Adds support for overriding what happens when a tile is destroyed in most cases.

code/__HELPERS/lists.dm

@@ -64,6 +64,13 @@ proc/isemptylist(list/list)
 			return 1
 	return 0
 
+//Checks for specific paths in a list
+/proc/is_path_in_list(var/atom/A, var/list/L)
+	for(var/path in L)
+		if(ispath(A, path))
+			return 1
+	return 0
+
 //Empties the list by setting the length to 0. Hopefully the elements get garbage collected
 proc/clearlist(list/list)
 	if(istype(list))

code/game/objects/items/weapons/RCD.dm

@@ -99,16 +99,24 @@
 		build_cost =  1
 		build_type =  "floor"
 		build_turf =  /turf/simulated/floor/plating/airless
+	else if(!deconstruct && istype(T,/turf/simulated/floor/plating/asteroid))
+		build_cost =  1
+		build_type =  "floor"
+		build_turf =  /turf/simulated/floor/plating
 	else if(deconstruct && istype(T,/turf/simulated/wall))
 		build_delay = deconstruct ? 50 : 40
 		build_cost =  5
 		build_type =  (!canRwall && istype(T,/turf/simulated/wall/r_wall)) ? null : "wall"
 		build_turf =  /turf/simulated/floor
 	else if(istype(T,/turf/simulated/floor))
+		var/turf/simulated/floor/F = T
 		build_delay = deconstruct ? 50 : 20
 		build_cost =  deconstruct ? 10 : 3
 		build_type =  deconstruct ? "floor" : "wall"
-		build_turf =  deconstruct ? /turf/space : /turf/simulated/wall
+		if(F.check_destroy_override(F))
+			build_turf =  deconstruct ? destroy_floor_override_path : /turf/simulated/wall
+		else
+			build_turf =  deconstruct ? /turf/space : /turf/simulated/wall
 	else
 		return 0
 

code/game/objects/structures/lattice.dm

@@ -11,9 +11,9 @@
 /obj/structure/lattice/New()
 	..()
 ///// Z-Level Stuff
-	if(!(istype(src.loc, /turf/space) || istype(src.loc, /turf/simulated/floor/open)))
+//	if(!(istype(src.loc, /turf/space) || istype(src.loc, /turf/simulated/floor/open)))
 ///// Z-Level Stuff
-		del(src)
+//		del(src)
 	for(var/obj/structure/lattice/LAT in src.loc)
 		if(LAT != src)
 			del(LAT)

code/game/turfs/simulated.dm

@@ -14,6 +14,16 @@
 	..()
 	levelupdate()
 
+/turf/simulated/proc/check_destroy_override()
+	if(destroy_floor_override) //Don't bother doing the additional checks if we don't have to.
+		var/area/my_area = get_area(src)
+		my_area = my_area.master
+		if(is_type_in_list(my_area, destroy_floor_override_ignore_areas))
+			return 0
+		if(z in destroy_floor_override_z_levels)
+			return 1
+	return 0
+
 /turf/simulated/proc/AddTracks(var/typepath,var/bloodDNA,var/comingdir,var/goingdir,var/bloodcolor="#A10808")
 	var/obj/effect/decal/cleanable/blood/tracks/tracks = locate(typepath) in src
 	if(!tracks)

code/game/turfs/simulated/floor.dm

@@ -70,6 +70,8 @@ var/list/wood_icons = list("wood","wood-broken")
 	else
 		icon_regular_floor = icon_state
 
+
+
 //turf/simulated/floor/CanPass(atom/movable/mover, turf/target, height=0, air_group=0)
 //	if ((istype(mover, /obj/machinery/vehicle) && !(src.burnt)))
 //		if (!( locate(/obj/machinery/mass_driver, src) ))
@@ -80,14 +82,23 @@ var/list/wood_icons = list("wood","wood-broken")
 	//set src in oview(1)
 	switch(severity)
 		if(1.0)
-			src.ChangeTurf(/turf/space)
+			if(check_destroy_override())
+				src.ChangeTurf(destroy_floor_override_path)
+			else
+				src.ChangeTurf(/turf/space)
 		if(2.0)
 			switch(pick(1,2;75,3))
 				if (1)
-					src.ReplaceWithLattice()
+					if(check_destroy_override())
+						src.ChangeTurf(destroy_floor_override_path)
+					else
+						src.ReplaceWithLattice()
 					if(prob(33)) new /obj/item/stack/sheet/metal(src)
 				if(2)
-					src.ChangeTurf(/turf/space)
+					if(check_destroy_override())
+						src.ChangeTurf(destroy_floor_override_path)
+					else
+						src.ChangeTurf(/turf/space)
 				if(3)
 					if(prob(80))
 						src.break_tile_to_plating()

code/game/turfs/simulated/floor_types.dm

@@ -216,4 +216,48 @@
 	icon_state = "snow"
 
 /turf/simulated/floor/plating/snow/ex_act(severity)
-	return
+	return
+
+/turf/simulated/floor/plating/asteroid //underfloor for the station
+	name = "asteroid"
+	icon = 'icons/turf/floors.dmi'
+	icon_state = "asteroid"
+	icon_plating = "asteroid"
+
+/turf/simulated/floor/plating/asteroid/ex_act(severity)
+	return
+
+/turf/simulated/floor/plating/asteroid/attackby(obj/item/weapon/W as obj, mob/user as mob)
+
+	if(!W || !user)
+		return 0
+
+	if(istype(W, /obj/item/weapon/shovel) || istype(W, /obj/item/weapon/pickaxe))
+		user << "<span class='warning'>This area is unsuitable for digging.</span>"
+		return
+
+	if(istype(W, /obj/item/stack/rods))
+		var/obj/structure/lattice/L = locate(/obj/structure/lattice, src)
+		if(L)
+			return
+		var/obj/item/stack/rods/R = W
+		if (R.use(1))
+			user << "<span class='notice'>Constructing support lattice ...</span>"
+			playsound(src, 'sound/weapons/Genhit.ogg', 50, 1)
+			new /obj/structure/lattice(get_turf(src))
+		return
+
+	if(istype(W, /obj/item/stack/tile/plasteel))
+		var/obj/structure/lattice/L = locate(/obj/structure/lattice, src)
+		if(L)
+			var/obj/item/stack/tile/plasteel/S = W
+			if (S.get_amount() < 1)
+				return
+			del(L)
+			playsound(src, 'sound/weapons/Genhit.ogg', 50, 1)
+			S.build(src)
+			S.use(1)
+			return
+		else
+			user << "<span class='warning'>The plating is going to need some support.</span>"
+	return

code/game/turfs/simulated/walls.dm

@@ -183,7 +183,10 @@
 /turf/simulated/wall/ex_act(severity)
 	switch(severity)
 		if(1.0)
-			src.ChangeTurf(/turf/space)
+			if(check_destroy_override())
+				src.ChangeTurf(destroy_floor_override_path)
+			else
+				src.ChangeTurf(/turf/space)
 			return
 		if(2.0)
 			if(prob(75))

code/global.dm

@@ -86,11 +86,24 @@ var/blobevent   = 0
 
 var/diary          = null
 var/href_logfile   = null
-var/station_name   = "NSS Exodus"
-var/game_version   = "Baystation12"
+var/station_name   = "Northern Star"
+var/game_version   = "Polaris"
 var/changelog_hash = ""
 var/game_year      = (text2num(time2text(world.realtime, "YYYY")) + 544)
 
+
+	//On some maps, it does not make sense for space turf to appear when something blows up (e.g. on an asteroid colony, or planetside)
+	//The turf listed here is what is created after ex_act() and other tile-destroying procs are called on a turf that
+	//is not already in a blacklisted area.
+	//Set to 1 to enable it.
+var/destroy_floor_override = 1
+	//Below is the path of turf used in place of space tiles.
+var/destroy_floor_override_path = /turf/simulated/floor/plating/asteroid
+	//A list of z-levels to apply the override to.  This is so z-levels like tcomms work as they did before.
+var/list/destroy_floor_override_z_levels = list(1)
+	//Some areas you may want to not turn into the override path you made above, like space or the solars.
+var/list/destroy_floor_override_ignore_areas = list(/area/space,/area/solar,/area/shuttle)
+
 var/going             = 1.0
 var/master_mode       = "extended" // "extended"
 var/secret_force_mode = "secret"   // if this is anything but "secret", the secret rotation will forceably choose this mode.

code/modules/mining/mine_turfs.dm

@@ -463,6 +463,32 @@
 				F.attackby(W,user)
 				return
 
+	else if(istype(W, /obj/item/stack/rods))
+		var/obj/structure/lattice/L = locate(/obj/structure/lattice, src)
+		if(L)
+			return
+		var/obj/item/stack/rods/R = W
+		if (R.use(1))
+			user << "<span class='notice'>Constructing support lattice ...</span>"
+			playsound(src, 'sound/weapons/Genhit.ogg', 50, 1)
+			new /obj/structure/lattice(get_turf(src))
+		return
+
+	else if(istype(W, /obj/item/stack/tile/plasteel))
+		var/obj/structure/lattice/L = locate(/obj/structure/lattice, src)
+		if(L)
+			var/obj/item/stack/tile/plasteel/S = W
+			if (S.get_amount() < 1)
+				return
+			del(L)
+			playsound(src, 'sound/weapons/Genhit.ogg', 50, 1)
+			S.build(src)
+			S.use(1)
+			return
+		else
+			user << "<span class='warning'>The plating is going to need some support.</span>"
+			return
+
 	else
 		..(W,user)
 	return