Added /listchunks and /delchunks.

src/com/sk89q/worldedit/data/NestedFileChunkStore.java

@@ -19,9 +19,9 @@
 
 package com.sk89q.worldedit.data;
 
-import com.sk89q.worldedit.Vector2D;
+import com.sk89q.worldedit.*;
 import java.io.*;
-import java.util.*;
+import java.util.Map;
 import org.jnbt.*;
 
 /**
@@ -32,6 +32,37 @@ import org.jnbt.*;
  * @author sk89q
  */
 public abstract class NestedFileChunkStore extends ChunkStore {
+    /**
+     * Get the filename of a chunk.
+     * 
+     * @param pos
+     * @param separator
+     * @return
+     */
+    public static String getFilename(Vector2D pos, String separator) {
+        int x = pos.getBlockX();
+        int z = pos.getBlockZ();
+        
+        String folder1 = Integer.toString(divisorMod(x, 64), 36);
+        String folder2 = Integer.toString(divisorMod(z, 64), 36);
+        String filename = "c." + Integer.toString(x, 36)
+                + "." + Integer.toString(z, 36) + ".dat";
+
+        return folder1 + separator + folder2 + separator + filename;
+    }
+
+    /**
+     * Get the filename of a chunk, using the system's default path
+     * separator.
+     * 
+     * @param pos
+     * @param separator
+     * @return
+     */
+    public static String getFilename(Vector2D pos) {
+        return getFilename(pos, File.separator);
+    }
+
     /**
      * Get the tag for a chunk.
      *

src/com/sk89q/worldedit/regions/CuboidRegion.java

@@ -20,7 +20,11 @@
 package com.sk89q.worldedit.regions;
 
 import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.Vector2D;
+import com.sk89q.worldedit.data.ChunkStore;
 import java.util.Iterator;
+import java.util.Set;
+import java.util.HashSet;
 
 /**
  *
@@ -261,6 +265,29 @@ public class CuboidRegion implements Region {
         this.pos2 = pos2;
     }
 
+    /**
+     * Get a list of chunks that this region is within.
+     * 
+     * @return
+     */
+    public Set<Vector2D> getChunks() {
+        Set<Vector2D> chunks = new HashSet<Vector2D>();
+
+        Vector min = getMinimumPoint();
+        Vector max = getMaximumPoint();
+
+        for (int x = min.getBlockX(); x <= max.getBlockX(); x++) {
+            for (int y = min.getBlockY(); y <= max.getBlockY(); y++) {
+                for (int z = min.getBlockZ(); z <= max.getBlockZ(); z++) {
+                    Vector pt = new Vector(x, y, z);
+                    chunks.add(ChunkStore.toChunk(pt));
+                }
+            }
+        }
+
+        return chunks;
+    }
+
     /**
      * Get the iterator.
      * 

src/com/sk89q/worldedit/regions/Region.java

@@ -20,6 +20,8 @@
 package com.sk89q.worldedit.regions;
 
 import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.Vector2D;
+import java.util.Set;
 
 /**
  *
@@ -74,4 +76,10 @@ public interface Region extends Iterable<Vector> {
      * @param change
      */
     public void contract(Vector change);
+    /**
+     * Get a list of chunks.
+     * 
+     * @return
+     */
+    public Set<Vector2D> getChunks();
 }