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https://github.com/paramat/watershed.git
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Bugfix spawn function. 2 iron ore layers per 512n
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paramat
parent
d2d8c88571
commit
ba596b269f
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@ -226,7 +226,7 @@ if SINGLENODE then
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function spawnplayer(player)
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local TERCEN = -160 -- Terrain 'centre', average seabed level
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local TERSCA = 512 -- Vertical terrain scale
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local ATANAMP = 1.2 -- Arctan function amplitude, smaller = more and larger floatlands above ridges
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local ATANAMP = 1.1 -- Arctan function amplitude, smaller = more and larger floatlands above ridges
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local XLSAMP = 0.2 -- Extra large scale height variation amplitude
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local BASAMP = 0.4 -- Base terrain amplitude
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local CANAMP = 0.4 -- Canyon terrain amplitude
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@ -248,7 +248,7 @@ if SINGLENODE then
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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 = 0.4
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persist = 0.33
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}
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local np_base = {
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offset = 0,
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@ -256,7 +256,7 @@ if SINGLENODE then
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spread = {x=4096, y=4096, z=4096},
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seed = 8890,
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octaves = 4,
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persist = 0.4
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persist = 0.33
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}
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local np_xlscale = {
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offset = 0,
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59
init.lua
59
init.lua
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@ -4,10 +4,8 @@
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-- License: code WTFPL, textures CC BY-SA
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-- Red cobble texture CC BY-SA by brunob.santos
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-- terrain and biome noise changes
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-- bugfix: under table set to 0
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-- bugfix: reset icetet value
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-- more floatlands, spikier mountains
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-- bugfix spawn function
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-- 2 iron ore layers
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-- Parameters
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@ -191,10 +189,10 @@ minetest.register_on_generated(function(minp, maxp, seed)
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print ("[watershed] chunk minp ("..x0.." "..y0.." "..z0..")")
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-- voxelmanip stuff
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local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
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local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
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local data = vm:get_data()
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local vm, emin, emax = minetest.get_mapgen_object("voxelmanip") -- min, max points for emerged area/voxelarea
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local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax} -- voxelarea helper for indexes
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local data = vm:get_data() -- get flat array of voxelarea content ids
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-- content ids
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local c_air = minetest.get_content_id("air")
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local c_water = minetest.get_content_id("default:water_source")
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local c_sand = minetest.get_content_id("default:sand")
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@ -235,11 +233,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local c_wscloud = minetest.get_content_id("watershed:cloud")
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local c_wsluxoreoff = minetest.get_content_id("watershed:luxoreoff")
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-- perlinmap stuff
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local sidelen = x1 - x0 + 1
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local chulens = {x=sidelen, y=sidelen+2, z=sidelen}
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local minposxyz = {x=x0, y=y0-1, z=z0}
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local sidelen = x1 - x0 + 1 -- chunk sidelength
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local chulens = {x=sidelen, y=sidelen+2, z=sidelen} -- chunk dimensions, '+2' for overgeneration
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local minposxyz = {x=x0, y=y0-1, z=z0} -- 3D and 2D perlinmaps start from these co-ordinates, '-1' for overgeneration
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local minposxz = {x=x0, y=z0}
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-- 3D and 2D perlinmaps
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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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@ -257,18 +255,18 @@ minetest.register_on_generated(function(minp, maxp, seed)
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ungen = true
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end
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-- mapgen loop
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local nixyz = 1
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local nixyz = 1 -- 3D and 2D perlinmap indexes
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local nixz = 1
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local stable = {} -- stability table of true/false. is node supported from below by 2 stone or nodes on 2 stone?
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local under = {} -- biome table. biome number of previous fine material placed in column
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for z = z0, z1 do -- for each xy plane progressing northwards
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for y = y0 - 1, y1 + 1 do -- for each x row progressing upwards
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local vi = area:index(x0, y, z)
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local viu = area:index(x0, y-1, z)
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local vi = area:index(x0, y, z) -- voxelmanip index for first node in this x row
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local viu = area:index(x0, y-1, z) -- index for under node
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for x = x0, x1 do -- for each node do
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local si = x - x0 + 1 -- stable, under tables index
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local n_rough = nvals_rough[nixyz] -- noise values for node
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-- noise values for node
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local n_rough = nvals_rough[nixyz]
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local n_smooth = nvals_smooth[nixyz]
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local n_fissure = nvals_fissure[nixyz]
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local n_temp = nvals_temp[nixyz]
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@ -281,17 +279,17 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local n_magma = nvals_magma[nixz]
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-- get densitybase and density
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local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP -- vertical density gradient
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local densitybase = (1 - math.abs(n_base)) * BASAMP + n_xlscale * XLSAMP + grad -- base terrain or ridge networks
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local terblen = math.max(1 - math.abs(n_base), 0) -- terrain blend rough and smooth
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local densitybase = (1 - math.abs(n_base)) * BASAMP + n_xlscale * XLSAMP + grad -- base terrain
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local terblen = math.max(1 - math.abs(n_base), 0) -- canyon terrain blend of rough and smooth
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local density = densitybase
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+ math.abs(n_rough * terblen + n_smooth * (1 - terblen)) ^ CANEXP * CANAMP -- add canyon terrain
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local triv = TRIV * (1 - terblen) -- other values
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local tsand = TSAND * (1 - terblen)
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local tstone = TSTONE * (1 + grad * 0.5)
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local tlava = TLAVA * (1 - n_magma ^ 4 * terblen ^ 16 * 0.5)
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local ysand = YSAV + n_fissure * SAMP + math.random() * 2
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local bergdep = math.abs(n_seam) * BERGDEP
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-- other values
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local triv = TRIV * (1 - terblen) -- river threshold
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local tsand = TSAND * (1 - terblen) -- sand threshold
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local tstone = TSTONE * (1 + grad * 0.5) -- stone threshold
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local tlava = TLAVA * (1 - n_magma ^ 4 * terblen ^ 16 * 0.5) -- lava threshold
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local ysand = YSAV + n_fissure * SAMP + math.random() * 2 -- sandline
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local bergdep = math.abs(n_seam) * BERGDEP -- iceberg depth
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local nofis = false -- set fissure bool
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if math.abs(n_fissure) > math.sqrt(density) * FISEXP then
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@ -385,8 +383,8 @@ minetest.register_on_generated(function(minp, maxp, seed)
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data[vi] = c_sandstone
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elseif biome == 7 and density < TSTONE * 4 then -- desert stone as surface layer
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data[vi] = c_wsredstone
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elseif math.abs(n_seam) < SEAMT then -- if seam
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if densityper >= 0 and densityper <= ORETHI * 4 then
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elseif math.abs(n_seam) < SEAMT then
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if densityper >= 0 and densityper <= ORETHI * 4 then -- ore seams
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data[vi] = c_stocoal
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elseif densityper >= 0.3 and densityper <= 0.3 + ORETHI * 4 then
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data[vi] = c_stocoal
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@ -399,6 +397,9 @@ minetest.register_on_generated(function(minp, maxp, seed)
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elseif densityper >= 0.1 and densityper <= 0.1 + ORETHI * 2 then
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data[vi] = c_wsluxoreoff
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elseif densityper >= 0.2 and densityper <= 0.2 + ORETHI * 2
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and math.random(2) == 2 then
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data[vi] = c_stoiron
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elseif densityper >= 0.65 and densityper <= 0.65 + ORETHI * 2
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and math.random(2) == 2 then
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data[vi] = c_stoiron
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elseif densityper >= 0.4 and densityper <= 0.4 + ORETHI * 2
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@ -610,7 +611,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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end
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end
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end
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nixyz = nixyz + 1
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nixyz = nixyz + 1 -- increment perlinmap and voxelarea indexes along x row
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nixz = nixz + 1
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vi = vi + 1
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viu = viu + 1
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