sound_manager->preload("sounds/yeti_gna.wav");
sound_manager->preload("sounds/yeti_roar.wav");
hud_head.reset(new Surface("images/creatures/yeti/hudlife.png"));
sound_manager->preload("sounds/yeti_gna.wav");
sound_manager->preload("sounds/yeti_roar.wav");
hud_head.reset(new Surface("images/creatures/yeti/hudlife.png"));