We can accomplish the same thing simply by saving a copy of part or all of the property tree and then reverting to it, without creating a separate, parallel hierarchy of properties for initial conditions.
In this scheme, how would you specify initial conditions? You'd still need some way to do that?
Write the initial conditions directly into the main property tree. We would need to hold onto a few properties to say which setting to use (say, for location), but this system in general should work much better, since cannot predict what properties any given vehicle might need to preserve on a reset. Essentially, a reset is nothing more than an in-memory save/restore.
All the best,
David
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