Sudoku 1.7.1 upload

README.txt

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+Minetest Game [minetest_game]
+=============================
+The main subgame for the Minetest engine
+========================================
+
+To use this subgame with the Minetest engine, insert this repository as
+	/games/minetest_game
+
+The Minetest engine can be found in:
+	https://github.com/minetest/minetest/
+
+Compatibility
+--------------
+The Minetest Game github master HEAD is generally compatible with the github
+master HEAD of the Minetest engine.
+
+Additionally, when the Minetest engine is tagged to be a certain version (eg.
+0.4.10), Minetest Game is tagged with the version too.
+
+When stable releases are made, Minetest Game is packaged and made available in
+	http://minetest.net/download
+and in case the repository has grown too much, it may be reset. In that sense,
+this is not a "real" git repository. (Package maintainers please note!)
+
+Licensing
+---------
+
+See LICENSE.txt

game.conf

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+name = Sudoku

mods/a_sudoku/init.lua

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+local digtime = 42
+local caps = {times = {digtime, digtime, digtime}, uses = 0, maxlevel = 256}
+
+minetest.register_item(":", {
+	type = "none",
+	wield_image = "wieldhand.png",
+	wield_scale = {x = 1, y = 1, z = 2.5},
+	range = 15,
+	tool_capabilities = {
+		full_punch_interval = 0.5,
+		max_drop_level = 3,
+		groupcaps = {
+			crumbly = caps,
+			cracky  = caps,
+			snappy  = caps,
+			choppy  = caps,
+			oddly_breakable_by_hand = caps,
+		},
+		damage_groups = {fleshy = 1},
+	}
+})

mods/beds/README.txt

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+Minetest Game mod: beds
+=======================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Originally by BlockMen (MIT)
+Various Minetest developers and contributors (MIT)
+
+Authors of media (textures)
+---------------------------
+BlockMen (CC BY-SA 3.0)
+
+This mod adds a bed to Minetest which allows to skip the night.
+To sleep, rightclick the bed. If playing in singleplayer mode the night gets skipped
+immediately. If playing multiplayer you get shown how many other players are in bed too,
+if all players are sleeping the night gets skipped. The night skip can be forced if more
+than 50% of the players are lying in bed and use this option.
+
+Another feature is a controlled respawning. If you have slept in bed (not just lying in
+it) your respawn point is set to the beds location and you will respawn there after
+death.
+You can disable the respawn at beds by setting "enable_bed_respawn = false" in
+minetest.conf.
+You can disable the night skip feature by setting "enable_bed_night_skip = false" in
+minetest.conf or by using the /set command in-game.

mods/beds/api.lua

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+
+local reverse = true
+
+local function destruct_bed(pos, n)
+	local node = minetest.get_node(pos)
+	local other
+
+	if n == 2 then
+		local dir = minetest.facedir_to_dir(node.param2)
+		other = vector.subtract(pos, dir)
+	elseif n == 1 then
+		local dir = minetest.facedir_to_dir(node.param2)
+		other = vector.add(pos, dir)
+	end
+
+	if reverse then
+		reverse = not reverse
+		minetest.remove_node(other)
+		minetest.check_for_falling(other)
+	else
+		reverse = not reverse
+	end
+end
+
+function beds.register_bed(name, def)
+	minetest.register_node(name .. "_bottom", {
+		description = def.description,
+		inventory_image = def.inventory_image,
+		wield_image = def.wield_image,
+		drawtype = "nodebox",
+		tiles = def.tiles.bottom,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		is_ground_content = false,
+		stack_max = 1,
+		groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3, bed = 1},
+		sounds = def.sounds or default.node_sound_wood_defaults(),
+		node_box = {
+			type = "fixed",
+			fixed = def.nodebox.bottom,
+		},
+		selection_box = {
+			type = "fixed",
+			fixed = def.selectionbox,
+		},
+
+		on_place = function(itemstack, placer, pointed_thing)
+			local under = pointed_thing.under
+			local node = minetest.get_node(under)
+			local udef = minetest.registered_nodes[node.name]
+			if udef and udef.on_rightclick and
+					not (placer and placer:get_player_control().sneak) then
+				return udef.on_rightclick(under, node, placer, itemstack,
+					pointed_thing) or itemstack
+			end
+
+			local pos
+			if minetest.registered_items[minetest.get_node(under).name].buildable_to then
+				pos = under
+			else
+				pos = pointed_thing.above
+			end
+
+			if minetest.is_protected(pos, placer:get_player_name()) and
+					not minetest.check_player_privs(placer, "protection_bypass") then
+				minetest.record_protection_violation(pos, placer:get_player_name())
+				return itemstack
+			end
+
+			local node_def = minetest.registered_nodes[minetest.get_node(pos).name]
+			if not node_def or not node_def.buildable_to then
+				return itemstack
+			end
+
+			local dir = minetest.dir_to_facedir(placer:get_look_dir())
+			local botpos = vector.add(pos, minetest.facedir_to_dir(dir))
+
+			if minetest.is_protected(botpos, placer:get_player_name()) and
+					not minetest.check_player_privs(placer, "protection_bypass") then
+				minetest.record_protection_violation(botpos, placer:get_player_name())
+				return itemstack
+			end
+
+			local botdef = minetest.registered_nodes[minetest.get_node(botpos).name]
+			if not botdef or not botdef.buildable_to then
+				return itemstack
+			end
+
+			minetest.set_node(pos, {name = name .. "_bottom", param2 = dir})
+			minetest.set_node(botpos, {name = name .. "_top", param2 = dir})
+
+			if not (creative and creative.is_enabled_for
+					and creative.is_enabled_for(placer:get_player_name())) then
+				itemstack:take_item()
+			end
+			return itemstack
+		end,
+
+		on_destruct = function(pos)
+			destruct_bed(pos, 1)
+		end,
+
+		on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
+			beds.on_rightclick(pos, clicker)
+			return itemstack
+		end,
+
+		on_rotate = function(pos, node, user, mode, new_param2)
+			local dir = minetest.facedir_to_dir(node.param2)
+			local p = vector.add(pos, dir)
+			local node2 = minetest.get_node_or_nil(p)
+			if not node2 or not minetest.get_item_group(node2.name, "bed") == 2 or
+					not node.param2 == node2.param2 then
+				return false
+			end
+			if minetest.is_protected(p, user:get_player_name()) then
+				minetest.record_protection_violation(p, user:get_player_name())
+				return false
+			end
+			if mode ~= screwdriver.ROTATE_FACE then
+				return false
+			end
+			local newp = vector.add(pos, minetest.facedir_to_dir(new_param2))
+			local node3 = minetest.get_node_or_nil(newp)
+			local node_def = node3 and minetest.registered_nodes[node3.name]
+			if not node_def or not node_def.buildable_to then
+				return false
+			end
+			if minetest.is_protected(newp, user:get_player_name()) then
+				minetest.record_protection_violation(newp, user:get_player_name())
+				return false
+			end
+			node.param2 = new_param2
+			-- do not remove_node here - it will trigger destroy_bed()
+			minetest.set_node(p, {name = "air"})
+			minetest.set_node(pos, node)
+			minetest.set_node(newp, {name = name .. "_top", param2 = new_param2})
+			return true
+		end,
+	})
+
+	minetest.register_node(name .. "_top", {
+		drawtype = "nodebox",
+		tiles = def.tiles.top,
+		paramtype = "light",
+		paramtype2 = "facedir",
+		is_ground_content = false,
+		pointable = false,
+		groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 3, bed = 2},
+		sounds = def.sounds or default.node_sound_wood_defaults(),
+		drop = name .. "_bottom",
+		node_box = {
+			type = "fixed",
+			fixed = def.nodebox.top,
+		},
+		on_destruct = function(pos)
+			destruct_bed(pos, 2)
+		end,
+	})
+
+	minetest.register_alias(name, name .. "_bottom")
+
+	minetest.register_craft({
+		output = name,
+		recipe = def.recipe
+	})
+end

mods/beds/beds.lua

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+-- Fancy shaped bed
+
+beds.register_bed("beds:fancy_bed", {
+	description = "Fancy Bed",
+	inventory_image = "beds_bed_fancy.png",
+	wield_image = "beds_bed_fancy.png",
+	tiles = {
+		bottom = {
+			"beds_bed_top1.png",
+			"default_wood.png",
+			"beds_bed_side1.png",
+			"beds_bed_side1.png^[transformFX",
+			"default_wood.png",
+			"beds_bed_foot.png",
+		},
+		top = {
+			"beds_bed_top2.png",
+			"default_wood.png",
+			"beds_bed_side2.png",
+			"beds_bed_side2.png^[transformFX",
+			"beds_bed_head.png",
+			"default_wood.png",
+		}
+	},
+	nodebox = {
+		bottom = {
+			{-0.5, -0.5, -0.5, -0.375, -0.065, -0.4375},
+			{0.375, -0.5, -0.5, 0.5, -0.065, -0.4375},
+			{-0.5, -0.375, -0.5, 0.5, -0.125, -0.4375},
+			{-0.5, -0.375, -0.5, -0.4375, -0.125, 0.5},
+			{0.4375, -0.375, -0.5, 0.5, -0.125, 0.5},
+			{-0.4375, -0.3125, -0.4375, 0.4375, -0.0625, 0.5},
+		},
+		top = {
+			{-0.5, -0.5, 0.4375, -0.375, 0.1875, 0.5},
+			{0.375, -0.5, 0.4375, 0.5, 0.1875, 0.5},
+			{-0.5, 0, 0.4375, 0.5, 0.125, 0.5},
+			{-0.5, -0.375, 0.4375, 0.5, -0.125, 0.5},
+			{-0.5, -0.375, -0.5, -0.4375, -0.125, 0.5},
+			{0.4375, -0.375, -0.5, 0.5, -0.125, 0.5},
+			{-0.4375, -0.3125, -0.5, 0.4375, -0.0625, 0.4375},
+		}
+	},
+	selectionbox = {-0.5, -0.5, -0.5, 0.5, 0.06, 1.5},
+	recipe = {
+		{"", "", "group:stick"},
+		{"wool:red", "wool:red", "wool:white"},
+		{"group:wood", "group:wood", "group:wood"},
+	},
+})
+
+-- Simple shaped bed
+
+beds.register_bed("beds:bed", {
+	description = "Simple Bed",
+	inventory_image = "beds_bed.png",
+	wield_image = "beds_bed.png",
+	tiles = {
+		bottom = {
+			"beds_bed_top_bottom.png^[transformR90",
+			"default_wood.png",
+			"beds_bed_side_bottom_r.png",
+			"beds_bed_side_bottom_r.png^[transformfx",
+			"beds_transparent.png",
+			"beds_bed_side_bottom.png"
+		},
+		top = {
+			"beds_bed_top_top.png^[transformR90",
+			"default_wood.png",
+			"beds_bed_side_top_r.png",
+			"beds_bed_side_top_r.png^[transformfx",
+			"beds_bed_side_top.png",
+			"beds_transparent.png",
+		}
+	},
+	nodebox = {
+		bottom = {-0.5, -0.5, -0.5, 0.5, 0.06, 0.5},
+		top = {-0.5, -0.5, -0.5, 0.5, 0.06, 0.5},
+	},
+	selectionbox = {-0.5, -0.5, -0.5, 0.5, 0.06, 1.5},
+	recipe = {
+		{"wool:red", "wool:red", "wool:white"},
+		{"group:wood", "group:wood", "group:wood"}
+	},
+})
+
+-- Aliases for PilzAdam's beds mod
+
+minetest.register_alias("beds:bed_bottom_red", "beds:bed_bottom")
+minetest.register_alias("beds:bed_top_red", "beds:bed_top")
+
+-- Fuel
+
+minetest.register_craft({
+	type = "fuel",
+	recipe = "beds:fancy_bed_bottom",
+	burntime = 13,
+})
+
+minetest.register_craft({
+	type = "fuel",
+	recipe = "beds:bed_bottom",
+	burntime = 12,
+})

mods/beds/depends.txt

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+default
+wool

mods/beds/functions.lua

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+local pi = math.pi
+local player_in_bed = 0
+local is_sp = minetest.is_singleplayer()
+local enable_respawn = minetest.settings:get_bool("enable_bed_respawn")
+if enable_respawn == nil then
+	enable_respawn = true
+end
+
+-- Helper functions
+
+local function get_look_yaw(pos)
+	local n = minetest.get_node(pos)
+	if n.param2 == 1 then
+		return pi / 2, n.param2
+	elseif n.param2 == 3 then
+		return -pi / 2, n.param2
+	elseif n.param2 == 0 then
+		return pi, n.param2
+	else
+		return 0, n.param2
+	end
+end
+
+local function is_night_skip_enabled()
+	local enable_night_skip = minetest.settings:get_bool("enable_bed_night_skip")
+	if enable_night_skip == nil then
+		enable_night_skip = true
+	end
+	return enable_night_skip
+end
+
+local function check_in_beds(players)
+	local in_bed = beds.player
+	if not players then
+		players = minetest.get_connected_players()
+	end
+
+	for n, player in ipairs(players) do
+		local name = player:get_player_name()
+		if not in_bed[name] then
+			return false
+		end
+	end
+
+	return #players > 0
+end
+
+local function lay_down(player, pos, bed_pos, state, skip)
+	local name = player:get_player_name()
+	local hud_flags = player:hud_get_flags()
+
+	if not player or not name then
+		return
+	end
+
+	-- stand up
+	if state ~= nil and not state then
+		local p = beds.pos[name] or nil
+		if beds.player[name] ~= nil then
+			beds.player[name] = nil
+			player_in_bed = player_in_bed - 1
+		end
+		-- skip here to prevent sending player specific changes (used for leaving players)
+		if skip then
+			return
+		end
+		if p then
+			player:setpos(p)
+		end
+
+		-- physics, eye_offset, etc
+		player:set_eye_offset({x = 0, y = 0, z = 0}, {x = 0, y = 0, z = 0})
+		player:set_look_horizontal(math.random(1, 180) / 100)
+		default.player_attached[name] = false
+		player:set_physics_override(1, 1, 1)
+		hud_flags.wielditem = true
+		default.player_set_animation(player, "stand" , 30)
+
+	-- lay down
+	else
+		beds.player[name] = 1
+		beds.pos[name] = pos
+		player_in_bed = player_in_bed + 1
+
+		-- physics, eye_offset, etc
+		player:set_eye_offset({x = 0, y = -13, z = 0}, {x = 0, y = 0, z = 0})
+		local yaw, param2 = get_look_yaw(bed_pos)
+		player:set_look_horizontal(yaw)
+		local dir = minetest.facedir_to_dir(param2)
+		local p = {x = bed_pos.x + dir.x / 2, y = bed_pos.y, z = bed_pos.z + dir.z / 2}
+		player:set_physics_override(0, 0, 0)
+		player:setpos(p)
+		default.player_attached[name] = true
+		hud_flags.wielditem = false
+		default.player_set_animation(player, "lay" , 0)
+	end
+
+	player:hud_set_flags(hud_flags)
+end
+
+local function update_formspecs(finished)
+	local ges = #minetest.get_connected_players()
+	local form_n
+	local is_majority = (ges / 2) < player_in_bed
+
+	if finished then
+		form_n = beds.formspec .. "label[2.7,11; Good morning.]"
+	else
+		form_n = beds.formspec .. "label[2.2,11;" .. tostring(player_in_bed) ..
+			" of " .. tostring(ges) .. " players are in bed]"
+		if is_majority and is_night_skip_enabled() then
+			form_n = form_n .. "button_exit[2,8;4,0.75;force;Force night skip]"
+		end
+	end
+
+	for name,_ in pairs(beds.player) do
+		minetest.show_formspec(name, "beds_form", form_n)
+	end
+end
+
+
+-- Public functions
+
+function beds.kick_players()
+	for name, _ in pairs(beds.player) do
+		local player = minetest.get_player_by_name(name)
+		lay_down(player, nil, nil, false)
+	end
+end
+
+function beds.skip_night()
+	minetest.set_timeofday(0.23)
+end
+
+function beds.on_rightclick(pos, player)
+	local name = player:get_player_name()
+	local ppos = player:getpos()
+	local tod = minetest.get_timeofday()
+
+	if tod > 0.2 and tod < 0.805 then
+		if beds.player[name] then
+			lay_down(player, nil, nil, false)
+		end
+		minetest.chat_send_player(name, "You can only sleep at night.")
+		return
+	end
+
+	-- move to bed
+	if not beds.player[name] then
+		lay_down(player, ppos, pos)
+		beds.set_spawns() -- save respawn positions when entering bed
+	else
+		lay_down(player, nil, nil, false)
+	end
+
+	if not is_sp then
+		update_formspecs(false)
+	end
+
+	-- skip the night and let all players stand up
+	if check_in_beds() then
+		minetest.after(2, function()
+			if not is_sp then
+				update_formspecs(is_night_skip_enabled())
+			end
+			if is_night_skip_enabled() then
+				beds.skip_night()
+				beds.kick_players()
+			end
+		end)
+	end
+end
+
+
+-- Callbacks
+-- Only register respawn callback if respawn enabled
+if enable_respawn then
+	-- respawn player at bed if enabled and valid position is found
+	minetest.register_on_respawnplayer(function(player)
+		local name = player:get_player_name()
+		local pos = beds.spawn[name]
+		if pos then
+			player:setpos(pos)
+			return true
+		end
+	end)
+end
+
+minetest.register_on_leaveplayer(function(player)
+	local name = player:get_player_name()
+	lay_down(player, nil, nil, false, true)
+	beds.player[name] = nil
+	if check_in_beds() then
+		minetest.after(2, function()
+			update_formspecs(is_night_skip_enabled())
+			if is_night_skip_enabled() then
+				beds.skip_night()
+				beds.kick_players()
+			end
+		end)
+	end
+end)
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if formname ~= "beds_form" then
+		return
+	end
+	if fields.quit or fields.leave then
+		lay_down(player, nil, nil, false)
+		update_formspecs(false)
+	end
+
+	if fields.force then
+		update_formspecs(is_night_skip_enabled())
+		if is_night_skip_enabled() then
+			beds.skip_night()
+			beds.kick_players()
+		end
+	end
+end)

mods/beds/init.lua

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+beds = {}
+beds.player = {}
+beds.pos = {}
+beds.spawn = {}
+
+beds.formspec = "size[8,15;true]" ..
+	"bgcolor[#080808BB; true]" ..
+	"button_exit[2,12;4,0.75;leave;Leave Bed]"
+
+local modpath = minetest.get_modpath("beds")
+
+-- Load files
+
+dofile(modpath .. "/functions.lua")
+dofile(modpath .. "/api.lua")
+dofile(modpath .. "/beds.lua")
+dofile(modpath .. "/spawns.lua")

mods/beds/license.txt

@@ -0,0 +1,60 @@
+License of source code
+----------------------
+
+The MIT License (MIT)
+Copyright (C) 2014-2016 BlockMen
+Copyright (C) 2014-2016 Various Minetest developers and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+For more details:
+https://opensource.org/licenses/MIT
+
+
+Licenses of media (textures)
+----------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2014-2016 BlockMen
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+ShareAlike — If you remix, transform, or build upon the material, you must distribute
+your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+
+For more details:
+http://creativecommons.org/licenses/by-sa/3.0/

mods/beds/spawns.lua

@@ -0,0 +1,63 @@
+local world_path = minetest.get_worldpath()
+local org_file = world_path .. "/beds_spawns"
+local file = world_path .. "/beds_spawns"
+local bkwd = false
+
+-- check for PA's beds mod spawns
+local cf = io.open(world_path .. "/beds_player_spawns", "r")
+if cf ~= nil then
+	io.close(cf)
+	file = world_path .. "/beds_player_spawns"
+	bkwd = true
+end
+
+function beds.read_spawns()
+	local spawns = beds.spawn
+	local input = io.open(file, "r")
+	if input and not bkwd then
+		repeat
+			local x = input:read("*n")
+			if x == nil then
+				break
+			end
+			local y = input:read("*n")
+			local z = input:read("*n")
+			local name = input:read("*l")
+			spawns[name:sub(2)] = {x = x, y = y, z = z}
+		until input:read(0) == nil
+		io.close(input)
+	elseif input and bkwd then
+		beds.spawn = minetest.deserialize(input:read("*all"))
+		input:close()
+		beds.save_spawns()
+		os.rename(file, file .. ".backup")
+		file = org_file
+	end
+end
+
+beds.read_spawns()
+
+function beds.save_spawns()
+	if not beds.spawn then
+		return
+	end
+	local data = {}
+	local output = io.open(org_file, "w")
+	for k, v in pairs(beds.spawn) do
+		table.insert(data, string.format("%.1f %.1f %.1f %s\n", v.x, v.y, v.z, k))
+	end
+	output:write(table.concat(data))
+	io.close(output)
+end
+
+function beds.set_spawns()
+	for name,_ in pairs(beds.player) do
+		local player = minetest.get_player_by_name(name)
+		local p = player:getpos()
+		-- but don't change spawn location if borrowing a bed
+		if not minetest.is_protected(p, name) then
+			beds.spawn[name] = p
+		end
+	end
+	beds.save_spawns()
+end

mods/boats/README.txt

@@ -0,0 +1,15 @@
+Minetest Game mod: boats
+========================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Originally by PilzAdam (MIT)
+Various Minetest developers and contributors (MIT)
+
+Authors of media (textures and model)
+-------------------------------------
+Textures: Zeg9 (CC BY-SA 3.0)
+Model: thetoon and Zeg9 (CC BY-SA 3.0),
+  modified by PavelS(SokolovPavel) (CC BY-SA 3.0),
+  modified by sofar (CC BY-SA 3.0)

mods/boats/depends.txt

@@ -0,0 +1 @@
+default

mods/boats/init.lua

@@ -0,0 +1,271 @@
+--
+-- Helper functions
+--
+
+local function is_water(pos)
+	local nn = minetest.get_node(pos).name
+	return minetest.get_item_group(nn, "water") ~= 0
+end
+
+
+local function get_sign(i)
+	if i == 0 then
+		return 0
+	else
+		return i / math.abs(i)
+	end
+end
+
+
+local function get_velocity(v, yaw, y)
+	local x = -math.sin(yaw) * v
+	local z =  math.cos(yaw) * v
+	return {x = x, y = y, z = z}
+end
+
+
+local function get_v(v)
+	return math.sqrt(v.x ^ 2 + v.z ^ 2)
+end
+
+--
+-- Boat entity
+--
+
+local boat = {
+	physical = true,
+	-- Warning: Do not change the position of the collisionbox top surface,
+	-- lowering it causes the boat to fall through the world if underwater
+	collisionbox = {-0.5, -0.35, -0.5, 0.5, 0.3, 0.5},
+	visual = "mesh",
+	mesh = "boats_boat.obj",
+	textures = {"default_wood.png"},
+
+	driver = nil,
+	v = 0,
+	last_v = 0,
+	removed = false
+}
+
+
+function boat.on_rightclick(self, clicker)
+	if not clicker or not clicker:is_player() then
+		return
+	end
+	local name = clicker:get_player_name()
+	if self.driver and clicker == self.driver then
+		self.driver = nil
+		clicker:set_detach()
+		default.player_attached[name] = false
+		default.player_set_animation(clicker, "stand" , 30)
+		local pos = clicker:getpos()
+		pos = {x = pos.x, y = pos.y + 0.2, z = pos.z}
+		minetest.after(0.1, function()
+			clicker:setpos(pos)
+		end)
+	elseif not self.driver then
+		local attach = clicker:get_attach()
+		if attach and attach:get_luaentity() then
+			local luaentity = attach:get_luaentity()
+			if luaentity.driver then
+				luaentity.driver = nil
+			end
+			clicker:set_detach()
+		end
+		self.driver = clicker
+		clicker:set_attach(self.object, "",
+			{x = 0, y = 11, z = -3}, {x = 0, y = 0, z = 0})
+		default.player_attached[name] = true
+		minetest.after(0.2, function()
+			default.player_set_animation(clicker, "sit" , 30)
+		end)
+		clicker:set_look_horizontal(self.object:getyaw())
+	end
+end
+
+
+function boat.on_activate(self, staticdata, dtime_s)
+	self.object:set_armor_groups({immortal = 1})
+	if staticdata then
+		self.v = tonumber(staticdata)
+	end
+	self.last_v = self.v
+end
+
+
+function boat.get_staticdata(self)
+	return tostring(self.v)
+end
+
+
+function boat.on_punch(self, puncher)
+	if not puncher or not puncher:is_player() or self.removed then
+		return
+	end
+	if self.driver and puncher == self.driver then
+		self.driver = nil
+		puncher:set_detach()
+		default.player_attached[puncher:get_player_name()] = false
+	end
+	if not self.driver then
+		self.removed = true
+		local inv = puncher:get_inventory()
+		if not (creative and creative.is_enabled_for
+				and creative.is_enabled_for(puncher:get_player_name()))
+				or not inv:contains_item("main", "boats:boat") then
+			local leftover = inv:add_item("main", "boats:boat")
+			-- if no room in inventory add a replacement boat to the world
+			if not leftover:is_empty() then
+				minetest.add_item(self.object:getpos(), leftover)
+			end
+		end
+		-- delay remove to ensure player is detached
+		minetest.after(0.1, function()
+			self.object:remove()
+		end)
+	end
+end
+
+
+function boat.on_step(self, dtime)
+	self.v = get_v(self.object:getvelocity()) * get_sign(self.v)
+	if self.driver then
+		local ctrl = self.driver:get_player_control()
+		local yaw = self.object:getyaw()
+		if ctrl.up then
+			self.v = self.v + 0.1
+		elseif ctrl.down then
+			self.v = self.v - 0.1
+		end
+		if ctrl.left then
+			if self.v < 0 then
+				self.object:setyaw(yaw - (1 + dtime) * 0.03)
+			else
+				self.object:setyaw(yaw + (1 + dtime) * 0.03)
+			end
+		elseif ctrl.right then
+			if self.v < 0 then
+				self.object:setyaw(yaw + (1 + dtime) * 0.03)
+			else
+				self.object:setyaw(yaw - (1 + dtime) * 0.03)
+			end
+		end
+	end
+	local velo = self.object:getvelocity()
+	if self.v == 0 and velo.x == 0 and velo.y == 0 and velo.z == 0 then
+		self.object:setpos(self.object:getpos())
+		return
+	end
+	local s = get_sign(self.v)
+	self.v = self.v - 0.02 * s
+	if s ~= get_sign(self.v) then
+		self.object:setvelocity({x = 0, y = 0, z = 0})
+		self.v = 0
+		return
+	end
+	if math.abs(self.v) > 5 then
+		self.v = 5 * get_sign(self.v)
+	end
+
+	local p = self.object:getpos()
+	p.y = p.y - 0.5
+	local new_velo
+	local new_acce = {x = 0, y = 0, z = 0}
+	if not is_water(p) then
+		local nodedef = minetest.registered_nodes[minetest.get_node(p).name]
+		if (not nodedef) or nodedef.walkable then
+			self.v = 0
+			new_acce = {x = 0, y = 1, z = 0}
+		else
+			new_acce = {x = 0, y = -9.8, z = 0}
+		end
+		new_velo = get_velocity(self.v, self.object:getyaw(),
+			self.object:getvelocity().y)
+		self.object:setpos(self.object:getpos())
+	else
+		p.y = p.y + 1
+		if is_water(p) then
+			local y = self.object:getvelocity().y
+			if y >= 5 then
+				y = 5
+			elseif y < 0 then
+				new_acce = {x = 0, y = 20, z = 0}
+			else
+				new_acce = {x = 0, y = 5, z = 0}
+			end
+			new_velo = get_velocity(self.v, self.object:getyaw(), y)
+			self.object:setpos(self.object:getpos())
+		else
+			new_acce = {x = 0, y = 0, z = 0}
+			if math.abs(self.object:getvelocity().y) < 1 then
+				local pos = self.object:getpos()
+				pos.y = math.floor(pos.y) + 0.5
+				self.object:setpos(pos)
+				new_velo = get_velocity(self.v, self.object:getyaw(), 0)
+			else
+				new_velo = get_velocity(self.v, self.object:getyaw(),
+					self.object:getvelocity().y)
+				self.object:setpos(self.object:getpos())
+			end
+		end
+	end
+	self.object:setvelocity(new_velo)
+	self.object:setacceleration(new_acce)
+end
+
+
+minetest.register_entity("boats:boat", boat)
+
+
+minetest.register_craftitem("boats:boat", {
+	description = "Boat",
+	inventory_image = "boats_inventory.png",
+	wield_image = "boats_wield.png",
+	wield_scale = {x = 2, y = 2, z = 1},
+	liquids_pointable = true,
+	groups = {flammable = 2},
+
+	on_place = function(itemstack, placer, pointed_thing)
+		local under = pointed_thing.under
+		local node = minetest.get_node(under)
+		local udef = minetest.registered_nodes[node.name]
+		if udef and udef.on_rightclick and
+				not (placer and placer:get_player_control().sneak) then
+			return udef.on_rightclick(under, node, placer, itemstack,
+				pointed_thing) or itemstack
+		end
+
+		if pointed_thing.type ~= "node" then
+			return itemstack
+		end
+		if not is_water(pointed_thing.under) then
+			return itemstack
+		end
+		pointed_thing.under.y = pointed_thing.under.y + 0.5
+		boat = minetest.add_entity(pointed_thing.under, "boats:boat")
+		if boat then
+			boat:setyaw(placer:get_look_horizontal())
+			if not (creative and creative.is_enabled_for
+					and creative.is_enabled_for(placer:get_player_name())) then
+				itemstack:take_item()
+			end
+		end
+		return itemstack
+	end,
+})
+
+
+minetest.register_craft({
+	output = "boats:boat",
+	recipe = {
+		{"",           "",           ""          },
+		{"group:wood", "",           "group:wood"},
+		{"group:wood", "group:wood", "group:wood"},
+	},
+})
+
+minetest.register_craft({
+	type = "fuel",
+	recipe = "boats:boat",
+	burntime = 20,
+})

mods/boats/license.txt

@@ -0,0 +1,63 @@
+License of source code
+----------------------
+
+The MIT License (MIT)
+Copyright (C) 2012-2016 PilzAdam
+Copyright (C) 2012-2016 Various Minetest developers and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+For more details:
+https://opensource.org/licenses/MIT
+
+
+Licenses of media (textures and model)
+--------------------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2012-2016 Zeg9
+Copyright (C) 2012-2016 thetoon
+Copyright (C) 2012-2016 PavelS(SokolovPavel)
+Copyright (C) 2016 sofar (sofar@foo-projects.org)
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+ShareAlike — If you remix, transform, or build upon the material, you must distribute
+your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+
+For more details:
+http://creativecommons.org/licenses/by-sa/3.0/

mods/boats/models/boats_boat.obj

@@ -0,0 +1,358 @@
+# Blender v2.76 (sub 11) OBJ File: 'boat.blend'
+# www.blender.org
+mtllib boat.mtl
+o boats_boat
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mods/bones/README.txt

@@ -0,0 +1,12 @@
+Minetest Game mod: bones
+========================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Originally by PilzAdam (MIT)
+Various Minetest developers and contributors (MIT)
+
+Authors of media (textures)
+---------------------------
+All textures: paramat (CC BY-SA 3.0)

mods/bones/depends.txt

@@ -0,0 +1 @@
+default

mods/bones/init.lua

@@ -0,0 +1,249 @@
+-- Minetest 0.4 mod: bones
+-- See README.txt for licensing and other information.
+
+local function is_owner(pos, name)
+	local owner = minetest.get_meta(pos):get_string("owner")
+	if owner == "" or owner == name or minetest.check_player_privs(name, "protection_bypass") then
+		return true
+	end
+	return false
+end
+
+local bones_formspec =
+	"size[8,9]" ..
+	default.gui_bg ..
+	default.gui_bg_img ..
+	default.gui_slots ..
+	"list[current_name;main;0,0.3;8,4;]" ..
+	"list[current_player;main;0,4.85;8,1;]" ..
+	"list[current_player;main;0,6.08;8,3;8]" ..
+	"listring[current_name;main]" ..
+	"listring[current_player;main]" ..
+	default.get_hotbar_bg(0,4.85)
+
+local share_bones_time = tonumber(minetest.settings:get("share_bones_time")) or 1200
+local share_bones_time_early = tonumber(minetest.settings:get("share_bones_time_early")) or share_bones_time / 4
+
+minetest.register_node("bones:bones", {
+	description = "Bones",
+	tiles = {
+		"bones_top.png^[transform2",
+		"bones_bottom.png",
+		"bones_side.png",
+		"bones_side.png",
+		"bones_rear.png",
+		"bones_front.png"
+	},
+	paramtype2 = "facedir",
+	groups = {dig_immediate = 2},
+	sounds = default.node_sound_gravel_defaults(),
+
+	can_dig = function(pos, player)
+		local inv = minetest.get_meta(pos):get_inventory()
+		local name = ""
+		if player then
+			name = player:get_player_name()
+		end
+		return is_owner(pos, name) and inv:is_empty("main")
+	end,
+
+	allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+		if is_owner(pos, player:get_player_name()) then
+			return count
+		end
+		return 0
+	end,
+
+	allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+		return 0
+	end,
+
+	allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+		if is_owner(pos, player:get_player_name()) then
+			return stack:get_count()
+		end
+		return 0
+	end,
+
+	on_metadata_inventory_take = function(pos, listname, index, stack, player)
+		local meta = minetest.get_meta(pos)
+		if meta:get_inventory():is_empty("main") then
+			minetest.remove_node(pos)
+		end
+	end,
+
+	on_punch = function(pos, node, player)
+		if not is_owner(pos, player:get_player_name()) then
+			return
+		end
+
+		if minetest.get_meta(pos):get_string("infotext") == "" then
+			return
+		end
+
+		local inv = minetest.get_meta(pos):get_inventory()
+		local player_inv = player:get_inventory()
+		local has_space = true
+
+		for i = 1, inv:get_size("main") do
+			local stk = inv:get_stack("main", i)
+			if player_inv:room_for_item("main", stk) then
+				inv:set_stack("main", i, nil)
+				player_inv:add_item("main", stk)
+			else
+				has_space = false
+				break
+			end
+		end
+
+		-- remove bones if player emptied them
+		if has_space then
+			if player_inv:room_for_item("main", {name = "bones:bones"}) then
+				player_inv:add_item("main", {name = "bones:bones"})
+			else
+				minetest.add_item(pos,"bones:bones")
+			end
+			minetest.remove_node(pos)
+		end
+	end,
+
+	on_timer = function(pos, elapsed)
+		local meta = minetest.get_meta(pos)
+		local time = meta:get_int("time") + elapsed
+		if time >= share_bones_time then
+			meta:set_string("infotext", meta:get_string("owner") .. "'s old bones")
+			meta:set_string("owner", "")
+		else
+			meta:set_int("time", time)
+			return true
+		end
+	end,
+	on_blast = function(pos)
+	end,
+})
+
+local function may_replace(pos, player)
+	local node_name = minetest.get_node(pos).name
+	local node_definition = minetest.registered_nodes[node_name]
+
+	-- if the node is unknown, we return false
+	if not node_definition then
+		return false
+	end
+
+	-- allow replacing air and liquids
+	if node_name == "air" or node_definition.liquidtype ~= "none" then
+		return true
+	end
+
+	-- don't replace filled chests and other nodes that don't allow it
+	local can_dig_func = node_definition.can_dig
+	if can_dig_func and not can_dig_func(pos, player) then
+		return false
+	end
+
+	-- default to each nodes buildable_to; if a placed block would replace it, why shouldn't bones?
+	-- flowers being squished by bones are more realistical than a squished stone, too
+	-- exception are of course any protected buildable_to
+	return node_definition.buildable_to and not minetest.is_protected(pos, player:get_player_name())
+end
+
+local drop = function(pos, itemstack)
+	local obj = minetest.add_item(pos, itemstack:take_item(itemstack:get_count()))
+	if obj then
+		obj:setvelocity({
+			x = math.random(-10, 10) / 9,
+			y = 5,
+			z = math.random(-10, 10) / 9,
+		})
+	end
+end
+
+minetest.register_on_dieplayer(function(player)
+
+	local bones_mode = minetest.settings:get("bones_mode") or "bones"
+	if bones_mode ~= "bones" and bones_mode ~= "drop" and bones_mode ~= "keep" then
+		bones_mode = "bones"
+	end
+
+	-- return if keep inventory set or in creative mode
+	if bones_mode == "keep" or (creative and creative.is_enabled_for
+			and creative.is_enabled_for(player:get_player_name())) then
+		return
+	end
+
+	local player_inv = player:get_inventory()
+	if player_inv:is_empty("main") and
+		player_inv:is_empty("craft") then
+		return
+	end
+
+	local pos = vector.round(player:getpos())
+	local player_name = player:get_player_name()
+
+	-- check if it's possible to place bones, if not find space near player
+	if bones_mode == "bones" and not may_replace(pos, player) then
+		local air = minetest.find_node_near(pos, 1, {"air"})
+		if air and not minetest.is_protected(air, player_name) then
+			pos = air
+		else
+			bones_mode = "drop"
+		end
+	end
+
+	if bones_mode == "drop" then
+
+		-- drop inventory items
+		for i = 1, player_inv:get_size("main") do
+			drop(pos, player_inv:get_stack("main", i))
+		end
+		player_inv:set_list("main", {})
+
+		-- drop crafting grid items
+		for i = 1, player_inv:get_size("craft") do
+			drop(pos, player_inv:get_stack("craft", i))
+		end
+		player_inv:set_list("craft", {})
+
+		drop(pos, ItemStack("bones:bones"))
+		return
+	end
+
+	local param2 = minetest.dir_to_facedir(player:get_look_dir())
+	minetest.set_node(pos, {name = "bones:bones", param2 = param2})
+
+	local meta = minetest.get_meta(pos)
+	local inv = meta:get_inventory()
+	inv:set_size("main", 8 * 4)
+	inv:set_list("main", player_inv:get_list("main"))
+
+	for i = 1, player_inv:get_size("craft") do
+		local stack = player_inv:get_stack("craft", i)
+		if inv:room_for_item("main", stack) then
+			inv:add_item("main", stack)
+		else
+			--drop if no space left
+			drop(pos, stack)
+		end
+	end
+
+	player_inv:set_list("main", {})
+	player_inv:set_list("craft", {})
+
+	meta:set_string("formspec", bones_formspec)
+	meta:set_string("owner", player_name)
+
+	if share_bones_time ~= 0 then
+		meta:set_string("infotext", player_name .. "'s fresh bones")
+
+		if share_bones_time_early == 0 or not minetest.is_protected(pos, player_name) then
+			meta:set_int("time", 0)
+		else
+			meta:set_int("time", (share_bones_time - share_bones_time_early))
+		end
+
+		minetest.get_node_timer(pos):start(10)
+	else
+		meta:set_string("infotext", player_name.."'s bones")
+	end
+end)

mods/bones/license.txt

@@ -0,0 +1,58 @@
+License of source code
+----------------------
+
+The MIT License (MIT)
+Copyright (C) 2012-2016 PilzAdam
+Copyright (C) 2012-2016 Various Minetest developers and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+For more details:
+https://opensource.org/licenses/MIT
+
+
+Licenses of media (textures)
+----------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2016 paramat
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+ShareAlike — If you remix, transform, or build upon the material, you must distribute
+your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+

mods/bucket/README.txt

@@ -0,0 +1,13 @@
+Minetest Game mod: bucket
+=========================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Kahrl <kahrl@gmx.net> (LGPL 2.1)
+celeron55, Perttu Ahola <celeron55@gmail.com> (LGPL 2.1)
+Various Minetest developers and contributors (LGPL 2.1)
+
+Authors of media (textures)
+---------------------------
+ElementW (CC BY-SA 3.0)

mods/bucket/depends.txt

@@ -0,0 +1,2 @@
+default
+

mods/bucket/init.lua

@@ -0,0 +1,215 @@
+-- Minetest 0.4 mod: bucket
+-- See README.txt for licensing and other information.
+
+minetest.register_alias("bucket", "bucket:bucket_empty")
+minetest.register_alias("bucket_water", "bucket:bucket_water")
+minetest.register_alias("bucket_lava", "bucket:bucket_lava")
+
+minetest.register_craft({
+	output = 'bucket:bucket_empty 1',
+	recipe = {
+		{'default:steel_ingot', '', 'default:steel_ingot'},
+		{'', 'default:steel_ingot', ''},
+	}
+})
+
+bucket = {}
+bucket.liquids = {}
+
+local function check_protection(pos, name, text)
+	if minetest.is_protected(pos, name) then
+		minetest.log("action", (name ~= "" and name or "A mod")
+			.. " tried to " .. text
+			.. " at protected position "
+			.. minetest.pos_to_string(pos)
+			.. " with a bucket")
+		minetest.record_protection_violation(pos, name)
+		return true
+	end
+	return false
+end
+
+-- Register a new liquid
+--    source = name of the source node
+--    flowing = name of the flowing node
+--    itemname = name of the new bucket item (or nil if liquid is not takeable)
+--    inventory_image = texture of the new bucket item (ignored if itemname == nil)
+--    name = text description of the bucket item
+--    groups = (optional) groups of the bucket item, for example {water_bucket = 1}
+--    force_renew = (optional) bool. Force the liquid source to renew if it has a
+--                  source neighbour, even if defined as 'liquid_renewable = false'.
+--                  Needed to avoid creating holes in sloping rivers.
+-- This function can be called from any mod (that depends on bucket).
+function bucket.register_liquid(source, flowing, itemname, inventory_image, name,
+		groups, force_renew)
+	bucket.liquids[source] = {
+		source = source,
+		flowing = flowing,
+		itemname = itemname,
+		force_renew = force_renew,
+	}
+	bucket.liquids[flowing] = bucket.liquids[source]
+
+	if itemname ~= nil then
+		minetest.register_craftitem(itemname, {
+			description = name,
+			inventory_image = inventory_image,
+			stack_max = 1,
+			liquids_pointable = true,
+			groups = groups,
+
+			on_place = function(itemstack, user, pointed_thing)
+				-- Must be pointing to node
+				if pointed_thing.type ~= "node" then
+					return
+				end
+
+				local node = minetest.get_node_or_nil(pointed_thing.under)
+				local ndef = node and minetest.registered_nodes[node.name]
+
+				-- Call on_rightclick if the pointed node defines it
+				if ndef and ndef.on_rightclick and
+				   user and not user:get_player_control().sneak then
+					return ndef.on_rightclick(
+						pointed_thing.under,
+						node, user,
+						itemstack)
+				end
+
+				local lpos
+
+				-- Check if pointing to a buildable node
+				if ndef and ndef.buildable_to then
+					-- buildable; replace the node
+					lpos = pointed_thing.under
+				else
+					-- not buildable to; place the liquid above
+					-- check if the node above can be replaced
+
+					lpos = pointed_thing.above
+					node = minetest.get_node_or_nil(lpos)
+					local above_ndef = node and minetest.registered_nodes[node.name]
+
+					if not above_ndef or not above_ndef.buildable_to then
+						-- do not remove the bucket with the liquid
+						return itemstack
+					end
+				end
+
+				if check_protection(lpos, user
+						and user:get_player_name()
+						or "", "place "..source) then
+					return
+				end
+
+				minetest.set_node(lpos, {name = source})
+				return ItemStack("bucket:bucket_empty")
+			end
+		})
+	end
+end
+
+minetest.register_craftitem("bucket:bucket_empty", {
+	description = "Empty Bucket",
+	inventory_image = "bucket.png",
+	stack_max = 99,
+	liquids_pointable = true,
+	on_use = function(itemstack, user, pointed_thing)
+		if pointed_thing.type == "object" then
+			pointed_thing.ref:punch(user, 1.0, { full_punch_interval=1.0 }, nil)
+			return user:get_wielded_item()
+		elseif pointed_thing.type ~= "node" then
+			-- do nothing if it's neither object nor node
+			return
+		end
+		-- Check if pointing to a liquid source
+		local node = minetest.get_node(pointed_thing.under)
+		local liquiddef = bucket.liquids[node.name]
+		local item_count = user:get_wielded_item():get_count()
+
+		if liquiddef ~= nil
+		and liquiddef.itemname ~= nil
+		and node.name == liquiddef.source then
+			if check_protection(pointed_thing.under,
+					user:get_player_name(),
+					"take ".. node.name) then
+				return
+			end
+
+			-- default set to return filled bucket
+			local giving_back = liquiddef.itemname
+
+			-- check if holding more than 1 empty bucket
+			if item_count > 1 then
+
+				-- if space in inventory add filled bucked, otherwise drop as item
+				local inv = user:get_inventory()
+				if inv:room_for_item("main", {name=liquiddef.itemname}) then
+					inv:add_item("main", liquiddef.itemname)
+				else
+					local pos = user:getpos()
+					pos.y = math.floor(pos.y + 0.5)
+					minetest.add_item(pos, liquiddef.itemname)
+				end
+
+				-- set to return empty buckets minus 1
+				giving_back = "bucket:bucket_empty "..tostring(item_count-1)
+
+			end
+
+			-- force_renew requires a source neighbour
+			local source_neighbor = false
+			if liquiddef.force_renew then
+				source_neighbor =
+					minetest.find_node_near(pointed_thing.under, 1, liquiddef.source)
+			end
+			if not (source_neighbor and liquiddef.force_renew) then
+				minetest.add_node(pointed_thing.under, {name = "air"})
+			end
+
+			return ItemStack(giving_back)
+		else
+			-- non-liquid nodes will have their on_punch triggered
+			local node_def = minetest.registered_nodes[node.name]
+			if node_def then
+				node_def.on_punch(pointed_thing.under, node, user, pointed_thing)
+			end
+			return user:get_wielded_item()
+		end
+	end,
+})
+
+bucket.register_liquid(
+	"default:water_source",
+	"default:water_flowing",
+	"bucket:bucket_water",
+	"bucket_water.png",
+	"Water Bucket",
+	{water_bucket = 1}
+)
+
+bucket.register_liquid(
+	"default:river_water_source",
+	"default:river_water_flowing",
+	"bucket:bucket_river_water",
+	"bucket_river_water.png",
+	"River Water Bucket",
+	{water_bucket = 1},
+	true
+)
+
+bucket.register_liquid(
+	"default:lava_source",
+	"default:lava_flowing",
+	"bucket:bucket_lava",
+	"bucket_lava.png",
+	"Lava Bucket"
+)
+
+minetest.register_craft({
+	type = "fuel",
+	recipe = "bucket:bucket_lava",
+	burntime = 60,
+	replacements = {{"bucket:bucket_lava", "bucket:bucket_empty"}},
+})
+

mods/bucket/license.txt

@@ -0,0 +1,51 @@
+License of source code
+----------------------
+
+GNU Lesser General Public License, version 2.1
+Copyright (C) 2011-2016 Kahrl <kahrl@gmx.net>
+Copyright (C) 2011-2016 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2011-2016 Various Minetest developers and contributors
+
+This program is free software; you can redistribute it and/or modify it under the terms
+of the GNU Lesser General Public License as published by the Free Software Foundation;
+either version 2.1 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU Lesser General Public License for more details:
+https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
+
+
+Licenses of media (textures)
+----------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2015-2016 ElementW
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+ShareAlike — If you remix, transform, or build upon the material, you must distribute
+your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+
+For more details:
+http://creativecommons.org/licenses/by-sa/3.0/

mods/carts/README.txt

@@ -0,0 +1,22 @@
+Carts (formerly boost_cart)
+==========================
+
+Carts, based almost entirely on the mod boost_cart [1], which
+itself is based on (and fully compatible with) the carts mod [2].
+
+The model was originally designed by stujones11 [3] (CC-0).
+
+Cart textures are based on original work from PixelBOX (WTFPL).
+
+
+[1] https://github.com/SmallJoker/boost_cart/
+[2] https://github.com/PilzAdam/carts/
+[3] https://github.com/stujones11/railcart/
+
+
+Features
+----------
+- A fast cart for your railway or roller coaster (up to 7 m/s!)
+- Boost and brake rails
+- Rail junction switching with the 'right-left' walking keys
+- Handbrake with the 'back' key

mods/carts/cart_entity.lua

@@ -0,0 +1,403 @@
+local cart_entity = {
+	physical = false, -- otherwise going uphill breaks
+	collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
+	visual = "mesh",
+	mesh = "carts_cart.b3d",
+	visual_size = {x=1, y=1},
+	textures = {"carts_cart.png"},
+
+	driver = nil,
+	punched = false, -- used to re-send velocity and position
+	velocity = {x=0, y=0, z=0}, -- only used on punch
+	old_dir = {x=1, y=0, z=0}, -- random value to start the cart on punch
+	old_pos = nil,
+	old_switch = 0,
+	railtype = nil,
+	attached_items = {}
+}
+
+function cart_entity:on_rightclick(clicker)
+	if not clicker or not clicker:is_player() then
+		return
+	end
+	local player_name = clicker:get_player_name()
+	if self.driver and player_name == self.driver then
+		self.driver = nil
+		carts:manage_attachment(clicker, nil)
+	elseif not self.driver then
+		self.driver = player_name
+		carts:manage_attachment(clicker, self.object)
+	end
+end
+
+function cart_entity:on_activate(staticdata, dtime_s)
+	self.object:set_armor_groups({immortal=1})
+	if string.sub(staticdata, 1, string.len("return")) ~= "return" then
+		return
+	end
+	local data = minetest.deserialize(staticdata)
+	if not data or type(data) ~= "table" then
+		return
+	end
+	self.railtype = data.railtype
+	if data.old_dir then
+		self.old_dir = data.old_dir
+	end
+	if data.old_vel then
+		self.old_vel = data.old_vel
+	end
+end
+
+function cart_entity:get_staticdata()
+	return minetest.serialize({
+		railtype = self.railtype,
+		old_dir = self.old_dir,
+		old_vel = self.old_vel
+	})
+end
+
+function cart_entity:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
+	local pos = self.object:getpos()
+	if not self.railtype then
+		local node = minetest.get_node(pos).name
+		self.railtype = minetest.get_item_group(node, "connect_to_raillike")
+	end
+	-- Punched by non-player
+	if not puncher or not puncher:is_player() then
+		local cart_dir = carts:get_rail_direction(pos, self.old_dir, nil, nil, self.railtype)
+		if vector.equals(cart_dir, {x=0, y=0, z=0}) then
+			return
+		end
+		self.velocity = vector.multiply(cart_dir, 2)
+		self.punched = true
+		return
+	end
+	-- Player digs cart by sneak-punch
+	if puncher:get_player_control().sneak then
+		if self.sound_handle then
+			minetest.sound_stop(self.sound_handle)
+		end
+		-- Detach driver and items
+		if self.driver then
+			if self.old_pos then
+				self.object:setpos(self.old_pos)
+			end
+			local player = minetest.get_player_by_name(self.driver)
+			carts:manage_attachment(player, nil)
+		end
+		for _,obj_ in ipairs(self.attached_items) do
+			if obj_ then
+				obj_:set_detach()
+			end
+		end
+		-- Pick up cart
+		local inv = puncher:get_inventory()
+		if not (creative and creative.is_enabled_for
+				and creative.is_enabled_for(puncher:get_player_name()))
+				or not inv:contains_item("main", "carts:cart") then
+			local leftover = inv:add_item("main", "carts:cart")
+			-- If no room in inventory add a replacement cart to the world
+			if not leftover:is_empty() then
+				minetest.add_item(self.object:getpos(), leftover)
+			end
+		end
+		self.object:remove()
+		return
+	end
+	-- Player punches cart to alter velocity
+	local vel = self.object:getvelocity()
+	if puncher:get_player_name() == self.driver then
+		if math.abs(vel.x + vel.z) > carts.punch_speed_max then
+			return
+		end
+	end
+
+	local punch_dir = carts:velocity_to_dir(puncher:get_look_dir())
+	punch_dir.y = 0
+	local cart_dir = carts:get_rail_direction(pos, punch_dir, nil, nil, self.railtype)
+	if vector.equals(cart_dir, {x=0, y=0, z=0}) then
+		return
+	end
+
+	local punch_interval = 1
+	if tool_capabilities and tool_capabilities.full_punch_interval then
+		punch_interval = tool_capabilities.full_punch_interval
+	end
+	time_from_last_punch = math.min(time_from_last_punch or punch_interval, punch_interval)
+	local f = 2 * (time_from_last_punch / punch_interval)
+
+	self.velocity = vector.multiply(cart_dir, f)
+	self.old_dir = cart_dir
+	self.punched = true
+end
+
+local function rail_on_step_event(handler, obj, dtime)
+	if handler then
+		handler(obj, dtime)
+	end
+end
+
+-- sound refresh interval = 1.0sec
+local function rail_sound(self, dtime)
+	if not self.sound_ttl then
+		self.sound_ttl = 1.0
+		return
+	elseif self.sound_ttl > 0 then
+		self.sound_ttl = self.sound_ttl - dtime
+		return
+	end
+	self.sound_ttl = 1.0
+	if self.sound_handle then
+		local handle = self.sound_handle
+		self.sound_handle = nil
+		minetest.after(0.2, minetest.sound_stop, handle)
+	end
+	local vel = self.object:getvelocity()
+	local speed = vector.length(vel)
+	if speed > 0 then
+		self.sound_handle = minetest.sound_play(
+			"carts_cart_moving", {
+			object = self.object,
+			gain = (speed / carts.speed_max) / 2,
+			loop = true,
+		})
+	end
+end
+
+local function get_railparams(pos)
+	local node = minetest.get_node(pos)
+	return carts.railparams[node.name] or {}
+end
+
+local function rail_on_step(self, dtime)
+	local vel = self.object:getvelocity()
+	if self.punched then
+		vel = vector.add(vel, self.velocity)
+		self.object:setvelocity(vel)
+		self.old_dir.y = 0
+	elseif vector.equals(vel, {x=0, y=0, z=0}) then
+		return
+	end
+
+	local pos = self.object:getpos()
+	local update = {}
+
+	-- stop cart if velocity vector flips
+	if self.old_vel and self.old_vel.y == 0 and
+			(self.old_vel.x * vel.x < 0 or self.old_vel.z * vel.z < 0) then
+		self.old_vel = {x = 0, y = 0, z = 0}
+		self.old_pos = pos
+		self.object:setvelocity(vector.new())
+		self.object:setacceleration(vector.new())
+		rail_on_step_event(get_railparams(pos).on_step, self, dtime)
+		return
+	end
+	self.old_vel = vector.new(vel)
+
+	if self.old_pos and not self.punched then
+		local flo_pos = vector.round(pos)
+		local flo_old = vector.round(self.old_pos)
+		if vector.equals(flo_pos, flo_old) then
+			-- Do not check one node multiple times
+			return
+		end
+	end
+
+	local ctrl, player
+
+	-- Get player controls
+	if self.driver then
+		player = minetest.get_player_by_name(self.driver)
+		if player then
+			ctrl = player:get_player_control()
+		end
+	end
+
+	if self.old_pos then
+		-- Detection for "skipping" nodes
+		local found_path = carts:pathfinder(
+			pos, self.old_pos, self.old_dir, ctrl, self.old_switch, self.railtype
+		)
+
+		if not found_path then
+			-- No rail found: reset back to the expected position
+			pos = vector.new(self.old_pos)
+			update.pos = true
+		end
+	end
+
+	local cart_dir = carts:velocity_to_dir(vel)
+	local railparams
+
+	-- dir:         New moving direction of the cart
+	-- switch_keys: Currently pressed L/R key, used to ignore the key on the next rail node
+	local dir, switch_keys = carts:get_rail_direction(
+		pos, cart_dir, ctrl, self.old_switch, self.railtype
+	)
+
+	local new_acc = {x=0, y=0, z=0}
+	if vector.equals(dir, {x=0, y=0, z=0}) then
+		vel = {x = 0, y = 0, z = 0}
+		pos = vector.round(pos)
+		update.pos = true
+		update.vel = true
+	else
+		-- Direction change detected
+		if not vector.equals(dir, self.old_dir) then
+			vel = vector.multiply(dir, math.abs(vel.x + vel.z))
+			update.vel = true
+			if dir.y ~= self.old_dir.y then
+				pos = vector.round(pos)
+				update.pos = true
+			end
+		end
+		-- Center on the rail
+		if dir.z ~= 0 and math.floor(pos.x + 0.5) ~= pos.x then
+			pos.x = math.floor(pos.x + 0.5)
+			update.pos = true
+		end
+		if dir.x ~= 0 and math.floor(pos.z + 0.5) ~= pos.z then
+			pos.z = math.floor(pos.z + 0.5)
+			update.pos = true
+		end
+
+		-- Slow down or speed up..
+		local acc = dir.y * -4.0
+
+		-- Get rail for corrected position
+		railparams = get_railparams(pos)
+
+		-- no need to check for railparams == nil since we always make it exist.
+		local speed_mod = railparams.acceleration
+		if speed_mod and speed_mod ~= 0 then
+			-- Try to make it similar to the original carts mod
+			acc = acc + speed_mod
+		else
+			-- Handbrake or coast
+			if ctrl and ctrl.down then
+				acc = acc - 3
+			else
+				acc = acc - 0.4
+			end
+		end
+
+		new_acc = vector.multiply(dir, acc)
+	end
+
+	-- Limits
+	local max_vel = carts.speed_max
+	for _, v in pairs({"x","y","z"}) do
+		if math.abs(vel[v]) > max_vel then
+			vel[v] = carts:get_sign(vel[v]) * max_vel
+			new_acc[v] = 0
+			update.vel = true
+		end
+	end
+
+	self.object:setacceleration(new_acc)
+	self.old_pos = vector.new(pos)
+	if not vector.equals(dir, {x=0, y=0, z=0}) then
+		self.old_dir = vector.new(dir)
+	end
+	self.old_switch = switch_keys
+
+	if self.punched then
+		-- Collect dropped items
+		for _, obj_ in pairs(minetest.get_objects_inside_radius(pos, 1)) do
+			if not obj_:is_player() and
+					obj_:get_luaentity() and
+					not obj_:get_luaentity().physical_state and
+					obj_:get_luaentity().name == "__builtin:item" then
+
+				obj_:set_attach(self.object, "", {x=0, y=0, z=0}, {x=0, y=0, z=0})
+				self.attached_items[#self.attached_items + 1] = obj_
+			end
+		end
+		self.punched = false
+		update.vel = true
+	end
+
+	railparams = railparams or get_railparams(pos)
+
+	if not (update.vel or update.pos) then
+		rail_on_step_event(railparams.on_step, self, dtime)
+		return
+	end
+
+	local yaw = 0
+	if self.old_dir.x < 0 then
+		yaw = 0.5
+	elseif self.old_dir.x > 0 then
+		yaw = 1.5
+	elseif self.old_dir.z < 0 then
+		yaw = 1
+	end
+	self.object:setyaw(yaw * math.pi)
+
+	local anim = {x=0, y=0}
+	if dir.y == -1 then
+		anim = {x=1, y=1}
+	elseif dir.y == 1 then
+		anim = {x=2, y=2}
+	end
+	self.object:set_animation(anim, 1, 0)
+
+	self.object:setvelocity(vel)
+	if update.pos then
+		self.object:setpos(pos)
+	end
+
+	-- call event handler
+	rail_on_step_event(railparams.on_step, self, dtime)
+end
+
+function cart_entity:on_step(dtime)
+	rail_on_step(self, dtime)
+	rail_sound(self, dtime)
+end
+
+minetest.register_entity("carts:cart", cart_entity)
+
+minetest.register_craftitem("carts:cart", {
+	description = "Cart (Sneak+Click to pick up)",
+	inventory_image = minetest.inventorycube("carts_cart_top.png", "carts_cart_side.png", "carts_cart_side.png"),
+	wield_image = "carts_cart_side.png",
+	on_place = function(itemstack, placer, pointed_thing)
+		local under = pointed_thing.under
+		local node = minetest.get_node(under)
+		local udef = minetest.registered_nodes[node.name]
+		if udef and udef.on_rightclick and
+				not (placer and placer:get_player_control().sneak) then
+			return udef.on_rightclick(under, node, placer, itemstack,
+				pointed_thing) or itemstack
+		end
+
+		if not pointed_thing.type == "node" then
+			return
+		end
+		if carts:is_rail(pointed_thing.under) then
+			minetest.add_entity(pointed_thing.under, "carts:cart")
+		elseif carts:is_rail(pointed_thing.above) then
+			minetest.add_entity(pointed_thing.above, "carts:cart")
+		else
+			return
+		end
+
+		minetest.sound_play({name = "default_place_node_metal", gain = 0.5},
+			{pos = pointed_thing.above})
+
+		if not (creative and creative.is_enabled_for
+				and creative.is_enabled_for(placer:get_player_name())) then
+			itemstack:take_item()
+		end
+		return itemstack
+	end,
+})
+
+minetest.register_craft({
+	output = "carts:cart",
+	recipe = {
+		{"default:steel_ingot", "", "default:steel_ingot"},
+		{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
+	},
+})

mods/carts/depends.txt

@@ -0,0 +1 @@
+default

mods/carts/functions.lua

@@ -0,0 +1,221 @@
+function carts:get_sign(z)
+	if z == 0 then
+		return 0
+	else
+		return z / math.abs(z)
+	end
+end
+
+function carts:manage_attachment(player, obj)
+	if not player then
+		return
+	end
+	local status = obj ~= nil
+	local player_name = player:get_player_name()
+	if default.player_attached[player_name] == status then
+		return
+	end
+	default.player_attached[player_name] = status
+
+	if status then
+		player:set_attach(obj, "", {x=0, y=6, z=0}, {x=0, y=0, z=0})
+		player:set_eye_offset({x=0, y=-4, z=0},{x=0, y=-4, z=0})
+	else
+		player:set_detach()
+		player:set_eye_offset({x=0, y=0, z=0},{x=0, y=0, z=0})
+	end
+end
+
+function carts:velocity_to_dir(v)
+	if math.abs(v.x) > math.abs(v.z) then
+		return {x=carts:get_sign(v.x), y=carts:get_sign(v.y), z=0}
+	else
+		return {x=0, y=carts:get_sign(v.y), z=carts:get_sign(v.z)}
+	end
+end
+
+function carts:is_rail(pos, railtype)
+	local node = minetest.get_node(pos).name
+	if node == "ignore" then
+		local vm = minetest.get_voxel_manip()
+		local emin, emax = vm:read_from_map(pos, pos)
+		local area = VoxelArea:new{
+			MinEdge = emin,
+			MaxEdge = emax,
+		}
+		local data = vm:get_data()
+		local vi = area:indexp(pos)
+		node = minetest.get_name_from_content_id(data[vi])
+	end
+	if minetest.get_item_group(node, "rail") == 0 then
+		return false
+	end
+	if not railtype then
+		return true
+	end
+	return minetest.get_item_group(node, "connect_to_raillike") == railtype
+end
+
+function carts:check_front_up_down(pos, dir_, check_up, railtype)
+	local dir = vector.new(dir_)
+	local cur
+
+	-- Front
+	dir.y = 0
+	cur = vector.add(pos, dir)
+	if carts:is_rail(cur, railtype) then
+		return dir
+	end
+	-- Up
+	if check_up then
+		dir.y = 1
+		cur = vector.add(pos, dir)
+		if carts:is_rail(cur, railtype) then
+			return dir
+		end
+	end
+	-- Down
+	dir.y = -1
+	cur = vector.add(pos, dir)
+	if carts:is_rail(cur, railtype) then
+		return dir
+	end
+	return nil
+end
+
+function carts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
+	local pos = vector.round(pos_)
+	local cur
+	local left_check, right_check = true, true
+
+	-- Check left and right
+	local left = {x=0, y=0, z=0}
+	local right = {x=0, y=0, z=0}
+	if dir.z ~= 0 and dir.x == 0 then
+		left.x = -dir.z
+		right.x = dir.z
+	elseif dir.x ~= 0 and dir.z == 0 then
+		left.z = dir.x
+		right.z = -dir.x
+	end
+
+	if ctrl then
+		if old_switch == 1 then
+			left_check = false
+		elseif old_switch == 2 then
+			right_check = false
+		end
+		if ctrl.left and left_check then
+			cur = carts:check_front_up_down(pos, left, false, railtype)
+			if cur then
+				return cur, 1
+			end
+			left_check = false
+		end
+		if ctrl.right and right_check then
+			cur = carts:check_front_up_down(pos, right, false, railtype)
+			if cur then
+				return cur, 2
+			end
+			right_check = true
+		end
+	end
+
+	-- Normal
+	cur = carts:check_front_up_down(pos, dir, true, railtype)
+	if cur then
+		return cur
+	end
+
+	-- Left, if not already checked
+	if left_check then
+		cur = carts:check_front_up_down(pos, left, false, railtype)
+		if cur then
+			return cur
+		end
+	end
+
+	-- Right, if not already checked
+	if right_check then
+		cur = carts:check_front_up_down(pos, right, false, railtype)
+		if cur then
+			return cur
+		end
+	end
+
+	-- Backwards
+	if not old_switch then
+		cur = carts:check_front_up_down(pos, {
+				x = -dir.x,
+				y = dir.y,
+				z = -dir.z
+			}, true, railtype)
+		if cur then
+			return cur
+		end
+	end
+
+	return {x=0, y=0, z=0}
+end
+
+function carts:pathfinder(pos_, old_pos, old_dir, ctrl, pf_switch, railtype)
+	local pos = vector.round(pos_)
+	local pf_pos = vector.round(old_pos)
+	local pf_dir = vector.new(old_dir)
+
+	for i = 1, 3 do
+		if vector.equals(pf_pos, pos) then
+			-- Success! Cart moved on correctly
+			return true
+		end
+
+		pf_dir, pf_switch = carts:get_rail_direction(pf_pos, pf_dir, ctrl, pf_switch, railtype)
+		if vector.equals(pf_dir, {x=0, y=0, z=0}) then
+			-- No way forwards
+			return false
+		end
+
+		pf_pos = vector.add(pf_pos, pf_dir)
+	end
+	-- Cart not found
+	return false
+end
+
+function carts:register_rail(name, def_overwrite, railparams)
+	local def = {
+		drawtype = "raillike",
+		paramtype = "light",
+		sunlight_propagates = true,
+		is_ground_content = false,
+		walkable = false,
+		selection_box = {
+			type = "fixed",
+			fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
+		},
+		sounds = default.node_sound_metal_defaults()
+	}
+	for k, v in pairs(def_overwrite) do
+		def[k] = v
+	end
+	if not def.inventory_image then
+		def.wield_image = def.tiles[1]
+		def.inventory_image = def.tiles[1]
+	end
+
+	if railparams then
+		carts.railparams[name] = table.copy(railparams)
+	end
+
+	minetest.register_node(name, def)
+end
+
+function carts:get_rail_groups(additional_groups)
+	-- Get the default rail groups and add more when a table is given
+	local groups = {dig_immediate = 2, attached_node = 1, rail = 1, connect_to_raillike = 1}
+	if type(additional_groups) == "table" then
+		for k, v in pairs(additional_groups) do
+			groups[k] = v
+		end
+	end
+	return groups
+end

mods/carts/init.lua

@@ -0,0 +1,20 @@
+
+carts = {}
+carts.modpath = minetest.get_modpath("carts")
+carts.railparams = {}
+
+-- Maximal speed of the cart in m/s (min = -1)
+carts.speed_max = 7
+-- Set to -1 to disable punching the cart from inside (min = -1)
+carts.punch_speed_max = 5
+
+
+dofile(carts.modpath.."/functions.lua")
+dofile(carts.modpath.."/rails.lua")
+
+-- Support for non-default games
+if not default.player_attached then
+	default.player_attached = {}
+end
+
+dofile(carts.modpath.."/cart_entity.lua")

mods/carts/license.txt

@@ -0,0 +1,54 @@
+
+License of source code
+----------------------
+
+The MIT License (MIT)
+Copyright (C) 2012-2016 PilzAdam
+Copyright (C) 2014-2016 SmallJoker
+Copyright (C) 2012-2016 Various Minetest developers and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation the
+rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+sell copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+For more details:
+https://opensource.org/licenses/MIT
+
+
+Licenses of media
+-----------------
+
+CC-0, see: https://creativecommons.org/share-your-work/public-domain/cc0/, except
+if other license is mentioned.
+
+
+Authors
+---------
+Originally from PixelBOX (Gambit):
+	carts_cart_side.png
+	carts_cart_top.png
+	carts_cart_front.png*
+	carts_cart.png*
+
+sofar + stujones11:
+	carts_cart.b3d and carts_cart.blend
+
+hexafraction, modified by sofar
+	carts_rail_*.png
+
+http://www.freesound.org/people/YleArkisto/sounds/253159/ - YleArkisto - CC-BY-3.0
+	carts_cart_moving.*.ogg

mods/carts/rails.lua

@@ -0,0 +1,59 @@
+carts:register_rail("carts:rail", {
+	description = "Rail",
+	tiles = {
+		"carts_rail_straight.png", "carts_rail_curved.png",
+		"carts_rail_t_junction.png", "carts_rail_crossing.png"
+	},
+	inventory_image = "carts_rail_straight.png",
+	wield_image = "carts_rail_straight.png",
+	groups = carts:get_rail_groups(),
+}, {})
+
+minetest.register_craft({
+	output = "carts:rail 18",
+	recipe = {
+		{"default:steel_ingot", "group:wood", "default:steel_ingot"},
+		{"default:steel_ingot", "", "default:steel_ingot"},
+		{"default:steel_ingot", "group:wood", "default:steel_ingot"},
+	}
+})
+
+minetest.register_alias("default:rail", "carts:rail")
+
+
+carts:register_rail("carts:powerrail", {
+	description = "Powered rail",
+	tiles = {
+		"carts_rail_straight_pwr.png", "carts_rail_curved_pwr.png",
+		"carts_rail_t_junction_pwr.png", "carts_rail_crossing_pwr.png"
+	},
+	groups = carts:get_rail_groups(),
+}, {acceleration = 5})
+
+minetest.register_craft({
+	output = "carts:powerrail 18",
+	recipe = {
+		{"default:steel_ingot", "group:wood", "default:steel_ingot"},
+		{"default:steel_ingot", "default:mese_crystal", "default:steel_ingot"},
+		{"default:steel_ingot", "group:wood", "default:steel_ingot"},
+	}
+})
+
+
+carts:register_rail("carts:brakerail", {
+	description = "Brake rail",
+	tiles = {
+		"carts_rail_straight_brk.png", "carts_rail_curved_brk.png",
+		"carts_rail_t_junction_brk.png", "carts_rail_crossing_brk.png"
+	},
+	groups = carts:get_rail_groups(),
+}, {acceleration = -3})
+
+minetest.register_craft({
+	output = "carts:brakerail 18",
+	recipe = {
+		{"default:steel_ingot", "group:wood", "default:steel_ingot"},
+		{"default:steel_ingot", "default:coal_lump", "default:steel_ingot"},
+		{"default:steel_ingot", "group:wood", "default:steel_ingot"},
+	}
+})

mods/creative/README.txt

@@ -0,0 +1,12 @@
+Minetest Game mod: creative
+===========================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Originally by Perttu Ahola (celeron55) <celeron55@gmail.com> (MIT)
+Jean-Patrick G. (kilbith) <jeanpatrick.guerrero@gmail.com> (MIT)
+
+Author of media (textures)
+--------------------------
+Jean-Patrick G. (kilbith) <jeanpatrick.guerrero@gmail.com> (CC BY-SA 3.0)

mods/creative/depends.txt

@@ -0,0 +1,2 @@
+default
+sfinv

mods/creative/init.lua

@@ -0,0 +1,63 @@
+creative = {}
+
+local creative_mode_cache = minetest.settings:get_bool("creative_mode")
+
+function creative.is_enabled_for(name)
+	return creative_mode_cache
+end
+
+dofile(minetest.get_modpath("creative") .. "/inventory.lua")
+
+if creative_mode_cache then
+	-- Dig time is modified according to difference (leveldiff) between tool
+	-- 'maxlevel' and node 'level'. Digtime is divided by the larger of
+	-- leveldiff and 1.
+	-- To speed up digging in creative, hand 'maxlevel' and 'digtime' have been
+	-- increased such that nodes of differing levels have an insignificant
+	-- effect on digtime.
+	local digtime = 42
+	local caps = {times = {digtime, digtime, digtime}, uses = 0, maxlevel = 256}
+
+	minetest.register_item(":", {
+		type = "none",
+		wield_image = "wieldhand.png",
+		wield_scale = {x = 1, y = 1, z = 2.5},
+		range = 10,
+		tool_capabilities = {
+			full_punch_interval = 0.5,
+			max_drop_level = 3,
+			groupcaps = {
+				crumbly = caps,
+				cracky  = caps,
+				snappy  = caps,
+				choppy  = caps,
+				oddly_breakable_by_hand = caps,
+			},
+			damage_groups = {fleshy = 10},
+		}
+	})
+end
+
+-- Unlimited node placement
+minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack)
+	return creative.is_enabled_for(placer:get_player_name())
+end)
+
+-- Don't pick up if the item is already in the inventory
+local old_handle_node_drops = minetest.handle_node_drops
+function minetest.handle_node_drops(pos, drops, digger)
+	if not digger or not digger:is_player() then
+		return
+	end
+	if not creative.is_enabled_for(digger:get_player_name()) then
+		return old_handle_node_drops(pos, drops, digger)
+	end
+	local inv = digger:get_inventory()
+	if inv then
+		for _, item in ipairs(drops) do
+			if not inv:contains_item("main", item, true) then
+				inv:add_item("main", item)
+			end
+		end
+	end
+end

mods/creative/inventory.lua

@@ -0,0 +1,177 @@
+local player_inventory = {}
+
+function creative.init_creative_inventory(player)
+	local player_name = player:get_player_name()
+	player_inventory[player_name] = {
+		size = 0,
+		filter = "",
+		start_i = 0
+	}
+
+	minetest.create_detached_inventory("creative_" .. player_name, {
+		allow_move = function(inv, from_list, from_index, to_list, to_index, count, player2)
+			if not to_list == "main" then
+				return count
+			else
+				return 0
+			end
+		end,
+		allow_put = function(inv, listname, index, stack, player2)
+			return 0
+		end,
+		allow_take = function(inv, listname, index, stack, player2)
+			return -1
+		end,
+		on_move = function(inv, from_list, from_index, to_list, to_index, count, player2)
+		end,
+		on_put = function(inv, listname, index, stack, player2)
+		end,
+		on_take = function(inv, listname, index, stack, player2)
+			if stack and stack:get_count() > 0 then
+				minetest.log("action", player_name .. " takes " .. stack:get_name().. " from creative inventory")
+			end
+		end,
+	}, player_name)
+
+	return player_inventory[player_name]
+end
+
+function creative.update_creative_inventory(player_name, tab_content)
+	local creative_list = {}
+	local inv = player_inventory[player_name] or
+			creative.init_creative_inventory(minetest.get_player_by_name(player_name))
+	local player_inv = minetest.get_inventory({type = "detached", name = "creative_" .. player_name})
+
+	for name, def in pairs(tab_content) do
+		if not (def.groups.not_in_creative_inventory == 1) and
+				def.description and def.description ~= "" and
+				(def.name:find(inv.filter, 1, true) or
+					def.description:lower():find(inv.filter, 1, true)) then
+			creative_list[#creative_list+1] = name
+		end
+	end
+
+	table.sort(creative_list)
+	player_inv:set_size("main", #creative_list)
+	player_inv:set_list("main", creative_list)
+	inv.size = #creative_list
+end
+
+-- Create the trash field
+local trash = minetest.create_detached_inventory("creative_trash", {
+	-- Allow the stack to be placed and remove it in on_put()
+	-- This allows the creative inventory to restore the stack
+	allow_put = function(inv, listname, index, stack, player)
+		return stack:get_count()
+	end,
+	on_put = function(inv, listname)
+		inv:set_list(listname, {})
+	end,
+})
+trash:set_size("main", 1)
+
+creative.formspec_add = ""
+
+function creative.register_tab(name, title, items)
+	sfinv.register_page("creative:" .. name, {
+		title = title,
+		is_in_nav = function(self, player, context)
+			return creative.is_enabled_for(player:get_player_name())
+		end,
+		get = function(self, player, context)
+			local player_name = player:get_player_name()
+			creative.update_creative_inventory(player_name, items)
+			local inv = player_inventory[player_name]
+			local start_i = inv.start_i or 0
+			local pagenum = math.floor(start_i / (3*8) + 1)
+			local pagemax = math.ceil(inv.size / (3*8))
+			return sfinv.make_formspec(player, context,
+				"label[6.2,3.35;" .. minetest.colorize("#FFFF00", tostring(pagenum)) .. " / " .. tostring(pagemax) .. "]" ..
+				[[
+					image[4.06,3.4;0.8,0.8;creative_trash_icon.png]
+					listcolors[#00000069;#5A5A5A;#141318;#30434C;#FFF]
+					list[current_player;main;0,4.7;8,1;]
+					list[current_player;main;0,5.85;8,3;8]
+					list[detached:creative_trash;main;4,3.3;1,1;]
+					listring[]
+					button[5.4,3.2;0.8,0.9;creative_prev;<]
+					button[7.25,3.2;0.8,0.9;creative_next;>]
+					button[2.1,3.4;0.8,0.5;creative_search;?]
+					button[2.75,3.4;0.8,0.5;creative_clear;X]
+					tooltip[creative_search;Search]
+					tooltip[creative_clear;Reset]
+					listring[current_player;main]
+					field_close_on_enter[creative_filter;false]
+				]] ..
+				"field[0.3,3.5;2.2,1;creative_filter;;" .. minetest.formspec_escape(inv.filter) .. "]" ..
+				"listring[detached:creative_" .. player_name .. ";main]" ..
+				"list[detached:creative_" .. player_name .. ";main;0,0;8,3;" .. tostring(start_i) .. "]" ..
+				default.get_hotbar_bg(0,4.7) ..
+				default.gui_bg .. default.gui_bg_img .. default.gui_slots
+				.. creative.formspec_add, false)
+		end,
+		on_enter = function(self, player, context)
+			local player_name = player:get_player_name()
+			local inv = player_inventory[player_name]
+			if inv then
+				inv.start_i = 0
+			end
+		end,
+		on_player_receive_fields = function(self, player, context, fields)
+			local player_name = player:get_player_name()
+			local inv = player_inventory[player_name]
+			assert(inv)
+
+			if fields.creative_clear then
+				inv.start_i = 0
+				inv.filter = ""
+				creative.update_creative_inventory(player_name, items)
+				sfinv.set_player_inventory_formspec(player, context)
+			elseif fields.creative_search or
+					fields.key_enter_field == "creative_filter" then
+				inv.start_i = 0
+				inv.filter = fields.creative_filter:lower()
+				creative.update_creative_inventory(player_name, items)
+				sfinv.set_player_inventory_formspec(player, context)
+			elseif not fields.quit then
+				local start_i = inv.start_i or 0
+
+				if fields.creative_prev then
+					start_i = start_i - 3*8
+					if start_i < 0 then
+						start_i = inv.size - (inv.size % (3*8))
+						if inv.size == start_i then
+							start_i = math.max(0, inv.size - (3*8))
+						end
+					end
+				elseif fields.creative_next then
+					start_i = start_i + 3*8
+					if start_i >= inv.size then
+						start_i = 0
+					end
+				end
+
+				inv.start_i = start_i
+				sfinv.set_player_inventory_formspec(player, context)
+			end
+		end
+	})
+end
+
+minetest.register_on_joinplayer(function(player)
+	creative.update_creative_inventory(player:get_player_name(), minetest.registered_items)
+end)
+
+creative.register_tab("all", "All", minetest.registered_items)
+creative.register_tab("nodes", "Nodes", minetest.registered_nodes)
+creative.register_tab("tools", "Tools", minetest.registered_tools)
+creative.register_tab("craftitems", "Items", minetest.registered_craftitems)
+
+local old_homepage_name = sfinv.get_homepage_name
+function sfinv.get_homepage_name(player)
+	if creative.is_enabled_for(player:get_player_name()) then
+		return "creative:all"
+	else
+		return old_homepage_name(player)
+	end
+end

mods/creative/license.txt

@@ -0,0 +1,60 @@
+License of source code
+----------------------
+
+The MIT License (MIT)
+Copyright (C) 2012-2016 Perttu Ahola (celeron55) <celeron55@gmail.com>
+Copyright (C) 2015-2016 Jean-Patrick G. (kilbith) <jeanpatrick.guerrero@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this
+software and associated documentation files (the "Software"), to deal in the Software
+without restriction, including without limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of the Software, and to permit
+persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or
+substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+
+For more details:
+https://opensource.org/licenses/MIT
+
+
+Licenses of media (textures)
+----------------------------
+
+Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
+Copyright (C) 2016 Jean-Patrick G. (kilbith) <jeanpatrick.guerrero@gmail.com>
+
+You are free to:
+Share — copy and redistribute the material in any medium or format.
+Adapt — remix, transform, and build upon the material for any purpose, even commercially.
+The licensor cannot revoke these freedoms as long as you follow the license terms.
+
+Under the following terms:
+
+Attribution — You must give appropriate credit, provide a link to the license, and
+indicate if changes were made. You may do so in any reasonable manner, but not in any way
+that suggests the licensor endorses you or your use.
+
+ShareAlike — If you remix, transform, or build upon the material, you must distribute
+your contributions under the same license as the original.
+
+No additional restrictions — You may not apply legal terms or technological measures that
+legally restrict others from doing anything the license permits.
+
+Notices:
+
+You do not have to comply with the license for elements of the material in the public
+domain or where your use is permitted by an applicable exception or limitation.
+No warranties are given. The license may not give you all of the permissions necessary
+for your intended use. For example, other rights such as publicity, privacy, or moral
+rights may limit how you use the material.
+
+For more details:
+http://creativecommons.org/licenses/by-sa/3.0/

mods/default/README.txt

@@ -0,0 +1,300 @@
+Minetest Game mod: default
+==========================
+See license.txt for license information.
+
+Authors of source code
+----------------------
+Originally by celeron55, Perttu Ahola <celeron55@gmail.com> (LGPL 2.1)
+Various Minetest developers and contributors (LGPL 2.1)
+
+Authors of media (textures, models and sounds)
+----------------------------------------------
+Everything not listed in here:
+celeron55, Perttu Ahola <celeron55@gmail.com> (CC BY-SA 3.0)
+
+Cisoun's texture pack (CC BY-SA 3.0):
+  default_jungletree.png
+  default_lava.png
+  default_leaves.png
+  default_sapling.png
+  default_bush_sapling.png
+  default_stone.png
+  default_tree.png
+  default_tree_top.png
+  default_water.png
+
+Cisoun's conifers mod (CC BY-SA 3.0):
+  default_pine_needles.png
+
+Originating from G4JC's Almost MC Texture Pack (CC BY-SA 3.0):
+  default_torch.png
+  default_torch_on_ceiling.png
+  default_torch_on_floor.png
+
+VanessaE's animated torches (CC BY-SA 3.0):
+  default_torch_animated.png
+  default_torch_on_ceiling_animated.png
+  default_torch_on_floor_animated.png
+  default_torch_on_floor.png
+
+RealBadAngel's animated water (CC BY-SA 3.0):
+  default_water_source_animated.png
+  default_water_flowing_animated.png
+
+VanessaE (CC BY-SA 3.0):
+  default_desert_sand.png
+  default_desert_stone.png
+  default_sand.png
+  default_mese_crystal.png
+  default_mese_crystal_fragment.png
+
+Calinou (CC BY-SA 3.0):
+  default_brick.png
+  default_papyrus.png
+  default_mineral_copper.png
+  default_glass_detail.png
+
+MirceaKitsune (CC BY-SA 3.0):
+  character.x
+
+Jordach (CC BY-SA 3.0):
+  character.png
+
+PilzAdam (CC BY-SA 3.0):
+  default_jungleleaves.png
+  default_junglesapling.png
+  default_obsidian_glass.png
+  default_obsidian_shard.png
+  default_mineral_gold.png
+
+jojoa1997 (CC BY-SA 3.0):
+  default_obsidian.png
+
+InfinityProject (CC BY-SA 3.0):
+  default_mineral_diamond.png
+
+Splizard (CC BY-SA 3.0):
+  default_pine_sapling.png
+
+Zeg9 (CC BY-SA 3.0):
+  default_coal_block.png
+
+paramat (CC BY-SA 3.0):
+  wieldhand.png -- Copied from character.png by Jordach (CC BY-SA 3.0)
+  default_pinetree.png
+  default_pinetree_top.png
+  default_pinewood.png
+  default_acacia_leaves.png
+  default_acacia_leaves_simple.png
+  default_acacia_sapling.png
+  default_acacia_bush_sapling.png
+  default_acacia_tree.png
+  default_acacia_tree_top.png
+  default_acacia_wood.png
+  default_acacia_bush_stem.png
+  default_bush_stem.png
+  default_junglewood.png
+  default_jungletree_top.png
+  default_sandstone_brick.png
+  default_obsidian_brick.png
+  default_stone_brick.png
+  default_desert_stone_brick.png
+  default_sandstone_block.png
+  default_obsidian_block.png
+  default_stone_block.png
+  default_desert_stone_block.png
+  default_river_water.png
+  default_river_water_source_animated.png
+  default_river_water_flowing_animated.png
+  default_dry_grass.png
+  default_dry_grass_side.png
+  default_dry_grass_*.png
+  default_grass.png
+  default_grass_side.png
+  default_mese_block.png
+  default_silver_sand.png
+  default_mese_post_light_side.png
+  default_mese_post_light_side_dark.png
+  default_mese_post_light_top.png
+  default_silver_sandstone.png -- Derived from a texture by GreenXenith (CC-BY-SA 3.0)
+  default_silver_sandstone_brick.png -- Derived from a texture by GreenXenith (CC-BY-SA 3.0)
+  default_silver_sandstone_block.png -- Derived from a texture by GreenXenith (CC-BY-SA 3.0)
+
+brunob.santos (CC BY-SA 4.0):
+  default_desert_cobble.png
+
+BlockMen (CC BY-SA 3.0):
+  default_aspen_leaves.png -- Derived from Sofar's texture
+  default_wood.png
+  default_clay_brick.png
+  default_iron_ingot.png
+  default_gold_ingot.png
+  default_tool_steelsword.png
+  default_diamond.png
+  default_book.png
+  default_tool_*.png
+  default_lava_source_animated.png
+  default_lava_flowing_animated.png
+  default_stick.png
+  default_chest_front.png
+  default_chest_lock.png
+  default_chest_side.png
+  default_chest_top.png
+  default_mineral_mese.png
+  default_meselamp.png
+  bubble.png
+  gui_*.png
+
+Wuzzy (CC BY-SA 3.0):
+  default_bookshelf_slot.png (based on default_book.png)
+
+sofar (CC BY-SA 3.0):
+  default_book_written.png, based on default_book.png
+  default_aspen_sapling
+  default_aspen_tree
+  default_aspen_tree_top, derived from default_pine_tree_top (by paramat)
+  default_aspen_wood, derived from default_pine_wood (by paramat)
+  default_chest_inside
+
+sofar (WTFPL):
+  default_gravel.png -- Derived from Gambit's PixelBOX texture pack light gravel
+
+Neuromancer (CC BY-SA 2.0):
+  default_cobble.png, based on texture by Brane praefect
+  default_mossycobble.png, based on texture by Brane praefect
+
+Neuromancer (CC BY-SA 3.0):
+  default_dirt.png
+  default_furnace_*.png
+
+Gambit (CC BY-SA 3.0):
+  default_bronze_ingot.png
+  default_copper_ingot.png
+  default_copper_lump.png
+  default_iron_lump.png
+  default_gold_lump.png
+  default_clay_lump.png
+  default_coal.png
+  default_grass_*.png
+  default_paper.png
+  default_diamond_block.png
+  default_ladder_steel.png
+  default_sign_wall_wood.png
+  default_flint.png
+  default_snow.png
+  default_snow_side.png
+  default_snowball.png
+  default_key.png
+  default_key_skeleton.png
+
+asl97 (CC BY-SA 3.0):
+  default_ice.png
+
+KevDoy (CC BY-SA 3.0)
+  heart.png
+
+Pithydon (CC BY-SA 3.0)
+  default_coral_brown.png
+  default_coral_orange.png
+  default_coral_skeleton.png
+
+Ferk (CC0 1.0)
+  default_item_smoke.png
+  default_item_smoke.ogg, based on sound by http://opengameart.org/users/bart
+
+npx (CC BY-SA 3.0)
+  default_rainforest_litter.png
+  default_rainforest_litter_side.png
+
+kaeza (CC-BY-SA 3.0):
+  default_desert_sandstone.png
+  default_desert_sandstone_brick.png
+  default_desert_sandstone_block.png
+
+kilbith (CC BY-SA 3.0):
+  default_steel_block.png
+  default_copper_block.png
+  default_bronze_block.png
+  default_gold_block.png
+  default_tin_block.png
+  default_mineral_tin.png
+  default_tin_ingot.png
+  default_tin_lump.png
+
+Glass breaking sounds (CC BY 3.0):
+  1: http://www.freesound.org/people/cmusounddesign/sounds/71947/
+  2: http://www.freesound.org/people/Tomlija/sounds/97669/
+  3: http://www.freesound.org/people/lsprice/sounds/88808/
+
+sonictechtonic (CC BY 3.0):
+https://www.freesound.org/people/sonictechtonic/sounds/241872/
+  player_damage.ogg
+
+Mito551 (sounds) (CC BY-SA 3.0):
+  default_dig_choppy.ogg
+  default_dig_cracky.ogg
+  default_dig_crumbly.1.ogg
+  default_dig_crumbly.2.ogg
+  default_dig_dig_immediate.ogg
+  default_dig_oddly_breakable_by_hand.ogg
+  default_dug_node.1.ogg
+  default_dug_node.2.ogg
+  default_grass_footstep.1.ogg
+  default_grass_footstep.2.ogg
+  default_grass_footstep.3.ogg
+  default_gravel_footstep.1.ogg
+  default_gravel_footstep.2.ogg
+  default_gravel_footstep.3.ogg
+  default_gravel_footstep.4.ogg
+  default_grass_footstep.1.ogg
+  default_place_node.1.ogg
+  default_place_node.2.ogg
+  default_place_node.3.ogg
+  default_place_node_hard.1.ogg
+  default_place_node_hard.2.ogg
+  default_snow_footstep.1.ogg
+  default_snow_footstep.2.ogg
+  default_hard_footstep.1.ogg
+  default_hard_footstep.2.ogg
+  default_hard_footstep.3.ogg
+  default_sand_footstep.1.ogg
+  default_sand_footstep.2.ogg
+  default_wood_footstep.1.ogg
+  default_wood_footstep.2.ogg
+  default_dirt_footstep.1.ogg
+  default_dirt_footstep.2.ogg
+  default_glass_footstep.ogg
+
+Metal sounds:
+  default_dig_metal.ogg - yadronoff - CC-BY-3.0
+  - https://www.freesound.org/people/yadronoff/sounds/320397/
+  default_dug_metal.*.ogg - Iwan Gabovitch - qubodup - CC0
+  - http://opengameart.org/users/qubodup
+  default_metal_footstep.*.ogg - Ottomaani138 - CC0
+  - https://www.freesound.org/people/Ottomaani138/sounds/232692/
+  default_place_node_metal.*.ogg - Ogrebane - CC0
+  - http://opengameart.org/content/wood-and-metal-sound-effects-volume-2
+
+Tool breaking sounds added by sofar: CC-BY-3.0
+  default_tool_breaks.* - http://www.freesound.org/people/HerbertBoland/sounds/33206/
+
+AGFX (CC BY 3.0)
+https://www.freesound.org/people/AGFX/packs/1253/
+  default_water_footstep.1.ogg
+  default_water_footstep.2.ogg
+  default_water_footstep.3.ogg
+(default_water_footstep.4.ogg is silent)
+
+blukotek (CC0 1.0)
+https://www.freesound.org/people/blukotek/sounds/251660/
+  default_dig_snappy.ogg
+
+Chests sounds added by sofar, derived of several files mixed together:
+  default_chest_open.ogg
+  default_chest_close.ogg
+    - http://www.freesound.org/people/Sevin7/sounds/269722/ CC0
+    - http://www.freesound.org/people/Percy%20Duke/sounds/23448/ CC-BY-3.0
+    - http://www.freesound.org/people/kingsamas/sounds/135576/ CC-BY-3.0
+    - http://www.freesound.org/people/bulbastre/sounds/126887/ CC-BY-3.0
+    - http://www.freesound.org/people/Yoyodaman234/sounds/183541/ CC0
+

mods/default/aliases.lua

@@ -0,0 +1,77 @@
+-- mods/default/aliases.lua
+
+-- Aliases to support loading worlds using nodes following the old naming convention
+-- These can also be helpful when using chat commands, for example /giveme
+minetest.register_alias("stone", "default:stone")
+minetest.register_alias("stone_with_coal", "default:stone_with_coal")
+minetest.register_alias("stone_with_iron", "default:stone_with_iron")
+minetest.register_alias("dirt_with_grass", "default:dirt_with_grass")
+minetest.register_alias("dirt_with_grass_footsteps", "default:dirt_with_grass_footsteps")
+minetest.register_alias("dirt", "default:dirt")
+minetest.register_alias("sand", "default:sand")
+minetest.register_alias("gravel", "default:gravel")
+minetest.register_alias("sandstone", "default:sandstone")
+minetest.register_alias("clay", "default:clay")
+minetest.register_alias("brick", "default:brick")
+minetest.register_alias("tree", "default:tree")
+minetest.register_alias("jungletree", "default:jungletree")
+minetest.register_alias("junglegrass", "default:junglegrass")
+minetest.register_alias("leaves", "default:leaves")
+minetest.register_alias("cactus", "default:cactus")
+minetest.register_alias("papyrus", "default:papyrus")
+minetest.register_alias("bookshelf", "default:bookshelf")
+minetest.register_alias("glass", "default:glass")
+minetest.register_alias("wooden_fence", "default:fence_wood")
+minetest.register_alias("rail", "carts:rail")
+minetest.register_alias("ladder", "default:ladder_wood")
+minetest.register_alias("wood", "default:wood")
+minetest.register_alias("mese", "default:mese")
+minetest.register_alias("cloud", "default:cloud")
+minetest.register_alias("water_flowing", "default:water_flowing")
+minetest.register_alias("water_source", "default:water_source")
+minetest.register_alias("lava_flowing", "default:lava_flowing")
+minetest.register_alias("lava_source", "default:lava_source")
+minetest.register_alias("torch", "default:torch")
+minetest.register_alias("sign_wall", "default:sign_wall_wood")
+minetest.register_alias("furnace", "default:furnace")
+minetest.register_alias("chest", "default:chest")
+minetest.register_alias("locked_chest", "default:chest_locked")
+minetest.register_alias("cobble", "default:cobble")
+minetest.register_alias("mossycobble", "default:mossycobble")
+minetest.register_alias("steelblock", "default:steelblock")
+minetest.register_alias("sapling", "default:sapling")
+minetest.register_alias("apple", "default:apple")
+
+minetest.register_alias("WPick", "default:pick_wood")
+minetest.register_alias("STPick", "default:pick_stone")
+minetest.register_alias("SteelPick", "default:pick_steel")
+minetest.register_alias("MesePick", "default:pick_mese")
+minetest.register_alias("WShovel", "default:shovel_wood")
+minetest.register_alias("STShovel", "default:shovel_stone")
+minetest.register_alias("SteelShovel", "default:shovel_steel")
+minetest.register_alias("WAxe", "default:axe_wood")
+minetest.register_alias("STAxe", "default:axe_stone")
+minetest.register_alias("SteelAxe", "default:axe_steel")
+minetest.register_alias("WSword", "default:sword_wood")
+minetest.register_alias("STSword", "default:sword_stone")
+minetest.register_alias("SteelSword", "default:sword_steel")
+
+minetest.register_alias("Stick", "default:stick")
+minetest.register_alias("paper", "default:paper")
+minetest.register_alias("book", "default:book")
+minetest.register_alias("lump_of_coal", "default:coal_lump")
+minetest.register_alias("lump_of_iron", "default:iron_lump")
+minetest.register_alias("lump_of_clay", "default:clay_lump")
+minetest.register_alias("steel_ingot", "default:steel_ingot")
+minetest.register_alias("clay_brick", "default:clay_brick")
+minetest.register_alias("snow", "default:snow")
+
+-- 'mese_block' was used for a while for the block form of mese
+minetest.register_alias("default:mese_block", "default:mese")
+
+-- Aliases for corrected pine node names
+minetest.register_alias("default:pinetree", "default:pine_tree")
+minetest.register_alias("default:pinewood", "default:pine_wood")
+
+minetest.register_alias("default:ladder", "default:ladder_wood")
+minetest.register_alias("default:sign_wall", "default:sign_wall_wood")

mods/default/craftitems.lua

@@ -0,0 +1,334 @@
+-- mods/default/craftitems.lua
+
+minetest.register_craftitem("default:stick", {
+	description = "Stick",
+	inventory_image = "default_stick.png",
+	groups = {stick = 1, flammable = 2},
+})
+
+minetest.register_craftitem("default:paper", {
+	description = "Paper",
+	inventory_image = "default_paper.png",
+	groups = {flammable = 3},
+})
+
+
+local lpp = 14 -- Lines per book's page
+local function book_on_use(itemstack, user)
+	local player_name = user:get_player_name()
+	local meta = itemstack:get_meta()
+	local title, text, owner = "", "", player_name
+	local page, page_max, lines, string = 1, 1, {}, ""
+
+	-- Backwards compatibility
+	local old_data = minetest.deserialize(itemstack:get_metadata())
+	if old_data then
+		meta:from_table({ fields = old_data })
+	end
+
+	local data = meta:to_table().fields
+
+	if data.owner then
+		title = data.title
+		text = data.text
+		owner = data.owner
+
+		for str in (text .. "\n"):gmatch("([^\n]*)[\n]") do
+			lines[#lines+1] = str
+		end
+
+		if data.page then
+			page = data.page
+			page_max = data.page_max
+
+			for i = ((lpp * page) - lpp) + 1, lpp * page do
+				if not lines[i] then break end
+				string = string .. lines[i] .. "\n"
+			end
+		end
+	end
+
+	local formspec
+	if owner == player_name then
+		formspec = "size[8,8]" .. default.gui_bg ..
+			default.gui_bg_img ..
+			"field[0.5,1;7.5,0;title;Title:;" ..
+				minetest.formspec_escape(title) .. "]" ..
+			"textarea[0.5,1.5;7.5,7;text;Contents:;" ..
+				minetest.formspec_escape(text) .. "]" ..
+			"button_exit[2.5,7.5;3,1;save;Save]"
+	else
+		formspec = "size[8,8]" .. default.gui_bg ..
+			default.gui_bg_img ..
+			"label[0.5,0.5;by " .. owner .. "]" ..
+			"tablecolumns[color;text]" ..
+			"tableoptions[background=#00000000;highlight=#00000000;border=false]" ..
+			"table[0.4,0;7,0.5;title;#FFFF00," .. minetest.formspec_escape(title) .. "]" ..
+			"textarea[0.5,1.5;7.5,7;;" ..
+				minetest.formspec_escape(string ~= "" and string or text) .. ";]" ..
+			"button[2.4,7.6;0.8,0.8;book_prev;<]" ..
+			"label[3.2,7.7;Page " .. page .. " of " .. page_max .. "]" ..
+			"button[4.9,7.6;0.8,0.8;book_next;>]"
+	end
+
+	minetest.show_formspec(player_name, "default:book", formspec)
+	return itemstack
+end
+
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if formname ~= "default:book" then return end
+	local inv = player:get_inventory()
+	local stack = player:get_wielded_item()
+
+	if fields.save and fields.title ~= "" and fields.text ~= "" then
+		local new_stack, data
+		if stack:get_name() ~= "default:book_written" then
+			local count = stack:get_count()
+			if count == 1 then
+				stack:set_name("default:book_written")
+			else
+				stack:set_count(count - 1)
+				new_stack = ItemStack("default:book_written")
+			end
+		else
+			data = stack:get_meta():to_table().fields
+		end
+
+		if data and data.owner and data.owner ~= player:get_player_name() then
+			return
+		end
+
+		if not data then data = {} end
+		data.title = fields.title
+		data.owner = player:get_player_name()
+		data.description = "\""..fields.title.."\" by "..data.owner
+		data.text = fields.text
+		data.text_len = #data.text
+		data.page = 1
+		data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp)
+
+		if new_stack then
+			new_stack:get_meta():from_table({ fields = data })
+			if inv:room_for_item("main", new_stack) then
+				inv:add_item("main", new_stack)
+			else
+				minetest.add_item(player:getpos(), new_stack)
+			end
+		else
+			stack:get_meta():from_table({ fields = data })
+		end
+
+	elseif fields.book_next or fields.book_prev then
+		local data = stack:get_meta():to_table().fields
+		if not data or not data.page then
+			return
+		end
+
+		data.page = tonumber(data.page)
+		data.page_max = tonumber(data.page_max)
+
+		if fields.book_next then
+			data.page = data.page + 1
+			if data.page > data.page_max then
+				data.page = 1
+			end
+		else
+			data.page = data.page - 1
+			if data.page == 0 then
+				data.page = data.page_max
+			end
+		end
+
+		stack:get_meta():from_table({fields = data})
+		stack = book_on_use(stack, player)
+	end
+
+	-- Update stack
+	player:set_wielded_item(stack)
+end)
+
+minetest.register_craftitem("default:book", {
+	description = "Book",
+	inventory_image = "default_book.png",
+	groups = {book = 1, flammable = 3},
+	on_use = book_on_use,
+})
+
+minetest.register_craftitem("default:book_written", {
+	description = "Book With Text",
+	inventory_image = "default_book_written.png",
+	groups = {book = 1, not_in_creative_inventory = 1, flammable = 3},
+	stack_max = 1,
+	on_use = book_on_use,
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = "default:book_written",
+	recipe = {"default:book", "default:book_written"}
+})
+
+minetest.register_on_craft(function(itemstack, player, old_craft_grid, craft_inv)
+	if itemstack:get_name() ~= "default:book_written" then
+		return
+	end
+
+	local original
+	local index
+	for i = 1, player:get_inventory():get_size("craft") do
+		if old_craft_grid[i]:get_name() == "default:book_written" then
+			original = old_craft_grid[i]
+			index = i
+		end
+	end
+	if not original then
+		return
+	end
+	local copymeta = original:get_meta():to_table()
+	-- copy of the book held by player's mouse cursor
+	itemstack:get_meta():from_table(copymeta)
+	-- put the book with metadata back in the craft grid
+	craft_inv:set_stack("craft", index, original)
+end)
+
+minetest.register_craftitem("default:skeleton_key", {
+	description = "Skeleton Key",
+	inventory_image = "default_key_skeleton.png",
+	groups = {key = 1},
+	on_use = function(itemstack, user, pointed_thing)
+		if pointed_thing.type ~= "node" then
+			return itemstack
+		end
+
+		local pos = pointed_thing.under
+		local node = minetest.get_node(pos)
+
+		if not node then
+			return itemstack
+		end
+
+		local on_skeleton_key_use = minetest.registered_nodes[node.name].on_skeleton_key_use
+		if not on_skeleton_key_use then
+			return itemstack
+		end
+
+		-- make a new key secret in case the node callback needs it
+		local random = math.random
+		local newsecret = string.format(
+			"%04x%04x%04x%04x",
+			random(2^16) - 1, random(2^16) - 1,
+			random(2^16) - 1, random(2^16) - 1)
+
+		local secret, _, _ = on_skeleton_key_use(pos, user, newsecret)
+
+		if secret then
+			local inv = minetest.get_inventory({type="player", name=user:get_player_name()})
+
+			-- update original itemstack
+			itemstack:take_item()
+
+			-- finish and return the new key
+			local new_stack = ItemStack("default:key")
+			local meta = new_stack:get_meta()
+			meta:set_string("secret", secret)
+			meta:set_string("description", "Key to "..user:get_player_name().."'s "
+				..minetest.registered_nodes[node.name].description)
+
+			if itemstack:get_count() == 0 then
+				itemstack = new_stack
+			else
+				if inv:add_item("main", new_stack):get_count() > 0 then
+					minetest.add_item(user:getpos(), new_stack)
+				end -- else: added to inventory successfully
+			end
+
+			return itemstack
+		end
+	end
+})
+
+minetest.register_craftitem("default:coal_lump", {
+	description = "Coal Lump",
+	inventory_image = "default_coal_lump.png",
+	groups = {coal = 1, flammable = 1}
+})
+
+minetest.register_craftitem("default:iron_lump", {
+	description = "Iron Lump",
+	inventory_image = "default_iron_lump.png",
+})
+
+minetest.register_craftitem("default:copper_lump", {
+	description = "Copper Lump",
+	inventory_image = "default_copper_lump.png",
+})
+
+minetest.register_craftitem("default:tin_lump", {
+	description = "Tin Lump",
+	inventory_image = "default_tin_lump.png",
+})
+
+minetest.register_craftitem("default:mese_crystal", {
+	description = "Mese Crystal",
+	inventory_image = "default_mese_crystal.png",
+})
+
+minetest.register_craftitem("default:gold_lump", {
+	description = "Gold Lump",
+	inventory_image = "default_gold_lump.png",
+})
+
+minetest.register_craftitem("default:diamond", {
+	description = "Diamond",
+	inventory_image = "default_diamond.png",
+})
+
+minetest.register_craftitem("default:clay_lump", {
+	description = "Clay Lump",
+	inventory_image = "default_clay_lump.png",
+})
+
+minetest.register_craftitem("default:steel_ingot", {
+	description = "Steel Ingot",
+	inventory_image = "default_steel_ingot.png",
+})
+
+minetest.register_craftitem("default:copper_ingot", {
+	description = "Copper Ingot",
+	inventory_image = "default_copper_ingot.png",
+})
+
+minetest.register_craftitem("default:tin_ingot", {
+	description = "Tin Ingot",
+	inventory_image = "default_tin_ingot.png",
+})
+
+minetest.register_craftitem("default:bronze_ingot", {
+	description = "Bronze Ingot",
+	inventory_image = "default_bronze_ingot.png",
+})
+
+minetest.register_craftitem("default:gold_ingot", {
+	description = "Gold Ingot",
+	inventory_image = "default_gold_ingot.png"
+})
+
+minetest.register_craftitem("default:mese_crystal_fragment", {
+	description = "Mese Crystal Fragment",
+	inventory_image = "default_mese_crystal_fragment.png",
+})
+
+minetest.register_craftitem("default:clay_brick", {
+	description = "Clay Brick",
+	inventory_image = "default_clay_brick.png",
+})
+
+minetest.register_craftitem("default:obsidian_shard", {
+	description = "Obsidian Shard",
+	inventory_image = "default_obsidian_shard.png",
+})
+
+minetest.register_craftitem("default:flint", {
+	description = "Flint",
+	inventory_image = "default_flint.png"
+})

mods/default/functions.lua

@@ -0,0 +1,574 @@
+-- mods/default/functions.lua
+
+--
+-- Sounds
+--
+
+function default.node_sound_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "", gain = 1.0}
+	table.dug = table.dug or
+			{name = "default_dug_node", gain = 0.25}
+	table.place = table.place or
+			{name = "default_place_node_hard", gain = 1.0}
+	return table
+end
+
+function default.node_sound_stone_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "default_hard_footstep", gain = 0.3}
+	table.dug = table.dug or
+			{name = "default_hard_footstep", gain = 1.0}
+	default.node_sound_defaults(table)
+	return table
+end
+
+function default.node_sound_dirt_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "default_dirt_footstep", gain = 0.4}
+	table.dug = table.dug or
+			{name = "default_dirt_footstep", gain = 1.0}
+	table.place = table.place or
+			{name = "default_place_node", gain = 1.0}
+	default.node_sound_defaults(table)
+	return table
+end
+
+function default.node_sound_sand_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "default_sand_footstep", gain = 0.12}
+	table.dug = table.dug or
+			{name = "default_sand_footstep", gain = 0.24}
+	table.place = table.place or
+			{name = "default_place_node", gain = 1.0}
+	default.node_sound_defaults(table)
+	return table
+end
+
+function default.node_sound_gravel_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "default_gravel_footstep", gain = 0.4}
+	table.dug = table.dug or
+			{name = "default_gravel_footstep", gain = 1.0}
+	table.place = table.place or
+			{name = "default_place_node", gain = 1.0}
+	default.node_sound_defaults(table)
+	return table
+end
+
+function default.node_sound_wood_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "default_wood_footstep", gain = 0.3}
+	table.dug = table.dug or
+			{name = "default_wood_footstep", gain = 1.0}
+	default.node_sound_defaults(table)
+	return table
+end
+
+function default.node_sound_leaves_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "default_grass_footstep", gain = 0.45}
+	table.dug = table.dug or
+			{name = "default_grass_footstep", gain = 0.7}
+	table.place = table.place or
+			{name = "default_place_node", gain = 1.0}
+	default.node_sound_defaults(table)
+	return table
+end
+
+function default.node_sound_glass_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "default_glass_footstep", gain = 0.3}
+	table.dig = table.dig or
+			{name = "default_glass_footstep", gain = 0.5}
+	table.dug = table.dug or
+			{name = "default_break_glass", gain = 1.0}
+	default.node_sound_defaults(table)
+	return table
+end
+
+function default.node_sound_metal_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "default_metal_footstep", gain = 0.4}
+	table.dig = table.dig or
+			{name = "default_dig_metal", gain = 0.5}
+	table.dug = table.dug or
+			{name = "default_dug_metal", gain = 0.5}
+	table.place = table.place or
+			{name = "default_place_node_metal", gain = 0.5}
+	default.node_sound_defaults(table)
+	return table
+end
+
+function default.node_sound_water_defaults(table)
+	table = table or {}
+	table.footstep = table.footstep or
+			{name = "default_water_footstep", gain = 0.2}
+	default.node_sound_defaults(table)
+	return table
+end
+
+--
+-- Lavacooling
+--
+
+default.cool_lava = function(pos, node)
+	if node.name == "default:lava_source" then
+		minetest.set_node(pos, {name = "default:obsidian"})
+	else -- Lava flowing
+		minetest.set_node(pos, {name = "default:stone"})
+	end
+	minetest.sound_play("default_cool_lava",
+		{pos = pos, max_hear_distance = 16, gain = 0.25})
+end
+
+if minetest.settings:get_bool("enable_lavacooling") ~= false then
+	minetest.register_abm({
+		label = "Lava cooling",
+		nodenames = {"default:lava_source", "default:lava_flowing"},
+		neighbors = {"group:cools_lava", "group:water"},
+		interval = 1,
+		chance = 2,
+		catch_up = false,
+		action = default.cool_lava,
+	})
+end
+
+--
+-- optimized helper to put all items in an inventory into a drops list
+--
+
+function default.get_inventory_drops(pos, inventory, drops)
+	local inv = minetest.get_meta(pos):get_inventory()
+	local n = #drops
+	for i = 1, inv:get_size(inventory) do
+		local stack = inv:get_stack(inventory, i)
+		if stack:get_count() > 0 then
+			drops[n+1] = stack:to_table()
+			n = n + 1
+		end
+	end
+end
+
+--
+-- Papyrus and cactus growing
+--
+
+-- wrapping the functions in abm action is necessary to make overriding them possible
+
+function default.grow_cactus(pos, node)
+	if node.param2 >= 4 then
+		return
+	end
+	pos.y = pos.y - 1
+	if minetest.get_item_group(minetest.get_node(pos).name, "sand") == 0 then
+		return
+	end
+	pos.y = pos.y + 1
+	local height = 0
+	while node.name == "default:cactus" and height < 4 do
+		height = height + 1
+		pos.y = pos.y + 1
+		node = minetest.get_node(pos)
+	end
+	if height == 4 or node.name ~= "air" then
+		return
+	end
+	if minetest.get_node_light(pos) < 13 then
+		return
+	end
+	minetest.set_node(pos, {name = "default:cactus"})
+	return true
+end
+
+function default.grow_papyrus(pos, node)
+	pos.y = pos.y - 1
+	local name = minetest.get_node(pos).name
+	if name ~= "default:dirt_with_grass" and name ~= "default:dirt" then
+		return
+	end
+	if not minetest.find_node_near(pos, 3, {"group:water"}) then
+		return
+	end
+	pos.y = pos.y + 1
+	local height = 0
+	while node.name == "default:papyrus" and height < 4 do
+		height = height + 1
+		pos.y = pos.y + 1
+		node = minetest.get_node(pos)
+	end
+	if height == 4 or node.name ~= "air" then
+		return
+	end
+	if minetest.get_node_light(pos) < 13 then
+		return
+	end
+	minetest.set_node(pos, {name = "default:papyrus"})
+	return true
+end
+
+minetest.register_abm({
+	label = "Grow cactus",
+	nodenames = {"default:cactus"},
+	neighbors = {"group:sand"},
+	interval = 12,
+	chance = 83,
+	action = default.grow_cactus
+})
+
+minetest.register_abm({
+	label = "Grow papyrus",
+	nodenames = {"default:papyrus"},
+	neighbors = {"default:dirt", "default:dirt_with_grass"},
+	interval = 14,
+	chance = 71,
+	action = default.grow_papyrus
+})
+
+
+--
+-- dig upwards
+--
+
+function default.dig_up(pos, node, 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 == node.name then
+		minetest.node_dig(np, nn, digger)
+	end
+end
+
+
+--
+-- Fence registration helper
+--
+
+function default.register_fence(name, def)
+	minetest.register_craft({
+		output = name .. " 4",
+		recipe = {
+			{ def.material, 'group:stick', def.material },
+			{ def.material, 'group:stick', def.material },
+		}
+	})
+
+	local fence_texture = "default_fence_overlay.png^" .. def.texture ..
+			"^default_fence_overlay.png^[makealpha:255,126,126"
+	-- Allow almost everything to be overridden
+	local default_fields = {
+		paramtype = "light",
+		drawtype = "nodebox",
+		node_box = {
+			type = "connected",
+			fixed = {{-1/8, -1/2, -1/8, 1/8, 1/2, 1/8}},
+			-- connect_top =
+			-- connect_bottom =
+			connect_front = {{-1/16,3/16,-1/2,1/16,5/16,-1/8},
+				{-1/16,-5/16,-1/2,1/16,-3/16,-1/8}},
+			connect_left = {{-1/2,3/16,-1/16,-1/8,5/16,1/16},
+				{-1/2,-5/16,-1/16,-1/8,-3/16,1/16}},
+			connect_back = {{-1/16,3/16,1/8,1/16,5/16,1/2},
+				{-1/16,-5/16,1/8,1/16,-3/16,1/2}},
+			connect_right = {{1/8,3/16,-1/16,1/2,5/16,1/16},
+				{1/8,-5/16,-1/16,1/2,-3/16,1/16}},
+		},
+		connects_to = {"group:fence", "group:wood", "group:tree"},
+		inventory_image = fence_texture,
+		wield_image = fence_texture,
+		tiles = {def.texture},
+		sunlight_propagates = true,
+		is_ground_content = false,
+		groups = {},
+	}
+	for k, v in pairs(default_fields) do
+		if not def[k] then
+			def[k] = v
+		end
+	end
+
+	-- Always add to the fence group, even if no group provided
+	def.groups.fence = 1
+
+	def.texture = nil
+	def.material = nil
+
+	minetest.register_node(name, def)
+end
+
+
+--
+-- Leafdecay
+--
+
+-- Prevent decay of placed leaves
+
+default.after_place_leaves = function(pos, placer, itemstack, pointed_thing)
+	if placer and not placer:get_player_control().sneak then
+		local node = minetest.get_node(pos)
+		node.param2 = 1
+		minetest.set_node(pos, node)
+	end
+end
+
+-- Leafdecay
+local function leafdecay_after_destruct(pos, oldnode, def)
+	for _, v in pairs(minetest.find_nodes_in_area(vector.subtract(pos, def.radius),
+			vector.add(pos, def.radius), def.leaves)) do
+		local node = minetest.get_node(v)
+		local timer = minetest.get_node_timer(v)
+		if node.param2 == 0 and not timer:is_started() then
+			timer:start(math.random(20, 120) / 10)
+		end
+	end
+end
+
+local function leafdecay_on_timer(pos, def)
+	if minetest.find_node_near(pos, def.radius, def.trunks) then
+		return false
+	end
+
+	local node = minetest.get_node(pos)
+	local drops = minetest.get_node_drops(node.name)
+	for _, item in ipairs(drops) do
+		local is_leaf
+		for _, v in pairs(def.leaves) do
+			if v == item then
+				is_leaf = true
+			end
+		end
+		if minetest.get_item_group(item, "leafdecay_drop") ~= 0 or
+				not is_leaf then
+			minetest.add_item({
+				x = pos.x - 0.5 + math.random(),
+				y = pos.y - 0.5 + math.random(),
+				z = pos.z - 0.5 + math.random(),
+			}, item)
+		end
+	end
+
+	minetest.remove_node(pos)
+	minetest.check_for_falling(pos)
+end
+
+function default.register_leafdecay(def)
+	assert(def.leaves)
+	assert(def.trunks)
+	assert(def.radius)
+	for _, v in pairs(def.trunks) do
+		minetest.override_item(v, {
+			after_destruct = function(pos, oldnode)
+				leafdecay_after_destruct(pos, oldnode, def)
+			end,
+		})
+	end
+	for _, v in pairs(def.leaves) do
+		minetest.override_item(v, {
+			on_timer = function(pos)
+				leafdecay_on_timer(pos, def)
+			end,
+		})
+	end
+end
+
+--
+-- Convert dirt to something that fits the environment
+--
+
+minetest.register_abm({
+	label = "Grass spread",
+	nodenames = {"default:dirt"},
+	neighbors = {
+		"air",
+		"group:grass",
+		"group:dry_grass",
+		"default:snow",
+	},
+	interval = 6,
+	chance = 50,
+	catch_up = false,
+	action = function(pos, node)
+		-- Check for darkness: night, shadow or under a light-blocking node
+		-- Returns if ignore above
+		local above = {x = pos.x, y = pos.y + 1, z = pos.z}
+		if (minetest.get_node_light(above) or 0) < 13 then
+			return
+		end
+
+		-- Look for spreading dirt-type neighbours
+		local p2 = minetest.find_node_near(pos, 1, "group:spreading_dirt_type")
+		if p2 then
+			local n3 = minetest.get_node(p2)
+			minetest.set_node(pos, {name = n3.name})
+			return
+		end
+
+		-- Else, any seeding nodes on top?
+		local name = minetest.get_node(above).name
+		-- Snow check is cheapest, so comes first
+		if name == "default:snow" then
+			minetest.set_node(pos, {name = "default:dirt_with_snow"})
+		-- Most likely case first
+		elseif minetest.get_item_group(name, "grass") ~= 0 then
+			minetest.set_node(pos, {name = "default:dirt_with_grass"})
+		elseif minetest.get_item_group(name, "dry_grass") ~= 0 then
+			minetest.set_node(pos, {name = "default:dirt_with_dry_grass"})
+		end
+	end
+})
+
+
+--
+-- Grass and dry grass removed in darkness
+--
+
+minetest.register_abm({
+	label = "Grass covered",
+	nodenames = {"group:spreading_dirt_type"},
+	interval = 8,
+	chance = 50,
+	catch_up = false,
+	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
+})
+
+
+--
+-- Moss growth on cobble near water
+--
+
+minetest.register_abm({
+	label = "Moss growth",
+	nodenames = {"default:cobble", "stairs:slab_cobble", "stairs:stair_cobble", "walls:cobble"},
+	neighbors = {"group:water"},
+	interval = 16,
+	chance = 200,
+	catch_up = false,
+	action = function(pos, node)
+		if node.name == "default:cobble" then
+			minetest.set_node(pos, {name = "default:mossycobble"})
+		elseif node.name == "stairs:slab_cobble" then
+			minetest.set_node(pos, {name = "stairs:slab_mossycobble", param2 = node.param2})
+		elseif node.name == "stairs:stair_cobble" then
+			minetest.set_node(pos, {name = "stairs:stair_mossycobble", param2 = node.param2})
+		elseif node.name == "walls:cobble" then
+			minetest.set_node(pos, {name = "walls:mossycobble", param2 = node.param2})
+		end
+	end
+})
+
+
+--
+-- Checks if specified volume intersects a protected volume
+--
+
+function default.intersects_protection(minp, maxp, player_name, interval)
+	-- 'interval' is the largest allowed interval for the 3D lattice of checks
+
+	-- Compute the optimal float step 'd' for each axis so that all corners and
+	-- borders are checked. 'd' will be smaller or equal to 'interval'.
+	-- Subtracting 1e-4 ensures that the max co-ordinate will be reached by the
+	-- for loop (which might otherwise not be the case due to rounding errors).
+	local d = {}
+	for _, c in pairs({"x", "y", "z"}) do
+		if maxp[c] > minp[c] then
+			d[c] = (maxp[c] - minp[c]) / math.ceil((maxp[c] - minp[c]) / interval) - 1e-4
+		elseif maxp[c] == minp[c] then
+			d[c] = 1 -- Any value larger than 0 to avoid division by zero
+		else -- maxp[c] < minp[c], print error and treat as protection intersected
+			minetest.log("error", "maxp < minp in 'default.intersects_protection()'")
+			return true
+		end
+	end
+
+	for zf = minp.z, maxp.z, d.z do
+		local z = math.floor(zf + 0.5)
+		for yf = minp.y, maxp.y, d.y do
+			local y = math.floor(yf + 0.5)
+			for xf = minp.x, maxp.x, d.x do
+				local x = math.floor(xf + 0.5)
+				if minetest.is_protected({x = x, y = y, z = z}, player_name) then
+					return true
+				end
+			end
+		end
+	end
+
+	return false
+end
+
+
+--
+-- Coral death near air
+--
+
+minetest.register_abm({
+	nodenames = {"default:coral_brown", "default:coral_orange"},
+	neighbors = {"air"},
+	interval = 17,
+	chance = 5,
+	catch_up = false,
+	action = function(pos, node)
+		minetest.set_node(pos, {name = "default:coral_skeleton"})
+	end,
+})
+
+
+--
+-- NOTICE: This method is not an official part of the API yet!
+-- This method may change in future.
+--
+
+function default.can_interact_with_node(player, pos)
+	if player then
+		if minetest.check_player_privs(player, "protection_bypass") then
+			return true
+		end
+	else
+		return false
+	end
+
+	local meta = minetest.get_meta(pos)
+	local owner = meta:get_string("owner")
+
+	if not owner or owner == "" or owner == player:get_player_name() then
+		return true
+	end
+
+	-- is player wielding the right key?
+	local item = player:get_wielded_item()
+	if item:get_name() == "default:key" then
+		local key_meta = item:get_meta()
+
+		if key_meta:get_string("secret") == "" then
+			local key_oldmeta = item:get_metadata()
+			if key_oldmeta == "" or not minetest.parse_json(key_oldmeta) then
+				return false
+			end
+
+			key_meta:set_string("secret", minetest.parse_json(key_oldmeta).secret)
+			item:set_metadata("")
+		end
+
+		return meta:get_string("key_lock_secret") == key_meta:get_string("secret")
+	end
+
+	return false
+end

mods/default/furnace.lua

@@ -0,0 +1,330 @@
+
+--
+-- Formspecs
+--
+
+local function active_formspec(fuel_percent, item_percent)
+	local formspec =
+		"size[8,8.5]"..
+		default.gui_bg..
+		default.gui_bg_img..
+		default.gui_slots..
+		"list[current_name;src;2.75,0.5;1,1;]"..
+		"list[current_name;fuel;2.75,2.5;1,1;]"..
+		"image[2.75,1.5;1,1;default_furnace_fire_bg.png^[lowpart:"..
+		(100-fuel_percent)..":default_furnace_fire_fg.png]"..
+		"image[3.75,1.5;1,1;gui_furnace_arrow_bg.png^[lowpart:"..
+		(item_percent)..":gui_furnace_arrow_fg.png^[transformR270]"..
+		"list[current_name;dst;4.75,0.96;2,2;]"..
+		"list[current_player;main;0,4.25;8,1;]"..
+		"list[current_player;main;0,5.5;8,3;8]"..
+		"listring[current_name;dst]"..
+		"listring[current_player;main]"..
+		"listring[current_name;src]"..
+		"listring[current_player;main]"..
+		"listring[current_name;fuel]"..
+		"listring[current_player;main]"..
+		default.get_hotbar_bg(0, 4.25)
+	return formspec
+end
+
+local inactive_formspec =
+	"size[8,8.5]"..
+	default.gui_bg..
+	default.gui_bg_img..
+	default.gui_slots..
+	"list[current_name;src;2.75,0.5;1,1;]"..
+	"list[current_name;fuel;2.75,2.5;1,1;]"..
+	"image[2.75,1.5;1,1;default_furnace_fire_bg.png]"..
+	"image[3.75,1.5;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
+	"list[current_name;dst;4.75,0.96;2,2;]"..
+	"list[current_player;main;0,4.25;8,1;]"..
+	"list[current_player;main;0,5.5;8,3;8]"..
+	"listring[current_name;dst]"..
+	"listring[current_player;main]"..
+	"listring[current_name;src]"..
+	"listring[current_player;main]"..
+	"listring[current_name;fuel]"..
+	"listring[current_player;main]"..
+	default.get_hotbar_bg(0, 4.25)
+
+--
+-- Node callback functions that are the same for active and inactive furnace
+--
+
+local function can_dig(pos, player)
+	local meta = minetest.get_meta(pos);
+	local inv = meta:get_inventory()
+	return inv:is_empty("fuel") and inv:is_empty("dst") and inv:is_empty("src")
+end
+
+local function allow_metadata_inventory_put(pos, listname, index, stack, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return 0
+	end
+	local meta = minetest.get_meta(pos)
+	local inv = meta:get_inventory()
+	if listname == "fuel" then
+		if minetest.get_craft_result({method="fuel", width=1, items={stack}}).time ~= 0 then
+			if inv:is_empty("src") then
+				meta:set_string("infotext", "Furnace is empty")
+			end
+			return stack:get_count()
+		else
+			return 0
+		end
+	elseif listname == "src" then
+		return stack:get_count()
+	elseif listname == "dst" then
+		return 0
+	end
+end
+
+local function allow_metadata_inventory_move(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)
+	return allow_metadata_inventory_put(pos, to_list, to_index, stack, player)
+end
+
+local function allow_metadata_inventory_take(pos, listname, index, stack, player)
+	if minetest.is_protected(pos, player:get_player_name()) then
+		return 0
+	end
+	return stack:get_count()
+end
+
+local function swap_node(pos, name)
+	local node = minetest.get_node(pos)
+	if node.name == name then
+		return
+	end
+	node.name = name
+	minetest.swap_node(pos, node)
+end
+
+local function furnace_node_timer(pos, elapsed)
+	--
+	-- Inizialize metadata
+	--
+	local meta = minetest.get_meta(pos)
+	local fuel_time = meta:get_float("fuel_time") or 0
+	local src_time = meta:get_float("src_time") or 0
+	local fuel_totaltime = meta:get_float("fuel_totaltime") or 0
+
+	local inv = meta:get_inventory()
+	local srclist, fuellist
+
+	local cookable, cooked
+	local fuel
+
+	local update = true
+	while update do
+		update = false
+
+		srclist = inv:get_list("src")
+		fuellist = inv:get_list("fuel")
+
+		--
+		-- Cooking
+		--
+
+		-- Check if we have cookable content
+		local aftercooked
+		cooked, aftercooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
+		cookable = cooked.time ~= 0
+
+		-- Check if we have enough fuel to burn
+		if fuel_time < fuel_totaltime then
+			-- The furnace is currently active and has enough fuel
+			fuel_time = fuel_time + elapsed
+			-- If there is a cookable item then check if it is ready yet
+			if cookable then
+				src_time = src_time + elapsed
+				if src_time >= cooked.time then
+					-- Place result in dst list if possible
+					if inv:room_for_item("dst", cooked.item) then
+						inv:add_item("dst", cooked.item)
+						inv:set_stack("src", 1, aftercooked.items[1])
+						src_time = src_time - cooked.time
+						update = true
+					end
+				end
+			end
+		else
+			-- Furnace ran out of fuel
+			if cookable then
+				-- We need to get new fuel
+				local afterfuel
+				fuel, afterfuel = minetest.get_craft_result({method = "fuel", width = 1, items = fuellist})
+
+				if fuel.time == 0 then
+					-- No valid fuel in fuel list
+					fuel_totaltime = 0
+					src_time = 0
+				else
+					-- Take fuel from fuel list
+					inv:set_stack("fuel", 1, afterfuel.items[1])
+					update = true
+					fuel_totaltime = fuel.time + (fuel_time - fuel_totaltime)
+					src_time = src_time + elapsed
+				end
+			else
+				-- We don't need to get new fuel since there is no cookable item
+				fuel_totaltime = 0
+				src_time = 0
+			end
+			fuel_time = 0
+		end
+
+		elapsed = 0
+	end
+
+	if fuel and fuel_totaltime > fuel.time then
+		fuel_totaltime = fuel.time
+	end
+	if srclist[1]:is_empty() then
+		src_time = 0
+	end
+
+	--
+	-- Update formspec, infotext and node
+	--
+	local formspec = inactive_formspec
+	local item_state
+	local item_percent = 0
+	if cookable then
+		item_percent = math.floor(src_time / cooked.time * 100)
+		if item_percent > 100 then
+			item_state = "100% (output full)"
+		else
+			item_state = item_percent .. "%"
+		end
+	else
+		if srclist[1]:is_empty() then
+			item_state = "Empty"
+		else
+			item_state = "Not cookable"
+		end
+	end
+
+	local fuel_state = "Empty"
+	local active = "inactive "
+	local result = false
+
+	if fuel_totaltime ~= 0 then
+		active = "active "
+		local fuel_percent = math.floor(fuel_time / fuel_totaltime * 100)
+		fuel_state = fuel_percent .. "%"
+		formspec = active_formspec(fuel_percent, item_percent)
+		swap_node(pos, "default:furnace_active")
+		-- make sure timer restarts automatically
+		result = true
+	else
+		if not fuellist[1]:is_empty() then
+			fuel_state = "0%"
+		end
+		swap_node(pos, "default:furnace")
+		-- stop timer on the inactive furnace
+		minetest.get_node_timer(pos):stop()
+	end
+
+	local infotext = "Furnace " .. active .. "(Item: " .. item_state .. "; Fuel: " .. fuel_state .. ")"
+
+	--
+	-- Set meta values
+	--
+	meta:set_float("fuel_totaltime", fuel_totaltime)
+	meta:set_float("fuel_time", fuel_time)
+	meta:set_float("src_time", src_time)
+	meta:set_string("formspec", formspec)
+	meta:set_string("infotext", infotext)
+
+	return result
+end
+
+--
+-- Node definitions
+--
+
+minetest.register_node("default:furnace", {
+	description = "Furnace",
+	tiles = {
+		"default_furnace_top.png", "default_furnace_bottom.png",
+		"default_furnace_side.png", "default_furnace_side.png",
+		"default_furnace_side.png", "default_furnace_front.png"
+	},
+	paramtype2 = "facedir",
+	groups = {cracky=2},
+	legacy_facedir_simple = true,
+	is_ground_content = false,
+	sounds = default.node_sound_stone_defaults(),
+
+	can_dig = can_dig,
+
+	on_timer = furnace_node_timer,
+
+	on_construct = function(pos)
+		local meta = minetest.get_meta(pos)
+		meta:set_string("formspec", inactive_formspec)
+		local inv = meta:get_inventory()
+		inv:set_size('src', 1)
+		inv:set_size('fuel', 1)
+		inv:set_size('dst', 4)
+	end,
+
+	on_metadata_inventory_move = function(pos)
+		minetest.get_node_timer(pos):start(1.0)
+	end,
+	on_metadata_inventory_put = function(pos)
+		-- start timer function, it will sort out whether furnace can burn or not.
+		minetest.get_node_timer(pos):start(1.0)
+	end,
+	on_blast = function(pos)
+		local drops = {}
+		default.get_inventory_drops(pos, "src", drops)
+		default.get_inventory_drops(pos, "fuel", drops)
+		default.get_inventory_drops(pos, "dst", drops)
+		drops[#drops+1] = "default:furnace"
+		minetest.remove_node(pos)
+		return drops
+	end,
+
+	allow_metadata_inventory_put = allow_metadata_inventory_put,
+	allow_metadata_inventory_move = allow_metadata_inventory_move,
+	allow_metadata_inventory_take = allow_metadata_inventory_take,
+})
+
+minetest.register_node("default:furnace_active", {
+	description = "Furnace",
+	tiles = {
+		"default_furnace_top.png", "default_furnace_bottom.png",
+		"default_furnace_side.png", "default_furnace_side.png",
+		"default_furnace_side.png",
+		{
+			image = "default_furnace_front_active.png",
+			backface_culling = false,
+			animation = {
+				type = "vertical_frames",
+				aspect_w = 16,
+				aspect_h = 16,
+				length = 1.5
+			},
+		}
+	},
+	paramtype2 = "facedir",
+	light_source = 8,
+	drop = "default:furnace",
+	groups = {cracky=2, not_in_creative_inventory=1},
+	legacy_facedir_simple = true,
+	is_ground_content = false,
+	sounds = default.node_sound_stone_defaults(),
+	on_timer = furnace_node_timer,
+
+	can_dig = can_dig,
+
+	allow_metadata_inventory_put = allow_metadata_inventory_put,
+	allow_metadata_inventory_move = allow_metadata_inventory_move,
+	allow_metadata_inventory_take = allow_metadata_inventory_take,
+})
+

mods/default/init.lua

@@ -0,0 +1,52 @@
+-- Minetest 0.4 mod: default
+-- See README.txt for licensing and other information.
+
+-- The API documentation in here was moved into game_api.txt
+
+-- Definitions made by this mod that other mods can use too
+default = {}
+
+default.LIGHT_MAX = 14
+
+-- GUI related stuff
+default.gui_bg = "bgcolor[#080808BB;true]"
+default.gui_bg_img = "background[5,5;1,1;gui_formbg.png;true]"
+default.gui_slots = "listcolors[#00000069;#5A5A5A;#141318;#30434C;#FFF]"
+
+function default.get_hotbar_bg(x,y)
+	local out = ""
+	for i=0,7,1 do
+		out = out .."image["..x+i..","..y..";1,1;gui_hb_bg.png]"
+	end
+	return out
+end
+
+default.gui_survival_form = "size[8,8.5]"..
+			default.gui_bg..
+			default.gui_bg_img..
+			default.gui_slots..
+			"list[current_player;main;0,4.25;8,1;]"..
+			"list[current_player;main;0,5.5;8,3;8]"..
+			"list[current_player;craft;1.75,0.5;3,3;]"..
+			"list[current_player;craftpreview;5.75,1.5;1,1;]"..
+			"image[4.75,1.5;1,1;gui_furnace_arrow_bg.png^[transformR270]"..
+			"listring[current_player;main]"..
+			"listring[current_player;craft]"..
+			default.get_hotbar_bg(0,4.25)
+
+-- Load files
+local default_path = minetest.get_modpath("default")
+
+dofile(default_path.."/functions.lua")
+dofile(default_path.."/trees.lua")
+dofile(default_path.."/nodes.lua")
+dofile(default_path.."/furnace.lua")
+dofile(default_path.."/torch.lua")
+dofile(default_path.."/tools.lua")
+dofile(default_path.."/item_entity.lua")
+dofile(default_path.."/craftitems.lua")
+dofile(default_path.."/crafting.lua")
+dofile(default_path.."/mapgen.lua")
+dofile(default_path.."/player.lua")
+dofile(default_path.."/aliases.lua")
+dofile(default_path.."/legacy.lua")

mods/default/item_entity.lua

@@ -0,0 +1,74 @@
+-- mods/default/item_entity.lua
+
+local builtin_item = minetest.registered_entities["__builtin:item"]
+
+local item = {
+	set_item = function(self, itemstring)
+		builtin_item.set_item(self, itemstring)
+
+		local stack = ItemStack(itemstring)
+		local itemdef = minetest.registered_items[stack:get_name()]
+		if itemdef and itemdef.groups.flammable ~= 0 then
+			self.flammable = itemdef.groups.flammable
+		end
+	end,
+
+	burn_up = function(self)
+		-- disappear in a smoke puff
+		self.object:remove()
+		local p = self.object:getpos()
+		minetest.sound_play("default_item_smoke", {
+			pos = p,
+			max_hear_distance = 8,
+		})
+		minetest.add_particlespawner({
+			amount = 3,
+			time = 0.1,
+			minpos = {x = p.x - 0.1, y = p.y + 0.1, z = p.z - 0.1 },
+			maxpos = {x = p.x + 0.1, y = p.y + 0.2, z = p.z + 0.1 },
+			minvel = {x = 0, y = 2.5, z = 0},
+			maxvel = {x = 0, y = 2.5, z = 0},
+			minacc = {x = -0.15, y = -0.02, z = -0.15},
+			maxacc = {x = 0.15, y = -0.01, z = 0.15},
+			minexptime = 4,
+			maxexptime = 6,
+			minsize = 5,
+			maxsize = 5,
+			collisiondetection = true,
+			texture = "default_item_smoke.png"
+		})
+	end,
+
+	on_step = function(self, dtime)
+		builtin_item.on_step(self, dtime)
+
+		if self.flammable then
+			-- flammable, check for igniters
+			self.ignite_timer = (self.ignite_timer or 0) + dtime
+			if self.ignite_timer > 10 then
+				self.ignite_timer = 0
+
+				local node = minetest.get_node_or_nil(self.object:getpos())
+				if not node then
+					return
+				end
+
+				-- Immediately burn up flammable items in lava
+				if minetest.get_item_group(node.name, "lava") > 0 then
+					self:burn_up()
+				else
+					--  otherwise there'll be a chance based on its igniter value
+					local burn_chance = self.flammable
+						* minetest.get_item_group(node.name, "igniter")
+					if burn_chance > 0 and math.random(0, burn_chance) ~= 0 then
+						self:burn_up()
+					end
+				end
+			end
+		end
+	end,
+}
+
+-- set defined item as new __builtin:item, with the old one as fallback table
+setmetatable(item, builtin_item)
+minetest.register_entity(":__builtin:item", item)

mods/default/legacy.lua

@@ -0,0 +1,25 @@
+-- mods/default/legacy.lua
+
+-- Horrible stuff to support old code registering falling nodes
+-- Don't use this and never do what this does, it's completely wrong!
+-- (More specifically, the client and the C++ code doesn't get the group)
+function default.register_falling_node(nodename, texture)
+	minetest.log("error", debug.traceback())
+	minetest.log('error', "WARNING: default.register_falling_node is deprecated")
+	if minetest.registered_nodes[nodename] then
+		minetest.registered_nodes[nodename].groups.falling_node = 1
+	end
+end
+
+function default.spawn_falling_node(p, nodename)
+	spawn_falling_node(p, nodename)
+end
+
+-- Liquids
+WATER_ALPHA = minetest.registered_nodes["default:water_source"].alpha
+WATER_VISC = minetest.registered_nodes["default:water_source"].liquid_viscosity
+LAVA_VISC = minetest.registered_nodes["default:lava_source"].liquid_viscosity
+LIGHT_MAX = default.LIGHT_MAX
+
+-- Formspecs
+default.gui_suvival_form = default.gui_survival_form