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Lightmap Problem

Majestic

Majestic

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I am pretty new with lightmaps and recently I have been getting this very strange error that happens 90% of the time.

I lightmapped some textures and applied them to the models and 9/10 times I test them in Storm3D the entire model except the lightmaps are black. I checked the textures and they were saved correctly (32bits/pixel and uncompressed) yet they still seem to not work right. It also seems to be only certain textures and the thing is that they do on occasion work. Then at times others won't. :confused:

Does anyone have any ideas what the problem is I use the !lambert_texturenamel_!opaque tag and when I attempted to use the !phong_texturename_!opaque tag the model appeared grey with only lightmap appearing. I checked the materials and made sure the Ambient, Diffuse, Emissive and Specular settings were set right like I have used on all previous models and they are.

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Starfox1701

Starfox1701

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Drop the _!opaque try useing _!alpha, _!default, _!alphathreshold,(not sure if thats spelled right), or just leave it blank.
 
Majestic

Majestic

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I tried that but the problem is still occuring. I might have to go back and have a look a the light maps I did. Perhaps deleting them and starting again. :confused:
 
Syf

Syf

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Send me the file.... I'll look it over and find your bug.
 
Majestic

Majestic

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I got it fixed, I feel stupid I got diffuse and specular mixed up again. *Slaps head* Thanks for the offer and help Starfox and Syf.
 
A

adm_stacks

Deleted Due to Inactivity
Former MSFC Member
This should fix the problem.

I've had this problem before.
what causes it [I think] is changes to the texture. Since adding a lightmap is changing it, that might be your trouble. To fix it, at least the way it works for me is to:[1] looking at the model in ms3d, click the materials tab and delete the texture refrence. [2] select the ship using group selection and reassign the the texture to your model. now export it. Hopefully, this will solve the problem. Another cause for this to happen is altering the model in any way except adding joints. the fix is the same, delete the texture from the ship, and reassign it. You have to delete it cause just attempting to reassign it doesn't work.
 
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