/**
* Validate a move
* @param array parsed move array from {@link _parseMove()}
* @return true|PEAR_Error
* @throws GAMES_CHESS_ERROR_MOVE_MUST_CAPTURE
* @access protected
*/
function _validMove($move)
{
list($type, $info) = each($move);
if ($this->_capturePossible() && ($type == GAMES_CHESS_CASTLE || $this->_board[$info['square']] == $info['square'])) {
if ($type == GAMES_CHESS_CASTLE) {
$san = $info == 'K' ? 'O-O' : 'O-O-O';
} else {
$san = $info['piece'] . $info['disambiguate'] . $info['takes'] . $info['square'];
}
return $this->raiseError(GAMES_CHESS_ERROR_MOVE_MUST_CAPTURE, array('san' => $san));
}
return parent::_validMove($move);
}
function _validMove($move)
{
list($type, $info) = each($move);
reset($move);
if ($type == GAMES_CHESS_PIECEPLACEMENT) {
if (!$this->_captured[$this->_move][$info['piece']]) {
return $this->raiseError(GAMES_CHESS_ERROR_NOPIECES_TOPLACE, array('color' => $this->_move == 'W' ? 'B' : 'W', 'piece' => $info['piece']));
}
if ($this->_board[$info['square']] != $info['square']) {
return $this->raiseError(GAMES_CHESS_ERROR_PIECEINTHEWAY, array('square' => $info['square']));
}
return true;
} else {
return parent::_validMove($move);
}
}
