--[[-- info Provides the ability to create a pre-configured starting zone. ]] -- dependencies local Event = require 'utils.event' local Token = require 'utils.token' local Template = require 'map_gen.Diggy.Template' local Retailer = require 'features.retailer' local DiggyCaveCollapse = require 'map_gen.Diggy.Feature.DiggyCaveCollapse' local insert = table.insert local random = math.random local sqrt = math.sqrt local floor = math.floor local pairs = pairs local raise_event = script.raise_event -- this local StartingZone = {} --[[-- Registers all event handlers. ]] function StartingZone.register(config) local callback_token local starting_zone_size = config.starting_size local function on_chunk_generated(event) local start_point_area = {{-0.9, -0.9}, {0.9, 0.9}} local start_point_cleanup = {{-0.9, -0.9}, {1.9, 1.9}} local surface = event.surface -- hack to figure out whether the important chunks are generated via Diggy.Feature.RefreshMap. if (4 ~= surface.count_tiles_filtered({start_point_area, name = 'lab-dark-1'})) then return end -- ensure a clean starting point for _, entity in pairs(surface.find_entities_filtered({area = start_point_cleanup, type = 'resource'})) do entity.destroy() end local tiles = {} local rocks = {} local dirt_range = floor(starting_zone_size * 0.5) local rock_range = starting_zone_size - 2 local stress_hack = floor(starting_zone_size * 0.1) for x = -starting_zone_size, starting_zone_size do for y = -starting_zone_size, starting_zone_size do local distance = floor(sqrt(x * x + y * y)) if (distance < starting_zone_size) then if (distance > dirt_range) then insert(tiles, {name = 'dirt-' .. random(1, 7), position = {x = x, y = y}}) else insert(tiles, {name = 'stone-path', position = {x = x, y = y}}) end if (distance > rock_range) then insert(rocks, {name = 'rock-big', position = {x = x, y = y}}) end -- hack to avoid starting area from collapsing if (distance > stress_hack) then DiggyCaveCollapse.stress_map_add(surface, {x = x, y = y}, -0.5) end end end end Template.insert(surface, tiles, rocks) local position = config.market_spawn_position; local player_force = game.forces.player; local market = surface.create_entity({name = 'market', position = position}) market.destructible = false Retailer.set_market_group_label('player', 'Diggy Market') Retailer.add_market('player', market) player_force.add_chart_tag(surface, { text = 'Market', position = position, }) raise_event(Template.events.on_placed_entity, {entity = market}) Event.remove_removable(defines.events.on_chunk_generated, callback_token) end callback_token = Token.register(on_chunk_generated) Event.add_removable(defines.events.on_chunk_generated, callback_token) end return StartingZone