Player Format

Byte Order

level.dat is stored in Little Endian byte order.

Parsing level.dat

Header

Name	Size (in bytes)	Description
Version	4	The version used to save the file. Always 1.
Size	4	The size of the file subtracting the header. Always 80.

Player Data

Name	Size (in bytes)	Description
Pos X	4	The X coordinate of the players position.
Pos Y	4	The Y coordinate of the players position.
Pos Z	4	The Z coordinate of the players position.
Motion X	4	The players motion in the X direction.
Motion Y	4	The players motion in the Y direction.
Motion Z	4	The players motion in the Z direction.
Pitch	4	The players looking pitch.
Yaw	4	The players looking yaw.
Unknown	4	Maybe an unused Roll value[needs testing]
Fire	2	The number of ticks until the fire is put out. Negative values reflect how long the player can stand in fire before burning. Default -20.
Air	2	How much air the player has, in ticks. Fills to a maximum of 300 in air. Decreases while underwater.
Unknown	4

Hotbar

Loop the next section 9 times until you have parsed all slots of the hotbar.

Name	Size (in bytes)	Description
Item Id	4	The ID of the item.

The 9th slot is always 0xFFFFFFFF representing the open inventory button with the 3 dots (•••).

Depending on the device some slots may not be shown in game but all 9 slots are still saved to the file. For example if in game only shows 3 item slots they will be stored as the first 3 items in the hotbar.