Aurora.3/code/modules/mob/living/life.dm

/mob/living/Life(seconds_per_tick, times_fired)
	if (QDELETED(src))	// If they're being deleted, why bother?
		return FALSE

	..()

	if(transforming)
		return FALSE

	if(!loc)
		return FALSE

	var/datum/gas_mixture/environment = loc.return_air()
	//Handle temperature/pressure differences between body and environment
	if(environment)
		handle_environment(environment)

	blinded = 0 // Placing this here just show how out of place it is.

	if(handle_regular_status_updates())
		handle_status_effects()

	if(stat != DEAD)
		if(LAZYLEN(auras))
			aura_check(AURA_TYPE_LIFE)
		if(!InStasis())
			//Mutations and radiation
			handle_mutations_and_radiation()

	//Check if we're on fire
	handle_fire(seconds_per_tick, environment)

	update_pulling()

	for(var/obj/item/grab/G in src)
		INVOKE_ASYNC(G, TYPE_PROC_REF(/datum, process))

	handle_actions()

	update_canmove()

	handle_regular_hud_updates()

	if(languages.len == 1 && default_language != languages[1])
		default_language = languages[1]

	//Technonancer instability
	handle_instability()

	return 1

/mob/living/proc/handle_breathing()
	return

/mob/living/proc/handle_mutations_and_radiation()
	return

/mob/living/proc/handle_chemicals_in_body()
	return

/mob/living/proc/handle_random_events()
	return

/mob/living/proc/update_pulling()
	if(pulling)
		if(incapacitated())
			stop_pulling()

//This updates the health and status of the mob (conscious, unconscious, dead)
/mob/living/proc/handle_regular_status_updates()
	updatehealth()
	if(stat != DEAD)
		if(paralysis)
			set_stat(UNCONSCIOUS)
		else if (status_flags & FAKEDEATH)
			set_stat(UNCONSCIOUS)
		else
			set_stat(CONSCIOUS)
		return 1

/mob/living/proc/handle_status_effects()
	if(paralysis)
		paralysis = max(paralysis-1,0)
	if(stunned)
		stunned = max(stunned-1,0)
		if(!stunned)
			update_icon()

	if(weakened)
		weakened = max(weakened-1,0)
		if(!weakened)
			update_icon()

	if(confused)
		confused = max(0, confused - 1)

/mob/living/proc/handle_disabilities()
	//Eyes
	if(sdisabilities & BLIND || stat)	//blindness from disability or unconsciousness doesn't get better on its own
		eye_blind = max(eye_blind, 1)
	else if(eye_blind)			//blindness, heals slowly over time
		eye_blind = max(eye_blind-1,0)
	else if(eye_blurry)			//blurry eyes heal slowly
		eye_blurry = max(eye_blurry-1, 0)

	//Ears
	handle_hearing()

	if((is_pacified()) && a_intent == I_HURT && !is_berserk())
		to_chat(src, SPAN_NOTICE("You don't feel like harming anybody."))
		a_intent_change(I_HELP)

//this handles hud updates. Calls update_vision() and handle_hud_icons()
/mob/living/proc/handle_regular_hud_updates()
	if(!can_update_hud())
		return FALSE

	handle_hud_icons()
	handle_vision()

	return TRUE

/mob/living/proc/can_update_hud()
	if(!client || QDELETED(src))
		return FALSE
	return TRUE

/mob/living/handle_vision()
	update_sight()

	if(stat == DEAD)
		return

	if(eye_blind)
		overlay_fullscreen("blind", /atom/movable/screen/fullscreen/blind)
	else
		clear_fullscreen("blind")
		set_fullscreen(disabilities & NEARSIGHTED, "impaired", /atom/movable/screen/fullscreen/impaired, 1)
		set_fullscreen(eye_blurry, "blurry", /atom/movable/screen/fullscreen/blurry)

	set_fullscreen(stat == UNCONSCIOUS, "blackout", /atom/movable/screen/fullscreen/blackout)

	if(machine)
		var/viewflags = machine.check_eye(src)
		if(viewflags < 0)
			reset_view(null, 0)
		else if(viewflags)
			set_sight(viewflags)
	else if(eyeobj)
		eyeobj.apply_visual(src)
		if(eyeobj.owner != src)
			reset_view(null)
	else if(!client.adminobs)
		reset_view(null)

/mob/living/proc/handle_hearing()
	// deafness heals slowly over time, unless ear_damage is over HEARING_DAMAGE_LIMIT
	if(ear_damage < HEARING_DAMAGE_LIMIT)
		adjustEarDamage(-0.05, -1)
	if(sdisabilities & DEAF) //disabled-deaf, doesn't get better on its own
		setEarDamage(-1, max(ear_deaf, 1))

/mob/living/proc/update_sight()
	if(stop_sight_update)
		return

	set_sight(0)
	if(stat == DEAD || (eyeobj && !eyeobj.living_eye))
		update_dead_sight()
	else
		update_living_sight()

	var/list/vision = get_accumulated_vision_handlers()
	set_sight(sight | vision[1])
	set_see_invisible(max(vision[2], see_invisible))
	sync_lighting_plane_alpha()

/mob/living/proc/update_living_sight()
	var/set_sight_flags = is_ventcrawling ? (SEE_TURFS) : sight & ~(SEE_TURFS|SEE_MOBS|SEE_OBJS)
	if(is_ventcrawling)
		set_sight_flags |= BLIND
	else
		set_sight_flags &= ~BLIND

	set_sight(set_sight_flags)
	set_see_invisible(see_invisible)

/mob/living/proc/update_dead_sight()
	set_sight(sight|SEE_TURFS|SEE_MOBS|SEE_OBJS)
	set_see_invisible(SEE_INVISIBLE_LEVEL_TWO)

/mob/living/proc/handle_hud_icons()
	handle_hud_icons_health()
	handle_hud_glasses()

/mob/living/proc/handle_hud_icons_health()
	return

/mob/living
	var/datum/weakref/last_weather

/mob/living/proc/is_outside()
	var/turf/T = loc
	return istype(T) && T.is_outside()

/mob/living/proc/get_affecting_weather()
	var/turf/my_turf = get_turf(src)
	if(!istype(my_turf))
		return
	var/turf/actual_loc = loc
	// If we're standing in the rain, use the turf weather.
	. = istype(actual_loc) && actual_loc.weather
	if(!.) // If we're under or inside shelter, use the z-level rain (for ambience)
		. = SSweather.weather_by_z["[my_turf.z]"]

/mob/living/proc/handle_environment(var/datum/gas_mixture/environment)

	SHOULD_CALL_PARENT(TRUE)

	// Handle physical effects of weather.
	var/singleton/state/weather/weather_state
	var/obj/abstract/weather_system/weather = get_affecting_weather()
	if(weather)
		weather_state = weather.weather_system.current_state
		if(istype(weather_state))
			weather_state.handle_exposure(src, get_weather_exposure(weather), weather)

	// Refresh weather ambience.
	// Show messages and play ambience.
	if(client)

		// Work out if we need to change or cancel the current ambience sound.
		var/send_sound
		var/mob_ref = WEAKREF(src)
		if(istype(weather_state))
			var/ambient_sounds = !is_outside() ? weather_state.ambient_indoors_sounds : weather_state.ambient_sounds
			var/ambient_sound = length(ambient_sounds) && pick(ambient_sounds)
			if(GLOB.current_mob_ambience[mob_ref] == ambient_sound)
				return
			send_sound = ambient_sound
			GLOB.current_mob_ambience[mob_ref] = send_sound
		else if(mob_ref in GLOB.current_mob_ambience)
			GLOB.current_mob_ambience -= mob_ref
		else
			return

		// Push sound to client. Pipe dream TODO: crossfade between the new and old weather ambience.
		sound_to(src, sound(null, repeat = 0, wait = 0, volume = 0, channel = GLOB.sound_channels.weather_channel))
		if(send_sound)
			sound_to(src, sound(send_sound, repeat = TRUE, wait = 0, volume = 30, channel = GLOB.sound_channels.weather_channel))