diff --git a/osu.Game/Rulesets/Objects/Pooling/HitObjectEntryManager.cs b/osu.Game/Rulesets/Objects/Pooling/HitObjectEntryManager.cs index f14f8b6f61..71c0a88616 100644 --- a/osu.Game/Rulesets/Objects/Pooling/HitObjectEntryManager.cs +++ b/osu.Game/Rulesets/Objects/Pooling/HitObjectEntryManager.cs @@ -19,13 +19,38 @@ namespace osu.Game.Rulesets.Objects.Pooling /// public IEnumerable AllEntries => entryMap.Values; + /// + /// Invoked when a new is added to this .. + /// The second parameter of the event is the parent hit object. + /// public event Action? OnEntryAdded; + + /// + /// Invoked when a is removed from this . + /// The second parameter of the event is the parent hit object. + /// public event Action? OnEntryRemoved; private readonly Func createLifetimeEntry; + /// + /// Provides the reverse mapping of for each entry. + /// private readonly Dictionary entryMap = new Dictionary(); + + /// + /// Stores the parent hit object for entries of the nested hit objects. + /// A null is stored for entries of the top-level hit objects. + /// + /// + /// The parent hit object of a pooled hit object may be non-pooled. + /// In that case, no corresponding is stored in this . + /// private readonly Dictionary parentMap = new Dictionary(); + + /// + /// Stores the list of entries managed by this for each hit object managed by this . + /// private readonly Dictionary> childrenMap = new Dictionary>(); public HitObjectEntryManager(Func createLifetimeEntry)