Initial Commit

README.txt

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+Minetest mod: moognu
+==========================
+See license.txt for license information.
+
+Originally published as "nyancat" mod.
+
+Authors of source code
+----------------------
+Originally by celeron55, Perttu Ahola <celeron55@gmail.com> (LGPL 2.1)
+Various Minetest developers and contributors (LGPL 2.1)
+Modified by Thomas-S (LGPL 2.1)
+
+Authors of media files
+----------------------
+VanessaE (CC BY-SA 3.0):
+  moognu_rainbow.png
+
+The contributors of http://archive.org/details/M00GNU and tenplus1 (CC BY-SA 3.0):
+  moognu_back.png
+  moognu_front.png
+  moognu_side.png

depends.txt

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+default

init.lua

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+minetest.register_node("moognu:moognu", {
+	description = "MooGNU",
+	tiles = {"moognu_side.png", "moognu_side.png", "moognu_side.png",
+		"moognu_side.png", "moognu_back.png", "moognu_front.png"},
+	paramtype = "light",
+	light_source = default.LIGHT_MAX,
+	paramtype2 = "facedir",
+	groups = {cracky = 2},
+	is_ground_content = false,
+	legacy_facedir_simple = true,
+	sounds = default.node_sound_defaults(),
+})
+
+minetest.register_node("moognu:moognu_rainbow", {
+	description = "MooGNU Rainbow",
+	tiles = {
+		"moognu_rainbow.png^[transformR90",
+		"moognu_rainbow.png^[transformR90",
+		"moognu_rainbow.png"
+	},
+	paramtype = "light",
+	light_source = default.LIGHT_MAX,
+	paramtype2 = "facedir",
+	groups = {cracky = 2},
+	is_ground_content = false,
+	sounds = default.node_sound_defaults(),
+})
+
+minetest.register_craft({
+	type = "fuel",
+	recipe = "moognu:moognu",
+	burntime = 1,
+})
+
+minetest.register_craft({
+	type = "fuel",
+	recipe = "moognu:moognu_rainbow",
+	burntime = 1,
+})
+
+moognu = {}
+
+function moognu.place(pos, facedir, length)
+	if facedir > 3 then
+		facedir = 0
+	end
+	local tailvec = minetest.facedir_to_dir(facedir)
+	local p = {x = pos.x, y = pos.y, z = pos.z}
+	minetest.set_node(p, {name = "moognu:moognu", param2 = facedir})
+	for i = 1, length do
+		p.x = p.x + tailvec.x
+		p.z = p.z + tailvec.z
+		minetest.set_node(p, {name = "moognu:moognu_rainbow", param2 = facedir})
+	end
+end
+
+function moognu.generate(minp, maxp, seed)
+	local height_min = -31000
+	local height_max = -32
+	if maxp.y < height_min or minp.y > height_max then
+		return
+	end
+	local y_min = math.max(minp.y, height_min)
+	local y_max = math.min(maxp.y, height_max)
+	local volume = (maxp.x - minp.x + 1) * (y_max - y_min + 1) * (maxp.z - minp.z + 1)
+	local pr = PseudoRandom(seed + 9324342)
+	local max_num_moognus = math.floor(volume / (16 * 16 * 16))
+	for i = 1, max_num_moognus do
+		if pr:next(0, 1000) == 0 then
+			local x0 = pr:next(minp.x, maxp.x)
+			local y0 = pr:next(minp.y, maxp.y)
+			local z0 = pr:next(minp.z, maxp.z)
+			local p0 = {x = x0, y = y0, z = z0}
+			moognu.place(p0, pr:next(0, 3), pr:next(3, 15))
+		end
+	end
+end
+
+minetest.register_on_generated(function(minp, maxp, seed)
+	moognu.generate(minp, maxp, seed)
+end)
+
+-- Legacy
+minetest.register_alias("default:nyancat", "moognu:moognu")
+minetest.register_alias("nyancat:nyancat", "moognu:moognu")
+minetest.register_alias("default:nyancat_rainbow", "moognu:moognu_rainbow")
+minetest.register_alias("nyancat:nyancat_rainbow", "moognu:moognu_rainbow")

license.txt

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+License of source code
+----------------------
+
+GNU Lesser General Public License, version 2.1
+Copyright (C) 2011-2017 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2012-2017 Various Minetest developers and contributors
+Copyright (C) 2017 Thomas-S
+
+This program is free software; you can redistribute it and/or modify it under the terms
+of the 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.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU Lesser General Public License for more details:
+https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
+
+
+Licenses of media (textures)
+----------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2012-2017 VanessaE
+Copyright (C) 2012-2017 The contributors of http://archive.org/details/M00GNU
+Copyright (C) 2012-2017 tenplus1
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+ShareAlike — If you remix, transform, or build upon the material, you must distribute
+your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+
+For more details:
+http://creativecommons.org/licenses/by-sa/3.0/