/*************************************************************************/
/*  tile_set.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 TILE_SET_H
#define TILE_SET_H

#include "resource.h"
#include "scene/2d/light_occluder_2d.h"
#include "scene/2d/navigation_polygon.h"
#include "scene/resources/shape_2d.h"
#include "scene/resources/texture.h"

class TileSet : public Resource {

	GDCLASS(TileSet, Resource);

public:
	struct ShapeData {
		Ref<Shape2D> shape;
		Transform2D shape_transform;
		bool one_way_collision;

		ShapeData() {
			one_way_collision = false;
		}
	};

private:
	struct TileData {

		String name;
		Ref<Texture> texture;
		Ref<Texture> normal_map;
		Vector2 offset;
		Rect2i region;
		Vector<ShapeData> shapes_data;
		Vector2 occluder_offset;
		Ref<OccluderPolygon2D> occluder;
		Vector2 navigation_polygon_offset;
		Ref<NavigationPolygon> navigation_polygon;
		Ref<ShaderMaterial> material;
		Color modulate;

		// Default modulate for back-compat
		explicit TileData()
			: modulate(1, 1, 1) {}
	};

	Map<int, TileData> tile_map;

protected:
	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;
	void _tile_set_shapes(int p_id, const Array &p_shapes);
	Array _tile_get_shapes(int p_id) const;
	Array _get_tiles_ids() const;

	static void _bind_methods();

public:
	void create_tile(int p_id);

	void tile_set_name(int p_id, const String &p_name);
	String tile_get_name(int p_id) const;

	void tile_set_texture(int p_id, const Ref<Texture> &p_texture);
	Ref<Texture> tile_get_texture(int p_id) const;

	void tile_set_normal_map(int p_id, const Ref<Texture> &p_normal_map);
	Ref<Texture> tile_get_normal_map(int p_id) const;

	void tile_set_texture_offset(int p_id, const Vector2 &p_offset);
	Vector2 tile_get_texture_offset(int p_id) const;

	void tile_set_region(int p_id, const Rect2 &p_region);
	Rect2 tile_get_region(int p_id) const;

	void tile_set_shape(int p_id, int p_shape_id, const Ref<Shape2D> &p_shape);
	Ref<Shape2D> tile_get_shape(int p_id, int p_shape_id) const;

	void tile_set_shape_transform(int p_id, int p_shape_id, const Transform2D &p_offset);
	Transform2D tile_get_shape_transform(int p_id, int p_shape_id) const;

	void tile_set_shape_one_way(int p_id, int p_shape_id, bool p_one_way);
	bool tile_get_shape_one_way(int p_id, int p_shape_id) const;

	void tile_clear_shapes(int p_id);
	void tile_add_shape(int p_id, const Ref<Shape2D> &p_shape, const Transform2D &p_transform, bool p_one_way = false);
	int tile_get_shape_count(int p_id) const;

	void tile_set_shapes(int p_id, const Vector<ShapeData> &p_shapes);
	Vector<ShapeData> tile_get_shapes(int p_id) const;

	void tile_set_material(int p_id, const Ref<ShaderMaterial> &p_material);
	Ref<ShaderMaterial> tile_get_material(int p_id) const;

	void tile_set_modulate(int p_id, const Color &p_modulate);
	Color tile_get_modulate(int p_id) const;

	void tile_set_occluder_offset(int p_id, const Vector2 &p_offset);
	Vector2 tile_get_occluder_offset(int p_id) const;

	void tile_set_light_occluder(int p_id, const Ref<OccluderPolygon2D> &p_light_occluder);
	Ref<OccluderPolygon2D> tile_get_light_occluder(int p_id) const;

	void tile_set_navigation_polygon_offset(int p_id, const Vector2 &p_offset);
	Vector2 tile_get_navigation_polygon_offset(int p_id) const;

	void tile_set_navigation_polygon(int p_id, const Ref<NavigationPolygon> &p_navigation_polygon);
	Ref<NavigationPolygon> tile_get_navigation_polygon(int p_id) const;

	void remove_tile(int p_id);

	bool has_tile(int p_id) const;

	int find_tile_by_name(const String &p_name) const;
	void get_tile_list(List<int> *p_tiles) const;

	void clear();

	int get_last_unused_tile_id() const;

	TileSet();
};

#endif // TILE_SET_H