Feature Proposals/IQM Format Support

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The Inter-Quake Model (IQM) format was developed by Lee Salzman (aka eihrul) as a more modern alternative to the formats popularly used in the open-source community prior to its introduction.

Advantages over MD5

  • Triangle adjacency data
  • Non-uniform joint scaling
  • Variable vertex attributes:
    • Position (equivalent to MD2 and MD3 style of animation)
    • Texture coordinates
    • Normals
    • Tangents
    • Weights
    • Colors
  • Animation and model files may be combined (if desired)
  • A binary ("compiled") format is an option.


Developer gimhael submitted a patch to the ioQuake3 bug tracker; however, this is not suitable for XreaL's modern renderer inherited by the Daemon engine.