mods/default/mapgen.lua

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