At a glance it looks like it should work OK.
--
Lynn Harrison
SHAMELESS PLUG - Introduction to 3D Game Engine Design (C# & DX9)
www.forums.Apress.com
"Bleedledeep" <bleedledeep@yahoo.com> wrote in message
news:a1b49172.0402020707.a95ec87@posting.google.co m...[color=blue]
> I am new to C#/.NET/DirectX, and could not find a simple example of
> how to read the X/Y location of the joystick.
>
> < YIKES!!! The DirectX.DirectInput is one serious pile of API! >
>
> After some futzing around, I came up with the following - which seems
> to work just fine. I'm looking for a sanity check here, is this a
> good way to access the joystick? Yeah, yeah, I only look for the
> first joystick, and there is some hardcoded silliness in there...
> Production code this is not!
>
> Implementation of JoystickListener and JoystickEvent are left as
> exercises for the reader...
>
>
> using System;
> using System.Collections;
> using System.Threading;
>
> using Microsoft.DirectX;
> using Microsoft.DirectX.DirectInput;
>
> namespace JoystickLibrary
> {
> /// <summary>
> /// Summary description for JoystickManager.
> /// </summary>
> public class JoystickManager
> {
>
> private AutoResetEvent JOYSTICK_EVENT = new AutoResetEvent(
> true );
> private WaitHandle[] WAIT_FOR = new WaitHandle[1];
>
> private Device joystick;
> private ArrayList listeners = new ArrayList();
>
> /*
> *
> */
> public JoystickManager()
> {
>
> WAIT_FOR[0] = JOYSTICK_EVENT;
>
> DeviceList dl = Manager.GetDevices( DeviceType.Joystick,
> EnumDevicesFlags.AttachedOnly );
> while ( dl.MoveNext() )
> {
> DeviceInstance di = (DeviceInstance)dl.Current;
> if ( di.DeviceType == DeviceType.Joystick )
> {
> InitializeJoystick( di );
> break;
> }
> }
> }
>
> private void InitializeJoystick( DeviceInstance
> pDeviceInstance )
> {
> joystick = new Device( pDeviceInstance.ProductGuid );
>
> Thread t = new Thread( new ThreadStart(DoWork) );
> t.Start();
>
> joystick.SetEventNotification( JOYSTICK_EVENT );
>
> joystick.Acquire();
> }
>
> private void DoWork()
> {
> JoystickEvent je = null;
>
> while( true )
> {
> WaitHandle.WaitAll( WAIT_FOR );
>
> JoystickState jss = joystick.CurrentJoystickState;
>
> JoystickSpeed u = JoystickSpeed.STOPPED;
> JoystickSpeed d = JoystickSpeed.STOPPED;
> JoystickSpeed l = JoystickSpeed.STOPPED;
> JoystickSpeed r = JoystickSpeed.STOPPED;
>
> if ( jss.Y < 10000 )
> {
> u = JoystickSpeed.FAST;
> }
> else if ( jss.Y < 20000 )
> {
> u = JoystickSpeed.MEDIUM;
> }
> else if ( jss.Y < 30000 )
> {
> u = JoystickSpeed.SLOW;
> }
> else if ( jss.Y > 55535 )
> {
> d = JoystickSpeed.FAST;
> }
> else if ( jss.Y > 45535 )
> {
> d = JoystickSpeed.MEDIUM;
> }
> else if ( jss.Y > 35535 )
> {
> d = JoystickSpeed.SLOW;
> }
>
> if ( jss.X < 10000 )
> {
> l = JoystickSpeed.FAST;
> }
> else if ( jss.X < 20000 )
> {
> l = JoystickSpeed.MEDIUM;
> }
> else if ( jss.X < 30000 )
> {
> l = JoystickSpeed.SLOW;
> }
> else if ( jss.X > 55535 )
> {
> r = JoystickSpeed.FAST;
> }
> else if ( jss.X > 45535 )
> {
> r = JoystickSpeed.MEDIUM;
> }
> else if ( jss.X > 35535 )
> {
> r = JoystickSpeed.SLOW;
> }
>
> if ( je == null || je.UpSpeed != u || je.DownSpeed !=
> d || je.LeftSpeed != l || je.RightSpeed != r )
> {
> je = new JoystickEvent( u, d, l, r );
>
> for ( int i = 0; i < listeners.Count; i++ )
> {
>
> ((JoystickListener)listeners[i]).JoystickMoved( je );
> }
> }
> }
> }
>
> /*
> *
> */
> public void AddListener( JoystickListener pListener )
> {
> if ( listeners.Contains(pListener) )
> {
> throw new ArgumentException( "Listener already
> registered." );
> }
> else
> {
> listeners.Add( pListener );
> }
> }
>
> /*
> *
> */
> public void RemoveListener( JoystickListener pListener )
> {
> if ( listeners.Contains(pListener) )
> {
> listeners.Remove( pListener );
> }
> else
> {
> throw new ArgumentException( "Listener is not
> registered." );
> }
> }
> }
> }[/color]
