| Commit message (Collapse) | Author | Age | Files | Lines |
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These three did not properly handle self-assignment.
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An absolute majority of CPU use in about every test is wasted by
radius_iterator and circle_def, which implement both Chebyshev and normal
metrics as calls deep inside tight loops. Untangling them is a massive
work, so I'm chipping at it by a little from time to time.
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For most header files, this only saves on having to recompile a
small number of source files, but there are also a few headers
where small changes would now take significantly less time.
This is most obvious for the Tiles build for which the dependencies
have been greatly reduced, so that the only additional includes
when compared to console are strictly library or tile related.
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For way too paranoid and underinclusive values of "simple".
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Having both it and LOS_RADIUS is misleading, especially as they're
arbitrarily used. This distinction doesn't make sense anyway, as any
LOS changes need to be done at runtime, only the max matters during
compilation.
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"File:" is shown in your editor's status bar.
"Written by:" was used only for the first person who changed a file. We got
git for that now, and pre-DCSS history is so woefully inaccurate it doesn't
really matter.
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This is all not very nice.
los_base is now an abstract base class for both los_def and
los_glob (global LOS-backed los_def variant), and interators
now take a *los_base.
actor::update_los is gone.
Arena LOS is quite probably broken again at the moment.
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It's now only updated if the monster has moved or is in view of
the player. That means it will not necessarily be accurate if
terrain or clouds are LOS-affecting monsters change/move.
I'm not sure that this is much better than just not updating
LOS for sleeping monsters -- depends on to what extent monsters
just stay in place.
Previously, crawl spent a significant amount of time with the
monster LOS updates.
Other options:
- Calculate monster LOS on-demand (unlikely to help much)
- Reduce monster LOS range away from the player
(this might require some changes to LOS code to actually save
time)
- Track LOS globally: for each cell, which other cells are visible?
An estimated 200 kB of data.
This would then only be updated if terrain/clouds/LOS-affecting
monsters changed.
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This should fix recent arena display problems.
Also fix los_def::in_bounds to translate coordinates.
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It's also called los_grid, and is a SquareArray of boolean since it
doesn't need to store "objects" any more.
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The various LOS objects and functions now accept a circle_def
instead of a bounds_func. This is a little less generic, but
should eventually help with iterating over coordinates in
any los_def.
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