game/technic.git

you

2017-06-05 987cc5a6a425b1f9bcd9000608dc389a45c675a1

commit \| author \| age
987cc5	1	-- See also technic/doc/api.md
ee5c6c	2
468d79	3	technic.networks = {}
d3f40e	4	technic.cables = {}
be2f30	5
6abd85	6	local mesecons_path = minetest.get_modpath("mesecons")
D	7	local digilines_path = minetest.get_modpath("digilines")
	8
be2f30	9	local S = technic.getter
468d79	10
54004f	11	local cable_entry = "^technic_cable_connection_overlay.png"
VE	12
ee0765	13	minetest.register_craft({
S	14	output = "technic:switching_station",
	15	recipe = {
83c649	16	{"", "technic:lv_transformer", ""},
S	17	{"default:copper_ingot", "technic:machine_casing", "default:copper_ingot"},
	18	{"technic:lv_cable", "technic:lv_cable", "technic:lv_cable"}
ee0765	19	}
S	20	})
ee5c6c	21
338f3b	22	local mesecon_def
D	23	if mesecons_path then
	24	mesecon_def = {effector = {
	25	rules = mesecon.rules.default,
	26	}}
	27	end
	28
ee0765	29	minetest.register_node("technic:switching_station",{
be2f30	30	description = S("Switching Station"),
54004f	31	tiles = {
VE	32	"technic_water_mill_top_active.png",
	33	"technic_water_mill_top_active.png"..cable_entry,
	34	"technic_water_mill_top_active.png",
	35	"technic_water_mill_top_active.png",
	36	"technic_water_mill_top_active.png",
	37	"technic_water_mill_top_active.png"},
83c649	38	groups = {snappy=2, choppy=2, oddly_breakable_by_hand=2, technic_all_tiers=1},
S	39	connect_sides = {"bottom"},
ee0765	40	sounds = default.node_sound_wood_defaults(),
S	41	on_construct = function(pos)
	42	local meta = minetest.get_meta(pos)
be2f30	43	meta:set_string("infotext", S("Switching Station"))
563a4c	44	meta:set_string("active", 1)
6abd85	45	meta:set_string("channel", "switching_station"..minetest.pos_to_string(pos))
D	46	meta:set_string("formspec", "field[channel;Channel;${channel}]")
ee0765	47	end,
088eea	48	after_dig_node = function(pos)
CK	49	minetest.forceload_free_block(pos)
	50	pos.y = pos.y - 1
	51	minetest.forceload_free_block(pos)
	52	end,
6abd85	53	on_receive_fields = function(pos, formname, fields, sender)
D	54	if not fields.channel then
	55	return
	56	end
	57	local plname = sender:get_player_name()
	58	if minetest.is_protected(pos, plname) then
	59	minetest.record_protection_violation(pos, plname)
	60	return
	61	end
	62	local meta = minetest.get_meta(pos)
	63	meta:set_string("channel", fields.channel)
	64	end,
338f3b	65	mesecons = mesecon_def,
6abd85	66	digiline = {
D	67	receptor = {action = function() end},
	68	effector = {
	69	action = function(pos, node, channel, msg)
	70	if msg ~= "GET" and msg ~= "get" then
	71	return
	72	end
	73	local meta = minetest.get_meta(pos)
	74	if channel ~= meta:get_string("channel") then
	75	return
	76	end
	77	digilines.receptor_send(pos, digilines.rules.default, channel, {
	78	supply = meta:get_int("supply"),
	79	demand = meta:get_int("demand")
	80	})
	81	end
	82	},
	83	},
ee0765	84	})
ee5c6c	85
K	86	--------------------------------------------------
	87	-- Functions to traverse the electrical network
	88	--------------------------------------------------
	89
	90	-- Add a wire node to the LV/MV/HV network
d3f40e	91	local add_new_cable_node = function(nodes, pos, network_id)
CK	92	technic.cables[minetest.hash_node_position(pos)] = network_id
ee0765	93	-- Ignore if the node has already been added
S	94	for i = 1, #nodes do
	95	if pos.x == nodes[i].x and
	96	pos.y == nodes[i].y and
	97	pos.z == nodes[i].z then
	98	return false
	99	end
	100	end
	101	table.insert(nodes, {x=pos.x, y=pos.y, z=pos.z, visited=1})
	102	return true
	103	end
ee5c6c	104
K	105	-- Generic function to add found connected nodes to the right classification array
d3f40e	106	local check_node_subp = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, pos, machines, tier, sw_pos, from_below, network_id)
c38da0	107	technic.get_or_load_node(pos)
ee0765	108	local meta = minetest.get_meta(pos)
S	109	local name = minetest.get_node(pos).name
	110
	111	if technic.is_tier_cable(name, tier) then
d3f40e	112	add_new_cable_node(all_nodes, pos,network_id)
ee0765	113	elseif machines[name] then
S	114	--dprint(name.." is a "..machines[name])
088eea	115	meta:set_string(tier.."_network",minetest.pos_to_string(sw_pos))
ee0765	116	if machines[name] == technic.producer then
d3f40e	117	add_new_cable_node(PR_nodes, pos, network_id)
ee0765	118	elseif machines[name] == technic.receiver then
d3f40e	119	add_new_cable_node(RE_nodes, pos, network_id)
623fca	120	elseif machines[name] == technic.producer_receiver then
d3f40e	121	add_new_cable_node(PR_nodes, pos, network_id)
CK	122	add_new_cable_node(RE_nodes, pos, network_id)
563a4c	123	elseif machines[name] == "SPECIAL" and
9444ef	124	(pos.x ~= sw_pos.x or pos.y ~= sw_pos.y or pos.z ~= sw_pos.z) and
E	125	from_below then
563a4c	126	-- Another switching station -> disable it
d3f40e	127	add_new_cable_node(SP_nodes, pos, network_id)
563a4c	128	meta:set_int("active", 0)
ee0765	129	elseif machines[name] == technic.battery then
d3f40e	130	add_new_cable_node(BA_nodes, pos, network_id)
ee0765	131	end
S	132
	133	meta:set_int(tier.."_EU_timeout", 2) -- Touch node
	134	end
	135	end
ee5c6c	136
K	137	-- Traverse a network given a list of machines and a cable type name
d3f40e	138	local traverse_network = function(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, i, machines, tier, sw_pos, network_id)
ee0765	139	local pos = all_nodes[i]
S	140	local positions = {
	141	{x=pos.x+1, y=pos.y, z=pos.z},
	142	{x=pos.x-1, y=pos.y, z=pos.z},
	143	{x=pos.x, y=pos.y+1, z=pos.z},
	144	{x=pos.x, y=pos.y-1, z=pos.z},
	145	{x=pos.x, y=pos.y, z=pos.z+1},
	146	{x=pos.x, y=pos.y, z=pos.z-1}}
	147	--print("ON")
	148	for i, cur_pos in pairs(positions) do
d3f40e	149	check_node_subp(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes, cur_pos, machines, tier, sw_pos, i == 3, network_id)
ee0765	150	end
S	151	end
ee5c6c	152
f4ac2b	153	local touch_nodes = function(list, tier)
N	154	for _, pos in ipairs(list) do
	155	local meta = minetest.get_meta(pos)
	156	meta:set_int(tier.."_EU_timeout", 2) -- Touch node
	157	end
	158	end
	159
563a4c	160	local get_network = function(sw_pos, pos1, tier)
12d29c	161	local cached = technic.networks[minetest.hash_node_position(pos1)]
f4ac2b	162	if cached and cached.tier == tier then
N	163	touch_nodes(cached.PR_nodes, tier)
	164	touch_nodes(cached.BA_nodes, tier)
	165	touch_nodes(cached.RE_nodes, tier)
563a4c	166	for _, pos in ipairs(cached.SP_nodes) do
N	167	local meta = minetest.get_meta(pos)
	168	meta:set_int("active", 0)
	169	meta:set_string("active_pos", minetest.serialize(sw_pos))
	170	end
f4ac2b	171	return cached.PR_nodes, cached.BA_nodes, cached.RE_nodes
N	172	end
	173	local i = 1
	174	local PR_nodes = {}
	175	local BA_nodes = {}
	176	local RE_nodes = {}
563a4c	177	local SP_nodes = {}
f4ac2b	178	local all_nodes = {pos1}
N	179	repeat
563a4c	180	traverse_network(PR_nodes, RE_nodes, BA_nodes, SP_nodes, all_nodes,
d3f40e	181	i, technic.machines[tier], tier, sw_pos, minetest.hash_node_position(pos1))
f4ac2b	182	i = i + 1
N	183	until all_nodes[i] == nil
563a4c	184	technic.networks[minetest.hash_node_position(pos1)] = {tier = tier, PR_nodes = PR_nodes,
088eea	185	RE_nodes = RE_nodes, BA_nodes = BA_nodes, SP_nodes = SP_nodes, all_nodes = all_nodes}
f4ac2b	186	return PR_nodes, BA_nodes, RE_nodes
N	187	end
	188
ee0765	189	-----------------------------------------------
S	190	-- The action code for the switching station --
	191	-----------------------------------------------
	192	minetest.register_abm({
	193	nodenames = {"technic:switching_station"},
c6464d	194	label = "Switching Station", -- allows the mtt profiler to profile this abm individually
ee5c6c	195	interval = 1,
K	196	chance = 1,
	197	action = function(pos, node, active_object_count, active_object_count_wider)
ee0765	198	local meta = minetest.get_meta(pos)
S	199	local meta1 = nil
	200	local pos1 = {}
	201	local PR_EU = 0 -- EUs from PR nodes
	202	local BA_PR_EU = 0 -- EUs from BA nodes (discharching)
	203	local BA_RE_EU = 0 -- EUs to BA nodes (charging)
	204	local RE_EU = 0 -- EUs to RE nodes
ee5c6c	205
ee0765	206	local tier = ""
f4ac2b	207	local PR_nodes
N	208	local BA_nodes
	209	local RE_nodes
be2f30	210	local machine_name = S("Switching Station")
6abd85	211
ee0765	212	-- Which kind of network are we on:
S	213	pos1 = {x=pos.x, y=pos.y-1, z=pos.z}
ee5c6c	214
088eea	215	--Disable if necessary
CK	216	if meta:get_int("active") ~= 1 then
	217	minetest.forceload_free_block(pos)
	218	minetest.forceload_free_block(pos1)
	219	meta:set_string("infotext",S("%s Already Present"):format(machine_name))
	220	return
	221	end
	222
ee0765	223	local name = minetest.get_node(pos1).name
S	224	local tier = technic.get_cable_tier(name)
	225	if tier then
088eea	226	-- Forceload switching station
CK	227	minetest.forceload_block(pos)
	228	minetest.forceload_block(pos1)
563a4c	229	PR_nodes, BA_nodes, RE_nodes = get_network(pos, pos1, tier)
ee0765	230	else
S	231	--dprint("Not connected to a network")
be2f30	232	meta:set_string("infotext", S("%s Has No Network"):format(machine_name))
088eea	233	minetest.forceload_free_block(pos)
CK	234	minetest.forceload_free_block(pos1)
ee0765	235	return
S	236	end
6abd85	237
563a4c	238	-- Run all the nodes
10307f	239	local function run_nodes(list, run_stage)
563a4c	240	for _, pos2 in ipairs(list) do
c38da0	241	technic.get_or_load_node(pos2)
563a4c	242	local node2 = minetest.get_node(pos2)
N	243	local nodedef
	244	if node2 and node2.name then
	245	nodedef = minetest.registered_nodes[node2.name]
	246	end
	247	if nodedef and nodedef.technic_run then
10307f	248	nodedef.technic_run(pos2, node2, run_stage)
563a4c	249	end
N	250	end
	251	end
6abd85	252
10307f	253	run_nodes(PR_nodes, technic.producer)
M'P	254	run_nodes(RE_nodes, technic.receiver)
	255	run_nodes(BA_nodes, technic.battery)
ee5c6c	256
ee0765	257	-- Strings for the meta data
S	258	local eu_demand_str = tier.."_EU_demand"
	259	local eu_input_str = tier.."_EU_input"
	260	local eu_supply_str = tier.."_EU_supply"
ee5c6c	261
7cfb38	262	-- Distribute charge equally across multiple batteries.
KZ	263	local charge_total = 0
	264	local battery_count = 0
	265
	266	for n, pos1 in pairs(BA_nodes) do
	267	meta1 = minetest.get_meta(pos1)
	268	local charge = meta1:get_int("internal_EU_charge")
	269
	270	if (meta1:get_int(eu_demand_str) ~= 0) then
	271	charge_total = charge_total + charge
	272	battery_count = battery_count + 1
	273	end
	274	end
	275
	276	local charge_distributed = math.floor(charge_total / battery_count)
	277
	278	for n, pos1 in pairs(BA_nodes) do
	279	meta1 = minetest.get_meta(pos1)
	280
	281	if (meta1:get_int(eu_demand_str) ~= 0) then
	282	meta1:set_int("internal_EU_charge", charge_distributed)
	283	end
	284	end
	285
ee0765	286	-- Get all the power from the PR nodes
S	287	local PR_eu_supply = 0 -- Total power
	288	for _, pos1 in pairs(PR_nodes) do
	289	meta1 = minetest.get_meta(pos1)
	290	PR_eu_supply = PR_eu_supply + meta1:get_int(eu_supply_str)
	291	end
	292	--dprint("Total PR supply:"..PR_eu_supply)
ee5c6c	293
ee0765	294	-- Get all the demand from the RE nodes
S	295	local RE_eu_demand = 0
	296	for _, pos1 in pairs(RE_nodes) do
	297	meta1 = minetest.get_meta(pos1)
	298	RE_eu_demand = RE_eu_demand + meta1:get_int(eu_demand_str)
	299	end
	300	--dprint("Total RE demand:"..RE_eu_demand)
ee5c6c	301
ee0765	302	-- Get all the power from the BA nodes
S	303	local BA_eu_supply = 0
	304	for _, pos1 in pairs(BA_nodes) do
	305	meta1 = minetest.get_meta(pos1)
	306	BA_eu_supply = BA_eu_supply + meta1:get_int(eu_supply_str)
	307	end
	308	--dprint("Total BA supply:"..BA_eu_supply)
ee5c6c	309
ee0765	310	-- Get all the demand from the BA nodes
S	311	local BA_eu_demand = 0
	312	for _, pos1 in pairs(BA_nodes) do
	313	meta1 = minetest.get_meta(pos1)
	314	BA_eu_demand = BA_eu_demand + meta1:get_int(eu_demand_str)
	315	end
	316	--dprint("Total BA demand:"..BA_eu_demand)
ee5c6c	317
ee0765	318	meta:set_string("infotext",
4b1798	319	S("@1. Supply: @2 Demand: @3",
85a984	320	machine_name, technic.pretty_num(PR_eu_supply), technic.pretty_num(RE_eu_demand)))
ee5c6c	321
6abd85	322	-- If mesecon signal and power supply or demand changed then
D	323	-- send them via digilines.
	324	if mesecons_path and digilines_path and mesecon.is_powered(pos) then
	325	if PR_eu_supply ~= meta:get_int("supply") or
	326	RE_eu_demand ~= meta:get_int("demand") then
	327	local channel = meta:get_string("channel")
	328	digilines.receptor_send(pos, digilines.rules.default, channel, {
	329	supply = PR_eu_supply,
	330	demand = RE_eu_demand
	331	})
	332	end
	333	end
	334
088eea	335	-- Data that will be used by the power monitor
CK	336	meta:set_int("supply",PR_eu_supply)
	337	meta:set_int("demand",RE_eu_demand)
	338
ee0765	339	-- If the PR supply is enough for the RE demand supply them all
S	340	if PR_eu_supply >= RE_eu_demand then
	341	--dprint("PR_eu_supply"..PR_eu_supply.." >= RE_eu_demand"..RE_eu_demand)
	342	for _, pos1 in pairs(RE_nodes) do
	343	meta1 = minetest.get_meta(pos1)
	344	local eu_demand = meta1:get_int(eu_demand_str)
	345	meta1:set_int(eu_input_str, eu_demand)
	346	end
	347	-- We have a surplus, so distribute the rest equally to the BA nodes
	348	-- Let's calculate the factor of the demand
	349	PR_eu_supply = PR_eu_supply - RE_eu_demand
	350	local charge_factor = 0 -- Assume all batteries fully charged
	351	if BA_eu_demand > 0 then
	352	charge_factor = PR_eu_supply / BA_eu_demand
	353	end
	354	for n, pos1 in pairs(BA_nodes) do
	355	meta1 = minetest.get_meta(pos1)
	356	local eu_demand = meta1:get_int(eu_demand_str)
	357	meta1:set_int(eu_input_str, math.floor(eu_demand * charge_factor))
	358	--dprint("Charging battery:"..math.floor(eu_demand*charge_factor))
	359	end
	360	return
	361	end
ee5c6c	362
ee0765	363	-- If the PR supply is not enough for the RE demand we will discharge the batteries too
S	364	if PR_eu_supply + BA_eu_supply >= RE_eu_demand then
	365	--dprint("PR_eu_supply "..PR_eu_supply.."+BA_eu_supply "..BA_eu_supply.." >= RE_eu_demand"..RE_eu_demand)
	366	for _, pos1 in pairs(RE_nodes) do
	367	meta1 = minetest.get_meta(pos1)
	368	local eu_demand = meta1:get_int(eu_demand_str)
	369	meta1:set_int(eu_input_str, eu_demand)
	370	end
	371	-- We have a deficit, so distribute to the BA nodes
	372	-- Let's calculate the factor of the supply
	373	local charge_factor = 0 -- Assume all batteries depleted
	374	if BA_eu_supply > 0 then
	375	charge_factor = (PR_eu_supply - RE_eu_demand) / BA_eu_supply
	376	end
	377	for n,pos1 in pairs(BA_nodes) do
	378	meta1 = minetest.get_meta(pos1)
ee5c6c	379	local eu_supply = meta1:get_int(eu_supply_str)
ee0765	380	meta1:set_int(eu_input_str, math.floor(eu_supply * charge_factor))
S	381	--dprint("Discharging battery:"..math.floor(eu_supply*charge_factor))
	382	end
	383	return
	384	end
ee5c6c	385
ee0765	386	-- If the PR+BA supply is not enough for the RE demand: Power only the batteries
S	387	local charge_factor = 0 -- Assume all batteries fully charged
	388	if BA_eu_demand > 0 then
	389	charge_factor = PR_eu_supply / BA_eu_demand
	390	end
	391	for n, pos1 in pairs(BA_nodes) do
	392	meta1 = minetest.get_meta(pos1)
	393	local eu_demand = meta1:get_int(eu_demand_str)
	394	meta1:set_int(eu_input_str, math.floor(eu_demand * charge_factor))
	395	end
	396	for n, pos1 in pairs(RE_nodes) do
	397	meta1 = minetest.get_meta(pos1)
	398	meta1:set_int(eu_input_str, 0)
	399	end
6abd85	400
ee5c6c	401	end,
K	402	})
ee0765	403
563a4c	404	-- Timeout ABM
N	405	-- Timeout for a node in case it was disconnected from the network
	406	-- A node must be touched by the station continuously in order to function
	407	local function switching_station_timeout_count(pos, tier)
	408	local meta = minetest.get_meta(pos)
	409	local timeout = meta:get_int(tier.."_EU_timeout")
	410	if timeout <= 0 then
4ac36e	411	meta:set_int(tier.."_EU_input", 0) -- Not needed anymore <-- actually, it is for supply converter
563a4c	412	return true
N	413	else
	414	meta:set_int(tier.."_EU_timeout", timeout - 1)
	415	return false
	416	end
	417	end
	418	minetest.register_abm({
78f16c	419	label = "Machines: timeout check",
563a4c	420	nodenames = {"group:technic_machine"},
N	421	interval = 1,
	422	chance = 1,
	423	action = function(pos, node, active_object_count, active_object_count_wider)
088eea	424	local meta = minetest.get_meta(pos)
563a4c	425	for tier, machines in pairs(technic.machines) do
N	426	if machines[node.name] and switching_station_timeout_count(pos, tier) then
	427	local nodedef = minetest.registered_nodes[node.name]
	428	if nodedef and nodedef.technic_disabled_machine_name then
	429	node.name = nodedef.technic_disabled_machine_name
	430	minetest.swap_node(pos, node)
1c617f	431	elseif nodedef and nodedef.technic_on_disable then
N	432	nodedef.technic_on_disable(pos, node)
563a4c	433	end
N	434	if nodedef then
	435	local meta = minetest.get_meta(pos)
	436	meta:set_string("infotext", S("%s Has No Network"):format(nodedef.description))
	437	end
	438	end
	439	end
	440	end,
	441	})
	442
088eea	443	--Re-enable disabled switching station if necessary, similar to the timeout above
CK	444	minetest.register_abm({
78f16c	445	label = "Machines: re-enable check",
088eea	446	nodenames = {"technic:switching_station"},
CK	447	interval = 1,
	448	chance = 1,
	449	action = function(pos, node, active_object_count, active_object_count_wider)
	450	local meta = minetest.get_meta(pos)
	451	local pos1 = {x=pos.x,y=pos.y-1,z=pos.z}
	452	local tier = technic.get_cable_tier(minetest.get_node(pos1).name)
	453	if not tier then return end
	454	if switching_station_timeout_count(pos, tier) then
	455	local meta = minetest.get_meta(pos)
	456	meta:set_int("active",1)
	457	end
	458	end,
	459	})
	460
ee0765	461	for tier, machines in pairs(technic.machines) do
S	462	-- SPECIAL will not be traversed
	463	technic.register_machine(tier, "technic:switching_station", "SPECIAL")
	464	end
	465