3-17. CollList

2. CollGroup Area

The CollGroup area has several Coll nodes stored as a group. Even if there is only one Coll node, it belongs to a CollGroup. The memory map for CollGroup is as follows.

CollGroupHeader	u32	coll_group_tag
	u32	this_coll_group_index
	u32	coll_group_header_size
	u32	coll_group_size
	u32	coll_group_name_index
	u32	coll_num
	u32	nintendo_extension_block_size
	u32	user_extension_block_size
	u32	coll_num_byte(0)
	...
	u32	coll_num_byte(cull_num - 1)
	Coll(0)
	...
	Coll(coll_num - 1)
	NintendoExtensionBlock
	UserExtensionBlock

Figure: CollGroup Area Memory Map

u32 coll_group_tag	Tag indicating CollGroup TAG_COLL_GROUP 0x000d1000
u32 this_coll_group_index	Index number of this CollGroup
u32 coll_group_header_size	Size of this CollGroupHeader
u32 coll_group_size	Size of this CollGroup
u32 coll_group_name_index	Specifes CollGroup name by index number
u32 coll_num	Number of Coll in this CollGroup
u32 nintendo_extension_block_size	Nintendo extension block size
u32 user_extension_block_size	User extension block size
u32 coll_num_byte	Number of bytes of each Coll
Coll	Actual collision data
NintendoExtensionBlock	Nintendo extension block
UserExtensionBlock	User extension block