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Fix some edge cases in XInput haptic timing.

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This commit is contained in:
Ryan C. Gordon 2013-10-20 23:38:19 -04:00
parent dddb878761
commit d710399671
1 changed files with 5 additions and 0 deletions
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5
src/haptic/windows/SDL_syshaptic.c
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@ -1326,8 +1326,13 @@ SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect *effect,
SDL_LockMutex(haptic->hwdata->mutex); SDL_LockMutex(haptic->hwdata->mutex);
if(effect->effect.leftright.length == SDL_HAPTIC_INFINITY || iterations == SDL_HAPTIC_INFINITY) { if(effect->effect.leftright.length == SDL_HAPTIC_INFINITY || iterations == SDL_HAPTIC_INFINITY) {
haptic->hwdata->stopTicks = SDL_HAPTIC_INFINITY; haptic->hwdata->stopTicks = SDL_HAPTIC_INFINITY;
} else if ((!effect->effect.leftright.length) || (!iterations)) {
/* do nothing. Effect runs for zero milliseconds. */
} else { } else {
haptic->hwdata->stopTicks = SDL_GetTicks() + (effect->effect.leftright.length * iterations); haptic->hwdata->stopTicks = SDL_GetTicks() + (effect->effect.leftright.length * iterations);
if ((haptic->hwdata->stopTicks == SDL_HAPTIC_INFINITY) || (haptic->hwdata->stopTicks == 0)) {
haptic->hwdata->stopTicks = 1; /* fix edge cases. */
}
} }
SDL_UnlockMutex(haptic->hwdata->mutex); SDL_UnlockMutex(haptic->hwdata->mutex);
return (XINPUTSETSTATE(haptic->hwdata->userid, vib) == ERROR_SUCCESS) ? 0 : -1; return (XINPUTSETSTATE(haptic->hwdata->userid, vib) == ERROR_SUCCESS) ? 0 : -1;