public unsafe override IAudioSource Load(ContentStream stream, LoaderContext ctx)
{
uint frameCount = stream.ReadUInt32();
uint sampleRate = stream.ReadUInt32();
bool isStereo = stream.ReadBoolean();
bool isLossy = stream.ReadBoolean();
if (ctx.ContentType == SOUNDEFFECT_TYPE)
{
uint fullLen = frameCount * 2 * (isStereo ? 2u : 1u);
var data = Marshal.AllocHGlobal((int)fullLen);
try
{
RLADStream.DecodeAll(stream, (short *)data.ToPointer(), isStereo, frameCount);
var sb = new SoundBuffer();
sb.SetData(data, isStereo ? AudioFormat.Stereo16 : AudioFormat.Mono16, sampleRate, fullLen);
return(new SoundEffect(sb));
}
finally
{
Marshal.FreeHGlobal(data);
}
}
else // Song
{
var astream = new RLADStream(stream.Duplicate(), isStereo, frameCount);
return(new Song(astream, sampleRate));
}
}
public override Texture2D Load(ContentStream stream, LoaderContext ctx)
{
// Read the ushort dimensions
uint w = stream.ReadUInt16();
uint h = stream.ReadUInt16();
uint count = w * h;
if ((count * 4) != stream.Remaining)
{
throw new Exception($"the expected and available texture data lengths do not match ({count * 4} != {stream.Remaining}).");
}
// Read in the entirety of the pixel data (stored as RGBA packed uints)
var data = new uint[count];
for (uint i = 0; i < count; ++i)
{
data[i] = stream.ReadUInt32();
}
// Create the texture, upload the pixels, and return
Texture2D tex = new Texture2D(w, h);
tex.SetData(data);
return(tex);
}