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/* Copyright (c) 2017, Eike Ziller *
* *
* 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 "iokitprotocol.h"
#include "foohidjoystick.h"
#include "iokitprotocoldialog.h"
#include "compat/macros.hpp"
#include <QDebug>
IOKitProtocol::IOKitProtocol()
{
joystick = std::make_unique<FooHIDJoystick>("OpenTrack Virtual Joystick",
"SN 983457");
if (joystick->hasError())
qWarning("%s\n", qPrintable(joystick->errorMessage()));
}
module_status IOKitProtocol::initialize()
{
if (!joystick)
return otr_tr("Load failure");
if (joystick->hasError())
{
QString msg = joystick->errorMessage();
if (msg.isEmpty())
msg = otr_tr("Unknown error");
return error(msg);
}
return status_ok();
}
static uint8_t valueToStick(FooHIDJoystick *stick, double min, double value, double max)
{
return uint8_t(qBound(stick->minValue(),
int(round((value - min) * stick->range() / (max - min) - stick->minValue())),
stick->minValue() + stick->range()));
}
void IOKitProtocol::pose(const double *headpose)
{
const uint8_t x = valueToStick(joystick.get(), -75., headpose[0], +75.);
const uint8_t y = valueToStick(joystick.get(), -75., headpose[1], +75.);
const uint8_t z = valueToStick(joystick.get(), -75., headpose[2], +75.);
const uint8_t rx = valueToStick(joystick.get(), -180., headpose[3], +180.);
const uint8_t ry = valueToStick(joystick.get(), -180., headpose[4], +180.);
const uint8_t rz = valueToStick(joystick.get(), -180., headpose[5], +180.);
joystick->setValue({x, y, z, rx, ry, rz});
}
QString IOKitProtocol::game_name()
{
return QString();
}
OPENTRACK_DECLARE_PROTOCOL(IOKitProtocol, IOKitProtocolDialog, IOKitProtocolMetadata)
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