GDK - including other .cpp files?

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Hayer

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Joined: 4th Nov 2005

Location: Norway

Posted: 23rd Nov 2007 13:12

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HI

How can I have many files like:
func.cpp
cam.cpp
main.cpp

linked togheter, so the main loop in main.cpp can call other functions(or are they called subs?

) from func.cpp?

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Zotoaster

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Joined: 20th Dec 2004

Location: Scotland

Posted: 23rd Nov 2007 13:54

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#include "func.cpp"

or, Solution Explorer > Source Files > Right Click > Add > Existing Item

"It's like floating a boat on a liquid that I don't know, but I'm quite happy to drink it if I'm thirsty enough" - Me being a good programmer but sucking at computers

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Hayer

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Posted: 23rd Nov 2007 14:19 Edited at: 23rd Nov 2007 14:22

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mh-m.. Don't seem to work, I'll try again.

edit:
nope, here is my top of the main.cpp

+ Code Snippet

// whenever using Dark GDK you must ensure you include the header file
#include "DarkGDK.h"
#include "SC_Collision.h"

// tried without include to...
#include "test1.cpp"

and here is how i call the sub/func whatever inside my main loop

+ Code Snippet

Test ();

and here is my test1.cpp file

+ Code Snippet

void Test ( void )
{
	dbPrint ( "Test" );
	return 0;
}

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IanM

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Posted: 23rd Nov 2007 14:27

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#include is for header files and inline templates, not for general source code.

Just right-click on your solution and select Add->New items (or whatever it says).

For example:
Cam.h

+ Code Snippet

#pragma once

void PositionCamera(float x, float y, float z);

Cam.cpp

+ Code Snippet

#include "Cam.h"

void PositionCamera(float x, float y, float z)
{
  dbPositionCamera(x, y, z);
}

Then in any file that needs access to the 'PositionCamera' function, just include the Cam.h.

The benefits of arranging your code like this are:
1. Smaller source files are easier to understand (read the FPSC source if you think otherwise).
2. Changes to the Cam.cpp file mean that only that file needs to be recompiled before everything is linked together.
3. Better re-use - you can write a module and test it separately, then just paste a copy of the files into your main app when you are done without disturbing existing code.

There are other benefits too, but I'll stop here before it turns into a full-blown lesson