Grass in patches. Add redstone in desert. Simple sandstone strata
paramat
parent
bea230e2b8
commit
525cad60ec
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@ -1,4 +1,4 @@
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riverdev 0.5.8 by paramat
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riverdev 0.5.9 by paramat
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For latest stable Minetest back to 0.4.8
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Depends default
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Licenses: code WTFPL
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172
init.lua
172
init.lua
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@ -1,14 +1,17 @@
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-- riverdev 0.5.8 by paramat
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-- riverdev 0.5.9 by paramat
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-- For latest stable Minetest and back to 0.4.8
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-- Depends default
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-- License: code WTFPL
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-- humidity by displacing seamap in wind direction, plus a river influence
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-- patches of grass
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-- redstone in desert
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-- simple sandstone strata
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-- TODO
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-- regeneration command: use of mapgen loop function
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-- coloured stone: desertstone orange sandstone green blue violet
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-- inclined strata with 3d biomes of coloured stone mixes
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-- ores in strata
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-- dry long grass to replace dry shrub
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-- Parameters
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@ -28,7 +31,7 @@ local TRIVER = -0.018 -- River depth
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local TRSAND = -0.02 -- Depth of river sand
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local TPFLO = 0.02 -- Width of flora clearing around paths
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local TTUN = 0.02 -- Tunnel width
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local TFIS = 0.005 -- Fissure width
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local TFIS = 0.004 -- Fissure width
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local TCAV = 1 -- Cavern threshold
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local TMAG = 0.015 -- Magma tunnel width
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local TOBS = 0.025 -- Obsidian tube width
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@ -36,32 +39,20 @@ local TOBS = 0.025 -- Obsidian tube width
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-- 1 / n ^ 3 where n = average distance between ores
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local ORECHA = 1 / 5 ^ 3 -- Ore chance per stone node
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-- 1 / n ^ 2 where n = average distance between features
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local BOLCHA = 1 / 127 ^ 2 -- Boulder chance per surfacenode
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local FLOCHA = 1 / 37 ^ 2 -- Flower ^
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local BOLCHA = 1 / 128 ^ 2 -- Boulder chance per surfacenode
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local FLOCHA = 1 / 48 ^ 2 -- Flower ^
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local JUNCHA = 1 / 4 ^ 2 -- Jungletree ^
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local CACCHA = 1 / 128 ^ 2 -- Cactus ^
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local GRACHA = 1 / 2 ^ 2 -- Grasses ^
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local APPCHA = 1 / 5 ^ 2 -- Appletree maximum chance per surface node
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local PINCHA = 1 / 6 ^ 2 -- Pinetree ^
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local ACACHA = 1 / 47 ^ 2 -- Acaciatree ^
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local GRACHA = 1 / 4 ^ 2 -- Grasses ^
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local CACCHA = 1 / 47 ^ 2 -- Cactus ^
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local ACACHA = 1 / 64 ^ 2 -- Acaciatree ^
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local LOTET = -0.4 -- Low temperature threshold
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local HITET = 0.4 -- High ^
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local LOHUT = 0.2 -- Low humidity threshold (abs noise)
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local MIDHUT = 0.4 -- Mid ^
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local HIHUT = 0.6 -- High ^
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-- 3D noise for highland terrain
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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=192, y=192, z=192},
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seed = 5900033,
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octaves = 4,
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persist = 0.67
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}
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-- 2D noise for mid terrain / river
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local np_mid = {
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@ -125,7 +116,7 @@ local np_tree = {
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spread = {x=384, y=384, z=384},
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seed = 133338,
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octaves = 4,
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persist = 0.6
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persist = 0.7
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}
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-- 2D noise for grasses
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@ -133,12 +124,23 @@ local np_tree = {
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local np_grass = {
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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=96, y=96, z=96},
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seed = -138,
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octaves = 4,
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persist = 0.7
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}
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-- 3D noise for highland terrain
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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=192, y=192, z=192},
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seed = 5900033,
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octaves = 4,
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persist = 0.67
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}
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-- 3D noises for tunnels
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local np_weba = {
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@ -155,11 +157,11 @@ local np_webb = {
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scale = 1,
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spread = {x=191, y=191, z=191},
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seed = 33,
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octaves = 4,
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octaves = 3,
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persist = 0.4
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}
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-- 3D noise for magma tunnels
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-- 3D noises for magma tunnels
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local np_webc = {
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offset = 0,
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@ -190,15 +192,15 @@ local np_fissure = {
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persist = 0.4
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}
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-- 3D noise for rock strata inclination
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-- 3D noise for strata layering
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local np_strata = {
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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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spread = {x=768, y=16, z=768},
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seed = 92219,
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octaves = 2,
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persist = 0.6
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octaves = 4,
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persist = 1
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}
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-- Stuff
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@ -206,6 +208,9 @@ local np_strata = {
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dofile(minetest.get_modpath("riverdev").."/functions.lua")
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dofile(minetest.get_modpath("riverdev").."/nodes.lua")
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local nvals_strata
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local stratanoise = false
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-- Mapgen functions
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local function riverdev_pathbrush(x, y, z, area, data,
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@ -252,15 +257,11 @@ local function riverdev_surface(x, y, z, area, data, y1, vi, viu,
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local c_grass5 = minetest.get_content_id("default:grass_5")
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local c_snowblock = minetest.get_content_id("default:snowblock")
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local c_jungrass = minetest.get_content_id("default:junglegrass")
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local c_dryshrub = minetest.get_content_id("default:dry_shrub")
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local c_drygrass = minetest.get_content_id("riverdev:drygrass")
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local c_goldengrass = minetest.get_content_id("riverdev:goldengrass")
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local c_icydirt = minetest.get_content_id("riverdev:icydirt")
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if under[si] == 1 then -- tundra
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data[viu] = c_icydirt
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if math.random() < GRACHA * n_grass then
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data[vi] = c_dryshrub
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end
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elseif under[si] == 2 then -- taiga
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if math.random() < PINCHA * n_tree
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and n_abspatha > TPFLO and n_abspathb > TPFLO then
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@ -271,9 +272,6 @@ local function riverdev_surface(x, y, z, area, data, y1, vi, viu,
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end
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elseif under[si] == 3 then -- dry grassland
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data[viu] = c_drygrass
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if math.random() < GRACHA * n_grass then
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data[vi] = c_dryshrub
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end
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elseif under[si] == 4 then -- forest/grassland
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if math.random() < BOLCHA
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and n_abspatha > TPFLO and n_abspathb > TPFLO then
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@ -288,20 +286,20 @@ local function riverdev_surface(x, y, z, area, data, y1, vi, viu,
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data[viu] = c_grass
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if math.random() < FLOCHA then
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riverdev_flower(data, vi)
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elseif math.random() < GRACHA * n_grass then
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elseif math.random() < GRACHA and n_grass > 0.6 then
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data[vi] = c_grass5
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end
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end
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elseif under[si] == 5 then -- desert
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if math.random() < CACCHA * n_grass then
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if math.random() < CACCHA then
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riverdev_cactus(x, y, z, area, data)
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end
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elseif under[si] == 6 then
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elseif under[si] == 6 then -- savanna
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if math.random() < ACACHA * n_tree then
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riverdev_acaciatree(x, y, z, area, data)
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else
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data[viu] = c_drygrass
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if math.random() < GRACHA * n_grass then
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if math.random() < GRACHA and n_grass > 0.6 then
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data[vi] = c_goldengrass
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end
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end
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@ -311,7 +309,7 @@ local function riverdev_surface(x, y, z, area, data, y1, vi, viu,
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riverdev_jungletree(x, y, z, area, data, y1)
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else
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data[viu] = c_grass
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if math.random() < GRACHA then
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if math.random() < GRACHA and n_grass > 0.6 then
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data[vi] = c_jungrass
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end
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end
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@ -350,6 +348,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local c_ignore = minetest.get_content_id("ignore")
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local c_water = minetest.get_content_id("default:water_source")
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local c_sand = minetest.get_content_id("default:sand")
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local c_sandstone = minetest.get_content_id("default:sandstone")
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local c_wood = minetest.get_content_id("default:junglewood")
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local c_snowblock = minetest.get_content_id("default:snowblock")
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local c_grass5 = minetest.get_content_id("default:grass_5")
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@ -368,6 +367,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local c_dirt = minetest.get_content_id("riverdev:dirt")
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local c_grass = minetest.get_content_id("riverdev:grass")
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local c_stone = minetest.get_content_id("riverdev:stone")
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local c_redstone = minetest.get_content_id("riverdev:redstone")
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local c_path = minetest.get_content_id("riverdev:path")
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local c_freshwater = minetest.get_content_id("riverdev:freshwater")
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local c_mixwater = minetest.get_content_id("riverdev:mixwater")
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@ -389,12 +389,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
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local nvals_webb = minetest.get_perlin_map(np_webb, chulensxyz):get3dMap_flat(minposxyz)
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local nvals_webc = minetest.get_perlin_map(np_webc, chulensxyz):get3dMap_flat(minposxyz)
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local nvals_webd = minetest.get_perlin_map(np_webd, chulensxyz):get3dMap_flat(minposxyz)
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local nvals_strata = minetest.get_perlin_map(np_strata, chulensxyz):get3dMap_flat(minposxyz)
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local nvals_fissure = minetest.get_perlin_map(np_fissure, chulensxyz):get3dMap_flat(minposxyz)
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local nvals_strata = minetest.get_perlin_map(np_strata, chulensxyz):get3dMap_flat(minposxyz)
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local nvals_mid = minetest.get_perlin_map(np_mid, chulensxz):get2dMap_flat(minposxz)
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local nvals_base = minetest.get_perlin_map(np_base, chulensxz):get2dMap_flat(minposxz)
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local nvals_humid = minetest.get_perlin_map(np_base, chulensxz):get2dMap_flat({x=x0-1, y=z0-769})
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local nvals_humid = minetest.get_perlin_map(np_base, chulensxz):get2dMap_flat({x=x0-1, y=z0+383})
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local nvals_patha = minetest.get_perlin_map(np_patha, chulensxz):get2dMap_flat(minposxz)
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local nvals_pathb = minetest.get_perlin_map(np_pathb, chulensxz):get2dMap_flat(minposxz)
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local nvals_temp = minetest.get_perlin_map(np_temp, chulensxz):get2dMap_flat(minposxz)
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@ -453,17 +453,16 @@ minetest.register_on_generated(function(minp, maxp, seed)
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n_terrain * n_invbase * n_absmid * n_abspatha ^ 1.5 * n_abspathb ^ 1.5
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+ densitymid -- actual surface
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local n_tree = math.min(math.max(nvals_tree[nixz], 0), 1)
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local n_grass = math.abs(nvals_grass[nixz])
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local n_strata = nvals_strata[nixyz]
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local n_temp = nvals_temp[nixz]
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local n_humid = math.abs(nvals_humid[nixz]) - n_absmid * 0.5 + 0.25
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local tstone = TSTONE * (1 + grad * 2)
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local triver = TRIVER * n_absbase
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local trsand = TRSAND * n_absbase
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local wood = densitybase > trsand * 2 and density < 0
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local tobs = TOBS + (density + tstone)
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local n_strata = nvals_strata[nixyz]
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local densitystrata = grad + n_strata * 0.5
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local n_temp = nvals_temp[nixz]
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local n_humid = math.abs(nvals_humid[nixz]) - n_absmid * 0.5 + 0.25
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local n_tree = math.min(math.max(nvals_tree[nixz], 0), 1)
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local n_grass = math.min(math.max(nvals_grass[nixz], 0), 1)
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if chunkxz and y == y0 - 1 then -- overgeneration, initialise tables
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under[si] = 0
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@ -486,6 +485,29 @@ minetest.register_on_generated(function(minp, maxp, seed)
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end
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end
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elseif chunkxz and y >= y0 and y <= y1 then -- chunk generation
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local biome = 0
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if n_temp < LOTET then
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if n_humid < LOHUT then -- tundra
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biome = 1
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else -- taiga
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biome = 2
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end
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elseif n_temp > HITET then
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if n_humid < LOHUT then -- desert
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biome = 5
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elseif n_humid > HIHUT then -- rainforest
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biome = 7
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else -- savanna
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biome = 6
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end
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else
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if n_humid < LOHUT then -- dry grassland
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biome = 3
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else -- temperate forest / grassland
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biome = 4
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end
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end
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if density >= -tstone -- magma/obsidian network
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and ((n_abswebc <= TOBS and n_abswebd <= TOBS)
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or (density < tstone and n_abswebc <= tobs and n_abswebd <= tobs)) then
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@ -503,7 +525,11 @@ minetest.register_on_generated(function(minp, maxp, seed)
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elseif density >= tstone and (novoid
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or (density < tstone * 1.5
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and (y <= YWATER or densitybase >= triver))) then
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if math.random() < ORECHA and density > TSTONE then -- ores
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if n_strata > 0.7 then
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data[vi] = c_sandstone -- redstone layer
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elseif biome == 5 then
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data[vi] = c_redstone -- redstone layer
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elseif math.random() < ORECHA and density > TSTONE then -- ores
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local osel = math.random(24)
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if osel == 24 then
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data[vi] = c_stodiam
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@ -539,33 +565,27 @@ minetest.register_on_generated(function(minp, maxp, seed)
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if y <= YSAND or densitybase >= trsand then
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data[vi] = c_sand
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under[si] = 8
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elseif n_temp < LOTET then
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if n_humid < MIDHUT then -- tundra
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data[vi] = c_permafrost
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under[si] = 1
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else -- taiga
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data[vi] = c_dirt
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under[si] = 2
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end
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elseif n_temp > HITET then
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if n_humid < LOHUT then -- desert
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data[vi] = c_desand
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under[si] = 5
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elseif n_humid > HIHUT then -- rainforest
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data[vi] = c_dirt
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under[si] = 7
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else -- savanna
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data[vi] = c_dirt
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under[si] = 6
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end
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else
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if n_humid < MIDHUT then -- dry grassland
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data[vi] = c_dirt
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under[si] = 3
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else -- deciduous forest / grassland
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data[vi] = c_dirt
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under[si] = 4
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end
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elseif biome == 1 then -- tundra
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data[vi] = c_permafrost
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under[si] = 1
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elseif biome == 2 then -- taiga
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data[vi] = c_dirt
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under[si] = 2
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elseif biome == 3 then -- dry grassland
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data[vi] = c_dirt
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under[si] = 3
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elseif biome == 4 then -- forest / grassland
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data[vi] = c_dirt
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under[si] = 4
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elseif biome == 5 then -- desert
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data[vi] = c_desand
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under[si] = 5
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elseif biome == 6 then -- savanna
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data[vi] = c_dirt
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under[si] = 6
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elseif biome == 7 then -- rainforest
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data[vi] = c_dirt
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under[si] = 7
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end
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elseif y <= YWATER and density < tstone
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and nodid ~= c_stone then -- sea water
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@ -7,6 +7,15 @@ minetest.register_node("riverdev:stone", {
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sounds = default.node_sound_stone_defaults(),
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})
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minetest.register_node("riverdev:redstone", {
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description = "Red Stone",
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tiles = {"default_desert_stone.png"},
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is_ground_content = false,
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groups = {cracky=3},
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drop = "default:desert_cobble",
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sounds = default.node_sound_stone_defaults(),
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})
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minetest.register_node("riverdev:dirt", {
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description = "Dirt",
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tiles = {"default_dirt.png"},
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