#include <modules/world/roads.h>
class Traffic: public Object {
	GDCLASS(Traffic, Object);
protected:
	static void _bind_methods();
	Vector<Ref<PackedScene> > scenes;
	int state;
	List<Node *> spawner_list;
	List<Node *>::Element *spawner_e;
	float max_spawn_distance;
	float min_spawn_distance;
	Vector3 delete_distance,
		physics_distance;
	Ref<RandomNumberGenerator> rnd;
	float list_cooldown, spawn_cooldown;
	RID immediate, instance;
	Ref<SpatialMaterial> debug_mat;
	bool debug;

	void debug_traffic();
	void control_traffic();
	void vehicle_enable_physics(Spatial *obj);
	void vehicle_disable_physics(Spatial *obj);
public:
	Traffic();
	~Traffic();
	void add_traffic_vehicle(Ref<PackedScene> scene);
	void remove_traffic_vehicle(Ref<PackedScene> scene);
	void idle_runner();

	inline void set_seed(int seed)
	{
		rnd->set_seed(seed);
	}
	inline int get_state()
	{
		return rnd->get_state();
	}
	inline void set_state(int seed)
	{
		rnd->set_state(seed);
	}

	static Traffic *get_singleton();
	static void create_singleton();
	static void destroy_singleton();
};