Initial text and lua files

depends.txt

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+default

description.txt

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+Replaces the default Minetest world with Europa, a moon of Jupiter.

init.lua

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+dofile(minetest.get_modpath("europa") .. "/sky.lua")
+dofile(minetest.get_modpath("europa") .. "/mapgen.lua")

mapgen.lua

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+--minetest.clear_registered_ores()
+minetest.clear_registered_biomes()
+minetest.clear_registered_decorations()
+minetest.override_item("default:mossycobble", {tiles = {"default_ice.png"}})
+
+	minetest.register_biome({
+		name = "ice_crust",
+		node_dust = "default:gravel",
+		node_top = "default:ice",
+		depth_top = 1,
+		node_filler = "default:ice",
+		depth_filler = 3,
+		node_stone = "default:ice",
+		node_water_top = "air",
+		depth_water_top =1 ,
+		node_water = "air",
+		node_river_water = "air",
+		y_min = -1033,
+		y_max = 200,
+		heat_point = 0,
+		humidity_point = 10,
+	})
+
+	minetest.register_biome({
+		name = "europa_ocean",
+		--node_dust = "default:gravel",
+		node_top = "default:water_source",
+		depth_top = 1,
+		node_filler = "default:water_source",
+		depth_filler = 3,
+		node_stone = "default:water_source",
+		node_water_top = "default:water_source",
+		depth_water_top =1 ,
+		node_water = "default:water_source",
+		node_river_water = "default:water_source",
+		y_min = -3616,
+		y_max = -1034,
+		heat_point = 0,
+		humidity_point = 0,
+	})
+
+	minetest.register_biome({
+		name = "rocky_mantle",
+		--node_dust = "default:gravel",
+		node_top = "default:stone",
+		depth_top = 1,
+		node_filler = "default:stone",
+		depth_filler = 3,
+		node_stone = "default:stone",
+		node_water_top = "air",
+		depth_water_top =1 ,
+		node_water = "air",
+		node_river_water = "air",
+		y_min = -22216,
+		y_max = -3616,
+		heat_point = 50,
+		humidity_point = 0,
+	})
+
+	minetest.register_biome({
+		name = "iron_core",
+		--node_dust = "default:gravel",
+		node_top = "default:steelblock",
+		depth_top = 1,
+		node_filler = "default:steelblock",
+		depth_filler = 3,
+		node_stone = "default:steelblock",
+		node_water_top = "air",
+		depth_water_top =1 ,
+		node_water = "air",
+		node_river_water = "air",
+		y_min = -31000,
+		y_max = -22217,
+		heat_point = 100,
+		humidity_point = 0,
+	})

sky.lua

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+minetest.register_on_joinplayer(function(player)
+	minetest.after(0, function()
+		textures ={
+		"dark_sky.png",
+		"dark_sky.png",
+		"dark_sky.png",
+		"sky_neg_z.png",	
+		"dark_sky.png",
+		"dark_sky.png",
+		}
+		
+		player:set_sky({r=0, g=0, b=0, a=0},"skybox", textures)
+		player:set_clouds({density = 0})
+		
+		player:set_physics_override(1, 0.6, 0.2) -- speed, jump, gravity
+	end)
+end)