many worldgen mods and gonna try technic now

mods/dfcaverns/ice_sprites/README.txt

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+Minetest Game mod: ice_sprites
+============================
+Adds ice sprites, which can then be caught in a net (via the fireflies mod) and placed in bottles to provide light (via the vessels mod).
+
+Authors of source code
+----------------------
+Shara RedCat (MIT)
+
+Authors of media (textures)
+---------------------------
+Shara RedCat (CC BY-SA 3.0):
+  fireflies_firefly.png
+  fireflies_firefly_animated.png
+  fireflies_bottle.png
+  fireflies_bottle_animated.png
+
+fireflies_bottle.png and fireflies_bottle_animated.png are
+modified from a texture by Vanessa Ezekowitz (CC BY-SA 3.0)
+
+converted to ice_sprite textures by FaceDeer, who simply changed the yellow dots to blue.

mods/dfcaverns/ice_sprites/init.lua

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+ice_sprites = {}
+
+local modname = minetest.get_current_modname()
+local S = minetest.get_translator(modname)
+
+local ice_sprite_desc
+local ice_sprite_usage
+local ice_sprite_bottle_desc
+local ice_sprite_bottle_usage
+
+local node_name_glass_bottle = df_dependencies.node_name_glass_bottle
+local node_name_firefly = df_dependencies.node_name_fireflies
+
+if minetest.get_modpath("doc") then
+	ice_sprite_desc = S("Ice sprites are mysterious glowing insect-like creatures that appear to be made partly of crystallized water.")
+	if node_name_glass_bottle then
+		if node_name_firefly then
+			ice_sprite_usage = S("Ice sprites can be caught with nets and placed in bottles as sources of light and freezing cold.")
+		end
+		ice_sprite_bottle_desc = S("A bottle containing a captured ice sprite.")
+		ice_sprite_bottle_usage = S("Ice sprites radiate both light and freezing cold.")
+	end	
+end
+	
+minetest.register_node("ice_sprites:ice_sprite", {
+	description = S("Ice Sprite"),
+	_doc_items_longdesc = ice_sprite_desc,
+	_doc_items_usagehelp = ice_sprite_usage,
+	drawtype = "plantlike",
+	tiles = {{
+		name = "ice_sprites_ice_sprite_animated.png",
+		animation = {
+			type = "vertical_frames",
+			aspect_w = 16,
+			aspect_h = 16,
+			length = 1.5
+		},
+	}},
+	inventory_image = "ice_sprites_ice_sprite.png",
+	wield_image = "ice_sprites_ice_sprite.png",
+	waving = 1,
+	paramtype = "light",
+	sunlight_propagates = true,
+	buildable_to = true,
+	is_ground_content = false,
+	walkable = false,
+	groups = {catchable = 1, puts_out_fire = 1, cools_lava = 1, freezes_water = 1},
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.1, -0.1, -0.1, 0.1, 0.1, 0.1},
+	},
+	light_source = 6,
+	floodable = true,
+	_mcl_blast_resistance = 0.1,
+	_mcl_hardness = 0.1,
+	on_place = function(itemstack, placer, pointed_thing)
+		local player_name = placer:get_player_name()
+		local pos = pointed_thing.above
+
+		if not minetest.is_protected(pos, player_name) and
+				not minetest.is_protected(pointed_thing.under, player_name) and
+				minetest.get_node(pos).name == "air" then
+			minetest.set_node(pos, {name = "ice_sprites:ice_sprite"})
+			minetest.get_node_timer(pos):start(1)
+			itemstack:take_item()
+		end
+		return itemstack
+	end,
+	on_timer = function(pos, elapsed)
+		if minetest.get_node_light(pos) > 11 or math.random() > 0.5 then
+			minetest.set_node(pos, {name = "ice_sprites:hidden_ice_sprite"})
+		end
+		minetest.get_node_timer(pos):start(math.random(20,40))
+	end
+})
+
+minetest.register_node("ice_sprites:hidden_ice_sprite", {
+	description = S("Hidden Ice Sprite"),
+	drawtype = "airlike",
+	inventory_image = "ice_sprites_ice_sprite.png",
+	wield_image =  "ice_sprites_ice_sprite.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	is_ground_content = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "ice_sprites:ice_sprite",
+	groups = {not_in_creative_inventory = 1},
+	floodable = true,
+	_mcl_blast_resistance = 0.1,
+	_mcl_hardness = 0.1,
+	on_place = function(itemstack, placer, pointed_thing)
+		local player_name = placer:get_player_name()
+		local pos = pointed_thing.above
+
+		if not minetest.is_protected(pos, player_name) and
+				not minetest.is_protected(pointed_thing.under, player_name) and
+				minetest.get_node(pos).name == "air" then
+			minetest.set_node(pos, {name = "ice_sprites:hidden_ice_sprite"})
+			minetest.get_node_timer(pos):start(1)
+			itemstack:take_item()
+		end
+		return itemstack
+	end,
+	on_timer = function(pos, elapsed)
+		if minetest.get_node_light(pos) <= 11 then
+			minetest.set_node(pos, {name = "ice_sprites:ice_sprite"})
+		end
+		minetest.get_node_timer(pos):start(math.random(20,40))
+	end
+})
+
+-- ice sprite in a bottle
+if node_name_glass_bottle then
+
+local glass_sounds
+if minetest.get_modpath("df_dependencies") then
+	glass_sounds = df_dependencies.sound_glass
+end
+
+minetest.register_node("ice_sprites:ice_sprite_bottle", {
+	description = S("Ice Sprite in a Bottle"),
+	_doc_items_longdesc = ice_sprite_bottle_desc,
+	_doc_items_usagehelp = ice_sprite_bottle_usage,
+	inventory_image = "ice_sprites_bottle.png",
+	wield_image = "ice_sprites_bottle.png",
+	tiles = {{
+		name = "ice_sprites_bottle_animated.png",
+		animation = {
+			type = "vertical_frames",
+			aspect_w = 16,
+			aspect_h = 16,
+			length = 1.5
+		},
+	}},
+	drawtype = "plantlike",
+	paramtype = "light",
+	sunlight_propagates = true,
+	light_source = 9,
+	is_ground_content = false,
+	walkable = false,
+	groups = {dig_immediate = 3, attached_node = 1, puts_out_fire = 1, cools_lava = 1, freezes_water = 1, material_glass=1},
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.25, -0.5, -0.25, 0.25, 0.3, 0.25}
+	},
+	_mcl_blast_resistance = 0.5,
+	_mcl_hardness = 0.5,
+	sounds = glass_sounds(),
+	on_rightclick = function(pos, node, player, itemstack, pointed_thing)
+		local lower_pos = {x = pos.x, y = pos.y + 1, z = pos.z}
+		if minetest.is_protected(pos, player:get_player_name()) or
+				minetest.get_node(lower_pos).name ~= "air" then
+			return
+		end
+
+		local upper_pos = {x = pos.x, y = pos.y + 2, z = pos.z}
+		local ice_sprite_pos
+
+		if not minetest.is_protected(upper_pos, player:get_player_name()) and
+				minetest.get_node(upper_pos).name == "air" then
+			ice_sprite_pos = upper_pos
+		elseif not minetest.is_protected(lower_pos, player:get_player_name()) then
+			ice_sprite_pos = lower_pos
+		end
+
+		if ice_sprite_pos then
+			minetest.set_node(pos, {name = node_name_glass_bottle})
+			minetest.set_node(ice_sprite_pos, {name = "ice_sprites:ice_sprite"})
+			minetest.get_node_timer(ice_sprite_pos):start(1)
+		end
+	end
+})
+
+minetest.register_craft( {
+	type = "shapeless",
+	output = "ice_sprites:ice_sprite_bottle",
+	recipe = {"ice_sprites:ice_sprite", node_name_glass_bottle}
+})
+end

mods/dfcaverns/ice_sprites/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/dfcaverns/ice_sprites/locale/ice_sprites.de.tr

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+# textdomain: ice_sprites
+
+
+### init.lua ###
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+A bottle containing a captured ice sprite.=Eine Flasche mit einem erbeuteten Eisgeist.
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Hidden Ice Sprite=Verstecktes Eis-Sprite
+Ice Sprite=
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Ice Sprite in a Bottle=Ice Sprite in einer Flasche
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Ice sprites are mysterious glowing insect-like creatures that appear to be made partly of crystallized water.=Eisgeister sind mysteriös leuchtende insektenähnliche Wesen, die teilweise aus kristallisiertem Wasser zu bestehen scheinen.
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Ice sprites can be caught with nets and placed in bottles as sources of light and freezing cold.=Eisgeister können mit Netzen aufgefangen und als Lichtquelle und eiskalte in Flaschen abgefüllt werden.
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Ice sprites radiate both light and freezing cold.=Eisgeister strahlen sowohl Licht als auch eiskalt aus.

mods/dfcaverns/ice_sprites/locale/ice_sprites.it.tr

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+# textdomain: ice_sprites
+
+
+### init.lua ###
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+A bottle containing a captured ice sprite.=Una bottiglia contenente uno sprite di ghiaccio catturato.
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Hidden Ice Sprite=Sprite di ghiaccio nascosto
+Ice Sprite=
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Ice Sprite in a Bottle=Ice Sprite in una bottiglia
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Ice sprites are mysterious glowing insect-like creatures that appear to be made partly of crystallized water.=Gli sprite del ghiaccio sono misteriose creature luminose simili a insetti che sembrano essere costituite in parte da acqua cristallizzata.
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Ice sprites can be caught with nets and placed in bottles as sources of light and freezing cold.=Gli sprite del ghiaccio possono essere catturati con reti e posti in bottiglie come fonti di luce e freddo gelido.
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Ice sprites radiate both light and freezing cold.=Gli sprite del ghiaccio irradiano luce e freddo gelido.

mods/dfcaverns/ice_sprites/locale/template.txt

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+# textdomain: ice_sprites
+
+
+### init.lua ###
+
+A bottle containing a captured ice sprite.=
+Hidden Ice Sprite=
+Ice Sprite=
+Ice Sprite in a Bottle=
+
+Ice sprites are mysterious glowing insect-like creatures that appear to be made partly of crystallized water.=
+
+Ice sprites can be caught with nets and placed in bottles as sources of light and freezing cold.=
+
+Ice sprites radiate both light and freezing cold.=

mods/dfcaverns/ice_sprites/mod.conf

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+name = ice_sprites
+description = Glowing blue firefly-like nodes
+depends =
+optional_depends = df_dependencies, doc