annotate src/haptic/SDL_haptic.c @ 2513:55fd9103a330 gsoc2008_force_feedback

Prefixed all haptic errors with "Haptic:" for easier readability.
author Edgar Simo <bobbens@gmail.com>
date Thu, 10 Jul 2008 11:39:28 +0000
parents ef147ee4896c
children 840e1b6325c0
rev   line source
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 2008 Edgar Simo
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24 #include "SDL_syshaptic.h"
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25 #include "../joystick/SDL_joystick_c.h" /* For SDL_PrivateJoystickValid */
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26
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27
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28 Uint8 SDL_numhaptics = 0;
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29 SDL_Haptic **SDL_haptics = NULL;
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30 static SDL_Haptic *default_haptic = NULL;
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31
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32
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33 /*
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34 * Initializes the Haptic devices.
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35 */
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36 int
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37 SDL_HapticInit(void)
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38 {
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39 int arraylen;
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40 int status;
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41
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42 SDL_numhaptics = 0;
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43 status = SDL_SYS_HapticInit();
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44 if (status >= 0) {
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45 arraylen = (status + 1) * sizeof(*SDL_haptics);
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46 SDL_haptics = (SDL_Haptic **) SDL_malloc(arraylen);
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47 if (SDL_haptics == NULL) {
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48 SDL_numhaptics = 0;
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49 } else {
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50 SDL_memset(SDL_haptics, 0, arraylen);
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51 SDL_numhaptics = status;
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52 }
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53 status = 0;
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54 }
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55 default_haptic = NULL;
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56
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57 return status;
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58 }
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59
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60
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61 /*
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62 * Checks to see if the haptic device is valid
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63 */
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64 static int
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65 ValidHaptic(SDL_Haptic ** haptic)
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66 {
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67 int valid;
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68
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69 if (*haptic == NULL) {
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70 SDL_SetError("Haptic: Device hasn't been opened yet");
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71 valid = 0;
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72 } else {
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73 valid = 1;
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74 }
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75 return valid;
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76 }
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77
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78
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79 /*
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80 * Returns the number of available devices.
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81 */
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82 int
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83 SDL_NumHaptics(void)
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84 {
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85 return SDL_numhaptics;
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86 }
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87
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88
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89 /*
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90 * Gets the name of a Haptic device by index.
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91 */
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92 const char *
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93 SDL_HapticName(int device_index)
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94 {
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95 if ((device_index < 0) || (device_index >= SDL_numhaptics)) {
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96 SDL_SetError("Haptic: There are %d haptic devices available", SDL_numhaptics);
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97 return NULL;
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98 }
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99 return SDL_SYS_HapticName(device_index);
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100 }
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101
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102
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103 /*
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104 * Opens a Haptic device.
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105 */
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106 SDL_Haptic *
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107 SDL_HapticOpen(int device_index)
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108 {
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109 int i;
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110 SDL_Haptic *haptic;
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111
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112 if ((device_index < 0) || (device_index >= SDL_numhaptics)) {
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113 SDL_SetError("Haptic: There are %d haptic devices available", SDL_numhaptics);
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114 return NULL;
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115 }
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116
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117 /* If the haptic is already open, return it */
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118 for (i=0; SDL_haptics[i]; i++) {
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119 if (device_index == SDL_haptics[i]->index) {
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120 haptic = SDL_haptics[i];
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121 ++haptic->ref_count;
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122 return haptic;
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123 }
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124 }
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125
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126 /* Create the haptic device */
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127 haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic));
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128 if (haptic == NULL) {
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129 SDL_OutOfMemory();
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130 return NULL;
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131 }
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132
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133 /* Initialize the haptic device */
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134 SDL_memset(haptic, 0, (sizeof *haptic));
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135 haptic->index = device_index;
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136 if (SDL_SYS_HapticOpen(haptic) < 0) {
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137 SDL_free(haptic);
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138 return NULL;
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139 }
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140
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141 /* Disable autocenter and set gain to max. */
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142 if (haptic->supported & SDL_HAPTIC_GAIN)
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143 SDL_HapticSetGain(haptic,100);
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144 if (haptic->supported & SDL_HAPTIC_AUTOCENTER)
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145 SDL_HapticSetAutocenter(haptic,0);
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146
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147 /* Add haptic to list */
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148 ++haptic->ref_count;
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diff changeset
149 for (i=0; SDL_haptics[i]; i++)
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150 /* Skip to next haptic */ ;
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151 SDL_haptics[i] = haptic;
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152
2472
3f73c88c9abb First commit of the SDL_haptic subsystem.
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diff changeset
153 return haptic;
3f73c88c9abb First commit of the SDL_haptic subsystem.
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parents:
diff changeset
154 }
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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155
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
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diff changeset
156
2475
4b874e3a3a2c Some code cleanup.
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diff changeset
157 /*
2506
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158 * Returns 1 if the device has been opened.
ba8e99fe92c1 Added SDL_HapticOpened().
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159 */
ba8e99fe92c1 Added SDL_HapticOpened().
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160 int
ba8e99fe92c1 Added SDL_HapticOpened().
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diff changeset
161 SDL_HapticOpened(int device_index)
ba8e99fe92c1 Added SDL_HapticOpened().
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162 {
ba8e99fe92c1 Added SDL_HapticOpened().
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163 int i, opened;
ba8e99fe92c1 Added SDL_HapticOpened().
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164
ba8e99fe92c1 Added SDL_HapticOpened().
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165 opened = 0;
ba8e99fe92c1 Added SDL_HapticOpened().
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166 for (i=0; SDL_haptics[i]; i++) {
ba8e99fe92c1 Added SDL_HapticOpened().
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167 if (SDL_haptics[i]->index == (Uint8) device_index) {
ba8e99fe92c1 Added SDL_HapticOpened().
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168 opened = 1;
ba8e99fe92c1 Added SDL_HapticOpened().
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diff changeset
169 break;
ba8e99fe92c1 Added SDL_HapticOpened().
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170 }
ba8e99fe92c1 Added SDL_HapticOpened().
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171 }
ba8e99fe92c1 Added SDL_HapticOpened().
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172 return opened;
ba8e99fe92c1 Added SDL_HapticOpened().
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173 }
ba8e99fe92c1 Added SDL_HapticOpened().
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174
ba8e99fe92c1 Added SDL_HapticOpened().
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175
ba8e99fe92c1 Added SDL_HapticOpened().
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176 /*
2505
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177 * Returns the index to a haptic device.
abfcba0f3bd1 Added SDL_HapticIndex.
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178 */
abfcba0f3bd1 Added SDL_HapticIndex.
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179 int
abfcba0f3bd1 Added SDL_HapticIndex.
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180 SDL_HapticIndex(SDL_Haptic * haptic)
abfcba0f3bd1 Added SDL_HapticIndex.
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181 {
abfcba0f3bd1 Added SDL_HapticIndex.
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182 if (!ValidHaptic(&haptic)) {
abfcba0f3bd1 Added SDL_HapticIndex.
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183 return -1;
abfcba0f3bd1 Added SDL_HapticIndex.
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184 }
abfcba0f3bd1 Added SDL_HapticIndex.
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185
abfcba0f3bd1 Added SDL_HapticIndex.
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186 return haptic->index;
abfcba0f3bd1 Added SDL_HapticIndex.
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187 }
abfcba0f3bd1 Added SDL_HapticIndex.
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188
abfcba0f3bd1 Added SDL_HapticIndex.
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189
abfcba0f3bd1 Added SDL_HapticIndex.
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190 /*
2512
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191 * Returns SDL_TRUE if mouse is haptic, SDL_FALSE if it isn't.
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192 */
ef147ee4896c Improved some ioctl handling.
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193 int
ef147ee4896c Improved some ioctl handling.
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194 SDL_MouseIsHaptic(void)
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195 {
ef147ee4896c Improved some ioctl handling.
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196 if (SDL_SYS_HapticMouse() < 0)
ef147ee4896c Improved some ioctl handling.
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197 return SDL_FALSE;
ef147ee4896c Improved some ioctl handling.
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198 return SDL_TRUE;
ef147ee4896c Improved some ioctl handling.
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199 }
ef147ee4896c Improved some ioctl handling.
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200
ef147ee4896c Improved some ioctl handling.
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diff changeset
201
ef147ee4896c Improved some ioctl handling.
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diff changeset
202 /*
ef147ee4896c Improved some ioctl handling.
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203 * Returns the haptic device if mouse is haptic or NULL elsewise.
ef147ee4896c Improved some ioctl handling.
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204 */
ef147ee4896c Improved some ioctl handling.
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205 SDL_Haptic *
ef147ee4896c Improved some ioctl handling.
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206 SDL_HapticOpenFromMouse(void)
ef147ee4896c Improved some ioctl handling.
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207 {
ef147ee4896c Improved some ioctl handling.
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208 int device_index;
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209
ef147ee4896c Improved some ioctl handling.
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210 device_index = SDL_SYS_HapticMouse();
ef147ee4896c Improved some ioctl handling.
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211
ef147ee4896c Improved some ioctl handling.
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diff changeset
212 if (device_index < 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
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213 SDL_SetError("Haptic: Mouse isn't a haptic device.");
2512
ef147ee4896c Improved some ioctl handling.
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214 return NULL;
ef147ee4896c Improved some ioctl handling.
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diff changeset
215 }
ef147ee4896c Improved some ioctl handling.
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216
ef147ee4896c Improved some ioctl handling.
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217 return SDL_HapticOpen(device_index);
ef147ee4896c Improved some ioctl handling.
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218 }
ef147ee4896c Improved some ioctl handling.
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diff changeset
219
ef147ee4896c Improved some ioctl handling.
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diff changeset
220
ef147ee4896c Improved some ioctl handling.
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parents: 2507
diff changeset
221 /*
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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222 * Returns SDL_TRUE if joystick has haptic features.
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
223 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
224 int
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
225 SDL_JoystickIsHaptic(SDL_Joystick * joystick)
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
226 {
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
227 int ret;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
228
2490
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diff changeset
229 /* Must be a valid joystick */
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96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
230 if (!SDL_PrivateJoystickValid(&joystick)) {
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
231 return -1;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
232 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
233
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
234 ret = SDL_SYS_JoystickIsHaptic(joystick);
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
235
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
236 if (ret > 0) return SDL_TRUE;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
237 else if (ret == 0) return SDL_FALSE;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
238 else return -1;
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
239 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
240
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
241
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
242 /*
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
243 * Opens a haptic device from a joystick.
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
244 */
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
245 SDL_Haptic *
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
246 SDL_HapticOpenFromJoystick(SDL_Joystick * joystick)
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
247 {
2490
be9b206d44af Some more error checking.
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diff changeset
248 int i;
be9b206d44af Some more error checking.
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diff changeset
249 SDL_Haptic *haptic;
be9b206d44af Some more error checking.
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diff changeset
250
be9b206d44af Some more error checking.
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diff changeset
251 /* Must be a valid joystick */
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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diff changeset
252 if (!SDL_PrivateJoystickValid(&joystick)) {
2490
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diff changeset
253 return NULL;
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
254 }
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
255
be9b206d44af Some more error checking.
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diff changeset
256 /* Joystick must be haptic */
be9b206d44af Some more error checking.
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diff changeset
257 if (SDL_SYS_JoystickIsHaptic(joystick) <= 0) {
be9b206d44af Some more error checking.
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diff changeset
258 return NULL;
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
259 }
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
260
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
261 /* Check to see if joystick's haptic is already open */
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
262 for (i=0; SDL_haptics[i]; i++) {
2491
10bc7aaf5114 Commented SDL_syshaptic.h.
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parents: 2490
diff changeset
263 if (SDL_SYS_JoystickSameHaptic(SDL_haptics[i],joystick)) {
2490
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
264 haptic = SDL_haptics[i];
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
265 ++haptic->ref_count;
be9b206d44af Some more error checking.
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diff changeset
266 return haptic;
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
267 }
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
268 }
2490
be9b206d44af Some more error checking.
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diff changeset
269
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
270 /* Create the haptic device */
be9b206d44af Some more error checking.
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diff changeset
271 haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic));
be9b206d44af Some more error checking.
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diff changeset
272 if (haptic == NULL) {
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
273 SDL_OutOfMemory();
be9b206d44af Some more error checking.
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diff changeset
274 return NULL;
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
parents: 2489
diff changeset
275 }
be9b206d44af Some more error checking.
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diff changeset
276
be9b206d44af Some more error checking.
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diff changeset
277 /* Initialize the haptic device */
be9b206d44af Some more error checking.
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diff changeset
278 SDL_memset(haptic, 0, (sizeof *haptic));
be9b206d44af Some more error checking.
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diff changeset
279 if (SDL_SYS_HapticOpenFromJoystick(haptic,joystick) < 0) {
be9b206d44af Some more error checking.
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diff changeset
280 SDL_free(haptic);
be9b206d44af Some more error checking.
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diff changeset
281 return NULL;
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
282 }
be9b206d44af Some more error checking.
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diff changeset
283
be9b206d44af Some more error checking.
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diff changeset
284 /* Add haptic to list */
be9b206d44af Some more error checking.
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diff changeset
285 ++haptic->ref_count;
be9b206d44af Some more error checking.
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diff changeset
286 for (i=0; SDL_haptics[i]; i++)
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
287 /* Skip to next haptic */ ;
be9b206d44af Some more error checking.
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parents: 2489
diff changeset
288 SDL_haptics[i] = haptic;
be9b206d44af Some more error checking.
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diff changeset
289
be9b206d44af Some more error checking.
Edgar Simo <bobbens@gmail.com>
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diff changeset
290 return haptic;
2489
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
291 }
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
292
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
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parents: 2488
diff changeset
293
96adc8025331 Exposed some of the joystick stuff to the haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2488
diff changeset
294 /*
2475
4b874e3a3a2c Some code cleanup.
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parents: 2474
diff changeset
295 * Closes a SDL_Haptic device.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
296 */
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
297 void
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
298 SDL_HapticClose(SDL_Haptic * haptic)
4b874e3a3a2c Some code cleanup.
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parents: 2474
diff changeset
299 {
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
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parents: 2475
diff changeset
300 int i;
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
301
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
302 /* Must be valid */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
303 if (!ValidHaptic(&haptic)) {
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
304 return;
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
305 }
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
306
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
307 /* Check if it's still in use */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
308 if (--haptic->ref_count < 0) {
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
309 return;
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
310 }
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
311
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
312 /* Close it, properly removing effects if needed */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
313 for (i=0; i<haptic->neffects; i++) {
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
314 if (haptic->effects[i].hweffect != NULL) {
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
315 SDL_HapticDestroyEffect(haptic,i);
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
316 }
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
317 }
2476
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
318 SDL_SYS_HapticClose(haptic);
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
319
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
320 /* Remove from the list */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
321 for (i = 0; SDL_haptics[i]; ++i) {
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
322 if (haptic == SDL_haptics[i]) {
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
323 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
324 (SDL_numhaptics - i) * sizeof(haptic));
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
325 break;
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
326 }
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
327 }
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
328
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
329 /* Free */
242d8a668ebb * Implemented opening and closing of haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2475
diff changeset
330 SDL_free(haptic);
2475
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
331 }
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
332
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
333 /*
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
334 * Cleans up after the subsystem.
4b874e3a3a2c Some code cleanup.
Edgar Simo <bobbens@gmail.com>
parents: 2474
diff changeset
335 */
2474
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
336 void
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
337 SDL_HapticQuit(void)
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
338 {
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
339 SDL_numhaptics = 0;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
340
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
341 SDL_SYS_HapticQuit();
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
342 if (SDL_haptics != NULL) {
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
343 SDL_free(SDL_haptics);
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
344 SDL_haptics = NULL;
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
345 }
3f80bf1528b4 Properly quit the SDL_haptic subsystem.
Edgar Simo <bobbens@gmail.com>
parents: 2472
diff changeset
346 }
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
347
2478
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
348 /*
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
349 * Returns the number of effects a haptic device has.
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
350 */
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
351 int
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
352 SDL_HapticNumEffects(SDL_Haptic * haptic)
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
353 {
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
354 if (!ValidHaptic(&haptic)) {
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
355 return -1;
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
356 }
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
357
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
358 return haptic->neffects;
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
359 }
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
360
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
361 /*
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
362 * Returns supported effects by the device.
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
363 */
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
364 unsigned int
2497
0893fbf73b3d Renamed SDL_HapticQueryEffects to SDL_HapticQuery.
Edgar Simo <bobbens@gmail.com>
parents: 2495
diff changeset
365 SDL_HapticQuery(SDL_Haptic * haptic)
2478
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
366 {
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
367 if (!ValidHaptic(&haptic)) {
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
368 return -1;
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
369 }
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
370
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
371 return haptic->supported;
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
372 }
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
373
2486
24dd8b8669fa Added SDL_HAPTIC_CUSTOM (not supported on linux).
Edgar Simo <bobbens@gmail.com>
parents: 2485
diff changeset
374 /*
24dd8b8669fa Added SDL_HAPTIC_CUSTOM (not supported on linux).
Edgar Simo <bobbens@gmail.com>
parents: 2485
diff changeset
375 * Checks to see if the device can support the effect.
24dd8b8669fa Added SDL_HAPTIC_CUSTOM (not supported on linux).
Edgar Simo <bobbens@gmail.com>
parents: 2485
diff changeset
376 */
2478
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
377 int
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
378 SDL_HapticEffectSupported(SDL_Haptic * haptic, SDL_HapticEffect * effect)
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
379 {
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
380 if (!ValidHaptic(&haptic)) {
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
381 return -1;
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
382 }
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
383
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
384 if ((haptic->supported & effect->type) != 0)
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
385 return SDL_TRUE;
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
386 return SDL_FALSE;
4fd783e0f34b Added query functions for haptic devices.
Edgar Simo <bobbens@gmail.com>
parents: 2477
diff changeset
387 }
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
388
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
389 /*
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
390 * Creates a new haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
391 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
392 int
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
393 SDL_HapticNewEffect(SDL_Haptic * haptic, SDL_HapticEffect * effect)
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
394 {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
395 int i;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
396
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
397 /* Check for device validity. */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
398 if (!ValidHaptic(&haptic)) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
399 return -1;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
400 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
401
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
402 /* Check to see if effect is supported */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
403 if (SDL_HapticEffectSupported(haptic,effect)==SDL_FALSE) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
404 SDL_SetError("Haptic: Effect not supported by haptic device.");
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
405 return -1;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
406 }
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
407
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
408 /* See if there's a free slot */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
409 for (i=0; i<haptic->neffects; i++) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
410 if (haptic->effects[i].hweffect == NULL) {
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
411
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
412 /* Now let the backend create the real effect */
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
413 if (SDL_SYS_HapticNewEffect(haptic,&haptic->effects[i],effect) != 0) {
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
414 return -1; /* Backend failed to create effect */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
415 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
416 return i;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
417 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
418 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
419
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
420 SDL_SetError("Haptic: Device has no free space left.");
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
421 return -1;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
422 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
423
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
424 /*
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
425 * Checks to see if an effect is valid.
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
426 */
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
427 static int
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
428 ValidEffect(SDL_Haptic * haptic, int effect)
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
429 {
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
430 if ((effect < 0) || (effect >= haptic->neffects)) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
431 SDL_SetError("Haptic: Invalid effect identifier.");
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
432 return 0;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
433 }
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
434 return 1;
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
435 }
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
436
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
437 /*
2488
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
438 * Updates an effect.
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
439 */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
440 int
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
441 SDL_HapticUpdateEffect(SDL_Haptic * haptic, int effect, SDL_HapticEffect * data)
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
442 {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
443 if (!ValidHaptic(&haptic) || !ValidEffect(haptic,effect)) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
444 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
445 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
446
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
447 /* Updates the effect */
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
448 if (SDL_SYS_HapticUpdateEffect(haptic,&haptic->effects[effect],data) < 0) {
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
449 return -1;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
450 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
451
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
452 return 0;
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
453 }
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
454
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
455
8e2bdbccf7ff Added SDL_HapticUpdateEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2486
diff changeset
456 /*
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
457 * Runs the haptic effect on the device.
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
458 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
459 int
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
460 SDL_HapticRunEffect(SDL_Haptic * haptic, int effect)
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
461 {
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
462 if (!ValidHaptic(&haptic) || !ValidEffect(haptic,effect)) {
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
463 return -1;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
464 }
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
465
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
466 /* Run the effect */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
467 if (SDL_SYS_HapticRunEffect(haptic,&haptic->effects[effect]) < 0) {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
468 return -1;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
469 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
470
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
471 return 0;
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
472 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
473
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
474 /*
2485
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
475 * Stops the haptic effect on the device.
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
476 */
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
477 int
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
478 SDL_HapticStopEffect(SDL_Haptic * haptic, int effect)
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
479 {
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
480 if (!ValidHaptic(&haptic) || !ValidEffect(haptic,effect)) {
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
481 return -1;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
482 }
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
483
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
484 /* Stop the effect */
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
485 if (SDL_SYS_HapticStopEffect(haptic,&haptic->effects[effect]) < 0) {
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
486 return -1;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
487 }
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
488
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
489 return 0;
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
490 }
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
491
67978eea6d10 Added SDL_HapticStopEffect().
Edgar Simo <bobbens@gmail.com>
parents: 2484
diff changeset
492 /*
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
493 * Gets rid of a haptic effect.
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
494 */
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
495 void
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
496 SDL_HapticDestroyEffect(SDL_Haptic * haptic, int effect)
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
497 {
2480
b883974445fc Some more error reporting.
Edgar Simo <bobbens@gmail.com>
parents: 2479
diff changeset
498 if (!ValidHaptic(&haptic) || !ValidEffect(haptic,effect)) {
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
499 return;
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
500 }
2479
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
501
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
502 /* Not allocated */
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
503 if (haptic->effects[effect].hweffect == NULL) {
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
504 return;
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
505 }
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
506
b9eb2cfe16cd Added some preliminary support for haptic effect control.
Edgar Simo <bobbens@gmail.com>
parents: 2478
diff changeset
507 SDL_SYS_HapticDestroyEffect(haptic, &haptic->effects[effect]);
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
508 }
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
509
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
510 /*
2495
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
511 * Gets the status of a haptic effect.
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
512 */
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
513 int
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
514 SDL_HapticGetEffectStatus(SDL_Haptic *haptic, int effect)
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
515 {
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
516 if (!ValidHaptic(&haptic) || !ValidEffect(haptic,effect)) {
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
517 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
518 }
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
519
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
520 if ((haptic->supported & SDL_HAPTIC_STATUS) == 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
521 SDL_SetError("Haptic: Device does not support status queries.");
2495
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
522 return -1;
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
523 }
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
524
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
525 return SDL_SYS_HapticGetEffectStatus(haptic, &haptic->effects[effect]);
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
526 }
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
527
66c02abeef0e Added SDL_HapticGetEffectStatus().
Edgar Simo <bobbens@gmail.com>
parents: 2491
diff changeset
528 /*
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
529 * Sets the global gain of the device.
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
530 */
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
531 int
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
532 SDL_HapticSetGain(SDL_Haptic * haptic, int gain )
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
533 {
2507
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
534 const char *env;
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
535 int real_gain, max_gain;
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
536
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
537 if (!ValidHaptic(&haptic)) {
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
538 return -1;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
539 }
2477
97f75ea43a93 Starting to add infrastructure to handle haptic effects.
Edgar Simo <bobbens@gmail.com>
parents: 2476
diff changeset
540
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
541 if ((haptic->supported & SDL_HAPTIC_GAIN) == 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
542 SDL_SetError("Haptic: Device does not support setting gain.");
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
543 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
544 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
545
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
546 if ((gain < 0) || (gain > 100)) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
547 SDL_SetError("Haptic: Gain must be between 0 and 100.");
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
548 return -1;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
549 }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
550
2507
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
551 /* We use the envvar to get the maximum gain. */
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
552 env = SDL_getenv("SDL_HAPTIC_GAIN_MAX");
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
553 if (env != NULL) {
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
554 max_gain = SDL_atoi(env);
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
555
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
556 /* Check for sanity. */
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
557 if (max_gain < 0) max_gain = 0;
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
558 else if (max_gain > 100) max_gain = 100;
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
559
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
560 /* We'll scale it linearly with SDL_HAPTIC_GAIN_MAX */
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
561 real_gain = (gain * max_gain) / 100;
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
562 }
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
563 else {
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
564 real_gain = gain;
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
565 }
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
566
8ef1d0f4d0c1 Gain is set to max on haptic device open.
Edgar Simo <bobbens@gmail.com>
parents: 2506
diff changeset
567 if (SDL_SYS_HapticSetGain(haptic,real_gain) < 0) {
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
568 return -1;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
569 }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
570
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
571 return 0;
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
572 }
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
573
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
574 /*
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
575 * Makes the device autocenter, 0 disables.
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
576 */
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
577 int
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
578 SDL_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter )
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
579 {
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
580 if (!ValidHaptic(&haptic)) {
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
581 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
582 }
2483
9d52368ebcf5 Setting effects memory to 0.
Edgar Simo <bobbens@gmail.com>
parents: 2480
diff changeset
583
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
584 if ((haptic->supported & SDL_HAPTIC_AUTOCENTER) == 0) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
585 SDL_SetError("Haptic: Device does not support setting autocenter.");
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
586 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
587 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
588
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
589 if ((autocenter < 0) || (autocenter > 100)) {
2513
55fd9103a330 Prefixed all haptic errors with "Haptic:" for easier readability.
Edgar Simo <bobbens@gmail.com>
parents: 2512
diff changeset
590 SDL_SetError("Haptic: Autocenter must be between 0 and 100.");
2484
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
591 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
592 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
593
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
594 if (SDL_SYS_HapticSetAutocenter(haptic,autocenter) < 0) {
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
595 return -1;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
596 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
597
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
598 return 0;
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
599 }
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
600
666472fd4cb0 HapticSetGain checks to see if device supports it.
Edgar Simo <bobbens@gmail.com>
parents: 2483
diff changeset
601