public override MoveEventResponse MoveBeingGenerated(MoveList moves, int from, int to, MoveType type)
{
Piece movingPiece = Board[from];
if (movingPiece.TypeNumber == promotingTypeNumber)
{
Location loc = Board.SquareToLocation(Board.PlayerSquare(movingPiece.Player, to));
PromotionOption option = condition(loc);
if (option != PromotionOption.CannotPromote)
{
// enemy piece being captured (if any)
Piece capturedEnemyPiece = Board[to];
// if promotion is optional, add move without promotion
if (option == PromotionOption.CanPromote)
{
if (capturedEnemyPiece == null)
{
moves.AddMove(from, to, true);
}
else
{
moves.AddCapture(from, to, true);
}
}
List <int> pieceTypesFound = new List <int>();
List <Piece> capturedPieces = Game.GetCapturedPieceList(movingPiece.Player);
foreach (Piece capturedFriendlyPiece in capturedPieces)
{
if (capturedFriendlyPiece.TypeNumber != movingPiece.TypeNumber &&
!pieceTypesFound.Contains(capturedFriendlyPiece.TypeNumber))
{
if (capturedEnemyPiece == null)
{
moves.BeginMoveAdd(MoveType.MoveReplace, from, to, capturedFriendlyPiece.TypeNumber);
moves.AddPickup(from);
moves.AddDrop(capturedFriendlyPiece, to);
moves.EndMoveAdd(5000 + capturedFriendlyPiece.PieceType.MidgameValue);
}
else
{
moves.BeginMoveAdd(MoveType.CaptureReplace, from, to, capturedFriendlyPiece.TypeNumber);
moves.AddPickup(from);
moves.AddPickup(to);
moves.AddDrop(capturedFriendlyPiece, to);
moves.EndMoveAdd(5000 + capturedFriendlyPiece.PieceType.MidgameValue + capturedEnemyPiece.PieceType.MidgameValue);
}
pieceTypesFound.Add(capturedFriendlyPiece.TypeNumber);
}
}
return(MoveEventResponse.Handled);
}
}
return(MoveEventResponse.NotHandled);
}
public override MoveEventResponse MoveBeingGenerated(MoveList moves, int from, int to, MoveType type)
{
Piece movingPiece = Board[from];
foreach (PromotionCapability promotion in promotionCapabilities)
{
if (movingPiece.TypeNumber == promotion.PromotingTypeNumber)
{
Location toLocation = Board.SquareToLocation(Board.PlayerSquare(movingPiece.Player, to));
PromotionOption option = promotion.FromAndToConditionDelegate != null
? promotion.FromAndToConditionDelegate(Board.SquareToLocation(Board.PlayerSquare(movingPiece.Player, from)), toLocation)
: promotion.ConditionDelegate(toLocation);
if (option != PromotionOption.CannotPromote)
{
for (int x = 0; x < Game.MAX_PIECE_TYPES; x++)
{
typesUsed[x] = false;
}
// enemy piece being captured (if any)
Piece capturedPiece = Board[to];
// if promotion is optional, add move without promotion
if (option == PromotionOption.CanPromote)
{
if (capturedPiece == null)
{
moves.AddMove(from, to, true);
}
else
{
moves.AddCapture(from, to, true);
}
}
// handle traditional promotion
if (promotion.PromotionTypes != null)
{
if (capturedPiece == null)
{
foreach (PieceType promoteTo in promotion.PromotionTypes)
{
moves.BeginMoveAdd(MoveType.MoveWithPromotion, from, to);
moves.AddPickup(from);
moves.AddDrop(movingPiece, to, promoteTo);
moves.EndMoveAdd(5000 + promoteTo.MidgameValue);
typesUsed[promoteTo.TypeNumber] = true;
}
}
else
{
foreach (PieceType promoteTo in promotion.PromotionTypes)
{
moves.BeginMoveAdd(MoveType.CaptureWithPromotion, from, to);
moves.AddPickup(from);
moves.AddPickup(to);
moves.AddDrop(movingPiece, to, promoteTo);
moves.EndMoveAdd(5000 + promoteTo.MidgameValue + capturedPiece.PieceType.MidgameValue);
typesUsed[promoteTo.TypeNumber] = true;
}
}
}
// handle promotion by replacement
if (promotion.ReplacementPromotionTypes != null)
{
List <Piece> capturedPieces = Game.GetCapturedPieceList(movingPiece.Player);
foreach (Piece capturedFriendlyPiece in capturedPieces)
{
if (capturedFriendlyPiece.TypeNumber != movingPiece.TypeNumber &&
!typesUsed[capturedFriendlyPiece.TypeNumber] &&
promotion.ReplacementPromotionTypes.Contains(capturedFriendlyPiece.PieceType))
{
if (capturedPiece == null)
{
moves.BeginMoveAdd(MoveType.MoveReplace, from, to, capturedFriendlyPiece.TypeNumber);
moves.AddPickup(from);
moves.AddDrop(capturedFriendlyPiece, to);
moves.EndMoveAdd(5000 + capturedFriendlyPiece.PieceType.MidgameValue);
}
else
{
moves.BeginMoveAdd(MoveType.CaptureReplace, from, to, capturedFriendlyPiece.TypeNumber);
moves.AddPickup(from);
moves.AddPickup(to);
moves.AddDrop(capturedFriendlyPiece, to);
moves.EndMoveAdd(5000 + capturedFriendlyPiece.PieceType.MidgameValue + capturedPiece.PieceType.MidgameValue);
}
typesUsed[capturedFriendlyPiece.TypeNumber] = true;
}
}
}
return(MoveEventResponse.Handled);
}
}
}
return(MoveEventResponse.NotHandled);
}
