LukasandClaude Opus 5
be3778a0c9
A D&D stat block opened for a combatant now offers a Min/Avg/Max toggle below the Hit Points line, deriving both ends from the Hit Dice formula (3d6 + 6 -> 9 / 16 / 24). The switch is applied as a delta, so manual HP edits and damage already taken survive it. Unlike the PF2e weak/elite adjustment this is a convenience tool, not a rules mechanic: nothing but HP changes and the combatant is not renamed. The toggle is hidden when the HP field carries prose instead of a dice pool. Also extracts a SegmentedControl primitive. Game system, theme and the PF2e weak/elite toggle were three hand-rolled copies of the same markup, which is why the D&D toggle first came out chunkier and in the wrong accent color. All four now share one definition, and segments expose aria-pressed instead of signalling the active state by color alone. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
96 lines
2.5 KiB
TypeScript
96 lines
2.5 KiB
TypeScript
import type { HpRange, HpVariant } from "@initiative/domain";
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import {
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combatantId,
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creatureId,
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EMPTY_UNDO_REDO_STATE,
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} from "@initiative/domain";
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import { describe, expect, it } from "vitest";
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import { type EncounterState, encounterReducer } from "../use-encounter.js";
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// An ogre with 3d6 + 6 hit points.
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const RANGE: HpRange = { min: 9, average: 16, max: 24 };
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function stateWithCreature(
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maxHp: number,
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currentHp: number,
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hpVariant?: HpVariant,
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): EncounterState {
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return {
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encounter: {
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combatants: [
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{
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id: combatantId("c-1"),
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name: "Ogre",
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maxHp,
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currentHp,
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creatureId: creatureId("mm:ogre"),
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...(hpVariant !== undefined && { hpVariant }),
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},
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],
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activeIndex: 0,
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roundNumber: 1,
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},
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undoRedoState: EMPTY_UNDO_REDO_STATE,
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events: [],
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nextId: 1,
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lastCreatureId: null,
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};
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}
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function setVariant(state: EncounterState, variant: HpVariant | undefined) {
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return encounterReducer(state, {
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type: "set-hp-variant",
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id: combatantId("c-1"),
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variant,
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range: RANGE,
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});
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}
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describe("set-hp-variant", () => {
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it("raises max HP to the maximum roll and stores the variant", () => {
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const next = setVariant(stateWithCreature(16, 16), "max");
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const c = next.encounter.combatants[0];
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expect(c.maxHp).toBe(24);
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expect(c.currentHp).toBe(24);
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expect(c.hpVariant).toBe("max");
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});
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it("lowers max HP to the minimum roll", () => {
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const next = setVariant(stateWithCreature(16, 16), "min");
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const c = next.encounter.combatants[0];
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expect(c.maxHp).toBe(9);
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expect(c.hpVariant).toBe("min");
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});
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it("returns to the average and clears the variant", () => {
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const next = setVariant(stateWithCreature(24, 24, "max"), undefined);
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const c = next.encounter.combatants[0];
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expect(c.maxHp).toBe(16);
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expect(c.hpVariant).toBeUndefined();
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});
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it("does not rename the combatant", () => {
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const next = setVariant(stateWithCreature(16, 16), "max");
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expect(next.encounter.combatants[0].name).toBe("Ogre");
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});
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it("is undoable", () => {
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const start = stateWithCreature(16, 16);
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const next = setVariant(start, "max");
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const undone = encounterReducer(next, { type: "undo" });
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expect(undone.encounter.combatants[0].maxHp).toBe(16);
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expect(undone.encounter.combatants[0].hpVariant).toBeUndefined();
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});
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it("leaves state untouched for an unknown combatant", () => {
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const start = stateWithCreature(16, 16);
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const next = encounterReducer(start, {
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type: "set-hp-variant",
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id: combatantId("c-99"),
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variant: "max",
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range: RANGE,
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});
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expect(next).toBe(start);
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});
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});
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