Attributes

File Extensions: .atr

Description

The chunk attributes format specifies the collision properties of an area by holding the flags for each X and Y coordinate

From 0 X and 0 Y to 256 X and 0 Y, following 0 X and 1 Y, 0 X and 2 Y and so on)

For each coordinate, there is a byte that tells how the collision should be treated by evaluating its bits

Bit	Description
1	An entity can walk into that coordinate
2	The coordinate is filled with water
3	PVP is disabled in that coordinate
8	A guild building can be built in that coordinate

You can check the composition of the format and an example file by visualizing data formats with Kaitai and the kaitai struct below

Kaitai Struct: attributes.ksy

Example file: attr.atr