Wire up the rest for power.

modules/network/ctrl.lua

@@ -55,18 +55,24 @@ me.register_node("ctrl", {
   --HV_EU_supply = 144,
   --HV_EU_demand = 44,
   technic_run = function(pos, node)
-    --local meta = minetest.get_meta(pos)
+    local meta = minetest.get_meta(pos)
     -- quick cheat sheet for how to wire:
     --meta:set_int("HV_EU_input", 23)
     --meta:set_int("HV_EU_demand", 45)
     --meta:set_int("HV_EU_supply", 1045)
     local net = me.get_network(pos)
     if not net then
+      -- This is impossible, delete?
       local meta = minetest.get_meta(pos)
       meta:set_int("HV_EU_input", 0)
       return
     end
-    net:update_demand()
+    if net.input ~= meta:get_int("HV_EU_input") then
+      net.input = meta:get_int("HV_EU_input")
+      me.log("EU: input changed to "..net.input, "error")
+      -- This only needs to see changes to inbound power levels.
+      me.send_event(pos, "power")
+    end
   end,
   connect_sides = "nobottom",
   me_update = function(pos,_,ev)
@@ -80,12 +86,14 @@ me.register_node("ctrl", {
   mesecons = {effector = {
     action_on = function (pos, node)
       local net = me.get_network(pos)
+      --me.log("SWITCH: on", "error")
       -- turn OFF on mese power
       local meta = minetest.get_meta(pos)
       meta:set_int("enabled", 0)
       net:update_demand()
     end,
     action_off = function (pos, node)
+      --me.log("SWITCH: off", "error")
       local net = me.get_network(pos)
       -- turn ON without mesepower
       local meta = minetest.get_meta(pos)
@@ -199,12 +207,14 @@ me.register_machine("cable", {
       if ev.type ~= "disconnect" then return end
     end
     --maybe this shouldn't be called on every update
+    if false then
     local meta = minetest.get_meta(pos)
     if me.get_connected_network(pos) then
       meta:set_string("infotext", "Network connected")
     else
       meta:set_string("infotext", "No Network")
     end
+    end
   end,
   machine = {
     type = "conductor",

modules/network/network.lua

@@ -529,48 +529,59 @@ end
 
 -- Helper to check to see if the controller is on and powered.
 function network:powered(name)
+  if not name and minetest.localplayer then
+    -- this works for the client side only
+    name = minetest.localplayer:get_name()
+    -- todo: on the server side, how do we get the player name?
+  end
   local net = self
   local meta = minetest.get_meta(net.controller_pos)
   local run = meta:get_int("enabled") == 1
   if not run then
-    minetest.chat_send_player(name, "Please enable by turning controller switch.")
+    if name then minetest.chat_send_player(name, "Please enable by turning controller switch.") end
     return false
   end
-  --me.log("REMOTE: power level input is "..meta:get_int("HV_EU_input").." and demand is "..meta:get_int("HV_EU_demand"), "error")
+  me.log("NETWORK: powered power level input is "..meta:get_int("HV_EU_input").." and demand is "..meta:get_int("HV_EU_demand"), "error")
   run = not technic or (meta:get_int("HV_EU_input") >= meta:get_int("HV_EU_demand") and meta:get_int("HV_EU_input") > 0)
   if not run then
-    minetest.chat_send_player(name, "Please provide HV power to ME controller.")
+    if name then minetest.chat_send_player(name, "Please provide HV power to ME controller.") end
     return false
   end
   return true
 end
 
 function network:update_demand()
-  local demand = 60
   local pos = self.controller_pos
   local meta = minetest.get_meta(pos)
   local net = self
   if meta:get_int("enabled") == 0 then
+    if meta:get_int("HV_EU_demand") ~= 0 then
       meta:set_int("HV_EU_demand", 0)
       meta:set_string("infotext", "Disabled")
+      me.send_event(pos, "power")
+    end
     return
   end
+  local demand = 60  -- controller is 60
   for ipos in me.connected_nodes(pos) do
     local name = me.get_node(ipos).name
     if name == "microexpansion:cable" then
-      demand = demand + 1
+      demand = demand + 1 -- cables are 1
     elseif name == "microexpansion:interface" then
       local meta = minetest.get_meta(ipos)
       local inventories = minetest.deserialize(meta:get_string("connected"))
-      demand = demand + #inventories * 10 + 20
+      demand = demand + #inventories * 10 + 20 -- interfaces are 20 and 10 for each machine or inventory
     else
-      demand = demand + 10
+      demand = demand + 10 -- everything else is 10
     end
+  end
+  if meta:get_int("HV_EU_demand") ~= demand then
     local name = meta:get_string("owner")
     meta:set_string("infotext", "Network Controller (owned by "..name..")")
-  end
+    me.log("NET: demand changed to "..demand, "error")
-  --me.log("NET: demand is "..demand, "error")
     meta:set_int("HV_EU_demand", demand)
+    me.send_event(pos, "power")
+  end
 end
 
 -- We don't save this data, rather we rewalk upon first use. If 1% of

modules/storage/cmonitor.lua

@@ -63,6 +63,12 @@ local function chest_formspec(pos, start_id, listname, page_max, q)
       "/" .. page_max .."]"
   end
 
+  if net and not net:powered() then
+    list = "label[3,2;" .. minetest.colorize("red", "No power!") .. "]"
+    buttons = ""
+    page_number = ""
+  end
+
   return [[
     size[9,12.5]
   ]]..

modules/storage/cterminal.lua

@@ -89,6 +89,12 @@ local function chest_formspec(pos, start_id, listname, page_max, q, c)
       "/" .. page_max .."]"
   end
 
+  if net and not net:powered() then
+    list = "label[3,2;" .. minetest.colorize("red", "No power!") .. "]"
+    buttons = ""
+    page_number = ""
+  end
+
   return [[
     size[9,12.5]
   ]]..
@@ -105,6 +111,7 @@ local function chest_formspec(pos, start_id, listname, page_max, q, c)
 end
 
 local function update_chest(pos,_,ev)
+  --me.log("CTERM: got event "..((ev and ev.type) or "<null>"), "error")
   --for now all events matter
 
   local net = me.get_connected_network(pos)
@@ -259,7 +266,7 @@ end
 
 
 function me.register_output_to_inputs(output, inputs)
-  me.log("REG: output "..output.." from inputs "..dump(inputs))
+  --me.log("REG: output "..output.." from inputs "..dump(inputs))
   me.map_output_to_inputs[output] = inputs
 end
 
@@ -455,7 +462,6 @@ me.register_node("cterminal", {
   me_update = update_chest,
   on_construct = function(pos)
     local meta = minetest.get_meta(pos)
-    meta:set_string("formspec", chest_formspec(pos, 1))
     meta:set_string("inv_name", "none")
     meta:set_int("page", 1)
 
@@ -466,9 +472,7 @@ me.register_node("cterminal", {
 
     local net = me.get_connected_network(pos)
     me.send_event(pos, "connect", {net=net})
-    if net then
     update_chest(pos)
-    end
   end,
   after_destruct = function(pos)
     me.send_event(pos, "disconnect")
@@ -728,7 +732,7 @@ me.register_node("cterminal", {
     elseif fields.crafts then
       meta:set_int("page", 1)
       --me.log("CRAFT: craftables: "..dump(net and net.process), "error")
-      me.log("CRAFT: got fields: "..dump(fields), "error")
+      --me.log("CRAFT: got fields: "..dump(fields), "error")
       inv_name = "main"
       if fields.crafts == "true" then
 	crafts = true
@@ -783,7 +787,7 @@ me.register_node("cterminal", {
       end
     elseif fields.search or fields.key_enter_field == "filter" then
       own_inv:set_size("search", 0)
-      me.log("CRAFT: got fields: "..dump(fields), "error")
+      --me.log("CRAFT: got fields: "..dump(fields), "error")
       meta:set_int("page", 1)
       inv_name = "main"
       inv = ctrl_inv
@@ -809,7 +813,7 @@ me.register_node("cterminal", {
 	meta:set_string("formspec", chest_formspec(pos, 1, inv_name, page_max, fields.filter, crafts))
       end
     elseif fields.clear then
-      me.log("CRAFT: got fields: "..dump(fields), "error")
+      --me.log("CRAFT: got fields: "..dump(fields), "error")
       own_inv:set_size("search", 0)
       own_inv:set_size("crafts", 0)
       meta:set_int("page", 1)

modules/storage/interface.lua

@@ -56,11 +56,40 @@ function me.walk_connected(pos)
   return nodes
 end
 
+local function chest_formspec(pos)
+  local net = me.get_connected_network(pos)
+  local list
+  list = [[
+      list[context;import;0,0.3;9,1]
+      list[context;export;0,0.3;9,1]
+      list[current_player;main;0,3.5;8,1;]
+      list[current_player;main;0,4.73;8,3;8]
+      listring[current_name;import]
+      listring[current_player;main]
+  ]]
+
+  if net and not net:powered() then
+    list = "label[3,2;" .. minetest.colorize("red", "No power!") .. "]"
+  end
+
+  local formspec =
+      "size[9,7.5]"..
+      microexpansion.gui_bg ..
+      microexpansion.gui_slots ..
+      "label[0,-0.23;ME Interface]" ..
+      list
+  return formspec
+end
+
 local function update(pos,_,ev)
+  --me.log("INTERFACE: got event "..((ev and ev.type) or "<null>"), "error")
   if ev.type == "connect" then
     -- net.update_counts()
   elseif ev.type == "disconnect" then
     --
+  elseif ev.type == "power" then
+    local int_meta = minetest.get_meta(pos)
+    int_meta:set_string("formspec", chest_formspec(pos))
   end
 end
 
@@ -156,20 +185,7 @@ me.register_node("interface", {
   me_update = update,
   on_construct = function(pos)
     local int_meta = minetest.get_meta(pos)
-    int_meta:set_string("formspec",
+    int_meta:set_string("formspec", chest_formspec(pos))
-      "size[9,7.5]"..
-      microexpansion.gui_bg ..
-      microexpansion.gui_slots ..
-    [[
-      label[0,-0.23;ME Interface]
-      list[context;import;0,0.3;9,1]
-      list[context;export;0,0.3;9,1]
-      list[current_player;main;0,3.5;8,1;]
-      list[current_player;main;0,4.73;8,3;8]
-      listring[current_name;import]
-      listring[current_player;main]
-      field_close_on_enter[filter;false]
-    ]])
     local inv = int_meta:get_inventory()
     inv:set_size("export", 3)
     inv:set_size("import", 3)
@@ -182,6 +198,7 @@ me.register_node("interface", {
       return
     end
     me.reload_interface(net, pos, true)
+    net:update_demand()
   end,
   can_dig = function(pos)
     local meta = minetest.get_meta(pos)
@@ -267,6 +284,7 @@ me.register_node("interface", {
         end
       end
     end
+    net:update_demand()
   end,
   after_destruct = function(pos)
     me.send_event(pos, "disconnect")

modules/storage/terminal.lua

@@ -59,6 +59,12 @@ local function chest_formspec(pos, start_id, listname, page_max, q)
       "/" .. page_max .."]"
   end
 
+  if net and not net:powered() then
+    list = "label[3,2;" .. minetest.colorize("red", "No power!") .. "]"
+    buttons = ""
+    page_number = ""
+  end
+
   return [[
     size[9,9.5]
   ]]..
@@ -117,7 +123,6 @@ me.register_node("term", {
   me_update = update_chest,
   on_construct = function(pos)
     local meta = minetest.get_meta(pos)
-    meta:set_string("formspec", chest_formspec(pos, 1))
     meta:set_string("inv_name", "none")
     meta:set_int("page", 1)
 
@@ -126,9 +131,7 @@ me.register_node("term", {
 
     local net = me.get_connected_network(pos)
     me.send_event(pos, "connect", {net=net})
-    if net then
     update_chest(pos)
-    end
   end,
   after_destruct = function(pos)
     me.send_event(pos, "disconnect")