Move ObjRangeAdapter next to the other range adapters.
Create range adapters that work on parent/child objects.
In index_series, offset should apply to each start/end. Not the index.
objOrigin replaces the origin supplied in g00 files.

AFAICT, LB is the only game that uses objOrigin. objOrigin appears to replace
the origin set in the g00 files. This makes the end of Yuiko's path in LB
render better.
Implement GetTitle
Clean up the implementation of index_series to make it reusable.
Implement the next timetable2 command.

It looks like there's a second version which just differs in that its commands
take time since last command instead of absolute time.
Don't clip the shadow on text objects.