Mercurial > sdl-ios-xcode
annotate src/haptic/SDL_syshaptic.h @ 2993:2fad80c77c17
Technically more correct
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 04 Jan 2009 19:26:50 +0000 |
parents | 0906692aa6a4 |
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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 |
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23 #include "SDL_config.h" |
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24 |
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25 #include "SDL_haptic.h" |
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26 |
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27 |
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28 /* |
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29 * Number of haptic devices on the system. |
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30 */ |
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31 extern Uint8 SDL_numhaptics; |
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32 |
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33 |
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34 struct haptic_effect |
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35 { |
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36 SDL_HapticEffect effect; /* The current event */ |
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37 struct haptic_hweffect *hweffect; /* The hardware behind the event */ |
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38 }; |
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39 |
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40 /* |
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41 * The real SDL_Haptic struct. |
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42 */ |
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43 struct _SDL_Haptic |
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44 { |
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45 Uint8 index; /* Stores index it is attached to */ |
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46 |
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47 struct haptic_effect *effects; /* Allocated effects */ |
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48 int neffects; /* Maximum amount of effects */ |
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49 int nplaying; /* Maximum amount of effects to play at the same time */ |
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50 unsigned int supported; /* Supported effects */ |
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51 int naxes; /* Number of axes on the device. */ |
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52 |
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53 struct haptic_hwdata *hwdata; /* Driver dependent */ |
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54 int ref_count; /* Count for multiple opens */ |
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55 }; |
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56 |
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57 /* |
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58 * Scans the system for haptic devices. |
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59 * |
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60 * Returns 0 on success, -1 on error. |
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61 */ |
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62 extern int SDL_SYS_HapticInit(void); |
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63 |
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64 /* |
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65 * Gets the device dependent name of the haptic device |
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66 */ |
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67 extern const char *SDL_SYS_HapticName(int index); |
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68 |
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69 /* |
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70 * Opens the haptic device for usage. The haptic device should have |
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71 * the index value set previously. |
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72 * |
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73 * Returns 0 on success, -1 on error. |
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74 */ |
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75 extern int SDL_SYS_HapticOpen(SDL_Haptic * haptic); |
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76 |
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77 /* |
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78 * Returns the index of the haptic core pointer or -1 if none is found. |
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79 */ |
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80 int SDL_SYS_HapticMouse(void); |
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81 |
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82 /* |
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83 * Checks to see if the joystick has haptic capabilities. |
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84 * |
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85 * Returns >0 if haptic capabilities are detected, 0 if haptic |
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86 * capabilities aren't detected and -1 on error. |
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87 */ |
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88 extern int SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick); |
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89 |
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90 /* |
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91 * Opens the haptic device for usage using the same device as |
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92 * the joystick. |
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93 * |
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94 * Returns 0 on success, -1 on error. |
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95 */ |
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96 extern int SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, |
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97 SDL_Joystick * joystick); |
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98 /* |
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99 * Checks to see if haptic device and joystick device are the same. |
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100 * |
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101 * Returns 1 if they are the same, 0 if they aren't. |
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102 */ |
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103 extern int SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, |
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104 SDL_Joystick * joystick); |
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105 |
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106 /* |
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107 * Closes a haptic device after usage. |
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108 */ |
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109 extern void SDL_SYS_HapticClose(SDL_Haptic * haptic); |
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110 |
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111 /* |
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112 * Performs a cleanup on the haptic subsystem. |
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113 */ |
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114 extern void SDL_SYS_HapticQuit(void); |
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115 |
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116 /* |
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117 * Creates a new haptic effect on the haptic device using base |
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118 * as a template for the effect. |
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119 * |
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120 * Returns 0 on success, -1 on error. |
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121 */ |
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122 extern int SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, |
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123 struct haptic_effect *effect, |
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124 SDL_HapticEffect * base); |
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125 |
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126 /* |
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127 * Updates the haptic effect on the haptic device using data |
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128 * as a template. |
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129 * |
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130 * Returns 0 on success, -1 on error. |
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131 */ |
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132 extern int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic, |
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133 struct haptic_effect *effect, |
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134 SDL_HapticEffect * data); |
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135 |
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136 /* |
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137 * Runs the effect on the haptic device. |
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138 * |
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139 * Returns 0 on success, -1 on error. |
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140 */ |
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141 extern int SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, |
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142 struct haptic_effect *effect, |
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143 Uint32 iterations); |
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144 |
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145 /* |
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146 * Stops the effect on the haptic device. |
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147 * |
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148 * Returns 0 on success, -1 on error. |
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149 */ |
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150 extern int SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, |
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151 struct haptic_effect *effect); |
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152 |
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153 /* |
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154 * Cleanups up the effect on the haptic device. |
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155 */ |
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156 extern void SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, |
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157 struct haptic_effect *effect); |
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158 |
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159 /* |
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160 * Queries the device for the status of effect. |
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161 * |
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162 * Returns 0 if device is stopped, >0 if device is playing and |
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163 * -1 on error. |
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164 */ |
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165 extern int SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, |
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166 struct haptic_effect *effect); |
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167 |
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168 /* |
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169 * Sets the global gain of the haptic device. |
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170 * |
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171 * Returns 0 on success, -1 on error. |
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172 */ |
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173 extern int SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain); |
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174 |
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175 /* |
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176 * Sets the autocenter feature of the haptic device. |
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177 * |
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178 * Returns 0 on success, -1 on error. |
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179 */ |
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180 extern int SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter); |
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181 |
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182 /* |
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183 * Pauses the haptic device. |
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184 * |
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185 * Returns 0 on success, -1 on error. |
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186 */ |
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187 extern int SDL_SYS_HapticPause(SDL_Haptic * haptic); |
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188 |
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189 /* |
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190 * Unpauses the haptic device. |
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191 * |
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192 * Returns 0 on success, -1 on error. |
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193 */ |
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194 extern int SDL_SYS_HapticUnpause(SDL_Haptic * haptic); |
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195 |
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196 /* |
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197 * Stops all the currently playing haptic effects on the device. |
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198 * |
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199 * Returns 0 on success, -1 on error. |
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200 */ |
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201 extern int SDL_SYS_HapticStopAll(SDL_Haptic * haptic); |