.

allPaths.php

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

plop.php

@@ -0,0 +1,107 @@
+<?php
+/*
+* Tic Tac Toe gnieark's IA
+* For programming challenge https://github.com/jeannedhack/programmingChallenges
+* Gnieark 2015 
+* licensed under the Do What the Fuck You Want to Public License http://www.wtfpl.net/
+*/
+function scoreCases($grid,$myChar,$hisChar,$profondeur=0){
+	//lister les cases vides de la grille
+	foreach($grid as $key => $case){
+        $tempGrid=$grid;
+        $tempGrid[$key]=$myChar;
+        if($case==""){ //on ne "score que les cases qui sont libres
+            //tester si je gagne en jouant là
+            if(isGridWin($tempGrid)){
+		if(fmod($profondeur,2)==0){
+		 $scores[$key]=10-$profondeur;	
+           	}else{
+		 $scores[$key]=$profondeur-10;
+		}	
+	    }elseif(nbFreeCases($tempGrid)==0){
+		$scores[$key]=0;
+	    }else{
+		//trouver le plus grand score dans l'array plus profond	en valeur absolue
+		$scores[$key]=0;
+		$scoresDeeper=scoreCases($tempGrid,$hisChar,$myChar,$profondeur+1);
+		foreach($scoresDeeper as $scD){
+			if(abs($scD)>abs($scores[$key])){
+			 $scores[$key]=$scD;
+			}
+		}
+	    }
+	}
+	}
+	//print_r($scores);print_r($grid);echo "------------"; 	
+     return $scores;
+}
+function nbFreeCases($grille){
+	$nb=0;
+    foreach($grille as $case){
+        if ($case==""){
+            $nb++;
+        }
+    }
+    return $nb;
+}
+function isGridWin($grille){
+  if(
+            (($grille['0-0']==$grille['0-1'])&&($grille['0-1']==$grille['0-2'])&&($grille['0-2']!==""))
+        OR  (($grille['1-0']==$grille['1-1'])&&($grille['1-1']==$grille['1-2'])&&($grille['1-2']!==""))
+        OR  (($grille['2-0']==$grille['2-1'])&&($grille['2-1']==$grille['2-2'])&&($grille['2-2']!==""))
+        OR  (($grille['0-0']==$grille['1-0'])&&($grille['1-0']==$grille['2-0'])&&($grille['2-0']!==""))
+        OR  (($grille['0-1']==$grille['1-1'])&&($grille['1-1']==$grille['2-1'])&&($grille['2-1']!==""))
+        OR  (($grille['0-2']==$grille['1-2'])&&($grille['1-2']==$grille['2-2'])&&($grille['2-2']!==""))
+        OR  (($grille['0-0']==$grille['1-1'])&&($grille['1-1']==$grille['2-2'])&&($grille['2-2']!==""))
+        OR  (($grille['0-2']==$grille['1-1'])&&($grille['1-1']==$grille['2-0'])&&($grille['2-0']!==""))
+    ){
+        return true;
+    }
+    return false;
+    
+}
+
+
+$cases=array("0-0","0-1","0-2","1-0","1-1","1-2","2-0","2-1","2-2");
+//filling array
+$freeCases=array();
+foreach($cases as $case){
+	if (!isset($_GET[$case])){
+		echo "wrong parameters ".$case; die;
+	}
+	if($_GET[$case]==""){
+		$freeCases[]=$case;
+	}else{
+            if ($_GET[$case]!==$_GET['you']){
+                $hisChar=$_GET[$case];
+            }
+	}
+	$grille[$case]=$_GET[$case];
+}
+if(!isset($_GET['you'])){
+	echo "wrong parameters 2"; die;
+}
+if (count($freeCases)==0){
+	echo "error. Grid is full, beach!";
+	die;
+}
+if (isGridWin($grille)){
+    echo ("erreur, la grille a déjà été gagnée"); die;
+}
+if(!isset($hisChar)){
+    // si le caractere ennemi n'a pas été trouvé (il n'a pas déjà joué), on le définit arbitrairement.
+    if($_GET['you']=="!"){
+        $hisChar="?";
+   }else{
+        $hisChar="!";
+   }
+}
+$scoresDesCases=scoreCases($grille,htmlentities($_GET['you']),$hisChar);
+$sc=-10000;
+foreach($scoresDesCases as $key=>$caseValue){
+	if($caseValue>$sc){
+        $sc=$caseValue;
+        $beastCase=$key;
+    }
+}
+echo $beastCase;