Converts Nutrition alert to hud element (#25616)

* hud

* convert nutrition from alert to hud

* return alert5 and remove some unused ui defines

* reorganize top-to-bottom

code/modules/antagonists/vampire/vamp_datum.dm

@@ -84,7 +84,6 @@ RESTRICT_TYPE(/datum/antagonist/vampire)
 	var/datum/hud/hud = mob_override.hud_used
 	if(hud?.vampire_blood_display)
 		hud.remove_vampire_hud()
-	mob_override.dna?.species.hunger_type = initial(mob_override.dna.species.hunger_type)
 	mob_override.dna?.species.hunger_icon = initial(mob_override.dna.species.hunger_icon)
 	owner.current.alpha = 255
 	REMOVE_TRAITS_IN(owner.current, "vampire")
@@ -354,7 +353,6 @@ RESTRICT_TYPE(/datum/antagonist/vampire)
 		owner.som = new()
 		owner.som.masters += owner
 
-	mob_override.dna?.species.hunger_type = "vampire"
 	mob_override.dna?.species.hunger_icon = 'icons/mob/screen_hunger_vampire.dmi'
 	check_vampire_upgrade(FALSE)
 

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

@@ -668,28 +668,26 @@
 
 #undef BODYPART_PAIN_REDUCTION
 
-/mob/living/carbon/human/proc/handle_nutrition_alerts() //This is a terrible abuse of the alert system; something like this should be a HUD element
-	if(HAS_TRAIT(src, TRAIT_NOHUNGER))
+/mob/living/carbon/human/proc/handle_nutrition_alerts()
+	if(!nutrition_display)
 		return
-	var/new_hunger
+	if(HAS_TRAIT(src, TRAIT_NOHUNGER))
+		nutrition_display.icon_state = null
+		return
+	nutrition_display.icon = dna.species.hunger_icon
 	switch(nutrition)
 		if(NUTRITION_LEVEL_FULL to INFINITY)
-			new_hunger = "fat"
+			nutrition_display.icon_state = "fat"
 		if(NUTRITION_LEVEL_WELL_FED to NUTRITION_LEVEL_FULL)
-			new_hunger = "full"
+			nutrition_display.icon_state = "full"
 		if(NUTRITION_LEVEL_FED to NUTRITION_LEVEL_WELL_FED)
-			new_hunger = "well_fed"
+			nutrition_display.icon_state = "well_fed"
 		if(NUTRITION_LEVEL_HUNGRY to NUTRITION_LEVEL_FED)
-			new_hunger = "fed"
+			nutrition_display.icon_state = "fed"
 		if(NUTRITION_LEVEL_STARVING to NUTRITION_LEVEL_HUNGRY)
-			new_hunger = "hungry"
+			nutrition_display.icon_state = "hungry"
 		else
-			new_hunger = "starving"
-	if(dna.species.hunger_type)
-		new_hunger += "/[dna.species.hunger_type]"
-	if(dna.species.hunger_level != new_hunger)
-		dna.species.hunger_level = new_hunger
-		throw_alert("nutrition", "/atom/movable/screen/alert/hunger/[new_hunger]", icon_override = dna.species.hunger_icon)
+			nutrition_display.icon_state = "starving"
 
 /mob/living/carbon/human/handle_random_events()
 	// Puke if toxloss is too high

code/modules/mob/living/carbon/human/species/_species.dm

@@ -48,8 +48,6 @@
 	var/hunger_drain = HUNGER_FACTOR
 	var/taste_sensitivity = TASTE_SENSITIVITY_NORMAL //the most widely used factor; humans use a different one
 	var/hunger_icon = 'icons/mob/screen_hunger.dmi'
-	var/hunger_type
-	var/hunger_level
 
 	var/siemens_coeff = 1 //base electrocution coefficient
 

code/modules/mob/living/carbon/human/species/machine.dm

@@ -44,7 +44,6 @@
 	butt_sprite = "machine"
 
 	hunger_icon = 'icons/mob/screen_hunger_machine.dmi'
-	hunger_type = "machine"
 
 	has_organ = list(
 		"brain" = /obj/item/organ/internal/brain/mmi_holder/posibrain,

code/modules/mob/mob_vars.dm

@@ -27,6 +27,7 @@
 	*/
 	var/atom/movable/screen/leap_icon = null
 	var/atom/movable/screen/healthdoll/healthdoll = null
+	var/atom/movable/screen/nutrition/nutrition_display = null
 
 	var/use_me = TRUE //Allows all mobs to use the me verb by default, will have to manually specify they cannot
 	var/damageoverlaytemp = 0