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) |
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| u32 | tri_index(part_tri_num - 1) |
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Figure: 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 | TriList' s Index corresponded to TriGroup used in this part. This data must be same as that of tri_group_index which is specified in Shape data linked from this Part. |
| 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 |