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-rw-r--r--core/io/resource_format_binary.cpp93
1 files changed, 92 insertions, 1 deletions
diff --git a/core/io/resource_format_binary.cpp b/core/io/resource_format_binary.cpp
index 45e1301930..3dc1e98a21 100644
--- a/core/io/resource_format_binary.cpp
+++ b/core/io/resource_format_binary.cpp
@@ -91,7 +91,8 @@ enum {
// Version 2: added 64 bits support for float and int.
// Version 3: changed nodepath encoding.
// Version 4: new string ID for ext/subresources, breaks forward compat.
- FORMAT_VERSION = 4,
+ // Version 5: Ability to store script class in the header.
+ FORMAT_VERSION = 5,
FORMAT_VERSION_CAN_RENAME_DEPS = 1,
FORMAT_VERSION_NO_NODEPATH_PROPERTY = 3,
};
@@ -1013,6 +1014,10 @@ void ResourceLoaderBinary::open(Ref<FileAccess> p_f, bool p_no_resources, bool p
uid = ResourceUID::INVALID_ID;
}
+ if (flags & ResourceFormatSaverBinaryInstance::FORMAT_FLAG_HAS_SCRIPT_CLASS) {
+ script_class = get_unicode_string();
+ }
+
for (int i = 0; i < ResourceFormatSaverBinaryInstance::RESERVED_FIELDS; i++) {
f->get_32(); //skip a few reserved fields
}
@@ -1117,6 +1122,57 @@ String ResourceLoaderBinary::recognize(Ref<FileAccess> p_f) {
return get_unicode_string();
}
+String ResourceLoaderBinary::recognize_script_class(Ref<FileAccess> p_f) {
+ error = OK;
+
+ f = p_f;
+ uint8_t header[4];
+ f->get_buffer(header, 4);
+ if (header[0] == 'R' && header[1] == 'S' && header[2] == 'C' && header[3] == 'C') {
+ // Compressed.
+ Ref<FileAccessCompressed> fac;
+ fac.instantiate();
+ error = fac->open_after_magic(f);
+ if (error != OK) {
+ f.unref();
+ return "";
+ }
+ f = fac;
+
+ } else if (header[0] != 'R' || header[1] != 'S' || header[2] != 'R' || header[3] != 'C') {
+ // Not normal.
+ error = ERR_FILE_UNRECOGNIZED;
+ f.unref();
+ return "";
+ }
+
+ bool big_endian = f->get_32();
+ f->get_32(); // use_real64
+
+ f->set_big_endian(big_endian != 0); //read big endian if saved as big endian
+
+ uint32_t ver_major = f->get_32();
+ f->get_32(); // ver_minor
+ uint32_t ver_fmt = f->get_32();
+
+ if (ver_fmt > FORMAT_VERSION || ver_major > VERSION_MAJOR) {
+ f.unref();
+ return "";
+ }
+
+ get_unicode_string(); // type
+
+ f->get_64(); // Metadata offset
+ uint32_t flags = f->get_32();
+ f->get_64(); // UID
+
+ if (flags & ResourceFormatSaverBinaryInstance::FORMAT_FLAG_HAS_SCRIPT_CLASS) {
+ return get_unicode_string();
+ } else {
+ return String();
+ }
+}
+
Ref<Resource> ResourceFormatLoaderBinary::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress, CacheMode p_cache_mode) {
if (r_error) {
*r_error = ERR_FILE_CANT_OPEN;
@@ -1299,6 +1355,9 @@ Error ResourceFormatLoaderBinary::rename_dependencies(const String &p_path, cons
fw->store_32(flags);
fw->store_64(uid_data);
+ if (flags & ResourceFormatSaverBinaryInstance::FORMAT_FLAG_HAS_SCRIPT_CLASS) {
+ save_ustring(fw, get_ustring(f));
+ }
for (int i = 0; i < ResourceFormatSaverBinaryInstance::RESERVED_FIELDS; i++) {
fw->store_32(0); // reserved
@@ -1420,6 +1479,18 @@ String ResourceFormatLoaderBinary::get_resource_type(const String &p_path) const
return ClassDB::get_compatibility_remapped_class(r);
}
+String ResourceFormatLoaderBinary::get_resource_script_class(const String &p_path) const {
+ Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
+ if (f.is_null()) {
+ return ""; //could not read
+ }
+
+ ResourceLoaderBinary loader;
+ loader.local_path = ProjectSettings::get_singleton()->localize_path(p_path);
+ loader.res_path = loader.local_path;
+ return loader.recognize_script_class(f);
+}
+
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)) {
@@ -2037,15 +2108,31 @@ Error ResourceFormatSaverBinaryInstance::save(const String &p_path, const Ref<Re
save_unicode_string(f, _resource_get_class(p_resource));
f->store_64(0); //offset to import metadata
+
+ String script_class;
{
uint32_t format_flags = FORMAT_FLAG_NAMED_SCENE_IDS | FORMAT_FLAG_UIDS;
#ifdef REAL_T_IS_DOUBLE
format_flags |= FORMAT_FLAG_REAL_T_IS_DOUBLE;
#endif
+ if (!p_resource->is_class("PackedScene")) {
+ Ref<Script> s = p_resource->get_script();
+ if (s.is_valid()) {
+ script_class = s->get_global_name();
+ if (!script_class.is_empty()) {
+ format_flags |= ResourceFormatSaverBinaryInstance::FORMAT_FLAG_HAS_SCRIPT_CLASS;
+ }
+ }
+ }
+
f->store_32(format_flags);
}
ResourceUID::ID uid = ResourceSaver::get_resource_id_for_path(p_path, true);
f->store_64(uid);
+ if (!script_class.is_empty()) {
+ save_unicode_string(f, script_class);
+ }
+
for (int i = 0; i < ResourceFormatSaverBinaryInstance::RESERVED_FIELDS; i++) {
f->store_32(0); // reserved
}
@@ -2298,6 +2385,10 @@ Error ResourceFormatSaverBinaryInstance::set_uid(const String &p_path, ResourceU
fw->store_32(flags);
fw->store_64(p_uid);
+ if (flags & ResourceFormatSaverBinaryInstance::FORMAT_FLAG_HAS_SCRIPT_CLASS) {
+ save_ustring(fw, get_ustring(f));
+ }
+
//rest of file
uint8_t b = f->get_8();
while (!f->eof_reached()) {