forked from Misaki/GhostEngine
27 lines
623 B
C#
27 lines
623 B
C#
namespace Ghost.Entities.Systems;
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/// <summary>
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/// Attribute to declare that a system depends on one or more other systems.
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/// </summary>
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[AttributeUsage(AttributeTargets.Struct | AttributeTargets.Class, AllowMultiple = false)]
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public class DependsOnAttribute : Attribute
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{
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public Type[] Prerequisites
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{
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get;
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}
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public DependsOnAttribute(params Type[] prerequisites)
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{
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Prerequisites = prerequisites;
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}
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}
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public interface ISystem
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{
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public void OnCreate(in SystemState state);
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public void OnUpdate(in SystemState state);
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public void OnDestroy(in SystemState state);
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} |