Upgrades to battery boxes too, prevent frames from moving too often (one move every second max)

technic/machines/HV/battery_box.lua

@@ -15,5 +15,7 @@ technic.register_battery_box({
 	discharge_rate = 400000,
 	charge_step    = 10000,
 	discharge_step = 40000,
+	upgrade        = 1,
+	tube           = 1,
 })
 

technic/machines/MV/battery_box.lua

@@ -16,5 +16,7 @@ technic.register_battery_box({
 	discharge_rate = 80000,
 	charge_step    = 2000,
 	discharge_step = 8000,
+	upgrade        = 1,
+	tube           = 1,
 })
 

technic/machines/other/frames.lua

@@ -542,11 +542,15 @@ local function frame_motor_on(pos, node)
 		nnode.name = frames_pos[pos_to_string(nnodepos)]
 	end
 	local meta = minetest.get_meta(pos)
+	if meta:get_int("last_moved") == minetest.get_gametime() then
+		return
+	end
 	local owner = meta:get_string("owner")
 	if minetest.registered_nodes[nnode.name].frame==1 then
 		local connected_nodes=get_connected_nodes(nnodepos)
 		move_nodes_vect(connected_nodes,dir,pos,owner)
 	end
+	minetest.get_meta(vector.add(pos, dir)):set_int("last_moved", minetest.get_gametime())
 end
 
 minetest.register_node("technic:frame_motor",{
@@ -843,11 +847,15 @@ local function template_motor_on(pos, node)
 	local dir = minetest.facedir_to_dir(node.param2)
 	local nnode=minetest.get_node(nnodepos)
 	local meta = minetest.get_meta(pos)
+	if meta:get_int("last_moved") == minetest.get_gametime() then
+		return
+	end
 	local owner = meta:get_string("owner")
 	if nnode.name == "technic:template" then
 		local connected_nodes=get_template_nodes(nnodepos)
 		move_nodes_vect(connected_nodes,dir,pos,owner)
 	end
+	minetest.get_meta(vector.add(pos, dir)):set_int("last_moved", minetest.get_gametime())
 end
 
 minetest.register_node("technic:template_motor",{

technic/machines/register/battery_box.lua

@@ -29,6 +29,33 @@ minetest.register_tool("technic:battery", {
 	}
 })
 
+local tube = {
+	insert_object = function(pos, node, stack, direction)
+		if direction.y == 0 then
+			return stack
+		end
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		if direction.y > 0 then
+			return inv:add_item("src", stack)
+		else
+			return inv:add_item("dst", stack)
+		end
+	end,
+	can_insert = function(pos, node, stack, direction)
+		if direction.y == 0 then
+			return false
+		end
+		local meta = minetest.get_meta(pos)
+		local inv = meta:get_inventory()
+		if direction.y > 0 then
+			return inv:room_for_item("src", stack)
+		else
+			return inv:room_for_item("dst", stack)
+		end
+	end,
+	connect_sides = {left=1, right=1, back=1, top=1, bottom=1},
+}
 
 function technic.register_battery_box(data)
 	local tier = data.tier
@@ -45,12 +72,25 @@ function technic.register_battery_box(data)
 		"label[5,0;"..S("Discharge").."]"..
 		"label[1,3;"..S("Power level").."]"..
 		"list[current_player;main;0,5;8,4;]"
+	
+	if data.upgrade then
+		formspec = formspec..
+			"list[current_name;upgrade1;3.5,3;1,1;]"..
+			"list[current_name;upgrade2;4.5,3;1,1;]"..
+			"label[3.5,4;"..S("Upgrade Slots").."]"
+	end
 
 	for i = 0, 8 do
 		local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2}
 		if i ~= 0 then
 			groups.not_in_creative_inventory = 1
 		end
+		
+		if data.tube then
+			groups.tubedevice = 1
+			groups.tubedevice_receiver = 1
+		end
+		
 		minetest.register_node("technic:"..ltier.."_battery_box"..i, {
 			description = S("%s Battery Box"):format(tier),
 			tiles = {"technic_"..ltier.."_battery_box_top.png",
@@ -60,6 +100,8 @@ function technic.register_battery_box(data)
 				 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
 				 "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png"},
 			groups = groups,
+			tube = data.tube and tube or nil,
+			paramtype2 = "facedir",
 			sounds = default.node_sound_wood_defaults(),
 			drop = "technic:"..ltier.."_battery_box0",
 			on_construct = function(pos)
@@ -75,6 +117,8 @@ function technic.register_battery_box(data)
 				meta:set_float("internal_EU_charge", 0)
 				inv:set_size("src", 1)
 				inv:set_size("dst", 1)
+				inv:set_size("upgrade1", 1)
+				inv:set_size("upgrade2", 1)
 			end,
 			can_dig = technic.machine_can_dig,
 			allow_metadata_inventory_put = technic.machine_inventory_put,
@@ -100,30 +144,49 @@ function technic.register_battery_box(data)
 			-- Power off automatically if no longer connected to a switching station
 			technic.switching_station_timeout_count(pos, tier)
 
+			local EU_upgrade, tube_upgrade = 0, 0
+			if data.upgrade then
+				EU_upgrade, tube_upgrade = technic.handle_machine_upgrades(meta)
+			end
+			local max_charge = data.max_charge * (1 + EU_upgrade / 10)
+			
 			-- Charge/discharge the battery with the input EUs
 			if eu_input >= 0 then
-				current_charge = math.min(current_charge + eu_input, data.max_charge)
+				current_charge = math.min(current_charge + eu_input, max_charge)
 			else
 				current_charge = math.max(current_charge + eu_input, 0)
 			end
 
 			-- Charging/discharging tools here
-			current_charge = technic.charge_tools(meta,
+			local tool_full, tool_empty
+			current_charge, tool_full = technic.charge_tools(meta,
 					current_charge, data.charge_step)
-			current_charge = technic.discharge_tools(meta,
+			current_charge, tool_empty = technic.discharge_tools(meta,
 					current_charge, data.discharge_step,
-					data.max_charge)
+					max_charge)
+			
+			if data.tube then
+				local inv = meta:get_inventory()
+				technic.handle_machine_pipeworks(pos, tube_upgrade,
+				function(pos, x_velocity, z_velocity)
+					if tool_full and not inv:is_empty("src") then
+						technic.send_items(pos, x_velocity, z_velocity, "src")
+					elseif tool_empty and not inv:is_empty("dst") then
+						technic.send_items(pos, x_velocity, z_velocity, "dst")
+					end
+				end)
+			end
 
 			-- We allow batteries to charge on less than the demand
 			meta:set_int(tier.."_EU_demand",
-					math.min(data.charge_rate, data.max_charge - current_charge))
+					math.min(data.charge_rate, max_charge - current_charge))
 			meta:set_int(tier.."_EU_supply",
 					math.min(data.discharge_rate, current_charge))
 
 			meta:set_int("internal_EU_charge", current_charge)
 
 			-- Select node textures
-			local charge_count = math.ceil((current_charge / data.max_charge) * 8)
+			local charge_count = math.ceil((current_charge / max_charge) * 8)
 			charge_count = math.min(charge_count, 8)
 			charge_count = math.max(charge_count, 0)
 			local last_count = meta:get_float("last_side_shown")
@@ -132,7 +195,7 @@ function technic.register_battery_box(data)
 				meta:set_float("last_side_shown", charge_count)
 			end
 
-			local charge_percent = math.floor(current_charge / data.max_charge * 100)
+			local charge_percent = math.floor(current_charge / max_charge * 100)
 			meta:set_string("formspec",
 				formspec..
 				"image[1,1;1,2;technic_power_meter_bg.png"
@@ -140,7 +203,7 @@ function technic.register_battery_box(data)
 				..":technic_power_meter_fg.png]")
 
 			local infotext = S("%s Battery Box: %d/%d"):format(tier,
-					current_charge, data.max_charge)
+					current_charge, max_charge)
 			if eu_input == 0 then
 				infotext = S("%s Idle"):format(infotext)
 			end
@@ -160,13 +223,13 @@ end -- End registration
 function technic.charge_tools(meta, batt_charge, charge_step)
 	local inv = meta:get_inventory()
 	if inv:is_empty("src") then
-		return batt_charge
+		return batt_charge, false
 	end
 	local srcstack = inv:get_stack("src", 1)
 
 	local toolname = srcstack:get_name()
 	if not technic.power_tools[toolname] then
-		return batt_charge
+		return batt_charge, false
 	end
 	-- Set meta data for the tool if it didn't do it itself
 	src_meta = minetest.deserialize(srcstack:get_metadata())
@@ -177,8 +240,10 @@ function technic.charge_tools(meta, batt_charge, charge_step)
 	-- Do the charging
 	local item_max_charge = technic.power_tools[toolname]
 	local tool_charge     = src_meta.charge
-	if tool_charge >= item_max_charge or batt_charge <= 0 then
+	if tool_charge >= item_max_charge then
-		return batt_charge
+		return batt_charge, true
+	elseif batt_charge <= 0 then
+		return batt_charge, false
 	end
 	charge_step = math.min(charge_step, batt_charge)
 	charge_step = math.min(charge_step, item_max_charge - tool_charge)
@@ -188,19 +253,19 @@ function technic.charge_tools(meta, batt_charge, charge_step)
 	src_meta.charge = tool_charge
 	srcstack:set_metadata(minetest.serialize(src_meta))
 	inv:set_stack("src", 1, srcstack)
-	return batt_charge
+	return batt_charge, (tool_charge == item_max_charge)
 end
 
 
 function technic.discharge_tools(meta, batt_charge, charge_step, max_charge)
 	local inv = meta:get_inventory()
 	if inv:is_empty("dst") then
-		return batt_charge
+		return batt_charge, false
 	end
 	srcstack = inv:get_stack("dst", 1)
 	local toolname = srcstack:get_name()
 	if technic.power_tools[toolname] == nil then
-		return batt_charge
+		return batt_charge, false
 	end
 	-- Set meta data for the tool if it didn't do it itself :-(
 	local src_meta = minetest.deserialize(srcstack:get_metadata())
@@ -212,8 +277,10 @@ function technic.discharge_tools(meta, batt_charge, charge_step, max_charge)
 	-- Do the discharging
 	local item_max_charge = technic.power_tools[toolname]
 	local tool_charge     = src_meta.charge
-	if tool_charge <= 0 or batt_charge >= max_charge then
+	if tool_charge <= 0 then
-		return batt_charge
+		return batt_charge, true
+	elseif batt_charge >= max_charge then
+		return batt_charge, false
 	end
 	charge_step = math.min(charge_step, max_charge - batt_charge)
 	charge_step = math.min(charge_step, tool_charge)
@@ -223,6 +290,6 @@ function technic.discharge_tools(meta, batt_charge, charge_step, max_charge)
 	src_meta.charge = tool_charge
 	srcstack:set_metadata(minetest.serialize(src_meta))
 	inv:set_stack("dst", 1, srcstack)
-	return batt_charge
+	return batt_charge, (tool_charge == 0)
 end
 

technic/machines/register/common.lua

@@ -37,12 +37,16 @@ function technic.handle_machine_upgrades(meta)
 end
 
 
-function technic.send_items(pos, x_velocity, z_velocity)
+function technic.send_items(pos, x_velocity, z_velocity, output_name)
 	-- Send items on their way in the pipe system.
+	if output_name == nil then
+		output_name = "dst"
+	end
+	
 	local meta = minetest.get_meta(pos) 
 	local inv = meta:get_inventory()
 	local i = 0
-	for _, stack in ipairs(inv:get_list("dst")) do
+	for _, stack in ipairs(inv:get_list(output_name)) do
 		i = i + 1
 		if stack then
 			local item0 = stack:to_table()
@@ -53,7 +57,7 @@ function technic.send_items(pos, x_velocity, z_velocity)
 				item1:setvelocity({x=x_velocity, y=0, z=z_velocity})
 				item1:setacceleration({x=0, y=0, z=0})
 				stack:take_item(1)
-				inv:set_stack("dst", i, stack)
+				inv:set_stack(output_name, i, stack)
 				return
 			end
 		end
@@ -81,7 +85,11 @@ function technic.smelt_item(meta, result, speed)
 	end
 end
 
-function technic.handle_machine_pipeworks(pos, tube_upgrade)
+function technic.handle_machine_pipeworks(pos, tube_upgrade, send_function)
+	if send_function == nil then
+		send_function = technic.send_items
+	end
+	
 	local node = minetest.get_node(pos)
 	local meta = minetest.get_meta(pos)
 	local inv = meta:get_inventory()
@@ -105,7 +113,7 @@ function technic.handle_machine_pipeworks(pos, tube_upgrade)
 	if tube_time >= 2 then
 		tube_time = 0
 		if output_tube_connected then
-			technic.send_items(pos, x_velocity, z_velocity)
+			send_function(pos, x_velocity, z_velocity)
 		end
 	end
 	meta:set_int("tube_time", tube_time)