Screen warnings for fire/hunger/temp/O2/etc use throw_alert (#16443)

code/__DEFINES/alerts.dm

@@ -3,3 +3,14 @@
 
 /** Mech related */
 #define ALERT_MECH_DAMAGE "mech_damage"
+
+///Actively suffocating
+#define ALERT_NOT_ENOUGH_OXYGEN "not_enough_oxy"
+/// On fire.
+#define ALERT_FIRE "fire"
+/// Holds temperature related alerts.
+#define ALERT_TEMPERATURE "temp"
+/// Holds pressure related alerts.
+#define ALERT_PRESSURE "pressure"
+/// Holds food related alerts.
+#define ALERT_NUTRITION "nutrition"

code/__DEFINES/hud.dm

@@ -58,15 +58,7 @@
 #define ui_alert4 "EAST-1:28,CENTER+2:21"
 #define ui_alert5 "EAST-1:28,CENTER+1:19"
 
-//Upper-middle right (damage indicators)
-#define ui_toxin "EAST-1:28,13:27"
-#define ui_fire "EAST-1:28,12:25"
-#define ui_oxygen "EAST-1:28,11:23"
-#define ui_pressure "EAST-1:28,10:21"
-
 //Middle right (status indicators)
-#define ui_nutrition "EAST-1:28,5:11"
-#define ui_temp "EAST-1:28,6:13"
 #define UI_STAMINA "EAST-1:28,CENTER-2:13"
 #define ui_health "EAST-1:28,CENTER-1:15"
 #define ui_ammo1 "EAST-1:28,CENTER+1:25"

code/_onclick/hud/alerts.dm

@@ -61,8 +61,8 @@ Override makes it so the alert is not replaced until cleared by a clear_alert wi
 	alerts[category] = thealert
 	if(client && hud_used)
 		hud_used.reorganize_alerts()
-	thealert.transform = matrix(32, 6, MATRIX_TRANSLATE)
-	animate(thealert, transform = matrix(), time = 2.5, easing = CUBIC_EASING)
+	thealert.transform = matrix(32, 0, MATRIX_TRANSLATE)
+	animate(thealert, transform = matrix(), time = 1 SECONDS, easing = ELASTIC_EASING)
 
 	if(thealert.timeout)
 		addtimer(CALLBACK(src, PROC_REF(alert_timeout), thealert, category), thealert.timeout)
@@ -87,6 +87,13 @@ Override makes it so the alert is not replaced until cleared by a clear_alert wi
 		client.screen -= alert
 	qdel(alert)
 
+/atom/movable/screen/alert/MouseEntered(location,control,params)
+	if(!QDELETED(src))
+		openToolTip(usr, src, params, title = name, content = desc)
+
+/atom/movable/screen/alert/MouseExited()
+	closeToolTip(usr)
+
 /atom/movable/screen/alert
 	icon = 'icons/mob/screen_alert.dmi'
 	icon_state = "default"
@@ -99,18 +106,6 @@ Override makes it so the alert is not replaced until cleared by a clear_alert wi
 	var/override_alerts = FALSE //If it is overriding other alerts of the same type
 	var/mob/owner //Alert owner
 
-
-/atom/movable/screen/alert/fire
-	name = "On Fire"
-	desc = "You're on fire. Stop, drop and roll to put the fire out or move to a vacuum area."
-	icon_state = "fire"
-
-/atom/movable/screen/alert/fire/Click()
-	var/mob/living/L = usr
-	if(!istype(L) || usr != owner)
-		return
-	L.resist()
-
 //GHOSTS
 //TODO: expand this system to replace the pollCandidates/CheckAntagonist/"choose quickly"/etc Yes/No messages
 /atom/movable/screen/alert/notify_action
@@ -212,7 +207,7 @@ Override makes it so the alert is not replaced until cleared by a clear_alert wi
 		return
 	var/paramslist = params2list(params)
 	if(paramslist["shift"]) // screen objects don't do the normal Click() stuff so we'll cheat
-		to_chat(usr, span_boldnotice("[name]</span> - <span class='info'>[desc]"))
+		to_chat(usr, examine_block("<big>[span_boldnotice(name)]</big>\n[span_info(desc)]"))
 		return
 	if(master)
 		return usr.client.Click(master, location, control, params)
@@ -222,7 +217,6 @@ Override makes it so the alert is not replaced until cleared by a clear_alert wi
 	owner = null
 	return ..()
 
-
 //MECHS
 /atom/movable/screen/alert/nocell
 	name = "Missing Power Cell"
@@ -243,3 +237,56 @@ Override makes it so the alert is not replaced until cleared by a clear_alert wi
 	name = "Mech Damaged"
 	desc = "Mech integrity is low."
 	icon_state = "low_mech_integrity"
+
+// HUMAN WARNINGS
+/atom/movable/screen/alert/fire
+	name = "On Fire"
+	desc = "You're on fire. Stop, drop and roll to put the fire out, or use a fire extinguisher."
+	icon_state = "fire"
+
+/atom/movable/screen/alert/fire/Click()
+	. = ..()
+	var/mob/living/L = usr
+	if(!istype(L) || usr != owner)
+		return
+	L.resist()
+
+/atom/movable/screen/alert/not_enough_oxy
+	name = "Choking"
+	desc = "You're not getting enough O2. This can be from internal damage or critical condition. Find a solution before you pass out or even die!"
+	icon_state = ALERT_NOT_ENOUGH_OXYGEN
+
+/atom/movable/screen/alert/hot
+	name = "Too Hot"
+	desc = "You're flaming hot! Try to extinguish yourself, and then take Kelotane to cool you down!"
+	icon_state = "hot"
+
+/atom/movable/screen/alert/cold
+	name = "Too Cold"
+	desc = "You're freezing cold! Get somewhere warmer, and layer up next time you go somewhere cold!"
+	icon_state = "cold"
+
+/atom/movable/screen/alert/lowpressure
+	name = "Low Pressure"
+	desc = "The air around you is hazardously thin! Get inside as soon as possible!"
+	icon_state = "lowpressure"
+
+/atom/movable/screen/alert/highpressure
+	name = "High Pressure"
+	desc = "The air around you is hazardously thick."
+	icon_state = "highpressure"
+
+/atom/movable/screen/alert/hungry
+	name = "Hungry"
+	desc = "You could use a bite to eat. Movement speed reduced."
+	icon_state = "hungry"
+
+/atom/movable/screen/alert/starving
+	name = "Starving"
+	desc = "You could eat a horse right now. Movement speed significantly reduced."
+	icon_state = "starving"
+
+/atom/movable/screen/alert/stuffed
+	name = "Stuffed"
+	desc = "You had a bit too much to eat. Work out to lose the extra nutrition. Movement speed reduced."
+	icon_state = "stuffed"

code/_onclick/hud/hud.dm

@@ -40,13 +40,8 @@
 	var/atom/movable/screen/pull_icon
 	var/atom/movable/screen/throw_icon
 	var/atom/movable/screen/rest_icon
-	var/atom/movable/screen/oxygen_icon
-	var/atom/movable/screen/pressure_icon
-	var/atom/movable/screen/toxin_icon
 	var/atom/movable/screen/healths
 	var/atom/movable/screen/stamina_hud/staminas
-	var/atom/movable/screen/fire_icon
-	var/atom/movable/screen/bodytemp_icon
 
 	var/atom/movable/screen/gun_setting_icon
 	var/atom/movable/screen/gun_item_use_icon
@@ -135,13 +130,8 @@
 	zone_sel = null
 	pull_icon = null
 	throw_icon = null
-	oxygen_icon = null
-	pressure_icon = null
-	toxin_icon = null
 	healths = null
 	staminas = null
-	fire_icon = null
-	bodytemp_icon = null
 
 	gun_setting_icon = null
 	gun_item_use_icon = null

code/_onclick/hud/human.dm

@@ -139,34 +139,13 @@
 		hotkeybuttons += pull_icon
 
 	if(hud_data.has_warnings)
-		oxygen_icon = new /atom/movable/screen/oxygen(null, src)
-		infodisplay += oxygen_icon
-
-		toxin_icon = new /atom/movable/screen/toxin(null, src)
-		infodisplay += toxin_icon
-
-		fire_icon = new /atom/movable/screen/fire(null, src)
-		infodisplay += fire_icon
 
 		healths = new /atom/movable/screen/healths(null, src)
 		infodisplay += healths
 
 		staminas = new /atom/movable/screen/stamina_hud(null, src)
 		infodisplay += staminas
 
-	if(hud_data.has_pressure)
-		pressure_icon = new /atom/movable/screen/pressure(null, src)
-		infodisplay += pressure_icon
-
-	if(hud_data.has_bodytemp)
-		bodytemp_icon = new /atom/movable/screen/bodytemp(null, src)
-		infodisplay += bodytemp_icon
-
-
-	if(hud_data.has_nutrition)
-		nutrition_icon = new /atom/movable/screen/nutrition(null, src)
-		infodisplay += nutrition_icon
-
 	rest_icon = new /atom/movable/screen/rest(null, src)
 	rest_icon.icon = ui_style
 	rest_icon.color = ui_color

code/_onclick/hud/screen_objects/screen_objects.dm

@@ -583,145 +583,6 @@
 /atom/movable/screen/drop/Click()
 	usr.drop_item_v()
 
-/atom/movable/screen/bodytemp
-	name = "body temperature"
-	icon_state = "temp0"
-	screen_loc = ui_temp
-
-/atom/movable/screen/bodytemp/update_icon_state()
-	. = ..()
-	if(!ishuman(hud?.mymob))
-		return
-	var/mob/living/carbon/human/human_mymob = hud.mymob
-	if(!human_mymob.species)
-		switch(human_mymob.bodytemperature) //310.055 optimal body temp
-			if(370 to INFINITY)
-				icon_state = "temp4"
-			if(350 to 370)
-				icon_state = "temp3"
-			if(335 to 350)
-				icon_state = "temp2"
-			if(320 to 335)
-				icon_state = "temp1"
-			if(300 to 320)
-				icon_state = "temp0"
-			if(295 to 300)
-				icon_state = "temp-1"
-			if(280 to 295)
-				icon_state = "temp-2"
-			if(260 to 280)
-				icon_state = "temp-3"
-			else
-				icon_state = "temp-4"
-		return
-
-	var/temp_step
-	if(human_mymob.bodytemperature >= human_mymob.species.body_temperature)
-		temp_step = (human_mymob.species.heat_level_1 - human_mymob.species.body_temperature) / 4
-
-		if(human_mymob.bodytemperature >= human_mymob.species.heat_level_1)
-			icon_state = "temp4"
-		else if(human_mymob.bodytemperature >= human_mymob.species.body_temperature + temp_step * 3)
-			icon_state = "temp3"
-		else if(human_mymob.bodytemperature >= human_mymob.species.body_temperature + temp_step * 2)
-			icon_state = "temp2"
-		else if(human_mymob.bodytemperature >= human_mymob.species.body_temperature + temp_step * 1)
-			icon_state = "temp1"
-		else
-			icon_state = "temp0"
-		return
-
-	if(human_mymob.bodytemperature < human_mymob.species.body_temperature)
-		temp_step = (human_mymob.species.body_temperature - human_mymob.species.cold_level_1)/4
-
-		if(human_mymob.bodytemperature <= human_mymob.species.cold_level_1)
-			icon_state = "temp-4"
-		else if(human_mymob.bodytemperature <= human_mymob.species.body_temperature - temp_step * 3)
-			icon_state = "temp-3"
-		else if(human_mymob.bodytemperature <= human_mymob.species.body_temperature - temp_step * 2)
-			icon_state = "temp-2"
-		else if(human_mymob.bodytemperature <= human_mymob.species.body_temperature - temp_step * 1)
-			icon_state = "temp-1"
-		else
-			icon_state = "temp0"
-
-/atom/movable/screen/oxygen
-	name = "oxygen"
-	icon_state = "oxy0"
-	screen_loc = ui_oxygen
-
-/atom/movable/screen/oxygen/update_icon_state()
-	. = ..()
-	if(!ishuman(hud?.mymob))
-		return
-	var/mob/living/carbon/human/human_mymob = hud.mymob
-	if(human_mymob.hal_screwyhud == 3 || human_mymob.oxygen_alert)
-		icon_state = "oxy1"
-	else
-		icon_state = "oxy0"
-
-/atom/movable/screen/toxin
-	name = "toxin"
-	icon_state = "tox0"
-	screen_loc = ui_toxin
-
-/atom/movable/screen/toxin/update_icon_state()
-	. = ..()
-	if(!ishuman(hud?.mymob))
-		return
-	var/mob/living/carbon/human/human_mymob = hud.mymob
-	if(human_mymob.hal_screwyhud == 4)
-		icon_state = "tox1"
-	else
-		icon_state = "tox0"
-
-/atom/movable/screen/pressure
-	name = "pressure"
-	icon_state = "pressure0"
-	screen_loc = ui_pressure
-
-/atom/movable/screen/pressure/update_icon_state()
-	. = ..()
-	if(!ishuman(hud?.mymob))
-		return
-	var/mob/living/carbon/human/human_mymob = hud.mymob
-	icon_state = "pressure[human_mymob.pressure_alert]"
-
-/atom/movable/screen/nutrition
-	name = "nutrition"
-	icon_state = "nutrition1"
-	screen_loc = ui_nutrition
-
-/atom/movable/screen/nutrition/update_icon_state()
-	. = ..()
-	if(!ishuman(hud?.mymob))
-		return
-	var/mob/living/carbon/human/human_mymob = hud.mymob
-	switch(human_mymob.nutrition)
-		if(NUTRITION_OVERFED to INFINITY)
-			icon_state = "nutrition0"
-		if(NUTRITION_HUNGRY to NUTRITION_OVERFED) //Not-hungry.
-			icon_state = "nutrition1" //Empty icon.
-		if(NUTRITION_STARVING to NUTRITION_HUNGRY)
-			icon_state = "nutrition3"
-		else
-			icon_state = "nutrition4"
-
-/atom/movable/screen/fire
-	name = "body temperature"
-	icon_state = "fire0"
-	screen_loc = ui_fire
-
-/atom/movable/screen/fire/update_icon_state()
-	. = ..()
-	if(!ishuman(hud?.mymob))
-		return
-	var/mob/living/carbon/human/human_mymob = hud.mymob
-	if(human_mymob.fire_alert)
-		icon_state = "fire[human_mymob.fire_alert]" //fire_alert is either 0 if no alert, 1 for cold and 2 for heat.
-	else
-		icon_state = "fire0"
-
 /atom/movable/screen/toggle_inv
 	name = "toggle"
 	icon = 'icons/mob/screen/midnight.dmi'

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

@@ -9,11 +9,9 @@
 	var/analgesic = 0
 	///Whether or not the mob is handcuffed
 	var/obj/item/restraints/handcuffs/handcuffed
-	///Tracks whether we can breath right now. Used for a hud icon and for message generation.
-	var/oxygen_alert = FALSE
-	var/phoron_alert = FALSE
-	var/fire_alert = FALSE
-	var/pressure_alert = FALSE
+
+	///Tracks whether our most recent breath has failed, for messages and HUD feedback.
+	var/breath_failing = FALSE
 
 	var/list/internal_organs = list()
 	///Overall drunkenness - check handle_status_effects() in life.dm for effects