2018-09-08 18:29:27 +02:00
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--[[-- info
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Provides the ability to create a pre-configured starting zone.
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]]
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-- dependencies
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local Event = require 'utils.event'
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local Token = require 'utils.global_token'
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2018-09-14 22:12:55 +02:00
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local Template = require 'map_gen.Diggy.Template'
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2018-09-26 22:15:39 +02:00
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local Debug = require 'map_gen.Diggy.Debug'
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2018-10-07 13:50:25 +02:00
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local DiggyCaveCollapse = require 'map_gen.Diggy.Feature.DiggyCaveCollapse'
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2018-10-11 19:43:04 +02:00
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local insert = table.insert
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local random = math.random
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local sqrt = math.sqrt
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local floor = math.floor
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2018-09-08 18:29:27 +02:00
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-- this
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local StartingZone = {}
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--[[--
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Registers all event handlers.
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]]
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function StartingZone.register(config)
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local callback_token
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2018-10-07 17:05:59 +02:00
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local starting_zone_size = config.starting_size
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2018-09-08 18:29:27 +02:00
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local function on_chunk_generated(event)
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2018-10-13 00:21:20 +02:00
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local start_point_area = {{-0.9, -0.9}, {0.9, 0.9}}
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2018-10-21 20:15:39 +02:00
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local start_point_cleanup = {{-0.9, -0.9}, {1.9, 1.9}}
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2018-10-11 22:17:25 +02:00
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local surface = event.surface
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2018-09-14 21:42:58 +02:00
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-- hack to figure out whether the important chunks are generated via Diggy.Feature.RefreshMap.
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2018-10-11 22:17:25 +02:00
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if (4 ~= surface.count_tiles_filtered({start_point_area, name = 'lab-dark-1'})) then
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2018-09-08 18:29:27 +02:00
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return
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end
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2018-09-14 21:42:58 +02:00
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-- ensure a clean starting point
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2018-10-21 20:15:39 +02:00
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for _, entity in pairs(surface.find_entities_filtered({area = start_point_cleanup, type = 'resource'})) do
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2018-09-30 16:46:03 +02:00
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entity.destroy()
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2018-09-14 21:42:58 +02:00
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end
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2018-09-08 18:29:27 +02:00
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local tiles = {}
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local rocks = {}
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2018-10-17 20:50:07 +02:00
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local dirt_range = floor(starting_zone_size / 2)
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local rock_range = starting_zone_size - 2
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local stress_hack = floor(starting_zone_size / 10)
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2018-10-07 13:50:25 +02:00
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for x = -starting_zone_size, starting_zone_size do
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for y = -starting_zone_size, starting_zone_size do
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2018-10-11 19:43:04 +02:00
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local distance = floor(sqrt(x * x + y * y))
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2018-10-07 13:50:25 +02:00
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if (distance < starting_zone_size) then
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2018-10-17 20:50:07 +02:00
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if (distance > dirt_range) then
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2018-10-11 19:43:04 +02:00
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insert(tiles, {name = 'dirt-' .. random(1, 7), position = {x = x, y = y}})
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2018-10-07 13:50:25 +02:00
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else
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2018-10-11 19:43:04 +02:00
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insert(tiles, {name = 'stone-path', position = {x = x, y = y}})
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2018-10-07 13:50:25 +02:00
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end
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2018-10-17 20:50:07 +02:00
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if (distance > rock_range) then
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2018-10-11 19:43:04 +02:00
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insert(rocks, {name = 'sand-rock-big', position = {x = x, y = y}})
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2018-10-07 13:50:25 +02:00
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end
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-- hack to avoid starting area from collapsing
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2018-10-17 20:50:07 +02:00
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if (distance > stress_hack) then
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DiggyCaveCollapse.stress_map_add(surface, {x = x, y = y}, -0.5)
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2018-10-07 13:50:25 +02:00
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end
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end
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2018-09-08 18:29:27 +02:00
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end
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2018-10-07 13:50:25 +02:00
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end
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2018-09-08 18:29:27 +02:00
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2018-09-13 23:07:38 +02:00
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Template.insert(event.surface, tiles, rocks)
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2018-09-08 18:29:27 +02:00
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Event.remove_removable(defines.events.on_chunk_generated, callback_token)
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end
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callback_token = Token.register(on_chunk_generated)
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Event.add_removable(defines.events.on_chunk_generated, callback_token)
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2018-10-07 13:50:25 +02:00
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end
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2018-09-08 18:29:27 +02:00
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2018-10-07 17:37:29 +02:00
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function StartingZone.on_init()
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local surface = game.surfaces.nauvis
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2018-10-10 23:05:48 +02:00
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surface.daytime = 0.5
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2018-10-07 17:37:29 +02:00
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surface.freeze_daytime = 1
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2018-10-21 20:15:39 +02:00
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-- base factorio = pollution_factor = 0.000015
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game.map_settings.enemy_evolution.pollution_factor = 0.000002
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2018-10-07 17:37:29 +02:00
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end
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2018-09-08 18:29:27 +02:00
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return StartingZone
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