/*************************************************************************/
/*  concave_polygon_shape.h                                              */
/*************************************************************************/
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
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#ifndef CONCAVE_POLYGON_SHAPE_H
#define CONCAVE_POLYGON_SHAPE_H

#include "scene/resources/shape.h"

class ConcavePolygonShape : public Shape {

	GDCLASS(ConcavePolygonShape, Shape);

	struct DrawEdge {

		Vector3 a;
		Vector3 b;
		bool operator<(const DrawEdge &p_edge) const {
			if (a == p_edge.a)
				return b < p_edge.b;
			else
				return a < p_edge.a;
		}

		DrawEdge(const Vector3 &p_a = Vector3(), const Vector3 &p_b = Vector3()) {
			a = p_a;
			b = p_b;
			if (a < b) {
				SWAP(a, b);
			}
		}
	};

protected:
	static void _bind_methods();

	virtual void _update_shape();

public:
	void set_faces(const PoolVector<Vector3> &p_faces);
	PoolVector<Vector3> get_faces() const;

	Vector<Vector3> get_debug_mesh_lines();

	ConcavePolygonShape();
};

#endif // CONCAVE_POLYGON_SHAPE_H
