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## Summary Adds comprehensive RunUO → ModernUO migration documentation and Claude AI skills to help shard owners and script authors convert RunUO 2.7 code to ModernUO. - **10 migration skills** (`dev-docs/claude-skills/migrate-from-runuo/`) — system-by-system conversion guides (foundation, serialization, timers, gumps, packets, property lists, commands/events, persistence, items/mobiles, systems/engines) - **12 reference docs** (`dev-docs/runuo-migration-docs/`) — deep-reference with before/after examples, API mapping tables, edge cases, and gotchas - **Updated existing skills** — `modernuo-timers`, `modernuo-serialization`, and `modernuo-threading` now document that `Serialize()` runs on background threads and timers are not thread-safe - **Updated `CLAUDE.md`** — added migration skill lookup table ### Key migration patterns covered - Manual `Serialize()`/`Deserialize()` → source-generated `[SerializableField]` - `Packet` class hierarchy → static `SpanWriter`/`SpanReader` methods - `Timer` subclasses → `TimerExecutionToken` fire-and-forget - `Gump` → `StaticGump<T>`/`DynamicGump` with builders - `EventSink.WorldSave` → `GenericPersistence` - `ObjectPropertyList` → `IPropertyList` with string hole rules - Universal changes: naming (`m_` → `_`), `[Constructable]` → `[Constructible]`, logging, spatial queries
42 lines
1.9 KiB
Markdown
42 lines
1.9 KiB
Markdown
---
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name: migrate-persistence
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description: >
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Trigger: when converting RunUO EventSink.WorldSave/WorldLoad manual binary persistence to ModernUO GenericPersistence.
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Covers: GenericPersistence subclassing, IGenericWriter/IGenericReader, MarkDirty pattern.
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---
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# RunUO -> ModernUO Persistence Migration
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## When This Activates
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- Converting `EventSink.WorldSave`/`EventSink.WorldLoad` patterns
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- Converting manual `BinaryFileWriter`/`BinaryFileReader` persistence
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- Systems that save custom data outside of Item/Mobile serialization
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## Conversion Steps
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1. Create class inheriting `GenericPersistence`: `class MySystem : GenericPersistence`
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2. Add static instance + `Configure()`: `_instance = new MySystem();`
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3. Call `base("SaveName", 10)` in constructor
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4. Move save logic to `override Serialize(IGenericWriter writer)`
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5. Move load logic to `override Deserialize(IGenericReader reader)`
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6. Remove `EventSink.WorldSave`/`WorldLoad` subscriptions
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7. Remove all file management code (Directory.Create, File.Exists, FileStream)
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8. Add `_instance.MarkDirty()` wherever data changes
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9. Replace `writer.Write(mobile.Serial.Value)` -> `writer.Write(mobile)`
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10. Replace `World.FindMobile(reader.ReadInt32())` -> `reader.ReadEntity<Mobile>()`
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## Template
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```csharp
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public class MySystem : GenericPersistence
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{
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private static MySystem _instance;
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public static void Configure() => _instance = new MySystem();
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public MySystem() : base("MySystem", 10) { }
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public override void Serialize(IGenericWriter writer) { /* save */ }
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public override void Deserialize(IGenericReader reader) { /* load */ }
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}
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```
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## See Also
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- `dev-docs/runuo-migration-docs/08-persistence.md` -- detailed migration reference with before/after
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- `dev-docs/serialization.md` -- ModernUO serialization system (IGenericWriter/IGenericReader)
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- `dev-docs/claude-skills/modernuo-serialization.md` -- ModernUO serialization skill
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