Question about AddUserPreviewScene



  • On 16/02/2018 at 10:22, xxxxxxxx wrote:

    User Information:
    Cinema 4D Version:   R18.057 
    Platform:   Windows  ;   
    Language(s) :     C++  ;  XPRESSO  ;  PYTHON  ;

    ---------
    Hello PluginCafe,

    I recently started plugin development in c++ and came across something I don't quite understand.

    When experimenting with Materials and especially AddUserPreviewScene() i found (at least for me) something odd.

    In my main.cpp I only have the usual PluginStart/Stop and Message methods.
    In my PluginStart method I try to add a new preview scene for materials using AddUserPreviewScene.

    Here is my problem:
    When I am adding a scene to a ID which is from a custom material I made everything works fine, and the scene only shows up at my material.

    According to the docs. when passing the ID 0 it should show up for every material. 
    But it doesn't show up on any of the standard nor my custom materials.
    I checked the returned value from AddUserPreviewScene which was true meaning everything should have worked.
    So why am I not seeing my custom scene on any of the materials?

    Hopefully someone can help me on that matter, really curious about that.

    Thanks in advance, 
    Florian



  • On 20/02/2018 at 01:47, xxxxxxxx wrote:

    Hi Florian, thanks for writing us.

    I confirm that the AddUserPreviewScene() doesn't work as reported in the documentation and passing 0 as ID value doesn't add a custom material preview scene to be used with any material. Passing instead a value of "-1" will do the trick ;).

    I will update the documentation accordingly.

    Best, Riccardo



  • On 20/02/2018 at 10:02, xxxxxxxx wrote:

    Hello Riccardo,

    thank you very much for the information :)

    kind regards, 
    Florian


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