mirror of
https://github.com/Refactorio/RedMew.git
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105 lines
6.2 KiB
Lua
105 lines
6.2 KiB
Lua
local Public = {}
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local Debug = require 'map_gen.maps.frontier.shared.debug'
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local Noise = require 'map_gen.shared.simplex_noise'
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local simplex_noise = Noise.d2
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-- add or use noise templates from here
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local noises = {
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['dungeon_sewer'] = {{ modifier = 0.00055, weight = 1.05 }, { modifier = 0.0062, weight = 0.024 }, { modifier = 0.0275, weight = 0.00135 }},
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['cave_miner_01'] = {{ modifier = 0.002, weight = 1 }, { modifier = 0.003, weight = 0.5 }, { modifier = 0.01, weight = 0.01 }, { modifier = 0.1, weight = 0.015 }},
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['oasis'] = {{ modifier = 0.00165, weight = 1.1 }, { modifier = 0.00275, weight = 0.55 }, { modifier = 0.011, weight = 0.165 }, { modifier = 0.11, weight = 0.0187 }},
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['dungeons'] = {{ modifier = 0.0028, weight = 0.99 }, { modifier = 0.0059, weight = 0.21 }},
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['cave_rivers_2'] = {{ modifier = 0.0035, weight = 0.90 }, { modifier = 0.0088, weight = 0.15 }, { modifier = 0.051, weight = 0.011 }},
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['cave_miner_02'] = {{ modifier = 0.006, weight = 1 }, { modifier = 0.02, weight = 0.15 }, { modifier = 0.25, weight = 0.025 }},
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['large_caves'] = {{ modifier = 0.055, weight = 0.045 }, { modifier = 0.11, weight = 0.042 }, { modifier = 0.00363, weight = 1.05 }, { modifier = 0.01, weight = 0.23 }},
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['no_rocks'] = {{ modifier = 0.00495, weight = 0.945 }, { modifier = 0.01665, weight = 0.2475 }, { modifier = 0.0435, weight = 0.0435 }, { modifier = 0.07968, weight = 0.0315 }},
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['scrapyard'] = {{ modifier = 0.0055, weight = 1.1 }, { modifier = 0.011, weight = 0.385 }, { modifier = 0.055, weight = 0.253 }, { modifier = 0.11, weight = 0.121 }},
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['scrapyard_2'] = {{ modifier = 0.0066, weight = 1.1 }, { modifier = 0.044, weight = 0.165 }, { modifier = 0.242, weight = 0.055 }, { modifier = 0.055, weight = 0.352 }},
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['smol_areas'] = {{ modifier = 0.0052, weight = 0.83 }, { modifier = 0.139, weight = 0.144 }, { modifier = 0.129, weight = 0.072 }, { modifier = 0.111, weight = 0.01 }},
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['cave_rivers'] = {{ modifier = 0.0053, weight = 0.71 }, { modifier = 0.0086, weight = 0.24 }, { modifier = 0.070, weight = 0.025 }},
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['small_caves'] = {{ modifier = 0.0066, weight = 1.1 }, { modifier = 0.044, weight = 0.165 }, { modifier = 0.242, weight = 0.055 }},
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['forest_location'] = {{ modifier = 0.0066, weight = 1.1 }, { modifier = 0.011, weight = 0.275 }, { modifier = 0.055, weight = 0.165 }, { modifier = 0.11, weight = 0.0825 }},
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['small_caves_2'] = {{ modifier = 0.0099, weight = 1.1 }, { modifier = 0.055, weight = 0.275 }, { modifier = 0.275, weight = 0.055 }},
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['forest_density'] = {{ modifier = 0.01, weight = 1 }, { modifier = 0.05, weight = 0.5 }, { modifier = 0.1, weight = 0.025 }},
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['cave_ponds'] = {{ modifier = 0.014, weight = 0.77 }, { modifier = 0.18, weight = 0.085 }},
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['no_rocks_2'] = {{ modifier = 0.0184, weight = 1.265 }, { modifier = 0.143, weight = 0.1045 }},
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}
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-- returns a float number between -1 and 1
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function Public.get_noise(name, pos, seed)
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local noise = 0
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local d = 0
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for i = 1, #noises[name] do
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local mod = noises[name]
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noise = noise + simplex_noise(pos.x * mod[i].modifier, pos.y * mod[i].modifier, seed) * mod[i].weight
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d = d + mod[i].weight
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seed = seed + seed / seed
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end
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noise = noise / d
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return noise
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end
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function Public.on_chunk_generated(event)
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local area = event.area
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local right_boundary = 12 * 32
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local left_top = { x = math.max(area.left_top.x, right_boundary), y = area.left_top.y }
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local right_bottom = area.right_bottom
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if left_top.x >= right_bottom.x then
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return
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end
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local x_min = left_top.x
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local surface = event.surface
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local seed = surface.map_gen_settings.seed
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local STEP = 18 * 32
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local limit = right_boundary + STEP
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local noise_id = false
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if not noise_id and x_min < limit then noise_id = 'dungeon_sewer' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'cave_miner_01' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'oasis' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'dungeons' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'cave_rivers_2' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'cave_miner_02' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'large_caves' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'no_rocks' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'scrapyard' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'scrapyard_2' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'smol_areas' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'cave_rivers' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'small_caves' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'forest_location' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'small_caves_2' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'forest_density' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'cave_ponds' end limit = limit + STEP
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if not noise_id and x_min < limit then noise_id = 'no_rocks_2' end
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if not noise_id then return end
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local compute_noise = Public.get_noise
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local show_noise = Debug.show_noise_value
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for x = 0, 31 do
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for y = 0, 31 do
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local position = { x = left_top.x + x, y = left_top.y + y }
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local noise = compute_noise(noise_id, position, seed)
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show_noise(surface, position, noise)
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end
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end
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local chunkpos = event.position
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if (chunkpos.x) % 18 == 0 and (chunkpos.y == 1) then
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rendering.draw_text{
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text = noise_id,
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surface = surface,
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target = { x = left_top.x + 16, y = left_top.y + 16},
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target_offset = {x = - 2 * 32, y = 0 },
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scale = 128,
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color = { 255, 255, 255 },
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draw_on_ground = true,
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only_in_alt_mode = true,
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}
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end
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end
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return Public
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