Implemented SDL IJoystickDriver2 and IGamePadDriver

This commit is contained in:
thefiddler 2013-12-24 19:15:23 +01:00
parent c51c4934df
commit b4b8bc1665

View file

@ -48,6 +48,7 @@ namespace OpenTK.Platform.SDL2
{
public IntPtr Handle { get; private set; }
public GamePadState State { get; set; }
public GamePadCapabilities Capabilities { get; set; }
public Sdl2GamePad(IntPtr handle)
{
@ -114,6 +115,53 @@ namespace OpenTK.Platform.SDL2
return controllers.ContainsKey(id);
}
GamePadAxes TranslateAxes(IntPtr gamecontroller)
{
GamePadAxes axes = 0;
axes |= IsAxisBind(gamecontroller, GameControllerAxis.LeftX) ? GamePadAxes.LeftX : 0;
axes |= IsAxisBind(gamecontroller, GameControllerAxis.LeftY) ? GamePadAxes.LeftY : 0;
axes |= IsAxisBind(gamecontroller, GameControllerAxis.RightX) ? GamePadAxes.RightX : 0;
axes |= IsAxisBind(gamecontroller, GameControllerAxis.RightY) ? GamePadAxes.RightY : 0;
axes |= IsAxisBind(gamecontroller, GameControllerAxis.TriggerLeft) ? GamePadAxes.LeftTrigger : 0;
axes |= IsAxisBind(gamecontroller, GameControllerAxis.TriggerRight) ? GamePadAxes.RightTrigger : 0;
return axes;
}
Buttons TranslateButtons(IntPtr gamecontroller)
{
Buttons buttons = 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.A) ? Buttons.A : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.B) ? Buttons.B : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.X) ? Buttons.X : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.Y) ? Buttons.Y : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.START) ? Buttons.Start : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.BACK) ? Buttons.Back : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.LEFTSHOULDER) ? Buttons.LeftShoulder : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.RIGHTSHOULDER) ? Buttons.RightShoulder : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.LEFTSTICK) ? Buttons.LeftStick : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.RIGHTSTICK) ? Buttons.RightStick : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.GUIDE) ? Buttons.BigButton : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.DPAD_DOWN) ? Buttons.DPadDown : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.DPAD_UP) ? Buttons.DPadUp : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.DPAD_LEFT) ? Buttons.DPadLeft : 0;
buttons |= IsButtonBind(gamecontroller, GameControllerButton.DPAD_RIGHT) ? Buttons.DPadRight : 0;
return buttons;
}
bool IsAxisBind(IntPtr gamecontroller, GameControllerAxis axis)
{
GameControllerButtonBind bind =
SDL.GameControllerGetBindForAxis(gamecontroller, axis);
return bind.BindType == GameControllerBindType.Axis;
}
bool IsButtonBind(IntPtr gamecontroller, GameControllerButton button)
{
GameControllerButtonBind bind =
SDL.GameControllerGetBindForButton(gamecontroller, button);
return bind.BindType == GameControllerBindType.Axis;
}
#endregion
#region Public Members
@ -232,11 +280,27 @@ namespace OpenTK.Platform.SDL2
if (handle != IntPtr.Zero)
{
Sdl2GamePad pad = new Sdl2GamePad(handle);
pad.State.SetConnected(true);
// Check whether the device has ever been connected before
if (!controllers.ContainsKey(id))
controllers.Add(id, null);
controllers[id] = pad;
IntPtr joystick = SDL.GameControllerGetJoystick(handle);
if (joystick != IntPtr.Zero)
{
SDL.JoystickNumAxes(joystick);
pad.Capabilities = new GamePadCapabilities(
GamePadType.GamePad,
TranslateAxes(joystick),
TranslateButtons(joystick),
true);
pad.State.SetConnected(true);
// Check whether the device has ever been connected before
if (!controllers.ContainsKey(id))
controllers.Add(id, null);
controllers[id] = pad;
}
else
{
Debug.Print("[SDL2] Failed to retrieve joystick from game controller. Error: {0}", SDL.GetError());
}
}
break;
@ -302,16 +366,19 @@ namespace OpenTK.Platform.SDL2
public GamePadCapabilities GetCapabilities(int index)
{
if (IsControllerValid(index))
{
return controllers[index].Capabilities;
}
return new GamePadCapabilities();
}
public GamePadState GetState(int index)
{
if (joysticks.Count >= index)
if (IsControllerValid(index))
{
return controllers[index].State;
}
return new GamePadState();
}
@ -326,12 +393,41 @@ namespace OpenTK.Platform.SDL2
JoystickState IJoystickDriver2.GetState(int index)
{
throw new NotImplementedException();
JoystickState state = new JoystickState();
if (IsJoystickValid(index))
{
JoystickDevice<Sdl2JoystickDetails> joystick =
(JoystickDevice<Sdl2JoystickDetails>)joysticks[sdl_joyid_to_joysticks[index]];
for (int i = 0; i < joystick.Axis.Count; i++)
{
state.SetAxis(JoystickAxis.Axis0 + i, (short)(joystick.Axis[i] * short.MaxValue + 0.5f));
}
for (int i = 0; i < joystick.Button.Count; i++)
{
state.SetButton(JoystickButton.Button0 + i, joystick.Button[i]);
}
state.SetIsConnected(true);
}
return state;
}
JoystickCapabilities IJoystickDriver2.GetCapabilities(int index)
{
throw new NotImplementedException();
if (IsJoystickValid(index))
{
JoystickDevice<Sdl2JoystickDetails> joystick =
(JoystickDevice<Sdl2JoystickDetails>)joysticks[sdl_joyid_to_joysticks[index]];
return new JoystickCapabilities(
joystick.Axis.Count,
joystick.Button.Count,
true);
}
return new JoystickCapabilities();
}
#endregion