public void Flush()
{
for (uint clusCnt = 0; clusCnt < _prj.noClu; clusCnt++)
{
Clu cluster = _prj.clu[clusCnt];
for (uint grpCnt = 0; grpCnt < cluster.noGrp; grpCnt++)
{
Grp group = cluster.grp[grpCnt];
for (uint resCnt = 0; resCnt < group.noRes; resCnt++)
if (group.resHandle[resCnt].cond != MemMan.MEM_FREED)
{
_memMan.SetCondition(group.resHandle[resCnt], MemMan.MEM_CAN_FREE);
group.resHandle[resCnt].refCount = 0;
}
}
if (cluster.file != null)
{
cluster.file.Dispose();
cluster.file = null;
cluster.refCount = 0;
}
}
_openClus = 0;
_openCluStart = _openCluEnd = null;
// the memory manager cached the blocks we asked it to free, so explicitly make it free them
_memMan.Flush();
}
private Stream ResFile(uint id)
{
Clu cluster = _prj.clu[((id >> 24) - 1)];
if (cluster.file == null)
{
_openClus++;
if (_openCluEnd == null)
{
_openCluStart = _openCluEnd = cluster;
}
else
{
_openCluEnd.nextOpen = cluster;
_openCluEnd = cluster;
}
string fileName;
// Supposes that big endian means mac cluster file and little endian means PC cluster file.
// This works, but we may want to separate the file name from the endianess or try .CLM extension if opening.clu file fail.
if (_isBigEndian)
fileName = $"{_prj.clu[(id >> 24) - 1].label.Trim('\0')}.CLM";
else
fileName = $"{_prj.clu[(id >> 24) - 1].label.Trim('\0')}.CLU";
var path = ScummHelper.LocatePath(_directory, fileName);
cluster.file = ServiceLocator.FileStorage.OpenFileRead(path);
while (_openClus > MAX_OPEN_CLUS)
{
Debug.Assert(_openCluStart != null);
Clu closeClu = _openCluStart;
_openCluStart = _openCluStart.nextOpen;
if (closeClu != null)
{
closeClu.file?.Dispose();
closeClu.file = null;
closeClu.nextOpen = null;
}
_openClus--;
}
}
return cluster.file;
}