Error EditorExportPlatform::save_pack(const Ref<EditorExportPreset> &p_preset, const String &p_path, Vector<SharedObject> *p_so_files) {
EditorProgress ep("savepack", TTR("Packing"), 102, true);
String tmppath = EditorSettings::get_singleton()->get_cache_dir().plus_file("packtmp");
FileAccess *ftmp = FileAccess::open(tmppath, FileAccess::WRITE);
ERR_FAIL_COND_V(!ftmp, ERR_CANT_CREATE)
PackData pd;
pd.ep = &ep;
pd.f = ftmp;
pd.so_files = p_so_files;
Error err = export_project_files(p_preset, _save_pack_file, &pd, _add_shared_object);
memdelete(ftmp); //close tmp file
if (err)
return err;
pd.file_ofs.sort(); //do sort, so we can do binary search later
FileAccess *f = FileAccess::open(p_path, FileAccess::WRITE);
ERR_FAIL_COND_V(!f, ERR_CANT_CREATE)
f->store_32(0x43504447); //GDPK
f->store_32(1); //pack version
f->store_32(VERSION_MAJOR);
f->store_32(VERSION_MINOR);
f->store_32(0); //hmph
for (int i = 0; i < 16; i++) {
//reserved
f->store_32(0);
}
f->store_32(pd.file_ofs.size()); //amount of files
size_t header_size = f->get_position();
//precalculate header size
for (int i = 0; i < pd.file_ofs.size(); i++) {
header_size += 4; // size of path string (32 bits is enough)
uint32_t string_len = pd.file_ofs[i].path_utf8.length();
header_size += string_len + _get_pad(4, string_len); ///size of path string
header_size += 8; // offset to file _with_ header size included
header_size += 8; // size of file
header_size += 16; // md5
}
size_t header_padding = _get_pad(PCK_PADDING, header_size);
for (int i = 0; i < pd.file_ofs.size(); i++) {
uint32_t string_len = pd.file_ofs[i].path_utf8.length();
uint32_t pad = _get_pad(4, string_len);
;
f->store_32(string_len + pad);
f->store_buffer((const uint8_t *)pd.file_ofs[i].path_utf8.get_data(), string_len);
for (uint32_t j = 0; j < pad; j++) {
f->store_8(0);
}
f->store_64(pd.file_ofs[i].ofs + header_padding + header_size);
f->store_64(pd.file_ofs[i].size); // pay attention here, this is where file is
f->store_buffer(pd.file_ofs[i].md5.ptr(), 16); //also save md5 for file
}
for (uint32_t j = 0; j < header_padding; j++) {
f->store_8(0);
}
//save the rest of the data
ftmp = FileAccess::open(tmppath, FileAccess::READ);
if (!ftmp) {
memdelete(f);
ERR_FAIL_COND_V(!ftmp, ERR_CANT_CREATE)
}
void ResourceImporterTexture::_save_stex(const Ref<Image> &p_image, const String &p_to_path, int p_compress_mode, float p_lossy_quality, Image::CompressMode p_vram_compression, bool p_mipmaps, int p_texture_flags, bool p_streamable, bool p_detect_3d, bool p_detect_srgb, bool p_force_rgbe, bool p_detect_normal, bool p_force_normal) {
print_line("saving: " + p_to_path);
FileAccess *f = FileAccess::open(p_to_path, FileAccess::WRITE);
f->store_8('G');
f->store_8('D');
f->store_8('S');
f->store_8('T'); //godot streamable texture
f->store_32(p_image->get_width());
f->store_32(p_image->get_height());
f->store_32(p_texture_flags);
uint32_t format = 0;
if (p_streamable)
format |= StreamTexture::FORMAT_BIT_STREAM;
if (p_mipmaps || p_compress_mode == COMPRESS_VIDEO_RAM) //VRAM always uses mipmaps
format |= StreamTexture::FORMAT_BIT_HAS_MIPMAPS; //mipmaps bit
if (p_detect_3d)
format |= StreamTexture::FORMAT_BIT_DETECT_3D;
if (p_detect_srgb)
format |= StreamTexture::FORMAT_BIT_DETECT_SRGB;
if (p_detect_normal)
format |= StreamTexture::FORMAT_BIT_DETECT_NORMAL;
if ((p_compress_mode == COMPRESS_LOSSLESS || p_compress_mode == COMPRESS_LOSSY) && p_image->get_format() > Image::FORMAT_RGBA8) {
p_compress_mode == COMPRESS_UNCOMPRESSED; //these can't go as lossy
}
switch (p_compress_mode) {
case COMPRESS_LOSSLESS: {
Ref<Image> image = p_image->duplicate();
if (p_mipmaps) {
image->generate_mipmaps();
} else {
image->clear_mipmaps();
}
int mmc = image->get_mipmap_count() + 1;
format |= StreamTexture::FORMAT_BIT_LOSSLESS;
f->store_32(format);
f->store_32(mmc);
for (int i = 0; i < mmc; i++) {
if (i > 0) {
image->shrink_x2();
}
PoolVector<uint8_t> data = Image::lossless_packer(image);
int data_len = data.size();
f->store_32(data_len);
PoolVector<uint8_t>::Read r = data.read();
f->store_buffer(r.ptr(), data_len);
}
} break;
case COMPRESS_LOSSY: {
Ref<Image> image = p_image->duplicate();
if (p_mipmaps) {
image->generate_mipmaps();
} else {
image->clear_mipmaps();
}
int mmc = image->get_mipmap_count() + 1;
format |= StreamTexture::FORMAT_BIT_LOSSY;
f->store_32(format);
f->store_32(mmc);
for (int i = 0; i < mmc; i++) {
if (i > 0) {
image->shrink_x2();
}
PoolVector<uint8_t> data = Image::lossy_packer(image, p_lossy_quality);
int data_len = data.size();
f->store_32(data_len);
PoolVector<uint8_t>::Read r = data.read();
f->store_buffer(r.ptr(), data_len);
}
} break;
case COMPRESS_VIDEO_RAM: {
Ref<Image> image = p_image->duplicate();
image->generate_mipmaps();
if (p_force_rgbe && image->get_format() >= Image::FORMAT_R8 && image->get_format() <= Image::FORMAT_RGBE9995) {
image->convert(Image::FORMAT_RGBE9995);
} else {
Image::CompressSource csource = Image::COMPRESS_SOURCE_GENERIC;
if (p_force_normal) {
csource = Image::COMPRESS_SOURCE_NORMAL;
} else if (p_texture_flags & VS::TEXTURE_FLAG_CONVERT_TO_LINEAR) {
csource = Image::COMPRESS_SOURCE_SRGB;
}
image->compress(p_vram_compression, csource, p_lossy_quality);
}
format |= image->get_format();
f->store_32(format);
PoolVector<uint8_t> data = image->get_data();
int dl = data.size();
PoolVector<uint8_t>::Read r = data.read();
f->store_buffer(r.ptr(), dl);
} break;
case COMPRESS_UNCOMPRESSED: {
Ref<Image> image = p_image->duplicate();
if (p_mipmaps) {
image->generate_mipmaps();
} else {
image->clear_mipmaps();
}
format |= image->get_format();
f->store_32(format);
PoolVector<uint8_t> data = image->get_data();
int dl = data.size();
PoolVector<uint8_t>::Read r = data.read();
f->store_buffer(r.ptr(), dl);
} break;
}
memdelete(f);
}