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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
28 #ifdef HAVE_LINUX_INPUT_H
29 # include <linux/input.h>
34 #include "wine/debug.h"
35 #include "wine/unicode.h"
41 #include "device_private.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
45 static const IDirectInputEffectVtbl LinuxInputEffectVtbl;
46 typedef struct LinuxInputEffectImpl LinuxInputEffectImpl;
47 struct LinuxInputEffectImpl
54 struct ff_effect effect;
61 /******************************************************************************
62 * DirectInputEffect Functional Helper
65 static DWORD _typeFromGUID(REFGUID guid)
67 if (IsEqualGUID(guid, &GUID_ConstantForce)) {
68 return DIEFT_CONSTANTFORCE;
69 } else if (IsEqualGUID(guid, &GUID_Square)
70 || IsEqualGUID(guid, &GUID_Sine)
71 || IsEqualGUID(guid, &GUID_Triangle)
72 || IsEqualGUID(guid, &GUID_SawtoothUp)
73 || IsEqualGUID(guid, &GUID_SawtoothDown)) {
74 return DIEFT_PERIODIC;
75 } else if (IsEqualGUID(guid, &GUID_RampForce)) {
76 return DIEFT_RAMPFORCE;
77 } else if (IsEqualGUID(guid, &GUID_Spring)
78 || IsEqualGUID(guid, &GUID_Damper)
79 || IsEqualGUID(guid, &GUID_Inertia)
80 || IsEqualGUID(guid, &GUID_Friction)) {
81 return DIEFT_CONDITION;
82 } else if (IsEqualGUID(guid, &GUID_CustomForce)) {
83 return DIEFT_CUSTOMFORCE;
85 WARN("GUID (%s) is not a known force type\n", _dump_dinput_GUID(guid));
91 /******************************************************************************
92 * DirectInputEffect debug helpers
95 static void _dump_DIEFFECT_flags(DWORD dwFlags)
97 if (TRACE_ON(dinput)) {
103 #define FE(x) { x, #x}
106 FE(DIEFF_OBJECTOFFSETS),
111 for (i = 0; i < (sizeof(flags) / sizeof(flags[0])); i++)
112 if (flags[i].mask & dwFlags)
113 DPRINTF("%s ", flags[i].name);
118 static void _dump_DIENVELOPE(LPDIENVELOPE env)
120 if (env->dwSize != sizeof(DIENVELOPE)) {
121 WARN("Non-standard DIENVELOPE structure size (%ld instead of %d).\n",
122 env->dwSize, sizeof(DIENVELOPE));
124 TRACE("Envelope has attack (level: %ld time: %ld), fade (level: %ld time: %ld)\n",
125 env->dwAttackLevel, env->dwAttackTime, env->dwFadeLevel, env->dwFadeTime);
128 static void _dump_DICONSTANTFORCE(LPDICONSTANTFORCE frc)
130 TRACE("Constant force has magnitude %ld\n", frc->lMagnitude);
133 static void _dump_DIPERIODIC(LPDIPERIODIC frc)
135 TRACE("Periodic force has magnitude %ld, offset %ld, phase %ld, period %ld\n",
136 frc->dwMagnitude, frc->lOffset, frc->dwPhase, frc->dwPeriod);
139 static void _dump_DIRAMPFORCE(LPDIRAMPFORCE frc)
141 TRACE("Ramp force has start %ld, end %ld\n",
142 frc->lStart, frc->lEnd);
145 static void _dump_DICONDITION(LPDICONDITION frc)
147 TRACE("Condition has offset %ld, pos/neg coefficients %ld and %ld, pos/neg saturations %ld and %ld, deadband %ld\n",
148 frc->lOffset, frc->lPositiveCoefficient, frc->lNegativeCoefficient,
149 frc->dwPositiveSaturation, frc->dwNegativeSaturation, frc->lDeadBand);
152 static void _dump_DICUSTOMFORCE(LPDICUSTOMFORCE frc)
155 TRACE("Custom force uses %ld channels, sample period %ld. Has %ld 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 DPRINTF("Custom force data (time aligned, axes in order):\n");
161 for (i = 1; i <= frc->cSamples; ++i) {
162 DPRINTF("%ld ", 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: %ld\n", eff->dwSize);
176 if ((eff->dwSize != sizeof(DIEFFECT)) && (eff->dwSize != sizeof(DIEFFECT_DX5))) {
177 WARN("Non-standard DIEFFECT structure size (%ld instead of %d or %d).\n",
178 eff->dwSize, sizeof(DIEFFECT), sizeof(DIEFFECT_DX5));
180 TRACE(" - dwFlags: %ld\n", eff->dwFlags);
182 _dump_DIEFFECT_flags(eff->dwFlags);
183 TRACE(" - dwDuration: %ld\n", eff->dwDuration);
184 TRACE(" - dwGain: %ld\n", eff->dwGain);
185 if ((eff->dwGain > 10000) || (eff->dwGain < 0))
186 WARN("dwGain is out of range (0 - 10,000)\n");
187 TRACE(" - dwTriggerButton: %ld\n", eff->dwTriggerButton);
188 TRACE(" - dwTriggerRepeatInterval: %ld\n", eff->dwTriggerRepeatInterval);
189 TRACE(" - cAxes: %ld\n", eff->cAxes);
190 TRACE(" - rgdwAxes: %p\n", eff->rgdwAxes);
191 if (TRACE_ON(dinput)) {
193 for (i = 0; i < eff->cAxes; ++i)
194 DPRINTF("%ld ", eff->rgdwAxes[i]);
197 TRACE(" - rglDirection: %p\n", eff->rglDirection);
198 TRACE(" - lpEnvelope: %p\n", eff->lpEnvelope);
199 TRACE(" - cbTypeSpecificParams: %ld\n", eff->cbTypeSpecificParams);
200 TRACE(" - lpvTypeSpecificParams: %p\n", eff->lpvTypeSpecificParams);
201 if (eff->dwSize > sizeof(DIEFFECT_DX5))
202 TRACE(" - dwStartDelay: %ld\n", eff->dwStartDelay);
203 if (eff->lpEnvelope != NULL)
204 _dump_DIENVELOPE(eff->lpEnvelope);
205 if (type == DIEFT_CONSTANTFORCE) {
206 if (eff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE)) {
207 WARN("Effect claims to be a constant force but the type-specific params are the wrong size!\n");
209 _dump_DICONSTANTFORCE(eff->lpvTypeSpecificParams);
211 } else if (type == DIEFT_PERIODIC) {
212 if (eff->cbTypeSpecificParams != sizeof(DIPERIODIC)) {
213 WARN("Effect claims to be a periodic force but the type-specific params are the wrong size!\n");
215 _dump_DIPERIODIC(eff->lpvTypeSpecificParams);
217 } else if (type == DIEFT_RAMPFORCE) {
218 if (eff->cbTypeSpecificParams != sizeof(DIRAMPFORCE)) {
219 WARN("Effect claims to be a ramp force but the type-specific params are the wrong size!\n");
221 _dump_DIRAMPFORCE(eff->lpvTypeSpecificParams);
223 } else if (type == DIEFT_CONDITION) {
224 if (eff->cbTypeSpecificParams != sizeof(DICONDITION)) {
225 WARN("Effect claims to be a condition but the type-specific params are the wrong size!\n");
227 _dump_DICONDITION(eff->lpvTypeSpecificParams);
229 } else if (type == DIEFT_CUSTOMFORCE) {
230 if (eff->cbTypeSpecificParams != sizeof(DICUSTOMFORCE)) {
231 WARN("Effect claims to be a custom force but the type-specific params are the wrong size!\n");
233 _dump_DICUSTOMFORCE(eff->lpvTypeSpecificParams);
239 /******************************************************************************
240 * LinuxInputEffectImpl
243 static ULONG WINAPI LinuxInputEffectImpl_AddRef(
244 LPDIRECTINPUTEFFECT iface)
246 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
247 return InterlockedIncrement(&(This->ref));
250 static HRESULT WINAPI LinuxInputEffectImpl_Download(
251 LPDIRECTINPUTEFFECT iface)
253 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
255 TRACE("(this=%p)\n", This);
257 if (ioctl(*(This->fd), EVIOCSFF, &This->effect) == -1) {
258 if (errno == ENOMEM) {
259 return DIERR_DEVICEFULL;
261 FIXME("Could not upload effect. Assuming a disconnected device.\n");
262 return DIERR_INPUTLOST;
269 static HRESULT WINAPI LinuxInputEffectImpl_Escape(
270 LPDIRECTINPUTEFFECT iface,
273 WARN("(this=%p,%p): invalid: no hardware-specific escape codes in this"
274 " driver!\n", iface, pesc);
279 static HRESULT WINAPI LinuxInputEffectImpl_GetEffectGuid(
280 LPDIRECTINPUTEFFECT iface,
283 LinuxInputEffectImpl *This = (LinuxInputEffectImpl*)iface;
285 TRACE("(this=%p,%p)\n", This, pguid);
292 static HRESULT WINAPI LinuxInputEffectImpl_GetEffectStatus(
293 LPDIRECTINPUTEFFECT iface,
296 TRACE("(this=%p,%p)\n", iface, pdwFlags);
298 /* linux sends the effect status through an event.
299 * that event is trapped by our parent joystick driver
300 * and there is no clean way to pass it back to us. */
301 FIXME("Not enough information to provide a status.\n");
308 static HRESULT WINAPI LinuxInputEffectImpl_GetParameters(
309 LPDIRECTINPUTEFFECT iface,
313 HRESULT diErr = DI_OK;
314 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
315 TRACE("(this=%p,%p,%ld)\n", This, peff, dwFlags);
317 /* Major conversion factors are:
318 * times: millisecond (linux) -> microsecond (windows) (x * 1000)
319 * forces: scale 0x7FFF (linux) -> scale 10000 (windows) approx ((x / 33) * 10)
320 * angles: scale 0x7FFF (linux) -> scale 35999 (windows) approx ((x / 33) * 36)
321 * angle bases: 0 -> -y (down) (linux) -> 0 -> +x (right) (windows)
324 if (dwFlags & DIEP_AXES) {
325 if (peff->cAxes < 2 /* linuxinput effects always use 2 axes, x and y */)
326 diErr = DIERR_MOREDATA;
331 peff->rgdwAxes[0] = DIJOFS_X;
332 peff->rgdwAxes[1] = DIJOFS_Y;
336 if (dwFlags & DIEP_DIRECTION) {
338 diErr = DIERR_MOREDATA;
343 if (peff->dwFlags & DIEFF_CARTESIAN) {
344 peff->rglDirection[0] = (long)(sin(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000);
345 peff->rglDirection[1] = (long)(cos(M_PI * 3 * This->effect.direction / 0x7FFF) * 1000);
347 /* Polar and spherical coordinates are the same for two or less
349 * Note that we also use this case if NO flags are marked.
350 * According to MSDN, we should return the direction in the
351 * format that it was specified in, if no flags are marked.
353 peff->rglDirection[0] = (This->effect.direction / 33) * 36 + 9000;
354 if (peff->rglDirection[0] > 35999)
355 peff->rglDirection[0] -= 35999;
360 if (dwFlags & DIEP_DURATION) {
361 peff->dwDuration = (DWORD)This->effect.replay.length * 1000;
364 if (dwFlags & DIEP_ENVELOPE) {
365 struct ff_envelope* env;
366 if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
367 else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
368 else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
371 peff->lpEnvelope = NULL;
372 } else if (peff->lpEnvelope == NULL) {
373 return DIERR_INVALIDPARAM;
375 peff->lpEnvelope->dwAttackLevel = (env->attack_level / 33) * 10;
376 peff->lpEnvelope->dwAttackTime = env->attack_length * 1000;
377 peff->lpEnvelope->dwFadeLevel = (env->fade_level / 33) * 10;
378 peff->lpEnvelope->dwFadeTime = env->fade_length * 1000;
382 if (dwFlags & DIEP_GAIN) {
383 /* the linux input ff driver apparently has no support
384 * for setting the device's gain. */
385 peff->dwGain = DI_FFNOMINALMAX;
388 if (dwFlags & DIEP_SAMPLEPERIOD) {
389 /* the linux input ff driver has no support for setting
390 * the playback sample period. 0 means default. */
391 peff->dwSamplePeriod = 0;
394 if (dwFlags & DIEP_STARTDELAY) {
395 peff->dwStartDelay = This->effect.replay.delay * 1000;
398 if (dwFlags & DIEP_TRIGGERBUTTON) {
399 FIXME("LinuxInput button mapping needs redoing; for now, assuming we're using an actual joystick.\n");
400 peff->dwTriggerButton = DIJOFS_BUTTON(This->effect.trigger.button - BTN_JOYSTICK);
403 if (dwFlags & DIEP_TRIGGERREPEATINTERVAL) {
404 peff->dwTriggerRepeatInterval = This->effect.trigger.interval * 1000;
407 if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
408 int expectedsize = 0;
409 if (This->effect.type == FF_PERIODIC) {
410 expectedsize = sizeof(DIPERIODIC);
411 } else if (This->effect.type == FF_CONSTANT) {
412 expectedsize = sizeof(DICONSTANTFORCE);
413 } else if (This->effect.type == FF_SPRING
414 || This->effect.type == FF_FRICTION
415 || This->effect.type == FF_INERTIA
416 || This->effect.type == FF_DAMPER) {
417 expectedsize = sizeof(DICONDITION) * 2;
418 } else if (This->effect.type == FF_RAMP) {
419 expectedsize = sizeof(DIRAMPFORCE);
421 if (expectedsize > peff->cbTypeSpecificParams)
422 diErr = DIERR_MOREDATA;
423 peff->cbTypeSpecificParams = expectedsize;
427 if (This->effect.type == FF_PERIODIC) {
428 LPDIPERIODIC tsp = (LPDIPERIODIC)(peff->lpvTypeSpecificParams);
429 tsp->dwMagnitude = (This->effect.u.periodic.magnitude / 33) * 10;
430 tsp->lOffset = (This->effect.u.periodic.offset / 33) * 10;
431 tsp->dwPhase = (This->effect.u.periodic.phase / 33) * 36;
432 tsp->dwPeriod = (This->effect.u.periodic.period * 1000);
433 } else if (This->effect.type == FF_CONSTANT) {
434 LPDICONSTANTFORCE tsp = (LPDICONSTANTFORCE)(peff->lpvTypeSpecificParams);
435 tsp->lMagnitude = (This->effect.u.constant.level / 33) * 10;
436 } else if (This->effect.type == FF_SPRING
437 || This->effect.type == FF_FRICTION
438 || This->effect.type == FF_INERTIA
439 || This->effect.type == FF_DAMPER) {
440 LPDICONDITION tsp = (LPDICONDITION)(peff->lpvTypeSpecificParams);
442 for (i = 0; i < 2; ++i) {
443 tsp[i].lOffset = (This->effect.u.condition[i].center / 33) * 10;
444 tsp[i].lPositiveCoefficient = (This->effect.u.condition[i].right_coeff / 33) * 10;
445 tsp[i].lNegativeCoefficient = (This->effect.u.condition[i].left_coeff / 33) * 10;
446 tsp[i].dwPositiveSaturation = (This->effect.u.condition[i].right_saturation / 33) * 10;
447 tsp[i].dwNegativeSaturation = (This->effect.u.condition[i].left_saturation / 33) * 10;
448 tsp[i].lDeadBand = (This->effect.u.condition[i].deadband / 33) * 10;
450 } else if (This->effect.type == FF_RAMP) {
451 LPDIRAMPFORCE tsp = (LPDIRAMPFORCE)(peff->lpvTypeSpecificParams);
452 tsp->lStart = (This->effect.u.ramp.start_level / 33) * 10;
453 tsp->lEnd = (This->effect.u.ramp.end_level / 33) * 10;
461 static HRESULT WINAPI LinuxInputEffectImpl_Initialize(
462 LPDIRECTINPUTEFFECT iface,
467 FIXME("(this=%p,%p,%ld,%s): stub!\n",
468 iface, hinst, dwVersion, debugstr_guid(rguid));
473 static HRESULT WINAPI LinuxInputEffectImpl_QueryInterface(
474 LPDIRECTINPUTEFFECT iface,
478 LinuxInputEffectImpl* This = (LinuxInputEffectImpl*)iface;
480 TRACE("(this=%p,%s,%p)\n", This, debugstr_guid(riid), ppvObject);
482 if (IsEqualGUID(&IID_IUnknown, riid) ||
483 IsEqualGUID(&IID_IDirectInputEffect, riid)) {
484 LinuxInputEffectImpl_AddRef(iface);
489 TRACE("Unsupported interface!\n");
493 static HRESULT WINAPI LinuxInputEffectImpl_Start(
494 LPDIRECTINPUTEFFECT iface,
498 struct input_event event;
499 LinuxInputEffectImpl* This = (LinuxInputEffectImpl*)iface;
501 TRACE("(this=%p,%ld,%ld)\n", This, dwIterations, dwFlags);
503 if (!(dwFlags & DIES_NODOWNLOAD)) {
504 /* Download the effect if necessary */
505 if (This->effect.id == -1) {
506 HRESULT res = LinuxInputEffectImpl_Download(iface);
512 if (dwFlags & DIES_SOLO) {
513 FIXME("Solo mode requested: should be stopping all effects here!\n");
517 event.code = This->effect.id;
518 event.value = dwIterations;
519 if (write(*(This->fd), &event, sizeof(event)) == -1) {
520 FIXME("Unable to write event. Assuming device disconnected.\n");
521 return DIERR_INPUTLOST;
527 static HRESULT WINAPI LinuxInputEffectImpl_SetParameters(
528 LPDIRECTINPUTEFFECT iface,
532 LinuxInputEffectImpl* This = (LinuxInputEffectImpl*)iface;
533 DWORD type = _typeFromGUID(&This->guid);
534 HRESULT retval = DI_OK;
536 TRACE("(this=%p,%p,%ld)\n", This, peff, dwFlags);
538 _dump_DIEFFECT(peff, &This->guid);
540 if ((dwFlags & !DIEP_NORESTART & !DIEP_NODOWNLOAD & !DIEP_START) == 0) {
542 dwFlags = DIEP_AXES | DIEP_DIRECTION | DIEP_DURATION | DIEP_ENVELOPE |
543 DIEP_GAIN | DIEP_SAMPLEPERIOD | DIEP_STARTDELAY | DIEP_TRIGGERBUTTON |
544 DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS;
547 if (dwFlags & DIEP_AXES) {
548 /* the linux input effect system only supports one or two axes */
550 return DIERR_INVALIDPARAM;
551 else if (peff->cAxes < 1)
552 return DIERR_INCOMPLETEEFFECT;
555 /* some of this may look funky, but it's 'cause the linux driver and directx have
556 * different opinions about which way direction "0" is. directx has 0 along the x
557 * axis (left), linux has it along the y axis (down). */
558 if (dwFlags & DIEP_DIRECTION) {
559 if (peff->cAxes == 1) {
560 if (peff->dwFlags & DIEFF_CARTESIAN) {
561 if (dwFlags & DIEP_AXES) {
562 if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] >= 0)
563 This->effect.direction = 0x4000;
564 else if (peff->rgdwAxes[0] == DIJOFS_X && peff->rglDirection[0] < 0)
565 This->effect.direction = 0xC000;
566 else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] >= 0)
567 This->effect.direction = 0;
568 else if (peff->rgdwAxes[0] == DIJOFS_Y && peff->rglDirection[0] < 0)
569 This->effect.direction = 0x8000;
572 /* one-axis effects must use cartesian coords */
573 return DIERR_INVALIDPARAM;
575 } else { /* two axes */
576 if (peff->dwFlags & DIEFF_CARTESIAN) {
577 /* avoid divide-by-zero */
578 if (peff->rglDirection[1] == 0) {
579 if (peff->rglDirection[0] >= 0)
580 This->effect.direction = 0x4000;
581 else if (peff->rglDirection[0] < 0)
582 This->effect.direction = 0xC000;
584 This->effect.direction = (int)(atan(peff->rglDirection[0] / peff->rglDirection[1]) * 0x7FFF / (3 * M_PI));
587 /* Polar and spherical are the same for 2 axes */
588 /* Precision is important here, so we do double math with exact constants */
589 This->effect.direction = (int)(((double)peff->rglDirection[0] - 90) / 35999) * 0x7FFF;
594 if (dwFlags & DIEP_DURATION)
595 This->effect.replay.length = peff->dwDuration / 1000;
597 if (dwFlags & DIEP_ENVELOPE) {
598 struct ff_envelope* env;
599 if (This->effect.type == FF_CONSTANT) env = &This->effect.u.constant.envelope;
600 else if (This->effect.type == FF_PERIODIC) env = &This->effect.u.periodic.envelope;
601 else if (This->effect.type == FF_RAMP) env = &This->effect.u.ramp.envelope;
604 if (peff->lpEnvelope == NULL) {
605 /* if this type had an envelope, reset it
606 * note that length can never be zero, so we set it to something miniscule */
608 env->attack_length = 0x10;
609 env->attack_level = 0x7FFF;
610 env->fade_length = 0x10;
611 env->fade_level = 0x7FFF;
614 /* did we get passed an envelope for a type that doesn't even have one? */
615 if (!env) return DIERR_INVALIDPARAM;
616 /* copy the envelope */
617 env->attack_length = peff->lpEnvelope->dwAttackTime / 1000;
618 env->attack_level = (peff->lpEnvelope->dwAttackLevel / 10) * 32;
619 env->fade_length = peff->lpEnvelope->dwFadeTime / 1000;
620 env->fade_level = (peff->lpEnvelope->dwFadeLevel / 10) * 32;
624 /* Gain and Sample Period settings are not supported by the linux
626 if (dwFlags & DIEP_GAIN)
627 TRACE("Gain requested but no gain functionality present.\n");
629 if (dwFlags & DIEP_SAMPLEPERIOD)
630 TRACE("Sample period requested but no sample period functionality present.\n");
632 if (dwFlags & DIEP_STARTDELAY)
633 This->effect.replay.delay = peff->dwStartDelay / 1000;
635 if (dwFlags & DIEP_TRIGGERBUTTON) {
636 if (peff->dwTriggerButton != -1) {
637 FIXME("Linuxinput button mapping needs redoing, assuming we're using a joystick.\n");
638 FIXME("Trigger button translation not yet implemented!\n");
640 This->effect.trigger.button = 0;
643 if (dwFlags & DIEP_TRIGGERREPEATINTERVAL)
644 This->effect.trigger.interval = peff->dwTriggerRepeatInterval / 1000;
646 if (dwFlags & DIEP_TYPESPECIFICPARAMS) {
647 if (!(peff->lpvTypeSpecificParams))
648 return DIERR_INCOMPLETEEFFECT;
649 if (type == DIEFT_PERIODIC) {
651 if (peff->cbTypeSpecificParams != sizeof(DIPERIODIC))
652 return DIERR_INVALIDPARAM;
653 tsp = (LPCDIPERIODIC)(peff->lpvTypeSpecificParams);
654 This->effect.u.periodic.magnitude = (tsp->dwMagnitude / 10) * 32;
655 This->effect.u.periodic.offset = (tsp->lOffset / 10) * 32;
656 This->effect.u.periodic.phase = (tsp->dwPhase / 9) * 8; /* == (/ 36 * 32) */
657 This->effect.u.periodic.period = tsp->dwPeriod / 1000;
658 } else if (type == DIEFT_CONSTANTFORCE) {
659 LPCDICONSTANTFORCE tsp;
660 if (peff->cbTypeSpecificParams != sizeof(DICONSTANTFORCE))
661 return DIERR_INVALIDPARAM;
662 tsp = (LPCDICONSTANTFORCE)(peff->lpvTypeSpecificParams);
663 This->effect.u.constant.level = (tsp->lMagnitude / 10) * 32;
664 } else if (type == DIEFT_RAMPFORCE) {
666 if (peff->cbTypeSpecificParams != sizeof(DIRAMPFORCE))
667 return DIERR_INVALIDPARAM;
668 tsp = (LPCDIRAMPFORCE)(peff->lpvTypeSpecificParams);
669 This->effect.u.ramp.start_level = (tsp->lStart / 10) * 32;
670 This->effect.u.ramp.end_level = (tsp->lStart / 10) * 32;
671 } else if (type == DIEFT_CONDITION) {
672 LPCDICONDITION tsp = (LPCDICONDITION)(peff->lpvTypeSpecificParams);
673 if (peff->cbTypeSpecificParams == sizeof(DICONDITION)) {
674 /* One condition block. This needs to be rotated to direction,
675 * and expanded to separate x and y conditions. */
678 factor[0] = asin((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
679 factor[1] = acos((This->effect.direction * 3.0 * M_PI) / 0x7FFF);
680 for (i = 0; i < 2; ++i) {
681 This->effect.u.condition[i].center = (int)(factor[i] * (tsp->lOffset / 10) * 32);
682 This->effect.u.condition[i].right_coeff = (int)(factor[i] * (tsp->lPositiveCoefficient / 10) * 32);
683 This->effect.u.condition[i].left_coeff = (int)(factor[i] * (tsp->lNegativeCoefficient / 10) * 32);
684 This->effect.u.condition[i].right_saturation = (int)(factor[i] * (tsp->dwPositiveSaturation / 10) * 32);
685 This->effect.u.condition[i].left_saturation = (int)(factor[i] * (tsp->dwNegativeSaturation / 10) * 32);
686 This->effect.u.condition[i].deadband = (int)(factor[i] * (tsp->lDeadBand / 10) * 32);
688 } else if (peff->cbTypeSpecificParams == 2 * sizeof(DICONDITION)) {
689 /* Two condition blocks. Direct parameter copy. */
691 for (i = 0; i < 2; ++i) {
692 This->effect.u.condition[i].center = (tsp[i].lOffset / 10) * 32;
693 This->effect.u.condition[i].right_coeff = (tsp[i].lPositiveCoefficient / 10) * 32;
694 This->effect.u.condition[i].left_coeff = (tsp[i].lNegativeCoefficient / 10) * 32;
695 This->effect.u.condition[i].right_saturation = (tsp[i].dwPositiveSaturation / 10) * 32;
696 This->effect.u.condition[i].left_saturation = (tsp[i].dwNegativeSaturation / 10) * 32;
697 This->effect.u.condition[i].deadband = (tsp[i].lDeadBand / 10) * 32;
700 return DIERR_INVALIDPARAM;
703 FIXME("Custom force types are not supported\n");
704 return DIERR_INVALIDPARAM;
708 if (!(dwFlags & DIEP_NODOWNLOAD))
709 retval = LinuxInputEffectImpl_Download(iface);
711 return DI_DOWNLOADSKIPPED;
713 if (dwFlags & DIEP_NORESTART)
714 TRACE("DIEP_NORESTART: not handled (we have no control of that).\n");
716 if (dwFlags & DIEP_START)
717 retval = LinuxInputEffectImpl_Start(iface, 1, 0);
724 static ULONG WINAPI LinuxInputEffectImpl_Release(
725 LPDIRECTINPUTEFFECT iface)
727 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
728 ULONG ref = InterlockedDecrement(&(This->ref));
731 HeapFree(GetProcessHeap(), 0, This);
735 static HRESULT WINAPI LinuxInputEffectImpl_Stop(
736 LPDIRECTINPUTEFFECT iface)
738 struct input_event event;
739 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
741 TRACE("(this=%p)\n", This);
744 event.code = This->effect.id;
746 /* we don't care about the success or failure of this call */
747 write(*(This->fd), &event, sizeof(event));
752 static HRESULT WINAPI LinuxInputEffectImpl_Unload(
753 LPDIRECTINPUTEFFECT iface)
755 LinuxInputEffectImpl *This = (LinuxInputEffectImpl *)iface;
756 TRACE("(this=%p)\n", This);
758 /* Erase the downloaded effect */
759 if (ioctl(*(This->fd), EVIOCRMFF, This->effect.id) == -1)
760 return DIERR_INVALIDPARAM;
762 /* Mark the effect as deallocated */
763 This->effect.id = -1;
768 /******************************************************************************
772 HRESULT linuxinput_create_effect(
775 LPDIRECTINPUTEFFECT* peff)
777 LinuxInputEffectImpl* newEffect = HeapAlloc(GetProcessHeap(),
778 HEAP_ZERO_MEMORY, sizeof(LinuxInputEffectImpl));
779 DWORD type = _typeFromGUID(rguid);
781 newEffect->lpVtbl = &LinuxInputEffectVtbl;
783 memcpy(&(newEffect->guid), rguid, sizeof(*rguid));
786 /* set the type. this cannot be changed over the effect's life. */
789 newEffect->effect.type = FF_PERIODIC;
790 if (IsEqualGUID(rguid, &GUID_Sine)) {
791 newEffect->effect.u.periodic.waveform = FF_SINE;
792 } else if (IsEqualGUID(rguid, &GUID_Triangle)) {
793 newEffect->effect.u.periodic.waveform = FF_TRIANGLE;
794 } else if (IsEqualGUID(rguid, &GUID_Square)) {
795 newEffect->effect.u.periodic.waveform = FF_SQUARE;
796 } else if (IsEqualGUID(rguid, &GUID_SawtoothUp)) {
797 newEffect->effect.u.periodic.waveform = FF_SAW_UP;
798 } else if (IsEqualGUID(rguid, &GUID_SawtoothDown)) {
799 newEffect->effect.u.periodic.waveform = FF_SAW_DOWN;
802 case DIEFT_CONSTANTFORCE:
803 newEffect->effect.type = FF_CONSTANT;
805 case DIEFT_RAMPFORCE:
806 newEffect->effect.type = FF_RAMP;
808 case DIEFT_CONDITION:
809 if (IsEqualGUID(rguid, &GUID_Spring)) {
810 newEffect->effect.type = FF_SPRING;
811 } else if (IsEqualGUID(rguid, &GUID_Friction)) {
812 newEffect->effect.type = FF_FRICTION;
813 } else if (IsEqualGUID(rguid, &GUID_Inertia)) {
814 newEffect->effect.type = FF_INERTIA;
815 } else if (IsEqualGUID(rguid, &GUID_Damper)) {
816 newEffect->effect.type = FF_DAMPER;
819 case DIEFT_CUSTOMFORCE:
820 FIXME("Custom forces are not supported.\n");
821 HeapFree(GetProcessHeap(), 0, newEffect);
822 return DIERR_INVALIDPARAM;
824 FIXME("Unkown force type.\n");
825 HeapFree(GetProcessHeap(), 0, newEffect);
826 return DIERR_INVALIDPARAM;
829 /* mark as non-uploaded */
830 newEffect->effect.id = -1;
832 *peff = (LPDIRECTINPUTEFFECT)newEffect;
834 TRACE("Creating linux input system effect (%p) with guid %s\n",
835 *peff, _dump_dinput_GUID(rguid));
840 HRESULT linuxinput_get_info_A(
843 LPDIEFFECTINFOA info)
845 DWORD type = _typeFromGUID(rguid);
847 TRACE("(%d, %s, %p) type=%ld\n", fd, _dump_dinput_GUID(rguid), info, type);
849 if (!info) return E_POINTER;
851 if (info->dwSize != sizeof(DIEFFECTINFOA)) return DIERR_INVALIDPARAM;
855 info->dwEffType = type;
856 /* the event device API does not support querying for all these things
857 * therefore we assume that we have support for them
858 * that's not as dangerous as it sounds, since drivers are allowed to
859 * ignore parameters they claim to support anyway */
860 info->dwEffType |= DIEFT_DEADBAND | DIEFT_FFATTACK | DIEFT_FFFADE
861 | DIEFT_POSNEGCOEFFICIENTS | DIEFT_POSNEGSATURATION
862 | DIEFT_SATURATION | DIEFT_STARTDELAY;
864 /* again, assume we have support for everything */
865 info->dwStaticParams = DIEP_ALLPARAMS;
866 info->dwDynamicParams = info->dwStaticParams;
868 /* yes, this is windows behavior (print the GUID_Name for name) */
869 strcpy((char*)&(info->tszName), _dump_dinput_GUID(rguid));
874 HRESULT linuxinput_get_info_W(
877 LPDIEFFECTINFOW info)
879 DWORD type = _typeFromGUID(rguid);
881 TRACE("(%d, %s, %p) type=%ld\n", fd, _dump_dinput_GUID(rguid), info, type);
883 if (!info) return E_POINTER;
885 if (info->dwSize != sizeof(DIEFFECTINFOW)) return DIERR_INVALIDPARAM;
889 info->dwEffType = type;
890 /* the event device API does not support querying for all these things
891 * therefore we assume that we have support for them
892 * that's not as dangerous as it sounds, since drivers are allowed to
893 * ignore parameters they claim to support anyway */
894 info->dwEffType |= DIEFT_DEADBAND | DIEFT_FFATTACK | DIEFT_FFFADE
895 | DIEFT_POSNEGCOEFFICIENTS | DIEFT_POSNEGSATURATION
896 | DIEFT_SATURATION | DIEFT_STARTDELAY;
898 /* again, assume we have support for everything */
899 info->dwStaticParams = DIEP_ALLPARAMS;
900 info->dwDynamicParams = info->dwStaticParams;
902 /* yes, this is windows behavior (print the GUID_Name for name) */
903 MultiByteToWideChar(CP_ACP, 0, _dump_dinput_GUID(rguid), -1,
904 (WCHAR*)&(info->tszName), sizeof(WCHAR) * MAX_PATH);
909 static const IDirectInputEffectVtbl LinuxInputEffectVtbl = {
910 LinuxInputEffectImpl_QueryInterface,
911 LinuxInputEffectImpl_AddRef,
912 LinuxInputEffectImpl_Release,
913 LinuxInputEffectImpl_Initialize,
914 LinuxInputEffectImpl_GetEffectGuid,
915 LinuxInputEffectImpl_GetParameters,
916 LinuxInputEffectImpl_SetParameters,
917 LinuxInputEffectImpl_Start,
918 LinuxInputEffectImpl_Stop,
919 LinuxInputEffectImpl_GetEffectStatus,
920 LinuxInputEffectImpl_Download,
921 LinuxInputEffectImpl_Unload,
922 LinuxInputEffectImpl_Escape
925 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */