just need the stupid component to work properly now

code/game/objects/effects/decals/cleanable.dm

@@ -84,6 +84,7 @@
 			S.blood_smear[blood_state] = min(MAX_SHOE_BLOODINESS,S.blood_smear[blood_state]+add_blood)
 			S.add_blood_DNA(return_blood_DNA())
 			S.blood_state = blood_state
+			S.blood_color = blood_color
 			update_icon()
 			H.update_inv_shoes()
 
@@ -97,6 +98,7 @@
 			H.blood_smear[blood_state] = min(MAX_SHOE_BLOODINESS,H.blood_smear[blood_state]+add_blood)
 			H.add_blood_DNA(return_blood_DNA())
 			H.blood_state = blood_state
+			H.blood_color = blood_color
 			update_icon()
 
 /obj/effect/decal/cleanable/proc/can_bloodcrawl_in()

code/game/objects/effects/decals/cleanable/gibs.dm

@@ -11,12 +11,16 @@
 
 /obj/effect/decal/cleanable/blood/gibs/proc/guts()
 	if(gib_overlay)
-		var/mutable_appearance/gibz = mutable_appearance(icon, icon_state + "-overlay", layer = (LOW_OBJ_LAYER - 0.1))
-		var/mutable_appearance/gibz2 = mutable_appearance(icon, icon_state + "c-overlay", color = body_colors, layer = (LOW_OBJ_LAYER - 0.2))
+		var/mutable_appearance/gibz = mutable_appearance(icon, icon_state + "-overlay", color = blood_color)
+		gibz.layer = (LOW_OBJ_LAYER - 0.1)
+		var/mutable_appearance/gibz2 = mutable_appearance(icon, icon_state + "c-overlay", color = body_colors)
+		gibz2.layer = (LOW_OBJ_LAYER - 0.2)
 		if(!slimy_gibs)
 			gibz.appearance_flags = RESET_COLOR
-		add_overlay(gibz)
-		add_overlay(gibz2)
+			add_overlay(gibz)
+		else
+			add_overlay(gibz)
+			add_overlay(gibz2)
 
 /obj/effect/decal/cleanable/blood/gibs/ex_act(severity, target)
 	return
@@ -41,8 +45,10 @@
 			GET_COMPONENT(infective, /datum/component/infective)
 			if(infective)
 				diseases = infective.diseases
+			var/obj/effect/decal/cleanable/blood/gibs/gibbers = src
 			var/obj/effect/decal/cleanable/blood/splatter/splat = new /obj/effect/decal/cleanable/blood/splatter(loc, diseases)
-			splat.update_icon()
+			splat.color = gibbers.blood_color
+
 		if(!step_to(src, get_step(src, direction), 0))
 			break
 
@@ -97,8 +103,8 @@
 /obj/effect/decal/cleanable/blood/gibs/human/Initialize(mapload, list/datum/disease/diseases)
 	. = ..()
 	reagents.add_reagent("liquidgibs", 5)
-	update_icon()
 	guts()
+	update_icon()
 
 /obj/effect/decal/cleanable/blood/gibs/human/up
 	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6","gibup1","gibup1","gibup1")

code/game/objects/effects/decals/cleanable/humans.dm

@@ -8,9 +8,9 @@
 	color = BLOOD_COLOR_HUMAN //default so we don't have white splotches everywhere.
 	bloodiness = BLOOD_AMOUNT_PER_DECAL
 
-/obj/effect/decal/cleanable/blood/Initialize(mapload, list/datum/disease/diseases)
-	AddComponent(/datum/component/forensics, null,null,blood_DNA,null,blood_mix_types,blood_mix_color)
+/obj/effect/decal/cleanable/blood/ComponentInitialize()
 	. = ..()
+	AddComponent(/datum/component/forensics)
 	update_icon()
 
 /obj/effect/decal/cleanable/blood/replace_decal(obj/effect/decal/cleanable/blood/C)
@@ -20,7 +20,7 @@
 	update_icon()
 	return ..()
 
-obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
+/obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 	return TRUE
 
 /obj/effect/decal/cleanable/blood/transfer_mob_blood_dna()
@@ -29,10 +29,21 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 
 /obj/effect/decal/cleanable/blood/update_icon()
 	GET_COMPONENT(F, /datum/component/forensics)
-	if(istype(F))
-		F.blood_mix_color = blood_color
+	if(F && istype(F))
+		blood_color = F.blood_mix_color
+	else
+		for(var/datum/reagent/R in reagents.reagent_list)
+			// Get blood data from the blood reagent.
+			if(istype(R, /datum/reagent/blood))
+				if(R.data["blood_type"])
+					blood_color = bloodtype_to_color(R.data["blood_type"])
+			else if(istype(R, /datum/reagent/liquidgibs))
+				if(R.data["blood_type"])
+					blood_color = bloodtype_to_color(R.data["blood_type"])
+
 	color = blood_color
 
+
 /obj/effect/decal/cleanable/blood/old
 	name = "dried blood"
 	desc = "Looks like it's been here a while. Eew."
@@ -91,6 +102,7 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 		var/obj/item/clothing/shoes/S = H.shoes
 		if(S && S.blood_smear[blood_state])
 			S.blood_smear[blood_state] = max(S.blood_smear[blood_state] - BLOOD_LOSS_PER_STEP, 0)
+			S.blood_color = blood_color
 			shoe_types |= S.type
 			if (!(entered_dirs & H.dir))
 				entered_dirs |= H.dir
@@ -99,6 +111,7 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 		else if(!H.bloodiness)
 			H.blood_smear[blood_state] = max(S.blood_smear[blood_state] - BLOOD_LOSS_PER_STEP, 0)
 			H.bloodiness = max(H.bloodiness - BLOOD_LOSS_IN_SPREAD, 0)
+			H.blood_color = blood_color
 			if (!(entered_dirs & H.dir))
 				entered_dirs |= H.dir
 				update_icon()
@@ -111,6 +124,7 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 		var/obj/item/clothing/shoes/S = H.shoes
 		if(S && S.blood_smear[blood_state])
 			S.blood_smear[blood_state] = max(S.blood_smear[blood_state] - BLOOD_LOSS_PER_STEP, 0)
+			S.blood_color = blood_color
 			shoe_types  |= S.type
 			if (!(exited_dirs & H.dir))
 				exited_dirs |= H.dir
@@ -119,31 +133,29 @@ obj/effect/decal/cleanable/blood/add_blood_DNA(list/blood_dna)
 		else if(!H.bloodiness)
 			H.blood_smear[blood_state] = max(H.blood_smear[blood_state] - BLOOD_LOSS_PER_STEP, 0)
 			H.bloodiness = max(H.bloodiness - BLOOD_LOSS_IN_SPREAD, 0)
+			H.blood_color = blood_color
 			if (!(exited_dirs & H.dir))
 				exited_dirs |= H.dir
 				update_icon()
 
 /obj/effect/decal/cleanable/blood/footprints/tracks/update_icon()
-	..()
 	cut_overlays()
 
 	for(var/Ddir in GLOB.cardinals)
-		GET_COMPONENT(B, /datum/component/forensics)
 		if(entered_dirs & Ddir)
 			var/image/bloodstep_overlay = GLOB.bloody_footprints_cache["entered-[print_state]-[Ddir]-[color]"]
 			if(!bloodstep_overlay)
-				GLOB.bloody_footprints_cache["entered-[print_state]-[Ddir]-[color]"] = bloodstep_overlay = image(icon, "[print_state]1", dir = Ddir, color = blood_color)
-			bloodstep_overlay.Blend(blood_color, ICON_MULTIPLY)
+				GLOB.bloody_footprints_cache["entered-[print_state]-[Ddir]-[color]"] = bloodstep_overlay = image(icon, "[print_state]1", dir = Ddir)
 			add_overlay(bloodstep_overlay)
 		if(exited_dirs & Ddir)
 			var/image/bloodstep_overlay = GLOB.bloody_footprints_cache["exited-[print_state]-[Ddir]-[color]"]
 			if(!bloodstep_overlay)
-				GLOB.bloody_footprints_cache["exited-[print_state]-[Ddir]-[color]"] = bloodstep_overlay = image(icon, "[print_state]2", dir = Ddir, color = blood_color)
-			bloodstep_overlay.Blend(blood_color, ICON_MULTIPLY)
+				GLOB.bloody_footprints_cache["exited-[print_state]-[Ddir]-[color]"] = bloodstep_overlay = image(icon, "[print_state]2", dir = Ddir)
 			add_overlay(bloodstep_overlay)
 
 	alpha = BLOODY_FOOTPRINT_BASE_ALPHA + bloodiness
 
+
 /obj/effect/decal/cleanable/blood/footprints/tracks/examine(mob/user)
 	. = ..()
 	if(shoe_types.len && ishuman(user) && user.mind.assigned_role == "Detective") //gumshoe does the detective thing, not every fucking assistant

code/modules/clothing/shoes/_shoes.dm

@@ -52,11 +52,10 @@
 		if(damaged_clothes)
 			. += mutable_appearance('icons/effects/item_damage.dmi', "damagedshoe")
 		if(bloody)
-			GET_COMPONENT(D, /datum/component/forensics)
 			if(adjusted == NORMAL_STYLE)
-				. += mutable_appearance('icons/effects/blood.dmi', "shoeblood", color = D.blood_mix_color)
+				. += mutable_appearance('icons/effects/blood.dmi', "shoeblood", color = blood_color)
 			else
-				. += mutable_appearance('modular_citadel/icons/mob/digishoes.dmi', "shoeblood", color = D.blood_mix_color)
+				. += mutable_appearance('modular_citadel/icons/mob/digishoes.dmi', "shoeblood", color = blood_color)
 
 /obj/item/clothing/shoes/equipped(mob/user, slot)
 	. = ..()
@@ -97,6 +96,7 @@
 		return
 	blood_smear = list(BLOOD_STATE_BLOOD = 0, BLOOD_STATE_OIL = 0, BLOOD_STATE_NOT_BLOODY = 0)
 	blood_state = BLOOD_STATE_NOT_BLOODY
+	blood_color = null
 	if(ismob(loc))
 		var/mob/M = loc
 		M.update_inv_shoes()

code/modules/mob/living/blood.dm

@@ -234,7 +234,7 @@
 	if(ishuman(C))
 		var/mob/living/carbon/human/H = C
 		if(H.dna.species.exotic_blood)
-			return "[H.dna.species.exotic_blood]"
+			return H.dna.species.exotic_blood
 	if(dna.species.exotic_blood)
 		return dna.species.exotic_blood
 	else if((NOBLOOD in dna.species.species_traits) || (has_trait(TRAIT_NOCLONE)))

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

@@ -64,6 +64,7 @@
 					FP.icon_state = FOOTPRINT_SHOE
 					FP.print_state = FOOTPRINT_SHOE
 					FP.blood_state = S.blood_state
+					FP.blood_color = S.blood_color
 					FP.entered_dirs |= dir
 					FP.bloodiness = S.blood_smear[S.blood_state]
 					FP.update_icon()
@@ -79,7 +80,8 @@
 					if(!has_gravity(loc))
 						return
 					var/turf/T = get_turf(src)
-					if(bloodiness)
+					var/mob/living/carbon/human/H = src
+					if(H.bloodiness)
 						var/obj/effect/decal/cleanable/blood/footprints/tracks/oldFP = locate(/obj/effect/decal/cleanable/blood/footprints/tracks) in T
 						if(oldFP && (oldFP.blood_state == blood_state && oldFP.color == color))
 							return
@@ -106,6 +108,7 @@
 								FP.icon_state = FOOTPRINT_SHOE
 								FP.print_state = FOOTPRINT_SHOE
 							FP.add_blood_DNA(return_blood_DNA())
+							FP.blood_color = H.blood_color
 							FP.update_icon()
 							var/newdir = get_dir(T, loc)
 							if(newdir == dir)
@@ -124,6 +127,7 @@
 					if(!has_gravity(loc))
 						return
 					var/turf/T = get_turf(src)
+					var/mob/living/carbon/human/H = src
 					if(bloodiness)
 						var/obj/effect/decal/cleanable/blood/footprints/tracks/oldFP = locate(/obj/effect/decal/cleanable/blood/footprints/tracks) in T
 						if(oldFP && (oldFP.blood_state == blood_state && oldFP.color == color))
@@ -133,6 +137,7 @@
 							FP.icon_state = FOOTPRINT_DRAG
 							FP.print_state = FOOTPRINT_DRAG
 							FP.add_blood_DNA(return_blood_DNA())
+							FP.blood_color = H.blood_color
 							FP.update_icon()
 							var/newdir = get_dir(T, loc)
 							if(newdir == dir)