Adds a knockedout trait, begins refactoring mobility 2.0 (#51348)

* ko

* change request

code/__DEFINES/traits.dm

@@ -76,6 +76,7 @@ Remember to update _globalvars/traits.dm if you're adding/removing/renaming trai
 */
 
 //mob traits
+#define TRAIT_KNOCKEDOUT		"knockedout" //Forces the user to stay unconscious.
 #define TRAIT_INCAPACITATED		"incapacitated"
 #define TRAIT_BLIND 			"blind"
 #define TRAIT_MUTE				"mute"
@@ -257,6 +258,8 @@ Remember to update _globalvars/traits.dm if you're adding/removing/renaming trai
 #define GLASSES_TRAIT "glasses"
 #define VEHICLE_TRAIT "vehicle" // inherited from riding vehicles
 #define INNATE_TRAIT "innate"
+#define CRIT_HEALTH_TRAIT "crit_health"
+#define OXYLOSS_TRAIT "oxyloss"
 
 // unique trait sources, still defines
 #define CLONING_POD_TRAIT "cloning-pod"

code/_onclick/cyborg.dm

@@ -14,7 +14,7 @@
 	if(check_click_intercept(params,A))
 		return
 
-	if(stat || lockcharge || IsParalyzed() || IsStun() || IsUnconscious())
+	if(stat || lockcharge || IsParalyzed() || IsStun())
 		return
 
 	var/list/modifiers = params2list(params)

code/datums/diseases/advance/symptoms/heal.dm

@@ -267,20 +267,19 @@
 	var/mob/living/M = A.affected_mob
 	if(HAS_TRAIT(M, TRAIT_DEATHCOMA))
 		return power
-	else if(M.IsUnconscious() || M.stat == UNCONSCIOUS)
+	if(M.IsSleeping())
+		return power * 0.25 //Voluntary unconsciousness yields lower healing.
+	if(M.stat == UNCONSCIOUS)
 		return power * 0.9
-	else if(M.stat == SOFT_CRIT)
+	if(M.stat == SOFT_CRIT)
 		return power * 0.5
-	else if(M.IsSleeping())
-		return power * 0.25
-	else if(M.getBruteLoss() + M.getFireLoss() >= 70 && !active_coma)
+	if(M.getBruteLoss() + M.getFireLoss() >= 70 && !active_coma)
 		to_chat(M, "<span class='warning'>You feel yourself slip into a regenerative coma...</span>")
 		active_coma = TRUE
 		addtimer(CALLBACK(src, .proc/coma, M), 60)
 
 /datum/symptom/heal/coma/proc/coma(mob/living/M)
 	M.fakedeath("regenerative_coma", !deathgasp)
-	M.update_stat()
 	M.update_mobility()
 	addtimer(CALLBACK(src, .proc/uncoma, M), 300)
 
@@ -289,7 +288,6 @@
 		return
 	active_coma = FALSE
 	M.cure_fakedeath("regenerative_coma")
-	M.update_stat()
 	M.update_mobility()
 
 /datum/symptom/heal/coma/Heal(mob/living/carbon/M, datum/disease/advance/A, actual_power)

code/datums/status_effects/debuffs.dm

@@ -68,10 +68,10 @@
 	. = ..()
 	if(!.)
 		return
-	ADD_TRAIT(owner, TRAIT_INCAPACITATED, TRAIT_STATUS_EFFECT(id))
+	ADD_TRAIT(owner, TRAIT_KNOCKEDOUT, TRAIT_STATUS_EFFECT(id))
 
 /datum/status_effect/incapacitating/unconscious/on_remove()
-	REMOVE_TRAIT(owner, TRAIT_INCAPACITATED, TRAIT_STATUS_EFFECT(id))
+	REMOVE_TRAIT(owner, TRAIT_KNOCKEDOUT, TRAIT_STATUS_EFFECT(id))
 	return ..()
 
 /datum/status_effect/incapacitating/unconscious/tick()
@@ -99,6 +99,16 @@
 	human_owner = null
 	return ..()
 
+/datum/status_effect/incapacitating/sleeping/on_apply()
+	. = ..()
+	if(!.)
+		return
+	ADD_TRAIT(owner, TRAIT_KNOCKEDOUT, TRAIT_STATUS_EFFECT(id))
+
+/datum/status_effect/incapacitating/sleeping/on_remove()
+	REMOVE_TRAIT(owner, TRAIT_KNOCKEDOUT, TRAIT_STATUS_EFFECT(id))
+	return ..()
+
 /datum/status_effect/incapacitating/sleeping/tick()
 	if(owner.maxHealth)
 		var/health_ratio = owner.health / owner.maxHealth

code/modules/antagonists/changeling/powers/fakedeath.dm

@@ -24,7 +24,6 @@
 	else
 		to_chat(user, "<span class='notice'>We begin our stasis, preparing energy to arise once more.</span>")
 		user.fakedeath("changeling") //play dead
-		user.update_stat()
 		user.update_mobility()
 		addtimer(CALLBACK(src, .proc/ready_to_regenerate, user), LING_FAKEDEATH_TIME, TIMER_UNIQUE)
 	return TRUE

code/modules/clothing/head/misc_special.dm

@@ -355,7 +355,7 @@
 	if(target.get_item_by_slot(ITEM_SLOT_HEAD) != src)
 		return
 	QDEL_NULL(paranoia)
-	if(!target.IsUnconscious())
+	if(target.stat < UNCONSCIOUS)
 		to_chat(target, "<span class='warning'>Your zealous conspirationism rapidly dissipates as the donned hat warps up into a ruined mess. All those theories starting to sound like nothing but a ridicolous fanfare.</span>")
 
 /obj/item/clothing/head/foilhat/attack_hand(mob/user)

code/modules/mob/living/carbon/alien/larva/larva.dm

@@ -9,6 +9,7 @@
 
 	maxHealth = 25
 	health = 25
+	hardcrit_threshold = HEALTH_THRESHOLD_CRIT
 
 	var/amount_grown = 0
 	var/max_grown = 100

code/modules/mob/living/carbon/alien/larva/life.dm

@@ -18,15 +18,12 @@
 		if(health<= -maxHealth || !getorgan(/obj/item/organ/brain))
 			death()
 			return
-		if(IsUnconscious() || IsSleeping() || getOxyLoss() > 50 || (HAS_TRAIT(src, TRAIT_DEATHCOMA)) || health <= crit_threshold)
-			if(stat == CONSCIOUS)
-				set_stat(UNCONSCIOUS)
-				become_blind(UNCONSCIOUS_BLIND)
-				update_mobility()
+		if((HAS_TRAIT(src, TRAIT_KNOCKEDOUT)))
+			set_stat(UNCONSCIOUS)
 		else
 			if(stat == UNCONSCIOUS)
-				set_stat(CONSCIOUS)
-				cure_blind(UNCONSCIOUS_BLIND)
 				set_resting(FALSE)
+			set_stat(CONSCIOUS)
+	update_mobility()
 	update_damage_hud()
 	update_health_hud()

code/modules/mob/living/carbon/carbon.dm

@@ -514,7 +514,7 @@
 		total_brute	+= (BP.brute_dam * BP.body_damage_coeff)
 		total_burn	+= (BP.burn_dam * BP.body_damage_coeff)
 		total_stamina += (BP.stamina_dam * BP.stam_damage_coeff)
-	health = round(maxHealth - getOxyLoss() - getToxLoss() - getCloneLoss() - total_burn - total_brute, DAMAGE_PRECISION)
+	set_health(round(maxHealth - getOxyLoss() - getToxLoss() - getCloneLoss() - total_burn - total_brute, DAMAGE_PRECISION))
 	staminaloss = round(total_stamina, DAMAGE_PRECISION)
 	update_stat()
 	update_mobility()
@@ -756,28 +756,37 @@
 	if(hud_used && hud_used.spacesuit)
 		hud_used.spacesuit.icon_state = "spacesuit_[cell_state]"
 
+
+/mob/living/carbon/set_health(new_value)
+	. = ..()
+	if(. > hardcrit_threshold)
+		if(health <= hardcrit_threshold && !HAS_TRAIT(src, TRAIT_NOHARDCRIT))
+			ADD_TRAIT(src, TRAIT_KNOCKEDOUT, CRIT_HEALTH_TRAIT)
+	else if(health > hardcrit_threshold)
+		REMOVE_TRAIT(src, TRAIT_KNOCKEDOUT, CRIT_HEALTH_TRAIT)
+	if(CONFIG_GET(flag/near_death_experience))
+		if(. > HEALTH_THRESHOLD_NEARDEATH)
+			if(health <= HEALTH_THRESHOLD_NEARDEATH && !HAS_TRAIT(src, TRAIT_NODEATH))
+				ADD_TRAIT(src, TRAIT_SIXTHSENSE, "near-death")
+		else if(health > HEALTH_THRESHOLD_NEARDEATH)
+			REMOVE_TRAIT(src, TRAIT_SIXTHSENSE, "near-death")
+
+
+
 /mob/living/carbon/update_stat()
 	if(status_flags & GODMODE)
 		return
 	if(stat != DEAD)
 		if(health <= HEALTH_THRESHOLD_DEAD && !HAS_TRAIT(src, TRAIT_NODEATH))
 			death()
-			cure_blind(UNCONSCIOUS_BLIND)
 			return
-		if(IsUnconscious() || IsSleeping() || getOxyLoss() > 50 || (HAS_TRAIT(src, TRAIT_DEATHCOMA)) || (health <= HEALTH_THRESHOLD_FULLCRIT && !HAS_TRAIT(src, TRAIT_NOHARDCRIT)))
+		if(HAS_TRAIT(src, TRAIT_KNOCKEDOUT))
 			set_stat(UNCONSCIOUS)
-			become_blind(UNCONSCIOUS_BLIND)
-			if(CONFIG_GET(flag/near_death_experience) && health <= HEALTH_THRESHOLD_NEARDEATH && !HAS_TRAIT(src, TRAIT_NODEATH))
-				ADD_TRAIT(src, TRAIT_SIXTHSENSE, "near-death")
-			else
-				REMOVE_TRAIT(src, TRAIT_SIXTHSENSE, "near-death")
 		else
 			if(health <= crit_threshold && !HAS_TRAIT(src, TRAIT_NOSOFTCRIT))
 				set_stat(SOFT_CRIT)
 			else
 				set_stat(CONSCIOUS)
-			cure_blind(UNCONSCIOUS_BLIND)
-			REMOVE_TRAIT(src, TRAIT_SIXTHSENSE, "near-death")
 		update_mobility()
 	update_damage_hud()
 	update_health_hud()

code/modules/mob/living/carbon/carbon_defense.dm

@@ -431,3 +431,25 @@
 	var/obj/item/organ/ears/ears = getorganslot(ORGAN_SLOT_EARS)
 	if(istype(ears) && !ears.deaf)
 		. = TRUE
+
+
+/mob/living/carbon/adjustOxyLoss(amount, updating_health = TRUE, forced = FALSE)
+	. = ..()
+	if(isnull(.))
+		return
+	if(. <= 50)
+		if(getOxyLoss() > 50)
+			ADD_TRAIT(src, TRAIT_KNOCKEDOUT, OXYLOSS_TRAIT)
+	else if(getOxyLoss() <= 50)
+		REMOVE_TRAIT(src, TRAIT_KNOCKEDOUT, OXYLOSS_TRAIT)
+
+
+/mob/living/carbon/setOxyLoss(amount, updating_health = TRUE, forced = FALSE)
+	. = ..()
+	if(isnull(.))
+		return
+	if(. <= 50)
+		if(getOxyLoss() > 50)
+			ADD_TRAIT(src, TRAIT_KNOCKEDOUT, OXYLOSS_TRAIT)
+	else if(getOxyLoss() <= 50)
+		REMOVE_TRAIT(src, TRAIT_KNOCKEDOUT, OXYLOSS_TRAIT)

code/modules/mob/living/carbon/monkey/combat.dm

@@ -54,8 +54,6 @@
 		return 1
 	if(health <= 0 && checkDead)
 		return 1
-	if(IsUnconscious())
-		return 1
 	if(IsStun() || IsParalyzed())
 		return 1
 	if(stat)

code/modules/mob/living/carbon/monkey/monkey_defense.dm

@@ -64,7 +64,7 @@
 								"<span class='danger'>You avoid [M]'s punch!</span>", "<span class='hear'>You hear a swoosh!</span>", COMBAT_MESSAGE_RANGE, M)
 				to_chat(M, "<span class='warning'>Your punch misses [name]!</span>")
 		if("disarm")
-			if(!IsUnconscious())
+			if(stat < UNCONSCIOUS)
 				M.do_attack_animation(src, ATTACK_EFFECT_DISARM)
 				if (prob(25))
 					Paralyze(40)

code/modules/mob/living/damage_procs.dm

@@ -167,19 +167,21 @@
 
 /mob/living/proc/adjustOxyLoss(amount, updating_health = TRUE, forced = FALSE)
 	if(!forced && (status_flags & GODMODE))
-		return FALSE
+		return
+	. = oxyloss
 	oxyloss = clamp((oxyloss + (amount * CONFIG_GET(number/damage_multiplier))), 0, maxHealth * 2)
 	if(updating_health)
 		updatehealth()
-	return amount
+
 
 /mob/living/proc/setOxyLoss(amount, updating_health = TRUE, forced = FALSE)
-	if(status_flags & GODMODE)
-		return 0
+	if(!forced && status_flags & GODMODE)
+		return
+	. = oxyloss
 	oxyloss = amount
 	if(updating_health)
 		updatehealth()
-	return amount
+
 
 /mob/living/proc/getToxLoss()
 	return toxloss

code/modules/mob/living/init_signals.dm

@@ -0,0 +1,28 @@
+///Called on /mob/living/Initialize(), for the mob to register to relevant signals.
+/mob/living/proc/register_init_signals()
+	RegisterSignal(src, SIGNAL_ADDTRAIT(TRAIT_KNOCKEDOUT), .proc/on_knockedout_trait_gain)
+	RegisterSignal(src, SIGNAL_REMOVETRAIT(TRAIT_KNOCKEDOUT), .proc/on_knockedout_trait_loss)
+
+	RegisterSignal(src, SIGNAL_ADDTRAIT(TRAIT_DEATHCOMA), .proc/on_deathcoma_trait_gain)
+	RegisterSignal(src, SIGNAL_REMOVETRAIT(TRAIT_DEATHCOMA), .proc/on_deathcoma_trait_loss)
+
+
+///Called when TRAIT_KNOCKEDOUT is added to the mob.
+/mob/living/proc/on_knockedout_trait_gain(datum/source)
+	if(stat < UNCONSCIOUS)
+		set_stat(UNCONSCIOUS)
+
+///Called when TRAIT_KNOCKEDOUT is removed from the mob.
+/mob/living/proc/on_knockedout_trait_loss(datum/source)
+	if(stat < DEAD)
+		update_stat()
+
+
+///Called when TRAIT_DEATHCOMA is added to the mob.
+/mob/living/proc/on_deathcoma_trait_gain(datum/source)
+	ADD_TRAIT(src, TRAIT_KNOCKEDOUT, TRAIT_DEATHCOMA)
+
+///Called when TRAIT_DEATHCOMA is removed from the mob.
+/mob/living/proc/on_deathcoma_trait_loss(datum/source)
+	REMOVE_TRAIT(src, TRAIT_KNOCKEDOUT, TRAIT_DEATHCOMA)
+

code/modules/mob/living/living.dm

@@ -1,5 +1,6 @@
 /mob/living/Initialize()
 	. = ..()
+	register_init_signals()
 	if(unique_name)
 		set_name()
 	var/datum/atom_hud/data/human/medical/advanced/medhud = GLOB.huds[DATA_HUD_MEDICAL_ADVANCED]
@@ -375,8 +376,6 @@
 /mob/living/pointed(atom/A as mob|obj|turf in view(client.view, src))
 	if(incapacitated())
 		return FALSE
-	if(HAS_TRAIT(src, TRAIT_DEATHCOMA))
-		return FALSE
 	if(!..())
 		return FALSE
 	visible_message("<span class='name'>[src]</span> points at [A].", "<span class='notice'>You point at [A].</span>")
@@ -480,10 +479,17 @@
 /mob/living/is_drawable(mob/user, allowmobs = TRUE)
 	return (allowmobs && reagents && can_inject(user))
 
+
+///Sets the current mob's health value. Do not call directly if you don't know what you are doing, use the damage procs, instead.
+/mob/living/proc/set_health(new_value)
+	. = health
+	health = new_value
+
+
 /mob/living/proc/updatehealth()
 	if(status_flags & GODMODE)
 		return
-	health = maxHealth - getOxyLoss() - getToxLoss() - getFireLoss() - getBruteLoss() - getCloneLoss()
+	set_health(maxHealth - getOxyLoss() - getToxLoss() - getFireLoss() - getBruteLoss() - getCloneLoss())
 	staminaloss = getStaminaLoss()
 	update_stat()
 	med_hud_set_health()
@@ -895,7 +901,7 @@
 			if(c.clothing_flags & DANGEROUS_OBJECT)
 				who.visible_message("<span class='danger'>[src] tries to put [what] on [who].</span>", \
 							"<span class='userdanger'>[src] tries to put [what] on you.</span>", null, null, src)
-			else 
+			else
 				who.visible_message("<span class='notice'>[src] tries to put [what] on [who].</span>", \
 							"<span class='notice'>[src] tries to put [what] on you.</span>", null, null, src)
 		to_chat(src, "<span class='notice'>You try to put [what] on [who]...</span>")
@@ -1168,7 +1174,6 @@
 /mob/living/proc/update_mobility()
 	var/stat_softcrit = stat == SOFT_CRIT
 	var/stat_conscious = (stat == CONSCIOUS) || stat_softcrit
-	var/conscious = !IsUnconscious() && stat_conscious && !HAS_TRAIT(src, TRAIT_DEATHCOMA)
 	var/chokehold = pulledby && pulledby.grab_state >= GRAB_NECK
 	var/restrained = restrained()
 	var/has_legs = get_num_legs()
@@ -1177,12 +1182,12 @@
 	var/stun = IsStun()
 	var/knockdown = IsKnockdown()
 	var/ignore_legs = get_leg_ignore()
-	var/canmove = !IsImmobilized() && !stun && conscious && !paralyzed && !buckled && (!stat_softcrit || !pulledby) && !chokehold && !IsFrozen() && !IS_IN_STASIS(src) && (has_arms || ignore_legs || has_legs)
+	var/canmove = !IsImmobilized() && !stun && stat_conscious && !paralyzed && !buckled && (!stat_softcrit || !pulledby) && !chokehold && !IsFrozen() && !IS_IN_STASIS(src) && (has_arms || ignore_legs || has_legs)
 	if(canmove)
 		mobility_flags |= MOBILITY_MOVE
 	else
 		mobility_flags &= ~MOBILITY_MOVE
-	var/canstand_involuntary = conscious && !stat_softcrit && !knockdown && !chokehold && !paralyzed && (ignore_legs || has_legs) && !(buckled && buckled.buckle_lying)
+	var/canstand_involuntary = stat_conscious && !stat_softcrit && !knockdown && !chokehold && !paralyzed && (ignore_legs || has_legs) && !(buckled && buckled.buckle_lying)
 	var/canstand = canstand_involuntary && !resting
 
 	if(buckled && buckled.buckle_lying != -1)
@@ -1208,7 +1213,7 @@
 
 
 
-	var/canitem = !paralyzed && !stun && conscious && !chokehold && !restrained && has_arms
+	var/canitem = !paralyzed && !stun && stat_conscious && !chokehold && !restrained && has_arms
 	if(canitem)
 		mobility_flags |= (MOBILITY_USE | MOBILITY_PICKUP | MOBILITY_STORAGE)
 	else
@@ -1533,3 +1538,15 @@
 /mob/living/proc/stop_look_up()
 	reset_perspective()
 	UnregisterSignal(src, COMSIG_MOVABLE_PRE_MOVE)
+
+
+/mob/living/set_stat(new_stat)
+	. = ..()
+	if(isnull(.))
+		return
+	switch(.) //Previous stat.
+		if(UNCONSCIOUS)
+			cure_blind(UNCONSCIOUS_BLIND)
+	switch(stat) //Current stat.
+		if(UNCONSCIOUS)
+			become_blind(UNCONSCIOUS_BLIND)

code/modules/mob/living/living_defines.dm

@@ -23,6 +23,8 @@
 	var/cloneloss = 0	///Damage caused by being cloned or ejected from the cloner early. slimes also deal cloneloss damage to victims
 	var/staminaloss = 0		///Stamina damage, or exhaustion. You recover it slowly naturally, and are knocked down if it gets too high. Holodeck and hallucinations deal this.
 	var/crit_threshold = HEALTH_THRESHOLD_CRIT /// when the mob goes from "normal" to crit
+	///When the mob enters hard critical state and is fully incapacitated.
+	var/hardcrit_threshold = HEALTH_THRESHOLD_FULLCRIT
 
 	var/mobility_flags = MOBILITY_FLAGS_DEFAULT
 

code/modules/mob/living/silicon/ai/life.dm

@@ -62,7 +62,7 @@
 /mob/living/silicon/ai/updatehealth()
 	if(status_flags & GODMODE)
 		return
-	health = maxHealth - getOxyLoss() - getToxLoss() - getBruteLoss() - getFireLoss()
+	set_health(maxHealth - getOxyLoss() - getToxLoss() - getBruteLoss() - getFireLoss())
 	update_stat()
 	diag_hud_set_health()
 	disconnect_shell()

code/modules/mob/living/silicon/pai/pai.dm

@@ -281,7 +281,7 @@
 /mob/living/silicon/pai/updatehealth()
 	if(status_flags & GODMODE)
 		return
-	health = maxHealth - getBruteLoss() - getFireLoss()
+	set_health(maxHealth - getBruteLoss() - getFireLoss())
 	update_stat()
 
 /mob/living/silicon/pai/process()

code/modules/mob/living/silicon/robot/robot.dm

@@ -422,7 +422,7 @@
 /mob/living/silicon/robot/update_icons()
 	cut_overlays()
 	icon_state = module.cyborg_base_icon
-	if(stat != DEAD && !(IsUnconscious() || IsStun() || IsParalyzed() || low_power_mode)) //Not dead, not stunned.
+	if(stat != DEAD && !(HAS_TRAIT(src, TRAIT_KNOCKEDOUT) || IsStun() || IsParalyzed() || low_power_mode)) //Not dead, not stunned.
 		if(!eye_lights)
 			eye_lights = new()
 		if(lamp_intensity > 2)
@@ -771,18 +771,12 @@
 		if(health <= -maxHealth) //die only once
 			death()
 			return
-		if(IsUnconscious() || IsStun() || IsKnockdown() || IsParalyzed() || getOxyLoss() > maxHealth*0.5)
-			if(stat == CONSCIOUS)
-				set_stat(UNCONSCIOUS)
-				become_blind(UNCONSCIOUS_BLIND)
-				update_mobility()
-				update_headlamp()
+		if(HAS_TRAIT(src, TRAIT_KNOCKEDOUT) || IsStun() || IsKnockdown() || IsParalyzed())
+			set_stat(UNCONSCIOUS)
 		else
-			if(stat == UNCONSCIOUS)
-				set_stat(CONSCIOUS)
-				cure_blind(UNCONSCIOUS_BLIND)
-				update_mobility()
-				update_headlamp()
+			set_stat(CONSCIOUS)
+	update_mobility()
+	update_headlamp()
 	diag_hud_set_status()
 	diag_hud_set_health()
 	diag_hud_set_aishell()

code/modules/mob/living/silicon/robot/robot_defense.dm

@@ -399,3 +399,25 @@ GLOBAL_LIST_INIT(blacklisted_borg_hats, typecacheof(list( //Hats that don't real
 	updatehealth()
 	if(prob(75) && Proj.damage > 0)
 		spark_system.start()
+
+
+/mob/living/silicon/robot/adjustOxyLoss(amount, updating_health = TRUE, forced = FALSE)
+	. = ..()
+	if(isnull(.))
+		return
+	if(. <= (maxHealth * 0.5))
+		if(getOxyLoss() > (maxHealth * 0.5))
+			ADD_TRAIT(src, TRAIT_KNOCKEDOUT, OXYLOSS_TRAIT)
+	else if(getOxyLoss() <= (maxHealth * 0.5))
+		REMOVE_TRAIT(src, TRAIT_KNOCKEDOUT, OXYLOSS_TRAIT)
+
+
+/mob/living/silicon/robot/setOxyLoss(amount, updating_health = TRUE, forced = FALSE)
+	. = ..()
+	if(isnull(.))
+		return
+	if(. <= (maxHealth * 0.5))
+		if(getOxyLoss() > (maxHealth * 0.5))
+			ADD_TRAIT(src, TRAIT_KNOCKEDOUT, OXYLOSS_TRAIT)
+	else if(getOxyLoss() <= (maxHealth * 0.5))
+		REMOVE_TRAIT(src, TRAIT_KNOCKEDOUT, OXYLOSS_TRAIT)

code/modules/mob/living/simple_animal/simple_animal.dm

@@ -197,9 +197,6 @@
 	if(stat == DEAD)
 		. += "<span class='deadsay'>Upon closer examination, [p_they()] appear[p_s()] to be dead.</span>"
 
-/mob/living/simple_animal/updatehealth()
-	..()
-	health = clamp(health, 0, maxHealth)
 
 /mob/living/simple_animal/update_stat()
 	if(status_flags & GODMODE)
@@ -515,7 +512,7 @@
 		..()
 
 /mob/living/simple_animal/update_mobility(value_otherwise = TRUE)
-	if(IsUnconscious() || IsParalyzed() || IsStun() || IsKnockdown() || IsParalyzed() || stat || resting)
+	if(HAS_TRAIT(src, TRAIT_KNOCKEDOUT) || IsParalyzed() || IsStun() || IsKnockdown() || IsParalyzed() || stat || resting)
 		drop_all_held_items()
 		mobility_flags = NONE
 	else if(buckled)

code/modules/mob/living/status_procs.dm

@@ -445,7 +445,7 @@
 	REMOVE_TRAIT(src, TRAIT_DEATHCOMA, source)
 	if(stat != DEAD)
 		tod = null
-	update_stat()
+
 
 /mob/living/proc/fakedeath(source, silent = FALSE)
 	if(stat == DEAD)
@@ -455,7 +455,7 @@
 	ADD_TRAIT(src, TRAIT_FAKEDEATH, source)
 	ADD_TRAIT(src, TRAIT_DEATHCOMA, source)
 	tod = station_time_timestamp()
-	update_stat()
+
 
 ///Unignores all slowdowns that lack the IGNORE_NOSLOW flag.
 /mob/living/proc/unignore_slowdown(source)

code/modules/research/nanites/nanite_programs/protocols.dm

@@ -91,9 +91,7 @@
 
 /datum/nanite_program/protocol/offline/check_conditions()
 	var/is_offline = FALSE
-	if(nanites.host_mob.IsSleeping() || nanites.host_mob.IsUnconscious())
-		is_offline = TRUE
-	if(nanites.host_mob.stat == DEAD || HAS_TRAIT(nanites.host_mob, TRAIT_DEATHCOMA))
+	if(nanites.host_mob.stat >= UNCONSCIOUS) //DEAD or UNCONSCIOUS
 		is_offline = TRUE
 	if(nanites.host_mob.InCritical() && !HAS_TRAIT(nanites.host_mob, TRAIT_NOSOFTCRIT))
 		is_offline = TRUE

tgstation.dme

@@ -2130,6 +2130,7 @@
 #include "code\modules\mob\living\death.dm"
 #include "code\modules\mob\living\emote.dm"
 #include "code\modules\mob\living\inhand_holder.dm"
+#include "code\modules\mob\living\init_signals.dm"
 #include "code\modules\mob\living\life.dm"
 #include "code\modules\mob\living\living.dm"
 #include "code\modules\mob\living\living_defense.dm"