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69 lines
1.9 KiB
PHP
69 lines
1.9 KiB
PHP
<?php
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$cases=array("0-0","0-1","0-2","1-0","1-1","1-2","2-0","2-1","2-2");
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$grille=array(0,0,0,0,0,0,0,0,0); //0 nonjoué ; 1 joué par player 1; 2 idem player 2
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play($grille,1,1);
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play($grille,1,2);
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function play($grid,$joueur,$statForPlayer,$profondeur=1){
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//trouver toutes les cases libres
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$count=0;
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$sommeScores=0;
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foreach($grid as $key => $case){
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if($case==0){
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//on joue là
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$gridTemp=$grid;
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$gridTemp[$key]=$joueur;
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//echo $key." ".$profondeur;
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//si c'est gagnant
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if(isWinGrid($grid)){
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$score=1;
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}
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//si la grille est pleine
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elseif(isGridFull($gridTemp)){
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$score=0;
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}else{
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//sinon, on part en profondeur, next player
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$score= - play($gridTemp,2,$statForPlayer,$profondeur+1)/$profondeur;
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}
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if($joueur==$statForPlayer){
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echo implode(",",$grid)." ".$key.":".$score." \n";
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}
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$count++;
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$sommeScores=$sommeScores+$score;
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}
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}
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return ($sommeScores/$count);
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}
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function isGridFull($grille){
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foreach($grille as $case){
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if ($case==0){
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return false;
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}
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}
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return true;
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}
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function isWinGrid($grille){
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$linesAndDiags=array(
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array(0,1,2),
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array(3,4,5),
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array(6,7,8),
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array(0,3,6),
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array(1,4,7),
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array(2,5,8),
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array(0,4,8),
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array(2,4,6)
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);
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foreach($linesAndDiags as $winComb){
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if(
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($grille[$winComb[0]]>0)
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&& ($grille[$winComb[0]]==$grille[$winComb[1]])
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&& ($grille[$winComb[0]]==$grille[$winComb[2]])
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){return true;}
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}
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return false;
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} |