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Export Lightmap

 
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QQQQQ
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Joined: 24 Jul 2006
Posts: 5

PostPosted: Mon Jul 24, 2006 9:31 pm    Post subject: Export Lightmap Reply with quote

I just downloaded DeleD Lite. Is there a way that I can export the lightmaps as a seperate .X file?
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JPulham
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Joined: 28 May 2006
Posts: 39

PostPosted: Tue Jul 25, 2006 11:08 am    Post subject: Reply with quote

The lightmaps are stored in the textures/lightmaps directory in the DeleD program files. Just copy them and put them in the texture path of your model, or in the same directory. If your level was 'map01.dmf' then you would open :
'C:\Program Files\DeleD\Textures\LightMaps\Map01\Map01_Lightmap01.bmp'
'C:\Program Files\DeleD\Textures\LightMaps\Map01\Map01_Lightmap02.bmp'
'C:\Program Files\DeleD\Textures\LightMaps\Map01\Map01_Lightmap etc .bmp'
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QQQQQ
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Joined: 24 Jul 2006
Posts: 5

PostPosted: Tue Jul 25, 2006 4:14 pm    Post subject: Reply with quote

It didn't work. The lightmap texture is there, but how do I get the object to use it? Here are some example pictures to show what I mean:

This is the first object:


This is what I need to export from DeleD, an object with just the lightmap:


Then they are combined:
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Nocturn
DeleD PRO user


Joined: 08 Aug 2004
Posts: 635

PostPosted: Tue Jul 25, 2006 4:36 pm    Post subject: Reply with quote

What for a programming language do you use ? Stuff like this mus be defined in your Engine. The object doesn't know that there's a lightmap.
(Use Irrlicht or Blitz 3D...)

If you use Blitz 3D, THIS may help
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QQQQQ
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Joined: 24 Jul 2006
Posts: 5

PostPosted: Tue Jul 25, 2006 6:20 pm    Post subject: Reply with quote

I am using DarkBasic Pro.

Actually, in the pictures I showed on my second post, the second object is textured with the lightmap only. This appears in the object's file:

Material lightmap_1
{
1.0;1.0;1.0;1.0;;
11.3137;
0.0;0.0;0.0;;
0.012549;0.0360784;0.0109804;;
TextureFilename
{
"lm_1.bmp";
}
}

That and the other object are mixed in the game engine. The second picture shows the lightmap object as is.
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David*
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Joined: 21 Apr 2006
Posts: 17

PostPosted: Tue Jul 25, 2006 7:43 pm    Post subject: Reply with quote

hey qqqqq,im having the same problem your having.did u get a lightmap on your object in dbp??

if so,please tell me what u did..
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QQQQQ
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Joined: 24 Jul 2006
Posts: 5

PostPosted: Tue Jul 25, 2006 9:12 pm    Post subject: Reply with quote

Quote:
hey qqqqq,im having the same problem your having.did u get a lightmap on your object in dbp??

if so,please tell me what u did..


Not from DeleD, but you were trying to use .DBO format which includes the lightmap. I'm trying to use two objects in .X format and ghost the lightmap one. I need to do this for the flashlight shader to work properly. Also, I didn't see a way to export .DBO format from DeleD Lite.


So, is it possible to export an .X file that's textured with the lightmap only from DeleD? If not what do I need to do?
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Paul-Jan
Site Admin


Joined: 08 Aug 2004
Posts: 3066
Location: Lage Zwaluwe

PostPosted: Wed Jul 26, 2006 5:53 am    Post subject: Reply with quote

I'm sorry to inform you it's not possible to export a lightmap-only .X from DeleD currently. Ghosting two .X files on top of eachother is a proprietary DB trick, and in general not a very efficient way to implement lightmapping (i.e. scene blending is less efficient than multitexturing). I don't know how the 'flashlight shader' works, but if you have control over the shader source, I'd bet reading from two different texture units is even easier than reading from two different geometry sources.

Our official support for DB is through Il Buzzo's DBO exporter, available from our plugin section. To our best knowledge, this plugin works fine with both Lite and PRO.

However, it seems like there might be some issues with this exporter and the lastest version of DBP (as reported by David*). If so, please contact Il Buzzo about them through these forums, I'm sure he'll sort things out in no time, like he did in the past.

If, for some reason, the "double-.X exporter" is truely necessary for you to accomplish your goal, you can request that one is made. Have some other people request the same thing would certainly help boost it's priority.

Hope that helps! Smile
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QQQQQ
Member


Joined: 24 Jul 2006
Posts: 5

PostPosted: Wed Jul 26, 2006 5:29 pm    Post subject: Reply with quote

I downloaded the plugin, and just like David* said in his topic, the lightmap did not load. But I did find a way to use the shader properly with a .dbo that has a lightmap, so as soon as the .dbo exporter is updated, I'll be able to do what I wanted to.
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Paul-Jan
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Joined: 08 Aug 2004
Posts: 3066
Location: Lage Zwaluwe

PostPosted: Thu Jul 27, 2006 4:52 pm    Post subject: Reply with quote

Thanks to a very swift response by Il Buzzo, the DBO exporter has just been updated. Let us know how it turns out! Very Happy
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