1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef JOYSTICK_H
#define JOYSTICK_H
#include <SDL.h>
class Joystick
{
public:
/**
* Number of buttons we can handle.
*/
enum
{
MAX_BUTTONS = 6
};
/**
* Directions, to be used as bitmask values.
*/
enum
{
UP = 1,
DOWN = 2,
LEFT = 4,
RIGHT = 8
};
/**
* Initializes the joystick subsystem.
*/
static void init();
/**
* Returns the number of available joysticks.
*/
static int getNumberOfJoysticks() { return joystickCount; }
/**
* Constructor, pass the number of the joystick the new object
* should access.
*/
Joystick(int no);
~Joystick();
bool isEnabled() const { return mEnabled; }
void setEnabled(bool enabled) { mEnabled = enabled; }
/**
* Updates the direction and button information.
*/
void update();
void startCalibration();
void finishCalibration();
bool isCalibrating() const { return mCalibrating; }
bool buttonPressed(unsigned char no) const;
bool isUp() const { return mEnabled && (mDirection & UP); };
bool isDown() const { return mEnabled && (mDirection & DOWN); };
bool isLeft() const { return mEnabled && (mDirection & LEFT); };
bool isRight() const { return mEnabled && (mDirection & RIGHT); };
protected:
unsigned char mDirection;
bool mButtons[MAX_BUTTONS];
SDL_Joystick *mJoystick;
int mUpTolerance, mDownTolerance, mLeftTolerance, mRightTolerance;
bool mCalibrating;
bool mEnabled;
static int joystickCount;
void doCalibration();
};
#endif // JOYSTICK_H
|
