sed.lua

   1 --
   2 -- Sedimentary Layer
   3 --
   4
   5 local sed={
   6  top={
   7   offset = 20, scale = 0,
   8   spread = {x=80, y=80, z=80},
   9   octaves = 0, persist = 0 },
  10  bot={
  11   offset = -16, scale = 10, seed=rocksl.GetNextSeed(),
  12   spread = {x=80, y=80, z=80},
  13   octaves = 2, persist = 0.7 },
  14  primary={ name="rocks:mudstone" },
  15  localized={},
  16  stats={ count=0, total=0, node={}, totalnodes=0 },
  17  debugging=nil
  18 }
  19
  20 -- Mudstone     Sed        soft  Ocean, beach, river, glaciers
  21 minetest.register_node( "rocks:mudstone", {
  22         description = S("Mudstone"),
  23         tiles = { "rocks_Mudstone.png" },
  24         groups = {cracky=1, crumbly=3},
  25         is_ground_content = true, sounds = default.node_sound_dirt_defaults(),
  26 })
  27
  28 -- more rock defs
  29 minetest.register_node( "rocks:limestone", {
  30         description = S("Limestone"),
  31         tiles = { "rocks_Limestone.png" },
  32         is_ground_content = true, sounds = default.node_sound_stone_defaults(),
  33         groups = {cracky=2},
  34 })
  35
  36
  37 local reg=function(name,param)
  38  rocksl.register_stratus(sed,name,param)
  39 end
  40
  41 rocks.register_sedimentary=reg
  42
  43 --               Sedimentary rock hardness and distribution
  44 --    Rock      Hard                      Distribution
  45 --Breccia      Weak   Localized continental, folded
  46 -->Claystone    Weak   Localized continental, folded, oceanic
  47 --Conglomerate Weak   Localized continental, folded
  48 -->Limestone    Medium Localized continental, folded; primary oceanic, hills
  49 -->Coal         -      Large beds, twice as common in swamps
  50  reg("rocks:limestone",    { spread=64, height=32, treshold=0.36 })
  51  --reg("rocks:breccia",  { spread=64, height=32, treshold=0.6 })
  52  --reg("rocks:conglomerate", { spread=64, height=32, treshold=0.6 })
  53  reg("default:stone_with_coal", { spread=48, height=14, treshold=0.40 })
  54  reg("default:clay",{ spread=48, height=14, treshold=0.50 })
  55
  56 minetest.register_on_generated(function(minp, maxp, seed)
  57  rocksl.layergen(sed,minp,maxp,seed)
  58 end)
  59
  60 minetest.register_on_shutdown(function()
  61  if (sed.stats.count==0) then rocksl.print("[rocks](sed) stats not available, no chunks generated") return end
  62  rocksl.print("[rocks](sed) generated total "..sed.stats.count.." chunks in "..sed.stats.total.." seconds ("..(sed.stats.total/sed.stats.count).." seconds per "..sed.stats.side.."^3 chunk)")
  63  for name,total in pairs(sed.stats.node) do
  64   rocksl.print("[rocks](sed) "..name..": "..total.." nodes placed ("..(total*100)/(sed.stats.totalnodes).." %)")
  65  end
  66 end)
  67
  68 -- ~ Tomas Brod