Some heart mechanical reworks

code/__DEFINES/living.dm

@@ -138,6 +138,9 @@
 /// One application of the trait translates to -0.2 "vasodilation", which is a -0.2 multiplier to blood pressure
 #define TRAIT_VASODILATED "vasodilated"
 
+/// Attempts to stabilize the heart, boosting it if it's too slow and slowing it if it's too fast.
+#define TRAIT_HEART_RATE_STABILIZED "heart_rate_stabilized"
+
 /// The trait that determines if someone has the robotic limb reattachment quirk.
 #define TRAIT_ROBOTIC_LIMBATTACHMENT "trait_robotic_limbattachment"
 
@@ -210,6 +213,10 @@
 #define SLOW_HEARTBEAT_THRESHOLD 60
 /// Threshold that heart beat becomes "fast"
 #define FAST_HEARTBEAT_THRESHOLD 110
+/// Threshold that heart beat starts to cause heart damaage
+#define DANGER_HEARTBEAT_THRESHOLD 160
+/// Threshold that heart beat's heart damage doubles and it has a chance to stop outright
+#define DEADLY_HEARTBEAT_THRESHOLD 200
 
 // Used in living mob offset list for determining pixel offsets
 #define PIXEL_W_OFFSET "w"

code/_onclick/hud/human.dm

@@ -269,12 +269,14 @@
 	infodisplay += spacesuit
 
 	healths = new /atom/movable/screen/healths(null, src)
+	healths.name = "heart rate"
 	infodisplay += healths
 
 	hunger = new /atom/movable/screen/hunger(null, src)
 	infodisplay += hunger
 
 	healthdoll = new /atom/movable/screen/healthdoll/human(null, src)
+	healthdoll.name = "body status"
 	infodisplay += healthdoll
 /*
 	stamina = new /atom/movable/screen/stamina(null, src)

code/_onclick/hud/screen_objects.dm

@@ -646,8 +646,16 @@
 
 /atom/movable/screen/healths
 	name = "health"
+	icon = 'maplestation_modules/icons/hud/screen_gen.dmi'
 	icon_state = "health0"
 	screen_loc = ui_health
+	mouse_over_pointer = MOUSE_HAND_POINTER
+
+/atom/movable/screen/healths/Click(location, control, params)
+	. = ..()
+	if(ishuman(usr))
+		var/mob/living/carbon/human/human_user = usr
+		human_user.check_pulse(human_user)
 
 /atom/movable/screen/healths/alien
 	icon = 'icons/hud/screen_alien.dmi'

code/datums/status_effects/debuffs/screwy_hud.dm

@@ -39,7 +39,7 @@
 		if(other_screwy_hud.priority > priority)
 			return
 
-	source.hud_used.healths.icon_state = override_icon
+	source.hud_used.healths.icon_state = "[override_icon][source.needs_heart() ? "" : "-alwaysflat"]"
 	return COMPONENT_OVERRIDE_HEALTH_HUD
 
 /datum/status_effect/grouped/screwy_hud/fake_dead
@@ -55,7 +55,7 @@
 /datum/status_effect/grouped/screwy_hud/fake_healthy
 	id = "fake_hud_healthy"
 	priority = 10 // fully healthy is the opposite of death, which is absolute
-	override_icon = "health0"
+	override_icon = "health1"
 
 /datum/status_effect/grouped/screwy_hud/fake_healthy/on_apply()
 	. = ..()

code/game/objects/items/defib.dm

@@ -591,7 +591,7 @@
 	if(SEND_SIGNAL(H, COMSIG_DEFIBRILLATOR_PRE_HELP_ZAP, user, src) & COMPONENT_DEFIB_STOP)
 		do_cancel()
 		return
-	var/obj/item/organ/heart = H.get_organ_slot(ORGAN_SLOT_HEART)
+	var/obj/item/organ/heart/heart = H.get_organ_slot(ORGAN_SLOT_HEART)
 	if(H.stat == DEAD)
 		H.visible_message(span_warning("[H]'s body convulses a bit."))
 		playsound(src, SFX_BODYFALL, 50, TRUE)
@@ -653,20 +653,29 @@
 		user.audible_message(span_warning("[req_defib ? "[defib]" : "[src]"] buzzes: Patient's heart is missing. Operation aborted."))
 		playsound(src, 'sound/machines/defib_failed.ogg', 50, FALSE)
 
-	else if(H.undergoing_cardiac_arrest())
+	else if(!heart.is_beating())
 		playsound(src, 'sound/machines/defib_zap.ogg', 50, TRUE, -1)
-		if(!(heart.organ_flags & ORGAN_FAILING))
-			H.set_heartattack(FALSE)
+		if(heart.organ_flags & ORGAN_FAILING)
+			user.audible_message(span_warning("[req_defib ? "[defib]" : "[src]"] buzzes: Resuscitation failed, heart damage detected."))
+		else
+			heart.Restart()
 			H.apply_status_effect(/datum/status_effect/recent_defib)
 			user.audible_message(span_notice("[req_defib ? "[defib]" : "[src]"] pings: Patient's heart is now beating again."))
 			H.emote("gasp")
 			H.Knockdown(8 SECONDS)
 			H.set_jitter_if_lower(200 SECONDS)
-			heart?.apply_organ_damage(10, 95, ORGAN_ORGANIC)
+			heart.apply_organ_damage(10, 95, ORGAN_ORGANIC)
 			SEND_SIGNAL(H, COMSIG_LIVING_MINOR_SHOCK)
 			do_success()
-		else
-			user.audible_message(span_warning("[req_defib ? "[defib]" : "[src]"] buzzes: Resuscitation failed, heart damage detected."))
+
+	else if(heart.get_heart_rate() >= 160)
+		playsound(src, 'sound/machines/defib_zap.ogg', 50, TRUE, -1)
+		user.audible_message(span_notice("[req_defib ? "[defib]" : "[src]"] pings: Patient's heartbeat stabilized."))
+		H.emote("gasp")
+		SEND_SIGNAL(H, COMSIG_LIVING_MINOR_SHOCK)
+		do_success()
+		ADD_TRAIT(H, TRAIT_HEART_RATE_STABILIZED, TRAIT_GENERIC)
+		addtimer(TRAIT_CALLBACK_REMOVE(H, TRAIT_HEART_RATE_STABILIZED, TRAIT_GENERIC), 60 SECONDS)
 
 	else
 		user.visible_message(span_warning("[req_defib ? "[defib]" : "[src]"] buzzes: Patient is not in a valid state. Operation aborted."))

code/modules/mob/living/blood.dm

@@ -64,7 +64,6 @@
 					adjustOxyLoss(1)
 			if(BLOOD_VOLUME_BAD to BLOOD_VOLUME_OKAY)
 				add_max_consciousness_value(BLOOD_LOSS, CONSCIOUSNESS_MAX * 0.9)
-				add_consciousness_modifier(BLOOD_LOSS, -10)
 				adjust_traumatic_shock(0.5 * seconds_per_tick)
 				if(getOxyLoss() < 100)
 					adjustOxyLoss(2) // Keep in mind if they're still breathing while bleeding - some of this will be recovered
@@ -73,7 +72,6 @@
 					to_chat(src, span_warning("You feel very [word]."))
 			if(BLOOD_VOLUME_SURVIVE to BLOOD_VOLUME_BAD)
 				add_max_consciousness_value(BLOOD_LOSS, CONSCIOUSNESS_MAX * 0.6)
-				add_consciousness_modifier(BLOOD_LOSS, -20)
 				adjust_traumatic_shock(1 * seconds_per_tick)
 				if(getOxyLoss() < 150)
 					adjustOxyLoss(3)
@@ -84,7 +82,6 @@
 					to_chat(src, span_warning("You feel extremely [word]."))
 			if(-INFINITY to BLOOD_VOLUME_SURVIVE)
 				add_max_consciousness_value(BLOOD_LOSS, CONSCIOUSNESS_MAX * 0.2)
-				add_consciousness_modifier(BLOOD_LOSS, -50)
 				adjust_traumatic_shock(3 * seconds_per_tick)
 				set_eye_blur_if_lower(20 SECONDS)
 				// Unconscious(10 SECONDS)

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

@@ -736,23 +736,48 @@
 	if(SEND_SIGNAL(src, COMSIG_CARBON_UPDATING_HEALTH_HUD) & COMPONENT_OVERRIDE_HEALTH_HUD)
 		return
 
+	hud_used.healths.icon_state = get_health_hud_icon()
+
+/mob/living/carbon/proc/get_health_hud_icon()
 	if(stat >= SOFT_CRIT)
-		hud_used.healths.icon_state = "health6"
-		return
+		return "health6"
 
 	switch(100 - crit_percent())
 		if(95 to INFINITY)
-			hud_used.healths.icon_state = "health0"
+			return "health0"
 		if(80 to 95)
-			hud_used.healths.icon_state = "health1"
+			return "health1"
 		if(60 to 80)
-			hud_used.healths.icon_state = "health2"
+			return "health2"
 		if(40 to 60)
-			hud_used.healths.icon_state = "health3"
+			return "health3"
 		if(20 to 40)
-			hud_used.healths.icon_state = "health4"
+			return "health4"
 		else
-			hud_used.healths.icon_state = "health5"
+			return "health5"
+
+/mob/living/carbon/human/get_health_hud_icon()
+	switch(get_bpm())
+		if(0) // not beating or no heart
+			if(!needs_heart())
+				return "[..()]-alwaysflat"
+
+			return "health6"
+
+		if(70 to 90) // standard
+			return "health1"
+
+		if(60 to 70, 90 to 120) // elevated
+			return "health2"
+
+		if(50 to 60, 120 to 160) // high
+			return "health3"
+
+		if(30 to 50, 160 to DANGER_HEARTBEAT_THRESHOLD) // very high
+			return "health4"
+
+		if(10 to 30, DANGER_HEARTBEAT_THRESHOLD to INFINITY) // critical
+			return "health5"
 
 /// Upsed specifically to update the spacesuit hud element
 /mob/living/carbon/proc/update_spacesuit_hud_icon(cell_state = "empty")

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

@@ -96,7 +96,7 @@ GLOBAL_LIST_EMPTY(dead_players_during_shift)
 			if(most_toxic)
 				return "[LOWER_TEXT(most_toxic.name)] poisoning"
 
-		if("heart_attack")
+		if(/datum/status_effect/cardiac_arrest::id)
 			return "cardiac arrest"
 
 		if("drunk")
@@ -123,7 +123,7 @@ GLOBAL_LIST_EMPTY(dead_players_during_shift)
 			if(findtext(probable_cause, "addiction"))
 				return "addiction"
 
-	return probable_cause
+	return replacetext(probable_cause, "_", " ")
 
 /mob/living/carbon/human/proc/reagents_readout()
 	var/readout = "Blood:"