/*
* Updates an effect.
*/
int
SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
struct haptic_effect *effect,
SDL_HapticEffect * data)
{
HRESULT ret;
DWORD flags;
DIEFFECT temp;
if (haptic->hwdata->bXInputHaptic) {
/* !!! FIXME: this isn't close to right. We only support "sine" effects,
* !!! FIXME: we ignore most of the parameters, and we probably get
* !!! FIXME: the ones we don't ignore wrong, too.
* !!! FIXME: if I had a better understanding of how the two motors
* !!! FIXME: could be used in unison, perhaps I could implement other
* !!! FIXME: effect types?
*/
/* From MSDN:
"Note that the right motor is the high-frequency motor, the left
motor is the low-frequency motor. They do not always need to be
set to the same amount, as they provide different effects." */
XINPUT_VIBRATION *vib = &effect->hweffect->vibration;
SDL_assert(data->type == SDL_HAPTIC_SINE);
vib->wLeftMotorSpeed = vib->wRightMotorSpeed = data->periodic.magnitude * 2;
return 0;
}
/* Get the effect. */
SDL_memset(&temp, 0, sizeof(DIEFFECT));
if (SDL_SYS_ToDIEFFECT(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 = DIEP_DIRECTION |
DIEP_DURATION |
DIEP_ENVELOPE |
DIEP_STARTDELAY |
DIEP_TRIGGERBUTTON |
DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
/* Create the actual effect. */
ret =
IDirectInputEffect_SetParameters(effect->hweffect->ref, &temp, flags);
if (FAILED(ret)) {
DI_SetError("Unable to update effect", ret);
goto err_update;
}
/* Copy it over. */
SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, data->type);
SDL_memcpy(&effect->hweffect->effect, &temp, sizeof(DIEFFECT));
return 0;
err_update:
SDL_SYS_HapticFreeDIEFFECT(&temp, data->type);
return -1;
}
int
SDL_DINPUT_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect *effect, SDL_HapticEffect * base)
{
HRESULT ret;
REFGUID type = SDL_SYS_HapticEffectType(base);
if (type == NULL) {
SDL_SetError("Haptic: Unknown effect type.");
return -1;
}
/* Get the effect. */
if (SDL_SYS_ToDIEFFECT(haptic, &effect->hweffect->effect, base) < 0) {
goto err_effectdone;
}
/* Create the actual effect. */
ret = IDirectInputDevice8_CreateEffect(haptic->hwdata->device, type,
&effect->hweffect->effect,
&effect->hweffect->ref, NULL);
if (FAILED(ret)) {
DI_SetError("Unable to create effect", ret);
goto err_effectdone;
}
return 0;
err_effectdone:
SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, base->type);
return -1;
}
int
SDL_DINPUT_HapticUpdateEffect(SDL_Haptic * haptic, struct haptic_effect *effect, SDL_HapticEffect * data)
{
HRESULT ret;
DWORD flags;
DIEFFECT temp;
/* Get the effect. */
SDL_memset(&temp, 0, sizeof(DIEFFECT));
if (SDL_SYS_ToDIEFFECT(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 = DIEP_DIRECTION |
DIEP_DURATION |
DIEP_ENVELOPE |
DIEP_STARTDELAY |
DIEP_TRIGGERBUTTON |
DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
/* Create the actual effect. */
ret =
IDirectInputEffect_SetParameters(effect->hweffect->ref, &temp, flags);
if (ret == DIERR_NOTEXCLUSIVEACQUIRED) {
IDirectInputDevice8_Unacquire(haptic->hwdata->device);
ret = IDirectInputDevice8_SetCooperativeLevel(haptic->hwdata->device, SDL_HelperWindow, DISCL_EXCLUSIVE | DISCL_BACKGROUND);
if (SUCCEEDED(ret)) {
ret = DIERR_NOTACQUIRED;
}
}
if (ret == DIERR_INPUTLOST || ret == DIERR_NOTACQUIRED) {
ret = IDirectInputDevice8_Acquire(haptic->hwdata->device);
if (SUCCEEDED(ret)) {
ret = IDirectInputEffect_SetParameters(effect->hweffect->ref, &temp, flags);
}
}
if (FAILED(ret)) {
DI_SetError("Unable to update effect", ret);
goto err_update;
}
/* Copy it over. */
SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, data->type);
SDL_memcpy(&effect->hweffect->effect, &temp, sizeof(DIEFFECT));
return 0;
err_update:
SDL_SYS_HapticFreeDIEFFECT(&temp, data->type);
return -1;
}
/*
* Creates a new haptic effect.
*/
int
SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect *effect,
SDL_HapticEffect * base)
{
HRESULT ret;
REFGUID type = SDL_SYS_HapticEffectType(base);
if (type == NULL) {
goto err_hweffect;
}
/* Alloc the effect. */
effect->hweffect = (struct haptic_hweffect *)
SDL_malloc(sizeof(struct haptic_hweffect));
if (effect->hweffect == NULL) {
SDL_OutOfMemory();
goto err_hweffect;
}
SDL_zerop(effect->hweffect);
if (haptic->hwdata->bXInputHaptic) {
SDL_assert(base->type == SDL_HAPTIC_SINE); /* should catch this at higher level */
return SDL_SYS_HapticUpdateEffect(haptic, effect, base);
}
/* Get the effect. */
if (SDL_SYS_ToDIEFFECT(haptic, &effect->hweffect->effect, base) < 0) {
goto err_effectdone;
}
/* Create the actual effect. */
ret = IDirectInputDevice8_CreateEffect(haptic->hwdata->device, type,
&effect->hweffect->effect,
&effect->hweffect->ref, NULL);
if (FAILED(ret)) {
DI_SetError("Unable to create effect", ret);
goto err_effectdone;
}
return 0;
err_effectdone:
SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, base->type);
err_hweffect:
if (effect->hweffect != NULL) {
SDL_free(effect->hweffect);
effect->hweffect = NULL;
}
return -1;
}
/*
* Creates a new haptic effect.
*/
int
SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect *effect,
SDL_HapticEffect * base)
{
HRESULT ret;
/* Get the type. */
REFGUID type = SDL_SYS_HapticEffectType(base);
if (type == NULL) {
goto err_hweffect;
}
/* 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 effect. */
if (SDL_SYS_ToDIEFFECT(haptic, &effect->hweffect->effect, base) < 0) {
goto err_effectdone;
}
/* Create the actual effect. */
ret = IDirectInputDevice2_CreateEffect(haptic->hwdata->device, type,
&effect->hweffect->effect,
&effect->hweffect->ref, NULL);
if (FAILED(ret)) {
DI_SetError("Unable to create effect", ret);
goto err_effectdone;
}
return 0;
err_effectdone:
SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, base->type);
err_hweffect:
if (effect->hweffect != NULL) {
SDL_free(effect->hweffect);
effect->hweffect = NULL;
}
return -1;
}
/*
* Updates an effect.
*/
int
SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
struct haptic_effect *effect,
SDL_HapticEffect * data)
{
HRESULT ret;
DWORD flags;
DIEFFECT temp;
/* Get the effect. */
SDL_memset(&temp, 0, sizeof(DIEFFECT));
if (SDL_SYS_ToDIEFFECT(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 = DIEP_DIRECTION |
DIEP_DURATION |
DIEP_ENVELOPE |
DIEP_STARTDELAY |
DIEP_TRIGGERBUTTON |
DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
/* Create the actual effect. */
ret =
IDirectInputEffect_SetParameters(effect->hweffect->ref, &temp, flags);
if (FAILED(ret)) {
DI_SetError("Unable to update effect", ret);
goto err_update;
}
/* Copy it over. */
SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, data->type);
SDL_memcpy(&effect->hweffect->effect, &temp, sizeof(DIEFFECT));
return 0;
err_update:
SDL_SYS_HapticFreeDIEFFECT(&temp, data->type);
return -1;
}
