From ef79bbde537d6b9c745a7d86cb9df1d04c35590d Mon Sep 17 00:00:00 2001 From: PCSX* teams Date: Tue, 16 Nov 2010 14:15:22 +0200 Subject: pcsxr-1.9.92 --- macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c | 708 +++++++++++++++++++++ 1 file changed, 708 insertions(+) create mode 100644 macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c (limited to 'macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c') diff --git a/macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c b/macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c new file mode 100644 index 0000000..af8c39a --- /dev/null +++ b/macosx/plugins/DFInput/SDL/src/haptic/SDL_haptic.c @@ -0,0 +1,708 @@ +/* + 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); +} -- cgit v1.2.3