108 lines
3.9 KiB
TypeScript
108 lines
3.9 KiB
TypeScript
/**
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* Act II outdoor DRLG (#496): bit-exact parity of the TypeScript port (src/game/drlg) with the native
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* D2MOO oracle (tools/d2moo-oracle) across all Act II outdoor levels (41-46).
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*/
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import { existsSync } from 'node:fs'
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import { join, resolve } from 'node:path'
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import { beforeAll, describe, expect, it } from 'vitest'
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import { DrlgTraceWriter, dumpAct1 } from '../src/game/drlg/drlg-dump.ts'
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import { drlgLevelInputFromDump } from '../src/game/drlg/drlg-map.ts'
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import { createDrlgEnv } from '../src/game/drlg/drlg-source.ts'
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import { loadDrlgTables } from '../src/game/drlg/drlg-tables.ts'
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import { MpqArchive } from '../src/mpq/archive.ts'
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import { fileSource } from '../src/mpq/file-source.ts'
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import { MountedArchives } from '../src/mpq/mount.ts'
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import { loadDrlgMpqData, type DrlgMpqData } from '../scripts/lib/drlg-mpq-source.ts'
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import {
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firstDiff,
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firstTraceDivergence,
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formatDiff,
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fsDrlgSource,
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ORACLE_BIN,
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ORACLE_DATA,
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runOracle,
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} from '../scripts/lib/drlg-oracle.ts'
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const ACT2_OUTDOOR_LEVELS = [41, 42, 43, 44, 45, 46]
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const SEEDS = [0x12345678, 0x5eed0200, 0x5eed0201, 0x5eed0202]
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const ARCHIVE_DIR = resolve(import.meta.dirname, '../samples/d2')
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const MOUNTS = ['d2char.mpq', 'd2data.mpq', 'd2exp.mpq', 'Patch_D2.mpq'] as const
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function hexSeed(seed: number): string {
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return seed.toString(16).padStart(8, '0')
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}
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describe('Act II outdoor DRLG 1:1 parity against native D2MOO oracle', () => {
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let data: DrlgMpqData
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beforeAll(async () => {
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const missing = MOUNTS.filter(name => !existsSync(join(ARCHIVE_DIR, name)))
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if (missing.length > 0) {
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throw new Error(`the DRLG parity suite needs the 1.13c archives in ${ARCHIVE_DIR}; missing ${missing.join(', ')}`)
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}
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const archives = new MountedArchives()
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for (const name of MOUNTS) archives.add(name, await MpqArchive.open(await fileSource(join(ARCHIVE_DIR, name))))
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data = await loadDrlgMpqData(member => archives.read(member), 2)
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}, 120_000)
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for (const seed of SEEDS) {
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const hex = hexSeed(seed)
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it.skipIf(!existsSync(ORACLE_BIN))(
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`seed 0x${hex}: MPQ-fed port reproduces every native oracle stage and RNG trace`,
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() => {
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const oracleRun = runOracle({
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seed,
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levels: ACT2_OUTDOOR_LEVELS,
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difficulty: 0,
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isolated: false,
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dataDir: ORACLE_DATA,
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trace: true,
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})
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delete oracleRun.doc.oracle
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const trace = new DrlgTraceWriter()
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const actual = dumpAct1(createDrlgEnv(data.source, data.tables), seed, ACT2_OUTDOOR_LEVELS, {
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difficulty: 0,
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isolated: false,
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trace,
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})
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const diff = firstDiff(oracleRun.doc, actual, '$')
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if (diff) throw new Error(`Mismatch on seed 0x${hex}: ${formatDiff(diff)}`)
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const traceDiff = firstTraceDivergence(oracleRun.trace ?? [], trace.lines)
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expect(traceDiff).toBeNull()
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for (const levelId of ACT2_OUTDOOR_LEVELS) {
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const input = drlgLevelInputFromDump(actual, levelId, data.tables)
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expect(input.tiles.length).toBeGreaterThan(0)
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}
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},
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60_000,
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)
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}
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it.skipIf(!existsSync(ORACLE_BIN))('matches live native oracle in --isolated mode on seed 0x12345678', () => {
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const seed = 0x12345678
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const oracleRun = runOracle({
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seed,
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levels: ACT2_OUTDOOR_LEVELS,
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difficulty: 0,
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isolated: true,
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dataDir: ORACLE_DATA,
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trace: true,
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})
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delete oracleRun.doc.oracle
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const source = fsDrlgSource(ORACLE_DATA)
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const trace = new DrlgTraceWriter()
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const actual = dumpAct1(createDrlgEnv(source, loadDrlgTables(source)), seed, ACT2_OUTDOOR_LEVELS, {
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difficulty: 0,
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isolated: true,
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trace,
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})
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const diff = firstDiff(oracleRun.doc, actual, '$')
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if (diff) throw new Error(`Isolated dump mismatch: ${formatDiff(diff)}`)
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const traceDiff = firstTraceDivergence(oracleRun.trace ?? [], trace.lines)
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expect(traceDiff).toBeNull()
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}, 60_000)
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})
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