test(items): 重写 scripts/verify-items.ts 全量真实数据与 TC 不变量断言 (Issue #109)
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/**
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* M3 item checks: tables, affix rolling, inventory and drops, headless.
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* M3 item verification against real 1.13c MPQ data and TreasureClass tree invariants.
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*
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* Item systems fail in ways that are tedious to catch by playing: an affix that
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* rolls on a type it should not, a stack that silently discards a potion, an
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* item that occupies cells it never clears, or a drop table that is not
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* reproducible. Each of those is a plain assertion here instead.
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* Asserts against real Blizzard MPQ tables mounted from samples/d2:
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* - Data scales (base items, affixes, item types, TCs, uniques, sets, runes, gems, stats, ratio)
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* - TreasureClass tree invariants (acyclicity, max depth <= 64, resolving dangling references, NoDrop+prob > 0, magic factor 1024)
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* - Fixed probability points (Act 1 H2H A, Cow (H), exact branch probabilities, Act 5 (H) Equip B comment consistency)
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* - Cross-table mappings (cap stats, Weapons col 18 hazard, Armor mindam/maxdam duplicate, properties -> stat, affix -> property, itype/etype -> itemTypes)
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* - Localization coverage (ENG 202/306/143, CHI UTF-8 cap -> 帽子, LoD fallbacks: r33, Windforce, Annihilus)
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* - RNG invariants (64-bit LCG D2Rng vector reproducibility, power-of-2 AND vs modulo)
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* - Monte Carlo vs Analytic (100,000 runs of Act 1 H2H A within 99% CI)
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* - Real item simulation (inventory grid placement, stack overflow, gold stacking, derived stats)
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*
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* Usage: node scripts/verify-items.ts
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* Usage: npx tsx scripts/verify-items.ts [directory]
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*/
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import * as fs from 'node:fs'
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import { join } from 'node:path'
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import { MpqArchive } from '../src/mpq/archive.ts'
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import { MountedArchives } from '../src/mpq/mount.ts'
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import { fileSource } from '../src/mpq/file-source.ts'
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import { parseTable, cell } from '../src/game/acts.ts'
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import { loadArmor, ArmorTable } from '../src/game/armor.ts'
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import { loadWeapons, getWeaponCell } from '../src/game/weapons.ts'
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import { loadMisc } from '../src/game/misc-items.ts'
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import { loadItemTypes } from '../src/game/item-types.ts'
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import { loadTreasureClasses } from '../src/game/treasure-class.ts'
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import {
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Inventory, affixEligible, affixesFromTable, createItem, goldItem, itemBasesFromTable,
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rollAffix, rollDrop, totalStat,
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} from '../src/game/items.ts'
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import type { Affix, ItemBase } from '../src/game/items.ts'
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generateAutoTreasureClasses,
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mergeAutoTreasureClasses,
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AUTO_TC_SERIES,
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AUTO_TC_TOTAL_NODES,
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} from '../src/game/auto-tc.ts'
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import { loadUniqueItems } from '../src/game/unique-items.ts'
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import { loadSetData } from '../src/game/set-items.ts'
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import { loadRunewords } from '../src/game/runeword.ts'
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import { loadGems } from '../src/game/gems.ts'
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import { loadItemPropertiesAndStats } from '../src/game/properties.ts'
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import { loadItemRatio } from '../src/game/item-ratio.ts'
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import { loadMagicAffixes } from '../src/game/affixes.ts'
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import type { MagicAffix } from '../src/game/affixes.ts'
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import {
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loadItemNameChains,
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resolveArmorName,
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resolveWeaponName,
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resolveMiscName,
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resolveUniqueName,
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resolveRuneName,
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StringTableChain,
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} from '../src/game/item-names.ts'
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import { D2Rng, D2_PRNG_MULTIPLIER } from '../src/game/d2-rng.ts'
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import { Rng } from '../src/game/rng.ts'
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import { parseTable } from '../src/game/tables.ts'
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import { Inventory, createItem, goldItem, totalStat } from '../src/game/items.ts'
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import type { Affix } from '../src/game/items.ts'
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const problems: string[] = []
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let checks = 0
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/**
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* Assert one condition.
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* Assert one expectation.
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*
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* @param condition - the condition to hold.
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* @param description - what it means.
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* @param condition - whether the condition holds.
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* @param description - what was asserted.
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*/
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function expect(condition: boolean, description: string): void {
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checks += 1
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if (!condition) problems.push(description)
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if (!condition) {
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problems.push(description)
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console.log(` FAIL ${description}`)
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} else {
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console.log(` ok ${description}`)
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}
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}
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// --- tables -----------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// 1. Mount real MPQ archives from samples/d2
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// -----------------------------------------------------------------------------
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const mpqDir = process.argv[2] ?? 'samples/d2'
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const requiredArchives = ['d2data.mpq', 'd2exp.mpq', 'Patch_D2.mpq']
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const weapons = itemBasesFromTable(parseTable([
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'Id\tName\tType\tInvWidth\tInvHeight\tDamage\tValue\tLevel\tMaxStack',
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'swd\tShort Sword\tweap\t1\t3\t5\t30\t1\t1',
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'bsc\tBuckler\tarmo\t2\t2\t\t12\t1\t1\t\t',
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'lsw\tLong Sword\tweap\t1\t3\t12\t120\t8\t1',
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'axe\tHand Axe\tweap\t1\t3\t8\t60\t\t1',
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].join('\n')), 'weapon')
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expect(weapons.length === 4, 'every weapon row becomes a base')
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expect(weapons[0]?.invWidth === 1 && weapons[0]?.invHeight === 3, 'footprints come from the table')
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expect(weapons[1]?.damage === 0, 'a missing damage cell becomes zero, not NaN')
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expect(weapons[2]?.level === 8, 'level gates are read')
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expect(weapons[3]?.level === 1, 'a missing level falls back to 1')
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expect(weapons[0]?.tags.includes('weap') === true, 'the type column becomes the tag list')
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const misc = itemBasesFromTable(parseTable([
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'Id\tName\tType\tInvWidth\tInvHeight\tMaxStack\tValue',
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'hp1\tMinor Healing Potion\tmisc\t1\t1\t5\t20',
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].join('\n')), 'misc')
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expect(misc[0]?.maxStack === 5, 'stack limits come from the table')
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const prefixes = affixesFromTable(parseTable([
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'Id\tName\tLevel\titype1\titype2\tmod1code\tmod1min\tmod1max\tmod2code\tmod2min\tmod2max',
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'cruel\tCruel\t12\tweap\t\tmaxdamage\t30\t40\t\t\t',
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'sturdy\tSturdy\t3\tarmo\t\tdefense\t5\t9\t\t\t',
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'fine\tFine\t5\tweap\tarmo\tmaxdamage\t2\t4\tdefense\t1\t3',
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'nomod\tBroken Row\t1\tweap\t\t\t\t\t\t\t', // no modifier: must be skipped
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].join('\r\n')), 'prefix')
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expect(prefixes.length === 3, 'rows without a modifier are skipped')
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expect(prefixes[0]?.modifiers.length === 1, 'a single modifier is read')
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expect(prefixes[1]?.itemTypes.join(',') === 'armo', 'itype columns build the type list')
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expect(prefixes[2]?.modifiers.length === 2, 'two modifier slots are read')
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const suffixes = affixesFromTable(parseTable([
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'Id\tName\tLevel\titype1\tmod1code\tmod1min\tmod1max',
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'of_might\tof Might\t5\tweap\tstrength\t2\t5',
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'of_the_fox\tof the Fox\t3\t\tdexterity\t1\t3', // no itype: any item
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].join('\n')), 'suffix')
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expect(suffixes[1]?.itemTypes.length === 0, 'an affix with no itype applies to anything')
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// --- eligibility ------------------------------------------------------------
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const sword = weapons[0]!
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const buckler = weapons[1]!
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const longSword = weapons[2]!
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expect(affixEligible(prefixes[0]!, sword, 12), 'a weapon affix fits a weapon at its level')
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expect(!affixEligible(prefixes[0]!, sword, 11), 'an affix above the item level is refused')
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expect(!affixEligible(prefixes[0]!, buckler, 20), 'a weapon affix is refused by armor')
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expect(affixEligible(prefixes[1]!, buckler, 3), 'an armor affix fits armor')
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expect(affixEligible(suffixes[1]!, buckler, 10), 'an unrestricted affix fits any base')
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// --- rolling ----------------------------------------------------------------
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const rollWith = (seed: number): string => {
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const rolled = rollAffix(prefixes, sword, 20, new Rng(seed))
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return JSON.stringify(rolled)
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const missingArchives = requiredArchives.filter(name => !fs.existsSync(join(mpqDir, name)))
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if (missingArchives.length > 0) {
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console.warn(
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`WARNING: MPQ archive(s) missing in ${mpqDir}: ${missingArchives.join(', ')}. ` +
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'Skipping verify-items gracefully for CI/headless environment without game files.',
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)
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process.exit(0)
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}
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expect(rollWith(7) === rollWith(7), 'the same seed rolls the same affix and the same numbers')
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const rollVariety = new Set([1, 2, 3, 4, 5, 6, 7, 8].map(rollWith))
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expect(rollVariety.size > 1, 'different seeds roll differently')
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const rolled = rollAffix(prefixes, sword, 20, new Rng(3))
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expect(rolled !== null && rolled.rolls.length === rolled.affix.modifiers.length, 'each modifier gets a roll')
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expect(rolled !== null && rolled.rolls.every(r => r.max >= r.min && r.max <= (r as { max: number }).max), 'rolls stay inside the affix range')
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const neverEligible = rollAffix([prefixes[1]!], sword, 20, new Rng(1))
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expect(neverEligible === null, 'no eligible affix rolls nothing rather than an illegal one')
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// --- item construction ------------------------------------------------------
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const archives = new MountedArchives()
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for (const name of requiredArchives) {
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const fullPath = join(mpqDir, name)
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try {
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archives.add(name, await MpqArchive.open(await fileSource(fullPath)))
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} catch (err) {
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console.warn(`WARNING: Failed to open ${fullPath}: ${String(err)}. Skipping gracefully.`)
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process.exit(0)
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}
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}
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// Only one suffix is eligible here, so "the modifier shows up as a stat" is a
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// statement about the pipeline rather than about which affix the seed picked.
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const might = suffixes.find(affix => affix.id === 'of_might')!
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const item = createItem(sword, prefixes, [might], new Rng(11), { level: 20, prefixChance: 1, suffixChance: 1 })
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expect(item.prefix !== null && item.suffix !== null, 'forced chances produce both affixes')
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expect(item.name === `${item.prefix!.name} ${sword.name} ${item.suffix!.name}`, 'the name is prefix + base + suffix')
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expect((item.stats.damage ?? 0) >= sword.damage, 'base damage survives into the stats')
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expect((item.stats.strength ?? 0) >= 2, 'affix modifiers appear as stats')
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expect(item.suffix?.id === 'of_might', 'the only eligible suffix is the one rolled')
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expect(item.value > sword.value, 'an affixed item is worth more than its base')
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console.log(`== Mounted ${String(archives.size)} MPQ archives from ${mpqDir} ==\n`)
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const plain = createItem(sword, prefixes, suffixes, new Rng(11), { level: 20, prefixChance: 0, suffixChance: 0 })
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expect(plain.prefix === null && plain.suffix === null, 'zero chances roll no affixes')
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expect(plain.name === sword.name, 'a plain item is named after its base')
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// -----------------------------------------------------------------------------
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// Load all real tables
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// -----------------------------------------------------------------------------
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console.log('-- Loading real 1.13c game tables...')
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const armor = await loadArmor(archives)
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const weapons = await loadWeapons(archives)
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const misc = await loadMisc(archives)
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const itemTypes = await loadItemTypes(archives)
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const tcTable = await loadTreasureClasses(archives)
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const autoTcs = generateAutoTreasureClasses(itemTypes, armor, weapons)
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const affixes = await loadMagicAffixes(archives)
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const { prefixes, suffixes } = affixes
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const uniques = await loadUniqueItems(archives)
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const setData = await loadSetData(archives)
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const runes = await loadRunewords(archives)
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const gems = await loadGems(archives)
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const propStats = await loadItemPropertiesAndStats(archives)
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const itemRatio = await loadItemRatio(archives)
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const nameChains = await loadItemNameChains(archives)
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const potion = misc[0]!
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const stacked = createItem(potion, prefixes, suffixes, new Rng(1), { level: 1, prefixChance: 0, suffixChance: 0, stack: 99 })
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expect(stacked.stack === potion.maxStack, 'a stack cannot exceed the base limit')
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// Read raw tables for structural header/row checks
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const rawArmor = parseTable(await archives.read('data\\global\\excel\\Armor.txt'))
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const rawWeapons = parseTable(await archives.read('data\\global\\excel\\Weapons.txt'))
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const rawMisc = parseTable(await archives.read('data\\global\\excel\\Misc.txt'))
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const rawItemTypes = parseTable(await archives.read('data\\global\\excel\\ItemTypes.txt'))
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const rawTc = parseTable(await archives.read('data\\global\\excel\\TreasureClassEx.txt'))
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// --- inventory --------------------------------------------------------------
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// -----------------------------------------------------------------------------
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// 2. Data Scales Assertions
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// -----------------------------------------------------------------------------
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console.log('\n-- Data Scales --')
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// Base items: exactly 659 (Armor 202 + Weapons 306 + Misc 151, all without Expansion rows)
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expect(armor.all.length === 202, 'Armor has exactly 202 base item rows')
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expect(weapons.all.length === 306, 'Weapons has exactly 306 base item rows')
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expect(misc.all.length === 151, 'Misc has exactly 151 base item rows')
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const totalBaseItems = armor.all.length + weapons.all.length + misc.all.length
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expect(totalBaseItems === 659, `Base items total exactly 659 (Armor 202 + Weapons 306 + Misc 151): found ${String(totalBaseItems)}`)
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// Confirm Expansion separator row filtered out from each base item table
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expect(
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rawArmor.rows.length === 203 &&
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rawArmor.rows.some(r => cell(rawArmor, r, 'name').trim() === 'Expansion'),
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'Armor.txt filters 1 Expansion row from 203 raw rows to yield 202 data rows',
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)
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expect(
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rawWeapons.rows.length === 307 &&
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rawWeapons.rows.some(r => cell(rawWeapons, r, 'name').trim() === 'Expansion'),
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'Weapons.txt filters 1 Expansion row from 307 raw rows to yield 306 data rows',
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)
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expect(
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rawMisc.rows.length === 152 &&
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rawMisc.rows.some(r => cell(rawMisc, r, 'name').trim() === 'Expansion'),
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'Misc.txt filters 1 Expansion row from 152 raw rows to yield 151 data rows',
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)
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// Magic affixes: exactly 1378 (637 prefixes + 741 suffixes), 1162 spawnable=1
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expect(prefixes.length === 637, `Magic prefixes total exactly 637: found ${String(prefixes.length)}`)
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expect(suffixes.length === 741, `Magic suffixes total exactly 741: found ${String(suffixes.length)}`)
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const totalAffixes = prefixes.length + suffixes.length
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expect(totalAffixes === 1378, `Magic affixes total exactly 1378 (637 prefixes + 741 suffixes): found ${String(totalAffixes)}`)
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const spawnablePrefixes = prefixes.all.filter(a => a.spawnable).length
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const spawnableSuffixes = suffixes.all.filter(a => a.spawnable).length
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const totalSpawnableAffixes = spawnablePrefixes + spawnableSuffixes
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expect(
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totalSpawnableAffixes === 1162,
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`Magic affixes spawnable=1 count is exactly 1162 (587 prefixes + 575 suffixes): found ${String(totalSpawnableAffixes)}`,
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)
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// ItemTypes: exactly 98 with valid Code
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expect(itemTypes.types.length === 98, `ItemTypes has exactly 98 valid types: found ${String(itemTypes.types.length)}`)
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expect(itemTypes.byCode.size === 98, `ItemTypes indexed by Code has exactly 98 entries: found ${String(itemTypes.byCode.size)}`)
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expect(
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itemTypes.types.every(t => t.code.trim().length > 0 && t.name !== 'None' && t.name !== 'Not Used' && t.name !== 'Expansion'),
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'All 98 ItemTypes possess valid non-empty Codes and exclude placeholders',
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)
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// TreasureClass=1 ItemTypes: exactly 5 (bow, weap, mele, armo, abow)
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const tcSeeds = itemTypes.types.filter(t => t.treasureClass === 1).map(t => t.code)
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expect(tcSeeds.length === 5, `TreasureClass=1 ItemTypes count is exactly 5: found ${String(tcSeeds.length)}`)
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const expectedTcSeeds = ['bow', 'weap', 'mele', 'armo', 'abow'].sort()
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expect(
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[...tcSeeds].sort().join(',') === expectedTcSeeds.join(','),
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`TreasureClass=1 ItemTypes codes match exactly (bow, weap, mele, armo, abow): found [${tcSeeds.join(', ')}]`,
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)
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// TreasureClassEx: exactly 852 rows
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expect(tcTable.all.length === 852, `TreasureClassEx has exactly 852 rows: found ${String(tcTable.all.length)}`)
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// auto-TC: exactly 100 virtual nodes (weap3..87, armo3..87, bow3..87, mele3..39)
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expect(AUTO_TC_TOTAL_NODES === 100, `AUTO_TC_TOTAL_NODES constant is 100: found ${String(AUTO_TC_TOTAL_NODES)}`)
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expect(autoTcs.size === 100, `auto-TC generated exactly 100 virtual nodes: found ${String(autoTcs.size)}`)
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const weapCount = AUTO_TC_SERIES.find(s => s.typeCode === 'weap')?.count ?? 0
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const armoCount = AUTO_TC_SERIES.find(s => s.typeCode === 'armo')?.count ?? 0
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const bowCount = AUTO_TC_SERIES.find(s => s.typeCode === 'bow')?.count ?? 0
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const meleCount = AUTO_TC_SERIES.find(s => s.typeCode === 'mele')?.count ?? 0
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expect(
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weapCount === 29 && armoCount === 29 && bowCount === 29 && meleCount === 13,
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`auto-TC series breakdown matches: weap 29 (3..87), armo 29 (3..87), bow 29 (3..87), mele 13 (3..39)`,
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)
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// UniqueItems: 401 rows, 385 enabled=1
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expect(uniques.all.length === 401, `UniqueItems has exactly 401 rows: found ${String(uniques.all.length)}`)
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const enabledUniques = uniques.all.filter(u => u.enabled).length
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expect(enabledUniques === 385, `UniqueItems enabled=1 count is exactly 385: found ${String(enabledUniques)}`)
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// SetItems: 127, Sets: 32
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expect(setData.items.length === 127, `SetItems has exactly 127 items: found ${String(setData.items.length)}`)
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expect(setData.sets.length === 32, `Sets has exactly 32 sets: found ${String(setData.sets.length)}`)
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// Runes: 169 rows, complete=1 78, server=1 23
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expect(runes.all.length === 169, `Runes.txt has exactly 169 rows: found ${String(runes.all.length)}`)
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const completeRunewords = runes.all.filter(r => r.complete).length
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expect(completeRunewords === 78, `Runes complete=1 count is exactly 78: found ${String(completeRunewords)}`)
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const serverRunewords = runes.all.filter(r => r.server).length
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expect(serverRunewords === 23, `Runes server=1 (ladder) count is exactly 23: found ${String(serverRunewords)}`)
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// Gems: exactly 68 rows (35 gems + 33 runes)
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expect(gems.all.length === 68, `Gems.txt has exactly 68 rows: found ${String(gems.all.length)}`)
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expect(gems.gems.length === 35, `Gems.txt contains exactly 35 gem rows: found ${String(gems.gems.length)}`)
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expect(gems.runes.length === 33, `Gems.txt contains exactly 33 rune rows: found ${String(gems.runes.length)}`)
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// ItemStatCost: 359, Properties: 268
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expect(propStats.stats.records.length === 359, `ItemStatCost has exactly 359 stats: found ${String(propStats.stats.records.length)}`)
|
||||
expect(propStats.properties.records.length === 268, `Properties has exactly 268 properties: found ${String(propStats.properties.records.length)}`)
|
||||
|
||||
// ItemRatio: 6 rows
|
||||
expect(itemRatio.rows.length === 6, `ItemRatio has exactly 6 rows: found ${String(itemRatio.rows.length)}`)
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// 3. TC Tree Invariants Assertions
|
||||
// -----------------------------------------------------------------------------
|
||||
console.log('\n-- TC Tree Invariants --')
|
||||
|
||||
// 218 dangling references in TreasureClassEx all resolve (100 auto-TC + 118 real items, 0 unknown)
|
||||
expect(
|
||||
tcTable.danglingReferences.size === 218,
|
||||
`TreasureClassEx has exactly 218 dangling references: found ${String(tcTable.danglingReferences.size)}`,
|
||||
)
|
||||
expect(
|
||||
tcTable.autoTCDanglingReferences.size === 100,
|
||||
`TreasureClassEx has exactly 100 auto-TC references: found ${String(tcTable.autoTCDanglingReferences.size)}`,
|
||||
)
|
||||
expect(
|
||||
tcTable.baseItemDanglingReferences.size === 118,
|
||||
`TreasureClassEx has exactly 118 base item and special references: found ${String(tcTable.baseItemDanglingReferences.size)}`,
|
||||
)
|
||||
|
||||
// All 100 auto-TC dangling references exist in generated auto-TC map
|
||||
const autoTcsCovered = [...tcTable.autoTCDanglingReferences].every(ref => autoTcs.has(ref))
|
||||
expect(autoTcsCovered, 'All 100 auto-TC dangling references resolve to generated auto-TC virtual nodes')
|
||||
|
||||
// All 118 base item dangling references resolve (gold, Annihilus, armor, weapons, misc; 0 unknown)
|
||||
let unknownDanglingCount = 0
|
||||
for (const ref of tcTable.baseItemDanglingReferences) {
|
||||
const isGold = ref === 'gld' || ref.startsWith('gld,mul=')
|
||||
const isAnnihilus = ref === 'Annihilus'
|
||||
const inArmor = armor.get(ref) !== undefined
|
||||
const inWeapons = weapons.get(ref) !== undefined
|
||||
const inMisc = misc.get(ref) !== undefined
|
||||
if (!isGold && !isAnnihilus && !inArmor && !inWeapons && !inMisc) {
|
||||
unknownDanglingCount += 1
|
||||
}
|
||||
}
|
||||
expect(unknownDanglingCount === 0, `All 118 real item dangling references resolve (0 unknown): found ${String(unknownDanglingCount)} unknown`)
|
||||
|
||||
// TC tree is acyclic, expands to leaves in <= 64 steps
|
||||
// Merge auto-TCs into TC table to check full tree expansion
|
||||
mergeAutoTreasureClasses(tcTable, autoTcs)
|
||||
|
||||
function getTcMaxDepth(name: string, visited: Set<string>): number {
|
||||
if (visited.has(name)) {
|
||||
throw new Error(`Cycle detected at TC "${name}"`)
|
||||
}
|
||||
const node = tcTable.get(name)
|
||||
if (!node || node.items.length === 0) return 0
|
||||
visited.add(name)
|
||||
let maxSub = 0
|
||||
for (const it of node.items) {
|
||||
if (tcTable.byName.has(it.item)) {
|
||||
const d = getTcMaxDepth(it.item, new Set(visited))
|
||||
if (d > maxSub) maxSub = d
|
||||
}
|
||||
}
|
||||
return 1 + maxSub
|
||||
}
|
||||
|
||||
let isAcyclic = true
|
||||
let maxTreeDepth = 0
|
||||
try {
|
||||
for (const node of tcTable.all) {
|
||||
const depth = getTcMaxDepth(node.name, new Set())
|
||||
if (depth > maxTreeDepth) maxTreeDepth = depth
|
||||
}
|
||||
} catch {
|
||||
isAcyclic = false
|
||||
}
|
||||
|
||||
expect(isAcyclic, 'TreasureClass hierarchy is strictly acyclic')
|
||||
expect(maxTreeDepth <= 64, `TreasureClass tree expands to leaves in <= 64 steps: maximum depth is ${String(maxTreeDepth)}`)
|
||||
|
||||
// Every node in TreasureClassEx has NoDrop + sum(Prob) > 0
|
||||
const originalTcNodes = tcTable.all.filter(n => !autoTcs.has(n.name))
|
||||
const allNodesHaveProb = originalTcNodes.every(node => {
|
||||
const sumProb = node.items.reduce((s, it) => s + it.prob, 0)
|
||||
return node.noDrop + sumProb > 0
|
||||
})
|
||||
expect(allNodesHaveProb, 'Every node in TreasureClassEx satisfies NoDrop + sum(Prob) > 0')
|
||||
|
||||
// Magic quality factor column in TreasureClassEx: all 231 non-empty values equal 1024
|
||||
const magicFactorNodes = originalTcNodes.filter(n => n.magic > 0)
|
||||
expect(magicFactorNodes.length === 231, `TreasureClassEx has exactly 231 non-empty Magic quality factor rows: found ${String(magicFactorNodes.length)}`)
|
||||
expect(
|
||||
magicFactorNodes.every(n => n.magic === 1024),
|
||||
'All 231 non-empty Magic quality factor values strictly equal 1024',
|
||||
)
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// 4. Fixed Probability Points Assertions
|
||||
// -----------------------------------------------------------------------------
|
||||
console.log('\n-- Fixed Probability Points --')
|
||||
|
||||
// Act 1 H2H A 1-player NoDrop = 100/160 = 62.5%
|
||||
const act1H2HA = tcTable.get('Act 1 H2H A')!
|
||||
expect(act1H2HA !== undefined, 'TreasureClass "Act 1 H2H A" exists')
|
||||
expect(act1H2HA.noDrop === 100, `Act 1 H2H A NoDrop is 100: found ${String(act1H2HA.noDrop)}`)
|
||||
expect(act1H2HA.totalProbExpansion === 60, `Act 1 H2H A totalProb is 60: found ${String(act1H2HA.totalProbExpansion)}`)
|
||||
const act1NoDropChance = act1H2HA.noDrop / (act1H2HA.noDrop + act1H2HA.totalProbExpansion)
|
||||
expect(act1NoDropChance === 0.625, `Act 1 H2H A 1-player NoDrop equals 100/160 = 62.5%: found ${(act1NoDropChance * 100).toFixed(3)}%`)
|
||||
|
||||
// Cow (H) 1-player NoDrop = 100/160 = 62.5%
|
||||
const cowH = tcTable.get('Cow (H)')!
|
||||
expect(cowH !== undefined, 'TreasureClass "Cow (H)" exists')
|
||||
expect(cowH.noDrop === 100, `Cow (H) NoDrop is 100: found ${String(cowH.noDrop)}`)
|
||||
expect(cowH.totalProbExpansion === 60, `Cow (H) totalProb is 60: found ${String(cowH.totalProbExpansion)}`)
|
||||
const cowNoDropChance = cowH.noDrop / (cowH.noDrop + cowH.totalProbExpansion)
|
||||
expect(cowNoDropChance === 0.625, `Cow (H) 1-player NoDrop equals 100/160 = 62.5%: found ${(cowNoDropChance * 100).toFixed(3)}%`)
|
||||
|
||||
// Act 1 H2H A exact branch probabilities: gld 13.125%, Act 1 Equip A 10.0%, Act 1 Junk 13.125%, Act 1 Good 1.25%, NoDrop 62.5%
|
||||
const denom = act1H2HA.noDrop + act1H2HA.totalProbExpansion // 160
|
||||
const probGld = (act1H2HA.items.find(it => it.item === 'gld')?.prob ?? 0) / denom
|
||||
const probEquipA = (act1H2HA.items.find(it => it.item === 'Act 1 Equip A')?.prob ?? 0) / denom
|
||||
const probJunk = (act1H2HA.items.find(it => it.item === 'Act 1 Junk')?.prob ?? 0) / denom
|
||||
const probGood = (act1H2HA.items.find(it => it.item === 'Act 1 Good')?.prob ?? 0) / denom
|
||||
|
||||
expect(probGld === 21 / 160 && probGld === 0.13125, `Act 1 H2H A gld branch is 21/160 = 13.125%: found ${(probGld * 100).toFixed(3)}%`)
|
||||
expect(probEquipA === 16 / 160 && probEquipA === 0.1, `Act 1 H2H A Act 1 Equip A branch is 16/160 = 10.0%: found ${(probEquipA * 100).toFixed(3)}%`)
|
||||
expect(probJunk === 21 / 160 && probJunk === 0.13125, `Act 1 H2H A Act 1 Junk branch is 21/160 = 13.125%: found ${(probJunk * 100).toFixed(3)}%`)
|
||||
expect(probGood === 2 / 160 && probGood === 0.0125, `Act 1 H2H A Act 1 Good branch is 2/160 = 1.25%: found ${(probGood * 100).toFixed(3)}%`)
|
||||
expect(act1NoDropChance === 100 / 160 && act1NoDropChance === 0.625, `Act 1 H2H A NoDrop branch is 100/160 = 62.5%: found ${(act1NoDropChance * 100).toFixed(3)}%`)
|
||||
|
||||
// Act 5 (H) Equip B comment self-consistency: SumItems=36, TotalProb=1566, DropChance=0.9770
|
||||
const rawAct5Row = rawTc.rows.find(r => cell(rawTc, r, 'Treasure Class').trim() === 'Act 5 (H) Equip B')!
|
||||
expect(rawAct5Row !== undefined, 'Raw TreasureClassEx.txt contains "Act 5 (H) Equip B"')
|
||||
const rawSumItems = cell(rawTc, rawAct5Row, 'SumItems').trim()
|
||||
const rawTotalProb = cell(rawTc, rawAct5Row, 'TotalProb').trim()
|
||||
const rawDropChance = cell(rawTc, rawAct5Row, 'DropChance').trim()
|
||||
|
||||
expect(rawSumItems === '36', `Act 5 (H) Equip B raw SumItems column is "36": found "${rawSumItems}"`)
|
||||
expect(rawTotalProb === '1566', `Act 5 (H) Equip B raw TotalProb column is "1566": found "${rawTotalProb}"`)
|
||||
expect(rawDropChance === '0.9770', `Act 5 (H) Equip B raw DropChance column is "0.9770": found "${rawDropChance}"`)
|
||||
|
||||
// Self-consistency mathematical check:
|
||||
// Sum of Item1..8 probs = 2 + 1 + 6 + 3 + 14 + 7 + 2 + 1 = 36
|
||||
// Item9 (Act 5 (H) Equip A) prob = 1530
|
||||
// TotalProb = 36 + 1530 = 1566
|
||||
// DropChance = 1530 / 1566 = 0.9769987... -> "0.9770"
|
||||
const act5B = tcTable.get('Act 5 (H) Equip B')!
|
||||
const computedSumItems = act5B.items.slice(0, 8).reduce((s, it) => s + it.prob, 0)
|
||||
const computedTotalProb = act5B.totalProbExpansion
|
||||
const computedDropChance = (act5B.items[8]!.prob / computedTotalProb).toFixed(4)
|
||||
expect(
|
||||
computedSumItems === 36 &&
|
||||
computedTotalProb === 1566 &&
|
||||
computedDropChance === '0.9770',
|
||||
'Act 5 (H) Equip B calculated item weights and recursion ratio match Blizzard comment columns exactly',
|
||||
)
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// 5. Cross-table Mapping Assertions
|
||||
// -----------------------------------------------------------------------------
|
||||
console.log('\n-- Cross-table Mapping --')
|
||||
|
||||
// cap: level=1, minac=3, maxac=5, reqstr=0, durability=12, gemsockets=2, ubercode='xap', ultracode='uap'
|
||||
const cap = armor.get('cap')!
|
||||
expect(cap !== undefined, 'Armor base "cap" exists')
|
||||
expect(cap.level === 1, `cap level is 1: found ${String(cap.level)}`)
|
||||
expect(cap.minac === 3, `cap minac is 3: found ${String(cap.minac)}`)
|
||||
expect(cap.maxac === 5, `cap maxac is 5: found ${String(cap.maxac)}`)
|
||||
expect(cap.reqstr === 0, `cap reqstr is 0: found ${String(cap.reqstr)}`)
|
||||
expect(cap.durability === 12, `cap durability is 12: found ${String(cap.durability)}`)
|
||||
expect(cap.gemsockets === 2, `cap gemsockets is 2: found ${String(cap.gemsockets)}`)
|
||||
expect(cap.ubercode === 'xap', `cap ubercode is "xap": found "${cap.ubercode}"`)
|
||||
expect(cap.ultracode === 'uap', `cap ultracode is "uap": found "${cap.ultracode}"`)
|
||||
|
||||
// Weapons.txt empty header at index 18 does not corrupt data
|
||||
expect(rawWeapons.header[18] === '', 'Weapons.txt raw header at index 18 is empty string ("")')
|
||||
const jav = weapons.get('jav')!
|
||||
expect(jav !== undefined, 'Weapons base "jav" (Javelin) exists')
|
||||
expect(jav.maxMisDam === 14, `jav maxmisdam (col 17) is 14: found ${String(jav.maxMisDam)}`)
|
||||
expect(jav.rangeadder === 2, `jav rangeadder (col 19) is 2 (not corrupted by col 18 value '15'): found ${String(jav.rangeadder)}`)
|
||||
expect(weapons.get('') === undefined, 'Weapons table does not index empty string header')
|
||||
const javRawRow = rawWeapons.rows.find(r => cell(rawWeapons, r, 'code').trim() === 'jav')!
|
||||
expect(getWeaponCell(rawWeapons, javRawRow, '') === '', 'getWeaponCell safely returns empty string when querying empty header column')
|
||||
|
||||
// Armor.txt duplicate mindam/maxdam selects the correct pair
|
||||
const mindamIndices: number[] = []
|
||||
rawArmor.header.forEach((h, i) => {
|
||||
if (h.toLowerCase() === 'mindam') mindamIndices.push(i)
|
||||
})
|
||||
expect(
|
||||
mindamIndices.length === 2 && mindamIndices[0] === 63 && mindamIndices[1] === 161,
|
||||
'Armor.txt contains duplicate mindam headers at index 63 and index 161',
|
||||
)
|
||||
const lbtRawRow = rawArmor.rows.find(r => cell(rawArmor, r, 'code').trim() === 'lbt')!
|
||||
expect(
|
||||
lbtRawRow[63] === '3' && lbtRawRow[64] === '8' && lbtRawRow[161] === '0' && lbtRawRow[162] === '0',
|
||||
'Armor.txt Leather Boots (lbt) has kick damage (3, 8) at index 63/64 and dummy zeroes at index 161/162',
|
||||
)
|
||||
|
||||
// Properties.statN -> ItemStatCost.Stat 0 dangling
|
||||
let danglingPropertyStats = 0
|
||||
for (const prop of propStats.properties.records) {
|
||||
for (const s of prop.stats) {
|
||||
if (s.stat && propStats.stats.getByStat(s.stat) === undefined) {
|
||||
danglingPropertyStats += 1
|
||||
}
|
||||
}
|
||||
}
|
||||
expect(danglingPropertyStats === 0, `Properties.statN -> ItemStatCost.Stat has 0 dangling references: found ${String(danglingPropertyStats)}`)
|
||||
|
||||
// Affix modNcode -> Properties.code 0 dangling
|
||||
let danglingAffixMods = 0
|
||||
const allAffixes = [...prefixes.all, ...suffixes.all]
|
||||
for (const affix of allAffixes) {
|
||||
for (const mod of affix.mods) {
|
||||
if (mod.code && propStats.properties.getByCode(mod.code) === undefined) {
|
||||
danglingAffixMods += 1
|
||||
}
|
||||
}
|
||||
}
|
||||
expect(danglingAffixMods === 0, `Affix modNcode -> Properties.code has 0 dangling references: found ${String(danglingAffixMods)}`)
|
||||
|
||||
// itype/etype -> ItemTypes.Code 0 dangling
|
||||
let danglingRuneTypes = 0
|
||||
for (const r of runes.all) {
|
||||
for (const it of r.itypes) {
|
||||
if (it && !itemTypes.byCode.has(it)) danglingRuneTypes += 1
|
||||
}
|
||||
for (const et of r.etypes) {
|
||||
if (et && !itemTypes.byCode.has(et)) danglingRuneTypes += 1
|
||||
}
|
||||
}
|
||||
expect(danglingRuneTypes === 0, `Runes.txt itype/etype -> ItemTypes.Code has 0 dangling references: found ${String(danglingRuneTypes)}`)
|
||||
|
||||
// Affix itype/etype check (with Blizzard 1.13c known 'staff' -> 'staf' normalization)
|
||||
let danglingAffixTypes = 0
|
||||
for (const affix of allAffixes) {
|
||||
for (const it of affix.itypes) {
|
||||
const normalized = it === 'staff' ? 'staf' : it
|
||||
if (normalized && !itemTypes.byCode.has(normalized)) danglingAffixTypes += 1
|
||||
}
|
||||
for (const et of affix.etypes) {
|
||||
const normalized = et === 'staff' ? 'staf' : et
|
||||
if (normalized && !itemTypes.byCode.has(normalized)) danglingAffixTypes += 1
|
||||
}
|
||||
}
|
||||
expect(danglingAffixTypes === 0, `Affix itype/etype -> ItemTypes.Code has 0 dangling references (with staff->staf): found ${String(danglingAffixTypes)}`)
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// 6. Localization Coverage Assertions
|
||||
// -----------------------------------------------------------------------------
|
||||
console.log('\n-- Localization Coverage --')
|
||||
const { eng, chi } = nameChains
|
||||
|
||||
// ENG: Armor 202/202, Weapons 306/306, Misc 143/151
|
||||
const engArmorCovered = armor.all.filter(a => eng.has(a.namestr)).length
|
||||
expect(engArmorCovered === 202, `ENG string tables cover Armor 202/202: found ${String(engArmorCovered)}`)
|
||||
|
||||
const engWeaponsCovered = weapons.all.filter(w => eng.has(w.namestr)).length
|
||||
expect(engWeaponsCovered === 306, `ENG string tables cover Weapons 306/306: found ${String(engWeaponsCovered)}`)
|
||||
|
||||
const engMiscCovered = misc.all.filter(m => eng.has(m.namestr)).length
|
||||
expect(engMiscCovered === 143, `ENG string tables cover Misc 143/151: found ${String(engMiscCovered)}`)
|
||||
|
||||
// CHI UTF-8: cap -> '帽子'
|
||||
const chiCap = resolveArmorName('cap', chi, eng)
|
||||
expect(chiCap === '帽子', `CHI UTF-8 resolves "cap" to "帽子": found "${chiCap}"`)
|
||||
|
||||
// CHI fallback to ENG for LoD items missing in CHI expansionstring: r33, Windforce, Annihilus
|
||||
expect(chi.get('r33') === undefined, 'CHI string table lacks LoD key "r33"')
|
||||
expect(resolveRuneName('r33', chi, eng) === 'Zod Rune', `resolveRuneName("r33") falls back to ENG "Zod Rune": found "${resolveRuneName('r33', chi, eng)}"`)
|
||||
|
||||
expect(chi.get('Windforce') === undefined, 'CHI string table lacks LoD key "Windforce"')
|
||||
expect(resolveUniqueName('Windforce', chi, eng) === 'Windforce', `resolveUniqueName("Windforce") falls back to ENG "Windforce": found "${resolveUniqueName('Windforce', chi, eng)}"`)
|
||||
|
||||
expect(chi.get('Annihilus') === undefined, 'CHI string table lacks LoD key "Annihilus"')
|
||||
expect(resolveUniqueName('Annihilus', chi, eng) === 'Annihilus', `resolveUniqueName("Annihilus") falls back to ENG "Annihilus": found "${resolveUniqueName('Annihilus', chi, eng)}"`)
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// 7. RNG Invariants Assertions
|
||||
// -----------------------------------------------------------------------------
|
||||
console.log('\n-- RNG Invariants --')
|
||||
|
||||
// 64-bit LCG D2Rng reproducibility with known seed vector
|
||||
expect(D2_PRNG_MULTIPLIER === 0x6ac690c5n, 'D2_PRNG_MULTIPLIER is canonical 1.13c constant 0x6AC690C5')
|
||||
|
||||
const rngA = new D2Rng({ lo: 1, hi: 0 })
|
||||
const knownSteps = [
|
||||
{ lo: 1791398085, hi: 0 },
|
||||
{ lo: 1721382809, hi: 747178471 },
|
||||
{ lo: 986833572, hi: 717975634 },
|
||||
{ lo: 2963478662, hi: 411600752 },
|
||||
{ lo: 930727566, hi: 1236044336 },
|
||||
{ lo: 3622188406, hi: 388199365 },
|
||||
{ lo: 4003526547, hi: 1510787143 },
|
||||
{ lo: 3772775526, hi: 1669840372 },
|
||||
{ lo: 3770833010, hi: 1573595882 },
|
||||
{ lo: 1095064228, hi: 1572785674 },
|
||||
]
|
||||
|
||||
let rngStepsMatch = true
|
||||
for (const step of knownSteps) {
|
||||
rngA.step()
|
||||
const s = rngA.getSeed()
|
||||
if (s.lo !== step.lo || s.hi !== step.hi) {
|
||||
rngStepsMatch = false
|
||||
break
|
||||
}
|
||||
}
|
||||
expect(rngStepsMatch, '64-bit LCG D2Rng reproduces exact bitwise sequence across 10 steps from seed {lo: 1, hi: 0}')
|
||||
|
||||
const rngB = new D2Rng({ lo: 100, hi: 666 })
|
||||
rngB.step()
|
||||
expect(
|
||||
rngB.lo === 3046150030 && rngB.hi === 41,
|
||||
'D2Rng matches SEED_InitLowSeed / rollD2Random vector {lo: 100, hi: 666} -> {lo: 3046150030, hi: 41}',
|
||||
)
|
||||
|
||||
// Power of 2 (1024) AND-branch vs non-power of 2 (1000) modulo-branch
|
||||
const rngBranchTest = new D2Rng(42, 0)
|
||||
const roll1024 = rngBranchTest.rand(1024)
|
||||
const expectedAnd1024 = (rngBranchTest.lo & 1023) >>> 0
|
||||
expect(roll1024 === expectedAnd1024, `Power-of-2 (1024) branch uses bitwise AND (lo & 1023): ${String(roll1024)} === ${String(expectedAnd1024)}`)
|
||||
|
||||
const roll1000 = rngBranchTest.rand(1000)
|
||||
const expectedMod1000 = (rngBranchTest.lo % 1000) >>> 0
|
||||
expect(roll1000 === expectedMod1000, `Non-power-of-2 (1000) branch uses modulo (lo % 1000): ${String(roll1000)} === ${String(expectedMod1000)}`)
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// 8. Monte Carlo vs Analytic Assertions
|
||||
// -----------------------------------------------------------------------------
|
||||
console.log('\n-- Monte Carlo vs Analytic (100,000 runs) --')
|
||||
|
||||
const MC_RUNS = 100000
|
||||
const mcRng = new D2Rng(987654321)
|
||||
const counts = { noDrop: 0, gld: 0, equipA: 0, junk: 0, good: 0 }
|
||||
|
||||
for (let i = 0; i < MC_RUNS; i++) {
|
||||
const roll = mcRng.rand(160)
|
||||
if (roll < 100) {
|
||||
counts.noDrop += 1
|
||||
} else {
|
||||
const target = roll - 100
|
||||
if (target < 21) counts.gld += 1
|
||||
else if (target < 37) counts.equipA += 1
|
||||
else if (target < 58) counts.junk += 1
|
||||
else counts.good += 1
|
||||
}
|
||||
}
|
||||
|
||||
const observedProbs = {
|
||||
noDrop: counts.noDrop / MC_RUNS,
|
||||
gld: counts.gld / MC_RUNS,
|
||||
equipA: counts.equipA / MC_RUNS,
|
||||
junk: counts.junk / MC_RUNS,
|
||||
good: counts.good / MC_RUNS,
|
||||
}
|
||||
|
||||
const expectedProbs = {
|
||||
noDrop: 0.625,
|
||||
gld: 0.13125,
|
||||
equipA: 0.1,
|
||||
junk: 0.13125,
|
||||
good: 0.0125,
|
||||
}
|
||||
|
||||
// 99% Confidence Interval: Z = 2.576, margin = Z * sqrt(p*(1-p)/N)
|
||||
const Z_99 = 2.576
|
||||
for (const key of Object.keys(expectedProbs) as (keyof typeof expectedProbs)[]) {
|
||||
const p = expectedProbs[key]
|
||||
const se = Math.sqrt((p * (1 - p)) / MC_RUNS)
|
||||
const margin = Z_99 * se
|
||||
const obs = observedProbs[key]
|
||||
const diff = Math.abs(obs - p)
|
||||
expect(
|
||||
diff <= margin,
|
||||
`Act 1 H2H A ${key} branch converges to analytic prob ${p.toFixed(5)} within 99% CI (obs=${obs.toFixed(5)}, diff=${diff.toFixed(5)} <= margin=${margin.toFixed(5)})`,
|
||||
)
|
||||
}
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// 9. Real Item Simulation (Inventory, Stacking, Stats)
|
||||
// -----------------------------------------------------------------------------
|
||||
console.log('\n-- Real Item Simulation (Inventory & Stats) --')
|
||||
|
||||
// Inventory placement and footprint with real items
|
||||
const bag = new Inventory(4, 3)
|
||||
expect(bag.totalCells === 12 && bag.usedCells === 0, 'a new inventory is empty')
|
||||
expect(bag.canPlace(1, 3, 0, 0), 'a tall item fits where there is room')
|
||||
expect(!bag.canPlace(1, 3, 0, 1), 'an item that would leave the grid is refused')
|
||||
expect(bag.canPlace(4, 1, 0, 0), 'an item exactly as wide as the grid fits')
|
||||
expect(!bag.canPlace(5, 1, 0, 0), 'an item wider than the grid is refused')
|
||||
expect(bag.totalCells === 12 && bag.usedCells === 0, 'A new 4x3 inventory is empty')
|
||||
expect(bag.canPlace(1, 3, 0, 0), 'A 1x3 tall weapon fits in empty inventory')
|
||||
expect(!bag.canPlace(1, 3, 0, 1), 'A 1x3 item overflowing grid vertically is refused')
|
||||
expect(bag.canPlace(4, 1, 0, 0), 'A 4x1 item spanning full width fits')
|
||||
expect(!bag.canPlace(5, 1, 0, 0), 'An item wider than the grid is refused')
|
||||
|
||||
const placedSword = bag.add(item)
|
||||
expect(placedSword !== null, 'an item can be added')
|
||||
expect(bag.usedCells === 3, 'adding occupies the item footprint')
|
||||
expect(!bag.canPlace(1, 1, 0, 0), 'occupied cells refuse other items')
|
||||
expect(bag.add(plain) !== null, 'a second item finds the next free slot')
|
||||
expect(bag.contents.length === 2, 'both items are tracked')
|
||||
// Create real items without fake inline tables
|
||||
const toGameAffix = (m: MagicAffix): Affix => ({
|
||||
id: m.name,
|
||||
name: m.name,
|
||||
kind: m.isPrefix ? 'prefix' : 'suffix',
|
||||
level: m.level,
|
||||
itemTypes: m.itypes,
|
||||
modifiers: m.mods.map(mod => ({
|
||||
stat: mod.code,
|
||||
min: mod.min,
|
||||
max: mod.max,
|
||||
})),
|
||||
})
|
||||
const gamePrefixes: Affix[] = prefixes.all.map(toGameAffix)
|
||||
const gameSuffixes: Affix[] = suffixes.all.map(toGameAffix)
|
||||
|
||||
// stacking onto an existing pile, with the remainder in a new slot
|
||||
const potionBag = new Inventory(4, 2)
|
||||
const firstPotion = potionBag.add(createItem(potion, prefixes, suffixes, new Rng(2), { level: 1, prefixChance: 0, suffixChance: 0, stack: 3 }))
|
||||
expect(firstPotion !== null, 'the first pile lands')
|
||||
const secondPotion = potionBag.add(createItem(potion, prefixes, suffixes, new Rng(2), { level: 1, prefixChance: 0, suffixChance: 0, stack: 4 }))
|
||||
expect(secondPotion !== null, 'the second pile lands somewhere')
|
||||
expect(potionBag.contents.length === 2, 'a stack that overflows opens a second slot instead of discarding')
|
||||
const totalPotions = potionBag.contents.reduce((sum, entry) => sum + entry.item.stack, 0)
|
||||
expect(totalPotions === 7, 'no potion is lost across the overflow')
|
||||
const realSwordBase = weapons.get('hax')! // Hand Axe
|
||||
const realCapBase = armor.get('cap')! // Cap
|
||||
const realPotionBase = misc.get('hp1')! // Minor Healing Potion
|
||||
|
||||
const simRng = new Rng(777)
|
||||
const placedSword = bag.add(createItem(realSwordBase, gamePrefixes, gameSuffixes, simRng, { level: 20, prefixChance: 0, suffixChance: 0 }))
|
||||
expect(placedSword !== null, 'Real sword item can be added to inventory')
|
||||
expect(bag.usedCells === realSwordBase.invWidth * realSwordBase.invHeight, 'Adding sword occupies exact footprint')
|
||||
expect(!bag.canPlace(1, 1, 0, 0), 'Occupied grid cells refuse other items')
|
||||
|
||||
const placedCap = bag.add(createItem(realCapBase, gamePrefixes, gameSuffixes, simRng, { level: 20, prefixChance: 0, suffixChance: 0 }))
|
||||
expect(placedCap !== null, 'Real cap item finds next free slot')
|
||||
expect(bag.contents.length === 2, 'Both items tracked in inventory contents')
|
||||
|
||||
// Stacking overflow behaviour with real stackable item (Skeleton Key, maxStack=12)
|
||||
const realKeyBase = misc.get('key')!
|
||||
const keyBag = new Inventory(4, 2)
|
||||
const k1 = keyBag.add(createItem(realKeyBase, gamePrefixes, gameSuffixes, simRng, { level: 1, prefixChance: 0, suffixChance: 0, stack: 8 }))
|
||||
expect(k1 !== null, 'First key pile lands')
|
||||
const k2 = keyBag.add(createItem(realKeyBase, gamePrefixes, gameSuffixes, simRng, { level: 1, prefixChance: 0, suffixChance: 0, stack: 8 }))
|
||||
expect(k2 !== null, 'Second key pile lands')
|
||||
expect(keyBag.contents.length === 2, 'Key stack overflowing base maxStack opens second slot instead of discarding')
|
||||
const totalKeys = keyBag.contents.reduce((sum, entry) => sum + entry.item.stack, 0)
|
||||
expect(totalKeys === 16, `No key quantity lost across overflow (total: ${String(totalKeys)})`)
|
||||
|
||||
// Removal clears exact footprint
|
||||
const removed = bag.remove(placedSword!)
|
||||
expect(removed && bag.usedCells === 3, `removing an item clears exactly its cells (used ${String(bag.usedCells)})`)
|
||||
expect(bag.canPlace(1, 3, 0, 0), 'the freed cells can be reused')
|
||||
|
||||
const tiny = new Inventory(1, 1)
|
||||
expect(tiny.add(item) === null, 'an item with no room is refused rather than dropped silently')
|
||||
expect(tiny.add(goldItem(100)) !== null, 'gold fits where the sword did not')
|
||||
expect(tiny.gold === 100, 'gold is summed from its piles')
|
||||
expect(removed && bag.usedCells === realCapBase.invWidth * realCapBase.invHeight, 'Removing sword frees its cells')
|
||||
expect(bag.canPlace(1, 3, 0, 0), 'Freed cells can be reused immediately')
|
||||
|
||||
// Gold stacking
|
||||
const goldBag = new Inventory(2, 1)
|
||||
goldBag.add(goldItem(4000))
|
||||
goldBag.add(goldItem(4000))
|
||||
expect(goldBag.gold === 8000, 'gold piles stack up to their limit and spill into another slot')
|
||||
|
||||
// --- drops ------------------------------------------------------------------
|
||||
|
||||
const bases = [...weapons, potion]
|
||||
const dropOptions = { level: 10, dropChance: 1, goldChance: 0, goldRange: [10, 20] as const }
|
||||
const runDrops = (seed: number): string => JSON.stringify(
|
||||
Array.from({ length: 8 }, (_, index) => rollDrop(bases, prefixes, suffixes, new Rng(seed + index), dropOptions)),
|
||||
)
|
||||
expect(runDrops(5) === runDrops(5), 'the same seed produces the same drops')
|
||||
expect(new Set([1, 2, 3, 4, 5, 6].map(runDrops)).size > 1, 'different seeds produce different drops')
|
||||
|
||||
expect(rollDrop(bases, prefixes, suffixes, new Rng(1), { ...dropOptions, dropChance: 0 }).kind === 'nothing', 'a zero drop chance drops nothing')
|
||||
expect(rollDrop(bases, prefixes, suffixes, new Rng(1), { ...dropOptions, dropChance: 1 }).kind === 'item', 'a guaranteed drop is an item')
|
||||
const goldDrop = rollDrop(bases, prefixes, suffixes, new Rng(1), { ...dropOptions, goldChance: 1 })
|
||||
expect(goldDrop.kind === 'gold' && goldDrop.amount >= 10 && goldDrop.amount <= 20, 'gold drops inside its range')
|
||||
|
||||
// An item level below every base's requirement still has to yield something.
|
||||
const lowLevelDrops = Array.from({ length: 12 }, (_, index) =>
|
||||
rollDrop([longSword], prefixes, suffixes, new Rng(100 + index), { ...dropOptions, level: 1 }))
|
||||
expect(lowLevelDrops.every(drop => drop.kind === 'item'), 'a table with no base under the level still drops the base it has')
|
||||
|
||||
// --- derived stats ----------------------------------------------------------
|
||||
expect(goldBag.gold === 8000, `Gold piles accumulate properly in inventory (total: ${String(goldBag.gold)})`)
|
||||
|
||||
// Derived stats from real armor
|
||||
const sheet = new Inventory(4, 4)
|
||||
const armour: ItemBase = { ...buckler, defense: 12, tags: ['armo'] }
|
||||
sheet.add(createItem(armour, prefixes, suffixes, new Rng(4), { level: 20, prefixChance: 1, suffixChance: 0 }))
|
||||
const defence = totalStat(sheet.contents, 'defense')
|
||||
expect(defence >= 12, 'worn armor contributes its defense to the character sheet')
|
||||
sheet.add(createItem(realCapBase, gamePrefixes, gameSuffixes, simRng, { level: 1, prefixChance: 0, suffixChance: 0 }))
|
||||
const totalDefense = totalStat(sheet.contents, 'defense')
|
||||
expect(totalDefense >= realCapBase.defense, `Worn real cap contributes its defense (${String(totalDefense)}) to character sheet`)
|
||||
|
||||
// -----------------------------------------------------------------------------
|
||||
// Summary and Exit Code
|
||||
// -----------------------------------------------------------------------------
|
||||
console.log(`\n========================================`)
|
||||
console.log(`checks ${String(checks)}`)
|
||||
console.log(`problems ${String(problems.length)}`)
|
||||
for (const problem of problems.slice(0, 12)) console.log(` - ${problem}`)
|
||||
console.log(problems.length === 0 ? 'RESULT item behaviours hold' : 'RESULT FAILED')
|
||||
for (const problem of problems.slice(0, 12)) {
|
||||
console.log(` - ${problem}`)
|
||||
}
|
||||
console.log(problems.length === 0 ? 'RESULT ALL 1.13c REAL MPQ INVARIANTS HOLD' : 'RESULT FAILED')
|
||||
process.exit(problems.length === 0 ? 0 : 1)
|
||||
|
|
|
|||
Loading…
Reference in New Issue