PiecePtr IPiece::createPiece(Type type, Color color, Square square)
{
switch(type) {
case PAWN: return PiecePtr(new Pawn(color, square));
default :return PiecePtr(new NullPiece(color, square));
}
}
PiecePtr IPiece::createPiece(char symbol, Square square)
{
switch (symbol) {
case 'P': return PiecePtr(new Pawn(WHITE, square));
case 'p': return PiecePtr(new Pawn(BLACK, square));
default :return PiecePtr(new NullPiece(WHITE, square));
}
}
BitCache::PiecePtr BitCache::FetchNewPiece()
{
if (cache_piece_.size() > max_cache_pieces_)
{
CachePiece::iterator it = GetOldestPiece();
if (it != cache_piece_.end())
{
PiecePtr result = it->second;
cache_piece_.erase(it);
result->Clear();
return result;
}
}
return PiecePtr(new BitPiece(piece_length_));
}
