/**
* Calculates the free space of a character. If the item can stack
* to another item it will be allowed to loot.
* @todo set this place somewhere else. E.g. bag.
*
* @param int $character_id the ID of the current character
* @param int $item_id the ID of the lootable item
* @param boolean $returnBagIndex set true to return an array with a `bag_id` and `index`
* @return array|boolean if there is not space left it returns a false. @see $returnBagIndex for array
*/
function hasFreeSpace($character_id = null, $item_id = null, $returnBagIndex = false)
{
App::import('Model', 'Bag');
$Bag = new Bag();
$Bag->unbindModelAll();
$Bag->bindModel(array('belongsTo' => array('Item')));
$Bag->Item->unbindModelAll();
$Bag->Item->bindModel(array('hasAndBelongsToMany' => array('Stat')));
$Bag->recursive = 2;
$bags = $Bag->find('all', array('conditions' => array('Bag.character_id' => $character_id)));
$total_slots = 0;
$total_slots_filled = 0;
$bag_ids = array();
$firstBagIndex = array();
$bag_counts = array();
$bag_indexes = array();
foreach ($bags as $bag) {
$bag_ids[] = $bag['Bag']['id'];
$total_slots += $bag['Item']['StatNamed']['slots'];
$bag_counts[$bag['Bag']['id']] = $bag['Item']['StatNamed']['slots'];
}
App::import('Model', 'Inventory');
$Inventory = new Inventory();
$inventories = $Inventory->getBag($bag_ids);
foreach ($inventories as $inventory) {
if ($inventory['Item']['id'] == $item_id && $inventory['Item']['stackable'] > $inventory[0]['count']) {
if ($returnBagIndex == true) {
return array('bag_id' => $inventory['Inventory']['bag_id'], 'index' => $inventory['Inventory']['index']);
} else {
return true;
}
}
$bag_indexes[$inventory['Inventory']['bag_id']][$inventory['Inventory']['index']] = 1;
$total_slots_filled++;
}
if ($total_slots_filled < $total_slots) {
if ($returnBagIndex == true) {
foreach ($bag_counts as $bag_id => $count) {
if ($count > 0) {
asort($bag_indexes);
$last_index = 0;
for ($i = 1; $i <= $bag_counts[$bag_id]; $i++) {
if (!isset($bag_indexes[$bag_id][$i])) {
$firstBagIndex = array('bag_id' => $bag_id, 'index' => $i);
break 2;
}
}
}
}
$firstBagIndex['bag_id'] = !isset($firstBagIndex['bag_id']) || $firstBagIndex['bag_id'] == 0 ? $bag_ids[0] : $firstBagIndex['bag_id'];
$firstBagIndex['index'] = !isset($firstBagIndex['index']) || $firstBagIndex['index'] == 0 ? 1 : $firstBagIndex['index'];
return $firstBagIndex;
} else {
return true;
}
}
return false;
}
