added cybernetic combinators

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022 Monica Moniot
+Copyright (c) 2022 Mami
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

cybersyn/control.lua

@@ -1,4 +1,4 @@
-
+--By Mami
 
 require("scripts.constants")
 require("scripts.global")

cybersyn/data.lua

@@ -8,18 +8,14 @@ require('prototypes.entity')
 require('prototypes.signal')
 
 data:extend({
-	cybersyn_depot_item,
+	combinator_entity,
-	cybersyn_station_item,
+	combinator_out_entity,
-	cybersyn_depot_recipe,
+	combinator_item,
-	cybersyn_station_recipe,
+	combinator_recipe,
 	cybersyn_tech,
-	cybersyn_depot_entity,
+	subgroup_signal,
-	cybersyn_station_entity,
+	priority_signal,
-	cybersyn_station_in,
+	p_threshold_signal,
-	cybersyn_station_out,
+	r_threshold_signal,
-	cybersyn_subgroup,
+	locked_slots_signal,
-	cybersyn_priority,
-	cybersyn_p_threshold,
-	cybersyn_r_threshold,
-	cybersyn_locked_slots,
 })

cybersyn/locale/en/base.cfg

@@ -1,32 +1,26 @@
 [mod-setting-name]
 cybersyn-ticks-per-second=Dispatcher ticks per second
-cybersyn-requester-threshold=Default requester threshold
+cybersyn-request-threshold=Default requester threshold
-cybersyn-provider-threshold=Default provider threshold
+cybersyn-provide-threshold=Default provider threshold
 
 [mod-setting-description]
 cybersyn-ticks-per-second=How many times per second to check all stations for possible deliveries. This value will be rounded up to a divisor of 60.
-cybersyn-requester-threshold=When a requester threshold signal is not recieved by a station it will default to this value.
+cybersyn-request-threshold=When a requester threshold signal is not recieved by a station it will default to this value.
-cybersyn-provider-threshold=When a provider threshold signal is not recieved by a station it will default to this value.
+cybersyn-provide-threshold=When a provider threshold signal is not recieved by a station it will default to this value.
 
 [item-name]
-cybersyn-depot=Cybersyn depot
+cybersyn-combinator=Cybernetic combinator
-cybersyn-station=Cybersyn station
 
 [item-description]
-cybersyn-depot=Cybersyn depot
+cybersyn-combinator=Cybernetic combinator
-cybersyn-station=Cybersyn station
 
 [entity-name]
-cybersyn-depot=Cybersyn depot
+cybersyn-combinator=Cybernetic combinator
-cybersyn-station=Cybersyn station
+cybersyn-combinator-output=NA
-cybersyn-station-out=Cybersyn station output
-cybersyn-station-in=Cybersyn station input
 
 [entity-description]
-cybersyn-depot=Cybersyn depot
+cybersyn-combinator=Cybersyn depot
-cybersyn-station=Cybersyn station
+cybersyn-combinator-output=NA
-cybersyn-station-out=Cybersyn station output
-cybersyn-station-in=Cybersyn station input
 
 [technology-name]
 cybersyn-train-network=Cybernetic train network
@@ -36,6 +30,6 @@ cybersyn-train-network=Cybernetic train network
 
 [virtual-signal-name]
 cybersyn-priority=Station priority
-cybersyn-p_threshold=Provide threshold
+cybersyn-provide-threshold=Provide threshold
-cybersyn-r_threshold=Request threshold
+cybersyn-request-threshold=Request threshold
 cybersyn-locked-slots=Locked slots per cargo wagon

cybersyn/prototypes/entity.lua

@@ -1,39 +1,47 @@
 --By Mami
-cybersyn_station_entity = flib.copy_prototype(data.raw["train-stop"]["train-stop"], BUFFER_STATION_NAME)
+combinator_entity = flib.copy_prototype(data.raw["arithmetic-combinator"]["arithmetic-combinator"], COMBINATOR_NAME)
-cybersyn_station_entity.icon = "__cybersyn__/graphics/icons/station.png"
+combinator_entity.icon = "__cybersyn__/graphics/icons/combinator.png"
-cybersyn_station_entity.icon_size = 64
+combinator_entity.radius_visualisation_specification = {
-cybersyn_station_entity.icon_mipmaps = 4
+	sprite = {
-cybersyn_station_entity.next_upgrade = nil
+		filename = "__cybersyn__/graphics/icons/combinator.png",
-cybersyn_station_entity.color = {.5, .1, .9}
+		tint = {r = 1, g = 1, b = .25, a = 1},
+		height = 64,
+		width = 64,
+	},
+	distance = 1,
+}
 
-cybersyn_depot_entity = flib.copy_prototype(data.raw["train-stop"]["train-stop"], DEPOT_STATION_NAME)
+combinator_out_entity = flib.copy_prototype(data.raw["constant-combinator"]["constant-combinator"], COMBINATOR_OUT_NAME)
-cybersyn_depot_entity.icon = "__cybersyn__/graphics/icons/depot.png"
+combinator_out_entity.icon = nil
-cybersyn_depot_entity.icon_size = 64
+combinator_out_entity.icon_size = nil
-cybersyn_depot_entity.icon_mipmaps = 4
+combinator_out_entity.icon_mipmaps = nil
-cybersyn_depot_entity.next_upgrade = nil
+combinator_out_entity.next_upgrade = nil
-cybersyn_depot_entity.color = {1, .9, .9}
+combinator_out_entity.minable = nil
+combinator_out_entity.selection_box = nil
+combinator_out_entity.collision_box = nil
+combinator_out_entity.collision_mask = {}
+combinator_out_entity.item_slot_count = 500
+combinator_out_entity.circuit_wire_max_distance = 3
+combinator_out_entity.flags = {"not-blueprintable", "not-deconstructable", "placeable-off-grid"}
 
-cybersyn_station_in = flib.copy_prototype(data.raw["lamp"]["small-lamp"], STATION_IN_NAME)
+local origin = {0.0, 0.0}
-cybersyn_station_in.icon = "__cybersyn__/graphics/icons/station.png"
+local invisible_sprite = {filename = "__cybersyn__/graphics/invisible.png", width = 1, height = 1}
-cybersyn_station_in.icon_size = 64
+local wire_con1 = {
-cybersyn_station_in.icon_mipmaps = 4
+	red = origin,
-cybersyn_station_in.next_upgrade = nil
+	green = origin
-cybersyn_station_in.minable = nil
+}
-cybersyn_station_in.selection_box = {{-0.5, -0.5}, {0.5, 0.5}}
+local wire_con0 = {wire = wire_con1, shadow = wire_con1}
-cybersyn_station_in.selection_priority = 60
+combinator_out_entity.sprites = invisible_sprite
-cybersyn_station_in.collision_box = {{-0.15, -0.15}, {0.15, 0.15}}
+combinator_out_entity.activity_led_sprites = invisible_sprite
-cybersyn_station_in.collision_mask = {"rail-layer"}
+combinator_out_entity.activity_led_light = {
-cybersyn_station_in.energy_usage_per_tick = "10W"
+	intensity = 0,
-cybersyn_station_in.light = {intensity = 1, size = 6}
+	size = 0,
-cybersyn_station_in.energy_source = {type="void"}
+}
-
+combinator_out_entity.activity_led_light_offsets = {origin, origin, origin, origin}
-cybersyn_station_out = flib.copy_prototype(data.raw["constant-combinator"]["constant-combinator"],STATION_OUT_NAME)
+combinator_out_entity.draw_circuit_wires = false
-cybersyn_station_out.icon = "__cybersyn__/graphics/icons/station.png"
+combinator_out_entity.circuit_wire_connection_points = {
-cybersyn_station_out.icon_size = 64
+	wire_con0,
-cybersyn_station_out.icon_mipmaps = 4
+	wire_con0,
-cybersyn_station_out.next_upgrade = nil
+	wire_con0,
-cybersyn_station_out.minable = nil
+	wire_con0
-cybersyn_station_out.selection_box = {{-0.5, -0.5}, {0.5, 0.5}}
+}
-cybersyn_station_out.selection_priority = 60
-cybersyn_station_out.collision_box = {{-0.15, -0.15}, {0.15, 0.15}}
-cybersyn_station_out.collision_mask = {"rail-layer"}

cybersyn/prototypes/item.lua

@@ -1,12 +1,6 @@
 --By Mami
-cybersyn_station_item = flib.copy_prototype(data.raw["item"]["train-stop"], BUFFER_STATION_NAME)
+combinator_item = flib.copy_prototype(data.raw["item"]["arithmetic-combinator"], COMBINATOR_NAME)
-cybersyn_station_item.icon = "__cybersyn__/graphics/icons/station.png"
+combinator_item.icon = "__cybersyn__/graphics/icons/combinator.png"
-cybersyn_station_item.icon_size = 64
+combinator_item.icon_size = 64
-cybersyn_station_item.icon_mipmaps = 4
+combinator_item.icon_mipmaps = 4
-cybersyn_station_item.order = cybersyn_station_item.order.."-c"
+combinator_item.order = combinator_item.order.."-c"
-
-cybersyn_depot_item = flib.copy_prototype(data.raw["item"]["train-stop"], DEPOT_STATION_NAME)
-cybersyn_depot_item.icon = "__cybersyn__/graphics/icons/depot.png"
-cybersyn_depot_item.icon_size = 64
-cybersyn_depot_item.icon_mipmaps = 4
-cybersyn_depot_item.order = cybersyn_depot_item.order.."-d"

cybersyn/prototypes/signal.lua

@@ -1,11 +1,11 @@
 --By Mami
-cybersyn_subgroup = {
+subgroup_signal = {
 	type = "item-subgroup",
 	name = "cybersyn-signal",
 	group = "signals",
 	order = "cybersyn0[cybersyn-signal]"
 }
-cybersyn_priority = {
+priority_signal = {
 	type = "virtual-signal",
 	name = SIGNAL_PRIORITY,
 	icon = "__cybersyn__/graphics/icons/priority.png",
@@ -13,23 +13,23 @@ cybersyn_priority = {
 	subgroup = "cybersyn-signal",
 	order = "a-a"
 }
-cybersyn_p_threshold = {
+p_threshold_signal = {
 	type = "virtual-signal",
 	name = PROVIDE_THRESHOLD,
-	icon = "__cybersyn__/graphics/icons/p_threshold.png",
+	icon = "__cybersyn__/graphics/icons/provide-threshold.png",
 	icon_size = 64,
 	subgroup = "cybersyn-signal",
 	order = "a-b"
 }
-cybersyn_r_threshold = {
+r_threshold_signal = {
 	type = "virtual-signal",
 	name = REQUEST_THRESHOLD,
-	icon = "__cybersyn__/graphics/icons/r_threshold.png",
+	icon = "__cybersyn__/graphics/icons/request-threshold.png",
 	icon_size = 64,
 	subgroup = "cybersyn-signal",
 	order = "a-c"
 }
-cybersyn_locked_slots = {
+locked_slots_signal = {
 	type = "virtual-signal",
 	name = LOCKED_SLOTS,
 	icon = "__cybersyn__/graphics/icons/locked_slots.png",

cybersyn/prototypes/tech.lua

@@ -1,17 +1,10 @@
 --By Mami
-cybersyn_station_recipe = flib.copy_prototype(data.raw["recipe"]["train-stop"], BUFFER_STATION_NAME)
+combinator_recipe = flib.copy_prototype(data.raw["recipe"]["train-stop"], COMBINATOR_NAME)
-cybersyn_station_recipe.ingredients = {
+combinator_recipe.ingredients = {
-	{"train-stop", 1},
+	{"copper-cable", 5},
 	{"advanced-circuit", 5},
 }
-cybersyn_station_recipe.enabled = false
+combinator_recipe.enabled = false
-
-cybersyn_depot_recipe = flib.copy_prototype(data.raw["recipe"]["train-stop"], DEPOT_STATION_NAME)
-cybersyn_depot_recipe.ingredients = {
-	{"train-stop", 1},
-	{"electronic-circuit", 5},
-}
-cybersyn_depot_recipe.enabled = false
 
 cybersyn_tech = {
 	type = "technology",
@@ -27,11 +20,7 @@ cybersyn_tech = {
 	effects = {
 		{
 			type = "unlock-recipe",
-			recipe = BUFFER_STATION_NAME
+			recipe = COMBINATOR_NAME
-		},
-		{
-			type = "unlock-recipe",
-			recipe = DEPOT_STATION_NAME
 		},
 	},
 	unit = {
@@ -39,7 +28,7 @@ cybersyn_tech = {
 			{"automation-science-pack", 1},
 			{"logistic-science-pack", 1}
 		},
-		count = 300,
+		count = 400,
 		time = 30
 	},
 	order = "c-g-c"

cybersyn/scripts/constants.lua

@@ -1,14 +1,17 @@
 --By Mami
 
 SIGNAL_PRIORITY = "cybersyn-priority"
-REQUEST_THRESHOLD = "cybersyn-r_threshold"
+REQUEST_THRESHOLD = "cybersyn-request-threshold"
-PROVIDE_THRESHOLD = "cybersyn-p_threshold"
+PROVIDE_THRESHOLD = "cybersyn-provide-threshold"
 LOCKED_SLOTS = "cybersyn-locked-slots"
 
-STATION_IN_NAME = "cybersyn-station-in"
+COMBINATOR_NAME = "cybersyn-combinator"
-STATION_OUT_NAME = "cybersyn-station-out"
+COMBINATOR_OUT_NAME = "cybersyn-combinator-output"
-BUFFER_STATION_NAME = "cybersyn-station"
+
-DEPOT_STATION_NAME = "cybersyn-depot"
+OPERATION_PRIMARY_IO = "*"
+OPERATION_SECONDARY_IO = "/"
+OPERATION_DEPOT = "+"
+OPERATION_WAGON_MANIFEST = "-"
 
 DELTA = 1/2048
 

cybersyn/scripts/controller.lua

@@ -54,20 +54,76 @@ function create_manifest_schedule(depot_name, p_stop, r_stop, manifest)
 end
 
 
-
 local function get_signals(station)
-	local signals = station.entity_in.get_merged_signals()
+	if station.comb1.valid then
-	return signals
+		local signals = station.comb1.get_merged_signals(defines.circuit_connector_id.combinator_input)
+		return signals
+	else
+		return nil
+	end
+end
+
+function set_combinator_output(map_data, comb, signals)
+	if comb.valid then
+		local out = map_data.to_output[comb.unit_number]
+		if out.valid then
+			out.get_or_create_control_behavior().parameters = signals
+		else
+			--TODO: error logging?
+		end
+	else
+		--TODO: error logging?
+	end
+end
+
+local function set_comb2(map_data, station)
+	if station.comb2 then
+		local deliveries = station.deliveries
+		local signals = {}
+		for item_name, count in pairs(deliveries) do
+			local i = #signals + 1
+			local item_type = game.item_prototypes[item_name].type
+			signals[i] = {index = i, signal = {type = item_type, name = item_name}, count = count}
+		end
+		set_combinator_output(map_data, station.comb2, signals)
+	end
+end
+
+function remove_manifest(map_data, station, manifest, sign)
+	local deliveries = station.deliveries
+	for i, item in ipairs(manifest) do
+		deliveries[item.name] = deliveries[item.name] + sign*item.count
+		if deliveries[item.name] == 0 then
+			deliveries[item.name] = nil
+		end
+	end
+	set_comb2(map_data, station)
+	station.deliveries_total = station.deliveries_total - 1
+end
+
+local function get_thresholds(map_data, station, signal)
+	local comb2 = station.comb2
+	if comb2 and comb2.valid then
+		local count = comb2.get_merged_signal(signal, defines.circuit_connector_id.combinator_input)
+		if count > 0 then
+			return station.r_threshold, count
+		elseif count < 0 then
+			return -count, station.p_threshold
+		end
+	end
+	return station.r_threshold, station.p_threshold
 end
 
 local function get_stop_dist(stop0, stop1)
 	return get_distance(stop0.position, stop1.position)
 end
 
+
 local function station_accepts_layout(station, layout_id)
 	return true
 end
 
+
 local function get_valid_train(map_data, r_station_id, p_station_id, item_type)
 	--NOTE: this code is the critical section for run-time optimization
 	local r_station = map_data.stations[r_station_id]
@@ -113,6 +169,7 @@ local function get_valid_train(map_data, r_station_id, p_station_id, item_type)
 	end
 end
 
+
 local function send_train_between(map_data, r_station_id, p_station_id, train, primary_item_name, economy)
 	local r_station = map_data.stations[r_station_id]
 	local p_station = map_data.stations[p_station_id]
@@ -128,7 +185,8 @@ local function send_train_between(map_data, r_station_id, p_station_id, train, p
 			local item_type = v.signal.type
 			if item_name and item_type and item_type ~= "virtual" then
 				local effective_item_count = item_count + (r_station.deliveries[item_name] or 0)
-				if -effective_item_count >= r_station.r_threshold then
+				local r_threshold, p_threshold = get_thresholds(map_data, r_station, v)
+				if -effective_item_count >= r_threshold then
 					requests[item_name] = -effective_item_count
 				end
 			end
@@ -143,7 +201,8 @@ local function send_train_between(map_data, r_station_id, p_station_id, train, p
 			local item_type = v.signal.type
 			if item_name and item_type and item_type ~= "virtual" then
 				local effective_item_count = item_count + (p_station.deliveries[item_name] or 0)
-				if effective_item_count >= p_station.p_threshold then
+				local r_threshold, p_threshold = get_thresholds(map_data, r_station, v)
+				if effective_item_count >= p_threshold then
 					local r = requests[item_name]
 					if r then
 						local item = {name = item_name, count = math.min(r, effective_item_count), type = item_type}
@@ -230,6 +289,8 @@ local function send_train_between(map_data, r_station_id, p_station_id, train, p
 	train.manifest = manifest
 
 	train.entity.schedule = create_manifest_schedule(train.depot_name, p_station.entity, r_station.entity, manifest)
+	set_comb2(map_data, p_station)
+	set_comb2(map_data, r_station)
 end
 
 
@@ -279,8 +340,9 @@ function tick(map_data, mod_settings)
 					local item_name = v.signal.name
 					local item_count = v.count
 					local effective_item_count = item_count + (station.deliveries[item_name] or 0)
+					local r_threshold, p_threshold = get_thresholds(map_data, station, v)
 
-					if -effective_item_count >= station.r_threshold then
+					if -effective_item_count >= r_threshold then
 						if r_stations_all[item_name] == nil then
 							r_stations_all[item_name] = {}
 							p_stations_all[item_name] = {}
@@ -288,7 +350,7 @@ function tick(map_data, mod_settings)
 							all_items[#all_items + 1] = v.signal.type
 						end
 						table.insert(r_stations_all[item_name], station_id)
-					elseif effective_item_count >= station.p_threshold then
+					elseif effective_item_count >= p_threshold then
 						if r_stations_all[item_name] == nil then
 							r_stations_all[item_name] = {}
 							p_stations_all[item_name] = {}

cybersyn/scripts/global.lua

@@ -4,7 +4,10 @@
 global: {
 	total_ticks: int
 	layout_top_id: int
+	to_output: {[comb_unit_number]: LuaEntity}
+	to_stop: {[comb_unit_number]: LuaEntity}
 	stations: {[stop_id]: Station}
+	depots: {[stop_id]: LuaEntity}
 	trains: {[train_id]: Train}
 	trains_available: {[train_id]: bool}
 	layouts: {[layout_id]: Layout}
@@ -18,12 +21,16 @@ Station: {
 	r_threshold: int >= 0
 	p_threshold: int >= 0
 	locked_slots: int >= 0
-	entity: LuaEntity
+	entity_stop: LuaEntity
-	entity_in: LuaEntity
+	entity_comb1: LuaEntity
-	entity_out: LuaEntity
+	entity_comb2: LuaEntity?
+	wagon_combs: {[int]: LuaEntity}--allowed to be invalid entities
 	deliveries: {
 		[item_name]: int
 	}
+	deliveries: {
+		[item_name]: item-type
+	}
 	train_class: string
 	accepted_layouts: TrainClass
 	layout_pattern: string|nil
@@ -51,11 +58,13 @@ Layout: string
 --TODO: only init once
 mod_settings = {}
 mod_settings.tps = settings.global["cybersyn-ticks-per-second"].value
-mod_settings.r_threshold = settings.global["cybersyn-requester-threshold"].value
+mod_settings.r_threshold = settings.global["cybersyn-request-threshold"].value
-mod_settings.p_threshold = settings.global["cybersyn-provider-threshold"].value
+mod_settings.p_threshold = settings.global["cybersyn-provide-threshold"].value
 
 global.total_ticks = 0
+global.to_output = {}
 global.stations = {}
+global.depots = {}
 global.trains = {}
 global.trains_available = {}
 global.layouts = {}

cybersyn/scripts/main.lua

@@ -1,38 +1,21 @@
 --By Mami
 
-local function set_station_output_empty(station)
-	--change circuit outputs
-	station.entity_out.get_control_behavior().parameters = nil
-end
-
 local function on_failed_delivery(map_data, train)
 	--NOTE: must change train status to STATUS_D or remove it from tracked trains after this call
 	local is_p_delivery_made = train.status ~= STATUS_D_TO_P and train.status ~= STATUS_P
 	if not is_p_delivery_made then
 		local station = map_data.stations[train.p_station_id]
-		for i, item in ipairs(train.manifest) do
+		remove_manifest(map_data, station, train.manifest, 1)
-			station.deliveries[item.name] = station.deliveries[item.name] + item.count
-			if station.deliveries[item.name] == 0 then
-				station.deliveries[item.name] = nil
-			end
-		end
-		station.deliveries_total = station.deliveries_total - 1
 		if train.status == STATUS_P then
-			set_station_output_empty(station)
+			set_combinator_output(map_data, station.comb1, nil)
 		end
 	end
 	local is_r_delivery_made = train.status == STATUS_R_TO_D
 	if not is_r_delivery_made then
 		local station = map_data.stations[train.r_station_id]
-		for i, item in ipairs(train.manifest) do
+		remove_manifest(map_data, station, train.manifest, -1)
-			station.deliveries[item.name] = station.deliveries[item.name] - item.count
-			if station.deliveries[item.name] == 0 then
-				station.deliveries[item.name] = nil
-			end
-		end
-		station.deliveries_total = station.deliveries_total - 1
 		if train.status == STATUS_R then
-			set_station_output_empty(station)
+			set_combinator_output(map_data, station.comb1, nil)
 		end
 	end
 	train.r_station_id = 0
@@ -40,91 +23,12 @@ local function on_failed_delivery(map_data, train)
 	train.manifest = nil
 end
 
-local function on_station_built(map_data, stop)
+local function on_station_built(map_data, stop, comb1, comb2)
-	local pos_x = stop.position.x
-	local pos_y = stop.position.y
-
-	local in_pos
-	local out_pos
-	local search_area
-	if stop.direction == 0 then
-		in_pos = {pos_x, pos_y - 1}
-		out_pos = {pos_x - 1, pos_y - 1}
-		search_area = {
-			{pos_x + DELTA - 1, pos_y + DELTA - 1},
-			{pos_x - DELTA + 1, pos_y - DELTA}
-		}
-	elseif stop.direction == 2 then
-		in_pos = {pos_x, pos_y}
-		out_pos = {pos_x, pos_y - 1}
-		search_area = {
-			{pos_x + DELTA, pos_y + DELTA - 1},
-			{pos_x - DELTA + 1, pos_y - DELTA + 1}
-		}
-	elseif stop.direction == 4 then
-		in_pos = {pos_x - 1, pos_y}
-		out_pos = {pos_x, pos_y}
-		search_area = {
-			{pos_x + DELTA - 1, pos_y + DELTA},
-			{pos_x - DELTA + 1, pos_y - DELTA + 1}
-		}
-	elseif stop.direction == 6 then
-		in_pos = {pos_x - 1, pos_y - 1}
-		out_pos = {pos_x - 1, pos_y}
-		search_area = {
-			{pos_x + DELTA - 1, pos_y + DELTA - 1},
-			{pos_x - DELTA, pos_y - DELTA + 1}
-		}
-	else
-		assert(false, "cybersyn: invalid direction of train stop")
-	end
-
-	local entity_in = nil
-	local entity_out = nil
-	local entities = stop.surface.find_entities(search_area)
-	for _, cur_entity in pairs(entities) do
-		if cur_entity.valid then
-			if cur_entity.name == "entity-ghost" then
-				if cur_entity.ghost_name == STATION_IN_NAME then
-					_, entity_in = cur_entity.silent_revive()
-				elseif cur_entity.ghost_name == STATION_OUT_NAME then
-					_, entity_out = cur_entity.silent_revive()
-				end
-			elseif cur_entity.name == STATION_IN_NAME then
-				entity_in = cur_entity
-			elseif cur_entity.name == STATION_OUT_NAME then
-				entity_out = cur_entity
-			end
-		end
-	end
-
-	if entity_in == nil then
-		entity_in = stop.surface.create_entity({
-			name = STATION_IN_NAME,
-			position = in_pos,
-			force = stop.force
-		})
-	end
-	entity_in.operable = false
-	entity_in.minable = false
-	entity_in.destructible = false
-
-	if entity_out == nil then
-		entity_out = stop.surface.create_entity({
-			name = STATION_OUT_NAME,
-			position = out_pos,
-			direction = stop.direction,
-			force = stop.force
-		})
-	end
-	entity_out.operable = false
-	entity_out.minable = false
-	entity_out.destructible = false
-
 	local station = {
-		entity = stop,
+		entity_stop = stop,
-		entity_in = entity_in,
+		entity_comb1 = comb1,
-		entity_out = entity_out,
+		entity_comb2 = comb2,
+		wagon_combs = nil,
 		deliveries_total = 0,
 		last_delivery_tick = 0,
 		priority = 0,
@@ -140,11 +44,9 @@ local function on_station_built(map_data, stop)
 
 	update_station_if_auto(map_data, station)
 end
-local function on_station_broken(map_data, stop)
+local function on_station_broken(map_data, station_id, station)
-	--search for trains coming to the destroyed station
-	local station_id = stop.unit_number
-	local station = map_data.stations[station_id]
 	if station.deliveries_total > 0 then
+		--search for trains coming to the destroyed station
 		for train_id, train in pairs(map_data.trains) do
 			local is_r = train.r_station_id == station_id
 			local is_p = train.p_station_id == station_id
@@ -161,13 +63,226 @@ local function on_station_broken(map_data, stop)
 			end
 		end
 	end
-
-	if station.entity_in.valid then station.entity_in.destroy() end
-	if station.entity_out.valid then station.entity_out.destroy() end
-
 	map_data.stations[station_id] = nil
 end
 
+local function search_for_station_combinator(map_data, stop, comb_operation, comb_forbidden)
+	local pos_x = stop.position.x
+	local pos_y = stop.position.y
+	--TODO: fix search area
+	local search_area = {
+		{pos_x + DELTA - 1, pos_y + DELTA - 1},
+		{pos_x - DELTA + 1, pos_y - DELTA + 1}
+	}
+	local entities = stop.surface.find_entities(search_area)
+	for _, entity in pairs(entities) do
+		if
+		entity.valid and entity.name == COMBINATOR_NAME and
+		entity ~= comb_forbidden and map_data.to_stop[entity.unit_number] == stop
+		then
+			local control = entity.get_or_create_control_behavior().parameters
+			if control.operation == comb_operation then
+				return entity
+			end
+		end
+	end
+end
+
+local function on_combinator_built(map_data, comb)
+	local pos_x = comb.position.x
+	local pos_y = comb.position.y
+
+	--TODO: fix search area
+	local search_area = {
+		{pos_x + DELTA - 1, pos_y + DELTA - 1},
+		{pos_x - DELTA + 1, pos_y - DELTA + 1}
+	}
+	local stop = nil
+	local rail = nil
+	local entities = stop.surface.find_entities(search_area)
+	for _, cur_entity in pairs(entities) do
+		if cur_entity.valid then
+			if cur_entity.name == "train-stop" then
+				--NOTE: if there are multiple stops we take the later one
+				stop = cur_entity
+			elseif cur_entity.name == "rail-straight" then
+				rail = cur_entity
+			end
+		end
+	end
+
+	local out = comb.surface.create_entity({
+		name = COMBINATOR_OUT_NAME,
+		position = comb.position,
+		force = comb.force
+	})
+	comb.connect_neighbour({
+		target_entity = out,
+		source_wire_id = defines.circuit_connector_id.combinator_output,
+		wire = defines.wire_type.green,
+	})
+	comb.connect_neighbour({
+		target_entity = out,
+		source_wire_id = defines.circuit_connector_id.combinator_output,
+		wire = defines.wire_type.red,
+	})
+
+	map_data.to_output[comb.unit_number] = out
+	map_data.to_stop[comb.unit_number] = stop
+
+	local control = comb.get_or_create_control_behavior().parameters
+	if control.operation == OPERATION_WAGON_MANIFEST then
+		if rail then
+			update_station_from_rail(map_data, rail)
+		end
+	elseif control.operation == OPERATION_DEPOT then
+		if stop then
+			local station = map_data.stations[stop.unit_number]
+			local depot_comb = map_data.depots[stop.unit_number]
+			if depot_comb or station then
+				--NOTE: repeated combinators are ignored
+			else
+				map_data.depots[stop.unit_number] = comb
+			end
+		end
+	elseif control.operation == OPERATION_SECONDARY_IO then
+		if stop then
+			local station = map_data.stations[stop.unit_number]
+			if station and not station.entity_comb2 then
+				station.entity_comb2 = comb
+			end
+		end
+	elseif stop then
+		control.operation = OPERATION_PRIMARY_IO
+		local station = map_data.stations[stop.unit_number]
+		local depot_comb = map_data.depots[stop.unit_number]
+		if station then
+			--NOTE: repeated combinators are ignored
+		else
+			if depot_comb then
+				--NOTE: this will disrupt deliveries in progress that where dispatched from this station in a minor way
+				map_data.depots[stop.unit_number] = nil
+			end
+			--no station or depot
+			--add station
+
+			local comb2 = search_for_station_combinator(map_data, stop, OPERATION_SECONDARY_IO, nil)
+
+			station = {
+				entity_stop = stop,
+				entity_comb1 = comb,
+				entity_comb2 = comb2,
+				wagon_combs = nil,
+				deliveries_total = 0,
+				last_delivery_tick = 0,
+				priority = 0,
+				r_threshold = 0,
+				p_threshold = 0,
+				locked_slots = 0,
+				deliveries = {},
+				train_class = TRAIN_CLASS_AUTO,
+				accepted_layouts = {},
+				layout_pattern = nil,
+			}
+			map_data.stations[stop.unit_number] = station
+
+			update_station_if_auto(map_data, station)
+		end
+	end
+end
+local function on_combinator_broken(map_data, comb)
+	local out = map_data.to_output[comb.unit_number]
+	local stop = map_data.to_stop[comb.unit_number]
+
+	if stop and stop.valid then
+		local station = map_data.stations[stop.unit_number]
+		if station then
+			if station.comb1 == comb then
+				local comb1 = search_for_station_combinator(map_data, stop, OPERATION_PRIMARY_IO, comb)
+				if comb1 then
+					station.comb1 = comb1
+				else
+					on_station_broken(map_data, stop.unit_number, station)
+					map_data.depots[stop.unit_number] = search_for_station_combinator(map_data, stop, OPERATION_DEPOT, nil)
+				end
+			elseif station.comb2 == comb then
+				station.comb2 = search_for_station_combinator(map_data, stop, OPERATION_SECONDARY_IO, comb)
+			end
+		else
+			local depot_comb = map_data.depots[stop.unit_number]
+			if depot_comb == comb then
+				--NOTE: this will disrupt deliveries in progress that where dispatched from this station in a minor way
+				map_data.depots[stop.unit_number] = search_for_station_combinator(map_data, stop, OPERATION_DEPOT, comb)
+			end
+		end
+	end
+
+	if out and out.valid then
+		out.destroy()
+	end
+	map_data.to_output[comb.unit_number] = nil
+	map_data.to_stop[comb.unit_number] = nil
+end
+local function on_combinator_updated(map_data, comb)
+	--NOTE: this is the lazy way to implement updates and is not robust
+	on_combinator_broken(map_data, comb)
+	on_combinator_built(map_data, comb)
+end
+
+local function on_stop_built(map_data, stop)
+	local pos_x = stop.position.x
+	local pos_y = stop.position.y
+
+	--TODO: fix search area
+	local search_area = {
+		{pos_x + DELTA - 1, pos_y + DELTA - 1},
+		{pos_x - DELTA + 1, pos_y - DELTA + 1}
+	}
+	local comb2 = nil
+	local comb1 = nil
+	local depot_comb = nil
+	local entities = stop.surface.find_entities(search_area)
+	for _, entity in pairs(entities) do
+		if entity.valid and entity.name == COMBINATOR_NAME and map_data.to_stop[entity.unit_number] == nil then
+			map_data.to_stop[entity.unit_number] = stop
+			local control = entity.get_or_create_control_behavior().parameters
+			if control.operation == OPERATION_PRIMARY_IO then
+				comb1 = entity
+			elseif control.operation == OPERATION_SECONDARY_IO then
+				comb2 = entity
+			elseif control.operation == OPERATION_DEPOT then
+				depot_comb = entity
+			end
+		end
+	end
+	if comb1 then
+		on_station_built(map_data, stop, comb1, comb2)
+	elseif depot_comb then
+		map_data.depots[stop.unit_number] = depot_comb
+	end
+end
+local function on_stop_broken(map_data, stop)
+	local pos_x = stop.position.x
+	local pos_y = stop.position.y
+
+	--TODO: fix search area
+	local search_area = {
+		{pos_x + DELTA - 1, pos_y + DELTA - 1},
+		{pos_x - DELTA + 1, pos_y - DELTA + 1}
+	}
+	local entities = stop.surface.find_entities(search_area)
+	for _, entity in pairs(entities) do
+		if map_data.to_stop[entity.unit_number] == stop then
+			map_data.to_stop[entity.unit_number] = nil
+		end
+	end
+
+	local station = map_data.stations[stop.unit_number]
+	if station then
+		on_station_broken(map_data, stop.unit_number, station)
+	end
+	map_data.depots[stop.unit_number] = nil
+end
 local function on_station_rename(map_data, stop)
 	--search for trains coming to the renamed station
 	local station_id = stop.unit_number
@@ -193,24 +308,18 @@ local function on_station_rename(map_data, stop)
 end
 
 
-local function find_and_add_all_stations(map_data)
+local function find_and_add_all_stations_from_nothing(map_data)
 	for _, surface in pairs(game.surfaces) do
-		local stops = surface.find_entities_filtered({type="train-stop"})
+		local entities = surface.find_entities_filtered({name = COMBINATOR_NAME})
-		if stops then
+		for k, comb in pairs(entities) do
-			for k, stop in pairs(stops) do
+			if comb.valid then
-				if stop.name == BUFFER_STATION_NAME then
+				on_combinator_built(map_data, comb)
-					local station = map_data.stations[stop.unit_number]
-					if not station then
-						on_station_built(map_data, stop)
-					end
-				end
 			end
 		end
 	end
 end
 
 
-
 local function on_train_arrives_depot(map_data, train_entity)
 	local train = map_data.trains[train_entity.id]
 	if train then
@@ -251,15 +360,15 @@ local function on_train_arrives_depot(map_data, train_entity)
 			r_station_id = 0,
 			manifest = nil,
 		}
-		update_train_layout(global, train)
+		update_train_layout(map_data, train)
 		map_data.trains[train_entity.id] = train
 		map_data.trains_available[train_entity.id] = true
 		local schedule = create_depot_schedule(train.depot_name)
 		train_entity.schedule = schedule
 	end
 end
-
+local function on_train_arrives_buffer(map_data, stop, train)
-local function on_train_arrives_buffer(map_data, station_id, train)
+	local station_id = stop.unit_number
 	if train.manifest then
 		if train.status == STATUS_D_TO_P then
 			if train.p_station_id == station_id then
@@ -270,7 +379,7 @@ local function on_train_arrives_buffer(map_data, station_id, train)
 				for i, item in ipairs(train.manifest) do
 					signals[i] = {index = i, signal = {type = item.type, name = item.name}, count = item.count}
 				end
-				station.entity_out.get_control_behavior().parameters = signals
+				set_combinator_output(map_data, station.comb1, signals)
 			end
 		elseif train.status == STATUS_P_TO_R then
 			if train.r_station_id == station_id then
@@ -281,7 +390,7 @@ local function on_train_arrives_buffer(map_data, station_id, train)
 				for i, item in ipairs(train.manifest) do
 					signals[i] = {index = i, signal = {type = item.type, name = item.name}, count = -1}
 				end
-				station.entity_out.get_control_behavior().parameters = signals
+				set_combinator_output(map_data, station.comb1, signals)
 			end
 		else
 			on_failed_delivery(map_data, train)
@@ -293,31 +402,18 @@ local function on_train_arrives_buffer(map_data, station_id, train)
 		remove_train(map_data, train, train.entity.id)
 	end
 end
-
 local function on_train_leaves_station(map_data, train)
 	if train.manifest then
 		if train.status == STATUS_P then
 			train.status = STATUS_P_TO_R
 			local station = map_data.stations[train.p_station_id]
-			for i, item in ipairs(train.manifest) do
+			remove_manifest(map_data, station, train.manifest, 1)
-				station.deliveries[item.name] = station.deliveries[item.name] + item.count
+			set_combinator_output(map_data, station.comb1, nil)
-				if station.deliveries[item.name] == 0 then
-					station.deliveries[item.name] = nil
-				end
-			end
-			station.deliveries_total = station.deliveries_total - 1
-			set_station_output_empty(station)
 		elseif train.status == STATUS_R then
 			train.status = STATUS_R_TO_D
 			local station = map_data.stations[train.r_station_id]
-			for i, item in ipairs(train.manifest) do
+			remove_manifest(map_data, station, train.manifest, -1)
-				station.deliveries[item.name] = station.deliveries[item.name] - item.count
+			set_combinator_output(map_data, station.comb1, nil)
-				if station.deliveries[item.name] == 0 then
-					station.deliveries[item.name] = nil
-				end
-			end
-			station.deliveries_total = station.deliveries_total - 1
-			set_station_output_empty(station)
 		end
 	end
 end
@@ -331,7 +427,6 @@ local function on_train_broken(map_data, train)
 		end
 	end
 end
-
 local function on_train_modified(map_data, pre_train_id, train_entity)
 	local train = map_data.trains[pre_train_id]
 	if train then
@@ -347,8 +442,6 @@ local function on_train_modified(map_data, pre_train_id, train_entity)
 end
 
 
-
-
 local function on_tick(event)
 	tick(global, mod_settings)
 	global.total_ticks = global.total_ticks + 1
@@ -358,8 +451,10 @@ local function on_built(event)
 	local entity = event.entity or event.created_entity or event.destination
 	if not entity or not entity.valid then return end
 
-	if entity.name == BUFFER_STATION_NAME then
+	if entity.name == "train-stop" then
-		on_station_built(global, entity)
+		on_stop_built(global, entity)
+	elseif entity.name == COMBINATOR_NAME then
+		on_combinator_built(global, entity)
 	elseif entity.type == "inserter" then
 		update_station_from_inserter(global, entity)
 	elseif entity.type == "pump" then
@@ -377,10 +472,11 @@ local function on_broken(event)
 		if train then
 			on_train_broken(global, train)
 		end
-	elseif entity.name == BUFFER_STATION_NAME then
+	elseif entity.name == "train-stop" then
-		on_station_broken(global, entity)
+		on_stop_broken(global, entity)
+	elseif entity.name == COMBINATOR_NAME then
+		on_combinator_broken(global, entity)
 	elseif entity.type == "inserter" then
-		--NOTE: check if this works or if it needs to be delayed
 		update_station_from_inserter(global, entity)
 	elseif entity.type == "pump" then
 		update_station_from_pump(global, entity)
@@ -388,22 +484,9 @@ local function on_broken(event)
 		update_station_from_rail(global, entity)
 	end
 end
-
+local function on_rename(event)
-local function on_train_changed(event)
+	if event.entity.name == "train-stop" then
-	local train_e = event.train
+		on_station_rename(global, event.entity)
-	local train = global.trains[train_e.id]
-	if train_e.state == defines.train_state.wait_station and train_e.station ~= nil then
-		if train_e.station.name == DEPOT_STATION_NAME then
-			on_train_arrives_depot(global, train_e)
-		elseif train_e.station.name == BUFFER_STATION_NAME then
-			if train then
-				on_train_arrives_buffer(global, train_e.station.unit_number, train)
-			end
-		end
-	elseif event.old_state == defines.train_state.wait_station then
-		if train then
-			on_train_leaves_station(global, train)
-		end
 	end
 end
 
@@ -416,33 +499,48 @@ local function on_train_built(event)
 		on_train_modified(global, event.old_train_id_2, train_e)
 	end
 end
+local function on_train_changed(event)
+	local train_e = event.train
+	local train = global.trains[train_e.id]
+	if train_e.state == defines.train_state.wait_station then
+		local stop = train_e.station
+		if stop and stop.name == "train-stop" then
+			if global.stations[stop.unit_number] then
+				on_train_arrives_buffer(global, stop, train)
+			elseif global.depots[stop.unit_number] then
+				on_train_arrives_depot(global, train_e)
+			end
+		end
+	elseif event.old_state == defines.train_state.wait_station then
+		if train then
+			on_train_leaves_station(global, train)
+		end
+	end
+end
 
 local function on_surface_removed(event)
 	local surface = game.surfaces[event.surface_index]
 	if surface then
 		local train_stops = surface.find_entities_filtered({type = "train-stop"})
 		for _, entity in pairs(train_stops) do
-			if entity.name == BUFFER_STATION_NAME then
+			if entity.name == "train-stop" then
 				on_station_broken(global, entity)
 			end
 		end
 	end
 end
 
-local function on_rename(event)
-	if event.entity.name == BUFFER_STATION_NAME then
-		on_station_rename(global, event.entity)
-	end
-end
 
 local filter_built = {
 	{filter = "type", type = "train-stop"},
+	{filter = "type", type = "arithmetic-combinator"},
 	{filter = "type", type = "inserter"},
 	{filter = "type", type = "pump"},
 	{filter = "type", type = "straight-rail"},
 }
 local filter_broken = {
 	{filter = "type", type = "train-stop"},
+	{filter = "type", type = "arithmetic-combinator"},
 	{filter = "type", type = "inserter"},
 	{filter = "type", type = "pump"},
 	{filter = "type", type = "straight-rail"},
@@ -477,12 +575,12 @@ end)
 
 script.on_init(function()
 	--TODO: we are not checking changed cargo capacities
-	find_and_add_all_stations(global)
+	--find_and_add_all_stations(global)
 	register_events()
 end)
 
 script.on_configuration_changed(function(data)
 	--TODO: we are not checking changed cargo capacities
-	find_and_add_all_stations(global)
+	--find_and_add_all_stations(global)
 	register_events()
 end)

cybersyn/settings.lua

@@ -1,4 +1,4 @@
---By cybersyn
+--By Mami
 data:extend({
 	{
 		type = "int-setting",
@@ -11,7 +11,7 @@ data:extend({
 	},
 	{
 		type = "int-setting",
-		name = "cybersyn-requester-threshold",
+		name = "cybersyn-request-threshold",
 		order = "ab",
 		setting_type = "runtime-global",
 		default_value = 1000000000,
@@ -20,7 +20,7 @@ data:extend({
 	},
 	{
 		type = "int-setting",
-		name = "cybersyn-provider-threshold",
+		name = "cybersyn-provide-threshold",
 		order = "ac",
 		setting_type = "runtime-global",
 		default_value = 1000000000,