Added a method to teleport entities across worlds.

worldedit-core/src/main/java/com/sk89q/worldedit/entity/Entity.java

@@ -54,6 +54,14 @@ public interface Entity extends Faceted {
      */
     Location getLocation();
 
+    /**
+     * Sets the location of this entity.
+     *
+     * @param location the new location of the entity
+     * @return if the teleport worked
+     */
+    boolean setLocation(Location location);
+
     /**
      * Get the extent that this entity is on.
      *

worldedit-core/src/main/java/com/sk89q/worldedit/extension/platform/PlayerProxy.java

@@ -97,6 +97,11 @@ class PlayerProxy extends AbstractPlayerActor {
         return basePlayer.getLocation();
     }
 
+    @Override
+    public boolean setLocation(Location location) {
+        return basePlayer.setLocation(location);
+    }
+
     @Override
     public void setPosition(Vector3 pos, float pitch, float yaw) {
         basePlayer.setPosition(pos, pitch, yaw);

worldedit-core/src/main/java/com/sk89q/worldedit/extent/ChangeSetExtent.java

@@ -110,6 +110,12 @@ public class ChangeSetExtent extends AbstractDelegateExtent {
             return entity.getLocation();
         }
 
+        @Override
+        public boolean setLocation(Location location) {
+            // TODO Add a changeset for this.
+            return entity.setLocation(location);
+        }
+
         @Override
         public Extent getExtent() {
             return entity.getExtent();

worldedit-core/src/main/java/com/sk89q/worldedit/extent/clipboard/StoredEntity.java

@@ -68,6 +68,11 @@ abstract class StoredEntity implements Entity {
         return location;
     }
 
+    @Override
+    public boolean setLocation(Location location) {
+        throw new IllegalArgumentException("StoredEntities are immutable");
+    }
+
     @Override
     public Extent getExtent() {
         return location.getExtent();

worldedit-core/src/main/java/com/sk89q/worldedit/util/gson/BlockVectorAdapter.java

@@ -0,0 +1,46 @@
+/*
+ * 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 Lesser 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 Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.worldedit.util.gson;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonDeserializationContext;
+import com.google.gson.JsonDeserializer;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonParseException;
+import com.sk89q.worldedit.math.BlockVector3;
+
+import java.lang.reflect.Type;
+
+public class BlockVectorAdapter implements JsonDeserializer<BlockVector3> {
+
+    @Override
+    public BlockVector3 deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
+        JsonArray jsonArray = json.getAsJsonArray();
+        if (jsonArray.size() != 3) {
+            throw new JsonParseException("Expected array of 3 length for BlockVector3");
+        }
+
+        double x = jsonArray.get(0).getAsInt();
+        double y = jsonArray.get(1).getAsInt();
+        double z = jsonArray.get(2).getAsInt();
+
+        return BlockVector3.at(x, y, z);
+    }
+}

worldedit-core/src/main/java/com/sk89q/worldedit/util/gson/GsonUtil.java

@@ -21,6 +21,7 @@ package com.sk89q.worldedit.util.gson;
 
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
+import com.sk89q.worldedit.math.BlockVector3;
 import com.sk89q.worldedit.math.Vector3;
 
 /**
@@ -39,6 +40,7 @@ public final class GsonUtil {
     public static GsonBuilder createBuilder() {
         GsonBuilder gsonBuilder = new GsonBuilder();
         gsonBuilder.registerTypeAdapter(Vector3.class, new VectorAdapter());
+        gsonBuilder.registerTypeAdapter(BlockVector3.class, new BlockVectorAdapter());
         return gsonBuilder;
     }
 

worldedit-core/src/main/java/com/sk89q/worldedit/util/gson/VectorAdapter.java

@@ -29,7 +29,7 @@ import com.sk89q.worldedit.math.Vector3;
 import java.lang.reflect.Type;
 
 /**
- * Deserializes {@code Vector}s for GSON.
+ * Deserializes {@code Vector3}s for GSON.
  */
 public class VectorAdapter implements JsonDeserializer<Vector3> {
 
@@ -37,7 +37,7 @@ public class VectorAdapter implements JsonDeserializer<Vector3> {
     public Vector3 deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException {
         JsonArray jsonArray = json.getAsJsonArray();
         if (jsonArray.size() != 3) {
-            throw new JsonParseException("Expected array of 3 length for Vector");
+            throw new JsonParseException("Expected array of 3 length for Vector3");
         }
 
         double x = jsonArray.get(0).getAsDouble();