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improved??

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master
Gnieark 8 years ago
parent 3045322aa1
commit eb9c048ae0
1 changed files with 178 additions and 110 deletions
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288
connectfour.php
Unescape Escape View File

@ -25,50 +25,134 @@ header('Access-Control-Allow-Origin: *');
header('Access-Control-Allow-Methods: GET, POST');
header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept');
function can_win($line,$myChar){
function can_win($line,$myChar,$depth=0){
//retourne la position du caractere a remplacer dans la ligne pour gagner
if (strpos($line,"+".$myChar.$myChar.$myChar) !== false ){
return strpos($line,"+".$myChar.$myChar.$myChar);
}
if (strpos($line,$myChar."+".$myChar.$myChar) !== false ){
return strpos($line,$myChar."+".$myChar.$myChar) + 1;
}
if (strpos($line,$myChar.$myChar."+".$myChar) !== false ){
return strpos($line,$myChar.$myChar."+".$myChar) + 2;
}
if (strpos($line,$myChar.$myChar.$myChar."+") !== false ){
return strpos($line,$myChar.$myChar.$myChar."+") + 3;
$arr=array();
if($depth == 0){
if (strpos($line,"+".$myChar.$myChar.$myChar) !== false ){
$arr[] = strpos($line,"+".$myChar.$myChar.$myChar);
}
if (strpos($line,$myChar."+".$myChar.$myChar) !== false ){
$arr[] = strpos($line,$myChar."+".$myChar.$myChar) + 1;
}
if (strpos($line,$myChar.$myChar."+".$myChar) !== false ){
$arr[] = strpos($line,$myChar.$myChar."+".$myChar) + 2;
}
if (strpos($line,$myChar.$myChar.$myChar."+") !== false ){
$arr[] = strpos($line,$myChar.$myChar.$myChar."+") + 3;
}
}else{
if (strpos($line,"+".$myChar.$myChar."+") !== false ){
$arr[] = strpos($line,"+".$myChar.$myChar."+");
$arr[] = strpos($line,"+".$myChar.$myChar."+") + 3;
}
if (strpos($line,"+".$myChar."+".$myChar) !== false ){
$arr[] = strpos($line,"+".$myChar."+".$myChar);
$arr[] = strpos($line,"+".$myChar."+".$myChar) + 2;
}
if (strpos($line,$myChar."+".$myChar."+") !== false ){
$arr[] = strpos($line,$myChar."+".$myChar."+") + 1;
$arr[] = strpos($line,$myChar."+".$myChar."+") + 3;
}
}
return false;
return $arr;
}
function can_loose($line,$hisChar,$depth=0){
//je pourrai perdre aux 2 prochains tours de jeu
// retourne la place du caractere à remplacer pour éviter ça
$arr=array();
if ($depth == 0){
//je pourrai perdre aux 2 prochains tours de jeu
// retourne la place du caractere à remplacer pour éviter ça
if (strpos($line,"+".$hisChar.$hisChar.$hisChar) !== false ){
return strpos($line,"+".$hisChar.$hisChar.$hisChar);
$arr[] = strpos($line,"+".$hisChar.$hisChar.$hisChar);
}
if (strpos($line,$hisChar."+".$hisChar.$hisChar) !== false ){
return strpos($line,$hisChar."+".$hisChar.$hisChar) + 1;
$arr[] = strpos($line,$hisChar."+".$hisChar.$hisChar) + 1;
}
if (strpos($line,$hisChar.$hisChar."+".$hisChar) !== false ){
return strpos($line,$hisChar.$hisChar."+".$hisChar) + 2;
$arr[] = strpos($line,$hisChar.$hisChar."+".$hisChar) + 2;
}
if (strpos($line,$hisChar.$hisChar.$hisChar."+") !== false ){
return strpos($line,$hisChar.$hisChar.$hisChar."+") + 3;
$arr[] = strpos($line,$hisChar.$hisChar.$hisChar."+") + 3;
}
}else{
if (strpos($line,"+".$hisChar.$hisChar."+") !== false ){
return strpos($line,"+".$hisChar.$hisChar."+");
$arr[] = strpos($line,"+".$hisChar.$hisChar."+");
$arr[] = strpos($line,"+".$hisChar.$hisChar."+") +3;
}
if(strpos($line,"+".$hisChar."+".$hisChar."+") !== false ){
return strpos($line,"+".$hisChar."+".$hisChar."+") + 2;
$arr[] = strpos($line,"+".$hisChar."+".$hisChar."+");
$arr[] = strpos($line,"+".$hisChar."+".$hisChar."+") + 2;
$arr[] = strpos($line,"+".$hisChar."+".$hisChar."+") + 4;
}
}
return false;
return $arr;
}
function array_merge_and_increment_rigth ($arr1,$arr2,$incr){
foreach($arr2 as $v){
$arr1[] = $v + $incr;
}
return $arr1;
}
function analize($line,$me,$opponent,$isVertical,$decalageX){
/*
* Etudie les lignes fournies
* Joue si une case est gagnante
* Sinon, "peuple" des variables
* qui permettront de prendre une décision
*/
static $colForNoLose = array();
static $colForNoLose1 = array();
static $canWinDepth1 = array();
if(count(can_win($line,$me,0)) > 0){
if($isVertical){
echo '{"play":'.$decalageX.'}';
}else{
echo '{"play":'.(can_win($line,$me,0)[0] + $decalageX).'}';
}
die;
}
if (count(can_loose($line,$opponent,0)) > 0){
if($isVertical){
$colForNoLose[] = $decalageX;
}else{
$colForNoLose = array_merge_and_increment_rigth($colForNoLose ,can_loose($line,$opponent,0),$decalageX);
}
}
if (count(can_loose($line,$opponent,1)) > 0 ){
if($isVertical){
$colForNoLose1[] = $decalageX;
}else{
$colForNoLose1 = array_merge_and_increment_rigth($colForNoLose1 ,can_loose($line,$opponent,1),$decalageX);
}
}
if(count(can_win($line,$opponent,1)) > 0){
if($isVertical){
$canWinDepth1[] = $decalageX;
}else{
$canWinDepth1= array_merge_and_increment_rigth($canWinDepth1, can_win($line,$me,1), $decalageX);
}
}
return array(
'colForNoLose' => $colForNoLose,
'colForNoLose1' => $colForNoLose1,
'canWinDepth1' => $canWinDepth1
);
}
function should_opponent_win_if_i_play_at($map,$me,$opponent,$colToPlay){
//j'ouvre l'a possibilité à l'adversaire de jouer au dessus de mon pion
// est-ce une connerie?
@ -113,7 +197,6 @@ function should_opponent_win_if_i_play_at($map,$me,$opponent,$colToPlay){
$kx++;
$ky++;
}
if(strpos($line,$loseStr) !== false){
return true;
}
@ -123,14 +206,15 @@ function should_opponent_win_if_i_play_at($map,$me,$opponent,$colToPlay){
$kx = $colToPlay;
$ky = $y;
while(isset($map[$ky][$kx])){
while(isset($map[$ky -1][$kx +1])){
$kx++;
$ky--;
}
while(isset($map[$ky][$kx])){
$line.=$map[$ky][$kx];
$kx--;
$kx++;
$ky++;
}
if(strpos($line,$loseStr) !== false){
return true;
@ -187,16 +271,7 @@ switch($params['action']){
for($y = 0; $y <6; $y ++){
$colStr.= $params['board'][$y][$x];
}
if(can_win($colStr,$params['you']) !== false){
echo '{"play":'.$x.'}';
die;
}
if (can_loose($colStr,$opponent) !== false){
$colForNoLose = $x;
}
if (can_loose($colStr,$opponent,1) !== false){
$colForNoLose1 = $x;
}
$choice = analize($colStr,$params['you'],$opponent,true,$x);
}
//horizontales
@ -205,17 +280,7 @@ switch($params['action']){
for($x = 0; $x <7; $x ++){
$lnStr.= $params['board'][$y][$x];
}
if(can_win($lnStr,$params['you']) !== false){
echo '{"play":'.can_win($lnStr,$params['you']).'}';
die;
}
if (can_loose($lnStr,$opponent) !== false){
$colForNoLose = can_loose($lnStr,$opponent);
}
if (can_loose($lnStr,$opponent,1) !== false){
$colForNoLose1 = can_loose($lnStr,$opponent,1);
}
$choice = analize($lnStr,$params['you'],$opponent,false,0);
}
//tester seulement les diagonales >= 4 cases
@ -227,32 +292,14 @@ switch($params['action']){
for($x=$k , $y=0; isset($params['board'][$y][$x]); $x++, $y++){
$diagStr.=$params['board'][$y][$x];
}
if(can_win($diagStr,$params['you']) !== false){
echo '{"play":'.($k + can_win($diagStr,$params['you'])).'}';
die;
}
if (can_loose($diagStr,$opponent) !== false){
$colForNoLose = $k + can_loose($diagStr,$opponent);
}
if (can_loose($diagStr,$opponent,1) !== false){
$colForNoLose1 = $k + can_loose($diagStr,$opponent,1);
}
$choice = analize($diagStr,$params['you'],$opponent,false,$k);
//diagonale \
$diagStr="";
for($x=$k , $y=5; isset($params['board'][$y][$x]); $x++, $y--){
$diagStr.=$params['board'][$y][$x];
}
if(can_win($diagStr,$params['you']) !== false){
echo '{"play":'.($k + can_win($diagStr,$params['you'])).'}';
die;
}
if (can_loose($diagStr,$opponent) !== false){
$colForNoLose = ($k + can_loose($diagStr,$opponent));
}
if (can_loose($diagStr,$opponent,1) !== false){
$colForNoLose1 = ($k + can_loose($diagStr,$opponent,1));
}
$choice = analize($diagStr,$params['you'],$opponent,false,$k);
}
for ($k = 0; $k < 3; $k ++){
@ -261,16 +308,7 @@ switch($params['action']){
for($x = 0, $y = $k ; isset($params['board'][$y][$x]); $x++, $y++){
$diagStr.=$params['board'][$y][$x];
}
if(can_win($diagStr,$params['you']) !== false){
echo '{"play":'.can_win($diagStr,$opponent).'}';
die;
}
if (can_loose($diagStr,$opponent) !== false){
$colForNoLose = can_loose($diagStr,$opponent);
}
if (can_loose($diagStr,$opponent,1) !== false){
$colForNoLose1 = can_loose($diagStr,$opponent,1);
}
$choice = analize($diagStr,$params['you'],$opponent,false,0);
}
for ($k = 3 ; $k < 6 ; $k++){
@ -279,52 +317,79 @@ switch($params['action']){
for($x=0 , $y=$k; isset($params['board'][$y][$x]); $x++, $y--){
$diagStr.=$params['board'][$y][$x];
}
if(can_win($diagStr,$params['you']) !== false){
echo '{"play":'.can_win($diagStr,$params['you']).'}';
die;
}
if (can_loose($diagStr,$opponent) !== false){
$colForNoLose = can_loose($diagStr,$opponent);
}
if (can_loose($diagStr,$opponent,1) !== false){
$colForNoLose1 = can_loose($diagStr,$opponent,1);
}
$choice = analize($diagStr,$params['you'],$opponent,false,0);
}
//print_r($choice);
//si j'arrive là, je ne gagne pas à ce tour
if(isset($colForNoLose)){
echo '{"play":'.$colForNoLose.'}';
die;
}elseif(isset($colForNoLose1)){
echo '{"play":'.$colForNoLose1.'}';
die;
}
//still there? random
$colAvailable=array();
//dont play on full colomns and where it is dangerous
//liste des cases possible moins celles à éviter
$colAvailable=array();
for($i=0;$i<7;$i++){
if((($params['board'][5][$i] == "+") OR ($params['board'][5][$i] == "-"))
AND (!should_opponent_win_if_i_play_at($params['board'],$params['you'],$opponent,$i)))
{
$colAvailable[]=$i;
}
}
if(count($colAvailable) == 0){
for($i=0;$i<7;$i++){
if(($params['board'][5][$i] == "+") OR ($params['board'][5][$i] == "-"))
{
if(count($colAvailable) == 0){
//on risque de perdre au prochain tour
for($i=0;$i<7;$i++){
if(($params['board'][5][$i] == "+") OR ($params['board'][5][$i] == "-")){
$colAvailable[]=$i;
}
}
}
}
if(count($choice['colForNoLose']) > 0){
//intersection entre $choice['colForNoLose'] et $colAvailable
$intersection = array_intersect($choice['colForNoLose'],$colAvailable);
if(count($intersection) > 0){
shuffle($intersection);
echo '{"play":'.$intersection[0].'}';
die;
}else{
//on pourra perdre au prochain tour, tant pis
shuffle($choice['colForNoLose']);
echo '{"play":'.$choice['colForNoLose'][0].'}';
die;
}
}
$colForNoLose1 = array_unique($choice['colForNoLose1']);
$canWinDepth1 = array_unique($choice['canWinDepth1']);
$intersection = array_intersect($colForNoLose1,$colAvailable,$canWinDepth1);
if(count($intersection) > 0){
shuffle($intersection);
echo '{"play":'.$intersection[0].'}';
die;
}
$intersection = array_intersect($colForNoLose1,$colAvailable);
if(count($intersection) > 0){
shuffle($intersection);
echo '{"play":'.$intersection[0].'}';
die;
}
$intersection = array_intersect($colForNoLose1,$canWinDepth1);
if(count($intersection) > 0){
shuffle($intersection);
echo '{"play":'.$intersection[0].'}';
die;
}
//still there? random
shuffle($colAvailable);
echo '{"play":'.$colAvailable[0].'}';
@ -333,3 +398,6 @@ switch($params['action']){
default:
break;
}

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