Mercurial > sdl-ios-xcode
annotate src/haptic/SDL_syshaptic.h @ 2507:8ef1d0f4d0c1 gsoc2008_force_feedback
Gain is set to max on haptic device open.
Autocenter is disabled on haptic device open.
Maximum gain can be set by SDL_HAPTIC_GAIN_MAX.
| author | Edgar Simo <bobbens@gmail.com> |
|---|---|
| date | Tue, 08 Jul 2008 19:55:12 +0000 |
| parents | 66c02abeef0e |
| children | ef147ee4896c |
| 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 |
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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 struct haptic_effect |
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29 { |
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30 SDL_HapticEffect effect; /* The current event */ |
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31 struct haptic_hweffect *hweffect; /* The hardware behind the event */ |
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32 }; |
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33 |
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34 /* |
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35 * The real SDL_Haptic event. |
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36 */ |
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37 struct _SDL_Haptic |
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38 { |
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39 Uint8 index; /* Stores index it is attached to */ |
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40 const char* name; /* Stores the name of the device */ |
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41 |
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42 struct haptic_effect *effects; /* Allocated effects */ |
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43 int neffects; /* Maximum amount of effects */ |
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44 unsigned int supported; /* Supported effects */ |
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45 |
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46 struct haptic_hwdata *hwdata; /* Driver dependent */ |
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47 int ref_count; /* Count for multiple opens */ |
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48 }; |
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49 |
| 2491 | 50 /* |
| 51 * Scans the system for haptic devices. | |
| 52 * | |
| 53 * Returns 0 on success, -1 on error. | |
| 54 */ | |
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55 extern int SDL_SYS_HapticInit(void); |
| 2491 | 56 |
| 57 /* | |
| 58 * Gets the device dependent name of the haptic device | |
| 59 */ | |
| 2475 | 60 extern const char * SDL_SYS_HapticName(int index); |
| 2491 | 61 |
| 62 /* | |
| 63 * Opens the haptic device for usage. The haptic device should have | |
| 64 * the index value set previously. | |
| 65 * | |
| 66 * Returns 0 on success, -1 on error. | |
| 67 */ | |
| 2475 | 68 extern int SDL_SYS_HapticOpen(SDL_Haptic * haptic); |
| 2491 | 69 |
| 70 /* | |
| 71 * Checks to see if the joystick has haptic capabilities. | |
| 72 * | |
| 73 * Returns >0 if haptic capabilities are detected, 0 if haptic | |
| 74 * capabilities aren't detected and -1 on error. | |
| 75 */ | |
| 76 extern int SDL_JoystickIsHaptic(SDL_Joystick * joystick); | |
| 77 | |
| 78 /* | |
| 79 * Opens the haptic device for usage using the same device as | |
| 80 * the joystick. | |
| 81 * | |
| 82 * Returns 0 on success, -1 on error. | |
| 83 */ | |
| 84 extern int SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, | |
| 85 SDL_Joystick * joystick); | |
| 86 | |
| 87 /* | |
| 88 * Checks to see if haptic device and joystick device are the same. | |
| 89 * | |
| 90 * Returns 1 if they are the same, 0 if they aren't. | |
| 91 */ | |
| 92 extern int SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, | |
| 93 SDL_Joystick * joystick); | |
| 94 | |
| 95 /* | |
| 96 * Closes a haptic device after usage. | |
| 97 */ | |
| 2475 | 98 extern void SDL_SYS_HapticClose(SDL_Haptic * haptic); |
| 2491 | 99 |
| 100 /* | |
| 101 * Performs a cleanup on the haptic subsystem. | |
| 102 */ | |
| 2475 | 103 extern void SDL_SYS_HapticQuit(void); |
| 2491 | 104 |
| 105 /* | |
| 106 * Creates a new haptic effect on the haptic device using base | |
| 107 * as a template for the effect. | |
| 108 * | |
| 109 * Returns 0 on success, -1 on error. | |
| 110 */ | |
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111 extern int SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, |
| 2491 | 112 struct haptic_effect * effect, |
| 113 SDL_HapticEffect * base); | |
| 114 | |
| 115 /* | |
| 116 * Updates the haptic effect on the haptic device using data | |
| 117 * as a template. | |
| 118 * | |
| 119 * Returns 0 on success, -1 on error. | |
| 120 */ | |
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121 extern int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic, |
| 2491 | 122 struct haptic_effect * effect, |
| 123 SDL_HapticEffect * data); | |
| 124 | |
| 125 /* | |
| 126 * Runs the effect on the haptic device. | |
| 127 * | |
| 128 * Returns 0 on success, -1 on error. | |
| 129 */ | |
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130 extern int SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, |
| 2491 | 131 struct haptic_effect * effect); |
| 132 | |
| 133 /* | |
| 134 * Stops the effect on the haptic device. | |
| 135 * | |
| 136 * Returns 0 on success, -1 on error. | |
| 137 */ | |
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138 extern int SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, |
| 2491 | 139 struct haptic_effect * effect); |
| 140 | |
| 141 /* | |
| 142 * Cleanups up the effect on the haptic device. | |
| 143 */ | |
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144 extern void SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, |
| 2491 | 145 struct haptic_effect * effect); |
| 146 | |
| 147 /* | |
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148 * Queries the device for the status of effect. |
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149 * |
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150 * Returns 0 if device is stopped, >0 if device is playing and |
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151 * -1 on error. |
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152 */ |
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153 extern int SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, |
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154 struct haptic_effect * effect); |
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155 |
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156 /* |
| 2491 | 157 * Sets the global gain of the haptic device. |
| 158 * | |
| 159 * Returns 0 on success, -1 on error. | |
| 160 */ | |
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161 extern int SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain); |
| 2491 | 162 |
| 163 /* | |
| 164 * Sets the autocenter feature of the haptic device. | |
| 165 * | |
| 166 * Returns 0 on success, -1 on error. | |
| 167 */ | |
| 168 extern int SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, | |
| 169 int autocenter); | |
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170 |
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171 |