-- See also technic/doc/api.md
|
|
technic.networks = {}
|
technic.cables = {}
|
technic.redundant_warn = {}
|
|
local mesecons_path = minetest.get_modpath("mesecons")
|
local digilines_path = minetest.get_modpath("digilines")
|
|
local S = technic.getter
|
|
local cable_entry = "^technic_cable_connection_overlay.png"
|
|
minetest.register_craft({
|
output = "technic:switching_station",
|
recipe = {
|
{"", "technic:lv_transformer", ""},
|
{"default:copper_ingot", "technic:machine_casing", "default:copper_ingot"},
|
{"technic:lv_cable", "technic:lv_cable", "technic:lv_cable"}
|
}
|
})
|
|
local mesecon_def
|
if mesecons_path then
|
mesecon_def = {effector = {
|
rules = mesecon.rules.default,
|
}}
|
end
|
|
minetest.register_node("technic:switching_station",{
|
description = S("Switching Station"),
|
tiles = {
|
"technic_water_mill_top_active.png",
|
"technic_water_mill_top_active.png"..cable_entry,
|
"technic_water_mill_top_active.png",
|
"technic_water_mill_top_active.png",
|
"technic_water_mill_top_active.png",
|
"technic_water_mill_top_active.png"},
|
groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_all_tiers=1},
|
connect_sides = {"bottom"},
|
sounds = default.node_sound_wood_defaults(),
|
on_construct = function(pos)
|
local meta = minetest.get_meta(pos)
|
meta:set_string("infotext", S("Switching Station"))
|
meta:set_string("active", 1)
|
meta:set_string("channel", "switching_station"..minetest.pos_to_string(pos))
|
meta:set_string("formspec", "field[channel;Channel;${channel}]")
|
local poshash = minetest.hash_node_position(pos)
|
technic.redundant_warn.poshash = nil
|
end,
|
after_dig_node = function(pos)
|
minetest.forceload_free_block(pos)
|
pos.y = pos.y - 1
|
minetest.forceload_free_block(pos)
|
local poshash = minetest.hash_node_position(pos)
|
technic.redundant_warn.poshash = nil
|
end,
|
on_receive_fields = function(pos, formname, fields, sender)
|
if not fields.channel then
|
return
|
end
|
local plname = sender:get_player_name()
|
if minetest.is_protected(pos, plname) then
|
minetest.record_protection_violation(pos, plname)
|
return
|
end
|
local meta = minetest.get_meta(pos)
|
meta:set_string("channel", fields.channel)
|
end,
|
mesecons = mesecon_def,
|
digiline = {
|
receptor = {action = function() end},
|
effector = {
|
action = function(pos, node, channel, msg)
|
if msg ~= "GET" and msg ~= "get" then
|
return
|
end
|
local meta = minetest.get_meta(pos)
|
if channel ~= meta:get_string("channel") then
|
return
|
end
|
digilines.receptor_send(pos, digilines.rules.default, channel, {
|
supply = meta:get_int("supply"),
|
demand = meta:get_int("demand")
|
})
|
end
|
},
|
},
|
})
|
|
--------------------------------------------------
|
-- Functions to traverse the electrical network
|
--------------------------------------------------
|
local function flatten(map)
|
local list = {}
|
for key, value in pairs(map) do
|
list[#list + 1] = value
|
end
|
return list
|
end
|
|
-- Add a wire node to the LV/MV/HV network
|
local function add_network_node(nodes, pos, network_id)
|
local node_id = minetest.hash_node_position(pos)
|
technic.cables[node_id] = network_id
|
if nodes[node_id] then
|
return false
|
end
|
nodes[node_id] = pos
|
return true
|
end
|
|
local function add_cable_node(nodes, pos, network_id, queue)
|
if add_network_node(nodes, pos, network_id) then
|
queue[#queue + 1] = pos
|
end
|
end
|
|
-- Generic function to add found connected nodes to the right classification array
|
local check_node_subp = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, pos, machines, tier, sw_pos, from_below, network_id, queue)
|
technic.get_or_load_node(pos)
|
local meta = minetest.get_meta(pos)
|
local name = minetest.get_node(pos).name
|
|
if technic.is_tier_cable(name, tier) then
|
add_cable_node(all_nodes, pos,network_id, queue)
|
elseif machines[name] then
|
--dprint(name.." is a "..machines[name])
|
meta:set_string(tier.."_network",minetest.pos_to_string(sw_pos))
|
if machines[name] == technic.producer then
|
add_network_node(PR_nodes, pos, network_id)
|
elseif machines[name] == technic.receiver then
|
add_network_node(RE_nodes, pos, network_id)
|
elseif machines[name] == technic.producer_receiver then
|
add_network_node(PR_nodes, pos, network_id)
|
add_network_node(RE_nodes, pos, network_id)
|
elseif machines[name] == "SPECIAL" and
|
(pos.x ~= sw_pos.x or pos.y ~= sw_pos.y or pos.z ~= sw_pos.z) and
|
from_below then
|
-- Another switching station -> disable it
|
add_network_node(SP_nodes, pos, network_id)
|
meta:set_int("active", 0)
|
elseif machines[name] == technic.battery then
|
add_network_node(BA_nodes, pos, network_id)
|
end
|
|
meta:set_int(tier.."_EU_timeout", 2) -- Touch node
|
end
|
end
|
|
-- Traverse a network given a list of machines and a cable type name
|
local traverse_network = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, pos, machines, tier, sw_pos, network_id, queue)
|
local positions = {
|
{x=pos.x+1, y=pos.y, z=pos.z},
|
{x=pos.x-1, y=pos.y, z=pos.z},
|
{x=pos.x, y=pos.y+1, z=pos.z},
|
{x=pos.x, y=pos.y-1, z=pos.z},
|
{x=pos.x, y=pos.y, z=pos.z+1},
|
{x=pos.x, y=pos.y, z=pos.z-1}}
|
for i, cur_pos in pairs(positions) do
|
check_node_subp(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, cur_pos, machines, tier, sw_pos, i == 3, network_id, queue)
|
end
|
end
|
|
local touch_nodes = function(list, tier)
|
for _, pos in ipairs(list) do
|
local meta = minetest.get_meta(pos)
|
meta:set_int(tier.."_EU_timeout", 2) -- Touch node
|
end
|
end
|
|
local get_network = function(sw_pos, pos1, tier)
|
local network_id = minetest.hash_node_position(pos1)
|
local cached = technic.networks[network_id]
|
if cached and cached.tier == tier then
|
touch_nodes(cached.PR_nodes, tier)
|
touch_nodes(cached.BA_nodes, tier)
|
touch_nodes(cached.RE_nodes, tier)
|
for _, pos in ipairs(cached.SP_nodes) do
|
local meta = minetest.get_meta(pos)
|
meta:set_int("active", 0)
|
meta:set_string("active_pos", minetest.serialize(sw_pos))
|
end
|
return cached.PR_nodes, cached.BA_nodes, cached.RE_nodes
|
end
|
local PR_nodes = {}
|
local BA_nodes = {}
|
local RE_nodes = {}
|
local SP_nodes = {}
|
local all_nodes = {}
|
local queue = {}
|
add_cable_node(all_nodes, pos1, network_id, queue)
|
while next(queue) do
|
local to_visit = {}
|
for _, pos in ipairs(queue) do
|
traverse_network(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes,
|
pos, technic.machines[tier], tier, sw_pos, network_id, to_visit)
|
end
|
queue = to_visit
|
end
|
PR_nodes = flatten(PR_nodes)
|
BA_nodes = flatten(BA_nodes)
|
RE_nodes = flatten(RE_nodes)
|
SP_nodes = flatten(SP_nodes)
|
all_nodes = flatten(all_nodes)
|
technic.networks[network_id] = {tier = tier, all_nodes = all_nodes, SP_nodes = SP_nodes,
|
PR_nodes = PR_nodes, RE_nodes = RE_nodes, BA_nodes = BA_nodes}
|
return PR_nodes, BA_nodes, RE_nodes
|
end
|
|
-----------------------------------------------
|
-- The action code for the switching station --
|
-----------------------------------------------
|
|
technic.powerctrl_state = true
|
|
minetest.register_chatcommand("powerctrl", {
|
params = "state",
|
description = "Enables or disables technic's switching station ABM",
|
privs = { basic_privs = true },
|
func = function(name, state)
|
if state == "on" then
|
technic.powerctrl_state = true
|
else
|
technic.powerctrl_state = false
|
end
|
end
|
})
|
|
minetest.register_abm({
|
nodenames = {"technic:switching_station"},
|
label = "Switching Station", -- allows the mtt profiler to profile this abm individually
|
interval = 1,
|
chance = 1,
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
if not technic.powerctrl_state then return end
|
local meta = minetest.get_meta(pos)
|
local meta1 = nil
|
local pos1 = {}
|
local PR_EU = 0 -- EUs from PR nodes
|
local BA_PR_EU = 0 -- EUs from BA nodes (discharching)
|
local BA_RE_EU = 0 -- EUs to BA nodes (charging)
|
local RE_EU = 0 -- EUs to RE nodes
|
|
local tier = ""
|
local PR_nodes
|
local BA_nodes
|
local RE_nodes
|
local machine_name = S("Switching Station")
|
|
-- Which kind of network are we on:
|
pos1 = {x=pos.x, y=pos.y-1, z=pos.z}
|
|
--Disable if necessary
|
if meta:get_int("active") ~= 1 then
|
minetest.forceload_free_block(pos)
|
minetest.forceload_free_block(pos1)
|
meta:set_string("infotext",S("%s Already Present"):format(machine_name))
|
|
local poshash = minetest.hash_node_position(pos)
|
|
if not technic.redundant_warn[poshash] then
|
technic.redundant_warn[poshash] = true
|
print("[TECHNIC] Warning: redundant switching station found near "..minetest.pos_to_string(pos))
|
end
|
return
|
end
|
|
local name = minetest.get_node(pos1).name
|
local tier = technic.get_cable_tier(name)
|
if tier then
|
-- Forceload switching station
|
minetest.forceload_block(pos)
|
minetest.forceload_block(pos1)
|
PR_nodes, BA_nodes, RE_nodes = get_network(pos, pos1, tier)
|
else
|
--dprint("Not connected to a network")
|
meta:set_string("infotext", S("%s Has No Network"):format(machine_name))
|
minetest.forceload_free_block(pos)
|
minetest.forceload_free_block(pos1)
|
return
|
end
|
|
-- Run all the nodes
|
local function run_nodes(list, run_stage)
|
for _, pos2 in ipairs(list) do
|
technic.get_or_load_node(pos2)
|
local node2 = minetest.get_node(pos2)
|
local nodedef
|
if node2 and node2.name then
|
nodedef = minetest.registered_nodes[node2.name]
|
end
|
if nodedef and nodedef.technic_run then
|
nodedef.technic_run(pos2, node2, run_stage)
|
end
|
end
|
end
|
|
run_nodes(PR_nodes, technic.producer)
|
run_nodes(RE_nodes, technic.receiver)
|
run_nodes(BA_nodes, technic.battery)
|
|
-- Strings for the meta data
|
local eu_demand_str = tier.."_EU_demand"
|
local eu_input_str = tier.."_EU_input"
|
local eu_supply_str = tier.."_EU_supply"
|
|
-- Distribute charge equally across multiple batteries.
|
local charge_total = 0
|
local battery_count = 0
|
|
for n, pos1 in pairs(BA_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
local charge = meta1:get_int("internal_EU_charge")
|
|
if (meta1:get_int(eu_demand_str) ~= 0) then
|
charge_total = charge_total + charge
|
battery_count = battery_count + 1
|
end
|
end
|
|
local charge_distributed = math.floor(charge_total / battery_count)
|
|
for n, pos1 in pairs(BA_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
|
if (meta1:get_int(eu_demand_str) ~= 0) then
|
meta1:set_int("internal_EU_charge", charge_distributed)
|
end
|
end
|
|
-- Get all the power from the PR nodes
|
local PR_eu_supply = 0 -- Total power
|
for _, pos1 in pairs(PR_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
PR_eu_supply = PR_eu_supply + meta1:get_int(eu_supply_str)
|
end
|
--dprint("Total PR supply:"..PR_eu_supply)
|
|
-- Get all the demand from the RE nodes
|
local RE_eu_demand = 0
|
for _, pos1 in pairs(RE_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
RE_eu_demand = RE_eu_demand + meta1:get_int(eu_demand_str)
|
end
|
--dprint("Total RE demand:"..RE_eu_demand)
|
|
-- Get all the power from the BA nodes
|
local BA_eu_supply = 0
|
for _, pos1 in pairs(BA_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
BA_eu_supply = BA_eu_supply + meta1:get_int(eu_supply_str)
|
end
|
--dprint("Total BA supply:"..BA_eu_supply)
|
|
-- Get all the demand from the BA nodes
|
local BA_eu_demand = 0
|
for _, pos1 in pairs(BA_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
BA_eu_demand = BA_eu_demand + meta1:get_int(eu_demand_str)
|
end
|
--dprint("Total BA demand:"..BA_eu_demand)
|
|
meta:set_string("infotext", S("@1. Supply: @2 Demand: @3",
|
machine_name, technic.EU_string(PR_eu_supply),
|
technic.EU_string(RE_eu_demand)))
|
|
-- If mesecon signal and power supply or demand changed then
|
-- send them via digilines.
|
if mesecons_path and digilines_path and mesecon.is_powered(pos) then
|
if PR_eu_supply ~= meta:get_int("supply") or
|
RE_eu_demand ~= meta:get_int("demand") then
|
local channel = meta:get_string("channel")
|
digilines.receptor_send(pos, digilines.rules.default, channel, {
|
supply = PR_eu_supply,
|
demand = RE_eu_demand
|
})
|
end
|
end
|
|
-- Data that will be used by the power monitor
|
meta:set_int("supply",PR_eu_supply)
|
meta:set_int("demand",RE_eu_demand)
|
|
-- If the PR supply is enough for the RE demand supply them all
|
if PR_eu_supply >= RE_eu_demand then
|
--dprint("PR_eu_supply"..PR_eu_supply.." >= RE_eu_demand"..RE_eu_demand)
|
for _, pos1 in pairs(RE_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
local eu_demand = meta1:get_int(eu_demand_str)
|
meta1:set_int(eu_input_str, eu_demand)
|
end
|
-- We have a surplus, so distribute the rest equally to the BA nodes
|
-- Let's calculate the factor of the demand
|
PR_eu_supply = PR_eu_supply - RE_eu_demand
|
local charge_factor = 0 -- Assume all batteries fully charged
|
if BA_eu_demand > 0 then
|
charge_factor = PR_eu_supply / BA_eu_demand
|
end
|
for n, pos1 in pairs(BA_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
local eu_demand = meta1:get_int(eu_demand_str)
|
meta1:set_int(eu_input_str, math.floor(eu_demand * charge_factor))
|
--dprint("Charging battery:"..math.floor(eu_demand*charge_factor))
|
end
|
return
|
end
|
|
-- If the PR supply is not enough for the RE demand we will discharge the batteries too
|
if PR_eu_supply + BA_eu_supply >= RE_eu_demand then
|
--dprint("PR_eu_supply "..PR_eu_supply.."+BA_eu_supply "..BA_eu_supply.." >= RE_eu_demand"..RE_eu_demand)
|
for _, pos1 in pairs(RE_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
local eu_demand = meta1:get_int(eu_demand_str)
|
meta1:set_int(eu_input_str, eu_demand)
|
end
|
-- We have a deficit, so distribute to the BA nodes
|
-- Let's calculate the factor of the supply
|
local charge_factor = 0 -- Assume all batteries depleted
|
if BA_eu_supply > 0 then
|
charge_factor = (PR_eu_supply - RE_eu_demand) / BA_eu_supply
|
end
|
for n,pos1 in pairs(BA_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
local eu_supply = meta1:get_int(eu_supply_str)
|
meta1:set_int(eu_input_str, math.floor(eu_supply * charge_factor))
|
--dprint("Discharging battery:"..math.floor(eu_supply*charge_factor))
|
end
|
return
|
end
|
|
-- If the PR+BA supply is not enough for the RE demand: Power only the batteries
|
local charge_factor = 0 -- Assume all batteries fully charged
|
if BA_eu_demand > 0 then
|
charge_factor = PR_eu_supply / BA_eu_demand
|
end
|
for n, pos1 in pairs(BA_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
local eu_demand = meta1:get_int(eu_demand_str)
|
meta1:set_int(eu_input_str, math.floor(eu_demand * charge_factor))
|
end
|
for n, pos1 in pairs(RE_nodes) do
|
meta1 = minetest.get_meta(pos1)
|
meta1:set_int(eu_input_str, 0)
|
end
|
|
end,
|
})
|
|
-- Timeout ABM
|
-- Timeout for a node in case it was disconnected from the network
|
-- A node must be touched by the station continuously in order to function
|
local function switching_station_timeout_count(pos, tier)
|
local meta = minetest.get_meta(pos)
|
local timeout = meta:get_int(tier.."_EU_timeout")
|
if timeout <= 0 then
|
meta:set_int(tier.."_EU_input", 0) -- Not needed anymore <-- actually, it is for supply converter
|
return true
|
else
|
meta:set_int(tier.."_EU_timeout", timeout - 1)
|
return false
|
end
|
end
|
minetest.register_abm({
|
label = "Machines: timeout check",
|
nodenames = {"group:technic_machine"},
|
interval = 1,
|
chance = 1,
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
local meta = minetest.get_meta(pos)
|
for tier, machines in pairs(technic.machines) do
|
if machines[node.name] and switching_station_timeout_count(pos, tier) then
|
local nodedef = minetest.registered_nodes[node.name]
|
if nodedef and nodedef.technic_disabled_machine_name then
|
node.name = nodedef.technic_disabled_machine_name
|
minetest.swap_node(pos, node)
|
elseif nodedef and nodedef.technic_on_disable then
|
nodedef.technic_on_disable(pos, node)
|
end
|
if nodedef then
|
local meta = minetest.get_meta(pos)
|
meta:set_string("infotext", S("%s Has No Network"):format(nodedef.description))
|
end
|
end
|
end
|
end,
|
})
|
|
--Re-enable disabled switching station if necessary, similar to the timeout above
|
minetest.register_abm({
|
label = "Machines: re-enable check",
|
nodenames = {"technic:switching_station"},
|
interval = 1,
|
chance = 1,
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
local meta = minetest.get_meta(pos)
|
local pos1 = {x=pos.x,y=pos.y-1,z=pos.z}
|
local tier = technic.get_cable_tier(minetest.get_node(pos1).name)
|
if not tier then return end
|
if switching_station_timeout_count(pos, tier) then
|
local meta = minetest.get_meta(pos)
|
meta:set_int("active",1)
|
end
|
end,
|
})
|
|
for tier, machines in pairs(technic.machines) do
|
-- SPECIAL will not be traversed
|
technic.register_machine(tier, "technic:switching_station", "SPECIAL")
|
end
|
