| | |
| | | recipe = "technic:zinc_lump" |
| | | }) |
| | | |
| | | minetest.register_on_generated(function(minp, maxp, seed) |
| | | default.generate_ore("technic:mineral_diamond", "default:stone", minp, maxp, seed+21, 1/11/11/11, 3, 4, -31000, -450 ) |
| | | default.generate_ore("technic:mineral_uranium", "default:stone", minp, maxp, seed+22, 1/10/10/10, 2, 3, -300, -80 ) |
| | | default.generate_ore("technic:mineral_chromium", "default:stone", minp, maxp, seed+23, 1/10/10/10, 3, 2, -31000, -100 ) |
| | | default.generate_ore("technic:mineral_zinc", "default:stone", minp, maxp, seed+24, 1/9/9/9, 3, 4, -31000, 2 ) |
| | | default.generate_ore("technic:marble", "default:stone", minp, maxp, seed+25, 1/128, 5, 20, -100, -32 ) |
| | | default.generate_ore("technic:granite", "default:stone", minp, maxp, seed+25, 1/128, 5, 15, -190, -90 ) |
| | | |
| | | end) |
| | | |
| | | function generate_stratus(name, wherein, ceilin, ceil, minp, maxp, seed, stratus_chance, radius, radius_y, deep, height_min, height_max) |
| | | if maxp.y < height_min or minp.y > height_max then |
| | | return |
| | | end |
| | | -- it will be only generate a stratus for every 100 m of area |
| | | local stratus_per_volume=1 |
| | | local area=45 |
| | | 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)/area)*((y_max-y_min+1)/area)*((maxp.z-minp.z+1)/area) |
| | | local pr = PseudoRandom(seed) |
| | | local blocks = math.floor(stratus_per_volume*volume) |
| | | print(" <<"..dump(name)..">>"); |
| | | if blocks == 0 then |
| | | blocks = 1 |
| | | end |
| | | print(" blocks: "..dump(blocks).." in vol: "..dump(volume).." ("..dump(maxp.x-minp.x+1)..","..dump(y_max-y_min+1)..","..dump(maxp.z-minp.z+1)..")") |
| | | for i=1,blocks do |
| | | local x = pr:next(1,stratus_chance) |
| | | if x == 1 then |
| | | -- TODO deep |
| | | local y0=y_max-radius_y+1 |
| | | if y0 < y_min then |
| | | y0=y_min |
| | | else |
| | | y0=pr:next(y_min, y0) |
| | | end |
| | | local x0 = maxp.x-radius+1 |
| | | if x0 < minp.x then |
| | | x0 = minp.x |
| | | else |
| | | x0 = pr:next(minp.x, x0) |
| | | end |
| | | local z0 = maxp.z-radius+1 |
| | | if z0 < minp.z then |
| | | x0 = minp.z |
| | | else |
| | | z0 = pr:next(minp.z, z0) |
| | | end |
| | | local p0 = {x=x0, y=y0, z=z0} |
| | | local n = minetest.env:get_node(p0).name |
| | | local i = 0 |
| | | --print(" upper node "..n) |
| | | x = 0 |
| | | for k, v in ipairs(ceilin) do |
| | | if n == v then |
| | | x = 1 |
| | | break |
| | | end |
| | | end |
| | | if x == 1 then |
| | | -- search for the node to replace |
| | | --print(" Searching nodes to replace from "..dump(y0-1).." to "..dump(y_min)) |
| | | for y1=y0-1,y_min,-1 do |
| | | p0.y=y1 |
| | | n = minetest.env:get_node(p0).name |
| | | x = 0 |
| | | for k, v in ipairs(wherein) do |
| | | if n == v then |
| | | x = 1 |
| | | break |
| | | end |
| | | end |
| | | if x == 1 then |
| | | y0=y1-deep |
| | | if y0 < y_min then |
| | | y0 = y_min |
| | | end |
| | | break |
| | | end |
| | | end |
| | | local rx=pr:next(radius/2,radius)+1 |
| | | local rz=pr:next(radius/2,radius)+1 |
| | | local ry=pr:next(radius_y/2,radius_y)+1 |
| | | --print(" area of generation ("..dump(rx)..","..dump(rz)..","..dump(ry)..")") |
| | | for x1=0,rx do |
| | | rz = rz + 3 - pr:next(1,6) |
| | | if rz < 1 then |
| | | rz = 1 |
| | | end |
| | | for z1=pr:next(1,3),rz do |
| | | local ry0=ry+ pr:next(1,3) |
| | | for y1=pr:next(1,3),ry0 do |
| | | local x2 = x0+x1 |
| | | local y2 = y0+y1 |
| | | local z2 = z0+z1 |
| | | local p2 = {x=x2, y=y2, z=z2} |
| | | n = minetest.env:get_node(p2).name |
| | | x = 0 |
| | | for k, v in ipairs(wherein) do |
| | | if n == v then |
| | | x = 1 |
| | | break |
| | | end |
| | | end |
| | | if x == 1 then |
| | | if ceil == nil then |
| | | minetest.env:set_node(p2, {name=name}) |
| | | i = i +1 |
| | | else |
| | | local p3 = {p2.x,p2.y+1,p2} |
| | | if minetest.env:get_node(p3).name == ceil then |
| | | minetest.env:set_node(p2, {name=name}) |
| | | i = i +1 |
| | | end |
| | | end |
| | | end |
| | | end |
| | | end |
| | | end |
| | | print(" generated "..dump(i).." blocks in ("..dump(x0)..","..dump(y0)..","..dump(z0)..")") |
| | | end |
| | | |
| | | end |
| | | end |
| | | --print("generate_ore done") |
| | | local function generate_ore(name, wherein, minp, maxp, seed, chunks_per_volume, ore_per_chunk, height_min, height_max) |
| | | 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) |
| | | local num_chunks = math.floor(chunks_per_volume * volume) |
| | | local chunk_size = 3 |
| | | if ore_per_chunk <= 4 then |
| | | chunk_size = 2 |
| | | end |
| | | 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 |
| | | if (y_max-chunk_size+1 <= y_min) then return end |
| | | 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 |
| | | |
| | | minetest.register_on_generated(function(minp, maxp, seed) |
| | | generate_ore("technic:mineral_diamond", "default:stone", minp, maxp, seed+21, 1/11/11/11, 4, -31000, -450) |
| | | generate_ore("technic:mineral_uranium", "default:stone", minp, maxp, seed+22, 1/10/10/10, 3, -300, -80) |
| | | generate_ore("technic:mineral_chromium", "default:stone", minp, maxp, seed+23, 1/10/10/10, 2, -31000, -100) |
| | | generate_ore("technic:mineral_zinc", "default:stone", minp, maxp, seed+24, 1/9/9/9, 4, -31000, 2) |
| | | generate_ore("technic:marble", "default:stone", minp, maxp, seed+25, 1/128, 20, -100, -32) |
| | | generate_ore("technic:granite", "default:stone", minp, maxp, seed+25, 1/128, 15, -190, -90) |
| | | end) |