return true if there exist any light sources */
| 716 | |
| 717 | /* return true if there exist any light sources */ |
| 718 | boolean |
| 719 | any_light_source(void) |
| 720 | { |
| 721 | return (boolean) (gl.light_base != (light_source *) 0); |
| 722 | } |
| 723 | |
| 724 | /* |
| 725 | * Snuff an object light source if at (x,y). This currently works |