#ifndef TERRAIN_2D_LIBRARY_MERGER_H
#define TERRAIN_2D_LIBRARY_MERGER_H


#include "core/containers/rb_map.h"
#include "core/object/resource.h"

#include "terrain_2d_library.h"

#include "scene/resources/material/material.h"

#include "../data/terrain_2d_light.h"
#include "terrain_2d_surface_merger.h"

#include "modules/modules_enabled.gen.h"

class Terrain2DSurfaceSimple;
class Terrain2DMesher;
class PackedScene;

class Terrain2DLibraryMerger : public Terrain2DLibrary {
	GDCLASS(Terrain2DLibraryMerger, Terrain2DLibrary)

public:
	int get_texture_flags() const;
	void set_texture_flags(const int flags);

	int get_max_atlas_size() const;
	void set_max_atlas_size(const int size);

	bool get_keep_original_atlases() const;
	void set_keep_original_atlases(const bool value);

	Color get_background_color() const;
	void set_background_color(const Color &color);

	int get_margin() const;
	void set_margin(const int margin);

	Ref<Terrain2DSurface> terra_surface_get(const int index);
	void terra_surface_add(Ref<Terrain2DSurface> value);
	void terra_surface_set(const int index, Ref<Terrain2DSurface> value);
	void terra_surface_remove(const int index);
	int terra_surface_get_num() const;
	void terra_surfaces_clear();

	Vector<Variant> get_terra_surfaces();
	void set_terra_surfaces(const Vector<Variant> &surfaces);

#ifdef MODULE_PROPS_2D_ENABLED
	Ref<Prop2DData> get_prop(const int index);
	void add_prop(Ref<Prop2DData> value);
	bool has_prop(const Ref<Prop2DData> &value) const;
	void set_prop(const int index, const Ref<Prop2DData> &value);
	void remove_prop(const int index);
	int get_num_props() const;
	void clear_props();

	Vector<Variant> get_props();
	void set_props(const Vector<Variant> &props);

	Rect2 get_prop_uv_rect(const Ref<Texture> &texture);

	Ref<TexturePacker> get_prop_packer();
#endif

	void refresh_rects();

	void _setup_material_albedo(const int material_index, const Ref<Texture> &texture);

	Terrain2DLibraryMerger();
	~Terrain2DLibraryMerger();

protected:
#ifdef MODULE_PROPS_2D_ENABLED
	bool process_prop_textures(Ref<Prop2DData> prop);
#endif

	static void _bind_methods();

	Vector<Ref<Terrain2DSurfaceMerger>> _terra_surfaces;
#ifdef MODULE_PROPS_2D_ENABLED
	Vector<Ref<Prop2DData>> _props;
#endif

	Ref<TexturePacker> _packer;
	Ref<TexturePacker> _prop_packer;
};

#endif