本文整理汇总了PHP中Board::square_is_valid方法的典型用法代码示例。如果您正苦于以下问题：PHP Board::square_is_valid方法的具体用法？PHP Board::square_is_valid怎么用？PHP Board::square_is_valid使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Board的用法示例。
在下文中一共展示了Board::square_is_valid方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: _get_square_coords
/**
* Gets the coordinates of a square position
*
* @param string $sq square position on the board
* @return array x,y coordinates
*/
static function _get_square_coords($sq)
{
#If $sq is not a valid square
if (Board::square_is_valid($sq) == false) {
return NULL;
}
$x = ord(strtolower(substr($sq, 0, 1))) - ord('a');
$y = substr($sq, 1, 1) - 1;
return array($x, $y);
}示例2: make_move
/**
* Takes two parameters containing the name of the square to move from and
* the name of the square to move to. They should be validated with
* "square_is_valid()" in Board before calling. Optionally takes a
* third parameter, which can be set to zero to indicate that no legality
* checking should be done. In this case, flags indicating 'en passant' pawn
* captures or castling will not be set! Only by entirely validating the move
* do these flags have any meaning. The default is to validate every move.
*
* @param string $sq1 current position of the piece
* @param string $sq2 destination of the piece
* @param bool $validate whether to validate the move
*
* @return MoveListEntry|NULL a MoveListEntry representing the move just made or NULL
* if any errors occur and the move was not considered
*/
public function make_move($sq1, $sq2, $validate = true)
{
$move = NULL;
#Invalid square
if (Board::square_is_valid($sq1) == false) {
return NULL;
}
if (Board::square_is_valid($sq2) == false) {
return NULL;
}
if ($validate) {
if ($this->is_move_legal($sq1, $sq2) == false) {
return NULL;
}
}
$player1 = $this->players[0];
$player2 = $this->players[1];
$board = $this->board;
$piece = $board->get_piece_at($sq1);
$player = $piece->get_player();
#if no piece at sq1
if ($piece == NULL) {
return NULL;
}
$movelist = $this->movelist;
$capture = $board->get_piece_at($sq2);
$flags = 0x0;
if ($validate && $piece instanceof Pawn) {
if ($player == $player1) {
if (Board::vert_distance("d8", $sq2) == 0) {
$flags = $flags | self::__MOVE_PROMOTE__;
}
//Bitwise Or
} else {
if (Board::vert_distance("d1", $sq2) == 0) {
$flags = $flags | self::__MOVE_PROMOTE__;
}
//Bitwise Or
}
}
if ($capture) {
$flags = $flags | self::__MOVE_CAPTURE__;
//Bitwise Or
$capture->set_captured(1);
$board->set_piece_at($sq1, NULL);
$board->set_piece_at($sq2, $piece);
$piece->set_current_square($sq2);
$piece->set_moved(1);
$move = $movelist->add_move($piece, $sq1, $sq2, $flags);
$movenum = $move->get_move_num();
$this->captures[$player][$movenum] = $capture;
} else {
if ($validate && $piece instanceof Pawn && $this->_is_valid_en_passant($piece, $sq1, $sq2)) {
$last_moved = $movelist->get_last_moved();
$move = $movelist->get_move($movelist->get_move_num(), $last_moved);
$capture = $move->get_piece();
$flags = $flags | self::__MOVE_CAPTURE__;
$flags = $flags | self::__MOVE_EN_PASSANT__;
$capture->set_captured(1);
$board->set_piece_at($sq1, NULL);
$board->set_piece_at($sq2, $piece);
$piece->set_current_square($sq2);
$move = $movelist->add_move($piece, $sq1, $sq2, $flags);
$this->analyzed = 0;
$movenum = $move->get_move_num();
$piece->_set_firstmoved($movenum);
$this->captures[$player][$movenum] = $capture;
} else {
if ($validate && $piece instanceof King) {
if ($this->_is_valid_short_castle($piece, $sq1, $sq2)) {
$flags = $flags | self::__MOVE_CASTLE_SHORT__;
}
if ($this->_is_valid_long_castle($piece, $sq1, $sq2)) {
$flags = $flags | self::__MOVE_CASTLE_LONG__;
}
}
if ($flags & self::__MOVE_CASTLE_SHORT__ || $flags & self::__MOVE_CASTLE_LONG__) {
$rook_sq = $king_sq = $rook_sq_new = $king_sq_new = NULL;
$rook = $king = NULL;
if ($player == $player1) {
$rook_sq = $flags & self::__MOVE_CASTLE_SHORT__ ? "h1" : "a1";
$rook_sq_new = $flags & self::__MOVE_CASTLE_SHORT__ ? "f1" : "d1";
$king_sq = "e1";
$king_sq_new = $flags & self::__MOVE_CASTLE_SHORT__ ? "g1" : "c1";
//.........这里部分代码省略.........