bugBattle for Wesnoth - Bugs: bug #20602, Animation glitch: Unit...

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bug #20602: Animation glitch: Unit advancement/level up animations flicker

Submitted by:  Ignacio R. Morelle <shadowmaster>
Submitted on:  Fri Mar 8 07:17:50 2013  
Category: BugSeverity: 2 - Minor
Priority: 5 - NormalItem Group:  None of the others
Status: FixedPrivacy: Public
Assigned to: J Tyne <jamit>Open/Closed: Closed
Release: 1.11.1+svn r56459Operating System: All of them?

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Sat Jun 22 20:41:13 2013, comment #5:

Fixed in 8b33acca958f1973f760b7749e10758d7fdec426 (ugly Git revision number).

J Tyne <jamit>
Project MemberIn charge of this item.
Fri Mar 15 00:56:47 2013, comment #4:

I have an idea about what is probably going on, but it will take me some time (weeks?) to get to this.

J Tyne <jamit>
Project MemberIn charge of this item.
Tue Mar 12 23:33:25 2013, comment #3:

Using git bisect pointed me to r56169 as the commit introducing the bug.

The commit in question is jamit's and it is intended as a bug fix/part of a bug fix for bug #20324, so I am reassigning this bug to him instead.

Although the bug reproduces pretty reliably for me since then, perhaps I should take this opportunity to provide a more specific sequence of steps to reproduce:

- Start the test scenario in debug mode
- Near the center of the map there is an enemy Soulless surrounded by various player-controlled units, including an Elvish Druid. Note her maximum XP (usually 80, 64 when given the intelligent trait).
- Use :unit experience=80 (or 64) while the mouse is over the Druid.
- Attack the ghost at (18, 12) with the Druid from the southern adjacent hex at (18, 13).

Ignacio R. Morelle <shadowmaster>
Project Administrator
Mon Mar 11 22:15:45 2013, comment #2:

Yes, the bug still exists in trunk. You could take 1.11.1 or 1.10.x and compare.


The flickering (more specifically, the newly advanced unit being visible without the white tint right in the middle of the unit type transition) is pretty noticeable with an animation speed factor of 1.0x (the default) or 1.75x (what I normally use when playing).

Ignacio R. Morelle <shadowmaster>
Project Administrator
Mon Mar 11 11:47:51 2013, comment #1:

This is probably an unwanted side-effect of changes to the animationWML syntax (I am working with boucman on this).

Is this bug still happening after the last round of animationWML commits? It looks fine to me (testing on 0.25 speed), but I am not sure exactly what you mean by flicker?

David Mikos <coffee>
Project Member
Fri Mar 8 07:17:50 2013, original submission:

Units leveling up or acquiring an AMLA visibly flicker for an instant. I am not completely sure what is going on, but it seems like the levelout [1] (first animation during advancement) animation's tint progression became identical to the levelin animation.

[1] http://wiki.wesnoth.org/AnimationWML#levelout

This bug does not affect 1.11.1.

Steps to reproduce:

- Start the test scenario.
- Attack a unit with your playing side's leader. This should trigger one or two AMLA sequences in succession.

Ignacio R. Morelle <shadowmaster>
Project Administrator


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  • -unavailable- added by jamit (Posted a comment)
  • -unavailable- added by coffee (Posted a comment)
  • -unavailable- added by shadowmaster (Submitted the item)

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    Follow 4 latest changes.

    Date Changed By Updated Field Previous Value => Replaced By
    Thu Jun 27 09:59:59 2013shadowmasterOpen/ClosedOpen=>Closed
    Sat Jun 22 20:41:12 2013jamitStatusIn Progress=>Fixed
    Wed Apr 24 04:15:10 2013jamitStatusNone=>In Progress
    Tue Mar 12 23:33:25 2013shadowmasterAssigned toboucman=>jamit
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