From 7599202cbb7b750a8c963fafc8c15a5017b84ea5 Mon Sep 17 00:00:00 2001
From: Gnieark <rpasserieu@ch-boispetit.fr>
Date: Wed, 29 Jun 2016 16:30:39 +0200
Subject: [PATCH] class playersTron

---
 src/arenas/tron/act.php       | 22 +++++++++++
 src/arenas/tron/functions.php | 71 +++++++++++++++++++++++++++++++++++
 src/arenas/tron/js.js         |  3 +-
 src/functions.php             |  2 +-
 4 files changed, 96 insertions(+), 2 deletions(-)

diff --git a/src/arenas/tron/act.php b/src/arenas/tron/act.php
index e69de29..e825e0c 100644
--- a/src/arenas/tron/act.php
+++ b/src/arenas/tron/act.php
@@ -0,0 +1,22 @@
+<?php
+#- BEGIN LICENSE BLOCK ---------------------------------------
+#
+# This file is part of botsArena.
+#
+# Copyright (C) Gnieark et contributeurs
+# Licensed under the GPL version 3.0 license.
+# See LICENSE file or
+# http://www.gnu.org/licenses/gpl-3.0-standalone.html
+#
+# -- END LICENSE BLOCK -----------------------------------------
+
+require_once(__DIR__."/functions.php");
+switch ($_POST['act']){
+  case "initGame":
+  
+  
+    break;
+  default:
+    break;
+
+}
\ No newline at end of file
diff --git a/src/arenas/tron/functions.php b/src/arenas/tron/functions.php
index e69de29..0867391 100644
--- a/src/arenas/tron/functions.php
+++ b/src/arenas/tron/functions.php
@@ -0,0 +1,71 @@
+<?php
+
+class TronPlayer{
+  private $url;
+  private $name;
+  private $tail = array();
+  private $direction;
+  public $state;
+
+  private function set_direction($newDir){
+    //can't be the opposite of the previous direction
+    if(
+	   (($newDir == "x+") && ($this->direction == "x-"))
+	|| (($newDir == "x-") && ($this->direction == "x+"))
+	|| (($newDir == "y+") && ($this->direction == "y-"))
+	|| (($newDir == "y-") && ($this->direction == "y+"))
+     ){
+	return false;
+    }
+    $this->direction = $newdir;
+    return true;
+  }
+  
+  public function grow($dir=""){
+    if($dir == ""){
+      $dir = $this->direction;
+    }
+    
+    $headCoords = end($this->tail);
+    
+    
+    switch $dir{
+      case "y+":
+	$targetCoords = array($headCoords[0],$headCoords[1]++);
+	break;
+      case "y-":
+	$targetCoords = array($headCoords[0],$headCoords[1]--);
+	break;
+      case "x+":
+	$targetCoords = array($headCoords[0]++,$headCoords[1]);
+	break;
+      case "x-":
+      $targetCoords = array($headCoords[0]--,$headCoords[1]);
+	break;
+      default:
+	return false;
+      
+    }
+
+  }
+  
+  
+  public function __construct($id,$initialX0,$initialY0,$initialDirection){
+    $lnBdd = conn_bdd();
+    $rs = mysqli_query($lnBdd,
+      "SELECT name,url FROM bots WHERE game='tron' AND id='".mysqli_real_escape_string($lnBdd, $id)."';"
+    );
+    if(($r=mysqli_fetch_row($rs)) && in_array($initialDirection,array('x-','x+','y-','y+'))){
+      $this->name = $r[0];
+      $this->url = $r[1];
+      $this->tail = array(array($initialX,$initialY));
+      $this->direction = $initialDirection;
+      $this->state= true;
+    }else{
+      $this->state = false;
+    }
+  
+  
+  
+  }
+}
\ No newline at end of file
diff --git a/src/arenas/tron/js.js b/src/arenas/tron/js.js
index fea8610..9c0f9be 100644
--- a/src/arenas/tron/js.js
+++ b/src/arenas/tron/js.js
@@ -13,9 +13,10 @@ function createElemNS(type,attributes){
 }
 
 function applyInitMessage(req){
+  //callback function when init game request
   if(req.readyState  == 4){ 
     if(req.status  == 200) {
-      alert ("ok");
+      alert (req.responseTxt);
 
     }else{
 	alert ('error ' + xhr.status);
diff --git a/src/functions.php b/src/functions.php
index 45cc289..e289bf2 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -151,7 +151,7 @@ function conn_bdd(){
     }                                                                                                                                                                                                      
     mysqli_select_db($linkMysql,$mysqlParams['database']);
     mysqli_set_charset($linkMysql, 'utf8');  
-    return $linkMysql; //does PHP can do that?
+    return $linkMysql;
 
 }
 function get_battles_history($game){