cscg22-gearboy

CSCG 2022 Challenge 'Gearboy'
git clone https://git.sinitax.com/sinitax/cscg22-gearboy
Log | Files | Refs | sfeed.txt

SDL_sysjoystick.h (4676B)

      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#include "../SDL_internal.h"
     22
     23#ifndef _SDL_sysjoystick_h
     24#define _SDL_sysjoystick_h
     25
     26/* This is the system specific header for the SDL joystick API */
     27
     28#include "SDL_joystick.h"
     29#include "SDL_joystick_c.h"
     30
     31/* The SDL joystick structure */
     32struct _SDL_Joystick
     33{
     34    SDL_JoystickID instance_id; /* Device instance, monotonically increasing from 0 */
     35    char *name;                 /* Joystick name - system dependent */
     36
     37    int naxes;                  /* Number of axis controls on the joystick */
     38    Sint16 *axes;               /* Current axis states */
     39
     40    int nhats;                  /* Number of hats on the joystick */
     41    Uint8 *hats;                /* Current hat states */
     42
     43    int nballs;                 /* Number of trackballs on the joystick */
     44    struct balldelta {
     45        int dx;
     46        int dy;
     47    } *balls;                   /* Current ball motion deltas */
     48
     49    int nbuttons;               /* Number of buttons on the joystick */
     50    Uint8 *buttons;             /* Current button states */
     51
     52    struct joystick_hwdata *hwdata;     /* Driver dependent information */
     53
     54    int ref_count;              /* Reference count for multiple opens */
     55
     56    SDL_bool closed;            /* SDL_TRUE if this device is no longer valid */
     57    SDL_bool uncentered;        /* SDL_TRUE if this device needs to have its state reset to 0 */
     58    struct _SDL_Joystick *next; /* pointer to next joystick we have allocated */
     59};
     60
     61/* Function to scan the system for joysticks.
     62 * Joystick 0 should be the system default joystick.
     63 * This function should return the number of available joysticks, or -1
     64 * on an unrecoverable fatal error.
     65 */
     66extern int SDL_SYS_JoystickInit(void);
     67
     68/* Function to return the number of joystick devices plugged in right now */
     69extern int SDL_SYS_NumJoysticks();
     70
     71/* Function to cause any queued joystick insertions to be processed */
     72extern void SDL_SYS_JoystickDetect();
     73
     74/* Function to get the device-dependent name of a joystick */
     75extern const char *SDL_SYS_JoystickNameForDeviceIndex(int device_index);
     76
     77/* Function to get the current instance id of the joystick located at device_index */
     78extern SDL_JoystickID SDL_SYS_GetInstanceIdOfDeviceIndex(int device_index);
     79
     80/* Function to open a joystick for use.
     81   The joystick to open is specified by the index field of the joystick.
     82   This should fill the nbuttons and naxes fields of the joystick structure.
     83   It returns 0, or -1 if there is an error.
     84 */
     85extern int SDL_SYS_JoystickOpen(SDL_Joystick * joystick, int device_index);
     86
     87/* Function to query if the joystick is currently attached
     88 *   It returns 1 if attached, 0 otherwise.
     89 */
     90extern SDL_bool SDL_SYS_JoystickAttached(SDL_Joystick * joystick);
     91
     92/* Function to update the state of a joystick - called as a device poll.
     93 * This function shouldn't update the joystick structure directly,
     94 * but instead should call SDL_PrivateJoystick*() to deliver events
     95 * and update joystick device state.
     96 */
     97extern void SDL_SYS_JoystickUpdate(SDL_Joystick * joystick);
     98
     99/* Function to close a joystick after use */
    100extern void SDL_SYS_JoystickClose(SDL_Joystick * joystick);
    101
    102/* Function to perform any system-specific joystick related cleanup */
    103extern void SDL_SYS_JoystickQuit(void);
    104
    105/* Function to return the stable GUID for a plugged in device */
    106extern SDL_JoystickGUID SDL_SYS_JoystickGetDeviceGUID(int device_index);
    107
    108/* Function to return the stable GUID for a opened joystick */
    109extern SDL_JoystickGUID SDL_SYS_JoystickGetGUID(SDL_Joystick * joystick);
    110
    111#if SDL_JOYSTICK_XINPUT
    112/* Function returns SDL_TRUE if this device is an XInput gamepad */
    113extern SDL_bool SDL_SYS_IsXInputGamepad_DeviceIndex(int device_index);
    114#endif
    115
    116#endif /* _SDL_sysjoystick_h */
    117
    118/* vi: set ts=4 sw=4 expandtab: */