/*
================
R_RotateBmodel
================
*/
void R_RotateBmodel(void)
{
AnglesToAxis(currententity->angles, entity_rotation);
//
// rotate modelorg and the transformation matrix
//
R_EntityRotate(modelorg);
R_EntityRotate(vpn);
R_EntityRotate(vright);
R_EntityRotate(vup);
R_TransformFrustum();
}
/*
================
R_RotateBmodel
================
*/
void R_RotateBmodel (void)
{
float angle, s, c, temp1[3][3], temp2[3][3], temp3[3][3];
// TODO: should use a look-up table
// TODO: should really be stored with the entity instead of being reconstructed
// TODO: could cache lazily, stored in the entity
// TODO: share work with R_SetUpAliasTransform
// yaw
angle = currententity->angles[YAW];
angle = angle * (float) M_PI*2 / 360;
s = (float)sin(angle);
c = (float)cos(angle);
temp1[0][0] = c;
temp1[0][1] = s;
temp1[0][2] = 0;
temp1[1][0] = -s;
temp1[1][1] = c;
temp1[1][2] = 0;
temp1[2][0] = 0;
temp1[2][1] = 0;
temp1[2][2] = 1;
// pitch
angle = currententity->angles[PITCH];
angle = angle * (float)M_PI*2 / 360;
s = (float)sin(angle);
c = (float)cos(angle);
temp2[0][0] = c;
temp2[0][1] = 0;
temp2[0][2] = -s;
temp2[1][0] = 0;
temp2[1][1] = 1;
temp2[1][2] = 0;
temp2[2][0] = s;
temp2[2][1] = 0;
temp2[2][2] = c;
R_ConcatRotations (temp2, temp1, temp3);
// roll
angle = currententity->angles[ROLL];
angle = angle * (float)M_PI*2 / 360;
s = (float)sin(angle);
c = (float)cos(angle);
temp1[0][0] = 1;
temp1[0][1] = 0;
temp1[0][2] = 0;
temp1[1][0] = 0;
temp1[1][1] = c;
temp1[1][2] = s;
temp1[2][0] = 0;
temp1[2][1] = -s;
temp1[2][2] = c;
R_ConcatRotations (temp1, temp3, entity_rotation);
//
// rotate modelorg and the transformation matrix
//
R_EntityRotate (modelorg);
R_EntityRotate (vpn);
R_EntityRotate (vright);
R_EntityRotate (vup);
R_TransformFrustum ();
}
