last_time = get_minute(); end_time = last_time + 60 + rand()%60;
end_time = SDL_GetTicks() + 60000 + rand()%120000;
Npc_poison_timer::Npc_poison_timer	(	Npc_timer_list *l	) : Npc_timer(l)	{	last_time = get_minute();	// Lasts 1-2 hours.	end_time = last_time + 60 + rand()%60;	}