/// <summary>
/// Remembers the given move as a move that has to be added to the last "normal" move of the same player.
/// This is supposed to be used for capture moves or "final" moves.
/// </summary>
/// <param name="move">The move to remember</param>
/// <param name="currentPlayer">The player who made the move</param>
public void RememberFollowUpMove(Move move, Player currentPlayer)
{
// We need an existing player list:
if (_playerList.Count == 0)
{
throw new PSTException("UndoManager.RememberFollowUpMove: player list is empty.");
}
// We need an existing move list:
if (_moveList.Count == 0)
{
throw new PSTException("UndoManager.RememberFollowUpMove: move list is empty.");
}
// We can only add a follow-up move for the same player as exists as the first entry in the list of players:
if (_playerList[0] != currentPlayer)
{
throw new PSTException("UndoManager.RememberFollowUpMove: Unexpected player: " + currentPlayer + ". Expected " + _playerList[0] + ".");
}
// Get the move's backward move:
Move backMove = move.GetBackwardMove();
// Integrate the backward move into the move that is the first in the already existing list of "undo moves":
_moveList[0].IntegrateMove(backMove);
}
/// <summary>
/// Remembers the given move as a "normal" by the given player.
/// </summary>
/// <param name="move">The move to remember</param>
/// <param name="currentPlayer">The player who made the move</param>
public void RememberNormalNove(Move move, Player currentPlayer)
{
// A "normal" move is quite easy to remember: We store a new list entry with the move's "backward move".
// Get the move's backward move:
Move backMove = move.GetBackwardMove();
// Add the backward move and the current player at the beginnings of the respecive lists:
_moveList.Insert(0, backMove);
_playerList.Insert(0, currentPlayer);
}
