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/* Copyright (c) 2013-2015, 2017 Stanislaw Halik <sthalik@misaki.pl>
* Copyright (c) 2015 Wim Vriend
*
* 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 "compat/ndebug-guard.hpp"
#include <cassert>
#include "ftnoir_protocol_ft.h"
#include "csv/csv.h"
#include "opentrack-library-path.h"
#include <atomic>
#include <cmath>
#include <windows.h>
check_for_first_run freetrack::runonce_check = check_for_first_run();
freetrack::freetrack() :
shm(FREETRACK_HEAP, FREETRACK_MUTEX, sizeof(FTHeap)),
pMemData((FTHeap*) shm.ptr()),
viewsStart(nullptr),
viewsStop(nullptr),
intGameID(-1)
{
runonce_check.set_enabled(s.close_protocols_on_exit);
QObject::connect(&s.close_protocols_on_exit,
static_cast<void (base_value::*)(bool) const>(&value<bool>::valueChanged),
[] (bool flag) -> void { runonce_check.set_enabled(flag); });
runonce_check.try_runonce();
}
freetrack::~freetrack()
{
if (viewsStop != NULL) {
viewsStop();
FTIRViewsLib.unload();
}
dummyTrackIR.close();
}
static_assert(sizeof(LONG) == sizeof(std::int32_t), "");
inline void store(float volatile& place, const float value)
{
union
{
float f32;
LONG i32 alignas(alignof(float));
} value_;
value_.f32 = value;
static_assert(sizeof(value_) == sizeof(float), "");
static_assert(offsetof(decltype(value_), f32) == offsetof(decltype(value_), i32), "");
(void)InterlockedExchange((LONG volatile*)&place, value_.i32);
}
inline void store(std::int32_t volatile& place, std::int32_t value)
{
(void)InterlockedExchange((LONG volatile*) &place, value);
}
inline void store(std::uint8_t volatile& place, std::uint8_t value)
{
(void)InterlockedExchange8((char volatile*) &place, char(value));
}
inline std::int32_t load(std::int32_t volatile& place)
{
return InterlockedCompareExchange((volatile LONG*) &place, 0, 0);
}
void freetrack::pose(const double* headpose)
{
const float yaw = -degrees_to_rads(headpose[Yaw]);
const float roll = degrees_to_rads(headpose[Roll]);
const float tx = float(headpose[TX] * 10);
const float ty = float(headpose[TY] * 10);
const float tz = float(headpose[TZ] * 10);
// HACK: Falcon BMS makes a "bump" if pitch is over the value -sh 20170615
const bool is_crossing_90 = std::fabs(headpose[Pitch] - 90) < 1e-4;
const float pitch = -degrees_to_rads(is_crossing_90 ? 89.86 : headpose[Pitch]);
FTHeap volatile* ft = pMemData;
FTData volatile* data = &ft->data;
store(data->X, tx);
store(data->Y, ty);
store(data->Z, tz);
store(data->Yaw, yaw);
store(data->Pitch, pitch);
store(data->Roll, roll);
const std::int32_t id = load(ft->GameID);
if (intGameID != id)
{
QString gamename;
unsigned char table[8] {};
(void)CSV::getGameData(id, (unsigned char*)table, gamename);
for (unsigned k = 0; k < 8; k++)
store(pMemData->table[k], table[k]);
store(ft->GameID2, id);
store(data->DataID, 0);
intGameID = id;
QMutexLocker foo(&game_name_mutex);
connected_game = gamename;
}
else
(void)InterlockedAdd((LONG volatile*)&data->DataID, 1);
}
float freetrack::degrees_to_rads(double degrees)
{
return float(degrees*M_PI/180);
}
void freetrack::start_tirviews()
{
QString aFileName = OPENTRACK_BASE_PATH + OPENTRACK_LIBRARY_PATH "TIRViews.dll";
if ( QFile::exists( aFileName )) {
FTIRViewsLib.setFileName(aFileName);
FTIRViewsLib.load();
viewsStart = (importTIRViewsStart) FTIRViewsLib.resolve("TIRViewsStart");
if (viewsStart == NULL) {
qDebug() << "FTServer::run() says: TIRViewsStart function not found in DLL!";
}
else {
qDebug() << "FTServer::run() says: TIRViewsStart executed!";
viewsStart();
}
//
// Load the Stop function from TIRViews.dll. Call it when terminating the thread.
//
viewsStop = (importTIRViewsStop) FTIRViewsLib.resolve("TIRViewsStop");
if (viewsStop == NULL) {
qDebug() << "FTServer::run() says: TIRViewsStop function not found in DLL!";
}
}
}
void freetrack::start_dummy() {
static const QString program = OPENTRACK_BASE_PATH + OPENTRACK_LIBRARY_PATH "TrackIR.exe";
dummyTrackIR.setProgram("\"" + program + "\"");
dummyTrackIR.start();
}
void freetrack::set_protocols(bool ft, bool npclient)
{
static const QString program_dir = OPENTRACK_BASE_PATH + OPENTRACK_LIBRARY_PATH;
// Registry settings (in HK_USER)
QSettings settings_ft("Freetrack", "FreetrackClient");
QSettings settings_npclient("NaturalPoint", "NATURALPOINT\\NPClient Location");
if (ft)
settings_ft.setValue("Path", program_dir);
else
settings_ft.setValue("Path", "");
if (npclient)
settings_npclient.setValue("Path", program_dir);
else
settings_npclient.setValue("Path", "");
}
bool freetrack::correct()
{
if (!shm.success())
return false;
bool use_ft = false, use_npclient = false;
switch (s.intUsedInterface) {
case 0:
use_ft = true;
use_npclient = true;
break;
case 1:
use_ft = true;
break;
case 2:
use_npclient = true;
break;
default:
break;
}
set_protocols(use_ft, use_npclient);
if (s.useTIRViews && use_npclient)
start_tirviews();
pMemData->data.DataID = 1;
pMemData->data.CamWidth = 100;
pMemData->data.CamHeight = 250;
#if 0
store(pMemData->data.X1, float(100));
store(pMemData->data.Y1, float(200));
store(pMemData->data.X2, float(300));
store(pMemData->data.Y2, float(200));
store(pMemData->data.X3, float(300));
store(pMemData->data.Y3, float(100));
#endif
store(pMemData->GameID2, 0);
for (int i = 0; i < 8; i++)
store(pMemData->table[i], 0);
// more games need the dummy executable than previously thought
if (use_npclient)
start_dummy();
return true;
}
OPENTRACK_DECLARE_PROTOCOL(freetrack, FTControls, freetrackDll)
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