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The Virtual File System (VFS) combines multiple directory structures into a single view of the filesystem used to load assets.
- Files in the active mod directory, if any
- Data archives in the active mod directory, if any
- Files in the application's base directory
- Data archives in the application's base directory
The base directory is usually located in the directory of the application EXE and named
base. This location can be overridden in the engine configuration.
The data archives provide a a way to combine the entire game content (maps, scripts, models, textures, ...) into a few large files. This simplifies installation and updating and also reduces the likelihood of users accidentally modifying the content.
The data archives are normal ZIP archives, optionally using a file extensions different from
.zip. They should be stored in uncompressed form to speed up loading processes.