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#include "vjoystick.h"
#include "opentrack/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()
{
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);
}
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)
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