Obsidian volcanos, stacked realm/singlenode options, bugfixes
This commit is contained in:
paramat
230
functions.lua
230
functions.lua
@ -249,137 +249,143 @@ minetest.register_abm({
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end,
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})
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-- Set mapgen parameters
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-- Singlenode mapgen option
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minetest.register_on_mapgen_init(function(mgparams)
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minetest.set_mapgen_params({mgname="singlenode", flags = "nolight", flagmask = "nolight"})
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end)
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local SINGLENODE = true
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-- Spawn player
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if SINGLENODE then
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-- Set mapgen parameters
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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 = 1.1 -- 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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local CANEXP = 1.33 -- Canyon shape exponent
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local xsp
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local ysp
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local zsp
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local np_rough = {
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offset = 0,
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scale = 1,
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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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}
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local np_smooth = {
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offset = 0,
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scale = 1,
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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 = 0.3
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}
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local np_fault = {
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offset = 0,
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scale = 1,
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spread = {x=512, y=1024, z=512},
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seed = 14440002,
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octaves = 6,
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persist = 0.5
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}
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local np_base = {
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offset = 0,
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scale = 1,
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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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}
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local np_xlscale = {
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offset = 0,
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scale = 1,
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spread = {x=8192, y=8192, z=8192},
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seed = -72,
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octaves = 3,
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persist = 0.4
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}
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for chunk = 1, 32 do
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print ("[watershed] chunk "..chunk)
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local x0 = 80 * math.random(-24, 24) - 32
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local z0 = 80 * math.random(-24, 24) - 32
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local y0 = -32
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local x1 = x0 + 79
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local z1 = z0 + 79
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local y1 = 47
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minetest.register_on_mapgen_init(function(mgparams)
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minetest.set_mapgen_params({mgname="singlenode", flags = "nolight", flagmask = "nolight"})
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end)
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-- Spawn player
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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 = 1.1 -- 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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local CANEXP = 1.33 -- Canyon shape exponent
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local xsp
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local ysp
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local zsp
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local np_rough = {
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offset = 0,
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scale = 1,
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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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}
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local np_smooth = {
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offset = 0,
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scale = 1,
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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 = 0.3
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}
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local np_fault = {
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offset = 0,
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scale = 1,
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spread = {x=512, y=1024, z=512},
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seed = 14440002,
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octaves = 6,
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persist = 0.5
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}
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local np_base = {
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offset = 0,
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scale = 1,
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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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}
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local np_xlscale = {
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offset = 0,
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scale = 1,
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spread = {x=8192, y=8192, z=8192},
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seed = -72,
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octaves = 3,
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persist = 0.4
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}
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for chunk = 1, 32 do
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print ("[watershed] chunk "..chunk)
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local x0 = 80 * math.random(-24, 24) - 32
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local z0 = 80 * math.random(-24, 24) - 32
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local y0 = -32
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local x1 = x0 + 79
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local z1 = z0 + 79
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local y1 = 47
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local sidelen = 80
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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 sidelen = 80
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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 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_fault = minetest.get_perlin_map(np_fault, chulens):get3dMap_flat(minposxyz)
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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_fault = minetest.get_perlin_map(np_fault, 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_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 nixz = 1
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local nixyz = 1
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for z = z0, z1 do
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for y = y0, y1 do
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for x = x0, x1 do
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local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP
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local n_base = nvals_base[nixz]
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local terblen = math.max(1 - math.abs(n_base), 0)
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local densitybase = (1 - math.abs(n_base)) * BASAMP + nvals_xlscale[nixz] * XLSAMP + grad
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local density
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if nvals_fault[nixyz] >= 0 then
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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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else
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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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local nixz = 1
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local nixyz = 1
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for z = z0, z1 do
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for y = y0, y1 do
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for x = x0, x1 do
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local grad = math.atan((TERCEN - y) / TERSCA) * ATANAMP
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local n_base = nvals_base[nixz]
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local terblen = math.max(1 - math.abs(n_base), 0)
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local densitybase = (1 - math.abs(n_base)) * BASAMP + nvals_xlscale[nixz] * XLSAMP + grad
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local density
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if nvals_fault[nixyz] >= 0 then
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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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else
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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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end
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if y >= 1 and density > -0.01 and density < 0 then
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ysp = y
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xsp = x
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zsp = z
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break
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end
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nixz = nixz + 1
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nixyz = nixyz + 1
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end
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if y >= 1 and density > -0.01 and density < 0 then
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ysp = y
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xsp = x
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zsp = z
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if ysp then
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break
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end
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nixz = nixz + 1
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nixyz = nixyz + 1
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nixz = nixz - 80
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end
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if ysp then
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break
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end
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nixz = nixz - 80
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nixz = nixz + 80
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end
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if ysp then
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break
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end
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nixz = nixz + 80
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end
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if ysp then
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break
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end
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print ("[watershed] spawn player ("..xsp.." "..ysp.." "..zsp..")")
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player:setpos({x=xsp, y=ysp, z=zsp})
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end
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print ("[watershed] spawn player ("..xsp.." "..ysp.." "..zsp..")")
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player:setpos({x=xsp, y=ysp, z=zsp})
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end
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minetest.register_on_newplayer(function(player)
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spawnplayer(player)
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end)
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minetest.register_on_newplayer(function(player)
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spawnplayer(player)
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end)
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minetest.register_on_respawnplayer(function(player)
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spawnplayer(player)
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return true
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end)
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minetest.register_on_respawnplayer(function(player)
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spawnplayer(player)
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return true
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end)
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end
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