int int_invaderCount;
ENTITY* ent_invader[3]; //change 3 to max invaders as required

function game_over()
{
	if((event_type == EVENT_IMPACT) || (event_type == EVENT_ENTITY))
	{
		wait(1);
		g_over = 1;
		ent_remove(t_bod);
		ent_remove(t_gun);
		
		int i;
		for(i = 0; i < int_invaderCount; i++){
			ent_remove(ent_invader[i]);
			ent_invader[i] = NULL;
		}
		ent_create("invader_over.mdl", vector (1000, 50, 20), NULL); //create lose frame
	}
}

action invader_attack()
{
	var attack = 0;
	set(my, PASSABLE);
	while(my)
	{
		wait(-1);
	}
}

action invader_move()
{
	ent_invader[int_invaderCount] = me; //store each invader
	c_setminmax(me);
	my.event = game_over;
	my.emask |= ENABLE_ENTITY;
	
	int_invaderCount++;
	while(me)
	{
		my.pan += 0.7;
		c_move (my, vector(imix, imiy, imiz), vector(imiax, imiay, imiaz), IGNORE_PASSABLE); // move the invader according to the ai action
		wait(1);
	}
}