// creates a field item
public FieldItem CreateItem()
{
// sets item values
GameObject itemBox = GameObject.Instantiate((GameObject)Resources.Load(itemPrefab));
FieldItem fieldItem = itemBox.GetComponent <FieldItem>();
fieldItem.ResetDespawnCountdown();
fieldItem.RandomizeItem();
// returns the new field item.
return(fieldItem);
}
// gets a field item
public FieldItem GetItem()
{
// generates new item
if (itemPool.Count == 0)
{
// creates the item.
return(CreateItem());
}
else // takes item from the pool
{
// original
// FieldItem itemBox = itemPool.Dequeue();
// itemBox.ResetDespawnCountdown();
// itemBox.gameObject.SetActive(true);
// itemBox.RandomizeItem(); // randomize item
// new
FieldItem itemBox = null;
// checks for null values
do
{
// gets item
itemBox = itemPool.Dequeue();
// if the item box was null, go through the list again.
if (itemBox == null)
{
continue;
}
// sets values if it isn't null.
itemBox.ResetDespawnCountdown();
itemBox.gameObject.SetActive(true);
itemBox.RandomizeItem(); // randomize item
}while (itemBox == null && itemPool.Count != 0); // while a preset item hasn't been found.
// no items were found in the list.
if (itemBox == null)
{
itemBox = CreateItem();
}
// returns item box.
return(itemBox);
}
}
// sets the total amount of items that are available.
public void SetItemCount(int itemCount)
{
// there are more items that should be available
if (itemPool.Count > itemCount)
{
do
{
// removes the item from the list
FieldItem item = itemPool.Dequeue();
// item was set to null.
if (item == null)
{
continue;
}
Object.Destroy(item.gameObject);
}while (itemPool.Count > itemCount);
}
// there are less items than should be available
else if (itemPool.Count < itemCount)
{
do
{
// generates an item and adds it to the list.
// TODO: check for component being on prefab?
GameObject itemBox = GameObject.Instantiate((GameObject)Resources.Load(itemPrefab));
FieldItem fieldItem = itemBox.GetComponent <FieldItem>();
itemBox.SetActive(false);
// missing component
if (fieldItem == null)
{
fieldItem = itemBox.AddComponent <FieldItem>();
}
fieldItem.RandomizeItem();
itemPool.Enqueue(fieldItem);
}while (itemPool.Count < itemCount);
}
}