Esempio n. 1
0
/*
 * Stops all currently playing effects.
 */
int
SDL_SYS_HapticStopAll(SDL_Haptic * haptic)
{
    HRESULT ret;

    ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device,
                                           FFSFFC_STOPALL);
    if (ret != FF_OK) {
        return SDL_SetError("Haptic: Error stopping device: %s.", FFStrError(ret));
    }

    return 0;
}
Esempio n. 2
0
/*
 * Stops an effect.
 */
int
SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect *effect)
{
    HRESULT ret;

    ret = FFEffectStop(effect->hweffect->ref);
    if (ret != FF_OK) {
        return SDL_SetError("Haptic: Unable to stop the effect: %s.",
                            FFStrError(ret));
    }

    return 0;
}
Esempio n. 3
0
/*
 * Unpauses the device.
 */
int
SDL_SYS_HapticUnpause(SDL_Haptic * haptic)
{
    HRESULT ret;

    ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device,
                                           FFSFFC_CONTINUE);
    if (ret != FF_OK) {
        return SDL_SetError("Haptic: Error pausing device: %s.", FFStrError(ret));
    }

    return 0;
}
Esempio n. 4
0
/*
 * Sets the gain.
 */
int
SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
{
    HRESULT ret;
    Uint32 val;

    val = gain * 100;           /* Mac OS X uses 0 to 10,000 */
    ret = FFDeviceSetForceFeedbackProperty(haptic->hwdata->device,
                                           FFPROP_FFGAIN, &val);
    if (ret != FF_OK) {
        return SDL_SetError("Haptic: Error setting gain: %s.", FFStrError(ret));
    }

    return 0;
}
Esempio n. 5
0
/*
 * Frees the effect.
 */
void
SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect *effect)
{
    HRESULT ret;

    ret = FFDeviceReleaseEffect(haptic->hwdata->device, effect->hweffect->ref);
    if (ret != FF_OK) {
        SDL_SetError("Haptic: Error removing the effect from the device: %s.",
                     FFStrError(ret));
    }
    SDL_SYS_HapticFreeFFEFFECT(&effect->hweffect->effect,
                               effect->effect.type);
    SDL_free(effect->hweffect);
    effect->hweffect = NULL;
}
Esempio n. 6
0
/*
 * Creates a new haptic effect.
 */
int
SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect *effect,
                        SDL_HapticEffect * base)
{
    HRESULT ret;
    CFUUIDRef type;

    /* Alloc the effect. */
    effect->hweffect = (struct haptic_hweffect *)
        SDL_malloc(sizeof(struct haptic_hweffect));
    if (effect->hweffect == NULL) {
        SDL_OutOfMemory();
        goto err_hweffect;
    }

    /* Get the type. */
    type = SDL_SYS_HapticEffectType(base->type);
    if (type == NULL) {
        goto err_hweffect;
    }

    /* Get the effect. */
    if (SDL_SYS_ToFFEFFECT(haptic, &effect->hweffect->effect, base) < 0) {
        goto err_effectdone;
    }

    /* Create the actual effect. */
    ret = FFDeviceCreateEffect(haptic->hwdata->device, type,
                               &effect->hweffect->effect,
                               &effect->hweffect->ref);
    if (ret != FF_OK) {
        SDL_SetError("Haptic: Unable to create effect: %s.", FFStrError(ret));
        goto err_effectdone;
    }

    return 0;

  err_effectdone:
    SDL_SYS_HapticFreeFFEFFECT(&effect->hweffect->effect, base->type);
  err_hweffect:
    if (effect->hweffect != NULL) {
        SDL_free(effect->hweffect);
        effect->hweffect = NULL;
    }
    return -1;
}
Esempio n. 7
0
/*
 * Gets the status of a haptic effect.
 */
int
SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic,
                              struct haptic_effect *effect)
{
    HRESULT ret;
    FFEffectStatusFlag status;

    ret = FFEffectGetEffectStatus(effect->hweffect->ref, &status);
    if (ret != FF_OK) {
        SDL_SetError("Haptic: Unable to get effect status: %s.",
                     FFStrError(ret));
        return -1;
    }

    if (status == 0)
        return SDL_FALSE;
    return SDL_TRUE;            /* Assume it's playing or emulated. */
}
Esempio n. 8
0
/*
 * Updates an effect.
 */
int
SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
                           struct haptic_effect *effect,
                           SDL_HapticEffect * data)
{
    HRESULT ret;
    FFEffectParameterFlag flags;
    FFEFFECT temp;

    /* Get the effect. */
    SDL_memset(&temp, 0, sizeof(FFEFFECT));
    if (SDL_SYS_ToFFEFFECT(haptic, &temp, data) < 0) {
        goto err_update;
    }

    /* Set the flags.  Might be worthwhile to diff temp with loaded effect and
     *  only change those parameters. */
    flags = FFEP_DIRECTION |
        FFEP_DURATION |
        FFEP_ENVELOPE |
        FFEP_STARTDELAY |
        FFEP_TRIGGERBUTTON |
        FFEP_TRIGGERREPEATINTERVAL | FFEP_TYPESPECIFICPARAMS;

    /* Create the actual effect. */
    ret = FFEffectSetParameters(effect->hweffect->ref, &temp, flags);
    if (ret != FF_OK) {
        SDL_SetError("Haptic: Unable to update effect: %s.", FFStrError(ret));
        goto err_update;
    }

    /* Copy it over. */
    SDL_SYS_HapticFreeFFEFFECT(&effect->hweffect->effect, data->type);
    SDL_memcpy(&effect->hweffect->effect, &temp, sizeof(FFEFFECT));

    return 0;

  err_update:
    SDL_SYS_HapticFreeFFEFFECT(&temp, data->type);
    return -1;
}
Esempio n. 9
0
/*
 * Sets the autocentering.
 */
int
SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter)
{
    HRESULT ret;
    Uint32 val;

    /* Mac OS X only has 0 (off) and 1 (on) */
    if (autocenter == 0)
        val = 0;
    else
        val = 1;

    ret = FFDeviceSetForceFeedbackProperty(haptic->hwdata->device,
                                           FFPROP_AUTOCENTER, &val);
    if (ret != FF_OK) {
        return SDL_SetError("Haptic: Error setting autocenter: %s.",
                            FFStrError(ret));
    }

    return 0;
}
Esempio n. 10
0
/*
 * Runs an effect.
 */
int
SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect *effect,
                        Uint32 iterations)
{
    HRESULT ret;
    Uint32 iter;

    /* Check if it's infinite. */
    if (iterations == SDL_HAPTIC_INFINITY) {
        iter = FF_INFINITE;
    } else
        iter = iterations;

    /* Run the effect. */
    ret = FFEffectStart(effect->hweffect->ref, iter, 0);
    if (ret != FF_OK) {
        return SDL_SetError("Haptic: Unable to run the effect: %s.",
                            FFStrError(ret));
    }

    return 0;
}
Esempio n. 11
0
/*
 * 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;

}
Esempio n. 12
0
/*
 * Gets supported features.
 */
static unsigned int
GetSupportedFeatures(SDL_Haptic * haptic)
{
    HRESULT ret;
    FFDeviceObjectReference device;
    FFCAPABILITIES features;
    unsigned int supported;
    Uint32 val;

    device = haptic->hwdata->device;

    ret = FFDeviceGetForceFeedbackCapabilities(device, &features);
    if (ret != FF_OK) {
        return SDL_SetError("Haptic: Unable to get device's supported features.");
    }

    supported = 0;

    /* Get maximum effects. */
    haptic->neffects = features.storageCapacity;
    haptic->nplaying = features.playbackCapacity;

    /* Test for effects. */
    FF_TEST(FFCAP_ET_CONSTANTFORCE, SDL_HAPTIC_CONSTANT);
    FF_TEST(FFCAP_ET_RAMPFORCE, SDL_HAPTIC_RAMP);
    /* !!! FIXME: put this back when we have more bits in 2.1 */
    /* FF_TEST(FFCAP_ET_SQUARE, SDL_HAPTIC_SQUARE); */
    FF_TEST(FFCAP_ET_SINE, SDL_HAPTIC_SINE);
    FF_TEST(FFCAP_ET_TRIANGLE, SDL_HAPTIC_TRIANGLE);
    FF_TEST(FFCAP_ET_SAWTOOTHUP, SDL_HAPTIC_SAWTOOTHUP);
    FF_TEST(FFCAP_ET_SAWTOOTHDOWN, SDL_HAPTIC_SAWTOOTHDOWN);
    FF_TEST(FFCAP_ET_SPRING, SDL_HAPTIC_SPRING);
    FF_TEST(FFCAP_ET_DAMPER, SDL_HAPTIC_DAMPER);
    FF_TEST(FFCAP_ET_INERTIA, SDL_HAPTIC_INERTIA);
    FF_TEST(FFCAP_ET_FRICTION, SDL_HAPTIC_FRICTION);
    FF_TEST(FFCAP_ET_CUSTOMFORCE, SDL_HAPTIC_CUSTOM);

    /* Check if supports gain. */
    ret = FFDeviceGetForceFeedbackProperty(device, FFPROP_FFGAIN,
                                           &val, sizeof(val));
    if (ret == FF_OK) {
        supported |= SDL_HAPTIC_GAIN;
    } else if (ret != FFERR_UNSUPPORTED) {
        return SDL_SetError("Haptic: Unable to get if device supports gain: %s.",
                            FFStrError(ret));
    }

    /* Checks if supports autocenter. */
    ret = FFDeviceGetForceFeedbackProperty(device, FFPROP_AUTOCENTER,
                                           &val, sizeof(val));
    if (ret == FF_OK) {
        supported |= SDL_HAPTIC_AUTOCENTER;
    } else if (ret != FFERR_UNSUPPORTED) {
        return SDL_SetError
            ("Haptic: Unable to get if device supports autocenter: %s.",
             FFStrError(ret));
    }

    /* Check for axes, we have an artificial limit on axes */
    haptic->naxes = ((features.numFfAxes) > 3) ? 3 : features.numFfAxes;
    /* Actually store the axes we want to use */
    SDL_memcpy(haptic->hwdata->axes, features.ffAxes,
               haptic->naxes * sizeof(Uint8));

    /* Always supported features. */
    supported |= SDL_HAPTIC_STATUS | SDL_HAPTIC_PAUSE;

    haptic->supported = supported;
    return 0;
}