ign.lua

   1 --
   2 -- Igneous Layer
   3 --
   4
   5 -- Basalt       Ex/Mafic   hard  same as diorite, byt limit=0.5
   6 minetest.register_node( "rocks:basalt", {
   7         description = S("Basalt"),
   8         tiles = { "rocks_Basalt.png" },
   9         groups = {cracky=3, stone=1},
  10         is_ground_content = true, sounds = default.node_sound_stone_defaults(),
  11 })
  12 minetest.register_alias("mapgen_stone", "rocks:basalt")
  13
  14 -- ^ does not work. Seems we can not overwrite an alias.
  15 -- If the alias in default/mapgen.lua is deleted, this works.
  16
  17 -- more rock defs
  18 minetest.register_node( "rocks:granite", {
  19         description = S("Granite"),
  20         tiles = { "rocks_Granite.png" },
  21         is_ground_content = true, sounds = default.node_sound_stone_defaults(),
  22         groups = {cracky=3, stone=1},
  23 })
  24 minetest.register_node( "rocks:diorite", {
  25         description = S("Diorite"),
  26         tiles = { "rocks_Diorite.png" },
  27         groups = {cracky=3, stone=1},
  28         is_ground_content = true, sounds = default.node_sound_stone_defaults(),
  29 })
  30 minetest.register_node( "rocks:gabbro", {
  31         description = S("Gabbro"),
  32         tiles = { "rocks_Gabbro.png" },
  33         groups = {cracky=3, stone=1},
  34         is_ground_content = true, sounds = default.node_sound_stone_defaults(),
  35 })
  36
  37 local reg=function(name,param)
  38  minetest.register_ore({
  39    ore    = name,
  40    wherein= { "mapgen_stone" },
  41    ore_type       = "scatter",
  42    clust_scarcity = 10^3,
  43    clust_num_ores = 20^3,
  44    clust_size     = 20,
  45    height_min     = -31000,
  46    height_max     = -5,
  47    noise_treshhold=param.treshold,
  48    noise_params={
  49           offset = 0, scale = 1, octaves = 3, persist = 0.5,
  50           spread = {x=param.spread, y=param.height, z=param.spread},
  51           seed=rocksl.GetNextSeed(),
  52         },
  53         })
  54 end
  55 rocks.register_igneous_stratus=reg
  56
  57 -- rock registration
  58  reg("rocks:granite", { spread=40, height=32, treshold=0.06})
  59  reg("rocks:diorite", { spread=40, height=32, treshold=0.23})
  60  reg("rocks:gabbro",  { spread=40, height=32, treshold=0.36})
  61
  62 -- vein stuff
  63
  64 local regv=function(name,param)
  65  minetest.log("error","stub called, rocks.register_vein")
  66  minetest.register_ore({
  67    ore    = name,
  68    wherein= param.wherein,
  69    ore_type       = "blob",
  70    clust_scarcity = param.rarity^3,
  71    clust_num_ores = 8,
  72    clust_size     = 10*2,
  73    height_min     = -31000,
  74    height_max     = 50,
  75    noise_threshhold = 0.5, --< determined experimentally
  76    noise_params={
  77           offset = 1-param.radius.amplitude, scale = param.radius.amplitude, octaves = 3, persist = 0.5,
  78           spread = {x=param.radius.frequency, y=param.radius.frequency, z=param.radius.frequency},
  79           seed=rocksl.GetNextSeed(),
  80         },
  81   })
  82 end
  83
  84 rocks.register_vein=regv
  85
  86 rocks.register_vein("default:nyancat",{
  87   wherein={"rocks:granite", "air"},
  88   miny=-160, maxy=20,
  89   radius={ average=10, amplitude=0.1, frequency=8 },
  90   density=100,
  91   rarity=70, -- this^3*mapblock_volume veins per mapblock
  92   ores={
  93     { ore="default:sand", percent=30 },
  94     { ore="default:dirt", percent=30 },
  95   }
  96   })
  97
  98
  99 -- ~ Tomas Brod