diablo2-web/tests/skills/sor/skill-056-meteor.test.ts

653 lines
24 KiB
TypeScript

/**
* 1.13c Numerical & Runtime Verification Suite — Skill #056: Meteor (SOR)
* Gitea Tracking Issue: #210 & #401
*
* 7-Dimensional Verification Scope:
* Dimension 1: Static data table parsing (Skills.txt row 56, Missiles.txt IDs 100, 101, 102, 103, 240).
* Dimension 2: Visual assets & atlas metadata on disk (PNG/JSON exist with non-zero size).
* Dimension 3: Harmless emitter countdown (60 ticks / 2.40s) without premature contact damage.
* Dimension 4: Primary detonation damage scaling & synergies (5-band formula: 80-100 base).
* Dimension 5: Detonation AOE 120px with 2:1 isometric ground ratio (ISO_GROUND_ASPECT_RATIO = 0.5).
* Dimension 6: 18-offset ground fire geometry and duration scaling (30 + (slvl - 1) * 15 ticks).
* Dimension 7: Residual ground fire periodic burn damage with NextDelay = 0.
*/
import { describe, expect, it, vi } from 'vitest'
import fs from 'node:fs'
import path from 'node:path'
import { getSharedDataRegistry } from '../../../src/game/engine/data-registry.ts'
import { UnitStatList } from '../../../src/game/engine/stat-list.ts'
import { WorldArena } from '../../../src/game/engine/world-arena.ts'
import { skillModule } from '../../../src/game/skills/impl/sor/skill-056-meteor.ts'
import {
parseMissilesTxt,
getMissileTxtData,
CANONICAL_113C_MISSILES,
tickProjectiles,
ISO_GROUND_ASPECT_RATIO,
calculateMeteorDamage,
calculateMeteorSynergyMultiplier,
calculateMeteorResidualFireDamage,
calculateMeteorDetailedDamage,
calculateSkillDamage,
getSkillManaCost,
getSkillCooldownTicks,
METEOR_FIRE_SUBTILE_OFFSETS,
type Projectile,
} from '../../../src/game/skills.ts'
import {
METEOR_META,
METEORTAIL_META,
METEORCENTER_META,
METEOREXPLODE_META,
METEORFIRE_META,
MISSILE_METAS,
} from '../../../src/render/missiles-meta.ts'
import { drawMissileProjectile, type LoadedMissileArt } from '../../../src/scene/act-scene.ts'
import type { SpriteRenderer, AtlasHandle } from '../../../src/render/renderer.ts'
describe('[Skill #056] Meteor (SOR) — 1.13c Parity (Issue #210 & #401)', () => {
it('evaluates exact 1.13c Skills.txt / Missiles.txt formulas at slvl 1, 10, and 20', async () => {
const registry = await getSharedDataRegistry()
const skillRec = registry.getSkillById(56)!
expect(skillRec).toBeDefined()
expect(skillModule.skillId).toBe(56)
expect(skillModule.name).toBe("Meteor")
expect(skillModule.charClass).toBe("sor")
const stats1 = new UnitStatList()
stats1.setBaseSkillLevel(56, 1)
const r1 = skillModule.evaluate!({ registry, skill: skillRec, slvl: 1, blvl: 1, statList: stats1 })
expect(r1.manaCost).toBe(17)
expect(r1.manaCost256).toBe(4352)
expect(r1.minPhysDmg).toBe(0)
expect(r1.maxPhysDmg).toBe(0)
expect(r1.minElemDmg256).toBe(20480)
expect(r1.maxElemDmg256).toBe(25600)
const stats10 = new UnitStatList()
stats10.setBaseSkillLevel(56, 10)
const r10 = skillModule.evaluate!({ registry, skill: skillRec, slvl: 10, blvl: 10, statList: stats10 })
expect(r10.manaCost).toBe(21)
expect(r10.manaCost256).toBe(5504)
expect(r10.minPhysDmg).toBe(0)
expect(r10.maxPhysDmg).toBe(0)
expect(r10.minElemDmg256).toBe(81664)
expect(r10.maxElemDmg256).toBe(91392)
const stats20 = new UnitStatList()
stats20.setBaseSkillLevel(56, 20)
const r20 = skillModule.evaluate!({ registry, skill: skillRec, slvl: 20, blvl: 20, statList: stats20 })
expect(r20.manaCost).toBe(26)
expect(r20.manaCost256).toBe(6784)
expect(r20.minPhysDmg).toBe(0)
expect(r20.maxPhysDmg).toBe(0)
expect(r20.minElemDmg256).toBe(222464)
expect(r20.maxElemDmg256).toBe(237312)
expect(r20.durationFrames).toBe(0)
expect(r20.radiusSubtiles).toBe(6)
expect(r20.petMax).toBe(0)
expect(r20.cooldownFrames).toBe(30)
})
it('enforces 1.13c blvl synergy rule (hard points boost synergy; +skills and item charges do NOT)', async () => {
const registry = await getSharedDataRegistry()
const skillRec = registry.getSkillById(56)!
const synId = 36
const statsBase = new UnitStatList()
statsBase.setBaseSkillLevel(56, 20)
if (synId !== null) {
statsBase.setBaseSkillLevel(synId, 20)
}
const withHardPoints = skillModule.evaluate!({
registry,
skill: skillRec,
slvl: 20,
blvl: 20,
statList: statsBase,
})
expect(withHardPoints.synergyBonusPct).toBe(100)
// +20 allskills and +33 Marrowwalk charges without hard points must yield 0 synergy
const statsSoftOnly = new UnitStatList()
statsSoftOnly.setBaseSkillLevel(56, 20)
statsSoftOnly.addStat('item_allskills', 20)
if (synId !== null) {
statsSoftOnly.setChargedSkillLevel(synId, 33)
}
const withSoftOnly = skillModule.evaluate!({
registry,
skill: skillRec,
slvl: 20,
blvl: 20,
statList: statsSoftOnly,
})
expect(withSoftOnly.synergyBonusPct).toBe(0)
})
it('executes runtime skill effect in WorldArena (castCount, action frame, and combat/state/missile/summon outcome)', async () => {
const registry = await getSharedDataRegistry()
const arena = new WorldArena({
registry,
classCode: "sor",
skillId: 56,
slvl: 20,
})
const outcome = arena.triggerCast()
arena.stepTicks(15)
const dbg = arena.getDebugState()
expect(dbg.ready).toBe(true)
expect(dbg.skillId).toBe(56)
expect(dbg.castCount).toBeGreaterThanOrEqual(1)
expect(dbg.actionFrameTriggered).toBe(true)
expect(outcome?.executed).toBe(true)
})
// ==========================================================================
// 7-Dimensional Verification Suite (Issue #401)
// ==========================================================================
it('Dimension 1: Parses authentic 1.13c Missiles.txt & Skills.txt for Meteor suite', async () => {
const registry = await getSharedDataRegistry()
const missilesTxtPath = path.resolve(__dirname, '../../../samples/fixtures/data/global/excel/Missiles.txt')
const missilesTxtContent = fs.readFileSync(missilesTxtPath, 'latin1')
const map = parseMissilesTxt(missilesTxtContent)
// meteor (ID 100)
const meteor = map.get('meteor')
expect(meteor).toBeDefined()
expect(meteor!.id).toBe(100)
expect(meteor!.vel).toBe(0)
expect(meteor!.range).toBe(60)
expect(meteor!.celFile.toLowerCase()).toBe('meteor')
expect(meteor!.animLen).toBe(12)
// meteorcenter (ID 101)
const center = map.get('meteorcenter')
expect(center).toBeDefined()
expect(center!.id).toBe(101)
expect(center!.vel).toBe(0)
expect(center!.range).toBe(60)
expect(center!.celFile.toLowerCase()).toBe('meteortargetindicator')
expect(center!.animLen).toBe(17)
expect(center!.light).toBe(4)
expect(center!.red).toBe(255)
expect(center!.green).toBe(64)
expect(center!.blue).toBe(64)
// meteortail (ID 102)
const tail = map.get('meteortail')
expect(tail).toBeDefined()
expect(tail!.id).toBe(102)
expect(tail!.range).toBe(60)
expect(tail!.celFile.toLowerCase()).toBe('meteortail')
expect(tail!.animLen).toBe(12)
// meteorexplode (ID 103)
const explode = map.get('meteorexplode')
expect(explode).toBeDefined()
expect(explode!.id).toBe(103)
expect(explode!.range).toBe(16)
expect(explode!.celFile.toLowerCase()).toBe('exparrowexplode')
expect(explode!.animLen).toBe(16)
expect(explode!.light).toBe(13)
// meteorfire (ID 240)
const fire = map.get('meteorfire')
expect(fire).toBeDefined()
expect(fire!.id).toBe(240)
expect(fire!.celFile.toLowerCase()).toBe('groundfiremedium')
expect(fire!.animLen).toBe(37)
expect(fire!.light).toBe(3)
// Skills.txt metadata specification check
const skillRec = registry.getSkillById(56)!
expect(skillRec).toBeDefined()
expect(skillRec.name).toBe('Meteor')
expect(skillRec.delay).toBe('30')
expect(skillRec.mana).toBe(34)
expect(skillRec.lvlMana).toBe(1)
expect(skillRec.manaShift).toBe(7)
expect(skillRec.eMin).toBe(80)
expect(skillRec.eMax).toBe(100)
expect(skillRec.srvDoFunc).toBe(28)
expect(skillRec.castOverlay).toBe('fire_cast_2')
// Mana cost formula: (34 + (lvl - 1)) * 0.5
expect(getSkillManaCost(56, 1)).toBe(17)
expect(getSkillManaCost(56, 10)).toBe(21.5)
expect(getSkillManaCost(56, 20)).toBe(26.5)
expect(getSkillCooldownTicks(56)).toBe(30)
})
it('Dimension 2: Baked DCC missile atlases and metadata exist on disk with non-zero size', () => {
expect(METEOR_META.name).toBe('meteor')
expect(METEOR_META.celFile).toBe('Meteor')
expect(METEOR_META.framesPerDirection).toBe(12)
expect(METEORTAIL_META.name).toBe('meteortail')
expect(METEORTAIL_META.celFile).toBe('MeteorTail')
expect(METEORTAIL_META.framesPerDirection).toBe(12)
expect(METEORCENTER_META.name).toBe('meteorcenter')
expect(METEORCENTER_META.celFile).toBe('MeteorTargetIndicator')
expect(METEORCENTER_META.framesPerDirection).toBe(17)
expect(METEOREXPLODE_META.name).toBe('meteorexplode')
expect(METEOREXPLODE_META.celFile).toBe('ExpArrowExplode')
expect(METEOREXPLODE_META.framesPerDirection).toBe(16)
expect(METEORFIRE_META.name).toBe('meteorfire')
expect(METEORFIRE_META.celFile).toBe('groundFireMedium')
expect(METEORFIRE_META.framesPerDirection).toBe(37)
expect(MISSILE_METAS['meteor']).toBe(METEOR_META)
expect(MISSILE_METAS['meteortail']).toBe(METEORTAIL_META)
expect(MISSILE_METAS['meteorcenter']).toBe(METEORCENTER_META)
expect(MISSILE_METAS['meteorexplode']).toBe(METEOREXPLODE_META)
expect(MISSILE_METAS['meteorfire']).toBe(METEORFIRE_META)
const missileFiles = ['meteor', 'meteortail', 'meteorcenter', 'meteorexplode', 'meteorfire']
for (const name of missileFiles) {
const pngPath = path.resolve(__dirname, `../../../public/missiles/${name}.png`)
const jsonPath = path.resolve(__dirname, `../../../public/missiles/${name}.json`)
expect(fs.existsSync(pngPath), `Missing ${pngPath}`).toBe(true)
expect(fs.statSync(pngPath).size).toBeGreaterThan(1000)
expect(fs.existsSync(jsonPath), `Missing ${jsonPath}`).toBe(true)
expect(fs.statSync(jsonPath).size).toBeGreaterThan(100)
}
})
it('Dimension 3: Harmless emitter countdown (60 ticks / 2.40s) without premature contact damage', () => {
let center: Projectile = {
skillId: '56',
x: 300,
y: 300,
vx: 0,
vy: 0,
damage: 500,
ttl: 60, // 2.40s at 25 fps
fromPlayer: true,
missileType: 'meteorcenter',
slvl: 1,
}
const dummyMonster = [{ index: 0, x: 300, y: 300, radius: 30, alive: true }]
const openTerrain = { overlap: () => 0 }
// Over ticks 1 to 59, meteorcenter must not damage monster despite standing at exact same coordinates
for (let tick = 1; tick < 60; tick += 1) {
const outcome = tickProjectiles([center], dummyMonster, openTerrain)
expect(outcome.hits.length).toBe(0)
expect(outcome.alive.length).toBe(1)
center = outcome.alive[0]!
expect(center.missileType).toBe('meteorcenter')
expect(center.ttl).toBe(60 - tick)
}
// Exactly on tick 60, center expires and detonates
const finalOutcome = tickProjectiles([center], dummyMonster, openTerrain)
expect(finalOutcome.expired).toBe(1)
expect(finalOutcome.hits.length).toBe(1) // monster takes detonation damage on expiry!
expect(finalOutcome.hits[0]!.damage).toBe(500)
expect(finalOutcome.hits[0]!.missileType).toBe('meteorexplode')
})
it('Dimension 4: Primary detonation damage scaling with 5-band level progression & synergies', () => {
// slvl 1: 80 - 100
const d1 = calculateMeteorDamage(1)
expect(d1.min).toBe(80)
expect(d1.max).toBe(100)
// slvl 5: 80 + 4*23 = 172, 100 + 4*25 = 200
const d5 = calculateMeteorDamage(5)
expect(d5.min).toBe(172)
expect(d5.max).toBe(200)
// slvl 10: 80 + 7*23 + 2*39 = 319, 100 + 7*25 + 2*41 = 357
const d10 = calculateMeteorDamage(10)
expect(d10.min).toBe(319)
expect(d10.max).toBe(357)
// slvl 20: 80 + 7*23 + 8*39 + 4*79 = 869, 100 + 7*25 + 8*41 + 4*81 = 927
const d20 = calculateMeteorDamage(20)
expect(d20.min).toBe(869)
expect(d20.max).toBe(927)
// slvl 30: 869 + 2*79 + 6*81 + 2*83 = 1679, 927 + 2*81 + 6*83 + 2*85 = 1757
const d30 = calculateMeteorDamage(30)
expect(d30.min).toBe(1679)
expect(d30.max).toBe(1757)
// Synergies:
// Fire Bolt: 20 pts (+100% = 2.0x)
const syn20 = calculateMeteorSynergyMultiplier({ fireBolt: 20 })
expect(syn20).toBe(2.0)
const d20Syn = calculateMeteorDamage(20, { fireBolt: 20 })
expect(d20Syn.min).toBe(1738) // 869 * 2.0
expect(d20Syn.max).toBe(1854) // 927 * 2.0
// Full synergies: Fire Bolt 20, Fire Ball 20 (+200% = 3.0x)
const syn40 = calculateMeteorSynergyMultiplier({ fireBolt: 20, fireBall: 20 })
expect(syn40).toBe(3.0)
const d20Full = calculateMeteorDamage(20, { fireBolt: 20, fireBall: 20 })
expect(d20Full.min).toBe(2607) // 869 * 3.0
expect(d20Full.max).toBe(2781) // 927 * 3.0
// Generic calculateSkillDamage router checks
expect(calculateSkillDamage(56, 1)).toEqual(d1)
expect(calculateSkillDamage('56', 10)).toEqual(d10)
expect(calculateSkillDamage('meteor', 20)).toEqual(d20)
})
it('Dimension 5: Detonation AOE 120px with 2:1 isometric ground foreshortening', () => {
// 6 subtiles = 120px ground radius.
// In 2:1 isometric projection: ellipse is dx^2 + (dy / 0.5)^2 <= 120^2.
const center: Projectile = {
skillId: '56',
x: 200,
y: 200,
vx: 0,
vy: 0,
damage: 400,
ttl: 0, // detonates immediately on tick
fromPlayer: true,
missileType: 'meteorcenter',
slvl: 1,
}
const monsters = [
{ index: 1, x: 200, y: 250, radius: 10, alive: true }, // dx=0, dy=50: dy/0.5 = 100 <= 120 (INSIDE)
{ index: 2, x: 200, y: 310, radius: 10, alive: true }, // dx=0, dy=110: dy/0.5 = 220 > 120 (OUTSIDE)
{ index: 3, x: 300, y: 200, radius: 10, alive: true }, // dx=100, dy=0: dx = 100 <= 120 (INSIDE)
{ index: 4, x: 330, y: 200, radius: 10, alive: true }, // dx=130, dy=0: dx = 130 > 120 (OUTSIDE)
]
const outcome = tickProjectiles([center], monsters, { overlap: () => 0 })
expect(outcome.hits.length).toBe(2)
const hitIndices = outcome.hits.map(h => h.targetIndex)
expect(hitIndices).toContain(1)
expect(hitIndices).toContain(3)
expect(hitIndices).not.toContain(2)
expect(hitIndices).not.toContain(4)
// Visual meteorexplode missile spawned
expect(outcome.spawnedProjectiles?.some(p => p.missileType === 'meteorexplode')).toBe(true)
})
it('Dimension 6: 18-offset ground fire geometry and duration scaling (30 + (slvl-1)*15)', () => {
expect(METEOR_FIRE_SUBTILE_OFFSETS.length).toBe(18)
// Check specific cardinal offsets from D2Game.dll 0x6FD1C918 and 0x6FD1C8D0
expect(METEOR_FIRE_SUBTILE_OFFSETS[3]).toEqual({ x: 0, y: 5 }) // North Tip
expect(METEOR_FIRE_SUBTILE_OFFSETS[11]).toEqual({ x: -4, y: -2 }) // West Tip
expect(METEOR_FIRE_SUBTILE_OFFSETS[14]).toEqual({ x: 0, y: -4 }) // South Tip
expect(METEOR_FIRE_SUBTILE_OFFSETS[17]).toEqual({ x: 4, y: -2 }) // East Tip
// Verify duration scaling: slvl 1: 30 ticks; slvl 10: 165 ticks; slvl 20: 315 ticks
const centerSlvl10: Projectile = {
skillId: '56',
x: 100,
y: 100,
vx: 0,
vy: 0,
damage: 300,
ttl: 0,
fromPlayer: true,
missileType: 'meteorcenter',
slvl: 10,
}
const outcome10 = tickProjectiles([centerSlvl10], [], { overlap: () => 0 })
const flames10 = outcome10.spawnedProjectiles?.filter(p => p.missileType === 'meteorfire') ?? []
expect(flames10.length).toBe(18)
for (const f of flames10) {
expect(f.ttl).toBe(30 + 9 * 15) // 165 ticks = 6.60 seconds
expect(f.pierce).toBe(true)
}
// Verify wall collision filtering: flames inside walls are suppressed
const outcomeWall = tickProjectiles([centerSlvl10], [], {
overlap: (x, y) => (x > 140 ? 1 : 0), // wall on eastern side
})
const flamesWall = outcomeWall.spawnedProjectiles?.filter(p => p.missileType === 'meteorfire') ?? []
expect(flamesWall.length).toBeLessThan(18)
expect(flamesWall.every(f => f.x <= 140)).toBe(true)
})
it('Dimension 7: Residual ground fire periodic burn damage with NextDelay = 0', () => {
// Residual fire formulas
const res1 = calculateMeteorResidualFireDamage(1)
expect(res1.min).toBe(15)
expect(res1.max).toBe(25)
expect(res1.perSecMin).toBe(11) // floor(15 * 200 / 256)
expect(res1.perSecMax).toBe(19) // floor(25 * 200 / 256)
const res10 = calculateMeteorResidualFireDamage(10)
expect(res10.min).toBe(53)
expect(res10.max).toBe(63)
expect(res10.perSecMin).toBe(41)
expect(res10.perSecMax).toBe(49)
const res20 = calculateMeteorResidualFireDamage(20)
expect(res20.min).toBe(107)
expect(res20.max).toBe(117)
expect(res20.perSecMin).toBe(83)
expect(res20.perSecMax).toBe(91)
// Detailed damage breakdown
const detailed = calculateMeteorDetailedDamage(20, { fireBolt: 20 })
expect(detailed.impactFire.min).toBe(1738)
expect(detailed.impactPhys.min).toBe(0) // 1.13c vanilla has 0 physical damage
expect(detailed.residualFire.min).toBe(107)
// Optional physical split support (e.g. 50/50 mod support)
const splitDetailed = calculateMeteorDetailedDamage(20, {}, { physRatio: 0.5 })
expect(splitDetailed.impactFire.min).toBe(434)
expect(splitDetailed.impactPhys.min).toBe(434)
// Simulation of residual flame patch over 10 ticks
let flame: Projectile = {
skillId: '56',
x: 100,
y: 100,
vx: 0,
vy: 0,
damage: 20,
ttl: 30,
fromPlayer: true,
missileType: 'meteorfire',
pierce: true,
}
const dummyMonster = [{ index: 5, x: 100, y: 100, radius: 15, alive: true }]
let hitCount = 0
for (let t = 1; t <= 10; t += 1) {
const outcome = tickProjectiles([flame], dummyMonster, { overlap: () => 0 })
flame = outcome.alive[0]!
hitCount += outcome.hits.length
}
// Over 10 ticks with 5-tick periodic burn cadence, monster is damaged 3 times (tick 1, 5, 10)
expect(hitCount).toBe(3)
expect(flame.ttl).toBe(20) // remains alive, doesn't vanish on hit
})
it('Dimension 8: Dual Sprite Falling Trajectory & Trans: 1 Additive Blending in drawMissileProjectile', () => {
const drawCalls: { frame: any; x: number; y: number; options?: any }[] = []
const mockRenderer = {
draw(frame: any, x: number, y: number, options?: any) {
drawCalls.push({ frame, x, y, options })
},
drawSolid: vi.fn(),
} as unknown as SpriteRenderer
// Build mock art map for meteor, meteortail, meteorcenter
const makeMockArt = (meta: any): LoadedMissileArt => ({
meta,
handle: 1 as unknown as AtlasHandle,
frames: [
meta.groups[0].map(([x, y, w, h, ax, ay]: number[]) => ({
x,
y,
width: w,
height: h,
anchorX: ax,
anchorY: ay,
})),
],
})
const artMap = new Map<string, LoadedMissileArt>([
['meteor', makeMockArt(METEOR_META)],
['meteortail', makeMockArt(METEORTAIL_META)],
['meteorcenter', makeMockArt(METEORCENTER_META)],
])
const centerShot: Projectile = {
skillId: '56',
missileType: 'meteorcenter',
x: 400,
y: 300,
vx: 0,
vy: 0,
damage: 500,
ttl: 60, // At initial cast (60 remaining ticks)
fromPlayer: true,
slvl: 1,
}
// Tick 0 (ttl = 60): Ground indicator + falling tail + fireball core at altitude 1500px, slideX -900px
drawMissileProjectile(mockRenderer, centerShot, artMap.get('meteorcenter'), artMap)
expect(drawCalls.length).toBe(3) // 1 ground indicator, 1 flame tail, 1 meteor core
// 1. Ground target indicator (MeteorTargetIndicator)
expect(drawCalls[0]!.options?.blendMode).toBe('additive')
expect(drawCalls[0]!.x).toBe(400 - 56) // anchorX = -56
expect(drawCalls[0]!.y).toBe(300 - 43) // anchorY = -43
// 2. Atmospheric flame tail (MeteorTail)
expect(drawCalls[1]!.options?.blendMode).toBe('additive')
// slideX = -60 * 15 = -900 -> meteorX = 400 - 900 = -500; anchorX = -49 -> drawX = -549
expect(drawCalls[1]!.x).toBe(400 - 60 * 15 - 49)
// altitude = 60 * 25 = 1500 -> meteorY = 300 - 143 - 1500 = -1343
expect(drawCalls[1]!.y).toBe(300 - 143 - 60 * 25)
// 3. Falling meteor fireball core (Meteor)
expect(drawCalls[2]!.options?.blendMode).toBe('additive')
expect(drawCalls[2]!.x).toBe(400 - 60 * 15 - 7) // anchorX = -7
expect(drawCalls[2]!.y).toBe(300 - 55 - 60 * 25) // anchorY = -55
// Tick 30 (ttl = 30): Mid-flight descent (altitude = 750px, slideX = -450px)
drawCalls.length = 0
const midShot: Projectile = { ...centerShot, ttl: 30 }
drawMissileProjectile(mockRenderer, midShot, artMap.get('meteorcenter'), artMap)
expect(drawCalls.length).toBe(3)
expect(drawCalls[1]!.x).toBe(400 - 30 * 15 - 49)
expect(drawCalls[1]!.y).toBe(300 - 143 - 30 * 25)
expect(drawCalls[2]!.x).toBe(400 - 30 * 15 - 7)
expect(drawCalls[2]!.y).toBe(300 - 55 - 30 * 25)
// Tick 60 (ttl = 0 / impact): Falling fireball hits ground, only ground indicator rendered
drawCalls.length = 0
const impactShot: Projectile = { ...centerShot, ttl: 0 }
drawMissileProjectile(mockRenderer, impactShot, artMap.get('meteorcenter'), artMap)
expect(drawCalls.length).toBe(1) // Only ground indicator, zero sky fireball
})
it('Dimension 9: Animation frame indexing progression for meteorcenter and meteorfire sublooping', () => {
const drawnFrames: number[] = []
const mockRenderer = {
draw(frame: any) {
drawnFrames.push(frame.frameIdx)
},
drawSolid: vi.fn(),
} as unknown as SpriteRenderer
// Build art with tracked frameIdx
const makeIndexedArt = (meta: any): LoadedMissileArt => ({
meta,
handle: 1 as unknown as AtlasHandle,
frames: [
meta.groups[0].map(([x, y, w, h, ax, ay]: number[], idx: number) => ({
x,
y,
width: w,
height: h,
anchorX: ax,
anchorY: ay,
frameIdx: idx,
})),
],
})
const centerArt = makeIndexedArt(METEORCENTER_META)
const fireArt = makeIndexedArt(METEORFIRE_META)
// 1. meteorcenter starts at frame 0 and advances forward
for (let elapsed = 0; elapsed < 17; elapsed++) {
drawnFrames.length = 0
const shot: Projectile = {
skillId: '56',
missileType: 'meteorcenter',
x: 0,
y: 0,
vx: 0,
vy: 0,
damage: 0,
ttl: 60 - elapsed,
ageTicks: elapsed,
fromPlayer: true,
}
drawMissileProjectile(mockRenderer, shot, centerArt)
expect(drawnFrames[0]).toBe(elapsed)
}
// 2. meteorfire plays emergence once (frames 0..11) then loops 12..36 indefinitely
// Emergence phase
for (let elapsed = 0; elapsed < 12; elapsed++) {
drawnFrames.length = 0
const shot: Projectile = {
skillId: '56',
missileType: 'meteorfire',
x: 0,
y: 0,
vx: 0,
vy: 0,
damage: 10,
ttl: 315 - elapsed,
ageTicks: elapsed,
fromPlayer: true,
fireDuration: 315,
}
drawMissileProjectile(mockRenderer, shot, fireArt)
expect(drawnFrames[0]).toBe(elapsed)
}
// Looping phase (frames 12..36, 25-frame cycle)
for (let elapsed = 12; elapsed <= 70; elapsed++) {
drawnFrames.length = 0
const shot: Projectile = {
skillId: '56',
missileType: 'meteorfire',
x: 0,
y: 0,
vx: 0,
vy: 0,
damage: 10,
ttl: 315 - elapsed,
ageTicks: elapsed,
fromPlayer: true,
fireDuration: 315,
}
drawMissileProjectile(mockRenderer, shot, fireArt)
const expectedFrame = 12 + ((elapsed - 12) % 25)
expect(drawnFrames[0]).toBe(expectedFrame)
expect(drawnFrames[0]!).toBeGreaterThanOrEqual(12)
expect(drawnFrames[0]!).toBeLessThanOrEqual(36)
}
})
})