Make sense of the Mushroom Grove replacement mess in Wesnoth 1.16 #73
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irydacea
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Aug 22, 2020
Long story short, after octalot's proposed fix I decided to have a
closer loook at the Mycelium/Deprecated Mushroom Grove terrain graphics
rules in Wesnoth master right now, and it turns out that the Mycelium
base graphics are drawn in a Surprising™ fashion:
{NEW:BASE Tb,*^Uf* forest/mushroom-base LAYER=-319}
Which means that in order to actually get our transitions into
Mycelium/MG, we need to draw on a higher layer than Mycelium's. So in
1.16 we need two different rules for each Dark Hive variation: one to
avoid drawing transitions in the wrong layer (which will set the
transition flag early) and another to force a different layer for those
terrains specifically.
How this will play out when both rules come into effect within the same
vicinity is unbeknownst to me at this time. I don't think there are any
situations where we'll see Mycelium neighbouring one of the terrains
blacklisted by the base rule, however, at least not in IftU and AtS.
Closes #11.
CC: project-ethea/Invasion_from_the_Unknown#73
CC: project-ethea/After_the_Storm#83
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Wesnoth 1.16 marks the old Mushroom Grove overlays (
^Uf,^Ufi) as deprecated in favour of several new terrains including the Mycelium base (Tb) and the new Mushroom Grove overlays (^Tf,^Tfi).This is a rather confusing task and there's no easy way to get it out of the list without harming Wesnoth 1.14 support in some way, so this should only be dealt with once Wesnoth 1.14 support is no longer necessary (i.e. at some point after Wesnoth 1.16.0 is released).
(Do not add this to #71.)
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