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

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+// Note: BYOND is object oriented. There is no reason for this to be copy/pasted blood code.
+
+/obj/effect/decal/cleanable/xenoblood
+	name = "xeno blood"
+	desc = "It's green and acidic. It looks like... <i>blood?</i>"
+	icon = 'icons/effects/blood.dmi'
+	icon_state = "xfloor1"
+	random_icon_states = list("xfloor1", "xfloor2", "xfloor3", "xfloor4", "xfloor5", "xfloor6", "xfloor7")
+	bloodiness = BLOOD_AMOUNT_PER_DECAL
+	blood_state = BLOOD_STATE_XENO
+
+/obj/effect/decal/cleanable/xenoblood/Initialize()
+	. = ..()
+	add_blood_DNA(list("UNKNOWN DNA" = "X*"))
+
+/obj/effect/decal/cleanable/xenoblood/xsplatter
+	random_icon_states = list("xgibbl1", "xgibbl2", "xgibbl3", "xgibbl4", "xgibbl5")
+
+/obj/effect/decal/cleanable/xenoblood/xgibs
+	name = "xeno gibs"
+	desc = "Gnarly..."
+	icon = 'icons/effects/blood.dmi'
+	icon_state = "xgib1"
+	layer = LOW_OBJ_LAYER
+	random_icon_states = list("xgib1", "xgib2", "xgib3", "xgib4", "xgib5", "xgib6")
+	mergeable_decal = FALSE
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/proc/streak(list/directions)
+	set waitfor = 0
+	var/direction = pick(directions)
+	for(var/i = 0, i < pick(1, 200; 2, 150; 3, 50), i++)
+		sleep(2)
+		if(i > 0)
+			new /obj/effect/decal/cleanable/xenoblood/xsplatter(loc)
+		if(!step_to(src, get_step(src, direction), 0))
+			break
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/ex_act()
+	return
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/up
+	random_icon_states = list("xgib1", "xgib2", "xgib3", "xgib4", "xgib5", "xgib6","xgibup1","xgibup1","xgibup1")
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/down
+	random_icon_states = list("xgib1", "xgib2", "xgib3", "xgib4", "xgib5", "xgib6","xgibdown1","xgibdown1","xgibdown1")
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/body
+	random_icon_states = list("xgibhead", "xgibtorso")
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/torso
+	random_icon_states = list("xgibtorso")
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/limb
+	random_icon_states = list("xgibleg", "xgibarm")
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/core
+	random_icon_states = list("xgibmid1", "xgibmid2", "xgibmid3")
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/larva
+	random_icon_states = list("xgiblarva1", "xgiblarva2")
+
+/obj/effect/decal/cleanable/xenoblood/xgibs/larva/body
+	random_icon_states = list("xgiblarvahead", "xgiblarvatorso")
+
+/obj/effect/decal/cleanable/blood/xtracks
+	icon_state = "xtracks"
+	random_icon_states = null
+
+/obj/effect/decal/cleanable/blood/xtracks/Initialize()
+	. = ..()
+	add_blood_DNA(list("Unknown DNA" = "X*"))

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

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+/obj/effect/decal/cleanable/blood
+	name = "blood"
+	desc = "It's red and gooey. Perhaps it's the chef's cooking?"
+	icon = 'icons/effects/blood.dmi'
+	icon_state = "floor1"
+	random_icon_states = list("floor1", "floor2", "floor3", "floor4", "floor5", "floor6", "floor7")
+	blood_state = BLOOD_STATE_HUMAN
+	bloodiness = BLOOD_AMOUNT_PER_DECAL
+
+/obj/effect/decal/cleanable/blood/replace_decal(obj/effect/decal/cleanable/blood/C)
+	C.add_blood_DNA(return_blood_DNA())
+	if (bloodiness)
+		if (C.bloodiness < MAX_SHOE_BLOODINESS)
+			C.bloodiness += bloodiness
+	return ..()
+
+/obj/effect/decal/cleanable/blood/old
+	name = "dried blood"
+	desc = "Looks like it's been here a while.  Eew."
+	bloodiness = 0
+
+/obj/effect/decal/cleanable/blood/old/Initialize(mapload, list/datum/disease/diseases)
+	icon_state += "-old" //This IS necessary because the parent /blood type uses icon randomization.
+	add_blood_DNA(list("Non-human DNA" = "A+")) // Needs to happen before ..()
+	return ..()
+
+/obj/effect/decal/cleanable/blood/splatter
+	random_icon_states = list("gibbl1", "gibbl2", "gibbl3", "gibbl4", "gibbl5")
+
+/obj/effect/decal/cleanable/blood/tracks
+	icon_state = "tracks"
+	desc = "They look like tracks left by wheels."
+	random_icon_states = null
+
+/obj/effect/decal/cleanable/trail_holder //not a child of blood on purpose
+	name = "blood"
+	icon_state = "ltrails_1"
+	desc = "Your instincts say you shouldn't be following these."
+	random_icon_states = null
+	var/list/existing_dirs = list()
+
+/obj/effect/decal/cleanable/trail_holder/can_bloodcrawl_in()
+	return TRUE
+
+/obj/effect/decal/cleanable/blood/gibs
+	name = "gibs"
+	desc = "They look bloody and gruesome."
+	icon = 'icons/effects/blood.dmi'
+	icon_state = "gibbl5"
+	layer = LOW_OBJ_LAYER
+	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6")
+	mergeable_decal = FALSE
+
+/obj/effect/decal/cleanable/blood/gibs/Initialize(mapload, list/datum/disease/diseases)
+	. = ..()
+	reagents.add_reagent("liquidgibs", 5)
+
+/obj/effect/decal/cleanable/blood/gibs/ex_act(severity, target)
+	return
+
+/obj/effect/decal/cleanable/blood/gibs/Crossed(mob/living/L)
+	if(istype(L) && has_gravity(loc))
+		playsound(loc, 'sound/effects/gib_step.ogg', HAS_TRAIT(L, TRAIT_LIGHT_STEP) ? 20 : 50, 1)
+	. = ..()
+
+/obj/effect/decal/cleanable/blood/gibs/proc/streak(list/directions)
+	set waitfor = 0
+	var/direction = pick(directions)
+	for(var/i = 0, i < pick(1, 200; 2, 150; 3, 50), i++)
+		sleep(2)
+		if(i > 0)
+			var/list/datum/disease/diseases
+			GET_COMPONENT(infective, /datum/component/infective)
+			if(infective)
+				diseases = infective.diseases
+			new /obj/effect/decal/cleanable/blood/splatter(loc, diseases)
+		if(!step_to(src, get_step(src, direction), 0))
+			break
+
+/obj/effect/decal/cleanable/blood/gibs/up
+	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6","gibup1","gibup1","gibup1")
+
+/obj/effect/decal/cleanable/blood/gibs/down
+	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6","gibdown1","gibdown1","gibdown1")
+
+/obj/effect/decal/cleanable/blood/gibs/body
+	random_icon_states = list("gibhead", "gibtorso")
+
+/obj/effect/decal/cleanable/blood/gibs/torso
+	random_icon_states = list("gibtorso")
+
+/obj/effect/decal/cleanable/blood/gibs/limb
+	random_icon_states = list("gibleg", "gibarm")
+
+/obj/effect/decal/cleanable/blood/gibs/core
+	random_icon_states = list("gibmid1", "gibmid2", "gibmid3")
+
+/obj/effect/decal/cleanable/blood/gibs/old
+	name = "old rotting gibs"
+	desc = "Space Jesus, why didn't anyone clean this up?  It smells terrible."
+	bloodiness = 0
+
+/obj/effect/decal/cleanable/blood/gibs/old/Initialize(mapload, list/datum/disease/diseases)
+	. = ..()
+	setDir(pick(1,2,4,8))
+	icon_state += "-old"
+	add_blood_DNA(list("Non-human DNA" = "A+"))
+
+/obj/effect/decal/cleanable/blood/drip
+	name = "drips of blood"
+	desc = "It's red."
+	icon_state = "1"
+	random_icon_states = list("drip1","drip2","drip3","drip4","drip5")
+	bloodiness = 0
+	var/drips = 1
+
+/obj/effect/decal/cleanable/blood/drip/can_bloodcrawl_in()
+	return TRUE
+
+
+//BLOODY FOOTPRINTS
+/obj/effect/decal/cleanable/blood/footprints
+	name = "footprints"
+	icon = 'icons/effects/footprints.dmi'
+	icon_state = "nothingwhatsoever"
+	desc = "WHOSE FOOTPRINTS ARE THESE?"
+	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
+		var/obj/item/clothing/shoes/S = H.shoes
+		if(S && S.bloody_shoes[blood_state])
+			S.bloody_shoes[blood_state] = max(S.bloody_shoes[blood_state] - BLOOD_LOSS_PER_STEP, 0)
+			shoe_types |= S.type
+			if (!(entered_dirs & H.dir))
+				entered_dirs |= H.dir
+				update_icon()
+
+/obj/effect/decal/cleanable/blood/footprints/Uncrossed(atom/movable/O)
+	..()
+	if(ishuman(O))
+		var/mob/living/carbon/human/H = O
+		var/obj/item/clothing/shoes/S = H.shoes
+		if(S && S.bloody_shoes[blood_state])
+			S.bloody_shoes[blood_state] = max(S.bloody_shoes[blood_state] - BLOOD_LOSS_PER_STEP, 0)
+			shoe_types  |= S.type
+			if (!(exited_dirs & H.dir))
+				exited_dirs |= H.dir
+				update_icon()
+
+
+/obj/effect/decal/cleanable/blood/footprints/update_icon()
+	cut_overlays()
+
+	for(var/Ddir in GLOB.cardinals)
+		if(entered_dirs & Ddir)
+			var/image/bloodstep_overlay = GLOB.bloody_footprints_cache["entered-[blood_state]-[Ddir]"]
+			if(!bloodstep_overlay)
+				GLOB.bloody_footprints_cache["entered-[blood_state]-[Ddir]"] = bloodstep_overlay = image(icon, "[blood_state]1", dir = Ddir)
+			add_overlay(bloodstep_overlay)
+		if(exited_dirs & Ddir)
+			var/image/bloodstep_overlay = GLOB.bloody_footprints_cache["exited-[blood_state]-[Ddir]"]
+			if(!bloodstep_overlay)
+				GLOB.bloody_footprints_cache["exited-[blood_state]-[Ddir]"] = bloodstep_overlay = image(icon, "[blood_state]2", dir = Ddir)
+			add_overlay(bloodstep_overlay)
+
+	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
+			. += "[icon2html(initial(S.icon), user)] Some <B>[initial(S.name)]</B>.\n"
+
+	to_chat(user, .)
+
+/obj/effect/decal/cleanable/blood/footprints/replace_decal(obj/effect/decal/cleanable/C)
+	if(blood_state != C.blood_state) //We only replace footprints of the same type as us
+		return
+	..()
+
+/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/misc.dm

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+/obj/effect/decal/cleanable/generic
+	name = "clutter"
+	desc = "Someone should clean that up."
+	icon = 'icons/obj/objects.dmi'
+	icon_state = "shards"
+
+/obj/effect/decal/cleanable/ash
+	name = "ashes"
+	desc = "Ashes to ashes, dust to dust, and into space."
+	icon = 'icons/obj/objects.dmi'
+	icon_state = "ash"
+	mergeable_decal = FALSE
+
+/obj/effect/decal/cleanable/ash/Initialize()
+	. = ..()
+	reagents.add_reagent("ash", 30)
+	pixel_x = rand(-5, 5)
+	pixel_y = rand(-5, 5)
+
+/obj/effect/decal/cleanable/ash/crematorium
+//crematoriums need their own ash cause default ash deletes itself if created in an obj
+	turf_loc_check = FALSE
+
+/obj/effect/decal/cleanable/ash/large
+	name = "large pile of ashes"
+	icon_state = "big_ash"
+
+/obj/effect/decal/cleanable/ash/large/Initialize()
+	. = ..()
+	reagents.add_reagent("ash", 30) //double the amount of ash.
+
+/obj/effect/decal/cleanable/glass
+	name = "tiny shards"
+	desc = "Back to sand."
+	icon = 'icons/obj/shards.dmi'
+	icon_state = "tiny"
+
+/obj/effect/decal/cleanable/glass/Initialize()
+	. = ..()
+	setDir(pick(GLOB.cardinals))
+
+/obj/effect/decal/cleanable/glass/ex_act()
+	qdel(src)
+
+/obj/effect/decal/cleanable/dirt
+	name = "dirt"
+	desc = "Someone should clean that up."
+	icon_state = "dirt"
+	canSmoothWith = list(/obj/effect/decal/cleanable/dirt, /turf/closed/wall, /obj/structure/falsewall)
+	smooth = SMOOTH_FALSE
+	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
+
+/obj/effect/decal/cleanable/dirt/Initialize()
+	. = ..()
+	var/turf/T = get_turf(src)
+	if(T.tiled_dirt)
+		smooth = SMOOTH_MORE
+		icon = 'icons/effects/dirt.dmi'
+		icon_state = ""
+		queue_smooth(src)
+	queue_smooth_neighbors(src)
+
+/obj/effect/decal/cleanable/dirt/Destroy()
+	queue_smooth_neighbors(src)
+	return ..()
+
+/obj/effect/decal/cleanable/flour
+	name = "flour"
+	desc = "It's still good. Four second rule!"
+	icon_state = "flour"
+
+/obj/effect/decal/cleanable/greenglow
+	name = "glowing goo"
+	desc = "Jeez. I hope that's not for lunch."
+	light_color = LIGHT_COLOR_GREEN
+	icon_state = "greenglow"
+
+/obj/effect/decal/cleanable/greenglow/Initialize(mapload)
+	. = ..()
+	set_light(2, 0.8, "#22FFAA")
+
+/obj/effect/decal/cleanable/greenglow/ex_act()
+	return
+
+/obj/effect/decal/cleanable/cobweb
+	name = "cobweb"
+	desc = "Somebody should remove that."
+	gender = NEUTER
+	layer = WALL_OBJ_LAYER
+	icon_state = "cobweb1"
+	resistance_flags = FLAMMABLE
+
+/obj/effect/decal/cleanable/cobweb/cobweb2
+	icon_state = "cobweb2"
+
+/obj/effect/decal/cleanable/molten_object
+	name = "gooey grey mass"
+	desc = "It looks like a melted... something."
+	gender = NEUTER
+	icon = 'icons/effects/effects.dmi'
+	icon_state = "molten"
+	mergeable_decal = FALSE
+
+/obj/effect/decal/cleanable/molten_object/large
+	name = "big gooey grey mass"
+	icon_state = "big_molten"
+
+//Vomit (sorry)
+/obj/effect/decal/cleanable/vomit
+	name = "vomit"
+	desc = "Gosh, how unpleasant."
+	icon = 'icons/effects/blood.dmi'
+	icon_state = "vomit_1"
+	random_icon_states = list("vomit_1", "vomit_2", "vomit_3", "vomit_4")
+
+/obj/effect/decal/cleanable/vomit/attack_hand(mob/user)
+	. = ..()
+	if(.)
+		return
+	if(ishuman(user))
+		var/mob/living/carbon/human/H = user
+		if(isflyperson(H))
+			playsound(get_turf(src), 'sound/items/drink.ogg', 50, 1) //slurp
+			H.visible_message("<span class='alert'>[H] extends a small proboscis into the vomit pool, sucking it with a slurping sound.</span>")
+			if(reagents)
+				for(var/datum/reagent/R in reagents.reagent_list)
+					if (istype(R, /datum/reagent/consumable))
+						var/datum/reagent/consumable/nutri_check = R
+						if(nutri_check.nutriment_factor >0)
+							H.nutrition += nutri_check.nutriment_factor * nutri_check.volume
+							reagents.remove_reagent(nutri_check.id,nutri_check.volume)
+			reagents.trans_to(H, reagents.total_volume)
+			qdel(src)
+
+/obj/effect/decal/cleanable/vomit/old
+	name = "crusty dried vomit"
+	desc = "You try not to look at the chunks, and fail."
+
+/obj/effect/decal/cleanable/vomit/old/Initialize(mapload, list/datum/disease/diseases)
+	. = ..()
+	icon_state += "-old"
+
+/obj/effect/decal/cleanable/tomato_smudge
+	name = "tomato smudge"
+	desc = "It's red."
+	gender = NEUTER
+	icon = 'icons/effects/tomatodecal.dmi'
+	random_icon_states = list("tomato_floor1", "tomato_floor2", "tomato_floor3")
+
+/obj/effect/decal/cleanable/plant_smudge
+	name = "plant smudge"
+	gender = NEUTER
+	icon = 'icons/effects/tomatodecal.dmi'
+	random_icon_states = list("smashed_plant")
+
+/obj/effect/decal/cleanable/egg_smudge
+	name = "smashed egg"
+	desc = "Seems like this one won't hatch."
+	gender = NEUTER
+	icon = 'icons/effects/tomatodecal.dmi'
+	random_icon_states = list("smashed_egg1", "smashed_egg2", "smashed_egg3")
+
+/obj/effect/decal/cleanable/pie_smudge //honk
+	name = "smashed pie"
+	desc = "It's pie cream from a cream pie."
+	gender = NEUTER
+	icon = 'icons/effects/tomatodecal.dmi'
+	random_icon_states = list("smashed_pie")
+
+/obj/effect/decal/cleanable/chem_pile
+	name = "chemical pile"
+	desc = "A pile of chemicals. You can't quite tell what's inside it."
+	gender = NEUTER
+	icon = 'icons/obj/objects.dmi'
+	icon_state = "ash"
+
+/obj/effect/decal/cleanable/shreds
+	name = "shreds"
+	desc = "The shredded remains of what appears to be clothing."
+	icon_state = "shreds"
+	gender = PLURAL
+	mergeable_decal = FALSE
+
+/obj/effect/decal/cleanable/shreds/ex_act(severity, target)
+	if(severity == 1) //so shreds created during an explosion aren't deleted by the explosion.
+		qdel(src)
+
+/obj/effect/decal/cleanable/shreds/Initialize()
+	pixel_x = rand(-10, 10)
+	pixel_y = rand(-10, 10)
+	. = ..()
+
+/obj/effect/decal/cleanable/salt
+	name = "salt pile"
+	desc = "A sizable pile of table salt. Someone must be upset."
+	icon = 'icons/effects/tomatodecal.dmi'
+	icon_state = "salt_pile"
+	gender = NEUTER
+
+/obj/effect/decal/cleanable/glitter
+	name = "generic glitter pile"
+	desc = "The herpes of arts and crafts."
+	icon = 'icons/effects/atmospherics.dmi'
+	gender = NEUTER
+
+/obj/effect/decal/cleanable/glitter/pink
+	name = "pink glitter"
+	icon_state = "plasma_old"
+
+/obj/effect/decal/cleanable/glitter/white
+	name = "white glitter"
+	icon_state = "nitrous_oxide_old"
+
+/obj/effect/decal/cleanable/glitter/blue
+	name = "blue glitter"
+	icon_state = "freon_old"
+
+/obj/effect/decal/cleanable/plasma
+	name = "stabilized plasma"
+	desc = "A puddle of stabilized plasma."
+	icon_state = "flour"
+	color = "#9e0089"
+
+/obj/effect/decal/cleanable/insectguts
+	name = "insect guts"
+	desc = "One bug squashed. Four more will rise in its place."
+	icon = 'icons/effects/blood.dmi'
+	icon_state = "xfloor1"
+	random_icon_states = list("xfloor1", "xfloor2", "xfloor3", "xfloor4", "xfloor5", "xfloor6", "xfloor7")

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

@@ -0,0 +1,60 @@
+// Note: BYOND is object oriented. There is no reason for this to be copy/pasted blood code.
+
+/obj/effect/decal/cleanable/robot_debris
+	name = "robot debris"
+	desc = "It's a useless heap of junk... <i>or is it?</i>"
+	icon = 'icons/mob/robots.dmi'
+	icon_state = "gib1"
+	layer = LOW_OBJ_LAYER
+	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6", "gib7")
+	blood_state = BLOOD_STATE_OIL
+	bloodiness = BLOOD_AMOUNT_PER_DECAL
+	mergeable_decal = FALSE
+
+/obj/effect/decal/cleanable/robot_debris/proc/streak(list/directions)
+	set waitfor = 0
+	var/direction = pick(directions)
+	for (var/i = 0, i < pick(1, 200; 2, 150; 3, 50), i++)
+		sleep(2)
+		if (i > 0)
+			if (prob(40))
+				new /obj/effect/decal/cleanable/oil/streak(src.loc)
+			else if (prob(10))
+				var/datum/effect_system/spark_spread/s = new /datum/effect_system/spark_spread
+				s.set_up(3, 1, src)
+				s.start()
+		if (!step_to(src, get_step(src, direction), 0))
+			break
+
+/obj/effect/decal/cleanable/robot_debris/ex_act()
+	return
+
+/obj/effect/decal/cleanable/robot_debris/limb
+	random_icon_states = list("gibarm", "gibleg")
+
+/obj/effect/decal/cleanable/robot_debris/up
+	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6", "gib7","gibup1","gibup1")
+
+/obj/effect/decal/cleanable/robot_debris/down
+	random_icon_states = list("gib1", "gib2", "gib3", "gib4", "gib5", "gib6", "gib7","gibdown1","gibdown1")
+
+/obj/effect/decal/cleanable/oil
+	name = "motor oil"
+	desc = "It's black and greasy. Looks like Beepsky made another mess."
+	icon = 'icons/mob/robots.dmi'
+	icon_state = "floor1"
+	random_icon_states = list("floor1", "floor2", "floor3", "floor4", "floor5", "floor6", "floor7")
+	blood_state = BLOOD_STATE_OIL
+	bloodiness = BLOOD_AMOUNT_PER_DECAL
+
+/obj/effect/decal/cleanable/oil/Initialize()
+	. = ..()
+	reagents.add_reagent("oil", 30)
+
+/obj/effect/decal/cleanable/oil/streak
+	random_icon_states = list("streak1", "streak2", "streak3", "streak4", "streak5")
+
+/obj/effect/decal/cleanable/oil/slippery
+
+/obj/effect/decal/cleanable/oil/slippery/Initialize()
+	AddComponent(/datum/component/slippery, 80, (NO_SLIP_WHEN_WALKING | SLIDE))