public static HwBuffer FromVertexData(BinaryReader reader, GameType gameType, BaseRenderDataStreamingMode streamingMode, uint ByteStride, uint ElementCount)
{
return(FromData(reader, gameType, BaseDataBufferFormat.Structured, streamingMode, ByteStride, ElementCount));
}
public static HwBuffer FromIndexData(BinaryReader reader, GameType gameType, BaseIndexFormat format, BaseRenderDataStreamingMode streamingMode, uint elementCount)
{
var dataFormat = format switch
{
BaseIndexFormat.Index16 => BaseDataBufferFormat.R_UINT_16,
BaseIndexFormat.Index32 => BaseDataBufferFormat.R_UINT_32,
_ => throw new NotSupportedException("Unknown index buffer type"),
};
return(FromData(reader, gameType, dataFormat, streamingMode, GetStrideForFormat(dataFormat), elementCount));
}
public static HwBuffer FromData(BinaryReader reader, GameType gameType, BaseDataBufferFormat format, BaseRenderDataStreamingMode streamingMode, uint byteStride, uint elementCount)
{
if (streamingMode != BaseRenderDataStreamingMode.NotStreaming && streamingMode != BaseRenderDataStreamingMode.Streaming)
{
throw new InvalidDataException("Invalid streaming mode");
}
var buffer = new HwBuffer
{
Format = format,
ElementStride = byteStride,
ElementCount = elementCount,
StreamingMode = streamingMode,
};
if (buffer.StreamingMode == BaseRenderDataStreamingMode.Streaming)
{
if (gameType == GameType.HZD)
{
buffer.StreamInfo = BaseStreamHandle.FromData(reader, gameType);
}
else
{
buffer.StreamInfo = null;
}
}
else
{
// Read raw data
buffer.Data = reader.ReadBytesStrict(elementCount * byteStride);
}
return(buffer);
}