diff options
Diffstat (limited to 'core/io/resource_uid.h')
| -rw-r--r-- | core/io/resource_uid.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/core/io/resource_uid.h b/core/io/resource_uid.h new file mode 100644 index 0000000000..b12138425a --- /dev/null +++ b/core/io/resource_uid.h @@ -0,0 +1,89 @@ +/*************************************************************************/ +/* resource_uid.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_UUID_H +#define RESOURCE_UUID_H + +#include "core/object/ref_counted.h" +#include "core/string/string_name.h" +#include "core/templates/ordered_hash_map.h" + +class Crypto; +class ResourceUID : public Object { + GDCLASS(ResourceUID, Object) +public: + typedef int64_t ID; + enum { + INVALID_ID = -1 + }; + + static const char *CACHE_FILE; + +private: + mutable Ref<Crypto> crypto; + Mutex mutex; + struct Cache { + CharString cs; + bool saved_to_cache = false; + }; + + OrderedHashMap<ID, Cache> unique_ids; //unique IDs and utf8 paths (less memory used) + static ResourceUID *singleton; + + uint32_t cache_entries = 0; + bool changed = false; + +protected: + static void _bind_methods(); + +public: + String id_to_text(ID p_id) const; + ID text_to_id(const String &p_text) const; + + ID create_id() const; + bool has_id(ID p_id) const; + void add_id(ID p_id, const String &p_path); + void set_id(ID p_id, const String &p_path); + String get_id_path(ID p_id) const; + void remove_id(ID p_id); + + Error load_from_cache(); + Error save_to_cache(); + Error update_cache(); + + void clear(); + + static ResourceUID *get_singleton() { return singleton; } + + ResourceUID(); + ~ResourceUID(); +}; + +#endif // RESOURCEUUID_H |