Kidney overhaul (#31324)

* The Kidneying

* Oculine

code/modules/reagents/chemistry/reagents/drinks_reagents.dm

@@ -1076,6 +1076,7 @@
 	taste_description = "salt"
 	adj_dizzy = -5 SECONDS
 	process_flags = ORGANIC | SYNTHETIC
+	max_kidney_damage = 3
 
 /datum/reagent/consumable/drink/electrolytes/on_mob_life(mob/living/M)
 	M.AdjustConfused(-5 SECONDS)

code/modules/reagents/chemistry/reagents/medicine.dm

@@ -144,6 +144,7 @@
 	color = "#8523be"
 	taste_description = "nurturing"
 	goal_difficulty = REAGENT_GOAL_NORMAL
+	max_kidney_damage = 0
 
 /datum/reagent/medicine/mitocholide/on_mob_life(mob/living/M)
 	if(ishuman(M))
@@ -449,6 +450,7 @@
 	reagent_state = LIQUID
 	taste_description = "dust"
 	goal_difficulty = REAGENT_GOAL_EASY
+	max_kidney_damage = 0
 
 /datum/reagent/medicine/charcoal/on_mob_life(mob/living/M)
 	var/update_flags = STATUS_UPDATE_NONE
@@ -472,6 +474,7 @@
 	addiction_threshold = 5
 	harmless = FALSE
 	taste_description = "health"
+	max_kidney_damage = 0
 
 /datum/reagent/medicine/omnizine/on_mob_life(mob/living/carbon/human/H)
 	var/update_flags = STATUS_UPDATE_NONE
@@ -641,6 +644,7 @@
 	metabolization_rate = 0.2
 	taste_description = "safety"
 	goal_difficulty = REAGENT_GOAL_NORMAL
+	max_kidney_damage = 0
 
 /datum/reagent/medicine/salbutamol/on_mob_life(mob/living/M)
 	var/update_flags = STATUS_UPDATE_NONE
@@ -663,6 +667,7 @@
 	harmless = FALSE
 	taste_description = "oxygenation"
 	goal_difficulty = REAGENT_GOAL_NORMAL
+	max_kidney_damage = 0
 
 /datum/reagent/medicine/perfluorodecalin/on_mob_life(mob/living/carbon/human/M)
 	var/update_flags = STATUS_UPDATE_NONE
@@ -833,6 +838,7 @@
 	color = "#757377"
 	taste_description = "clarity"
 	goal_difficulty = REAGENT_GOAL_HARD
+	max_kidney_damage = 0
 
 /datum/reagent/medicine/oculine/on_mob_life(mob/living/M)
 	var/update_flags = STATUS_UPDATE_NONE
@@ -1013,6 +1019,7 @@
 	harmless = FALSE
 	overdose_threshold = 15
 	goal_difficulty = REAGENT_GOAL_HARD
+	max_kidney_damage = 4
 
 /datum/reagent/medicine/sanguine_reagent/on_mob_life(mob/living/M)
 	if(!ishuman(M))
@@ -1069,6 +1076,7 @@
 	harmless = FALSE
 	overdose_threshold = 30 //so a single shotgun dart can't cause the tumor effect
 	goal_difficulty = REAGENT_GOAL_HARD
+	max_kidney_damage = 4 // So much calcium
 
 /datum/reagent/medicine/osseous_reagent/on_mob_life(mob/living/M)
 	var/update_flags = STATUS_UPDATE_NONE
@@ -1096,6 +1104,7 @@
 	color = "#D1D1F1"
 	taste_description = "sweetness"
 	goal_difficulty = REAGENT_GOAL_EASY
+	max_kidney_damage = 0
 
 /datum/reagent/medicine/mannitol/on_mob_life(mob/living/M)
 	var/update_flags = STATUS_UPDATE_NONE

code/modules/reagents/chemistry/reagents_datum.dm

@@ -55,6 +55,9 @@
 	/// If we burn in a fire, what color do we have?
 	var/burn_color
 
+	/// How much damage can this reagent do when you have no kidneys?
+	var/max_kidney_damage = 2
+
 /datum/reagent/Destroy()
 	. = ..()
 	holder = null