Zefram
2014-04-26 f5041784212a5045538983f41e1fc73bf79277a8
technic/machines/register/battery_box.lua
@@ -1,19 +1,48 @@
technic.battery_box_formspec =
   "invsize[8,9;]"..
   "image[1,1;1,2;technic_power_meter_bg.png]"..
   "list[current_name;src;3,1;1,1;]"..
   "image[4,1;1,1;technic_battery_reload.png]"..
   "list[current_name;dst;5,1;1,1;]"..
   "label[0,0;Battery Box]"..
   "label[3,0;Charge]"..
   "label[5,0;Discharge]"..
   "label[1,3;Power level]"..
   "list[current_player;main;0,5;8,4;]"
local S = technic.getter
technic.register_power_tool("technic:battery", 10000)
technic.register_power_tool("technic:red_energy_crystal", 50000)
technic.register_power_tool("technic:green_energy_crystal", 150000)
technic.register_power_tool("technic:blue_energy_crystal", 450000)
minetest.register_craft({
   output = 'technic:battery',
   recipe = {
      {'group:wood', 'default:copper_ingot', 'group:wood'},
      {'group:wood', 'moreores:tin_ingot',   'group:wood'},
      {'group:wood', 'default:copper_ingot', 'group:wood'},
   }
})
minetest.register_tool("technic:battery", {
   description = S("RE Battery"),
   inventory_image = "technic_battery.png",
   tool_capabilities = {
      charge = 0,
      max_drop_level = 0,
      groupcaps = {
         fleshy = {times={}, uses=10000, maxlevel=0}
      }
   }
})
function technic.register_battery_box(data)
   local tier = data.tier
   local ltier = string.lower(tier)
   local formspec =
      "invsize[8,9;]"..
      "image[1,1;1,2;technic_power_meter_bg.png]"..
      "list[current_name;src;3,1;1,1;]"..
      "image[4,1;1,1;technic_battery_reload.png]"..
      "list[current_name;dst;5,1;1,1;]"..
      "label[0,0;"..S("%s Battery Box"):format(tier).."]"..
      "label[3,0;"..S("Charge").."]"..
      "label[5,0;"..S("Discharge").."]"..
      "label[1,3;"..S("Power level").."]"..
      "list[current_player;main;0,5;8,4;]"
   for i = 0, 8 do
      local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2}
@@ -21,7 +50,7 @@
         groups.not_in_creative_inventory = 1
      end
      minetest.register_node("technic:"..ltier.."_battery_box"..i, {
         description = tier.." Battery Box",
         description = S("%s Battery Box"):format(tier),
         tiles = {"technic_"..ltier.."_battery_box_top.png",
                  "technic_"..ltier.."_battery_box_bottom.png",
             "technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
@@ -31,33 +60,24 @@
         groups = groups,
         sounds = default.node_sound_wood_defaults(),
         drop = "technic:"..ltier.."_battery_box0",
         technic = data,
         on_construct = function(pos)
            local meta = minetest.get_meta(pos)
            local inv = meta:get_inventory()
            local node = minetest.get_node(pos)
            local data = minetest.registered_nodes[node.name].technic
            meta:set_string("infotext", data.tier.." Battery Box")
            meta:set_string("formspec", battery_box_formspec)
            meta:set_int(data.tier.."_EU_demand", 0)
            meta:set_int(data.tier.."_EU_supply", 0)
            meta:set_int(data.tier.."_EU_input",  0)
            meta:set_string("infotext", S("%s Battery Box"):format(tier))
            meta:set_string("formspec", formspec)
            meta:set_int(tier.."_EU_demand", 0)
            meta:set_int(tier.."_EU_supply", 0)
            meta:set_int(tier.."_EU_input",  0)
            meta:set_float("internal_EU_charge", 0)
            inv:set_size("src", 1)
            inv:set_size("dst", 1)
         end,
         can_dig = function(pos,player)
            local meta = minetest.get_meta(pos);
            local inv = meta:get_inventory()
            if not inv:is_empty("src") or not inv:is_empty("dst") then
               minetest.chat_send_player(player:get_player_name(),
                  "Machine cannot be removed because it is not empty");
               return false
            else
               return true
            end
         end,
         can_dig = technic.machine_can_dig,
         allow_metadata_inventory_put = technic.machine_inventory_put,
         allow_metadata_inventory_take = technic.machine_inventory_take,
         allow_metadata_inventory_move = technic.machine_inventory_move,
      })
   end
@@ -71,20 +91,16 @@
      interval = 1,
      chance   = 1,
      action = function(pos, node, active_object_count, active_object_count_wider)
         local data           = minetest.registered_nodes[node.name].technic
         local meta           = minetest.get_meta(pos)
         local eu_input       = meta:get_int(data.tier.."_EU_input")
         local eu_input       = meta:get_int(tier.."_EU_input")
         local current_charge = meta:get_int("internal_EU_charge")
         local max_charge     = data.max_charge
         local charge_rate    = data.charge_rate
         local discharge_rate = data.discharge_rate
         -- Power off automatically if no longer connected to a switching station
         technic.switching_station_timeout_count(pos, data.tier)
         technic.switching_station_timeout_count(pos, tier)
         -- Charge/discharge the battery with the input EUs
         if eu_input >= 0 then
            current_charge = math.min(current_charge + eu_input, max_charge)
            current_charge = math.min(current_charge + eu_input, data.max_charge)
         else
            current_charge = math.max(current_charge + eu_input, 0)
         end
@@ -93,36 +109,38 @@
         current_charge = technic.charge_tools(meta,
               current_charge, data.charge_step)
         current_charge = technic.discharge_tools(meta,
               current_charge, data.discharge_step, max_charge)
               current_charge, data.discharge_step,
               data.max_charge)
         -- We allow batteries to charge on less than the demand
         meta:set_int(data.tier.."_EU_demand",
               math.min(charge_rate, max_charge - current_charge))
         meta:set_int(data.tier.."_EU_supply",
               math.min(discharge_rate, current_charge))
         meta:set_int(tier.."_EU_demand",
               math.min(data.charge_rate, data.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 / max_charge) * 8)
         local charge_count = math.ceil((current_charge / data.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")
         if charge_count ~= last_count then
            hacky_swap_node(pos,"technic:"..string.lower(data.tier).."_battery_box"..charge_count)
            technic.swap_node(pos,"technic:"..ltier.."_battery_box"..charge_count)
            meta:set_float("last_side_shown", charge_count)
         end
         local charge_percent = math.floor(current_charge / max_charge * 100)
         local charge_percent = math.floor(current_charge / data.max_charge * 100)
         meta:set_string("formspec",
            technic.battery_box_formspec..
            "image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"
            ..charge_percent..":technic_power_meter_fg.png]")
            formspec..
            "image[1,1;1,2;technic_power_meter_bg.png"
            .."^[lowpart:"..charge_percent
            ..":technic_power_meter_fg.png]")
         local infotext = data.tier.." battery box: "
               ..current_charge.."/"..max_charge
         local infotext = S("%s Battery Box: %d/%d"):format(tier,
               current_charge, data.max_charge)
         if eu_input == 0 then
            infotext = infotext.." (idle)"
            infotext = S("%s Idle"):format(infotext)
         end
         meta:set_string("infotext", infotext)
      end
@@ -137,80 +155,73 @@
end -- End registration
function technic.charge_tools(meta, charge, charge_step)
   --charge registered power tools
function technic.charge_tools(meta, batt_charge, charge_step)
   local inv = meta:get_inventory()
   if not inv:is_empty("src") then
      local srcstack = inv:get_stack("src", 1)
      local src_item = srcstack:to_table()
      local src_meta = get_item_meta(src_item["metadata"])
      local toolname = src_item["name"]
      if technic.power_tools[toolname] ~= nil then
         -- Set meta data for the tool if it didn't do it itself :-(
         src_meta = get_item_meta(src_item["metadata"])
         src_meta = src_meta or {}
         if src_meta["charge"] == nil then
            src_meta["charge"] = 0
         end
         -- Do the charging
         local item_max_charge = technic.power_tools[toolname]
         local tool_charge     = src_meta["charge"]
         if tool_charge < item_max_charge and charge > 0 then
            if charge - charge_step < 0 then
               charge_step = charge
            end
            if tool_charge + charge_step > item_max_charge then
               charge_step = item_max_charge - tool_charge
            end
            tool_charge = tool_charge + charge_step
            charge = charge - charge_step
            technic.set_RE_wear(src_item, tool_charge, item_max_charge)
            src_meta["charge"]   = tool_charge
            src_item["metadata"] = set_item_meta(src_meta)
            inv:set_stack("src", 1, src_item)
         end
      end
   if inv:is_empty("src") then
      return batt_charge
   end
   return charge -- return the remaining charge in the battery
   local srcstack = inv:get_stack("src", 1)
   local src_meta = minetest.deserialize(srcstack:get_metadata())
   local toolname = srcstack:get_name()
   if not technic.power_tools[toolname] then
      return batt_charge
   end
   -- Set meta data for the tool if it didn't do it itself
   src_meta = minetest.deserialize(srcstack:get_metadata())
   src_meta = src_meta or {}
   if not src_meta.charge then
      src_meta.charge = 0
   end
   -- 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
      return batt_charge
   end
   charge_step = math.min(charge_step, batt_charge)
   charge_step = math.min(charge_step, item_max_charge - tool_charge)
   tool_charge = tool_charge + charge_step
   batt_charge = batt_charge - charge_step
   technic.set_RE_wear(srcstack, tool_charge, item_max_charge)
   src_meta.charge = tool_charge
   srcstack:set_metadata(minetest.serialize(src_meta))
   inv:set_stack("src", 1, srcstack)
   return batt_charge
end
function technic.discharge_tools(meta, charge, charge_step, max_charge)
   -- discharging registered power tools
function technic.discharge_tools(meta, batt_charge, charge_step, max_charge)
   local inv = meta:get_inventory()
   if not inv:is_empty("dst") then
      srcstack = inv:get_stack("dst", 1)
      src_item = srcstack:to_table()
      local src_meta = get_item_meta(src_item["metadata"])
      local toolname = src_item["name"]
      if technic.power_tools[toolname] ~= nil then
         -- Set meta data for the tool if it didn't do it itself :-(
         src_meta = get_item_meta(src_item["metadata"])
         src_meta = src_meta or {}
         if src_meta["charge"] == nil then
            src_meta["charge"] = 0
         end
         -- Do the discharging
         local item_max_charge = technic.power_tools[toolname]
         local tool_charge     = src_meta["charge"]
         if tool_charge > 0 and charge < max_charge then
            if charge + charge_step > max_charge then
               charge_step = max_charge - charge
            end
            if tool_charge - charge_step < 0 then
               charge_step = charge
            end
            tool_charge = tool_charge - charge_step
            charge = charge + charge_step
            technic.set_RE_wear(src_item, tool_charge, item_max_charge)
            src_meta["charge"] = tool_charge
            src_item["metadata"] = set_item_meta(src_meta)
            inv:set_stack("dst", 1, src_item)
         end
      end
   if inv:is_empty("dst") then
      return batt_charge
   end
   return charge -- return the remaining charge in the battery
   srcstack = inv:get_stack("dst", 1)
   local toolname = srcstack:get_name()
   if technic.power_tools[toolname] == nil then
      return batt_charge
   end
   -- Set meta data for the tool if it didn't do it itself :-(
   local src_meta = minetest.deserialize(srcstack:get_metadata())
   src_meta = src_meta or {}
   if not src_meta.charge then
      src_meta.charge = 0
   end
   -- 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
      return batt_charge
   end
   charge_step = math.min(charge_step, max_charge - batt_charge)
   charge_step = math.min(charge_step, tool_charge)
   tool_charge = tool_charge - charge_step
   batt_charge = batt_charge + charge_step
   technic.set_RE_wear(srcstack, tool_charge, item_max_charge)
   src_meta.charge = tool_charge
   srcstack:set_metadata(minetest.serialize(src_meta))
   inv:set_stack("dst", 1, srcstack)
   return batt_charge
end