87 lines
2.4 KiB
Lua
87 lines
2.4 KiB
Lua
sea_level = 64
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-- 1 - temperature
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-- 2 - humidity
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biome_parameters = 2
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biomes = json.parse(file.read("base:generators/demo/biomes.json"))
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function place_structures(x, z, w, d, seed, hmap)
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local placements = {}
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for i=1,10 do
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local sx = math.random() * w
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local sz = math.random() * d
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local sy = math.random() * 128
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if sy < hmap:at(sx, sz) * 256 - 6 then
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table.insert(placements, {"coal_ore0", {sx, sy, sz}, math.random()*4})
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end
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end
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return placements
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end
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local function _generate_heightmap(x, y, w, h, seed, s)
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local umap = Heightmap(w, h)
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local vmap = Heightmap(w, h)
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umap.noiseSeed = seed
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vmap.noiseSeed = seed
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vmap:noise({x+521, y+70}, 0.1*s, 3, 25.8)
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vmap:noise({x+95, y+246}, 0.15*s, 3, 25.8)
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local map = Heightmap(w, h)
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map.noiseSeed = seed
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map:noise({x, y}, 0.8*s, 4, 0.02)
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map:cellnoise({x, y}, 0.1*s, 3, 0.3, umap, vmap)
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map:add(0.4)
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local rivermap = Heightmap(w, h)
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rivermap.noiseSeed = seed
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rivermap:noise({x+21, y+12}, 0.1*s, 4)
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rivermap:abs()
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rivermap:mul(2.0)
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rivermap:pow(0.15)
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rivermap:max(0.3)
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map:add(0.3)
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map:mul(rivermap)
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return map
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end
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function generate_heightmap(x, y, w, h, seed)
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-- blocks per dot
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-- 8 - linear interpolation is visible, but not so much
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-- 4 - high quality, but slower
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-- 2 - you really don't need it
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-- 1 - please have mercy on your CPU
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local bpd = 4
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local map = _generate_heightmap(
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math.floor(x/bpd), math.floor(y/bpd),
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math.floor(w/bpd)+1, math.floor(h/bpd)+1, seed, bpd)
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map:resize(w+bpd, h+bpd, 'linear')
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map:crop(0, 0, w, h)
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return map
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end
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local function _generate_biome_parameters(x, y, w, h, seed, s)
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local tempmap = Heightmap(w, h)
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tempmap.noiseSeed = seed + 5324
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tempmap:noise({x, y}, 0.04*s, 6)
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local hummap = Heightmap(w, h)
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hummap.noiseSeed = seed + 953
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hummap:noise({x, y}, 0.04*s, 6)
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tempmap:pow(3)
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hummap:pow(3)
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return tempmap, hummap
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end
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function generate_biome_parameters(x, y, w, h, seed)
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local bpd = 8
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local tmap, hmap = _generate_biome_parameters(
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math.floor(x/bpd), math.floor(y/bpd),
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math.floor(w/bpd)+1, math.floor(h/bpd)+1, seed, bpd)
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tmap:resize(w+bpd, h+bpd, 'linear')
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tmap:crop(0, 0, w, h)
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hmap:resize(w+bpd, h+bpd, 'linear')
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hmap:crop(0, 0, w, h)
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return tmap, hmap
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end
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