The last system holding a piece of the world as a member. ConstructionSystem and
ProductionSystem take the transport layer as a tick argument; BuildingSystem kept
a BeltSystem& from construction, so the same object arrived two different ways
depending on which system you were reading.
Three methods need it -- deconstruct, cancelDeconstruction and rotateInPlace, all
of which register or unregister a belt tile -- and they now take it after the
state, in the argument order the other systems use. The constructor is down to
the config alone.
CombatSystemTest's fixture kept a BeltSystem only to pass it here, so that goes
too.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Ne3mejABZoLWKLh8fgpM3x
Malte Langkabel
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