Support the new Rotation values.

By: Fabian Faßbender <fabian.fassbender42@googlemail.com>

paper-api/src/main/java/org/bukkit/Rotation.java

@@ -11,18 +11,34 @@ public enum Rotation {
      * No rotation
      */
     NONE,
+    /**
+     * Rotated clockwise by 45 degrees
+     */
+    CLOCKWISE_45,
     /**
      * Rotated clockwise by 90 degrees
      */
     CLOCKWISE,
+    /**
+     * Rotated clockwise by 135 degrees
+     */
+    CLOCKWISE_135,
     /**
      * Flipped upside-down, a 180 degree rotation
      */
     FLIPPED,
+    /**
+     * Flipped upside-down + 45 degree rotation
+     */
+    FLIPPED_45,
     /**
      * Rotated counter-clockwise by 90 degrees
      */
     COUNTER_CLOCKWISE,
+    /**
+     * Rotated counter-clockwise by 45 degrees
+     */
+    COUNTER_CLOCKWISE_45
     ;
 
     private static final Rotation [] rotations = values();
@@ -33,7 +49,7 @@ public enum Rotation {
      * @return the relative rotation
      */
     public Rotation rotateClockwise() {
-        return rotations[(this.ordinal() + 1) & 0x3];
+        return rotations[(this.ordinal() + 1) & 0x7];
     }
 
     /**
@@ -42,6 +58,6 @@ public enum Rotation {
      * @return the relative rotation
      */
     public Rotation rotateCounterClockwise() {
-        return rotations[(this.ordinal() - 1) & 0x3];
+        return rotations[(this.ordinal() - 1) & 0x7];
     }
 }