<?php
class Resource_model extends MO_Model
{
  function __construct()
  {
    parent::__construct();
  }

  //calculates how much unit can be created with the available resources
  //since where this is called I  display resources, its passed from there
  function calc_max_unit($unit, $max_num, $res)
  {
    for ($i = 1; $i <= $max_num; $i++)
    {
      $res['food'] -= $unit['cost_food'];
      $res['wood'] -= $unit['cost_wood'];
      $res['stone'] -= $unit['cost_stone'];
      $res['iron'] -= $unit['cost_iron'];
      $res['mana'] -= $unit['cost_mana'];

      //not sure if this is needed
      if ($res['food'] < 0 && $res['wood'] < 0 && 
	  $res['stone'] < 0 && $res['iron'] < 0 &&
	  $res['mana'] < 0)
      {
	return ($i - 1);
      }
			

      if ($res['food'] < 0 || $res['wood'] < 0 || 
	  $res['stone'] < 0 || $res['iron'] < 0 ||
	  $res['mana'] < 0)
      {
	return ($i - 1);
      }

    }

    return $max_num;
  }


  function have_enough_resources_building($buildingid, $villageid)
  {
    $res = $this->get_resources($villageid);

    $sql = "SELECT * FROM buildings WHERE id='$buildingid'";
    $q = $this->db->query($sql);
    $building = $q->row_array();

    if ($res['food'] >= $building['cost_food'] &&
	$res['wood'] >= $building['cost_wood'] &&
	$res['stone'] >= $building['cost_stone'] &&
	$res['iron'] >= $building['cost_iron'] &&
	$res['mana'] >= $building['cost_mana'])
      return TRUE;

    return FALSE;

  }

	
}
//nowhitesp