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Remove fissures, biomes. Add lava tunnels that form obsidian tubes in water

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Mat 2014-07-06 08:48:24 +01:00
parent f0776bc9ad
commit 39380d29d2
2 changed files with 45 additions and 57 deletions
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2
README.txt
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@ -1,4 +1,4 @@
intersecting 0.2.3 by paramat intersecting 0.3.0 by paramat
For latest stable Minetest back to 0.4.8 For latest stable Minetest back to 0.4.8
Depends default Depends default
Licenses: code WTFPL Licenses: code WTFPL

100
init.lua
View File

@ -1,19 +1,13 @@
-- intersecting 0.2.3 by paramat -- intersecting 0.3.0 by paramat
-- For latest stable Minetest and back to 0.4.8 -- For latest stable Minetest and back to 0.4.8
-- Depends default -- Depends default
-- License: code WTFPL -- License: code WTFPL
-- stone water plugs
-- luxore abm optional
-- TODO
-- include lava, to replace v6 cavegen, lava as tunnels intersecting lava caves?
-- Parameters -- Parameters
local TFIS = 0.02 -- Fissure and tunnel width local TFIS = 0.02 -- Fissure and tunnel width
local LUX = true -- Enable luxore local LUX = true -- Enable luxore
local LUXCHA = 1 / 9 ^ 3 -- Luxore chance per stone node. local LUXCHA = 1 / 11 ^ 3 -- Luxore chance per stone node.
-- 3D noise for fissure a -- 3D noise for fissure a
@ -48,15 +42,15 @@ local np_webc = {
persist = 0.5 persist = 0.5
} }
-- 3D noise for tunnel/fissure combinations -- 3D noise for fissure d
local np_biome = { local np_webd = {
offset = 0, offset = 0,
scale = 1, scale = 1,
spread = {x=2048, y=2048, z=2048}, spread = {x=189, y=189, z=189},
seed = -181, seed = -181,
octaves = 1, octaves = 3,
persist = 0 persist = 0.5
} }
-- Stuff -- Stuff
@ -147,6 +141,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
local c_air = minetest.get_content_id("air") local c_air = minetest.get_content_id("air")
local c_water = minetest.get_content_id("default:water_source") local c_water = minetest.get_content_id("default:water_source")
local c_dirt = minetest.get_content_id("default:dirt") local c_dirt = minetest.get_content_id("default:dirt")
local c_lava = minetest.get_content_id("default:lava_source")
local c_grass = minetest.get_content_id("default:dirt_with_grass") local c_grass = minetest.get_content_id("default:dirt_with_grass")
local c_tree = minetest.get_content_id("default:tree") local c_tree = minetest.get_content_id("default:tree")
local c_jtree = minetest.get_content_id("default:jungletree") local c_jtree = minetest.get_content_id("default:jungletree")
@ -162,13 +157,14 @@ minetest.register_on_generated(function(minp, maxp, seed)
local nvals_weba = minetest.get_perlin_map(np_weba, chulens):get3dMap_flat(minposxyz) local nvals_weba = minetest.get_perlin_map(np_weba, chulens):get3dMap_flat(minposxyz)
local nvals_webb = minetest.get_perlin_map(np_webb, chulens):get3dMap_flat(minposxyz) local nvals_webb = minetest.get_perlin_map(np_webb, chulens):get3dMap_flat(minposxyz)
local nvals_webc = minetest.get_perlin_map(np_webc, chulens):get3dMap_flat(minposxyz) local nvals_webc = minetest.get_perlin_map(np_webc, chulens):get3dMap_flat(minposxyz)
local nvals_biome = minetest.get_perlin_map(np_biome, chulens):get3dMap_flat(minposxyz) local nvals_webd = minetest.get_perlin_map(np_webd, chulens):get3dMap_flat(minposxyz)
local cavbel = {} local cavbel = {}
local stobel = {} local stobel = {}
local nixyz = 1 local nixyz = 1
for z = z0, z1 do -- for each xy plane progressing northwards for z = z0, z1 do -- for each xy plane progressing northwards
for y = y0, y1 do -- for each x row progressing upwards for y = y0, y1 do -- for each x row progressing upwards
local ti = 1
local vi = area:index(x0, y, z) local vi = area:index(x0, y, z)
local via = area:index(x0, y+1, z) local via = area:index(x0, y+1, z)
local vin = area:index(x0, y, z+1) local vin = area:index(x0, y, z+1)
@ -176,45 +172,42 @@ minetest.register_on_generated(function(minp, maxp, seed)
local vie = vi + 1 local vie = vi + 1
local viw = vi - 1 local viw = vi - 1
for x = x0, x1 do -- for each node do for x = x0, x1 do -- for each node do
local ti = x - x0 + 1
local nodid = data[vi] local nodid = data[vi]
local nodida = data[via] local nodida = data[via]
local nodide = data[vie] local nodide = data[vie]
local nodidw = data[viw] local nodidw = data[viw]
local nodidn = data[vin] local nodidn = data[vin]
local nodids = data[vis] local nodids = data[vis]
local watadj = nodida == c_water or nodidw == c_water or nodide == c_water or nodidn == c_water or nodids == c_water local watadj = nodida == c_water
if nodid ~= c_air and nodid ~= c_water and not watadj or nodidw == c_water or nodide == c_water or nodidn == c_water or nodids == c_water
and not ((nodid == c_sand or nodid == c_dirt or nodid == c_grass) and y <= 2) then local surfmat = (nodid == c_sand or nodid == c_dirt or nodid == c_grass) and y <= 2
local weba = math.abs(nvals_weba[nixyz]) < TFIS if nodid ~= c_air then
local weba = math.abs(nvals_weba[nixyz]) < TFIS -- solid or liquid
local webb = math.abs(nvals_webb[nixyz]) < TFIS local webb = math.abs(nvals_webb[nixyz]) < TFIS
local webc = math.abs(nvals_webc[nixyz]) < TFIS local webc = math.abs(nvals_webc[nixyz]) < TFIS
local n_biome = nvals_biome[nixyz] local webd = math.abs(nvals_webd[nixyz]) < TFIS
local void local tunnel = (weba and webb) or (webb and webc) or (webc and webd)
if n_biome < -0.65 then -- 2 tun ac ab local magma = webc and webd
void = (weba and webc) or (weba and webb) if tunnel then
elseif n_biome < -0.4 then -- 2 tun bc ab
void = (webb and webc) or (weba and webb)
elseif n_biome < -0.15 then -- 2 tun bc ac
void = (webb and webc) or (weba and webc)
elseif n_biome < -0.05 then -- 1 fis 1 tun
void = webb or (weba and webc)
elseif n_biome < 0.05 then -- 2 fis
void = weba or webb
elseif n_biome < 0.15 then -- 1 fis 1 tun
void = weba or (webb and webc)
elseif n_biome < 0.4 then -- 2 tun
void = (weba and webc) or (webb and webc)
elseif n_biome < 0.65 then -- 2 tun
void = (weba and webc) or (webb and webc)
else -- 2 tun bc ac
void = (webb and webc) or (weba and webc)
end
if void then
data[vi] = c_air
cavbel[ti] = 1 cavbel[ti] = 1
stobel[ti] = 0 stobel[ti] = 0
if nodid == c_tree or nodid == c_jtree then if magma then -- magma tunnel
if y <= 1 then
data[vi] = c_lava
else
data[vi] = c_air
end
elseif (nodid == c_water or watadj) and cavbel[ti] == 1 then
for j = -1, -16, -1 do -- water plug
local vip = area:index(x, y+j, z)
if data[vip] == c_air then
data[vip] = c_stone
end
end
elseif nodid ~= c_water and not surfmat and not watadj then
data[vi] = c_air -- tunnel
end
if nodid == c_tree or nodid == c_jtree then -- if trunk cut remove whole trunk
for j = -12, 12 do for j = -12, 12 do
local vit = area:index(x, y+j, z) local vit = area:index(x, y+j, z)
if data[vit] == c_tree or data[vit] == c_jtree then if data[vit] == c_tree or data[vit] == c_jtree then
@ -222,28 +215,23 @@ minetest.register_on_generated(function(minp, maxp, seed)
end end
end end
end end
else else -- solid or liquid
cavbel[ti] = 0 cavbel[ti] = 0
if LUX and nodid == c_stone or nodid == c_desertstone then if nodid == c_stone or nodid == c_desertstone then
if math.random() < LUXCHA and stobel[ti] == 1 and y > y0 then
data[vi] = c_luxore
end
stobel[ti] = 1 stobel[ti] = 1
end if LUX then
end if math.random() < LUXCHA and stobel[ti] == 1 and y > y0 then
else data[vi] = c_luxore
if (nodid == c_water or watadj) and cavbel[ti] == 1 then end
for j = -1, -16, -1 do
local vip = area:index(x, y+j, z)
if data[vip] == c_air then
data[vip] = c_stone
end end
end end
end end
else -- nodid == c_air
cavbel[ti] = 0 cavbel[ti] = 0
stobel[ti] = 0 stobel[ti] = 0
end end
nixyz = nixyz + 1 nixyz = nixyz + 1
ti = ti + 1
vi = vi + 1 vi = vi + 1
via = via + 1 via = via + 1
vin = vin + 1 vin = vin + 1