map editing is nicer with notepad ++ at least

_maps/RandomRuins/LavaRuins/lavaland_surface_alien_nest.dmm

@@ -147,7 +147,7 @@
 /area/ruin/unpowered/xenonest)
 "aH" = (
 /obj/structure/alien/weeds,
-/obj/effect/decal/cleanable/blood/tracks,
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plating/asteroid/basalt/lava_land_surface,
 /area/ruin/unpowered/xenonest)
 "aI" = (

_maps/RandomRuins/LavaRuins/lavaland_surface_envy.dmm

@@ -34,7 +34,7 @@
 	},
 /area/ruin/unpowered)
 "g" = (
-/obj/effect/decal/cleanable/blood/tracks,
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/structure/mirror{
 	desc = "This mirror has been shattered. It looks like the bad luck energies spilling from it are taking immediate effect on your surroundings!";
 	icon_state = "mirror_broke";

_maps/RandomZLevels/moonoutpost19.dmm

@@ -1970,22 +1970,14 @@
 	},
 /area/awaymission/moonoutpost19/syndicate)
 "dE" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plating/asteroid{
 	initial_gas_mix = "co2=48.7;n2=13.2;o2=32.4;TEMP=251";
 	heat_capacity = 1e+006
 	},
 /area/awaymission/moonoutpost19/main)
 "dF" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_2"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plating/asteroid{
 	initial_gas_mix = "co2=48.7;n2=13.2;o2=32.4;TEMP=251";
 	heat_capacity = 1e+006
@@ -2555,11 +2547,7 @@
 /obj/structure/cable{
 	icon_state = "4-8"
 	},
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plating{
 	heat_capacity = 1e+006
 	},
@@ -2579,11 +2567,7 @@
 /obj/machinery/door/airlock/maintenance{
 	req_access_txt = "201"
 	},
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plating{
 	heat_capacity = 1e+006
 	},
@@ -2592,11 +2576,7 @@
 /obj/structure/cable{
 	icon_state = "4-8"
 	},
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 5;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/effect/turf_decal/tile/purple{
 	dir = 8
 	},
@@ -2774,10 +2754,7 @@
 /obj/structure/extinguisher_cabinet{
 	pixel_x = -26
 	},
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	icon_state = "ltrails_2"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/structure/alien/weeds,
 /obj/effect/turf_decal/tile/purple{
 	dir = 8
@@ -3214,10 +3191,7 @@
 	},
 /area/awaymission/moonoutpost19/research)
 "gl" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/effect/turf_decal/tile/purple{
 	dir = 8
 	},
@@ -3419,11 +3393,7 @@
 /obj/item/shard{
 	icon_state = "small"
 	},
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/effect/turf_decal/tile/red,
 /obj/effect/turf_decal/tile/red{
 	dir = 4
@@ -3442,11 +3412,7 @@
 	},
 /area/awaymission/moonoutpost19/research)
 "gF" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 6;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/effect/turf_decal/tile/purple{
 	dir = 8
 	},
@@ -4417,11 +4383,7 @@
 	},
 /area/awaymission/moonoutpost19/research)
 "is" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plasteel/white{
 	heat_capacity = 1e+006
 	},
@@ -6531,11 +6493,7 @@
 /obj/machinery/light/small{
 	dir = 8
 	},
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 9;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/effect/turf_decal/tile/neutral{
 	dir = 8
 	},
@@ -6546,11 +6504,7 @@
 	},
 /area/awaymission/moonoutpost19/arrivals)
 "mQ" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plasteel{
 	initial_gas_mix = "co2=48.7;n2=13.2;o2=32.4;TEMP=251";
 	dir = 8;
@@ -6564,21 +6518,13 @@
 	id_tag = "awaydorm2";
 	name = "Dorm 2"
 	},
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plasteel{
 	heat_capacity = 1e+006
 	},
 /area/awaymission/moonoutpost19/arrivals)
 "mS" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 5;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/carpet{
 	heat_capacity = 1e+006
 	},
@@ -6623,10 +6569,7 @@
 /turf/open/floor/mineral/titanium/yellow,
 /area/awaymission/moonoutpost19/arrivals)
 "mZ" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/effect/turf_decal/tile/neutral{
 	dir = 8
 	},
@@ -6747,10 +6690,7 @@
 	},
 /area/awaymission/moonoutpost19/arrivals)
 "nq" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	icon_state = "ltrails_2"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/machinery/camera{
 	c_tag = "Dormitories";
 	dir = 4;
@@ -6875,11 +6815,7 @@
 /obj/item/shard{
 	icon_state = "small"
 	},
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 9;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plating/asteroid{
 	initial_gas_mix = "co2=48.7;n2=13.2;o2=32.4;TEMP=251";
 	heat_capacity = 1e+006
@@ -6889,11 +6825,7 @@
 /obj/structure/grille/broken,
 /obj/item/stack/rods,
 /obj/item/shard,
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_2"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plating{
 	initial_gas_mix = "co2=48.7;n2=13.2;o2=32.4;TEMP=251";
 	heat_capacity = 1e+006;
@@ -6902,11 +6834,7 @@
 	},
 /area/awaymission/moonoutpost19/arrivals)
 "nE" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_2"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /turf/open/floor/plating{
 	initial_gas_mix = "co2=48.7;n2=13.2;o2=32.4;TEMP=251";
 	heat_capacity = 1e+006;
@@ -6915,11 +6843,7 @@
 	},
 /area/awaymission/moonoutpost19/arrivals)
 "nF" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 8;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/effect/decal/cleanable/dirt,
 /turf/open/floor/plasteel{
 	initial_gas_mix = "co2=48.7;n2=13.2;o2=32.4;TEMP=251";
@@ -6928,11 +6852,7 @@
 	},
 /area/awaymission/moonoutpost19/arrivals)
 "nG" = (
-/obj/effect/decal/cleanable/blood/tracks{
-	desc = "Your instincts say you shouldn't be following these.";
-	dir = 6;
-	icon_state = "ltrails_1"
-	},
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels,
 /obj/effect/decal/cleanable/dirt,
 /turf/open/floor/plasteel{
 	initial_gas_mix = "co2=48.7;n2=13.2;o2=32.4;TEMP=251";

_maps/RandomZLevels/wildwest.dmm

@@ -957,7 +957,7 @@
 /obj/structure/mineral_door/wood{
 	icon_state = "wood"
 	},
-/obj/effect/decal/cleanable/blood/tracks,
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels
 /turf/open/floor/plating/ironsand{
 	icon_state = "ironsand1"
 	},
@@ -998,7 +998,7 @@
 	},
 /area/awaymission/wildwest/gov)
 "dt" = (
-/obj/effect/decal/cleanable/blood/tracks,
+/obj/effect/decal/cleanable/blood/footprints/tracks/wheels
 /turf/open/floor/plating/ironsand{
 	icon_state = "ironsand1"
 	},