Error ResourceFormatLoaderBinary::load_import_metadata(const String &p_path, Ref<ResourceImportMetadata>& r_var) const {
FileAccess *f = FileAccess::open(p_path,FileAccess::READ);
if (!f) {
return ERR_FILE_CANT_OPEN;
}
Ref<ResourceInteractiveLoaderBinary> ria = memnew( ResourceInteractiveLoaderBinary );
ria->local_path=Globals::get_singleton()->localize_path(p_path);
ria->res_path=ria->local_path;
// ria->set_local_path( Globals::get_singleton()->localize_path(p_path) );
ria->recognize(f);
if(ria->error!=OK)
return ERR_FILE_UNRECOGNIZED;
f=ria->f;
uint64_t imp_ofs = f->get_64();
if (imp_ofs==0)
return ERR_UNAVAILABLE;
f->seek(imp_ofs);
Ref<ResourceImportMetadata> imd = memnew( ResourceImportMetadata );
imd->set_editor(ria->get_unicode_string());
int sc = f->get_32();
for(int i=0;i<sc;i++) {
String src = ria->get_unicode_string();
String md5 = ria->get_unicode_string();
imd->add_source(src,md5);
}
int pc = f->get_32();
for(int i=0;i<pc;i++) {
String name = ria->get_unicode_string();
Variant val;
ria->parse_variant(val);
imd->set_option(name,val);
}
r_var=imd;
return OK;
}
Error StreamTexture::_load_data(const String &p_path, int &tw, int &th, int &flags, Image &image, int p_size_limit) {
FileAccess *f = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V(!f, ERR_CANT_OPEN);
uint8_t header[4];
f->get_buffer(header, 4);
if (header[0] != 'G' || header[1] != 'D' || header[2] != 'S' || header[3] != 'T') {
memdelete(f);
ERR_FAIL_COND_V(header[0] != 'G' || header[1] != 'D' || header[2] != 'S' || header[3] != 'T', ERR_FILE_CORRUPT);
}
tw = f->get_32();
th = f->get_32();
flags = f->get_32(); //texture flags!
uint32_t df = f->get_32(); //data format
print_line("width: " + itos(tw));
print_line("height: " + itos(th));
print_line("flags: " + itos(flags));
print_line("df: " + itos(df));
if (request_3d_callback && df & FORMAT_BIT_DETECT_3D) {
print_line("request detect 3D at " + p_path);
VS::get_singleton()->texture_set_detect_3d_callback(texture, _requested_3d, this);
} else {
print_line("not requesting detect 3D at " + p_path);
VS::get_singleton()->texture_set_detect_3d_callback(texture, NULL, NULL);
}
if (request_srgb_callback && df & FORMAT_BIT_DETECT_SRGB) {
print_line("request detect srgb at " + p_path);
VS::get_singleton()->texture_set_detect_srgb_callback(texture, _requested_srgb, this);
} else {
VS::get_singleton()->texture_set_detect_srgb_callback(texture, NULL, NULL);
print_line("not requesting detect srgb at " + p_path);
}
if (!(df & FORMAT_BIT_STREAM)) {
p_size_limit = 0;
}
if (df & FORMAT_BIT_LOSSLESS || df & FORMAT_BIT_LOSSY) {
//look for a PNG or WEBP file inside
int sw = tw;
int sh = th;
uint32_t mipmaps = f->get_32();
uint32_t size = f->get_32();
print_line("mipmaps: " + itos(mipmaps));
while (mipmaps > 1 && p_size_limit > 0 && (sw > p_size_limit || sh > p_size_limit)) {
f->seek(f->get_pos() + size);
mipmaps = f->get_32();
size = f->get_32();
sw = MAX(sw >> 1, 1);
sh = MAX(sh >> 1, 1);
mipmaps--;
}
//mipmaps need to be read independently, they will be later combined
Vector<Image> mipmap_images;
int total_size = 0;
for (int i = 0; i < mipmaps; i++) {
if (i > 0) {
size = f->get_32();
}
PoolVector<uint8_t> pv;
pv.resize(size);
{
PoolVector<uint8_t>::Write w = pv.write();
f->get_buffer(w.ptr(), size);
}
Image img;
if (df & FORMAT_BIT_LOSSLESS) {
img = Image::lossless_unpacker(pv);
} else {
img = Image::lossy_unpacker(pv);
}
if (img.empty()) {
memdelete(f);
ERR_FAIL_COND_V(img.empty(), ERR_FILE_CORRUPT);
}
total_size += img.get_data().size();
mipmap_images.push_back(img);
}
print_line("mipmap read total: " + itos(mipmap_images.size()));
memdelete(f); //no longer needed
if (mipmap_images.size() == 1) {
image = mipmap_images[0];
return OK;
} else {
PoolVector<uint8_t> img_data;
img_data.resize(total_size);
{
PoolVector<uint8_t>::Write w = img_data.write();
int ofs = 0;
for (int i = 0; i < mipmap_images.size(); i++) {
PoolVector<uint8_t> id = mipmap_images[i].get_data();
int len = id.size();
PoolVector<uint8_t>::Read r = id.read();
copymem(&w[ofs], r.ptr(), len);
ofs += len;
}
}
image = Image(sw, sh, true, mipmap_images[0].get_format(), img_data);
return OK;
}
} else {
bool PackedSourcePCK::try_open_pack(const String& p_path) {
FileAccess *f = FileAccess::open(p_path,FileAccess::READ);
if (!f)
return false;
uint32_t magic= f->get_32();
if (magic != 0x4b435047) {
//maybe at he end.... self contained exe
f->seek_end();
f->seek( f->get_pos() -4 );
magic = f->get_32();
if (magic != 0x4b435047) {
memdelete(f);
return false;
}
f->seek( f->get_pos() -12 );
uint64_t ds = f->get_64();
f->seek( f->get_pos() -ds-8 );
magic = f->get_32();
if (magic != 0x4b435047) {
memdelete(f);
return false;
}
}
uint32_t ver_major = f->get_32();
uint32_t ver_minor = f->get_32();
uint32_t ver_rev = f->get_32();
ERR_EXPLAIN("Pack created with a newer version of the engine: "+itos(ver_major)+"."+itos(ver_minor)+"."+itos(ver_rev));
ERR_FAIL_COND_V( ver_major > VERSION_MAJOR || (ver_major == VERSION_MAJOR && ver_minor > VERSION_MINOR), ERR_INVALID_DATA);
for(int i=0;i<16;i++) {
//reserved
f->get_32();
}
int file_count = f->get_32();
for(int i=0;i<file_count;i++) {
uint32_t sl = f->get_32();
CharString cs;
cs.resize(sl+1);
f->get_buffer((uint8_t*)cs.ptr(),sl);
cs[sl]=0;
String path;
path.parse_utf8(cs.ptr());
uint64_t ofs = f->get_64();
uint64_t size = f->get_64();
uint8_t md5[16];
f->get_buffer(md5,16);
PackedData::get_singleton()->add_path(p_path, path, ofs, size, md5,this);
};
return true;
};