Added function "get_tiles_ids" to TreeSet.

doc/engine_classes.xml

@@ -15046,6 +15046,13 @@
 			<description>
 			</description>
 		</method>
+		<method name="get_tiles_ids" qualifiers="const" >
+			<return type="Array">
+			</return>			
+			<description>
+			
+			</description>
+		</method>
 	</methods>
 	<constants>
 	</constants>

scene/resources/tile_set.cpp

@@ -231,6 +231,17 @@ Array TileSet::_tile_get_shapes(int p_id) const{
 	return arr;
 }
 
+Array TileSet::_get_tiles_ids() const{
+	
+	Array arr;
+
+	for (Map<int, Data>::Element *E = tile_map.front(); E; E = E->next()) {
+		arr.push_back(E->key());		
+	}
+	
+	return arr;
+}
+
 void TileSet::get_tile_list(List<int> *p_tiles) const {
 
 	for(Map<int,Data>::Element *E=tile_map.front();E;E=E->next()) {
@@ -301,6 +312,7 @@ void TileSet::_bind_methods() {
 	ObjectTypeDB::bind_method(_MD("clear"),&TileSet::clear);
 	ObjectTypeDB::bind_method(_MD("get_last_unused_tile_id"),&TileSet::get_last_unused_tile_id);
 	ObjectTypeDB::bind_method(_MD("find_tile_by_name","name"),&TileSet::find_tile_by_name);
+	ObjectTypeDB::bind_method(_MD("get_tiles_ids", "name"), &TileSet::_get_tiles_ids);
 
 }
 

scene/resources/tile_set.h

@@ -56,6 +56,7 @@ protected:
 	void _get_property_list( List<PropertyInfo> *p_list) const;
 	void _tile_set_shapes(int p_id,const Array& p_shapes);
 	Array _tile_get_shapes(int p_id) const;
+	Array _get_tiles_ids() const;
 
 	static void _bind_methods();
 public: