Created pattern, mask, and block registries.

Deprecated getBlock, getBlockPattern, and so-on in WorldEdit.

src/main/java/com/sk89q/worldedit/regions/NullRegion.java

@@ -0,0 +1,139 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * 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.regions;
+
+import com.sk89q.worldedit.*;
+import com.sk89q.worldedit.Vector;
+
+import java.util.*;
+
+/**
+ * A region that contains no points.
+ */
+public class NullRegion implements Region {
+
+    private LocalWorld world;
+
+    @Override
+    public Vector getMinimumPoint() {
+        return new Vector(0, 0, 0);
+    }
+
+    @Override
+    public Vector getMaximumPoint() {
+        return new Vector(0, 0, 0);
+    }
+
+    @Override
+    public Vector getCenter() {
+        return new Vector(0, 0, 0);
+    }
+
+    @Override
+    public int getArea() {
+        return 0;
+    }
+
+    @Override
+    public int getWidth() {
+        return 0;
+    }
+
+    @Override
+    public int getHeight() {
+        return 0;
+    }
+
+    @Override
+    public int getLength() {
+        return 0;
+    }
+
+    @Override
+    public void expand(Vector... changes) throws RegionOperationException {
+        throw new RegionOperationException("Cannot change NullRegion");
+    }
+
+    @Override
+    public void contract(Vector... changes) throws RegionOperationException {
+        throw new RegionOperationException("Cannot change NullRegion");
+    }
+
+    @Override
+    public void shift(Vector change) throws RegionOperationException {
+        throw new RegionOperationException("Cannot change NullRegion");
+    }
+
+    @Override
+    public boolean contains(Vector pt) {
+        return false;
+    }
+
+    @Override
+    public Set<Vector2D> getChunks() {
+        return Collections.emptySet();
+    }
+
+    @Override
+    public Set<Vector> getChunkCubes() {
+        return Collections.emptySet();
+    }
+
+    @Override
+    public LocalWorld getWorld() {
+        return world;
+    }
+
+    @Override
+    public void setWorld(LocalWorld world) {
+        this.world = world;
+    }
+
+    @Override
+    public NullRegion clone() {
+        return new NullRegion();
+    }
+
+    @Override
+    public List<BlockVector2D> polygonize(int maxPoints) {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public Iterator<BlockVector> iterator() {
+        return new Iterator<BlockVector>() {
+            @Override
+            public boolean hasNext() {
+                return false;
+            }
+
+            @Override
+            public BlockVector next() {
+                throw new NoSuchElementException();
+            }
+
+            @Override
+            public void remove() {
+                throw new UnsupportedOperationException("Cannot remove");
+            }
+        };
+    }
+
+}