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Fixes CID 1381416.
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function
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Preparations for adding support for RAMA's custom save game format.
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Phant2 creates save game names that append "<PROTECTED>" at the
end of the game name, with an assumption that the game name is
always exactly 36 characters long. This seems to be OK with other
games too (tested GK1, SQ6, and Torin).
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Save game metadata validity checks in SCI32 should all exist within
kCheckSaveGame32 since this allows most games to recover
successfully from an attempt to load an invalid save game. If
gamestate_restore fails, the game will usually crash because the
engine is left in an inconsistent state (game scripts have cleaned
up objects in preparation for a game load that is no longer
happening).
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Compression overhead takes up more space than uncompressed files,
plus the uncompressed files it creates are marginally quicker and
easier to debug with external tools.
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In SSCI, all files opened through kFileIO are writable. Most of
the time this does not matter and the engine can get away with
using read-only streams, but when chase.dat is opened by Phant1
from the retry dialogue during the chase, it needs to be writable
because game code puts a '98' marker in the chase data. If this
write does not occur, the game gets stuck in a loop looking for
the marker.
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Fixes Trac#9586, Trac#9587.
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1. Shift save numbers up/down for game scripts that rely on save
game numbers starting from 0 to work correctly
2. Add fake file operations to support KQ7 save games
3. Hide autosave games from native save/load list to match SSCI.
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The descriptor is used to check the validity of single savegames
in SCI32.
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This file is used during the chase sequence, and needs the same
read/write logic as phantsg.dir
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At least Phantasmagoria and PQ:SWAT require this.
This adds a ReadStream/WriteStream to support this. It replaces
the previous VirtualIndexFile which required reimplementation of
most read/write functions.
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No longer checking for .sav file suffix, but instead checking
room number instead. The user is able to change the suffix,
which would have resulted in a compressed character file.
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Allow 0xFFFF as invalid file handle again for kFileIO calls
Fan game "Dating Pool" opens a non-existant file at the start
and tries to read it, even though it shouldn't do the latter.
The sciAudio adjustments changed our behavior to error() out in
such a case. This commit changes it back to our old behavior to
only print out a warning.
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The old code expected sciAudio FOpen calls to fail, because they
contained a directory name. On AmigaOS those calls succeeded.
Because of that at least on AmigaOS, sciAudio support didn't
work at all.
We now detect sciAudio FOpen calls and return a proper virtual file
handle. This should fix it on all platforms.
Also moved the SCI32 virtual save file handle from 200 to 32100.
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Powered by:
git ls-files "*.cpp" "*.h" "*.m" "*.mm" | xargs sed -i -e 's/[ \t]*$//'
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This allows them to be used by other games in the series not supported
by ScummVM (i.e. QFG4, QFG5 and the fanmade AGS version of QFG2)
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No functionality change has been made with this commit. This avoids
setting and getting the reg_t members directly, and is the basis of any
future work on large SCI3 scripts (larger than 64KB)
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Thanks to DrMcCoy for reporting them
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Shivers uses extra special hardcoded save files together with the normal
ones that are used to store slot names and spot descriptions. The scheme
is a bit odd, and since the names of the extra save files are hardcoded,
this scheme is problematic to use. We skip the creation of these files
altogether and use virtual files instead, which means that the
(broken) spot descriptions won't be visible next to each save
description. This isn't a major issue for now, and it's left as a future
TODO to implement this feature in a cleaner way, and not with extra save
files. This scheme fixes the slot descriptions in the loading screen.
Also, kCD(1) has been implemented, which fixes loading of the save
states themselves
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This way, there is a clear separation of the actual SCI kernel file
functions and the file classes and wrappers of ScummVM
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Phantasmagoria's scripts keep polling for the existence of the savegame
index file and request to read and write it using the same parameters
when opening it. The index file is closed and reopened for every save
slot, which is slow and can be much slower on non-desktop devices.
Also, the game scripts request seeking in writable streams and request
to expand the existing index file.
To provide this functionality and to reduce constant slow file opening
and closing, this virtual class has been introduced
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