Merge pull request #3162 from Citadel-Station-13/upstream-merge-30989

[MIRROR] Makes angle2dir() much more accurate

code/__HELPERS/type2type.dm

@@ -125,22 +125,25 @@
 /proc/angle2dir(degree)
 
 	degree = SimplifyDegrees(degree)
-
+	switch(degree)
-	if(degree < 45)
+		if(0 to 22.5) //north requires two angle ranges
-		return NORTH
+			return NORTH
-	if(degree < 90)
+		if(22.5 to 67.5) //each range covers 45 degrees
-		return NORTHEAST
+			return NORTHEAST
-	if(degree < 135)
+		if(67.5 to 112.5)
-		return EAST
+			return EAST
-	if(degree < 180)
+		if(112.5 to 157.5)
-		return SOUTHEAST
+			return SOUTHEAST
-	if(degree < 225)
+		if(157.5 to 202.5)
-		return SOUTH
+			return SOUTH
-	if(degree < 270)
+		if(202.5 to 247.5)
-		return SOUTHWEST
+			return SOUTHWEST
-	if(degree < 315)
+		if(247.5 to 292.5)
-		return WEST
+			return WEST
-	return NORTH|WEST
+		if(292.5 to 337.5)
+			return NORTHWEST
+		if(337.5 to 360)
+			return NORTH
 
 //returns the north-zero clockwise angle in degrees, given a direction