/*************************************************************************/ /* resource_format_binary.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2018 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_format_binary.h" #include "core/image.h" #include "core/io/file_access_compressed.h" #include "core/io/marshalls.h" #include "core/os/dir_access.h" #include "core/project_settings.h" #include "core/version.h" //#define print_bl(m_what) print_line(m_what) #define print_bl(m_what) (void)(m_what) enum { //numbering must be different from variant, in case new variant types are added (variant must be always contiguous for jumptable optimization) VARIANT_NIL = 1, VARIANT_BOOL = 2, VARIANT_INT = 3, VARIANT_REAL = 4, VARIANT_STRING = 5, VARIANT_VECTOR2 = 10, VARIANT_RECT2 = 11, VARIANT_VECTOR3 = 12, VARIANT_PLANE = 13, VARIANT_QUAT = 14, VARIANT_AABB = 15, VARIANT_MATRIX3 = 16, VARIANT_TRANSFORM = 17, VARIANT_MATRIX32 = 18, VARIANT_COLOR = 20, VARIANT_NODE_PATH = 22, VARIANT_RID = 23, VARIANT_OBJECT = 24, VARIANT_INPUT_EVENT = 25, VARIANT_DICTIONARY = 26, VARIANT_ARRAY = 30, VARIANT_RAW_ARRAY = 31, VARIANT_INT_ARRAY = 32, VARIANT_REAL_ARRAY = 33, VARIANT_STRING_ARRAY = 34, VARIANT_VECTOR3_ARRAY = 35, VARIANT_COLOR_ARRAY = 36, VARIANT_VECTOR2_ARRAY = 37, VARIANT_INT64 = 40, VARIANT_DOUBLE = 41, #ifndef DISABLE_DEPRECATED VARIANT_IMAGE = 21, // - no longer variant type IMAGE_ENCODING_EMPTY = 0, IMAGE_ENCODING_RAW = 1, IMAGE_ENCODING_LOSSLESS = 2, IMAGE_ENCODING_LOSSY = 3, #endif OBJECT_EMPTY = 0, OBJECT_EXTERNAL_RESOURCE = 1, OBJECT_INTERNAL_RESOURCE = 2, OBJECT_EXTERNAL_RESOURCE_INDEX = 3, //version 2: added 64 bits support for float and int //version 3: changed nodepath encoding FORMAT_VERSION = 3, FORMAT_VERSION_CAN_RENAME_DEPS = 1, FORMAT_VERSION_NO_NODEPATH_PROPERTY = 3, }; void ResourceInteractiveLoaderBinary::_advance_padding(uint32_t p_len) { uint32_t extra = 4 - (p_len % 4); if (extra < 4) { for (uint32_t i = 0; i < extra; i++) f->get_8(); //pad to 32 } } StringName ResourceInteractiveLoaderBinary::_get_string() { uint32_t id = f->get_32(); if (id & 0x80000000) { uint32_t len = id & 0x7FFFFFFF; if (len > str_buf.size()) { str_buf.resize(len); } if (len == 0) return StringName(); f->get_buffer((uint8_t *)&str_buf[0], len); String s; s.parse_utf8(&str_buf[0]); return s; } return string_map[id]; } Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) { uint32_t type = f->get_32(); print_bl("find property of type: " + itos(type)); switch (type) { case VARIANT_NIL: { r_v = Variant(); } break; case VARIANT_BOOL: { r_v = bool(f->get_32()); } break; case VARIANT_INT: { r_v = int(f->get_32()); } break; case VARIANT_INT64: { r_v = int64_t(f->get_64()); } break; case VARIANT_REAL: { r_v = f->get_real(); } break; case VARIANT_DOUBLE: { r_v = f->get_double(); } break; case VARIANT_STRING: { r_v = get_unicode_string(); } break; case VARIANT_VECTOR2: { Vector2 v; v.x = f->get_real(); v.y = f->get_real(); r_v = v; } break; case VARIANT_RECT2: { Rect2 v; v.position.x = f->get_real(); v.position.y = f->get_real(); v.size.x = f->get_real(); v.size.y = f->get_real(); r_v = v; } break; case VARIANT_VECTOR3: { Vector3 v; v.x = f->get_real(); v.y = f->get_real(); v.z = f->get_real(); r_v = v; } break; case VARIANT_PLANE: { Plane v; v.normal.x = f->get_real(); v.normal.y = f->get_real(); v.normal.z = f->get_real(); v.d = f->get_real(); r_v = v; } break; case VARIANT_QUAT: { Quat v; v.x = f->get_real(); v.y = f->get_real(); v.z = f->get_real(); v.w = f->get_real(); r_v = v; } break; case VARIANT_AABB: { AABB v; v.position.x = f->get_real(); v.position.y = f->get_real(); v.position.z = f->get_real(); v.size.x = f->get_real(); v.size.y = f->get_real(); v.size.z = f->get_real(); r_v = v; } break; case VARIANT_MATRIX32: { Transform2D v; v.elements[0].x = f->get_real(); v.elements[0].y = f->get_real(); v.elements[1].x = f->get_real(); v.elements[1].y = f->get_real(); v.elements[2].x = f->get_real(); v.elements[2].y = f->get_real(); r_v = v; } break; case VARIANT_MATRIX3: { Basis v; v.elements[0].x = f->get_real(); v.elements[0].y = f->get_real(); v.elements[0].z = f->get_real(); v.elements[1].x = f->get_real(); v.elements[1].y = f->get_real(); v.elements[1].z = f->get_real(); v.elements[2].x = f->get_real(); v.elements[2].y = f->get_real(); v.elements[2].z = f->get_real(); r_v = v; } break; case VARIANT_TRANSFORM: { Transform v; v.basis.elements[0].x = f->get_real(); v.basis.elements[0].y = f->get_real(); v.basis.elements[0].z = f->get_real(); v.basis.elements[1].x = f->get_real(); v.basis.elements[1].y = f->get_real(); v.basis.elements[1].z = f->get_real(); v.basis.elements[2].x = f->get_real(); v.basis.elements[2].y = f->get_real(); v.basis.elements[2].z = f->get_real(); v.origin.x = f->get_real(); v.origin.y = f->get_real(); v.origin.z = f->get_real(); r_v = v; } break; case VARIANT_COLOR: { Color v; v.r = f->get_real(); v.g = f->get_real(); v.b = f->get_real(); v.a = f->get_real(); r_v = v; } break; case VARIANT_NODE_PATH: { Vector names; Vector subnames; bool absolute; int name_count = f->get_16(); uint32_t subname_count = f->get_16(); absolute = subname_count & 0x8000; subname_count &= 0x7FFF; if (ver_format < FORMAT_VERSION_NO_NODEPATH_PROPERTY) { subname_count += 1; // has a property field, so we should count it as well } for (int i = 0; i < name_count; i++) names.push_back(_get_string()); for (uint32_t i = 0; i < subname_count; i++) subnames.push_back(_get_string()); NodePath np = NodePath(names, subnames, absolute); r_v = np; } break; case VARIANT_RID: { r_v = f->get_32(); } break; case VARIANT_OBJECT: { uint32_t type = f->get_32(); switch (type) { case OBJECT_EMPTY: { //do none } break; case OBJECT_INTERNAL_RESOURCE: { uint32_t index = f->get_32(); String path = res_path + "::" + itos(index); RES res = ResourceLoader::load(path); if (res.is_null()) { WARN_PRINT(String("Couldn't load resource: " + path).utf8().get_data()); } r_v = res; } break; case OBJECT_EXTERNAL_RESOURCE: { //old file format, still around for compatibility String type = get_unicode_string(); String path = get_unicode_string(); if (path.find("://") == -1 && path.is_rel_path()) { // path is relative to file being loaded, so convert to a resource path path = ProjectSettings::get_singleton()->localize_path(res_path.get_base_dir().plus_file(path)); } if (remaps.find(path)) { path = remaps[path]; } RES res = ResourceLoader::load(path, type); if (res.is_null()) { WARN_PRINT(String("Couldn't load resource: " + path).utf8().get_data()); } r_v = res; } break; case OBJECT_EXTERNAL_RESOURCE_INDEX: { //new file format, just refers to an index in the external list int erindex = f->get_32(); if (erindex < 0 || erindex >= external_resources.size()) { WARN_PRINT("Broken external resource! (index out of size"); r_v = Variant(); } else { String type = external_resources[erindex].type; String path = external_resources[erindex].path; if (path.find("://") == -1 && path.is_rel_path()) { // path is relative to file being loaded, so convert to a resource path path = ProjectSettings::get_singleton()->localize_path(res_path.get_base_dir().plus_file(path)); } RES res = ResourceLoader::load(path, type); if (res.is_null()) { WARN_PRINT(String("Couldn't load resource: " + path).utf8().get_data()); } r_v = res; } } break; default: { ERR_FAIL_V(ERR_FILE_CORRUPT); } break; } } break; case VARIANT_DICTIONARY: { uint32_t len = f->get_32(); Dictionary d; //last bit means shared len &= 0x7FFFFFFF; for (uint32_t i = 0; i < len; i++) { Variant key; Error err = parse_variant(key); ERR_FAIL_COND_V(err, ERR_FILE_CORRUPT); Variant value; err = parse_variant(value); ERR_FAIL_COND_V(err, ERR_FILE_CORRUPT); d[key] = value; } r_v = d; } break; case VARIANT_ARRAY: { uint32_t len = f->get_32(); Array a; //last bit means shared len &= 0x7FFFFFFF; a.resize(len); for (uint32_t i = 0; i < len; i++) { Variant val; Error err = parse_variant(val); ERR_FAIL_COND_V(err, ERR_FILE_CORRUPT); a[i] = val; } r_v = a; } break; case VARIANT_RAW_ARRAY: { uint32_t len = f->get_32(); PoolVector array; array.resize(len); PoolVector::Write w = array.write(); f->get_buffer(w.ptr(), len); _advance_padding(len); w = PoolVector::Write(); r_v = array; } break; case VARIANT_INT_ARRAY: { uint32_t len = f->get_32(); PoolVector array; array.resize(len); PoolVector::Write w = array.write(); f->get_buffer((uint8_t *)w.ptr(), len * 4); #ifdef BIG_ENDIAN_ENABLED { uint32_t *ptr = (uint32_t *)w.ptr(); for (int i = 0; i < len; i++) { ptr[i] = BSWAP32(ptr[i]); } } #endif w = PoolVector::Write(); r_v = array; } break; case VARIANT_REAL_ARRAY: { uint32_t len = f->get_32(); PoolVector array; array.resize(len); PoolVector::Write w = array.write(); f->get_buffer((uint8_t *)w.ptr(), len * sizeof(real_t)); #ifdef BIG_ENDIAN_ENABLED { uint32_t *ptr = (uint32_t *)w.ptr(); for (int i = 0; i < len; i++) { ptr[i] = BSWAP32(ptr[i]); } } #endif w = PoolVector::Write(); r_v = array; } break; case VARIANT_STRING_ARRAY: { uint32_t len = f->get_32(); PoolVector array; array.resize(len); PoolVector::Write w = array.write(); for (uint32_t i = 0; i < len; i++) w[i] = get_unicode_string(); w = PoolVector::Write(); r_v = array; } break; case VARIANT_VECTOR2_ARRAY: { uint32_t len = f->get_32(); PoolVector array; array.resize(len); PoolVector::Write w = array.write(); if (sizeof(Vector2) == 8) { f->get_buffer((uint8_t *)w.ptr(), len * sizeof(real_t) * 2); #ifdef BIG_ENDIAN_ENABLED { uint32_t *ptr = (uint32_t *)w.ptr(); for (int i = 0; i < len * 2; i++) { ptr[i] = BSWAP32(ptr[i]); } } #endif } else { ERR_EXPLAIN("Vector2 size is NOT 8!"); ERR_FAIL_V(ERR_UNAVAILABLE); } w = PoolVector::Write(); r_v = array; } break; case VARIANT_VECTOR3_ARRAY: { uint32_t len = f->get_32(); PoolVector array; array.resize(len); PoolVector::Write w = array.write(); if (sizeof(Vector3) == 12) { f->get_buffer((uint8_t *)w.ptr(), len * sizeof(real_t) * 3); #ifdef BIG_ENDIAN_ENABLED { uint32_t *ptr = (uint32_t *)w.ptr(); for (int i = 0; i < len * 3; i++) { ptr[i] = BSWAP32(ptr[i]); } } #endif } else { ERR_EXPLAIN("Vector3 size is NOT 12!"); ERR_FAIL_V(ERR_UNAVAILABLE); } w = PoolVector::Write(); r_v = array; } break; case VARIANT_COLOR_ARRAY: { uint32_t len = f->get_32(); PoolVector array; array.resize(len); PoolVector::Write w = array.write(); if (sizeof(Color) == 16) { f->get_buffer((uint8_t *)w.ptr(), len * sizeof(real_t) * 4); #ifdef BIG_ENDIAN_ENABLED { uint32_t *ptr = (uint32_t *)w.ptr(); for (int i = 0; i < len * 4; i++) { ptr[i] = BSWAP32(ptr[i]); } } #endif } else { ERR_EXPLAIN("Color size is NOT 16!"); ERR_FAIL_V(ERR_UNAVAILABLE); } w = PoolVector::Write(); r_v = array; } break; #ifndef DISABLE_DEPRECATED case VARIANT_IMAGE: { uint32_t encoding = f->get_32(); if (encoding == IMAGE_ENCODING_EMPTY) { r_v = Ref(); break; } else if (encoding == IMAGE_ENCODING_RAW) { uint32_t width = f->get_32(); uint32_t height = f->get_32(); uint32_t mipmaps = f->get_32(); uint32_t format = f->get_32(); const uint32_t format_version_shift = 24; const uint32_t format_version_mask = format_version_shift - 1; uint32_t format_version = format >> format_version_shift; const uint32_t current_version = 0; if (format_version > current_version) { ERR_PRINT("Format version for encoded binary image is too new"); return ERR_PARSE_ERROR; } Image::Format fmt = Image::Format(format & format_version_mask); //if format changes, we can add a compatibility bit on top uint32_t datalen = f->get_32(); PoolVector imgdata; imgdata.resize(datalen); PoolVector::Write w = imgdata.write(); f->get_buffer(w.ptr(), datalen); _advance_padding(datalen); w = PoolVector::Write(); Ref image; image.instance(); image->create(width, height, mipmaps, fmt, imgdata); r_v = image; } else { //compressed PoolVector data; data.resize(f->get_32()); PoolVector::Write w = data.write(); f->get_buffer(w.ptr(), data.size()); w = PoolVector::Write(); Ref image; if (encoding == IMAGE_ENCODING_LOSSY && Image::lossy_unpacker) { image = Image::lossy_unpacker(data); } else if (encoding == IMAGE_ENCODING_LOSSLESS && Image::lossless_unpacker) { image = Image::lossless_unpacker(data); } _advance_padding(data.size()); r_v = image; } } break; #endif default: { ERR_FAIL_V(ERR_FILE_CORRUPT); } break; } return OK; //never reach anyway } void ResourceInteractiveLoaderBinary::set_local_path(const String &p_local_path) { res_path = p_local_path; } Ref ResourceInteractiveLoaderBinary::get_resource() { return resource; } Error ResourceInteractiveLoaderBinary::poll() { if (error != OK) return error; int s = stage; if (s < external_resources.size()) { String path = external_resources[s].path; if (remaps.has(path)) { path = remaps[path]; } RES res = ResourceLoader::load(path, external_resources[s].type); if (res.is_null()) { if (!ResourceLoader::get_abort_on_missing_resources()) { ResourceLoader::notify_dependency_error(local_path, path, external_resources[s].type); } else { error = ERR_FILE_MISSING_DEPENDENCIES; ERR_EXPLAIN("Can't load dependency: " + path); ERR_FAIL_V(error); } } else { resource_cache.push_back(res); } stage++; return error; } s -= external_resources.size(); if (s >= internal_resources.size()) { error = ERR_BUG; ERR_FAIL_COND_V(s >= internal_resources.size(), error); } bool main = s == (internal_resources.size() - 1); //maybe it is loaded already String path; int subindex = 0; if (!main) { path = internal_resources[s].path; if (path.begins_with("local://")) { path = path.replace_first("local://", ""); subindex = path.to_int(); path = res_path + "::" + path; } if (ResourceCache::has(path)) { //already loaded, don't do anything stage++; error = OK; return error; } } else { if (!ResourceCache::has(res_path)) path = res_path; } uint64_t offset = internal_resources[s].offset; f->seek(offset); String t = get_unicode_string(); Object *obj = ClassDB::instance(t); if (!obj) { error = ERR_FILE_CORRUPT; ERR_EXPLAIN(local_path + ":Resource of unrecognized type in file: " + t); } ERR_FAIL_COND_V(!obj, ERR_FILE_CORRUPT); Resource *r = Object::cast_to(obj); if (!r) { error = ERR_FILE_CORRUPT; memdelete(obj); //bye ERR_EXPLAIN(local_path + ":Resource type in resource field not a resource, type is: " + obj->get_class()); ERR_FAIL_COND_V(!r, ERR_FILE_CORRUPT); } RES res = RES(r); r->set_path(path); r->set_subindex(subindex); int pc = f->get_32(); //set properties for (int i = 0; i < pc; i++) { StringName name = _get_string(); if (name == StringName()) { error = ERR_FILE_CORRUPT; ERR_FAIL_V(ERR_FILE_CORRUPT); } Variant value; error = parse_variant(value); if (error) return error; res->set(name, value); } #ifdef TOOLS_ENABLED res->set_edited(false); #endif stage++; resource_cache.push_back(res); if (main) { f->close(); resource = res; resource->set_as_translation_remapped(translation_remapped); error = ERR_FILE_EOF; } else { error = OK; } return OK; } int ResourceInteractiveLoaderBinary::get_stage() const { return stage; } int ResourceInteractiveLoaderBinary::get_stage_count() const { return external_resources.size() + internal_resources.size(); } void ResourceInteractiveLoaderBinary::set_translation_remapped(bool p_remapped) { translation_remapped = p_remapped; } static void save_ustring(FileAccess *f, const String &p_string) { CharString utf8 = p_string.utf8(); f->store_32(utf8.length() + 1); f->store_buffer((const uint8_t *)utf8.get_data(), utf8.length() + 1); } static String get_ustring(FileAccess *f) { int len = f->get_32(); Vector str_buf; str_buf.resize(len); f->get_buffer((uint8_t *)&str_buf[0], len); String s; s.parse_utf8(&str_buf[0]); return s; } String ResourceInteractiveLoaderBinary::get_unicode_string() { int len = f->get_32(); if (len > str_buf.size()) { str_buf.resize(len); } if (len == 0) return String(); f->get_buffer((uint8_t *)&str_buf[0], len); String s; s.parse_utf8(&str_buf[0]); return s; } void ResourceInteractiveLoaderBinary::get_dependencies(FileAccess *p_f, List *p_dependencies, bool p_add_types) { open(p_f); if (error) return; for (int i = 0; i < external_resources.size(); i++) { String dep = external_resources[i].path; if (p_add_types && external_resources[i].type != String()) { dep += "::" + external_resources[i].type; } p_dependencies->push_back(dep); } } void ResourceInteractiveLoaderBinary::open(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 FileAccessCompressed *fac = memnew(FileAccessCompressed); fac->open_after_magic(f); f = fac; } else if (header[0] != 'R' || header[1] != 'S' || header[2] != 'R' || header[3] != 'C') { //not normal error = ERR_FILE_UNRECOGNIZED; ERR_EXPLAIN("Unrecognized binary resource file: " + local_path); ERR_FAIL(); } bool big_endian = f->get_32(); bool use_real64 = f->get_32(); f->set_endian_swap(big_endian != 0); //read big endian if saved as big endian uint32_t ver_major = f->get_32(); uint32_t ver_minor = f->get_32(); ver_format = f->get_32(); print_bl("big endian: " + itos(big_endian)); #ifdef BIG_ENDIAN_ENABLED print_bl("endian swap: " + itos(!big_endian)); #else print_bl("endian swap: " + itos(big_endian)); #endif print_bl("real64: " + itos(use_real64)); print_bl("major: " + itos(ver_major)); print_bl("minor: " + itos(ver_minor)); print_bl("format: " + itos(ver_format)); if (ver_format > FORMAT_VERSION || ver_major > VERSION_MAJOR) { f->close(); ERR_EXPLAIN("File Format '" + itos(FORMAT_VERSION) + "." + itos(ver_major) + "." + itos(ver_minor) + "' is too new! Please upgrade to a new engine version: " + local_path); ERR_FAIL(); } type = get_unicode_string(); print_bl("type: " + type); importmd_ofs = f->get_64(); for (int i = 0; i < 14; i++) f->get_32(); //skip a few reserved fields uint32_t string_table_size = f->get_32(); string_map.resize(string_table_size); for (uint32_t i = 0; i < string_table_size; i++) { StringName s = get_unicode_string(); string_map.write[i] = s; } print_bl("strings: " + itos(string_table_size)); uint32_t ext_resources_size = f->get_32(); for (uint32_t i = 0; i < ext_resources_size; i++) { ExtResource er; er.type = get_unicode_string(); er.path = get_unicode_string(); external_resources.push_back(er); } print_bl("ext resources: " + itos(ext_resources_size)); uint32_t int_resources_size = f->get_32(); for (uint32_t i = 0; i < int_resources_size; i++) { IntResource ir; ir.path = get_unicode_string(); ir.offset = f->get_64(); internal_resources.push_back(ir); } print_bl("int resources: " + itos(int_resources_size)); if (f->eof_reached()) { error = ERR_FILE_CORRUPT; ERR_EXPLAIN("Premature End Of File: " + local_path); ERR_FAIL(); } } String ResourceInteractiveLoaderBinary::recognize(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 FileAccessCompressed *fac = memnew(FileAccessCompressed); fac->open_after_magic(f); f = fac; } else if (header[0] != 'R' || header[1] != 'S' || header[2] != 'R' || header[3] != 'C') { //not normal error = ERR_FILE_UNRECOGNIZED; return ""; } bool big_endian = f->get_32(); f->get_32(); // use_real64 f->set_endian_swap(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_format = f->get_32(); if (ver_format > FORMAT_VERSION || ver_major > VERSION_MAJOR) { f->close(); return ""; } String type = get_unicode_string(); return type; } ResourceInteractiveLoaderBinary::ResourceInteractiveLoaderBinary() : translation_remapped(false), f(NULL), error(OK), stage(0) { } ResourceInteractiveLoaderBinary::~ResourceInteractiveLoaderBinary() { if (f) memdelete(f); } Ref ResourceFormatLoaderBinary::load_interactive(const String &p_path, const String &p_original_path, Error *r_error) { if (r_error) *r_error = ERR_FILE_CANT_OPEN; Error err; FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err); if (err != OK) { ERR_FAIL_COND_V(err != OK, Ref()); } Ref ria = memnew(ResourceInteractiveLoaderBinary); String path = p_original_path != "" ? p_original_path : p_path; ria->local_path = ProjectSettings::get_singleton()->localize_path(path); ria->res_path = ria->local_path; //ria->set_local_path( Globals::get_singleton()->localize_path(p_path) ); ria->open(f); return ria; } void ResourceFormatLoaderBinary::get_recognized_extensions_for_type(const String &p_type, List *p_extensions) const { if (p_type == "") { get_recognized_extensions(p_extensions); return; } List extensions; ClassDB::get_extensions_for_type(p_type, &extensions); extensions.sort(); for (List::Element *E = extensions.front(); E; E = E->next()) { String ext = E->get().to_lower(); p_extensions->push_back(ext); } } void ResourceFormatLoaderBinary::get_recognized_extensions(List *p_extensions) const { List extensions; ClassDB::get_resource_base_extensions(&extensions); extensions.sort(); for (List::Element *E = extensions.front(); E; E = E->next()) { String ext = E->get().to_lower(); p_extensions->push_back(ext); } } bool ResourceFormatLoaderBinary::handles_type(const String &p_type) const { return true; //handles all } void ResourceFormatLoaderBinary::get_dependencies(const String &p_path, List *p_dependencies, bool p_add_types) { FileAccess *f = FileAccess::open(p_path, FileAccess::READ); ERR_FAIL_COND(!f); Ref ria = memnew(ResourceInteractiveLoaderBinary); ria->local_path = ProjectSettings::get_singleton()->localize_path(p_path); ria->res_path = ria->local_path; //ria->set_local_path( Globals::get_singleton()->localize_path(p_path) ); ria->get_dependencies(f, p_dependencies, p_add_types); } Error ResourceFormatLoaderBinary::rename_dependencies(const String &p_path, const Map &p_map) { //Error error=OK; FileAccess *f = FileAccess::open(p_path, FileAccess::READ); ERR_FAIL_COND_V(!f, ERR_CANT_OPEN); FileAccess *fw = NULL; //=FileAccess::open(p_path+".depren"); String local_path = p_path.get_base_dir(); uint8_t header[4]; f->get_buffer(header, 4); if (header[0] == 'R' && header[1] == 'S' && header[2] == 'C' && header[3] == 'C') { //compressed FileAccessCompressed *fac = memnew(FileAccessCompressed); fac->open_after_magic(f); f = fac; FileAccessCompressed *facw = memnew(FileAccessCompressed); facw->configure("RSCC"); Error err = facw->_open(p_path + ".depren", FileAccess::WRITE); if (err) { memdelete(fac); memdelete(facw); ERR_FAIL_COND_V(err, ERR_FILE_CORRUPT); } fw = facw; } else if (header[0] != 'R' || header[1] != 'S' || header[2] != 'R' || header[3] != 'C') { //not normal //error=ERR_FILE_UNRECOGNIZED; memdelete(f); ERR_EXPLAIN("Unrecognized binary resource file: " + local_path); ERR_FAIL_V(ERR_FILE_UNRECOGNIZED); } else { fw = FileAccess::open(p_path + ".depren", FileAccess::WRITE); if (!fw) { memdelete(f); } ERR_FAIL_COND_V(!fw, ERR_CANT_CREATE); uint8_t magic[4] = { 'R', 'S', 'R', 'C' }; fw->store_buffer(magic, 4); } bool big_endian = f->get_32(); bool use_real64 = f->get_32(); f->set_endian_swap(big_endian != 0); //read big endian if saved as big endian #ifdef BIG_ENDIAN_ENABLED fw->store_32(!big_endian); #else fw->store_32(big_endian); #endif fw->set_endian_swap(big_endian != 0); fw->store_32(use_real64); //use real64 uint32_t ver_major = f->get_32(); uint32_t ver_minor = f->get_32(); uint32_t ver_format = f->get_32(); if (ver_format < FORMAT_VERSION_CAN_RENAME_DEPS) { memdelete(f); memdelete(fw); DirAccess *da = DirAccess::create(DirAccess::ACCESS_FILESYSTEM); da->remove(p_path + ".depren"); memdelete(da); //use the old approach WARN_PRINT(("This file is old, so it can't refactor dependencies, opening and resaving: " + p_path).utf8().get_data()); Error err; f = FileAccess::open(p_path, FileAccess::READ, &err); if (err != OK) { ERR_FAIL_COND_V(err != OK, ERR_FILE_CANT_OPEN); } Ref ria = memnew(ResourceInteractiveLoaderBinary); ria->local_path = ProjectSettings::get_singleton()->localize_path(p_path); ria->res_path = ria->local_path; ria->remaps = p_map; //ria->set_local_path( Globals::get_singleton()->localize_path(p_path) ); ria->open(f); err = ria->poll(); while (err == OK) { err = ria->poll(); } ERR_FAIL_COND_V(err != ERR_FILE_EOF, ERR_FILE_CORRUPT); RES res = ria->get_resource(); ERR_FAIL_COND_V(!res.is_valid(), ERR_FILE_CORRUPT); return ResourceFormatSaverBinary::singleton->save(p_path, res); } if (ver_format > FORMAT_VERSION || ver_major > VERSION_MAJOR) { memdelete(f); memdelete(fw); ERR_EXPLAIN("File Format '" + itos(FORMAT_VERSION) + "." + itos(ver_major) + "." + itos(ver_minor) + "' is too new! Please upgrade to a new engine version: " + local_path); ERR_FAIL_V(ERR_FILE_UNRECOGNIZED); } // Since we're not actually converting the file contents, leave the version // numbers in the file untouched. fw->store_32(ver_major); fw->store_32(ver_minor); fw->store_32(ver_format); save_ustring(fw, get_ustring(f)); //type size_t md_ofs = f->get_position(); size_t importmd_ofs = f->get_64(); fw->store_64(0); //metadata offset for (int i = 0; i < 14; i++) { fw->store_32(0); f->get_32(); } //string table uint32_t string_table_size = f->get_32(); fw->store_32(string_table_size); for (uint32_t i = 0; i < string_table_size; i++) { String s = get_ustring(f); save_ustring(fw, s); } //external resources uint32_t ext_resources_size = f->get_32(); fw->store_32(ext_resources_size); for (uint32_t i = 0; i < ext_resources_size; i++) { String type = get_ustring(f); String path = get_ustring(f); bool relative = false; if (!path.begins_with("res://")) { path = local_path.plus_file(path).simplify_path(); relative = true; } if (p_map.has(path)) { String np = p_map[path]; path = np; } if (relative) { //restore relative path = local_path.path_to_file(path); } save_ustring(fw, type); save_ustring(fw, path); } int64_t size_diff = (int64_t)fw->get_position() - (int64_t)f->get_position(); //internal resources uint32_t int_resources_size = f->get_32(); fw->store_32(int_resources_size); for (uint32_t i = 0; i < int_resources_size; i++) { String path = get_ustring(f); uint64_t offset = f->get_64(); save_ustring(fw, path); fw->store_64(offset + size_diff); } //rest of file uint8_t b = f->get_8(); while (!f->eof_reached()) { fw->store_8(b); b = f->get_8(); } bool all_ok = fw->get_error() == OK; fw->seek(md_ofs); fw->store_64(importmd_ofs + size_diff); memdelete(f); memdelete(fw); if (!all_ok) { return ERR_CANT_CREATE; } DirAccess *da = DirAccess::create(DirAccess::ACCESS_RESOURCES); da->remove(p_path); da->rename(p_path + ".depren", p_path); memdelete(da); return OK; } String ResourceFormatLoaderBinary::get_resource_type(const String &p_path) const { FileAccess *f = FileAccess::open(p_path, FileAccess::READ); if (!f) { return ""; //could not rwead } Ref ria = memnew(ResourceInteractiveLoaderBinary); ria->local_path = ProjectSettings::get_singleton()->localize_path(p_path); ria->res_path = ria->local_path; //ria->set_local_path( Globals::get_singleton()->localize_path(p_path) ); String r = ria->recognize(f); return r; } /////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////// /////////////////////////////////////////////////////////// void ResourceFormatSaverBinaryInstance::_pad_buffer(FileAccess *f, int p_bytes) { int extra = 4 - (p_bytes % 4); if (extra < 4) { for (int i = 0; i < extra; i++) f->store_8(0); //pad to 32 } } void ResourceFormatSaverBinaryInstance::_write_variant(const Variant &p_property, const PropertyInfo &p_hint) { write_variant(f, p_property, resource_set, external_resources, string_map, p_hint); } void ResourceFormatSaverBinaryInstance::write_variant(FileAccess *f, const Variant &p_property, Set &resource_set, Map &external_resources, Map &string_map, const PropertyInfo &p_hint) { switch (p_property.get_type()) { case Variant::NIL: { f->store_32(VARIANT_NIL); // don't store anything } break; case Variant::BOOL: { f->store_32(VARIANT_BOOL); bool val = p_property; f->store_32(val); } break; case Variant::INT: { int64_t val = p_property; if (val > 0x7FFFFFFF || val < -(int64_t)0x80000000) { f->store_32(VARIANT_INT64); f->store_64(val); } else { f->store_32(VARIANT_INT); int val = p_property; f->store_32(int32_t(val)); } } break; case Variant::REAL: { double d = p_property; float fl = d; if (double(fl) != d) { f->store_32(VARIANT_DOUBLE); f->store_double(d); } else { f->store_32(VARIANT_REAL); f->store_real(fl); } } break; case Variant::STRING: { f->store_32(VARIANT_STRING); String val = p_property; save_unicode_string(f, val); } break; case Variant::VECTOR2: { f->store_32(VARIANT_VECTOR2); Vector2 val = p_property; f->store_real(val.x); f->store_real(val.y); } break; case Variant::RECT2: { f->store_32(VARIANT_RECT2); Rect2 val = p_property; f->store_real(val.position.x); f->store_real(val.position.y); f->store_real(val.size.x); f->store_real(val.size.y); } break; case Variant::VECTOR3: { f->store_32(VARIANT_VECTOR3); Vector3 val = p_property; f->store_real(val.x); f->store_real(val.y); f->store_real(val.z); } break; case Variant::PLANE: { f->store_32(VARIANT_PLANE); Plane val = p_property; f->store_real(val.normal.x); f->store_real(val.normal.y); f->store_real(val.normal.z); f->store_real(val.d); } break; case Variant::QUAT: { f->store_32(VARIANT_QUAT); Quat val = p_property; f->store_real(val.x); f->store_real(val.y); f->store_real(val.z); f->store_real(val.w); } break; case Variant::AABB: { f->store_32(VARIANT_AABB); AABB val = p_property; f->store_real(val.position.x); f->store_real(val.position.y); f->store_real(val.position.z); f->store_real(val.size.x); f->store_real(val.size.y); f->store_real(val.size.z); } break; case Variant::TRANSFORM2D: { f->store_32(VARIANT_MATRIX32); Transform2D val = p_property; f->store_real(val.elements[0].x); f->store_real(val.elements[0].y); f->store_real(val.elements[1].x); f->store_real(val.elements[1].y); f->store_real(val.elements[2].x); f->store_real(val.elements[2].y); } break; case Variant::BASIS: { f->store_32(VARIANT_MATRIX3); Basis val = p_property; f->store_real(val.elements[0].x); f->store_real(val.elements[0].y); f->store_real(val.elements[0].z); f->store_real(val.elements[1].x); f->store_real(val.elements[1].y); f->store_real(val.elements[1].z); f->store_real(val.elements[2].x); f->store_real(val.elements[2].y); f->store_real(val.elements[2].z); } break; case Variant::TRANSFORM: { f->store_32(VARIANT_TRANSFORM); Transform val = p_property; f->store_real(val.basis.elements[0].x); f->store_real(val.basis.elements[0].y); f->store_real(val.basis.elements[0].z); f->store_real(val.basis.elements[1].x); f->store_real(val.basis.elements[1].y); f->store_real(val.basis.elements[1].z); f->store_real(val.basis.elements[2].x); f->store_real(val.basis.elements[2].y); f->store_real(val.basis.elements[2].z); f->store_real(val.origin.x); f->store_real(val.origin.y); f->store_real(val.origin.z); } break; case Variant::COLOR: { f->store_32(VARIANT_COLOR); Color val = p_property; f->store_real(val.r); f->store_real(val.g); f->store_real(val.b); f->store_real(val.a); } break; case Variant::NODE_PATH: { f->store_32(VARIANT_NODE_PATH); NodePath np = p_property; f->store_16(np.get_name_count()); uint16_t snc = np.get_subname_count(); if (np.is_absolute()) snc |= 0x8000; f->store_16(snc); for (int i = 0; i < np.get_name_count(); i++) { if (string_map.has(np.get_name(i))) { f->store_32(string_map[np.get_name(i)]); } else { save_unicode_string(f, np.get_name(i), true); } } for (int i = 0; i < np.get_subname_count(); i++) { if (string_map.has(np.get_subname(i))) { f->store_32(string_map[np.get_subname(i)]); } else { save_unicode_string(f, np.get_subname(i), true); } } } break; case Variant::_RID: { f->store_32(VARIANT_RID); WARN_PRINT("Can't save RIDs"); RID val = p_property; f->store_32(val.get_id()); } break; case Variant::OBJECT: { f->store_32(VARIANT_OBJECT); RES res = p_property; if (res.is_null()) { f->store_32(OBJECT_EMPTY); return; // don't save it } if (res->get_path().length() && res->get_path().find("::") == -1) { f->store_32(OBJECT_EXTERNAL_RESOURCE_INDEX); f->store_32(external_resources[res]); } else { if (!resource_set.has(res)) { f->store_32(OBJECT_EMPTY); ERR_EXPLAIN("Resource was not pre cached for the resource section, bug?"); ERR_FAIL(); } f->store_32(OBJECT_INTERNAL_RESOURCE); f->store_32(res->get_subindex()); //internal resource } } break; case Variant::DICTIONARY: { f->store_32(VARIANT_DICTIONARY); Dictionary d = p_property; f->store_32(uint32_t(d.size())); List keys; d.get_key_list(&keys); for (List::Element *E = keys.front(); E; E = E->next()) { /* if (!_check_type(dict[E->get()])) continue; */ write_variant(f, E->get(), resource_set, external_resources, string_map); write_variant(f, d[E->get()], resource_set, external_resources, string_map); } } break; case Variant::ARRAY: { f->store_32(VARIANT_ARRAY); Array a = p_property; f->store_32(uint32_t(a.size())); for (int i = 0; i < a.size(); i++) { write_variant(f, a[i], resource_set, external_resources, string_map); } } break; case Variant::POOL_BYTE_ARRAY: { f->store_32(VARIANT_RAW_ARRAY); PoolVector arr = p_property; int len = arr.size(); f->store_32(len); PoolVector::Read r = arr.read(); f->store_buffer(r.ptr(), len); _pad_buffer(f, len); } break; case Variant::POOL_INT_ARRAY: { f->store_32(VARIANT_INT_ARRAY); PoolVector arr = p_property; int len = arr.size(); f->store_32(len); PoolVector::Read r = arr.read(); for (int i = 0; i < len; i++) f->store_32(r[i]); } break; case Variant::POOL_REAL_ARRAY: { f->store_32(VARIANT_REAL_ARRAY); PoolVector arr = p_property; int len = arr.size(); f->store_32(len); PoolVector::Read r = arr.read(); for (int i = 0; i < len; i++) { f->store_real(r[i]); } } break; case Variant::POOL_STRING_ARRAY: { f->store_32(VARIANT_STRING_ARRAY); PoolVector arr = p_property; int len = arr.size(); f->store_32(len); PoolVector::Read r = arr.read(); for (int i = 0; i < len; i++) { save_unicode_string(f, r[i]); } } break; case Variant::POOL_VECTOR3_ARRAY: { f->store_32(VARIANT_VECTOR3_ARRAY); PoolVector arr = p_property; int len = arr.size(); f->store_32(len); PoolVector::Read r = arr.read(); for (int i = 0; i < len; i++) { f->store_real(r[i].x); f->store_real(r[i].y); f->store_real(r[i].z); } } break; case Variant::POOL_VECTOR2_ARRAY: { f->store_32(VARIANT_VECTOR2_ARRAY); PoolVector arr = p_property; int len = arr.size(); f->store_32(len); PoolVector::Read r = arr.read(); for (int i = 0; i < len; i++) { f->store_real(r[i].x); f->store_real(r[i].y); } } break; case Variant::POOL_COLOR_ARRAY: { f->store_32(VARIANT_COLOR_ARRAY); PoolVector arr = p_property; int len = arr.size(); f->store_32(len); PoolVector::Read r = arr.read(); for (int i = 0; i < len; i++) { f->store_real(r[i].r); f->store_real(r[i].g); f->store_real(r[i].b); f->store_real(r[i].a); } } break; default: { ERR_EXPLAIN("Invalid variant"); ERR_FAIL(); } } } void ResourceFormatSaverBinaryInstance::_find_resources(const Variant &p_variant, bool p_main) { switch (p_variant.get_type()) { case Variant::OBJECT: { RES res = p_variant.operator RefPtr(); if (res.is_null() || external_resources.has(res)) return; if (!p_main && (!bundle_resources) && res->get_path().length() && res->get_path().find("::") == -1) { int idx = external_resources.size(); external_resources[res] = idx; return; } if (resource_set.has(res)) return; List property_list; res->get_property_list(&property_list); for (List::Element *E = property_list.front(); E; E = E->next()) { if (E->get().usage & PROPERTY_USAGE_STORAGE) { _find_resources(res->get(E->get().name)); } } resource_set.insert(res); saved_resources.push_back(res); } break; case Variant::ARRAY: { Array varray = p_variant; int len = varray.size(); for (int i = 0; i < len; i++) { Variant v = varray.get(i); _find_resources(v); } } break; case Variant::DICTIONARY: { Dictionary d = p_variant; List keys; d.get_key_list(&keys); for (List::Element *E = keys.front(); E; E = E->next()) { _find_resources(E->get()); Variant v = d[E->get()]; _find_resources(v); } } break; case Variant::NODE_PATH: { //take the chance and save node path strings NodePath np = p_variant; for (int i = 0; i < np.get_name_count(); i++) get_string_index(np.get_name(i)); for (int i = 0; i < np.get_subname_count(); i++) get_string_index(np.get_subname(i)); } break; default: {} } } void ResourceFormatSaverBinaryInstance::save_unicode_string(FileAccess *f, const String &p_string, bool p_bit_on_len) { CharString utf8 = p_string.utf8(); if (p_bit_on_len) { f->store_32((utf8.length() + 1) | 0x80000000); } else { f->store_32(utf8.length() + 1); } f->store_buffer((const uint8_t *)utf8.get_data(), utf8.length() + 1); } int ResourceFormatSaverBinaryInstance::get_string_index(const String &p_string) { StringName s = p_string; if (string_map.has(s)) return string_map[s]; string_map[s] = strings.size(); strings.push_back(s); return strings.size() - 1; } Error ResourceFormatSaverBinaryInstance::save(const String &p_path, const RES &p_resource, uint32_t p_flags) { Error err; if (p_flags & ResourceSaver::FLAG_COMPRESS) { FileAccessCompressed *fac = memnew(FileAccessCompressed); fac->configure("RSCC"); f = fac; err = fac->_open(p_path, FileAccess::WRITE); if (err) memdelete(f); } else { f = FileAccess::open(p_path, FileAccess::WRITE, &err); } ERR_FAIL_COND_V(err, err); relative_paths = p_flags & ResourceSaver::FLAG_RELATIVE_PATHS; skip_editor = p_flags & ResourceSaver::FLAG_OMIT_EDITOR_PROPERTIES; bundle_resources = p_flags & ResourceSaver::FLAG_BUNDLE_RESOURCES; big_endian = p_flags & ResourceSaver::FLAG_SAVE_BIG_ENDIAN; takeover_paths = p_flags & ResourceSaver::FLAG_REPLACE_SUBRESOURCE_PATHS; if (!p_path.begins_with("res://")) takeover_paths = false; local_path = p_path.get_base_dir(); _find_resources(p_resource, true); if (!(p_flags & ResourceSaver::FLAG_COMPRESS)) { //save header compressed static const uint8_t header[4] = { 'R', 'S', 'R', 'C' }; f->store_buffer(header, 4); } if (big_endian) { f->store_32(1); f->set_endian_swap(true); } else f->store_32(0); f->store_32(0); //64 bits file, false for now f->store_32(VERSION_MAJOR); f->store_32(VERSION_MINOR); f->store_32(FORMAT_VERSION); if (f->get_error() != OK && f->get_error() != ERR_FILE_EOF) { f->close(); return ERR_CANT_CREATE; } save_unicode_string(f, p_resource->get_class()); f->store_64(0); //offset to import metadata for (int i = 0; i < 14; i++) f->store_32(0); // reserved List resources; { for (List::Element *E = saved_resources.front(); E; E = E->next()) { ResourceData &rd = resources.push_back(ResourceData())->get(); rd.type = E->get()->get_class(); List property_list; E->get()->get_property_list(&property_list); for (List::Element *F = property_list.front(); F; F = F->next()) { if (skip_editor && F->get().name.begins_with("__editor")) continue; if ((F->get().usage & PROPERTY_USAGE_STORAGE)) { Property p; p.name_idx = get_string_index(F->get().name); p.value = E->get()->get(F->get().name); Variant default_value = ClassDB::class_get_default_property_value(E->get()->get_class(), F->get().name); if (default_value.get_type() != Variant::NIL && bool(Variant::evaluate(Variant::OP_EQUAL, p.value, default_value))) { continue; } p.pi = F->get(); rd.properties.push_back(p); } } } } f->store_32(strings.size()); //string table size for (int i = 0; i < strings.size(); i++) { save_unicode_string(f, strings[i]); } // save external resource table f->store_32(external_resources.size()); //amount of external resources Vector save_order; save_order.resize(external_resources.size()); for (Map::Element *E = external_resources.front(); E; E = E->next()) { save_order.write[E->get()] = E->key(); } for (int i = 0; i < save_order.size(); i++) { save_unicode_string(f, save_order[i]->get_save_class()); String path = save_order[i]->get_path(); path = relative_paths ? local_path.path_to_file(path) : path; save_unicode_string(f, path); } // save internal resource table f->store_32(saved_resources.size()); //amount of internal resources Vector ofs_pos; Set used_indices; for (List::Element *E = saved_resources.front(); E; E = E->next()) { RES r = E->get(); if (r->get_path() == "" || r->get_path().find("::") != -1) { if (r->get_subindex() != 0) { if (used_indices.has(r->get_subindex())) { r->set_subindex(0); //repeated } else { used_indices.insert(r->get_subindex()); } } } } for (List::Element *E = saved_resources.front(); E; E = E->next()) { RES r = E->get(); if (r->get_path() == "" || r->get_path().find("::") != -1) { if (r->get_subindex() == 0) { int new_subindex = 1; if (used_indices.size()) { new_subindex = used_indices.back()->get() + 1; } r->set_subindex(new_subindex); used_indices.insert(new_subindex); } save_unicode_string(f, "local://" + itos(r->get_subindex())); if (takeover_paths) { r->set_path(p_path + "::" + itos(r->get_subindex()), true); } #ifdef TOOLS_ENABLED r->set_edited(false); #endif } else { save_unicode_string(f, r->get_path()); //actual external } ofs_pos.push_back(f->get_position()); f->store_64(0); //offset in 64 bits } Vector ofs_table; //now actually save the resources for (List::Element *E = resources.front(); E; E = E->next()) { ResourceData &rd = E->get(); ofs_table.push_back(f->get_position()); save_unicode_string(f, rd.type); f->store_32(rd.properties.size()); for (List::Element *F = rd.properties.front(); F; F = F->next()) { Property &p = F->get(); f->store_32(p.name_idx); _write_variant(p.value, F->get().pi); } } for (int i = 0; i < ofs_table.size(); i++) { f->seek(ofs_pos[i]); f->store_64(ofs_table[i]); } f->seek_end(); f->store_buffer((const uint8_t *)"RSRC", 4); //magic at end if (f->get_error() != OK && f->get_error() != ERR_FILE_EOF) { f->close(); return ERR_CANT_CREATE; } f->close(); return OK; } Error ResourceFormatSaverBinary::save(const String &p_path, const RES &p_resource, uint32_t p_flags) { String local_path = ProjectSettings::get_singleton()->localize_path(p_path); ResourceFormatSaverBinaryInstance saver; return saver.save(local_path, p_resource, p_flags); } bool ResourceFormatSaverBinary::recognize(const RES &p_resource) const { return true; //all recognized } void ResourceFormatSaverBinary::get_recognized_extensions(const RES &p_resource, List *p_extensions) const { String base = p_resource->get_base_extension().to_lower(); p_extensions->push_back(base); if (base != "res") p_extensions->push_back("res"); } ResourceFormatSaverBinary *ResourceFormatSaverBinary::singleton = NULL; ResourceFormatSaverBinary::ResourceFormatSaverBinary() { singleton = this; }