Notes

This chapter describes general precautions.

Character Restrictions
Differences from the Maya Plug-in

Restrictions on Usable Characters

• Prohibited Characters
  
  

  For node names, material names, texture names and any other names reflected in the 3D intermediate file, the only allowed characters are single-byte alphabet letters (uppercase and lower case), numerals, the hyphen ( - ) and the underscore ( _ ).

  Use of any other character or symbol is prohibited. Japanese characters and other double-byte characters are not supported. If prohibited characters exist within the model data that will be exported, a warning will display and the characters will be replaced with the underscore ( _ ) in the intermediate file.

• Duplicate Name Prohibition
  
  

  If multiple items share the same name in 3ds Max, the names will be altered so there are no duplicate names when the intermediate file is output.

Coordinate Systems

Because the coordinate systems differ between 3ds Max and NintendoWare, data is converted and then output.

	Coordinate System	Horizontal direction	Up	Depth direction
3ds Max	Right-hand system	X	Z	Y
NintendoWare	Right-hand system	X	Y	-Z

Differences with the Maya Plug-Ins

Here is a rundown of the main differences between the 3ds Max plug-ins and the Maya plug-ins.

• Animation Curve Key and Data Output
  
  

  In the NintendoWare 3D development environment, animation curves are calculated using keys and data formats based on Hermite interpolation.
  With the Maya plug-ins, when animation data is output, you can select to either output the keys and data as they were in Maya or to bake them inside the Export plug-in.
  3ds Max uses a different calculation method for animation interpolation, so with the 3ds Max plug-ins there is no selection, and the keys and data are always baked inside the Export plug-in for output.

Known Issues

• Sometimes "system exception" is displayed in the middle of batch export and export fails.
  
  

  Sometimes some of the files will fail to export during a batch export.
  In some cases this can be rectified by restarting 3ds Max and executing the batch export process again.

• In 3ds Max 2009 (32bit), the bounding box is sometimes exported in a size larger than the optimal size.
  
  
• If the Convert To Model option is set ON for a scene that contains a skinning model, in some cases it may not be correctly exported.
  

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CONFIDENTIAL