76 lines
2.3 KiB
C#
76 lines
2.3 KiB
C#
// <copyright file="FeaturePlugInContainer.cs" company="MUnique">
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// Licensed under the MIT License. See LICENSE file in the project root for full license information.
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// </copyright>
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namespace MUnique.OpenMU.GameLogic;
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using System.Collections.Concurrent;
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using MUnique.OpenMU.PlugIns;
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/// <summary>
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/// A plugin container for <see cref="IFeaturePlugIn"/>s.
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/// </summary>
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public class FeaturePlugInContainer : PlugInContainerBase<IFeaturePlugIn>, ICustomPlugInContainer<IFeaturePlugIn>
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{
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private readonly ConcurrentDictionary<Type, IFeaturePlugIn> _currentlyEffectivePlugIns = new();
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/// <summary>
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/// Initializes a new instance of the <see cref="FeaturePlugInContainer"/> class.
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/// </summary>
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/// <param name="manager">The plugin manager which manages this instance.</param>
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public FeaturePlugInContainer(PlugInManager manager)
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: base(manager)
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{
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foreach (var plugIn in this.Manager.GetActivePlugInsOf<IFeaturePlugIn>())
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{
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if (!this._currentlyEffectivePlugIns.ContainsKey(plugIn.GetType()))
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{
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this.AddPlugIn(plugIn, true);
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}
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}
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}
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/// <inheritdoc />
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public T? GetPlugIn<T>()
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where T : class, IFeaturePlugIn
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{
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if (this._currentlyEffectivePlugIns.TryGetValue(typeof(T), out var plugIn) && plugIn is T t)
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{
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return t;
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}
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return default;
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}
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/// <inheritdoc />
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protected override void ActivatePlugIn(IFeaturePlugIn plugIn)
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{
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var plugInType = plugIn.GetType();
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if (this._currentlyEffectivePlugIns.ContainsKey(plugInType))
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{
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return;
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}
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base.ActivatePlugIn(plugIn);
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this._currentlyEffectivePlugIns.TryAdd(plugInType, plugIn);
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}
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/// <inheritdoc />
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protected override void DeactivatePlugIn(IFeaturePlugIn plugIn)
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{
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base.DeactivatePlugIn(plugIn);
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this._currentlyEffectivePlugIns.TryRemove(plugIn.GetType(), out _);
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}
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/// <inheritdoc/>
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protected override void BeforeActivatePlugInType(Type plugInType)
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{
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base.BeforeActivatePlugInType(plugInType);
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var knownPlugIn = this.FindKnownPlugin(plugInType);
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if (knownPlugIn is null)
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{
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this.AddPlugIn((IFeaturePlugIn)Activator.CreateInstance(plugInType)!, true);
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}
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}
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} |