/// <summary>
/// Gets the slots that have changed.
/// </summary>
/// <param name="slotInfo">The data of the last scan.</param>
/// <param name="slotFlags">Flags for the slots to check.</param>
/// <returns>A List of slots that changed.</returns>
/// <remarks>
/// <para>The returned slots are slots that have been swapped, removed, or added to the game.</para>
/// <para>The data of the scan is saved in <paramref name="slotInfo"/>. It is compared to next time it is used with this method.
/// A new <see cref="SlotInfo"/> object will return every slot.</para>
/// </remarks>
/// <seealso cref="SlotInfo"/>
public List <int> GetUpdatedSlots(SlotInfo slotInfo, SlotFlags slotFlags = SlotFlags.All)
{
using (LockHandler.Passive)
{
object listLock = new object();
List <int> changedSlots = new List <int>();
var slots = GetSlots(slotFlags);
for (int slot = 0; slot < SlotCount; slot++)
//Parallel.For(0, SlotCount, (slot) =>
{
SlotIdentity slotIdentity = slots.Contains(slot) ? GetSlotIdentity(slot) : null;
bool changed = true;
// Slot emptied
if (slotIdentity == null && slotInfo.SlotIdentities[slot] != null)
{
slotInfo.SlotIdentities[slot].Dispose();
slotInfo.SlotIdentities[slot] = null;
}
// Slot joined
else if (slotIdentity != null && slotInfo.SlotIdentities[slot] == null)
{
slotInfo.SlotIdentities[slot] = slotIdentity;
}
// Slot swapped
else if (slotIdentity != null && slotInfo.SlotIdentities[slot] != null && !Identity.Compare(slotInfo.SlotIdentities[slot], slotIdentity))
{
slotInfo.SlotIdentities[slot].Dispose();
slotInfo.SlotIdentities[slot] = slotIdentity;
}
// Slot did not change
else
{
if (slotIdentity != null)
{
slotIdentity.Dispose();
}
changed = false;
}
if (changed)
{
lock (listLock)
changedSlots.Add(slot);
}
}
return(changedSlots);
}
}
public bool CompareIdentities(SlotIdentity other)
{
return(Identity.CompareIdentities(this, other));
}
