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74 lines
1.7 KiB
PHP
74 lines
1.7 KiB
PHP
<?php
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class TronPlayer{
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private $url;
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private $name;
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private $tail = array();
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private $direction;
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private $state;
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private function set_direction($newDir){
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//can't be the opposite of the previous direction
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if(
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(($newDir == "x+") && ($this->direction == "x-"))
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|| (($newDir == "x-") && ($this->direction == "x+"))
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|| (($newDir == "y+") && ($this->direction == "y-"))
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|| (($newDir == "y-") && ($this->direction == "y+"))
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){
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return false;
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}
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$this->direction = $newdir;
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return true;
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}
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public function grow($dir=""){
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if($dir == ""){
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$dir = $this->direction;
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}
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if(!$this->set_direction()){
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return false;
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}
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$headCoords = end($this->tail);
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switch ($dir){
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case "y+":
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$targetCoords = array($headCoords[0],$headCoords[1]++);
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break;
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case "y-":
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$targetCoords = array($headCoords[0],$headCoords[1]--);
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break;
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case "x+":
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$targetCoords = array($headCoords[0]++,$headCoords[1]);
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break;
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case "x-":
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$targetCoords = array($headCoords[0]--,$headCoords[1]);
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break;
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default:
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return false;
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}
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$this->tail[] = $targetCoords;
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}
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public function __construct($id,$initialX,$initialY,$initialDirection){
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$lnBdd = conn_bdd();
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$rs = mysqli_query($lnBdd,
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"SELECT name,url FROM bots WHERE game='tron' AND id='".mysqli_real_escape_string($lnBdd, $id)."';"
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);
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if(($r=mysqli_fetch_row($rs)) && in_array($initialDirection,array('x-','x+','y-','y+'))){
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$this->name = $r[0];
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$this->url = $r[1];
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$this->tail = array(array($initialX,$initialY));
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$this->direction = $initialDirection;
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$this->state= true;
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}else{
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$this->state = false;
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}
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}
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} |