/// <summary>
/// Chooses the province to attack.
/// </summary>
/// <returns>The province to attack.</returns>
/// <param name="factionId">Faction identifier.</param>
public string ChooseProvinceToAttack(string factionId)
{
List <string> provincesOwnedIds = world.GetFactionProvinces(factionId)
.Select(x => x.Id)
.ToList();
// TODO: Do not target factions with good relations
Dictionary <string, int> targets = world.GetProvinces()
.Where(r => r.FactionId != factionId &&
r.FactionId != GameDefines.GAIA_FACTION &&
r.Locked == false)
.Select(x => x.Id)
.Except(provincesOwnedIds)
.Where(x => provincesOwnedIds.Any(y => world.ProvinceBordersProvince(x, y)))
.ToDictionary(x => x, y => 0);
Parallel.ForEach(world.GetProvinces().Where(r => targets.ContainsKey(r.Id)).ToList(), (province) =>
{
if (province.SovereignFactionId == factionId)
{
targets[province.Id] += BLITZKRIEG_SOVEREIGNTY_IMPORTANCE;
}
Parallel.ForEach(world.GetProvinceHoldings(province.Id), (holding) =>
{
switch (holding.Type)
{
case HoldingType.Castle:
targets[province.Id] += BLITZKRIEG_HOLDING_CASTLE_IMPORTANCE;
break;
case HoldingType.City:
targets[province.Id] += BLITZKRIEG_HOLDING_CITY_IMPORTANCE;
break;
case HoldingType.Temple:
targets[province.Id] += BLITZKRIEG_HOLDING_TEMPLE_IMPORTANCE;
break;
}
});
Resource provinceResource = world.GetResources().FirstOrDefault(x => x.Id == province.ResourceId);
if (provinceResource != null)
{
switch (provinceResource.Type)
{
case ResourceType.Military:
targets[province.Id] += BLITZKRIEG_RESOURCE_MILITARY_IMPORTANCE;
break;
case ResourceType.Economy:
targets[province.Id] += BLITZKRIEG_RESOURCE_ECONOMY_IMPORTANCE;
break;
}
}
targets[province.Id] += provincesOwnedIds.Count(x => world.ProvinceBordersProvince(x, province.Id)) * BLITZKRIEG_BORDER_IMPORTANCE;
targets[province.Id] -= world.GetFactionRelations(factionId)
.FirstOrDefault(r => r.TargetFactionId == province.FactionId)
.Value;
// TODO: Maybe add a random importance to each province in order to reduce predictibility a little
});
if (targets.Count == 0)
{
return(null);
}
int maxScore = targets.Max(x => x.Value);
List <string> topTargets = targets.Keys.Where(x => targets[x] == maxScore).ToList();
string provinceId = topTargets[random.Next(0, topTargets.Count())];
return(provinceId);
}
/// <summary> /// Gets the relations of a faction. /// </summary> /// <returns>The relations of a faction.</returns> /// <param name="factionId">Faction identifier.</param> public IEnumerable <Relation> GetFactionRelations(string factionId) => world.GetFactionRelations(factionId);