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/* Copyright (c) 2014-2015, 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.
*/
#pragma once
#include <vector>
#include "compat/timer.hpp"
#include "api/plugin-support.hpp"
#include "mappings.hpp"
#include "simple-mat.hpp"
#include "selected-libraries.hpp"
#include "spline-widget/spline.hpp"
#include "main-settings.hpp"
#include "options/options.hpp"
#include "tracklogger.hpp"
#include <QMutex>
#include <QThread>
#include <atomic>
#include <cmath>
#include "export.hpp"
using Pose = Mat<double, 6, 1>;
struct bits
{
enum flags {
f_center = 1 << 0,
f_enabled = 1 << 1,
f_zero = 1 << 2,
f_tcomp_disabled = 1 << 3,
f_should_quit = 1 << 4,
};
std::atomic<unsigned> b;
void set(flags flag_, bool val_)
{
unsigned b_(b);
const unsigned flag = unsigned(flag_);
const unsigned val = unsigned(!!val_);
while (!b.compare_exchange_weak(b_,
unsigned((b_ & ~flag) | (flag * val)),
std::memory_order_seq_cst,
std::memory_order_seq_cst))
{ /* empty */ }
}
void negate(flags flag_)
{
unsigned b_(b);
const unsigned flag = unsigned(flag_);
while (!b.compare_exchange_weak(b_,
(b_ & ~flag) | (flag & ~b_),
std::memory_order_seq_cst,
std::memory_order_seq_cst))
{ /* empty */ }
}
bool get(flags flag)
{
return !!(b & flag);
}
bits() : b(0u)
{
set(f_center, true);
set(f_enabled, true);
set(f_zero, false);
set(f_tcomp_disabled, false);
set(f_should_quit, false);
}
};
class OPENTRACK_LOGIC_EXPORT Tracker : private QThread, private bits
{
Q_OBJECT
private:
using rmat = euler::rmat;
using euler_t = euler::euler_t;
QMutex mtx;
main_settings s;
Mappings& m;
Timer t;
Pose output_pose, raw_6dof, last_mapped, last_raw;
Pose newpose;
SelectedLibraries const& libs;
// The owner of the reference is the main window.
// This design might be usefull if we decide later on to swap out
// the logger while the tracker is running.
TrackLogger &logger;
struct state
{
rmat center_yaw, center_pitch, center_roll;
rmat rot_center;
rmat camera;
rmat rotation, ry, rp, rr;
state() : center_yaw(rmat::eye()), center_pitch(rmat::eye()), center_roll(rmat::eye()), rot_center(rmat::eye())
{}
};
state real_rotation, scaled_rotation;
euler_t t_center;
double map(double pos, Map& axis);
void logic();
void t_compensate(const rmat& rmat, const euler_t& ypr, euler_t& output,
bool disable_tx, bool disable_ty, bool disable_tz);
void run() override;
static constexpr double r2d = 180. / M_PI;
static constexpr double d2r = M_PI / 180.;
// note: float exponent base is 2
static constexpr double c_mult = 4;
static constexpr double c_div = 1./c_mult;
public:
Tracker(Mappings& m, SelectedLibraries& libs, TrackLogger &logger);
~Tracker();
rmat get_camera_offset_matrix(double c);
void get_raw_and_mapped_poses(double* mapped, double* raw) const;
void start() { QThread::start(); }
void center() { set(f_center, true); }
void set_toggle(bool value) { set(f_enabled, value); }
void set_zero(bool value) { set(f_zero, value); }
void set_tcomp_disabled(bool x) { set(f_tcomp_disabled, x); }
void zero() { negate(f_zero); }
void toggle_enabled() { negate(f_enabled); }
};
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