Happy new year to the wonderful Godot community!
We're starting a new decade with a well-established, non-profit, free
and open source game engine, and tons of further improvements in the
pipeline from hundreds of contributors.
Godot will keep getting better, and we're looking forward to all the
games that the community will keep developing and releasing with it.
The previous code didn't take into account that templates directories
can have subdirectories like the mono templates have.
Also fix an unclosed dir handle.
The application module `app` serves double duties of providing the prebuilt Godot binaries ('android_debug.apk', 'android_release.apk') and the Godot custom build template ('android_source.zip').
Otherwise we would need to include all of them in android_source.zip,
which means building the zip after all libs have been built by SCons
(so it would have to be done via gradle or a manual script).
By extracting it from the pre-built APKs, we save some disk space in
templates archives too.
Condensed some if and ERR statements. Added dots to end of error messages
Couldn't figure out EXPLAINC. These files gave me trouble: core/error_macros.h, core/io/file_access_buffered_fa.h (where is it?),
core/os/memory.cpp,
drivers/png/png_driver_common.cpp,
drivers/xaudio2/audio_driver_xaudio2.cpp (where is it?)
Development builds don't have official export templates available.
Clicking the "Download" or "Re-Download" button resulted in an error
while fetching the list of mirrors.
This hides the download-related features when using a development build.
So far we left most temporary files lying around, so this attempts to
fix that.
I added a helper method to DirAccess to factor out the boilerplate of
creating a DirAccess, checking if the file exists, remove it or print
an error on failure.
Fixes this warning:
```
./core/os/dir_access.h:74:17: warning: 'virtual String DirAccess::get_next(bool*)' was hidden [-Woverloaded-virtual]
```
Part of #30790.
fhuya
Rémi Verschelde
Haoyu Qiu
Rafał Mikrut
Hugo Locurcio
Braden Bodily