Feature layer slot index in HexMap.featureData. Must be unique per map.
OptionalallowedIf set, only cells whose terrain type index is in this list can host this scatter.
OptionaltiltRandom X/Z tilt applied to each instance matrix (radians). 0 = upright only.
OptionalthresholdsOwn density curve; omit for the shared default. See ScatterThresholds.
Runtime scatter definition consumed by
ChunkManagerandbuildScatterMeshes.Can be built two ways:
tiers(procedural geometry, demo/test use).resolveScatterDefinition(descriptor, registry)at load time.