Port AI static to vis_contents

code/game/turfs/simulated/floor/plating/misc_plating.dm

@@ -47,8 +47,9 @@
 
 /turf/open/floor/plating/ashplanet/Initialize()
 	if(smooth)
-		pixel_y = -4
-		pixel_x = -4
+		var/matrix/M = new
+		M.Translate(-4, -4)
+		transform = M
 		icon = smooth_icon
 	. = ..()
 

code/game/turfs/simulated/minerals.dm

@@ -27,8 +27,9 @@
 /turf/closed/mineral/Initialize()
 	if (!canSmoothWith)
 		canSmoothWith = list(/turf/closed/mineral, /turf/closed/indestructible)
-	pixel_y = -4
-	pixel_x = -4
+	var/matrix/M = new
+	M.Translate(-4, -4)
+	transform = M
 	icon = smooth_icon
 	. = ..()
 	if (mineralType && mineralAmt && spread && spreadChance)

code/game/turfs/turf.dm

@@ -19,8 +19,6 @@
 
 	flags_1 = CAN_BE_DIRTY_1
 
-	var/image/obscured	//camerachunks
-
 	var/list/image/blueprint_data //for the station blueprints, images of objects eg: pipes
 
 	var/explosion_level = 0	//for preventing explosion dodging