forked from mtcontrib/watershed
Revert 4 noise canyongen. Fissures. Ores. Return to 0.2.0 parameters
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paramat
parent
1155082ec0
commit
13e02268e7
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@ -1,4 +1,4 @@
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watershed 0.2.1 by paramat
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watershed 0.2.2 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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99
init.lua
99
init.lua
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@ -1,4 +1,4 @@
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-- watershed 0.2.1 by paramat
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-- watershed 0.2.2 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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@ -8,8 +8,8 @@
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local YMIN = 6000
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local YMAX = 8000 -- Top of atmosphere / mountains / floatlands
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local TERCEN = 7008 -- Terrain centre
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local YWAT = 7104 -- Sea level
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local TERSCA = 512 -- Vertical terrain scale
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local YWAT = 7024 -- Sea level
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local TERSCA = 384 -- Vertical terrain scale
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local XLSAMP = 0 -- Extra large scale height variation amplitude
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local BASAMP = 0.3 -- Base terrain amplitude
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local CANAMP = 0.7 -- Canyon terrain amplitude
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@ -17,14 +17,17 @@ local CANEXP = 1.33 -- Canyon shape exponent
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local TSTONE = 0.015 -- Density threshold for stone
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local TRIV = -0.027 -- Maximum densitybase threshold for river water
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local TSAND = -0.03 -- Maximum densitybase threshold for 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 = 1 / (7 * 7 * 7) -- Ore chance per stone node
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local PINCHA = 47
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local APTCHA = 47
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local FLOCHA = 36
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local FOGCHA = 9
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local GRACHA = 5
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local JUTCHA = 16
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local JUGCHA = 9
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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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local FLOCHA = 36 -- Flower
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local FOGCHA = 9 -- Forest grass
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local GRACHA = 5 -- Grassland grasses
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local JUTCHA = 16 -- Jungletree
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local JUGCHA = 9 -- Junglegrass
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-- 3D noise for rough terrain
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@ -37,17 +40,6 @@ local np_rough = {
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persist = 0.63
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}
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-- 3D alt noise for rough terrain
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local np_roughalt = {
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offset = 0,
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scale = 1,
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spread = {x=828, y=828, z=828},
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seed = -7,
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octaves = 6,
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persist = 0.63
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}
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-- 3D noise for smooth terrain
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local np_smooth = {
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@ -59,15 +51,15 @@ local np_smooth = {
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persist = 0.4
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}
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-- 3D alt noise for smooth terrain
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-- 3D noise for fissures
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local np_smoothalt = {
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local np_fissure = {
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offset = 0,
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scale = 1,
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spread = {x=828, y=828, z=828},
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seed = -7,
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octaves = 6,
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persist = 0.4
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spread = {x=256, y=512, z=256},
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seed = 20099,
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octaves = 5,
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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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@ -138,6 +130,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local c_snowblock = minetest.get_content_id("default:snowblock")
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local c_dirtsnow = minetest.get_content_id("default:dirt_with_snow")
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local c_jungrass = minetest.get_content_id("default:junglegrass")
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local c_stodiam = minetest.get_content_id("default:stone_with_diamond")
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local c_stomese = minetest.get_content_id("default:stone_with_mese")
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local c_stogold = minetest.get_content_id("default:stone_with_gold")
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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_wswater = minetest.get_content_id("watershed:water")
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local c_wsstone = minetest.get_content_id("watershed:stone")
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@ -152,8 +150,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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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_roughalt = minetest.get_perlin_map(np_roughalt, chulens):get3dMap_flat(minposxyz)
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local nvals_smoothalt = minetest.get_perlin_map(np_smoothalt, 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_base = minetest.get_perlin_map(np_base, chulens):get2dMap_flat(minposxz)
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local nvals_biome = minetest.get_perlin_map(np_biome, chulens):get2dMap_flat(minposxz)
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@ -188,22 +185,43 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local triv = TRIV * (1 - terblen * 1.1) -- 1.1 river disappears before ridge top
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local tsand = TSAND * (1 - terblen * 1.1)
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local tstone = TSTONE * (1 + grad * 1.5)
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local density = densitybase + math.abs(
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(nvals_rough[nixyz] + nvals_roughalt[nixyz]) / 2 * terblen
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+ (nvals_smooth[nixyz] + nvals_smoothalt[nixyz]) / 2 * (1 - terblen)
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) ^ CANEXP * CANAMP
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local density = densitybase
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+ math.abs(nvals_rough[nixyz] * terblen + nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP
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if density >= tstone then -- stone
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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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nofis = true
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end
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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 * 2 and y <= YWAT) then -- or stone layer around water
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if n_biome > 0.7 then
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data[vi] = c_wsredstone
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elseif math.random() < ORECHA 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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else
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data[vi] = c_wsstone
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end
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stable[si] = stable[si] + 1
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elseif density >= 0 and density < tstone and stable[si] >= 2 then -- fine materials
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if densitybase >= tsand or y <= YWAT + 1 + math.random(2) then
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data[vi] = c_sand -- riverbed, seabed
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else
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if densitybase >= tsand or y <= YWAT + 1 + math.random(2) then -- river / seabed not cut by fissures
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data[vi] = c_sand
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elseif nofis then -- fine materials cut by fissures
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if n_biome > 0.7 then
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data[vi] = c_desand
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under[si] = 5 -- desert
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@ -220,12 +238,15 @@ minetest.register_on_generated(function(minp, maxp, seed)
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data[vi] = c_wsdirt
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under[si] = 1 -- taiga
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end
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else -- fissure
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stable[si] = 0
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under[si] = 0
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end
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elseif y <= YWAT then -- sea level water
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elseif y <= YWAT and density < tstone then -- sea water, not in fissures
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data[vi] = c_water
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stable[si] = 0
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under[si] = 0
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elseif densitybase >= triv then -- river water
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elseif densitybase >= triv and density < tstone then -- river water, not in fissures
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data[vi] = c_wswater
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stable[si] = 0
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under[si] = 0
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@ -72,7 +72,7 @@ minetest.register_node("watershed:water", {
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liquid_alternative_source = "watershed:water",
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liquid_viscosity = WATER_VISC,
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liquid_renewable = false,
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liquid_range = 4,
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liquid_range = 3,
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post_effect_color = {a=64, r=100, g=100, b=200},
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groups = {water=3, liquid=3, puts_out_fire=1},
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})
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@ -109,7 +109,7 @@ minetest.register_node("watershed:waterflow", {
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liquid_alternative_source = "watershed:water",
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liquid_viscosity = WATER_VISC,
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liquid_renewable = false,
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liquid_range = 4,
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liquid_range = 3,
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post_effect_color = {a=64, r=100, g=100, b=200},
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groups = {water=3, liquid=3, puts_out_fire=1, not_in_creative_inventory=1},
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})
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