commit | author | age
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ee0765
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-- The power radiator fuctions like an inductive charger |
S |
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-- only better in the game setting. |
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-- The purpose is to allow small appliances to receive power |
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-- without the overhead of the wiring needed for larger machines. |
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-- |
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-- The power radiator will consume power corresponding to the |
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-- sum(power rating of the attached appliances)/0.06 |
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-- Using inductive power transfer is very inefficient so this is |
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-- set to the factor 0.06. |
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-- |
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-- Punching the radiator will toggle the power state of all attached appliances. |
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local power_radius = 12 |
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83c649
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minetest.register_craft({ |
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output = 'technic:power_radiator 1', |
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recipe = { |
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{'technic:stainless_steel_ingot', 'technic:mv_transformer', 'technic:stainless_steel_ingot'}, |
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{'technic:copper_coil', 'technic:machine_casing', 'technic:copper_coil'}, |
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{'technic:rubber', 'technic:mv_cable', 'technic:rubber'}, |
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} |
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}) |
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ee0765
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------------------------------------------------------------------ |
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-- API for inductive powered nodes: |
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-- Use the functions below to set the corresponding callbacks |
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-- Also two nodes are needed: The inactive and the active one. The active must be called <name>_active . |
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------------------------------------------------------------------ |
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-- Register a new appliance using this function |
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technic.inductive_nodes = {} |
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technic.register_inductive_machine = function(name) |
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table.insert(technic.inductive_nodes, name) |
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table.insert(technic.inductive_nodes, name.."_active") |
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end |
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-- Appliances: |
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-- has_supply: pos of supply node if the appliance has a power radiator near with sufficient power for the demand else "" |
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-- EU_demand: The power demand of the device. |
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-- EU_charge: Actual use. set to EU_demand if active==1 |
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-- active: set to 1 if the device is on |
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technic.inductive_on_construct = function(pos, eu_demand, infotext) |
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local meta = minetest.get_meta(pos) |
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meta:set_string("infotext", infotext) |
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meta:set_int("technic_inductive_power_machine", 1) |
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meta:set_int("EU_demand", eu_demand) -- The power demand of this appliance |
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meta:set_int("EU_charge", 0) -- The actual power draw of this appliance |
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meta:set_string("has_supply", "") -- Register whether we are powered or not. For use with several radiators. |
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meta:set_int("active", 0) -- If the appliance can be turned on and off by using it use this. |
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end |
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technic.inductive_on_punch_off = function(pos, eu_charge, swapnode) |
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local meta = minetest.get_meta(pos) |
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if meta:get_string("has_supply") ~= "" then |
f3d8b4
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technic.swap_node(pos, swapnode) |
ee0765
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meta:set_int("active", 1) |
S |
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meta:set_int("EU_charge",eu_charge) |
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--print("-----------") |
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--print("Turn on:") |
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--print("EU_charge: "..meta:get_int("EU_charge")) |
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--print("has_supply: "..meta:get_string("has_supply")) |
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--print("<----------->") |
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end |
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end |
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technic.inductive_on_punch_on = function(pos, eu_charge, swapnode) |
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local meta = minetest.get_meta(pos) |
f3d8b4
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technic.swap_node(pos, swapnode) |
ee0765
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meta:set_int("active", 0) |
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meta:set_int("EU_charge",eu_charge) |
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--print("-----------") |
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--print("Turn off:") |
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--print("EU_charge: "..meta:get_int("EU_charge")) |
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--print("has_supply: "..meta:get_string("has_supply")) |
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--print("<---------->") |
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end |
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local shutdown_inductive_appliances = function(pos) |
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-- The supply radius |
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local rad = power_radius |
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-- If the radiator is removed. turn off all appliances in region |
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-- If another radiator is near it will turn on the appliances again |
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local positions = minetest.find_nodes_in_area( |
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{x=pos.x-rad, y=pos.y-rad, z=pos.z-rad}, |
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{x=pos.x+rad, y=pos.y+rad, z=pos.z+rad}, |
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technic.inductive_nodes) |
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for _, pos1 in pairs(positions) do |
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local meta1 = minetest.get_meta(pos1) |
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-- If the appliance is belonging to this node |
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if meta1:get_string("has_supply") == pos.x..pos.y..pos.z then |
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local nodename = minetest.get_node(pos1).name |
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-- Swap the node and make sure it is off and unpowered |
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if string.sub(nodename, -7) == "_active" then |
f3d8b4
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technic.swap_node(pos1, string.sub(nodename, 1, -8)) |
ee0765
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meta1:set_int("active", 0) |
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meta1:set_int("EU_charge", 0) |
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end |
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meta1:set_string("has_supply", "") |
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end |
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end |
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end |
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local toggle_on_off_inductive_appliances = function(pos, node, puncher) |
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if pos == nil then return end |
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-- The supply radius |
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local rad = power_radius |
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local positions = minetest.find_nodes_in_area( |
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{x=pos.x-rad, y=pos.y-rad, z=pos.z-rad}, |
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{x=pos.x+rad, y=pos.y+rad, z=pos.z+rad}, |
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technic.inductive_nodes) |
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for _, pos1 in pairs(positions) do |
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local meta1 = minetest.get_meta(pos1) |
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if meta1:get_string("has_supply") == pos.x..pos.y..pos.z then |
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minetest.punch_node(pos1) |
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end |
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end |
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end |
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minetest.register_node("technic:power_radiator", { |
7c4b70
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description = "MV Power Radiator", |
ee0765
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tiles = {"technic_lv_cable.png", "technic_lv_cable.png", "technic_lv_cable.png", |
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"technic_lv_cable.png", "technic_lv_cable.png", "technic_lv_cable.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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drawtype = "nodebox", |
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paramtype = "light", |
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is_ground_content = true, |
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node_box = { |
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type = "fixed", |
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fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5}, |
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}, |
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on_construct = function(pos) |
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local meta = minetest.get_meta(pos) |
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meta:set_int("MV_EU_demand",1) -- Demand on the primary side when idle |
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meta:set_int("connected_EU_demand",0) -- Potential demand of connected appliances |
7c4b70
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meta:set_string("infotext", "MV Power Radiator") |
ee0765
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end, |
S |
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on_dig = function(pos, node, digger) |
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shutdown_inductive_appliances(pos) |
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return minetest.node_dig(pos, node, digger) |
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end, |
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on_punch = function(pos, node, puncher) |
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toggle_on_off_inductive_appliances(pos, node, puncher) |
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end |
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}) |
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minetest.register_abm({ |
78f16c
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label = "Machines: run power radiator", |
ee0765
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nodenames = {"technic:power_radiator"}, |
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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) |
a41390
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local meta = minetest.get_meta(pos) |
ee0765
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local eu_input = meta:get_int("MV_EU_input") |
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local eu_demand = meta:get_int("MV_EU_demand") |
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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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if eu_input == 0 then |
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-- No power |
7c4b70
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meta:set_string("infotext", "MV Power Radiator is unpowered"); |
ee0765
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-- meta:set_int("active", 1) -- used for setting textures someday maybe |
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shutdown_inductive_appliances(pos) |
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meta:set_int("connected_EU_demand", 0) |
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meta:set_int("MV_EU_demand",1) |
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elseif eu_input == eu_demand then |
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-- Powered and ready |
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-- The maximum EU sourcing a single radiator can provide. |
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local max_charge = 30000 -- == the max EU demand of the radiator |
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local connected_EU_demand = meta:get_int("connected_EU_demand") |
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-- Efficiency factor |
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local eff_factor = 0.06 |
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-- The supply radius |
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local rad = power_radius |
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local used_charge = 0 |
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-- Index all nodes within supply range |
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local positions = minetest.find_nodes_in_area( |
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{x=pos.x-rad, y=pos.y-rad, z=pos.z-rad}, |
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{x=pos.x+rad, y=pos.y+rad, z=pos.z+rad}, |
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technic.inductive_nodes) |
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for _, pos1 in pairs(positions) do |
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local meta1 = minetest.get_meta(pos1) |
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-- If not supplied see if this node can handle it. |
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if meta1:get_string("has_supply") == "" then |
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-- if demand surpasses the capacity of this node, don't bother adding it. |
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local app_eu_demand = math.floor(meta1:get_int("EU_demand") / eff_factor) |
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if connected_EU_demand + app_eu_demand <= max_charge then |
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-- We can power the appliance. Register, and spend power if it is on. |
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connected_EU_demand = connected_EU_demand + app_eu_demand |
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meta1:set_string("has_supply", pos.x..pos.y..pos.z) |
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--Always 0: used_charge = math.floor(used_charge + meta1:get_int("EU_charge") / eff_factor) |
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end |
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elseif meta1:get_string("has_supply") == pos.x..pos.y..pos.z then |
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-- The appliance has power from this node. Spend power if it is on. |
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used_charge = used_charge + math.floor(meta1:get_int("EU_charge") / eff_factor) |
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end |
7c4b70
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meta:set_string("infotext", "MV Power Radiator is powered (" |
ee0765
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..math.floor(used_charge / max_charge * 100) |
S |
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.."% of maximum power)"); |
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if used_charge == 0 then |
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meta:set_int("MV_EU_demand", 1) -- Still idle |
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else |
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meta:set_int("MV_EU_demand", used_charge) |
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end |
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end |
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-- Save state |
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meta:set_int("connected_EU_demand", connected_EU_demand) |
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end |
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end, |
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}) |
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technic.register_machine("MV", "technic:power_radiator", technic.receiver) |
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