Gabriel Kaszewski
313a5315b1
three bug-encoding invariants, one red/green cycle each: - Coins.TrySubtract fails instead of clamping - LevelTime rejects zero (continued-run zero best-times) - SkillLevel has no zero (unowned is absence, not Level=1) plan: drop signed NetCoins; add Attempt outcome as idempotency guard
17 lines
600 B
C#
17 lines
600 B
C#
namespace Mr.BrickAdventures.Progression;
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/// <summary>
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/// How far a Skill has been upgraded. Starts at one; there is no zero, because a Playthrough
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/// records only the Skills it owns and absence from that record is what "unowned" means.
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/// </summary>
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public readonly struct SkillLevel
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{
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public int Value { get; }
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private SkillLevel(int value) => Value = value;
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public static SkillLevel Of(int value) => value < 1
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? throw new ArgumentOutOfRangeException(nameof(value), value, "A skill level starts at 1; unowned is absence, not level 0.")
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: new SkillLevel(value);
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}
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