src/haptic/linux/SDL_syshaptic.c
author Edgar Simo <bobbens@gmail.com>
Sun, 24 Aug 2008 17:41:22 +0000
branchgsoc2008_force_feedback
changeset 2647 e871cff1e3d2
parent 2646 9408be170bff
permissions -rw-r--r--
Fixed linux implementation of SDL_HapticStopAll.
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 2008 Edgar Simo
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#ifdef SDL_HAPTIC_LINUX
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#include "SDL_haptic.h"
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#include "../SDL_syshaptic.h"
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#include "SDL_joystick.h"
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#include "../../joystick/SDL_sysjoystick.h" /* For the real SDL_Joystick */
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#include "../../joystick/linux/SDL_sysjoystick_c.h" /* For joystick hwdata */ 
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#include <unistd.h> /* close */
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#include <linux/input.h> /* Force feedback linux stuff. */
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#include <fcntl.h> /* O_RDWR */
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#include <limits.h> /* INT_MAX */
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#include <errno.h> /* errno, strerror */
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#include <math.h> /* atan2 */
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/* Just in case. */
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#ifndef M_PI
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#  define M_PI     3.14159265358979323846
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#endif
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#define MAX_HAPTICS  32 /* It's doubtful someone has more then 32 evdev */
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/*
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 * List of available haptic devices.
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 */
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static struct
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{
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   char *fname; /* Dev path name (like /dev/input/event1) */
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   SDL_Haptic *haptic; /* Assosciated haptic. */
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} SDL_hapticlist[MAX_HAPTICS];
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/*
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 * Haptic system hardware data.
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 */
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struct haptic_hwdata
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{
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   int fd; /* File descriptor of the device. */
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   char *fname; /* Points to the name in SDL_hapticlist. */
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};
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/*
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 * Haptic system effect data.
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 */
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struct haptic_hweffect
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{
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   struct ff_effect effect; /* The linux kernel effect structure. */
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};
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#define test_bit(nr, addr) \
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   (((1UL << ((nr) & 31)) & (((const unsigned int *) addr)[(nr) >> 5])) != 0)
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#define EV_TEST(ev,f) \
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   if (test_bit((ev), features)) ret |= (f);
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/*
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 * Test whether a device has haptic properties.
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 * Returns available properties or 0 if there are none.
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 */
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static int
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EV_IsHaptic(int fd)
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{
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   unsigned int ret;
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   unsigned long features[1 + FF_MAX/sizeof(unsigned long)];
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   /* Ask device for what it has. */
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   ret = 0;
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   if (ioctl(fd, EVIOCGBIT(EV_FF, sizeof(features)), features) < 0) {
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      SDL_SetError("Haptic: Unable to get device's features: %s", strerror(errno));
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      return -1;
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   }
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   /* Convert supported features to SDL_HAPTIC platform-neutral features. */
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   EV_TEST(FF_CONSTANT,   SDL_HAPTIC_CONSTANT);
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   EV_TEST(FF_SINE,       SDL_HAPTIC_SINE);
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   EV_TEST(FF_SQUARE,     SDL_HAPTIC_SQUARE);
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   EV_TEST(FF_TRIANGLE,   SDL_HAPTIC_TRIANGLE);
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   EV_TEST(FF_SAW_UP,     SDL_HAPTIC_SAWTOOTHUP);
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   EV_TEST(FF_SAW_DOWN,   SDL_HAPTIC_SAWTOOTHDOWN);
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   EV_TEST(FF_RAMP,       SDL_HAPTIC_RAMP);
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   EV_TEST(FF_SPRING,     SDL_HAPTIC_SPRING);
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   EV_TEST(FF_FRICTION,   SDL_HAPTIC_FRICTION);
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   EV_TEST(FF_DAMPER,     SDL_HAPTIC_DAMPER);
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   EV_TEST(FF_INERTIA,    SDL_HAPTIC_INERTIA);
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   EV_TEST(FF_CUSTOM,     SDL_HAPTIC_CUSTOM);
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   EV_TEST(FF_GAIN,       SDL_HAPTIC_GAIN);
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   EV_TEST(FF_AUTOCENTER, SDL_HAPTIC_AUTOCENTER);
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   /* Return what it supports. */
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   return ret;
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}
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/*
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 * Tests whether a device is a mouse or not.
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 */
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static int
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EV_IsMouse(int fd)
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{
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   unsigned long argp[40];
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   /* Ask for supported features. */
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   if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(argp)), argp) < 0) {
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      return -1;
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   }
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   /* Currently we only test for BTN_MOUSE which can give fake positives. */
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   if (test_bit(BTN_MOUSE,argp) != 0) {
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      return 1;
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   }
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   return 0;
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}
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/*
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 * Initializes the haptic subsystem by finding available devices.
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 */
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int
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SDL_SYS_HapticInit(void)
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{
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   const char joydev_pattern[] = "/dev/input/event%d";
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   dev_t dev_nums[MAX_HAPTICS];
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   char path[PATH_MAX];
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   struct stat sb;
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   int fd;
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   int i, j, k;
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   int duplicate;
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   int numhaptics;
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   numhaptics = 0;
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   /* 
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    * Limit amount of checks to MAX_HAPTICS since we may or may not have
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    * permission to some or all devices.
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    */
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   i = 0;
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   for (j = 0; j < MAX_HAPTICS; ++j) {
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      snprintf(path, PATH_MAX, joydev_pattern, i++);
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      /* check to see if file exists */
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      if (stat(path,&sb) != 0)
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         break;
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      /* check for duplicates */
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      duplicate = 0;
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      for (k = 0; (k < numhaptics) && !duplicate; ++k) {
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         if (sb.st_rdev == dev_nums[k]) {
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            duplicate = 1;
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         }                                                     
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      }                                                         
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      if (duplicate) {
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         continue;
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      }
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      /* try to open */
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      fd = open(path, O_RDWR, 0);
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      if (fd < 0) continue;
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#ifdef DEBUG_INPUT_EVENTS
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      printf("Checking %s\n", path);
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#endif          
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      /* see if it works */
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      if (EV_IsHaptic(fd) > 0) {
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         SDL_hapticlist[numhaptics].fname = SDL_strdup(path);
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         SDL_hapticlist[numhaptics].haptic = NULL;
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         dev_nums[numhaptics] = sb.st_rdev;
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         ++numhaptics;
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      }
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      close(fd);
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   }
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   return numhaptics;
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}
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/*
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 * Gets the name from a file descriptor.
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 */
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static const char *
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SDL_SYS_HapticNameFromFD(int fd)
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{
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   static char namebuf[128];
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   /* We use the evdev name ioctl. */
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   if (ioctl(fd, EVIOCGNAME(sizeof(namebuf)), namebuf) <= 0) {
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      return NULL;
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   }
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   216
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   return namebuf;
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}
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   220
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   221
/*
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 * Return the name of a haptic device, does not need to be opened.
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 */
2472
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const char *
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   225
SDL_SYS_HapticName(int index)
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{
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   int fd;
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   const char *name;
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   229
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   230
   /* Open the haptic device. */
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   231
   name = NULL;
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   fd = open(SDL_hapticlist[index].fname, O_RDONLY, 0);
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   233
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   234
   if (fd >= 0) {
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   235
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1a55848ce198 Better handling of opening haptics from joysticks.
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   236
      name = SDL_SYS_HapticNameFromFD(fd);
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   237
      if (name==NULL) {
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ef147ee4896c Improved some ioctl handling.
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   238
         /* No name found, return device character device */
2472
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   239
         name = SDL_hapticlist[index].fname;
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   240
      }
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   241
   }
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   242
   close(fd);
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   243
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   244
   return name;
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   245
}
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   246
3f73c88c9abb First commit of the SDL_haptic subsystem.
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   247
2475
4b874e3a3a2c Some code cleanup.
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   248
/*
2490
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   249
 * Opens the haptic device from the file descriptor.
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   250
 */
2490
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   251
static int
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   252
SDL_SYS_HapticOpenFromFD(SDL_Haptic * haptic, int fd)
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   253
{
2524
1a55848ce198 Better handling of opening haptics from joysticks.
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   254
   const char *name;
1a55848ce198 Better handling of opening haptics from joysticks.
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   255
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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   256
   /* Allocate the hwdata */
242d8a668ebb * Implemented opening and closing of haptic devices.
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   257
   haptic->hwdata = (struct haptic_hwdata *)
2477
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   258
         SDL_malloc(sizeof(*haptic->hwdata));
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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   259
   if (haptic->hwdata == NULL) {
242d8a668ebb * Implemented opening and closing of haptic devices.
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   260
      SDL_OutOfMemory();
2477
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   261
      goto open_err;
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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   262
   }
242d8a668ebb * Implemented opening and closing of haptic devices.
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   263
   SDL_memset(haptic->hwdata, 0, sizeof(*haptic->hwdata));
2512
ef147ee4896c Improved some ioctl handling.
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   264
2524
1a55848ce198 Better handling of opening haptics from joysticks.
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   265
   /* Set the data. */
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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   266
   haptic->hwdata->fd = fd;
2478
4fd783e0f34b Added query functions for haptic devices.
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   267
   haptic->supported = EV_IsHaptic(fd);
2523
366d84fdf8d1 Haptic subsystem handles haptic axes now.
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   268
   haptic->naxes = 2; /* Hardcoded for now, not sure if it's possible to find out. */
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   269
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   270
   /* Set the effects */
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   271
   if (ioctl(fd, EVIOCGEFFECTS, &haptic->neffects) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
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   272
      SDL_SetError("Haptic: Unable to query device memory: %s", strerror(errno));
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   273
      goto open_err;
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   274
   }
2515
030fc4375e63 Added SDL_HapticNumEffectsPlaying().
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   275
   haptic->nplaying = haptic->neffects; /* Linux makes no distinction. */
2477
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   276
   haptic->effects = (struct haptic_effect *)
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parents: 2476
diff changeset
   277
         SDL_malloc(sizeof(struct haptic_effect) * haptic->neffects);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
   278
   if (haptic->effects == NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   279
      SDL_OutOfMemory();
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
   280
      goto open_err;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
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parents: 2476
diff changeset
   281
   }
2483
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
   282
   /* Clear the memory */
9d52368ebcf5 Setting effects memory to 0.
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parents: 2482
diff changeset
   283
   SDL_memset(haptic->effects, 0,
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   284
         sizeof(struct haptic_effect) * haptic->neffects);
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   285
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   286
   return 0;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   287
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   288
   /* Error handling */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   289
open_err:
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   290
   close(fd);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   291
   if (haptic->hwdata != NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   292
      free(haptic->hwdata);
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   293
      haptic->hwdata = NULL;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   294
   }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   295
   return -1;
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   296
}
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   297
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   298
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   299
/*
2490
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
   300
 * Opens a haptic device for usage.
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
   301
 */
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
   302
int
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
   303
SDL_SYS_HapticOpen(SDL_Haptic * haptic)
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   304
{
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   305
   int fd;
2524
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   306
   int ret;
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   307
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   308
   /* Open the character device */
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   309
   fd = open(SDL_hapticlist[haptic->index].fname, O_RDWR, 0);
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   310
   if (fd < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   311
      SDL_SetError("Haptic: Unable to open %s: %s",
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
   312
            SDL_hapticlist[haptic->index], strerror(errno));
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   313
      return -1;
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   314
   }
2524
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   315
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   316
   /* Try to create the haptic. */
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   317
   ret =  SDL_SYS_HapticOpenFromFD(haptic,fd); /* Already closes on error. */
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   318
   if (ret < 0) {
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   319
      return -1;
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   320
   }
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   321
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   322
   /* Set the fname. */
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   323
   haptic->hwdata->fname = SDL_hapticlist[haptic->index].fname;
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   324
   return 0;
2512
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   325
}
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   326
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   327
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   328
/*
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   329
 * Opens a haptic device from first mouse it finds for usage.
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   330
 */
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   331
int
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   332
SDL_SYS_HapticMouse(void)
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   333
{
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   334
   int fd;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   335
   int i;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   336
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   337
   for (i=0; i<SDL_numhaptics; i++) {
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   338
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   339
      /* Open the device. */
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   340
      fd = open(SDL_hapticlist[i].fname, O_RDWR, 0);
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   341
      if (fd < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   342
         SDL_SetError("Haptic: Unable to open %s: %s",
2512
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   343
               SDL_hapticlist[i], strerror(errno));
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   344
         return -1;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   345
      }
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   346
2644
ef0ba67154c1 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2635
diff changeset
   347
      /* Is it a mouse? */
2512
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   348
      if (EV_IsMouse(fd)) {
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   349
         close(fd);
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   350
         return i;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   351
      }
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   352
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   353
      close(fd);
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   354
   }
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   355
   
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   356
   return -1;
ef147ee4896c Improved some ioctl handling.
Edgar Simo <bobbens@gmail.com>
parents: 2511
diff changeset
   357
}
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   358
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   359
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   360
/*
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   361
 * Checks to see if a joystick has haptic features.
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   362
 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   363
int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   364
SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick)
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   365
{
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   366
   return EV_IsHaptic(joystick->hwdata->fd);
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   367
}
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   368
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   369
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   370
/*
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   371
 * Checks to see if the haptic device and joystick and in reality the same.
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   372
 */
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   373
int
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   374
SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, SDL_Joystick * joystick)
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   375
{
2524
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   376
   /* We are assuming linux is using evdev which should trump the old
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   377
    * joystick methods. */
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   378
   if (SDL_strcmp(joystick->hwdata->fname,haptic->hwdata->fname)==0) {
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   379
      return 1;
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   380
   }
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   381
   return 0;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   382
}
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   383
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   384
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   385
/*
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   386
 * Opens a SDL_Haptic from a SDL_Joystick.
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   387
 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   388
int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   389
SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, SDL_Joystick * joystick)
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   390
{
2524
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   391
   int i;
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   392
   int fd;
2524
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   393
   int ret;
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   394
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   395
   /* Find the joystick in the haptic list. */
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   396
   for (i=0; i<MAX_HAPTICS; i++) {
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   397
      if (SDL_hapticlist[i].fname != NULL) {
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   398
         if (SDL_strcmp(SDL_hapticlist[i].fname, joystick->hwdata->fname)==0) {
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   399
            haptic->index = i;
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   400
         }
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   401
      }
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   402
   }
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   403
2490
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
   404
   fd = open(joystick->hwdata->fname, O_RDWR, 0);
2524
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   405
   ret =  SDL_SYS_HapticOpenFromFD(haptic,fd); /* Already closes on error. */
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   406
   if (ret < 0) {
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   407
      return -1;
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   408
   }
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   409
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   410
   haptic->hwdata->fname = SDL_hapticlist[haptic->index].fname;
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   411
   return 0;
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   412
}
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   413
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   414
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
   415
/*
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   416
 * Closes the haptic device.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   417
 */
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   418
void
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   419
SDL_SYS_HapticClose(SDL_Haptic * haptic)
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   420
{
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   421
   if (haptic->hwdata) {
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   422
2561
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c.
Edgar Simo <bobbens@gmail.com>
parents: 2556
diff changeset
   423
      /* Free effects. */
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c.
Edgar Simo <bobbens@gmail.com>
parents: 2556
diff changeset
   424
      SDL_free(haptic->effects);
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c.
Edgar Simo <bobbens@gmail.com>
parents: 2556
diff changeset
   425
      haptic->effects = NULL;
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c.
Edgar Simo <bobbens@gmail.com>
parents: 2556
diff changeset
   426
      haptic->neffects = 0;
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c.
Edgar Simo <bobbens@gmail.com>
parents: 2556
diff changeset
   427
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   428
      /* Clean up */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   429
      close(haptic->hwdata->fd);
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   430
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   431
      /* Free */
2561
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c.
Edgar Simo <bobbens@gmail.com>
parents: 2556
diff changeset
   432
      SDL_free(haptic->hwdata);                                           
3696b9ce8a37 Correctness patch, it's up to the SDL_haptic.c to clean up effects, not SDL_syshaptic.c.
Edgar Simo <bobbens@gmail.com>
parents: 2556
diff changeset
   433
      haptic->hwdata = NULL;  
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
   434
   }
2524
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   435
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   436
   /* Clear the rest. */
1a55848ce198 Better handling of opening haptics from joysticks.
Edgar Simo <bobbens@gmail.com>
parents: 2523
diff changeset
   437
   SDL_memset(haptic, 0, sizeof(SDL_Haptic));
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   438
}
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   439
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
   440
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   441
/* 
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   442
 * Clean up after system specific haptic stuff
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   443
 */
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   444
void
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   445
SDL_SYS_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   446
{
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   447
   int i;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   448
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   449
   for (i=0; SDL_hapticlist[i].fname != NULL; i++) {
2530
22ce87690b41 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2526
diff changeset
   450
      /* Opened and not closed haptics are leaked, this is on purpose.
22ce87690b41 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2526
diff changeset
   451
       * Close your haptic devices after usage. */
22ce87690b41 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2526
diff changeset
   452
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   453
      SDL_free(SDL_hapticlist[i].fname);
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   454
   }
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   455
   SDL_hapticlist[0].fname = NULL;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   456
}
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   457
2556
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   458
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   459
/*
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   460
 * Converts an SDL button to a ff_trigger button.
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   461
 */
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   462
static Uint16
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   463
SDL_SYS_ToButton( Uint16 button )
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   464
{
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   465
   Uint16 ff_button;
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   466
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   467
   ff_button = 0;
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   468
2644
ef0ba67154c1 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2635
diff changeset
   469
   /*
ef0ba67154c1 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2635
diff changeset
   470
    * Not sure what the proper syntax is because this actually isn't implemented
ef0ba67154c1 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2635
diff changeset
   471
    * in the current kernel from what I've seen (2.6.26).
ef0ba67154c1 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2635
diff changeset
   472
    */
2556
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   473
   if (button != 0) {
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   474
      ff_button = BTN_GAMEPAD + button - 1;
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   475
   }
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   476
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   477
   return ff_button;
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   478
}
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   479
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   480
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   481
/*
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   482
 * Returns the ff_effect usable direction from a SDL_HapticDirection.
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   483
 */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   484
static Uint16
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   485
SDL_SYS_ToDirection( SDL_HapticDirection * dir )
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   486
{
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   487
   Uint32 tmp;
2511
f12ae0bae468 Fixed bugs in documentation.
Edgar Simo <bobbens@gmail.com>
parents: 2510
diff changeset
   488
   float f; /* Ideally we'd use fixed point math instead of floats... */
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   489
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   490
   switch (dir->type) {
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   491
      case SDL_HAPTIC_POLAR:
2502
5356ca0c36a3 Fixed linux directions being inverted.
Edgar Simo <bobbens@gmail.com>
parents: 2500
diff changeset
   492
         /* Linux directions are inverted. */
5356ca0c36a3 Fixed linux directions being inverted.
Edgar Simo <bobbens@gmail.com>
parents: 2500
diff changeset
   493
         tmp = (((18000 + dir->dir[0]) % 36000) * 0xFFFF) / 36000;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   494
         return (Uint16) tmp;
2523
366d84fdf8d1 Haptic subsystem handles haptic axes now.
Edgar Simo <bobbens@gmail.com>
parents: 2519
diff changeset
   495
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   496
      case SDL_HAPTIC_CARTESIAN:
2511
f12ae0bae468 Fixed bugs in documentation.
Edgar Simo <bobbens@gmail.com>
parents: 2510
diff changeset
   497
         /* We must invert "x" and "y" to go clockwise. */
2510
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2503
diff changeset
   498
         f = atan2(dir->dir[0], dir->dir[1]);
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2503
diff changeset
   499
         tmp = (int)(f*18000./M_PI) % 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2503
diff changeset
   500
         tmp = (tmp * 0xFFFF) / 36000;
e6ad7e678fca Implemented SDL_HAPTIC_CARTESIAN on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2503
diff changeset
   501
         return (Uint16) tmp;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   502
2523
366d84fdf8d1 Haptic subsystem handles haptic axes now.
Edgar Simo <bobbens@gmail.com>
parents: 2519
diff changeset
   503
      case SDL_HAPTIC_SPHERICAL:
366d84fdf8d1 Haptic subsystem handles haptic axes now.
Edgar Simo <bobbens@gmail.com>
parents: 2519
diff changeset
   504
         tmp = (36000 - dir->dir[0]) + 27000; /* Convert to polars */
366d84fdf8d1 Haptic subsystem handles haptic axes now.
Edgar Simo <bobbens@gmail.com>
parents: 2519
diff changeset
   505
         tmp = (((18000 + tmp) % 36000) * 0xFFFF) / 36000;
366d84fdf8d1 Haptic subsystem handles haptic axes now.
Edgar Simo <bobbens@gmail.com>
parents: 2519
diff changeset
   506
         return (Uint16) tmp;
366d84fdf8d1 Haptic subsystem handles haptic axes now.
Edgar Simo <bobbens@gmail.com>
parents: 2519
diff changeset
   507
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   508
      default:
2523
366d84fdf8d1 Haptic subsystem handles haptic axes now.
Edgar Simo <bobbens@gmail.com>
parents: 2519
diff changeset
   509
         SDL_SetError("Haptic: Unsupported direction type.");
2634
dbd63c419ba5 Correctness patch my alam.
Edgar Simo <bobbens@gmail.com>
parents: 2561
diff changeset
   510
         return (Uint16)-1;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   511
   }
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   512
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   513
   return 0;
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   514
}
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   515
2556
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   516
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   517
#define  CLAMP(x)    (((x) > 32767) ? 32767 : x)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   518
/*
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   519
 * Initializes the linux effect struct from a haptic_effect.
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   520
 * Values above 32767 (for unsigned) are unspecified so we must clamp.
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   521
 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   522
static int
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   523
SDL_SYS_ToFFEffect( struct ff_effect * dest, SDL_HapticEffect * src )
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   524
{
2526
2d88b82ce781 More documentation.
Edgar Simo <bobbens@gmail.com>
parents: 2524
diff changeset
   525
   Uint32 tmp;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   526
   SDL_HapticConstant *constant;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   527
   SDL_HapticPeriodic *periodic;
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   528
   SDL_HapticCondition *condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   529
   SDL_HapticRamp *ramp;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   530
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   531
   /* Clear up */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   532
   SDL_memset(dest, 0, sizeof(struct ff_effect));
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   533
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   534
   switch (src->type) {
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   535
      case SDL_HAPTIC_CONSTANT:
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   536
         constant = &src->constant;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   537
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   538
         /* Header */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   539
         dest->type = FF_CONSTANT;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   540
         dest->direction = SDL_SYS_ToDirection(&constant->direction);
2634
dbd63c419ba5 Correctness patch my alam.
Edgar Simo <bobbens@gmail.com>
parents: 2561
diff changeset
   541
         if (dest->direction == (Uint16)-1) return -1;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   542
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   543
         /* Replay */
2539
b4c41a7eea04 Properly support INFINITY length haptic effects on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2530
diff changeset
   544
         dest->replay.length = (constant->length == SDL_HAPTIC_INFINITY) ?
b4c41a7eea04 Properly support INFINITY length haptic effects on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2530
diff changeset
   545
               0 : CLAMP(constant->length);
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   546
         dest->replay.delay = CLAMP(constant->delay);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   547
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   548
         /* Trigger */
2556
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   549
         dest->trigger.button = SDL_SYS_ToButton(constant->button);
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   550
         dest->trigger.interval = CLAMP(constant->interval);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   551
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   552
         /* Constant */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   553
         dest->u.constant.level = constant->level;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   554
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   555
         /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   556
         dest->u.constant.envelope.attack_length = CLAMP(constant->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   557
         dest->u.constant.envelope.attack_level = CLAMP(constant->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   558
         dest->u.constant.envelope.fade_length = CLAMP(constant->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   559
         dest->u.constant.envelope.fade_level = CLAMP(constant->fade_level);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   560
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   561
         break;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   562
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   563
      case SDL_HAPTIC_SINE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   564
      case SDL_HAPTIC_SQUARE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   565
      case SDL_HAPTIC_TRIANGLE:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   566
      case SDL_HAPTIC_SAWTOOTHUP:
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   567
      case SDL_HAPTIC_SAWTOOTHDOWN:
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   568
         periodic = &src->periodic;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   569
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   570
         /* Header */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   571
         dest->type = FF_PERIODIC;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   572
         dest->direction = SDL_SYS_ToDirection(&periodic->direction);
2634
dbd63c419ba5 Correctness patch my alam.
Edgar Simo <bobbens@gmail.com>
parents: 2561
diff changeset
   573
         if (dest->direction == (Uint16)-1) return -1;
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   574
         
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   575
         /* Replay */
2539
b4c41a7eea04 Properly support INFINITY length haptic effects on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2530
diff changeset
   576
         dest->replay.length = (periodic->length == SDL_HAPTIC_INFINITY) ? 
b4c41a7eea04 Properly support INFINITY length haptic effects on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2530
diff changeset
   577
               0 : CLAMP(periodic->length);
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   578
         dest->replay.delay = CLAMP(periodic->delay);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   579
         
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   580
         /* Trigger */
2556
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   581
         dest->trigger.button = SDL_SYS_ToButton(periodic->button);
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   582
         dest->trigger.interval = CLAMP(periodic->interval);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   583
         
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   584
         /* Periodic */
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   585
         if (periodic->type == SDL_HAPTIC_SINE)
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   586
            dest->u.periodic.waveform = FF_SINE;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   587
         else if (periodic->type == SDL_HAPTIC_SQUARE)
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   588
            dest->u.periodic.waveform = FF_SQUARE;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   589
         else if (periodic->type == SDL_HAPTIC_TRIANGLE)       
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   590
            dest->u.periodic.waveform = FF_TRIANGLE;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   591
         else if (periodic->type == SDL_HAPTIC_SAWTOOTHUP)       
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   592
            dest->u.periodic.waveform = FF_SAW_UP;
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   593
         else if (periodic->type == SDL_HAPTIC_SAWTOOTHDOWN)       
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   594
            dest->u.periodic.waveform = FF_SAW_DOWN;
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   595
         dest->u.periodic.period = CLAMP(periodic->period);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   596
         dest->u.periodic.magnitude = periodic->magnitude;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   597
         dest->u.periodic.offset = periodic->offset;
2526
2d88b82ce781 More documentation.
Edgar Simo <bobbens@gmail.com>
parents: 2524
diff changeset
   598
         /* Phase is calculated based of offset from period and then clamped. */
2d88b82ce781 More documentation.
Edgar Simo <bobbens@gmail.com>
parents: 2524
diff changeset
   599
         tmp = ((periodic->phase % 36000) * dest->u.periodic.period) / 36000;
2d88b82ce781 More documentation.
Edgar Simo <bobbens@gmail.com>
parents: 2524
diff changeset
   600
         dest->u.periodic.phase = CLAMP(tmp);
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   601
         
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   602
         /* Envelope */
2481
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   603
         dest->u.periodic.envelope.attack_length = CLAMP(periodic->attack_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   604
         dest->u.periodic.envelope.attack_level = CLAMP(periodic->attack_level);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   605
         dest->u.periodic.envelope.fade_length = CLAMP(periodic->fade_length);
5d0ea4576f20 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
   606
         dest->u.periodic.envelope.fade_level = CLAMP(periodic->fade_level);
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   607
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   608
         break;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   609
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   610
      case SDL_HAPTIC_SPRING:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   611
      case SDL_HAPTIC_DAMPER:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   612
      case SDL_HAPTIC_INERTIA:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   613
      case SDL_HAPTIC_FRICTION:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   614
         condition = &src->condition;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   615
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   616
         /* Header */
2503
84a634009a83 Another important typo mistake.
Edgar Simo <bobbens@gmail.com>
parents: 2502
diff changeset
   617
         if (condition->type == SDL_HAPTIC_SPRING)
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   618
            dest->type = FF_SPRING;
2503
84a634009a83 Another important typo mistake.
Edgar Simo <bobbens@gmail.com>
parents: 2502
diff changeset
   619
         else if (condition->type == SDL_HAPTIC_DAMPER)
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   620
            dest->type = FF_DAMPER;
2503
84a634009a83 Another important typo mistake.
Edgar Simo <bobbens@gmail.com>
parents: 2502
diff changeset
   621
         else if (condition->type == SDL_HAPTIC_INERTIA)
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   622
            dest->type = FF_INERTIA;
2503
84a634009a83 Another important typo mistake.
Edgar Simo <bobbens@gmail.com>
parents: 2502
diff changeset
   623
         else if (condition->type == SDL_HAPTIC_FRICTION)
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   624
            dest->type = FF_FRICTION;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   625
         dest->direction = 0; /* Handled by the condition-specifics. */
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   626
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   627
         /* Replay */
2539
b4c41a7eea04 Properly support INFINITY length haptic effects on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2530
diff changeset
   628
         dest->replay.length = (condition->length == SDL_HAPTIC_INFINITY) ? 
b4c41a7eea04 Properly support INFINITY length haptic effects on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2530
diff changeset
   629
               0 : CLAMP(condition->length);
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   630
         dest->replay.delay = CLAMP(condition->delay);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   631
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   632
         /* Trigger */
2556
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   633
         dest->trigger.button = SDL_SYS_ToButton(condition->button);
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   634
         dest->trigger.interval = CLAMP(condition->interval);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   635
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   636
         /* Condition */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   637
         /* X axis */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   638
         dest->u.condition[0].right_saturation = CLAMP(condition->right_sat[0]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   639
         dest->u.condition[0].left_saturation = CLAMP(condition->left_sat[0]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   640
         dest->u.condition[0].right_coeff = condition->right_coeff[0];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   641
         dest->u.condition[0].left_coeff = condition->left_coeff[0];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   642
         dest->u.condition[0].deadband = CLAMP(condition->deadband[0]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   643
         dest->u.condition[0].center = condition->center[0];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   644
         /* Y axis */
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   645
         dest->u.condition[1].right_saturation = CLAMP(condition->right_sat[1]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   646
         dest->u.condition[1].left_saturation = CLAMP(condition->left_sat[1]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   647
         dest->u.condition[1].right_coeff = condition->right_coeff[1];
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   648
         dest->u.condition[1].left_coeff = condition->left_coeff[1];  
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   649
         dest->u.condition[1].deadband = CLAMP(condition->deadband[1]);
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   650
         dest->u.condition[1].center = condition->center[1];
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   651
2644
ef0ba67154c1 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2635
diff changeset
   652
         /*
ef0ba67154c1 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2635
diff changeset
   653
          * There is no envelope in the linux force feedback api for conditions.
ef0ba67154c1 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2635
diff changeset
   654
          */
ef0ba67154c1 More comments.
Edgar Simo <bobbens@gmail.com>
parents: 2635
diff changeset
   655
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   656
         break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   657
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   658
      case SDL_HAPTIC_RAMP:
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   659
         ramp = &src->ramp;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   660
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   661
         /* Header */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   662
         dest->type = FF_RAMP;
2500
5251d0510b7e Implemented polar coordinates in linux.
Edgar Simo <bobbens@gmail.com>
parents: 2496
diff changeset
   663
         dest->direction = SDL_SYS_ToDirection(&ramp->direction);
2634
dbd63c419ba5 Correctness patch my alam.
Edgar Simo <bobbens@gmail.com>
parents: 2561
diff changeset
   664
         if (dest->direction == (Uint16)-1) return -1;
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   665
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   666
         /* Replay */
2539
b4c41a7eea04 Properly support INFINITY length haptic effects on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2530
diff changeset
   667
         dest->replay.length = (ramp->length == SDL_HAPTIC_INFINITY) ? 
b4c41a7eea04 Properly support INFINITY length haptic effects on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2530
diff changeset
   668
               0 : CLAMP(ramp->length);
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   669
         dest->replay.delay = CLAMP(ramp->delay);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   670
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   671
         /* Trigger */
2556
fe346eddd3fb Updated button trigger stuff.
Edgar Simo <bobbens@gmail.com>
parents: 2539
diff changeset
   672
         dest->trigger.button = SDL_SYS_ToButton(ramp->button);
2482
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   673
         dest->trigger.interval = CLAMP(ramp->interval);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   674
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   675
         /* Ramp */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   676
         dest->u.ramp.start_level = ramp->start;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   677
         dest->u.ramp.end_level = ramp->end;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   678
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   679
         /* Envelope */
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   680
         dest->u.ramp.envelope.attack_length = CLAMP(ramp->attack_length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   681
         dest->u.ramp.envelope.attack_level = CLAMP(ramp->attack_level);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   682
         dest->u.ramp.envelope.fade_length = CLAMP(ramp->fade_length);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   683
         dest->u.ramp.envelope.fade_level = CLAMP(ramp->fade_level);
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   684
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   685
         break;
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   686
b51ad78812d5 Removed the linux only SDL_HAPTIC_RUMBLE (use PERIODIC instead).
Edgar Simo <bobbens@gmail.com>
parents: 2481
diff changeset
   687
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   688
      default:
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   689
         SDL_SetError("Haptic: Unknown effect type.");
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   690
         return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   691
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   692
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   693
   return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   694
}
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   695
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   696
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   697
/*
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   698
 * Creates a new haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   699
 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   700
int
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   701
SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   702
      SDL_HapticEffect * base)
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   703
{
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   704
   struct ff_effect * linux_effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   705
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   706
   /* Allocate the hardware effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   707
   effect->hweffect = (struct haptic_hweffect *) 
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   708
         SDL_malloc(sizeof(struct haptic_hweffect));
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   709
   if (effect->hweffect == NULL) {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   710
      SDL_OutOfMemory();
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   711
      return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   712
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   713
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   714
   /* Prepare the ff_effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   715
   linux_effect = &effect->hweffect->effect;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   716
   if (SDL_SYS_ToFFEffect( linux_effect, base ) != 0) {
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   717
      goto new_effect_err;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   718
   }
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   719
   linux_effect->id = -1; /* Have the kernel give it an id */
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   720
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   721
   /* Upload the effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
   722
   if (ioctl(haptic->hwdata->fd, EVIOCSFF, linux_effect) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   723
      SDL_SetError("Haptic: Error uploading effect to the device: %s", strerror(errno));
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   724
      goto new_effect_err;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   725
   }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   726
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   727
   return 0;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   728
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   729
new_effect_err:
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   730
   free(effect->hweffect);
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   731
   effect->hweffect = NULL;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   732
   return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   733
}
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   734
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   735
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   736
/*
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   737
 * Updates an effect.
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   738
 *
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   739
 * Note: Dynamically updating the direction can in some cases force
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   740
 * the effect to restart and run once.
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   741
 */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   742
int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic,
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   743
      struct haptic_effect * effect, SDL_HapticEffect * data)
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   744
{
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   745
   struct ff_effect linux_effect;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   746
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   747
   /* Create the new effect */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   748
   if (SDL_SYS_ToFFEffect( &linux_effect, data ) != 0) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   749
      return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   750
   }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   751
   linux_effect.id = effect->hweffect->effect.id;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   752
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   753
   /* See if it can be uploaded. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   754
   if (ioctl(haptic->hwdata->fd, EVIOCSFF, &linux_effect) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   755
      SDL_SetError("Haptic: Error updating the effect: %s", strerror(errno));
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   756
      return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   757
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   758
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   759
   /* Copy the new effect into memory. */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   760
   SDL_memcpy( &effect->hweffect->effect, &linux_effect, sizeof(struct ff_effect) );
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   761
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2487
diff changeset
   762
   return effect->hweffect->effect.id;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   763
}
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   764
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   765
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   766
/*
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   767
 * Runs an effect.
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   768
 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   769
int
2519
af9df9662807 More explicit with iterations and length.
Edgar Simo <bobbens@gmail.com>
parents: 2518
diff changeset
   770
SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, struct haptic_effect * effect,
af9df9662807 More explicit with iterations and length.
Edgar Simo <bobbens@gmail.com>
parents: 2518
diff changeset
   771
                        Uint32 iterations)
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   772
{
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   773
   struct input_event run;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   774
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   775
   /* Prepare to run the effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   776
   run.type = EV_FF;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   777
   run.code = effect->hweffect->effect.id;
2539
b4c41a7eea04 Properly support INFINITY length haptic effects on linux.
Edgar Simo <bobbens@gmail.com>
parents: 2530
diff changeset
   778
   /* We don't actually have infinity here, so we just do INT_MAX which is pretty damn close. */
2519
af9df9662807 More explicit with iterations and length.
Edgar Simo <bobbens@gmail.com>
parents: 2518
diff changeset
   779
   run.value = (iterations > INT_MAX) ? INT_MAX : iterations;
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   780
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   781
   if (write(haptic->hwdata->fd, (const void*) &run, sizeof(run)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   782
      SDL_SetError("Haptic: Unable to run the effect: %s", strerror(errno));
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   783
      return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   784
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   785
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   786
   return 0;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   787
}
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   788
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   789
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   790
/*
2485
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   791
 * Stops an effect.
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   792
 */
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   793
int
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   794
SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   795
{
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   796
   struct input_event stop;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   797
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   798
   stop.type = EV_FF;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   799
   stop.code = effect->hweffect->effect.id;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   800
   stop.value = 0;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   801
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   802
   if (write(haptic->hwdata->fd, (const void*) &stop, sizeof(stop)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   803
      SDL_SetError("Haptic: Unable to stop the effect: %s", strerror(errno));
2485
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   804
      return -1;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   805
   }
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   806
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   807
   return 0;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   808
}
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   809
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   810
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
   811
/*
2487
4c8e25ef2d97 Merged seperate waveforms into types to be more compatible.
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
   812
 * Frees the effect.
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   813
 */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   814
void
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   815
SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, struct haptic_effect * effect)
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   816
{
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   817
   if (ioctl(haptic->hwdata->fd, EVIOCRMFF, effect->hweffect->effect.id) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   818
      SDL_SetError("Haptic: Error removing the effect from the device: %s",
2496
8f840a6cdf01 Using errno for more verbosity in errors.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
   819
            strerror(errno));
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   820
   }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   821
   SDL_free(effect->hweffect);
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
   822
   effect->hweffect = NULL;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   823
}
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
   824
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
   825
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   826
/*
2495
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   827
 * Gets the status of a haptic effect.
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   828
 */
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   829
int
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   830
SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, struct haptic_effect * effect)
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   831
{
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   832
#if 0  /* Not supported atm. */
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   833
   struct input_event ie;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   834
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   835
   ie.type = EV_FF;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   836
   ie.type = EV_FF_STATUS;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   837
   ie.code = effect->hweffect->effect.id;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   838
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   839
   if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   840
      SDL_SetError("Haptic: Error getting device status.");
2495
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   841
      return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   842
   }
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   843
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   844
   return 0;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   845
#endif
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   846
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   847
   return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   848
}
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   849
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   850
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2493
diff changeset
   851
/*
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   852
 * Sets the gain.
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   853
 */
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   854
int
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   855
SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain)
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   856
{
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   857
   struct input_event ie;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   858
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   859
   ie.type = EV_FF;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   860
   ie.code = FF_GAIN;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   861
   ie.value = (0xFFFFUL * gain) / 100;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   862
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   863
   if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   864
      SDL_SetError("Haptic: Error setting gain: %s", strerror(errno));
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   865
      return -1;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   866
   }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   867
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   868
   return 0;
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   869
}
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   870
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2482
diff changeset
   871
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   872
/*
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   873
 * Sets the autocentering.
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   874
 */
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   875
int
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   876
SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter)
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   877
{
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   878
   struct input_event ie;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   879
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   880
   ie.type = EV_FF;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   881
   ie.code = FF_AUTOCENTER;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   882
   ie.value = (0xFFFFUL * autocenter) / 100;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   883
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   884
   if (write(haptic->hwdata->fd, &ie, sizeof(ie)) < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
   885
      SDL_SetError("Haptic: Error setting autocenter: %s", strerror(errno));
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   886
      return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   887
   }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   888
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   889
   return 0;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   890
}
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   891
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
   892
2645
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   893
/*
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   894
 * Pausing is not supported atm by linux.
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   895
 */
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   896
int
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   897
SDL_SYS_HapticPause(SDL_Haptic * haptic)
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   898
{
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   899
   return -1;
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   900
}
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   901
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   902
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   903
/*
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   904
 * Unpausing is not supported atm by linux.
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   905
 */
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   906
int
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   907
SDL_SYS_HapticUnpause(SDL_Haptic * haptic)
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   908
{
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   909
   return -1;
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   910
}
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   911
269ba4f28d0e Added support for pausing/unpausing haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2644
diff changeset
   912
2646
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   913
/*
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   914
 * Stops all the currently playing effects.
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   915
 */
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   916
int
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   917
SDL_SYS_HapticStopAll(SDL_Haptic * haptic)
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   918
{
2647
e871cff1e3d2 Fixed linux implementation of SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2646
diff changeset
   919
   int i, ret;
2646
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   920
2647
e871cff1e3d2 Fixed linux implementation of SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2646
diff changeset
   921
   /* Linux does not support this natively so we have to loop. */
2646
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   922
   for (i=0; i<haptic->neffects; i++) {
2647
e871cff1e3d2 Fixed linux implementation of SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2646
diff changeset
   923
      if (haptic->effects[i].hweffect != NULL) {
e871cff1e3d2 Fixed linux implementation of SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2646
diff changeset
   924
         ret = SDL_SYS_HapticStopEffect(haptic, &haptic->effects[i]);
e871cff1e3d2 Fixed linux implementation of SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2646
diff changeset
   925
         if (ret < 0) {
e871cff1e3d2 Fixed linux implementation of SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2646
diff changeset
   926
            SDL_SetError("Haptic: Error while trying to stop all playing effects.");
e871cff1e3d2 Fixed linux implementation of SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2646
diff changeset
   927
            return -1;
e871cff1e3d2 Fixed linux implementation of SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2646
diff changeset
   928
         }
2646
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   929
      }
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   930
   }
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   931
   return 0;
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   932
}
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   933
9408be170bff Added SDL_HapticStopAll.
Edgar Simo <bobbens@gmail.com>
parents: 2645
diff changeset
   934
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents:
diff changeset
   935
#endif /* SDL_HAPTIC_LINUX */