-- MV Battery box
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minetest.register_craft(
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{output = 'technic:mv_battery_box 1',
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recipe = {
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{'technic:battery_box', 'technic:battery_box', 'technic:battery_box'},
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{'technic:battery_box', 'technic:mv_transformer', 'technic:battery_box'},
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{'', 'technic:mv_cable', ''},
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}
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})
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local battery_box_formspec =
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"invsize[8,9;]"..
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"image[1,1;1,2;technic_power_meter_bg.png]"..
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"list[current_name;src;3,1;1,1;]"..
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"list[current_name;dst;5,1;1,1;]"..
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"label[0,0;MV Battery Box]"..
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"label[3,0;Charge]"..
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"label[5,0;Discharge]"..
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"label[1,3;Power level]"..
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"list[current_player;main;0,5;8,4;]"..
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"background[-0.19,-0.25;8.4,9.75;ui_form_bg.png]"..
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"background[0,0;8,4;ui_mv_battery_box.png]"..
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"background[0,5;8,4;ui_main_inventory.png]"
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minetest.register_node(
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"technic:mv_battery_box", {
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description = "MV Battery Box",
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tiles = {"technic_mv_battery_box_top.png", "technic_mv_battery_box_bottom.png", "technic_mv_battery_box_side0.png",
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"technic_mv_battery_box_side0.png", "technic_mv_battery_box_side0.png", "technic_mv_battery_box_side0.png"},
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groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2},
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sounds = default.node_sound_wood_defaults(),
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drop = "technic:mv_battery_box",
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on_construct = function(pos)
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if pos==nil then return end
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local meta = minetest.env:get_meta(pos);
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local inv = meta:get_inventory()
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meta:set_string("infotext", "MV Battery box")
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meta:set_float("technic_mv_power_machine", 1)
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meta:set_string("formspec", battery_box_formspec)
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meta:set_int("MV_EU_demand", 0) -- How much can this node charge
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meta:set_int("MV_EU_supply", 0) -- How much can this node discharge
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meta:set_int("MV_EU_input", 0) -- How much power is this machine getting.
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meta:set_float("internal_EU_charge", 0)
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inv:set_size("src", 1)
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inv:set_size("dst", 1)
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end,
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can_dig = function(pos,player)
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local meta = minetest.env:get_meta(pos);
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local inv = meta:get_inventory()
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if not inv:is_empty("src") or not inv:is_empty("dst") then
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minetest.chat_send_player(player:get_player_name(), "Machine cannot be removed because it is not empty");
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return false
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else
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return true
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end
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end,
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})
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for i=1,8,1 do
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minetest.register_node(
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"technic:mv_battery_box"..i,
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{
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description = "MV Battery Box",
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tiles = {"technic_mv_battery_box_top.png", "technic_mv_battery_box_bottom.png", "technic_mv_battery_box_side0.png^technic_power_meter"..i..".png",
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"technic_mv_battery_box_side0.png^technic_power_meter"..i..".png", "technic_mv_battery_box_side0.png^technic_power_meter"..i..".png", "technic_mv_battery_box_side0.png^technic_power_meter"..i..".png"},
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groups = {snappy=2,choppy=2,oddly_breakable_by_hand=2,not_in_creative_inventory=1},
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sounds = default.node_sound_wood_defaults(),
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drop = "technic:mv_battery_box",
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can_dig = function(pos,player)
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local meta = minetest.env:get_meta(pos);
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local inv = meta:get_inventory()
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if not inv:is_empty("src") or not inv:is_empty("dst") then
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minetest.chat_send_player(player:get_player_name(), "Machine cannot be removed because it is not empty");
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return false
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else
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return true
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end
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end,
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})
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end
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minetest.register_abm(
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{
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nodenames = {"technic:mv_battery_box","technic:mv_battery_box1","technic:mv_battery_box2","technic:mv_battery_box3","technic:mv_battery_box4",
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"technic:mv_battery_box5","technic:mv_battery_box6","technic:mv_battery_box7","technic:mv_battery_box8"
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},
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interval = 1,
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chance = 1,
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action = function(pos, node, active_object_count, active_object_count_wider)
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local meta = minetest.env:get_meta(pos)
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local max_charge = 300000 -- Set maximum charge for the device here
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local max_charge_rate = 2000 -- Set maximum rate of charging (4000)
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local max_discharge_rate = 3000 -- Set maximum rate of discharging
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local eu_input = meta:get_int("MV_EU_input")
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local current_charge = meta:get_int("internal_EU_charge") -- Battery charge right now
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-- Power off automatically if no longer connected to a switching station
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technic.switching_station_timeout_count(pos, "MV")
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-- Charge/discharge the battery with the input EUs
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if eu_input >=0 then
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current_charge = math.min(current_charge+eu_input, max_charge)
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else
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current_charge = math.max(current_charge+eu_input, 0)
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end
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-- Charging/discharging tools here
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current_charge = charge_tools(meta, current_charge, 4000)
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current_charge = discharge_tools(meta, current_charge, max_charge, 4000)
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-- Set a demand (we allow batteries to charge on less than the demand though)
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meta:set_int("MV_EU_demand", math.min(max_charge_rate, max_charge-current_charge))
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-- Set how much we can supply
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meta:set_int("MV_EU_supply", math.min(max_discharge_rate, current_charge))
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meta:set_int("internal_EU_charge", current_charge)
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--dprint("BA: input:"..eu_input.." supply="..meta:get_int("MV_EU_supply").." demand="..meta:get_int("MV_EU_demand").." current:"..current_charge)
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-- Select node textures
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local i=math.ceil((current_charge/max_charge)*8)
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if i > 8 then i = 8 end
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local j = meta:get_float("last_side_shown")
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if i~=j then
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if i>0 then hacky_swap_node(pos,"technic:mv_battery_box"..i)
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elseif i==0 then hacky_swap_node(pos,"technic:mv_battery_box") end
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meta:set_float("last_side_shown",i)
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end
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local load = math.floor(current_charge/max_charge * 100)
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meta:set_string("formspec",
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battery_box_formspec..
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"image[1,1;1,2;technic_power_meter_bg.png^[lowpart:"..
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(load)..":technic_power_meter_fg.png]"
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)
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if eu_input == 0 then
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meta:set_string("infotext", "MV Battery box: "..current_charge.."/"..max_charge.." (idle)")
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else
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meta:set_string("infotext", "MV Battery box: "..current_charge.."/"..max_charge)
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end
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end
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})
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-- Register as a battery type
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-- Battery type machines function as power reservoirs and can both receive and give back power
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technic.register_MV_machine("technic:mv_battery_box","BA")
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for i=1,8,1 do
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technic.register_MV_machine("technic:mv_battery_box"..i,"BA")
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end
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