public override void AddEvaluations()
{
base.AddEvaluations();
// Outpost Evaluations
if ((Knight != null && Knight.Enabled) ||
(Bishop != null && Bishop.Enabled))
{
OutpostEval = new OutpostEvaluation();
if (Knight != null && Knight.Enabled)
{
OutpostEval.AddOutpostBonus(Knight);
}
if (Bishop != null && Bishop.Enabled)
{
OutpostEval.AddOutpostBonus(Bishop, 10, 2, 5, 5);
}
AddEvaluation(OutpostEval);
}
// Rook-type Evaluations (rook-mover on open file
// and rook-mover on 7th ranks with enemy king on 8th)
// Do we have a royal king?
CheckmateRule rule = (CheckmateRule)FindRule(typeof(CheckmateRule));
bool royalKing = rule != null && King != null && King.Enabled && rule.RoyalPieceType == King;
if ((Rook != null && Rook.Enabled) ||
(Queen != null && Queen.Enabled && royalKing))
{
RookTypeEval = new RookTypeEvaluation();
if (Rook != null && Rook.Enabled)
{
RookTypeEval.AddOpenFileBonus(Rook);
if (royalKing)
{
RookTypeEval.AddRookOn7thBonus(Rook, King);
}
}
if (Queen != null && Queen.Enabled && royalKing)
{
RookTypeEval.AddRookOn7thBonus(Queen, King, 2, 8);
}
AddEvaluation(RookTypeEval);
}
}
public override void Initialize(Game game)
{
base.Initialize(game);
hashKeyIndex = game.HashKeys.TakeKeys(4);
searchStateHistory = new int[Game.MAX_GAME_LENGTH + Game.MAX_PLY];
searchStateHistoryIndex = 0;
searchStateHistory[searchStateHistoryIndex++] = currentState;
// Determine royal piece type (if any)
CheckmateRule checkmateRule = (CheckmateRule)game.FindRule(typeof(CheckmateRule), true);
if (checkmateRule != null)
{
RoyalPieceType = checkmateRule.RoyalPieceType;
royalPieces = new Piece[game.NumPlayers];
}
}