Trigger input won't work properly if multiple controllers are plugged in a Windows web build

[JISyed]

When using XCI on a Windows web build, getting trigger input with multiple controllers plugged in will not work properly. What might happen is that trigger input will go though only if all triggers on all controllers are pressed down, but your mileage may vary.

The reason this is a limitation and not a bug is because of the way Microsoft implemented DirectInput. It severely limits trigger input on Windows.

XInput is usually seen as the solution to this problem, except it won't work for web builds. XInput is already implemented for native builds because native builds support plugins while web players don't.

The good news is that having one controller plugged in doesn't seem to have any issues with any input, including triggers.

[JISyed]

Unity dropped support for the Web Player, so XboxCtrlrInput will follow suit.