토너먼트 준비

2026-01-23 16:45:36 +00:00
parent 835886c7a9
commit 2d87cf881e
19 changed files with 744 additions and 4 deletions
@@ -0,0 +1,37 @@
+import { LiteHashDRBG } from './LiteHashDRBG.js';
+import { RandUtil } from './RandUtil.js';
+
+export interface TournamentRngContext {
+    openYear: number;
+    openMonth: number;
+    stage: number;
+    phase: number;
+    matchIndex: number;
+    participantIndex: number;
+    gameIndex?: number;
+    extraSeed?: string | number;
+}
+
+const buildTournamentSeedKey = (baseSeed: string, context: TournamentRngContext): string => {
+    const gameIndex = context.gameIndex !== undefined ? `|game:${context.gameIndex}` : '';
+    const extraSeed = context.extraSeed !== undefined ? `|extra:${context.extraSeed}` : '';
+    return [
+        'Tournament',
+        `open:${context.openYear}-${context.openMonth}`,
+        `stage:${context.stage}`,
+        `phase:${context.phase}`,
+        `match:${context.matchIndex}`,
+        `participant:${context.participantIndex}`,
+        gameIndex,
+        extraSeed,
+        `seed:${baseSeed}`,
+    ]
+        .filter((value) => value.length > 0)
+        .join('|');
+};
+
+export const createTournamentRng = (baseSeed: string, context: TournamentRngContext): RandUtil =>
+    new RandUtil(LiteHashDRBG.build(buildTournamentSeedKey(baseSeed, context)));
+
+export const createTournamentSeedKey = (baseSeed: string, context: TournamentRngContext): string =>
+    buildTournamentSeedKey(baseSeed, context);