Prevent divide by zero (#2106)

This forces all explosions to damage entities within the 1 node
range. If that needs to be disabled, the damage_radius needs to
be set to 0.

game_api.txt

@@ -155,7 +155,8 @@ The doors mod allows modders to register custom doors and trapdoors.
 ### Fence gate definition
 
 	description = "Wooden Fence Gate",
-	texture = "default_wood.png",
+	texture = "default_wood.png", -- `backface_culling` will automatically be
+	                              -- set to `true` if not specified.
 	material = "default:wood",
 	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	sounds = default.node_sound_wood_defaults(), -- optional
@@ -303,12 +304,13 @@ TNT API
   * `bottom` Bottom tile. By default the name of the tnt with a suffix of `_bottom.png`.
   * `burning` Top tile when lit. By default the name of the tnt with a suffix of `_top_burning_animated.png".
 
-`tnt.boom(position, definition)`
+`tnt.boom(position[, definition])`
 
 ^ Create an explosion.
 
 * `position` The center of explosion.
-* `definition` The TNT definion as passed to `tnt.register`
+* `definition` The TNT definion as passed to `tnt.register` with the following addition:
+ * `explode_center` false by default which removes TNT node on blast, when true will explode center node.
 
 `tnt.burn(position, [nodename])`
 

mods/beds/api.lua

@@ -49,21 +49,24 @@ function beds.register_bed(name, def)
 			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
+					not (placer and placer:is_player() 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
+			if udef and udef.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())
+			local player_name = placer and placer:get_player_name() or ""
+
+			if minetest.is_protected(pos, player_name) and
+					not minetest.check_player_privs(player_name, "protection_bypass") then
+				minetest.record_protection_violation(pos, player_name)
 				return itemstack
 			end
 
@@ -72,12 +75,13 @@ function beds.register_bed(name, def)
 				return itemstack
 			end
 
-			local dir = minetest.dir_to_facedir(placer:get_look_dir())
+			local dir = placer and placer:get_look_dir() and
+				minetest.dir_to_facedir(placer:get_look_dir()) or 0
 			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())
+			if minetest.is_protected(botpos, player_name) and
+					not minetest.check_player_privs(player_name, "protection_bypass") then
+				minetest.record_protection_violation(botpos, player_name)
 				return itemstack
 			end
 
@@ -90,7 +94,7 @@ function beds.register_bed(name, def)
 			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
+					and creative.is_enabled_for(player_name)) then
 				itemstack:take_item()
 			end
 			return itemstack

mods/boats/init.lua

@@ -230,7 +230,8 @@ minetest.register_craftitem("boats:boat", {
 		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
+				not (placer and placer:is_player() and
+				placer:get_player_control().sneak) then
 			return udef.on_rightclick(under, node, placer, itemstack,
 				pointed_thing) or itemstack
 		end
@@ -244,9 +245,12 @@ minetest.register_craftitem("boats:boat", {
 		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
+			if placer then
+				boat:setyaw(placer:get_look_horizontal())
+			end
+			local player_name = placer and placer:get_player_name() or ""
+			if not (creative and creative.is_enabled_for and
+					creative.is_enabled_for(player_name)) then
 				itemstack:take_item()
 			end
 		end

mods/bones/init.lua

@@ -68,6 +68,12 @@ minetest.register_node("bones:bones", {
 	on_metadata_inventory_take = function(pos, listname, index, stack, player)
 		local meta = minetest.get_meta(pos)
 		if meta:get_inventory():is_empty("main") then
+			local inv = player:get_inventory()
+			if inv:room_for_item("main", {name = "bones:bones"}) then
+				inv:add_item("main", {name = "bones:bones"})
+			else
+				minetest.add_item(pos, "bones:bones")
+			end
 			minetest.remove_node(pos)
 		end
 	end,

mods/bucket/init.lua

@@ -69,7 +69,8 @@ function bucket.register_liquid(source, flowing, itemname, inventory_image, 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
+						not (user and user:is_player() and
+						user:get_player_control().sneak) then
 					return ndef.on_rightclick(
 						pointed_thing.under,
 						node, user,

mods/carts/cart_entity.lua

@@ -58,7 +58,8 @@ 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 vel = self.object:getvelocity()
+	if not self.railtype or vector.equals(vel, {x=0, y=0, z=0}) then
 		local node = minetest.get_node(pos).name
 		self.railtype = minetest.get_item_group(node, "connect_to_raillike")
 	end
@@ -105,7 +106,6 @@ function cart_entity:on_punch(puncher, time_from_last_punch, tool_capabilities,
 		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
@@ -367,7 +367,8 @@ minetest.register_craftitem("carts:cart", {
 		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
+				not (placer and placer:is_player() and
+				placer:get_player_control().sneak) then
 			return udef.on_rightclick(under, node, placer, itemstack,
 				pointed_thing) or itemstack
 		end

mods/carts/functions.lua

@@ -159,23 +159,29 @@ function carts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
 end
 
 function carts:pathfinder(pos_, old_pos, old_dir, ctrl, pf_switch, railtype)
+	if vector.equals(old_pos, pos_) then
+		return true
+	end
+
 	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)
 
-		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)
+
+		if vector.equals(pf_pos, pos) then
+			-- Success! Cart moved on correctly
+			return true
+		end
 	end
 	-- Cart not found
 	return false
@@ -211,7 +217,12 @@ 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}
+	local groups = {
+		dig_immediate = 2,
+		attached_node = 1,
+		rail = 1,
+		connect_to_raillike = minetest.raillike_group("rail")
+	}
 	if type(additional_groups) == "table" then
 		for k, v in pairs(additional_groups) do
 			groups[k] = v

mods/creative/init.lua

@@ -40,16 +40,16 @@ end
 
 -- Unlimited node placement
 minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack)
-	return creative.is_enabled_for(placer:get_player_name())
+	if placer and placer:is_player() then
+		return creative.is_enabled_for(placer:get_player_name())
+	end
 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
+	if not digger or not digger:is_player() or
+		not creative.is_enabled_for(digger:get_player_name()) then
 		return old_handle_node_drops(pos, drops, digger)
 	end
 	local inv = digger:get_inventory()

mods/creative/inventory.lua

@@ -1,4 +1,19 @@
 local player_inventory = {}
+local inventory_cache = {}
+
+local function init_creative_cache(items)
+	inventory_cache[items] = {}
+	local i_cache = inventory_cache[items]
+
+	for name, def in pairs(items) do
+		if def.groups.not_in_creative_inventory ~= 1 and
+				def.description and def.description ~= "" then
+			i_cache[name] = def
+		end
+	end
+	table.sort(i_cache)
+	return i_cache
+end
 
 function creative.init_creative_inventory(player)
 	local player_name = player:get_player_name()
@@ -10,22 +25,25 @@ function creative.init_creative_inventory(player)
 
 	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
+			local name = player2 and player2:get_player_name() or ""
+			if not creative.is_enabled_for(name) or
+					to_list == "main" then
 				return 0
 			end
+			return count
 		end,
 		allow_put = function(inv, listname, index, stack, player2)
 			return 0
 		end,
 		allow_take = function(inv, listname, index, stack, player2)
+			local name = player2 and player2:get_player_name() or ""
+			if not creative.is_enabled_for(name) then
+				return 0
+			end
 			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")
@@ -42,11 +60,11 @@ function creative.update_creative_inventory(player_name, tab_content)
 			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
+	local items = inventory_cache[tab_content] or init_creative_cache(tab_content)
+
+	for name, def in pairs(items) do
+		if 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
@@ -100,6 +118,8 @@ function creative.register_tab(name, title, items)
 					button[2.75,3.4;0.8,0.5;creative_clear;X]
 					tooltip[creative_search;Search]
 					tooltip[creative_clear;Reset]
+					tooltip[creative_prev;Previous page]
+					tooltip[creative_next;Next page]
 					listring[current_player;main]
 					field_close_on_enter[creative_filter;false]
 				]] ..
@@ -158,10 +178,6 @@ function creative.register_tab(name, title, items)
 	})
 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)

mods/default/README.txt

@@ -119,6 +119,7 @@ paramat (CC BY-SA 3.0):
   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)
+  default_bookshelf_slot.png -- Derived from a texture by Gambit (CC-BY-SA 3.0)
 
 brunob.santos (CC BY-SA 4.0):
   default_desert_cobble.png
@@ -131,7 +132,6 @@ BlockMen (CC BY-SA 3.0):
   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
@@ -145,11 +145,7 @@ BlockMen (CC BY-SA 3.0):
   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)
@@ -186,6 +182,7 @@ Gambit (CC BY-SA 3.0):
   default_snowball.png
   default_key.png
   default_key_skeleton.png
+  default_book.png
 
 asl97 (CC BY-SA 3.0):
   default_ice.png
@@ -221,6 +218,9 @@ kilbith (CC BY-SA 3.0):
   default_tin_ingot.png
   default_tin_lump.png
 
+CloudyProton (CC BY-SA 3.0):
+  default_book_written.png, based on default_book.png by Gambit
+
 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/

mods/default/crafting.lua

@@ -190,6 +190,9 @@ minetest.register_craft({
 	}
 })
 
+-- Axes
+-- Recipes face left to match appearence in textures and inventory
+
 minetest.register_craft({
 	output = 'default:axe_wood',
 	recipe = {
@@ -244,60 +247,6 @@ minetest.register_craft({
 	}
 })
 
-minetest.register_craft({
-	output = 'default:axe_wood',
-	recipe = {
-		{'group:wood', 'group:wood'},
-		{'group:stick', 'group:wood'},
-		{'group:stick',''},
-	}
-})
-
-minetest.register_craft({
-	output = 'default:axe_stone',
-	recipe = {
-		{'group:stone', 'group:stone'},
-		{'group:stick', 'group:stone'},
-		{'group:stick', ''},
-	}
-})
-
-minetest.register_craft({
-	output = 'default:axe_steel',
-	recipe = {
-		{'default:steel_ingot', 'default:steel_ingot'},
-		{'group:stick', 'default:steel_ingot'},
-		{'group:stick', ''},
-	}
-})
-
-minetest.register_craft({
-	output = 'default:axe_bronze',
-	recipe = {
-		{'default:bronze_ingot', 'default:bronze_ingot'},
-		{'group:stick', 'default:bronze_ingot'},
-		{'group:stick', ''},
-	}
-})
-
-minetest.register_craft({
-	output = 'default:axe_mese',
-	recipe = {
-		{'default:mese_crystal', 'default:mese_crystal'},
-		{'group:stick', 'default:mese_crystal'},
-		{'group:stick', ''},
-	}
-})
-
-minetest.register_craft({
-	output = 'default:axe_diamond',
-	recipe = {
-		{'default:diamond', 'default:diamond'},
-		{'group:stick', 'default:diamond'},
-		{'group:stick', ''},
-	}
-})
-
 minetest.register_craft({
 	output = 'default:sword_wood',
 	recipe = {
@@ -904,7 +853,7 @@ minetest.register_craft({
 -- Fuels
 --
 
--- Support use of group:tree
+-- Support use of group:tree, includes default:tree which has the same burn time
 minetest.register_craft({
 	type = "fuel",
 	recipe = "group:tree",
@@ -927,12 +876,6 @@ minetest.register_craft({
 	burntime = 26,
 })
 
-minetest.register_craft({
-	type = "fuel",
-	recipe = "default:tree",
-	burntime = 30,
-})
-
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:acacia_tree",
@@ -946,7 +889,7 @@ minetest.register_craft({
 })
 
 
--- Support use of group:wood
+-- Support use of group:wood, includes default:wood which has the same burn time
 minetest.register_craft({
 	type = "fuel",
 	recipe = "group:wood",
@@ -965,12 +908,6 @@ minetest.register_craft({
 	burntime = 6,
 })
 
-minetest.register_craft({
-	type = "fuel",
-	recipe = "default:wood",
-	burntime = 7,
-})
-
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:acacia_wood",
@@ -984,53 +921,47 @@ minetest.register_craft({
 })
 
 
--- Support use of group:sapling
+-- Support use of group:sapling, includes default:sapling which has the same burn time
 minetest.register_craft({
 	type = "fuel",
 	recipe = "group:sapling",
-	burntime = 10,
+	burntime = 5,
 })
 
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:bush_sapling",
-	burntime = 6,
+	burntime = 3,
 })
 
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:acacia_bush_sapling",
-	burntime = 7,
+	burntime = 4,
 })
 
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:aspen_sapling",
-	burntime = 8,
+	burntime = 4,
 })
 
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:pine_sapling",
-	burntime = 9,
-})
-
-minetest.register_craft({
-	type = "fuel",
-	recipe = "default:sapling",
-	burntime = 10,
+	burntime = 5,
 })
 
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:acacia_sapling",
-	burntime = 11,
+	burntime = 6,
 })
 
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:junglesapling",
-	burntime = 12,
+	burntime = 6,
 })
 
 
@@ -1080,13 +1011,13 @@ minetest.register_craft({
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:junglegrass",
-	burntime = 2,
+	burntime = 3,
 })
 
 minetest.register_craft({
 	type = "fuel",
 	recipe = "group:leaves",
-	burntime = 1,
+	burntime = 4,
 })
 
 minetest.register_craft({
@@ -1098,7 +1029,7 @@ minetest.register_craft({
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:papyrus",
-	burntime = 1,
+	burntime = 3,
 })
 
 minetest.register_craft({
@@ -1110,7 +1041,7 @@ minetest.register_craft({
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:ladder_wood",
-	burntime = 2,
+	burntime = 7,
 })
 
 minetest.register_craft({
@@ -1143,12 +1074,6 @@ minetest.register_craft({
 	burntime = 30,
 })
 
-minetest.register_craft({
-	type = "fuel",
-	recipe = "default:apple",
-	burntime = 3,
-})
-
 minetest.register_craft({
 	type = "fuel",
 	recipe = "default:coal_lump",

mods/default/craftitems.lua

@@ -75,12 +75,16 @@ local function book_on_use(itemstack, user)
 	return itemstack
 end
 
+local max_text_size = 10000
+local max_title_size = 80
+local short_title_size = 35
 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
+	if fields.save and fields.title and fields.text
+			and fields.title ~= "" and fields.text ~= "" then
 		local new_stack, data
 		if stack:get_name() ~= "default:book_written" then
 			local count = stack:get_count()
@@ -99,11 +103,16 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		end
 
 		if not data then data = {} end
-		data.title = fields.title
+		data.title = fields.title:sub(1, max_title_size)
 		data.owner = player:get_player_name()
-		data.description = "\""..fields.title.."\" by "..data.owner
-		data.text = fields.text
-		data.text_len = #data.text
+		local short_title = data.title
+		-- Don't bother triming the title if the trailing dots would make it longer
+		if #short_title > short_title_size + 3 then
+			short_title = short_title:sub(1, short_title_size) .. "..."
+		end
+		data.description = "\""..short_title.."\" by "..data.owner
+		data.text = fields.text:sub(1, max_text_size)
+		data.text = data.text:gsub("\r\n", "\n"):gsub("\r", "\n")
 		data.page = 1
 		data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp)
 

mods/default/functions.lua

@@ -136,10 +136,12 @@ if minetest.settings:get_bool("enable_lavacooling") ~= false then
 		label = "Lava cooling",
 		nodenames = {"default:lava_source", "default:lava_flowing"},
 		neighbors = {"group:cools_lava", "group:water"},
-		interval = 1,
+		interval = 2,
 		chance = 2,
 		catch_up = false,
-		action = default.cool_lava,
+		action = function(...)
+			default.cool_lava(...)
+		end,
 	})
 end
 
@@ -222,7 +224,9 @@ minetest.register_abm({
 	neighbors = {"group:sand"},
 	interval = 12,
 	chance = 83,
-	action = default.grow_cactus
+	action = function(...)
+		default.grow_cactus(...)
+	end
 })
 
 minetest.register_abm({
@@ -231,7 +235,9 @@ minetest.register_abm({
 	neighbors = {"default:dirt", "default:dirt_with_grass"},
 	interval = 14,
 	chance = 71,
-	action = default.grow_papyrus
+	action = function(...)
+		default.grow_papyrus(...)
+	end
 })
 
 
@@ -291,7 +297,7 @@ function default.register_fence(name, def)
 		groups = {},
 	}
 	for k, v in pairs(default_fields) do
-		if not def[k] then
+		if def[k] == nil then
 			def[k] = v
 		end
 	end
@@ -313,7 +319,7 @@ end
 -- 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
+	if placer and placer:is_player() and not placer:get_player_control().sneak then
 		local node = minetest.get_node(pos)
 		node.param2 = 1
 		minetest.set_node(pos, node)

mods/default/furnace.lua

@@ -119,7 +119,7 @@ local function furnace_node_timer(pos, elapsed)
 	local fuel
 
 	local update = true
-	while update do
+	while elapsed > 0 and update do
 		update = false
 
 		srclist = inv:get_list("src")
@@ -134,13 +134,18 @@ local function furnace_node_timer(pos, elapsed)
 		cooked, aftercooked = minetest.get_craft_result({method = "cooking", width = 1, items = srclist})
 		cookable = cooked.time ~= 0
 
+		local el = math.min(elapsed, fuel_totaltime - fuel_time)
+		if cookable then -- fuel lasts long enough, adjust el to cooking duration
+			el = math.min(el, cooked.time - src_time)
+		end
+
 		-- 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
+			fuel_time = fuel_time + el
 			-- If there is a cookable item then check if it is ready yet
 			if cookable then
-				src_time = src_time + elapsed
+				src_time = src_time + el
 				if src_time >= cooked.time then
 					-- Place result in dst list if possible
 					if inv:room_for_item("dst", cooked.item) then
@@ -149,6 +154,9 @@ local function furnace_node_timer(pos, elapsed)
 						src_time = src_time - cooked.time
 						update = true
 					end
+				else
+					-- Item could not be cooked: probably missing fuel
+					update = true
 				end
 			end
 		else
@@ -166,8 +174,7 @@ local function furnace_node_timer(pos, elapsed)
 					-- 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
+					fuel_totaltime = fuel.time + (fuel_totaltime - fuel_time)
 				end
 			else
 				-- We don't need to get new fuel since there is no cookable item
@@ -177,7 +184,7 @@ local function furnace_node_timer(pos, elapsed)
 			fuel_time = 0
 		end
 
-		elapsed = 0
+		elapsed = elapsed - el
 	end
 
 	if fuel and fuel_totaltime > fuel.time then

mods/default/license.txt

@@ -19,7 +19,7 @@ Licenses of media (textures, models and sounds)
 -----------------------------------------------
 
 Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
-Copyright (C) 2010-2016:
+Copyright (C) 2010-2017:
   celeron55, Perttu Ahola <celeron55@gmail.com>
   Cisoun
   G4JC
@@ -44,6 +44,7 @@ Copyright (C) 2010-2016:
   GreenXenith
   kaeza
   kilbith
+  CloudyProton
 
 You are free to:
 Share — copy and redistribute the material in any medium or format.
@@ -111,7 +112,6 @@ http://creativecommons.org/licenses/by-sa/4.0/
 Attribution-ShareAlike 2.0 Generic (CC BY-SA 2.0)
 Copyright (C) 2014-2016 Neuromancer
 
-
 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.

mods/default/nodes.lua

@@ -440,7 +440,7 @@ minetest.register_node("default:dirt_with_snow", {
 	tiles = {"default_snow.png", "default_dirt.png",
 		{name = "default_dirt.png^default_snow_side.png",
 			tileable_vertical = false}},
-	groups = {crumbly = 3, spreading_dirt_type = 1, snowy = 1},
+	groups = {crumbly = 3, soil = 1, spreading_dirt_type = 1, snowy = 1},
 	drop = 'default:dirt',
 	sounds = default.node_sound_dirt_defaults({
 		footstep = {name = "default_snow_footstep", gain = 0.15},
@@ -608,7 +608,7 @@ minetest.register_node("default:sapling", {
 	sounds = default.node_sound_leaves_defaults(),
 
 	on_construct = function(pos)
-		minetest.get_node_timer(pos):start(math.random(2400,4800))
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
 	end,
 
 	on_place = function(itemstack, placer, pointed_thing)
@@ -673,9 +673,7 @@ minetest.register_node("default:apple", {
 	sounds = default.node_sound_leaves_defaults(),
 
 	after_place_node = function(pos, placer, itemstack)
-		if placer:is_player() then
-			minetest.set_node(pos, {name = "default:apple", param2 = 1})
-		end
+		minetest.set_node(pos, {name = "default:apple", param2 = 1})
 	end,
 })
 
@@ -742,7 +740,7 @@ minetest.register_node("default:junglesapling", {
 	sounds = default.node_sound_leaves_defaults(),
 
 	on_construct = function(pos)
-		minetest.get_node_timer(pos):start(math.random(2400,4800))
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
 	end,
 
 	on_place = function(itemstack, placer, pointed_thing)
@@ -821,7 +819,7 @@ minetest.register_node("default:pine_sapling", {
 	sounds = default.node_sound_leaves_defaults(),
 
 	on_construct = function(pos)
-		minetest.get_node_timer(pos):start(math.random(2400,4800))
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
 	end,
 
 	on_place = function(itemstack, placer, pointed_thing)
@@ -901,7 +899,7 @@ minetest.register_node("default:acacia_sapling", {
 	sounds = default.node_sound_leaves_defaults(),
 
 	on_construct = function(pos)
-		minetest.get_node_timer(pos):start(math.random(2400,4800))
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
 	end,
 
 	on_place = function(itemstack, placer, pointed_thing)
@@ -979,7 +977,7 @@ minetest.register_node("default:aspen_sapling", {
 	sounds = default.node_sound_leaves_defaults(),
 
 	on_construct = function(pos)
-		minetest.get_node_timer(pos):start(math.random(2400,4800))
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
 	end,
 
 	on_place = function(itemstack, placer, pointed_thing)
@@ -1362,7 +1360,7 @@ minetest.register_node("default:bush_sapling", {
 	sounds = default.node_sound_leaves_defaults(),
 
 	on_construct = function(pos)
-		minetest.get_node_timer(pos):start(math.random(1200, 2400))
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
 	end,
 
 	on_place = function(itemstack, placer, pointed_thing)
@@ -1433,7 +1431,7 @@ minetest.register_node("default:acacia_bush_sapling", {
 	sounds = default.node_sound_leaves_defaults(),
 
 	on_construct = function(pos)
-		minetest.get_node_timer(pos):start(math.random(1200, 2400))
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
 	end,
 
 	on_place = function(itemstack, placer, pointed_thing)
@@ -1783,13 +1781,14 @@ local function get_chest_formspec(pos)
 end
 
 local function chest_lid_obstructed(pos)
-	local above = { x = pos.x, y = pos.y + 1, z = pos.z }
+	local above = {x = pos.x, y = pos.y + 1, z = pos.z}
 	local def = minetest.registered_nodes[minetest.get_node(above).name]
 	-- allow ladders, signs, wallmounted things and torches to not obstruct
-	if def.drawtype == "airlike" or
+	if def and
+			(def.drawtype == "airlike" or
 			def.drawtype == "signlike" or
 			def.drawtype == "torchlike" or
-			(def.drawtype == "nodebox" and def.paramtype2 == "wallmounted") then
+			(def.drawtype == "nodebox" and def.paramtype2 == "wallmounted")) then
 		return false
 	end
 	return true
@@ -1797,6 +1796,24 @@ end
 
 local open_chests = {}
 
+local function chest_lid_close(pn)
+	local pos = open_chests[pn].pos
+	local sound = open_chests[pn].sound
+	local swap = open_chests[pn].swap
+
+	open_chests[pn] = nil
+	for k, v in pairs(open_chests) do
+		if v.pos.x == pos.x and v.pos.y == pos.y and v.pos.z == pos.z then
+			return true
+		end
+	end
+
+	local node = minetest.get_node(pos)
+	minetest.after(0.2, minetest.swap_node, pos, { name = "default:" .. swap,
+			param2 = node.param2 })
+	minetest.sound_play(sound, {gain = 0.3, pos = pos, max_hear_distance = 10})
+end
+
 minetest.register_on_player_receive_fields(function(player, formname, fields)
 	if formname ~= "default:chest" then
 		return
@@ -1810,23 +1827,17 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		return
 	end
 
-	local pos = open_chests[pn].pos
-	local sound = open_chests[pn].sound
-	local swap = open_chests[pn].swap
-	local node = minetest.get_node(pos)
-
-	open_chests[pn] = nil
-	for k, v in pairs(open_chests) do
-		if v.pos.x == pos.x and v.pos.y == pos.y and v.pos.z == pos.z then
-			return true
-		end
-	end
-	minetest.after(0.2, minetest.swap_node, pos, { name = "default:" .. swap,
-			param2 = node.param2 })
-	minetest.sound_play(sound, {gain = 0.3, pos = pos, max_hear_distance = 10})
+	chest_lid_close(pn)
 	return true
 end)
 
+minetest.register_on_leaveplayer(function(player)
+	local pn = player:get_player_name()
+	if open_chests[pn] then
+		chest_lid_close(pn)
+	end
+end)
+
 function default.register_chest(name, d)
 	local def = table.copy(d)
 	def.drawtype = "mesh"
@@ -1960,6 +1971,13 @@ function default.register_chest(name, d)
 			open_chests[clicker:get_player_name()] = { pos = pos,
 					sound = def.sound_close, swap = name }
 		end
+		def.on_blast = function(pos)
+			local drops = {}
+			default.get_inventory_drops(pos, "main", drops)
+			drops[#drops+1] = "default:" .. name
+			minetest.remove_node(pos)
+			return drops
+		end
 	end
 
 	def.on_metadata_inventory_move = function(pos, from_list, from_index,
@@ -1977,27 +1995,28 @@ function default.register_chest(name, d)
 			" takes " .. stack:get_name() ..
 			" from chest at " .. minetest.pos_to_string(pos))
 	end
-	def.on_blast = function(pos)
-		local drops = {}
-		default.get_inventory_drops(pos, "main", drops)
-		drops[#drops+1] = "default:chest"
-		minetest.remove_node(pos)
-		return drops
-	end
 
 	local def_opened = table.copy(def)
 	local def_closed = table.copy(def)
 
 	def_opened.mesh = "chest_open.obj"
+	for i = 1, #def_opened.tiles do
+		if type(def_opened.tiles[i]) == "string" then
+			def_opened.tiles[i] = {name = def_opened.tiles[i], backface_culling = true}
+		elseif def_opened.tiles[i].backface_culling == nil then
+			def_opened.tiles[i].backface_culling = true
+		end
+	end
 	def_opened.drop = "default:" .. name
 	def_opened.groups.not_in_creative_inventory = 1
 	def_opened.selection_box = {
 		type = "fixed",
 		fixed = { -1/2, -1/2, -1/2, 1/2, 3/16, 1/2 },
-		}
+	}
 	def_opened.can_dig = function()
 		return false
 	end
+	def_opened.on_blast = function() end
 
 	def_closed.mesh = nil
 	def_closed.drawtype = nil

mods/default/tools.lua

@@ -389,7 +389,8 @@ minetest.register_tool("default:key", {
 		local node = minetest.get_node(under)
 		local def = minetest.registered_nodes[node.name]
 		if def and def.on_rightclick and
-				not (placer and placer:get_player_control().sneak) then
+				not (placer and placer:is_player() and
+				placer:get_player_control().sneak) then
 			return def.on_rightclick(under, node, placer, itemstack,
 				pointed_thing) or itemstack
 		end

mods/default/torch.lua

@@ -63,7 +63,8 @@ minetest.register_node("default:torch", {
 		local node = minetest.get_node(under)
 		local def = minetest.registered_nodes[node.name]
 		if def and def.on_rightclick and
-			((not placer) or (placer and not placer:get_player_control().sneak)) then
+			not (placer and placer:is_player() and
+			placer:get_player_control().sneak) then
 			return def.on_rightclick(under, node, placer, itemstack,
 				pointed_thing) or itemstack
 		end

mods/default/trees.lua

@@ -31,12 +31,12 @@ local function is_snow_nearby(pos)
 end
 
 
--- Sapling ABM
+-- Grow sapling
 
 function default.grow_sapling(pos)
 	if not default.can_grow(pos) then
-		-- try a bit later again
-		minetest.get_node_timer(pos):start(math.random(240, 600))
+		-- try again 5 min later
+		minetest.get_node_timer(pos):start(300)
 		return
 	end
 
@@ -94,7 +94,7 @@ minetest.register_lbm({
 			"default:pine_sapling", "default:acacia_sapling",
 			"default:aspen_sapling"},
 	action = function(pos)
-		minetest.get_node_timer(pos):start(math.random(1200, 2400))
+		minetest.get_node_timer(pos):start(math.random(300, 1500))
 	end
 })
 
@@ -468,7 +468,9 @@ function default.sapling_on_place(itemstack, placer, pointed_thing,
 	local node = minetest.get_node_or_nil(pos)
 	local pdef = node and minetest.registered_nodes[node.name]
 
-	if pdef and pdef.on_rightclick and not placer:get_player_control().sneak then
+	if pdef and pdef.on_rightclick and
+			not (placer and placer:is_player() and
+			placer:get_player_control().sneak) then
 		return pdef.on_rightclick(pos, node, placer, itemstack, pointed_thing)
 	end
 
@@ -481,7 +483,7 @@ function default.sapling_on_place(itemstack, placer, pointed_thing,
 		end
 	end
 
-	local player_name = placer:get_player_name()
+	local player_name = placer and placer:get_player_name() or ""
 	-- Check sapling position for protection
 	if minetest.is_protected(pos, player_name) then
 		minetest.record_protection_violation(pos, player_name)

mods/doors/init.lua

@@ -203,12 +203,7 @@ end
 
 local function can_dig_door(pos, digger)
 	replace_old_owner_information(pos)
-	if default.can_interact_with_node(digger, pos) then
-		return true
-	else
-		minetest.record_protection_violation(pos, digger:get_player_name())
-		return false
-	end
+	return default.can_interact_with_node(digger, pos)
 end
 
 function doors.register(name, def)
@@ -266,7 +261,8 @@ function doors.register(name, def)
 			local node = minetest.get_node(pointed_thing.under)
 			local pdef = minetest.registered_nodes[node.name]
 			if pdef and pdef.on_rightclick and
-					not placer:get_player_control().sneak then
+					not (placer and placer:is_player() and
+					placer:get_player_control().sneak) then
 				return pdef.on_rightclick(pointed_thing.under,
 						node, placer, itemstack, pointed_thing)
 			end
@@ -290,12 +286,12 @@ function doors.register(name, def)
 				return itemstack
 			end
 
-			local pn = placer:get_player_name()
+			local pn = placer and placer:get_player_name() or ""
 			if minetest.is_protected(pos, pn) or minetest.is_protected(above, pn) then
 				return itemstack
 			end
 
-			local dir = minetest.dir_to_facedir(placer:get_look_dir())
+			local dir = placer and minetest.dir_to_facedir(placer:get_look_dir()) or 0
 
 			local ref = {
 				{x = -1, y = 0, z = 0},
@@ -712,7 +708,7 @@ function doors.register_fencegate(name, def)
 	local fence = {
 		description = def.description,
 		drawtype = "mesh",
-		tiles = {def.texture},
+		tiles = {},
 		paramtype = "light",
 		paramtype2 = "facedir",
 		sunlight_propagates = true,
@@ -734,6 +730,16 @@ function doors.register_fencegate(name, def)
 		},
 	}
 
+
+	if type(def.texture) == "string" then
+		fence.tiles[1] = {name = def.texture, backface_culling = true}
+	elseif def.texture.backface_culling == nil then
+		fence.tiles[1] = table.copy(def.texture)
+		fence.tiles[1].backface_culling = true
+	else
+		fence.tiles[1] = def.texture
+	end
+
 	if not fence.sounds then
 		fence.sounds = default.node_sound_wood_defaults()
 	end

mods/farming/api.lua

@@ -118,15 +118,6 @@ farming.register_hoe = function(name, def)
 				{"", "group:stick", ""}
 			}
 		})
-		-- Reverse Recipe
-		minetest.register_craft({
-			output = name:sub(2),
-			recipe = {
-				{"", def.material, def.material},
-				{"", "group:stick", ""},
-				{"", "group:stick", ""}
-			}
-		})
 	end
 end
 
@@ -153,12 +144,14 @@ farming.place_seed = function(itemstack, placer, pointed_thing, plantname)
 	local under = minetest.get_node(pt.under)
 	local above = minetest.get_node(pt.above)
 
-	if minetest.is_protected(pt.under, placer:get_player_name()) then
-		minetest.record_protection_violation(pt.under, placer:get_player_name())
+	local player_name = placer and placer:get_player_name() or ""
+
+	if minetest.is_protected(pt.under, player_name) then
+		minetest.record_protection_violation(pt.under, player_name)
 		return
 	end
-	if minetest.is_protected(pt.above, placer:get_player_name()) then
-		minetest.record_protection_violation(pt.above, placer:get_player_name())
+	if minetest.is_protected(pt.above, player_name) then
+		minetest.record_protection_violation(pt.above, player_name)
 		return
 	end
 
@@ -189,7 +182,7 @@ farming.place_seed = function(itemstack, placer, pointed_thing, plantname)
 	minetest.add_node(pt.above, {name = plantname, param2 = 1})
 	tick(pt.above)
 	if not (creative and creative.is_enabled_for
-			and creative.is_enabled_for(placer:get_player_name())) then
+			and creative.is_enabled_for(player_name)) then
 		itemstack:take_item()
 	end
 	return itemstack
@@ -319,7 +312,8 @@ farming.register_plant = function(name, def)
 			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
+					not (placer and placer:is_player() and
+					placer:get_player_control().sneak) then
 				return udef.on_rightclick(under, node, placer, itemstack,
 					pointed_thing) or itemstack
 			end

mods/farming/depends.txt

@@ -1,2 +1,3 @@
 default
 wool
+stairs

mods/farming/nodes.lua

@@ -98,6 +98,16 @@ minetest.register_node("farming:straw", {
 	sounds = default.node_sound_leaves_defaults(),
 })
 
+stairs.register_stair_and_slab(
+	"straw",
+	"farming:straw",
+	{snappy = 3, flammable = 4},
+	{"farming_straw.png"},
+	"Straw Stair",
+	"Straw Slab",
+	default.node_sound_leaves_defaults()
+)
+
 minetest.register_abm({
 	label = "Farming soil",
 	nodenames = {"group:field"},

mods/flowers/init.lua

@@ -127,24 +127,29 @@ function flowers.flower_spread(pos, node)
 
 	local pos0 = vector.subtract(pos, 4)
 	local pos1 = vector.add(pos, 4)
-	if #minetest.find_nodes_in_area(pos0, pos1, "group:flora") > 3 then
+	-- Maximum flower density created by mapgen is 13 per 9x9 area.
+	-- The limit of 7 below was tuned by in-game testing to result in a maximum
+	-- flower density by ABM spread of 13 per 9x9 area.
+	-- Warning: Setting this limit theoretically without in-game testing
+	-- results in a maximum flower density by ABM spread that is far too high.
+	if #minetest.find_nodes_in_area(pos0, pos1, "group:flora") > 7 then
 		return
 	end
 
 	local soils = minetest.find_nodes_in_area_under_air(
 		pos0, pos1, "group:soil")
-	if #soils > 0 then
-		local seedling = soils[math.random(#soils)]
-		local seedling_above =
-			{x = seedling.x, y = seedling.y + 1, z = seedling.z}
-		light = minetest.get_node_light(seedling_above)
-		if not light or light < 13 or
-				-- Desert sand is in the soil group
-				minetest.get_node(seedling).name == "default:desert_sand" then
-			return
+	local num_soils = #soils
+	if num_soils >= 1 then
+		for si = 1, math.min(3, num_soils) do
+			local soil = soils[math.random(num_soils)]
+			local soil_above = {x = soil.x, y = soil.y + 1, z = soil.z}
+			light = minetest.get_node_light(soil_above)
+			if light and light >= 13 and
+					-- Desert sand is in the soil group
+					minetest.get_node(soil).name ~= "default:desert_sand" then
+				minetest.set_node(soil_above, {name = node.name})
+			end
 		end
-
-		minetest.set_node(seedling_above, {name = node.name})
 	end
 end
 
@@ -152,7 +157,7 @@ minetest.register_abm({
 	label = "Flower spread",
 	nodenames = {"group:flora"},
 	interval = 13,
-	chance = 96,
+	chance = 300,
 	action = function(...)
 		flowers.flower_spread(...)
 	end,
@@ -204,38 +209,34 @@ minetest.register_node("flowers:mushroom_brown", {
 
 -- Mushroom spread and death
 
+function flowers.mushroom_spread(pos, node)
+	if minetest.get_node_light(pos, nil) == 15 then
+		minetest.remove_node(pos)
+		return
+	end
+	local positions = minetest.find_nodes_in_area_under_air(
+		{x = pos.x - 1, y = pos.y - 2, z = pos.z - 1},
+		{x = pos.x + 1, y = pos.y + 1, z = pos.z + 1},
+		{"group:soil", "group:tree"})
+	if #positions == 0 then
+		return
+	end
+	local pos2 = positions[math.random(#positions)]
+	pos2.y = pos2.y + 1
+	if minetest.get_node_light(pos, 0.5) <= 3 and
+			minetest.get_node_light(pos2, 0.5) <= 3 then
+		minetest.set_node(pos2, {name = node.name})
+	end
+end
+
 minetest.register_abm({
 	label = "Mushroom spread",
 	nodenames = {"flowers:mushroom_brown", "flowers:mushroom_red"},
 	interval = 11,
-	chance = 50,
-	action = function(pos, node)
-		if minetest.get_node_light(pos, nil) == 15 then
-			minetest.remove_node(pos)
-			return
-		end
-		local random = {
-			x = pos.x + math.random(-2, 2),
-			y = pos.y + math.random(-1, 1),
-			z = pos.z + math.random(-2, 2)
-		}
-		local random_node = minetest.get_node_or_nil(random)
-		if not random_node or random_node.name ~= "air" then
-			return
-		end
-		local node_under = minetest.get_node_or_nil({x = random.x,
-			y = random.y - 1, z = random.z})
-		if not node_under then
-			return
-		end
-
-		if (minetest.get_item_group(node_under.name, "soil") ~= 0 or
-				minetest.get_item_group(node_under.name, "tree") ~= 0) and
-				minetest.get_node_light(pos, 0.5) <= 3 and
-				minetest.get_node_light(random, 0.5) <= 3 then
-			minetest.set_node(random, {name = node.name})
-		end
-	end
+	chance = 150,
+	action = function(...)
+		flowers.mushroom_spread(...)
+	end,
 })
 
 
@@ -280,12 +281,17 @@ minetest.register_node("flowers:waterlily", {
 
 	on_place = function(itemstack, placer, pointed_thing)
 		local pos = pointed_thing.above
-		local node = minetest.get_node(pointed_thing.under).name
-		local def = minetest.registered_nodes[node]
-		local player_name = placer:get_player_name()
+		local node = minetest.get_node(pointed_thing.under)
+		local def = minetest.registered_nodes[node.name]
+		local player_name = placer and placer:get_player_name() or ""
+
+		if def and def.on_rightclick then
+			return def.on_rightclick(pointed_thing.under, node, placer, itemstack,
+					pointed_thing)
+		end
 
 		if def and def.liquidtype == "source" and
-				minetest.get_item_group(node, "water") > 0 then
+				minetest.get_item_group(node.name, "water") > 0 then
 			if not minetest.is_protected(pos, player_name) then
 				minetest.set_node(pos, {name = "flowers:waterlily",
 					param2 = math.random(0, 3)})

mods/screwdriver/init.lua

@@ -85,9 +85,10 @@ screwdriver.handler = function(itemstack, user, pointed_thing, mode, uses)
 	end
 
 	local pos = pointed_thing.under
+	local player_name = user and user:get_player_name() or ""
 
-	if minetest.is_protected(pos, user:get_player_name()) then
-		minetest.record_protection_violation(pos, user:get_player_name())
+	if minetest.is_protected(pos, player_name) then
+		minetest.record_protection_violation(pos, player_name)
 		return
 	end
 
@@ -133,8 +134,8 @@ screwdriver.handler = function(itemstack, user, pointed_thing, mode, uses)
 		minetest.check_for_falling(pos)
 	end
 
-	if not (creative and creative.is_enabled_for
-			and creative.is_enabled_for(user:get_player_name())) then
+	if not (creative and creative.is_enabled_for and
+			creative.is_enabled_for(player_name)) then
 		itemstack:add_wear(65535 / ((uses or 200) - 1))
 	end
 

mods/sfinv/api.lua

@@ -29,7 +29,8 @@ end
 function sfinv.get_nav_fs(player, context, nav, current_idx)
 	-- Only show tabs if there is more than one page
 	if #nav > 1 then
-		return "tabheader[0,0;tabs;" .. table.concat(nav, ",") .. ";" .. current_idx .. ";true;false]"
+		return "tabheader[0,0;sfinv_nav_tabs;" .. table.concat(nav, ",") ..
+				";" .. current_idx .. ";true;false]"
 	else
 		return ""
 	end
@@ -84,9 +85,20 @@ function sfinv.get_formspec(player, context)
 		return page:get(player, context)
 	else
 		local old_page = context.page
-		context.page = sfinv.get_homepage_name(player)
+		local home_page = sfinv.get_homepage_name(player)
+
+		if old_page == home_page then
+			minetest.log("error", "[sfinv] Couldn't find " .. dump(old_page) ..
+					", which is also the old page")
+
+			return ""
+		end
+
+		context.page = home_page
 		assert(sfinv.pages[context.page], "[sfinv] Invalid homepage")
-		minetest.log("warning", "[sfinv] Couldn't find " .. dump(old_page) .. " so using switching to homepage")
+		minetest.log("warning", "[sfinv] Couldn't find " .. dump(old_page) ..
+				" so switching to homepage")
+
 		return sfinv.get_formspec(player, context)
 	end
 end
@@ -151,8 +163,8 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 	end
 
 	-- Was a tab selected?
-	if fields.tabs and context.nav then
-		local tid = tonumber(fields.tabs)
+	if fields.sfinv_nav_tabs and context.nav then
+		local tid = tonumber(fields.sfinv_nav_tabs)
 		if tid and tid > 0 then
 			local id = context.nav[tid]
 			local page = sfinv.pages[id]

mods/stairs/depends.txt

@@ -1,2 +1 @@
 default
-farming

mods/stairs/init.lua

@@ -22,21 +22,23 @@ local function rotate_and_place(itemstack, placer, pointed_thing)
 	local p1 = pointed_thing.above
 	local param2 = 0
 
-	local placer_pos = placer:getpos()
-	if placer_pos then
-		param2 = minetest.dir_to_facedir(vector.subtract(p1, placer_pos))
-	end
+	if placer then
+		local placer_pos = placer:getpos()
+		if placer_pos then
+			param2 = minetest.dir_to_facedir(vector.subtract(p1, placer_pos))
+		end
 
-	local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
-	local fpos = finepos.y % 1
+		local finepos = minetest.pointed_thing_to_face_pos(placer, pointed_thing)
+		local fpos = finepos.y % 1
 
-	if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)
-			or (fpos < -0.5 and fpos > -0.999999999) then
-		param2 = param2 + 20
-		if param2 == 21 then
-			param2 = 23
-		elseif param2 == 23 then
-			param2 = 21
+		if p0.y - 1 == p1.y or (fpos > 0 and fpos < 0.5)
+				or (fpos < -0.5 and fpos > -0.999999999) then
+			param2 = param2 + 20
+			if param2 == 21 then
+				param2 = 23
+			elseif param2 == 23 then
+				param2 = 21
+			end
 		end
 	end
 	return minetest.item_place(itemstack, placer, pointed_thing, param2)
@@ -46,16 +48,29 @@ end
 -- Node will be called stairs:stair_<subname>
 
 function stairs.register_stair(subname, recipeitem, groups, images, description, sounds)
-	groups.stair = 1
+	local stair_images = {}
+	for i, image in ipairs(images) do
+		if type(image) == "string" then
+			stair_images[i] = {
+				name = image,
+				backface_culling = true,
+			}
+		elseif image.backface_culling == nil then -- override using any other value
+			stair_images[i] = table.copy(image)
+			stair_images[i].backface_culling = true
+		end
+	end
+	local new_groups = table.copy(groups)
+	new_groups.stair = 1
 	minetest.register_node(":stairs:stair_" .. subname, {
 		description = description,
 		drawtype = "mesh",
 		mesh = "stairs_stair.obj",
-		tiles = images,
+		tiles = stair_images,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
-		groups = groups,
+		groups = new_groups,
 		sounds = sounds,
 		selection_box = {
 			type = "fixed",
@@ -89,16 +104,7 @@ function stairs.register_stair(subname, recipeitem, groups, images, description,
 	end
 
 	if recipeitem then
-		minetest.register_craft({
-			output = 'stairs:stair_' .. subname .. ' 8',
-			recipe = {
-				{recipeitem, "", ""},
-				{recipeitem, recipeitem, ""},
-				{recipeitem, recipeitem, recipeitem},
-			},
-		})
-
-		-- Flipped recipe for the silly minecrafters
+		-- Recipe matches appearence in inventory
 		minetest.register_craft({
 			output = 'stairs:stair_' .. subname .. ' 8',
 			recipe = {
@@ -132,7 +138,8 @@ local slab_trans_dir = {[0] = 8, 0, 2, 1, 3, 4}
 -- Node will be called stairs:slab_<subname>
 
 function stairs.register_slab(subname, recipeitem, groups, images, description, sounds)
-	groups.slab = 1
+	local new_groups = table.copy(groups)
+	new_groups.slab = 1
 	minetest.register_node(":stairs:slab_" .. subname, {
 		description = description,
 		drawtype = "nodebox",
@@ -140,7 +147,7 @@ function stairs.register_slab(subname, recipeitem, groups, images, description,
 		paramtype = "light",
 		paramtype2 = "facedir",
 		is_ground_content = false,
-		groups = groups,
+		groups = new_groups,
 		sounds = sounds,
 		node_box = {
 			type = "fixed",
@@ -149,8 +156,9 @@ function stairs.register_slab(subname, recipeitem, groups, images, description,
 		on_place = function(itemstack, placer, pointed_thing)
 			local under = minetest.get_node(pointed_thing.under)
 			local wield_item = itemstack:get_name()
+			local player_name = placer and placer:get_player_name() or ""
 			local creative_enabled = (creative and creative.is_enabled_for
-					and creative.is_enabled_for(placer:get_player_name()))
+					and creative.is_enabled_for(player_name))
 
 			if under and under.name:find("stairs:slab_") then
 				-- place slab using under node orientation
@@ -166,9 +174,8 @@ function stairs.register_slab(subname, recipeitem, groups, images, description,
 					if not recipeitem then
 						return itemstack
 					end
-					local player_name = placer:get_player_name()
 					if minetest.is_protected(pointed_thing.under, player_name) and not
-							minetest.check_player_privs(placer, "protection_bypass") then
+							minetest.check_player_privs(player_name, "protection_bypass") then
 						minetest.record_protection_violation(pointed_thing.under,
 							player_name)
 						return
@@ -538,16 +545,6 @@ stairs.register_stair_and_slab(
 	default.node_sound_stone_defaults()
 )
 
-stairs.register_stair_and_slab(
-	"straw",
-	"farming:straw",
-	{snappy = 3, flammable = 4},
-	{"farming_straw.png"},
-	"Straw Stair",
-	"Straw Slab",
-	default.node_sound_leaves_defaults()
-)
-
 stairs.register_stair_and_slab(
 	"steelblock",
 	"default:steelblock",

mods/tnt/init.lua

@@ -86,8 +86,8 @@ end
 local basic_flame_on_construct -- cached value
 local function destroy(drops, npos, cid, c_air, c_fire,
 		on_blast_queue, on_construct_queue,
-		ignore_protection, ignore_on_blast)
-	if not ignore_protection and minetest.is_protected(npos, "") then
+		ignore_protection, ignore_on_blast, owner)
+	if not ignore_protection and minetest.is_protected(npos, owner) then
 		return cid
 	end
 
@@ -208,6 +208,7 @@ local function add_effects(pos, radius, drops)
 		collisiondetection = false,
 		vertical = false,
 		texture = "tnt_boom.png",
+		glow = 15,
 	})
 	minetest.add_particlespawner({
 		amount = 64,
@@ -266,13 +267,13 @@ function tnt.burn(pos, nodename)
 	elseif def.on_ignite then
 		def.on_ignite(pos)
 	elseif minetest.get_item_group(name, "tnt") > 0 then
+		minetest.swap_node(pos, {name = name .. "_burning"})
 		minetest.sound_play("tnt_ignite", {pos = pos})
-		minetest.set_node(pos, {name = name .. "_burning"})
 		minetest.get_node_timer(pos):start(1)
 	end
 end
 
-local function tnt_explode(pos, radius, ignore_protection, ignore_on_blast)
+local function tnt_explode(pos, radius, ignore_protection, ignore_on_blast, owner, explode_center)
 	pos = vector.round(pos)
 	-- scan for adjacent TNT nodes first, and enlarge the explosion
 	local vm1 = VoxelManip()
@@ -286,6 +287,10 @@ local function tnt_explode(pos, radius, ignore_protection, ignore_on_blast)
 	local c_tnt_burning = minetest.get_content_id("tnt:tnt_burning")
 	local c_tnt_boom = minetest.get_content_id("tnt:boom")
 	local c_air = minetest.get_content_id("air")
+	-- make sure we still have explosion even when centre node isnt tnt related
+	if explode_center then
+		count = 1
+	end
 
 	for z = pos.z - 2, pos.z + 2 do
 	for y = pos.y - 2, pos.y + 2 do
@@ -333,7 +338,7 @@ local function tnt_explode(pos, radius, ignore_protection, ignore_on_blast)
 			if cid ~= c_air then
 				data[vi] = destroy(drops, p, cid, c_air, c_fire,
 					on_blast_queue, on_construct_queue,
-					ignore_protection, ignore_on_blast)
+					ignore_protection, ignore_on_blast, owner)
 			end
 		end
 		vi = vi + 1
@@ -375,16 +380,26 @@ local function tnt_explode(pos, radius, ignore_protection, ignore_on_blast)
 		queued_data.fn(queued_data.pos)
 	end
 
+	minetest.log("action", "TNT owned by " .. owner .. " detonated at " ..
+		minetest.pos_to_string(pos) .. " with radius " .. radius)
+
 	return drops, radius
 end
 
 function tnt.boom(pos, def)
+	def = def or {}
+	def.radius = def.radius or 1
+	def.damage_radius = def.damage_radius or def.radius * 2
+	local meta = minetest.get_meta(pos)
+	local owner = meta:get_string("owner")
+	if not def.explode_center then
+		minetest.set_node(pos, {name = "tnt:boom"})
+	end
 	minetest.sound_play("tnt_explode", {pos = pos, gain = 1.5, max_hear_distance = 2*64})
-	minetest.set_node(pos, {name = "tnt:boom"})
 	local drops, radius = tnt_explode(pos, def.radius, def.ignore_protection,
-			def.ignore_on_blast)
+			def.ignore_on_blast, owner, def.explode_center)
 	-- append entity drops
-	local damage_radius = (radius / def.radius) * def.damage_radius
+	local damage_radius = (radius / math.max(1, def.radius)) * def.damage_radius
 	entity_physics(pos, damage_radius, drops)
 	if not def.disable_drops then
 		eject_drops(drops, pos, radius)
@@ -400,12 +415,6 @@ minetest.register_node("tnt:boom", {
 	walkable = false,
 	drop = "",
 	groups = {dig_immediate = 3},
-	on_construct = function(pos)
-		minetest.get_node_timer(pos):start(0.4)
-	end,
-	on_timer = function(pos, elapsed)
-		minetest.remove_node(pos)
-	end,
 	-- unaffected by explosions
 	on_blast = function() end,
 })
@@ -508,17 +517,17 @@ minetest.register_node("tnt:gunpowder_burning", {
 	on_timer = function(pos, elapsed)
 		for dx = -1, 1 do
 		for dz = -1, 1 do
-		for dy = -1, 1 do
-			if not (dx == 0 and dz == 0) then
-				tnt.burn({
-					x = pos.x + dx,
-					y = pos.y + dy,
-					z = pos.z + dz,
-				})
+			if math.abs(dx) + math.abs(dz) == 1 then
+				for dy = -1, 1 do
+					tnt.burn({
+						x = pos.x + dx,
+						y = pos.y + dy,
+						z = pos.z + dz,
+					})
+				end
 			end
 		end
 		end
-		end
 		minetest.remove_node(pos)
 	end,
 	-- unaffected by explosions
@@ -579,9 +588,16 @@ function tnt.register_tnt(def)
 			is_ground_content = false,
 			groups = {dig_immediate = 2, mesecon = 2, tnt = 1, flammable = 5},
 			sounds = default.node_sound_wood_defaults(),
+			after_place_node = function(pos, placer)
+				if placer:is_player() then
+					local meta = minetest.get_meta(pos)
+					meta:set_string("owner", placer:get_player_name())
+				end
+			end,
 			on_punch = function(pos, node, puncher)
 				if puncher:get_wielded_item():get_name() == "default:torch" then
-					minetest.set_node(pos, {name = name .. "_burning"})
+					minetest.swap_node(pos, {name = name .. "_burning"})
+					minetest.registered_nodes[name .. "_burning"].on_construct(pos)
 					minetest.log("action", puncher:get_player_name() ..
 						" ignites " .. node.name .. " at " ..
 						minetest.pos_to_string(pos))
@@ -600,10 +616,12 @@ function tnt.register_tnt(def)
 				}
 			},
 			on_burn = function(pos)
-				minetest.set_node(pos, {name = name .. "_burning"})
+				minetest.swap_node(pos, {name = name .. "_burning"})
+				minetest.registered_nodes[name .. "_burning"].on_construct(pos)
 			end,
 			on_ignite = function(pos, igniter)
-				minetest.set_node(pos, {name = name .. "_burning"})
+				minetest.swap_node(pos, {name = name .. "_burning"})
+				minetest.registered_nodes[name .. "_burning"].on_construct(pos)
 			end,
 		})
 	end