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godot/core/io/resource_format_binary.cpp

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/*************************************************************************/
/* resource_format_binary.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 ((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 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<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 = 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 exttype = 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, 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 {
String exttype = 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, exttype);
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<uint8_t> array;
array.resize(len);
PoolVector<uint8_t>::Write w = array.write();
f->get_buffer(w.ptr(), len);
_advance_padding(len);
w.release();
r_v = array;
} break;
case VARIANT_INT_ARRAY: {
uint32_t len = f->get_32();
PoolVector<int> array;
array.resize(len);
PoolVector<int>::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.release();
r_v = array;
} break;
case VARIANT_REAL_ARRAY: {
uint32_t len = f->get_32();
PoolVector<real_t> array;
array.resize(len);
PoolVector<real_t>::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.release();
r_v = array;
} break;
case VARIANT_STRING_ARRAY: {
uint32_t len = f->get_32();
PoolVector<String> array;
array.resize(len);
PoolVector<String>::Write w = array.write();
for (uint32_t i = 0; i < len; i++)
w[i] = get_unicode_string();
w.release();
r_v = array;
} break;
case VARIANT_VECTOR2_ARRAY: {
uint32_t len = f->get_32();
PoolVector<Vector2> array;
array.resize(len);
PoolVector<Vector2>::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_FAIL_V_MSG(ERR_UNAVAILABLE, "Vector2 size is NOT 8!");
}
w.release();
r_v = array;
} break;
case VARIANT_VECTOR3_ARRAY: {
uint32_t len = f->get_32();
PoolVector<Vector3> array;
array.resize(len);
PoolVector<Vector3>::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_FAIL_V_MSG(ERR_UNAVAILABLE, "Vector3 size is NOT 12!");
}
w.release();
r_v = array;
} break;
case VARIANT_COLOR_ARRAY: {
uint32_t len = f->get_32();
PoolVector<Color> array;
array.resize(len);
PoolVector<Color>::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_FAIL_V_MSG(ERR_UNAVAILABLE, "Color size is NOT 16!");
}
w.release();
r_v = array;
} break;
#ifndef DISABLE_DEPRECATED
case VARIANT_IMAGE: {
uint32_t encoding = f->get_32();
if (encoding == IMAGE_ENCODING_EMPTY) {
r_v = Ref<Image>();
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<uint8_t> imgdata;
imgdata.resize(datalen);
PoolVector<uint8_t>::Write w = imgdata.write();
f->get_buffer(w.ptr(), datalen);
_advance_padding(datalen);
w.release();
Ref<Image> image;
image.instance();
image->create(width, height, mipmaps, fmt, imgdata);
r_v = image;
} else {
//compressed
PoolVector<uint8_t> data;
data.resize(f->get_32());
PoolVector<uint8_t>::Write w = data.write();
f->get_buffer(w.ptr(), data.size());
w.release();
Ref<Image> 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<Resource> 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_FAIL_V_MSG(error, "Can't load dependency: " + path + ".");
}
} 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_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 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<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 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<String> *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_FAIL_MSG("Unrecognized binary resource file: " + local_path + ".");
}
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_FAIL_MSG("File format '" + itos(FORMAT_VERSION) + "." + itos(ver_major) + "." + itos(ver_minor) + "' is too new! Please upgrade to a new engine version: " + local_path + ".");
}
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_FAIL_MSG("Premature end of file (EOF): " + local_path + ".");
}
}
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<ResourceInteractiveLoader> 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);
ERR_FAIL_COND_V(err != OK, Ref<ResourceInteractiveLoader>());
Ref<ResourceInteractiveLoaderBinary> 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<String> *p_extensions) const {
if (p_type == "") {
get_recognized_extensions(p_extensions);
return;
}
List<String> extensions;
ClassDB::get_extensions_for_type(p_type, &extensions);
extensions.sort();
for (List<String>::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<String> *p_extensions) const {
List<String> extensions;
ClassDB::get_resource_base_extensions(&extensions);
extensions.sort();
for (List<String>::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<String> *p_dependencies, bool p_add_types) {
FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND(!f);
Ref<ResourceInteractiveLoaderBinary> 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<String, String> &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_FAIL_V_MSG(ERR_FILE_UNRECOGNIZED, "Unrecognized binary resource file: " + local_path + ".");
} 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_PRINTS("This file is old, so it can't refactor dependencies, opening and resaving: " + p_path + ".");
Error err;
f = FileAccess::open(p_path, FileAccess::READ, &err);
ERR_FAIL_COND_V(err != OK, ERR_FILE_CANT_OPEN);
Ref<ResourceInteractiveLoaderBinary> 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_FAIL_V_MSG(ERR_FILE_UNRECOGNIZED, "File format '" + itos(FORMAT_VERSION) + "." + itos(ver_major) + "." + itos(ver_minor) + "' is too new! Please upgrade to a new engine version: " + local_path + ".");
}
// 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<ResourceInteractiveLoaderBinary> 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<RES> &resource_set, Map<RES, int> &external_resources, Map<StringName, int> &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);
f->store_32(int32_t(p_property));
}
} 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_FAIL_MSG("Resource was not pre cached for the resource section, most likely due to circular reference.");
}
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<Variant> keys;
d.get_key_list(&keys);
for (List<Variant>::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<uint8_t> arr = p_property;
int len = arr.size();
f->store_32(len);
PoolVector<uint8_t>::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<int> arr = p_property;
int len = arr.size();
f->store_32(len);
PoolVector<int>::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<real_t> arr = p_property;
int len = arr.size();
f->store_32(len);
PoolVector<real_t>::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<String> arr = p_property;
int len = arr.size();
f->store_32(len);
PoolVector<String>::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<Vector3> arr = p_property;
int len = arr.size();
f->store_32(len);
PoolVector<Vector3>::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<Vector2> arr = p_property;
int len = arr.size();
f->store_32(len);
PoolVector<Vector2>::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<Color> arr = p_property;
int len = arr.size();
f->store_32(len);
PoolVector<Color>::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_FAIL_MSG("Invalid variant.");
}
}
}
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) {
if (res->get_path() == path) {
ERR_PRINTS("Circular reference to resource being saved found: '" + local_path + "' will be null next time it's loaded.");
return;
}
int idx = external_resources.size();
external_resources[res] = idx;
return;
}
if (resource_set.has(res))
return;
List<PropertyInfo> property_list;
res->get_property_list(&property_list);
for (List<PropertyInfo>::Element *E = property_list.front(); E; E = E->next()) {
if (E->get().usage & PROPERTY_USAGE_STORAGE) {
Variant value = res->get(E->get().name);
if (E->get().usage & PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT) {
RES sres = value;
if (sres.is_valid()) {
NonPersistentKey npk;
npk.base = res;
npk.property = E->get().name;
non_persistent_map[npk] = sres;
resource_set.insert(sres);
saved_resources.push_back(sres);
}
} else {
_find_resources(value);
}
}
}
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++) {
const Variant &v = varray.get(i);
_find_resources(v);
}
} break;
case Variant::DICTIONARY: {
Dictionary d = p_variant;
List<Variant> keys;
d.get_key_list(&keys);
for (List<Variant>::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();
path = ProjectSettings::get_singleton()->localize_path(p_path);
_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();
memdelete(f);
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<ResourceData> resources;
{
for (List<RES>::Element *E = saved_resources.front(); E; E = E->next()) {
ResourceData &rd = resources.push_back(ResourceData())->get();
rd.type = E->get()->get_class();
List<PropertyInfo> property_list;
E->get()->get_property_list(&property_list);
for (List<PropertyInfo>::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);
if (F->get().usage & PROPERTY_USAGE_RESOURCE_NOT_PERSISTENT) {
NonPersistentKey npk;
npk.base = E->get();
npk.property = F->get().name;
if (non_persistent_map.has(npk)) {
p.value = non_persistent_map[npk];
}
} else {
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<RES> save_order;
save_order.resize(external_resources.size());
for (Map<RES, int>::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<uint64_t> ofs_pos;
Set<int> used_indices;
for (List<RES>::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<RES>::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<uint64_t> ofs_table;
//now actually save the resources
for (List<ResourceData>::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<Property>::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();
memdelete(f);
return ERR_CANT_CREATE;
}
f->close();
memdelete(f);
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<String> *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;
}
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