V2.03, Piston/WorldEdit/replacer detection added, farming and grinder recipes added

README.md

@@ -150,6 +150,7 @@ tubelib_addons1 optional: unified_inventory
 - 2019-01-12  V2.00  * release
 - 2019-01-27  V2.01  * SaferLua Controller Terminal added
 - 2019-01-28  V2.02  * Logic Not added, output reduction on Harvester, Fermenter, and Gravel Sieve
+- 2019-04-23  V2.03  * Piston/WorldEdit/replacer detection added, farming and grinder recipes added
 
 
 ## New in v2 (from players point of view)

releasenotes.md

@@ -1,5 +1,21 @@
 # Release Notes for ModPack TechPack [techpack]
 
+2019-04-23  V2.03  * , 
+
+## V2.03 (2019-04-23)
+
+### Additions
+- Farming and Grinder recipes added (thanks to obl3pplifp)
+- Support for Signs Bot chest and Box added
+
+### Removals
+
+### Changes
+
+### Fixes
+- Piston/WorldEdit/Replacer tool detection added. If node is replaced/removed/copied,
+  it will switch to a "defect" dummy node.
+
 
 ## V2.02.06 (2019-03-23)
 

sl_controller/server.lua

@@ -33,11 +33,14 @@ end
 
 
 local function on_time(pos, elasped)
-	local meta = minetest.get_meta(pos)
-	local number = meta:get_string("number")
-	local mem = tubelib.get_data(number, "memory") or table.copy(DEFAULT_MEM)
-	meta:set_string("infotext", "Server "..number..": ("..(mem.size or 0).."/"..SERVER_CAPA..")")
-	return true
+	if tubelib.data_not_corrupted(pos) then
+		local meta = minetest.get_meta(pos)
+		local number = meta:get_string("number")
+		local mem = tubelib.get_data(number, "memory") or table.copy(DEFAULT_MEM)
+		meta:set_string("infotext", "Server "..number..": ("..(mem.size or 0).."/"..SERVER_CAPA..")")
+		return true
+	end
+	return false
 end
 
 minetest.register_node("sl_controller:server", {

smartline/button.lua

@@ -15,47 +15,51 @@
 
 
 local function switch_on(pos, node)
-	node.name = "smartline:button_active"
-	minetest.swap_node(pos, node)
-	minetest.sound_play("button", {
-			pos = pos,
-			gain = 0.5,
-			max_hear_distance = 5,
-		})
-	local meta = minetest.get_meta(pos)
-	local own_num = meta:get_string("own_num")
-	local numbers = meta:get_string("numbers")
-	local cycle_time = meta:get_int("cycle_time")
-	if cycle_time > 0 then 	-- button mode?
-		minetest.get_node_timer(pos):start(cycle_time)
+	if tubelib.data_not_corrupted(pos) then
+		node.name = "smartline:button_active"
+		minetest.swap_node(pos, node)
+		minetest.sound_play("button", {
+				pos = pos,
+				gain = 0.5,
+				max_hear_distance = 5,
+			})
+		local meta = minetest.get_meta(pos)
+		local own_num = meta:get_string("own_num")
+		local numbers = meta:get_string("numbers")
+		local cycle_time = meta:get_int("cycle_time")
+		if cycle_time > 0 then 	-- button mode?
+			minetest.get_node_timer(pos):start(cycle_time)
+		end
+		local placer_name = meta:get_string("placer_name")
+		local clicker_name = nil
+		if meta:get_string("public") == "false" then
+			clicker_name = meta:get_string("clicker_name")
+		end
+		tubelib.send_message(numbers, placer_name, clicker_name, "on", own_num)
 	end
-	local placer_name = meta:get_string("placer_name")
-	local clicker_name = nil
-	if meta:get_string("public") == "false" then
-		clicker_name = meta:get_string("clicker_name")
-	end
-	tubelib.send_message(numbers, placer_name, clicker_name, "on", own_num)
 end
 
 local function switch_off(pos)
-	local node = minetest.get_node(pos)
-	node.name = "smartline:button"
-	minetest.swap_node(pos, node)
-	minetest.get_node_timer(pos):stop()
-	minetest.sound_play("button", {
-			pos = pos,
-			gain = 0.5,
-			max_hear_distance = 5,
-		})
-	local meta = minetest.get_meta(pos)
-	local own_num = meta:get_string("own_num")
-	local numbers = meta:get_string("numbers")
-	local placer_name = meta:get_string("placer_name")
-	local clicker_name = nil
-	if meta:get_string("public") == "false" then
-		clicker_name = meta:get_string("clicker_name")
+	if tubelib.data_not_corrupted(pos) then
+		local node = minetest.get_node(pos)
+		node.name = "smartline:button"
+		minetest.swap_node(pos, node)
+		minetest.get_node_timer(pos):stop()
+		minetest.sound_play("button", {
+				pos = pos,
+				gain = 0.5,
+				max_hear_distance = 5,
+			})
+		local meta = minetest.get_meta(pos)
+		local own_num = meta:get_string("own_num")
+		local numbers = meta:get_string("numbers")
+		local placer_name = meta:get_string("placer_name")
+		local clicker_name = nil
+		if meta:get_string("public") == "false" then
+			clicker_name = meta:get_string("clicker_name")
+		end
+		tubelib.send_message(numbers, placer_name, clicker_name, "off", own_num)
 	end
-	tubelib.send_message(numbers, placer_name, clicker_name, "off", own_num)
 end
 
 

smartline/collector.lua

@@ -67,27 +67,30 @@ end
 
 
 local function on_timer(pos,elapsed)
-	local meta = minetest.get_meta(pos)
-	local poll_numbers = meta:get_string("poll_numbers")
-	local idx = meta:get_int("index") + 1
-	
-	if poll_numbers == "" then
-		local own_number = meta:get_string("own_number")
-		meta:set_string("infotext", "SmartLine State Collector "..own_number..": stopped")
-		meta:set_int("state", 0)
-		meta:set_int("stored_state", 0)
-		return false
+	if tubelib.data_not_corrupted(pos) then
+		local meta = minetest.get_meta(pos)
+		local poll_numbers = meta:get_string("poll_numbers")
+		local idx = meta:get_int("index") + 1
+		
+		if poll_numbers == "" then
+			local own_number = meta:get_string("own_number")
+			meta:set_string("infotext", "SmartLine State Collector "..own_number..": stopped")
+			meta:set_int("state", 0)
+			meta:set_int("stored_state", 0)
+			return false
+		end
+		
+		if idx > meta:get_int("num_numbers") then
+			idx = 1
+			send_event(meta)
+		end
+		meta:set_int("index", idx)
+		
+		request_state(meta, poll_numbers, idx)
+		
+		return true
 	end
-	
-	if idx > meta:get_int("num_numbers") then
-		idx = 1
-		send_event(meta)
-	end
-	meta:set_int("index", idx)
-	
-	request_state(meta, poll_numbers, idx)
-	
-	return true
+	return false
 end
 
 minetest.register_node("smartline:collector", {

smartline/controller.lua

@@ -578,16 +578,19 @@ local function execute(meta, number, debug)
 end
 
 local function check_rules(pos, elapsed)
-	--local t = minetest.get_us_time()
-	local meta = minetest.get_meta(pos)
-	meta:set_int("runtime", (meta:get_int("runtime") or 1) + 1)
-	local number = meta:get_string("number")
-	local state = meta:get_int("state")
-	if state == tubelib.RUNNING and number then
-		execute(meta, number, debug)
+	if tubelib.data_not_corrupted(pos) then
+		--local t = minetest.get_us_time()
+		local meta = minetest.get_meta(pos)
+		meta:set_int("runtime", (meta:get_int("runtime") or 1) + 1)
+		local number = meta:get_string("number")
+		local state = meta:get_int("state")
+		if state == tubelib.RUNNING and number then
+			execute(meta, number, debug)
+		end
+		--print("time", minetest.get_us_time() - t)
+		return true
 	end
-	--print("time", minetest.get_us_time() - t)
-	return true
+	return false
 end
 
 local function switch_state(pos, state, fs_data)

smartline/display.lua

@@ -28,8 +28,11 @@ local function display_update(pos, objref)
 end
 
 local function on_timer(pos)
-	local meta = minetest.get_meta(pos)
-	lcdlib.update_entities(pos)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = minetest.get_meta(pos)
+		lcdlib.update_entities(pos)
+		return false
+	end
 	return false
 end
 

smartline/playerdetector.lua

@@ -139,12 +139,15 @@ minetest.register_node("smartline:playerdetector", {
 	end,
 	
 	on_timer = function (pos, elapsed)
-		if scan_for_player(pos) then
-			switch_on(pos)
-			minetest.get_node_timer(pos):start(1)
-			return false
+		if tubelib.data_not_corrupted(pos) then
+			if scan_for_player(pos) then
+				switch_on(pos)
+				minetest.get_node_timer(pos):start(1)
+				return false
+			end
+			return true
 		end
-		return true
+		return false
 	end,
 
 	paramtype = "light",

smartline/repeater.lua

@@ -75,9 +75,12 @@ minetest.register_node("smartline:repeater", {
 	end,
 	
 	on_timer = function(pos,elapsed)
-		local meta = minetest.get_meta(pos)
-		meta:set_int("overload_cnt", 0)
-		return true
+		if tubelib.data_not_corrupted(pos) then
+			local meta = minetest.get_meta(pos)
+			meta:set_int("overload_cnt", 0)
+			return true
+		end
+		return false
 	end,
 	
 	after_dig_node = function(pos)

smartline/sequencer.lua

@@ -98,37 +98,40 @@ local function restart_timer(pos, time)
 end	
 
 local function check_rules(pos, elapsed)
-	local meta = minetest.get_meta(pos)
-	local rules = minetest.deserialize(meta:get_string("rules"))
-	if rules then
-		local running = meta:get_int("running")
-		local index = meta:get_int("index") or 1
-		local number = meta:get_string("number")
-		local endless = meta:get_int("endless") or 0
-		local placer_name = meta:get_string("placer_name")
-		while true do -- process all rules as long as offs == 0
-			local rule = rules[index]
-			local offs = rules[index].offs
-			if type(offs) == "string" then
-				offs = 0
-			end
-			tubelib.send_message(rule.num, placer_name, nil, tAction[rule.act], number)
-			index = get_next_slot(index, rules, endless)
-			if index ~= nil and offs ~= nil and running == 1 then
-				-- after the last rule a pause with 2 or more sec is required
-				if index == 1 and offs < 1 then
-					offs = 2
+	if tubelib.data_not_corrupted(pos) then
+		local meta = minetest.get_meta(pos)
+		local rules = minetest.deserialize(meta:get_string("rules"))
+		if rules then
+			local running = meta:get_int("running")
+			local index = meta:get_int("index") or 1
+			local number = meta:get_string("number")
+			local endless = meta:get_int("endless") or 0
+			local placer_name = meta:get_string("placer_name")
+			while true do -- process all rules as long as offs == 0
+				local rule = rules[index]
+				local offs = rules[index].offs
+				if type(offs) == "string" then
+					offs = 0
 				end
-				meta:set_string("infotext", "SmartLine Sequencer "..number..": running ("..index.."/"..NUM_SLOTS..")")
-				meta:set_int("index", index)
-				if offs > 0 then
-					minetest.after(0, restart_timer, pos, offs)
-					return false
+				tubelib.send_message(rule.num, placer_name, nil, tAction[rule.act], number)
+				index = get_next_slot(index, rules, endless)
+				if index ~= nil and offs ~= nil and running == 1 then
+					-- after the last rule a pause with 2 or more sec is required
+					if index == 1 and offs < 1 then
+						offs = 2
+					end
+					meta:set_string("infotext", "SmartLine Sequencer "..number..": running ("..index.."/"..NUM_SLOTS..")")
+					meta:set_int("index", index)
+					if offs > 0 then
+						minetest.after(0, restart_timer, pos, offs)
+						return false
+					end
+				else
+					return stop_the_sequencer(pos)
 				end
-			else
-				return stop_the_sequencer(pos)
 			end
 		end
+		return false
 	end
 	return false
 end
@@ -147,7 +150,7 @@ local function start_the_sequencer(pos)
 	return false
 end
 
-local function 	on_receive_fields(pos, formname, fields, player)
+local function on_receive_fields(pos, formname, fields, player)
 	local meta = minetest.get_meta(pos)
 	local running = meta:get_int("running")
 	if minetest.is_protected(pos, player:get_player_name()) then

smartline/timer.lua

@@ -86,41 +86,44 @@ local function formspec_help()
 end
 
 local function check_rules(pos,elapsed)
-	local hour = math.floor(minetest.get_timeofday() * 24)
-	local meta = minetest.get_meta(pos)
-	local events = minetest.deserialize(meta:get_string("events"))
-	local numbers = minetest.deserialize(meta:get_string("numbers"))
-	local actions = minetest.deserialize(meta:get_string("actions"))
-	local done = minetest.deserialize(meta:get_string("done"))
-	local placer_name = meta:get_string("placer_name")
-	local own_num = meta:get_string("own_num")
-	
-	-- check all rules
-	for idx,act in ipairs(actions) do
-		if act ~= "" and numbers[idx] ~= "" then
-			local hr = (events[idx] - 1) * 2
-			if ((hour - hr) % 24) <= 4 then  -- last 4 hours?
-				if done[idx] == false then  -- not already executed?
+	if tubelib.data_not_corrupted(pos) then
+		local hour = math.floor(minetest.get_timeofday() * 24)
+		local meta = minetest.get_meta(pos)
+		local events = minetest.deserialize(meta:get_string("events"))
+		local numbers = minetest.deserialize(meta:get_string("numbers"))
+		local actions = minetest.deserialize(meta:get_string("actions"))
+		local done = minetest.deserialize(meta:get_string("done"))
+		local placer_name = meta:get_string("placer_name")
+		local own_num = meta:get_string("own_num")
+		
+		-- check all rules
+		for idx,act in ipairs(actions) do
+			if act ~= "" and numbers[idx] ~= "" then
+				local hr = (events[idx] - 1) * 2
+				if ((hour - hr) % 24) <= 4 then  -- last 4 hours?
+					if done[idx] == false then  -- not already executed?
+						tubelib.send_message(numbers[idx], placer_name, nil, act, own_num)
+						done[idx] = true
+					end
+				else
+					done[idx] = false
+				end
+				if hour == hr and done[idx] == false then
 					tubelib.send_message(numbers[idx], placer_name, nil, act, own_num)
 					done[idx] = true
 				end
-			else
-				done[idx] = false
-			end
-			if hour == hr and done[idx] == false then
-				tubelib.send_message(numbers[idx], placer_name, nil, act, own_num)
-				done[idx] = true
 			end
 		end
+		
+		-- prepare for the next day
+		if hour == 23 then
+			done = {false,false,false,false,false,false}
+		end
+		meta:set_string("done",  minetest.serialize(done))
+		meta:set_string("infotext","SmartLine Timer ("..own_num..")"..hour..":00")
+		return true
 	end
-	
-	-- prepare for the next day
-	if hour == 23 then
-		done = {false,false,false,false,false,false}
-	end
-	meta:set_string("done",  minetest.serialize(done))
-	meta:set_string("infotext","SmartLine Timer ("..own_num..")"..hour..":00")
-	return true
+	return false
 end
 
 

techpack_warehouse/common.lua

@@ -268,38 +268,41 @@ function techpack_warehouse.after_place_node(self, pos, placer, itemstack)
 end
 		
 function techpack_warehouse.on_timer(self, pos, elapsed)
-	local meta = M(pos)
-	local inv = meta:get_inventory()
-	if not inv:is_empty("shift") then
-		--local number = meta:get_string("tubelib_number")
-		local player_name = meta:get_string("player_name")
-		local offs = meta:get_int("offs")
-		local push_dir = meta:get_string("push_dir")
-		if push_dir == "" then push_dir = "L" end
-		meta:set_int("offs", offs + 1)
-		for i = 0,7 do
-			local idx = ((i + offs) % 8) + 1
-			local stack = inv:get_stack("shift", idx)
-			if stack:get_count() > 0 then
-				if tubelib.push_items(pos, push_dir, stack, player_name) then
-					-- The effort is needed here for the case the 
-					-- pusher pushes into its own chest.
-					local num = stack:get_count()
-					stack = inv:get_stack("shift", idx)
-					stack:take_item(num)
-					inv:set_stack("shift", idx, stack)
-					self.State:keep_running(pos, meta, COUNTDOWN_TICKS)
-					break
-				else
-					self.State:blocked(pos, meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		local inv = meta:get_inventory()
+		if not inv:is_empty("shift") then
+			--local number = meta:get_string("tubelib_number")
+			local player_name = meta:get_string("player_name")
+			local offs = meta:get_int("offs")
+			local push_dir = meta:get_string("push_dir")
+			if push_dir == "" then push_dir = "L" end
+			meta:set_int("offs", offs + 1)
+			for i = 0,7 do
+				local idx = ((i + offs) % 8) + 1
+				local stack = inv:get_stack("shift", idx)
+				if stack:get_count() > 0 then
+					if tubelib.push_items(pos, push_dir, stack, player_name) then
+						-- The effort is needed here for the case the 
+						-- pusher pushes into its own chest.
+						local num = stack:get_count()
+						stack = inv:get_stack("shift", idx)
+						stack:take_item(num)
+						inv:set_stack("shift", idx, stack)
+						self.State:keep_running(pos, meta, COUNTDOWN_TICKS)
+						break
+					else
+						self.State:blocked(pos, meta)
+					end
 				end
 			end
+		else
+			self.State:idle(pos, meta)
 		end
-	else
-		self.State:idle(pos, meta)
+		
+		return self.State:is_active(meta)
 	end
-	
-	return self.State:is_active(meta)
+	return false
 end
 	
 function techpack_warehouse.can_dig(self, pos)

tubelib/button.lua

@@ -16,47 +16,51 @@
 
 
 local function switch_on(pos, node)
-	node.name = "tubelib:button_active"
-	minetest.swap_node(pos, node)
-	minetest.sound_play("button", {
-			pos = pos,
-			gain = 0.5,
-			max_hear_distance = 5,
-		})
-	local meta = minetest.get_meta(pos)
-	local own_num = meta:get_string("own_num")
-	local numbers = meta:get_string("numbers")
-	local cycle_time = meta:get_int("cycle_time")
-	if cycle_time > 0 then 	-- button mode?
-		minetest.get_node_timer(pos):start(cycle_time)
+	if tubelib.data_not_corrupted(pos) then
+		node.name = "tubelib:button_active"
+		minetest.swap_node(pos, node)
+		minetest.sound_play("button", {
+				pos = pos,
+				gain = 0.5,
+				max_hear_distance = 5,
+			})
+		local meta = minetest.get_meta(pos)
+		local own_num = meta:get_string("own_num")
+		local numbers = meta:get_string("numbers")
+		local cycle_time = meta:get_int("cycle_time")
+		if cycle_time > 0 then 	-- button mode?
+			minetest.get_node_timer(pos):start(cycle_time)
+		end
+		local placer_name = meta:get_string("placer_name")
+		local clicker_name = nil
+		if meta:get_string("public") == "false" then
+			clicker_name = meta:get_string("clicker_name")
+		end
+		tubelib.send_message(numbers, placer_name, clicker_name, "on", own_num)  -- <<=== tubelib
 	end
-	local placer_name = meta:get_string("placer_name")
-	local clicker_name = nil
-	if meta:get_string("public") == "false" then
-		clicker_name = meta:get_string("clicker_name")
-	end
-	tubelib.send_message(numbers, placer_name, clicker_name, "on", own_num)  -- <<=== tubelib
 end
 
 local function switch_off(pos)
-	local node = minetest.get_node(pos)
-	node.name = "tubelib:button"
-	minetest.swap_node(pos, node)
-	minetest.get_node_timer(pos):stop()
-	minetest.sound_play("button", {
-			pos = pos,
-			gain = 0.5,
-			max_hear_distance = 5,
-		})
-	local meta = minetest.get_meta(pos)
-	local own_num = meta:get_string("own_num")
-	local numbers = meta:get_string("numbers")
-	local placer_name = meta:get_string("placer_name")
-	local clicker_name = nil
-	if meta:get_string("public") == "false" then
-		clicker_name = meta:get_string("clicker_name")
+	if tubelib.data_not_corrupted(pos) then
+		local node = minetest.get_node(pos)
+		node.name = "tubelib:button"
+		minetest.swap_node(pos, node)
+		minetest.get_node_timer(pos):stop()
+		minetest.sound_play("button", {
+				pos = pos,
+				gain = 0.5,
+				max_hear_distance = 5,
+			})
+		local meta = minetest.get_meta(pos)
+		local own_num = meta:get_string("own_num")
+		local numbers = meta:get_string("numbers")
+		local placer_name = meta:get_string("placer_name")
+		local clicker_name = nil
+		if meta:get_string("public") == "false" then
+			clicker_name = meta:get_string("clicker_name")
+		end
+		tubelib.send_message(numbers, placer_name, clicker_name, "off", own_num)  -- <<=== tubelib
 	end
-	tubelib.send_message(numbers, placer_name, clicker_name, "off", own_num)  -- <<=== tubelib
 end
 
 

tubelib/defect.lua

@@ -0,0 +1,48 @@
+minetest.register_node("tubelib:defect_dummy", {
+	description = "Corrupted Tubelib Node",
+	tiles = {
+		"tubelib_front.png",
+		"tubelib_front.png",
+		"tubelib_front.png^tubelib_defect.png",
+		"tubelib_front.png^tubelib_defect.png",
+		"tubelib_front.png^tubelib_defect.png",
+		"tubelib_front.png^tubelib_defect.png",
+	},
+	drop = "",
+	groups = {cracky=3, crumbly=3, choppy=3, not_in_creative_inventory=1},
+	is_ground_content = false,
+})
+
+
+function tubelib.data_not_corrupted(pos)	
+	if minetest.pos_to_string(pos) ~= minetest.get_meta(pos):get_string("my_pos") then
+		-- node number corrupt?
+		local meta = minetest.get_meta(pos)
+		local number = meta:get_string("tubelib_number")
+		if number == "" then
+			number = meta:get_string("number")
+		end
+		if number == "" then
+			number = meta:get_string("own_num")
+		end
+		if number == "" then
+			number = meta:get_string("own_number")
+		end
+		if number == "" then
+			tubelib.remove_node(pos)
+			minetest.set_node(pos, {name = "tubelib:defect_dummy"})
+			meta:from_table(nil)
+			return false
+		end
+		-- node moved?
+		local info = tubelib.get_node_info(number)
+		if not info or not vector.equals(info.pos, pos) then
+			tubelib.remove_node(pos)
+			minetest.set_node(pos, {name = "tubelib:defect_dummy"})
+			meta:from_table(nil)
+			return false
+		end
+		minetest.get_meta(pos):get_string("my_pos", minetest.pos_to_string(pos))
+	end
+	return true
+end

tubelib/distributor.lua

@@ -270,9 +270,12 @@ end
 
 -- move items to the output slots
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	distributing(pos, meta)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		distributing(pos, meta)
+		return State:is_active(meta)
+	end
+	return false
 end
 
 local function on_receive_fields(pos, formname, fields, player)

tubelib/init.lua

@@ -101,6 +101,7 @@ else
 	-- conversion from v1.16 to v2.00
 	dofile(minetest.get_modpath("tubelib") .. "/migrate.lua")
 	dofile(minetest.get_modpath("tubelib") .. "/states.lua")
+	dofile(minetest.get_modpath("tubelib") .. "/defect.lua")
 	dofile(minetest.get_modpath("tubelib") .. "/node_states.lua")
 	dofile(minetest.get_modpath("tubelib") .. "/pusher.lua")
 	dofile(minetest.get_modpath("tubelib") .. "/blackhole.lua")

tubelib/legacy_nodes.lua

@@ -104,4 +104,32 @@ tubelib.register_node("shop:shop", {}, {
 	end,
 })	
 
+tubelib.register_node("signs_bot:box", {}, {
+	on_pull_item = function(pos, side)
+		local meta = minetest.get_meta(pos)
+		return tubelib.get_item(meta, "main")
+	end,
+	on_push_item = function(pos, side, item)
+		local meta = minetest.get_meta(pos)
+		return tubelib.put_item(meta, "main", item)
+	end,
+	on_unpull_item = function(pos, side, item)
+		local meta = minetest.get_meta(pos)
+		return tubelib.put_item(meta, "main", item)
+	end,
+})	
 
+tubelib.register_node("signs_bot:chest", {}, {
+	on_pull_item = function(pos, side)
+		local meta = minetest.get_meta(pos)
+		return tubelib.get_item(meta, "main")
+	end,
+	on_push_item = function(pos, side, item)
+		local meta = minetest.get_meta(pos)
+		return tubelib.put_item(meta, "main", item)
+	end,
+	on_unpull_item = function(pos, side, item)
+		local meta = minetest.get_meta(pos)
+		return tubelib.put_item(meta, "main", item)
+	end,
+})	

tubelib/node_states.lua

@@ -376,17 +376,9 @@ function NodeStates:on_node_load(pos, not_start_timer)
 		meta:set_int("counter", 0)
 	end
 
-	-- node number corrupt?
-	number = meta:get_string("tubelib_number")
-	if number == "" then
-		number = tubelib.get_new_number(pos, self.node_name_passive)
-		meta:set_string("tubelib_number", number)
-	else
-		local info = tubelib.get_node_info(number)
-		if not info or info.pos ~= pos then
-			number = tubelib.get_new_number(pos, self.node_name_passive)
-			meta:set_string("tubelib_number", number)
-		end
+	-- node corrupt?
+	if not tubelib.data_not_corrupted(pos) then
+		return
 	end
 	
 	-- state corrupt?

tubelib/pusher.lua

@@ -66,9 +66,12 @@ local function pushing(pos, meta)
 end
 
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	pushing(pos, meta)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		pushing(pos, meta)
+		return State:is_active(meta)
+	end
+	return false
 end	
 
 minetest.register_node("tubelib:pusher", {

tubelib_addons1/README.md

@@ -6,6 +6,12 @@ the automated mining, farming, and crafting.
 A Tutorial to this Mod is available as ![Wiki](https://github.com/joe7575/techpack/wiki)
 
 
+With contributions from:
+* obl3pplifp, https://github.com/obl3pplifp/techpack_compat and as pull requests
+* realmicu, as pull requests
+* theFox6, as pull request
+
+
 ## Dependencies
 tubelib, default  
 opt. unified_inventory

tubelib_addons1/autocrafter.lua

@@ -127,12 +127,15 @@ end
 
 
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	local inv = meta:get_inventory()
-	local craft = get_craft(pos, inv)
-	local output_item = craft.output.item
-	autocraft(pos, meta, inv, craft)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		local inv = meta:get_inventory()
+		local craft = get_craft(pos, inv)
+		local output_item = craft.output.item
+		autocraft(pos, meta, inv, craft)
+		return State:is_active(meta)
+	end
+	return false
 end
 
 -- note, that this function assumes allready being updated to virtual items

tubelib_addons1/detector.lua

@@ -14,26 +14,30 @@
 
 
 local function switch_on(pos)
-	local node = minetest.get_node(pos)
-	node.name = "tubelib_addons1:detector_active"
-	minetest.swap_node(pos, node)
-	minetest.get_node_timer(pos):start(1)
-	local meta = minetest.get_meta(pos)
-	local own_num = meta:get_string("own_num")
-	local numbers = meta:get_string("numbers")
-	local placer_name = meta:get_string("placer_name")
-	tubelib.send_message(numbers, placer_name, nil, "on", own_num)
+	if tubelib.data_not_corrupted(pos) then
+		local node = minetest.get_node(pos)
+		node.name = "tubelib_addons1:detector_active"
+		minetest.swap_node(pos, node)
+		minetest.get_node_timer(pos):start(1)
+		local meta = minetest.get_meta(pos)
+		local own_num = meta:get_string("own_num")
+		local numbers = meta:get_string("numbers")
+		local placer_name = meta:get_string("placer_name")
+		tubelib.send_message(numbers, placer_name, nil, "on", own_num)
+	end
 end
 
 local function switch_off(pos)
-	local node = minetest.get_node(pos)
-	node.name = "tubelib_addons1:detector"
-	minetest.swap_node(pos, node)
-	local meta = minetest.get_meta(pos)
-	local own_num = meta:get_string("own_num")
-	local numbers = meta:get_string("numbers")
-	local placer_name = meta:get_string("placer_name")
-	tubelib.send_message(numbers, placer_name, nil, "off", own_num)
+	if tubelib.data_not_corrupted(pos) then
+		local node = minetest.get_node(pos)
+		node.name = "tubelib_addons1:detector"
+		minetest.swap_node(pos, node)
+		local meta = minetest.get_meta(pos)
+		local own_num = meta:get_string("own_num")
+		local numbers = meta:get_string("numbers")
+		local placer_name = meta:get_string("placer_name")
+		tubelib.send_message(numbers, placer_name, nil, "off", own_num)
+	end
 end
 
 

tubelib_addons1/fermenter.lua

@@ -144,9 +144,12 @@ local function convert_leaves_to_biogas(pos, meta)
 end
 
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	convert_leaves_to_biogas(pos, meta)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		convert_leaves_to_biogas(pos, meta)
+		return State:is_active(meta)
+	end
+	return false
 end
 
 local function on_receive_fields(pos, formname, fields, player)

tubelib_addons1/grinder.lua

@@ -103,10 +103,13 @@ local function grinding(pos, meta, inv)
 end
 
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	local inv = meta:get_inventory()
-	grinding(pos, meta, inv)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		local inv = meta:get_inventory()
+		grinding(pos, meta, inv)
+		return State:is_active(meta)
+	end
+	return false
 end
 
 local function on_receive_fields(pos, formname, fields, player)

tubelib_addons1/harvester.lua

@@ -243,30 +243,33 @@ end
 	
 -- move the "harvesting copter" to the next pos and harvest the field below
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	local this = minetest.deserialize(meta:get_string("this"))
-	this.num_items = 0
-	
-	if not_blocked(pos, this, meta) then
-		if check_fuel(pos, this, meta) then
-			if calc_new_pos(pos, this, meta) then
-				if harvest_field(this, meta) then
-					meta:set_string("this", minetest.serialize(this))
-					meta:set_string("infotext", 
-						"Tubelib Harvester "..this.number..
-						": running ("..this.idx.."/"..this.max..")")
-					State:keep_running(pos, meta, COUNTDOWN_TICKS, this.num_items)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		local this = minetest.deserialize(meta:get_string("this"))
+		this.num_items = 0
+		
+		if not_blocked(pos, this, meta) then
+			if check_fuel(pos, this, meta) then
+				if calc_new_pos(pos, this, meta) then
+					if harvest_field(this, meta) then
+						meta:set_string("this", minetest.serialize(this))
+						meta:set_string("infotext", 
+							"Tubelib Harvester "..this.number..
+							": running ("..this.idx.."/"..this.max..")")
+						State:keep_running(pos, meta, COUNTDOWN_TICKS, this.num_items)
+					else
+						State:blocked(pos, meta)
+					end
 				else
-					State:blocked(pos, meta)
+					State:stop(pos, meta)
 				end
 			else
-				State:stop(pos, meta)
+				State:fault(pos, meta)
 			end
-		else
-			State:fault(pos, meta)
 		end
+		return State:is_active(meta)
 	end
-	return State:is_active(meta)
+	return false
 end	
 	
 

tubelib_addons1/liquidsampler.lua

@@ -112,9 +112,12 @@ local function allow_metadata_inventory_take(pos, listname, index, stack, player
 end
 
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	sample_liquid(pos, meta)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		sample_liquid(pos, meta)
+		return State:is_active(meta)
+	end
+	return false
 end
 
 local function on_receive_fields(pos, formname, fields, player)

tubelib_addons1/nodes.lua

@@ -48,6 +48,7 @@ local tn = tubelib_addons1.register_tree_node
 local dn = tubelib_addons1.register_default_farming_node
 local fn = tubelib_addons1.register_farming_node
 local gn = tubelib_addons1.register_ground_node
+local gr = tubelib.add_grinder_recipe
 
 -------------------------------------------------------------------------------
 -- Default Farming
@@ -103,6 +104,13 @@ if farming.mod == "redo" then
 	fn("farming:oat_8",       "farming:oat",            "farming:oat_1")
 	fn("farming:rye_8",       "farming:rye",            "farming:rye_1")
 	fn("farming:rice_8",      "farming:rice",           "farming:rice_1")
+	fn('farming:beetroot_5',  'farming:beetroot 2',     'farming:beetroot_1')
+	fn('farming:cocoa_4',     'farming:cocoa_beans 2',  'farming:cocoa_1')
+	fn('farming:garlic_5',    'farming:garlic 2',       'farming:garlic_1')
+	fn('farming:onion_5',     'farming:onion 2',        'farming:onion_1')
+	fn('farming:pea_5',       'farming:pea_pod 3',      'farming:pea_1')
+	fn('farming:pepper_5',    'farming:pepper 2',       'farming:pepper_1')
+	fn('farming:pineapple_8', 'farming:pineapple 1',    'farming:pineapple_1')
 end
 
 -------------------------------------------------------------------------------
@@ -246,3 +254,55 @@ end
 
 minetest.after(10, register_flowers)
 
+-------------------------------------------------------------------------------
+-- moretrees
+-------------------------------------------------------------------------------
+
+if minetest.global_exists("moretrees") then
+	local function register_tree(treename)
+		local trunk_name = 'moretrees:' .. treename .. '_trunk'
+		local sappling_name = 'moretrees:' .. treename .. '_sapling'
+		local leaves_name = 'moretrees:' .. treename .. '_leaves'
+
+		tn(trunk_name, trunk_name, sappling_name)
+		fn(leaves_name)
+		gr({input=trunk_name, output=leaves_name .. ' 8'})
+	end
+
+	-- "ordinary" moretrees blocks
+	for i in ipairs(moretrees.treelist) do
+		local treename = moretrees.treelist[i][1]
+
+		if treename ~= 'jungletree' then
+			register_tree(treename)
+		end
+	end
+
+	-- "weird" moretrees trunks
+	tn('moretrees:date_palm_fruit_trunk', 'moretrees:date_palm_trunk', 'moretrees:date_palm_sapling')
+	gr({input='moretrees:date_palm_fruit_trunk', output='moretrees:date_palm_leaves 8'})
+	tn('moretrees:date_palm_ffruit_trunk', 'moretrees:date_palm_trunk', 'moretrees:date_palm_sapling')
+	gr({input='moretrees:date_palm_ffruit_trunk', output='moretrees:date_palm_leaves 8'})
+	tn('moretrees:date_palm_mfruit_trunk', 'moretrees:date_palm_trunk', 'moretrees:date_palm_sapling')
+	gr({input='moretrees:date_palm_mfruit_trunk', output='moretrees:date_palm_leaves 8'})
+	tn('moretrees:jungletree_trunk', 'default:jungletree', 'default:junglesapling')
+	gr({input='moretrees:jungletree_trunk', output='default:jungleleaves 8'})
+	tn('moretrees:palm_fruit_trunk', 'moretrees:palm_trunk', 'moretrees:palm_sapling')
+	gr({input='moretrees:palm_fruit_trunk', output='moretrees:palm_leaves 8'})
+	tn('moretrees:palm_fruit_trunk_gen', 'moretrees:palm_trunk', 'moretrees:palm_sapling')
+	gr({input='moretrees:palm_fruit_trunk_gen', output='moretrees:palm_leaves 8'})
+	tn('moretrees:rubber_tree_trunk_empty', 'moretrees:rubber_tree_trunk_empty', 'moretrees:rubber_tree_sapling')
+	gr({input='moretrees:rubber_tree_trunk_empty', output='moretrees:rubber_tree_leaves 8'})
+
+	-- moretrees fruit and leaves
+	fn('moretrees:acorn')
+	fn('moretrees:cedar_cone')
+	fn('moretrees:coconut_3', 'moretrees:coconut')
+	fn('moretrees:dates_f4', 'moretrees:date 16')
+	fn('moretrees:fir_cone')
+	fn('moretrees:fir_leaves_bright')
+	fn('moretrees:jungletree_leaves_red')
+	fn('moretrees:jungletree_leaves_yellow')
+	fn('moretrees:spruce_cone')
+end
+

tubelib_addons1/pusher_fast.lua

@@ -66,9 +66,12 @@ local function pushing(pos, meta)
 end
 
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	pushing(pos, meta)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		pushing(pos, meta)
+		return State:is_active(meta)
+	end
+	return false
 end	
 
 minetest.register_node("tubelib_addons1:pusher_fast", {

tubelib_addons1/quarry.lua

@@ -238,9 +238,12 @@ local function quarry_next_node(pos, meta)
 end
 
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	quarry_next_node(pos, meta)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		quarry_next_node(pos, meta)
+		return State:is_active(meta)
+	end
+	return false
 end
 
 local function on_receive_fields(pos, formname, fields, player)

tubelib_addons1/reformer.lua

@@ -139,9 +139,12 @@ end
 
 
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	convert_biogas_to_biofuel(pos, meta)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		convert_biogas_to_biofuel(pos, meta)
+		return State:is_active(meta)
+	end
+	return false
 end
 
 local function on_receive_fields(pos, formname, fields, player)

tubelib_addons2/accesscontrol.lua

@@ -13,29 +13,33 @@
 ]]--
 
 local function switch_on(pos, meta)
-	minetest.sound_play("tubelib_addons2_door", {
-			pos = pos,
-			gain = 0.5,
-			max_hear_distance = 5,
-		})
-	local numbers = meta:get_string("numbers")
-	local number = meta:get_string("number")
-	local placer_name = meta:get_string("placer_name")
-	tubelib.send_message(numbers, placer_name, nil, "on", number)
-	minetest.get_node_timer(pos):start(4)
+	if tubelib.data_not_corrupted(pos) then
+		minetest.sound_play("tubelib_addons2_door", {
+				pos = pos,
+				gain = 0.5,
+				max_hear_distance = 5,
+			})
+		local numbers = meta:get_string("numbers")
+		local number = meta:get_string("number")
+		local placer_name = meta:get_string("placer_name")
+		tubelib.send_message(numbers, placer_name, nil, "on", number)
+		minetest.get_node_timer(pos):start(4)
+	end
 end
 
 local function switch_off(pos)
-	minetest.sound_play("tubelib_addons2_door", {
-			pos = pos,
-			gain = 0.5,
-			max_hear_distance = 5,
-		})
-	local meta = minetest.get_meta(pos)
-	local numbers = meta:get_string("numbers")
-	local number = meta:get_string("number")
-	local placer_name = meta:get_string("placer_name")
-	tubelib.send_message(numbers, placer_name, nil, "off", number)
+	if tubelib.data_not_corrupted(pos) then
+		minetest.sound_play("tubelib_addons2_door", {
+				pos = pos,
+				gain = 0.5,
+				max_hear_distance = 5,
+			})
+		local meta = minetest.get_meta(pos)
+		local numbers = meta:get_string("numbers")
+		local number = meta:get_string("number")
+		local placer_name = meta:get_string("placer_name")
+		tubelib.send_message(numbers, placer_name, nil, "off", number)
+	end
 end
 
 local function formspec1(numbers)

tubelib_addons2/logic_not.lua

@@ -76,19 +76,21 @@ minetest.register_craft({
 
 tubelib.register_node("tubelib_addons2:logic_not", {}, {
 	on_recv_message = function(pos, topic, payload)
-		local meta = minetest.get_meta(pos)
-		local owner = meta:get_string("owner")
-		local numbers = meta:get_string("numbers")
-		local own_number = meta:get_string("own_number")
-		if topic == "set_numbers" then
-			meta:set_string("infotext", "Tubelib Logic Not "..own_number..": connected with "..payload)
-			meta:set_string("numbers", payload)
-			meta:set_string("formspec", formspec(meta))
-			return true
-		elseif topic == "on" then
-			return tubelib.send_message(numbers, owner, nil, "off", payload)
-		elseif topic == "off" then
-			return tubelib.send_message(numbers, owner, nil, "on", payload)
+		if tubelib.data_not_corrupted(pos) then
+			local meta = minetest.get_meta(pos)
+			local owner = meta:get_string("owner")
+			local numbers = meta:get_string("numbers")
+			local own_number = meta:get_string("own_number")
+			if topic == "set_numbers" then
+				meta:set_string("infotext", "Tubelib Logic Not "..own_number..": connected with "..payload)
+				meta:set_string("numbers", payload)
+				meta:set_string("formspec", formspec(meta))
+				return true
+			elseif topic == "on" then
+				return tubelib.send_message(numbers, owner, nil, "off", payload)
+			elseif topic == "off" then
+				return tubelib.send_message(numbers, owner, nil, "on", payload)
+			end
 		end
 	end,
 })		

tubelib_addons2/mesecons_converter.lua

@@ -108,9 +108,12 @@ minetest.register_node("tubelib_addons2:mesecons_converter", {
 	},
 	
 	on_timer = function(pos,elapsed)
-		local meta = minetest.get_meta(pos)
-		meta:set_int("overload_cnt", 0)
-		return true
+		if tubelib.data_not_corrupted(pos) then
+			local meta = minetest.get_meta(pos)
+			meta:set_int("overload_cnt", 0)
+			return true
+		end
+		return false
 	end,
 	
 	after_dig_node = function(pos)

tubelib_addons2/repeater.lua

@@ -62,9 +62,12 @@ minetest.register_node("tubelib_addons2:repeater", {
 	end,
 	
 	on_timer = function(pos,elapsed)
-		local meta = minetest.get_meta(pos)
-		meta:set_int("overload_cnt", 0)
-		return true
+		if tubelib.data_not_corrupted(pos) then
+			local meta = minetest.get_meta(pos)
+			meta:set_int("overload_cnt", 0)
+			return true
+		end
+		return false
 	end,
 	
 	after_dig_node = function(pos)

tubelib_addons2/sequencer.lua

@@ -89,37 +89,40 @@ local function restart_timer(pos, time)
 end	
 
 local function check_rules(pos, elapsed)
-	local meta = minetest.get_meta(pos)
-	local rules = minetest.deserialize(meta:get_string("rules"))
-	if rules then
-		local running = meta:get_int("running")
-		local index = meta:get_int("index") or 1
-		local number = meta:get_string("number")
-		local endless = meta:get_int("endless") or 0
-		local placer_name = meta:get_string("placer_name")
-		while true do -- process all rules as long as offs == 0
-			local rule = rules[index]
-			local offs = rules[index].offs
-			if type(offs) == "string" then
-				offs = 0
-			end
-			tubelib.send_message(rule.num, placer_name, nil, tAction[rule.act], number)
-			index = get_next_slot(index, rules, endless)
-			if index ~= nil and offs ~= nil and running == 1 then
-				-- after the last rule a pause with 1 or more sec is required
-				if index == 1 and offs < 1 then
-					offs = 1
+	if tubelib.data_not_corrupted(pos) then
+		local meta = minetest.get_meta(pos)
+		local rules = minetest.deserialize(meta:get_string("rules"))
+		if rules then
+			local running = meta:get_int("running")
+			local index = meta:get_int("index") or 1
+			local number = meta:get_string("number")
+			local endless = meta:get_int("endless") or 0
+			local placer_name = meta:get_string("placer_name")
+			while true do -- process all rules as long as offs == 0
+				local rule = rules[index]
+				local offs = rules[index].offs
+				if type(offs) == "string" then
+					offs = 0
 				end
-				meta:set_string("infotext", "Tubelib Sequencer "..number..": running ("..index.."/"..NUM_SLOTS..")")
-				meta:set_int("index", index)
-				if offs > 0 then
-					minetest.after(0, restart_timer, pos, offs)
-					return false
+				tubelib.send_message(rule.num, placer_name, nil, tAction[rule.act], number)
+				index = get_next_slot(index, rules, endless)
+				if index ~= nil and offs ~= nil and running == 1 then
+					-- after the last rule a pause with 1 or more sec is required
+					if index == 1 and offs < 1 then
+						offs = 1
+					end
+					meta:set_string("infotext", "Tubelib Sequencer "..number..": running ("..index.."/"..NUM_SLOTS..")")
+					meta:set_int("index", index)
+					if offs > 0 then
+						minetest.after(0, restart_timer, pos, offs)
+						return false
+					end
+				else
+					return stop_the_sequencer(pos)
 				end
-			else
-				return stop_the_sequencer(pos)
 			end
 		end
+		return false
 	end
 	return false
 end
@@ -139,54 +142,56 @@ local function start_the_sequencer(pos)
 end
 
 local function 	on_receive_fields(pos, formname, fields, player)
-	local meta = minetest.get_meta(pos)
-	local running = meta:get_int("running")
-	if minetest.is_protected(pos, player:get_player_name()) then
-		return
-	end
-	
-	if fields.help ~= nil then
-		meta:set_string("formspec", formspec_help())
-		return
-	end
-	
-	local endless = meta:get_int("endless") or 0
-	if fields.endless ~= nil then
-		endless = fields.endless == "true" and 1 or 0
-		meta:set_int("index", 1)
-	end
-	meta:set_int("endless", endless)
-	
-	local rules = minetest.deserialize(meta:get_string("rules"))
-	if fields.exit ~= nil then
-		meta:set_string("formspec", formspec(tubelib.state(running), rules, endless))
-		return
-	end
+	if tubelib.data_not_corrupted(pos) then
+		local meta = minetest.get_meta(pos)
+		local running = meta:get_int("running")
+		if minetest.is_protected(pos, player:get_player_name()) then
+			return
+		end
+		
+		if fields.help ~= nil then
+			meta:set_string("formspec", formspec_help())
+			return
+		end
+		
+		local endless = meta:get_int("endless") or 0
+		if fields.endless ~= nil then
+			endless = fields.endless == "true" and 1 or 0
+			meta:set_int("index", 1)
+		end
+		meta:set_int("endless", endless)
+		
+		local rules = minetest.deserialize(meta:get_string("rules"))
+		if fields.exit ~= nil then
+			meta:set_string("formspec", formspec(tubelib.state(running), rules, endless))
+			return
+		end
 
-	for idx = 1,NUM_SLOTS do
-		if fields["offs"..idx] ~= nil then
-			rules[idx].offs = tonumber(fields["offs"..idx]) or ""
+		for idx = 1,NUM_SLOTS do
+			if fields["offs"..idx] ~= nil then
+				rules[idx].offs = tonumber(fields["offs"..idx]) or ""
+			end
+			if fields["num"..idx] ~= nil and tubelib.check_numbers(fields["num"..idx]) then
+				rules[idx].num = fields["num"..idx]
+			end
+			if fields["act"..idx] ~= nil then
+				rules[idx].act = kvAction[fields["act"..idx]]
+			end
 		end
-		if fields["num"..idx] ~= nil and tubelib.check_numbers(fields["num"..idx]) then
-			rules[idx].num = fields["num"..idx]
-		end
-		if fields["act"..idx] ~= nil then
-			rules[idx].act = kvAction[fields["act"..idx]]
-		end
-	end
-	meta:set_string("rules", minetest.serialize(rules))
+		meta:set_string("rules", minetest.serialize(rules))
 
-	if fields.button ~= nil then
-		if running > STOP_STATE then
+		if fields.button ~= nil then
+			if running > STOP_STATE then
+				stop_the_sequencer(pos)
+			else
+				start_the_sequencer(pos)
+			end
+		elseif fields.num1 ~= nil then  -- any other change?
 			stop_the_sequencer(pos)
 		else
-			start_the_sequencer(pos)
+			local endless = meta:get_int("endless") or 0
+			meta:set_string("formspec", formspec(tubelib.state(running), rules, endless))
 		end
-	elseif fields.num1 ~= nil then  -- any other change?
-		stop_the_sequencer(pos)
-	else
-		local endless = meta:get_int("endless") or 0
-		meta:set_string("formspec", formspec(tubelib.state(running), rules, endless))
 	end
 end
 

tubelib_addons2/timer.lua

@@ -67,37 +67,40 @@ end
 
 
 local function check_rules(pos,elapsed)
-	local hour = math.floor(minetest.get_timeofday() * 24)
-	local meta = minetest.get_meta(pos)
-	local events = minetest.deserialize(meta:get_string("events"))
-	local numbers = minetest.deserialize(meta:get_string("numbers"))
-	local actions = minetest.deserialize(meta:get_string("actions"))
-	local done = minetest.deserialize(meta:get_string("done"))
-	local placer_name = meta:get_string("placer_name")
-	local number = meta:get_string("number")
-	
-	-- check all rules
-	for idx,act in ipairs(actions) do
-		if act ~= "" and numbers[idx] ~= "" then
-			local hr = (events[idx] - 1) * 2
-			if ((hour - hr) % 24) <= 4 then  -- last 4 hours?
-				if done[idx] == false then  -- not already executed?
-					tubelib.send_message(numbers[idx], placer_name, nil, act, number)
-					done[idx] = true
+	if tubelib.data_not_corrupted(pos) then
+		local hour = math.floor(minetest.get_timeofday() * 24)
+		local meta = minetest.get_meta(pos)
+		local events = minetest.deserialize(meta:get_string("events"))
+		local numbers = minetest.deserialize(meta:get_string("numbers"))
+		local actions = minetest.deserialize(meta:get_string("actions"))
+		local done = minetest.deserialize(meta:get_string("done"))
+		local placer_name = meta:get_string("placer_name")
+		local number = meta:get_string("number")
+		
+		-- check all rules
+		for idx,act in ipairs(actions) do
+			if act ~= "" and numbers[idx] ~= "" then
+				local hr = (events[idx] - 1) * 2
+				if ((hour - hr) % 24) <= 4 then  -- last 4 hours?
+					if done[idx] == false then  -- not already executed?
+						tubelib.send_message(numbers[idx], placer_name, nil, act, number)
+						done[idx] = true
+					end
+				else
+					done[idx] = false
 				end
-			else
-				done[idx] = false
 			end
 		end
+		
+		-- prepare for the next day
+		if hour == 23 then
+			done = {false,false,false,false,false,false}
+		end
+		meta:set_string("done",  minetest.serialize(done))
+		meta:set_string("infotext","Tubelib Timer "..hour..":00")
+		return true
 	end
-	
-	-- prepare for the next day
-	if hour == 23 then
-		done = {false,false,false,false,false,false}
-	end
-	meta:set_string("done",  minetest.serialize(done))
-	meta:set_string("infotext","Tubelib Timer "..hour..":00")
-	return true
+	return false
 end
 
 

tubelib_addons3/distributor.lua

@@ -254,9 +254,12 @@ end
 
 -- move items to the output slots
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	distributing(pos, meta)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		distributing(pos, meta)
+		return State:is_active(meta)
+	end
+	return false
 end
 
 local function on_receive_fields(pos, formname, fields, player)

tubelib_addons3/pusher.lua

@@ -51,9 +51,12 @@ local function pushing(pos, meta)
 end
 
 local function keep_running(pos, elapsed)
-	local meta = M(pos)
-	pushing(pos, meta)
-	return State:is_active(meta)
+	if tubelib.data_not_corrupted(pos) then
+		local meta = M(pos)
+		pushing(pos, meta)
+		return State:is_active(meta)
+	end
+	return false
 end	
 
 minetest.register_node("tubelib_addons3:pusher", {

tubelib_addons3/pushing_chest.lua

@@ -90,33 +90,36 @@ local function configured(pos, item)
 end
 
 local function shift_items(pos, elapsed)
-	local meta = minetest.get_meta(pos)
-	local inv = meta:get_inventory()
-	if not inv:is_empty("shift") then
-		local number = meta:get_string("number")
-		local player_name = meta:get_string("player_name")
-		local offs = meta:get_int("offs")
-		meta:set_int("offs", offs + 1)
-		for i = 0,7 do
-			local idx = ((i + offs) % 8) + 1
-			local stack = inv:get_stack("shift", idx)
-			if stack:get_count() > 0 then
-				if tubelib.push_items(pos, "R", stack, player_name) then
-					-- The effort is needed here for the case the 
-					-- pusher pushes into its own chest.
-					local num = stack:get_count()
-					stack = inv:get_stack("shift", idx)
-					stack:take_item(num)
-					inv:set_stack("shift", idx, stack)
-					aging(pos, meta)
-					return true
-				else
-					set_state(meta, "blocked")
+	if tubelib.data_not_corrupted(pos) then
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		if not inv:is_empty("shift") then
+			local number = meta:get_string("number")
+			local player_name = meta:get_string("player_name")
+			local offs = meta:get_int("offs")
+			meta:set_int("offs", offs + 1)
+			for i = 0,7 do
+				local idx = ((i + offs) % 8) + 1
+				local stack = inv:get_stack("shift", idx)
+				if stack:get_count() > 0 then
+					if tubelib.push_items(pos, "R", stack, player_name) then
+						-- The effort is needed here for the case the 
+						-- pusher pushes into its own chest.
+						local num = stack:get_count()
+						stack = inv:get_stack("shift", idx)
+						stack:take_item(num)
+						inv:set_stack("shift", idx, stack)
+						aging(pos, meta)
+						return true
+					else
+						set_state(meta, "blocked")
+					end
 				end
 			end
 		end
+		return true
 	end
-	return true
+	return false
 end
 
 local function formspec()