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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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The register keyword was deprecated from the C++11 standard,
<http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n4193.html#809>,
and removed from the C++17 standard,
<http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/n4340>, so
cannot exist in a well-formed C++17 program.
It has never done anything in GCC
<https://gcc.gnu.org/ml/gcc/2010-05/msg00113.html>
and because of the way it is specified in the standard, it is “as
meaningful as whitespace”
<http://www.drdobbs.com/keywords-that-arent-or-comments-by-anoth/184403859>.
The one remaining use of the register keyword is in the DS backend,
where it is used to create a local register variable using the
non-standard GCC Extended Asm feature.
Closes gh-1079.
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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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write streams
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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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We have lots and lots of -Wimplicit-fallthrough warnings, and I
don't know if it's worth fixing them or not. But if we want to,
this is how it can be done.
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and therefore set the "fully played"-flag/variable, so that scripts
don't block forever in for example Police Quest 1 poker back room.
Fixes bug #9706
Thanks waltervn
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Thanks waltervn for finding this one.
Was a regression caused by the timer heuristic for detecting
bad script code. When the heuristic identified being in an
inner timer loop, it told ScummVM to sleep + process events.
During that time a restore can get triggered by the user via GMM.
When that happens, the restore is executed immediately.
When still being inside testIfCode(), it may happen that execution
goes beyond the end of the current logic incl. error/crash.
TODO: maybe better change GMM as a whole for AGI, that restores are
always processed in a delayed way after main loop got processed
once?
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so that invalid opcodes won't crash ScummVM anymore
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Original AGI only created a stationary event, when the last
pressed direction key was released. We do that now as well.
Makes cursor in MH1 behave properly.
Thanks to waltervn for pointing this out.
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Thanks waltervn for pointing this issue out
AppleIIgs adjustment tables had to be extended, because the first
3 arcade sequences were running way too fast, while the last one
ran fine and all of those are part of one single room.
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Original AGI TIME_DELAY 0 made the game run as fast
as possible. We didn't go that far, but it still seems to run
too fast. This should hopefully fix that.
See bug #9607
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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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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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AGI: Reduce audio header dependencies
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Was a regression caused by commit
e1c36a52b561463217e22687605d2f4f1dc33be6
(upscaling + hercules font support)
Thanks to salty-horse for reporting this issue
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We set vtEntries to SCREENOBJECTS_MAX, thus, the loop
for (i = vtEntries; i < SCREENOBJECTS_MAX; i++) is a no-op.
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Recently we started to use this as new semantics, although in the past
we used simly <engine>_H. Now these guard defines are consistent with
rest of the files which are used in the engines.
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Trigger rect is the rect, that the user needs to click to
trigger the predictive dialog.
Previously cursor char got drawn, rect started right afterwards
In case cursor char is enabled, the rect will get adjusted
accordingly now.
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gameid -> gameId
guioptions -> guiOptions
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_singleid -> _singleId
_gameids -> _gameIds
_guioptions -> _guiOptions
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Shows a prompt window and pauses the game (just like original AGI
did, but original AGI only did it in Hercules rendering mode).
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Original AGI Hercules rendering was restricted by the Hercules
resolution, which is why they had to remove the AGI prompt and
replace it with a prompt window like the one used in SCI.
We are not and even when we support that prompt window, we
will still support the original AGI prompt even for Hercules
rendering.
Maybe some games had special graphic code, when Hercules rendering
is active. This needs to get checked.
We are now telling the scripts that we are running on EGA,
so that they don't put text at different coordinates.
Hercules rendering also used a different grid for putting text
for example Space Quest 2 right at the start.
This change avoids problems with such placement. We don't really
want to restrict ourselves by implementing that different
text grid resolution.
Also added comments on game feature flags.
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It seems Sierra basically put a low res font in there, so
it's useless. We should rather directly use the PC BIOS font
in those cases. The code could be useful at some point in case
we add support for the AGI3 Hercules rendering, although I think
it looks worse, because graphics are basically "compressed".
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- User option to force Hercules hires font for any rendering mode
- Also change mouse cursor hotspots from 1,1 to 0,0
- Fix inaccuracy in mouse controlled game menu
- Change render_Block(), drawBox(), drawDisplayRect() to use
upper Y instead of lower Y. Original AGI uses lower Y, but
upper Y makes upscaling way easier.
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Plenty of fan games set volume to mute, because they thought 15
would be loudest. It's in fact "mute" in AGI. Those games were
made primarily for PC AGI, which did not use the volume setting.
We do, so such games would get muted audio. We try to detect
such games. Hopefully fully fixes bug #7035.
Too many games to try them all out.
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Also removed old comments about testing needed for IIgs
Also removed warning when game speed is overwritten for IIgs,
b/c all games were tested and should run properly now.
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Gold Rush, Stagecoach path, after solving steep hill
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Fixes one message box in Gold Rush during Stagecoach path,
that wasn't wrapped correctly.
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