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watershed
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Less obsidian mess

This commit is contained in:
paramat 2014-04-04 07:17:26 +01:00
parent 00453be530
commit b463ff7aa5
1 changed files with 2 additions and 10 deletions
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12
init.lua
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@ -3,13 +3,6 @@
-- Depends default bucket
-- License: code WTFPL
-- tune volcanos
-- retune arctan 'grad'
-- mod clouds return at y = 256
-- no dark clouds
-- TODO
-- fog
-- Parameters
local YMIN = -33000 -- Approximate base of realm stone
@ -30,7 +23,6 @@ local TSTONE = 0.03 -- Density threshold for stone, depth of soil at TERCEN
local TRIV = -0.02 -- Maximum densitybase threshold for river water
local TSAND = -0.025 -- Maximum densitybase threshold for river sand
local TLAVA = 2.3 -- Maximum densitybase threshold for lava, small because grad is non-linear
local VOLC = 0.5 -- Amount of volcanos, 0.5 = rare, 1 = lots
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
@ -310,7 +302,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
local triv = TRIV * (1 - terblen) -- other values
local tsand = TSAND * (1 - terblen)
local tstone = TSTONE * (1 + grad * 0.5)
local tlava = TLAVA * (1 - nvals_magma[nixz] ^ 4 * terblen ^ 16 * VOLC)
local tlava = TLAVA * (1 - nvals_magma[nixz] ^ 4 * terblen ^ 16 * 0.5)
local nofis = false
if density >= 0 then -- if terrain set fissure flag
if math.abs(nvals_fissure[nixyz]) > FIST + math.sqrt(density) * FISEXP then
@ -374,7 +366,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
end
stable[si] = 0
under[si] = 0
elseif densitybase >= tlava - math.min(1.5 + density * 15, 1.5) and density < tstone then -- obsidian
elseif densitybase >= tlava - math.min(0.6 + density * 6, 0.6) and density < tstone then -- obsidian
data[vi] = c_obsidian
stable[si] = 1
under[si] = 0