Exporting to FiveM

Before you export

Open Problems (the counter in the status bar): fix the errors (red) and read the warnings (amber). The Export window shows the same counts. It tells you, for example:

• that the walls enclose no room yet;
• that a room is sealed (no door, window or opening), or that no door or window leads outside;
• that something stands outside every room and is left out;
• that a model is missing from the project.

Limits

• The game stores a room id in 5 bits, so an interior can have at most 31 rooms.
• Name the interior with letters, digits and _ only, under about 40 characters: the exported file names start with it.

The Export window

File > Export… (Ctrl+E, or the blue Export button in the menu bar) offers three formats:

Format	What it is for
Resource (FiveM)	A built resource folder, ready for the server. This is the one you want.
glTF (.glb)	Raw files for Blender or any glTF tool: the interior with its textures, the collision and a .json with rooms, portals and lights.
CodeWalker XML	.ydr.xml with .dds textures, .ybn.xml, .ytyp.xml, .ymap.xml, to edit in Sollumz or CodeWalker.

glTF and CodeWalker XML cannot be imported back.

Choose a folder. For the resource it is the resource’s folder, and its name is the resource name. Export builds the files in the background and a report lists what was written.

GTA V Legacy and Enhanced

A resource is for the game your server’s players run. For Resource (FiveM), choose Game in the Export window:

Game	What it writes
Legacy (the default)	stream/, as FiveM on GTA V (Legacy) loads it. The same as before.
Enhanced	stream_enhanced/ only. FiveM on GTA V Enhanced loads that folder instead of stream/.
Both	stream/ and stream_enhanced/: one resource that works on either game.

What differs between the two editions and what is shared:

• Written in the Enhanced format: the textures, models and fragments (.ytd, .ydr, .ydd, .yft).
• The same in both and copied: the collision, the .ytyp, the .ymap, the manifest and the occlusion file.

The choice is saved with the project. A walk-in building’s replaced model is the Legacy model written for Enhanced.

Not tried in game yet

The Enhanced and Both exports have not been tried in game yet. If something does not load on GTA V Enhanced, report it.

What is written

File	What it is
stream/<name>_shell.ydr	The shell
stream/<name>_shadow.ydr, stream/<name>_reflect.ydr	Its shadow and reflection proxies
stream/<name>_<room>_details.ydr	One per room: trims, props’ lights, dirt and decals (textures embedded)
stream/<name>.ybn	Collision, with a room id on every polygon
stream/<name>.ytyp	The interior with its rooms and portals
stream/<name>_props.ytyp	Door and prop definitions copied from the game
stream/<name>_milo.ymap	Where it stands
stream/_manifest.ymf	The streaming manifest the game needs (without it, the game crashes on approach)
stream/<hash>.ymt, audio/*.rel	Audio occlusion and per-room audio settings
Other models	Your own props and imports, scaled copies, custom doors, cloth and breakable glass, and (walk-in) the building and map files with the game’s names
fxmanifest.lua	The resource manifest
modlo_teleport.lua	Only for a teleport interior

With Game set to Enhanced the same files go in stream_enhanced/ instead of stream/; with Both they are in both folders.

The Game workspace’s Export report section shows the shell’s statistics after cleanup (vertices, triangles, T-junctions fixed, portals).

On the server

1. Copy the whole resource folder to the server’s resources folder.
2. Add ensure <resource name> to server.cfg.
3. Restart the server (not only the resource) after the first export and after the audio data changes: the game reads audio/*.rel at start.

Exporting again into the same folder replaces the files. Files an earlier export made for map replacements that this one no longer needs are removed.

Step by step: Testing on your FiveM server.

Placing the interior

A World interior is placed at the world position and heading set on the World page. A Walk-in one is placed through its building (see Walk-in buildings). A Teleport one has an entrance and an arrival point. The position is in the project, so re-exporting never moves it.

After the export

Check the report for warnings first. Exported files can be checked in CodeWalker (open the .ytyp and .ymap) before you take them to the server.

Exporting from the command line

The same export runs without the window, for build scripts:

modlo-creator --interior <project>.ieproj --export <folder> [--export-format resource|gltf|xml] [--export-xml]

--export-xml adds CodeWalker XML copies next to the resource. Command-line runs need an activated licence on that computer.