Moria Storage | Filesystem Version 2

Three tiers:

• Cache
• Internal (Private)
• External (Public)

Apple iPhone / iPad interactions

• Settings -> General -> iPhone Storage -> Moria
• User may delete "moria.cache"
• User may read/write external storage from macOS Finder

Google Play | Android interactions

• User may "clear cache" under application information
• User is prompted during uninstall before clearing internal & external storage
• User may read/write external storage using a data cable

Device Cache Details

• Stores last played character for seamless resume
• Stores user game options for persistence across sessions
• Enables disaster recovery from bad states
• May be cleared without uninstalling

Interal Storage Details

• 1 saveslot per class
• Resume to midpoint in the dungeon (requires game version match)
• Fastest storage hardware
• Data is safe for direct consumption by the game
• Supports external storage import/export

External Storage Details

• 1 saveslot per class
• Accessible read/write from PC by data cable
• Storage hardware may not be as fast
• Data undergoes validation before consumption by the game
• Characters may be modified by wizard mode editor or character trainer
• Test option to perform write/read/delete cycle to validate access

Apple Programming Details

• NSCachesDirectory - did not use; inaccessible outside of game
• NSApplicationSupportDirectory - internal storage
• NSDocumentDirectory - external storage & "moria.cache"

Android Programming Details

• getCacheDir() - cache
• getFilesDir() - internal storage
• getExternalStorageState() - external storage