many worldgen mods and gonna try technic now

mods/dfcaverns/oil/LICENSE.txt

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+Sounds and textures are under various licenses, see the license.txt file in the /sounds and /textures directories for details.
+
+License for Code
+----------------
+
+Copyright (C) 2018 FaceDeer
+
+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.

mods/dfcaverns/oil/init.lua

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+local modname = minetest.get_current_modname()
+local S = minetest.get_translator(modname)
+
+local oil_desc
+local oil_usage
+
+if minetest.get_modpath("doc") then
+	oil_desc = S("Liquid hydrocarbons formed from the detritus of long dead plants and animals processed by heat and pressure deep within the earth.")
+	oil_usage = S("Buckets of oil can be used as fuel.")
+end
+
+local oil_sounds = {footstep = {name = "oil_oil_footstep", gain = 0.2}}
+
+local water_source = df_dependencies.node_name_water_source
+local water_flowing = df_dependencies.node_name_water_flowing
+local bucket_empty = df_dependencies.node_name_bucket_empty
+
+minetest.register_node("oil:oil_source", {
+	description = S("Oil"),
+	_doc_items_longdesc = oil_desc,
+	_doc_items_usagehelp = oil_usage,
+	drawtype = "liquid",
+	tiles = {
+		{
+			name = "oil_oil_source_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 2.0,
+			},
+		},
+	},
+	special_tiles = {
+		-- New-style water source material (mostly unused)
+		{
+			name = "oil_oil_source_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 2.0,
+			},
+			backface_culling = false,
+		},
+	},
+	alpha = 255,
+	paramtype = "light",
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	sunlight_propagates = false,
+	buildable_to = true,
+	is_ground_content = false,
+	drop = "",
+	drowning = 1,
+	liquidtype = "source",
+	liquid_range = 3,
+	liquid_renewable = false,
+	liquid_alternative_flowing = "oil:oil_flowing",
+	liquid_alternative_source = "oil:oil_source",
+	liquid_viscosity = 1,
+	post_effect_color = {a = 250, r = 0, g = 0, b = 0},
+	groups = {liquid = 1, dig_by_piston=1},
+	sounds = oil_sounds,
+	_mcl_blast_resistance      = 100,
+	_mcl_hardness              = -1,
+})
+
+minetest.register_node("oil:oil_flowing", {
+	description = S("Flowing Oil"),
+	_doc_items_longdesc = oil_desc,
+	_doc_items_usagehelp = oil_usage,
+	drawtype = "flowingliquid",
+	tiles = {"oil_oil.png"},
+	special_tiles = {
+		{
+			name = "oil_oil_flowing_animated.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 4.0,
+			},
+		},
+		{
+			name = "oil_oil_flowing_animated.png",
+			backface_culling = true,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 4.0,
+			},
+		},
+	},
+	alpha = 255,
+	paramtype = "light",
+	paramtype2 = "flowingliquid",
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	is_ground_content = false,
+	sunlight_propagates = false,
+	drop = "",
+	drowning = 1,
+	liquidtype = "flowing",
+	liquid_range = 3,
+	liquid_renewable = false,
+	liquid_alternative_flowing = "oil:oil_flowing",
+	liquid_alternative_source = "oil:oil_source",
+	liquid_viscosity = 1,
+	post_effect_color = {a = 250, r = 0, g = 0, b = 0},
+	groups = {liquid = 1, not_in_creative_inventory = 1, dig_by_piston=1},
+	sounds = oil_sounds,
+	_mcl_blast_resistance      = 100,
+	_mcl_hardness              = -1,
+})
+
+minetest.register_craft({
+	type = "fuel",
+	recipe = "oil:oil_source",
+	burntime = 370, -- same as coalblock
+})
+
+if minetest.get_modpath("dynamic_liquid") then
+	dynamic_liquid.liquid_abm("oil:oil_source", "oil:oil_flowing", 2)
+
+	-- not using default liquid_abm to prevent oil from churning around once it's on the surface of water - we want slicks to remain cohesive and static
+	minetest.register_abm({
+		label = "oil:oil floats",
+		nodenames = {"oil:oil_source"},
+		neighbors = {water_source},
+		interval = 1.0,
+		chance = 1,
+		catch_up = true,
+		action = function(pos, node)
+			local next_pos = {x=pos.x, y=pos.y+1, z=pos.z}
+			local next_node = minetest.get_node(next_pos)
+			local above_name = next_node.name
+			if above_name == water_source then
+				minetest.swap_node(next_pos, {name="oil:oil_source"})
+				minetest.swap_node(pos, next_node)
+			else
+				next_pos.y = pos.y
+				local displacement
+				if math.random() > 0.5 then displacement = 1 else displacement = -1 end
+				if math.random() > 0.5 then
+					next_pos.x = next_pos.x + displacement
+				else
+					next_pos.z = next_pos.z + displacement
+				end
+				next_node = minetest.get_node(next_pos)
+				if next_node.name == water_source then
+					if above_name ~= "air" then
+						-- we're not on the surface, so try any lateral movement
+						minetest.swap_node(next_pos, {name="oil:oil_source"})
+						minetest.swap_node(pos, next_node)
+					elseif math.random() < 0.1 then -- expensive and not commonly needed, so don't try this often
+						--Otherwise, count neighboring oil nodes and if we're increasing the number of neighboring oil nodes by moving then do so.
+						local oil_neighbors_here, here_count = minetest.find_nodes_in_area({x=pos.x-1, y=pos.y, z=pos.z-1}, {x=pos.x+1, y=pos.y, z=pos.z+1}, {"oil:oil_source"})
+						local oil_neighbors_there, there_count = minetest.find_nodes_in_area({x=next_pos.x-1, y=next_pos.y, z=next_pos.z-1}, {x=next_pos.x+1, y=next_pos.y, z=next_pos.z+1}, {"oil:oil_source"})
+						if there_count["oil:oil_source"] >= here_count["oil:oil_source"] then
+							minetest.swap_node(next_pos, {name="oil:oil_source"})
+							minetest.swap_node(pos, next_node)
+						end
+					end
+				end				
+			end
+		end,
+	})
+	
+	-- If oil is wandering around on top of a layer of water that isn't full, drop it down
+	-- into the water layer. This helps drive the system toward a more static state with a flat-looking surface.
+	minetest.register_abm({
+		label = "oil:oil settles",
+		nodenames = {"oil:oil_source"},
+		neighbors = {water_flowing},
+		interval = 1.0,
+		chance = 1,
+		catch_up = true,
+		action = function(pos, node)
+			local next_pos = {x=pos.x, y=pos.y-1, z=pos.z}
+			local next_node = minetest.get_node(next_pos)
+			if next_node.name == water_flowing then
+				minetest.swap_node(next_pos, {name="oil:oil_source"})
+				minetest.swap_node(pos, next_node)
+			end
+		end,
+	})
+
+end
+
+if df_dependencies.bucket_register_liquid then
+	df_dependencies.bucket_register_liquid(
+		"oil:oil_source",
+		"oil:oil_flowing",
+		"oil:oil_bucket",
+		"oil_bucket.png",
+		S("Oil Bucket")
+	)
+
+	minetest.register_craft({
+		type = "fuel",
+		recipe = "oil:oil_bucket",
+		burntime = 370, -- same as coalblock
+		replacements = {{"oil:oil_bucket", bucket_empty}},
+	})
+	
+	if minetest.get_modpath("basic_materials") then
+		minetest.register_craft({
+			type = "cooking",
+			output = "basic_materials:paraffin",
+			recipe = "oil:oil_bucket",
+			cooktime = 5,
+			replacements = {{"oil:oil_bucket", bucket_empty}},
+		})
+	end
+end

mods/dfcaverns/oil/locale/oil.de.tr

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+# textdomain: oil
+
+
+### init.lua ###
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Buckets of oil can be used as fuel.=Eimer Öl können als Kraftstoff verwendet werden.
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Flowing Oil=Fließendes Öl
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Liquid hydrocarbons formed from the detritus of long dead plants and animals processed by heat and pressure deep within the earth.=Flüssige Kohlenwasserstoffe, die aus dem Abfall langer toter Pflanzen und Tiere entstehen, die durch Hitze und Druck tief in der Erde verarbeitet werden.
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Oil=Öl
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Oil Bucket=Öleimer

mods/dfcaverns/oil/locale/oil.it.tr

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+# textdomain: oil
+
+
+### init.lua ###
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Buckets of oil can be used as fuel.=I secchi d'olio possono essere usati come carburante.
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Flowing Oil=Olio che scorre
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Liquid hydrocarbons formed from the detritus of long dead plants and animals processed by heat and pressure deep within the earth.=Idrocarburi liquidi formati dai detriti di piante e animali morti da tempo lavorati dal calore e dalla pressione nelle profondità della terra.
+
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Oil=Olio
+#WARNING: AUTOTRANSLATED BY GOOGLE TRANSLATE
+Oil Bucket=Secchio d'olio

mods/dfcaverns/oil/locale/template.txt

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+# textdomain: oil
+
+
+### init.lua ###
+
+Buckets of oil can be used as fuel.=
+Flowing Oil=
+
+Liquid hydrocarbons formed from the detritus of long dead plants and animals processed by heat and pressure deep within the earth.=
+
+Oil=
+Oil Bucket=

mods/dfcaverns/oil/mod.conf

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+name = oil
+description = Oil liquid type
+depends = df_dependencies
+optional_depends = dynamic_liquid, doc, basic_materials

mods/dfcaverns/oil/sounds/license.txt

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+oil footstep 1-4 extracted from https://freesound.org/people/VlatkoBlazek/sounds/318592/
+Released under the CC BY 3.0 license by:
+Vlatko Blažek
+Varaždin, Croatia
+e-mail: vlatkoblazek@gmail.com
+http://www.freesound.org/people/VlatkoBlazek/

mods/dfcaverns/oil/textures/license.txt

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+All textures not specifically listed here are created by FaceDeer and released under both the MIT license and under the Creative Commons CC0 license.
+
+oil_bucket and oil liquid textures modified from default mod's bucket and water textures