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authorFranklin Wei <git@fwei.tk>2017-01-21 15:18:31 -0500
committerFranklin Wei <git@fwei.tk>2017-12-23 21:01:26 -0500
commita855d6202536ff28e5aae4f22a0f31d8f5b325d0 (patch)
tree8c75f224dd64ed360505afa8843d016b0d75000b /apps/plugins/sdl/src/joystick/SDL_sysjoystick.h
parent01c6dcf6c7b9bb1ad2fa0450f99bacc5f3d3e04b (diff)
downloadrockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.tar.gz
rockbox-a855d6202536ff28e5aae4f22a0f31d8f5b325d0.zip
Port of Duke Nukem 3D
This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL for Rockbox. Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9
Diffstat (limited to 'apps/plugins/sdl/src/joystick/SDL_sysjoystick.h')
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1/*
2 SDL - Simple DirectMedia Layer
3 Copyright (C) 1997-2012 Sam Lantinga
4
5 This library is SDL_free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
19 Sam Lantinga
20 slouken@libsdl.org
21*/
22#include "SDL_config.h"
23
24/* This is the system specific header for the SDL joystick API */
25
26#include "SDL_joystick.h"
27
28/* The SDL joystick structure */
29struct _SDL_Joystick {
30 Uint8 index; /* Device index */
31 const char *name; /* Joystick name - system dependent */
32
33 int naxes; /* Number of axis controls on the joystick */
34 Sint16 *axes; /* Current axis states */
35
36 int nhats; /* Number of hats on the joystick */
37 Uint8 *hats; /* Current hat states */
38
39 int nballs; /* Number of trackballs on the joystick */
40 struct balldelta {
41 int dx;
42 int dy;
43 } *balls; /* Current ball motion deltas */
44
45 int nbuttons; /* Number of buttons on the joystick */
46 Uint8 *buttons; /* Current button states */
47
48 struct joystick_hwdata *hwdata; /* Driver dependent information */
49
50 int ref_count; /* Reference count for multiple opens */
51};
52
53/* Function to scan the system for joysticks.
54 * Joystick 0 should be the system default joystick.
55 * This function should return the number of available joysticks, or -1
56 * on an unrecoverable fatal error.
57 */
58extern int SDL_SYS_JoystickInit(void);
59
60/* Function to get the device-dependent name of a joystick */
61extern const char *SDL_SYS_JoystickName(int index);
62
63/* Function to open a joystick for use.
64 The joystick to open is specified by the index field of the joystick.
65 This should fill the nbuttons and naxes fields of the joystick structure.
66 It returns 0, or -1 if there is an error.
67 */
68extern int SDL_SYS_JoystickOpen(SDL_Joystick *joystick);
69
70/* Function to update the state of a joystick - called as a device poll.
71 * This function shouldn't update the joystick structure directly,
72 * but instead should call SDL_PrivateJoystick*() to deliver events
73 * and update joystick device state.
74 */
75extern void SDL_SYS_JoystickUpdate(SDL_Joystick *joystick);
76
77/* Function to close a joystick after use */
78extern void SDL_SYS_JoystickClose(SDL_Joystick *joystick);
79
80/* Function to perform any system-specific joystick related cleanup */
81extern void SDL_SYS_JoystickQuit(void);
82