W component

    FPackedNormal& operator=(const uint16& InData)
    {
        auto x = (byte)(InData & 0xFF);
        auto y = (byte)((InData >> 8) & 0xFF);

        //ugly af, copied the vertex shader glsl code, didnt bother with W component
        FVector2D v27; // = v30;
        float f29;
        v27.X = x;
        v27.Y = y;
        if (((int)(x + 0.5f)) > 127 && ((int)(y + 0.5f)) > 127)
        {
            v27.X = (v27.X + -128.0f) / 127.0f;
            v27.Y = (v27.Y + -128.0f) / 127.0f;
            f29 = -1.0f;
        }
        else
        {
            v27.X /= 127.0f;
            v27.Y /= 127.0f;
            f29 = 1.0f;
        }
        FVector2D v31;
        v31.X = (v27.X * 2) + -1.0f;
        v31.Y = (v27.Y * 2) + -1.0f;
        FVector v32;
        v32.Set(v31.X, v31.Y, 1.0f + -(1.0f * fabsf(v31.X) + 1.0f * fabsf(v31.Y)));
        FVector v28 = v32;
        if (v32.Z < 0.0f)
        {
            FVector2D v33;
            v33.X = fabsf(v32.Y);
            v33.Y = fabsf(v32.X);
            FVector2D v34;
            v34.X = v32.X >= 0.0f ? 1.0f : -1.0f;
            v34.Y = v32.Y >= 0.0f ? 1.0f : -1.0f;
            v28.X = (1.0f + -v33.X) * v34.X;
            v28.Y = (1.0f + -v33.Y) * v34.Y;
        }
        CVec3 v35 = (CVec3&)v28;
        v35.Normalize();
        v28 = (FVector&)v35;
        FVector4 v36;
        v36.X = v28.X;
        v36.Y = v28.Y;
        v36.Z = v28.Z;
        v36.W = f29;
        return *this = v36;
    }