/// <summary>
/// 技術の研究に要する日数を取得する
/// </summary>
/// <param name="tech">技術項目</param>
/// <param name="team">研究機関</param>
/// <param name="date">開始日</param>
/// <returns>研究に要する日数</returns>
private static int GetTechDays(TechItem tech, Team team, GameDate date)
{
int offset = date.Difference(new GameDate(tech.Year));
int days = 0;
foreach (TechComponent component in tech.Components)
{
int day = GetComponentDays(component, offset, team);
offset += day;
days += day;
}
return(days);
}
