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 static bool CustomMoveGenerationHandler(PieceType pieceType, Piece piece, MoveList moveList, bool capturesOnly)
{
MoveCapability[] moves;
int nMoves = pieceType.GetMoveCapabilities(out moves);
for (int nMove = 0; nMove < nMoves; nMove++)
{
MoveCapability move = moves[nMove];
int step = 1;
int nextSquare = piece.Board.NextSquare(piece.Player, move.NDirection, piece.Square);
while (nextSquare >= 0 && step <= move.MaxSteps)
{
Piece pieceOnSquare = piece.Board[nextSquare];
if (pieceOnSquare != null)
{
if (step >= move.MinSteps && move.CanCapture && pieceOnSquare.Player != piece.Player)
{
moveList.AddCapture(piece.Square, nextSquare);
}
else if (step >= move.MinSteps && pieceOnSquare.Player == piece.Player && piece.PieceType != pieceOnSquare.PieceType)
{
// self-capture move allowing relocation of friendly piece
int currentSquare = piece.Square;
while (currentSquare != nextSquare)
{
moveList.BeginMoveAdd(MoveType.MoveRelay, piece.Square, nextSquare, currentSquare);
moveList.AddPickup(piece.Square);
moveList.AddPickup(nextSquare);
moveList.AddDrop(piece, nextSquare);
moveList.AddDrop(pieceOnSquare, currentSquare);
moveList.EndMoveAdd(piece.PieceType.GetMidgamePST(nextSquare) - piece.PieceType.GetMidgamePST(piece.Square) +
pieceOnSquare.PieceType.GetMidgamePST(currentSquare) - pieceOnSquare.PieceType.GetMidgamePST(nextSquare));
currentSquare = piece.Board.NextSquare(piece.Player, move.NDirection, currentSquare);
}
}
nextSquare = -1;
}
else
{
if (step >= move.MinSteps && !move.MustCapture && !capturesOnly)
{
moveList.AddMove(piece.Square, nextSquare);
}
nextSquare = piece.Board.NextSquare(piece.Player, move.NDirection, nextSquare);
step++;
}
}
}
return(false);
}
// *** HELPER FUNCTIONS *** //
#region addMove
protected void addMove(MoveList list, int fromSquare, int toSquare, bool capturesOnly)
{
if (toSquare >= 0 && toSquare < Board.NumSquares)
{
Piece pieceOnDestinationSquare = Board[toSquare];
if (pieceOnDestinationSquare == null)
{
if (!capturesOnly)
{
list.AddMove(fromSquare, toSquare);
}
}
else if (pieceOnDestinationSquare.Player != Game.CurrentSide)
{
list.AddCapture(fromSquare, toSquare);
}
}
}
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);
}
public static bool CustomMoveGenerationHandler(PieceType pieceType, Piece piece, MoveList moveList, bool capturesOnly)
{
MoveCapability[] moves;
int nMoves = pieceType.GetMoveCapabilities(out moves);
for (int nMove = 0; nMove < nMoves; nMove++)
{
MoveCapability move = moves[nMove];
int step = 1;
int nextSquare = piece.Board.NextSquare(piece.Player, move.NDirection, piece.Square);
while (nextSquare >= 0 && step <= move.MaxSteps)
{
Piece pieceOnSquare = piece.Board[nextSquare];
if (pieceOnSquare != null)
{
if (step >= move.MinSteps && move.CanCapture && pieceOnSquare.Player != piece.Player)
{
moveList.AddCapture(piece.Square, nextSquare);
for (int x = 0; x < 8; x++)
{
int targetSquare = piece.Board.NextSquare(x, nextSquare);
if (targetSquare >= 0 && piece.Board[targetSquare] != null && piece.Board[targetSquare].Player != piece.Player)
{
moveList.BeginMoveAdd(MoveType.ExtraCapture, piece.Square, nextSquare, targetSquare);
moveList.AddPickup(piece.Square);
moveList.AddPickup(nextSquare);
moveList.AddPickup(targetSquare);
moveList.AddDrop(piece, nextSquare);
moveList.EndMoveAdd(4000 + piece.Board[nextSquare].PieceType.MidgameValue + piece.Board[targetSquare].PieceType.MidgameValue);
}
}
}
nextSquare = -1;
}
else
{
if (step >= move.MinSteps && !move.MustCapture)
{
if (!capturesOnly)
{
moveList.AddMove(piece.Square, nextSquare);
}
for (int x = 0; x < 8; x++)
{
int targetSquare = piece.Board.NextSquare(x, nextSquare);
if (targetSquare >= 0 && piece.Board[targetSquare] != null && piece.Board[targetSquare].Player != piece.Player)
{
moveList.BeginMoveAdd(MoveType.ExtraCapture, piece.Square, nextSquare, targetSquare);
moveList.AddPickup(piece.Square);
moveList.AddPickup(targetSquare);
moveList.AddDrop(piece, nextSquare);
moveList.EndMoveAdd(3000 + piece.Board[targetSquare].PieceType.MidgameValue);
}
}
}
nextSquare = piece.Board.NextSquare(piece.Player, move.NDirection, nextSquare);
step++;
}
}
}
return(false);
}
public static bool CustomMoveGenerationHandler(PieceType pieceType, Piece piece, MoveList moveList, bool capturesOnly)
{
OdinsRuneChess game = (OdinsRuneChess)piece.Game;
// determine what pieces are adjacent
bool foundValkyrie = false;
bool foundForestOx = false;
bool foundRook = false;
bool foundBishop = false;
bool foundPawn = false;
for (int x = 0; x < 8; x++)
{
int square = piece.Board.NextSquare(x, piece.Square);
if (square >= 0 && piece.Board[square] != null && piece.Board[square].Player == piece.Player)
{
PieceType adjacentPieceType = piece.Board[square].PieceType;
if (adjacentPieceType == game.Valkyrie)
{
foundValkyrie = true;
}
else if (adjacentPieceType == game.ForestOx)
{
foundForestOx = true;
}
else if (adjacentPieceType == game.Rook)
{
foundRook = true;
}
else if (adjacentPieceType == game.Bishop)
{
foundBishop = true;
}
else if (adjacentPieceType == game.Pawn)
{
foundPawn = true;
}
}
}
// generate moves of appropriate types
if (foundValkyrie)
{
piece.GenerateMoves(game.Valkyrie, moveList, capturesOnly);
}
else
{
// don't generate rook or bishop if we have found valkyrie
// because all their moves would be redundant
if (foundRook)
{
piece.GenerateMoves(game.Rook, moveList, capturesOnly);
}
if (foundBishop)
{
piece.GenerateMoves(game.Bishop, moveList, capturesOnly);
}
}
if (foundForestOx)
{
piece.GenerateMoves(game.ForestOx, moveList, capturesOnly);
}
if (foundPawn)
{
if (!foundBishop && !foundValkyrie)
{
piece.GenerateMoves(game.Pawn, moveList, capturesOnly);
}
else
{
// This gets tricky; we can't just generate all pawn moves
// because we'd generate duplicative moves. So we need to
// manually generate just the one unique pawn move (the
// multi-path move.)
// First, check to make sure that this move wasn't
// already generated by a straight Valkyrie move
if (!foundValkyrie ||
(game.Board.NextSquare(PredefinedDirections.N + piece.Player, piece.Square) >= 0 &&
game.Board[game.Board.NextSquare(PredefinedDirections.N + piece.Player, piece.Square)] != null))
{
// Is the square two ahead both on the board and a square
// we can move to?
int targetSquare = game.Board.NextSquare(PredefinedDirections.N + piece.Player, piece.Square);
if (targetSquare >= 0)
{
targetSquare = game.Board.NextSquare(PredefinedDirections.N + piece.Player, targetSquare);
}
if (targetSquare >= 0 &&
((game.Board[targetSquare] == null && !capturesOnly) ||
(game.Board[targetSquare] != null && game.Board[targetSquare].Player != piece.Player)))
{
// This is a square we can move to, but first we
// must establish that there's a clear path
if ((game.Board.NextSquare(PredefinedDirections.NE + piece.Player, piece.Square) >= 0 &&
game.Board[game.Board.NextSquare(PredefinedDirections.NE + piece.Player, piece.Square)] == null) ||
(game.Board.NextSquare(PredefinedDirections.NW + piece.Player, piece.Square) >= 0 &&
game.Board[game.Board.NextSquare(PredefinedDirections.NW + piece.Player, piece.Square)] == null))
{
// Ok, we're clear to generate the move/capture
if (game.Board[targetSquare] == null)
{
moveList.AddMove(piece.Square, targetSquare);
}
else
{
moveList.AddCapture(piece.Square, targetSquare);
}
}
}
}
}
}
return(false);
}
