2026-03-16 00:06:11 +00:00
7 changed files with 393 additions and 3 deletions
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -12,6 +12,7 @@ import {
  startCombatInCurrentRoom,
  travelCurrentExit,
 } from "@/rules/runState";
+import { queueTreasureForSale, sellPendingTreasure, sendTreasureToStash } from "@/rules/town";
 import type { RunState } from "@/types/state";

 function createDemoRun() {
@@ -114,6 +115,8 @@ function App() {
  );
  const equippedItems = run.adventurerSnapshot.inventory.equipped;
  const latestLoot = run.lootedItems.slice(-4).reverse();
+  const pendingSales = run.townState.pendingSales;
+  const stash = run.townState.stash;

  const handleReset = () => {
    setRun(createDemoRun());
@@ -156,6 +159,18 @@ function App() {
    );
  };

+  const handleQueueSale = (definitionId: string) => {
+    setRun((previous) => queueTreasureForSale(sampleContentPack, previous, definitionId).run);
+  };
+
+  const handleStashTreasure = (definitionId: string) => {
+    setRun((previous) => sendTreasureToStash(sampleContentPack, previous, definitionId).run);
+  };
+
+  const handleSellPending = () => {
+    setRun((previous) => sellPendingTreasure(sampleContentPack, previous).run);
+  };
+
  return (
    <main className="app-shell">
      <section className="hero">
@@ -335,6 +350,91 @@ function App() {
          </div>
        </article>

+        <article className="panel panel-town">
+          <div className="panel-header">
+            <h2>Town Market</h2>
+            <span>{run.townState.visits} town actions</span>
+          </div>
+          <div className="town-summary">
+            <div className="inventory-badge">
+              <span>Known Services</span>
+              <strong>{run.townState.knownServices.length}</strong>
+            </div>
+            <div className="inventory-badge">
+              <span>Queued Sales</span>
+              <strong>{pendingSales.length}</strong>
+            </div>
+            <div className="inventory-badge">
+              <span>Stash</span>
+              <strong>{stash.length}</strong>
+            </div>
+          </div>
+          <div className="town-actions">
+            <button
+              className="button button-primary"
+              onClick={handleSellPending}
+              disabled={pendingSales.length === 0}
+            >
+              Sell Queued Treasure
+            </button>
+          </div>
+          <section className="town-section">
+            <span className="inventory-label">Treasure In Pack</span>
+            <div className="inventory-list">
+              {carriedTreasure.length === 0 ? (
+                <p className="supporting-text">No treasure available for town actions.</p>
+              ) : (
+                carriedTreasure.map((entry) => (
+                  <article key={`town-pack-${entry.definitionId}`} className="town-card">
+                    <div>
+                      <strong>{formatInventoryEntry(entry.definitionId, entry.quantity)}</strong>
+                      <span>Choose whether to sell or stash this treasure.</span>
+                    </div>
+                    <div className="enemy-actions">
+                      <button className="button" onClick={() => handleStashTreasure(entry.definitionId)}>
+                        Send To Stash
+                      </button>
+                      <button className="button button-primary" onClick={() => handleQueueSale(entry.definitionId)}>
+                        Queue For Sale
+                      </button>
+                    </div>
+                  </article>
+                ))
+              )}
+            </div>
+          </section>
+          <section className="town-section">
+            <span className="inventory-label">Pending Sales</span>
+            <div className="inventory-list">
+              {pendingSales.length === 0 ? (
+                <p className="supporting-text">Nothing queued at the market.</p>
+              ) : (
+                pendingSales.map((entry) => (
+                  <article key={`pending-${entry.definitionId}`} className="inventory-card inventory-card-treasure">
+                    <strong>{formatInventoryEntry(entry.definitionId, entry.quantity)}</strong>
+                    <span>Ready to convert into gold</span>
+                  </article>
+                ))
+              )}
+            </div>
+          </section>
+          <section className="town-section">
+            <span className="inventory-label">Town Stash</span>
+            <div className="inventory-list">
+              {stash.length === 0 ? (
+                <p className="supporting-text">The stash is empty.</p>
+              ) : (
+                stash.map((entry) => (
+                  <article key={`stash-${entry.definitionId}`} className="inventory-card">
+                    <strong>{formatInventoryEntry(entry.definitionId, entry.quantity)}</strong>
+                    <span>Held safely in town storage</span>
+                  </article>
+                ))
+              )}
+            </div>
+          </section>
+        </article>
+
        <article className="panel">
          <div className="panel-header">
            <h2>Current Room</h2>
--- a/src/rules/runState.ts
+++ b/src/rules/runState.ts
@@ -10,6 +10,7 @@ import { findCreatureById } from "@/data/contentHelpers";

 import { startCombatFromRoom } from "./combat";
 import { resolveCombatLoot } from "./loot";
+import { createInitialTownState } from "./town";
 import {
  resolveEnemyTurn,
  resolvePlayerAttack,
@@ -164,6 +165,13 @@ function cloneRun(run: RunState): RunState {
      globalFlags: [...run.dungeon.globalFlags],
    },
    activeCombat: run.activeCombat ? cloneCombat(run.activeCombat) : undefined,
+    townState: {
+      ...run.townState,
+      knownServices: [...run.townState.knownServices],
+      stash: run.townState.stash.map((entry) => ({ ...entry })),
+      pendingSales: run.townState.pendingSales.map((entry) => ({ ...entry })),
+      serviceFlags: [...run.townState.serviceFlags],
+    },
    defeatedCreatureIds: [...run.defeatedCreatureIds],
    xpGained: run.xpGained,
    goldGained: run.goldGained,
@@ -336,6 +344,7 @@ export function createRunState(options: CreateRunOptions): RunState {
      globalFlags: [],
    },
    adventurerSnapshot: options.adventurer,
+    townState: createInitialTownState(),
    defeatedCreatureIds: [],
    xpGained: 0,
    goldGained: 0,
--- a/src/rules/town.test.ts
+++ b/src/rules/town.test.ts
@@ -0,0 +1,74 @@
+import { describe, expect, it } from "vitest";
+
+import { sampleContentPack } from "@/data/sampleContentPack";
+
+import { createStartingAdventurer } from "./character";
+import { createRunState } from "./runState";
+import { queueTreasureForSale, sellPendingTreasure, sendTreasureToStash } from "./town";
+
+function createAdventurer() {
+  return createStartingAdventurer(sampleContentPack, {
+    name: "Aster",
+    weaponId: "weapon.short-sword",
+    armourId: "armour.leather-vest",
+    scrollId: "scroll.lesser-heal",
+  });
+}
+
+describe("town flow", () => {
+  it("moves treasure from carried inventory into the stash", () => {
+    const run = createRunState({
+      content: sampleContentPack,
+      campaignId: "campaign.1",
+      adventurer: createAdventurer(),
+    });
+
+    run.adventurerSnapshot.inventory.carried.push({
+      definitionId: "item.silver-clasp",
+      quantity: 1,
+    });
+
+    const result = sendTreasureToStash(
+      sampleContentPack,
+      run,
+      "item.silver-clasp",
+      "2026-03-15T15:00:00.000Z",
+    );
+
+    expect(result.run.townState.stash).toEqual([
+      { definitionId: "item.silver-clasp", quantity: 1 },
+    ]);
+    expect(result.run.adventurerSnapshot.inventory.carried).not.toEqual(
+      expect.arrayContaining([expect.objectContaining({ definitionId: "item.silver-clasp" })]),
+    );
+  });
+
+  it("queues treasure and sells it for item value", () => {
+    const run = createRunState({
+      content: sampleContentPack,
+      campaignId: "campaign.1",
+      adventurer: createAdventurer(),
+    });
+
+    run.adventurerSnapshot.inventory.carried.push({
+      definitionId: "item.keeper-keyring",
+      quantity: 1,
+    });
+
+    const queued = queueTreasureForSale(
+      sampleContentPack,
+      run,
+      "item.keeper-keyring",
+      "2026-03-15T15:05:00.000Z",
+    ).run;
+    const sold = sellPendingTreasure(
+      sampleContentPack,
+      queued,
+      "2026-03-15T15:06:00.000Z",
+    ).run;
+
+    expect(sold.townState.pendingSales).toEqual([]);
+    expect(sold.adventurerSnapshot.inventory.currency.gold).toBe(5);
+    expect(sold.log.at(-1)?.text).toContain("for 5 gold");
+  });
+});
--- a/src/rules/town.ts
+++ b/src/rules/town.ts
@@ -0,0 +1,165 @@
+import { findItemById } from "@/data/contentHelpers";
+import type { ContentPack } from "@/types/content";
+import type { InventoryEntry, RunState, TownState } from "@/types/state";
+import type { LogEntry } from "@/types/rules";
+
+export type TownActionResult = {
+  run: RunState;
+  logEntries: LogEntry[];
+};
+
+function cloneTownState(townState: TownState): TownState {
+  return {
+    ...townState,
+    knownServices: [...townState.knownServices],
+    stash: townState.stash.map((entry) => ({ ...entry })),
+    pendingSales: townState.pendingSales.map((entry) => ({ ...entry })),
+    serviceFlags: [...townState.serviceFlags],
+  };
+}
+
+function cloneRun(run: RunState): RunState {
+  return {
+    ...run,
+    adventurerSnapshot: {
+      ...run.adventurerSnapshot,
+      hp: { ...run.adventurerSnapshot.hp },
+      stats: { ...run.adventurerSnapshot.stats },
+      favour: { ...run.adventurerSnapshot.favour },
+      statuses: run.adventurerSnapshot.statuses.map((status) => ({ ...status })),
+      inventory: {
+        ...run.adventurerSnapshot.inventory,
+        carried: run.adventurerSnapshot.inventory.carried.map((entry) => ({ ...entry })),
+        equipped: run.adventurerSnapshot.inventory.equipped.map((entry) => ({ ...entry })),
+        stored: run.adventurerSnapshot.inventory.stored.map((entry) => ({ ...entry })),
+        currency: { ...run.adventurerSnapshot.inventory.currency },
+        lightSources: run.adventurerSnapshot.inventory.lightSources.map((entry) => ({ ...entry })),
+      },
+      progressionFlags: [...run.adventurerSnapshot.progressionFlags],
+      manoeuvreIds: [...run.adventurerSnapshot.manoeuvreIds],
+    },
+    townState: cloneTownState(run.townState),
+    defeatedCreatureIds: [...run.defeatedCreatureIds],
+    lootedItems: run.lootedItems.map((entry) => ({ ...entry })),
+    log: run.log.map((entry) => ({ ...entry, relatedIds: entry.relatedIds ? [...entry.relatedIds] : undefined })),
+    pendingEffects: run.pendingEffects.map((effect) => ({ ...effect })),
+  };
+}
+
+function mergeEntry(entries: InventoryEntry[], entry: InventoryEntry) {
+  const existing = entries.find((candidate) => candidate.definitionId === entry.definitionId);
+
+  if (existing) {
+    existing.quantity += entry.quantity;
+    return;
+  }
+
+  entries.push({ ...entry });
+}
+
+function extractEntry(entries: InventoryEntry[], definitionId: string) {
+  const index = entries.findIndex((entry) => entry.definitionId === definitionId);
+
+  if (index === -1) {
+    throw new Error(`No inventory entry found for ${definitionId}.`);
+  }
+
+  const [removed] = entries.splice(index, 1);
+  return removed;
+}
+
+function createTownLog(id: string, at: string, text: string, relatedIds: string[]): LogEntry {
+  return {
+    id,
+    at,
+    type: "town",
+    text,
+    relatedIds,
+  };
+}
+
+export function createInitialTownState(): TownState {
+  return {
+    visits: 0,
+    knownServices: ["service.market"],
+    stash: [],
+    pendingSales: [],
+    serviceFlags: [],
+  };
+}
+
+export function sendTreasureToStash(
+  content: ContentPack,
+  run: RunState,
+  definitionId: string,
+  at = new Date().toISOString(),
+): TownActionResult {
+  const nextRun = cloneRun(run);
+  const removed = extractEntry(nextRun.adventurerSnapshot.inventory.carried, definitionId);
+  mergeEntry(nextRun.townState.stash, removed);
+  nextRun.townState.visits += 1;
+  const item = findItemById(content, definitionId);
+  const logEntry = createTownLog(
+    `town.stash.${definitionId}.${nextRun.log.length + 1}`,
+    at,
+    `Moved ${item.name} into the town stash.`,
+    [definitionId],
+  );
+  nextRun.log.push(logEntry);
+
+  return { run: nextRun, logEntries: [logEntry] };
+}
+
+export function queueTreasureForSale(
+  content: ContentPack,
+  run: RunState,
+  definitionId: string,
+  at = new Date().toISOString(),
+): TownActionResult {
+  const nextRun = cloneRun(run);
+  const removed = extractEntry(nextRun.adventurerSnapshot.inventory.carried, definitionId);
+  mergeEntry(nextRun.townState.pendingSales, removed);
+  nextRun.townState.visits += 1;
+  const item = findItemById(content, definitionId);
+  const logEntry = createTownLog(
+    `town.queue.${definitionId}.${nextRun.log.length + 1}`,
+    at,
+    `Queued ${item.name} for sale at the market.`,
+    [definitionId],
+  );
+  nextRun.log.push(logEntry);
+
+  return { run: nextRun, logEntries: [logEntry] };
+}
+
+export function sellPendingTreasure(
+  content: ContentPack,
+  run: RunState,
+  at = new Date().toISOString(),
+): TownActionResult {
+  const nextRun = cloneRun(run);
+  const soldEntries = nextRun.townState.pendingSales;
+  const goldEarned = soldEntries.reduce((total, entry) => {
+    const item = findItemById(content, entry.definitionId);
+    return total + (item.valueGp ?? 0) * entry.quantity;
+  }, 0);
+
+  nextRun.adventurerSnapshot.inventory.currency.gold += goldEarned;
+  nextRun.townState.pendingSales = [];
+  nextRun.townState.visits += 1;
+
+  const soldText =
+    soldEntries.length === 0
+      ? "No treasure was queued for sale."
+      : `Sold ${soldEntries.reduce((total, entry) => total + entry.quantity, 0)} treasure item${soldEntries.reduce((total, entry) => total + entry.quantity, 0) === 1 ? "" : "s"} for ${goldEarned} gold.`;
+
+  const logEntry = createTownLog(
+    `town.sell.${nextRun.log.length + 1}`,
+    at,
+    soldText,
+    soldEntries.map((entry) => entry.definitionId),
+  );
+  nextRun.log.push(logEntry);
+
+  return { run: nextRun, logEntries: [logEntry] };
+}
--- a/src/schemas/state.ts
+++ b/src/schemas/state.ts
@@ -214,6 +214,7 @@ export const runStateSchema = z.object({
  dungeon: dungeonStateSchema,
  adventurerSnapshot: adventurerStateSchema,
  activeCombat: combatStateSchema.optional(),
+  townState: townStateSchema,
  defeatedCreatureIds: z.array(z.string()),
  xpGained: z.number().int().nonnegative(),
  goldGained: z.number().int().nonnegative(),
--- a/src/styles.css
+++ b/src/styles.css
@@ -159,6 +159,13 @@ select {
    rgba(25, 19, 16, 0.9);
 }

+.panel-town {
+  grid-column: span 4;
+  background:
+    linear-gradient(180deg, rgba(32, 37, 24, 0.92), rgba(20, 22, 14, 0.92)),
+    rgba(25, 19, 16, 0.9);
+}
+
 .panel-log {
  grid-column: span 12;
 }
@@ -229,12 +236,14 @@ select {
 }

 .inventory-summary,
-.inventory-grid {
+.inventory-grid,
+.town-summary {
  display: grid;
  gap: 0.75rem;
 }

-.inventory-summary {
+.inventory-summary,
+.town-summary {
  grid-template-columns: repeat(4, minmax(0, 1fr));
 }

@@ -250,6 +259,36 @@ select {
    linear-gradient(180deg, rgba(255, 245, 223, 0.04), rgba(255, 245, 223, 0.02));
 }

+.town-section {
+  margin-top: 1rem;
+  padding-top: 1rem;
+  border-top: 1px solid rgba(255, 231, 196, 0.08);
+}
+
+.town-actions {
+  margin-top: 1rem;
+}
+
+.town-card {
+  display: grid;
+  gap: 0.75rem;
+  padding: 0.95rem;
+  border: 1px solid rgba(255, 231, 196, 0.08);
+  background: rgba(255, 245, 223, 0.04);
+}
+
+.town-card strong {
+  display: block;
+  color: #fff2d6;
+}
+
+.town-card span {
+  display: block;
+  margin-top: 0.25rem;
+  color: rgba(244, 239, 227, 0.62);
+  font-size: 0.84rem;
+}
+
 .inventory-label {
  display: block;
  margin-bottom: 0.7rem;
@@ -481,7 +520,8 @@ select {
  }

  .inventory-summary,
-  .inventory-grid {
+  .inventory-grid,
+  .town-summary {
    grid-template-columns: 1fr;
  }
 }
--- a/src/types/state.ts
+++ b/src/types/state.ts
@@ -215,6 +215,7 @@ export type RunState = {
  dungeon: DungeonState;
  adventurerSnapshot: AdventurerState;
  activeCombat?: CombatState;
+  townState: TownState;
  defeatedCreatureIds: string[];
  xpGained: number;
  goldGained: number;