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internal/gamepad: fix uint16 underflow handling in gamepads. (#2030)

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Fixes crash where Ebiten considers a keyboard a gamepad with way too many buttons.

Updates #2027
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divVerent 2022-03-26 02:41:59 -04:00 committed by GitHub
parent dcccd27629
commit 1de1bfef55
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1 changed files with 1 additions and 1 deletions
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internal/gamepad/gamepad_linux.go
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@ -328,7 +328,7 @@ func (g *nativeGamepad) update(gamepad *gamepads) error {
switch e.typ { switch e.typ {
case unix.EV_KEY: case unix.EV_KEY:
if int(e.code)-_BTN_MISC < len(g.keyMap) { if int(e.code-_BTN_MISC) < len(g.keyMap) {
idx := g.keyMap[e.code-_BTN_MISC] idx := g.keyMap[e.code-_BTN_MISC]
g.buttons[idx] = e.value != 0 g.buttons[idx] = e.value != 0
} }