int
SDL_DINPUT_HapticStopAll(SDL_Haptic * haptic)
{
HRESULT ret;
/* Try to stop the effects. */
ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
DISFFC_STOPALL);
if (FAILED(ret)) {
return DI_SetError("Stopping the device", ret);
}
return 0;
}
int
SDL_DINPUT_HapticUnpause(SDL_Haptic * haptic)
{
HRESULT ret;
/* Unpause the device. */
ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
DISFFC_CONTINUE);
if (FAILED(ret)) {
return DI_SetError("Pausing the device", ret);
}
return 0;
}
/*
* Stops all the playing effects on the device.
*/
int
SDL_SYS_HapticStopAll(SDL_Haptic * haptic)
{
HRESULT ret;
if (haptic->hwdata->bXInputHaptic) {
XINPUT_VIBRATION vibration = { 0, 0 };
SDL_LockMutex(haptic->hwdata->mutex);
haptic->hwdata->stopTicks = 0;
SDL_UnlockMutex(haptic->hwdata->mutex);
return (XINPUTSETSTATE(haptic->hwdata->userid, &vibration) == ERROR_SUCCESS) ? 0 : -1;
}
/* Try to stop the effects. */
ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
DISFFC_STOPALL);
if (FAILED(ret)) {
return DI_SetError("Stopping the device", ret);
}
return 0;
}
int
SDL_DINPUT_JoystickOpen(SDL_Joystick * joystick, JoyStick_DeviceData *joystickdevice)
{
HRESULT result;
LPDIRECTINPUTDEVICE8 device;
DIPROPDWORD dipdw;
joystick->hwdata->buffered = SDL_TRUE;
joystick->hwdata->Capabilities.dwSize = sizeof(DIDEVCAPS);
SDL_zero(dipdw);
dipdw.diph.dwSize = sizeof(DIPROPDWORD);
dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
result =
IDirectInput8_CreateDevice(dinput,
&(joystickdevice->dxdevice.guidInstance), &device, NULL);
if (FAILED(result)) {
return SetDIerror("IDirectInput::CreateDevice", result);
}
/* Now get the IDirectInputDevice8 interface, instead. */
result = IDirectInputDevice8_QueryInterface(device,
&IID_IDirectInputDevice8,
(LPVOID *)& joystick->
hwdata->InputDevice);
/* We are done with this object. Use the stored one from now on. */
IDirectInputDevice8_Release(device);
if (FAILED(result)) {
return SetDIerror("IDirectInputDevice8::QueryInterface", result);
}
/* Acquire shared access. Exclusive access is required for forces,
* though. */
result =
IDirectInputDevice8_SetCooperativeLevel(joystick->hwdata->
InputDevice, SDL_HelperWindow,
DISCL_EXCLUSIVE |
DISCL_BACKGROUND);
if (FAILED(result)) {
return SetDIerror("IDirectInputDevice8::SetCooperativeLevel", result);
}
/* Use the extended data structure: DIJOYSTATE2. */
result =
IDirectInputDevice8_SetDataFormat(joystick->hwdata->InputDevice,
&SDL_c_dfDIJoystick2);
if (FAILED(result)) {
return SetDIerror("IDirectInputDevice8::SetDataFormat", result);
}
/* Get device capabilities */
result =
IDirectInputDevice8_GetCapabilities(joystick->hwdata->InputDevice,
&joystick->hwdata->Capabilities);
if (FAILED(result)) {
return SetDIerror("IDirectInputDevice8::GetCapabilities", result);
}
/* Force capable? */
if (joystick->hwdata->Capabilities.dwFlags & DIDC_FORCEFEEDBACK) {
result = IDirectInputDevice8_Acquire(joystick->hwdata->InputDevice);
if (FAILED(result)) {
return SetDIerror("IDirectInputDevice8::Acquire", result);
}
/* reset all actuators. */
result =
IDirectInputDevice8_SendForceFeedbackCommand(joystick->hwdata->
InputDevice,
DISFFC_RESET);
/* Not necessarily supported, ignore if not supported.
if (FAILED(result)) {
return SetDIerror("IDirectInputDevice8::SendForceFeedbackCommand", result);
}
*/
result = IDirectInputDevice8_Unacquire(joystick->hwdata->InputDevice);
if (FAILED(result)) {
return SetDIerror("IDirectInputDevice8::Unacquire", result);
}
/* Turn on auto-centering for a ForceFeedback device (until told
* otherwise). */
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = DIPROPAUTOCENTER_ON;
result =
IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,
DIPROP_AUTOCENTER, &dipdw.diph);
/* Not necessarily supported, ignore if not supported.
if (FAILED(result)) {
return SetDIerror("IDirectInputDevice8::SetProperty", result);
}
*/
}
/* What buttons and axes does it have? */
IDirectInputDevice8_EnumObjects(joystick->hwdata->InputDevice,
EnumDevObjectsCallback, joystick,
DIDFT_BUTTON | DIDFT_AXIS | DIDFT_POV);
/* Reorder the input objects. Some devices do not report the X axis as
* the first axis, for example. */
SortDevObjects(joystick);
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = INPUT_QSIZE;
/* Set the buffer size */
result =
IDirectInputDevice8_SetProperty(joystick->hwdata->InputDevice,
DIPROP_BUFFERSIZE, &dipdw.diph);
if (result == DI_POLLEDDEVICE) {
/* This device doesn't support buffering, so we're forced
* to use less reliable polling. */
joystick->hwdata->buffered = SDL_FALSE;
} else if (FAILED(result)) {
return SetDIerror("IDirectInputDevice8::SetProperty", result);
}
return 0;
}
/*
* Opens the haptic device from the file descriptor.
*
* Steps:
* - Set cooperative level.
* - Set data format.
* - Acquire exclusiveness.
* - Reset actuators.
* - Get supported features.
*/
static int
SDL_SYS_HapticOpenFromDevice8(SDL_Haptic * haptic,
LPDIRECTINPUTDEVICE8 device8, SDL_bool is_joystick)
{
HRESULT ret;
DIPROPDWORD dipdw;
/* Allocate the hwdata */
haptic->hwdata = (struct haptic_hwdata *)SDL_malloc(sizeof(*haptic->hwdata));
if (haptic->hwdata == NULL) {
return SDL_OutOfMemory();
}
SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
/* We'll use the device8 from now on. */
haptic->hwdata->device = device8;
haptic->hwdata->is_joystick = is_joystick;
/* Grab it exclusively to use force feedback stuff. */
ret = IDirectInputDevice8_SetCooperativeLevel(haptic->hwdata->device,
SDL_HelperWindow,
DISCL_EXCLUSIVE |
DISCL_BACKGROUND);
if (FAILED(ret)) {
DI_SetError("Setting cooperative level to exclusive", ret);
goto acquire_err;
}
/* Set data format. */
ret = IDirectInputDevice8_SetDataFormat(haptic->hwdata->device,
&c_dfDIJoystick2);
if (FAILED(ret)) {
DI_SetError("Setting data format", ret);
goto acquire_err;
}
/* Get number of axes. */
ret = IDirectInputDevice8_EnumObjects(haptic->hwdata->device,
DI_DeviceObjectCallback,
haptic, DIDFT_AXIS);
if (FAILED(ret)) {
DI_SetError("Getting device axes", ret);
goto acquire_err;
}
/* Acquire the device. */
ret = IDirectInputDevice8_Acquire(haptic->hwdata->device);
if (FAILED(ret)) {
DI_SetError("Acquiring DirectInput device", ret);
goto acquire_err;
}
/* Reset all actuators - just in case. */
ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
DISFFC_RESET);
if (FAILED(ret)) {
DI_SetError("Resetting device", ret);
goto acquire_err;
}
/* Enabling actuators. */
ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device,
DISFFC_SETACTUATORSON);
if (FAILED(ret)) {
DI_SetError("Enabling actuators", ret);
goto acquire_err;
}
/* Get supported effects. */
ret = IDirectInputDevice8_EnumEffects(haptic->hwdata->device,
DI_EffectCallback, haptic,
DIEFT_ALL);
if (FAILED(ret)) {
DI_SetError("Enumerating supported effects", ret);
goto acquire_err;
}
if (haptic->supported == 0) { /* Error since device supports nothing. */
SDL_SetError("Haptic: Internal error on finding supported effects.");
goto acquire_err;
}
/* Check autogain and autocenter. */
dipdw.diph.dwSize = sizeof(DIPROPDWORD);
dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER);
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = 10000;
ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device,
DIPROP_FFGAIN, &dipdw.diph);
if (!FAILED(ret)) { /* Gain is supported. */
haptic->supported |= SDL_HAPTIC_GAIN;
}
dipdw.diph.dwObj = 0;
dipdw.diph.dwHow = DIPH_DEVICE;
dipdw.dwData = DIPROPAUTOCENTER_OFF;
ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device,
DIPROP_AUTOCENTER, &dipdw.diph);
if (!FAILED(ret)) { /* Autocenter is supported. */
haptic->supported |= SDL_HAPTIC_AUTOCENTER;
}
/* Status is always supported. */
haptic->supported |= SDL_HAPTIC_STATUS | SDL_HAPTIC_PAUSE;
/* Check maximum effects. */
haptic->neffects = 128; /* This is not actually supported as thus under windows,
there is no way to tell the number of EFFECTS that a
device can hold, so we'll just use a "random" number
instead and put warnings in SDL_haptic.h */
haptic->nplaying = 128; /* Even more impossible to get this then neffects. */
/* Prepare effects memory. */
haptic->effects = (struct haptic_effect *)
SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects);
if (haptic->effects == NULL) {
SDL_OutOfMemory();
goto acquire_err;
}
/* Clear the memory */
SDL_memset(haptic->effects, 0,
sizeof(struct haptic_effect) * haptic->neffects);
return 0;
/* Error handling */
acquire_err:
IDirectInputDevice8_Unacquire(haptic->hwdata->device);
return -1;
}
