111 lines
2.9 KiB
Lua
111 lines
2.9 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 = {
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plains = {
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parameters = {
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{value=0.5, weight=1.0},
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{value=0.5, weight=0.3},
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},
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sea_layers = {
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{block="base:water", height=-1},
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},
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layers = {
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{block="base:grass_block", height=1, below_sea_level=false},
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{block="base:dirt", height=5, below_sea_level=false},
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{block="base:stone", height=-1},
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{block="base:bazalt", height=1},
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},
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plant_chance = 0.3,
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plants = {
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{block="base:grass", weight=1},
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{block="base:flower", weight=0.03},
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}
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},
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desert = {
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parameters = {
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{value=0.0, weight=0.36},
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{value=0.0, weight=0.4},
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},
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sea_layers = {
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{block="base:water", height=-1},
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},
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layers = {
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{block="base:sand", height=6},
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{block="base:stone", height=-1},
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{block="base:bazalt", height=1},
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}
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},
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mountains = {
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parameters = {
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{value=1.0, weight=1.0},
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{value=0.2, weight=0.5},
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},
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sea_layers = {
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{block="base:water", height=-1},
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},
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layers = {
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{block="base:stone", height=6},
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{block="base:stone", height=-1},
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{block="base:bazalt", height=1},
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}
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}
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}
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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, 0.04)
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map:cellnoise({x, y}, 0.1*s, 3, 0.7, umap, vmap)
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map:mul(0.5)
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map:add(0.5)
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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(0.3)
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rivermap:max(0.6)
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map:add(0.4)
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map:mul(rivermap)
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map:add(-0.15)
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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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function generate_biome_parameters(x, y, w, h, seed)
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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}, 0.8, 3)
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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}, 0.2, 2)
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return tempmap, hummap
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end
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