mods/default/mapgen.lua

   1 --
   2 -- Aliases for map generators
   3 --
   4
   5 minetest.register_alias("mapgen_stone", "default:stone")
   6 minetest.register_alias("mapgen_dirt", "default:dirt")
   7 minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
   8 minetest.register_alias("mapgen_sand", "default:sand")
   9 minetest.register_alias("mapgen_water_source", "default:water_source")
  10 minetest.register_alias("mapgen_river_water_source", "default:river_water_source")
  11 minetest.register_alias("mapgen_lava_source", "default:lava_source")
  12 minetest.register_alias("mapgen_gravel", "default:gravel")
  13 minetest.register_alias("mapgen_desert_stone", "default:desert_stone")
  14 minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
  15 minetest.register_alias("mapgen_dirt_with_snow", "default:dirt_with_snow")
  16 minetest.register_alias("mapgen_snowblock", "default:snowblock")
  17 minetest.register_alias("mapgen_snow", "default:snow")
  18 minetest.register_alias("mapgen_ice", "default:ice")
  19 minetest.register_alias("mapgen_sandstone", "default:sandstone")
  20
  21 -- Flora
  22
  23 minetest.register_alias("mapgen_tree", "default:tree")
  24 minetest.register_alias("mapgen_leaves", "default:leaves")
  25 minetest.register_alias("mapgen_apple", "default:apple")
  26 minetest.register_alias("mapgen_jungletree", "default:jungletree")
  27 minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves")
  28 minetest.register_alias("mapgen_junglegrass", "default:junglegrass")
  29 minetest.register_alias("mapgen_pine_tree", "default:pine_tree")
  30 minetest.register_alias("mapgen_pine_needles", "default:pine_needles")
  31
  32 -- Dungeons
  33
  34 minetest.register_alias("mapgen_cobble", "default:cobble")
  35 minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
  36 minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
  37 minetest.register_alias("mapgen_stair_desert_stone", "stairs:stair_desert_stone")
  38 minetest.register_alias("mapgen_sandstonebrick", "default:sandstonebrick")
  39 minetest.register_alias("mapgen_stair_sandstonebrick", "stairs:stair_sandstonebrick")
  40
  41
  42 --
  43 -- Register ores
  44 --
  45
  46 -- Blob ores
  47 -- These first to avoid other ores in blobs
  48
  49 -- Mgv6
  50
  51 function default.register_mgv6_blob_ores()
  52
  53         -- Clay
  54         -- This first to avoid clay in sand blobs
  55
  56         minetest.register_ore({
  57                 ore_type        = "blob",
  58                 ore             = "default:clay",
  59                 wherein         = {"default:sand"},
  60                 clust_scarcity  = 16 * 16 * 16,
  61                 clust_size      = 5,
  62                 y_min           = -15,
  63                 y_max           = 0,
  64                 noise_threshold = 0.0,
  65                 noise_params    = {
  66                         offset = 0.5,
  67                         scale = 0.2,
  68                         spread = {x = 5, y = 5, z = 5},
  69                         seed = -316,
  70                         octaves = 1,
  71                         persist = 0.0
  72                 },
  73         })
  74
  75         -- Sand
  76
  77         minetest.register_ore({
  78                 ore_type        = "blob",
  79                 ore             = "default:sand",
  80                 wherein         = {"default:stone", "default:desert_stone"},
  81                 clust_scarcity  = 16 * 16 * 16,
  82                 clust_size      = 5,
  83                 y_min           = -31,
  84                 y_max           = 0,
  85                 noise_threshold = 0.0,
  86                 noise_params    = {
  87                         offset = 0.5,
  88                         scale = 0.2,
  89                         spread = {x = 5, y = 5, z = 5},
  90                         seed = 2316,
  91                         octaves = 1,
  92                         persist = 0.0
  93                 },
  94         })
  95
  96         -- Dirt
  97
  98         minetest.register_ore({
  99                 ore_type        = "blob",
 100                 ore             = "default:dirt",
 101                 wherein         = {"default:stone"},
 102                 clust_scarcity  = 16 * 16 * 16,
 103                 clust_size      = 5,
 104                 y_min           = -31,
 105                 y_max           = 31000,
 106                 noise_threshold = 0.0,
 107                 noise_params    = {
 108                         offset = 0.5,
 109                         scale = 0.2,
 110                         spread = {x = 5, y = 5, z = 5},
 111                         seed = 17676,
 112                         octaves = 1,
 113                         persist = 0.0
 114                 },
 115         })
 116
 117         -- Gravel
 118
 119         minetest.register_ore({
 120                 ore_type        = "blob",
 121                 ore             = "default:gravel",
 122                 wherein         = {"default:stone"},
 123                 clust_scarcity  = 16 * 16 * 16,
 124                 clust_size      = 5,
 125                 y_min           = -31000,
 126                 y_max           = 31000,
 127                 noise_threshold = 0.0,
 128                 noise_params    = {
 129                         offset = 0.5,
 130                         scale = 0.2,
 131                         spread = {x = 5, y = 5, z = 5},
 132                         seed = 766,
 133                         octaves = 1,
 134                         persist = 0.0
 135                 },
 136         })
 137 end
 138
 139
 140 -- All mapgens except mgv6
 141
 142 function default.register_blob_ores()
 143
 144         -- Clay
 145
 146         minetest.register_ore({
 147                 ore_type        = "blob",
 148                 ore             = "default:clay",
 149                 wherein         = {"default:sand"},
 150                 clust_scarcity  = 16 * 16 * 16,
 151                 clust_size      = 5,
 152                 y_min           = -15,
 153                 y_max           = 0,
 154                 noise_threshold = 0.0,
 155                 noise_params    = {
 156                         offset = 0.5,
 157                         scale = 0.2,
 158                         spread = {x = 5, y = 5, z = 5},
 159                         seed = -316,
 160                         octaves = 1,
 161                         persist = 0.0
 162                 },
 163         })
 164
 165         -- Silver sand
 166
 167         minetest.register_ore({
 168                 ore_type        = "blob",
 169                 ore             = "default:silver_sand",
 170                 wherein         = {"default:stone"},
 171                 clust_scarcity  = 16 * 16 * 16,
 172                 clust_size      = 5,
 173                 y_min           = -31000,
 174                 y_max           = 31000,
 175                 noise_threshold = 0.0,
 176                 noise_params    = {
 177                         offset = 0.5,
 178                         scale = 0.2,
 179                         spread = {x = 5, y = 5, z = 5},
 180                         seed = 2316,
 181                         octaves = 1,
 182                         persist = 0.0
 183                 },
 184                 biomes = {"icesheet_ocean", "tundra", "tundra_beach", "tundra_ocean",
 185                         "taiga", "taiga_ocean", "snowy_grassland", "snowy_grassland_ocean",
 186                         "grassland", "grassland_dunes", "grassland_ocean", "coniferous_forest",
 187                         "coniferous_forest_dunes", "coniferous_forest_ocean", "deciduous_forest",
 188                         "deciduous_forest_shore", "deciduous_forest_ocean", "cold_desert",
 189                         "cold_desert_ocean", "savanna", "savanna_shore", "savanna_ocean",
 190                         "rainforest", "rainforest_swamp", "rainforest_ocean", "underground"}
 191         })
 192
 193         -- Dirt
 194
 195         minetest.register_ore({
 196                 ore_type        = "blob",
 197                 ore             = "default:dirt",
 198                 wherein         = {"default:stone"},
 199                 clust_scarcity  = 16 * 16 * 16,
 200                 clust_size      = 5,
 201                 y_min           = -31,
 202                 y_max           = 31000,
 203                 noise_threshold = 0.0,
 204                 noise_params    = {
 205                         offset = 0.5,
 206                         scale = 0.2,
 207                         spread = {x = 5, y = 5, z = 5},
 208                         seed = 17676,
 209                         octaves = 1,
 210                         persist = 0.0
 211                 },
 212                 biomes = {"taiga", "snowy_grassland", "grassland", "coniferous_forest",
 213                         "deciduous_forest", "deciduous_forest_shore", "savanna", "savanna_shore",
 214                         "rainforest", "rainforest_swamp"}
 215         })
 216
 217         -- Gravel
 218
 219         minetest.register_ore({
 220                 ore_type        = "blob",
 221                 ore             = "default:gravel",
 222                 wherein         = {"default:stone"},
 223                 clust_scarcity  = 16 * 16 * 16,
 224                 clust_size      = 5,
 225                 y_min           = -31000,
 226                 y_max           = 31000,
 227                 noise_threshold = 0.0,
 228                 noise_params    = {
 229                         offset = 0.5,
 230                         scale = 0.2,
 231                         spread = {x = 5, y = 5, z = 5},
 232                         seed = 766,
 233                         octaves = 1,
 234                         persist = 0.0
 235                 },
 236                 biomes = {"icesheet_ocean", "tundra", "tundra_beach", "tundra_ocean",
 237                         "taiga", "taiga_ocean", "snowy_grassland", "snowy_grassland_ocean",
 238                         "grassland", "grassland_dunes", "grassland_ocean", "coniferous_forest",
 239                         "coniferous_forest_dunes", "coniferous_forest_ocean", "deciduous_forest",
 240                         "deciduous_forest_shore", "deciduous_forest_ocean", "cold_desert",
 241                         "cold_desert_ocean", "savanna", "savanna_shore", "savanna_ocean",
 242                         "rainforest", "rainforest_swamp", "rainforest_ocean", "underground"}
 243         })
 244 end
 245
 246
 247 -- Scatter ores
 248 -- All mapgens
 249
 250 function default.register_ores()
 251
 252         -- Coal
 253
 254         minetest.register_ore({
 255                 ore_type       = "scatter",
 256                 ore            = "default:stone_with_coal",
 257                 wherein        = "default:stone",
 258                 clust_scarcity = 8 * 8 * 8,
 259                 clust_num_ores = 9,
 260                 clust_size     = 3,
 261                 y_min          = 1025,
 262                 y_max          = 31000,
 263         })
 264
 265         minetest.register_ore({
 266                 ore_type       = "scatter",
 267                 ore            = "default:stone_with_coal",
 268                 wherein        = "default:stone",
 269                 clust_scarcity = 8 * 8 * 8,
 270                 clust_num_ores = 8,
 271                 clust_size     = 3,
 272                 y_min          = -31000,
 273                 y_max          = 64,
 274         })
 275
 276         minetest.register_ore({
 277                 ore_type       = "scatter",
 278                 ore            = "default:stone_with_coal",
 279                 wherein        = "default:stone",
 280                 clust_scarcity = 24 * 24 * 24,
 281                 clust_num_ores = 27,
 282                 clust_size     = 6,
 283                 y_min          = -31000,
 284                 y_max          = 0,
 285         })
 286
 287         -- Iron
 288
 289         minetest.register_ore({
 290                 ore_type       = "scatter",
 291                 ore            = "default:stone_with_iron",
 292                 wherein        = "default:stone",
 293                 clust_scarcity = 9 * 9 * 9,
 294                 clust_num_ores = 12,
 295                 clust_size     = 3,
 296                 y_min          = 1025,
 297                 y_max          = 31000,
 298         })
 299
 300         minetest.register_ore({
 301                 ore_type       = "scatter",
 302                 ore            = "default:stone_with_iron",
 303                 wherein        = "default:stone",
 304                 clust_scarcity = 7 * 7 * 7,
 305                 clust_num_ores = 5,
 306                 clust_size     = 3,
 307                 y_min          = -31000,
 308                 y_max          = 0,
 309         })
 310
 311         minetest.register_ore({
 312                 ore_type       = "scatter",
 313                 ore            = "default:stone_with_iron",
 314                 wherein        = "default:stone",
 315                 clust_scarcity = 24 * 24 * 24,
 316                 clust_num_ores = 27,
 317                 clust_size     = 6,
 318                 y_min          = -31000,
 319                 y_max          = -64,
 320         })
 321
 322         -- Copper
 323
 324         minetest.register_ore({
 325                 ore_type       = "scatter",
 326                 ore            = "default:stone_with_copper",
 327                 wherein        = "default:stone",
 328                 clust_scarcity = 9 * 9 * 9,
 329                 clust_num_ores = 5,
 330                 clust_size     = 3,
 331                 y_min          = 1025,
 332                 y_max          = 31000,
 333         })
 334
 335         minetest.register_ore({
 336                 ore_type       = "scatter",
 337                 ore            = "default:stone_with_copper",
 338                 wherein        = "default:stone",
 339                 clust_scarcity = 12 * 12 * 12,
 340                 clust_num_ores = 4,
 341                 clust_size     = 3,
 342                 y_min          = -63,
 343                 y_max          = -16,
 344         })
 345
 346         minetest.register_ore({
 347                 ore_type       = "scatter",
 348                 ore            = "default:stone_with_copper",
 349                 wherein        = "default:stone",
 350                 clust_scarcity = 9 * 9 * 9,
 351                 clust_num_ores = 5,
 352                 clust_size     = 3,
 353                 y_min          = -31000,
 354                 y_max          = -64,
 355         })
 356
 357         -- Gold
 358
 359         minetest.register_ore({
 360                 ore_type       = "scatter",
 361                 ore            = "default:stone_with_gold",
 362                 wherein        = "default:stone",
 363                 clust_scarcity = 13 * 13 * 13,
 364                 clust_num_ores = 5,
 365                 clust_size     = 3,
 366                 y_min          = 1025,
 367                 y_max          = 31000,
 368         })
 369
 370         minetest.register_ore({
 371                 ore_type       = "scatter",
 372                 ore            = "default:stone_with_gold",
 373                 wherein        = "default:stone",
 374                 clust_scarcity = 15 * 15 * 15,
 375                 clust_num_ores = 3,
 376                 clust_size     = 2,
 377                 y_min          = -255,
 378                 y_max          = -64,
 379         })
 380
 381         minetest.register_ore({
 382                 ore_type       = "scatter",
 383                 ore            = "default:stone_with_gold",
 384                 wherein        = "default:stone",
 385                 clust_scarcity = 13 * 13 * 13,
 386                 clust_num_ores = 5,
 387                 clust_size     = 3,
 388                 y_min          = -31000,
 389                 y_max          = -256,
 390         })
 391
 392         -- Mese crystal
 393
 394         minetest.register_ore({
 395                 ore_type       = "scatter",
 396                 ore            = "default:stone_with_mese",
 397                 wherein        = "default:stone",
 398                 clust_scarcity = 14 * 14 * 14,
 399                 clust_num_ores = 5,
 400                 clust_size     = 3,
 401                 y_min          = 1025,
 402                 y_max          = 31000,
 403         })
 404
 405         minetest.register_ore({
 406                 ore_type       = "scatter",
 407                 ore            = "default:stone_with_mese",
 408                 wherein        = "default:stone",
 409                 clust_scarcity = 18 * 18 * 18,
 410                 clust_num_ores = 3,
 411                 clust_size     = 2,
 412                 y_min          = -255,
 413                 y_max          = -64,
 414         })
 415
 416         minetest.register_ore({
 417                 ore_type       = "scatter",
 418                 ore            = "default:stone_with_mese",
 419                 wherein        = "default:stone",
 420                 clust_scarcity = 14 * 14 * 14,
 421                 clust_num_ores = 5,
 422                 clust_size     = 3,
 423                 y_min          = -31000,
 424                 y_max          = -256,
 425         })
 426
 427         -- Diamond
 428
 429         minetest.register_ore({
 430                 ore_type       = "scatter",
 431                 ore            = "default:stone_with_diamond",
 432                 wherein        = "default:stone",
 433                 clust_scarcity = 15 * 15 * 15,
 434                 clust_num_ores = 4,
 435                 clust_size     = 3,
 436                 y_min          = 1025,
 437                 y_max          = 31000,
 438         })
 439
 440         minetest.register_ore({
 441                 ore_type       = "scatter",
 442                 ore            = "default:stone_with_diamond",
 443                 wherein        = "default:stone",
 444                 clust_scarcity = 17 * 17 * 17,
 445                 clust_num_ores = 4,
 446                 clust_size     = 3,
 447                 y_min          = -255,
 448                 y_max          = -128,
 449         })
 450
 451         minetest.register_ore({
 452                 ore_type       = "scatter",
 453                 ore            = "default:stone_with_diamond",
 454                 wherein        = "default:stone",
 455                 clust_scarcity = 15 * 15 * 15,
 456                 clust_num_ores = 4,
 457                 clust_size     = 3,
 458                 y_min          = -31000,
 459                 y_max          = -256,
 460         })
 461
 462         -- Mese block
 463
 464         minetest.register_ore({
 465                 ore_type       = "scatter",
 466                 ore            = "default:mese",
 467                 wherein        = "default:stone",
 468                 clust_scarcity = 36 * 36 * 36,
 469                 clust_num_ores = 3,
 470                 clust_size     = 2,
 471                 y_min          = 1025,
 472                 y_max          = 31000,
 473         })
 474
 475         minetest.register_ore({
 476                 ore_type       = "scatter",
 477                 ore            = "default:mese",
 478                 wherein        = "default:stone",
 479                 clust_scarcity = 36 * 36 * 36,
 480                 clust_num_ores = 3,
 481                 clust_size     = 2,
 482                 y_min          = -31000,
 483                 y_max          = -1024,
 484         })
 485 end
 486
 487
 488 --
 489 -- Register biomes
 490 --
 491
 492 -- All mapgens except mgv6
 493
 494 function default.register_biomes()
 495
 496         -- Icesheet
 497
 498         minetest.register_biome({
 499                 name = "icesheet",
 500                 node_dust = "default:snowblock",
 501                 node_top = "default:snowblock",
 502                 depth_top = 1,
 503                 node_filler = "default:snowblock",
 504                 depth_filler = 3,
 505                 node_stone = "default:ice",
 506                 node_water_top = "default:ice",
 507                 depth_water_top = 10,
 508                 --node_water = "",
 509                 node_river_water = "default:ice",
 510                 node_riverbed = "default:gravel",
 511                 depth_riverbed = 2,
 512                 y_min = -8,
 513                 y_max = 31000,
 514                 heat_point = 0,
 515                 humidity_point = 73,
 516         })
 517
 518         minetest.register_biome({
 519                 name = "icesheet_ocean",
 520                 node_dust = "default:snowblock",
 521                 node_top = "default:sand",
 522                 depth_top = 1,
 523                 node_filler = "default:sand",
 524                 depth_filler = 3,
 525                 --node_stone = "",
 526                 node_water_top = "default:ice",
 527                 depth_water_top = 10,
 528                 --node_water = "",
 529                 --node_river_water = "",
 530                 y_min = -112,
 531                 y_max = -9,
 532                 heat_point = 0,
 533                 humidity_point = 73,
 534         })
 535
 536         -- Tundra
 537
 538         minetest.register_biome({
 539                 name = "tundra",
 540                 node_dust = "default:snowblock",
 541                 --node_top = ,
 542                 --depth_top = ,
 543                 --node_filler = ,
 544                 --depth_filler = ,
 545                 --node_stone = "",
 546                 --node_water_top = "",
 547                 --depth_water_top = ,
 548                 --node_water = "",
 549                 --node_river_water = "",
 550                 node_riverbed = "default:gravel",
 551                 depth_riverbed = 2,
 552                 y_min = 2,
 553                 y_max = 31000,
 554                 heat_point = 0,
 555                 humidity_point = 40,
 556         })
 557
 558         minetest.register_biome({
 559                 name = "tundra_beach",
 560                 --node_dust = "",
 561                 node_top = "default:gravel",
 562                 depth_top = 1,
 563                 node_filler = "default:gravel",
 564                 depth_filler = 2,
 565                 --node_stone = "",
 566                 --node_water_top = "",
 567                 --depth_water_top = ,
 568                 --node_water = "",
 569                 --node_river_water = "",
 570                 node_riverbed = "default:gravel",
 571                 depth_riverbed = 2,
 572                 y_min = -3,
 573                 y_max = 1,
 574                 heat_point = 0,
 575                 humidity_point = 40,
 576         })
 577
 578         minetest.register_biome({
 579                 name = "tundra_ocean",
 580                 --node_dust = "",
 581                 node_top = "default:sand",
 582                 depth_top = 1,
 583                 node_filler = "default:sand",
 584                 depth_filler = 3,
 585                 --node_stone = "",
 586                 --node_water_top = "",
 587                 --depth_water_top = ,
 588                 --node_water = "",
 589                 --node_river_water = "",
 590                 node_riverbed = "default:gravel",
 591                 depth_riverbed = 2,
 592                 y_min = -112,
 593                 y_max = -4,
 594                 heat_point = 0,
 595                 humidity_point = 40,
 596         })
 597
 598         -- Taiga
 599
 600         minetest.register_biome({
 601                 name = "taiga",
 602                 node_dust = "default:snow",
 603                 node_top = "default:dirt_with_snow",
 604                 depth_top = 1,
 605                 node_filler = "default:dirt",
 606                 depth_filler = 3,
 607                 --node_stone = "",
 608                 --node_water_top = "",
 609                 --depth_water_top = ,
 610                 --node_water = "",
 611                 --node_river_water = "",
 612                 node_riverbed = "default:sand",
 613                 depth_riverbed = 2,
 614                 y_min = 2,
 615                 y_max = 31000,
 616                 heat_point = 25,
 617                 humidity_point = 70,
 618         })
 619
 620         minetest.register_biome({
 621                 name = "taiga_ocean",
 622                 --node_dust = "",
 623                 node_top = "default:sand",
 624                 depth_top = 1,
 625                 node_filler = "default:sand",
 626                 depth_filler = 3,
 627                 --node_stone = "",
 628                 --node_water_top = "",
 629                 --depth_water_top = ,
 630                 --node_water = "",
 631                 --node_river_water = "",
 632                 node_riverbed = "default:sand",
 633                 depth_riverbed = 2,
 634                 y_min = -112,
 635                 y_max = 1,
 636                 heat_point = 25,
 637                 humidity_point = 70,
 638         })
 639
 640         -- Snowy grassland
 641
 642         minetest.register_biome({
 643                 name = "snowy_grassland",
 644                 node_dust = "default:snow",
 645                 node_top = "default:dirt_with_snow",
 646                 depth_top = 1,
 647                 node_filler = "default:dirt",
 648                 depth_filler = 1,
 649                 --node_stone = "",
 650                 --node_water_top = "",
 651                 --depth_water_top = ,
 652                 --node_water = "",
 653                 --node_river_water = "",
 654                 node_riverbed = "default:sand",
 655                 depth_riverbed = 2,
 656                 y_min = 5,
 657                 y_max = 31000,
 658                 heat_point = 20,
 659                 humidity_point = 35,
 660         })
 661
 662         minetest.register_biome({
 663                 name = "snowy_grassland_ocean",
 664                 --node_dust = "",
 665                 node_top = "default:sand",
 666                 depth_top = 1,
 667                 node_filler = "default:sand",
 668                 depth_filler = 3,
 669                 --node_stone = "",
 670                 --node_water_top = "",
 671                 --depth_water_top = ,
 672                 --node_water = "",
 673                 --node_river_water = "",
 674                 node_riverbed = "default:sand",
 675                 depth_riverbed = 2,
 676                 y_min = -112,
 677                 y_max = 4,
 678                 heat_point = 20,
 679                 humidity_point = 35,
 680         })
 681
 682         -- Grassland
 683
 684         minetest.register_biome({
 685                 name = "grassland",
 686                 --node_dust = "",
 687                 node_top = "default:dirt_with_grass",
 688                 depth_top = 1,
 689                 node_filler = "default:dirt",
 690                 depth_filler = 1,
 691                 --node_stone = "",
 692                 --node_water_top = "",
 693                 --depth_water_top = ,
 694                 --node_water = "",
 695                 --node_river_water = "",
 696                 node_riverbed = "default:sand",
 697                 depth_riverbed = 2,
 698                 y_min = 6,
 699                 y_max = 31000,
 700                 heat_point = 50,
 701                 humidity_point = 35,
 702         })
 703
 704         minetest.register_biome({
 705                 name = "grassland_dunes",
 706                 --node_dust = "",
 707                 node_top = "default:sand",
 708                 depth_top = 1,
 709                 node_filler = "default:sand",
 710                 depth_filler = 2,
 711                 --node_stone = "",
 712                 --node_water_top = "",
 713                 --depth_water_top = ,
 714                 --node_water = "",
 715                 --node_river_water = "",
 716                 node_riverbed = "default:sand",
 717                 depth_riverbed = 2,
 718                 y_min = 5,
 719                 y_max = 5,
 720                 heat_point = 50,
 721                 humidity_point = 35,
 722         })
 723
 724         minetest.register_biome({
 725                 name = "grassland_ocean",
 726                 --node_dust = "",
 727                 node_top = "default:sand",
 728                 depth_top = 1,
 729                 node_filler = "default:sand",
 730                 depth_filler = 3,
 731                 --node_stone = "",
 732                 --node_water_top = "",
 733                 --depth_water_top = ,
 734                 --node_water = "",
 735                 --node_river_water = "",
 736                 node_riverbed = "default:sand",
 737                 depth_riverbed = 2,
 738                 y_min = -112,
 739                 y_max = 4,
 740                 heat_point = 50,
 741                 humidity_point = 35,
 742         })
 743
 744         -- Coniferous forest
 745
 746         minetest.register_biome({
 747                 name = "coniferous_forest",
 748                 --node_dust = "",
 749                 node_top = "default:dirt_with_grass",
 750                 depth_top = 1,
 751                 node_filler = "default:dirt",
 752                 depth_filler = 3,
 753                 --node_stone = "",
 754                 --node_water_top = "",
 755                 --depth_water_top = ,
 756                 --node_water = "",
 757                 --node_river_water = "",
 758                 node_riverbed = "default:sand",
 759                 depth_riverbed = 2,
 760                 y_min = 6,
 761                 y_max = 31000,
 762                 heat_point = 45,
 763                 humidity_point = 70,
 764         })
 765
 766         minetest.register_biome({
 767                 name = "coniferous_forest_dunes",
 768                 --node_dust = "",
 769                 node_top = "default:sand",
 770                 depth_top = 1,
 771                 node_filler = "default:sand",
 772                 depth_filler = 3,
 773                 --node_stone = "",
 774                 --node_water_top = "",
 775                 --depth_water_top = ,
 776                 --node_water = "",
 777                 --node_river_water = "",
 778                 node_riverbed = "default:sand",
 779                 depth_riverbed = 2,
 780                 y_min = 5,
 781                 y_max = 5,
 782                 heat_point = 45,
 783                 humidity_point = 70,
 784         })
 785
 786         minetest.register_biome({
 787                 name = "coniferous_forest_ocean",
 788                 --node_dust = "",
 789                 node_top = "default:sand",
 790                 depth_top = 1,
 791                 node_filler = "default:sand",
 792                 depth_filler = 3,
 793                 --node_stone = "",
 794                 --node_water_top = "",
 795                 --depth_water_top = ,
 796                 --node_water = "",
 797                 --node_river_water = "",
 798                 node_riverbed = "default:sand",
 799                 depth_riverbed = 2,
 800                 y_min = -112,
 801                 y_max = 4,
 802                 heat_point = 45,
 803                 humidity_point = 70,
 804         })
 805
 806         -- Deciduous forest
 807
 808         minetest.register_biome({
 809                 name = "deciduous_forest",
 810                 --node_dust = "",
 811                 node_top = "default:dirt_with_grass",
 812                 depth_top = 1,
 813                 node_filler = "default:dirt",
 814                 depth_filler = 3,
 815                 --node_stone = "",
 816                 --node_water_top = "",
 817                 --depth_water_top = ,
 818                 --node_water = "",
 819                 --node_river_water = "",
 820                 node_riverbed = "default:sand",
 821                 depth_riverbed = 2,
 822                 y_min = 1,
 823                 y_max = 31000,
 824                 heat_point = 60,
 825                 humidity_point = 68,
 826         })
 827
 828         minetest.register_biome({
 829                 name = "deciduous_forest_shore",
 830                 --node_dust = "",
 831                 node_top = "default:dirt",
 832                 depth_top = 1,
 833                 node_filler = "default:dirt",
 834                 depth_filler = 3,
 835                 --node_stone = "",
 836                 --node_water_top = "",
 837                 --depth_water_top = ,
 838                 --node_water = "",
 839                 --node_river_water = "",
 840                 node_riverbed = "default:sand",
 841                 depth_riverbed = 2,
 842                 y_min = -1,
 843                 y_max = 0,
 844                 heat_point = 60,
 845                 humidity_point = 68,
 846         })
 847
 848         minetest.register_biome({
 849                 name = "deciduous_forest_ocean",
 850                 --node_dust = "",
 851                 node_top = "default:sand",
 852                 depth_top = 1,
 853                 node_filler = "default:sand",
 854                 depth_filler = 3,
 855                 --node_stone = "",
 856                 --node_water_top = "",
 857                 --depth_water_top = ,
 858                 --node_water = "",
 859                 --node_river_water = "",
 860                 node_riverbed = "default:sand",
 861                 depth_riverbed = 2,
 862                 y_min = -112,
 863                 y_max = -2,
 864                 heat_point = 60,
 865                 humidity_point = 68,
 866         })
 867
 868         -- Desert
 869
 870         minetest.register_biome({
 871                 name = "desert",
 872                 --node_dust = "",
 873                 node_top = "default:desert_sand",
 874                 depth_top = 1,
 875                 node_filler = "default:desert_sand",
 876                 depth_filler = 1,
 877                 node_stone = "default:desert_stone",
 878                 --node_water_top = "",
 879                 --depth_water_top = ,
 880                 --node_water = "",
 881                 --node_river_water = "",
 882                 node_riverbed = "default:sand",
 883                 depth_riverbed = 2,
 884                 y_min = 5,
 885                 y_max = 31000,
 886                 heat_point = 92,
 887                 humidity_point = 16,
 888         })
 889
 890         minetest.register_biome({
 891                 name = "desert_ocean",
 892                 --node_dust = "",
 893                 node_top = "default:sand",
 894                 depth_top = 1,
 895                 node_filler = "default:sand",
 896                 depth_filler = 3,
 897                 node_stone = "default:desert_stone",
 898                 --node_water_top = "",
 899                 --depth_water_top = ,
 900                 --node_water = "",
 901                 --node_river_water = "",
 902                 node_riverbed = "default:sand",
 903                 depth_riverbed = 2,
 904                 y_min = -112,
 905                 y_max = 4,
 906                 heat_point = 92,
 907                 humidity_point = 16,
 908         })
 909
 910         -- Sandstone desert
 911
 912         minetest.register_biome({
 913                 name = "sandstone_desert",
 914                 --node_dust = "",
 915                 node_top = "default:sand",
 916                 depth_top = 1,
 917                 node_filler = "default:sand",
 918                 depth_filler = 0,
 919                 node_stone = "default:sandstone",
 920                 --node_water_top = "",
 921                 --depth_water_top = ,
 922                 --node_water = "",
 923                 --node_river_water = "",
 924                 node_riverbed = "default:sand",
 925                 depth_riverbed = 2,
 926                 y_min = 5,
 927                 y_max = 31000,
 928                 heat_point = 60,
 929                 humidity_point = 0,
 930         })
 931
 932         minetest.register_biome({
 933                 name = "sandstone_desert_ocean",
 934                 --node_dust = "",
 935                 node_top = "default:sand",
 936                 depth_top = 1,
 937                 node_filler = "default:sand",
 938                 depth_filler = 3,
 939                 node_stone = "default:sandstone",
 940                 --node_water_top = "",
 941                 --depth_water_top = ,
 942                 --node_water = "",
 943                 --node_river_water = "",
 944                 node_riverbed = "default:sand",
 945                 depth_riverbed = 2,
 946                 y_min = -112,
 947                 y_max = 4,
 948                 heat_point = 60,
 949                 humidity_point = 0,
 950         })
 951
 952         -- Cold desert
 953
 954         minetest.register_biome({
 955                 name = "cold_desert",
 956                 --node_dust = "",
 957                 node_top = "default:silver_sand",
 958                 depth_top = 1,
 959                 node_filler = "default:silver_sand",
 960                 depth_filler = 1,
 961                 --node_stone = "",
 962                 --node_water_top = "",
 963                 --depth_water_top = ,
 964                 --node_water = "",
 965                 --node_river_water = "",
 966                 node_riverbed = "default:sand",
 967                 depth_riverbed = 2,
 968                 y_min = 5,
 969                 y_max = 31000,
 970                 heat_point = 40,
 971                 humidity_point = 0,
 972         })
 973
 974         minetest.register_biome({
 975                 name = "cold_desert_ocean",
 976                 --node_dust = "",
 977                 node_top = "default:sand",
 978                 depth_top = 1,
 979                 node_filler = "default:sand",
 980                 depth_filler = 3,
 981                 --node_stone = "",
 982                 --node_water_top = "",
 983                 --depth_water_top = ,
 984                 --node_water = "",
 985                 --node_river_water = "",
 986                 node_riverbed = "default:sand",
 987                 depth_riverbed = 2,
 988                 y_min = -112,
 989                 y_max = 4,
 990                 heat_point = 40,
 991                 humidity_point = 0,
 992         })
 993
 994         -- Savanna
 995
 996         minetest.register_biome({
 997                 name = "savanna",
 998                 --node_dust = "",
 999                 node_top = "default:dirt_with_dry_grass",
1000                 depth_top = 1,
1001                 node_filler = "default:dirt",
1002                 depth_filler = 1,
1003                 --node_stone = "",
1004                 --node_water_top = "",
1005                 --depth_water_top = ,
1006                 --node_water = "",
1007                 --node_river_water = "",
1008                 node_riverbed = "default:sand",
1009                 depth_riverbed = 2,
1010                 y_min = 1,
1011                 y_max = 31000,
1012                 heat_point = 89,
1013                 humidity_point = 42,
1014         })
1015
1016         minetest.register_biome({
1017                 name = "savanna_shore",
1018                 --node_dust = "",
1019                 node_top = "default:dirt",
1020                 depth_top = 1,
1021                 node_filler = "default:dirt",
1022                 depth_filler = 3,
1023                 --node_stone = "",
1024                 --node_water_top = "",
1025                 --depth_water_top = ,
1026                 --node_water = "",
1027                 --node_river_water = "",
1028                 node_riverbed = "default:sand",
1029                 depth_riverbed = 2,
1030                 y_min = -1,
1031                 y_max = 0,
1032                 heat_point = 89,
1033                 humidity_point = 42,
1034         })
1035
1036         minetest.register_biome({
1037                 name = "savanna_ocean",
1038                 --node_dust = "",
1039                 node_top = "default:sand",
1040                 depth_top = 1,
1041                 node_filler = "default:sand",
1042                 depth_filler = 3,
1043                 --node_stone = "",
1044                 --node_water_top = "",
1045                 --depth_water_top = ,
1046                 --node_water = "",
1047                 --node_river_water = "",
1048                 node_riverbed = "default:sand",
1049                 depth_riverbed = 2,
1050                 y_min = -112,
1051                 y_max = -2,
1052                 heat_point = 89,
1053                 humidity_point = 42,
1054         })
1055
1056         -- Rainforest
1057
1058         minetest.register_biome({
1059                 name = "rainforest",
1060                 --node_dust = "",
1061                 node_top = "default:dirt_with_rainforest_litter",
1062                 depth_top = 1,
1063                 node_filler = "default:dirt",
1064                 depth_filler = 3,
1065                 --node_stone = "",
1066                 --node_water_top = "",
1067                 --depth_water_top = ,
1068                 --node_water = "",
1069                 --node_river_water = "",
1070                 node_riverbed = "default:sand",
1071                 depth_riverbed = 2,
1072                 y_min = 1,
1073                 y_max = 31000,
1074                 heat_point = 86,
1075                 humidity_point = 65,
1076         })
1077
1078         minetest.register_biome({
1079                 name = "rainforest_swamp",
1080                 --node_dust = "",
1081                 node_top = "default:dirt",
1082                 depth_top = 1,
1083                 node_filler = "default:dirt",
1084                 depth_filler = 3,
1085                 --node_stone = "",
1086                 --node_water_top = "",
1087                 --depth_water_top = ,
1088                 --node_water = "",
1089                 --node_river_water = "",
1090                 node_riverbed = "default:sand",
1091                 depth_riverbed = 2,
1092                 y_min = -1,
1093                 y_max = 0,
1094                 heat_point = 86,
1095                 humidity_point = 65,
1096         })
1097
1098         minetest.register_biome({
1099                 name = "rainforest_ocean",
1100                 --node_dust = "",
1101                 node_top = "default:sand",
1102                 depth_top = 1,
1103                 node_filler = "default:sand",
1104                 depth_filler = 3,
1105                 --node_stone = "",
1106                 --node_water_top = "",
1107                 --depth_water_top = ,
1108                 --node_water = "",
1109                 --node_river_water = "",
1110                 node_riverbed = "default:sand",
1111                 depth_riverbed = 2,
1112                 y_min = -112,
1113                 y_max = -2,
1114                 heat_point = 86,
1115                 humidity_point = 65,
1116         })
1117
1118         -- Underground
1119
1120         minetest.register_biome({
1121                 name = "underground",
1122                 --node_dust = "",
1123                 --node_top = "",
1124                 --depth_top = ,
1125                 --node_filler = "",
1126                 --depth_filler = ,
1127                 --node_stone = "",
1128                 --node_water_top = "",
1129                 --depth_water_top = ,
1130                 --node_water = "",
1131                 --node_river_water = "",
1132                 y_min = -31000,
1133                 y_max = -113,
1134                 heat_point = 50,
1135                 humidity_point = 50,
1136         })
1137 end
1138
1139
1140 --
1141 -- Register decorations
1142 --
1143
1144 -- Mgv6
1145
1146 function default.register_mgv6_decorations()
1147
1148         -- Papyrus
1149
1150         minetest.register_decoration({
1151                 deco_type = "simple",
1152                 place_on = {"default:dirt_with_grass"},
1153                 sidelen = 16,
1154                 noise_params = {
1155                         offset = -0.3,
1156                         scale = 0.7,
1157                         spread = {x = 100, y = 100, z = 100},
1158                         seed = 354,
1159                         octaves = 3,
1160                         persist = 0.7
1161                 },
1162                 y_min = 1,
1163                 y_max = 1,
1164                 decoration = "default:papyrus",
1165                 height = 2,
1166                 height_max = 4,
1167                 spawn_by = "default:water_source",
1168                 num_spawn_by = 1,
1169         })
1170
1171         -- Cacti
1172
1173         minetest.register_decoration({
1174                 deco_type = "simple",
1175                 place_on = {"default:desert_sand"},
1176                 sidelen = 16,
1177                 noise_params = {
1178                         offset = -0.012,
1179                         scale = 0.024,
1180                         spread = {x = 100, y = 100, z = 100},
1181                         seed = 230,
1182                         octaves = 3,
1183                         persist = 0.6
1184                 },
1185                 y_min = 1,
1186                 y_max = 30,
1187                 decoration = "default:cactus",
1188                 height = 3,
1189                 height_max = 4,
1190         })
1191
1192         -- Long grasses
1193
1194         for length = 1, 5 do
1195                 minetest.register_decoration({
1196                         deco_type = "simple",
1197                         place_on = {"default:dirt_with_grass"},
1198                         sidelen = 16,
1199                         noise_params = {
1200                                 offset = 0,
1201                                 scale = 0.007,
1202                                 spread = {x = 100, y = 100, z = 100},
1203                                 seed = 329,
1204                                 octaves = 3,
1205                                 persist = 0.6
1206                         },
1207                         y_min = 1,
1208                         y_max = 30,
1209                         decoration = "default:grass_"..length,
1210                 })
1211         end
1212
1213         -- Dry shrubs
1214
1215         minetest.register_decoration({
1216                 deco_type = "simple",
1217                 place_on = {"default:desert_sand", "default:dirt_with_snow"},
1218                 sidelen = 16,
1219                 noise_params = {
1220                         offset = 0,
1221                         scale = 0.035,
1222                         spread = {x = 100, y = 100, z = 100},
1223                         seed = 329,
1224                         octaves = 3,
1225                         persist = 0.6
1226                 },
1227                 y_min = 1,
1228                 y_max = 30,
1229                 decoration = "default:dry_shrub",
1230         })
1231 end
1232
1233
1234 -- All mapgens except mgv6
1235
1236 local function register_grass_decoration(offset, scale, length)
1237         minetest.register_decoration({
1238                 deco_type = "simple",
1239                 place_on = {"default:dirt_with_grass", "default:sand"},
1240                 sidelen = 16,
1241                 noise_params = {
1242                         offset = offset,
1243                         scale = scale,
1244                         spread = {x = 200, y = 200, z = 200},
1245                         seed = 329,
1246                         octaves = 3,
1247                         persist = 0.6
1248                 },
1249                 biomes = {"grassland", "grassland_dunes", "deciduous_forest",
1250                         "coniferous_forest", "coniferous_forest_dunes"},
1251                 y_min = 1,
1252                 y_max = 31000,
1253                 decoration = "default:grass_" .. length,
1254         })
1255 end
1256
1257 local function register_dry_grass_decoration(offset, scale, length)
1258         minetest.register_decoration({
1259                 deco_type = "simple",
1260                 place_on = {"default:dirt_with_dry_grass"},
1261                 sidelen = 16,
1262                 noise_params = {
1263                         offset = offset,
1264                         scale = scale,
1265                         spread = {x = 200, y = 200, z = 200},
1266                         seed = 329,
1267                         octaves = 3,
1268                         persist = 0.6
1269                 },
1270                 biomes = {"savanna"},
1271                 y_min = 1,
1272                 y_max = 31000,
1273                 decoration = "default:dry_grass_" .. length,
1274         })
1275 end
1276
1277
1278 function default.register_decorations()
1279
1280         -- Apple tree and log
1281
1282         minetest.register_decoration({
1283                 deco_type = "schematic",
1284                 place_on = {"default:dirt_with_grass"},
1285                 sidelen = 16,
1286                 noise_params = {
1287                         offset = 0.036,
1288                         scale = 0.022,
1289                         spread = {x = 250, y = 250, z = 250},
1290                         seed = 2,
1291                         octaves = 3,
1292                         persist = 0.66
1293                 },
1294                 biomes = {"deciduous_forest"},
1295                 y_min = 1,
1296                 y_max = 31000,
1297                 schematic = minetest.get_modpath("default") .. "/schematics/apple_tree.mts",
1298                 flags = "place_center_x, place_center_z",
1299         })
1300
1301         minetest.register_decoration({
1302                 deco_type = "schematic",
1303                 place_on = {"default:dirt_with_grass"},
1304                 sidelen = 16,
1305                 noise_params = {
1306                         offset = 0.0018,
1307                         scale = 0.0011,
1308                         spread = {x = 250, y = 250, z = 250},
1309                         seed = 2,
1310                         octaves = 3,
1311                         persist = 0.66
1312                 },
1313                 biomes = {"deciduous_forest"},
1314                 y_min = 1,
1315                 y_max = 31000,
1316                 schematic = minetest.get_modpath("default") .. "/schematics/apple_log.mts",
1317                 flags = "place_center_x",
1318                 rotation = "random",
1319         })
1320
1321         -- Jungle tree and log
1322
1323         minetest.register_decoration({
1324                 deco_type = "schematic",
1325                 place_on = {"default:dirt_with_rainforest_litter", "default:dirt"},
1326                 sidelen = 80,
1327                 fill_ratio = 0.1,
1328                 biomes = {"rainforest", "rainforest_swamp"},
1329                 y_min = -1,
1330                 y_max = 31000,
1331                 schematic = minetest.get_modpath("default") .. "/schematics/jungle_tree.mts",
1332                 flags = "place_center_x, place_center_z",
1333                 rotation = "random",
1334         })
1335
1336         minetest.register_decoration({
1337                 deco_type = "schematic",
1338                 place_on = {"default:dirt_with_rainforest_litter", "default:dirt"},
1339                 sidelen = 80,
1340                 fill_ratio = 0.005,
1341                 biomes = {"rainforest", "rainforest_swamp"},
1342                 y_min = 1,
1343                 y_max = 31000,
1344                 schematic = minetest.get_modpath("default") .. "/schematics/jungle_log.mts",
1345                 flags = "place_center_x",
1346                 rotation = "random",
1347         })
1348
1349         -- Taiga and temperate coniferous forest pine tree and log
1350
1351         minetest.register_decoration({
1352                 deco_type = "schematic",
1353                 place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
1354                 sidelen = 16,
1355                 noise_params = {
1356                         offset = 0.036,
1357                         scale = 0.022,
1358                         spread = {x = 250, y = 250, z = 250},
1359                         seed = 2,
1360                         octaves = 3,
1361                         persist = 0.66
1362                 },
1363                 biomes = {"taiga", "coniferous_forest"},
1364                 y_min = 2,
1365                 y_max = 31000,
1366                 schematic = minetest.get_modpath("default") .. "/schematics/pine_tree.mts",
1367                 flags = "place_center_x, place_center_z",
1368         })
1369
1370         minetest.register_decoration({
1371                 deco_type = "schematic",
1372                 place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
1373                 sidelen = 80,
1374                 noise_params = {
1375                         offset = 0.0018,
1376                         scale = 0.0011,
1377                         spread = {x = 250, y = 250, z = 250},
1378                         seed = 2,
1379                         octaves = 3,
1380                         persist = 0.66
1381                 },
1382                 biomes = {"taiga", "coniferous_forest"},
1383                 y_min = 1,
1384                 y_max = 31000,
1385                 schematic = minetest.get_modpath("default") .. "/schematics/pine_log.mts",
1386                 flags = "place_center_x",
1387                 rotation = "random",
1388         })
1389
1390         -- Acacia tree and log
1391
1392         minetest.register_decoration({
1393                 deco_type = "schematic",
1394                 place_on = {"default:dirt_with_dry_grass"},
1395                 sidelen = 16,
1396                 noise_params = {
1397                         offset = 0,
1398                         scale = 0.002,
1399                         spread = {x = 250, y = 250, z = 250},
1400                         seed = 2,
1401                         octaves = 3,
1402                         persist = 0.66
1403                 },
1404                 biomes = {"savanna"},
1405                 y_min = 1,
1406                 y_max = 31000,
1407                 schematic = minetest.get_modpath("default") .. "/schematics/acacia_tree.mts",
1408                 flags = "place_center_x, place_center_z",
1409                 rotation = "random",
1410         })
1411
1412         minetest.register_decoration({
1413                 deco_type = "schematic",
1414                 place_on = {"default:dirt_with_dry_grass"},
1415                 sidelen = 16,
1416                 noise_params = {
1417                         offset = 0,
1418                         scale = 0.001,
1419                         spread = {x = 250, y = 250, z = 250},
1420                         seed = 2,
1421                         octaves = 3,
1422                         persist = 0.66
1423                 },
1424                 biomes = {"savanna"},
1425                 y_min = 1,
1426                 y_max = 31000,
1427                 schematic = minetest.get_modpath("default") .. "/schematics/acacia_log.mts",
1428                 flags = "place_center_x",
1429                 rotation = "random",
1430         })
1431
1432         -- Aspen tree and log
1433
1434         minetest.register_decoration({
1435                 deco_type = "schematic",
1436                 place_on = {"default:dirt_with_grass"},
1437                 sidelen = 16,
1438                 noise_params = {
1439                         offset = 0.0,
1440                         scale = -0.015,
1441                         spread = {x = 250, y = 250, z = 250},
1442                         seed = 2,
1443                         octaves = 3,
1444                         persist = 0.66
1445                 },
1446                 biomes = {"deciduous_forest"},
1447                 y_min = 1,
1448                 y_max = 31000,
1449                 schematic = minetest.get_modpath("default") .. "/schematics/aspen_tree.mts",
1450                 flags = "place_center_x, place_center_z",
1451         })
1452
1453         minetest.register_decoration({
1454                 deco_type = "schematic",
1455                 place_on = {"default:dirt_with_grass"},
1456                 sidelen = 16,
1457                 noise_params = {
1458                         offset = 0.0,
1459                         scale = -0.0008,
1460                         spread = {x = 250, y = 250, z = 250},
1461                         seed = 2,
1462                         octaves = 3,
1463                         persist = 0.66
1464                 },
1465                 biomes = {"deciduous_forest"},
1466                 y_min = 1,
1467                 y_max = 31000,
1468                 schematic = minetest.get_modpath("default") .. "/schematics/aspen_log.mts",
1469                 flags = "place_center_x",
1470                 rotation = "random",
1471         })
1472
1473         -- Large cactus
1474
1475         minetest.register_decoration({
1476                 deco_type = "schematic",
1477                 place_on = {"default:desert_sand"},
1478                 sidelen = 16,
1479                 noise_params = {
1480                         offset = -0.0003,
1481                         scale = 0.0009,
1482                         spread = {x = 200, y = 200, z = 200},
1483                         seed = 230,
1484                         octaves = 3,
1485                         persist = 0.6
1486                 },
1487                 biomes = {"desert"},
1488                 y_min = 5,
1489                 y_max = 31000,
1490                 schematic = minetest.get_modpath("default") .. "/schematics/large_cactus.mts",
1491                 flags = "place_center_x",
1492                 rotation = "random",
1493         })
1494
1495         -- Cactus
1496
1497         minetest.register_decoration({
1498                 deco_type = "simple",
1499                 place_on = {"default:desert_sand"},
1500                 sidelen = 16,
1501                 noise_params = {
1502                         offset = -0.0003,
1503                         scale = 0.0009,
1504                         spread = {x = 200, y = 200, z = 200},
1505                         seed = 230,
1506                         octaves = 3,
1507                         persist = 0.6
1508                 },
1509                 biomes = {"desert"},
1510                 y_min = 5,
1511                 y_max = 31000,
1512                 decoration = "default:cactus",
1513                 height = 2,
1514                 height_max = 5,
1515         })
1516
1517         -- Papyrus
1518
1519         minetest.register_decoration({
1520                 deco_type = "schematic",
1521                 place_on = {"default:dirt"},
1522                 sidelen = 16,
1523                 noise_params = {
1524                         offset = -0.3,
1525                         scale = 0.7,
1526                         spread = {x = 200, y = 200, z = 200},
1527                         seed = 354,
1528                         octaves = 3,
1529                         persist = 0.7
1530                 },
1531                 biomes = {"savanna_shore"},
1532                 y_min = 0,
1533                 y_max = 0,
1534                 schematic = minetest.get_modpath("default") .. "/schematics/papyrus.mts",
1535         })
1536
1537         -- Bush
1538
1539         minetest.register_decoration({
1540                 deco_type = "schematic",
1541                 place_on = {"default:dirt_with_grass", "default:dirt_with_snow"},
1542                 sidelen = 16,
1543                 noise_params = {
1544                         offset = -0.004,
1545                         scale = 0.01,
1546                         spread = {x = 100, y = 100, z = 100},
1547                         seed = 137,
1548                         octaves = 3,
1549                         persist = 0.7,
1550                 },
1551                 biomes = {"snowy_grassland", "grassland", "deciduous_forest"},
1552                 y_min = 1,
1553                 y_max = 31000,
1554                 schematic = minetest.get_modpath("default") .. "/schematics/bush.mts",
1555                 flags = "place_center_x, place_center_z",
1556         })
1557
1558         -- Acacia bush
1559
1560         minetest.register_decoration({
1561                 deco_type = "schematic",
1562                 place_on = {"default:dirt_with_dry_grass"},
1563                 sidelen = 16,
1564                 noise_params = {
1565                         offset = -0.004,
1566                         scale = 0.01,
1567                         spread = {x = 100, y = 100, z = 100},
1568                         seed = 90155,
1569                         octaves = 3,
1570                         persist = 0.7,
1571                 },
1572                 biomes = {"savanna"},
1573                 y_min = 1,
1574                 y_max = 31000,
1575                 schematic = minetest.get_modpath("default") .. "/schematics/acacia_bush.mts",
1576                 flags = "place_center_x, place_center_z",
1577         })
1578
1579         -- Grasses
1580
1581         register_grass_decoration(-0.03,  0.09,  5)
1582         register_grass_decoration(-0.015, 0.075, 4)
1583         register_grass_decoration(0,      0.06,  3)
1584         register_grass_decoration(0.015,  0.045, 2)
1585         register_grass_decoration(0.03,   0.03,  1)
1586
1587         -- Dry grasses
1588
1589         register_dry_grass_decoration(0.01, 0.05,  5)
1590         register_dry_grass_decoration(0.03, 0.03,  4)
1591         register_dry_grass_decoration(0.05, 0.01,  3)
1592         register_dry_grass_decoration(0.07, -0.01, 2)
1593         register_dry_grass_decoration(0.09, -0.03, 1)
1594
1595         -- Junglegrass
1596
1597         minetest.register_decoration({
1598                 deco_type = "simple",
1599                 place_on = {"default:dirt_with_rainforest_litter"},
1600                 sidelen = 80,
1601                 fill_ratio = 0.1,
1602                 biomes = {"rainforest"},
1603                 y_min = 1,
1604                 y_max = 31000,
1605                 decoration = "default:junglegrass",
1606         })
1607
1608         -- Dry shrub
1609
1610         minetest.register_decoration({
1611                 deco_type = "simple",
1612                 place_on = {"default:desert_sand",
1613                         "default:sand", "default:silver_sand"},
1614                 sidelen = 16,
1615                 noise_params = {
1616                         offset = 0,
1617                         scale = 0.02,
1618                         spread = {x = 200, y = 200, z = 200},
1619                         seed = 329,
1620                         octaves = 3,
1621                         persist = 0.6
1622                 },
1623                 biomes = {"desert", "sandstone_desert", "cold_desert"},
1624                 y_min = 2,
1625                 y_max = 31000,
1626                 decoration = "default:dry_shrub",
1627         })
1628
1629         -- Coral reef
1630
1631         minetest.register_decoration({
1632                 deco_type = "schematic",
1633                 place_on = {"default:sand"},
1634                 noise_params = {
1635                         offset = -0.15,
1636                         scale = 0.1,
1637                         spread = {x = 100, y = 100, z = 100},
1638                         seed = 7013,
1639                         octaves = 3,
1640                         persist = 1,
1641                 },
1642                 biomes = {
1643                         "desert_ocean",
1644                         "savanna_ocean",
1645                         "rainforest_ocean",
1646                 },
1647                 y_min = -8,
1648                 y_max = -2,
1649                 schematic = minetest.get_modpath("default") .. "/schematics/corals.mts",
1650                 flags = "place_center_x, place_center_z",
1651                 rotation = "random",
1652         })
1653 end
1654
1655
1656 --
1657 -- Detect mapgen to select functions
1658 --
1659
1660 minetest.clear_registered_biomes()
1661 minetest.clear_registered_ores()
1662 minetest.clear_registered_decorations()
1663
1664 local mg_name = minetest.get_mapgen_setting("mg_name")
1665 if mg_name == "v6" then
1666         default.register_mgv6_blob_ores()
1667         default.register_ores()
1668         default.register_mgv6_decorations()
1669 else
1670         default.register_biomes()
1671         default.register_blob_ores()
1672         default.register_ores()
1673         default.register_decorations()
1674 end