public VirtualWaveBankEntry(SemanticLogger logger, VirtualWaveBank waveBank, void *entry, int index, string cueName)
{
mLogger = logger;
WaveBank = waveBank;
NativePtr = entry;
Index = index;
CueName = cueName;
}
private NtStatus ReadEntryWaveData(VirtualWaveBank waveBank, long absOffset,
IntPtr handle, IntPtr hEvent, IntPtr *apcRoutine, IntPtr *apcContext, ref Native.IO_STATUS_BLOCK ioStatus, byte *buffer, uint length, Native.LARGE_INTEGER *byteOffset, IntPtr key)
{
var status = NtStatus.Success;
var handled = false;
var segBaseOffset = waveBank.Native.Header->Segments[(int)WaveBankSegmentIndex.EntryWaveData].Offset;
var segOffset = absOffset - segBaseOffset;
for (int i = 0; i < waveBank.Entries.Count; i++)
{
var entry = waveBank.Entries[i];
if (segOffset < entry.Native->PlayRegion.Offset || segOffset >= (entry.Native->PlayRegion.Offset + entry.Native->PlayRegion.Length))
{
continue;
}
var fileDataOffset = segOffset - entry.Native->PlayRegion.Offset;
var readEndOffset = fileDataOffset + length;
var nextDataOffset = i < waveBank.Entries.Count - 1 ? waveBank.Entries[i + 1].Native->PlayRegion.Offset : (waveBank.VirtualFileSize - segBaseOffset);
if (readEndOffset > nextDataOffset)
{
continue;
}
handled = true;
if (!entry.IsRedirected)
{
// Trigger cache miss
for (int j = 0; j < mCache.Length; j++)
{
var cacheEntry = mCache[j].Entry;
if (mCache[j].Miss())
{
mLogger.Debug($"{waveBank.FileName} Hnd: {handle} Index: {j} {cacheEntry.CueName} removed from cache");
}
}
mLogger.Info($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} Data access Offset: 0x{absOffset:X8} Length: 0x{length:X8}");
status = mHooks.NtReadFileHook.OriginalFunction(handle, hEvent, apcRoutine, apcContext, ref ioStatus, buffer, length, byteOffset, key);
}
else
{
mLogger.Info($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} Data access Offset: 0x{absOffset:X8} Length: 0x{length:X8} redirected to {entry.FilePath}");
status = NtStatus.Success;
if (fileDataOffset < 0)
{
mLogger.Error($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} Offset is before start of data!!!");
continue;
}
else if (fileDataOffset > entry.FileSize)
{
mLogger.Error($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} Offset is after end of data!!!");
//continue;
}
mLogger.Debug($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} Reading 0x{length:X8} bytes from redirected file at offset 0x{fileDataOffset:X8}");
// Get cached file stream if the file was previously opened or open a new file
Stream redirectedStream = null;
for (int j = 0; j < mCache.Length; j++)
{
if (mCache[j].Entry == entry)
{
// Found entry in cache, increase score
mCache[j].Hit();
mLogger.Debug($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} loaded from cache");
redirectedStream = mCache[j].Stream;
break;
}
else
{
// Entry is not the one we're looking for, so we lower its score
var cacheEntry = mCache[j].Entry;
if (mCache[j].Miss())
{
mLogger.Debug($"{waveBank.FileName} Hnd: {handle} Index: {j} {cacheEntry.CueName} removed from cache");
}
}
}
if (redirectedStream == null)
{
// Wasn't found in cache
mLogger.Debug($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} added to cache");
redirectedStream = entry.OpenRead();
for (int j = 0; j < mCache.Length; j++)
{
if (mCache[j].Entry == null)
{
mCache[j] = new CacheEntry()
{
Entry = entry, Score = 1, Stream = redirectedStream
};
break;;
}
}
}
// Read from redirected file into the buffer
try
{
redirectedStream.Seek(fileDataOffset, SeekOrigin.Begin);
var readBytes = redirectedStream.Read(new Span <byte>(( void * )buffer, ( int )length));
SetBytesRead(handle, ( int )waveBank.FilePointer, ( int )length, ref ioStatus);
if (readBytes != length)
{
mLogger.Error($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} File read length doesnt match requested read length!! Expected 0x{length:X8}, Actual 0x{readBytes:X8}");
}
mLogger.Debug($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} Wrote redirected file to buffer");
}
catch (Exception e)
{
mLogger.Debug($"{waveBank.FileName} Hnd: {handle} Index: {i} {entry.CueName} Unhandled exception thrown during reading {entry.FileName}: {e}");
}
}
}
if (!handled)
{
mLogger.Error($"{waveBank.FileName} Hnd: {handle} Unhandled file data read request!! Offset: 0x{absOffset:X8} Length: 0x{length:X8}");
status = mHooks.NtReadFileHook.OriginalFunction(handle, hEvent, apcRoutine, apcContext, ref ioStatus, buffer, length, byteOffset, key);
}
return(status);
}
public override Native.NtStatus NtCreateFileImpl(string newFilePath, out IntPtr handle, FileAccess access, ref Native.OBJECT_ATTRIBUTES objectAttributes,
ref Native.IO_STATUS_BLOCK ioStatus, ref long allocSize, uint fileAttributes, FileShare share, uint createDisposition, uint createOptions, IntPtr eaBuffer, uint eaLength)
{
var result = mHooks.NtCreateFileHook.OriginalFunction(out handle, access, ref objectAttributes, ref ioStatus, ref allocSize, fileAttributes,
share, createDisposition, createOptions, eaBuffer, eaLength);
var fileName = Path.GetFileNameWithoutExtension(newFilePath);
var ext = Path.GetExtension(newFilePath);
var isWaveBank = ext.Equals(".xwb", StringComparison.OrdinalIgnoreCase);
VirtualWaveBank waveBank = null;
VirtualSoundBank soundBank = null;
if (isWaveBank && !mWaveBankByName.TryGetValue(fileName, out waveBank))
{
// Try get sound bank for cue names
mSoundBankByName.TryGetValue(fileName, out soundBank);
// Wave bank
mWaveBankByName[fileName] = waveBank = new VirtualWaveBank(mLogger);
// Load wave bank
using (var fileStream = new FileStream(new SafeFileHandle(handle, true), FileAccess.Read, 1024 * 1024))
waveBank.LoadFromFile(newFilePath, fileStream);
// Reopen file to reset it
result = mHooks.NtCreateFileHook.OriginalFunction(out handle, access, ref objectAttributes, ref ioStatus, ref allocSize, fileAttributes,
share, createDisposition, createOptions, eaBuffer, eaLength);
ProcessWaveBankEntries(newFilePath, soundBank, waveBank);
mLogger.Debug($"{newFilePath} registered");
}
else if (!mSoundBankByName.TryGetValue(fileName, out soundBank))
{
// Sound bank
mSoundBankByName[fileName] = soundBank = new VirtualSoundBank(mLogger);
// Load wave bank
using (var fileStream = new FileStream(new SafeFileHandle(handle, true), FileAccess.Read, 1024 * 1024))
soundBank.LoadFromFile(newFilePath, fileStream);
// Reopen file to reset it
result = mHooks.NtCreateFileHook.OriginalFunction(out handle, access, ref objectAttributes, ref ioStatus, ref allocSize, fileAttributes,
share, createDisposition, createOptions, eaBuffer, eaLength);
// Find associated wave bank
if (!mWaveBankByName.TryGetValue(soundBank.Native.WaveBankNames[0].Name, out waveBank))
{
mLogger.Error($"{newFilePath} Can't find wavebank!");
}
else
{
ProcessWaveBankEntries(newFilePath, soundBank, waveBank);
}
}
if (isWaveBank)
{
mWaveBankByHandle.Add(handle, waveBank);
mLogger.Debug($"{waveBank.FileName} Hnd {handle} registered");
}
else
{
mSoundBankByHandle.Add(handle, soundBank);
}
return(result);
}
private void ProcessWaveBankEntries(string filePath, VirtualSoundBank soundBank, VirtualWaveBank waveBank)
{
bool TryRedirectEntry(Mod mod, int i, string fileName)
{
var redirectFilePath = Path.Combine(Path.Combine(mod.LoadDirectory, "SND"), waveBank.FileName, fileName);
if (File.Exists(redirectFilePath))
{
if (waveBank.Entries[i].Redirect(redirectFilePath))
{
mLogger.Info($"{waveBank.FileName} Index: {i} Cue: {waveBank.Entries[i].CueName} redirected to {redirectFilePath}");
}
else
{
mLogger.Error($"{waveBank.FileName} Index: {i} Cue: {waveBank.Entries[i].CueName} redirecting to {redirectFilePath} failed!");
}
return(true);
}
return(false);
}
for (int i = 0; i < waveBank.Entries.Count; i++)
{
if (soundBank != null)
{
waveBank.Entries[i].CueName = soundBank.GetTrackCueName(i, 0);
}
if (waveBank.Entries[i].IsRedirected)
{
continue;
}
foreach (var mod in mModDb.Mods)
{
// Try redirect from wave/track index
if (TryRedirectEntry(mod, i, $"{i}.raw"))
{
break;
}
if (waveBank.Entries[i].CueName != null)
{
// Try redirect from cue name
if (TryRedirectEntry(mod, i, waveBank.Entries[i].CueName + ".raw"))
{
break;
}
}
}
}
}
