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Merge pull request #481 from leezer3/NegativeAxis

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Fix: Joysticks with an axis range below zero were inverted
This commit is contained in:
varon 2017-02-09 11:31:11 +02:00 committed by GitHub
commit 519d13ccde
1 changed files with 20 additions and 7 deletions
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13
src/OpenTK/Platform/Windows/WinRawJoystick.cs
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@ -404,6 +404,8 @@ namespace OpenTK.Platform.Windows
stick.SetHat(collection, page, usage, GetHatPosition(value, stick.AxisCaps[i]));
}
else
{
if (stick.AxisCaps[i].LogicalMin > 0)
{
short scaled_value = (short) HidHelper.ScaleValue(
(int) ((long) value + stick.AxisCaps[i].LogicalMin),
@ -411,6 +413,17 @@ namespace OpenTK.Platform.Windows
Int16.MinValue, Int16.MaxValue);
stick.SetAxis(collection, page, usage, scaled_value);
}
else
{
//If our stick returns a minimum value below zero, we should not add this to our value
//before attempting to scale it, as this then inverts the value
short scaled_value = (short)HidHelper.ScaleValue(
(int)(long)value,
stick.AxisCaps[i].LogicalMin, stick.AxisCaps[i].LogicalMax,
Int16.MinValue, Int16.MaxValue);
stick.SetAxis(collection, page, usage, scaled_value);
}
}
}
}