summaryrefslogtreecommitdiff
path: root/src/input/joystick.h
blob: 7991da5c327bef58ac8eed141c2424c02776fae7 (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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/*
 *  The ManaPlus Client
 *  Copyright (C) 2004-2009  The Mana World Development Team
 *  Copyright (C) 2009-2010  The Mana Developers
 *  Copyright (C) 2011-2019  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 INPUT_JOYSTICK_H
#define INPUT_JOYSTICK_H

#include "events/inputevent.h"

PRAGMA48(GCC diagnostic push)
PRAGMA48(GCC diagnostic ignored "-Wshadow")
#include <SDL_events.h>
PRAGMA48(GCC diagnostic pop)

class Joystick final
{
    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() A_WARN_UNUSED
        { return joystickCount; }

        /**
         * Constructor, pass the number of the joystick the new object
         * should access.
         */
        explicit Joystick(const int no);

        A_DELETE_COPY(Joystick)

        ~Joystick();

        bool open();

        void close();

        static bool isEnabled() A_WARN_UNUSED
        { return mEnabled; }

        void setNumber(const int n);

        constexpr2 static void setEnabled(const bool enabled) noexcept2
        { mEnabled = enabled; }

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

        /**
         * Updates the direction and button information.
         */
        void logic();

        void startCalibration();

        void finishCalibration();

        bool isCalibrating() const noexcept2 A_WARN_UNUSED
        { return mCalibrating; }

        bool buttonPressed(const unsigned char no) const A_WARN_UNUSED;

        bool isUp() const noexcept2 A_WARN_UNUSED
        { return mEnabled && ((mDirection & UP) != 0); }

        bool isDown() const noexcept2 A_WARN_UNUSED
        { return mEnabled && ((mDirection & DOWN) != 0); }

        bool isLeft() const noexcept2 A_WARN_UNUSED
        { return mEnabled && ((mDirection & LEFT) != 0); }

        bool isRight() const noexcept2 A_WARN_UNUSED
        { return mEnabled && ((mDirection & RIGHT) != 0); }

        int getNumber() const noexcept2 A_WARN_UNUSED
        { return mNumber; }

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

        void update();

        KeysVector *getActionVector(const SDL_Event &event) A_WARN_UNUSED;

        KeysVector *getActionVectorByKey(const int i) A_WARN_UNUSED;

        int getButtonFromEvent(const SDL_Event &event) const A_WARN_UNUSED;

        bool isActionActive(const InputActionT index) const A_WARN_UNUSED;

        bool validate() const A_WARN_UNUSED;

        void handleRepeat(const int time);

        void resetRepeat(const int key);

        void reload();

    protected:
        unsigned char mDirection;

        bool mActiveButtons[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;

        KeyToActionMap mKeyToAction;

        KeyToIdMap mKeyToId;

        KeyTimeMap mKeyTimeMap;

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

        void doCalibration();
};

extern Joystick *joystick;

#endif  // INPUT_JOYSTICK_H