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Needed by the GOG CD version.
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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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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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The engine data files should be included in the package, so downloading
may not be the best suggestion. Instead refer to the README.
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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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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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_singleid -> _singleId
_gameids -> _gameIds
_guioptions -> _guiOptions
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This fixes bug #6494 "TEENAGENT: Yet another unimplemented callback".
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This fixes bug #6492 "TEENAGENT: Engine abort when using hay."
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Each engine now only has to provide a single configure.engine file
adding the engine into the configure script, which then produces the
required other files automatically.
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This is now generated automatically by the configure script from the
engine directory names.
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This is the third and final commit enabling fully pluggable engines.
Now providing an engine folder contains a configure.engine, engine.mk
and engine-plugin.h file, it will be picked up automatically by the
configure script.
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This is the second part of allowing engines to be added dynamically.
Each folder in engines/ which must contain a file named "engine.mk"
containing the make definitions for that engine.
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This is the first part of allowing engines to be added dynamically.
They are placed into a folder in engines/ which must contain a file
named "configure.engine" to add the engine, which is pulled into the
top level configure script automatically.
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This allows to keep the engines to specfiy the files for translation close to
the engine sources itself.
Thanks to criezy for his suggestion on this approach.
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I think this is the correct thing to do, and that it won't have
any noticeable effect whatsoever.
Cases 29 and 30 happen in the first half of the game, in the
cantine, while case 42 happens in the second half of the game. By
the time you reach the point where case 42 does something, I don't
think it's possible to get back to cases 29 and 30, so when case
29 falls through neither 30 nor 42 will do anything.
CID 1003730, 1003731
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"PC" was very ambiguous and now it matches what we show in the GUI.
This also corrects sword2's platform to Windows.
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Adding missing CamelCase k-prefixes.
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This removes the underscores in various variables as per project
coding standard.
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This removes the underscores in various variables as per project coding
standard.
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This removes the underscores in various variables as per project
coding standard.
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This removes the underscores in various variables as per project coding
standard.
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This fixes a mismatched function prototype wrt. the definition and
removes the underscores in various variables as per project coding
standard. Also, minor reordering of functions for readability.
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