diff --git a/mods/default/functions.lua b/mods/default/functions.lua
index 586dfc4..c562320 100644
--- a/mods/default/functions.lua
+++ b/mods/default/functions.lua
@@ -298,3 +298,42 @@ minetest.register_abm({
 	end
 })
 
+--
+-- Grass growing
+--
+
+minetest.register_abm({
+	nodenames = {"default:dirt"},
+	interval = 2,
+	chance = 200,
+	action = function(pos, node)
+		local above = {x=pos.x, y=pos.y+1, z=pos.z}
+		local name = minetest.get_node(above).name
+		local nodedef = minetest.registered_nodes[name]
+		if nodedef and (nodedef.sunlight_propagates or nodedef.paramtype == "light")
+				and nodedef.liquidtype == "none"
+				and (minetest.get_node_light(above) or 0) >= 13 then
+			if name == "default:snow" or name == "default:snowblock" then
+				minetest.set_node(pos, {name = "default:dirt_with_snow"})
+			else
+				minetest.set_node(pos, {name = "default:dirt_with_grass"})
+			end
+		end
+	end
+})
+
+minetest.register_abm({
+	nodenames = {"default:dirt_with_grass"},
+	interval = 2,
+	chance = 20,
+	action = function(pos, node)
+		local above = {x=pos.x, y=pos.y+1, z=pos.z}
+		local name = minetest.get_node(above).name
+		local nodedef = minetest.registered_nodes[name]
+		if name ~= "ignore" and nodedef
+				and not ((nodedef.sunlight_propagates or nodedef.paramtype == "light")
+				and nodedef.liquidtype == "none") then
+			minetest.set_node(pos, {name = "default:dirt"})
+		end
+	end
+})
diff --git a/mods/default/nodes.lua b/mods/default/nodes.lua
index fcc34bb..3d32839 100644
--- a/mods/default/nodes.lua
+++ b/mods/default/nodes.lua
@@ -1,5 +1,144 @@
 -- mods/default/nodes.lua
 
+--[[ Index:
+
+Stone
+-----
+(1. Material 2. Cobble variant 3. Brick variant [4. Modified forms])
+
+default:stone
+default:cobble
+default:stonebrick
+default:mossycobble
+
+default:desert_stone
+default:desert_cobble
+default:desert_stonebrick
+
+default:sandstone
+default:sandstonebrick
+
+default:obsidian
+default:obsidianbrick
+
+Soft / Non-Stone
+----------------
+(1. Material [2. Modified forms])
+
+default:dirt
+default:dirt_with_grass
+default:dirt_with_grass_footsteps
+default:dirt_with_snow
+
+default:sand
+default:desert_sand
+
+default:gravel
+
+default:clay
+
+default:snow
+default:snowblock
+
+default:ice
+
+Trees
+-----
+(1. Trunk 2. Fabricated trunk 3. Leaves 4. Sapling [5. Fruits])
+
+default:tree
+default:wood
+default:leaves
+default:sapling
+default:apple
+
+default:jungletree
+default:junglewood
+default:jungleleaves
+default:junglesapling
+
+default:pinetree
+default:pinewood
+default:pine_needles
+default:pine_sapling
+
+Ores
+----
+(1. In stone 2. Block)
+
+default:stone_with_coal
+default:coalblock
+
+default:stone_with_iron
+default:steelblock
+
+default:stone_with_copper
+default:copperblock
+default:bronzeblock
+
+default:stone_with_gold
+default:goldblock
+
+default:stone_with_mese
+default:mese
+
+default:stone_with_diamond
+default:diamondblock
+
+Plantlife (non-cubic)
+---------------------
+default:cactus
+default:papyrus
+default:dry_shrub
+default:junglegrass
+default:grass_1
+default:grass_2
+default:grass_3
+default:grass_4
+default:grass_5
+
+Liquids
+-------
+(1. Source 2. Flowing)
+
+default:water_source
+default:water_flowing
+
+default:lava_source
+default:lava_flowing
+
+Tools / "Advanced" crafting / Non-"natural"
+-------------------------------------------
+default:torch
+
+default:chest
+default:chest_locked
+
+default:bookshelf
+
+default:sign_wall
+default:ladder
+default:fence_wood
+
+default:glass
+default:obsidian_glass
+
+default:rail
+
+default:brick
+
+Misc
+----
+default:cloud
+default:nyancat
+default:nyancat_rainbow
+
+--]]
+
+--
+-- Stone
+--
+
 minetest.register_node("default:stone", {
 	description = "Stone",
 	tiles = {"default_stone.png"},
@@ -10,67 +149,11 @@ minetest.register_node("default:stone", {
 	sounds = default.node_sound_stone_defaults(),
 })
 
-minetest.register_node("default:desert_stone", {
-	description = "Desert Stone",
-	tiles = {"default_desert_stone.png"},
+minetest.register_node("default:cobble", {
+	description = "Cobblestone",
+	tiles = {"default_cobble.png"},
 	is_ground_content = true,
-	groups = {cracky=3, stone=1},
-	drop = 'default:desert_cobble',
-	legacy_mineral = true,
-	sounds = default.node_sound_stone_defaults(),
-})
-
-minetest.register_node("default:stone_with_coal", {
-	description = "Coal Ore",
-	tiles = {"default_stone.png^default_mineral_coal.png"},
-	is_ground_content = true,
-	groups = {cracky=3},
-	drop = 'default:coal_lump',
-	sounds = default.node_sound_stone_defaults(),
-})
-
-minetest.register_node("default:stone_with_iron", {
-	description = "Iron Ore",
-	tiles = {"default_stone.png^default_mineral_iron.png"},
-	is_ground_content = true,
-	groups = {cracky=2},
-	drop = 'default:iron_lump',
-	sounds = default.node_sound_stone_defaults(),
-})
-
-minetest.register_node("default:stone_with_copper", {
-	description = "Copper Ore",
-	tiles = {"default_stone.png^default_mineral_copper.png"},
-	is_ground_content = true,
-	groups = {cracky=2},
-	drop = 'default:copper_lump',
-	sounds = default.node_sound_stone_defaults(),
-})
-
-minetest.register_node("default:stone_with_mese", {
-	description = "Mese Ore",
-	tiles = {"default_stone.png^default_mineral_mese.png"},
-	is_ground_content = true,
-	groups = {cracky=1},
-	drop = "default:mese_crystal",
-	sounds = default.node_sound_stone_defaults(),
-})
-
-minetest.register_node("default:stone_with_gold", {
-	description = "Gold Ore",
-	tiles = {"default_stone.png^default_mineral_gold.png"},
-	is_ground_content = true,
-	groups = {cracky=2},
-	drop = "default:gold_lump",
-	sounds = default.node_sound_stone_defaults(),
-})
-
-minetest.register_node("default:stone_with_diamond", {
-	description = "Diamond Ore",
-	tiles = {"default_stone.png^default_mineral_diamond.png"},
-	is_ground_content = true,
-	groups = {cracky=1},
-	drop = "default:diamond",
+	groups = {cracky=3, stone=2},
 	sounds = default.node_sound_stone_defaults(),
 })
 
@@ -81,6 +164,34 @@ minetest.register_node("default:stonebrick", {
 	sounds = default.node_sound_stone_defaults(),
 })
 
+minetest.register_node("default:mossycobble", {
+	description = "Mossy Cobblestone",
+	tiles = {"default_mossycobble.png"},
+	is_ground_content = true,
+	groups = {cracky=3},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+
+
+minetest.register_node("default:desert_stone", {
+	description = "Desert Stone",
+	tiles = {"default_desert_stone.png"},
+	is_ground_content = true,
+	groups = {cracky=3, stone=1},
+	drop = 'default:desert_cobble',
+	legacy_mineral = true,
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:desert_cobble", {
+	description = "Desert Cobblestone",
+	tiles = {"default_desert_cobble.png"},
+	is_ground_content = true,
+	groups = {cracky=3, stone=2},
+	sounds = default.node_sound_stone_defaults(),
+})
+
 minetest.register_node("default:desert_stonebrick", {
 	description = "Desert Stone Brick",
 	tiles = {"default_desert_stone_brick.png"},
@@ -88,6 +199,53 @@ minetest.register_node("default:desert_stonebrick", {
 	sounds = default.node_sound_stone_defaults(),
 })
 
+
+
+minetest.register_node("default:sandstone", {
+	description = "Sandstone",
+	tiles = {"default_sandstone.png"},
+	is_ground_content = true,
+	groups = {crumbly=2,cracky=3},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:sandstonebrick", {
+	description = "Sandstone Brick",
+	tiles = {"default_sandstone_brick.png"},
+	is_ground_content = true,
+	groups = {cracky=2},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+
+
+minetest.register_node("default:obsidian", {
+	description = "Obsidian",
+	tiles = {"default_obsidian.png"},
+	is_ground_content = true,
+	sounds = default.node_sound_stone_defaults(),
+	groups = {cracky=1,level=2},
+})
+
+minetest.register_node("default:obsidianbrick", {
+	description = "Obsidian Brick",
+	tiles = {"default_obsidian_brick.png"},
+	sounds = default.node_sound_stone_defaults(),
+	groups = {cracky=1,level=2},
+})
+
+--
+-- Soft / Non-Stone
+--
+
+minetest.register_node("default:dirt", {
+	description = "Dirt",
+	tiles = {"default_dirt.png"},
+	is_ground_content = true,
+	groups = {crumbly=3,soil=1},
+	sounds = default.node_sound_dirt_defaults(),
+})
+
 minetest.register_node("default:dirt_with_grass", {
 	description = "Dirt with Grass",
 	tiles = {"default_grass.png", "default_dirt.png", "default_dirt.png^default_grass_side.png"},
@@ -121,49 +279,7 @@ minetest.register_node("default:dirt_with_snow", {
 	}),
 })
 
-minetest.register_node("default:dirt", {
-	description = "Dirt",
-	tiles = {"default_dirt.png"},
-	is_ground_content = true,
-	groups = {crumbly=3,soil=1},
-	sounds = default.node_sound_dirt_defaults(),
-})
 
-minetest.register_abm({
-	nodenames = {"default:dirt"},
-	interval = 2,
-	chance = 200,
-	action = function(pos, node)
-		local above = {x=pos.x, y=pos.y+1, z=pos.z}
-		local name = minetest.get_node(above).name
-		local nodedef = minetest.registered_nodes[name]
-		if nodedef and (nodedef.sunlight_propagates or nodedef.paramtype == "light")
-				and nodedef.liquidtype == "none"
-				and (minetest.get_node_light(above) or 0) >= 13 then
-			if name == "default:snow" or name == "default:snowblock" then
-				minetest.set_node(pos, {name = "default:dirt_with_snow"})
-			else
-				minetest.set_node(pos, {name = "default:dirt_with_grass"})
-			end
-		end
-	end
-})
-
-minetest.register_abm({
-	nodenames = {"default:dirt_with_grass"},
-	interval = 2,
-	chance = 20,
-	action = function(pos, node)
-		local above = {x=pos.x, y=pos.y+1, z=pos.z}
-		local name = minetest.get_node(above).name
-		local nodedef = minetest.registered_nodes[name]
-		if name ~= "ignore" and nodedef
-				and not ((nodedef.sunlight_propagates or nodedef.paramtype == "light")
-				and nodedef.liquidtype == "none") then
-			minetest.set_node(pos, {name = "default:dirt"})
-		end
-	end
-})
 
 minetest.register_node("default:sand", {
 	description = "Sand",
@@ -181,6 +297,8 @@ minetest.register_node("default:desert_sand", {
 	sounds = default.node_sound_sand_defaults(),
 })
 
+
+
 minetest.register_node("default:gravel", {
 	description = "Gravel",
 	tiles = {"default_gravel.png"},
@@ -192,21 +310,7 @@ minetest.register_node("default:gravel", {
 	}),
 })
 
-minetest.register_node("default:sandstone", {
-	description = "Sandstone",
-	tiles = {"default_sandstone.png"},
-	is_ground_content = true,
-	groups = {crumbly=2,cracky=3},
-	sounds = default.node_sound_stone_defaults(),
-})
 
-minetest.register_node("default:sandstonebrick", {
-	description = "Sandstone Brick",
-	tiles = {"default_sandstone_brick.png"},
-	is_ground_content = true,
-	groups = {cracky=2},
-	sounds = default.node_sound_stone_defaults(),
-})
 
 minetest.register_node("default:clay", {
 	description = "Clay",
@@ -217,13 +321,63 @@ minetest.register_node("default:clay", {
 	sounds = default.node_sound_dirt_defaults(),
 })
 
-minetest.register_node("default:brick", {
-	description = "Brick Block",
-	tiles = {"default_brick.png"},
-	is_ground_content = false,
-	groups = {cracky=3},
-	sounds = default.node_sound_stone_defaults(),
+
+
+minetest.register_node("default:snow", {
+	description = "Snow",
+	tiles = {"default_snow.png"},
+	inventory_image = "default_snowball.png",
+	wield_image = "default_snowball.png",
+	is_ground_content = true,
+	paramtype = "light",
+	buildable_to = true,
+	drawtype = "nodebox",
+	node_box = {
+		type = "fixed",
+		fixed = {
+			{-0.5, -0.5, -0.5,  0.5, -0.5+2/16, 0.5},
+		},
+	},
+	groups = {crumbly=3,falling_node=1},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_snow_footstep", gain=0.25},
+		dug = {name="default_snow_footstep", gain=0.75},
+	}),
+
+	on_construct = function(pos)
+		pos.y = pos.y - 1
+		if minetest.get_node(pos).name == "default:dirt_with_grass" then
+			minetest.set_node(pos, {name="default:dirt_with_snow"})
+		end
+	end,
 })
+minetest.register_alias("snow", "default:snow")
+
+minetest.register_node("default:snowblock", {
+	description = "Snow Block",
+	tiles = {"default_snow.png"},
+	is_ground_content = true,
+	groups = {crumbly=3},
+	sounds = default.node_sound_dirt_defaults({
+		footstep = {name="default_snow_footstep", gain=0.25},
+		dug = {name="default_snow_footstep", gain=0.75},
+	}),
+})
+
+
+
+minetest.register_node("default:ice", {
+	description = "Ice",
+	tiles = {"default_ice.png"},
+	is_ground_content = true,
+	paramtype = "light",
+	groups = {cracky=3},
+	sounds = default.node_sound_glass_defaults(),
+})
+
+--
+-- Trees
+--
 
 minetest.register_node("default:tree", {
 	description = "Tree",
@@ -232,9 +386,91 @@ minetest.register_node("default:tree", {
 	is_ground_content = false,
 	groups = {tree=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
 	sounds = default.node_sound_wood_defaults(),
+
 	on_place = minetest.rotate_node
 })
 
+minetest.register_node("default:wood", {
+	description = "Wooden Planks",
+	tiles = {"default_wood.png"},
+	groups = {choppy=2,oddly_breakable_by_hand=2,flammable=3,wood=1},
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_node("default:sapling", {
+	description = "Sapling",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"default_sapling.png"},
+	inventory_image = "default_sapling.png",
+	wield_image = "default_sapling.png",
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = true,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3}
+	},
+	groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1,sapling=1},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+minetest.register_node("default:leaves", {
+	description = "Leaves",
+	drawtype = "allfaces_optional",
+	waving = 1,
+	visual_scale = 1.3,
+	tiles = {"default_leaves.png"},
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {snappy=3, leafdecay=3, flammable=2, leaves=1},
+	drop = {
+		max_items = 1,
+		items = {
+			{
+				-- player will get sapling with 1/20 chance
+				items = {'default:sapling'},
+				rarity = 20,
+			},
+			{
+				-- player will get leaves only if he get no saplings,
+				-- this is because max_items is 1
+				items = {'default:leaves'},
+			}
+		}
+	},
+	sounds = default.node_sound_leaves_defaults(),
+
+	after_place_node = default.after_place_leaves,
+})
+
+minetest.register_node("default:apple", {
+	description = "Apple",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"default_apple.png"},
+	inventory_image = "default_apple.png",
+	paramtype = "light",
+	sunlight_propagates = true,
+	walkable = false,
+	is_ground_content = true,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.2, -0.5, -0.2, 0.2, 0, 0.2}
+	},
+	groups = {fleshy=3,dig_immediate=3,flammable=2,leafdecay=3,leafdecay_drop=1},
+	on_use = minetest.item_eat(1),
+	sounds = default.node_sound_leaves_defaults(),
+
+	after_place_node = function(pos, placer, itemstack)
+		if placer:is_player() then
+			minetest.set_node(pos, {name="default:apple", param2=1})
+		end
+	end,
+})
+
+
+
 minetest.register_node("default:jungletree", {
 	description = "Jungle Tree",
 	tiles = {"default_jungletree_top.png", "default_jungletree_top.png", "default_jungletree.png"},
@@ -242,6 +478,7 @@ minetest.register_node("default:jungletree", {
 	is_ground_content = false,
 	groups = {tree=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
 	sounds = default.node_sound_wood_defaults(),
+
 	on_place = minetest.rotate_node
 })
 
@@ -277,6 +514,7 @@ minetest.register_node("default:jungleleaves", {
 		}
 	},
 	sounds = default.node_sound_leaves_defaults(),
+
 	after_place_node = default.after_place_leaves,
 })
 
@@ -297,6 +535,257 @@ minetest.register_node("default:junglesapling", {
 	sounds = default.node_sound_leaves_defaults(),
 })
 
+
+
+minetest.register_node("default:pinetree", {
+	description = "Pine Tree",
+	tiles = {"default_pinetree_top.png", "default_pinetree_top.png", "default_pinetree.png"},
+	paramtype2 = "facedir",
+	is_ground_content = false,
+	groups = {tree=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
+	sounds = default.node_sound_wood_defaults(),
+
+	on_place = minetest.rotate_node
+})
+
+minetest.register_node("default:pinewood", {
+	description = "Pinewood Planks",
+	tiles = {"default_pinewood.png"},
+	groups = {choppy=2,oddly_breakable_by_hand=2,flammable=3,wood=1},
+	sounds = default.node_sound_wood_defaults(),
+})
+
+minetest.register_node("default:pine_needles",{
+	description = "Pine Needles",
+	drawtype = "allfaces_optional",
+	visual_scale = 1.3,
+	tiles = {"default_pine_needles.png"},
+	waving = 1,
+	paramtype = "light",
+	is_ground_content = false,
+	groups = {snappy=3, leafdecay=3, flammable=2, leaves=1},
+	drop = {
+		max_items = 1,
+		items = {
+			{
+				-- player will get sapling with 1/20 chance
+				items = {"default:pine_sapling"},
+				rarity = 20,
+			},
+			{
+				-- player will get leaves only if he get no saplings,
+				-- this is because max_items is 1
+				items = {"default:pine_needles"},
+			}
+		}
+	},
+	sounds = default.node_sound_leaves_defaults(),
+
+	after_place_node = default.after_place_leaves,
+})
+
+minetest.register_node("default:pine_sapling", {
+	description = "Pine Sapling",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"default_pine_sapling.png"},
+	inventory_image = "default_pine_sapling.png",
+	wield_image = "default_pine_sapling.png",
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = true,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3}
+	},
+	groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1,sapling=1},
+	sounds = default.node_sound_leaves_defaults(),
+})
+
+--
+-- Ores
+--
+
+minetest.register_node("default:stone_with_coal", {
+	description = "Coal Ore",
+	tiles = {"default_stone.png^default_mineral_coal.png"},
+	is_ground_content = true,
+	groups = {cracky=3},
+	drop = 'default:coal_lump',
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:coalblock", {
+	description = "Coal Block",
+	tiles = {"default_coal_block.png"},
+	is_ground_content = true,
+	groups = {cracky=3},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+
+
+minetest.register_node("default:stone_with_iron", {
+	description = "Iron Ore",
+	tiles = {"default_stone.png^default_mineral_iron.png"},
+	is_ground_content = true,
+	groups = {cracky=2},
+	drop = 'default:iron_lump',
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:steelblock", {
+	description = "Steel Block",
+	tiles = {"default_steel_block.png"},
+	is_ground_content = true,
+	groups = {cracky=1,level=2},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+
+
+minetest.register_node("default:stone_with_copper", {
+	description = "Copper Ore",
+	tiles = {"default_stone.png^default_mineral_copper.png"},
+	is_ground_content = true,
+	groups = {cracky=2},
+	drop = 'default:copper_lump',
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:copperblock", {
+	description = "Copper Block",
+	tiles = {"default_copper_block.png"},
+	is_ground_content = true,
+	groups = {cracky=1,level=2},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:bronzeblock", {
+	description = "Bronze Block",
+	tiles = {"default_bronze_block.png"},
+	is_ground_content = true,
+	groups = {cracky=1,level=2},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+
+
+minetest.register_node("default:stone_with_mese", {
+	description = "Mese Ore",
+	tiles = {"default_stone.png^default_mineral_mese.png"},
+	is_ground_content = true,
+	groups = {cracky=1},
+	drop = "default:mese_crystal",
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:mese", {
+	description = "Mese Block",
+	tiles = {"default_mese_block.png"},
+	is_ground_content = true,
+	groups = {cracky=1,level=2},
+	sounds = default.node_sound_stone_defaults(),
+})
+minetest.register_alias("default:mese_block", "default:mese")
+
+
+
+minetest.register_node("default:stone_with_gold", {
+	description = "Gold Ore",
+	tiles = {"default_stone.png^default_mineral_gold.png"},
+	is_ground_content = true,
+	groups = {cracky=2},
+	drop = "default:gold_lump",
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:goldblock", {
+	description = "Gold Block",
+	tiles = {"default_gold_block.png"},
+	is_ground_content = true,
+	groups = {cracky=1},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+
+
+minetest.register_node("default:stone_with_diamond", {
+	description = "Diamond Ore",
+	tiles = {"default_stone.png^default_mineral_diamond.png"},
+	is_ground_content = true,
+	groups = {cracky=1},
+	drop = "default:diamond",
+	sounds = default.node_sound_stone_defaults(),
+})
+
+minetest.register_node("default:diamondblock", {
+	description = "Diamond Block",
+	tiles = {"default_diamond_block.png"},
+	is_ground_content = true,
+	groups = {cracky=1,level=3},
+	sounds = default.node_sound_stone_defaults(),
+})
+
+--
+-- Plantlife (non-cubic)
+--
+
+minetest.register_node("default:cactus", {
+	description = "Cactus",
+	tiles = {"default_cactus_top.png", "default_cactus_top.png", "default_cactus_side.png"},
+	paramtype2 = "facedir",
+	is_ground_content = true,
+	groups = {snappy=1,choppy=3,flammable=2},
+	sounds = default.node_sound_wood_defaults(),
+	on_place = minetest.rotate_node,
+
+	after_dig_node = function(pos, node, metadata, digger)
+		default.dig_up(pos, node, digger)
+	end,
+})
+
+minetest.register_node("default:papyrus", {
+	description = "Papyrus",
+	drawtype = "plantlike",
+	tiles = {"default_papyrus.png"},
+	inventory_image = "default_papyrus.png",
+	wield_image = "default_papyrus.png",
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = true,
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3}
+	},
+	groups = {snappy=3,flammable=2},
+	sounds = default.node_sound_leaves_defaults(),
+
+	after_dig_node = function(pos, node, metadata, digger)
+		default.dig_up(pos, node, digger)
+	end,
+})
+
+minetest.register_node("default:dry_shrub", {
+	description = "Dry Shrub",
+	drawtype = "plantlike",
+	waving = 1,
+	visual_scale = 1.0,
+	tiles = {"default_dry_shrub.png"},
+	inventory_image = "default_dry_shrub.png",
+	wield_image = "default_dry_shrub.png",
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = true,
+	buildable_to = true,
+	groups = {snappy=3,flammable=3,attached_node=1},
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
+	},
+})
+
 minetest.register_node("default:junglegrass", {
 	description = "Jungle Grass",
 	drawtype = "plantlike",
@@ -317,217 +806,101 @@ minetest.register_node("default:junglegrass", {
 	},
 })
 
-minetest.register_node("default:leaves", {
-	description = "Leaves",
-	drawtype = "allfaces_optional",
-	waving = 1,
-	visual_scale = 1.3,
-	tiles = {"default_leaves.png"},
-	paramtype = "light",
-	is_ground_content = false,
-	groups = {snappy=3, leafdecay=3, flammable=2, leaves=1},
-	drop = {
-		max_items = 1,
-		items = {
-			{
-				-- player will get sapling with 1/20 chance
-				items = {'default:sapling'},
-				rarity = 20,
-			},
-			{
-				-- player will get leaves only if he get no saplings,
-				-- this is because max_items is 1
-				items = {'default:leaves'},
-			}
-		}
-	},
-	sounds = default.node_sound_leaves_defaults(),
-	after_place_node = default.after_place_leaves,
-})
-
-minetest.register_node("default:cactus", {
-	description = "Cactus",
-	tiles = {"default_cactus_top.png", "default_cactus_top.png", "default_cactus_side.png"},
-	paramtype2 = "facedir",
-	is_ground_content = true,
-	groups = {snappy=1,choppy=3,flammable=2},
-	sounds = default.node_sound_wood_defaults(),
-	on_place = minetest.rotate_node,
-	after_dig_node = function(pos, node, metadata, digger)
-		default.dig_up(pos, node, digger)
-	end,
-})
-
-minetest.register_node("default:papyrus", {
-	description = "Papyrus",
+minetest.register_node("default:grass_1", {
+	description = "Grass",
 	drawtype = "plantlike",
-	tiles = {"default_papyrus.png"},
-	inventory_image = "default_papyrus.png",
-	wield_image = "default_papyrus.png",
+	waving = 1,
+	tiles = {"default_grass_1.png"},
+	-- use a bigger inventory image
+	inventory_image = "default_grass_3.png",
+	wield_image = "default_grass_3.png",
 	paramtype = "light",
 	walkable = false,
 	is_ground_content = true,
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.3, -0.5, -0.3, 0.3, 0.5, 0.3}
-	},
-	groups = {snappy=3,flammable=2},
+	buildable_to = true,
+	groups = {snappy=3,flammable=3,flora=1,attached_node=1},
 	sounds = default.node_sound_leaves_defaults(),
-	after_dig_node = function(pos, node, metadata, digger)
-		default.dig_up(pos, node, digger)
-	end,
-})
-
-default.bookshelf_formspec =
-	"size[8,7;]"..
-	default.gui_bg..
-	default.gui_bg_img..
-	default.gui_slots..
-	"list[context;books;0,0.3;8,2;]"..
-	"list[current_player;main;0,2.85;8,1;]"..
-	"list[current_player;main;0,4.08;8,3;8]"..
-	default.get_hotbar_bg(0,2.85)
-
-minetest.register_node("default:bookshelf", {
-	description = "Bookshelf",
-	tiles = {"default_wood.png", "default_wood.png", "default_bookshelf.png"},
-	is_ground_content = false,
-	groups = {choppy=3,oddly_breakable_by_hand=2,flammable=3},
-	sounds = default.node_sound_wood_defaults(),
-	on_construct = function(pos)
-		local meta = minetest.get_meta(pos)
-		meta:set_string("formspec", default.bookshelf_formspec)
-		local inv = meta:get_inventory()
-		inv:set_size("books", 8*2)
-	end,
-	can_dig = function(pos,player)
-		local meta = minetest.get_meta(pos);
-		local inv = meta:get_inventory()
-		return inv:is_empty("books")
-	end,
-
-	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
-		local meta = minetest.get_meta(pos)
-		local inv = meta:get_inventory()
-		local to_stack = inv:get_stack(listname, index)
-		if listname == "books" then
-			if minetest.get_item_group(stack:get_name(), "book") ~= 0
-					and to_stack:is_empty() then
-				return 1
-			else
-				return 0
-			end
-		end
-	end,
-
-	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
-		local meta = minetest.get_meta(pos)
-		local inv = meta:get_inventory()
-		local stack = inv:get_stack(from_list, from_index)
-		local to_stack = inv:get_stack(to_list, to_index)
-		if to_list == "books" then
-			if stack:get_name() == "default:book" and to_stack:is_empty() then
-				return 1
-			else
-				return 0
-			end
-		end
-	end,
-
-	on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
-		minetest.log("action", player:get_player_name()..
-			   " moves stuff in bookshelf at "..minetest.pos_to_string(pos))
-	end,
-	on_metadata_inventory_put = function(pos, listname, index, stack, player)
-		minetest.log("action", player:get_player_name()..
-			   " moves stuff to bookshelf at "..minetest.pos_to_string(pos))
-	end,
-	on_metadata_inventory_take = function(pos, listname, index, stack, player)
-		minetest.log("action", player:get_player_name()..
-			   " takes stuff from bookshelf at "..minetest.pos_to_string(pos))
-	end,
-})
-
-minetest.register_node("default:glass", {
-	description = "Glass",
-	drawtype = "glasslike_framed_optional",
-	tiles = {"default_glass.png", "default_glass_detail.png"},
-	inventory_image = minetest.inventorycube("default_glass.png"),
-	paramtype = "light",
-	sunlight_propagates = true,
-	is_ground_content = false,
-	groups = {cracky=3,oddly_breakable_by_hand=3},
-	sounds = default.node_sound_glass_defaults(),
-})
-
-local fence_texture = "default_fence_overlay.png^default_wood.png^default_fence_overlay.png^[makealpha:255,126,126"
-minetest.register_node("default:fence_wood", {
-	description = "Wooden Fence",
-	drawtype = "fencelike",
-	tiles = {"default_wood.png"},
-	inventory_image = fence_texture,
-	wield_image = fence_texture,
-	paramtype = "light",
-	is_ground_content = false,
 	selection_box = {
 		type = "fixed",
-		fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
+		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
 	},
-	groups = {choppy=2,oddly_breakable_by_hand=2,flammable=2},
-	sounds = default.node_sound_wood_defaults(),
+
+	on_place = function(itemstack, placer, pointed_thing)
+		-- place a random grass node
+		local stack = ItemStack("default:grass_"..math.random(1,5))
+		local ret = minetest.item_place(stack, placer, pointed_thing)
+		return ItemStack("default:grass_1 "..itemstack:get_count()-(1-ret:get_count()))
+	end,
 })
 
-minetest.register_node("default:rail", {
-	description = "Rail",
-	drawtype = "raillike",
-	tiles = {"default_rail.png", "default_rail_curved.png", "default_rail_t_junction.png", "default_rail_crossing.png"},
-	inventory_image = "default_rail.png",
-	wield_image = "default_rail.png",
+for i=2,5 do
+	minetest.register_node("default:grass_"..i, {
+		description = "Grass",
+		drawtype = "plantlike",
+		waving = 1,
+		tiles = {"default_grass_"..i..".png"},
+		inventory_image = "default_grass_"..i..".png",
+		wield_image = "default_grass_"..i..".png",
+		paramtype = "light",
+		walkable = false,
+		buildable_to = true,
+		is_ground_content = true,
+		drop = "default:grass_1",
+		groups = {snappy=3,flammable=3,flora=1,attached_node=1,not_in_creative_inventory=1},
+		sounds = default.node_sound_leaves_defaults(),
+		selection_box = {
+			type = "fixed",
+			fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
+		},
+	})
+end
+
+--
+-- Liquids
+--
+
+minetest.register_node("default:water_source", {
+	description = "Water Source",
+	inventory_image = minetest.inventorycube("default_water.png"),
+	drawtype = "liquid",
+	tiles = {
+		{
+			name = "default_water_source_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 2.0
+			},
+		},
+	},
+	special_tiles = {
+		-- New-style water source material (mostly unused)
+		{
+			name = "default_water_source_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 2.0
+			},
+			backface_culling = false,
+		},
+	},
+	alpha = 160,
 	paramtype = "light",
 	walkable = false,
-	is_ground_content = false,
-	selection_box = {
-		type = "fixed",
-                -- but how to specify the dimensions for curved and sideways rails?
-                fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
-	},
-	groups = {bendy=2,dig_immediate=2,attached_node=1},
-})
-
-minetest.register_node("default:ladder", {
-	description = "Ladder",
-	drawtype = "signlike",
-	tiles = {"default_ladder.png"},
-	inventory_image = "default_ladder.png",
-	wield_image = "default_ladder.png",
-	paramtype = "light",
-	paramtype2 = "wallmounted",
-	walkable = false,
-	climbable = true,
-	is_ground_content = false,
-	selection_box = {
-		type = "wallmounted",
-		--wall_top = = <default>
-		--wall_bottom = = <default>
-		--wall_side = = <default>
-	},
-	groups = {choppy=2,oddly_breakable_by_hand=3,flammable=2},
-	legacy_wallmounted = true,
-	sounds = default.node_sound_wood_defaults(),
-})
-
-minetest.register_node("default:wood", {
-	description = "Wooden Planks",
-	tiles = {"default_wood.png"},
-	groups = {choppy=2,oddly_breakable_by_hand=2,flammable=3,wood=1},
-	sounds = default.node_sound_wood_defaults(),
-})
-
-minetest.register_node("default:cloud", {
-	description = "Cloud",
-	tiles = {"default_cloud.png"},
-	sounds = default.node_sound_defaults(),
-	groups = {not_in_creative_inventory=1},
+	pointable = false,
+	diggable = false,
+	buildable_to = true,
+	drop = "",
+	drowning = 1,
+	liquidtype = "source",
+	liquid_alternative_flowing = "default:water_flowing",
+	liquid_alternative_source = "default:water_source",
+	liquid_viscosity = 1,
+	post_effect_color = {a=64, r=100, g=100, b=200},
+	groups = {water=3, liquid=3, puts_out_fire=1},
 })
 
 minetest.register_node("default:water_flowing", {
@@ -537,14 +910,24 @@ minetest.register_node("default:water_flowing", {
 	tiles = {"default_water.png"},
 	special_tiles = {
 		{
-			image="default_water_flowing_animated.png",
-			backface_culling=false,
-			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=0.8}
+			image = "default_water_flowing_animated.png",
+			backface_culling = false,
+			animation = {
+				type =" vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 0.8
+			},
 		},
 		{
-			image="default_water_flowing_animated.png",
-			backface_culling=true,
-			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=0.8}
+			image = "default_water_flowing_animated.png",
+			backface_culling = true,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 0.8
+			},
 		},
 	},
 	alpha = 160,
@@ -564,23 +947,38 @@ minetest.register_node("default:water_flowing", {
 	groups = {water=3, liquid=3, puts_out_fire=1, not_in_creative_inventory=1},
 })
 
-minetest.register_node("default:water_source", {
-	description = "Water Source",
-	inventory_image = minetest.inventorycube("default_water.png"),
+
+
+minetest.register_node("default:lava_source", {
+	description = "Lava Source",
+	inventory_image = minetest.inventorycube("default_lava.png"),
 	drawtype = "liquid",
 	tiles = {
-		{name="default_water_source_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0}}
+		{
+			name = "default_lava_source_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 3.0
+			},
+		},
 	},
 	special_tiles = {
-		-- New-style water source material (mostly unused)
+		-- New-style lava source material (mostly unused)
 		{
-			name="default_water_source_animated.png",
-			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=2.0},
+			name = "default_lava_source_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 3.0
+			},
 			backface_culling = false,
-		}
+		},
 	},
-	alpha = 160,
 	paramtype = "light",
+	light_source = default.LIGHT_MAX - 1,
 	walkable = false,
 	pointable = false,
 	diggable = false,
@@ -588,11 +986,13 @@ minetest.register_node("default:water_source", {
 	drop = "",
 	drowning = 1,
 	liquidtype = "source",
-	liquid_alternative_flowing = "default:water_flowing",
-	liquid_alternative_source = "default:water_source",
-	liquid_viscosity = 1,
-	post_effect_color = {a=64, r=100, g=100, b=200},
-	groups = {water=3, liquid=3, puts_out_fire=1},
+	liquid_alternative_flowing = "default:lava_flowing",
+	liquid_alternative_source = "default:lava_source",
+	liquid_viscosity = 7,
+	liquid_renewable = false,
+	damage_per_second = 4 * 2,
+	post_effect_color = {a=192, r=255, g=64, b=0},
+	groups = {lava=3, liquid=2, hot=3, igniter=1},
 })
 
 minetest.register_node("default:lava_flowing", {
@@ -602,14 +1002,24 @@ minetest.register_node("default:lava_flowing", {
 	tiles = {"default_lava.png"},
 	special_tiles = {
 		{
-			image="default_lava_flowing_animated.png",
-			backface_culling=false,
-			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.3}
+			image = "default_lava_flowing_animated.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 3.3
+			},
 		},
 		{
-			image="default_lava_flowing_animated.png",
-			backface_culling=true,
-			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.3}
+			image = "default_lava_flowing_animated.png",
+			backface_culling = true,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 3.3
+			},
 		},
 	},
 	paramtype = "light",
@@ -626,52 +1036,46 @@ minetest.register_node("default:lava_flowing", {
 	liquid_alternative_source = "default:lava_source",
 	liquid_viscosity = 7,
 	liquid_renewable = false,
-	damage_per_second = 4*2,
+	damage_per_second = 4 * 2,
 	post_effect_color = {a=192, r=255, g=64, b=0},
 	groups = {lava=3, liquid=2, hot=3, igniter=1, not_in_creative_inventory=1},
 })
 
-minetest.register_node("default:lava_source", {
-	description = "Lava Source",
-	inventory_image = minetest.inventorycube("default_lava.png"),
-	drawtype = "liquid",
-	tiles = {
-		{name="default_lava_source_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.0}}
-	},
-	special_tiles = {
-		-- New-style lava source material (mostly unused)
-		{
-			name="default_lava_source_animated.png",
-			animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.0},
-			backface_culling = false,
-		}
-	},
-	paramtype = "light",
-	light_source = default.LIGHT_MAX - 1,
-	walkable = false,
-	pointable = false,
-	diggable = false,
-	buildable_to = true,
-	drop = "",
-	drowning = 1,
-	liquidtype = "source",
-	liquid_alternative_flowing = "default:lava_flowing",
-	liquid_alternative_source = "default:lava_source",
-	liquid_viscosity = 7,
-	liquid_renewable = false,
-	damage_per_second = 4*2,
-	post_effect_color = {a=192, r=255, g=64, b=0},
-	groups = {lava=3, liquid=2, hot=3, igniter=1},
-})
+--
+-- Tools / "Advanced" crafting / Non-"natural"
+--
 
 minetest.register_node("default:torch", {
 	description = "Torch",
 	drawtype = "torchlike",
-	--tiles = {"default_torch_on_floor.png", "default_torch_on_ceiling.png", "default_torch.png"},
 	tiles = {
-		{name="default_torch_on_floor_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.0}},
-		{name="default_torch_on_ceiling_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.0}},
-		{name="default_torch_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=3.0}}
+		{
+			name = "default_torch_on_floor_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 3.0
+			},
+		},
+		{
+			name="default_torch_on_ceiling_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 3.0
+			},
+		},
+		{
+			name="default_torch_animated.png",
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 3.0
+			},
+		},
 	},
 	inventory_image = "default_torch_on_floor.png",
 	wield_image = "default_torch_on_floor.png",
@@ -692,48 +1096,9 @@ minetest.register_node("default:torch", {
 	sounds = default.node_sound_defaults(),
 })
 
-minetest.register_node("default:sign_wall", {
-	description = "Sign",
-	drawtype = "nodebox",
-	tiles = {"default_sign.png"},
-	inventory_image = "default_sign_wall.png",
-	wield_image = "default_sign_wall.png",
-	paramtype = "light",
-	paramtype2 = "wallmounted",
-	sunlight_propagates = true,
-	is_ground_content = false,
-	walkable = false,
-	node_box = {
-		type = "wallmounted",
-		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},
-	},
-	groups = {choppy=2,dig_immediate=2,attached_node=1},
-	legacy_wallmounted = true,
-	sounds = default.node_sound_defaults(),
-	on_construct = function(pos)
-		--local n = minetest.get_node(pos)
-		local meta = minetest.get_meta(pos)
-		meta:set_string("formspec", "field[text;;${text}]")
-		meta:set_string("infotext", "\"\"")
-	end,
-	on_receive_fields = function(pos, formname, fields, sender)
-		--print("Sign at "..minetest.pos_to_string(pos).." got "..dump(fields))
-		if minetest.is_protected(pos, sender:get_player_name()) then
-			minetest.record_protection_violation(pos, sender:get_player_name())
-			return
-		end
-		local meta = minetest.get_meta(pos)
-		if not fields.text then return end
-		minetest.log("action", (sender:get_player_name() or "").." wrote \""..fields.text..
-				"\" to sign at "..minetest.pos_to_string(pos))
-		meta:set_string("text", fields.text)
-		meta:set_string("infotext", '"'..fields.text..'"')
-	end,
-})
 
-default.chest_formspec =
+
+local chest_formspec =
 	"size[8,9]"..
 	default.gui_bg..
 	default.gui_bg_img..
@@ -743,7 +1108,7 @@ default.chest_formspec =
 	"list[current_player;main;0,6.08;8,3;8]"..
 	default.get_hotbar_bg(0,4.85)
 
-function default.get_locked_chest_formspec(pos)
+local function get_locked_chest_formspec(pos)
 	local spos = pos.x .. "," .. pos.y .. "," ..pos.z
 	local formspec =
 		"size[8,9]"..
@@ -757,6 +1122,12 @@ function default.get_locked_chest_formspec(pos)
  return formspec
 end
 
+local function has_locked_chest_privilege(meta, player)
+	if player:get_player_name() ~= meta:get_string("owner") then
+		return false
+	end
+	return true
+end
 
 minetest.register_node("default:chest", {
 	description = "Chest",
@@ -767,9 +1138,10 @@ minetest.register_node("default:chest", {
 	legacy_facedir_simple = true,
 	is_ground_content = false,
 	sounds = default.node_sound_wood_defaults(),
+
 	on_construct = function(pos)
 		local meta = minetest.get_meta(pos)
-		meta:set_string("formspec",default.chest_formspec)
+		meta:set_string("formspec", chest_formspec)
 		meta:set_string("infotext", "Chest")
 		local inv = meta:get_inventory()
 		inv:set_size("main", 8*4)
@@ -793,12 +1165,7 @@ minetest.register_node("default:chest", {
 	end,
 })
 
-local function has_locked_chest_privilege(meta, player)
-	if player:get_player_name() ~= meta:get_string("owner") then
-		return false
-	end
-	return true
-end
+
 
 minetest.register_node("default:chest_locked", {
 	description = "Locked Chest",
@@ -809,6 +1176,7 @@ minetest.register_node("default:chest_locked", {
 	legacy_facedir_simple = true,
 	is_ground_content = false,
 	sounds = default.node_sound_wood_defaults(),
+
 	after_place_node = function(pos, placer)
 		local meta = minetest.get_meta(pos)
 		meta:set_string("owner", placer:get_player_name() or "")
@@ -862,91 +1230,180 @@ minetest.register_node("default:chest_locked", {
 			minetest.show_formspec(
 				clicker:get_player_name(),
 				"default:chest_locked",
-				default.get_locked_chest_formspec(pos)
+				get_locked_chest_formspec(pos)
 			)
 		end
 	end,
 })
 
-minetest.register_node("default:cobble", {
-	description = "Cobblestone",
-	tiles = {"default_cobble.png"},
-	is_ground_content = true,
-	groups = {cracky=3, stone=2},
-	sounds = default.node_sound_stone_defaults(),
+
+
+local bookshelf_formspec =
+	"size[8,7;]"..
+	default.gui_bg..
+	default.gui_bg_img..
+	default.gui_slots..
+	"list[context;books;0,0.3;8,2;]"..
+	"list[current_player;main;0,2.85;8,1;]"..
+	"list[current_player;main;0,4.08;8,3;8]"..
+	default.get_hotbar_bg(0,2.85)
+
+minetest.register_node("default:bookshelf", {
+	description = "Bookshelf",
+	tiles = {"default_wood.png", "default_wood.png", "default_bookshelf.png"},
+	is_ground_content = false,
+	groups = {choppy=3,oddly_breakable_by_hand=2,flammable=3},
+	sounds = default.node_sound_wood_defaults(),
+
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", bookshelf_formspec)
+		local inv = meta:get_inventory()
+		inv:set_size("books", 8*2)
+	end,
+	can_dig = function(pos,player)
+		local meta = minetest.get_meta(pos);
+		local inv = meta:get_inventory()
+		return inv:is_empty("books")
+	end,
+
+	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		local to_stack = inv:get_stack(listname, index)
+		if listname == "books" then
+			if minetest.get_item_group(stack:get_name(), "book") ~= 0
+					and to_stack:is_empty() then
+				return 1
+			else
+				return 0
+			end
+		end
+	end,
+
+	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		local stack = inv:get_stack(from_list, from_index)
+		local to_stack = inv:get_stack(to_list, to_index)
+		if to_list == "books" then
+			if stack:get_name() == "default:book" and to_stack:is_empty() then
+				return 1
+			else
+				return 0
+			end
+		end
+	end,
+
+	on_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+		minetest.log("action", player:get_player_name()..
+			   " moves stuff in bookshelf at "..minetest.pos_to_string(pos))
+	end,
+	on_metadata_inventory_put = function(pos, listname, index, stack, player)
+		minetest.log("action", player:get_player_name()..
+			   " moves stuff to bookshelf at "..minetest.pos_to_string(pos))
+	end,
+	on_metadata_inventory_take = function(pos, listname, index, stack, player)
+		minetest.log("action", player:get_player_name()..
+			   " takes stuff from bookshelf at "..minetest.pos_to_string(pos))
+	end,
 })
 
-minetest.register_node("default:desert_cobble", {
-	description = "Desert Cobblestone",
-	tiles = {"default_desert_cobble.png"},
-	is_ground_content = true,
-	groups = {cracky=3, stone=2},
-	sounds = default.node_sound_stone_defaults(),
+
+
+minetest.register_node("default:sign_wall", {
+	description = "Sign",
+	drawtype = "nodebox",
+	tiles = {"default_sign.png"},
+	inventory_image = "default_sign_wall.png",
+	wield_image = "default_sign_wall.png",
+	paramtype = "light",
+	paramtype2 = "wallmounted",
+	sunlight_propagates = true,
+	is_ground_content = false,
+	walkable = false,
+	node_box = {
+		type = "wallmounted",
+		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},
+	},
+	groups = {choppy=2,dig_immediate=2,attached_node=1},
+	legacy_wallmounted = true,
+	sounds = default.node_sound_defaults(),
+
+	on_construct = function(pos)
+		--local n = minetest.get_node(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", "field[text;;${text}]")
+		meta:set_string("infotext", "\"\"")
+	end,
+	on_receive_fields = function(pos, formname, fields, sender)
+		--print("Sign at "..minetest.pos_to_string(pos).." got "..dump(fields))
+		if minetest.is_protected(pos, sender:get_player_name()) then
+			minetest.record_protection_violation(pos, sender:get_player_name())
+			return
+		end
+		local meta = minetest.get_meta(pos)
+		if not fields.text then return end
+		minetest.log("action", (sender:get_player_name() or "").." wrote \""..fields.text..
+				"\" to sign at "..minetest.pos_to_string(pos))
+		meta:set_string("text", fields.text)
+		meta:set_string("infotext", '"'..fields.text..'"')
+	end,
 })
 
-minetest.register_node("default:mossycobble", {
-	description = "Mossy Cobblestone",
-	tiles = {"default_mossycobble.png"},
-	is_ground_content = true,
-	groups = {cracky=3},
-	sounds = default.node_sound_stone_defaults(),
+minetest.register_node("default:ladder", {
+	description = "Ladder",
+	drawtype = "signlike",
+	tiles = {"default_ladder.png"},
+	inventory_image = "default_ladder.png",
+	wield_image = "default_ladder.png",
+	paramtype = "light",
+	paramtype2 = "wallmounted",
+	walkable = false,
+	climbable = true,
+	is_ground_content = false,
+	selection_box = {
+		type = "wallmounted",
+		--wall_top = = <default>
+		--wall_bottom = = <default>
+		--wall_side = = <default>
+	},
+	groups = {choppy=2,oddly_breakable_by_hand=3,flammable=2},
+	legacy_wallmounted = true,
+	sounds = default.node_sound_wood_defaults(),
 })
 
-minetest.register_node("default:coalblock", {
-	description = "Coal Block",
-	tiles = {"default_coal_block.png"},
-	is_ground_content = true,
-	groups = {cracky=3},
-	sounds = default.node_sound_stone_defaults(),
+local fence_texture = "default_fence_overlay.png^default_wood.png^default_fence_overlay.png^[makealpha:255,126,126"
+minetest.register_node("default:fence_wood", {
+	description = "Wooden Fence",
+	drawtype = "fencelike",
+	tiles = {"default_wood.png"},
+	inventory_image = fence_texture,
+	wield_image = fence_texture,
+	paramtype = "light",
+	is_ground_content = false,
+	selection_box = {
+		type = "fixed",
+		fixed = {-1/7, -1/2, -1/7, 1/7, 1/2, 1/7},
+	},
+	groups = {choppy=2,oddly_breakable_by_hand=2,flammable=2},
+	sounds = default.node_sound_wood_defaults(),
 })
 
-minetest.register_node("default:steelblock", {
-	description = "Steel Block",
-	tiles = {"default_steel_block.png"},
-	is_ground_content = true,
-	groups = {cracky=1,level=2},
-	sounds = default.node_sound_stone_defaults(),
-})
 
-minetest.register_node("default:copperblock", {
-	description = "Copper Block",
-	tiles = {"default_copper_block.png"},
-	is_ground_content = true,
-	groups = {cracky=1,level=2},
-	sounds = default.node_sound_stone_defaults(),
-})
 
-minetest.register_node("default:bronzeblock", {
-	description = "Bronze Block",
-	tiles = {"default_bronze_block.png"},
-	is_ground_content = true,
-	groups = {cracky=1,level=2},
-	sounds = default.node_sound_stone_defaults(),
-})
-
-minetest.register_node("default:mese", {
-	description = "Mese Block",
-	tiles = {"default_mese_block.png"},
-	is_ground_content = true,
-	groups = {cracky=1,level=2},
-	sounds = default.node_sound_stone_defaults(),
-})
-minetest.register_alias("default:mese_block", "default:mese")
-
-minetest.register_node("default:goldblock", {
-	description = "Gold Block",
-	tiles = {"default_gold_block.png"},
-	is_ground_content = true,
-	groups = {cracky=1},
-	sounds = default.node_sound_stone_defaults(),
-})
-
-minetest.register_node("default:diamondblock", {
-	description = "Diamond Block",
-	tiles = {"default_diamond_block.png"},
-	is_ground_content = true,
-	groups = {cracky=1,level=3},
-	sounds = default.node_sound_stone_defaults(),
+minetest.register_node("default:glass", {
+	description = "Glass",
+	drawtype = "glasslike_framed_optional",
+	tiles = {"default_glass.png", "default_glass_detail.png"},
+	inventory_image = minetest.inventorycube("default_glass.png"),
+	paramtype = "light",
+	sunlight_propagates = true,
+	is_ground_content = false,
+	groups = {cracky=3,oddly_breakable_by_hand=3},
+	sounds = default.node_sound_glass_defaults(),
 })
 
 minetest.register_node("default:obsidian_glass", {
@@ -960,19 +1417,44 @@ minetest.register_node("default:obsidian_glass", {
 	groups = {cracky=3,oddly_breakable_by_hand=3},
 })
 
-minetest.register_node("default:obsidian", {
-	description = "Obsidian",
-	tiles = {"default_obsidian.png"},
-	is_ground_content = true,
-	sounds = default.node_sound_stone_defaults(),
-	groups = {cracky=1,level=2},
+
+
+minetest.register_node("default:rail", {
+	description = "Rail",
+	drawtype = "raillike",
+	tiles = {"default_rail.png", "default_rail_curved.png", "default_rail_t_junction.png", "default_rail_crossing.png"},
+	inventory_image = "default_rail.png",
+	wield_image = "default_rail.png",
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = false,
+	selection_box = {
+		type = "fixed",
+                -- but how to specify the dimensions for curved and sideways rails?
+                fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+	},
+	groups = {bendy=2,dig_immediate=2,attached_node=1},
 })
 
-minetest.register_node("default:obsidianbrick", {
-	description = "Obsidian Brick",
-	tiles = {"default_obsidian_brick.png"},
+
+
+minetest.register_node("default:brick", {
+	description = "Brick Block",
+	tiles = {"default_brick.png"},
+	is_ground_content = false,
+	groups = {cracky=3},
 	sounds = default.node_sound_stone_defaults(),
-	groups = {cracky=1,level=2},
+})
+
+--
+-- Misc
+--
+
+minetest.register_node("default:cloud", {
+	description = "Cloud",
+	tiles = {"default_cloud.png"},
+	sounds = default.node_sound_defaults(),
+	groups = {not_in_creative_inventory=1},
 })
 
 minetest.register_node("default:nyancat", {
@@ -988,233 +1470,12 @@ minetest.register_node("default:nyancat", {
 
 minetest.register_node("default:nyancat_rainbow", {
 	description = "Nyan Cat Rainbow",
-	tiles = {"default_nc_rb.png^[transformR90", "default_nc_rb.png^[transformR90",
-		"default_nc_rb.png", "default_nc_rb.png"},
+	tiles = {
+		"default_nc_rb.png^[transformR90", "default_nc_rb.png^[transformR90",
+		"default_nc_rb.png", "default_nc_rb.png"
+	},
 	paramtype2 = "facedir",
 	groups = {cracky=2},
 	is_ground_content = false,
 	sounds = default.node_sound_defaults(),
 })
-
-minetest.register_node("default:sapling", {
-	description = "Sapling",
-	drawtype = "plantlike",
-	visual_scale = 1.0,
-	tiles = {"default_sapling.png"},
-	inventory_image = "default_sapling.png",
-	wield_image = "default_sapling.png",
-	paramtype = "light",
-	walkable = false,
-	is_ground_content = true,
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3}
-	},
-	groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1,sapling=1},
-	sounds = default.node_sound_leaves_defaults(),
-})
-
-minetest.register_node("default:apple", {
-	description = "Apple",
-	drawtype = "plantlike",
-	visual_scale = 1.0,
-	tiles = {"default_apple.png"},
-	inventory_image = "default_apple.png",
-	paramtype = "light",
-	sunlight_propagates = true,
-	walkable = false,
-	is_ground_content = true,
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.2, -0.5, -0.2, 0.2, 0, 0.2}
-	},
-	groups = {fleshy=3,dig_immediate=3,flammable=2,leafdecay=3,leafdecay_drop=1},
-	on_use = minetest.item_eat(1),
-	sounds = default.node_sound_leaves_defaults(),
-	after_place_node = function(pos, placer, itemstack)
-		if placer:is_player() then
-			minetest.set_node(pos, {name="default:apple", param2=1})
-		end
-	end,
-})
-
-minetest.register_node("default:dry_shrub", {
-	description = "Dry Shrub",
-	drawtype = "plantlike",
-	waving = 1,
-	visual_scale = 1.0,
-	tiles = {"default_dry_shrub.png"},
-	inventory_image = "default_dry_shrub.png",
-	wield_image = "default_dry_shrub.png",
-	paramtype = "light",
-	walkable = false,
-	is_ground_content = true,
-	buildable_to = true,
-	groups = {snappy=3,flammable=3,attached_node=1},
-	sounds = default.node_sound_leaves_defaults(),
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
-	},
-})
-
-minetest.register_node("default:grass_1", {
-	description = "Grass",
-	drawtype = "plantlike",
-	waving = 1,
-	tiles = {"default_grass_1.png"},
-	-- use a bigger inventory image
-	inventory_image = "default_grass_3.png",
-	wield_image = "default_grass_3.png",
-	paramtype = "light",
-	walkable = false,
-	is_ground_content = true,
-	buildable_to = true,
-	groups = {snappy=3,flammable=3,flora=1,attached_node=1},
-	sounds = default.node_sound_leaves_defaults(),
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
-	},
-	on_place = function(itemstack, placer, pointed_thing)
-		-- place a random grass node
-		local stack = ItemStack("default:grass_"..math.random(1,5))
-		local ret = minetest.item_place(stack, placer, pointed_thing)
-		return ItemStack("default:grass_1 "..itemstack:get_count()-(1-ret:get_count()))
-	end,
-})
-
-for i=2,5 do
-	minetest.register_node("default:grass_"..i, {
-		description = "Grass",
-		drawtype = "plantlike",
-		waving = 1,
-		tiles = {"default_grass_"..i..".png"},
-		inventory_image = "default_grass_"..i..".png",
-		wield_image = "default_grass_"..i..".png",
-		paramtype = "light",
-		walkable = false,
-		buildable_to = true,
-		is_ground_content = true,
-		drop = "default:grass_1",
-		groups = {snappy=3,flammable=3,flora=1,attached_node=1,not_in_creative_inventory=1},
-		sounds = default.node_sound_leaves_defaults(),
-		selection_box = {
-			type = "fixed",
-			fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
-		},
-	})
-end
-
-minetest.register_node("default:ice", {
-	description = "Ice",
-	tiles = {"default_ice.png"},
-	is_ground_content = true,
-	paramtype = "light",
-	groups = {cracky=3},
-	sounds = default.node_sound_glass_defaults(),
-})
-
-minetest.register_node("default:snow", {
-	description = "Snow",
-	tiles = {"default_snow.png"},
-	inventory_image = "default_snowball.png",
-	wield_image = "default_snowball.png",
-	is_ground_content = true,
-	paramtype = "light",
-	buildable_to = true,
-	drawtype = "nodebox",
-	node_box = {
-		type = "fixed",
-		fixed = {
-			{-0.5, -0.5, -0.5,  0.5, -0.5+2/16, 0.5},
-		},
-	},
-	groups = {crumbly=3,falling_node=1},
-	sounds = default.node_sound_dirt_defaults({
-		footstep = {name="default_snow_footstep", gain=0.25},
-		dug = {name="default_snow_footstep", gain=0.75},
-	}),
-	on_construct = function(pos)
-		pos.y = pos.y - 1
-		if minetest.get_node(pos).name == "default:dirt_with_grass" then
-			minetest.set_node(pos, {name="default:dirt_with_snow"})
-		end
-	end,
-})
-minetest.register_alias("snow", "default:snow")
-
-minetest.register_node("default:snowblock", {
-	description = "Snow Block",
-	tiles = {"default_snow.png"},
-	is_ground_content = true,
-	groups = {crumbly=3},
-	sounds = default.node_sound_dirt_defaults({
-		footstep = {name="default_snow_footstep", gain=0.25},
-		dug = {name="default_snow_footstep", gain=0.75},
-	}),
-})
-
-minetest.register_node("default:pine_needles",{
-	description = "Pine Needles",
-	drawtype = "allfaces_optional",
-	visual_scale = 1.3,
-	tiles = {"default_pine_needles.png"},
-	waving = 1,
-	paramtype = "light",
-	is_ground_content = false,
-	groups = {snappy=3, leafdecay=3, flammable=2, leaves=1},
-	drop = {
-		max_items = 1,
-		items = {
-			{
-				-- player will get sapling with 1/20 chance
-				items = {"default:pine_sapling"},
-				rarity = 20,
-			},
-			{
-				-- player will get leaves only if he get no saplings,
-				-- this is because max_items is 1
-				items = {"default:pine_needles"},
-			}
-		}
-	},
-	sounds = default.node_sound_leaves_defaults(),
-	after_place_node = default.after_place_leaves,
-})
-
-minetest.register_node("default:pine_sapling", {
-	description = "Pine Sapling",
-	drawtype = "plantlike",
-	visual_scale = 1.0,
-	tiles = {"default_pine_sapling.png"},
-	inventory_image = "default_pine_sapling.png",
-	wield_image = "default_pine_sapling.png",
-	paramtype = "light",
-	walkable = false,
-	is_ground_content = true,
-	selection_box = {
-		type = "fixed",
-		fixed = {-0.3, -0.5, -0.3, 0.3, 0.35, 0.3}
-	},
-	groups = {snappy=2,dig_immediate=3,flammable=2,attached_node=1,sapling=1},
-	sounds = default.node_sound_leaves_defaults(),
-})
-
-minetest.register_node("default:pinetree", {
-	description = "Pine Tree",
-	tiles = {"default_pinetree_top.png", "default_pinetree_top.png", "default_pinetree.png"},
-	paramtype2 = "facedir",
-	is_ground_content = false,
-	groups = {tree=1,choppy=2,oddly_breakable_by_hand=1,flammable=2},
-	sounds = default.node_sound_wood_defaults(),
-	on_place = minetest.rotate_node
-})
-
-minetest.register_node("default:pinewood", {
-	description = "Pinewood Planks",
-	tiles = {"default_pinewood.png"},
-	groups = {choppy=2,oddly_breakable_by_hand=2,flammable=3,wood=1},
-	sounds = default.node_sound_wood_defaults(),
-})
-