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/*************************************************************************/
/* resource_importer.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "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 */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef RESOURCE_IMPORTER_H
#define RESOURCE_IMPORTER_H
#include "core/io/resource_loader.h"
class ResourceImporter;
class ResourceFormatImporter : public ResourceFormatLoader {
struct PathAndType {
String path;
String type;
String importer;
String group_file;
Variant metadata;
uint64_t uid = ResourceUID::INVALID_ID;
};
Error _get_path_and_type(const String &p_path, PathAndType &r_path_and_type, bool *r_valid = nullptr) const;
static ResourceFormatImporter *singleton;
//need them to stay in order to compute the settings hash
struct SortImporterByName {
bool operator()(const Ref<ResourceImporter> &p_a, const Ref<ResourceImporter> &p_b) const;
};
Vector<Ref<ResourceImporter>> importers;
public:
static ResourceFormatImporter *get_singleton() { return singleton; }
virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
virtual void get_recognized_extensions(List<String> *p_extensions) const;
virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const;
virtual bool recognize_path(const String &p_path, const String &p_for_type = String()) const;
virtual bool handles_type(const String &p_type) const;
virtual String get_resource_type(const String &p_path) const;
virtual ResourceUID::ID get_resource_uid(const String &p_path) const;
virtual Variant get_resource_metadata(const String &p_path) const;
virtual bool is_import_valid(const String &p_path) const;
virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
virtual bool is_imported(const String &p_path) const { return recognize_path(p_path); }
virtual String get_import_group_file(const String &p_path) const;
virtual bool exists(const String &p_path) const;
virtual int get_import_order(const String &p_path) const;
Error get_import_order_threads_and_importer(const String &p_path, int &r_order, bool &r_can_threads, String &r_importer) const;
String get_internal_resource_path(const String &p_path) const;
void get_internal_resource_path_list(const String &p_path, List<String> *r_paths);
void add_importer(const Ref<ResourceImporter> &p_importer) {
importers.push_back(p_importer);
}
void remove_importer(const Ref<ResourceImporter> &p_importer) { importers.erase(p_importer); }
Ref<ResourceImporter> get_importer_by_name(const String &p_name) const;
Ref<ResourceImporter> get_importer_by_extension(const String &p_extension) const;
void get_importers_for_extension(const String &p_extension, List<Ref<ResourceImporter>> *r_importers);
void get_importers(List<Ref<ResourceImporter>> *r_importers);
bool are_import_settings_valid(const String &p_path) const;
String get_import_settings_hash() const;
String get_import_base_path(const String &p_for_file) const;
ResourceFormatImporter();
};
class ResourceImporter : public RefCounted {
GDCLASS(ResourceImporter, RefCounted);
protected:
static void _bind_methods();
public:
virtual String get_importer_name() const = 0;
virtual String get_visible_name() const = 0;
virtual void get_recognized_extensions(List<String> *p_extensions) const = 0;
virtual String get_save_extension() const = 0;
virtual String get_resource_type() const = 0;
virtual float get_priority() const { return 1.0; }
virtual int get_import_order() const { return IMPORT_ORDER_DEFAULT; }
virtual int get_format_version() const { return 0; }
struct ImportOption {
PropertyInfo option;
Variant default_value;
ImportOption(const PropertyInfo &p_info, const Variant &p_default) :
option(p_info),
default_value(p_default) {
}
ImportOption() {}
};
enum ImportOrder {
IMPORT_ORDER_DEFAULT = 0,
IMPORT_ORDER_SCENE = 100,
};
virtual bool has_advanced_options() const { return false; }
virtual void show_advanced_options(const String &p_path) {}
virtual int get_preset_count() const { return 0; }
virtual String get_preset_name(int p_idx) const { return String(); }
virtual void get_import_options(List<ImportOption> *r_options, int p_preset = 0) const = 0;
virtual bool get_option_visibility(const String &p_option, const Map<StringName, Variant> &p_options) const = 0;
virtual String get_option_group_file() const { return String(); }
virtual Error import(const String &p_source_file, const String &p_save_path, const Map<StringName, Variant> &p_options, List<String> *r_platform_variants, List<String> *r_gen_files = nullptr, Variant *r_metadata = nullptr) = 0;
virtual bool can_import_threaded() const { return true; }
virtual void import_threaded_begin() {}
virtual void import_threaded_end() {}
virtual Error import_group_file(const String &p_group_file, const Map<String, Map<StringName, Variant>> &p_source_file_options, const Map<String, String> &p_base_paths) { return ERR_UNAVAILABLE; }
virtual bool are_import_settings_valid(const String &p_path) const { return true; }
virtual String get_import_settings_string() const { return String(); }
};
VARIANT_ENUM_CAST(ResourceImporter::ImportOrder);
#endif // RESOURCE_IMPORTER_H
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