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[SDL2] Implemented support for hat state

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This commit is contained in:
thefiddler 2014-01-31 15:03:51 +01:00
parent 801d6ead04
commit 168c45f0e2
1 changed files with 44 additions and 1 deletions
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45
Source/OpenTK/Platform/SDL2/Sdl2JoystickDriver.cs
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@ -46,6 +46,8 @@ namespace OpenTK.Platform.SDL2
public int HatCount { get; set; }
public int BallCount { get; set; }
public bool IsConnected { get; set; }
public readonly JoystickHatState[] Hat =
new JoystickHatState[JoystickState.MaxHats];
}
// For IJoystickDriver2 implementation
@ -127,6 +129,35 @@ namespace OpenTK.Platform.SDL2
return sdl_instanceid_to_joysticks.ContainsKey(instance_id);
}
OpenTK.Input.HatPosition TranslateHat(HatPosition value)
{
if ((value & HatPosition.LeftUp) == value)
return OpenTK.Input.HatPosition.UpLeft;
if ((value & HatPosition.RightUp) == value)
return OpenTK.Input.HatPosition.UpRight;
if ((value & HatPosition.LeftDown) == value)
return OpenTK.Input.HatPosition.DownLeft;
if ((value & HatPosition.RightDown) == value)
return OpenTK.Input.HatPosition.DownRight;
if ((value & HatPosition.Up) == value)
return OpenTK.Input.HatPosition.Up;
if ((value & HatPosition.Right) == value)
return OpenTK.Input.HatPosition.Right;
if ((value & HatPosition.Down) == value)
return OpenTK.Input.HatPosition.Down;
if ((value & HatPosition.Left) == value)
return OpenTK.Input.HatPosition.Left;
return OpenTK.Input.HatPosition.Centered;
}
#if USE_SDL2_GAMECONTROLLER
bool IsControllerValid(int id)
{
@ -386,7 +417,14 @@ namespace OpenTK.Platform.SDL2
{
int index = sdl_instanceid_to_joysticks[id];
JoystickDevice<Sdl2JoystickDetails> joystick = (JoystickDevice<Sdl2JoystickDetails>)joysticks[index];
// Todo: map hat to an extra axis
if (ev.Hat >= 0 && ev.Hat < JoystickState.MaxHats)
{
joystick.Details.Hat[ev.Hat] = new JoystickHatState(TranslateHat(ev.Value));
}
else
{
Debug.Print("[SDL2] Hat {0} out of range [0, {1}]", ev.Hat, JoystickState.MaxHats);
}
joystick.Details.PacketNumber = Math.Max(0, unchecked(joystick.Details.PacketNumber + 1));
}
else
@ -596,6 +634,11 @@ namespace OpenTK.Platform.SDL2
state.SetButton(JoystickButton.Button0 + i, joystick.Button[i]);
}
for (int i = 0; i < joystick.Details.HatCount; i++)
{
state.SetHat(JoystickHat.Hat0 + i, joystick.Details.Hat[i]);
}
state.SetIsConnected(joystick.Details.IsConnected);
state.SetPacketNumber(joystick.Details.PacketNumber);
}