64 lines
1.7 KiB
TypeScript
64 lines
1.7 KiB
TypeScript
export interface LevelBenchmark {
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level: number;
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xpToNextLevel: number;
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cumulativeXpRequired: number;
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referenceStrength: number;
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baseHp: number;
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baseMana: number;
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baselineDamageScale: number;
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}
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export const MAX_PLAYER_LEVEL = 20;
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function clampLevel(value: unknown) {
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if (typeof value !== 'number' || !Number.isFinite(value)) {
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return 1;
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}
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return Math.min(MAX_PLAYER_LEVEL, Math.max(1, Math.floor(value)));
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}
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function roundMetric(value: number, digits = 3) {
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return Number(value.toFixed(digits));
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}
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function computeXpToNextLevel(level: number) {
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const scale = Math.max(0, level - 1);
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return 60 + 20 * scale + 8 * scale * scale;
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}
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function buildLevelBenchmarks(maxLevel: number) {
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const benchmarks: LevelBenchmark[] = [];
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let cumulativeXpRequired = 0;
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for (let level = 1; level <= maxLevel; level += 1) {
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const scale = level - 1;
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const xpToNextLevel = level >= maxLevel ? 0 : computeXpToNextLevel(level);
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benchmarks.push({
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level,
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xpToNextLevel,
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cumulativeXpRequired,
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referenceStrength: 100 + 16 * scale + 6 * scale * scale,
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baseHp: 180 + 24 * scale + 10 * scale * scale,
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baseMana: 80 + 14 * scale + 6 * scale * scale,
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baselineDamageScale: roundMetric(1 + 0.12 * scale + 0.03 * scale * scale),
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});
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cumulativeXpRequired += xpToNextLevel;
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}
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return benchmarks;
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}
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const LEVEL_BENCHMARKS = buildLevelBenchmarks(MAX_PLAYER_LEVEL);
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const LEVEL_BENCHMARKS_BY_LEVEL = new Map(
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LEVEL_BENCHMARKS.map((benchmark) => [benchmark.level, benchmark]),
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);
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export function getLevelBenchmark(level: number) {
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return (
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LEVEL_BENCHMARKS_BY_LEVEL.get(clampLevel(level)) ?? LEVEL_BENCHMARKS[0]!
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);
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}
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