C++ game code not working

Question

I'm working on a game for an assignment and I've ran into an issue with function overriding in C++.

I have the following structure:

class GameEntity
{
public:
    bool GameEntity::TakeHit(int dmg);
};

class Enemy : public GameEntity
{
    bool Enemy::TakeHit(int dmg);

};

When from another class I create an instance of an Enemy, store it in a GameEntity vector, then call TakeHit() on it, it's calling the GameEntity version of it. I'm used to Java where this would call the other version, am I doing something obviously wrong here?

Other questions don't really cover this so I've created my own.

It's probably something pretty simple I'm guessing, so apologies for the trouble.

score 2 · Answer 1 · edited May 23 '17 at 12:13

2

Make TakeHit a virtual member function.

// You don't need the scope specifier GameEntity::
// Make it pure virtual to force sub-classes to implement them.
virtual bool TakeHit(int dmg) = 0;

Store pointers to objects, preferably smart pointers, instead of objects. If you store just objects, you suffer from object slicing problem.

edited May 23 '17 at 12:13

Community

1
1

answered Nov 01 '14 at 04:12

R Sahu

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score 1 · Answer 2 · answered Nov 01 '14 at 04:10

1

The function from GameEntity needs the virtual keyword.

answered Nov 01 '14 at 04:10

NaCl

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C++ game code not working

2 Answers2