forked from mtcontrib/watershed
Ores and sandstone as sloping veins and strata
This commit is contained in:
paramat
parent
907856ada4
commit
532ca01bd1
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@ -1,4 +1,4 @@
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watershed 0.2.5 by paramat
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watershed 0.2.6 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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102
init.lua
102
init.lua
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@ -1,12 +1,13 @@
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-- watershed 0.2.5 by paramat
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-- watershed 0.2.6 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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-- 0.2.5 ores hidden below surface
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-- 3D temp / humid biome system, 8 biomes
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-- swap drygrass and grassland, variety of grasses in each, flowers in grassland, junglegrass moved to rainforest
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-- darkclouds back again
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-- darkcloud node def was missing
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-- ores and sandstone as strata with gentle sloping
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-- TODO
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-- more strata: gravel, sand, desert stone ...
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-- clay
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-- Parameters
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@ -23,14 +24,14 @@ local CANAMP = 0.6 -- Canyon terrain amplitude
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local CANEXP = 1.33 -- Canyon shape exponent
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local ATANAMP = 1.2 -- Arctan function amplitude, controls size and number of floatlands / caves
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local TSTONE = 0.02 -- Density threshold for stone, depth of soil at TERCEN
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local TSTONE = 0.02 -- 0.02 -- Density threshold for stone, depth of soil at TERCEN
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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 ORECHA = 7 * 7 * 7 -- Ore chance per stone node
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local ORECHA = 2 -- Ore 1/x chance per vein node
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local ORETHI = 0.003 -- Ore vein thickness tuner
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local TCLOUD = 0.5 -- Cloud threshold
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local TDCLOUD = 1 -- Dark cloud threshold
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local HITET = 0.5 -- --
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local LOTET = -0.5 -- --
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@ -38,6 +39,8 @@ 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 PINCHA = 47 -- Pine tree 1/x chance per node
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local APTCHA = 47 -- Appletree
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@ -60,7 +63,7 @@ local np_rough = {
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spread = {x=512, y=512, z=512},
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seed = 593,
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octaves = 6,
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persist = 0.63
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persist = 0.67
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}
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-- 3D noise for smooth terrain
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@ -107,6 +110,17 @@ local np_humid = {
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persist = 0.5
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}
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-- 3D noise for strata variation
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local np_stratavar = {
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offset = 0,
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scale = 1,
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spread = {x=128, y=32, z=128},
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seed = -992221,
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octaves = 2,
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persist = 0.5
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}
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-- 2D noise for base terrain / riverbed height / mountain ranges, terrain blend, river and river sand depth
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local np_base = {
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@ -140,6 +154,17 @@ 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 = 23,
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octaves = 2,
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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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@ -183,6 +208,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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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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@ -199,17 +225,21 @@ minetest.register_on_generated(function(minp, maxp, seed)
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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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local nvals_fissure = minetest.get_perlin_map(np_fissure, 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_stratavar = minetest.get_perlin_map(np_stratavar, 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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@ -240,7 +270,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local altprop = (y - YWAT) / (TERCEN + TERSCA - YWAT)
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local triv = TRIV * (1 - altprop * 1.1)
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local tsand = TSAND * (1 - altprop * 1.1)
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local tstone = TSTONE * (1 - math.atan(altprop) * 0.6) -- 1 to 0.05 for thin dirt/sand on floatlands
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local tstone = TSTONE * (1 - math.atan(altprop) * 0.6) -- 1 to 0.05
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local 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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@ -280,25 +310,26 @@ minetest.register_on_generated(function(minp, maxp, seed)
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end
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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) -- or stone layer around water
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or (density >= tstone and density < TSTONE * 3 and densitybase >= triv ) then -- or stone layer around river
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if math.random(ORECHA) == 2 and density >= TSTONE then
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local osel = math.random(34)
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if osel == 34 then
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data[vi] = c_stodiam
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elseif osel >= 31 then
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data[vi] = c_stomese
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elseif osel >= 28 then
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data[vi] = c_stogold
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elseif osel >= 19 then
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data[vi] = c_stocopp
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elseif osel >= 10 then
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data[vi] = c_stoiron
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else
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data[vi] = c_stocoal
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end
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elseif biome == 6 then
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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] + nvals_stratavar[nixyz] / 4
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if biome == 6 then
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data[vi] = c_wsredstone
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elseif n_strata >= 0 and n_strata <= ORETHI * 8 then
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data[vi] = c_sandstone
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elseif n_strata >= 1 and n_strata <= 1 + ORETHI then
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data[vi] = c_stodiam
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elseif n_strata >= 0.6 and n_strata <= 0.6 + ORETHI then
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data[vi] = c_stomese
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elseif n_strata >= 0.2 and n_strata <= 0.2 + ORETHI then
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data[vi] = c_stogold
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elseif n_strata >= -0.2 and n_strata <= -0.2 + ORETHI * 2 then
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data[vi] = c_stocopp
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elseif n_strata >= -0.6 and n_strata <= -0.6 + ORETHI * 2 then
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data[vi] = c_stoiron
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elseif n_strata >= -1 and n_strata <= -1 + ORETHI * 4 then
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data[vi] = c_stocoal
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else
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data[vi] = c_wsstone
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end
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@ -306,7 +337,8 @@ minetest.register_on_generated(function(minp, maxp, seed)
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under[si] = 0
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soil[si] = 0
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elseif density >= 0 and density < tstone and stable[si] >= 2 then -- fine materials
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if densitybase >= tsand + math.random() * 0.003 or y <= YWAT + 1 + math.random(2) then
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if densitybase >= tsand + math.random() * 0.003
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or y <= YWAT + 1 + math.random(2) then
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data[vi] = c_sand -- river / seabed sand not cut by fissures
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elseif nofis then -- fine materials cut by fissures
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if biome == 6 then
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@ -369,10 +401,14 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local xrq = 16 * math.floor((x - x0) / 16)
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local zrq = 16 * math.floor((z - z0) / 16)
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local qixz = zrq * 80 + xrq + 1
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if nvals_cloud[qixz] > TDCLOUD then
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data[vi] = c_wsdarkcloud
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elseif nvals_cloud[qixz] > TCLOUD then
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data[vi] = c_wscloud
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if nvals_cloud[qixz] > TCLOUD then
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local yrq = 16 * math.floor((y - y0) / 16)
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local qixyz = zrq * 6400 + yrq * 80 + xrq + 1
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if nvals_humid[qixyz] > DCLOHUT then
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data[vi] = c_wsdarkcloud
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elseif nvals_humid[qixyz] > CLOHUT then
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data[vi] = c_wscloud
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end
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end
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stable[si] = 0
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under[si] = 0
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21
nodes.lua
21
nodes.lua
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@ -40,6 +40,7 @@ minetest.register_node("watershed:grass", {
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minetest.register_node("watershed:redstone", {
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description = "WS Red Stone",
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tiles = {"default_desert_stone.png"},
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is_ground_content = false,
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groups = {cracky=3},
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sounds = default.node_sound_stone_defaults(),
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})
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@ -47,6 +48,7 @@ minetest.register_node("watershed:redstone", {
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minetest.register_node("watershed:stone", {
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description = "WS Stone",
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tiles = {"default_stone.png"},
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is_ground_content = false,
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groups = {cracky=3},
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sounds = default.node_sound_stone_defaults(),
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})
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@ -62,10 +64,27 @@ minetest.register_node("watershed:cloud", {
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pointable = false,
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diggable = false,
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buildable_to = true,
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is_ground_content = false,
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post_effect_color = {a=64, r=241, g=248, b=255},
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groups = {not_in_creative_inventory=1},
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})
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minetest.register_node("watershed:darkcloud", {
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description = "WS Dark Cloud",
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drawtype = "glasslike",
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tiles = {"watershed_darkcloud.png"},
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paramtype = "light",
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is_ground_content = false,
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sunlight_propagates = true,
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walkable = false,
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pointable = false,
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diggable = false,
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buildable_to = true,
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is_ground_content = false,
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post_effect_color = {a=128, r=241, g=248, b=255},
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groups = {not_in_creative_inventory=1},
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})
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minetest.register_node("watershed:cactus", {
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description = "WS Cactus",
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tiles = {"default_cactus_top.png", "default_cactus_top.png", "default_cactus_side.png"},
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@ -86,7 +105,7 @@ minetest.register_node("watershed:goldengrass", {
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paramtype = "light",
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walkable = false,
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buildable_to = true,
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is_ground_content = true,
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is_ground_content = false,
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groups = {snappy=3,flammable=3,flora=1,attached_node=1},
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sounds = default.node_sound_leaves_defaults(),
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selection_box = {
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