write something there

mods/minetest_game/butterflies/README.txt

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+Minetest Game mod: Butterflies
+==============================
+Adds butterflies to the world on mapgen, which can be caught in a net if the
+fireflies mod is also enabled.
+
+Authors of source code
+----------------------
+Shara RedCat (MIT)
+
+Authors of media (textures)
+---------------------------
+Shara RedCat (CC BY-SA 3.0):
+  butterflies_butterfly_*.png
+  butterflies_butterfly_*_animated.png

mods/minetest_game/butterflies/init.lua

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+-- butterflies/init.lua
+
+-- Load support for MT game translation.
+local S = minetest.get_translator("butterflies")
+
+-- Legacy compatibility, when pointabilities don't exist, pointable is set to true.
+local pointable_compat = not minetest.features.item_specific_pointabilities
+
+-- register butterflies
+local butter_list = {
+	{"white",  S("White Butterfly")},
+	{"red",    S("Red Butterfly")},
+	{"violet", S("Violet Butterfly")}
+}
+
+for i in ipairs (butter_list) do
+	local name = butter_list[i][1]
+	local desc = butter_list[i][2]
+
+	minetest.register_node("butterflies:butterfly_"..name, {
+		description = desc,
+		drawtype = "plantlike",
+		tiles = {{
+			name = "butterflies_butterfly_"..name.."_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 3
+			},
+		}},
+		inventory_image = "butterflies_butterfly_"..name..".png",
+		wield_image =  "butterflies_butterfly_"..name..".png",
+		waving = 1,
+		paramtype = "light",
+		sunlight_propagates = true,
+		buildable_to = true,
+		walkable = false,
+		pointable = pointable_compat,
+		groups = {catchable = 1},
+		selection_box = {
+			type = "fixed",
+			fixed = {-0.1, -0.1, -0.1, 0.1, 0.1, 0.1},
+		},
+		floodable = true,
+		on_construct = function(pos)
+			minetest.get_node_timer(pos):start(1)
+		end,
+		on_timer = function(pos, elapsed)
+			if minetest.get_node_light(pos) < 11 then
+				minetest.set_node(pos, {name = "butterflies:hidden_butterfly_"..name})
+			end
+			minetest.get_node_timer(pos):start(30)
+		end
+	})
+
+	minetest.register_node("butterflies:hidden_butterfly_"..name, {
+		drawtype = "airlike",
+		inventory_image = "butterflies_butterfly_"..name..".png^default_invisible_node_overlay.png",
+		wield_image =  "butterflies_butterfly_"..name..".png^default_invisible_node_overlay.png",
+		paramtype = "light",
+		sunlight_propagates = true,
+		walkable = false,
+		pointable = false,
+		diggable = false,
+		drop = "",
+		groups = {not_in_creative_inventory = 1},
+		floodable = true,
+		on_construct = function(pos)
+			minetest.get_node_timer(pos):start(1)
+		end,
+		on_timer = function(pos, elapsed)
+			if minetest.get_node_light(pos) >= 11 then
+				minetest.set_node(pos, {name = "butterflies:butterfly_"..name})
+			end
+			minetest.get_node_timer(pos):start(30)
+		end
+	})
+end
+
+-- restart butterfly timers
+minetest.register_lbm({
+	name = "butterflies:butterfly_timer",
+	nodenames = {
+		"butterflies:butterfly_white",
+		"butterflies:butterfly_red",
+		"butterflies:butterfly_violet",
+		"butterflies:hidden_butterfly_white",
+		"butterflies:hidden_butterfly_red",
+		"butterflies:hidden_butterfly_violet",
+	},
+	run_at_every_load = true,
+
+	action = function(pos)
+		minetest.get_node_timer(pos):start(math.random(1,5))
+	end,
+})

mods/minetest_game/butterflies/license.txt

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+License of source code
+----------------------
+
+The MIT License (MIT)
+Copyright (c) 2018 Shara RedCat
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+For more details:
+https://opensource.org/licenses/MIT
+
+Licenses of media (textures)
+----------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2018 Shara RedCat
+
+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/

mods/minetest_game/butterflies/locale/butterflies.de.tr

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+# textdomain: butterflies
+White Butterfly=Weißer Schmetterling
+Red Butterfly=Roter Schmetterling
+Violet Butterfly=Violetter Schmetterling

mods/minetest_game/butterflies/locale/butterflies.eo.tr

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+# textdomain: butterflies
+White Butterfly=Blanka papilio
+Red Butterfly=Ruĝa papilio
+Violet Butterfly=Violkolora papilio

mods/minetest_game/butterflies/locale/butterflies.es.tr

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+# textdomain: butterflies
+White Butterfly=Mariposa blanca
+Red Butterfly=Mariposa roja
+Violet Butterfly=Mariposa violeta

mods/minetest_game/butterflies/locale/butterflies.fr.tr

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+# textdomain: butterflies
+White Butterfly=Papillon blanc
+Red Butterfly=Papillon rouge
+Violet Butterfly=Papillon violet

mods/minetest_game/butterflies/locale/butterflies.id.tr

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+# textdomain: butterflies
+White Butterfly=Kupu-Kupu Putih
+Red Butterfly=Kupu-Kupu Merah
+Violet Butterfly=Kupu-Kupu Ungu

mods/minetest_game/butterflies/locale/butterflies.it.tr

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+# textdomain: butterflies
+White Butterfly=Farfalla bianca
+Red Butterfly=Farfalla rossa
+Violet Butterfly=Farfalla viola

mods/minetest_game/butterflies/locale/butterflies.ja.tr

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+# textdomain: butterflies
+White Butterfly=白色の蝶
+Red Butterfly=赤色の蝶
+Violet Butterfly=紫色の蝶

mods/minetest_game/butterflies/locale/butterflies.jbo.tr

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+# textdomain: butterflies
+White Butterfly=lo blabi toldi
+Red Butterfly=lo xunre toldi
+Violet Butterfly=lo zirpu toldi

mods/minetest_game/butterflies/locale/butterflies.lv.tr

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+# textdomain: butterflies
+White Butterfly=Balts taurenis
+Red Butterfly=Sarkans taurenis
+Violet Butterfly=Violets taurenis

mods/minetest_game/butterflies/locale/butterflies.ms.tr

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+# textdomain: butterflies
+White Butterfly=Rama-Rama Putih
+Red Butterfly=Rama-Rama Merah
+Violet Butterfly=Rama-Rama Ungu

mods/minetest_game/butterflies/locale/butterflies.pl.tr

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+# textdomain: butterflies
+White Butterfly=Biały motyl
+Red Butterfly=Czerwony motyl
+Violet Butterfly=Fioletowy motyl

mods/minetest_game/butterflies/locale/butterflies.pt_BR.tr

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+# textdomain: butterflies
+White Butterfly=Borboleta Branca
+Red Butterfly=Borboleta Vermelha
+Violet Butterfly=Borboleta Violeta

mods/minetest_game/butterflies/locale/butterflies.ru.tr

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+# textdomain: butterflies
+White Butterfly=Белая бабочка
+Red Butterfly=Красная бабочка
+Violet Butterfly=Фиолетовая бабочка

mods/minetest_game/butterflies/locale/butterflies.sk.tr

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+# textdomain: butterflies
+White Butterfly=Biely motýlik
+Red Butterfly=Červený motýlik
+Violet Butterfly=Fialový motýlik

mods/minetest_game/butterflies/locale/butterflies.sv.tr

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+# textdomain: butterflies
+White Butterfly=Vit fjäril
+Red Butterfly=Röd fjäril
+Violet Butterfly=Violett fjäril

mods/minetest_game/butterflies/locale/butterflies.uk.tr

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+# textdomain: butterflies
+White Butterfly=Білий метелик
+Red Butterfly=Червоний метелик
+Violet Butterfly=Фіолетовий метелик

mods/minetest_game/butterflies/locale/butterflies.zh_CN.tr

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+# textdomain: butterflies
+White Butterfly=白蝴蝶
+Red Butterfly=红蝴蝶
+Violet Butterfly=紫蝴蝶

mods/minetest_game/butterflies/locale/butterflies.zh_TW.tr

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+# textdomain: butterflies
+White Butterfly=白蝴蝶
+Red Butterfly=紅蝴蝶
+Violet Butterfly=紫蝴蝶

mods/minetest_game/butterflies/locale/template.txt

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+# textdomain: butterflies
+White Butterfly=
+Red Butterfly=
+Violet Butterfly=

mods/minetest_game/butterflies/mod.conf

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+name = butterflies
+description = Minetest Game mod: Butterflies
+depends = default, flowers