[r129] Pinned Behavior UID Bug

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  • Link to .capx file (required!):


    Steps to reproduce:

    1. Click "Swordsman" on left to create a blue swordman.

    2. Click "Swordsman" on right to create a red swordman.

    3. Watch their health bars.

    4. While they are fighting... wait when they get 50% damage, click any "Swordsman" to reinforce.

    Observed result:

    Pinned UID is broken because it's registered to each UID to sprites. It affects every instances, not unique instances.

    Expected result:

    Pinned UID worked in older versions.

    Browsers affected:

    Chrome: yes

    Firefox: yes

    Internet Explorer: yes

    Operating system & service pack:

    Windows 8 64 bit

    Construct 2 version:


  • There are too many events in that .capx to be able to easily say it's a bug and not just a mistake in your events. BTW, we haven't changed how 'pinnedUID' works for many releases now. If there really is a bug with it, it should be easy to reproduce in a new empty project.

  • Ashley

    There no mistake, please try r126 stable version you see it's working against r129 which is broken.

    I'm sorry for not commenting about the events, there are 3 events which are related to Pinned UID are event number 7, 8 and 14.

  • Joannesalfa - can you reduce the project further then? It's very, very difficult to debug projects with more than a few events. Also I'd recommend checking through the release notes to see if any breaking changes have affected your project, in which case it's not a bug and you'd need to change your project. If you can also narrow it down to the exact release where it changed, that would be helpful too.

  • Ashley There no "breaking change" between 127 and 129 versions, maybe there a feature "Pick by UID" could cause Pinned UID to stop working.

    I edited .capx


    Make sure I'm clear about the screenshots what im talking the differences.

    This is working, this project is using r126

    <img src="http://i.imgur.com/FMMFz1X.png" border="0">

    Then, it broke in r129

    <img src="http://i.imgur.com/nm9gpKC.png" border="0">


  • Thanks for making a minimal .capx, it's much easier this way.

    I'm not sure why this worked in r126. Your events look wrong.

    The event "Blue: pick instance with UID BlueHP.Pin.PinnedUID" should never have worked, but I guess it depended on the implementation details of 'pick by UID' which we changed recently. Add 'for each BlueHP' above it and it works. Since I don't really want to change 'Pick by UID' back to how it used to work (it's much faster now) I think the best thing to do is change your project; hopefully just adding a few 'for each' conditions will fix it.

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  • Ashley Ironic.

    It worked like r126 does in r129

    <img src="http://i.imgur.com/HokLsLt.png" border="0" />

    It's so confused.

    You should have published a breaking change if UID for behaviors has been changed.

    Anyways, it's not a bug after all, thanks...

  • Joannesalfa - I didn't realise it was a breaking change - I'll changelog it for the next stable release.

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