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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
45 lines
2 KiB
Markdown
45 lines
2 KiB
Markdown
---
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name: migrate-systems
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description: >
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Trigger: when converting multi-file RunUO engines or systems (crafting, spawners, economy, quests) to ModernUO.
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Covers: system mapping, conversion order, file organization, cross-reference handling.
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---
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# RunUO -> ModernUO Multi-File System Migration
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## When This Activates
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- Converting RunUO systems with multiple interdependent files
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- Converting custom engines (crafting, spawners, economy, quests)
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- Organizing RunUO `Scripts/Custom/` code into ModernUO structure
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## Conversion Order
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1. **Data types / enums** -- Just naming and namespace changes
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2. **Persistence classes** -- `EventSink.WorldSave` -> `GenericPersistence`
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3. **Core entities (Items/Mobiles)** -- Full serialization migration
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4. **Gumps** -- Convert to `DynamicGump`/`StaticGump`
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5. **Commands** -- Usually minimal changes
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6. **Packets** -- Convert to `SpanWriter` if custom packets exist
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7. **Entry point** -- Update Configure/Initialize registration
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## File Organization
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| RunUO | ModernUO |
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|---|---|
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| `Scripts/Custom/MySystem/` | `Projects/UOContent/Engines/MySystem/` or `Projects/UOContent/Systems/MySystem/` |
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| `Scripts/Items/X.cs` | `Projects/UOContent/Items/{Category}/X.cs` |
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| `Scripts/Mobiles/X.cs` | `Projects/UOContent/Mobiles/{Category}/X.cs` |
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| `Scripts/Gumps/X.cs` | `Projects/UOContent/Gumps/X.cs` |
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## Configuration Migration
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| RunUO | ModernUO |
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|---|---|
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| XML config files | `ServerConfiguration.GetOrUpdateSetting()` or `JsonConfig` |
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| Custom .cfg parsing | `ServerConfiguration` for simple, `JsonConfig` for complex |
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## Testing
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After converting: `dotnet build`, fix errors, test [add for items, verify gumps, check persistence across save/restart.
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## See Also
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- `dev-docs/runuo-migration-docs/10-systems-engines.md` -- detailed system migration patterns
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- `dev-docs/configuration.md` -- ModernUO configuration system
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- `dev-docs/claude-skills/modernuo-configuration.md` -- ModernUO configuration skill
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- All other migrate-* skills for system-specific guidance
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