35 lines
1.2 KiB
C#
35 lines
1.2 KiB
C#
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using Protocol;
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namespace GameServer.Systems.Entity.Component;
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internal class EntityComponentSystem
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{
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private readonly List<EntityComponentBase> _components;
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public EntityComponentSystem()
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{
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_components = [];
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}
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public TEntityComponent Create<TEntityComponent>() where TEntityComponent : EntityComponentBase, new()
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{
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if (_components.Any(component => component is TEntityComponent)) throw new InvalidOperationException($"Component of type {nameof(TEntityComponent)} already exists");
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TEntityComponent component = new();
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_components.Add(component);
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return component;
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}
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public TEntityComponent Get<TEntityComponent>() where TEntityComponent : EntityComponentBase
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{
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return (_components.Single(component => component is TEntityComponent) as TEntityComponent)!;
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}
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public bool TryGet<TEntityComponent>(out TEntityComponent? component) where TEntityComponent : EntityComponentBase
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{
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return (component = _components.SingleOrDefault(component => component is TEntityComponent) as TEntityComponent) != null;
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}
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public IEnumerable<EntityComponentPb> Pb => _components.Select(component => component.Pb);
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}
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