View source for AutoPlacement event flows

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AutoPlacement event flows are used by the [[AutoPlacementMgr]] to determine whether actors should be dynamically spawned without having to hardcode special logic into the executable.

Such event flows are executed by the same event flow engine but with a different environment: only the "AutoPlacement" pseudo-actor is available for actions and queries. Actions and queries are not mapped to AI system functions as with regular event flows, but are entirely handled by the AutoPlacement code.

A single event flow can be used to handle conditions for several actors (for example, AutoPlacement_Animal handles auto placement logic for all animal actors) and may be called several times, each time with a different actor name, which the event flow can check with the [[#EcoAreaActorName]] query. An actor will only be dynamically spawned if CreateData (and NearCreate?{{check}}) is called.