60 lines
1.6 KiB
C#
60 lines
1.6 KiB
C#
namespace MoonTools.ECS;
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public abstract class EntityComponentReader
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{
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internal EntityStorage EntityStorage;
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internal ComponentDepot ComponentDepot;
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protected FilterBuilder FilterBuilder => new FilterBuilder(ComponentDepot);
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internal void RegisterEntityStorage(EntityStorage entityStorage)
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{
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EntityStorage = entityStorage;
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}
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internal void RegisterComponentDepot(ComponentDepot componentDepot)
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{
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ComponentDepot = componentDepot;
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}
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// TODO: is this faster or slower than a single-component Filter?
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protected ReadOnlySpan<Entity> ReadEntities<TComponent>() where TComponent : struct
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{
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return ComponentDepot.ReadEntities<TComponent>();
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}
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protected ReadOnlySpan<TComponent> ReadComponents<TComponent>() where TComponent : struct
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{
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return ComponentDepot.ReadComponents<TComponent>();
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}
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protected bool Has<TComponent>(in Entity entity) where TComponent : struct
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{
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return ComponentDepot.Has<TComponent>(entity.ID);
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}
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protected bool Some<TComponent>() where TComponent : struct
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{
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return ComponentDepot.Some<TComponent>();
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}
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protected ref readonly TComponent Get<TComponent>(in Entity entity) where TComponent : struct
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{
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return ref ComponentDepot.Get<TComponent>(entity.ID);
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}
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protected ref readonly TComponent GetSingleton<TComponent>() where TComponent : struct
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{
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return ref ComponentDepot.Get<TComponent>();
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}
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protected ref readonly Entity GetEntity<TComponent>() where TComponent : struct
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{
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return ref ComponentDepot.GetEntity<TComponent>();
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}
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protected bool Exists(in Entity entity)
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{
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return EntityStorage.Exists(entity);
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}
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}
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