import { describe, expect, it } from 'vitest' import fs from 'node:fs' import path from 'node:path' import zlib from 'node:zlib' import { MISSILE_METAS, MOLTENBOULDER_META, MOLTENBOULDEREMERGE_META, FIRESTORMMAKER_META, ARCTICBLAST1_META, ARCTICBLAST2_META, TWISTER_META, TORNADO_META, VOLCANOBASE_META, VOLCANOFIRE_META, VOLCANOROCK_META, SHOCKWAVE_META, ARMAGEDDONROCK_META, ARMAGEDDONTAIL_META, HURRICANESWOOSH_META, HURRICANEROCK_META, HURRICANETREE_META, } from '../../../src/client/render/missiles-meta.ts' import { OVERLAY_METAS, DRUID_FIRE_CAST_1_OVERLAY_META, DRUID_FIRE_CAST_2_OVERLAY_META, DRUIDMORPH_OVERLAY_META, CYCLONEARMOR1FRONT_OVERLAY_META, CYCLONEARMOR1BACK_OVERLAY_META, CYCLONEARMOR2FRONT_OVERLAY_META, CYCLONEARMOR2BACK_OVERLAY_META, CYCLONEARMOR3FRONT_OVERLAY_META, CYCLONEARMOR3BACK_OVERLAY_META, RABIESPLAGUE_OVERLAY_META, MAUL1FRONT_OVERLAY_META, MAUL2FRONT_OVERLAY_META, MAUL3FRONT_OVERLAY_META, MAUL4FRONT_OVERLAY_META, MAUL5FRONT_OVERLAY_META, MAUL1BACK_OVERLAY_META, MAUL2BACK_OVERLAY_META, MAUL3BACK_OVERLAY_META, MAUL4BACK_OVERLAY_META, MAUL5BACK_OVERLAY_META, FERALRAGE1FRONT_OVERLAY_META, FERALRAGE2FRONT_OVERLAY_META, FERALRAGE3FRONT_OVERLAY_META, FERALRAGE4FRONT_OVERLAY_META, FERALRAGE5FRONT_OVERLAY_META, FERALRAGE1BACK_OVERLAY_META, FERALRAGE2BACK_OVERLAY_META, FERALRAGE3BACK_OVERLAY_META, FERALRAGE4BACK_OVERLAY_META, FERALRAGE5BACK_OVERLAY_META, DIREWOLFCHARGED_OVERLAY_META, } from '../../../src/client/render/overlays-meta.ts' import { BATCH1_SKILLS } from '../../../src/server/skills/skills.ts' function decodeRgbaPng(buf: Buffer) { const width = buf.readUInt32BE(16) const height = buf.readUInt32BE(20) const bitDepth = buf[24]! const colorType = buf[25]! const idatParts: Buffer[] = [] let offset = 8 while (offset < buf.length) { const len = buf.readUInt32BE(offset) const type = buf.subarray(offset + 4, offset + 8).toString('ascii') if (type === 'IDAT') { idatParts.push(buf.subarray(offset + 8, offset + 8 + len)) } offset += 12 + len } const idat = Buffer.concat(idatParts) const raw = zlib.inflateSync(idat) const bpp = 4 const rowBytes = width * bpp const pixels = new Uint8Array(width * height * 4) let srcAt = 0 let dstAt = 0 for (let y = 0; y < height; y++) { const filter = raw[srcAt++] const row = raw.subarray(srcAt, srcAt + rowBytes) srcAt += rowBytes const prevRow = y > 0 ? pixels.subarray((y - 1) * rowBytes, y * rowBytes) : null const curRow = pixels.subarray(dstAt, dstAt + rowBytes) for (let x = 0; x < rowBytes; x++) { const left = x >= bpp ? curRow[x - bpp]! : 0 const up = prevRow ? prevRow[x]! : 0 const upLeft = prevRow && x >= bpp ? prevRow[x - bpp]! : 0 let val = row[x]! if (filter === 0) { // None } else if (filter === 1) { val = (val + left) & 0xff } else if (filter === 2) { val = (val + up) & 0xff } else if (filter === 3) { val = (val + Math.floor((left + up) / 2)) & 0xff } else if (filter === 4) { const p = left + up - upLeft const pa = Math.abs(p - left) const pb = Math.abs(p - up) const pc = Math.abs(p - upLeft) let pr = upLeft if (pa <= pb && pa <= pc) pr = left else if (pb <= pc) pr = up val = (val + pr) & 0xff } curRow[x] = val } dstAt += rowBytes } return { width, height, bitDepth, colorType, pixels } } describe('Adversarial Stress Test: Druid Asset Pipeline & Invariants (Milestone M21)', () => { const publicMissilesDir = path.resolve(__dirname, '../../../public/missiles') const publicOverlaysDir = path.resolve(__dirname, '../../../public/overlays') const DRUID_MISSILES = [ { name: 'moltenboulder', celFile: 'expansion/MoltenBoulderRoll', meta: MOLTENBOULDER_META }, { name: 'moltenboulderemerge', celFile: 'expansion/MoltenBoulderEmerge', meta: MOLTENBOULDEREMERGE_META }, { name: 'firestormmaker', celFile: 'expansion/FirestormEmitter', meta: FIRESTORMMAKER_META }, { name: 'arcticblast1', celFile: 'expansion/ArcticBlastIce', meta: ARCTICBLAST1_META }, { name: 'arcticblast2', celFile: 'expansion/ArcticBlastIce_2', meta: ARCTICBLAST2_META }, { name: 'twister', celFile: 'expansion/twister', meta: TWISTER_META }, { name: 'tornado', celFile: 'expansion/tornado', meta: TORNADO_META }, { name: 'volcanobase', celFile: 'Expansion/volcano_base', meta: VOLCANOBASE_META }, { name: 'volcanofire', celFile: 'Expansion/volcano_Fire', meta: VOLCANOFIRE_META }, { name: 'volcanorock', celFile: 'expansion/volcano_rock', meta: VOLCANOROCK_META }, { name: 'shockwave', celFile: 'expansion/shockwave', meta: SHOCKWAVE_META }, { name: 'armageddonrock', celFile: 'expansion/armageddon_rock', meta: ARMAGEDDONROCK_META }, { name: 'armageddontail', celFile: 'expansion/armageddon_fire', meta: ARMAGEDDONTAIL_META }, { name: 'hurricaneswoosh', celFile: 'expansion/hurricane_swoosh', meta: HURRICANESWOOSH_META }, { name: 'hurricanerock', celFile: 'expansion/hurricane_rocks', meta: HURRICANEROCK_META }, { name: 'hurricanetree', celFile: 'expansion/hurricane_tree', meta: HURRICANETREE_META }, ] as const const DRUID_OVERLAYS = [ { name: 'druid_fire_cast_1', celFile: 'Expansion/Fire_Overlay_A', meta: DRUID_FIRE_CAST_1_OVERLAY_META }, { name: 'druid_fire_cast_2', celFile: 'Expansion/Fire_Overlay_B', meta: DRUID_FIRE_CAST_2_OVERLAY_META }, { name: 'druidmorph', celFile: 'expansion/druidmorph', meta: DRUIDMORPH_OVERLAY_META }, { name: 'cyclonearmor1front', celFile: 'Expansion/CycloneArmorAFront', meta: CYCLONEARMOR1FRONT_OVERLAY_META }, { name: 'cyclonearmor1back', celFile: 'Expansion/CycloneArmorABack', meta: CYCLONEARMOR1BACK_OVERLAY_META }, { name: 'cyclonearmor2front', celFile: 'Expansion/CycloneArmorBFront', meta: CYCLONEARMOR2FRONT_OVERLAY_META }, { name: 'cyclonearmor2back', celFile: 'Expansion/CycloneArmorBBack', meta: CYCLONEARMOR2BACK_OVERLAY_META }, { name: 'cyclonearmor3front', celFile: 'Expansion/CycloneArmorCFront', meta: CYCLONEARMOR3FRONT_OVERLAY_META }, { name: 'cyclonearmor3back', celFile: 'Expansion/CycloneArmorCBack', meta: CYCLONEARMOR3BACK_OVERLAY_META }, { name: 'rabiesplague', celFile: 'Expansion/rabies', meta: RABIESPLAGUE_OVERLAY_META }, { name: 'maul1front', celFile: 'expansion/Maul_A_Front', meta: MAUL1FRONT_OVERLAY_META }, { name: 'maul2front', celFile: 'expansion/Maul_B_Front', meta: MAUL2FRONT_OVERLAY_META }, { name: 'maul3front', celFile: 'expansion/Maul_C_Front', meta: MAUL3FRONT_OVERLAY_META }, { name: 'maul4front', celFile: 'expansion/Maul_D_Front', meta: MAUL4FRONT_OVERLAY_META }, { name: 'maul5front', celFile: 'expansion/Maul_E_Front', meta: MAUL5FRONT_OVERLAY_META }, { name: 'maul1back', celFile: 'expansion/Maul_A_Back', meta: MAUL1BACK_OVERLAY_META }, { name: 'maul2back', celFile: 'expansion/Maul_B_Back', meta: MAUL2BACK_OVERLAY_META }, { name: 'maul3back', celFile: 'expansion/Maul_C_Back', meta: MAUL3BACK_OVERLAY_META }, { name: 'maul4back', celFile: 'expansion/Maul_D_Back', meta: MAUL4BACK_OVERLAY_META }, { name: 'maul5back', celFile: 'expansion/Maul_E_Back', meta: MAUL5BACK_OVERLAY_META }, { name: 'feralrage1front', celFile: 'expansion/feral_rage_A_Front', meta: FERALRAGE1FRONT_OVERLAY_META }, { name: 'feralrage2front', celFile: 'expansion/feral_rage_B_Front', meta: FERALRAGE2FRONT_OVERLAY_META }, { name: 'feralrage3front', celFile: 'expansion/feral_rage_C_Front', meta: FERALRAGE3FRONT_OVERLAY_META }, { name: 'feralrage4front', celFile: 'expansion/feral_rage_D_Front', meta: FERALRAGE4FRONT_OVERLAY_META }, { name: 'feralrage5front', celFile: 'expansion/feral_rage_E_Front', meta: FERALRAGE5FRONT_OVERLAY_META }, { name: 'feralrage1back', celFile: 'expansion/feral_rage_A_Back', meta: FERALRAGE1BACK_OVERLAY_META }, { name: 'feralrage2back', celFile: 'expansion/feral_rage_B_Back', meta: FERALRAGE2BACK_OVERLAY_META }, { name: 'feralrage3back', celFile: 'expansion/feral_rage_C_Back', meta: FERALRAGE3BACK_OVERLAY_META }, { name: 'feralrage4back', celFile: 'expansion/feral_rage_D_Back', meta: FERALRAGE4BACK_OVERLAY_META }, { name: 'feralrage5back', celFile: 'expansion/feral_rage_E_Back', meta: FERALRAGE5BACK_OVERLAY_META }, { name: 'direwolfcharged', celFile: 'expansion/DireWolfCharged', meta: DIREWOLFCHARGED_OVERLAY_META }, ] as const it('A1: Stress audits frame coordinates within atlas boundaries for all 16 Druid missiles', () => { for (const m of DRUID_MISSILES) { const meta = m.meta expect(meta.width).toBeGreaterThan(0) expect(meta.height).toBeGreaterThan(0) expect(meta.directions).toBeGreaterThan(0) expect(meta.groups.length).toBe(meta.directions) for (let d = 0; d < meta.directions; d++) { const frames = meta.groups[d]! expect(frames.length).toBe(meta.framesPerDirection) for (let f = 0; f < frames.length; f++) { const [x, y, w, h, ax, ay] = frames[f]! expect(x).toBeGreaterThanOrEqual(0) expect(y).toBeGreaterThanOrEqual(0) expect(w).toBeGreaterThan(0) expect(h).toBeGreaterThan(0) expect(x + w).toBeLessThanOrEqual(meta.width) expect(y + h).toBeLessThanOrEqual(meta.height) expect(Number.isFinite(ax)).toBe(true) expect(Number.isFinite(ay)).toBe(true) } } } }) it('A2: Stress audits overlay frame bounding boxes and positive dimensional envelopes', () => { for (const o of DRUID_OVERLAYS) { const meta = o.meta expect(meta.width).toBeGreaterThan(0) expect(meta.height).toBeGreaterThan(0) expect(meta.frames).toBeGreaterThan(0) expect(meta.box).toBeDefined() expect(meta.box.width).toBeGreaterThan(0) expect(meta.box.height).toBeGreaterThan(0) for (const dirGroup of meta.groups) { for (const frame of dirGroup) { const [x, y, w, h] = frame expect(x).toBeGreaterThanOrEqual(0) expect(y).toBeGreaterThanOrEqual(0) expect(w).toBeGreaterThan(0) expect(h).toBeGreaterThan(0) expect(x + w).toBeLessThanOrEqual(meta.width) expect(y + h).toBeLessThanOrEqual(meta.height) } } } }) it('A3: Adversarial pixel audit - No black edge artifacts or rogue alpha channels on dark backgrounds for additive missiles & overlays', () => { const ADDITIVE_MISSILES = [ 'firestormmaker', 'arcticblast1', 'arcticblast2', 'twister', 'tornado', 'volcanofire', 'volcanorock', 'shockwave', 'armageddontail', 'hurricaneswoosh', ] for (const name of ADDITIVE_MISSILES) { const filePath = path.join(publicMissilesDir, `${name}.png`) const buf = fs.readFileSync(filePath) const { pixels } = decodeRgbaPng(buf) let blackOpaqueCount = 0 for (let i = 0; i < pixels.length; i += 4) { const r = pixels[i]! const g = pixels[i + 1]! const b = pixels[i + 2]! const a = pixels[i + 3]! // For additive missiles, semi-black/fringe (max(r,g,b) <= 4) MUST be transparent (a === 0) if (Math.max(r, g, b) <= 4 && a > 0) { blackOpaqueCount++ } } expect(blackOpaqueCount, `Missile ${name} has dark border fringe`).toBe(0) } for (const o of DRUID_OVERLAYS) { const filePath = path.join(publicOverlaysDir, `${o.name}.png`) const buf = fs.readFileSync(filePath) const { pixels } = decodeRgbaPng(buf) let blackOpaqueCount = 0 for (let i = 0; i < pixels.length; i += 4) { const r = pixels[i]! const g = pixels[i + 1]! const b = pixels[i + 2]! const a = pixels[i + 3]! if (Math.max(r, g, b) <= 4 && a > 0) { blackOpaqueCount++ } } expect(blackOpaqueCount, `Overlay ${o.name} has dark border fringe`).toBe(0) } }) it('A4: Parity Invariant - BATCH1_SKILLS length remains strictly 38', () => { expect(Object.keys(BATCH1_SKILLS).length).toBe(38) }) it('A5: Zero Runtime MPQ Invariant - No runtime MPQ / DLL dependencies needed for Druid rendering', () => { for (const m of DRUID_MISSILES) { expect(MISSILE_METAS[m.name]).toBeDefined() expect(MISSILE_METAS[m.name]!.groups.length).toBeGreaterThan(0) } for (const o of DRUID_OVERLAYS) { expect(OVERLAY_METAS[o.name]).toBeDefined() expect(OVERLAY_METAS[o.name]!.groups.length).toBeGreaterThan(0) } }) })