Port over remaining Lavaland ruins

code/game/objects/structures/lattice.dm

@@ -59,6 +59,26 @@
 	if(current_size >= STAGE_FOUR)
 		qdel(src)
 
+/obj/structure/lattice/clockwork
+	name = "cog lattice"
+	desc = "A lightweight support lattice. These hold the Justicar's station together."
+	icon = 'icons/obj/smooth_structures/lattice_clockwork.dmi'
+
+/obj/structure/lattice/clockwork/Initialize(mapload)
+	. = ..()
+	ratvar_act()
+
+/obj/structure/lattice/clockwork/ratvar_act()
+	if((x + y) % 2 != 0)
+		icon = 'icons/obj/smooth_structures/lattice_clockwork_large.dmi'
+		pixel_x = -9
+		pixel_y = -9
+	else
+		icon = 'icons/obj/smooth_structures/lattice_clockwork.dmi'
+		pixel_x = 0
+		pixel_y = 0
+	return TRUE
+
 /obj/structure/lattice/catwalk
 	name = "catwalk"
 	desc = "A catwalk for easier EVA maneuvering and cable placement."
@@ -82,3 +102,30 @@
 	for(var/obj/structure/cable/C in T)
 		C.deconstruct()
 	..()
+
+/obj/structure/lattice/catwalk/clockwork
+	name = "clockwork catwalk"
+	icon = 'icons/obj/smooth_structures/catwalk_clockwork.dmi'
+	canSmoothWith = list(/obj/structure/lattice,
+	/turf/simulated/floor,
+	/turf/simulated/wall,
+	/obj/structure/falsewall)
+	smooth = SMOOTH_MORE
+
+/obj/structure/lattice/catwalk/clockwork/Initialize(mapload)
+	. = ..()
+	ratvar_act()
+	if(!mapload)
+		new /obj/effect/temp_visual/ratvar/floor/catwalk(loc)
+		new /obj/effect/temp_visual/ratvar/beam/catwalk(loc)
+
+/obj/structure/lattice/catwalk/clockwork/ratvar_act()
+	if((x + y) % 2 != 0)
+		icon = 'icons/obj/smooth_structures/catwalk_clockwork_large.dmi'
+		pixel_x = -9
+		pixel_y = -9
+	else
+		icon = 'icons/obj/smooth_structures/catwalk_clockwork.dmi'
+		pixel_x = 0
+		pixel_y = 0
+	return TRUE