#ifndef NAV_REGION_H
#define NAV_REGION_H
/*************************************************************************/
/*  nav_region.h                                                         */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
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/*************************************************************************/

#include "nav_rid.h"

#include "nav_utils.h"
#include "scene/3d/navigation.h"
#include "scene/resources/navigation_mesh.h"
#include <vector>

/**
	@author AndreaCatania
*/

class NavMap;
class NavRegion;

class NavRegion : public NavRid {
	NavMap *map;
	Transform transform;
	Ref<NavigationMesh> mesh;

	bool polygons_dirty;

	/// Cache
	std::vector<gd::Polygon> polygons;

public:
	NavRegion();

	void scratch_polygons() {
		polygons_dirty = true;
	}

	void set_map(NavMap *p_map);
	NavMap *get_map() const {
		return map;
	}

	void set_transform(Transform transform);
	const Transform &get_transform() const {
		return transform;
	}

	void set_mesh(Ref<NavigationMesh> p_mesh);
	const Ref<NavigationMesh> get_mesh() const {
		return mesh;
	}

	std::vector<gd::Polygon> const &get_polygons() const {
		return polygons;
	}

	bool sync();

private:
	void update_polygons();
};

#endif // NAV_REGION_H