diablo2-web/tests/skills/ama/skill-031-freezing-arrow.te...

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6.5 KiB
TypeScript

/**
* 1.13c Numerical & Runtime Verification Suite — Skill #031: Freezing Arrow (AMA)
* Gitea Tracking Issue: #185
*/
import { describe, expect, it } from 'vitest'
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/ama/skill-031-freezing-arrow.ts'
import { calculateFreezingArrowStats } from '../../../src/game/skills/amazon-bow.ts'
describe('[Skill #031] Freezing Arrow (AMA) — 1.13c Parity (Issue #185)', () => {
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(31)!
expect(skillRec).toBeDefined()
expect(skillModule.skillId).toBe(31)
expect(skillModule.name).toBe("Freezing Arrow")
expect(skillModule.charClass).toBe("ama")
const stats1 = new UnitStatList()
stats1.setBaseSkillLevel(31, 1)
const r1 = skillModule.evaluate!({ registry, skill: skillRec, slvl: 1, blvl: 1, statList: stats1 })
expect(r1.manaCost).toBe(9)
expect(r1.manaCost256).toBe(2304)
expect(r1.minPhysDmg).toBe(0)
expect(r1.maxPhysDmg).toBe(0)
expect(r1.minElemDmg256).toBe(10240)
expect(r1.maxElemDmg256).toBe(12800)
const stats10 = new UnitStatList()
stats10.setBaseSkillLevel(31, 10)
const r10 = skillModule.evaluate!({ registry, skill: skillRec, slvl: 10, blvl: 10, statList: stats10 })
expect(r10.manaCost).toBe(13)
expect(r10.manaCost256).toBe(3456)
expect(r10.minPhysDmg).toBe(0)
expect(r10.maxPhysDmg).toBe(0)
expect(r10.minElemDmg256).toBe(35840)
expect(r10.maxElemDmg256).toBe(38400)
const stats20 = new UnitStatList()
stats20.setBaseSkillLevel(31, 20)
const r20 = skillModule.evaluate!({ registry, skill: skillRec, slvl: 20, blvl: 20, statList: stats20 })
expect(r20.manaCost).toBe(18)
expect(r20.manaCost256).toBe(4736)
expect(r20.minPhysDmg).toBe(0)
expect(r20.maxPhysDmg).toBe(0)
expect(r20.minElemDmg256).toBe(79360)
expect(r20.maxElemDmg256).toBe(81920)
expect(r20.durationFrames).toBe(50)
expect(r20.radiusSubtiles).toBe(0)
expect(r20.petMax).toBe(0)
expect(r20.cooldownFrames).toBe(0)
})
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(31)!
const synId = 11
const statsBase = new UnitStatList()
statsBase.setBaseSkillLevel(31, 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(240)
// +20 allskills and +33 Marrowwalk charges without hard points must yield 0 synergy
const statsSoftOnly = new UnitStatList()
statsSoftOnly.setBaseSkillLevel(31, 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: "ama",
skillId: 31,
slvl: 20,
})
const outcome = arena.triggerCast()
arena.stepTicks(15)
const dbg = arena.getDebugState()
expect(dbg.ready).toBe(true)
expect(dbg.skillId).toBe(31)
expect(dbg.castCount).toBeGreaterThanOrEqual(1)
expect(dbg.actionFrameTriggered).toBe(true)
expect(outcome?.executed).toBe(true)
})
it('validates 1.13c calculateFreezingArrowStats pure calculations, splash, and freeze invariants', () => {
// Level 1: 40-50 cold dmg, 80 sub-pixel AoE, 50 frames freeze duration, +40% AR, 9.0 mana
const s1 = calculateFreezingArrowStats(1)
expect(s1.minColdDamage).toBe(40)
expect(s1.maxColdDamage).toBe(50)
expect(s1.radiusPx).toBe(80)
expect(s1.freezeFrames).toBe(50)
expect(s1.toHitBonusPct).toBe(40)
expect(s1.manaCost).toBe(9.0)
// Level 10: 140-150 cold dmg, +121% AR, 13.5 mana
const s10 = calculateFreezingArrowStats(10)
expect(s10.minColdDamage).toBe(140)
expect(s10.maxColdDamage).toBe(150)
expect(s10.freezeFrames).toBe(50)
expect(s10.toHitBonusPct).toBe(121)
expect(s10.manaCost).toBe(13.5)
// Level 20: 310-320 cold dmg, +211% AR, 18.5 mana
const s20 = calculateFreezingArrowStats(20)
expect(s20.minColdDamage).toBe(310)
expect(s20.maxColdDamage).toBe(320)
expect(s20.freezeFrames).toBe(50)
expect(s20.toHitBonusPct).toBe(211)
expect(s20.manaCost).toBe(18.5)
// Synergies: Cold Arrow (+12% cold damage/lvl), Ice Arrow (+5% freeze length/lvl)
const s20Syn = calculateFreezingArrowStats(20, { coldArrow: 20, iceArrow: 20 })
expect(s20Syn.coldSynergyMultiplier).toBe(3.4) // 1 + 20 * 0.12
expect(s20Syn.lenSynergyMultiplier).toBe(2.0) // 1 + 20 * 0.05
expect(s20Syn.minColdDamage).toBe(Math.floor(310 * 3.4))
expect(s20Syn.maxColdDamage).toBe(Math.floor(320 * 3.4))
expect(s20Syn.freezeFrames).toBe(Math.floor(50 * 2.0))
// Monotonicity checks
for (let lvl = 1; lvl < 30; lvl++) {
const cur = calculateFreezingArrowStats(lvl)
const nxt = calculateFreezingArrowStats(lvl + 1)
expect(nxt.minColdDamage).toBeGreaterThanOrEqual(cur.minColdDamage)
expect(nxt.maxColdDamage).toBeGreaterThanOrEqual(cur.maxColdDamage)
expect(nxt.toHitBonusPct).toBeGreaterThan(cur.toHitBonusPct)
expect(nxt.manaCost).toBeGreaterThan(cur.manaCost)
expect(nxt.radiusPx).toBe(80)
}
// Boundary resilience
const sZero = calculateFreezingArrowStats(0)
expect(sZero.minColdDamage).toBe(40)
expect(sZero.manaCost).toBe(9.0)
const sNeg = calculateFreezingArrowStats(-7)
expect(sNeg.minColdDamage).toBe(40)
const sNan = calculateFreezingArrowStats(NaN)
expect(sNan.minColdDamage).toBe(40)
const sFrac = calculateFreezingArrowStats(15.8)
expect(sFrac.minColdDamage).toBe(calculateFreezingArrowStats(15).minColdDamage)
})
})