public void GetMoves(Vector2 pos, Board.PieceType type)
{
switch (type)
{
case Board.PieceType.king:
moves = GetTiles(GetKingMoves(pos));
break;
case Board.PieceType.queen:
moves = GetTiles(GetQueenMoves(pos));
break;
case Board.PieceType.knight:
moves = GetTiles(GetKnightMoves(pos));
break;
case Board.PieceType.bishop:
moves = GetTiles(GetBishopMoves(pos));
break;
case Board.PieceType.rook:
moves = GetTiles(GetRookMoves(pos));
break;
case Board.PieceType.pawn:
moves = GetTiles(GetPawnMoves(pos));
break;
default:
break;
}
}
// This is static only because PromoteMenu doesn't exist in the scene until the game starts
public static void Promote(PieceType type)
{
Square needsPromotion = instance.board.needsPromotion;
bool success = instance.board.Promote(type);
Debug.Assert(success);
instance.UpdateScene(new List <Move>()
{
new Move(needsPromotion, needsPromotion, type)
});
}
public void SetCanMove(bool state)
{
currentTurn = state;
foreach (GameObject piece in alivePieces)
{
pieceComponent = piece.GetComponent <Piece>();
pos = pieceComponent.parentTile.GetComponent <Tile>().pos;
pieceType = pieceComponent.type;
piece.GetComponent <Piece>().canMove = state;
piece.GetComponent <Moves>().GetMoves(pos, pieceType);
}
}
/** Return a heuristic value for BOARD. This can be improved. */
private int StaticScore(Board board)
{
BoardStatus status = board.status;
if (status == BoardStatus.Checkmate)
{
if (board.whoseTurn == PieceColor.White)
{
return(WIN_VALUE);
}
else
{
return(-WIN_VALUE);
}
}
else if (status != BoardStatus.Playing) // AI shouldn't need to think about the promote state
{
return(0);
}
// TODO: quantify threats
int score = 0;
foreach (Square s in Square.squares)
{
PieceData?p = board.GetPiece(s);
if (p == null)
{
continue;
}
PieceType type = p.Value.type;
if (type == PieceType.King)
{
continue;
}
if (p.Value.color == PieceColor.White)
{
score += PIECE_VALUES[(int)type];
}
else
{
score -= PIECE_VALUES[(int)type];
}
}
return(score);
}
private void SetPieceSprite(Board.PieceType type, Board.Colours colour, ref SpriteRenderer sr)
{
switch (type)
{
case Board.PieceType.king:
switch (colour)
{
case Board.Colours.black:
sr.sprite = sprites.kingBlack;
break;
case Board.Colours.white:
sr.sprite = sprites.kingWhite;
break;
}
break;
case Board.PieceType.queen:
switch (colour)
{
case Board.Colours.black:
sr.sprite = sprites.queenBlack;
break;
case Board.Colours.white:
sr.sprite = sprites.queenWhite;
break;
}
break;
case Board.PieceType.knight:
switch (colour)
{
case Board.Colours.black:
sr.sprite = sprites.knightBlack;
break;
case Board.Colours.white:
sr.sprite = sprites.knightWhite;
break;
}
break;
case Board.PieceType.bishop:
switch (colour)
{
case Board.Colours.black:
sr.sprite = sprites.bishopBlack;
break;
case Board.Colours.white:
sr.sprite = sprites.bishopWhite;
break;
}
break;
case Board.PieceType.rook:
switch (colour)
{
case Board.Colours.black:
sr.sprite = sprites.rookBlack;
break;
case Board.Colours.white:
sr.sprite = sprites.rookWhite;
break;
}
break;
case Board.PieceType.pawn:
switch (colour)
{
case Board.Colours.black:
sr.sprite = sprites.pawnBlack;
break;
case Board.Colours.white:
sr.sprite = sprites.pawnWhite;
break;
}
break;
}
}
