/*************************************************************************/
/*  collision_object.h                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md)    */
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/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/*************************************************************************/
#ifndef COLLISION_OBJECT_H
#define COLLISION_OBJECT_H

#include "scene/3d/spatial.h"
#include "scene/resources/shape.h"

class CollisionObject : public Spatial {

	GDCLASS(CollisionObject, Spatial);

	bool area;
	RID rid;

	struct ShapeData {

		Object *owner;
		Transform xform;
		struct ShapeBase {
			Ref<Shape> shape;
			int index;
		};

		Vector<ShapeBase> shapes;
		bool disabled;

		ShapeData() {
			disabled = false;
			owner = NULL;
		}
	};

	int total_subshapes;

	Map<uint32_t, ShapeData> shapes;

	bool capture_input_on_drag;
	bool ray_pickable;

	void _update_pickable();

protected:
	CollisionObject(RID p_rid, bool p_area);

	void _notification(int p_what);
	static void _bind_methods();
	friend class Viewport;
	virtual void _input_event(Node *p_camera, const Ref<InputEvent> &p_input_event, const Vector3 &p_pos, const Vector3 &p_normal, int p_shape);
	virtual void _mouse_enter();
	virtual void _mouse_exit();

public:
	uint32_t create_shape_owner(Object *p_owner);
	void remove_shape_owner(uint32_t owner);
	void get_shape_owners(List<uint32_t> *r_owners);

	void shape_owner_set_transform(uint32_t p_owner, const Transform &p_transform);
	Transform shape_owner_get_transform(uint32_t p_owner) const;
	Object *shape_owner_get_owner(uint32_t p_owner) const;

	void shape_owner_set_disabled(uint32_t p_owner, bool p_disabled);
	bool is_shape_owner_disabled(uint32_t p_owner) const;

	void shape_owner_add_shape(uint32_t p_owner, const Ref<Shape> &p_shape);
	int shape_owner_get_shape_count(uint32_t p_owner) const;
	Ref<Shape> shape_owner_get_shape(uint32_t p_owner, int p_shape) const;
	int shape_owner_get_shape_index(uint32_t p_owner, int p_shape) const;

	void shape_owner_remove_shape(uint32_t p_owner, int p_shape);
	void shape_owner_clear_shapes(uint32_t p_owner);

	uint32_t shape_find_owner(int p_shape_index) const;

	void set_ray_pickable(bool p_ray_pickable);
	bool is_ray_pickable() const;

	void set_capture_input_on_drag(bool p_capture);
	bool get_capture_input_on_drag() const;

	_FORCE_INLINE_ RID get_rid() const { return rid; }

	CollisionObject();
	~CollisionObject();
};

#endif // COLLISION_OBJECT__H