Problems importing from Blender 2.63a to jme3.0beta

Troubleshooting import-assets
1

I have followed all of the tutorials, such as these:

https://wiki.jmonkeyengine.org/legacy/doku.php/jme3#tutorials_for_beginners

and can get the ninja to show up, or load town.zip properly.



However, I cannot export anything properly from Blender 2.63a using the ogrexml script (blender2Ogre-0.5.7-preview1), not even the default cube. I continually get this error:



Jul 05, 2012 1:48:39 PM com.jme3.app.Application handleError

SEVERE: Uncaught exception thrown in Thread[LWJGL Renderer Thread,5,main]

java.lang.NullPointerException

at com.jme3.export.binary.BinaryImporter.readObject(BinaryImporter.java:334)

at com.jme3.export.binary.BinaryImporter.load(BinaryImporter.java:264)

at com.jme3.export.binary.BinaryImporter.load(BinaryImporter.java:147)

at com.jme3.export.binary.BinaryImporter.load(BinaryImporter.java:131)

at com.jme3.asset.DesktopAssetManager.loadAsset(DesktopAssetManager.java:243)

at com.jme3.asset.DesktopAssetManager.loadModel(DesktopAssetManager.java:376)

at com.jme3.asset.DesktopAssetManager.loadModel(DesktopAssetManager.java:386)

at mygame.Main.simpleInitApp(Main.java:84)



What am I missing?

2

Blender changed the internal formats of their files in a breaking way when they changed from 2.62 to 2.63. You can either do a “save as” in blender, tick “legacy mesh format” and then use the blender importer … or if you use the latest nightly SDK the blender importer in that supports the new mesh format.

3

(Or save in legacy format, downgrade blender to 2.62 then do the ogre export from that).

4

If I try to go the 2.63 legacy mesh format route, I run into the uint64_t problem with the jme3.0beta (mentioned elsewhere on the forums).

If I try to go the nightly SDK route, I can’t download the nightlies because of the Tools->Plugins->…SDK Nightlies…Reload Catalog… PluginInstaller hangs while downloading (mentioned elsewhere on the forums).

I will try downgrading to Blender 2.62.

Thanks!



I CAN download the nightlies directly from the website in a large zip file, but I haven’t found any info on how I can manually install a nightly into the platform directory from a zip file.

5

I switched to Blender 2.62 and used the blender2ogre-0.5.5 add-on for blender to produce the mesh.xml and material, then added it to Models. It loaded without crashing, which is the furthest I’ve gotten so far.



Now I only need to figure out why the background color shows up but I can’t see my models. :slight_smile:

6

add a light

7

The light was there, but my material was misnamed and the scale wasn’t big enough.

Everything is working great now, thanks for the help.