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Short description of the file format of hand-drawn maps
Updated Wed, 12 Dec 2018 13:51:07 -0500 by nemo

Hand-drawn maps


Hand-drawn maps are maps which are created by the player using the in-game map editor.

File format (outdated)

NOTE: This section is outdated.

Hand-drawn maps are saved with a file name suffix of “.hwmap”. The saving location is freely chosen by the user; Hedgewars does not use any predefined location to save hand-drawn maps.

Drawn map is described by a list of points, which define polylines to draw and format of each polyline.

Point is defined as

Big-endian int16 Big-endian int16 Byte
X coordinate Y coordinate flags

where flags are:

8th bit 7th bit 6th-1st bits
if set, this is a first point of polyline if set, polyline is erasing width (thickness) of line

… where width defines (width * 10) + 6 pixels width line to draw.

Second and further points of polyline have 8th bit of flags unset, the content of others are ignored for those.

A single-point polyline defines a circle.

Sharing hand-drawn maps

Hand-drawn maps will be automatically transferred when playing online.

But if you wish you can still share your creations in the Hand-Drawn Maps Submission Thread.