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46 lines
1.4 KiB
Lua
46 lines
1.4 KiB
Lua
local Event = require 'utils.event'
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local math_random = math.random
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local turrets = {
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[1] = 'small-worm-turret',
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[2] = 'medium-worm-turret',
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[3] = 'big-worm-turret',
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[4] = 'behemoth-worm-turret'
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}
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local tile_coords = {}
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for x = 0, 31, 1 do
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for y = 0, 31, 1 do
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tile_coords[#tile_coords + 1] = {x, y}
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end
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end
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local function on_chunk_generated(event)
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local surface = event.surface
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if surface.name ~= 'mirror_terrain' then
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return
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end
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local starting_distance = surface.map_gen_settings.starting_area * 200
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local left_top = event.area.left_top
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local chunk_distance_to_center = math.sqrt(left_top.x ^ 2 + left_top.y ^ 2)
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if starting_distance > chunk_distance_to_center then
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return
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end
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local highest_worm_tier = math.floor((chunk_distance_to_center - starting_distance) * 0.0025) + 1
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if highest_worm_tier > 4 then
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highest_worm_tier = 4
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end
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for _ = 1, 4, 1 do
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local coord_modifier = tile_coords[math_random(1, #tile_coords)]
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local pos = {left_top.x + coord_modifier[1], left_top.y + coord_modifier[2]}
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local name = turrets[math_random(1, highest_worm_tier)]
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local position = surface.find_non_colliding_position('big-worm-turret', pos, 8, 1)
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if position then
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surface.create_entity({name = name, position = position, force = 'enemy'})
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end
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end
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end
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Event.add(defines.events.on_chunk_generated, on_chunk_generated)
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