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comparison src/haptic/darwin/SDL_syshaptic.c @ 2530:22ce87690b41 gsoc2008_force_feedback

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More comments. Added support for condition effects on darwin.
author Edgar Simo <bobbens@gmail.com>
date Fri, 18 Jul 2008 18:52:06 +0000
parents e1d5d16e88a8
children 7f2a4c387292
comparison
equal deleted inserted replaced
2529:e1d5d16e88a8 2530:22ce87690b41
304 { 304 {
305 int i; 305 int i;
306 306
307 if (haptic->hwdata) { 307 if (haptic->hwdata) {
308 308
309 /* Free the effects. */
310 for (i=0; i<haptic->neffects; i++) {
311 if (haptic->effects[i].hweffect != NULL) {
312 SDL_SYS_HapticFreeFFEFFECT(&haptic->effects[i].hweffect->effect);
313 SDL_free(haptic->effects[i].hweffect);
314 }
315 }
316 SDL_free(haptic->effects);
317 haptic->neffects = 0;
318
309 /* Clean up */ 319 /* Clean up */
310 FFReleaseDevice(haptic->hwdata->device); 320 FFReleaseDevice(haptic->hwdata->device);
311 321
312 /* Free */ 322 /* Free */
313 SDL_free(haptic->hwdata); 323 SDL_free(haptic->hwdata);
314 haptic->hwdata = NULL; 324 haptic->hwdata = NULL;
315 for (i=0; i<haptic->neffects; i++) {
316 if (haptic->effects[i].hweffect != NULL)
317 SDL_free(haptic->effects[i].hweffect->effect.lpvTypeSpecificParams);
318 }
319 SDL_free(haptic->effects);
320 haptic->neffects = 0;
321 } 325 }
322 } 326 }
323 327
324 328
325 /* 329 /*
329 SDL_SYS_HapticQuit(void) 333 SDL_SYS_HapticQuit(void)
330 { 334 {
331 int i; 335 int i;
332 336
333 for (i=0; i < SDL_numhaptics; i++) { 337 for (i=0; i < SDL_numhaptics; i++) {
338 /* Opened and not closed haptics are leaked, this is on purpose.
339 * Close your haptic devices after usage. */
340
341 /* Free the io_service_t */
334 IOObjectRelease(SDL_hapticlist[i].dev); 342 IOObjectRelease(SDL_hapticlist[i].dev);
335 /* TODO free effects. */
336 } 343 }
337 } 344 }
338 345
339 346
340 /* 347 /*
389 * Creates the FFEFFECT from a SDL_HapticEffect. 396 * Creates the FFEFFECT from a SDL_HapticEffect.
390 */ 397 */
391 static int 398 static int
392 SDL_SYS_ToFFEFFECT( SDL_Haptic * haptic, FFEFFECT * dest, SDL_HapticEffect * src ) 399 SDL_SYS_ToFFEFFECT( SDL_Haptic * haptic, FFEFFECT * dest, SDL_HapticEffect * src )
393 { 400 {
401 int i;
394 FFCONSTANTFORCE *constant; 402 FFCONSTANTFORCE *constant;
395 FFPERIODIC *periodic; 403 FFPERIODIC *periodic;
396 FFCONDITION *condition; 404 FFCONDITION *condition; /* Actually an array of conditions - one per axis. */
397 FFRAMPFORCE *ramp; 405 FFRAMPFORCE *ramp;
398 FFCUSTOMFORCE *custom; 406 FFCUSTOMFORCE *custom;
399 FFENVELOPE *envelope; 407 FFENVELOPE *envelope;
400 SDL_HapticConstant *hap_constant; 408 SDL_HapticConstant *hap_constant;
401 SDL_HapticPeriodic *hap_periodic; 409 SDL_HapticPeriodic *hap_periodic;
436 } 444 }
437 dest->rgdwAxes = axes; 445 dest->rgdwAxes = axes;
438 } 446 }
439 447
440 448
449 /* The big type handling switch, even bigger then linux's version. */
441 switch (src->type) { 450 switch (src->type) {
442 case SDL_HAPTIC_CONSTANT: 451 case SDL_HAPTIC_CONSTANT:
443 hap_constant = &src->constant; 452 hap_constant = &src->constant;
444 constant = SDL_malloc( sizeof(FFCONSTANTFORCE) ); 453 constant = SDL_malloc( sizeof(FFCONSTANTFORCE) );
445 if (constant == NULL) { 454 if (constant == NULL) {
513 case SDL_HAPTIC_SPRING: 522 case SDL_HAPTIC_SPRING:
514 case SDL_HAPTIC_DAMPER: 523 case SDL_HAPTIC_DAMPER:
515 case SDL_HAPTIC_INERTIA: 524 case SDL_HAPTIC_INERTIA:
516 case SDL_HAPTIC_FRICTION: 525 case SDL_HAPTIC_FRICTION:
517 hap_condition = &src->condition; 526 hap_condition = &src->condition;
527 condition = SDL_malloc(sizeof(FFCONDITION) * dest->cAxes);
528 if (condition == NULL) {
529 SDL_OutOfMemory();
530 return -1;
531 }
532
533 /* Specifics */
534 for (i=0; i<dest->cAxes; i++) {
535 condition[i].lOffset = CONVERT(hap_constant->center[i]);
536 condition[i].lPositiveCoefficient = CONVERT(hap_constant->right_coeff[i]);
537 condition[i].lNegativeCoefficient = CONVERT(hap_constant->left_coeff[i]);
538 condition[i].dwPositiveSaturation = CONVERT(hap_constant->right_sat[i]);
539 condition[i].dwNegativeSaturation = CONVERT(hap_constant->left_sat[i]);
540 condition[i].lDeadBand = CONVERT(hap_constant->deadband[i]);
541 }
542 dest->cbTypeSpecificParams = sizeof(FFCONDITION) * dest->cAxes;
543 dest->lpvTypeSpecificParams = condition;
544
545 /* Generics */
546 dest->dwDuration = hap_constant->length * 1000; /* In microseconds. */
547 dest->dwTriggerButton = FFJOFS_BUTTON(hap_constant->button);
548 dest->dwTriggerRepeatInterval = hap_constant->interval;
549 dest->dwStartDelay = hap_constant->delay * 1000; /* In microseconds. */
550
551 /* Direction. */
552 if (SDL_SYS_SetDirection(dest, &hap_constant->direction, dest->cAxes) < 0) {
553 return -1;
554 }
555
556 /* Envelope */
557 envelope->dwAttackLevel = CONVERT(hap_constant->attack_level);
558 envelope->dwAttackTime = hap_constant->attack_length * 1000;
559 envelope->dwFadeLevel = CONVERT(hap_constant->fade_level);
560 envelope->dwFadeTime = hap_constant->fade_length * 1000;
518 561
519 break; 562 break;
520 563
521 case SDL_HAPTIC_RAMP: 564 case SDL_HAPTIC_RAMP:
522 hap_ramp = &src->ramp; 565 hap_ramp = &src->ramp;