520 lines
15 KiB
Lua
520 lines
15 KiB
Lua
-- mods/default/mapgen.lua
|
|
|
|
--
|
|
-- Aliases for map generator outputs
|
|
--
|
|
|
|
minetest.register_alias("mapgen_air", "air")
|
|
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:leaves")
|
|
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_desert_sand", "default:sand")
|
|
minetest.register_alias("mapgen_desert_stone", "default:sandstone")
|
|
minetest.register_alias("mapgen_river_water_source", "default:water_source")
|
|
--
|
|
-- Ore generation
|
|
--
|
|
|
|
--
|
|
-- Coal
|
|
--
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_coal",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 500,
|
|
clust_num_ores = 8,
|
|
clust_size = 3,
|
|
height_min = -59,
|
|
height_max = -12,
|
|
})
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_coal",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 1000,
|
|
clust_num_ores = 6,
|
|
clust_size = 3,
|
|
height_min = -11,
|
|
height_max = 64,
|
|
})
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_coal",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 5000,
|
|
clust_num_ores = 4,
|
|
clust_size = 2,
|
|
height_min = 65,
|
|
height_max = 67,
|
|
})
|
|
|
|
--
|
|
-- Iron
|
|
--
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_iron",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 830,
|
|
clust_num_ores = 5,
|
|
clust_size = 3,
|
|
height_min = -59,
|
|
height_max = -10,
|
|
})
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_iron",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 1660,
|
|
clust_num_ores = 3,
|
|
clust_size = 2,
|
|
height_min = -9,
|
|
height_max = 0,
|
|
})
|
|
|
|
--
|
|
-- Gold
|
|
--
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_gold",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 5000,
|
|
clust_num_ores = 5,
|
|
clust_size = 3,
|
|
height_min = -59,
|
|
height_max = -35,
|
|
})
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_gold",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 10000,
|
|
clust_num_ores = 3,
|
|
clust_size = 2,
|
|
height_min = -35,
|
|
height_max = -33,
|
|
})
|
|
|
|
--
|
|
-- Diamond
|
|
--
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_diamond",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 10000,
|
|
clust_num_ores = 4,
|
|
clust_size = 3,
|
|
height_min = -59,
|
|
height_max = -48,
|
|
})
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_diamond",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 5000,
|
|
clust_num_ores = 2,
|
|
clust_size = 2,
|
|
height_min = -59,
|
|
height_max = -48,
|
|
})
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_diamond",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 10000,
|
|
clust_num_ores = 8,
|
|
clust_size = 3,
|
|
height_min = -55,
|
|
height_max = -52,
|
|
})
|
|
|
|
--
|
|
-- Redstone
|
|
--
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_redstone",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 10000,
|
|
clust_num_ores = 5,
|
|
clust_size = 3,
|
|
height_min = -59,
|
|
height_max = -48,
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_redstone",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 10000,
|
|
clust_num_ores = 10,
|
|
clust_size = 4,
|
|
height_min = -59,
|
|
height_max = -48,
|
|
})
|
|
|
|
--
|
|
-- Emerald
|
|
--
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_emerald",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 10000,
|
|
clust_num_ores = 1,
|
|
clust_size = 2,
|
|
height_min = -59,
|
|
height_max = -35,
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_emerald",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 50000,
|
|
clust_num_ores = 3,
|
|
clust_size = 2,
|
|
height_min = -59,
|
|
height_max = -35,
|
|
})
|
|
|
|
--
|
|
-- Lapis Lazuli
|
|
--
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_lapis",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 10000,
|
|
clust_num_ores = 7,
|
|
clust_size = 4,
|
|
height_min = -50,
|
|
height_max = -46,
|
|
})
|
|
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:stone_with_lapis",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 10000,
|
|
clust_num_ores = 5,
|
|
clust_size = 4,
|
|
height_min = -59,
|
|
height_max = -50,
|
|
})
|
|
|
|
--
|
|
-- Glowstone
|
|
--
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:glowstone",
|
|
wherein = "default:stone",
|
|
clust_scarcity = 50000,
|
|
clust_num_ores = 10,
|
|
clust_size = 5,
|
|
height_min = -59,
|
|
height_max = -0,
|
|
})
|
|
|
|
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.env:get_node(p2).name == wherein then
|
|
minetest.env:set_node(p2, {name=name})
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
--print("generate_ore done")
|
|
end
|
|
|
|
function default.make_reeds(pos, size)
|
|
for y=0,size-1 do
|
|
local p = {x=pos.x, y=pos.y+y, z=pos.z}
|
|
local nn = minetest.env:get_node(p).name
|
|
if minetest.registered_nodes[nn] and
|
|
minetest.registered_nodes[nn].buildable_to then
|
|
minetest.env:set_node(p, {name="default:reeds"})
|
|
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.env:get_node(p).name
|
|
if minetest.registered_nodes[nn] and
|
|
minetest.registered_nodes[nn].buildable_to then
|
|
minetest.env:set_node(p, {name="default:cactus"})
|
|
else
|
|
return
|
|
end
|
|
end
|
|
end
|
|
|
|
|
|
minetest.register_on_generated(function(minp, maxp, seed)
|
|
if maxp.y >= 2 and minp.y <= 0 then
|
|
-- Generate clay
|
|
-- Assume X and Z lengths are equal
|
|
local divlen = 4
|
|
local divs = (maxp.x-minp.x)/divlen+1;
|
|
for divx=0+1,divs-1-1 do
|
|
for divz=0+1,divs-1-1 do
|
|
local cx = minp.x + math.floor((divx+0.5)*divlen)
|
|
local cz = minp.z + math.floor((divz+0.5)*divlen)
|
|
if minetest.env:get_node({x=cx,y=1,z=cz}).name == "default:water_source" and
|
|
minetest.env:get_node({x=cx,y=0,z=cz}).name == "default:sand" then
|
|
local is_shallow = true
|
|
local num_water_around = 0
|
|
if minetest.env:get_node({x=cx-divlen*2,y=1,z=cz+0}).name == "default:water_source" then
|
|
num_water_around = num_water_around + 1 end
|
|
if minetest.env:get_node({x=cx+divlen*2,y=1,z=cz+0}).name == "default:water_source" then
|
|
num_water_around = num_water_around + 1 end
|
|
if minetest.env:get_node({x=cx+0,y=1,z=cz-divlen*2}).name == "default:water_source" then
|
|
num_water_around = num_water_around + 1 end
|
|
if minetest.env:get_node({x=cx+0,y=1,z=cz+divlen*2}).name == "default:water_source" then
|
|
num_water_around = num_water_around + 1 end
|
|
if num_water_around >= 2 then
|
|
is_shallow = false
|
|
end
|
|
if is_shallow then
|
|
for x1=-divlen,divlen do
|
|
for z1=-divlen,divlen do
|
|
if minetest.env:get_node({x=cx+x1,y=0,z=cz+z1}).name == "default:sand" or minetest.env:get_node({x=cx+x1,y=0,z=cz+z1}).name == "default:sandstone" then
|
|
minetest.env:set_node({x=cx+x1,y=0,z=cz+z1}, {name="default:clay"})
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
-- Generate reeds
|
|
local perlin1 = minetest.env: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 reeds amount from perlin noise
|
|
local reeds_amount = math.floor(perlin1:get2d({x=x0, y=z0}) * 45 - 20)
|
|
-- Find random positions for reeds based on this random
|
|
local pr = PseudoRandom(seed+1)
|
|
for i=0,reeds_amount do
|
|
local x = pr:next(x0, x1)
|
|
local z = pr:next(z0, z1)
|
|
if minetest.env:get_node({x=x,y=1,z=z}).name == "default:dirt_with_grass" and
|
|
minetest.env:find_node_near({x=x,y=1,z=z}, 1, "default:water_source") then
|
|
default.make_reeds({x=x,y=2,z=z}, pr:next(2, 4))
|
|
end
|
|
local p = {x=x,y=1,z=z}
|
|
if minetest.env:get_node(p).name == "default:sand" then
|
|
if math.random(0,1000) == 1 then -- 0,12000
|
|
random_struct.call_struct(p,2)
|
|
end
|
|
end
|
|
|
|
end
|
|
end
|
|
end
|
|
-- Generate cactuses
|
|
local perlin1 = minetest.env: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.env: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.env: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.env:get_perlin(329, 3, 0.6, 100)
|
|
-- Assume X and Z lengths are equal
|
|
local divlen = 5
|
|
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}) * 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.env: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.env: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.env:get_node({x=x,y=ground_y,z=z}).name
|
|
-- If desert sand, add dry shrub
|
|
if nn == "default:desert_sand" then
|
|
minetest.env:set_node(p,{name="default:dry_shrub"})
|
|
|
|
-- If dirt with grass, add grass
|
|
elseif nn == "default:dirt_with_grass" then
|
|
minetest.env:set_node(p,{name="default:grass"})
|
|
if math.random(0,12000) == 1 then
|
|
random_struct.call_struct(p,1)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Generate nyan cats
|
|
--generate_nyancats(seed, minp, maxp)
|
|
end)
|
|
|
|
local function replace(old, new, min, max)
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = new,
|
|
wherein = old,
|
|
clust_scarcity = 1,
|
|
clust_num_ores = 1,
|
|
clust_size = 1,
|
|
height_min = min,
|
|
height_max = max,
|
|
})
|
|
end
|
|
replace("air", "default:bedrock", -90, -80)
|
|
replace("air", "default:lava_source", -80, -70)
|
|
replace("default:stone", "default:bedrock", -90, -80)
|
|
replace("default:gravel", "default:bedrock", -90, -80)
|
|
replace("default:dirt", "default:bedrock", -90, -80)
|
|
replace("default:sand", "default:bedrock", -90, -80)
|
|
replace("default:cobble", "default:bedrock", -90, -80)
|
|
replace("default:mossycobble", "default:bedrock", -90, -80)
|
|
replace("stairs:stair_cobble", "default:bedrock", -90, -80)
|
|
replace("default:lava_source", "default:bedrock", -90, -80)
|
|
replace("default:lava_flowing", "default:bedrock", -90, -80)
|
|
replace("default:water_source", "default:bedrock", -90, -80)
|
|
replace("default:water_flowing", "default:bedrock", -90, -80)
|
|
|
|
local function bedrock(old)
|
|
minetest.register_ore({
|
|
ore_type = "scatter",
|
|
ore = "default:bedrock",
|
|
wherein = old,
|
|
clust_scarcity = 5,
|
|
clust_num_ores = 3,
|
|
clust_size = 2,
|
|
height_min = -64,
|
|
height_max = -60,
|
|
})
|
|
end
|
|
bedrock("air")
|
|
bedrock("default:stone")
|
|
bedrock("default:gravel")
|
|
bedrock("default:dirt")
|
|
bedrock("default:sand")
|
|
bedrock("default:cobble")
|
|
bedrock("default:mossycobble")
|
|
bedrock("stairs:stair_cobble")
|
|
bedrock("default:lava_source")
|
|
bedrock("default:lava_flowing")
|
|
bedrock("default:water_source")
|
|
bedrock("default:water_flowing")
|
|
|