/// <summary>
/// Test the key against all board pieces, unlocking the ones that accept the key.
/// </summary>
/// <param name="keyId"></param>
public void useKey(int keyId)
{
List <BoardPiece> piecesToRemove = new List <BoardPiece>();
for (int i = 0; i < boardPieces.Count; i++)
{
//Debug.Log("index " + i + " (" + boardPieces[i].x + ", " + boardPieces[i].y + ")");
BoardPiece piece = boardPieces[i];
int xPos = piece.x;
int yPos = piece.y;
int tileContent = boardContent[xPos, yPos];
if (piece.isAt(xPos, yPos) && piece.GetContentType() == BoardPiece.ZONE_BARRIER)
{
ZoneBarrierBoardPiece zbb = (ZoneBarrierBoardPiece)boardPieces[i];
if (zbb.unlocks(keyId))
{
piecesToRemove.Add(zbb);
}
}
}
foreach (BoardPiece bp in piecesToRemove)
{
RemovePiece(bp, bp.x, bp.y);
Destroy(bp.gameObject);
}
}
/// <summary>
/// Get the pickups, if any, at the given board location.
/// </summary>
/// <param name="xPos"></param>
/// <param name="yPos"></param>
/// <returns>All pickups at location or an empty list if there are none.</returns>
public List <BoardPiece> getPickups(int xPos, int yPos)
{
List <BoardPiece> pickups = new List <BoardPiece>();
for (int i = 0; i < boardPieces.Count; i++)
{
int tileContent = boardContent[xPos, yPos];
if (hasSet(tileContent, BoardPiece.PICKUP))
{
BoardPiece bp = boardPieces[i];
if (bp.isAt(xPos, yPos) && bp.GetContentType() == BoardPiece.PICKUP)
{
pickups.Add(boardPieces[i]);
RemovePiece(boardPieces[i], xPos, yPos);
}
}
}
return(pickups);
}
/// <summary>
/// Update the contents of the tiles affected by a piece move.
/// This version is for moving a piece NOT already on the board.
/// Does not validate move.
/// </summary>
/// <param name="piece">Piece that was moved</param>
/// <param name="newX">new x location</param>
/// <param name="newY">new y location</param>
public void UpdatePiece_Place(BoardPiece piece, int newX, int newY)
{
int typeId = piece.GetContentType();
boardContent[newX, newY] |= typeId;
}
/// <summary>
/// Update the contents of the tiles affected by a piece move.
/// This version is for moving a piece off the board.
/// Does not validate move.
/// </summary>
/// <param name="piece">Piece that was moved</param>
/// <param name="oldX">prev x location</param>
/// <param name="oldY">prev y location</param>
public void UpdatePiece_Remove(BoardPiece piece, int oldX, int oldY)
{
int typeId = piece.GetContentType();
boardContent[oldX, oldY] &= mask_remove(typeId);
}
