Sandstone strata and web of ore veins
This commit is contained in:
paramat
parent
df47aa52e0
commit
7fd9ef3625
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@ -1,4 +1,4 @@
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watershed 0.2.7 by paramat
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watershed 0.2.8 by paramat
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For latest stable Minetest back to 0.4.8
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Depends default
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Licenses: code WTFPL
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195
init.lua
195
init.lua
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@ -1,19 +1,19 @@
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-- watershed 0.2.7 by paramat
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-- watershed 0.2.8 by paramat
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-- For latest stable Minetest and back to 0.4.8
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-- Depends default
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-- License: code WTFPL
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-- TODO
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-- more strata: gravel
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-- clay
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-- Parameters
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local YMIN = 6000 -- Approximate base of realm stone
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local YMAX = 8000 -- Approximate top of atmosphere / mountains / floatlands
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local TERCEN = 6960 -- Terrain 'centre'. Approximate average seabed level
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local TERCEN = 6960 -- Terrain 'centre', average seabed level
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local YWAT = 7024 -- Sea level
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local YCLOUD = 7152 -- Cloud level
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local STRACEN = 7088 -- Strata centre
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local TERSCA = 384 -- Vertical terrain scale
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local XLSAMP = 0 -- Extra large scale height variation amplitude
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@ -27,17 +27,18 @@ local TRIV = -0.015 -- Maximum densitybase threshold for river water
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local TSAND = -0.018 -- Maximum densitybase threshold for river sand
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local FIST = 0 -- Fissure threshold at surface, controls size of fissure entrances at surface
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local FISEXP = 0.02 -- Fissure expansion rate under surface
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local ORETHI = 0.003 -- Ore vein thickness tuner
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local ORETHI = 0.001 -- Ore seam thickness tuner
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local ORET = 0.02 -- Ore threshold for seam
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local TCLOUD = 0.5 -- Cloud threshold
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local HITET = 0.5 -- --
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local LOTET = -0.5 -- --
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local ICETET = -0.8 -- --
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local HIHUT = 0.5 -- --
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local MIDHUT = 0 -- --
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local LOHUT = -0.5 -- --
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local CLOHUT = 0 -- --
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local DCLOHUT = 1 -- --
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local HITET = 0.5 -- High temperature threshold
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local LOTET = -0.5 -- Low ..
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local ICETET = -0.8 -- Ice ..
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local HIHUT = 0.5 -- High humidity threshold
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local MIDHUT = 0 -- Mid ..
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local LOHUT = -0.5 -- Low ..
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local CLOHUT = 0 -- Cloud humidity threshold
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local DCLOHUT = 1 -- Dark cloud ..
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local PINCHA = 47 -- Pine tree 1/x chance per node
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local APTCHA = 47 -- Appletree
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@ -112,9 +113,20 @@ local np_humid = {
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local np_ore = {
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offset = 0,
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scale = 1,
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spread = {x=128, y=16, z=128},
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spread = {x=512, y=128, z=512},
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seed = -992221,
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octaves = 1,
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octaves = 2,
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persist = 0.5
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}
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-- 3D noise for rock strata
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local np_strata = {
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offset = 0,
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scale = 1,
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spread = {x=512, y=128, z=512},
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seed = 92219,
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octaves = 2,
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persist = 0.5
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}
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@ -151,17 +163,6 @@ local np_cloud = {
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persist = 0.7
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}
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-- 2D noise for strata
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local np_strata = {
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offset = 0,
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scale = 1,
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spread = {x=128, y=128, z=128},
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seed = 23555677,
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octaves = 1,
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persist = 0.5
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}
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-- Stuff
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watershed = {}
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@ -190,67 +191,60 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
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local data = vm:get_data()
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--local c_air = minetest.get_content_id("air")
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--local c_water = minetest.get_content_id("air")
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--local c_sand = minetest.get_content_id("air")
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--local c_desand = minetest.get_content_id("air")
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--local c_snowblock = minetest.get_content_id("air")
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--local c_ice = minetest.get_content_id("air")
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--local c_dirtsnow = minetest.get_content_id("air")
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--local c_jungrass = minetest.get_content_id("air")
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--local c_dryshrub = minetest.get_content_id("air")
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--local c_wswater = minetest.get_content_id("air")
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--local c_wsstone = minetest.get_content_id("air")
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--local c_wsredstone = minetest.get_content_id("air")
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--local c_wsgrass = minetest.get_content_id("air")
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--local c_wsdrygrass = minetest.get_content_id("air")
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--local c_wsgoldgrass = minetest.get_content_id("air")
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--local c_wsdirt = minetest.get_content_id("air")
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--local c_wscloud = minetest.get_content_id("air")
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--local c_wsdarkcloud = minetest.get_content_id("air")
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--local c_wspermafrost = minetest.get_content_id("air")
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local c_air = minetest.get_content_id("air")
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local c_water = minetest.get_content_id("air")
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local c_sand = minetest.get_content_id("air")
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local c_desand = minetest.get_content_id("air")
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local c_snowblock = minetest.get_content_id("air")
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local c_ice = minetest.get_content_id("air")
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local c_dirtsnow = minetest.get_content_id("air")
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local c_jungrass = minetest.get_content_id("air")
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local c_dryshrub = minetest.get_content_id("air")
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local c_water = minetest.get_content_id("default:water_source")
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local c_sand = minetest.get_content_id("default:sand")
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local c_desand = minetest.get_content_id("default:desert_sand")
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local c_snowblock = minetest.get_content_id("default:snowblock")
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local c_ice = minetest.get_content_id("default:ice")
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local c_dirtsnow = minetest.get_content_id("default:dirt_with_snow")
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local c_jungrass = minetest.get_content_id("default:junglegrass")
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local c_dryshrub = minetest.get_content_id("default:dry_shrub")
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local c_stodiam = minetest.get_content_id("default:stone_with_diamond")
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local c_stomese = minetest.get_content_id("default:stone_with_mese")
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local c_mese = minetest.get_content_id("default:mese")
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local c_stogold = minetest.get_content_id("default:stone_with_gold")
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local c_stocopp = minetest.get_content_id("default:stone_with_copper")
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local c_stoiron = minetest.get_content_id("default:stone_with_iron")
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local c_stocoal = minetest.get_content_id("default:stone_with_coal")
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local c_sandstone = minetest.get_content_id("default:sandstone")
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local c_gravel = minetest.get_content_id("default:gravel")
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local c_wswater = minetest.get_content_id("air")
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local c_wsstone = minetest.get_content_id("air")
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local c_wsredstone = minetest.get_content_id("air")
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local c_wsgrass = minetest.get_content_id("air")
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local c_wsdrygrass = minetest.get_content_id("air")
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local c_wsgoldgrass = minetest.get_content_id("air")
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local c_wsdirt = minetest.get_content_id("air")
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local c_wscloud = minetest.get_content_id("air")
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local c_wsdarkcloud = minetest.get_content_id("air")
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local c_wspermafrost = minetest.get_content_id("air")
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--local c_air = minetest.get_content_id("air")
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--local c_water = minetest.get_content_id("default:water_source")
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--local c_sand = minetest.get_content_id("default:sand")
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--local c_desand = minetest.get_content_id("default:desert_sand")
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--local c_snowblock = minetest.get_content_id("default:snowblock")
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--local c_ice = minetest.get_content_id("default:ice")
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--local c_dirtsnow = minetest.get_content_id("default:dirt_with_snow")
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--local c_jungrass = minetest.get_content_id("default:junglegrass")
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--local c_dryshrub = minetest.get_content_id("default:dry_shrub")
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--local c_stodiam = minetest.get_content_id("default:stone_with_diamond")
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--local c_stomese = minetest.get_content_id("default:stone_with_mese")
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--local c_stogold = minetest.get_content_id("default:stone_with_gold")
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--local c_stocopp = minetest.get_content_id("default:stone_with_copper")
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--local c_stoiron = minetest.get_content_id("default:stone_with_iron")
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--local c_stocoal = minetest.get_content_id("default:stone_with_coal")
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--local c_sandstone = minetest.get_content_id("default:sandstone")
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--local c_wswater = minetest.get_content_id("watershed:water")
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--local c_wsstone = minetest.get_content_id("watershed:stone")
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--local c_wsredstone = minetest.get_content_id("watershed:redstone")
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--local c_wsgrass = minetest.get_content_id("watershed:grass")
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--local c_wsdrygrass = minetest.get_content_id("watershed:drygrass")
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--local c_wsgoldgrass = minetest.get_content_id("watershed:goldengrass")
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--local c_wsdirt = minetest.get_content_id("watershed:dirt")
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--local c_wscloud = minetest.get_content_id("watershed:cloud")
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--local c_wsdarkcloud = minetest.get_content_id("watershed:darkcloud")
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--local c_wspermafrost = minetest.get_content_id("watershed:permafrost")
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local c_wswater = minetest.get_content_id("watershed:water")
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local c_wsstone = minetest.get_content_id("watershed:stone")
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local c_wsredstone = minetest.get_content_id("watershed:redstone")
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local c_wsgrass = minetest.get_content_id("watershed:grass")
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local c_wsdrygrass = minetest.get_content_id("watershed:drygrass")
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local c_wsgoldgrass = minetest.get_content_id("watershed:goldengrass")
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local c_wsdirt = minetest.get_content_id("watershed:dirt")
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local c_wscloud = minetest.get_content_id("watershed:cloud")
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local c_wsdarkcloud = minetest.get_content_id("watershed:darkcloud")
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local c_wspermafrost = minetest.get_content_id("watershed:permafrost")
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local sidelen = x1 - x0 + 1
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local chulens = {x=sidelen, y=sidelen, z=sidelen}
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local minposxyz = {x=x0, y=y0, z=z0}
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local minposxz = {x=x0, y=z0}
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local minposy = {x=y0, y=0}
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local nvals_rough = minetest.get_perlin_map(np_rough, chulens):get3dMap_flat(minposxyz)
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local nvals_smooth = minetest.get_perlin_map(np_smooth, chulens):get3dMap_flat(minposxyz)
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@ -258,13 +252,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local nvals_temp = minetest.get_perlin_map(np_temp, chulens):get3dMap_flat(minposxyz)
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local nvals_humid = minetest.get_perlin_map(np_humid, chulens):get3dMap_flat(minposxyz)
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local nvals_ore = minetest.get_perlin_map(np_ore, chulens):get3dMap_flat(minposxyz)
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local nvals_strata = minetest.get_perlin_map(np_strata, chulens):get3dMap_flat(minposxyz)
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local nvals_base = minetest.get_perlin_map(np_base, chulens):get2dMap_flat(minposxz)
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local nvals_xlscale = minetest.get_perlin_map(np_xlscale, chulens):get2dMap_flat(minposxz)
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local nvals_cloud = minetest.get_perlin_map(np_cloud, chulens):get2dMap_flat(minposxz)
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local nvals_strata = minetest.get_perlin_map(np_strata, chulens):get2dMap_flat(minposy)
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local nixyz = 1
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local nixz = 1
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local stable = {}
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@ -337,32 +330,36 @@ minetest.register_on_generated(function(minp, maxp, seed)
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if density >= tstone and nofis -- stone cut by fissures
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or (density >= tstone and density < TSTONE * 3 and y <= YWAT) -- stone around water
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or (density >= tstone and density < TSTONE * 3 and densitybase >= triv ) then -- stone around river
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local niy = y - y0 + 1
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local n_strata = nvals_strata[niy] + n_temp / 4
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local orethi = nvals_ore[nixyz] * ORETHI
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if (n_strata >= -0.02 and n_strata <= -0.015)
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or (n_strata >= -0.05 and n_strata <= 0.05)
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or (n_strata >= 0.2 and n_strata <= 0.25) then
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local densitystr = nvals_strata[nixyz] / 4 + (STRACEN - y) / TERSCA
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local densityper = densitystr - math.floor(densitystr) -- periodic strata 'density'
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if (densityper >= -0.1 and densityper <= -0.05) -- sandstone strata
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or (densityper >= 0.05 and densityper <= 0.1) then
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data[vi] = c_sandstone
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elseif biome == 6 then
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elseif biome == 6 then -- desert stone
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data[vi] = c_wsredstone
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elseif n_strata >= 0.9 and n_strata <= 0.9 + orethi
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and math.random(23) == 2 then
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data[vi] = c_stodiam
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elseif n_strata >= 0.6 and n_strata <= 0.6 + orethi
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and math.random(17) == 2 then
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data[vi] = c_stogold
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elseif n_strata >= 0.3 and n_strata <= 0.3 + orethi then
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data[vi] = c_stocoal
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elseif n_strata >= -0.3 and n_strata <= -0.3 + orethi
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and math.random(3) == 2 then
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data[vi] = c_stoiron
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elseif n_strata >= -0.6 and n_strata <= -0.6 + orethi
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and math.random(5) == 2 then
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data[vi] = c_stocopp
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elseif n_strata >= -0.9 and n_strata <= -0.9 + orethi
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and math.random(19) == 2 then
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data[vi] = c_stomese
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elseif math.abs(nvals_ore[nixyz]) < ORET then -- if seam
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if densityper >= 0.9 and densityper <= 0.9 + ORETHI
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and math.random(23) == 2 then
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data[vi] = c_stodiam
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elseif densityper >= 0.8 and densityper <= 0.8 + ORETHI
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and math.random(17) == 2 then
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data[vi] = c_stogold
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elseif densityper >= 0.6 and densityper <= 0.6 + ORETHI * 4 then
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data[vi] = c_stocoal
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elseif densityper >= 0.5 and densityper <= 0.5 + ORETHI * 4 then
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data[vi] = c_gravel
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elseif densityper >= 0.4 and densityper <= 0.4 + ORETHI * 2
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and math.random(3) == 2 then
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data[vi] = c_stoiron
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elseif densityper >= 0.3 and densityper <= 0.3 + ORETHI * 2
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and math.random(5) == 2 then
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data[vi] = c_stocopp
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elseif densityper >= 0.1 and densityper <= 0.1 + ORETHI
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and math.random(19) == 2 then
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data[vi] = c_mese
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else
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data[vi] = c_wsstone
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end
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else
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data[vi] = c_wsstone
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end
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