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Fixes Trac#10263.
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It's quite difficult to patch. I hope this finally solved it.
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Added this already through last commit by accident
Was supposed to get added by this.
Workaround for reading uninitialized temp game bug.
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Also add a bit more documentation / Fix some documentation
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When decoding blocks, the YUV planes' pitches were computed using the
target video surface size instead of the block based size, resulting in
decoded plane data being overwritten for some video sizes.
Affected videos are LEOS-11102.bik and LEOS-11152.bik from Myst III.
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ports
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So that one can specify an entire range of temp variables
by using just one single entry.
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Leaning on the enter key during a word search puzzle will trigger
this bug, just like in Castle of Dr Brain.
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Fixes iOS7 compilation when common/util.h is included after
NSObjCRuntime.h, as happens in ios7_video.mm.
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There is no particular reason why backends that don't need to
calculate screen dimensions in advance should still need to
implement initSizeHint at this point.
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Almost the entire file does not use the aliased PixelFormat except
for a single function, so just make that function work like
everything else already in the TU.
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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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This change allows:
* Engines to update their target rendering surface/size and pixel
format with the backend multiple times during gameplay;
* Users to resize the ScummVM window without having it reset
size/position every time an engine updates its target surface
format;
* Conversions/scaling to continue to run efficiently in hardware,
instead of requiring engines to pick their maximum possible
output format once and upscale inefficiently in software;
* The window to reset size once when an engine calls to set its
initial output size, and to reset again once ScummVM returns to
the launcher.
This is relevant for at least SCI32 and DreamWeb engines, which
perform graphics mode switches during games.
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So that it also works even when the patch files are missing.
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Fixes buying an apple from man wearing a barrel, who walks
around in front of the casino.
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This reverts commit ae8e4fa8e95f3ae347dfc681330bccc0b09d1f01.
This change is wrong in any case. It should be specific to temp
14+15 at the very least. I also did not get an answer on what
is actually happening internally. That's not how we should
add workarounds. My review was also still pending.
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Leaning on the enter key during a word search puzzle will trigger
this bug, just like in Castle of Dr Brain.
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During the wordsearch puzzle (room 320 click left door) the
game will crash because of an uninitalized read of temp
variables in word::dispatchEvent (which gets called a lot),
if the player clicks the same letter or different letters
aggressively or holds down the enter key.
Fixes Trac#9783.
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This removes the unnecessary Buffer subclass and stops most places
where the output buffer was being interrogated about dimensions
instead of GfxFrameout.
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* Rewrap comments to 80 columns
* Clarify comments where possible
* Remove resolved TODOs
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* Rewrap comments to 80 columns
* Clarify comments where possible
* Use smart pointers where appropriate
* Change view/pic flags detection to always use word-size
(byte-size check for flag 0x80 was a compiler optimisation)
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* Rewrap comments to 80 columns
* Clarify comments where possible
* Fix whitespace errors
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* Rewrap comments to 80 columns
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* Rewrap comments to 80 columns
* Clarify comments where possible
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