diff options
Diffstat (limited to 'technic/technic/machines/MV/power_radiator.lua')
| -rw-r--r-- | technic/technic/machines/MV/power_radiator.lua | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/technic/technic/machines/MV/power_radiator.lua b/technic/technic/machines/MV/power_radiator.lua new file mode 100644 index 0000000..560f8a9 --- /dev/null +++ b/technic/technic/machines/MV/power_radiator.lua @@ -0,0 +1,220 @@ +-- The power radiator fuctions like an inductive charger +-- only better in the game setting. +-- The purpose is to allow small appliances to receive power +-- without the overhead of the wiring needed for larger machines. +-- +-- The power radiator will consume power corresponding to the +-- sum(power rating of the attached appliances)/0.06 +-- Using inductive power transfer is very inefficient so this is +-- set to the factor 0.06. +-- +-- Punching the radiator will toggle the power state of all attached appliances. + +local power_radius = 12 + +------------------------------------------------------------------ +-- API for inductive powered nodes: +-- Use the functions below to set the corresponding callbacks +-- Also two nodes are needed: The inactive and the active one. The active must be called <name>_active . +------------------------------------------------------------------ +-- Register a new appliance using this function + +technic.inductive_nodes = {} +technic.register_inductive_machine = function(name) + table.insert(technic.inductive_nodes, name) + table.insert(technic.inductive_nodes, name.."_active") +end + +-- Appliances: +-- has_supply: pos of supply node if the appliance has a power radiator near with sufficient power for the demand else "" +-- EU_demand: The power demand of the device. +-- EU_charge: Actual use. set to EU_demand if active==1 +-- active: set to 1 if the device is on +technic.inductive_on_construct = function(pos, eu_demand, infotext) + local meta = minetest.get_meta(pos) + meta:set_string("infotext", infotext) + meta:set_int("technic_inductive_power_machine", 1) + meta:set_int("EU_demand", eu_demand) -- The power demand of this appliance + meta:set_int("EU_charge", 0) -- The actual power draw of this appliance + meta:set_string("has_supply", "") -- Register whether we are powered or not. For use with several radiators. + meta:set_int("active", 0) -- If the appliance can be turned on and off by using it use this. +end + +technic.inductive_on_punch_off = function(pos, eu_charge, swapnode) + local meta = minetest.get_meta(pos) + if meta:get_string("has_supply") ~= "" then + technic.swap_node(pos, swapnode) + meta:set_int("active", 1) + meta:set_int("EU_charge",eu_charge) + --print("-----------") + --print("Turn on:") + --print("EU_charge: "..meta:get_int("EU_charge")) + --print("has_supply: "..meta:get_string("has_supply")) + --print("<----------->") + end +end + +technic.inductive_on_punch_on = function(pos, eu_charge, swapnode) + local meta = minetest.get_meta(pos) + technic.swap_node(pos, swapnode) + meta:set_int("active", 0) + meta:set_int("EU_charge",eu_charge) + --print("-----------") + --print("Turn off:") + --print("EU_charge: "..meta:get_int("EU_charge")) + --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 + technic.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 = "MV 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", "MV 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:mv_transformer', 'technic:stainless_steel_ingot'}, + {'technic:copper_coil', 'technic:machine_casing', '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.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", "MV 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", "MV 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) + |