Replay format.md

Replay format used by TUI Sweeper
Revision 4

The whole file is compressed using ZLIB

General format

Field name	Type	Ex. Value
Header length	byte	7
Header	byte[]	TUIRPL1
Seed	long	n/a
Identifier	byte[10]	TEST
Start time	long	n/a
Create time	long	n/a
Difficulty	byte	1
Board width	byte	10
Board height	byte	10
Bombs count	int	10
Bombs	Bombs array	n/a
Actions count	int	10
Actions	Actions array	n/a

Bomb format:

Field name	Type	Ex.Value
Bomb X	byte	0
Bomb Y	byte	0

Actions

Actions are the most important data stored in a replay.
Each caret move, flag/unflag and field reveal is stored as a separate action.

Action coordinates are stored as bytes, meaning the board can have maximum width/height of 128 fields

Action format

Field name	Type	Ex. Value
Action ID	byte	1
Action X	byte	0
Action Y	byte	0
Timestamp	int	n/a

Action IDs

Action Type	ID
CARET	0
REVEAL	1
FLAG	2