Waterlily and seagrass are now waving on top of water source

* stuff

* Increase spawn chances

bushes/init.lua

@@ -273,6 +273,11 @@ local function grow_youngtree2(pos)
 	grow_youngtree_node2(pos,height)
 end
 
+-- NALC purposes
+abstract_bushes = {}
+abstract_bushes.grow_youngtree2 = grow_youngtree2
+--
+
 minetest.register_decoration({
 	name = "bushes:youngtree",
 	decoration = {
@@ -314,4 +319,6 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
 	for _, pos in ipairs(locations) do
 		grow_youngtree2(pos)
 	end
-end)
+end)
+
+minetest.log("action", "[bushes] loaded.")

bushes_classic/nodes.lua

@@ -4,6 +4,8 @@ local S = minetest.get_translator("bushes_classic")
 plantlife_bushes = {}
 
 -- TODO: add support for nodebreakers? those dig like mese picks
+local random = math.random
+
 plantlife_bushes.after_dig_node = function(pos, oldnode, oldmetadata, digger)
 	if not (digger and pos and oldnode) then
 		return
@@ -63,7 +65,7 @@ plantlife_bushes.after_dig_node = function(pos, oldnode, oldmetadata, digger)
 
 		-- with a chance of 1/3, return 2 bushes
 		local amount
-		if can_harvest and math.random(1,3) == 1 then
+		if can_harvest and random(1,3) == 1 then
 			amount = "2"
 		else
 			amount = "1"
@@ -75,7 +77,7 @@ plantlife_bushes.after_dig_node = function(pos, oldnode, oldmetadata, digger)
 	elseif groupcaps.choppy then
 
 		-- the amount of sticks may vary
-		local amount = math.random(4, 20)
+		local amount = random(4, 20)
 		-- return some sticks
 		harvested = "default:stick " .. amount
 
@@ -136,7 +138,7 @@ minetest.register_abm({
 			local dirt = minetest.get_node(dirtpos)
 			local is_soil = minetest.get_item_group(dirt.name, "soil") or minetest.get_item_group(dirt.name, "potting_soil")
 
-			if is_soil and (dirt.name == "farming:soil_wet" or math.random(1,3) == 1) then
+			if is_soil and (dirt.name == "farming:soil_wet" or random(1,3) == 1) then
 				minetest.swap_node( pos, {name = "bushes:" .. bush_name .. "_bush"})
 			end
 		end

cavestuff/nodes.lua

@@ -1,6 +1,8 @@
 -- support for i18n
 local S = minetest.get_translator("cavestuff")
 
+local random = math.random
+
 --Rocks
 
 local cbox = {
@@ -20,7 +22,7 @@ minetest.register_node("cavestuff:pebble_1",{
 	collision_box = cbox,
 	on_place = function(itemstack, placer, pointed_thing)
 		-- place a random pebble node
-		local stack = ItemStack("cavestuff:pebble_"..math.random(1,2))
+		local stack = ItemStack("cavestuff:pebble_"..random(1,2))
 		local ret = minetest.item_place(stack, placer, pointed_thing)
 		return ItemStack("cavestuff:pebble_1 "..itemstack:get_count()-(1-ret:get_count()))
 	end,
@@ -52,7 +54,7 @@ minetest.register_node("cavestuff:desert_pebble_1",{
 	collision_box = cbox,
 	 on_place = function(itemstack, placer, pointed_thing)
 		-- place a random pebble node
-		local stack = ItemStack("cavestuff:desert_pebble_"..math.random(1,2))
+		local stack = ItemStack("cavestuff:desert_pebble_"..random(1,2))
 		local ret = minetest.item_place(stack, placer, pointed_thing)
 		return ItemStack("cavestuff:desert_pebble_1 "..itemstack:get_count()-(1-ret:get_count()))
 	end,

dryplants/juncus.lua

@@ -153,4 +153,4 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
 	for _, pos in ipairs(locations) do
 		grow_juncus(pos)
 	end
-end)
+end)

ferns/crafting.lua

@@ -79,3 +79,31 @@ minetest.register_craft({
 	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"},
+})]]

ferns/fern.lua

@@ -4,6 +4,7 @@
 -- by Mossmanikin
 -- Contains code from:		biome_lib
 -- Looked at code from:		default, flowers, painting, trees
+-- Dependencies:			biome_lib
 -- Supports:				dryplants, stoneage, sumpf
 -----------------------------------------------------------------------------------------------
 -- some inspiration from here
@@ -11,10 +12,19 @@
 -- http://www.mygarden.net.au/gardening/athyrium-yokoscense/3900/1
 -----------------------------------------------------------------------------------------------
 
-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")
+assert(abstract_ferns.config.enable_lady_fern == true)
 
+-- support for i18n
+local S = minetest.get_translator("ferns")
+
+-- 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")
@@ -23,87 +33,183 @@ 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
 -----------------------------------------------------------------------------------------------
 
-for i = 1, 3 do
-	nodenames[i] = "ferns:fern_"..string.format("%02d", i)
+if default_ferns then
+	for i = 1, 3 do
+		nodenames[i] = "ferns:fern_"..string.format("%02d", i)
+	end
+else
+	create_nodes()
 end
 
 -----------------------------------------------------------------------------------------------
 -- Spawning
 -----------------------------------------------------------------------------------------------
 
-minetest.register_decoration({ -- near trees (woodlands)
-	decoration = nodenames,
-	deco_type = "simple",
-	flags = "all_floors",
-	place_on = {
-		"default:dirt_with_grass",
-		"default:mossycobble",
-		"default:desert_sand",
-		"default:sand",
-		"default:jungletree",
-		"stoneage:grass_with_silex",
-		"sumpf:sumpf"
+if abstract_ferns.config.lady_ferns_near_tree == true then
+	biome_lib.register_on_generate({ -- 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 },
 	},
-	y_min = 1, -- above sea level
-	param2 = 0,
-	param2_max = 179,
-	spawn_by = "group:tree",
-	num_spawn_by = 1,
-	fill_ratio = 0.1,
-})
+	nodenames
+	)
+end
 
-minetest.register_decoration({ -- near stone (mountains)
-	decoration = nodenames,
-	deco_type = "simple",
-	flags = "all_floors",
-	place_on = {
-		"default:dirt_with_grass",
-		"default:mossycobble",
-		"group:falling_node",
-		--"default:jungletree",
-		"stoneage:grass_with_silex",
-		"sumpf:sumpf"
+if abstract_ferns.config.lady_ferns_near_rock == true then
+	biome_lib.register_on_generate({ -- 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 },
 	},
-	y_min = 1, -- above sea level
-	param2 = 0,
-	param2_max = 179,
-	spawn_by = "group:stone",
-	num_spawn_by = 1,
-	fill_ratio = 0.3,
-})
+	nodenames
+	)
+end
 
-minetest.register_decoration({ -- near stone (mountains)
-	decoration = nodenames,
-	deco_type = "simple",
-	flags = "all_floors",
-	place_on = {
-		"default:dirt_with_grass",
-		"default:mossycobble",
-		"default:stone_with_coal",
-		"default:stone_with_iron",
-		"default:stone_with_tin",
-		"moreores:mineral_tin",
-		"moreores:mineral_silver",
-		"sumpf:sumpf"
+if abstract_ferns.config.lady_ferns_near_ores == true then -- this one causes a huge fps drop
+	biome_lib.register_on_generate({ -- 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 },
 	},
-	y_min = 1, -- above sea level
-	param2 = 0,
-	param2_max = 179,
-	spawn_by = {
-		"default:stone_with_iron",
-		--"default:stone_with_copper",
-		--"default:stone_with_mese",
-		--"default:stone_with_gold",
-		--"default:stone_with_diamond",
-		"default:stone_with_tin",
-		"moreores:mineral_tin",
-		"moreores:mineral_silver"
-		--"moreores:mineral_mithril"
+	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_on_generate({
+		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 },
 	},
-	num_spawn_by = 1,
-	fill_ratio = 0.8,
-})
+	nodenames
+	)
+end

ferns/gianttreefern.lua

@@ -7,6 +7,8 @@
 -- Supports:				vines
 -----------------------------------------------------------------------------------------------
 
+assert(abstract_ferns.config.enable_giant_treefern == true)
+
 -- support for i18n
 local S = minetest.get_translator("ferns")
 -- lot of code, lot to load
@@ -285,13 +287,16 @@ minetest.register_node("ferns:fern_trunk_big", {
 	groups = {tree=1,choppy=2,oddly_breakable_by_hand=2,flammable=3,wood=1},
 	is_ground_content = false,
 	sounds = default.node_sound_wood_defaults(),
-	after_destruct = function(pos,oldnode)
-        local node = minetest.get_node({x=pos.x,y=pos.y+1,z=pos.z})
-        if node.name == "ferns:fern_trunk_big" or node.name == "ferns:fern_trunk_big_top" then
-            minetest.dig_node({x=pos.x,y=pos.y+1,z=pos.z})
-            minetest.add_item(pos,"ferns:fern_trunk_big")
-        end
-    end,
+	after_dig_node = function(pos, node, metadata, digger)
+		if digger == nil then return end
+		local np = {x=pos.x,y=pos.y+1,z=pos.z}
+		local nn = minetest.get_node(np)
+		if nn.name == "ferns:fern_trunk_big" or
+			nn.name == "ferns:fern_trunk_big_top"
+		then
+			minetest.node_dig(np, nn, digger)
+		end
+	end,
 })
 
 -----------------------------------------------------------------------------------------------
@@ -329,50 +334,54 @@ minetest.register_abm({
 -----------------------------------------------------------------------------------------------
 
 -- in jungles
-biome_lib.register_on_generate({
-	surface = {
-		"default:dirt_with_grass",
-		"default:dirt_with_rainforest_litter", -- minetest >= 0.4.16
-		"default:sand",
-		"default:desert_sand"--,
-		--"dryplants:grass_short"
+if abstract_ferns.config.enable_giant_treeferns_in_jungle == true then
+	biome_lib.register_on_generate({
+		surface = {
+			"default:dirt_with_grass",
+			"default:dirt_with_rainforest_litter", -- minetest >= 0.4.16
+			"default:sand",
+			"default:desert_sand"--,
+			--"dryplants:grass_short"
+		},
+		max_count = 12,--27,
+		avoid_nodes = {"group:tree"},
+		avoid_radius = 3,--4,
+		rarity = 85,
+		seed_diff = 329,
+		min_elevation = 1,
+		near_nodes = {"default:jungletree"},
+		near_nodes_size = 6,
+		near_nodes_vertical = 2,--4,
+		near_nodes_count = 1,
+		plantlife_limit = -0.9,
 	},
-	max_count = 12,--27,
-	avoid_nodes = {"group:tree"},
-	avoid_radius = 3,--4,
-	rarity = 85,
-	seed_diff = 329,
-	min_elevation = 1,
-	near_nodes = {"default:jungletree"},
-	near_nodes_size = 6,
-	near_nodes_vertical = 2,--4,
-	near_nodes_count = 1,
-	plantlife_limit = -0.9,
-},
-abstract_ferns.grow_giant_tree_fern
-)
+	abstract_ferns.grow_giant_tree_fern
+	)
+end
 
 -- for oases & tropical beaches
-biome_lib.register_on_generate({
-	surface = {
-		"default:sand"--,
-		--"default:desert_sand"
+if abstract_ferns.config.enable_giant_treeferns_in_oases == true then
+	biome_lib.register_on_generate({
+		surface = {
+			"default:sand"--,
+			--"default:desert_sand"
+		},
+		max_count = 10,--27,
+		rarity = 90,
+		seed_diff = 329,
+		neighbors = {"default:desert_sand"},
+		ncount = 1,
+		min_elevation = 1,
+		near_nodes = {"default:water_source", "default:river_water_source"},
+		near_nodes_size = 2,
+		near_nodes_vertical = 1,
+		near_nodes_count = 1,
+		plantlife_limit = -0.9,
+		humidity_max = -1.0,
+		humidity_min = 1.0,
+		temp_max = -1.0,
+		temp_min = 1.0,
 	},
-	max_count = 10,--27,
-	rarity = 90,
-	seed_diff = 329,
-	neighbors = {"default:desert_sand"},
-	ncount = 1,
-	min_elevation = 1,
-	near_nodes = {"default:water_source", "default:river_water_source"},
-	near_nodes_size = 2,
-	near_nodes_vertical = 1,
-	near_nodes_count = 1,
-	plantlife_limit = -0.9,
-	humidity_max = -1.0,
-	humidity_min = 1.0,
-	temp_max = -1.0,
-	temp_min = 1.0,
-},
-abstract_ferns.grow_giant_tree_fern
-)
+	abstract_ferns.grow_giant_tree_fern
+	)
+end

ferns/horsetail.lua

@@ -8,6 +8,8 @@
 -- Supports:				dryplants, stoneage, sumpf
 -----------------------------------------------------------------------------------------------
 
+assert(abstract_ferns.config.enable_horsetails == true)
+
 -- support for i18n
 local S = minetest.get_translator("ferns")
 -----------------------------------------------------------------------------------------------
@@ -69,45 +71,101 @@ end
 
 create_nodes()
 
+-----------------------------------------------------------------------------------------------
+-- Spawning
+-----------------------------------------------------------------------------------------------
+if abstract_ferns.config.enable_horsetails_spawning == true then
+	minetest.register_abm({
+		nodenames = {
+			"default:dirt_with_grass",
+			"default:dirt_with_coniferous_litter",
+			"default:desert_sand",
+			"default:sand",
+			"dryplants:grass_short",
+			"stoneage:grass_with_silex",
+			"default:mossycobble",
+			"default:gravel"
+		},
+		interval = 1200,
+		chance = 400,
+		label = "[ferns] spawn horsetails",
+		min_y = 1,
+		max_y = 48,
+		action = function(pos, node)
+			local p_top = {x = pos.x, y = pos.y + 1, z = pos.z}
+			local n_top = minetest.get_node_or_nil(p_top)
+			if not n_top or n_top.name ~= "air" then return end
+
+			local NEAR_DST = 2
+			if #minetest.find_nodes_in_area(
+					{x=pos.x-NEAR_DST, y=pos.y-1, z=pos.z-NEAR_DST},
+					{x=pos.x+NEAR_DST, y=pos.y+1, z=pos.z+NEAR_DST},
+					{"default:water_source","default:river_water_source","default:gravel"}
+				) < 1 then return
+			end
+
+			local plant_to_spawn = node_names[math.random(1, #node_names)]
+
+			minetest.swap_node(p_top, {name = plant_to_spawn, param2 = 0})
+		end
+	})
+end
+
 -----------------------------------------------------------------------------------------------
 -- Generating
 -----------------------------------------------------------------------------------------------
 
-minetest.register_decoration({ -- near trees (woodlands)
-	decoration = node_names,
-	deco_type = "simple",
-	flags = "all_floors",
-	place_on = {
-		"default:dirt_with_grass",
-		"default:dirt_with_coniferous_litter",
-		"sumpf:sumpf"
+if abstract_ferns.config.enable_horsetails_on_grass == true then
+	biome_lib.register_on_generate({
+		surface = {
+			"default:dirt_with_grass",
+			"default:dirt_with_coniferous_litter", -- minetest >= 0.5
+			"sumpf:sumpf"
+		},
+		max_count = 35,
+		rarity = 40,
+		min_elevation = 1, -- above sea level
+		near_nodes = {
+			"group:water", -- likes water (of course)
+			"default:gravel", -- near those on gravel
+			"default:sand", -- some like sand
+			"default:clay", -- some like clay
+			"stoneage:grass_with_silex",
+			"default:mossycobble",
+			"default:cobble",
+			"sumpf:sumpf"
+		},
+		near_nodes_size = 3,
+		near_nodes_vertical = 2,--3,
+		near_nodes_count = 1,
+		plantlife_limit = -0.9,
+		humidity_min = 0.4,
+		temp_max = -0.5, -- 55 °C
+		temp_min = 0.53, -- 0 °C, dies back in winter
+		--random_facedir = { 0, 179 },
 	},
-	y_min = 1, -- above sea level
-	spawn_by = {
-		"group:water", -- likes water (of course)
-		"default:gravel", -- near those on gravel
-		"default:sand", -- some like sand
-		"default:clay", -- some like clay
-		"stoneage:grass_with_silex",
-		"default:mossycobble",
-		"default:cobble",
-		"sumpf:sumpf"
-	},
-	num_spawn_by = 1,
-	fill_ratio = 0.1,
-})
+	node_names
+	)
+end
 
-minetest.register_decoration({ -- near trees (woodlands)
-	decoration = node_names,
-	deco_type = "simple",
-	flags = "all_floors",
-	place_on = {
-		"default:gravel", -- roots go deep
-		"default:mossycobble",
-		"stoneage:dirt_with_silex",
-		"stoneage:grass_with_silex",
-		"stoneage:sand_with_silex", -- roots go deep
+if abstract_ferns.config.enable_horsetails_on_stones == true then
+	biome_lib.register_on_generate({
+		surface = {
+			"default:gravel", -- roots go deep
+			"default:mossycobble",
+			"stoneage:dirt_with_silex",
+			"stoneage:grass_with_silex",
+			"stoneage:sand_with_silex", -- roots go deep
+		},
+		max_count = 35,
+		rarity = 20,
+		min_elevation = 1, -- above sea level
+		plantlife_limit = -0.9,
+		humidity_min = 0.4,
+		temp_max = -0.5, -- 55 °C
+		temp_min = 0.53, -- 0 °C, dies back in winter
+		--random_facedir = { 0, 179 },
 	},
-	y_min = 1, -- above sea level
-	fill_ratio = 0.1,
-})
+	node_names
+	)
+end

ferns/init.lua

@@ -1,7 +1,21 @@
 abstract_ferns = {}
 
-dofile(minetest.get_modpath("ferns").."/fern.lua")
-dofile(minetest.get_modpath("ferns").."/horsetail.lua")
-dofile(minetest.get_modpath("ferns").."/treefern.lua")
-dofile(minetest.get_modpath("ferns").."/gianttreefern.lua")
+dofile(minetest.get_modpath("ferns").."/settings.lua")
+
+if abstract_ferns.config.enable_lady_fern == true then
+	dofile(minetest.get_modpath("ferns").."/fern.lua")
+end
+
+if abstract_ferns.config.enable_horsetails == true then
+	dofile(minetest.get_modpath("ferns").."/horsetail.lua")
+end
+
+if abstract_ferns.config.enable_treefern == true then
+	dofile(minetest.get_modpath("ferns").."/treefern.lua")
+end
+
+if abstract_ferns.config.enable_giant_treefern == true then
+	dofile(minetest.get_modpath("ferns").."/gianttreefern.lua")
+end
+
 dofile(minetest.get_modpath("ferns").."/crafting.lua")

ferns/mod.conf

@@ -1,2 +1,2 @@
 name = ferns
-depends = default
+depends = default, biome_lib

ferns/settings.lua

@@ -0,0 +1,43 @@
+-- In case you don't wanna have errors:
+
+-- 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).
+-- Spelling is important.
+-- If "true" or "false" is necessary as setting, everything(!) which is not spelled "true" will be read as if it were "false" (even "1", "True"...)
+
+-- If you wanna comment something (for example to remember the default value), you can do this by putting "--" in front of the comment.
+-- You can put "--" at the end of a line with "=" in it, or at the beginning of an empty/new line (minetest will ignore what's behind it then).
+-- But don't put "--" in front of a line with "=" in it (or else minetest will ignore the setting and you might get an error).
+
+-- If something is still unclear, don't hesitate to post your question @ https://forum.minetest.net/viewtopic.php?id=6921
+
+abstract_ferns.config = {}
+
+-- Which plants should generate/spawn?
+abstract_ferns.config.enable_lady_fern			= true
+abstract_ferns.config.enable_horsetails			= true
+abstract_ferns.config.enable_treefern			= true
+abstract_ferns.config.enable_giant_treefern		= true
+
+-- Where should they generate/spawn? (if they generate/spawn)
+--
+--  Lady-Fern
+abstract_ferns.config.lady_ferns_near_tree = true
+abstract_ferns.config.lady_ferns_near_rock = true
+abstract_ferns.config.lady_ferns_near_ores = true				-- if there's a bunch of ferns there's ores nearby, this one causes a huge fps drop
+abstract_ferns.config.lady_ferns_in_groups = false				-- this one is meant as a replacement of Ferns_near_Ores: ferns tend to generate in groups, less fps drop, no hint for nearby ores
+--
+--	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)
+--
+-- Tree_Fern
+abstract_ferns.config.enable_treeferns_in_jungle	= true
+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
+abstract_ferns.config.enable_giant_treeferns_in_oases	= true	-- for oases and tropical beaches

ferns/treefern.lua

@@ -9,6 +9,10 @@
 -- support for i18n
 local S = minetest.get_translator("ferns")
 
+assert(abstract_ferns.config.enable_treefern == true)
+
+local random = math.random
+
 function abstract_ferns.can_grow_tree_fern(pos)
 	local node_name = minetest.get_node(pos).name
 	if node_name ~= "air" and node_name ~= "ferns:sapling_tree_fern" and node_name ~= "default:junglegrass" then
@@ -37,12 +41,12 @@ abstract_ferns.grow_tree_fern = function(pos)
 		return
 	end
 
-	local size = math.random(1, 4) + math.random(1, 4)
+	local size = random(1, 4) + random(1, 4)
 	if (size > 5) then
 		size = 10 - size
 	end
 	size = size + 1
-	local crown = ({ "ferns:tree_fern_leaves", "ferns:tree_fern_leaves_02" })[math.random(1, 2)]
+	local crown = ({ "ferns:tree_fern_leaves", "ferns:tree_fern_leaves_02" })[random(1, 2)]
 
 	local i = 1
 	local brk = false
@@ -159,13 +163,9 @@ minetest.register_node("ferns:fern_trunk", {
 	groups = {tree=1,choppy=2,oddly_breakable_by_hand=2,flammable=3,wood=1},
 	is_ground_content = false,
 	sounds = default.node_sound_wood_defaults(),
-	after_destruct = function(pos,oldnode)
-        local node = minetest.get_node({x=pos.x,y=pos.y+1,z=pos.z})
-        if node.name == "ferns:fern_trunk" then
-            minetest.dig_node({x=pos.x,y=pos.y+1,z=pos.z})
-            minetest.add_item(pos,"ferns:fern_trunk")
-        end
-    end,
+	after_dig_node = function(pos, node, metadata, digger)
+		default.dig_up(pos, node, digger)
+	end,
 })
 
 -----------------------------------------------------------------------------------------------
@@ -203,53 +203,57 @@ minetest.register_abm({
 -----------------------------------------------------------------------------------------------
 
 -- in jungles
-biome_lib.register_on_generate({
-	surface = {
-		"default:dirt_with_grass",
-		"default:dirt_with_rainforest_litter", -- minetest >= 0.4.16
-		"default:sand",
-		"default:desert_sand",
+if abstract_ferns.config.enable_treeferns_in_jungle == true then
+	biome_lib.register_on_generate({
+		surface = {
+			"default:dirt_with_grass",
+			"default:dirt_with_rainforest_litter", -- minetest >= 0.4.16
+			"default:sand",
+			"default:desert_sand",
+		},
+		max_count = 35,--27,
+		avoid_nodes = {"default:tree"},
+		avoid_radius = 4,
+		rarity = 50,
+		seed_diff = 329,
+		min_elevation = -10,
+		near_nodes = {"default:jungletree"},
+		near_nodes_size = 6,
+		near_nodes_vertical = 2,--4,
+		near_nodes_count = 1,
+		plantlife_limit = -0.9,
+		humidity_max = -1.0,
+		humidity_min = 0.4,
+		temp_max = -0.5,
+		temp_min = 0.13,
 	},
-	max_count = 35,--27,
-	avoid_nodes = {"default:tree"},
-	avoid_radius = 4,
-	rarity = 50,
-	seed_diff = 329,
-	min_elevation = -10,
-	near_nodes = {"default:jungletree"},
-	near_nodes_size = 6,
-	near_nodes_vertical = 2,--4,
-	near_nodes_count = 1,
-	plantlife_limit = -0.9,
-	humidity_max = -1.0,
-	humidity_min = 0.4,
-	temp_max = -0.5,
-	temp_min = 0.13,
-},
-abstract_ferns.grow_tree_fern
-)
+	abstract_ferns.grow_tree_fern
+	)
+end
 
 -- for oases & tropical beaches
-biome_lib.register_on_generate({
-	surface = {
-		"default:sand"--,
-		--"default:desert_sand"
+if abstract_ferns.config.enable_treeferns_in_oases == true then
+	biome_lib.register_on_generate({
+		surface = {
+			"default:sand"--,
+			--"default:desert_sand"
+		},
+		max_count = 35,
+		rarity = 50,
+		seed_diff = 329,
+		neighbors = {"default:desert_sand"},
+		ncount = 1,
+		min_elevation = 1,
+		near_nodes = {"default:water_source","default:river_water_source"},
+		near_nodes_size = 2,
+		near_nodes_vertical = 1,
+		near_nodes_count = 1,
+		plantlife_limit = -0.9,
+		humidity_max = -1.0,
+		humidity_min = 1.0,
+		temp_max = -1.0,
+		temp_min = 1.0,
 	},
-	max_count = 35,
-	rarity = 50,
-	seed_diff = 329,
-	neighbors = {"default:desert_sand"},
-	ncount = 1,
-	min_elevation = 1,
-	near_nodes = {"default:water_source","default:river_water_source"},
-	near_nodes_size = 2,
-	near_nodes_vertical = 1,
-	near_nodes_count = 1,
-	plantlife_limit = -0.9,
-	humidity_max = -1.0,
-	humidity_min = 1.0,
-	temp_max = -1.0,
-	temp_min = 1.0,
-},
-abstract_ferns.grow_tree_fern
+	abstract_ferns.grow_tree_fern
 )
+end

nature_classic/blossom.lua

@@ -2,6 +2,8 @@
 local S = minetest.get_translator("nature_classic")
 -- Blossoms and such
 
+local random = math.random
+
 local function spawn_apple_under(pos)
     local below = {
 		x = pos.x,
@@ -47,7 +49,7 @@ minetest.register_abm({
     chance = nature.leaves_blossom_chance,
 
     action = function(pos, node, active_object_count, active_object_count_wider)
-			if math.random(nature.leaves_blossom_chance) == 1 then
+			if random(nature.leaves_blossom_chance) == 1 then
 				nature.enqueue_node(pos, node, nature.blossom_node)
 			end
     end
@@ -62,7 +64,7 @@ minetest.register_abm({
     chance = nature.blossom_leaves_chance,
 
     action = function(pos, node, active_object_count, active_object_count_wider)
-			if math.random(nature.blossom_leaves_chance) == 1 then
+			if random(nature.blossom_leaves_chance) == 1 then
 				nature.enqueue_node(pos, node, nature.blossom_leaves)
 			end
     end
@@ -77,7 +79,7 @@ minetest.register_abm({
     chance = nature.apple_chance,
 
     action = function(pos, node, active_object_count, active_object_count_wider)
-		if math.random(4) == 1 and nature.dtime < 0.2 and not minetest.find_node_near(pos, nature.apple_spread, { "default:apple" }) then
+		if random(4) == 1 and nature.dtime < 0.2 and not minetest.find_node_near(pos, nature.apple_spread, { "default:apple" }) then
 			spawn_apple_under(pos)
 		end
     end

nature_classic/init.lua

@@ -40,3 +40,5 @@ nature.blossom_duration = nature.blossom_delay
 dofile(minetest.get_modpath(current_mod_name) .. "/config.lua")
 dofile(minetest.get_modpath(current_mod_name) .. "/global_function.lua")
 dofile(minetest.get_modpath(current_mod_name) .. "/blossom.lua")
+
+minetest.log("action", "[Nature Classic] loaded!")

pl_seaweed/init.lua

@@ -1,5 +1,6 @@
 -- support for i18n
 local S = minetest.get_translator("pl_seaweed")
+local random = math.random
 
 local seaweed_rarity = minetest.settings:get("pl_seaweed.seaweed_rarity") or 0.06
 
@@ -8,7 +9,15 @@ local function get_ndef(name)
 end
 
 local algae_list = { {nil}, {2}, {3}, {4} }
+local seaweednames_list = {}
 
+for i in ipairs(algae_list) do
+	local num = ""
+	if algae_list[i][1] ~= nil then
+		num = "_"..algae_list[i][1]
+	end
+	table.insert(seaweednames_list, "flowers:seaweed"..num)
+end
 for i in ipairs(algae_list) do
 	local num = ""
 	local algae_groups = {snappy = 3,flammable=2,flower=1}
@@ -18,7 +27,7 @@ for i in ipairs(algae_list) do
 		algae_groups = { snappy = 3,flammable=2,flower=1, not_in_creative_inventory=1 }
 	end
 
-	minetest.register_node(":flowers:seaweed"..num, {
+	local seaweed_def = {
 		description = S("Seaweed"),
 		drawtype = "nodebox",
 		tiles = {
@@ -45,7 +54,6 @@ for i in ipairs(algae_list) do
 		buildable_to = true,
 
 		liquids_pointable = true,
-		drop = "flowers:seaweed",
 		on_place = function(itemstack, placer, pointed_thing)
 			if not itemstack or not placer or not pointed_thing then
 				return
@@ -57,6 +65,7 @@ for i in ipairs(algae_list) do
 			local place_pos = nil
 			local top_pos = {x=pt.under.x, y=pt.under.y+1, z=pt.under.z}
 			local under_node = minetest.get_node(pt.under)
+			local def = minetest.registered_nodes[under_node.name]
 			local above_node = minetest.get_node(pt.above)
 			local top_node	 = minetest.get_node(top_pos)
 			if get_ndef(under_node.name)["buildable_to"] then
@@ -78,8 +87,7 @@ for i in ipairs(algae_list) do
 			local nodename = "default:cobble" -- :D
 
 				if not keys["sneak"] then
-					--local node = minetest.get_node(pt.under)
-					local seaweed = math.random(1,4)
+					local seaweed = random(1,4)
 					if seaweed == 1 then
 						nodename = "flowers:seaweed"
 					elseif seaweed == 2 then
@@ -89,10 +97,18 @@ for i in ipairs(algae_list) do
 					elseif seaweed == 4 then
 						nodename = "flowers:seaweed_4"
 					end
-					minetest.swap_node(place_pos, {name = nodename, param2 = math.random(0,3) })
+					minetest.swap_node(
+						place_pos, {
+							name = nodename..(def.waving == 3 and "_waving" or ""),
+							param2 = random(0,3)
+					})
 				else
 					local fdir = minetest.dir_to_facedir(placer:get_look_dir())
-					minetest.swap_node(place_pos, {name = "flowers:seaweed", param2 = fdir})
+					minetest.swap_node(
+						place_pos, {
+							name = "flowers:seaweed"..(def.waving == 3 and "_waving" or ""),
+							param2 = fdir
+					})
 				end
 
 				if not minetest.is_creative_enabled(pname) then
@@ -100,12 +116,20 @@ for i in ipairs(algae_list) do
 				end
 				return itemstack
 			end
-		end,
-	})
+		end
+	}
+
+	local seaweed_waving_def = table.copy(seaweed_def)
+	seaweed_waving_def.waving = 3
+	seaweed_waving_def.drop = "flowers:seaweed"
+	seaweed_waving_def.groups.not_in_creative_inventory = 1
+
+	minetest.register_node(":flowers:seaweed"..num, seaweed_def)
+	minetest.register_node(":flowers:seaweed"..num.."_waving", seaweed_waving_def)
 
 	minetest.register_decoration({
 		name = "flowers:seaweed"..num,
-		decoration = {"flowers:seaweed"..num},
+		decoration = {"flowers:seaweed"..num.."_waving"},
 		place_on = {"default:water_source"},
 		deco_type = "simple",
 		flags = "liquid_surface",
@@ -132,6 +156,26 @@ for i in ipairs(algae_list) do
 	})
 end
 
+-- LBM to replace old seaweed definition to add waving
+core.register_lbm({
+		label = "Seaweed waving version",
+		name = "pl_seaweed:seaweed_waving_version",
+		nodenames = seaweednames_list,
+		run_at_every_load = false,
+		action = function(pos, node)
+			local node_under = core.get_node({x=pos.x, y=pos.y-1, z=pos.z})
+			local def_node_under = core.registered_nodes[node_under.name]
+			local is_node_under_waving = def_node_under.waving and def_node_under.waving == 3
+
+			local def_node = core.registered_nodes[node.name]
+			local is_node_waving = def_node.waving and def_node.waving == 3
+
+			if not is_node_waving and is_node_under_waving then
+				core.swap_node(pos, {name = node.name.."_waving"})
+			end
+		end,
+})
+
 minetest.register_alias("flowers:flower_seaweed", "flowers:seaweed")
 minetest.register_alias("along_shore:pondscum_1", "flowers:seaweed")
 minetest.register_alias("along_shore:seaweed_1", "flowers:seaweed")

pl_waterlilies/init.lua

@@ -1,5 +1,6 @@
 -- support for i18n
 local S = minetest.get_translator("pl_waterlilies")
+local random = math.random
 
 local fill_ratio = minetest.settings:get("pl_waterlilies.waterlily_rarity") or 0.03
 
@@ -38,7 +39,7 @@ for i in ipairs(lilies_list) do
 		lily_groups = { snappy = 3,flammable=2,flower=1, not_in_creative_inventory=1 }
 	end
 
-	minetest.register_node(":flowers:waterlily"..deg1, {
+	local waterlily_def = {
 		description = S("Waterlily"),
 		drawtype = "nodebox",
 		tiles = {
@@ -66,7 +67,6 @@ for i in ipairs(lilies_list) do
 		node_placement_prediction = "",
 
 		liquids_pointable = true,
-		drop = "flowers:waterlily",
 		on_place = function(itemstack, placer, pointed_thing)
 			if not itemstack or not placer or not pointed_thing then
 				return
@@ -78,6 +78,7 @@ for i in ipairs(lilies_list) do
 			local place_pos = nil
 			local top_pos = {x=pt.under.x, y=pt.under.y+1, z=pt.under.z}
 			local under_node = minetest.get_node(pt.under)
+			local def = minetest.registered_nodes[under_node.name]
 			local above_node = minetest.get_node(pt.above)
 			local top_node	 = minetest.get_node(top_pos)
 
@@ -96,10 +97,10 @@ for i in ipairs(lilies_list) do
 			local pname = placer:get_player_name()
 			if place_pos and not minetest.is_protected(place_pos, pname) then
 
-			local nodename = "default:cobble" -- if this block appears, something went....wrong :-)
+				local nodename = "default:cobble" -- if this block appears, something went....wrong :-)
 
 				if not keys["sneak"] then
-					local waterlily = math.random(1,8)
+					local waterlily = random(1,8)
 					if waterlily == 1 then
 						nodename = "flowers:waterlily"
 					elseif waterlily == 2 then
@@ -117,10 +118,18 @@ for i in ipairs(lilies_list) do
 					elseif waterlily == 8 then
 						nodename = "flowers:waterlily_s4"
 					end
-					minetest.swap_node(place_pos, {name = nodename, param2 = math.random(0,3) })
+					minetest.swap_node(
+						place_pos, {
+							name = nodename..(def.waving == 3 and "_waving" or ""),
+							param2 = random(0,3)
+					})
 				else
 					local fdir = minetest.dir_to_facedir(placer:get_look_dir())
-					minetest.swap_node(place_pos, {name = "flowers:waterlily", param2 = fdir})
+					minetest.swap_node(
+						place_pos, {
+							name = "flowers:waterlily"..(def.waving == 3 and "_waving" or ""),
+							param2 = fdir
+					})
 				end
 
 				if not minetest.is_creative_enabled(pname) then
@@ -128,12 +137,20 @@ for i in ipairs(lilies_list) do
 				end
 				return itemstack
 			end
-		end,
-	})
+		end
+	}
+
+	local waterlily_waving_def = table.copy(waterlily_def)
+	waterlily_waving_def.waving = 3
+	waterlily_waving_def.drop = "flowers:waterlily"
+	waterlily_waving_def.groups.not_in_creative_inventory = 1
+
+	minetest.register_node(":flowers:waterlily"..deg1, waterlily_def)
+	minetest.register_node(":flowers:waterlily"..deg1.."_waving", waterlily_waving_def)
 
 	minetest.register_decoration({
 		name = "flowers:waterlily"..deg1,
-		decoration = {"flowers:waterlily"..deg1},
+		decoration = {"flowers:waterlily"..deg1.."_waving"},
 		place_on = {"default:water_source"},
 		deco_type = "simple",
 		flags = "liquid_surface",
@@ -147,7 +164,7 @@ for i in ipairs(lilies_list) do
 
 	minetest.register_decoration({
 		name = "flowers:waterlily"..deg1 .."_relative",
-		decoration = {"flowers:waterlily"..deg1},
+		decoration = {"flowers:waterlily"..deg1.."_waving"},
 		place_on = {"default:water_source"},
 		deco_type = "simple",
 		flags = "liquid_surface",
@@ -161,7 +178,7 @@ for i in ipairs(lilies_list) do
 
 	minetest.register_decoration({
 		name = "flowers:waterlily"..deg1 .."_relative",
-		decoration = {"flowers:waterlily"..deg1},
+		decoration = {"flowers:waterlily"..deg1.."_waving"},
 		place_on = {"default:water_source"},
 		deco_type = "simple",
 		flags = "liquid_surface",
@@ -174,6 +191,26 @@ for i in ipairs(lilies_list) do
 	})
 end
 
+-- LBM to replace old waterlily definition to add waving
+core.register_lbm({
+		label = "Waterlily waving version",
+		name = "pl_waterlilies:waterlily_waving_version",
+		nodenames = lilynames_list,
+		run_at_every_load = false,
+		action = function(pos, node, s_dtime)
+			local node_under = core.get_node({x=pos.x, y=pos.y-1, z=pos.z})
+			local def_node_under = core.registered_nodes[node_under.name]
+			local is_node_under_waving = def_node_under.waving and def_node_under.waving == 3
+
+			local def_node = core.registered_nodes[node.name]
+			local is_node_waving = def_node.waving and def_node.waving == 3
+
+			if not is_node_waving and is_node_under_waving then
+				core.swap_node(pos, {name = node.name.."_waving"})
+			end
+		end,
+})
+
 minetest.register_alias( "flowers:flower_waterlily", "flowers:waterlily")
 minetest.register_alias( "flowers:flower_waterlily_225", "flowers:waterlily_225")
 minetest.register_alias( "flowers:flower_waterlily_45", "flowers:waterlily_45")

trunks/generating.lua

@@ -43,6 +43,89 @@ abstract_trunks.place_twig = function(pos)
 			if check_node_buildable_to(east) then
 				minetest.swap_node(east,		  {name="trunks:twig_8"})
 			end
+		elseif twig_size == 20 then
+			n1 = minetest.get_node({x=pos.x-1,y=pos.y,z=pos.z+1})
+			n2 = minetest.get_node({x=pos.x,y=pos.y,z=pos.z+1})
+			r1 = n1 and minetest.registered_nodes[n1.name]
+			r2 = n2 and minetest.registered_nodes[n2.name]
+			if not (r1 and r1.buildable_to or r2 and r2.buildable_to) then
+				if minetest.registered_nodes[node_here.name].buildable_to then
+					minetest.swap_node(right_here, {name="trunks:twig_5", param2=3})
+				end
+				if minetest.registered_nodes[node_n_w.name].buildable_to then
+					minetest.swap_node(north_west, {name="trunks:twig_7", param2=3})
+				end
+				if minetest.registered_nodes[node_north.name].buildable_to then
+					minetest.swap_node(north,	  {name="trunks:twig_8", param2=3})
+				end
+			end
+			--	big twig 2
+		elseif twig_size == 21 then
+			n1 = minetest.get_node({x=pos.x,y=pos.y,z=pos.z+1})
+			n2 = minetest.get_node({x=pos.x+1,y=pos.y,z=pos.z+1})
+			r1 = n1 and minetest.registered_nodes[n1.name]
+			r2 = n2 and minetest.registered_nodes[n2.name]
+			if not (r1 and r1.buildable_to or r2 and r2.buildable_to) then
+				if minetest.registered_nodes[node_here.name].buildable_to then
+					minetest.swap_node(right_here, {name="trunks:twig_9"})
+				end
+				if minetest.registered_nodes[node_north.name].buildable_to then
+					minetest.swap_node(north,	  {name="trunks:twig_10"})
+				end
+				if minetest.registered_nodes[node_n_e.name].buildable_to then
+					minetest.swap_node(north_east, {name="trunks:twig_11"})
+				end
+			end
+		elseif twig_size == 22 then
+			n1 = minetest.get_node({x=pos.x+1,y=pos.y,z=pos.z})
+			n2 = minetest.get_node({x=pos.x+1,y=pos.y,z=pos.z-1})
+			r1 = n1 and minetest.registered_nodes[n1.name]
+			r2 = n2 and minetest.registered_nodes[n2.name]
+			if not (r1 and r1.buildable_to or r2 and r2.buildable_to) then
+				if minetest.registered_nodes[node_here.name].buildable_to then
+					minetest.swap_node(right_here, {name="trunks:twig_9", param2=1})
+				end
+				if minetest.registered_nodes[node_east.name].buildable_to then
+					minetest.swap_node(east,		  {name="trunks:twig_10", param2=1})
+				end
+				if minetest.registered_nodes[node_s_e.name].buildable_to then
+					minetest.swap_node(south_east, {name="trunks:twig_11", param2=1})
+				end
+			end
+		elseif twig_size == 23 then
+			n1 = minetest.get_node({x=pos.x,y=pos.y,z=pos.z-1})
+			n2 = minetest.get_node({x=pos.x-1,y=pos.y,z=pos.z-1})
+			r1 = n1 and minetest.registered_nodes[n1.name]
+			r2 = n2 and minetest.registered_nodes[n2.name]
+			if not (r1 and r1.buildable_to or r2 and r2.buildable_to) then
+				if minetest.registered_nodes[node_here.name].buildable_to then
+					minetest.swap_node(right_here, {name="trunks:twig_9", param2=2})
+				end
+				if minetest.registered_nodes[node_south.name].buildable_to then
+					minetest.swap_node(south,	  {name="trunks:twig_10", param2=2})
+				end
+				if minetest.registered_nodes[node_s_w.name].buildable_to then
+					minetest.swap_node(south_west, {name="trunks:twig_11", param2=2})
+				end
+			end
+		elseif twig_size == 24 then
+			n1 = minetest.get_node({x=pos.x-1,y=pos.y,z=pos.z})
+			n2 = minetest.get_node({x=pos.x-1,y=pos.y,z=pos.z+1})
+			r1 = n1 and minetest.registered_nodes[n1.name]
+			r2 = n2 and minetest.registered_nodes[n2.name]
+			if not (r1 and r1.buildable_to or r2 and r2.buildable_to) then
+				if minetest.registered_nodes[node_here.name].buildable_to then
+					minetest.swap_node(right_here, {name="trunks:twig_9", param2=3})
+				end
+				if minetest.registered_nodes[node_west.name].buildable_to then
+					minetest.swap_node(west,		  {name="trunks:twig_10", param2=3})
+				end
+				if minetest.registered_nodes[node_n_w.name].buildable_to then
+					minetest.swap_node(north_west, {name="trunks:twig_11", param2=3})
+				end
+			end
+		elseif twig_size <= 25 then
+			minetest.swap_node(right_here, {name="trunks:twig_"..math.random(12,13), param2=math.random(0,3)})
 		end
 	elseif twig_size == 18 then
 		if not (check_node_buildable_to({x=pos.x+1,y=pos.y,z=pos.z-1})

trunks/nodes.lua

@@ -1,6 +1,8 @@
 -- Code by Mossmanikin & Neuromancer
 -- support for i18n
 local S = minetest.get_translator("trunks")
+
+local random = math.random
 -----------------------------------------------------------------------------------------------
 -- TWiGS
 -----------------------------------------------------------------------------------------------
@@ -67,7 +69,6 @@ end
 -----------------------------------------------------------------------------------------------
 -- MoSS
 -----------------------------------------------------------------------------------------------
-
 --			wall_top    = {-0.4375, 0.4375, -0.3125, 0.4375, 0.5, 0.3125},
 --			wall_bottom = {-0.4375, -0.5, -0.3125, 0.4375, -0.4375, 0.3125},
 --			wall_side   = {-0.5, -0.3125, -0.4375, -0.4375, 0.3125, 0.4375},

vines/init.lua

@@ -11,8 +11,8 @@ local enable_side = minetest.settings:get_bool("vines_enable_side", true)
 local enable_jungle = minetest.settings:get_bool("vines_enable_jungle", true)
 local enable_willow = minetest.settings:get_bool("vines_enable_willow", true)
 
-local rarity_roots = tonumber(minetest.settings:get("vines_rarity_roots")) or 70
-local default_rarity = 95
+local rarity_roots = tonumber(minetest.settings:get("vines_rarity_roots")) or 0.5
+local default_rarity = 0.2
 local rarity_standard = tonumber(minetest.settings:get("vines_rarity_standard")) or default_rarity
 local rarity_side = tonumber(minetest.settings:get("vines_rarity_side")) or default_rarity
 local rarity_jungle = tonumber(minetest.settings:get("vines_rarity_jungle")) or default_rarity
@@ -24,6 +24,25 @@ local growth_max = tonumber(minetest.settings:get("vines_growth_max")) or 360
 -- support for i18n
 local S = minetest.get_translator("vines")
 
+local dids = {}
+local spawn_funcs = {}
+
+local function find_open_side(pos) -- copied from biome_lib
+	if minetest.get_node({ x=pos.x-1, y=pos.y, z=pos.z }).name == "air" then
+		return {newpos = { x=pos.x-1, y=pos.y, z=pos.z }, facedir = 2}
+	end
+	if minetest.get_node({ x=pos.x+1, y=pos.y, z=pos.z }).name == "air" then
+		return {newpos = { x=pos.x+1, y=pos.y, z=pos.z }, facedir = 3}
+	end
+	if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z-1 }).name == "air" then
+		return {newpos = { x=pos.x, y=pos.y, z=pos.z-1 }, facedir = 4}
+	end
+	if minetest.get_node({ x=pos.x, y=pos.y, z=pos.z+1 }).name == "air" then
+		return {newpos = { x=pos.x, y=pos.y, z=pos.z+1 }, facedir = 5}
+	end
+	return nil
+end
+
 -- ITEMS
 
 if enable_vines ~= false then
@@ -36,6 +55,8 @@ end
 
 -- FUNCTIONS
 
+local random = math.random
+
 local function on_dig(pos, node, player)
 	if not player or minetest.is_protected(pos, player:get_player_name()) then
 		return
@@ -85,7 +106,7 @@ local function ensure_vine_end(pos, oldnode)
 end
 
 
-vines.register_vine = function( name, defs, biome )
+vines.register_vine = function( name, defs, def )
 
 	local groups = {vines = 1, snappy = 3, flammable = 2}
 	local vine_name_end = 'vines:' .. name .. '_end'
@@ -93,16 +114,37 @@ vines.register_vine = function( name, defs, biome )
 	local vine_image_end = "vines_" .. name .. "_end.png"
 	local vine_image_middle = "vines_" .. name .. "_middle.png"
 
-	local spawn_plants = function(pos, fdir)
+	local spawn_plants = function(pos)
+		local param2 = 0
+
+		if def.spawn_on_bottom then -- spawn under e.g. leaves
+			local newpos = vector.new(pos.x, pos.y - 1, pos.z)
+			if minetest.get_node(pos).name ~= "air" and minetest.get_node(newpos).name == "air" then
+				-- (1) prevent floating vines; (2) is there even space?
+				pos = newpos
+			else
+				return
+			end
+		elseif def.spawn_on_side then
+			local onside = find_open_side(pos)
+			if onside then
+				pos = onside.newpos
+				param2 = onside.facedir
+			else
+				return
+			end
+		end
+
 		local max_length = math.random(defs.average_length)
 		local current_length = 1
+		-- print("Generate " .. name .. " at " .. minetest.pos_to_string(pos))
 		if minetest.get_node({ x=pos.x, y=pos.y - 1, z=pos.z }).name == 'air' then
 			while minetest.get_node({ x=pos.x, y=pos.y - 1, z=pos.z }).name == 'air' and current_length < max_length do
-				minetest.swap_node(pos, { name = vine_name_middle, param2 = fdir })
+				minetest.set_node(pos, { name = vine_name_middle, param2 = param2 })
 				pos.y = pos.y - 1
 				current_length = current_length + 1
 			end
-			minetest.set_node(pos, { name = vine_name_end, param2 = fdir })
+			minetest.set_node(pos, { name = vine_name_end, param2 = param2 })
 		end
 	end
 
@@ -110,7 +152,7 @@ vines.register_vine = function( name, defs, biome )
 	local drawtype = 'signlike'
 
 	-- different properties for bottom and side vines.
-	if not biome.spawn_on_side then
+	if not def.spawn_on_side then
 
 		selection_box = {
 			type = "fixed", fixed = { -0.4, -1/2, -0.4, 0.4, 1/2, 0.4 }
@@ -139,7 +181,7 @@ vines.register_vine = function( name, defs, biome )
 		on_construct = function(pos)
 
 			local timer = minetest.get_node_timer(pos)
-			timer:start(math.random(growth_min, growth_max))
+			timer:start(random(growth_min, growth_max))
 		end,
 
 		on_timer = function(pos)
@@ -149,7 +191,7 @@ vines.register_vine = function( name, defs, biome )
 			local bottom_node = minetest.get_node( bottom )
 			if bottom_node.name == "air" then
 
-				if math.random(defs.average_length) ~= 1 then
+				if random(defs.average_length) ~= 1 then
 
 					minetest.swap_node(pos, {
 							name = vine_name_middle, param2 = node.param2})
@@ -159,7 +201,7 @@ vines.register_vine = function( name, defs, biome )
 
 					local timer = minetest.get_node_timer(bottom_node)
 
-					timer:start(math.random(growth_min, growth_max))
+					timer:start(random(growth_min, growth_max))
 				end
 			end
 		end,
@@ -195,9 +237,44 @@ vines.register_vine = function( name, defs, biome )
 		end,
 	})
 
-	biome_lib.register_on_generate(biome, spawn_plants)
+	minetest.register_decoration({
+		name = "vines:" .. name,
+		decoration = {"air"},
+		fill_ratio = def.rarity,
+		y_min = -16,
+		y_max = 48,
+		place_on = def.place_on,
+		deco_type = "simple",
+		flags = "all_floors, all_ceilings"
+	})
+	dids[#dids + 1] = {name = name, spawn_func = spawn_plants}
 end
 
+minetest.register_on_mods_loaded(function()
+	for idx, def in ipairs(dids) do
+		local did = minetest.get_decoration_id("vines:" .. def.name)
+		dids[idx] = did
+		spawn_funcs[did] = def.spawn_func
+	end
+
+	minetest.set_gen_notify("decoration", dids)
+end)
+
+minetest.register_on_generated(function(minp, maxp, blockseed)
+	local g = minetest.get_mapgen_object("gennotify")
+
+	for _, did in ipairs(dids) do
+		local deco_locations = g["decoration#" .. did]
+
+		if deco_locations then
+			local func = spawn_funcs[did]
+			for _, pos in pairs(deco_locations) do
+				func(pos)
+			end
+		end
+	end
+end)
+
 -- ALIASES
 
 -- used to remove the old vine nodes and give room for the new.
@@ -370,19 +447,12 @@ minetest.register_craft({
 if enable_roots ~= false then
 	vines.register_vine('root',
 		{description = S("Roots"), average_length = 9}, {
-		check_air = false,
-		avoid_nodes = {"vines:root_middle"},
-		avoid_radius = 5,
-		surface = {
+		place_on = {
 			"default:dirt_with_grass",
 			"default:dirt"
 		},
 		spawn_on_bottom = true,
-		plantlife_limit = -0.6,
 		rarity = rarity_roots,
-		tries = 3,
-		humidity_min = 0.4,
-		temp_min = 0.4,
 	})
 else
 	minetest.register_alias('vines:root_middle', 'air')
@@ -393,22 +463,14 @@ end
 if enable_standard ~= false then
 	vines.register_vine('vine',
 		{description = S("Vines"), average_length = 5}, {
-		check_air = false,
-		avoid_nodes = {"group:vines"},
-		avoid_radius = 5,
-		surface = {
-	--		"default:leaves",
+		place_on = {
 			"default:jungleleaves",
 			"moretrees:jungletree_leaves_red",
 			"moretrees:jungletree_leaves_yellow",
 			"moretrees:jungletree_leaves_green"
 		},
 		spawn_on_bottom = true,
-		plantlife_limit = -0.9,
 		rarity = rarity_standard,
-		tries = 1,
-		humidity_min = 0.7,
-		temp_min = 0.4,
 	})
 else
 	minetest.register_alias('vines:vine_middle', 'air')
@@ -419,22 +481,14 @@ end
 if enable_side ~= false then
 	vines.register_vine('side',
 		{description = S("Vines"), average_length = 6}, {
-		check_air = false,
-		avoid_nodes = {"group:vines", "default:apple"},
-		avoid_radius = 3,
-		surface = {
-	--		"default:leaves",
+		place_on = {
 			"default:jungleleaves",
 			"moretrees:jungletree_leaves_red",
 			"moretrees:jungletree_leaves_yellow",
 			"moretrees:jungletree_leaves_green"
 		},
 		spawn_on_side = true,
-		plantlife_limit = -0.9,
 		rarity = rarity_side,
-		tries = 1,
-		humidity_min = 0.4,
-		temp_min = 0.4,
 	})
 else
 	minetest.register_alias('vines:side_middle', 'air')
@@ -445,54 +499,25 @@ end
 if enable_jungle ~= false then
 	vines.register_vine("jungle",
 		{description = S("Jungle Vines"), average_length = 7}, {
-		check_air = false,
-		near_nodes = {
-			"default:jungleleaves",
-			"moretrees:jungletree_leaves_red",
-			"moretrees:jungletree_leaves_yellow",
-			"moretrees:jungletree_leaves_green"
-		},
-		near_nodes_size = 4,
-		near_nodes_vertical = 4,
-		avoid_nodes = {
-			"vines:jungle_middle",
-			"vines:jungle_end",
-		},
-		avoid_radius = 5,
-		surface = {
+		place_on = {
 			"default:jungletree",
 			"moretrees:jungletree_trunk"
 		},
 		spawn_on_side = true,
-		plantlife_limit = -0.9,
 		rarity = rarity_jungle,
-		tries = 1,
-		humidity_min = 0.2,
-		temp_min = 0.3,
 	})
 else
 	minetest.register_alias('vines:jungle_middle', 'air')
 	minetest.register_alias('vines:jungle_end', 'air')
 end
 
--- WILLOW VINES
+-- WILLOW VINES (Note from 2024-06: Broken for years now, integration w/ new moretrees spawn mechanic needed)
 if enable_willow ~= false then
-	vines.register_vine( 'willow',
+	vines.register_vine("willow",
 		{description = S("Willow Vines"), average_length = 9}, {
-		check_air = false,
-		avoid_nodes = {"vines:willow_middle"},
-		avoid_radius = 5,
-		near_nodes = {'default:water_source'},
-		near_nodes_size = 1,
-		near_nodes_count = 1,
-		near_nodes_vertical = 7,
-		plantlife_limit = -0.8,
 		spawn_on_side = true,
-		surface = {"moretrees:willow_leaves"},
+		place_on = {"moretrees:willow_leaves"},
 		rarity = rarity_willow,
-		tries = 1,
-		humidity_min = 0.5,
-		temp_min = 0.5,
 	})
 else
 	minetest.register_alias('vines:willow_middle', 'air')

vines/mod.conf

@@ -1,4 +1,4 @@
 name = vines
 description = Adds climbable vines that are spawned on trees.
-depends = default, biome_lib
-optional_depends = moretrees
+depends = default
+optional_depends = moretrees, ebiomes

vines/settingtypes.txt

@@ -7,32 +7,32 @@ vines_enable_rope (Enable vine ropes) bool true
 #Enables root vines.
 vines_enable_roots (Enable root vines) bool true
 
-#Rarity of root vines, from 1 to 100, higher numbers are rarer.
-vines_rarity_roots (Rarity of roots vines) float 95 0 100
+#Rarity of root vines, from 1 to 10, lower numbers are rarer.
+vines_rarity_roots (Rarity of roots vines) float 0.5 1 0
 
 #Enables the standard type of vines.
 vines_enable_standard (Enable standard vines) bool true
 
-#Rarity of standard vines, from 1 to 100, higher numbers are rarer.
-vines_rarity_standard (Rarity of standard vines) float 95 0 100
+#Rarity of standard vines, from 1 to 10, lower numbers are rarer.
+vines_rarity_standard (Rarity of standard vines) float 0.2 1 0
 
 #Enables the type of vines that grow on the sides of leaf blocks.
 vines_enable_side (Enable side vines) bool true
 
-#Rarity of side vines, from 1 to 100, higher numbers are rarer.
-vines_rarity_side (Rarity of side vines) float 95 0 100
+#Rarity of side vines, from 1 to 10, lower numbers are rarer.
+vines_rarity_side (Rarity of side vines) float 0.2 1 0
 
 #Enables jungle style vines.
 vines_enable_jungle (Enable jungle vines) bool true
 
-#Rarity of jungle vines, from 1 to 100, higher numbers are rarer.
-vines_rarity_jungle (Rarity of jungle vines) float 95 0 100
+#Rarity of jungle vines, from 1 to 10, lower numbers are rarer.
+vines_rarity_jungle (Rarity of jungle vines) float 0.2 1 0
 
 #Enables willow vines.
 vines_enable_willow (Enable willow vines) bool true
 
-#Rarity of willow vines, from 1 to 100, higher numbers are rarer.
-vines_rarity_willow (Rarity of willow vines) float 95 0 100
+#Rarity of willow vines, from 1 to 10, lower numbers are rarer.
+vines_rarity_willow (Rarity of willow vines) float 0.2 1 0
 
 #Vine growth speed, minimum number of seconds between each growth.
 vines_growth_min (Minimum number of seconds between growth) int 180 1 3600

youngtrees/init.lua

@@ -147,3 +147,5 @@ minetest.register_on_generated(function(minp, maxp, blockseed)
         timer:start(0)
     end
 end)
+
+minetest.log("action", "[youngtrees] loaded.")