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 = 24,
 142       humidity_point = 24,
 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 = 1,
 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       deco_type = "schematic",
 992       place_on = {"rp_default:dirt_with_grass"},
 993       sidelen = 16,
 994       fill_ratio = 0.004,
 995       biomes = {"Forest"},
 996       flags = "place_center_x, place_center_z",
 997       replacements = {
 998          ["default:leaves"] = "rp_default:leaves_birch",
 999          ["default:tree"] = "rp_default:tree_birch",
1000          ["default:apple"] = "air"
1001       },
1002       schematic = minetest.get_modpath("rp_default")
1003          .. "/schematics/default_squaretree.mts",
1004       y_min = -32000,
1005       y_max = 32000,
1006 })
1007
1008 minetest.register_decoration(
1009    {
1010       deco_type = "schematic",
1011       place_on = {"rp_default:dirt_with_grass"},
1012       sidelen = 16,
1013       fill_ratio = 0.015,
1014       biomes = {"Birch Forest"},
1015       flags = "place_center_x, place_center_z",
1016       replacements = {
1017          ["default:leaves"] = "rp_default:leaves_birch",
1018          ["default:tree"] = "rp_default:tree_birch",
1019          ["default:apple"] = "air"
1020       },
1021       schematic = minetest.get_modpath("rp_default")
1022          .. "/schematics/default_squaretree.mts",
1023       y_min = -32000,
1024       y_max = 32000,
1025 })
1026
1027 minetest.register_decoration(
1028    {
1029       deco_type = "schematic",
1030       place_on = {"rp_default:dirt_with_grass"},
1031       sidelen = 16,
1032       fill_ratio = 0.004,
1033       biomes = {"Dry Swamp"},
1034       flags = "place_center_x, place_center_z",
1035       replacements = {
1036          ["default:leaves"] = "rp_default:leaves_birch",
1037          ["default:tree"] = "rp_default:tree_birch",
1038          ["default:apple"] = "air"
1039       },
1040       schematic = minetest.get_modpath("rp_default")
1041          .. "/schematics/default_squaretree.mts",
1042       y_min = -32000,
1043       y_max = 32000,
1044 })
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 = 0.0001,
1053       biomes = {"Thorny Shrubs"},
1054       flags = "place_center_x, place_center_z",
1055       schematic = minetest.get_modpath("rp_default")
1056          .. "/schematics/default_appletree.mts",
1057       y_min = -32000,
1058       y_max = 32000,
1059 })
1060
1061
1062
1063 minetest.register_decoration(
1064    {
1065       deco_type = "schematic",
1066       place_on = {"rp_default:dirt_with_grass"},
1067       sidelen = 16,
1068       fill_ratio = 0.007,
1069       biomes = {"Orchard"},
1070       flags = "place_center_x, place_center_z",
1071       schematic = minetest.get_modpath("rp_default")
1072          .. "/schematics/default_appletree.mts",
1073       y_min = 10,
1074       y_max = 32000,
1075 })
1076
1077 minetest.register_decoration(
1078    {
1079       deco_type = "schematic",
1080       place_on = {"rp_default:dirt_with_grass"},
1081       sidelen = 16,
1082       fill_ratio = 0.009,
1083       biomes = {"Forest", "Deep Forest"},
1084       flags = "place_center_x, place_center_z",
1085       schematic = minetest.get_modpath("rp_default")
1086          .. "/schematics/default_appletree.mts",
1087       y_min = -32000,
1088       y_max = 32000,
1089 })
1090
1091 minetest.register_decoration(
1092    {
1093       deco_type = "schematic",
1094       place_on = {"rp_default:dirt_with_grass"},
1095       sidelen = 16,
1096       fill_ratio = 0.008,
1097       biomes = {"Forest"},
1098       flags = "place_center_x, place_center_z",
1099       schematic = minetest.get_modpath("rp_default")
1100          .. "/schematics/default_megatree.mts",
1101       y_min = -32000,
1102       y_max = 32000,
1103 })
1104
1105 minetest.register_decoration(
1106    {
1107       name = "rp_default:gigatree",
1108       deco_type = "schematic",
1109       place_on = {"rp_default:dirt_with_grass"},
1110       sidelen = 16,
1111       fill_ratio = 0.023,
1112       biomes = {"Deep Forest"},
1113       flags = "place_center_x, place_center_z",
1114       schematic = minetest.get_modpath("rp_default")
1115          .. "/schematics/default_gigatree.mts",
1116       y_min = -32000,
1117       y_max = 32000,
1118 })
1119
1120 minetest.register_decoration(
1121    {
1122       deco_type = "schematic",
1123       place_on = {"rp_default:dirt_with_grass"},
1124       sidelen = 16,
1125       fill_ratio = 0.0009,
1126       biomes = {"Oak Forest"},
1127       flags = "place_center_x, place_center_z",
1128       schematic = minetest.get_modpath("rp_default")
1129          .. "/schematics/rp_default_oak_tree_big_1.mts",
1130       y_min = 1,
1131       y_max = 32000,
1132 })
1133
1134 minetest.register_decoration(
1135    {
1136       deco_type = "schematic",
1137       place_on = {"rp_default:dirt_with_grass"},
1138       sidelen = 16,
1139       fill_ratio = 0.0045,
1140       biomes = {"Tall Oak Forest"},
1141       flags = "place_center_x, place_center_z",
1142       schematic = minetest.get_modpath("rp_default")
1143          .. "/schematics/rp_default_oak_tree_big_1.mts",
1144       y_min = 1,
1145       y_max = 32000,
1146 })
1147 minetest.register_decoration(
1148    {
1149       deco_type = "schematic",
1150       place_on = {"rp_default:dirt_with_grass"},
1151       sidelen = 16,
1152       fill_ratio = 0.0045,
1153       biomes = {"Tall Oak Forest"},
1154       flags = "place_center_x, place_center_z",
1155       schematic = minetest.get_modpath("rp_default")
1156          .. "/schematics/rp_default_oak_tree_big_2.mts",
1157       y_min = 1,
1158       y_max = 32000,
1159 })
1160
1161
1162 minetest.register_decoration(
1163    {
1164       deco_type = "schematic",
1165       place_on = {"rp_default:dirt_with_grass"},
1166       sidelen = 16,
1167       fill_ratio = 0.035,
1168       biomes = {"Dense Oak Forest"},
1169       flags = "place_center_x, place_center_z",
1170       schematic = minetest.get_modpath("rp_default")
1171          .. "/schematics/rp_default_oak_tree_big_1.mts",
1172       y_min = 1,
1173       y_max = 32000,
1174 })
1175 minetest.register_decoration(
1176    {
1177       deco_type = "schematic",
1178       place_on = {"rp_default:dirt_with_grass"},
1179       sidelen = 16,
1180       fill_ratio = 0.035,
1181       biomes = {"Dense Oak Forest"},
1182       flags = "place_center_x, place_center_z",
1183       schematic = minetest.get_modpath("rp_default")
1184          .. "/schematics/rp_default_oak_tree_big_2.mts",
1185       y_min = 1,
1186       y_max = 32000,
1187 })
1188
1189
1190
1191 minetest.register_decoration(
1192    {
1193       deco_type = "schematic",
1194       place_on = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt"},
1195       sidelen = 16,
1196       fill_ratio = 0.0008,
1197       biomes = {"Mixed Swamp", "Mixed Swamp Beach"},
1198       flags = "place_center_x, place_center_z",
1199       schematic = minetest.get_modpath("rp_default")
1200          .. "/schematics/rp_default_swamp_oak.mts",
1201       y_min = 0,
1202       y_max = 32000,
1203 })
1204
1205 minetest.register_decoration(
1206    {
1207       deco_type = "schematic",
1208       place_on = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt"},
1209       sidelen = 16,
1210       fill_ratio = 0.006,
1211       biomes = {"Swamp Forest", "Swamp Forest Beach"},
1212       flags = "place_center_x, place_center_z",
1213       schematic = minetest.get_modpath("rp_default")
1214          .. "/schematics/rp_default_swamp_oak.mts",
1215       y_min = 0,
1216       y_max = 32000,
1217 })
1218
1219 minetest.register_decoration(
1220    {
1221       deco_type = "schematic",
1222       place_on = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt", "rp_default:dirt"},
1223       sidelen = 16,
1224       fill_ratio = 0.0001,
1225       biomes = {"Swamp Forest", "Swamp Forest Beach"},
1226       flags = "place_center_x, place_center_z",
1227       schematic = minetest.get_modpath("rp_default")
1228          .. "/schematics/rp_default_swamp_birch.mts",
1229       y_min = 0,
1230       y_max = 32000,
1231 })
1232 minetest.register_decoration(
1233    {
1234       deco_type = "schematic",
1235       place_on = {"rp_default:dirt_with_swamp_grass", "rp_default:swamp_dirt", "rp_default:dirt"},
1236       sidelen = 16,
1237       fill_ratio = 0.003,
1238       biomes = {"Dry Swamp", "Dry Swamp Beach"},
1239       flags = "place_center_x, place_center_z",
1240       schematic = minetest.get_modpath("rp_default")
1241          .. "/schematics/rp_default_swamp_birch.mts",
1242       y_min = 0,
1243       y_max = 32000,
1244 })
1245
1246
1247
1248 local MYSTERY_FOREST_SPREAD = { x=500, y=500, z=500 }
1249 local MYSTERY_FOREST_OFFSET = 0.001
1250 local MYSTERY_FOREST_OFFSET_STAIRCASE = -0.001
1251 local MYSTERY_FOREST_OFFSET_APPLES = -0.0005
1252 local MYSTERY_FOREST_SCALE = 0.008
1253
1254 minetest.register_decoration(
1255    {
1256       deco_type = "schematic",
1257       place_on = {"rp_default:dirt_with_grass"},
1258       sidelen = 16,
1259       biomes = {"Mystery Forest"},
1260       flags = "place_center_x, place_center_z",
1261       schematic = minetest.get_modpath("rp_default")
1262          .. "/schematics/rp_default_staircase_tree.mts",
1263       y_min = 1,
1264       y_max = 32000,
1265       noise_params = {
1266               octaves = 2,
1267               scale = -MYSTERY_FOREST_SCALE,
1268               offset = MYSTERY_FOREST_OFFSET_STAIRCASE,
1269               spread = MYSTERY_FOREST_SPREAD,
1270               lacunarity = 2.0,
1271               persistence = 0.5,
1272               seed = 49204,
1273       },
1274 })
1275
1276 minetest.register_decoration(
1277    {
1278       deco_type = "schematic",
1279       place_on = {"rp_default:dirt_with_grass"},
1280       sidelen = 16,
1281       biomes = {"Mystery Forest"},
1282       flags = "place_center_x, place_center_z",
1283       schematic = minetest.get_modpath("rp_default")
1284          .. "/schematics/rp_default_layer_birch.mts",
1285       y_min = 1,
1286       y_max = 32000,
1287       noise_params = {
1288               octaves = 2,
1289               scale = MYSTERY_FOREST_SCALE,
1290               offset = MYSTERY_FOREST_OFFSET,
1291               spread = MYSTERY_FOREST_SPREAD,
1292               lacunarity = 2.0,
1293               persistence = 0.5,
1294               seed = 49204,
1295       },
1296 })
1297
1298 minetest.register_decoration(
1299    {
1300       deco_type = "schematic",
1301       place_on = {"rp_default:dirt_with_grass"},
1302       sidelen = 16,
1303       biomes = {"Mystery Forest"},
1304       flags = "place_center_x, place_center_z",
1305       schematic = minetest.get_modpath("rp_default")
1306          .. "/schematics/rp_default_telephone_tree.mts",
1307       y_min = 1,
1308       y_max = 32000,
1309       noise_params = {
1310               octaves = 2,
1311               scale = -MYSTERY_FOREST_SCALE,
1312               offset = MYSTERY_FOREST_OFFSET,
1313               spread = MYSTERY_FOREST_SPREAD,
1314               lacunarity = 2.0,
1315               persistence = 0.5,
1316               seed = 49204,
1317       },
1318 })
1319
1320 minetest.register_decoration(
1321    {
1322       deco_type = "schematic",
1323       place_on = {"rp_default:dirt_with_grass"},
1324       sidelen = 16,
1325       biomes = {"Mystery Forest"},
1326       flags = "place_center_x, place_center_z",
1327       schematic = minetest.get_modpath("rp_default")
1328          .. "/schematics/rp_default_telephone_tree_apples.mts",
1329       y_min = 1,
1330       y_max = 32000,
1331       noise_params = {
1332               octaves = 2,
1333               scale = -MYSTERY_FOREST_SCALE,
1334               offset = MYSTERY_FOREST_OFFSET_APPLES,
1335               spread = MYSTERY_FOREST_SPREAD,
1336               lacunarity = 2.0,
1337               persistence = 0.5,
1338               seed = 49204,
1339       },
1340 })
1341
1342
1343
1344
1345 minetest.register_decoration(
1346    {
1347       deco_type = "schematic",
1348       place_on = {"rp_default:dirt_with_grass"},
1349       sidelen = 16,
1350       biomes = {"Mystery Forest"},
1351       flags = "place_center_x, place_center_z",
1352       schematic = minetest.get_modpath("rp_default")
1353          .. "/schematics/rp_default_cross_birch.mts",
1354       y_min = 1,
1355       y_max = 32000,
1356       noise_params = {
1357               octaves = 2,
1358               scale = MYSTERY_FOREST_SCALE,
1359               offset = MYSTERY_FOREST_OFFSET,
1360               spread = MYSTERY_FOREST_SPREAD,
1361               lacunarity = 2.0,
1362               persistence = 0.5,
1363               seed = 49204,
1364       },
1365 })
1366
1367 minetest.register_decoration(
1368    {
1369       deco_type = "schematic",
1370       place_on = {"rp_default:dirt_with_grass"},
1371       sidelen = 16,
1372       biomes = {"Poplar Plains"},
1373       flags = "place_center_x, place_center_z",
1374       schematic = minetest.get_modpath("rp_default")
1375          .. "/schematics/rp_default_poplar_large.mts",
1376       y_min = 1,
1377       y_max = 32000,
1378       noise_params = {
1379               octaves = 2,
1380               scale = 0.01,
1381               offset = -0.004,
1382               spread = {x=50,y=50,z=50},
1383               lacunarity = 2.0,
1384               persistence = 0.5,
1385               seed = 94325,
1386       },
1387 })
1388 minetest.register_decoration(
1389    {
1390       deco_type = "schematic",
1391       place_on = {"rp_default:dirt_with_grass"},
1392       sidelen = 16,
1393       biomes = {"Poplar Plains"},
1394       flags = "place_center_x, place_center_z",
1395       schematic = minetest.get_modpath("rp_default")
1396          .. "/schematics/rp_default_poplar_small.mts",
1397       y_min = 1,
1398       y_max = 32000,
1399       noise_params = {
1400               octaves = 2,
1401               scale = 0.01,
1402               offset = -0.001,
1403               spread = {x=50,y=50,z=50},
1404               lacunarity = 2.0,
1405               persistence = 0.5,
1406               seed = 94325,
1407       },
1408 })
1409 minetest.register_decoration(
1410    {
1411       deco_type = "schematic",
1412       place_on = {"rp_default:dirt_with_grass"},
1413       fill_ratio = 0.0002,
1414       sidelen = 16,
1415       biomes = {"Poplar Plains"},
1416       flags = "place_center_x, place_center_z",
1417       schematic = minetest.get_modpath("rp_default")
1418          .. "/schematics/rp_default_poplar_small.mts",
1419       y_min = 1,
1420       y_max = 32000,
1421 })
1422
1423 -- Small poplar tree blobs
1424 minetest.register_decoration(
1425    {
1426       deco_type = "schematic",
1427       place_on = {"rp_default:dirt_with_grass"},
1428       sidelen = 8,
1429       biomes = {"Baby Poplar Plains"},
1430       flags = "place_center_x, place_center_z",
1431       schematic = minetest.get_modpath("rp_default")
1432          .. "/schematics/rp_default_poplar_small.mts",
1433       y_min = 1,
1434       y_max = 32000,
1435       noise_params = {
1436               octaves = 2,
1437               scale = 0.05,
1438               offset = -0.032,
1439               spread = {x=24,y=24,z=24},
1440               lacunarity = 2.0,
1441               persistence = 0.5,
1442               seed = 94325,
1443       },
1444 })
1445
1446 -- Occasional lonely poplars
1447 minetest.register_decoration(
1448    {
1449       deco_type = "schematic",
1450       place_on = {"rp_default:dirt_with_grass"},
1451       sidelen = 16,
1452       fill_ratio = 0.0002,
1453       biomes = {"Baby Poplar Plains"},
1454       flags = "place_center_x, place_center_z",
1455       schematic = minetest.get_modpath("rp_default")
1456          .. "/schematics/rp_default_poplar_small.mts",
1457       y_min = 1,
1458       y_max = 32000,
1459 })
1460
1461 minetest.register_decoration(
1462    {
1463       deco_type = "schematic",
1464       place_on = {"rp_default:dirt_with_grass"},
1465       sidelen = 16,
1466       biomes = {"Baby Poplar Plains"},
1467       flags = "place_center_x, place_center_z",
1468       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_bush.mts",
1469       y_min = 1,
1470       y_max = 32000,
1471       rotation = "0",
1472       noise_params = {
1473               octaves = 1,
1474               scale = 0.001,
1475               offset = -0.0000001,
1476               spread = { x = 50, y = 50, z = 50 },
1477               lacunarity = 2.0,
1478               persistence = 0.5,
1479               seed = 98421,
1480       },
1481 })
1482
1483 minetest.register_decoration(
1484    {
1485       deco_type = "schematic",
1486       place_on = {"rp_default:dirt_with_grass"},
1487       sidelen = 16,
1488       biomes = {"Thorny Shrubs"},
1489       flags = "place_center_x, place_center_z",
1490       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_bush.mts",
1491       y_min = 3,
1492       y_max = 32000,
1493       rotation = "0",
1494       noise_params = {
1495               octaves = 1,
1496               scale = -0.004,
1497               offset = 0.002,
1498               spread = { x = 82, y = 82, z = 82 },
1499               lacunarity = 2.0,
1500               persistence = 0.5,
1501               seed = 43905,
1502       },
1503 })
1504
1505 minetest.register_decoration(
1506    {
1507       deco_type = "schematic",
1508       place_on = {"rp_default:dirt_with_grass"},
1509       sidelen = 16,
1510       fill_ratio = 0.006,
1511       biomes = {"Shrubbery"},
1512       flags = "place_center_x, place_center_z",
1513       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_bush.mts",
1514       y_min = 1,
1515       y_max = 32000,
1516       rotation = "0",
1517 })
1518
1519
1520 minetest.register_decoration(
1521    {
1522       deco_type = "schematic",
1523       place_on = {"rp_default:dirt_with_grass"},
1524       sidelen = 16,
1525       fill_ratio = 0.004,
1526       biomes = {"Grove"},
1527       flags = "place_center_x, place_center_z",
1528       schematic = minetest.get_modpath("rp_default")
1529          .. "/schematics/default_talltree.mts",
1530       y_min = 0,
1531       y_max = 32000,
1532 })
1533
1534 minetest.register_decoration(
1535    {
1536       deco_type = "schematic",
1537       place_on = {"rp_default:dirt_with_grass"},
1538       sidelen = 16,
1539       fill_ratio = 0.015,
1540       biomes = {"Tall Birch Forest"},
1541       flags = "place_center_x, place_center_z",
1542       schematic = minetest.get_modpath("rp_default")
1543          .. "/schematics/rp_default_birch_tall.mts",
1544       y_min = -32000,
1545       y_max = 32000,
1546 })
1547
1548 minetest.register_decoration(
1549    {
1550       deco_type = "schematic",
1551       place_on = {"rp_default:dirt_with_grass"},
1552       sidelen = 16,
1553       fill_ratio = 0.004,
1554       biomes = {"Wilderness"},
1555       flags = "place_center_x, place_center_z",
1556       replacements = {
1557          ["default:apple"] = "air",
1558       },
1559       schematic = minetest.get_modpath("rp_default")
1560          .. "/schematics/default_appletree.mts",
1561       y_min = -32000,
1562       y_max = 32000,
1563 })
1564
1565 minetest.register_decoration(
1566    {
1567       deco_type = "schematic",
1568       place_on = {"rp_default:dirt_with_grass", "rp_default:dirt"},
1569       sidelen = 16,
1570       fill_ratio = 0.0001,
1571       biomes = {"Dry Swamp"},
1572       flags = "place_center_x, place_center_z",
1573       schematic = minetest.get_modpath("rp_default")
1574          .. "/schematics/default_appletree.mts",
1575       y_min = -32000,
1576       y_max = 32000,
1577 })
1578
1579 minetest.register_decoration(
1580    {
1581       deco_type = "schematic",
1582       place_on = {"rp_default:dirt_with_grass"},
1583       sidelen = 16,
1584       fill_ratio = 0.004,
1585       biomes = {"Wilderness"},
1586       flags = "place_center_x, place_center_z",
1587       schematic = minetest.get_modpath("rp_default")
1588          .. "/schematics/default_oaktree.mts",
1589       y_min = -32000,
1590       y_max = 32000,
1591 })
1592
1593
1594 minetest.register_decoration(
1595    {
1596       deco_type = "schematic",
1597       place_on = {"rp_default:dirt_with_grass"},
1598       sidelen = 16,
1599       fill_ratio = 0.001,
1600       biomes = {"Oak Shrubbery"},
1601       flags = "place_center_x, place_center_z",
1602       schematic = minetest.get_modpath("rp_default")
1603          .. "/schematics/default_oaktree.mts",
1604       y_min = 1,
1605       y_max = 32000,
1606 })
1607
1608 minetest.register_decoration(
1609    {
1610       deco_type = "schematic",
1611       place_on = {"rp_default:dirt_with_grass"},
1612       sidelen = 16,
1613       fill_ratio = 0.02,
1614       biomes = {"Dense Oak Forest"},
1615       flags = "place_center_x, place_center_z",
1616       schematic = minetest.get_modpath("rp_default")
1617          .. "/schematics/default_oaktree.mts",
1618       y_min = 1,
1619       y_max = 32000,
1620 })
1621
1622 minetest.register_decoration(
1623    {
1624       deco_type = "schematic",
1625       place_on = {"rp_default:dirt_with_grass"},
1626       sidelen = 16,
1627       fill_ratio = 0.0225,
1628       biomes = {"Oak Forest"},
1629       flags = "place_center_x, place_center_z",
1630       schematic = minetest.get_modpath("rp_default")
1631          .. "/schematics/default_oaktree.mts",
1632       y_min = 1,
1633       y_max = 32000,
1634 })
1635
1636 minetest.register_decoration(
1637    {
1638       deco_type = "schematic",
1639       place_on = {"rp_default:dirt_with_grass"},
1640       sidelen = 16,
1641       fill_ratio = 0.0015,
1642       biomes = {"Tall Oak Forest"},
1643       flags = "place_center_x, place_center_z",
1644       schematic = minetest.get_modpath("rp_default")
1645          .. "/schematics/default_oaktree.mts",
1646       y_min = 1,
1647       y_max = 32000,
1648 })
1649
1650
1651
1652 end
1653
1654 -- Cactus decorations
1655
1656 minetest.register_decoration(
1657    {
1658       deco_type = "schematic",
1659       place_on = {"rp_default:sand"},
1660       sidelen = 16,
1661       fill_ratio = 0.004,
1662       biomes = {"Desert"},
1663       flags = "place_center_x, place_center_z",
1664       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_cactus.mts",
1665       y_min = 10,
1666       y_max = 500,
1667       rotation = "random",
1668 })
1669
1670 -- Rock decorations
1671
1672 minetest.register_decoration(
1673    {
1674       deco_type = "schematic",
1675       place_on = {"rp_default:dry_dirt"},
1676       sidelen = 16,
1677       fill_ratio = 0.006,
1678       biomes = {"Wasteland"},
1679       flags = "place_center_x, place_center_z",
1680       schematic = minetest.get_modpath("rp_default")
1681          .. "/schematics/default_small_rock.mts",
1682       replacements = {["default:dirt"] = "rp_default:dry_dirt"},
1683       y_min = 1,
1684       y_max = 32000,
1685       rotation = "random",
1686 })
1687
1688 minetest.register_decoration(
1689    {
1690       deco_type = "schematic",
1691       place_on = {"rp_default:dry_dirt"},
1692       sidelen = 16,
1693       fill_ratio = 0.004,
1694       biomes = {"Wasteland"},
1695       flags = "place_center_x, place_center_z",
1696       schematic = minetest.get_modpath("rp_default")
1697          .. "/schematics/default_large_rock.mts",
1698       replacements = {["default:dirt"] = "rp_default:dry_dirt"},
1699       y_min = 1,
1700       y_max = 32000,
1701       rotation = "random",
1702 })
1703
1704 minetest.register_decoration(
1705    {
1706       deco_type = "schematic",
1707       place_on = {"rp_default:stone", "rp_default:dry_dirt"},
1708       sidelen = 16,
1709       fill_ratio = 0.003,
1710       biomes = {"Rocky Dryland"},
1711       flags = "place_center_x, place_center_z",
1712       schematic = minetest.get_modpath("rp_default")
1713          .. "/schematics/default_small_rock.mts",
1714       replacements = {["default:dirt"] = "rp_default:dry_dirt"},
1715       y_min = 1,
1716       y_max = 32000,
1717       rotation = "random",
1718 })
1719
1720 minetest.register_decoration(
1721    {
1722       deco_type = "schematic",
1723       place_on = {"rp_default:dry_dirt", "rp_default:dirt_with_dry_grass"},
1724       sidelen = 16,
1725       fill_ratio = 0.001,
1726       biomes = {"Savannic Wasteland"},
1727       flags = "place_center_x, place_center_z",
1728       schematic = minetest.get_modpath("rp_default")
1729          .. "/schematics/default_small_rock.mts",
1730       replacements = {["default:dirt"] = "rp_default:dry_dirt"},
1731       y_min = 1,
1732       y_max = 32000,
1733       rotation = "random",
1734 })
1735
1736
1737 -- Sulfur decorations
1738
1739 minetest.register_decoration(
1740    {
1741       deco_type = "simple",
1742       place_on = "rp_default:dry_dirt",
1743       sidelen = 16,
1744       fill_ratio = 0.005,
1745       biomes = {"Wasteland"},
1746       decoration = {"rp_default:stone_with_sulfur"},
1747       y_min = 2,
1748       y_max = 14,
1749 })
1750
1751 -- Tiny tree decorations
1752
1753 minetest.register_decoration(
1754    {
1755       deco_type = "schematic",
1756       place_on = {"rp_default:dry_dirt"},
1757       sidelen = 16,
1758       fill_ratio = 0.0001,
1759       biomes = {"Rocky Dryland"},
1760       flags = "place_center_x, place_center_z",
1761       schematic = minetest.get_modpath("rp_default")
1762          .. "/schematics/rp_default_tiny_birch.mts",
1763       y_min = 1,
1764       y_max = 32000,
1765 })
1766
1767 minetest.register_decoration(
1768    {
1769       deco_type = "schematic",
1770       place_on = {"rp_default:dry_dirt"},
1771       sidelen = 16,
1772       fill_ratio = 0.00025,
1773       biomes = {"Rocky Dryland"},
1774       flags = "place_center_x, place_center_z",
1775       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_tree_3layer.mts",
1776       y_min = 3,
1777       y_max = 32000,
1778 })
1779 minetest.register_decoration(
1780    {
1781       deco_type = "schematic",
1782       place_on = {"rp_default:dry_dirt"},
1783       sidelen = 16,
1784       fill_ratio = 0.00025,
1785       biomes = {"Rocky Dryland"},
1786       flags = "place_center_x, place_center_z",
1787       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_tree_2layer.mts",
1788       y_min = 3,
1789       y_max = 32000,
1790 })
1791 minetest.register_decoration(
1792    {
1793       deco_type = "schematic",
1794       place_on = {"rp_default:dry_dirt"},
1795       sidelen = 16,
1796       fill_ratio = 0.002,
1797       biomes = {"Rocky Dryland"},
1798       flags = "place_center_x, place_center_z",
1799       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_tiny_dry_tree.mts",
1800       y_min = 3,
1801       y_max = 32000,
1802 })
1803 minetest.register_decoration(
1804    {
1805       deco_type = "schematic",
1806       place_on = {"rp_default:dry_dirt"},
1807       sidelen = 16,
1808       fill_ratio = 0.0001,
1809       biomes = {"Rocky Dryland"},
1810       flags = "place_center_x, place_center_z",
1811       schematic = minetest.get_modpath("rp_default")
1812          .. "/schematics/rp_default_tiny_birch.mts",
1813       y_min = 1,
1814       y_max = 32000,
1815 })
1816
1817 minetest.register_decoration(
1818    {
1819       deco_type = "schematic",
1820       place_on = {"rp_default:dry_dirt"},
1821       sidelen = 16,
1822       fill_ratio = 0.00025,
1823       biomes = {"Rocky Dryland"},
1824       flags = "place_center_x, place_center_z",
1825       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_tree_3layer.mts",
1826       y_min = 3,
1827       y_max = 32000,
1828 })
1829 minetest.register_decoration(
1830    {
1831       deco_type = "schematic",
1832       place_on = {"rp_default:dry_dirt"},
1833       sidelen = 16,
1834       fill_ratio = 0.00025,
1835       biomes = {"Rocky Dryland"},
1836       flags = "place_center_x, place_center_z",
1837       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_dry_tree_2layer.mts",
1838       y_min = 3,
1839       y_max = 32000,
1840 })
1841 minetest.register_decoration(
1842    {
1843       deco_type = "schematic",
1844       place_on = {"rp_default:dry_dirt"},
1845       sidelen = 16,
1846       fill_ratio = 0.002,
1847       biomes = {"Rocky Dryland"},
1848       flags = "place_center_x, place_center_z",
1849       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_tiny_dry_tree.mts",
1850       y_min = 3,
1851       y_max = 32000,
1852 })
1853
1854 minetest.register_decoration(
1855    {
1856       deco_type = "schematic",
1857       place_on = {"rp_default:dry_dirt"},
1858       sidelen = 16,
1859       fill_ratio = 0.003,
1860       biomes = {"Wooded Dryland"},
1861       flags = "place_center_x, place_center_z",
1862       schematic = minetest.get_modpath("rp_default")
1863          .. "/schematics/rp_default_tiny_oak.mts",
1864       y_min = 1,
1865       y_max = 32000,
1866 })
1867
1868 minetest.register_decoration(
1869    {
1870       deco_type = "schematic",
1871       place_on = {"rp_default:dry_dirt"},
1872       sidelen = 16,
1873       fill_ratio = 0.001,
1874       biomes = {"Wooded Dryland"},
1875       flags = "place_center_x, place_center_z",
1876       schematic = minetest.get_modpath("rp_default")
1877          .. "/schematics/rp_default_tiny_birch.mts",
1878       y_min = 1,
1879       y_max = 32000,
1880 })
1881
1882
1883 minetest.register_decoration(
1884    {
1885       deco_type = "schematic",
1886       place_on = {"rp_default:dry_dirt"},
1887       sidelen = 16,
1888       fill_ratio = 0.0002,
1889       biomes = {"Savannic Wasteland"},
1890       flags = "place_center_x, place_center_z",
1891       schematic = minetest.get_modpath("rp_default") .. "/schematics/rp_default_tiny_dry_tree.mts",
1892       y_min = 3,
1893       y_max = 32000,
1894 })
1895
1896
1897
1898 -- Bush/shrub decorations
1899
1900 minetest.register_decoration(
1901    {
1902       deco_type = "schematic",
1903       place_on = {"rp_default:dirt_with_grass"},
1904       sidelen = 16,
1905       fill_ratio = 0.0075,
1906       biomes = {"Oak Shrubbery"},
1907       flags = "place_center_x, place_center_z",
1908       schematic = minetest.get_modpath("rp_default")
1909          .. "/schematics/rp_default_oak_bush_wide.mts",
1910       y_min = 1,
1911       y_max = 32000,
1912 })
1913
1914 minetest.register_decoration(
1915    {
1916       deco_type = "schematic",
1917       place_on = {"rp_default:dirt_with_grass"},
1918       sidelen = 16,
1919       fill_ratio = 0.03,
1920       biomes = {"Dense Oak Forest"},
1921       flags = "place_center_x, place_center_z",
1922       schematic = minetest.get_modpath("rp_default")
1923          .. "/schematics/rp_default_oak_bush_wide.mts",
1924       y_min = 1,
1925       y_max = 32000,
1926 })
1927
1928 minetest.register_decoration(
1929    {
1930       deco_type = "schematic",
1931       place_on = {"rp_default:dirt_with_grass"},
1932       sidelen = 16,
1933       fill_ratio = 0.001,
1934       biomes = {"Oak Forest"},
1935       flags = "place_center_x, place_center_z",
1936       schematic = minetest.get_modpath("rp_default")
1937          .. "/schematics/rp_default_oak_bush_wide.mts",
1938       y_min = 1,
1939       y_max = 32000,
1940 })
1941
1942 minetest.register_decoration(
1943    {
1944       deco_type = "schematic",
1945       place_on = {"rp_default:dirt_with_dry_grass"},
1946       sidelen = 16,
1947       fill_ratio = 0.005,
1948       biomes = {"Savanna", "Chaparral"},
1949       flags = "place_center_x, place_center_z",
1950       replacements = {["default:leaves"] = "rp_default:dry_leaves"},
1951       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_shrub.mts",
1952       y_min = 3,
1953       y_max = 32000,
1954       rotation = "0",
1955 })
1956
1957 minetest.register_decoration(
1958    {
1959       deco_type = "schematic",
1960       place_on = {"rp_default:dirt_with_dry_grass"},
1961       sidelen = 16,
1962       fill_ratio = 0.0025,
1963       biomes = {"Savannic Wasteland"},
1964       flags = "place_center_x, place_center_z",
1965       replacements = {["default:leaves"] = "rp_default:dry_leaves"},
1966       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_shrub.mts",
1967       y_min = 3,
1968       y_max = 32000,
1969       rotation = "0",
1970 })
1971
1972 minetest.register_decoration(
1973    {
1974       deco_type = "schematic",
1975       place_on = {"rp_default:dry_dirt"},
1976       sidelen = 16,
1977       fill_ratio = 0.001,
1978       biomes = {"Rocky Dryland", "Wooded Dryland"},
1979       flags = "place_center_x, place_center_z",
1980       replacements = {["default:leaves"] = "rp_default:dry_leaves"},
1981       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_shrub.mts",
1982       y_min = 3,
1983       y_max = 32000,
1984 })
1985
1986 minetest.register_decoration(
1987    {
1988       deco_type = "schematic",
1989       place_on = {"rp_default:dirt_with_dry_grass"},
1990       sidelen = 16,
1991       fill_ratio = 0.06,
1992       biomes = {"Chaparral"},
1993       flags = "place_center_x, place_center_z",
1994       replacements = {["default:leaves"] = "rp_default:dry_leaves"},
1995       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_dry_bush.mts",
1996       y_min = 0,
1997       y_max = 32000,
1998       rotation = "0",
1999 })
2000 minetest.register_decoration(
2001    {
2002       deco_type = "schematic",
2003       place_on = {"rp_default:dirt_with_grass"},
2004       sidelen = 16,
2005       biomes = {"Thorny Shrubs"},
2006       flags = "place_center_x, place_center_z",
2007       replacements = {["default:leaves"] = "rp_default:dry_leaves"},
2008       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_dry_bush.mts",
2009       y_min = 5,
2010       y_max = 32000,
2011       rotation = "0",
2012       noise_params = {
2013               octaves = 1,
2014               scale = -0.004,
2015               offset = -0.001,
2016               spread = { x = 82, y = 82, z = 82 },
2017               lacunarity = 2.0,
2018               persistence = 0.5,
2019               seed = 493421,
2020       },
2021 })
2022
2023
2024 minetest.register_decoration(
2025    {
2026       deco_type = "schematic",
2027       place_on = {"rp_default:dirt_with_grass"},
2028       sidelen = 16,
2029       fill_ratio = 0.0003,
2030       biomes = {"Oak Shrubbery"},
2031       flags = "place_center_x, place_center_z",
2032       schematic = minetest.get_modpath("rp_default")
2033          .. "/schematics/rp_default_normal_bush_small.mts",
2034       y_min = 1,
2035       y_max = 32000,
2036 })
2037
2038 minetest.register_decoration(
2039    {
2040       deco_type = "schematic",
2041       place_on = {"rp_default:dirt_with_grass"},
2042       sidelen = 16,
2043       fill_ratio = 0.006,
2044       biomes = {"Shrubbery"},
2045       flags = "place_center_x, place_center_z",
2046       schematic = minetest.get_modpath("rp_default")
2047          .. "/schematics/rp_default_normal_bush_small.mts",
2048       y_min = 1,
2049       y_max = 32000,
2050 })
2051
2052
2053
2054 minetest.register_decoration(
2055    {
2056       deco_type = "schematic",
2057       place_on = {"rp_default:dirt_with_grass"},
2058       sidelen = 16,
2059       fill_ratio = 0.004,
2060       biomes = {"Wilderness", "Grove"},
2061       flags = "place_center_x, place_center_z",
2062       schematic = minetest.get_modpath("rp_default") .. "/schematics/default_bush.mts",
2063       y_min = 3,
2064       y_max = 32000,
2065       rotation = "0",
2066 })
2067
2068 -- Thistle decorations
2069
2070 minetest.register_decoration(
2071    {
2072       deco_type = "simple",
2073       place_on = "rp_default:dirt_with_grass",
2074       sidelen = 16,
2075       fill_ratio = 0.024,
2076       biomes = {"Wilderness"},
2077       decoration = {"rp_default:thistle"},
2078       height = 2,
2079       y_min = -32000,
2080       y_max = 32000,
2081 })
2082 minetest.register_decoration(
2083    {
2084       deco_type = "simple",
2085       place_on = {"rp_default:dirt_with_grass", "rp_default:dry_dirt"},
2086       sidelen = 4,
2087       biomes = {"Thorny Shrubs"},
2088       decoration = {"rp_default:thistle"},
2089       height = 2,
2090       y_min = -32000,
2091       y_max = 32000,
2092       noise_params = {
2093               octaves = 2,
2094               scale = 1,
2095               offset = -0.5,
2096               spread = { x = 12, y = 12, z = 12 },
2097               lacunarity = 2.0,
2098               persistence = 0.5,
2099               seed = 43905,
2100       },
2101 })
2102 -- Papyrus decorations
2103
2104 -- Beach papyrus
2105 minetest.register_decoration(
2106    {
2107       deco_type = "simple",
2108       place_on = {"rp_default:sand", "rp_default:dirt", "rp_default:dirt_with_grass"},
2109       spawn_by = {"rp_default:water_source", "rp_default:water_flowing"},
2110       num_spawn_by = 1,
2111       sidelen = 16,
2112       fill_ratio = 0.08,
2113       biomes = {"Grassland Ocean", "Grassland", "Forest Ocean", "Forest", "Wilderness Ocean", "Wilderness", "Birch Forest Ocean", "Tall Birch Forest Ocean", "Marsh Beach"},
2114       decoration = {"rp_default:papyrus"},
2115       height = 2,
2116       y_max = 3,
2117       y_min = 0,
2118 })
2119
2120 -- Grassland papyrus
2121 minetest.register_decoration(
2122    {
2123       deco_type = "simple",
2124       place_on = {"rp_default:dirt_with_grass"},
2125       spawn_by = {"group:water"},
2126       num_spawn_by = 1,
2127       sidelen = 16,
2128       fill_ratio = 0.08,
2129       biomes = {"Grassland", "Marsh", "Forest", "Deep Forest", "Wilderness", "Baby Poplar Plains"},
2130       decoration = {"rp_default:papyrus"},
2131       height = 2,
2132       height_max = 3,
2133       y_max = 30,
2134       y_min = 4,
2135 })
2136
2137
2138 -- Swamp papyrus
2139 minetest.register_decoration(
2140    {
2141       deco_type = "simple",
2142       place_on = {"rp_default:swamp_dirt", "rp_default:dirt_with_swamp_grass"},
2143       spawn_by = {"group:water"},
2144       num_spawn_by = 1,
2145       sidelen = 16,
2146       fill_ratio = 0.30,
2147       biomes = {"Mixed Swamp"},
2148       decoration = {"rp_default:papyrus"},
2149       height = 3,
2150       height_max = 4,
2151       y_max = 31000,
2152       y_min = -100,
2153 })
2154
2155 minetest.register_decoration(
2156    {
2157       deco_type = "simple",
2158       place_on = {"rp_default:swamp_dirt", "rp_default:dirt_with_swamp_grass"},
2159       spawn_by = {"group:water"},
2160       num_spawn_by = 1,
2161       sidelen = 16,
2162       fill_ratio = 0.60,
2163       biomes = {"Papyrus Swamp"},
2164       decoration = {"rp_default:papyrus"},
2165       height = 4,
2166       height_max = 4,
2167       y_max = 31000,
2168       y_min = -100,
2169 })
2170
2171 -- Flower decorations
2172
2173 minetest.register_decoration(
2174    {
2175       deco_type = "simple",
2176       place_on = "rp_default:dirt_with_grass",
2177       sidelen = 16,
2178       fill_ratio = 0.04,
2179       biomes = {"Grassland", "Wilderness", "Orchard", "Baby Poplar Plains"},
2180       decoration = {"rp_default:flower"},
2181       y_min = -32000,
2182       y_max = 32000,
2183 })
2184
2185 -- Grass decorations
2186
2187 if mg_name ~= "v6" then
2188 minetest.register_decoration(
2189    {
2190       deco_type = "simple",
2191       place_on = "rp_default:dirt_with_grass",
2192       sidelen = 16,
2193       fill_ratio = 0.18,
2194       biomes = {"Grassland", "Orchard", "Swamp Meadow", "Baby Poplar Plains", "Poplar Plains", "Shrubbery", "Oak Shrubbery", "Thorny Shrubs", "Dry Swamp"},
2195       decoration = {"rp_default:grass"},
2196       y_min = 10,
2197       y_max = 32000,
2198 })
2199 end
2200
2201 minetest.register_decoration(
2202    {
2203       deco_type = "simple",
2204       place_on = "rp_default:dirt_with_swamp_grass",
2205       sidelen = 16,
2206       fill_ratio = 0.04,
2207       biomes = {"Mixed Swamp", "Dry Swamp", "Swamp Meadow", "Swamp Papyrus", "Swamp Forest"},
2208       decoration = {"rp_default:swamp_grass"},
2209       y_min = 2,
2210       y_max = 40,
2211 })
2212
2213 minetest.register_decoration(
2214    {
2215       deco_type = "simple",
2216       place_on = "rp_default:dirt_with_dry_grass",
2217       sidelen = 16,
2218       fill_ratio = 0.07,
2219       biomes = {"Desert", "Savanna", "Chaparral", "Savannic Wasteland"},
2220       decoration = {"rp_default:dry_grass"},
2221       y_min = 10,
2222       y_max = 500,
2223 })
2224
2225 if mg_name ~= "v6" then
2226 minetest.register_decoration(
2227    {
2228       deco_type = "simple",
2229       place_on = "rp_default:dirt_with_grass",
2230       sidelen = 16,
2231       fill_ratio = 0.08,
2232       biomes = {"Forest", "Deep Forest", "Birch Forest", "Tall Birch Forest", "Oak Forest", "Dense Oak Forest", "Tall Oak Forest", "Mystery Forest"},
2233       decoration = {"rp_default:grass"},
2234       y_min = 0,
2235       y_max = 32000,
2236 })
2237
2238 minetest.register_decoration(
2239    {
2240       deco_type = "simple",
2241       place_on = "rp_default:dirt_with_grass",
2242       sidelen = 16,
2243       fill_ratio = 0.08,
2244       biomes = {"Forest", "Marsh", "Grove", "Shrubbery", "Oak Shrubbery"},
2245       decoration = {"rp_default:tall_grass"},
2246       y_min = 0,
2247       y_max = 32000,
2248 })
2249
2250 minetest.register_decoration(
2251    {
2252       deco_type = "simple",
2253       place_on = "rp_default:dirt_with_grass",
2254       sidelen = 16,
2255       fill_ratio = 0.15,
2256       biomes = {"Deep Forest", "Tall Oak Forest"},
2257       decoration = {"rp_default:tall_grass"},
2258       y_min = 0,
2259       y_max = 32000,
2260 })
2261
2262 minetest.register_decoration(
2263    {
2264       deco_type = "simple",
2265       place_on = "rp_default:dirt_with_grass",
2266       sidelen = 16,
2267       fill_ratio = 0.05,
2268       biomes = {"Thorny Shrubs"},
2269       decoration = {"rp_default:tall_grass"},
2270       y_min = 0,
2271       y_max = 32000,
2272 })
2273 minetest.register_decoration(
2274    {
2275       deco_type = "simple",
2276       place_on = "rp_default:dirt_with_grass",
2277       sidelen = 16,
2278       fill_ratio = 0.1,
2279       biomes = {"Thorny Shrubs"},
2280       decoration = {"rp_default:grass"},
2281       y_min = 0,
2282       y_max = 32000,
2283 })
2284
2285 end
2286
2287 minetest.register_decoration(
2288    {
2289       deco_type = "simple",
2290       place_on = "rp_default:dirt_with_grass",
2291       sidelen = 16,
2292       fill_ratio = 0.16,
2293       biomes = {"Wilderness", "Thorny Shrubs"},
2294       decoration = {"rp_default:grass"},
2295       y_min = -32000,
2296       y_max = 32000,
2297 })
2298
2299 minetest.register_decoration(
2300    {
2301       deco_type = "simple",
2302       place_on = "rp_default:dirt_with_grass",
2303       sidelen = 16,
2304       fill_ratio = 0.12,
2305       biomes = {"Wilderness", "Thorny Shrubs"},
2306       decoration = {"rp_default:tall_grass"},
2307       y_min = -32000,
2308       y_max = 32000,
2309 })
2310
2311 -- Fern decorations
2312
2313 minetest.register_decoration(
2314    {
2315       deco_type = "simple",
2316       place_on = "rp_default:dirt_with_grass",
2317       sidelen = 16,
2318       fill_ratio = 0.02,
2319       biomes = {"Wilderness", "Grove", "Tall Oak Forest", "Mystery Forest"},
2320       decoration = {"rp_default:fern"},
2321       y_min = -32000,
2322       y_max = 32000,
2323 })
2324
2325 -- Clam decorations
2326
2327 minetest.register_decoration(
2328    {
2329       deco_type = "simple",
2330       place_on = {"rp_default:sand", "rp_default:gravel"},
2331       sidelen = 16,
2332       fill_ratio = 0.02,
2333       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"},
2334       decoration = {"rp_default:clam"},
2335       y_min = 0,
2336       y_max = 1,
2337 })
2338
2339
2340 --[[ ORES ]]
2341
2342 -- Graphite ore
2343
2344 minetest.register_ore( -- Common above sea level mainly
2345    {
2346       ore_type       = "scatter",
2347       ore            = "rp_default:stone_with_graphite",
2348       wherein        = "rp_default:stone",
2349       clust_scarcity = 9*9*9,
2350       clust_num_ores = 8,
2351       clust_size     = 8,
2352       y_min          = -8,
2353       y_max          = 32,
2354 })
2355
2356 minetest.register_ore( -- Slight scattering deeper down
2357    {
2358       ore_type       = "scatter",
2359       ore            = "rp_default:stone_with_graphite",
2360       wherein        = "rp_default:stone",
2361       clust_scarcity = 13*13*13,
2362       clust_num_ores = 6,
2363       clust_size     = 8,
2364       y_min          = -31000,
2365       y_max          = -32,
2366 })
2367
2368 -- Coal ore
2369
2370 minetest.register_ore( -- Even distribution
2371    {
2372       ore_type       = "scatter",
2373       ore            = "rp_default:stone_with_coal",
2374       wherein        = "rp_default:stone",
2375       clust_scarcity = 10*10*10,
2376       clust_num_ores = 8,
2377       clust_size     = 4,
2378       y_min          = -31000,
2379       y_max          = 32,
2380 })
2381
2382 minetest.register_ore( -- Dense sheet
2383    {
2384       ore_type       = "scatter",
2385       ore            = "rp_default:stone_with_coal",
2386       wherein        = "rp_default:stone",
2387       clust_scarcity = 7*7*7,
2388       clust_num_ores = 10,
2389       clust_size     = 8,
2390       y_min          = -40,
2391       y_max          = -32,
2392 })
2393
2394 minetest.register_ore( -- Deep ore sheet
2395    {
2396       ore_type       = "scatter",
2397       ore            = "rp_default:stone_with_coal",
2398       wherein        = "rp_default:stone",
2399       clust_scarcity = 6*6*6,
2400       clust_num_ores = 26,
2401       clust_size     = 12,
2402       y_min          = -130,
2403       y_max          = -120,
2404 })
2405
2406 -- Iron ore
2407
2408 minetest.register_ore( -- Even distribution
2409    {
2410       ore_type       = "scatter",
2411       ore            = "rp_default:stone_with_iron",
2412       wherein        = "rp_default:stone",
2413       clust_scarcity = 12*12*12,
2414       clust_num_ores = 4,
2415       clust_size     = 3,
2416       y_min          = -31000,
2417       y_max          = -8,
2418 })
2419
2420 minetest.register_ore( -- Dense sheet
2421    {
2422       ore_type       = "scatter",
2423       ore            = "rp_default:stone_with_iron",
2424       wherein        = "rp_default:stone",
2425       clust_scarcity = 8*8*8,
2426       clust_num_ores = 20,
2427       clust_size     = 12,
2428       y_min          = -32,
2429       y_max          = -24,
2430 })
2431
2432 minetest.register_ore( -- Dense sheet
2433    {
2434       ore_type       = "scatter",
2435       ore            = "rp_default:stone_with_iron",
2436       wherein        = "rp_default:stone",
2437       clust_scarcity = 7*7*7,
2438       clust_num_ores = 17,
2439       clust_size     = 6,
2440       y_min          = -80,
2441       y_max          = -60,
2442 })
2443
2444 -- Tin ore
2445
2446 minetest.register_ore( -- Even distribution
2447    {
2448       ore_type       = "scatter",
2449       ore            = "rp_default:stone_with_tin",
2450       wherein        = "rp_default:stone",
2451       clust_scarcity = 14*14*14,
2452       clust_num_ores = 8,
2453       clust_size     = 4,
2454       y_min          = -31000,
2455       y_max          = -100,
2456 })
2457
2458 minetest.register_ore( -- Dense sheet
2459    {
2460       ore_type       = "scatter",
2461       ore            = "rp_default:stone_with_tin",
2462       wherein        = "rp_default:stone",
2463       clust_scarcity = 7*7*7,
2464       clust_num_ores = 10,
2465       clust_size     = 6,
2466       y_min          = -150,
2467       y_max          = -140,
2468 })
2469
2470 -- Copper ore
2471
2472 minetest.register_ore( -- Begin sheet
2473    {
2474       ore_type       = "scatter",
2475       ore            = "rp_default:stone_with_copper",
2476       wherein        = "rp_default:stone",
2477       clust_scarcity = 6*6*6,
2478       clust_num_ores = 12,
2479       clust_size     = 5,
2480       y_min          = -90,
2481       y_max          = -80,
2482 })
2483
2484 minetest.register_ore( -- Rare even distribution
2485    {
2486       ore_type       = "scatter",
2487       ore            = "rp_default:stone_with_copper",
2488       wherein        = "rp_default:stone",
2489       clust_scarcity = 13*13*13,
2490       clust_num_ores = 10,
2491       clust_size     = 5,
2492       y_min          = -31000,
2493       y_max          = -90,
2494 })
2495
2496 minetest.register_ore( -- Large clusters
2497    {
2498       ore_type       = "scatter",
2499       ore            = "rp_default:stone_with_copper",
2500       wherein        = "rp_default:stone",
2501       clust_scarcity = 8*8*8,
2502       clust_num_ores = 22,
2503       clust_size     = 10,
2504       y_min          = -230,
2505       y_max          = -180,
2506 })
2507
2508 -- Small gravel blobs
2509 minetest.register_ore({
2510         ore_type       = "blob",
2511         ore            = "rp_default:gravel",
2512         wherein        = "rp_default:stone",
2513         clust_scarcity = 10*10*10,
2514         clust_num_ores = 33,
2515         clust_size     = 4,
2516         y_min          = -31000,
2517         y_max          = 31000,
2518         noise_params   = {
2519                 offset  = 0,
2520                 scale   = 1,
2521                 spread  = {x=150, y=150, z=150},
2522                 seed    = 58943,
2523                 octaves = 3,
2524                 persist = 0.5,
2525                 lacunarity = 2,
2526                 flags = "defaults",
2527         },
2528 })
2529
2530 -- Small sand blobs
2531 minetest.register_ore({
2532         ore_type       = "blob",
2533         ore            = "rp_default:sand",
2534         wherein        = "rp_default:stone",
2535         clust_scarcity = 10*10*10,
2536         clust_num_ores = 40,
2537         clust_size     = 4,
2538         y_min          = -31000,
2539         y_max          = 31000,
2540         noise_params   = {
2541                 offset  = 0,
2542                 scale   = 1,
2543                 spread  = {x=150, y=150, z=150},
2544                 seed    = 38943,
2545                 octaves = 3,
2546                 persist = 0.5,
2547                 lacunarity = 2,
2548                 flags = "defaults",
2549         },
2550 })
2551
2552
2553 -- Dirt, Dry Dirt and Swamp Dirt blobs.
2554 -- These get generated depending on the biome.
2555 -- The following code is to generate the list
2556 -- of biomes that include either dirt, dry dirt or swamp dirt.
2557
2558 -- Returns a list of biomes that use the specified nodename
2559 -- as its dirt blob, by using the data from
2560 -- default.get_biome_info.
2561 -- * nodename: A name of the node (a dirt node)
2562 local get_dirt_biomes = function(nodename)
2563         local biomes = default.get_core_biomes()
2564         local out_biomes = {}
2565         for b=1, #biomes do
2566                 local biome_info = default.get_biome_info(biomes[b])
2567                 -- Add biome to list iff it uses the specified node as dirt blob
2568                 if biome_info.dirt_blob ~= nil and biome_info.dirt_blob == nodename then
2569                         table.insert(out_biomes, biomes[b])
2570                 end
2571         end
2572         return out_biomes
2573 end
2574
2575 local dirt_biomes = get_dirt_biomes("rp_default:dirt")
2576 local dry_dirt_biomes = get_dirt_biomes("rp_default:dry_dirt")
2577 local swamp_dirt_biomes = get_dirt_biomes("rp_default:swamp_dirt")
2578
2579 minetest.log("verbose", "[rp_default] List of builtin biomes with Dirt blobs: "..dump(dirt_biomes))
2580 minetest.log("verbose", "[rp_default] List of builtin biomes with Dry Dirt blobs: "..dump(dry_dirt_biomes))
2581 minetest.log("verbose", "[rp_default] List of builtin biomes with Swamp Dirt blobs: "..dump(swamp_dirt_biomes))
2582
2583 local np_dirtlike = {
2584         offset  = 0,
2585         scale   = 1,
2586         spread  = {x=150, y=150, z=150},
2587         seed    = 98943,
2588         octaves = 3,
2589         persist = 0.5,
2590         lacunarity = 2,
2591         flags = "defaults",
2592 }
2593
2594 minetest.register_ore({
2595         ore_type       = "blob",
2596         ore            = "rp_default:dirt",
2597         wherein        = "rp_default:stone",
2598         clust_scarcity = 10*10*10,
2599         clust_num_ores = 33,
2600         clust_size     = 4,
2601         y_min          = -31000,
2602         y_max          = 31000,
2603         biomes         = dirt_biomes,
2604         noise_params   = np_dirtlike,
2605 })
2606
2607 minetest.register_ore({
2608         ore_type       = "blob",
2609         ore            = "rp_default:dry_dirt",
2610         wherein        = "rp_default:stone",
2611         clust_scarcity = 10*10*10,
2612         clust_num_ores = 33,
2613         clust_size     = 4,
2614         y_min          = -31000,
2615         y_max          = 31000,
2616         biomes         = dry_dirt_biomes,
2617         noise_params   = np_dirtlike,
2618 })
2619
2620 minetest.register_ore({
2621         ore_type       = "blob",
2622         ore            = "rp_default:swamp_dirt",
2623         wherein        = "rp_default:stone",
2624         clust_scarcity = 10*10*10,
2625         clust_num_ores = 33,
2626         clust_size     = 4,
2627         y_min          = -31000,
2628         y_max          = 31000,
2629         biomes         = swamp_dirt_biomes,
2630         noise_params   = np_dirtlike,
2631 })
2632