2. Light Area

The Light area stores the actual light data. The Light area is mapped as follows.

LightHeader	u32	light_tag
	u32	this_light_index
	u32	light_header_size
	u32	light_size
	u32	light_name_index
	u32	light_type
	float	ambient_r
	float	ambient_g
	float	ambient_b
	u32	dir_light_num
	u32	nintendo_extension_block_size
	u32	user_extension_block_size
	DirLight(0)
	...
	DirLight(dir_light_num - 1)
	NintendoExtensionBlock
	UserExtensionBlock

Figure: Light Area Memory Map

u32 light_tag	Tag indicating Light. Set the following tag. TAG_LIGHT 0x000f0100
u32 this_light_index	Index number of this Light
u32 light_header_size	Size of this LightHeader
u32 light_size	Size of this Light
u32 light_name_index	Index number of Light name in NameList
u32 light_type	Specifies the type of light. Currently, the following types are defined. LIGHT_TYPE_DIRECTION 0X00000000 LIGHT_TYPE_POSITION 0x00000001 LIGHT_TYPE_DIRECTION: Specifies a directional light. LIGHT_TYPE_POSITION: Specifies a positional light.
float ambient_r	Red component of ambient color
float ambient_g	Green component of ambient color
float ambient_b	Red component of ambient color
u32 dir_light_num	Number of DirLight
u32 nintendo_extension_block_size	Nintendo extension block size
u32 user_extension_block_size	User extension block size
DirLight	The DirLight area describes data related to one type of directional light.
NintendoExtensionBlock	Nintendo extension block
UserExtensionBlock	User extension block