How to call an object from an object

[henpecked1]

I'm trying to construct a semi simple dice rolling project. I have two classes, onedie and threedice. The threedice class looks like this:

class threedice
{
	public:
		void rollem();  	  
		int getsumFaces();

	private:

		onedie die1;
		onedie die2;
		onedie die3;

};

Now, when I try to code the two functions rollem and getsumFaces, I don't know how to write those functions to add the three results from onedie. I've made a couple of attempts that give me nothing but a string of errors. Any example I can adapt will do, thank you in advance

[vmanes]

It would help to see your onedie class as well. Does it have some method such as rolldie? How have you tried to write these two functions?

[henpecked1]

coming up

class onedie
{
	public:
		void rollit();
		int getroll();

	private:
		int result;

};

Here are the onedie functions (they may not be right either, I'm a tad weak in function writing)

#include "onedie.h"
#include <iostream>
#include <cstdlib>
#include <ctime>

using namespace std;


void onedie::rollit()
{
	srand(time_t(NULL));
	result= 1 + rand() % 6;
}

int onedie::getroll()
{
	return result;
}

as for trying to call the onedie class, since I made three members that call it onedie die1, onedie die2 etc. I tried the simplest possible for getsumFaces being return die1+die2+die3...that didn't work

[vmanes]

I think it's a bit much to have separate rollit( ) and getroll( ) methods - wouldn't it be simpler to just have a getroll method that that also does the random value generation. Is there a reason to separate the two concepts?

In any case, as you have it now, the rollem( ) method should simply call the rollit( ) method for each of the three dice die1.rollit( ); die2.rollit( ); die3.rollit( ); and similarly your getSumFace( ) would use the three dice's getroll( ) methods.

Hmm, it would be easier to write if you had an array of dice instead of three individual members.

Can you now put it all together in a functioning program?

[henpecked1]

The reason they are separated is "professor says so" :) I do have to construct arrays, one to hold the rolls, and one to "sort" the results using a switch statement.

Can I put it all together? I don't know yet, but I'm workin at it slow but sure. I'm starting small and working my way up. I didn't know the syntax for calling from the other object. So for getsumFaces, would it look like?:

return die1.getroll()+die2.getroll()+die3.getroll()

It compiles, so until I can actually run it I'll take that as a yes :)

[vmanes]

OK, if the assignment needs the two functions, that's what you do. Yes, you have a correct statement to implement your getsumFaces( ).