Mercurial > sdl-ios-xcode
annotate src/haptic/SDL_haptic.c @ 5172:ededa1ccf91c
Switched the SDL 1.2 compatibility to use the window surface, so it's fast even when there's no hardware acceleration available.
This means that the YUV overlay now uses software, but that's okay since fast YUV code should be using the textures now anyway.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Thu, 03 Feb 2011 21:13:55 -0800 |
parents | 791b3256fb22 |
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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 "SDL_haptic_c.h" |
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26 #include "../joystick/SDL_joystick_c.h" /* For SDL_PrivateJoystickValid */ |
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27 |
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28 |
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29 Uint8 SDL_numhaptics = 0; |
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30 SDL_Haptic **SDL_haptics = 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) { /* Out of memory. */ |
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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 |
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56 return status; |
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57 } |
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58 |
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59 |
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60 /* |
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61 * Checks to see if the haptic device is valid |
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62 */ |
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63 static int |
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64 ValidHaptic(SDL_Haptic * haptic) |
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65 { |
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66 int i; |
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67 int valid; |
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68 |
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69 valid = 0; |
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70 if (haptic != NULL) { |
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71 for (i = 0; i < SDL_numhaptics; i++) { |
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72 if (SDL_haptics[i] == haptic) { |
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73 valid = 1; |
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74 break; |
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75 } |
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76 } |
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77 } |
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78 |
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79 /* Create the error here. */ |
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80 if (valid == 0) { |
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81 SDL_SetError("Haptic: Invalid haptic device identifier"); |
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82 } |
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83 |
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84 return valid; |
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85 } |
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86 |
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87 |
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88 /* |
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89 * Returns the number of available devices. |
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90 */ |
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91 int |
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92 SDL_NumHaptics(void) |
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93 { |
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94 return SDL_numhaptics; |
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95 } |
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96 |
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97 |
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98 /* |
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99 * Gets the name of a Haptic device by index. |
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100 */ |
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101 const char * |
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102 SDL_HapticName(int device_index) |
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103 { |
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104 if ((device_index < 0) || (device_index >= SDL_numhaptics)) { |
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105 SDL_SetError("Haptic: There are %d haptic devices available", |
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106 SDL_numhaptics); |
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107 return NULL; |
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108 } |
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109 return SDL_SYS_HapticName(device_index); |
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110 } |
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111 |
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112 |
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113 /* |
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114 * Opens a Haptic device. |
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115 */ |
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116 SDL_Haptic * |
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117 SDL_HapticOpen(int device_index) |
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118 { |
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119 int i; |
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120 SDL_Haptic *haptic; |
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121 |
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122 if ((device_index < 0) || (device_index >= SDL_numhaptics)) { |
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123 SDL_SetError("Haptic: There are %d haptic devices available", |
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124 SDL_numhaptics); |
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125 return NULL; |
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126 } |
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127 |
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128 /* If the haptic is already open, return it */ |
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129 for (i = 0; SDL_haptics[i]; i++) { |
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130 if (device_index == SDL_haptics[i]->index) { |
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131 haptic = SDL_haptics[i]; |
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132 ++haptic->ref_count; |
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133 return haptic; |
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134 } |
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135 } |
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136 |
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137 /* Create the haptic device */ |
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138 haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic)); |
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139 if (haptic == NULL) { |
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140 SDL_OutOfMemory(); |
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141 return NULL; |
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142 } |
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143 |
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144 /* Initialize the haptic device */ |
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145 SDL_memset(haptic, 0, (sizeof *haptic)); |
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146 haptic->index = device_index; |
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147 if (SDL_SYS_HapticOpen(haptic) < 0) { |
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148 SDL_free(haptic); |
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149 return NULL; |
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150 } |
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151 |
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152 /* Disable autocenter and set gain to max. */ |
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153 if (haptic->supported & SDL_HAPTIC_GAIN) |
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154 SDL_HapticSetGain(haptic, 100); |
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155 if (haptic->supported & SDL_HAPTIC_AUTOCENTER) |
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156 SDL_HapticSetAutocenter(haptic, 0); |
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157 |
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158 /* Add haptic to list */ |
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159 ++haptic->ref_count; |
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160 for (i = 0; SDL_haptics[i]; i++) |
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161 /* Skip to next haptic */ ; |
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162 SDL_haptics[i] = haptic; |
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163 |
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164 return haptic; |
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165 } |
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166 |
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167 |
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168 /* |
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169 * Returns 1 if the device has been opened. |
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170 */ |
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171 int |
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172 SDL_HapticOpened(int device_index) |
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173 { |
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174 int i, opened; |
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175 |
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176 opened = 0; |
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177 for (i = 0; SDL_haptics[i]; i++) { |
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178 if (SDL_haptics[i]->index == (Uint8) device_index) { |
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179 opened = 1; |
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180 break; |
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181 } |
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182 } |
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183 return opened; |
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184 } |
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185 |
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186 |
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187 /* |
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188 * Returns the index to a haptic device. |
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189 */ |
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190 int |
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191 SDL_HapticIndex(SDL_Haptic * haptic) |
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192 { |
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193 if (!ValidHaptic(haptic)) { |
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194 return -1; |
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195 } |
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196 |
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197 return haptic->index; |
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198 } |
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199 |
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200 |
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201 /* |
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202 * Returns SDL_TRUE if mouse is haptic, SDL_FALSE if it isn't. |
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203 */ |
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204 int |
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205 SDL_MouseIsHaptic(void) |
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206 { |
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207 if (SDL_SYS_HapticMouse() < 0) |
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208 return SDL_FALSE; |
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209 return SDL_TRUE; |
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210 } |
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211 |
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212 |
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213 /* |
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214 * Returns the haptic device if mouse is haptic or NULL elsewise. |
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215 */ |
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216 SDL_Haptic * |
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217 SDL_HapticOpenFromMouse(void) |
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218 { |
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219 int device_index; |
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220 |
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221 device_index = SDL_SYS_HapticMouse(); |
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222 |
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223 if (device_index < 0) { |
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224 SDL_SetError("Haptic: Mouse isn't a haptic device."); |
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225 return NULL; |
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226 } |
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227 |
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228 return SDL_HapticOpen(device_index); |
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229 } |
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230 |
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231 |
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232 /* |
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233 * Returns SDL_TRUE if joystick has haptic features. |
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234 */ |
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235 int |
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236 SDL_JoystickIsHaptic(SDL_Joystick * joystick) |
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237 { |
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238 int ret; |
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239 |
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240 /* Must be a valid joystick */ |
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241 if (!SDL_PrivateJoystickValid(&joystick)) { |
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242 return -1; |
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243 } |
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244 |
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245 ret = SDL_SYS_JoystickIsHaptic(joystick); |
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246 |
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247 if (ret > 0) |
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248 return SDL_TRUE; |
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249 else if (ret == 0) |
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250 return SDL_FALSE; |
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251 else |
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252 return -1; |
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253 } |
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254 |
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255 |
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256 /* |
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257 * Opens a haptic device from a joystick. |
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258 */ |
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259 SDL_Haptic * |
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260 SDL_HapticOpenFromJoystick(SDL_Joystick * joystick) |
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261 { |
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262 int i; |
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263 SDL_Haptic *haptic; |
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264 |
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265 /* Must be a valid joystick */ |
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266 if (!SDL_PrivateJoystickValid(&joystick)) { |
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267 SDL_SetError("Haptic: Joystick isn't valid."); |
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268 return NULL; |
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269 } |
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270 |
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271 /* Joystick must be haptic */ |
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272 if (SDL_SYS_JoystickIsHaptic(joystick) <= 0) { |
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273 SDL_SetError("Haptic: Joystick isn't a haptic device."); |
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274 return NULL; |
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275 } |
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276 |
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277 /* Check to see if joystick's haptic is already open */ |
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278 for (i = 0; SDL_haptics[i]; i++) { |
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279 if (SDL_SYS_JoystickSameHaptic(SDL_haptics[i], joystick)) { |
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280 haptic = SDL_haptics[i]; |
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281 ++haptic->ref_count; |
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282 return haptic; |
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283 } |
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284 } |
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285 |
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286 /* Create the haptic device */ |
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287 haptic = (SDL_Haptic *) SDL_malloc((sizeof *haptic)); |
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288 if (haptic == NULL) { |
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289 SDL_OutOfMemory(); |
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290 return NULL; |
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291 } |
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292 |
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293 /* Initialize the haptic device */ |
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294 SDL_memset(haptic, 0, sizeof(SDL_Haptic)); |
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295 if (SDL_SYS_HapticOpenFromJoystick(haptic, joystick) < 0) { |
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296 SDL_free(haptic); |
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297 return NULL; |
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298 } |
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299 |
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300 /* Add haptic to list */ |
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301 ++haptic->ref_count; |
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302 for (i = 0; SDL_haptics[i]; i++) |
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303 /* Skip to next haptic */ ; |
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304 SDL_haptics[i] = haptic; |
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305 |
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306 return haptic; |
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307 } |
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308 |
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309 |
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310 /* |
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311 * Closes a SDL_Haptic device. |
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312 */ |
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313 void |
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314 SDL_HapticClose(SDL_Haptic * haptic) |
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315 { |
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316 int i; |
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317 |
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318 /* Must be valid */ |
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319 if (!ValidHaptic(haptic)) { |
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320 return; |
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321 } |
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322 |
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323 /* Check if it's still in use */ |
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324 if (--haptic->ref_count < 0) { |
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325 return; |
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326 } |
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327 |
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328 /* Close it, properly removing effects if needed */ |
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329 for (i = 0; i < haptic->neffects; i++) { |
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330 if (haptic->effects[i].hweffect != NULL) { |
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331 SDL_HapticDestroyEffect(haptic, i); |
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332 } |
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333 } |
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334 SDL_SYS_HapticClose(haptic); |
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335 |
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336 /* Remove from the list */ |
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337 for (i = 0; SDL_haptics[i]; ++i) { |
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338 if (haptic == SDL_haptics[i]) { |
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339 SDL_haptics[i] = NULL; |
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340 SDL_memcpy(&SDL_haptics[i], &SDL_haptics[i + 1], |
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341 (SDL_numhaptics - i) * sizeof(haptic)); |
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342 break; |
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343 } |
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344 } |
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345 |
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346 /* Free */ |
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347 SDL_free(haptic); |
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348 } |
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349 |
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350 /* |
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351 * Cleans up after the subsystem. |
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352 */ |
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353 void |
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354 SDL_HapticQuit(void) |
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355 { |
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356 SDL_SYS_HapticQuit(); |
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357 if (SDL_haptics != NULL) { |
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358 SDL_free(SDL_haptics); |
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359 SDL_haptics = NULL; |
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360 } |
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361 SDL_numhaptics = 0; |
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362 } |
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363 |
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364 /* |
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365 * Returns the number of effects a haptic device has. |
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366 */ |
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367 int |
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368 SDL_HapticNumEffects(SDL_Haptic * haptic) |
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369 { |
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370 if (!ValidHaptic(haptic)) { |
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371 return -1; |
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372 } |
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373 |
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374 return haptic->neffects; |
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375 } |
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376 |
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377 |
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378 /* |
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379 * Returns the number of effects a haptic device can play. |
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380 */ |
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381 int |
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382 SDL_HapticNumEffectsPlaying(SDL_Haptic * haptic) |
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383 { |
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384 if (!ValidHaptic(haptic)) { |
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385 return -1; |
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386 } |
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387 |
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388 return haptic->nplaying; |
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389 } |
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390 |
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391 |
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392 /* |
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393 * Returns supported effects by the device. |
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394 */ |
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395 unsigned int |
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396 SDL_HapticQuery(SDL_Haptic * haptic) |
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397 { |
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398 if (!ValidHaptic(haptic)) { |
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399 return -1; |
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|
400 } |
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parents:
diff
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|
401 |
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|
402 return haptic->supported; |
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parents:
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|
403 } |
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parents:
diff
changeset
|
404 |
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parents:
diff
changeset
|
405 |
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|
406 /* |
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|
407 * Returns the number of axis on the device. |
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|
408 */ |
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|
409 int |
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|
410 SDL_HapticNumAxes(SDL_Haptic * haptic) |
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|
411 { |
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|
412 if (!ValidHaptic(haptic)) { |
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|
413 return -1; |
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|
414 } |
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|
415 |
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|
416 return haptic->naxes; |
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|
417 } |
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|
418 |
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|
419 /* |
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|
420 * Checks to see if the device can support the effect. |
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|
421 */ |
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|
422 int |
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|
423 SDL_HapticEffectSupported(SDL_Haptic * haptic, SDL_HapticEffect * effect) |
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424 { |
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|
425 if (!ValidHaptic(haptic)) { |
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|
426 return -1; |
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changeset
|
427 } |
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|
428 |
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429 if ((haptic->supported & effect->type) != 0) |
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430 return SDL_TRUE; |
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|
431 return SDL_FALSE; |
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|
432 } |
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|
433 |
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|
434 /* |
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|
435 * Creates a new haptic effect. |
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|
436 */ |
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|
437 int |
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|
438 SDL_HapticNewEffect(SDL_Haptic * haptic, SDL_HapticEffect * effect) |
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|
439 { |
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|
440 int i; |
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|
441 |
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diff
changeset
|
442 /* Check for device validity. */ |
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diff
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|
443 if (!ValidHaptic(haptic)) { |
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|
444 return -1; |
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changeset
|
445 } |
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|
446 |
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Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
447 /* Check to see if effect is supported */ |
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|
448 if (SDL_HapticEffectSupported(haptic, effect) == SDL_FALSE) { |
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449 SDL_SetError("Haptic: Effect not supported by haptic device."); |
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|
450 return -1; |
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diff
changeset
|
451 } |
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diff
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|
452 |
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changeset
|
453 /* See if there's a free slot */ |
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diff
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|
454 for (i = 0; i < haptic->neffects; i++) { |
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455 if (haptic->effects[i].hweffect == NULL) { |
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|
456 |
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|
457 /* Now let the backend create the real effect */ |
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458 if (SDL_SYS_HapticNewEffect(haptic, &haptic->effects[i], effect) |
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diff
changeset
|
459 != 0) { |
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changeset
|
460 return -1; /* Backend failed to create effect */ |
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changeset
|
461 } |
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changeset
|
462 |
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|
463 SDL_memcpy(&haptic->effects[i].effect, effect, |
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diff
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|
464 sizeof(SDL_HapticEffect)); |
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diff
changeset
|
465 return i; |
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diff
changeset
|
466 } |
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parents:
diff
changeset
|
467 } |
0906692aa6a4
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changeset
|
468 |
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changeset
|
469 SDL_SetError("Haptic: Device has no free space left."); |
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diff
changeset
|
470 return -1; |
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parents:
diff
changeset
|
471 } |
0906692aa6a4
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diff
changeset
|
472 |
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changeset
|
473 /* |
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changeset
|
474 * Checks to see if an effect is valid. |
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changeset
|
475 */ |
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|
476 static int |
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changeset
|
477 ValidEffect(SDL_Haptic * haptic, int effect) |
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diff
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|
478 { |
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parents:
diff
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|
479 if ((effect < 0) || (effect >= haptic->neffects)) { |
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diff
changeset
|
480 SDL_SetError("Haptic: Invalid effect identifier."); |
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diff
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|
481 return 0; |
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parents:
diff
changeset
|
482 } |
0906692aa6a4
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parents:
diff
changeset
|
483 return 1; |
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parents:
diff
changeset
|
484 } |
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parents:
diff
changeset
|
485 |
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parents:
diff
changeset
|
486 /* |
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parents:
diff
changeset
|
487 * Updates an effect. |
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parents:
diff
changeset
|
488 */ |
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parents:
diff
changeset
|
489 int |
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parents:
diff
changeset
|
490 SDL_HapticUpdateEffect(SDL_Haptic * haptic, int effect, |
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parents:
diff
changeset
|
491 SDL_HapticEffect * data) |
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parents:
diff
changeset
|
492 { |
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parents:
diff
changeset
|
493 if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { |
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parents:
diff
changeset
|
494 return -1; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
495 } |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
496 |
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parents:
diff
changeset
|
497 /* Can't change type dynamically. */ |
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parents:
diff
changeset
|
498 if (data->type != haptic->effects[effect].effect.type) { |
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diff
changeset
|
499 SDL_SetError("Haptic: Updating effect type is illegal."); |
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diff
changeset
|
500 return -1; |
0906692aa6a4
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parents:
diff
changeset
|
501 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
502 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
503 /* Updates the effect */ |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
504 if (SDL_SYS_HapticUpdateEffect(haptic, &haptic->effects[effect], data) < |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
505 0) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
506 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
507 } |
0906692aa6a4
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parents:
diff
changeset
|
508 |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
509 SDL_memcpy(&haptic->effects[effect].effect, data, |
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parents:
diff
changeset
|
510 sizeof(SDL_HapticEffect)); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
511 return 0; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
512 } |
0906692aa6a4
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parents:
diff
changeset
|
513 |
0906692aa6a4
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parents:
diff
changeset
|
514 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
515 /* |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
516 * Runs the haptic effect on the device. |
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parents:
diff
changeset
|
517 */ |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
518 int |
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diff
changeset
|
519 SDL_HapticRunEffect(SDL_Haptic * haptic, int effect, Uint32 iterations) |
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parents:
diff
changeset
|
520 { |
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parents:
diff
changeset
|
521 if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { |
0906692aa6a4
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parents:
diff
changeset
|
522 return -1; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
523 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
524 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
525 /* Run the effect */ |
0906692aa6a4
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parents:
diff
changeset
|
526 if (SDL_SYS_HapticRunEffect(haptic, &haptic->effects[effect], iterations) |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
527 < 0) { |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
528 return -1; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
529 } |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
530 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
531 return 0; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
532 } |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
533 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
534 /* |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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diff
changeset
|
535 * Stops the haptic effect on the device. |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
536 */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
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|
537 int |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
538 SDL_HapticStopEffect(SDL_Haptic * haptic, int effect) |
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Final merge of Google Summer of Code 2008 work...
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diff
changeset
|
539 { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
540 if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
541 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
542 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
543 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
544 /* Stop the effect */ |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
545 if (SDL_SYS_HapticStopEffect(haptic, &haptic->effects[effect]) < 0) { |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
546 return -1; |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
547 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
548 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
549 return 0; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
550 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
551 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
552 /* |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
553 * Gets rid of a haptic effect. |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
554 */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
555 void |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
556 SDL_HapticDestroyEffect(SDL_Haptic * haptic, int effect) |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
557 { |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
558 if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
559 return; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
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|
560 } |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
561 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
562 /* Not allocated */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
563 if (haptic->effects[effect].hweffect == NULL) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
564 return; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
565 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
566 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
567 SDL_SYS_HapticDestroyEffect(haptic, &haptic->effects[effect]); |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
568 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
569 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
570 /* |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
571 * Gets the status of a haptic effect. |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
572 */ |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
573 int |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
574 SDL_HapticGetEffectStatus(SDL_Haptic * haptic, int effect) |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
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diff
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|
575 { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
576 if (!ValidHaptic(haptic) || !ValidEffect(haptic, effect)) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
577 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
578 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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diff
changeset
|
579 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
580 if ((haptic->supported & SDL_HAPTIC_STATUS) == 0) { |
0906692aa6a4
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parents:
diff
changeset
|
581 SDL_SetError("Haptic: Device does not support status queries."); |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
582 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
583 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
584 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
585 return SDL_SYS_HapticGetEffectStatus(haptic, &haptic->effects[effect]); |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
586 } |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
587 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
588 /* |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
589 * Sets the global gain of the device. |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
590 */ |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
591 int |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
592 SDL_HapticSetGain(SDL_Haptic * haptic, int gain) |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
593 { |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
594 const char *env; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
595 int real_gain, max_gain; |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
596 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
597 if (!ValidHaptic(haptic)) { |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
598 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
599 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
600 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
601 if ((haptic->supported & SDL_HAPTIC_GAIN) == 0) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
602 SDL_SetError("Haptic: Device does not support setting gain."); |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
603 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
604 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
605 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
606 if ((gain < 0) || (gain > 100)) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
607 SDL_SetError("Haptic: Gain must be between 0 and 100."); |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
608 return -1; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
609 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
610 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
611 /* We use the envvar to get the maximum gain. */ |
0906692aa6a4
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parents:
diff
changeset
|
612 env = SDL_getenv("SDL_HAPTIC_GAIN_MAX"); |
0906692aa6a4
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parents:
diff
changeset
|
613 if (env != NULL) { |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
614 max_gain = SDL_atoi(env); |
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parents:
diff
changeset
|
615 |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
616 /* Check for sanity. */ |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
617 if (max_gain < 0) |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
618 max_gain = 0; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
619 else if (max_gain > 100) |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
620 max_gain = 100; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
621 |
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Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
622 /* We'll scale it linearly with SDL_HAPTIC_GAIN_MAX */ |
0906692aa6a4
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parents:
diff
changeset
|
623 real_gain = (gain * max_gain) / 100; |
0906692aa6a4
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parents:
diff
changeset
|
624 } else { |
0906692aa6a4
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parents:
diff
changeset
|
625 real_gain = gain; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
626 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
627 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
628 if (SDL_SYS_HapticSetGain(haptic, real_gain) < 0) { |
0906692aa6a4
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parents:
diff
changeset
|
629 return -1; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
630 } |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
631 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
632 return 0; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
633 } |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
634 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
635 /* |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
636 * Makes the device autocenter, 0 disables. |
0906692aa6a4
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parents:
diff
changeset
|
637 */ |
0906692aa6a4
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parents:
diff
changeset
|
638 int |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
639 SDL_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter) |
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parents:
diff
changeset
|
640 { |
0906692aa6a4
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parents:
diff
changeset
|
641 if (!ValidHaptic(haptic)) { |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
642 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
643 } |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
644 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
645 if ((haptic->supported & SDL_HAPTIC_AUTOCENTER) == 0) { |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
646 SDL_SetError("Haptic: Device does not support setting autocenter."); |
0906692aa6a4
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parents:
diff
changeset
|
647 return -1; |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
648 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
649 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
650 if ((autocenter < 0) || (autocenter > 100)) { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
651 SDL_SetError("Haptic: Autocenter must be between 0 and 100."); |
0906692aa6a4
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parents:
diff
changeset
|
652 return -1; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
653 } |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
654 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
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parents:
diff
changeset
|
655 if (SDL_SYS_HapticSetAutocenter(haptic, autocenter) < 0) { |
0906692aa6a4
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parents:
diff
changeset
|
656 return -1; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
657 } |
0906692aa6a4
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parents:
diff
changeset
|
658 |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
659 return 0; |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
660 } |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
661 |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
662 /* |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
663 * Pauses the haptic device. |
0906692aa6a4
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
664 */ |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
665 int |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
666 SDL_HapticPause(SDL_Haptic * haptic) |
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Sam Lantinga <slouken@libsdl.org>
parents:
diff
changeset
|
667 { |
0906692aa6a4
Final merge of Google Summer of Code 2008 work...
Sam Lantinga <slouken@libsdl.org>
parents:
diff
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668 if (!ValidHaptic(haptic)) { |
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669 return -1; |
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670 } |
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671 |
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672 if ((haptic->supported & SDL_HAPTIC_PAUSE) == 0) { |
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673 SDL_SetError("Haptic: Device does not support setting pausing."); |
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674 return -1; |
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675 } |
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676 |
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677 return SDL_SYS_HapticPause(haptic); |
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678 } |
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679 |
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680 /* |
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681 * Unpauses the haptic device. |
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682 */ |
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683 int |
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684 SDL_HapticUnpause(SDL_Haptic * haptic) |
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685 { |
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686 if (!ValidHaptic(haptic)) { |
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687 return -1; |
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688 } |
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689 |
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690 if ((haptic->supported & SDL_HAPTIC_PAUSE) == 0) { |
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691 return 0; /* Not going to be paused, so we pretend it's unpaused. */ |
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692 } |
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693 |
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694 return SDL_SYS_HapticUnpause(haptic); |
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695 } |
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696 |
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697 /* |
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698 * Stops all the currently playing effects. |
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699 */ |
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700 int |
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701 SDL_HapticStopAll(SDL_Haptic * haptic) |
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702 { |
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703 if (!ValidHaptic(haptic)) { |
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704 return -1; |
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705 } |
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706 |
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707 return SDL_SYS_HapticStopAll(haptic); |
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708 } |