-- The power radiator fuctions like an inductive charger
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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.
|
|
local power_radius = 12
|
|
------------------------------------------------------------------
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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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-- Register a new appliance using this function
|
|
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
|
|
-- 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)
|
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
|
|
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
|
hacky_swap_node(pos, swapnode)
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meta:set_int("active", 1)
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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
|
|
technic.inductive_on_punch_on = function(pos, eu_charge, swapnode)
|
local meta = minetest.get_meta(pos)
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hacky_swap_node(pos, swapnode)
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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"))
|
--print("<---------->")
|
end
|
|
local shutdown_inductive_appliances = function(pos)
|
-- The supply radius
|
local rad = power_radius
|
-- If the radiator is removed. turn off all appliances in region
|
-- If another radiator is near it will turn on the appliances again
|
local positions = minetest.find_nodes_in_area(
|
{x=pos.x-rad, y=pos.y-rad, z=pos.z-rad},
|
{x=pos.x+rad, y=pos.y+rad, z=pos.z+rad},
|
technic.inductive_nodes)
|
for _, pos1 in pairs(positions) do
|
local meta1 = minetest.get_meta(pos1)
|
-- If the appliance is belonging to this node
|
if meta1:get_string("has_supply") == pos.x..pos.y..pos.z then
|
local nodename = minetest.get_node(pos1).name
|
-- Swap the node and make sure it is off and unpowered
|
if string.sub(nodename, -7) == "_active" then
|
hacky_swap_node(pos1, string.sub(nodename, 1, -8))
|
meta1:set_int("active", 0)
|
meta1:set_int("EU_charge", 0)
|
end
|
meta1:set_string("has_supply", "")
|
end
|
end
|
end
|
|
local toggle_on_off_inductive_appliances = function(pos, node, puncher)
|
if pos == nil then return end
|
-- The supply radius
|
local rad = power_radius
|
local positions = minetest.find_nodes_in_area(
|
{x=pos.x-rad, y=pos.y-rad, z=pos.z-rad},
|
{x=pos.x+rad, y=pos.y+rad, z=pos.z+rad},
|
technic.inductive_nodes)
|
for _, pos1 in pairs(positions) do
|
local meta1 = minetest.get_meta(pos1)
|
if meta1:get_string("has_supply") == pos.x..pos.y..pos.z then
|
minetest.punch_node(pos1)
|
end
|
end
|
end
|
|
minetest.register_node("technic:power_radiator", {
|
description = "Power Radiator",
|
tiles = {"technic_lv_cable.png", "technic_lv_cable.png", "technic_lv_cable.png",
|
"technic_lv_cable.png", "technic_lv_cable.png", "technic_lv_cable.png"},
|
groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2},
|
sounds = default.node_sound_wood_defaults(),
|
drawtype = "nodebox",
|
paramtype = "light",
|
is_ground_content = true,
|
node_box = {
|
type = "fixed",
|
fixed = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
|
},
|
on_construct = function(pos)
|
local meta = minetest.get_meta(pos)
|
meta:set_int("MV_EU_demand",1) -- Demand on the primary side when idle
|
meta:set_int("connected_EU_demand",0) -- Potential demand of connected appliances
|
meta:set_string("infotext", "Power Radiator")
|
end,
|
on_dig = function(pos, node, digger)
|
shutdown_inductive_appliances(pos)
|
return minetest.node_dig(pos, node, digger)
|
end,
|
on_punch = function(pos, node, puncher)
|
toggle_on_off_inductive_appliances(pos, node, puncher)
|
end
|
})
|
|
minetest.register_craft({
|
output = 'technic:power_radiator 1',
|
recipe = {
|
{'technic:stainless_steel_ingot', 'technic:stainless_steel_ingot', 'technic:stainless_steel_ingot'},
|
{'technic:copper_coil', 'technic:mv_transformer', 'technic:copper_coil'},
|
{'technic:rubber', 'technic:mv_cable0', 'technic:rubber'},
|
}
|
})
|
|
minetest.register_abm({
|
nodenames = {"technic:power_radiator"},
|
interval = 1,
|
chance = 1,
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
local meta = minetest.env:get_meta(pos)
|
local eu_input = meta:get_int("MV_EU_input")
|
local eu_demand = meta:get_int("MV_EU_demand")
|
|
-- Power off automatically if no longer connected to a switching station
|
technic.switching_station_timeout_count(pos, "MV")
|
|
if eu_input == 0 then
|
-- No power
|
meta:set_string("infotext", "Power Radiator is unpowered");
|
-- meta:set_int("active", 1) -- used for setting textures someday maybe
|
shutdown_inductive_appliances(pos)
|
meta:set_int("connected_EU_demand", 0)
|
meta:set_int("MV_EU_demand",1)
|
elseif eu_input == eu_demand then
|
-- Powered and ready
|
|
-- The maximum EU sourcing a single radiator can provide.
|
local max_charge = 30000 -- == the max EU demand of the radiator
|
local connected_EU_demand = meta:get_int("connected_EU_demand")
|
|
-- Efficiency factor
|
local eff_factor = 0.06
|
-- The supply radius
|
local rad = power_radius
|
|
local meta1 = nil
|
local pos1 = {}
|
local used_charge = 0
|
|
-- Index all nodes within supply range
|
local positions = minetest.find_nodes_in_area(
|
{x=pos.x-rad, y=pos.y-rad, z=pos.z-rad},
|
{x=pos.x+rad, y=pos.y+rad, z=pos.z+rad},
|
technic.inductive_nodes)
|
for _, pos1 in pairs(positions) do
|
local meta1 = minetest.get_meta(pos1)
|
-- If not supplied see if this node can handle it.
|
if meta1:get_string("has_supply") == "" then
|
-- if demand surpasses the capacity of this node, don't bother adding it.
|
local app_eu_demand = math.floor(meta1:get_int("EU_demand") / eff_factor)
|
if connected_EU_demand + app_eu_demand <= max_charge then
|
-- We can power the appliance. Register, and spend power if it is on.
|
connected_EU_demand = connected_EU_demand + app_eu_demand
|
|
meta1:set_string("has_supply", pos.x..pos.y..pos.z)
|
--Always 0: used_charge = math.floor(used_charge + meta1:get_int("EU_charge") / eff_factor)
|
end
|
elseif meta1:get_string("has_supply") == pos.x..pos.y..pos.z then
|
-- The appliance has power from this node. Spend power if it is on.
|
used_charge = used_charge + math.floor(meta1:get_int("EU_charge") / eff_factor)
|
end
|
meta:set_string("infotext", "Power Radiator is powered ("
|
..math.floor(used_charge / max_charge * 100)
|
.."% of maximum power)");
|
if used_charge == 0 then
|
meta:set_int("MV_EU_demand", 1) -- Still idle
|
else
|
meta:set_int("MV_EU_demand", used_charge)
|
end
|
end
|
-- Save state
|
meta:set_int("connected_EU_demand", connected_EU_demand)
|
end
|
end,
|
})
|
|
technic.register_machine("MV", "technic:power_radiator", technic.receiver)
|
