#### NIFF 1.0 Specification

## 3. Binary Format

### 3.17 CollList

#### 1) CollList Area

> CollList describes the collision data in a scene. All collision data is described in the CollList area.

CollListHeader | u32 | coll_list_tag
u32 | coll_list_header_size
u32 | coll_list_size
u32 | coll_group_num
u32 | nintendo_extension_block_size
u32 | user_extension_block_size
u32 | coll_group_num_byte(0)
...
u32 | coll_group_num_byte(coll_num - 1)
| CollGroup(0)
...
CollGroup(coll_num - 1)
NintendoExtensionBlock
UserExtensionBlock

CollList Area Memory Map

u32 coll_list_tag | Tag indicating CollList
    TAG_COLL_LIST   0x000d0000
u32 coll_list_header_size | Size of CollListHeader
u32 coll_list_size | Size of CollList
u32 coll_group_num | Number of CollGroup
u32 nintendo_extension_block_size | Nintendo extension block size
u32 user_extension_block_size | User extension block size
u32 coll_group_num_byte | Number of bytes in each CollGroup area
CollGroup | CollGroup node
NintendoExtensionBlock | Nintendo extension block
UserExtensionBlock | User extension block

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