resource_importer_texture_atlas.h

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/*  resource_importer_texture_atlas.h                                     */
/**************************************************************************/
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#pragma once

#include "core/io/image.h"
#include "core/io/resource_importer.h"
class ResourceImporterTextureAtlas : public ResourceImporter {
	GDCLASS(ResourceImporterTextureAtlas, ResourceImporter);

	struct PackData {
		Rect2 region;
		bool is_cropped = false;
		bool is_mesh = false;
		Vector<int> chart_pieces; //one for region, many for mesh
		Vector<Vector<Vector2>> chart_vertices; //for mesh
		Ref<Image> image;
	};

public:
	enum ImportMode {
		IMPORT_MODE_REGION,
		IMPORT_MODE_2D_MESH
	};

	virtual String get_importer_name() const override;
	virtual String get_visible_name() const override;
	virtual void get_recognized_extensions(List<String> *p_extensions) const override;
	virtual String get_save_extension() const override;
	virtual String get_resource_type() const override;

	virtual int get_preset_count() const override;
	virtual String get_preset_name(int p_idx) const override;

	virtual void get_import_options(const String &p_path, List<ImportOption> *r_options, int p_preset = 0) const override;
	virtual bool get_option_visibility(const String &p_path, const String &p_option, const HashMap<StringName, Variant> &p_options) const override;
	virtual String get_option_group_file() const override;

	virtual Error import(ResourceUID::ID p_source_id, const String &p_source_file, const String &p_save_path, const HashMap<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files = nullptr, Variant *r_metadata = nullptr) override;
	virtual Error import_group_file(const String &p_group_file, const HashMap<String, HashMap<StringName, Variant>> &p_source_file_options, const HashMap<String, String> &p_base_paths) override;

	virtual bool can_import_threaded() const override { return true; }
};