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server-nalc/minetestforfun_game/mods/default/mapgen.lua

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-- 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 = 9 * 9 * 9,
clust_num_ores = 8,
clust_size = 3,
height_min = -30000,
height_max = 64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:desert_stone_with_coal",
wherein = "default:desert_stone",
clust_scarcity = 9 * 9 * 9,
clust_num_ores = 10,
clust_size = 3,
height_min = 0,
height_max = 64,
})
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 = -30000,
height_max = 0,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 11 * 11 * 11,
clust_num_ores = 3,
clust_size = 2,
height_min = -15,
height_max = 2,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 10 * 10 * 10,
clust_num_ores = 5,
clust_size = 3,
height_min = -63,
height_max = -16,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 9 * 9 * 9,
clust_num_ores = 5,
clust_size = 3,
height_min = -30000,
height_max = -64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 25 * 25 * 25,
clust_num_ores = 27,
clust_size = 6,
height_min = -30000,
height_max = -64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_mese",
wherein = "default:stone",
clust_scarcity = 18 * 18 * 18,
clust_num_ores = 3,
clust_size = 2,
height_min = -255,
height_max = -64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_mese",
wherein = "default:stone",
clust_scarcity = 14 * 14 * 14,
clust_num_ores = 5,
clust_size = 3,
height_min = -1024,
height_max = -256,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:mese",
wherein = "default:stone",
clust_scarcity = 20 * 20 * 20,
clust_num_ores = 3,
clust_size = 2,
height_min = -30000,
height_max = -1024,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:mese",
wherein = "default:stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 3,
clust_size = 2,
height_min = -1024,
height_max = 64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:meze",
wherein = "default:stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 3,
clust_size = 2,
height_min = 0,
height_max = 64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:mese",
wherein = "default:desert_stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 3,
clust_size = 2,
height_min = -1024,
height_max = 64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:meze",
wherein = "default:desert_stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 3,
clust_size = 2,
height_min = 0,
height_max = 64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "maptools:superapple",
wherein = "default:apple",
clust_scarcity = 6 * 6 * 6,
clust_num_ores = 5,
clust_size = 2,
height_min = 0,
height_max = 64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "maptools:superapple",
wherein = "default:jungleleaves",
clust_scarcity = 16 * 16 * 16,
clust_num_ores = 5,
clust_size = 2,
height_min = 0,
height_max = 64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_coin",
wherein = "default:stone",
clust_scarcity = 26 * 26 * 26,
clust_num_ores = 1,
clust_size = 1,
height_min = -30000,
height_max = 0,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_gold",
wherein = "default:stone",
clust_scarcity = 15 * 15 * 15,
clust_num_ores = 3,
clust_size = 2,
height_min = -255,
height_max = -64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_gold",
wherein = "default:stone",
clust_scarcity = 13 * 13 * 13,
clust_num_ores = 5,
clust_size = 3,
height_min = -30000,
height_max = -256,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_diamond",
wherein = "default:stone",
clust_scarcity = 17 * 17 * 17,
clust_num_ores = 4,
clust_size = 3,
height_min = -255,
height_max = -128,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_diamond",
wherein = "default:stone",
clust_scarcity = 15 * 15 * 15,
clust_num_ores = 4,
clust_size = 3,
height_min = -30000,
height_max = -256,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_copper",
wherein = "default:stone",
clust_scarcity = 12 * 12 * 12,
clust_num_ores = 4,
clust_size = 3,
height_min = -63,
height_max = -16,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:desert_stone_with_copper",
wherein = "default:desert_stone",
clust_scarcity = 11 * 11 * 11,
clust_num_ores = 6,
clust_size = 3,
height_min = 0,
height_max = 64,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_copper",
wherein = "default:stone",
clust_scarcity = 10 * 10 * 10,
clust_num_ores = 5,
clust_size = 3,
height_min = -30000,
height_max = -64,
flags = "absheight",
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_coal",
wherein = "default:stone",
clust_scarcity = 32 * 32 * 32,
clust_num_ores = 40,
clust_size = 4,
height_max = 64,
height_min = -30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_iron",
wherein = "default:stone",
clust_scarcity = 48 * 48 * 48,
clust_num_ores = 40,
clust_size = 4,
height_max = 64,
height_min = -30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:stone_with_diamond",
wherein = "default:stone",
clust_scarcity = 60 * 60 * 60,
clust_num_ores = 64,
clust_size = 5,
height_max = -5,
height_min = -30000,
})
if minetest.setting_get("mg_name") == "indev" then
-- Floatlands and high mountains springs:
minetest.register_ore({
ore_type = "scatter",
ore = "default:water_source",
ore_param2 = 128,
wherein = "default:stone",
clust_scarcity = 40 *40 *40,
clust_num_ores = 8,
clust_size = 3,
height_min = 100,
height_max = 30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:lava_source",
ore_param2 = 128,
wherein = "default:stone",
clust_scarcity = 50 * 50 * 50,
clust_num_ores = 5,
clust_size = 2,
height_min = 10000,
height_max = 30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:sand",
wherein = "default:stone",
clust_scarcity = 20 * 20 * 20,
clust_num_ores = 5 * 5 * 3,
clust_size = 5,
height_min = 500,
height_max = 30000,
})
end
-- Underground springs:
minetest.register_ore({
ore_type = "scatter",
ore = "default:water_source",
ore_param2 = 128,
wherein = "default:stone",
clust_scarcity = 20 * 20 * 20,
clust_num_ores = 10,
clust_size = 4,
height_min = -10000,
height_max = -10,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:lava_source",
ore_param2 = 128,
wherein = "default:stone",
clust_scarcity = 32 * 32 * 32,
clust_num_ores = 5,
clust_size = 2,
height_min = -30000,
height_max = -100,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:dirt",
wherein = "default:stone",
clust_scarcity = 16 * 16 * 16,
clust_num_ores = 64,
clust_size = 5,
height_max = 64,
height_min = -4096,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:gravel",
wherein = "default:stone",
clust_scarcity = 16 * 16 * 16,
clust_num_ores = 64,
clust_size = 5,
height_max = 64,
height_min = -30000,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:sand",
wherein = "default:stone",
clust_scarcity = 24 * 24 * 24,
clust_num_ores = 32,
clust_size = 4,
height_max = 64,
height_min = -1024,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:clay",
wherein = "default:stone",
clust_scarcity = 32 * 32 * 32,
clust_num_ores = 32,
clust_size = 4,
height_max = 64,
height_min = -1024,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:cobble",
wherein = "default:stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 512,
clust_size = 9,
height_max = 64,
height_min = -4096,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:desert_cobble",
wherein = "default:desert_stone",
clust_scarcity = 40 * 40 * 40,
clust_num_ores = 512,
clust_size = 9,
height_max = 64,
height_min = 0,
})
minetest.register_ore({
ore_type = "scatter",
ore = "default:clay",
wherein = "default:sand",
clust_scarcity = 14 * 14 * 14,
clust_num_ores = 64,
clust_size = 5,
height_max = 4,
height_min = -8,
})
-- Air rooms in dirt:
minetest.register_ore({
ore_type = "scatter",
ore = "air",
wherein = "default:dirt",
clust_scarcity = 24 * 24 * 24,
clust_num_ores = 200,
clust_size = 7,
height_min = -30000,
height_max = 64,
})
-- Acid lakes in gravel:
minetest.register_ore({
ore_type = "scatter",
ore = "default:acid_source",
wherein = "default:gravel",
clust_scarcity = 20 * 20 * 20,
clust_num_ores = 64,
clust_size = 5,
height_min = -30000,
height_max = 64,
})
-- Ice pools in stone:
minetest.register_ore({
ore_type = "scatter",
ore = "default:ice",
wherein = "default:stone",
clust_scarcity = 32 * 32 * 32,
clust_num_ores = 200,
clust_size = 6,
height_min = -30000,
height_max = 64,
})
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
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
-- 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})
-- minetest.log("action", "Generated a nyan cat at " .. minetest.pos_to_string(p) .. ".")
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 generate_nyancats(seed, minp, maxp)
local height_min = -30000
local height_max = 30000
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 / (15 * 15 * 15))
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), 10)
end
end
end
minetest.register_on_generated(function(minp, maxp, seed)
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}, 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}, 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
-- Generate nyan cats
generate_nyancats(seed, minp, maxp)
end)
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