unsigned int isIMYPackage(PG::STREAM::InByteFile& reader){
const unsigned int start = reader.pos();
const unsigned int number_of_files = reader.readUnsignedInt();
if(number_of_files > 9000) return 0;
const unsigned int commpress_size = reader.readUnsignedInt();
const unsigned int first_offset = reader.readUnsignedInt();
if(first_offset > commpress_size) return 0;
reader.seek(start+first_offset);
if(isIMY(reader)){
return number_of_files*commpress_size;
}
return 0;
}
bool StartDAT::open(const PG::UTIL::File& file, PercentIndicator* percent){
clear();
m_file = file;
if(!m_file.exists() ){
PG_ERROR_STREAM("Target file '"<<file<<"' does not exist!");
m_file.clear();
return true;
}
readFileNames();
try{
PG::STREAM::InByteFile reader(m_file);
if(!reader.isopen()) return true;
const unsigned int file_size = reader.size();
const unsigned int number_of_files = reader.readUnsignedInt();
//test if this is a IMY file
{
const unsigned int v1 = reader.readUnsignedInt();
const unsigned int v2 = reader.readUnsignedInt();
if(v1 > v2){
m_isCompressed = true;
}else{
m_isCompressed = false;
}
reader.seek(4);
}
const unsigned int header_size = (m_isCompressed)? 8+number_of_files*sizeof(int) : 4+number_of_files*sizeof(int);
if(m_isCompressed) reader.skip(4);
if(number_of_files > 9000){
PG_ERROR_STREAM("START.DAT is too big!");
return true;
}
//reader.skip(sizeof(int));
unsigned int lastOffset = reader.readUnsignedInt();
for(unsigned int i = 0; i < number_of_files; ++i){
fileInfo info;
info.offset = lastOffset;
if(i != number_of_files-1)
lastOffset = reader.readUnsignedInt();
else
lastOffset = file_size;
if(lastOffset < info.offset){
PG_ERROR_STREAM("File offset order is wrong! ("<<lastOffset <<" < "<<info.offset<<") at: "<<reader.pos());
return true;
}
info.size = lastOffset-info.offset;
if(info.offset < header_size){
PG_ERROR_STREAM("File offset is smaller then the header! ("<<info.offset <<" < "<<header_size<<")");
return true;
}
if((info.offset+info.size) > file_size){
PG_ERROR_STREAM("File is outside the range ("<< (info.offset+info.size) << " > " << file_size <<")!");
return true;
}
const unsigned int currentPos = reader.pos();
if( !m_isCompressed && i < m_namesTable.size() && !m_namesTable[i].empty() ){
info.name = m_namesTable[i];
reader.seek(info.offset);
if(isTX2(reader)){
if(info.name.getFileExtension() != "TX2")
info.name = info.name.getName()+".TX2";
info.fileType = fileInfo::TX2;
}else
if(info.name.getFileExtension() == "TX2")
info.name = info.name.getName()+".NOT";
}else{
std::stringstream o;
o<<"FILE";
o.fill('0');
o.width(4);
o<<i<<".";
reader.seek(info.offset);
if(isIMY(reader)){
o<<"IMY";
info.fileType = fileInfo::IMY;
}else{
reader.seek(info.offset);
if(isTX2(reader)){
o<<"TX2";
info.fileType = fileInfo::TX2;
}else
o<<"DAT";
}
info.name = o.str();
}
reader.seek(currentPos);
m_fileInfos.push_back(info);
}
reader.close();
if(m_fileInfos.empty()){
PG_ERROR_STREAM("No files found inside!");
clear();
return true;
}
}catch (PG::UTIL::Exception& e) {
PG_ERROR_STREAM("Couldn't read given PSPFS file '"<<file<<"': "<<e.what());
clear();
return true;
}catch (...) {
PG_ERROR_STREAM("Couldn't read given PSPFS file '"<<file<<"'!");
clear();;
return true;
}
PG_INFO_STREAM("Opening done");
return false;
}
