33 lines
852 B
C#
33 lines
852 B
C#
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namespace Theriapolis.Core.Rules.Stats;
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/// <summary>
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/// Standard d20 proficiency-bonus-by-level table:
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/// 1-4 → +2
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/// 5-8 → +3
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/// 9-12 → +4
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/// 13-16 → +5
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/// 17-20 → +6
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/// Phase 5 only ever evaluates level 1, but the full table ships so
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/// future leveling work doesn't have to revisit this file.
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/// </summary>
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public static class ProficiencyBonus
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{
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public const int MinLevel = 1;
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public const int MaxLevel = 20;
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public static int ForLevel(int level)
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{
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if (level < MinLevel || level > MaxLevel)
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throw new ArgumentOutOfRangeException(nameof(level), $"Level must be {MinLevel}..{MaxLevel}, got {level}");
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return level switch
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{
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>= 17 => 6,
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>= 13 => 5,
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>= 9 => 4,
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>= 5 => 3,
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_ => 2,
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};
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}
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}
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