Chapter 3 Binary Format
3-7 Vtxist

2. VtxGroup Area

VtxGroupHeader u32 vtx_group_tag
u32 this_vtx_group_index
u32 vtx_group_header_size
u32 vtx_group_size
u32 vtx_group_name_index
u32 vtx_num
Vtx(0)
...
Vtx(vtx_num - 1)

Figure: VtxGroup Area Memory Map

u32 vtx_group_tag Tag indicating VtxGroup. Set the following flag.
TAG_VTX_GROUP	0x00040100
u32 this_vtx_group_index Index number of this VtxGroup.
u32 vtx_group_header_size Size of this VtxGroupHeader.
u32 vtx_group_size Size of this VtxGroup.
u32 vtx_group_name_index Index number of VtxGroup name in NameList.
u32 vtx_num Total number of Vtx contained in this VtxGroup.
Vtx Area for one vertex data