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local S = technic.getter
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function technic.register_battery_box(data)
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local tier = data.tier
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local ltier = string.lower(tier)
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data.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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"image[4,1;1,1;technic_battery_reload.png]"..
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"list[current_name;dst;5,1;1,1;]"..
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"label[0,0;"..S("%s Battery Box"):format(tier).."]"..
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"label[3,0;"..S("Charge").."]"..
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"label[5,0;"..S("Discharge").."]"..
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"label[1,3;"..S("Power level").."]"..
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"list[current_player;main;0,5;8,4;]"
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for i = 0, 8 do
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local groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2}
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if i ~= 0 then
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groups.not_in_creative_inventory = 1
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end
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minetest.register_node("technic:"..ltier.."_battery_box"..i, {
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description = S("%s Battery Box"):format(tier),
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tiles = {"technic_"..ltier.."_battery_box_top.png",
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"technic_"..ltier.."_battery_box_bottom.png",
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"technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
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"technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
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"technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png",
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"technic_"..ltier.."_battery_box_side.png^technic_power_meter"..i..".png"},
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groups = groups,
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sounds = default.node_sound_wood_defaults(),
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drop = "technic:"..ltier.."_battery_box0",
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technic = data,
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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local node = minetest.get_node(pos)
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local data = minetest.registered_nodes[node.name].technic
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meta:set_string("infotext", S("%s Battery Box"):format(data.tier))
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meta:set_string("formspec", data.formspec)
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meta:set_int(data.tier.."_EU_demand", 0)
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meta:set_int(data.tier.."_EU_supply", 0)
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meta:set_int(data.tier.."_EU_input", 0)
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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.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(),
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S("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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nodenames = {"technic:"..ltier.."_battery_box0", "technic:"..ltier.."_battery_box1",
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"technic:"..ltier.."_battery_box2", "technic:"..ltier.."_battery_box3",
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"technic:"..ltier.."_battery_box4", "technic:"..ltier.."_battery_box5",
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"technic:"..ltier.."_battery_box6", "technic:"..ltier.."_battery_box7",
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"technic:"..ltier.."_battery_box8"},
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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 data = minetest.registered_nodes[node.name].technic
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local meta = minetest.get_meta(pos)
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local eu_input = meta:get_int(data.tier.."_EU_input")
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local current_charge = meta:get_int("internal_EU_charge")
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local max_charge = data.max_charge
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local charge_rate = data.charge_rate
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local discharge_rate = data.discharge_rate
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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, data.tier)
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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 = technic.charge_tools(meta,
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current_charge, data.charge_step)
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current_charge = technic.discharge_tools(meta,
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current_charge, data.discharge_step, max_charge)
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-- We allow batteries to charge on less than the demand
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meta:set_int(data.tier.."_EU_demand",
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math.min(charge_rate, max_charge - current_charge))
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meta:set_int(data.tier.."_EU_supply",
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math.min(discharge_rate, current_charge))
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meta:set_int("internal_EU_charge", current_charge)
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-- Select node textures
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local charge_count = math.ceil((current_charge / max_charge) * 8)
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charge_count = math.min(charge_count, 8)
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charge_count = math.max(charge_count, 0)
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local last_count = meta:get_float("last_side_shown")
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if charge_count ~= last_count then
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hacky_swap_node(pos,"technic:"..string.lower(data.tier).."_battery_box"..charge_count)
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meta:set_float("last_side_shown", charge_count)
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end
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local charge_percent = math.floor(current_charge / max_charge * 100)
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meta:set_string("formspec",
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data.formspec..
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"image[1,1;1,2;technic_power_meter_bg.png"
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.."^[lowpart:"..charge_percent
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..":technic_power_meter_fg.png]")
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local infotext = S("%s Battery Box: %d/%d"):format(data.tier, current_charge, max_charge)
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if eu_input == 0 then
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infotext = S("%s Idle"):format(infotext)
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end
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meta:set_string("infotext", infotext)
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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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for i = 0, 8 do
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technic.register_machine(tier, "technic:"..ltier.."_battery_box"..i, technic.battery)
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end
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end -- End registration
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function technic.charge_tools(meta, batt_charge, charge_step)
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local inv = meta:get_inventory()
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if inv:is_empty("src") then
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return batt_charge
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end
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local srcstack = inv:get_stack("src", 1)
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local src_meta = get_item_meta(srcstack:get_metadata())
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local toolname = srcstack:get_name()
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if not technic.power_tools[toolname] then
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return batt_charge
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end
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-- Set meta data for the tool if it didn't do it itself
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src_meta = get_item_meta(srcstack:get_metadata())
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src_meta = src_meta or {}
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if not src_meta.charge then
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src_meta.charge = 0
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end
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-- Do the charging
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local item_max_charge = technic.power_tools[toolname]
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local tool_charge = src_meta.charge
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if tool_charge >= item_max_charge or batt_charge <= 0 then
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return batt_charge
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end
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charge_step = math.min(charge_step, batt_charge)
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charge_step = math.min(charge_step, item_max_charge - tool_charge)
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tool_charge = tool_charge + charge_step
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batt_charge = batt_charge - charge_step
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technic.set_RE_wear(srcstack, tool_charge, item_max_charge)
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src_meta.charge = tool_charge
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srcstack:set_metadata(set_item_meta(src_meta))
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inv:set_stack("src", 1, srcstack)
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return batt_charge
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end
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function technic.discharge_tools(meta, batt_charge, charge_step, max_charge)
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local inv = meta:get_inventory()
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if inv:is_empty("dst") then
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return batt_charge
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end
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srcstack = inv:get_stack("dst", 1)
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local toolname = srcstack:get_name()
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if technic.power_tools[toolname] == nil then
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return batt_charge
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end
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-- Set meta data for the tool if it didn't do it itself :-(
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local src_meta = get_item_meta(srcstack:get_metadata())
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src_meta = src_meta or {}
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if not src_meta.charge then
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src_meta.charge = 0
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end
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-- Do the discharging
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local item_max_charge = technic.power_tools[toolname]
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local tool_charge = src_meta.charge
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if tool_charge <= 0 or batt_charge >= max_charge then
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return batt_charge
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end
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charge_step = math.min(charge_step, max_charge - batt_charge)
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charge_step = math.min(charge_step, tool_charge)
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tool_charge = tool_charge - charge_step
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batt_charge = batt_charge + charge_step
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technic.set_RE_wear(srcstack, tool_charge, item_max_charge)
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src_meta.charge = tool_charge
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srcstack:set_metadata(set_item_meta(src_meta))
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inv:set_stack("dst", 1, srcstack)
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return batt_charge
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end
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