// Destroyes previous children and re-creates them
void DisplayLists()
{
UIPlayerResourceItem[] children = collectionArea.GetComponentsInChildren <UIPlayerResourceItem>();
// Destroy each item. Make sure to destroy the game object, otherwise just the component will be removed.
foreach (UIPlayerResourceItem child in children)
{
Destroy(child.gameObject);
}
// Create all the objects
for (int i = 0; i < playerResources.Count; ++i)
{
PlayerResourceEntry entry = playerResources[i];
UIPlayerResourceItem display = Instantiate(referenceObject, collectionArea.transform, false);
display.DisplayObject = entry;
display.buttonPlus.onClick.AddListener(() => UpdateResouceEntry(entry, 1));
display.buttonMinus.onClick.AddListener(() => UpdateResouceEntry(entry, -1));
display.gameObject.SetActive(true);
}
}
// Callback function
void UpdateResouceEntry(PlayerResourceEntry entry, int changeAmount)
{
entry.value += changeAmount;
entry.OnValueChanged?.Invoke();
}