354 lines
9.9 KiB
Lua
354 lines
9.9 KiB
Lua
-- moonrealm 0.5.0 by paramat
|
|
-- For latest stable Minetest and back to 0.4.8
|
|
-- Depends default
|
|
-- Licenses: code WTFPL, textures CC BY-SA
|
|
|
|
-- Parameters
|
|
|
|
local XMIN = -33000 -- -- Approx horizontal limits
|
|
local XMAX = 33000
|
|
local ZMIN = -33000
|
|
local ZMAX = 33000
|
|
|
|
local YMIN = 14000 -- -- Approx lower limit
|
|
local LHCLEV = 14968 -- -- Liquid hydrocarbon lake level
|
|
local GRADCEN = 15000 -- -- Grad centre / terrain centre average level
|
|
local ICELEV = 15128 -- -- Ice spawns above this altitude
|
|
local YMAX = 16000 -- -- Approx top of atmosphere
|
|
|
|
local CENAMP = 96 -- -- Offset centre amplitude, terrain centre is varied by this
|
|
local HIGRAD = 96 -- -- Surface generating noise gradient above offcen, controls depth of upper terrain
|
|
local LOGRAD = 96 -- -- Surface generating noise gradient below offcen, controls depth of lower terrain
|
|
local HEXP = 0.5 -- -- Noise offset exponent above offcen, 1 = normal 3D perlin terrain
|
|
local LEXP = 2 -- -- Noise offset exponent below offcen
|
|
|
|
local FISTS = 0 -- -- Fissure threshold at surface. Controls size of fissure entrances at surface
|
|
local FISEXP = 0.05 -- -- Fissure expansion rate under surface
|
|
|
|
local STOT = 0.1 -- -- Stone density threshold, depth of dust
|
|
local DUSRAN = 0.05 -- -- Dust blend randonmness
|
|
|
|
local LUXCHA = 7*7*7 -- 7*7*7 -- Luxore 1/x chance underground
|
|
local IROCHA = 5*5*5 -- 5*5*5 -- Iron ore 1/x chance
|
|
local MESCHA = 23*23*23 -- 23*23*23 -- Mese block 1/x chance
|
|
|
|
local AIRINT = 29 -- -- Air spread abm interval
|
|
local AIRCHA = 9 -- -- 1/x chance per air node
|
|
local SOILINT = 31 -- -- Hydroponics saturation / drying abm intervals
|
|
local PININT = 57 -- -- Spawn pine abm interval
|
|
local PINCHA = 2 -- -- 1/x chance per sapling
|
|
|
|
-- 3D noise for terrain
|
|
|
|
local np_terrain = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=256, y=256, z=256},
|
|
seed = 58588900033,
|
|
octaves = 5,
|
|
persist = 0.6
|
|
}
|
|
|
|
-- 3D noise for alt terrain, 414 / 256 = golden ratio
|
|
|
|
local np_terralt = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=414, y=414, z=414},
|
|
seed = 13331930910,
|
|
octaves = 6,
|
|
persist = 0.6
|
|
}
|
|
|
|
-- 3D noise for fissures
|
|
|
|
local np_fissure = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=207, y=207, z=207},
|
|
seed = 8181112,
|
|
octaves = 5,
|
|
persist = 0.5
|
|
}
|
|
|
|
-- 3D noise for gradient centre
|
|
|
|
local np_gradcen = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=512, y=512, z=512},
|
|
seed = 9344,
|
|
octaves = 4,
|
|
persist = 0.6
|
|
}
|
|
|
|
-- 3D noise for dust type
|
|
|
|
local np_dust = {
|
|
offset = 0,
|
|
scale = 1,
|
|
spread = {x=256, y=256, z=256},
|
|
seed = 44,
|
|
octaves = 3,
|
|
persist = 0.5
|
|
}
|
|
|
|
-- Stuff
|
|
|
|
moonrealm = {}
|
|
|
|
dofile(minetest.get_modpath("moonrealm").."/nodes.lua")
|
|
dofile(minetest.get_modpath("moonrealm").."/functions.lua")
|
|
|
|
-- On dignode function, atmosphere or air flows into a dug hole from face-connected neighbours only
|
|
|
|
if ATMOS then
|
|
minetest.register_on_dignode(function(pos, oldnode, digger)
|
|
local x = pos.x
|
|
local y = pos.y
|
|
local z = pos.z
|
|
for i = -1,1 do
|
|
for j = -1,1 do
|
|
for k = -1,1 do
|
|
if math.abs(i) + math.abs(j) + math.abs(k) == 1 then
|
|
local nodename = minetest.get_node({x=x+i,y=y+j,z=z+k}).name
|
|
if nodename == "moonrealm:atmos" then -- atmos has priority to avoid air lweaks
|
|
minetest.add_node({x=x,y=y,z=z},{name="moonrealm:atmos"})
|
|
print ("[moonrealm] Atmosphere flows into hole")
|
|
return
|
|
elseif nodename == "moonrealm:air" then
|
|
minetest.add_node({x=x,y=y,z=z},{name="moonrealm:air"})
|
|
print ("[moonrealm] Air flows into hole")
|
|
return
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end)
|
|
end
|
|
|
|
-- -- ABMs
|
|
|
|
-- Air spreads into face-connected neighbours
|
|
|
|
if ATMOS and AIRGEN then
|
|
minetest.register_abm({
|
|
nodenames = {"moonrealm:air"},
|
|
neighbors = {"moonrealm:atmos"},
|
|
interval = AIRINT,
|
|
chance = AIRCHA,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
local x = pos.x
|
|
local y = pos.y
|
|
local z = pos.z
|
|
local nodair = 0
|
|
for i = -1,1 do
|
|
for j = -1,1 do
|
|
for k = -1,1 do
|
|
if not (i == 0 and j == 0 and k == 0) then
|
|
local nodename = minetest.get_node({x=x+i,y=y+j,z=z+k}).name
|
|
if nodename == "moonrealm:air" then
|
|
nodair = nodair + 1
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
if nodair < 2 then
|
|
return
|
|
end
|
|
for i = -1,1 do
|
|
for j = -1,1 do
|
|
for k = -1,1 do
|
|
if math.abs(i) + math.abs(j) + math.abs(k) == 1 then
|
|
local nodename = minetest.get_node({x=x+i,y=y+j,z=z+k}).name
|
|
if nodename == "moonrealm:atmos" then
|
|
minetest.add_node({x=x+i,y=y+j,z=z+k},{name="moonrealm:air"})
|
|
print ("[moonrealm] Air spreads")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
})
|
|
end
|
|
|
|
-- Hydroponics, saturation and drying
|
|
|
|
minetest.register_abm({
|
|
nodenames = {"moonrealm:hlsource", "moonrealm:hlflowing"},
|
|
neighbors = {"moonrealm:moondust5"},
|
|
interval = SOILINT,
|
|
chance = 9,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
local x = pos.x
|
|
local y = pos.y
|
|
local z = pos.z
|
|
for i = -1,1 do
|
|
for j = -2,0 do -- saturates out and downwards to pos.y - 2, a 3x3 cube.
|
|
for k = -1,1 do
|
|
if not (i == 0 and j == 0 and k == 0) then
|
|
local nodename = minetest.get_node({x=x+i,y=y+j,z=z+k}).name
|
|
if nodename == "moonrealm:moondust5" then
|
|
minetest.add_node({x=x+i,y=y+j,z=z+k},{name="moonrealm:moonsoil"})
|
|
print ("[moonrealm] Hydroponic liquid saturates ("..i.." "..j.." "..k..")")
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
})
|
|
|
|
minetest.register_abm({
|
|
nodenames = {"moonrealm:moonsoil"},
|
|
interval = SOILINT,
|
|
chance = 27,
|
|
action = function(pos, node)
|
|
local x = pos.x
|
|
local y = pos.y
|
|
local z = pos.z
|
|
for i = -1, 1 do
|
|
for j = 0, 2 do -- search above for liquid
|
|
for k = -1, 1 do
|
|
if not (i == 0 and j == 0 and k == 0) then
|
|
local nodename = minetest.get_node({x=x+i,y=y+j,z=z+k}).name
|
|
if nodename == "moonrealm:hlsource" or nodename == "moonrealm:hlflowing" then
|
|
return
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
minetest.add_node(pos,{name="moonrealm:moondust5"})
|
|
print ("[moonrealm] Moonsoil dries ("..x.." "..y.." "..z..")")
|
|
end,
|
|
})
|
|
|
|
-- Space pine from sapling
|
|
|
|
minetest.register_abm({
|
|
nodenames = {"moonrealm:psapling"},
|
|
interval = PININT,
|
|
chance = PINCHA,
|
|
action = function(pos, node, active_object_count, active_object_count_wider)
|
|
moonrealm_pine(pos)
|
|
end,
|
|
})
|
|
|
|
-- On generated function
|
|
|
|
minetest.register_on_generated(function(minp, maxp, seed)
|
|
if minp.x < XMIN or maxp.x > XMAX
|
|
or minp.y < YMIN or maxp.y > YMAX
|
|
or minp.z < ZMIN or maxp.z > ZMAX then
|
|
return
|
|
end
|
|
|
|
local t1 = os.clock()
|
|
local x1 = maxp.x
|
|
local y1 = maxp.y
|
|
local z1 = maxp.z
|
|
local x0 = minp.x
|
|
local y0 = minp.y
|
|
local z0 = minp.z
|
|
|
|
print ("[moonrealm] chunk minp ("..x0.." "..y0.." "..z0..")")
|
|
|
|
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
|
|
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
|
|
local data = vm:get_data()
|
|
|
|
local c_mese = minetest.get_content_id("default:mese")
|
|
local c_ironore = minetest.get_content_id("moonrealm:ironore")
|
|
local c_luxore = minetest.get_content_id("moonrealm:luxore")
|
|
local c_mstone = minetest.get_content_id("moonrealm:moonstone")
|
|
local c_msand = minetest.get_content_id("default:sandstone")
|
|
local c_watice = minetest.get_content_id("moonrealm:waterice")
|
|
local c_mdust1 = minetest.get_content_id("moonrealm:moondust1")
|
|
local c_mdust2 = minetest.get_content_id("moonrealm:moondust2")
|
|
local c_mdust3 = minetest.get_content_id("moonrealm:moondust3")
|
|
local c_mdust4 = minetest.get_content_id("moonrealm:moondust4")
|
|
local c_mdust5 = minetest.get_content_id("moonrealm:moondust5")
|
|
local c_atmos = minetest.get_content_id("moonrealm:atmos")
|
|
local c_lhcsour = minetest.get_content_id("moonrealm:lhcsource")
|
|
|
|
local sidelen = x1 - x0 + 1
|
|
local chulens = {x=sidelen, y=sidelen, z=sidelen}
|
|
local minpos = {x=x0, y=y0, z=z0}
|
|
|
|
local nvals_terrain = minetest.get_perlin_map(np_terrain, chulens):get3dMap_flat(minpos)
|
|
local nvals_terralt = minetest.get_perlin_map(np_terralt, chulens):get3dMap_flat(minpos)
|
|
local nvals_fissure = minetest.get_perlin_map(np_fissure, chulens):get3dMap_flat(minpos)
|
|
local nvals_gradcen = minetest.get_perlin_map(np_gradcen, chulens):get3dMap_flat(minpos)
|
|
local nvals_dust = minetest.get_perlin_map(np_dust, chulens):get3dMap_flat(minpos)
|
|
|
|
local ni = 1
|
|
for z = z0, z1 do
|
|
for y = y0, y1 do
|
|
local vi = area:index(x0, y, z) -- LVM index for first node in x row
|
|
for x = x0, x1 do
|
|
local grad
|
|
local cenoff = GRADCEN + nvals_gradcen[ni] * CENAMP
|
|
if y > cenoff then
|
|
grad = -((y - cenoff) / HIGRAD) ^ HEXP
|
|
else
|
|
grad = ((cenoff - y) / LOGRAD) ^ LEXP
|
|
end
|
|
local density = (nvals_terrain[ni] + nvals_terralt[ni]) / 2 + grad
|
|
if density > 0 then -- if solid terrain
|
|
local nofis = false
|
|
if math.abs(nvals_fissure[ni]) > FISTS + math.sqrt(density) * FISEXP then
|
|
nofis = true
|
|
end
|
|
if density >= STOT and nofis then -- stone, ores
|
|
if math.random(MESCHA) == 2 then
|
|
data[vi] = c_mese
|
|
elseif math.random(IROCHA) == 2 then
|
|
data[vi] = c_ironore
|
|
elseif math.random(LUXCHA) == 2 then
|
|
data[vi] = c_luxore
|
|
else
|
|
data[vi] = c_mstone
|
|
end
|
|
elseif density < STOT then
|
|
if y <= LHCLEV + math.random(3) then -- moonsand below liquid level
|
|
data[vi] = c_msand
|
|
elseif nofis then
|
|
if y > ICELEV and math.random(8) == 2 then -- dusts and water ice
|
|
data[vi] = c_watice
|
|
elseif nvals_dust[ni] < -0.9 + (math.random() - 0.5) * DUSRAN then
|
|
data[vi] = c_mdust1
|
|
elseif nvals_dust[ni] < -0.3 + (math.random() - 0.5) * DUSRAN then
|
|
data[vi] = c_mdust2
|
|
elseif nvals_dust[ni] < 0.3 + (math.random() - 0.5) * DUSRAN then
|
|
data[vi] = c_mdust3
|
|
elseif nvals_dust[ni] < 0.9 + (math.random() - 0.5) * DUSRAN then
|
|
data[vi] = c_mdust4
|
|
else
|
|
data[vi] = c_mdust5
|
|
end
|
|
end
|
|
elseif not nofis then -- fissure, add atmos
|
|
data[vi] = c_atmos
|
|
end
|
|
elseif y <= LHCLEV then -- if lake then
|
|
data[vi] = c_lhcsour
|
|
else -- atmosphere
|
|
data[vi] = c_atmos
|
|
end
|
|
ni = ni + 1
|
|
vi = vi + 1
|
|
end
|
|
end
|
|
end
|
|
|
|
vm:set_data(data)
|
|
vm:set_lighting({day=0, night=0})
|
|
vm:calc_lighting()
|
|
vm:write_to_map(data)
|
|
local chugent = math.ceil((os.clock() - t1) * 1000)
|
|
print ("[moonrealm] "..chugent.." ms")
|
|
end) |