-renamed function to get object from instance id

-added function to get list of tiles used

2 files changed, 17 insertions, 0 deletions

diff --git a/scene/2d/tile_map.cpp b/scene/2d/tile_map.cpp
index 18f8b5bbbb..bc2dfe1013 100644
--- a/scene/2d/tile_map.cpp
+++ b/scene/2d/tile_map.cpp
@@ -1024,6 +1024,19 @@ bool TileMap::is_y_sort_mode_enabled() const {
 	return y_sort_mode;
 }
 
+Array TileMap::get_used_cells() const {
+
+	Array a;
+	a.resize(tile_map.size());
+	int i=0;
+	for (Map<PosKey,Cell>::Element *E=tile_map.front();E;E=E->next()) {
+
+		Vector2 p (E->key().x,E->key().y);
+		a[i++]=p;
+	}
+
+	return a;
+}
 
 void TileMap::_bind_methods() {
 
@@ -1080,6 +1093,8 @@ void TileMap::_bind_methods() {
 
 	ObjectTypeDB::bind_method(_MD("clear"),&TileMap::clear);
 
+	ObjectTypeDB::bind_method(_MD("get_used_cells"),&TileMap::get_used_cells);
+
 	ObjectTypeDB::bind_method(_MD("map_to_world","mappos","ignore_half_ofs"),&TileMap::map_to_world,DEFVAL(false));
 	ObjectTypeDB::bind_method(_MD("world_to_map","worldpos"),&TileMap::world_to_map);
 
diff --git a/scene/2d/tile_map.h b/scene/2d/tile_map.h
index e02c4ee5bb..976ddfc5cf 100644
--- a/scene/2d/tile_map.h
+++ b/scene/2d/tile_map.h
@@ -171,6 +171,8 @@ private:
 
 	_FORCE_INLINE_ Vector2 _map_to_world(int p_x,int p_y,bool p_ignore_ofs=false) const;
 
+	Array get_used_cells() const;
+
 protected: