fix missing protection on sofas and coffee tables

add some informative messages

lrfurn/coffeetable.lua

@@ -24,9 +24,13 @@ minetest.register_node("lrfurn:coffeetable_back", {
 				}
 	},
 
-	on_construct = function(pos)
+	after_place_node = function(pos, placer, itemstack, pointed_thing)
+		if minetest.is_protected(pos, placer:get_player_name()) then return true end
 		local node = minetest.get_node(pos)
 		local param2 = node.param2
+
+		if lrfurn.check_forward(pos, fdir, false, placer) then
+
 			node.name = "lrfurn:coffeetable_front"
 			if param2 == 0 then
 				pos.z = pos.z+1
@@ -37,14 +41,19 @@ minetest.register_node("lrfurn:coffeetable_back", {
 			elseif param2 == 3 then
 				pos.x = pos.x-1
 			end
-		if( minetest.get_node({x=pos.x, y=pos.y, z=pos.z}).name == "air" ) then
 			minetest.set_node(pos, node)
+		else
+			minetest.chat_send_player(placer:get_player_name(), "No room to place the coffee table!")
+			minetest.set_node(pos, {name = "air"})
+			return true
 		end
+
 	end,
 
-	on_destruct = function(pos)
+	after_dig_node = function(pos, oldnode, oldmetadata, digger)
-		local node = minetest.get_node(pos)
+		if minetest.is_protected(pos, digger:get_player_name()) then return true end
-		local param2 = node.param2
+
+		local param2 = oldnode.param2
 		if param2 == 0 then
 			pos.z = pos.z+1
 		elseif param2 == 1 then
@@ -54,11 +63,13 @@ minetest.register_node("lrfurn:coffeetable_back", {
 		elseif param2 == 3 then
 			pos.x = pos.x-1
 		end
-		if( minetest.get_node({x=pos.x, y=pos.y, z=pos.z}).name == "lrfurn:coffeetable_front" ) then
+
-			if( minetest.get_node({x=pos.x, y=pos.y, z=pos.z}).param2 == param2 ) then
+		if minetest.is_protected(pos, digger:get_player_name()) then return true end
+
+		if (minetest.get_node({x=pos.x, y=pos.y, z=pos.z}).name == "lrfurn:coffeetable_front") 
+		  and (minetest.get_node({x=pos.x, y=pos.y, z=pos.z}).param2 == param2) then
 				minetest.remove_node(pos)
 		end
-		end
 	end,
 })
 

lrfurn/init.lua

@@ -8,19 +8,32 @@ lrfurn.fdir_to_fwd = {
 	{ -1,  0 },
 }
 
-function lrfurn.check_forward(pos, fdir, long)
+function lrfurn.check_forward(pos, fdir, long, placer)
-
 	if not fdir or fdir > 3 then fdir = 0 end
 
 	local pos2 = { x = pos.x + lrfurn.fdir_to_fwd[fdir+1][1],     y=pos.y, z = pos.z + lrfurn.fdir_to_fwd[fdir+1][2]     }
 	local pos3 = { x = pos.x + lrfurn.fdir_to_fwd[fdir+1][1] * 2, y=pos.y, z = pos.z + lrfurn.fdir_to_fwd[fdir+1][2] * 2 }
 
 	local node2 = minetest.get_node(pos2)
-	if node2 and node2.name ~= "air" then return false end
+	if node2 and node2.name ~= "air" then
+		return false
+	elseif minetest.is_protected(pos2, placer:get_player_name()) then
+		if not long then
+			minetest.chat_send_player(placer:get_player_name(), "Someone else owns the spot where other end goes!")
+		else
+			minetest.chat_send_player(placer:get_player_name(), "Someone else owns the spot where the middle or far end goes!")
+		end
+		return false
+	end
 
 	if long then
 		local node3 = minetest.get_node(pos3)
-		if node3 and node3.name ~= "air" then return false end
+		if node3 and node3.name ~= "air" then
+			return false
+		elseif minetest.is_protected(pos3, placer:get_player_name()) then
+			minetest.chat_send_player(placer:get_player_name(), "Someone else owns the spot where the other end goes!")
+			return false
+		end
 	end
 
 	return true

lrfurn/longsofas.lua

@@ -42,15 +42,18 @@ for i in ipairs(longsofas_list) do
 		selection_box = longsofa_sbox,
 		node_box = longsofa_cbox,
 		on_rotate = screwdriver.disallow,
-        on_place = function(itemstack, placer, pointed_thing)
+
-			local pos = pointed_thing.above
+		after_place_node = function(pos, placer, itemstack, pointed_thing)
+			if minetest.is_protected(pos, placer:get_player_name()) then return true end
+
 			local fdir = minetest.dir_to_facedir(placer:get_look_dir(), false)
 
-			if lrfurn.check_forward(pos, fdir, true) then
+			if lrfurn.check_forward(pos, fdir, true, placer) then
 				minetest.set_node(pos, {name = "lrfurn:longsofa_"..colour, param2 = fdir})
 				itemstack:take_item()
 			else
 				minetest.chat_send_player(placer:get_player_name(), "No room to place the sofa!")
+				minetest.set_node(pos, { name = "air" })
 			end
 			return itemstack
 		end,

lrfurn/sofas.lua

@@ -42,15 +42,19 @@ for i in ipairs(sofas_list) do
 		selection_box = sofa_sbox,
 		node_box = sofa_cbox,
 		on_rotate = screwdriver.disallow,
-        on_place = function(itemstack, placer, pointed_thing)
+
-			local pos = pointed_thing.above
+		after_place_node = function(pos, placer, itemstack, pointed_thing)
+			if minetest.is_protected(pos, placer:get_player_name()) then return true end
+
 			local fdir = minetest.dir_to_facedir(placer:get_look_dir(), false)
 
-			if lrfurn.check_forward(pos, fdir, true) then
+			if lrfurn.check_forward(pos, fdir, false, placer) then
 				minetest.set_node(pos, {name = "lrfurn:sofa_"..colour, param2 = fdir})
 				itemstack:take_item()
 			else
 				minetest.chat_send_player(placer:get_player_name(), "No room to place the sofa!")
+				minetest.set_node(pos, { name = "air" })
+
 			end
 			return itemstack
 		end,