u h g. I hate this

code/modules/antagonists/cult/blood_magic.dm

@@ -739,9 +739,9 @@
 		for(var/obj/effect/decal/cleanable/trail_holder/TH in view(T, 2))
 			qdel(TH)
 		var/obj/item/clothing/shoes/shoecheck = user.shoes
-		if(shoecheck && shoecheck.bloody_shoes["blood"])
-			temp += shoecheck.bloody_shoes["blood"]/20
-			shoecheck.bloody_shoes["blood"] = 0
+		if(shoecheck && shoecheck.blood_smear["blood"])
+			temp += shoecheck.blood_smear["blood"]/20
+			shoecheck.blood_smear["blood"] = 0
 		if(temp)
 			user.Beam(T,icon_state="drainbeam",time=15)
 			new /obj/effect/temp_visual/cult/sparks(get_turf(user))

code/modules/clothing/clothing.dm

@@ -41,6 +41,10 @@
 	var/dynamic_hair_suffix = ""//head > mask for head hair
 	var/dynamic_fhair_suffix = ""//mask > head for facial hair
 
+	var/blood_color = BLOOD_COLOR_HUMAN
+	var/blood_state = BLOOD_STATE_NOT_BLOODY
+	var/list/blood_smear = list(BLOOD_STATE_BLOOD = 0, BLOOD_STATE_OIL = 0, BLOOD_STATE_NOT_BLOODY = 0)
+
 /obj/item/clothing/Initialize()
 	. = ..()
 	if(ispath(pocket_storage_component_path))

code/modules/clothing/shoes/_shoes.dm

@@ -10,12 +10,8 @@
 
 	permeability_coefficient = 0.5
 	slowdown = SHOES_SLOWDOWN
-	var/blood_state = BLOOD_STATE_NOT_BLOODY
-	var/list/bloody_shoes = list(BLOOD_STATE_BLOOD = 0, BLOOD_STATE_OIL = 0, BLOOD_STATE_NOT_BLOODY = 0)
 	var/offset = 0
 	var/equipped_before_drop = FALSE
-	var/last_bloodtype = ""//used to track the last bloodtype to have graced these shoes; makes for better performing footprint shenanigans
-	var/last_blood_DNA = ""//same as last one
 
 	//CITADEL EDIT Enables digitigrade shoe styles
 	var/adjusted = NORMAL_STYLE
@@ -51,15 +47,15 @@
 		IF_HAS_BLOOD_DNA(src)
 			bloody = TRUE
 		else
-			bloody = bloody_shoes[BLOOD_STATE_BLOOD]
+			bloody = blood_smear[BLOOD_STATE_BLOOD]
 
 		if(damaged_clothes)
 			. += mutable_appearance('icons/effects/item_damage.dmi', "damagedshoe")
 		if(bloody)
 			if(adjusted == NORMAL_STYLE)
-				. += mutable_appearance('icons/effects/blood.dmi', "shoeblood", color = bloodtype_to_color(last_bloodtype))
+				. += mutable_appearance('icons/effects/blood.dmi', "shoeblood", color = blood_DNA_to_color(blood_mix_types))
 			else
-				. += mutable_appearance('modular_citadel/icons/mob/digishoes.dmi', "shoeblood", color = bloodtype_to_color(last_bloodtype))
+				. += mutable_appearance('modular_citadel/icons/mob/digishoes.dmi', "shoeblood", color = blood_DNA_to_color(blood_mix_types))
 
 /obj/item/clothing/shoes/equipped(mob/user, slot)
 	. = ..()
@@ -98,7 +94,7 @@
 /obj/item/clothing/shoes/proc/clean_blood(datum/source, strength)
 	if(strength < CLEAN_STRENGTH_BLOOD)
 		return
-	bloody_shoes = list(BLOOD_STATE_BLOOD = 0, BLOOD_STATE_OIL = 0, BLOOD_STATE_NOT_BLOODY = 0)
+	blood_smear = list(BLOOD_STATE_BLOOD = 0, BLOOD_STATE_OIL = 0, BLOOD_STATE_NOT_BLOODY = 0)
 	blood_state = BLOOD_STATE_NOT_BLOODY
 	if(ismob(loc))
 		var/mob/M = loc

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

@@ -43,9 +43,9 @@
 	var/bleed_rate = 0 //how much are we bleeding
 	var/bleedsuppress = 0 //for stopping bloodloss, eventually this will be limb-based like bleeding
 
+	var/bloodiness = 0
 	var/blood_state = BLOOD_STATE_NOT_BLOODY
 	var/list/blood_smear = list(BLOOD_STATE_BLOOD = 0, BLOOD_STATE_OIL = 0, BLOOD_STATE_NOT_BLOODY = 0)
-	var/last_bloodtype = ""//used to track the last bloodtype to have graced this smelly person. for smears on the floor
 	var/last_blood_DNA = ""//same as last one
 
 	var/name_override //For temporary visible name changes

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

@@ -55,18 +55,17 @@
 
 				//Bloody footprints
 				var/turf/T = get_turf(src)
-				if(S.bloody_shoes && S.bloody_shoes[S.blood_state])
+				if(S.blood_smear && S.blood_smear[S.blood_state])
 					var/obj/effect/decal/cleanable/blood/footprints/tracks/oldFP = locate(/obj/effect/decal/cleanable/blood/footprints/tracks) in T
-					if(oldFP && (oldFP.blood_state == S.blood_state && oldFP.color == bloodtype_to_color(S.last_bloodtype)))
+					if(oldFP && (oldFP.blood_state == S.blood_state && oldFP.color == color))
 						return
-					S.bloody_shoes[S.blood_state] = max(0, S.bloody_shoes[S.blood_state]-BLOOD_LOSS_PER_STEP)
+					S.blood_smear[S.blood_state] = max(0, S.blood_smear[S.blood_state]-BLOOD_LOSS_PER_STEP)
 					var/obj/effect/decal/cleanable/blood/footprints/tracks/footprints/FP = new /obj/effect/decal/cleanable/blood/footprints/tracks/footprints(T)
 					FP.icon_state = FOOTPRINT_SHOE
 					FP.print_state = FOOTPRINT_SHOE
 					FP.blood_state = S.blood_state
 					FP.entered_dirs |= dir
-					FP.bloodiness = S.bloody_shoes[S.blood_state]
-					FP.bloodmeme = S.bloodmeme
+					FP.bloodiness = S.blood_smear[S.blood_state]
 					FP.update_icon()
 					update_inv_shoes()
 				//End bloody footprints
@@ -82,7 +81,7 @@
 					var/turf/T = get_turf(src)
 					if(bloodiness)
 						var/obj/effect/decal/cleanable/blood/footprints/tracks/oldFP = locate(/obj/effect/decal/cleanable/blood/footprints/tracks) in T
-						if (oldFP.color == color)
+						if(oldFP && (oldFP.blood_state == blood_state && oldFP.color == color))
 							return
 						else
 							var/obj/effect/decal/cleanable/blood/footprints/tracks/FP = new /obj/effect/decal/cleanable/blood/footprints/tracks(T)
@@ -107,18 +106,17 @@
 								FP.icon_state = FOOTPRINT_SHOE
 								FP.print_state = FOOTPRINT_SHOE
 							FP.add_blood_DNA(return_blood_DNA())
-							FP.bloodmeme = bloodmeme
 							FP.update_icon()
 							var/newdir = get_dir(T, loc)
 							if(newdir == dir)
-								B.setDir(newdir)
+								FP.setDir(newdir)
 							else
 								newdir = newdir | dir
 								if(newdir == 3)
 									newdir = 1
 								else if(newdir == 12)
 									newdir = 4
-							B.setDir(newdir)
+							FP.setDir(newdir)
 							bloodiness--
 
 			else //we're on the floor, smear some stuff around
@@ -128,26 +126,24 @@
 					var/turf/T = get_turf(src)
 					if(bloodiness)
 						var/obj/effect/decal/cleanable/blood/footprints/tracks/oldFP = locate(/obj/effect/decal/cleanable/blood/footprints/tracks) in T
-						if (oldFP.color == color)
+						if(oldFP && (oldFP.blood_state == blood_state && oldFP.color == color))
 							return
 						else
 							var/obj/effect/decal/cleanable/blood/footprints/tracks/FP = new /obj/effect/decal/cleanable/blood/footprints/tracks/body(T)
 							FP.icon_state = FOOTPRINT_DRAG
 							FP.print_state = FOOTPRINT_DRAG
 							FP.add_blood_DNA(return_blood_DNA())
-							FP.bloodtrack = bloodtrack
-							FP.bloodmeme = bloodmeme
 							FP.update_icon()
 							var/newdir = get_dir(T, loc)
 							if(newdir == dir)
-								B.setDir(newdir)
+								FP.setDir(newdir)
 							else
 								newdir = newdir | dir
 								if(newdir == 3)
 									newdir = 1
 								else if(newdir == 12)
 									newdir = 4
-							B.setDir(newdir)
+							FP.setDir(newdir)
 							bloodiness--
 
 /mob/living/carbon/human/Process_Spacemove(movement_dir = 0) //Temporary laziness thing. Will change to handles by species reee.

code/modules/reagents/chemistry/reagents/other_reagents.dm

@@ -106,10 +106,8 @@
 		// Get blood data from the blood reagent.
 		if(istype(R, /datum/reagent/blood))
 			if(R.data["blood_type"])
-				B.bloodmeme = R.data["blood_type"]
-		if(istype(R, /datum/reagent/liquidgibs))
-			if(R.data["blood_type"])
-				B.bloodmeme = R.data["blood_type"]
+				B.blood_list_checks(src, R.data["blood_type"])
+				B.color = B.blood_DNA_to_color(blood_mix_types)
 
 /datum/reagent/blood/synthetics
 	data = list("donor"=null,"viruses"=null,"blood_DNA"=null, "bloodcolor" = BLOOD_COLOR_SYNTHETIC, "blood_type"="SY","resistances"=null,"trace_chem"=null,"mind"=null,"ckey"=null,"gender"=null,"real_name"=null,"cloneable"=null,"factions"=null)