function dothis(var passinto){
	if (event_type == EVENT_IMPACT){		
		beep();
                wait(passinto);
	}	
}
action elevator_move(){
	my.emask |= ENABLE_IMPACT;
	my.event = dothis(5);
}

function dothis(var passinto){
	if (event_type == EVENT_IMPACT){		
		beep();
                wait(my.skill80);
	}	
}
action elevator_move(){
	my.emask |= ENABLE_IMPACT;
	my.event = dothis;
	my.skill80 = 5;
}

/*
 * Stops the entity from receiving events of type e_type
 * until no instances of f are running for that entity.
 *
 * f: The function to be waited for.
 * e_type: The type of events to be disabled.
 */
void event_lock(void* f,fixed e_type)
{
	if (!my)
		return;
	
	my->emask &= ~e_type;
	
	while (proc_status2(f,me) != 0)
		wait(1);
	
	my->emask |= e_type;
}


function this_event()
{
  if(event_type == EVENT_IMPACT)
  {
    beep();
    event_lock(this_event, ENABLE_IMPACT);
    wait(my.skill88); 
  }
}

// OR
function call_out_to_wait(ENTITY* event_ent)
{
 ENTITY ent_event_ent =event_ent;
 wait(my.skill88);
  ...do more stuff....;
}

function this_event()
{
   if(event_type == EVENT_IMPACT);
   {
     beep();
     call_out_to_wait(you); 
   }
}