Follow up of #18345 to add support (currently only on `Windows`; see
notes below) for playing a PS3 disc game directly from a Blu-Ray Disc
Drive.
### HOW IT WORKS:
- The BD drive can be added as any other game so from `VFS games` or
from `Add Games` menu. In case it is selected from `VFS games`, any
attempt to write files is discarded, e.g. file `Disc Games Can Be Put
Here For Automatic Detection.txt`
- It scans the default redump keys folder `<rpcs3>/data/redump` (it
currently needs to be manually created due it is not yet provided by
rpcs3 installation) to find a matching decryption key
### NOTES:
- Support is currently provided on `Windows` where I can fully test it.
I cannot test under other OS. However, the additions needed for the
other OS are limited only on `fs::file.h/cpp`. In particular inside the
following new functions:
- `bool is_optical_raw_device(const std::string& path);`
- `bool get_optical_raw_device(const std::string& path, std::string*
raw_device = nullptr);`
- Icons etc. are always refreshed (ISO cache cannot be used due `mtime`
on raw device is not available and any cache check would always fail)
- Code in `ISO.h/cpp` needed some rework to properly manage a read on a
raw device (alignment on offset, size and memory is mandatory). The BD
drive needs to be detected as a file, not as a folder
### MINOR FIXES:
- Fixed wrong specifier used in logging on `ISO.h/cpp`
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On empty mounted drives CreateFileW may return a valid handle even if the drive is not usable.
We have to check the file handle early. Otherwise other functions may fail later as a result.
Adds infrastructure to read files/data from ISOs.
Also adds classes extending fs::device_base and fs::file_base in order
to allow reading files through fs namespace functions. This approach
should allow ISO data to be read by the emulator with the least changes
to existing code.
fix compile errors on Mac and provide reviewed changes
fix wrong resolved conflict
removed duplicate
cleanup after latest merged PRs
minor cleanup
rename and move get_existing_dir() to File.cpp
apply reviewed changes
File descripor ID with 2 provided ways to compare between them:
1. is_mirror_of():
Test if identical:
For example: when LHS writes one byte to a file at X offset, RHS file be able to read that exact byte at X offset)
2. is_coherent_with():
Test if both files point to the same file:
For example: if a file descriptor pointing to the complete file exists and is being truncated to 0 bytes from non-
-zero size state: this has to affect both RHS and LHS files.
* Fix /dev_flash executables path arg. (/host_root is wrong for it)
* Fix usage of /host_root for homebrew applications when it is not mounted, use /app_home.
* Fix path source detection. (don't get fooled by path slashes repetitions, symlinks, '.', ".." and ('\' on Windows))
* Unescape tail of /dev_hdd0 paths.
