<PilzAdam> why dont you include sam II in there?

hat layer, when the area for the cape (a 8x12 set of pixels) which is to
the right of the arm texture, is given a non-alpha or semi-alpha pixel,
it will display ingame, similar to the hat layer on the player's head.

Counterpart commit to minetest 9a927476

This made it impossible to punch things without breaking them in creative

Needed if #851 gets merged