NIFF 1.0: Binary Format

NIFF 1.0 Specification

3. Binary Format

3.11 TriList

1) TriList Area

TriList is the list that contains triangle data. Triangles are constructed by referencing the vertex groups in VtxList. Mapping of TriList is as follows.

TriListHeader	u32	tri_list_tag
	u32	tri_list_header_size
	u32	tri_list_size
	u32	tri_group_num
	u32	nintendo_extension_block_size
	u32	user_extension_block_size
	u32	tri_group_num_byte(0)
	...
	u32	tri_group_num_byte(tri_group_num - 1)
	TriGroup(0)
	...
	TriGroup(tri_group_num - 1)
	NintendoExtensionBloock
	UserExtensionBlock

TriList Area Memory Map

u32 tri_list_tag	Tag indicating TriList. Set the following flag. TAG_TRI_LIST 0x00080000
u32 tri_list_header_size	Size of TriListHeader area
u32 tri_list_size	Size of TriList area
u32 tri_group_num	Total number of TriGroup in the TriList
u32 nintendo_extension_block_size	Nintendo extension block size
u32 user_extension_block_size	User extension block size
u32 tri_group_num_byte	Number of bytes corresponding to TriGroup
TriGroup	Triangle list per one shape
NintendoExtensionBlock	Nintendo extension block
UserExtensionBlock	User extension block

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