static HRESULT WINAPI LinuxInputEffectImpl_Start(
LPDIRECTINPUTEFFECT iface,
DWORD dwIterations,
DWORD dwFlags)
{
struct input_event event;
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("(this=%p,%d,%d)\n", This, dwIterations, dwFlags);
if (!(dwFlags & DIES_NODOWNLOAD)) {
/* Download the effect if necessary */
if (This->effect.id == -1) {
HRESULT res = LinuxInputEffectImpl_Download(iface);
if (res != DI_OK)
return res;
}
}
if (dwFlags & DIES_SOLO) {
FIXME("Solo mode requested: should be stopping all effects here!\n");
}
event.type = EV_FF;
event.code = This->effect.id;
event.value = min( dwIterations, INT_MAX );
if (write(*(This->fd), &event, sizeof(event)) == -1) {
FIXME("Unable to write event. Assuming device disconnected.\n");
return DIERR_INPUTLOST;
}
return DI_OK;
}
static HRESULT WINAPI effect_GetParameters(IDirectInputEffect *iface,
DIEFFECT *effect, DWORD flags)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("%p %p 0x%x\n", This, effect, flags);
return osx_to_win32_hresult(FFEffectGetParameters(This->effect, (FFEFFECT*)effect, flags));
}
static HRESULT WINAPI effect_Start(IDirectInputEffect *iface, DWORD iterations,
DWORD flags)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("%p 0x%x 0x%x\n", This, iterations, flags);
return osx_to_win32_hresult(FFEffectStart(This->effect, iterations, flags));
}
static HRESULT WINAPI effect_Initialize(IDirectInputEffect *iface, HINSTANCE hinst,
DWORD version, const GUID *guid)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("%p %p 0x%x, %s\n", This, hinst, version, debugstr_guid(guid));
return S_OK;
}
static HRESULT WINAPI effect_GetEffectGuid(IDirectInputEffect *iface, GUID *out)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("%p %p\n", This, out);
*out = This->guid;
return S_OK;
}
static ULONG WINAPI effect_AddRef(IDirectInputEffect *iface)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("%p, ref is now: %u\n", This, ref);
return ref;
}
static HRESULT WINAPI LinuxInputEffectImpl_GetEffectGuid(
LPDIRECTINPUTEFFECT iface,
LPGUID pguid)
{
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("(this=%p,%p)\n", This, pguid);
*pguid = This->guid;
return DI_OK;
}
static ULONG WINAPI effect_Release(IDirectInputEffect *iface)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("%p, ref is now: %u\n", This, ref);
if(!ref) {
list_remove(&This->entry);
FFDeviceReleaseEffect(This->device->ff, This->effect);
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI LinuxInputEffectImpl_Unload(
LPDIRECTINPUTEFFECT iface)
{
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("(this=%p)\n", This);
/* Erase the downloaded effect */
if (ioctl(*(This->fd), EVIOCRMFF, This->effect.id) == -1)
return DIERR_INVALIDPARAM;
/* Mark the effect as deallocated */
This->effect.id = -1;
return DI_OK;
}
static ULONG WINAPI LinuxInputEffectImpl_Release(LPDIRECTINPUTEFFECT iface)
{
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
ULONG ref = InterlockedDecrement(&(This->ref));
if (ref == 0)
{
LinuxInputEffectImpl_Stop(iface);
LinuxInputEffectImpl_Unload(iface);
list_remove(This->entry);
HeapFree(GetProcessHeap(), 0, LIST_ENTRY(This->entry, effect_list_item, entry));
HeapFree(GetProcessHeap(), 0, This);
}
return ref;
}
static HRESULT WINAPI effect_QueryInterface(IDirectInputEffect *iface,
const GUID *guid, void **out)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("%p %s %p\n", This, debugstr_guid(guid), out);
if(IsEqualIID(guid, &IID_IDirectInputEffect)) {
*out = iface;
IDirectInputEffect_AddRef(iface);
return S_OK;
}
return E_NOINTERFACE;
}
static HRESULT WINAPI LinuxInputEffectImpl_Stop(
LPDIRECTINPUTEFFECT iface)
{
struct input_event event;
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("(this=%p)\n", This);
event.type = EV_FF;
event.code = This->effect.id;
event.value = 0;
/* we don't care about the success or failure of this call */
write(*(This->fd), &event, sizeof(event));
return DI_OK;
}
static HRESULT WINAPI LinuxInputEffectImpl_Download(
LPDIRECTINPUTEFFECT iface)
{
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("(this=%p)\n", This);
if (ioctl(*(This->fd), EVIOCSFF, &This->effect) == -1) {
if (errno == ENOMEM) {
return DIERR_DEVICEFULL;
} else {
FIXME("Could not upload effect. Assuming a disconnected device %d \"%s\".\n", *This->fd, strerror(errno));
return DIERR_INPUTLOST;
}
}
return DI_OK;
}
static HRESULT WINAPI LinuxInputEffectImpl_QueryInterface(
LPDIRECTINPUTEFFECT iface,
REFIID riid,
void **ppvObject)
{
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("(this=%p,%s,%p)\n", This, debugstr_guid(riid), ppvObject);
if (IsEqualGUID(&IID_IUnknown, riid) ||
IsEqualGUID(&IID_IDirectInputEffect, riid)) {
LinuxInputEffectImpl_AddRef(iface);
*ppvObject = This;
return 0;
}
TRACE("Unsupported interface!\n");
return E_FAIL;
}
static HRESULT WINAPI LinuxInputEffectImpl_Download(
LPDIRECTINPUTEFFECT iface)
{
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
int ret, old_effect_id;
TRACE("(this=%p)\n", This);
ff_dump_effect(&This->effect);
old_effect_id = This->effect.id;
if (ioctl(*(This->fd), EVIOCSFF, &This->effect) != -1)
return DI_OK;
/* Linux kernel < 3.14 has a bug that incorrectly assigns an effect ID even
* on error, restore it here if that is the case. */
This->effect.id = old_effect_id;
switch (errno)
{
case EINVAL:
ret = DIERR_INVALIDPARAM;
break;
case ENOSPC:
ret = DIERR_DEVICEFULL;
break;
case ENOMEM:
ret = DIERR_OUTOFMEMORY;
break;
default:
ret = DIERR_INPUTLOST;
break;
}
TRACE("Could not upload effect to fd %d, errno %d \"%s\", returning 0x%x.\n",
*This->fd, errno, strerror(errno), ret);
return ret;
}
static ULONG WINAPI LinuxInputEffectImpl_AddRef(
LPDIRECTINPUTEFFECT iface)
{
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
return InterlockedIncrement(&(This->ref));
}
static HRESULT WINAPI effect_Escape(IDirectInputEffect *iface, DIEFFESCAPE *escape)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("%p %p\n", This, escape);
return osx_to_win32_hresult(FFEffectEscape(This->effect, (FFEFFESCAPE*)escape));
}
static HRESULT WINAPI effect_GetEffectStatus(IDirectInputEffect *iface, DWORD *flags)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("%p %p\n", This, flags);
return osx_to_win32_hresult(FFEffectGetEffectStatus(This->effect, (UInt32*)flags));
}
static HRESULT WINAPI effect_Unload(IDirectInputEffect *iface)
{
EffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("%p\n", This);
return osx_to_win32_hresult(FFEffectUnload(This->effect));
}
static HRESULT WINAPI LinuxInputEffectImpl_SetParameters(
LPDIRECTINPUTEFFECT iface,
LPCDIEFFECT peff,
DWORD dwFlags)
{
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
DWORD type = typeFromGUID(&This->guid);
HRESULT retval = DI_OK;
TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
dump_DIEFFECT(peff, &This->guid, dwFlags);
if ((dwFlags & ~DIEP_NORESTART & ~DIEP_NODOWNLOAD & ~DIEP_START) == 0) {
/* set everything */
dwFlags = DIEP_AXES | DIEP_DIRECTION | DIEP_DURATION | DIEP_ENVELOPE |
DIEP_GAIN | DIEP_SAMPLEPERIOD | DIEP_STARTDELAY | DIEP_TRIGGERBUTTON |
DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
}
if (dwFlags & DIEP_AXES) {
/* the linux input effect system only supports one or two axes */
if (peff->cAxes > 2)
return DIERR_INVALIDPARAM;
else if (peff->cAxes < 1)
return DIERR_INCOMPLETEEFFECT;
This->first_axis_is_x = peff->rgdwAxes[0] == DIJOFS_X;
}
/* some of this may look funky, but it's 'cause the linux driver and directx have
* different opinions about which way direction "0" is. directx has 0 along the x
* axis (left), linux has it along the y axis (down). */
if (dwFlags & DIEP_DIRECTION) {
if (peff->cAxes == 1) {
if (peff->dwFlags & DIEFF_CARTESIAN) {
if (dwFlags & DIEP_AXES) {
if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] >= 0)
This->effect.direction = 0x4000;
else if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] < 0)
This->effect.direction = 0xC000;
else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] >= 0)
This->effect.direction = 0;
else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] < 0)
This->effect.direction = 0x8000;
}
} else {
/* one-axis effects must use cartesian coords */
return DIERR_INVALIDPARAM;
}
}
/* two axes */
else
{
if (peff->dwFlags & DIEFF_CARTESIAN)
{
LONG x, y;
if (This->first_axis_is_x)
{
x = peff->rglDirection[0];
y = peff->rglDirection[1];
}
else
{
x = peff->rglDirection[1];
y = peff->rglDirection[0];
}
This->effect.direction = (unsigned int)((M_PI / 2 + atan2(y, x)) * 0x8000 / M_PI);
}
else
{
/* Polar and spherical are the same for 2 axes */
/* Precision is important here, so we do double math with exact constants */
This->effect.direction = (unsigned int)(((double)peff->rglDirection[0] / 18000) * 0x8000);
}
}
}
if (dwFlags & DIEP_DURATION)
{
if (peff->dwDuration == INFINITE)
This->effect.replay.length = 0; /* infinite for the linux driver */
else if(peff->dwDuration > 1000)
This->effect.replay.length = peff->dwDuration / 1000;
else
This->effect.replay.length = 1;
}
if (dwFlags & DIEP_ENVELOPE)
{
struct ff_envelope* env;
if (This->effect.type == FF_CONSTANT)
env = &This->effect.u.constant.envelope;
else if (This->effect.type == FF_PERIODIC)
env = &This->effect.u.periodic.envelope;
else if (This->effect.type == FF_RAMP)
env = &This->effect.u.ramp.envelope;
else
env = NULL;
/* copy the envelope if it is present and the linux effect supports it */
if (peff->lpEnvelope && env)
{
env->attack_length = peff->lpEnvelope->dwAttackTime / 1000;
env->attack_level = (peff->lpEnvelope->dwAttackLevel / 10) * 32;
env->fade_length = peff->lpEnvelope->dwFadeTime / 1000;
env->fade_level = (peff->lpEnvelope->dwFadeLevel / 10) * 32;
}
/* if the dinput envelope is NULL we will clear the linux envelope */
else if (env)
{
env->attack_length = 0;
env->attack_level = 0;
env->fade_length = 0;
env->fade_level = 0;
}
else if(peff->lpEnvelope)
{
if(peff->lpEnvelope->dwAttackTime || peff->lpEnvelope->dwAttackLevel ||
peff->lpEnvelope->dwFadeTime || peff->lpEnvelope->dwFadeLevel)
WARN("Ignoring dinput envelope not supported in the linux effect\n");
}
}
/* Gain and Sample Period settings are not supported by the linux
* event system */
if (dwFlags & DIEP_GAIN) {
This->gain = 0xFFFF * peff->dwGain / 10000;
TRACE("Effect gain requested but no effect gain functionality present.\n");
}
if (dwFlags & DIEP_SAMPLEPERIOD)
TRACE("Sample period requested but no sample period functionality present.\n");
if (dwFlags & DIEP_STARTDELAY)
if ((dwFlags & DIEP_STARTDELAY) && peff->dwSize > sizeof(DIEFFECT_DX5))
This->effect.replay.delay = peff->dwStartDelay / 1000;
if (dwFlags & DIEP_TRIGGERBUTTON) {
if (peff->dwTriggerButton != -1) {
FIXME("Linuxinput button mapping needs redoing, assuming we're using a joystick.\n");
FIXME("Trigger button translation not yet implemented!\n");
}
This->effect.trigger.button = 0;
}
if (dwFlags & DIEP_TRIGGERREPEATINTERVAL)
This->effect.trigger.interval = peff->dwTriggerRepeatInterval / 1000;
if (dwFlags & DIEP_TYPESPECIFICPARAMS)
{
if (!(peff->lpvTypeSpecificParams))
return DIERR_INCOMPLETEEFFECT;
if (type == DIEFT_PERIODIC)
{
DIPERIODIC *tsp;
if (peff->cbTypeSpecificParams != sizeof(DIPERIODIC))
return DIERR_INVALIDPARAM;
tsp = peff->lpvTypeSpecificParams;
This->effect.u.periodic.magnitude = (tsp->dwMagnitude / 10) * 32;
This->effect.u.periodic.offset = (tsp->lOffset / 10) * 32;
/* phase ranges from 0 - 35999 in dinput and 0 - 65535 on linux */
This->effect.u.periodic.phase = (tsp->dwPhase / 36) * 65;
/* dinput uses microseconds, linux uses miliseconds */
if (tsp->dwPeriod <= 1000)
This->effect.u.periodic.period = 1;
else
This->effect.u.periodic.period = tsp->dwPeriod / 1000;
}
else if (type == DIEFT_CONSTANTFORCE)
{
LPCDICONSTANTFORCE tsp;
if (peff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE))
return DIERR_INVALIDPARAM;
tsp = peff->lpvTypeSpecificParams;
This->effect.u.constant.level = (max(min(tsp->lMagnitude, 10000), -10000) / 10) * 32;
} else if (type == DIEFT_RAMPFORCE) {
LPCDIRAMPFORCE tsp;
if (peff->cbTypeSpecificParams != sizeof(DIRAMPFORCE))
return DIERR_INVALIDPARAM;
tsp = peff->lpvTypeSpecificParams;
This->effect.u.ramp.start_level = (tsp->lStart / 10) * 32;
This->effect.u.ramp.end_level = (tsp->lEnd / 10) * 32;
}
else if (type == DIEFT_CONDITION)
{
DICONDITION *tsp = peff->lpvTypeSpecificParams;
struct ff_condition_effect *cond = This->effect.u.condition;
int i, j, sources;
double factor[2];
if (peff->cbTypeSpecificParams == sizeof(DICONDITION))
{
/* One condition block. This needs to be rotated to direction,
* and expanded to separate x and y conditions. Ensures 0 points right */
double angle = ff_effect_direction_to_rad(This->effect.direction + 0xc000);
factor[0] = sin(angle);
factor[1] = -cos(angle);
sources = 1;
}
else if (peff->cbTypeSpecificParams == 2 * sizeof(DICONDITION))
{
/* Direct parameter copy without changes */
factor[0] = factor[1] = 1;
sources = 2;
}
else
return DIERR_INVALIDPARAM;
for (i = j = 0; i < 2; ++i)
{
cond[i].center = (int)(factor[i] * (tsp[j].lOffset / 10) * 32);
cond[i].right_coeff = (int)(factor[i] * (tsp[j].lPositiveCoefficient / 10) * 32);
cond[i].left_coeff = (int)(factor[i] * (tsp[j].lNegativeCoefficient / 10) * 32);
cond[i].right_saturation = (int)(factor[i] * (tsp[j].dwPositiveSaturation / 10) * 65);
cond[i].left_saturation = (int)(factor[i] * (tsp[j].dwNegativeSaturation / 10) * 65);
cond[i].deadband = (int)(factor[i] * (tsp[j].lDeadBand / 10) * 32);
if (sources == 2)
j++;
}
}
else
{
FIXME("Custom force types are not supported\n");
return DIERR_INVALIDPARAM;
}
}
if (!(dwFlags & DIEP_NODOWNLOAD))
retval = LinuxInputEffectImpl_Download(iface);
if (retval != DI_OK)
return DI_DOWNLOADSKIPPED;
if (dwFlags & DIEP_NORESTART)
TRACE("DIEP_NORESTART: not handled (we have no control of that).\n");
if (dwFlags & DIEP_START)
retval = LinuxInputEffectImpl_Start(iface, 1, 0);
if (retval != DI_OK)
return retval;
return DI_OK;
}
static HRESULT WINAPI LinuxInputEffectImpl_SetParameters(
LPDIRECTINPUTEFFECT iface,
LPCDIEFFECT peff,
DWORD dwFlags)
{
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
DWORD type = typeFromGUID(&This->guid);
HRESULT retval = DI_OK;
TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
dump_DIEFFECT(peff, &This->guid, dwFlags);
if ((dwFlags & ~DIEP_NORESTART & ~DIEP_NODOWNLOAD & ~DIEP_START) == 0) {
/* set everything */
dwFlags = DIEP_AXES | DIEP_DIRECTION | DIEP_DURATION | DIEP_ENVELOPE |
DIEP_GAIN | DIEP_SAMPLEPERIOD | DIEP_STARTDELAY | DIEP_TRIGGERBUTTON |
DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
}
if (dwFlags & DIEP_AXES) {
/* the linux input effect system only supports one or two axes */
if (peff->cAxes > 2)
return DIERR_INVALIDPARAM;
else if (peff->cAxes < 1)
return DIERR_INCOMPLETEEFFECT;
This->first_axis_is_x = peff->rgdwAxes[0] == DIJOFS_X;
}
/* some of this may look funky, but it's 'cause the linux driver and directx have
* different opinions about which way direction "0" is. directx has 0 along the x
* axis (left), linux has it along the y axis (down). */
if (dwFlags & DIEP_DIRECTION) {
if (peff->cAxes == 1) {
if (peff->dwFlags & DIEFF_CARTESIAN) {
if (dwFlags & DIEP_AXES) {
if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] >= 0)
This->effect.direction = 0x4000;
else if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] < 0)
This->effect.direction = 0xC000;
else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] >= 0)
This->effect.direction = 0;
else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] < 0)
This->effect.direction = 0x8000;
}
} else {
/* one-axis effects must use cartesian coords */
return DIERR_INVALIDPARAM;
}
} else { /* two axes */
if (peff->dwFlags & DIEFF_CARTESIAN) {
LONG x, y;
if (This->first_axis_is_x) {
x = peff->rglDirection[0];
y = peff->rglDirection[1];
} else {
x = peff->rglDirection[1];
y = peff->rglDirection[0];
}
This->effect.direction = (int)((3 * M_PI / 2 - atan2(y, x)) * -0x7FFF / M_PI);
} else {
/* Polar and spherical are the same for 2 axes */
/* Precision is important here, so we do double math with exact constants */
This->effect.direction = (int)(((double)peff->rglDirection[0] - 90) / 35999) * 0x7FFF;
}
}
}
if (dwFlags & DIEP_DURATION)
This->effect.replay.length = peff->dwDuration / 1000;
if (dwFlags & DIEP_ENVELOPE) {
struct ff_envelope* env;
if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
else env = NULL;
if (peff->lpEnvelope == NULL) {
/* if this type had an envelope, reset it */
if (env) {
env->attack_length = 0;
env->attack_level = 0;
env->fade_length = 0;
env->fade_level = 0;
}
} else {
/* did we get passed an envelope for a type that doesn't even have one? */
if (!env) return DIERR_INVALIDPARAM;
/* copy the envelope */
env->attack_length = peff->lpEnvelope->dwAttackTime / 1000;
env->attack_level = (peff->lpEnvelope->dwAttackLevel / 10) * 32;
env->fade_length = peff->lpEnvelope->dwFadeTime / 1000;
env->fade_level = (peff->lpEnvelope->dwFadeLevel / 10) * 32;
}
}
/* Gain and Sample Period settings are not supported by the linux
* event system */
if (dwFlags & DIEP_GAIN) {
This->gain = 0xFFFF * peff->dwGain / 10000;
TRACE("Effect gain requested but no effect gain functionality present.\n");
}
if (dwFlags & DIEP_SAMPLEPERIOD)
TRACE("Sample period requested but no sample period functionality present.\n");
if (dwFlags & DIEP_STARTDELAY)
This->effect.replay.delay = peff->dwStartDelay / 1000;
if (dwFlags & DIEP_TRIGGERBUTTON) {
if (peff->dwTriggerButton != -1) {
FIXME("Linuxinput button mapping needs redoing, assuming we're using a joystick.\n");
FIXME("Trigger button translation not yet implemented!\n");
}
This->effect.trigger.button = 0;
}
if (dwFlags & DIEP_TRIGGERREPEATINTERVAL)
This->effect.trigger.interval = peff->dwTriggerRepeatInterval / 1000;
if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
if (!(peff->lpvTypeSpecificParams))
return DIERR_INCOMPLETEEFFECT;
if (type == DIEFT_PERIODIC) {
LPCDIPERIODIC tsp;
if (peff->cbTypeSpecificParams != sizeof(DIPERIODIC))
return DIERR_INVALIDPARAM;
tsp = peff->lpvTypeSpecificParams;
This->effect.u.periodic.magnitude = (tsp->dwMagnitude / 10) * 32;
This->effect.u.periodic.offset = (tsp->lOffset / 10) * 32;
This->effect.u.periodic.phase = (tsp->dwPhase / 9) * 8; /* == (/ 36 * 32) */
This->effect.u.periodic.period = tsp->dwPeriod / 1000;
} else if (type == DIEFT_CONSTANTFORCE) {
LPCDICONSTANTFORCE tsp;
if (peff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE))
return DIERR_INVALIDPARAM;
tsp = peff->lpvTypeSpecificParams;
This->effect.u.constant.level = (max(min(tsp->lMagnitude, 10000), -10000) / 10) * 32;
} else if (type == DIEFT_RAMPFORCE) {
LPCDIRAMPFORCE tsp;
if (peff->cbTypeSpecificParams != sizeof(DIRAMPFORCE))
return DIERR_INVALIDPARAM;
tsp = peff->lpvTypeSpecificParams;
This->effect.u.ramp.start_level = (tsp->lStart / 10) * 32;
This->effect.u.ramp.end_level = (tsp->lEnd / 10) * 32;
} else if (type == DIEFT_CONDITION) {
LPCDICONDITION tsp = peff->lpvTypeSpecificParams;
if (peff->cbTypeSpecificParams == sizeof(DICONDITION)) {
/* One condition block. This needs to be rotated to direction,
* and expanded to separate x and y conditions. */
int i;
double factor[2];
factor[0] = asin((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
factor[1] = acos((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
for (i = 0; i < 2; ++i) {
This->effect.u.condition[i].center = (int)(factor[i] * (tsp->lOffset / 10) * 32);
This->effect.u.condition[i].right_coeff = (int)(factor[i] * (tsp->lPositiveCoefficient / 10) * 32);
This->effect.u.condition[i].left_coeff = (int)(factor[i] * (tsp->lNegativeCoefficient / 10) * 32);
This->effect.u.condition[i].right_saturation = (int)(factor[i] * (tsp->dwPositiveSaturation / 10) * 32);
This->effect.u.condition[i].left_saturation = (int)(factor[i] * (tsp->dwNegativeSaturation / 10) * 32);
This->effect.u.condition[i].deadband = (int)(factor[i] * (tsp->lDeadBand / 10) * 32);
}
} else if (peff->cbTypeSpecificParams == 2 * sizeof(DICONDITION)) {
/* Two condition blocks. Direct parameter copy. */
int i;
for (i = 0; i < 2; ++i) {
This->effect.u.condition[i].center = (tsp[i].lOffset / 10) * 32;
This->effect.u.condition[i].right_coeff = (tsp[i].lPositiveCoefficient / 10) * 32;
This->effect.u.condition[i].left_coeff = (tsp[i].lNegativeCoefficient / 10) * 32;
This->effect.u.condition[i].right_saturation = (tsp[i].dwPositiveSaturation / 10) * 32;
This->effect.u.condition[i].left_saturation = (tsp[i].dwNegativeSaturation / 10) * 32;
This->effect.u.condition[i].deadband = (tsp[i].lDeadBand / 10) * 32;
}
} else {
return DIERR_INVALIDPARAM;
}
} else {
FIXME("Custom force types are not supported\n");
return DIERR_INVALIDPARAM;
}
}
if (!(dwFlags & DIEP_NODOWNLOAD))
retval = LinuxInputEffectImpl_Download(iface);
if (retval != DI_OK)
return DI_DOWNLOADSKIPPED;
if (dwFlags & DIEP_NORESTART)
TRACE("DIEP_NORESTART: not handled (we have no control of that).\n");
if (dwFlags & DIEP_START)
retval = LinuxInputEffectImpl_Start(iface, 1, 0);
if (retval != DI_OK)
return retval;
return DI_OK;
}
static HRESULT WINAPI LinuxInputEffectImpl_GetParameters(
LPDIRECTINPUTEFFECT iface,
LPDIEFFECT peff,
DWORD dwFlags)
{
HRESULT diErr = DI_OK;
LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
/* Major conversion factors are:
* times: millisecond (linux) -> microsecond (windows) (x * 1000)
* forces: scale 0x7FFF (linux) -> scale 10000 (windows) approx ((x / 33) * 10)
* angles: scale 0x7FFF (linux) -> scale 35999 (windows) approx ((x / 33) * 36)
* angle bases: 0 -> -y (down) (linux) -> 0 -> +x (right) (windows)
*/
if (dwFlags & DIEP_AXES) {
if (peff->cAxes < 2 /* linuxinput effects always use 2 axes, x and y */)
diErr = DIERR_MOREDATA;
peff->cAxes = 2;
if (diErr)
return diErr;
else {
peff->rgdwAxes[0] = DIJOFS_X;
peff->rgdwAxes[1] = DIJOFS_Y;
}
}
if (dwFlags & DIEP_DIRECTION) {
if (peff->cAxes < 2)
diErr = DIERR_MOREDATA;
peff->cAxes = 2;
if (diErr)
return diErr;
else {
if (peff->dwFlags & DIEFF_CARTESIAN) {
peff->rglDirection[0] = sin(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000;
peff->rglDirection[1] = cos(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000;
} else {
/* Polar and spherical coordinates are the same for two or less
* axes.
* Note that we also use this case if NO flags are marked.
* According to MSDN, we should return the direction in the
* format that it was specified in, if no flags are marked.
*/
peff->rglDirection[0] = (This->effect.direction / 33) * 36 + 9000;
if (peff->rglDirection[0] > 35999)
peff->rglDirection[0] -= 35999;
}
}
}
if (dwFlags & DIEP_DURATION) {
peff->dwDuration = (DWORD)This->effect.replay.length * 1000;
}
if (dwFlags & DIEP_ENVELOPE) {
struct ff_envelope* env;
if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
else env = NULL;
if (env == NULL) {
peff->lpEnvelope = NULL;
} else if (peff->lpEnvelope == NULL) {
return DIERR_INVALIDPARAM;
} else {
peff->lpEnvelope->dwAttackLevel = (env->attack_level / 33) * 10;
peff->lpEnvelope->dwAttackTime = env->attack_length * 1000;
peff->lpEnvelope->dwFadeLevel = (env->fade_level / 33) * 10;
peff->lpEnvelope->dwFadeTime = env->fade_length * 1000;
}
}
if (dwFlags & DIEP_GAIN) {
peff->dwGain = This->gain * 10000 / 0xFFFF;
}
if (dwFlags & DIEP_SAMPLEPERIOD) {
/* the linux input ff driver has no support for setting
* the playback sample period. 0 means default. */
peff->dwSamplePeriod = 0;
}
if (dwFlags & DIEP_STARTDELAY) {
peff->dwStartDelay = This->effect.replay.delay * 1000;
}
if (dwFlags & DIEP_TRIGGERBUTTON) {
FIXME("LinuxInput button mapping needs redoing; for now, assuming we're using an actual joystick.\n");
peff->dwTriggerButton = DIJOFS_BUTTON(This->effect.trigger.button - BTN_JOYSTICK);
}
if (dwFlags & DIEP_TRIGGERREPEATINTERVAL) {
peff->dwTriggerRepeatInterval = This->effect.trigger.interval * 1000;
}
if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
DWORD expectedsize = 0;
if (This->effect.type == FF_PERIODIC) {
expectedsize = sizeof(DIPERIODIC);
} else if (This->effect.type == FF_CONSTANT) {
expectedsize = sizeof(DICONSTANTFORCE);
} else if (This->effect.type == FF_SPRING
|| This->effect.type == FF_FRICTION
|| This->effect.type == FF_INERTIA
|| This->effect.type == FF_DAMPER) {
expectedsize = sizeof(DICONDITION) * 2;
} else if (This->effect.type == FF_RAMP) {
expectedsize = sizeof(DIRAMPFORCE);
}
if (expectedsize > peff->cbTypeSpecificParams)
diErr = DIERR_MOREDATA;
peff->cbTypeSpecificParams = expectedsize;
if (diErr)
return diErr;
else {
if (This->effect.type == FF_PERIODIC) {
LPDIPERIODIC tsp = peff->lpvTypeSpecificParams;
tsp->dwMagnitude = (This->effect.u.periodic.magnitude / 33) * 10;
tsp->lOffset = (This->effect.u.periodic.offset / 33) * 10;
tsp->dwPhase = (This->effect.u.periodic.phase / 33) * 36;
tsp->dwPeriod = (This->effect.u.periodic.period * 1000);
} else if (This->effect.type == FF_CONSTANT) {
LPDICONSTANTFORCE tsp = peff->lpvTypeSpecificParams;
tsp->lMagnitude = (This->effect.u.constant.level / 33) * 10;
} else if (This->effect.type == FF_SPRING
|| This->effect.type == FF_FRICTION
|| This->effect.type == FF_INERTIA
|| This->effect.type == FF_DAMPER) {
LPDICONDITION tsp = peff->lpvTypeSpecificParams;
int i;
for (i = 0; i < 2; ++i) {
tsp[i].lOffset = (This->effect.u.condition[i].center / 33) * 10;
tsp[i].lPositiveCoefficient = (This->effect.u.condition[i].right_coeff / 33) * 10;
tsp[i].lNegativeCoefficient = (This->effect.u.condition[i].left_coeff / 33) * 10;
tsp[i].dwPositiveSaturation = (This->effect.u.condition[i].right_saturation / 33) * 10;
tsp[i].dwNegativeSaturation = (This->effect.u.condition[i].left_saturation / 33) * 10;
tsp[i].lDeadBand = (This->effect.u.condition[i].deadband / 33) * 10;
}
} else if (This->effect.type == FF_RAMP) {
LPDIRAMPFORCE tsp = peff->lpvTypeSpecificParams;
tsp->lStart = (This->effect.u.ramp.start_level / 33) * 10;
tsp->lEnd = (This->effect.u.ramp.end_level / 33) * 10;
}
}
}
return diErr;
}