Sounds: sounds = default.node_sound_leaves_defaults(), Copyright (C) 2010-2012 celeron55, Perttu Ahola Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) http://creativecommons.org/licenses/by-sa/3.0/ .png's: default_sand.png VanessaE (WTFPL) default_dirt.png Cisoun's WTFPL texture pack Code: minetest/games/minetest_game/mods/default/mapgen.lua --> ore generation Copyright (C) 2011-2012 celeron55, Perttu Ahola GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.