protected void RecalculateSoundAssetSize(int i, SoundAsset asi)
{
SoundAsset nearest = null;
for (int j = 0; j < Assets.Length; j++)
{
if (j == i)
{
continue;
}
Asset aj = Assets[j];
if (aj.Type != AssetType.SOUND)
{
continue;
}
SoundAsset asj = (SoundAsset)aj;
if (!asj.StoredExternally)
{
continue;
}
if (asj.SoundOffset >= asi.SoundEnd)
{
if (asj.SoundOffset == asi.SoundEnd)
{
nearest = asj;
break;
}
if (nearest == null)
{
nearest = asj;
}
else if (nearest.SoundOffset > asj.SoundOffset)
{
nearest = asj;
}
}
}
if ((nearest != null) &&
(nearest.SoundOffset != UInt32.MaxValue))
{
if (asi.SoundEnd != nearest.SoundOffset)
{
asi.SoundEnd = nearest.SoundOffset;
}
}
}
protected void RecalculateSoundSizes()
{
for (int i = 0; i < Assets.Length; i++)
{
Asset ai = Assets[i];
if (ai.Type != AssetType.SOUND)
{
continue;
}
SoundAsset asi = (SoundAsset)ai;
if (!asi.StoredExternally)
{
continue;
}
RecalculateSoundAssetSize(i, asi);
}
}
protected void Extract(Asset asset, Stream outStream)
{
FileStream stream;
if (asset.Type == AssetType.SOUND)
{
SoundAsset soundAsset = (SoundAsset)asset;
if (soundAsset.StoredExternally)
{
stream = File.OpenRead(fileSound);
try {
stream.Position = soundAsset.SoundOffset;
Extract(stream, outStream, soundAsset.SoundLength);
return;
}
finally {
stream.Close();
}
}
}
stream = File.OpenRead(file);
try {
stream.Position = BeginningOfData + asset.Offset + asset.HeaderLength;
UInt32 length = asset.ActualSize;
switch (asset.Type)
{
case AssetType.TEXT:
// Text files are length prefixed.
stream.Position += 4;
length -= 4;
break;
case AssetType.SOUND:
if (asset.ActualSize > 24)
{
stream.Position += 20;
length -= 20;
if (!CheckAudioHeader(stream))
{
throw new Exception("Invalid sound format");
}
}
break;
default:
break;
}
asset.Extract(stream, outStream, length);
}
finally {
stream.Dispose();
}
}
public AssetFile(string file)
{
this.file = file;
this.fileSound = file + ".resS";
if (!File.Exists(fileSound))
{
fileSound = null;
}
FileStream stream = File.OpenRead(file);
try {
BinaryReader reader = new BinaryReader(stream);
UInt32 assetCount;
HeaderLength = ReverseBytes(reader.ReadUInt32());
FileSize = ReverseBytes(reader.ReadUInt32());
Unknown2 = ReverseBytes(reader.ReadUInt32());
BeginningOfData = ReverseBytes(reader.ReadUInt32());
Unknown4 = reader.ReadUInt32();
Version = Encoding.UTF8.GetString(reader.ReadBytes(8)).Trim('\0');
Unknown5 = reader.ReadUInt32();
Unknown6 = reader.ReadUInt32();
Unknown7 = reader.ReadUInt32();
assetCount = reader.ReadUInt32();
Assets = new Asset[assetCount];
for (int index = 0; index < assetCount; index++)
{
Assets[index] = new Asset(reader);
switch (Assets[index].Type)
{
case AssetType.SOUND:
Assets[index] = new SoundAsset(Assets[index]);
break;
case AssetType.TEXTURE:
Assets[index] = new TextureAsset(Assets[index]);
break;
default:
break;
}
}
foreach (Asset asset in Assets)
{
if (asset.Type == (AssetType)1)
{
asset.Name = "";
continue;
}
stream.Position = BeginningOfData + asset.Offset;
//*******************
//* Read the name
//*******************
reader = new BinaryReader(stream);
UInt32 nameLength = reader.ReadUInt32();
asset.Name = Encoding.UTF8.GetString(reader.ReadBytes((int)nameLength));
if (nameLength % 4 == 0)
{
asset.HeaderLength = 4 + nameLength;
}
else
{
asset.HeaderLength = 4 + nameLength + (4 - (nameLength % 4));
}
//**************************
//* Parse the sound header
//**************************
if (asset.Type == AssetType.SOUND)
{
stream.Position = BeginningOfData + asset.Offset + asset.HeaderLength;
SoundAsset soundAsset = (SoundAsset)asset;
reader = new BinaryReader(stream);
soundAsset.SoundUnknown0 = reader.ReadUInt32();
soundAsset.SoundUnknown1 = reader.ReadUInt32();
soundAsset.SoundUnknown2 = reader.ReadUInt32();
soundAsset.SoundType = reader.ReadUInt32();
soundAsset.SoundLength = reader.ReadUInt32();
if (soundAsset.ActualSize == 24)
{
soundAsset.SoundOffset = reader.ReadUInt32();
}
}
//**************************
//* Parse the texture header
//**************************
if (asset.Type == AssetType.TEXTURE)
{
stream.Position = BeginningOfData + asset.Offset + asset.HeaderLength;
((TextureAsset)asset).Parse(stream);
}
}
}
finally {
stream.Dispose();
}
RecalculateSoundSizes();
}
