public ChessPosition( ChessPosition chessPos )
{
this.posType = chessPos.posType;
this.nRank = chessPos.nRank;
this.nPile = chessPos.nPile;
this.pos = chessPos.pos;
}
public ChessPosition( int nPosRank, int nPosPile )
{
this.posType = GetPositionType( nPosRank, nPosPile );
if( this.posType != BoardPositionType.eNone ) {
this.nRank = nPosRank;
this.nPile = nPosPile;
this.pos = (BoardPosition)(nPosPile * ChessData.nNumRank + nPosRank);
}
else {
this.nRank = -1;
this.nPile = -1;
this.pos = BoardPosition.InvalidPosition;
}
}
public ChessPosition( BoardPosition boardPos )
{
int nPosRank = 0, nPosPile = 0;
this.posType = ChessPosition.CalcPositionIndex( boardPos, ref nPosRank, ref nPosPile );
if( this.posType != BoardPositionType.eNone ) {
this.nRank = nPosRank;
this.nPile = nPosPile;
this.pos = boardPos;
}
else {
this.nRank = -1;
this.nPile = -1;
this.pos = BoardPosition.InvalidPosition;
}
}
public bool SetPosition( ChessPosition chessPos )
{
this.posType = chessPos.posType;
this.nRank = chessPos.nRank;
this.nPile = chessPos.nPile;
this.pos = chessPos.pos;
if( chessPos.posType == BoardPositionType.eNone ) {
return false;
}
return true;
}
public bool MovePosition( int nRankMove, int nPileMove )
{
int nMovedRank, nMovedPile;
nMovedRank = nRank + nRankMove;
nMovedPile = nPile + nPileMove;
if( nMovedRank >= 0 && nMovedRank < ChessData.nNumRank &&
nMovedPile >= 0 && nMovedPile < ChessData.nNumPile ) {
SetPosition( nMovedRank, nMovedPile);
return true;
}
pos = BoardPosition.InvalidPosition;
posType = BoardPositionType.eNone;
nRank = -1;
nPile = -1;
return false;
}
private bool OwlShouldStopHere(int position, BoardPositionType desiredColor)
{
return(position >= NestPosition ||
(desiredColor == Board[position] && !Owls.Inhabit(position)));
}