Added non-cuboid support for //walls and //outline.

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

@@ -47,6 +47,7 @@ import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionOperationException;
 import com.sk89q.worldedit.shape.ArbitraryShape;
+import com.sk89q.worldedit.shape.RegionShape;
 import com.sk89q.worldedit.shape.WorldEditExpressionEnvironment;
 import com.sk89q.worldedit.util.TreeGenerator;
 
@@ -1527,6 +1528,19 @@ public class EditSession {
         return affected;
     }
 
+    /**
+     * Make faces of the region
+     *
+     * @param region
+     * @param pattern
+     * @return number of blocks affected
+     * @throws MaxChangedBlocksException
+     */
+    public int makeFaces(final Region region, Pattern pattern) throws MaxChangedBlocksException {
+        return new RegionShape(region).generate(this, pattern, true);
+    }
+
+
     /**
      * Make walls of the region (as if it was a cuboid if it's not).
      *
@@ -1627,6 +1641,18 @@ public class EditSession {
         return affected;
     }
 
+    /**
+     * Make walls of the region
+     *
+     * @param region
+     * @param pattern
+     * @return number of blocks affected
+     * @throws MaxChangedBlocksException
+     */
+    public int makeWalls(final Region region, Pattern pattern) throws MaxChangedBlocksException {
+        return new RegionShape(region).generate(this, pattern, true, true);
+    }
+
     /**
      * Overlays a layer of blocks over a cuboid area.
      *

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

@@ -44,6 +44,7 @@ import com.sk89q.worldedit.filtering.HeightMapFilter;
 import com.sk89q.worldedit.masks.Mask;
 import com.sk89q.worldedit.patterns.Pattern;
 import com.sk89q.worldedit.patterns.SingleBlockPattern;
+import com.sk89q.worldedit.regions.CuboidRegion;
 import com.sk89q.worldedit.regions.Region;
 import com.sk89q.worldedit.regions.RegionOperationException;
 
@@ -191,12 +192,15 @@ public class RegionCommands {
     public void walls(CommandContext args, LocalSession session, LocalPlayer player,
             EditSession editSession) throws WorldEditException {
 
-        Pattern pattern = we.getBlockPattern(player, args.getString(0));
+        final Pattern pattern = we.getBlockPattern(player, args.getString(0));
-        int affected;
+        final int affected;
-        if (pattern instanceof SingleBlockPattern) {
+        final Region region = session.getSelection(player.getWorld());
-            affected = editSession.makeCuboidWalls(session.getSelection(player.getWorld()), ((SingleBlockPattern) pattern).getBlock());
+        if (!(region instanceof CuboidRegion)) {
+            affected = editSession.makeWalls(region, pattern);
+        } else if (pattern instanceof SingleBlockPattern) {
+            affected = editSession.makeCuboidWalls(region, ((SingleBlockPattern) pattern).getBlock());
         } else {
-            affected = editSession.makeCuboidWalls(session.getSelection(player.getWorld()), pattern);
+            affected = editSession.makeCuboidWalls(region, pattern);
         }
 
         player.print(affected + " block(s) have been changed.");
@@ -214,12 +218,15 @@ public class RegionCommands {
     public void faces(CommandContext args, LocalSession session, LocalPlayer player,
             EditSession editSession) throws WorldEditException {
 
-        Pattern pattern = we.getBlockPattern(player, args.getString(0));
+        final Pattern pattern = we.getBlockPattern(player, args.getString(0));
-        int affected;
+        final int affected;
-        if (pattern instanceof SingleBlockPattern) {
+        final Region region = session.getSelection(player.getWorld());
-            affected = editSession.makeCuboidFaces(session.getSelection(player.getWorld()), ((SingleBlockPattern) pattern).getBlock());
+        if (!(region instanceof CuboidRegion)) {
+            affected = editSession.makeFaces(region, pattern);
+        } else if (pattern instanceof SingleBlockPattern) {
+            affected = editSession.makeCuboidFaces(region, ((SingleBlockPattern) pattern).getBlock());
         } else {
-            affected = editSession.makeCuboidFaces(session.getSelection(player.getWorld()), pattern);
+            affected = editSession.makeCuboidFaces(region, pattern);
         }
 
         player.print(affected + " block(s) have been changed.");

src/main/java/com/sk89q/worldedit/shape/ArbitraryShape.java

@@ -34,7 +34,7 @@ import com.sk89q.worldedit.regions.Region;
  * @author TomyLobo
  */
 public abstract class ArbitraryShape {
-    private final Region extent;
+    protected final Region extent;
     private int cacheOffsetX;
     private int cacheOffsetY;
     private int cacheOffsetZ;
@@ -148,6 +148,20 @@ public abstract class ArbitraryShape {
      * @throws MaxChangedBlocksException
      */
     public int generate(EditSession editSession, Pattern pattern, boolean hollow) throws MaxChangedBlocksException {
+        return generate(editSession, pattern, hollow, false);
+    }
+
+    /**
+     * Generates the shape.
+     *
+     * @param editSession The EditSession to use.
+     * @param pattern The pattern to generate default materials from.
+     * @param hollow Specifies whether to generate a hollow shape.
+     * @param flat If hollow mode is enabled, disregard blocks above/below
+     * @return number of affected blocks.
+     * @throws MaxChangedBlocksException
+     */
+    public int generate(EditSession editSession, Pattern pattern, boolean hollow, boolean flat) throws MaxChangedBlocksException {
         int affected = 0;
 
         for (BlockVector position : getExtent()) {
@@ -179,14 +193,6 @@ public abstract class ArbitraryShape {
                     draw = true;
                     break;
                 }
-                if (!isInsideCached(x, y + 1, z, pattern)) {
-                    draw = true;
-                    break;
-                }
-                if (!isInsideCached(x, y - 1, z, pattern)) {
-                    draw = true;
-                    break;
-                }
                 if (!isInsideCached(x, y, z + 1, pattern)) {
                     draw = true;
                     break;
@@ -195,6 +201,19 @@ public abstract class ArbitraryShape {
                     draw = true;
                     break;
                 }
+
+                if (flat) {
+                    break;
+                }
+
+                if (!isInsideCached(x, y + 1, z, pattern)) {
+                    draw = true;
+                    break;
+                }
+                if (!isInsideCached(x, y - 1, z, pattern)) {
+                    draw = true;
+                    break;
+                }
             } while (false);
 
             if (!draw) {

src/main/java/com/sk89q/worldedit/shape/RegionShape.java

@@ -0,0 +1,27 @@
+package com.sk89q.worldedit.shape;
+
+import com.sk89q.worldedit.Vector;
+import com.sk89q.worldedit.blocks.BaseBlock;
+import com.sk89q.worldedit.regions.Region;
+import com.sk89q.worldedit.shape.ArbitraryShape;
+
+/**
+ * Generates solid and hollow shapes according to materials returned by the
+ * {@link #getMaterial} method.
+ *
+ * @author TomyLobo
+ */
+public class RegionShape extends ArbitraryShape {
+    public RegionShape(Region extent) {
+        super(extent);
+    }
+
+    @Override
+    protected BaseBlock getMaterial(int x, int y, int z, BaseBlock defaultMaterial) {
+        if (!this.extent.contains(new Vector(x, y, z))) {
+            return null;
+        }
+
+        return defaultMaterial;
+    }
+}