Gabriel Kaszewski
9767941c65
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.
25 lines
847 B
C#
25 lines
847 B
C#
namespace Mr.BrickAdventures.Progression;
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/// <summary>
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/// Lives remaining in a Playthrough. Never negative.
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/// </summary>
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/// <remarks>
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/// Decrementing at zero floors rather than failing — unlike <see cref="Coins"/>, where a shortfall
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/// is a game rule the caller must handle. Flooring here is purely defensive; the invariant that one
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/// death costs exactly one life is enforced by the Attempt's outcome, not by this type.
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/// </remarks>
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public readonly struct Lives
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{
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public int Value { get; }
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private Lives(int value) => Value = value;
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public static Lives Of(int value) => value < 0
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? throw new ArgumentOutOfRangeException(nameof(value), value, "Lives cannot be negative.")
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: new Lives(value);
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public bool IsExhausted => Value == 0;
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public Lives Decrement() => new(Value == 0 ? 0 : Value - 1);
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}
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