summaryrefslogtreecommitdiffhomepage
path: root/proto-vjoystick/vjoystick.cpp
blob: ad582b6dca0ffd79c552f4eb07e4a8803c3a3ae6 (plain)
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
#include "vjoystick.h"
#include "api/plugin-api.hpp"

#include <cstring>
#include <QDebug>

#include <QPushButton>
#include <QMessageBox>
#include <QDesktopServices>
#include <QUrl>

// required for api headers
#include <windows.h>

#undef PPJOY_MODE
#include <public.h>
#include <vjoyinterface.h>

#define OPENTRACK_VJOYSTICK_ID 1

template<typename t, typename u, typename v>
static t clamp(t val, u min, v max)
{
    if (val < min)
        return t(min);
    if (val > max)
        return t(max);
    return val;
}

const unsigned char handle::axis_ids[6] =
{
    HID_USAGE_X,
    HID_USAGE_Y,
    HID_USAGE_Z,
    HID_USAGE_RX,
    HID_USAGE_RY,
    HID_USAGE_RZ,
//    HID_USAGE_SL0,
//    HID_USAGE_SL1,
//    HID_USAGE_WHL,
};

constexpr double handle::val_minmax[6];

void handle::init()
{
#if 0
    bool ret = true;

    for (unsigned i = 0; i < axis_count; i++)
    {
        ret &= GetVJDAxisExist(OPENTRACK_VJOYSTICK_ID, axis_ids[i]);
        if (!ret) { qDebug() << "axis" << i << "doesn't exist"; break; }
        ret &= GetVJDAxisMin(OPENTRACK_VJOYSTICK_ID, axis_ids[i], &axis_min[i]);
        if (!ret) { qDebug() << "axis" << i << "can't get min value"; break; };
        ret &= GetVJDAxisMax(OPENTRACK_VJOYSTICK_ID, axis_ids[i], &axis_max[i]);
        if (!ret) { qDebug() << "axis" << i << "can't get max value"; break; };
    }

    if (!ret)
    {
        (void) RelinquishVJD(OPENTRACK_VJOYSTICK_ID);
        joy_state = state_fail;
    }
    else
        (void) ResetVJD(OPENTRACK_VJOYSTICK_ID);
#else
    (void) ResetVJD(OPENTRACK_VJOYSTICK_ID);
#endif
}

handle::handle()
{
    const bool ret = AcquireVJD(OPENTRACK_VJOYSTICK_ID);
    if (!ret)
    {
        if (!isVJDExists(OPENTRACK_VJOYSTICK_ID))
            joy_state = state_notent;
        else
            joy_state = state_fail;
    }
    else
    {
        joy_state = state_success;
        init();
    }
}

handle::~handle()
{
    if (joy_state == state_success)
    {
        (void) RelinquishVJD(OPENTRACK_VJOYSTICK_ID);
        joy_state = state_fail;
    }
}

LONG handle::to_axis_value(unsigned axis_id, double val)
{
    const double minmax = val_minmax[axis_id];
    const double min = axis_min[axis_id];
    const double max = axis_max[axis_id];

    return LONG(clamp((val+minmax) * max / (2*minmax) - min, min, max));
}

vjoystick_proto::vjoystick_proto()
{
    if (h.get_state() != state_success)
    {
        QMessageBox msgbox;
        msgbox.setIcon(QMessageBox::Critical);
        msgbox.setText("vjoystick driver missing");
        msgbox.setInformativeText("vjoystick won't work without the driver installed.");

        QPushButton* driver_button = msgbox.addButton("Download the driver", QMessageBox::ActionRole);
        QPushButton* project_site_button = msgbox.addButton("Visit project site", QMessageBox::ActionRole);
        msgbox.addButton(QMessageBox::Close);

        (void) msgbox.exec();

        if (msgbox.clickedButton() == driver_button)
        {
            static const char* download_driver_url = "https://sourceforge.net/projects/vjoystick/files/latest/download";
            QDesktopServices::openUrl(QUrl(download_driver_url, QUrl::StrictMode));
        }
        else if (msgbox.clickedButton() == project_site_button)
        {
            static const char* project_site_url = "http://vjoystick.sourceforge.net/site/";
            QDesktopServices::openUrl(QUrl(project_site_url, QUrl::StrictMode));
        }
    }
}

vjoystick_proto::~vjoystick_proto()
{
}

void vjoystick_proto::pose(const double *pose)
{
    if (h.get_state() != state_success)
        return;

    for (unsigned i = 0; i < handle::axis_count; i++)
    {
        SetAxis(h.to_axis_value(i, pose[i]), OPENTRACK_VJOYSTICK_ID, handle::axis_ids[i]);
    }
}

OPENTRACK_DECLARE_PROTOCOL(vjoystick_proto, vjoystick_dialog, vjoystick_metadata)