Update homedecor with node placeholders

mods/homedecor_modpack/building_blocks/init.lua

@@ -164,7 +164,7 @@ minetest.register_node("building_blocks:Fireplace", {
 	},
 	paramtype = "light",
 	paramtype2 = "facedir",
-	light_source = LIGHT_MAX,
+	light_source = default.LIGHT_MAX,
 	sunlight_propagates = true,
 	is_ground_content = true,
 	groups = {cracky=2},

mods/homedecor_modpack/homedecor/clocks.lua

@@ -91,7 +91,7 @@ homedecor.register("grandfather_clock", {
 	selection_box = gf_cbox,
 	collision_box = gf_cbox,
 	sounds = default.node_sound_wood_defaults(),
-	expand = { top="air" },
+	expand = { top="placeholder" },
 	on_rotate = screwdriver.rotate_simple
 })
 

mods/homedecor_modpack/homedecor/doors_and_gates.lua

@@ -448,14 +448,6 @@ function homedecor.flip_door(pos, node, player, name, side, isClosed)
 	local rside = nil
 	local nfdir = nil
 	local ofdir = node.param2 or 0
-	-- //MFF_BEGIN(Mg|09/06/15)
-	local upnode = minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z}).name
-
-	if upnode ~= "air" then
-		minetest.add_item(pos, upnode)
-	end
-	-- //MFF_END(Mg|06/09/15)
-		
 	if side == "left" then
 		rside = "right"
 		nfdir=ofdir - 1
@@ -612,21 +604,18 @@ homedecor.register("door_japanese_closed", {
 		type = "fixed",
 		fixed = {-0.5, -0.5, -0.0625, 0.5, 1.5, 0},
 	},
-	expand = { top = "air" },
+	expand = { top = "placeholder" },
 	on_rightclick = function(pos, node, clicker)
 		minetest.set_node(pos, {name = "homedecor:door_japanese_open", param2 = node.param2})
 	end
 })
 
-minetest.register_node("homedecor:door_japanese_open", {
+homedecor.register("door_japanese_open", {
 	tiles = {
 		"homedecor_generic_wood_luxury.png",
 		"homedecor_japanese_paper.png"
 	},
-	drawtype = "mesh",
 	mesh = "homedecor_door_japanese_open.obj",
-	paramtype = "light",
-	paramtype2 = "facedir",
 	groups = { snappy = 3, not_in_creative_inventory = 1 },
 	sounds = default.node_sound_wood_defaults(),
 	on_rotate = screwdriver.disallow,
@@ -638,6 +627,7 @@ minetest.register_node("homedecor:door_japanese_open", {
 		type = "fixed",
 		fixed = {-1.5, -0.5, -0.0625, -0.5, 1.5, 0},
 	},
+	expand = { top = "placeholder" },
 	on_rightclick = function(pos, node, clicker)
 		minetest.set_node(pos, {name = "homedecor:door_japanese_closed", param2 = node.param2})
 	end,

mods/homedecor_modpack/homedecor/electronics.lua

@@ -94,7 +94,7 @@ homedecor.register("television", {
 			  }
 		   }
 	},
-	light_source = LIGHT_MAX - 1,
+	light_source = default.LIGHT_MAX - 1,
 	groups = { snappy = 3 },
 	sounds = default.node_sound_wood_defaults(),
 })

mods/homedecor_modpack/homedecor/exterior.lua

@@ -25,6 +25,7 @@ homedecor.register("barbecue", {
 	selection_box = bbq_cbox,
 	collision_box = bbq_cbox,
 	sounds = default.node_sound_stone_defaults(),
+	-- no need for placeholder it appears
 	expand = { top="air" },
 })
 
@@ -52,7 +53,7 @@ homedecor.register("bench_large_1", {
 	description = "Garden Bench (style 1)",
 	inventory_image = "homedecor_bench_large_1_inv.png",
 	groups = { snappy = 3 },
-	expand = { right="air" },
+	expand = { right="placeholder" },
 	sounds = default.node_sound_wood_defaults(),
 	selection_box = bl1_sbox,
 	node_box = bl1_cbox,
@@ -83,7 +84,7 @@ homedecor.register("bench_large_2", {
 	groups = {snappy=3},
 	selection_box = bl2_sbox,
 	node_box = bl2_cbox,
-	expand = { right="air" },
+	expand = { right="placeholder" },
 	sounds = default.node_sound_wood_defaults(),
 	on_rotate = screwdriver.disallow
 })
@@ -101,7 +102,7 @@ homedecor.register("deckchair", {
 	tiles = {"homedecor_deckchair.png"},
 	description = "Deck Chair",
 	groups = { snappy = 3 },
-	expand = { forward="air" },
+	expand = { forward="placeholder" },
 	sounds = default.node_sound_wood_defaults(),
 	selection_box = dc_cbox,
 	collision_box = dc_cbox,
@@ -116,7 +117,7 @@ homedecor.register("deckchair_striped_blue", {
 	tiles = {"homedecor_deckchair_striped_blue.png"},
 	description = "Deck Chair",
 	groups = { snappy = 3 },
-	expand = { forward="air" },
+	expand = { forward="placeholder" },
 	sounds = default.node_sound_wood_defaults(),
 	selection_box = dc_cbox,
 	collision_box = dc_cbox,
@@ -135,7 +136,7 @@ homedecor.register("doghouse", {
 	selection_box = homedecor.nodebox.slab_y(1.5),
 	collision_box = homedecor.nodebox.slab_y(1.5),
 	groups = {snappy=3},
-	expand = { top="air" },
+	expand = { top="placeholder" },
 	sounds = default.node_sound_wood_defaults(),
 	on_rotate = screwdriver.rotate_simple
 })
@@ -323,7 +324,7 @@ homedecor.register("well", {
 	groups = { snappy = 3 },
 	selection_box = homedecor.nodebox.slab_y(2),
 	collision_box = homedecor.nodebox.slab_y(2),
-	expand = { top="air" },
+	expand = { top="placeholder" },
 	sounds = default.node_sound_stone_defaults(),
 	on_rotate = screwdriver.rotate_simple
 })

mods/homedecor_modpack/homedecor/foyer.lua

@@ -32,7 +32,7 @@ homedecor.register("coat_tree", {
 	description = "Coat tree",
 	groups = {snappy=3},
 	sounds = default.node_sound_wood_defaults(),
-	expand = { top="air" },
+	expand = { top="placeholder" },
 	walkable = false,
 	selection_box = {
 		type = "fixed",

mods/homedecor_modpack/homedecor/gastronomy.lua

@@ -185,7 +185,7 @@ homedecor.register("soda_machine", {
 	groups = {snappy=3},
 	selection_box = svm_cbox,
 	collision_box = svm_cbox,
-	expand = { top="air" },
+	expand = { top="placeholder" },
 	sounds = default.node_sound_wood_defaults(),
 	on_rotate = screwdriver.rotate_simple,
 	on_punch = function(pos, node, puncher, pointed_thing)

mods/homedecor_modpack/homedecor/handlers/expansion.lua

@@ -23,36 +23,60 @@ homedecor.fdir_to_fwd = {
 	{ -1,  0 },
 }
 
--- selects which node was pointed at based on it being known, and either clickable or buildable_to
+local placeholder_node = "homedecor:expansion_placeholder"
+minetest.register_node(placeholder_node, {
+	description = "Expansion placeholder (you hacker you!)",
+	groups = { not_in_creative_inventory=1 },
+	drawtype = "airlike",
+	paramtype = "light",
+	walkable = false,
+	selection_box = { type = "fixed", fixed = { 0, 0, 0, 0, 0, 0 } },
+	is_ground_content = false,
+	sunlight_propagates = true,
+	buildable_to = false,
+})
+
+--- select which node was pointed at based on it being known, not ignored, buildable_to
+-- returns nil if no node could be selected
 local function select_node(pointed_thing)
 	local pos = pointed_thing.under
-	local def = minetest.registered_nodes[minetest.get_node(pos).name]
+	local node = minetest.get_node_or_nil(pos)
+	local def = node and minetest.registered_nodes[node.name]
 
-	if not def or (not def.on_rightclick and not def.buildable_to) then
+	if not def or not def.buildable_to then
 		pos = pointed_thing.above
-		def = minetest.registered_nodes[minetest.get_node(pos).name]
+		node = minetest.get_node_or_nil(pos)
+		def = node and minetest.registered_nodes[node.name]
 	end
-	return pos, def
+	return def and pos, def
 end
 
--- abstract function checking if 2 given nodes can and may be build to a place
-local function is_buildable_to(placer_name, pos, def, pos2)
-	local def = def or minetest.registered_nodes[minetest.get_node(pos).name]
-	local def2 = minetest.registered_nodes[minetest.get_node(pos2).name]
-
-	return def and def.buildable_to and def2 and def2.buildable_to
-		and not minetest.is_protected(pos, placer_name)
-		and not minetest.is_protected(pos2, placer_name)
+--- check if all nodes can and may be build to
+local function is_buildable_to(placer_name, ...)
+	for _, pos in ipairs({...}) do
+		local node = minetest.get_node_or_nil(pos)
+		local def = node and minetest.registered_nodes[node.name]
+		if not (def and def.buildable_to) or minetest.is_protected(pos, placer_name) then
+			return false
+		end
+	end
+	return true
 end
 
 -- place one or two nodes if and only if both can be placed
 local function stack(itemstack, placer, fdir, pos, def, pos2, node1, node2)
 	local placer_name = placer:get_player_name() or ""
-	if is_buildable_to(placer_name, pos, def, pos2) then
+	if is_buildable_to(placer_name, pos, pos2) then
 		local fdir = fdir or minetest.dir_to_facedir(placer:get_look_dir())
 		minetest.set_node(pos, { name = node1, param2 = fdir })
 		node2 = node2 or "air" -- this can be used to clear buildable_to nodes even though we are using a multinode mesh
-		minetest.set_node(pos2, { name = node2, param2 = (node2 ~= "air" and fdir) or nil })
+		-- do not assume by default, as we still might want to allow overlapping in some cases
+		local has_facedir = node2 ~= "air"
+		if node2 == "placeholder" then
+			has_facedir = false
+			node2 = placeholder_node
+		end
+		minetest.set_node(pos2, { name = node2, param2 = (has_facedir and fdir) or nil })
 
 		-- call after_place_node of the placed node if available
 		local ctrl_node_def = minetest.registered_nodes[node1]
@@ -62,20 +86,27 @@ local function stack(itemstack, placer, fdir, pos, def, pos2, node1, node2)
 
 		if not homedecor.expect_infinite_stacks then
 			itemstack:take_item()
+		end
+	end
 	return itemstack
-		end
-	end
+end
+
+local function rightclick_pointed_thing(pos, placer, itemstack)
+	local node = minetest.get_node_or_nil(pos)
+	if not node then return false end
+	local def = minetest.registered_nodes[node.name]
+	if not def or not def.on_rightclick then return false end
+	return def.on_rightclick(pos, node, placer, itemstack) or itemstack
 end
 
 -- Stack one node above another
 -- leave the last argument nil if it's one 2m high node
 function homedecor.stack_vertically(itemstack, placer, pointed_thing, node1, node2)
-	local pos, def = select_node(pointed_thing)
-	if not def then return end -- rare corner case, but happened in #205
+	local rightclick_result = rightclick_pointed_thing(pointed_thing.under, placer, itemstack)
+	if rightclick_result then return rightclick_result end
 
-	if def.on_rightclick then
-		return def.on_rightclick(pointed_thing.under, minetest.get_node(pos), placer, itemstack)
-	end
+	local pos, def = select_node(pointed_thing)
+	if not pos then return itemstack end
 
 	local top_pos = { x=pos.x, y=pos.y+1, z=pos.z }
 
@@ -86,12 +117,11 @@ end
 -- like  homedecor.stack_vertically but tests first if it was placed as a right wing, then uses node1_right and node2_right instead
 
 function homedecor.stack_wing(itemstack, placer, pointed_thing, node1, node2, node1_right, node2_right)
-	local pos, def = select_node(pointed_thing)
-	if not def then return end -- rare corner case, but happened in #205
+	local rightclick_result = rightclick_pointed_thing(pointed_thing.under, placer, itemstack)
+	if rightclick_result then return rightclick_result end
 
-	if def.on_rightclick then
-		return def.on_rightclick(pointed_thing.under, minetest.get_node(pos), placer, itemstack)
-	end
+	local pos, def = select_node(pointed_thing)
+	if not pos then return itemstack end
 
 	local forceright = placer:get_player_control()["sneak"]
 	local fdir = minetest.dir_to_facedir(placer:get_look_dir())
@@ -106,12 +136,11 @@ function homedecor.stack_wing(itemstack, placer, pointed_thing, node1, node2, no
 end
 
 function homedecor.stack_sideways(itemstack, placer, pointed_thing, node1, node2, dir)
-	local pos, def = select_node(pointed_thing)
-	if not def then return end -- rare corner case, but happened in #205
+	local rightclick_result = rightclick_pointed_thing(pointed_thing.under, placer, itemstack)
+	if rightclick_result then return rightclick_result end
 
-	if def.on_rightclick then
-		return def.on_rightclick(pointed_thing.under, minetest.get_node(pos), placer, itemstack)
-	end
+	local pos, def = select_node(pointed_thing)
+	if not pos then return itemstack end
 
 	local fdir = minetest.dir_to_facedir(placer:get_look_dir())
 	local fdir_transform = dir and homedecor.fdir_to_right or homedecor.fdir_to_fwd
@@ -196,11 +225,11 @@ function homedecor.unextend_bed(pos, color)
 end
 
 function homedecor.place_banister(itemstack, placer, pointed_thing)
-	local pos, def = select_node(pointed_thing)
+	local rightclick_result = rightclick_pointed_thing(pointed_thing.under, placer, itemstack)
+	if rightclick_result then return rightclick_result end
 
-	if def.on_rightclick then
-		return def.on_rightclick(pointed_thing.under, minetest.get_node(pos), placer, itemstack)
-	end
+	local pos, def = select_node(pointed_thing)
+	if not pos then return itemstack end
 
 	local fdir = minetest.dir_to_facedir(placer:get_look_dir())
 
@@ -212,12 +241,12 @@ function homedecor.place_banister(itemstack, placer, pointed_thing)
 
 	if not (adef and adef.buildable_to) then
 		minetest.chat_send_player(placer_name, "Not enough room - the upper space is occupied!" )
-		return
+		return itemstack
 	end
 
 	if minetest.is_protected(abovepos, placer_name) then
 		minetest.chat_send_player(placer_name, "Someone already owns that spot." )
-		return
+		return itemstack
 	end
 
 	local lxd = homedecor.fdir_to_left[fdir+1][1]
@@ -259,12 +288,12 @@ function homedecor.place_banister(itemstack, placer, pointed_thing)
 	-- try to place a diagonal one on the side of blocks stacked like stairs
 	-- or follow an existing diagonal with another.
 	if (left_below_node and string.find(left_below_node.name, "banister_.-_diagonal_right")
-	  and below_node and is_buildable_to(placer_name, below_pos, nil, below_pos))
-	  or not is_buildable_to(placer_name, right_fwd_above_pos, nil, right_fwd_above_pos) then
+	  and below_node and is_buildable_to(placer_name, below_pos, below_pos))
+	  or not is_buildable_to(placer_name, right_fwd_above_pos, right_fwd_above_pos) then
 		new_place_name = string.gsub(new_place_name, "_horizontal", "_diagonal_right")
 	elseif (right_below_node and string.find(right_below_node.name, "banister_.-_diagonal_left")
-	  and below_node and is_buildable_to(placer_name, below_pos, nil, below_pos))
-	  or not is_buildable_to(placer_name, left_fwd_above_pos, nil, left_fwd_above_pos) then
+	  and below_node and is_buildable_to(placer_name, below_pos, below_pos))
+	  or not is_buildable_to(placer_name, left_fwd_above_pos, left_fwd_above_pos) then
 		new_place_name = string.gsub(new_place_name, "_horizontal", "_diagonal_left")
 
 	-- try to follow a diagonal with the corresponding horizontal
@@ -278,12 +307,12 @@ function homedecor.place_banister(itemstack, placer, pointed_thing)
 
 	-- try to place a horizontal in-line with the nearest diagonal, at the top
 	elseif left_fwd_below_node and string.find(left_fwd_below_node.name, "homedecor:banister_.*_diagonal")
-	  and is_buildable_to(placer_name, fwd_pos, nil, fwd_pos) then
+	  and is_buildable_to(placer_name, fwd_pos, fwd_pos) then
 		fdir = left_fwd_below_node.param2
 		pos = fwd_pos
 		new_place_name = string.gsub(left_fwd_below_node.name, "_diagonal_.-$", "_horizontal")
 	elseif right_fwd_below_node and string.find(right_fwd_below_node.name, "homedecor:banister_.*_diagonal")
-	  and is_buildable_to(placer_name, fwd_pos, nil, fwd_pos) then
+	  and is_buildable_to(placer_name, fwd_pos, fwd_pos) then
 		fdir = right_fwd_below_node.param2
 		pos = fwd_pos
 		new_place_name = string.gsub(right_fwd_below_node.name, "_diagonal_.-$", "_horizontal")
@@ -298,12 +327,12 @@ function homedecor.place_banister(itemstack, placer, pointed_thing)
 
 	-- try to place a horizontal in-line with the nearest diagonal, at the bottom
 	elseif left_fwd_node and string.find(left_fwd_node.name, "homedecor:banister_.*_diagonal")
-	  and is_buildable_to(placer_name, fwd_pos, nil, fwd_pos) then
+	  and is_buildable_to(placer_name, fwd_pos, fwd_pos) then
 		fdir = left_fwd_node.param2
 		pos = fwd_pos
 		new_place_name = string.gsub(left_fwd_node.name, "_diagonal_.-$", "_horizontal")
 	elseif right_fwd_node and string.find(right_fwd_node.name, "homedecor:banister_.*_diagonal")
-	  and is_buildable_to(placer_name, fwd_pos, nil, fwd_pos) then
+	  and is_buildable_to(placer_name, fwd_pos, fwd_pos) then
 		fdir = right_fwd_node.param2
 		pos = fwd_pos
 		new_place_name = string.gsub(right_fwd_node.name, "_diagonal_.-$", "_horizontal")

mods/homedecor_modpack/homedecor/handlers/inventory.lua

@@ -0,0 +1,173 @@
+local S = homedecor.gettext
+
+local default_can_dig = function(pos,player)
+	local meta = minetest.get_meta(pos)
+	return meta:get_inventory():is_empty("main")
+end
+
+local background = default.gui_bg .. default.gui_bg_img .. default.gui_slots
+local default_inventory_formspecs = {
+	["4"]="size[8,6]".. background ..
+	"list[context;main;2,0;4,1;]"..
+	"list[current_player;main;0,2;8,4;]",
+
+	["6"]="size[8,6]".. background ..
+	"list[context;main;1,0;6,1;]"..
+	"list[current_player;main;0,2;8,4;]",
+
+	["8"]="size[8,6]".. background ..
+	"list[context;main;0,0;8,1;]"..
+	"list[current_player;main;0,2;8,4;]",
+
+	["12"]="size[8,7]".. background ..
+	"list[context;main;1,0;6,2;]"..
+	"list[current_player;main;0,3;8,4;]",
+
+	["16"]="size[8,7]".. background ..
+	"list[context;main;0,0;8,2;]"..
+	"list[current_player;main;0,3;8,4;]",
+
+	["24"]="size[8,8]".. background ..
+	"list[context;main;0,0;8,3;]"..
+	"list[current_player;main;0,4;8,4;]",
+
+	["32"]="size[8,9]".. background ..
+	"list[context;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]"..
+	default.get_hotbar_bg(0,4.85),
+
+	["50"]="size[10,10]".. background ..
+	"list[context;main;0,0;10,5;]"..
+	"list[current_player;main;1,6;8,4;]",
+}
+
+local function get_formspec_by_size(size)
+	--TODO heuristic to use the "next best size"
+	local formspec = default_inventory_formspecs[tostring(size)]
+	return formspec or default_inventory_formspecs
+end
+
+----
+-- handle inventory setting
+-- inventory = {
+--	size = 16,
+--	formspec = …,
+--	locked = false,
+--	lockable = true,
+-- }
+--
+function homedecor.handle_inventory(name, def, original_def)
+	local inventory = def.inventory
+	if not inventory then return end
+	def.inventory = nil
+
+	if inventory.size then
+		local on_construct = def.on_construct
+		def.on_construct = function(pos)
+			local size = inventory.size
+			local meta = minetest.get_meta(pos)
+			meta:get_inventory():set_size("main", size)
+			meta:set_string("formspec", inventory.formspec or get_formspec_by_size(size))
+			if on_construct then on_construct(pos) end
+		end
+	end
+
+	def.can_dig = def.can_dig or default_can_dig
+	def.on_metadata_inventory_move = def.on_metadata_inventory_move or function(pos, from_list, from_index, to_list, to_index, count, player)
+		minetest.log("action", S("%s moves stuff in %s at %s"):format(
+			player:get_player_name(), name, minetest.pos_to_string(pos)
+		))
+	end
+	def.on_metadata_inventory_put = def.on_metadata_inventory_put or function(pos, listname, index, stack, player)
+		minetest.log("action", S("%s moves stuff to %s at %s"):format(
+			player:get_player_name(), name, minetest.pos_to_string(pos)
+		))
+	end
+	def.on_metadata_inventory_take = def.on_metadata_inventory_take or function(pos, listname, index, stack, player)
+		minetest.log("action", S("%s takes stuff from %s at %s"):format(
+			player:get_player_name(), name, minetest.pos_to_string(pos)
+		))
+	end
+
+	local locked = inventory.locked
+	if locked then
+		local after_place_node = def.after_place_node
+		def.after_place_node = function(pos, placer)
+			local meta = minetest.get_meta(pos)
+			local owner = placer:get_player_name() or ""
+
+			meta:set_string("owner", owner)
+			meta:set_string("infotext", S("%s (owned by %s)"):format(def.infotext or def.description, owner))
+			return after_place_node and after_place_node(pos, placer)
+		end
+
+		local allow_move = def.allow_metadata_inventory_move
+		def.allow_metadata_inventory_move = function(pos, from_list, from_index, to_list, to_index, count, player)
+			local meta = minetest.get_meta(pos)
+			local owner = meta:get_string("owner")
+			local playername = player:get_player_name()
+
+			if (playername ~= owner) then
+				minetest.log("action", string.format("%s tried to access a %s belonging to %s at %s",
+					playername, name, owner, minetest.pos_to_string(pos)
+				))
+				return 0
+			end
+
+			return allow_move and allow_move(pos, from_list, from_index, to_list, to_index, count, player)
+				or count
+		end
+
+		local allow_put = def.allow_metadata_inventory_put
+		def.allow_metadata_inventory_put = function(pos, listname, index, stack, player)
+			local meta = minetest.get_meta(pos)
+			local owner = meta:get_string("owner")
+			local playername = player:get_player_name()
+
+			if (playername ~= owner) then
+				minetest.log("action", string.format("%s tried to access a %s belonging to %s at %s",
+					playername, name, owner, minetest.pos_to_string(pos)
+				))
+				return 0
+			end
+			return allow_put and allow_put(pos, listname, index, stack, player)
+				or stack:get_count()
+		end
+
+		local allow_take = def.allow_metadata_inventory_take
+		def.allow_metadata_inventory_take = function(pos, listname, index, stack, player)
+			local meta = minetest.get_meta(pos)
+			local owner = meta:get_string("owner")
+			local playername = player:get_player_name()
+
+			if (playername ~= owner) then
+				minetest.log("action", string.format("%s tried to access a %s belonging to %s at %s",
+					playername, name, owner, minetest.pos_to_string(pos)
+				))
+				return 0
+			end
+			return allow_take and allow_take(pos, listname, index, stack, player)
+				or stack:get_count()
+		end
+	end
+
+	local lockable = inventory.lockable
+	if lockable then
+		local locked_def = table.copy(original_def)
+		locked_def.description = S("Locked %s"):format(def.description or name)
+
+		local locked_inventory = locked_def.inventory
+		locked_inventory.locked = true
+		locked_inventory.lockable = nil -- avoid loops of locked locked stuff
+
+		local locked_name = name .. "_locked"
+		homedecor.register(locked_name, locked_def)
+		minetest.register_craft({
+			type = "shapeless",
+			output = "homedecor:" .. locked_name,
+			recipe = { "homedecor:" .. name, "default:steel_ingot" }
+		})
+	end
+
+end

mods/homedecor_modpack/homedecor/handlers/registration.lua

@@ -1,5 +1,6 @@
 homedecor = homedecor or {}
 local S = homedecor.gettext
+local placeholder_node = "homedecor:expansion_placeholder"
 
 --wrapper around minetest.register_node that sets sane defaults and interprets some specialized settings
 function homedecor.register(name, original_def)
@@ -41,6 +42,12 @@ function homedecor.register(name, original_def)
 	def.after_unexpand = nil
 
 	if expand then
+		-- dissallow rotating only half the expanded node by default
+		-- unless we know better
+		def.on_rotate = def.on_rotate
+			or (def.mesh and expand.top and screwdriver.rotate_simple)
+			or screwdriver.disallow
+
 		def.on_place = def.on_place or function(itemstack, placer, pointed_thing)
 			if expand.top then
 				return homedecor.stack_vertically(itemstack, placer, pointed_thing, itemstack:get_name(), expand.top)
@@ -53,7 +60,8 @@ function homedecor.register(name, original_def)
 		def.after_dig_node = def.after_dig_node or function(pos, oldnode, oldmetadata, digger)
 			if expand.top and expand.forward ~= "air" then
 				local top_pos = { x=pos.x, y=pos.y+1, z=pos.z }
-				if minetest.get_node(top_pos).name == expand.top then
+				local node = minetest.get_node(top_pos).name
+				if node == expand.top or node == placeholder_node then
 					minetest.remove_node(top_pos)
 				end
 			end
@@ -63,13 +71,15 @@ function homedecor.register(name, original_def)
 
 			if expand.right and expand.forward ~= "air" then
 				local right_pos = { x=pos.x+homedecor.fdir_to_right[fdir+1][1], y=pos.y, z=pos.z+homedecor.fdir_to_right[fdir+1][2] }
-				if minetest.get_node(right_pos).name == expand.right then
+				local node = minetest.get_node(right_pos).name
+				if node == expand.right or node == placeholder_node then
 					minetest.remove_node(right_pos)
 				end
 			end
 			if expand.forward and expand.forward ~= "air" then
 				local forward_pos = { x=pos.x+homedecor.fdir_to_fwd[fdir+1][1], y=pos.y, z=pos.z+homedecor.fdir_to_fwd[fdir+1][2] }
-				if minetest.get_node(forward_pos).name == expand.forward then
+				local node = minetest.get_node(forward_pos).name
+				if node == expand.forward or node == placeholder_node then
 					minetest.remove_node(forward_pos)
 				end
 			end

mods/homedecor_modpack/homedecor/kitchen_appliances.lua

@@ -12,7 +12,7 @@ homedecor.register("refrigerator_steel", {
 	sounds = default.node_sound_stone_defaults(),
 	selection_box = homedecor.nodebox.slab_y(2),
 	collision_box = homedecor.nodebox.slab_y(2),
-	expand = { top="air" },
+	expand = { top="placeholder" },
 	infotext=S("Refrigerator"),
 	inventory = {
 		size=50,
@@ -31,7 +31,7 @@ homedecor.register("refrigerator_white", {
 	selection_box = homedecor.nodebox.slab_y(2),
 	collision_box = homedecor.nodebox.slab_y(2),
 	sounds = default.node_sound_stone_defaults(),
-	expand = { top="air" },
+	expand = { top="placeholder" },
 	infotext=S("Refrigerator"),
 	inventory = {
 		size=50,

mods/homedecor_modpack/homedecor/laundry.lua

@@ -54,7 +54,7 @@ homedecor.register("ironing_board", {
 		"wool_grey.png",
 		"homedecor_generic_metal_black.png^[brighten"
 	},
-	expand = {right = "air"},
+	expand = {right = "placeholder"},
 	groups = { snappy = 3 },
 	selection_box = ib_cbox,
 	collision_box = ib_cbox

mods/homedecor_modpack/homedecor/lighting.lua

@@ -477,7 +477,7 @@ local function reg_lamp(suffix, nxt, tilesuffix, light, color)
 			node.name = "homedecor:standing_lamp"..lampcolor.."_"..repl[suffix]
 			minetest.set_node(pos, node)
 		end,
-		expand = { top="air" },
+		expand = { top="placeholder" },
 	})
 
 	minetest.register_alias("homedecor:standing_lamp_bottom"..lampcolor.."_"..suffix, "homedecor:standing_lamp"..lampcolor.."_"..suffix)

mods/homedecor_modpack/homedecor/misc-nodes.lua

@@ -273,7 +273,7 @@ homedecor.register("pool_table", {
 	groups = {snappy=3},
 	selection_box = pooltable_cbox,
 	collision_box = pooltable_cbox,
-	expand = { forward="air" },
+	expand = { forward="placeholder" },
 	sounds = default.node_sound_wood_defaults(),
 	on_rotate = screwdriver.disallow
 })
@@ -297,7 +297,7 @@ homedecor.register("piano", {
 	groups = { snappy = 3 },
 	selection_box = piano_cbox,
 	collision_box = piano_cbox,
-	expand = { right="air" },
+	expand = { right="placeholder" },
 	sounds = default.node_sound_wood_defaults(),
 	on_rotate = screwdriver.disallow
 })
@@ -377,7 +377,7 @@ homedecor.register("tool_cabinet", {
 	on_rotate = screwdriver.rotate_simple,
 	groups = { snappy=3 },
 	selection_box = homedecor.nodebox.slab_y(2),
-	expand = { top="air" },
+	expand = { top="placeholder" },
 	inventory = {
 		size=24,
 	}

mods/homedecor_modpack/homedecor/office.lua

@@ -34,7 +34,7 @@ homedecor.register("desk", {
 	collision_box = desk_cbox,
 	sounds = default.node_sound_wood_defaults(),
 	groups = { snappy = 3 },
-	expand = { right="air" },
+	expand = { right="placeholder" },
 	inventory = {
 		size=24,
 		lockable=true,
@@ -112,7 +112,7 @@ for _, c in pairs({"basic", "upscale"}) do
 		sounds = default.node_sound_wood_defaults(),
 		selection_box = ofchairs_sbox,
 		collision_box = ofchairs_cbox,
-		expand = { top = "air" },
+		expand = { top = "placeholder" },
 		on_rotate = screwdriver.rotate_simple
 	})
 end

mods/homedecor_modpack/homedecor/wardrobe.lua

@@ -18,7 +18,7 @@ homedecor.register("wardrobe", {
 	selection_box = wd_cbox,
 	collision_box = wd_cbox,
 	sounds = default.node_sound_wood_defaults(),
-	expand = { top="air" },
+	expand = { top="placeholder" },
 	on_rotate = screwdriver.rotate_simple,
 	infotext = "Wardrobe",
 	inventory = {