bool CachingFileLoader::IsDirectory() {
if (isDirectory_ == -1) {
lock_guard guard(backendMutex_);
isDirectory_ = backend_->IsDirectory() ? 1 : 0;
}
return isDirectory_ == 1;
}
void __UmdReplace(std::string filepath) {
// TODO: This should really go through Loaders, no? What if it's an invalid file?
// Only get system from disc0 seems have been enough.
IFileSystem* currentUMD = pspFileSystem.GetSystem("disc0:");
IFileSystem* currentISOBlock = pspFileSystem.GetSystem("umd0:");
if (!currentUMD)
return;
FileLoader *loadedFile = ConstructFileLoader(filepath);
IFileSystem* umd2;
if (!loadedFile->Exists()) {
delete loadedFile;
return;
}
UpdateLoadedFile(loadedFile);
if (loadedFile->IsDirectory()) {
umd2 = new VirtualDiscFileSystem(&pspFileSystem, filepath);
} else {
auto bd = constructBlockDevice(loadedFile);
if (!bd)
return;
umd2 = new ISOFileSystem(&pspFileSystem, bd);
pspFileSystem.Remount(currentUMD, umd2);
if (currentUMD != currentISOBlock) {
// We mounted an ISO block system separately.
IFileSystem *iso = new ISOBlockSystem(static_cast<ISOFileSystem *>(umd2));
pspFileSystem.Remount(currentISOBlock, iso);
delete currentISOBlock;
}
}
delete currentUMD;
// TODO Is this always correct if UMD was not activated?
u32 notifyArg = PSP_UMD_PRESENT | PSP_UMD_READABLE | PSP_UMD_CHANGED;
if (driveCBId != -1)
__KernelNotifyCallback(driveCBId, notifyArg);
}