mods/rp_default/mapgen.lua

   1
   2 --
   3 -- Mapgen
   4 --
   5
   6 -- Uncomment this to cut a big portion of ground out for visualizing ore spawning
   7
   8 --[[
   9 local function on_generated(minp, maxp, blockseed)
  10    for x = minp.x, maxp.x do
  11       if x > 0 then
  12          return
  13       end
  14
  15       for z = minp.z, maxp.z do
  16          if z > -16 and z < 16 then
  17             for y = minp.y, maxp.y do
  18                minetest.remove_node({x = x, y = y, z = z})
  19             end
  20          end
  21       end
  22    end
  23 end
  24
  25 minetest.register_on_generated(on_generated)
  26 --]]
  27
  28 -- Aliases for map generator outputs
  29
  30 minetest.register_alias("mapgen_stone", "rp_default:stone")
  31 minetest.register_alias("mapgen_desert_stone", "rp_default:sandstone")
  32 minetest.register_alias("mapgen_desert_sand", "rp_default:sand")
  33 minetest.register_alias("mapgen_sandstone", "rp_default:sandstone")
  34 minetest.register_alias("mapgen_sandstonebrick", "rp_default:compressed_sandstone")
  35 minetest.register_alias("mapgen_cobble", "rp_default:cobble")
  36 minetest.register_alias("mapgen_gravel", "rp_default:gravel")
  37 minetest.register_alias("mapgen_mossycobble", "rp_default:cobble")
  38 minetest.register_alias("mapgen_dirt", "rp_default:dirt")
  39 minetest.register_alias("mapgen_dirt_with_grass", "rp_default:dirt_with_grass")
  40 minetest.register_alias("mapgen_sand", "rp_default:sand")
  41 minetest.register_alias("mapgen_snow", "air")
  42 minetest.register_alias("mapgen_snowblock", "rp_default:dirt_with_grass")
  43 minetest.register_alias("mapgen_dirt_with_snow", "rp_default:dirt_with_grass")
  44 minetest.register_alias("mapgen_ice", "rp_default:water_source")
  45 minetest.register_alias("mapgen_tree", "rp_default:tree")
  46 minetest.register_alias("mapgen_leaves", "rp_default:leaves")
  47 minetest.register_alias("mapgen_apple", "rp_default:apple")
  48 minetest.register_alias("mapgen_jungletree", "rp_default:tree_birch")
  49 minetest.register_alias("mapgen_jungleleaves", "rp_default:leaves_birch")
  50 minetest.register_alias("mapgen_junglegrass", "rp_default:tall_grass")
  51 minetest.register_alias("mapgen_pine_tree", "rp_default:tree_oak")
  52 minetest.register_alias("mapgen_pine_needles", "rp_default:leaves_oak")
  53
  54 minetest.register_alias("mapgen_water_source", "rp_default:water_source")
  55 minetest.register_alias("mapgen_river_water_source", "rp_default:river_water_source")
  56
  57 minetest.register_alias("mapgen_lava_source", "rp_default:water_source")
  58
  59 --[[ BIOMES ]]
  60
  61 minetest.clear_registered_biomes()
  62
  63 local mg_name = minetest.get_mapgen_setting("mg_name")
  64
  65 local UNDERGROUND_Y_MAX = -200
  66 local ORCHARD_Y_MIN = 20
  67 local SWAMP_Y_MAX = 7
  68
  69 local register_ocean_and_beach = function(biomename, node_ocean, beach_depth, node_beach)
  70         local orig_biome = minetest.registered_biomes[biomename]
  71         if not orig_biome then
  72                 return
  73         end
  74         local newdef = table.copy(orig_biome)
  75         newdef.name = biomename .. " Ocean"
  76         newdef.node_top = node_ocean or "rp_default:sand"
  77         newdef.node_filler = newdef.node_top
  78         newdef.y_min = UNDERGROUND_Y_MAX + 1
  79
  80         if beach_depth and beach_depth > 0 then
  81                 newdef.y_max = orig_biome.y_min - beach_depth - 1
  82         else
  83                 newdef.y_max = orig_biome.y_min - 1
  84         end
  85         minetest.register_biome(newdef)
  86
  87         if beach_depth and beach_depth > 0 then
  88
  89                 local newdef2 = table.copy(orig_biome)
  90                 newdef2.name = biomename .. " Beach"
  91                 newdef2.node_top = node_beach or "rp_default:sand"
  92                 newdef2.node_filler = newdef2.node_top
  93                 newdef2.y_min = orig_biome.y_min - beach_depth
  94                 newdef2.y_max = orig_biome.y_min - 1
  95                 minetest.register_biome(newdef2)
  96         end
  97 end
  98
  99 if mg_name ~= "v6" then
 100
 101 minetest.register_biome(
 102 {
 103       name = "Marsh",
 104
 105       node_top = "rp_default:dirt_with_grass",
 106       node_filler = "rp_default:dirt",
 107       node_cave_liquid = "rp_default:swamp_water_source",
 108       node_riverbed = "rp_default:dirt",
 109
 110       depth_filler = 0,
 111       depth_top = 1,
 112       depth_riverbed = 1,
 113
 114       y_min = 2,
 115       y_max = SWAMP_Y_MAX,
 116
 117       heat_point = 91,
 118       humidity_point = 96,
 119 })
 120 register_ocean_and_beach("Marsh", "rp_default:dirt", 2, "rp_default:sand")
 121 default.set_biome_info("Marsh", "grassy")
 122
 123 -- This special biome has the giant birch trees and is
 124 -- limited to a very specific height.
 125 -- It has no equivalent biome above or below.
 126 minetest.register_biome(
 127    {
 128       name = "Deep Forest",
 129
 130       node_top = "rp_default:dirt_with_grass",
 131       node_filler = "rp_default:dirt",
 132       node_riverbed = "rp_default:sand",
 133
 134       depth_filler = 6,
 135       depth_top = 1,
 136       depth_riverbed = 3,
 137
 138       y_min = 30,
 139       y_max = 40,
 140
 141       heat_point = 49,
 142       humidity_point = 33,
 143 })
 144 default.set_biome_info("Deep Forest", "grassy")
 145
 146 minetest.register_biome(
 147    {
 148       name = "Forest",
 149
 150       node_top = "rp_default:dirt_with_grass",
 151       node_filler = "rp_default:dirt",
 152       node_riverbed = "rp_default:sand",
 153
 154       depth_filler = 6,
 155       depth_top = 1,
 156       depth_riverbed = 2,
 157
 158       y_min = 2,
 159       y_max = 200,
 160
 161       heat_point = 48,
 162       humidity_point = 34,
 163 })
 164 register_ocean_and_beach("Forest", "rp_default:sand")
 165 default.set_biome_info("Forest", "grassy")
 166
 167 minetest.register_biome(
 168    {
 169       name = "Grove",
 170
 171       node_top = "rp_default:dirt_with_grass",
 172       node_filler = "rp_default:dirt",
 173       node_riverbed = "rp_default:sand",
 174
 175       depth_filler = 4,
 176       depth_top = 1,
 177       depth_riverbed = 4,
 178
 179       y_min = 3,
 180       y_max = 32000,
 181
 182       heat_point = 45,
 183       humidity_point = 19,
 184 })
 185 register_ocean_and_beach("Grove", "rp_default:sand")
 186 default.set_biome_info("Grove", "grassy")
 187
 188 minetest.register_biome(
 189    {
 190       name = "Wilderness",
 191
 192       node_top = "rp_default:dirt_with_grass",
 193       node_filler = "rp_default:dirt",
 194       node_riverbed = "rp_default:sand",
 195
 196       depth_filler = 6,
 197       depth_top = 1,
 198       depth_riverbed = 2,
 199
 200       y_min = 3,
 201       y_max = 32000,
 202
 203       heat_point = 76,
 204       humidity_point = 30,
 205 })
 206 register_ocean_and_beach("Wilderness", "rp_default:sand")
 207 default.set_biome_info("Wilderness", "grassy")
 208
 209 -- Note: Grassland is below Orchard
 210 minetest.register_biome(
 211    {
 212       name = "Grassland",
 213
 214       node_top = "rp_default:dirt_with_grass",
 215       node_filler = "rp_default:dirt",
 216       node_riverbed = "rp_default:sand",
 217
 218       depth_filler = 4,
 219       depth_top = 1,
 220       depth_riverbed = 2,
 221
 222       y_min = 3,
 223       y_max = ORCHARD_Y_MIN - 1,
 224
 225       heat_point = 71,
 226       humidity_point = 52,
 227 })
 228 register_ocean_and_beach("Grassland", "rp_default:sand")
 229 default.set_biome_info("Grassland", "grassy")
 230
 231 -- Note: Orchard is the 'highland' version of Grassland
 232 minetest.register_biome(
 233    {
 234       name = "Orchard",
 235
 236       node_top = "rp_default:dirt_with_grass",
 237       node_filler = "rp_default:dirt",
 238       node_riverbed = "rp_default:sand",
 239
 240       depth_filler = 4,
 241       depth_top = 1,
 242       depth_riverbed = 2,
 243
 244       y_min = ORCHARD_Y_MIN,
 245       y_max = 32000,
 246
 247       heat_point = 71,
 248       humidity_point = 52,
 249 })
 250 default.set_biome_info("Orchard", "grassy")
 251
 252 -- Note: Shrubbery is below Chaparral
 253 minetest.register_biome(
 254    {
 255       name = "Shrubbery",
 256
 257       node_top = "rp_default:dirt_with_grass",
 258       node_filler = "rp_default:dirt",
 259       node_riverbed = "rp_default:sand",
 260
 261       depth_filler = 3,
 262       depth_top = 1,
 263       depth_riverbed = 2,
 264
 265       y_min = 2,
 266       y_max = 55,
 267
 268       heat_point = 107,
 269       humidity_point = 45,
 270 })
 271 register_ocean_and_beach("Shrubbery", "rp_default:sand")
 272 default.set_biome_info("Shrubbery", "grassy")
 273
 274 -- Note: High biome. This is the highland version of Shrubbery
 275 minetest.register_biome(
 276    {
 277       name = "Chaparral",
 278
 279       node_top = "rp_default:dirt_with_dry_grass",
 280       node_filler = "rp_default:dry_dirt",
 281       node_riverbed = "rp_default:sand",
 282
 283       depth_filler = 0,
 284       depth_top = 1,
 285       depth_riverbed = 4,
 286
 287       y_min = 56,
 288       y_max = 32000,
 289
 290       heat_point = 107,
 291       humidity_point = 45,
 292 })
 293 default.set_biome_info("Chaparral", "savannic")
 294
 295 minetest.register_biome(
 296    {
 297       name = "Savanna",
 298
 299       node_top = "rp_default:dirt_with_dry_grass",
 300       node_filler = "rp_default:dry_dirt",
 301       node_riverbed = "rp_default:gravel",
 302
 303       depth_filler = 2,
 304       depth_top = 1,
 305       depth_riverbed = 3,
 306
 307       y_min = 2,
 308       y_max = 55,
 309
 310       heat_point = 101,
 311       humidity_point = 25,
 312 })
 313 register_ocean_and_beach("Savanna", "rp_default:sand")
 314 default.set_biome_info("Savanna", "savannic")
 315
 316 minetest.register_biome(
 317    {
 318       name = "Desert",
 319
 320       node_top = "rp_default:sand",
 321       node_filler = "rp_default:sandstone",
 322       node_riverbed = "rp_default:sand",
 323       node_dungeon = "rp_default:sandstone",
 324
 325       depth_filler = 8,
 326       depth_top = 3,
 327       depth_riverbed = 6,
 328
 329       y_min = 1,
 330       y_max = 32000,
 331
 332       heat_point = 112,
 333       humidity_point = 32,
 334 })
 335 register_ocean_and_beach("Desert", "rp_default:sand")
 336 default.set_biome_info("Desert", "desertic")
 337
 338 minetest.register_biome(
 339    {
 340       name = "Wasteland",
 341
 342       node_top = "rp_default:dry_dirt",
 343       node_filler = "rp_default:sandstone",
 344       node_riverbed = "rp_default:sandstone",
 345
 346       depth_filler = 3,
 347       depth_top = 1,
 348       depth_riverbed = 2,
 349
 350       y_min = 2,
 351       y_max = 32000,
 352
 353       heat_point = 95,
 354       humidity_point = 0,
 355 })
 356 register_ocean_and_beach("Wasteland", "rp_default:dry_dirt", 5, "rp_default:gravel")
 357 default.set_biome_info("Wasteland", "drylandic")
 358
 359 minetest.register_biome(
 360    {
 361       name = "Rocky Dryland",
 362
 363       node_top = "rp_default:dry_dirt",
 364       node_filler = "rp_default:dry_dirt",
 365       node_riverbed = "rp_default:gravel",
 366
 367       depth_filler = 0,
 368       depth_top = 1,
 369       depth_riverbed = 4,
 370
 371       y_min = 3,
 372       y_max = 32000,
 373
 374       heat_point = 79,
 375       humidity_point = 1,
 376 })
 377 register_ocean_and_beach("Rocky Dryland", "rp_default:gravel")
 378 default.set_biome_info("Rocky Dryland", "drylandic")
 379
 380 minetest.register_biome(
 381    {
 382       name = "Wooded Dryland",
 383
 384       node_top = "rp_default:dry_dirt",
 385       node_filler = "rp_default:dry_dirt",
 386       node_riverbed = "rp_default:gravel",
 387
 388       depth_filler = 4,
 389       depth_top = 1,
 390       depth_riverbed = 2,
 391
 392       y_min = 1,
 393       y_max = 32000,
 394
 395       heat_point = 78,
 396       humidity_point = 9,
 397 })
 398 register_ocean_and_beach("Wooded Dryland", "rp_default:dry_dirt")
 399 default.set_biome_info("Wooded Dryland", "drylandic")
 400
 401 minetest.register_biome(
 402    {
 403       name = "Savannic Wasteland",
 404
 405       node_top = "rp_default:dry_dirt",
 406       node_filler = "rp_default:sandstone",
 407       node_riverbed = "rp_default:gravel",
 408
 409       depth_filler = 2,
 410       depth_top = 1,
 411       depth_riverbed = 2,
 412
 413       y_min = 2,
 414       y_max = 32000,
 415
 416       heat_point = 94,
 417       humidity_point = 14,
 418 })
 419 register_ocean_and_beach("Savannic Wasteland", "rp_default:sand")
 420 default.set_biome_info("Savannic Wasteland", "savannic")
 421
 422 minetest.register_biome(
 423    {
 424       name = "Thorny Shrubs",
 425
 426       node_top = "rp_default:dirt_with_grass",
 427       node_filler = "rp_default:dirt",
 428       node_riverbed = "rp_default:gravel",
 429
 430       depth_filler = 4,
 431       depth_top = 1,
 432       depth_riverbed = 2,
 433
 434       y_min = 2,
 435       y_max = 200,
 436
 437       heat_point = 76,
 438       humidity_point = 15,
 439 })
 440 register_ocean_and_beach("Thorny Shrubs", "rp_default:sand")
 441 default.set_biome_info("Thorny Shrubs", "grassy")
 442
 443 minetest.register_biome(
 444    {
 445       name = "Mystery Forest",
 446
 447       node_top = "rp_default:dirt_with_grass",
 448       node_filler = "rp_default:dirt",
 449       node_riverbed = "rp_default:gravel",
 450
 451       depth_filler = 4,
 452       depth_top = 1,
 453       depth_riverbed = 2,
 454
 455       y_min = 1,
 456       y_max = 200,
 457
 458       heat_point = 18,
 459       humidity_point = 2,
 460 })
 461 register_ocean_and_beach("Mystery Forest", "rp_default:dirt")
 462 default.set_biome_info("Mystery Forest", "grassy")
 463
 464 minetest.register_biome(
 465    {
 466       name = "Poplar Plains",
 467
 468       node_top = "rp_default:dirt_with_grass",
 469       node_filler = "rp_default:dirt",
 470       node_riverbed = "rp_default:sand",
 471
 472       depth_filler = 4,
 473       depth_top = 1,
 474       depth_riverbed = 2,
 475
 476       y_min = 1,
 477       y_max = 32000,
 478
 479       heat_point = 47,
 480       humidity_point = 0,
 481 })
 482 register_ocean_and_beach("Poplar Plains", "rp_default:dirt")
 483 default.set_biome_info("Poplar Plains", "grassy")
 484
 485 minetest.register_biome(
 486    {
 487       name = "Baby Poplar Plains",
 488
 489       node_top = "rp_default:dirt_with_grass",
 490       node_filler = "rp_default:dirt",
 491       node_riverbed = "rp_default:sand",
 492
 493       depth_filler = 4,
 494       depth_top = 1,
 495       depth_riverbed = 2,
 496
 497       y_min = 2,
 498       y_max = 32000,
 499
 500       heat_point = 58,
 501       humidity_point = 9,
 502 })
 503 register_ocean_and_beach("Baby Poplar Plains", "rp_default:sand")
 504 default.set_biome_info("Baby Poplar Plains", "grassy")
 505
 506 minetest.register_biome(
 507    {
 508       name = "Tall Birch Forest",
 509
 510       node_top = "rp_default:dirt_with_grass",
 511       node_filler = "rp_default:dirt",
 512       node_riverbed = "rp_default:sand",
 513
 514       depth_filler = 3,
 515       depth_top = 1,
 516       depth_riverbed = 2,
 517
 518       y_min = 2,
 519       y_max = 32000,
 520
 521       heat_point = 6,
 522       humidity_point = 14,
 523 })
 524 register_ocean_and_beach("Tall Birch Forest", "rp_default:sand")
 525 default.set_biome_info("Tall Birch Forest", "grassy")
 526
 527 minetest.register_biome(
 528    {
 529       name = "Birch Forest",
 530
 531       node_top = "rp_default:dirt_with_grass",
 532       node_filler = "rp_default:dirt",
 533       node_riverbed = "rp_default:sand",
 534
 535       depth_filler = 3,
 536       depth_top = 1,
 537       depth_riverbed = 2,
 538
 539       y_min = 2,
 540       y_max = 32000,
 541
 542       heat_point = 18,
 543       humidity_point = 15,
 544 })
 545 register_ocean_and_beach("Birch Forest", "rp_default:sand")
 546 default.set_biome_info("Birch Forest", "grassy")
 547
 548 minetest.register_biome(
 549    {
 550       name = "Oak Shrubbery",
 551
 552       node_top = "rp_default:dirt_with_grass",
 553       node_filler = "rp_default:dirt",
 554       node_riverbed = "rp_default:gravel",
 555
 556       depth_filler = 3,
 557       depth_top = 1,
 558       depth_riverbed = 1,
 559
 560       y_min = 1,
 561       y_max = 32000,
 562
 563       heat_point = 37,
 564       humidity_point = 55,
 565 })
 566 register_ocean_and_beach("Oak Shrubbery", "rp_default:dirt")
 567 default.set_biome_info("Oak Shrubbery", "grassy")
 568
 569 minetest.register_biome(
 570    {
 571       name = "Oak Forest",
 572
 573       node_top = "rp_default:dirt_with_grass",
 574       node_filler = "rp_default:dirt",
 575       node_riverbed = "rp_default:gravel",
 576
 577       depth_filler = 5,
 578       depth_top = 1,
 579       depth_riverbed = 1,
 580
 581       y_min = 1,
 582       y_max = 32000,
 583
 584       heat_point = 22,
 585       humidity_point = 52,
 586 })
 587 register_ocean_and_beach("Oak Forest", "rp_default:sand")
 588 default.set_biome_info("Oak Forest", "grassy")
 589
 590 minetest.register_biome(
 591    {
 592       name = "Tall Oak Forest",
 593
 594       node_top = "rp_default:dirt_with_grass",
 595       node_filler = "rp_default:dirt",
 596       node_riverbed = "rp_default:gravel",
 597
 598       depth_filler = 6,
 599       depth_top = 1,
 600       depth_riverbed = 2,
 601
 602       y_min = 1,
 603       y_max = 32000,
 604
 605       heat_point = 10,
 606       humidity_point = 43,
 607 })
 608 register_ocean_and_beach("Tall Oak Forest", "rp_default:sand")
 609 default.set_biome_info("Tall Oak Forest", "grassy")
 610
 611 minetest.register_biome(
 612    {
 613       name = "Dense Oak Forest",
 614
 615       node_top = "rp_default:dirt_with_grass",
 616       node_filler = "rp_default:dirt",
 617       node_riverbed = "rp_default:gravel",
 618
 619       depth_filler = 7,
 620       depth_top = 1,
 621       depth_riverbed = 3,
 622
 623       y_min = 1,
 624       y_max = 32000,
 625
 626       heat_point = 0,
 627       humidity_point = 43,
 628 })
 629 register_ocean_and_beach("Dense Oak Forest", "rp_default:sand")
 630 default.set_biome_info("Dense Oak Forest", "grassy")
 631
 632 -- Equivalent to Pixture's original 'Swamp' biome
 633 minetest.register_biome(
 634    {
 635       name = "Swamp Meadow",
 636
 637       node_top = "rp_default:dirt_with_swamp_grass",
 638       node_filler = "rp_default:swamp_dirt",
 639       node_cave_liquid = "rp_default:swamp_water_source",
 640       node_riverbed = "rp_default:swamp_dirt",
 641
 642       depth_filler = 7,
 643       depth_top = 1,
 644       depth_riverbed = 4,
 645
 646       y_min = 1,
 647       y_max = SWAMP_Y_MAX,
 648
 649       heat_point = 62,
 650       humidity_point = 93,
 651 })
 652 register_ocean_and_beach("Swamp Meadow", "rp_default:dirt", 5, "rp_default:swamp_dirt")
 653 default.set_biome_info("Swamp Meadow", "swampy")
 654
 655 minetest.register_biome(
 656    {
 657       name = "Mixed Swamp",
 658
 659       node_top = "rp_default:dirt_with_swamp_grass",
 660       node_filler = "rp_default:swamp_dirt",
 661       node_cave_liquid = "rp_default:swamp_water_source",
 662       node_riverbed = "rp_default:swamp_dirt",
 663
 664       depth_filler = 7,
 665       depth_top = 1,
 666       depth_riverbed = 3,
 667
 668       y_min = 1,
 669       y_max = SWAMP_Y_MAX,
 670
 671       heat_point = 36,
 672       humidity_point = 87,
 673 })
 674 register_ocean_and_beach("Mixed Swamp", "rp_default:dirt", 5, "rp_default:swamp_dirt")
 675 default.set_biome_info("Mixed Swamp", "swamp")
 676
 677 minetest.register_biome(
 678    {
 679       name = "Swamp Forest",
 680
 681       node_top = "rp_default:dirt_with_swamp_grass",
 682       node_filler = "rp_default:swamp_dirt",
 683       node_cave_liquid = "rp_default:swamp_water_source",
 684       node_riverbed = "rp_default:swamp_dirt",
 685
 686       depth_filler = 5,
 687       depth_top = 1,
 688       depth_riverbed = 4,
 689
 690       y_min = 1,
 691       y_max = SWAMP_Y_MAX,
 692
 693       heat_point = 12,
 694       humidity_point = 83,
 695 })
 696 register_ocean_and_beach("Swamp Forest", "rp_default:dirt", 5, "rp_default:swamp_dirt")
 697 default.set_biome_info("Swamp Forest", "swampy")
 698
 699 minetest.register_biome(
 700    {
 701       name = "Dry Swamp",
 702
 703       node_top = "rp_default:dirt_with_swamp_grass",
 704       node_filler = "rp_default:swamp_dirt",
 705       node_riverbed = "rp_default:swamp_dirt",
 706
 707       depth_filler = 6,
 708       depth_top = 1,
 709       depth_riverbed = 2,
 710
 711       y_min = 1,
 712       y_max = SWAMP_Y_MAX,
 713
 714       heat_point = 0,
 715       humidity_point = 67,
 716 })
 717 register_ocean_and_beach("Dry Swamp", "rp_default:dirt", 5, "rp_default:dirt") -- force creation of beach sub-biome
 718 default.set_biome_info("Dry Swamp", "swampy")
 719
 720 minetest.register_biome(
 721    {
 722       name = "Papyrus Swamp",
 723
 724       node_top = "rp_default:dirt_with_swamp_grass",
 725       node_filler = "rp_default:swamp_dirt",
 726       node_cave_liquid = "rp_default:swamp_water_source",
 727       node_riverbed = "rp_default:swamp_dirt",
 728
 729       depth_filler = 4,
 730       depth_top = 1,
 731       depth_riverbed = 3,
 732
 733       y_min = 2,
 734       y_max = SWAMP_Y_MAX,
 735
 736       heat_point = 49,
 737       humidity_point = 89,
 738 })
 739 register_ocean_and_beach("Papyrus Swamp", "rp_default:swamp_dirt", 2, "rp_default:sand")
 740 default.set_biome_info("Papyrus Swamp", "swampy")
 741
 742 -- Special Underground biome
 743 minetest.register_biome(
 744    {
 745       name = "Underground",
 746
 747       y_min = -31000,
 748       y_max = UNDERGROUND_Y_MAX,
 749
 750       heat_point = 50,
 751       humidity_point = 50,
 752 })
 753 default.set_biome_info("Underground", "undergroundy")
 754
 755 end
 756
 757 local function spring_ore_np(seed)
 758         return {
 759                 offset  = 0,
 760                 scale   = 1,
 761                 spread  = {x=250, y=250, z=250},
 762                 seed    = seed or 12345,
 763                 octaves = 3,
 764                 persist = 0.6,
 765                 lacunarity = 2,
 766                 flags = "defaults",
 767         }
 768 end
 769
 770 -- Water
 771
 772 minetest.register_ore( -- Springs
 773    {
 774       ore_type       = "blob",
 775       ore            = "rp_default:water_source",
 776       wherein        = "rp_default:dirt_with_grass",
 777       biomes         = {"Grassland"},
 778       clust_scarcity = 26*26*26,
 779       clust_num_ores = 1,
 780       clust_size     = 1,
 781       y_min          = 20,
 782       y_max          = 31000,
 783       noise_params   = spring_ore_np(),
 784 })
 785
 786 minetest.register_ore( -- Pools
 787    {
 788       ore_type       = "blob",
 789       ore            = "rp_default:water_source",
 790       wherein        = "rp_default:dirt_with_grass",
 791       biomes         = {"Wilderness"},
 792       clust_scarcity = 32*32*32,
 793       clust_num_ores = 20,
 794       clust_size     = 6,
 795       y_min          = 10,
 796       y_max          = 30,
 797       noise_params   = spring_ore_np(),
 798 })
 799 if mg_name ~= "v6" then
 800 minetest.register_ore( -- Swamp (big springs)
 801    {
 802       ore_type       = "blob",
 803       ore            = "rp_default:swamp_water_source",
 804       wherein        = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt"},
 805       biomes         = {"Mixed Swamp", "Papyrus Swamp", "Swamp Forest", "Swamp Meadow"},
 806       clust_scarcity = 7*7*7,
 807       clust_num_ores = 10,
 808       clust_size     = 4,
 809       y_min          = -31000,
 810       y_max          = 31000,
 811       noise_params   = spring_ore_np(13943),
 812 })
 813 minetest.register_ore( -- Swamp (medium springs)
 814    {
 815       ore_type       = "blob",
 816       ore            = "rp_default:swamp_water_source",
 817       wherein        = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt"},
 818       biomes         = {"Mixed Swamp", "Papyrus Swamp", "Swamp Forest", "Swamp Meadow"},
 819       clust_scarcity = 5*5*5,
 820       clust_num_ores = 8,
 821       clust_size     = 2,
 822       y_min          = -31000,
 823       y_max          = 31000,
 824       noise_params   = spring_ore_np(49494),
 825 })
 826
 827 minetest.register_ore( -- Swamp (small springs)
 828    {
 829       ore_type       = "blob",
 830       ore            = "rp_default:swamp_water_source",
 831       wherein        = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt"},
 832       biomes         = {"Mixed Swamp", "Papyrus Swamp", "Swamp Forest", "Swamp Meadow"},
 833       clust_scarcity = 6*6*6,
 834       clust_num_ores = 1,
 835       clust_size     = 1,
 836       y_min          = -31000,
 837       y_max          = 31000,
 838       noise_params   = spring_ore_np(59330),
 839 })
 840
 841 minetest.register_ore( -- Marsh
 842    {
 843       ore_type       = "blob",
 844       ore            = "rp_default:swamp_water_source",
 845       wherein        = {"rp_default:dirt_with_grass", "rp_default:dirt"},
 846       biomes         = {"Marsh"},
 847       clust_scarcity = 8*8*8,
 848       clust_num_ores = 10,
 849       clust_size     = 6,
 850       y_min          = -31000,
 851       y_max          = 31000,
 852       noise_params   = spring_ore_np(),
 853 })
 854
 855 minetest.register_ore(
 856    {
 857       ore_type       = "blob",
 858       ore            = "rp_default:gravel",
 859       wherein        = "rp_default:dry_dirt",
 860       biomes = {"Rocky Dryland"},
 861       clust_scarcity = 8*8*8,
 862       clust_size     = 8,
 863       y_min          = -31000,
 864       y_max          = 31000,
 865       noise_params = {
 866               octaves = 1,
 867               scale = 1,
 868               offset = 0,
 869               spread = { x = 100, y = 100, z = 100 },
 870               lacunarity = 2.0,
 871               persistence = 0.5,
 872               seed = 43400,
 873       },
 874 })
 875 minetest.register_ore(
 876    {
 877       ore_type       = "blob",
 878       ore            = "rp_default:stone",
 879       wherein        = "rp_default:dry_dirt",
 880       biomes = {"Rocky Dryland"},
 881       clust_scarcity = 8*8*8,
 882       clust_size     = 7,
 883       y_min          = -31000,
 884       y_max          = 31000,
 885       noise_params = {
 886               octaves = 1,
 887               scale = 1,
 888               offset = 0,
 889               spread = { x = 100, y = 100, z = 100 },
 890               lacunarity = 2.0,
 891               persistence = 0.5,
 892               seed = 13940,
 893       },
 894 })
 895
 896 minetest.register_ore( -- Dry Swamp (dirt)
 897    {
 898       ore_type       = "blob",
 899       ore            = "rp_default:dirt_with_grass",
 900       wherein        = {"rp_default:dirt_with_swamp_grass"},
 901       biomes         = {"Dry Swamp"},
 902       clust_scarcity = 3*3*3,
 903       clust_num_ores = 10,
 904       clust_size     = 4,
 905       y_min          = -31000,
 906       y_max          = 31000,
 907       noise_params   = spring_ore_np(13943),
 908 })
 909 minetest.register_ore( -- Dry Swamp (dirt)
 910    {
 911       ore_type       = "blob",
 912       ore            = "rp_default:dirt",
 913       wherein        = {"rp_default:swamp_dirt"},
 914       biomes         = {"Dry Swamp"},
 915       clust_scarcity = 3*3*3,
 916       clust_num_ores = 10,
 917       clust_size     = 4,
 918       y_min          = -31000,
 919       y_max          = 31000,
 920       noise_params   = spring_ore_np(13943),
 921 })
 922 minetest.register_ore(
 923    {
 924       ore_type       = "scatter",
 925       ore            = "rp_default:dirt_with_dry_grass",
 926       wherein        = "rp_default:dry_dirt",
 927       biomes = {"Savannic Wasteland"},
 928       clust_scarcity = 6*6*6,
 929       clust_size     = 6,
 930       clust_num_ores = 40,
 931       y_min          = 2,
 932       y_max          = 31000,
 933       noise_params = {
 934               octaves = 1,
 935               scale = 1,
 936               offset = 0.1,
 937               spread = { x = 100, y = 100, z = 100 },
 938               lacunarity = 2.0,
 939               persistence = 0.5,
 940               seed = 12449,
 941       },
 942 })
 943
 944 minetest.register_ore(
 945    {
 946       ore_type       = "blob",
 947       ore            = "rp_default:dirt_with_dry_grass",
 948       wherein        = "rp_default:dry_dirt",
 949       biomes = {"Savannic Wasteland"},
 950       clust_scarcity = 7*7*7,
 951       clust_size     = 4,
 952       y_min          = 2,
 953       y_max          = 31000,
 954       noise_params = {
 955               octaves = 2,
 956               scale = 1,
 957               offset = 0.2,
 958               spread = { x = 100, y = 100, z = 100 },
 959               lacunarity = 2.0,
 960               persistence = 0.5,
 961               seed = 12450,
 962       },
 963 })
 964
 965 minetest.register_ore(
 966    {
 967       ore_type       = "scatter",
 968       ore            = "rp_default:stone_with_sulfur",
 969       wherein        = "rp_default:stone",
 970       biomes         = { "Rocky Dryland", "Wooded Dryland"},
 971       clust_scarcity = 9*9*9,
 972       clust_num_ores = 1,
 973       clust_size     = 1,
 974       y_min          = -8,
 975       y_max          = 32,
 976 })
 977
 978
 979 end
 980
 981
 982 --[[ DECORATIONS ]]
 983 -- The decorations are roughly ordered by size;
 984 -- largest decorations first.
 985
 986 -- Tree decorations
 987
 988 if mg_name ~= "v6" then
 989 minetest.register_decoration(
 990    {
 991       name = "rp_default:giga_birch_tree",
 992       deco_type = "schematic",
 993       place_on = {"rp_default:dirt_with_grass"},
 994       sidelen = 16,
 995       fill_ratio = 0.023,
 996       biomes = {"Deep Forest"},
 997       flags = "place_center_x, place_center_z",
 998       schematic = minetest.get_modpath("rp_default")
 999          .. "/schematics/rp_default_giga_birch_tree.mts",
1000       rotation = "random",
1001       y_min = -32000,
1002       y_max = 32000,
1003 })
1004
1005 minetest.register_decoration(
1006    {
1007       deco_type = "schematic",
1008       place_on = {"rp_default:dirt_with_grass"},
1009       sidelen = 16,
1010       fill_ratio = 0.004,
1011       biomes = {"Grove"},
1012       flags = "place_center_x, place_center_z",
1013       schematic = minetest.get_modpath("rp_default")
1014          .. "/schematics/rp_default_tall_grove_tree.mts",
1015       y_min = 0,
1016       y_max = 32000,
1017 })
1018
1019 minetest.register_decoration(
1020    {
1021       deco_type = "schematic",
1022       place_on = {"rp_default:dirt_with_grass"},
1023       sidelen = 16,
1024       fill_ratio = 0.008,
1025       biomes = {"Forest"},
1026       flags = "place_center_x, place_center_z",
1027       schematic = minetest.get_modpath("rp_default")
1028          .. "/schematics/rp_default_coniferlike_tree.mts",
1029       y_min = -32000,
1030       y_max = 32000,
1031 })
1032
1033 minetest.register_decoration(
1034    {
1035       deco_type = "schematic",
1036       place_on = {"rp_default:dirt_with_grass"},
1037       sidelen = 16,
1038       fill_ratio = 0.015,
1039       biomes = {"Tall Birch Forest"},
1040       flags = "place_center_x, place_center_z",
1041       schematic = minetest.get_modpath("rp_default")
1042          .. "/schematics/rp_default_birch_cuboid_tall.mts",
1043       y_min = -32000,
1044       y_max = 32000,
1045 })
1046
1047 minetest.register_decoration(
1048    {
1049       deco_type = "schematic",
1050       place_on = {"rp_default:dirt_with_grass"},
1051       sidelen = 16,
1052       fill_ratio = 0.004,
1053       biomes = {"Forest"},
1054       flags = "place_center_x, place_center_z",
1055       schematic = minetest.get_modpath("rp_default")
1056          .. "/schematics/rp_default_birch_cuboid_3x3_short.mts",
1057       y_min = -32000,
1058       y_max = 32000,
1059 })
1060
1061 minetest.register_decoration(
1062    {
1063       deco_type = "schematic",
1064       place_on = {"rp_default:dirt_with_grass"},
1065       sidelen = 16,
1066       fill_ratio = 0.0003,
1067       biomes = {"Birch Forest"},
1068       flags = "place_center_x, place_center_z",
1069       schematic = minetest.get_modpath("rp_default")
1070          .. "/schematics/rp_default_birch_cuboid_5x4.mts",
1071       y_min = -32000,
1072       y_max = 32000,
1073 })
1074 minetest.register_decoration(
1075    {
1076       deco_type = "schematic",
1077       place_on = {"rp_default:dirt_with_grass"},
1078       sidelen = 16,
1079       fill_ratio = 0.001,
1080       biomes = {"Birch Forest"},
1081       flags = "place_center_x, place_center_z",
1082       schematic = minetest.get_modpath("rp_default")
1083          .. "/schematics/rp_default_birch_cuboid_3x4.mts",
1084       y_min = -32000,
1085       y_max = 32000,
1086 })
1087 minetest.register_decoration(
1088    {
1089       deco_type = "schematic",
1090       place_on = {"rp_default:dirt_with_grass"},
1091       sidelen = 16,
1092       fill_ratio = 0.003,
1093       biomes = {"Birch Forest"},
1094       flags = "place_center_x, place_center_z",
1095       schematic = minetest.get_modpath("rp_default")
1096          .. "/schematics/rp_default_birch_cuboid_3x3_long.mts",
1097       y_min = -32000,
1098       y_max = 32000,
1099 })
1100 minetest.register_decoration(
1101    {
1102       deco_type = "schematic",
1103       place_on = {"rp_default:dirt_with_grass"},
1104       sidelen = 16,
1105       fill_ratio = 0.001,
1106       biomes = {"Birch Forest"},
1107       flags = "place_center_x, place_center_z",
1108       schematic = minetest.get_modpath("rp_default")
1109          .. "/schematics/rp_default_birch_cuboid_3x3_short.mts",
1110       y_min = -32000,
1111       y_max = 32000,
1112 })
1113 minetest.register_decoration(
1114    {
1115       deco_type = "schematic",
1116       place_on = {"rp_default:dirt_with_grass"},
1117       sidelen = 16,
1118       fill_ratio = 0.0001,
1119       biomes = {"Birch Forest"},
1120       flags = "place_center_x, place_center_z",
1121       schematic = minetest.get_modpath("rp_default")
1122          .. "/schematics/rp_default_birch_plus.mts",
1123       y_min = -32000,
1124       y_max = 32000,
1125 })
1126 minetest.register_decoration(
1127    {
1128       deco_type = "schematic",
1129       place_on = {"rp_default:dirt_with_grass"},
1130       sidelen = 16,
1131       fill_ratio = 0.0002,
1132       biomes = {"Birch Forest"},
1133       flags = "place_center_x, place_center_z",
1134       schematic = minetest.get_modpath("rp_default")
1135          .. "/schematics/rp_default_apple_tree_empty.mts",
1136       y_min = -32000,
1137       y_max = 32000,
1138 })
1139
1140
1141
1142 minetest.register_decoration(
1143    {
1144       deco_type = "schematic",
1145       place_on = {"rp_default:dirt_with_grass"},
1146       sidelen = 16,
1147       fill_ratio = 0.004,
1148       biomes = {"Dry Swamp"},
1149       flags = "place_center_x, place_center_z",
1150       schematic = minetest.get_modpath("rp_default")
1151          .. "/schematics/rp_default_birch_cuboid_3x3_short.mts",
1152       y_min = -32000,
1153       y_max = 32000,
1154 })
1155
1156 minetest.register_decoration(
1157    {
1158       deco_type = "schematic",
1159       place_on = {"rp_default:dirt_with_grass"},
1160       sidelen = 16,
1161       fill_ratio = 0.00035,
1162       biomes = {"Orchard"},
1163       flags = "place_center_x, place_center_z",
1164       schematic = minetest.get_modpath("rp_default")
1165          .. "/schematics/rp_default_apple_tree_big.mts",
1166       y_min = 15,
1167       y_max = 32000,
1168 })
1169
1170 minetest.register_decoration(
1171    {
1172       deco_type = "schematic",
1173       place_on = {"rp_default:dirt_with_grass"},
1174       sidelen = 16,
1175       fill_ratio = 0.007,
1176       biomes = {"Orchard"},
1177       flags = "place_center_x, place_center_z",
1178       schematic = minetest.get_modpath("rp_default")
1179          .. "/schematics/rp_default_apple_tree.mts",
1180       y_min = 10,
1181       y_max = 32000,
1182 })
1183
1184 minetest.register_decoration(
1185    {
1186       deco_type = "schematic",
1187       place_on = {"rp_default:dirt_with_grass"},
1188       sidelen = 16,
1189       fill_ratio = 0.000033,
1190       biomes = {"Thorny Shrubs"},
1191       flags = "place_center_x, place_center_z",
1192       schematic = minetest.get_modpath("rp_default")
1193          .. "/schematics/rp_default_apple_tree.mts",
1194       y_min = -32000,
1195       y_max = 32000,
1196 })
1197 minetest.register_decoration(
1198    {
1199       deco_type = "schematic",
1200       place_on = {"rp_default:dirt_with_grass"},
1201       sidelen = 16,
1202       fill_ratio = 0.00067,
1203       biomes = {"Thorny Shrubs"},
1204       flags = "place_center_x, place_center_z",
1205       schematic = minetest.get_modpath("rp_default")
1206          .. "/schematics/rp_default_apple_tree_empty.mts",
1207       y_min = -32000,
1208       y_max = 32000,
1209 })
1210
1211
1212 minetest.register_decoration(
1213    {
1214       deco_type = "schematic",
1215       place_on = {"rp_default:dirt_with_grass"},
1216       sidelen = 16,
1217       fill_ratio = 0.009,
1218       biomes = {"Forest", "Deep Forest"},
1219       flags = "place_center_x, place_center_z",
1220       schematic = minetest.get_modpath("rp_default")
1221          .. "/schematics/rp_default_apple_tree.mts",
1222       y_min = -32000,
1223       y_max = 32000,
1224 })
1225
1226 minetest.register_decoration(
1227    {
1228       deco_type = "schematic",
1229       place_on = {"rp_default:dirt_with_grass"},
1230       sidelen = 16,
1231       fill_ratio = 0.0009,
1232       biomes = {"Oak Forest"},
1233       flags = "place_center_x, place_center_z",
1234       schematic = minetest.get_modpath("rp_default")
1235          .. "/schematics/rp_default_oak_tree_big_1.mts",
1236       y_min = 1,
1237       y_max = 32000,
1238 })
1239
1240 minetest.register_decoration(
1241    {
1242       deco_type = "schematic",
1243       place_on = {"rp_default:dirt_with_grass"},
1244       sidelen = 16,
1245       fill_ratio = 0.0045,
1246       biomes = {"Tall Oak Forest"},
1247       flags = "place_center_x, place_center_z",
1248       schematic = minetest.get_modpath("rp_default")
1249          .. "/schematics/rp_default_oak_tree_big_1.mts",
1250       y_min = 1,
1251       y_max = 32000,
1252 })
1253 minetest.register_decoration(
1254    {
1255       deco_type = "schematic",
1256       place_on = {"rp_default:dirt_with_grass"},
1257       sidelen = 16,
1258       fill_ratio = 0.0045,
1259       biomes = {"Tall Oak Forest"},
1260       flags = "place_center_x, place_center_z",
1261       schematic = minetest.get_modpath("rp_default")
1262          .. "/schematics/rp_default_oak_tree_big_2.mts",
1263       y_min = 1,
1264       y_max = 32000,
1265 })
1266
1267
1268 minetest.register_decoration(
1269    {
1270       deco_type = "schematic",
1271       place_on = {"rp_default:dirt_with_grass"},
1272       sidelen = 16,
1273       fill_ratio = 0.035,
1274       biomes = {"Dense Oak Forest"},
1275       flags = "place_center_x, place_center_z",
1276       schematic = minetest.get_modpath("rp_default")
1277          .. "/schematics/rp_default_oak_tree_big_1.mts",
1278       y_min = 1,
1279       y_max = 32000,
1280 })
1281 minetest.register_decoration(
1282    {
1283       deco_type = "schematic",
1284       place_on = {"rp_default:dirt_with_grass"},
1285       sidelen = 16,
1286       fill_ratio = 0.035,
1287       biomes = {"Dense Oak Forest"},
1288       flags = "place_center_x, place_center_z",
1289       schematic = minetest.get_modpath("rp_default")
1290          .. "/schematics/rp_default_oak_tree_big_2.mts",
1291       y_min = 1,
1292       y_max = 32000,
1293 })
1294
1295
1296
1297 minetest.register_decoration(
1298    {
1299       deco_type = "schematic",
1300       place_on = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt"},
1301       sidelen = 16,
1302       fill_ratio = 0.0008,
1303       biomes = {"Mixed Swamp", "Mixed Swamp Beach"},
1304       flags = "place_center_x, place_center_z",
1305       schematic = minetest.get_modpath("rp_default")
1306          .. "/schematics/rp_default_swamp_oak.mts",
1307       y_min = 0,
1308       y_max = 32000,
1309 })
1310
1311 minetest.register_decoration(
1312    {
1313       deco_type = "schematic",
1314       place_on = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt"},
1315       sidelen = 16,
1316       fill_ratio = 0.006,
1317       biomes = {"Swamp Forest", "Swamp Forest Beach"},
1318       flags = "place_center_x, place_center_z",
1319       schematic = minetest.get_modpath("rp_default")
1320          .. "/schematics/rp_default_swamp_oak.mts",
1321       y_min = 0,
1322       y_max = 32000,
1323 })
1324
1325 minetest.register_decoration(
1326    {
1327       deco_type = "schematic",
1328       place_on = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt", "rp_default:dirt"},
1329       sidelen = 16,
1330       fill_ratio = 0.0001,
1331       biomes = {"Swamp Forest", "Swamp Forest Beach"},
1332       flags = "place_center_x, place_center_z",
1333       schematic = minetest.get_modpath("rp_default")
1334          .. "/schematics/rp_default_swamp_birch.mts",
1335       y_min = 0,
1336       y_max = 32000,
1337 })
1338 minetest.register_decoration(
1339    {
1340       deco_type = "schematic",
1341       place_on = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt", "rp_default:dirt"},
1342       sidelen = 16,
1343       fill_ratio = 0.003,
1344       biomes = {"Dry Swamp", "Dry Swamp Beach"},
1345       flags = "place_center_x, place_center_z",
1346       schematic = minetest.get_modpath("rp_default")
1347          .. "/schematics/rp_default_swamp_birch.mts",
1348       y_min = 0,
1349       y_max = 32000,
1350 })
1351
1352
1353
1354 local MYSTERY_FOREST_SPREAD = { x=500, y=500, z=500 }
1355 local MYSTERY_FOREST_OFFSET = 0.001
1356 local MYSTERY_FOREST_OFFSET_STAIRCASE = -0.001
1357 local MYSTERY_FOREST_OFFSET_APPLES = -0.0005
1358 local MYSTERY_FOREST_SCALE = 0.008
1359
1360 minetest.register_decoration(
1361    {
1362       deco_type = "schematic",
1363       place_on = {"rp_default:dirt_with_grass"},
1364       sidelen = 16,
1365       biomes = {"Mystery Forest"},
1366       flags = "place_center_x, place_center_z",
1367       schematic = minetest.get_modpath("rp_default")
1368          .. "/schematics/rp_default_staircase_tree.mts",
1369       y_min = 1,
1370       y_max = 32000,
1371       noise_params = {
1372               octaves = 2,
1373               scale = -MYSTERY_FOREST_SCALE,
1374               offset = MYSTERY_FOREST_OFFSET_STAIRCASE,
1375               spread = MYSTERY_FOREST_SPREAD,
1376               lacunarity = 2.0,
1377               persistence = 0.5,
1378               seed = 49204,
1379       },
1380 })
1381
1382 minetest.register_decoration(
1383    {
1384       deco_type = "schematic",
1385       place_on = {"rp_default:dirt_with_grass"},
1386       sidelen = 16,
1387       biomes = {"Mystery Forest"},
1388       flags = "place_center_x, place_center_z",
1389       schematic = minetest.get_modpath("rp_default")
1390          .. "/schematics/rp_default_layer_birch.mts",
1391       y_min = 1,
1392       y_max = 32000,
1393       noise_params = {
1394               octaves = 2,
1395               scale = MYSTERY_FOREST_SCALE,
1396               offset = MYSTERY_FOREST_OFFSET,
1397               spread = MYSTERY_FOREST_SPREAD,
1398               lacunarity = 2.0,
1399               persistence = 0.5,
1400               seed = 49204,
1401       },
1402 })
1403
1404 minetest.register_decoration(
1405    {
1406       deco_type = "schematic",
1407       place_on = {"rp_default:dirt_with_grass"},
1408       sidelen = 16,
1409       biomes = {"Mystery Forest"},
1410       flags = "place_center_x, place_center_z",
1411       schematic = minetest.get_modpath("rp_default")
1412          .. "/schematics/rp_default_telephone_tree.mts",
1413       y_min = 1,
1414       y_max = 32000,
1415       noise_params = {
1416               octaves = 2,
1417               scale = -MYSTERY_FOREST_SCALE,
1418               offset = MYSTERY_FOREST_OFFSET,
1419               spread = MYSTERY_FOREST_SPREAD,
1420               lacunarity = 2.0,
1421               persistence = 0.5,
1422               seed = 49204,
1423       },
1424 })
1425
1426 minetest.register_decoration(
1427    {
1428       deco_type = "schematic",
1429       place_on = {"rp_default:dirt_with_grass"},
1430       sidelen = 16,
1431       biomes = {"Mystery Forest"},
1432       flags = "place_center_x, place_center_z",
1433       schematic = minetest.get_modpath("rp_default")
1434          .. "/schematics/rp_default_telephone_tree_apples.mts",
1435       y_min = 1,
1436       y_max = 32000,
1437       noise_params = {
1438               octaves = 2,
1439               scale = -MYSTERY_FOREST_SCALE,
1440               offset = MYSTERY_FOREST_OFFSET_APPLES,
1441               spread = MYSTERY_FOREST_SPREAD,
1442               lacunarity = 2.0,
1443               persistence = 0.5,
1444               seed = 49204,
1445       },
1446 })
1447
1448
1449
1450
1451 minetest.register_decoration(
1452    {
1453       deco_type = "schematic",
1454       place_on = {"rp_default:dirt_with_grass"},
1455       sidelen = 16,
1456       biomes = {"Mystery Forest"},
1457       flags = "place_center_x, place_center_z",
1458       schematic = minetest.get_modpath("rp_default")
1459          .. "/schematics/rp_default_cross_birch.mts",
1460       y_min = 1,
1461       y_max = 32000,
1462       noise_params = {
1463               octaves = 2,
1464               scale = MYSTERY_FOREST_SCALE,
1465               offset = MYSTERY_FOREST_OFFSET,
1466               spread = MYSTERY_FOREST_SPREAD,
1467               lacunarity = 2.0,
1468               persistence = 0.5,
1469               seed = 49204,
1470       },
1471 })
1472
1473 minetest.register_decoration(
1474    {
1475       deco_type = "schematic",
1476       place_on = {"rp_default:dirt_with_grass"},
1477       sidelen = 16,
1478       biomes = {"Poplar Plains"},
1479       flags = "place_center_x, place_center_z",
1480       schematic = minetest.get_modpath("rp_default")
1481          .. "/schematics/rp_default_poplar_large.mts",
1482       y_min = 1,
1483       y_max = 32000,
1484       noise_params = {
1485               octaves = 2,
1486               scale = 0.01,
1487               offset = -0.004,
1488               spread = {x=50,y=50,z=50},
1489               lacunarity = 2.0,
1490               persistence = 0.5,
1491               seed = 94325,
1492       },
1493 })
1494 minetest.register_decoration(
1495    {
1496       deco_type = "schematic",
1497       place_on = {"rp_default:dirt_with_grass"},
1498       sidelen = 16,
1499       biomes = {"Poplar Plains"},
1500       flags = "place_center_x, place_center_z",
1501       schematic = minetest.get_modpath("rp_default")
1502          .. "/schematics/rp_default_poplar_small.mts",
1503       y_min = 1,
1504       y_max = 32000,
1505       noise_params = {
1506               octaves = 2,
1507               scale = 0.01,
1508               offset = -0.001,
1509               spread = {x=50,y=50,z=50},
1510               lacunarity = 2.0,
1511               persistence = 0.5,
1512               seed = 94325,
1513       },
1514 })
1515 minetest.register_decoration(
1516    {
1517       deco_type = "schematic",
1518       place_on = {"rp_default:dirt_with_grass"},
1519       fill_ratio = 0.0002,
1520       sidelen = 16,
1521       biomes = {"Poplar Plains"},
1522       flags = "place_center_x, place_center_z",
1523       schematic = minetest.get_modpath("rp_default")
1524          .. "/schematics/rp_default_poplar_small.mts",
1525       y_min = 1,
1526       y_max = 32000,
1527 })
1528
1529 -- Small poplar tree blobs
1530 minetest.register_decoration(
1531    {
1532       deco_type = "schematic",
1533       place_on = {"rp_default:dirt_with_grass"},
1534       sidelen = 8,
1535       biomes = {"Baby Poplar Plains"},
1536       flags = "place_center_x, place_center_z",
1537       schematic = minetest.get_modpath("rp_default")
1538          .. "/schematics/rp_default_poplar_small.mts",
1539       y_min = 1,
1540       y_max = 32000,
1541       noise_params = {
1542               octaves = 2,
1543               scale = 0.05,
1544               offset = -0.032,
1545               spread = {x=24,y=24,z=24},
1546               lacunarity = 2.0,
1547               persistence = 0.5,
1548               seed = 94325,
1549       },
1550 })
1551
1552 -- Occasional lonely poplars
1553 minetest.register_decoration(
1554    {
1555       deco_type = "schematic",
1556       place_on = {"rp_default:dirt_with_grass"},
1557       sidelen = 16,
1558       fill_ratio = 0.0002,
1559       biomes = {"Baby Poplar Plains"},
1560       flags = "place_center_x, place_center_z",
1561       schematic = minetest.get_modpath("rp_default")
1562          .. "/schematics/rp_default_poplar_small.mts",
1563       y_min = 1,
1564       y_max = 32000,
1565 })
1566
1567
1568 -- Bushes
1569 minetest.register_decoration(
1570    {
1571       deco_type = "schematic",
1572       place_on = {"rp_default:dirt_with_grass"},
1573       sidelen = 16,
1574       fill_ratio = 0.001,
1575       biomes = {"Birch Forest"},
1576       flags = "place_center_x, place_center_z",
1577       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_birch_bush.mts",
1578       y_min = 1,
1579       y_max = 32000,
1580       rotation = "0",
1581 })
1582
1583 minetest.register_decoration(
1584    {
1585       deco_type = "schematic",
1586       place_on = {"rp_default:dirt_with_grass"},
1587       sidelen = 16,
1588       biomes = {"Baby Poplar Plains"},
1589       flags = "place_center_x, place_center_z",
1590       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_bush.mts",
1591       y_min = 1,
1592       y_max = 32000,
1593       rotation = "0",
1594       noise_params = {
1595               octaves = 1,
1596               scale = 0.001,
1597               offset = -0.0000001,
1598               spread = { x = 50, y = 50, z = 50 },
1599               lacunarity = 2.0,
1600               persistence = 0.5,
1601               seed = 98421,
1602       },
1603 })
1604
1605 minetest.register_decoration(
1606    {
1607       deco_type = "schematic",
1608       place_on = {"rp_default:dirt_with_grass"},
1609       sidelen = 16,
1610       biomes = {"Thorny Shrubs"},
1611       flags = "place_center_x, place_center_z",
1612       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_bush.mts",
1613       y_min = 3,
1614       y_max = 32000,
1615       rotation = "0",
1616       noise_params = {
1617               octaves = 1,
1618               scale = -0.004,
1619               offset = 0.002,
1620               spread = { x = 82, y = 82, z = 82 },
1621               lacunarity = 2.0,
1622               persistence = 0.5,
1623               seed = 43905,
1624       },
1625 })
1626
1627 minetest.register_decoration(
1628    {
1629       deco_type = "schematic",
1630       place_on = {"rp_default:dirt_with_grass"},
1631       sidelen = 16,
1632       fill_ratio = 0.006,
1633       biomes = {"Shrubbery"},
1634       flags = "place_center_x, place_center_z",
1635       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_bush.mts",
1636       y_min = 1,
1637       y_max = 32000,
1638       rotation = "0",
1639 })
1640
1641 -- Wilderness apple trees: 50/50 split between
1642 -- trees with apples and those without.
1643 minetest.register_decoration(
1644    {
1645       deco_type = "schematic",
1646       place_on = {"rp_default:dirt_with_grass"},
1647       sidelen = 16,
1648       fill_ratio = 0.002,
1649       biomes = {"Wilderness"},
1650       flags = "place_center_x, place_center_z",
1651       schematic = minetest.get_modpath("rp_default")
1652          .. "/schematics/rp_default_apple_tree.mts",
1653       y_min = -32000,
1654       y_max = 32000,
1655 })
1656 minetest.register_decoration(
1657    {
1658       deco_type = "schematic",
1659       place_on = {"rp_default:dirt_with_grass"},
1660       sidelen = 16,
1661       fill_ratio = 0.002,
1662       biomes = {"Wilderness"},
1663       flags = "place_center_x, place_center_z",
1664       schematic = minetest.get_modpath("rp_default")
1665          .. "/schematics/rp_default_apple_tree_empty.mts",
1666       y_min = -32000,
1667       y_max = 32000,
1668 })
1669
1670 minetest.register_decoration(
1671    {
1672       deco_type = "schematic",
1673       place_on = {"rp_default:dirt_with_grass", "rp_default:dirt"},
1674       sidelen = 16,
1675       fill_ratio = 0.0001,
1676       biomes = {"Dry Swamp"},
1677       flags = "place_center_x, place_center_z",
1678       schematic = minetest.get_modpath("rp_default")
1679          .. "/schematics/rp_default_apple_tree.mts",
1680       y_min = -32000,
1681       y_max = 32000,
1682 })
1683
1684 minetest.register_decoration(
1685    {
1686       deco_type = "schematic",
1687       place_on = {"rp_default:dirt_with_grass"},
1688       sidelen = 16,
1689       fill_ratio = 0.004,
1690       biomes = {"Wilderness"},
1691       flags = "place_center_x, place_center_z",
1692       schematic = minetest.get_modpath("rp_default")
1693          .. "/schematics/rp_default_oak_tree.mts",
1694       y_min = -32000,
1695       y_max = 32000,
1696 })
1697
1698
1699 minetest.register_decoration(
1700    {
1701       deco_type = "schematic",
1702       place_on = {"rp_default:dirt_with_grass"},
1703       sidelen = 16,
1704       fill_ratio = 0.001,
1705       biomes = {"Oak Shrubbery"},
1706       flags = "place_center_x, place_center_z",
1707       schematic = minetest.get_modpath("rp_default")
1708          .. "/schematics/rp_default_oak_tree.mts",
1709       y_min = 1,
1710       y_max = 32000,
1711 })
1712
1713 minetest.register_decoration(
1714    {
1715       deco_type = "schematic",
1716       place_on = {"rp_default:dirt_with_grass"},
1717       sidelen = 16,
1718       fill_ratio = 0.02,
1719       biomes = {"Dense Oak Forest"},
1720       flags = "place_center_x, place_center_z",
1721       schematic = minetest.get_modpath("rp_default")
1722          .. "/schematics/rp_default_oak_tree.mts",
1723       y_min = 1,
1724       y_max = 32000,
1725 })
1726
1727 minetest.register_decoration(
1728    {
1729       deco_type = "schematic",
1730       place_on = {"rp_default:dirt_with_grass"},
1731       sidelen = 16,
1732       fill_ratio = 0.0225,
1733       biomes = {"Oak Forest"},
1734       flags = "place_center_x, place_center_z",
1735       schematic = minetest.get_modpath("rp_default")
1736          .. "/schematics/rp_default_oak_tree.mts",
1737       y_min = 1,
1738       y_max = 32000,
1739 })
1740
1741 minetest.register_decoration(
1742    {
1743       deco_type = "schematic",
1744       place_on = {"rp_default:dirt_with_grass"},
1745       sidelen = 16,
1746       fill_ratio = 0.0015,
1747       biomes = {"Tall Oak Forest"},
1748       flags = "place_center_x, place_center_z",
1749       schematic = minetest.get_modpath("rp_default")
1750          .. "/schematics/rp_default_oak_tree.mts",
1751       y_min = 1,
1752       y_max = 32000,
1753 })
1754
1755
1756
1757 end
1758
1759 -- Cactus decorations
1760
1761 minetest.register_decoration(
1762    {
1763       deco_type = "schematic",
1764       place_on = {"rp_default:sand"},
1765       sidelen = 16,
1766       fill_ratio = 0.004,
1767       biomes = {"Desert"},
1768       flags = "place_center_x, place_center_z",
1769       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_cactus.mts",
1770       y_min = 10,
1771       y_max = 500,
1772       rotation = "random",
1773 })
1774
1775 -- Rock decorations
1776
1777 if mg_name ~= "v6" then
1778 minetest.register_decoration(
1779    {
1780       deco_type = "schematic",
1781       place_on = {"rp_default:dry_dirt"},
1782       sidelen = 16,
1783       fill_ratio = 0.006,
1784       biomes = {"Wasteland"},
1785       flags = "place_center_x, place_center_z",
1786       schematic = minetest.get_modpath("rp_default")
1787          .. "/schematics/rp_default_small_rock.mts",
1788       y_min = 1,
1789       y_max = 32000,
1790       rotation = "random",
1791 })
1792
1793 minetest.register_decoration(
1794    {
1795       deco_type = "schematic",
1796       place_on = {"rp_default:dry_dirt"},
1797       sidelen = 16,
1798       fill_ratio = 0.004,
1799       biomes = {"Wasteland"},
1800       flags = "place_center_x, place_center_z",
1801       schematic = minetest.get_modpath("rp_default")
1802          .. "/schematics/rp_default_large_rock.mts",
1803       y_min = 1,
1804       y_max = 32000,
1805       rotation = "random",
1806 })
1807
1808 minetest.register_decoration(
1809    {
1810       deco_type = "schematic",
1811       place_on = {"rp_default:stone", "rp_default:dry_dirt"},
1812       sidelen = 16,
1813       fill_ratio = 0.003,
1814       biomes = {"Rocky Dryland"},
1815       flags = "place_center_x, place_center_z",
1816       schematic = minetest.get_modpath("rp_default")
1817          .. "/schematics/rp_default_small_rock.mts",
1818       y_min = 1,
1819       y_max = 32000,
1820       rotation = "random",
1821 })
1822
1823 minetest.register_decoration(
1824    {
1825       deco_type = "schematic",
1826       place_on = {"rp_default:dry_dirt", "rp_default:dirt_with_dry_grass"},
1827       sidelen = 16,
1828       fill_ratio = 0.001,
1829       biomes = {"Savannic Wasteland"},
1830       flags = "place_center_x, place_center_z",
1831       schematic = minetest.get_modpath("rp_default")
1832          .. "/schematics/rp_default_small_rock.mts",
1833       y_min = 1,
1834       y_max = 32000,
1835       rotation = "random",
1836 })
1837
1838
1839 -- Sulfur decorations
1840
1841 minetest.register_decoration(
1842    {
1843       deco_type = "simple",
1844       place_on = "rp_default:dry_dirt",
1845       sidelen = 16,
1846       fill_ratio = 0.005,
1847       biomes = {"Wasteland"},
1848       decoration = {"rp_default:stone_with_sulfur"},
1849       y_min = 2,
1850       y_max = 14,
1851 })
1852
1853 -- Tiny tree decorations
1854
1855 minetest.register_decoration(
1856    {
1857       deco_type = "schematic",
1858       place_on = {"rp_default:dry_dirt"},
1859       sidelen = 16,
1860       fill_ratio = 0.0001,
1861       biomes = {"Rocky Dryland"},
1862       flags = "place_center_x, place_center_z",
1863       schematic = minetest.get_modpath("rp_default")
1864          .. "/schematics/rp_default_tiny_birch.mts",
1865       y_min = 1,
1866       y_max = 32000,
1867 })
1868
1869 minetest.register_decoration(
1870    {
1871       deco_type = "schematic",
1872       place_on = {"rp_default:dry_dirt"},
1873       sidelen = 16,
1874       fill_ratio = 0.00025,
1875       biomes = {"Rocky Dryland"},
1876       flags = "place_center_x, place_center_z",
1877       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_tree_3layer.mts",
1878       y_min = 3,
1879       y_max = 32000,
1880 })
1881 minetest.register_decoration(
1882    {
1883       deco_type = "schematic",
1884       place_on = {"rp_default:dry_dirt"},
1885       sidelen = 16,
1886       fill_ratio = 0.00025,
1887       biomes = {"Rocky Dryland"},
1888       flags = "place_center_x, place_center_z",
1889       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_tree_2layer.mts",
1890       y_min = 3,
1891       y_max = 32000,
1892 })
1893 minetest.register_decoration(
1894    {
1895       deco_type = "schematic",
1896       place_on = {"rp_default:dry_dirt"},
1897       sidelen = 16,
1898       fill_ratio = 0.002,
1899       biomes = {"Rocky Dryland"},
1900       flags = "place_center_x, place_center_z",
1901       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_tiny_dry_tree.mts",
1902       y_min = 3,
1903       y_max = 32000,
1904 })
1905 minetest.register_decoration(
1906    {
1907       deco_type = "schematic",
1908       place_on = {"rp_default:dry_dirt"},
1909       sidelen = 16,
1910       fill_ratio = 0.0001,
1911       biomes = {"Rocky Dryland"},
1912       flags = "place_center_x, place_center_z",
1913       schematic = minetest.get_modpath("rp_default")
1914          .. "/schematics/rp_default_tiny_birch.mts",
1915       y_min = 1,
1916       y_max = 32000,
1917 })
1918
1919 minetest.register_decoration(
1920    {
1921       deco_type = "schematic",
1922       place_on = {"rp_default:dry_dirt"},
1923       sidelen = 16,
1924       fill_ratio = 0.00025,
1925       biomes = {"Rocky Dryland"},
1926       flags = "place_center_x, place_center_z",
1927       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_tree_3layer.mts",
1928       y_min = 3,
1929       y_max = 32000,
1930 })
1931 minetest.register_decoration(
1932    {
1933       deco_type = "schematic",
1934       place_on = {"rp_default:dry_dirt"},
1935       sidelen = 16,
1936       fill_ratio = 0.00025,
1937       biomes = {"Rocky Dryland"},
1938       flags = "place_center_x, place_center_z",
1939       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_tree_2layer.mts",
1940       y_min = 3,
1941       y_max = 32000,
1942 })
1943 minetest.register_decoration(
1944    {
1945       deco_type = "schematic",
1946       place_on = {"rp_default:dry_dirt"},
1947       sidelen = 16,
1948       fill_ratio = 0.002,
1949       biomes = {"Rocky Dryland"},
1950       flags = "place_center_x, place_center_z",
1951       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_tiny_dry_tree.mts",
1952       y_min = 3,
1953       y_max = 32000,
1954 })
1955
1956 minetest.register_decoration(
1957    {
1958       deco_type = "schematic",
1959       place_on = {"rp_default:dry_dirt"},
1960       sidelen = 16,
1961       fill_ratio = 0.003,
1962       biomes = {"Wooded Dryland"},
1963       flags = "place_center_x, place_center_z",
1964       schematic = minetest.get_modpath("rp_default")
1965          .. "/schematics/rp_default_tiny_oak.mts",
1966       y_min = 1,
1967       y_max = 32000,
1968 })
1969
1970 minetest.register_decoration(
1971    {
1972       deco_type = "schematic",
1973       place_on = {"rp_default:dry_dirt"},
1974       sidelen = 16,
1975       fill_ratio = 0.001,
1976       biomes = {"Wooded Dryland"},
1977       flags = "place_center_x, place_center_z",
1978       schematic = minetest.get_modpath("rp_default")
1979          .. "/schematics/rp_default_tiny_birch.mts",
1980       y_min = 1,
1981       y_max = 32000,
1982 })
1983
1984
1985 minetest.register_decoration(
1986    {
1987       deco_type = "schematic",
1988       place_on = {"rp_default:dry_dirt"},
1989       sidelen = 16,
1990       fill_ratio = 0.0002,
1991       biomes = {"Savannic Wasteland"},
1992       flags = "place_center_x, place_center_z",
1993       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_tiny_dry_tree.mts",
1994       y_min = 3,
1995       y_max = 32000,
1996 })
1997
1998
1999
2000 -- Bush/shrub decorations
2001
2002 minetest.register_decoration(
2003    {
2004       deco_type = "schematic",
2005       place_on = {"rp_default:dirt_with_grass"},
2006       sidelen = 16,
2007       fill_ratio = 0.0075,
2008       biomes = {"Oak Shrubbery"},
2009       flags = "place_center_x, place_center_z",
2010       schematic = minetest.get_modpath("rp_default")
2011          .. "/schematics/rp_default_oak_bush_wide.mts",
2012       y_min = 1,
2013       y_max = 32000,
2014 })
2015
2016 minetest.register_decoration(
2017    {
2018       deco_type = "schematic",
2019       place_on = {"rp_default:dirt_with_grass"},
2020       sidelen = 16,
2021       fill_ratio = 0.03,
2022       biomes = {"Dense Oak Forest"},
2023       flags = "place_center_x, place_center_z",
2024       schematic = minetest.get_modpath("rp_default")
2025          .. "/schematics/rp_default_oak_bush_wide.mts",
2026       y_min = 1,
2027       y_max = 32000,
2028 })
2029
2030 minetest.register_decoration(
2031    {
2032       deco_type = "schematic",
2033       place_on = {"rp_default:dirt_with_grass"},
2034       sidelen = 16,
2035       fill_ratio = 0.001,
2036       biomes = {"Oak Forest"},
2037       flags = "place_center_x, place_center_z",
2038       schematic = minetest.get_modpath("rp_default")
2039          .. "/schematics/rp_default_oak_bush_wide.mts",
2040       y_min = 1,
2041       y_max = 32000,
2042 })
2043
2044 minetest.register_decoration(
2045    {
2046       deco_type = "schematic",
2047       place_on = {"rp_default:dirt_with_dry_grass"},
2048       sidelen = 16,
2049       fill_ratio = 0.005,
2050       biomes = {"Savanna", "Chaparral"},
2051       flags = "place_center_x, place_center_z",
2052       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_bush_small.mts",
2053       y_min = 3,
2054       y_max = 32000,
2055       rotation = "0",
2056 })
2057
2058 minetest.register_decoration(
2059    {
2060       deco_type = "schematic",
2061       place_on = {"rp_default:dirt_with_dry_grass"},
2062       sidelen = 16,
2063       fill_ratio = 0.0025,
2064       biomes = {"Savannic Wasteland"},
2065       flags = "place_center_x, place_center_z",
2066       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_bush_small.mts",
2067       y_min = 3,
2068       y_max = 32000,
2069       rotation = "0",
2070 })
2071
2072 minetest.register_decoration(
2073    {
2074       deco_type = "schematic",
2075       place_on = {"rp_default:dry_dirt"},
2076       sidelen = 16,
2077       fill_ratio = 0.001,
2078       biomes = {"Rocky Dryland", "Wooded Dryland"},
2079       flags = "place_center_x, place_center_z",
2080       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_bush_small.mts",
2081       y_min = 3,
2082       y_max = 32000,
2083 })
2084
2085 minetest.register_decoration(
2086    {
2087       deco_type = "schematic",
2088       place_on = {"rp_default:dirt_with_dry_grass"},
2089       sidelen = 16,
2090       fill_ratio = 0.06,
2091       biomes = {"Chaparral"},
2092       flags = "place_center_x, place_center_z",
2093       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_bush.mts",
2094       y_min = 0,
2095       y_max = 32000,
2096       rotation = "0",
2097 })
2098 minetest.register_decoration(
2099    {
2100       deco_type = "schematic",
2101       place_on = {"rp_default:dirt_with_grass"},
2102       sidelen = 16,
2103       biomes = {"Thorny Shrubs"},
2104       flags = "place_center_x, place_center_z",
2105       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_bush.mts",
2106       y_min = 5,
2107       y_max = 32000,
2108       rotation = "0",
2109       noise_params = {
2110               octaves = 1,
2111               scale = -0.004,
2112               offset = -0.001,
2113               spread = { x = 82, y = 82, z = 82 },
2114               lacunarity = 2.0,
2115               persistence = 0.5,
2116               seed = 493421,
2117       },
2118 })
2119
2120
2121 minetest.register_decoration(
2122    {
2123       deco_type = "schematic",
2124       place_on = {"rp_default:dirt_with_grass"},
2125       sidelen = 16,
2126       fill_ratio = 0.0003,
2127       biomes = {"Oak Shrubbery"},
2128       flags = "place_center_x, place_center_z",
2129       schematic = minetest.get_modpath("rp_default")
2130          .. "/schematics/rp_default_normal_bush_small.mts",
2131       y_min = 1,
2132       y_max = 32000,
2133 })
2134
2135 minetest.register_decoration(
2136    {
2137       deco_type = "schematic",
2138       place_on = {"rp_default:dirt_with_grass"},
2139       sidelen = 16,
2140       fill_ratio = 0.006,
2141       biomes = {"Shrubbery"},
2142       flags = "place_center_x, place_center_z",
2143       schematic = minetest.get_modpath("rp_default")
2144          .. "/schematics/rp_default_normal_bush_small.mts",
2145       y_min = 1,
2146       y_max = 32000,
2147 })
2148
2149
2150
2151 minetest.register_decoration(
2152    {
2153       deco_type = "schematic",
2154       place_on = {"rp_default:dirt_with_grass"},
2155       sidelen = 16,
2156       fill_ratio = 0.004,
2157       biomes = {"Grove"},
2158       flags = "place_center_x, place_center_z",
2159       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_bush.mts",
2160       y_min = 3,
2161       y_max = 32000,
2162       rotation = "0",
2163 })
2164 minetest.register_decoration(
2165    {
2166       deco_type = "schematic",
2167       place_on = {"rp_default:dirt_with_grass"},
2168       sidelen = 16,
2169       fill_ratio = 0.0004,
2170       biomes = {"Wilderness"},
2171       flags = "place_center_x, place_center_z",
2172       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_bush.mts",
2173       y_min = 3,
2174       y_max = 32000,
2175       rotation = "0",
2176 })
2177 minetest.register_decoration(
2178    {
2179       deco_type = "schematic",
2180       place_on = {"rp_default:dirt_with_grass"},
2181       sidelen = 16,
2182       fill_ratio = 0.0036,
2183       biomes = {"Wilderness"},
2184       flags = "place_center_x, place_center_z",
2185       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_bush.mts",
2186       y_min = 3,
2187       y_max = 32000,
2188       rotation = "0",
2189 })
2190
2191
2192
2193 -- Thistle decorations
2194
2195 minetest.register_decoration(
2196    {
2197       deco_type = "simple",
2198       place_on = "rp_default:dirt_with_grass",
2199       sidelen = 16,
2200       fill_ratio = 0.024,
2201       biomes = {"Wilderness"},
2202       decoration = {"rp_default:thistle"},
2203       height = 2,
2204       y_min = -32000,
2205       y_max = 32000,
2206 })
2207 minetest.register_decoration(
2208    {
2209       deco_type = "simple",
2210       place_on = {"rp_default:dirt_with_grass", "rp_default:dry_dirt"},
2211       sidelen = 4,
2212       biomes = {"Thorny Shrubs"},
2213       decoration = {"rp_default:thistle"},
2214       height = 2,
2215       y_min = -32000,
2216       y_max = 32000,
2217       noise_params = {
2218               octaves = 2,
2219               scale = 1,
2220               offset = -0.5,
2221               spread = { x = 12, y = 12, z = 12 },
2222               lacunarity = 2.0,
2223               persistence = 0.5,
2224               seed = 43905,
2225       },
2226 })
2227 end
2228 -- Papyrus decorations
2229
2230 -- Beach papyrus
2231 minetest.register_decoration(
2232    {
2233       deco_type = "simple",
2234       place_on = {"rp_default:sand", "rp_default:dirt", "rp_default:dirt_with_grass"},
2235       spawn_by = {"rp_default:water_source", "rp_default:water_flowing"},
2236       num_spawn_by = 1,
2237       sidelen = 16,
2238       fill_ratio = 0.08,
2239       biomes = {"Grassland Ocean", "Grassland", "Forest Ocean", "Forest", "Wilderness Ocean", "Wilderness", "Birch Forest Ocean", "Tall Birch Forest Ocean", "Marsh Beach"},
2240       decoration = {"rp_default:papyrus"},
2241       height = 2,
2242       y_max = 3,
2243       y_min = 0,
2244 })
2245
2246 -- Grassland papyrus
2247 minetest.register_decoration(
2248    {
2249       deco_type = "simple",
2250       place_on = {"rp_default:dirt_with_grass"},
2251       spawn_by = {"group:water"},
2252       num_spawn_by = 1,
2253       sidelen = 16,
2254       fill_ratio = 0.08,
2255       biomes = {"Grassland", "Marsh", "Forest", "Deep Forest", "Wilderness", "Baby Poplar Plains"},
2256       decoration = {"rp_default:papyrus"},
2257       height = 2,
2258       height_max = 3,
2259       y_max = 30,
2260       y_min = 4,
2261 })
2262
2263
2264 -- Swamp papyrus
2265 minetest.register_decoration(
2266    {
2267       deco_type = "simple",
2268       place_on = {"rp_default:swamp_dirt", "rp_default:dirt_with_swamp_grass"},
2269       spawn_by = {"group:water"},
2270       num_spawn_by = 1,
2271       sidelen = 16,
2272       fill_ratio = 0.30,
2273       biomes = {"Mixed Swamp"},
2274       decoration = {"rp_default:papyrus"},
2275       height = 3,
2276       height_max = 4,
2277       y_max = 31000,
2278       y_min = -100,
2279 })
2280
2281 minetest.register_decoration(
2282    {
2283       deco_type = "simple",
2284       place_on = {"rp_default:swamp_dirt", "rp_default:dirt_with_swamp_grass"},
2285       spawn_by = {"group:water"},
2286       num_spawn_by = 1,
2287       sidelen = 16,
2288       fill_ratio = 0.60,
2289       biomes = {"Papyrus Swamp"},
2290       decoration = {"rp_default:papyrus"},
2291       height = 4,
2292       height_max = 4,
2293       y_max = 31000,
2294       y_min = -100,
2295 })
2296
2297 -- Flower decorations
2298
2299 minetest.register_decoration(
2300    {
2301       deco_type = "simple",
2302       place_on = "rp_default:dirt_with_grass",
2303       sidelen = 16,
2304       fill_ratio = 0.04,
2305       biomes = {"Grassland", "Wilderness", "Orchard", "Baby Poplar Plains", "Birch Forest"},
2306       decoration = {"rp_default:flower"},
2307       y_min = -32000,
2308       y_max = 32000,
2309 })
2310
2311 -- Grass decorations
2312
2313 if mg_name ~= "v6" then
2314 minetest.register_decoration(
2315    {
2316       deco_type = "simple",
2317       place_on = "rp_default:dirt_with_grass",
2318       sidelen = 16,
2319       fill_ratio = 0.18,
2320       biomes = {"Grassland", "Orchard", "Swamp Meadow", "Baby Poplar Plains", "Poplar Plains", "Shrubbery", "Oak Shrubbery", "Thorny Shrubs", "Dry Swamp"},
2321       decoration = {"rp_default:grass"},
2322       y_min = 10,
2323       y_max = 32000,
2324 })
2325 end
2326
2327 minetest.register_decoration(
2328    {
2329       deco_type = "simple",
2330       place_on = "rp_default:dirt_with_swamp_grass",
2331       sidelen = 16,
2332       fill_ratio = 0.04,
2333       biomes = {"Mixed Swamp", "Dry Swamp", "Swamp Meadow", "Swamp Papyrus", "Swamp Forest"},
2334       decoration = {"rp_default:swamp_grass"},
2335       y_min = 2,
2336       y_max = 40,
2337 })
2338
2339 minetest.register_decoration(
2340    {
2341       deco_type = "simple",
2342       place_on = "rp_default:dirt_with_dry_grass",
2343       sidelen = 16,
2344       fill_ratio = 0.07,
2345       biomes = {"Desert", "Savanna", "Chaparral", "Savannic Wasteland"},
2346       decoration = {"rp_default:dry_grass"},
2347       y_min = 10,
2348       y_max = 500,
2349 })
2350
2351 if mg_name ~= "v6" then
2352 minetest.register_decoration(
2353    {
2354       deco_type = "simple",
2355       place_on = "rp_default:dirt_with_grass",
2356       sidelen = 16,
2357       fill_ratio = 0.08,
2358       biomes = {"Forest", "Deep Forest", "Birch Forest", "Tall Birch Forest", "Oak Forest", "Dense Oak Forest", "Tall Oak Forest", "Mystery Forest"},
2359       decoration = {"rp_default:grass"},
2360       y_min = 0,
2361       y_max = 32000,
2362 })
2363
2364 minetest.register_decoration(
2365    {
2366       deco_type = "simple",
2367       place_on = "rp_default:dirt_with_grass",
2368       sidelen = 16,
2369       fill_ratio = 0.08,
2370       biomes = {"Forest", "Marsh", "Grove", "Shrubbery", "Oak Shrubbery"},
2371       decoration = {"rp_default:tall_grass"},
2372       y_min = 0,
2373       y_max = 32000,
2374 })
2375
2376 minetest.register_decoration(
2377    {
2378       deco_type = "simple",
2379       place_on = "rp_default:dirt_with_grass",
2380       sidelen = 16,
2381       fill_ratio = 0.15,
2382       biomes = {"Deep Forest", "Tall Oak Forest"},
2383       decoration = {"rp_default:tall_grass"},
2384       y_min = 0,
2385       y_max = 32000,
2386 })
2387
2388 minetest.register_decoration(
2389    {
2390       deco_type = "simple",
2391       place_on = "rp_default:dirt_with_grass",
2392       sidelen = 16,
2393       fill_ratio = 0.05,
2394       biomes = {"Thorny Shrubs"},
2395       decoration = {"rp_default:tall_grass"},
2396       y_min = 0,
2397       y_max = 32000,
2398 })
2399 minetest.register_decoration(
2400    {
2401       deco_type = "simple",
2402       place_on = "rp_default:dirt_with_grass",
2403       sidelen = 16,
2404       fill_ratio = 0.1,
2405       biomes = {"Thorny Shrubs"},
2406       decoration = {"rp_default:grass"},
2407       y_min = 0,
2408       y_max = 32000,
2409 })
2410
2411 end
2412
2413 minetest.register_decoration(
2414    {
2415       deco_type = "simple",
2416       place_on = "rp_default:dirt_with_grass",
2417       sidelen = 16,
2418       fill_ratio = 0.16,
2419       biomes = {"Wilderness", "Thorny Shrubs"},
2420       decoration = {"rp_default:grass"},
2421       y_min = -32000,
2422       y_max = 32000,
2423 })
2424
2425 minetest.register_decoration(
2426    {
2427       deco_type = "simple",
2428       place_on = "rp_default:dirt_with_grass",
2429       sidelen = 16,
2430       fill_ratio = 0.12,
2431       biomes = {"Wilderness", "Thorny Shrubs"},
2432       decoration = {"rp_default:tall_grass"},
2433       y_min = -32000,
2434       y_max = 32000,
2435 })
2436
2437 -- Fern decorations
2438
2439 minetest.register_decoration(
2440    {
2441       deco_type = "simple",
2442       place_on = "rp_default:dirt_with_grass",
2443       sidelen = 16,
2444       fill_ratio = 0.02,
2445       biomes = {"Wilderness", "Grove", "Tall Oak Forest", "Mystery Forest"},
2446       decoration = {"rp_default:fern"},
2447       y_min = -32000,
2448       y_max = 32000,
2449 })
2450
2451 -- Clam decorations
2452
2453 minetest.register_decoration(
2454    {
2455       deco_type = "simple",
2456       place_on = {"rp_default:sand", "rp_default:gravel"},
2457       sidelen = 16,
2458       fill_ratio = 0.02,
2459       biomes = {"Grassland Ocean", "Wasteland Beach", "Forest Ocean", "Wilderness Ocean", "Grove Ocean", "Thorny Shrubs Ocean", "Birch Forest Ocean", "Tall Birch Forest Ocean", "Savanna Ocean", "Rocky Dryland Ocean", "Savannic Wasteland Ocean", "Desert Ocean", "Baby Poplar Plains"},
2460       decoration = {"rp_default:clam"},
2461       y_min = 0,
2462       y_max = 1,
2463 })
2464
2465
2466 --[[ ORES ]]
2467
2468 -- Graphite ore
2469
2470 minetest.register_ore( -- Common above sea level mainly
2471    {
2472       ore_type       = "scatter",
2473       ore            = "rp_default:stone_with_graphite",
2474       wherein        = "rp_default:stone",
2475       clust_scarcity = 9*9*9,
2476       clust_num_ores = 8,
2477       clust_size     = 8,
2478       y_min          = -8,
2479       y_max          = 32,
2480 })
2481
2482 minetest.register_ore( -- Slight scattering deeper down
2483    {
2484       ore_type       = "scatter",
2485       ore            = "rp_default:stone_with_graphite",
2486       wherein        = "rp_default:stone",
2487       clust_scarcity = 13*13*13,
2488       clust_num_ores = 6,
2489       clust_size     = 8,
2490       y_min          = -31000,
2491       y_max          = -32,
2492 })
2493
2494 -- Coal ore
2495
2496 minetest.register_ore( -- Even distribution
2497    {
2498       ore_type       = "scatter",
2499       ore            = "rp_default:stone_with_coal",
2500       wherein        = "rp_default:stone",
2501       clust_scarcity = 10*10*10,
2502       clust_num_ores = 8,
2503       clust_size     = 4,
2504       y_min          = -31000,
2505       y_max          = 32,
2506 })
2507
2508 minetest.register_ore( -- Dense sheet
2509    {
2510       ore_type       = "scatter",
2511       ore            = "rp_default:stone_with_coal",
2512       wherein        = "rp_default:stone",
2513       clust_scarcity = 7*7*7,
2514       clust_num_ores = 10,
2515       clust_size     = 8,
2516       y_min          = -40,
2517       y_max          = -32,
2518 })
2519
2520 minetest.register_ore( -- Deep ore sheet
2521    {
2522       ore_type       = "scatter",
2523       ore            = "rp_default:stone_with_coal",
2524       wherein        = "rp_default:stone",
2525       clust_scarcity = 6*6*6,
2526       clust_num_ores = 26,
2527       clust_size     = 12,
2528       y_min          = -130,
2529       y_max          = -120,
2530 })
2531
2532 -- Iron ore
2533
2534 minetest.register_ore( -- Even distribution
2535    {
2536       ore_type       = "scatter",
2537       ore            = "rp_default:stone_with_iron",
2538       wherein        = "rp_default:stone",
2539       clust_scarcity = 12*12*12,
2540       clust_num_ores = 4,
2541       clust_size     = 3,
2542       y_min          = -31000,
2543       y_max          = -8,
2544 })
2545
2546 minetest.register_ore( -- Dense sheet
2547    {
2548       ore_type       = "scatter",
2549       ore            = "rp_default:stone_with_iron",
2550       wherein        = "rp_default:stone",
2551       clust_scarcity = 8*8*8,
2552       clust_num_ores = 20,
2553       clust_size     = 12,
2554       y_min          = -32,
2555       y_max          = -24,
2556 })
2557
2558 minetest.register_ore( -- Dense sheet
2559    {
2560       ore_type       = "scatter",
2561       ore            = "rp_default:stone_with_iron",
2562       wherein        = "rp_default:stone",
2563       clust_scarcity = 7*7*7,
2564       clust_num_ores = 17,
2565       clust_size     = 6,
2566       y_min          = -80,
2567       y_max          = -60,
2568 })
2569
2570 -- Tin ore
2571
2572 minetest.register_ore( -- Even distribution
2573    {
2574       ore_type       = "scatter",
2575       ore            = "rp_default:stone_with_tin",
2576       wherein        = "rp_default:stone",
2577       clust_scarcity = 14*14*14,
2578       clust_num_ores = 8,
2579       clust_size     = 4,
2580       y_min          = -31000,
2581       y_max          = -100,
2582 })
2583
2584 minetest.register_ore( -- Dense sheet
2585    {
2586       ore_type       = "scatter",
2587       ore            = "rp_default:stone_with_tin",
2588       wherein        = "rp_default:stone",
2589       clust_scarcity = 7*7*7,
2590       clust_num_ores = 10,
2591       clust_size     = 6,
2592       y_min          = -150,
2593       y_max          = -140,
2594 })
2595
2596 -- Copper ore
2597
2598 minetest.register_ore( -- Begin sheet
2599    {
2600       ore_type       = "scatter",
2601       ore            = "rp_default:stone_with_copper",
2602       wherein        = "rp_default:stone",
2603       clust_scarcity = 6*6*6,
2604       clust_num_ores = 12,
2605       clust_size     = 5,
2606       y_min          = -90,
2607       y_max          = -80,
2608 })
2609
2610 minetest.register_ore( -- Rare even distribution
2611    {
2612       ore_type       = "scatter",
2613       ore            = "rp_default:stone_with_copper",
2614       wherein        = "rp_default:stone",
2615       clust_scarcity = 13*13*13,
2616       clust_num_ores = 10,
2617       clust_size     = 5,
2618       y_min          = -31000,
2619       y_max          = -90,
2620 })
2621
2622 minetest.register_ore( -- Large clusters
2623    {
2624       ore_type       = "scatter",
2625       ore            = "rp_default:stone_with_copper",
2626       wherein        = "rp_default:stone",
2627       clust_scarcity = 8*8*8,
2628       clust_num_ores = 22,
2629       clust_size     = 10,
2630       y_min          = -230,
2631       y_max          = -180,
2632 })
2633
2634 -- Small gravel blobs
2635 minetest.register_ore({
2636         ore_type       = "blob",
2637         ore            = "rp_default:gravel",
2638         wherein        = "rp_default:stone",
2639         clust_scarcity = 10*10*10,
2640         clust_num_ores = 33,
2641         clust_size     = 4,
2642         y_min          = -31000,
2643         y_max          = 31000,
2644         noise_params   = {
2645                 offset  = 0,
2646                 scale   = 1,
2647                 spread  = {x=150, y=150, z=150},
2648                 seed    = 58943,
2649                 octaves = 3,
2650                 persist = 0.5,
2651                 lacunarity = 2,
2652                 flags = "defaults",
2653         },
2654 })
2655
2656 -- Small sand blobs
2657 minetest.register_ore({
2658         ore_type       = "blob",
2659         ore            = "rp_default:sand",
2660         wherein        = "rp_default:stone",
2661         clust_scarcity = 10*10*10,
2662         clust_num_ores = 40,
2663         clust_size     = 4,
2664         y_min          = -31000,
2665         y_max          = 31000,
2666         noise_params   = {
2667                 offset  = 0,
2668                 scale   = 1,
2669                 spread  = {x=150, y=150, z=150},
2670                 seed    = 38943,
2671                 octaves = 3,
2672                 persist = 0.5,
2673                 lacunarity = 2,
2674                 flags = "defaults",
2675         },
2676 })
2677
2678
2679 -- Dirt, Dry Dirt and Swamp Dirt blobs.
2680 -- These get generated depending on the biome.
2681 -- The following code is to generate the list
2682 -- of biomes that include either dirt, dry dirt or swamp dirt.
2683
2684 -- Returns a list of biomes that use the specified nodename
2685 -- as its dirt blob, by using the data from
2686 -- default.get_biome_info.
2687 -- * nodename: A name of the node (a dirt node)
2688 local get_dirt_biomes = function(nodename)
2689         local biomes = default.get_core_biomes()
2690         local out_biomes = {}
2691         for b=1, #biomes do
2692                 local biome_info = default.get_biome_info(biomes[b])
2693                 -- Add biome to list iff it uses the specified node as dirt blob
2694                 if biome_info.dirt_blob ~= nil and biome_info.dirt_blob == nodename then
2695                         table.insert(out_biomes, biomes[b])
2696                 end
2697         end
2698         return out_biomes
2699 end
2700
2701 local dirt_biomes = get_dirt_biomes("rp_default:dirt")
2702 local dry_dirt_biomes = get_dirt_biomes("rp_default:dry_dirt")
2703 local swamp_dirt_biomes = get_dirt_biomes("rp_default:swamp_dirt")
2704
2705 minetest.log("verbose", "[rp_default] List of builtin biomes with Dirt blobs: "..dump(dirt_biomes))
2706 minetest.log("verbose", "[rp_default] List of builtin biomes with Dry Dirt blobs: "..dump(dry_dirt_biomes))
2707 minetest.log("verbose", "[rp_default] List of builtin biomes with Swamp Dirt blobs: "..dump(swamp_dirt_biomes))
2708
2709 local np_dirtlike = {
2710         offset  = 0,
2711         scale   = 1,
2712         spread  = {x=150, y=150, z=150},
2713         seed    = 98943,
2714         octaves = 3,
2715         persist = 0.5,
2716         lacunarity = 2,
2717         flags = "defaults",
2718 }
2719
2720 minetest.register_ore({
2721         ore_type       = "blob",
2722         ore            = "rp_default:dirt",
2723         wherein        = "rp_default:stone",
2724         clust_scarcity = 10*10*10,
2725         clust_num_ores = 33,
2726         clust_size     = 4,
2727         y_min          = -31000,
2728         y_max          = 31000,
2729         biomes         = dirt_biomes,
2730         noise_params   = np_dirtlike,
2731 })
2732
2733 minetest.register_ore({
2734         ore_type       = "blob",
2735         ore            = "rp_default:dry_dirt",
2736         wherein        = "rp_default:stone",
2737         clust_scarcity = 10*10*10,
2738         clust_num_ores = 33,
2739         clust_size     = 4,
2740         y_min          = -31000,
2741         y_max          = 31000,
2742         biomes         = dry_dirt_biomes,
2743         noise_params   = np_dirtlike,
2744 })
2745
2746 minetest.register_ore({
2747         ore_type       = "blob",
2748         ore            = "rp_default:swamp_dirt",
2749         wherein        = "rp_default:stone",
2750         clust_scarcity = 10*10*10,
2751         clust_num_ores = 33,
2752         clust_size     = 4,
2753         y_min          = -31000,
2754         y_max          = 31000,
2755         biomes         = swamp_dirt_biomes,
2756         noise_params   = np_dirtlike,
2757 })
2758