Removed turf_animation for now, ported vg hasproximity optimisation. Rewrite and refactor of how turfs handle icon updates, edge smoothing and

construction/deconstruction. Major map rework/changes.

code/modules/mining/drilling/drill.dm

@@ -74,8 +74,8 @@
 		return
 
 	//Drill through the flooring, if any.
-	if(istype(get_turf(src), /turf/simulated/floor/plating/airless/asteroid))
-		var/turf/simulated/floor/plating/airless/asteroid/T = get_turf(src)
+	if(istype(get_turf(src), /turf/simulated/floor/asteroid))
+		var/turf/simulated/floor/asteroid/T = get_turf(src)
 		if(!T.dug)
 			T.gets_dug()
 	else if(istype(get_turf(src), /turf/simulated/floor))

code/modules/mining/mine_items.dm

@@ -230,7 +230,7 @@
 	var/obj/item/stack/flag/F = locate() in get_turf(src)
 
 	var/turf/T = get_turf(src)
-	if(!T || !istype(T,/turf/simulated/floor/plating/airless/asteroid))
+	if(!T || !istype(T,/turf/simulated/floor/asteroid))
 		user << "The flag won't stand up in this terrain."
 		return
 

code/modules/mining/mine_turfs.dm

@@ -14,7 +14,7 @@
 	density = 1
 	blocks_air = 1
 	temperature = T0C
-	var/mined_turf = /turf/simulated/floor/plating/airless/asteroid
+	var/mined_turf = /turf/simulated/floor/asteroid
 	var/ore/mineral
 	var/mined_ore = 0
 	var/last_act = 0
@@ -41,8 +41,8 @@
 	var/list/step_overlays = list("s" = NORTH, "n" = SOUTH, "w" = EAST, "e" = WEST)
 	for(var/direction in step_overlays)
 		var/turf/turf_to_check = get_step(src,step_overlays[direction])
-		if(update_neighbors && istype(turf_to_check,/turf/simulated/floor/plating/airless/asteroid))
-			var/turf/simulated/floor/plating/airless/asteroid/T = turf_to_check
+		if(update_neighbors && istype(turf_to_check,/turf/simulated/floor/asteroid))
+			var/turf/simulated/floor/asteroid/T = turf_to_check
 			T.updateMineralOverlays()
 		else if(istype(turf_to_check,/turf/space) || istype(turf_to_check,/turf/simulated/floor))
 			turf_to_check.overlays += image('icons/turf/walls.dmi', "rock_side_[direction]")
@@ -283,7 +283,7 @@
 
 	//Add some rubble,  you did just clear out a big chunk of rock.
 
-	var/turf/simulated/floor/plating/airless/asteroid/N = ChangeTurf(mined_turf)
+	var/turf/simulated/floor/asteroid/N = ChangeTurf(mined_turf)
 
 	// Kill and update the space overlays around us.
 	for(var/direction in step_overlays)
@@ -387,25 +387,31 @@
 
 /**********************Asteroid**************************/
 
-
-/turf/simulated/floor/plating/airless/asteroid //floor piece
+// Setting icon/icon_state initially will use these values when the turf is built on/replaced.
+// This means you can put grass on the asteroid etc.
+/turf/simulated/floor/asteroid
 	name = "sand"
-	icon = 'icons/turf/floors.dmi'
+	icon = 'icons/turf/flooring/asteroid.dmi'
 	icon_state = "asteroid"
+	base_name = "sand"
+	base_desc = "Gritty and unpleasant."
+	base_icon = 'icons/turf/flooring/asteroid.dmi'
+	base_icon_state = "asteroid"
+
+	initial_flooring = null
 	oxygen = 0
 	nitrogen = 0
 	temperature = TCMB
-	icon_plating = "asteroid"
 	var/dug = 0       //0 = has not yet been dug, 1 = has already been dug
 	var/overlay_detail
 	has_resources = 1
 
-/turf/simulated/floor/plating/airless/asteroid/New()
+/turf/simulated/floor/asteroid/New()
 
 	if(prob(20))
 		overlay_detail = "asteroid[rand(0,9)]"
 
-/turf/simulated/floor/plating/airless/asteroid/ex_act(severity)
+/turf/simulated/floor/asteroid/ex_act(severity)
 	switch(severity)
 		if(3.0)
 			return
@@ -416,7 +422,10 @@
 			gets_dug()
 	return
 
-/turf/simulated/floor/plating/airless/asteroid/attackby(obj/item/weapon/W as obj, mob/user as mob)
+/turf/simulated/floor/asteroid/is_plating()
+	return 0
+
+/turf/simulated/floor/asteroid/attackby(obj/item/weapon/W as obj, mob/user as mob)
 
 	if(!W || !user)
 		return 0
@@ -468,7 +477,7 @@
 		..(W,user)
 	return
 
-/turf/simulated/floor/plating/airless/asteroid/proc/gets_dug()
+/turf/simulated/floor/asteroid/proc/gets_dug()
 
 	if(dug)
 		return
@@ -477,11 +486,10 @@
 		new/obj/item/weapon/ore/glass(src)
 
 	dug = 1
-	icon_plating = "asteroid_dug"
 	icon_state = "asteroid_dug"
 	return
 
-/turf/simulated/floor/plating/airless/asteroid/proc/updateMineralOverlays(var/update_neighbors)
+/turf/simulated/floor/asteroid/proc/updateMineralOverlays(var/update_neighbors)
 
 	overlays.Cut()
 
@@ -494,17 +502,18 @@
 		if(istype(get_step(src, step_overlays[direction]), /turf/simulated/mineral))
 			overlays += image('icons/turf/walls.dmi', "rock_side_[direction]")
 
-	if(overlay_detail) overlays += overlay_detail
+	//todo cache
+	if(overlay_detail) overlays |= image(icon = 'icons/turf/flooring/decals.dmi', icon_state = overlay_detail)
 
 	if(update_neighbors)
 		var/list/all_step_directions = list(NORTH,NORTHEAST,EAST,SOUTHEAST,SOUTH,SOUTHWEST,WEST,NORTHWEST)
 		for(var/direction in all_step_directions)
-			var/turf/simulated/floor/plating/airless/asteroid/A
-			if(istype(get_step(src, direction), /turf/simulated/floor/plating/airless/asteroid))
+			var/turf/simulated/floor/asteroid/A
+			if(istype(get_step(src, direction), /turf/simulated/floor/asteroid))
 				A = get_step(src, direction)
 				A.updateMineralOverlays()
 
-/turf/simulated/floor/plating/airless/asteroid/Entered(atom/movable/M as mob|obj)
+/turf/simulated/floor/asteroid/Entered(atom/movable/M as mob|obj)
 	..()
 	if(istype(M,/mob/living/silicon/robot))
 		var/mob/living/silicon/robot/R = M