Replace a Server-Side Vehicle in FiveM

This guide walks you through replacing a server-side vehicle model in FiveM, meaning the vehicle is defined and spawned by the server rather than the client. This is common for custom vehicles, police cars, or roleplay server fleets. You’ll need basic file management skills and access to your server’s resources folder.

What You’ll Need

• Access to your FiveM server files (via FTP, host panel, or local installation).
• A text editor like Notepad++ or VS Code.
• The replacement vehicle’s model files (usually a .yft, .ytd, and sometimes .meta files) in a folder.
• Basic understanding of FiveM resource structure (fxmanifest.lua or __resource.lua).

Step-by-Step

1. Identify the vehicle you want to replace. Note its in-game spawn name (e.g., ‘police’, ‘adder’). You’ll need this exact name for the replacement.
2. Create a new resource folder in your server’s resources directory. Name it something descriptive like my-police-replacement.
3. Place your replacement vehicle files inside this folder. Typically you’ll have a .yft (model), .ytd (textures), and possibly a .meta file (handling, vehicle layout).
4. Create the fxmanifest.lua file (or __resource.lua if you’re on an older server). Open it in your text editor.
5. Declare the resource. Add the following lines:

   fx_version 'cerulean'
       game 'gta5'
       author 'YourName'
       description 'Vehicle Replacement'
       version '1.0.0'

6. Add the data file entry. If you have a .meta file, add:

   data_file 'VEHICLE_METADATA_FILE' 'files/vehicle.meta'

   Replace ‘files/vehicle.meta’ with the actual path to your .meta file inside the resource.

7. Tell FiveM to load the model files. Add:

   files {
         'stream/vehicle.yft',
         'stream/vehicle.ytd'
       }

   Adjust paths to match your file locations.

8. Create the replacement logic. Add a server script (e.g., server.lua) and include it in the manifest:

   server_script 'server.lua'

   In server.lua, use a resource start event to replace the vehicle model. For example, to replace the ‘police’ vehicle:

   CreateThread(function()
         Wait(1000)
         local model = GetHashKey('police')
         if IsModelInCdimage(model) then
           -- Replace the model with your custom one
           -- This is a simplified example; you may need to use SetVehicleModel or similar
           SetModelIsValidForPed(model, true)
           print('Replaced police vehicle with custom model')
         end
       end)

   Note: The exact API calls depend on how your replacement is structured. Some use SetVehicleModel or SetModelIsValidForPed.

9. Add the resource to your server.cfg. Ensure the resource is started by adding ensure my-police-replacement to your server.cfg.
10. Restart your server. Test by spawning the vehicle (e.g., /spawn police) to see if the replacement works.

Common Mistakes

• Incorrect file paths: Double-check that the paths in your fxmanifest match the actual folder structure.
• Missing meta files: If your vehicle has custom handling, you must include the .meta file and declare it as a data file.
• Using client-side scripts for server-side replacement: Server-side replacement requires server scripts, not client ones.
• Not restarting the resource: After changes, you must restart the resource or the server for changes to take effect.

Tips

• Always backup your original vehicle files before replacing.
• Use a resource name that doesn’t conflict with existing ones.
• Test on a development server first to avoid disrupting live gameplay.
• If your replacement involves handling changes, ensure the .meta file is correctly formatted to avoid crashes.

Troubleshooting

• Vehicle doesn’t appear: Check the server console for errors. Ensure the model files are in the correct location and the fxmanifest is valid.
• Game crashes when spawning: Likely a model or texture issue. Verify the .yft and .ytd are compatible with GTA V and FiveM.
• Vehicle spawns but is invisible: Missing textures or incorrect .ytd. Ensure the texture dictionary matches the model.
• Server won’t start: Check for syntax errors in fxmanifest.lua or server.lua. Use a Lua linter.

Frequently Asked Questions

• Can I replace a vehicle without a .meta file? Yes, but you’ll lose custom handling. The vehicle will use default handling.
• Do I need to replace both .yft and .ytd? Yes, the .yft is the model and .ytd are textures. Missing one will cause issues.
• How do I find the spawn name of a vehicle? You can use the in-game console or a vehicle list from the GTA V game files.
• Will this work on a client-side resource? No, this guide is specifically for server-side replacement. Client-side replacement uses different methods.
• Can I replace a vehicle that is used by NPCs? Yes, the replacement will affect all instances of that vehicle model.
• Is it possible to revert the replacement? Yes, simply remove or disable the resource and restart the server.

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