Spawner for scenes

modules/world/spawner.h

@@ -0,0 +1,29 @@
+#include <scene/main/node.h>
+#include <scene/resources/packed_scene.h>
+class Spawner: public Object {
+	GDCLASS(Spawner, Object);
+protected:
+	Vector3 last_org;
+	bool force_update;
+	HashMap<String, Ref<PackedScene> > scenes;
+	struct spawn_object {
+		Transform xform;
+		bool active;
+		bool relative;
+		int parent_instance;
+		int instance;
+	};
+	HashMap<String, PoolVector<struct spawn_object> > positions;
+	Mutex lock;
+	static void _bind_methods();
+public:
+	void add_scene(const StringName &name, Ref<PackedScene> scene);
+	void remove_scene(const StringName &name);
+	void place_scene(const StringName &name, const Transform &place);
+	void place_scene_relative(const StringName &name, Node *parent, const Transform &place);
+	void update_view(Node *node, float distance);
+	static void create_singleton();
+	static void destroy_singleton();
+	static Spawner *get_singleton();
+};
+