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