private bool NormalizedAffineInvert()
{
float num11 = (this.M12 * this.M23) - (this.M22 * this.M13);
float num10 = (this.M32 * this.M13) - (this.M12 * this.M33);
float num9 = (this.M22 * this.M33) - (this.M32 * this.M23);
float num8 = ((this.M31 * num11) + (this.M21 * num10)) + (this.M11 * num9);
if (MathUtility.IsZero(num8))
{
return(false);
}
float num20 = (this.M21 * this.M13) - (this.M11 * this.M23);
float num19 = (this.M11 * this.M33) - (this.M31 * this.M13);
float num18 = (this.M31 * this.M23) - (this.M21 * this.M33);
float num7 = (this.M11 * this.M22) - (this.M21 * this.M12);
float num6 = (this.M11 * this.M32) - (this.M31 * this.M12);
float num5 = (this.M11 * this.M42) - (this.M41 * this.M12);
float num4 = (this.M21 * this.M32) - (this.M31 * this.M22);
float num3 = (this.M21 * this.M42) - (this.M41 * this.M22);
float num2 = (this.M31 * this.M42) - (this.M41 * this.M32);
float num17 = ((this.M23 * num5) - (this.M43 * num7)) - (this.M13 * num3);
float num16 = ((this.M13 * num2) - (this.M33 * num5)) + (this.M43 * num6);
float num15 = ((this.M33 * num3) - (this.M43 * num4)) - (this.M23 * num2);
float num14 = num7;
float num13 = -num6;
float num12 = num4;
float num = 1.0f / num8;
this.M11 = num9 * num;
this.M12 = num10 * num;
this.M13 = num11 * num;
this.M21 = num18 * num;
this.M22 = num19 * num;
this.M23 = num20 * num;
this.M31 = num12 * num;
this.M32 = num13 * num;
this.M33 = num14 * num;
this.M41 = num15 * num;
this.M42 = num16 * num;
this.M43 = num17 * num;
return(true);
}
private bool InvertCore()
{
if (!IsDistinguishedIdentity)
{
if (IsAffine)
{
return(NormalizedAffineInvert());
}
float num7 = (this.M13 * this.M24) - (this.M23 * this.M14);
float num6 = (this.M13 * this.M34) - (this.M33 * this.M14);
float num5 = (this.M13 * this.M44) - (this.M43 * this.M14);
float num4 = (this.M23 * this.M34) - (this.M33 * this.M24);
float num3 = (this.M23 * this.M44) - (this.M43 * this.M24);
float num2 = (this.M33 * this.M44) - (this.M43 * this.M34);
float num12 = ((this.M22 * num6) - (this.M32 * num7)) - (this.M12 * num4);
float num11 = ((this.M12 * num3) - (this.M22 * num5)) + (this.M42 * num7);
float num10 = ((this.M32 * num5) - (this.M42 * num6)) - (this.M12 * num2);
float num9 = ((this.M22 * num2) - (this.M32 * num3)) + (this.M42 * num4);
float num8 = (((this.M41 * num12) + (this.M31 * num11)) + (this.M21 * num10)) + (this.M11 * num9);
if (MathUtility.IsZero(num8))
{
return(false);
}
float num24 = ((this.M11 * num4) - (this.M21 * num6)) + (this.M31 * num7);
float num23 = ((this.M21 * num5) - (this.M41 * num7)) - (this.M11 * num3);
float num22 = ((this.M11 * num2) - (this.M31 * num5)) + (this.M41 * num6);
float num21 = ((this.M31 * num3) - (this.M41 * num4)) - (this.M21 * num2);
num7 = (this.M11 * this.M22) - (this.M21 * this.M12);
num6 = (this.M11 * this.M32) - (this.M31 * this.M12);
num5 = (this.M11 * this.M42) - (this.M41 * this.M12);
num4 = (this.M21 * this.M32) - (this.M31 * this.M22);
num3 = (this.M21 * this.M42) - (this.M41 * this.M22);
num2 = (this.M31 * this.M42) - (this.M41 * this.M32);
float num20 = ((this.M13 * num4) - (this.M23 * num6)) + (this.M33 * num7);
float num19 = ((this.M23 * num5) - (this.M43 * num7)) - (this.M13 * num3);
float num18 = ((this.M13 * num2) - (this.M33 * num5)) + (this.M43 * num6);
float num17 = ((this.M33 * num3) - (this.M43 * num4)) - (this.M23 * num2);
float num16 = ((this.M24 * num6) - (this.M34 * num7)) - (this.M14 * num4);
float num15 = ((this.M14 * num3) - (this.M24 * num5)) + (this.M44 * num7);
float num14 = ((this.M34 * num5) - (this.M44 * num6)) - (this.M14 * num2);
float num13 = ((this.M24 * num2) - (this.M34 * num3)) + (this.M44 * num4);
float num = 1.0f / num8;
this.M11 = num9 * num;
this.M12 = num10 * num;
this.M13 = num11 * num;
this.M14 = num12 * num;
this.M21 = num21 * num;
this.M22 = num22 * num;
this.M23 = num23 * num;
this.M24 = num24 * num;
this.M31 = num13 * num;
this.M32 = num14 * num;
this.M33 = num15 * num;
this.M34 = num16 * num;
this.M41 = num17 * num;
this.M42 = num18 * num;
this.M43 = num19 * num;
this.M44 = num20 * num;
}
return(true);
}
