File indexing completed on 2024-04-21 03:51:15

 /*.
     SPDX-FileCopyrightText: 2007 Vladimir Kuznetsov <ks.vladimir@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef SIMULATIONTHREAD_H
 #define SIMULATIONTHREAD_H
 
 #include <QMutex>
 #include <QThread>
 #include <QWaitCondition>
 
 namespace StepCore {
     class World;
 }
 
 /**
  * Simulation thread only changes properties of items,
  * not their count or addresses, so locking is required for
  *  - any writes
  *  - reads of item properties
  *
  * @author Vladimir Kuznetsov
  */
 class SimulationThread: public QThread
 {
     Q_OBJECT
 
 public:
     explicit SimulationThread(StepCore::World** world)
         : _world(world), _stopThread(0), _delta(0) {}
     ~SimulationThread();
 
     void run() override;
     void doWorldEvolve(double delta);
     QMutex* mutex() { return &_mutex; }
 
 signals:
     void worldEvolveDone(int result);
 
 protected:
     StepCore::World** _world;
     bool              _stopThread;
     double            _delta;
     QMutex            _mutex;
     QWaitCondition    _waitCondition;
 };
 
 #endif // SIMULATIONTHREAD_H