public static bool AttackIsSafe(Region fromRegion, int attackingArmies, Region toRegion, int defendingArmies, string myName, float confidence)
{
var nonAttackingArmies = fromRegion.Armies - attackingArmies;
BattleResult attackResult = AnalyzeBattle(confidence, defendingArmies, attackingArmies);
List <Region> unconqueredNeighbors;
int expectedArmiesLeftToDefend;
if (attackResult.AttackerExpectedToWinForSure())
{
unconqueredNeighbors = fromRegion.Neighbors.Where(x => x.Id != toRegion.Id).ToList();
expectedArmiesLeftToDefend = nonAttackingArmies;
}
else if (attackResult.AttackerExpectedToWin())
{
unconqueredNeighbors = fromRegion.Neighbors;
expectedArmiesLeftToDefend = nonAttackingArmies;
}
else
{
unconqueredNeighbors = fromRegion.Neighbors;
expectedArmiesLeftToDefend = nonAttackingArmies + attackResult.AttackerRemainingArmiesLow;
}
var toRegionActualArmies = toRegion.Armies;
toRegion.Armies = attackResult.DefenderRemainingArmies;
bool attackIsSafe = (DefensiveArmiesNeeded.For(unconqueredNeighbors, expectedArmiesLeftToDefend, Constants.SafeNumberOfArmiesNeeded) <= Constants.SafeNumberOfArmiesNeeded &&
DefensiveArmiesNeeded.For(toRegion.Neighbors, attackResult.AttackerRemainingArmiesLow, Constants.SafeNumberOfArmiesNeeded) <= Constants.SafeNumberOfArmiesNeeded);
toRegion.Armies = toRegionActualArmies;
return(attackIsSafe);
}
public static List <Tuple <Region, int> > RankRegionsByNeed(Map visibleMap, string myName, int armiesAvailable)
{
var myRegions = new List <Tuple <Region, int> >();
foreach (var region in visibleMap.Regions)
{
if (region.OwnedByPlayer(myName))
{
int armiesNeeded = DefensiveArmiesNeeded.For(region.Neighbors, region.Armies, armiesAvailable);
var myRegion = new Tuple <Region, int>(region, armiesNeeded);
myRegions.Add(myRegion);
}
}
myRegions.Sort((a, b) => b.Item2.CompareTo(a.Item2));
return(myRegions);
}