void SetUpMainLight(Light* whichsource, int whichlight, float ambientr, float ambientg, float ambientb);
void SetUpLight(Light* whichsource, int whichlight);
void SetUpMainLight(Light* whichsource, int whichlight, float ambientr, float ambientg, float ambientb);
void SetUpLight(Light* whichsource, int whichlight);