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
56 struct ff_effect effect; /* Effect data */
57 int* fd; /* Parent device */
58 struct list *entry; /* Entry into the parent's list of effects */
62 /******************************************************************************
63 * DirectInputEffect Functional Helper
66 static DWORD _typeFromGUID(REFGUID guid)
68 if (IsEqualGUID(guid, &GUID_ConstantForce)) {
69 return DIEFT_CONSTANTFORCE;
70 } else if (IsEqualGUID(guid, &GUID_Square)
71 || IsEqualGUID(guid, &GUID_Sine)
72 || IsEqualGUID(guid, &GUID_Triangle)
73 || IsEqualGUID(guid, &GUID_SawtoothUp)
74 || IsEqualGUID(guid, &GUID_SawtoothDown)) {
75 return DIEFT_PERIODIC;
76 } else if (IsEqualGUID(guid, &GUID_RampForce)) {
77 return DIEFT_RAMPFORCE;
78 } else if (IsEqualGUID(guid, &GUID_Spring)
79 || IsEqualGUID(guid, &GUID_Damper)
80 || IsEqualGUID(guid, &GUID_Inertia)
81 || IsEqualGUID(guid, &GUID_Friction)) {
82 return DIEFT_CONDITION;
83 } else if (IsEqualGUID(guid, &GUID_CustomForce)) {
84 return DIEFT_CUSTOMFORCE;
86 WARN("GUID (%s) is not a known force type\n", _dump_dinput_GUID(guid));
92 /******************************************************************************
93 * DirectInputEffect debug helpers
96 static void _dump_DIEFFECT_flags(DWORD dwFlags)
98 if (TRACE_ON(dinput)) {
100 static const struct {
104 #define FE(x) { x, #x}
107 FE(DIEFF_OBJECTOFFSETS),
112 for (i = 0; i < (sizeof(flags) / sizeof(flags[0])); i++)
113 if (flags[i].mask & dwFlags)
114 TRACE("%s ", flags[i].name);
119 static void _dump_DIENVELOPE(LPCDIENVELOPE env)
121 if (env->dwSize != sizeof(DIENVELOPE)) {
122 WARN("Non-standard DIENVELOPE structure size %d.\n", env->dwSize);
124 TRACE("Envelope has attack (level: %d time: %d), fade (level: %d time: %d)\n",
125 env->dwAttackLevel, env->dwAttackTime, env->dwFadeLevel, env->dwFadeTime);
128 static void _dump_DICONSTANTFORCE(LPCDICONSTANTFORCE frc)
130 TRACE("Constant force has magnitude %d\n", frc->lMagnitude);
133 static void _dump_DIPERIODIC(LPCDIPERIODIC frc)
135 TRACE("Periodic force has magnitude %d, offset %d, phase %d, period %d\n",
136 frc->dwMagnitude, frc->lOffset, frc->dwPhase, frc->dwPeriod);
139 static void _dump_DIRAMPFORCE(LPCDIRAMPFORCE frc)
141 TRACE("Ramp force has start %d, end %d\n",
142 frc->lStart, frc->lEnd);
145 static void _dump_DICONDITION(LPCDICONDITION frc)
147 TRACE("Condition has offset %d, pos/neg coefficients %d and %d, pos/neg saturations %d and %d, deadband %d\n",
148 frc->lOffset, frc->lPositiveCoefficient, frc->lNegativeCoefficient,
149 frc->dwPositiveSaturation, frc->dwNegativeSaturation, frc->lDeadBand);
152 static void _dump_DICUSTOMFORCE(LPCDICUSTOMFORCE frc)
155 TRACE("Custom force uses %d channels, sample period %d. Has %d samples at %p.\n",
156 frc->cChannels, frc->dwSamplePeriod, frc->cSamples, frc->rglForceData);
157 if (frc->cSamples % frc->cChannels != 0)
158 WARN("Custom force has a non-integral samples-per-channel count!\n");
159 if (TRACE_ON(dinput)) {
160 TRACE("Custom force data (time aligned, axes in order):\n");
161 for (i = 1; i <= frc->cSamples; ++i) {
162 TRACE("%d ", frc->rglForceData[i]);
163 if (i % frc->cChannels == 0)
169 static void _dump_DIEFFECT(LPCDIEFFECT eff, REFGUID guid)
172 DWORD type = _typeFromGUID(guid);
174 TRACE("Dumping DIEFFECT structure:\n");
175 TRACE(" - dwSize: %d\n", eff->dwSize);
176 if ((eff->dwSize != sizeof(DIEFFECT)) && (eff->dwSize != sizeof(DIEFFECT_DX5))) {
177 WARN("Non-standard DIEFFECT structure size %d\n", eff->dwSize);
179 TRACE(" - dwFlags: %d\n", eff->dwFlags);
181 _dump_DIEFFECT_flags(eff->dwFlags);
182 TRACE(" - dwDuration: %d\n", eff->dwDuration);
183 TRACE(" - dwGain: %d\n", eff->dwGain);
184 if (eff->dwGain > 10000)
185 WARN("dwGain is out of range (>10,000)\n");
186 TRACE(" - dwTriggerButton: %d\n", eff->dwTriggerButton);
187 TRACE(" - dwTriggerRepeatInterval: %d\n", eff->dwTriggerRepeatInterval);
188 TRACE(" - cAxes: %d\n", eff->cAxes);
189 TRACE(" - rgdwAxes: %p\n", eff->rgdwAxes);
190 if (TRACE_ON(dinput) && eff->rgdwAxes) {
192 for (i = 0; i < eff->cAxes; ++i)
193 TRACE("%d ", eff->rgdwAxes[i]);
196 TRACE(" - rglDirection: %p\n", eff->rglDirection);
197 TRACE(" - lpEnvelope: %p\n", eff->lpEnvelope);
198 TRACE(" - cbTypeSpecificParams: %d\n", eff->cbTypeSpecificParams);
199 TRACE(" - lpvTypeSpecificParams: %p\n", eff->lpvTypeSpecificParams);
200 if (eff->dwSize > sizeof(DIEFFECT_DX5))
201 TRACE(" - dwStartDelay: %d\n", eff->dwStartDelay);
202 if (eff->lpEnvelope != NULL)
203 _dump_DIENVELOPE(eff->lpEnvelope);
204 if (type == DIEFT_CONSTANTFORCE) {
205 if (eff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE)) {
206 WARN("Effect claims to be a constant force but the type-specific params are the wrong size!\n");
208 _dump_DICONSTANTFORCE(eff->lpvTypeSpecificParams);
210 } else if (type == DIEFT_PERIODIC) {
211 if (eff->cbTypeSpecificParams != sizeof(DIPERIODIC)) {
212 WARN("Effect claims to be a periodic force but the type-specific params are the wrong size!\n");
214 _dump_DIPERIODIC(eff->lpvTypeSpecificParams);
216 } else if (type == DIEFT_RAMPFORCE) {
217 if (eff->cbTypeSpecificParams != sizeof(DIRAMPFORCE)) {
218 WARN("Effect claims to be a ramp force but the type-specific params are the wrong size!\n");
220 _dump_DIRAMPFORCE(eff->lpvTypeSpecificParams);
222 } else if (type == DIEFT_CONDITION) {
223 if (eff->cbTypeSpecificParams != sizeof(DICONDITION)) {
224 WARN("Effect claims to be a condition but the type-specific params are the wrong size!\n");
226 _dump_DICONDITION(eff->lpvTypeSpecificParams);
228 } else if (type == DIEFT_CUSTOMFORCE) {
229 if (eff->cbTypeSpecificParams != sizeof(DICUSTOMFORCE)) {
230 WARN("Effect claims to be a custom force but the type-specific params are the wrong size!\n");
232 _dump_DICUSTOMFORCE(eff->lpvTypeSpecificParams);
238 /******************************************************************************
239 * LinuxInputEffectImpl
242 static ULONG WINAPI LinuxInputEffectImpl_AddRef(
243 LPDIRECTINPUTEFFECT iface)
245 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
246 return InterlockedIncrement(&(This->ref));
249 static HRESULT WINAPI LinuxInputEffectImpl_Download(
250 LPDIRECTINPUTEFFECT iface)
252 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
254 TRACE("(this=%p)\n", This);
256 if (ioctl(*(This->fd), EVIOCSFF, &This->effect) == -1) {
257 if (errno == ENOMEM) {
258 return DIERR_DEVICEFULL;
260 FIXME("Could not upload effect. Assuming a disconnected device %d \"%s\".\n", *This->fd, strerror(errno));
261 return DIERR_INPUTLOST;
268 static HRESULT WINAPI LinuxInputEffectImpl_Escape(
269 LPDIRECTINPUTEFFECT iface,
272 WARN("(this=%p,%p): invalid: no hardware-specific escape codes in this"
273 " driver!\n", iface, pesc);
278 static HRESULT WINAPI LinuxInputEffectImpl_GetEffectGuid(
279 LPDIRECTINPUTEFFECT iface,
282 LinuxInputEffectImpl *This = (LinuxInputEffectImpl*)iface;
284 TRACE("(this=%p,%p)\n", This, pguid);
291 static HRESULT WINAPI LinuxInputEffectImpl_GetEffectStatus(
292 LPDIRECTINPUTEFFECT iface,
295 TRACE("(this=%p,%p)\n", iface, pdwFlags);
297 /* linux sends the effect status through an event.
298 * that event is trapped by our parent joystick driver
299 * and there is no clean way to pass it back to us. */
300 FIXME("Not enough information to provide a status.\n");
307 static HRESULT WINAPI LinuxInputEffectImpl_GetParameters(
308 LPDIRECTINPUTEFFECT iface,
312 HRESULT diErr = DI_OK;
313 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
314 TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
316 /* Major conversion factors are:
317 * times: millisecond (linux) -> microsecond (windows) (x * 1000)
318 * forces: scale 0x7FFF (linux) -> scale 10000 (windows) approx ((x / 33) * 10)
319 * angles: scale 0x7FFF (linux) -> scale 35999 (windows) approx ((x / 33) * 36)
320 * angle bases: 0 -> -y (down) (linux) -> 0 -> +x (right) (windows)
323 if (dwFlags & DIEP_AXES) {
324 if (peff->cAxes < 2 /* linuxinput effects always use 2 axes, x and y */)
325 diErr = DIERR_MOREDATA;
330 peff->rgdwAxes[0] = DIJOFS_X;
331 peff->rgdwAxes[1] = DIJOFS_Y;
335 if (dwFlags & DIEP_DIRECTION) {
337 diErr = DIERR_MOREDATA;
342 if (peff->dwFlags & DIEFF_CARTESIAN) {
343 peff->rglDirection[0] = (long)(sin(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000);
344 peff->rglDirection[1] = (long)(cos(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000);
346 /* Polar and spherical coordinates are the same for two or less
348 * Note that we also use this case if NO flags are marked.
349 * According to MSDN, we should return the direction in the
350 * format that it was specified in, if no flags are marked.
352 peff->rglDirection[0] = (This->effect.direction / 33) * 36 + 9000;
353 if (peff->rglDirection[0] > 35999)
354 peff->rglDirection[0] -= 35999;
359 if (dwFlags & DIEP_DURATION) {
360 peff->dwDuration = (DWORD)This->effect.replay.length * 1000;
363 if (dwFlags & DIEP_ENVELOPE) {
364 struct ff_envelope* env;
365 if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
366 else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
367 else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
370 peff->lpEnvelope = NULL;
371 } else if (peff->lpEnvelope == NULL) {
372 return DIERR_INVALIDPARAM;
374 peff->lpEnvelope->dwAttackLevel = (env->attack_level / 33) * 10;
375 peff->lpEnvelope->dwAttackTime = env->attack_length * 1000;
376 peff->lpEnvelope->dwFadeLevel = (env->fade_level / 33) * 10;
377 peff->lpEnvelope->dwFadeTime = env->fade_length * 1000;
381 if (dwFlags & DIEP_GAIN) {
382 /* the linux input ff driver apparently has no support
383 * for setting the device's gain. */
384 peff->dwGain = DI_FFNOMINALMAX;
387 if (dwFlags & DIEP_SAMPLEPERIOD) {
388 /* the linux input ff driver has no support for setting
389 * the playback sample period. 0 means default. */
390 peff->dwSamplePeriod = 0;
393 if (dwFlags & DIEP_STARTDELAY) {
394 peff->dwStartDelay = This->effect.replay.delay * 1000;
397 if (dwFlags & DIEP_TRIGGERBUTTON) {
398 FIXME("LinuxInput button mapping needs redoing; for now, assuming we're using an actual joystick.\n");
399 peff->dwTriggerButton = DIJOFS_BUTTON(This->effect.trigger.button - BTN_JOYSTICK);
402 if (dwFlags & DIEP_TRIGGERREPEATINTERVAL) {
403 peff->dwTriggerRepeatInterval = This->effect.trigger.interval * 1000;
406 if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
407 DWORD expectedsize = 0;
408 if (This->effect.type == FF_PERIODIC) {
409 expectedsize = sizeof(DIPERIODIC);
410 } else if (This->effect.type == FF_CONSTANT) {
411 expectedsize = sizeof(DICONSTANTFORCE);
412 } else if (This->effect.type == FF_SPRING
413 || This->effect.type == FF_FRICTION
414 || This->effect.type == FF_INERTIA
415 || This->effect.type == FF_DAMPER) {
416 expectedsize = sizeof(DICONDITION) * 2;
417 } else if (This->effect.type == FF_RAMP) {
418 expectedsize = sizeof(DIRAMPFORCE);
420 if (expectedsize > peff->cbTypeSpecificParams)
421 diErr = DIERR_MOREDATA;
422 peff->cbTypeSpecificParams = expectedsize;
426 if (This->effect.type == FF_PERIODIC) {
427 LPDIPERIODIC tsp = (LPDIPERIODIC)(peff->lpvTypeSpecificParams);
428 tsp->dwMagnitude = (This->effect.u.periodic.magnitude / 33) * 10;
429 tsp->lOffset = (This->effect.u.periodic.offset / 33) * 10;
430 tsp->dwPhase = (This->effect.u.periodic.phase / 33) * 36;
431 tsp->dwPeriod = (This->effect.u.periodic.period * 1000);
432 } else if (This->effect.type == FF_CONSTANT) {
433 LPDICONSTANTFORCE tsp = (LPDICONSTANTFORCE)(peff->lpvTypeSpecificParams);
434 tsp->lMagnitude = (This->effect.u.constant.level / 33) * 10;
435 } else if (This->effect.type == FF_SPRING
436 || This->effect.type == FF_FRICTION
437 || This->effect.type == FF_INERTIA
438 || This->effect.type == FF_DAMPER) {
439 LPDICONDITION tsp = (LPDICONDITION)(peff->lpvTypeSpecificParams);
441 for (i = 0; i < 2; ++i) {
442 tsp[i].lOffset = (This->effect.u.condition[i].center / 33) * 10;
443 tsp[i].lPositiveCoefficient = (This->effect.u.condition[i].right_coeff / 33) * 10;
444 tsp[i].lNegativeCoefficient = (This->effect.u.condition[i].left_coeff / 33) * 10;
445 tsp[i].dwPositiveSaturation = (This->effect.u.condition[i].right_saturation / 33) * 10;
446 tsp[i].dwNegativeSaturation = (This->effect.u.condition[i].left_saturation / 33) * 10;
447 tsp[i].lDeadBand = (This->effect.u.condition[i].deadband / 33) * 10;
449 } else if (This->effect.type == FF_RAMP) {
450 LPDIRAMPFORCE tsp = (LPDIRAMPFORCE)(peff->lpvTypeSpecificParams);
451 tsp->lStart = (This->effect.u.ramp.start_level / 33) * 10;
452 tsp->lEnd = (This->effect.u.ramp.end_level / 33) * 10;
460 static HRESULT WINAPI LinuxInputEffectImpl_Initialize(
461 LPDIRECTINPUTEFFECT iface,
466 FIXME("(this=%p,%p,%d,%s): stub!\n",
467 iface, hinst, dwVersion, debugstr_guid(rguid));
472 static HRESULT WINAPI LinuxInputEffectImpl_QueryInterface(
473 LPDIRECTINPUTEFFECT iface,
477 LinuxInputEffectImpl* This = (LinuxInputEffectImpl*)iface;
479 TRACE("(this=%p,%s,%p)\n", This, debugstr_guid(riid), ppvObject);
481 if (IsEqualGUID(&IID_IUnknown, riid) ||
482 IsEqualGUID(&IID_IDirectInputEffect, riid)) {
483 LinuxInputEffectImpl_AddRef(iface);
488 TRACE("Unsupported interface!\n");
492 static HRESULT WINAPI LinuxInputEffectImpl_Start(
493 LPDIRECTINPUTEFFECT iface,
497 struct input_event event;
498 LinuxInputEffectImpl* This = (LinuxInputEffectImpl*)iface;
500 TRACE("(this=%p,%d,%d)\n", This, dwIterations, dwFlags);
502 if (!(dwFlags & DIES_NODOWNLOAD)) {
503 /* Download the effect if necessary */
504 if (This->effect.id == -1) {
505 HRESULT res = LinuxInputEffectImpl_Download(iface);
511 if (dwFlags & DIES_SOLO) {
512 FIXME("Solo mode requested: should be stopping all effects here!\n");
516 event.code = This->effect.id;
517 event.value = dwIterations;
518 if (write(*(This->fd), &event, sizeof(event)) == -1) {
519 FIXME("Unable to write event. Assuming device disconnected.\n");
520 return DIERR_INPUTLOST;
526 static HRESULT WINAPI LinuxInputEffectImpl_SetParameters(
527 LPDIRECTINPUTEFFECT iface,
531 LinuxInputEffectImpl* This = (LinuxInputEffectImpl*)iface;
532 DWORD type = _typeFromGUID(&This->guid);
533 HRESULT retval = DI_OK;
535 TRACE("(this=%p,%p,%d)\n", This, peff, dwFlags);
537 _dump_DIEFFECT(peff, &This->guid);
539 if ((dwFlags & ~DIEP_NORESTART & ~DIEP_NODOWNLOAD & ~DIEP_START) == 0) {
541 dwFlags = DIEP_AXES | DIEP_DIRECTION | DIEP_DURATION | DIEP_ENVELOPE |
542 DIEP_GAIN | DIEP_SAMPLEPERIOD | DIEP_STARTDELAY | DIEP_TRIGGERBUTTON |
543 DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
546 if (dwFlags & DIEP_AXES) {
547 /* the linux input effect system only supports one or two axes */
549 return DIERR_INVALIDPARAM;
550 else if (peff->cAxes < 1)
551 return DIERR_INCOMPLETEEFFECT;
554 /* some of this may look funky, but it's 'cause the linux driver and directx have
555 * different opinions about which way direction "0" is. directx has 0 along the x
556 * axis (left), linux has it along the y axis (down). */
557 if (dwFlags & DIEP_DIRECTION) {
558 if (peff->cAxes == 1) {
559 if (peff->dwFlags & DIEFF_CARTESIAN) {
560 if (dwFlags & DIEP_AXES) {
561 if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] >= 0)
562 This->effect.direction = 0x4000;
563 else if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] < 0)
564 This->effect.direction = 0xC000;
565 else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] >= 0)
566 This->effect.direction = 0;
567 else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] < 0)
568 This->effect.direction = 0x8000;
571 /* one-axis effects must use cartesian coords */
572 return DIERR_INVALIDPARAM;
574 } else { /* two axes */
575 if (peff->dwFlags & DIEFF_CARTESIAN) {
576 /* avoid divide-by-zero */
577 if (peff->rglDirection[1] == 0) {
578 if (peff->rglDirection[0] >= 0)
579 This->effect.direction = 0x4000;
580 else if (peff->rglDirection[0] < 0)
581 This->effect.direction = 0xC000;
583 This->effect.direction = (int)(atan(peff->rglDirection[0] / peff->rglDirection[1]) * 0x7FFF / (3 * M_PI));
586 /* Polar and spherical are the same for 2 axes */
587 /* Precision is important here, so we do double math with exact constants */
588 This->effect.direction = (int)(((double)peff->rglDirection[0] - 90) / 35999) * 0x7FFF;
593 if (dwFlags & DIEP_DURATION)
594 This->effect.replay.length = peff->dwDuration / 1000;
596 if (dwFlags & DIEP_ENVELOPE) {
597 struct ff_envelope* env;
598 if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
599 else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
600 else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
603 if (peff->lpEnvelope == NULL) {
604 /* if this type had an envelope, reset it
605 * note that length can never be zero, so we set it to something minuscule */
607 env->attack_length = 0x10;
608 env->attack_level = 0x7FFF;
609 env->fade_length = 0x10;
610 env->fade_level = 0x7FFF;
613 /* did we get passed an envelope for a type that doesn't even have one? */
614 if (!env) return DIERR_INVALIDPARAM;
615 /* copy the envelope */
616 env->attack_length = peff->lpEnvelope->dwAttackTime / 1000;
617 env->attack_level = (peff->lpEnvelope->dwAttackLevel / 10) * 32;
618 env->fade_length = peff->lpEnvelope->dwFadeTime / 1000;
619 env->fade_level = (peff->lpEnvelope->dwFadeLevel / 10) * 32;
623 /* Gain and Sample Period settings are not supported by the linux
625 if (dwFlags & DIEP_GAIN)
626 TRACE("Gain requested but no gain functionality present.\n");
628 if (dwFlags & DIEP_SAMPLEPERIOD)
629 TRACE("Sample period requested but no sample period functionality present.\n");
631 if (dwFlags & DIEP_STARTDELAY)
632 This->effect.replay.delay = peff->dwStartDelay / 1000;
634 if (dwFlags & DIEP_TRIGGERBUTTON) {
635 if (peff->dwTriggerButton != -1) {
636 FIXME("Linuxinput button mapping needs redoing, assuming we're using a joystick.\n");
637 FIXME("Trigger button translation not yet implemented!\n");
639 This->effect.trigger.button = 0;
642 if (dwFlags & DIEP_TRIGGERREPEATINTERVAL)
643 This->effect.trigger.interval = peff->dwTriggerRepeatInterval / 1000;
645 if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
646 if (!(peff->lpvTypeSpecificParams))
647 return DIERR_INCOMPLETEEFFECT;
648 if (type == DIEFT_PERIODIC) {
650 if (peff->cbTypeSpecificParams != sizeof(DIPERIODIC))
651 return DIERR_INVALIDPARAM;
652 tsp = (LPCDIPERIODIC)(peff->lpvTypeSpecificParams);
653 This->effect.u.periodic.magnitude = (tsp->dwMagnitude / 10) * 32;
654 This->effect.u.periodic.offset = (tsp->lOffset / 10) * 32;
655 This->effect.u.periodic.phase = (tsp->dwPhase / 9) * 8; /* == (/ 36 * 32) */
656 This->effect.u.periodic.period = tsp->dwPeriod / 1000;
657 } else if (type == DIEFT_CONSTANTFORCE) {
658 LPCDICONSTANTFORCE tsp;
659 if (peff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE))
660 return DIERR_INVALIDPARAM;
661 tsp = (LPCDICONSTANTFORCE)(peff->lpvTypeSpecificParams);
662 This->effect.u.constant.level = (tsp->lMagnitude / 10) * 32;
663 } else if (type == DIEFT_RAMPFORCE) {
665 if (peff->cbTypeSpecificParams != sizeof(DIRAMPFORCE))
666 return DIERR_INVALIDPARAM;
667 tsp = (LPCDIRAMPFORCE)(peff->lpvTypeSpecificParams);
668 This->effect.u.ramp.start_level = (tsp->lStart / 10) * 32;
669 This->effect.u.ramp.end_level = (tsp->lStart / 10) * 32;
670 } else if (type == DIEFT_CONDITION) {
671 LPCDICONDITION tsp = (LPCDICONDITION)(peff->lpvTypeSpecificParams);
672 if (peff->cbTypeSpecificParams == sizeof(DICONDITION)) {
673 /* One condition block. This needs to be rotated to direction,
674 * and expanded to separate x and y conditions. */
677 factor[0] = asin((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
678 factor[1] = acos((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
679 for (i = 0; i < 2; ++i) {
680 This->effect.u.condition[i].center = (int)(factor[i] * (tsp->lOffset / 10) * 32);
681 This->effect.u.condition[i].right_coeff = (int)(factor[i] * (tsp->lPositiveCoefficient / 10) * 32);
682 This->effect.u.condition[i].left_coeff = (int)(factor[i] * (tsp->lNegativeCoefficient / 10) * 32);
683 This->effect.u.condition[i].right_saturation = (int)(factor[i] * (tsp->dwPositiveSaturation / 10) * 32);
684 This->effect.u.condition[i].left_saturation = (int)(factor[i] * (tsp->dwNegativeSaturation / 10) * 32);
685 This->effect.u.condition[i].deadband = (int)(factor[i] * (tsp->lDeadBand / 10) * 32);
687 } else if (peff->cbTypeSpecificParams == 2 * sizeof(DICONDITION)) {
688 /* Two condition blocks. Direct parameter copy. */
690 for (i = 0; i < 2; ++i) {
691 This->effect.u.condition[i].center = (tsp[i].lOffset / 10) * 32;
692 This->effect.u.condition[i].right_coeff = (tsp[i].lPositiveCoefficient / 10) * 32;
693 This->effect.u.condition[i].left_coeff = (tsp[i].lNegativeCoefficient / 10) * 32;
694 This->effect.u.condition[i].right_saturation = (tsp[i].dwPositiveSaturation / 10) * 32;
695 This->effect.u.condition[i].left_saturation = (tsp[i].dwNegativeSaturation / 10) * 32;
696 This->effect.u.condition[i].deadband = (tsp[i].lDeadBand / 10) * 32;
699 return DIERR_INVALIDPARAM;
702 FIXME("Custom force types are not supported\n");
703 return DIERR_INVALIDPARAM;
707 if (!(dwFlags & DIEP_NODOWNLOAD))
708 retval = LinuxInputEffectImpl_Download(iface);
710 return DI_DOWNLOADSKIPPED;
712 if (dwFlags & DIEP_NORESTART)
713 TRACE("DIEP_NORESTART: not handled (we have no control of that).\n");
715 if (dwFlags & DIEP_START)
716 retval = LinuxInputEffectImpl_Start(iface, 1, 0);
723 static HRESULT WINAPI LinuxInputEffectImpl_Stop(
724 LPDIRECTINPUTEFFECT iface)
726 struct input_event event;
727 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
729 TRACE("(this=%p)\n", This);
732 event.code = This->effect.id;
734 /* we don't care about the success or failure of this call */
735 write(*(This->fd), &event, sizeof(event));
740 static HRESULT WINAPI LinuxInputEffectImpl_Unload(
741 LPDIRECTINPUTEFFECT iface)
743 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
744 TRACE("(this=%p)\n", This);
746 /* Erase the downloaded effect */
747 if (ioctl(*(This->fd), EVIOCRMFF, This->effect.id) == -1)
748 return DIERR_INVALIDPARAM;
750 /* Mark the effect as deallocated */
751 This->effect.id = -1;
756 static ULONG WINAPI LinuxInputEffectImpl_Release(LPDIRECTINPUTEFFECT iface)
758 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
759 ULONG ref = InterlockedDecrement(&(This->ref));
763 LinuxInputEffectImpl_Stop(iface);
764 LinuxInputEffectImpl_Unload(iface);
765 list_remove(This->entry);
766 HeapFree(GetProcessHeap(), 0, LIST_ENTRY(This->entry, effect_list_item, entry));
767 HeapFree(GetProcessHeap(), 0, This);
772 /******************************************************************************
776 HRESULT linuxinput_create_effect(
779 struct list *parent_list_entry,
780 LPDIRECTINPUTEFFECT* peff)
782 LinuxInputEffectImpl* newEffect = HeapAlloc(GetProcessHeap(),
783 HEAP_ZERO_MEMORY, sizeof(LinuxInputEffectImpl));
784 DWORD type = _typeFromGUID(rguid);
786 newEffect->lpVtbl = &LinuxInputEffectVtbl;
788 newEffect->guid = *rguid;
791 /* set the type. this cannot be changed over the effect's life. */
794 newEffect->effect.type = FF_PERIODIC;
795 if (IsEqualGUID(rguid, &GUID_Sine)) {
796 newEffect->effect.u.periodic.waveform = FF_SINE;
797 } else if (IsEqualGUID(rguid, &GUID_Triangle)) {
798 newEffect->effect.u.periodic.waveform = FF_TRIANGLE;
799 } else if (IsEqualGUID(rguid, &GUID_Square)) {
800 newEffect->effect.u.periodic.waveform = FF_SQUARE;
801 } else if (IsEqualGUID(rguid, &GUID_SawtoothUp)) {
802 newEffect->effect.u.periodic.waveform = FF_SAW_UP;
803 } else if (IsEqualGUID(rguid, &GUID_SawtoothDown)) {
804 newEffect->effect.u.periodic.waveform = FF_SAW_DOWN;
807 case DIEFT_CONSTANTFORCE:
808 newEffect->effect.type = FF_CONSTANT;
810 case DIEFT_RAMPFORCE:
811 newEffect->effect.type = FF_RAMP;
813 case DIEFT_CONDITION:
814 if (IsEqualGUID(rguid, &GUID_Spring)) {
815 newEffect->effect.type = FF_SPRING;
816 } else if (IsEqualGUID(rguid, &GUID_Friction)) {
817 newEffect->effect.type = FF_FRICTION;
818 } else if (IsEqualGUID(rguid, &GUID_Inertia)) {
819 newEffect->effect.type = FF_INERTIA;
820 } else if (IsEqualGUID(rguid, &GUID_Damper)) {
821 newEffect->effect.type = FF_DAMPER;
824 case DIEFT_CUSTOMFORCE:
825 FIXME("Custom forces are not supported.\n");
826 HeapFree(GetProcessHeap(), 0, newEffect);
827 return DIERR_INVALIDPARAM;
829 FIXME("Unknown force type 0x%x.\n", type);
830 HeapFree(GetProcessHeap(), 0, newEffect);
831 return DIERR_INVALIDPARAM;
834 /* mark as non-uploaded */
835 newEffect->effect.id = -1;
837 newEffect->entry = parent_list_entry;
839 *peff = (LPDIRECTINPUTEFFECT)newEffect;
841 TRACE("Creating linux input system effect (%p) with guid %s\n",
842 *peff, _dump_dinput_GUID(rguid));
847 HRESULT linuxinput_get_info_A(
850 LPDIEFFECTINFOA info)
852 DWORD type = _typeFromGUID(rguid);
854 TRACE("(%d, %s, %p) type=%d\n", fd, _dump_dinput_GUID(rguid), info, type);
856 if (!info) return E_POINTER;
858 if (info->dwSize != sizeof(DIEFFECTINFOA)) return DIERR_INVALIDPARAM;
862 info->dwEffType = type;
863 /* the event device API does not support querying for all these things
864 * therefore we assume that we have support for them
865 * that's not as dangerous as it sounds, since drivers are allowed to
866 * ignore parameters they claim to support anyway */
867 info->dwEffType |= DIEFT_DEADBAND | DIEFT_FFATTACK | DIEFT_FFFADE
868 | DIEFT_POSNEGCOEFFICIENTS | DIEFT_POSNEGSATURATION
869 | DIEFT_SATURATION | DIEFT_STARTDELAY;
871 /* again, assume we have support for everything */
872 info->dwStaticParams = DIEP_ALLPARAMS;
873 info->dwDynamicParams = info->dwStaticParams;
875 /* yes, this is windows behavior (print the GUID_Name for name) */
876 strcpy((char*)info->tszName, _dump_dinput_GUID(rguid));
881 HRESULT linuxinput_get_info_W(
884 LPDIEFFECTINFOW info)
886 DWORD type = _typeFromGUID(rguid);
888 TRACE("(%d, %s, %p) type=%d\n", fd, _dump_dinput_GUID(rguid), info, type);
890 if (!info) return E_POINTER;
892 if (info->dwSize != sizeof(DIEFFECTINFOW)) return DIERR_INVALIDPARAM;
896 info->dwEffType = type;
897 /* the event device API does not support querying for all these things
898 * therefore we assume that we have support for them
899 * that's not as dangerous as it sounds, since drivers are allowed to
900 * ignore parameters they claim to support anyway */
901 info->dwEffType |= DIEFT_DEADBAND | DIEFT_FFATTACK | DIEFT_FFFADE
902 | DIEFT_POSNEGCOEFFICIENTS | DIEFT_POSNEGSATURATION
903 | DIEFT_SATURATION | DIEFT_STARTDELAY;
905 /* again, assume we have support for everything */
906 info->dwStaticParams = DIEP_ALLPARAMS;
907 info->dwDynamicParams = info->dwStaticParams;
909 /* yes, this is windows behavior (print the GUID_Name for name) */
910 MultiByteToWideChar(CP_ACP, 0, _dump_dinput_GUID(rguid), -1,
911 (WCHAR*)info->tszName, MAX_PATH);
916 static const IDirectInputEffectVtbl LinuxInputEffectVtbl = {
917 LinuxInputEffectImpl_QueryInterface,
918 LinuxInputEffectImpl_AddRef,
919 LinuxInputEffectImpl_Release,
920 LinuxInputEffectImpl_Initialize,
921 LinuxInputEffectImpl_GetEffectGuid,
922 LinuxInputEffectImpl_GetParameters,
923 LinuxInputEffectImpl_SetParameters,
924 LinuxInputEffectImpl_Start,
925 LinuxInputEffectImpl_Stop,
926 LinuxInputEffectImpl_GetEffectStatus,
927 LinuxInputEffectImpl_Download,
928 LinuxInputEffectImpl_Unload,
929 LinuxInputEffectImpl_Escape
932 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */