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Fixes it not being updated.
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Some backends like GCW0 do no support graphics >320x240 due to
the hardware limitation (downscaling is possible but it will ruin
the pixel hunting which is often part of the gameplay).
Instead of manually updating the list of engines, we now introduce
a new dependency.
I marked all relevant engines, but some, like tinsel, require more
work with putting their relevant high-res games under USE_HIGHRES
define.
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Not all SCI2.1late/SCI3 function signatures are fully known yet,
but all subops are now represented in the kernel tables.
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The original engine had some members on PlaneShowStyle to
allow wall clock timing but never actually used them in the
processing loop so transitions simply ran as quickly as the
CPU could process them. For the moment, we will just limit
these transitions to ~30fps, which hopefully roughly matches
the speed of the engine on hardware of the era.
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Causes issues in at least gk1 (option + inventory plane are shown)
Game::restore is not called, when doing restores from launcher,
so in the original interpreter this script code wasn't called
either.
Fixes option + inventory planes etc. being shown right after
restoring via launcher, when original save/load dialogs were
disabled.
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Adding consts to try to isolate rectangles that change during
draw list processing, to be investigated for incorrect mutations
causing lower screen items to be drawn over higher screen items at
their edges.
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These changes should cause ScummVM to be more accurate in edge
case rounding.
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5.25", 2 discs, interpreter 0.668
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The previous code works correctly only for ratios like 2:1 that
do not generate remainders.
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Replacing a valid signature error by a warning isn't useful.
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version of Future Wars.
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This is intended for early SCI2, but should work with older SCI too,
not that we need it.
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This implementation is not 100% engine accurate, but it is
more accurate than what was there, and hopefully the differences
between this and the engine code are merely cosmetic.
The known (intentional) differences are:
1. Uses ScummVM rects inside the engine code, converting to/from
SCI rects on the kernel edges and when scaling
2. Fewer side effects when performing operations that *should*
have been pure from the start (like text dimension calculation).
Still not side-effect-free, but at least things like colours
and alignment do not need to be reset every time a measurement
is taken, unlike in the actual engine.
Editor controls and some other kBitmap code are temporarily
disabled as a result of changes to GfxText32 until they can be
updated to be engine-accurate.
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It shouldn't be necessary anymore, since initOPL() cleans everything.
If, however, suddenly a piece of music sounds weird in a Gob game,
this is the place to look for.
This fixes a race condition between OPL::reset() and the callback
timer.
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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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Confirmed against DOS disasm. There is no header for SPL data.
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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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