forked from mtcontrib/watershed
Tune volcanos, lava flows again, no flagmask 0.4.9dev compatible
This commit is contained in:
paramat
parent
47c8204d4a
commit
cb732b1577
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@ -1,4 +1,4 @@
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watershed 0.3.3 by paramat
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watershed 0.3.4 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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@ -242,7 +242,7 @@ if SINGLENODE then
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-- Set mapgen parameters
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minetest.register_on_mapgen_init(function(mgparams)
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minetest.set_mapgen_params({mgname="singlenode", flags = "nolight", flagmask = "nolight"})
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minetest.set_mapgen_params({mgname="singlenode"})
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end)
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-- Spawn player
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@ -298,6 +298,22 @@ if SINGLENODE then
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octaves = 3,
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persist = 0.4
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}
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local np_temp = {
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offset = 0,
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scale = 1,
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spread = {x=512, y=512, z=512},
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seed = 9130,
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octaves = 2,
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persist = 0.5
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}
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local np_humid = {
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offset = 0,
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scale = 1,
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spread = {x=512, y=512, z=512},
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seed = -55500,
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octaves = 2,
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persist = 0.5
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}
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for chunk = 1, 32 do
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print ("[watershed] searching for spawn "..chunk)
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local x0 = 80 * math.random(-24, 24) - 32
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@ -315,6 +331,8 @@ if SINGLENODE then
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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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local nvals_fault = minetest.get_perlin_map(np_fault, chulens):get3dMap_flat(minposxyz)
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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_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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@ -326,17 +344,19 @@ if SINGLENODE then
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for x = x0, x1 do
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local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP
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local n_base = nvals_base[nixz]
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local terblen = math.max(1 - math.abs(n_base), 0)
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local densitybase = (1 - math.abs(n_base)) * BASAMP + nvals_xlscale[nixz] * XLSAMP + grad
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local terblen = math.max(1 - math.abs(n_base), 0)
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local n_temp = nvals_temp[nixyz]
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local n_humid = nvals_humid[nixyz]
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local density
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if nvals_fault[nixyz] >= 0 then
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density = densitybase
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+ math.abs(nvals_rough[nixyz] * terblen
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+ nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP
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+ nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP * (1 + n_temp * 0.5)
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else
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density = densitybase
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+ math.abs(nvals_rough[nixyz] * terblen
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+ nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP * 0.7
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+ nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP * (1 + n_humid * 0.5)
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end
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if y >= 1 and density > -0.01 and density < 0 then
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ysp = y + 1
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72
init.lua
72
init.lua
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@ -1,11 +1,11 @@
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-- watershed 0.3.3 by paramat
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-- watershed 0.3.4 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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-- remove lavacooling abms
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-- new appletree
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-- rivers continuous over faults
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-- no flagmask for compatibility with 0.4.9dev
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-- tune volcanos
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-- lava flows again
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-- TODO
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-- fog
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@ -28,7 +28,8 @@ local ATANAMP = 1.1 -- Arctan function amplitude, smaller = more and larger floa
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local TSTONE = 0.03 -- Density threshold for stone, depth of soil at TERCEN
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local TRIV = -0.02 -- Maximum densitybase threshold for river water
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local TSAND = -0.025 -- Maximum densitybase threshold for river sand
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local TLAVA = 10 -- Maximum densitybase threshold for lava
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local TLAVA = 2.5 -- Maximum densitybase threshold for lava, small because grad is non-linear
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local VOLC = 0.5 -- Amount of volcanos
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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 = 0.001 -- Ore seam thickness tuner
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@ -211,35 +212,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local z0 = minp.z
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print ("[watershed] chunk minp ("..x0.." "..y0.." "..z0..")")
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-- voxelmanip stuff
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local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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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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-- make all nodes air except ores and strata, for testing
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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_clay = 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("default:water_source")
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local c_sand = minetest.get_content_id("default:sand")
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@ -278,7 +255,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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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_wslava = minetest.get_content_id("watershed:lava")
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-- perlinmap stuff
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local sidelen = x1 - x0 + 1
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local chulens = {x=sidelen, y=sidelen+2, z=sidelen}
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local minposxyz = {x=x0, y=y0-1, z=z0}
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@ -302,25 +279,22 @@ minetest.register_on_generated(function(minp, maxp, seed)
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if minetest.get_node({x=x0, y=y0-1, z=z0}).name == "ignore" then
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ungen = true
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end
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-- mapgen loop
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local nixyz = 1
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local nixz = 1
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local stable = {}
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local under = {}
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local stable = {} -- stability table of true/false. is node stable and supported from below by stone or nodes on stone?
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local under = {} -- biome table. biome number of previous fine material placed in column
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for z = z0, z1 do -- for each xy plane progressing northwards
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for y = y0 - 1, y1 + 1 do -- for each x row progressing upwards
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local vi = area:index(x0, y, z)
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local viu = area:index(x0, y-1, z)
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for x = x0, x1 do -- for each node do
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local si = x - x0 + 1
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local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP
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local si = x - x0 + 1 -- stable, under tables index
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local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP -- get densitybase and density
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local n_base = nvals_base[nixz]
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local terblen = math.max(1 - math.abs(n_base), 0)
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local densitybase = (1 - math.abs(n_base)) * BASAMP + nvals_xlscale[nixz] * XLSAMP + grad
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local triv = TRIV * (1 - terblen)
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local tsand = TSAND * (1 - terblen)
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local tstone = TSTONE * (1 + grad)
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local tlava = TLAVA * (1 - nvals_magma[nixz] ^ 4 * terblen ^ 16)
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local terblen = math.max(1 - math.abs(n_base), 0)
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local n_temp = nvals_temp[nixyz]
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local n_humid = nvals_humid[nixyz]
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local density
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@ -333,6 +307,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
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+ math.abs(nvals_rough[nixyz] * terblen
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+ nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP * (1 + n_humid * 0.5)
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end
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local triv = TRIV * (1 - terblen) -- other values
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local tsand = TSAND * (1 - terblen)
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local tstone = TSTONE * (1 + grad)
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local tlava = TLAVA * (1 - nvals_magma[nixz] ^ 4 * terblen ^ 16 * VOLC)
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local nofis = false
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if density >= 0 then -- if terrain set fissure flag
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if math.abs(nvals_fissure[nixyz]) > FIST + math.sqrt(density) * FISEXP then
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@ -390,13 +369,13 @@ minetest.register_on_generated(function(minp, maxp, seed)
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end
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end
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if densitybase >= tlava then
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if densitybase >= tlava then -- lava
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if densitybase >= 0 then
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data[vi] = c_wslava
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end
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stable[si] = 0
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under[si] = 0
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elseif densitybase >= tlava - math.min(2 + density * 20, 2) and density < tstone then
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elseif densitybase >= tlava - math.min(1 + density * 10, 1) and density < tstone then -- obsidian
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data[vi] = c_obsidian
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stable[si] = 1
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under[si] = 0
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@ -635,11 +614,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
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end
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nixz = nixz + 80
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end
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-- voxelmanip stuff
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vm:set_data(data)
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-- vm:set_lighting({day=0, night=0})
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vm:set_lighting({day=0, night=0})
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vm:calc_lighting()
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vm:write_to_map(data)
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local chugent = math.ceil((os.clock() - t1) * 1000)
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local chugent = math.ceil((os.clock() - t1) * 1000) -- chunk generation time
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print ("[watershed] "..chugent.." ms")
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end)
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@ -274,7 +274,7 @@ minetest.register_node("watershed:lava", {
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liquid_alternative_source = "watershed:lava",
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liquid_viscosity = LAVA_VISC,
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liquid_renewable = false,
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liquid_range = 0,
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liquid_range = 2,
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damage_per_second = 8,
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post_effect_color = {a=192, r=255, g=64, b=0},
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groups = {lava=3, liquid=2, hot=3, igniter=1},
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@ -313,7 +313,7 @@ minetest.register_node("watershed:lavaflow", {
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liquid_alternative_source = "watershed:lava",
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liquid_viscosity = LAVA_VISC,
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liquid_renewable = false,
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liquid_range = 0,
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liquid_range = 2,
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damage_per_second = 8,
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post_effect_color = {a=192, r=255, g=64, b=0},
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groups = {lava=3, liquid=2, hot=3, igniter=1, not_in_creative_inventory=1},
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