need less stupid IA to test tron

aBitLessStupidIATron.php

@@ -0,0 +1,98 @@
+<?php
+
+header('Access-Control-Allow-Origin: *');
+header('Access-Control-Allow-Methods: GET, POST'); 
+header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Accept');
+
+
+//load classes
+include ("incTron/Coords.php");
+include ("incTron/Direction.php");
+
+/*
+* stupid IA for tron
+*/
+$in=file_get_contents('php://input');
+
+$params=json_decode($in, TRUE);
+
+
+function get_available_dirs($busyCells,$myCoords){
+
+  $directions = array(
+    new Direction('x+'),
+    new Direction('x-'),
+    new Direction('y+'),
+    new Direction('y-')
+  );
+  
+  $availablesDirs = array();
+  
+  foreach ($directions as $direction){
+    if(in_array($myCoords->addDirection($direction),$busyCells)){
+      $availablesDirs[] = $direction;
+    }
+  }
+  
+  return $availablesDirs;
+}
+
+function scoreDirection($busyCells,$headPOS,$dir){
+  $newBusyCells = $busyCells;
+  $newBusyCells[] = $headPOS->addDirection($dir);
+  return count(get_available_dirs($newBusyCells,$headPOS->addDirection($dir)));
+}
+
+
+switch($params['action']){
+	case "init":
+		echo '{"name":"Stupid AI"}';
+		break;
+	case "play-turn":
+		
+		//Input JSON exemple:
+		/*
+		{"game-id":"1784",
+		"action":"play-turn",
+		"game":"tron",
+		"board":[
+			  [[490,937],[489,937],[489,938]],
+			  [[349,806],[350,806],[350,805]]
+		      ],"player-index":0,"players":2}
+		*/
+		
+		//put all non empty coords on array
+		$busyCells = array();
+		
+		foreach($params['board'] as $tail){
+		  foreach($tail as $coord){
+		    $busyCells[] = new Coords($coord[0],$coord[1]);
+		  }
+		}
+
+		//get my head coords
+		$myCoords =  new Coords($params['board'][$params['player-index']][0][0],$params['board'][$params['player-index']][0][1]);
+		$availablesDirs = get_available_dirs($busyCells,$myCoords);
+		//score them
+		$majoredAvailableDirs = array();
+		foreach($availablesDirs as $dir){
+		  $score = scoreDirection($busyCells,$myCoords,$dir);
+		  for($i = 0; $i < $score * 5; $i++){
+		    $majoredAvailableDirs[] = $dir;
+		  }
+		}
+		
+		
+		if(count($majoredAvailableDirs) == 0){
+		  echo '{"play":"x+","comment":"I Loose"}';
+		  error_log("i ll loose");
+		}else{
+		  shuffle($majoredAvailableDirs);
+		  echo '{"play":"'.$majoredAvailableDirs[0].'"}';
+		  error_log(json_encode($majoredAvailableDirs));
+		}
+		
+		break;
+	default:
+		break;
+}

incTron/Coords.php

@@ -0,0 +1,30 @@
+<?php
+class Coords{
+  private static $min = 0;
+  private static $max = 999;
+
+  public $x;
+  public $y;
+
+  public function __construct(int $x = 0, int $y = 0) {
+    if (($x < Coords::$min) || ($x > Coords::$max) || ($y < Coords::$min) || ($y > Coords::$max)){
+      //out of limits
+      error_log("a bot out of limits");
+      return false;
+    }
+  
+    $this->x = $x;
+    $this->y = $y;
+  }
+
+  public function __toString(){
+    return $this->x.",".$this->y;
+  }
+  
+  public function addDirection(Direction $dir){
+    return new Coords(
+      $this->x + $dir->deltaX,
+      $this->y + $dir->deltaY
+    );
+  }
+}

incTron/Direction.php

@@ -0,0 +1,92 @@
+<?php
+class Direction
+{
+  private static $top = 0;
+  private static $bottom = 1;
+  private static $left = 2;
+  private static $right = 3;
+  
+  private $value;
+
+  public $deltaX;
+  public $deltaY;
+  
+  public function __construct(){
+    $this->value = 0;
+  }
+  
+  private function setValue($value){
+    $this->value = $value;
+    switch ($value){
+      case Direction::$bottom:
+	$this->deltaY = -1;
+	$this->deltaX = 0;
+	break;
+      case Direction::$top:
+	$this->deltaY = 1;
+	$this->deltaX = 0;
+	break;  
+      case Direction::$left:
+	$this->deltaY = 0;
+	$this->deltaX = -1;
+	break;
+      case Direction::$right:
+	$this->deltaY = 0;
+	$this->deltaX = 1;
+	break;
+    }
+  }
+  
+  public function __toString(){
+    switch ($this->value){
+      case Direction::$top:
+	return "y+";
+	break;
+      case Direction::$bottom:
+	return "y-";
+	break;
+      case Direction::$left:
+	return "x-";
+	break;
+      case Direction::$right:
+	return "x+";
+	break; 
+    }
+  }
+  
+  public static function make($str){
+    $dir = new Direction();
+    switch((string)$str){
+      case "x+":
+	$dir->setValue(Direction::$right);
+	break;
+      case "x-":
+	$dir->setValue(Direction::$left);
+	break;
+      case "y+":
+	$dir->setValue(Direction::$top);
+	break;
+      case "y-":
+	$dir->setValue(Direction::$bottom);
+	break;
+      default:
+	//error_log("expected 'x+', 'x-', 'y+' or 'y-'". (string)$str."received.");
+	return false;
+	//throw new InvalidDirectionException("expected 'x+', 'x-', 'y+' or 'y-'". (string)$str."received.");
+	break;
+    }
+    return $dir;
+  }
+  public function opposite(){
+     $opposites = array(
+	Direction::$top => Direction::$bottom,
+	Direction::$bottom => Direction::$top,
+	Direction::$left => Direction::$right,
+	Direction::$right => Direction::$left
+     );
+     
+    $opposite = new Direction();
+    $opposite->setValue($opposites[$this->value]);
+    return $opposite;
+  }
+}

stupidIATron.php

@@ -8,6 +8,9 @@ header('Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type, Ac
 * stupid IA for tron
 */
 $in=file_get_contents('php://input');
+
+
+
 $params=json_decode($in, TRUE);
 switch($params['action']){
 	case "init":
@@ -16,20 +19,14 @@ switch($params['action']){
 	case "play-turn":
 		
 		//Input JSON exemple:
-		/*{
+		/*
-		"game-id":"1647",
+		{"game-id":"1784",
 		"action":"play-turn",
 		"game":"tron",
 		"board":[
-		  [
+			  [[490,937],[489,937],[489,938]],
-		    [425,763],[424,763],[423,763],[422,763],[421,763],[420,763],[419,763]
+			  [[349,806],[350,806],[350,805]]
-		   ],
+		      ],"player-index":0,"players":2}
-		   [
-		    [858,501],[857,501],[856,501],[855,501],[854,501],[853,501],[852,501]
-		   ]
-		 ],
-		"player-index":0,
-		"players":2}
 		*/
 		
 		//put all non empty coords on array
@@ -41,28 +38,30 @@ switch($params['action']){
 		  }
 		}
 		
+		
 		//get my head coords
-		$myCoords = end($params['board'][$params['player-index']]);
+		$myCoords = $params['board'][$params['player-index']][0];
 		
 		$x = $myCoords[0];
 		$y = $myCoords[1];
 		
 		$availablesDirs = array();
 		if (!in_array(($x + 1).",".$y, $busyCells)){
-		  $availablesDirs[] = "x-";
-		}
-		if (!in_array(($x -1 ).",".$y, $busyCells)){
 		  $availablesDirs[] = "x+";
 		}
+		if (!in_array(($x -1 ).",".$y, $busyCells)){
+		  $availablesDirs[] = "x-";
+		}
 		if (!in_array($x.",".($y + 1), $busyCells)){
-		  $availablesDirs[] = "y-";
+		  $availablesDirs[] = "y+";
 		}
 		if (!in_array($x.",".($y - 1), $busyCells)){
-		  $availablesDirs[] = "y+";
+		  $availablesDirs[] = "y-";
 		}
 		
 		if(count($availablesDirs) == 0){
 		  echo '{"play":"x+","comment":"I Loose"}';
+		  error_log("i ll loose");
 		}else{
 		  shuffle($availablesDirs);
 		  echo '{"play":"'.$availablesDirs[0].'"}';