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SA MP & open.mp Integration
Caner Karaca edited this page Sep 15, 2026
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ModelExtras v3.0+ provides native, built-in compatibility for SA-MP (San Andreas Multiplayer) and open.mp, ensuring vehicle visual enhancements, custom emergency lighting, sound effects, and server-side features work seamlessly in online multiplayer.
ModelExtras automatically detects samp.dll in the game process and resolves memory offsets for all major SA-MP client releases:
- SA-MP 0.3.7-R1
- SA-MP 0.3.7-R3
- SA-MP 0.3.7-R5
- SA-MP 0.3.DL
- open.mp
No separate patch or external compatibility plugin is needed.
- When connected to a SA-MP or open.mp server, ModelExtras automatically queries the server-assigned license plate text (
SetVehicleNumberPlate) directly from the multiplayer vehicle pool. - Renders crisp, high-definition 3D font text onto the vehicle plate mesh with custom backgrounds.
- Preserves plate text visibility at long distances without LOD flickering or disappearing.
- ModelExtras applies an engine patch preventing SA-MP from erroneously resetting vehicle light states on streamed vehicles.
- Full support for indicators, headlights, reverse lights, brake lights, fog lights, and sirens across all local and remote player vehicles.
- In multiplayer mode, the IVF-style custom carcols override is safely bypassed to prevent memory conflicts with server-side vehicle color tables and remote color synchronization.
Server developers and client plugin creators can utilize the Developer API (ModelExtrasAPI.h) from client-side plugins (CLEO, MoonLoader Lua, or ASI) to trigger lights, sirens, plates, and animations based on server packet events.