class Object //I'm coding this
{
public:
Object(const char* objName);
public:
virtual void Method()=0;
};
class DesignObject : public Object //design lead is coding these
{
public:
DesignObject();
public:
void Method();
};
class AnotherDesignObject : public Object
{
public:
AnotherDesignObject();
public:
void Method();
};
Calling specific constructor of derived base class...
Author
Hey.
I'm writing a class for my engine at the moment which is basically the wrapper that the designer fits specific components of the game into. Now, I have two specific classes defined sort of like such:
Design objects are compile-time globals [they are the only compile-time globlas in the project]. Now, I know that this code won't let me declare objects [it will give an error saying that Object has no appropriate default constructor]. Is there a way to be able to, for example, say:
AnotherDesignObject anotherObject("Another Design Object");
and have it call the constructor of class Object with "Another Design Object" as the name, with minimal coding required in each of the design objects [because I figure engine coding is the programmer's task, not the designer's]...
The method that I'd been using previously was to make the object with a default constructor and then to initialise it in a specifically written DesignObjectsInit() function, but when more design code files are added this gets a little messy. Is there a better way?
//End rant
CJM
Dead simple - assuming I've understood your question correctly:
The initialiser list sends the required parameters to the base object by directly passing those objects through the base-objects constructor. I've left out the second object as I assume it's irrelevant to this question (although this is why I may be misundertanding your question).
Oh yeah - please have a look at std::string - will potentially remove a lot of problems with using char arrays.
Jim.
class Object //I'm coding this{public: Object(const char* objName);public: virtual void Method()=0;};class DesignObject : public Object //design lead is coding these{public: DesignObject(const char* objName) : Object(objName) {};public: void Method();};The initialiser list sends the required parameters to the base object by directly passing those objects through the base-objects constructor. I've left out the second object as I assume it's irrelevant to this question (although this is why I may be misundertanding your question).
Oh yeah - please have a look at std::string - will potentially remove a lot of problems with using char arrays.
Jim.
Author
JimPrice,
Thanks. I never really learnt the basics of inheritence, so I'm not so surprised that it could be so clean. That was exactly what I wanted.
rating++;
Thanks again,
CJM
Thanks. I never really learnt the basics of inheritence, so I'm not so surprised that it could be so clean. That was exactly what I wanted.
rating++;
Thanks again,
CJM
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