/*************************************************************************/
/*  collision_object_2d.h                                                */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md)    */
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/*************************************************************************/
#ifndef COLLISION_OBJECT_2D_H
#define COLLISION_OBJECT_2D_H

#include "scene/2d/node_2d.h"
#include "scene/resources/shape_2d.h"

class CollisionObject2D : public Node2D {

	OBJ_TYPE(CollisionObject2D, Node2D);

	bool area;
	RID rid;
	bool pickable;

	struct ShapeData {
		Matrix32 xform;
		Ref<Shape2D> shape;
		bool trigger;

		ShapeData() {
			trigger = false;
		}
	};

	Vector<ShapeData> shapes;

	void _update_shapes();

	friend class CollisionShape2D;
	friend class CollisionPolygon2D;
	void _update_shapes_from_children();

protected:
	CollisionObject2D(RID p_rid, bool p_area);

	void _notification(int p_what);
	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
	void _get_property_list(List<PropertyInfo> *p_list) const;
	static void _bind_methods();

	void _update_pickable();
	friend class Viewport;
	void _input_event(Node *p_viewport, const InputEvent &p_input_event, int p_shape);
	void _mouse_enter();
	void _mouse_exit();

public:
	void add_shape(const Ref<Shape2D> &p_shape, const Matrix32 &p_transform = Matrix32());
	int get_shape_count() const;
	void set_shape(int p_shape_idx, const Ref<Shape2D> &p_shape);
	void set_shape_transform(int p_shape_idx, const Matrix32 &p_transform);
	Ref<Shape2D> get_shape(int p_shape_idx) const;
	Matrix32 get_shape_transform(int p_shape_idx) const;
	void set_shape_as_trigger(int p_shape_idx, bool p_trigger);
	bool is_shape_set_as_trigger(int p_shape_idx) const;
	void remove_shape(int p_shape_idx);
	void clear_shapes();

	void set_pickable(bool p_enabled);
	bool is_pickable() const;

	_FORCE_INLINE_ RID get_rid() const { return rid; }

	CollisionObject2D();
	~CollisionObject2D();
};

#endif // COLLISION_OBJECT_2D_H