clmp {
  strt {
    int numAtomics
  }
  frml {
    strt {
      int numFrames
    }
    #foreach frame {
      strt {
        V3d right
	int pad
        V3d up
	int pad
        V3d at
	ind pad
        V3d pos
	int pad
        int parent
	int unknown // flags?
      }
    }
  }
  #foreach atomic {
    strt {
      int frmIdx
      int flags
      int subType
    }
    geom {
      int
      int
      int
      int
      int
      int
      float
      float
      float
      mlst {
        int numMaterials
        #foreach material {
          matl {
            strt {
              16 bytes
              texr {
                stng
                stng
              }
            }
          }
        }
      }
      vertex data....
    }
  }
}