diff options
Diffstat (limited to 'macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c')
| -rw-r--r-- | macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c | 708 |
1 files changed, 0 insertions, 708 deletions
diff --git a/macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c b/macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c deleted file mode 100644 index af8c39a..0000000 --- a/macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c +++ /dev/null @@ -1,708 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 2008 Edgar Simo - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with this library; if not, write to the Free Software - Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -#include "SDL_syshaptic.h" -#include "SDL_haptic_c.h" -#include "../joystick/SDL_joystick_c.h" /* For SDL_PrivateJoystickValid */ - - -Uint8 SDL_numhaptics = 0; -SDL_Haptic **SDL_haptics = NULL; - - -/* - * Initializes the Haptic devices. - */ -int -SDL_HapticInit(void) -{ - int arraylen; - int status; - - SDL_numhaptics = 0; - status = SDL_SYS_HapticInit(); - if (status >= 0) { - arraylen = (status + 1) * sizeof(*SDL_haptics); - SDL_haptics = (SDL_Haptic **) SDL_malloc(arraylen); - if (SDL_haptics == NULL) { /* Out of memory. */ - SDL_numhaptics = 0; - } else { - SDL_memset(SDL_haptics, 0, arraylen); - SDL_numhaptics = status; - } - status = 0; - } - - return status; -} - - -/* - * Checks to see if the haptic device is valid - */ -static int -ValidHaptic(SDL_Haptic * haptic) -{ - int i; - int valid; - - valid = 0; - if (haptic != NULL) { - for (i = 0; i < SDL_numhaptics; i++) { - if (SDL_haptics[i] == haptic) { - valid = 1; - break; - } - } - } - - /* Create the error here. */ - if (valid == 0) { - SDL_SetError("Haptic: Invalid haptic device identifier"); - } - - return valid; -} - - -/* - * Returns the number of available devices. - */ -int -SDL_NumHaptics(void) -{ - return SDL_numhaptics; -} - - -/* - * Gets the name of a Haptic device by index. - */ -const char * -SDL_HapticName(int device_index) -{ - if ((device_index < 0) || (device_index >= SDL_numhaptics)) { - SDL_SetError("Haptic: There are %d haptic devices available", - SDL_numhaptics); - return NULL; - } - return SDL_SYS_HapticName(device_index); -} - - -/* - * Opens a Haptic device. - */ -SDL_Haptic * -SDL_HapticOpen(int device_index) -{ - int i; - SDL_Haptic *haptic; - - if ((device_index < 0) || (device_index >= SDL_numhaptics)) { - SDL_SetError("Haptic: There are %d haptic devices available", - SDL_numhaptics); - return NULL; - } - - /* If the haptic is already open, return it */ - for (i = 0; SDL_haptics[i]; i++) { - if (device_index == SDL_haptics[i]->index) { - haptic = SDL_haptics[i]; - ++haptic->ref_count; - return haptic; - } - } - - /* Create the haptic device */ - haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic)); - if (haptic == NULL) { - SDL_OutOfMemory(); - return NULL; - } - - /* Initialize the haptic device */ - SDL_memset(haptic, 0, (sizeof *haptic)); - haptic->index = device_index; - if (SDL_SYS_HapticOpen(haptic) < 0) { - SDL_free(haptic); - return NULL; - } - - /* Disable autocenter and set gain to max. */ - if (haptic->supported & SDL_HAPTIC_GAIN) - SDL_HapticSetGain(haptic, 100); - if (haptic->supported & SDL_HAPTIC_AUTOCENTER) - SDL_HapticSetAutocenter(haptic, 0); - - /* Add haptic to list */ - ++haptic->ref_count; - for (i = 0; SDL_haptics[i]; i++) - /* Skip to next haptic */ ; - SDL_haptics[i] = haptic; - - return haptic; -} - - -/* - * Returns 1 if the device has been opened. - */ -int -SDL_HapticOpened(int device_index) -{ - int i, opened; - - opened = 0; - for (i = 0; SDL_haptics[i]; i++) { - if (SDL_haptics[i]->index == (Uint8) device_index) { - opened = 1; - break; - } - } - return opened; -} - - -/* - * Returns the index to a haptic device. - */ -int -SDL_HapticIndex(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->index; -} - - -/* - * Returns SDL_TRUE if mouse is haptic, SDL_FALSE if it isn't. - */ -int -SDL_MouseIsHaptic(void) -{ - if (SDL_SYS_HapticMouse() < 0) - return SDL_FALSE; - return SDL_TRUE; -} - - -/* - * Returns the haptic device if mouse is haptic or NULL elsewise. - */ -SDL_Haptic * -SDL_HapticOpenFromMouse(void) -{ - int device_index; - - device_index = SDL_SYS_HapticMouse(); - - if (device_index < 0) { - SDL_SetError("Haptic: Mouse isn't a haptic device."); - return NULL; - } - - return SDL_HapticOpen(device_index); -} - - -/* - * Returns SDL_TRUE if joystick has haptic features. - */ -int -SDL_JoystickIsHaptic(SDL_Joystick * joystick) -{ - int ret; - - /* Must be a valid joystick */ - if (!SDL_PrivateJoystickValid(&joystick)) { - return -1; - } - - ret = SDL_SYS_JoystickIsHaptic(joystick); - - if (ret > 0) - return SDL_TRUE; - else if (ret == 0) - return SDL_FALSE; - else - return -1; -} - - -/* - * Opens a haptic device from a joystick. - */ -SDL_Haptic * -SDL_HapticOpenFromJoystick(SDL_Joystick * joystick) -{ - int i; - SDL_Haptic *haptic; - - /* Must be a valid joystick */ - if (!SDL_PrivateJoystickValid(&joystick)) { - SDL_SetError("Haptic: Joystick isn't valid."); - return NULL; - } - - /* Joystick must be haptic */ - if (SDL_SYS_JoystickIsHaptic(joystick) <= 0) { - SDL_SetError("Haptic: Joystick isn't a haptic device."); - return NULL; - } - - /* Check to see if joystick's haptic is already open */ - for (i = 0; SDL_haptics[i]; i++) { - if (SDL_SYS_JoystickSameHaptic(SDL_haptics[i], joystick)) { - haptic = SDL_haptics[i]; - ++haptic->ref_count; - return haptic; - } - } - - /* Create the haptic device */ - haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic)); - if (haptic == NULL) { - SDL_OutOfMemory(); - return NULL; - } - - /* Initialize the haptic device */ - SDL_memset(haptic, 0, sizeof(SDL_Haptic)); - if (SDL_SYS_HapticOpenFromJoystick(haptic, joystick) < 0) { - SDL_free(haptic); - return NULL; - } - - /* Add haptic to list */ - ++haptic->ref_count; - for (i = 0; SDL_haptics[i]; i++) - /* Skip to next haptic */ ; - SDL_haptics[i] = haptic; - - return haptic; -} - - -/* - * Closes a SDL_Haptic device. - */ -void -SDL_HapticClose(SDL_Haptic * haptic) -{ - int i; - - /* Must be valid */ - if (!ValidHaptic(haptic)) { - return; - } - - /* Check if it's still in use */ - if (--haptic->ref_count < 0) { - return; - } - - /* Close it, properly removing effects if needed */ - for (i = 0; i < haptic->neffects; i++) { - if (haptic->effects[i].hweffect != NULL) { - SDL_HapticDestroyEffect(haptic, i); - } - } - SDL_SYS_HapticClose(haptic); - - /* Remove from the list */ - for (i = 0; SDL_haptics[i]; ++i) { - if (haptic == SDL_haptics[i]) { - SDL_haptics[i] = NULL; - SDL_memcpy(&SDL_haptics[i], &SDL_haptics[i + 1], - (SDL_numhaptics - i) * sizeof(haptic)); - break; - } - } - - /* Free */ - SDL_free(haptic); -} - -/* - * Cleans up after the subsystem. - */ -void -SDL_HapticQuit(void) -{ - SDL_SYS_HapticQuit(); - if (SDL_haptics != NULL) { - SDL_free(SDL_haptics); - SDL_haptics = NULL; - } - SDL_numhaptics = 0; -} - -/* - * Returns the number of effects a haptic device has. - */ -int -SDL_HapticNumEffects(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->neffects; -} - - -/* - * Returns the number of effects a haptic device can play. - */ -int -SDL_HapticNumEffectsPlaying(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->nplaying; -} - - -/* - * Returns supported effects by the device. - */ -unsigned int -SDL_HapticQuery(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->supported; -} - - -/* - * Returns the number of axis on the device. - */ -int -SDL_HapticNumAxes(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return haptic->naxes; -} - -/* - * Checks to see if the device can support the effect. - */ -int -SDL_HapticEffectSupported(SDL_Haptic * haptic, SDL_HapticEffect * effect) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & effect->type) != 0) - return SDL_TRUE; - return SDL_FALSE; -} - -/* - * Creates a new haptic effect. - */ -int -SDL_HapticNewEffect(SDL_Haptic * haptic, SDL_HapticEffect * effect) -{ - int i; - - /* Check for device validity. */ - if (!ValidHaptic(haptic)) { - return -1; - } - - /* Check to see if effect is supported */ - if (SDL_HapticEffectSupported(haptic, effect) == SDL_FALSE) { - SDL_SetError("Haptic: Effect not supported by haptic device."); - return -1; - } - - /* See if there's a free slot */ - for (i = 0; i < haptic->neffects; i++) { - if (haptic->effects[i].hweffect == NULL) { - - /* Now let the backend create the real effect */ - if (SDL_SYS_HapticNewEffect(haptic, &haptic->effects[i], effect) - != 0) { - return -1; /* Backend failed to create effect */ - } - - SDL_memcpy(&haptic->effects[i].effect, effect, - sizeof(SDL_HapticEffect)); - return i; - } - } - - SDL_SetError("Haptic: Device has no free space left."); - return -1; -} - -/* - * Checks to see if an effect is valid. - */ -static int -ValidEffect(SDL_Haptic * haptic, int effect) -{ - if ((effect < 0) || (effect >= haptic->neffects)) { - SDL_SetError("Haptic: Invalid effect identifier."); - return 0; - } - return 1; -} - -/* - * Updates an effect. - */ -int -SDL_HapticUpdateEffect(SDL_Haptic * haptic, int effect, - SDL_HapticEffect * data) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return -1; - } - - /* Can't change type dynamically. */ - if (data->type != haptic->effects[effect].effect.type) { - SDL_SetError("Haptic: Updating effect type is illegal."); - return -1; - } - - /* Updates the effect */ - if (SDL_SYS_HapticUpdateEffect(haptic, &haptic->effects[effect], data) < - 0) { - return -1; - } - - SDL_memcpy(&haptic->effects[effect].effect, data, - sizeof(SDL_HapticEffect)); - return 0; -} - - -/* - * Runs the haptic effect on the device. - */ -int -SDL_HapticRunEffect(SDL_Haptic * haptic, int effect, Uint32 iterations) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return -1; - } - - /* Run the effect */ - if (SDL_SYS_HapticRunEffect(haptic, &haptic->effects[effect], iterations) - < 0) { - return -1; - } - - return 0; -} - -/* - * Stops the haptic effect on the device. - */ -int -SDL_HapticStopEffect(SDL_Haptic * haptic, int effect) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return -1; - } - - /* Stop the effect */ - if (SDL_SYS_HapticStopEffect(haptic, &haptic->effects[effect]) < 0) { - return -1; - } - - return 0; -} - -/* - * Gets rid of a haptic effect. - */ -void -SDL_HapticDestroyEffect(SDL_Haptic * haptic, int effect) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return; - } - - /* Not allocated */ - if (haptic->effects[effect].hweffect == NULL) { - return; - } - - SDL_SYS_HapticDestroyEffect(haptic, &haptic->effects[effect]); -} - -/* - * Gets the status of a haptic effect. - */ -int -SDL_HapticGetEffectStatus(SDL_Haptic * haptic, int effect) -{ - if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_STATUS) == 0) { - SDL_SetError("Haptic: Device does not support status queries."); - return -1; - } - - return SDL_SYS_HapticGetEffectStatus(haptic, &haptic->effects[effect]); -} - -/* - * Sets the global gain of the device. - */ -int -SDL_HapticSetGain(SDL_Haptic * haptic, int gain) -{ - const char *env; - int real_gain, max_gain; - - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_GAIN) == 0) { - SDL_SetError("Haptic: Device does not support setting gain."); - return -1; - } - - if ((gain < 0) || (gain > 100)) { - SDL_SetError("Haptic: Gain must be between 0 and 100."); - return -1; - } - - /* We use the envvar to get the maximum gain. */ - env = SDL_getenv("SDL_HAPTIC_GAIN_MAX"); - if (env != NULL) { - max_gain = SDL_atoi(env); - - /* Check for sanity. */ - if (max_gain < 0) - max_gain = 0; - else if (max_gain > 100) - max_gain = 100; - - /* We'll scale it linearly with SDL_HAPTIC_GAIN_MAX */ - real_gain = (gain * max_gain) / 100; - } else { - real_gain = gain; - } - - if (SDL_SYS_HapticSetGain(haptic, real_gain) < 0) { - return -1; - } - - return 0; -} - -/* - * Makes the device autocenter, 0 disables. - */ -int -SDL_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_AUTOCENTER) == 0) { - SDL_SetError("Haptic: Device does not support setting autocenter."); - return -1; - } - - if ((autocenter < 0) || (autocenter > 100)) { - SDL_SetError("Haptic: Autocenter must be between 0 and 100."); - return -1; - } - - if (SDL_SYS_HapticSetAutocenter(haptic, autocenter) < 0) { - return -1; - } - - return 0; -} - -/* - * Pauses the haptic device. - */ -int -SDL_HapticPause(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_PAUSE) == 0) { - SDL_SetError("Haptic: Device does not support setting pausing."); - return -1; - } - - return SDL_SYS_HapticPause(haptic); -} - -/* - * Unpauses the haptic device. - */ -int -SDL_HapticUnpause(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - if ((haptic->supported & SDL_HAPTIC_PAUSE) == 0) { - return 0; /* Not going to be paused, so we pretend it's unpaused. */ - } - - return SDL_SYS_HapticUnpause(haptic); -} - -/* - * Stops all the currently playing effects. - */ -int -SDL_HapticStopAll(SDL_Haptic * haptic) -{ - if (!ValidHaptic(haptic)) { - return -1; - } - - return SDL_SYS_HapticStopAll(haptic); -} |