stop this nonsense

code/modules/procedural_mapping/mapGenerator.dm

@@ -37,7 +37,7 @@
 //Returns the map
 /datum/mapGenerator/proc/defineRegion(turf/Start, turf/End, replace = 0)
 	if(!checkRegion(Start, End))
-		return 0
+		return FALSE
 
 	if(replace)
 		undefineRegion()
@@ -49,7 +49,7 @@
 //Returns the map
 /datum/mapGenerator/proc/defineCircularRegion(turf/Start, turf/End, replace = 0)
 	if(!checkRegion(Start, End))
-		return 0
+		return FALSE
 
 	var/centerX = max(abs((End.x+Start.x)/2),1)
 	var/centerY = max(abs((End.y+Start.y)/2),1)
@@ -92,7 +92,7 @@
 	. = 1
 
 	if(!Start || !End)
-		return 0 //Just bail
+		return FALSE //Just bail
 
 	if(Start.x > world.maxx || End.x > world.maxx)
 		. = 0

code/modules/procedural_mapping/mapGeneratorModule.dm

@@ -28,7 +28,7 @@
 //Place a spawnable atom or turf on this turf
 /datum/mapGeneratorModule/proc/place(turf/T)
 	if(!T)
-		return 0
+		return FALSE
 
 	var/clustering = 0
 	var/skipLoopIteration = FALSE
@@ -107,7 +107,7 @@
 /datum/mapGeneratorModule/proc/checkPlaceAtom(turf/T)
 	. = 1
 	if(!T)
-		return 0
+		return FALSE
 	if(T.density)
 		. = 0
 	for(var/atom/A in T)

code/modules/procedural_mapping/mapGeneratorModules/helpers.dm

@@ -61,8 +61,8 @@
 	for(var/direction in list(SOUTH,EAST,WEST,NORTH))
 		if (get_step(T,direction) in mother.map)
 			continue
-		return 1
-	return 0
+		return TRUE
+	return FALSE
 
 /datum/mapGenerator/repressurize
 	modules = list(/datum/mapGeneratorModule/bottomLayer/repressurize)

code/modules/procedural_mapping/mapGenerators/cellular.dm

@@ -78,10 +78,10 @@
 	value -= old_state[i][j]
 
 	if(value in b_rule)
-		return 1
+		return TRUE
 	if(value in s_rule)
 		return old_state[i][j]
-	return 0
+	return FALSE
 
 /datum/mapGenerator/ca/caves
 	b_rule = list(5,6,7,8)