Lives (floors at zero, exhaustion observable), LevelId, SkillId, PlaythroughId (never self-generates, keeps tests deterministic), StatName enum, LevelTime rejects NaN/infinity. 14 tests. Arithmetic/comparison members deferred to the slices whose behaviour needs them rather than added speculatively.
26 lines
1.1 KiB
C#
26 lines
1.1 KiB
C#
namespace Mr.BrickAdventures.Progression;
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/// <summary>
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/// Identity of one Playthrough. Several Playthroughs exist at once and the player picks between
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/// them; "slot" is the word the UI uses for the same thing.
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/// </summary>
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/// <remarks>
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/// Deliberately has no factory that generates a value. Ids are created by an adapter and passed in,
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/// so nothing in the domain depends on a source of randomness.
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/// </remarks>
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public readonly struct PlaythroughId : IEquatable<PlaythroughId>
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{
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public Guid Value { get; }
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private PlaythroughId(Guid value) => Value = value;
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public static PlaythroughId Of(Guid value) => value == Guid.Empty
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? throw new ArgumentException("A playthrough id cannot be the empty guid.", nameof(value))
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: new PlaythroughId(value);
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public bool Equals(PlaythroughId other) => Value.Equals(other.Value);
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public override bool Equals(object? obj) => obj is PlaythroughId other && Equals(other);
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public override int GetHashCode() => Value.GetHashCode();
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public override string ToString() => Value.ToString();
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}
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