root/lang/d/amanodemo/SDL/SDL_joystick.d @ 21708

Revision 5572, 4.4 kB (checked in by itkz, 7 years ago)

gamedemo (amano korosu / takesako Nice boat.)

Line 
1/*
2    SDL - Simple DirectMedia Layer
3    Copyright (C) 1997, 1998, 1999, 2000, 2001  Sam Lantinga
4
5    This library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Library General Public
7    License as published by the Free Software Foundation; either
8    version 2 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    Library General Public License for more details.
14
15    You should have received a copy of the GNU Library General Public
16    License along with this library; if not, write to the Free
17    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18
19    Sam Lantinga
20    slouken@devolution.com
21*/
22
23/* Include file for SDL joystick event handling */
24
25import SDL_types;
26
27extern(C):
28
29/* In order to use these functions, SDL_Init() must have been called
30   with the SDL_INIT_JOYSTICK flag.  This causes SDL to scan the system
31   for joysticks, and load appropriate drivers.
32*/
33
34/* The joystick structure used to identify an SDL joystick */
35struct SDL_Joystick { }
36
37/* Function prototypes */
38/*
39 * Count the number of joysticks attached to the system
40 */
41int SDL_NumJoysticks();
42
43/*
44 * Get the implementation dependent name of a joystick.
45 * This can be called before any joysticks are opened.
46 * If no name can be found, this function returns NULL.
47 */
48char *SDL_JoystickName(int device_index);
49
50/*
51 * Open a joystick for use - the index passed as an argument refers to
52 * the N'th joystick on the system.  This index is the value which will
53 * identify this joystick in future joystick events.
54 *
55 * This function returns a joystick identifier, or NULL if an error occurred.
56 */
57SDL_Joystick *SDL_JoystickOpen(int device_index);
58
59/*
60 * Returns 1 if the joystick has been opened, or 0 if it has not.
61 */
62int SDL_JoystickOpened(int device_index);
63
64/*
65 * Get the device index of an opened joystick.
66 */
67int SDL_JoystickIndex(SDL_Joystick *joystick);
68
69/*
70 * Get the number of general axis controls on a joystick
71 */
72int SDL_JoystickNumAxes(SDL_Joystick *joystick);
73
74/*
75 * Get the number of trackballs on a joystick
76 * Joystick trackballs have only relative motion events associated
77 * with them and their state cannot be polled.
78 */
79int SDL_JoystickNumBalls(SDL_Joystick *joystick);
80
81/*
82 * Get the number of POV hats on a joystick
83 */
84int SDL_JoystickNumHats(SDL_Joystick *joystick);
85
86/*
87 * Get the number of buttons on a joystick
88 */
89int SDL_JoystickNumButtons(SDL_Joystick *joystick);
90
91/*
92 * Update the current state of the open joysticks.
93 * This is called automatically by the event loop if any joystick
94 * events are enabled.
95 */
96void SDL_JoystickUpdate();
97
98/*
99 * Enable/disable joystick event polling.
100 * If joystick events are disabled, you must call SDL_JoystickUpdate()
101 * yourself and check the state of the joystick when you want joystick
102 * information.
103 * The state can be one of SDL_QUERY, SDL_ENABLE or SDL_IGNORE.
104 */
105int SDL_JoystickEventState(int state);
106
107/*
108 * Get the current state of an axis control on a joystick
109 * The state is a value ranging from -32768 to 32767.
110 * The axis indices start at index 0.
111 */
112Sint16 SDL_JoystickGetAxis(SDL_Joystick *joystick, int axis);
113
114/*
115 * Get the current state of a POV hat on a joystick
116 * The return value is one of the following positions:
117 */
118const uint SDL_HAT_CENTERED     = 0x00;
119const uint SDL_HAT_UP           = 0x01;
120const uint SDL_HAT_RIGHT        = 0x02;
121const uint SDL_HAT_DOWN         = 0x04;
122const uint SDL_HAT_LEFT         = 0x08;
123const uint SDL_HAT_RIGHTUP              = (SDL_HAT_RIGHT|SDL_HAT_UP);
124const uint SDL_HAT_RIGHTDOWN    = (SDL_HAT_RIGHT|SDL_HAT_DOWN);
125const uint SDL_HAT_LEFTUP               = (SDL_HAT_LEFT|SDL_HAT_UP);
126const uint SDL_HAT_LEFTDOWN             = (SDL_HAT_LEFT|SDL_HAT_DOWN);
127/*
128 * The hat indices start at index 0.
129 */
130Uint8 SDL_JoystickGetHat(SDL_Joystick *joystick, int hat);
131
132/*
133 * Get the ball axis change since the last poll
134 * This returns 0, or -1 if you passed it invalid parameters.
135 * The ball indices start at index 0.
136 */
137int SDL_JoystickGetBall(SDL_Joystick *joystick, int ball, int *dx, int *dy);
138
139/*
140 * Get the current state of a button on a joystick
141 * The button indices start at index 0.
142 */
143Uint8 SDL_JoystickGetButton(SDL_Joystick *joystick, int button);
144
145/*
146 * Close a joystick previously opened with SDL_JoystickOpen()
147 */
148void SDL_JoystickClose(SDL_Joystick *joystick);
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