Ores, tunnels, flowers, pines located by altitude

master
Mat 2014-07-14 06:32:04 +01:00
parent d57058549a
commit 9ab8aeced7
3 changed files with 71 additions and 15 deletions

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@ -1,4 +1,4 @@
riverdev 0.4.2 by paramat
riverdev 0.4.3 by paramat
For latest stable Minetest back to 0.4.8
Depends default
Licenses: code WTFPL

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@ -1,3 +1,4 @@
default
stairs
bucket
vessels

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@ -1,13 +1,8 @@
-- riverdev 0.4.2 by paramat
-- riverdev 0.4.3 by paramat
-- For latest stable Minetest and back to 0.4.8
-- Depends default
-- License: code WTFPL
-- Pines, pine sapling. pine wood, slabs, stairs. Bucket fresh water
-- TODO
-- autumn forest, red/orange/yellow leaves, falling leaf particls, also on ground around tree
-- cubeworld style boulders
-- Parameters
local YMIN = -33000
@ -24,10 +19,13 @@ local TSTONE = 0.02
local TRIVER = -0.018
local TRSAND = -0.02
local TPFLO = 0.03 -- Width of flora clearing around paths
local TTUN = 0.02 -- Tunnel width
local ORECHA = 1 / 5 ^ 3 -- Ore chance per stone node. 1 / n ^ 3 where n = average distance between ores
local APPCHA = 1 / 5 ^ 2 -- Appletree maximum chance per grass node. 1 / n ^ 2 where n = average minimum distance between flora
local PINCHA = 1 / 6 ^ 2 -- Pinetree maximum chance per grass node
local GRACHA = 1 / 4 ^ 2 -- Grasses maximum chance per grass node
local GRACHA = 1 / 5 ^ 2 -- Grasses maximum chance per grass node
local FLOCHA = 1 / 41 ^ 2 -- Flower chance per grass node
-- 3D noise for highland terrain
@ -106,6 +104,26 @@ local np_grass = {
persist = 0.5
}
-- 3D noises for tunnels
local np_weba = {
offset = 0,
scale = 1,
spread = {x=192, y=192, z=192},
seed = 5900033,
octaves = 3,
persist = 0.5
}
local np_webb = {
offset = 0,
scale = 1,
spread = {x=191, y=191, z=191},
seed = 33,
octaves = 3,
persist = 0.5
}
-- Stuff
riverdev = {}
@ -144,6 +162,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
local c_sand = minetest.get_content_id("default:sand")
local c_wood = minetest.get_content_id("default:wood")
local c_grass5 = minetest.get_content_id("default:grass_5")
local c_stodiam = minetest.get_content_id("default:stone_with_diamond")
local c_stomese = minetest.get_content_id("default:stone_with_mese")
local c_stogold = minetest.get_content_id("default:stone_with_gold")
local c_stocopp = minetest.get_content_id("default:stone_with_copper")
local c_stoiron = minetest.get_content_id("default:stone_with_iron")
local c_stocoal = minetest.get_content_id("default:stone_with_coal")
local c_dirt = minetest.get_content_id("riverdev:dirt")
local c_grass = minetest.get_content_id("riverdev:grass")
@ -161,6 +185,8 @@ minetest.register_on_generated(function(minp, maxp, seed)
local minposxz = {x=x0-1, y=z0-1}
local nvals_terrain = minetest.get_perlin_map(np_terrain, chulensxyz):get3dMap_flat(minposxyz)
local nvals_weba = minetest.get_perlin_map(np_weba, chulensxyz):get3dMap_flat(minposxyz)
local nvals_webb = minetest.get_perlin_map(np_webb, chulensxyz):get3dMap_flat(minposxyz)
local nvals_mid = minetest.get_perlin_map(np_mid, chulensxz):get2dMap_flat(minposxz)
local nvals_base = minetest.get_perlin_map(np_base, chulensxz):get2dMap_flat(minposxz)
@ -212,12 +238,16 @@ minetest.register_on_generated(function(minp, maxp, seed)
local triver = TRIVER * n_absbase
local trsand = TRSAND * n_absbase
local weba = math.abs(nvals_weba[nixyz]) < TTUN
local webb = math.abs(nvals_webb[nixyz]) < TTUN
local novoid = not (weba and webb)
local wood = densitybase > trsand * 2 and density < 0
if chunkxz and y == y0 - 1 then -- overgeneration, initialise tables
under[si] = 0
if ungen then -- guess by calculating density
if density >= 0 then
if density >= 0 and novoid then
stable[si] = 2
else
stable[si] = 0
@ -235,8 +265,28 @@ minetest.register_on_generated(function(minp, maxp, seed)
end
end
elseif chunkxz and y >= y0 and y <= y1 then -- chunk generation
if density >= tstone then -- stone
data[vi] = c_stone
if density >= tstone
and (novoid
or (density < tstone * 1.5
and (y <= YWATER or densitybase >= triver))) then
if math.random() < ORECHA and density > TSTONE then -- ores
local osel = math.random(24)
if osel == 24 then
data[vi] = c_stodiam
elseif osel == 23 then
data[vi] = c_stomese
elseif osel == 22 then
data[vi] = c_stogold
elseif osel >= 19 then
data[vi] = c_stocopp
elseif osel >= 10 then
data[vi] = c_stoiron
else
data[vi] = c_stocoal
end
else
data[vi] = c_stone -- stone
end
stable[si] = stable[si] + 1
under[si] = 0
elseif y > YSAND
@ -279,7 +329,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
data[vi] = c_water
stable[si] = 0
under[si] = 0
elseif densitybase >= triver then -- river water
elseif densitybase >= triver and density < 0 then -- river water
if y == YWATER + 1 then
data[vi] = c_mixwater
else
@ -290,19 +340,24 @@ minetest.register_on_generated(function(minp, maxp, seed)
elseif density < 0 and under[si] ~= 0 then -- air above surface
if under[si] == 1 and nodid ~= c_path and nodidu ~= c_path
and nodid ~= c_wood and nodidu ~= c_wood then
if math.random() < APPCHA * n_tree and tstone > 0.005
if math.random() < APPCHA * n_tree and tstone > 0.012
and n_abspatha > TPFLO and n_abspathb > TPFLO then
riverdev_appletree(x, y, z, area, data)
elseif math.random() < PINCHA * n_tree and tstone > 0.004 and tstone < 0.012
and n_abspatha > TPFLO and n_abspathb > TPFLO then
riverdev_pinetree(x, y, z, area, data)
else
data[viu] = c_grass
if math.random() < GRACHA * n_grass then -- grasses
if math.random() < FLOCHA then
riverdev_flower(data, vi)
elseif math.random() < GRACHA * n_grass then -- grasses
data[vi] = c_grass5
end
end
end
stable[si] = 0
under[si] = 0
else -- air
else -- air or tunnel
stable[si] = 0
under[si] = 0
end