diff options
| -rw-r--r-- | technic/ores.lua | 174 |
1 files changed, 49 insertions, 125 deletions
diff --git a/technic/ores.lua b/technic/ores.lua index 5ba3e3f..9baac9e 100644 --- a/technic/ores.lua +++ b/technic/ores.lua @@ -248,130 +248,54 @@ minetest.register_craft({ 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) |