Added randIntExclude

izzcomlib/IzzComLib.hx

@@ -3,12 +3,12 @@ using StringTools;
 
 class IzzComLib {
 	/**
-	 * Return a random integer between x and y, both inclusive.
+	 * Returns a random integer between x and y, both inclusive.
 	 * Correctly handles whether parameters are given low-to-high or high-to-low.
 	 * If parameters are equal, returns x.
 	 *
-	 * @param   X               The lower value.
-	 * @param   Y               The upper value.
+	 * @param	x				The lower value.
+	 * @param	y				The upper value.
 	 */
 	public static function randInt(x, y) {
 		if (x < y) {
@@ -20,6 +20,31 @@ class IzzComLib {
 		}
 	}
 
+	/**
+	 * Returns a random integer between x and y, both inclusive.
+	 * Will not return a result that matches a value in the `exclude` array.
+	 *
+	 * ⚠️ Does not protect against excluding all possible results! The function will loop endlessly! ⚠️
+	 *
+	 * @param	x				The lower value.
+	 * @param	y				The upper value.
+	 * @param	exclude			Array of values that shouldn't be chosen.
+	 */
+	public static function randIntExclude(x, y, exclude:Array<Int>) {
+		if (x == y) {
+			return x; // Very minimal mistake protection
+		} else {
+			var result:Int = 0;
+
+			while (true) {
+				result = randInt(x, y);
+				if (!exclude.contains(result)) {break;}
+			}
+
+			return result;
+		}
+	}
+
 	/**
 	 * Returns the current time in 24hr notation, with left-padding (HH:MM).
 	 */