[Bug 42137] New: DirectInput needs to join both Xbox shoulder triggers into a single axis (aka half-axis problem)
wine-bugs at winehq.org
wine-bugs at winehq.org
Mon Jan 2 18:26:44 CST 2017
https://bugs.winehq.org/show_bug.cgi?id=42137
Bug ID: 42137
Summary: DirectInput needs to join both Xbox shoulder triggers
into a single axis (aka half-axis problem)
Product: Wine
Version: 1.6.1
Hardware: x86
OS: Linux
Status: NEW
Keywords: hardware
Severity: normal
Priority: P2
Component: directx-dinput
Assignee: wine-bugs at winehq.org
Reporter: 00cpxxx at gmail.com
CC: aric at codeweavers.com
Distribution: ---
When MS introduced the Xbox controller into dinput it had the idea of joining
both Xbox controller shoulder triggers into a single axis. So the left trigger
ranges to the negative side while the right trigger to the positive side of the
same axis.
Wine currently exposes the triggers are separate axes Z and rZ, this affects
some games negatively because the not-pressed default values for the triggers
is the lowest possible, for example if the axis ranges from -100 to +100 Wine
exposes -100 to the application. The effect is that the application thinks the
axis is always pressed and weird things happen, eg auto selecting Z/rZ as every
button when configuring a joystick or wrongly selecting Z/rZ as rX/rY making
FPS players always look up or down.
I don't know if this happens only for Xbox controllers but I believe so. I'll
have the chance to test with a real PS3 controller soon.
If that is MS only, we need to find a way to distinguish the joysticks
(VID/PID?) and merge the axes to mimic MS behavior.
At the same time and in opposite direction the XInput API does not employ this
hack, since XInput was made for Xbox only controllers it will properly report
the values for the axes separately.
--
Do not reply to this email, post in Bugzilla using the
above URL to reply.
You are receiving this mail because:
You are watching all bug changes.
More information about the wine-bugs
mailing list