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https://github.com/sys4-fr/server-nalc.git
synced 2025-06-28 14:16:06 +02:00
Unified temperature and humidity noises
This commit is contained in:
Gael-de-Sailly
@ -60,158 +60,162 @@ local flora = {
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DUGCHA = 16, -- Dune grass
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}
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local np = {
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-- pack it in a single table to avoid "function has more than 60 upvalues"
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-- 3D noises
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-- 3D noise for terrain
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local np_terrain = {
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terrain = {
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offset = 0,
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scale = 1,
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spread = {x=384, y=192, z=384},
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seed = 593,
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octaves = 5,
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persist = 0.67
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}
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},
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-- 3D noise for fissures
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local np_fissure = {
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fissure = {
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offset = 0,
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scale = 1,
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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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-- 3D noise for temperature
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local np_temp = {
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offset = 0,
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scale = 1,
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spread = {x=256, y=128, z=256},
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seed = 9130,
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octaves = 3,
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persist = 0.5
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}
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-- 3D noise for humidity
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local np_humid = {
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offset = 0,
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scale = 1,
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spread = {x=256, y=128, z=256},
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seed = -55500,
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octaves = 3,
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persist = 0.5
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}
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},
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-- 3D noise for ore seam networks
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local np_seam = {
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seam = {
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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 = -992221,
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octaves = 2,
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persist = 0.5
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}
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},
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-- 3D noise for rock strata inclination
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local np_strata = {
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strata = {
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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 = 92219,
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octaves = 3,
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persist = 0.5
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}
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},
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-- 3D noises for caves, from Valleys Mapgen mod by Gael-de-Sailly
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local np_cave1 = {
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cave1 = {
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offset = 0,
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scale = 1,
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spread = {x = 32, y = 32, z = 32},
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seed = -4640,
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octaves = 4,
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persist = 0.5
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}
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},
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local np_cave2 = {
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cave2 = {
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offset = 0,
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scale = 1,
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seed = 8804,
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spread = {x = 32, y = 32, z = 32},
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octaves = 4,
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persist = 0.5
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}
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},
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local np_cave3 = {
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cave3 = {
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offset = 0,
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scale = 1,
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seed = -4780,
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spread = {x = 32, y = 32, z = 32},
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octaves = 4,
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persist = 0.5
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}
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},
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local np_cave4 = {
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cave4 = {
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offset = 0,
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scale = 1,
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seed = -9969,
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spread = {x = 32, y = 32, z = 32},
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octaves = 4,
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persist = 0.5
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}
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},
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-- 2D noises
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-- 2D noise for mid terrain / streambed height
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local np_mid = {
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mid = {
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offset = 0,
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scale = 1,
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spread = {x=768, y=768, z=768},
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seed = 85546,
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octaves = 5,
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persist = 0.5
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}
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},
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-- 2D noise for base terrain / riverbed height
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local np_base = {
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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 = 3,
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persist = 0.33
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}
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},
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-- 2D noise for extra large scale height variation
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local np_xlscale = {
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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 = 0.33
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}
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},
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-- 2D noise for magma surface
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local np_magma = {
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magma = {
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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 = -13,
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octaves = 2,
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persist = 0.5
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}
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},
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-- 2D noise for temperature, the same than in Plantlife and Snowdrift
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temp = {
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offset = 0,
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scale = 1,
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spread = {x=256, y=256, z=256},
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seed = 112,
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octaves = 3,
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persist = 0.5
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},
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-- 2D noise for humidity
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humid = {
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offset = 0,
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scale = 1,
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spread = {x=256, y=256, z=256},
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seed = 72384,
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octaves = 4,
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persist = 0.66
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},
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}
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-- Stuff
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@ -219,15 +223,19 @@ local np_magma = {
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local nobj_terrain = nil
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local nobj_fissure = nil
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local nobj_temp = nil
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local nobj_humid = nil
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local nobj_seam = nil
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local nobj_strata = nil
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local nobj_cave1 = nil
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local nobj_cave2 = nil
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local nobj_cave3 = nil
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local nobj_cave4 = nil
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local nobj_mid = nil
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local nobj_base = nil
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local nobj_xlscale = nil
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local nobj_magma = nil
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local nobj_temp = nil
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local nobj_humid = nil
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dofile(minetest.get_modpath("watershed").."/nodes.lua")
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dofile(minetest.get_modpath("watershed").."/functions.lua")
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@ -285,26 +293,24 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
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local minposxyz = {x=x0, y=y0-1, z=z0}
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local minposxz = {x=x0, y=z0} -- here x = map x, y = map z
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-- 3D and 2D noise objects created once on first mapchunk generation only
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nobj_terrain = nobj_terrain or minetest.get_perlin_map(np_terrain, chulensxyz)
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nobj_fissure = nobj_fissure or minetest.get_perlin_map(np_fissure, chulensxyz)
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nobj_temp = nobj_temp or minetest.get_perlin_map(np_temp, chulensxyz)
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nobj_humid = nobj_humid or minetest.get_perlin_map(np_humid, chulensxyz)
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nobj_seam = nobj_seam or minetest.get_perlin_map(np_seam, chulensxyz)
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nobj_strata = nobj_strata or minetest.get_perlin_map(np_strata, chulensxyz)
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nobj_cave1 = nobj_cave1 or minetest.get_perlin_map(np_cave1, chulensxyz)
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nobj_cave2 = nobj_cave2 or minetest.get_perlin_map(np_cave2, chulensxyz)
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nobj_cave3 = nobj_cave3 or minetest.get_perlin_map(np_cave3, chulensxyz)
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nobj_cave4 = nobj_cave4 or minetest.get_perlin_map(np_cave4, chulensxyz)
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nobj_terrain = nobj_terrain or minetest.get_perlin_map(np.terrain, chulensxyz)
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nobj_fissure = nobj_fissure or minetest.get_perlin_map(np.fissure, chulensxyz)
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nobj_seam = nobj_seam or minetest.get_perlin_map(np.seam, chulensxyz)
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nobj_strata = nobj_strata or minetest.get_perlin_map(np.strata, chulensxyz)
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nobj_cave1 = nobj_cave1 or minetest.get_perlin_map(np.cave1, chulensxyz)
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nobj_cave2 = nobj_cave2 or minetest.get_perlin_map(np.cave2, chulensxyz)
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nobj_cave3 = nobj_cave3 or minetest.get_perlin_map(np.cave3, chulensxyz)
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nobj_cave4 = nobj_cave4 or minetest.get_perlin_map(np.cave4, chulensxyz)
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nobj_mid = nobj_mid or minetest.get_perlin_map(np_mid, chulensxz)
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nobj_base = nobj_base or minetest.get_perlin_map(np_base, chulensxz)
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nobj_xlscale = nobj_xlscale or minetest.get_perlin_map(np_xlscale, chulensxz)
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nobj_magma = nobj_magma or minetest.get_perlin_map(np_magma, chulensxz)
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nobj_mid = nobj_mid or minetest.get_perlin_map(np.mid, chulensxz)
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nobj_base = nobj_base or minetest.get_perlin_map(np.base, chulensxz)
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nobj_xlscale = nobj_xlscale or minetest.get_perlin_map(np.xlscale, chulensxz)
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nobj_magma = nobj_magma or minetest.get_perlin_map(np.magma, chulensxz)
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nobj_temp = nobj_temp or minetest.get_perlin_map(np.temp, chulensxyz)
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nobj_humid = nobj_humid or minetest.get_perlin_map(np.humid, chulensxyz)
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-- 3D and 2D perlinmaps created per mapchunk
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local nvals_terrain = nobj_terrain:get3dMap_flat(minposxyz)
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local nvals_fissure = nobj_fissure:get3dMap_flat(minposxyz)
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local nvals_temp = nobj_temp:get3dMap_flat(minposxyz)
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local nvals_humid = nobj_humid:get3dMap_flat(minposxyz)
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local nvals_seam = nobj_seam:get3dMap_flat(minposxyz)
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local nvals_strata = nobj_strata:get3dMap_flat(minposxyz)
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local nvals_cave1 = nobj_cave1:get3dMap_flat(minposxyz)
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@ -316,6 +322,8 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
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local nvals_base = nobj_base:get2dMap_flat(minposxz)
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local nvals_xlscale = nobj_xlscale:get2dMap_flat(minposxz)
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local nvals_magma = nobj_magma:get2dMap_flat(minposxz)
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local nvals_temp = nobj_temp:get2dMap_flat(minposxz)
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local nvals_humid = nobj_humid:get2dMap_flat(minposxz)
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-- ungenerated chunk below?
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local viu = area:index(x0, y0-1, z0)
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local ungen = data[viu] == c_ignore
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@ -334,8 +342,6 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
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-- noise values for node
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local n_absterrain = math.abs(nvals_terrain[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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local n_humid = nvals_humid[nixyz]
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local n_seam = nvals_seam[nixyz]
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local n_strata = nvals_strata[nixyz]
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local n_cave1 = nvals_cave1[nixyz]
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@ -347,6 +353,8 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
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local n_absbase = math.abs(nvals_base[nixz])
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local n_xlscale = nvals_xlscale[nixz]
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local n_magma = nvals_magma[nixz]
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local n_temp = nvals_temp[nixz]
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local n_humid = nvals_humid[nixz]
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-- get densities
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local n_invbase = (1 - n_absbase)
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local terblen = (math.max(n_invbase, 0)) ^ BLENEXP
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@ -667,7 +675,8 @@ function watershed_chunkgen(x0, y0, z0, x1, y1, z1, area, data)
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local zrq = 16 * math.floor((z - z0) / 16)
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local yrq = 79
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local qixyz = zrq * 6400 + yrq * 80 + xrq + 1 -- quantised 3D index
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if math.abs(nvals_fissure[qixyz]) < nvals_humid[qixyz] * 0.1 then
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local qixz = zrq * 80 + xrq + 1
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if math.abs(nvals_fissure[qixyz]) < nvals_humid[qixz] * 0.1 then
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data[vi] = c_wscloud
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end
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stable[si] = 0
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