Changes some 1s and 0s to TRUE and FALSE (#1967)

code/game/turfs/closed.dm

@@ -2,7 +2,7 @@
 	var/thermite = 0
 	layer = CLOSED_TURF_LAYER
 	opacity = 1
-	density = 1
+	density = TRUE
 	blocks_air = 1
 
 /turf/closed/get_smooth_underlay_icon(mutable_appearance/underlay_appearance, turf/asking_turf, adjacency_dir)

code/game/turfs/simulated/floor/light_floor.dm

@@ -5,7 +5,7 @@
 	icon_state = "light_on"
 	floor_tile = /obj/item/stack/tile/light
 	broken_states = list("light_broken")
-	var/on = 1
+	var/on = TRUE
 	var/state = 0//0 = fine, 1 = flickering, 2 = breaking, 3 = broken
 	var/list/coloredlights = list("g", "r", "y", "b", "p", "w", "s","o","g")
 	var/currentcolor = 1
@@ -51,13 +51,13 @@
 	if(!can_modify_colour)
 		return
 	if(!on)
-		on = 1
+		on = TRUE
 		currentcolor = 1
 		return
 	else
 		currentcolor++
 	if(currentcolor > coloredlights.len)
-		on = 0
+		on = FALSE
 	update_icon()
 	..()  //I am not sure what the parent procs have for attack_hand, best to check later.
 

code/game/turfs/simulated/minerals.dm

@@ -10,7 +10,7 @@
 	baseturf = /turf/open/floor/plating/asteroid/airless
 	initial_gas_mix = "TEMP=2.7"
 	opacity = 1
-	density = 1
+	density = TRUE
 	blocks_air = 1
 	layer = EDGED_TURF_LAYER
 	temperature = TCMB

code/game/turfs/simulated/wall/reinf_walls.dm

@@ -4,7 +4,7 @@
 	icon = 'icons/turf/walls/reinforced_wall.dmi'
 	icon_state = "r_wall"
 	opacity = 1
-	density = 1
+	density = TRUE
 
 	var/d_state = INTACT
 	hardness = 10

code/game/turfs/simulated/walls.dm

@@ -227,9 +227,9 @@
 	O.desc = "Looks hot."
 	O.icon = 'icons/effects/fire.dmi'
 	O.icon_state = "2"
-	O.anchored = 1
+	O.anchored = TRUE
 	O.opacity = 1
-	O.density = 1
+	O.density = TRUE
 	O.layer = FLY_LAYER
 
 	playsound(src, 'sound/items/welder.ogg', 100, 1)