mirror of
https://github.com/Refactorio/RedMew.git
synced 2024-12-12 10:04:40 +02:00
101 lines
2.6 KiB
Lua
101 lines
2.6 KiB
Lua
local b = require 'map_gen.shared.builders'
|
|
local perlin = require 'map_gen.shared.perlin_noise'
|
|
local Event = require 'utils.event'
|
|
|
|
local sand_width = 512
|
|
local sand_width_inv = tau / sand_width
|
|
local water_width = 233
|
|
local water_width_inv = tau / water_width
|
|
|
|
--perlin options
|
|
local noise_variance = 0.025 --The lower this number the smoother the curve is gonna be
|
|
local noise_level = 15 --Factor for the magnitude of the curve
|
|
|
|
local sand_nosie_level = noise_level * 0.9
|
|
local water_noise_level = noise_level * 1.35
|
|
|
|
local perlin_seed_1 = 123456
|
|
local perlin_seed_2 = 654321
|
|
|
|
local function sand_shape(x, y)
|
|
local p = perlin.noise(x * noise_variance, y * noise_variance, perlin_seed_1) * sand_nosie_level
|
|
p = p + math.sin(x * sand_width_inv) * 15
|
|
return p > y
|
|
end
|
|
|
|
local function water_shape(x, y)
|
|
local p = perlin.noise(x * noise_variance, y * noise_variance, perlin_seed_2) * water_noise_level
|
|
p = p + math.sin(x * water_width_inv + 179) * 15
|
|
return p > y
|
|
end
|
|
|
|
sand_shape = b.change_tile(sand_shape, true, 'sand-1')
|
|
|
|
local value = b.manhattan_value
|
|
|
|
local ores = {
|
|
{b.resource(b.full_shape, 'iron-ore', value(125, 0.5)), 6},
|
|
{b.resource(b.full_shape, 'copper-ore', value(125, 0.5)), 4},
|
|
{b.resource(b.full_shape, 'stone', value(125, 0.25)), 1},
|
|
{b.resource(b.full_shape, 'coal', value(250, 0.25)), 1}
|
|
}
|
|
|
|
uranium_ore = b.resource(b.full_shape, 'uranium-ore', value(50, 0.25))
|
|
|
|
local total_weights = {}
|
|
local t = 0
|
|
for _, v in ipairs(ores) do
|
|
t = t + v[2]
|
|
table.insert(total_weights, t)
|
|
end
|
|
|
|
local function do_ores(x, y, world)
|
|
if x > -4 and x < 5 then
|
|
return ores[4][1](x, y, world)
|
|
end
|
|
|
|
if (x > 512 or x < -512) and (math.floor(x / 32) % 16 == 0) then
|
|
return uranium_ore(x, y, world)
|
|
else
|
|
local i = math.random(t)
|
|
|
|
local index = table.binary_search(total_weights, i)
|
|
if (index < 0) then
|
|
index = bit32.bnot(index)
|
|
end
|
|
|
|
local ore = ores[index][1]
|
|
|
|
return ore(x, y, world)
|
|
end
|
|
end
|
|
|
|
sand_shape = b.apply_entity(sand_shape, do_ores)
|
|
|
|
water_shape = b.change_tile(water_shape, true, 'water')
|
|
|
|
local oil = b.resource(b.full_shape, 'crude-oil', value(500000, 2500))
|
|
local function do_oil(x, y, world)
|
|
if math.random(16384) == 1 then
|
|
local e = oil(x, y, world)
|
|
e.always_place = true
|
|
return e
|
|
end
|
|
end
|
|
|
|
water_shape = b.apply_entity(water_shape, do_oil)
|
|
|
|
grass = b.tile('grass-1')
|
|
|
|
local bounds = b.line_x(384)
|
|
|
|
local map = b.any {b.translate(water_shape, 64, -48), sand_shape, grass}
|
|
|
|
map = b.fish(map, 0.0025)
|
|
|
|
map = b.choose(bounds, map, b.empty_shape)
|
|
|
|
map = b.translate(map, 0, -64)
|
|
|
|
return map
|