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-rw-r--r--core/io/resource.h1
-rw-r--r--core/io/resource_format_binary.cpp97
-rw-r--r--core/io/resource_format_binary.h10
-rw-r--r--core/io/resource_importer.cpp13
-rw-r--r--core/io/resource_importer.h3
-rw-r--r--core/io/resource_loader.cpp125
-rw-r--r--core/io/resource_loader.h2
-rw-r--r--core/io/resource_saver.cpp12
-rw-r--r--core/io/resource_saver.h5
-rw-r--r--core/io/resource_uid.cpp262
-rw-r--r--core/io/resource_uid.h89
11 files changed, 525 insertions, 94 deletions
diff --git a/core/io/resource.h b/core/io/resource.h
index 0f88738f76..e864b371ad 100644
--- a/core/io/resource.h
+++ b/core/io/resource.h
@@ -31,6 +31,7 @@
#ifndef RESOURCE_H
#define RESOURCE_H
+#include "core/io/resource_uid.h"
#include "core/object/class_db.h"
#include "core/object/ref_counted.h"
#include "core/templates/safe_refcount.h"
diff --git a/core/io/resource_format_binary.cpp b/core/io/resource_format_binary.cpp
index e889586afc..38ad541a40 100644
--- a/core/io/resource_format_binary.cpp
+++ b/core/io/resource_format_binary.cpp
@@ -816,13 +816,18 @@ String ResourceLoaderBinary::get_unicode_string() {
}
void ResourceLoaderBinary::get_dependencies(FileAccess *p_f, List<String> *p_dependencies, bool p_add_types) {
- open(p_f);
+ open(p_f, false, true);
if (error) {
return;
}
for (int i = 0; i < external_resources.size(); i++) {
- String dep = external_resources[i].path;
+ String dep;
+ if (external_resources[i].uid != ResourceUID::INVALID_ID) {
+ dep = ResourceUID::get_singleton()->id_to_text(external_resources[i].uid);
+ } else {
+ dep = external_resources[i].path;
+ }
if (p_add_types && external_resources[i].type != String()) {
dep += "::" + external_resources[i].type;
@@ -832,7 +837,7 @@ void ResourceLoaderBinary::get_dependencies(FileAccess *p_f, List<String> *p_dep
}
}
-void ResourceLoaderBinary::open(FileAccess *p_f) {
+void ResourceLoaderBinary::open(FileAccess *p_f, bool p_no_resources, bool p_keep_uuid_paths) {
error = OK;
f = p_f;
@@ -891,10 +896,24 @@ void ResourceLoaderBinary::open(FileAccess *p_f) {
if (flags & ResourceFormatSaverBinaryInstance::FORMAT_FLAG_NAMED_SCENE_IDS) {
using_named_scene_ids = true;
}
- for (int i = 0; i < 13; i++) {
+ if (flags & ResourceFormatSaverBinaryInstance::FORMAT_FLAG_UIDS) {
+ using_uids = true;
+ }
+
+ if (using_uids) {
+ uid = f->get_64();
+ } else {
+ uid = ResourceUID::INVALID_ID;
+ }
+
+ for (int i = 0; i < 5; i++) {
f->get_32(); //skip a few reserved fields
}
+ if (p_no_resources) {
+ return;
+ }
+
uint32_t string_table_size = f->get_32();
string_map.resize(string_table_size);
for (uint32_t i = 0; i < string_table_size; i++) {
@@ -908,8 +927,18 @@ void ResourceLoaderBinary::open(FileAccess *p_f) {
for (uint32_t i = 0; i < ext_resources_size; i++) {
ExtResource er;
er.type = get_unicode_string();
-
er.path = get_unicode_string();
+ if (using_uids) {
+ er.uid = f->get_64();
+ if (!p_keep_uuid_paths && er.uid != ResourceUID::INVALID_ID) {
+ if (ResourceUID::get_singleton()->has_id(er.uid)) {
+ // If a UID is found and the path is valid, it will be used, otherwise, it falls back to the path.
+ er.path = ResourceUID::get_singleton()->get_id_path(er.uid);
+ } else {
+ WARN_PRINT(String(res_path + ": In external resouce #" + itos(i) + ", invalid UUID: " + ResourceUID::get_singleton()->id_to_text(er.uid) + " - using text path instead: " + er.path).utf8().get_data());
+ }
+ }
+ }
external_resources.push_back(er);
}
@@ -1173,8 +1202,15 @@ Error ResourceFormatLoaderBinary::rename_dependencies(const String &p_path, cons
uint64_t importmd_ofs = f->get_64();
fw->store_64(0); //metadata offset
- for (int i = 0; i < 14; i++) {
- fw->store_32(0);
+ uint32_t flags = f->get_32();
+ bool using_uids = (flags & ResourceFormatSaverBinaryInstance::FORMAT_FLAG_UIDS);
+ uint64_t uid_data = f->get_64();
+
+ fw->store_32(flags);
+ fw->store_64(uid_data);
+
+ for (int i = 0; i < 5; i++) {
+ f->store_32(0); // reserved
f->get_32();
}
@@ -1195,6 +1231,16 @@ Error ResourceFormatLoaderBinary::rename_dependencies(const String &p_path, cons
String type = get_ustring(f);
String path = get_ustring(f);
+ if (using_uids) {
+ ResourceUID::ID uid = f->get_64();
+ if (uid != ResourceUID::INVALID_ID) {
+ if (ResourceUID::get_singleton()->has_id(uid)) {
+ // If a UID is found and the path is valid, it will be used, otherwise, it falls back to the path.
+ path = ResourceUID::get_singleton()->get_id_path(uid);
+ }
+ }
+ }
+
bool relative = false;
if (!path.begins_with("res://")) {
path = local_path.plus_file(path).simplify_path();
@@ -1206,6 +1252,8 @@ Error ResourceFormatLoaderBinary::rename_dependencies(const String &p_path, cons
path = np;
}
+ String full_path = path;
+
if (relative) {
//restore relative
path = local_path.path_to_file(path);
@@ -1213,6 +1261,11 @@ Error ResourceFormatLoaderBinary::rename_dependencies(const String &p_path, cons
save_ustring(fw, type);
save_ustring(fw, path);
+
+ if (using_uids) {
+ ResourceUID::ID uid = ResourceSaver::get_resource_id_for_path(full_path);
+ f->store_64(uid);
+ }
}
int64_t size_diff = (int64_t)fw->get_position() - (int64_t)f->get_position();
@@ -1268,6 +1321,28 @@ String ResourceFormatLoaderBinary::get_resource_type(const String &p_path) const
return ClassDB::get_compatibility_remapped_class(r);
}
+ResourceUID::ID ResourceFormatLoaderBinary::get_resource_uid(const String &p_path) const {
+ String ext = p_path.get_extension().to_lower();
+ if (!ClassDB::is_resource_extension(ext)) {
+ return ResourceUID::INVALID_ID;
+ }
+
+ FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
+ if (!f) {
+ return ResourceUID::INVALID_ID; //could not read
+ }
+
+ ResourceLoaderBinary loader;
+ loader.local_path = ProjectSettings::get_singleton()->localize_path(p_path);
+ loader.res_path = loader.local_path;
+ //loader.set_local_path( Globals::get_singleton()->localize_path(p_path) );
+ loader.open(f, true);
+ if (loader.error != OK) {
+ return ResourceUID::INVALID_ID; //could not read
+ }
+ return loader.uid;
+}
+
///////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////
@@ -1824,8 +1899,10 @@ Error ResourceFormatSaverBinaryInstance::save(const String &p_path, const RES &p
save_unicode_string(f, p_resource->get_class());
f->store_64(0); //offset to import metadata
- f->store_32(FORMAT_FLAG_NAMED_SCENE_IDS);
- for (int i = 0; i < 13; i++) {
+ f->store_32(FORMAT_FLAG_NAMED_SCENE_IDS | FORMAT_FLAG_UIDS);
+ ResourceUID::ID uid = ResourceSaver::get_resource_id_for_path(p_path, true);
+ f->store_64(uid);
+ for (int i = 0; i < 5; i++) {
f->store_32(0); // reserved
}
@@ -1891,6 +1968,8 @@ Error ResourceFormatSaverBinaryInstance::save(const String &p_path, const RES &p
String path = save_order[i]->get_path();
path = relative_paths ? local_path.path_to_file(path) : path;
save_unicode_string(f, path);
+ ResourceUID::ID ruid = ResourceSaver::get_resource_id_for_path(save_order[i]->get_path(), false);
+ f->store_64(ruid);
}
// save internal resource table
f->store_32(saved_resources.size()); //amount of internal resources
diff --git a/core/io/resource_format_binary.h b/core/io/resource_format_binary.h
index e3dcf44492..ac964d2053 100644
--- a/core/io/resource_format_binary.h
+++ b/core/io/resource_format_binary.h
@@ -47,6 +47,8 @@ class ResourceLoaderBinary {
uint64_t importmd_ofs = 0;
+ ResourceUID::ID uid = ResourceUID::INVALID_ID;
+
Vector<char> str_buf;
List<RES> resource_cache;
@@ -57,10 +59,12 @@ class ResourceLoaderBinary {
struct ExtResource {
String path;
String type;
+ ResourceUID::ID uid = ResourceUID::INVALID_ID;
RES cache;
};
bool using_named_scene_ids = false;
+ bool using_uids = false;
bool use_sub_threads = false;
float *progress = nullptr;
Vector<ExtResource> external_resources;
@@ -94,7 +98,7 @@ public:
void set_translation_remapped(bool p_remapped);
void set_remaps(const Map<String, String> &p_remaps) { remaps = p_remaps; }
- void open(FileAccess *p_f);
+ void open(FileAccess *p_f, bool p_no_resources = false, bool p_keep_uuid_paths = false);
String recognize(FileAccess *p_f);
void get_dependencies(FileAccess *p_f, List<String> *p_dependencies, bool p_add_types);
@@ -109,6 +113,7 @@ public:
virtual void get_recognized_extensions(List<String> *p_extensions) 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 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);
};
@@ -157,7 +162,8 @@ class ResourceFormatSaverBinaryInstance {
public:
enum {
- FORMAT_FLAG_NAMED_SCENE_IDS = 1
+ FORMAT_FLAG_NAMED_SCENE_IDS = 1,
+ FORMAT_FLAG_UIDS = 2,
};
Error save(const String &p_path, const RES &p_resource, uint32_t p_flags = 0);
static void write_variant(FileAccess *f, const Variant &p_property, Map<RES, int> &resource_map, Map<RES, int> &external_resources, Map<StringName, int> &string_map, const PropertyInfo &p_hint = PropertyInfo());
diff --git a/core/io/resource_importer.cpp b/core/io/resource_importer.cpp
index f612b84404..6819511eb9 100644
--- a/core/io/resource_importer.cpp
+++ b/core/io/resource_importer.cpp
@@ -93,6 +93,8 @@ Error ResourceFormatImporter::_get_path_and_type(const String &p_path, PathAndTy
r_path_and_type.type = ClassDB::get_compatibility_remapped_class(value);
} else if (assign == "importer") {
r_path_and_type.importer = value;
+ } else if (assign == "uid") {
+ r_path_and_type.uid = ResourceUID::get_singleton()->text_to_id(value);
} else if (assign == "group_file") {
r_path_and_type.group_file = value;
} else if (assign == "metadata") {
@@ -336,6 +338,17 @@ String ResourceFormatImporter::get_resource_type(const String &p_path) const {
return pat.type;
}
+ResourceUID::ID ResourceFormatImporter::get_resource_uid(const String &p_path) const {
+ PathAndType pat;
+ Error err = _get_path_and_type(p_path, pat);
+
+ if (err != OK) {
+ return ResourceUID::INVALID_ID;
+ }
+
+ return pat.uid;
+}
+
Variant ResourceFormatImporter::get_resource_metadata(const String &p_path) const {
PathAndType pat;
Error err = _get_path_and_type(p_path, pat);
diff --git a/core/io/resource_importer.h b/core/io/resource_importer.h
index 62cb608a42..a1cacbd306 100644
--- a/core/io/resource_importer.h
+++ b/core/io/resource_importer.h
@@ -42,6 +42,7 @@ class ResourceFormatImporter : public ResourceFormatLoader {
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;
@@ -63,6 +64,8 @@ public:
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);
diff --git a/core/io/resource_loader.cpp b/core/io/resource_loader.cpp
index c5dfe1f2b0..b685f973e8 100644
--- a/core/io/resource_loader.cpp
+++ b/core/io/resource_loader.cpp
@@ -84,6 +84,14 @@ String ResourceFormatLoader::get_resource_type(const String &p_path) const {
return "";
}
+ResourceUID::ID ResourceFormatLoader::get_resource_uid(const String &p_path) const {
+ if (get_script_instance() && get_script_instance()->has_method("_get_resource_uid")) {
+ return get_script_instance()->call("_get_resource_uid", p_path);
+ }
+
+ return ResourceUID::INVALID_ID;
+}
+
void ResourceFormatLoader::get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const {
if (p_type == "" || handles_type(p_type)) {
get_recognized_extensions(p_extensions);
@@ -270,13 +278,18 @@ void ResourceLoader::_thread_load_function(void *p_userdata) {
thread_load_mutex->unlock();
}
-Error ResourceLoader::load_threaded_request(const String &p_path, const String &p_type_hint, bool p_use_sub_threads, ResourceFormatLoader::CacheMode p_cache_mode, const String &p_source_resource) {
- String local_path;
- if (p_path.is_rel_path()) {
- local_path = "res://" + p_path;
+static String _validate_local_path(const String &p_path) {
+ ResourceUID::ID uid = ResourceUID::get_singleton()->text_to_id(p_path);
+ if (uid != ResourceUID::INVALID_ID) {
+ return ResourceUID::get_singleton()->get_id_path(uid);
+ } else if (p_path.is_rel_path()) {
+ return "res://" + p_path;
} else {
- local_path = ProjectSettings::get_singleton()->localize_path(p_path);
+ return ProjectSettings::get_singleton()->localize_path(p_path);
}
+}
+Error ResourceLoader::load_threaded_request(const String &p_path, const String &p_type_hint, bool p_use_sub_threads, ResourceFormatLoader::CacheMode p_cache_mode, const String &p_source_resource) {
+ String local_path = _validate_local_path(p_path);
thread_load_mutex->lock();
@@ -399,12 +412,7 @@ float ResourceLoader::_dependency_get_progress(const String &p_path) {
}
ResourceLoader::ThreadLoadStatus ResourceLoader::load_threaded_get_status(const String &p_path, float *r_progress) {
- String local_path;
- if (p_path.is_rel_path()) {
- local_path = "res://" + p_path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(p_path);
- }
+ String local_path = _validate_local_path(p_path);
thread_load_mutex->lock();
if (!thread_load_tasks.has(local_path)) {
@@ -424,12 +432,7 @@ ResourceLoader::ThreadLoadStatus ResourceLoader::load_threaded_get_status(const
}
RES ResourceLoader::load_threaded_get(const String &p_path, Error *r_error) {
- String local_path;
- if (p_path.is_rel_path()) {
- local_path = "res://" + p_path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(p_path);
- }
+ String local_path = _validate_local_path(p_path);
thread_load_mutex->lock();
if (!thread_load_tasks.has(local_path)) {
@@ -510,12 +513,7 @@ RES ResourceLoader::load(const String &p_path, const String &p_type_hint, Resour
*r_error = ERR_CANT_OPEN;
}
- String local_path;
- if (p_path.is_rel_path()) {
- local_path = "res://" + p_path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(p_path);
- }
+ String local_path = _validate_local_path(p_path);
if (p_cache_mode != ResourceFormatLoader::CACHE_MODE_IGNORE) {
thread_load_mutex->lock();
@@ -612,12 +610,7 @@ RES ResourceLoader::load(const String &p_path, const String &p_type_hint, Resour
}
bool ResourceLoader::exists(const String &p_path, const String &p_type_hint) {
- String local_path;
- if (p_path.is_rel_path()) {
- local_path = "res://" + p_path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(p_path);
- }
+ String local_path = _validate_local_path(p_path);
if (ResourceCache::has(local_path)) {
return true; // If cached, it probably exists
@@ -677,14 +670,7 @@ void ResourceLoader::remove_resource_format_loader(Ref<ResourceFormatLoader> p_f
}
int ResourceLoader::get_import_order(const String &p_path) {
- String path = _path_remap(p_path);
-
- String local_path;
- if (path.is_rel_path()) {
- local_path = "res://" + path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(path);
- }
+ String local_path = _path_remap(_validate_local_path(p_path));
for (int i = 0; i < loader_count; i++) {
if (!loader[i]->recognize_path(local_path)) {
@@ -702,14 +688,7 @@ int ResourceLoader::get_import_order(const String &p_path) {
}
String ResourceLoader::get_import_group_file(const String &p_path) {
- String path = _path_remap(p_path);
-
- String local_path;
- if (path.is_rel_path()) {
- local_path = "res://" + path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(path);
- }
+ String local_path = _path_remap(_validate_local_path(p_path));
for (int i = 0; i < loader_count; i++) {
if (!loader[i]->recognize_path(local_path)) {
@@ -727,14 +706,7 @@ String ResourceLoader::get_import_group_file(const String &p_path) {
}
bool ResourceLoader::is_import_valid(const String &p_path) {
- String path = _path_remap(p_path);
-
- String local_path;
- if (path.is_rel_path()) {
- local_path = "res://" + path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(path);
- }
+ String local_path = _path_remap(_validate_local_path(p_path));
for (int i = 0; i < loader_count; i++) {
if (!loader[i]->recognize_path(local_path)) {
@@ -752,14 +724,7 @@ bool ResourceLoader::is_import_valid(const String &p_path) {
}
bool ResourceLoader::is_imported(const String &p_path) {
- String path = _path_remap(p_path);
-
- String local_path;
- if (path.is_rel_path()) {
- local_path = "res://" + path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(path);
- }
+ String local_path = _path_remap(_validate_local_path(p_path));
for (int i = 0; i < loader_count; i++) {
if (!loader[i]->recognize_path(local_path)) {
@@ -777,14 +742,7 @@ bool ResourceLoader::is_imported(const String &p_path) {
}
void ResourceLoader::get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types) {
- String path = _path_remap(p_path);
-
- String local_path;
- if (path.is_rel_path()) {
- local_path = "res://" + path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(path);
- }
+ String local_path = _path_remap(_validate_local_path(p_path));
for (int i = 0; i < loader_count; i++) {
if (!loader[i]->recognize_path(local_path)) {
@@ -800,14 +758,7 @@ void ResourceLoader::get_dependencies(const String &p_path, List<String> *p_depe
}
Error ResourceLoader::rename_dependencies(const String &p_path, const Map<String, String> &p_map) {
- String path = _path_remap(p_path);
-
- String local_path;
- if (path.is_rel_path()) {
- local_path = "res://" + path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(path);
- }
+ String local_path = _path_remap(_validate_local_path(p_path));
for (int i = 0; i < loader_count; i++) {
if (!loader[i]->recognize_path(local_path)) {
@@ -825,12 +776,7 @@ Error ResourceLoader::rename_dependencies(const String &p_path, const Map<String
}
String ResourceLoader::get_resource_type(const String &p_path) {
- String local_path;
- if (p_path.is_rel_path()) {
- local_path = "res://" + p_path;
- } else {
- local_path = ProjectSettings::get_singleton()->localize_path(p_path);
- }
+ String local_path = _validate_local_path(p_path);
for (int i = 0; i < loader_count; i++) {
String result = loader[i]->get_resource_type(local_path);
@@ -842,6 +788,19 @@ String ResourceLoader::get_resource_type(const String &p_path) {
return "";
}
+ResourceUID::ID ResourceLoader::get_resource_uid(const String &p_path) {
+ String local_path = _validate_local_path(p_path);
+
+ for (int i = 0; i < loader_count; i++) {
+ ResourceUID::ID id = loader[i]->get_resource_uid(local_path);
+ if (id != ResourceUID::INVALID_ID) {
+ return id;
+ }
+ }
+
+ return ResourceUID::INVALID_ID;
+}
+
String ResourceLoader::_path_remap(const String &p_path, bool *r_translation_remapped) {
String new_path = p_path;
diff --git a/core/io/resource_loader.h b/core/io/resource_loader.h
index c656b9a69c..b9e234fdd2 100644
--- a/core/io/resource_loader.h
+++ b/core/io/resource_loader.h
@@ -56,6 +56,7 @@ public:
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 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);
virtual bool is_import_valid(const String &p_path) const { return true; }
@@ -157,6 +158,7 @@ public:
static void add_resource_format_loader(Ref<ResourceFormatLoader> p_format_loader, bool p_at_front = false);
static void remove_resource_format_loader(Ref<ResourceFormatLoader> p_format_loader);
static String get_resource_type(const String &p_path);
+ static ResourceUID::ID get_resource_uid(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);
diff --git a/core/io/resource_saver.cpp b/core/io/resource_saver.cpp
index 80cb85fba3..bdfc7538a0 100644
--- a/core/io/resource_saver.cpp
+++ b/core/io/resource_saver.cpp
@@ -39,6 +39,7 @@ Ref<ResourceFormatSaver> ResourceSaver::saver[MAX_SAVERS];
int ResourceSaver::saver_count = 0;
bool ResourceSaver::timestamp_on_save = false;
ResourceSavedCallback ResourceSaver::save_callback = nullptr;
+ResourceSaverGetResourceIDForPath ResourceSaver::save_get_id_for_path = nullptr;
Error ResourceFormatSaver::save(const String &p_path, const RES &p_resource, uint32_t p_flags) {
if (get_script_instance() && get_script_instance()->has_method("_save")) {
@@ -259,3 +260,14 @@ void ResourceSaver::remove_custom_savers() {
remove_resource_format_saver(custom_savers[i]);
}
}
+
+ResourceUID::ID ResourceSaver::get_resource_id_for_path(const String &p_path, bool p_generate) {
+ if (save_get_id_for_path) {
+ return save_get_id_for_path(p_path, p_generate);
+ }
+ return ResourceUID::INVALID_ID;
+}
+
+void ResourceSaver::set_get_resource_id_for_path(ResourceSaverGetResourceIDForPath p_callback) {
+ save_get_id_for_path = p_callback;
+}
diff --git a/core/io/resource_saver.h b/core/io/resource_saver.h
index 07154aac4d..2fc8d32126 100644
--- a/core/io/resource_saver.h
+++ b/core/io/resource_saver.h
@@ -48,6 +48,7 @@ public:
};
typedef void (*ResourceSavedCallback)(Ref<Resource> p_resource, const String &p_path);
+typedef ResourceUID::ID (*ResourceSaverGetResourceIDForPath)(const String &p_path, bool p_generate);
class ResourceSaver {
enum {
@@ -58,6 +59,7 @@ class ResourceSaver {
static int saver_count;
static bool timestamp_on_save;
static ResourceSavedCallback save_callback;
+ static ResourceSaverGetResourceIDForPath save_get_id_for_path;
static Ref<ResourceFormatSaver> _find_custom_resource_format_saver(String path);
@@ -80,7 +82,10 @@ public:
static void set_timestamp_on_save(bool p_timestamp) { timestamp_on_save = p_timestamp; }
static bool get_timestamp_on_save() { return timestamp_on_save; }
+ static ResourceUID::ID get_resource_id_for_path(const String &p_path, bool p_generate = false);
+
static void set_save_callback(ResourceSavedCallback p_callback);
+ static void set_get_resource_id_for_path(ResourceSaverGetResourceIDForPath p_callback);
static bool add_custom_resource_format_saver(String script_path);
static void remove_custom_resource_format_saver(String script_path);
diff --git a/core/io/resource_uid.cpp b/core/io/resource_uid.cpp
new file mode 100644
index 0000000000..d4e8fcb6b0
--- /dev/null
+++ b/core/io/resource_uid.cpp
@@ -0,0 +1,262 @@
+/*************************************************************************/
+/* resource_uid.cpp */
+/*************************************************************************/
+/* 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. */
+/*************************************************************************/
+
+#include "resource_uid.h"
+#include "core/crypto/crypto.h"
+#include "core/io/dir_access.h"
+#include "core/io/file_access.h"
+
+static constexpr uint32_t char_count = ('z' - 'a');
+static constexpr uint32_t base = char_count + ('9' - '0');
+
+const char *ResourceUID::CACHE_FILE = "res://.godot/uid_cache.bin";
+
+String ResourceUID::id_to_text(ID p_id) const {
+ if (p_id < 0) {
+ return "uid://<invalid>";
+ }
+ String txt;
+
+ while (p_id) {
+ uint32_t c = p_id % base;
+ if (c < char_count) {
+ txt = String::chr('a' + c) + txt;
+ } else {
+ txt = String::chr('0' + (c - char_count)) + txt;
+ }
+ p_id /= base;
+ }
+
+ return "uid://" + txt;
+}
+
+ResourceUID::ID ResourceUID::text_to_id(const String &p_text) const {
+ if (!p_text.begins_with("uid://") || p_text == "uid://<invalid>") {
+ return INVALID_ID;
+ }
+
+ uint32_t l = p_text.length();
+ uint64_t uid = 0;
+ for (uint32_t i = 6; i < l; i++) {
+ uid *= base;
+ uint32_t c = p_text[i];
+ if (c >= 'a' && c <= 'z') {
+ uid += c - 'a';
+ } else if (c >= '0' && c <= '9') {
+ uid += c - '0' + char_count;
+ } else {
+ return INVALID_ID;
+ }
+ }
+ return ID(uid & 0x7FFFFFFFFFFFFFFF);
+}
+
+ResourceUID::ID ResourceUID::create_id() const {
+ mutex.lock();
+ if (crypto.is_null()) {
+ crypto = Ref<Crypto>(Crypto::create());
+ }
+ mutex.unlock();
+ while (true) {
+ PackedByteArray bytes = crypto->generate_random_bytes(8);
+ ERR_FAIL_COND_V(bytes.size() != 8, INVALID_ID);
+ const uint64_t *ptr64 = (const uint64_t *)bytes.ptr();
+ ID id = int64_t((*ptr64) & 0x7FFFFFFFFFFFFFFF);
+ mutex.lock();
+ bool exists = unique_ids.has(id);
+ mutex.unlock();
+ if (!exists) {
+ return id;
+ }
+ }
+}
+
+bool ResourceUID::has_id(ID p_id) const {
+ MutexLock l(mutex);
+ return unique_ids.has(p_id);
+}
+void ResourceUID::add_id(ID p_id, const String &p_path) {
+ MutexLock l(mutex);
+ ERR_FAIL_COND(unique_ids.has(p_id));
+ Cache c;
+ c.cs = p_path.utf8();
+ unique_ids[p_id] = c;
+ changed = true;
+}
+
+void ResourceUID::set_id(ID p_id, const String &p_path) {
+ MutexLock l(mutex);
+ ERR_FAIL_COND(!unique_ids.has(p_id));
+ CharString cs = p_path.utf8();
+ if (strcmp(cs.ptr(), unique_ids[p_id].cs.ptr()) != 0) {
+ unique_ids[p_id].cs = cs;
+ unique_ids[p_id].saved_to_cache = false; //changed
+ changed = true;
+ }
+}
+
+String ResourceUID::get_id_path(ID p_id) const {
+ MutexLock l(mutex);
+ ERR_FAIL_COND_V(!unique_ids.has(p_id), String());
+ const CharString &cs = unique_ids[p_id].cs;
+ String s(cs.ptr());
+ return s;
+}
+void ResourceUID::remove_id(ID p_id) {
+ MutexLock l(mutex);
+ ERR_FAIL_COND(!unique_ids.has(p_id));
+ unique_ids.erase(p_id);
+}
+
+Error ResourceUID::save_to_cache() {
+ if (!FileAccess::exists(CACHE_FILE)) {
+ DirAccessRef d = DirAccess::create(DirAccess::ACCESS_RESOURCES);
+ d->make_dir_recursive(String(CACHE_FILE).get_base_dir()); //ensure base dir exists
+ }
+
+ FileAccessRef f = FileAccess::open(CACHE_FILE, FileAccess::WRITE);
+ if (!f) {
+ return ERR_CANT_OPEN;
+ }
+
+ MutexLock l(mutex);
+ f->store_32(unique_ids.size());
+
+ cache_entries = 0;
+
+ for (OrderedHashMap<ID, Cache>::Element E = unique_ids.front(); E; E = E.next()) {
+ f->store_64(E.key());
+ uint32_t s = E.get().cs.length();
+ f->store_32(s);
+ f->store_buffer((const uint8_t *)E.get().cs.ptr(), s);
+ E.get().saved_to_cache = true;
+ cache_entries++;
+ }
+
+ changed = false;
+ return OK;
+}
+
+Error ResourceUID::load_from_cache() {
+ FileAccessRef f = FileAccess::open(CACHE_FILE, FileAccess::READ);
+ if (!f) {
+ return ERR_CANT_OPEN;
+ }
+
+ MutexLock l(mutex);
+ unique_ids.clear();
+
+ uint32_t entry_count = f->get_32();
+ for (uint32_t i = 0; i < entry_count; i++) {
+ int64_t id = f->get_64();
+ int32_t len = f->get_32();
+ Cache c;
+ c.cs.resize(len + 1);
+ ERR_FAIL_COND_V(c.cs.size() != len + 1, ERR_FILE_CORRUPT); // out of memory
+ c.cs[len] = 0;
+ int32_t rl = f->get_buffer((uint8_t *)c.cs.ptrw(), len);
+ ERR_FAIL_COND_V(rl != len, ERR_FILE_CORRUPT);
+
+ c.saved_to_cache = true;
+ unique_ids[id] = c;
+ }
+
+ cache_entries = entry_count;
+ changed = false;
+ return OK;
+}
+
+Error ResourceUID::update_cache() {
+ if (!changed) {
+ return OK;
+ }
+
+ if (cache_entries == 0) {
+ return save_to_cache();
+ }
+ MutexLock l(mutex);
+
+ FileAccess *f = nullptr;
+ for (OrderedHashMap<ID, Cache>::Element E = unique_ids.front(); E; E = E.next()) {
+ if (!E.get().saved_to_cache) {
+ if (f == nullptr) {
+ f = FileAccess::open(CACHE_FILE, FileAccess::READ_WRITE); //append
+ if (!f) {
+ return ERR_CANT_OPEN;
+ }
+ f->seek_end();
+ }
+ f->store_64(E.key());
+ uint32_t s = E.get().cs.length();
+ f->store_32(s);
+ f->store_buffer((const uint8_t *)E.get().cs.ptr(), s);
+ E.get().saved_to_cache = true;
+ cache_entries++;
+ }
+ }
+
+ if (f != nullptr) {
+ f->seek(0);
+ f->store_32(cache_entries); //update amount of entries
+ f->close();
+ memdelete(f);
+ }
+
+ changed = false;
+
+ return OK;
+}
+
+void ResourceUID::clear() {
+ cache_entries = 0;
+ unique_ids.clear();
+ changed = false;
+}
+void ResourceUID::_bind_methods() {
+ ClassDB::bind_method(D_METHOD("id_to_text", "id"), &ResourceUID::id_to_text);
+ ClassDB::bind_method(D_METHOD("text_to_id", "text_id"), &ResourceUID::text_to_id);
+
+ ClassDB::bind_method(D_METHOD("create_id"), &ResourceUID::create_id);
+
+ ClassDB::bind_method(D_METHOD("has_id", "id"), &ResourceUID::has_id);
+ ClassDB::bind_method(D_METHOD("add_id", "id", "path"), &ResourceUID::add_id);
+ ClassDB::bind_method(D_METHOD("set_id", "id", "path"), &ResourceUID::set_id);
+ ClassDB::bind_method(D_METHOD("get_id_path", "id"), &ResourceUID::get_id_path);
+ ClassDB::bind_method(D_METHOD("remove_id", "id", "path"), &ResourceUID::remove_id);
+
+ BIND_CONSTANT(INVALID_ID)
+}
+ResourceUID *ResourceUID::singleton = nullptr;
+ResourceUID::ResourceUID() {
+ ERR_FAIL_COND(singleton != nullptr);
+ singleton = this;
+}
+ResourceUID::~ResourceUID() {
+}
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