native get_gamerules_entity(const class, const member, element = 0);
Element to retrieve (starting from 0) if member is an array
Retrieves an entity index from the gamerules object based off a class
and member name.
This native is used to access the following (C++/engine) data types:
classptr, entvars, edict and ehandle.
Entity index if found, -1 otherwise
If member is empty, no offset is found or an invalid offset
is retrieved, or the data type does not match, an error will