1 /* DirectInput Linux Event Device Effect
3 * Copyright 2005 Daniel Remenak
5 * Thanks to Google's Summer of Code Program (2005)
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
24 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
28 #ifdef HAVE_LINUX_INPUT_H
29 # include <linux/input.h>
37 #include "wine/debug.h"
38 #include "wine/unicode.h"
44 #include "device_private.h"
46 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
48 static const IDirectInputEffectVtbl LinuxInputEffectVtbl;
49 typedef struct LinuxInputEffectImpl LinuxInputEffectImpl;
50 struct LinuxInputEffectImpl
52 IDirectInputEffect IDirectInputEffect_iface;
56 struct ff_effect effect; /* Effect data */
57 int gain; /* Effect gain */
59 int* fd; /* Parent device */
60 struct list *entry; /* Entry into the parent's list of effects */
63 static inline LinuxInputEffectImpl *impl_from_IDirectInputEffect(IDirectInputEffect *iface)
65 return CONTAINING_RECORD(iface, LinuxInputEffectImpl, IDirectInputEffect_iface);
68 /******************************************************************************
69 * DirectInputEffect Functional Helper
72 static DWORD _typeFromGUID(REFGUID guid)
74 if (IsEqualGUID(guid, &GUID_ConstantForce)) {
75 return DIEFT_CONSTANTFORCE;
76 } else if (IsEqualGUID(guid, &GUID_Square)
77 || IsEqualGUID(guid, &GUID_Sine)
78 || IsEqualGUID(guid, &GUID_Triangle)
79 || IsEqualGUID(guid, &GUID_SawtoothUp)
80 || IsEqualGUID(guid, &GUID_SawtoothDown)) {
81 return DIEFT_PERIODIC;
82 } else if (IsEqualGUID(guid, &GUID_RampForce)) {
83 return DIEFT_RAMPFORCE;
84 } else if (IsEqualGUID(guid, &GUID_Spring)
85 || IsEqualGUID(guid, &GUID_Damper)
86 || IsEqualGUID(guid, &GUID_Inertia)
87 || IsEqualGUID(guid, &GUID_Friction)) {
88 return DIEFT_CONDITION;
89 } else if (IsEqualGUID(guid, &GUID_CustomForce)) {
90 return DIEFT_CUSTOMFORCE;
92 WARN("GUID (%s) is not a known force type\n", _dump_dinput_GUID(guid));
98 /******************************************************************************
99 * DirectInputEffect debug helpers
102 static void _dump_DIEFFECT_flags(DWORD dwFlags)
104 if (TRACE_ON(dinput)) {
106 static const struct {
110 #define FE(x) { x, #x}
113 FE(DIEFF_OBJECTOFFSETS),
118 for (i = 0; i < (sizeof(flags) / sizeof(flags[0])); i++)
119 if (flags[i].mask & dwFlags)
120 TRACE("%s ", flags[i].name);
125 static void _dump_DIENVELOPE(LPCDIENVELOPE env)
127 if (env->dwSize != sizeof(DIENVELOPE)) {
128 WARN("Non-standard DIENVELOPE structure size %d.\n", env->dwSize);
130 TRACE("Envelope has attack (level: %d time: %d), fade (level: %d time: %d)\n",
131 env->dwAttackLevel, env->dwAttackTime, env->dwFadeLevel, env->dwFadeTime);
134 static void _dump_DICONSTANTFORCE(LPCDICONSTANTFORCE frc)
136 TRACE("Constant force has magnitude %d\n", frc->lMagnitude);
139 static void _dump_DIPERIODIC(LPCDIPERIODIC frc)
141 TRACE("Periodic force has magnitude %d, offset %d, phase %d, period %d\n",
142 frc->dwMagnitude, frc->lOffset, frc->dwPhase, frc->dwPeriod);
145 static void _dump_DIRAMPFORCE(LPCDIRAMPFORCE frc)
147 TRACE("Ramp force has start %d, end %d\n",
148 frc->lStart, frc->lEnd);
151 static void _dump_DICONDITION(LPCDICONDITION frc)
153 TRACE("Condition has offset %d, pos/neg coefficients %d and %d, pos/neg saturations %d and %d, deadband %d\n",
154 frc->lOffset, frc->lPositiveCoefficient, frc->lNegativeCoefficient,
155 frc->dwPositiveSaturation, frc->dwNegativeSaturation, frc->lDeadBand);
158 static void _dump_DICUSTOMFORCE(LPCDICUSTOMFORCE frc)
161 TRACE("Custom force uses %d channels, sample period %d. Has %d samples at %p.\n",
162 frc->cChannels, frc->dwSamplePeriod, frc->cSamples, frc->rglForceData);
163 if (frc->cSamples % frc->cChannels != 0)
164 WARN("Custom force has a non-integral samples-per-channel count!\n");
165 if (TRACE_ON(dinput)) {
166 TRACE("Custom force data (time aligned, axes in order):\n");
167 for (i = 1; i <= frc->cSamples; ++i) {
168 TRACE("%d ", frc->rglForceData[i]);
169 if (i % frc->cChannels == 0)
175 static void _dump_DIEFFECT(LPCDIEFFECT eff, REFGUID guid)
178 DWORD type = _typeFromGUID(guid);
180 TRACE("Dumping DIEFFECT structure:\n");
181 TRACE(" - dwSize: %d\n", eff->dwSize);
182 if ((eff->dwSize != sizeof(DIEFFECT)) && (eff->dwSize != sizeof(DIEFFECT_DX5))) {
183 WARN("Non-standard DIEFFECT structure size %d\n", eff->dwSize);
185 TRACE(" - dwFlags: %d\n", eff->dwFlags);
187 _dump_DIEFFECT_flags(eff->dwFlags);
188 TRACE(" - dwDuration: %d\n", eff->dwDuration);
189 TRACE(" - dwGain: %d\n", eff->dwGain);
190 if (eff->dwGain > 10000)
191 WARN("dwGain is out of range (>10,000)\n");
192 TRACE(" - dwTriggerButton: %d\n", eff->dwTriggerButton);
193 TRACE(" - dwTriggerRepeatInterval: %d\n", eff->dwTriggerRepeatInterval);
194 TRACE(" - cAxes: %d\n", eff->cAxes);
195 TRACE(" - rgdwAxes: %p\n", eff->rgdwAxes);
196 if (TRACE_ON(dinput) && eff->rgdwAxes) {
198 for (i = 0; i < eff->cAxes; ++i)
199 TRACE("%d ", eff->rgdwAxes[i]);
202 TRACE(" - rglDirection: %p\n", eff->rglDirection);
203 TRACE(" - lpEnvelope: %p\n", eff->lpEnvelope);
204 TRACE(" - cbTypeSpecificParams: %d\n", eff->cbTypeSpecificParams);
205 TRACE(" - lpvTypeSpecificParams: %p\n", eff->lpvTypeSpecificParams);
206 if (eff->dwSize > sizeof(DIEFFECT_DX5))
207 TRACE(" - dwStartDelay: %d\n", eff->dwStartDelay);
208 if (eff->lpEnvelope != NULL)
209 _dump_DIENVELOPE(eff->lpEnvelope);
210 if (type == DIEFT_CONSTANTFORCE) {
211 if (eff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE)) {
212 WARN("Effect claims to be a constant force but the type-specific params are the wrong size!\n");
214 _dump_DICONSTANTFORCE(eff->lpvTypeSpecificParams);
216 } else if (type == DIEFT_PERIODIC) {
217 if (eff->cbTypeSpecificParams != sizeof(DIPERIODIC)) {
218 WARN("Effect claims to be a periodic force but the type-specific params are the wrong size!\n");
220 _dump_DIPERIODIC(eff->lpvTypeSpecificParams);
222 } else if (type == DIEFT_RAMPFORCE) {
223 if (eff->cbTypeSpecificParams != sizeof(DIRAMPFORCE)) {
224 WARN("Effect claims to be a ramp force but the type-specific params are the wrong size!\n");
226 _dump_DIRAMPFORCE(eff->lpvTypeSpecificParams);
228 } else if (type == DIEFT_CONDITION) {
229 if (eff->cbTypeSpecificParams != sizeof(DICONDITION)) {
230 WARN("Effect claims to be a condition but the type-specific params are the wrong size!\n");
232 _dump_DICONDITION(eff->lpvTypeSpecificParams);
234 } else if (type == DIEFT_CUSTOMFORCE) {
235 if (eff->cbTypeSpecificParams != sizeof(DICUSTOMFORCE)) {
236 WARN("Effect claims to be a custom force but the type-specific params are the wrong size!\n");
238 _dump_DICUSTOMFORCE(eff->lpvTypeSpecificParams);
244 /******************************************************************************
245 * LinuxInputEffectImpl
248 static ULONG WINAPI LinuxInputEffectImpl_AddRef(
249 LPDIRECTINPUTEFFECT iface)
251 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
252 return InterlockedIncrement(&(This->ref));
255 static HRESULT WINAPI LinuxInputEffectImpl_Download(
256 LPDIRECTINPUTEFFECT iface)
258 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
260 TRACE("(this=%p)\n", This);
262 if (ioctl(*(This->fd), EVIOCSFF, &This->effect) == -1) {
263 if (errno == ENOMEM) {
264 return DIERR_DEVICEFULL;
266 FIXME("Could not upload effect. Assuming a disconnected device %d \"%s\".\n", *This->fd, strerror(errno));
267 return DIERR_INPUTLOST;
274 static HRESULT WINAPI LinuxInputEffectImpl_Escape(
275 LPDIRECTINPUTEFFECT iface,
278 WARN("(this=%p,%p): invalid: no hardware-specific escape codes in this"
279 " driver!\n", iface, pesc);
284 static HRESULT WINAPI LinuxInputEffectImpl_GetEffectGuid(
285 LPDIRECTINPUTEFFECT iface,
288 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
290 TRACE("(this=%p,%p)\n", This, pguid);
297 static HRESULT WINAPI LinuxInputEffectImpl_GetEffectStatus(
298 LPDIRECTINPUTEFFECT iface,
301 TRACE("(this=%p,%p)\n", iface, pdwFlags);
303 /* linux sends the effect status through an event.
304 * that event is trapped by our parent joystick driver
305 * and there is no clean way to pass it back to us. */
306 FIXME("Not enough information to provide a status.\n");
313 static HRESULT WINAPI LinuxInputEffectImpl_GetParameters(
314 LPDIRECTINPUTEFFECT iface,
318 HRESULT diErr = DI_OK;
319 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
320 TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
322 /* Major conversion factors are:
323 * times: millisecond (linux) -> microsecond (windows) (x * 1000)
324 * forces: scale 0x7FFF (linux) -> scale 10000 (windows) approx ((x / 33) * 10)
325 * angles: scale 0x7FFF (linux) -> scale 35999 (windows) approx ((x / 33) * 36)
326 * angle bases: 0 -> -y (down) (linux) -> 0 -> +x (right) (windows)
329 if (dwFlags & DIEP_AXES) {
330 if (peff->cAxes < 2 /* linuxinput effects always use 2 axes, x and y */)
331 diErr = DIERR_MOREDATA;
336 peff->rgdwAxes[0] = DIJOFS_X;
337 peff->rgdwAxes[1] = DIJOFS_Y;
341 if (dwFlags & DIEP_DIRECTION) {
343 diErr = DIERR_MOREDATA;
348 if (peff->dwFlags & DIEFF_CARTESIAN) {
349 peff->rglDirection[0] = sin(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000;
350 peff->rglDirection[1] = cos(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000;
352 /* Polar and spherical coordinates are the same for two or less
354 * Note that we also use this case if NO flags are marked.
355 * According to MSDN, we should return the direction in the
356 * format that it was specified in, if no flags are marked.
358 peff->rglDirection[0] = (This->effect.direction / 33) * 36 + 9000;
359 if (peff->rglDirection[0] > 35999)
360 peff->rglDirection[0] -= 35999;
365 if (dwFlags & DIEP_DURATION) {
366 peff->dwDuration = (DWORD)This->effect.replay.length * 1000;
369 if (dwFlags & DIEP_ENVELOPE) {
370 struct ff_envelope* env;
371 if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
372 else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
373 else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
376 peff->lpEnvelope = NULL;
377 } else if (peff->lpEnvelope == NULL) {
378 return DIERR_INVALIDPARAM;
380 peff->lpEnvelope->dwAttackLevel = (env->attack_level / 33) * 10;
381 peff->lpEnvelope->dwAttackTime = env->attack_length * 1000;
382 peff->lpEnvelope->dwFadeLevel = (env->fade_level / 33) * 10;
383 peff->lpEnvelope->dwFadeTime = env->fade_length * 1000;
387 if (dwFlags & DIEP_GAIN) {
388 peff->dwGain = This->gain * 10000 / 0xFFFF;
391 if (dwFlags & DIEP_SAMPLEPERIOD) {
392 /* the linux input ff driver has no support for setting
393 * the playback sample period. 0 means default. */
394 peff->dwSamplePeriod = 0;
397 if (dwFlags & DIEP_STARTDELAY) {
398 peff->dwStartDelay = This->effect.replay.delay * 1000;
401 if (dwFlags & DIEP_TRIGGERBUTTON) {
402 FIXME("LinuxInput button mapping needs redoing; for now, assuming we're using an actual joystick.\n");
403 peff->dwTriggerButton = DIJOFS_BUTTON(This->effect.trigger.button - BTN_JOYSTICK);
406 if (dwFlags & DIEP_TRIGGERREPEATINTERVAL) {
407 peff->dwTriggerRepeatInterval = This->effect.trigger.interval * 1000;
410 if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
411 DWORD expectedsize = 0;
412 if (This->effect.type == FF_PERIODIC) {
413 expectedsize = sizeof(DIPERIODIC);
414 } else if (This->effect.type == FF_CONSTANT) {
415 expectedsize = sizeof(DICONSTANTFORCE);
416 } else if (This->effect.type == FF_SPRING
417 || This->effect.type == FF_FRICTION
418 || This->effect.type == FF_INERTIA
419 || This->effect.type == FF_DAMPER) {
420 expectedsize = sizeof(DICONDITION) * 2;
421 } else if (This->effect.type == FF_RAMP) {
422 expectedsize = sizeof(DIRAMPFORCE);
424 if (expectedsize > peff->cbTypeSpecificParams)
425 diErr = DIERR_MOREDATA;
426 peff->cbTypeSpecificParams = expectedsize;
430 if (This->effect.type == FF_PERIODIC) {
431 LPDIPERIODIC tsp = peff->lpvTypeSpecificParams;
432 tsp->dwMagnitude = (This->effect.u.periodic.magnitude / 33) * 10;
433 tsp->lOffset = (This->effect.u.periodic.offset / 33) * 10;
434 tsp->dwPhase = (This->effect.u.periodic.phase / 33) * 36;
435 tsp->dwPeriod = (This->effect.u.periodic.period * 1000);
436 } else if (This->effect.type == FF_CONSTANT) {
437 LPDICONSTANTFORCE tsp = peff->lpvTypeSpecificParams;
438 tsp->lMagnitude = (This->effect.u.constant.level / 33) * 10;
439 } else if (This->effect.type == FF_SPRING
440 || This->effect.type == FF_FRICTION
441 || This->effect.type == FF_INERTIA
442 || This->effect.type == FF_DAMPER) {
443 LPDICONDITION tsp = peff->lpvTypeSpecificParams;
445 for (i = 0; i < 2; ++i) {
446 tsp[i].lOffset = (This->effect.u.condition[i].center / 33) * 10;
447 tsp[i].lPositiveCoefficient = (This->effect.u.condition[i].right_coeff / 33) * 10;
448 tsp[i].lNegativeCoefficient = (This->effect.u.condition[i].left_coeff / 33) * 10;
449 tsp[i].dwPositiveSaturation = (This->effect.u.condition[i].right_saturation / 33) * 10;
450 tsp[i].dwNegativeSaturation = (This->effect.u.condition[i].left_saturation / 33) * 10;
451 tsp[i].lDeadBand = (This->effect.u.condition[i].deadband / 33) * 10;
453 } else if (This->effect.type == FF_RAMP) {
454 LPDIRAMPFORCE tsp = peff->lpvTypeSpecificParams;
455 tsp->lStart = (This->effect.u.ramp.start_level / 33) * 10;
456 tsp->lEnd = (This->effect.u.ramp.end_level / 33) * 10;
464 static HRESULT WINAPI LinuxInputEffectImpl_Initialize(
465 LPDIRECTINPUTEFFECT iface,
470 FIXME("(this=%p,%p,%d,%s): stub!\n",
471 iface, hinst, dwVersion, debugstr_guid(rguid));
476 static HRESULT WINAPI LinuxInputEffectImpl_QueryInterface(
477 LPDIRECTINPUTEFFECT iface,
481 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
483 TRACE("(this=%p,%s,%p)\n", This, debugstr_guid(riid), ppvObject);
485 if (IsEqualGUID(&IID_IUnknown, riid) ||
486 IsEqualGUID(&IID_IDirectInputEffect, riid)) {
487 LinuxInputEffectImpl_AddRef(iface);
492 TRACE("Unsupported interface!\n");
496 static HRESULT WINAPI LinuxInputEffectImpl_Start(
497 LPDIRECTINPUTEFFECT iface,
501 struct input_event event;
502 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
504 TRACE("(this=%p,%d,%d)\n", This, dwIterations, dwFlags);
506 if (!(dwFlags & DIES_NODOWNLOAD)) {
507 /* Download the effect if necessary */
508 if (This->effect.id == -1) {
509 HRESULT res = LinuxInputEffectImpl_Download(iface);
515 if (dwFlags & DIES_SOLO) {
516 FIXME("Solo mode requested: should be stopping all effects here!\n");
520 event.code = This->effect.id;
521 event.value = dwIterations;
522 if (write(*(This->fd), &event, sizeof(event)) == -1) {
523 FIXME("Unable to write event. Assuming device disconnected.\n");
524 return DIERR_INPUTLOST;
530 static HRESULT WINAPI LinuxInputEffectImpl_SetParameters(
531 LPDIRECTINPUTEFFECT iface,
535 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
536 DWORD type = _typeFromGUID(&This->guid);
537 HRESULT retval = DI_OK;
539 TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
541 _dump_DIEFFECT(peff, &This->guid);
543 if ((dwFlags & ~DIEP_NORESTART & ~DIEP_NODOWNLOAD & ~DIEP_START) == 0) {
545 dwFlags = DIEP_AXES | DIEP_DIRECTION | DIEP_DURATION | DIEP_ENVELOPE |
546 DIEP_GAIN | DIEP_SAMPLEPERIOD | DIEP_STARTDELAY | DIEP_TRIGGERBUTTON |
547 DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
550 if (dwFlags & DIEP_AXES) {
551 /* the linux input effect system only supports one or two axes */
553 return DIERR_INVALIDPARAM;
554 else if (peff->cAxes < 1)
555 return DIERR_INCOMPLETEEFFECT;
556 This->first_axis_is_x = peff->rgdwAxes[0] == DIJOFS_X;
559 /* some of this may look funky, but it's 'cause the linux driver and directx have
560 * different opinions about which way direction "0" is. directx has 0 along the x
561 * axis (left), linux has it along the y axis (down). */
562 if (dwFlags & DIEP_DIRECTION) {
563 if (peff->cAxes == 1) {
564 if (peff->dwFlags & DIEFF_CARTESIAN) {
565 if (dwFlags & DIEP_AXES) {
566 if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] >= 0)
567 This->effect.direction = 0x4000;
568 else if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] < 0)
569 This->effect.direction = 0xC000;
570 else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] >= 0)
571 This->effect.direction = 0;
572 else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] < 0)
573 This->effect.direction = 0x8000;
576 /* one-axis effects must use cartesian coords */
577 return DIERR_INVALIDPARAM;
579 } else { /* two axes */
580 if (peff->dwFlags & DIEFF_CARTESIAN) {
582 if (This->first_axis_is_x) {
583 x = peff->rglDirection[0];
584 y = peff->rglDirection[1];
586 x = peff->rglDirection[1];
587 y = peff->rglDirection[0];
589 This->effect.direction = (int)((3 * M_PI / 2 - atan2(y, x)) * -0x7FFF / M_PI);
591 /* Polar and spherical are the same for 2 axes */
592 /* Precision is important here, so we do double math with exact constants */
593 This->effect.direction = (int)(((double)peff->rglDirection[0] - 90) / 35999) * 0x7FFF;
598 if (dwFlags & DIEP_DURATION)
599 This->effect.replay.length = peff->dwDuration / 1000;
601 if (dwFlags & DIEP_ENVELOPE) {
602 struct ff_envelope* env;
603 if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
604 else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
605 else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
608 if (peff->lpEnvelope == NULL) {
609 /* if this type had an envelope, reset it
610 * note that length can never be zero, so we set it to something minuscule */
612 env->attack_length = 0x10;
613 env->attack_level = 0x7FFF;
614 env->fade_length = 0x10;
615 env->fade_level = 0x7FFF;
618 /* did we get passed an envelope for a type that doesn't even have one? */
619 if (!env) return DIERR_INVALIDPARAM;
620 /* copy the envelope */
621 env->attack_length = peff->lpEnvelope->dwAttackTime / 1000;
622 env->attack_level = (peff->lpEnvelope->dwAttackLevel / 10) * 32;
623 env->fade_length = peff->lpEnvelope->dwFadeTime / 1000;
624 env->fade_level = (peff->lpEnvelope->dwFadeLevel / 10) * 32;
628 /* Gain and Sample Period settings are not supported by the linux
630 if (dwFlags & DIEP_GAIN) {
631 This->gain = 0xFFFF * peff->dwGain / 10000;
632 TRACE("Effect gain requested but no effect gain functionality present.\n");
635 if (dwFlags & DIEP_SAMPLEPERIOD)
636 TRACE("Sample period requested but no sample period functionality present.\n");
638 if (dwFlags & DIEP_STARTDELAY)
639 This->effect.replay.delay = peff->dwStartDelay / 1000;
641 if (dwFlags & DIEP_TRIGGERBUTTON) {
642 if (peff->dwTriggerButton != -1) {
643 FIXME("Linuxinput button mapping needs redoing, assuming we're using a joystick.\n");
644 FIXME("Trigger button translation not yet implemented!\n");
646 This->effect.trigger.button = 0;
649 if (dwFlags & DIEP_TRIGGERREPEATINTERVAL)
650 This->effect.trigger.interval = peff->dwTriggerRepeatInterval / 1000;
652 if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
653 if (!(peff->lpvTypeSpecificParams))
654 return DIERR_INCOMPLETEEFFECT;
655 if (type == DIEFT_PERIODIC) {
657 if (peff->cbTypeSpecificParams != sizeof(DIPERIODIC))
658 return DIERR_INVALIDPARAM;
659 tsp = peff->lpvTypeSpecificParams;
660 This->effect.u.periodic.magnitude = (tsp->dwMagnitude / 10) * 32;
661 This->effect.u.periodic.offset = (tsp->lOffset / 10) * 32;
662 This->effect.u.periodic.phase = (tsp->dwPhase / 9) * 8; /* == (/ 36 * 32) */
663 This->effect.u.periodic.period = tsp->dwPeriod / 1000;
664 } else if (type == DIEFT_CONSTANTFORCE) {
665 LPCDICONSTANTFORCE tsp;
666 if (peff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE))
667 return DIERR_INVALIDPARAM;
668 tsp = peff->lpvTypeSpecificParams;
669 This->effect.u.constant.level = (max(min(tsp->lMagnitude, 10000), -10000) / 10) * 32;
670 } else if (type == DIEFT_RAMPFORCE) {
672 if (peff->cbTypeSpecificParams != sizeof(DIRAMPFORCE))
673 return DIERR_INVALIDPARAM;
674 tsp = peff->lpvTypeSpecificParams;
675 This->effect.u.ramp.start_level = (tsp->lStart / 10) * 32;
676 This->effect.u.ramp.end_level = (tsp->lStart / 10) * 32;
677 } else if (type == DIEFT_CONDITION) {
678 LPCDICONDITION tsp = peff->lpvTypeSpecificParams;
679 if (peff->cbTypeSpecificParams == sizeof(DICONDITION)) {
680 /* One condition block. This needs to be rotated to direction,
681 * and expanded to separate x and y conditions. */
684 factor[0] = asin((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
685 factor[1] = acos((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
686 for (i = 0; i < 2; ++i) {
687 This->effect.u.condition[i].center = (int)(factor[i] * (tsp->lOffset / 10) * 32);
688 This->effect.u.condition[i].right_coeff = (int)(factor[i] * (tsp->lPositiveCoefficient / 10) * 32);
689 This->effect.u.condition[i].left_coeff = (int)(factor[i] * (tsp->lNegativeCoefficient / 10) * 32);
690 This->effect.u.condition[i].right_saturation = (int)(factor[i] * (tsp->dwPositiveSaturation / 10) * 32);
691 This->effect.u.condition[i].left_saturation = (int)(factor[i] * (tsp->dwNegativeSaturation / 10) * 32);
692 This->effect.u.condition[i].deadband = (int)(factor[i] * (tsp->lDeadBand / 10) * 32);
694 } else if (peff->cbTypeSpecificParams == 2 * sizeof(DICONDITION)) {
695 /* Two condition blocks. Direct parameter copy. */
697 for (i = 0; i < 2; ++i) {
698 This->effect.u.condition[i].center = (tsp[i].lOffset / 10) * 32;
699 This->effect.u.condition[i].right_coeff = (tsp[i].lPositiveCoefficient / 10) * 32;
700 This->effect.u.condition[i].left_coeff = (tsp[i].lNegativeCoefficient / 10) * 32;
701 This->effect.u.condition[i].right_saturation = (tsp[i].dwPositiveSaturation / 10) * 32;
702 This->effect.u.condition[i].left_saturation = (tsp[i].dwNegativeSaturation / 10) * 32;
703 This->effect.u.condition[i].deadband = (tsp[i].lDeadBand / 10) * 32;
706 return DIERR_INVALIDPARAM;
709 FIXME("Custom force types are not supported\n");
710 return DIERR_INVALIDPARAM;
714 if (!(dwFlags & DIEP_NODOWNLOAD))
715 retval = LinuxInputEffectImpl_Download(iface);
717 return DI_DOWNLOADSKIPPED;
719 if (dwFlags & DIEP_NORESTART)
720 TRACE("DIEP_NORESTART: not handled (we have no control of that).\n");
722 if (dwFlags & DIEP_START)
723 retval = LinuxInputEffectImpl_Start(iface, 1, 0);
730 static HRESULT WINAPI LinuxInputEffectImpl_Stop(
731 LPDIRECTINPUTEFFECT iface)
733 struct input_event event;
734 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
736 TRACE("(this=%p)\n", This);
739 event.code = This->effect.id;
741 /* we don't care about the success or failure of this call */
742 write(*(This->fd), &event, sizeof(event));
747 static HRESULT WINAPI LinuxInputEffectImpl_Unload(
748 LPDIRECTINPUTEFFECT iface)
750 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
751 TRACE("(this=%p)\n", This);
753 /* Erase the downloaded effect */
754 if (ioctl(*(This->fd), EVIOCRMFF, This->effect.id) == -1)
755 return DIERR_INVALIDPARAM;
757 /* Mark the effect as deallocated */
758 This->effect.id = -1;
763 static ULONG WINAPI LinuxInputEffectImpl_Release(LPDIRECTINPUTEFFECT iface)
765 LinuxInputEffectImpl *This = impl_from_IDirectInputEffect(iface);
766 ULONG ref = InterlockedDecrement(&(This->ref));
770 LinuxInputEffectImpl_Stop(iface);
771 LinuxInputEffectImpl_Unload(iface);
772 list_remove(This->entry);
773 HeapFree(GetProcessHeap(), 0, LIST_ENTRY(This->entry, effect_list_item, entry));
774 HeapFree(GetProcessHeap(), 0, This);
779 /******************************************************************************
783 HRESULT linuxinput_create_effect(
786 struct list *parent_list_entry,
787 LPDIRECTINPUTEFFECT* peff)
789 LinuxInputEffectImpl* newEffect = HeapAlloc(GetProcessHeap(),
790 HEAP_ZERO_MEMORY, sizeof(LinuxInputEffectImpl));
791 DWORD type = _typeFromGUID(rguid);
793 newEffect->IDirectInputEffect_iface.lpVtbl = &LinuxInputEffectVtbl;
795 newEffect->guid = *rguid;
797 newEffect->gain = 0xFFFF;
799 /* set the type. this cannot be changed over the effect's life. */
802 newEffect->effect.type = FF_PERIODIC;
803 if (IsEqualGUID(rguid, &GUID_Sine)) {
804 newEffect->effect.u.periodic.waveform = FF_SINE;
805 } else if (IsEqualGUID(rguid, &GUID_Triangle)) {
806 newEffect->effect.u.periodic.waveform = FF_TRIANGLE;
807 } else if (IsEqualGUID(rguid, &GUID_Square)) {
808 newEffect->effect.u.periodic.waveform = FF_SQUARE;
809 } else if (IsEqualGUID(rguid, &GUID_SawtoothUp)) {
810 newEffect->effect.u.periodic.waveform = FF_SAW_UP;
811 } else if (IsEqualGUID(rguid, &GUID_SawtoothDown)) {
812 newEffect->effect.u.periodic.waveform = FF_SAW_DOWN;
815 case DIEFT_CONSTANTFORCE:
816 newEffect->effect.type = FF_CONSTANT;
818 case DIEFT_RAMPFORCE:
819 newEffect->effect.type = FF_RAMP;
821 case DIEFT_CONDITION:
822 if (IsEqualGUID(rguid, &GUID_Spring)) {
823 newEffect->effect.type = FF_SPRING;
824 } else if (IsEqualGUID(rguid, &GUID_Friction)) {
825 newEffect->effect.type = FF_FRICTION;
826 } else if (IsEqualGUID(rguid, &GUID_Inertia)) {
827 newEffect->effect.type = FF_INERTIA;
828 } else if (IsEqualGUID(rguid, &GUID_Damper)) {
829 newEffect->effect.type = FF_DAMPER;
832 case DIEFT_CUSTOMFORCE:
833 FIXME("Custom forces are not supported.\n");
834 HeapFree(GetProcessHeap(), 0, newEffect);
835 return DIERR_INVALIDPARAM;
837 FIXME("Unknown force type 0x%x.\n", type);
838 HeapFree(GetProcessHeap(), 0, newEffect);
839 return DIERR_INVALIDPARAM;
842 /* mark as non-uploaded */
843 newEffect->effect.id = -1;
845 newEffect->entry = parent_list_entry;
847 *peff = &newEffect->IDirectInputEffect_iface;
849 TRACE("Creating linux input system effect (%p) with guid %s\n",
850 *peff, _dump_dinput_GUID(rguid));
855 HRESULT linuxinput_get_info_A(
858 LPDIEFFECTINFOA info)
860 DWORD type = _typeFromGUID(rguid);
862 TRACE("(%d, %s, %p) type=%d\n", fd, _dump_dinput_GUID(rguid), info, type);
864 if (!info) return E_POINTER;
866 if (info->dwSize != sizeof(DIEFFECTINFOA)) return DIERR_INVALIDPARAM;
870 info->dwEffType = type;
871 /* the event device API does not support querying for all these things
872 * therefore we assume that we have support for them
873 * that's not as dangerous as it sounds, since drivers are allowed to
874 * ignore parameters they claim to support anyway */
875 info->dwEffType |= DIEFT_DEADBAND | DIEFT_FFATTACK | DIEFT_FFFADE
876 | DIEFT_POSNEGCOEFFICIENTS | DIEFT_POSNEGSATURATION
877 | DIEFT_SATURATION | DIEFT_STARTDELAY;
879 /* again, assume we have support for everything */
880 info->dwStaticParams = DIEP_ALLPARAMS;
881 info->dwDynamicParams = info->dwStaticParams;
883 /* yes, this is windows behavior (print the GUID_Name for name) */
884 strcpy(info->tszName, _dump_dinput_GUID(rguid));
889 HRESULT linuxinput_get_info_W(
892 LPDIEFFECTINFOW info)
894 DWORD type = _typeFromGUID(rguid);
896 TRACE("(%d, %s, %p) type=%d\n", fd, _dump_dinput_GUID(rguid), info, type);
898 if (!info) return E_POINTER;
900 if (info->dwSize != sizeof(DIEFFECTINFOW)) return DIERR_INVALIDPARAM;
904 info->dwEffType = type;
905 /* the event device API does not support querying for all these things
906 * therefore we assume that we have support for them
907 * that's not as dangerous as it sounds, since drivers are allowed to
908 * ignore parameters they claim to support anyway */
909 info->dwEffType |= DIEFT_DEADBAND | DIEFT_FFATTACK | DIEFT_FFFADE
910 | DIEFT_POSNEGCOEFFICIENTS | DIEFT_POSNEGSATURATION
911 | DIEFT_SATURATION | DIEFT_STARTDELAY;
913 /* again, assume we have support for everything */
914 info->dwStaticParams = DIEP_ALLPARAMS;
915 info->dwDynamicParams = info->dwStaticParams;
917 /* yes, this is windows behavior (print the GUID_Name for name) */
918 MultiByteToWideChar(CP_ACP, 0, _dump_dinput_GUID(rguid), -1,
919 info->tszName, MAX_PATH);
924 static const IDirectInputEffectVtbl LinuxInputEffectVtbl = {
925 LinuxInputEffectImpl_QueryInterface,
926 LinuxInputEffectImpl_AddRef,
927 LinuxInputEffectImpl_Release,
928 LinuxInputEffectImpl_Initialize,
929 LinuxInputEffectImpl_GetEffectGuid,
930 LinuxInputEffectImpl_GetParameters,
931 LinuxInputEffectImpl_SetParameters,
932 LinuxInputEffectImpl_Start,
933 LinuxInputEffectImpl_Stop,
934 LinuxInputEffectImpl_GetEffectStatus,
935 LinuxInputEffectImpl_Download,
936 LinuxInputEffectImpl_Unload,
937 LinuxInputEffectImpl_Escape
940 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */