Adds more decals. Moving turfs now includes under/overlays.

code/_helpers/unsorted.dm

@@ -774,11 +774,15 @@ proc/GaussRandRound(var/sigma,var/roundto)
 					var/old_dir1 = T.dir
 					var/old_icon_state1 = T.icon_state
 					var/old_icon1 = T.icon
+					var/old_overlays = T.overlays.Copy()
+					var/old_underlays = T.underlays.Copy()
 
 					var/turf/X = B.ChangeTurf(T.type)
 					X.set_dir(old_dir1)
 					X.icon_state = old_icon_state1
 					X.icon = old_icon1 //Shuttle floors are in shuttle.dmi while the defaults are floors.dmi
+					X.overlays = old_overlays
+					X.underlays = old_underlays
 
 					var/turf/simulated/ST = T
 					if(istype(ST) && ST.zone)
@@ -921,6 +925,8 @@ proc/DuplicateObject(obj/original, var/perfectcopy = 0 , var/sameloc = 0)
 					var/old_dir1 = T.dir
 					var/old_icon_state1 = T.icon_state
 					var/old_icon1 = T.icon
+					var/old_overlays = T.overlays.Copy()
+					var/old_underlays = T.underlays.Copy()
 
 					if(platingRequired)
 						if(istype(B, get_base_turf(B.z)))
@@ -931,7 +937,8 @@ proc/DuplicateObject(obj/original, var/perfectcopy = 0 , var/sameloc = 0)
 					X.set_dir(old_dir1)
 					X.icon_state = old_icon_state1
 					X.icon = old_icon1 //Shuttle floors are in shuttle.dmi while the defaults are floors.dmi
-
+					X.overlays = old_overlays
+					X.underlays = old_underlays
 
 					var/list/objs = new/list()
 					var/list/newobjs = new/list()

code/game/turfs/flooring/flooring_decals.dm

@@ -194,6 +194,27 @@ var/list/floor_decals = list()
 /obj/effect/floor_decal/corner/grey/full
 	icon_state = "corner_white_full"
 
+/obj/effect/floor_decal/spline/plain
+	name = "spline - plain"
+	icon_state = "spline_plain"
+
+/obj/effect/floor_decal/spline/fancy
+	name = "spline - fancy"
+	icon_state = "spline_fancy"
+
+/obj/effect/floor_decal/spline/fancy/wood
+	name = "spline - wood"
+	color = "#CB9E04"
+
+/obj/effect/floor_decal/spline/fancy/wood/corner
+	icon_state = "spline_fancy_corner"
+
+/obj/effect/floor_decal/spline/fancy/wood/cee
+	icon_state = "spline_fancy_cee"
+
+/obj/effect/floor_decal/spline/fancy/wood/full
+	icon_state = "spline_fancy_full"
+
 /obj/effect/floor_decal/industrial/warning
 	name = "hazard stripes"
 	icon_state = "warning"
@@ -246,6 +267,16 @@ var/list/floor_decals = list()
 	name = "plaque"
 	icon_state = "plaque"
 
+/obj/effect/floor_decal/carpet
+	name = "carpet"
+	icon = 'icons/turf/flooring/carpet.dmi'
+	icon_state = "carpet_edges"
+
+/obj/effect/floor_decal/carpet/corners
+	name = "carpet"
+	icon = 'icons/turf/flooring/carpet.dmi'
+	icon_state = "carpet_corners"
+
 /obj/effect/floor_decal/asteroid
 	name = "random asteroid rubble"
 	icon_state = "asteroid0"