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This commit introduces the following changes:
1. Graphics::loadThumbnail()
Now returns a boolean and takes a new argument skipThumbnail which
defaults to false. In case of true, loadThumbnail() reads past the
thumbnail data in the input stream instead of actually loading the
thumbnail. This simplifies savegame handling where, up until now,
many engines always read the whole savegame metadata (including
the thumbnail) and then threw away the thumbnail when not needed
(which is in almost all cases, the most common exception being
MetaEngine::querySaveMetaInfos() which is responsible for loading
savegame metadata for displaying it in the GUI launcher.
2. readSavegameHeader()
Engines which already implement such a method (name varies) now take
a new argument skipThumbnail (default: true) which is passed
through to loadThumbnail(). This means that the default case for
readSavegameHeader() is now _not_ loading the thumbnail from a
savegame and just reading past it. In those cases, e.g.
querySaveMetaInfos(), where we actually are interested in loading
the thumbnail readSavegameHeader() needs to explicitely be called
with skipThumbnail == false.
Engines whose readSavegameHeader() (name varies) already takes an
argument loadThumbnail have been adapted to have a similar
prototype and semantics.
I.e. readSaveHeader(in, loadThumbnail, header) now is
readSaveHeader(in, header, skipThumbnail).
3. Error handling
Engines which previously did not check the return value of
readSavegameHeader() (name varies) now do so ensuring that possibly
broken savegames (be it a broken thumbnail or something else) don't
make it into the GUI launcher list in the first place.
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Fix undefined behaviour in variadic functions
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This flag is removed for a few reasons:
* Engines universally set this flag to true for widths > 320,
which made it redundant everywhere;
* This flag functioned primarily as a "force 1x scaler" flag,
since its behaviour was almost completely undocumented and users
would need to figure out that they'd need an explicit non-default
scaler set to get a scaler to operate at widths > 320;
* (Most importantly) engines should not be in the business of
deciding how the backend may choose to render its virtual screen.
The choice of rendering behaviour belongs to the user, and the
backend, in that order.
A nearby future commit restores the default1x scaler behaviour in
the SDL backend code for the moment, but in the future it is my
hope that there will be a better configuration UI to allow users
to specify how they want scaling to work for high resolutions.
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Passing a type that undergoes default argument promotion as last
argument of a variadic function results in undefined behaviour.
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All these fall through were marked as deliberate, so again I've only
changed the comment to silence GCC.
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I've not fixed this one, maybe it's on purpose:
RELASE -> RELEASE
engines/mads/staticres.cpp:const char *const kGameReleaseTitleStr =
"GAME RELASE VERSION INFO";
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It was storing filenames of length 12 in a char[12] buffer.
Fixes bug #9627.
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ALL: Add Cloud storage support
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looking/picking item)
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Added it into hasFeature() of all engines which returned `true` in
simpleSaveNames() before.
As mentioned in #788, SCI is not always using simple names, so it
doesn't have such feature now.
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It had to become a proxy class in order to do that.
finalize() starts the saves sync.
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Engines with "simple" savenames would support "Run in background" in
save/load dialog and gradual save slots unlocking. Other engines
save/load feature would be locked until save sync is over.
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item variable value is less than 33, that is, 32 max. item+1 is never > 33.
Thus, the clapping code is redundant.
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This reverts commit 9909cc615d527bc8d43f930d8c88dc014974f2de.
This will likely cause invalid memory reads because it frees the last output
buffer which is used to keep files in memory. There is a possible memory leak
here, when the input data is not well formed. However, fixing this takes some
more effort than the solution in the reverted commit.
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This reverts commit c22ca8ffb515b03712a0f0e36dd40c7e38c4b8ed.
This revision caused invalid memory reads in Kyra1 DOS+FM-TOWNS.
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Thanks to salty-horse for reporting.
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Engines should only have to call one set of functions and not decide between the two. In fact, the 'emulation' API was documented to just call the 'real CD' API.
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(rework parts of the code + improve naming of variables/functions)
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