Changed WorldEdit to not set block data for blocks that don't require it.

src/EditSession.java

@@ -70,6 +70,10 @@ public class EditSession {
      * Random number generator.
      */
     private static Random prng = new Random();
+    /**
+     * Total number of blocks set over time.
+     */
+    private int blockIndex = 0;
 
     /**
      * Construct the object with a maximum number of blocks.
@@ -98,10 +102,14 @@ public class EditSession {
         if (ServerInterface.getBlockType(pt) == 54) {
             ServerInterface.clearChest(pt);
         }
+
+        int id = block.getID();
         
-        boolean result = ServerInterface.setBlockType(pt, block.getID());
-        if (block.getID() != 0) {
-            ServerInterface.setBlockData(pt, block.getData());
+        boolean result = ServerInterface.setBlockType(pt, id);
+        if (id != 0) {
+            if (BlockType.usesData(id)) {
+                ServerInterface.setBlockData(pt, block.getData());
+            }
 
             // Signs
             if (block instanceof SignBlock) {

src/com/sk89q/worldedit/blocks/BlockType.java

@@ -268,4 +268,37 @@ public enum BlockType {
                 || id == 83 // Reed
                 || id == 90; // Portal
     }
+
+    /**
+     * Returns true if the block uses its data value.
+     * 
+     * @param id
+     * @return
+     */
+    public static boolean usesData(int id) {
+        return id == 6 // Saplings
+                || id == 8 // Water
+                || id == 9 // Water
+                || id == 10 // Lava
+                || id == 11 // Lava
+                || id == 50 // Torch
+                || id == 53 // Wooden stairs
+                || id == 55 // Redstone wire
+                || id == 59 // Crops
+                || id == 60 // Soil
+                || id == 63 // Sign post
+                || id == 64 // Wooden door
+                || id == 65 // Ladder
+                || id == 66 // Minecart track
+                || id == 67 // Cobblestone stairs
+                || id == 68 // Wall sign
+                || id == 69 // Lever
+                || id == 70 // Stone pressure plate
+                || id == 71 // Iron door
+                || id == 72 // Wooden pressure plate
+                || id == 75 // Redstone torch (off)
+                || id == 76 // Redstone torch (on)
+                || id == 77 // Stone button
+                || id == 81; // Cactus
+    }
 }