first commit version 0.3.0

README.txt

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+Moonrealm mod for latest stable Minetest and compatible back to 0.4.6

depends.txt

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+default

init.lua

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+-- moonrealm 0.3.0 by paramat.
+-- Licenses: Code WTFPL. Textures CC BY-SA.
+-- Moonstone and moondust textures are recoloured default textures: sand by VanessaE and stone by Perttu Ahola.
+
+-- Variables.
+
+local ONGEN = true -- (true / false) -- Enable / disable moonrealm generation.
+
+local YMIN = 14000 -- Approx bottom. Rounded down to chunk boundary.
+local YMAX = 15000 -- Approx surface. Rounded up to chunk boundary
+local OFFCEN = 80 -- 80 -- Average offset centre, relative to base of surface chunks.
+local CENAMP = 24 -- 24 -- Offset centre amplitude.
+local HIGRAD = 48 -- 48 -- Surface generating noise gradient above offcen. Controls height of hills.
+local LOGRAD = 48 -- 48 -- Surface generating noise gradient below offcen. Controls depth of depressions.
+local HEXP = 1.5 -- 1.5 -- Noise offset exponent above offcen.
+local LEXP = 3 -- 3 -- Noise offset exponent below offcen.
+
+local DUSAMP = 0.1 -- 0.1 -- Dust depth amplitude.
+local DUSRAN = 0.01 -- 0.01 -- Dust depth randomness.
+local DUSGRAD = 128 -- 128 -- Dust noise gradient.
+
+local CAVOFF = 0.02 -- 0.02 -- Cave offset. Size of underground caves.
+local CAVLEV = 0 -- 0 -- Caves thin above this level, relative to base of surface chunks.
+local CAVDIS = 80 -- 80 -- Cave thinning distance in nodes.
+
+local LUX = true -- Enable / disable luxore.
+local LUXCHUN = 7*7*7 -- 7*7*7 -- Luxore 1/x chance underground.
+
+local ATMOS = true -- Enable / disable tinted atmosphere.
+local ATMTOP = 16000 -- Exact top of atmosphere.
+local ATMALP = 16 -- 16 -- Atmosphere alpha.
+local ATMRED = 255 -- 255 -- Atmosphere RGB.
+local ATMGRE = 148 -- 148
+local ATMBLU = 0 -- 0
+
+local DEBUG = true
+
+-- Perlin noise for terrain.
+local SEEDDIFF1 = 46894686546
+local OCTAVES1 = 6 -- 6
+local PERSISTENCE1 = 0.6 -- 0.6
+local SCALE1 = 256 -- 256
+
+-- perlin noise for terrain. 207 / 128 = golden ratio.
+local SEEDDIFF4 = 1390930295123
+local OCTAVES4 = 6 -- 6
+local PERSISTENCE4 = 0.6 -- 0.6
+local SCALE4 = 207 -- 207
+
+-- Perlin noise for caves.
+local SEEDDIFF2 = 9294207
+local OCTAVES2 = 6 -- 6
+local PERSISTENCE2 = 0.5 -- 0.5
+local SCALE2 = 207 -- 207
+
+-- Perlin noise for dust depth, average terrain level, dust colour
+local SEEDDIFF3 = 93561
+local OCTAVES3 = 4 -- 4
+local PERSISTENCE3 = 0.5 -- 0.5
+local SCALE3 = 256 -- 256
+
+-- Stuff.
+
+moonrealm = {}
+
+local yminq = (80 * math.floor((YMIN + 32) / 80)) - 32
+local ymaxq = (80 * math.floor((YMAX + 32) / 80)) + 47
+local levcav = ymaxq - 159 + CAVLEV
+
+-- Nodes.
+
+minetest.register_node("moonrealm:moonstone", {
+	description = "Moon Stone",
+	tiles = {"moonrealm_moonstone.png"},
+	groups = {cracky=3},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("moonrealm:moondust1", {
+	description = "Moon Dust 1",
+	tiles = {"moonrealm_moondust1.png"},
+	groups = {crumbly=3, falling_node=1},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_gravel_footstep", gain=0.07},
+	}),
+})
+
+minetest.register_node("moonrealm:moondust2", {
+	description = "Moon Dust 2",
+	tiles = {"moonrealm_moondust2.png"},
+	groups = {crumbly=3, falling_node=1},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_gravel_footstep", gain=0.07},
+	}),
+})
+
+minetest.register_node("moonrealm:moondust3", {
+	description = "Moon Dust 3",
+	tiles = {"moonrealm_moondust3.png"},
+	groups = {crumbly=3, falling_node=1},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_gravel_footstep", gain=0.07},
+	}),
+})
+
+minetest.register_node("moonrealm:moondust4", {
+	description = "Moon Dust 4",
+	tiles = {"moonrealm_moondust4.png"},
+	groups = {crumbly=3, falling_node=1},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_gravel_footstep", gain=0.07},
+	}),
+})
+
+minetest.register_node("moonrealm:moondust5", {
+	description = "Moon Dust 5",
+	tiles = {"moonrealm_moondust5.png"},
+	groups = {crumbly=3, falling_node=1},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_gravel_footstep", gain=0.07},
+	}),
+})
+
+minetest.register_node("moonrealm:luxore", {
+	description = "MR Lux Ore",
+	tiles = {"moonrealm_luxore.png"},
+	light_source = 13,
+	groups = {cracky=3},
+	drop = "moonrealm:luxcrystal 6",
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("moonrealm:luxnode", {
+	description = "MR Lux Node",
+	tiles = {"moonrealm_luxnode.png"},
+	light_source = 14,
+	groups = {cracky=3},
+	sounds = default.node_sound_glass_defaults(),
+})
+
+minetest.register_node("moonrealm:atmos", {
+	drawtype = "airlike",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	post_effect_color = {a=ATMALP, r=ATMRED, g=ATMGRE, b=ATMBLU},
+})
+
+-- Item.
+
+minetest.register_craftitem("moonrealm:luxcrystal", {
+	description = "MR Lux Crystal",
+	inventory_image = "moonrealm_luxcrystal.png",
+})
+
+-- Crafting.
+
+minetest.register_craft({
+    output = "moonrealm:luxnode",
+    recipe = {
+        {"moonrealm:luxcrystal", "moonrealm:luxcrystal", "moonrealm:luxcrystal"},
+        {"moonrealm:luxcrystal", "moonrealm:luxcrystal", "moonrealm:luxcrystal"},
+        {"moonrealm:luxcrystal", "moonrealm:luxcrystal", "moonrealm:luxcrystal"},
+    },
+})
+
+-- On dignode. Atmosphere flows into a dug hole.
+
+if ATMOS then
+	minetest.register_on_dignode(function(pos, oldnode, digger)
+		local env = minetest.env
+		local x = pos.x
+		local y = pos.y
+		local z = pos.z
+		for i = -1,1 do
+		for j = -1,1 do
+		for k = -1,1 do
+			if not (i == 0 and j == 0 and k == 0) then
+				local nodename = env:get_node({x=x+i,y=y+j,z=z+k}).name
+				if nodename == "moonrealm:atmos" then	
+					env:add_node({x=x,y=y,z=z},{name="moonrealm:atmos"})
+					return
+				end
+			end
+		end
+		end
+		end
+	end)
+end
+
+-- Ores.
+
+if ONGEN then
+	minetest.register_ore({
+		ore_type       = "scatter",
+		ore            = "moonrealm:luxore",
+		wherein        = "air",
+		clust_scarcity = LUXCHUN,
+		clust_num_ores = 1,
+		clust_size     = 1,
+		height_min     = yminq,
+		height_max     = ymaxq - 160,
+	})
+	for i=1,8 do
+		minetest.register_ore({
+			ore_type       = "scatter",
+			ore            = "moonrealm:moonstone",
+			wherein        = "air",
+			clust_scarcity = 1,
+			clust_num_ores = 1,
+			clust_size     = 1,
+			height_min     = yminq,
+			height_max     = ymaxq - 160,
+		})
+	end
+	if ATMOS then
+		for i=1,16 do
+			minetest.register_ore({
+				ore_type       = "scatter",
+				ore            = "moonrealm:atmos",
+				wherein        = "air",
+				clust_scarcity = 1,
+				clust_num_ores = 1,
+				clust_size     = 1,
+				height_min     = ymaxq - 159,
+				height_max     = ATMTOP,
+			})
+		end
+	end
+end
+
+-- On generated.
+
+if ONGEN then
+	minetest.register_on_generated(function(minp, maxp, seed)
+		if maxp.y == ymaxq or maxp.y == ymaxq - 80 then -- if surface chunks then
+			local env = minetest.env
+			local perlin1 = env:get_perlin(SEEDDIFF1, OCTAVES1, PERSISTENCE1, SCALE1)
+			local perlin2 = env:get_perlin(SEEDDIFF2, OCTAVES2, PERSISTENCE2, SCALE2)
+			local perlin3 = env:get_perlin(SEEDDIFF3, OCTAVES3, PERSISTENCE3, SCALE3)
+			local perlin4 = env:get_perlin(SEEDDIFF4, OCTAVES4, PERSISTENCE4, SCALE4)
+			local x1 = maxp.x
+			local y1 = maxp.y
+			local z1 = maxp.z
+			local x0 = minp.x
+			local y0 = minp.y
+			local z0 = minp.z
+			for x = x0, x1 do -- for each plane do
+				if DEBUG then
+					print ("[moonrealm] Surface "..x - x0.." ("..minp.x.." "..minp.y.." "..minp.z..")")
+				end
+				for z = z0, z1 do -- for each column do
+					local noise5 = perlin3:get2d({x=x+828,y=z+828})
+					local cenoff = ymaxq - 159 + OFFCEN + noise5 * CENAMP
+					for y = y0, y1 do -- for each node do
+						if y > cenoff then
+							offset = ((y - cenoff) / HIGRAD) ^ HEXP
+						else
+							offset = -((cenoff - y) / LOGRAD) ^ LEXP
+						end
+						local noise1 = perlin1:get3d({x=x,y=y,z=z})
+						local noise4 = perlin4:get3d({x=x,y=y,z=z})
+						local noise6 = perlin3:get3d({x=x-828,y=y-828,z=z-828}) + math.random() * 0.1
+						local noise1off = (noise1 + noise4) / 2 - offset
+						if noise1off >= 0 then -- if terrain then
+							local cavprop = (1 - (y - levcav) / CAVDIS)
+							local offcav = CAVOFF * cavprop
+							local noise2 = perlin2:get3d({x=x,y=y,z=z})
+							if math.abs(noise2) - offcav > 0 then -- if no cave then
+								local noise3 = perlin3:get3d({x=x,y=y,z=z})
+								local noise3off = noise3 - (y - cenoff) / DUSGRAD
+								local thrsto = noise3off * DUSAMP + math.random() * DUSRAN
+								if noise1off >= thrsto then
+									if noise1off > DUSAMP and LUX and cavprop > 0
+									and math.random(math.floor(LUXCHUN / cavprop)) == 2 then
+										env:add_node({x=x,y=y,z=z},{name="moonrealm:luxore"})
+									else
+										env:add_node({x=x,y=y,z=z},{name="moonrealm:moonstone"})
+									end
+								else
+									if noise6 < -0.9 then
+										env:add_node({x=x,y=y,z=z},{name="moonrealm:moondust1"})
+									elseif noise6 < -0.3 then
+										env:add_node({x=x,y=y,z=z},{name="moonrealm:moondust2"})
+									elseif noise6 < 0.3 then
+										env:add_node({x=x,y=y,z=z},{name="moonrealm:moondust3"})
+									elseif noise6 < 0.9 then
+										env:add_node({x=x,y=y,z=z},{name="moonrealm:moondust4"})
+									else
+										env:add_node({x=x,y=y,z=z},{name="moonrealm:moondust5"})
+									end
+								end
+							elseif ATMOS then -- if cave add atmos
+								env:add_node({x=x,y=y,z=z},{name="moonrealm:atmos"})
+							end
+						end
+					end
+				end
+			end
+		elseif minp.y >= yminq and maxp.y <= ymaxq - 160 then -- if underground chunks then fissure cave system
+			local env = minetest.env
+			local perlin2 = env:get_perlin(SEEDDIFF2, OCTAVES2, PERSISTENCE2, SCALE2)
+			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 offcav = CAVOFF
+			for x = x0, x1 do -- for each plane do
+				if DEBUG then
+					print ("[moonrealm] Fissures "..x - x0.." ("..minp.x.." "..minp.y.." "..minp.z..")")
+				end
+				for z = z0, z1 do -- for each column do
+					for y = y0, y1 do -- for each node do
+						local noise2 = perlin2:get3d({x=x,y=y,z=z})
+						if math.abs(noise2) - offcav < 0 then -- if cave then
+							if ATMOS then
+								env:add_node({x=x,y=y,z=z},{name="moonrealm:atmos"})
+							else
+								env:remove_node({x=x,y=y,z=z})
+							end
+						end
+					end
+				end
+			end
+		end
+	end)
+end

license.txt

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+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO.
+