Tweaks amount of footprints, and fixes some bugs related to footprints, adds shoetype tracking to footprints

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

@@ -50,6 +50,11 @@
 	var/list/existing_dirs = list()
 	blood_DNA = list()
 
+
+/obj/effect/decal/cleanable/trail_holder/can_bloodcrawl_in()
+	return 1
+
+
 /obj/effect/decal/cleanable/blood/gibs
 	name = "gibs"
 	desc = "They look bloody and gruesome."
@@ -101,31 +106,37 @@
 	icon = 'icons/effects/drip.dmi'
 	icon_state = "1"
 	random_icon_states = list("1","2","3","4","5")
+	bloodiness = 0
 	var/list/drips = list()
 
 /obj/effect/decal/cleanable/blood/drip/New()
 	..()
 	spawn(1)
 		drips |= icon_state
-	bloodiness = rand(5,15)
+
+/obj/effect/decal/cleanable/blood/drip/can_bloodcrawl_in()
+	return 1
 
 
 //BLOODY FOOTPRINTS
 /obj/effect/decal/cleanable/blood/footprints
+	name = "footprints"
 	icon = 'icons/effects/footprints.dmi'
 	icon_state = "nothingwhatsoever"
-	desc = "Follow the bloody brick road!"
+	desc = "where might they lead?"
 	gender = PLURAL
 	random_icon_states = null
 	var/entered_dirs = 0
 	var/exited_dirs = 0
 	blood_state = BLOOD_STATE_HUMAN //the icon state to load images from
+	var/list/shoe_types = list()
 
 /obj/effect/decal/cleanable/blood/footprints/Crossed(atom/movable/O)
 	if(ishuman(O))
 		var/mob/living/carbon/human/H = O
 		if(H.shoes) //Don't need to check for blood, as the footprints will MAKE the shoes bloody
 			entered_dirs|= H.dir
+			shoe_types |= H.shoes.type
 	update_icon()
 
 /obj/effect/decal/cleanable/blood/footprints/Uncrossed(atom/movable/O)
@@ -133,6 +144,7 @@
 		var/mob/living/carbon/human/H = O
 		if(H.shoes)
 			exited_dirs|= H.dir
+			shoe_types |= H.shoes.type
 	update_icon()
 
 /obj/effect/decal/cleanable/blood/footprints/update_icon()
@@ -158,4 +170,22 @@
 			if(I)
 				overlays += I
 
-	alpha = BLOODY_FOOTPRINT_BASE_ALPHA+bloodiness
+	alpha = BLOODY_FOOTPRINT_BASE_ALPHA+bloodiness
+
+
+/obj/effect/decal/cleanable/blood/footprints/examine(mob/user)
+	. = ..()
+	if(shoe_types.len)
+		. += "You recognise the footprints as belonging to:\n"
+		for(var/shoe in shoe_types)
+			var/obj/item/clothing/shoes/S = shoe
+			. += "some <B>[initial(S.name)]</B> \icon[S]\n"
+
+	user << .
+
+
+/obj/effect/decal/cleanable/blood/footprints/can_bloodcrawl_in()
+	if((blood_state != BLOOD_STATE_OIL) && (blood_state != BLOOD_STATE_NOT_BLOODY))
+		return 1
+	return 0
+

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

@@ -50,7 +50,7 @@
 /obj/effect/decal/cleanable/Crossed(atom/movable/O)
 	if(ishuman(O))
 		var/mob/living/carbon/human/H = O
-		if(H.shoes && blood_state)
+		if(H.shoes && blood_state && bloodiness)
 			var/obj/item/clothing/shoes/S = H.shoes
 			var/add_blood = 0
 			if(bloodiness >= BLOOD_GAIN_PER_STEP)
@@ -60,11 +60,12 @@
 			bloodiness -= add_blood
 			S.bloody_shoes[blood_state] = min(MAX_SHOE_BLOODINESS,S.bloody_shoes[blood_state]+add_blood)
 			S.blood_state = blood_state
-			alpha = BLOODY_FOOTPRINT_BASE_ALPHA+bloodiness
 			update_icon()
 			H.update_inv_shoes()
-			if(!bloodiness)
-				animate(src,alpha = 0,BLOOD_FADEOUT_TIME)
-				sleep(BLOOD_FADEOUT_TIME)
-				qdel(src)
-				return
+
+
+
+/obj/effect/decal/cleanable/proc/can_bloodcrawl_in()
+	return bloodiness
+
+