5 realm types, add vertical, inverted
paramat
parent
8701775fe8
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29e1f2ae27
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@ -1,4 +1,4 @@
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flexrealm 0.2.2 by paramat
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flexrealm 0.2.3 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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Licenses: code WTFPL, textures CC BY-SA
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75
init.lua
75
init.lua
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@ -1,20 +1,40 @@
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-- flexrealm 0.2.2 by paramat
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-- flexrealm 0.2.3 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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-- Licenses: code WTFPL, textures CC BY-SA
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-- Variables
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local XMIN = -33000 -- Approximate limits
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local flex = false -- 3D noise flexy realm
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local flat = true -- normal flat realm
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local vert = false -- vertical flat realm
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local invert = false -- inverted flat realm
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local sphere = false -- dyson sphere
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local XMIN = -33000 -- Limits for all realm types
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local XMAX = 33000
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local YMIN = -32
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local YMAX = 33000
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local ZMIN = -33000
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local ZMAX = 33000
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local GFAC = 10 -- -- Density gradient factor (noise4 multiplier). Reduce for higher hills
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-- Flexy realm
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local GFAC = 10 -- Density gradient factor (noise4 multiplier). Reduce for higher hills
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-- Large scale density field grad = noise4 * GFAC
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local TERRS = 96 -- Terrain scale for all realms below
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-- Normal flat realm
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local FLATY = 5000 -- Surface y
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-- Vertical flat realm facing south
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local VERTZ = 0 -- Surface z
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-- Inverted flat realm
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local INVEY = 5000 -- Surface y
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-- Dyson sphere
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local SPHEX = 0 --
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local SPHEZ = 0 --
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local SPHEY = 15000 --
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local SPHER = 10000 --
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-- Large scale density field 'grad'
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local ICET = 0.05 -- -- Ice density threshold
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local SANT = -0.05 -- -- Beach top density threshold
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local SANR = -0.02 -- -- Beach top density threshold randomness
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@ -23,7 +43,7 @@ local ROCK = -0.5 -- -- Rocky terrain density threshold
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local CLLT = -1 -- -- Cloud low density threshold
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local CLHT = -0.995 -- -- Cloud high density threshold
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-- Terrain density field
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-- Terrain density field 'density = terno + grad'
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local DEPT = 1.5 -- -- Realm depth density threshold
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local SSLT1 = 0.20 -- -- Sandstone strata low density threshold1
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local SSHT1 = 0.25 -- -- Sandstone strata high density threshold1
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@ -252,6 +272,31 @@ minetest.register_on_generated(function(minp, maxp, seed)
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for x = x0, x1 do -- for each node do
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local vi = area:index(x, y, z) -- LVM index for node
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local nodid = data[vi] -- node
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local terno
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local grad
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local noise6 = nvals6[ni] -- faults
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local terblen = math.min(math.abs(nvals8[ni]) * 2, 1) -- terrain blend with smooth
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if noise6 > 0 then
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terno = (nvals1[ni] + nvals5[ni]) / 2 * (1 - terblen) + nvals7[ni] * terblen
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else
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terno = (nvals1[ni] - nvals5[ni]) / 2 * (1 - terblen) - nvals7[ni] * terblen
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end
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if flex then
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local noise4 = nvals4[ni]
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grad = noise4 * GFAC
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elseif flat then
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grad = (FLATY - y) / TERRS
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elseif vert then
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grad = (VERTZ - z) / TERRS
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elseif invert then
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grad = (INVEY - y) / TERRS
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elseif sphere then
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local nodrad = ((x - SPHEX) ^ 2 + (y - SPHEY) ^ 2 + (z - SPHEZ) ^ 2) ^ 0.5
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grad = (nodrad - SPHER) / TERRS
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end
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local density = terno + grad -- terrain density field
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local desert = false -- desert biome
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local savanna = false -- savanna biome
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local raforest = false -- rainforest biome
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@ -260,23 +305,6 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local deforest = false -- deciduous forest biome
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local tundra = false -- tundra biome
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local taiga = false -- taiga forest biome
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local nofis
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local terno -- terrain noise
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local noise6 = nvals6[ni] -- faults
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local terblen = math.min(math.abs(nvals8[ni]) * 2, 1) -- terrain blend with smooth
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if noise6 > 0 then
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terno = (nvals1[ni] + nvals5[ni]) / 2 * (1 - terblen) + nvals7[ni] * terblen
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else
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terno = (nvals1[ni] - nvals5[ni]) / 2 * (1 - terblen) - nvals7[ni] * terblen
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end
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local noise4 = nvals4[ni]
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--local grad = noise4 * GFAC -- large scale density field
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local grad = (168 - y) / 96 -- flat realm for testing, normally disable this line
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--local nodrad = (x ^ 2 + (y - 15000) ^ 2 + z ^ 2) ^ 0.5 -- sphere realm for testing, normally disable this line
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--local grad = (nodrad - 10000) / 96 -- sphere realm for testing, normally disable this line
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local density = terno + grad -- terrain density field
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if (density > 0 or grad > 0) and density <= DEPT then -- if terrain or water calculate biome
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local temp = nvals2[ni] + grad
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local humid = nvals9[ni] + grad
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@ -302,7 +330,8 @@ minetest.register_on_generated(function(minp, maxp, seed)
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deforest = true
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end
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end
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local nofis
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if density > 0 and density <= DEPT then -- if terrain then set nofis
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nofis = false
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if math.abs(nvals3[ni]) > FITS + density ^ 0.5 * FEXP then -- if no fissure then
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