mtcontrib/watershed
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Magma rising at ridges, lavacooling, new pinetrees

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paramat
2014-03-30 07:34:18 +01:00
parent 35e3ac6b47
commit 0314e6f2ed
5 changed files with 141 additions and 19 deletions
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30
init.lua
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@ -1,18 +1,21 @@
-- watershed 0.2.13 by paramat
-- watershed 0.2.14 by paramat
-- For latest stable Minetest and back to 0.4.8
-- Depends default
-- License: code WTFPL
-- bugfix missing surface node in tundra
-- new pine tree
-- magma rises to surface along ridges
-- lavacooling abms
-- TODO
-- all tree heights vary
-- fog
-- singlenode y = 0 realm option, on spawnplayer teleport to surface
-- magma
-- register bucket water lava
-- singlenode option
-- Parameters
local YMIN = 6000 -- Approximate base of realm stone
local YMAX = 8000 -- Approximate top of atmosphere / mountains / floatlands
local YMIN = 5000 -- Approximate base of realm stone
local YMAX = 9000 -- Approximate top of atmosphere / mountains / floatlands
local TERCEN = 6856 -- Terrain 'centre', average seabed level
local YWAT = 7016 -- Sea level
local YCLOUD = 7144 -- Cloud level
@ -24,9 +27,10 @@ local CANAMP = 0.4 -- Canyon terrain amplitude
local CANEXP = 1.33 -- Canyon shape exponent
local ATANAMP = 1.2 -- Arctan function amplitude, smaller = more and larger floatlands above ridges
local TSTONE = 0.02-- 0.02 -- Density threshold for stone, depth of soil at TERCEN
local TSTONE = 0.01 -- Density threshold for stone, depth of soil at TERCEN
local TRIV = -0.015 -- Maximum densitybase threshold for river water
local TSAND = -0.018 -- Maximum densitybase threshold for river sand
local TLAVA = 2 -- Maximum densitybase threshold for lava
local FIST = 0 -- Fissure threshold at surface, controls size of fissure entrances at surface
local FISEXP = 0.02 -- Fissure expansion rate under surface
local ORETHI = 0.001 -- Ore seam thickness tuner
@ -73,8 +77,8 @@ local np_smooth = {
scale = 1,
spread = {x=512, y=512, z=512},
seed = 593,
octaves = 5,
persist = 0.4
octaves = 6,
persist = 0.3
}
-- 3D noise for faults
@ -263,6 +267,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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 c_wslava = minetest.get_content_id("watershed:lava")
local sidelen = x1 - x0 + 1
local chulens = {x=sidelen, y=sidelen+2, z=sidelen}
@ -306,6 +311,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
local triv = TRIV * (1 - altprop * 1.1)
local tsand = TSAND * (1 - altprop * 1.1)
local tstone = TSTONE * (1 - math.atan(altprop) * 0.6) -- 1 to 0.05
local tlava = TLAVA * (1 - terblen ^ 10)
local density
if nvals_fault[nixyz] >= 0 then
density = densitybase
@ -373,7 +379,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
end
end
if density >= tstone and nofis -- stone cut by fissures
if density >= TSTONE and densitybase >= tlava then
data[vi] = c_wslava
stable[si] = 0
under[si] = 0
elseif 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 densitybase >= triv ) then -- stone around river
local densitystr = nvals_strata[nixyz] / 4 + (TERCEN - y) / TERSCA