145 lines
6.7 KiB
C++
145 lines
6.7 KiB
C++
/*************************************************************************/
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/* resource_loader.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef RESOURCE_LOADER_H
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#define RESOURCE_LOADER_H
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#include "resource.h"
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/**
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@author Juan Linietsky <reduzio@gmail.com>
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*/
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class ResourceInteractiveLoader : public Reference {
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GDCLASS(ResourceInteractiveLoader, Reference);
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protected:
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static void _bind_methods();
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public:
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virtual void set_local_path(const String &p_local_path) = 0;
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virtual Ref<Resource> get_resource() = 0;
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virtual Error poll() = 0;
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virtual int get_stage() const = 0;
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virtual int get_stage_count() const = 0;
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virtual void set_translation_remapped(bool p_remapped) = 0;
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virtual Error wait();
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ResourceInteractiveLoader() {}
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};
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class ResourceFormatLoader {
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public:
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virtual Ref<ResourceInteractiveLoader> load_interactive(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
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virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = NULL);
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virtual void get_recognized_extensions(List<String> *p_extensions) const = 0;
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virtual void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const;
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virtual bool recognize_path(const String &p_path, const String &p_for_type = String()) const;
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virtual bool handles_type(const String &p_type) const = 0;
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virtual String get_resource_type(const String &p_path) const = 0;
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virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
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virtual Error rename_dependencies(const String &p_path, const Map<String, String> &p_map) { return OK; }
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virtual bool is_import_valid(const String &p_path) const { return true; }
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virtual int get_import_order(const String &p_path) const { return 0; }
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virtual ~ResourceFormatLoader() {}
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};
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typedef void (*ResourceLoadErrorNotify)(void *p_ud, const String &p_text);
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typedef void (*DependencyErrorNotify)(void *p_ud, const String &p_loading, const String &p_which, const String &p_type);
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class ResourceLoader {
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enum {
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MAX_LOADERS = 64
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};
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static ResourceFormatLoader *loader[MAX_LOADERS];
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static int loader_count;
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static bool timestamp_on_load;
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static void *err_notify_ud;
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static ResourceLoadErrorNotify err_notify;
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static void *dep_err_notify_ud;
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static DependencyErrorNotify dep_err_notify;
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static bool abort_on_missing_resource;
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static HashMap<String, Vector<String> > translation_remaps;
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static String _path_remap(const String &p_path, bool *r_translation_remapped = NULL);
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friend class Resource;
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static SelfList<Resource>::List remapped_list;
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friend class ResourceFormatImporter;
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//internal load function
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static RES _load(const String &p_path, const String &p_original_path, const String &p_type_hint, bool p_no_cache, Error *r_error);
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public:
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static Ref<ResourceInteractiveLoader> load_interactive(const String &p_path, const String &p_type_hint = "", bool p_no_cache = false, Error *r_error = NULL);
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static RES load(const String &p_path, const String &p_type_hint = "", bool p_no_cache = false, Error *r_error = NULL);
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static void get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions);
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static void add_resource_format_loader(ResourceFormatLoader *p_format_loader, bool p_at_front = false);
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static String get_resource_type(const String &p_path);
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static void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
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static Error rename_dependencies(const String &p_path, const Map<String, String> &p_map);
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static bool is_import_valid(const String &p_path);
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static int get_import_order(const String &p_path);
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static void set_timestamp_on_load(bool p_timestamp) { timestamp_on_load = p_timestamp; }
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static void notify_load_error(const String &p_err) {
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if (err_notify) err_notify(err_notify_ud, p_err);
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}
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static void set_error_notify_func(void *p_ud, ResourceLoadErrorNotify p_err_notify) {
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err_notify = p_err_notify;
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err_notify_ud = p_ud;
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}
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static void notify_dependency_error(const String &p_path, const String &p_dependency, const String &p_type) {
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if (dep_err_notify) dep_err_notify(dep_err_notify_ud, p_path, p_dependency, p_type);
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}
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static void set_dependency_error_notify_func(void *p_ud, DependencyErrorNotify p_err_notify) {
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dep_err_notify = p_err_notify;
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dep_err_notify_ud = p_ud;
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}
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static void set_abort_on_missing_resources(bool p_abort) { abort_on_missing_resource = p_abort; }
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static bool get_abort_on_missing_resources() { return abort_on_missing_resource; }
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static String path_remap(const String &p_path);
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static String import_remap(const String &p_path);
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static void reload_translation_remaps();
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static void load_translation_remaps();
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static void clear_translation_remaps();
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};
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#endif
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