-
Notifications
You must be signed in to change notification settings - Fork 0
/
SDLJoystick.h
130 lines (110 loc) · 4.2 KB
/
SDLJoystick.h
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
/*
* Copyright (C) 2007-2013 Team XBMC
* http://xbmc.org
*
* 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, or (at your option)
* 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 XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#ifndef SDL_JOYSTICK_H
#define SDL_JOYSTICK_H
#include "system.h" // for HAS_SDL_JOYSTICK
#include "settings/lib/ISettingCallback.h"
#include <vector>
#include <string>
#include <map>
#define JACTIVE_BUTTON 0x00000001
#define JACTIVE_AXIS 0x00000002
#define JACTIVE_HAT 0x00000004
#define JACTIVE_NONE 0x00000000
#define JACTIVE_HAT_UP 0x01
#define JACTIVE_HAT_RIGHT 0x02
#define JACTIVE_HAT_DOWN 0x04
#define JACTIVE_HAT_LEFT 0x08
#if defined(HAS_SDL_JOYSTICK) || defined(HAS_EVENT_SERVER)
struct AxisConfig {
int axis;
bool isTrigger;
int rest;
AxisConfig(int axis, bool isTrigger, int rest) : axis(axis), isTrigger(isTrigger), rest(rest) { }
};
typedef std::vector<AxisConfig> AxesConfig; // [<axis, isTrigger, rest state value>]
#endif
#ifdef HAS_SDL_JOYSTICK
#include <SDL2/SDL_joystick.h>
#include <SDL2/SDL_events.h>
#define MAX_AXISAMOUNT 32768
struct AxisState {
int val;
int rest;
bool trigger;
AxisState() : val(0), rest(0), trigger(false) { }
void reset() { val = rest; }
};
class CRegExp;
namespace boost { template <typename T> class shared_ptr; }
// Class to manage all connected joysticks
// Note: 'index' always refers to indices specific to this class,
// whereas 'ids' always refer to SDL instance id's
class CJoystick : public ISettingCallback
{
public:
CJoystick();
virtual void OnSettingChanged(const CSetting *setting);
void Initialize();
void Reset();
void Update();
void Update(SDL_Event& joyEvent);
bool GetAxis(std::string &joyName, int &id) const;
bool GetButton(std::string &joyName, int &id, bool consider_repeat = true);
bool GetHat(std::string &joyName, int &id, int &position, bool consider_repeat = true);
float GetAmount(std::string &joyName, int axisNum) const;
bool IsEnabled() const { return m_joystickEnabled; }
void SetEnabled(bool enabled = true);
float SetDeadzone(float val);
bool Reinitialize();
typedef std::vector<AxisConfig> AxesConfig; // [<axis, isTrigger, rest state value>]
void LoadAxesConfigs(const std::map<boost::shared_ptr<CRegExp>, AxesConfig>& axesConfigs);
void ApplyAxesConfigs();
private:
bool IsButtonActive() const { return m_ButtonIdx != -1; }
bool IsAxisActive() const { return m_AxisIdx != -1; }
bool IsHatActive() const { return m_HatIdx != -1; }
void AddJoystick(int joyIndex);
void RemoveJoystick(int id);
bool ReleaseJoysticks();
int GetAxisWithMaxAmount() const;
int JoystickIndex(const std::string &joyName) const;
int JoystickIndex(SDL_Joystick *joy) const;
int MapAxis(SDL_Joystick *joy, int axisNum) const ; // <joy, axis> --> axisIdx
void MapAxis(int axisIdx, SDL_Joystick *&joy, int &axisNum) const; // axisIdx --> <joy, axis>
int MapButton(SDL_Joystick *joy, int buttonNum) const; // <joy, button> --> buttonIdx
void MapButton(int buttonIdx, SDL_Joystick *&joy, int &buttonNum) const; // buttonIdx --> <joy, button>
int MapHat(SDL_Joystick *joy, int hatNum) const; // <joy, hat> --> hatIdx
void MapHat(int hatIdx, SDL_Joystick *&joy, int &hatNum) const; // hatIdx --> <joy, hat>
std::vector<AxisState> m_Axes;
int m_AxisIdx; // active axis
int m_ButtonIdx; // active button
uint8_t m_HatState; // state of active hat
int m_HatIdx; // active hat
int m_DeadzoneRange;
bool m_joystickEnabled;
uint32_t m_pressTicksButton;
uint32_t m_pressTicksHat;
std::map<int, SDL_Joystick*> m_Joysticks;
std::map<boost::shared_ptr<CRegExp>, AxesConfig> m_AxesConfigs; // <joy, <axis num, isTrigger, restState> >
};
extern CJoystick g_Joystick;
#endif
#endif