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115 lines
2.6 KiB
PHP
115 lines
2.6 KiB
PHP
<?php
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/*
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* stupid IA for tron
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* but less stupid in order to test the arena code
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*
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* Copy left Gnieark https://blog-du-grouik.tinad.fr 2016
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* GNU GPL V3 license
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*/
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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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//load classes
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include ("incTron/Coords.php");
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include ("incTron/Direction.php");
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$in=file_get_contents('php://input');
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$params=json_decode($in, TRUE);
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function in_array_objet($searched,$array){
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/*
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*Because( in_array php function doesn't works if array contains objects)
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*/
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foreach($array as $obj){
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if ($searched == $obj) return true;
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}
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return false;
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}
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function get_available_dirs($busyCells,$myCoords){
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$directions = array(
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Direction::make("x+"),
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Direction::make("x-"),
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Direction::make("y+"),
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Direction::make("y-")
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);
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$availablesDirs = array();
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foreach ($directions as $dirObj){
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if(!in_array_objet($myCoords->addDirection($dirObj),$busyCells, TRUE)){
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$availablesDirs[] = $dirObj;
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}
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}
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return $availablesDirs;
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}
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function scoreDirection($busyCells,$headPOS,$dir){
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$newBusyCells = $busyCells;
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$newBusyCells[] = $headPOS->addDirection($dir);
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return count(get_available_dirs($newBusyCells,$headPOS->addDirection($dir)));
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}
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switch($params['action']){
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case "init":
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echo '{"name":"Stupid AI"}';
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break;
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case "play-turn":
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//Input JSON exemple:
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/*
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{"game-id":"1784",
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"action":"play-turn",
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"game":"tron",
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"board":[
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[[490,937],[489,937],[489,938]],
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[[349,806],[350,806],[350,805]]
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],"player-index":0,"players":2}
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*/
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//put all non empty coords on array
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$busyCells = array();
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foreach($params['board'] as $tail){
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foreach($tail as $coord){
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$busyCells[] = new Coords($coord[0],$coord[1]);
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}
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}
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//get my head coords
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$myCoords = new Coords($params['board'][$params['player-index']][0][0],$params['board'][$params['player-index']][0][1]);
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$availablesDirs = get_available_dirs($busyCells,$myCoords);
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//score them
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$majoredAvailableDirs = array();
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foreach($availablesDirs as $dir){
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$score = scoreDirection($busyCells,$myCoords,$dir);
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for($i = 0; $i < $score * 10; $i++){
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$majoredAvailableDirs[] = $dir;
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}
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}
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if(count($majoredAvailableDirs) == 0){
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echo '{"play":"x+","comment":"I Loose"}';
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error_log("i ll loose");
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}else{
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shuffle($majoredAvailableDirs);
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echo '{"play":"'.$majoredAvailableDirs[0].'"}';
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//error_log(json_encode($majoredAvailableDirs));
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}
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break;
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default:
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break;
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} |