Request[edit]
| Index Word
|
Description
|
| 0
|
Header code [0x00020080]
|
| 1-2
|
u64, normally zero
|
Response[edit]
| Index Word
|
Description
|
| 0
|
Header code
|
| 1
|
Result code
|
| 2..17
|
Output structure
|
Structure[edit]
| Offset
|
Size
|
Description
|
| 0x0
|
0x4
|
u8 flags which indicate whether the head was detected.
|
| 0x4
|
0x1
|
u8 flag, unknown
|
| 0x5
|
0x3
|
Padding
|
| 0x8
|
0x4
|
float, not used by System_Settings.
|
| 0xC
|
0x20
|
4 coordinate entries: head top-left, head bottom-right, head bottom-left, and head top-right.
|
| 0x2C
|
0x14
|
Not used by System_Settings.
|
The total size of this structure is 0x40-bytes.
Coordinate entry[edit]
| Offset
|
Size
|
Description
|
| 0x0
|
0x4
|
float x
|
| 0x4
|
0x4
|
float y
|
The total entry size is 0x8-bytes. The range for these two floats are -1.0f..1.0.f. These are relative to the center of the screen.