summaryrefslogtreecommitdiff
path: root/src/joystick.h
blob: 87d1e81a97fd50f1e40714cee0baa0e2c8af10c4 (plain) (blame)
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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2012  The ManaPlus Developers
 *
 *  This file is part of The ManaPlus Client.
 *
 *  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, see <http://www.gnu.org/licenses/>.
 */

#ifndef JOYSTICK_H
#define JOYSTICK_H

#include <SDL.h>

#include <string>
#include <vector>

class Joystick
{
    public:
        /**
         * Number of buttons we can handle.
         */
        enum
        {
            MAX_BUTTONS = 64
        };

        /**
         * 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 open();

        void close();

        bool isEnabled() const
        { return mEnabled; }

        void setNumber(int n);

        static void setEnabled(bool enabled)
        { mEnabled = enabled; }

        static void getNames(std::vector <std::string> &names);

        /**
         * 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); };

        int getNumber() const
        { return mNumber; }

        void setUseInactive(bool b)
        { mUseInactive = b; }

    protected:
        unsigned char mDirection;
        bool mButtons[MAX_BUTTONS];
        SDL_Joystick *mJoystick;

        int mUpTolerance;
        int mDownTolerance;
        int mLeftTolerance;
        int mRightTolerance;
        bool mCalibrating;
        int mNumber;
        bool mCalibrated;
        int mButtonsNumber;
        bool mUseInactive;
        bool mHaveHats;

        /**
         * Is joystick support enabled.
         */
        static bool mEnabled;
        static int joystickCount;

        void doCalibration();
};

extern Joystick *joystick;

#endif // JOYSTICK_H