Fix nodrot calcualtion for sphere, dysonsphere, tube
paramat
parent
3ae65b44dc
commit
99566ce97a
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@ -1,4 +1,4 @@
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flexrealm 0.4.3 by paramat
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flexrealm 0.4.4 by paramat
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For Minetest 0.4.12 and later
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Depends default
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Licenses: code WTFPL, textures CC BY-SA
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101
init.lua
101
init.lua
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@ -1,4 +1,4 @@
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-- flexrealm 0.4.3
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-- flexrealm 0.4.4
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-- Variables
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@ -20,7 +20,7 @@ local limit = {
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ZMAX = 33000,
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}
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local TERRS = 64 -- Terrain scale for all realms below
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local TERRS = 32 -- Terrain scale for all realms below
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-- Normal and inverted flat realms
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local FLATY = 0 -- Surface y
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-- Vertical flat realm facing south
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@ -29,18 +29,18 @@ local VERTZ = 0 -- Surface z
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local SPHEX = 0 -- Centre x
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local SPHEZ = 0 -- ..z
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local SPHEY = 0 -- ..y
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local SPHER = 512 -- Surface radius
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local SPHER = 128 -- Surface radius
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-- Tube realm
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local TUBEZ = 0 -- Axis z
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local TUBEY = 0 -- ..y
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local TUBER = 512 -- Surface radius
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local TUBER = 128 -- Surface radius
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local TUBEX = 4000 -- Endcap base +-x
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local TUBED = 512 -- Endcap dish depth
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local TUBED = 128 -- Endcap dish depth
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-- Cube and dyson cube realm
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local CUBEX = 0 -- Centre x
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local CUBEZ = 0 -- ..z
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local CUBEY = 0 -- ..y
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local CUBER = 512 -- Surface radius
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local CUBER = 128 -- Surface radius
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-- Noise thresholds for density gradient 'grad'
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local DEPT = 2 -- Realm +-depth density threshold
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@ -49,12 +49,12 @@ local CLOLOT = -0.9 -- Cloud low density threshold
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local CLOHIT = -0.89 -- Cloud high density threshold
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-- Noise thresholds for density field 'density'
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local TSAND = -0.04 -- Sand density threshold
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local TSTONE = 0.09 -- Stone density threshold at sea level
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local TDIRT = 0.03 -- Dirt density threshold
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local TSURF = 0.02 -- Surface density threshold for flora generation
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local TSTONE = 0.1 -- Stone density threshold at sea level
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local TDIRT = 0.05 -- Dirt density threshold
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local TSURF = 0.1 -- Surface density threshold for flora generation
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-- Other parameters
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local TFIS = 0.02 -- Fissure width nose threshold
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local TFIS = 0.04 -- Fissure width noise threshold
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local OCHA = 7*7*7 -- Ore 1/x chance per stone node
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local TCLOUD = 0.5 -- Cloud threshold, -2 = overcast, 2 = no cloud
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local HITET = 0.4 -- High temperature noise threshold
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@ -80,9 +80,9 @@ local flora = {
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local np_terrain = {
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offset = 0,
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scale = 1,
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spread = {x=384, y=384, z=384},
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spread = {x=48, y=48, z=48},
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seed = 92,
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octaves = 5,
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octaves = 2,
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persist = 0.63
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}
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@ -91,9 +91,9 @@ local np_terrain = {
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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=621, y=621, z=621},
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spread = {x=78, y=78, z=78},
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seed = 800911,
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octaves = 4,
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octaves = 1,
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persist = 0.4
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}
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@ -102,15 +102,15 @@ local np_smooth = {
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local np_terblen = {
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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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spread = {x=64, y=64, z=64},
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seed = -440002,
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octaves = 3,
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persist = 0.4
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}
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-- 3D noise for faults and rivers
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-- 3D noise for rivers
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local np_fault = {
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local np_river = {
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offset = 0,
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scale = 1,
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spread = {x=384, y=384, z=384},
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@ -124,7 +124,7 @@ local np_fault = {
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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=256, z=256},
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spread = {x=48, y=48, z=48},
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seed = 9130,
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octaves = 3,
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persist = 0.4
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@ -135,7 +135,7 @@ local np_temp = {
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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=256, z=256},
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spread = {x=48, y=48, z=48},
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seed = -55500,
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octaves = 3,
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persist = 0.4
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@ -146,9 +146,9 @@ local np_humid = {
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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=192, y=192, z=192},
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spread = {x=48, y=48, z=48},
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seed = 108881,
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octaves = 4,
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octaves = 2,
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persist = 0.5
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}
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@ -172,20 +172,12 @@ minetest.register_on_mapgen_init(function(mgparams)
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minetest.set_mapgen_params({mgname="singlenode", flags="nolight", water_level=-31000})
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end)
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minetest.register_on_joinplayer(function(player)
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minetest.setting_set("enable_clouds", "false")
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end)
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minetest.register_on_leaveplayer(function(player)
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minetest.setting_set("enable_clouds", "true")
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end)
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-- Initialize noise objects to nil
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local nobj_terrain = nil
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local nobj_smooth = nil
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local nobj_terblen = nil
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local nobj_fault = nil
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local nobj_river = 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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@ -244,7 +236,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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nobj_terrain = nobj_terrain or minetest.get_perlin_map(np_terrain, chulens)
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nobj_smooth = nobj_smooth or minetest.get_perlin_map(np_smooth, chulens)
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nobj_terblen = nobj_terblen or minetest.get_perlin_map(np_terblen, chulens)
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nobj_fault = nobj_fault or minetest.get_perlin_map(np_fault, chulens)
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nobj_river = nobj_river or minetest.get_perlin_map(np_river, chulens)
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nobj_fissure = nobj_fissure or minetest.get_perlin_map(np_fissure, chulens)
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nobj_temp = nobj_temp or minetest.get_perlin_map(np_temp, chulens)
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nobj_humid = nobj_humid or minetest.get_perlin_map(np_humid, chulens)
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@ -253,7 +245,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local nvals_terrain = nobj_terrain:get3dMap_flat(minpos)
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local nvals_smooth = nobj_smooth:get3dMap_flat(minpos)
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local nvals_terblen = nobj_terblen:get3dMap_flat(minpos)
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local nvals_fault = nobj_fault:get3dMap_flat(minpos)
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local nvals_river = nobj_river:get3dMap_flat(minpos)
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local nvals_fissure = nobj_fissure:get3dMap_flat(minpos)
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local nvals_temp = nobj_temp:get3dMap_flat(minpos)
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local nvals_humid = nobj_humid:get3dMap_flat(minpos)
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@ -266,15 +258,9 @@ minetest.register_on_generated(function(minp, maxp, seed)
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for x = x0, x1 do
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local nodid = data[vi]
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-- terrain blend
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local n_fault = nvals_fault[ni]
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local n_terblen = nvals_terblen[ni]
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local terblen = math.min(math.abs(n_terblen) * 2, 1)
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local terno
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if n_fault >= -0.4 and n_fault <= 0.4 then
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terno = nvals_terrain[ni] * (1 - terblen) + nvals_smooth[ni] * terblen
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else
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terno = nvals_terrain[ni] * (1 - terblen) - nvals_smooth[ni] * terblen
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end
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local terblen = math.min(math.max(n_terblen + 0.5, 0), 1)
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local terno = nvals_terrain[ni] * (1 - terblen) + nvals_smooth[ni] * terblen
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-- noise gradient
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local grad, sphexr, spheyr, sphezr, tubeyr, tubezr, cubexr, cubeyr, cubezr
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if flat then
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@ -322,7 +308,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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density = terno + grad
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end
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-- thin fine materials with altitude
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local stot = TSTONE * (1 - grad / ROCK)
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local tstone = TSTONE * (1 - grad / ROCK)
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local altprop = math.max(1 + grad, 0)
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-- get biome
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local desert = false -- desert biome
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@ -363,8 +349,8 @@ minetest.register_on_generated(function(minp, maxp, seed)
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and z > z0 and z < z1 then
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surf = true
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end
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-- nodrot 0 = y+, 4 = z+, 8 = z-, 12 = x+, 16 = x-, 20 = y-
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local nodrot
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-- nodrot 0 = y+, 12 = x+, 16 = x-, 4 = z+, 8 = z-, 20 = y-
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local nodrot = 0
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if surf then
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if flat then
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nodrot = 0
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@ -465,8 +451,8 @@ minetest.register_on_generated(function(minp, maxp, seed)
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end
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end
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-- mapgen
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local n_faultabs = math.abs(n_fault) -- rivers
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if n_faultabs <= 0.03 * (1 - (density / 0.25) ^ 2) * altprop
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local n_riverabs = math.abs(nvals_river[ni]) -- river water / glacier
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if n_riverabs <= 0.03 * (1 - (density / 0.25) ^ 2) * altprop
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and grad <= 0.12 and (density > 0 or grad > 0) then
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if grad > 0.1 and density > 0 then
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data[vi] = c_flrsand
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@ -477,21 +463,21 @@ minetest.register_on_generated(function(minp, maxp, seed)
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data[vi] = c_flrwatzero
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end
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end
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elseif n_faultabs > 0.03 * (1 - (density / 0.25) ^ 2) * altprop -- river sand
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and n_faultabs <= 0.04 * (1 - (density / 0.3) ^ 2) * altprop
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elseif n_riverabs > 0.03 * (1 - (density / 0.25) ^ 2) * altprop -- river sand
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and n_riverabs <= 0.04 * (1 - (density / 0.3) ^ 2) * altprop
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and grad < 0.12 and density >= 0.1 then
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data[vi] = c_flrsand
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elseif (density >= stot and grad <= DEPT and nofis) then -- stone
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elseif (density >= tstone and grad <= DEPT and nofis) then -- stone
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if (density >= 0.5 and density <= 0.55)
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or (density >= 0.3 and density <= 0.4)
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or (density >= 0.2 and density <= 0.25) then
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data[vi] = c_sastone
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elseif desert then
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data[vi] = c_flrdestone
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elseif math.random(OCHA) == 2 and density >= STOT then -- ores
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elseif math.random(OCHA) == 2 and density >= TSTONE then -- ores
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local osel = math.random(34)
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if osel == 34 then
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data[vi] = c_meseblock -- revenge!
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data[vi] = c_meseblock
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elseif osel >= 31 then
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data[vi] = c_stodiam
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elseif osel >= 28 then
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@ -506,8 +492,8 @@ minetest.register_on_generated(function(minp, maxp, seed)
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else
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data[vi] = c_flrstone
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end
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elseif density > 0 and density < stot then -- fine materials
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if grad >= TSAND then -- beaches
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elseif density > 0 and density < tstone then -- fine materials
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if grad >= TSAND then
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data[vi] = c_flrsand -- sand
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elseif nofis or (not nofis and grad > 0) then -- fine materials cut by
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if density >= TDIRT then -- fissures above sea level only
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@ -557,25 +543,22 @@ 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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elseif temp < ICETET and grad > 0 and grad <= 0.05 and density <= 0 then -- ice sheets
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elseif temp < ICETET and grad > 0 and grad <= 0.05 and density <= 0 then -- sea ice
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if nodid == c_air then
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data[vi] = c_ice
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end
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elseif grad > 0 and density <= 0 then
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elseif grad > 0 and density <= 0 then -- sea water / swamp water
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if nodid == c_air then
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if n_terblen > 0.2 and density > -0.01 + (math.random() - 0.5) * 0.005
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and grad < 0.02 and (desert or rainforest) then
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data[vi] = c_flrswatzero -- swampwater
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data[vi] = c_flrswatzero
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if math.random(flora.PAPCHA) == 2 then -- papyrus
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flexrealm_papyrus(x, y, z, nodrot, area, data, p2data)
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end
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else
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data[vi] = c_flrwatzero -- water
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data[vi] = c_flrwatzero
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end
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end
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elseif not nofis and grad > 0 and density > 0 and grad <= DEPT
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and ((n_fault > -0.45 and n_fault < -0.35) or (n_fault > 0.35 and n_fault < 0.45)) then
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data[vi] = c_flrsand -- sand blocking fissures in faults below water level
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elseif grad >= CLOLOT and grad <= CLOHIT then -- clouds
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local xrq = 16 * math.floor((x - x0) / 16)
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local yrq = 16 * math.floor((y - y0) / 16)
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