April 2015
Intermediate to advanced
430 pages
8h 47m
German
Content preview from C++: Eine kompakte Einführung
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21 Das Spiel
In diesem Kapitel wollen wir abschließend noch ein paar Elemente des Spielprojekts ins Auge fassen.
21.1 Aktionen
Für die Spielregeln fehlen uns nur noch die Aktionen. Diese folgen einem ähnlichen Schema wie die Bedingungen in Abschnitt 18.8. Es gibt eine gemeinsame abstrakte Basisklasse Aktion, von der die konkreten Aktionen ableiten, wie Abbildung 21–1 zeigt.
Abb. 21–1 Die Hierarchie der Aktionen
Die Basisklasse Aktion sieht so aus:
class Aktion : public Spielobjekt {public: Aktion(Spiel* spiel) : Spielobjekt{spiel} {} virtual ~Aktion() = default; virtual bool ausfuehren() =0;};
Die Methode ausfuehren liefert einen booleschen Wert ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.