fix deterministic authoritative RNG fallbacks

This commit is contained in:
2026-07-28 05:46:08 +00:00
parent 53ec5d543e
commit 43966ea1ef
11 changed files with 267 additions and 42 deletions
+25 -2
View File
@@ -1,6 +1,12 @@
import { createGamePostgresConnector, type InputJsonValue, type TurnEngineEventCreateManyInput } from '@sammo-ts/infra';
import { asRecord } from '@sammo-ts/common';
import { buildScenarioBootstrap, type GeneralMeta, type ScenarioBootstrapWarning, type WorldSeedPayload } from '@sammo-ts/logic';
import {
buildScenarioBootstrap,
resolveScenarioGeneralDeathMonth,
type GeneralMeta,
type ScenarioBootstrapWarning,
type WorldSeedPayload,
} from '@sammo-ts/logic';
import type { MapLoaderOptions } from './mapLoader.js';
import { loadMapDefinitionByName } from './mapLoader.js';
@@ -150,12 +156,12 @@ const resolveKillturnFromDeathYear = (
currentYear: number,
currentMonth: number,
deathYear: number,
deathMonth: number,
fallback: number
): number => {
if (!Number.isFinite(deathYear) || deathYear <= 0) {
return fallback;
}
const deathMonth = Math.floor(Math.random() * 12) + 1;
const diff = (deathYear - currentYear) * 12 + (deathMonth - currentMonth);
return Math.max(diff, 0);
};
@@ -442,15 +448,32 @@ export const seedScenarioToDatabase = async (options: ScenarioSeedOptions): Prom
delete meta.deadYear;
const fallbackKillturn =
typeof meta.killturn === 'number' && Number.isFinite(meta.killturn) ? meta.killturn : 0;
const deathMonth =
typeof meta.deathMonth === 'number' &&
Number.isInteger(meta.deathMonth) &&
meta.deathMonth >= 1 &&
meta.deathMonth <= 12
? meta.deathMonth
: resolveScenarioGeneralDeathMonth({
scenarioTitle: String(seed.scenarioMeta?.title ?? ''),
startYear: seed.scenarioMeta?.startYear ?? null,
contextLabel:
typeof meta.source === 'string' ? meta.source : 'general',
generalId: general.id,
generalName: general.name,
deathYear: general.deathYear,
});
const killturn = resolveKillturnFromDeathYear(
startState.currentYear,
startState.currentMonth,
general.deathYear,
deathMonth,
fallbackKillturn
);
return {
...meta,
killturn,
deathMonth,
npcType: general.npcType,
crewTypeId: general.crewTypeId,
} satisfies GeneralMeta;
@@ -27,17 +27,6 @@ const resolveServerId = (world: InMemoryTurnWorld): string | null => {
return typeof value === 'string' && value !== '' ? value : null;
};
const shuffleLegacy = <T>(values: T[]): T[] => {
const result = [...values];
// ref의 follower 병종 숙련 배열은 action DRBG가 아니라 PHP process-global
// shuffle()로 섞인다.
for (let index = result.length - 1; index > 0; index -= 1) {
const target = Math.floor(Math.random() * (index + 1));
[result[index], result[target]] = [result[target]!, result[index]!];
}
return result;
};
const createTurnTime = (rng: RandUtil, environment: MonthlyEventEnvironment, tickSeconds: number): Date => {
const turnMinutes = tickSeconds / 60;
if (!(turnMinutes > 0) || !Number.isInteger(turnMinutes)) {
@@ -235,6 +224,17 @@ export const createRaiseInvaderHandler = (options: {
simpleSerialize(resolveHiddenSeed(world), 'RaiseInvader', environment.year, environment.month)
)
);
const dexShuffleRng = new RandUtil(
new LiteHashDRBG(
simpleSerialize(
resolveHiddenSeed(world),
'RaiseInvader',
environment.year,
environment.month,
'martialDex'
)
)
);
for (const nation of world.listNations()) {
world.updateNation(nation.id, {
@@ -363,7 +363,7 @@ export const createRaiseInvaderHandler = (options: {
const mainStat = rng.nextRangeInt(toInteger(specAverage * 1.2), toInteger(specAverage * 1.4));
const subStat = specAverage * 3 - leadership - mainStat;
const isWarrior = rng.nextBit();
const martialDex = isWarrior ? shuffleLegacy([dex * 2, dex, dex]) : [dex, dex, dex];
const martialDex = isWarrior ? dexShuffleRng.shuffle([dex * 2, dex, dex]) : [dex, dex, dex];
createInvaderGeneral({
world,
reservedTurns: options.reservedTurns,
@@ -111,17 +111,6 @@ const calculateAverageCity = (rng: RandUtil, cities: City[]): CityValues => {
) as CityValues;
};
const shuffleLegacy = <T>(values: T[]): T[] => {
const result = [...values];
// ref Util::shuffle_assoc()도 action DRBG가 아닌 PHP의 process-global
// shuffle()을 사용한다.
for (let index = result.length - 1; index > 0; index -= 1) {
const target = Math.floor(Math.random() * (index + 1));
[result[index], result[target]] = [result[target]!, result[index]!];
}
return result;
};
const buildSpecialityAge = (retirementYear: number, age: number, relativeYear: number, divisor: number): number =>
Math.max(Math.round((retirementYear - age) / divisor - relativeYear / 2), 3) + age;
@@ -245,9 +234,20 @@ export const createRaiseNpcNationHandler = (options: {
simpleSerialize(resolveHiddenSeed(world), 'RaiseNPCNation', environment.year, environment.month)
)
);
const cityShuffleRng = new RandUtil(
new LiteHashDRBG(
simpleSerialize(
resolveHiddenSeed(world),
'RaiseNPCNation',
environment.year,
environment.month,
'emptyCities'
)
)
);
const averageCity = calculateAverageCity(rng, targetCities);
const occupiedCityIds = targetCities.filter((city) => city.nationId !== 0).map((city) => city.id);
const emptyCities = shuffleLegacy(targetCities.filter((city) => city.nationId === 0));
const emptyCities = cityShuffleRng.shuffle(targetCities.filter((city) => city.nationId === 0));
const activeNations = world.listNations().filter((nation) => nation.id !== 0 && nation.level > 0);
const generalCounts = activeNations.map(
(nation) => world.listGenerals().filter((general) => general.nationId === nation.id).length
@@ -57,14 +57,16 @@ const readPattern = (world: InMemoryTurnWorld, config: Record<string, unknown>):
);
};
const shuffledDefaultPattern = (): number[] => {
const pattern = [0, 0, 1, 2, 3];
for (let index = pattern.length - 1; index > 0; index -= 1) {
const swapIndex = Math.floor(Math.random() * (index + 1));
[pattern[index], pattern[swapIndex]] = [pattern[swapIndex]!, pattern[index]!];
}
return pattern;
};
const shuffledDefaultPattern = (
hiddenSeed: string | number,
previousYear: number,
previousMonth: number
): number[] =>
new RandUtil(
new LiteHashDRBG(
simpleSerialize(hiddenSeed, 'monthly', previousYear, previousMonth, 'tournamentPattern')
)
).shuffle([0, 0, 1, 2, 3]);
export const createTournamentAutoStartHandler = (options: {
profileName: string;
@@ -112,7 +114,10 @@ export const createTournamentAutoStartHandler = (options: {
}
const pattern = readPattern(world, config);
const resolvedPattern = pattern.length > 0 ? pattern : shuffledDefaultPattern();
const resolvedPattern =
pattern.length > 0
? pattern
: shuffledDefaultPattern(hiddenSeed, context.previousYear, context.previousMonth);
const type = resolvedPattern.pop() ?? 0;
world.updateWorldMeta({ tournamentPattern: resolvedPattern });
const now = options.now?.() ?? new Date();
@@ -1,4 +1,4 @@
import { describe, expect, it, vi } from 'vitest';
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import type { City, Nation } from '@sammo-ts/logic';
import { InMemoryTurnWorld } from '../src/turn/inMemoryWorld.js';
@@ -166,6 +166,16 @@ const buildHarness = (options?: {
};
describe('invader monthly actions', () => {
beforeEach(() => {
vi.spyOn(Math, 'random').mockImplementation(() => {
throw new Error('monthly invader actions must not use Math.random');
});
});
afterEach(() => {
vi.restoreAllMocks();
});
it('creates the invader nation, generals, diplomacy, follow-up events, and city state', async () => {
const harness = buildHarness();
const handler = createRaiseInvaderHandler({
@@ -1,4 +1,4 @@
import { describe, expect, it, vi } from 'vitest';
import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest';
import { PERSONALITY_TRAIT_KEYS, type City, type MapDefinition, type Nation } from '@sammo-ts/logic';
import { InMemoryTurnWorld } from '../src/turn/inMemoryWorld.js';
@@ -192,6 +192,16 @@ const buildHarness = (archivedNationMaxId = 0, hiddenSeed = 'raise-npc-nation-fi
};
describe('RaiseNPCNation monthly action', () => {
beforeEach(() => {
vi.spyOn(Math, 'random').mockImplementation(() => {
throw new Error('RaiseNPCNation must not use Math.random');
});
});
afterEach(() => {
vi.restoreAllMocks();
});
it('creates only distance-qualified NPC nations and initializes their ruler and turns', async () => {
const { world, reservedTurns, handler, environment } = buildHarness();
@@ -1,4 +1,4 @@
import { describe, expect, it } from 'vitest';
import { describe, expect, it, vi } from 'vitest';
import type { RedisConnector } from '@sammo-ts/infra';
import type { Nation } from '@sammo-ts/logic';
@@ -143,4 +143,86 @@ describe('monthly tournament auto start', () => {
expect(consumed).toEqual([false]);
expect(world.peekDirtyState().logs).toEqual([]);
});
it('derives an empty tournament pattern from the monthly seed without Math.random', async () => {
const run = async () => {
const state: TurnWorldState = {
id: 1,
currentYear: 193,
currentMonth: 1,
tickSeconds: 600,
lastTurnTime: new Date('0193-01-01T00:00:00.000Z'),
meta: { hiddenSeed: 'monthly-post-tail-2' },
};
const snapshot: TurnWorldSnapshot = {
scenarioConfig: {
stat: {
total: 300,
min: 10,
max: 100,
npcTotal: 150,
npcMax: 50,
npcMin: 10,
chiefMin: 70,
},
iconPath: '',
map: {},
const: {},
environment: { mapName: 'test', unitSet: 'default' },
},
map: { id: 'test', name: 'test', cities: [] },
diplomacy: [],
events: [],
initialEvents: [],
generals: [],
cities: [],
nations: [buildNation(1), buildNation(2)],
troops: [],
};
const values = new Map<string, string>();
const redis = {
get: async (key: string) => values.get(key) ?? null,
set: async (key: string, value: string) => {
values.set(key, value);
return 'OK';
},
} as unknown as RedisConnector['client'];
let world: InMemoryTurnWorld | null = null;
world = new InMemoryTurnWorld(state, snapshot, {
schedule: { entries: [{ startMinute: 0, tickMinutes: 10 }] },
calendarHandler: createTournamentAutoStartHandler({
profileName: 'test',
getWorld: () => world,
getRedisClient: () => redis,
getWorldConfig: () => ({ tournamentTrig: true }),
getNationPowerRollCount: () => 2,
now: () => new Date('2026-07-25T00:00:00.000Z'),
}),
});
await world.advanceMonth(new Date('0193-02-01T00:00:00.000Z'));
return {
tournamentState: JSON.parse(values.get('sammo:test:tournament:state') ?? '{}') as {
type?: number;
},
remainingPattern: world.getState().meta.tournamentPattern,
};
};
const random = vi.spyOn(Math, 'random').mockImplementation(() => {
throw new Error('tournament fallback must not use Math.random');
});
try {
const first = await run();
const second = await run();
expect(second).toEqual(first);
expect(first).toEqual({
tournamentState: expect.objectContaining({ type: 1 }),
remainingPattern: [2, 0, 0, 3],
});
} finally {
random.mockRestore();
}
});
});