72 lines
2.8 KiB
C#
72 lines
2.8 KiB
C#
using System.Collections.Generic;
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namespace Engine.Core;
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public class UniverseEntranceManager : Behaviour
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{
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// We use Ascending order because we are using reverse for loop to call them
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private static Comparer<IBehaviour> SortByAscendingPriority() => Comparer<IBehaviour>.Create((x, y) => x.Priority.CompareTo(y.Priority));
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private readonly ActiveBehaviourCollectorSorted<IEnterUniverse> enterUniverses = new() { SortBy = SortByAscendingPriority() };
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private readonly ActiveBehaviourCollectorSorted<IExitUniverse> exitUniverses = new() { SortBy = SortByAscendingPriority() };
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private readonly List<IEnterUniverse> toCallEnterUniverses = new(32);
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private readonly List<IExitUniverse> toCallExitUniverses = new(32);
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protected override void OnEnteredUniverse(IUniverse universe)
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{
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enterUniverses.Assign(universe);
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foreach (IUniverseObject universeObject in Universe.UniverseObjects)
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OnUniverseObjectRegistered(Universe, new(universeObject));
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universe.OnUniverseObjectRegistered.AddListener(OnUniverseObjectRegistered);
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universe.OnUniverseObjectUnRegistered.AddListener(OnUniverseObjectUnRegistered);
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}
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protected override void OnExitedUniverse(IUniverse universe)
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{
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enterUniverses.Unassign();
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foreach (IUniverseObject universeObject in Universe.UniverseObjects)
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OnUniverseObjectUnRegistered(Universe, new(universeObject));
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universe.OnUniverseObjectRegistered.RemoveListener(OnUniverseObjectRegistered);
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universe.OnUniverseObjectUnRegistered.RemoveListener(OnUniverseObjectUnRegistered);
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}
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private void OnUniverseObjectUnRegistered(IUniverse sender, IUniverse.UniverseObjectUnRegisteredArguments args)
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{
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for (int i = toCallExitUniverses.Count - 1; i >= 0; i--)
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{
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toCallExitUniverses[i].ExitUniverse(Universe);
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toCallExitUniverses.RemoveAt(i);
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}
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}
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private void OnUniverseObjectRegistered(IUniverse sender, IUniverse.UniverseObjectRegisteredArguments args)
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{
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for (int i = toCallEnterUniverses.Count - 1; i >= 0; i--)
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{
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toCallEnterUniverses[i].EnterUniverse(Universe);
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toCallEnterUniverses.RemoveAt(i);
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}
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}
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private void OnEnterUniverseCollected(IBehaviourCollector<IEnterUniverse> sender, IBehaviourCollector<IEnterUniverse>.BehaviourCollectedArguments args)
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{
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toCallEnterUniverses.Add(args.BehaviourCollected);
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}
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private void OnExitUniverseCollected(IBehaviourCollector<IExitUniverse> sender, IBehaviourCollector<IExitUniverse>.BehaviourCollectedArguments args)
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{
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toCallExitUniverses.Add(args.BehaviourCollected);
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}
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public UniverseEntranceManager()
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{
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enterUniverses.OnCollected.AddListener(OnEnterUniverseCollected);
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exitUniverses.OnCollected.AddListener(OnExitUniverseCollected);
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}
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}
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