nether layer tweak

asteroid_layer_helpers.lua

@@ -1,8 +1,10 @@
 
 -- submodule
+
 otherworlds.asteroids = {}
 
 -- Approximate realm limits
+
 local XMIN = -33000
 local XMAX = 33000
 local ZMIN = -33000
@@ -29,68 +31,56 @@ local abs = math.abs
 
 -- Note: for fewer large objects: increase the 'spread' numbers in 'np_large' noise parameters. For fewer small objects do the same in 'np_small'. Then tune size with 'ASCOT'
 
--- 3D Perlin noise 1 for large structures
-local np_large = {
+local np_large = { -- 3D Perlin noise 1 for large structures
 	offset = 0,
 	scale = 1,
 	spread = {x = 256, y = 128, z = 256},
 	seed = -83928935,
 	octaves = 5,
-	persist = 0.6
-}
+	persist = 0.6}
 
--- 3D Perlin noise 3 for fissures
-local np_fissure = {
+local np_fissure = { -- 3D Perlin noise 3 for fissures
 	offset = 0,
 	scale = 1,
 	spread = {x = 64, y = 64, z = 64},
 	seed = -188881,
 	octaves = 4,
-	persist = 0.5
-}
+	persist = 0.5}
 
--- 3D Perlin noise 4 for small structures
-local np_small = {
+local np_small = { -- 3D Perlin noise 4 for small structures
 	offset = 0,
 	scale = 1,
 	spread = {x = 128, y = 64, z = 128},
 	seed = 1000760700090,
 	octaves = 4,
-	persist = 0.6
-}
+	persist = 0.6}
 
--- 3D Perlin noise 5 for ore selection
-local np_ores = {
+local np_ores = { -- 3D Perlin noise 5 for ore selection
 	offset = 0,
 	scale = 1,
 	spread = {x = 128, y = 128, z = 128},
 	seed = -70242,
 	octaves = 1,
-	persist = 0.5
-}
+	persist = 0.5}
 
--- 3D Perlin noise 6 for comet atmosphere
-local np_latmos = {
+local np_latmos = { -- 3D Perlin noise 6 for comet atmosphere
 	offset = 0,
 	scale = 1,
 	spread = {x = 256, y = 128, z = 256},
 	seed = -83928935,
 	octaves = 3,
-	persist = 0.6
-}
+	persist = 0.6}
 
--- 3D Perlin noise 7 for small comet atmosphere
-local np_satmos = {
+local np_satmos = { -- 3D Perlin noise 7 for small comet atmosphere
 	offset = 0,
 	scale = 1,
 	spread = {x = 128, y = 64, z = 128},
 	seed = 1000760700090,
 	octaves = 2,
-	persist = 0.6
-}
-
+	persist = 0.6}
 
 -- On dignode function. Atmosphere flows into a dug hole.
+
 minetest.register_on_dignode(function(pos, oldnode, digger)
 
 	if minetest.find_node_near(pos, 1, {"asteroid:atmos"})
@@ -99,12 +89,9 @@ minetest.register_on_dignode(function(pos, oldnode, digger)
 	end
 end)
 
-
 -- Generate on_generated function based on parameters
-function otherworlds.asteroids.create_on_generated(ymin, ymax, content_ids)
 
-	local YMIN = ymin
-	local YMAX = ymax
+function otherworlds.asteroids.create_on_generated(YMIN, YMAX, content_ids)
 
 	local c_air = content_ids.c_air
 	local c_stone = content_ids.c_stone
@@ -130,12 +117,8 @@ function otherworlds.asteroids.create_on_generated(ymin, ymax, content_ids)
 			return
 		end
 
-		local x1 = maxp.x
-		local y1 = maxp.y
-		local z1 = maxp.z
-		local x0 = minp.x
-		local y0 = minp.y
-		local z0 = minp.z
+		local x0, y0, z0 = minp.x, minp.y, minp.z
+		local x1, y1, z1 = maxp.x, maxp.y, maxp.z
 
 -- local t1 = os.clock()
 --print ("[asteroid] chunk ("..x0.." "..y0.." "..z0..")")
@@ -292,14 +275,10 @@ function otherworlds.asteroids.create_on_generated(ymin, ymax, content_ids)
 
 						nodeid = data[vi]
 
-						if nodeid == c_gravel
-						or nodeid == c_cobble
-						or nodeid == c_stone
-						or nodeid == c_diamondore
-						or nodeid == c_goldore
-						or nodeid == c_meseore
-						or nodeid == c_copperore
-						or nodeid == c_ironore then
+						if nodeid == c_gravel or nodeid == c_cobble
+						or nodeid == c_stone or nodeid == c_diamondore
+						or nodeid == c_goldore or nodeid == c_meseore
+						or nodeid == c_copperore or nodeid == c_ironore then
 							data[vi] = c_dust
 						end
 
@@ -307,8 +286,7 @@ function otherworlds.asteroids.create_on_generated(ymin, ymax, content_ids)
 
 						nodeid = data[vi]
 
-						if nodeid == c_cobble
-						or nodeid == c_stone then
+						if nodeid == c_cobble or nodeid == c_stone then
 							data[vi] = c_obsidian -- obsidian buried under dust
 						end
 					end

crafting.lua

@@ -1,3 +1,6 @@
+
+-- register craft recipes when enabled
+
 if otherworlds.settings.crafting.enable then
 
 	minetest.register_craft({

crystals.lua

@@ -1,52 +0,0 @@
-
-local sbox = {
-	type = "fixed",
-	fixed = {-5/16, -8/16, -6/16, 5/16, -1/32, 5/16}
-}
-
-local crystal_list = {
-	{"ghost_crystal", "ghost_crystal.png"},
-	{"red_crystal", "red_crystal.png"},
-	{"rose_quartz", "rose_quartz.png"}
-}
-
-
-for i in ipairs(crystal_list) do
-
-	local name = crystal_list[i][1]
-	local texture = crystal_list[i][2]
-
-	minetest.register_node(":crystals:" .. name .. "_1", {
-		description = "Glowing Crystal",
-		drawtype = "mesh",
-		mesh = "crystal_shape01.obj",
-		tiles = {"crystals_" .. texture},
-		wield_scale = {x = 7, y = 7, z = 7},
-		paramtype = "light",
-		paramtype2 = "facedir",
-		selection_box = sbox,
-		walkable = false,
-		light_source = 10,
-		use_texture_alpha = "blend",
-		visual_scale = 10,
-		groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3},
-		sounds = default.node_sound_glass_defaults()
-	})
-
-	minetest.register_node(":crystals:" .. name .. "_2", {
-		description = "Glowing Crystal",
-		drawtype = "mesh",
-		mesh = "crystal_shape02.obj",
-		tiles = {"crystals_" .. texture},
-		wield_scale = {x = 7, y = 7, z = 7},
-		paramtype = "light",
-		paramtype2 = "facedir",
-		selection_box = sbox,
-		walkable = false,
-		light_source = 10,
-		use_texture_alpha = "blend",
-		visual_scale = 10,
-		groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3},
-		sounds = default.node_sound_glass_defaults()
-	})
-end

init.lua

@@ -1,15 +1,17 @@
-local modpath = minetest.get_modpath("other_worlds") .. DIR_DELIM
+
+-- global, mod path and load mod sections
 
 otherworlds = {}
 
+local modpath = minetest.get_modpath("other_worlds") .. "/"
+
 dofile(modpath .. "settings.lua")
-dofile(modpath .. "mars_plants.lua")
-dofile(modpath .. "crystals.lua")
-dofile(modpath .. "space_nodes.lua")
+dofile(modpath .. "nodes.lua")
 dofile(modpath .. "crafting.lua")
 dofile(modpath .. "skybox.lua")
 
 -- required helpers for mapgen options below
+
 dofile(modpath .. "asteroid_layer_helpers.lua")
 
 if otherworlds.settings.space_asteroids.enable then
@@ -19,3 +21,6 @@ end
 if otherworlds.settings.redsky_asteroids.enable then
 	dofile(modpath .. "redsky_asteroids.lua")
 end
+
+
+print("[MOD] Other Worlds loaded")

license.txt

@@ -14,8 +14,7 @@ By Electra Gizen
 
 Skybox texture:
 License: CC BY-SA 3.0 (https://creativecommons.org/licenses/by/3.0/)
-Attribution: Ulukai (available from http://opengameart.org/content/ulukais-space-skyboxes) 
-
+Attribution: Ulukai (available from http://opengameart.org/content/ulukais-space-skyboxes)
 
 ---
 
@@ -24,7 +23,6 @@ Grass textures based on default mod in minetest_game (WTFPL).
 Redgrass texture based on junglegrass texture in default mod in minetest_game (assumed to be CC BY-SA 3.0).
 Red versions of asteroid textures (CC BY-SA 3.0).
 
-
 ---
 
 Textures created for this mod:

mars_plants.lua

@@ -1,118 +0,0 @@
-minetest.register_node(":mars:redgrass", {
-	description = "Red Grass",
-	drawtype = "plantlike",
-	waving = 1,
-	visual_scale = 1.3,
-	tiles = {"mars_redgrass.png"},
-	inventory_image = "mars_redgrass.png",
-	wield_image = "mars_redgrass.png",
-	paramtype = "light",
-	sunlight_propagates = true,
-	walkable = false,
-	buildable_to = true,
-	groups = {snappy = 3, flora = 1, attached_node = 1},
-	sounds = default.node_sound_leaves_defaults(),
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5}
-	}
-})
-
-minetest.register_node(":mars:redweed", {
-	description = "Red Weed",
-	drawtype = "plantlike",
-	waving = 1,
-	visual_scale = 1.3,
-	tiles = {"mars_redweed.png"},
-	inventory_image = "mars_redweed.png",
-	wield_image = "mars_redweed.png",
-	paramtype = "light",
-	sunlight_propagates = true,
-	walkable = false,
-	buildable_to = true,
-	groups = {snappy = 3, flora = 1, attached_node = 1},
-	sounds = default.node_sound_leaves_defaults(),
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5}
-	}
-})
-
-minetest.register_node(":mars:moss", {
-	description = "Martian Moss",
-	drawtype = "nodebox",
-	tiles = {"mars_moss.png"},
-	inventory_image = "mars_moss.png",
-	wield_image = "mars_moss.png",
-	paramtype = "light",
-	paramtype2 = "facedir",
-	use_texture_alpha = "clip",
-	sunlight_propagates = true,
-	walkable = false,
-	node_box = {
-		type = "fixed",
-		fixed = {-1/2, -1/2, -1/2, 1/2, -15/32, 1/2},
-	},
-	selection_box = {
-		type = "fixed",
-		fixed = {-1/2, -1/2, -1/2, 1/2, -15/32, 1/2},
-	},
-	groups = {snappy = 3, flora = 1, attached_node = 1},
-	sounds = default.node_sound_leaves_defaults()
-})
-
---mars grass
-minetest.register_node(":mars:grass_1", {
-	description = "Martian Grass",
-	drawtype = "plantlike",
-	waving = 1,
-	tiles = {"mars_grass_1.png"},
-	inventory_image = "mars_grass_3.png",
-	wield_image = "mars_grass_3.png",
-	paramtype = "light",
-	sunlight_propagates = true,
-	walkable = false,
-	buildable_to = true,
-	groups = {snappy = 3, flora = 1, attached_node = 1},
-	sounds = default.node_sound_leaves_defaults(),
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5}
-	},
-
-	on_place = function(itemstack, placer, pointed_thing)
-
-		-- place a random grass node
-		local stack = ItemStack("mars:grass_" .. math.random(5))
-		local ret = minetest.item_place(stack, placer, pointed_thing)
-
-		return ItemStack("mars:grass_1 "
-			.. itemstack:get_count() - (1 - ret:get_count()))
-	end
-})
-
-for i = 2, 5 do
-
-	minetest.register_node(":mars:grass_" .. i, {
-		description = "Martian Grass",
-		drawtype = "plantlike",
-		waving = 1,
-		tiles = {"mars_grass_" .. i .. ".png"},
-		inventory_image = "mars_grass_" .. i .. ".png",
-		wield_image = "mars_grass_" .. i .. ".png",
-		paramtype = "light",
-		sunlight_propagates = true,
-		walkable = false,
-		buildable_to = true,
-		drop = "mars:grass_1",
-		groups = {
-			snappy = 3, flora = 1, attached_node = 1,
-			not_in_creative_inventory = 1
-		},
-		sounds = default.node_sound_leaves_defaults(),
-		selection_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5}
-		}
-	})
-end

mod.conf

@@ -1,5 +1,5 @@
 name = other_worlds
 description = Adds asteroid layers and height-based skybox switches to create space environments.
 depends = default
-optional_depends = pova
+optional_depends = pova, nether
 min_minetest_version = 5.0

nodes.lua

@@ -0,0 +1,311 @@
+
+-- Asteroid nodes
+
+minetest.register_node(":asteroid:stone", {
+	description = "Asteroid Stone",
+	tiles = {"default_stone.png"},
+	is_ground_content = false,
+	drop = 'asteroid:cobble',
+	groups = {cracky = 3, stone = 1, not_in_creative_inventory = 1},
+	sounds = default.node_sound_stone_defaults()
+})
+
+minetest.register_node(":asteroid:redstone", {
+	description = "Asteroid Stone",
+	tiles = {"asteroid_redstone.png"},
+	is_ground_content = false,
+	drop = 'asteroid:redcobble',
+	groups = {cracky = 3, stone = 1},
+	sounds = default.node_sound_stone_defaults()
+})
+
+minetest.register_node(":asteroid:cobble", {
+	description = "Asteroid Cobble",
+	tiles = {"asteroid_cobble.png"},
+	is_ground_content = false,
+	groups = {cracky = 3, stone = 2},
+	sounds = default.node_sound_stone_defaults()
+})
+
+minetest.register_node(":asteroid:redcobble", {
+	description = "Asteroid Cobble",
+	tiles = {"asteroid_redcobble.png"},
+	is_ground_content = false,
+	groups = {cracky = 3, stone = 2},
+	sounds = default.node_sound_stone_defaults()
+})
+
+minetest.register_node(":asteroid:gravel", {
+	description = "Asteroid Gravel",
+	tiles = {"asteroid_gravel.png"},
+	is_ground_content = false,
+	groups = {crumbly = 2},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name = "default_gravel_footstep", gain = 0.2}
+	})
+})
+
+minetest.register_node(":asteroid:redgravel", {
+	description = "Asteroid Gravel",
+	tiles = {"asteroid_redgravel.png"},
+	is_ground_content = false,
+	groups = {crumbly = 2},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name = "default_gravel_footstep", gain = 0.2}
+	})
+})
+
+minetest.register_node(":asteroid:dust", {
+	description = "Asteroid Dust",
+	tiles = {"asteroid_dust.png"},
+	is_ground_content = false,
+	groups = {crumbly = 3},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name = "default_gravel_footstep", gain = 0.1}
+	})
+})
+
+minetest.register_node(":asteroid:reddust", {
+	description = "Asteroid Dust",
+	tiles = {"asteroid_reddust.png"},
+	is_ground_content = false,
+	groups = {crumbly = 3},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name = "default_gravel_footstep", gain = 0.1}
+	})
+})
+
+minetest.register_node(":asteroid:ironore", {
+	description = "Asteroid Iron Ore",
+	tiles = {"asteroid_redstone.png^default_mineral_iron.png"},
+	is_ground_content = false,
+	groups = {cracky = 2},
+	drop = "default:iron_lump",
+	sounds = default.node_sound_stone_defaults()
+})
+
+minetest.register_node(":asteroid:copperore", {
+	description = "Asteroid Copper Ore",
+	tiles = {"asteroid_redstone.png^default_mineral_copper.png"},
+	is_ground_content = false,
+	groups = {cracky = 2},
+	drop = "default:copper_lump",
+	sounds = default.node_sound_stone_defaults()
+})
+
+minetest.register_node(":asteroid:goldore", {
+	description = "Asteroid Gold Ore",
+	tiles = {"asteroid_redstone.png^default_mineral_gold.png"},
+	is_ground_content = false,
+	groups = {cracky = 2},
+	drop = "default:gold_lump",
+	sounds = default.node_sound_stone_defaults()
+})
+
+minetest.register_node(":asteroid:diamondore", {
+	description = "Asteroid Diamond Ore",
+	tiles = {"asteroid_redstone.png^default_mineral_diamond.png"},
+	is_ground_content = false,
+	groups = {cracky = 1},
+	drop = "default:diamond",
+	sounds = default.node_sound_stone_defaults()
+})
+
+minetest.register_node(":asteroid:meseore", {
+	description = "Asteroid Mese Ore",
+	tiles = {"asteroid_redstone.png^default_mineral_mese.png"},
+	is_ground_content = false,
+	groups = {cracky = 1},
+	drop = "default:mese_crystal",
+	sounds = default.node_sound_stone_defaults()
+})
+
+minetest.register_node(":asteroid:atmos", {
+	description = "Comet Atmosphere",
+	drawtype = "glasslike",
+	tiles = {"asteroid_atmos.png"},
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	is_ground_content = false,
+	use_texture_alpha = "blend",
+	post_effect_color = {a = 31, r = 241, g = 248, b = 255},
+	groups = {not_in_creative_inventory = 1},
+	drop = {}
+})
+
+-- Redsky plant nodes
+
+minetest.register_node(":mars:redgrass", {
+	description = "Red Grass",
+	drawtype = "plantlike",
+	waving = 1,
+	visual_scale = 1.3,
+	tiles = {"mars_redgrass.png"},
+	inventory_image = "mars_redgrass.png",
+	wield_image = "mars_redgrass.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	buildable_to = true,
+	groups = {snappy = 3, flora = 1, attached_node = 1},
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5}
+	}
+})
+
+minetest.register_node(":mars:redweed", {
+	description = "Red Weed",
+	drawtype = "plantlike",
+	waving = 1,
+	visual_scale = 1.3,
+	tiles = {"mars_redweed.png"},
+	inventory_image = "mars_redweed.png",
+	wield_image = "mars_redweed.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	buildable_to = true,
+	groups = {snappy = 3, flora = 1, attached_node = 1},
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5}
+	}
+})
+
+minetest.register_node(":mars:moss", {
+	description = "Martian Moss",
+	drawtype = "nodebox",
+	tiles = {"mars_moss.png"},
+	inventory_image = "mars_moss.png",
+	wield_image = "mars_moss.png",
+	paramtype = "light",
+	paramtype2 = "facedir",
+	use_texture_alpha = "clip",
+	sunlight_propagates = true,
+	walkable = false,
+	node_box = {
+		type = "fixed",
+		fixed = {-1/2, -1/2, -1/2, 1/2, -15/32, 1/2},
+	},
+	selection_box = {
+		type = "fixed",
+		fixed = {-1/2, -1/2, -1/2, 1/2, -15/32, 1/2},
+	},
+	groups = {snappy = 3, flora = 1, attached_node = 1},
+	sounds = default.node_sound_leaves_defaults()
+})
+
+-- mars grass
+
+minetest.register_node(":mars:grass_1", {
+	description = "Martian Grass",
+	drawtype = "plantlike",
+	waving = 1,
+	tiles = {"mars_grass_1.png"},
+	inventory_image = "mars_grass_3.png",
+	wield_image = "mars_grass_3.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	buildable_to = true,
+	groups = {snappy = 3, flora = 1, attached_node = 1},
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5}
+	},
+
+	on_place = function(itemstack, placer, pointed_thing)
+
+		-- place a random grass node
+		local stack = ItemStack("mars:grass_" .. math.random(5))
+		local ret = minetest.item_place(stack, placer, pointed_thing)
+
+		return ItemStack("mars:grass_1 "
+			.. itemstack:get_count() - (1 - ret:get_count()))
+	end
+})
+
+for i = 2, 5 do
+
+	minetest.register_node(":mars:grass_" .. i, {
+		description = "Martian Grass",
+		drawtype = "plantlike",
+		waving = 1,
+		tiles = {"mars_grass_" .. i .. ".png"},
+		inventory_image = "mars_grass_" .. i .. ".png",
+		wield_image = "mars_grass_" .. i .. ".png",
+		paramtype = "light",
+		sunlight_propagates = true,
+		walkable = false,
+		buildable_to = true,
+		drop = "mars:grass_1",
+		groups = {
+			snappy = 3, flora = 1, attached_node = 1,
+			not_in_creative_inventory = 1
+		},
+		sounds = default.node_sound_leaves_defaults(),
+		selection_box = {
+			type = "fixed",
+			fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5}
+		}
+	})
+end
+
+-- Crystals
+
+local sbox = {
+	type = "fixed",
+	fixed = {-5/16, -8/16, -6/16, 5/16, -1/32, 5/16}}
+
+local crystal_list = {
+	{"ghost_crystal", "ghost_crystal.png"},
+	{"red_crystal", "red_crystal.png"},
+	{"rose_quartz", "rose_quartz.png"}}
+
+for i = 1, #crystal_list do -- in ipairs(crystal_list) do
+
+	local name = crystal_list[i][1]
+	local texture = crystal_list[i][2]
+
+	minetest.register_node(":crystals:" .. name .. "_1", {
+		description = "Glowing Crystal",
+		drawtype = "mesh",
+		mesh = "crystal_shape01.obj",
+		tiles = {"crystals_" .. texture},
+		wield_scale = {x = 7, y = 7, z = 7},
+		paramtype = "light",
+		paramtype2 = "facedir",
+		selection_box = sbox,
+		walkable = false,
+		light_source = 10,
+		use_texture_alpha = "blend",
+		visual_scale = 10,
+		groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3},
+		sounds = default.node_sound_glass_defaults()
+	})
+
+	minetest.register_node(":crystals:" .. name .. "_2", {
+		description = "Glowing Crystal",
+		drawtype = "mesh",
+		mesh = "crystal_shape02.obj",
+		tiles = {"crystals_" .. texture},
+		wield_scale = {x = 7, y = 7, z = 7},
+		paramtype = "light",
+		paramtype2 = "facedir",
+		selection_box = sbox,
+		walkable = false,
+		light_source = 10,
+		use_texture_alpha = "blend",
+		visual_scale = 10,
+		groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3},
+		sounds = default.node_sound_glass_defaults()
+	})
+end

redsky_asteroids.lua

@@ -1,9 +1,11 @@
+
 -- Approximate realm limits
+
 local YMIN = otherworlds.settings.redsky_asteroids.YMIN or 6000
 local YMAX = otherworlds.settings.redsky_asteroids.YMAX or 7000
 
-
 -- Register on_generated function for this layer
+
 minetest.register_on_generated(
 		otherworlds.asteroids.create_on_generated(YMIN, YMAX, {
 
@@ -23,39 +25,30 @@ minetest.register_on_generated(
 	c_snowblock = minetest.get_content_id("default:snowblock")
 }))
 
-
 -- Deco code for grass and crystal
 
--- how often surface decoration appears on top of asteroid cobble
-local TOPDECO = 500
+local TOPDECO = 500 -- how often deco appears on top of asteroid cobble
 
 local grass = {
-	"mars:grass_1", "mars:grass_2", "mars:grass_3", "mars:grass_4", "mars:grass_5"
-}
+	"mars:grass_1", "mars:grass_2", "mars:grass_3", "mars:grass_4", "mars:grass_5"}
 
-local flower = {
-	"mars:moss", "mars:redweed", "mars:redgrass"
-}
+local flower = {"mars:moss", "mars:redweed", "mars:redgrass"}
 
 local crystal = {
 	"crystals:ghost_crystal_1", "crystals:ghost_crystal_2",
 	"crystals:red_crystal_1", "crystals:red_crystal_2",
-	"crystals:rose_quartz_1", "crystals:rose_quartz_2"
-}
+	"crystals:rose_quartz_1", "crystals:rose_quartz_2"}
 
 local random = math.random
 
-
 -- Add surface decoration
+
 minetest.register_on_generated(function(minp, maxp)
 
-	if minp.y < YMIN or maxp.y > YMAX then
-		return
-	end
+	if minp.y < YMIN or maxp.y > YMAX then return end
 
 	local bpos, ran
-	local coal = minetest.find_nodes_in_area_under_air(minp, maxp,
-			{"asteroid:redgravel"})
+	local coal = minetest.find_nodes_in_area_under_air(minp, maxp, {"asteroid:redgravel"})
 
 	for n = 1, #coal do
 

settings.lua

@@ -1,13 +1,15 @@
+
 otherworlds.settings = {}
 
-
 -- general
+
 otherworlds.settings.crafting = {
 	-- set to false to remove crafting recipes
 	enable = minetest.settings:get_bool("otherworlds.crafting", true)
 }
 
 -- space_asteroids
+
 otherworlds.settings.space_asteroids = {
 	-- set to false to prevent space mapgen
 	enable = minetest.settings:get_bool("otherworlds.space", true),
@@ -17,8 +19,8 @@ otherworlds.settings.space_asteroids = {
 	YMAX = tonumber(minetest.settings:get("otherworlds.space.ymax") or 6000)
 }
 
-
 -- redsky_asteroids
+
 otherworlds.settings.redsky_asteroids = {
 	-- set to false to prevent redsky mapgen
 	enable = minetest.settings:get_bool("otherworlds.redsky", true),
@@ -28,15 +30,15 @@ otherworlds.settings.redsky_asteroids = {
 	YMAX = tonumber(minetest.settings:get("otherworlds.redsky.ymax") or 7000)
 }
 
-
 -- gravity
+
 otherworlds.settings.gravity = {
 	-- set to true to enable gravity
 	enable = minetest.settings:get_bool("otherworlds.gravity", false)
 }
 
-
 -- increase or decrease change of ores appearing in asteroids
+
 otherworlds.settings.ore_chance = {
 	-- default ore chance is multiplied by following value
 	value = tonumber(minetest.settings:get("otherworlds.ore_chance") or 27)

skybox.lua

@@ -1,126 +1,143 @@
+
 -- Heights for skyboxes
-local underground = -50
+
+local underground_low = -31000
+local underground_high = -50
 local space_low = 5000
 local space_high = 5999
 local redsky_low = 6000
 local redsky_high = 6999
+local nether_low = -32000
+local nether_high = -31000
+
+-- Nether check
+
+local mod_nether = minetest.get_modpath("nether")
+
+if mod_nether then
+
+	nether_low = nether.DEPTH_FLOOR or -32000
+	nether_high = nether.DEPTH_CEILING or -31000
+	underground_low = nether_high
+
+	if minetest.get_modpath("climate_api") then
+		mod_nether = nil -- remove nether skybox for climate_api version
+	end
+end
 
 -- Holds name of skybox showing for each player
+
 local player_list = {}
 
 -- Outerspace skybox
+
 local spaceskybox = {
 	"sky_pos_z.png",
 	"sky_neg_z.png^[transformR180",
 	"sky_neg_y.png^[transformR270",
 	"sky_pos_y.png^[transformR270",
 	"sky_pos_x.png^[transformR270",
-	"sky_neg_x.png^[transformR90"
-}
+	"sky_neg_x.png^[transformR90"}
 
 -- Redsky skybox
+
 local redskybox = {
 	"sky_pos_z.png^[colorize:#99000050",
 	"sky_neg_z.png^[transformR180^[colorize:#99000050",
 	"sky_neg_y.png^[transformR270^[colorize:#99000050",
 	"sky_pos_y.png^[transformR270^[colorize:#99000050",
 	"sky_pos_x.png^[transformR270^[colorize:#99000050",
-	"sky_neg_x.png^[transformR90^[colorize:#99000050"
-}
+	"sky_neg_x.png^[transformR90^[colorize:#99000050"}
 
 -- Darkest space skybox
+
 local darkskybox = {
 	"sky_pos_z.png^[colorize:#00005070",
 	"sky_neg_z.png^[transformR180^[colorize:#00005070",
 	"sky_neg_y.png^[transformR270^[colorize:#00005070",
 	"sky_pos_y.png^[transformR270^[colorize:#00005070",
 	"sky_pos_x.png^[transformR270^[colorize:#00005070",
-	"sky_neg_x.png^[transformR90^[colorize:#00005070"
-}
-
+	"sky_neg_x.png^[transformR90^[colorize:#00005070"}
 
 -- check for active pova mod
-local pova = minetest.get_modpath("pova")
+
+local mod_pova = minetest.get_modpath("pova")
 
 -- gravity helper function
-local set_gravity = function(player, grav)
 
-	if pova then
+local function set_gravity(player, grav)
+
+	if mod_pova then
 		pova.add_override(player:get_player_name(), "default", {gravity = grav})
 	else
 		player:set_physics_override({gravity = grav})
 	end
 end
 
+-- globalstep function runs every 2 seconds to show appropriate skybox
 
--------- this just adds nether background for xanadu server
-local nether_mod = minetest.get_modpath("nether") and minetest.get_modpath("xanadu")
---------
-
-
-local timer = 0
+local timer, timer2 = 0, 0
 
 minetest.register_globalstep(function(dtime)
 
-	timer = timer + dtime
+	timer = timer + dtime ; if timer < 2 then return end ; timer = 0
+	timer2 = timer2 + 2
 
-	if timer < 2 then
-		return
-	end
-
-	timer = 0
+	local name, pos, current
 
 	for _, player in pairs(minetest.get_connected_players()) do
 
-		local name = player:get_player_name()
-		local pos = player:get_pos()
-		local current = player_list[name] or ""
+		name = player:get_player_name()
+		pos = player:get_pos()
+		current = player_list[name] or ""
 
--------- this just adds nether background for xanadu server
-if nether_mod and pos.y < -28000 and current ~= "nether" then
+		-- this just adds nether background outwith climate_api mod
 
-	player:set_sky({
-		type = "plain",
-		base_color = "#1d1118", --"#300530", --"#070916", --"#1D0504",
-		clouds = false,
-		sky_color = {
-			day_horizon = "#9bc1f0",
-			dawn_horizon = "#bac1f0",
-			fog_tint_type = "default",
-			dawn_sky = "#b4bafa",
-			day_sky = "#8cbafa",
-			night_sky = "#006aff",
-			indoors = "#646464",
-			night_horizon = "#4090ff"
-		}
-	})
+		if mod_nether and pos.y >= nether_low and pos.y <= nether_high
+		and (current ~= "nether" or (current == "nether" and timer2 > 6)) then
 
-	player:set_moon({visible = false})
-	player:set_stars({visible = false})
-	player:set_sun({visible = false, sunrise_visible = false})
+			timer2 = 0 -- reset nether layer timer (every 10 seconds)
 
-	player_list[name] = "nether"
+			local base_col = current ~= "nether" and "#1D0504"
+			local ps, cn = minetest.find_nodes_in_area(
+					{x = pos.x - 6, y = pos.y - 6, z = pos.z - 6},
+					{x = pos.x + 6, y = pos.y + 6, z = pos.z + 6},
+					{"nether:rack", "nether:rack_deep", "nether:geode", "nether:geodelite"})
 
-	if otherworlds.settings.gravity.enable then
-		set_gravity(player, 1.05)
-	end
---------
+			-- easy find nether layer via quick node count
 
-		-- Underground
-		elseif pos.y > -28000 and pos.y < underground and current ~= "underground" then
---		if pos.y < underground and current ~= "underground" then
+			if (cn["nether:rack"] or 0) > 100 then
+				base_col = "#1D0504"
+			elseif (cn["nether:rack_deep"] or 0) > 100 then
+				base_col = "#070916"
+			elseif (cn["nether:geode"] or 0) + (cn["nether:geodelite"] or 0)> 100 then
+				base_col = "#300530"
+			end
 
-			player:set_sky({
-				type = "plain",
-				clouds = false,
-				sunrise_visible = false,
-				base_color = "#101010"
-			})
+			if base_col then
+				player:set_sky({type = "plain", base_color = base_col, clouds = false})
+			end
 
 			player:set_moon({visible = false})
 			player:set_stars({visible = false})
 			player:set_sun({visible = false, sunrise_visible = false})
 
+			player_list[name] = "nether"
+
+			if otherworlds.settings.gravity.enable then
+				set_gravity(player, 1.05)
+			end
+
+		-- Underground (above Nether limit)
+
+		elseif pos.y >= underground_low and pos.y <= underground_high
+		and current ~= "underground" then
+
+			player:set_sky({type = "plain", clouds = false, base_color = "#101010"})
+			player:set_moon({visible = false})
+			player:set_stars({visible = false})
+			player:set_sun({visible = false, sunrise_visible = false})
+
 			player_list[name] = "underground"
 
 			if otherworlds.settings.gravity.enable then
@@ -128,15 +145,11 @@ if nether_mod and pos.y < -28000 and current ~= "nether" then
 			end
 
 		-- Earth
-		elseif pos.y > underground and pos.y < space_low
+
+		elseif pos.y > underground_high and pos.y < space_low
 		and current ~= "earth" then
 
-			player:set_sky({
-				type = "regular",
-				clouds = true,
-				sunrise_visible = true
-			})
-
+			player:set_sky({type = "regular", clouds = true})
 			player:set_moon({visible = true})
 			player:set_stars({visible = true})
 			player:set_sun({visible = true, scale = 1.0, sunrise_visible = true})
@@ -148,16 +161,12 @@ if nether_mod and pos.y < -28000 and current ~= "nether" then
 			end
 
 		-- Outerspace
-		elseif pos.y > space_low and pos.y < space_high
+
+		elseif pos.y >= space_low and pos.y <= space_high
 		and current ~= "space" then
 
-			player:set_sky({
-				type = "skybox",
-				textures = spaceskybox,
-				clouds = false,
-				sunrise_visible = false
-			})
-
+			player:set_sky({type = "skybox", textures = spaceskybox, clouds = false,
+					base_color = "#000000"})
 			player:set_moon({visible = false})
 			player:set_stars({visible = false})
 			player:set_sun({visible = true, scale = 1.0, sunrise_visible = false})
@@ -169,16 +178,12 @@ if nether_mod and pos.y < -28000 and current ~= "nether" then
 			end
 
 		-- Redsky
-		elseif pos.y > redsky_low and pos.y < redsky_high
+
+		elseif pos.y >= redsky_low and pos.y <= redsky_high
 		and current ~= "redsky" then
 
-			player:set_sky({
-				type = "skybox",
-				textures = redskybox,
-				clouds = false,
-				sunrise_visible = false
-			})
-
+			player:set_sky({type = "skybox", textures = redskybox, clouds = false,
+					base_color = "#000000"})
 			player:set_moon({visible = false})
 			player:set_stars({visible = false})
 			player:set_sun({visible = true, scale = 0.5, sunrise_visible = false})
@@ -189,19 +194,15 @@ if nether_mod and pos.y < -28000 and current ~= "nether" then
 				set_gravity(player, 0.2)
 			end
 
-		-- Everything else (blackness)
+		-- Everything else above (the blackness)
+
 		elseif pos.y > redsky_high and current ~= "blackness" then
 
-			player:set_sky({
-				type = "skybox",
-				textures = darkskybox,
-				clouds = false,
-				sunrise_visible = false
-			})
-
+			player:set_sky({type = "skybox", textures = darkskybox, clouds = false,
+					base_color = "#000000"})
 			player:set_moon({visible = false})
 			player:set_stars({visible = true})
-			player:set_sun({visible = true, scale = 0.1})
+			player:set_sun({visible = true, scale = 0.1, sunrise_visible = false})
 
 			player_list[name] = "blackness"
 
@@ -212,6 +213,8 @@ if nether_mod and pos.y < -28000 and current ~= "nether" then
 	end
 end)
 
+-- remove player from list when they leave
+
 minetest.register_on_leaveplayer(function(player)
 	player_list[player:get_player_name()] = nil
 end)

space_asteroids.lua

@@ -1,8 +1,11 @@
+
 -- Approximate realm limits
+
 local YMIN = otherworlds.settings.space_asteroids.YMIN or 5000
 local YMAX = otherworlds.settings.space_asteroids.YMAX or 6000
 
 -- Register on_generated function for this layer
+
 minetest.register_on_generated(
 		otherworlds.asteroids.create_on_generated(YMIN, YMAX, {
 

space_nodes.lua

@@ -1,137 +0,0 @@
--- Nodes
-
-minetest.register_node(":asteroid:stone", {
-	description = "Asteroid Stone",
-	tiles = {"default_stone.png"},
-	is_ground_content = false,
-	drop = 'asteroid:cobble',
-	groups = {cracky = 3, stone = 1, not_in_creative_inventory = 1},
-	sounds = default.node_sound_stone_defaults()
-})
-
-minetest.register_node(":asteroid:redstone", {
-	description = "Asteroid Stone",
-	tiles = {"asteroid_redstone.png"},
-	is_ground_content = false,
-	drop = 'asteroid:redcobble',
-	groups = {cracky = 3, stone = 1},
-	sounds = default.node_sound_stone_defaults()
-})
-
-minetest.register_node(":asteroid:cobble", {
-	description = "Asteroid Cobble",
-	tiles = {"asteroid_cobble.png"},
-	is_ground_content = false,
-	groups = {cracky = 3, stone = 2},
-	sounds = default.node_sound_stone_defaults()
-})
-
-minetest.register_node(":asteroid:redcobble", {
-	description = "Asteroid Cobble",
-	tiles = {"asteroid_redcobble.png"},
-	is_ground_content = false,
-	groups = {cracky = 3, stone = 2},
-	sounds = default.node_sound_stone_defaults()
-})
-
-minetest.register_node(":asteroid:gravel", {
-	description = "Asteroid Gravel",
-	tiles = {"asteroid_gravel.png"},
-	is_ground_content = false,
-	groups = {crumbly = 2},
-	sounds = default.node_sound_dirt_defaults({
-		footstep = {name = "default_gravel_footstep", gain = 0.2}
-	})
-})
-
-minetest.register_node(":asteroid:redgravel", {
-	description = "Asteroid Gravel",
-	tiles = {"asteroid_redgravel.png"},
-	is_ground_content = false,
-	groups = {crumbly = 2},
-	sounds = default.node_sound_dirt_defaults({
-		footstep = {name = "default_gravel_footstep", gain = 0.2}
-	})
-})
-
-minetest.register_node(":asteroid:dust", {
-	description = "Asteroid Dust",
-	tiles = {"asteroid_dust.png"},
-	is_ground_content = false,
-	groups = {crumbly = 3},
-	sounds = default.node_sound_dirt_defaults({
-		footstep = {name = "default_gravel_footstep", gain = 0.1}
-	})
-})
-
-minetest.register_node(":asteroid:reddust", {
-	description = "Asteroid Dust",
-	tiles = {"asteroid_reddust.png"},
-	is_ground_content = false,
-	groups = {crumbly = 3},
-	sounds = default.node_sound_dirt_defaults({
-		footstep = {name = "default_gravel_footstep", gain = 0.1}
-	})
-})
-
-minetest.register_node(":asteroid:ironore", {
-	description = "Asteroid Iron Ore",
-	tiles = {"asteroid_redstone.png^default_mineral_iron.png"},
-	is_ground_content = false,
-	groups = {cracky = 2},
-	drop = "default:iron_lump",
-	sounds = default.node_sound_stone_defaults()
-})
-
-minetest.register_node(":asteroid:copperore", {
-	description = "Asteroid Copper Ore",
-	tiles = {"asteroid_redstone.png^default_mineral_copper.png"},
-	is_ground_content = false,
-	groups = {cracky = 2},
-	drop = "default:copper_lump",
-	sounds = default.node_sound_stone_defaults()
-})
-
-minetest.register_node(":asteroid:goldore", {
-	description = "Asteroid Gold Ore",
-	tiles = {"asteroid_redstone.png^default_mineral_gold.png"},
-	is_ground_content = false,
-	groups = {cracky = 2},
-	drop = "default:gold_lump",
-	sounds = default.node_sound_stone_defaults()
-})
-
-minetest.register_node(":asteroid:diamondore", {
-	description = "Asteroid Diamond Ore",
-	tiles = {"asteroid_redstone.png^default_mineral_diamond.png"},
-	is_ground_content = false,
-	groups = {cracky = 1},
-	drop = "default:diamond",
-	sounds = default.node_sound_stone_defaults()
-})
-
-minetest.register_node(":asteroid:meseore", {
-	description = "Asteroid Mese Ore",
-	tiles = {"asteroid_redstone.png^default_mineral_mese.png"},
-	is_ground_content = false,
-	groups = {cracky = 1},
-	drop = "default:mese_crystal",
-	sounds = default.node_sound_stone_defaults()
-})
-
-minetest.register_node(":asteroid:atmos", {
-	description = "Comet Atmosphere",
-	drawtype = "glasslike",
-	tiles = {"asteroid_atmos.png"},
-	paramtype = "light",
-	sunlight_propagates = true,
-	walkable = false,
-	pointable = false,
-	diggable = false,
-	buildable_to = true,
-	is_ground_content = false,
-	use_texture_alpha = "blend",--true,
-	post_effect_color = {a = 31, r = 241, g = 248, b = 255},
-	groups = {not_in_creative_inventory = 1},
-	drop = {}
-})