This refactors the object_h struct to store objects as indexes rather than pointers. This is a prerequisite for making the collection of objects dynamic in the future. See also #6100.
Follow-up to #5800 and #5829.
1. Allow setting the homing subsystem if the homing object has already been set
2. Use the `weapon_set_tracking_info` function if setting both object and subsystem, as it handles several important homing things
* Add Animation Instance Flags
* Add SEXP barebones
* Unify and simplify animation parsing
* Clean up animation calling and use new animationlist api
* Add missing break
This adds JSON as an additional scripting documentation output format.
This can be used by external tools to examine the scripting
documentation and generate interface declarations or documentation for
any language. The existing documentation code is left largely in place.
This will automatically call the destructor of a type of Lua calls the
garbage collector for an object of that type. This is the last step
towards fully supporting non-trivial objects in the Lua API and all
previous workarounds have been removed.
Goober5000