public static Gpw ParseGpw(string fileName)
{
if (GpwCache.TryGetValue(fileName, out Gpw gpw))
{
return(gpw);
}
using (FastBinaryReader br = VirtualFilesystem.Instance.GetFileStream(fileName))
{
gpw = new Gpw();
string header = br.ReadCString(4); // Always GAS0
gpw.AudioRange = (short)br.ReadUInt16();
ushort unk2 = br.ReadUInt16();
int unk3 = br.ReadInt32();
int unk4 = br.ReadInt32();
int unk5 = br.ReadInt32();
int unk6 = br.ReadInt32();
int unk7 = br.ReadInt32();
br.Position += 4; // Skip RIFF header
int waveFileSize = br.ReadInt32() + 8; // Read total size of audio data from RIFF header
br.Position -= 8; // Go back to RIFF header
byte[] audioData = br.ReadBytes(waveFileSize);
gpw.Clip = WavUtility.ToAudioClip(audioData, fileName);
GpwCache.Add(fileName, gpw);
return(gpw);
}
}