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resource_format_binary.cpp
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resource_format_binary.cpp
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/**************************************************************************/
/* resource_format_binary.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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/config/project_settings.h"
#include "core/io/dir_access.h"
#include "core/io/file_access_compressed.h"
#include "core/io/image.h"
#include "core/io/marshalls.h"
#include "core/io/missing_resource.h"
#include "core/object/script_language.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_FLOAT = 4,
VARIANT_STRING = 5,
VARIANT_VECTOR2 = 10,
VARIANT_RECT2 = 11,
VARIANT_VECTOR3 = 12,
VARIANT_PLANE = 13,
VARIANT_QUATERNION = 14,
VARIANT_AABB = 15,
VARIANT_BASIS = 16,
VARIANT_TRANSFORM3D = 17,
VARIANT_TRANSFORM2D = 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_PACKED_BYTE_ARRAY = 31,
VARIANT_PACKED_INT32_ARRAY = 32,
VARIANT_PACKED_FLOAT32_ARRAY = 33,
VARIANT_PACKED_STRING_ARRAY = 34,
VARIANT_PACKED_VECTOR3_ARRAY = 35,
VARIANT_PACKED_COLOR_ARRAY = 36,
VARIANT_PACKED_VECTOR2_ARRAY = 37,
VARIANT_INT64 = 40,
VARIANT_DOUBLE = 41,
VARIANT_CALLABLE = 42,
VARIANT_SIGNAL = 43,
VARIANT_STRING_NAME = 44,
VARIANT_VECTOR2I = 45,
VARIANT_RECT2I = 46,
VARIANT_VECTOR3I = 47,
VARIANT_PACKED_INT64_ARRAY = 48,
VARIANT_PACKED_FLOAT64_ARRAY = 49,
VARIANT_VECTOR4 = 50,
VARIANT_VECTOR4I = 51,
VARIANT_PROJECTION = 52,
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.
// Version 4: new string ID for ext/subresources, breaks forward compat.
// 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,
};
void ResourceLoaderBinary::_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
}
}
}
static Error read_reals(real_t *dst, Ref<FileAccess> &f, size_t count) {
if (f->real_is_double) {
if constexpr (sizeof(real_t) == 8) {
// Ideal case with double-precision
f->get_buffer((uint8_t *)dst, count * sizeof(double));
#ifdef BIG_ENDIAN_ENABLED
{
uint64_t *dst = (uint64_t *)dst;
for (size_t i = 0; i < count; i++) {
dst[i] = BSWAP64(dst[i]);
}
}
#endif
} else if constexpr (sizeof(real_t) == 4) {
// May be slower, but this is for compatibility. Eventually the data should be converted.
for (size_t i = 0; i < count; ++i) {
dst[i] = f->get_double();
}
} else {
ERR_FAIL_V_MSG(ERR_UNAVAILABLE, "real_t size is neither 4 nor 8!");
}
} else {
if constexpr (sizeof(real_t) == 4) {
// Ideal case with float-precision
f->get_buffer((uint8_t *)dst, count * sizeof(float));
#ifdef BIG_ENDIAN_ENABLED
{
uint32_t *dst = (uint32_t *)dst;
for (size_t i = 0; i < count; i++) {
dst[i] = BSWAP32(dst[i]);
}
}
#endif
} else if constexpr (sizeof(real_t) == 8) {
for (size_t i = 0; i < count; ++i) {
dst[i] = f->get_float();
}
} else {
ERR_FAIL_V_MSG(ERR_UNAVAILABLE, "real_t size is neither 4 nor 8!");
}
}
return OK;
}
StringName ResourceLoaderBinary::_get_string() {
uint32_t id = f->get_32();
if (id & 0x80000000) {
uint32_t len = id & 0x7FFFFFFF;
if ((int)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 ResourceLoaderBinary::parse_variant(Variant &r_v) {
uint32_t prop_type = f->get_32();
print_bl("find property of type: " + itos(prop_type));
switch (prop_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_FLOAT: {
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_VECTOR2I: {
Vector2i v;
v.x = f->get_32();
v.y = f->get_32();
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_RECT2I: {
Rect2i v;
v.position.x = f->get_32();
v.position.y = f->get_32();
v.size.x = f->get_32();
v.size.y = f->get_32();
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_VECTOR3I: {
Vector3i v;
v.x = f->get_32();
v.y = f->get_32();
v.z = f->get_32();
r_v = v;
} break;
case VARIANT_VECTOR4: {
Vector4 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_VECTOR4I: {
Vector4i v;
v.x = f->get_32();
v.y = f->get_32();
v.z = f->get_32();
v.w = f->get_32();
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_QUATERNION: {
Quaternion 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_TRANSFORM2D: {
Transform2D v;
v.columns[0].x = f->get_real();
v.columns[0].y = f->get_real();
v.columns[1].x = f->get_real();
v.columns[1].y = f->get_real();
v.columns[2].x = f->get_real();
v.columns[2].y = f->get_real();
r_v = v;
} break;
case VARIANT_BASIS: {
Basis v;
v.rows[0].x = f->get_real();
v.rows[0].y = f->get_real();
v.rows[0].z = f->get_real();
v.rows[1].x = f->get_real();
v.rows[1].y = f->get_real();
v.rows[1].z = f->get_real();
v.rows[2].x = f->get_real();
v.rows[2].y = f->get_real();
v.rows[2].z = f->get_real();
r_v = v;
} break;
case VARIANT_TRANSFORM3D: {
Transform3D v;
v.basis.rows[0].x = f->get_real();
v.basis.rows[0].y = f->get_real();
v.basis.rows[0].z = f->get_real();
v.basis.rows[1].x = f->get_real();
v.basis.rows[1].y = f->get_real();
v.basis.rows[1].z = f->get_real();
v.basis.rows[2].x = f->get_real();
v.basis.rows[2].y = f->get_real();
v.basis.rows[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_PROJECTION: {
Projection v;
v.columns[0].x = f->get_real();
v.columns[0].y = f->get_real();
v.columns[0].z = f->get_real();
v.columns[0].w = f->get_real();
v.columns[1].x = f->get_real();
v.columns[1].y = f->get_real();
v.columns[1].z = f->get_real();
v.columns[1].w = f->get_real();
v.columns[2].x = f->get_real();
v.columns[2].y = f->get_real();
v.columns[2].z = f->get_real();
v.columns[2].w = f->get_real();
v.columns[3].x = f->get_real();
v.columns[3].y = f->get_real();
v.columns[3].z = f->get_real();
v.columns[3].w = f->get_real();
r_v = v;
} break;
case VARIANT_COLOR: {
Color v; // Colors should always be in single-precision.
v.r = f->get_float();
v.g = f->get_float();
v.b = f->get_float();
v.a = f->get_float();
r_v = v;
} break;
case VARIANT_STRING_NAME: {
r_v = StringName(get_unicode_string());
} break;
case VARIANT_NODE_PATH: {
Vector<StringName> names;
Vector<StringName> 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 objtype = f->get_32();
switch (objtype) {
case OBJECT_EMPTY: {
//do none
} break;
case OBJECT_INTERNAL_RESOURCE: {
uint32_t index = f->get_32();
String path;
if (using_named_scene_ids) { // New format.
ERR_FAIL_INDEX_V((int)index, internal_resources.size(), ERR_PARSE_ERROR);
path = internal_resources[index].path;
} else {
path += res_path + "::" + itos(index);
}
//always use internal cache for loading internal resources
if (!internal_index_cache.has(path)) {
WARN_PRINT(String("Couldn't load resource (no cache): " + path).utf8().get_data());
r_v = Variant();
} else {
r_v = internal_index_cache[path];
}
} break;
case OBJECT_EXTERNAL_RESOURCE: {
//old file format, still around for compatibility
String exttype = get_unicode_string();
String path = get_unicode_string();
if (!path.contains("://") && path.is_relative_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().path_join(path));
}
if (remaps.find(path)) {
path = remaps[path];
}
Ref<Resource> res = ResourceLoader::load(path, exttype);
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 {
Ref<ResourceLoader::LoadToken> &load_token = external_resources.write[erindex].load_token;
if (load_token.is_valid()) { // If not valid, it's OK since then we know this load accepts broken dependencies.
Error err;
Ref<Resource> res = ResourceLoader::_load_complete(*load_token.ptr(), &err);
if (res.is_null()) {
if (!ResourceLoader::is_cleaning_tasks()) {
if (!ResourceLoader::get_abort_on_missing_resources()) {
ResourceLoader::notify_dependency_error(local_path, external_resources[erindex].path, external_resources[erindex].type);
} else {
error = ERR_FILE_MISSING_DEPENDENCIES;
ERR_FAIL_V_MSG(error, "Can't load dependency: " + external_resources[erindex].path + ".");
}
}
} else {
r_v = res;
}
}
}
} break;
default: {
ERR_FAIL_V(ERR_FILE_CORRUPT);
} break;
}
} break;
case VARIANT_CALLABLE: {
r_v = Callable();
} break;
case VARIANT_SIGNAL: {
r_v = Signal();
} 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_MSG(err, ERR_FILE_CORRUPT, "Error when trying to parse Variant.");
Variant value;
err = parse_variant(value);
ERR_FAIL_COND_V_MSG(err, ERR_FILE_CORRUPT, "Error when trying to parse Variant.");
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_MSG(err, ERR_FILE_CORRUPT, "Error when trying to parse Variant.");
a[i] = val;
}
r_v = a;
} break;
case VARIANT_PACKED_BYTE_ARRAY: {
uint32_t len = f->get_32();
Vector<uint8_t> array;
array.resize(len);
uint8_t *w = array.ptrw();
f->get_buffer(w, len);
_advance_padding(len);
r_v = array;
} break;
case VARIANT_PACKED_INT32_ARRAY: {
uint32_t len = f->get_32();
Vector<int32_t> array;
array.resize(len);
int32_t *w = array.ptrw();
f->get_buffer((uint8_t *)w, len * sizeof(int32_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
r_v = array;
} break;
case VARIANT_PACKED_INT64_ARRAY: {
uint32_t len = f->get_32();
Vector<int64_t> array;
array.resize(len);
int64_t *w = array.ptrw();
f->get_buffer((uint8_t *)w, len * sizeof(int64_t));
#ifdef BIG_ENDIAN_ENABLED
{
uint64_t *ptr = (uint64_t *)w.ptr();
for (int i = 0; i < len; i++) {
ptr[i] = BSWAP64(ptr[i]);
}
}
#endif
r_v = array;
} break;
case VARIANT_PACKED_FLOAT32_ARRAY: {
uint32_t len = f->get_32();
Vector<float> array;
array.resize(len);
float *w = array.ptrw();
f->get_buffer((uint8_t *)w, len * sizeof(float));
#ifdef BIG_ENDIAN_ENABLED
{
uint32_t *ptr = (uint32_t *)w.ptr();
for (int i = 0; i < len; i++) {
ptr[i] = BSWAP32(ptr[i]);
}
}
#endif
r_v = array;
} break;
case VARIANT_PACKED_FLOAT64_ARRAY: {
uint32_t len = f->get_32();
Vector<double> array;
array.resize(len);
double *w = array.ptrw();
f->get_buffer((uint8_t *)w, len * sizeof(double));
#ifdef BIG_ENDIAN_ENABLED
{
uint64_t *ptr = (uint64_t *)w.ptr();
for (int i = 0; i < len; i++) {
ptr[i] = BSWAP64(ptr[i]);
}
}
#endif
r_v = array;
} break;
case VARIANT_PACKED_STRING_ARRAY: {
uint32_t len = f->get_32();
Vector<String> array;
array.resize(len);
String *w = array.ptrw();
for (uint32_t i = 0; i < len; i++) {
w[i] = get_unicode_string();
}
r_v = array;
} break;
case VARIANT_PACKED_VECTOR2_ARRAY: {
uint32_t len = f->get_32();
Vector<Vector2> array;
array.resize(len);
Vector2 *w = array.ptrw();
static_assert(sizeof(Vector2) == 2 * sizeof(real_t));
const Error err = read_reals(reinterpret_cast<real_t *>(w), f, len * 2);
ERR_FAIL_COND_V(err != OK, err);
r_v = array;
} break;
case VARIANT_PACKED_VECTOR3_ARRAY: {
uint32_t len = f->get_32();
Vector<Vector3> array;
array.resize(len);
Vector3 *w = array.ptrw();
static_assert(sizeof(Vector3) == 3 * sizeof(real_t));
const Error err = read_reals(reinterpret_cast<real_t *>(w), f, len * 3);
ERR_FAIL_COND_V(err != OK, err);
r_v = array;
} break;
case VARIANT_PACKED_COLOR_ARRAY: {
uint32_t len = f->get_32();
Vector<Color> array;
array.resize(len);
Color *w = array.ptrw();
// Colors always use `float` even with double-precision support enabled
static_assert(sizeof(Color) == 4 * sizeof(float));
f->get_buffer((uint8_t *)w, len * sizeof(float) * 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
r_v = array;
} break;
default: {
ERR_FAIL_V(ERR_FILE_CORRUPT);
} break;
}
return OK; //never reach anyway
}
Ref<Resource> ResourceLoaderBinary::get_resource() {
return resource;
}
Error ResourceLoaderBinary::load() {
if (error != OK) {
return error;
}
for (int i = 0; i < external_resources.size(); i++) {
String path = external_resources[i].path;
if (remaps.has(path)) {
path = remaps[path];
}
if (!path.contains("://") && path.is_relative_path()) {
// path is relative to file being loaded, so convert to a resource path
path = ProjectSettings::get_singleton()->localize_path(path.get_base_dir().path_join(external_resources[i].path));
}
external_resources.write[i].path = path; //remap happens here, not on load because on load it can actually be used for filesystem dock resource remap
external_resources.write[i].load_token = ResourceLoader::_load_start(path, external_resources[i].type, use_sub_threads ? ResourceLoader::LOAD_THREAD_DISTRIBUTE : ResourceLoader::LOAD_THREAD_FROM_CURRENT, ResourceFormatLoader::CACHE_MODE_REUSE);
if (!external_resources[i].load_token.is_valid()) {
if (!ResourceLoader::get_abort_on_missing_resources()) {
ResourceLoader::notify_dependency_error(local_path, path, external_resources[i].type);
} else {
error = ERR_FILE_MISSING_DEPENDENCIES;
ERR_FAIL_V_MSG(error, "Can't load dependency: " + path + ".");
}
}
}
for (int i = 0; i < internal_resources.size(); i++) {
bool main = i == (internal_resources.size() - 1);
//maybe it is loaded already
String path;
String id;
if (!main) {
path = internal_resources[i].path;
if (path.begins_with("local://")) {
path = path.replace_first("local://", "");
id = path;
path = res_path + "::" + path;
internal_resources.write[i].path = path; // Update path.
}
if (cache_mode == ResourceFormatLoader::CACHE_MODE_REUSE && ResourceCache::has(path)) {
Ref<Resource> cached = ResourceCache::get_ref(path);
if (cached.is_valid()) {
//already loaded, don't do anything
error = OK;
internal_index_cache[path] = cached;
continue;
}
}
} else {
if (cache_mode != ResourceFormatLoader::CACHE_MODE_IGNORE && !ResourceCache::has(res_path)) {
path = res_path;
}
}
uint64_t offset = internal_resources[i].offset;
f->seek(offset);
String t = get_unicode_string();
Ref<Resource> res;
if (cache_mode == ResourceFormatLoader::CACHE_MODE_REPLACE && ResourceCache::has(path)) {
//use the existing one
Ref<Resource> cached = ResourceCache::get_ref(path);
if (cached->get_class() == t) {
cached->reset_state();
res = cached;
}
}
MissingResource *missing_resource = nullptr;
if (res.is_null()) {
//did not replace
Object *obj = ClassDB::instantiate(t);
if (!obj) {
if (ResourceLoader::is_creating_missing_resources_if_class_unavailable_enabled()) {
//create a missing resource
missing_resource = memnew(MissingResource);
missing_resource->set_original_class(t);
missing_resource->set_recording_properties(true);
obj = missing_resource;
} else {
error = ERR_FILE_CORRUPT;
ERR_FAIL_V_MSG(ERR_FILE_CORRUPT, local_path + ":Resource of unrecognized type in file: " + t + ".");
}
}
Resource *r = Object::cast_to<Resource>(obj);
if (!r) {
String obj_class = obj->get_class();
error = ERR_FILE_CORRUPT;
memdelete(obj); //bye
ERR_FAIL_V_MSG(ERR_FILE_CORRUPT, local_path + ":Resource type in resource field not a resource, type is: " + obj_class + ".");
}
res = Ref<Resource>(r);
if (!path.is_empty() && cache_mode != ResourceFormatLoader::CACHE_MODE_IGNORE) {
r->set_path(path, cache_mode == ResourceFormatLoader::CACHE_MODE_REPLACE); //if got here because the resource with same path has different type, replace it
} else if (!path.is_resource_file()) {
r->set_path_cache(path);
}
r->set_scene_unique_id(id);
}
if (!main) {
internal_index_cache[path] = res;
}
int pc = f->get_32();
//set properties
Dictionary missing_resource_properties;
for (int j = 0; j < pc; j++) {
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;
}
bool set_valid = true;
if (value.get_type() == Variant::OBJECT && missing_resource != nullptr) {
// If the property being set is a missing resource (and the parent is not),
// then setting it will most likely not work.
// Instead, save it as metadata.
Ref<MissingResource> mr = value;
if (mr.is_valid()) {
missing_resource_properties[name] = mr;
set_valid = false;
}
}
if (value.get_type() == Variant::ARRAY) {
Array set_array = value;
bool is_get_valid = false;
Variant get_value = res->get(name, &is_get_valid);
if (is_get_valid && get_value.get_type() == Variant::ARRAY) {
Array get_array = get_value;
if (!set_array.is_same_typed(get_array)) {
value = Array(set_array, get_array.get_typed_builtin(), get_array.get_typed_class_name(), get_array.get_typed_script());
}
}
}
if (set_valid) {
res->set(name, value);
}
}
if (missing_resource) {
missing_resource->set_recording_properties(false);
}
if (!missing_resource_properties.is_empty()) {
res->set_meta(META_MISSING_RESOURCES, missing_resource_properties);
}
#ifdef TOOLS_ENABLED
res->set_edited(false);
#endif
if (progress) {
*progress = (i + 1) / float(internal_resources.size());
}
resource_cache.push_back(res);
if (main) {
f.unref();
resource = res;
resource->set_as_translation_remapped(translation_remapped);
error = OK;
return OK;
}
}
return ERR_FILE_EOF;
}
void ResourceLoaderBinary::set_translation_remapped(bool p_remapped) {
translation_remapped = p_remapped;
}
static void save_ustring(Ref<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(Ref<FileAccess> f) {
int len = f->get_32();
Vector<char> 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 ResourceLoaderBinary::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 ResourceLoaderBinary::get_classes_used(Ref<FileAccess> p_f, HashSet<StringName> *p_classes) {
open(p_f, false, true);
if (error) {
return;
}
for (int i = 0; i < internal_resources.size(); i++) {
p_f->seek(internal_resources[i].offset);
String t = get_unicode_string();
ERR_FAIL_COND(p_f->get_error() != OK);
if (t != String()) {
p_classes->insert(t);
}
}
}
void ResourceLoaderBinary::get_dependencies(Ref<FileAccess> p_f, List<String> *p_dependencies, bool p_add_types) {
open(p_f, false, true);
if (error) {
return;
}
for (int i = 0; i < external_resources.size(); i++) {
String dep;
String fallback_path;
if (external_resources[i].uid != ResourceUID::INVALID_ID) {
dep = ResourceUID::get_singleton()->id_to_text(external_resources[i].uid);
fallback_path = external_resources[i].path; // Used by Dependency Editor, in case uid path fails.
} else {
dep = external_resources[i].path;
}
if (p_add_types && !external_resources[i].type.is_empty()) {
dep += "::" + external_resources[i].type;
}
if (!fallback_path.is_empty()) {
if (!p_add_types) {
dep += "::"; // Ensure that path comes third, even if there is no type.
}
dep += "::" + fallback_path;
}
p_dependencies->push_back(dep);
}
}
void ResourceLoaderBinary::open(Ref<FileAccess> p_f, bool p_no_resources, bool p_keep_uuid_paths) {
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();
ERR_FAIL_MSG("Failed to open binary resource file: " + local_path + ".");
}
f = fac;
} else if (header[0] != 'R' || header[1] != 'S' || header[2] != 'R' || header[3] != 'C') {
// Not normal.
error = ERR_FILE_UNRECOGNIZED;
f.unref();
ERR_FAIL_MSG("Unrecognized binary resource file: " + local_path + ".");
}
bool big_endian = f->get_32();
bool use_real64 = f->get_32();
f->set_big_endian(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.unref();
ERR_FAIL_MSG(vformat("File '%s' can't be loaded, as it uses a format version (%d) or engine version (%d.%d) which are not supported by your engine version (%s).",
local_path, ver_format, ver_major, ver_minor, VERSION_BRANCH));
}
type = get_unicode_string();