SDL_syshaptic.h (6162B)
1/* 2 Simple DirectMedia Layer 3 Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org> 4 5 This software is provided 'as-is', without any express or implied 6 warranty. In no event will the authors be held liable for any damages 7 arising from the use of this software. 8 9 Permission is granted to anyone to use this software for any purpose, 10 including commercial applications, and to alter it and redistribute it 11 freely, subject to the following restrictions: 12 13 1. The origin of this software must not be misrepresented; you must not 14 claim that you wrote the original software. If you use this software 15 in a product, an acknowledgment in the product documentation would be 16 appreciated but is not required. 17 2. Altered source versions must be plainly marked as such, and must not be 18 misrepresented as being the original software. 19 3. This notice may not be removed or altered from any source distribution. 20*/ 21 22#include "../SDL_internal.h" 23 24#ifndef _SDL_syshaptic_h 25#define _SDL_syshaptic_h 26 27#include "SDL_haptic.h" 28 29 30/* 31 * Number of haptic devices on the system. 32 */ 33extern Uint8 SDL_numhaptics; 34 35 36struct haptic_effect 37{ 38 SDL_HapticEffect effect; /* The current event */ 39 struct haptic_hweffect *hweffect; /* The hardware behind the event */ 40}; 41 42/* 43 * The real SDL_Haptic struct. 44 */ 45struct _SDL_Haptic 46{ 47 Uint8 index; /* Stores index it is attached to */ 48 49 struct haptic_effect *effects; /* Allocated effects */ 50 int neffects; /* Maximum amount of effects */ 51 int nplaying; /* Maximum amount of effects to play at the same time */ 52 unsigned int supported; /* Supported effects */ 53 int naxes; /* Number of axes on the device. */ 54 55 struct haptic_hwdata *hwdata; /* Driver dependent */ 56 int ref_count; /* Count for multiple opens */ 57 58 int rumble_id; /* ID of rumble effect for simple rumble API. */ 59 SDL_HapticEffect rumble_effect; /* Rumble effect. */ 60 struct _SDL_Haptic *next; /* pointer to next haptic we have allocated */ 61}; 62 63/* 64 * Scans the system for haptic devices. 65 * 66 * Returns number of devices on success, -1 on error. 67 */ 68extern int SDL_SYS_HapticInit(void); 69 70/* Function to return the number of haptic devices plugged in right now */ 71extern int SDL_SYS_NumHaptics(); 72 73/* 74 * Gets the device dependent name of the haptic device 75 */ 76extern const char *SDL_SYS_HapticName(int index); 77 78/* 79 * Opens the haptic device for usage. The haptic device should have 80 * the index value set previously. 81 * 82 * Returns 0 on success, -1 on error. 83 */ 84extern int SDL_SYS_HapticOpen(SDL_Haptic * haptic); 85 86/* 87 * Returns the index of the haptic core pointer or -1 if none is found. 88 */ 89int SDL_SYS_HapticMouse(void); 90 91/* 92 * Checks to see if the joystick has haptic capabilities. 93 * 94 * Returns >0 if haptic capabilities are detected, 0 if haptic 95 * capabilities aren't detected and -1 on error. 96 */ 97extern int SDL_SYS_JoystickIsHaptic(SDL_Joystick * joystick); 98 99/* 100 * Opens the haptic device for usage using the same device as 101 * the joystick. 102 * 103 * Returns 0 on success, -1 on error. 104 */ 105extern int SDL_SYS_HapticOpenFromJoystick(SDL_Haptic * haptic, 106 SDL_Joystick * joystick); 107/* 108 * Checks to see if haptic device and joystick device are the same. 109 * 110 * Returns 1 if they are the same, 0 if they aren't. 111 */ 112extern int SDL_SYS_JoystickSameHaptic(SDL_Haptic * haptic, 113 SDL_Joystick * joystick); 114 115/* 116 * Closes a haptic device after usage. 117 */ 118extern void SDL_SYS_HapticClose(SDL_Haptic * haptic); 119 120/* 121 * Performs a cleanup on the haptic subsystem. 122 */ 123extern void SDL_SYS_HapticQuit(void); 124 125/* 126 * Creates a new haptic effect on the haptic device using base 127 * as a template for the effect. 128 * 129 * Returns 0 on success, -1 on error. 130 */ 131extern int SDL_SYS_HapticNewEffect(SDL_Haptic * haptic, 132 struct haptic_effect *effect, 133 SDL_HapticEffect * base); 134 135/* 136 * Updates the haptic effect on the haptic device using data 137 * as a template. 138 * 139 * Returns 0 on success, -1 on error. 140 */ 141extern int SDL_SYS_HapticUpdateEffect(SDL_Haptic * haptic, 142 struct haptic_effect *effect, 143 SDL_HapticEffect * data); 144 145/* 146 * Runs the effect on the haptic device. 147 * 148 * Returns 0 on success, -1 on error. 149 */ 150extern int SDL_SYS_HapticRunEffect(SDL_Haptic * haptic, 151 struct haptic_effect *effect, 152 Uint32 iterations); 153 154/* 155 * Stops the effect on the haptic device. 156 * 157 * Returns 0 on success, -1 on error. 158 */ 159extern int SDL_SYS_HapticStopEffect(SDL_Haptic * haptic, 160 struct haptic_effect *effect); 161 162/* 163 * Cleanups up the effect on the haptic device. 164 */ 165extern void SDL_SYS_HapticDestroyEffect(SDL_Haptic * haptic, 166 struct haptic_effect *effect); 167 168/* 169 * Queries the device for the status of effect. 170 * 171 * Returns 0 if device is stopped, >0 if device is playing and 172 * -1 on error. 173 */ 174extern int SDL_SYS_HapticGetEffectStatus(SDL_Haptic * haptic, 175 struct haptic_effect *effect); 176 177/* 178 * Sets the global gain of the haptic device. 179 * 180 * Returns 0 on success, -1 on error. 181 */ 182extern int SDL_SYS_HapticSetGain(SDL_Haptic * haptic, int gain); 183 184/* 185 * Sets the autocenter feature of the haptic device. 186 * 187 * Returns 0 on success, -1 on error. 188 */ 189extern int SDL_SYS_HapticSetAutocenter(SDL_Haptic * haptic, int autocenter); 190 191/* 192 * Pauses the haptic device. 193 * 194 * Returns 0 on success, -1 on error. 195 */ 196extern int SDL_SYS_HapticPause(SDL_Haptic * haptic); 197 198/* 199 * Unpauses the haptic device. 200 * 201 * Returns 0 on success, -1 on error. 202 */ 203extern int SDL_SYS_HapticUnpause(SDL_Haptic * haptic); 204 205/* 206 * Stops all the currently playing haptic effects on the device. 207 * 208 * Returns 0 on success, -1 on error. 209 */ 210extern int SDL_SYS_HapticStopAll(SDL_Haptic * haptic); 211 212#endif /* _SDL_syshaptic_h */ 213 214/* vi: set ts=4 sw=4 expandtab: */ 215