stop this nonsense

code/modules/ruins/lavalandruin_code/elephantgraveyard.dm

@@ -85,7 +85,7 @@
 		to_chat(user, "You fill in the oil well with soil.")
 		O.play_tool_sound(src)
 		deconstruct()
-		return 1
+		return TRUE
 	if(istype(O, /obj/item/reagent_containers)) //Refilling bottles with oil
 		var/obj/item/reagent_containers/RG = O
 		if(RG.is_refillable())
@@ -97,7 +97,7 @@
 			return FALSE
 	if(user.a_intent != INTENT_HARM)
 		to_chat(user, "<span class='notice'>You won't have any luck getting \the [O] out if you drop it in the oil.</span>")
-		return 1
+		return TRUE
 	else
 		return ..()
 
@@ -170,14 +170,14 @@
 						user.gain_trauma(/datum/brain_trauma/magic/stalker)
 						to_chat(user, "<span class='boldwarning'>Oh no, no no no, THEY'RE EVERYWHERE! EVERY ONE OF THEM IS EVERYWHERE!</span>")
 						first_open = FALSE
-					return 1
-				return 1
+					return TRUE
+				return TRUE
 			else
 				to_chat(user, "<span class='notice'>You can't dig up a grave with \the [S.name].</span>")
-				return 1
+				return TRUE
 		else
 			to_chat(user, "<span class='notice'>The grave has already been dug up.</span>")
-			return 1
+			return TRUE
 
 	else if((user.a_intent != INTENT_HELP) && opened) //checks to attempt to remove the grave entirely.
 		if(istype(S,cutting_tool) && S.tool_behaviour == TOOL_SHOVEL)
@@ -186,7 +186,7 @@
 				to_chat(user, "<span class='notice'>You remove \the [src]  completely.</span>")
 				SEND_SIGNAL(user, COMSIG_ADD_MOOD_EVENT, "graverobbing", /datum/mood_event/graverobbing)
 				deconstruct(TRUE)
-				return 1
+				return TRUE
 	return
 
 /obj/structure/closet/crate/grave/bust_open()

code/modules/ruins/lavalandruin_code/puzzle.dm

@@ -127,12 +127,12 @@
 	if(A.y > B.y)
 		return -1
 	if(A.y < B.y)
-		return 1
+		return TRUE
 	if(A.x > B.x)
-		return 1
+		return TRUE
 	if(A.x < B.x)
 		return -1
-	return 0
+	return FALSE
 
 /obj/effect/sliding_puzzle/proc/elements_in_order()
 	return sortTim(elements,cmp=/proc/cmp_xy_desc)
@@ -207,7 +207,7 @@
 
 /obj/structure/puzzle_element/Move(nloc, dir)
 	if(!isturf(nloc) ||  moving_diagonally || get_dist(get_step(src,dir),get_turf(source)) > 1)
-		return 0
+		return FALSE
 	else
 		return ..()
 

code/modules/ruins/objects_and_mobs/necropolis_gate.dm

@@ -57,7 +57,7 @@
 		return QDEL_HINT_LETMELIVE
 
 /obj/structure/necropolis_gate/singularity_pull()
-	return 0
+	return FALSE
 
 /obj/structure/necropolis_gate/CanAllowThrough(atom/movable/mover, turf/target)
 	. = ..()
@@ -67,7 +67,7 @@
 /obj/structure/necropolis_gate/CheckExit(atom/movable/O, target)
 	if(get_dir(O.loc, target) == dir)
 		return !density
-	return 1
+	return TRUE
 
 /obj/structure/opacity_blocker
 	icon = 'icons/effects/96x96.dmi'
@@ -81,7 +81,7 @@
 	anchored = TRUE
 
 /obj/structure/opacity_blocker/singularity_pull()
-	return 0
+	return FALSE
 
 /obj/structure/opacity_blocker/Destroy(force)
 	if(force)
@@ -236,7 +236,7 @@ GLOBAL_DATUM(necropolis_gate, /obj/structure/necropolis_gate/legion_gate)
 	add_overlay(top_overlay)
 
 /obj/structure/necropolis_arch/singularity_pull()
-	return 0
+	return FALSE
 
 /obj/structure/necropolis_arch/Destroy(force)
 	if(force)