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Joystick hat: treat invalid combinations as nothing pressed

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Previously this condition asserted, but on win32 it's possible to get
opposing directions set simultaneously with some xinput controllers.
This commit is contained in:
Peter Johnson 2023-03-07 23:03:06 -08:00
parent 9a87635686
commit 008fab88bb
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1 changed files with 3 additions and 1 deletions
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src/input.c
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@ -464,8 +464,10 @@ void _glfwInputJoystickHat(_GLFWjoystick* js, int hat, char value)
// Valid hat values only use the least significant nibble and have at most two bits
// set, which can be considered adjacent plus an arbitrary rotation within the nibble
// Treat invalid combinations as nothing pressed
assert((value & 0xf0) == 0);
assert((value & ((value << 2) | (value >> 2))) == 0);
if ((value & ((value << 2) | (value >> 2))) != 0)
value = 0;
base = js->buttonCount + hat * 4;