Files
project-cybersyn/cybersyn/scripts/layout.lua
2022-12-01 15:56:05 -05:00

559 lines
16 KiB
Lua

--By Mami
local area = require("__flib__.area")
local abs = math.abs
local floor = math.floor
local ceil = math.ceil
local string_find = string.find
local string_sub = string.sub
local function table_compare(t0, t1)
if #t0 ~= #t1 then
return false
end
for i = 0, #t0 do
if t0[i] ~= t1[i] then
return false
end
end
return true
end
local function iterr(a, i)
i = i + 1
if i <= #a then
return i, a[#a - i + 1]
end
end
local function irpairs(a)
return iterr, a, 0
end
local function is_layout_accepted(layout_pattern, layout)
local valid = true
for i, v in ipairs(layout) do
local p = layout_pattern[i] or 0
if (v == 0 and p == 2) or (v == 1 and (p == 0 or p == 2)) or (v == 2 and (p == 0 or p == 1)) then
valid = false
break
end
end
if valid or not layout[0] then return valid end
for i, v in irpairs(layout) do
local p = layout_pattern[i] or 0
if (v == 0 and p == 2) or (v == 1 and (p == 0 or p == 2)) or (v == 2 and (p == 0 or p == 1)) then
valid = false
break
end
end
return valid
end
---@param map_data MapData
---@param train_id uint
---@param train Train
function remove_train(map_data, train_id, train)
local parked_at_depot_id = train.parked_at_depot_id
if parked_at_depot_id then
local depot = map_data.depots[parked_at_depot_id]
depot.available_train_id = nil
end
remove_available_train(map_data, train_id, train)
local layout_id = train.layout_id
local count = map_data.layout_train_count[layout_id]
if count <= 1 then
map_data.layout_train_count[layout_id] = nil
map_data.layouts[layout_id] = nil
for station_id, station in pairs(map_data.stations) do
station.accepted_layouts[layout_id] = nil
end
else
map_data.layout_train_count[layout_id] = count - 1
end
map_data.trains[train_id] = nil
end
---@param map_data MapData
---@param train Train
function update_train_layout(map_data, train)
local carriages = train.entity.carriages
local layout = {}
local i = 1
local item_slot_capacity = 0
local fluid_capacity = 0
for _, carriage in pairs(carriages) do
if carriage.type == "cargo-wagon" then
layout[#layout + 1] = 1
local inv = carriage.get_inventory(defines.inventory.cargo_wagon)
item_slot_capacity = item_slot_capacity + #inv
elseif carriage.type == "fluid-wagon" then
layout[#layout + 1] = 2
fluid_capacity = fluid_capacity + carriage.prototype.fluid_capacity
else
layout[#layout + 1] = 0
end
i = i + 1
end
local back_movers = train.entity.locomotives["back_movers"]
if #back_movers > 0 then
--mark the layout as reversible
layout[0] = true
end
local layout_id = 0
for id, cur_layout in pairs(map_data.layouts) do
if table_compare(layout, cur_layout) then
layout = cur_layout
layout_id = id
break
end
end
if layout_id == 0 then
--define new layout
layout_id = map_data.layout_top_id
map_data.layout_top_id = map_data.layout_top_id + 1
map_data.layouts[layout_id] = layout
map_data.layout_train_count[layout_id] = 1
for _, station in pairs(map_data.stations) do
if station.layout_pattern then
station.accepted_layouts[layout_id] = is_layout_accepted(station.layout_pattern, layout) or nil
end
end
else
map_data.layout_train_count[layout_id] = map_data.layout_train_count[layout_id] + 1
end
train.layout_id = layout_id
train.item_slot_capacity = item_slot_capacity
train.fluid_capacity = fluid_capacity
end
---@param stop LuaEntity
---@param train LuaTrain
local function get_train_direction(stop, train)
local back_rail = train.back_rail
if back_rail then
local back_pos = back_rail.position
local stop_pos = stop.position
if abs(back_pos.x - stop_pos.x) < 3 and abs(back_pos.y - stop_pos.y) < 3 then
return true
end
end
return false
end
---@param map_data MapData
---@param station Station
---@param train Train
function set_p_wagon_combs(map_data, station, train)
if not station.wagon_combs or not next(station.wagon_combs) then return end
local carriages = train.entity.carriages
local manifest = train.manifest
local is_reversed = get_train_direction(station.entity_stop, train.entity)
local item_i = 1
local item = manifest[item_i]
local item_count = item.count
local fluid_i = 1
local fluid = manifest[fluid_i]
local fluid_count = fluid.count
local ivpairs = is_reversed and irpairs or ipairs
for carriage_i, carriage in ivpairs(carriages) do
--NOTE: we are not checking valid
---@type LuaEntity?
local comb = station.wagon_combs[carriage_i]
if comb and not comb.valid then
comb = nil
station.wagon_combs[carriage_i] = nil
if next(station.wagon_combs) == nil then
station.wagon_combs = nil
break
end
end
if carriage.type == "cargo-wagon" and item_i <= #manifest then
local signals = {}
local inv = carriage.get_inventory(defines.inventory.cargo_wagon)
if inv then
local inv_filter_i = 1
local item_slots_capacity = #inv - station.locked_slots
while item_slots_capacity > 0 do
local do_inc = false
if item.type == "item" then
local stack_size = game.item_prototypes[item.name].stack_size
local item_slots = ceil(item_count/stack_size)
local i = #signals + 1
local slots_to_filter
if item_slots > item_slots_capacity then
if comb then
signals[i] = {index = i, signal = {type = item.type, name = item.name}, count = item_slots_capacity*stack_size}
end
item_slots_capacity = 0
item_count = item_count - item_slots_capacity*stack_size
slots_to_filter = item_slots_capacity
else
if comb then
signals[i] = {index = i, signal = {type = item.type, name = item.name}, count = item_count}
end
item_slots_capacity = item_slots_capacity - item_slots
do_inc = true
slots_to_filter = item_slots
end
for j = 1, slots_to_filter do
inv.set_filter(inv_filter_i, item.name)
inv_filter_i = inv_filter_i + 1
end
train.has_filtered_wagon = true
else
do_inc = true
end
if do_inc then
item_i = item_i + 1
if item_i <= #manifest then
item = manifest[item_i]
item_count = item.count
else
break
end
end
end
if comb then
set_combinator_output(map_data, comb, signals)
end
end
elseif carriage.type == "fluid-wagon" and fluid_i <= #manifest then
local fluid_capacity = carriage.prototype.fluid_capacity
local signals = {}
while fluid_capacity > 0 do
local do_inc = false
if fluid.type == "fluid" then
if fluid_count > fluid_capacity then
if comb then
signals[1] = {index = 1, signal = {type = fluid.type, name = fluid.name}, count = fluid_capacity}
end
fluid_capacity = 0
fluid_count = fluid_count - fluid_capacity
else
if comb then
signals[1] = {index = 1, signal = {type = fluid.type, name = fluid.name}, count = item_count}
end
fluid_capacity = fluid_capacity - fluid_count
fluid_i = fluid_i + 1
if fluid_i <= #manifest then
fluid = manifest[fluid_i]
fluid_count = fluid.count
end
end
break
else
fluid_i = fluid_i + 1
if fluid_i <= #manifest then
fluid = manifest[fluid_i]
fluid_count = fluid.count
end
end
end
if comb then
set_combinator_output(map_data, comb, signals)
end
end
end
end
---@param map_data MapData
---@param station Station
---@param train Train
function set_r_wagon_combs(map_data, station, train)
if not station.wagon_combs then return end
local carriages = train.entity.carriages
local is_reversed = get_train_direction(station.entity_stop, train.entity)
local ivpairs = is_reversed and irpairs or ipairs
for carriage_i, carriage in ivpairs(carriages) do
---@type LuaEntity?
local comb = station.wagon_combs[carriage_i]
if comb and not comb.valid then
comb = nil
station.wagon_combs[carriage_i] = nil
if next(station.wagon_combs) == nil then
station.wagon_combs = nil
break
end
end
if comb and carriage.type == "cargo-wagon" then
local inv = carriage.get_inventory(defines.inventory.cargo_wagon)
if inv then
local signals = {}
for stack_i = 1, #inv do
local stack = inv[stack_i]
if stack.valid_for_read then
local i = #signals + 1
signals[i] = {index = i, signal = {type = stack.type, name = stack.name}, count = -stack.count}
end
end
set_combinator_output(map_data, comb, signals)
end
elseif comb and carriage.type == "fluid-wagon" then
local signals = {}
local inv = carriage.get_fluid_contents()
for fluid_name, count in pairs(inv) do
local i = #signals + 1
signals[i] = {index = i, signal = {type = "fluid", name = fluid_name}, count = -floor(count)}
end
set_combinator_output(map_data, comb, signals)
end
end
end
---@param map_data MapData
---@param station Station
function unset_wagon_combs(map_data, station)
if not station.wagon_combs then return end
for i, comb in pairs(station.wagon_combs) do
if comb.valid then
set_combinator_output(map_data, comb, nil)
else
station.wagon_combs[i] = nil
end
end
if next(station.wagon_combs) == nil then
station.wagon_combs = nil
end
end
---@param map_data MapData
---@param station Station
---@param forbidden_entity LuaEntity?
function reset_station_layout(map_data, station, forbidden_entity)
--NOTE: station must be in auto mode
local station_rail = station.entity_stop.connected_rail
if station_rail == nil then
--cannot accept deliveries
station.layout_pattern = nil
station.accepted_layouts = {}
return
end
local rail_direction_from_station
if station.entity_stop.connected_rail_direction == defines.rail_direction.front then
rail_direction_from_station = defines.rail_direction.back
else
rail_direction_from_station = defines.rail_direction.front
end
local station_direction = station.entity_stop.direction
local surface = station.entity_stop.surface
local middle_x = station_rail.position.x
local middle_y = station_rail.position.y
local reach = LONGEST_INSERTER_REACH + 1
local search_area
local area_delta
local is_ver
if station_direction == defines.direction.north then
search_area = {left_top = {x = middle_x - reach, y = middle_y}, right_bottom = {x = middle_x + reach, y = middle_y + 6}}
area_delta = {x = 0, y = 7}
is_ver = true
elseif station_direction == defines.direction.east then
search_area = {left_top = {y = middle_y - reach, x = middle_x - 6}, right_bottom = {y = middle_y + reach, x = middle_x}}
area_delta = {x = -7, y = 0}
is_ver = false
elseif station_direction == defines.direction.south then
search_area = {left_top = {x = middle_x - reach, y = middle_y - 6}, right_bottom = {x = middle_x + reach, y = middle_y}}
area_delta = {x = 0, y = -7}
is_ver = true
elseif station_direction == defines.direction.west then
search_area = {left_top = {y = middle_y - reach, x = middle_x}, right_bottom = {y = middle_y + reach, x = middle_x + 6}}
area_delta = {x = 7, y = 0}
is_ver = false
else
assert(false, "cybersyn: invalid station direction")
end
local length = 2
local pre_rail = station_rail
local layout_pattern = {0}
local type_filter = {"inserter", "pump", "arithmetic-combinator"}
local wagon_number = 0
for i = 1, 112 do
local rail, rail_direction, rail_connection_direction = pre_rail.get_connected_rail({rail_direction = rail_direction_from_station, rail_connection_direction = defines.rail_connection_direction.straight})
if not rail or rail_connection_direction ~= defines.rail_connection_direction.straight or not rail.valid then
is_break = true
break
end
pre_rail = rail
length = length + 2
if length%7 <= 1 then
wagon_number = wagon_number + 1
local supports_cargo = false
local supports_fluid = false
local entities = surface.find_entities_filtered({
area = search_area,
type = type_filter,
})
for _, entity in pairs(entities) do
if entity.valid and entity ~= forbidden_entity then
if entity.type == "inserter" then
if not supports_cargo then
local pos = entity.pickup_position
local is_there
if is_ver then
is_there = middle_x - 1 <= pos.x and pos.x <= middle_x + 1
else
is_there = middle_y - 1 <= pos.y and pos.y <= middle_y + 1
end
if is_there then
supports_cargo = true
else
pos = entity.drop_position
if is_ver then
is_there = middle_x - 1 <= pos.x and pos.x <= middle_x + 1
else
is_there = middle_y - 1 <= pos.y and pos.y <= middle_y + 1
end
if is_there then
supports_cargo = true
end
end
end
elseif entity.type == "pump" then
if not supports_fluid and entity.pump_rail_target then
local direction = entity.direction
if is_ver then
if direction == defines.direction.east or direction == defines.direction.west then
supports_fluid = true
end
elseif direction == defines.direction.north or direction == defines.direction.south then
supports_fluid = true
end
end
elseif entity.name == COMBINATOR_NAME then
local param = map_data.to_comb_params[entity.unit_number]
if param.operation == OPERATION_WAGON_MANIFEST then
local pos = entity.position
local is_there
if is_ver then
is_there = middle_x - 2.1 <= pos.x and pos.x <= middle_x + 2.1
else
is_there = middle_y - 2.1 <= pos.y and pos.y <= middle_y + 2.1
end
if is_there then
if not station.wagon_combs then
station.wagon_combs = {}
end
station.wagon_combs[wagon_number] = entity
end
end
end
end
end
if supports_cargo then
if supports_fluid then
layout_pattern[wagon_number] = 3
else
layout_pattern[wagon_number] = 1
end
elseif supports_fluid then
layout_pattern[wagon_number] = 2
else
--layout_pattern[wagon_number] = nil
end
search_area = area.move(search_area, area_delta)
end
end
station.layout_pattern = layout_pattern
for id, layout in pairs(map_data.layouts) do
station.accepted_layouts[id] = is_layout_accepted(layout_pattern, layout) or nil
end
end
---@param map_data MapData
---@param station Station
---@param forbidden_entity LuaEntity?
function update_station_if_auto(map_data, station, forbidden_entity)
if not station.allows_all_trains then
reset_station_layout(map_data, station, forbidden_entity)
end
end
---@param map_data MapData
---@param rail LuaEntity
---@param forbidden_entity LuaEntity?
---@param force boolean?
function update_station_from_rail(map_data, rail, forbidden_entity, force)
--NOTE: is this a correct way to figure out the direction?
---@type defines.rail_direction
local rail_direction = defines.rail_direction.back
local entity = rail.get_rail_segment_entity(rail_direction, false)
if not entity then
rail_direction = defines.rail_direction.front
entity = rail.get_rail_segment_entity(rail_direction, false)
end
for i = 1, 112 do
if not entity or not entity.valid then
return
end
if entity.name == "train-stop" then
local station = map_data.stations[entity.unit_number]
if station then
if force then
reset_station_layout(map_data, station, forbidden_entity)
else
update_station_if_auto(map_data, station, forbidden_entity)
end
end
return
end
rail = rail.get_connected_rail({rail_direction = rail_direction, rail_connection_direction = defines.rail_connection_direction.straight})--[[@as LuaEntity]]
if not rail or not rail.valid then
return
end
entity = rail.get_rail_segment_entity(rail_direction, false)
end
end
---@param map_data MapData
---@param pump LuaEntity
---@param forbidden_entity LuaEntity?
function update_station_from_pump(map_data, pump, forbidden_entity)
if pump.pump_rail_target then
update_station_from_rail(map_data, pump.pump_rail_target, forbidden_entity)
end
end
---@param map_data MapData
---@param inserter LuaEntity
---@param forbidden_entity LuaEntity?
function update_station_from_inserter(map_data, inserter, forbidden_entity)
local surface = inserter.surface
--NOTE: we don't use find_entity solely for miniloader compat
local rails = surface.find_entities_filtered({
type = "straight-rail",
position = inserter.pickup_position,
radius = 1,
})
if rails[1] then
update_station_from_rail(map_data, rails[1], forbidden_entity)
end
rails = surface.find_entities_filtered({
type = "straight-rail",
position = inserter.drop_position,
radius = 1,
})
if rails[1] then
update_station_from_rail(map_data, rails[1], forbidden_entity)
end
end