Fix wrap around bug in XInput.

Fixes #209. 
Negating short.MinValue would cause a wrap around back to short.MinValue. 
This resulted in joystick inputs like 0.8, 0.9, -1.00031.
This commit is contained in:
Fraser Waters 2015-01-09 12:50:50 +00:00
parent a43181a802
commit 2de9c0b907

View file

@ -59,10 +59,10 @@ namespace OpenTK.Platform.Windows
state.SetIsConnected(true);
state.SetAxis(JoystickAxis.Axis0, (short)xstate.GamePad.ThumbLX);
state.SetAxis(JoystickAxis.Axis1, (short)(-xstate.GamePad.ThumbLY));
state.SetAxis(JoystickAxis.Axis1, (short)Math.Min(short.MaxValue, -xstate.GamePad.ThumbLY));
state.SetAxis(JoystickAxis.Axis2, (short)Common.HidHelper.ScaleValue(xstate.GamePad.LeftTrigger, 0, byte.MaxValue, short.MinValue, short.MaxValue));
state.SetAxis(JoystickAxis.Axis3, (short)xstate.GamePad.ThumbRX);
state.SetAxis(JoystickAxis.Axis4, (short)(-xstate.GamePad.ThumbRY));
state.SetAxis(JoystickAxis.Axis4, (short)Math.Min(short.MaxValue, -xstate.GamePad.ThumbRY));
state.SetAxis(JoystickAxis.Axis5, (short)Common.HidHelper.ScaleValue(xstate.GamePad.RightTrigger, 0, byte.MaxValue, short.MinValue, short.MaxValue));
state.SetButton(JoystickButton.Button0, (xstate.GamePad.Buttons & XInputButtons.A) != 0);