R_ConcatRotations
================
*/
-void R_ConcatRotations (const float in1[3][3], const float in2[3][3], float out[3][3])
+void R_ConcatRotations (const float in1[3*3], const float in2[3*3], float out[3*3])
{
- out[0][0] = in1[0][0] * in2[0][0] + in1[0][1] * in2[1][0] + in1[0][2] * in2[2][0];
- out[0][1] = in1[0][0] * in2[0][1] + in1[0][1] * in2[1][1] + in1[0][2] * in2[2][1];
- out[0][2] = in1[0][0] * in2[0][2] + in1[0][1] * in2[1][2] + in1[0][2] * in2[2][2];
- out[1][0] = in1[1][0] * in2[0][0] + in1[1][1] * in2[1][0] + in1[1][2] * in2[2][0];
- out[1][1] = in1[1][0] * in2[0][1] + in1[1][1] * in2[1][1] + in1[1][2] * in2[2][1];
- out[1][2] = in1[1][0] * in2[0][2] + in1[1][1] * in2[1][2] + in1[1][2] * in2[2][2];
- out[2][0] = in1[2][0] * in2[0][0] + in1[2][1] * in2[1][0] + in1[2][2] * in2[2][0];
- out[2][1] = in1[2][0] * in2[0][1] + in1[2][1] * in2[1][1] + in1[2][2] * in2[2][1];
- out[2][2] = in1[2][0] * in2[0][2] + in1[2][1] * in2[1][2] + in1[2][2] * in2[2][2];
+ out[0*3+ 0] = in1[0*3+ 0] * in2[0*3+ 0] + in1[0*3+ 1] * in2[1*3+ 0] + in1[0*3+ 2] * in2[2*3+ 0];
+ out[0*3+ 1] = in1[0*3+ 0] * in2[0*3+ 1] + in1[0*3+ 1] * in2[1*3+ 1] + in1[0*3+ 2] * in2[2*3+ 1];
+ out[0*3+ 2] = in1[0*3+ 0] * in2[0*3+ 2] + in1[0*3+ 1] * in2[1*3+ 2] + in1[0*3+ 2] * in2[2*3+ 2];
+ out[1*3+ 0] = in1[1*3+ 0] * in2[0*3+ 0] + in1[1*3+ 1] * in2[1*3+ 0] + in1[1*3+ 2] * in2[2*3+ 0];
+ out[1*3+ 1] = in1[1*3+ 0] * in2[0*3+ 1] + in1[1*3+ 1] * in2[1*3+ 1] + in1[1*3+ 2] * in2[2*3+ 1];
+ out[1*3+ 2] = in1[1*3+ 0] * in2[0*3+ 2] + in1[1*3+ 1] * in2[1*3+ 2] + in1[1*3+ 2] * in2[2*3+ 2];
+ out[2*3+ 0] = in1[2*3+ 0] * in2[0*3+ 0] + in1[2*3+ 1] * in2[1*3+ 0] + in1[2*3+ 2] * in2[2*3+ 0];
+ out[2*3+ 1] = in1[2*3+ 0] * in2[0*3+ 1] + in1[2*3+ 1] * in2[1*3+ 1] + in1[2*3+ 2] * in2[2*3+ 1];
+ out[2*3+ 2] = in1[2*3+ 0] * in2[0*3+ 2] + in1[2*3+ 1] * in2[1*3+ 2] + in1[2*3+ 2] * in2[2*3+ 2];
}
R_ConcatTransforms
================
*/
-void R_ConcatTransforms (const float in1[3][4], const float in2[3][4], float out[3][4])
+void R_ConcatTransforms (const float in1[3*4], const float in2[3*4], float out[3*4])
{
- out[0][0] = in1[0][0] * in2[0][0] + in1[0][1] * in2[1][0] + in1[0][2] * in2[2][0];
- out[0][1] = in1[0][0] * in2[0][1] + in1[0][1] * in2[1][1] + in1[0][2] * in2[2][1];
- out[0][2] = in1[0][0] * in2[0][2] + in1[0][1] * in2[1][2] + in1[0][2] * in2[2][2];
- out[0][3] = in1[0][0] * in2[0][3] + in1[0][1] * in2[1][3] + in1[0][2] * in2[2][3] + in1[0][3];
- out[1][0] = in1[1][0] * in2[0][0] + in1[1][1] * in2[1][0] + in1[1][2] * in2[2][0];
- out[1][1] = in1[1][0] * in2[0][1] + in1[1][1] * in2[1][1] + in1[1][2] * in2[2][1];
- out[1][2] = in1[1][0] * in2[0][2] + in1[1][1] * in2[1][2] + in1[1][2] * in2[2][2];
- out[1][3] = in1[1][0] * in2[0][3] + in1[1][1] * in2[1][3] + in1[1][2] * in2[2][3] + in1[1][3];
- out[2][0] = in1[2][0] * in2[0][0] + in1[2][1] * in2[1][0] + in1[2][2] * in2[2][0];
- out[2][1] = in1[2][0] * in2[0][1] + in1[2][1] * in2[1][1] + in1[2][2] * in2[2][1];
- out[2][2] = in1[2][0] * in2[0][2] + in1[2][1] * in2[1][2] + in1[2][2] * in2[2][2];
- out[2][3] = in1[2][0] * in2[0][3] + in1[2][1] * in2[1][3] + in1[2][2] * in2[2][3] + in1[2][3];
+ out[0*4+0] = in1[0*4+0] * in2[0*4+0] + in1[0*4+1] * in2[1*4+0] + in1[0*4+2] * in2[2*4+0];
+ out[0*4+1] = in1[0*4+0] * in2[0*4+1] + in1[0*4+1] * in2[1*4+1] + in1[0*4+2] * in2[2*4+1];
+ out[0*4+2] = in1[0*4+0] * in2[0*4+2] + in1[0*4+1] * in2[1*4+2] + in1[0*4+2] * in2[2*4+2];
+ out[0*4+3] = in1[0*4+0] * in2[0*4+3] + in1[0*4+1] * in2[1*4+3] + in1[0*4+2] * in2[2*4+3] + in1[0*4+3];
+ out[1*4+0] = in1[1*4+0] * in2[0*4+0] + in1[1*4+1] * in2[1*4+0] + in1[1*4+2] * in2[2*4+0];
+ out[1*4+1] = in1[1*4+0] * in2[0*4+1] + in1[1*4+1] * in2[1*4+1] + in1[1*4+2] * in2[2*4+1];
+ out[1*4+2] = in1[1*4+0] * in2[0*4+2] + in1[1*4+1] * in2[1*4+2] + in1[1*4+2] * in2[2*4+2];
+ out[1*4+3] = in1[1*4+0] * in2[0*4+3] + in1[1*4+1] * in2[1*4+3] + in1[1*4+2] * in2[2*4+3] + in1[1*4+3];
+ out[2*4+0] = in1[2*4+0] * in2[0*4+0] + in1[2*4+1] * in2[1*4+0] + in1[2*4+2] * in2[2*4+0];
+ out[2*4+1] = in1[2*4+0] * in2[0*4+1] + in1[2*4+1] * in2[1*4+1] + in1[2*4+2] * in2[2*4+1];
+ out[2*4+2] = in1[2*4+0] * in2[0*4+2] + in1[2*4+1] * in2[1*4+2] + in1[2*4+2] * in2[2*4+2];
+ out[2*4+3] = in1[2*4+0] * in2[0*4+3] + in1[2*4+1] * in2[1*4+3] + in1[2*4+2] * in2[2*4+3] + in1[2*4+3];
}