Wallmounted is a node's rotation to face an axis. It can either have wallmounted or facedir. Wallmounted is stored as node.param2 where node.paramtype2 = "wallmounted".

Wallmounted starts at 0 and increases to 5 along the axes Y, -Y, X, -X, Z, -Z.

See also: facedir

0 -- +Y axis
1 -- -Y axis
2 -- +X axis
3 -- -X axis
4 -- +Z axis
5 -- -Z axis