public PICABlendFunction(uint Param)
{
ColorEquation = (PICABlendEquation)((Param >> 0) & 7);
AlphaEquation = (PICABlendEquation)((Param >> 8) & 7);
ColorSrcFunc = (PICABlendFunc)((Param >> 16) & 0xf);
ColorDstFunc = (PICABlendFunc)((Param >> 20) & 0xf);
AlphaSrcFunc = (PICABlendFunc)((Param >> 24) & 0xf);
AlphaDstFunc = (PICABlendFunc)((Param >> 28) & 0xf);
}
private uint GetGLBlend(PICABlendEquation BlendEquation)
{
switch (BlendEquation)
{
case PICABlendEquation.FuncAdd: return(0x8006);
case PICABlendEquation.FuncSubtract: return(0x800a);
case PICABlendEquation.FuncReverseSubtract: return(0x800b);
case PICABlendEquation.Min: return(0x8007);
case PICABlendEquation.Max: return(0x8008);
}
return(0);
}
public static BlendEquationMode ToBlendEquation(this PICABlendEquation Equation)
{
switch (Equation)
{
case PICABlendEquation.FuncAdd: return(BlendEquationMode.FuncAdd);
case PICABlendEquation.FuncSubtract: return(BlendEquationMode.FuncSubtract);
case PICABlendEquation.FuncReverseSubtract: return(BlendEquationMode.FuncReverseSubtract);
case PICABlendEquation.Min: return(BlendEquationMode.Min);
case PICABlendEquation.Max: return(BlendEquationMode.Max);
default: throw new ArgumentException("Invalid Blend equation!");
}
}
public MTAlphaBlend(BinaryReader Reader)
{
//First 4 bytes seems to use bit 0 for something else, so we need to rsh the value by 1?
BlendMode = (PICABlendMode)(Reader.ReadByte() >> 1);
MTBlendFunction ColorSrcFunc = (MTBlendFunction)(Reader.ReadByte() >> 1);
MTBlendFunction ColorDstFunc = (MTBlendFunction)(Reader.ReadByte() >> 1);
PICABlendEquation ColorEqu = (PICABlendEquation)(Reader.ReadByte() >> 1);
MTBlendFunction AlphaSrcFunc = (MTBlendFunction)Reader.ReadByte();
MTBlendFunction AlphaDstFunc = (MTBlendFunction)Reader.ReadByte();
PICABlendEquation AlphaEqu = (PICABlendEquation)Reader.ReadByte();
byte Padding = Reader.ReadByte(); //?
byte[] BufferRW =
{
Reader.ReadByte(),
Reader.ReadByte(), //Always 0xf?
Reader.ReadByte(), //Always 0xf?
Reader.ReadByte(), //Always 0xf?
Reader.ReadByte(), //Always 0xf?
Reader.ReadByte(), //Always 0xf?
Reader.ReadByte(), //Always 0xf?
Reader.ReadByte() //Always 0xf?
};
BlendFunction.ColorEquation = ColorEqu;
BlendFunction.AlphaEquation = AlphaEqu;
BlendFunction.ColorSrcFunc = ColorSrcFunc.ToPICABlendFunc(false);
BlendFunction.ColorDstFunc = ColorDstFunc.ToPICABlendFunc(false);
BlendFunction.AlphaSrcFunc = ColorSrcFunc.ToPICABlendFunc(true);
BlendFunction.AlphaDstFunc = ColorDstFunc.ToPICABlendFunc(true);
RedWrite = (BufferRW[0] & 1) != 0;
GreenWrite = (BufferRW[0] & 2) != 0;
BlueWrite = (BufferRW[0] & 4) != 0;
AlphaWrite = (BufferRW[0] & 8) != 0;
}