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/*************************************************************************/
/* resource_loader.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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_LOADER_H
#define RESOURCE_LOADER_H
#include "resource.h"
/**
@author Juan Linietsky <reduzio@gmail.com>
*/
class ResourceInteractiveLoader : public Reference {
GDCLASS(ResourceInteractiveLoader, Reference);
protected:
static void _bind_methods();
public:
virtual void set_local_path(const String &p_local_path) = 0;
virtual Ref<Resource> get_resource() = 0;
virtual Error poll() = 0;
virtual int get_stage() const = 0;
virtual int get_stage_count() const = 0;
virtual void set_translation_remapped(bool p_remapped) = 0;
virtual Error wait();
ResourceInteractiveLoader() {}
};
class ResourceFormatLoader {
public:
virtual Ref<ResourceInteractiveLoader> load_interactive(const String &p_path, Error *r_error = NULL);
virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
virtual void get_recognized_extensions(List<String> *p_extensions) const = 0;
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 = 0;
virtual String get_resource_type(const String &p_path) const = 0;
virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
virtual Error rename_dependencies(const String &p_path, const Map<String, String> &p_map) { return OK; }
virtual bool is_import_valid(const String &p_path) const { return true; }
virtual ~ResourceFormatLoader() {}
};
typedef void (*ResourceLoadErrorNotify)(void *p_ud, const String &p_text);
typedef void (*DependencyErrorNotify)(void *p_ud, const String &p_loading, const String &p_which, const String &p_type);
class ResourceLoader {
enum {
MAX_LOADERS = 64
};
static ResourceFormatLoader *loader[MAX_LOADERS];
static int loader_count;
static bool timestamp_on_load;
static void *err_notify_ud;
static ResourceLoadErrorNotify err_notify;
static void *dep_err_notify_ud;
static DependencyErrorNotify dep_err_notify;
static bool abort_on_missing_resource;
static HashMap<String, Vector<String> > translation_remaps;
static String _path_remap(const String &p_path, bool *r_translation_remapped = NULL);
friend class Resource;
static SelfList<Resource>::List remapped_list;
public:
static Ref<ResourceInteractiveLoader> load_interactive(const String &p_path, const String &p_type_hint = "", bool p_no_cache = false, Error *r_error = NULL);
static RES load(const String &p_path, const String &p_type_hint = "", bool p_no_cache = false, Error *r_error = NULL);
static void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions);
static void add_resource_format_loader(ResourceFormatLoader *p_format_loader, bool p_at_front = false);
static String get_resource_type(const String &p_path);
static void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
static Error rename_dependencies(const String &p_path, const Map<String, String> &p_map);
static bool is_import_valid(const String &p_path);
static void set_timestamp_on_load(bool p_timestamp) { timestamp_on_load = p_timestamp; }
static void notify_load_error(const String &p_err) {
if (err_notify) err_notify(err_notify_ud, p_err);
}
static void set_error_notify_func(void *p_ud, ResourceLoadErrorNotify p_err_notify) {
err_notify = p_err_notify;
err_notify_ud = p_ud;
}
static void notify_dependency_error(const String &p_path, const String &p_dependency, const String &p_type) {
if (dep_err_notify) dep_err_notify(dep_err_notify_ud, p_path, p_dependency, p_type);
}
static void set_dependency_error_notify_func(void *p_ud, DependencyErrorNotify p_err_notify) {
dep_err_notify = p_err_notify;
dep_err_notify_ud = p_ud;
}
static void set_abort_on_missing_resources(bool p_abort) { abort_on_missing_resource = p_abort; }
static bool get_abort_on_missing_resources() { return abort_on_missing_resource; }
static String path_remap(const String &p_path);
static String import_remap(const String &p_path);
static void reload_translation_remaps();
static void load_translation_remaps();
static void clear_translation_remaps();
};
#endif
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