Added sphere brush tool.

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;
+    }
+
+}