This mostly change player to be by reference instead of by index.
But additionally it does stript checks for gold in the belt, move some
value types to the initialization and short circute a few functiongs.
`std::make_unique<T[]>(size)` always zero-initalizes the array.
C++20 has `std::make_unique_for_overwrite` to avoid that, while
older C++ versions can use the approach applied here.
No longer needed as of #1796
We could probably go further and not expose `ItemAnimWidth`,
but it'd be dangerous because sometimes `_iAnimData` is null.
Missiles _mimfnum is being used for a lot more then just directions and
can also be a 16 degree direction so can't apply enum verbs and
restricitons to it in most cases. This in turns also affects SetMissDir
and some other functions that have to stay int.
In multiplayer, the hash and block tables are kept around between the
saves (presumably to improve performance).
When leaving the game, they should be cleared.
Clearing of the tables is handled by `Archive::Close` in `mpqapi.cpp`.
After 135f5e03c7,
which moved the archive closing inside `pfile_write_hero`, the tables
were no longer cleared on `pfile_flush_W` (because the archive was
already closed when it was called).
To fix the issue, this commit adds a `clear_tables` argument
to `pfile_write_hero` and removes the `pfile_flush_W` method.
Bug reported and root cause found by @Eider-McDuck:
> Example to reproduce: Have 2 vanilla savegames, join a game with the first,
> then leave, then join a game with the second, then drop an item on the floor.
obligaron
Juliano Leal Goncalves
Anders Jenbo
qndel
Gleb Mazovetskiy
Vladimir Olteanu