private void Read(EndianBinaryReader reader, IndexAttributeFlags flags)
{
// always big endian
var endianness = reader.Endianness;
reader.Endianness = Endianness.Big;
UnpackFlags(reader.ReadByte());
var indexCount = reader.ReadUInt16();
Indices = new Index[indexCount];
for (int i = 0; i < indexCount; i++)
{
ref var index = ref Indices[i];
if (flags.HasFlag(IndexAttributeFlags.HasPosition))
{
index.PositionIndex = flags.HasFlag(IndexAttributeFlags.Position16BitIndex) ? reader.ReadUInt16() : reader.ReadByte();
}
else
{
index.PositionIndex = ushort.MaxValue;
}
if (flags.HasFlag(IndexAttributeFlags.HasNormal))
{
index.NormalIndex = flags.HasFlag(IndexAttributeFlags.Normal16BitIndex) ? reader.ReadUInt16() : reader.ReadByte();
}
else
{
index.NormalIndex = ushort.MaxValue;
}
if (flags.HasFlag(IndexAttributeFlags.HasColor))
{
index.ColorIndex = flags.HasFlag(IndexAttributeFlags.Color16BitIndex) ? reader.ReadUInt16() : reader.ReadByte();
}
else
{
index.ColorIndex = ushort.MaxValue;
}
if (flags.HasFlag(IndexAttributeFlags.HasUV))
{
index.UVIndex = flags.HasFlag(IndexAttributeFlags.UV16BitIndex) ? reader.ReadUInt16() : reader.ReadByte();
}
else
{
index.UVIndex = ushort.MaxValue;
}
}
public override void Read(byte[] file, int address)
{
IndexAttributes = (IndexAttributeFlags)ByteConverter.ToInt32(file, address);
}
public IndexAttributeParameter(IndexAttributeFlags flags)
{
ParameterType = ParameterType.IndexAttributeFlags;
IndexAttributes = flags;
}
internal override void ReadBody(MeshStateParamType type, EndianBinaryReader reader)
{
Flags = ( IndexAttributeFlags )reader.ReadInt32();
}
public IndexAttributeFlagsParam(IndexAttributeFlags flags)
{
Flags = flags;
}
