Gabriel Kaszewski
330e10880c
ProgressionService holds the loaded Profile, active Playthrough and active Attempt, so "exactly one active Attempt" has a testable home. EnterLevel always announces LevelStarted - the reason ghost recording and splits never worked on level 1 or after a Continue. Refuses unreachable levels. Does not touch campaign position, so a Replay leaves it alone. SkillCatalogue returns null for a skill with no authored upgrades, killing the Upgrades[0].Cost overrun. PurchaseSkill reads the current level from the ledger first, so one Attempt can unlock then upgrade. HandlePlayerDeath now persists - death was free if you quit. SkillLevel.First/Next driven out here by a real caller. 53 tests.
27 lines
1.0 KiB
C#
27 lines
1.0 KiB
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 : IEquatable<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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/// <summary>The level a Skill is at the moment it is first bought.</summary>
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public static readonly SkillLevel First = new(1);
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public SkillLevel Next() => new(Value + 1);
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public bool Equals(SkillLevel other) => Value == other.Value;
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public override bool Equals(object? obj) => obj is SkillLevel other && Equals(other);
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public override int GetHashCode() => Value;
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public override string ToString() => Value.ToString();
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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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