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[solved] deal cards and add to the scene

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  • SGaistS Offline
    SGaistS Offline
    SGaist
    Lifetime Qt Champion
    wrote on last edited by
    #17

    What you are doing is risky, you've got the error because the base class (QGraphicsPixmapItem ) explicitly forbids the copy.

    If you look at QGraphicsScene you see that you addItem takes a pointer to an item

    Interested in AI ? www.idiap.ch
    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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    • M Offline
      M Offline
      Marcius
      wrote on last edited by
      #18

      I see what you're saying. I actually may be having problems because of that at the moment (not sure yet though). How would you go about this issue then? Quite frankly, I still don't know which which part of my program causes the error.

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      • SGaistS Offline
        SGaistS Offline
        SGaist
        Lifetime Qt Champion
        wrote on last edited by
        #19

        Just allocate your Cards on the heap and not on the stack

        Interested in AI ? www.idiap.ch
        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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        • M Offline
          M Offline
          Marcius
          wrote on last edited by
          #20

          I tried that, although I still can't remove copy and assignment operator constructors without getting the same error..

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          • SGaistS Offline
            SGaistS Offline
            SGaist
            Lifetime Qt Champion
            wrote on last edited by
            #21

            Because somewhere in your code you are doing a copy. Are you using a QList<Card> or something similar ?

            Interested in AI ? www.idiap.ch
            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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            • M Offline
              M Offline
              Marcius
              wrote on last edited by
              #22

              I saw your reply in my other post and I indeed did do copies by using vector. I'm changing my code around now.

              Check this line @ vector<Card*> * player = new vector<Card*>; @ Is it correct? And if so, how do I iterate through player? I'm getting a little confused with all these pointers.

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              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by
                #23

                Just use vector<Card *> player, there's no need of a pointer for the vector

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                • M Offline
                  M Offline
                  Marcius
                  wrote on last edited by
                  #24

                  @
                  for (vector<Card*>::iterator iter = player.begin();
                  iter != player.end(); ++iter)
                  {
                  qDebug() << iter->GetSuit()
                  }
                  @

                  How do I call GetSuit() function? This is obviously incorrect

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                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #25

                    With

                    @(*iter)->GetSuit();@

                    You should be good

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                    • M Offline
                      M Offline
                      Marcius
                      wrote on last edited by
                      #26

                      Tried it before I asked :) But I get an error: "expression must have pointer-to-class type"

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                      • SGaistS Offline
                        SGaistS Offline
                        SGaist
                        Lifetime Qt Champion
                        wrote on last edited by
                        #27

                        Sorry, there was a mistake in my code example

                        Interested in AI ? www.idiap.ch
                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                        • M Offline
                          M Offline
                          Marcius
                          wrote on last edited by
                          #28

                          Ah, simple as that. Works like a charm :)

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                          • SGaistS Offline
                            SGaistS Offline
                            SGaist
                            Lifetime Qt Champion
                            wrote on last edited by
                            #29

                            Yes, sometimes it's a simple thing :) But can be hard to track down :-D

                            Interested in AI ? www.idiap.ch
                            Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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