bool ExtractFile( char const* mpq_name, std::string const& filename )
{
for(ArchiveSet::const_reverse_iterator i=gOpenArchives.rbegin(); i!=gOpenArchives.rend();++i)
{
HANDLE fileHandle;
if (!SFileOpenFileEx(*i, mpq_name, SFILE_OPEN_PATCHED_FILE, &fileHandle))
continue;
if (SFileGetFileSize(fileHandle, NULL) == 0) // some files removed in next updates and its reported size 0
{
SFileCloseFile(fileHandle);
return true;
}
SFileCloseFile(fileHandle);
if (!SFileExtractFile(*i, mpq_name, filename.c_str(), SFILE_OPEN_PATCHED_FILE))
{
printf("Can't extract file: %s\n", mpq_name);
return false;
}
return true;
}
printf("Extracting file not found: %s\n", filename.c_str());
return false;
}
bool OpenNewestFile(char const* filename, HANDLE* fileHandlerPtr)
{
for(ArchiveSet::const_reverse_iterator i=gOpenArchives.rbegin(); i!=gOpenArchives.rend();++i)
{
// always prefer get updated file version
if (SFileOpenFileEx(*i, filename, SFILE_OPEN_PATCHED_FILE, fileHandlerPtr))
return true;
}
return false;
}
MPQFile::MPQFile(const char* filename):
eof(false),
buffer(0),
pointer(0),
size(0)
{
for(ArchiveSet::reverse_iterator i=gOpenArchives.rbegin(); i!=gOpenArchives.rend();++i)
{
mpq_archive &mpq_a = (*i)->mpq_a;
mpq_hash hash = (*i)->GetHashEntry(filename);
uint32 blockindex = hash.blockindex;
if ((blockindex == 0xFFFFFFFF) || (blockindex == 0)) {
continue; //file not found
}
int fileno = blockindex;
//int fileno = libmpq_file_number(&mpq_a, filename);
//if(fileno == LIBMPQ_EFILE_NOT_FOUND)
// continue;
// Found!
size = libmpq_file_info(&mpq_a, LIBMPQ_FILE_UNCOMPRESSED_SIZE, fileno);
// HACK: in patch.mpq some files don't want to open and give 1 for filesize
if (size<=1) {
eof = true;
buffer = 0;
return;
}
buffer = new char[size];
//libmpq_file_getdata
int result = libmpq_file_getdata(&mpq_a, hash, fileno, (unsigned char*)buffer);
return;
}
eof = true;
buffer = 0;
}