DLL Object

Very sad news!

I have used asm for my function calls... it's fast and can take any number of any type of arguments with 1 function declaration...

The problem is this...

When I call a function i start with converting all arguments to DWORD and then I push them onto the stack...
Then I call the function... so far so good...
Now when Buffers were requested problems occur.. It's easy to pass an argument to act as a buffer, the variable is changed by the function and then I need to retrieve the variable and pass it back to the argument... PROBLEM!

In order to be able to pop the arguments of the stack again I must use __cdecl, but all MMF2 functions use the WINAPI (__stdcall)... As soon as I try to pop the args the app crashes.. -_-...

If anyone knows a way to get around this.. plz let me know.. otherwise this feature might be impossible...

If no one knows the solution for this I'm just gonna hve to release it as it is... (I have been looking for a work around for over two days and no luck)

EDIT: Maybee great news... I was playing with some far off idea and got some very good results... might be possible! I'll keep you informed!

IIRC functions never change the copy that's on the stack, any functions that return through a parameter use pointers.

The stdcall calling convention means that the called function removes all the parameters from the stack before the function ends, so you (the program calling the function) shouldn't try to pop them off the stack, it'll cause a guaranteed crash.

Yeah I know that... just figured out another way to do it ^^..

OK Everyone... string buffers are working <img src="/center/images/graemlins/laugh.gif" alt="" />...

Can someone give me some info on DLL's with functions that use Int/Float buffers...

Ok.. I think Int Buffers works as well... Still need help with Float Buffers though... If anyone has any info that'd be great...

This is my current test function... don't know if it's correct.. I takes a reference to x and the var y, adds y to x and then returns y

extern "C" DLLIMPORT
float _stdcall floatBufferTest (float&amp; x, float y) {
x += y;
return y;
}

If I can establish that this is correct the rest should be easy..

well the buffer i have been using is a INT but it returns a string!

Uhmm... how is this relevant to float buffers??


EDIT: Come on people this is probably the last thing... then it's probably done -_-

Ok... I have tried to figure this out for several hours with no luck... I'm skipping Float Buffers for now... Only commenting them out so that it will be easy to add them again if the problem is solved...
I'll just finish up and then send out the next beta to the testers!

Beta 4 released to testers!

owww... I want to be a tester. lol

I'd really like to use fmod in my application. Can someone test fmod for me? Pleeeeaase? <img src="/center/images/graemlins/laugh.gif" alt="" />

I have made an example using bass.dll v1.6

OK.... release is close... only one last thing... In some cases when using xp sp1 it causes the app to crash when the object is unloaded... I have checked all the code and can't find anything wrong with it.. I'll give it a few more tries... this can however be solved upgrading to sp2...

Cheers

EDIT: Gonna wait until I get the full version (should be soon) an see if it's the new build that causes the crash...

I stay to SP1, maybe I can test it for you. (I can't upgrade my official XP for an unknown reason and I can't format and reinstall right now <img src="/center/images/graemlins/tongue.gif" alt="" />)

[]I stay to SP1, maybe I can test it for you. (I can't upgrade my official XP for an unknown reason and I can't format and reinstall right now <img src="/center/images/graemlins/tongue.gif" alt="" />) [/]

If you have the original disk then you can normally do a "repair install". A repair install should fix any problems you have that aren't caused by software you have installed. Boot off the windows cd and run the setup as normal until you see a screen saying "the following existing windows installations were detected, do you want to repair?". This will install windows fresh but leave all your programs and documents and settings completely untouched and functioning (except daemon tools, if you use it ask me and I'll help you fix it). Note that a repair install is different to the "auto-repair" suggested during loading drivers at the beginning -and- different to the "repair console" option on the first menu of the setup, so don't press them.

After that you should be able to install XP SP2 fine. If you can't get it from windows update or MS update then there's a manual download on the windows xp sub-site (not sure what it's listed as, network install maybe?) which will work on all machines guaranteed.

To be honest most people still using XP SP1 are either stuck with it due to problems or have some really bad excuse eg "I'm afraid it'll break stuff" or "I have dialup internet" (you can get 512k broadband for less than most dial-up plans now).

cool, when you get the full one can u make pro only?

I had the same problems not being able to upgrade to SP2.
It was a real pain.

Basically you need to reinstall over the top via repair.
If your lucky you'll be able to install SP2.

Daniel's DLL caller will be for both versions of MMF2 and it will be included in a future bonus pack. He will first release it himself so people can get it and use it ASAP.

We will file the source code away and include it in a future bonus pack so users can be assured it will continue on even if Daniel wanders away <img src="/center/images/graemlins/smile.gif" alt="" /> or becomes busy with other projects. I certainly hope Daniel stays around for awhile and continues to create cool extensions <img src="/center/images/graemlins/smile.gif" alt="" />

Ok... Got the full version in the mail today... I'm gonna get to the bottom of this!

Hey, string buffers are working (hurrah)
i found if u added a string buffer it didnt work (crashed) but if u set it, it was fine!

ok... Huge thanks... checking...

YES!
I think I might have found the problem.. I'll send a copy to one of the testers using sp1 to confirm this!

Quote:

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Originally Posted by DanielRehn

I have made an example using bass.dll v1.6

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id like to see how to use bass.dll, did you post this example?

Quote:

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Originally Posted by bubba_damage

id like to see how to use bass.dll, did you post this example?

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Found example in Posts DLL object Beta 4 and 5. :)
For future reference: used bass.dll from 1.6 - 1.8 fine with the bass example, couldn't find bass 1.9 (?if there was a bass.dll 1.9?) and 2.0 and up has no sound at all.(something changed)

Note: I was looking for a bass example for a long time now it wasn't included in the newest version of the DLL Object 04/2008, all i had was the "DLL Test 1.mfa" example to go with.

Bonjour il faut indique le chemin du fichier DLL pour avoir le sond (Appdir$ + "bass.dll") si non il ne sera pas charge.
Hello you must indicate the path of the DLL file to get the probe (Appdir $ + "bass.dll") if not it will not be loaded.

Quote:

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Originally Posted by CapitaineCaverne

Bonjour il faut indique le chemin du fichier DLL pour avoir le sond (Appdir$ + "bass.dll") si non il ne sera pas charge.
Hello you must indicate the path of the DLL file to get the probe (Appdir $ + "bass.dll") if not it will not be loaded.

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AppPath$, not AppDir$. AppDir$ doesn't include drive letter.