add readme.md

...and some change to plantlife that I can't remember what for ;)

7 files changed, 346 insertions, 326 deletions

diff --git a/ferns/crafting.lua b/ferns/crafting.lua
index 7a74579..1a24429 100644
--- a/ferns/crafting.lua
+++ b/ferns/crafting.lua
@@ -1,105 +1,110 @@
--- support for i18n

-local S = plantlife_i18n.gettext

------------------------------------------------------------------------------------------------

--- Ferns - Crafting 0.0.5

------------------------------------------------------------------------------------------------

--- (by Mossmanikin)

--- License (everything): 	WTFPL

------------------------------------------------------------------------------------------------

-minetest.register_craft({

-	type = "shapeless",

-	output = "ferns:fiddlehead 3",

-	recipe = {"ferns:fern_01"},

-	replacements = {

-		{"ferns:fern_01", "ferns:ferntuber"}

-	},

-})

-

-minetest.register_craft({

-	type = "shapeless",

-	output = "ferns:fiddlehead 3",

-	recipe = {"ferns:tree_fern_leaves"},

-	replacements = {

-		{"ferns:tree_fern_leaves", "ferns:sapling_tree_fern"}

-	},

-})

------------------------------------------------------------------------------------------------

--- FIDDLEHEAD

------------------------------------------------------------------------------------------------

-minetest.register_alias("archaeplantae:fiddlehead",      "ferns:fiddlehead")

-

-minetest.register_craftitem("ferns:fiddlehead", {

-	description = S("Fiddlehead"),

-	inventory_image = "ferns_fiddlehead.png",

-	on_use = minetest.item_eat(-1), -- slightly poisonous when raw

-})

-minetest.register_craft({

-	type = "cooking",

-	output = "ferns:fiddlehead_roasted",

-	recipe = "ferns:fiddlehead",

-	cooktime = 1,

-})

-minetest.register_craftitem("ferns:fiddlehead_roasted", {

-	description = S("Roasted Fiddlehead"),

-	inventory_image = "ferns_fiddlehead_roasted.png",

-	on_use = minetest.item_eat(1), -- edible when cooked

-})

------------------------------------------------------------------------------------------------

--- FERN TUBER

------------------------------------------------------------------------------------------------

-minetest.register_alias("archaeplantae:ferntuber",      "ferns:ferntuber")

-

-minetest.register_craftitem("ferns:ferntuber", {

-	description = S("Fern Tuber"),

-	inventory_image = "ferns_ferntuber.png",

-})

-minetest.register_craft({

-	type = "cooking",

-	output = "ferns:ferntuber_roasted",

-	recipe = "ferns:ferntuber",

-	cooktime = 3,

-})

-

-minetest.register_alias("archaeplantae:ferntuber_roasted",      "ferns:ferntuber_roasted")

-

-minetest.register_craftitem("ferns:ferntuber_roasted", {

-	description = S("Roasted Fern Tuber"),

-	inventory_image = "ferns_ferntuber_roasted.png",

-	on_use = minetest.item_eat(3),

-})

------------------------------------------------------------------------------------------------

--- HORSETAIL  (EQUISETUM) --> GREEN DYE https://en.wikipedia.org/wiki/Equisetum

------------------------------------------------------------------------------------------------

-minetest.register_craft({

-	type = "shapeless",

-	output = "dye:green",

-	recipe = {"group:horsetail"},

-})

------------------------------------------------------------------------------------------------

--- GLUE WOODEN TOOLS with RESIN & POLISH them with HORSETAIL (planned)

------------------------------------------------------------------------------------------------

---[[minetest.register_craft({

-	type = "shapeless",

-	output = "default:pick_wood",

-	recipe = {"default:pick_wood","group:horsetail","farming:string","default:stick"},

-})

-minetest.register_craft({

-	type = "shapeless",

-	output = "default:shovel_wood",

-	recipe = {"default:shovel_wood","group:horsetail","farming:string","default:stick"},

-})

-minetest.register_craft({

-	type = "shapeless",

-	output = "default:axe_wood",

-	recipe = {"default:axe_wood","group:horsetail","farming:string","default:stick"},

-})

-minetest.register_craft({

-	type = "shapeless",

-	output = "default:sword_wood",

-	recipe = {"default:sword_wood","group:horsetail","farming:string","default:stick"},

-})

-minetest.register_craft({

-	type = "shapeless",

-	output = "farming:hoe_wood",

-	recipe = {"farming:hoe_wood","group:horsetail","farming:string","default:stick"},

-})]]

+-- support for i18n
+local S = plantlife_i18n.gettext
+-----------------------------------------------------------------------------------------------
+-- Ferns - Crafting 0.0.5
+-----------------------------------------------------------------------------------------------
+-- (by Mossmanikin)
+-- License (everything):	WTFPL
+-----------------------------------------------------------------------------------------------
+
+local fern1 = minetest.registered_items["default:fern_1"] or false
+fern1 = (fern1 and fern1.name) or "ferns:fern_01"
+
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "ferns:fiddlehead 3",
+	recipe = {"ferns:fern_01"},
+	replacements = {
+		{fern1, "ferns:ferntuber"}
+	},
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "ferns:fiddlehead 3",
+	recipe = {"ferns:tree_fern_leaves"},
+	replacements = {
+		{"ferns:tree_fern_leaves", "ferns:sapling_tree_fern"}
+	},
+})
+-----------------------------------------------------------------------------------------------
+-- FIDDLEHEAD
+-----------------------------------------------------------------------------------------------
+minetest.register_alias("archaeplantae:fiddlehead",      "ferns:fiddlehead")
+
+minetest.register_craftitem("ferns:fiddlehead", {
+	description = S("Fiddlehead"),
+	inventory_image = "ferns_fiddlehead.png",
+	on_use = minetest.item_eat(-1), -- slightly poisonous when raw
+})
+minetest.register_craft({
+	type = "cooking",
+	output = "ferns:fiddlehead_roasted",
+	recipe = "ferns:fiddlehead",
+	cooktime = 1,
+})
+minetest.register_craftitem("ferns:fiddlehead_roasted", {
+	description = S("Roasted Fiddlehead"),
+	inventory_image = "ferns_fiddlehead_roasted.png",
+	on_use = minetest.item_eat(1), -- edible when cooked
+})
+-----------------------------------------------------------------------------------------------
+-- FERN TUBER
+-----------------------------------------------------------------------------------------------
+minetest.register_alias("archaeplantae:ferntuber",      "ferns:ferntuber")
+
+minetest.register_craftitem("ferns:ferntuber", {
+	description = S("Fern Tuber"),
+	inventory_image = "ferns_ferntuber.png",
+})
+minetest.register_craft({
+	type = "cooking",
+	output = "ferns:ferntuber_roasted",
+	recipe = "ferns:ferntuber",
+	cooktime = 3,
+})
+
+minetest.register_alias("archaeplantae:ferntuber_roasted",      "ferns:ferntuber_roasted")
+
+minetest.register_craftitem("ferns:ferntuber_roasted", {
+	description = S("Roasted Fern Tuber"),
+	inventory_image = "ferns_ferntuber_roasted.png",
+	on_use = minetest.item_eat(3),
+})
+-----------------------------------------------------------------------------------------------
+-- HORSETAIL  (EQUISETUM) --> GREEN DYE https://en.wikipedia.org/wiki/Equisetum
+-----------------------------------------------------------------------------------------------
+minetest.register_craft({
+	type = "shapeless",
+	output = "dye:green",
+	recipe = {"group:horsetail"},
+})
+-----------------------------------------------------------------------------------------------
+-- GLUE WOODEN TOOLS with RESIN & POLISH them with HORSETAIL (planned)
+-----------------------------------------------------------------------------------------------
+--[[minetest.register_craft({
+	type = "shapeless",
+	output = "default:pick_wood",
+	recipe = {"default:pick_wood","group:horsetail","farming:string","default:stick"},
+})
+minetest.register_craft({
+	type = "shapeless",
+	output = "default:shovel_wood",
+	recipe = {"default:shovel_wood","group:horsetail","farming:string","default:stick"},
+})
+minetest.register_craft({
+	type = "shapeless",
+	output = "default:axe_wood",
+	recipe = {"default:axe_wood","group:horsetail","farming:string","default:stick"},
+})
+minetest.register_craft({
+	type = "shapeless",
+	output = "default:sword_wood",
+	recipe = {"default:sword_wood","group:horsetail","farming:string","default:stick"},
+})
+minetest.register_craft({
+	type = "shapeless",
+	output = "farming:hoe_wood",
+	recipe = {"farming:hoe_wood","group:horsetail","farming:string","default:stick"},
+})]]
diff --git a/ferns/fern.lua b/ferns/fern.lua
index ed0bd71..5c03131 100644
--- a/ferns/fern.lua
+++ b/ferns/fern.lua
@@ -1,199 +1,216 @@
------------------------------------------------------------------------------------------------

--- Ferns - Fern 0.1.0

------------------------------------------------------------------------------------------------

--- by Mossmanikin

--- License (everything): 	WTFPL

--- Contains code from: 		biome_lib

--- Looked at code from:		default, flowers, painting, trees

--- Dependencies: 			biome_lib

--- Supports:				dryplants, stoneage, sumpf

------------------------------------------------------------------------------------------------

--- some inspiration from here

--- https://en.wikipedia.org/wiki/Athyrium_yokoscense

--- http://www.mygarden.net.au/gardening/athyrium-yokoscense/3900/1

------------------------------------------------------------------------------------------------

-

-assert(abstract_ferns.config.enable_lady_fern == true)

-

--- support for i18n

-local S = plantlife_i18n.gettext

-

--- Maintain backward compatibilty

-minetest.register_alias("archaeplantae:fern",		"ferns:fern_03")

-minetest.register_alias("archaeplantae:fern_mid",	"ferns:fern_02")

-minetest.register_alias("archaeplantae:fern_small",	"ferns:fern_01")

-minetest.register_alias("ferns:fern_04",      		"ferns:fern_02") -- for placing

-

-local nodenames = {}

-

-local function create_nodes()

-	local images 	= { "ferns_fern.png", "ferns_fern_mid.png", "ferns_fern_big.png" }

-	local vscales	= { 1, math.sqrt(8), math.sqrt(11) }

-	local descs		= { S("Lady-fern (Athyrium)"), nil, nil }

-

-	for i = 1, 3 do

-		local node_on_place = nil

-		if i == 1 then

-			node_on_place = function(itemstack, placer, pointed_thing)

-				-- place a random fern

-				local stack = ItemStack("ferns:fern_0"..math.random(1,4))

-				local ret = minetest.item_place(stack, placer, pointed_thing)

-				return ItemStack("ferns:fern_01 "..itemstack:get_count()-(1-ret:get_count()))	-- TODO FIXME?

-			end

-		end

-		nodenames[i] = "ferns:fern_"..string.format("%02d", i)

-		minetest.register_node(nodenames[i], {

-			description = descs[i] or (S("Lady-fern (Athyrium)").." " .. string.format("%02d", i)),

-			inventory_image = "ferns_fern.png",

-			drawtype = "plantlike",

-			visual_scale = vscales[i],

-			paramtype = "light",

-			tiles = { images[i] },

-			walkable = false,

-			buildable_to = true,

-			groups = {snappy=3,flammable=2,attached_node=1,not_in_creative_inventory=1},

-			sounds = default.node_sound_leaves_defaults(),

-			selection_box = {

-				type = "fixed",

-				fixed = {-7/16, -1/2, -7/16, 7/16, 0, 7/16},

-			},

-			drop = "ferns:fern_01",

-			on_place = node_on_place

-		})

-	end

-end

-

------------------------------------------------------------------------------------------------

--- Init

------------------------------------------------------------------------------------------------

-

-create_nodes()

-

------------------------------------------------------------------------------------------------

--- Spawning

------------------------------------------------------------------------------------------------

-

-if abstract_ferns.config.lady_ferns_near_tree == true then

-	biome_lib:register_generate_plant({ -- near trees (woodlands)

-		surface = {

-			"default:dirt_with_grass",

-			"default:mossycobble",

-			"default:desert_sand",

-			"default:sand",

-			"default:jungletree",

-			"stoneage:grass_with_silex",

-			"sumpf:sumpf"

-		},

-		max_count = 30,

-		rarity = 62,--63,

-		min_elevation = 1, -- above sea level

-		near_nodes = {"group:tree"},

-		near_nodes_size = 3,--4,

-		near_nodes_vertical = 2,--3,

-		near_nodes_count = 1,

-		plantlife_limit = -0.9,

-		humidity_max = -1.0,

-		humidity_min = 0.4,

-		temp_max = -0.5, -- 55 °C (too hot?)

-		temp_min = 0.75, -- -12 °C

-		random_facedir = { 0, 179 },

-	},

-	nodenames

-	)

-end

-

-if abstract_ferns.config.lady_ferns_near_rock == true then

-	biome_lib:register_generate_plant({ -- near stone (mountains)

-		surface = {

-			"default:dirt_with_grass",

-			"default:mossycobble",

-			"group:falling_node",

-			--"default:jungletree",

-			"stoneage:grass_with_silex",

-			"sumpf:sumpf"

-		},

-		max_count = 35,

-		rarity = 40,

-		min_elevation = 1, -- above sea level

-		near_nodes = {"group:stone"},

-		near_nodes_size = 1,

-		near_nodes_count = 16,

-		plantlife_limit = -0.9,

-		humidity_max = -1.0,

-		humidity_min = 0.4,

-		temp_max = -0.5, -- 55 °C (too hot?)

-		temp_min = 0.75, -- -12 °C

-		random_facedir = { 0, 179 },

-	},

-	nodenames

-	)

-end

-

-if abstract_ferns.config.lady_ferns_near_ores == true then -- this one causes a huge fps drop

-	biome_lib:register_generate_plant({ -- near ores (potential mining sites)

-		surface = {

-			"default:dirt_with_grass",

-			"default:mossycobble",

-			"default:stone_with_coal",

-			"default:stone_with_iron",

-			"moreores:mineral_tin",

-			"moreores:mineral_silver",

-			"sumpf:sumpf"

-		},

-		max_count = 1200,--1600, -- maybe too much? :D

-		rarity = 25,--15,

-		min_elevation = 1, -- above sea level

-		near_nodes = {

-			"default:stone_with_iron",

-			--"default:stone_with_copper",

-			--"default:stone_with_mese",

-			--"default:stone_with_gold",

-			--"default:stone_with_diamond",

-			"moreores:mineral_tin",

-			"moreores:mineral_silver"

-			--"moreores:mineral_mithril"

-		},

-		near_nodes_size = 2,

-		near_nodes_vertical = 4,--5,--6,

-		near_nodes_count = 2,--3,

-		plantlife_limit = -0.9,

-		humidity_max = -1.0,

-		humidity_min = 0.4,

-		temp_max = -0.5, -- 55 °C (too hot?)

-		temp_min = 0.75, -- -12 °C

-		random_facedir = { 0, 179 },

-	},

-	nodenames

-	)

-end

-

-if abstract_ferns.config.lady_ferns_in_groups == true then -- this one is meant as a replacement of Ferns_near_Ores

-	biome_lib:register_generate_plant({

-		surface = {

-			"default:dirt_with_grass",

-			"default:mossycobble",

-			"default:stone_with_coal",

-			"default:stone_with_iron",

-			"moreores:mineral_tin",

-			"moreores:mineral_silver",

-			"sumpf:sumpf"

-		},

-		max_count = 70,

-		rarity = 25,--15,

-		min_elevation = 1, -- above sea level

-		near_nodes = {

-			"default:stone"

-		},

-		near_nodes_size = 2,

-		near_nodes_vertical = 2,--6,

-		near_nodes_count = 3,

-		plantlife_limit = -0.9,

-		humidity_max = -1.0,

-		humidity_min = 0.4,

-		temp_max = -0.5, -- 55 °C (too hot?)

-		temp_min = 0.75, -- -12 °C

-		random_facedir = { 0, 179 },

-	},

-	nodenames

-	)

-end

+-----------------------------------------------------------------------------------------------
+-- Ferns - Fern 0.1.0
+-----------------------------------------------------------------------------------------------
+-- by Mossmanikin
+-- License (everything):	WTFPL
+-- Contains code from:		biome_lib
+-- Looked at code from:		default, flowers, painting, trees
+-- Dependencies:			biome_lib
+-- Supports:				dryplants, stoneage, sumpf
+-----------------------------------------------------------------------------------------------
+-- some inspiration from here
+-- https://en.wikipedia.org/wiki/Athyrium_yokoscense
+-- http://www.mygarden.net.au/gardening/athyrium-yokoscense/3900/1
+-----------------------------------------------------------------------------------------------
+
+assert(abstract_ferns.config.enable_lady_fern == true)
+
+-- support for i18n
+local S = plantlife_i18n.gettext
+
+-- Maintain backward compatibilty
+-- minetest-0.5: Begin
+local default_ferns = minetest.registered_items["default:fern_1"] or false
+if default_ferns then
+	minetest.register_alias("ferns:fern_03", "default:fern_3")
+	minetest.register_alias("ferns:fern_02", "default:fern_2")
+	minetest.register_alias("ferns:fern_01", "default:fern_1")
+end
+-- minetest-0.5: End
+minetest.register_alias("archaeplantae:fern",		"ferns:fern_03")
+minetest.register_alias("archaeplantae:fern_mid",	"ferns:fern_02")
+minetest.register_alias("archaeplantae:fern_small",	"ferns:fern_01")
+minetest.register_alias("ferns:fern_04",		"ferns:fern_02") -- for placing
+
+local nodenames = {}
+
+local function create_nodes()
+	local images	= { "ferns_fern.png", "ferns_fern_mid.png", "ferns_fern_big.png" }
+	local vscales	= { 1, math.sqrt(8), math.sqrt(11) }
+	local descs		= { S("Lady-fern (Athyrium)"), nil, nil }
+
+	for i = 1, 3 do
+		local node_on_place = nil
+		if i == 1 then
+			node_on_place = function(itemstack, placer, pointed_thing)
+				-- place a random fern
+				local stack = ItemStack("ferns:fern_0"..math.random(1,4))
+				local ret = minetest.item_place(stack, placer, pointed_thing)
+				return ItemStack("ferns:fern_01 "..itemstack:get_count()-(1-ret:get_count()))	-- TODO FIXME?
+			end
+		end
+		nodenames[i] = "ferns:fern_"..string.format("%02d", i)
+		minetest.register_node(nodenames[i], {
+			description = descs[i] or (S("Lady-fern (Athyrium)").." " .. string.format("%02d", i)),
+			inventory_image = "ferns_fern.png",
+			drawtype = "plantlike",
+			visual_scale = vscales[i],
+			paramtype = "light",
+			tiles = { images[i] },
+			walkable = false,
+			buildable_to = true,
+			groups = {snappy=3,flammable=2,attached_node=1,not_in_creative_inventory=1},
+			sounds = default.node_sound_leaves_defaults(),
+			selection_box = {
+				type = "fixed",
+				fixed = {-7/16, -1/2, -7/16, 7/16, 0, 7/16},
+			},
+			drop = "ferns:fern_01",
+			on_place = node_on_place
+		})
+	end
+end
+
+-----------------------------------------------------------------------------------------------
+-- Init
+-----------------------------------------------------------------------------------------------
+
+if default_ferns then
+	for i = 1, 3 do
+		nodenames[i] = "ferns:fern_"..string.format("%02d", i)
+	end
+else
+	create_nodes()
+end
+
+-----------------------------------------------------------------------------------------------
+-- Spawning
+-----------------------------------------------------------------------------------------------
+
+if abstract_ferns.config.lady_ferns_near_tree == true then
+	biome_lib:register_generate_plant({ -- near trees (woodlands)
+		surface = {
+			"default:dirt_with_grass",
+			"default:mossycobble",
+			"default:desert_sand",
+			"default:sand",
+			"default:jungletree",
+			"stoneage:grass_with_silex",
+			"sumpf:sumpf"
+		},
+		max_count = 30,
+		rarity = 62,--63,
+		min_elevation = 1, -- above sea level
+		near_nodes = {"group:tree"},
+		near_nodes_size = 3,--4,
+		near_nodes_vertical = 2,--3,
+		near_nodes_count = 1,
+		plantlife_limit = -0.9,
+		humidity_max = -1.0,
+		humidity_min = 0.4,
+		temp_max = -0.5, -- 55 °C (too hot?)
+		temp_min = 0.75, -- -12 °C
+		random_facedir = { 0, 179 },
+	},
+	nodenames
+	)
+end
+
+if abstract_ferns.config.lady_ferns_near_rock == true then
+	biome_lib:register_generate_plant({ -- near stone (mountains)
+		surface = {
+			"default:dirt_with_grass",
+			"default:mossycobble",
+			"group:falling_node",
+			--"default:jungletree",
+			"stoneage:grass_with_silex",
+			"sumpf:sumpf"
+		},
+		max_count = 35,
+		rarity = 40,
+		min_elevation = 1, -- above sea level
+		near_nodes = {"group:stone"},
+		near_nodes_size = 1,
+		near_nodes_count = 16,
+		plantlife_limit = -0.9,
+		humidity_max = -1.0,
+		humidity_min = 0.4,
+		temp_max = -0.5, -- 55 °C (too hot?)
+		temp_min = 0.75, -- -12 °C
+		random_facedir = { 0, 179 },
+	},
+	nodenames
+	)
+end
+
+if abstract_ferns.config.lady_ferns_near_ores == true then -- this one causes a huge fps drop
+	biome_lib:register_generate_plant({ -- near ores (potential mining sites)
+		surface = {
+			"default:dirt_with_grass",
+			"default:mossycobble",
+			"default:stone_with_coal",
+			"default:stone_with_iron",
+			"default:stone_with_tin", -- minetest >= 0.4.16
+			"moreores:mineral_tin",
+			"moreores:mineral_silver",
+			"sumpf:sumpf"
+		},
+		max_count = 1200,--1600, -- maybe too much? :D
+		rarity = 25,--15,
+		min_elevation = 1, -- above sea level
+		near_nodes = {
+			"default:stone_with_iron",
+			--"default:stone_with_copper",
+			--"default:stone_with_mese",
+			--"default:stone_with_gold",
+			--"default:stone_with_diamond",
+			"default:stone_with_tin", -- minetest >= 0.4.16
+			"moreores:mineral_tin",
+			"moreores:mineral_silver"
+			--"moreores:mineral_mithril"
+		},
+		near_nodes_size = 2,
+		near_nodes_vertical = 4,--5,--6,
+		near_nodes_count = 2,--3,
+		plantlife_limit = -0.9,
+		humidity_max = -1.0,
+		humidity_min = 0.4,
+		temp_max = -0.5, -- 55 °C (too hot?)
+		temp_min = 0.75, -- -12 °C
+		random_facedir = { 0, 179 },
+	},
+	nodenames
+	)
+end
+
+if abstract_ferns.config.lady_ferns_in_groups == true then -- this one is meant as a replacement of Ferns_near_Ores
+	biome_lib:register_generate_plant({
+		surface = {
+			"default:dirt_with_grass",
+			"default:mossycobble",
+			"default:stone_with_coal",
+			"default:stone_with_iron",
+			"default:stone_with_tin", -- minetest >= 0.4.16
+			"moreores:mineral_tin",
+			"moreores:mineral_silver",
+			"sumpf:sumpf"
+		},
+		max_count = 70,
+		rarity = 25,--15,
+		min_elevation = 1, -- above sea level
+		near_nodes = {
+			"default:stone"
+		},
+		near_nodes_size = 2,
+		near_nodes_vertical = 2,--6,
+		near_nodes_count = 3,
+		plantlife_limit = -0.9,
+		humidity_max = -1.0,
+		humidity_min = 0.4,
+		temp_max = -0.5, -- 55 °C (too hot?)
+		temp_min = 0.75, -- -12 °C
+		random_facedir = { 0, 179 },
+	},
+	nodenames
+	)
+end
diff --git a/ferns/gianttreefern.lua b/ferns/gianttreefern.lua
index c746194..60d3b82 100644
--- a/ferns/gianttreefern.lua
+++ b/ferns/gianttreefern.lua
@@ -2,8 +2,8 @@
 -- Ferns - Giant Tree Fern 0.1.1
 -----------------------------------------------------------------------------------------------
 -- by Mossmanikin
--- License (everything): 	WTFPL
--- Contains code from: 		biome_lib
+-- License (everything):	WTFPL
+-- Contains code from:		biome_lib
 -- Looked at code from:		4seasons, default
 -- Supports:				vines
 -----------------------------------------------------------------------------------------------
@@ -297,6 +297,7 @@ if abstract_ferns.config.enable_giant_treeferns_in_jungle == true then
 	biome_lib:register_generate_plant({
 		surface = {
 			"default:dirt_with_grass",
+			"default:dirt_with_rainforest_litter", -- minetest >= 0.4.16
 			"default:sand",
 			"default:desert_sand"--,
 			--"dryplants:grass_short"
@@ -330,7 +331,7 @@ if abstract_ferns.config.enable_giant_treeferns_in_oases == true then
 		neighbors = {"default:desert_sand"},
 		ncount = 1,
 		min_elevation = 1,
-		near_nodes = {"default:water_source"},
+		near_nodes = {"default:water_source", "default:river_water_source"},
 		near_nodes_size = 2,
 		near_nodes_vertical = 1,
 		near_nodes_count = 1,
diff --git a/ferns/horsetail.lua b/ferns/horsetail.lua
index 16d1c90..3d1e0fc 100644
--- a/ferns/horsetail.lua
+++ b/ferns/horsetail.lua
@@ -2,10 +2,10 @@
 -- Archae Plantae - Horsetail 0.0.5
 -----------------------------------------------------------------------------------------------
 -- by Mossmanikin
--- License (everything): 	WTFPL
--- Contains code from: 		biome_lib
+-- License (everything):	WTFPL
+-- Contains code from:		biome_lib
 -- Looked at code from:		default, flowers, trees
--- Dependencies: 			biome_lib
+-- Dependencies:			biome_lib
 -- Supports:				dryplants, stoneage, sumpf
 -----------------------------------------------------------------------------------------------
 
@@ -82,6 +82,7 @@ if abstract_ferns.config.enable_horsetails_spawning == true then
 		spawn_chance = 400,
 		spawn_surfaces = {
 			"default:dirt_with_grass",
+			"default:dirt_with_coniferous_litter", -- minetest >= 0.5
 			"default:desert_sand",
 			"default:sand",
 			"dryplants:grass_short",
@@ -91,7 +92,7 @@ if abstract_ferns.config.enable_horsetails_spawning == true then
 		},
 		seed_diff = 329,
 		min_elevation = 1, -- above sea level
-		near_nodes = {"default:water_source","default:gravel"},
+		near_nodes = {"default:water_source","default:river_water_source","default:gravel"},
 		near_nodes_size = 2,
 		near_nodes_vertical = 1,
 		near_nodes_count = 1,
@@ -107,6 +108,7 @@ if abstract_ferns.config.enable_horsetails_on_grass == true then
 	biome_lib:register_generate_plant({
 		surface = {
 			"default:dirt_with_grass",
+			"default:dirt_with_coniferous_litter", -- minetest >= 0.5
 			"sumpf:sumpf"
 		},
 		max_count = 35,
diff --git a/ferns/init.lua b/ferns/init.lua
index 6e7dcac..922d2c3 100644
--- a/ferns/init.lua
+++ b/ferns/init.lua
@@ -1,10 +1,10 @@
 -----------------------------------------------------------------------------------------------
 local title		= "Ferns" -- former "Archae Plantae"
-local version 	= "0.2.0"
+local version	= "0.2.1"
 local mname		= "ferns" -- former "archaeplantae"
 -----------------------------------------------------------------------------------------------
 -- (by Mossmanikin)
--- License (everything): 	WTFPL
+-- License (everything):	WTFPL
 -----------------------------------------------------------------------------------------------
 
 abstract_ferns = {}
diff --git a/ferns/settings.lua b/ferns/settings.lua
index 8254fcf..0fcdfbb 100644
--- a/ferns/settings.lua
+++ b/ferns/settings.lua
@@ -1,6 +1,6 @@
 -- In case you don't wanna have errors:
 
--- Only change what's behind a "=" (or "--"). 
+-- Only change what's behind a "=" (or "--").
 -- Don't use caps (behind a "=").
 
 -- If there's a "false" (behind a "=") you can change it to "true" (and the other way around).
@@ -31,12 +31,12 @@ abstract_ferns.config.lady_ferns_in_groups = false				-- this one is meant as a
 --
 --	Horsetails
 abstract_ferns.config.enable_horsetails_spawning	= false		-- horsetails will grow in already explored areas, over time, near water or gravel
-abstract_ferns.config.enable_horsetails_on_grass 	= true		-- on dirt with grass and swamp (sumpf mod)
-abstract_ferns.config.enable_horsetails_on_stones 	= true		-- on gravel, mossy cobble and silex (stoneage mod)
+abstract_ferns.config.enable_horsetails_on_grass	= true		-- on dirt with grass and swamp (sumpf mod)
+abstract_ferns.config.enable_horsetails_on_stones	= true		-- on gravel, mossy cobble and silex (stoneage mod)
 --
 -- Tree_Fern
 abstract_ferns.config.enable_treeferns_in_jungle	= true
-abstract_ferns.config.enable_treeferns_in_oases 	= true		-- for oases and tropical beaches
+abstract_ferns.config.enable_treeferns_in_oases		= true		-- for oases and tropical beaches
 --
 -- Giant_Tree_Fern
 abstract_ferns.config.enable_giant_treeferns_in_jungle	= true
diff --git a/ferns/treefern.lua b/ferns/treefern.lua
index db4bc37..144d584 100644
--- a/ferns/treefern.lua
+++ b/ferns/treefern.lua
@@ -2,8 +2,8 @@
 -- Ferns - Tree Fern 0.1.1
 -----------------------------------------------------------------------------------------------
 -- by Mossmanikin
--- License (everything): 	WTFPL
--- Contains code from: 		biome_lib
+-- License (everything):	WTFPL
+-- Contains code from:		biome_lib
 -- Looked at code from:		default	, trees
 -----------------------------------------------------------------------------------------------
 
@@ -31,20 +31,14 @@ abstract_ferns.grow_tree_fern = function(pos)
 	local i = 1
 	local brk = false
 	while (i < size) do
-		print(minetest.get_node({x = pos.x, y = pos.y + i, z = pos.z}).name)
 		if minetest.get_node({x = pos.x, y = pos.y + i, z = pos.z}).name ~= "air" then
 			brk = true
-			print("break!")
 			break
 		end
-		print("set trunk node at:")
-		print(dump({x = pos.x, y = pos.y + i, z = pos.z}))
 		minetest.set_node({x = pos.x, y = pos.y + i, z = pos.z}, { name = "ferns:fern_trunk" })
 		i = i + 1
 	end
 	if not brk then
-		print("set crown node at:")
-		print(dump({x = pos.x, y = pos.y + i, z = pos.z}))
 		minetest.set_node({x = pos.x, y = pos.y + i - 1, z = pos.z}, { name = crown })
 	end
 end
@@ -189,6 +183,7 @@ if abstract_ferns.config.enable_treeferns_in_jungle == true then
 	biome_lib:register_generate_plant({
 		surface = {
 			"default:dirt_with_grass",
+			"default:dirt_with_rainforest_litter", -- minetest >= 0.4.16
 			"default:sand",
 			"default:desert_sand",
 		},
@@ -225,7 +220,7 @@ if abstract_ferns.config.enable_treeferns_in_oases == true then
 		neighbors = {"default:desert_sand"},
 		ncount = 1,
 		min_elevation = 1,
-		near_nodes = {"default:water_source"},
+		near_nodes = {"default:water_source","default:river_water_source"},
 		near_nodes_size = 2,
 		near_nodes_vertical = 1,
 		near_nodes_count = 1,