Success!

Ah, the wonders of a few cout commands and taking it one transform at a time.

The order of transforms for setting the camera position is this:


     glRotatef(Camera->theta,1,0,0);
     glRotatef(Camera->phi,0,1,0);
     glTranslatef(Camera->pos.x, -Camera->pos.y, Camera->pos.z);


And the order of transforms for adding an object in front of the camera is this:


     glTranslatef(-Camera->pos.x, Camera->pos.y, -Camera->pos.z);
     glRotatef(-Camera->phi,0,1,0);
     glRotatef(-Camera->theta,1,0,0);


So it's essentially an inverse matrix.

Now I have to figure out why on earth my mouse is seemingly warping at specific instances, causing the object location (and camera) to move drastically. Eesh.