405 lines
12 KiB
C++
405 lines
12 KiB
C++
/****************************************************************************
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** ScStw Libraries
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** Copyright (C) 2020 Itsblue development
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**
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** This program is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program. If not, see <http://www.gnu.org/licenses/>.
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****************************************************************************/
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#include "../headers/scstwrace.h"
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ScStwRace::ScStwRace(QObject *parent) : QObject(parent)
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{
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this->state = IDLE;
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// configure the loop that waits for the sound effect to finish
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this->soundPlayer = new ScStwSoundPlayer();
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// configure timer that handles the delay between the start commands
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this->nextActionTimer = new QTimer(this);
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nextActionTimer->setSingleShot(true);
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this->nextActionLoop = new QEventLoop();
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this->nextStartAction = None;
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connect(this->nextActionTimer, &QTimer::timeout, this->nextActionLoop, &QEventLoop::quit);
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connect(this, &ScStwRace::nextStartActionChanged, this, &ScStwRace::nextStartActionDetailsChanged);
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// write default settings
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this->startActionSettings.insert(Start, {{"Enabled", true}, {"Delay", 1}});
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this->writeStartActionSetting(AtYourMarks, false, 0);
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this->writeStartActionSetting(Ready, false, 0);
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this->setSoundVolume(1.0);
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}
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// --------------------------
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// --- Main Functionality ---
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// --------------------------
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int ScStwRace::start(bool asyncronous) {
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if(this->state != IDLE) {
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return ScStw::CurrentStateNotVaildForOperationError;
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}
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qDebug() << "+ [INFO] starting race";
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this->setState(STARTING);
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if(asyncronous) {
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QTimer::singleShot(1, [=](){this->playSoundsAndStartTimers(None);});
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}
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else
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this->playSoundsAndStartTimers(None);
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return ScStw::Success;
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}
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int ScStwRace::stop() {
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if(this->state != RUNNING && this->state != STARTING) {
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return ScStw::CurrentStateNotVaildForOperationError;
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}
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qDebug() << "+ [INFO] stopping race";
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double timeOfStop = QDateTime::currentMSecsSinceEpoch();
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int returnCode = ScStw::Success;
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foreach(ScStwTimer *speedTimer, this->timers){
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if(!speedTimer->stop(timeOfStop) && speedTimer->getState() != ScStwTimer::DISABLED){
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returnCode = ScStw::InternalErrorTimerOperationFailed;
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}
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}
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if(returnCode == ScStw::Success) {
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this->setState(STOPPED);
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}
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return returnCode;
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}
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void ScStwRace::handleTimerStop() {
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if(this->state == RUNNING) {
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// find out which timer has won
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double lowestStoppedTime = -1;
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QList<ScStwTimer *> timersWhichHaveWonIds;
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// iterate through all timers and find the lowest time taht was stopped
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foreach(ScStwTimer * timer, this->timers) {
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if(timer->getCurrentTime() > 0 && (timer->getCurrentTime() <= lowestStoppedTime || lowestStoppedTime < 0)) {
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// this is the timer with the lowest stopped time
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lowestStoppedTime = timer->getCurrentTime();
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}
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}
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// append the timer(s) with the lowest stopped time to the winner list
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foreach(ScStwTimer * timer, this->timers) {
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if(timer->getCurrentTime() > 0
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&& (timer->getCurrentTime() <= lowestStoppedTime || lowestStoppedTime < 0)
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&& timer->getState() != ScStwTimer::RUNNING
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) {
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// this is the timer with the lowest stopped time
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timersWhichHaveWonIds.append(timer);
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}
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}
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// update the states of all timers
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foreach(ScStwTimer * timer, this->timers) {
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if(timer->getState() == ScStwTimer::RUNNING)
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continue;
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if(timersWhichHaveWonIds.contains(timer)) {
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timer->setResult(ScStwTimer::WON);
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}
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else {
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timer->setResult(ScStwTimer::LOST);
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}
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}
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}
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}
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int ScStwRace::reset() {
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if(this->state != STOPPED) {
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return ScStw::CurrentStateNotVaildForOperationError;
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}
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qDebug() << "+ [INFO] resetting race";
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int returnCode = ScStw::Success;
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foreach(ScStwTimer *speedTimer, this->timers){
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if(!speedTimer->reset() && speedTimer->getState() != ScStwTimer::DISABLED) {
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returnCode = ScStw::InternalErrorTimerOperationFailed;
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}
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}
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if(returnCode == ScStw::Success){
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this->setState(IDLE);
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}
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return returnCode;
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}
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int ScStwRace::cancel() {
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if(this->state != STARTING && this->state != RUNNING)
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return ScStw::CurrentStateNotVaildForOperationError;
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qDebug() << "[INFO][RACE] cancelling race";
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this->soundPlayer->cancel(this->soundVolume);
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this->nextActionTimer->stop();
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this->nextActionLoop->quit();
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this->nextStartAction = None;
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int returnCode = ScStw::Success;
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foreach(ScStwTimer *timer, this->timers){
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if(!timer->cancel() && timer->getState() != ScStwTimer::DISABLED)
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returnCode = ScStw::InternalErrorTimerOperationFailed;
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}
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return returnCode;
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}
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int ScStwRace::handleFalseStart() {
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if(this->getState() != STARTING && this->getState() != RUNNING)
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return ScStw::CurrentStateNotVaildForOperationError;
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int returnCode = ScStw::Success;
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// cancel all running timers
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foreach(ScStwTimer *timer, this->timers) {
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if(!timer->cancel() && timer->getState() != ScStwTimer::DISABLED && timer->getState() != ScStwTimer::FAILED)
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returnCode = ScStw::InternalErrorTimerOperationFailed;
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}
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this->setState(STOPPED);
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this->soundPlayer->cancel(this->soundVolume);
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return returnCode;
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}
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bool ScStwRace::playSoundsAndStartTimers(StartAction thisAction) {
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if(this->state != STARTING)
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return true;
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double timeOfSoundPlaybackStart;
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if(this->startActionSettings.contains(thisAction) && this->startActionSettings[thisAction]["Enabled"].toBool()) {
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if(!this->soundPlayer->play(thisAction, this->soundVolume, &timeOfSoundPlaybackStart))
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return false;
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if(this->state != STARTING)
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return true;
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}
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if(thisAction < Start) {
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this->nextStartAction = StartAction(thisAction + 1);
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qDebug() << "next action is: " << nextStartAction;
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int nextActionDelay = -1;
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if(this->startActionSettings.contains(this->nextStartAction) && this->startActionSettings[this->nextStartAction]["Enabled"].toBool()) {
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nextActionDelay = this->startActionSettings[this->nextStartAction]["Delay"].toInt();
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}
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// perform next action
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this->nextActionTimer->start(nextActionDelay > 0 ? nextActionDelay:1);
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if(nextActionDelay > 0)
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emit this->nextStartActionChanged();
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this->nextActionLoop->exec();
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return this->playSoundsAndStartTimers(this->nextStartAction);
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}
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// perform start
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// start all timers
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bool startOk = true;
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foreach(ScStwTimer *timer, this->timers){
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if(!timer->start(timeOfSoundPlaybackStart + 3100) && timer->getState() != ScStwTimer::DISABLED){
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startOk = false;
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}
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}
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if(!startOk) {
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qDebug() << "[ERROR][START] error staring all timers";
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return false;
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}
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if(!this->soundPlayer->waitForSoundFinish()) {
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qDebug() << "[ERROR][START] start sound wait error";
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return false;
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}
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// check if a false start occured
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if(this->state != STARTING)
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return true;
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nextStartAction = None;
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emit this->nextStartActionChanged();
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this->setState(RUNNING);
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return true;
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}
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void ScStwRace::setState(RaceState newState) {
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if(newState != this->state) {
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qDebug() << "[INFO][RACE] state changed: " << newState;
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this->state = newState;
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emit this->stateChanged(newState);
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if(this->state == IDLE) {
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// if we changed to IDLE -> enable timers
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foreach(ScStwTimer* timer, this->timerEnableQueque) {
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this->handleTimerEnable(timer);
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}
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this->timerEnableQueque.clear();
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}
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}
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}
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void ScStwRace::refreshTimerStates() {
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qDebug() << "[INFO][MAIN] refreshing timer states";
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// check if the race is over
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bool raceIsOver = true;
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foreach(ScStwTimer * timer, this->timers){
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if(timer->getState() < ScStwTimer::WON && timer->getState() != ScStwTimer::WAITING){
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// if the timer is not in stoped state
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raceIsOver = false;
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break;
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}
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else if(timer->getState() == ScStwTimer::WAITING) {
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this->handleTimerStop();
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}
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else if (timer->getState() == ScStwTimer::FAILED) {
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this->handleFalseStart();
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}
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}
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if(raceIsOver)
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this->setState(STOPPED);
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}
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// ------------------------
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// --- helper functions ---
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// ------------------------
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/**
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* @brief ScStwRace::handleTimerEnable function to enable timers at the right moment to prevent them from bricking the state machine
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* @param {ScStwExtensionControlledTimer*} timer timer to be enabled
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*/
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void ScStwRace::handleTimerEnable(ScStwTimer* timer) {
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if(this->state == IDLE) {
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if(timer->getState() == ScStwTimer::DISABLED) {
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timer->setDisabled(false);
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}
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else {
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timer->setDisabled(true);
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}
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}
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else {
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this->timerEnableQueque.append(timer);
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}
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}
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QVariantList ScStwRace::getNextStartActionDetails() {
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int nextActionDelay = 0;
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double nextActionDelayProg = -1;
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if(this->nextStartAction == AtYourMarks || this->nextStartAction == Ready) {
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// get the total delay and the delay progress of the next action timer
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double remaining = this->nextActionTimer->remainingTime();
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nextActionDelay = this->startActionSettings[this->nextStartAction]["Delay"].toInt();
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if(remaining < 0) {
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remaining = nextActionDelay;
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}
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nextActionDelayProg = 1 - (remaining / nextActionDelay);
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}
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return {
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this->nextStartAction,
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nextActionDelay,
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nextActionDelayProg
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};
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}
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bool ScStwRace::writeStartActionSetting(StartAction action, bool enabled, int delay) {
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if(action != AtYourMarks && action != Ready)
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return false;
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QVariantMap setting = {{"Enabled", enabled}, {"Delay", delay}};
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if(!this->startActionSettings.contains(action))
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this->startActionSettings.insert(action, setting);
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else
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this->startActionSettings[action] = setting;
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return true;
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}
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bool ScStwRace::setSoundVolume(double volume) {
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if(volume >= 0 && volume <= 1) {
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this->soundVolume = volume;
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return true;
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}
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else {
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return false;
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}
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}
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bool ScStwRace::addTimer(ScStwTimer *timer) {
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if(this->state != IDLE)
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return false;
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foreach(ScStwTimer *existingTimer, this->timers) {
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if(existingTimer == timer)
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return true;
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}
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this->timers.append(timer);
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connect(timer, &ScStwTimer::stateChanged, this, &ScStwRace::refreshTimerStates);
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connect(timer, &ScStwTimer::requestEnableChange, this, &ScStwRace::handleTimerEnable);
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connect(timer, &ScStwTimer::stateChanged, this, &ScStwRace::timersChanged);
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connect(timer, &ScStwTimer::reactionTimeChanged, this, &ScStwRace::timersChanged);
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return true;
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}
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ScStwRace::RaceState ScStwRace::getState() {
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return this->state;
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}
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ScStwRace::StartAction ScStwRace::getNextStartAction()
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{
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return this->nextStartAction;
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}
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QVariantList ScStwRace::getTimerDetailList() {
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QVariantList tmpTimers;
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foreach(ScStwTimer * timer, this->timers){
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QVariantMap tmpTimer;
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tmpTimer.insert("id", this->timers.indexOf(timer));
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tmpTimer.insert("state", timer->getState());
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tmpTimer.insert("currentTime", timer->getCurrentTime());
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tmpTimer.insert("reactionTime", timer->getReactionTime());
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tmpTimer.insert("text", timer->getText());
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tmpTimer.insert("letter", timer->getLetter());
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tmpTimers.append(tmpTimer);
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}
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return tmpTimers;
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}
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