code/modules/localassets/localasset.dm 
| /_is_abstract/datum/asset | Base asset type |
|---|---|
| /_is_abstract/datum/asset/basic | Basic assets |
| /_is_abstract/datum/asset/group | For grouping multiple assets together |
| /proc/get_assets | Returns either the already-created asset or creates a new one and returns it |
| /proc/send_assets | Sends the list of asset files to client if they're needed |