sdl-ios-xcode: src/haptic/SDL

annotate src/haptic/SDL_haptic.c @ 2476:242d8a668ebb gsoc2008_force_feedback

* Implemented opening and closing of haptic devices.

author	Edgar Simo <bobbens@gmail.com>
date	Mon, 23 Jun 2008 09:01:58 +0000
parents	4b874e3a3a2c
children	97f75ea43a93

rev	line source
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	1 /*
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	3 Copyright (C) 2008 Edgar Simo
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	4
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	9
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	13 Lesser General Public License for more details.
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	14
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	16 License along with this library; if not, write to the Free Software
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	18
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	19 Sam Lantinga
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	20 slouken@libsdl.org
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	21 */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	22 #include "SDL_config.h"
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	23
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	24 #include "SDL_haptic_c.h"
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	25 #include "SDL_syshaptic.h"
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	26
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	27
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	28 static Uint8 SDL_numhaptics = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	29 SDL_Haptic **SDL_haptics = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	30 static SDL_Haptic *default_haptic = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	31
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	32
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	33 /*
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	34 * Initializes the Haptic devices.
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	35 */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	36 int
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	37 SDL_HapticInit(void)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	38 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	39 int arraylen;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	40 int status;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	41
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	42 SDL_numhaptics = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	43 status = SDL_SYS_HapticInit();
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	44 if (status >= 0) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	45 arraylen = (status + 1) * sizeof(*SDL_haptics);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	46 SDL_haptics = (SDL_Haptic **) SDL_malloc(arraylen);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	47 if (SDL_haptics == NULL) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	48 SDL_numhaptics = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	49 } else {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	50 SDL_memset(SDL_haptics, 0, arraylen);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	51 SDL_numhaptics = status;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	52 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	53 status = 0;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	54 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	55 default_haptic = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	56
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	57 return status;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	58 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	59
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	60
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	61 /*
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	62 * Returns the number of available devices.
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	63 */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	64 int
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	65 SDL_NumHaptics(void)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	66 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	67 return SDL_numhaptics;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	68 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	69
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	70
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	71 /*
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	72 * Gets the name of a Haptic device by index.
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	73 */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	74 const char *
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	75 SDL_HapticName(int device_index)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	76 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	77 if ((device_index < 0) \|\| (device_index >= SDL_numhaptics)) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	78 SDL_SetError("There are %d haptic devices available", SDL_numhaptics);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	79 return NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	80 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	81 return SDL_SYS_HapticName(device_index);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	82 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	83
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	84
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	85 /*
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	86 * Opens a Haptic device.
2472 3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	87 */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	88 SDL_Haptic *
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	89 SDL_HapticOpen(int device_index)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	90 {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	91 int i;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	92 SDL_Haptic *haptic;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	93
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	94 if ((device_index < 0) \|\| (device_index >= SDL_numhaptics)) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	95 SDL_SetError("There are %d haptic devices available", SDL_numhaptics);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	96 return NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	97 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	98
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	99 /* If the haptic is already open, return it */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	100 for (i = 0; SDL_haptics[i]; ++i) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	101 if (device_index == SDL_haptics[i]->index) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	102 haptic = SDL_haptics[i];
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	103 ++haptic->ref_count;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	104 return haptic;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	105 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	106 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	107
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	108 /* Create and initialize the haptic */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	109 haptic = (SDL_Haptic ) SDL_malloc((sizeof haptic));
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	110 if (haptic != NULL) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	111 SDL_memset(haptic, 0, (sizeof *haptic));
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	112 haptic->index = device_index;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	113 if (SDL_SYS_HapticOpen(haptic) < 0) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	114 SDL_free(haptic);
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	115 haptic = NULL;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	116 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	117 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	118 if (haptic) {
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	119 /* Add haptic to list */
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	120 ++haptic->ref_count;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	121 for (i = 0; SDL_haptics[i]; ++i)
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	122 /* Skip to next haptic */ ;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	123 SDL_haptics[i] = haptic;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	124 }
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	125 return haptic;
3f73c88c9abb First commit of the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: diff changeset	126 }
2474 3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	127
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	128
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	129 /*
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	130 * Checks to see if the haptic device is valid
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	131 */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	132 static int
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	133 ValidHaptic(SDL_Haptic ** haptic)
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	134 {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	135 int valid;
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	136
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	137 if (*haptic == NULL) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	138 SDL_SetError("Haptic device hasn't been opened yet");
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	139 valid = 0;
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	140 } else {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	141 valid = 1;
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	142 }
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	143 return valid;
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	144 }
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	145
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	146
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	147 /*
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	148 * Closes a SDL_Haptic device.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	149 */
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	150 void
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	151 SDL_HapticClose(SDL_Haptic * haptic)
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	152 {
2476 242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	153 int i;
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	154
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	155 /* Must be valid */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	156 if (!ValidHaptic(&haptic)) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	157 return;
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	158 }
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	159
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	160 /* Check if it's still in use */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	161 if (--haptic->ref_count < 0) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	162 return;
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	163 }
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	164
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	165 /* Close it */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	166 SDL_SYS_HapticClose(haptic);
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	167
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	168 /* Remove from the list */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	169 for (i = 0; SDL_haptics[i]; ++i) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	170 if (haptic == SDL_haptics[i]) {
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	171 SDL_memcpy(&SDL_haptics[i], &SDL_haptics[i + 1],
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	172 (SDL_numhaptics - i) * sizeof(haptic));
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	173 break;
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	174 }
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	175 }
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	176
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	177 /* Free */
242d8a668ebb * Implemented opening and closing of haptic devices. Edgar Simo <bobbens@gmail.com> parents: 2475 diff changeset	178 SDL_free(haptic);
2475 4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	179 }
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	180
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	181 /*
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	182 * Cleans up after the subsystem.
4b874e3a3a2c Some code cleanup. Edgar Simo <bobbens@gmail.com> parents: 2474 diff changeset	183 */
2474 3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	184 void
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	185 SDL_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	186 {
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	187 SDL_numhaptics = 0;
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	188
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	189 SDL_SYS_HapticQuit();
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	190 if (SDL_haptics != NULL) {
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	191 SDL_free(SDL_haptics);
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	192 SDL_haptics = NULL;
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	193 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem. Edgar Simo <bobbens@gmail.com> parents: 2472 diff changeset	194 }

Mercurial > sdl-ios-xcode

annotate src/haptic/SDL_haptic.c @ 2476:242d8a668ebb gsoc2008_force_feedback