RealBadAngel
2013-02-02 fdc0562b3abeb76b133537f2908940f04ee720c6
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minetest.register_node( "technic:marble", {
    description = "Marble",
    tiles = { "technic_marble.png" },
    is_ground_content = true,
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
}) 
 
minetest.register_node( "technic:marble_bricks", {
    description = "Marble Bricks",
    tiles = { "technic_marble_bricks.png" },
    is_ground_content = true,
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
}) 
 
minetest.register_craft({
    output = 'technic:marble_bricks 4',
    recipe = {
        {'technic:marble','technic:marble'},
        {'technic:marble','technic:marble'}
    }
})
 
minetest.register_node( "technic:granite", {
    description = "Granite",
    tiles = { "technic_granite.png" },
    is_ground_content = true,
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
}) 
 
minetest.register_node( "technic:obsidian", {
    description = "Obsidian",
    tiles = { "technic_obsidian.png" },
    is_ground_content = true,
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
}) 
 
stairsplus.register_stair_and_slab_and_panel_and_micro(":stairsplus", "marble", "technic:marble",
        {cracky=3},
        {"technic_marble.png"},
        "Marble Stairs",
        "Marble Slab",
        "Marble Panel",
        "Marble Microblock",
        "marble")
stairsplus.register_stair_and_slab_and_panel_and_micro(":stairsplus", "marble_bricks", "technic:marble_bricks",
        {cracky=3},
        {"technic_marble_bricks.png"},
        "Marble Bricks Stairs",
        "Marble Bricks Slab",
        "Marble Bricks Panel",
        "Marble Bricks Microblock",
        "marble_bricks")
stairsplus.register_stair_and_slab_and_panel_and_micro(":stairsplus", "granite", "technic:granite",
        {cracky=3},
        {"technic_granite.png"},
        "Granite Stairs",
        "Granite Slab",
        "Granite Panel",
        "Granite Microblock",
        "granite")
stairsplus.register_stair_and_slab_and_panel_and_micro(":stairsplus", "obsidian", "technic:obsidian",
        {cracky=3},
        {"technic_obsidian.png"},
        "Obsidian Stairs",
        "Obsidian Slab",
        "Obsidian Panel",
        "Obsidian Microblock",
        "obsidian")
 
minetest.register_node( "technic:mineral_diamond", {
    description = "Diamond Ore",
    tiles = { "default_stone.png^technic_mineral_diamond.png" },
    is_ground_content = true,
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
    drop = 'craft "technic:diamond" 1',
}) 
 
minetest.register_craftitem( "technic:diamond", {
    description = "Diamond",
    inventory_image = "technic_diamond.png",
    on_place_on_ground = minetest.craftitem_place_item,
})
 
minetest.register_node( "technic:mineral_uranium", {
    description = "Uranium Ore",
    tiles = { "default_stone.png^technic_mineral_uranium.png" },
    is_ground_content = true,
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
    drop = 'craft "technic:uranium" 1',
}) 
 
minetest.register_craftitem( "technic:uranium", {
    description = "Uranium",
    inventory_image = "technic_uranium.png",
    on_place_on_ground = minetest.craftitem_place_item,
})
 
minetest.register_node( "technic:mineral_chromium", {
    description = "Chromium Ore",
    tiles = { "default_stone.png^technic_mineral_chromium.png" },
    is_ground_content = true,
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
    drop = 'craft "technic:chromium_lump" 1',
}) 
 
minetest.register_craftitem( "technic:chromium_lump", {
    description = "Chromium Lump",
    inventory_image = "technic_chromium_lump.png",
    on_place_on_ground = minetest.craftitem_place_item,
})
 
minetest.register_craftitem( "technic:chromium_ingot", {
    description = "Chromium Ingot",
    inventory_image = "technic_chromium_ingot.png",
    on_place_on_ground = minetest.craftitem_place_item,
})
 
minetest.register_craft({
                type = 'cooking',
                output = "technic:chromium_ingot",
                recipe = "technic:chromium_lump"
            })
 
 
minetest.register_node( "technic:mineral_zinc", {
    description = "Zinc Ore",
    tile_images = { "default_stone.png^technic_mineral_zinc.png" },
    is_ground_content = true,
    groups = {cracky=3},
    sounds = default.node_sound_stone_defaults(),
    drop = 'craft "technic:zinc_lump" 1',
})
 
minetest.register_craftitem( "technic:zinc_lump", {
    description = "Zinc Lump",
    inventory_image = "technic_zinc_lump.png",
})
 
minetest.register_craftitem( "technic:zinc_ingot", {
    description = "Zinc Ingot",
    inventory_image = "technic_zinc_ingot.png",
})
 
minetest.register_craftitem( "technic:stainless_steel_ingot", {
    description = "Stainless Steel Ingot",
    inventory_image = "technic_stainless_steel_ingot.png",
})
 
minetest.register_craftitem( "technic:brass_ingot", {
    description = "Brass Ingot",
    inventory_image = "technic_brass_ingot.png",
})
 
minetest.register_craft({
                type = 'cooking',
                output = "technic:zinc_ingot",
                recipe = "technic:zinc_lump"
            })
 
 
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)
generate_stratus("technic:obsidian",
                {"default:stone"},
                {"default:lava_source"},{"default:air"},
                  minp, maxp, seed+4, 10, 25, 7, -450, -31000, -450)
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")
end