Christopher Wiebe
b451f83174
Captures the pre-Godot-port state of the codebase. This is the rollback anchor for the Godot port (M0 of theriapolis-rpg-implementation-plan-godot-port.md). All Phase 0 through Phase 6.5 work is included; Phase 7 is in flight. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
53 lines
1.4 KiB
C#
53 lines
1.4 KiB
C#
namespace Theriapolis.Core.Rules.Stats;
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/// <summary>
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/// Standard d20 XP-to-level table. Phase 5 awards XP and persists it but
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/// does not act on level-up — <see cref="LevelForXp"/> is exposed for the
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/// HUD to display "next level in N XP" without requiring a level-up
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/// flow yet.
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/// </summary>
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public static class XpTable
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{
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/// <summary>XP threshold for each level 1..20. <c>Threshold[1] = 0</c> by convention.</summary>
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public static readonly int[] Threshold = new[]
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{
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0, // index 0 unused
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0, // level 1
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300, // level 2
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900,
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2_700,
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6_500,
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14_000,
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23_000,
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34_000,
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48_000,
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64_000,
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85_000,
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100_000,
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120_000,
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140_000,
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165_000,
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195_000,
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225_000,
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265_000,
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305_000,
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355_000, // level 20
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};
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public static int LevelForXp(int xp)
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{
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if (xp < 0) throw new ArgumentOutOfRangeException(nameof(xp));
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for (int lv = 20; lv >= 1; lv--)
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if (xp >= Threshold[lv]) return lv;
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return 1;
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}
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public static int XpRequiredForNextLevel(int currentLevel)
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{
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if (currentLevel < 1 || currentLevel > 20)
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throw new ArgumentOutOfRangeException(nameof(currentLevel));
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if (currentLevel == 20) return int.MaxValue;
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return Threshold[currentLevel + 1];
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}
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}
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