Added //fast mode, which allows the server to skip the dirtying of chunks. This means that you have to rejoin to see changes though, but most operations are doubled in speed.

plugin.yml

@@ -0,0 +1,361 @@
+name: WorldEdit
+main: com.sk89q.worldedit.bukkit.WorldEditPlugin
+version: ${project.version}
+commands:
+    chunkinfo:
+        description: Get information about the chunk that you are inside
+        usage: /<command> 
+        permissions: 'worldedit.chunkinfo'
+    listchunks:
+        description: List chunks that your selection includes
+        usage: /<command> 
+        permissions: 'worldedit.listchunks'
+    delchunks:
+        description: Delete chunks that your selection includes
+        usage: /<command> 
+        permissions: 'worldedit.delchunks'
+    clearclipboard:
+        description: Clear your clipboard
+        usage: /<command> 
+        permissions: 'worldedit.clipboard.clear'
+    /load:
+        description: Load a schematic into your clipboard
+        usage: /<command> <filename>
+        permissions: 'worldedit.clipboard.load'
+    /save:
+        description: Save a schematic into your clipboard
+        usage: /<command> <filename>
+        permissions: 'worldedit.clipboard.save'
+    /copy:
+        description: Copy the selection to the clipboard
+        usage: /<command> 
+        permissions: 'worldedit.clipboard.copy'
+    /flip:
+        description: Flip the contents of the clipboard
+        usage: /<command> [dir]
+        permissions: 'worldedit.clipboard.flip'
+    /rotate:
+        description: Rotate the contents of the clipboard
+        usage: /<command> <angle-in-degrees>
+        permissions: 'worldedit.clipboard.rotate'
+    /cut:
+        description: Cut the selection to the clipboard
+        usage: /<command> [leave-id]
+        permissions: 'worldedit.clipboard.cut'
+    /paste:
+        description: Paste the clipboard's contents
+        usage: /<command> [-ao] 
+        permissions: 'worldedit.clipboard.paste'
+    we:
+        description: WorldEdit commands
+        usage: /<command> 
+        aliases: ['worldedit']
+    /fast:
+        description: Toggle fast mode
+        usage: /<command> 
+        permissions: 'worldedit.fast'
+    toggleplace:
+        description: 
+        usage: /<command> 
+    searchitem:
+        description: Search for an item
+        usage: /<command> [-bi] <query>
+        aliases: ['/l', 'search']
+    /limit:
+        description: Modify block change limit
+        usage: /<command> <limit>
+        permissions: 'worldedit.limit'
+    /hcyl:
+        description: Generate a hollow cylinder
+        usage: /<command> <block> <radius> [height] 
+        permissions: 'worldedit.generation.cylinder'
+    /cyl:
+        description: Generate a cylinder
+        usage: /<command> <block> <radius> [height] 
+        permissions: 'worldedit.generation.cylinder'
+    /hsphere:
+        description: Generate a hollow sphere
+        usage: /<command> <block> <radius> [raised?] 
+        permissions: 'worldedit.generation.sphere'
+    /sphere:
+        description: Generate a filled sphere
+        usage: /<command> <block> <radius> [raised?] 
+        permissions: 'worldedit.generation.sphere'
+    forestgen:
+        description: Generate a forest
+        usage: /<command> [size] [type] [density]
+        permissions: 'worldedit.generation.forest'
+    pumpkins:
+        description: Generate pumpkin patches
+        usage: /<command> [size]
+        permissions: 'worldedit.generation.pumpkins'
+    clearhistory:
+        description: Clear your history
+        usage: /<command> 
+        permissions: 'worldedit.history.clear'
+    /redo:
+        description: Redoes the last action (from history)
+        usage: /<command> [times]
+        aliases: ['redo']
+        permissions: 'worldedit.history.redo'
+    /undo:
+        description: Undoes the last action
+        usage: /<command> [times]
+        aliases: ['undo']
+        permissions: 'worldedit.history.undo'
+    unstuck:
+        description: Escape from being stuck inside a block
+        usage: /<command> 
+        permissions: 'worldedit.navigation.unstuck'
+    ascend:
+        description: Go up a floor
+        usage: /<command> 
+        permissions: 'worldedit.navigation.ascend'
+    descend:
+        description: Go down a floor
+        usage: /<command> 
+        permissions: 'worldedit.navigation.descend'
+    thru:
+        description: Passthrough walls
+        usage: /<command> 
+        permissions: 'worldedit.navigation.thru'
+    jumpto:
+        description: Teleport to a location
+        usage: /<command> 
+        permissions: 'worldedit.navigation.jumpto'
+    ceil:
+        description: Go to the celing
+        usage: /<command> [clearance]
+        permissions: 'worldedit.navigation.ceiling'
+    up:
+        description: Go upwards some distance
+        usage: /<command> <block>
+        permissions: 'worldedit.navigation.up'
+    /overlay:
+        description: Set a block on top of blocks in the region
+        usage: /<command> <block>
+        permissions: 'worldedit.region.overlay'
+    /walls:
+        description: Build the four sides of the selection
+        usage: /<command> <block>
+        permissions: 'worldedit.region.walls'
+    /faces:
+        description: Build the walls, ceiling, and roof of a selection
+        usage: /<command> <block>
+        aliases: ['/outline']
+        permissions: 'worldedit.region.faces'
+    /smooth:
+        description: Smooth the elevation in the selection
+        usage: /<command> [iterations]
+        permissions: 'worldedit.region.smooth'
+    /regen:
+        description: Regenerates the contents of the selection
+        usage: /<command> 
+        permissions: 'worldedit.regen'
+    /replace:
+        description: Replace all blocks in the selection with another
+        usage: /<command> [from-block] <to-block>
+        permissions: 'worldedit.region.replace'
+    /stack:
+        description: Repeat the contents of the selection
+        usage: /<command> [-sa] [count] [direction]
+        permissions: 'worldedit.region.stack'
+    /set:
+        description: Set all the blocks inside the selection to a block
+        usage: /<command> <block>
+        permissions: 'worldedit.region.set'
+    /move:
+        description: Move the contents of the selection
+        usage: /<command> [-s] [count] [direction] [leave-id]
+        permissions: 'worldedit.region.move'
+    .s:
+        description: Execute last CraftScript
+        usage: /<command> [args...]
+        permissions: 'worldedit.scripting.execute'
+    cs:
+        description: Execute a CraftScript
+        usage: /<command> <filename> [args...]
+        permissions: 'worldedit.scripting.execute'
+    /chunk:
+        description: Set the selection to your current chunk
+        usage: /<command> 
+        permissions: 'worldedit.selection.chunk'
+    /contract:
+        description: Contract the selection area
+        usage: /<command> <amount> [reverse-amount] [direction]
+        permissions: 'worldedit.selection.contract'
+    /pos1:
+        description: Set position 1
+        usage: /<command> 
+        permissions: 'worldedit.selection.pos'
+    /pos2:
+        description: Set position 2
+        usage: /<command> 
+        permissions: 'worldedit.selection.pos'
+    /hpos1:
+        description: Set position 1 to targeted block
+        usage: /<command> 
+        permissions: 'worldedit.selection.hpos'
+    /hpos2:
+        description: Set position 2 to targeted block
+        usage: /<command> 
+        permissions: 'worldedit.selection.hpos'
+    /wand:
+        description: Get the wand object
+        usage: /<command> 
+        permissions: 'worldedit.wand'
+    toggleeditwand:
+        description: Toggle functionality of the edit wand
+        usage: /<command> 
+        permissions: 'worldedit.wand.toggle'
+    /outset:
+        description: Outset the selection area
+        usage: /<command> [-hv] <amount>
+        permissions: 'worldedit.selection.outset'
+    /distr:
+        description: Get the distribution of blocks in the selection
+        usage: /<command> [-c] 
+        permissions: 'worldedit.analysis.distr'
+    /count:
+        description: Counts the number of a certain type of block
+        usage: /<command> <block>
+        permissions: 'worldedit.analysis.count'
+    /size:
+        description: Get information about the selection
+        usage: /<command> 
+        permissions: 'worldedit.selection.size'
+    /shift:
+        description: Shift the selection area
+        usage: /<command> <amount> [direction]
+        permissions: 'worldedit.selection.shift'
+    /expand:
+        description: Expand the selection area
+        usage: /<command> <amount> [reverse-amount] <direction>
+        permissions: 'worldedit.selection.expand'
+    /sel:
+        description: Choose a region selector
+        usage: /<command> [type]
+        aliases: [',']
+    /inset:
+        description: Inset the selection area
+        usage: /<command> [-hv] <amount>
+        permissions: 'worldedit.selection.inset'
+    snapshot:
+        description: Snapshot commands
+        usage: /<command> 
+        aliases: ['snap']
+    restore:
+        description: Restore the selection from a snapshot
+        usage: /<command> [snapshot]
+        aliases: ['/restore']
+        permissions: 'worldedit.snapshots.restore'
+    /:
+        description: Toggle the super pickaxe pickaxe function
+        usage: /<command> 
+        aliases: [',']
+        permissions: 'worldedit.superpickaxe'
+    superpickaxe:
+        description: Select super pickaxe mode
+        usage: /<command> 
+        aliases: ['pickaxe', 'sp']
+    tool:
+        description: Select a tool to bind
+        usage: /<command> 
+    mat:
+        description: Set the brush material
+        usage: /<command> [pattern]
+        aliases: ['material', 'fill']
+        permissions: 'worldedit.brush.options.material'
+    size:
+        description: Set the brush size
+        usage: /<command> [pattern]
+        permissions: 'worldedit.brush.options.size'
+    mask:
+        description: Set the brush mask
+        usage: /<command> [mask]
+        permissions: 'worldedit.brush.options.mask'
+    none:
+        description: Turn off all superpickaxe alternate modes
+        usage: /<command> 
+    repl:
+        description: Block replacer tool
+        usage: /<command> <block>
+        permissions: 'worldedit.tool.replacer'
+    cycler:
+        description: Block data cycler tool
+        usage: /<command> 
+        permissions: 'worldedit.tool.data-cycler'
+    brush:
+        description: Brush tool
+        usage: /<command> 
+        aliases: ['br']
+    deltree:
+        description: Floating tree remover tool
+        usage: /<command> 
+        permissions: 'worldedit.tool.deltree'
+    info:
+        description: Block information tool
+        usage: /<command> 
+        permissions: 'worldedit.tool.info'
+    tree:
+        description: Tree generator tool
+        usage: /<command> [type]
+        permissions: 'worldedit.tool.tree'
+    /fillr:
+        description: Fill a hole recursively
+        usage: /<command>  <block> <radius> [depth] 
+        permissions: 'worldedit.fill.recursive'
+    fixlava:
+        description: Fix lava to be stationary
+        usage: /<command> <radius>
+        permissions: 'worldedit.fixlava'
+    fixwater:
+        description: Fix water to be stationary
+        usage: /<command> <radius>
+        permissions: 'worldedit.fixwater'
+    removeabove:
+        description: Remove blocks above your head. 
+        usage: /<command> [size] [height] 
+        permissions: 'worldedit.removeabove'
+    removebelow:
+        description: Remove blocks below your head. 
+        usage: /<command> [size] [height] 
+        permissions: 'worldedit.removebelow'
+    removenear:
+        description: Remove blocks near you.
+        usage: /<command> <block> [size] 
+        permissions: 'worldedit.removenear'
+    replacenear:
+        description: Replace nearby blocks
+        usage: /<command> <size> <from-id> <to-id> 
+        permissions: 'worldedit.replacenear'
+    snow:
+        description: Simulates snow
+        usage: /<command> [radius]
+        permissions: 'worldedit.snow'
+    thaw:
+        description: Thaws the area
+        usage: /<command> [radius]
+        permissions: 'worldedit.thaw'
+    ex:
+        description: Extinguish nearby fire
+        usage: /<command> [radius]
+        aliases: ['ext', 'extinguish']
+        permissions: 'worldedit.extinguish'
+    butcher:
+        description: Kill all or nearby mobs
+        usage: /<command> [-p] [radius]
+        permissions: 'worldedit.butcher'
+    remove:
+        description: Remove all entities of a type
+        usage: /<command> <type> <radius>
+        aliases: ['rem', 'rement']
+        permissions: 'worldedit.remove'
+    /fill:
+        description: Fill a hole
+        usage: /<command>  <block> <radius> [depth] 
+        permissions: 'worldedit.fill'
+    /drain:
+        description: Drain a pool
+        usage: /<command> <radius>
+        permissions: 'worldedit.drain'

src/main/java/com/sk89q/worldedit/EditSession.java

@@ -87,15 +87,23 @@ public class EditSession {
      * indicates no limit.
      */
     private int maxBlocks = -1;
+    
     /**
      * Indicates whether some types of blocks should be queued for best
      * reproduction.
      */
     private boolean queued = false;
+    
+    /**
+     * Use the fast mode, which may leave chunks not flagged "dirty".
+     */
+    private boolean fastMode = false;
+    
     /**
      * Block bag to use for getting blocks.
      */
     private BlockBag blockBag;
+    
     /**
      * List of missing blocks;
      */
@@ -186,11 +194,22 @@ public class EditSession {
             }
         }
         
-        boolean result = world.setBlockType(pt, id);
+        boolean result;
+
+        if (fastMode) {
+            result = world.setBlockTypeFast(pt, id);
+        } else {
+            result = world.setBlockType(pt, id);
+        }
+        
         if (id != 0) {
-            if (BlockType.usesData(id)) {
+            if (existing != type && block.getData() > 0 && BlockType.usesData(id)) {
+                if (fastMode) {
+                    world.setBlockDataFast(pt, block.getData());
+                } else {
                     world.setBlockData(pt, block.getData());
                 }
+            }
 
             // Signs
             if (block instanceof SignBlock) {
@@ -489,6 +508,24 @@ public class EditSession {
         queued = false;
     }
     
+    /**
+     * Set fast mode.
+     * 
+     * @param fastMode
+     */
+    public void setFastMode(boolean fastMode) {
+        this.fastMode = fastMode;
+    }
+    
+    /**
+     * Return fast mode status.
+     * 
+     * @return
+     */
+    public boolean hasFastMode() {
+        return fastMode;
+    }
+
     /**
      * Finish off the queue.
      */

src/main/java/com/sk89q/worldedit/LocalSession.java

@@ -73,6 +73,7 @@ public class LocalSession {
     private String lastScript;
     private boolean beenToldVersion = false;
     private boolean hasCUISupport = false;
+    private boolean fastMode = false;
     private TimeZone timezone = TimeZone.getDefault();
 
     /**
@@ -144,6 +145,7 @@ public class LocalSession {
             EditSession newEditSession =
                     new EditSession(editSession.getWorld(), -1, newBlockBag);
             newEditSession.enableQueue();
+            newEditSession.setFastMode(fastMode);
             editSession.undo(newEditSession);
             return editSession;
         } else {
@@ -164,6 +166,7 @@ public class LocalSession {
             EditSession newEditSession =
                 new EditSession(editSession.getWorld(), -1, newBlockBag);
             newEditSession.enableQueue();
+            newEditSession.setFastMode(fastMode);
             editSession.redo(newEditSession);
             historyPointer++;
             return editSession;
@@ -642,4 +645,40 @@ public class LocalSession {
     public boolean hasExpired() {
         return System.currentTimeMillis() - expirationTime > EXPIRATION_GRACE;
     }
+    
+    /**
+     * Construct a new edit session.
+     * 
+     * @param player
+     * @return
+     */
+    public EditSession createEditSession(LocalPlayer player) {
+        BlockBag blockBag = getBlockBag(player);
+        
+        // Create an edit session
+        EditSession editSession =
+                new EditSession(player.getWorld(),
+                        getBlockChangeLimit(), blockBag);
+        editSession.setFastMode(fastMode);
+        
+        return editSession;
+    }
+
+    /**
+     * Checks if the session has fast mode enabled.
+     * 
+     * @return
+     */
+    public boolean hasFastMode() {
+        return fastMode;
+    }
+
+    /**
+     * Set fast mode.
+     * 
+     * @param fastMode
+     */
+    public void setFastMode(boolean fastMode) {
+        this.fastMode = fastMode;
+    }
 }

src/main/java/com/sk89q/worldedit/LocalWorld.java

@@ -44,6 +44,17 @@ public abstract class LocalWorld {
      */
     public abstract boolean setBlockType(Vector pt, int type);
 
+    /**
+     * Set block type.
+     * 
+     * @param pt
+     * @param type
+     * @return
+     */
+    public boolean setBlockTypeFast(Vector pt, int type) {
+        return setBlockType(pt, type);
+    }
+
     /**
      * Get block type.
      * 
@@ -60,6 +71,16 @@ public abstract class LocalWorld {
      */
     public abstract void setBlockData(Vector pt, int data);
 
+    /**
+     * Set block data.
+     * 
+     * @param pt
+     * @param data
+     */
+    public void setBlockDataFast(Vector pt, int data) {
+        setBlockData(pt, data);
+    }
+
     /**
      * Get block data.
      * 

src/main/java/com/sk89q/worldedit/WorldEdit.java

@@ -1010,16 +1010,11 @@ public class WorldEdit {
             }
         
             LocalSession session = getSession(player);
-            BlockBag blockBag = session.getBlockBag(player);
+            EditSession editSession = session.createEditSession(player);
+            editSession.enableQueue();
 
             session.tellVersion(player);
 
-            // Create an edit session
-            EditSession editSession =
-                    new EditSession(player.getWorld(),
-                            session.getBlockChangeLimit(), blockBag);
-            editSession.enableQueue();
-
             long start = System.currentTimeMillis();
 
             try {

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

@@ -81,6 +81,18 @@ public class BukkitWorld extends LocalWorld {
         return world.getBlockAt(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()).setTypeId(type);
     }
 
+    /**
+     * Set block type.
+     * 
+     * @param pt
+     * @param type
+     * @return
+     */
+    @Override
+    public boolean setBlockTypeFast(Vector pt, int type) {
+        return world.getBlockAt(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()).setTypeId(type, false);
+    }
+
     /**
      * Get block type.
      * 
@@ -101,7 +113,17 @@ public class BukkitWorld extends LocalWorld {
     @Override
     public void setBlockData(Vector pt, int data) {
         world.getBlockAt(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()).setData((byte)data);
+    }
 
+    /**
+     * Set block data.
+     * 
+     * @param pt
+     * @param data
+     */
+    @Override
+    public void setBlockDataFast(Vector pt, int data) {
+        world.getBlockAt(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ()).setData((byte)data, false);
     }
 
     /**

src/main/java/com/sk89q/worldedit/commands/GeneralCommands.java

@@ -60,6 +60,27 @@ public class GeneralCommands {
         player.print("Block change limit set to " + limit + ".");
     }
 
+    @Command(
+        aliases = {"/fast"},
+        usage = "",
+        desc = "Toggle fast mode",
+        min = 0,
+        max = 0
+    )
+    @CommandPermissions({"worldedit.fast"})
+    public static void fast(CommandContext args, WorldEdit we,
+            LocalSession session, LocalPlayer player, EditSession editSession)
+            throws WorldEditException {
+        
+        session.setFastMode(!session.hasFastMode());
+        
+        if (session.hasFastMode()) {
+            player.print("Fast mode enabled. You may need to rejoin to see changes.");
+        } else {
+            player.print("Fast mode disabled.");
+        }
+    }
+
     @Command(
         aliases = {"toggleplace"},
         usage = "",

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

@@ -56,8 +56,7 @@ public class AreaPickaxe implements BlockTool {
             return true;
         }
 
-        EditSession editSession =
+        EditSession editSession = session.createEditSession(player);
-                new EditSession(world, session.getBlockChangeLimit());
         
         try {
             for (int x = ox - range; x <= ox + range; x++) {

src/main/java/com/sk89q/worldedit/tools/FloatingTreeRemover.java

@@ -51,8 +51,7 @@ public class FloatingTreeRemover implements BlockTool {
         int initialType = world.getBlockType(clicked);
         int block;
 
-        EditSession editSession =
+        EditSession editSession = session.createEditSession(player);
-            new EditSession(world, session.getBlockChangeLimit());
 
         if (initialType != BlockID.LEAVES && initialType != BlockID.LOG) {
             player.printError("That's not a floating tree.");

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

@@ -57,8 +57,7 @@ public class RecursivePickaxe implements BlockTool {
             return true;
         }
 
-        EditSession editSession =
+        EditSession editSession = session.createEditSession(player);
-                new EditSession(world, session.getBlockChangeLimit());
 
         try {
             recurse(server, editSession, world, clicked.toBlockVector(),

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

@@ -41,9 +41,7 @@ public class TreePlanter implements BlockTool {
     public boolean actPrimary(ServerInterface server, LocalConfiguration config,
             LocalPlayer player, LocalSession session, WorldVector clicked) {
         
-        LocalWorld world = clicked.getWorld();
+        EditSession editSession = session.createEditSession(player);
-        EditSession editSession =
-                new EditSession(world, session.getBlockChangeLimit());
     
         try {
             if (!gen.generate(editSession, clicked.add(0, 1, 0))) {