electric junction works now

basis/junction.lua

@@ -56,14 +56,14 @@ function techage.register_junction(name, size, boxes, network, node)
 		node.groups.not_in_creative_inventory = idx
 		node.drawtype = "nodebox"
 		node.node_box = get_node_box(idx, size, boxes)
-		node.paramtype2 = "facedir"  -- important!
-		node.on_rotate = screwdriver.disallow  -- important!
+		node.paramtype2 = "facedir"
+		node.on_rotate = screwdriver.disallow
 		node.paramtype = "light" 
 		node.sunlight_propagates = true 
 		node.is_ground_content = false 
 		node.drop = name.."0" 
 		
-		minetest.register_node(name..idx, table.copy(node))
+		minetest.register_node(name..idx, node)
 		network:add_secondary_node_names({name..idx})
 	end
 end
@@ -77,3 +77,4 @@ function techage.junction_type(conn)
 	end
 	return val
 end	
+

basis/power.lua

@@ -66,15 +66,14 @@ local function power_consumption(pos, dir)
 	if pos_already_reached(pos) then return 0 end
 	local mem = tubelib2.get_mem(pos)
 	local conn = mem.connections or {}
-	local val = 0
-	for fdir,fpos in pairs(conn) do
-		if fdir ~= tubelib2.Turn180Deg[dir or 0] then
-			local this = TP(fpos)
+	local this = TP(pos)
+	local val = this.power_consumption(pos, tubelib2.Turn180Deg[dir])
+	for out_dir,item in pairs(conn) do
+		-- Not in the opposite direction
+		if out_dir ~= tubelib2.Turn180Deg[dir or 0] then
+			this = TP(item.pos)
 			if this and this.power_consumption then
-				--print("power_consumption", S(fpos), dump(val), dump(this.power_consumption(fpos, fdir)))
-				val = val + this.power_consumption(fpos, fdir)
-			else
-				val = val + power_consumption(fpos, fdir)
+				val = val + this.power_consumption(item.pos, item.in_dir)
 			end
 		end
 	end
@@ -93,62 +92,56 @@ local function turn_on(pos, dir, on)
 	if pos_already_reached(pos) then return end
 	local mem = tubelib2.get_mem(pos)
 	local conn = mem.connections or {}
-	--print("turn_on", dump(conn))
-	for fdir,fpos in pairs(conn) do
-		if fdir ~= tubelib2.Turn180Deg[dir or 0] then
-			local this = TP(fpos)
+	local this = TP(pos)
+	if this and this.turn_on then
+		this.turn_on(pos, dir, on)
+	end
+	for out_dir,item in pairs(conn) do
+		-- Not in the opposite direction
+		if out_dir ~= tubelib2.Turn180Deg[dir or 0] then
+			local this = TP(item.pos)
 			if this and this.turn_on then
-				this.turn_on(fpos, fdir, on)
+				this.turn_on(item.pos, item.in_dir, on)
 			end
 			if this and this.animated_power_network then
-				turn_tube_on(pos, fdir, this.power_network, on)
+				turn_tube_on(item.pos, item.in_dir, this.power_network, on)
 			end
-			turn_on(fpos, fdir, on)
+			turn_on(item.pos, item.in_dir, on)
 		end
 	end
 end
 
--- power source: power > 0
--- power sink: power < 0
--- switched off: power = 0
-local function sink_power_consumption(pos, power)
+
+-- To be called delayed from any node, after any change.
+-- The result is stored in mem.power_result
+local function calc_power_consumption(pos, dir)
+	local mem = tubelib2.get_mem(pos)
 	Route = {}
-	local sum = power + power_consumption(pos)
+	local sum = power_consumption(pos, dir)
 	Route = {}
-	print("sink_power_consumption", sum)
 	turn_on(pos, nil, sum > 0)
+	
+	mem.power_result = sum
 	return sum
 end
 
--- To be called from any generator
-local function source_power_consumption(pos, mem)
-	local power = mem.power_produce or 0
-	mem.power_result = sink_power_consumption(pos, power)
-	return mem.power_result > 0
-end
-
-techage.sink_power_consumption = sink_power_consumption
-techage.source_power_consumption = source_power_consumption
-
-
 --
 -- Generator with on power output side
 --
-function techage.generator_on(pos, power)
+function techage.generator_on(pos, max_power)
 	local mem = tubelib2.get_mem(pos)
-	mem.power_produce = power
-	return source_power_consumption(pos, mem)
+	mem.power_produce = max_power
+	return calc_power_consumption(pos, mem.power_dir)
 end
 
 function techage.generator_off(pos)
 	local mem = tubelib2.get_mem(pos)
 	mem.power_produce = 0
-	return source_power_consumption(pos, mem)
+	return calc_power_consumption(pos, mem.power_dir)
 end
 
 function techage.generator_power_consumption(pos, dir)
 	local mem = tubelib2.get_mem(pos)
-	--print("generator_power_consumption", dir, mem.power_dir)
 	if dir == tubelib2.Turn180Deg[mem.power_dir or 0] then
 		return mem.power_produce or 0
 	end
@@ -161,15 +154,20 @@ function techage.generator_after_place_node(pos)
 	mem.power_produce = 0 -- will be set via generator_on
 	mem.power_result = 0
 	TP(pos).power_network:after_place_node(pos)
+	return mem
 end
 		
 function techage.generator_after_tube_update(node, pos, out_dir, peer_pos, peer_in_dir)
 	-- check if contact side is correct
 	local mem = tubelib2.get_mem(pos)
 	if out_dir == mem.power_dir then
-		-- store connection for 'source_power_consumption()'
-		mem.connections = {[out_dir] = peer_pos}
-		source_power_consumption(pos, mem)
+		if not peer_in_dir then
+			mem.connections = {[out_dir] = nil} -- del connection
+		else
+			-- Generator accept one dir only
+			mem.connections = {[out_dir] = {pos = peer_pos, in_dir = peer_in_dir}}
+		end
+		minetest.after(0.2, calc_power_consumption, pos)
 	end
 end
 
@@ -183,7 +181,6 @@ function techage.generator_after_dig_node(pos, oldnode)
 end
 
 function techage.generator_formspec_level(mem)
-	--print("generator_formspec_level", mem.power_result, mem.power_produce)
 	local percent = ((mem.power_result or 0) * 100) / (mem.power_produce or 1)
 	return "techage_form_level_bg.png^[lowpart:"..percent..":techage_form_level_fg.png]"
 end
@@ -197,21 +194,20 @@ function techage.distributor_power_consumption(pos, dir)
 end
 	
 function techage.distributor_after_place_node(pos, placer)
-	local this = TP(pos)
-	this.power_network:after_place_node(pos)
-	sink_power_consumption(pos, -this.power_consume)
+	local mem = tubelib2.init_mem(pos)
+	TP(pos).power_network:after_place_node(pos)
+	return mem
 end
 		
 function techage.distributor_after_tube_update(node, pos, out_dir, peer_pos, peer_in_dir)
-	print("Distributor", node, S(pos), out_dir, S(peer_pos), peer_in_dir)
 	local mem = tubelib2.get_mem(pos)
 	mem.connections = mem.connections or {}
-	mem.connections[out_dir] = peer_pos
-	local sum = sink_power_consumption(pos, -TP(pos).power_consume) 
-end
-
-function techage.distributor_on_destruct(pos)
-	sink_power_consumption(pos, -TP(pos).power_consume)
+	if not peer_in_dir then
+		mem.connections = {[out_dir] = nil} -- del connection
+	else
+		mem.connections[out_dir] = {pos = peer_pos, in_dir = peer_in_dir}
+	end
+	minetest.after(0.2, calc_power_consumption, pos)
 end
 
 function techage.distributor_after_dig_node(pos, oldnode)
@@ -223,30 +219,29 @@ end
 -- Consumer with one power input side (default)
 --
 function techage.consumer_power_consumption(pos, dir)
-	print("consumer_power_consumption")
-	return -TP(pos).power_consume
+	local mem = tubelib2.get_mem(pos)
+	mem.power_consume = mem.power_consume or 0
+	return -mem.power_consume
 end
 	
 function techage.consumer_after_place_node(pos, placer)
-	print("consumer_after_place_node")
 	local mem = tubelib2.init_mem(pos)
-	local this = TP(pos)
-	mem.power_dir = tubelib2.Turn180Deg[side_to_dir(pos, this.power_side or 'L')]
-	this.power_network:after_place_node(pos)
-	--sink_power_consumption(pos, -this.power_consume)
+	TP(pos).power_network:after_place_node(pos)
+	return mem
 end
 		
 function techage.consumer_after_tube_update(node, pos, out_dir, peer_pos, peer_in_dir)
 	local mem = tubelib2.get_mem(pos)
-	mem.connections = {[out_dir] = peer_pos}
-	print("consumer_after_tube_update", out_dir, S(peer_pos))
-	local sum = sink_power_consumption(pos, -TP(pos).power_consume) 
-	-- Needed to be able to turn off the consumer itself
-	TP(pos).turn_on(pos, nil, sum > 0)
-end
-
-function techage.consumer_on_destruct(pos)
-	sink_power_consumption(pos, -TP(pos).power_consume)
+	mem.connections = mem.connections or {}
+	-- Only one connection is allowed, which can be overwritten, if necessary.
+	if not peer_pos or not next(mem.connections) or mem.connections[out_dir] then
+		if not peer_in_dir then
+			mem.connections = {[out_dir] = nil} -- del connection
+		else
+			mem.connections = {[out_dir] = {pos = peer_pos, in_dir = peer_in_dir}}
+		end
+	end
+	minetest.after(0.2, calc_power_consumption, pos)
 end
 
 function techage.consumer_after_dig_node(pos, oldnode)

basis/trowel.lua

@@ -106,7 +106,7 @@ minetest.register_on_dignode(function(pos, oldnode, digger)
 	-- a hidden node, too.
 	if other_hidden_nodes(pos, "techage_hidden_nodename") then
 		-- test both hidden networks
-		techage.ElectricCable:after_dig_node("techage_hidden_nodename")
-		techage.BiogasPipe:after_dig_node("techage_hidden_nodename")
+		techage.ElectricCable:after_dig_node(pos, oldnode, digger)
+		techage.BiogasPipe:after_dig_node(pos, oldnode, digger)
 	end
 end)

electric/electric_cable.lua

@@ -145,38 +145,28 @@ local Boxes = {
 	{{-size, -size, -size, size,  0.5,  size}}, -- y+
 }
 
-techage.register_junction("techage:electric_junction", 2/8, Boxes, Cable, {
+techage.register_junction("techage:electric_junction", 2/8, Boxes, techage.ElectricCable, {
 	description = "Electricity Junction Box",
 	tiles = {"techage_electric_junction.png"},
 	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, techage_trowel = 1},
 	sounds = default.node_sound_defaults(),
 	techage = {
 		power_consumption =	techage.distributor_power_consumption,
-		power_network = Cable,
+		power_network = techage.ElectricCable,
 		power_consume = 0,
 	},
-
-	after_place_node = function(pos, placer, itemstack, pointed_thing)
-		tubelib2.init_mem(pos)
-		Cable:after_place_node(pos)
-		techage.sink_power_consumption(pos, 0)
-	end,
+	description = "Electricity Junction Box",
+	tiles = {"techage_electric_junction.png"},
+	groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 3, techage_trowel = 1},
+	sounds = default.node_sound_defaults(),
+	
+	after_place_node = techage.distributor_after_place_node,
+	after_dig_node = techage.distributor_after_dig_node,
 
 	after_tube_update = function(node, pos, out_dir, peer_pos, peer_in_dir)
+		techage.distributor_after_tube_update(node, pos, out_dir, peer_pos, peer_in_dir)
 		local mem = tubelib2.get_mem(pos)
-		mem.connections = mem.connections or {}
-		mem.connections[out_dir] = peer_pos
 		local name = "techage:electric_junction"..techage.junction_type(mem.connections)
 		minetest.swap_node(pos, {name = name, param2 = 0})
-		techage.sink_power_consumption(pos, 0)
-	end,
-	
-	on_destruct = function(pos)
-		techage.sink_power_consumption(pos, 0)
-	end,
-
-	after_dig_node = function(pos, oldnode, oldmetadata, digger)
-		Cable:after_dig_node(pos)
 	end,
 })
-

electric/test.lua

@@ -43,13 +43,14 @@ minetest.register_node("techage:lamp", {
 		turn_on = lamp_turn_on,
 		power_consumption =	techage.consumer_power_consumption,
 		power_network = techage.ElectricCable,
-		power_consume = POWER_CONSUME,
-		power_side = 'B',
 	},
 	
-	after_place_node = techage.consumer_after_place_node,
+	after_place_node = function(pos, placer)
+		local mem = techage.consumer_after_place_node(pos, placer)
+		mem.power_consume = POWER_CONSUME
+	end,
+	
 	after_tube_update = techage.consumer_after_tube_update,
-	on_destruct = techage.consumer_on_destruct,
 	after_dig_node = techage.consumer_after_dig_node,
 
 	paramtype = "light",
@@ -75,7 +76,6 @@ minetest.register_node("techage:lamp_on", {
 	
 	after_place_node = techage.consumer_after_place_node,
 	after_tube_update = techage.consumer_after_tube_update,
-	on_destruct = techage.consumer_on_destruct,
 	after_dig_node = techage.consumer_after_dig_node,
 
 	paramtype = "light",
@@ -106,8 +106,9 @@ minetest.register_node("techage:power", {
 	is_ground_content = false,
 
 	techage = {
+		power_consumption =	techage.generator_power_consumption,
 		power_network = Cable,
-		power_consumption = techage.generator_power_consumption,
+		power_consume = 0,
 	},
 	
 	after_place_node = techage.generator_after_place_node,
@@ -117,11 +118,16 @@ minetest.register_node("techage:power", {
 
 	on_rightclick = function(pos, node, clicker)
 		local mem = tubelib2.get_mem(pos)
-		print("on_rightclick", mem.power)
-		if mem.power_produce and mem.power_produce > 0 then
-			techage.generator_off(pos)
+		mem.running = mem.running or false
+		print("on_rightclick", mem.running)
+		if mem.running then
+			mem.running = false
+			local sum = techage.generator_off(pos)
+			M(pos):set_string("infotext", sum.." / "..8)
 		else
-			techage.generator_on(pos, 8)
+			mem.running = true
+			local sum = techage.generator_on(pos, 8)
+			M(pos):set_string("infotext", sum.." / "..8)
 		end
 	end,
 })

init.lua

@@ -30,7 +30,7 @@ dofile(MP.."/electric/electric_cable.lua")
 dofile(MP.."/electric/test.lua")
 
 
-dofile(MP.."/fermenter/biogas_pipe.lua")
+--dofile(MP.."/fermenter/biogas_pipe.lua")
 dofile(MP.."/fermenter/gasflare.lua")