As the disengaged state is part-way between the "partial" and "moved" states,
the orb has parts in each color. On the minimap these units are shown in the
partial color (which is also the color that would be used before this change).
This will match the mounted Quenoth units' "disengage" skill, when they
can still move but can't attack. It should also trigger for some UMC abilities
that get extra moves after a character attacks.
During testing, I found that TSG allows some of the bandits to attack on the
first turn of the bandit branch. There's no gameplay change there, but the orbs
make it much clearer that some units can still attack.
I think there are already too many preferences for orbs, so reused the existing
settings for the colors. A new "show disengaged orb" preference is added, which
when disabled shows the old partial orb instead.
Update the orb and ellipse sections of doc/manual/.
Notes about how I created the new orb image:
* create a color range to_ellipse_red with rgb=FF0000,FF0000,000000,FF0000
* wesnoth --render-image 'misc/orb.png~RC(magenta>to_ellipse_red)' images/misc/orb-ellipse-red.png
* open the orb.png and orb-ellipse-red.png images as layers in Gimp, add a layer mask to both of them
* use the layer mask to get each pixel from exactly one of the layers
I also updated the filenames for the images, changed the recommended
format for screenshots other than "fullscreen" screenshots to PNG,
and removed the (no longer true) claim that the example places to create
the screenshots match where the English screenshots were taken.
Resolves#2856.
[ci skip]
(cherry-picked from commit 134a51204b)
(not commiting any files that were reported as broken, there are many!)
Original size: 130846 KiB on 10530 files
Optimized size: 127520 KiB
Total saving: 3325 KiB = 2% decrease
NOTE: Extremely many files received (smaller) changes but due to the
extremely large amount of changes I am not 100% sure that this
conversion is correct. This is the output of
utils/png_format_check.sh:
RGBA: 10247 RGB: 10 Gray+A: 256 Gray: 0 Index+A: 0 Index: 0 Other: 0
Overall statistics (only for files with a smaller recompressed size):
Original size: 128949 KiB on 9778 files
Optimized size: 125813 KiB
Total saving: 3135 KiB = 2% decrease
