Release v0.1.5 2026-07-12

src/game/bosses/mechanicPool.test.ts

@@ -1,8 +1,8 @@
 import { describe, expect, it } from "vitest";
 import { freshParty } from "../data";
 import { createBaseMotion } from "./shared";
-import { advancePooledBossMechanics, POOLED_MECHANIC_TIMING, SOUL_SIPHON } from "./mechanicPool";
-import type { BossMechanicContext, BossMechanicResult } from "./types";
+import { advanceMechanicLoadout, BOSS_MECHANIC_POOL, bossAnimationCue, SOUL_SIPHON } from "./mechanicPool";
+import type { BossMechanicContext } from "./types";
 import type { BossState, PoolTelegraph, WorldPosition } from "../types";
 
 const POSITIONS: BossMechanicContext["partyPositions"] = {
@@ -20,9 +20,6 @@ function state(): BossState {
     maxHp: 500,
     hp: 500,
     nextMeleeAt: Number.POSITIVE_INFINITY,
-    nextNovaAt: Number.POSITIVE_INFINITY,
-    nextBrandAt: Number.POSITIVE_INFINITY,
-    brandCount: 0,
   };
 }
 
@@ -38,10 +35,6 @@ function context(time: number, positions = POSITIONS): BossMechanicContext {
   };
 }
 
-function result(contextValue: BossMechanicContext): BossMechanicResult {
-  return { boss: contextValue.boss, motion: contextValue.motion, party: contextValue.party, events: [] };
-}
-
 function memoryTelegraph(): PoolTelegraph {
   return {
     id: "test-memory",
@@ -79,10 +72,10 @@ function advanceMemory(
   source.party = party;
   source.motion = {
     ...source.motion,
-    nextPoolMechanicAt: Number.POSITIVE_INFINITY,
+    activeMechanicId: "memory-sequence",
     poolTelegraphs: [telegraph],
   };
-  return advancePooledBossMechanics(source, result(source));
+  return advanceMechanicLoadout(source, ["memory-sequence", "bull-charge"]);
 }
 
 function soulSiphonTelegraph(): PoolTelegraph {
@@ -121,21 +114,31 @@ function advanceSoulSiphon(
   source.party = party;
   source.motion = {
     ...source.motion,
-    nextPoolMechanicAt: Number.POSITIVE_INFINITY,
+    activeMechanicId: "soul-siphon",
     poolTelegraphs: [telegraph],
   };
-  return advancePooledBossMechanics(source, result(source));
+  return advanceMechanicLoadout(source, ["soul-siphon", "bull-charge"]);
 }
 
 describe("shared boss mechanic pool", () => {
-  it("schedules a telegraphed pool mechanic and keeps its warning state independent of boss mode", () => {
-    const source = context(POOLED_MECHANIC_TIMING.firstAt);
-    const started = advancePooledBossMechanics(source, result(source));
+  it.each(BOSS_MECHANIC_POOL.filter(({ id }) => id !== "basic-melee"))("starts $name directly from its canonical ID", ({ id }) => {
+    const source = context(0);
+    source.motion.nextMechanicAt = 0;
+    const started = advanceMechanicLoadout(source, [id, id]);
 
-    expect(started.motion.mode).toBe("holding");
+    expect(started.motion.activeMechanicId).toBe(id);
+    expect(["idle", "move", "attack", "special"]).toContain(bossAnimationCue(started.motion));
+  });
+
+  it("schedules the exact mechanic ID selected by a boss loadout", () => {
+    const source = context(0);
+    source.motion.nextMechanicAt = 0;
+    const started = advanceMechanicLoadout(source, ["meteor-spread", "bull-charge"]);
+
+    expect(started.motion.activeMechanicId).toBe("meteor-spread");
     expect(started.motion.poolTelegraphs).not.toHaveLength(0);
     expect(started.events[0].message).toContain(":");
-    expect(started.motion.nextPoolMechanicAt).toBe(Number.POSITIVE_INFINITY);
+    expect(bossAnimationCue(started.motion)).toBe("attack");
   });
 
   it("splits soak damage across allies inside its indicator", () => {
@@ -156,14 +159,14 @@ describe("shared boss mechanic pool", () => {
       resolved: false,
       hitIds: [],
     };
-    const motion = { ...source.motion, nextPoolMechanicAt: Number.POSITIVE_INFINITY, poolTelegraphs: [soak] };
+    const motion = { ...source.motion, activeMechanicId: "aetheric-soak" as const, poolTelegraphs: [soak] };
     const positions = structuredClone(POSITIONS);
     positions.aelia = [0.2, 0];
     positions.brann = [0, 0];
     positions.nia = [-0.2, 0];
     positions.vale = [0, -4];
     const atImpact = { ...source, motion, partyPositions: positions, time: activatesAt };
-    const resolved = advancePooledBossMechanics(atImpact, result(atImpact));
+    const resolved = advanceMechanicLoadout(atImpact, ["aetheric-soak", "bull-charge"]);
 
     expect(resolved.party.find((member) => member.id === "aelia")!.hp).toBe(source.party[0].hp - 30);
     expect(resolved.party.find((member) => member.id === "brann")!.hp).toBe(source.party[1].hp - 30);
@@ -192,11 +195,11 @@ describe("shared boss mechanic pool", () => {
     positions.brann = [3, 0];
     const atImpact = {
       ...source,
-      motion: { ...source.motion, nextPoolMechanicAt: Number.POSITIVE_INFINITY, poolTelegraphs: [donut] },
+      motion: { ...source.motion, activeMechanicId: "hollow-collapse" as const, poolTelegraphs: [donut] },
       partyPositions: positions,
       time: activatesAt,
     };
-    const resolved = advancePooledBossMechanics(atImpact, result(atImpact));
+    const resolved = advanceMechanicLoadout(atImpact, ["hollow-collapse", "bull-charge"]);
 
     expect(resolved.party.find((member) => member.id === "aelia")!.hp).toBe(source.party[0].hp);
     expect(resolved.party.find((member) => member.id === "brann")!.hp).toBe(source.party[1].hp - 25);