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48 lines
1.4 KiB
Lua
48 lines
1.4 KiB
Lua
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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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