public List <byte> GetBytes(VTX_FLAGS flags)
{
List <byte> bytes = new List <byte>();
int size = 0;
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_POS))
{
bytes.AddRange(BitConverter.GetBytes(PositionX));
bytes.AddRange(BitConverter.GetBytes(PositionY));
bytes.AddRange(BitConverter.GetBytes(PositionZ));
size += 12;
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_NORM))
{
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
bytes.AddRange(Half.GetBytes((Half)NormalX));
bytes.AddRange(Half.GetBytes((Half)NormalY));
bytes.AddRange(Half.GetBytes((Half)NormalZ));
bytes.AddRange(new byte[2]);
size += 8;
}
else
{
bytes.AddRange(BitConverter.GetBytes(NormalX));
bytes.AddRange(BitConverter.GetBytes(NormalY));
bytes.AddRange(BitConverter.GetBytes(NormalZ));
size += 12;
}
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_TANGENT))
{
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
bytes.AddRange(Half.GetBytes((Half)TangentX));
bytes.AddRange(Half.GetBytes((Half)TangentY));
bytes.AddRange(Half.GetBytes((Half)TangentZ));
bytes.AddRange(new byte[2]);
size += 8;
}
else
{
bytes.AddRange(BitConverter.GetBytes(TangentX));
bytes.AddRange(BitConverter.GetBytes(TangentY));
bytes.AddRange(BitConverter.GetBytes(TangentZ));
size += 12;
}
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_TEX))
{
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
bytes.AddRange(Half.GetBytes((Half)TextureU));
bytes.AddRange(Half.GetBytes((Half)TextureV));
size += 4;
}
else
{
bytes.AddRange(BitConverter.GetBytes(TextureU));
bytes.AddRange(BitConverter.GetBytes(TextureV));
size += 8;
}
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_TEX2))
{
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
bytes.AddRange(Half.GetBytes((Half)Texture2U));
bytes.AddRange(Half.GetBytes((Half)Texture2V));
size += 4;
}
else
{
bytes.AddRange(BitConverter.GetBytes(Texture2U));
bytes.AddRange(BitConverter.GetBytes(Texture2V));
size += 8;
}
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COLOR))
{
bytes.Add(ColorR);
bytes.Add(ColorG);
bytes.Add(ColorB);
bytes.Add(ColorA);
size += 4;
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_BLEND_WEIGHT))
{
bytes.Add(BlendIndexes[0]);
bytes.Add(BlendIndexes[1]);
bytes.Add(BlendIndexes[2]);
bytes.Add(BlendIndexes[3]);
size += 4;
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
bytes.AddRange(Half.GetBytes((Half)BlendWeights[0]));
bytes.AddRange(Half.GetBytes((Half)BlendWeights[1]));
bytes.AddRange(Half.GetBytes((Half)BlendWeights[2]));
bytes.AddRange(Half.GetBytes((Half)0f));
size += 8; //An additional 2 bytes of padding added at the end
}
else
{
bytes.AddRange(BitConverter.GetBytes(BlendWeights[0]));
bytes.AddRange(BitConverter.GetBytes(BlendWeights[1]));
bytes.AddRange(BitConverter.GetBytes(BlendWeights[2]));
bytes.AddRange(BitConverter.GetBytes(0f));
size += 16;
}
}
if (size != bytes.Count)
{
throw new Exception(String.Format("EMD_Vertex size mismatch. Expected a size of {0}, but it was {1}. (Flags: {2})", size, bytes.Count, flags));
}
return(bytes);
}
} //Size 3 (if float16, then 2 bytes of padding after)
public static int GetVertexSize(VTX_FLAGS flags)
{
int size = 0;
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_POS))
{
size += 12;
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_NORM))
{
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
size += 8;
}
else
{
size += 12;
}
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_TANGENT))
{
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
size += 8;
}
else
{
size += 12;
}
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_TEX))
{
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
size += 4;
}
else
{
size += 8;
}
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_TEX2))
{
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
size += 4;
}
else
{
size += 8;
}
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COLOR))
{
size += 4;
}
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_BLEND_WEIGHT))
{
size += 4;
if (flags.HasFlag(VTX_FLAGS.EMD_VTX_FLAG_COMPRESSED_FORMAT))
{
size += 8;
}
else
{
size += 16;
}
}
return(size);
}
