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