An example on how to make screensavers with Irrlicht!

disanti · Post by **disanti** » Sun Feb 08, 2004 8:53 pm

OK, you can download the example here:
http://www.santiproductions.com/files/screensaver.zip [5KB]

It compiles with 0 errors and 0 warnings. It MUST use Software mode or it crashes. I tried putting an Event Receiver in it but that crashed it too. I also named it the "Blue Saver of Death" because the only way to end it is to press Alt+F4. But atleast it works

This will show you how to implement Irrlicht into a screensaver very easily. You can use this as a template if you want. If you figure out how to get it to close without Alt+F4, please tell me

.

REMEMBER: Rename the compiled exe extension to scr and copy to your windows directory to test.

Hope this helps anyone who wants to make a Screensaver~ John DiSanti
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Pot

keless · Post by **keless** » Sun Feb 08, 2004 9:50 pm

just so you know, your post should have gone in the 'howto' section. This thread is more for major projects which will be continually updated, than for tutorials or code snippets.

Robomaniac · Post by **Robomaniac** » Tue Feb 10, 2004 1:58 am

Hmm, doesn't build for me, get a link error saying some weird function is not found.

disanti · Post by **disanti** » Tue Feb 10, 2004 2:37 am

What compiler are you using? I used Visual C++ 6.0 to compile it and it worked 0 errors, 0 warnings.

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ROOR BONG PICTURES

Robomaniac · Post by **Robomaniac** » Tue Feb 10, 2004 3:55 am

Dev C++, i just imported the dsp file, and added my paths, compiles fine, but gets a linking error, i'll redownload it and recompile as i accidentally deleted it. Post my error tommorow

disanti · Post by **disanti** » Tue Feb 10, 2004 5:00 am

I'm not sure if it will work in Dev C++ or not. I didn't try that.

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Guest · Post by **Guest** » Wed Feb 11, 2004 1:20 pm

In fact I'm not sure you can create screensaver with Irrlicht in general. Sorry, but your code is not a 100% screensaver (that's why you need to close it with Alt+F4).

I can explain the reasons.

1. Screensavers tech: OS creates(!) window for you and you just need to draw in this window. Also OS posts (or sends) all messages to this window.
2. Irrlicht creates its own(!) window. So if you debug your program you will see that you get two WM_CREATE messages for two different windows for example. Also you will see many interesting things if you just start debugging

So the way to solve it is to modify constructor of CIrrDeviceWin32 class (createDevice function just creates an instance of this class) so it will have an option not to create new but ATTACH to a given window (pass hWnd of already created window there). But for this moment engine cannot do this and as far as I see it won't be implemented since noone (except for you

) need this...

Sorry... Correct me if I'm wrong...

P.S.: BTW, there is no problem to pass your own EventListener but it will not help you as far as I see.

agrif · Post by **agrif** » Sat Feb 14, 2004 7:03 pm

The Blender game engine creates it's own window, and so does PyGame, but you can make those screensavers by just renaming the .exe to .scr.