Chapter 3 Binary Format
3-19 LightList

1. LightList Area

The LightList area is where light-related scene data is stored. Up to eight Light nodes can be defined in one scene. In addition, one Ambient Light and seven Diffuse Lights (or Positional Lights) can be stored in one Light node.

The LightList area is mapped as follows.

LightListHeader u32 light_list_tag
u32 light_list_header_size
u32 light_list_size
u32 light_num
u32 nintendo_extension_block_size
u32 user_extension_block_size
u32 light_num_byte(0)
u32 light_num_byte(light_num - 1)

Figure: LightList Area Memory Map

u32 light_list_tag Tag indicating LightList. Set the following.
TAG_LIGHT_LIST	0x000f0000
u32 light_list_header_size Size of LightListHeader
u32 light_list_size Size of LightList
u32 light_num Number of Light in LightList
u32 nintendo_extension_block_size Nintendo extension block size
u32 user_extensino_block_size User extension block size
u32 light_num_byte Number of bytes corresponding to Light
Light Actual Light data. One Ambient Light and up to 8 Diffuse Lights (or Positional Lights) can be stored in one Light area.
NintendoExtensionBlock Nintendo extension block
UserExtensionBlock User extension block