908 lines
25 KiB
Lua
908 lines
25 KiB
Lua
-- mods/default/mapgen.lua
|
|
|
|
--
|
|
-- Aliases for map generator outputs
|
|
--
|
|
|
|
minetest.register_alias("mapgen_stone", "default:stone")
|
|
minetest.register_alias("mapgen_tree", "default:tree")
|
|
minetest.register_alias("mapgen_leaves", "default:leaves")
|
|
minetest.register_alias("mapgen_jungletree", "default:jungletree")
|
|
minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves")
|
|
minetest.register_alias("mapgen_apple", "default:apple")
|
|
minetest.register_alias("mapgen_water_source", "default:water_source")
|
|
minetest.register_alias("mapgen_dirt", "default:dirt")
|
|
minetest.register_alias("mapgen_sand", "default:sand")
|
|
minetest.register_alias("mapgen_gravel", "default:gravel")
|
|
minetest.register_alias("mapgen_clay", "default:clay")
|
|
minetest.register_alias("mapgen_lava_source", "default:lava_source")
|
|
minetest.register_alias("mapgen_cobble", "default:cobble")
|
|
minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
|
|
minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
|
|
minetest.register_alias("mapgen_junglegrass", "default:junglegrass")
|
|
minetest.register_alias("mapgen_stone_with_coal", "default:stone_with_coal")
|
|
minetest.register_alias("mapgen_stone_with_iron", "default:stone_with_iron")
|
|
minetest.register_alias("mapgen_mese", "default:mese")
|
|
minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
|
|
minetest.register_alias("mapgen_desert_stone", "default:desert_stone")
|
|
minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
|
|
|
|
--
|
|
-- Ore generation
|
|
--
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_coal",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 8*8*8,
|
|
clust_num_ores = 8,
|
|
clust_size = 3,
|
|
height_min = -31000,
|
|
height_max = 64,
|
|
flags = "absheight",
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_coal",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 24*24*24,
|
|
clust_num_ores = 27,
|
|
clust_size = 6,
|
|
height_min = -31000,
|
|
height_max = 0,
|
|
flags = "absheight",
|
|
})
|
|
|
|
--IRON
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_iron",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*7*7*7,
|
|
clust_num_ores = 5,
|
|
clust_size = 3,
|
|
height_min = -31000,
|
|
height_max = 2,
|
|
flags = "absheight",
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_iron",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*24*24*24,
|
|
clust_num_ores = 27,
|
|
clust_size = 6,
|
|
height_min = -31000,
|
|
height_max = 2,
|
|
flags = "absheight",
|
|
})
|
|
|
|
-- COPPER
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_copper",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*12*12*12,
|
|
clust_num_ores = 4,
|
|
clust_size = 3,
|
|
height_min = -31000,
|
|
height_max = -16,
|
|
flags = "absheight",
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_copper",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*9*9*9,
|
|
clust_num_ores = 5,
|
|
clust_size = 3,
|
|
height_min = -31000,
|
|
height_max = -16,
|
|
flags = "absheight",
|
|
})
|
|
|
|
--DIAMOND
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_diamond",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.15*15*15*15,
|
|
clust_num_ores = 4,
|
|
clust_size = 3,
|
|
height_min = -31000,
|
|
height_max = -128,
|
|
flags = "absheight",
|
|
})
|
|
|
|
--GOLD
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_gold",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.15*15*15*15,
|
|
clust_num_ores = 3,
|
|
clust_size = 2,
|
|
height_min = -31000,
|
|
height_max = -64,
|
|
flags = "absheight",
|
|
})
|
|
|
|
|
|
|
|
|
|
--MESE
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_mese",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*18*18*18,
|
|
clust_num_ores = 3,
|
|
clust_size = 2,
|
|
height_min = -31000,
|
|
height_max = -64,
|
|
flags = "absheight",
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_mese",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*14*14*14,
|
|
clust_num_ores = 5,
|
|
clust_size = 3,
|
|
height_min = -31000,
|
|
height_max = -64,
|
|
flags = "absheight",
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:mese",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*36*36*36,
|
|
clust_num_ores = 3,
|
|
clust_size = 2,
|
|
height_min = -31000,
|
|
height_max = -64,
|
|
flags = "absheight",
|
|
})
|
|
|
|
-- ESEM
|
|
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_esem",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*18*18*18,
|
|
clust_num_ores = 3,
|
|
clust_size = 2,
|
|
height_min = -31000,
|
|
height_max = -64,
|
|
flags = "absheight",
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_esem",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*14*14*14,
|
|
clust_num_ores = 5,
|
|
clust_size = 3,
|
|
height_min = -31000,
|
|
height_max = -64,
|
|
flags = "absheight",
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:esem",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 0.2*36*36*36,
|
|
clust_num_ores = 3,
|
|
clust_size = 2,
|
|
height_min = -31000,
|
|
height_max = -64,
|
|
flags = "absheight",
|
|
})
|
|
|
|
-- OTHER
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:clay",
|
|
wherein = "default:sand",
|
|
clust_scarcity = 15*15*15,
|
|
clust_num_ores = 64,
|
|
clust_size = 5,
|
|
height_max = 0,
|
|
height_min = -10,
|
|
})
|
|
|
|
function default.generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume, chunk_size, ore_per_chunk, height_min, height_max)
|
|
minetest.log('action', "WARNING: default.generate_ore is deprecated")
|
|
|
|
if maxp.y < height_min or minp.y > height_max then
|
|
return
|
|
end
|
|
local y_min = math.max(minp.y, height_min)
|
|
local y_max = math.min(maxp.y, height_max)
|
|
if chunk_size >= y_max - y_min + 1 then
|
|
return
|
|
end
|
|
local volume = (maxp.x-minp.x+1)*(y_max-y_min+1)*(maxp.z-minp.z+1)
|
|
local pr = PseudoRandom(seed)
|
|
local num_chunks = math.floor(chunks_per_volume * volume)
|
|
local inverse_chance = math.floor(chunk_size*chunk_size*chunk_size / ore_per_chunk)
|
|
--print("generate_ore num_chunks: "..dump(num_chunks))
|
|
for i=1,num_chunks do
|
|
local y0 = pr:next(y_min, y_max-chunk_size+1)
|
|
if y0 >= height_min and y0 <= height_max then
|
|
local x0 = pr:next(minp.x, maxp.x-chunk_size+1)
|
|
local z0 = pr:next(minp.z, maxp.z-chunk_size+1)
|
|
local p0 = {x=x0, y=y0, z=z0}
|
|
for x1=0,chunk_size-1 do
|
|
for y1=0,chunk_size-1 do
|
|
for z1=0,chunk_size-1 do
|
|
if pr:next(1,inverse_chance) == 1 then
|
|
local x2 = x0+x1
|
|
local y2 = y0+y1
|
|
local z2 = z0+z1
|
|
local p2 = {x=x2, y=y2, z=z2}
|
|
if minetest.get_node(p2).name == wherein then
|
|
minetest.set_node(p2, {name=name})
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
--print("generate_ore done")
|
|
end
|
|
|
|
--
|
|
-- Mgv6 papyrus, cactus, long grasses
|
|
--
|
|
|
|
function default.mgv6_ongen(minp, maxp, seed)
|
|
|
|
function default.make_papyrus(pos, size)
|
|
for y=0,size-1 do
|
|
local p = {x=pos.x, y=pos.y+y, z=pos.z}
|
|
local nn = minetest.get_node(p).name
|
|
if minetest.registered_nodes[nn] and
|
|
minetest.registered_nodes[nn].buildable_to then
|
|
minetest.set_node(p, {name="default:papyrus"})
|
|
else
|
|
return
|
|
end
|
|
end
|
|
end
|
|
|
|
function default.make_cactus(pos, size)
|
|
for y=0,size-1 do
|
|
local p = {x=pos.x, y=pos.y+y, z=pos.z}
|
|
local nn = minetest.get_node(p).name
|
|
if minetest.registered_nodes[nn] and
|
|
minetest.registered_nodes[nn].buildable_to then
|
|
minetest.set_node(p, {name="default:cactus"})
|
|
else
|
|
return
|
|
end
|
|
end
|
|
end
|
|
|
|
if maxp.y >= 2 and minp.y <= 0 then
|
|
-- Generate papyrus
|
|
local perlin1 = minetest.get_perlin(354, 3, 0.7, 100)
|
|
-- Assume X and Z lengths are equal
|
|
local divlen = 8
|
|
local divs = (maxp.x-minp.x)/divlen+1;
|
|
for divx=0,divs-1 do
|
|
for divz=0,divs-1 do
|
|
local x0 = minp.x + math.floor((divx+0)*divlen)
|
|
local z0 = minp.z + math.floor((divz+0)*divlen)
|
|
local x1 = minp.x + math.floor((divx+1)*divlen)
|
|
local z1 = minp.z + math.floor((divz+1)*divlen)
|
|
-- Determine papyrus amount from perlin noise
|
|
local papyrus_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 45 - 20)
|
|
-- Find random positions for papyrus based on this random
|
|
local pr = PseudoRandom(seed+1)
|
|
for i=0,papyrus_amount do
|
|
local x = pr:next(x0, x1)
|
|
local z = pr:next(z0, z1)
|
|
if minetest.get_node({x=x,y=1,z=z}).name == "default:dirt_with_grass" and
|
|
minetest.find_node_near({x=x,y=1,z=z}, 1, "default:water_source") then
|
|
default.make_papyrus({x=x,y=2,z=z}, pr:next(2, 4))
|
|
end
|
|
end
|
|
end
|
|
end
|
|
-- Generate cactuses
|
|
local perlin1 = minetest.get_perlin(230, 3, 0.6, 100)
|
|
-- Assume X and Z lengths are equal
|
|
local divlen = 16
|
|
local divs = (maxp.x-minp.x)/divlen+1;
|
|
for divx=0,divs-1 do
|
|
for divz=0,divs-1 do
|
|
local x0 = minp.x + math.floor((divx+0)*divlen)
|
|
local z0 = minp.z + math.floor((divz+0)*divlen)
|
|
local x1 = minp.x + math.floor((divx+1)*divlen)
|
|
local z1 = minp.z + math.floor((divz+1)*divlen)
|
|
-- Determine cactus amount from perlin noise
|
|
local cactus_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 6 - 3)
|
|
-- Find random positions for cactus based on this random
|
|
local pr = PseudoRandom(seed+1)
|
|
for i=0,cactus_amount do
|
|
local x = pr:next(x0, x1)
|
|
local z = pr:next(z0, z1)
|
|
-- Find ground level (0...15)
|
|
local ground_y = nil
|
|
for y=30,0,-1 do
|
|
if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
|
|
ground_y = y
|
|
break
|
|
end
|
|
end
|
|
-- If desert sand, make cactus
|
|
if ground_y and minetest.get_node({x=x,y=ground_y,z=z}).name == "default:desert_sand" then
|
|
default.make_cactus({x=x,y=ground_y+1,z=z}, pr:next(3, 4))
|
|
end
|
|
end
|
|
end
|
|
end
|
|
-- Generate grass
|
|
local perlin1 = minetest.get_perlin(329, 3, 0.6, 100)
|
|
-- Assume X and Z lengths are equal
|
|
local divlen = 16
|
|
local divs = (maxp.x-minp.x)/divlen+1;
|
|
for divx=0,divs-1 do
|
|
for divz=0,divs-1 do
|
|
local x0 = minp.x + math.floor((divx+0)*divlen)
|
|
local z0 = minp.z + math.floor((divz+0)*divlen)
|
|
local x1 = minp.x + math.floor((divx+1)*divlen)
|
|
local z1 = minp.z + math.floor((divz+1)*divlen)
|
|
-- Determine grass amount from perlin noise
|
|
local grass_amount = math.floor(perlin1:get2d({x=x0, y=z0}) ^ 3 * 9)
|
|
-- Find random positions for grass based on this random
|
|
local pr = PseudoRandom(seed+1)
|
|
for i=0,grass_amount do
|
|
local x = pr:next(x0, x1)
|
|
local z = pr:next(z0, z1)
|
|
-- Find ground level (0...15)
|
|
local ground_y = nil
|
|
for y=30,0,-1 do
|
|
if minetest.get_node({x=x,y=y,z=z}).name ~= "air" then
|
|
ground_y = y
|
|
break
|
|
end
|
|
end
|
|
|
|
if ground_y then
|
|
local p = {x=x,y=ground_y+1,z=z}
|
|
local nn = minetest.get_node(p).name
|
|
-- Check if the node can be replaced
|
|
if minetest.registered_nodes[nn] and
|
|
minetest.registered_nodes[nn].buildable_to then
|
|
nn = minetest.get_node({x=x,y=ground_y,z=z}).name
|
|
-- If desert sand, add dry shrub
|
|
if nn == "default:desert_sand" then
|
|
minetest.set_node(p,{name="default:dry_shrub"})
|
|
|
|
-- If dirt with grass, add grass
|
|
elseif nn == "default:dirt_with_grass" then
|
|
minetest.set_node(p,{name="default:grass_"..pr:next(1, 5)})
|
|
end
|
|
end
|
|
end
|
|
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
end
|
|
|
|
--
|
|
-- Generate nyan cats in all mapgens
|
|
--
|
|
|
|
-- facedir: 0/1/2/3 (head node facedir value)
|
|
-- length: length of rainbow tail
|
|
function default.make_nyancat(pos, facedir, length)
|
|
local tailvec = {x=0, y=0, z=0}
|
|
if facedir == 0 then
|
|
tailvec.z = 1
|
|
elseif facedir == 1 then
|
|
tailvec.x = 1
|
|
elseif facedir == 2 then
|
|
tailvec.z = -1
|
|
elseif facedir == 3 then
|
|
tailvec.x = -1
|
|
else
|
|
--print("default.make_nyancat(): Invalid facedir: "+dump(facedir))
|
|
facedir = 0
|
|
tailvec.z = 1
|
|
end
|
|
local p = {x=pos.x, y=pos.y, z=pos.z}
|
|
minetest.set_node(p, {name="default:nyancat", param2=facedir})
|
|
for i=1,length do
|
|
p.x = p.x + tailvec.x
|
|
p.z = p.z + tailvec.z
|
|
minetest.set_node(p, {name="default:nyancat_rainbow", param2=facedir})
|
|
end
|
|
end
|
|
|
|
function default.generate_nyancats(minp, maxp, seed)
|
|
local height_min = -31000
|
|
local height_max = -32
|
|
if maxp.y < height_min or minp.y > height_max then
|
|
return
|
|
end
|
|
local y_min = math.max(minp.y, height_min)
|
|
local y_max = math.min(maxp.y, height_max)
|
|
local volume = (maxp.x-minp.x+1)*(y_max-y_min+1)*(maxp.z-minp.z+1)
|
|
local pr = PseudoRandom(seed + 9324342)
|
|
local max_num_nyancats = math.floor(volume / (16*16*16))
|
|
for i=1,max_num_nyancats do
|
|
if pr:next(0, 1000) == 0 then
|
|
local x0 = pr:next(minp.x, maxp.x)
|
|
local y0 = pr:next(minp.y, maxp.y)
|
|
local z0 = pr:next(minp.z, maxp.z)
|
|
local p0 = {x=x0, y=y0, z=z0}
|
|
default.make_nyancat(p0, pr:next(0,3), pr:next(3,15))
|
|
end
|
|
end
|
|
end
|
|
|
|
minetest.register_on_generated(default.generate_nyancats)
|
|
|
|
--
|
|
-- Register biomes
|
|
--
|
|
|
|
function default.register_biomes()
|
|
|
|
minetest.clear_registered_biomes()
|
|
|
|
-- Temperate biomes
|
|
|
|
minetest.register_biome({
|
|
name = "grassland",
|
|
node_top = "default:dirt_with_grass",
|
|
node_shore_top = "default:sand",
|
|
depth_top = 1,
|
|
node_filler = "default:dirt",
|
|
node_shore_filler = "default:sand",
|
|
depth_filler = 2,
|
|
height_shore = 3,
|
|
node_underwater = "default:sand",
|
|
--node_stone = "",
|
|
--node_water_top = "",
|
|
--depth_water_top = ,
|
|
--node_water = "",
|
|
--node_dust = "",
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
heat_point = 50,
|
|
humidity_point = 50,
|
|
})
|
|
|
|
--
|
|
-- Register decorations
|
|
--
|
|
|
|
-- Grassland
|
|
|
|
-- Flowers
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = -0.015,
|
|
scale = 0.03,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 436,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "flowers:rose",
|
|
})
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = -0.015,
|
|
scale = 0.03,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 19822,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "flowers:tulip",
|
|
})
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = -0.015,
|
|
scale = 0.03,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 1220999,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "flowers:dandelion_yellow",
|
|
})
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = -0.015,
|
|
scale = 0.03,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 36662,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "flowers:geranium",
|
|
})
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = -0.015,
|
|
scale = 0.03,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 1133,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "flowers:viola",
|
|
})
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = -0.015,
|
|
scale = 0.03,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 73133,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "flowers:dandelion_white",
|
|
})
|
|
|
|
-- Grasses
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = 0.04,
|
|
scale = 0.08,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 66440,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "default:grass_1",
|
|
})
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = 0.02,
|
|
scale = 0.08,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 66440,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "default:grass_2",
|
|
})
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = 0,
|
|
scale = 0.08,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 66440,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "default:grass_3",
|
|
})
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = -0.02,
|
|
scale = 0.08,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 66440,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "default:grass_4",
|
|
})
|
|
|
|
minetest.register_decoration({
|
|
deco_type = "simple",
|
|
place_on = {"default:dirt_with_grass"},
|
|
sidelen = 16,
|
|
noise_params = {
|
|
offset = -0.04,
|
|
scale = 0.08,
|
|
spread = {x=100, y=100, z=100},
|
|
seed = 66440,
|
|
octaves = 3,
|
|
persist = 0.6
|
|
},
|
|
biomes = {"grassland"},
|
|
y_min = -32000,
|
|
y_max = 32000,
|
|
decoration = "default:grass_5",
|
|
})
|
|
|
|
|
|
---ORE THINNING
|
|
|
|
minetest.register_on_generated(function(minp, maxp, seed)
|
|
--if out of range of ore_gen limits
|
|
if minp.y > 0 then
|
|
return --quit; otherwise, you'd have wasted resources
|
|
end
|
|
|
|
--easy reference to commonly used values
|
|
local maxdist=30000
|
|
--best to have max saturation of ore back from the edge of the world
|
|
|
|
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 ("[ore_gen] chunk minp ("..x0.." "..y0.." "..z0..")") --tell people you are generating a chunk
|
|
|
|
--This actually initializes the LVM
|
|
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
|
|
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
|
|
local data = vm:get_data()
|
|
|
|
--grab content IDs -- You need these to efficiently access and set node data. get_node() works, but is far slower
|
|
local c_air = minetest.get_content_id("air")
|
|
local c_stone = minetest.get_content_id("default:stone")
|
|
local c_water = minetest.get_content_id("default:water_source")
|
|
local c_lava = minetest.get_content_id("default:lava_source")
|
|
local c_iron = minetest.get_content_id("default:stone_with_iron")
|
|
local c_coal = minetest.get_content_id("default:stone_with_coal")
|
|
local c_copper = minetest.get_content_id("default:stone_with_copper")
|
|
local c_mese = minetest.get_content_id("default:stone_with_mese")
|
|
local c_meseblock = minetest.get_content_id("default:mese")
|
|
local c_esem = minetest.get_content_id("default:stone_with_esem")
|
|
local c_esemblock = minetest.get_content_id("default:esem")
|
|
local c_diamond = minetest.get_content_id("default:stone_with_diamond")
|
|
local c_goldblock = minetest.get_content_id("default:goldblock")
|
|
local c_diamondblock = minetest.get_content_id("default:diamondblock")
|
|
|
|
--we do NOT need to recalculate adj for each and every node!
|
|
--calculate it once for the entire cluster
|
|
local dist = math.sqrt(math.abs(x0)^2 + math.abs(y0)^2 + math.abs(z0)^2)
|
|
if dist > maxdist then
|
|
dist=maxdist
|
|
end --maxdist
|
|
local adj=(dist/maxdist)
|
|
if adj < 0.05 then
|
|
adj=0.05 --because we don't want spawn completely bare
|
|
end --min adj
|
|
if x0 > 0 then
|
|
adj=adj*0.5 --ore less likely in east
|
|
end
|
|
|
|
local changed=false
|
|
for z = z0, z1 do -- for each xy plane progressing northwards
|
|
for y = y0, y1 do -- for each x row progressing upwards
|
|
--local vi = area:index(x0, y, z) -- This accesses the node at a given position
|
|
for x = x0, x1 do -- for each node do
|
|
local vi = area:index(x, y, z) -- This accesses the node at a given position
|
|
|
|
if x > -1 and ( data[vi] == c_mese or data[vi] == c_meseblock or
|
|
data[vi] == c_esem or data[vi] == c_esemblock) then
|
|
--data[vi] = c_stone -- remove the ore
|
|
data[vi] = c_diamondblock
|
|
changed=true
|
|
-- Now test the node if it's an ore that needs to be potentially thinned out
|
|
elseif data[vi] == c_iron or data[vi] == c_copper or data[vi] == c_diamond or
|
|
data[vi] == c_mese or data[vi] == c_meseblock or
|
|
data[vi] == c_esem or data[vi] == c_esemblock
|
|
then
|
|
-- it is, so now thin it based on distance from center
|
|
-- note the bigger adj is, the smaller the chance of thinning.
|
|
if math.random() > adj then
|
|
--data[vi] = c_stone -- remove the ore
|
|
data[vi] = c_goldblock
|
|
changed=true
|
|
end
|
|
end -- end ore existence check
|
|
end -- end 'x' loop
|
|
end -- end 'y' loop
|
|
end -- end 'z' loop
|
|
|
|
if changed==true then
|
|
-- Wrap things up and write back to map
|
|
--send data back to voxelmanip
|
|
vm:set_data(data)
|
|
--calc lighting
|
|
vm:set_lighting({day=0, night=0})
|
|
vm:calc_lighting()
|
|
--write it to world
|
|
vm:write_to_map(data)
|
|
end
|
|
|
|
local chugent = math.ceil((os.clock() - t1) * 1000) --grab how long it took
|
|
print ("[ore_gen] "..chugent.." ms") --tell people how long
|
|
end)
|
|
|
|
|
|
--FRACTURE GENERATION
|
|
|
|
|
|
minetest.register_on_generated(function(minp, maxp, seed)
|
|
--if out of range of ore_gen limits
|
|
if maxp.x < -11 or minp.x > 11 or maxp.y < -41 or minp.y > 100 then
|
|
return --quit; otherwise, you'd have wasted resources
|
|
end
|
|
|
|
--easy reference to commonly used values
|
|
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 ("[fracture_gen] chunk minp ("..x0.." "..y0.." "..z0..")") --tell people you are generating a chunk
|
|
|
|
--This actually initializes the LVM
|
|
local vm, emin, emax = minetest.get_mapgen_object("voxelmanip")
|
|
local area = VoxelArea:new{MinEdge=emin, MaxEdge=emax}
|
|
local data = vm:get_data()
|
|
|
|
--grab content IDs -- You need these to efficiently access and set node data. get_node() works, but is far slower
|
|
local c_air = minetest.get_content_id("air")
|
|
local c_stone = minetest.get_content_id("default:stone")
|
|
local c_water = minetest.get_content_id("default:water_source")
|
|
local c_lava = minetest.get_content_id("default:lava_source")
|
|
|
|
local changed=false
|
|
for z = z0, z1 do -- for each xy plane progressing northwards
|
|
for y = y0, y1 do -- for each x row progressing upwards
|
|
for x = x0, x1 do -- for each node do
|
|
local vi = area:index(x, y, z) -- This accesses the node at a given position
|
|
if x > -11 and x < 11 then
|
|
if y > -40 then
|
|
if y < -20 then
|
|
if data[vi] ~= c_water then
|
|
if y > -39 then
|
|
data[vi]=c_water
|
|
changed=true
|
|
elseif math.random()<0.995 then
|
|
--leave a FEW bumps sticking up
|
|
data[vi]=c_water
|
|
changed=true
|
|
end -- water
|
|
end -- y<-20 and not water
|
|
elseif y < 100 and data[vi] ~= c_air then
|
|
data[vi]=c_air
|
|
changed=true
|
|
end -- air or water based on y
|
|
end -- in y range
|
|
end -- in x range
|
|
if x == -11 or x == 11 then
|
|
if data[vi] == c_water and math.random()<0.997 then
|
|
data[vi]=c_stone
|
|
changed=true
|
|
end -- change water to stone on edge
|
|
end -- x is on edge
|
|
end -- end 'x' loop
|
|
end -- end 'y' loop
|
|
end -- end 'z' loop
|
|
|
|
if changed==true then
|
|
-- Wrap things up and write back to map
|
|
--send data back to voxelmanip
|
|
vm:set_data(data)
|
|
--calc lighting
|
|
vm:set_lighting({day=0, night=0})
|
|
vm:calc_lighting()
|
|
--write it to world
|
|
vm:write_to_map(data)
|
|
end --if changed write to map
|
|
|
|
local chugent = math.ceil((os.clock() - t1) * 1000) --grab how long it took
|
|
print ("[fracture_gen] "..chugent.." ms") --tell people how long
|
|
end)
|
|
|
|
|
|
|
|
|
|
end
|
|
|
|
--
|
|
-- Detect mapgen and select suitable biome code
|
|
--
|
|
|
|
local mg_params = minetest.get_mapgen_params()
|
|
if mg_params.mgname == "v6" then
|
|
minetest.register_on_generated(default.mgv6_ongen)
|
|
else
|
|
default.register_biomes()
|
|
end
|
|
|