static HRESULT get_ff(IOHIDDeviceRef device, FFDeviceObjectReference *ret)
{
io_service_t service;
CFMutableDictionaryRef matching;
CFTypeRef type;
matching = IOServiceMatching(kIOHIDDeviceKey);
if(!matching) {
WARN("IOServiceMatching failed, force feedback disabled\n");
return DIERR_DEVICENOTREG;
}
type = IOHIDDeviceGetProperty(device, CFSTR(kIOHIDLocationIDKey));
if(!matching) {
CFRelease(matching);
WARN("IOHIDDeviceGetProperty failed, force feedback disabled\n");
return DIERR_DEVICENOTREG;
}
CFDictionaryAddValue(matching, CFSTR(kIOHIDLocationIDKey), type);
service = IOServiceGetMatchingService(kIOMasterPortDefault, matching);
if(!ret)
return FFIsForceFeedback(service) == FF_OK ? S_OK : S_FALSE;
return osx_to_win32_hresult(FFCreateDevice(service, ret));
}
bool joypad::config_force_feedback(io_service_t p_service) {
HRESULT ret = FFCreateDevice(p_service, &ff_device);
ERR_FAIL_COND_V(ret != FF_OK, false);
ret = FFDeviceSendForceFeedbackCommand(ff_device, FFSFFC_RESET);
FF_ERR();
ret = FFDeviceSendForceFeedbackCommand(ff_device, FFSFFC_SETACTUATORSON);
FF_ERR();
if (check_ff_features()) {
ret = FFDeviceCreateEffect(ff_device, kFFEffectType_ConstantForce_ID, &ff_effect, &ff_object);
FF_ERR();
return true;
}
FFReleaseDevice(ff_device);
return false;
}
/*
* Opens the haptic device from the file descriptor.
*/
static int
SDL_SYS_HapticOpenFromService(SDL_Haptic * haptic, io_service_t service)
{
HRESULT ret;
int ret2;
/* Allocate the hwdata */
haptic->hwdata = (struct haptic_hwdata *)
SDL_malloc(sizeof(*haptic->hwdata));
if (haptic->hwdata == NULL) {
SDL_OutOfMemory();
goto creat_err;
}
SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
/* Open the device */
ret = FFCreateDevice(service, &haptic->hwdata->device);
if (ret != FF_OK) {
SDL_SetError("Haptic: Unable to create device from service: %s.",
FFStrError(ret));
goto creat_err;
}
/* Get supported features. */
ret2 = GetSupportedFeatures(haptic);
if (ret2 < 0) {
goto open_err;
}
/* Reset and then enable actuators. */
ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device,
FFSFFC_RESET);
if (ret != FF_OK) {
SDL_SetError("Haptic: Unable to reset device: %s.", FFStrError(ret));
goto open_err;
}
ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device,
FFSFFC_SETACTUATORSON);
if (ret != FF_OK) {
SDL_SetError("Haptic: Unable to enable actuators: %s.",
FFStrError(ret));
goto open_err;
}
/* Allocate effects memory. */
haptic->effects = (struct haptic_effect *)
SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects);
if (haptic->effects == NULL) {
SDL_OutOfMemory();
goto open_err;
}
/* Clear the memory */
SDL_memset(haptic->effects, 0,
sizeof(struct haptic_effect) * haptic->neffects);
return 0;
/* Error handling */
open_err:
FFReleaseDevice(haptic->hwdata->device);
creat_err:
if (haptic->hwdata != NULL) {
SDL_free(haptic->hwdata);
haptic->hwdata = NULL;
}
return -1;
}
