internal override Card PlayerPickWarAttack(WarPlayer player, int attackIndex)
{
//
// Pre conditions
if (!battleTracker.PlayerAttacks.Keys.Contains(player))
{
throw new InvalidOperationException("Cannot go to war without having attacked first.");
}
if (!battleTracker.ActiveWars.ContainsKey(player) || battleTracker.ActiveWars[player].Count == 0)
{
throw new InvalidOperationException(String.Format("{0} has not declared war.", player.Name));
}
if (battleTracker.ActiveAttacks.ContainsKey(player))
{
throw new InvalidOperationException(String.Format("{0} already has an active attack.", player.Name));
}
RequireGameState(WarGameState.AtWar);
//
// Validate attack index
const int maxIndex = NumberOfCardsToDealForWar - 1;
if ((attackIndex == -1) && (player.Cards.Count == 0))
//
// Player is out of cards, default to last attack.
{
var lastAttachIndex = battleTracker.PlayerAttacks[player].Count - 1;
var defactoResult = battleTracker.PlayerAttacks[player][lastAttachIndex];
battleTracker.ActiveAttacks[player] = defactoResult;
return(defactoResult);
}
else if (attackIndex > maxIndex || attackIndex < 0)
{
throw new ArgumentOutOfRangeException("attackIndex",
String.Format("Index must be from 0 to {0} (was {1})", maxIndex, attackIndex));
}
//
// Activate the selected attack
var wars = battleTracker.ActiveWars[player];
var warCards = wars[wars.Count - 1];
var result = warCards[attackIndex];
battleTracker.ActiveAttacks[player] = result;
Debug.WriteLine(String.Format("{0} went to war with the {1}", player.Name, result));
return(result);
}
internal override Card PlayerBattle(WarPlayer player)
{
Debug.Assert(battleTracker.PlayerAttacks.Keys.Contains(player), "Player is not part of game.");
this.RequireGameState(WarGameState.AtBattle, WarGameState.NewGame);
var result = player.Cards.DealTo(battleTracker.PlayerAttacks[player]);
battleTracker.ActiveAttacks[player] = result;
Debug.WriteLine(String.Format("{0} went to battle with the {1}", player.Name, result));
return(result);
}
/// <summary>
/// Deals three cards (or players remaining cards, if fewer than three) for war.
/// </summary>
/// <param name="player">Specifies the player going to war.</param>
/// <returns>The number of cards dealt for the war.</returns>
internal override int PlayerDeclareWar(WarPlayer player)
{
//
// Pre conditions
if (!battleTracker.PlayerAttacks.Keys.Contains(player))
{
throw new InvalidOperationException("Cannot declare war without having attacked first.");
}
RequireGameState(WarGameState.WarDeclared);
//
// Deactivate active attack
battleTracker.ActiveAttacks.Remove(player);
if (!battleTracker.ActiveWars.ContainsKey(player))
{
battleTracker.ActiveWars[player] = new List <CardList>();
}
battleTracker.ActiveWars[player].Add(new CardList(NumberOfCardsToDealForWar));
var warIndex = battleTracker.ActiveWars[player].Count - 1;
//
// Deal cards to "declare war"
var result = 0;
for (var i = 1; i <= NumberOfCardsToDealForWar && player.Cards.Count > 0; i++)
{
var card = player.Cards.DealTo(battleTracker.PlayerAttacks[player]);
battleTracker.ActiveWars[player][warIndex].Add(card);
result++;
}
Debug.Assert(result <= NumberOfCardsToDealForWar, "Did not deal enough war cards.");
Debug.Assert(!battleTracker.ActiveAttacks.ContainsKey(player), "Player has invalid attack.");
Debug.WriteLine(player.Name + " declared war!");
return(result);
}
internal abstract Card PlayerPickWarAttack(WarPlayer player, int attackIndex);
internal abstract int PlayerDeclareWar(WarPlayer player);
internal abstract Card PlayerBattle(WarPlayer player);
