108 lines
3.2 KiB
PHP
108 lines
3.2 KiB
PHP
|
<?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;
|