/*
* Checks to see if the haptic device and joystick and in reality the same.
*/
int
SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
{
if ((joystick->hwdata->bXInputHaptic == haptic->hwdata->bXInputHaptic) && (haptic->hwdata->userid == joystick->hwdata->userid)) {
return 1;
} else {
HRESULT ret;
DIDEVICEINSTANCE hap_instance, joy_instance;
hap_instance.dwSize = sizeof(DIDEVICEINSTANCE);
joy_instance.dwSize = sizeof(DIDEVICEINSTANCE);
/* Get the device instances. */
ret = IDirectInputDevice8_GetDeviceInfo(haptic->hwdata->device,
&hap_instance);
if (FAILED(ret)) {
return 0;
}
ret = IDirectInputDevice8_GetDeviceInfo(joystick->hwdata->InputDevice,
&joy_instance);
if (FAILED(ret)) {
return 0;
}
if (DI_GUIDIsSame(&hap_instance.guidInstance, &joy_instance.guidInstance))
return 1;
}
return 0;
}
/*
* Opens a SDL_Haptic from a SDL_Joystick.
*/
int
SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
{
int i;
HRESULT idret;
DIDEVICEINSTANCE joy_instance;
joy_instance.dwSize = sizeof(DIDEVICEINSTANCE);
/* Since it comes from a joystick we have to try to match it with a haptic device on our haptic list. */
if (joystick->hwdata->bXInputDevice) {
const Uint8 userid = joystick->hwdata->userid;
for (i=0; i<SDL_numhaptics; i++) {
if ((SDL_hapticlist[i].bXInputHaptic) && (SDL_hapticlist[i].userid == userid)) {
SDL_assert(joystick->hwdata->bXInputHaptic);
haptic->index = i;
return SDL_SYS_HapticOpenFromXInput(haptic, SDL_hapticlist[haptic->index].userid);
}
}
} else {
for (i=0; i<SDL_numhaptics; i++) {
idret = IDirectInputDevice8_GetDeviceInfo(joystick->hwdata->InputDevice, &joy_instance);
if (FAILED(idret)) {
return -1;
}
if (DI_GUIDIsSame(&SDL_hapticlist[i].instance.guidInstance,
&joy_instance.guidInstance)) {
haptic->index = i;
return SDL_SYS_HapticOpenFromDevice8(haptic, joystick->hwdata->InputDevice, SDL_TRUE);
}
}
}
/* No match to our haptic list */
return -1;
}
int
SDL_DINPUT_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
{
SDL_hapticlist_item *item;
int index = 0;
HRESULT ret;
DIDEVICEINSTANCE joy_instance;
joy_instance.dwSize = sizeof(DIDEVICEINSTANCE);
ret = IDirectInputDevice8_GetDeviceInfo(joystick->hwdata->InputDevice, &joy_instance);
if (FAILED(ret)) {
return -1;
}
/* Since it comes from a joystick we have to try to match it with a haptic device on our haptic list. */
for (item = SDL_hapticlist; item != NULL; item = item->next) {
if (!item->bXInputHaptic && DI_GUIDIsSame(&item->instance.guidInstance, &joy_instance.guidInstance)) {
haptic->index = index;
return SDL_DINPUT_HapticOpenFromDevice(haptic, joystick->hwdata->InputDevice, SDL_TRUE);
}
++index;
}
SDL_SetError("Couldn't find joystick in haptic device list");
return -1;
}
int
SDL_DINPUT_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
{
HRESULT ret;
DIDEVICEINSTANCE hap_instance, joy_instance;
hap_instance.dwSize = sizeof(DIDEVICEINSTANCE);
joy_instance.dwSize = sizeof(DIDEVICEINSTANCE);
/* Get the device instances. */
ret = IDirectInputDevice8_GetDeviceInfo(haptic->hwdata->device,
&hap_instance);
if (FAILED(ret)) {
return 0;
}
ret = IDirectInputDevice8_GetDeviceInfo(joystick->hwdata->InputDevice,
&joy_instance);
if (FAILED(ret)) {
return 0;
}
return DI_GUIDIsSame(&hap_instance.guidInstance, &joy_instance.guidInstance);
}
