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