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using System;
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namespace GameCore.TinyECS
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{
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public readonly struct Entity<TEnum> : IEquatable<Entity<TEnum>> where TEnum : unmanaged
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{
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public readonly TEnum type;
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public readonly int index;
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public readonly int generation;
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public Entity(TEnum type, int index, int generation)
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{
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this.type = type;
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this.index = index;
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this.generation = generation;
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}
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public override string ToString() => $"Entity<{type}>({index},{generation})";
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public bool Equals(Entity<TEnum> other) => type.Equals(other.type) && index == other.index && generation == other.generation;
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public override bool Equals(object obj) => obj is Entity<TEnum> other && Equals(other);
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public override int GetHashCode() => HashCode.Combine(type, index, generation);
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public static bool operator ==(Entity<TEnum> lhs, Entity<TEnum> rhs) => lhs.Equals(rhs);
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public static bool operator !=(Entity<TEnum> lhs, Entity<TEnum> rhs) => !(lhs == rhs);
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}
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}
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