#### NIFF 1.0 Specification

## 3. Binary Format

### 3.12 PartList

#### (2)Part Area

u32 | part_tag
u32 | this_part_index
u32 | part_size
u32 | part_name_index
u32 | mat_index
u32 | tri_group_index
u32 | part_tri_num
u32 | nintendo_extension_block_size
u32 | user_extension_block_size
u32 | tri_index(0)
...
u32 | tri_index(part_tri_num - 1)
NintendoExtensionBlock
UserExtensionBlock

Part Area Memory Map

u32 part_tag | Tag indicating Part area. Set the following flag.
    TAG_PART        0x00090100
u32 this_part_index | Index number of this Part area
u32 part_size | Size of Part area
u32 part_name_index | Index number contained in NameList
u32 mat_index | Index number of Mat. When material of Shape is used directly, specify:
    USE_SHAPE_MAT   0x80000000
u32 tri_group_index | Index number of TriGroup same as tri_group_index for Shape
u32 part_tri_num | Number of Tri in this part
u32 nintendo_extensino_block_size | Nintendo extension block size
u32 user_extensino_block_size | User extension block size
u32 tri_index | Index number of Tri to be referenced
NintendoExtensionBlock | Nintendo extension block
UserExtensionBlock | User extension block

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