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50 lines
1.8 KiB
Lua
50 lines
1.8 KiB
Lua
-- this spawns additional worms around the center of the map_gen_settings
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-- global.average_worm_amount_per_chunk sets the average amount of worms
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-- (default = 1)
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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 not global.worm_distance then
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global.worm_distance = surface.map_gen_settings.starting_area * 200
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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 global.worm_distance > chunk_distance_to_center then return end
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local highest_worm_tier = math.floor((chunk_distance_to_center - global.worm_distance) * 0.002) + 1
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if highest_worm_tier > 4 then highest_worm_tier = 4 end
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if not global.average_worm_amount_per_chunk then global.average_worm_amount_per_chunk = 1 end
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local worm_amount = math_random(math.floor(global.average_worm_amount_per_chunk * 0.5), math.ceil(global.average_worm_amount_per_chunk * 1.5))
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for a = 1, worm_amount, 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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