+ {
+ /* opening door sound has priority over simultaneously closing door */
+ if (door_state & (DOOR_OPEN_1 | DOOR_OPEN_2))
+ PlaySoundStereo(SND_MENU_DOOR_OPENING, SOUND_MAX_RIGHT);
+ else if (door_state & (DOOR_CLOSE_1 | DOOR_CLOSE_2))
+ PlaySoundStereo(SND_MENU_DOOR_CLOSING, SOUND_MAX_RIGHT);
+ }