/// <summary>
/// Invokes the AI strategy on the Similization item
/// </summary>
internal virtual void Invoke(AICity foreignCity)
{
if (foreignCity == null)
{
throw new ArgumentNullException("foreignCity");
}
if (!this.managedCities.Contains(foreignCity))
{
this.managedCities.Add(foreignCity);
foreignCity.ImprovementBuilt += new EventHandler <ImprovementBuiltEventArgs>(OnImprovementBuilt);
}
}
/// <summary>
/// Gets a new city from the village for the exploring units' country.
/// </summary>
/// <param name="v"></param>
/// <param name="explorer"></param>
/// <returns></returns>
private static City GetCity(Village v, Unit explorer)
{
City newCity = null;
if (explorer.GetType() == typeof(AIUnit) ||
explorer.GetType() == typeof(AISettler) ||
explorer.GetType() == typeof(AIWorker))
{
newCity = new AICity(explorer.Coordinates, explorer.ParentCountry);
}
else
{
newCity = new City(explorer.Coordinates, explorer.ParentCountry);
}
return(newCity);
}
/// <summary>
/// Settles a new city. This will create a new city (with the
/// given name), and remove the settler from the map.
/// </summary>
/// <param name="cityName">The name of the city to create.</param>
/// <returns>A <c>City</c> object for the city just created.</returns>
public override City Settle(string cityName)
{
GameRoot root = GameRoot.Instance;
GridCell cell = root.Grid.GetCell(this.Coordinates);
if (cell.City == null)
{
AICity newCity = new AICity(this.Coordinates, this.ParentCountry);
newCity.Name = cityName;
ParentCountry.Cities.Add(newCity);
//have to move to the next unit, since this unit no longer exists.
root.ActivateNextUnit();
return(newCity);
}
else
{
throw new InvalidOperationException(ServerResources.GridCellHasCity);
}
}
/// <summary>
/// Event handler for the <i>ImprovementBuilt</i> event of a city using this strategy.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected override void OnImprovementBuilt(object sender, ImprovementBuiltEventArgs e)
{
AICity city = e.City as AICity;
BuildableItem nextImprovement = null;
GameRoot root = GameRoot.Instance;
//what to do with what we just built?
if (e.Improvement.GetType() == typeof(AIUnit))
{
AIUnit unit = e.Improvement as AIUnit;
switch (city.PrimaryNeed)
{
case AICityNeed.Commerce:
break;
case AICityNeed.Culture:
break;
case AICityNeed.Food:
break;
case AICityNeed.UnitDefense:
unit.Fortified = true;
break;
}
}
else if (e.Improvement.GetType() == typeof(AISettler))
{
}
else if (e.Improvement.GetType() == typeof(AIWorker))
{
AIWorker worker = e.Improvement as AIWorker;
worker.ParentCity = e.City;
worker.Automated = true;
}
//next item to build
switch (city.PrimaryNeed)
{
case AICityNeed.Commerce:
if (!city.HasWorkerInFields())
{
nextImprovement = UnitFactory.CreateWorker(city);
}
else
{
nextImprovement =
city.GetBuildableItemForNeed(city.PrimaryNeed,
typeof(Improvement));
}
break;
case AICityNeed.Culture:
nextImprovement =
city.GetBuildableItemForNeed(city.PrimaryNeed, typeof(Improvement));
break;
case AICityNeed.Food:
if (!city.HasWorkerInFields())
{
nextImprovement = UnitFactory.CreateWorker(city);
}
else
{
nextImprovement =
city.GetBuildableItemForNeed(city.PrimaryNeed,
typeof(Improvement));
}
break;
case AICityNeed.UnitDefense:
nextImprovement =
city.GetBuildableItemForNeed(city.PrimaryNeed,
typeof(Unit));
break;
}
city.NextImprovement = nextImprovement;
}
/// <summary>
/// Starts using this strategy for the city.
/// </summary>
/// <param name="foreignCity"></param>
internal override void Invoke(AICity foreignCity)
{
base.Invoke(foreignCity);
}