Added sphere brush tool.

src/HMConfiguration.java

@@ -81,6 +81,7 @@ public class HMConfiguration extends LocalConfiguration {
         useInventory = properties.getBoolean("use-inventory", useInventory);
         useInventoryOverride = properties.getBoolean("use-inventory-override",
                 useInventoryOverride);
+        maxBrushRadius = properties.getInt("max-brush-radius", maxBrushRadius);
 
         // Get disallowed blocks
         disallowedBlocks = new HashSet<Integer>();

src/com/sk89q/worldedit/EditSession.java

@@ -53,7 +53,7 @@ public class EditSession {
     /**
      * World.
      */
-    private LocalWorld world;
+    protected LocalWorld world;
 
     /**
      * Stores the original blocks before modification.
@@ -141,7 +141,7 @@ public class EditSession {
      * @param blockType
      * @return Whether the block changed
      */
-    private boolean rawSetBlock(Vector pt, BaseBlock block) {
+    protected boolean rawSetBlock(Vector pt, BaseBlock block) {
         int y = pt.getBlockY();
         
         if (y < 0 || y > 127) {

src/com/sk89q/worldedit/LocalConfiguration.java

@@ -43,6 +43,7 @@ public abstract class LocalConfiguration {
     public SnapshotRepository snapshotRepo = null;
     public int maxRadius = -1;
     public int maxSuperPickaxeSize = 5;
+    public int maxBrushRadius = 6;
     public boolean logComands = false;
     public boolean registerHelp = true;
     public int wandItem = 271;

src/com/sk89q/worldedit/LocalSession.java

@@ -42,8 +42,9 @@ public class LocalSession {
     private CuboidClipboard clipboard;
     private boolean toolControl = true;
     private boolean superPickaxe = false;
-    private SuperPickaxeMode superPickaxeMode = new SinglePickaxe();
+    private SuperPickaxeMode leftClickMode = new SinglePickaxe();
-    private SuperPickaxeMode tool;
+    private SuperPickaxeMode armSwingMode;
+    private SuperPickaxeMode rightClickMode;
     private int maxBlocksChanged = -1;
     private boolean useInventory;
     private Snapshot snapshot;
@@ -359,29 +360,43 @@ public class LocalSession {
     /**
      * @return the superPickaxeMode
      */
-    public SuperPickaxeMode getSuperPickaxeMode() {
+    public SuperPickaxeMode getLeftClickMode() {
-        return superPickaxeMode;
+        return leftClickMode;
     }
 
     /**
      * @param superPickaxeMode the superPickaxeMode to set
      */
-    public void setSuperPickaxeMode(SuperPickaxeMode superPickaxeMode) {
+    public void setLeftClickMode(SuperPickaxeMode leftClickMode) {
-        this.superPickaxeMode = superPickaxeMode;
+        this.leftClickMode = leftClickMode;
     }
 
     /**
      * @return the tool
      */
-    public SuperPickaxeMode getTool() {
+    public SuperPickaxeMode getRightClickMode() {
-        return tool;
+        return rightClickMode;
     }
 
     /**
      * @param tool the tool to set
      */
-    public void setTool(SuperPickaxeMode tool) {
+    public void setRightClickMode(SuperPickaxeMode rightClickMode) {
-        this.tool = tool;
+        this.rightClickMode = rightClickMode;
+    }
+
+    /**
+     * @return the arm swing mode
+     */
+    public SuperPickaxeMode getArmSwingMode() {
+        return armSwingMode;
+    }
+
+    /**
+     * @param rightClickMode the tool to set
+     */
+    public void setArmSwingMode(SuperPickaxeMode armSwingMode) {
+        this.armSwingMode = armSwingMode;
     }
 
     /**

src/com/sk89q/worldedit/ReplacingEditSession.java

@@ -0,0 +1,102 @@
+// $Id$
+/*
+ * 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 not replace existing blocks.
+ * 
+ * @author sk89q
+ */
+public class ReplacingEditSession extends EditSession {
+    /**
+     * True to prevent replacing.
+     */
+    private boolean noReplace = false;
+    
+    /**
+     * Construct the object.
+     * 
+     * @param server
+     * @param world
+     * @param maxBlocks
+     */
+    public ReplacingEditSession(ServerInterface server, LocalWorld world,
+            int maxBlocks) {
+        super(server, world, maxBlocks);
+    }
+
+    /**
+     * Construct the object.
+     * 
+     * @param server
+     * @param world
+     * @param maxBlocks
+     * @param blockBag
+     */
+    public ReplacingEditSession(ServerInterface server, LocalWorld world,
+            int maxBlocks, BlockBag blockBag) {
+        super(server, world, maxBlocks, blockBag);
+    }
+    
+    /**
+     * 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
+     * @return Whether the block changed
+     */
+    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 (existing != 0) {
+            return false;
+        }
+        
+        return super.rawSetBlock(pt, block);
+    }
+
+}

src/com/sk89q/worldedit/WorldEditController.java

@@ -136,6 +136,7 @@ public class WorldEditController {
         commands.put("/tree", "Switch to the tree tool");
         commands.put("/bigtree", "Switch to the big tree tool");
         commands.put("/repl", "[ID] - Switch to the block replacer tool");
+        commands.put("/brush", "[ID] <Radius> <NoReplace?> - Switch to the sphere brush tool");
         commands.put("//expand", "[Num] <Dir> - Expands the selection");
         commands.put("//contract", "[Num] <Dir> - Contracts the selection");
         commands.put("//shift", "[Num] <Dir> - Shift the selection");
@@ -648,7 +649,7 @@ public class WorldEditController {
             }
             
             checkArgs(split, 0, 0, split[0]);
-            session.setSuperPickaxeMode(new SinglePickaxe());
+            session.setLeftClickMode(new SinglePickaxe());
             session.enableSuperPickAxe();
             player.print("Mode changed. Left click with a pickaxe. // to disable.");
             return true;
@@ -672,7 +673,7 @@ public class WorldEditController {
                 return true;
             }
             
-            session.setSuperPickaxeMode(
+            session.setLeftClickMode(
                     recur ? new RecursivePickaxe(range) : new AreaPickaxe(range));
             session.enableSuperPickAxe();
             player.print("Mode changed. Left click with a pickaxe. // to disable.");
@@ -681,21 +682,21 @@ public class WorldEditController {
         // Tree tool
         } else if (split[0].equalsIgnoreCase("/tree")) {
             checkArgs(split, 0, 0, split[0]);
-            session.setTool(new TreePlanter());
+            session.setRightClickMode(new TreePlanter());
             player.print("Tree tool equipped. Right click with a pickaxe.");
             return true;
 
         // Big tree tool
         } else if (split[0].equalsIgnoreCase("/bigtree")) {
             checkArgs(split, 0, 0, split[0]);
-            session.setTool(new BigTreePlanter());
+            session.setRightClickMode(new BigTreePlanter());
             player.print("Big tree tool equipped. Right click with a pickaxe.");
             return true;
 
         // Info tool
         } else if (split[0].equalsIgnoreCase("/info")) {
             checkArgs(split, 0, 0, split[0]);
-            session.setTool(new QueryTool());
+            session.setRightClickMode(new QueryTool());
             player.print("Info tool equipped. Right click with a pickaxe.");
             return true;
 
@@ -703,14 +704,36 @@ public class WorldEditController {
         } else if (split[0].equalsIgnoreCase("/repl")) {
             checkArgs(split, 1, 1, split[0]);
             BaseBlock targetBlock = getBlock(player, split[1]);
-            session.setTool(new BlockReplacer(targetBlock));
+            session.setRightClickMode(new BlockReplacer(targetBlock));
             player.print("Block replacer tool equipped. Right click with a pickaxe.");
             return true;
 
+        // Sphere brush tool
+        } else if (split[0].equalsIgnoreCase("/brush")) {
+            checkArgs(split, 1, 3, split[0]);
+            int radius = split.length > 2 ? Integer.parseInt(split[2]) : 2;
+            boolean nonReplacing = split.length > 3
+                    ? (split[3].equalsIgnoreCase("true")
+                            || split[3].equalsIgnoreCase("yes")) : false;
+            if (radius > config.maxBrushRadius) {
+                player.printError("Maximum allowed brush radius: "
+                        + config.maxBrushRadius);
+                return true;
+            }
+            BaseBlock targetBlock = getBlock(player, split[1]);
+            session.setArmSwingMode(new SphereBrush(targetBlock, radius, nonReplacing));
+            if (nonReplacing) {
+                player.print("Non-replacing sphere brush tool equipped.");
+            } else {
+                player.print("Sphere brush tool equipped. Right click with a pickaxe.");
+            }
+            return true;
+
         // No tool
         } else if (split[0].equalsIgnoreCase("/none")) {
             checkArgs(split, 0, 0, split[0]);
-            session.setTool(null);
+            session.setArmSwingMode(null);
+            session.setRightClickMode(null);
             player.print("Now no longer equipping a tool.");
             return true;
 
@@ -1778,8 +1801,14 @@ public class WorldEditController {
      * @param player
      */
     public void handleArmSwing(LocalPlayer player) {
-        if (!canUseCommand(player, "/"))
+        LocalSession session = getSession(player);
-            return;
+        
+        if (player.isHoldingPickAxe()) {
+            if (session.getArmSwingMode() != null) {
+                session.getArmSwingMode().act(server, config,
+                        player, session, null);
+            }
+        }
     }
 
     /**
@@ -1792,10 +1821,6 @@ public class WorldEditController {
     public boolean handleBlockRightClick(LocalPlayer player, WorldVector clicked) {
         int itemInHand = player.getItemInHand();
         
-        // This prevents needless sessions from being created
-        if (!hasSession(player) && !(itemInHand == config.wandItem &&
-                canUseCommand(player, "/pos2"))) { return false; }
-
         LocalSession session = getSession(player);
 
         if (itemInHand == config.wandItem && session.isToolControlEnabled()
@@ -1809,8 +1834,8 @@ public class WorldEditController {
             }
 
             return true;
-        } else if (player.isHoldingPickAxe() && session.getTool() != null) {
+        } else if (player.isHoldingPickAxe() && session.getRightClickMode() != null) {
-            return session.getTool().act(server, config, player, session, clicked);
+            return session.getRightClickMode().act(server, config, player, session, clicked);
         }
 
         return false;
@@ -1856,8 +1881,8 @@ public class WorldEditController {
                 return true;
             }
         } else if (player.isHoldingPickAxe() && session.hasSuperPickAxe()) {
-            if (session.getSuperPickaxeMode() != null) {
+            if (session.getLeftClickMode() != null) {
-                return session.getSuperPickaxeMode().act(server, config,
+                return session.getLeftClickMode().act(server, config,
                         player, session, clicked);
             }
         }

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

@@ -0,0 +1,70 @@
+// $Id$
+/*
+ * 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.blocks.BaseBlock;
+
+/**
+ * Builds a sphere at the place being looked at.
+ * 
+ * @author sk89q
+ */
+public class SphereBrush implements SuperPickaxeMode {
+    private BaseBlock targetBlock;
+    private int radius;
+    private boolean nonReplacing;
+    
+    public SphereBrush(BaseBlock targetBlock, int radius, boolean nonReplacing) {
+        this.targetBlock = targetBlock;
+        this.radius = radius;
+        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;
+        }
+
+        ReplacingEditSession editSession = new ReplacingEditSession(server, target.getWorld(),
+                session.getBlockChangeLimit());
+        
+        if (nonReplacing) {
+            editSession.disableReplacing();
+        }
+        
+        try {
+            editSession.makeSphere(target, targetBlock, radius, true);
+        } catch (MaxChangedBlocksException e) {
+            player.printError("Max blocks change limit reached.");
+        } finally {
+            editSession.enableReplacing();
+            session.remember(editSession);
+        }
+        
+        return true;
+    }
+
+}