#### NIFF 1.0 Specification

## 3. Binary Format

### 3.7 VtxList

#### 1) VtxList Area

> VtxList is the list where vertex data is stored. All vertex parameters are described in the following list.

VtxListHeader | u32 | vtx_list_tag
u32 | vtx_list_header_size
u32 | vtx_list_size
u32 | vtx_group_num
u32 | nintendo_extension_block_size
u32 | user_extension_block_size
u32 | vtx_group_num_byte(0)
...
u32 | vtx_group_num_byte(vtx_group_num - 1)
| VtxGroup(0)
...
VtxGroup(vtx_group_num - 1)
NintendoExtensionBlock
UserExtensionBlock

VtxList Area Memory Map

u32 vtx_list_tag | Tag indicating VtxList. Set the following flag.
    TAG_VTX_LIST    0x00040000
u32 vtx_list_header_size | Size of VtxListHeader
u32 vtx_list_size | Size of VtxList
u32 vtx_group_num | Total number of VtxGroup contained in VtxList.
u32 nintedo_extension_block_size | Nintendo extension block size
u32 user_extension_block_size | User extension block size
u32 vtx_group_num_byte | Number of bytes corresponding to VtxGroup
VtxGroup | All vertices of one shape are contained in VtxGroup.
NintendoExtensionBlock | Nintendo extension block
UserExtensionBlock | User extension block

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