2018-09-08 18:29:27 +02:00
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--[[-- info
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Provides the ability to collapse caves when digging.
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]]
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-- dependencies
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require 'utils.list_utils'
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local Event = require 'utils.event'
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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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2018-10-07 13:50:25 +02:00
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local Debug = require 'map_gen.Diggy.Debug'
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2018-09-20 20:04:24 +02:00
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local Task = require 'utils.Task'
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local Token = require 'utils.global_token'
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2018-10-10 23:05:48 +02:00
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local Global = require 'utils.global'
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2018-09-08 18:29:27 +02:00
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-- this
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local DiggyCaveCollapse = {}
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2018-09-20 20:04:24 +02:00
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local config = {}
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2018-09-20 17:34:17 +02:00
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2018-10-07 13:50:25 +02:00
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local n = 9
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local radius = 0
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local radius_sq = 0
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local center_radius_sq = 0
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local disc_radius_sq = 0
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local center_weight
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local disc_weight
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local ring_weight
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local disc_blur_sum = 0
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local center_value = 0
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local disc_value = 0
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local ring_value = 0
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local enable_stress_grid = 0
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2018-10-10 23:05:48 +02:00
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local stress_map_blur_add
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local mask_disc_blur
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local stress_map_check_stress_in_threshold
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local support_beam_entities
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local on_surface_created
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2018-10-07 20:51:07 +02:00
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local stress_threshold_causing_collapse = 0.9
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2018-10-10 23:05:48 +02:00
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local deconstruction_alert_message_shown = {}
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local stress_map_storage = {}
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local new_tile_map = {}
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2018-10-08 22:57:29 +02:00
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2018-10-10 23:05:48 +02:00
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Global.register({
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new_tile_map = new_tile_map,
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stress_map_storage = stress_map_storage,
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deconstruction_alert_message_shown = deconstruction_alert_message_shown,
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}, function(tbl)
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new_tile_map = tbl.new_tile_map
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stress_map_storage = tbl.stress_map_storage
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deconstruction_alert_message_shown = tbl.deconstruction_alert_message_shown
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end)
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2018-10-07 20:51:07 +02:00
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local defaultValue = 0
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2018-10-07 13:50:25 +02:00
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2018-09-20 17:34:17 +02:00
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DiggyCaveCollapse.events = {
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--[[--
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When stress at certain position is above the collapse threshold
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- position LuaPosition
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- surface LuaSurface
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]]
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on_collapse_triggered = script.generate_event_name()
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}
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local function create_collapse_template(positions, surface)
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local entities = {}
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local tiles = {}
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2018-10-07 13:50:25 +02:00
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local map = {}
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2018-09-20 17:34:17 +02:00
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for _, position in pairs(positions) do
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2018-10-07 13:50:25 +02:00
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map[position.x] = map[position.x] or {}
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map[position.x][position.y] = map[position.x][position.y] or true
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2018-09-20 17:34:17 +02:00
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table.insert(tiles, {position = {x = position.x, y = position.y}, name = 'out-of-map'})
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end
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2018-10-07 13:50:25 +02:00
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for x, y_tbl in pairs(map) do
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for y, _ in pairs(y_tbl) do
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if not map[x] or not map[x][y - 1] then
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table.insert(entities, {position = {x = x, y = y - 1}, name = 'sand-rock-big'})
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end
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if not map[x] or not map[x][y + 1] then
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table.insert(entities, {position = {x = x, y = y + 1}, name = 'sand-rock-big'})
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end
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if not map[x - 1] or not map[x - 1][y] then
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table.insert(entities, {position = {x = x - 1, y = y}, name = 'sand-rock-big'})
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end
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if not map[x + 1] or not map[x + 1][y] then
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table.insert(entities, {position = {x = x + 1, y = y}, name = 'sand-rock-big'})
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end
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end
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end
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2018-09-20 17:34:17 +02:00
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for _, new_spawn in pairs({entities, tiles}) do
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for _, tile in pairs(new_spawn) do
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for _, entity in pairs(surface.find_entities_filtered({position = tile.position})) do
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2018-10-09 15:50:42 +02:00
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pcall(function()
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local strength = support_beam_entities[entity.name]
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local position = entity.position
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local surface = entity.surface
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entity.die()
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if strength then
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stress_map_blur_add(surface, position, strength)
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end
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end)
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2018-09-20 17:34:17 +02:00
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end
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end
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end
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2018-10-07 13:50:25 +02:00
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return tiles, entities
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2018-09-20 17:34:17 +02:00
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end
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2018-09-12 23:13:54 +02:00
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2018-10-07 17:05:59 +02:00
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local function collapse(args)
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2018-10-07 13:50:25 +02:00
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local position = args.position
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local surface = args.surface
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2018-09-30 21:55:29 +02:00
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local positions = {}
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2018-10-07 20:51:07 +02:00
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local tiles = {}
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local entities = nil
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2018-10-07 13:50:25 +02:00
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mask_disc_blur(
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2018-10-07 20:51:07 +02:00
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position.x, position.y,
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2018-10-07 13:50:25 +02:00
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config.collapse_threshold_total_strength,
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function(x, y, value)
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stress_map_check_stress_in_threshold(
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surface,
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{x = x, y = y},
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value,
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function(_, position)
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table.insert(positions, position)
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end
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)
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end
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)
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2018-10-07 20:51:07 +02:00
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tiles, entities = create_collapse_template(positions, surface)
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2018-09-20 17:34:17 +02:00
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Template.insert(surface, tiles, entities)
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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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local on_collapse_timeout_finished = Token.register(collapse)
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2018-09-20 20:04:24 +02:00
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2018-10-07 13:50:25 +02:00
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local function spawn_cracking_sound_text(surface, position)
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2018-09-21 11:44:40 +02:00
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local text = config.cracking_sounds[math.random(1, #config.cracking_sounds)]
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local color = {
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2018-09-26 22:15:39 +02:00
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r = 1,
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g = math.random(1, 100) / 100,
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b = 0
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2018-09-21 11:44:40 +02:00
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}
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for i = 1, #text do
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2018-10-07 13:50:25 +02:00
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local x_offset = (i - #text / 2 - 1) / 3
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local char = text:sub(i, i)
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surface.create_entity {
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name = 'flying-text',
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color = color,
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text = char,
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position = {x = position.x + x_offset, y = position.y - ((i + 1) % 2) / 4}
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}.active = true
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end
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end
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local function on_collapse_triggered(event)
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2018-10-07 20:51:07 +02:00
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local position = event.position
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local x = position.x
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local y = position.y
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local x_t = new_tile_map[x]
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if x_t and x_t[y] then
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Template.insert(event.surface, {}, {{position = position, name = 'sand-rock-big'}})
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else
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spawn_cracking_sound_text(event.surface, position)
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Task.set_timeout(
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2018-10-07 21:02:30 +02:00
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config.collapse_delay,
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2018-10-07 20:51:07 +02:00
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on_collapse_timeout_finished,
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{surface = event.surface, position = position}
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)
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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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2018-10-07 19:40:30 +02:00
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local function on_built_tile(surface, new_tile, tiles)
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local new_tile_strength = support_beam_entities[new_tile.name]
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2018-10-07 13:50:25 +02:00
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2018-10-07 19:40:30 +02:00
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for _, tile in pairs(tiles) do
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if new_tile_strength then
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stress_map_blur_add(surface, tile.position, -1 * new_tile_strength, 'on_built_tile')
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end
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local old_tile_strength = support_beam_entities[tile.old_tile.name]
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if (old_tile_strength) then
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stress_map_blur_add(surface, tile.position, old_tile_strength, 'on_built_tile')
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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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end
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local function on_robot_mined_tile(event)
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for _, tile in pairs(event.tiles) do
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local strength = support_beam_entities[tile.old_tile.name]
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if strength then
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2018-10-07 20:51:07 +02:00
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stress_map_blur_add(event.robot.surface, tile.position, strength)
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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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end
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local function on_player_mined_tile(event)
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local surface = game.surfaces[event.surface_index]
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for _, tile in pairs(event.tiles) do
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local strength = support_beam_entities[tile.old_tile.name]
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if strength then
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2018-10-07 20:51:07 +02:00
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stress_map_blur_add(surface, tile.position, strength)
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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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end
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local function on_mined_entity(event)
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local strength = support_beam_entities[event.entity.name]
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if strength then
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2018-10-07 20:51:07 +02:00
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stress_map_blur_add(event.entity.surface, event.entity.position, strength)
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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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local function on_built_entity(event)
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local strength = support_beam_entities[event.created_entity.name]
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if strength then
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stress_map_blur_add(
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event.created_entity.surface,
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event.created_entity.position,
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-1 * strength,
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'on_built_entity'
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)
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end
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end
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local function on_placed_entity(event)
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local strength = support_beam_entities[event.entity.name]
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if strength then
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2018-10-07 20:51:07 +02:00
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stress_map_blur_add(event.entity.surface, event.entity.position, -1 * strength)
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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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2018-10-07 20:51:07 +02:00
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local on_new_tile_timeout_finished = Token.register(function(args)
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local x_t = new_tile_map[args.x]
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if x_t then
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x_t[args.y] = nil --reset new tile status. This tile can cause a chain collapse now
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end
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end)
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2018-10-07 13:50:25 +02:00
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local function on_void_removed(event)
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local strength = support_beam_entities['out-of-map']
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2018-10-07 20:51:07 +02:00
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local position = event.old_tile.position
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2018-10-07 13:50:25 +02:00
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if strength then
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2018-10-07 20:51:07 +02:00
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stress_map_blur_add(event.surface, position, strength)
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2018-10-07 13:50:25 +02:00
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end
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2018-10-07 20:51:07 +02:00
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local x = position.x
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local y = position.y
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--To avoid room collapse:
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local x_t = new_tile_map[x]
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if x_t then
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x_t[y] = true
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else
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x_t = {
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[y] = true
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}
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new_tile_map[x] = x_t
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end
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2018-10-08 20:40:32 +02:00
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Task.set_timeout(3, on_new_tile_timeout_finished, {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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local function on_void_added(event)
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local strength = support_beam_entities['out-of-map']
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if strength then
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2018-10-07 20:51:07 +02:00
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stress_map_blur_add(event.surface, event.old_tile.position, -1 * strength)
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2018-09-21 11:44:40 +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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--[[--
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Registers all event handlers.]
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2018-09-21 11:44:40 +02:00
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@param global_config Table {@see Diggy.Config}.
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2018-09-08 18:29:27 +02:00
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]]
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2018-10-07 17:05:59 +02:00
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function DiggyCaveCollapse.register(cfg)
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config = cfg
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2018-10-07 13:50:25 +02:00
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support_beam_entities = config.support_beam_entities
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Event.add(DiggyCaveCollapse.events.on_collapse_triggered, on_collapse_triggered)
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Event.add(defines.events.on_robot_built_entity, on_built_entity)
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2018-10-07 19:40:30 +02:00
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Event.add(defines.events.on_robot_built_tile, function (event)
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on_built_tile(event.robot.surface, event.item, event.tiles)
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end)
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Event.add(defines.events.on_player_built_tile, function (event)
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on_built_tile(game.surfaces[event.surface_index], event.item, event.tiles)
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end)
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2018-10-07 13:50:25 +02:00
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Event.add(defines.events.on_robot_mined_tile, on_robot_mined_tile)
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Event.add(defines.events.on_player_mined_tile, on_player_mined_tile)
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Event.add(defines.events.on_robot_mined_entity, on_mined_entity)
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Event.add(defines.events.on_built_entity, on_built_entity)
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Event.add(Template.events.on_placed_entity, on_placed_entity)
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Event.add(defines.events.on_entity_died, on_mined_entity)
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Event.add(defines.events.on_player_mined_entity, on_mined_entity)
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Event.add(Template.events.on_void_removed, on_void_removed)
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Event.add(Template.events.on_void_added, on_void_added)
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2018-10-07 20:51:07 +02:00
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Event.add(defines.events.on_surface_created, on_surface_created)
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2018-10-07 13:50:25 +02:00
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2018-10-08 22:13:45 +02:00
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Event.add(defines.events.on_marked_for_deconstruction, function (event)
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if (nil ~= support_beam_entities[event.entity.name]) then
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event.entity.cancel_deconstruction(game.players[event.player_index].force)
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end
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end)
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|
|
|
2018-10-08 22:57:29 +02:00
|
|
|
Event.add(defines.events.on_pre_player_mined_item, function(event)
|
|
|
|
if (nil ~= deconstruction_alert_message_shown[event.player_index]) then
|
|
|
|
return
|
|
|
|
end
|
|
|
|
|
|
|
|
if (nil ~= support_beam_entities[event.entity.name]) then
|
|
|
|
require 'popup'.player(
|
|
|
|
game.players[event.player_index],
|
|
|
|
'Mining entities such as walls, stone paths, concrete and rocks, can cause a cave-in, be careful miner!'
|
|
|
|
)
|
|
|
|
deconstruction_alert_message_shown[event.player_index] = true
|
|
|
|
end
|
|
|
|
end)
|
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
enable_stress_grid = config.enable_stress_grid
|
|
|
|
|
2018-10-07 20:51:07 +02:00
|
|
|
on_surface_created({surface_index = 1})
|
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
mask_init(config)
|
|
|
|
if (config.enable_mask_debug) then
|
|
|
|
local surface = game.surfaces.nauvis
|
2018-10-07 20:51:07 +02:00
|
|
|
mask_disc_blur(0, 0, 10, function(x, y, fraction)
|
2018-10-08 22:57:29 +02:00
|
|
|
Debug.print_grid_value(fraction, surface, {x = x, y = y})
|
|
|
|
end)
|
2018-09-25 21:34:36 +02:00
|
|
|
end
|
2018-10-07 13:50:25 +02:00
|
|
|
end
|
2018-09-25 21:34:36 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
--
|
|
|
|
--STRESS MAP
|
|
|
|
--
|
|
|
|
--[[--
|
|
|
|
Adds a fraction to a given location on the stress_map. Returns the new
|
|
|
|
fraction value of that position.
|
2018-09-08 18:29:27 +02:00
|
|
|
|
2018-10-07 20:51:07 +02:00
|
|
|
@param stress_map Table of {x,y}
|
2018-10-07 13:50:25 +02:00
|
|
|
@param position Table with x and y
|
|
|
|
@param number fraction
|
2018-09-08 18:29:27 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
@return number sum of old fraction + new fraction
|
|
|
|
]]
|
2018-10-09 01:26:24 +02:00
|
|
|
function add_fraction(stress_map, x, y, fraction)
|
2018-10-07 13:50:25 +02:00
|
|
|
local quadrant = 1
|
|
|
|
if x < 0 then
|
|
|
|
quadrant = quadrant + 1
|
|
|
|
x = -x
|
|
|
|
end
|
|
|
|
if y < 0 then
|
|
|
|
quadrant = quadrant + 2
|
|
|
|
y = -y
|
|
|
|
end
|
2018-09-25 19:58:48 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
local quad_t = stress_map[quadrant]
|
2018-09-25 19:58:48 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
local x_t = quad_t[x]
|
|
|
|
if not x_t then
|
|
|
|
x_t = {}
|
|
|
|
quad_t[x] = x_t
|
|
|
|
end
|
|
|
|
|
|
|
|
local value = x_t[y]
|
|
|
|
if not value then
|
|
|
|
value = defaultValue
|
|
|
|
end
|
2018-09-25 19:58:48 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
value = value + fraction
|
2018-09-26 20:07:22 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
x_t[y] = value
|
|
|
|
|
|
|
|
if (value > stress_threshold_causing_collapse) then
|
|
|
|
if quadrant > 2 then
|
|
|
|
y = -y
|
2018-09-26 20:07:22 +02:00
|
|
|
end
|
2018-10-07 13:50:25 +02:00
|
|
|
if quadrant % 2 == 0 then
|
|
|
|
x = -x
|
|
|
|
end
|
|
|
|
script.raise_event(
|
|
|
|
DiggyCaveCollapse.events.on_collapse_triggered,
|
|
|
|
{surface = game.surfaces[stress_map.surface_index], position = {x = x, y = y}}
|
|
|
|
)
|
|
|
|
end
|
|
|
|
if (enable_stress_grid) then
|
|
|
|
local surface = game.surfaces[stress_map.surface_index]
|
|
|
|
if quadrant > 2 then
|
|
|
|
y = -y
|
2018-09-26 20:07:22 +02:00
|
|
|
end
|
2018-10-07 13:50:25 +02:00
|
|
|
if quadrant % 2 == 0 then
|
|
|
|
x = -x
|
|
|
|
end
|
|
|
|
Debug.print_grid_value(value, surface, {x = x, y = y})
|
|
|
|
end
|
|
|
|
return value
|
|
|
|
end
|
2018-09-26 20:07:22 +02:00
|
|
|
|
2018-10-09 01:26:24 +02:00
|
|
|
function add_fraction_by_quadrant(stress_map, x, y, fraction, quadrant)
|
|
|
|
local x_t = quadrant[x]
|
2018-10-07 13:50:25 +02:00
|
|
|
if not x_t then
|
|
|
|
x_t = {}
|
2018-10-09 01:26:24 +02:00
|
|
|
quadrant[x] = x_t
|
2018-10-07 13:50:25 +02:00
|
|
|
end
|
2018-09-25 19:58:48 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
local value = x_t[y]
|
|
|
|
if not value then
|
|
|
|
value = defaultValue
|
|
|
|
end
|
2018-09-26 20:07:22 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
value = value + fraction
|
2018-09-26 20:07:22 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
x_t[y] = value
|
2018-09-25 19:58:48 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
if (value > stress_threshold_causing_collapse) then
|
2018-10-09 01:26:24 +02:00
|
|
|
local index = quadrant.index
|
|
|
|
if index > 2 then
|
2018-10-07 13:50:25 +02:00
|
|
|
y = -y
|
2018-09-25 19:58:48 +02:00
|
|
|
end
|
2018-10-09 01:26:24 +02:00
|
|
|
if index % 2 == 0 then
|
2018-10-07 13:50:25 +02:00
|
|
|
x = -x
|
|
|
|
end
|
|
|
|
script.raise_event(
|
|
|
|
DiggyCaveCollapse.events.on_collapse_triggered,
|
|
|
|
{surface = game.surfaces[stress_map.surface_index], position = {x = x, y = y}}
|
|
|
|
)
|
|
|
|
end
|
|
|
|
if (enable_stress_grid) then
|
|
|
|
local surface = game.surfaces[stress_map.surface_index]
|
2018-10-09 01:26:24 +02:00
|
|
|
local index = quadrant.index
|
|
|
|
if index > 2 then
|
2018-10-07 13:50:25 +02:00
|
|
|
y = -y
|
|
|
|
end
|
2018-10-09 01:26:24 +02:00
|
|
|
if index % 2 == 0 then
|
2018-10-07 13:50:25 +02:00
|
|
|
x = -x
|
|
|
|
end
|
|
|
|
Debug.print_grid_value(value, surface, {x = x, y = y})
|
|
|
|
end
|
|
|
|
return value
|
|
|
|
end
|
2018-09-25 19:58:48 +02:00
|
|
|
|
2018-10-07 20:51:07 +02:00
|
|
|
|
|
|
|
on_surface_created = function(event)
|
|
|
|
stress_map_storage[event.surface_index] = {}
|
|
|
|
|
|
|
|
local map = stress_map_storage[event.surface_index]
|
|
|
|
|
|
|
|
map['surface_index'] = event.surface_index
|
2018-10-09 01:26:24 +02:00
|
|
|
map[1] = {index = 1}
|
|
|
|
map[2] = {index = 2}
|
|
|
|
map[3] = {index = 3}
|
|
|
|
map[4] = {index = 4}
|
2018-10-07 20:51:07 +02:00
|
|
|
end
|
2018-09-08 18:29:27 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
--[[--
|
|
|
|
Checks whether a tile's pressure is within a given threshold and calls the handler if not.
|
|
|
|
@param surface LuaSurface
|
|
|
|
@param position Position with x and y
|
|
|
|
@param number threshold
|
|
|
|
@param callback
|
2018-09-08 18:29:27 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
]]
|
|
|
|
stress_map_check_stress_in_threshold = function(surface, position, threshold, callback)
|
2018-10-07 20:51:07 +02:00
|
|
|
local stress_map = stress_map_storage[surface.index]
|
2018-10-07 13:50:25 +02:00
|
|
|
local value = add_fraction(stress_map, position.x, position.y, 0)
|
2018-09-08 18:29:27 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
if (value >= stress_threshold_causing_collapse - threshold) then
|
|
|
|
callback(surface, position)
|
|
|
|
end
|
|
|
|
end
|
2018-09-08 18:29:27 +02:00
|
|
|
|
2018-10-07 20:51:07 +02:00
|
|
|
stress_map_blur_add = function(surface, position, factor)
|
2018-10-07 13:50:25 +02:00
|
|
|
local x_start = math.floor(position.x)
|
|
|
|
local y_start = math.floor(position.y)
|
|
|
|
|
2018-10-07 20:51:07 +02:00
|
|
|
local stress_map = stress_map_storage[surface.index]
|
|
|
|
if not stress_map then
|
|
|
|
return
|
|
|
|
end
|
2018-10-07 13:50:25 +02:00
|
|
|
|
|
|
|
if radius > math.abs(x_start) or radius > math.abs(y_start) then
|
|
|
|
for x = -radius, radius do
|
|
|
|
for y = -radius, radius do
|
|
|
|
local value = 0
|
|
|
|
local distance_sq = x * x + y * y
|
|
|
|
if distance_sq <= center_radius_sq then
|
|
|
|
value = center_value
|
|
|
|
elseif distance_sq <= disc_radius_sq then
|
|
|
|
value = disc_value
|
|
|
|
elseif distance_sq <= radius_sq then
|
|
|
|
value = ring_value
|
|
|
|
end
|
|
|
|
if math.abs(value) > 0.001 then
|
|
|
|
add_fraction(stress_map, x + x_start, y + y_start, value * factor)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
else
|
2018-10-09 01:26:24 +02:00
|
|
|
local quadrant_n = 1
|
2018-10-07 13:50:25 +02:00
|
|
|
if x_start < 0 then
|
2018-10-09 01:26:24 +02:00
|
|
|
quadrant_n = quadrant_n + 1
|
2018-10-07 13:50:25 +02:00
|
|
|
x_start = -x_start
|
|
|
|
end
|
|
|
|
if y_start < 0 then
|
2018-10-09 01:26:24 +02:00
|
|
|
quadrant_n = quadrant_n + 2
|
2018-10-07 13:50:25 +02:00
|
|
|
y_start = -y_start
|
2018-09-08 18:29:27 +02:00
|
|
|
end
|
2018-10-09 01:26:24 +02:00
|
|
|
local quadrant = stress_map[quadrant_n]
|
2018-10-07 13:50:25 +02:00
|
|
|
for x = -radius, radius do
|
|
|
|
for y = -radius, radius do
|
|
|
|
local value = 0
|
|
|
|
local distance_sq = x * x + y * y
|
|
|
|
if distance_sq <= center_radius_sq then
|
|
|
|
value = center_value
|
|
|
|
elseif distance_sq <= disc_radius_sq then
|
|
|
|
value = disc_value
|
|
|
|
elseif distance_sq <= radius_sq then
|
|
|
|
value = ring_value
|
|
|
|
end
|
|
|
|
if math.abs(value) > 0.001 then
|
|
|
|
add_fraction_by_quadrant(stress_map, x + x_start, y + y_start, value * factor, quadrant)
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
2018-09-08 18:29:27 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
DiggyCaveCollapse.stress_map_blur_add = stress_map_blur_add
|
2018-09-08 18:29:27 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
--
|
|
|
|
-- MASK
|
|
|
|
--
|
2018-09-08 18:29:27 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
function mask_init(config)
|
|
|
|
n = config.mask_size
|
2018-09-13 23:07:38 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
ring_weight = config.mask_relative_ring_weights[1]
|
|
|
|
disc_weight = config.mask_relative_ring_weights[2]
|
|
|
|
center_weight = config.mask_relative_ring_weights[3]
|
2018-09-13 23:07:38 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
radius = math.floor(n / 2)
|
2018-09-13 23:07:38 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
radius_sq = (radius + 0.2) * (radius + 0.2)
|
|
|
|
center_radius_sq = radius_sq / 9
|
|
|
|
disc_radius_sq = radius_sq * 4 / 9
|
2018-09-13 23:07:38 +02:00
|
|
|
|
2018-10-07 13:50:25 +02:00
|
|
|
for x = -radius, radius do
|
|
|
|
for y = -radius, radius do
|
|
|
|
local distance_sq = x * x + y * y
|
|
|
|
if distance_sq <= center_radius_sq then
|
|
|
|
disc_blur_sum = disc_blur_sum + center_weight
|
|
|
|
elseif distance_sq <= disc_radius_sq then
|
|
|
|
disc_blur_sum = disc_blur_sum + disc_weight
|
|
|
|
elseif distance_sq <= radius_sq then
|
|
|
|
disc_blur_sum = disc_blur_sum + ring_weight
|
|
|
|
end
|
|
|
|
end
|
|
|
|
end
|
|
|
|
center_value = center_weight / disc_blur_sum
|
|
|
|
disc_value = disc_weight / disc_blur_sum
|
|
|
|
ring_value = ring_weight / disc_blur_sum
|
2018-09-08 18:29:27 +02:00
|
|
|
end
|
|
|
|
|
|
|
|
--[[--
|
2018-10-07 13:50:25 +02:00
|
|
|
Applies a blur
|
|
|
|
Applies the disc in 3 discs: center, (middle) disc and (outer) ring.
|
|
|
|
The relative weights for tiles in a disc are:
|
|
|
|
center: 3/3
|
|
|
|
disc: 2/3
|
|
|
|
ring: 1/3
|
|
|
|
The sum of all values is 1
|
|
|
|
|
|
|
|
@param x_start number center point
|
|
|
|
@param y_start number center point
|
|
|
|
@param factor the factor to multiply the cell value with (value = cell_value * factor)
|
|
|
|
@param callback function to execute on each tile within the mask callback(x, y, value)
|
2018-09-08 18:29:27 +02:00
|
|
|
]]
|
2018-10-07 13:50:25 +02:00
|
|
|
mask_disc_blur = function(x_start, y_start, factor, callback)
|
|
|
|
x_start = math.floor(x_start)
|
|
|
|
y_start = math.floor(y_start)
|
|
|
|
for x = -radius, radius do
|
|
|
|
for y = -radius, radius do
|
|
|
|
local value = 0
|
|
|
|
local distance_sq = x * x + y * y
|
|
|
|
if distance_sq <= center_radius_sq then
|
|
|
|
value = center_value
|
|
|
|
elseif distance_sq <= disc_radius_sq then
|
|
|
|
value = disc_value
|
|
|
|
elseif distance_sq <= radius_sq then
|
|
|
|
value = ring_value
|
|
|
|
end
|
|
|
|
if math.abs(value) > 0.001 then
|
|
|
|
callback(x_start + x, y_start + y, value * factor)
|
|
|
|
end
|
|
|
|
end
|
2018-10-03 00:58:38 +02:00
|
|
|
end
|
2018-09-08 18:29:27 +02:00
|
|
|
end
|
|
|
|
|
2018-10-07 17:05:59 +02:00
|
|
|
function DiggyCaveCollapse.get_extra_map_info(config)
|
|
|
|
return [[Alien Spawner, aliens might spawn when mining!
|
|
|
|
Place stone walls, stone paths and (refined) concrete to reinforce the mine. If you see cracks appear, run!]]
|
|
|
|
end
|
|
|
|
|
2018-09-08 18:29:27 +02:00
|
|
|
return DiggyCaveCollapse
|