/// <summary>
/// 路線建造コスト計算ロジック
/// </summary>
/// <param name="bestSpeed"></param>
/// <param name="laneSu"></param>
/// <param name="distance"></param>
/// <param name="railType"></param>
/// <param name="railGauge"></param>
/// <param name="isElectrified"></param>
/// <param name="taihisen"></param>
/// <param name="lineProperty"></param>
/// <param name="gameInfo"></param>
/// <returns></returns>
public static long CalcLineConstructionCost(
int bestSpeed, int laneSu, int distance,
RailTypeEnum railType, RailGaugeEnum?railGauge, bool?isElectrified,
TaihisenEnum taihisen, LinePropertyType lineProperty,
GameInfo gameInfo)
{
if (gameInfo is null)
{
throw new ArgumentNullException(nameof(gameInfo));
}
int railCostKeisu = gameInfo.LineMakeCost, year = gameInfo.Year, basicYear = gameInfo.BasicYear, economicIndex = gameInfo.CalcEconomicIndex();
long railCost;
long taihiCost;
int taihiKeisu;
if (laneSu == 3)
{
laneSu = 4;
}
switch (lineProperty)
{
case LinePropertyType.JapaneseInterCity:
railCost = (bestSpeed + 40) * (laneSu + 1) * (distance + 10) * 4;
taihiKeisu = 400;
break;
case LinePropertyType.Surburb:
railCost = (bestSpeed + 40) * (laneSu) * (distance + 1) * 6;
taihiKeisu = 500;
break;
case LinePropertyType.Outskirts:
railCost = (bestSpeed + 40) * (laneSu) * (distance + 1) * 8;
taihiKeisu = 700;
break;
case LinePropertyType.Plain:
railCost = (bestSpeed + 200) * (laneSu + 1) * (distance + 10) * 4 / 3;
taihiKeisu = 300;
break;
case LinePropertyType.Mountain:
if (bestSpeed > 80)
{
railCost = (bestSpeed + 200) * (laneSu + 1) * (distance + 10) * 4;
taihiKeisu = 500;
}
else
{
railCost = (bestSpeed + 40) * (laneSu + 1) * (distance + 10) * 4;
taihiKeisu = 400;
}
break;
case LinePropertyType.Alpine:
if (bestSpeed > 60)
{
railCost = (bestSpeed + 200) * (laneSu + 1) * (distance + 10) * 5;
taihiKeisu = 550;
}
else
{
railCost = (bestSpeed + 30) * (laneSu + 1) * (distance + 10) * 5;
taihiKeisu = 450;
}
break;
case LinePropertyType.Sea:
if (bestSpeed > 40)
{
railCost = (bestSpeed + 500) * (laneSu + 1) * (distance + 10) * 5;
taihiKeisu = 800;
}
else
{
railCost = 240 * (laneSu + 1) * (distance + 10) * 5;
taihiKeisu = 500;
}
break;
case LinePropertyType.RussianPlain:
railCost = (bestSpeed + 500) * (laneSu + 1) / 7 * (distance + 20) * 4;
taihiKeisu = 200;
break;
case LinePropertyType.Underground:
if (bestSpeed > 40)
{
railCost = (bestSpeed + 200) * (laneSu + 1) * (distance + 10) * 8;
taihiKeisu = 200;
}
else
{
railCost = 240 * (laneSu + 1) * (distance + 10);
taihiKeisu = 500;
}
break;
default:
throw new ArgumentException($"引数の内容が誤りです 内容:{lineProperty}", nameof(lineProperty));
}
//標準軌、リニア
if (railType == RailTypeEnum.LinearMotor || railGauge == RailGaugeEnum.Regular)
{
railCost = railCost * 6 / 5;
}
//電化(リニアは電化)
if (railType == RailTypeEnum.LinearMotor || isElectrified.GetValueOrDefault(true))
{
railCost = railCost * 3 / 2;
}
//リニア地下鉄(都営大江戸線、福岡市営地下鉄七隈線みたいな)
if (lineProperty == LinePropertyType.Underground && railType == RailTypeEnum.LinearMotor && bestSpeed < 200)
{
railCost /= 2;
}
switch (taihisen)
{
case TaihisenEnum.None:
taihiCost = 0;
break;
case TaihisenEnum.Every100km:
taihiCost = (distance / 100 + 1) * taihiKeisu * laneSu;
break;
case TaihisenEnum.Every50km:
taihiCost = (distance / 50 + 1) * taihiKeisu * laneSu;
break;
case TaihisenEnum.Every20km:
taihiCost = (distance / 20 + 1) * taihiKeisu * laneSu;
break;
case TaihisenEnum.Every10km:
taihiCost = (distance / 10 + 1) * taihiKeisu * laneSu;
break;
case TaihisenEnum.Every5km:
taihiCost = (distance / 5 + 1) * taihiKeisu * laneSu;
break;
case TaihisenEnum.Every2km:
taihiCost = (distance / 2 + 1) * taihiKeisu * laneSu;
break;
default:
throw new ArgumentException($"引数の内容が誤りです 内容:{taihisen}", nameof(taihisen));
}
var totalCost = railCost + taihiCost;
return(totalCost / 100 * railCostKeisu / 188 * (year / 10 - basicYear / 10 + 188) / 10 * economicIndex / 10);
}