function scanDiagonalsGravelyForWin()
{
$a_tmp_column = array();
$a_winning_set = array();
$start_rows = $this->rows - matchLength();
$end_rows = $this->rows - 1;
$start_cols = 0;
$end_cols = $this->columns - 1;
$max_cols = matchLength() - 1;
$y = $start_cols;
$x = $start_rows;
$i_max = $this->rows * $this->columns;
$outer_x = $x;
$outer_y = $y;
$a_coords = array();
$i = 0;
$j = 0;
while ($outer_y <= matchLength()) {
while ($x <= $end_rows && $x >= 0 && $outer_y <= $max_cols && $y <= $end_cols) {
if ($j == 0) {
$s_start = "start_y = {$y} start_x = {$x}<br/>\n";
$i_start_x = $x;
$i_start_y = $y;
}
$s_end = "end_y = {$y} end_x = {$x}<br/>\n";
$i_end_x = $x;
$i_end_y = $y;
$a_tmp_column[] = $this->layout[$x][$y];
$a_coords[] = "{$x}:{$y}";
$y++;
$x++;
$j++;
}
$j = 0;
$a_winning_set = findWinner($a_tmp_column, $i, $this->x, $this->o, 'gravely');
// find first value filled in a_tmp_column
if (is_array($a_winning_set)) {
// TODO: should I use i_pad to increment? hell ya
$p_limit = count($a_tmp_column);
for ($p = 0; $p < $p_limit; $p++) {
if (strlen($a_tmp_column[$p]) > 1) {
$i_pad = $p;
break;
}
}
$i_diff_x = $i_end_x - $i_start_x;
$i_diff_y = $i_end_y - $i_start_y;
$i_need_x = $i_diff_x - matchLength();
$i_need_y = $i_diff_y - matchLength();
if ($i_need_x >= 0) {
$i_start_x += $i_pad;
}
if ($i_need_y >= 0) {
$i_start_y += $i_pad;
}
if (isset($a_winning_set['x'])) {
$a_winning_set['x'][0] = $i_start_y;
$a_winning_set['x'][1] = $i_start_x;
}
if (isset($a_winning_set['o'])) {
$a_winning_set['o'][0] = $i_start_y;
$a_winning_set['o'][1] = $i_start_x;
}
$this->isGameOver = TRUE;
$a_winning_set['how'] = 'gravely';
$this->a_winning_spot = $a_winning_set;
}
$a_coords = array();
// clear everything out again
if (count($a_tmp_column) > 0) {
$i++;
}
$a_tmp_column = array();
if ($outer_x >= 0) {
$outer_x--;
} else {
$outer_x = 0;
$outer_y++;
}
$x = $outer_x;
$y = $outer_y;
}
}
function findWinner($a_set, $i_index, $x = '', $o = '')
{
$match_length = matchLength();
$set_size = count($a_set);
$i_tries = $set_size - $match_length + 1;
$start_point = 0;
$end_point = $set_size - $i_tries;
if (strlen($x) <= 0) {
$x = 'x';
}
if (strlen($o) <= 0) {
$o = 'o';
}
// loop through places to try
// turn this into a while loop
$x_count = 0;
$o_count = 0;
$i = 0;
$j = 0;
$i_sent = 1;
$i_sent2 = 1;
while ($i_sent2 > 0) {
while ($i_sent > 0) {
if (isset($a_set[$j])) {
if (strcmp($a_set[$j], $x) == 0) {
$x_count++;
}
}
if ($x_count == $match_length) {
$i_sent = 0;
$i_sent2 = 0;
return array('x' => array($i_index, $i, $j));
}
if (isset($a_set[$j])) {
if (strcmp($a_set[$j], $o) == 0) {
$o_count++;
}
}
if ($o_count == $match_length) {
$i_sent = 0;
$i_sent2 = 0;
return array('o' => array($i_index, $i, $j));
}
if ($j >= $end_point) {
$i_sent = 0;
}
$j++;
}
// end while loop
$start_point++;
$end_point++;
$j = $start_point;
$x_count = 0;
$o_count = 0;
$i_sent = 1;
if ($i >= $i_tries) {
$i_sent2 = 0;
}
$i++;
}
// end while loop
// no winner
return FALSE;
}
