Use data buffer memory optimisation. Correct noise buffer memory optimisation. Change source code license to LGPL. Improve license docs

README.txt

@@ -1,4 +1,4 @@
-watershed 0.7.1 by paramat, modified by the MinetestForFun Team.
+watershed 0.7.2 by paramat
 For Minetest 0.4.13 and later
-Depends default farming darkage
-Licenses: WTFPL
+Depends default stairs bucket
+Licenses: Source code LGPL (2.1). Media (textures) CC BY-SA (3.0)

depends.txt

@@ -1,3 +1,3 @@
 default
-farming
-darkage
+bucket
+stairs

functions.lua

@@ -1,60 +1,31 @@
---[[ MFF: Prevent trees from destroying existing blocks
-     This is the list of "safe" blocks in which a tree can grow
-     They were moved outside the local safety function for speed (I hope)
---]]
-local c_air = minetest.get_content_id("air")
-local c_ignore = minetest.get_content_id("ignore")
-
--- MFF: The local function to do safety checks
-local function safely_set_block(t, k, v)
-	if t[k] == c_air or t[k] == c_ignore then
-		t[k] = v
-	end
-end
-
 function watershed_appletree(x, y, z, area, data)
 	local c_tree = minetest.get_content_id("default:tree")
 	local c_apple = minetest.get_content_id("default:apple")
 	local c_wsappleaf = minetest.get_content_id("watershed:appleleaf")
-
-	-- MFF: Higher default tree with a bit of randomness
-	local tree_top = 5 + math.random(0, 1)
-	local leaves_height =  tree_top - 1
-	local branches_height = leaves_height - 1
-
-	for j = 0, tree_top do	-- MFF: Higher tree, same design
-		if j >= leaves_height then
+	for j = -2, 4 do
+		if j == 3 or j == 4 then
 			for i = -2, 2 do
 			for k = -2, 2 do
 				local vil = area:index(x + i, y + j, z + k)
 				if math.random(64) == 2 then
-					-- MFF: Prevent trees from destroying existing blocks
-					safely_set_block(data, vil, c_apple)
+					data[vil] = c_apple
 				elseif math.random(5) ~= 2 then
-					-- MFF: Prevent trees from destroying existing blocks
-					safely_set_block(data, vil, c_wsappleaf)
+					data[vil] = c_wsappleaf
 				end
 			end
 			end
-		elseif j == branches_height then
+		elseif j == 2 then
 			for i = -1, 1 do
 			for k = -1, 1 do
 				if math.abs(i) + math.abs(k) == 2 then
 					local vit = area:index(x + i, y + j, z + k)
-					-- MFF: Prevent trees from destroying existing blocks
-					safely_set_block(data, vit, c_tree)
+					data[vit] = c_tree
 				end
 			end
 			end
 		else
 			local vit = area:index(x, y + j, z)
-			-- MFF: Prevent trees from destroying existing blocks
-			if j == 0 then
-				-- MFF: the position of the sapling itself, replace it without checking.
-				data[vit] = c_tree
-			else
-				safely_set_block(data, vit, c_tree)
-			end
+			data[vit] = c_tree
 		end
 	end
 end
@@ -63,17 +34,16 @@ function watershed_pinetree(x, y, z, area, data)
 	local c_wspitree = minetest.get_content_id("watershed:pinetree")
 	local c_wsneedles = minetest.get_content_id("watershed:needles")
 	local c_snowblock = minetest.get_content_id("default:snowblock")
-	for j = 0, 14 do
+	for j = -4, 14 do
 		if j == 3 or j == 6 or j == 9 or j == 12 then
 			for i = -2, 2 do
 			for k = -2, 2 do
 				if math.abs(i) == 2 or math.abs(k) == 2 then
 					if math.random(7) ~= 2 then
-						-- MFF: Prevent trees from destroying existing blocks
 						local vil = area:index(x + i, y + j, z + k)
-						safely_set_block(data, vil, c_wsneedles)
+						data[vil] = c_wsneedles
 						local vila = area:index(x + i, y + j + 1, z + k)
-						safely_set_block(data, vila, c_snowblock)
+						data[vila] = c_snowblock
 					end
 				end
 			end
@@ -83,11 +53,10 @@ function watershed_pinetree(x, y, z, area, data)
 			for k = -1, 1 do
 				if not (i == 0 and j == 0) then
 					if math.random(11) ~= 2 then
-						-- MFF: Prevent trees from destroying existing blocks
 						local vil = area:index(x + i, y + j, z + k)
-						safely_set_block(data, vil, c_wsneedles)
+						data[vil] = c_wsneedles
 						local vila = area:index(x + i, y + j + 1, z + k)
-						safely_set_block(data, vila, c_snowblock)
+						data[vila] = c_snowblock
 					end
 				end
 			end
@@ -96,47 +65,40 @@ function watershed_pinetree(x, y, z, area, data)
 			for i = -1, 1 do
 			for k = -1, 1 do
 				if not (i == 0 and j == 0) then
-					-- MFF: Prevent trees from destroying existing blocks
 					local vil = area:index(x + i, y + j, z + k)
-					safely_set_block(data, vil,c_wsneedles)
+					data[vil] = c_wsneedles
 					local vila = area:index(x + i, y + j + 1, z + k)
-					safely_set_block(data, vila, c_wsneedles)
+					data[vila] = c_wsneedles
 					local vilaa = area:index(x + i, y + j + 2, z + k)
-					safely_set_block(data, vilaa, c_snowblock)
+					data[vilaa] = c_snowblock
 				end
 			end
 			end
 		end
-		-- MFF: Prevent trees from destroying existing blocks
 		local vit = area:index(x, y + j, z)
-		if j == 0 then
-			data[vit] = c_wspitree	-- No safety check for the sapling itself
-		else
-			safely_set_block(data, vit, c_wspitree)
-		end
+		data[vit] = c_wspitree
 	end
 	local vil = area:index(x, y + 15, z)
 	local vila = area:index(x, y + 16, z)
 	local vilaa = area:index(x, y + 17, z)
-	-- MFF: Prevent trees from destroying existing blocks
-	safely_set_block(data, vil, c_wsneedles)
-	safely_set_block(data, vila, c_wsneedles)
-	safely_set_block(data, vilaa, c_snowblock)
+	data[vil] = c_wsneedles
+	data[vila] = c_wsneedles
+	data[vilaa] = c_snowblock
 end
 
 function watershed_jungletree(x, y, z, area, data)
 	local c_juntree = minetest.get_content_id("default:jungletree")
 	local c_wsjunleaf = minetest.get_content_id("watershed:jungleleaf")
+	local c_vine = minetest.get_content_id("watershed:vine")
 	local top = math.random(17,23)
 	local branch = math.floor(top * 0.6)
-	for j = 0, top do
+	for j = -5, top do
 		if j == top or j == top - 1 or j == branch + 1 or j == branch + 2 then
 			for i = -2, 2 do -- leaves
 			for k = -2, 2 do
 				local vi = area:index(x + i, y + j, z + k)
 				if math.random(5) ~= 2 then
-					-- MFF: Prevent trees from destroying existing blocks
-					safely_set_block(data, vi, c_wsjunleaf)
+					data[vi] = c_wsjunleaf
 				end
 			end
 			end
@@ -145,28 +107,64 @@ function watershed_jungletree(x, y, z, area, data)
 			for k = -1, 1 do
 				if math.abs(i) + math.abs(k) == 2 then
 					local vi = area:index(x + i, y + j, z + k)
-					-- MFF: Prevent trees from destroying existing blocks
-					safely_set_block(data, vi, c_juntree)
+					data[vi] = c_juntree
+				end
+			end
+			end
+		end
+		if j >= 0 and j <= top - 3 then -- climbable nodes
+			for i = -1, 1 do
+			for k = -1, 1 do
+				if math.abs(i) + math.abs(k) == 1 then
+					local vi = area:index(x + i, y + j, z + k)
+					data[vi] = c_vine
 				end
 			end
 			end
 		end
 		if j <= top - 3 then -- trunk
 			local vi = area:index(x, y + j, z)
-			-- MFF: Prevent trees from destroying existing blocks
-			if j == 0 then
-				data[vi] = c_juntree	-- No safety check for the sapling itself
-			else
-				safely_set_block(data, vi, c_juntree)
-			end
+			data[vi] = c_juntree
 		end
 	end
 end
 
 function watershed_acaciatree(x, y, z, area, data)
-	local c_sapling = minetest.get_content_id("moretrees:acacia_sapling_ongen")
-	local vi = area:index(x, y, z)
-	data[vi] = c_sapling
+	local c_wsactree = minetest.get_content_id("watershed:acaciatree")
+	local c_wsacleaf = minetest.get_content_id("watershed:acacialeaf")
+	for j = -3, 6 do
+		if j == 6 then
+			for i = -4, 4 do
+			for k = -4, 4 do
+				if not (i == 0 or k == 0) then
+					if math.random(7) ~= 2 then
+						local vil = area:index(x + i, y + j, z + k)
+						data[vil] = c_wsacleaf
+					end
+				end
+			end
+			end
+		elseif j == 5 then
+			for i = -2, 2, 4 do
+			for k = -2, 2, 4 do
+				local vit = area:index(x + i, y + j, z + k)
+				data[vit] = c_wsactree
+			end
+			end
+		elseif j == 4 then
+			for i = -1, 1 do
+			for k = -1, 1 do
+				if math.abs(i) + math.abs(k) == 2 then
+					local vit = area:index(x + i, y + j, z + k)
+					data[vit] = c_wsactree
+				end
+			end
+			end
+		else
+			local vit = area:index(x, y + j, z)
+			data[vit] = c_wsactree
+		end
+	end
 end
 
 function watershed_flower(data, vi, noise)
@@ -193,7 +191,7 @@ end
 
 function watershed_cactus(x, y, z, area, data)
 	local c_wscactus = minetest.get_content_id("watershed:cactus")
-	for j = 0, 4 do
+	for j = -2, 4 do
 	for i = -2, 2 do
 		if i == 0 or j == 2 or (j == 3 and math.abs(i) == 2) then
 			local vic = area:index(x + i, y + j, z)
@@ -212,21 +210,29 @@ function watershed_papyrus(x, y, z, area, data)
 	end
 end
 
--- Singlenode option
 
-local SINGLENODE = true
+-- ABM
 
-if SINGLENODE then
-	-- Set mapgen parameters
+-- Lava-water cooling
 
-	minetest.set_mapgen_params({mgname="singlenode", flags="nolight"})
-
-	-- Spawn player function is useless in minetestforfun
-end
+minetest.register_abm({
+	nodenames = {"group:lava"},
+	neighbors = {"group:water"},
+	interval = 11,
+	chance = 64,
+	action = function(pos)
+		minetest.add_node(pos, {name = "default:obsidian"})
+		minetest.sound_play("default_cool_lava", {pos = pos, gain = 0.25})
+	end,
+})
 
 -- Appletree sapling
 
-	function default.grow_tree(pos)
+minetest.register_abm({
+	nodenames = {"watershed:appling"},
+	interval = 57,
+	chance = 3,
+	action = function(pos, node)
 		local x = pos.x
 		local y = pos.y
 		local z = pos.z
@@ -240,11 +246,16 @@ end
 		vm:set_data(data)
 		vm:write_to_map()
 		vm:update_map()
-	end
+	end,
+})
 
 -- Pine sapling
 
-	function default.grow_pine_tree(pos)
+minetest.register_abm({
+	nodenames = {"watershed:pineling"},
+	interval = 59,
+	chance = 3,
+	action = function(pos)
 		local x = pos.x
 		local y = pos.y
 		local z = pos.z
@@ -252,19 +263,45 @@ end
 		local pos1 = {x = x - 2, y = y - 4, z = z - 2}
 		local pos2 = {x = x + 2, y = y + 17, z = z + 2}
 		local emin, emax = vm:read_from_map(pos1, pos2)
-		local area = VoxelArea:new({MinEdge=emin, MaxEdge=emax})
+		local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
 		local data = vm:get_data()
 		watershed_pinetree(x, y, z, area, data)
 		vm:set_data(data)
 		vm:write_to_map()
 		vm:update_map()
-	end
+	end,
+})
 
--- Acacia sapling is already defined in Moretrees
+-- Acacia sapling
+
+minetest.register_abm({
+	nodenames = {"watershed:acacialing"},
+	interval = 61,
+	chance = 3,
+	action = function(pos)
+		local x = pos.x
+		local y = pos.y
+		local z = pos.z
+		local vm = minetest.get_voxel_manip()
+		local pos1 = {x = x - 4, y = y - 3, z = z - 4}
+		local pos2 = {x = x + 4, y = y + 6, z = z + 4}
+		local emin, emax = vm:read_from_map(pos1, pos2)
+		local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
+		local data = vm:get_data()
+		watershed_acaciatree(x, y, z, area, data)
+		vm:set_data(data)
+		vm:write_to_map()
+		vm:update_map()
+	end,
+})
 
 -- Jungletree sapling
 
-	function default.grow_jungle_tree(pos)
+minetest.register_abm({
+	nodenames = {"watershed:jungling"},
+	interval = 63,
+	chance = 3,
+	action = function(pos)
 		local x = pos.x
 		local y = pos.y
 		local z = pos.z
@@ -278,8 +315,5 @@ end
 		vm:set_data(data)
 		vm:write_to_map()
 		vm:update_map()
-	end
-
-default.grow_new_apple_tree = default.grow_tree
-default.grow_new_jungle_tree = default.grow_jungle_tree
-default.grow_new_pine_tree = default.grow_pine_tree
+	end,
+})

init.lua

@@ -1,5 +1,6 @@
 -- Parameters
 
+local SINGLENODE = true -- Use singlenode mapgen and spawnplayer function
 local YMIN = -33000 -- Approximate base of realm stone
 local YMAX = 33000 -- Approximate top of atmosphere / mountains / floatlands
 local TERCEN = -128 -- Terrain zero level, average seabed
@@ -38,6 +39,7 @@ local biomeparams = {
 	ICETET = -0.7, -- Ice ..
 	HIHUT = 0.35, -- High humidity threshold
 	LOHUT = -0.35, -- Low ..
+	FOGHUT = 1.0, -- Fog ..
 	BLEND = 0.02, -- Biome blend randomness
 }
 
@@ -48,172 +50,129 @@ local flora = {
 	GRACHA = 36, -- Grassland grasses
 	JUTCHA = 16, -- Jungletree
 	JUGCHA = 16, -- Junglegrass
-	CACCHA = 800, -- Cactus
-	CACCHA_DRYGRASS = 1600,
-	DRYCHA = 150, -- Dry shrub
+	CACCHA = 2209, -- Cactus
+	DRYCHA = 121, -- Dry shrub
 	ACACHA = 1369, -- Acacia tree
 	GOGCHA = 9, -- Golden grass
 	PAPCHA = 4, -- Papyrus
 	DUGCHA = 16, -- Dune grass
 }
 
-local np = {
--- pack it in a single table to avoid "function has more than 60 upvalues"
-
 -- 3D noises
 
 -- 3D noise for terrain
 
-terrain = {
+local np_terrain = {
 	offset = 0,
 	scale = 1,
 	spread = {x = 384, y = 192, z = 384},
 	seed = 593,
 	octaves = 5,
 	persist = 0.67
-},
+}
 
 -- 3D noise for fissures
 
-fissure = {
+local np_fissure = {
 	offset = 0,
 	scale = 1,
 	spread = {x = 256, y = 512, z = 256},
 	seed = 20099,
 	octaves = 5,
 	persist = 0.5
-},
+}
+
+-- 3D noise for temperature
+
+local np_temp = {
+	offset = 0,
+	scale = 1,
+	spread = {x = 1024, y = 1024, z = 1024},
+	seed = 9130,
+	octaves = 3,
+	persist = 0.5
+}
+
+-- 3D noise for humidity
+
+local np_humid = {
+	offset = 0,
+	scale = 1,
+	spread = {x = 1024, y = 1024, z = 1024},
+	seed = -55500,
+	octaves = 3,
+	persist = 0.5
+}
 
 -- 3D noise for ore seam networks
 
-seam = {
+local np_seam = {
 	offset = 0,
 	scale = 1,
 	spread = {x = 512, y = 512, z = 512},
 	seed = -992221,
 	octaves = 2,
 	persist = 0.5
-},
+}
 
 -- 3D noise for rock strata inclination
 
-strata = {
+local np_strata = {
 	offset = 0,
 	scale = 1,
 	spread = {x = 512, y = 512, z = 512},
 	seed = 92219,
 	octaves = 3,
 	persist = 0.5
-},
-
--- 3D noises for caves, from Valleys Mapgen mod by Gael-de-Sailly
-
-cave1 = {
-	offset = 0,
-	scale = 1,
-	spread = {x = 32, y = 32, z = 32},
-	seed = -4640,
-	octaves = 4,
-	persist = 0.5
-},
-
-cave2 = {
-	offset = 0,
-	scale = 1,
-	seed = 8804,
-	spread = {x = 32, y = 32, z = 32},
-	octaves = 4,
-	persist = 0.5
-},
-
-cave3 = {
-	offset = 0,
-	scale = 1,
-	seed = -4780,
-	spread = {x = 32, y = 32, z = 32},
-	octaves = 4,
-	persist = 0.5
-},
-
-cave4 = {
-	offset = 0,
-	scale = 1,
-	seed = -9969,
-	spread = {x = 32, y = 32, z = 32},
-	octaves = 4,
-	persist = 0.5
-},
+}
 
 -- 2D noises
 
 -- 2D noise for mid terrain / streambed height
 
-mid = {
+local np_mid = {
 	offset = 0,
 	scale = 1,
 	spread = {x = 768, y = 768, z = 768},
 	seed = 85546,
 	octaves = 5,
 	persist = 0.5
-},
+}
 
 -- 2D noise for base terrain / riverbed height
 
-base = {
-	offset = 0,
-	scale = 1,
-	spread = {x = 1024, y = 1024, z = 1024},
-	seed = 8890,
-	octaves = 3,
-	persist = 0.33
-},
-
--- 2D noise for extra large scale height variation
-
-xlscale = {
+local np_base = {
 	offset = 0,
 	scale = 1,
 	spread = {x = 4096, y = 4096, z = 4096},
+	seed = 8890,
+	octaves = 3,
+	persist = 0.33
+}
+
+-- 2D noise for extra large scale height variation
+
+local np_xlscale = {
+	offset = 0,
+	scale = 1,
+	spread = {x = 8192, y = 8192, z = 8192},
 	seed = -72,
 	octaves = 3,
 	persist = 0.33
-},
+}
 
 -- 2D noise for magma surface
 
-magma = {
+local np_magma = {
 	offset = 0,
 	scale = 1,
 	spread = {x = 128, y = 128, z = 128},
 	seed = -13,
 	octaves = 2,
 	persist = 0.5
-},
-
--- 2D noise for temperature, the same than in Plantlife and Snowdrift
-
-temp = {
-	offset = 0,
-	scale = 1,
-	spread = {x = 256, y = 256, z = 256},
-	seed = 112,
-	octaves = 3,
-	persist = 0.5
-},
-
--- 2D noise for humidity
-
-humid = {
-	offset = 0,
-	scale = 1,
-	spread = {x = 256, y = 256, z = 256},
-	seed = 72384,
-	octaves = 4,
-	persist = 0.66
-},
-
 }
 
+
 -- Do files
 
 dofile(minetest.get_modpath("watershed") .. "/nodes.lua")
@@ -228,11 +187,6 @@ local nobj_humid   = nil
 local nobj_seam    = nil
 local nobj_strata  = nil
 	
-local nobj_cave1   = nil
-local nobj_cave2   = nil
-local nobj_cave3   = nil
-local nobj_cave4   = nil
-	
 local nobj_mid     = nil
 local nobj_base    = nil
 local nobj_xlscale = nil
@@ -241,27 +195,26 @@ local nobj_magma   = nil
 
 -- Localise noise buffers
 
-local nbuf_terrain
-local nbuf_fissure
-local nbuf_temp
-local nbuf_humid
-local nbuf_seam
-local nbuf_strata
-
-local nbuf_cave1
-local nbuf_cave2
-local nbuf_cave3
-local nbuf_cave4
+local nbuf_terrain = {}
+local nbuf_fissure = {}
+local nbuf_temp = {}
+local nbuf_humid = {}
+local nbuf_seam = {}
+local nbuf_strata = {}
 	
-local nbuf_mid
-local nbuf_base
-local nbuf_xlscale
-local nbuf_magma
+local nbuf_mid = {}
+local nbuf_base = {}
+local nbuf_xlscale = {}
+local nbuf_magma = {}
+
+
+-- Localise data buffer
+
+local dbuf = {}
 
 
 -- Mapchunk generation function
 
-local global_seed
 function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 	local c_air = minetest.get_content_id("air")
 	local c_ignore = minetest.get_content_id("ignore")
@@ -290,8 +243,9 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 	local c_clay = minetest.get_content_id("default:clay")
 	local c_grass5 = minetest.get_content_id("default:grass_5")
 	local c_obsidian = minetest.get_content_id("default:obsidian")
-
+	
 	local c_wsfreshwater = minetest.get_content_id("watershed:freshwater")
+	local c_wsmixwater = minetest.get_content_id("watershed:mixwater")
 	local c_wsstone = minetest.get_content_id("watershed:stone")
 	local c_wsredstone = minetest.get_content_id("watershed:redstone")
 	local c_wsgrass = minetest.get_content_id("watershed:grass")
@@ -301,52 +255,42 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 	local c_wspermafrost = minetest.get_content_id("watershed:permafrost")
 	local c_wslava = minetest.get_content_id("watershed:lava")
 	local c_wsfreshice = minetest.get_content_id("watershed:freshice")
-	local c_wscloud = minetest.get_content_id("air") -- disable clouds
+	local c_wscloud = minetest.get_content_id("watershed:cloud")
+	local c_wsluxore = minetest.get_content_id("watershed:luxore")
 	local c_wsicydirt = minetest.get_content_id("watershed:icydirt")
 
 	-- perlinmap stuff
 	local sidelen = x1 - x0 + 1
-	local sqr_sidelen = sidelen ^ 2
 	local chulensxyz = {x = sidelen, y = sidelen + 2, z = sidelen}
 	local chulensxz = {x = sidelen, y = sidelen, z = 1}
 	local minposxyz = {x = x0, y = y0 - 1, z = z0}
 	local minposxz = {x = x0, y = z0}
 
 	-- 3D and 2D noise objects created once on first mapchunk generation only
-	nobj_terrain = nobj_terrain or minetest.get_perlin_map(np.terrain, chulensxyz)
-	nobj_fissure = nobj_fissure or minetest.get_perlin_map(np.fissure, chulensxyz)
-	nobj_temp    = nobj_temp    or minetest.get_perlin_map(np.temp, chulensxyz)
-	nobj_humid   = nobj_humid   or minetest.get_perlin_map(np.humid, chulensxyz)
-	nobj_seam    = nobj_seam    or minetest.get_perlin_map(np.seam, chulensxyz)
-	nobj_strata  = nobj_strata  or minetest.get_perlin_map(np.strata, chulensxyz)
-
-	nobj_cave1   = nobj_cave1  or minetest.get_perlin_map(np.cave1, chulensxyz)
-	nobj_cave2   = nobj_cave2  or minetest.get_perlin_map(np.cave2, chulensxyz)
-	nobj_cave3   = nobj_cave3  or minetest.get_perlin_map(np.cave3, chulensxyz)
-	nobj_cave4   = nobj_cave4  or minetest.get_perlin_map(np.cave4, chulensxyz)
-
-	nobj_mid     = nobj_mid     or minetest.get_perlin_map(np.mid, chulensxz)
-	nobj_base    = nobj_base    or minetest.get_perlin_map(np.base, chulensxz)
-	nobj_xlscale = nobj_xlscale or minetest.get_perlin_map(np.xlscale, chulensxz)
-	nobj_magma   = nobj_magma   or minetest.get_perlin_map(np.magma, chulensxz)
+	nobj_terrain = nobj_terrain or minetest.get_perlin_map(np_terrain, chulensxyz)
+	nobj_fissure = nobj_fissure or minetest.get_perlin_map(np_fissure, chulensxyz)
+	nobj_temp    = nobj_temp    or minetest.get_perlin_map(np_temp, chulensxyz)
+	nobj_humid   = nobj_humid   or minetest.get_perlin_map(np_humid, chulensxyz)
+	nobj_seam    = nobj_seam    or minetest.get_perlin_map(np_seam, chulensxyz)
+	nobj_strata  = nobj_strata  or minetest.get_perlin_map(np_strata, chulensxyz)
+	
+	nobj_mid     = nobj_mid     or minetest.get_perlin_map(np_mid, chulensxz)
+	nobj_base    = nobj_base    or minetest.get_perlin_map(np_base, chulensxz)
+	nobj_xlscale = nobj_xlscale or minetest.get_perlin_map(np_xlscale, chulensxz)
+	nobj_magma   = nobj_magma   or minetest.get_perlin_map(np_magma, chulensxz)
 
 	-- 3D and 2D perlinmaps created per mapchunk
-	local nvals_terrain = nobj_terrain:get3dMap_flat(minposxyz)
-	local nvals_fissure = nobj_fissure:get3dMap_flat(minposxyz)
-	local nvals_temp    = nobj_temp   :get2dMap_flat(minposxz)
-	local nvals_humid   = nobj_humid  :get2dMap_flat(minposxz)
-	local nvals_seam    = nobj_seam   :get3dMap_flat(minposxyz)
-	local nvals_strata  = nobj_strata :get3dMap_flat(minposxyz)
-
-	local nvals_cave1   = nobj_cave1  :get3dMap_flat(minposxyz)
-	local nvals_cave2   = nobj_cave2  :get3dMap_flat(minposxyz)
-	local nvals_cave3   = nobj_cave3  :get3dMap_flat(minposxyz)
-	local nvals_cave4   = nobj_cave4  :get3dMap_flat(minposxyz)
-
-	local nvals_mid     = nobj_mid    :get2dMap_flat(minposxz)
-	local nvals_base    = nobj_base   :get2dMap_flat(minposxz)
-	local nvals_xlscale = nobj_xlscale:get2dMap_flat(minposxz)
-	local nvals_magma   = nobj_magma  :get2dMap_flat(minposxz)
+	local nvals_terrain = nobj_terrain:get3dMap_flat(minposxyz, nbuf_terrain)
+	local nvals_fissure = nobj_fissure:get3dMap_flat(minposxyz, nbuf_fissure)
+	local nvals_temp    = nobj_temp   :get3dMap_flat(minposxyz, nbuf_temp)
+	local nvals_humid   = nobj_humid  :get3dMap_flat(minposxyz, nbuf_humid)
+	local nvals_seam    = nobj_seam   :get3dMap_flat(minposxyz, nbuf_seam)
+	local nvals_strata  = nobj_strata :get3dMap_flat(minposxyz, nbuf_strata)
+	
+	local nvals_mid     = nobj_mid    :get2dMap_flat(minposxz, nbuf_mid)
+	local nvals_base    = nobj_base   :get2dMap_flat(minposxz, nbuf_base)
+	local nvals_xlscale = nobj_xlscale:get2dMap_flat(minposxz, nbuf_xlscale)
+	local nvals_magma   = nobj_magma  :get2dMap_flat(minposxz, nbuf_magma)
 
 	-- ungenerated chunk below?
 	local viu = area:index(x0, y0 - 1, z0)
@@ -368,19 +312,15 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 				-- noise values for node
 				local n_absterrain = math.abs(nvals_terrain[nixyz])
 				local n_fissure = nvals_fissure[nixyz]
+				local n_temp = nvals_temp[nixyz]
+				local n_humid = nvals_humid[nixyz]
 				local n_seam = nvals_seam[nixyz]
 				local n_strata = nvals_strata[nixyz]
-				local n_cave1 = nvals_cave1[nixyz]
-				local n_cave2 = nvals_cave2[nixyz]
-				local n_cave3 = nvals_cave3[nixyz]
-				local n_cave4 = nvals_cave4[nixyz]
-
+				
 				local n_absmid = math.abs(nvals_mid[nixz])
 				local n_absbase = math.abs(nvals_base[nixz])
 				local n_xlscale = nvals_xlscale[nixz]
 				local n_magma = nvals_magma[nixz]
-				local n_temp = nvals_temp[nixz]
-				local n_humid = nvals_humid[nixz]
 				-- get densities
 				local n_invbase = (1 - n_absbase)
 				local terblen = (math.max(n_invbase, 0)) ^ BLENEXP
@@ -399,13 +339,12 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 				local tlava = TLAVA * (1 - n_magma ^ 4 * terblen ^ 16 * 0.6) -- lava threshold
 				local ysand = YSAV + n_fissure * SAMP + math.random() * 2 -- sandline
 				local bergdep = math.abs(n_seam) * BERGDEP -- iceberg depth
-
+				
 				local nofis = false -- set fissure bool
-				if math.abs(n_fissure) >= TFIS
-				and n_cave1 ^ 2 + n_cave2 ^ 2 + n_cave3 ^ 2 + n_cave4 ^ 2 >= 0.07 then -- from Valleys Mapgen
+				if math.abs(n_fissure) >= TFIS then
 					nofis = true
 				end
-
+				
 				local biome = false -- select biome for node
 				if n_temp < biomeparams.LOTET +
 						(math.random() - 0.5) * biomeparams.BLEND then
@@ -438,7 +377,7 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 						biome = 5 -- grassland
 					end
 				end
-
+				
 				-- overgeneration and in-chunk generation
 				if y == y0 - 1 then -- node layer below chunk, initialise tables
 					under[si] = 0
@@ -454,6 +393,7 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 								or nodid == c_wsredstone
 								or nodid == c_wsdirt
 								or nodid == c_wspermafrost
+								or nodid == c_wsluxore
 								or nodid == c_sand
 								or nodid == c_desand
 								or nodid == c_mese
@@ -501,20 +441,54 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 								or (densityper >= 0.77 and densityper <= 0.79)
 								or (densityper >= 0.84 and densityper <= 0.87)
 								or (densityper >= 0.95 and densityper <= 0.98) then
-							if y > -84 and (y >= -80 or math.random() > 0.5) then
-								data[vi] = c_sandstone
-							else
-								data[vi] = c_wsstone
-							end
+							data[vi] = c_sandstone
 						elseif biome == 7 and density < TSTONE * 3 then
-
 							-- desert stone as surface layer
 							data[vi] = c_wsredstone
 						elseif math.abs(n_seam) < TSEAM then
 							-- ore seams
-
-							if densityper >= 0.55 and densityper <= 0.55 + ORETHI * 2 then
+							if densityper >= 0 and
+									densityper <= ORETHI * 4 then
+								data[vi] = c_stocoal
+							elseif densityper >= 0.3 and
+									densityper <= 0.3 + ORETHI * 4 then
+								data[vi] = c_stocoal
+							elseif densityper >= 0.5 and
+									densityper <= 0.5 + ORETHI * 4 then
+								data[vi] = c_stocoal
+							elseif densityper >= 0.8 and
+									densityper <= 0.8 + ORETHI * 4 then
+								data[vi] = c_stocoal
+							elseif densityper >= 0.55 and
+									densityper <= 0.55 + ORETHI * 2 then
 								data[vi] = c_gravel
+							elseif densityper >= 0.1 and
+									densityper <= 0.1 + ORETHI * 2 then
+								data[vi] = c_wsluxore
+							elseif densityper >= 0.2 and
+									densityper <= 0.2 + ORETHI * 2 and
+									math.random(2) == 2 then
+								data[vi] = c_stoiron
+							elseif densityper >= 0.65 and
+									densityper <= 0.65 + ORETHI * 2 and
+									math.random(2) == 2 then
+								data[vi] = c_stoiron
+							elseif densityper >= 0.4 and
+									densityper <= 0.4 + ORETHI * 2 and
+									math.random(3) == 2 then
+								data[vi] = c_stocopp
+							elseif densityper >= 0.6 and
+									densityper <= 0.6 + ORETHI and
+									math.random(5) == 2 then
+								data[vi] = c_stogold
+							elseif densityper >= 0.7 and
+									densityper <= 0.7 + ORETHI and
+									math.random(7) == 2 then
+								data[vi] = c_mese
+							elseif densityper >= 0.9 and
+									densityper <= 0.9 + ORETHI and
+									math.random(11) == 2 then
+								data[vi] = c_stodiam
 							else
 								data[vi] = c_wsstone
 							end
@@ -524,8 +498,7 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 						stable[si] = stable[si] + 1
 						under[si] = 0
 					-- fine materials
-
-					elseif density >= 0 and density < tstone and stable[si] >= 2 then -- fine materials
+					elseif density >= 0 and density < tstone and stable[si] >= 2 then
 						if y == YWAT - 2 and math.abs(n_temp) < 0.05 then -- clay
 							data[vi] = c_clay
 						elseif y <= ysand then -- seabed/beach/dune sand not cut by fissures
@@ -572,7 +545,7 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 						end
 					elseif y >= YWAT - bergdep and y <= YWAT + bergdep / 8 -- icesheet
 							and n_temp < biomeparams.ICETET and density < tstone
-							and nofis then
+							and math.abs(n_fissure) > 0.01 then
 						data[vi] = c_ice
 						under[si] = 12
 						stable[si] = 0
@@ -580,28 +553,33 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 						data[vi] = c_water
 						under[si] = 0
 						stable[si] = 0
-					 -- river water not in fissures
-
+					-- river water not in fissures
 					elseif densitybase >= triver and density < tstone then
 						if n_temp < biomeparams.ICETET then
 							data[vi] = c_wsfreshice
 						else
-							data[vi] = c_wsfreshwater
+							if y == YWAT + 1 then
+								data[vi] = c_wsmixwater
+							else
+								data[vi] = c_wsfreshwater
+							end
 						end
 						stable[si] = 0
 						under[si] = 0
-					 -- stream water not in fissures
-
+					-- stream water not in fissures
 					elseif densitymid >= tstream and density < tstone then
 						if n_temp < biomeparams.ICETET then
 							data[vi] = c_wsfreshice
 						else
-							data[vi] = c_wsfreshwater
+							if y == YWAT + 1 then
+								data[vi] = c_wsmixwater
+							else
+								data[vi] = c_wsfreshwater
+							end
 						end
 						stable[si] = 0
 						under[si] = 0
-					 -- air above surface node
-
+					-- air above surface node
 					elseif density < 0 and y >= YWAT and under[si] ~= 0 then
 						local fnoise = n_fissure -- noise for flower colours
 						if under[si] == 1 then
@@ -621,9 +599,7 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 							end
 						elseif under[si] == 4 then
 							data[viu] = c_wsdrygrass
-							if math.random(flora.CACCHA_DRYGRASS) == 2 then
-								watershed_cactus(x, y, z, area, data)
-							elseif math.random(flora.DRYCHA) == 2 then
+							if math.random(flora.DRYCHA) == 2 then
 								data[vi] = c_dryshrub
 							end
 						elseif under[si] == 5 then
@@ -669,7 +645,7 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 								end
 							end
 						elseif under[si] == 10 then -- dunes
-							if math.random(flora.DUGCHA) == 2 and y > YSAV
+							if math.random(flora.DUGCHA) == 2 and y > YSAV 
 									and biome >= 4 then
 								data[vi] = c_wsgoldengrass
 							end
@@ -684,12 +660,28 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 						end
 						stable[si] = 0
 						under[si] = 0
+					elseif density < 0 and densitymid > TFOG and
+							n_humid > biomeparams.FOGHUT then -- fog
+						data[vi] = c_wscloud
+						stable[si] = 0
+						under[si] = 0
+					elseif density < 0 and CLOUDS and y == y1 and y >= YCLOMIN then -- clouds
+						local xrq = 16 * math.floor((x - x0) / 16) -- quantise to 16x16 lattice
+						local zrq = 16 * math.floor((z - z0) / 16)
+						local yrq = 79
+						local qixyz = zrq * 6400 + yrq * 80 + xrq + 1 -- quantised 3D index
+						if math.abs(nvals_fissure[qixyz]) < nvals_humid[qixyz] * 0.1 then
+							data[vi] = c_wscloud
+						end
+						stable[si] = 0
+						under[si] = 0
 					else -- air
 						stable[si] = 0
 						under[si] = 0
 					end
 				elseif y == y1 + 1 then -- plane of nodes above chunk
-					if density < 0 and y >= YWAT and under[si] ~= 0 then -- if air above fine materials
+					-- if air above fine materials
+					if density < 0 and y >= YWAT and under[si] ~= 0 then
 						if under[si] == 1 then -- add surface nodes to chunk top layer
 							data[viu] = c_wsicydirt
 						elseif under[si] == 2 then
@@ -720,15 +712,57 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 		end
 		nixz = nixz + sidelen
 	end
-
-	darkage_mapgen(data, area, {x=x0, y=y0, z=z0}, {x=x1, y=y1, z=z1}, global_seed) -- Generate darkage ores
 end
 
 
+-- Regenerate chunk by chat command. Dependant on chunksize = 5.
+
+minetest.register_chatcommand("regen",{
+	description = "Regenerate player's current mapchunk",
+	privs = {server = true, rollback = true},
+	func = function(name, params)
+		local t1 = os.clock()
+
+		local player = minetest.get_player_by_name(name)
+		local pos = player:getpos()
+		local plax = math.floor(pos.x + 0.5)
+		local play = math.floor(pos.y + 0.5)
+		local plaz = math.floor(pos.z + 0.5)
+		local x0 = (80 * math.floor((plax + 32) / 80)) - 32
+		local y0 = (80 * math.floor((play + 32) / 80)) - 32
+		local z0 = (80 * math.floor((plaz + 32) / 80)) - 32
+		local x1 = x0 + 79
+		local y1 = y0 + 79
+		local z1 = z0 + 79
+
+		if y0 < YMIN or y1 > YMAX then
+			return
+		end
+
+		print ("[watershed] regenerate mapchunk")
+
+		local vm = minetest.get_voxel_manip()
+		local pos1 = {x = x0, y = y0 - 1, z = z0}
+		local pos2 = {x = x1, y = y1 + 1, z = z1}
+		local emin, emax = vm:read_from_map(pos1, pos2)
+		local area = VoxelArea:new({MinEdge = emin, MaxEdge = emax})
+		local data = vm:get_data(dbuf)
+
+		watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)	
+
+		vm:set_data(data)
+		vm:write_to_map()
+		vm:update_map()
+
+		local chugent = math.ceil((os.clock() - t1) * 1000)
+		print ("[watershed] " .. chugent .. " ms")
+	end
+})
+
+
 -- On generated function
 
 minetest.register_on_generated(function(minp, maxp, seed)
-	global_seed = seed
 	if minp.y < YMIN or maxp.y > YMAX then
 		return
 	end
@@ -742,41 +776,128 @@ minetest.register_on_generated(function(minp, maxp, seed)
 	local y0 = minp.y
 	local z0 = minp.z
 
-	print ("[watershed] generate mapchunk minp (" .. x0 .. " " .. y0 .. " " .. z0 .. ")")
-
 	local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
 	local area = VoxelArea:new{MinEdge = emin, MaxEdge = emax}
-	local data = vm:get_data()
+	local data = vm:get_data(dbuf)
 
 	watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
 
 	vm:set_data(data)
-	minetest.generate_ores(vm, minp, maxp)
-	minetest.generate_decorations(vm, minp, maxp)
-	vm:set_lighting({day = 0, night = 0})
+	if not SINGLENODE then
+		vm:set_lighting({day = 0, night = 0}) -- remove incorrect precalculated light
+	end
 	vm:calc_lighting()
 	vm:write_to_map(data)
 	vm:update_liquids()
-
+	
 	local chugent = math.ceil((os.clock() - t1) * 1000)
 	print ("[watershed] " .. chugent .. " ms")
 end)
 
-default.register_ores()
-farming.register_mgv6_decorations()
--- cherry tree
-minetest.register_decoration({
-	deco_type = "simple",
-	place_on = "default:dirt_with_grass",
-	sidelen = 16,
-	noise_params = {
-		offset = 0,
-		scale = 0.005,
-		spread = {x=100, y=100, z=100},
-		seed = 278,
-		octaves = 2,
-		persist = 0.7
-	},
-	decoration = "default:mg_cherry_sapling",
-	height = 1,
-})
+
+-- Singlenode option
+
+if SINGLENODE then
+	-- Set mapgen parameters
+
+	minetest.set_mapgen_params({mgname = "singlenode", flags = "nolight"})
+
+
+	-- Spawn player function. Requires chunksize = 80 nodes (the default)
+
+	function spawnplayer(player)
+		local xsp
+		local ysp
+		local zsp
+
+		local nobj_terrain = nil
+		local nobj_mid     = nil
+		local nobj_base    = nil
+		local nobj_xlscale = nil
+
+		local nbuf_terrain
+		local nbuf_mid
+		local nbuf_base
+		local nbuf_xlscale
+
+		for chunk = 1, 128 do
+			print ("[watershed] searching for spawn "..chunk)
+			local x0 = 80 * math.random(-32, 32) - 32
+			local z0 = 80 * math.random(-32, 32) - 32
+			local y0 = -32
+			local x1 = x0 + 79
+			local z1 = z0 + 79
+			local y1 = 47
+			local sidelen = 80
+			local chulensxyz = {x = sidelen, y = sidelen + 2, z = sidelen}
+			local chulensxz = {x = sidelen, y = sidelen, z = 1}
+			local minposxyz = {x = x0, y = y0 - 1, z = z0}
+			local minposxz = {x = x0, y = z0}
+
+			nobj_terrain = nobj_terrain or minetest.get_perlin_map(np_terrain, chulensxyz)
+			nobj_mid     = nobj_mid     or minetest.get_perlin_map(np_mid, chulensxz)
+			nobj_base    = nobj_base    or minetest.get_perlin_map(np_base, chulensxz)
+			nobj_xlscale = nobj_xlscale or minetest.get_perlin_map(np_xlscale, chulensxz)
+
+			local nvals_terrain = nobj_terrain:get3dMap_flat(minposxyz, nbuf_terrain)
+			local nvals_mid     = nobj_mid    :get2dMap_flat(minposxz, nbuf_mid)
+			local nvals_base    = nobj_base   :get2dMap_flat(minposxz, nbuf_base)
+			local nvals_xlscale = nobj_xlscale:get2dMap_flat(minposxz, nbuf_xlscale)
+
+			local nixz = 1
+			local nixyz = 1
+			for z = z0, z1 do
+				for y = y0, y1 do
+					for x = x0, x1 do
+						local n_absterrain = math.abs(nvals_terrain[nixyz])
+						local n_absmid = math.abs(nvals_mid[nixz])
+						local n_absbase = math.abs(nvals_base[nixz])
+						local n_xlscale = nvals_xlscale[nixz]
+						
+						local n_invbase = (1 - n_absbase)
+						local terblen = (math.max(n_invbase, 0)) ^ BLENEXP
+						local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP
+						local densitybase = n_invbase * BASAMP + n_xlscale * XLSAMP +
+							grad
+						local densitymid = n_absmid * MIDAMP + densitybase
+						local canexp = 0.5 + terblen * 0.5
+						local canamp = terblen * CANAMP
+						local density = n_absterrain ^ canexp * canamp * n_absmid +
+							densitymid
+						
+						if y >= 1 and density > -0.005 and density < 0 then
+							ysp = y + 1
+							xsp = x
+							zsp = z
+							break
+						end
+						nixz = nixz + 1
+						nixyz = nixyz + 1
+					end
+					if ysp then
+						break
+					end
+					nixz = nixz - 80
+				end
+				if ysp then
+					break
+				end
+				nixz = nixz + 80
+			end
+			if ysp then
+				break
+			end
+		end
+		print ("[watershed] spawn player (" .. xsp .. " " .. ysp .. " " .. zsp .. ")")
+		player:setpos({x = xsp, y = ysp, z = zsp})
+	end
+
+	minetest.register_on_newplayer(function(player)
+		spawnplayer(player)
+	end)
+
+	minetest.register_on_respawnplayer(function(player)
+		spawnplayer(player)
+		return true
+	end)
+end

license.txt

@@ -1,14 +1,53 @@
-            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
-                    Version 2, December 2004
+License of source code
+----------------------
+GNU Lesser General Public License (2.1)
+Copyright (C) 2014-2017 paramat.
 
- Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
 
- 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.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
 
-            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
-   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-  0. You just DO WHAT THE FUCK YOU WANT TO.
-                       
+
+License of media (textures)
+---------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2014-2017 paramat
+
+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/

nodes.lua

@@ -1,37 +1,664 @@
-minetest.register_alias("watershed:appleleaf", "default:leaves")
-minetest.register_alias("watershed:appling", "default:sapling")
-minetest.register_alias("watershed:acaciatree", "moretrees:acacia_trunk")
-minetest.register_alias("watershed:acacialeaf", "moretrees:acacia_leaves")
-minetest.register_alias("watershed:acacialing", "moretrees:acacia_sapling")
-minetest.register_alias("watershed:pinetree", "default:pine_tree")
-minetest.register_alias("watershed:needles", "default:pine_needles")
-minetest.register_alias("watershed:pineling", "default:pine_sapling")
-minetest.register_alias("watershed:jungleleaf", "default:jungleleaves")
-minetest.register_alias("watershed:jungling", "default:junglesapling")
+minetest.register_node("watershed:appleleaf", {
+	description = "Appletree leaves",
+	drawtype = "allfaces_optional",
+	visual_scale = 1.3,
+	tiles = {"default_leaves.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {snappy=3, flammable=2, leaves=1},
+	drop = {
+		max_items = 1,
+		items = {
+			{items = {"watershed:appling"}, rarity = 20},
+			{items = {"watershed:appleleaf"}}
+		}
+	},
+	sounds = default.node_sound_leaves_defaults(),
+})
 
-minetest.register_alias("watershed:dirt", "default:dirt")
-minetest.register_alias("watershed:icydirt", "default:dirt_with_grass")
-minetest.register_alias("watershed:grass", "default:dirt_with_grass")
-minetest.register_alias("watershed:redstone", "default:desert_stone")
-minetest.register_alias("watershed:redcobble", "default:desert_cobble")
-minetest.register_alias("watershed:stone", "default:stone")
-minetest.register_alias("watershed:cactus", "default:cactus")
-minetest.register_alias("watershed:goldengrass", "default:dry_shrub")
-minetest.register_alias("watershed:drygrass", "default:dirt_with_dry_grass")
-minetest.register_alias("watershed:permafrost", "default:dirt")
-minetest.register_alias("watershed:freshice", "default:ice")
-minetest.register_alias("watershed:cloud", "default:cloud")
-minetest.register_alias("watershed:luxore", "default:stone")
-minetest.register_alias("watershed:light", "lantern:lamp")
-minetest.register_alias("watershed:acaciawood", "moretrees:acacia_wood")
-minetest.register_alias("watershed:pinewood", "default:pinewood")
+minetest.register_node("watershed:appling", {
+	description = "Appletree sapling",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"default_sapling.png"},
+	inventory_image = "default_sapling.png",
+	wield_image = "default_sapling.png",
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3}
+	},
+	groups = {snappy = 2, dig_immediate = 3, flammable = 2, attached_node = 1},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("watershed:acaciatree", {
+	description = "Acacia tree",
+	tiles = {"watershed_acaciatreetop.png", "watershed_acaciatreetop.png",
+		"watershed_acaciatree.png"},
+	paramtype2 = "facedir",
+	is_ground_content = false,
+	groups = {tree = 1, choppy = 2, oddly_breakable_by_hand = 1, flammable = 2},
+	sounds = default.node_sound_wood_defaults(),
+	on_place = minetest.rotate_node
+})
+
+minetest.register_node("watershed:acacialeaf", {
+	description = "Acacia leaves",
+	drawtype = "allfaces_optional",
+	visual_scale = 1.3,
+	tiles = {"watershed_acacialeaf.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {snappy = 3, flammable = 2, leaves = 1},
+	drop = {
+		max_items = 1,
+		items = {
+			{items = {"watershed:acacialing"}, rarity = 20},
+			{items = {"watershed:acacialeaf"}}
+		}
+	},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("watershed:acacialing", {
+	description = "Acacia tree sapling",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"watershed_acacialing.png"},
+	inventory_image = "watershed_acacialing.png",
+	wield_image = "watershed_acacialing.png",
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3}
+	},
+	groups = {snappy = 2, dig_immediate = 3, flammable = 2, attached_node = 1},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("watershed:pinetree", {
+	description = "Pine tree",
+	tiles = {"watershed_pinetreetop.png", "watershed_pinetreetop.png",
+		"watershed_pinetree.png"},
+	paramtype2 = "facedir",
+	is_ground_content = false,
+	groups = {tree = 1, choppy = 2, oddly_breakable_by_hand = 1, flammable = 2},
+	sounds = default.node_sound_wood_defaults(),
+	on_place = minetest.rotate_node
+})
+
+minetest.register_node("watershed:needles", {
+	description = "Pine needles",
+	drawtype = "allfaces_optional",
+	visual_scale = 1.3,
+	tiles = {"watershed_needles.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {snappy = 3},
+	drop = {
+		max_items = 1,
+		items = {
+			{items = {"watershed:pineling"}, rarity = 20},
+			{items = {"watershed:needles"}}
+		}
+	},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("watershed:pineling", {
+	description = "Pine sapling",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"watershed_pineling.png"},
+	inventory_image = "watershed_pineling.png",
+	wield_image = "watershed_pineling.png",
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3}
+	},
+	groups = {snappy = 2, dig_immediate = 3, flammable = 2, attached_node = 1},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("watershed:jungleleaf", {
+	description = "Jungletree leaves",
+	drawtype = "allfaces_optional",
+	visual_scale = 1.3,
+	tiles = {"default_jungleleaves.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {snappy = 3, flammable = 2, leaves = 1},
+	drop = {
+		max_items = 1,
+		items = {
+			{items = {"watershed:jungling"}, rarity = 20},
+			{items = {"watershed:jungleleaf"}}
+		}
+	},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("watershed:jungling", {
+	description = "Jungletree sapling",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"default_junglesapling.png"},
+	inventory_image = "default_junglesapling.png",
+	wield_image = "default_junglesapling.png",
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3}
+	},
+	groups = {snappy = 2, dig_immediate = 3, flammable = 2, attached_node = 1},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("watershed:dirt", {
+	description = "Dirt",
+	tiles = {"default_dirt.png"},
+	is_ground_content = false,
+	groups = {crumbly = 3, soil = 1},
+	drop = "default:dirt",
+	sounds = default.node_sound_dirt_defaults(),
+})
+
+minetest.register_node("watershed:icydirt", {
+	description = "Icy dirt",
+	tiles = {"watershed_icydirt.png"},
+	is_ground_content = false,
+	groups = {crumbly = 1},
+	drop = "default:dirt",
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name = "default_snow_footstep", gain = 0.15},
+		dug = {name = "default_snow_footstep", gain = 0.45},
+	}),
+})
+
+minetest.register_node("watershed:grass", {
+	description = "Grass",
+	tiles = {"default_grass.png", "default_dirt.png", "default_grass.png"},
+	is_ground_content = false,
+	groups = {crumbly = 3, soil = 1},
+	drop = "default:dirt",
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name = "default_grass_footstep", gain = 0.25},
+	}),
+})
+
+minetest.register_node("watershed:redstone", {
+	description = "Red stone",
+	tiles = {"default_desert_stone.png"},
+	is_ground_content = false,
+	groups = {cracky = 3},
+	drop = "watershed:redcobble",
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("watershed:redcobble", {
+	description = "Red cobblestone",
+	tiles = {"watershed_redcobble.png"},
+	is_ground_content = false,
+	groups = {cracky = 3, stone = 2},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("watershed:stone", {
+	description = "Stone",
+	tiles = {"default_stone.png"},
+	is_ground_content = false,
+	groups = {cracky = 3},
+	drop = "default:cobble",
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("watershed:cactus", {
+	description = "Cactus",
+	tiles = {"default_cactus_top.png", "default_cactus_top.png",
+		"default_cactus_side.png"},
+	paramtype2 = "facedir",
+	is_ground_content = false,
+	groups = {snappy = 1, choppy = 3, flammable = 2},
+	drop = "default:cactus",
+	sounds = default.node_sound_wood_defaults(),
+	on_place = minetest.rotate_node
+})
+
+minetest.register_node("watershed:goldengrass", {
+	description = "Golden grass",
+	drawtype = "plantlike",
+	tiles = {"watershed_goldengrass.png"},
+	inventory_image = "watershed_goldengrass.png",
+	wield_image = "watershed_goldengrass.png",
+	paramtype = "light",
+	walkable = false,
+	buildable_to = true,
+	is_ground_content = false,
+	groups = {snappy = 3, flammable = 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, -0.3125, 0.5},
+	},
+})
+
+minetest.register_node("watershed:drygrass", {
+	description = "Dry grass",
+	tiles = {"watershed_drygrass.png"},
+	is_ground_content = false,
+	groups = {crumbly = 1, soil = 1},
+	drop = "default:dirt",
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name = "default_grass_footstep", gain = 0.4},
+	}),
+})
+
+minetest.register_node("watershed:permafrost", {
+	description = "Permafrost",
+	tiles = {"watershed_permafrost.png"},
+	is_ground_content = false,
+	groups = {crumbly = 1},
+	drop = "default:dirt",
+	sounds = default.node_sound_dirt_defaults(),
+})
+
+minetest.register_node("watershed:vine", {
+	description = "Jungletree vine",
+	drawtype = "airlike",
+	paramtype = "light",
+	walkable = false,
+	climbable = true,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	is_ground_content = false,
+	groups = {not_in_creative_inventory = 1},
+})
+
+minetest.register_node("watershed:freshice", {
+	description = "Fresh ice",
+	tiles = {"watershed_freshice.png"},
+	is_ground_content = false,
+	paramtype = "light",
+	groups = {cracky = 3},
+	sounds = default.node_sound_glass_defaults(),
+})
+
+minetest.register_node("watershed:cloud", {
+	description = "Cloud",
+	drawtype = "glasslike",
+	tiles = {"watershed_cloud.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	sunlight_propagates = true,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	floodable = true,
+	post_effect_color = {a = 23, r = 241, g = 248, b = 255},
+})
+
+minetest.register_node("watershed:luxore", {
+	description = "Lux ore",
+	tiles = {"watershed_luxore.png"},
+	paramtype = "light",
+	light_source = 14,
+	groups = {cracky = 3},
+	drop = "watershed:luxcrystal 8",
+	sounds = default.node_sound_glass_defaults(),
+})
+
+minetest.register_node("watershed:light", {
+	description = "Light",
+	tiles = {"watershed_light.png"},
+	paramtype = "light",
+	light_source = 14,
+	groups = {cracky = 3},
+	sounds = default.node_sound_glass_defaults(),
+})
+
+minetest.register_node("watershed:acaciawood", {
+	description = "Acacia wood planks",
+	tiles = {"watershed_acaciawood.png"},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3, wood = 1},
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_node("watershed:pinewood", {
+	description = "Pine wood planks",
+	tiles = {"watershed_pinewood.png"},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3, wood = 1},
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_node("watershed:freshwater", {
+	description = "Freshwater source",
+	drawtype = "liquid",
+	tiles = {
+		{
+			name = "watershed_freshwateranim.png",
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 2.0}
+		}
+	},
+	special_tiles = {
+		{
+			name = "watershed_freshwateranim.png",
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 2.0},
+			backface_culling = false,
+		}
+	},
+	alpha = WATER_ALPHA,
+	paramtype = "light",
+	is_ground_content = false,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "source",
+	liquid_alternative_flowing = "watershed:freshwaterflow",
+	liquid_alternative_source = "watershed:freshwater",
+	liquid_viscosity = WATER_VISC,
+	liquid_renewable = false,
+	liquid_range = 2,
+	post_effect_color = {a = 64, r = 100, g = 150, b = 200},
+	groups = {water = 3, liquid = 3, puts_out_fire = 1},
+})
+
+minetest.register_node("watershed:freshwaterflow", {
+	description = "Flowing freshwater",
+	drawtype = "flowingliquid",
+	tiles = {"watershed_freshwater.png"},
+	special_tiles = {
+		{
+			image = "watershed_freshwaterflowanim.png",
+			backface_culling = false,
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 0.8}
+		},
+		{
+			image = "watershed_freshwaterflowanim.png",
+			backface_culling = true,
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 0.8}
+		},
+	},
+	alpha = WATER_ALPHA,
+	paramtype = "light",
+	paramtype2 = "flowingliquid",
+	is_ground_content = false,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "flowing",
+	liquid_alternative_flowing = "watershed:freshwaterflow",
+	liquid_alternative_source = "watershed:freshwater",
+	liquid_viscosity = WATER_VISC,
+	liquid_renewable = false,
+	liquid_range = 2,
+	post_effect_color = {a = 64, r = 100, g = 150, b = 200},
+	groups = {water = 3, liquid = 3, puts_out_fire = 1,
+		not_in_creative_inventory = 1},
+})
+
+minetest.register_node("watershed:lava", {
+	description = "Lava source",
+	drawtype = "liquid",
+	tiles = {
+		{
+			name = "default_lava_source_animated.png",
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 3.0}}
+	},
+	special_tiles = {
+		{
+			name = "default_lava_source_animated.png",
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 3.0},
+			backface_culling = false,
+		}
+	},
+	paramtype = "light",
+	light_source = 14,
+	is_ground_content = false,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "source",
+	liquid_alternative_flowing = "watershed:lavaflow",
+	liquid_alternative_source = "watershed:lava",
+	liquid_viscosity = LAVA_VISC,
+	liquid_renewable = false,
+	liquid_range = 2,
+	damage_per_second = 8,
+	post_effect_color = {a = 192, r = 255, g = 64, b = 0},
+	groups = {lava = 3, liquid = 2, hot = 3, igniter = 1},
+})
+
+minetest.register_node("watershed:lavaflow", {
+	description = "Flowing lava",
+	drawtype = "flowingliquid",
+	tiles = {"default_lava.png"},
+	special_tiles = {
+		{
+			image = "default_lava_flowing_animated.png",
+			backface_culling = false,
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 3.3}
+		},
+		{
+			image = "default_lava_flowing_animated.png",
+			backface_culling = true,
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 3.3}
+		},
+	},
+	paramtype = "light",
+	paramtype2 = "flowingliquid",
+	light_source = 14,
+	is_ground_content = false,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "flowing",
+	liquid_alternative_flowing = "watershed:lavaflow",
+	liquid_alternative_source = "watershed:lava",
+	liquid_viscosity = LAVA_VISC,
+	liquid_renewable = false,
+	liquid_range = 2,
+	damage_per_second = 8,
+	post_effect_color = {a = 192, r = 255, g = 64, b = 0},
+	groups = {lava = 3, liquid = 2, hot =3, igniter = 1,
+		not_in_creative_inventory = 1},
+})
+
+minetest.register_node("watershed:mixwater", {
+	description = "Mixed water source",
+	drawtype = "liquid",
+	tiles = {
+		{
+			name = "watershed_mixwateranim.png",
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 2.0}
+		}
+	},
+	special_tiles = {
+		{
+			name = "watershed_mixwateranim.png",
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 2.0},
+			backface_culling = false,
+		}
+	},
+	alpha = WATER_ALPHA,
+	paramtype = "light",
+	is_ground_content = false,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "source",
+	liquid_alternative_flowing = "watershed:mixwaterflow",
+	liquid_alternative_source = "watershed:mixwater",
+	liquid_viscosity = WATER_VISC,
+	liquid_renewable = false,
+	liquid_range = 2,
+	post_effect_color = {a = 64, r = 100, g = 120, b = 200},
+	groups = {water = 3, liquid = 3, puts_out_fire = 1},
+})
+
+minetest.register_node("watershed:mixwaterflow", {
+	description = "Flowing mixed water",
+	drawtype = "flowingliquid",
+	tiles = {"watershed_mixwater.png"},
+	special_tiles = {
+		{
+			image = "watershed_mixwaterflowanim.png",
+			backface_culling = false,
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 0.8}
+		},
+		{
+			image = "watershed_mixwaterflowanim.png",
+			backface_culling = true,
+			animation = {type = "vertical_frames",
+				aspect_w = 16, aspect_h = 16, length = 0.8}
+		},
+	},
+	alpha = WATER_ALPHA,
+	paramtype = "light",
+	paramtype2 = "flowingliquid",
+	is_ground_content = false,
+	walkable = false,
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "flowing",
+	liquid_alternative_flowing = "watershed:mixwaterflow",
+	liquid_alternative_source = "watershed:mixwater",
+	liquid_viscosity = WATER_VISC,
+	liquid_renewable = false,
+	liquid_range = 2,
+	post_effect_color = {a = 64, r = 100, g = 120, b = 200},
+	groups = {water = 3, liquid = 3, puts_out_fire = 1,
+		not_in_creative_inventory = 1},
+})
 
-minetest.register_alias("watershed:freshwater", "default:river_water_source")
-minetest.register_alias("watershed:freshwaterflow", "default:river_water_flowing")
-minetest.register_alias("watershed:lava", "default:lava_source")
-minetest.register_alias("watershed:lavaflow", "default:lava_flowing")
 
 -- Items
 
-minetest.register_alias("watershed:luxcrystal", "default:cobble")
+minetest.register_craftitem("watershed:luxcrystal", {
+	description = "Lux crystal",
+	inventory_image = "watershed_luxcrystal.png",
+})
 
+
+-- Crafting
+
+minetest.register_craft({
+	type = "cooking",
+	output = "default:desert_stone",
+	recipe = "watershed:redcobble",
+})
+
+minetest.register_craft({
+    output = "watershed:light 8",
+    recipe = {
+        {"default:glass", "default:glass", "default:glass"},
+        {"default:glass", "watershed:luxcrystal", "default:glass"},
+        {"default:glass", "default:glass", "default:glass"},
+    },
+})
+
+minetest.register_craft({
+	output = "watershed:acaciawood 4",
+	recipe = {
+		{"watershed:acaciatree"},
+	}
+})
+
+minetest.register_craft({
+	output = "watershed:pinewood 4",
+	recipe = {
+		{"watershed:pinetree"},
+	}
+})
+
+
+-- Buckets
+
+bucket.register_liquid(
+	"watershed:freshwater",
+	"watershed:freshwaterflow",
+	"watershed:bucket_freshwater",
+	"watershed_bucketfreshwater.png",
+	"WS Fresh Water Bucket"
+)
+
+bucket.register_liquid(
+	"watershed:lava",
+	"watershed:lavaflow",
+	"watershed:bucket_lava",
+	"bucket_lava.png",
+	"WS Lava Bucket"
+)
+
+
+-- Fuel
+
+minetest.register_craft({
+	type = "fuel",
+	recipe = "watershed:bucket_lava",
+	burntime = 60,
+	replacements = {{"watershed:bucket_lava", "bucket:bucket_empty"}},
+})
+
+
+-- Register stairs and slabs
+
+stairs.register_stair_and_slab(
+	"acaciawood",
+	"watershed:acaciawood",
+	{snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	{"watershed_acaciawood.png"},
+	"Acaciawood stair",
+	"Acaciawood slab",
+	default.node_sound_wood_defaults()
+)
+
+stairs.register_stair_and_slab(
+	"pinewood",
+	"watershed:pinewood",
+	{snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, flammable = 3},
+	{"watershed_pinewood.png"},
+	"Pinewood stair",
+	"Pinewood slab",
+	default.node_sound_wood_defaults()
+)