added sources for Slick

Former-commit-id: 1647fa32ef6894bd7db44f741f07c2f4dcdf9054
Former-commit-id: 0e5810dcfbe1fd59b13e7cabe9f1e93c5542da2d

lib/slick-source/org/newdawn/slick/command/ControllerDirectionControl.java

@@ -0,0 +1,47 @@
+package org.newdawn.slick.command;
+
+/**
+ * A control indicating that a particular direction must be pressed or released
+ * on a controller to cause the command to fire
+ *
+ * @author kevin
+ */
+public class ControllerDirectionControl extends ControllerControl {
+	/** The direction indicating we're waiting for the user to press left */
+	public static final Direction LEFT = new Direction(LEFT_EVENT);
+	/** The direction indicating we're waiting for the user to press up */
+	public static final Direction UP = new Direction(UP_EVENT);
+	/** The direction indicating we're waiting for the user to press down */
+	public static final Direction DOWN = new Direction(DOWN_EVENT);
+	/** The direction indicating we're waiting for the user to press right */
+	public static final Direction RIGHT = new Direction(RIGHT_EVENT);
+	
+	/**
+	 * Create a new input that indicates a direcitonal control must be pressed
+	 * 
+	 * @param controllerIndex The index of the controller to listen to
+	 * @param dir The direction to wait for 
+	 */
+	public ControllerDirectionControl(int controllerIndex, Direction dir) {
+		super(controllerIndex, dir.event, 0);
+	}
+	
+	/**
+	 * Enum pretender
+	 * 
+	 * @author kevin
+	 */
+	private static class Direction {
+		/** The event to be fired for this direction */
+		private int event;
+		
+		/**
+		 * Create a new direction indicator/enum value
+		 * 
+		 * @param event The event to fire when this direction is used
+		 */
+		public Direction(int event) {
+			this.event = event;
+		}
+	}
+}