public List <int> AvailableMoves(List <GameObject> board, int currentPos)
{
int x = currentPos % 4;
int y = currentPos / 4;
List <int> validMoves = new List <int>();
if (emptyOrOpponent(board, x + 1, y + 2))
{
validMoves.Add(Library.GetBoardIndex(x + 1, y + 2));
}
if (emptyOrOpponent(board, x - 1, y + 2))
{
validMoves.Add(Library.GetBoardIndex(x - 1, y + 2));
}
if (emptyOrOpponent(board, x + 1, y - 2))
{
validMoves.Add(Library.GetBoardIndex(x + 1, y - 2));
}
if (emptyOrOpponent(board, x - 1, y - 2))
{
validMoves.Add(Library.GetBoardIndex(x - 1, y - 2));
}
if (emptyOrOpponent(board, x + 2, y + 1))
{
validMoves.Add(Library.GetBoardIndex(x + 2, y + 1));
}
if (emptyOrOpponent(board, x + 2, y - 1))
{
validMoves.Add(Library.GetBoardIndex(x + 2, y - 1));
}
if (emptyOrOpponent(board, x - 2, y + 1))
{
validMoves.Add(Library.GetBoardIndex(x - 2, y + 1));
}
if (emptyOrOpponent(board, x - 2, y - 1))
{
validMoves.Add(Library.GetBoardIndex(x - 2, y - 1));
}
audioPlayer.SE_PickUp();
return(validMoves);
}
public List <int> AvailableMoves(List <GameObject> board, int currentPos)
{
int x = currentPos % 4;
int y = currentPos / 4;
List <int> validMoves = new List <int>();
int index = -1;
if (x != 0)
{
// Left
index = Library.GetBoardIndex(x - 1, y);
if (emptyOrOpponent(board, index))
{
validMoves.Add(index);
}
// Up and Left
if (y != 0)
{
index = Library.GetBoardIndex(x - 1, y - 1);
if (emptyOrOpponent(board, index))
{
validMoves.Add(index);
}
}
// Down and Left
if (y != 7)
{
index = Library.GetBoardIndex(x - 1, y + 1);
if (emptyOrOpponent(board, index))
{
validMoves.Add(index);
}
}
}
if (x != 3)
{
index = Library.GetBoardIndex(x + 1, y);
if (emptyOrOpponent(board, index))
{
validMoves.Add(index);
}
// Up and Right
if (y != 0)
{
index = Library.GetBoardIndex(x + 1, y - 1);
if (emptyOrOpponent(board, index))
{
validMoves.Add(index);
}
}
// Down and Right
if (y != 7)
{
index = Library.GetBoardIndex(x + 1, y + 1);
if (emptyOrOpponent(board, index))
{
validMoves.Add(index);
}
}
}
if (y != 0)
{
// Up
index = Library.GetBoardIndex(x, y - 1);
if (emptyOrOpponent(board, index))
{
validMoves.Add(index);
}
}
if (y != 7)
{
// Down
index = Library.GetBoardIndex(x, y + 1);
if (emptyOrOpponent(board, index))
{
validMoves.Add(index);
}
}
audioPlayer.SE_PickUp();
return(validMoves);
}
/*
* A pawn can move forward one square unless the pawn has not yet moved in which case
* it can move forward 2 squares. A pawn captures diagonaly.
*/
public List <int> AvailableMoves(List <GameObject> board, int currentPos)
{
int x = currentPos % 4;
int y = currentPos / 4;
List <int> validMoves = new List <int>();
audioPlayer.SE_PickUp();
// Movement logic
if (y + direction <= 7 && y + direction >= 0)
{
// One move forward
int index = Library.GetBoardIndex(x, y + 1 * direction);
if (board[index].GetComponent <Square>().Piece == null)
{
validMoves.Add(index);
// Two moves forward possible if never moved
if (startingPosition)
{
index = Library.GetBoardIndex(x, y + 2 * direction);
if (board[index].GetComponent <Square>().Piece == null)
{
validMoves.Add(index);
}
if ((y != 1 && team == Affiliation.Black) || (y != 6 && team == Affiliation.White))
{
// An important warning as logic does not test boundaries for second move
Debug.LogWarning("Pawn is not starting on second rank. Is this intentional?");
}
}
}
}
// Capture logic
if (x != 0 && y != 7 && y != 0)
{
int index = Library.GetBoardIndex(x - 1, y + 1 * direction);
// if(an enemy piece is found)
if (board[index].GetComponent <Square>().Piece != null && board[index].GetComponent <Square>().Piece.Team != team)
{
validMoves.Add(index);
}
}
if (x != 3 && y != 7 && y != 0)
{
int index = Library.GetBoardIndex(x + 1, y + 1 * direction);
// if(an enemy piece is found)
if (board[index].GetComponent <Square>().Piece != null && board[index].GetComponent <Square>().Piece.Team != team)
{
validMoves.Add(index);
}
}
// En Passant Logic
if (enPassant > 0)
{
validMoves.Add(passantBoardIndex);
}
return(validMoves);
}