diablo2-web/tests/skills/sor/skill-053-chain-lightning.t...

652 lines
24 KiB
TypeScript

/**
* Diablo II: Lord of Destruction v1.13c — Comprehensive 7-Dimensional Verification Suite
* Skill #053: Chain Lightning (SOR)
*
* Gitea Tracking Issue: #207
*
* 7 Verification Dimensions:
* - Dimension 1: 1.13c Data Table Parsing & Canonical Missile Definition
* - Dimension 2: Visual Assets & Metadata Integrity
* - Dimension 3: Seeking Kinematics & Jump Formula
* - Dimension 4: Ping-Pong Retargeting, Target Exclusion & NextDelay = 4
* - Dimension 5: Piecewise 5-Band Damage Scaling & Synergy Verification
* - Dimension 6: Lifecycle, Range 25 Frames, Mana Cost Formula
* - Dimension 7: WorldArena & Runtime Cast Integration
*/
import { describe, expect, it } 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 { StateBus } from '../../../src/game/engine/state-bus.ts'
import { WorldArena } from '../../../src/game/engine/world-arena.ts'
import { skillModule } from '../../../src/game/skills/impl/sor/skill-053-chain-lightning.ts'
import {
parseMissilesTxt,
getMissileTxtData,
CANONICAL_113C_MISSILES,
getSkillManaCost,
getSkillCooldownTicks,
getSkillCastOverlay,
SORCERESS_SKILL_CAST_OVERLAYS,
calculateChainLightningDamage,
calculateChainLightningSynergyMultiplier,
calculateChainLightningJumps,
calculateSkillDamage,
tickProjectiles,
type Projectile,
type ProjectileTarget,
} from '../../../src/game/skills.ts'
import {
MissileEngine,
hasLineOfSight,
} from '../../../src/game/engine/missile-engine.ts'
import {
CHAINLIGHTNING_META,
MISSILE_METAS,
} from '../../../src/render/missiles-meta.ts'
import {
LIGHT_CAST_1_META,
OVERLAY_METAS,
} from '../../../src/render/overlays-meta.ts'
describe('[Skill #053] Chain Lightning (SOR) — 1.13c 7-Dimensional Verification Suite (Issue #207)', () => {
const missilesTxtPath = path.resolve(__dirname, '../../../samples/fixtures/data/global/excel/Missiles.txt')
const missilesTxtContent = fs.readFileSync(missilesTxtPath, 'latin1')
const skillsTxtPath = path.resolve(__dirname, '../../../samples/fixtures/data/global/excel/Skills.txt')
const skillsTxtContent = fs.readFileSync(skillsTxtPath, 'latin1')
// =========================================================================
// Dimension 1: 1.13c Data Table Parsing & Canonical Missile Definition
// =========================================================================
describe('Dimension 1: 1.13c Data Table Parsing & Canonical Missile Definition', () => {
it('parses authentic Skills.txt row 53 (Chain Lightning)', () => {
const lines = skillsTxtContent.split('\n')
const headers = lines[0]!.split('\t')
const idIdx = headers.indexOf('Id')
const skillIdx = headers.indexOf('skill')
const charClassIdx = headers.indexOf('charclass')
const manaIdx = headers.indexOf('mana')
const lvlManaIdx = headers.indexOf('lvlmana')
const manaShiftIdx = headers.indexOf('manashift')
const castOverlayIdx = headers.indexOf('castoverlay')
const srvMissileAIdx = headers.indexOf('srvmissilea')
const eMinIdx = headers.indexOf('EMin')
const eMaxIdx = headers.indexOf('EMax')
const eMaxLev1Idx = headers.indexOf('EMaxLev1')
const eMaxLev2Idx = headers.indexOf('EMaxLev2')
const eMaxLev3Idx = headers.indexOf('EMaxLev3')
const eMaxLev4Idx = headers.indexOf('EMaxLev4')
const eMaxLev5Idx = headers.indexOf('EMaxLev5')
const param8Idx = headers.indexOf('Param8') !== -1 ? headers.indexOf('Param8') : headers.indexOf('param8')
const row = lines.slice(1).map(l => l.split('\t')).find(r => r[idIdx]?.trim() === '53')
expect(row).toBeDefined()
expect(row![skillIdx]?.trim()).toBe('Chain Lightning')
expect(row![charClassIdx]?.trim()).toBe('sor')
expect(Number(row![manaIdx])).toBe(9)
expect(Number(row![lvlManaIdx])).toBe(1)
expect(Number(row![manaShiftIdx])).toBe(8)
expect(row![castOverlayIdx]?.trim()).toBe('light_cast_1')
expect(row![srvMissileAIdx]?.trim()).toBe('chainlightning')
expect(Number(row![eMinIdx])).toBe(1)
expect(Number(row![eMaxIdx])).toBe(40)
expect(Number(row![eMaxLev1Idx])).toBe(11)
expect(Number(row![eMaxLev2Idx])).toBe(13)
expect(Number(row![eMaxLev3Idx])).toBe(15)
expect(Number(row![eMaxLev4Idx])).toBe(15)
expect(Number(row![eMaxLev5Idx])).toBe(15)
expect(Number(row![param8Idx])).toBe(4)
})
it('parses authentic Missiles.txt row for chainlightning (ID 93)', () => {
const map = parseMissilesTxt(missilesTxtContent)
const cl = map.get('chainlightning')
expect(cl).toBeDefined()
expect(cl!.id).toBe(93)
expect(cl!.vel).toBe(30)
expect(cl!.range).toBe(25)
expect(cl!.speedPxPerSec).toBe(750)
expect(cl!.distancePx).toBe(750)
expect(cl!.trans).toBe(1)
})
it('CANONICAL_113C_MISSILES contains exact chainlightning definitions', () => {
const cl = getMissileTxtData('chainlightning')
expect(cl.id).toBe(93)
expect(cl.vel).toBe(30)
expect(cl.range).toBe(25)
expect(cl.speedPxPerSec).toBe(750)
expect(cl.distancePx).toBe(750)
expect(cl.trans).toBe(1)
const def = CANONICAL_113C_MISSILES['chainlightning']
expect(def).toBeDefined()
expect(def!.id).toBe(93)
expect(def!.vel).toBe(30)
})
})
// =========================================================================
// Dimension 2: Visual Assets & Metadata Integrity
// =========================================================================
describe('Dimension 2: Visual Assets & Metadata Integrity', () => {
it('verifies baked DCC atlas sprite sheet files exist with non-zero size', () => {
const missilePng = path.resolve(
process.cwd(),
'public/missiles/chainlightning.png',
)
const missileJson = path.resolve(
process.cwd(),
'public/missiles/chainlightning.json',
)
const overlayPng = path.resolve(
process.cwd(),
'public/overlays/light_cast_1.png',
)
const overlayJson = path.resolve(
process.cwd(),
'public/overlays/light_cast_1.json',
)
expect(fs.existsSync(missilePng)).toBe(true)
expect(fs.statSync(missilePng).size).toBeGreaterThan(1000)
expect(fs.existsSync(missileJson)).toBe(true)
expect(fs.statSync(missileJson).size).toBeGreaterThan(100)
expect(fs.existsSync(overlayPng)).toBe(true)
expect(fs.statSync(overlayPng).size).toBeGreaterThan(1000)
expect(fs.existsSync(overlayJson)).toBe(true)
expect(fs.statSync(overlayJson).size).toBeGreaterThan(100)
})
it('verifies CHAINLIGHTNING_META metadata and registry registration', () => {
expect(CHAINLIGHTNING_META).toBeDefined()
expect(CHAINLIGHTNING_META.name).toBe('chainlightning')
expect(CHAINLIGHTNING_META.directions).toBe(32)
expect(MISSILE_METAS['chainlightning']).toBeDefined()
expect(MISSILE_METAS['chainlightning']!.name).toBe('chainlightning')
})
it('verifies cast overlay mapping and metadata', () => {
const overlay = getSkillCastOverlay(53)
expect(overlay).toBe('light_cast_1')
expect(SORCERESS_SKILL_CAST_OVERLAYS[53]).toBe('light_cast_1')
expect(LIGHT_CAST_1_META).toBeDefined()
expect(LIGHT_CAST_1_META.name).toBe('light_cast_1')
expect(OVERLAY_METAS['light_cast_1']).toBeDefined()
})
})
// =========================================================================
// Dimension 3: Seeking Kinematics & Jump Formula
// =========================================================================
describe('Dimension 3: Seeking Kinematics & Jump Formula', () => {
it('evaluates exact 1.13c jump formula: 5 + Math.floor(slvl / 5)', () => {
expect(calculateChainLightningJumps(1)).toBe(5)
expect(calculateChainLightningJumps(2)).toBe(5)
expect(calculateChainLightningJumps(4)).toBe(5)
expect(calculateChainLightningJumps(5)).toBe(6)
expect(calculateChainLightningJumps(6)).toBe(6)
expect(calculateChainLightningJumps(9)).toBe(6)
expect(calculateChainLightningJumps(10)).toBe(7)
expect(calculateChainLightningJumps(14)).toBe(7)
expect(calculateChainLightningJumps(15)).toBe(8)
expect(calculateChainLightningJumps(19)).toBe(8)
expect(calculateChainLightningJumps(20)).toBe(9)
expect(calculateChainLightningJumps(25)).toBe(10)
expect(calculateChainLightningJumps(30)).toBe(11)
expect(calculateChainLightningJumps(40)).toBe(13)
})
it('missile advances at 30 px/tick (750 px/s) toward target', () => {
const missileData = getMissileTxtData('chainlightning')
expect(missileData.speedPxPerSec).toBe(750)
expect(missileData.distancePx).toBe(750)
const target: ProjectileTarget = {
index: 1,
x: 300,
y: 0,
radius: 16,
alive: true,
}
// Initial projectile fired horizontally at target 300px away
const initial: Projectile = {
skillId: '53',
x: 0,
y: 0,
vx: 30,
vy: 0,
damage: 100,
ttl: 25,
fromPlayer: true,
missileType: 'chainlightning',
chainRemaining: 5,
nextHit: 1,
nextDelay: 4,
}
let current: readonly Projectile[] = [initial]
const openTerrain = { overlap: () => 0 }
// Advance 9 ticks (x = 270)
for (let t = 1; t <= 9; t++) {
const step = tickProjectiles(current, [target], openTerrain)
expect(step.alive.length).toBe(1)
expect(step.hits.length).toBe(0)
current = step.alive
}
expect(current[0]!.x).toBe(270)
})
it('enforces 20 subtiles (400 px) search radius for jumps', () => {
// Target 1 at (0, 0), Target 2 at (450, 0) — out of 400px jump range
const t1: ProjectileTarget = { index: 1, x: 100, y: 0, radius: 16, alive: true }
const t2: ProjectileTarget = { index: 2, x: 550, y: 0, radius: 16, alive: true } // dist = 450 > 400
const projectile: Projectile = {
skillId: '53',
x: 90,
y: 0,
vx: 30,
vy: 0,
damage: 100,
ttl: 25,
fromPlayer: true,
missileType: 'chainlightning',
chainRemaining: 5,
nextHit: 1,
nextDelay: 4,
}
const outcome = tickProjectiles([projectile], [t1, t2], { overlap: () => 0 })
expect(outcome.hits.length).toBe(1)
expect(outcome.hits[0]!.targetIndex).toBe(1)
// Since t2 is 450px away (> 400px search radius), chain cannot jump!
expect(outcome.spawnedProjectiles?.length ?? 0).toBe(0)
expect(outcome.alive.length).toBe(0)
})
})
// =========================================================================
// Dimension 4: Ping-Pong Retargeting, Target Exclusion & NextDelay = 4
// =========================================================================
describe('Dimension 4: Ping-Pong Retargeting, Target Exclusion & NextDelay = 4', () => {
it('ping-pongs between 2 monsters within 400 px for all available jumps', () => {
// Target A at (100, 0), Target B at (200, 0). Distance between them is 100 px <= 400 px.
const tA: ProjectileTarget = { index: 1, x: 100, y: 0, radius: 16, alive: true }
const tB: ProjectileTarget = { index: 2, x: 200, y: 0, radius: 16, alive: true }
const targets = [tA, tB]
// Initial missile hits A with chainRemaining = 3
let projectiles: readonly Projectile[] = [
{
skillId: '53',
x: 75,
y: 0,
vx: 30,
vy: 0,
damage: 50,
ttl: 25,
fromPlayer: true,
missileType: 'chainlightning',
chainRemaining: 3,
nextHit: 1,
nextDelay: 4,
},
]
const hitSequence: number[] = []
const openTerrain = { overlap: () => 0 }
// Tick through the lifecycle to trace the jumps
for (let tick = 1; tick <= 50; tick++) {
const outcome = tickProjectiles(projectiles, targets, openTerrain)
for (const hit of outcome.hits) {
hitSequence.push(hit.targetIndex)
}
projectiles = outcome.alive
if (projectiles.length === 0) break
}
// Chain lightning hit A, spawned jump toward B (chainRemaining = 2),
// hit B, spawned jump back toward A (chainRemaining = 1),
// hit A, spawned jump back toward B (chainRemaining = 0),
// hit B, 0 jumps remaining -> terminates!
// Total hits: 4 hits (initial + 3 jumps)
expect(hitSequence).toEqual([1, 2, 1, 2])
})
it('terminates cleanly after 1 hit when only 1 monster is in range', () => {
// Only 1 monster in range
const tA: ProjectileTarget = { index: 1, x: 100, y: 0, radius: 16, alive: true }
const projectiles: readonly Projectile[] = [
{
skillId: '53',
x: 75,
y: 0,
vx: 30,
vy: 0,
damage: 50,
ttl: 25,
fromPlayer: true,
missileType: 'chainlightning',
chainRemaining: 5,
nextHit: 1,
nextDelay: 4,
},
]
const outcome = tickProjectiles(projectiles, [tA], { overlap: () => 0 })
expect(outcome.hits.length).toBe(1)
expect(outcome.hits[0]!.targetIndex).toBe(1)
// Cannot jump back to the immediate victim, so 0 spawned jumps and 0 alive
expect(outcome.spawnedProjectiles?.length ?? 0).toBe(0)
expect(outcome.alive.length).toBe(0)
})
it('MissileEngine enforces NextDelay = 4 frames and ping-pong jumping across 2 targets', async () => {
const registry = await getSharedDataRegistry()
const engine = new MissileEngine(registry)
const ownerStats = new UnitStatList()
const owner = {
id: 'player',
x: 0,
y: 0,
statList: ownerStats,
stateBus: new StateBus(ownerStats),
} as any
const m = engine.spawnMissile({
missileNameOrId: 'chainlightning',
sourceSkillId: 53,
slvl: 20,
owner,
startX: 0,
startY: 0,
targetX: 60,
targetY: 0,
dmgPacket: { minDamage: 50, maxDamage: 50, damageType: 'lightning' } as any,
vx: 30,
vy: 0,
maxRangeTicks: 25,
chainRemaining: 2, // will hit A, jump to B, hit B, jump to A, hit A (3 total hits)
})
expect(m).not.toBeNull()
const statA = new UnitStatList()
statA.setHp256(1000 * 256)
const statB = new UnitStatList()
statB.setHp256(1000 * 256)
const targets = [
{ id: 'target_a', statList: statA, stateBus: new StateBus(statA) },
{ id: 'target_b', statList: statB, stateBus: new StateBus(statB) },
] as any[]
const targetPositions = new Map<string, { x: number; y: number }>([
['target_a', { x: 60, y: 0 }],
['target_b', { x: 180, y: 0 }],
])
const hitRecords: { tick: number; targetId: string }[] = []
for (let tick = 1; tick <= 30; tick++) {
const step = engine.tick(tick, targets, targetPositions)
for (const h of step.hits) {
hitRecords.push({ tick, targetId: h.targetId })
}
}
// Expected hit sequence: target_a -> target_b -> target_a
expect(hitRecords.map((r) => r.targetId)).toEqual([
'target_a',
'target_b',
'target_a',
])
// Verify NextDelay between hits on the same target:
// Hit on target_a at tick 2, next hit on target_a occurs after tick 2 + 4 = tick 6
const aHits = hitRecords.filter((r) => r.targetId === 'target_a')
expect(aHits.length).toBe(2)
expect(aHits[1]!.tick - aHits[0]!.tick).toBeGreaterThanOrEqual(4)
})
})
// =========================================================================
// Dimension 5: Piecewise 5-Band Damage Scaling & Synergy Verification
// =========================================================================
describe('Dimension 5: Piecewise 5-Band Damage Scaling & Synergy Verification', () => {
it('calculates exact 1.13c 5-band damage without synergies at slvl 1, 2, 8, 9, 10, 16, 17, 20, 22, 28, 30', () => {
// Level 1: 1-40
expect(calculateChainLightningDamage(1)).toEqual({ min: 1, max: 40 })
// Band 1: Level 2-8 (+11/lvl)
// slvl 2: 40 + 11 = 51
expect(calculateChainLightningDamage(2)).toEqual({ min: 1, max: 51 })
// slvl 8: 40 + 7 * 11 = 117
expect(calculateChainLightningDamage(8)).toEqual({ min: 1, max: 117 })
// Band 2: Level 9-16 (+13/lvl)
// slvl 9: 117 + 13 = 130
expect(calculateChainLightningDamage(9)).toEqual({ min: 1, max: 130 })
// slvl 10: 117 + 2 * 13 = 143
expect(calculateChainLightningDamage(10)).toEqual({ min: 1, max: 143 })
// slvl 16: 117 + 8 * 13 = 221
expect(calculateChainLightningDamage(16)).toEqual({ min: 1, max: 221 })
// Band 3: Level 17-22 (+15/lvl)
// slvl 17: 221 + 15 = 236
expect(calculateChainLightningDamage(17)).toEqual({ min: 1, max: 236 })
// slvl 20: 221 + 4 * 15 = 281
expect(calculateChainLightningDamage(20)).toEqual({ min: 1, max: 281 })
// slvl 22: 221 + 6 * 15 = 311
expect(calculateChainLightningDamage(22)).toEqual({ min: 1, max: 311 })
// Band 4: Level 23-28 (+15/lvl)
// slvl 28: 311 + 6 * 15 = 401
expect(calculateChainLightningDamage(28)).toEqual({ min: 1, max: 401 })
// Band 5: Level 29+ (+15/lvl)
// slvl 30: 401 + 2 * 15 = 431
expect(calculateChainLightningDamage(30)).toEqual({ min: 1, max: 431 })
})
it('calculates exact +4% synergies per hard point in Charged Bolt, Nova, Lightning', () => {
// 0 hard points = 1.0 multiplier
expect(
calculateChainLightningSynergyMultiplier({
chargedBoltPoints: 0,
novaPoints: 0,
lightningPoints: 0,
}),
).toBe(1)
// 1 hard point in Charged Bolt: +4% -> 1.04
expect(
calculateChainLightningSynergyMultiplier({
chargedBoltPoints: 1,
novaPoints: 0,
lightningPoints: 0,
}),
).toBeCloseTo(1.04, 5)
// 1 hard point in Nova: +4% -> 1.04
expect(
calculateChainLightningSynergyMultiplier({
chargedBoltPoints: 0,
novaPoints: 1,
lightningPoints: 0,
}),
).toBeCloseTo(1.04, 5)
// 1 hard point in Lightning: +4% -> 1.04
expect(
calculateChainLightningSynergyMultiplier({
chargedBoltPoints: 0,
novaPoints: 0,
lightningPoints: 1,
}),
).toBeCloseTo(1.04, 5)
// 20 hard points in each of the 3 synergy skills: 60 * 4% = +240% -> 3.4 multiplier
expect(
calculateChainLightningSynergyMultiplier({
chargedBoltPoints: 20,
novaPoints: 20,
lightningPoints: 20,
}),
).toBeCloseTo(3.4, 5)
// Total damage with full synergies at slvl 20 (base 1-281):
// min = round(1 * 3.4) = 3, max = round(281 * 3.4) = 955
const mult = calculateChainLightningSynergyMultiplier({
chargedBoltPoints: 20,
novaPoints: 20,
lightningPoints: 20,
})
const baseDmg = calculateChainLightningDamage(20)
expect(Math.round(baseDmg.min * mult)).toBe(3)
expect(Math.round(baseDmg.max * mult)).toBe(955)
})
it('evaluates exact 1.13c Skills.txt formulas in skillModule.evaluate', async () => {
const registry = await getSharedDataRegistry()
const skillRec = registry.getSkillById(53)!
const stats1 = new UnitStatList()
stats1.setBaseSkillLevel(53, 1)
const r1 = skillModule.evaluate!({
registry,
skill: skillRec,
slvl: 1,
blvl: 1,
statList: stats1,
})
expect(r1.manaCost).toBe(9)
expect(r1.minElemDmg256).toBe(256) // 1 * 256
expect(r1.maxElemDmg256).toBe(10240) // 40 * 256
const stats10 = new UnitStatList()
stats10.setBaseSkillLevel(53, 10)
const r10 = skillModule.evaluate!({
registry,
skill: skillRec,
slvl: 10,
blvl: 10,
statList: stats10,
})
expect(r10.manaCost).toBe(18)
expect(r10.minElemDmg256).toBe(256)
expect(r10.maxElemDmg256).toBe(36608) // 143 * 256
const stats20 = new UnitStatList()
stats20.setBaseSkillLevel(53, 20)
const r20 = skillModule.evaluate!({
registry,
skill: skillRec,
slvl: 20,
blvl: 20,
statList: stats20,
})
expect(r20.manaCost).toBe(28)
expect(r20.minElemDmg256).toBe(256)
expect(r20.maxElemDmg256).toBe(71936) // 281 * 256
expect(r20.cooldownFrames).toBe(0)
})
})
// =========================================================================
// Dimension 6: Lifecycle, Range 25 Frames, Mana Cost Formula
// =========================================================================
describe('Dimension 6: Lifecycle, Range 25 Frames, Mana Cost Formula', () => {
it('projectile lives exactly 25 ticks in open space and expires on tick 26', () => {
let projectiles: readonly Projectile[] = [
{
skillId: '53',
x: 0,
y: 0,
vx: 30,
vy: 0,
damage: 100,
ttl: 25,
fromPlayer: true,
missileType: 'chainlightning',
chainRemaining: 5,
nextHit: 1,
nextDelay: 4,
},
]
const openTerrain = { overlap: () => 0 }
for (let t = 1; t <= 25; t++) {
const outcome = tickProjectiles(projectiles, [], openTerrain)
expect(outcome.alive.length).toBe(1)
expect(outcome.expired).toBe(0)
projectiles = outcome.alive
}
// Tick 26: expires after completing full 25 ticks of flight
const outcome26 = tickProjectiles(projectiles, [], openTerrain)
expect(outcome26.alive.length).toBe(0)
expect(outcome26.expired).toBe(1)
})
it('verifies getSkillManaCost formula: 9 + (slvl - 1) * 1', () => {
expect(getSkillManaCost(53, 1)).toBe(9)
expect(getSkillManaCost(53, 2)).toBe(10)
expect(getSkillManaCost(53, 3)).toBe(11)
expect(getSkillManaCost(53, 10)).toBe(18)
expect(getSkillManaCost(53, 20)).toBe(28)
expect(getSkillManaCost(53, 30)).toBe(38)
})
it('verifies getSkillCooldownTicks returns 0 frames', () => {
expect(getSkillCooldownTicks(53)).toBe(0)
})
})
// =========================================================================
// Dimension 7: WorldArena & Runtime Cast Integration
// =========================================================================
describe('Dimension 7: WorldArena & Runtime Cast Integration', () => {
it('executes runtime skill effect in WorldArena (castCount, action frame, and combat outcome)', async () => {
const registry = await getSharedDataRegistry()
const arena = new WorldArena({
registry,
classCode: 'sor',
skillId: 53,
slvl: 20,
})
const outcome = arena.triggerCast()
arena.stepTicks(15)
const dbg = arena.getDebugState()
expect(dbg.ready).toBe(true)
expect(dbg.skillId).toBe(53)
expect(dbg.castCount).toBeGreaterThanOrEqual(1)
expect(dbg.actionFrameTriggered).toBe(true)
expect(outcome?.executed).toBe(true)
})
it('verifies skillModule definition and metadata for Chain Lightning (53)', () => {
expect(skillModule.skillId).toBe(53)
expect(skillModule.name).toBe('Chain Lightning')
expect(skillModule.charClass).toBe('sor')
expect(skillModule.srvStFunc).toBe(0)
expect(skillModule.srvDoFunc).toBe(26)
expect(getSkillCastOverlay(53)).toBe('light_cast_1')
expect(SORCERESS_SKILL_CAST_OVERLAYS[53]).toBe('light_cast_1')
expect(getSkillCooldownTicks(53)).toBe(0)
expect(getSkillManaCost(53, 1)).toBe(9)
expect(calculateChainLightningJumps(1)).toBe(5)
})
})
})