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mirror of https://github.com/paramat/watershed.git synced 2024-11-14 06:20:36 +01:00

Revert 4 noise canyongen. Fissures. Ores. Return to 0.2.0 parameters

This commit is contained in:
paramat 2014-02-19 22:28:36 +00:00
parent 1155082ec0
commit 13e02268e7
3 changed files with 63 additions and 42 deletions

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@ -1,4 +1,4 @@
watershed 0.2.1 by paramat
watershed 0.2.2 by paramat
For latest stable Minetest back to 0.4.8
Depends default
Licenses: code WTFPL

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@ -1,4 +1,4 @@
-- watershed 0.2.1 by paramat
-- watershed 0.2.2 by paramat
-- For latest stable Minetest and back to 0.4.8
-- Depends default
-- License: code WTFPL
@ -8,8 +8,8 @@
local YMIN = 6000
local YMAX = 8000 -- Top of atmosphere / mountains / floatlands
local TERCEN = 7008 -- Terrain centre
local YWAT = 7104 -- Sea level
local TERSCA = 512 -- Vertical terrain scale
local YWAT = 7024 -- Sea level
local TERSCA = 384 -- Vertical terrain scale
local XLSAMP = 0 -- Extra large scale height variation amplitude
local BASAMP = 0.3 -- Base terrain amplitude
local CANAMP = 0.7 -- Canyon terrain amplitude
@ -17,14 +17,17 @@ local CANEXP = 1.33 -- Canyon shape exponent
local TSTONE = 0.015 -- Density threshold for stone
local TRIV = -0.027 -- Maximum densitybase threshold for river water
local TSAND = -0.03 -- Maximum densitybase threshold for sand
local FIST = 0 -- Fissure threshold at surface. Controls size of fissure entrances at surface
local FISEXP = 0.02 -- Fissure expansion rate under surface
local ORECHA = 1 / (7 * 7 * 7) -- Ore chance per stone node
local PINCHA = 47
local APTCHA = 47
local FLOCHA = 36
local FOGCHA = 9
local GRACHA = 5
local JUTCHA = 16
local JUGCHA = 9
local PINCHA = 47 -- Pine tree 1/x chance per node
local APTCHA = 47 -- Appletree
local FLOCHA = 36 -- Flower
local FOGCHA = 9 -- Forest grass
local GRACHA = 5 -- Grassland grasses
local JUTCHA = 16 -- Jungletree
local JUGCHA = 9 -- Junglegrass
-- 3D noise for rough terrain
@ -37,17 +40,6 @@ local np_rough = {
persist = 0.63
}
-- 3D alt noise for rough terrain
local np_roughalt = {
offset = 0,
scale = 1,
spread = {x=828, y=828, z=828},
seed = -7,
octaves = 6,
persist = 0.63
}
-- 3D noise for smooth terrain
local np_smooth = {
@ -59,15 +51,15 @@ local np_smooth = {
persist = 0.4
}
-- 3D alt noise for smooth terrain
-- 3D noise for fissures
local np_smoothalt = {
local np_fissure = {
offset = 0,
scale = 1,
spread = {x=828, y=828, z=828},
seed = -7,
octaves = 6,
persist = 0.4
spread = {x=256, y=512, z=256},
seed = 20099,
octaves = 5,
persist = 0.5
}
-- 2D noise for base terrain / riverbed height / mountain ranges, terrain blend, river and river sand depth
@ -138,6 +130,12 @@ minetest.register_on_generated(function(minp, maxp, seed)
local c_snowblock = minetest.get_content_id("default:snowblock")
local c_dirtsnow = minetest.get_content_id("default:dirt_with_snow")
local c_jungrass = minetest.get_content_id("default:junglegrass")
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_wswater = minetest.get_content_id("watershed:water")
local c_wsstone = minetest.get_content_id("watershed:stone")
@ -152,8 +150,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
local nvals_rough = minetest.get_perlin_map(np_rough, chulens):get3dMap_flat(minposxyz)
local nvals_smooth = minetest.get_perlin_map(np_smooth, chulens):get3dMap_flat(minposxyz)
local nvals_roughalt = minetest.get_perlin_map(np_roughalt, chulens):get3dMap_flat(minposxyz)
local nvals_smoothalt = minetest.get_perlin_map(np_smoothalt, chulens):get3dMap_flat(minposxyz)
local nvals_fissure = minetest.get_perlin_map(np_fissure, chulens):get3dMap_flat(minposxyz)
local nvals_base = minetest.get_perlin_map(np_base, chulens):get2dMap_flat(minposxz)
local nvals_biome = minetest.get_perlin_map(np_biome, chulens):get2dMap_flat(minposxz)
@ -188,22 +185,43 @@ minetest.register_on_generated(function(minp, maxp, seed)
local triv = TRIV * (1 - terblen * 1.1) -- 1.1 river disappears before ridge top
local tsand = TSAND * (1 - terblen * 1.1)
local tstone = TSTONE * (1 + grad * 1.5)
local density = densitybase + math.abs(
(nvals_rough[nixyz] + nvals_roughalt[nixyz]) / 2 * terblen
+ (nvals_smooth[nixyz] + nvals_smoothalt[nixyz]) / 2 * (1 - terblen)
) ^ CANEXP * CANAMP
local density = densitybase
+ math.abs(nvals_rough[nixyz] * terblen + nvals_smooth[nixyz] * (1 - terblen)) ^ CANEXP * CANAMP
if density >= tstone then -- stone
local nofis = false
if density >= 0 then -- if terrain set fissure flag
if math.abs(nvals_fissure[nixyz]) > FIST + math.sqrt(density) * FISEXP then
nofis = true
end
end
if density >= tstone and nofis -- stone cut by fissures
or (density >= tstone and density < TSTONE * 2 and y <= YWAT) then -- or stone layer around water
if n_biome > 0.7 then
data[vi] = c_wsredstone
elseif math.random() < ORECHA then
local osel = math.random(34)
if osel == 34 then
data[vi] = c_stodiam
elseif osel >= 31 then
data[vi] = c_stomese
elseif osel >= 28 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_wsstone
end
stable[si] = stable[si] + 1
elseif density >= 0 and density < tstone and stable[si] >= 2 then -- fine materials
if densitybase >= tsand or y <= YWAT + 1 + math.random(2) then
data[vi] = c_sand -- riverbed, seabed
else
if densitybase >= tsand or y <= YWAT + 1 + math.random(2) then -- river / seabed not cut by fissures
data[vi] = c_sand
elseif nofis then -- fine materials cut by fissures
if n_biome > 0.7 then
data[vi] = c_desand
under[si] = 5 -- desert
@ -220,12 +238,15 @@ minetest.register_on_generated(function(minp, maxp, seed)
data[vi] = c_wsdirt
under[si] = 1 -- taiga
end
else -- fissure
stable[si] = 0
under[si] = 0
end
elseif y <= YWAT then -- sea level water
elseif y <= YWAT and density < tstone then -- sea water, not in fissures
data[vi] = c_water
stable[si] = 0
under[si] = 0
elseif densitybase >= triv then -- river water
elseif densitybase >= triv and density < tstone then -- river water, not in fissures
data[vi] = c_wswater
stable[si] = 0
under[si] = 0

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@ -72,7 +72,7 @@ minetest.register_node("watershed:water", {
liquid_alternative_source = "watershed:water",
liquid_viscosity = WATER_VISC,
liquid_renewable = false,
liquid_range = 4,
liquid_range = 3,
post_effect_color = {a=64, r=100, g=100, b=200},
groups = {water=3, liquid=3, puts_out_fire=1},
})
@ -109,7 +109,7 @@ minetest.register_node("watershed:waterflow", {
liquid_alternative_source = "watershed:water",
liquid_viscosity = WATER_VISC,
liquid_renewable = false,
liquid_range = 4,
liquid_range = 3,
post_effect_color = {a=64, r=100, g=100, b=200},
groups = {water=3, liquid=3, puts_out_fire=1, not_in_creative_inventory=1},
})