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