stop this nonsense

code/game/objects/effects/alien_acid.dm

@@ -36,7 +36,7 @@
 	. = 1
 	if(!target)
 		qdel(src)
-		return 0
+		return FALSE
 
 	if(prob(5))
 		playsound(loc, 'sound/items/welder.ogg', 100, 1)
@@ -51,7 +51,7 @@
 	acid_level = max(acid_level - (5 + 2*round(sqrt(acid_level))), 0)
 	if(acid_level <= 0)
 		qdel(src)
-		return 0
+		return FALSE
 
 /obj/effect/acid/Crossed(AM as mob|obj)
 	. = ..()

code/game/objects/effects/effect_system/effects_foam.dm

@@ -169,14 +169,14 @@
 
 /obj/effect/particle_effect/foam/proc/foam_mob(mob/living/L)
 	if(lifetime<1)
-		return 0
+		return FALSE
 	if(!istype(L))
-		return 0
+		return FALSE
 	var/fraction = 1/initial(reagent_divisor)
 	if(lifetime % reagent_divisor)
 		reagents.reaction(L, VAPOR, fraction)
 	lifetime--
-	return 1
+	return TRUE
 
 /obj/effect/particle_effect/foam/proc/spread_foam()
 	var/turf/t_loc = get_turf(src)

code/game/objects/effects/effect_system/effects_smoke.dm

@@ -49,23 +49,23 @@
 	lifetime--
 	if(lifetime < 1)
 		kill_smoke()
-		return 0
+		return FALSE
 	for(var/mob/living/L in range(0,src))
 		smoke_mob(L)
-	return 1
+	return TRUE
 
 /obj/effect/particle_effect/smoke/proc/smoke_mob(mob/living/carbon/C)
 	if(!istype(C))
-		return 0
+		return FALSE
 	if(lifetime<1)
-		return 0
+		return FALSE
 	if(C.internal != null || C.has_smoke_protection())
-		return 0
+		return FALSE
 	if(C.smoke_delay)
-		return 0
+		return FALSE
 	C.smoke_delay++
 	addtimer(CALLBACK(src, .proc/remove_smoke_delay, C), 10)
-	return 1
+	return TRUE
 
 /obj/effect/particle_effect/smoke/proc/remove_smoke_delay(mob/living/carbon/C)
 	if(C)
@@ -131,7 +131,7 @@
 		M.drop_all_held_items()
 		M.adjustOxyLoss(1)
 		M.emote("cough")
-		return 1
+		return TRUE
 
 /obj/effect/particle_effect/smoke/bad/Crossed(atom/movable/AM, oldloc)
 	. = ..()
@@ -210,7 +210,7 @@
 	if(..())
 		M.Sleeping(200)
 		M.emote("cough")
-		return 1
+		return TRUE
 
 /datum/effect_system/smoke_spread/sleeping
 	effect_type = /obj/effect/particle_effect/smoke/sleeping
@@ -235,20 +235,20 @@
 			reagents.reaction(AM, TOUCH, fraction)
 
 		reagents.reaction(T, TOUCH, fraction)
-		return 1
+		return TRUE
 
 /obj/effect/particle_effect/smoke/chem/smoke_mob(mob/living/carbon/M)
 	if(lifetime<1)
-		return 0
+		return FALSE
 	if(!istype(M))
-		return 0
+		return FALSE
 	var/mob/living/carbon/C = M
 	if(C.internal != null || C.has_smoke_protection())
-		return 0
+		return FALSE
 	var/fraction = 1/initial(lifetime)
 	reagents.copy_to(C, fraction*reagents.total_volume)
 	reagents.reaction(M, INGEST, fraction)
-	return 1
+	return TRUE
 
 
 

code/game/objects/effects/effect_system/effects_water.dm

@@ -14,9 +14,9 @@
 /obj/effect/particle_effect/water/Move(turf/newloc)
 	if (--src.life < 1)
 		qdel(src)
-		return 0
+		return FALSE
 	if(newloc.density)
-		return 0
+		return FALSE
 	.=..()
 
 /obj/effect/particle_effect/water/Bump(atom/A)

code/game/objects/effects/effects.dm

@@ -22,7 +22,7 @@
 	return
 
 /obj/effect/attack_hulk(mob/living/carbon/human/user, does_attack_animation = 0)
-	return 0
+	return FALSE
 
 /obj/effect/experience_pressure_difference()
 	return
@@ -43,7 +43,7 @@
 
 /obj/effect/singularity_act()
 	qdel(src)
-	return 0
+	return FALSE
 
 /obj/effect/ConveyorMove()
 	return

code/game/objects/effects/glowshroom.dm

@@ -183,7 +183,7 @@
 		return newDir
 
 	floor = 1
-	return 1
+	return TRUE
 
 /**
   * Causes the glowshroom to decay by decreasing its endurance.

code/game/objects/effects/step_triggers.dm

@@ -8,7 +8,7 @@
 	anchored = TRUE
 
 /obj/effect/step_trigger/proc/Trigger(atom/movable/A)
-	return 0
+	return FALSE
 
 /obj/effect/step_trigger/Crossed(H as mob|obj)
 	..()