uint32 CCdvdman::CdSearchFile(uint32 fileInfoPtr, uint32 namePtr)
{
struct FILEINFO
{
uint32 sector;
uint32 size;
char name[16];
uint8 date[8];
};
const char* name = NULL;
FILEINFO* fileInfo = NULL;
if(namePtr != 0)
{
name = reinterpret_cast<const char*>(m_ram + namePtr);
}
if(fileInfoPtr != 0)
{
fileInfo = reinterpret_cast<FILEINFO*>(m_ram + fileInfoPtr);
}
#ifdef _DEBUG
CLog::GetInstance().Print(LOG_NAME, FUNCTION_CDSEARCHFILE "(fileInfo = 0x%0.8X, name = '%s');\r\n",
fileInfoPtr, name);
#endif
uint32 result = 0;
if(m_image != NULL && name != NULL && fileInfo != NULL)
{
std::string fixedPath(name);
//Fix all slashes
std::string::size_type slashPos = fixedPath.find('\\');
while(slashPos != std::string::npos)
{
fixedPath[slashPos] = '/';
slashPos = fixedPath.find('\\', slashPos + 1);
}
ISO9660::CDirectoryRecord record;
if(m_image->GetFileRecord(&record, fixedPath.c_str()))
{
fileInfo->sector = record.GetPosition();
fileInfo->size = record.GetDataLength();
strncpy(fileInfo->name, record.GetName(), 16);
fileInfo->name[15] = 0;
memset(fileInfo->date, 0, 8);
result = 1;
}
}
return result;
}
void CCdvdfsv::SearchFile(uint32* args, uint32 argsSize, uint32* ret, uint32 retSize, uint8* ram)
{
uint32 layer = 0;
uint32 pathOffset = 0x24;
if(argsSize == 0x128)
{
pathOffset = 0x24;
}
else if(argsSize == 0x124)
{
pathOffset = 0x20;
}
else if(argsSize == 0x12C)
{
//Used by:
//- Xenosaga (dual layer)
pathOffset = 0x24;
layer = args[0x128 / 4];
}
else
{
CLog::GetInstance().Warn(LOG_NAME, "Warning: Using unknown structure size (%d bytes);\r\n", argsSize);
}
assert(retSize == 4);
if(!m_opticalMedia)
{
ret[0] = 0;
return;
}
//0x12C structure
//00 - Block Num
//04 - Size
//08
//0C
//10
//14
//18
//1C
//20 - Unknown
//24 - Path
const char* path = reinterpret_cast<const char*>(args) + pathOffset;
CLog::GetInstance().Print(LOG_NAME, "SearchFile(layer = %d, path = '%s');\r\n", layer, path);
//Fix all slashes
std::string fixedPath(path);
{
auto slashPos = fixedPath.find('\\');
while(slashPos != std::string::npos)
{
fixedPath[slashPos] = '/';
slashPos = fixedPath.find('\\', slashPos + 1);
}
}
//Hack to remove any superfluous version extensions (ie.: ;1) that might be present in the path
//Don't know if this is valid behavior but shouldn't hurt compatibility. This was done for Sengoku Musou 2.
while(1)
{
auto semColCount = std::count(fixedPath.begin(), fixedPath.end(), ';');
if(semColCount <= 1) break;
auto semColPos = fixedPath.rfind(';');
assert(semColPos != std::string::npos);
fixedPath = std::string(fixedPath.begin(), fixedPath.begin() + semColPos);
}
ISO9660::CDirectoryRecord record;
auto fileSystem = (layer == 0) ? m_opticalMedia->GetFileSystem() : m_opticalMedia->GetFileSystemL1();
if(!fileSystem->GetFileRecord(&record, fixedPath.c_str()))
{
ret[0] = 0;
return;
}
args[0x00] = record.GetPosition();
args[0x01] = record.GetDataLength();
if(layer != 0)
{
args[0x00] += m_opticalMedia->GetDvdSecondLayerStart();
}
ret[0] = 1;
}
