Overhauled the tool system. All tools can now be bound to any held item so you can have multiple tools out a time. New masks framework allows making a filter of blocks to change. Brushes are now powerful as well.

plugin.yml

@@ -2,18 +2,18 @@ name: WorldEdit
 main: com.sk89q.worldedit.bukkit.WorldEditPlugin
 version: "WEVERSIONMACRO"
 commands:
-    /sb:
+    sphere:
         description: Choose the sphere brush
         usage: /<command> [-h] <block> [radius]
-        aliases: ['/sphereb']
+        aliases: ['s']
-    /cb:
+    cylinder:
         description: Choose the cylinder brush
         usage: /<command> [-h] <block> [radius] [height]
-        aliases: ['/cylb']
+        aliases: ['cyl', 'c']
-    /cbb:
+    clipboard:
         description: Choose the clipboard brush
         usage: /<command> [-a] 
-        aliases: ['/copyb']
+        aliases: ['copy']
     chunkinfo:
         description: Get information about the chunk that you are inside
         usage: /<command> 
@@ -57,18 +57,18 @@ commands:
     /limit:
         description: Modify block change limit
         usage: /<command> <limit>
-    /hcyl:
+    /sphere:
-        description: Generate a hollow cylinder
+        description: Generate a filled sphere
-        usage: /<command> <block> <radius> [height] 
+        usage: /<command> <block> <radius> [raised?] 
     /cyl:
         description: Generate a cylinder
         usage: /<command> <block> <radius> [height] 
+    /hcyl:
+        description: Generate a hollow cylinder
+        usage: /<command> <block> <radius> [height] 
     /hsphere:
         description: Generate a hollow sphere
         usage: /<command> <block> <radius> [raised?] 
-    /sphere:
-        description: Generate a filled sphere
-        usage: /<command> <block> <radius> [raised?] 
     forestgen:
         description: Generate a forest
         usage: /<command> [size] [type] [density]
@@ -184,13 +184,16 @@ commands:
     /restore:
         description: Restore the selection from a snapshot
         usage: /<command> [snapshot]
-    /:
-        description: Toggle the super pickaxe pickaxe function
-        usage: /<command> 
-        aliases: [',']
     area:
         description: Enable the area super pickaxe pickaxe mode
         usage: /<command> <radius>
+    recur:
+        description: Enable the recursive super pickaxe pickaxe mode
+        usage: /<command> <radius>
+        aliases: ['recursive']
+    single:
+        description: Enable the single block super pickaxe mode
+        usage: /<command> 
     none:
         description: Turn off all superpickaxe alternate modes
         usage: /<command> 
@@ -200,24 +203,31 @@ commands:
     cycler:
         description: Block data cycler tool
         usage: /<command> 
-    /brush:
+    brush:
-        description: Build from far away
+        description: Brush tool
-        usage: /<command> [-r] 
-    /rbrush:
-        description: Brush tool that will only replace blocks
         usage: /<command> 
-    recur:
+        aliases: ['b']
-        description: Enable the recursive super pickaxe pickaxe mode
-        usage: /<command> <radius>
     info:
         description: Block information tool
         usage: /<command> 
-    single:
-        description: Enable the single block super pickaxe mode
-        usage: /<command> 
     tree:
         description: Tree generator tool
         usage: /<command> [type]
+    tool:
+        description: Select a tool to bind
+        usage: /<command> 
+        aliases: ['t']
+    /:
+        description: Toggle the super pickaxe pickaxe function
+        usage: /<command> 
+        aliases: [',']
+    pickaxe:
+        description: Select super pickaxe mode
+        usage: /<command> 
+        aliases: ['pa', 'spa']
+    mask:
+        description: Set the brush mask
+        usage: /<command> [mask]
     /fillr:
         description: Fill a hole recursively
         usage: /<command>  <block> <radius> [depth] 

src/com/sk89q/worldedit/EditSession.java

@@ -104,11 +104,10 @@ public class EditSession {
     /**
      * Construct the object with a maximum number of blocks.
      * 
-     * @param server
      * @param world
      * @param maxBlocks
      */
-    public EditSession(ServerInterface server, LocalWorld world, int maxBlocks) {
+    public EditSession(LocalWorld world, int maxBlocks) {
         if (maxBlocks < -1) {
             throw new IllegalArgumentException("Max blocks must be >= -1");
         }
@@ -120,12 +119,12 @@ public class EditSession {
     /**
      * Construct the object with a maximum number of blocks and a block bag.
      * 
-     * @param server
+     * @param world
      * @param maxBlocks
+     * @param blockBag
      * @blockBag
      */
-    public EditSession(ServerInterface server, LocalWorld world, int maxBlocks,
+    public EditSession(LocalWorld world, int maxBlocks, BlockBag blockBag) {
-            BlockBag blockBag) {
         if (maxBlocks < -1) {
             throw new IllegalArgumentException("Max blocks must be >= -1");
         }
@@ -231,6 +230,7 @@ public class EditSession {
      * @param pt
      * @param block
      * @return Whether the block changed -- not entirely dependable
+     * @throws MaxChangedBlocksException 
      */
     public boolean setBlock(Vector pt, BaseBlock block)
             throws MaxChangedBlocksException {
@@ -249,6 +249,19 @@ public class EditSession {
         return smartSetBlock(pt, block);
     }
 
+    /**
+     * Set a block with a pattern.
+     * 
+     * @param pt
+     * @param pat
+     * @return Whether the block changed -- not entirely dependable
+     * @throws MaxChangedBlocksException 
+     */
+    public boolean setBlock(Vector pt, Pattern pat)
+            throws MaxChangedBlocksException {
+        return setBlock(pt, pat.next(pt));
+    }
+
     /**
      * Set a block only if there's no block already there.
      * 
@@ -381,23 +394,23 @@ public class EditSession {
     /**
      * Restores all blocks to their initial state.
      */
-    public void undo() {
+    public void undo(EditSession sess) {
         for (Map.Entry<BlockVector, BaseBlock> entry : original) {
             BlockVector pt = (BlockVector) entry.getKey();
-            smartSetBlock(pt, (BaseBlock) entry.getValue());
+            sess.smartSetBlock(pt, (BaseBlock) entry.getValue());
         }
-        flushQueue();
+        sess.flushQueue();
     }
 
     /**
      * Sets to new state.
      */
-    public void redo() {
+    public void redo(EditSession sess) {
         for (Map.Entry<BlockVector, BaseBlock> entry : current) {
             BlockVector pt = (BlockVector) entry.getKey();
-            smartSetBlock(pt, (BaseBlock) entry.getValue());
+            sess.smartSetBlock(pt, (BaseBlock) entry.getValue());
         }
-        flushQueue();
+        sess.flushQueue();
     }
 
     /**
@@ -1453,7 +1466,7 @@ public class EditSession {
      * @throws MaxChangedBlocksException
      */
     private int makeHCylinderPoints(Vector center, int x, int z, int height,
-            BaseBlock block) throws MaxChangedBlocksException {
+            Pattern block) throws MaxChangedBlocksException {
         int affected = 0;
 
         if (x == 0) {
@@ -1499,7 +1512,7 @@ public class EditSession {
      * @return number of blocks set
      * @throws MaxChangedBlocksException
      */
-    public int makeHollowCylinder(Vector pos, BaseBlock block, int radius,
+    public int makeHollowCylinder(Vector pos, Pattern block, int radius,
             int height) throws MaxChangedBlocksException {
         int x = 0;
         int z = radius;
@@ -1548,7 +1561,7 @@ public class EditSession {
      * @throws MaxChangedBlocksException
      */
     private int makeCylinderPoints(Vector center, int x, int z, int height,
-            BaseBlock block) throws MaxChangedBlocksException {
+            Pattern block) throws MaxChangedBlocksException {
         int affected = 0;
 
         if (x == z) {
@@ -1586,7 +1599,7 @@ public class EditSession {
      * @return number of blocks set
      * @throws MaxChangedBlocksException
      */
-    public int makeCylinder(Vector pos, BaseBlock block, int radius, int height)
+    public int makeCylinder(Vector pos, Pattern block, int radius, int height)
             throws MaxChangedBlocksException {
         int x = 0;
         int z = radius;
@@ -1634,7 +1647,7 @@ public class EditSession {
      * @return number of blocks changed
      * @throws MaxChangedBlocksException
      */
-    public int makeSphere(Vector pos, BaseBlock block, int radius,
+    public int makeSphere(Vector pos, Pattern block, int radius,
             boolean filled) throws MaxChangedBlocksException {
         int affected = 0;
 

src/com/sk89q/worldedit/HeightMap.java

@@ -19,7 +19,7 @@ package com.sk89q.worldedit;
 */
 
 import com.sk89q.worldedit.blocks.BaseBlock;
-import com.sk89q.worldedit.filters.HeightMapFilter;
+import com.sk89q.worldedit.filtering.HeightMapFilter;
 import com.sk89q.worldedit.regions.Region;
 
 /**

src/com/sk89q/worldedit/LocalSession.java

@@ -19,20 +19,29 @@
 
 package com.sk89q.worldedit;
 
+import java.util.HashMap;
 import java.util.LinkedList;
+import java.util.Map;
 import com.sk89q.worldedit.snapshots.Snapshot;
-import com.sk89q.worldedit.superpickaxe.SinglePickaxe;
+import com.sk89q.worldedit.tools.Brush;
-import com.sk89q.worldedit.superpickaxe.SuperPickaxeMode;
+import com.sk89q.worldedit.tools.SinglePickaxe;
-import com.sk89q.worldedit.superpickaxe.brushes.BrushShape;
+import com.sk89q.worldedit.tools.BlockTool;
+import com.sk89q.worldedit.tools.Tool;
 import com.sk89q.worldedit.bags.BlockBag;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.CuboidRegion;
 
 /**
+ * An instance of this represents the WorldEdit session of a user. A session
+ * stores history and settings. Sessions are not tied particularly to any
+ * player and can be shuffled between players, saved, and loaded.
  *
  * @author sk89q
  */
 public class LocalSession {
+    /**
+     * List of compass modes.
+     */
     public enum CompassMode {
         JUMPTO,
         THRU
@@ -50,15 +59,14 @@ public class LocalSession {
     private CuboidClipboard clipboard;
     private boolean toolControl = true;
     private boolean superPickaxe = false;
-    private SuperPickaxeMode leftClickMode = new SinglePickaxe();
+    private BlockTool pickaxeMode = new SinglePickaxe();
-    private SuperPickaxeMode armSwingMode;
+    private Map<Integer, Tool> tools
-    private SuperPickaxeMode rightClickMode;
+            = new HashMap<Integer, Tool>();
     private int maxBlocksChanged = -1;
     private boolean useInventory;
     private Snapshot snapshot;
     private String lastScript;
     private CompassMode compassMode = CompassMode.JUMPTO;
-    private BrushShape brushShape = null;
     private boolean beenToldVersion = false;
     
     /**
@@ -79,7 +87,10 @@ public class LocalSession {
     }
 
     /**
-     * Get the edit session.
+     * Remember an edit session for the undo history. If the history maximum
+     * size is reached, old edit sessions will be discarded.
+     * 
+     * @param editSession
      */
     public void remember(EditSession editSession) {
         // Don't store anything if no changes were made
@@ -97,16 +108,18 @@ public class LocalSession {
     }
 
     /**
-     * Undo.
+     * Performs an undo.
      *
+     * @param newBlockBag
      * @return whether anything was undone
      */
     public EditSession undo(BlockBag newBlockBag) {
         historyPointer--;
         if (historyPointer >= 0) {
             EditSession editSession = history.get(historyPointer);
-            editSession.setBlockBag(newBlockBag);
+            EditSession newEditSession =
-            editSession.undo();
+                    new EditSession(editSession.getWorld(), -1, newBlockBag);
+            editSession.undo(newEditSession);
             return editSession;
         } else {
             historyPointer = 0;
@@ -115,15 +128,17 @@ public class LocalSession {
     }
 
     /**
-     * Redo.
+     * Performs a redo
      *
+     * @param newBlockBag
      * @return whether anything was redone
      */
     public EditSession redo(BlockBag newBlockBag) {
         if (historyPointer < history.size()) {
             EditSession editSession = history.get(historyPointer);
-            editSession.setBlockBag(newBlockBag);
+            EditSession newEditSession =
-            editSession.redo();
+                new EditSession(editSession.getWorld(), -1, newBlockBag);
+            editSession.redo(newEditSession);
             historyPointer++;
             return editSession;
         }
@@ -156,7 +171,7 @@ public class LocalSession {
     /**
      * Returns true if the region is fully defined.
      * 
-     * @throws IncompleteRegionException
+     * @return 
      */
     public boolean isRegionDefined() {
         return pos1 != null && pos2 != null;
@@ -303,8 +318,6 @@ public class LocalSession {
 
     /**
      * Enable super pick axe.
-     *
-     * @param superPickaxe
      */
     public void enableSuperPickAxe() {
         superPickaxe = true;
@@ -312,8 +325,6 @@ public class LocalSession {
 
     /**
      * Disable super pick axe.
-     *
-     * @param superPickaxe
      */
     public void disableSuperPickAxe() {
         superPickaxe = false;
@@ -330,6 +341,9 @@ public class LocalSession {
     }
 
     /**
+     * Get the placement position.
+     * 
+     * @param player 
      * @return position
      * @throws IncompleteRegionException
      */
@@ -344,7 +358,9 @@ public class LocalSession {
     }
 
     /**
-     * Toggle placement position;
+     * Toggle placement position.
+     * 
+     * @return 
      */
     public boolean togglePlacementPosition() {
         placeAtPos1 = !placeAtPos1;
@@ -365,13 +381,17 @@ public class LocalSession {
     }
 
     /**
-     * @return the snapshotName
+     * Get the snapshot that has been selected.
+     * 
+     * @return the snapshot
      */
     public Snapshot getSnapshot() {
         return snapshot;
     }
 
     /**
+     * Select a snapshot.
+     * 
      * @param snapshot
      */
     public void setSnapshot(Snapshot snapshot) {
@@ -381,46 +401,61 @@ public class LocalSession {
     /**
      * @return the superPickaxeMode
      */
-    public SuperPickaxeMode getLeftClickMode() {
+    public BlockTool getSuperPickaxe() {
-        return leftClickMode;
+        return pickaxeMode;
     }
 
     /**
-     * @param superPickaxeMode the superPickaxeMode to set
+     * Set the super pickaxe tool.
+     * 
+     * @param tool
      */
-    public void setLeftClickMode(SuperPickaxeMode leftClickMode) {
+    public void setSuperPickaxe(BlockTool tool) {
-        this.leftClickMode = leftClickMode;
+        this.pickaxeMode = tool;
     }
 
     /**
+     * Get the tool assigned to the item.
+     * 
+     * @param item 
      * @return the tool
      */
-    public SuperPickaxeMode getRightClickMode() {
+    public Tool getTool(int item) {
-        return rightClickMode;
+        return tools.get(item);
     }
 
     /**
+     * Get the brush tool assigned to the item. If there is no tool assigned
+     * or the tool is not assigned, the slot will be replaced with the
+     * brush tool.
+     * 
+     * @param item 
+     * @return the tool
+     */
+    public Brush getBrushTool(int item) {
+        Tool tool = getTool(item);
+        
+        if (tool == null || !(tool instanceof Brush)) {
+            tool = new Brush();
+            setTool(item, tool);
+        }
+        
+        return (Brush)tool;
+    }
+
+    /**
+     * Set the tool.
+     * 
+     * @param item 
      * @param tool the tool to set
      */
-    public void setRightClickMode(SuperPickaxeMode rightClickMode) {
+    public void setTool(int item, Tool tool) {
-        this.rightClickMode = rightClickMode;
+        this.tools.put(item, tool);
-    }
-
-    /**
-     * @return the arm swing mode
-     */
-    public SuperPickaxeMode getArmSwingMode() {
-        return armSwingMode;
-    }
-
-    /**
-     * @param rightClickMode the tool to set
-     */
-    public void setArmSwingMode(SuperPickaxeMode armSwingMode) {
-        this.armSwingMode = armSwingMode;
     }
 
     /**
+     * Returns whether inventory usage is enabled for this session.
+     * 
      * @return the useInventory
      */
     public boolean isUsingInventory() {
@@ -428,6 +463,8 @@ public class LocalSession {
     }
 
     /**
+     * Set the state of inventory usage.
+     * 
      * @param useInventory the useInventory to set
      */
     public void setUseInventory(boolean useInventory) {
@@ -435,6 +472,8 @@ public class LocalSession {
     }
 
     /**
+     * Get the last script used.
+     * 
      * @return the lastScript
      */
     public String getLastScript() {
@@ -442,6 +481,8 @@ public class LocalSession {
     }
 
     /**
+     * Set the last script used.
+     * 
      * @param lastScript the lastScript to set
      */
     public void setLastScript(String lastScript) {
@@ -449,6 +490,8 @@ public class LocalSession {
     }
 
     /**
+     * Get the compass mode.
+     * 
      * @return the compassMode
      */
     public CompassMode getCompassMode() {
@@ -456,28 +499,18 @@ public class LocalSession {
     }
 
     /**
+     * Set the compass mode.
+     * 
      * @param compassMode the compassMode to set
      */
     public void setCompassMode(CompassMode compassMode) {
         this.compassMode = compassMode;
     }
     
-    /**
-     * @return the brushShape
-     */
-    public BrushShape getBrushShape() {
-        return brushShape;
-    }
-
-    /**
-     * @param brushShape the brushShape to set
-     */
-    public void setBrushShape(BrushShape brushShape) {
-        this.brushShape = brushShape;
-    }
-    
     /**
      * Tell the player the WorldEdit version.
+     * 
+     * @param player 
      */
     public void tellVersion(LocalPlayer player) {
         if (config.showFirstUseVersion) {

src/com/sk89q/worldedit/ReplacingEditSession.java

@@ -21,78 +21,62 @@ package com.sk89q.worldedit;
 
 import com.sk89q.worldedit.bags.BlockBag;
 import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.masks.Mask;
 
 /**
- * An edit session that can be set to not replace existing blocks.
+ * An edit session that will only replace blocks as specified.
  * 
  * @author sk89q
  */
 public class ReplacingEditSession extends EditSession {
     /**
-     * True to prevent replacing.
+     * Filter to use to filter blocks.
      */
-    private boolean noReplace = false;
+    private Mask mask;
     
     /**
      * Construct the object.
      * 
-     * @param server
      * @param world
      * @param maxBlocks
+     * @param mask 
      */
-    public ReplacingEditSession(ServerInterface server, LocalWorld world,
+    public ReplacingEditSession(LocalWorld world,
-            int maxBlocks) {
+            int maxBlocks, Mask mask) {
-        super(server, world, maxBlocks);
+        super(world, maxBlocks);
+        this.mask = mask;
     }
 
     /**
      * Construct the object.
      * 
-     * @param server
      * @param world
      * @param maxBlocks
      * @param blockBag
+     * @param mask 
      */
-    public ReplacingEditSession(ServerInterface server, LocalWorld world,
+    public ReplacingEditSession(LocalWorld world, int maxBlocks,
-            int maxBlocks, BlockBag blockBag) {
+            BlockBag blockBag, Mask mask) {
-        super(server, world, maxBlocks, blockBag);
+        super(world, maxBlocks, blockBag);
-    }
+        this.mask = mask;
-    
-    /**
-     * Enables block replacing.
-     */
-    public void enableReplacing() {
-        noReplace = false;
-    }
-    
-    /**
-     * Disables block replacing.
-     */
-    public void disableReplacing() {
-        noReplace = true;
     }
     
     /**
      * Sets a block without changing history.
      * 
      * @param pt
-     * @param blockType
+     * @param block
      * @return Whether the block changed
      */
+    @Override
     public boolean rawSetBlock(Vector pt, BaseBlock block) {        
-        if (!noReplace) {
-            return super.rawSetBlock(pt, block);
-        }
-        
         int y = pt.getBlockY();
         
         if (y < 0 || y > 127) {
             return false;
         }
         
-        int existing = world.getBlockType(pt);
+        if (!mask.matches(this, pt)) {
-        
-        if (existing != 0) {
             return false;
         }
         

src/com/sk89q/worldedit/ReplacingExistingEditSession.java

@@ -1,102 +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;
-
-import com.sk89q.worldedit.bags.BlockBag;
-import com.sk89q.worldedit.blocks.BaseBlock;
-
-/**
- * An edit session that can be set to only replace existing blocks.
- * 
- * @author sk89q
- */
-public class ReplacingExistingEditSession extends EditSession {
-    /**
-     * True to replace existing.
-     */
-    private boolean replaceExisting = false;
-    
-    /**
-     * Construct the object.
-     * 
-     * @param server
-     * @param world
-     * @param maxBlocks
-     */
-    public ReplacingExistingEditSession(ServerInterface server, LocalWorld world,
-            int maxBlocks) {
-        super(server, world, maxBlocks);
-    }
-
-    /**
-     * Construct the object.
-     * 
-     * @param server
-     * @param world
-     * @param maxBlocks
-     * @param blockBag
-     */
-    public ReplacingExistingEditSession(ServerInterface server, LocalWorld world,
-            int maxBlocks, BlockBag blockBag) {
-        super(server, world, maxBlocks, blockBag);
-    }
-    
-    /**
-     * Enables block replacing.
-     */
-    public void enableReplacing() {
-        replaceExisting = true;
-    }
-    
-    /**
-     * Disables block replacing.
-     */
-    public void disableReplacing() {
-        replaceExisting = false;
-    }
-    
-    /**
-     * Sets a block without changing history.
-     * 
-     * @param pt
-     * @param blockType
-     * @return Whether the block changed
-     */
-    public boolean rawSetBlock(Vector pt, BaseBlock block) {
-        if (!replaceExisting) {
-            return super.rawSetBlock(pt, block);
-        }
-        
-        int y = pt.getBlockY();
-        
-        if (y < 0 || y > 127) {
-            return false;
-        }
-        
-        int existing = world.getBlockType(pt);
-        
-        if (existing == 0) {
-            return false;
-        }
-        
-        return super.rawSetBlock(pt, block);
-    }
-
-}

src/com/sk89q/worldedit/WorldEdit.java

@@ -29,7 +29,6 @@ import java.util.logging.Level;
 import java.util.logging.Logger;
 import java.io.*;
 import javax.script.ScriptException;
-import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandsManager;
 import com.sk89q.util.StringUtil;
 import com.sk89q.worldedit.LocalSession.CompassMode;
@@ -37,6 +36,12 @@ import com.sk89q.worldedit.bags.BlockBag;
 import com.sk89q.worldedit.blocks.*;
 import com.sk89q.worldedit.commands.*;
 import com.sk89q.worldedit.scripting.*;
+import com.sk89q.worldedit.tools.BlockTool;
+import com.sk89q.worldedit.tools.Tool;
+import com.sk89q.worldedit.tools.TraceTool;
+import com.sk89q.worldedit.masks.BlockTypeMask;
+import com.sk89q.worldedit.masks.ExistingBlockMask;
+import com.sk89q.worldedit.masks.Mask;
 import com.sk89q.worldedit.patterns.*;
 
 /**
@@ -105,8 +110,8 @@ public class WorldEdit {
         commands.register(ScriptingCommands.class);
         commands.register(SelectionCommands.class);
         commands.register(SnapshotCommands.class);
-        commands.register(SuperPickaxeCommands.class);
+        commands.register(ToolUtilCommands.class);
-        commands.register(BrushShapeCommands.class);
+        commands.register(ToolCommands.class);
         commands.register(UtilityCommands.class);
     }
 
@@ -290,6 +295,8 @@ public class WorldEdit {
      * @param player
      * @param list
      * @return pattern
+     * @throws UnknownItemException 
+     * @throws DisallowedItemException 
      */
     public Pattern getBlockPattern(LocalPlayer player, String list)
             throws UnknownItemException, DisallowedItemException {
@@ -335,6 +342,29 @@ public class WorldEdit {
         return new RandomFillPattern(blockChances);
     }
     
+    /**
+     * Get a block mask. Block masks are used to determine which
+     * blocks to include when replacing.
+     * 
+     * @param player
+     * @param list
+     * @return
+     * @throws UnknownItemException
+     * @throws DisallowedItemException
+     */
+    public Mask getBlockMask(LocalPlayer player, String list)
+            throws UnknownItemException, DisallowedItemException {
+        if (list.charAt(0) == '#') {
+            if (list.equalsIgnoreCase("#existing")) {
+                return new ExistingBlockMask();
+            } else {
+                throw new UnknownItemException(list);
+            }
+        } else {
+            return new BlockTypeMask(getBlockIDs(player, list, true));
+        }
+    }
+
     /**
      * Get a list of blocks as a set.
      *
@@ -342,6 +372,8 @@ public class WorldEdit {
      * @param list
      * @param allBlocksAllowed
      * @return set
+     * @throws UnknownItemException 
+     * @throws DisallowedItemException 
      */
     public Set<Integer> getBlockIDs(LocalPlayer player,
             String list, boolean allBlocksAllowed)
@@ -361,6 +393,7 @@ public class WorldEdit {
      * traversal exploits by checking the root directory and the file directory.
      * On success, a <code>java.io.File</code> object will be returned.
      * 
+     * @param player 
      * @param dir sub-directory to look in
      * @param filename filename (user-submitted)
      * @param defaultExt append an extension if missing one, null to not use
@@ -380,6 +413,7 @@ public class WorldEdit {
      * traversal exploits by checking the root directory and the file directory.
      * On success, a <code>java.io.File</code> object will be returned.
      * 
+     * @param player 
      * @param dir sub-directory to look in
      * @param filename filename (user-submitted)
      * @param defaultExt append an extension if missing one, null to not use
@@ -493,8 +527,9 @@ public class WorldEdit {
      * null if a direction could not be found.
      * 
      * @param player
-     * @param dir
+     * @param dirStr 
      * @return
+     * @throws UnknownDirectionException 
      */
     public Vector getDirection(LocalPlayer player, String dirStr)
             throws UnknownDirectionException {
@@ -540,8 +575,9 @@ public class WorldEdit {
      * null if a direction could not be found.
      *
      * @param player
-     * @param dir
+     * @param dirStr 
      * @return
+     * @throws UnknownDirectionException 
      */
     public CuboidClipboard.FlipDirection getFlipDirection(
             LocalPlayer player, String dirStr)
@@ -589,7 +625,6 @@ public class WorldEdit {
      * Flush a block bag's changes to a player.
      * 
      * @param player
-     * @param blockBag
      * @param editSession
      */
     public void flushBlockBag(LocalPlayer player,
@@ -651,13 +686,7 @@ public class WorldEdit {
     public boolean handleArmSwing(LocalPlayer player) {
         LocalSession session = getSession(player);
         
-        if (player.isHoldingPickAxe()) {
+        if (player.getItemInHand() == config.navigationWand
-            if (session.getArmSwingMode() != null) {
-                session.getArmSwingMode().act(server, config,
-                        player, session, null);
-                return true;
-            }
-        } else if (player.getItemInHand() == config.navigationWand
                 && config.navigationWandMaxDistance > 0) {
             CompassMode mode = session.getCompassMode();
             
@@ -687,13 +716,7 @@ public class WorldEdit {
     public boolean handleRightClick(LocalPlayer player) {
         LocalSession session = getSession(player);
         
-        if (player.isHoldingPickAxe()) {
+        if (player.getItemInHand() == config.navigationWand) {
-            if (session.getArmSwingMode() != null) {
-                session.getArmSwingMode().act(server, config,
-                        player, session, null);
-                return true;
-            }
-        } else if (player.getItemInHand() == config.navigationWand) {
             CompassMode mode = session.getCompassMode();
             
             if (mode == CompassMode.JUMPTO) {
@@ -715,6 +738,13 @@ public class WorldEdit {
             return true;
         }
         
+        Tool tool = session.getTool(player.getItemInHand());
+        
+        if (tool != null && tool instanceof TraceTool) {
+            ((TraceTool)tool).act(server, config, player, session);
+            return true;
+        }
+        
         return false;
     }
 
@@ -733,6 +763,7 @@ public class WorldEdit {
         if (itemInHand == config.wandItem && session.isToolControlEnabled()
                 && player.hasPermission("worldedit.selection.pos")) {
             session.setPos2(clicked);
+            
             try {
                 player.print("Second position set to " + clicked
                         + " (" + session.getRegion().getSize() + ").");
@@ -741,8 +772,13 @@ public class WorldEdit {
             }
 
             return true;
-        } else if (player.isHoldingPickAxe() && session.getRightClickMode() != null) {
+        }
-            return session.getRightClickMode().act(server, config, player, session, clicked);
+
+        Tool tool = session.getTool(player.getItemInHand());
+        
+        if (tool != null && tool instanceof BlockTool) {
+            ((BlockTool)tool).act(server, config, player, session, clicked);
+            return true;
         }
 
         return false;
@@ -785,8 +821,8 @@ public class WorldEdit {
                 return true;
             }
         } else if (player.isHoldingPickAxe() && session.hasSuperPickAxe()) {
-            if (session.getLeftClickMode() != null) {
+            if (session.getSuperPickaxe() != null) {
-                return session.getLeftClickMode().act(server, config,
+                return session.getSuperPickaxe().act(server, config,
                         player, session, clicked);
             }
         }
@@ -830,7 +866,7 @@ public class WorldEdit {
                 session.tellVersion(player);
                 
                 EditSession editSession =
-                        new EditSession(server, player.getWorld(),
+                        new EditSession(player.getWorld(),
                                 session.getBlockChangeLimit(), blockBag);
                 editSession.enableQueue();
 
@@ -913,7 +949,7 @@ public class WorldEdit {
      * Executes a WorldEdit script.
      * 
      * @param player
-     * @param filename
+     * @param f
      * @param args
      * @throws WorldEditException 
      */

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

@@ -30,28 +30,29 @@ import com.sk89q.worldedit.LocalSession;
 import com.sk89q.worldedit.Vector;
 import com.sk89q.worldedit.WorldEdit;
 import com.sk89q.worldedit.WorldEditException;
-import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.patterns.Pattern;
-import com.sk89q.worldedit.superpickaxe.brushes.ClipboardBrushShape;
+import com.sk89q.worldedit.tools.Brush;
-import com.sk89q.worldedit.superpickaxe.brushes.CylinderBrushShape;
+import com.sk89q.worldedit.tools.brushes.ClipboardBrush;
-import com.sk89q.worldedit.superpickaxe.brushes.HollowCylinderBrushShape;
+import com.sk89q.worldedit.tools.brushes.CylinderBrush;
-import com.sk89q.worldedit.superpickaxe.brushes.SphereBrushShape;
+import com.sk89q.worldedit.tools.brushes.HollowCylinderBrush;
-import com.sk89q.worldedit.superpickaxe.brushes.HollowSphereBrushShape;
+import com.sk89q.worldedit.tools.brushes.HollowSphereBrush;
+import com.sk89q.worldedit.tools.brushes.SphereBrush;
 
 /**
  * Brush shape commands.
  *
  * @author sk89q
  */
-public class BrushShapeCommands {
+public class BrushCommands {
     @Command(
-        aliases = {"/sb", "/sphereb"},
+        aliases = {"sphere", "s"},
         usage = "<block> [radius]",
         flags = "h",
         desc = "Choose the sphere brush",
         min = 1,
         max = 2
     )
-    @CommandPermissions({"worldedit.superpickaxe.drawing.brush.sphere"})
+    @CommandPermissions({"worldedit.brush.sphere"})
     public static void sphereBrush(CommandContext args, WorldEdit we,
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
@@ -65,26 +66,30 @@ public class BrushShapeCommands {
             return;
         }
 
-        BaseBlock targetBlock = we.getBlock(player, args.getString(0));
+        Brush tool = session.getBrushTool(player.getItemInHand());
+        Pattern fill = we.getBlockPattern(player, args.getString(0));
+        tool.setFill(fill);
+        tool.setSize(radius);
         
         if (args.hasFlag('h')) {
-            session.setBrushShape(new HollowSphereBrushShape(targetBlock, radius));
+            tool.setBrush(new HollowSphereBrush());
         } else {
-            session.setBrushShape(new SphereBrushShape(targetBlock, radius));
+            tool.setBrush(new SphereBrush());
         }
 
-        player.print("Sphere brush shape equipped.");
+        player.print(String.format("Sphere brush shape equipped (%d).",
+                radius));
     }
 
     @Command(
-        aliases = {"/cb", "/cylb"},
+        aliases = {"cylinder", "cyl", "c"},
         usage = "<block> [radius] [height]",
         flags = "h",
         desc = "Choose the cylinder brush",
         min = 1,
-        max = 2
+        max = 3
     )
-    @CommandPermissions({"worldedit.superpickaxe.drawing.brush.cylinder"})
+    @CommandPermissions({"worldedit.brush.cylinder"})
     public static void cylinderBrush(CommandContext args, WorldEdit we,
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
@@ -98,33 +103,37 @@ public class BrushShapeCommands {
             return;
         }
 
-        int height = args.argsLength() > 1 ? args.getInteger(1) : 1;
+        int height = args.argsLength() > 2 ? args.getInteger(2) : 1;
         if (height > config.maxBrushRadius) {
             player.printError("Maximum allowed brush radius/height: "
                     + config.maxBrushRadius);
             return;
         }
 
-        BaseBlock targetBlock = we.getBlock(player, args.getString(0));
+        Brush tool = session.getBrushTool(player.getItemInHand());
+        Pattern fill = we.getBlockPattern(player, args.getString(0));
+        tool.setFill(fill);
+        tool.setSize(radius);
         
         if (args.hasFlag('h')) {
-            session.setBrushShape(new HollowCylinderBrushShape(targetBlock, radius, height));
+            tool.setBrush(new HollowCylinderBrush(height));
         } else {
-            session.setBrushShape(new CylinderBrushShape(targetBlock, radius, height));
+            tool.setBrush(new CylinderBrush(height));
         }
         
-        player.print("Cylinder brush shape equipped.");
+        player.print(String.format("Cylinder brush shape equipped (%d by %d).",
+                radius, height));
     }
 
     @Command(
-        aliases = {"/cbb", "/copyb"},
+        aliases = {"clipboard", "copy"},
         usage = "",
         flags = "a",
         desc = "Choose the clipboard brush",
         min = 0,
         max = 0
     )
-    @CommandPermissions({"worldedit.superpickaxe.drawing.brush.clipboard"})
+    @CommandPermissions({"worldedit.brush.clipboard"})
     public static void clipboardBrush(CommandContext args, WorldEdit we,
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
@@ -148,7 +157,8 @@ public class BrushShapeCommands {
             return;
         }
 
-        session.setBrushShape(new ClipboardBrushShape(clipboard, args.hasFlag('a')));
+        Brush tool = session.getBrushTool(player.getItemInHand());
+        tool.setBrush(new ClipboardBrush(clipboard, args.hasFlag('a')));
         
         player.print("Clipboard brush shape equipped.");
     }

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

@@ -0,0 +1,67 @@
+// $Id$
+/*
+ * 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.commands;
+
+import com.sk89q.minecraft.util.commands.Command;
+import com.sk89q.minecraft.util.commands.CommandContext;
+import com.sk89q.minecraft.util.commands.CommandPermissions;
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.LocalPlayer;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.WorldEdit;
+import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.tools.Brush;
+import com.sk89q.worldedit.tools.ReplacingBrush;
+
+public class BrushModeCommands {
+    @Command(
+        aliases = {"normal", "s"},
+        usage = "",
+        desc = "Normal brush mode",
+        min = 0,
+        max = 0
+    )
+    @CommandPermissions({"worldedit.brush.mode.normal"})
+    public static void normal(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+        
+        session.setRightClickMode(null);
+        session.setArmSwingMode(new Brush(true));
+        player.print("Normal brush mode set.");
+    }
+    
+    @Command(
+        aliases = {"replace", "r"},
+        usage = "",
+        desc = "Replace existing blocks only",
+        min = 0,
+        max = 0
+    )
+    @CommandPermissions({"worldedit.brush.mode.replace"})
+    public static void replace(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+        
+        session.setRightClickMode(null);
+        session.setArmSwingMode(new ReplacingBrush());
+        player.print("Replacing brush mode equipped.");
+    }
+}

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

@@ -23,7 +23,7 @@ import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
 import com.sk89q.worldedit.*;
-import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.patterns.Pattern;
 import com.sk89q.worldedit.util.TreeGenerator;
 
 /**
@@ -44,7 +44,7 @@ public class GenerationCommands {
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
 
-        BaseBlock block = we.getBlock(player, args.getString(0));
+        Pattern block = we.getBlockPattern(player, args.getString(0));
         int radius = Math.max(1, args.getInteger(1));
         int height = args.argsLength() > 2 ? args.getInteger(2) : 1;
 
@@ -65,7 +65,7 @@ public class GenerationCommands {
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
 
-        BaseBlock block = we.getBlock(player, args.getString(0));
+        Pattern block = we.getBlockPattern(player, args.getString(0));
         int radius = Math.max(1, args.getInteger(1));
         int height = args.argsLength() > 2 ? args.getInteger(2) : 1;
 
@@ -86,7 +86,7 @@ public class GenerationCommands {
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
 
-        BaseBlock block = we.getBlock(player, args.getString(0));
+        Pattern block = we.getBlockPattern(player, args.getString(0));
         int radius = Math.max(1, args.getInteger(1));
         boolean raised = args.argsLength() > 2
                 ? (args.getString(2).equalsIgnoreCase("true")
@@ -115,7 +115,7 @@ public class GenerationCommands {
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
 
-        BaseBlock block = we.getBlock(player, args.getString(0));
+        Pattern block = we.getBlockPattern(player, args.getString(0));
         int radius = Math.max(1, args.getInteger(1));
         boolean raised = args.argsLength() > 2
                 ? (args.getString(2).equalsIgnoreCase("true")

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

@@ -25,8 +25,8 @@ import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.blocks.BaseBlock;
-import com.sk89q.worldedit.filters.GaussianKernel;
+import com.sk89q.worldedit.filtering.GaussianKernel;
-import com.sk89q.worldedit.filters.HeightMapFilter;
+import com.sk89q.worldedit.filtering.HeightMapFilter;
 import com.sk89q.worldedit.patterns.*;
 import com.sk89q.worldedit.regions.Region;
 

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

@@ -1,7 +1,7 @@
 // $Id$
 /*
  * WorldEdit
- * Copyright (C) 2010 sk89q <http://www.sk89q.com>
+ * 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
@@ -22,37 +22,17 @@ package com.sk89q.worldedit.commands;
 import com.sk89q.minecraft.util.commands.Command;
 import com.sk89q.minecraft.util.commands.CommandContext;
 import com.sk89q.minecraft.util.commands.CommandPermissions;
-import com.sk89q.minecraft.util.commands.NestedCommand;
+import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.LocalConfiguration;
-import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.LocalPlayer;
-import com.sk89q.worldedit.superpickaxe.*;
+import com.sk89q.worldedit.LocalSession;
-import com.sk89q.worldedit.util.TreeGenerator;
+import com.sk89q.worldedit.WorldEdit;
+import com.sk89q.worldedit.WorldEditException;
+import com.sk89q.worldedit.tools.AreaPickaxe;
+import com.sk89q.worldedit.tools.RecursivePickaxe;
+import com.sk89q.worldedit.tools.SinglePickaxe;
 
-/**
- * Super pickaxe commands.
- * 
- * @author sk89q
- */
 public class SuperPickaxeCommands {    
-    @Command(
-        aliases = {"/", ","},
-        usage = "",
-        desc = "Toggle the super pickaxe pickaxe function",
-        min = 0,
-        max = 0
-    )
-    @CommandPermissions({"worldedit.superpickaxe.pickaxe"})
-    public static void togglePickaxe(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-
-        if (session.toggleSuperPickAxe()) {
-            player.print("Super pick axe enabled.");
-        } else {
-            player.print("Super pick axe disabled.");
-        }
-    }
-    
     @Command(
         aliases = {"single"},
         usage = "",
@@ -60,12 +40,12 @@ public class SuperPickaxeCommands {
         min = 0,
         max = 0
     )
-    @CommandPermissions({"worldedit.superpickaxe.pickaxe"})
+    @CommandPermissions({"worldedit.superpickaxe"})
     public static void single(CommandContext args, WorldEdit we,
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
 
-        session.setLeftClickMode(new SinglePickaxe());
+        session.setSuperPickaxe(new SinglePickaxe());
         session.enableSuperPickAxe();
         player.print("Mode changed. Left click with a pickaxe. // to disable.");
     }
@@ -77,7 +57,7 @@ public class SuperPickaxeCommands {
         min = 1,
         max = 1
     )
-    @CommandPermissions({"worldedit.superpickaxe.pickaxe.area"})
+    @CommandPermissions({"worldedit.superpickaxe.area"})
     public static void area(CommandContext args, WorldEdit we,
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
@@ -90,19 +70,19 @@ public class SuperPickaxeCommands {
             return;
         }
         
-        session.setLeftClickMode(new AreaPickaxe(range));
+        session.setSuperPickaxe(new AreaPickaxe(range));
         session.enableSuperPickAxe();
         player.print("Mode changed. Left click with a pickaxe. // to disable.");
     }
     
     @Command(
-        aliases = {"recur"},
+        aliases = {"recur", "recursive"},
         usage = "<radius>",
         desc = "Enable the recursive super pickaxe pickaxe mode",
         min = 1,
         max = 1
     )
-    @CommandPermissions({"worldedit.superpickaxe.pickaxe.recursive"})
+    @CommandPermissions({"worldedit.superpickaxe.recursive"})
     public static void recursive(CommandContext args, WorldEdit we,
             LocalSession session, LocalPlayer player, EditSession editSession)
             throws WorldEditException {
@@ -115,143 +95,8 @@ public class SuperPickaxeCommands {
             return;
         }
         
-        session.setLeftClickMode(new RecursivePickaxe(range));
+        session.setSuperPickaxe(new RecursivePickaxe(range));
         session.enableSuperPickAxe();
         player.print("Mode changed. Left click with a pickaxe. // to disable.");
     }
-
-    @Command(
-        aliases = {"none"},
-        usage = "",
-        desc = "Turn off all superpickaxe alternate modes",
-        min = 0,
-        max = 0
-    )
-    public static void none(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-
-        session.setArmSwingMode(null);
-        session.setRightClickMode(null);
-        player.print("Now no longer equipping a tool.");
-    }
-
-    @Command(
-        aliases = {"info"},
-        usage = "",
-        desc = "Block information tool",
-        min = 0,
-        max = 0
-    )
-    @CommandPermissions({"worldedit.superpickaxe.info"})
-    public static void info(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-
-        session.setArmSwingMode(null);
-        session.setRightClickMode(new QueryTool());
-        player.print("Info tool equipped. Right click with a pickaxe.");
-    }
-
-    @Command(
-        aliases = {"tree"},
-        usage = "[type]",
-        desc = "Tree generator tool",
-        min = 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(new TreeGenerator(type)));
-        player.print("Tree tool equipped. Right click grass with a pickaxe.");
-    }
-
-    @Command(
-        aliases = {"repl"},
-        usage = "<block>",
-        desc = "Block replacer tool",
-        min = 1,
-        max = 1
-    )
-    @CommandPermissions({"worldedit.superpickaxe.replacer"})
-    public static void repl(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-
-        BaseBlock targetBlock = we.getBlock(player, args.getString(0));
-        session.setArmSwingMode(null);
-        session.setRightClickMode(new BlockReplacer(targetBlock));
-        player.print("Block replacer tool equipped. Right click with a pickaxe.");
-    }
-
-    @Command(
-        aliases = {"cycler"},
-        usage = "",
-        desc = "Block data cycler tool",
-        min = 0,
-        max = 0
-    )
-    @CommandPermissions({"worldedit.superpickaxe.data-cycler"})
-    public static void cycler(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-
-        session.setArmSwingMode(null);
-        session.setRightClickMode(new BlockDataCyler());
-        player.print("Block cycler tool equipped. Right click with a pickaxe.");
-    }
-
-    @Command(
-        aliases = {"/brush"},
-        usage = "",
-        flags = "r",
-        desc = "Build from far away",
-        min = 0,
-        max = 0
-    )
-    @CommandPermissions({"worldedit.superpickaxe.drawing.brush"})
-    public static void brush(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-        
-        boolean nonReplacing = args.hasFlag('r');
-        
-        session.setRightClickMode(null);
-        session.setArmSwingMode(new Brush(nonReplacing));
-        if (nonReplacing) {
-            player.print("Non-replacing brush tool equipped.");
-        } else {
-            player.print("Brush tool equipped. Swing with a pickaxe.");
-        }
-    }
-    
-    @Command(
-        aliases = {"/rbrush"},
-        usage = "",
-        desc = "Brush tool that will only replace blocks",
-        min = 0,
-        max = 0
-    )
-    @CommandPermissions({"worldedit.superpickaxe.drawing.brush"})
-    public static void rbrush(CommandContext args, WorldEdit we,
-            LocalSession session, LocalPlayer player, EditSession editSession)
-            throws WorldEditException {
-        
-        session.setRightClickMode(null);
-        session.setArmSwingMode(new ReplacingBrush());
-        player.print("Replacing brush tool equipped. Swing with a pickaxe.");
-    }
 }

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

@@ -0,0 +1,130 @@
+// $Id$
+/*
+ * 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.commands;
+
+import com.sk89q.minecraft.util.commands.Command;
+import com.sk89q.minecraft.util.commands.CommandContext;
+import com.sk89q.minecraft.util.commands.CommandPermissions;
+import com.sk89q.minecraft.util.commands.NestedCommand;
+import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.tools.*;
+import com.sk89q.worldedit.util.TreeGenerator;
+
+public class ToolCommands {
+    @Command(
+        aliases = {"none"},
+        usage = "",
+        desc = "Turn off all superpickaxe alternate modes",
+        min = 0,
+        max = 0
+    )
+    public static void none(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+
+        session.setTool(player.getItemInHand(), null);
+        player.print("Now no longer equipping a tool.");
+    }
+
+    @Command(
+        aliases = {"info"},
+        usage = "",
+        desc = "Block information tool",
+        min = 0,
+        max = 0
+    )
+    @CommandPermissions({"worldedit.tool.info"})
+    public static void info(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+
+        session.setTool(player.getItemInHand(), new QueryTool());
+        player.print("Info tool equipped. Right click with a pickaxe.");
+    }
+
+    @Command(
+        aliases = {"tree"},
+        usage = "[type]",
+        desc = "Tree generator tool",
+        min = 0,
+        max = 1
+    )
+    @CommandPermissions({"worldedit.tool.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.setTool(player.getItemInHand(), new TreePlanter(new TreeGenerator(type)));
+        player.print("Tree tool equipped. Right click grass with a pickaxe.");
+    }
+
+    @Command(
+        aliases = {"repl"},
+        usage = "<block>",
+        desc = "Block replacer tool",
+        min = 1,
+        max = 1
+    )
+    @CommandPermissions({"worldedit.tool.replacer"})
+    public static void repl(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+
+        BaseBlock targetBlock = we.getBlock(player, args.getString(0));
+        session.setTool(player.getItemInHand(), new BlockReplacer(targetBlock));
+        player.print("Block replacer tool equipped. Right click with a pickaxe.");
+    }
+
+    @Command(
+        aliases = {"cycler"},
+        usage = "",
+        desc = "Block data cycler tool",
+        min = 0,
+        max = 0
+    )
+    @CommandPermissions({"worldedit.tool.data-cycler"})
+    public static void cycler(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+
+        session.setTool(player.getItemInHand(), new BlockDataCyler());
+        player.print("Block cycler tool equipped. Right click with a pickaxe.");
+    }
+
+    @Command(
+        aliases = {"brush", "b"},
+        desc = "Brush tool"
+    )
+    @NestedCommand({BrushCommands.class})
+    public static void brush(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+    }
+}

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

@@ -0,0 +1,93 @@
+// $Id$
+/*
+ * 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.commands;
+
+import com.sk89q.minecraft.util.commands.Command;
+import com.sk89q.minecraft.util.commands.CommandContext;
+import com.sk89q.minecraft.util.commands.CommandPermissions;
+import com.sk89q.minecraft.util.commands.NestedCommand;
+import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.masks.Mask;
+
+/**
+ * Tool commands.
+ * 
+ * @author sk89q
+ */
+public class ToolUtilCommands {
+    @Command(
+        aliases = {"/", ","},
+        usage = "",
+        desc = "Toggle the super pickaxe pickaxe function",
+        min = 0,
+        max = 0
+    )
+    @CommandPermissions({"worldedit.superpickaxe"})
+    public static void togglePickaxe(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+
+        if (session.toggleSuperPickAxe()) {
+            player.print("Super pick axe enabled.");
+        } else {
+            player.print("Super pick axe disabled.");
+        }
+    }
+
+    @Command(
+        aliases = {"pickaxe", "pa", "spa"},
+        desc = "Select super pickaxe mode"
+    )
+    @NestedCommand({SuperPickaxeCommands.class})
+    public static void pickaxe(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+    }
+
+    @Command(
+        aliases = {"tool", "t"},
+        desc = "Select a tool to bind"
+    )
+    @NestedCommand({ToolCommands.class})
+    public static void tool(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+    }
+
+    @Command(
+        aliases = {"mask"},
+        usage = "[mask]",
+        desc = "Set the brush mask",
+        min = 0,
+        max = 1
+    )
+    public static void mask(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+        if (args.argsLength() == 0) {
+            session.getBrushTool(player.getItemInHand()).setMask(null);
+            player.print("Brush mask disabled.");
+        } else {
+            Mask mask = we.getBlockMask(player, args.getString(0));
+            session.getBrushTool(player.getItemInHand()).setMask(mask);
+            player.print("Brush mask set.");
+        }
+    }
+}

src/com/sk89q/worldedit/filtering/GaussianKernel.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.filters;
+package com.sk89q.worldedit.filtering;
 
 import java.awt.image.Kernel;
 

src/com/sk89q/worldedit/filtering/HeightMapFilter.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.filters;
+package com.sk89q.worldedit.filtering;
 
 import java.awt.image.Kernel;
 

src/com/sk89q/worldedit/filtering/LinearKernel.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.filters;
+package com.sk89q.worldedit.filtering;
 
 import java.awt.image.Kernel;
 

src/com/sk89q/worldedit/masks/BlockTypeMask.java

@@ -17,26 +17,40 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe.brushes;
+package com.sk89q.worldedit.masks;
 
+import java.util.HashSet;
+import java.util.Set;
 import com.sk89q.worldedit.EditSession;
-import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.Vector;
-import com.sk89q.worldedit.blocks.BaseBlock;
 
-public class HollowCylinderBrushShape implements BrushShape {
+/**
-    private BaseBlock targetBlock;
+ * A filter that matches blocks based on block types.
-    private int radius;
+ *
-    private int height;
+ * @author sk89q
+ */
+public class BlockTypeMask implements Mask {
+    private Set<Integer> types;
     
-    public HollowCylinderBrushShape(BaseBlock targetBlock, int radius, int height) {
+    public BlockTypeMask() {
-        this.targetBlock = targetBlock;
+        types = new HashSet<Integer>();
-        this.radius = radius;
-        this.height = height;
     }
     
-    public void build(EditSession editSession, Vector pos)
+    public BlockTypeMask(Set<Integer> types) {
-            throws MaxChangedBlocksException {
+        this.types = types;
-        editSession.makeHollowCylinder(pos, targetBlock, radius, height);
     }
+    
+    public BlockTypeMask(int type) {
+        this();
+        add(type);
+    }
+    
+    public void add(int type) {
+        types.add(type);
+    }
+    
+    public boolean matches(EditSession editSession, Vector pos) {
+        return types.contains(editSession.getBlockType(pos));
+    }
+
 }

src/com/sk89q/worldedit/masks/ExistingBlockMask.java

@@ -0,0 +1,29 @@
+// $Id$
+/*
+ * 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.masks;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.Vector;
+
+public class ExistingBlockMask implements Mask {
+    public boolean matches(EditSession editSession, Vector pos) {
+        return editSession.getBlockType(pos) != 0;
+    }
+}

src/com/sk89q/worldedit/masks/Mask.java

@@ -0,0 +1,42 @@
+// $Id$
+/*
+ * 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.masks;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.Vector;
+
+/**
+ * Base matcher for the block filtering framework. Implementing classes
+ * can be used to filter blocks to set or replace
+ *
+ * @author sk89q
+ */
+public interface Mask {
+    /**
+     * Given a block position, this method returns true if the block at
+     * that position matches the filter. Block information is not provided
+     * as getting a BaseBlock has unneeded overhead in most block querying
+     * situations (enumerating a chest's contents is a waste, for example).
+     * 
+     * @param pos
+     * @return
+     */
+    public boolean matches(EditSession editSession, Vector pos);
+}

src/com/sk89q/worldedit/scripting/CraftScriptContext.java

@@ -61,7 +61,7 @@ public class CraftScriptContext extends CraftScriptEnvironment {
      */
     public EditSession remember() {
         EditSession editSession =
-                new EditSession(server, player.getWorld(),
+                new EditSession(player.getWorld(),
                         session.getBlockChangeLimit(), session.getBlockBag(player));
         editSession.enableQueue();
         editSessions.add(editSession);

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

@@ -1,79 +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.*;
-import com.sk89q.worldedit.bags.BlockBag;
-import com.sk89q.worldedit.superpickaxe.brushes.BrushShape;
-
-/**
- * Builds a shape at the place being looked at.
- * 
- * @author sk89q
- */
-public class Brush implements SuperPickaxeMode {
-    private boolean nonReplacing;
-    
-    public Brush(boolean nonReplacing) {
-        this.nonReplacing = nonReplacing;
-    }
-    
-    @Override
-    public boolean act(ServerInterface server, LocalConfiguration config,
-            LocalPlayer player, LocalSession session, WorldVector clicked) {
-        WorldVector target = player.getBlockTrace(500);
-        
-        if (target == null) {
-            player.printError("No block in sight!");
-            return true;
-        }
-        
-        BlockBag bag = session.getBlockBag(player);
-        
-        BrushShape shape = session.getBrushShape();
-        
-        if (shape == null) {
-            player.printError("Select a brush first.");
-            return true;
-        }
-        
-        ReplacingEditSession editSession = new ReplacingEditSession(server, target.getWorld(),
-                session.getBlockChangeLimit(), bag);
-        
-        if (nonReplacing) {
-            editSession.disableReplacing();
-        }
-        
-        try {
-            shape.build(editSession, target);
-        } catch (MaxChangedBlocksException e) {
-            player.printError("Max blocks change limit reached.");
-        } finally {
-            if (bag != null) {
-                bag.flushChanges();
-            }
-            editSession.enableReplacing();
-            session.remember(editSession);
-        }
-        
-        return true;
-    }
-
-}

src/com/sk89q/worldedit/tools/AreaPickaxe.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe;
+package com.sk89q.worldedit.tools;
 
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.blocks.BaseBlock;
@@ -28,7 +28,7 @@ import com.sk89q.worldedit.blocks.BlockID;
  * 
  * @author sk89q
  */
-public class AreaPickaxe implements SuperPickaxeMode {
+public class AreaPickaxe implements BlockTool {
     private static final BaseBlock air = new BaseBlock(0);
     private int range;
     
@@ -53,8 +53,8 @@ public class AreaPickaxe implements SuperPickaxeMode {
             return true;
         }
 
-        EditSession editSession = new EditSession(server, world,
+        EditSession editSession =
-                session.getBlockChangeLimit());
+                new EditSession(world, session.getBlockChangeLimit());
         
         try {
             for (int x = ox - range; x <= ox + range; x++) {

src/com/sk89q/worldedit/tools/BlockDataCyler.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe;
+package com.sk89q.worldedit.tools;
 
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.blocks.BlockID;
@@ -27,7 +27,7 @@ import com.sk89q.worldedit.blocks.BlockID;
  * 
  * @author sk89q
  */
-public class BlockDataCyler implements SuperPickaxeMode {
+public class BlockDataCyler implements BlockTool {
     @Override
     public boolean act(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {

src/com/sk89q/worldedit/tools/BlockReplacer.java

@@ -17,18 +17,18 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe;
+package com.sk89q.worldedit.tools;
 
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.bags.BlockBag;
 import com.sk89q.worldedit.blocks.BaseBlock;
 
 /**
- * A smode that replaces one block.
+ * A mode that replaces one block.
  * 
  * @author sk89q
  */
-public class BlockReplacer implements SuperPickaxeMode {
+public class BlockReplacer implements BlockTool {
     private BaseBlock targetBlock;
     
     public BlockReplacer(BaseBlock targetBlock) {
@@ -42,7 +42,7 @@ public class BlockReplacer implements SuperPickaxeMode {
         BlockBag bag = session.getBlockBag(player);
         
         LocalWorld world = clicked.getWorld();
-        EditSession editSession = new EditSession(server, world, -1, bag);
+        EditSession editSession = new EditSession(world, -1, bag);
         
         try {
             editSession.setBlock(clicked, targetBlock);

src/com/sk89q/worldedit/tools/BlockTool.java

@@ -17,20 +17,22 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe;
+package com.sk89q.worldedit.tools;
 
 import com.sk89q.worldedit.*;
 
 /**
- * Represents a super pickaxe mode.
+ * Represents a tool that uses a block..
  * 
  * @author sk89q
  */
-public interface SuperPickaxeMode {
+public interface BlockTool extends Tool {
     /**
      * Perform the action. Should return true to deny the default
      * action.
      * 
+     * @param server 
+     * @param config 
      * @param player
      * @param session
      * @param clicked

src/com/sk89q/worldedit/tools/Brush.java

@@ -0,0 +1,159 @@
+// $Id$
+/*
+ * 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.tools;
+
+import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.bags.BlockBag;
+import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.blocks.BlockID;
+import com.sk89q.worldedit.masks.Mask;
+import com.sk89q.worldedit.patterns.Pattern;
+import com.sk89q.worldedit.patterns.SingleBlockPattern;
+import com.sk89q.worldedit.tools.brushes.BrushShape;
+import com.sk89q.worldedit.tools.brushes.SphereBrush;
+
+/**
+ * Builds a shape at the place being looked at.
+ * 
+ * @author sk89q
+ */
+public class Brush implements TraceTool {
+    private Mask mask = null;
+    private BrushShape brush = new SphereBrush();
+    private Pattern material = new SingleBlockPattern(new BaseBlock(BlockID.COBBLESTONE));
+    private int size = 1;
+    
+    /**
+     * Get the filter.
+     * 
+     * @return the filter
+     */
+    public Mask getMask() {
+        return mask;
+    }
+
+    /**
+     * Set the block filter used for identifying blocks to replace.
+     * 
+     * @param filter the filter to set
+     */
+    public void setMask(Mask filter) {
+        this.mask = filter;
+    }
+
+    /**
+     * Set the brush.
+     * 
+     * @param brush
+     */
+    public void setBrush(BrushShape brush) {
+        this.brush = brush;
+    }
+    
+    /**
+     * Get the current brush.
+     * 
+     * @return
+     */
+    public BrushShape getBrush() {
+        return brush;
+    }
+    
+    /**
+     * Set the material.
+     * 
+     * @param material
+     */
+    public void setFill(Pattern material) {
+        this.material = material;
+    }
+    
+    /**
+     * Get the material.
+     * 
+     * @return
+     */
+    public Pattern getMaterial() {
+        return material;
+    }
+
+    /**
+     * Get the set brush size.
+     * 
+     * @return
+     */
+    public int getSize() {
+        return size;
+    }
+
+    /**
+     * Set the set brush size.
+     * 
+     * @param size
+     */
+    public void setSize(int size) {
+        this.size = size;
+    }
+
+    /**
+     * Perform the action. Should return true to deny the default
+     * action.
+     * 
+     * @param player
+     * @param session
+     * @return true to deny
+     */
+    @Override
+    public boolean act(ServerInterface server, LocalConfiguration config,
+            LocalPlayer player, LocalSession session) {
+        WorldVector target = player.getBlockTrace(500);
+        
+        if (target == null) {
+            player.printError("No block in sight!");
+            return true;
+        }
+        
+        BlockBag bag = session.getBlockBag(player);
+        
+        EditSession editSession;
+        
+        if (mask == null) {
+            editSession = new EditSession(target.getWorld(),
+                    session.getBlockChangeLimit(), bag);
+        } else {
+            editSession = new ReplacingEditSession(target.getWorld(),
+                    session.getBlockChangeLimit(), bag, mask);
+        }
+        
+        try {
+            brush.build(editSession, target, material, size);
+        } catch (MaxChangedBlocksException e) {
+            player.printError("Max blocks change limit reached.");
+        } finally {
+            if (bag != null) {
+                bag.flushChanges();
+            }
+            session.remember(editSession);
+        }
+        
+        return true;
+    }
+
+}

src/com/sk89q/worldedit/tools/QueryTool.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe;
+package com.sk89q.worldedit.tools;
 
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.blocks.*;
@@ -27,14 +27,14 @@ import com.sk89q.worldedit.blocks.*;
  * 
  * @author sk89q
  */
-public class QueryTool implements SuperPickaxeMode {
+public class QueryTool implements BlockTool {
 
     @Override
     public boolean act(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {
         
         LocalWorld world = clicked.getWorld();
-        BaseBlock block = (new EditSession(server, world, 0)).rawGetBlock(clicked);
+        BaseBlock block = (new EditSession(world, 0)).rawGetBlock(clicked);
 
         player.print("\u00A79@" + clicked + ": " + "\u00A7e"
                 + "Type: " + block.getType() + "\u00A77" + " ("

src/com/sk89q/worldedit/tools/RecursivePickaxe.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe;
+package com.sk89q.worldedit.tools;
 
 import java.util.HashSet;
 import java.util.Set;
@@ -31,7 +31,7 @@ import com.sk89q.worldedit.blocks.BlockID;
  * 
  * @author sk89q
  */
-public class RecursivePickaxe implements SuperPickaxeMode {
+public class RecursivePickaxe implements BlockTool {
     private static final BaseBlock air = new BaseBlock(0);
     private int range;
     
@@ -54,8 +54,8 @@ public class RecursivePickaxe implements SuperPickaxeMode {
             return true;
         }
         
-        EditSession editSession = new EditSession(server, world,
+        EditSession editSession =
-                session.getBlockChangeLimit());
+                new EditSession(world, session.getBlockChangeLimit());
 
         try {
             recurse(server, editSession, world, clicked.toBlockVector(),

src/com/sk89q/worldedit/tools/ReplacingBrush.java

@@ -17,18 +17,18 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe;
+package com.sk89q.worldedit.tools;
 
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.bags.BlockBag;
-import com.sk89q.worldedit.superpickaxe.brushes.BrushShape;
+import com.sk89q.worldedit.tools.brushes.BrushShape;
 
 /**
  * Builds a sphere at the place being looked at.
  * 
  * @author sk89q
  */
-public class ReplacingBrush implements SuperPickaxeMode {
+public class ReplacingBrush implements Tool {
     public boolean act(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {
         WorldVector target = player.getBlockTrace(500);

src/com/sk89q/worldedit/tools/SinglePickaxe.java

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe;
+package com.sk89q.worldedit.tools;
 
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.blocks.BlockID;
@@ -27,7 +27,7 @@ import com.sk89q.worldedit.blocks.BlockID;
  * 
  * @author sk89q
  */
-public class SinglePickaxe implements SuperPickaxeMode {
+public class SinglePickaxe implements BlockTool {
     @Override
     public boolean act(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {

src/com/sk89q/worldedit/tools/Tool.java

@@ -0,0 +1,29 @@
+// $Id$
+/*
+ * 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.tools;
+
+/**
+ * Represents a tool. This interface alone defines nothing. A tool also
+ * has to implement <code>BlockTool</code> or <code>TraceTool</code>.
+ *
+ * @author sk89q
+ */
+public abstract interface Tool {
+}

src/com/sk89q/worldedit/tools/TraceTool.java

@@ -0,0 +1,45 @@
+// $Id$
+/*
+ * 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.tools;
+
+import com.sk89q.worldedit.LocalConfiguration;
+import com.sk89q.worldedit.LocalPlayer;
+import com.sk89q.worldedit.LocalSession;
+import com.sk89q.worldedit.ServerInterface;
+
+/**
+ * Represents a tool that does not require a block.
+ *
+ * @author sk89q
+ */
+public interface TraceTool extends Tool {
+    /**
+     * Perform the action. Should return true to deny the default
+     * action.
+     * 
+     * @param server 
+     * @param config 
+     * @param player
+     * @param session
+     * @return true to deny
+     */
+    public boolean act(ServerInterface server, LocalConfiguration config,
+            LocalPlayer player, LocalSession session);
+}

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

@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe;
+package com.sk89q.worldedit.tools;
 
 import com.sk89q.worldedit.*;
 import com.sk89q.worldedit.util.TreeGenerator;
@@ -27,7 +27,7 @@ import com.sk89q.worldedit.util.TreeGenerator;
  * 
  * @author sk89q
  */
-public class TreePlanter implements SuperPickaxeMode {
+public class TreePlanter implements BlockTool {
     private TreeGenerator gen;
     
     public TreePlanter(TreeGenerator gen) {
@@ -40,7 +40,7 @@ public class TreePlanter implements SuperPickaxeMode {
         
         LocalWorld world = clicked.getWorld();
         EditSession editSession =
-            new EditSession(server, world, session.getBlockChangeLimit());
+                new EditSession(world, session.getBlockChangeLimit());
     
         try {
             if (!gen.generate(editSession, clicked.add(0, 1, 0))) {

src/com/sk89q/worldedit/tools/brushes/BrushShape.java

@@ -17,11 +17,12 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe.brushes;
+package com.sk89q.worldedit.tools.brushes;
 
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.patterns.Pattern;
 
 /**
  * Represents a shape.
@@ -34,8 +35,10 @@ public interface BrushShape {
      * 
      * @param build
      * @param pos
+     * @param mat
+     * @param size
      * @throws MaxChangedBlocksException 
      */
-    public void build(EditSession editSession, Vector pos)
+    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
             throws MaxChangedBlocksException;
 }

src/com/sk89q/worldedit/tools/brushes/ClipboardBrush.java

@@ -17,23 +17,24 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe.brushes;
+package com.sk89q.worldedit.tools.brushes;
 
 import com.sk89q.worldedit.CuboidClipboard;
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.patterns.Pattern;
 
-public class ClipboardBrushShape implements BrushShape {
+public class ClipboardBrush implements BrushShape {
     private CuboidClipboard clipboard;
     private boolean noAir;
     
-    public ClipboardBrushShape(CuboidClipboard clipboard, boolean noAir) {
+    public ClipboardBrush(CuboidClipboard clipboard, boolean noAir) {
         this.clipboard = clipboard;
         this.noAir = noAir;
     }
     
-    public void build(EditSession editSession, Vector pos)
+    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
             throws MaxChangedBlocksException {
         clipboard.place(editSession,
                 pos.subtract(clipboard.getSize().divide(2)), noAir);

src/com/sk89q/worldedit/tools/brushes/CylinderBrush.java

@@ -17,26 +17,22 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe.brushes;
+package com.sk89q.worldedit.tools.brushes;
 
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.Vector;
-import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.patterns.Pattern;
 
-public class CylinderBrushShape implements BrushShape {
+public class CylinderBrush implements BrushShape {
-    private BaseBlock targetBlock;
-    private int radius;
     private int height;
     
-    public CylinderBrushShape(BaseBlock targetBlock, int radius, int height) {
+    public CylinderBrush(int height) {
-        this.targetBlock = targetBlock;
-        this.radius = radius;
         this.height = height;
     }
     
-    public void build(EditSession editSession, Vector pos)
+    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
             throws MaxChangedBlocksException {
-        editSession.makeCylinder(pos, targetBlock, radius, height);
+        editSession.makeCylinder(pos, mat, size, height);
     }
 }

src/com/sk89q/worldedit/tools/brushes/HollowCylinderBrush.java

@@ -17,24 +17,22 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe.brushes;
+package com.sk89q.worldedit.tools.brushes;
 
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.Vector;
-import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.patterns.Pattern;
 
-public class SphereBrushShape implements BrushShape {
+public class HollowCylinderBrush implements BrushShape {
-    private BaseBlock targetBlock;
+    private int height;
-    private int radius;
     
-    public SphereBrushShape(BaseBlock targetBlock, int radius) {
+    public HollowCylinderBrush(int height) {
-        this.targetBlock = targetBlock;
+        this.height = height;
-        this.radius = radius;
     }
     
-    public void build(EditSession editSession, Vector pos)
+    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
             throws MaxChangedBlocksException {
-        editSession.makeSphere(pos, targetBlock, radius, true);
+        editSession.makeHollowCylinder(pos, mat, size, height);
     }
 }

src/com/sk89q/worldedit/tools/brushes/HollowSphereBrush.java

@@ -17,24 +17,19 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
-package com.sk89q.worldedit.superpickaxe.brushes;
+package com.sk89q.worldedit.tools.brushes;
 
 import com.sk89q.worldedit.EditSession;
 import com.sk89q.worldedit.MaxChangedBlocksException;
 import com.sk89q.worldedit.Vector;
-import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.patterns.Pattern;
 
-public class HollowSphereBrushShape implements BrushShape {
+public class HollowSphereBrush implements BrushShape {
-    private BaseBlock targetBlock;
+    public HollowSphereBrush() {
-    private int radius;
-    
-    public HollowSphereBrushShape(BaseBlock targetBlock, int radius) {
-        this.targetBlock = targetBlock;
-        this.radius = radius;
     }
     
-    public void build(EditSession editSession, Vector pos)
+    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
             throws MaxChangedBlocksException {
-        editSession.makeSphere(pos, targetBlock, radius, false);
+        editSession.makeSphere(pos, mat, size, false);
     }
 }

src/com/sk89q/worldedit/tools/brushes/SphereBrush.java

@@ -0,0 +1,35 @@
+// $Id$
+/*
+ * 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.tools.brushes;
+
+import com.sk89q.worldedit.EditSession;
+import com.sk89q.worldedit.MaxChangedBlocksException;
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.patterns.Pattern;
+
+public class SphereBrush implements BrushShape {
+    public SphereBrush() {
+    }
+    
+    public void build(EditSession editSession, Vector pos, Pattern mat, int size)
+            throws MaxChangedBlocksException {
+        editSession.makeSphere(pos, mat, size, true);
+    }
+}