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29 lines
904 B
Lua
29 lines
904 B
Lua
local Perlin = require 'map_gen.shared.perlin_noise'
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local seed_provider = require 'map_gen.maps.danger_ores.modules.seed_provider'
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local b = require 'map_gen.shared.builders'
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local perlin_noise = Perlin.noise
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return function(config)
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local scale = config.water_scale or 1 / 96
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local water_threshold = config.water_threshold or 0.5
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local deepwater_threshold = config.deepwater_threshold or 0.55
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local no_water_shape = config.no_water_shape or b.circle(96)
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local seed = config.water_seed or seed_provider()
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return function(x, y)
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if no_water_shape(x, y) then
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return false
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end
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local water_noise = perlin_noise(x * scale, y * scale, seed)
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if water_noise >= deepwater_threshold then
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return 'deepwater'
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elseif water_noise >= water_threshold then
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return 'water'
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end
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return false
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end
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end
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