simulation_recorder.h

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#pragma once
 
#include <string>
#include <vector>
#include <fstream>
 
 
namespace dnf_composer
{
    class Simulation;
 
    enum class RecordingIntervalUnit { Ticks, Milliseconds };
 
    class SimulationRecorder
    {
    public:
        void startRecording(const std::string& simName,
                            const std::string& elementId,
                            const std::string& componentName,
                            int sampleInterval,
                            RecordingIntervalUnit unit);
 
        void stopRecording(const std::string& elementId, const std::string& componentName);
 
        void stopAll();
 
        void update(const Simulation& sim);
 
        void takeSnapshot(const std::string& simName,
                          const std::string& elementId,
                          const std::string& componentName,
                          const Simulation& sim);
 
        bool isRecording(const std::string& elementId, const std::string& componentName) const;
 
        bool hasActiveRecordings() const;
 
    private:
        struct Session
        {
            std::string elementId;
            std::string componentName;
            int sampleInterval;
            RecordingIntervalUnit unit;
            std::ofstream file;
            double nextSampleAt; 
        };
 
        std::vector<Session> sessions;
 
        static void writeHeader(std::ofstream& file, size_t componentSize,
                                int sizeX = 1, int sizeY = 1);
        static void writeRow(std::ofstream& file, int ticks, double ms,
                             const std::vector<double>& component);
    };
}