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 | |
| 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.
License & Credits
This file is licensed under CC BY-NC-SA 3.0.
The information here is from this Minecraft wiki page with some wording tweaked and/or simplify
Contributors
BJTMastermind
Dexrn ZacAttack