using System;

​

public class Work

{

    public DateTime startTime;

    public DateTime finishTime;

}

​

public class WorkManager

{

    public void StartWork(Tile tileToStartWorkOn)

    {

        if(tileToStartWorkOn.currentWork =! null)

            return; //ewentualnie mozesz tu zglosic jakis blad, ze juz cos pracuje na tile'u

        tileToStartWorkOn.currentWork = new Work() {startTime = DateTime.Now};

    }

    public void EndWork(Tile tileToEndWorkOn)

    {

        if(tileToEndWorkOn.currentWork == null)

            return; //ewentualnie mozesz tu zglosic jakis blad, ze nie ma pracy do zakonczenia na tym tile'u

        tileToEndWorkOn.currentWork.finishTime = DateTime.Now;

        CalculateWork(tileToEndWorkOn.currentWork);

        tileToEndWorkOn.currentWork = null;

    }

    public void CalculateWork(Work workToCalculate)

    {

        //tu liczysz prace, updateujesz inventory, etc;

    }

}

​

public class Tile

{

    public TileType type; //enum Twoj

    public Work currentWork;

    // (...)

}