Added extra rotations for 1.8

src/main/java/org/bukkit/Rotation.java

@@ -4,27 +4,40 @@
  * An enum to specify a rotation based orientation, like that on a clock.
  * <p>
  * It represents how something is viewed, as opposed to cardinal directions.
+ *
+ * @deprecated This does not handle the various degrees of rotation available
  */
+@Deprecated
 public enum Rotation {
 
     /**
      * No rotation
      */
-    NONE,
+    NONE(0),
     /**
      * Rotated clockwise by 90 degrees
      */
-    CLOCKWISE,
+    CLOCKWISE(90),
     /**
      * Flipped upside-down, a 180 degree rotation
      */
-    FLIPPED,
+    FLIPPED(180),
     /**
      * Rotated counter-clockwise by 90 degrees
      */
-    COUNTER_CLOCKWISE,
+    COUNTER_CLOCKWISE(270),
     ;
 
+    private double rotation;
+
+    private Rotation(double rotation) {
+        this.rotation = rotation;
+    }
+
+    public double getRotation() {
+        return rotation;
+    }
+
     private static final Rotation [] rotations = values();
 
     /**

src/main/java/org/bukkit/entity/ItemFrame.java

@@ -25,15 +25,35 @@ public interface ItemFrame extends Hanging {
     /**
      * Get the rotation of the frame's item
      *
+     * @deprecated This does not handle the various degrees of rotation available.
      * @return the direction
      */
+    @Deprecated
     public Rotation getRotation();
 
+    /**
+     * Get the rotation of the frame's item
+     *
+     * @return the rotation, in degrees
+     */
+    public double getRotationAngle();
+
     /**
      * Set the rotation of the frame's item
      *
      * @param rotation the new rotation
+     * @deprecated This does not handle the various degrees of rotation available.
      * @throws IllegalArgumentException if rotation is null
      */
+    @Deprecated
     public void setRotation(Rotation rotation) throws IllegalArgumentException;
+
+    /**
+     * Set the rotation of the frame's item, in degrees
+     *
+     * Values will be rounded to the closest 45-degree interval
+     *
+     * @param rotation the new rotation (0 degrees is north)
+     */
+    public void setRotationAngle(double rotation);
 }