public static ChannelType ToChannelType(this ChannelTypeV4 _this)
{
switch (_this)
{
case ChannelTypeV4.Vertex:
return(ChannelType.Vertex);
case ChannelTypeV4.Normal:
return(ChannelType.Normal);
case ChannelTypeV4.Color:
return(ChannelType.Color4);
case ChannelTypeV4.UV0:
return(ChannelType.UV0);
case ChannelTypeV4.UV1:
return(ChannelType.UV1);
case ChannelTypeV4.Tangent:
return(ChannelType.Tangent);
default:
throw new Exception($"Unsupported channel type {_this}");
}
}
public static byte GetStride(this ChannelTypeV4 _this)
{
ChannelFormat format = _this.GetFormat();
int dimention = _this.GetDimention();
return(ChannelInfo.CalculateStride(format, dimention));
}
public static byte GetDimention(this ChannelTypeV4 _this)
{
switch (_this)
{
case ChannelTypeV4.Vertex:
case ChannelTypeV4.Normal:
return(3);
case ChannelTypeV4.Color:
return(4);
case ChannelTypeV4.UV0:
case ChannelTypeV4.UV1:
return(2);
case ChannelTypeV4.Tangent:
return(4);
default:
throw new Exception($"Unsupported channel type {_this}");
}
}
public static ChannelFormat GetFormat(this ChannelTypeV4 _this)
{
switch (_this)
{
case ChannelTypeV4.Vertex:
case ChannelTypeV4.Normal:
return(ChannelFormat.Float);
case ChannelTypeV4.Color:
return(ChannelFormat.Color);
case ChannelTypeV4.UV0:
case ChannelTypeV4.UV1:
return(ChannelFormat.Float);
case ChannelTypeV4.Tangent:
return(ChannelFormat.Float);
default:
throw new Exception($"Unsupported channel type {_this}");
}
}
public bool IsMatch(ChannelTypeV4 channel)
{
return((ChannelMask & (1 << (int)channel)) != 0);
}