Принцип создания браузерной игры

 
class Map
{
private $maxx , $maxy ;
public $map;
 
    function __construct($maxx,$maxy)
    {
     if ($maxx < 1)
      $maxx = 1;
         $this -> maxx = $maxx;      
     if ($maxy < 1)
      $maxy = 1;
         $this -> maxy = $maxy;     
         $map = array(); 
    }   
    
    function SetDefaultTexture($Tcode)
    {
     for ($x = 0 ; !($x > $this -> maxx); $x++)
      for ($y = 0 ; !($y > $this -> maxy); $y++)
       $this -> AddObj($x , $y , $Tcode);
    }
    
    function AddObj($x, $y ,$obj)
    {
     if (!isset($this -> map [$x] [$y] ))
      $this -> map [$x] [$y] = $obj;
     else 
      $this -> map [$x] [$y] .= '/'.$obj;
    }
    
    function IsObjInSector($x, $y, $obj)
    {
     return in_array( $obj , $this -> GetSectorObj($x ,$y) );
    }
    
    function GetSectorObj($x , $y)
    {
     if (!isset($this -> map [$x] [$y] ))
      return array();
     return explode('/',$this -> map [$x] [$y]); 
    }
    
}

 
class base
{
public $name;
#bot , npc , player , item
public $type;
 
 function __construct($type)
 {
 $this -> type = $type;
 $this -> SetName( 'unknow_'. $this->type );
 }
 
 function SetName($name)
 {
 $this -> name = $name;
 }
 
}
 

 
class Item extends base
{
public $bonuses;
public $requares;
 
 function __construct($type)
 {
  #weapon , ring , shield , boots , belts , bracers...
  parent::__construct($type);
  $this -> bonuses = array();
  $this -> requares = array();
 }
 
 function AddRequare($req , $count)
 {
  static $counter = 0;
  $count++;
  $this -> requares [$counter] ['name'] = $req;
  $this -> requares [$counter] ['count'] = $count;
 }
 
 function AddBonus($bonus , $count)
 {
  static $counter = 0;
  $counter ++; 
  $this -> bonuses [$counter] ['name'] = $bonus;
  $this -> bonuses [$counter] ['count'] = $count;
 } 
 
}

 
class Weapon extends Item
{
#dager , mace , sword
public $subtype;
public $ldmg , $hdmg;
 
function __construct($ldmg,$hdmg)
{
parent::__construct('weapon');
$this -> ldmg = $ldmg;
$this -> hdmg = $hdmg;
}
 
function SetSubtype($type)
{
$this -> subtype = $type;
}
 
}
 

 
class NPC extends base
{
#can he walk or stay on place
private $IsStatic;
 
 function __construct($name)
 {
  parent::__construct('npc');
  $this -> SetName($name);
  $this -> IsStatic = false;
 }
 
 function MakeStatic($is=true)
 {
  $this -> IsStatic = $is;
 } 
 
}
 

 
abstract class Unit extends base
{
#mage , warrior ... maybe robot , pirate )
public $Pclass;
public $stats;
public $lvl;
 
 function __construct($type)
 {
  #bot or player
  parent::__construct($type);
  $this -> Pclass = 'unknow_'.$type;
  $this -> lvl = 1;
  $this -> stats = array(); 
 }
 
 function SetClass($c)
 {
  $this -> Pclass = $c;
  $this -> compile();
 }
 
 function SetLvl($lvl)
 {
  $this -> lvl = $lvl;
  $this -> compile();
 }
 
 function SetStats($stat , $count)
 {
  if (!isset( $this -> stats [$stat] ))
   $this -> stats [$stat] = $count;
  else
   $this -> AddStat($stat , $count); 
 }
 
 function AddStat($stat , $count)
 {
  if (isset( $this -> stats [$stat] ))
   $this -> stats [$stat] += $count;
  else
   $this -> SetStat($stat , $count); 
 }
 
 function GetStats()
 {
  return $this -> stats;
 }
 
 #adding stats extends class , items , lvl , and bonuses
 abstract function compile();
 
}