Android build v1.1.39

src/modes/iwt2/save/iwt2Repository.ts

@@ -101,14 +101,20 @@ export type Iwt2OnlineSaveResult = {
   save: Iwt2Save | null
 }
 
-const IWT2_SAVE_KEY = 'i-want-to-heal-2:save:v1'
+export const IWT2_LOCAL_SAVE_SLOTS = [1, 2, 3] as const
+export type Iwt2LocalSaveSlot = (typeof IWT2_LOCAL_SAVE_SLOTS)[number]
+export type Iwt2LocalSaveSlots = Record<Iwt2LocalSaveSlot, Iwt2Save | null>
 
-export function createDefaultIwt2Save(): Iwt2Save {
+const IWT2_LEGACY_SAVE_KEY = 'i-want-to-heal-2:save:v1'
+const IWT2_SAVE_MIGRATION_KEY = 'i-want-to-heal-2:save-slots:migrated:v1'
+const IWT2_ACTIVE_SAVE_SLOT_KEY = 'i-want-to-heal-2:active-save-slot:v1'
+
+export function createDefaultIwt2Save(characterName = 'Healer'): Iwt2Save {
   return {
     version: 2,
     updatedAt: Date.now(),
     character: {
-      name: 'Healer',
+      name: normalizeCharacterName(characterName),
       level: 1,
       experience: 0,
       healerStyle: 'dawnweaver',
@@ -153,12 +159,38 @@ function normalizeSave(value: unknown): Iwt2Save {
   }
 }
 
-export function loadIwt2Save(): Iwt2Save {
-  return loadExistingIwt2Save() ?? createDefaultIwt2Save()
+function iwt2SaveSlotKey(slot: Iwt2LocalSaveSlot) {
+  return `i-want-to-heal-2:save:slot-${slot}:v1`
 }
 
-export function loadExistingIwt2Save(): Iwt2Save | null {
-  const serialized = window.localStorage.getItem(IWT2_SAVE_KEY)
+function migrateLegacyIwt2Save() {
+  if (window.localStorage.getItem(IWT2_SAVE_MIGRATION_KEY)) return
+  const legacySave = window.localStorage.getItem(IWT2_LEGACY_SAVE_KEY)
+  const firstSlotKey = iwt2SaveSlotKey(1)
+  if (legacySave && !window.localStorage.getItem(firstSlotKey)) {
+    window.localStorage.setItem(firstSlotKey, legacySave)
+  }
+  window.localStorage.setItem(IWT2_SAVE_MIGRATION_KEY, 'true')
+}
+
+export function activeIwt2SaveSlot(): Iwt2LocalSaveSlot {
+  const stored = Number(window.localStorage.getItem(IWT2_ACTIVE_SAVE_SLOT_KEY))
+  return IWT2_LOCAL_SAVE_SLOTS.includes(stored as Iwt2LocalSaveSlot)
+    ? stored as Iwt2LocalSaveSlot
+    : 1
+}
+
+export function selectActiveIwt2SaveSlot(slot: Iwt2LocalSaveSlot) {
+  window.localStorage.setItem(IWT2_ACTIVE_SAVE_SLOT_KEY, String(slot))
+}
+
+export function loadIwt2Save(slot = activeIwt2SaveSlot()): Iwt2Save {
+  return loadExistingIwt2Save(slot) ?? createDefaultIwt2Save()
+}
+
+export function loadExistingIwt2Save(slot = activeIwt2SaveSlot()): Iwt2Save | null {
+  migrateLegacyIwt2Save()
+  const serialized = window.localStorage.getItem(iwt2SaveSlotKey(slot))
   if (!serialized) return null
   try {
     return normalizeSave(JSON.parse(serialized))
@@ -167,6 +199,14 @@ export function loadExistingIwt2Save(): Iwt2Save | null {
   }
 }
 
+export function loadIwt2SaveSlots(): Iwt2LocalSaveSlots {
+  return {
+    1: loadExistingIwt2Save(1),
+    2: loadExistingIwt2Save(2),
+    3: loadExistingIwt2Save(3),
+  }
+}
+
 export async function loadIwt2OnlineSave(): Promise<Iwt2OnlineSaveResult> {
   const result = await requestGameApiJson<{ save: unknown | null }>('/api/iwt2/sync-save')
   return {
@@ -185,12 +225,12 @@ export async function writeIwt2OnlineSave(save: Iwt2Save): Promise<Iwt2OnlineSav
   }
 }
 
-export function writeIwt2Save(save: Iwt2Save) {
-  replaceIwt2Save(save)
+export function writeIwt2Save(save: Iwt2Save, slot = activeIwt2SaveSlot()) {
+  replaceIwt2Save(save, slot)
 }
 
-export function replaceIwt2Save(save: Iwt2Save) {
-  window.localStorage.setItem(IWT2_SAVE_KEY, JSON.stringify(normalizeSave(save)))
+export function replaceIwt2Save(save: Iwt2Save, slot = activeIwt2SaveSlot()) {
+  window.localStorage.setItem(iwt2SaveSlotKey(slot), JSON.stringify(normalizeSave(save)))
 }
 
 export function recordIwt2BossKill(