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refactor rail_grid
This commit is contained in:
grilledham
parent
e96cbfa680
commit
781cd11178
@ -4,151 +4,6 @@
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-- - We recommend playing with RSO to force expansion by rail
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-- - If playing with mods, do not use FARL, the rail placing mechanic will not work with this map
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-- Dependencies
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local b = require 'map_gen.shared.builders'
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local Random = require 'map_gen.shared.random'
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local table = require 'utils.table'
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local Event = require 'utils.event'
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local RS = require 'map_gen.shared.redmew_surface'
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local MGSP = require 'resources.map_gen_settings'
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local MSP = require 'resources.map_settings'
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local degrees = require "utils.math".degrees
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local ScenarioInfo = require 'features.gui.info'
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-- Setup surface and map settings
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RS.set_map_gen_settings(
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{
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MGSP.cliff_none,
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MGSP.grass_disabled,
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MGSP.enable_water,
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}
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)
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ScenarioInfo.set_map_name('Rail Grid')
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ScenarioInfo.set_map_description(
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[[
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Nauvis' factory planners have been disappointed with the recent trend towards
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rail spaghetti. As such they have enacted rules to enforce neat grid shaped
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rails and crossings.
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]]
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)
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ScenarioInfo.add_map_extra_info(
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[[
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This map has green "city blocks" to enforce construction of rail in a grid
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pattern.
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You cannot place rail on any tile type except landfill. There is space at the
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grid intersections for junctions and turnarounds. There is space for
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two stations on each side of the grid.
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]]
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)
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RS.set_spawn_position({x = 20,y = 20})
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local function is_not_water_tile(x, y, world)
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local gen_tile = world.surface.get_tile(world.x, world.y)
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return not gen_tile.collides_with('water-tile')
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end
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local station_length = 40
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local station = b.any{
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b.rectangle(station_length,18),
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b.translate(b.square_diamond(18),station_length/2,0), -- these just make it pretty
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b.translate(b.square_diamond(18),station_length/-2,0) -- these just make it pretty
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}
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local grid_size = 224
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local path = b.any{
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b.square_diamond(40),
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b.rectangle(grid_size,6),
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b.rectangle(6,grid_size),
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b.circular_pattern(b.rotate(station,degrees(90)), 4, grid_size/3)
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}
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path = b.change_tile(path, true, 'landfill') -- MUST be landfill or the rail removal event doesn't work.
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local grid = b.single_grid_pattern(path, grid_size, grid_size)
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local no_water_grid = b.choose(is_not_water_tile, grid, b.full_shape)
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local map = b.if_else(no_water_grid, b.full_shape)
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map = b.translate(map,1,1)
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-- replace grass tiles with dirt so that the rail grid is much
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local tile_map ={
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['grass-1'] = 'dirt-1',
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['grass-2'] = 'dirt-2',
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['grass-3'] = 'dirt-3',
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['grass-4'] = 'dirt-4',
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}
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map = b.change_map_gen_tiles(map, tile_map)
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-- This event removes rail and curve rail entities and removes them unless they are placed on landfill
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Event.add(
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defines.events.on_built_entity,
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function(event)
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local entity = event.created_entity
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if not entity or not entity.valid then
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return
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end
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local name = entity.name
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local ghost = false
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if name == 'tile-ghost' or name == 'entity-ghost' then
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ghost = true
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ghost_name = entity.ghost_name
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end
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if (name ~= 'straight-rail') and (name ~= 'curved-rail') then
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if not ghost then
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return
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elseif (ghost_name ~= 'straight-rail') and (ghost_name ~= 'curved-rail') then
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return
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end
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end
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-- Check the bounding box for the tile
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local status = true
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local area = entity.bounding_box
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local left_top = area.left_top
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local right_bottom = area.right_bottom
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local p = game.get_player(event.player_index)
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--check for sand under all tiles in bounding box
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for x = math.floor(left_top.x), math.floor(right_bottom.x), 1 do
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for y = math.floor(left_top.y), math.floor(right_bottom.y), 1 do
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if (p.surface.get_tile(x, y).name ~= 'landfill')then
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status = false
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break
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end
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end
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end
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if status == true then
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return
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else
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--destroy entity and return to player
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if not p or not p.valid then
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return
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end
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entity.destroy()
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if not ghost then
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p.insert(event.stack)
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end
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end
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end
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)
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-- On player join print a notice explaining the rail mechanic
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local function player_joined_game(event)
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local player_index = event.player_index
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local player = game.get_player(player_index)
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if not player or not player.valid then
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return
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end
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player.print("Welcome to RedMew's Rail Grids Map. Rails can only be built on green tiles.", {r=0, g=1, b=0, a=1})
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end
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Event.add(defines.events.on_player_joined_game, player_joined_game)
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return map
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require 'map_gen.maps.rail_grid.scenario_setup'
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require 'map_gen.maps.rail_grid.rail_grid_restrictions'
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return require 'map_gen.maps.rail_grid.map'
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47
map_gen/maps/rail_grid/map.lua
Normal file
47
map_gen/maps/rail_grid/map.lua
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@ -0,0 +1,47 @@
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local b = require 'map_gen.shared.builders'
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local rad = math.rad
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-- x and y must be even numbers else rail grid is misaligned.
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local spawn_position = {x = 20, y = 20}
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local function is_not_water_tile(x, y, world)
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local gen_tile = world.surface.get_tile(world.x, world.y)
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return not gen_tile.collides_with('water-tile')
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end
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local station_length = 40
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local station =
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b.any {
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b.rectangle(station_length, 18),
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b.translate(b.square_diamond(18), station_length / 2, 0), -- these just make it pretty
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b.translate(b.square_diamond(18), station_length / -2, 0) -- these just make it pretty
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}
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local grid_size = 224
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local path =
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b.any {
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b.square_diamond(40),
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b.rectangle(grid_size, 6),
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b.rectangle(6, grid_size),
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b.circular_pattern(b.rotate(station, rad(90)), 4, grid_size / 3)
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}
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path = b.change_tile(path, true, 'landfill') -- MUST be landfill or the rail removal event doesn't work.
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local grid = b.single_grid_pattern(path, grid_size, grid_size)
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local no_water_grid = b.choose(is_not_water_tile, grid, b.full_shape)
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local map = b.if_else(no_water_grid, b.full_shape)
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-- replace grass tiles with dirt so that the rail grid is much
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local tile_map = {
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['grass-1'] = 'dirt-1',
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['grass-2'] = 'dirt-2',
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['grass-3'] = 'dirt-3',
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['grass-4'] = 'dirt-4'
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}
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map = b.change_map_gen_tiles(map, tile_map)
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map = b.translate(map, 1 - spawn_position.x, 1 - spawn_position.y)
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return map
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84
map_gen/maps/rail_grid/rail_grid_restrictions.lua
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84
map_gen/maps/rail_grid/rail_grid_restrictions.lua
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@ -0,0 +1,84 @@
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local Event = require 'utils.event'
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local Global = require 'utils.global'
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local RestrictEntities = require 'map_gen.shared.entity_placement_restriction'
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local Popup = require 'features.gui.popup'
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local floor = math.floor
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local players_popuped = {}
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Global.register(
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players_popuped,
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function(tbl)
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players_popuped = tbl
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end
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)
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local rail_entities = {
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['straight-rail'] = true,
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['curved-rail'] = true
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}
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local function all_on_landfill(entity)
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local get_tile = entity.surface.get_tile
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local area = entity.bounding_box
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local left_top = area.left_top
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local right_bottom = area.right_bottom
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for x = floor(left_top.x), floor(right_bottom.x) do
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for y = floor(left_top.y), floor(right_bottom.y) do
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if get_tile(x, y).name ~= 'landfill' then
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return false
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end
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end
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end
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return true
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end
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RestrictEntities.set_keep_alive_callback(
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function(entity)
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local name = entity.name
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if name == 'entity-ghost' then
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name = entity.ghost_name
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end
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if not rail_entities[name] then
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return true
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end
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return all_on_landfill(entity)
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end
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)
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-- On first time player places rail entity on invalid tile, show popup explaining the rail mechanic.
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local function restricted_entity_destroyed(event)
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local p = event.player
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if not p or not p.valid then
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return
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end
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if players_popuped[p.index] then
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return
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end
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Popup.player(p, 'Rails can only be built on green tiles.', nil, nil, 'rail_grid')
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players_popuped[p.index] = true
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end
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-- On player join print a notice explaining the rail mechanic
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local function player_joined_game(event)
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local player_index = event.player_index
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local player = game.get_player(player_index)
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if not player or not player.valid then
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return
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end
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player.print(
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"Welcome to RedMew's Rail Grids Map. Rails can only be built on green tiles.",
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{r = 0, g = 1, b = 0, a = 1}
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)
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end
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Event.add(RestrictEntities.events.on_restricted_entity_destroyed, restricted_entity_destroyed)
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Event.add(defines.events.on_player_joined_game, player_joined_game)
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31
map_gen/maps/rail_grid/scenario_setup.lua
Normal file
31
map_gen/maps/rail_grid/scenario_setup.lua
Normal file
@ -0,0 +1,31 @@
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local ScenarioInfo = require 'features.gui.info'
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local RS = require 'map_gen.shared.redmew_surface'
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local MGSP = require 'resources.map_gen_settings'
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-- Setup surface and map settings
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RS.set_map_gen_settings(
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{
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MGSP.cliff_none,
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MGSP.grass_disabled,
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MGSP.enable_water
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}
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)
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ScenarioInfo.set_map_name('Rail Grid')
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ScenarioInfo.set_map_description(
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[[
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Nauvis' factory planners have been disappointed with the recent trend towards
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rail spaghetti. As such they have enacted rules to enforce neat grid shaped
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rails and crossings.
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]]
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)
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ScenarioInfo.add_map_extra_info(
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[[
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This map has green "city blocks" to enforce construction of rail in a grid
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pattern.
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You cannot place rail on any tile type except landfill. There is space at the
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grid intersections for junctions and turnarounds. There is space for
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two stations on each side of the grid.
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]]
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)
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