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Goto Considered Harmful...
The following commits should improve the ScummVM code structure by reducing the number of gotos used in various engine code.
They should implement identical functionality, but without using goto and without the result being less readable/maintainable than the version with goto.
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Have refrained from changing the usage of 'goto' in the PictureDecoder
class (decode.cpp) for the time being, as this class is using these in
pseudo-x86 code which is complex and should be replaced anyway.
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This makes the name match with the name of the STL function with the same
behavior.
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is in progress
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Silences the clang warning:
static data member specialization of '_singleton' must
originally be declared in namespace 'Common'; accepted as a C++0x
extension [-Wc++0x-extensions]
Wrapping "namespace Common {}" around the macro assignment causes clang
to complain about a spurious semicolon, and removing the semicolon at
the end of the macro causes some editors to misbehave.
Changing the requirement of using the macro in one namespace (the
global) to another (Common) seems a small price to pay to
silence a warning.
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When reallocation is unsuccessful, the passed buffer is not freed. In this case, assigning the result (NULL) will result in a leak of the original memory buffer.
See http://msdn.microsoft.com/en-us/library/kkedhy7c.aspx
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This tries to make our code a bit more compliant with our code formatting
conventions. For future use, this is the command I used:
git ls-files "*.cpp" "*.h" | xargs sed -i -e 's/[ \t]*$//'
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For the records, this was introduced by Eugene in SVN revision 30106,
corresponding to git commit b87b0f21
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Safer and less portability issues.
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Also get rid of a slight bias for 0 in the random numbers (it was
selected twice as often as any other number).
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This also removes the dependency of engines on the event recorder header
and API, and will make it easier to RandomSources that are not properly
registered.
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This unifies the engine names in MetaEngine::getName() and the
credits. In particular drop "Engine" or "engine" from the names when
it was present and use expanded names in credits when the
MetaEngine uses it (e.g. "Beneath a Steel Sky" instead of "BASS").
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Some backends may break as I only compiled SDL
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The regression affected AGOS and maybe some others; specifically,
the real MidiDriver would have been deleted twice -- I previously
missed that the Engine instances takes care of freeing the real
MidiDriver, not the MidiPlayer wrapping it.
This commit should clarify the ownership of the real MidiDriver for
most pseudo MidiDrivers.
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Many engines follow the advice in audio/midiparser.h and create a
"pseudo-MidiDriver" subclass. But MidiParser really only needs a tiny
subset of the MidiDriver capabilities, namely those found in
MidiDriver_BASE. So we try to subclass from that whenever possible; this
allows us to remove many stub methods, and enables further future
simplifications.
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This in turn enables modifying MidiDriver_MPU401::close() to allow
it to be called on a midi driver that has not yet been opened.
The specific issue that triggered me to make these changes was a
crash-upon-quit in HUGO, caused by it instantiating a midi driver,
then encountering an error (missing hugo.dat) *before* having
opened the new midi driver; the general cleanup code then tries
to close the (not yet opened) midi driver -> kaboom
Also fixed some engines which were leaking MidiDriver instances.
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And set global volume levels
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This is currently done by converting the internal palette from RGBA(?) to RGB
when setPalette is called.
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svn-id: r55850
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svn-id: r55818
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svn-id: r55806
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svn-id: r54815
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menu and screen when mouse is moved.
svn-id: r54747
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This makes it possible to write
DECLARE_SINGLETON(foo);
instead of
DECLARE_SINGLETON(foo)
without causing a warning about an extra semicolon.
The extra semicolon helps some editors at parsing the C++ code.
svn-id: r54258
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svn-id: r54236
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svn-id: r54106
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svn-id: r54011
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