diff options
| author | 3gg <3gg@shellblade.net> | 2025-12-27 12:03:39 -0800 |
|---|---|---|
| committer | 3gg <3gg@shellblade.net> | 2025-12-27 12:03:39 -0800 |
| commit | 5a079a2d114f96d4847d1ee305d5b7c16eeec50e (patch) | |
| tree | 8926ab44f168acf787d8e19608857b3af0f82758 /contrib/SDL-3.2.8/src/haptic | |
Initial commit
Diffstat (limited to 'contrib/SDL-3.2.8/src/haptic')
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/SDL_haptic.c | 788 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/SDL_haptic_c.h | 28 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/SDL_syshaptic.h | 194 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic.c | 307 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic_c.h | 28 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/darwin/SDL_syshaptic.c | 1373 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/darwin/SDL_syshaptic_c.h | 29 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/dummy/SDL_syshaptic.c | 151 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/linux/SDL_syshaptic.c | 1134 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/windows/SDL_dinputhaptic.c | 1244 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/windows/SDL_dinputhaptic_c.h | 53 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/windows/SDL_windowshaptic.c | 369 | ||||
| -rw-r--r-- | contrib/SDL-3.2.8/src/haptic/windows/SDL_windowshaptic_c.h | 87 |
13 files changed, 5785 insertions, 0 deletions
diff --git a/contrib/SDL-3.2.8/src/haptic/SDL_haptic.c b/contrib/SDL-3.2.8/src/haptic/SDL_haptic.c new file mode 100644 index 0000000..1c11db6 --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/SDL_haptic.c | |||
| @@ -0,0 +1,788 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #include "SDL_syshaptic.h" | ||
| 24 | #include "SDL_haptic_c.h" | ||
| 25 | #include "../joystick/SDL_joystick_c.h" // For SDL_IsJoystickValid | ||
| 26 | #include "../SDL_hints_c.h" | ||
| 27 | |||
| 28 | typedef struct SDL_Haptic_VIDPID_Naxes { | ||
| 29 | Uint16 vid; | ||
| 30 | Uint16 pid; | ||
| 31 | Uint16 naxes; | ||
| 32 | } SDL_Haptic_VIDPID_Naxes; | ||
| 33 | |||
| 34 | static void SDL_Haptic_Load_Axes_List(SDL_Haptic_VIDPID_Naxes **entries, int *num_entries) | ||
| 35 | { | ||
| 36 | SDL_Haptic_VIDPID_Naxes entry; | ||
| 37 | const char *spot; | ||
| 38 | int length = 0; | ||
| 39 | |||
| 40 | spot = SDL_GetHint(SDL_HINT_JOYSTICK_HAPTIC_AXES); | ||
| 41 | if (!spot) | ||
| 42 | return; | ||
| 43 | |||
| 44 | while (SDL_sscanf(spot, "0x%hx/0x%hx/%hu%n", &entry.vid, &entry.pid, &entry.naxes, &length) == 3) { | ||
| 45 | SDL_assert(length > 0); | ||
| 46 | spot += length; | ||
| 47 | length = 0; | ||
| 48 | |||
| 49 | if ((*num_entries % 8) == 0) { | ||
| 50 | int new_max = *num_entries + 8; | ||
| 51 | SDL_Haptic_VIDPID_Naxes *new_entries = | ||
| 52 | (SDL_Haptic_VIDPID_Naxes *)SDL_realloc(*entries, new_max * sizeof(**entries)); | ||
| 53 | |||
| 54 | // Out of memory, go with what we have already | ||
| 55 | if (!new_entries) | ||
| 56 | break; | ||
| 57 | |||
| 58 | *entries = new_entries; | ||
| 59 | } | ||
| 60 | (*entries)[(*num_entries)++] = entry; | ||
| 61 | |||
| 62 | if (spot[0] == ',') | ||
| 63 | spot++; | ||
| 64 | } | ||
| 65 | } | ||
| 66 | |||
| 67 | // /* Return -1 if not found */ | ||
| 68 | static int SDL_Haptic_Naxes_List_Index(struct SDL_Haptic_VIDPID_Naxes *entries, int num_entries, Uint16 vid, Uint16 pid) | ||
| 69 | { | ||
| 70 | if (!entries) | ||
| 71 | return -1; | ||
| 72 | |||
| 73 | int i; | ||
| 74 | for (i = 0; i < num_entries; ++i) { | ||
| 75 | if (entries[i].vid == vid && entries[i].pid == pid) | ||
| 76 | return i; | ||
| 77 | } | ||
| 78 | |||
| 79 | return -1; | ||
| 80 | } | ||
| 81 | |||
| 82 | // Check if device needs a custom number of naxes | ||
| 83 | static int SDL_Haptic_Get_Naxes(Uint16 vid, Uint16 pid) | ||
| 84 | { | ||
| 85 | int num_entries = 0, index = 0, naxes = -1; | ||
| 86 | SDL_Haptic_VIDPID_Naxes *naxes_list = NULL; | ||
| 87 | |||
| 88 | SDL_Haptic_Load_Axes_List(&naxes_list, &num_entries); | ||
| 89 | if (!num_entries || !naxes_list) | ||
| 90 | return -1; | ||
| 91 | |||
| 92 | // Perform "wildcard" pass | ||
| 93 | index = SDL_Haptic_Naxes_List_Index(naxes_list, num_entries, 0xffff, 0xffff); | ||
| 94 | if (index >= 0) | ||
| 95 | naxes = naxes_list[index].naxes; | ||
| 96 | |||
| 97 | index = SDL_Haptic_Naxes_List_Index(naxes_list, num_entries, vid, pid); | ||
| 98 | if (index >= 0) | ||
| 99 | naxes = naxes_list[index].naxes; | ||
| 100 | |||
| 101 | SDL_free(naxes_list); | ||
| 102 | return naxes; | ||
| 103 | } | ||
| 104 | |||
| 105 | static SDL_Haptic *SDL_haptics = NULL; | ||
| 106 | |||
| 107 | #define CHECK_HAPTIC_MAGIC(haptic, result) \ | ||
| 108 | if (!SDL_ObjectValid(haptic, SDL_OBJECT_TYPE_HAPTIC)) { \ | ||
| 109 | SDL_InvalidParamError("haptic"); \ | ||
| 110 | return result; \ | ||
| 111 | } | ||
| 112 | |||
| 113 | bool SDL_InitHaptics(void) | ||
| 114 | { | ||
| 115 | return SDL_SYS_HapticInit(); | ||
| 116 | } | ||
| 117 | |||
| 118 | static bool SDL_GetHapticIndex(SDL_HapticID instance_id, int *driver_index) | ||
| 119 | { | ||
| 120 | int num_haptics, device_index; | ||
| 121 | |||
| 122 | if (instance_id > 0) { | ||
| 123 | num_haptics = SDL_SYS_NumHaptics(); | ||
| 124 | for (device_index = 0; device_index < num_haptics; ++device_index) { | ||
| 125 | SDL_HapticID haptic_id = SDL_SYS_HapticInstanceID(device_index); | ||
| 126 | if (haptic_id == instance_id) { | ||
| 127 | *driver_index = device_index; | ||
| 128 | return true; | ||
| 129 | } | ||
| 130 | } | ||
| 131 | } | ||
| 132 | |||
| 133 | SDL_SetError("Haptic device %" SDL_PRIu32 " not found", instance_id); | ||
| 134 | return false; | ||
| 135 | } | ||
| 136 | |||
| 137 | SDL_HapticID *SDL_GetHaptics(int *count) | ||
| 138 | { | ||
| 139 | int device_index; | ||
| 140 | int haptic_index = 0, num_haptics = 0; | ||
| 141 | SDL_HapticID *haptics; | ||
| 142 | |||
| 143 | num_haptics = SDL_SYS_NumHaptics(); | ||
| 144 | |||
| 145 | haptics = (SDL_HapticID *)SDL_malloc((num_haptics + 1) * sizeof(*haptics)); | ||
| 146 | if (haptics) { | ||
| 147 | if (count) { | ||
| 148 | *count = num_haptics; | ||
| 149 | } | ||
| 150 | |||
| 151 | for (device_index = 0; device_index < num_haptics; ++device_index) { | ||
| 152 | haptics[haptic_index] = SDL_SYS_HapticInstanceID(device_index); | ||
| 153 | SDL_assert(haptics[haptic_index] > 0); | ||
| 154 | ++haptic_index; | ||
| 155 | } | ||
| 156 | haptics[haptic_index] = 0; | ||
| 157 | } else { | ||
| 158 | if (count) { | ||
| 159 | *count = 0; | ||
| 160 | } | ||
| 161 | } | ||
| 162 | |||
| 163 | return haptics; | ||
| 164 | } | ||
| 165 | |||
| 166 | const char *SDL_GetHapticNameForID(SDL_HapticID instance_id) | ||
| 167 | { | ||
| 168 | int device_index; | ||
| 169 | const char *name = NULL; | ||
| 170 | |||
| 171 | if (SDL_GetHapticIndex(instance_id, &device_index)) { | ||
| 172 | name = SDL_GetPersistentString(SDL_SYS_HapticName(device_index)); | ||
| 173 | } | ||
| 174 | return name; | ||
| 175 | } | ||
| 176 | |||
| 177 | SDL_Haptic *SDL_OpenHaptic(SDL_HapticID instance_id) | ||
| 178 | { | ||
| 179 | SDL_Haptic *haptic; | ||
| 180 | SDL_Haptic *hapticlist; | ||
| 181 | const char *name; | ||
| 182 | int device_index = 0; | ||
| 183 | |||
| 184 | if (!SDL_GetHapticIndex(instance_id, &device_index)) { | ||
| 185 | return NULL; | ||
| 186 | } | ||
| 187 | |||
| 188 | hapticlist = SDL_haptics; | ||
| 189 | /* If the haptic device is already open, return it | ||
| 190 | * it is important that we have a single haptic device for each instance id | ||
| 191 | */ | ||
| 192 | while (hapticlist) { | ||
| 193 | if (instance_id == hapticlist->instance_id) { | ||
| 194 | haptic = hapticlist; | ||
| 195 | ++haptic->ref_count; | ||
| 196 | return haptic; | ||
| 197 | } | ||
| 198 | hapticlist = hapticlist->next; | ||
| 199 | } | ||
| 200 | |||
| 201 | // Create the haptic device | ||
| 202 | haptic = (SDL_Haptic *)SDL_calloc(1, sizeof(*haptic)); | ||
| 203 | if (!haptic) { | ||
| 204 | return NULL; | ||
| 205 | } | ||
| 206 | |||
| 207 | // Initialize the haptic device | ||
| 208 | SDL_SetObjectValid(haptic, SDL_OBJECT_TYPE_HAPTIC, true); | ||
| 209 | haptic->instance_id = instance_id; | ||
| 210 | haptic->rumble_id = -1; | ||
| 211 | if (!SDL_SYS_HapticOpen(haptic)) { | ||
| 212 | SDL_SetObjectValid(haptic, SDL_OBJECT_TYPE_HAPTIC, false); | ||
| 213 | SDL_free(haptic); | ||
| 214 | return NULL; | ||
| 215 | } | ||
| 216 | |||
| 217 | if (!haptic->name) { | ||
| 218 | name = SDL_SYS_HapticName(device_index); | ||
| 219 | if (name) { | ||
| 220 | haptic->name = SDL_strdup(name); | ||
| 221 | } | ||
| 222 | } | ||
| 223 | |||
| 224 | // Add haptic to list | ||
| 225 | ++haptic->ref_count; | ||
| 226 | // Link the haptic in the list | ||
| 227 | haptic->next = SDL_haptics; | ||
| 228 | SDL_haptics = haptic; | ||
| 229 | |||
| 230 | // Disable autocenter and set gain to max. | ||
| 231 | if (haptic->supported & SDL_HAPTIC_GAIN) { | ||
| 232 | SDL_SetHapticGain(haptic, 100); | ||
| 233 | } | ||
| 234 | if (haptic->supported & SDL_HAPTIC_AUTOCENTER) { | ||
| 235 | SDL_SetHapticAutocenter(haptic, 0); | ||
| 236 | } | ||
| 237 | |||
| 238 | return haptic; | ||
| 239 | } | ||
| 240 | |||
| 241 | SDL_Haptic *SDL_GetHapticFromID(SDL_HapticID instance_id) | ||
| 242 | { | ||
| 243 | SDL_Haptic *haptic; | ||
| 244 | |||
| 245 | for (haptic = SDL_haptics; haptic; haptic = haptic->next) { | ||
| 246 | if (instance_id == haptic->instance_id) { | ||
| 247 | break; | ||
| 248 | } | ||
| 249 | } | ||
| 250 | return haptic; | ||
| 251 | } | ||
| 252 | |||
| 253 | SDL_HapticID SDL_GetHapticID(SDL_Haptic *haptic) | ||
| 254 | { | ||
| 255 | CHECK_HAPTIC_MAGIC(haptic, 0); | ||
| 256 | |||
| 257 | return haptic->instance_id; | ||
| 258 | } | ||
| 259 | |||
| 260 | const char *SDL_GetHapticName(SDL_Haptic *haptic) | ||
| 261 | { | ||
| 262 | CHECK_HAPTIC_MAGIC(haptic, NULL); | ||
| 263 | |||
| 264 | return SDL_GetPersistentString(haptic->name); | ||
| 265 | } | ||
| 266 | |||
| 267 | bool SDL_IsMouseHaptic(void) | ||
| 268 | { | ||
| 269 | if (SDL_SYS_HapticMouse() < 0) { | ||
| 270 | return false; | ||
| 271 | } | ||
| 272 | return true; | ||
| 273 | } | ||
| 274 | |||
| 275 | SDL_Haptic *SDL_OpenHapticFromMouse(void) | ||
| 276 | { | ||
| 277 | int device_index; | ||
| 278 | |||
| 279 | device_index = SDL_SYS_HapticMouse(); | ||
| 280 | |||
| 281 | if (device_index < 0) { | ||
| 282 | SDL_SetError("Haptic: Mouse isn't a haptic device."); | ||
| 283 | return NULL; | ||
| 284 | } | ||
| 285 | |||
| 286 | return SDL_OpenHaptic(device_index); | ||
| 287 | } | ||
| 288 | |||
| 289 | bool SDL_IsJoystickHaptic(SDL_Joystick *joystick) | ||
| 290 | { | ||
| 291 | bool result = false; | ||
| 292 | |||
| 293 | SDL_LockJoysticks(); | ||
| 294 | { | ||
| 295 | // Must be a valid joystick | ||
| 296 | if (SDL_IsJoystickValid(joystick) && | ||
| 297 | !SDL_IsGamepad(SDL_GetJoystickID(joystick))) { | ||
| 298 | result = SDL_SYS_JoystickIsHaptic(joystick); | ||
| 299 | } | ||
| 300 | } | ||
| 301 | SDL_UnlockJoysticks(); | ||
| 302 | |||
| 303 | return result; | ||
| 304 | } | ||
| 305 | |||
| 306 | SDL_Haptic *SDL_OpenHapticFromJoystick(SDL_Joystick *joystick) | ||
| 307 | { | ||
| 308 | SDL_Haptic *haptic; | ||
| 309 | SDL_Haptic *hapticlist; | ||
| 310 | |||
| 311 | SDL_LockJoysticks(); | ||
| 312 | { | ||
| 313 | // Must be a valid joystick | ||
| 314 | if (!SDL_IsJoystickValid(joystick)) { | ||
| 315 | SDL_SetError("Haptic: Joystick isn't valid."); | ||
| 316 | SDL_UnlockJoysticks(); | ||
| 317 | return NULL; | ||
| 318 | } | ||
| 319 | |||
| 320 | // Joystick must be haptic | ||
| 321 | if (SDL_IsGamepad(SDL_GetJoystickID(joystick)) || | ||
| 322 | !SDL_SYS_JoystickIsHaptic(joystick)) { | ||
| 323 | SDL_SetError("Haptic: Joystick isn't a haptic device."); | ||
| 324 | SDL_UnlockJoysticks(); | ||
| 325 | return NULL; | ||
| 326 | } | ||
| 327 | |||
| 328 | hapticlist = SDL_haptics; | ||
| 329 | // Check to see if joystick's haptic is already open | ||
| 330 | while (hapticlist) { | ||
| 331 | if (SDL_SYS_JoystickSameHaptic(hapticlist, joystick)) { | ||
| 332 | haptic = hapticlist; | ||
| 333 | ++haptic->ref_count; | ||
| 334 | SDL_UnlockJoysticks(); | ||
| 335 | return haptic; | ||
| 336 | } | ||
| 337 | hapticlist = hapticlist->next; | ||
| 338 | } | ||
| 339 | |||
| 340 | // Create the haptic device | ||
| 341 | haptic = (SDL_Haptic *)SDL_calloc(1, sizeof(*haptic)); | ||
| 342 | if (!haptic) { | ||
| 343 | SDL_UnlockJoysticks(); | ||
| 344 | return NULL; | ||
| 345 | } | ||
| 346 | |||
| 347 | /* Initialize the haptic device | ||
| 348 | * This function should fill in the instance ID and name. | ||
| 349 | */ | ||
| 350 | SDL_SetObjectValid(haptic, SDL_OBJECT_TYPE_HAPTIC, true); | ||
| 351 | haptic->rumble_id = -1; | ||
| 352 | if (!SDL_SYS_HapticOpenFromJoystick(haptic, joystick)) { | ||
| 353 | SDL_SetError("Haptic: SDL_SYS_HapticOpenFromJoystick failed."); | ||
| 354 | SDL_SetObjectValid(haptic, SDL_OBJECT_TYPE_HAPTIC, false); | ||
| 355 | SDL_free(haptic); | ||
| 356 | SDL_UnlockJoysticks(); | ||
| 357 | return NULL; | ||
| 358 | } | ||
| 359 | SDL_assert(haptic->instance_id != 0); | ||
| 360 | } | ||
| 361 | SDL_UnlockJoysticks(); | ||
| 362 | |||
| 363 | // Check if custom number of haptic axes was defined | ||
| 364 | Uint16 vid = SDL_GetJoystickVendor(joystick); | ||
| 365 | Uint16 pid = SDL_GetJoystickProduct(joystick); | ||
| 366 | int general_axes = SDL_GetNumJoystickAxes(joystick); | ||
| 367 | |||
| 368 | int naxes = SDL_Haptic_Get_Naxes(vid, pid); | ||
| 369 | if (naxes > 0) | ||
| 370 | haptic->naxes = naxes; | ||
| 371 | |||
| 372 | // Limit to the actual number of axes found on the device | ||
| 373 | if (general_axes >= 0 && naxes > general_axes) | ||
| 374 | haptic->naxes = general_axes; | ||
| 375 | |||
| 376 | // Add haptic to list | ||
| 377 | ++haptic->ref_count; | ||
| 378 | // Link the haptic in the list | ||
| 379 | haptic->next = SDL_haptics; | ||
| 380 | SDL_haptics = haptic; | ||
| 381 | |||
| 382 | return haptic; | ||
| 383 | } | ||
| 384 | |||
| 385 | void SDL_CloseHaptic(SDL_Haptic *haptic) | ||
| 386 | { | ||
| 387 | int i; | ||
| 388 | SDL_Haptic *hapticlist; | ||
| 389 | SDL_Haptic *hapticlistprev; | ||
| 390 | |||
| 391 | CHECK_HAPTIC_MAGIC(haptic,); | ||
| 392 | |||
| 393 | // Check if it's still in use | ||
| 394 | if (--haptic->ref_count > 0) { | ||
| 395 | return; | ||
| 396 | } | ||
| 397 | |||
| 398 | // Close it, properly removing effects if needed | ||
| 399 | for (i = 0; i < haptic->neffects; i++) { | ||
| 400 | if (haptic->effects[i].hweffect != NULL) { | ||
| 401 | SDL_DestroyHapticEffect(haptic, i); | ||
| 402 | } | ||
| 403 | } | ||
| 404 | SDL_SYS_HapticClose(haptic); | ||
| 405 | SDL_SetObjectValid(haptic, SDL_OBJECT_TYPE_HAPTIC, false); | ||
| 406 | |||
| 407 | // Remove from the list | ||
| 408 | hapticlist = SDL_haptics; | ||
| 409 | hapticlistprev = NULL; | ||
| 410 | while (hapticlist) { | ||
| 411 | if (haptic == hapticlist) { | ||
| 412 | if (hapticlistprev) { | ||
| 413 | // unlink this entry | ||
| 414 | hapticlistprev->next = hapticlist->next; | ||
| 415 | } else { | ||
| 416 | SDL_haptics = haptic->next; | ||
| 417 | } | ||
| 418 | |||
| 419 | break; | ||
| 420 | } | ||
| 421 | hapticlistprev = hapticlist; | ||
| 422 | hapticlist = hapticlist->next; | ||
| 423 | } | ||
| 424 | |||
| 425 | // Free the data associated with this device | ||
| 426 | SDL_free(haptic->name); | ||
| 427 | SDL_free(haptic); | ||
| 428 | } | ||
| 429 | |||
| 430 | void SDL_QuitHaptics(void) | ||
| 431 | { | ||
| 432 | while (SDL_haptics) { | ||
| 433 | SDL_CloseHaptic(SDL_haptics); | ||
| 434 | } | ||
| 435 | |||
| 436 | SDL_SYS_HapticQuit(); | ||
| 437 | } | ||
| 438 | |||
| 439 | int SDL_GetMaxHapticEffects(SDL_Haptic *haptic) | ||
| 440 | { | ||
| 441 | CHECK_HAPTIC_MAGIC(haptic, -1); | ||
| 442 | |||
| 443 | return haptic->neffects; | ||
| 444 | } | ||
| 445 | |||
| 446 | int SDL_GetMaxHapticEffectsPlaying(SDL_Haptic *haptic) | ||
| 447 | { | ||
| 448 | CHECK_HAPTIC_MAGIC(haptic, -1); | ||
| 449 | |||
| 450 | return haptic->nplaying; | ||
| 451 | } | ||
| 452 | |||
| 453 | Uint32 SDL_GetHapticFeatures(SDL_Haptic *haptic) | ||
| 454 | { | ||
| 455 | CHECK_HAPTIC_MAGIC(haptic, 0); | ||
| 456 | |||
| 457 | return haptic->supported; | ||
| 458 | } | ||
| 459 | |||
| 460 | int SDL_GetNumHapticAxes(SDL_Haptic *haptic) | ||
| 461 | { | ||
| 462 | CHECK_HAPTIC_MAGIC(haptic, -1); | ||
| 463 | |||
| 464 | return haptic->naxes; | ||
| 465 | } | ||
| 466 | |||
| 467 | bool SDL_HapticEffectSupported(SDL_Haptic *haptic, const SDL_HapticEffect *effect) | ||
| 468 | { | ||
| 469 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 470 | |||
| 471 | if (!effect) { | ||
| 472 | return false; | ||
| 473 | } | ||
| 474 | |||
| 475 | if ((haptic->supported & effect->type) != 0) { | ||
| 476 | return true; | ||
| 477 | } | ||
| 478 | return false; | ||
| 479 | } | ||
| 480 | |||
| 481 | int SDL_CreateHapticEffect(SDL_Haptic *haptic, const SDL_HapticEffect *effect) | ||
| 482 | { | ||
| 483 | int i; | ||
| 484 | |||
| 485 | CHECK_HAPTIC_MAGIC(haptic, -1); | ||
| 486 | |||
| 487 | if (!effect) { | ||
| 488 | SDL_InvalidParamError("effect"); | ||
| 489 | return -1; | ||
| 490 | } | ||
| 491 | |||
| 492 | // Check to see if effect is supported | ||
| 493 | if (SDL_HapticEffectSupported(haptic, effect) == false) { | ||
| 494 | SDL_SetError("Haptic: Effect not supported by haptic device."); | ||
| 495 | return -1; | ||
| 496 | } | ||
| 497 | |||
| 498 | // See if there's a free slot | ||
| 499 | for (i = 0; i < haptic->neffects; i++) { | ||
| 500 | if (haptic->effects[i].hweffect == NULL) { | ||
| 501 | |||
| 502 | // Now let the backend create the real effect | ||
| 503 | if (!SDL_SYS_HapticNewEffect(haptic, &haptic->effects[i], effect)) { | ||
| 504 | return -1; // Backend failed to create effect | ||
| 505 | } | ||
| 506 | |||
| 507 | SDL_memcpy(&haptic->effects[i].effect, effect, | ||
| 508 | sizeof(SDL_HapticEffect)); | ||
| 509 | return i; | ||
| 510 | } | ||
| 511 | } | ||
| 512 | |||
| 513 | SDL_SetError("Haptic: Device has no free space left."); | ||
| 514 | return -1; | ||
| 515 | } | ||
| 516 | |||
| 517 | static bool ValidEffect(SDL_Haptic *haptic, int effect) | ||
| 518 | { | ||
| 519 | if ((effect < 0) || (effect >= haptic->neffects)) { | ||
| 520 | SDL_SetError("Haptic: Invalid effect identifier."); | ||
| 521 | return false; | ||
| 522 | } | ||
| 523 | return true; | ||
| 524 | } | ||
| 525 | |||
| 526 | bool SDL_UpdateHapticEffect(SDL_Haptic *haptic, int effect, const SDL_HapticEffect *data) | ||
| 527 | { | ||
| 528 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 529 | |||
| 530 | if (!ValidEffect(haptic, effect)) { | ||
| 531 | return false; | ||
| 532 | } | ||
| 533 | |||
| 534 | if (!data) { | ||
| 535 | return SDL_InvalidParamError("data"); | ||
| 536 | } | ||
| 537 | |||
| 538 | // Can't change type dynamically. | ||
| 539 | if (data->type != haptic->effects[effect].effect.type) { | ||
| 540 | return SDL_SetError("Haptic: Updating effect type is illegal."); | ||
| 541 | } | ||
| 542 | |||
| 543 | // Updates the effect | ||
| 544 | if (!SDL_SYS_HapticUpdateEffect(haptic, &haptic->effects[effect], data)) { | ||
| 545 | return false; | ||
| 546 | } | ||
| 547 | |||
| 548 | SDL_memcpy(&haptic->effects[effect].effect, data, | ||
| 549 | sizeof(SDL_HapticEffect)); | ||
| 550 | return true; | ||
| 551 | } | ||
| 552 | |||
| 553 | bool SDL_RunHapticEffect(SDL_Haptic *haptic, int effect, Uint32 iterations) | ||
| 554 | { | ||
| 555 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 556 | |||
| 557 | if (!ValidEffect(haptic, effect)) { | ||
| 558 | return false; | ||
| 559 | } | ||
| 560 | |||
| 561 | // Run the effect | ||
| 562 | if (!SDL_SYS_HapticRunEffect(haptic, &haptic->effects[effect], iterations)) { | ||
| 563 | return false; | ||
| 564 | } | ||
| 565 | |||
| 566 | return true; | ||
| 567 | } | ||
| 568 | |||
| 569 | bool SDL_StopHapticEffect(SDL_Haptic *haptic, int effect) | ||
| 570 | { | ||
| 571 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 572 | |||
| 573 | if (!ValidEffect(haptic, effect)) { | ||
| 574 | return false; | ||
| 575 | } | ||
| 576 | |||
| 577 | // Stop the effect | ||
| 578 | if (!SDL_SYS_HapticStopEffect(haptic, &haptic->effects[effect])) { | ||
| 579 | return false; | ||
| 580 | } | ||
| 581 | |||
| 582 | return true; | ||
| 583 | } | ||
| 584 | |||
| 585 | void SDL_DestroyHapticEffect(SDL_Haptic *haptic, int effect) | ||
| 586 | { | ||
| 587 | CHECK_HAPTIC_MAGIC(haptic,); | ||
| 588 | |||
| 589 | if (!ValidEffect(haptic, effect)) { | ||
| 590 | return; | ||
| 591 | } | ||
| 592 | |||
| 593 | // Not allocated | ||
| 594 | if (haptic->effects[effect].hweffect == NULL) { | ||
| 595 | return; | ||
| 596 | } | ||
| 597 | |||
| 598 | SDL_SYS_HapticDestroyEffect(haptic, &haptic->effects[effect]); | ||
| 599 | } | ||
| 600 | |||
| 601 | bool SDL_GetHapticEffectStatus(SDL_Haptic *haptic, int effect) | ||
| 602 | { | ||
| 603 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 604 | |||
| 605 | if (!ValidEffect(haptic, effect)) { | ||
| 606 | return false; | ||
| 607 | } | ||
| 608 | |||
| 609 | if (!(haptic->supported & SDL_HAPTIC_STATUS)) { | ||
| 610 | return SDL_SetError("Haptic: Device does not support status queries."); | ||
| 611 | } | ||
| 612 | |||
| 613 | SDL_ClearError(); | ||
| 614 | |||
| 615 | return (SDL_SYS_HapticGetEffectStatus(haptic, &haptic->effects[effect]) > 0); | ||
| 616 | } | ||
| 617 | |||
| 618 | bool SDL_SetHapticGain(SDL_Haptic *haptic, int gain) | ||
| 619 | { | ||
| 620 | const char *env; | ||
| 621 | int real_gain, max_gain; | ||
| 622 | |||
| 623 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 624 | |||
| 625 | if (!(haptic->supported & SDL_HAPTIC_GAIN)) { | ||
| 626 | return SDL_SetError("Haptic: Device does not support setting gain."); | ||
| 627 | } | ||
| 628 | |||
| 629 | if ((gain < 0) || (gain > 100)) { | ||
| 630 | return SDL_SetError("Haptic: Gain must be between 0 and 100."); | ||
| 631 | } | ||
| 632 | |||
| 633 | // The user can use an environment variable to override the max gain. | ||
| 634 | env = SDL_getenv("SDL_HAPTIC_GAIN_MAX"); | ||
| 635 | if (env) { | ||
| 636 | max_gain = SDL_atoi(env); | ||
| 637 | |||
| 638 | // Check for sanity. | ||
| 639 | if (max_gain < 0) { | ||
| 640 | max_gain = 0; | ||
| 641 | } else if (max_gain > 100) { | ||
| 642 | max_gain = 100; | ||
| 643 | } | ||
| 644 | |||
| 645 | // We'll scale it linearly with SDL_HAPTIC_GAIN_MAX | ||
| 646 | real_gain = (gain * max_gain) / 100; | ||
| 647 | } else { | ||
| 648 | real_gain = gain; | ||
| 649 | } | ||
| 650 | |||
| 651 | return SDL_SYS_HapticSetGain(haptic, real_gain); | ||
| 652 | } | ||
| 653 | |||
| 654 | bool SDL_SetHapticAutocenter(SDL_Haptic *haptic, int autocenter) | ||
| 655 | { | ||
| 656 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 657 | |||
| 658 | if (!(haptic->supported & SDL_HAPTIC_AUTOCENTER)) { | ||
| 659 | return SDL_SetError("Haptic: Device does not support setting autocenter."); | ||
| 660 | } | ||
| 661 | |||
| 662 | if ((autocenter < 0) || (autocenter > 100)) { | ||
| 663 | return SDL_SetError("Haptic: Autocenter must be between 0 and 100."); | ||
| 664 | } | ||
| 665 | |||
| 666 | return SDL_SYS_HapticSetAutocenter(haptic, autocenter); | ||
| 667 | } | ||
| 668 | |||
| 669 | bool SDL_PauseHaptic(SDL_Haptic *haptic) | ||
| 670 | { | ||
| 671 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 672 | |||
| 673 | if (!(haptic->supported & SDL_HAPTIC_PAUSE)) { | ||
| 674 | return SDL_SetError("Haptic: Device does not support setting pausing."); | ||
| 675 | } | ||
| 676 | |||
| 677 | return SDL_SYS_HapticPause(haptic); | ||
| 678 | } | ||
| 679 | |||
| 680 | bool SDL_ResumeHaptic(SDL_Haptic *haptic) | ||
| 681 | { | ||
| 682 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 683 | |||
| 684 | if (!(haptic->supported & SDL_HAPTIC_PAUSE)) { | ||
| 685 | return true; // Not going to be paused, so we pretend it's unpaused. | ||
| 686 | } | ||
| 687 | |||
| 688 | return SDL_SYS_HapticResume(haptic); | ||
| 689 | } | ||
| 690 | |||
| 691 | bool SDL_StopHapticEffects(SDL_Haptic *haptic) | ||
| 692 | { | ||
| 693 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 694 | |||
| 695 | return SDL_SYS_HapticStopAll(haptic); | ||
| 696 | } | ||
| 697 | |||
| 698 | bool SDL_HapticRumbleSupported(SDL_Haptic *haptic) | ||
| 699 | { | ||
| 700 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 701 | |||
| 702 | // Most things can use SINE, but XInput only has LEFTRIGHT. | ||
| 703 | return (haptic->supported & (SDL_HAPTIC_SINE | SDL_HAPTIC_LEFTRIGHT)) != 0; | ||
| 704 | } | ||
| 705 | |||
| 706 | bool SDL_InitHapticRumble(SDL_Haptic *haptic) | ||
| 707 | { | ||
| 708 | SDL_HapticEffect *efx = &haptic->rumble_effect; | ||
| 709 | |||
| 710 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 711 | |||
| 712 | // Already allocated. | ||
| 713 | if (haptic->rumble_id >= 0) { | ||
| 714 | return true; | ||
| 715 | } | ||
| 716 | |||
| 717 | SDL_zerop(efx); | ||
| 718 | if (haptic->supported & SDL_HAPTIC_SINE) { | ||
| 719 | efx->type = SDL_HAPTIC_SINE; | ||
| 720 | efx->periodic.direction.type = SDL_HAPTIC_CARTESIAN; | ||
| 721 | efx->periodic.period = 1000; | ||
| 722 | efx->periodic.magnitude = 0x4000; | ||
| 723 | efx->periodic.length = 5000; | ||
| 724 | efx->periodic.attack_length = 0; | ||
| 725 | efx->periodic.fade_length = 0; | ||
| 726 | } else if (haptic->supported & SDL_HAPTIC_LEFTRIGHT) { // XInput? | ||
| 727 | efx->type = SDL_HAPTIC_LEFTRIGHT; | ||
| 728 | efx->leftright.length = 5000; | ||
| 729 | efx->leftright.large_magnitude = 0x4000; | ||
| 730 | efx->leftright.small_magnitude = 0x4000; | ||
| 731 | } else { | ||
| 732 | return SDL_SetError("Device doesn't support rumble"); | ||
| 733 | } | ||
| 734 | |||
| 735 | haptic->rumble_id = SDL_CreateHapticEffect(haptic, &haptic->rumble_effect); | ||
| 736 | if (haptic->rumble_id >= 0) { | ||
| 737 | return true; | ||
| 738 | } | ||
| 739 | return false; | ||
| 740 | } | ||
| 741 | |||
| 742 | bool SDL_PlayHapticRumble(SDL_Haptic *haptic, float strength, Uint32 length) | ||
| 743 | { | ||
| 744 | SDL_HapticEffect *efx; | ||
| 745 | Sint16 magnitude; | ||
| 746 | |||
| 747 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 748 | |||
| 749 | if (haptic->rumble_id < 0) { | ||
| 750 | return SDL_SetError("Haptic: Rumble effect not initialized on haptic device"); | ||
| 751 | } | ||
| 752 | |||
| 753 | // Clamp strength. | ||
| 754 | if (strength > 1.0f) { | ||
| 755 | strength = 1.0f; | ||
| 756 | } else if (strength < 0.0f) { | ||
| 757 | strength = 0.0f; | ||
| 758 | } | ||
| 759 | magnitude = (Sint16)(32767.0f * strength); | ||
| 760 | |||
| 761 | efx = &haptic->rumble_effect; | ||
| 762 | if (efx->type == SDL_HAPTIC_SINE) { | ||
| 763 | efx->periodic.magnitude = magnitude; | ||
| 764 | efx->periodic.length = length; | ||
| 765 | } else if (efx->type == SDL_HAPTIC_LEFTRIGHT) { | ||
| 766 | efx->leftright.small_magnitude = efx->leftright.large_magnitude = magnitude; | ||
| 767 | efx->leftright.length = length; | ||
| 768 | } else { | ||
| 769 | SDL_assert(!"This should have been caught elsewhere"); | ||
| 770 | } | ||
| 771 | |||
| 772 | if (!SDL_UpdateHapticEffect(haptic, haptic->rumble_id, &haptic->rumble_effect)) { | ||
| 773 | return false; | ||
| 774 | } | ||
| 775 | |||
| 776 | return SDL_RunHapticEffect(haptic, haptic->rumble_id, 1); | ||
| 777 | } | ||
| 778 | |||
| 779 | bool SDL_StopHapticRumble(SDL_Haptic *haptic) | ||
| 780 | { | ||
| 781 | CHECK_HAPTIC_MAGIC(haptic, false); | ||
| 782 | |||
| 783 | if (haptic->rumble_id < 0) { | ||
| 784 | return SDL_SetError("Haptic: Rumble effect not initialized on haptic device"); | ||
| 785 | } | ||
| 786 | |||
| 787 | return SDL_StopHapticEffect(haptic, haptic->rumble_id); | ||
| 788 | } | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/SDL_haptic_c.h b/contrib/SDL-3.2.8/src/haptic/SDL_haptic_c.h new file mode 100644 index 0000000..3f5ce87 --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/SDL_haptic_c.h | |||
| @@ -0,0 +1,28 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | |||
| 22 | #ifndef SDL_haptic_c_h_ | ||
| 23 | #define SDL_haptic_c_h_ | ||
| 24 | |||
| 25 | extern bool SDL_InitHaptics(void); | ||
| 26 | extern void SDL_QuitHaptics(void); | ||
| 27 | |||
| 28 | #endif // SDL_haptic_c_h_ | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/SDL_syshaptic.h b/contrib/SDL-3.2.8/src/haptic/SDL_syshaptic.h new file mode 100644 index 0000000..ec60a71 --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/SDL_syshaptic.h | |||
| @@ -0,0 +1,194 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | |||
| 22 | #include "SDL_internal.h" | ||
| 23 | |||
| 24 | #ifndef SDL_syshaptic_h_ | ||
| 25 | #define SDL_syshaptic_h_ | ||
| 26 | |||
| 27 | // Set up for C function definitions, even when using C++ | ||
| 28 | #ifdef __cplusplus | ||
| 29 | extern "C" { | ||
| 30 | #endif | ||
| 31 | |||
| 32 | struct haptic_effect | ||
| 33 | { | ||
| 34 | SDL_HapticEffect effect; // The current event | ||
| 35 | struct haptic_hweffect *hweffect; // The hardware behind the event | ||
| 36 | }; | ||
| 37 | |||
| 38 | /* | ||
| 39 | * The real SDL_Haptic struct. | ||
| 40 | */ | ||
| 41 | struct SDL_Haptic | ||
| 42 | { | ||
| 43 | SDL_HapticID instance_id; // Device instance, monotonically increasing from 0 | ||
| 44 | char *name; // Device name - system dependent | ||
| 45 | |||
| 46 | struct haptic_effect *effects; // Allocated effects | ||
| 47 | int neffects; // Maximum amount of effects | ||
| 48 | int nplaying; // Maximum amount of effects to play at the same time | ||
| 49 | Uint32 supported; // Supported effects and features | ||
| 50 | int naxes; // Number of axes on the device. | ||
| 51 | |||
| 52 | struct haptic_hwdata *hwdata; // Driver dependent | ||
| 53 | int ref_count; // Count for multiple opens | ||
| 54 | |||
| 55 | int rumble_id; // ID of rumble effect for simple rumble API. | ||
| 56 | SDL_HapticEffect rumble_effect; // Rumble effect. | ||
| 57 | struct SDL_Haptic *next; // pointer to next haptic we have allocated | ||
| 58 | }; | ||
| 59 | |||
| 60 | /* | ||
| 61 | * Scans the system for haptic devices. | ||
| 62 | * | ||
| 63 | * Returns number of devices on success, -1 on error. | ||
| 64 | */ | ||
| 65 | extern bool SDL_SYS_HapticInit(void); | ||
| 66 | |||
| 67 | // Function to return the number of haptic devices plugged in right now | ||
| 68 | extern int SDL_SYS_NumHaptics(void); | ||
| 69 | |||
| 70 | /* | ||
| 71 | * Gets the instance ID of the haptic device | ||
| 72 | */ | ||
| 73 | extern SDL_HapticID SDL_SYS_HapticInstanceID(int index); | ||
| 74 | |||
| 75 | /* | ||
| 76 | * Gets the device dependent name of the haptic device | ||
| 77 | */ | ||
| 78 | extern const char *SDL_SYS_HapticName(int index); | ||
| 79 | |||
| 80 | /* | ||
| 81 | * Opens the haptic device for usage. The haptic device should have | ||
| 82 | * the index value set previously. | ||
| 83 | */ | ||
| 84 | extern bool SDL_SYS_HapticOpen(SDL_Haptic *haptic); | ||
| 85 | |||
| 86 | /* | ||
| 87 | * Returns the index of the haptic core pointer or -1 if none is found. | ||
| 88 | */ | ||
| 89 | extern int SDL_SYS_HapticMouse(void); | ||
| 90 | |||
| 91 | /* | ||
| 92 | * Checks to see if the joystick has haptic capabilities. | ||
| 93 | */ | ||
| 94 | extern bool SDL_SYS_JoystickIsHaptic(SDL_Joystick *joystick); | ||
| 95 | |||
| 96 | /* | ||
| 97 | * Opens the haptic device for usage using the same device as | ||
| 98 | * the joystick. | ||
| 99 | */ | ||
| 100 | extern bool SDL_SYS_HapticOpenFromJoystick(SDL_Haptic *haptic, | ||
| 101 | SDL_Joystick *joystick); | ||
| 102 | /* | ||
| 103 | * Checks to see if haptic device and joystick device are the same. | ||
| 104 | * | ||
| 105 | * Returns true if they are the same, false if they aren't. | ||
| 106 | */ | ||
| 107 | extern bool SDL_SYS_JoystickSameHaptic(SDL_Haptic *haptic, | ||
| 108 | SDL_Joystick *joystick); | ||
| 109 | |||
| 110 | /* | ||
| 111 | * Closes a haptic device after usage. | ||
| 112 | */ | ||
| 113 | extern void SDL_SYS_HapticClose(SDL_Haptic *haptic); | ||
| 114 | |||
| 115 | /* | ||
| 116 | * Performs a cleanup on the haptic subsystem. | ||
| 117 | */ | ||
| 118 | extern void SDL_SYS_HapticQuit(void); | ||
| 119 | |||
| 120 | /* | ||
| 121 | * Creates a new haptic effect on the haptic device using base | ||
| 122 | * as a template for the effect. | ||
| 123 | */ | ||
| 124 | extern bool SDL_SYS_HapticNewEffect(SDL_Haptic *haptic, | ||
| 125 | struct haptic_effect *effect, | ||
| 126 | const SDL_HapticEffect *base); | ||
| 127 | |||
| 128 | /* | ||
| 129 | * Updates the haptic effect on the haptic device using data | ||
| 130 | * as a template. | ||
| 131 | */ | ||
| 132 | extern bool SDL_SYS_HapticUpdateEffect(SDL_Haptic *haptic, | ||
| 133 | struct haptic_effect *effect, | ||
| 134 | const SDL_HapticEffect *data); | ||
| 135 | |||
| 136 | /* | ||
| 137 | * Runs the effect on the haptic device. | ||
| 138 | */ | ||
| 139 | extern bool SDL_SYS_HapticRunEffect(SDL_Haptic *haptic, | ||
| 140 | struct haptic_effect *effect, | ||
| 141 | Uint32 iterations); | ||
| 142 | |||
| 143 | /* | ||
| 144 | * Stops the effect on the haptic device. | ||
| 145 | */ | ||
| 146 | extern bool SDL_SYS_HapticStopEffect(SDL_Haptic *haptic, | ||
| 147 | struct haptic_effect *effect); | ||
| 148 | |||
| 149 | /* | ||
| 150 | * Cleanups up the effect on the haptic device. | ||
| 151 | */ | ||
| 152 | extern void SDL_SYS_HapticDestroyEffect(SDL_Haptic *haptic, | ||
| 153 | struct haptic_effect *effect); | ||
| 154 | |||
| 155 | /* | ||
| 156 | * Queries the device for the status of effect. | ||
| 157 | * | ||
| 158 | * Returns 0 if device is stopped, >0 if device is playing and | ||
| 159 | * -1 on error. | ||
| 160 | */ | ||
| 161 | extern int SDL_SYS_HapticGetEffectStatus(SDL_Haptic *haptic, | ||
| 162 | struct haptic_effect *effect); | ||
| 163 | |||
| 164 | /* | ||
| 165 | * Sets the global gain of the haptic device. | ||
| 166 | */ | ||
| 167 | extern bool SDL_SYS_HapticSetGain(SDL_Haptic *haptic, int gain); | ||
| 168 | |||
| 169 | /* | ||
| 170 | * Sets the autocenter feature of the haptic device. | ||
| 171 | */ | ||
| 172 | extern bool SDL_SYS_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter); | ||
| 173 | |||
| 174 | /* | ||
| 175 | * Pauses the haptic device. | ||
| 176 | */ | ||
| 177 | extern bool SDL_SYS_HapticPause(SDL_Haptic *haptic); | ||
| 178 | |||
| 179 | /* | ||
| 180 | * Unpauses the haptic device. | ||
| 181 | */ | ||
| 182 | extern bool SDL_SYS_HapticResume(SDL_Haptic *haptic); | ||
| 183 | |||
| 184 | /* | ||
| 185 | * Stops all the currently playing haptic effects on the device. | ||
| 186 | */ | ||
| 187 | extern bool SDL_SYS_HapticStopAll(SDL_Haptic *haptic); | ||
| 188 | |||
| 189 | // Ends C function definitions when using C++ | ||
| 190 | #ifdef __cplusplus | ||
| 191 | } | ||
| 192 | #endif | ||
| 193 | |||
| 194 | #endif // SDL_syshaptic_h_ | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic.c b/contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic.c new file mode 100644 index 0000000..d155dbc --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic.c | |||
| @@ -0,0 +1,307 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_HAPTIC_ANDROID | ||
| 24 | |||
| 25 | #include "SDL_syshaptic_c.h" | ||
| 26 | #include "../SDL_syshaptic.h" | ||
| 27 | #include "../../core/android/SDL_android.h" | ||
| 28 | |||
| 29 | typedef struct SDL_hapticlist_item | ||
| 30 | { | ||
| 31 | SDL_HapticID instance_id; | ||
| 32 | int device_id; | ||
| 33 | char *name; | ||
| 34 | SDL_Haptic *haptic; | ||
| 35 | struct SDL_hapticlist_item *next; | ||
| 36 | } SDL_hapticlist_item; | ||
| 37 | |||
| 38 | static SDL_hapticlist_item *SDL_hapticlist = NULL; | ||
| 39 | static SDL_hapticlist_item *SDL_hapticlist_tail = NULL; | ||
| 40 | static int numhaptics = 0; | ||
| 41 | |||
| 42 | bool SDL_SYS_HapticInit(void) | ||
| 43 | { | ||
| 44 | Android_JNI_PollHapticDevices(); | ||
| 45 | |||
| 46 | return true; | ||
| 47 | } | ||
| 48 | |||
| 49 | int SDL_SYS_NumHaptics(void) | ||
| 50 | { | ||
| 51 | return numhaptics; | ||
| 52 | } | ||
| 53 | |||
| 54 | static SDL_hapticlist_item *HapticByOrder(int index) | ||
| 55 | { | ||
| 56 | SDL_hapticlist_item *item = SDL_hapticlist; | ||
| 57 | if ((index < 0) || (index >= numhaptics)) { | ||
| 58 | return NULL; | ||
| 59 | } | ||
| 60 | while (index > 0) { | ||
| 61 | SDL_assert(item != NULL); | ||
| 62 | --index; | ||
| 63 | item = item->next; | ||
| 64 | } | ||
| 65 | return item; | ||
| 66 | } | ||
| 67 | |||
| 68 | static SDL_hapticlist_item *HapticByInstanceID(SDL_HapticID instance_id) | ||
| 69 | { | ||
| 70 | SDL_hapticlist_item *item; | ||
| 71 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 72 | if (instance_id == item->instance_id) { | ||
| 73 | return item; | ||
| 74 | } | ||
| 75 | } | ||
| 76 | return NULL; | ||
| 77 | } | ||
| 78 | |||
| 79 | SDL_HapticID SDL_SYS_HapticInstanceID(int index) | ||
| 80 | { | ||
| 81 | SDL_hapticlist_item *item = HapticByOrder(index); | ||
| 82 | if (item) { | ||
| 83 | return item->instance_id; | ||
| 84 | } | ||
| 85 | return 0; | ||
| 86 | } | ||
| 87 | |||
| 88 | const char *SDL_SYS_HapticName(int index) | ||
| 89 | { | ||
| 90 | SDL_hapticlist_item *item = HapticByOrder(index); | ||
| 91 | if (!item) { | ||
| 92 | SDL_SetError("No such device"); | ||
| 93 | return NULL; | ||
| 94 | } | ||
| 95 | return item->name; | ||
| 96 | } | ||
| 97 | |||
| 98 | static SDL_hapticlist_item *OpenHaptic(SDL_Haptic *haptic, SDL_hapticlist_item *item) | ||
| 99 | { | ||
| 100 | if (!item) { | ||
| 101 | SDL_SetError("No such device"); | ||
| 102 | return NULL; | ||
| 103 | } | ||
| 104 | if (item->haptic) { | ||
| 105 | SDL_SetError("Haptic already opened"); | ||
| 106 | return NULL; | ||
| 107 | } | ||
| 108 | |||
| 109 | haptic->hwdata = (struct haptic_hwdata *)item; | ||
| 110 | item->haptic = haptic; | ||
| 111 | |||
| 112 | haptic->instance_id = item->instance_id; | ||
| 113 | if (item->name) { | ||
| 114 | haptic->name = SDL_strdup(item->name); | ||
| 115 | } | ||
| 116 | haptic->supported = SDL_HAPTIC_LEFTRIGHT; | ||
| 117 | haptic->neffects = 1; | ||
| 118 | haptic->nplaying = haptic->neffects; | ||
| 119 | haptic->effects = (struct haptic_effect *)SDL_calloc(haptic->neffects, sizeof(struct haptic_effect)); | ||
| 120 | if (!haptic->effects) { | ||
| 121 | return NULL; | ||
| 122 | } | ||
| 123 | return item; | ||
| 124 | } | ||
| 125 | |||
| 126 | static SDL_hapticlist_item *OpenHapticByInstanceID(SDL_Haptic *haptic, SDL_HapticID instance_id) | ||
| 127 | { | ||
| 128 | return OpenHaptic(haptic, HapticByInstanceID(instance_id)); | ||
| 129 | } | ||
| 130 | |||
| 131 | bool SDL_SYS_HapticOpen(SDL_Haptic *haptic) | ||
| 132 | { | ||
| 133 | return OpenHapticByInstanceID(haptic, haptic->instance_id) != NULL; | ||
| 134 | } | ||
| 135 | |||
| 136 | int SDL_SYS_HapticMouse(void) | ||
| 137 | { | ||
| 138 | return -1; | ||
| 139 | } | ||
| 140 | |||
| 141 | bool SDL_SYS_JoystickIsHaptic(SDL_Joystick *joystick) | ||
| 142 | { | ||
| 143 | return false; | ||
| 144 | } | ||
| 145 | |||
| 146 | bool SDL_SYS_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 147 | { | ||
| 148 | return SDL_Unsupported(); | ||
| 149 | } | ||
| 150 | |||
| 151 | bool SDL_SYS_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 152 | { | ||
| 153 | return false; | ||
| 154 | } | ||
| 155 | |||
| 156 | void SDL_SYS_HapticClose(SDL_Haptic *haptic) | ||
| 157 | { | ||
| 158 | ((SDL_hapticlist_item *)haptic->hwdata)->haptic = NULL; | ||
| 159 | haptic->hwdata = NULL; | ||
| 160 | } | ||
| 161 | |||
| 162 | void SDL_SYS_HapticQuit(void) | ||
| 163 | { | ||
| 164 | /* We don't have any way to scan for joysticks (and their vibrators) at init, so don't wipe the list | ||
| 165 | * of joysticks here in case this is a reinit. | ||
| 166 | */ | ||
| 167 | #if 0 | ||
| 168 | SDL_hapticlist_item *item = NULL; | ||
| 169 | SDL_hapticlist_item *next = NULL; | ||
| 170 | |||
| 171 | for (item = SDL_hapticlist; item; item = next) { | ||
| 172 | next = item->next; | ||
| 173 | SDL_free(item); | ||
| 174 | } | ||
| 175 | |||
| 176 | SDL_hapticlist = SDL_hapticlist_tail = NULL; | ||
| 177 | numhaptics = 0; | ||
| 178 | return; | ||
| 179 | #endif | ||
| 180 | } | ||
| 181 | |||
| 182 | bool SDL_SYS_HapticNewEffect(SDL_Haptic *haptic, | ||
| 183 | struct haptic_effect *effect, const SDL_HapticEffect *base) | ||
| 184 | { | ||
| 185 | return true; | ||
| 186 | } | ||
| 187 | |||
| 188 | bool SDL_SYS_HapticUpdateEffect(SDL_Haptic *haptic, | ||
| 189 | struct haptic_effect *effect, | ||
| 190 | const SDL_HapticEffect *data) | ||
| 191 | { | ||
| 192 | return true; | ||
| 193 | } | ||
| 194 | |||
| 195 | bool SDL_SYS_HapticRunEffect(SDL_Haptic *haptic, struct haptic_effect *effect, | ||
| 196 | Uint32 iterations) | ||
| 197 | { | ||
| 198 | float large = effect->effect.leftright.large_magnitude / 32767.0f; | ||
| 199 | float small = effect->effect.leftright.small_magnitude / 32767.0f; | ||
| 200 | |||
| 201 | float total = (large * 0.6f) + (small * 0.4f); | ||
| 202 | |||
| 203 | Android_JNI_HapticRun(((SDL_hapticlist_item *)haptic->hwdata)->device_id, total, effect->effect.leftright.length); | ||
| 204 | return true; | ||
| 205 | } | ||
| 206 | |||
| 207 | bool SDL_SYS_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 208 | { | ||
| 209 | Android_JNI_HapticStop(((SDL_hapticlist_item *)haptic->hwdata)->device_id); | ||
| 210 | return true; | ||
| 211 | } | ||
| 212 | |||
| 213 | void SDL_SYS_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 214 | { | ||
| 215 | } | ||
| 216 | |||
| 217 | int SDL_SYS_HapticGetEffectStatus(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 218 | { | ||
| 219 | return 0; | ||
| 220 | } | ||
| 221 | |||
| 222 | bool SDL_SYS_HapticSetGain(SDL_Haptic *haptic, int gain) | ||
| 223 | { | ||
| 224 | return true; | ||
| 225 | } | ||
| 226 | |||
| 227 | bool SDL_SYS_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter) | ||
| 228 | { | ||
| 229 | return true; | ||
| 230 | } | ||
| 231 | |||
| 232 | bool SDL_SYS_HapticPause(SDL_Haptic *haptic) | ||
| 233 | { | ||
| 234 | return true; | ||
| 235 | } | ||
| 236 | |||
| 237 | bool SDL_SYS_HapticResume(SDL_Haptic *haptic) | ||
| 238 | { | ||
| 239 | return true; | ||
| 240 | } | ||
| 241 | |||
| 242 | bool SDL_SYS_HapticStopAll(SDL_Haptic *haptic) | ||
| 243 | { | ||
| 244 | return true; | ||
| 245 | } | ||
| 246 | |||
| 247 | bool Android_AddHaptic(int device_id, const char *name) | ||
| 248 | { | ||
| 249 | SDL_hapticlist_item *item; | ||
| 250 | item = (SDL_hapticlist_item *)SDL_calloc(1, sizeof(SDL_hapticlist_item)); | ||
| 251 | if (!item) { | ||
| 252 | return false; | ||
| 253 | } | ||
| 254 | |||
| 255 | item->instance_id = SDL_GetNextObjectID(); | ||
| 256 | item->device_id = device_id; | ||
| 257 | item->name = SDL_strdup(name); | ||
| 258 | if (!item->name) { | ||
| 259 | SDL_free(item); | ||
| 260 | return false; | ||
| 261 | } | ||
| 262 | |||
| 263 | if (!SDL_hapticlist_tail) { | ||
| 264 | SDL_hapticlist = SDL_hapticlist_tail = item; | ||
| 265 | } else { | ||
| 266 | SDL_hapticlist_tail->next = item; | ||
| 267 | SDL_hapticlist_tail = item; | ||
| 268 | } | ||
| 269 | |||
| 270 | ++numhaptics; | ||
| 271 | return true; | ||
| 272 | } | ||
| 273 | |||
| 274 | bool Android_RemoveHaptic(int device_id) | ||
| 275 | { | ||
| 276 | SDL_hapticlist_item *item; | ||
| 277 | SDL_hapticlist_item *prev = NULL; | ||
| 278 | |||
| 279 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 280 | // found it, remove it. | ||
| 281 | if (device_id == item->device_id) { | ||
| 282 | const bool result = item->haptic ? true : false; | ||
| 283 | |||
| 284 | if (prev) { | ||
| 285 | prev->next = item->next; | ||
| 286 | } else { | ||
| 287 | SDL_assert(SDL_hapticlist == item); | ||
| 288 | SDL_hapticlist = item->next; | ||
| 289 | } | ||
| 290 | if (item == SDL_hapticlist_tail) { | ||
| 291 | SDL_hapticlist_tail = prev; | ||
| 292 | } | ||
| 293 | |||
| 294 | // Need to decrement the haptic count | ||
| 295 | --numhaptics; | ||
| 296 | // !!! TODO: Send a haptic remove event? | ||
| 297 | |||
| 298 | SDL_free(item->name); | ||
| 299 | SDL_free(item); | ||
| 300 | return result; | ||
| 301 | } | ||
| 302 | prev = item; | ||
| 303 | } | ||
| 304 | return false; | ||
| 305 | } | ||
| 306 | |||
| 307 | #endif // SDL_HAPTIC_ANDROID | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic_c.h b/contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic_c.h new file mode 100644 index 0000000..4f58f4f --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/android/SDL_syshaptic_c.h | |||
| @@ -0,0 +1,28 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_HAPTIC_ANDROID | ||
| 24 | |||
| 25 | extern bool Android_AddHaptic(int device_id, const char *name); | ||
| 26 | extern bool Android_RemoveHaptic(int device_id); | ||
| 27 | |||
| 28 | #endif // SDL_HAPTIC_ANDROID | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/darwin/SDL_syshaptic.c b/contrib/SDL-3.2.8/src/haptic/darwin/SDL_syshaptic.c new file mode 100644 index 0000000..b48a3fe --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/darwin/SDL_syshaptic.c | |||
| @@ -0,0 +1,1373 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_HAPTIC_IOKIT | ||
| 24 | |||
| 25 | #include "../SDL_syshaptic.h" | ||
| 26 | #include "../../joystick/SDL_sysjoystick.h" // For the real SDL_Joystick | ||
| 27 | #include "../../joystick/darwin/SDL_iokitjoystick_c.h" // For joystick hwdata | ||
| 28 | #include "SDL_syshaptic_c.h" | ||
| 29 | |||
| 30 | #include <IOKit/IOKitLib.h> | ||
| 31 | #include <IOKit/hid/IOHIDKeys.h> | ||
| 32 | #include <IOKit/hid/IOHIDUsageTables.h> | ||
| 33 | #include <ForceFeedback/ForceFeedback.h> | ||
| 34 | #include <ForceFeedback/ForceFeedbackConstants.h> | ||
| 35 | |||
| 36 | #ifndef IO_OBJECT_NULL | ||
| 37 | #define IO_OBJECT_NULL ((io_service_t)0) | ||
| 38 | #endif | ||
| 39 | |||
| 40 | /* | ||
| 41 | * List of available haptic devices. | ||
| 42 | */ | ||
| 43 | typedef struct SDL_hapticlist_item | ||
| 44 | { | ||
| 45 | SDL_HapticID instance_id; | ||
| 46 | char name[256]; // Name of the device. | ||
| 47 | |||
| 48 | io_service_t dev; // Node we use to create the device. | ||
| 49 | SDL_Haptic *haptic; // Haptic currently associated with it. | ||
| 50 | |||
| 51 | // Usage pages for determining if it's a mouse or not. | ||
| 52 | long usage; | ||
| 53 | long usagePage; | ||
| 54 | |||
| 55 | struct SDL_hapticlist_item *next; | ||
| 56 | } SDL_hapticlist_item; | ||
| 57 | |||
| 58 | /* | ||
| 59 | * Haptic system hardware data. | ||
| 60 | */ | ||
| 61 | struct haptic_hwdata | ||
| 62 | { | ||
| 63 | FFDeviceObjectReference device; // Hardware device. | ||
| 64 | UInt8 axes[3]; | ||
| 65 | }; | ||
| 66 | |||
| 67 | /* | ||
| 68 | * Haptic system effect data. | ||
| 69 | */ | ||
| 70 | struct haptic_hweffect | ||
| 71 | { | ||
| 72 | FFEffectObjectReference ref; // Reference. | ||
| 73 | struct FFEFFECT effect; // Hardware effect. | ||
| 74 | }; | ||
| 75 | |||
| 76 | /* | ||
| 77 | * Prototypes. | ||
| 78 | */ | ||
| 79 | static void SDL_SYS_HapticFreeFFEFFECT(FFEFFECT *effect, int type); | ||
| 80 | static bool HIDGetDeviceProduct(io_service_t dev, char *name); | ||
| 81 | |||
| 82 | static SDL_hapticlist_item *SDL_hapticlist = NULL; | ||
| 83 | static SDL_hapticlist_item *SDL_hapticlist_tail = NULL; | ||
| 84 | static int numhaptics = -1; | ||
| 85 | |||
| 86 | /* | ||
| 87 | * Like strerror but for force feedback errors. | ||
| 88 | */ | ||
| 89 | static const char *FFStrError(unsigned int err) | ||
| 90 | { | ||
| 91 | switch (err) { | ||
| 92 | case FFERR_DEVICEFULL: | ||
| 93 | return "device full"; | ||
| 94 | // This should be valid, but for some reason isn't defined... | ||
| 95 | /* case FFERR_DEVICENOTREG: | ||
| 96 | return "device not registered"; */ | ||
| 97 | case FFERR_DEVICEPAUSED: | ||
| 98 | return "device paused"; | ||
| 99 | case FFERR_DEVICERELEASED: | ||
| 100 | return "device released"; | ||
| 101 | case FFERR_EFFECTPLAYING: | ||
| 102 | return "effect playing"; | ||
| 103 | case FFERR_EFFECTTYPEMISMATCH: | ||
| 104 | return "effect type mismatch"; | ||
| 105 | case FFERR_EFFECTTYPENOTSUPPORTED: | ||
| 106 | return "effect type not supported"; | ||
| 107 | case FFERR_GENERIC: | ||
| 108 | return "undetermined error"; | ||
| 109 | case FFERR_HASEFFECTS: | ||
| 110 | return "device has effects"; | ||
| 111 | case FFERR_INCOMPLETEEFFECT: | ||
| 112 | return "incomplete effect"; | ||
| 113 | case FFERR_INTERNAL: | ||
| 114 | return "internal fault"; | ||
| 115 | case FFERR_INVALIDDOWNLOADID: | ||
| 116 | return "invalid download id"; | ||
| 117 | case FFERR_INVALIDPARAM: | ||
| 118 | return "invalid parameter"; | ||
| 119 | case FFERR_MOREDATA: | ||
| 120 | return "more data"; | ||
| 121 | case FFERR_NOINTERFACE: | ||
| 122 | return "interface not supported"; | ||
| 123 | case FFERR_NOTDOWNLOADED: | ||
| 124 | return "effect is not downloaded"; | ||
| 125 | case FFERR_NOTINITIALIZED: | ||
| 126 | return "object has not been initialized"; | ||
| 127 | case FFERR_OUTOFMEMORY: | ||
| 128 | return "out of memory"; | ||
| 129 | case FFERR_UNPLUGGED: | ||
| 130 | return "device is unplugged"; | ||
| 131 | case FFERR_UNSUPPORTED: | ||
| 132 | return "function call unsupported"; | ||
| 133 | case FFERR_UNSUPPORTEDAXIS: | ||
| 134 | return "axis unsupported"; | ||
| 135 | |||
| 136 | default: | ||
| 137 | return "unknown error"; | ||
| 138 | } | ||
| 139 | } | ||
| 140 | |||
| 141 | /* | ||
| 142 | * Initializes the haptic subsystem. | ||
| 143 | */ | ||
| 144 | bool SDL_SYS_HapticInit(void) | ||
| 145 | { | ||
| 146 | IOReturn result; | ||
| 147 | io_iterator_t iter; | ||
| 148 | CFDictionaryRef match; | ||
| 149 | io_service_t device; | ||
| 150 | |||
| 151 | if (numhaptics != -1) { | ||
| 152 | return SDL_SetError("Haptic subsystem already initialized!"); | ||
| 153 | } | ||
| 154 | numhaptics = 0; | ||
| 155 | |||
| 156 | // Get HID devices. | ||
| 157 | match = IOServiceMatching(kIOHIDDeviceKey); | ||
| 158 | if (!match) { | ||
| 159 | return SDL_SetError("Haptic: Failed to get IOServiceMatching."); | ||
| 160 | } | ||
| 161 | |||
| 162 | // Now search I/O Registry for matching devices. | ||
| 163 | result = IOServiceGetMatchingServices(kIOMainPortDefault, match, &iter); | ||
| 164 | if (result != kIOReturnSuccess) { | ||
| 165 | return SDL_SetError("Haptic: Couldn't create a HID object iterator."); | ||
| 166 | } | ||
| 167 | // IOServiceGetMatchingServices consumes dictionary. | ||
| 168 | |||
| 169 | if (!IOIteratorIsValid(iter)) { // No iterator. | ||
| 170 | return true; | ||
| 171 | } | ||
| 172 | |||
| 173 | while ((device = IOIteratorNext(iter)) != IO_OBJECT_NULL) { | ||
| 174 | MacHaptic_MaybeAddDevice(device); | ||
| 175 | // always release as the AddDevice will retain IF it's a forcefeedback device | ||
| 176 | IOObjectRelease(device); | ||
| 177 | } | ||
| 178 | IOObjectRelease(iter); | ||
| 179 | |||
| 180 | return true; | ||
| 181 | } | ||
| 182 | |||
| 183 | int SDL_SYS_NumHaptics(void) | ||
| 184 | { | ||
| 185 | return numhaptics; | ||
| 186 | } | ||
| 187 | |||
| 188 | static SDL_hapticlist_item *HapticByDevIndex(int device_index) | ||
| 189 | { | ||
| 190 | SDL_hapticlist_item *item = SDL_hapticlist; | ||
| 191 | |||
| 192 | if ((device_index < 0) || (device_index >= numhaptics)) { | ||
| 193 | return NULL; | ||
| 194 | } | ||
| 195 | |||
| 196 | while (device_index > 0) { | ||
| 197 | SDL_assert(item != NULL); | ||
| 198 | --device_index; | ||
| 199 | item = item->next; | ||
| 200 | } | ||
| 201 | |||
| 202 | return item; | ||
| 203 | } | ||
| 204 | |||
| 205 | static SDL_hapticlist_item *HapticByInstanceID(SDL_HapticID instance_id) | ||
| 206 | { | ||
| 207 | SDL_hapticlist_item *item; | ||
| 208 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 209 | if (instance_id == item->instance_id) { | ||
| 210 | return item; | ||
| 211 | } | ||
| 212 | } | ||
| 213 | return NULL; | ||
| 214 | } | ||
| 215 | |||
| 216 | bool MacHaptic_MaybeAddDevice(io_object_t device) | ||
| 217 | { | ||
| 218 | IOReturn result; | ||
| 219 | CFMutableDictionaryRef hidProperties; | ||
| 220 | CFTypeRef refCF; | ||
| 221 | SDL_hapticlist_item *item; | ||
| 222 | |||
| 223 | if (numhaptics == -1) { | ||
| 224 | return false; // not initialized. We'll pick these up on enumeration if we init later. | ||
| 225 | } | ||
| 226 | |||
| 227 | // Check for force feedback. | ||
| 228 | if (FFIsForceFeedback(device) != FF_OK) { | ||
| 229 | return false; | ||
| 230 | } | ||
| 231 | |||
| 232 | // Make sure we don't already have it | ||
| 233 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 234 | if (IOObjectIsEqualTo((io_object_t)item->dev, device)) { | ||
| 235 | // Already added | ||
| 236 | return false; | ||
| 237 | } | ||
| 238 | } | ||
| 239 | |||
| 240 | item = (SDL_hapticlist_item *)SDL_calloc(1, sizeof(SDL_hapticlist_item)); | ||
| 241 | if (!item) { | ||
| 242 | return SDL_SetError("Could not allocate haptic storage"); | ||
| 243 | } | ||
| 244 | item->instance_id = SDL_GetNextObjectID(); | ||
| 245 | |||
| 246 | // retain it as we are going to keep it around a while | ||
| 247 | IOObjectRetain(device); | ||
| 248 | |||
| 249 | // Set basic device data. | ||
| 250 | HIDGetDeviceProduct(device, item->name); | ||
| 251 | item->dev = device; | ||
| 252 | |||
| 253 | // Set usage pages. | ||
| 254 | hidProperties = 0; | ||
| 255 | refCF = 0; | ||
| 256 | result = IORegistryEntryCreateCFProperties(device, | ||
| 257 | &hidProperties, | ||
| 258 | kCFAllocatorDefault, | ||
| 259 | kNilOptions); | ||
| 260 | if ((result == KERN_SUCCESS) && hidProperties) { | ||
| 261 | refCF = CFDictionaryGetValue(hidProperties, | ||
| 262 | CFSTR(kIOHIDPrimaryUsagePageKey)); | ||
| 263 | if (refCF) { | ||
| 264 | if (!CFNumberGetValue(refCF, kCFNumberLongType, &item->usagePage)) { | ||
| 265 | SDL_SetError("Haptic: Receiving device's usage page."); | ||
| 266 | } | ||
| 267 | refCF = CFDictionaryGetValue(hidProperties, | ||
| 268 | CFSTR(kIOHIDPrimaryUsageKey)); | ||
| 269 | if (refCF) { | ||
| 270 | if (!CFNumberGetValue(refCF, kCFNumberLongType, &item->usage)) { | ||
| 271 | SDL_SetError("Haptic: Receiving device's usage."); | ||
| 272 | } | ||
| 273 | } | ||
| 274 | } | ||
| 275 | CFRelease(hidProperties); | ||
| 276 | } | ||
| 277 | |||
| 278 | if (!SDL_hapticlist_tail) { | ||
| 279 | SDL_hapticlist = SDL_hapticlist_tail = item; | ||
| 280 | } else { | ||
| 281 | SDL_hapticlist_tail->next = item; | ||
| 282 | SDL_hapticlist_tail = item; | ||
| 283 | } | ||
| 284 | |||
| 285 | // Device has been added. | ||
| 286 | ++numhaptics; | ||
| 287 | |||
| 288 | return true; | ||
| 289 | } | ||
| 290 | |||
| 291 | bool MacHaptic_MaybeRemoveDevice(io_object_t device) | ||
| 292 | { | ||
| 293 | SDL_hapticlist_item *item; | ||
| 294 | SDL_hapticlist_item *prev = NULL; | ||
| 295 | |||
| 296 | if (numhaptics == -1) { | ||
| 297 | return false; // not initialized. ignore this. | ||
| 298 | } | ||
| 299 | |||
| 300 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 301 | // found it, remove it. | ||
| 302 | if (IOObjectIsEqualTo((io_object_t)item->dev, device)) { | ||
| 303 | bool result = item->haptic ? true : false; | ||
| 304 | |||
| 305 | if (prev) { | ||
| 306 | prev->next = item->next; | ||
| 307 | } else { | ||
| 308 | SDL_assert(SDL_hapticlist == item); | ||
| 309 | SDL_hapticlist = item->next; | ||
| 310 | } | ||
| 311 | if (item == SDL_hapticlist_tail) { | ||
| 312 | SDL_hapticlist_tail = prev; | ||
| 313 | } | ||
| 314 | |||
| 315 | // Need to decrement the haptic count | ||
| 316 | --numhaptics; | ||
| 317 | // !!! TODO: Send a haptic remove event? | ||
| 318 | |||
| 319 | IOObjectRelease(item->dev); | ||
| 320 | SDL_free(item); | ||
| 321 | return result; | ||
| 322 | } | ||
| 323 | prev = item; | ||
| 324 | } | ||
| 325 | |||
| 326 | return false; | ||
| 327 | } | ||
| 328 | |||
| 329 | SDL_HapticID SDL_SYS_HapticInstanceID(int index) | ||
| 330 | { | ||
| 331 | SDL_hapticlist_item *item; | ||
| 332 | item = HapticByDevIndex(index); | ||
| 333 | if (item) { | ||
| 334 | return item->instance_id; | ||
| 335 | } | ||
| 336 | return 0; | ||
| 337 | } | ||
| 338 | |||
| 339 | /* | ||
| 340 | * Return the name of a haptic device, does not need to be opened. | ||
| 341 | */ | ||
| 342 | const char *SDL_SYS_HapticName(int index) | ||
| 343 | { | ||
| 344 | SDL_hapticlist_item *item; | ||
| 345 | item = HapticByDevIndex(index); | ||
| 346 | if (item) { | ||
| 347 | return item->name; | ||
| 348 | } | ||
| 349 | return NULL; | ||
| 350 | } | ||
| 351 | |||
| 352 | /* | ||
| 353 | * Gets the device's product name. | ||
| 354 | */ | ||
| 355 | static bool HIDGetDeviceProduct(io_service_t dev, char *name) | ||
| 356 | { | ||
| 357 | CFMutableDictionaryRef hidProperties, usbProperties; | ||
| 358 | io_registry_entry_t parent1, parent2; | ||
| 359 | kern_return_t ret; | ||
| 360 | |||
| 361 | hidProperties = usbProperties = 0; | ||
| 362 | |||
| 363 | ret = IORegistryEntryCreateCFProperties(dev, &hidProperties, | ||
| 364 | kCFAllocatorDefault, kNilOptions); | ||
| 365 | if ((ret != KERN_SUCCESS) || !hidProperties) { | ||
| 366 | return SDL_SetError("Haptic: Unable to create CFProperties."); | ||
| 367 | } | ||
| 368 | |||
| 369 | /* macOS currently is not mirroring all USB properties to HID page so need to look at USB device page also | ||
| 370 | * get dictionary for USB properties: step up two levels and get CF dictionary for USB properties | ||
| 371 | */ | ||
| 372 | if ((KERN_SUCCESS == | ||
| 373 | IORegistryEntryGetParentEntry(dev, kIOServicePlane, &parent1)) && | ||
| 374 | (KERN_SUCCESS == | ||
| 375 | IORegistryEntryGetParentEntry(parent1, kIOServicePlane, &parent2)) && | ||
| 376 | (KERN_SUCCESS == | ||
| 377 | IORegistryEntryCreateCFProperties(parent2, &usbProperties, | ||
| 378 | kCFAllocatorDefault, | ||
| 379 | kNilOptions))) { | ||
| 380 | if (usbProperties) { | ||
| 381 | CFTypeRef refCF = 0; | ||
| 382 | /* get device info | ||
| 383 | * try hid dictionary first, if fail then go to USB dictionary | ||
| 384 | */ | ||
| 385 | |||
| 386 | // Get product name | ||
| 387 | refCF = CFDictionaryGetValue(hidProperties, CFSTR(kIOHIDProductKey)); | ||
| 388 | if (!refCF) { | ||
| 389 | refCF = CFDictionaryGetValue(usbProperties, | ||
| 390 | CFSTR("USB Product Name")); | ||
| 391 | } | ||
| 392 | if (refCF) { | ||
| 393 | if (!CFStringGetCString(refCF, name, 256, | ||
| 394 | CFStringGetSystemEncoding())) { | ||
| 395 | return SDL_SetError("Haptic: CFStringGetCString error retrieving pDevice->product."); | ||
| 396 | } | ||
| 397 | } | ||
| 398 | |||
| 399 | CFRelease(usbProperties); | ||
| 400 | } else { | ||
| 401 | return SDL_SetError("Haptic: IORegistryEntryCreateCFProperties failed to create usbProperties."); | ||
| 402 | } | ||
| 403 | |||
| 404 | // Release stuff. | ||
| 405 | if (kIOReturnSuccess != IOObjectRelease(parent2)) { | ||
| 406 | SDL_SetError("Haptic: IOObjectRelease error with parent2."); | ||
| 407 | } | ||
| 408 | if (kIOReturnSuccess != IOObjectRelease(parent1)) { | ||
| 409 | SDL_SetError("Haptic: IOObjectRelease error with parent1."); | ||
| 410 | } | ||
| 411 | } else { | ||
| 412 | return SDL_SetError("Haptic: Error getting registry entries."); | ||
| 413 | } | ||
| 414 | |||
| 415 | return true; | ||
| 416 | } | ||
| 417 | |||
| 418 | #define FF_TEST(ff, s) \ | ||
| 419 | if (features.supportedEffects & (ff)) \ | ||
| 420 | supported |= (s) | ||
| 421 | /* | ||
| 422 | * Gets supported features. | ||
| 423 | */ | ||
| 424 | static bool GetSupportedFeatures(SDL_Haptic *haptic) | ||
| 425 | { | ||
| 426 | HRESULT ret; | ||
| 427 | FFDeviceObjectReference device; | ||
| 428 | FFCAPABILITIES features; | ||
| 429 | unsigned int supported; | ||
| 430 | Uint32 val; | ||
| 431 | |||
| 432 | device = haptic->hwdata->device; | ||
| 433 | |||
| 434 | ret = FFDeviceGetForceFeedbackCapabilities(device, &features); | ||
| 435 | if (ret != FF_OK) { | ||
| 436 | return SDL_SetError("Haptic: Unable to get device's supported features."); | ||
| 437 | } | ||
| 438 | |||
| 439 | supported = 0; | ||
| 440 | |||
| 441 | // Get maximum effects. | ||
| 442 | haptic->neffects = features.storageCapacity; | ||
| 443 | haptic->nplaying = features.playbackCapacity; | ||
| 444 | |||
| 445 | // Test for effects. | ||
| 446 | FF_TEST(FFCAP_ET_CONSTANTFORCE, SDL_HAPTIC_CONSTANT); | ||
| 447 | FF_TEST(FFCAP_ET_RAMPFORCE, SDL_HAPTIC_RAMP); | ||
| 448 | FF_TEST(FFCAP_ET_SQUARE, SDL_HAPTIC_SQUARE); | ||
| 449 | FF_TEST(FFCAP_ET_SINE, SDL_HAPTIC_SINE); | ||
| 450 | FF_TEST(FFCAP_ET_TRIANGLE, SDL_HAPTIC_TRIANGLE); | ||
| 451 | FF_TEST(FFCAP_ET_SAWTOOTHUP, SDL_HAPTIC_SAWTOOTHUP); | ||
| 452 | FF_TEST(FFCAP_ET_SAWTOOTHDOWN, SDL_HAPTIC_SAWTOOTHDOWN); | ||
| 453 | FF_TEST(FFCAP_ET_SPRING, SDL_HAPTIC_SPRING); | ||
| 454 | FF_TEST(FFCAP_ET_DAMPER, SDL_HAPTIC_DAMPER); | ||
| 455 | FF_TEST(FFCAP_ET_INERTIA, SDL_HAPTIC_INERTIA); | ||
| 456 | FF_TEST(FFCAP_ET_FRICTION, SDL_HAPTIC_FRICTION); | ||
| 457 | FF_TEST(FFCAP_ET_CUSTOMFORCE, SDL_HAPTIC_CUSTOM); | ||
| 458 | |||
| 459 | // Check if supports gain. | ||
| 460 | ret = FFDeviceGetForceFeedbackProperty(device, FFPROP_FFGAIN, | ||
| 461 | &val, sizeof(val)); | ||
| 462 | if (ret == FF_OK) { | ||
| 463 | supported |= SDL_HAPTIC_GAIN; | ||
| 464 | } else if (ret != FFERR_UNSUPPORTED) { | ||
| 465 | return SDL_SetError("Haptic: Unable to get if device supports gain: %s.", | ||
| 466 | FFStrError(ret)); | ||
| 467 | } | ||
| 468 | |||
| 469 | // Checks if supports autocenter. | ||
| 470 | ret = FFDeviceGetForceFeedbackProperty(device, FFPROP_AUTOCENTER, | ||
| 471 | &val, sizeof(val)); | ||
| 472 | if (ret == FF_OK) { | ||
| 473 | supported |= SDL_HAPTIC_AUTOCENTER; | ||
| 474 | } else if (ret != FFERR_UNSUPPORTED) { | ||
| 475 | return SDL_SetError("Haptic: Unable to get if device supports autocenter: %s.", | ||
| 476 | FFStrError(ret)); | ||
| 477 | } | ||
| 478 | |||
| 479 | // Check for axes, we have an artificial limit on axes | ||
| 480 | haptic->naxes = ((features.numFfAxes) > 3) ? 3 : features.numFfAxes; | ||
| 481 | // Actually store the axes we want to use | ||
| 482 | SDL_memcpy(haptic->hwdata->axes, features.ffAxes, | ||
| 483 | haptic->naxes * sizeof(Uint8)); | ||
| 484 | |||
| 485 | // Always supported features. | ||
| 486 | supported |= SDL_HAPTIC_STATUS | SDL_HAPTIC_PAUSE; | ||
| 487 | |||
| 488 | haptic->supported = supported; | ||
| 489 | return true; | ||
| 490 | } | ||
| 491 | |||
| 492 | /* | ||
| 493 | * Opens the haptic device from the file descriptor. | ||
| 494 | */ | ||
| 495 | static bool SDL_SYS_HapticOpenFromService(SDL_Haptic *haptic, io_service_t service) | ||
| 496 | { | ||
| 497 | HRESULT ret; | ||
| 498 | |||
| 499 | // Allocate the hwdata | ||
| 500 | haptic->hwdata = (struct haptic_hwdata *) SDL_calloc(1, sizeof(*haptic->hwdata)); | ||
| 501 | if (!haptic->hwdata) { | ||
| 502 | goto creat_err; | ||
| 503 | } | ||
| 504 | |||
| 505 | // Open the device | ||
| 506 | ret = FFCreateDevice(service, &haptic->hwdata->device); | ||
| 507 | if (ret != FF_OK) { | ||
| 508 | SDL_SetError("Haptic: Unable to create device from service: %s.", FFStrError(ret)); | ||
| 509 | goto creat_err; | ||
| 510 | } | ||
| 511 | |||
| 512 | // Get supported features. | ||
| 513 | if (!GetSupportedFeatures(haptic)) { | ||
| 514 | goto open_err; | ||
| 515 | } | ||
| 516 | |||
| 517 | // Reset and then enable actuators. | ||
| 518 | ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, | ||
| 519 | FFSFFC_RESET); | ||
| 520 | if (ret != FF_OK) { | ||
| 521 | SDL_SetError("Haptic: Unable to reset device: %s.", FFStrError(ret)); | ||
| 522 | goto open_err; | ||
| 523 | } | ||
| 524 | ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, | ||
| 525 | FFSFFC_SETACTUATORSON); | ||
| 526 | if (ret != FF_OK) { | ||
| 527 | SDL_SetError("Haptic: Unable to enable actuators: %s.", | ||
| 528 | FFStrError(ret)); | ||
| 529 | goto open_err; | ||
| 530 | } | ||
| 531 | |||
| 532 | // Allocate effects memory. | ||
| 533 | haptic->effects = (struct haptic_effect *) | ||
| 534 | SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects); | ||
| 535 | if (!haptic->effects) { | ||
| 536 | goto open_err; | ||
| 537 | } | ||
| 538 | // Clear the memory | ||
| 539 | SDL_memset(haptic->effects, 0, | ||
| 540 | sizeof(struct haptic_effect) * haptic->neffects); | ||
| 541 | |||
| 542 | return true; | ||
| 543 | |||
| 544 | // Error handling | ||
| 545 | open_err: | ||
| 546 | FFReleaseDevice(haptic->hwdata->device); | ||
| 547 | creat_err: | ||
| 548 | if (haptic->hwdata) { | ||
| 549 | SDL_free(haptic->hwdata); | ||
| 550 | haptic->hwdata = NULL; | ||
| 551 | } | ||
| 552 | return false; | ||
| 553 | } | ||
| 554 | |||
| 555 | /* | ||
| 556 | * Opens a haptic device for usage. | ||
| 557 | */ | ||
| 558 | bool SDL_SYS_HapticOpen(SDL_Haptic *haptic) | ||
| 559 | { | ||
| 560 | SDL_hapticlist_item *item; | ||
| 561 | item = HapticByInstanceID(haptic->instance_id); | ||
| 562 | |||
| 563 | return SDL_SYS_HapticOpenFromService(haptic, item->dev); | ||
| 564 | } | ||
| 565 | |||
| 566 | /* | ||
| 567 | * Opens a haptic device from first mouse it finds for usage. | ||
| 568 | */ | ||
| 569 | int SDL_SYS_HapticMouse(void) | ||
| 570 | { | ||
| 571 | int device_index = 0; | ||
| 572 | SDL_hapticlist_item *item; | ||
| 573 | |||
| 574 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 575 | if ((item->usagePage == kHIDPage_GenericDesktop) && | ||
| 576 | (item->usage == kHIDUsage_GD_Mouse)) { | ||
| 577 | return device_index; | ||
| 578 | } | ||
| 579 | ++device_index; | ||
| 580 | } | ||
| 581 | |||
| 582 | return 0; | ||
| 583 | } | ||
| 584 | |||
| 585 | /* | ||
| 586 | * Checks to see if a joystick has haptic features. | ||
| 587 | */ | ||
| 588 | bool SDL_SYS_JoystickIsHaptic(SDL_Joystick *joystick) | ||
| 589 | { | ||
| 590 | #ifdef SDL_JOYSTICK_IOKIT | ||
| 591 | if (joystick->driver != &SDL_DARWIN_JoystickDriver) { | ||
| 592 | return false; | ||
| 593 | } | ||
| 594 | if (joystick->hwdata->ffservice != 0) { | ||
| 595 | return true; | ||
| 596 | } | ||
| 597 | #endif | ||
| 598 | return false; | ||
| 599 | } | ||
| 600 | |||
| 601 | /* | ||
| 602 | * Checks to see if the haptic device and joystick are in reality the same. | ||
| 603 | */ | ||
| 604 | bool SDL_SYS_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 605 | { | ||
| 606 | #ifdef SDL_JOYSTICK_IOKIT | ||
| 607 | if (joystick->driver != &SDL_DARWIN_JoystickDriver) { | ||
| 608 | return false; | ||
| 609 | } | ||
| 610 | if (IOObjectIsEqualTo((io_object_t)((size_t)haptic->hwdata->device), | ||
| 611 | joystick->hwdata->ffservice)) { | ||
| 612 | return true; | ||
| 613 | } | ||
| 614 | #endif | ||
| 615 | return false; | ||
| 616 | } | ||
| 617 | |||
| 618 | /* | ||
| 619 | * Opens a SDL_Haptic from a SDL_Joystick. | ||
| 620 | */ | ||
| 621 | bool SDL_SYS_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 622 | { | ||
| 623 | #ifdef SDL_JOYSTICK_IOKIT | ||
| 624 | SDL_hapticlist_item *item; | ||
| 625 | |||
| 626 | if (joystick->driver != &SDL_DARWIN_JoystickDriver) { | ||
| 627 | return false; | ||
| 628 | } | ||
| 629 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 630 | if (IOObjectIsEqualTo((io_object_t)item->dev, | ||
| 631 | joystick->hwdata->ffservice)) { | ||
| 632 | haptic->instance_id = item->instance_id; | ||
| 633 | break; | ||
| 634 | } | ||
| 635 | } | ||
| 636 | |||
| 637 | if (joystick->name) { | ||
| 638 | haptic->name = SDL_strdup(joystick->name); | ||
| 639 | } | ||
| 640 | |||
| 641 | return SDL_SYS_HapticOpenFromService(haptic, joystick->hwdata->ffservice); | ||
| 642 | #else | ||
| 643 | return false; | ||
| 644 | #endif | ||
| 645 | } | ||
| 646 | |||
| 647 | /* | ||
| 648 | * Closes the haptic device. | ||
| 649 | */ | ||
| 650 | void SDL_SYS_HapticClose(SDL_Haptic *haptic) | ||
| 651 | { | ||
| 652 | if (haptic->hwdata) { | ||
| 653 | |||
| 654 | // Free Effects. | ||
| 655 | SDL_free(haptic->effects); | ||
| 656 | haptic->effects = NULL; | ||
| 657 | haptic->neffects = 0; | ||
| 658 | |||
| 659 | // Clean up | ||
| 660 | FFReleaseDevice(haptic->hwdata->device); | ||
| 661 | |||
| 662 | // Free | ||
| 663 | SDL_free(haptic->hwdata); | ||
| 664 | haptic->hwdata = NULL; | ||
| 665 | } | ||
| 666 | } | ||
| 667 | |||
| 668 | /* | ||
| 669 | * Clean up after system specific haptic stuff | ||
| 670 | */ | ||
| 671 | void SDL_SYS_HapticQuit(void) | ||
| 672 | { | ||
| 673 | SDL_hapticlist_item *item; | ||
| 674 | SDL_hapticlist_item *next = NULL; | ||
| 675 | |||
| 676 | for (item = SDL_hapticlist; item; item = next) { | ||
| 677 | next = item->next; | ||
| 678 | /* Opened and not closed haptics are leaked, this is on purpose. | ||
| 679 | * Close your haptic devices after usage. */ | ||
| 680 | |||
| 681 | // Free the io_service_t | ||
| 682 | IOObjectRelease(item->dev); | ||
| 683 | SDL_free(item); | ||
| 684 | } | ||
| 685 | |||
| 686 | numhaptics = -1; | ||
| 687 | SDL_hapticlist = NULL; | ||
| 688 | SDL_hapticlist_tail = NULL; | ||
| 689 | } | ||
| 690 | |||
| 691 | /* | ||
| 692 | * Converts an SDL trigger button to an FFEFFECT trigger button. | ||
| 693 | */ | ||
| 694 | static DWORD FFGetTriggerButton(Uint16 button) | ||
| 695 | { | ||
| 696 | DWORD dwTriggerButton; | ||
| 697 | |||
| 698 | dwTriggerButton = FFEB_NOTRIGGER; | ||
| 699 | |||
| 700 | if (button != 0) { | ||
| 701 | dwTriggerButton = FFJOFS_BUTTON(button - 1); | ||
| 702 | } | ||
| 703 | |||
| 704 | return dwTriggerButton; | ||
| 705 | } | ||
| 706 | |||
| 707 | /* | ||
| 708 | * Sets the direction. | ||
| 709 | */ | ||
| 710 | static bool SDL_SYS_SetDirection(FFEFFECT *effect, const SDL_HapticDirection *dir, int naxes) | ||
| 711 | { | ||
| 712 | LONG *rglDir; | ||
| 713 | |||
| 714 | // Handle no axes a part. | ||
| 715 | if (naxes == 0) { | ||
| 716 | effect->dwFlags |= FFEFF_SPHERICAL; // Set as default. | ||
| 717 | effect->rglDirection = NULL; | ||
| 718 | return true; | ||
| 719 | } | ||
| 720 | |||
| 721 | // Has axes. | ||
| 722 | rglDir = SDL_malloc(sizeof(LONG) * naxes); | ||
| 723 | if (!rglDir) { | ||
| 724 | return false; | ||
| 725 | } | ||
| 726 | SDL_memset(rglDir, 0, sizeof(LONG) * naxes); | ||
| 727 | effect->rglDirection = rglDir; | ||
| 728 | |||
| 729 | switch (dir->type) { | ||
| 730 | case SDL_HAPTIC_POLAR: | ||
| 731 | effect->dwFlags |= FFEFF_POLAR; | ||
| 732 | rglDir[0] = dir->dir[0]; | ||
| 733 | return true; | ||
| 734 | case SDL_HAPTIC_CARTESIAN: | ||
| 735 | effect->dwFlags |= FFEFF_CARTESIAN; | ||
| 736 | rglDir[0] = dir->dir[0]; | ||
| 737 | if (naxes > 1) { | ||
| 738 | rglDir[1] = dir->dir[1]; | ||
| 739 | } | ||
| 740 | if (naxes > 2) { | ||
| 741 | rglDir[2] = dir->dir[2]; | ||
| 742 | } | ||
| 743 | return true; | ||
| 744 | case SDL_HAPTIC_SPHERICAL: | ||
| 745 | effect->dwFlags |= FFEFF_SPHERICAL; | ||
| 746 | rglDir[0] = dir->dir[0]; | ||
| 747 | if (naxes > 1) { | ||
| 748 | rglDir[1] = dir->dir[1]; | ||
| 749 | } | ||
| 750 | if (naxes > 2) { | ||
| 751 | rglDir[2] = dir->dir[2]; | ||
| 752 | } | ||
| 753 | return true; | ||
| 754 | case SDL_HAPTIC_STEERING_AXIS: | ||
| 755 | effect->dwFlags |= FFEFF_CARTESIAN; | ||
| 756 | rglDir[0] = 0; | ||
| 757 | return true; | ||
| 758 | |||
| 759 | default: | ||
| 760 | return SDL_SetError("Haptic: Unknown direction type."); | ||
| 761 | } | ||
| 762 | } | ||
| 763 | |||
| 764 | // Clamps and converts. | ||
| 765 | #define CCONVERT(x) (((x) > 0x7FFF) ? 10000 : ((x)*10000) / 0x7FFF) | ||
| 766 | // Just converts. | ||
| 767 | #define CONVERT(x) (((x)*10000) / 0x7FFF) | ||
| 768 | /* | ||
| 769 | * Creates the FFEFFECT from a SDL_HapticEffect. | ||
| 770 | */ | ||
| 771 | static bool SDL_SYS_ToFFEFFECT(SDL_Haptic *haptic, FFEFFECT *dest, const SDL_HapticEffect *src) | ||
| 772 | { | ||
| 773 | int i; | ||
| 774 | FFCONSTANTFORCE *constant = NULL; | ||
| 775 | FFPERIODIC *periodic = NULL; | ||
| 776 | FFCONDITION *condition = NULL; // Actually an array of conditions - one per axis. | ||
| 777 | FFRAMPFORCE *ramp = NULL; | ||
| 778 | FFCUSTOMFORCE *custom = NULL; | ||
| 779 | FFENVELOPE *envelope = NULL; | ||
| 780 | const SDL_HapticConstant *hap_constant = NULL; | ||
| 781 | const SDL_HapticPeriodic *hap_periodic = NULL; | ||
| 782 | const SDL_HapticCondition *hap_condition = NULL; | ||
| 783 | const SDL_HapticRamp *hap_ramp = NULL; | ||
| 784 | const SDL_HapticCustom *hap_custom = NULL; | ||
| 785 | DWORD *axes = NULL; | ||
| 786 | |||
| 787 | // Set global stuff. | ||
| 788 | SDL_memset(dest, 0, sizeof(FFEFFECT)); | ||
| 789 | dest->dwSize = sizeof(FFEFFECT); // Set the structure size. | ||
| 790 | dest->dwSamplePeriod = 0; // Not used by us. | ||
| 791 | dest->dwGain = 10000; // Gain is set globally, not locally. | ||
| 792 | dest->dwFlags = FFEFF_OBJECTOFFSETS; // Seems obligatory. | ||
| 793 | |||
| 794 | // Envelope. | ||
| 795 | envelope = SDL_calloc(1, sizeof(FFENVELOPE)); | ||
| 796 | if (!envelope) { | ||
| 797 | return false; | ||
| 798 | } | ||
| 799 | dest->lpEnvelope = envelope; | ||
| 800 | envelope->dwSize = sizeof(FFENVELOPE); // Always should be this. | ||
| 801 | |||
| 802 | // Axes. | ||
| 803 | if (src->constant.direction.type == SDL_HAPTIC_STEERING_AXIS) { | ||
| 804 | dest->cAxes = 1; | ||
| 805 | } else { | ||
| 806 | dest->cAxes = haptic->naxes; | ||
| 807 | } | ||
| 808 | if (dest->cAxes > 0) { | ||
| 809 | axes = SDL_malloc(sizeof(DWORD) * dest->cAxes); | ||
| 810 | if (!axes) { | ||
| 811 | return false; | ||
| 812 | } | ||
| 813 | axes[0] = haptic->hwdata->axes[0]; // Always at least one axis. | ||
| 814 | if (dest->cAxes > 1) { | ||
| 815 | axes[1] = haptic->hwdata->axes[1]; | ||
| 816 | } | ||
| 817 | if (dest->cAxes > 2) { | ||
| 818 | axes[2] = haptic->hwdata->axes[2]; | ||
| 819 | } | ||
| 820 | dest->rgdwAxes = axes; | ||
| 821 | } | ||
| 822 | |||
| 823 | // The big type handling switch, even bigger then Linux's version. | ||
| 824 | switch (src->type) { | ||
| 825 | case SDL_HAPTIC_CONSTANT: | ||
| 826 | hap_constant = &src->constant; | ||
| 827 | constant = SDL_calloc(1, sizeof(FFCONSTANTFORCE)); | ||
| 828 | if (!constant) { | ||
| 829 | return false; | ||
| 830 | } | ||
| 831 | |||
| 832 | // Specifics | ||
| 833 | constant->lMagnitude = CONVERT(hap_constant->level); | ||
| 834 | dest->cbTypeSpecificParams = sizeof(FFCONSTANTFORCE); | ||
| 835 | dest->lpvTypeSpecificParams = constant; | ||
| 836 | |||
| 837 | // Generics | ||
| 838 | dest->dwDuration = hap_constant->length * 1000; // In microseconds. | ||
| 839 | dest->dwTriggerButton = FFGetTriggerButton(hap_constant->button); | ||
| 840 | dest->dwTriggerRepeatInterval = hap_constant->interval; | ||
| 841 | dest->dwStartDelay = hap_constant->delay * 1000; // In microseconds. | ||
| 842 | |||
| 843 | // Direction. | ||
| 844 | if (!SDL_SYS_SetDirection(dest, &hap_constant->direction, dest->cAxes)) { | ||
| 845 | return false; | ||
| 846 | } | ||
| 847 | |||
| 848 | // Envelope | ||
| 849 | if ((hap_constant->attack_length == 0) && (hap_constant->fade_length == 0)) { | ||
| 850 | SDL_free(envelope); | ||
| 851 | dest->lpEnvelope = NULL; | ||
| 852 | } else { | ||
| 853 | envelope->dwAttackLevel = CCONVERT(hap_constant->attack_level); | ||
| 854 | envelope->dwAttackTime = hap_constant->attack_length * 1000; | ||
| 855 | envelope->dwFadeLevel = CCONVERT(hap_constant->fade_level); | ||
| 856 | envelope->dwFadeTime = hap_constant->fade_length * 1000; | ||
| 857 | } | ||
| 858 | |||
| 859 | break; | ||
| 860 | |||
| 861 | case SDL_HAPTIC_SINE: | ||
| 862 | case SDL_HAPTIC_SQUARE: | ||
| 863 | case SDL_HAPTIC_TRIANGLE: | ||
| 864 | case SDL_HAPTIC_SAWTOOTHUP: | ||
| 865 | case SDL_HAPTIC_SAWTOOTHDOWN: | ||
| 866 | hap_periodic = &src->periodic; | ||
| 867 | periodic = SDL_calloc(1, sizeof(FFPERIODIC)); | ||
| 868 | if (!periodic) { | ||
| 869 | return false; | ||
| 870 | } | ||
| 871 | |||
| 872 | // Specifics | ||
| 873 | periodic->dwMagnitude = CONVERT(SDL_abs(hap_periodic->magnitude)); | ||
| 874 | periodic->lOffset = CONVERT(hap_periodic->offset); | ||
| 875 | periodic->dwPhase = | ||
| 876 | (hap_periodic->phase + (hap_periodic->magnitude < 0 ? 18000 : 0)) % 36000; | ||
| 877 | periodic->dwPeriod = hap_periodic->period * 1000; | ||
| 878 | dest->cbTypeSpecificParams = sizeof(FFPERIODIC); | ||
| 879 | dest->lpvTypeSpecificParams = periodic; | ||
| 880 | |||
| 881 | // Generics | ||
| 882 | dest->dwDuration = hap_periodic->length * 1000; // In microseconds. | ||
| 883 | dest->dwTriggerButton = FFGetTriggerButton(hap_periodic->button); | ||
| 884 | dest->dwTriggerRepeatInterval = hap_periodic->interval; | ||
| 885 | dest->dwStartDelay = hap_periodic->delay * 1000; // In microseconds. | ||
| 886 | |||
| 887 | // Direction. | ||
| 888 | if (!SDL_SYS_SetDirection(dest, &hap_periodic->direction, dest->cAxes)) { | ||
| 889 | return false; | ||
| 890 | } | ||
| 891 | |||
| 892 | // Envelope | ||
| 893 | if ((hap_periodic->attack_length == 0) && (hap_periodic->fade_length == 0)) { | ||
| 894 | SDL_free(envelope); | ||
| 895 | dest->lpEnvelope = NULL; | ||
| 896 | } else { | ||
| 897 | envelope->dwAttackLevel = CCONVERT(hap_periodic->attack_level); | ||
| 898 | envelope->dwAttackTime = hap_periodic->attack_length * 1000; | ||
| 899 | envelope->dwFadeLevel = CCONVERT(hap_periodic->fade_level); | ||
| 900 | envelope->dwFadeTime = hap_periodic->fade_length * 1000; | ||
| 901 | } | ||
| 902 | |||
| 903 | break; | ||
| 904 | |||
| 905 | case SDL_HAPTIC_SPRING: | ||
| 906 | case SDL_HAPTIC_DAMPER: | ||
| 907 | case SDL_HAPTIC_INERTIA: | ||
| 908 | case SDL_HAPTIC_FRICTION: | ||
| 909 | hap_condition = &src->condition; | ||
| 910 | if (dest->cAxes > 0) { | ||
| 911 | condition = SDL_calloc(dest->cAxes, sizeof(FFCONDITION)); | ||
| 912 | if (!condition) { | ||
| 913 | return false; | ||
| 914 | } | ||
| 915 | |||
| 916 | // Specifics | ||
| 917 | for (i = 0; i < dest->cAxes; i++) { | ||
| 918 | condition[i].lOffset = CONVERT(hap_condition->center[i]); | ||
| 919 | condition[i].lPositiveCoefficient = | ||
| 920 | CONVERT(hap_condition->right_coeff[i]); | ||
| 921 | condition[i].lNegativeCoefficient = | ||
| 922 | CONVERT(hap_condition->left_coeff[i]); | ||
| 923 | condition[i].dwPositiveSaturation = | ||
| 924 | CCONVERT(hap_condition->right_sat[i] / 2); | ||
| 925 | condition[i].dwNegativeSaturation = | ||
| 926 | CCONVERT(hap_condition->left_sat[i] / 2); | ||
| 927 | condition[i].lDeadBand = CCONVERT(hap_condition->deadband[i] / 2); | ||
| 928 | } | ||
| 929 | } | ||
| 930 | |||
| 931 | dest->cbTypeSpecificParams = sizeof(FFCONDITION) * dest->cAxes; | ||
| 932 | dest->lpvTypeSpecificParams = condition; | ||
| 933 | |||
| 934 | // Generics | ||
| 935 | dest->dwDuration = hap_condition->length * 1000; // In microseconds. | ||
| 936 | dest->dwTriggerButton = FFGetTriggerButton(hap_condition->button); | ||
| 937 | dest->dwTriggerRepeatInterval = hap_condition->interval; | ||
| 938 | dest->dwStartDelay = hap_condition->delay * 1000; // In microseconds. | ||
| 939 | |||
| 940 | // Direction. | ||
| 941 | if (!SDL_SYS_SetDirection(dest, &hap_condition->direction, dest->cAxes)) { | ||
| 942 | return false; | ||
| 943 | } | ||
| 944 | |||
| 945 | // Envelope - Not actually supported by most CONDITION implementations. | ||
| 946 | SDL_free(dest->lpEnvelope); | ||
| 947 | dest->lpEnvelope = NULL; | ||
| 948 | |||
| 949 | break; | ||
| 950 | |||
| 951 | case SDL_HAPTIC_RAMP: | ||
| 952 | hap_ramp = &src->ramp; | ||
| 953 | ramp = SDL_calloc(1, sizeof(FFRAMPFORCE)); | ||
| 954 | if (!ramp) { | ||
| 955 | return false; | ||
| 956 | } | ||
| 957 | |||
| 958 | // Specifics | ||
| 959 | ramp->lStart = CONVERT(hap_ramp->start); | ||
| 960 | ramp->lEnd = CONVERT(hap_ramp->end); | ||
| 961 | dest->cbTypeSpecificParams = sizeof(FFRAMPFORCE); | ||
| 962 | dest->lpvTypeSpecificParams = ramp; | ||
| 963 | |||
| 964 | // Generics | ||
| 965 | dest->dwDuration = hap_ramp->length * 1000; // In microseconds. | ||
| 966 | dest->dwTriggerButton = FFGetTriggerButton(hap_ramp->button); | ||
| 967 | dest->dwTriggerRepeatInterval = hap_ramp->interval; | ||
| 968 | dest->dwStartDelay = hap_ramp->delay * 1000; // In microseconds. | ||
| 969 | |||
| 970 | // Direction. | ||
| 971 | if (!SDL_SYS_SetDirection(dest, &hap_ramp->direction, dest->cAxes)) { | ||
| 972 | return false; | ||
| 973 | } | ||
| 974 | |||
| 975 | // Envelope | ||
| 976 | if ((hap_ramp->attack_length == 0) && (hap_ramp->fade_length == 0)) { | ||
| 977 | SDL_free(envelope); | ||
| 978 | dest->lpEnvelope = NULL; | ||
| 979 | } else { | ||
| 980 | envelope->dwAttackLevel = CCONVERT(hap_ramp->attack_level); | ||
| 981 | envelope->dwAttackTime = hap_ramp->attack_length * 1000; | ||
| 982 | envelope->dwFadeLevel = CCONVERT(hap_ramp->fade_level); | ||
| 983 | envelope->dwFadeTime = hap_ramp->fade_length * 1000; | ||
| 984 | } | ||
| 985 | |||
| 986 | break; | ||
| 987 | |||
| 988 | case SDL_HAPTIC_CUSTOM: | ||
| 989 | hap_custom = &src->custom; | ||
| 990 | custom = SDL_calloc(1, sizeof(FFCUSTOMFORCE)); | ||
| 991 | if (!custom) { | ||
| 992 | return false; | ||
| 993 | } | ||
| 994 | |||
| 995 | // Specifics | ||
| 996 | custom->cChannels = hap_custom->channels; | ||
| 997 | custom->dwSamplePeriod = hap_custom->period * 1000; | ||
| 998 | custom->cSamples = hap_custom->samples; | ||
| 999 | custom->rglForceData = | ||
| 1000 | SDL_malloc(sizeof(LONG) * custom->cSamples * custom->cChannels); | ||
| 1001 | for (i = 0; i < hap_custom->samples * hap_custom->channels; i++) { // Copy data. | ||
| 1002 | custom->rglForceData[i] = CCONVERT(hap_custom->data[i]); | ||
| 1003 | } | ||
| 1004 | dest->cbTypeSpecificParams = sizeof(FFCUSTOMFORCE); | ||
| 1005 | dest->lpvTypeSpecificParams = custom; | ||
| 1006 | |||
| 1007 | // Generics | ||
| 1008 | dest->dwDuration = hap_custom->length * 1000; // In microseconds. | ||
| 1009 | dest->dwTriggerButton = FFGetTriggerButton(hap_custom->button); | ||
| 1010 | dest->dwTriggerRepeatInterval = hap_custom->interval; | ||
| 1011 | dest->dwStartDelay = hap_custom->delay * 1000; // In microseconds. | ||
| 1012 | |||
| 1013 | // Direction. | ||
| 1014 | if (!SDL_SYS_SetDirection(dest, &hap_custom->direction, dest->cAxes)) { | ||
| 1015 | return false; | ||
| 1016 | } | ||
| 1017 | |||
| 1018 | // Envelope | ||
| 1019 | if ((hap_custom->attack_length == 0) && (hap_custom->fade_length == 0)) { | ||
| 1020 | SDL_free(envelope); | ||
| 1021 | dest->lpEnvelope = NULL; | ||
| 1022 | } else { | ||
| 1023 | envelope->dwAttackLevel = CCONVERT(hap_custom->attack_level); | ||
| 1024 | envelope->dwAttackTime = hap_custom->attack_length * 1000; | ||
| 1025 | envelope->dwFadeLevel = CCONVERT(hap_custom->fade_level); | ||
| 1026 | envelope->dwFadeTime = hap_custom->fade_length * 1000; | ||
| 1027 | } | ||
| 1028 | |||
| 1029 | break; | ||
| 1030 | |||
| 1031 | default: | ||
| 1032 | return SDL_SetError("Haptic: Unknown effect type."); | ||
| 1033 | } | ||
| 1034 | |||
| 1035 | return true; | ||
| 1036 | } | ||
| 1037 | |||
| 1038 | /* | ||
| 1039 | * Frees an FFEFFECT allocated by SDL_SYS_ToFFEFFECT. | ||
| 1040 | */ | ||
| 1041 | static void SDL_SYS_HapticFreeFFEFFECT(FFEFFECT *effect, int type) | ||
| 1042 | { | ||
| 1043 | FFCUSTOMFORCE *custom; | ||
| 1044 | |||
| 1045 | SDL_free(effect->lpEnvelope); | ||
| 1046 | effect->lpEnvelope = NULL; | ||
| 1047 | SDL_free(effect->rgdwAxes); | ||
| 1048 | effect->rgdwAxes = NULL; | ||
| 1049 | if (effect->lpvTypeSpecificParams) { | ||
| 1050 | if (type == SDL_HAPTIC_CUSTOM) { // Must free the custom data. | ||
| 1051 | custom = (FFCUSTOMFORCE *)effect->lpvTypeSpecificParams; | ||
| 1052 | SDL_free(custom->rglForceData); | ||
| 1053 | custom->rglForceData = NULL; | ||
| 1054 | } | ||
| 1055 | SDL_free(effect->lpvTypeSpecificParams); | ||
| 1056 | effect->lpvTypeSpecificParams = NULL; | ||
| 1057 | } | ||
| 1058 | SDL_free(effect->rglDirection); | ||
| 1059 | effect->rglDirection = NULL; | ||
| 1060 | } | ||
| 1061 | |||
| 1062 | /* | ||
| 1063 | * Gets the effect type from the generic SDL haptic effect wrapper. | ||
| 1064 | */ | ||
| 1065 | CFUUIDRef | ||
| 1066 | SDL_SYS_HapticEffectType(Uint16 type) | ||
| 1067 | { | ||
| 1068 | switch (type) { | ||
| 1069 | case SDL_HAPTIC_CONSTANT: | ||
| 1070 | return kFFEffectType_ConstantForce_ID; | ||
| 1071 | |||
| 1072 | case SDL_HAPTIC_RAMP: | ||
| 1073 | return kFFEffectType_RampForce_ID; | ||
| 1074 | |||
| 1075 | case SDL_HAPTIC_SQUARE: | ||
| 1076 | return kFFEffectType_Square_ID; | ||
| 1077 | |||
| 1078 | case SDL_HAPTIC_SINE: | ||
| 1079 | return kFFEffectType_Sine_ID; | ||
| 1080 | |||
| 1081 | case SDL_HAPTIC_TRIANGLE: | ||
| 1082 | return kFFEffectType_Triangle_ID; | ||
| 1083 | |||
| 1084 | case SDL_HAPTIC_SAWTOOTHUP: | ||
| 1085 | return kFFEffectType_SawtoothUp_ID; | ||
| 1086 | |||
| 1087 | case SDL_HAPTIC_SAWTOOTHDOWN: | ||
| 1088 | return kFFEffectType_SawtoothDown_ID; | ||
| 1089 | |||
| 1090 | case SDL_HAPTIC_SPRING: | ||
| 1091 | return kFFEffectType_Spring_ID; | ||
| 1092 | |||
| 1093 | case SDL_HAPTIC_DAMPER: | ||
| 1094 | return kFFEffectType_Damper_ID; | ||
| 1095 | |||
| 1096 | case SDL_HAPTIC_INERTIA: | ||
| 1097 | return kFFEffectType_Inertia_ID; | ||
| 1098 | |||
| 1099 | case SDL_HAPTIC_FRICTION: | ||
| 1100 | return kFFEffectType_Friction_ID; | ||
| 1101 | |||
| 1102 | case SDL_HAPTIC_CUSTOM: | ||
| 1103 | return kFFEffectType_CustomForce_ID; | ||
| 1104 | |||
| 1105 | default: | ||
| 1106 | SDL_SetError("Haptic: Unknown effect type."); | ||
| 1107 | return NULL; | ||
| 1108 | } | ||
| 1109 | } | ||
| 1110 | |||
| 1111 | /* | ||
| 1112 | * Creates a new haptic effect. | ||
| 1113 | */ | ||
| 1114 | bool SDL_SYS_HapticNewEffect(SDL_Haptic *haptic, struct haptic_effect *effect, | ||
| 1115 | const SDL_HapticEffect *base) | ||
| 1116 | { | ||
| 1117 | HRESULT ret; | ||
| 1118 | CFUUIDRef type; | ||
| 1119 | |||
| 1120 | // Alloc the effect. | ||
| 1121 | effect->hweffect = (struct haptic_hweffect *) | ||
| 1122 | SDL_calloc(1, sizeof(struct haptic_hweffect)); | ||
| 1123 | if (!effect->hweffect) { | ||
| 1124 | goto err_hweffect; | ||
| 1125 | } | ||
| 1126 | |||
| 1127 | // Get the type. | ||
| 1128 | type = SDL_SYS_HapticEffectType(base->type); | ||
| 1129 | if (!type) { | ||
| 1130 | goto err_hweffect; | ||
| 1131 | } | ||
| 1132 | |||
| 1133 | // Get the effect. | ||
| 1134 | if (!SDL_SYS_ToFFEFFECT(haptic, &effect->hweffect->effect, base)) { | ||
| 1135 | goto err_effectdone; | ||
| 1136 | } | ||
| 1137 | |||
| 1138 | // Create the actual effect. | ||
| 1139 | ret = FFDeviceCreateEffect(haptic->hwdata->device, type, | ||
| 1140 | &effect->hweffect->effect, | ||
| 1141 | &effect->hweffect->ref); | ||
| 1142 | if (ret != FF_OK) { | ||
| 1143 | SDL_SetError("Haptic: Unable to create effect: %s.", FFStrError(ret)); | ||
| 1144 | goto err_effectdone; | ||
| 1145 | } | ||
| 1146 | |||
| 1147 | return true; | ||
| 1148 | |||
| 1149 | err_effectdone: | ||
| 1150 | SDL_SYS_HapticFreeFFEFFECT(&effect->hweffect->effect, base->type); | ||
| 1151 | err_hweffect: | ||
| 1152 | SDL_free(effect->hweffect); | ||
| 1153 | effect->hweffect = NULL; | ||
| 1154 | return false; | ||
| 1155 | } | ||
| 1156 | |||
| 1157 | /* | ||
| 1158 | * Updates an effect. | ||
| 1159 | */ | ||
| 1160 | bool SDL_SYS_HapticUpdateEffect(SDL_Haptic *haptic, | ||
| 1161 | struct haptic_effect *effect, | ||
| 1162 | const SDL_HapticEffect *data) | ||
| 1163 | { | ||
| 1164 | HRESULT ret; | ||
| 1165 | FFEffectParameterFlag flags; | ||
| 1166 | FFEFFECT temp; | ||
| 1167 | |||
| 1168 | // Get the effect. | ||
| 1169 | SDL_memset(&temp, 0, sizeof(FFEFFECT)); | ||
| 1170 | if (!SDL_SYS_ToFFEFFECT(haptic, &temp, data)) { | ||
| 1171 | goto err_update; | ||
| 1172 | } | ||
| 1173 | |||
| 1174 | /* Set the flags. Might be worthwhile to diff temp with loaded effect and | ||
| 1175 | * only change those parameters. */ | ||
| 1176 | flags = FFEP_DIRECTION | | ||
| 1177 | FFEP_DURATION | | ||
| 1178 | FFEP_ENVELOPE | | ||
| 1179 | FFEP_STARTDELAY | | ||
| 1180 | FFEP_TRIGGERBUTTON | | ||
| 1181 | FFEP_TRIGGERREPEATINTERVAL | FFEP_TYPESPECIFICPARAMS; | ||
| 1182 | |||
| 1183 | // Create the actual effect. | ||
| 1184 | ret = FFEffectSetParameters(effect->hweffect->ref, &temp, flags); | ||
| 1185 | if (ret != FF_OK) { | ||
| 1186 | SDL_SetError("Haptic: Unable to update effect: %s.", FFStrError(ret)); | ||
| 1187 | goto err_update; | ||
| 1188 | } | ||
| 1189 | |||
| 1190 | // Copy it over. | ||
| 1191 | SDL_SYS_HapticFreeFFEFFECT(&effect->hweffect->effect, data->type); | ||
| 1192 | SDL_memcpy(&effect->hweffect->effect, &temp, sizeof(FFEFFECT)); | ||
| 1193 | |||
| 1194 | return true; | ||
| 1195 | |||
| 1196 | err_update: | ||
| 1197 | SDL_SYS_HapticFreeFFEFFECT(&temp, data->type); | ||
| 1198 | return false; | ||
| 1199 | } | ||
| 1200 | |||
| 1201 | /* | ||
| 1202 | * Runs an effect. | ||
| 1203 | */ | ||
| 1204 | bool SDL_SYS_HapticRunEffect(SDL_Haptic *haptic, struct haptic_effect *effect, | ||
| 1205 | Uint32 iterations) | ||
| 1206 | { | ||
| 1207 | HRESULT ret; | ||
| 1208 | Uint32 iter; | ||
| 1209 | |||
| 1210 | // Check if it's infinite. | ||
| 1211 | if (iterations == SDL_HAPTIC_INFINITY) { | ||
| 1212 | iter = FF_INFINITE; | ||
| 1213 | } else { | ||
| 1214 | iter = iterations; | ||
| 1215 | } | ||
| 1216 | |||
| 1217 | // Run the effect. | ||
| 1218 | ret = FFEffectStart(effect->hweffect->ref, iter, 0); | ||
| 1219 | if (ret != FF_OK) { | ||
| 1220 | return SDL_SetError("Haptic: Unable to run the effect: %s.", | ||
| 1221 | FFStrError(ret)); | ||
| 1222 | } | ||
| 1223 | |||
| 1224 | return true; | ||
| 1225 | } | ||
| 1226 | |||
| 1227 | /* | ||
| 1228 | * Stops an effect. | ||
| 1229 | */ | ||
| 1230 | bool SDL_SYS_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1231 | { | ||
| 1232 | HRESULT ret; | ||
| 1233 | |||
| 1234 | ret = FFEffectStop(effect->hweffect->ref); | ||
| 1235 | if (ret != FF_OK) { | ||
| 1236 | return SDL_SetError("Haptic: Unable to stop the effect: %s.", | ||
| 1237 | FFStrError(ret)); | ||
| 1238 | } | ||
| 1239 | |||
| 1240 | return true; | ||
| 1241 | } | ||
| 1242 | |||
| 1243 | /* | ||
| 1244 | * Frees the effect. | ||
| 1245 | */ | ||
| 1246 | void SDL_SYS_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1247 | { | ||
| 1248 | HRESULT ret; | ||
| 1249 | |||
| 1250 | ret = FFDeviceReleaseEffect(haptic->hwdata->device, effect->hweffect->ref); | ||
| 1251 | if (ret != FF_OK) { | ||
| 1252 | SDL_SetError("Haptic: Error removing the effect from the device: %s.", | ||
| 1253 | FFStrError(ret)); | ||
| 1254 | } | ||
| 1255 | SDL_SYS_HapticFreeFFEFFECT(&effect->hweffect->effect, | ||
| 1256 | effect->effect.type); | ||
| 1257 | SDL_free(effect->hweffect); | ||
| 1258 | effect->hweffect = NULL; | ||
| 1259 | } | ||
| 1260 | |||
| 1261 | /* | ||
| 1262 | * Gets the status of a haptic effect. | ||
| 1263 | */ | ||
| 1264 | int SDL_SYS_HapticGetEffectStatus(SDL_Haptic *haptic, | ||
| 1265 | struct haptic_effect *effect) | ||
| 1266 | { | ||
| 1267 | HRESULT ret; | ||
| 1268 | FFEffectStatusFlag status; | ||
| 1269 | |||
| 1270 | ret = FFEffectGetEffectStatus(effect->hweffect->ref, &status); | ||
| 1271 | if (ret != FF_OK) { | ||
| 1272 | SDL_SetError("Haptic: Unable to get effect status: %s.", FFStrError(ret)); | ||
| 1273 | return -1; | ||
| 1274 | } | ||
| 1275 | |||
| 1276 | if (status == 0) { | ||
| 1277 | return 0; | ||
| 1278 | } | ||
| 1279 | return 1; // Assume it's playing or emulated. | ||
| 1280 | } | ||
| 1281 | |||
| 1282 | /* | ||
| 1283 | * Sets the gain. | ||
| 1284 | */ | ||
| 1285 | bool SDL_SYS_HapticSetGain(SDL_Haptic *haptic, int gain) | ||
| 1286 | { | ||
| 1287 | HRESULT ret; | ||
| 1288 | Uint32 val; | ||
| 1289 | |||
| 1290 | val = gain * 100; // macOS uses 0 to 10,000 | ||
| 1291 | ret = FFDeviceSetForceFeedbackProperty(haptic->hwdata->device, | ||
| 1292 | FFPROP_FFGAIN, &val); | ||
| 1293 | if (ret != FF_OK) { | ||
| 1294 | return SDL_SetError("Haptic: Error setting gain: %s.", FFStrError(ret)); | ||
| 1295 | } | ||
| 1296 | |||
| 1297 | return true; | ||
| 1298 | } | ||
| 1299 | |||
| 1300 | /* | ||
| 1301 | * Sets the autocentering. | ||
| 1302 | */ | ||
| 1303 | bool SDL_SYS_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter) | ||
| 1304 | { | ||
| 1305 | HRESULT ret; | ||
| 1306 | Uint32 val; | ||
| 1307 | |||
| 1308 | // macOS only has 0 (off) and 1 (on) | ||
| 1309 | if (autocenter == 0) { | ||
| 1310 | val = 0; | ||
| 1311 | } else { | ||
| 1312 | val = 1; | ||
| 1313 | } | ||
| 1314 | |||
| 1315 | ret = FFDeviceSetForceFeedbackProperty(haptic->hwdata->device, | ||
| 1316 | FFPROP_AUTOCENTER, &val); | ||
| 1317 | if (ret != FF_OK) { | ||
| 1318 | return SDL_SetError("Haptic: Error setting autocenter: %s.", | ||
| 1319 | FFStrError(ret)); | ||
| 1320 | } | ||
| 1321 | |||
| 1322 | return true; | ||
| 1323 | } | ||
| 1324 | |||
| 1325 | /* | ||
| 1326 | * Pauses the device. | ||
| 1327 | */ | ||
| 1328 | bool SDL_SYS_HapticPause(SDL_Haptic *haptic) | ||
| 1329 | { | ||
| 1330 | HRESULT ret; | ||
| 1331 | |||
| 1332 | ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, | ||
| 1333 | FFSFFC_PAUSE); | ||
| 1334 | if (ret != FF_OK) { | ||
| 1335 | return SDL_SetError("Haptic: Error pausing device: %s.", FFStrError(ret)); | ||
| 1336 | } | ||
| 1337 | |||
| 1338 | return true; | ||
| 1339 | } | ||
| 1340 | |||
| 1341 | /* | ||
| 1342 | * Unpauses the device. | ||
| 1343 | */ | ||
| 1344 | bool SDL_SYS_HapticResume(SDL_Haptic *haptic) | ||
| 1345 | { | ||
| 1346 | HRESULT ret; | ||
| 1347 | |||
| 1348 | ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, | ||
| 1349 | FFSFFC_CONTINUE); | ||
| 1350 | if (ret != FF_OK) { | ||
| 1351 | return SDL_SetError("Haptic: Error resuming device: %s.", FFStrError(ret)); | ||
| 1352 | } | ||
| 1353 | |||
| 1354 | return true; | ||
| 1355 | } | ||
| 1356 | |||
| 1357 | /* | ||
| 1358 | * Stops all currently playing effects. | ||
| 1359 | */ | ||
| 1360 | bool SDL_SYS_HapticStopAll(SDL_Haptic *haptic) | ||
| 1361 | { | ||
| 1362 | HRESULT ret; | ||
| 1363 | |||
| 1364 | ret = FFDeviceSendForceFeedbackCommand(haptic->hwdata->device, | ||
| 1365 | FFSFFC_STOPALL); | ||
| 1366 | if (ret != FF_OK) { | ||
| 1367 | return SDL_SetError("Haptic: Error stopping device: %s.", FFStrError(ret)); | ||
| 1368 | } | ||
| 1369 | |||
| 1370 | return true; | ||
| 1371 | } | ||
| 1372 | |||
| 1373 | #endif // SDL_HAPTIC_IOKIT | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/darwin/SDL_syshaptic_c.h b/contrib/SDL-3.2.8/src/haptic/darwin/SDL_syshaptic_c.h new file mode 100644 index 0000000..03c67ec --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/darwin/SDL_syshaptic_c.h | |||
| @@ -0,0 +1,29 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | |||
| 22 | // Things named "Master" were renamed to "Main" in macOS 12.0's SDK. | ||
| 23 | #include <AvailabilityMacros.h> | ||
| 24 | #if MAC_OS_X_VERSION_MIN_REQUIRED < 120000 | ||
| 25 | #define kIOMainPortDefault kIOMasterPortDefault | ||
| 26 | #endif | ||
| 27 | |||
| 28 | extern bool MacHaptic_MaybeAddDevice(io_object_t device); | ||
| 29 | extern bool MacHaptic_MaybeRemoveDevice(io_object_t device); | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/dummy/SDL_syshaptic.c b/contrib/SDL-3.2.8/src/haptic/dummy/SDL_syshaptic.c new file mode 100644 index 0000000..81f711f --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/dummy/SDL_syshaptic.c | |||
| @@ -0,0 +1,151 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #if defined(SDL_HAPTIC_DUMMY) || defined(SDL_HAPTIC_DISABLED) | ||
| 24 | |||
| 25 | #include "../SDL_syshaptic.h" | ||
| 26 | |||
| 27 | static bool SDL_SYS_LogicError(void) | ||
| 28 | { | ||
| 29 | return SDL_SetError("Logic error: No haptic devices available."); | ||
| 30 | } | ||
| 31 | |||
| 32 | bool SDL_SYS_HapticInit(void) | ||
| 33 | { | ||
| 34 | return true; | ||
| 35 | } | ||
| 36 | |||
| 37 | int SDL_SYS_NumHaptics(void) | ||
| 38 | { | ||
| 39 | return 0; | ||
| 40 | } | ||
| 41 | |||
| 42 | SDL_HapticID SDL_SYS_HapticInstanceID(int index) | ||
| 43 | { | ||
| 44 | SDL_SYS_LogicError(); | ||
| 45 | return 0; | ||
| 46 | } | ||
| 47 | |||
| 48 | const char *SDL_SYS_HapticName(int index) | ||
| 49 | { | ||
| 50 | SDL_SYS_LogicError(); | ||
| 51 | return NULL; | ||
| 52 | } | ||
| 53 | |||
| 54 | bool SDL_SYS_HapticOpen(SDL_Haptic *haptic) | ||
| 55 | { | ||
| 56 | return SDL_SYS_LogicError(); | ||
| 57 | } | ||
| 58 | |||
| 59 | int SDL_SYS_HapticMouse(void) | ||
| 60 | { | ||
| 61 | return -1; | ||
| 62 | } | ||
| 63 | |||
| 64 | bool SDL_SYS_JoystickIsHaptic(SDL_Joystick *joystick) | ||
| 65 | { | ||
| 66 | return false; | ||
| 67 | } | ||
| 68 | |||
| 69 | bool SDL_SYS_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 70 | { | ||
| 71 | return SDL_SYS_LogicError(); | ||
| 72 | } | ||
| 73 | |||
| 74 | bool SDL_SYS_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 75 | { | ||
| 76 | return false; | ||
| 77 | } | ||
| 78 | |||
| 79 | void SDL_SYS_HapticClose(SDL_Haptic *haptic) | ||
| 80 | { | ||
| 81 | return; | ||
| 82 | } | ||
| 83 | |||
| 84 | void SDL_SYS_HapticQuit(void) | ||
| 85 | { | ||
| 86 | return; | ||
| 87 | } | ||
| 88 | |||
| 89 | bool SDL_SYS_HapticNewEffect(SDL_Haptic *haptic, | ||
| 90 | struct haptic_effect *effect, const SDL_HapticEffect *base) | ||
| 91 | { | ||
| 92 | return SDL_SYS_LogicError(); | ||
| 93 | } | ||
| 94 | |||
| 95 | bool SDL_SYS_HapticUpdateEffect(SDL_Haptic *haptic, | ||
| 96 | struct haptic_effect *effect, | ||
| 97 | const SDL_HapticEffect *data) | ||
| 98 | { | ||
| 99 | return SDL_SYS_LogicError(); | ||
| 100 | } | ||
| 101 | |||
| 102 | bool SDL_SYS_HapticRunEffect(SDL_Haptic *haptic, struct haptic_effect *effect, | ||
| 103 | Uint32 iterations) | ||
| 104 | { | ||
| 105 | return SDL_SYS_LogicError(); | ||
| 106 | } | ||
| 107 | |||
| 108 | bool SDL_SYS_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 109 | { | ||
| 110 | return SDL_SYS_LogicError(); | ||
| 111 | } | ||
| 112 | |||
| 113 | void SDL_SYS_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 114 | { | ||
| 115 | SDL_SYS_LogicError(); | ||
| 116 | return; | ||
| 117 | } | ||
| 118 | |||
| 119 | int SDL_SYS_HapticGetEffectStatus(SDL_Haptic *haptic, | ||
| 120 | struct haptic_effect *effect) | ||
| 121 | { | ||
| 122 | SDL_SYS_LogicError(); | ||
| 123 | return -1; | ||
| 124 | } | ||
| 125 | |||
| 126 | bool SDL_SYS_HapticSetGain(SDL_Haptic *haptic, int gain) | ||
| 127 | { | ||
| 128 | return SDL_SYS_LogicError(); | ||
| 129 | } | ||
| 130 | |||
| 131 | bool SDL_SYS_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter) | ||
| 132 | { | ||
| 133 | return SDL_SYS_LogicError(); | ||
| 134 | } | ||
| 135 | |||
| 136 | bool SDL_SYS_HapticPause(SDL_Haptic *haptic) | ||
| 137 | { | ||
| 138 | return SDL_SYS_LogicError(); | ||
| 139 | } | ||
| 140 | |||
| 141 | bool SDL_SYS_HapticResume(SDL_Haptic *haptic) | ||
| 142 | { | ||
| 143 | return SDL_SYS_LogicError(); | ||
| 144 | } | ||
| 145 | |||
| 146 | bool SDL_SYS_HapticStopAll(SDL_Haptic *haptic) | ||
| 147 | { | ||
| 148 | return SDL_SYS_LogicError(); | ||
| 149 | } | ||
| 150 | |||
| 151 | #endif // SDL_HAPTIC_DUMMY || SDL_HAPTIC_DISABLED | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/linux/SDL_syshaptic.c b/contrib/SDL-3.2.8/src/haptic/linux/SDL_syshaptic.c new file mode 100644 index 0000000..842f577 --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/linux/SDL_syshaptic.c | |||
| @@ -0,0 +1,1134 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_HAPTIC_LINUX | ||
| 24 | |||
| 25 | #include "../SDL_syshaptic.h" | ||
| 26 | #include "../../joystick/SDL_sysjoystick.h" // For the real SDL_Joystick | ||
| 27 | #include "../../joystick/linux/SDL_sysjoystick_c.h" // For joystick hwdata | ||
| 28 | #include "../../core/linux/SDL_evdev_capabilities.h" | ||
| 29 | #include "../../core/linux/SDL_udev.h" | ||
| 30 | |||
| 31 | #include <unistd.h> // close | ||
| 32 | #include <linux/input.h> // Force feedback linux stuff. | ||
| 33 | #include <fcntl.h> // O_RDWR | ||
| 34 | #include <limits.h> // INT_MAX | ||
| 35 | #include <errno.h> // errno | ||
| 36 | #include <string.h> // strerror | ||
| 37 | #include <sys/stat.h> // stat | ||
| 38 | |||
| 39 | #define MAX_HAPTICS 32 // It's doubtful someone has more then 32 evdev | ||
| 40 | |||
| 41 | static bool MaybeAddDevice(const char *path); | ||
| 42 | #ifdef SDL_USE_LIBUDEV | ||
| 43 | static bool MaybeRemoveDevice(const char *path); | ||
| 44 | static void haptic_udev_callback(SDL_UDEV_deviceevent udev_type, int udev_class, const char *devpath); | ||
| 45 | #endif // SDL_USE_LIBUDEV | ||
| 46 | |||
| 47 | /* | ||
| 48 | * List of available haptic devices. | ||
| 49 | */ | ||
| 50 | typedef struct SDL_hapticlist_item | ||
| 51 | { | ||
| 52 | SDL_HapticID instance_id; | ||
| 53 | char *fname; // Dev path name (like /dev/input/event1) | ||
| 54 | SDL_Haptic *haptic; // Associated haptic. | ||
| 55 | dev_t dev_num; | ||
| 56 | struct SDL_hapticlist_item *next; | ||
| 57 | } SDL_hapticlist_item; | ||
| 58 | |||
| 59 | /* | ||
| 60 | * Haptic system hardware data. | ||
| 61 | */ | ||
| 62 | struct haptic_hwdata | ||
| 63 | { | ||
| 64 | int fd; // File descriptor of the device. | ||
| 65 | char *fname; // Points to the name in SDL_hapticlist. | ||
| 66 | }; | ||
| 67 | |||
| 68 | /* | ||
| 69 | * Haptic system effect data. | ||
| 70 | */ | ||
| 71 | struct haptic_hweffect | ||
| 72 | { | ||
| 73 | struct ff_effect effect; // The linux kernel effect structure. | ||
| 74 | }; | ||
| 75 | |||
| 76 | static SDL_hapticlist_item *SDL_hapticlist = NULL; | ||
| 77 | static SDL_hapticlist_item *SDL_hapticlist_tail = NULL; | ||
| 78 | static int numhaptics = 0; | ||
| 79 | |||
| 80 | #define EV_TEST(ev, f) \ | ||
| 81 | if (test_bit((ev), features)) { \ | ||
| 82 | ret |= (f); \ | ||
| 83 | } | ||
| 84 | /* | ||
| 85 | * Test whether a device has haptic properties. | ||
| 86 | * Returns available properties or 0 if there are none. | ||
| 87 | */ | ||
| 88 | static Uint32 EV_IsHaptic(int fd) | ||
| 89 | { | ||
| 90 | unsigned long features[1 + FF_MAX / sizeof(unsigned long)]; | ||
| 91 | Uint32 ret = 0; | ||
| 92 | |||
| 93 | // Ask device for what it has. | ||
| 94 | if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(features)), features) < 0) { | ||
| 95 | SDL_SetError("Haptic: Unable to get device's features: %s", strerror(errno)); | ||
| 96 | return 0; | ||
| 97 | } | ||
| 98 | |||
| 99 | // Convert supported features to SDL_HAPTIC platform-neutral features. | ||
| 100 | EV_TEST(FF_CONSTANT, SDL_HAPTIC_CONSTANT); | ||
| 101 | EV_TEST(FF_SINE, SDL_HAPTIC_SINE); | ||
| 102 | EV_TEST(FF_SQUARE, SDL_HAPTIC_SQUARE); | ||
| 103 | EV_TEST(FF_TRIANGLE, SDL_HAPTIC_TRIANGLE); | ||
| 104 | EV_TEST(FF_SAW_UP, SDL_HAPTIC_SAWTOOTHUP); | ||
| 105 | EV_TEST(FF_SAW_DOWN, SDL_HAPTIC_SAWTOOTHDOWN); | ||
| 106 | EV_TEST(FF_RAMP, SDL_HAPTIC_RAMP); | ||
| 107 | EV_TEST(FF_SPRING, SDL_HAPTIC_SPRING); | ||
| 108 | EV_TEST(FF_FRICTION, SDL_HAPTIC_FRICTION); | ||
| 109 | EV_TEST(FF_DAMPER, SDL_HAPTIC_DAMPER); | ||
| 110 | EV_TEST(FF_INERTIA, SDL_HAPTIC_INERTIA); | ||
| 111 | EV_TEST(FF_CUSTOM, SDL_HAPTIC_CUSTOM); | ||
| 112 | EV_TEST(FF_GAIN, SDL_HAPTIC_GAIN); | ||
| 113 | EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER); | ||
| 114 | EV_TEST(FF_RUMBLE, SDL_HAPTIC_LEFTRIGHT); | ||
| 115 | |||
| 116 | // Return what it supports. | ||
| 117 | return ret; | ||
| 118 | } | ||
| 119 | |||
| 120 | /* | ||
| 121 | * Tests whether a device is a mouse or not. | ||
| 122 | */ | ||
| 123 | static bool EV_IsMouse(int fd) | ||
| 124 | { | ||
| 125 | unsigned long argp[40]; | ||
| 126 | |||
| 127 | // Ask for supported features. | ||
| 128 | if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(argp)), argp) < 0) { | ||
| 129 | return false; | ||
| 130 | } | ||
| 131 | |||
| 132 | // Currently we only test for BTN_MOUSE which can give fake positives. | ||
| 133 | if (test_bit(BTN_MOUSE, argp) != 0) { | ||
| 134 | return true; | ||
| 135 | } | ||
| 136 | |||
| 137 | return true; | ||
| 138 | } | ||
| 139 | |||
| 140 | /* | ||
| 141 | * Initializes the haptic subsystem by finding available devices. | ||
| 142 | */ | ||
| 143 | bool SDL_SYS_HapticInit(void) | ||
| 144 | { | ||
| 145 | const char joydev_pattern[] = "/dev/input/event%d"; | ||
| 146 | char path[PATH_MAX]; | ||
| 147 | int i, j; | ||
| 148 | |||
| 149 | /* | ||
| 150 | * Limit amount of checks to MAX_HAPTICS since we may or may not have | ||
| 151 | * permission to some or all devices. | ||
| 152 | */ | ||
| 153 | i = 0; | ||
| 154 | for (j = 0; j < MAX_HAPTICS; ++j) { | ||
| 155 | (void)SDL_snprintf(path, PATH_MAX, joydev_pattern, i++); | ||
| 156 | MaybeAddDevice(path); | ||
| 157 | } | ||
| 158 | |||
| 159 | #ifdef SDL_USE_LIBUDEV | ||
| 160 | if (!SDL_UDEV_Init()) { | ||
| 161 | return SDL_SetError("Could not initialize UDEV"); | ||
| 162 | } | ||
| 163 | |||
| 164 | if (!SDL_UDEV_AddCallback(haptic_udev_callback)) { | ||
| 165 | SDL_UDEV_Quit(); | ||
| 166 | return SDL_SetError("Could not setup haptic <-> udev callback"); | ||
| 167 | } | ||
| 168 | |||
| 169 | // Force a scan to build the initial device list | ||
| 170 | SDL_UDEV_Scan(); | ||
| 171 | #endif // SDL_USE_LIBUDEV | ||
| 172 | |||
| 173 | return true; | ||
| 174 | } | ||
| 175 | |||
| 176 | int SDL_SYS_NumHaptics(void) | ||
| 177 | { | ||
| 178 | return numhaptics; | ||
| 179 | } | ||
| 180 | |||
| 181 | static SDL_hapticlist_item *HapticByDevIndex(int device_index) | ||
| 182 | { | ||
| 183 | SDL_hapticlist_item *item = SDL_hapticlist; | ||
| 184 | |||
| 185 | if ((device_index < 0) || (device_index >= numhaptics)) { | ||
| 186 | return NULL; | ||
| 187 | } | ||
| 188 | |||
| 189 | while (device_index > 0) { | ||
| 190 | SDL_assert(item != NULL); | ||
| 191 | --device_index; | ||
| 192 | item = item->next; | ||
| 193 | } | ||
| 194 | |||
| 195 | return item; | ||
| 196 | } | ||
| 197 | |||
| 198 | static SDL_hapticlist_item *HapticByInstanceID(SDL_HapticID instance_id) | ||
| 199 | { | ||
| 200 | SDL_hapticlist_item *item; | ||
| 201 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 202 | if (instance_id == item->instance_id) { | ||
| 203 | return item; | ||
| 204 | } | ||
| 205 | } | ||
| 206 | return NULL; | ||
| 207 | } | ||
| 208 | |||
| 209 | #ifdef SDL_USE_LIBUDEV | ||
| 210 | static void haptic_udev_callback(SDL_UDEV_deviceevent udev_type, int udev_class, const char *devpath) | ||
| 211 | { | ||
| 212 | if (!devpath || !(udev_class & SDL_UDEV_DEVICE_JOYSTICK)) { | ||
| 213 | return; | ||
| 214 | } | ||
| 215 | |||
| 216 | switch (udev_type) { | ||
| 217 | case SDL_UDEV_DEVICEADDED: | ||
| 218 | MaybeAddDevice(devpath); | ||
| 219 | break; | ||
| 220 | |||
| 221 | case SDL_UDEV_DEVICEREMOVED: | ||
| 222 | MaybeRemoveDevice(devpath); | ||
| 223 | break; | ||
| 224 | |||
| 225 | default: | ||
| 226 | break; | ||
| 227 | } | ||
| 228 | } | ||
| 229 | #endif // SDL_USE_LIBUDEV | ||
| 230 | |||
| 231 | static bool MaybeAddDevice(const char *path) | ||
| 232 | { | ||
| 233 | struct stat sb; | ||
| 234 | int fd; | ||
| 235 | Uint32 supported; | ||
| 236 | SDL_hapticlist_item *item; | ||
| 237 | |||
| 238 | if (!path) { | ||
| 239 | return false; | ||
| 240 | } | ||
| 241 | |||
| 242 | // try to open | ||
| 243 | fd = open(path, O_RDWR | O_CLOEXEC, 0); | ||
| 244 | if (fd < 0) { | ||
| 245 | return false; | ||
| 246 | } | ||
| 247 | |||
| 248 | // get file status | ||
| 249 | if (fstat(fd, &sb) != 0) { | ||
| 250 | close(fd); | ||
| 251 | return false; | ||
| 252 | } | ||
| 253 | |||
| 254 | // check for duplicates | ||
| 255 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 256 | if (item->dev_num == sb.st_rdev) { | ||
| 257 | close(fd); | ||
| 258 | return false; // duplicate. | ||
| 259 | } | ||
| 260 | } | ||
| 261 | |||
| 262 | #ifdef DEBUG_INPUT_EVENTS | ||
| 263 | printf("Checking %s\n", path); | ||
| 264 | #endif | ||
| 265 | |||
| 266 | // see if it works | ||
| 267 | supported = EV_IsHaptic(fd); | ||
| 268 | close(fd); | ||
| 269 | if (!supported) { | ||
| 270 | return false; | ||
| 271 | } | ||
| 272 | |||
| 273 | item = (SDL_hapticlist_item *)SDL_calloc(1, sizeof(SDL_hapticlist_item)); | ||
| 274 | if (!item) { | ||
| 275 | return false; | ||
| 276 | } | ||
| 277 | |||
| 278 | item->instance_id = SDL_GetNextObjectID(); | ||
| 279 | item->fname = SDL_strdup(path); | ||
| 280 | if (!item->fname) { | ||
| 281 | SDL_free(item); | ||
| 282 | return false; | ||
| 283 | } | ||
| 284 | |||
| 285 | item->dev_num = sb.st_rdev; | ||
| 286 | |||
| 287 | // TODO: should we add instance IDs? | ||
| 288 | if (!SDL_hapticlist_tail) { | ||
| 289 | SDL_hapticlist = SDL_hapticlist_tail = item; | ||
| 290 | } else { | ||
| 291 | SDL_hapticlist_tail->next = item; | ||
| 292 | SDL_hapticlist_tail = item; | ||
| 293 | } | ||
| 294 | |||
| 295 | ++numhaptics; | ||
| 296 | |||
| 297 | // !!! TODO: Send a haptic add event? | ||
| 298 | |||
| 299 | return true; | ||
| 300 | } | ||
| 301 | |||
| 302 | #ifdef SDL_USE_LIBUDEV | ||
| 303 | static bool MaybeRemoveDevice(const char *path) | ||
| 304 | { | ||
| 305 | SDL_hapticlist_item *item; | ||
| 306 | SDL_hapticlist_item *prev = NULL; | ||
| 307 | |||
| 308 | if (!path) { | ||
| 309 | return false; | ||
| 310 | } | ||
| 311 | |||
| 312 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 313 | // found it, remove it. | ||
| 314 | if (SDL_strcmp(path, item->fname) == 0) { | ||
| 315 | const bool result = item->haptic ? true : false; | ||
| 316 | |||
| 317 | if (prev) { | ||
| 318 | prev->next = item->next; | ||
| 319 | } else { | ||
| 320 | SDL_assert(SDL_hapticlist == item); | ||
| 321 | SDL_hapticlist = item->next; | ||
| 322 | } | ||
| 323 | if (item == SDL_hapticlist_tail) { | ||
| 324 | SDL_hapticlist_tail = prev; | ||
| 325 | } | ||
| 326 | |||
| 327 | // Need to decrement the haptic count | ||
| 328 | --numhaptics; | ||
| 329 | // !!! TODO: Send a haptic remove event? | ||
| 330 | |||
| 331 | SDL_free(item->fname); | ||
| 332 | SDL_free(item); | ||
| 333 | return result; | ||
| 334 | } | ||
| 335 | prev = item; | ||
| 336 | } | ||
| 337 | |||
| 338 | return false; | ||
| 339 | } | ||
| 340 | #endif // SDL_USE_LIBUDEV | ||
| 341 | |||
| 342 | /* | ||
| 343 | * Return the instance ID of a haptic device, does not need to be opened. | ||
| 344 | */ | ||
| 345 | SDL_HapticID SDL_SYS_HapticInstanceID(int index) | ||
| 346 | { | ||
| 347 | SDL_hapticlist_item *item; | ||
| 348 | |||
| 349 | item = HapticByDevIndex(index); | ||
| 350 | if (item) { | ||
| 351 | return item->instance_id; | ||
| 352 | } | ||
| 353 | return 0; | ||
| 354 | } | ||
| 355 | |||
| 356 | /* | ||
| 357 | * Gets the name from a file descriptor. | ||
| 358 | */ | ||
| 359 | static const char *SDL_SYS_HapticNameFromFD(int fd) | ||
| 360 | { | ||
| 361 | static char namebuf[128]; | ||
| 362 | |||
| 363 | // We use the evdev name ioctl. | ||
| 364 | if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) { | ||
| 365 | return NULL; | ||
| 366 | } | ||
| 367 | |||
| 368 | return namebuf; | ||
| 369 | } | ||
| 370 | |||
| 371 | /* | ||
| 372 | * Return the name of a haptic device, does not need to be opened. | ||
| 373 | */ | ||
| 374 | const char *SDL_SYS_HapticName(int index) | ||
| 375 | { | ||
| 376 | SDL_hapticlist_item *item; | ||
| 377 | int fd; | ||
| 378 | const char *name = NULL; | ||
| 379 | |||
| 380 | item = HapticByDevIndex(index); | ||
| 381 | if (item) { | ||
| 382 | // Open the haptic device. | ||
| 383 | fd = open(item->fname, O_RDONLY | O_CLOEXEC, 0); | ||
| 384 | |||
| 385 | if (fd >= 0) { | ||
| 386 | |||
| 387 | name = SDL_SYS_HapticNameFromFD(fd); | ||
| 388 | if (!name) { | ||
| 389 | // No name found, return device character device | ||
| 390 | name = item->fname; | ||
| 391 | } | ||
| 392 | close(fd); | ||
| 393 | } | ||
| 394 | } | ||
| 395 | return name; | ||
| 396 | } | ||
| 397 | |||
| 398 | /* | ||
| 399 | * Opens the haptic device from the file descriptor. | ||
| 400 | */ | ||
| 401 | static bool SDL_SYS_HapticOpenFromFD(SDL_Haptic *haptic, int fd) | ||
| 402 | { | ||
| 403 | // Allocate the hwdata | ||
| 404 | haptic->hwdata = (struct haptic_hwdata *) | ||
| 405 | SDL_calloc(1, sizeof(*haptic->hwdata)); | ||
| 406 | if (!haptic->hwdata) { | ||
| 407 | goto open_err; | ||
| 408 | } | ||
| 409 | |||
| 410 | // Set the data. | ||
| 411 | haptic->hwdata->fd = fd; | ||
| 412 | haptic->supported = EV_IsHaptic(fd); | ||
| 413 | haptic->naxes = 2; // Hardcoded for now, not sure if it's possible to find out. | ||
| 414 | |||
| 415 | // Set the effects | ||
| 416 | if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) { | ||
| 417 | SDL_SetError("Haptic: Unable to query device memory: %s", | ||
| 418 | strerror(errno)); | ||
| 419 | goto open_err; | ||
| 420 | } | ||
| 421 | haptic->nplaying = haptic->neffects; // Linux makes no distinction. | ||
| 422 | haptic->effects = (struct haptic_effect *) | ||
| 423 | SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects); | ||
| 424 | if (!haptic->effects) { | ||
| 425 | goto open_err; | ||
| 426 | } | ||
| 427 | // Clear the memory | ||
| 428 | SDL_memset(haptic->effects, 0, | ||
| 429 | sizeof(struct haptic_effect) * haptic->neffects); | ||
| 430 | |||
| 431 | return true; | ||
| 432 | |||
| 433 | // Error handling | ||
| 434 | open_err: | ||
| 435 | close(fd); | ||
| 436 | if (haptic->hwdata) { | ||
| 437 | SDL_free(haptic->hwdata); | ||
| 438 | haptic->hwdata = NULL; | ||
| 439 | } | ||
| 440 | return false; | ||
| 441 | } | ||
| 442 | |||
| 443 | /* | ||
| 444 | * Opens a haptic device for usage. | ||
| 445 | */ | ||
| 446 | bool SDL_SYS_HapticOpen(SDL_Haptic *haptic) | ||
| 447 | { | ||
| 448 | int fd; | ||
| 449 | SDL_hapticlist_item *item; | ||
| 450 | |||
| 451 | item = HapticByInstanceID(haptic->instance_id); | ||
| 452 | // Open the character device | ||
| 453 | fd = open(item->fname, O_RDWR | O_CLOEXEC, 0); | ||
| 454 | if (fd < 0) { | ||
| 455 | return SDL_SetError("Haptic: Unable to open %s: %s", | ||
| 456 | item->fname, strerror(errno)); | ||
| 457 | } | ||
| 458 | |||
| 459 | // Try to create the haptic. | ||
| 460 | if (!SDL_SYS_HapticOpenFromFD(haptic, fd)) { | ||
| 461 | // Already closes on error. | ||
| 462 | return false; | ||
| 463 | } | ||
| 464 | |||
| 465 | // Set the fname. | ||
| 466 | haptic->hwdata->fname = SDL_strdup(item->fname); | ||
| 467 | return true; | ||
| 468 | } | ||
| 469 | |||
| 470 | /* | ||
| 471 | * Opens a haptic device from first mouse it finds for usage. | ||
| 472 | */ | ||
| 473 | int SDL_SYS_HapticMouse(void) | ||
| 474 | { | ||
| 475 | int fd; | ||
| 476 | int device_index = 0; | ||
| 477 | SDL_hapticlist_item *item; | ||
| 478 | |||
| 479 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 480 | // Open the device. | ||
| 481 | fd = open(item->fname, O_RDWR | O_CLOEXEC, 0); | ||
| 482 | if (fd < 0) { | ||
| 483 | return SDL_SetError("Haptic: Unable to open %s: %s", | ||
| 484 | item->fname, strerror(errno)); | ||
| 485 | } | ||
| 486 | |||
| 487 | // Is it a mouse? | ||
| 488 | if (EV_IsMouse(fd)) { | ||
| 489 | close(fd); | ||
| 490 | return device_index; | ||
| 491 | } | ||
| 492 | |||
| 493 | close(fd); | ||
| 494 | |||
| 495 | ++device_index; | ||
| 496 | } | ||
| 497 | |||
| 498 | return -1; | ||
| 499 | } | ||
| 500 | |||
| 501 | /* | ||
| 502 | * Checks to see if a joystick has haptic features. | ||
| 503 | */ | ||
| 504 | bool SDL_SYS_JoystickIsHaptic(SDL_Joystick *joystick) | ||
| 505 | { | ||
| 506 | #ifdef SDL_JOYSTICK_LINUX | ||
| 507 | SDL_AssertJoysticksLocked(); | ||
| 508 | |||
| 509 | if (joystick->driver != &SDL_LINUX_JoystickDriver) { | ||
| 510 | return false; | ||
| 511 | } | ||
| 512 | if (EV_IsHaptic(joystick->hwdata->fd)) { | ||
| 513 | return true; | ||
| 514 | } | ||
| 515 | #endif | ||
| 516 | return false; | ||
| 517 | } | ||
| 518 | |||
| 519 | /* | ||
| 520 | * Checks to see if the haptic device and joystick are in reality the same. | ||
| 521 | */ | ||
| 522 | bool SDL_SYS_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 523 | { | ||
| 524 | #ifdef SDL_JOYSTICK_LINUX | ||
| 525 | SDL_AssertJoysticksLocked(); | ||
| 526 | |||
| 527 | if (joystick->driver != &SDL_LINUX_JoystickDriver) { | ||
| 528 | return false; | ||
| 529 | } | ||
| 530 | /* We are assuming Linux is using evdev which should trump the old | ||
| 531 | * joystick methods. */ | ||
| 532 | if (SDL_strcmp(joystick->hwdata->fname, haptic->hwdata->fname) == 0) { | ||
| 533 | return true; | ||
| 534 | } | ||
| 535 | #endif | ||
| 536 | return false; | ||
| 537 | } | ||
| 538 | |||
| 539 | /* | ||
| 540 | * Opens a SDL_Haptic from a SDL_Joystick. | ||
| 541 | */ | ||
| 542 | bool SDL_SYS_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 543 | { | ||
| 544 | #ifdef SDL_JOYSTICK_LINUX | ||
| 545 | int fd; | ||
| 546 | SDL_hapticlist_item *item; | ||
| 547 | const char *name; | ||
| 548 | |||
| 549 | SDL_AssertJoysticksLocked(); | ||
| 550 | |||
| 551 | if (joystick->driver != &SDL_LINUX_JoystickDriver) { | ||
| 552 | return false; | ||
| 553 | } | ||
| 554 | // Find the joystick in the haptic list. | ||
| 555 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 556 | if (SDL_strcmp(item->fname, joystick->hwdata->fname) == 0) { | ||
| 557 | haptic->instance_id = item->instance_id; | ||
| 558 | break; | ||
| 559 | } | ||
| 560 | } | ||
| 561 | |||
| 562 | fd = open(joystick->hwdata->fname, O_RDWR | O_CLOEXEC, 0); | ||
| 563 | if (fd < 0) { | ||
| 564 | return SDL_SetError("Haptic: Unable to open %s: %s", | ||
| 565 | joystick->hwdata->fname, strerror(errno)); | ||
| 566 | } | ||
| 567 | if (!SDL_SYS_HapticOpenFromFD(haptic, fd)) { | ||
| 568 | // Already closes on error. | ||
| 569 | return false; | ||
| 570 | } | ||
| 571 | |||
| 572 | haptic->hwdata->fname = SDL_strdup(joystick->hwdata->fname); | ||
| 573 | |||
| 574 | name = SDL_SYS_HapticNameFromFD(fd); | ||
| 575 | if (name) { | ||
| 576 | haptic->name = SDL_strdup(name); | ||
| 577 | } | ||
| 578 | return true; | ||
| 579 | #else | ||
| 580 | return false; | ||
| 581 | #endif | ||
| 582 | } | ||
| 583 | |||
| 584 | /* | ||
| 585 | * Closes the haptic device. | ||
| 586 | */ | ||
| 587 | void SDL_SYS_HapticClose(SDL_Haptic *haptic) | ||
| 588 | { | ||
| 589 | if (haptic->hwdata) { | ||
| 590 | |||
| 591 | // Free effects. | ||
| 592 | SDL_free(haptic->effects); | ||
| 593 | haptic->effects = NULL; | ||
| 594 | haptic->neffects = 0; | ||
| 595 | |||
| 596 | // Clean up | ||
| 597 | close(haptic->hwdata->fd); | ||
| 598 | |||
| 599 | // Free | ||
| 600 | SDL_free(haptic->hwdata->fname); | ||
| 601 | SDL_free(haptic->hwdata); | ||
| 602 | haptic->hwdata = NULL; | ||
| 603 | } | ||
| 604 | |||
| 605 | // Clear the rest. | ||
| 606 | SDL_memset(haptic, 0, sizeof(SDL_Haptic)); | ||
| 607 | } | ||
| 608 | |||
| 609 | /* | ||
| 610 | * Clean up after system specific haptic stuff | ||
| 611 | */ | ||
| 612 | void SDL_SYS_HapticQuit(void) | ||
| 613 | { | ||
| 614 | SDL_hapticlist_item *item = NULL; | ||
| 615 | SDL_hapticlist_item *next = NULL; | ||
| 616 | |||
| 617 | for (item = SDL_hapticlist; item; item = next) { | ||
| 618 | next = item->next; | ||
| 619 | /* Opened and not closed haptics are leaked, this is on purpose. | ||
| 620 | * Close your haptic devices after usage. */ | ||
| 621 | SDL_free(item->fname); | ||
| 622 | SDL_free(item); | ||
| 623 | } | ||
| 624 | |||
| 625 | #ifdef SDL_USE_LIBUDEV | ||
| 626 | SDL_UDEV_DelCallback(haptic_udev_callback); | ||
| 627 | SDL_UDEV_Quit(); | ||
| 628 | #endif // SDL_USE_LIBUDEV | ||
| 629 | |||
| 630 | numhaptics = 0; | ||
| 631 | SDL_hapticlist = NULL; | ||
| 632 | SDL_hapticlist_tail = NULL; | ||
| 633 | } | ||
| 634 | |||
| 635 | /* | ||
| 636 | * Converts an SDL button to a ff_trigger button. | ||
| 637 | */ | ||
| 638 | static Uint16 SDL_SYS_ToButton(Uint16 button) | ||
| 639 | { | ||
| 640 | Uint16 ff_button; | ||
| 641 | |||
| 642 | ff_button = 0; | ||
| 643 | |||
| 644 | /* | ||
| 645 | * Not sure what the proper syntax is because this actually isn't implemented | ||
| 646 | * in the current kernel from what I've seen (2.6.26). | ||
| 647 | */ | ||
| 648 | if (button != 0) { | ||
| 649 | ff_button = BTN_GAMEPAD + button - 1; | ||
| 650 | } | ||
| 651 | |||
| 652 | return ff_button; | ||
| 653 | } | ||
| 654 | |||
| 655 | /* | ||
| 656 | * Initializes the ff_effect usable direction from a SDL_HapticDirection. | ||
| 657 | */ | ||
| 658 | static bool SDL_SYS_ToDirection(Uint16 *dest, const SDL_HapticDirection *src) | ||
| 659 | { | ||
| 660 | Uint32 tmp; | ||
| 661 | |||
| 662 | switch (src->type) { | ||
| 663 | case SDL_HAPTIC_POLAR: | ||
| 664 | tmp = ((src->dir[0] % 36000) * 0x8000) / 18000; // convert to range [0,0xFFFF] | ||
| 665 | *dest = (Uint16)tmp; | ||
| 666 | break; | ||
| 667 | |||
| 668 | case SDL_HAPTIC_SPHERICAL: | ||
| 669 | /* | ||
| 670 | We convert to polar, because that's the only supported direction on Linux. | ||
| 671 | The first value of a spherical direction is practically the same as a | ||
| 672 | Polar direction, except that we have to add 90 degrees. It is the angle | ||
| 673 | from EAST {1,0} towards SOUTH {0,1}. | ||
| 674 | --> add 9000 | ||
| 675 | --> finally convert to [0,0xFFFF] as in case SDL_HAPTIC_POLAR. | ||
| 676 | */ | ||
| 677 | tmp = ((src->dir[0]) + 9000) % 36000; // Convert to polars | ||
| 678 | tmp = (tmp * 0x8000) / 18000; // convert to range [0,0xFFFF] | ||
| 679 | *dest = (Uint16)tmp; | ||
| 680 | break; | ||
| 681 | |||
| 682 | case SDL_HAPTIC_CARTESIAN: | ||
| 683 | if (!src->dir[1]) { | ||
| 684 | *dest = (src->dir[0] >= 0 ? 0x4000 : 0xC000); | ||
| 685 | } else if (!src->dir[0]) { | ||
| 686 | *dest = (src->dir[1] >= 0 ? 0x8000 : 0); | ||
| 687 | } else { | ||
| 688 | float f = SDL_atan2f(src->dir[1], src->dir[0]); // Ideally we'd use fixed point math instead of floats... | ||
| 689 | /* | ||
| 690 | SDL_atan2 takes the parameters: Y-axis-value and X-axis-value (in that order) | ||
| 691 | - Y-axis-value is the second coordinate (from center to SOUTH) | ||
| 692 | - X-axis-value is the first coordinate (from center to EAST) | ||
| 693 | We add 36000, because SDL_atan2 also returns negative values. Then we practically | ||
| 694 | have the first spherical value. Therefore we proceed as in case | ||
| 695 | SDL_HAPTIC_SPHERICAL and add another 9000 to get the polar value. | ||
| 696 | --> add 45000 in total | ||
| 697 | --> finally convert to [0,0xFFFF] as in case SDL_HAPTIC_POLAR. | ||
| 698 | */ | ||
| 699 | tmp = (((Sint32)(f * 18000.0 / SDL_PI_D)) + 45000) % 36000; | ||
| 700 | tmp = (tmp * 0x8000) / 18000; // convert to range [0,0xFFFF] | ||
| 701 | *dest = (Uint16)tmp; | ||
| 702 | } | ||
| 703 | break; | ||
| 704 | case SDL_HAPTIC_STEERING_AXIS: | ||
| 705 | *dest = 0x4000; | ||
| 706 | break; | ||
| 707 | default: | ||
| 708 | return SDL_SetError("Haptic: Unsupported direction type."); | ||
| 709 | } | ||
| 710 | |||
| 711 | return true; | ||
| 712 | } | ||
| 713 | |||
| 714 | #define CLAMP(x) (((x) > 32767) ? 32767 : x) | ||
| 715 | /* | ||
| 716 | * Initializes the Linux effect struct from a haptic_effect. | ||
| 717 | * Values above 32767 (for unsigned) are unspecified so we must clamp. | ||
| 718 | */ | ||
| 719 | static bool SDL_SYS_ToFFEffect(struct ff_effect *dest, const SDL_HapticEffect *src) | ||
| 720 | { | ||
| 721 | const SDL_HapticConstant *constant; | ||
| 722 | const SDL_HapticPeriodic *periodic; | ||
| 723 | const SDL_HapticCondition *condition; | ||
| 724 | const SDL_HapticRamp *ramp; | ||
| 725 | const SDL_HapticLeftRight *leftright; | ||
| 726 | |||
| 727 | // Clear up | ||
| 728 | SDL_memset(dest, 0, sizeof(struct ff_effect)); | ||
| 729 | |||
| 730 | switch (src->type) { | ||
| 731 | case SDL_HAPTIC_CONSTANT: | ||
| 732 | constant = &src->constant; | ||
| 733 | |||
| 734 | // Header | ||
| 735 | dest->type = FF_CONSTANT; | ||
| 736 | if (!SDL_SYS_ToDirection(&dest->direction, &constant->direction)) { | ||
| 737 | return false; | ||
| 738 | } | ||
| 739 | |||
| 740 | // Replay | ||
| 741 | dest->replay.length = (constant->length == SDL_HAPTIC_INFINITY) ? 0 : CLAMP(constant->length); | ||
| 742 | dest->replay.delay = CLAMP(constant->delay); | ||
| 743 | |||
| 744 | // Trigger | ||
| 745 | dest->trigger.button = SDL_SYS_ToButton(constant->button); | ||
| 746 | dest->trigger.interval = CLAMP(constant->interval); | ||
| 747 | |||
| 748 | // Constant | ||
| 749 | dest->u.constant.level = constant->level; | ||
| 750 | |||
| 751 | // Envelope | ||
| 752 | dest->u.constant.envelope.attack_length = | ||
| 753 | CLAMP(constant->attack_length); | ||
| 754 | dest->u.constant.envelope.attack_level = | ||
| 755 | CLAMP(constant->attack_level); | ||
| 756 | dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length); | ||
| 757 | dest->u.constant.envelope.fade_level = CLAMP(constant->fade_level); | ||
| 758 | |||
| 759 | break; | ||
| 760 | |||
| 761 | case SDL_HAPTIC_SINE: | ||
| 762 | case SDL_HAPTIC_SQUARE: | ||
| 763 | case SDL_HAPTIC_TRIANGLE: | ||
| 764 | case SDL_HAPTIC_SAWTOOTHUP: | ||
| 765 | case SDL_HAPTIC_SAWTOOTHDOWN: | ||
| 766 | periodic = &src->periodic; | ||
| 767 | |||
| 768 | // Header | ||
| 769 | dest->type = FF_PERIODIC; | ||
| 770 | if (!SDL_SYS_ToDirection(&dest->direction, &periodic->direction)) { | ||
| 771 | return false; | ||
| 772 | } | ||
| 773 | |||
| 774 | // Replay | ||
| 775 | dest->replay.length = (periodic->length == SDL_HAPTIC_INFINITY) ? 0 : CLAMP(periodic->length); | ||
| 776 | dest->replay.delay = CLAMP(periodic->delay); | ||
| 777 | |||
| 778 | // Trigger | ||
| 779 | dest->trigger.button = SDL_SYS_ToButton(periodic->button); | ||
| 780 | dest->trigger.interval = CLAMP(periodic->interval); | ||
| 781 | |||
| 782 | // Periodic | ||
| 783 | if (periodic->type == SDL_HAPTIC_SINE) { | ||
| 784 | dest->u.periodic.waveform = FF_SINE; | ||
| 785 | } else if (periodic->type == SDL_HAPTIC_SQUARE) { | ||
| 786 | dest->u.periodic.waveform = FF_SQUARE; | ||
| 787 | } else if (periodic->type == SDL_HAPTIC_TRIANGLE) { | ||
| 788 | dest->u.periodic.waveform = FF_TRIANGLE; | ||
| 789 | } else if (periodic->type == SDL_HAPTIC_SAWTOOTHUP) { | ||
| 790 | dest->u.periodic.waveform = FF_SAW_UP; | ||
| 791 | } else if (periodic->type == SDL_HAPTIC_SAWTOOTHDOWN) { | ||
| 792 | dest->u.periodic.waveform = FF_SAW_DOWN; | ||
| 793 | } | ||
| 794 | dest->u.periodic.period = CLAMP(periodic->period); | ||
| 795 | dest->u.periodic.magnitude = periodic->magnitude; | ||
| 796 | dest->u.periodic.offset = periodic->offset; | ||
| 797 | // Linux phase is defined in interval "[0x0000, 0x10000[", corresponds with "[0deg, 360deg[" phase shift. | ||
| 798 | dest->u.periodic.phase = ((Uint32)periodic->phase * 0x10000U) / 36000; | ||
| 799 | |||
| 800 | // Envelope | ||
| 801 | dest->u.periodic.envelope.attack_length = | ||
| 802 | CLAMP(periodic->attack_length); | ||
| 803 | dest->u.periodic.envelope.attack_level = | ||
| 804 | CLAMP(periodic->attack_level); | ||
| 805 | dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length); | ||
| 806 | dest->u.periodic.envelope.fade_level = CLAMP(periodic->fade_level); | ||
| 807 | |||
| 808 | break; | ||
| 809 | |||
| 810 | case SDL_HAPTIC_SPRING: | ||
| 811 | case SDL_HAPTIC_DAMPER: | ||
| 812 | case SDL_HAPTIC_INERTIA: | ||
| 813 | case SDL_HAPTIC_FRICTION: | ||
| 814 | condition = &src->condition; | ||
| 815 | |||
| 816 | // Header | ||
| 817 | if (condition->type == SDL_HAPTIC_SPRING) { | ||
| 818 | dest->type = FF_SPRING; | ||
| 819 | } else if (condition->type == SDL_HAPTIC_DAMPER) { | ||
| 820 | dest->type = FF_DAMPER; | ||
| 821 | } else if (condition->type == SDL_HAPTIC_INERTIA) { | ||
| 822 | dest->type = FF_INERTIA; | ||
| 823 | } else if (condition->type == SDL_HAPTIC_FRICTION) { | ||
| 824 | dest->type = FF_FRICTION; | ||
| 825 | } | ||
| 826 | |||
| 827 | if (!SDL_SYS_ToDirection(&dest->direction, &condition->direction)) { | ||
| 828 | return false; | ||
| 829 | } | ||
| 830 | |||
| 831 | // Replay | ||
| 832 | dest->replay.length = (condition->length == SDL_HAPTIC_INFINITY) ? 0 : CLAMP(condition->length); | ||
| 833 | dest->replay.delay = CLAMP(condition->delay); | ||
| 834 | |||
| 835 | // Trigger | ||
| 836 | dest->trigger.button = SDL_SYS_ToButton(condition->button); | ||
| 837 | dest->trigger.interval = CLAMP(condition->interval); | ||
| 838 | |||
| 839 | // Condition | ||
| 840 | // X axis | ||
| 841 | dest->u.condition[0].right_saturation = condition->right_sat[0]; | ||
| 842 | dest->u.condition[0].left_saturation = condition->left_sat[0]; | ||
| 843 | dest->u.condition[0].right_coeff = condition->right_coeff[0]; | ||
| 844 | dest->u.condition[0].left_coeff = condition->left_coeff[0]; | ||
| 845 | dest->u.condition[0].deadband = condition->deadband[0]; | ||
| 846 | dest->u.condition[0].center = condition->center[0]; | ||
| 847 | // Y axis | ||
| 848 | dest->u.condition[1].right_saturation = condition->right_sat[1]; | ||
| 849 | dest->u.condition[1].left_saturation = condition->left_sat[1]; | ||
| 850 | dest->u.condition[1].right_coeff = condition->right_coeff[1]; | ||
| 851 | dest->u.condition[1].left_coeff = condition->left_coeff[1]; | ||
| 852 | dest->u.condition[1].deadband = condition->deadband[1]; | ||
| 853 | dest->u.condition[1].center = condition->center[1]; | ||
| 854 | |||
| 855 | /* | ||
| 856 | * There is no envelope in the linux force feedback api for conditions. | ||
| 857 | */ | ||
| 858 | |||
| 859 | break; | ||
| 860 | |||
| 861 | case SDL_HAPTIC_RAMP: | ||
| 862 | ramp = &src->ramp; | ||
| 863 | |||
| 864 | // Header | ||
| 865 | dest->type = FF_RAMP; | ||
| 866 | if (!SDL_SYS_ToDirection(&dest->direction, &ramp->direction)) { | ||
| 867 | return false; | ||
| 868 | } | ||
| 869 | |||
| 870 | // Replay | ||
| 871 | dest->replay.length = (ramp->length == SDL_HAPTIC_INFINITY) ? 0 : CLAMP(ramp->length); | ||
| 872 | dest->replay.delay = CLAMP(ramp->delay); | ||
| 873 | |||
| 874 | // Trigger | ||
| 875 | dest->trigger.button = SDL_SYS_ToButton(ramp->button); | ||
| 876 | dest->trigger.interval = CLAMP(ramp->interval); | ||
| 877 | |||
| 878 | // Ramp | ||
| 879 | dest->u.ramp.start_level = ramp->start; | ||
| 880 | dest->u.ramp.end_level = ramp->end; | ||
| 881 | |||
| 882 | // Envelope | ||
| 883 | dest->u.ramp.envelope.attack_length = CLAMP(ramp->attack_length); | ||
| 884 | dest->u.ramp.envelope.attack_level = CLAMP(ramp->attack_level); | ||
| 885 | dest->u.ramp.envelope.fade_length = CLAMP(ramp->fade_length); | ||
| 886 | dest->u.ramp.envelope.fade_level = CLAMP(ramp->fade_level); | ||
| 887 | |||
| 888 | break; | ||
| 889 | |||
| 890 | case SDL_HAPTIC_LEFTRIGHT: | ||
| 891 | leftright = &src->leftright; | ||
| 892 | |||
| 893 | // Header | ||
| 894 | dest->type = FF_RUMBLE; | ||
| 895 | dest->direction = 0x4000; | ||
| 896 | |||
| 897 | // Replay | ||
| 898 | dest->replay.length = (leftright->length == SDL_HAPTIC_INFINITY) ? 0 : CLAMP(leftright->length); | ||
| 899 | |||
| 900 | // Trigger | ||
| 901 | dest->trigger.button = 0; | ||
| 902 | dest->trigger.interval = 0; | ||
| 903 | |||
| 904 | // Rumble (Linux expects 0-65535, so multiply by 2) | ||
| 905 | dest->u.rumble.strong_magnitude = CLAMP(leftright->large_magnitude) * 2; | ||
| 906 | dest->u.rumble.weak_magnitude = CLAMP(leftright->small_magnitude) * 2; | ||
| 907 | |||
| 908 | break; | ||
| 909 | |||
| 910 | default: | ||
| 911 | return SDL_SetError("Haptic: Unknown effect type."); | ||
| 912 | } | ||
| 913 | |||
| 914 | return true; | ||
| 915 | } | ||
| 916 | |||
| 917 | /* | ||
| 918 | * Creates a new haptic effect. | ||
| 919 | */ | ||
| 920 | bool SDL_SYS_HapticNewEffect(SDL_Haptic *haptic, struct haptic_effect *effect, | ||
| 921 | const SDL_HapticEffect *base) | ||
| 922 | { | ||
| 923 | struct ff_effect *linux_effect; | ||
| 924 | |||
| 925 | // Allocate the hardware effect | ||
| 926 | effect->hweffect = (struct haptic_hweffect *) | ||
| 927 | SDL_calloc(1, sizeof(struct haptic_hweffect)); | ||
| 928 | if (!effect->hweffect) { | ||
| 929 | return false; | ||
| 930 | } | ||
| 931 | |||
| 932 | // Prepare the ff_effect | ||
| 933 | linux_effect = &effect->hweffect->effect; | ||
| 934 | if (!SDL_SYS_ToFFEffect(linux_effect, base)) { | ||
| 935 | goto new_effect_err; | ||
| 936 | } | ||
| 937 | linux_effect->id = -1; // Have the kernel give it an id | ||
| 938 | |||
| 939 | // Upload the effect | ||
| 940 | if (ioctl(haptic->hwdata->fd, EVIOCSFF, linux_effect) < 0) { | ||
| 941 | SDL_SetError("Haptic: Error uploading effect to the device: %s", | ||
| 942 | strerror(errno)); | ||
| 943 | goto new_effect_err; | ||
| 944 | } | ||
| 945 | |||
| 946 | return true; | ||
| 947 | |||
| 948 | new_effect_err: | ||
| 949 | SDL_free(effect->hweffect); | ||
| 950 | effect->hweffect = NULL; | ||
| 951 | return false; | ||
| 952 | } | ||
| 953 | |||
| 954 | /* | ||
| 955 | * Updates an effect. | ||
| 956 | * | ||
| 957 | * Note: Dynamically updating the direction can in some cases force | ||
| 958 | * the effect to restart and run once. | ||
| 959 | */ | ||
| 960 | bool SDL_SYS_HapticUpdateEffect(SDL_Haptic *haptic, | ||
| 961 | struct haptic_effect *effect, | ||
| 962 | const SDL_HapticEffect *data) | ||
| 963 | { | ||
| 964 | struct ff_effect linux_effect; | ||
| 965 | |||
| 966 | // Create the new effect | ||
| 967 | if (!SDL_SYS_ToFFEffect(&linux_effect, data)) { | ||
| 968 | return false; | ||
| 969 | } | ||
| 970 | linux_effect.id = effect->hweffect->effect.id; | ||
| 971 | |||
| 972 | // See if it can be uploaded. | ||
| 973 | if (ioctl(haptic->hwdata->fd, EVIOCSFF, &linux_effect) < 0) { | ||
| 974 | return SDL_SetError("Haptic: Error updating the effect: %s", | ||
| 975 | strerror(errno)); | ||
| 976 | } | ||
| 977 | |||
| 978 | // Copy the new effect into memory. | ||
| 979 | SDL_memcpy(&effect->hweffect->effect, &linux_effect, | ||
| 980 | sizeof(struct ff_effect)); | ||
| 981 | |||
| 982 | return true; | ||
| 983 | } | ||
| 984 | |||
| 985 | /* | ||
| 986 | * Runs an effect. | ||
| 987 | */ | ||
| 988 | bool SDL_SYS_HapticRunEffect(SDL_Haptic *haptic, struct haptic_effect *effect, | ||
| 989 | Uint32 iterations) | ||
| 990 | { | ||
| 991 | struct input_event run; | ||
| 992 | |||
| 993 | // Prepare to run the effect | ||
| 994 | run.type = EV_FF; | ||
| 995 | run.code = effect->hweffect->effect.id; | ||
| 996 | // We don't actually have infinity here, so we just do INT_MAX which is pretty damn close. | ||
| 997 | run.value = (iterations > INT_MAX) ? INT_MAX : iterations; | ||
| 998 | |||
| 999 | if (write(haptic->hwdata->fd, (const void *)&run, sizeof(run)) < 0) { | ||
| 1000 | return SDL_SetError("Haptic: Unable to run the effect: %s", strerror(errno)); | ||
| 1001 | } | ||
| 1002 | |||
| 1003 | return true; | ||
| 1004 | } | ||
| 1005 | |||
| 1006 | /* | ||
| 1007 | * Stops an effect. | ||
| 1008 | */ | ||
| 1009 | bool SDL_SYS_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1010 | { | ||
| 1011 | struct input_event stop; | ||
| 1012 | |||
| 1013 | stop.type = EV_FF; | ||
| 1014 | stop.code = effect->hweffect->effect.id; | ||
| 1015 | stop.value = 0; | ||
| 1016 | |||
| 1017 | if (write(haptic->hwdata->fd, (const void *)&stop, sizeof(stop)) < 0) { | ||
| 1018 | return SDL_SetError("Haptic: Unable to stop the effect: %s", | ||
| 1019 | strerror(errno)); | ||
| 1020 | } | ||
| 1021 | |||
| 1022 | return true; | ||
| 1023 | } | ||
| 1024 | |||
| 1025 | /* | ||
| 1026 | * Frees the effect. | ||
| 1027 | */ | ||
| 1028 | void SDL_SYS_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1029 | { | ||
| 1030 | if (ioctl(haptic->hwdata->fd, EVIOCRMFF, effect->hweffect->effect.id) < 0) { | ||
| 1031 | SDL_SetError("Haptic: Error removing the effect from the device: %s", | ||
| 1032 | strerror(errno)); | ||
| 1033 | } | ||
| 1034 | SDL_free(effect->hweffect); | ||
| 1035 | effect->hweffect = NULL; | ||
| 1036 | } | ||
| 1037 | |||
| 1038 | /* | ||
| 1039 | * Gets the status of a haptic effect. | ||
| 1040 | */ | ||
| 1041 | int SDL_SYS_HapticGetEffectStatus(SDL_Haptic *haptic, | ||
| 1042 | struct haptic_effect *effect) | ||
| 1043 | { | ||
| 1044 | #if 0 // Not supported atm. | ||
| 1045 | struct input_event ie; | ||
| 1046 | |||
| 1047 | ie.type = EV_FF; | ||
| 1048 | ie.type = EV_FF_STATUS; | ||
| 1049 | ie.code = effect->hweffect->effect.id; | ||
| 1050 | |||
| 1051 | if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) { | ||
| 1052 | SDL_SetError("Haptic: Error getting device status."); | ||
| 1053 | return -1; | ||
| 1054 | } | ||
| 1055 | |||
| 1056 | return 1; | ||
| 1057 | #endif | ||
| 1058 | |||
| 1059 | SDL_Unsupported(); | ||
| 1060 | return -1; | ||
| 1061 | } | ||
| 1062 | |||
| 1063 | /* | ||
| 1064 | * Sets the gain. | ||
| 1065 | */ | ||
| 1066 | bool SDL_SYS_HapticSetGain(SDL_Haptic *haptic, int gain) | ||
| 1067 | { | ||
| 1068 | struct input_event ie; | ||
| 1069 | |||
| 1070 | ie.type = EV_FF; | ||
| 1071 | ie.code = FF_GAIN; | ||
| 1072 | ie.value = (0xFFFFUL * gain) / 100; | ||
| 1073 | |||
| 1074 | if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) { | ||
| 1075 | return SDL_SetError("Haptic: Error setting gain: %s", strerror(errno)); | ||
| 1076 | } | ||
| 1077 | |||
| 1078 | return true; | ||
| 1079 | } | ||
| 1080 | |||
| 1081 | /* | ||
| 1082 | * Sets the autocentering. | ||
| 1083 | */ | ||
| 1084 | bool SDL_SYS_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter) | ||
| 1085 | { | ||
| 1086 | struct input_event ie; | ||
| 1087 | |||
| 1088 | ie.type = EV_FF; | ||
| 1089 | ie.code = FF_AUTOCENTER; | ||
| 1090 | ie.value = (0xFFFFUL * autocenter) / 100; | ||
| 1091 | |||
| 1092 | if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) { | ||
| 1093 | return SDL_SetError("Haptic: Error setting autocenter: %s", strerror(errno)); | ||
| 1094 | } | ||
| 1095 | |||
| 1096 | return true; | ||
| 1097 | } | ||
| 1098 | |||
| 1099 | /* | ||
| 1100 | * Pausing is not supported atm by linux. | ||
| 1101 | */ | ||
| 1102 | bool SDL_SYS_HapticPause(SDL_Haptic *haptic) | ||
| 1103 | { | ||
| 1104 | return SDL_Unsupported(); | ||
| 1105 | } | ||
| 1106 | |||
| 1107 | /* | ||
| 1108 | * Unpausing is not supported atm by linux. | ||
| 1109 | */ | ||
| 1110 | bool SDL_SYS_HapticResume(SDL_Haptic *haptic) | ||
| 1111 | { | ||
| 1112 | return SDL_Unsupported(); | ||
| 1113 | } | ||
| 1114 | |||
| 1115 | /* | ||
| 1116 | * Stops all the currently playing effects. | ||
| 1117 | */ | ||
| 1118 | bool SDL_SYS_HapticStopAll(SDL_Haptic *haptic) | ||
| 1119 | { | ||
| 1120 | int i, ret; | ||
| 1121 | |||
| 1122 | // Linux does not support this natively so we have to loop. | ||
| 1123 | for (i = 0; i < haptic->neffects; i++) { | ||
| 1124 | if (haptic->effects[i].hweffect != NULL) { | ||
| 1125 | ret = SDL_SYS_HapticStopEffect(haptic, &haptic->effects[i]); | ||
| 1126 | if (ret < 0) { | ||
| 1127 | return SDL_SetError("Haptic: Error while trying to stop all playing effects."); | ||
| 1128 | } | ||
| 1129 | } | ||
| 1130 | } | ||
| 1131 | return true; | ||
| 1132 | } | ||
| 1133 | |||
| 1134 | #endif // SDL_HAPTIC_LINUX | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/windows/SDL_dinputhaptic.c b/contrib/SDL-3.2.8/src/haptic/windows/SDL_dinputhaptic.c new file mode 100644 index 0000000..255aac0 --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/windows/SDL_dinputhaptic.c | |||
| @@ -0,0 +1,1244 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #include "../SDL_syshaptic.h" | ||
| 24 | |||
| 25 | #ifdef SDL_HAPTIC_DINPUT | ||
| 26 | |||
| 27 | #include "SDL_windowshaptic_c.h" | ||
| 28 | #include "SDL_dinputhaptic_c.h" | ||
| 29 | #include "../../joystick/windows/SDL_windowsjoystick_c.h" | ||
| 30 | |||
| 31 | /* | ||
| 32 | * External stuff. | ||
| 33 | */ | ||
| 34 | #ifdef SDL_VIDEO_DRIVER_WINDOWS | ||
| 35 | extern HWND SDL_HelperWindow; | ||
| 36 | #else | ||
| 37 | static const HWND SDL_HelperWindow = NULL; | ||
| 38 | #endif | ||
| 39 | |||
| 40 | /* | ||
| 41 | * Internal stuff. | ||
| 42 | */ | ||
| 43 | static bool coinitialized = false; | ||
| 44 | static LPDIRECTINPUT8 dinput = NULL; | ||
| 45 | |||
| 46 | /* | ||
| 47 | * Like SDL_SetError but for DX error codes. | ||
| 48 | */ | ||
| 49 | static bool DI_SetError(const char *str, HRESULT err) | ||
| 50 | { | ||
| 51 | return SDL_SetError("Haptic error %s", str); | ||
| 52 | } | ||
| 53 | |||
| 54 | /* | ||
| 55 | * Callback to find the haptic devices. | ||
| 56 | */ | ||
| 57 | static BOOL CALLBACK EnumHapticsCallback(const DIDEVICEINSTANCE *pdidInstance, VOID *pContext) | ||
| 58 | { | ||
| 59 | (void)pContext; | ||
| 60 | SDL_DINPUT_HapticMaybeAddDevice(pdidInstance); | ||
| 61 | return DIENUM_CONTINUE; // continue enumerating | ||
| 62 | } | ||
| 63 | |||
| 64 | bool SDL_DINPUT_HapticInit(void) | ||
| 65 | { | ||
| 66 | HRESULT ret; | ||
| 67 | HINSTANCE instance; | ||
| 68 | DWORD devClass; | ||
| 69 | |||
| 70 | if (dinput != NULL) { // Already open. | ||
| 71 | return SDL_SetError("Haptic: SubSystem already open."); | ||
| 72 | } | ||
| 73 | |||
| 74 | if (!SDL_GetHintBoolean(SDL_HINT_JOYSTICK_DIRECTINPUT, true)) { | ||
| 75 | // In some environments, IDirectInput8_Initialize / _EnumDevices can take a minute even with no controllers. | ||
| 76 | return true; | ||
| 77 | } | ||
| 78 | |||
| 79 | ret = WIN_CoInitialize(); | ||
| 80 | if (FAILED(ret)) { | ||
| 81 | return DI_SetError("Coinitialize", ret); | ||
| 82 | } | ||
| 83 | |||
| 84 | coinitialized = true; | ||
| 85 | |||
| 86 | ret = CoCreateInstance(&CLSID_DirectInput8, NULL, CLSCTX_INPROC_SERVER, | ||
| 87 | &IID_IDirectInput8, (LPVOID *)&dinput); | ||
| 88 | if (FAILED(ret)) { | ||
| 89 | SDL_SYS_HapticQuit(); | ||
| 90 | return DI_SetError("CoCreateInstance", ret); | ||
| 91 | } | ||
| 92 | |||
| 93 | // Because we used CoCreateInstance, we need to Initialize it, first. | ||
| 94 | instance = GetModuleHandle(NULL); | ||
| 95 | if (!instance) { | ||
| 96 | SDL_SYS_HapticQuit(); | ||
| 97 | return SDL_SetError("GetModuleHandle() failed with error code %lu.", | ||
| 98 | GetLastError()); | ||
| 99 | } | ||
| 100 | ret = IDirectInput8_Initialize(dinput, instance, DIRECTINPUT_VERSION); | ||
| 101 | if (FAILED(ret)) { | ||
| 102 | SDL_SYS_HapticQuit(); | ||
| 103 | return DI_SetError("Initializing DirectInput device", ret); | ||
| 104 | } | ||
| 105 | |||
| 106 | // Look for haptic devices. | ||
| 107 | for (devClass = DI8DEVCLASS_DEVICE; devClass <= DI8DEVCLASS_GAMECTRL; devClass++) { | ||
| 108 | if (devClass == DI8DEVCLASS_GAMECTRL && SDL_WasInit(SDL_INIT_JOYSTICK)) { | ||
| 109 | // The joystick subsystem will manage adding DInput joystick haptic devices | ||
| 110 | continue; | ||
| 111 | } | ||
| 112 | |||
| 113 | ret = IDirectInput8_EnumDevices(dinput, | ||
| 114 | devClass, | ||
| 115 | EnumHapticsCallback, | ||
| 116 | NULL, | ||
| 117 | DIEDFL_FORCEFEEDBACK | | ||
| 118 | DIEDFL_ATTACHEDONLY); | ||
| 119 | if (FAILED(ret)) { | ||
| 120 | SDL_SYS_HapticQuit(); | ||
| 121 | return DI_SetError("Enumerating DirectInput devices", ret); | ||
| 122 | } | ||
| 123 | } | ||
| 124 | |||
| 125 | return true; | ||
| 126 | } | ||
| 127 | |||
| 128 | bool SDL_DINPUT_HapticMaybeAddDevice(const DIDEVICEINSTANCE *pdidInstance) | ||
| 129 | { | ||
| 130 | HRESULT ret; | ||
| 131 | LPDIRECTINPUTDEVICE8 device; | ||
| 132 | const DWORD needflags = DIDC_ATTACHED | DIDC_FORCEFEEDBACK; | ||
| 133 | DIDEVCAPS capabilities; | ||
| 134 | SDL_hapticlist_item *item = NULL; | ||
| 135 | |||
| 136 | if (!dinput) { | ||
| 137 | return false; // not initialized. We'll pick these up on enumeration if we init later. | ||
| 138 | } | ||
| 139 | |||
| 140 | // Make sure we don't already have it | ||
| 141 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 142 | if (SDL_memcmp(&item->instance, pdidInstance, sizeof(*pdidInstance)) == 0) { | ||
| 143 | return false; // Already added | ||
| 144 | } | ||
| 145 | } | ||
| 146 | |||
| 147 | // Open the device | ||
| 148 | ret = IDirectInput8_CreateDevice(dinput, &pdidInstance->guidInstance, &device, NULL); | ||
| 149 | if (FAILED(ret)) { | ||
| 150 | // DI_SetError("Creating DirectInput device",ret); | ||
| 151 | return false; | ||
| 152 | } | ||
| 153 | |||
| 154 | // Get capabilities. | ||
| 155 | SDL_zero(capabilities); | ||
| 156 | capabilities.dwSize = sizeof(DIDEVCAPS); | ||
| 157 | ret = IDirectInputDevice8_GetCapabilities(device, &capabilities); | ||
| 158 | IDirectInputDevice8_Release(device); | ||
| 159 | if (FAILED(ret)) { | ||
| 160 | // DI_SetError("Getting device capabilities",ret); | ||
| 161 | return false; | ||
| 162 | } | ||
| 163 | |||
| 164 | if ((capabilities.dwFlags & needflags) != needflags) { | ||
| 165 | return false; // not a device we can use. | ||
| 166 | } | ||
| 167 | |||
| 168 | item = (SDL_hapticlist_item *)SDL_calloc(1, sizeof(SDL_hapticlist_item)); | ||
| 169 | if (!item) { | ||
| 170 | return false; | ||
| 171 | } | ||
| 172 | |||
| 173 | item->instance_id = SDL_GetNextObjectID(); | ||
| 174 | item->name = WIN_StringToUTF8(pdidInstance->tszProductName); | ||
| 175 | if (!item->name) { | ||
| 176 | SDL_free(item); | ||
| 177 | return false; | ||
| 178 | } | ||
| 179 | |||
| 180 | // Copy the instance over, useful for creating devices. | ||
| 181 | SDL_memcpy(&item->instance, pdidInstance, sizeof(DIDEVICEINSTANCE)); | ||
| 182 | SDL_memcpy(&item->capabilities, &capabilities, sizeof(capabilities)); | ||
| 183 | |||
| 184 | return SDL_SYS_AddHapticDevice(item); | ||
| 185 | } | ||
| 186 | |||
| 187 | bool SDL_DINPUT_HapticMaybeRemoveDevice(const DIDEVICEINSTANCE *pdidInstance) | ||
| 188 | { | ||
| 189 | SDL_hapticlist_item *item; | ||
| 190 | SDL_hapticlist_item *prev = NULL; | ||
| 191 | |||
| 192 | if (!dinput) { | ||
| 193 | return false; // not initialized, ignore this. | ||
| 194 | } | ||
| 195 | |||
| 196 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 197 | if (SDL_memcmp(&item->instance, pdidInstance, sizeof(*pdidInstance)) == 0) { | ||
| 198 | // found it, remove it. | ||
| 199 | return SDL_SYS_RemoveHapticDevice(prev, item); | ||
| 200 | } | ||
| 201 | prev = item; | ||
| 202 | } | ||
| 203 | return false; | ||
| 204 | } | ||
| 205 | |||
| 206 | /* | ||
| 207 | * Callback to get supported axes. | ||
| 208 | */ | ||
| 209 | static BOOL CALLBACK DI_DeviceObjectCallback(LPCDIDEVICEOBJECTINSTANCE dev, LPVOID pvRef) | ||
| 210 | { | ||
| 211 | SDL_Haptic *haptic = (SDL_Haptic *)pvRef; | ||
| 212 | |||
| 213 | if ((dev->dwType & DIDFT_AXIS) && (dev->dwFlags & DIDOI_FFACTUATOR)) { | ||
| 214 | const GUID *guid = &dev->guidType; | ||
| 215 | DWORD offset = 0; | ||
| 216 | if (WIN_IsEqualGUID(guid, &GUID_XAxis)) { | ||
| 217 | offset = DIJOFS_X; | ||
| 218 | } else if (WIN_IsEqualGUID(guid, &GUID_YAxis)) { | ||
| 219 | offset = DIJOFS_Y; | ||
| 220 | } else if (WIN_IsEqualGUID(guid, &GUID_ZAxis)) { | ||
| 221 | offset = DIJOFS_Z; | ||
| 222 | } else if (WIN_IsEqualGUID(guid, &GUID_RxAxis)) { | ||
| 223 | offset = DIJOFS_RX; | ||
| 224 | } else if (WIN_IsEqualGUID(guid, &GUID_RyAxis)) { | ||
| 225 | offset = DIJOFS_RY; | ||
| 226 | } else if (WIN_IsEqualGUID(guid, &GUID_RzAxis)) { | ||
| 227 | offset = DIJOFS_RZ; | ||
| 228 | } else { | ||
| 229 | return DIENUM_CONTINUE; // can't use this, go on. | ||
| 230 | } | ||
| 231 | |||
| 232 | haptic->hwdata->axes[haptic->naxes] = offset; | ||
| 233 | haptic->naxes++; | ||
| 234 | |||
| 235 | // Currently using the artificial limit of 3 axes. | ||
| 236 | if (haptic->naxes >= 3) { | ||
| 237 | return DIENUM_STOP; | ||
| 238 | } | ||
| 239 | } | ||
| 240 | |||
| 241 | return DIENUM_CONTINUE; | ||
| 242 | } | ||
| 243 | |||
| 244 | /* | ||
| 245 | * Callback to get all supported effects. | ||
| 246 | */ | ||
| 247 | #define EFFECT_TEST(e, s) \ | ||
| 248 | if (WIN_IsEqualGUID(&pei->guid, &(e))) \ | ||
| 249 | haptic->supported |= (s) | ||
| 250 | static BOOL CALLBACK DI_EffectCallback(LPCDIEFFECTINFO pei, LPVOID pv) | ||
| 251 | { | ||
| 252 | // Prepare the haptic device. | ||
| 253 | SDL_Haptic *haptic = (SDL_Haptic *)pv; | ||
| 254 | |||
| 255 | // Get supported. | ||
| 256 | EFFECT_TEST(GUID_Spring, SDL_HAPTIC_SPRING); | ||
| 257 | EFFECT_TEST(GUID_Damper, SDL_HAPTIC_DAMPER); | ||
| 258 | EFFECT_TEST(GUID_Inertia, SDL_HAPTIC_INERTIA); | ||
| 259 | EFFECT_TEST(GUID_Friction, SDL_HAPTIC_FRICTION); | ||
| 260 | EFFECT_TEST(GUID_ConstantForce, SDL_HAPTIC_CONSTANT); | ||
| 261 | EFFECT_TEST(GUID_CustomForce, SDL_HAPTIC_CUSTOM); | ||
| 262 | EFFECT_TEST(GUID_Sine, SDL_HAPTIC_SINE); | ||
| 263 | EFFECT_TEST(GUID_Square, SDL_HAPTIC_SQUARE); | ||
| 264 | EFFECT_TEST(GUID_Triangle, SDL_HAPTIC_TRIANGLE); | ||
| 265 | EFFECT_TEST(GUID_SawtoothUp, SDL_HAPTIC_SAWTOOTHUP); | ||
| 266 | EFFECT_TEST(GUID_SawtoothDown, SDL_HAPTIC_SAWTOOTHDOWN); | ||
| 267 | EFFECT_TEST(GUID_RampForce, SDL_HAPTIC_RAMP); | ||
| 268 | |||
| 269 | // Check for more. | ||
| 270 | return DIENUM_CONTINUE; | ||
| 271 | } | ||
| 272 | |||
| 273 | /* | ||
| 274 | * Opens the haptic device. | ||
| 275 | * | ||
| 276 | * Steps: | ||
| 277 | * - Set cooperative level. | ||
| 278 | * - Set data format. | ||
| 279 | * - Acquire exclusiveness. | ||
| 280 | * - Reset actuators. | ||
| 281 | * - Get supported features. | ||
| 282 | */ | ||
| 283 | static bool SDL_DINPUT_HapticOpenFromDevice(SDL_Haptic *haptic, LPDIRECTINPUTDEVICE8 device8, bool is_joystick) | ||
| 284 | { | ||
| 285 | HRESULT ret; | ||
| 286 | DIPROPDWORD dipdw; | ||
| 287 | |||
| 288 | // Allocate the hwdata | ||
| 289 | haptic->hwdata = (struct haptic_hwdata *)SDL_calloc(1, sizeof(*haptic->hwdata)); | ||
| 290 | if (!haptic->hwdata) { | ||
| 291 | return false; | ||
| 292 | } | ||
| 293 | |||
| 294 | // We'll use the device8 from now on. | ||
| 295 | haptic->hwdata->device = device8; | ||
| 296 | haptic->hwdata->is_joystick = is_joystick; | ||
| 297 | |||
| 298 | /* !!! FIXME: opening a haptic device here first will make an attempt to | ||
| 299 | !!! FIXME: SDL_OpenJoystick() that same device fail later, since we | ||
| 300 | !!! FIXME: have it open in exclusive mode. But this will allow | ||
| 301 | !!! FIXME: SDL_OpenJoystick() followed by SDL_OpenHapticFromJoystick() | ||
| 302 | !!! FIXME: to work, and that's probably the common case. Still, | ||
| 303 | !!! FIXME: ideally, We need to unify the opening code. */ | ||
| 304 | |||
| 305 | if (!is_joystick) { // if is_joystick, we already set this up elsewhere. | ||
| 306 | // Grab it exclusively to use force feedback stuff. | ||
| 307 | ret = IDirectInputDevice8_SetCooperativeLevel(haptic->hwdata->device, | ||
| 308 | SDL_HelperWindow, | ||
| 309 | DISCL_EXCLUSIVE | | ||
| 310 | DISCL_BACKGROUND); | ||
| 311 | if (FAILED(ret)) { | ||
| 312 | DI_SetError("Setting cooperative level to exclusive", ret); | ||
| 313 | goto acquire_err; | ||
| 314 | } | ||
| 315 | |||
| 316 | // Set data format. | ||
| 317 | ret = IDirectInputDevice8_SetDataFormat(haptic->hwdata->device, | ||
| 318 | &SDL_c_dfDIJoystick2); | ||
| 319 | if (FAILED(ret)) { | ||
| 320 | DI_SetError("Setting data format", ret); | ||
| 321 | goto acquire_err; | ||
| 322 | } | ||
| 323 | |||
| 324 | // Acquire the device. | ||
| 325 | ret = IDirectInputDevice8_Acquire(haptic->hwdata->device); | ||
| 326 | if (FAILED(ret)) { | ||
| 327 | DI_SetError("Acquiring DirectInput device", ret); | ||
| 328 | goto acquire_err; | ||
| 329 | } | ||
| 330 | } | ||
| 331 | |||
| 332 | // Get number of axes. | ||
| 333 | ret = IDirectInputDevice8_EnumObjects(haptic->hwdata->device, | ||
| 334 | DI_DeviceObjectCallback, | ||
| 335 | haptic, DIDFT_AXIS); | ||
| 336 | if (FAILED(ret)) { | ||
| 337 | DI_SetError("Getting device axes", ret); | ||
| 338 | goto acquire_err; | ||
| 339 | } | ||
| 340 | |||
| 341 | // Reset all actuators - just in case. | ||
| 342 | ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device, | ||
| 343 | DISFFC_RESET); | ||
| 344 | if (FAILED(ret)) { | ||
| 345 | DI_SetError("Resetting device", ret); | ||
| 346 | goto acquire_err; | ||
| 347 | } | ||
| 348 | |||
| 349 | // Enabling actuators. | ||
| 350 | ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device, | ||
| 351 | DISFFC_SETACTUATORSON); | ||
| 352 | if (FAILED(ret)) { | ||
| 353 | DI_SetError("Enabling actuators", ret); | ||
| 354 | goto acquire_err; | ||
| 355 | } | ||
| 356 | |||
| 357 | // Get supported effects. | ||
| 358 | ret = IDirectInputDevice8_EnumEffects(haptic->hwdata->device, | ||
| 359 | DI_EffectCallback, haptic, | ||
| 360 | DIEFT_ALL); | ||
| 361 | if (FAILED(ret)) { | ||
| 362 | DI_SetError("Enumerating supported effects", ret); | ||
| 363 | goto acquire_err; | ||
| 364 | } | ||
| 365 | if (haptic->supported == 0) { // Error since device supports nothing. | ||
| 366 | SDL_SetError("Haptic: Internal error on finding supported effects."); | ||
| 367 | goto acquire_err; | ||
| 368 | } | ||
| 369 | |||
| 370 | // Check autogain and autocenter. | ||
| 371 | dipdw.diph.dwSize = sizeof(DIPROPDWORD); | ||
| 372 | dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER); | ||
| 373 | dipdw.diph.dwObj = 0; | ||
| 374 | dipdw.diph.dwHow = DIPH_DEVICE; | ||
| 375 | dipdw.dwData = 10000; | ||
| 376 | ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device, | ||
| 377 | DIPROP_FFGAIN, &dipdw.diph); | ||
| 378 | if (!FAILED(ret)) { // Gain is supported. | ||
| 379 | haptic->supported |= SDL_HAPTIC_GAIN; | ||
| 380 | } | ||
| 381 | dipdw.diph.dwObj = 0; | ||
| 382 | dipdw.diph.dwHow = DIPH_DEVICE; | ||
| 383 | dipdw.dwData = DIPROPAUTOCENTER_OFF; | ||
| 384 | ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device, | ||
| 385 | DIPROP_AUTOCENTER, &dipdw.diph); | ||
| 386 | if (!FAILED(ret)) { // Autocenter is supported. | ||
| 387 | haptic->supported |= SDL_HAPTIC_AUTOCENTER; | ||
| 388 | } | ||
| 389 | |||
| 390 | // Status is always supported. | ||
| 391 | haptic->supported |= SDL_HAPTIC_STATUS | SDL_HAPTIC_PAUSE; | ||
| 392 | |||
| 393 | // Check maximum effects. | ||
| 394 | haptic->neffects = 128; /* This is not actually supported as thus under windows, | ||
| 395 | there is no way to tell the number of EFFECTS that a | ||
| 396 | device can hold, so we'll just use a "random" number | ||
| 397 | instead and put warnings in SDL_haptic.h */ | ||
| 398 | haptic->nplaying = 128; // Even more impossible to get this then neffects. | ||
| 399 | |||
| 400 | // Prepare effects memory. | ||
| 401 | haptic->effects = (struct haptic_effect *) | ||
| 402 | SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects); | ||
| 403 | if (!haptic->effects) { | ||
| 404 | goto acquire_err; | ||
| 405 | } | ||
| 406 | // Clear the memory | ||
| 407 | SDL_memset(haptic->effects, 0, | ||
| 408 | sizeof(struct haptic_effect) * haptic->neffects); | ||
| 409 | |||
| 410 | return true; | ||
| 411 | |||
| 412 | // Error handling | ||
| 413 | acquire_err: | ||
| 414 | IDirectInputDevice8_Unacquire(haptic->hwdata->device); | ||
| 415 | return false; | ||
| 416 | } | ||
| 417 | |||
| 418 | bool SDL_DINPUT_HapticOpen(SDL_Haptic *haptic, SDL_hapticlist_item *item) | ||
| 419 | { | ||
| 420 | HRESULT ret; | ||
| 421 | LPDIRECTINPUTDEVICE8 device; | ||
| 422 | |||
| 423 | // Open the device | ||
| 424 | ret = IDirectInput8_CreateDevice(dinput, &item->instance.guidInstance, | ||
| 425 | &device, NULL); | ||
| 426 | if (FAILED(ret)) { | ||
| 427 | DI_SetError("Creating DirectInput device", ret); | ||
| 428 | return false; | ||
| 429 | } | ||
| 430 | |||
| 431 | if (!SDL_DINPUT_HapticOpenFromDevice(haptic, device, false)) { | ||
| 432 | IDirectInputDevice8_Release(device); | ||
| 433 | return false; | ||
| 434 | } | ||
| 435 | return true; | ||
| 436 | } | ||
| 437 | |||
| 438 | bool SDL_DINPUT_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 439 | { | ||
| 440 | HRESULT ret; | ||
| 441 | DIDEVICEINSTANCE hap_instance, joy_instance; | ||
| 442 | |||
| 443 | hap_instance.dwSize = sizeof(DIDEVICEINSTANCE); | ||
| 444 | joy_instance.dwSize = sizeof(DIDEVICEINSTANCE); | ||
| 445 | |||
| 446 | // Get the device instances. | ||
| 447 | ret = IDirectInputDevice8_GetDeviceInfo(haptic->hwdata->device, | ||
| 448 | &hap_instance); | ||
| 449 | if (FAILED(ret)) { | ||
| 450 | return false; | ||
| 451 | } | ||
| 452 | ret = IDirectInputDevice8_GetDeviceInfo(joystick->hwdata->InputDevice, | ||
| 453 | &joy_instance); | ||
| 454 | if (FAILED(ret)) { | ||
| 455 | return false; | ||
| 456 | } | ||
| 457 | |||
| 458 | return (WIN_IsEqualGUID(&hap_instance.guidInstance, &joy_instance.guidInstance) == TRUE); | ||
| 459 | } | ||
| 460 | |||
| 461 | bool SDL_DINPUT_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 462 | { | ||
| 463 | SDL_hapticlist_item *item; | ||
| 464 | HRESULT ret; | ||
| 465 | DIDEVICEINSTANCE joy_instance; | ||
| 466 | |||
| 467 | joy_instance.dwSize = sizeof(DIDEVICEINSTANCE); | ||
| 468 | ret = IDirectInputDevice8_GetDeviceInfo(joystick->hwdata->InputDevice, &joy_instance); | ||
| 469 | if (FAILED(ret)) { | ||
| 470 | return false; | ||
| 471 | } | ||
| 472 | |||
| 473 | // Since it comes from a joystick we have to try to match it with a haptic device on our haptic list. | ||
| 474 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 475 | if (WIN_IsEqualGUID(&item->instance.guidInstance, &joy_instance.guidInstance)) { | ||
| 476 | haptic->instance_id = item->instance_id; | ||
| 477 | haptic->name = SDL_strdup(item->name); | ||
| 478 | return SDL_DINPUT_HapticOpenFromDevice(haptic, joystick->hwdata->InputDevice, true); | ||
| 479 | } | ||
| 480 | } | ||
| 481 | |||
| 482 | return SDL_SetError("Couldn't find joystick in haptic device list"); | ||
| 483 | } | ||
| 484 | |||
| 485 | void SDL_DINPUT_HapticClose(SDL_Haptic *haptic) | ||
| 486 | { | ||
| 487 | IDirectInputDevice8_Unacquire(haptic->hwdata->device); | ||
| 488 | |||
| 489 | // Only release if isn't grabbed by a joystick. | ||
| 490 | if (haptic->hwdata->is_joystick == 0) { | ||
| 491 | IDirectInputDevice8_Release(haptic->hwdata->device); | ||
| 492 | } | ||
| 493 | } | ||
| 494 | |||
| 495 | void SDL_DINPUT_HapticQuit(void) | ||
| 496 | { | ||
| 497 | if (dinput != NULL) { | ||
| 498 | IDirectInput8_Release(dinput); | ||
| 499 | dinput = NULL; | ||
| 500 | } | ||
| 501 | |||
| 502 | if (coinitialized) { | ||
| 503 | WIN_CoUninitialize(); | ||
| 504 | coinitialized = false; | ||
| 505 | } | ||
| 506 | } | ||
| 507 | |||
| 508 | /* | ||
| 509 | * Converts an SDL trigger button to an DIEFFECT trigger button. | ||
| 510 | */ | ||
| 511 | static DWORD DIGetTriggerButton(Uint16 button) | ||
| 512 | { | ||
| 513 | DWORD dwTriggerButton; | ||
| 514 | |||
| 515 | dwTriggerButton = DIEB_NOTRIGGER; | ||
| 516 | |||
| 517 | if (button != 0) { | ||
| 518 | dwTriggerButton = DIJOFS_BUTTON(button - 1); | ||
| 519 | } | ||
| 520 | |||
| 521 | return dwTriggerButton; | ||
| 522 | } | ||
| 523 | |||
| 524 | /* | ||
| 525 | * Sets the direction. | ||
| 526 | */ | ||
| 527 | static bool SDL_SYS_SetDirection(DIEFFECT *effect, const SDL_HapticDirection *dir, int naxes) | ||
| 528 | { | ||
| 529 | LONG *rglDir; | ||
| 530 | |||
| 531 | // Handle no axes a part. | ||
| 532 | if (naxes == 0) { | ||
| 533 | effect->dwFlags |= DIEFF_SPHERICAL; // Set as default. | ||
| 534 | effect->rglDirection = NULL; | ||
| 535 | return true; | ||
| 536 | } | ||
| 537 | |||
| 538 | // Has axes. | ||
| 539 | rglDir = (LONG *)SDL_malloc(sizeof(LONG) * naxes); | ||
| 540 | if (!rglDir) { | ||
| 541 | return false; | ||
| 542 | } | ||
| 543 | SDL_memset(rglDir, 0, sizeof(LONG) * naxes); | ||
| 544 | effect->rglDirection = rglDir; | ||
| 545 | |||
| 546 | switch (dir->type) { | ||
| 547 | case SDL_HAPTIC_POLAR: | ||
| 548 | effect->dwFlags |= DIEFF_POLAR; | ||
| 549 | rglDir[0] = dir->dir[0]; | ||
| 550 | return true; | ||
| 551 | case SDL_HAPTIC_CARTESIAN: | ||
| 552 | effect->dwFlags |= DIEFF_CARTESIAN; | ||
| 553 | rglDir[0] = dir->dir[0]; | ||
| 554 | if (naxes > 1) { | ||
| 555 | rglDir[1] = dir->dir[1]; | ||
| 556 | } | ||
| 557 | if (naxes > 2) { | ||
| 558 | rglDir[2] = dir->dir[2]; | ||
| 559 | } | ||
| 560 | return true; | ||
| 561 | case SDL_HAPTIC_SPHERICAL: | ||
| 562 | effect->dwFlags |= DIEFF_SPHERICAL; | ||
| 563 | rglDir[0] = dir->dir[0]; | ||
| 564 | if (naxes > 1) { | ||
| 565 | rglDir[1] = dir->dir[1]; | ||
| 566 | } | ||
| 567 | if (naxes > 2) { | ||
| 568 | rglDir[2] = dir->dir[2]; | ||
| 569 | } | ||
| 570 | return true; | ||
| 571 | case SDL_HAPTIC_STEERING_AXIS: | ||
| 572 | effect->dwFlags |= DIEFF_CARTESIAN; | ||
| 573 | rglDir[0] = 0; | ||
| 574 | return true; | ||
| 575 | |||
| 576 | default: | ||
| 577 | return SDL_SetError("Haptic: Unknown direction type."); | ||
| 578 | } | ||
| 579 | } | ||
| 580 | |||
| 581 | // Clamps and converts. | ||
| 582 | #define CCONVERT(x) (((x) > 0x7FFF) ? 10000 : ((x)*10000) / 0x7FFF) | ||
| 583 | // Just converts. | ||
| 584 | #define CONVERT(x) (((x)*10000) / 0x7FFF) | ||
| 585 | /* | ||
| 586 | * Creates the DIEFFECT from a SDL_HapticEffect. | ||
| 587 | */ | ||
| 588 | static bool SDL_SYS_ToDIEFFECT(SDL_Haptic *haptic, DIEFFECT *dest, | ||
| 589 | const SDL_HapticEffect *src) | ||
| 590 | { | ||
| 591 | int i; | ||
| 592 | DICONSTANTFORCE *constant; | ||
| 593 | DIPERIODIC *periodic; | ||
| 594 | DICONDITION *condition; // Actually an array of conditions - one per axis. | ||
| 595 | DIRAMPFORCE *ramp; | ||
| 596 | DICUSTOMFORCE *custom; | ||
| 597 | DIENVELOPE *envelope; | ||
| 598 | const SDL_HapticConstant *hap_constant; | ||
| 599 | const SDL_HapticPeriodic *hap_periodic; | ||
| 600 | const SDL_HapticCondition *hap_condition; | ||
| 601 | const SDL_HapticRamp *hap_ramp; | ||
| 602 | const SDL_HapticCustom *hap_custom; | ||
| 603 | DWORD *axes; | ||
| 604 | |||
| 605 | // Set global stuff. | ||
| 606 | SDL_memset(dest, 0, sizeof(DIEFFECT)); | ||
| 607 | dest->dwSize = sizeof(DIEFFECT); // Set the structure size. | ||
| 608 | dest->dwSamplePeriod = 0; // Not used by us. | ||
| 609 | dest->dwGain = 10000; // Gain is set globally, not locally. | ||
| 610 | dest->dwFlags = DIEFF_OBJECTOFFSETS; // Seems obligatory. | ||
| 611 | |||
| 612 | // Envelope. | ||
| 613 | envelope = (DIENVELOPE *)SDL_calloc(1, sizeof(DIENVELOPE)); | ||
| 614 | if (!envelope) { | ||
| 615 | return false; | ||
| 616 | } | ||
| 617 | dest->lpEnvelope = envelope; | ||
| 618 | envelope->dwSize = sizeof(DIENVELOPE); // Always should be this. | ||
| 619 | |||
| 620 | // Axes. | ||
| 621 | if (src->constant.direction.type == SDL_HAPTIC_STEERING_AXIS) { | ||
| 622 | dest->cAxes = 1; | ||
| 623 | } else { | ||
| 624 | dest->cAxes = haptic->naxes; | ||
| 625 | } | ||
| 626 | if (dest->cAxes > 0) { | ||
| 627 | axes = (DWORD *)SDL_malloc(sizeof(DWORD) * dest->cAxes); | ||
| 628 | if (!axes) { | ||
| 629 | return false; | ||
| 630 | } | ||
| 631 | axes[0] = haptic->hwdata->axes[0]; // Always at least one axis. | ||
| 632 | if (dest->cAxes > 1) { | ||
| 633 | axes[1] = haptic->hwdata->axes[1]; | ||
| 634 | } | ||
| 635 | if (dest->cAxes > 2) { | ||
| 636 | axes[2] = haptic->hwdata->axes[2]; | ||
| 637 | } | ||
| 638 | dest->rgdwAxes = axes; | ||
| 639 | } | ||
| 640 | |||
| 641 | // The big type handling switch, even bigger than Linux's version. | ||
| 642 | switch (src->type) { | ||
| 643 | case SDL_HAPTIC_CONSTANT: | ||
| 644 | hap_constant = &src->constant; | ||
| 645 | constant = (DICONSTANTFORCE *)SDL_calloc(1, sizeof(DICONSTANTFORCE)); | ||
| 646 | if (!constant) { | ||
| 647 | return false; | ||
| 648 | } | ||
| 649 | |||
| 650 | // Specifics | ||
| 651 | constant->lMagnitude = CONVERT(hap_constant->level); | ||
| 652 | dest->cbTypeSpecificParams = sizeof(DICONSTANTFORCE); | ||
| 653 | dest->lpvTypeSpecificParams = constant; | ||
| 654 | |||
| 655 | // Generics | ||
| 656 | dest->dwDuration = hap_constant->length * 1000UL; // In microseconds. | ||
| 657 | dest->dwTriggerButton = DIGetTriggerButton(hap_constant->button); | ||
| 658 | dest->dwTriggerRepeatInterval = hap_constant->interval; | ||
| 659 | dest->dwStartDelay = hap_constant->delay * 1000UL; // In microseconds. | ||
| 660 | |||
| 661 | // Direction. | ||
| 662 | if (!SDL_SYS_SetDirection(dest, &hap_constant->direction, dest->cAxes)) { | ||
| 663 | return false; | ||
| 664 | } | ||
| 665 | |||
| 666 | // Envelope | ||
| 667 | if ((hap_constant->attack_length == 0) && (hap_constant->fade_length == 0)) { | ||
| 668 | SDL_free(dest->lpEnvelope); | ||
| 669 | dest->lpEnvelope = NULL; | ||
| 670 | } else { | ||
| 671 | envelope->dwAttackLevel = CCONVERT(hap_constant->attack_level); | ||
| 672 | envelope->dwAttackTime = hap_constant->attack_length * 1000UL; | ||
| 673 | envelope->dwFadeLevel = CCONVERT(hap_constant->fade_level); | ||
| 674 | envelope->dwFadeTime = hap_constant->fade_length * 1000UL; | ||
| 675 | } | ||
| 676 | |||
| 677 | break; | ||
| 678 | |||
| 679 | case SDL_HAPTIC_SINE: | ||
| 680 | case SDL_HAPTIC_SQUARE: | ||
| 681 | case SDL_HAPTIC_TRIANGLE: | ||
| 682 | case SDL_HAPTIC_SAWTOOTHUP: | ||
| 683 | case SDL_HAPTIC_SAWTOOTHDOWN: | ||
| 684 | hap_periodic = &src->periodic; | ||
| 685 | periodic = (DIPERIODIC *)SDL_calloc(1, sizeof(DIPERIODIC)); | ||
| 686 | if (!periodic) { | ||
| 687 | return false; | ||
| 688 | } | ||
| 689 | |||
| 690 | // Specifics | ||
| 691 | periodic->dwMagnitude = CONVERT(SDL_abs(hap_periodic->magnitude)); | ||
| 692 | periodic->lOffset = CONVERT(hap_periodic->offset); | ||
| 693 | periodic->dwPhase = | ||
| 694 | (hap_periodic->phase + (hap_periodic->magnitude < 0 ? 18000 : 0)) % 36000; | ||
| 695 | periodic->dwPeriod = hap_periodic->period * 1000; | ||
| 696 | dest->cbTypeSpecificParams = sizeof(DIPERIODIC); | ||
| 697 | dest->lpvTypeSpecificParams = periodic; | ||
| 698 | |||
| 699 | // Generics | ||
| 700 | dest->dwDuration = hap_periodic->length * 1000UL; // In microseconds. | ||
| 701 | dest->dwTriggerButton = DIGetTriggerButton(hap_periodic->button); | ||
| 702 | dest->dwTriggerRepeatInterval = hap_periodic->interval; | ||
| 703 | dest->dwStartDelay = hap_periodic->delay * 1000UL; // In microseconds. | ||
| 704 | |||
| 705 | // Direction. | ||
| 706 | if (!SDL_SYS_SetDirection(dest, &hap_periodic->direction, dest->cAxes)) { | ||
| 707 | return false; | ||
| 708 | } | ||
| 709 | |||
| 710 | // Envelope | ||
| 711 | if ((hap_periodic->attack_length == 0) && (hap_periodic->fade_length == 0)) { | ||
| 712 | SDL_free(dest->lpEnvelope); | ||
| 713 | dest->lpEnvelope = NULL; | ||
| 714 | } else { | ||
| 715 | envelope->dwAttackLevel = CCONVERT(hap_periodic->attack_level); | ||
| 716 | envelope->dwAttackTime = hap_periodic->attack_length * 1000UL; | ||
| 717 | envelope->dwFadeLevel = CCONVERT(hap_periodic->fade_level); | ||
| 718 | envelope->dwFadeTime = hap_periodic->fade_length * 1000UL; | ||
| 719 | } | ||
| 720 | |||
| 721 | break; | ||
| 722 | |||
| 723 | case SDL_HAPTIC_SPRING: | ||
| 724 | case SDL_HAPTIC_DAMPER: | ||
| 725 | case SDL_HAPTIC_INERTIA: | ||
| 726 | case SDL_HAPTIC_FRICTION: | ||
| 727 | hap_condition = &src->condition; | ||
| 728 | condition = (DICONDITION *)SDL_calloc(dest->cAxes, sizeof(DICONDITION)); | ||
| 729 | if (!condition) { | ||
| 730 | return false; | ||
| 731 | } | ||
| 732 | |||
| 733 | // Specifics | ||
| 734 | for (i = 0; i < (int)dest->cAxes; i++) { | ||
| 735 | condition[i].lOffset = CONVERT(hap_condition->center[i]); | ||
| 736 | condition[i].lPositiveCoefficient = | ||
| 737 | CONVERT(hap_condition->right_coeff[i]); | ||
| 738 | condition[i].lNegativeCoefficient = | ||
| 739 | CONVERT(hap_condition->left_coeff[i]); | ||
| 740 | condition[i].dwPositiveSaturation = | ||
| 741 | CCONVERT(hap_condition->right_sat[i] / 2); | ||
| 742 | condition[i].dwNegativeSaturation = | ||
| 743 | CCONVERT(hap_condition->left_sat[i] / 2); | ||
| 744 | condition[i].lDeadBand = CCONVERT(hap_condition->deadband[i] / 2); | ||
| 745 | } | ||
| 746 | dest->cbTypeSpecificParams = sizeof(DICONDITION) * dest->cAxes; | ||
| 747 | dest->lpvTypeSpecificParams = condition; | ||
| 748 | |||
| 749 | // Generics | ||
| 750 | dest->dwDuration = hap_condition->length * 1000UL; // In microseconds. | ||
| 751 | dest->dwTriggerButton = DIGetTriggerButton(hap_condition->button); | ||
| 752 | dest->dwTriggerRepeatInterval = hap_condition->interval; | ||
| 753 | dest->dwStartDelay = hap_condition->delay * 1000UL; // In microseconds. | ||
| 754 | |||
| 755 | // Direction. | ||
| 756 | if (!SDL_SYS_SetDirection(dest, &hap_condition->direction, dest->cAxes)) { | ||
| 757 | return false; | ||
| 758 | } | ||
| 759 | |||
| 760 | // Envelope - Not actually supported by most CONDITION implementations. | ||
| 761 | SDL_free(dest->lpEnvelope); | ||
| 762 | dest->lpEnvelope = NULL; | ||
| 763 | |||
| 764 | break; | ||
| 765 | |||
| 766 | case SDL_HAPTIC_RAMP: | ||
| 767 | hap_ramp = &src->ramp; | ||
| 768 | ramp = (DIRAMPFORCE *)SDL_calloc(1, sizeof(DIRAMPFORCE)); | ||
| 769 | if (!ramp) { | ||
| 770 | return false; | ||
| 771 | } | ||
| 772 | |||
| 773 | // Specifics | ||
| 774 | ramp->lStart = CONVERT(hap_ramp->start); | ||
| 775 | ramp->lEnd = CONVERT(hap_ramp->end); | ||
| 776 | dest->cbTypeSpecificParams = sizeof(DIRAMPFORCE); | ||
| 777 | dest->lpvTypeSpecificParams = ramp; | ||
| 778 | |||
| 779 | // Generics | ||
| 780 | dest->dwDuration = hap_ramp->length * 1000UL; // In microseconds. | ||
| 781 | dest->dwTriggerButton = DIGetTriggerButton(hap_ramp->button); | ||
| 782 | dest->dwTriggerRepeatInterval = hap_ramp->interval; | ||
| 783 | dest->dwStartDelay = hap_ramp->delay * 1000UL; // In microseconds. | ||
| 784 | |||
| 785 | // Direction. | ||
| 786 | if (!SDL_SYS_SetDirection(dest, &hap_ramp->direction, dest->cAxes)) { | ||
| 787 | return false; | ||
| 788 | } | ||
| 789 | |||
| 790 | // Envelope | ||
| 791 | if ((hap_ramp->attack_length == 0) && (hap_ramp->fade_length == 0)) { | ||
| 792 | SDL_free(dest->lpEnvelope); | ||
| 793 | dest->lpEnvelope = NULL; | ||
| 794 | } else { | ||
| 795 | envelope->dwAttackLevel = CCONVERT(hap_ramp->attack_level); | ||
| 796 | envelope->dwAttackTime = hap_ramp->attack_length * 1000UL; | ||
| 797 | envelope->dwFadeLevel = CCONVERT(hap_ramp->fade_level); | ||
| 798 | envelope->dwFadeTime = hap_ramp->fade_length * 1000UL; | ||
| 799 | } | ||
| 800 | |||
| 801 | break; | ||
| 802 | |||
| 803 | case SDL_HAPTIC_CUSTOM: | ||
| 804 | hap_custom = &src->custom; | ||
| 805 | custom = (DICUSTOMFORCE *)SDL_calloc(1, sizeof(DICUSTOMFORCE)); | ||
| 806 | if (!custom) { | ||
| 807 | return false; | ||
| 808 | } | ||
| 809 | |||
| 810 | // Specifics | ||
| 811 | custom->cChannels = hap_custom->channels; | ||
| 812 | custom->dwSamplePeriod = hap_custom->period * 1000UL; | ||
| 813 | custom->cSamples = hap_custom->samples; | ||
| 814 | custom->rglForceData = (LPLONG)SDL_malloc(sizeof(LONG) * custom->cSamples * custom->cChannels); | ||
| 815 | for (i = 0; i < hap_custom->samples * hap_custom->channels; i++) { // Copy data. | ||
| 816 | custom->rglForceData[i] = CCONVERT(hap_custom->data[i]); | ||
| 817 | } | ||
| 818 | dest->cbTypeSpecificParams = sizeof(DICUSTOMFORCE); | ||
| 819 | dest->lpvTypeSpecificParams = custom; | ||
| 820 | |||
| 821 | // Generics | ||
| 822 | dest->dwDuration = hap_custom->length * 1000UL; // In microseconds. | ||
| 823 | dest->dwTriggerButton = DIGetTriggerButton(hap_custom->button); | ||
| 824 | dest->dwTriggerRepeatInterval = hap_custom->interval; | ||
| 825 | dest->dwStartDelay = hap_custom->delay * 1000UL; // In microseconds. | ||
| 826 | |||
| 827 | // Direction. | ||
| 828 | if (!SDL_SYS_SetDirection(dest, &hap_custom->direction, dest->cAxes)) { | ||
| 829 | return false; | ||
| 830 | } | ||
| 831 | |||
| 832 | // Envelope | ||
| 833 | if ((hap_custom->attack_length == 0) && (hap_custom->fade_length == 0)) { | ||
| 834 | SDL_free(dest->lpEnvelope); | ||
| 835 | dest->lpEnvelope = NULL; | ||
| 836 | } else { | ||
| 837 | envelope->dwAttackLevel = CCONVERT(hap_custom->attack_level); | ||
| 838 | envelope->dwAttackTime = hap_custom->attack_length * 1000UL; | ||
| 839 | envelope->dwFadeLevel = CCONVERT(hap_custom->fade_level); | ||
| 840 | envelope->dwFadeTime = hap_custom->fade_length * 1000UL; | ||
| 841 | } | ||
| 842 | |||
| 843 | break; | ||
| 844 | |||
| 845 | default: | ||
| 846 | return SDL_SetError("Haptic: Unknown effect type."); | ||
| 847 | } | ||
| 848 | |||
| 849 | return true; | ||
| 850 | } | ||
| 851 | |||
| 852 | /* | ||
| 853 | * Frees an DIEFFECT allocated by SDL_SYS_ToDIEFFECT. | ||
| 854 | */ | ||
| 855 | static void SDL_SYS_HapticFreeDIEFFECT(DIEFFECT *effect, int type) | ||
| 856 | { | ||
| 857 | DICUSTOMFORCE *custom; | ||
| 858 | |||
| 859 | SDL_free(effect->lpEnvelope); | ||
| 860 | effect->lpEnvelope = NULL; | ||
| 861 | SDL_free(effect->rgdwAxes); | ||
| 862 | effect->rgdwAxes = NULL; | ||
| 863 | if (effect->lpvTypeSpecificParams) { | ||
| 864 | if (type == SDL_HAPTIC_CUSTOM) { // Must free the custom data. | ||
| 865 | custom = (DICUSTOMFORCE *)effect->lpvTypeSpecificParams; | ||
| 866 | SDL_free(custom->rglForceData); | ||
| 867 | custom->rglForceData = NULL; | ||
| 868 | } | ||
| 869 | SDL_free(effect->lpvTypeSpecificParams); | ||
| 870 | effect->lpvTypeSpecificParams = NULL; | ||
| 871 | } | ||
| 872 | SDL_free(effect->rglDirection); | ||
| 873 | effect->rglDirection = NULL; | ||
| 874 | } | ||
| 875 | |||
| 876 | /* | ||
| 877 | * Gets the effect type from the generic SDL haptic effect wrapper. | ||
| 878 | */ | ||
| 879 | // NOLINTNEXTLINE(readability-const-return-type): Can't fix Windows' headers | ||
| 880 | static REFGUID SDL_SYS_HapticEffectType(const SDL_HapticEffect *effect) | ||
| 881 | { | ||
| 882 | switch (effect->type) { | ||
| 883 | case SDL_HAPTIC_CONSTANT: | ||
| 884 | return &GUID_ConstantForce; | ||
| 885 | |||
| 886 | case SDL_HAPTIC_RAMP: | ||
| 887 | return &GUID_RampForce; | ||
| 888 | |||
| 889 | case SDL_HAPTIC_SQUARE: | ||
| 890 | return &GUID_Square; | ||
| 891 | |||
| 892 | case SDL_HAPTIC_SINE: | ||
| 893 | return &GUID_Sine; | ||
| 894 | |||
| 895 | case SDL_HAPTIC_TRIANGLE: | ||
| 896 | return &GUID_Triangle; | ||
| 897 | |||
| 898 | case SDL_HAPTIC_SAWTOOTHUP: | ||
| 899 | return &GUID_SawtoothUp; | ||
| 900 | |||
| 901 | case SDL_HAPTIC_SAWTOOTHDOWN: | ||
| 902 | return &GUID_SawtoothDown; | ||
| 903 | |||
| 904 | case SDL_HAPTIC_SPRING: | ||
| 905 | return &GUID_Spring; | ||
| 906 | |||
| 907 | case SDL_HAPTIC_DAMPER: | ||
| 908 | return &GUID_Damper; | ||
| 909 | |||
| 910 | case SDL_HAPTIC_INERTIA: | ||
| 911 | return &GUID_Inertia; | ||
| 912 | |||
| 913 | case SDL_HAPTIC_FRICTION: | ||
| 914 | return &GUID_Friction; | ||
| 915 | |||
| 916 | case SDL_HAPTIC_CUSTOM: | ||
| 917 | return &GUID_CustomForce; | ||
| 918 | |||
| 919 | default: | ||
| 920 | return NULL; | ||
| 921 | } | ||
| 922 | } | ||
| 923 | bool SDL_DINPUT_HapticNewEffect(SDL_Haptic *haptic, struct haptic_effect *effect, const SDL_HapticEffect *base) | ||
| 924 | { | ||
| 925 | HRESULT ret; | ||
| 926 | REFGUID type = SDL_SYS_HapticEffectType(base); | ||
| 927 | |||
| 928 | if (!type) { | ||
| 929 | return SDL_SetError("Haptic: Unknown effect type."); | ||
| 930 | } | ||
| 931 | |||
| 932 | // Get the effect. | ||
| 933 | if (!SDL_SYS_ToDIEFFECT(haptic, &effect->hweffect->effect, base)) { | ||
| 934 | goto err_effectdone; | ||
| 935 | } | ||
| 936 | |||
| 937 | // Create the actual effect. | ||
| 938 | ret = IDirectInputDevice8_CreateEffect(haptic->hwdata->device, type, | ||
| 939 | &effect->hweffect->effect, | ||
| 940 | &effect->hweffect->ref, NULL); | ||
| 941 | if (FAILED(ret)) { | ||
| 942 | DI_SetError("Unable to create effect", ret); | ||
| 943 | goto err_effectdone; | ||
| 944 | } | ||
| 945 | |||
| 946 | return true; | ||
| 947 | |||
| 948 | err_effectdone: | ||
| 949 | SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, base->type); | ||
| 950 | return false; | ||
| 951 | } | ||
| 952 | |||
| 953 | bool SDL_DINPUT_HapticUpdateEffect(SDL_Haptic *haptic, struct haptic_effect *effect, const SDL_HapticEffect *data) | ||
| 954 | { | ||
| 955 | HRESULT ret; | ||
| 956 | DWORD flags; | ||
| 957 | DIEFFECT temp; | ||
| 958 | |||
| 959 | // Get the effect. | ||
| 960 | SDL_memset(&temp, 0, sizeof(DIEFFECT)); | ||
| 961 | if (!SDL_SYS_ToDIEFFECT(haptic, &temp, data)) { | ||
| 962 | goto err_update; | ||
| 963 | } | ||
| 964 | |||
| 965 | /* Set the flags. Might be worthwhile to diff temp with loaded effect and | ||
| 966 | * only change those parameters. */ | ||
| 967 | flags = DIEP_DIRECTION | | ||
| 968 | DIEP_DURATION | | ||
| 969 | DIEP_ENVELOPE | | ||
| 970 | DIEP_STARTDELAY | | ||
| 971 | DIEP_TRIGGERBUTTON | | ||
| 972 | DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS; | ||
| 973 | |||
| 974 | // Create the actual effect. | ||
| 975 | ret = | ||
| 976 | IDirectInputEffect_SetParameters(effect->hweffect->ref, &temp, flags); | ||
| 977 | if (ret == DIERR_NOTEXCLUSIVEACQUIRED) { | ||
| 978 | IDirectInputDevice8_Unacquire(haptic->hwdata->device); | ||
| 979 | ret = IDirectInputDevice8_SetCooperativeLevel(haptic->hwdata->device, SDL_HelperWindow, DISCL_EXCLUSIVE | DISCL_BACKGROUND); | ||
| 980 | if (SUCCEEDED(ret)) { | ||
| 981 | ret = DIERR_NOTACQUIRED; | ||
| 982 | } | ||
| 983 | } | ||
| 984 | if (ret == DIERR_INPUTLOST || ret == DIERR_NOTACQUIRED) { | ||
| 985 | ret = IDirectInputDevice8_Acquire(haptic->hwdata->device); | ||
| 986 | if (SUCCEEDED(ret)) { | ||
| 987 | ret = IDirectInputEffect_SetParameters(effect->hweffect->ref, &temp, flags); | ||
| 988 | } | ||
| 989 | } | ||
| 990 | if (FAILED(ret)) { | ||
| 991 | DI_SetError("Unable to update effect", ret); | ||
| 992 | goto err_update; | ||
| 993 | } | ||
| 994 | |||
| 995 | // Copy it over. | ||
| 996 | SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, data->type); | ||
| 997 | SDL_memcpy(&effect->hweffect->effect, &temp, sizeof(DIEFFECT)); | ||
| 998 | |||
| 999 | return true; | ||
| 1000 | |||
| 1001 | err_update: | ||
| 1002 | SDL_SYS_HapticFreeDIEFFECT(&temp, data->type); | ||
| 1003 | return false; | ||
| 1004 | } | ||
| 1005 | |||
| 1006 | bool SDL_DINPUT_HapticRunEffect(SDL_Haptic *haptic, struct haptic_effect *effect, Uint32 iterations) | ||
| 1007 | { | ||
| 1008 | HRESULT ret; | ||
| 1009 | DWORD iter; | ||
| 1010 | |||
| 1011 | // Check if it's infinite. | ||
| 1012 | if (iterations == SDL_HAPTIC_INFINITY) { | ||
| 1013 | iter = INFINITE; | ||
| 1014 | } else { | ||
| 1015 | iter = iterations; | ||
| 1016 | } | ||
| 1017 | |||
| 1018 | // Run the effect. | ||
| 1019 | ret = IDirectInputEffect_Start(effect->hweffect->ref, iter, 0); | ||
| 1020 | if (FAILED(ret)) { | ||
| 1021 | return DI_SetError("Running the effect", ret); | ||
| 1022 | } | ||
| 1023 | return true; | ||
| 1024 | } | ||
| 1025 | |||
| 1026 | bool SDL_DINPUT_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1027 | { | ||
| 1028 | HRESULT ret; | ||
| 1029 | |||
| 1030 | ret = IDirectInputEffect_Stop(effect->hweffect->ref); | ||
| 1031 | if (FAILED(ret)) { | ||
| 1032 | return DI_SetError("Unable to stop effect", ret); | ||
| 1033 | } | ||
| 1034 | return true; | ||
| 1035 | } | ||
| 1036 | |||
| 1037 | void SDL_DINPUT_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1038 | { | ||
| 1039 | HRESULT ret; | ||
| 1040 | |||
| 1041 | ret = IDirectInputEffect_Unload(effect->hweffect->ref); | ||
| 1042 | if (FAILED(ret)) { | ||
| 1043 | DI_SetError("Removing effect from the device", ret); | ||
| 1044 | } | ||
| 1045 | SDL_SYS_HapticFreeDIEFFECT(&effect->hweffect->effect, effect->effect.type); | ||
| 1046 | } | ||
| 1047 | |||
| 1048 | int SDL_DINPUT_HapticGetEffectStatus(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1049 | { | ||
| 1050 | HRESULT ret; | ||
| 1051 | DWORD status; | ||
| 1052 | |||
| 1053 | ret = IDirectInputEffect_GetEffectStatus(effect->hweffect->ref, &status); | ||
| 1054 | if (FAILED(ret)) { | ||
| 1055 | DI_SetError("Getting effect status", ret); | ||
| 1056 | return -1; | ||
| 1057 | } | ||
| 1058 | |||
| 1059 | if (status == 0) { | ||
| 1060 | return 0; | ||
| 1061 | } | ||
| 1062 | return 1; | ||
| 1063 | } | ||
| 1064 | |||
| 1065 | bool SDL_DINPUT_HapticSetGain(SDL_Haptic *haptic, int gain) | ||
| 1066 | { | ||
| 1067 | HRESULT ret; | ||
| 1068 | DIPROPDWORD dipdw; | ||
| 1069 | |||
| 1070 | // Create the weird structure thingy. | ||
| 1071 | dipdw.diph.dwSize = sizeof(DIPROPDWORD); | ||
| 1072 | dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER); | ||
| 1073 | dipdw.diph.dwObj = 0; | ||
| 1074 | dipdw.diph.dwHow = DIPH_DEVICE; | ||
| 1075 | dipdw.dwData = (DWORD)gain * 100; // 0 to 10,000 | ||
| 1076 | |||
| 1077 | // Try to set the autocenter. | ||
| 1078 | ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device, | ||
| 1079 | DIPROP_FFGAIN, &dipdw.diph); | ||
| 1080 | if (FAILED(ret)) { | ||
| 1081 | return DI_SetError("Setting gain", ret); | ||
| 1082 | } | ||
| 1083 | return true; | ||
| 1084 | } | ||
| 1085 | |||
| 1086 | bool SDL_DINPUT_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter) | ||
| 1087 | { | ||
| 1088 | HRESULT ret; | ||
| 1089 | DIPROPDWORD dipdw; | ||
| 1090 | |||
| 1091 | // Create the weird structure thingy. | ||
| 1092 | dipdw.diph.dwSize = sizeof(DIPROPDWORD); | ||
| 1093 | dipdw.diph.dwHeaderSize = sizeof(DIPROPHEADER); | ||
| 1094 | dipdw.diph.dwObj = 0; | ||
| 1095 | dipdw.diph.dwHow = DIPH_DEVICE; | ||
| 1096 | dipdw.dwData = (autocenter == 0) ? DIPROPAUTOCENTER_OFF : DIPROPAUTOCENTER_ON; | ||
| 1097 | |||
| 1098 | // Try to set the autocenter. | ||
| 1099 | ret = IDirectInputDevice8_SetProperty(haptic->hwdata->device, | ||
| 1100 | DIPROP_AUTOCENTER, &dipdw.diph); | ||
| 1101 | if (FAILED(ret)) { | ||
| 1102 | return DI_SetError("Setting autocenter", ret); | ||
| 1103 | } | ||
| 1104 | return true; | ||
| 1105 | } | ||
| 1106 | |||
| 1107 | bool SDL_DINPUT_HapticPause(SDL_Haptic *haptic) | ||
| 1108 | { | ||
| 1109 | HRESULT ret; | ||
| 1110 | |||
| 1111 | // Pause the device. | ||
| 1112 | ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device, | ||
| 1113 | DISFFC_PAUSE); | ||
| 1114 | if (FAILED(ret)) { | ||
| 1115 | return DI_SetError("Pausing the device", ret); | ||
| 1116 | } | ||
| 1117 | return true; | ||
| 1118 | } | ||
| 1119 | |||
| 1120 | bool SDL_DINPUT_HapticResume(SDL_Haptic *haptic) | ||
| 1121 | { | ||
| 1122 | HRESULT ret; | ||
| 1123 | |||
| 1124 | // Unpause the device. | ||
| 1125 | ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device, | ||
| 1126 | DISFFC_CONTINUE); | ||
| 1127 | if (FAILED(ret)) { | ||
| 1128 | return DI_SetError("Pausing the device", ret); | ||
| 1129 | } | ||
| 1130 | return true; | ||
| 1131 | } | ||
| 1132 | |||
| 1133 | bool SDL_DINPUT_HapticStopAll(SDL_Haptic *haptic) | ||
| 1134 | { | ||
| 1135 | HRESULT ret; | ||
| 1136 | |||
| 1137 | // Try to stop the effects. | ||
| 1138 | ret = IDirectInputDevice8_SendForceFeedbackCommand(haptic->hwdata->device, | ||
| 1139 | DISFFC_STOPALL); | ||
| 1140 | if (FAILED(ret)) { | ||
| 1141 | return DI_SetError("Stopping the device", ret); | ||
| 1142 | } | ||
| 1143 | return true; | ||
| 1144 | } | ||
| 1145 | |||
| 1146 | #else // !SDL_HAPTIC_DINPUT | ||
| 1147 | |||
| 1148 | typedef struct DIDEVICEINSTANCE DIDEVICEINSTANCE; | ||
| 1149 | typedef struct SDL_hapticlist_item SDL_hapticlist_item; | ||
| 1150 | |||
| 1151 | bool SDL_DINPUT_HapticInit(void) | ||
| 1152 | { | ||
| 1153 | return true; | ||
| 1154 | } | ||
| 1155 | |||
| 1156 | bool SDL_DINPUT_HapticMaybeAddDevice(const DIDEVICEINSTANCE *pdidInstance) | ||
| 1157 | { | ||
| 1158 | return SDL_Unsupported(); | ||
| 1159 | } | ||
| 1160 | |||
| 1161 | bool SDL_DINPUT_HapticMaybeRemoveDevice(const DIDEVICEINSTANCE *pdidInstance) | ||
| 1162 | { | ||
| 1163 | return SDL_Unsupported(); | ||
| 1164 | } | ||
| 1165 | |||
| 1166 | bool SDL_DINPUT_HapticOpen(SDL_Haptic *haptic, SDL_hapticlist_item *item) | ||
| 1167 | { | ||
| 1168 | return SDL_Unsupported(); | ||
| 1169 | } | ||
| 1170 | |||
| 1171 | bool SDL_DINPUT_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 1172 | { | ||
| 1173 | return false; | ||
| 1174 | } | ||
| 1175 | |||
| 1176 | bool SDL_DINPUT_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 1177 | { | ||
| 1178 | return SDL_Unsupported(); | ||
| 1179 | } | ||
| 1180 | |||
| 1181 | void SDL_DINPUT_HapticClose(SDL_Haptic *haptic) | ||
| 1182 | { | ||
| 1183 | } | ||
| 1184 | |||
| 1185 | void SDL_DINPUT_HapticQuit(void) | ||
| 1186 | { | ||
| 1187 | } | ||
| 1188 | |||
| 1189 | bool SDL_DINPUT_HapticNewEffect(SDL_Haptic *haptic, struct haptic_effect *effect, const SDL_HapticEffect *base) | ||
| 1190 | { | ||
| 1191 | return SDL_Unsupported(); | ||
| 1192 | } | ||
| 1193 | |||
| 1194 | bool SDL_DINPUT_HapticUpdateEffect(SDL_Haptic *haptic, struct haptic_effect *effect, const SDL_HapticEffect *data) | ||
| 1195 | { | ||
| 1196 | return SDL_Unsupported(); | ||
| 1197 | } | ||
| 1198 | |||
| 1199 | bool SDL_DINPUT_HapticRunEffect(SDL_Haptic *haptic, struct haptic_effect *effect, Uint32 iterations) | ||
| 1200 | { | ||
| 1201 | return SDL_Unsupported(); | ||
| 1202 | } | ||
| 1203 | |||
| 1204 | bool SDL_DINPUT_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1205 | { | ||
| 1206 | return SDL_Unsupported(); | ||
| 1207 | } | ||
| 1208 | |||
| 1209 | void SDL_DINPUT_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1210 | { | ||
| 1211 | } | ||
| 1212 | |||
| 1213 | int SDL_DINPUT_HapticGetEffectStatus(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 1214 | { | ||
| 1215 | SDL_Unsupported(); | ||
| 1216 | return -1; | ||
| 1217 | } | ||
| 1218 | |||
| 1219 | bool SDL_DINPUT_HapticSetGain(SDL_Haptic *haptic, int gain) | ||
| 1220 | { | ||
| 1221 | return SDL_Unsupported(); | ||
| 1222 | } | ||
| 1223 | |||
| 1224 | bool SDL_DINPUT_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter) | ||
| 1225 | { | ||
| 1226 | return SDL_Unsupported(); | ||
| 1227 | } | ||
| 1228 | |||
| 1229 | bool SDL_DINPUT_HapticPause(SDL_Haptic *haptic) | ||
| 1230 | { | ||
| 1231 | return SDL_Unsupported(); | ||
| 1232 | } | ||
| 1233 | |||
| 1234 | bool SDL_DINPUT_HapticResume(SDL_Haptic *haptic) | ||
| 1235 | { | ||
| 1236 | return SDL_Unsupported(); | ||
| 1237 | } | ||
| 1238 | |||
| 1239 | bool SDL_DINPUT_HapticStopAll(SDL_Haptic *haptic) | ||
| 1240 | { | ||
| 1241 | return SDL_Unsupported(); | ||
| 1242 | } | ||
| 1243 | |||
| 1244 | #endif // SDL_HAPTIC_DINPUT | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/windows/SDL_dinputhaptic_c.h b/contrib/SDL-3.2.8/src/haptic/windows/SDL_dinputhaptic_c.h new file mode 100644 index 0000000..d6265c9 --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/windows/SDL_dinputhaptic_c.h | |||
| @@ -0,0 +1,53 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #include "SDL_windowshaptic_c.h" | ||
| 24 | |||
| 25 | // Set up for C function definitions, even when using C++ | ||
| 26 | #ifdef __cplusplus | ||
| 27 | extern "C" { | ||
| 28 | #endif | ||
| 29 | |||
| 30 | extern bool SDL_DINPUT_HapticInit(void); | ||
| 31 | extern bool SDL_DINPUT_HapticMaybeAddDevice(const DIDEVICEINSTANCE *pdidInstance); | ||
| 32 | extern bool SDL_DINPUT_HapticMaybeRemoveDevice(const DIDEVICEINSTANCE *pdidInstance); | ||
| 33 | extern bool SDL_DINPUT_HapticOpen(SDL_Haptic *haptic, SDL_hapticlist_item *item); | ||
| 34 | extern bool SDL_DINPUT_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick); | ||
| 35 | extern bool SDL_DINPUT_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick); | ||
| 36 | extern void SDL_DINPUT_HapticClose(SDL_Haptic *haptic); | ||
| 37 | extern void SDL_DINPUT_HapticQuit(void); | ||
| 38 | extern bool SDL_DINPUT_HapticNewEffect(SDL_Haptic *haptic, struct haptic_effect *effect, const SDL_HapticEffect *base); | ||
| 39 | extern bool SDL_DINPUT_HapticUpdateEffect(SDL_Haptic *haptic, struct haptic_effect *effect, const SDL_HapticEffect *data); | ||
| 40 | extern bool SDL_DINPUT_HapticRunEffect(SDL_Haptic *haptic, struct haptic_effect *effect, Uint32 iterations); | ||
| 41 | extern bool SDL_DINPUT_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect); | ||
| 42 | extern void SDL_DINPUT_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect); | ||
| 43 | extern int SDL_DINPUT_HapticGetEffectStatus(SDL_Haptic *haptic, struct haptic_effect *effect); | ||
| 44 | extern bool SDL_DINPUT_HapticSetGain(SDL_Haptic *haptic, int gain); | ||
| 45 | extern bool SDL_DINPUT_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter); | ||
| 46 | extern bool SDL_DINPUT_HapticPause(SDL_Haptic *haptic); | ||
| 47 | extern bool SDL_DINPUT_HapticResume(SDL_Haptic *haptic); | ||
| 48 | extern bool SDL_DINPUT_HapticStopAll(SDL_Haptic *haptic); | ||
| 49 | |||
| 50 | // Ends C function definitions when using C++ | ||
| 51 | #ifdef __cplusplus | ||
| 52 | } | ||
| 53 | #endif | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/windows/SDL_windowshaptic.c b/contrib/SDL-3.2.8/src/haptic/windows/SDL_windowshaptic.c new file mode 100644 index 0000000..e21ab91 --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/windows/SDL_windowshaptic.c | |||
| @@ -0,0 +1,369 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifdef SDL_HAPTIC_DINPUT | ||
| 24 | |||
| 25 | #include "../SDL_syshaptic.h" | ||
| 26 | #include "../../joystick/SDL_sysjoystick.h" // For the real SDL_Joystick | ||
| 27 | #include "../../joystick/windows/SDL_windowsjoystick_c.h" // For joystick hwdata | ||
| 28 | #include "../../joystick/windows/SDL_xinputjoystick_c.h" // For xinput rumble | ||
| 29 | |||
| 30 | #include "SDL_windowshaptic_c.h" | ||
| 31 | #include "SDL_dinputhaptic_c.h" | ||
| 32 | |||
| 33 | // Set up for C function definitions, even when using C++ | ||
| 34 | #ifdef __cplusplus | ||
| 35 | extern "C" { | ||
| 36 | #endif | ||
| 37 | |||
| 38 | /* | ||
| 39 | * Internal stuff. | ||
| 40 | */ | ||
| 41 | SDL_hapticlist_item *SDL_hapticlist = NULL; | ||
| 42 | static SDL_hapticlist_item *SDL_hapticlist_tail = NULL; | ||
| 43 | static int numhaptics = 0; | ||
| 44 | |||
| 45 | /* | ||
| 46 | * Initializes the haptic subsystem. | ||
| 47 | */ | ||
| 48 | bool SDL_SYS_HapticInit(void) | ||
| 49 | { | ||
| 50 | JoyStick_DeviceData *device; | ||
| 51 | |||
| 52 | if (!SDL_DINPUT_HapticInit()) { | ||
| 53 | return false; | ||
| 54 | } | ||
| 55 | |||
| 56 | /* The joystick subsystem will usually be initialized before haptics, | ||
| 57 | * so the initial HapticMaybeAddDevice() calls from the joystick | ||
| 58 | * subsystem will arrive too early to create haptic devices. We will | ||
| 59 | * invoke those callbacks again here to pick up any joysticks that | ||
| 60 | * were added prior to haptics initialization. */ | ||
| 61 | for (device = SYS_Joystick; device; device = device->pNext) { | ||
| 62 | SDL_DINPUT_HapticMaybeAddDevice(&device->dxdevice); | ||
| 63 | } | ||
| 64 | |||
| 65 | return true; | ||
| 66 | } | ||
| 67 | |||
| 68 | bool SDL_SYS_AddHapticDevice(SDL_hapticlist_item *item) | ||
| 69 | { | ||
| 70 | if (!SDL_hapticlist_tail) { | ||
| 71 | SDL_hapticlist = SDL_hapticlist_tail = item; | ||
| 72 | } else { | ||
| 73 | SDL_hapticlist_tail->next = item; | ||
| 74 | SDL_hapticlist_tail = item; | ||
| 75 | } | ||
| 76 | |||
| 77 | // Device has been added. | ||
| 78 | ++numhaptics; | ||
| 79 | |||
| 80 | return true; | ||
| 81 | } | ||
| 82 | |||
| 83 | bool SDL_SYS_RemoveHapticDevice(SDL_hapticlist_item *prev, SDL_hapticlist_item *item) | ||
| 84 | { | ||
| 85 | const bool result = item->haptic ? true : false; | ||
| 86 | if (prev) { | ||
| 87 | prev->next = item->next; | ||
| 88 | } else { | ||
| 89 | SDL_assert(SDL_hapticlist == item); | ||
| 90 | SDL_hapticlist = item->next; | ||
| 91 | } | ||
| 92 | if (item == SDL_hapticlist_tail) { | ||
| 93 | SDL_hapticlist_tail = prev; | ||
| 94 | } | ||
| 95 | --numhaptics; | ||
| 96 | // !!! TODO: Send a haptic remove event? | ||
| 97 | SDL_free(item); | ||
| 98 | return result; | ||
| 99 | } | ||
| 100 | |||
| 101 | int SDL_SYS_NumHaptics(void) | ||
| 102 | { | ||
| 103 | return numhaptics; | ||
| 104 | } | ||
| 105 | |||
| 106 | static SDL_hapticlist_item *HapticByDevIndex(int device_index) | ||
| 107 | { | ||
| 108 | SDL_hapticlist_item *item = SDL_hapticlist; | ||
| 109 | |||
| 110 | if ((device_index < 0) || (device_index >= numhaptics)) { | ||
| 111 | return NULL; | ||
| 112 | } | ||
| 113 | |||
| 114 | while (device_index > 0) { | ||
| 115 | SDL_assert(item != NULL); | ||
| 116 | --device_index; | ||
| 117 | item = item->next; | ||
| 118 | } | ||
| 119 | return item; | ||
| 120 | } | ||
| 121 | |||
| 122 | static SDL_hapticlist_item *HapticByInstanceID(SDL_HapticID instance_id) | ||
| 123 | { | ||
| 124 | SDL_hapticlist_item *item; | ||
| 125 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 126 | if (instance_id == item->instance_id) { | ||
| 127 | return item; | ||
| 128 | } | ||
| 129 | } | ||
| 130 | return NULL; | ||
| 131 | } | ||
| 132 | |||
| 133 | SDL_HapticID SDL_SYS_HapticInstanceID(int index) | ||
| 134 | { | ||
| 135 | SDL_hapticlist_item *item = HapticByDevIndex(index); | ||
| 136 | if (item) { | ||
| 137 | return item->instance_id; | ||
| 138 | } | ||
| 139 | return 0; | ||
| 140 | } | ||
| 141 | |||
| 142 | /* | ||
| 143 | * Return the name of a haptic device, does not need to be opened. | ||
| 144 | */ | ||
| 145 | const char *SDL_SYS_HapticName(int index) | ||
| 146 | { | ||
| 147 | SDL_hapticlist_item *item = HapticByDevIndex(index); | ||
| 148 | return item->name; | ||
| 149 | } | ||
| 150 | |||
| 151 | /* | ||
| 152 | * Opens a haptic device for usage. | ||
| 153 | */ | ||
| 154 | bool SDL_SYS_HapticOpen(SDL_Haptic *haptic) | ||
| 155 | { | ||
| 156 | SDL_hapticlist_item *item = HapticByInstanceID(haptic->instance_id); | ||
| 157 | return SDL_DINPUT_HapticOpen(haptic, item); | ||
| 158 | } | ||
| 159 | |||
| 160 | /* | ||
| 161 | * Opens a haptic device from first mouse it finds for usage. | ||
| 162 | */ | ||
| 163 | int SDL_SYS_HapticMouse(void) | ||
| 164 | { | ||
| 165 | #ifdef SDL_HAPTIC_DINPUT | ||
| 166 | SDL_hapticlist_item *item; | ||
| 167 | int index = 0; | ||
| 168 | |||
| 169 | // Grab the first mouse haptic device we find. | ||
| 170 | for (item = SDL_hapticlist; item; item = item->next) { | ||
| 171 | if (item->capabilities.dwDevType == DI8DEVCLASS_POINTER) { | ||
| 172 | return index; | ||
| 173 | } | ||
| 174 | ++index; | ||
| 175 | } | ||
| 176 | #endif // SDL_HAPTIC_DINPUT | ||
| 177 | return -1; | ||
| 178 | } | ||
| 179 | |||
| 180 | /* | ||
| 181 | * Checks to see if a joystick has haptic features. | ||
| 182 | */ | ||
| 183 | bool SDL_SYS_JoystickIsHaptic(SDL_Joystick *joystick) | ||
| 184 | { | ||
| 185 | if (joystick->driver != &SDL_WINDOWS_JoystickDriver) { | ||
| 186 | return false; | ||
| 187 | } | ||
| 188 | if (joystick->hwdata->Capabilities.dwFlags & DIDC_FORCEFEEDBACK) { | ||
| 189 | return true; | ||
| 190 | } | ||
| 191 | return false; | ||
| 192 | } | ||
| 193 | |||
| 194 | /* | ||
| 195 | * Checks to see if the haptic device and joystick are in reality the same. | ||
| 196 | */ | ||
| 197 | bool SDL_SYS_JoystickSameHaptic(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 198 | { | ||
| 199 | if (joystick->driver != &SDL_WINDOWS_JoystickDriver) { | ||
| 200 | return false; | ||
| 201 | } | ||
| 202 | return SDL_DINPUT_JoystickSameHaptic(haptic, joystick); | ||
| 203 | } | ||
| 204 | |||
| 205 | /* | ||
| 206 | * Opens a SDL_Haptic from a SDL_Joystick. | ||
| 207 | */ | ||
| 208 | bool SDL_SYS_HapticOpenFromJoystick(SDL_Haptic *haptic, SDL_Joystick *joystick) | ||
| 209 | { | ||
| 210 | SDL_assert(joystick->driver == &SDL_WINDOWS_JoystickDriver); | ||
| 211 | |||
| 212 | return SDL_DINPUT_HapticOpenFromJoystick(haptic, joystick); | ||
| 213 | } | ||
| 214 | |||
| 215 | /* | ||
| 216 | * Closes the haptic device. | ||
| 217 | */ | ||
| 218 | void SDL_SYS_HapticClose(SDL_Haptic *haptic) | ||
| 219 | { | ||
| 220 | if (haptic->hwdata) { | ||
| 221 | |||
| 222 | // Free effects. | ||
| 223 | SDL_free(haptic->effects); | ||
| 224 | haptic->effects = NULL; | ||
| 225 | haptic->neffects = 0; | ||
| 226 | |||
| 227 | // Clean up | ||
| 228 | SDL_DINPUT_HapticClose(haptic); | ||
| 229 | |||
| 230 | // Free | ||
| 231 | SDL_free(haptic->hwdata); | ||
| 232 | haptic->hwdata = NULL; | ||
| 233 | } | ||
| 234 | } | ||
| 235 | |||
| 236 | /* | ||
| 237 | * Clean up after system specific haptic stuff | ||
| 238 | */ | ||
| 239 | void SDL_SYS_HapticQuit(void) | ||
| 240 | { | ||
| 241 | SDL_hapticlist_item *item; | ||
| 242 | SDL_hapticlist_item *next = NULL; | ||
| 243 | |||
| 244 | for (item = SDL_hapticlist; item; item = next) { | ||
| 245 | /* Opened and not closed haptics are leaked, this is on purpose. | ||
| 246 | * Close your haptic devices after usage. */ | ||
| 247 | // !!! FIXME: (...is leaking on purpose a good idea?) - No, of course not. | ||
| 248 | next = item->next; | ||
| 249 | SDL_free(item->name); | ||
| 250 | SDL_free(item); | ||
| 251 | } | ||
| 252 | |||
| 253 | SDL_DINPUT_HapticQuit(); | ||
| 254 | |||
| 255 | numhaptics = 0; | ||
| 256 | SDL_hapticlist = NULL; | ||
| 257 | SDL_hapticlist_tail = NULL; | ||
| 258 | } | ||
| 259 | |||
| 260 | /* | ||
| 261 | * Creates a new haptic effect. | ||
| 262 | */ | ||
| 263 | bool SDL_SYS_HapticNewEffect(SDL_Haptic *haptic, struct haptic_effect *effect, | ||
| 264 | const SDL_HapticEffect *base) | ||
| 265 | { | ||
| 266 | bool result; | ||
| 267 | |||
| 268 | // Alloc the effect. | ||
| 269 | effect->hweffect = (struct haptic_hweffect *) SDL_calloc(1, sizeof(struct haptic_hweffect)); | ||
| 270 | if (!effect->hweffect) { | ||
| 271 | return false; | ||
| 272 | } | ||
| 273 | |||
| 274 | result = SDL_DINPUT_HapticNewEffect(haptic, effect, base); | ||
| 275 | if (!result) { | ||
| 276 | SDL_free(effect->hweffect); | ||
| 277 | effect->hweffect = NULL; | ||
| 278 | } | ||
| 279 | return result; | ||
| 280 | } | ||
| 281 | |||
| 282 | /* | ||
| 283 | * Updates an effect. | ||
| 284 | */ | ||
| 285 | bool SDL_SYS_HapticUpdateEffect(SDL_Haptic *haptic, struct haptic_effect *effect, const SDL_HapticEffect *data) | ||
| 286 | { | ||
| 287 | return SDL_DINPUT_HapticUpdateEffect(haptic, effect, data); | ||
| 288 | } | ||
| 289 | |||
| 290 | /* | ||
| 291 | * Runs an effect. | ||
| 292 | */ | ||
| 293 | bool SDL_SYS_HapticRunEffect(SDL_Haptic *haptic, struct haptic_effect *effect, Uint32 iterations) | ||
| 294 | { | ||
| 295 | return SDL_DINPUT_HapticRunEffect(haptic, effect, iterations); | ||
| 296 | } | ||
| 297 | |||
| 298 | /* | ||
| 299 | * Stops an effect. | ||
| 300 | */ | ||
| 301 | bool SDL_SYS_HapticStopEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 302 | { | ||
| 303 | return SDL_DINPUT_HapticStopEffect(haptic, effect); | ||
| 304 | } | ||
| 305 | |||
| 306 | /* | ||
| 307 | * Frees the effect. | ||
| 308 | */ | ||
| 309 | void SDL_SYS_HapticDestroyEffect(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 310 | { | ||
| 311 | SDL_DINPUT_HapticDestroyEffect(haptic, effect); | ||
| 312 | SDL_free(effect->hweffect); | ||
| 313 | effect->hweffect = NULL; | ||
| 314 | } | ||
| 315 | |||
| 316 | /* | ||
| 317 | * Gets the status of a haptic effect. | ||
| 318 | */ | ||
| 319 | int SDL_SYS_HapticGetEffectStatus(SDL_Haptic *haptic, struct haptic_effect *effect) | ||
| 320 | { | ||
| 321 | return SDL_DINPUT_HapticGetEffectStatus(haptic, effect); | ||
| 322 | } | ||
| 323 | |||
| 324 | /* | ||
| 325 | * Sets the gain. | ||
| 326 | */ | ||
| 327 | bool SDL_SYS_HapticSetGain(SDL_Haptic *haptic, int gain) | ||
| 328 | { | ||
| 329 | return SDL_DINPUT_HapticSetGain(haptic, gain); | ||
| 330 | } | ||
| 331 | |||
| 332 | /* | ||
| 333 | * Sets the autocentering. | ||
| 334 | */ | ||
| 335 | bool SDL_SYS_HapticSetAutocenter(SDL_Haptic *haptic, int autocenter) | ||
| 336 | { | ||
| 337 | return SDL_DINPUT_HapticSetAutocenter(haptic, autocenter); | ||
| 338 | } | ||
| 339 | |||
| 340 | /* | ||
| 341 | * Pauses the device. | ||
| 342 | */ | ||
| 343 | bool SDL_SYS_HapticPause(SDL_Haptic *haptic) | ||
| 344 | { | ||
| 345 | return SDL_DINPUT_HapticPause(haptic); | ||
| 346 | } | ||
| 347 | |||
| 348 | /* | ||
| 349 | * Pauses the device. | ||
| 350 | */ | ||
| 351 | bool SDL_SYS_HapticResume(SDL_Haptic *haptic) | ||
| 352 | { | ||
| 353 | return SDL_DINPUT_HapticResume(haptic); | ||
| 354 | } | ||
| 355 | |||
| 356 | /* | ||
| 357 | * Stops all the playing effects on the device. | ||
| 358 | */ | ||
| 359 | bool SDL_SYS_HapticStopAll(SDL_Haptic *haptic) | ||
| 360 | { | ||
| 361 | return SDL_DINPUT_HapticStopAll(haptic); | ||
| 362 | } | ||
| 363 | |||
| 364 | // Ends C function definitions when using C++ | ||
| 365 | #ifdef __cplusplus | ||
| 366 | } | ||
| 367 | #endif | ||
| 368 | |||
| 369 | #endif // SDL_HAPTIC_DINPUT | ||
diff --git a/contrib/SDL-3.2.8/src/haptic/windows/SDL_windowshaptic_c.h b/contrib/SDL-3.2.8/src/haptic/windows/SDL_windowshaptic_c.h new file mode 100644 index 0000000..c4b6928 --- /dev/null +++ b/contrib/SDL-3.2.8/src/haptic/windows/SDL_windowshaptic_c.h | |||
| @@ -0,0 +1,87 @@ | |||
| 1 | /* | ||
| 2 | Simple DirectMedia Layer | ||
| 3 | Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org> | ||
| 4 | |||
| 5 | This software is provided 'as-is', without any express or implied | ||
| 6 | warranty. In no event will the authors be held liable for any damages | ||
| 7 | arising from the use of this software. | ||
| 8 | |||
| 9 | Permission is granted to anyone to use this software for any purpose, | ||
| 10 | including commercial applications, and to alter it and redistribute it | ||
| 11 | freely, subject to the following restrictions: | ||
| 12 | |||
| 13 | 1. The origin of this software must not be misrepresented; you must not | ||
| 14 | claim that you wrote the original software. If you use this software | ||
| 15 | in a product, an acknowledgment in the product documentation would be | ||
| 16 | appreciated but is not required. | ||
| 17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
| 18 | misrepresented as being the original software. | ||
| 19 | 3. This notice may not be removed or altered from any source distribution. | ||
| 20 | */ | ||
| 21 | #include "SDL_internal.h" | ||
| 22 | |||
| 23 | #ifndef SDL_windowshaptic_c_h_ | ||
| 24 | #define SDL_windowshaptic_c_h_ | ||
| 25 | |||
| 26 | #include "../SDL_syshaptic.h" | ||
| 27 | #include "../../core/windows/SDL_directx.h" | ||
| 28 | #include "../../core/windows/SDL_xinput.h" | ||
| 29 | |||
| 30 | // Set up for C function definitions, even when using C++ | ||
| 31 | #ifdef __cplusplus | ||
| 32 | extern "C" { | ||
| 33 | #endif | ||
| 34 | |||
| 35 | /* | ||
| 36 | * Haptic system hardware data. | ||
| 37 | */ | ||
| 38 | struct haptic_hwdata | ||
| 39 | { | ||
| 40 | #ifdef SDL_HAPTIC_DINPUT | ||
| 41 | LPDIRECTINPUTDEVICE8 device; | ||
| 42 | #endif | ||
| 43 | DWORD axes[3]; // Axes to use. | ||
| 44 | bool is_joystick; // Device is loaded as joystick. | ||
| 45 | SDL_Thread *thread; | ||
| 46 | SDL_Mutex *mutex; | ||
| 47 | Uint64 stopTicks; | ||
| 48 | SDL_AtomicInt stopThread; | ||
| 49 | }; | ||
| 50 | |||
| 51 | /* | ||
| 52 | * Haptic system effect data. | ||
| 53 | */ | ||
| 54 | #ifdef SDL_HAPTIC_DINPUT | ||
| 55 | struct haptic_hweffect | ||
| 56 | { | ||
| 57 | DIEFFECT effect; | ||
| 58 | LPDIRECTINPUTEFFECT ref; | ||
| 59 | }; | ||
| 60 | #endif | ||
| 61 | |||
| 62 | /* | ||
| 63 | * List of available haptic devices. | ||
| 64 | */ | ||
| 65 | typedef struct SDL_hapticlist_item | ||
| 66 | { | ||
| 67 | SDL_HapticID instance_id; | ||
| 68 | char *name; | ||
| 69 | SDL_Haptic *haptic; | ||
| 70 | #ifdef SDL_HAPTIC_DINPUT | ||
| 71 | DIDEVICEINSTANCE instance; | ||
| 72 | DIDEVCAPS capabilities; | ||
| 73 | #endif | ||
| 74 | struct SDL_hapticlist_item *next; | ||
| 75 | } SDL_hapticlist_item; | ||
| 76 | |||
| 77 | extern SDL_hapticlist_item *SDL_hapticlist; | ||
| 78 | |||
| 79 | extern bool SDL_SYS_AddHapticDevice(SDL_hapticlist_item *item); | ||
| 80 | extern bool SDL_SYS_RemoveHapticDevice(SDL_hapticlist_item *prev, SDL_hapticlist_item *item); | ||
| 81 | |||
| 82 | // Ends C function definitions when using C++ | ||
| 83 | #ifdef __cplusplus | ||
| 84 | } | ||
| 85 | #endif | ||
| 86 | |||
| 87 | #endif // SDL_windowshaptic_c_h_ | ||
