private static float GetExpansionWeight(BotMain bot, TerritoryIDType terrID)
{
var td = bot.Map.Territories[terrID];
var bonusPaths = td.PartOfBonuses
.Where(o => bot.BonusValue(o) > 0)
.Select(o => BonusPath.TryCreate(bot, o, ts => ts.ID == terrID))
.Where(o => o != null)
.ToDictionary(o => o.BonusID, o => o);
var turnsToTake = bonusPaths.Keys.ToDictionary(o => o, o => TurnsToTake(bot, td.ID, o, bonusPaths[o]));
foreach (var cannotTake in turnsToTake.Where(o => o.Value == null).ToList())
{
turnsToTake.Remove(cannotTake.Key);
bonusPaths.Remove(cannotTake.Key);
}
var bonusWeights = bonusPaths.Keys.ToDictionary(o => o, o => ExpansionHelper.WeighBonus(bot, o, ts => ts.ID == terrID, turnsToTake[o].NumTurns));
var weight = 0.0f;
weight += ExpansionHelper.WeighMultipleBonuses(td.PartOfBonuses.Where(o => bonusWeights.ContainsKey(o)).ToDictionary(o => o, o => bonusWeights[o]));
AILog.Log("PickTerritories", "Expansion weight for terr " + bot.TerrString(terrID) + " is " + weight + ". " + td.PartOfBonuses.Select(b => "Bonus " + bot.BonusString(b) + " Weight=" + (bonusWeights.ContainsKey(b) ? bonusWeights[b] : 0) + " TurnsToTake=" + (turnsToTake.ContainsKey(b) ? turnsToTake[b].ToString() : "") + " Path=" + (bonusPaths.ContainsKey(b) ? bonusPaths[b].ToString() : "")).JoinStrings(", "));
return(weight);
}
public void Weight(Dictionary <PlayerIDType, int> weightedNeighbors)
{
var opponentID = Bot.Standing.Territories[this.To].OwnerPlayerID;
Assert.Fatal(opponentID != TerritoryStanding.NeutralPlayerID);
Assert.Fatal(!Bot.IsTeammateOrUs(opponentID));
//Seed the border weight with a lessened neighbor weight
this.DefenseImportance = !weightedNeighbors.ContainsKey(opponentID) ? 0 : (weightedNeighbors[opponentID] / 10.0);
this.OffenseImportance = this.DefenseImportance;
//Are we defending a bonus we control?
foreach (var defendingBonus in Bot.Map.Territories[this.From].PartOfBonuses
.Select(b => Bot.Map.Bonuses[b])
.Where(b => Bot.PlayerControlsBonus(b) &&
Bot.Map.Territories[this.To].PartOfBonuses
.Select(b2 => Bot.Map.Bonuses[b2])
.Any(b2 => !Bot.PlayerControlsBonus(b2))))
{
//Defend importance is bonus value * 10
this.DefenseImportance += Bot.BonusValue(defendingBonus.ID) * 10.0;
}
//Would attacking break an opponents bonus?
foreach (var attackingBonus in Bot.Map.Territories[this.To].PartOfBonuses
.Select(b => Bot.Map.Bonuses[b])
.Where(b => Bot.OpponentMightControlBonus(b)))
{
this.OffenseImportance += Bot.BonusValue(attackingBonus.ID) * (Bot.IsFFA ? 4.0 : 10); //be conservative in FFAs, but aggressive in heads up.
}
var toTs = Bot.Standing.Territories[this.To];
//How is our current ratio
var ourArmies = Bot.Standing.Territories[this.From].NumArmies.NumArmies;
var theirArmies = !toTs.NumArmies.Fogged ? toTs.NumArmies.DefensePower : Bot.UseRandomness ? RandomUtility.RandomNumber(ourArmies * 2) : (int)(ourArmies / 2);
var ratio = (double)theirArmies / (double)ourArmies;
if (ourArmies + theirArmies < 10)
{
ratio = 1; //Small numbers change so rapidly anyway that we just consider it equal.
}
this.OffenseImportance *= ratio;
this.DefenseImportance *= ratio;
//AILog.Log("Returning " + possibleAttack.OffenseImportance + "," + possibleAttack.DefenseImportance);
}
public override void Go(int remainingUndeployed, bool highlyWeightedOnly)
{
//don't search more than 10% of the map. We won't cross the entire map to get a bonus, we're looking for ones near us. For small maps, never search fewer than 5.
var maxDistance = highlyWeightedOnly ? 1 : Math.Max(5, (int)(Bot.Map.Territories.Count / 10));
var armyMult = ExpansionHelper.ArmyMultiplier(Bot.Settings.DefenseKillRate);
var bonusWeights = Bot.Map.Bonuses.Keys.Where(o => Bot.BonusValue(o) > 0).ToDictionary(o => o, o => ExpansionHelper.WeighBonus(Bot, o, ts => ts.OwnerPlayerID == Bot.PlayerID, 1)); //assume 1 turn to take for now, which is wrong, but it gives us an even baseline. We'll adjust for turnsToTake in adjustedBonusWeights.
AILog.Log("ExpandMultiAttack", "remainingUndeployed=" + remainingUndeployed + ". " + bonusWeights.Count + " base weights: ");
foreach (var bw in bonusWeights.OrderByDescending(o => o.Value).Take(10))
{
AILog.Log("ExpandMultiAttack", " - " + Bot.BonusString(bw.Key) + " Weight=" + bw.Value);
}
var armiesLeft = remainingUndeployed;
TryExpand(ref armiesLeft, maxDistance, armyMult, bonusWeights);
if (!highlyWeightedOnly) //If we have anything left after the second pass, revert to normal expansion. Do it even if armiesLeft is 0, as it will use normal border armies
{
Normal.Go(armiesLeft, highlyWeightedOnly);
}
}
private Dictionary <TerritoryIDType, PossibleExpandTarget> GetExpansionWeights(HashSet <TerritoryIDType> terrs)
{
var bonusPaths = terrs
.SelectMany(o => Bot.Map.Territories[o].PartOfBonuses)
.Where(o => Bot.BonusValue(o) > 0)
.Distinct()
.Select(o =>
{
if (Bot.PastTime(7))
{
return(null); //stop trying to expand if we're slow
}
return(BonusPath.TryCreate(Bot, o, ts => ts.OwnerPlayerID == Bot.PlayerID));
})
.Where(o => o != null)
.ToDictionary(o => o.BonusID, o => o);
var turnsToTake = bonusPaths.Keys.ToDictionary(o => o, o => TurnsToTake(o, bonusPaths[o]));
foreach (var cannotTake in turnsToTake.Where(o => o.Value == null).ToList())
{
turnsToTake.Remove(cannotTake.Key);
bonusPaths.Remove(cannotTake.Key);
}
var bonusWeights = bonusPaths.Keys.ToDictionary(o => o, o => ExpansionHelper.WeighBonus(Bot, o, ts => ts.OwnerPlayerID == Bot.PlayerID, turnsToTake[o].NumTurns));
AILog.Log("Expand", "GetExpansionWeights called with " + terrs.Count + " territories. Weighted " + bonusWeights.Count + " bonuses:");
foreach (var bw in bonusWeights.OrderByDescending(o => o.Value).Take(10))
{
AILog.Log("Expand", " - " + Bot.BonusString(bw.Key) + " Weight=" + bw.Value + " " + turnsToTake[bw.Key] + " TurnsToTakeByDistance=" + bonusPaths[bw.Key].TurnsToTakeByDistance + " CriticalPath=" + bonusPaths[bw.Key].TerritoriesOnCriticalPath.Select(o => Bot.TerrString(o)).JoinStrings(", "));
}
var ret = new Dictionary <TerritoryIDType, PossibleExpandTarget>();
foreach (var terr in terrs)
{
ret[terr] = new PossibleExpandTarget(Bot, terr, Bot.Map.Territories[terr].PartOfBonuses.Where(b => bonusPaths.ContainsKey(b)).ToDictionary(b => b, b => new PossibleExpandTargetBonus(bonusWeights[b], bonusPaths[b], turnsToTake[b])));
}
AILog.Log("Expand", "Finished weighing " + terrs.Count + " territories:");
foreach (var terr in ret.OrderByDescending(o => o.Value.Weight).Take(10))
{
AILog.Log("Expand", " - " + Bot.TerrString(terr.Key) + " Weight=" + terr.Value);
}
return(ret);
}
