         
         int size = args.argsLength() > 0 ? Math.max(1, args.getInteger(0)) : 10;
-        double density = args.argsLength() > 1 ? Double.parseDouble(args.getString(1)) / 100 : 0.05;
+        TreeGenerator.TreeType type = args.argsLength() > 1 ?
+                type = TreeGenerator.lookup(args.getString(1))
+                : TreeGenerator.TreeType.TREE;
+        double density = args.argsLength() > 2 ? args.getDouble(2) / 100 : 0.05;
+
+        if (type == null) {
+            player.printError("Tree type '" + args.getString(1) + "' is unknown.");
+            return;
+        } else {
+        }
         
         int affected = editSession.makeForest(player.getPosition(),
-                size, density, false);
+                size, density, new TreeGenerator(type));
         player.print(affected + " trees created.");
     }
     
-    @Command(
-        aliases = {"pinegen"},
-        usage = "[size] [density]",
-        desc = "Generate a pine forest",
-        min = 0,
-        max = 2
-    )
-    @CommandPermissions({"worldedit.generation.forest"})
-    public static void pineGen(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-
-        int size = args.argsLength() > 0 ? Math.max(1, args.getInteger(0)) : 10;
-        double density = args.argsLength() > 1 ? Double.parseDouble(args.getString(1)) / 100 : 0.05;
-
-        int affected = editSession.makeForest(player.getPosition(),
-                size, density, true);
-        player.print(affected + " pine trees created.");
-    }
-    
     @Command(
         aliases = {"pumpkins"},
         usage = "[size]",

src/com/sk89q/worldedit/commands/SuperPickaxeCommands.java

@@ -24,6 +24,7 @@ import com.sk89q.util.commands.CommandContext;
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.blocks.BaseBlock;
 import com.sk89q.worldedit.superpickaxe.*;
+import com.sk89q.worldedit.util.TreeGenerator;
 
 /**
  * Super pickaxe commands.
@@ -152,55 +153,30 @@ public class SuperPickaxeCommands {
 
     @Command(
         aliases = {"tree"},
-        usage = "",
+        usage = "[type]",
         desc = "Tree generator tool",
         min = 0,
-        max = 0
+        max = 1
     )
     @CommandPermissions({"worldedit.superpickaxe.tree"})
     public static void tree(CommandContext args, WorldEdit we,
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
 
+        TreeGenerator.TreeType type = args.argsLength() > 0 ?
+                type = TreeGenerator.lookup(args.getString(0))
+                : TreeGenerator.TreeType.TREE;
+
+        if (type == null) {
+            player.printError("Tree type '" + args.getString(0) + "' is unknown.");
+            return;
+        }
+
         session.setArmSwingMode(null);
-        session.setRightClickMode(new TreePlanter());
+        session.setRightClickMode(new TreePlanter(new TreeGenerator(type)));
         player.print("Tree tool equipped. Right click grass with a pickaxe.");
     }
 
-    @Command(
-        aliases = {"bigtree"},
-        usage = "",
-        desc = "Big tree generator tool",
-        min = 0,
-        max = 0
-    )
-    @CommandPermissions({"worldedit.superpickaxe.tree.big"})
-    public static void bigTree(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-
-        session.setArmSwingMode(null);
-        session.setRightClickMode(new BigTreePlanter());
-        player.print("Big tree tool equipped. Right click grass with a pickaxe.");
-    }
-
-    @Command(
-        aliases = {"pinetree"},
-        usage = "",
-        desc = "Pine tree generator tool",
-        min = 0,
-        max = 0
-    )
-    @CommandPermissions({"worldedit.superpickaxe.tree.pine"})
-    public static void pineTree(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-
-        session.setArmSwingMode(null);
-        session.setRightClickMode(new PineTreePlanter());
-        player.print("Pine tree tool equipped. Right click a block with a pickaxe.");
-    }
-
     @Command(
         aliases = {"repl"},
         usage = "<block>",

src/com/sk89q/worldedit/superpickaxe/BigTreePlanter.java

@@ -1,49 +0,0 @@
-// $Id$
-/*
- * 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.superpickaxe;
-
-import com.sk89q.worldedit.*;
-
-/**
- * Plants a big tree.
- * 
- * @author sk89q
- */
-public class BigTreePlanter implements SuperPickaxeMode {
-    @Override
-    public boolean act(ServerInterface server, LocalConfiguration config,
-            LocalPlayer player, LocalSession session, WorldVector clicked) {
-        
-        LocalWorld world = clicked.getWorld();
-        EditSession editSession =
-            new EditSession(server, world, session.getBlockChangeLimit());
-    
-        try {
-            if (!world.generateBigTree(editSession, clicked)) {
-                player.printError("Notch won't let you put a tree there.");
-            }
-        } finally {
-            session.remember(editSession);
-        }
-    
-        return true;
-    }
-
-}

src/com/sk89q/worldedit/superpickaxe/PineTreePlanter.java

@@ -1,49 +0,0 @@
-// $Id$
-/*
- * 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.superpickaxe;
-
-import com.sk89q.worldedit.*;
-
-/**
- * Plants a pine tree.
- * 
- * @author sk89q
- */
-public class PineTreePlanter implements SuperPickaxeMode {
-    @Override
-    public boolean act(ServerInterface server, LocalConfiguration config,
-            LocalPlayer player, LocalSession session, WorldVector clicked) {
-        
-        LocalWorld world = clicked.getWorld();
-        EditSession editSession =
-            new EditSession(server, world, session.getBlockChangeLimit());
-    
-        try {
-            editSession.makePineTree(clicked.add(0, 1, 0));
-        } catch (MaxChangedBlocksException e) {
-            player.printError("Max blocks change limit reached.");
-        } finally {
-            session.remember(editSession);
-        }
-    
-        return true;
-    }
-
-}

src/com/sk89q/worldedit/superpickaxe/TreePlanter.java

@@ -20,6 +20,7 @@
 package com.sk89q.worldedit.superpickaxe;
 
 import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.util.TreeGenerator;
 
 /**
  * Plants a tree.
@@ -27,6 +28,12 @@ import com.sk89q.worldedit.*;
  * @author sk89q
  */
 public class TreePlanter implements SuperPickaxeMode {
+    private TreeGenerator gen;
+    
+    public TreePlanter(TreeGenerator gen) {
+        this.gen = gen;
+    }
+    
     @Override
     public boolean act(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {
@@ -36,9 +43,11 @@ public class TreePlanter implements SuperPickaxeMode {
             new EditSession(server, world, session.getBlockChangeLimit());
     
         try {
-            if (!world.generateTree(editSession, clicked)) {
+            if (!gen.generate(editSession, clicked.add(0, 1, 0))) {
-                player.printError("Notch won't let you put a tree there.");
+                player.printError("A tree can't go there.");
             }
+        } catch (MaxChangedBlocksException e) {
+            player.printError("Max. blocks changed reached.");
         } finally {
             session.remember(editSession);
         }

src/com/sk89q/worldedit/util/TreeGenerator.java

@@ -0,0 +1,240 @@
+// $Id$
+/*
+ * WorldEdit
+ * Copyright (C) 2010, 2011 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.util;
+
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Random;
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.LocalWorld;
+import com.sk89q.worldedit.MaxChangedBlocksException;
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.blocks.BaseBlock;
+
+/**
+ * Tree generator.
+ *
+ * @author sk89q
+ */
+public class TreeGenerator {
+    public enum TreeType {
+        TREE("Regular tree", new String[] {"tree", "regular"}),
+        BIG_TREE("Big tree", new String[] {"big", "bigtree"}),
+        REDWOOD("Redwood", new String[] {"redwood", "sequoia", "sequoioideae"}),
+        TALL_REDWOOD("Tall redwood", new String[] {"tallredwood", "tallsequoia", "tallsequoioideae"}),
+        BIRCH("Birch", new String[] {"birch", "white", "whitebark"}),
+        PINE("Pine", new String[] {"pine"}),
+        RANDOM_REDWOOD("Random redwood", new String[] {"randredwood", "randomredwood", "anyredwood"}),
+        RANDOM("Random", new String[] {"rand", "random"});
+
+        /**
+         * Stores a map of the names for fast access.
+         */
+        private static final Map<String,TreeType> lookup = new HashMap<String,TreeType>();
+
+        private final String name;
+        private final String[] lookupKeys;
+
+        static {
+            for (TreeType type : EnumSet.allOf(TreeType.class)) {
+                for (String key : type.lookupKeys) {
+                    lookup.put(key, type);
+                }
+            }
+        }
+        
+        TreeType(String name, String lookupKey) {
+            this.name = name;
+            this.lookupKeys = new String[]{ lookupKey };
+        }
+        
+        TreeType(String name, String[] lookupKeys) {
+            this.name = name;
+            this.lookupKeys = lookupKeys;
+        }
+        
+        /**
+         * Get user-friendly tree type name.
+         *
+         * @return
+         */
+        public String getName() {
+            return name;
+        }
+        
+        /**
+         * Return type from name. May return null.
+         *
+         * @param name
+         * @return
+         */
+        public static TreeType lookup(String name) {
+            return lookup.get(name.toLowerCase());
+        }
+    };
+    
+    private static Random rand = new Random();
+    
+    private TreeType type;
+    
+    /**
+     * Construct the tree generator with a tree type.
+     * 
+     * @param type
+     */
+    public TreeGenerator(TreeType type) {
+        this.type = type;
+    }
+    
+    /**
+     * Generate a tree.
+     * 
+     * @param world
+     * @param editSession
+     * @param pos
+     * @return
+     * @throws MaxChangedBlocksException
+     */
+    public boolean generate(EditSession editSession, Vector pos)
+            throws MaxChangedBlocksException {
+        return generate(type, editSession, pos);
+    }
+    
+    /**
+     * Generate a tree.
+     * 
+     * @param world
+     * @param editSession
+     * @param pos
+     * @return
+     * @throws MaxChangedBlocksException
+     */
+    private boolean generate(TreeType type, EditSession editSession, Vector pos)
+            throws MaxChangedBlocksException {
+        LocalWorld world = editSession.getWorld();
+        
+        TreeType[] choices;
+        TreeType realType;
+        
+        switch (type) {
+            case TREE:
+                return world.generateTree(editSession, pos);
+            case BIG_TREE:
+                return world.generateBigTree(editSession, pos);
+            case BIRCH:
+                return world.generateBirchTree(editSession, pos);
+            case REDWOOD:
+                return world.generateRedwoodTree(editSession, pos);
+            case TALL_REDWOOD:
+                return world.generateTallRedwoodTree(editSession, pos);
+            case PINE:
+                makePineTree(editSession, pos);
+                return true;
+            case RANDOM_REDWOOD:
+                choices = 
+                    new TreeType[] {
+                        TreeType.REDWOOD, TreeType.TALL_REDWOOD
+                        };
+                realType = choices[rand.nextInt(choices.length)];
+                return generate(realType, editSession, pos);
+            case RANDOM:
+                choices = 
+                    new TreeType[] {
+                        TreeType.TREE, TreeType.BIG_TREE, TreeType.BIRCH,
+                        TreeType.REDWOOD, TreeType.TALL_REDWOOD, TreeType.PINE
+                        };
+                realType = choices[rand.nextInt(choices.length)];
+                return generate(realType, editSession, pos);
+        }
+        
+        return false;
+    }
+
+    /**
+     * Makes a terrible looking pine tree.
+     * 
+     * @param basePos
+     */
+    private static void makePineTree(EditSession editSession, Vector basePos)
+            throws MaxChangedBlocksException {
+        int trunkHeight = (int) Math.floor(Math.random() * 2) + 3;
+        int height = (int) Math.floor(Math.random() * 5) + 8;
+
+        BaseBlock logBlock = new BaseBlock(17);
+        BaseBlock leavesBlock = new BaseBlock(18);
+
+        // Create trunk
+        for (int i = 0; i < trunkHeight; i++) {
+            if (!editSession.setBlockIfAir(basePos.add(0, i, 0), logBlock)) {
+                return;
+            }
+        }
+
+        // Move up
+        basePos = basePos.add(0, trunkHeight, 0);
+
+        // Create tree + leaves
+        for (int i = 0; i < height; i++) {
+            editSession.setBlockIfAir(basePos.add(0, i, 0), logBlock);
+
+            // Less leaves at these levels
+            double chance = ((i == 0 || i == height - 1) ? 0.6 : 1);
+
+            // Inner leaves
+            editSession.setChanceBlockIfAir(basePos.add(-1, i, 0), leavesBlock, chance);
+            editSession.setChanceBlockIfAir(basePos.add(1, i, 0), leavesBlock, chance);
+            editSession.setChanceBlockIfAir(basePos.add(0, i, -1), leavesBlock, chance);
+            editSession.setChanceBlockIfAir(basePos.add(0, i, 1), leavesBlock, chance);
+            editSession.setChanceBlockIfAir(basePos.add(1, i, 1), leavesBlock, chance);
+            editSession.setChanceBlockIfAir(basePos.add(-1, i, 1), leavesBlock, chance);
+            editSession.setChanceBlockIfAir(basePos.add(1, i, -1), leavesBlock, chance);
+            editSession.setChanceBlockIfAir(basePos.add(-1, i, -1), leavesBlock, chance);
+
+            if (!(i == 0 || i == height - 1)) {
+                for (int j = -2; j <= 2; j++) {
+                    editSession.setChanceBlockIfAir(basePos.add(-2, i, j), leavesBlock, 0.6);
+                }
+                for (int j = -2; j <= 2; j++) {
+                    editSession.setChanceBlockIfAir(basePos.add(2, i, j), leavesBlock, 0.6);
+                }
+                for (int j = -2; j <= 2; j++) {
+                    editSession.setChanceBlockIfAir(basePos.add(j, i, -2), leavesBlock, 0.6);
+                }
+                for (int j = -2; j <= 2; j++) {
+                    editSession.setChanceBlockIfAir(basePos.add(j, i, 2), leavesBlock, 0.6);
+                }
+            }
+        }
+
+        editSession.setBlockIfAir(basePos.add(0, height, 0), leavesBlock);
+    }
+    
+    /**
+     * Looks up a tree type. May return null if a tree type by that
+     * name is not found.
+     * 
+     * @param type
+     * @return
+     */
+    public static TreeType lookup(String type) {
+        return TreeType.lookup(type);
+    }
+}