Import from http://drts.cvs.sourceforge.net/viewvc/drts/projects/jxinput/ tarball

java/de/hardcode/jxinput/directinput/DIDirectional.java

@@ -0,0 +1,78 @@
+//**********************************************************************************************
+//		(C) Copyright 2002 by Dipl. Phys. Joerg Plewe, HARDCODE Development
+//		All rights reserved. Copying, modification,
+//		distribution or publication without the prior written
+//		consent of the author is prohibited.
+//
+//	Created on 27. Dezember 2001, 23:40
+//**********************************************************************************************
+package de.hardcode.jxinput.directinput;
+
+import de.hardcode.jxinput.Directional;
+
+/**
+ *
+ * @author  Herkules
+ */
+class DIDirectional implements Directional
+{
+    private final int mDeviceIdx;    
+	private final int mIdx;
+	
+	/** 
+	 * Creates a new instance of DIDirectional.
+	 */
+	DIDirectional( int devidx, int idx )	
+	{
+        mDeviceIdx = devidx;
+		mIdx = idx;
+	}
+	
+	/** Features may have a name provided e.g. by the driver.  */
+	public String getName()
+	{
+		return DirectInputDriver.getDirectionalName( mDeviceIdx, mIdx );
+	}
+	
+	/**
+	 * Denote wether this feature has changed beyond it's resolution since it got last
+	 * updated.
+	 */
+	public boolean hasChanged()
+	{
+		return true;
+	}
+
+	
+	public boolean isCentered()
+	{
+		return ( 0xffff == (DirectInputDriver.getDirection( mDeviceIdx, mIdx ) & 0xffff) ); 
+	}
+	
+	public int getDirection()
+	{
+		return isCentered() ? 0 : DirectInputDriver.getDirection( mDeviceIdx, mIdx );
+	}
+
+	public double getValue()
+	{
+		if ( isCentered() )
+			return 0.0;
+		return 1.0;
+	}
+
+	/** 
+	 * Inform about the resolution of the value returned by <code>getValue()</code>.
+	 *
+	 * @return resolution, e.g. 1.0 for coolie hats
+	 */
+	public double getResolution()
+	{
+		// DI POV always return 0.0 or 1.0, so the resolution is 1.0.
+		return 1.0;
+	}
+	
+	
+}
+
+