add pl.generate_noise_params()

bushes/init.lua

@@ -12,11 +12,9 @@ abstract_bushes = {}
 
 local bushes_bush_rarity = tonumber(minetest.settings:get("bushes_bush_rarity")) or 99.9
 local bushes_bush_rarity_fertility = tonumber(minetest.settings:get("bushes_bush_rarity_fertility")) or 1.5
-local bushes_bush_fertility = tonumber(minetest.settings:get("bushes_bush_fertility")) or -1
 
 local bushes_youngtrees_rarity = tonumber(minetest.settings:get("bushes_youngtrees_rarity")) or 100
 local bushes_youngtrees_rarity_fertility = tonumber(minetest.settings:get("bushes_youngtrees_rarity_fertility")) or 0.6
-local bushes_youngtrees_fertility = tonumber(minetest.settings:get("bushes_youngtrees_fertility")) or -0.5
 
 
 minetest.register_node("bushes:youngtree2_bottom", {
@@ -211,18 +209,17 @@ abstract_bushes.grow_bush_node = function(pos,dir, leaf_type)
 end
 
 
-biome_lib.register_on_generate({
+pl.register_on_generate({
 		surface = {
 			"default:dirt_with_grass",
 			"stoneage:grass_with_silex",
 			"sumpf:peat",
 			"sumpf:sumpf"
 		},
-		rarity = bushes_bush_rarity,
-		rarity_fertility = bushes_bush_rarity_fertility,
-		plantlife_limit = bushes_bush_fertility,
+		noise_params = pl.generate_noise_params({rarity = bushes_bush_rarity, rarity_fertility = bushes_bush_rarity_fertility}),
 		min_elevation = 1, -- above sea level
 	},
+	"bushes:bushes",
 	abstract_bushes.grow_bush
 )
 
@@ -254,17 +251,16 @@ abstract_bushes.grow_youngtree_node2 = function(pos, height)
 end
 
 
-biome_lib.register_on_generate({
+pl.register_on_generate({
 		surface = {
 			"default:dirt_with_grass",
 			"stoneage:grass_with_silex",
 			"sumpf:peat",
 			"sumpf:sumpf"
 		},
-		rarity = bushes_youngtrees_rarity,
-		rarity_fertility = bushes_youngtrees_rarity_fertility,
-		plantlife_limit = bushes_youngtrees_fertility,
+		noise_params = pl.generate_noise_params({rarity = bushes_youngtrees_rarity, rarity_fertility = bushes_youngtrees_rarity_fertility}),
 		min_elevation = 1, -- above sea level
 	},
+	"bushes:youngtrees",
 	abstract_bushes.grow_youngtree2
 )

cavestuff/mapgen.lua

@@ -1,39 +1,65 @@
 --Map Generation Stuff
 
-biome_lib.register_on_generate(
-	{
-		surface = {
-			"default:dirt_with_grass",
-			"default:gravel",
-			"default:stone",
-			"default:permafrost_with_stones"
-		},
-		max_count = 50,
-		rarity = 0,
-		plantlife_limit = -1,
-		check_air = true,
-		random_facedir = {0, 3}
-	},
-	{
+minetest.register_decoration({
+	decoration = {
 		"cavestuff:pebble_1",
 		"cavestuff:pebble_2"
-	}
-)
-
-biome_lib.register_on_generate(
-	{
-		surface = {
-			"default:desert_sand",
-			"default:desert_stone"
-		},
-		max_count = 50,
-		rarity = 0,
-		plantlife_limit = -1,
-		check_air = true,
-		random_facedir = {0, 3}
 	},
-	{
+	place_on = {
+		"default:dirt_with_grass",
+		"default:gravel",
+		"default:stone",
+		"default:permafrost_with_stones"
+	},
+	noise_params = {
+		offset = 0,
+		scale = 0.0078125,
+		spread = {
+			y = 100,
+			z = 100,
+			x = 100
+		},
+		seed = 0,
+		octaves = 3,
+		persist = 0.6,
+		flags = "absvalue",
+		lacunarity = 2
+	},
+	param2 = 0,
+	flags = "all_floors",
+	deco_type = "simple",
+	param2_max = 3,
+	y_min = -16,
+	y_max = 48
+})
+
+minetest.register_decoration({
+	decoration = {
 		"cavestuff:desert_pebble_1",
 		"cavestuff:desert_pebble_2"
-	}
-)
+	},
+	place_on = {
+		"default:desert_sand",
+		"default:desert_stone"
+	},
+	noise_params = {
+		offset = 0,
+		scale = 0.0078125,
+		spread = {
+				y = 100,
+				z = 100,
+				x = 100
+		},
+		seed = 0,
+		octaves = 3,
+		persist = 0.6,
+		flags = "absvalue",
+		lacunarity = 2
+	},
+	param2 = 0,
+	flags = "all_floors",
+	deco_type = "simple",
+	param2_max = 3,
+	y_min = -16,
+	y_max = 48
+})

dryplants/juncus.lua

@@ -92,44 +92,42 @@ minetest.register_node("dryplants:juncus_02", {
 -- GENERATE SMALL JUNCUS
 -----------------------------------------------------------------------------------------------
 -- near water or swamp
-biome_lib.register_on_generate({
-    surface = {
-		"default:dirt_with_grass",
-		--"default:desert_sand",
-		--"default:sand",
-		"stoneage:grass_with_silex",
-		"sumpf:peat",
-		"sumpf:sumpf"
+pl.register_on_generate({
+		surface = {
+			"default:dirt_with_grass",
+			--"default:desert_sand",
+			--"default:sand",
+			"stoneage:grass_with_silex",
+			"sumpf:peat",
+			"sumpf:sumpf"
+		},
+		noise_params = pl.generate_noise_params({max_count = JUNCUS_NEAR_WATER_PER_MAPBLOCK, rarity = 101 - JUNCUS_NEAR_WATER_RARITY}),
+		min_elevation = 1, -- above sea level
+		near_nodes = {"default:water_source","sumpf:dirtywater_source","sumpf:sumpf"},
+		near_nodes_size = 2,
+		near_nodes_vertical = 1,
+		near_nodes_count = 1,
 	},
-    max_count = JUNCUS_NEAR_WATER_PER_MAPBLOCK,
-    rarity = 101 - JUNCUS_NEAR_WATER_RARITY,
-    min_elevation = 1, -- above sea level
-	near_nodes = {"default:water_source","sumpf:dirtywater_source","sumpf:sumpf"},
-	near_nodes_size = 2,
-	near_nodes_vertical = 1,
-	near_nodes_count = 1,
-    plantlife_limit = -0.9,
-  },
-  abstract_dryplants.grow_juncus
+	"dryplants:juncus_near_water",
+	abstract_dryplants.grow_juncus
 )
 -- at dunes/beach
-biome_lib.register_on_generate({
-    surface = {
-		--"default:dirt_with_grass",
-		--"default:desert_sand",
-		"default:sand",
-		--"stoneage:grass_with_silex",
-		--"sumpf:peat",
-		--"sumpf:sumpf"
+pl.register_on_generate({
+		surface = {
+			--"default:dirt_with_grass",
+			--"default:desert_sand",
+			"default:sand",
+			--"stoneage:grass_with_silex",
+			--"sumpf:peat",
+			--"sumpf:sumpf"
+		},
+		noise_params = pl.generate_noise_params({max_count = JUNCUS_AT_BEACH_PER_MAPBLOCK, rarity = 101 - JUNCUS_AT_BEACH_RARITY}),
+		min_elevation = 1, -- above sea level
+		near_nodes = {"default:dirt_with_grass"},
+		near_nodes_size = 2,
+		near_nodes_vertical = 1,
+		near_nodes_count = 1,
 	},
-    max_count = JUNCUS_AT_BEACH_PER_MAPBLOCK,
-    rarity = 101 - JUNCUS_AT_BEACH_RARITY,
-    min_elevation = 1, -- above sea level
-	near_nodes = {"default:dirt_with_grass"},
-	near_nodes_size = 2,
-	near_nodes_vertical = 1,
-	near_nodes_count = 1,
-    plantlife_limit = -0.9,
-  },
-  abstract_dryplants.grow_juncus
+	"dryplants:junces_at_beach",
+	abstract_dryplants.grow_juncus
 )

dryplants/meadowvariation.lua

@@ -12,14 +12,13 @@ abstract_dryplants.grow_grass_variation = function(pos)
 	minetest.swap_node(right_here, {name="dryplants:grass_short"})
 end
 
-biome_lib.register_on_generate({
+pl.register_on_generate({
     surface = {
-		"default:dirt_with_grass",
-	},
-    max_count = 4800,
-    rarity = 25,
+      "default:dirt_with_grass",
+    },
+    noise_params = pl.generate_noise_params({max_count = 4800, rarity = 25}),
     min_elevation = 1, -- above sea level
-	plantlife_limit = -0.9,
   },
+  "dryplants:grass",
   abstract_dryplants.grow_grass_variation
 )

dryplants/moregrass.lua

@@ -7,24 +7,23 @@
 -- Looked at code from:		default
 -----------------------------------------------------------------------------------------------
 
-biome_lib.register_on_generate(
-	{
-		surface = {
-			"default:dirt_with_grass",
-			"stoneage:grass_with_silex",
-			"sumpf:peat",
-			"sumpf:sumpf"
-		},
-		max_count = TALL_GRASS_PER_MAPBLOCK,
-		rarity = 101 - TALL_GRASS_RARITY,
-		min_elevation = 1, -- above sea level
-		plantlife_limit = -0.9,
-		check_air = true,
-	},
-	{	"default:grass_1",
+minetest.register_decoration({
+	decoration = {
+		"default:grass_1",
 		"default:grass_2",
 		"default:grass_3",
 		"default:grass_4",
 		"default:grass_5"
-	}
-)
+	},
+	place_on = {
+		"default:dirt_with_grass",
+		"stoneage:grass_with_silex",
+		"sumpf:peat",
+		"sumpf:sumpf"
+	},
+	noise_params = pl.generate_noise_params({max_count = TALL_GRASS_PER_MAPBLOCK, rarity = 101 - TALL_GRASS_RARITY}),
+	flags = "all_floors",
+	deco_type = "simple",
+	y_min = 1,
+	y_max = 48
+})

dryplants/reedmace.lua

@@ -349,66 +349,63 @@ minetest.register_entity("dryplants:reedmace_water_entity",{
 -- GENERATE REEDMACE
 -----------------------------------------------------------------------------------------------
 -- near water or swamp
-biome_lib.register_on_generate({
-    surface = {
-		"default:dirt_with_grass",
-		"default:desert_sand",
-		"stoneage:grass_with_silex",
-		"sumpf:peat",
-		"sumpf:sumpf"
+pl.register_on_generate({
+		surface = {
+			"default:dirt_with_grass",
+			"default:desert_sand",
+			"stoneage:grass_with_silex",
+			"sumpf:peat",
+			"sumpf:sumpf"
+		},
+		noise_params = pl.generate_noise_params({max_count = REEDMACE_NEAR_WATER_PER_MAPBLOCK, rarity = 101 - REEDMACE_NEAR_WATER_RARITY}),
+		--rarity = 60,
+		min_elevation = 1, -- above sea level
+		near_nodes = {"default:water_source","sumpf:dirtywater_source","sumpf:sumpf"},
+		near_nodes_size = 2,
+		near_nodes_vertical = 1,
+		near_nodes_count = 1,
 	},
-    max_count = REEDMACE_NEAR_WATER_PER_MAPBLOCK,
-    rarity = 101 - REEDMACE_NEAR_WATER_RARITY,
-	--rarity = 60,
-    min_elevation = 1, -- above sea level
-	near_nodes = {"default:water_source","sumpf:dirtywater_source","sumpf:sumpf"},
-	near_nodes_size = 2,
-	near_nodes_vertical = 1,
-	near_nodes_count = 1,
-    plantlife_limit = -0.9,
-  },
-  abstract_dryplants.grow_reedmace
+	"dryplants:reedmace_near_water",
+	abstract_dryplants.grow_reedmace
 )
 -- in water
-biome_lib.register_on_generate({
-    surface = {
-		"default:dirt",
-		"default:dirt_with_grass",
-		--"default:desert_sand",
-		--"stoneage:grass_with_silex",
-		"stoneage:sand_with_silex",
-		"sumpf:peat",
-		"sumpf:sumpf"
+pl.register_on_generate({
+		surface = {
+			"default:dirt",
+			"default:dirt_with_grass",
+			--"default:desert_sand",
+			--"stoneage:grass_with_silex",
+			"stoneage:sand_with_silex",
+			"sumpf:peat",
+			"sumpf:sumpf"
+		},
+		noise_params = pl.generate_noise_params({max_count = REEDMACE_IN_WATER_PER_MAPBLOCK, rarity = 101 - REEDMACE_IN_WATER_RARITY}),
+		--rarity = 35,
+		min_elevation = 0, -- a bit below sea level
+		max_elevation = 0, -- ""
+		near_nodes = {"default:water_source","sumpf:dirtywater_source"},
+		near_nodes_size = 1,
+		near_nodes_count = 1,
 	},
-    max_count = REEDMACE_IN_WATER_PER_MAPBLOCK,
-	rarity = 101 - REEDMACE_IN_WATER_RARITY,
-    --rarity = 35,
-    min_elevation = 0, -- a bit below sea level
-	max_elevation = 0, -- ""
-	near_nodes = {"default:water_source","sumpf:dirtywater_source"},
-	near_nodes_size = 1,
-	near_nodes_count = 1,
-    plantlife_limit = -0.9,
-  },
-  abstract_dryplants.grow_reedmace_water
+	"dryplants:reedmace_in_water",
+	abstract_dryplants.grow_reedmace_water
 )
 -- for oases & tropical beaches & tropical swamps
-biome_lib.register_on_generate({
-    surface = {
-		"default:sand",
-		"sumpf:sumpf"
+pl.register_on_generate({
+		surface = {
+			"default:sand",
+			"sumpf:sumpf"
+		},
+		noise_params = pl.generate_noise_params({max_count = REEDMACE_FOR_OASES_PER_MAPBLOCK, 101 - REEDMACE_FOR_OASES_RARITY}),
+		--rarity = 10,
+		neighbors = {"default:water_source","sumpf:dirtywater_source","sumpf:sumpf"},
+		ncount = 1,
+		min_elevation = 1, -- above sea level
+		near_nodes = {"default:desert_sand","sumpf:sumpf"},
+		near_nodes_size = 2,
+		near_nodes_vertical = 1,
+		near_nodes_count = 1,
 	},
-    max_count = REEDMACE_FOR_OASES_PER_MAPBLOCK,
-    rarity = 101 - REEDMACE_FOR_OASES_RARITY,
-	--rarity = 10,
-    neighbors = {"default:water_source","sumpf:dirtywater_source","sumpf:sumpf"},
-	ncount = 1,
-    min_elevation = 1, -- above sea level
-	near_nodes = {"default:desert_sand","sumpf:sumpf"},
-	near_nodes_size = 2,
-	near_nodes_vertical = 1,
-	near_nodes_count = 1,
-    plantlife_limit = -0.9,
-  },
-  abstract_dryplants.grow_reedmace
+	"dryplants:reemace_oases",
+	abstract_dryplants.grow_reedmace
 )

molehills/init.lua

@@ -62,15 +62,14 @@ abstract_molehills.place_molehill = function(pos)
 	end
 end
 
-biome_lib.register_on_generate({
+pl.register_on_generate({
 		surface = {"default:dirt_with_grass"},
-		rarity = molehills_rarity,
-		rarity_fertility = molehills_rarity_fertility,
-		plantlife_limit = molehills_fertility,
+		noise_params = pl.generate_noise_params({rarity = molehills_rarity, rarity_fertility = molehills_rarity_fertility}),
 		min_elevation = 1,
 		max_elevation = 40,
-		avoid_nodes = {"group:tree","group:liquid","group:stone","group:falling_node"--[[,"air"]]},
+		avoid_nodes = {"group:tree","group:liquid","group:stone","group:falling_node"},
 		avoid_radius = 4,
 	},
+	"molehills:molehills",
 	abstract_molehills.place_molehill
 )

pl_seaweed/init.lua

@@ -56,16 +56,16 @@ for i in ipairs(algae_list) do
 			local above_node = minetest.get_node(pt.above)
 			local top_node	 = minetest.get_node(top_pos)
 
-			if biome_lib.get_nodedef_field(under_node.name, "buildable_to") then
+			if pl.get_nodedef_field(under_node.name, "buildable_to") then
 				if under_node.name ~= "default:water_source" then
 					place_pos = pt.under
 				elseif top_node.name ~= "default:water_source"
-							 and biome_lib.get_nodedef_field(top_node.name, "buildable_to") then
+							 and pl.get_nodedef_field(top_node.name, "buildable_to") then
 					place_pos = top_pos
 				else
 					return
 				end
-			elseif biome_lib.get_nodedef_field(above_node.name, "buildable_to") then
+			elseif pl.get_nodedef_field(above_node.name, "buildable_to") then
 				place_pos = pt.above
 			end
 			if not place_pos then return end -- something went wrong :P
@@ -92,7 +92,7 @@ for i in ipairs(algae_list) do
 					minetest.swap_node(place_pos, {name = "flowers:seaweed", param2 = fdir})
 				end
 
-				if not biome_lib.expect_infinite_stacks then
+				if not pl.expect_infinite_stacks then
 					itemstack:take_item()
 				end
 				return itemstack

plantlife_lib/init.lua

@@ -0,0 +1,167 @@
+pl = {}
+local deco = {}
+
+dofile(minetest.get_modpath("plantlife_lib") .. DIR_DELIM .. "util.lua")
+
+function pl.get_def_from_id(id)
+	for i, _ in ipairs(deco) do
+		if deco[i][1].id and deco[i][1].id == id then
+			return deco[i]
+		end
+	end
+end
+
+function pl.register_on_generate(def, plantname, func)
+	local deco_def = {
+		name = plantname,
+		deco_type = "simple",
+		place_on = def.place_on or def.surface,
+		sidelen = 16,
+		fill_ratio = def.fill_ratio or 0.02,
+		noise_params = def.noise_params,
+		y_min = def.min_elevation,
+		y_max = def.max_elevation,
+		flags = def.flags,
+		decoration = "air", -- spawn the decoration later
+	}
+	-- handle avoid_nodes (no engine support :\)
+	if def.avoid_nodes then
+		deco_def.avoid_nodes = def.avoid_nodes
+		if def.avoid_radius then
+			deco_def.avoid_radius = def.avoid_radius
+		end
+	end
+	-- handle near_nodes (we can't use the engine function for that)
+	if def.near_nodes then
+		deco_def.near_nodes = def.near_nodes
+		if def.near_nodes_size then
+			deco_def.near_nodes_size = def.near_nodes_size
+			if def.near_nodes_vertical then
+				deco_def.near_nodes_vertical = def.near_nodes_vertical
+			end
+		end
+		deco_def.near_nodes_count = def.near_nodes_count or 1
+	end
+	-- handle ncount/neighbors
+	if def.ncount and def.neighbors then
+		deco_def.ncount = def.ncount
+		deco_def.neighbors = def.neighbors
+	end
+	-- save def
+	local next = #deco + 1
+	deco[next] = {}
+	deco[next][1] = deco_def
+	deco[next][2] = func or nil
+	minetest.register_decoration(deco_def)
+	-- print(dump(deco))
+end
+
+local ids = {}
+minetest.register_on_mods_loaded(function()
+    -- print(dump(deco))
+    for k, v in ipairs(deco) do
+		local id = minetest.get_decoration_id(deco[k][1].name)
+        deco[k][1].id = id
+		table.insert(ids, id)
+    end
+	print(dump2(ids))
+    minetest.set_gen_notify("decoration", ids)
+	-- print(dump(deco))
+end)
+
+local function place_handler(t)
+	local def = pl.get_def_from_id(t.id)
+
+	-- ncount/neighbors handler
+	if def.ncount and
+		#minetest.find_nodes_in_area(
+			{x = t.pos.x-1, y = t.pos.y, z = t.pos.z-1},
+			{x = t.pos.x+1, y = t.pos.y, z = t.pos.z+1},
+			def.neighbors
+		) <= def.ncount then
+			print("return due ncount")
+		return -- Not enough similar biome nodes around
+	end
+
+	-- near nodes handler
+	if def.near_nodes and
+		#minetest.find_nodes_in_area(
+			{x = t.pos.x-def.near_nodes_size, y = t.pos.y-def.near_nodes_vertical, z = t.pos.z-def.near_nodes_size},
+			{x = t.pos.x+def.near_nodes_size, y = t.pos.y+def.near_nodes_vertical, z = t.pos.z+def.near_nodes_size},
+			def.near_nodes
+		) < def.near_nodes_count then
+		return -- Long distance neighbors do not match
+	end
+
+	-- avoid nodes handler
+	if def.avoid_nodes and def.avoid_radius then
+		local p_top = {x = t.pos.x, y = t.pos.y + 1, z = t.pos.z}
+		if minetest.find_node_near(p_top, def.avoid_radius + math.random(-1.5,2), def.avoid_nodes) then
+			return
+		end
+	end
+
+	-- run spawn function
+	local spawn_func = def[2]
+	spawn_func(t.pos)
+
+	-- some fun
+	local player = minetest.get_player_by_name("Niklp")
+	-- player:set_pos(t.pos)
+	t.pos.y = t.pos.y + 3
+	minetest.add_particle({
+		pos = t.pos,
+		expirationtime = 15,
+		playername = player:get_player_name(),
+		glow = minetest.LIGHT_MAX,
+		texture = "default_mese_crystal.png",
+		size = 15,
+	})
+end
+
+minetest.register_on_generated(function(minp, maxp, blockseed)
+	local t0 = minetest.get_us_time()
+    local g = minetest.get_mapgen_object("gennotify")
+    local locations = {}
+	for _, id in ipairs(ids) do
+		local deco_locations = g["decoration#" .. id] or {}
+		-- print("dl: " .. dump2(deco_locations))
+		for k, pos in pairs(deco_locations) do
+			-- print(id)
+			local next = #locations + 1
+			locations[next] = {}
+			locations[next].pos = pos
+			locations[next].id = id
+			-- dbg()             ^ - This must be ID!
+		end
+	end
+    if #locations == 0 then return end
+	-- print("locations: " .. dump2(locations))
+    for _, t in ipairs(locations) do
+		place_handler(t)
+    end
+	local t1 = minetest.get_us_time()
+	print((t1 - t0) / 1000 .. " ms")
+end)
+
+--[[ Example plant
+{
+	{
+		y_min = 1,
+		decoration = "air",
+		deco_type = "simple",
+		id = 45,
+		name = "bushes:bushes_1",
+		place_on = {
+			"default:dirt_with_grass",
+			"stoneage:grass_with_silex",
+			"sumpf:peat",
+			"sumpf:sumpf"
+		},
+		sidelen = 16,
+		fill_ratio = 0.001
+	},
+	^ - decoration def; object ID
+	<function>
+},	^ - spawn function
+]]--

plantlife_lib/mod.conf

@@ -0,0 +1,2 @@
+name = plantlife_lib
+optional_depends = dbg

plantlife_lib/util.lua

@@ -0,0 +1,42 @@
+-- Biome lib util functions
+
+function pl.get_nodedef_field(nodename, fieldname)
+	if not minetest.registered_nodes[nodename] then
+		return nil
+	end
+	return minetest.registered_nodes[nodename][fieldname]
+end
+
+if minetest.get_modpath("unified_inventory") or not minetest.settings:get_bool("creative_mode") then
+	pl.expect_infinite_stacks = false
+else
+	pl.expect_infinite_stacks = true
+end
+
+-- Noise param helper
+local function set_defaults(biome)
+	biome.seed_diff = biome.seed_diff or 0
+	biome.rarity = biome.rarity or 50
+	biome.rarity_fertility = biome.rarity_fertility or 0
+	biome.max_count = biome.max_count or 125
+
+	return biome
+end
+
+function pl.generate_noise_params(b)
+	local biome = set_defaults(b)
+	local r = (100-biome.rarity)/100
+	local mc = math.min(biome.max_count, 6400)/6400
+
+	local noise_params = {
+		octaves = biome_lib.fertile_perlin_octaves,
+		persist = biome_lib.fertile_perlin_persistence * (100/biome_lib.fertile_perlin_scale),
+		scale = math.min(r, mc),
+		seed = biome.seed_diff,
+		offset = 0,
+		spread = {x = 100, y = 100, z = 100},
+		lacunarity = 2,
+		flags = "absvalue"
+	}
+	return noise_params
+end

trunks/generating.lua

@@ -152,35 +152,33 @@ abstract_trunks.place_twig = function(pos)
 end
 
 if Twigs_on_ground == true then
-biome_lib.register_on_generate({
+pl.register_on_generate({
     surface = {"default:dirt_with_grass"},
-    max_count = Twigs_on_ground_Max_Count,
-    rarity = Twigs_on_ground_Rarity,
+	noise_params = pl.generate_noise_params({max_count = Twigs_on_ground_Max_Count, rarity = Twigs_on_ground_Rarity}),
     min_elevation = 1,
 	max_elevation = 40,
 	near_nodes = {"group:tree","ferns:fern_03","ferns:fern_02","ferns:fern_01"},
 	near_nodes_size = 3,
 	near_nodes_vertical = 1,
 	near_nodes_count = 1,
-    plantlife_limit = -0.9,
   },
+  "trunks:on_grass",
   abstract_trunks.place_twig
 )
 end
 
 if Twigs_on_water == true then
-biome_lib.register_on_generate({
+pl.register_on_generate({
     surface = {"default:water_source"},
-    max_count = Twigs_on_water_Max_Count,
-    rarity = Twigs_on_water_Rarity,
+	noise_params = pl.generate_noise_params({max_count = Twigs_on_water_Max_Count, rarity = Twigs_on_water_Rarity}),
     min_elevation = 1,
 	max_elevation = 40,
 	near_nodes = {"group:tree"},
 	near_nodes_size = 3,
 	near_nodes_vertical = 1,
 	near_nodes_count = 1,
-    plantlife_limit = -0.9,
   },
+  "trunks:on_water",
   abstract_trunks.place_twig
 )
 end
@@ -322,10 +320,9 @@ abstract_trunks.place_trunk = function(pos)
 	end
 end
 
-biome_lib.register_on_generate({
+pl.register_on_generate({
     surface = {"default:dirt_with_grass"},
-    max_count = Trunks_Max_Count, -- 320,
-    rarity = Trunks_Rarity, -- 99,
+	noise_params = pl.generate_noise_params({max_count = Trunks_Max_Count, rarity = Trunks_Rarity}),
     min_elevation = 1,
 	max_elevation = 40,
 	avoid_nodes = {"group:tree"},
@@ -334,8 +331,8 @@ biome_lib.register_on_generate({
 	near_nodes_size = 3,
 	near_nodes_vertical = 1,
 	near_nodes_count = 1,
-    plantlife_limit = -0.9,
   },
+  "trunks:on_grass_2",
   abstract_trunks.place_trunk
 )
 
@@ -356,10 +353,9 @@ abstract_trunks.grow_moss_on_ground = function(pos)
 
 end
 
-biome_lib.register_on_generate({
+pl.register_on_generate({
     surface = {"default:dirt_with_grass"},
-    max_count = Moss_on_ground_Max_Count,
-    rarity = Moss_on_ground_Rarity,
+	noise_params = pl.generate_noise_params({max_count = Moss_on_ground_Max_Count, rarity = Moss_on_ground_Rarity}),
     min_elevation = 1,
 	max_elevation = 40,
 	near_nodes = {
@@ -371,8 +367,8 @@ biome_lib.register_on_generate({
 	near_nodes_size = 2,
 	near_nodes_vertical = 1,
 	near_nodes_count = 1,
-    plantlife_limit = -0.9,
   },
+  "trunks:on_grass_3",
   abstract_trunks.grow_moss_on_ground
 )
 end
@@ -437,8 +433,8 @@ abstract_trunks.grow_moss_on_trunk = function(pos)
 	--end
 end
 
-biome_lib.register_on_generate({
-    surface = {
+pl.register_on_generate({
+	surface = {
 		"default:tree",
 		"default:jungletree",
 		"default:pine_tree",
@@ -458,14 +454,12 @@ biome_lib.register_on_generate({
 		"moretrees:willow_trunk",
 		"default:mossycobble"
 	},
-    max_count = Moss_on_trunk_Max_Count,
-    rarity = Moss_on_trunk_Rarity,
+	noise_params = pl.generate_noise_params({max_count = Moss_on_trunk_Max_Count, rarity = Moss_on_trunk_Rarity}),
     min_elevation = 1,
 	max_elevation = 40,
-    plantlife_limit = -0.9,
-	check_air = false,
   },
-  "abstract_trunks.grow_moss_on_trunk"
+  "trunks:moss_on_trunk",
+  abstract_trunks.grow_moss_on_trunk
 )
 end
 
@@ -510,20 +504,18 @@ abstract_trunks.grow_roots = function(pos)
 	end
 end
 
-biome_lib.register_on_generate({
+pl.register_on_generate({
     surface = {"group:tree"},
-    max_count = 1000,
-    rarity = 1,
+	noise_params = pl.generate_noise_params({max_count = 1000, rarity = 1,}),
     min_elevation = 1,
 	max_elevation = 40,
 	near_nodes = {"default:dirt_with_grass"},
 	near_nodes_size = 1,
 	near_nodes_vertical = 1,
 	near_nodes_count = 1,
-    plantlife_limit = -1,
-    check_air = false,
   },
-  "abstract_trunks.grow_roots"
+  "trunks:grow_roots",
+  abstract_trunks.grow_roots
 )
 
 end