Persistent Parties & Instances

[cybertiger]

The title covers it.

Parties and Instances survive players disconnecting and reconnecting, and also server restarts.

[cybertiger]

This requires a lot of work to achieve.

[OriginalMadman]

Party info could be just dropped into an .yml of its own and have a timer tick down?
Alternatively keep it as now, just not wipe the party because last player disconnected - wait-state for X amount of time. That should be fairly straightforward

The harder part would be saved to disk with everything. I do hope it is not that much and you'll consider it. Thanks! :)

[cybertiger]

Instances save chunks now as part of my fix for #4 (they just don't survive a server restart).