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Fix: Joystick hats sticking in last position on Linux

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This commit is contained in:
Christopher Lees 2017-02-11 18:49:29 +00:00
parent ae9c076748
commit 87f50e17bb
1 changed files with 13 additions and 10 deletions
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23
src/OpenTK/Platform/Linux/LinuxJoystick.cs
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@ -54,6 +54,14 @@ namespace OpenTK.Platform.Linux
new Dictionary<EvdevAxis, AxisInfo>();
public readonly Dictionary<EvdevButton, int> ButtonMap =
new Dictionary<EvdevButton, int>();
internal int[,] hatStates =
{
{0, 0},
{0, 0},
{0, 0},
{0, 0}
};
}
sealed class LinuxJoystick : IJoystickDriver2
@ -398,27 +406,22 @@ namespace OpenTK.Platform.Linux
// We currently treat analogue hats as digital hats
// to maintain compatibility with SDL2. We can do
// better than this, however.
JoystickHat hat = JoystickHat.Hat0 + (e->Code - (int)EvdevAxis.HAT0X) / 2;
JoystickHatState pos = js.State.GetHat(hat);
int hat = (e->Code - (int)EvdevAxis.HAT0X) / 2;
int xy_axis = (int)axis.Axis & 0x1;
int value = e->Value.CompareTo(0) + 1;
switch (xy_axis)
{
case 0:
// X-axis
pos = TranslateHat(
e->Value.CompareTo(0) + 1,
pos.IsUp ? 0 : pos.IsDown ? 2 : 1);
js.hatStates[hat, 1] = value;
break;
case 1:
// Y-axis
pos = TranslateHat(
pos.IsLeft ? 0 : pos.IsRight ? 2 : 1,
e->Value.CompareTo(0) + 1);
js.hatStates[hat, 0] = value;
break;
}
js.State.SetHat(hat, pos);
js.State.SetHat((JoystickHat)hat, TranslateHat(js.hatStates[hat, 0], js.hatStates[hat, 1]));
}
else
{