/// <summary>
/// Gets the <see cref="InventoryChangeInfo"/>s for the changes that have been made.
/// </summary>
/// <returns>The <see cref="InventoryChangeInfo"/>s for the changes that have been made.</returns>
public IEnumerable <InventoryChangeInfo> GetChanges()
{
// Iterate through every slot
for (var i = 0; i < _buffer.Length; i++)
{
var invItem = _inventory[new InventorySlot(i)];
var tracker = _buffer[i];
// If the values are already equal, skip it
if (ItemValueTracker.AreValuesEqual(invItem, tracker))
{
continue;
}
// Yield return the changed item results
yield return(new InventoryChangeInfo(invItem, tracker, new InventorySlot(i)));
// Update the item with the new values, creating the tracker if needed
if (tracker == null)
{
_buffer[i] = new ItemValueTracker();
}
_buffer[i].SetValues(invItem);
}
}
public static bool AreValuesEqual(ItemEntity item, ItemValueTracker tracker)
{
// Treat a null ItemValueTracker just like if it was a tracker with IsNull set
if (tracker == null)
{
// If both are null, they are considered equal
return(item == null);
}
// Do a normal call to IsEqualTo since the tracker isn't null
return(tracker.IsEqualTo(item));
}
public static bool AreValuesEqual(ItemEntity item, ItemValueTracker tracker)
{
// Treat a null ItemValueTracker just like if it was a tracker with IsNull set
if (tracker == null)
{
// If both are null, they are considered equal
return item == null;
}
// Do a normal call to IsEqualTo since the tracker isn't null
return tracker.IsEqualTo(item);
}
public InventoryChangeInfo(ItemEntity item, ItemValueTracker oldValues, InventorySlot slot)
{
_slot = slot;
_item = item;
if (oldValues == null || oldValues.IsNull)
_oldValues = null;
else
_oldValues = oldValues;
Debug.Assert(_item != null || _oldValues != null,
"item and oldValues can not both be null. " + "This would imply that the item changed from null to null.");
}
public InventoryChangeInfo(ItemEntity item, ItemValueTracker oldValues, InventorySlot slot)
{
_slot = slot;
_item = item;
if (oldValues == null || oldValues.IsNull)
{
_oldValues = null;
}
else
{
_oldValues = oldValues;
}
Debug.Assert(_item != null || _oldValues != null,
"item and oldValues can not both be null. " + "This would imply that the item changed from null to null.");
}
/// <summary>
/// Gets the <see cref="InventoryChangeInfo"/>s for the changes that have been made.
/// </summary>
/// <returns>The <see cref="InventoryChangeInfo"/>s for the changes that have been made.</returns>
public IEnumerable<InventoryChangeInfo> GetChanges()
{
// Iterate through every slot
for (var i = 0; i < _buffer.Length; i++)
{
var invItem = _inventory[new InventorySlot(i)];
var tracker = _buffer[i];
// If the values are already equal, skip it
if (ItemValueTracker.AreValuesEqual(invItem, tracker))
continue;
// Yield return the changed item results
yield return new InventoryChangeInfo(invItem, tracker, new InventorySlot(i));
// Update the item with the new values, creating the tracker if needed
if (tracker == null)
_buffer[i] = new ItemValueTracker();
_buffer[i].SetValues(invItem);
}
}
