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/* Copyright (c) 2016, Stanislaw Halik <sthalik@misaki.pl>
* Permission to use, copy, modify, and/or distribute this
* software for any purpose with or without fee is hereby granted,
* provided that the above copyright notice and this permission
* notice appear in all copies.
*/
#include "vjoystick.h"
#include <cmath>
#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
static constexpr inline unsigned axis_count = 6;
static constexpr unsigned char axis_ids[axis_count] =
{
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,
};
static constexpr double val_minmax[axis_count] =
{
50,
50,
50,
180,
180,
180
};
void handle::init()
{
for (unsigned i = 0; i < axis_count; i++)
{
if (!GetVJDAxisExist(OPENTRACK_VJOYSTICK_ID, axis_ids[i]))
{
// avoid floating point division by zero
axis_min[i] = 0;
axis_max[i] = 1;
continue;
}
GetVJDAxisMin(OPENTRACK_VJOYSTICK_ID, axis_ids[i], &axis_min[i]);
GetVJDAxisMax(OPENTRACK_VJOYSTICK_ID, axis_ids[i], &axis_max[i]);
}
(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];
const double x = (val+minmax) * max / (2*minmax) - min;
return std::fmax(min, std::fmin(x, max));
}
vjoystick_proto::vjoystick_proto()
{
}
vjoystick_proto::~vjoystick_proto()
{
}
bool vjoystick_proto::correct()
{
if (h.get_state() != state_success)
{
QMessageBox msgbox;
msgbox.setIcon(QMessageBox::Critical);
msgbox.setText(tr("vjoystick driver missing"));
msgbox.setInformativeText(tr("vjoystick won't work without the driver installed."));
QPushButton* driver_button = msgbox.addButton(tr("Download the driver"), QMessageBox::ActionRole);
QPushButton* project_site_button = msgbox.addButton(tr("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));
}
}
return h.get_state() == state_success;
}
void vjoystick_proto::pose(const double *pose)
{
if (h.get_state() != state_success)
return;
for (unsigned i = 0; i < axis_count; i++)
SetAxis(h.to_axis_value(i, pose[i]), OPENTRACK_VJOYSTICK_ID, axis_ids[i]);
}
OPENTRACK_DECLARE_PROTOCOL(vjoystick_proto, vjoystick_dialog, vjoystick_metadata)
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