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Sandstone strata and web of ore veins

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paramat 2014-03-08 07:31:41 +00:00
parent df47aa52e0
commit 7fd9ef3625
2 changed files with 97 additions and 100 deletions
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2
README.txt
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@ -1,4 +1,4 @@
watershed 0.2.7 by paramat watershed 0.2.8 by paramat
For latest stable Minetest back to 0.4.8 For latest stable Minetest back to 0.4.8
Depends default Depends default
Licenses: code WTFPL Licenses: code WTFPL

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