142 lines
2.5 KiB
PHP
142 lines
2.5 KiB
PHP
<?php
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header('Access-Control-Allow-Origin: *');
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header('Access-Control-Allow-Methods: GET, POST');
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header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept');
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/*
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* stupid IA for battle ship
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* choose by random a free column
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*/
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function score($board,$me,$colToPlay){
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$newBoard = $board;
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//add cell
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for($y = 0; $board[$y][$colToPlay] <> ""; $y++){
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}
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$newBoard[$y][$colToPlay] = $me;
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//do I win?
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$searchValue="";
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for($i = 0 ; $i < 4; $i++){
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$searchValue.=$me;
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}
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//horizontaly
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$line="";
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for ($i=0; $i < 7; $i++){
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if ($newBoard[$y][$i] == ""){
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$line.=" ";
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}else{
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$line.=$newBoard[$y][$i];
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}
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}
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if(strpos($searchValue,$line) > -1){
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return 42;
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}
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//verticaly
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$line="";
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for ($i=0; $i < 6; $i++){
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if ($newBoard[$i][$colToPlay] == ""){
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$line.=" ";
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}else{
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$line.=$newBoard[$i][$colToPlay];
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}
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}
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if(strpos($searchValue,$line) > -1){
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return 42;
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}
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//diagonal \
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$line="";
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$b = $y + $colToPlay;
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if($b < 6){
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$ix = 0;
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$iy = $b;
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}else{
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$ix = $b - 5;
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$iy = 5;
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}
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for($jx = $ix, $jy = $iy; ($jx < 7) && ($jy > -1); $jx++, $jy--){
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if($newBoard[$jy][$jx] == ""){
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$line.=" ";
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}else{
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$line.=$newBoard[$jy][$jx];
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}
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}
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if(strpos($searchValue,$line) > -1){
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return 42;
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}
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/*
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//diagonal / affin function like y=x+b
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b = parseInt(y - x);
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if( b > -1){
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//first point has x=0
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kx = 0;
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ky = b
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}else{
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//first point has y=0
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ky = 0;
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kx = -b;
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}
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var line="";
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var lx , ly;
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for (lx = kx , ly = ky ; (lx < 7) && (ly < 6) ; lx++ , ly++){
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if( board[ly][lx] == ""){
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line += " ";
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}else{
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line += board[ly][lx];
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}
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}
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if (line.indexOf(searchValue) > -1){
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wins(currentPlayer);
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return;
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}
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*/
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}
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function better_col($board,$me){
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$betterScore= -1000;
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$betterCol= -1;
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for( $i = 0; $i < 7; $i++){
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if($board[5][$i] == ""){
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$sc = score($board,$me,$i);
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if( score($board,$me,$i) > $betterScore){
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$betterScore = $sc;
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$betterCol = $i;
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}
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}
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}
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return $i;
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}
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$in=preg_replace('/""/','" "',file_get_contents('php://input'));
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$params=json_decode($in, TRUE);
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switch($params['action']){
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case "init":
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echo '{"name":"Gnieark"}';
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break;
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case "play-turn":
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echo $in;
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echo '{"play":"'.better_col($params['board'],$params['you']).'"}';
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break;
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default:
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break;
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} |