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_sandstonebrick", "default:sandstonebrick")
  38 minetest.register_alias("mapgen_stair_sandstonebrick", "stairs:stair_sandstonebrick")
  39
  40
  41 --
  42 -- Register ores
  43 --
  44
  45 -- All mapgens except singlenode
  46 -- Blob ore first to avoid other ores inside blobs
  47
  48 function default.register_ores()
  49
  50         -- Clay
  51
  52         minetest.register_ore({
  53                 ore_type         = "blob",
  54                 ore              = "default:clay",
  55                 wherein          = {"default:sand"},
  56                 clust_scarcity   = 16 * 16 * 16,
  57                 clust_size       = 5,
  58                 y_min            = -15,
  59                 y_max            = 0,
  60                 noise_threshold = 0.0,
  61                 noise_params     = {
  62                         offset = 0.5,
  63                         scale = 0.2,
  64                         spread = {x = 5, y = 5, z = 5},
  65                         seed = -316,
  66                         octaves = 1,
  67                         persist = 0.0
  68                 },
  69         })
  70
  71         -- Sand
  72
  73         minetest.register_ore({
  74                 ore_type         = "blob",
  75                 ore              = "default:sand",
  76                 wherein          = {"default:stone"},
  77                 clust_scarcity   = 16 * 16 * 16,
  78                 clust_size       = 5,
  79                 y_min            = -31,
  80                 y_max            = 4,
  81                 noise_threshold = 0.0,
  82                 noise_params     = {
  83                         offset = 0.5,
  84                         scale = 0.2,
  85                         spread = {x = 5, y = 5, z = 5},
  86                         seed = 2316,
  87                         octaves = 1,
  88                         persist = 0.0
  89                 },
  90         })
  91
  92         -- Dirt
  93
  94         minetest.register_ore({
  95                 ore_type         = "blob",
  96                 ore              = "default:dirt",
  97                 wherein          = {"default:stone"},
  98                 clust_scarcity   = 16 * 16 * 16,
  99                 clust_size       = 5,
 100                 y_min            = -31,
 101                 y_max            = 31000,
 102                 noise_threshold = 0.0,
 103                 noise_params     = {
 104                         offset = 0.5,
 105                         scale = 0.2,
 106                         spread = {x = 5, y = 5, z = 5},
 107                         seed = 17676,
 108                         octaves = 1,
 109                         persist = 0.0
 110                 },
 111         })
 112
 113         -- Gravel
 114
 115         minetest.register_ore({
 116                 ore_type         = "blob",
 117                 ore              = "default:gravel",
 118                 wherein          = {"default:stone"},
 119                 clust_scarcity   = 16 * 16 * 16,
 120                 clust_size       = 5,
 121                 y_min            = -31000,
 122                 y_max            = 31000,
 123                 noise_threshold = 0.0,
 124                 noise_params     = {
 125                         offset = 0.5,
 126                         scale = 0.2,
 127                         spread = {x = 5, y = 5, z = 5},
 128                         seed = 766,
 129                         octaves = 1,
 130                         persist = 0.0
 131                 },
 132         })
 133
 134         -- Coal
 135
 136         minetest.register_ore({
 137                 ore_type       = "scatter",
 138                 ore            = "default:stone_with_coal",
 139                 wherein        = "default:stone",
 140                 clust_scarcity = 8 * 8 * 8,
 141                 clust_num_ores = 8,
 142                 clust_size     = 3,
 143                 y_min          = -31000,
 144                 y_max          = 64,
 145         })
 146
 147         minetest.register_ore({
 148                 ore_type       = "scatter",
 149                 ore            = "default:stone_with_coal",
 150                 wherein        = "default:stone",
 151                 clust_scarcity = 24 * 24 * 24,
 152                 clust_num_ores = 27,
 153                 clust_size     = 6,
 154                 y_min          = -31000,
 155                 y_max          = 0,
 156         })
 157
 158         -- Iron
 159
 160         minetest.register_ore({
 161                 ore_type       = "scatter",
 162                 ore            = "default:stone_with_iron",
 163                 wherein        = "default:stone",
 164                 clust_scarcity = 12 * 12 * 12,
 165                 clust_num_ores = 3,
 166                 clust_size     = 2,
 167                 y_min          = -15,
 168                 y_max          = 2,
 169         })
 170
 171         minetest.register_ore({
 172                 ore_type       = "scatter",
 173                 ore            = "default:stone_with_iron",
 174                 wherein        = "default:stone",
 175                 clust_scarcity = 9 * 9 * 9,
 176                 clust_num_ores = 5,
 177                 clust_size     = 3,
 178                 y_min          = -63,
 179                 y_max          = -16,
 180         })
 181
 182         minetest.register_ore({
 183                 ore_type       = "scatter",
 184                 ore            = "default:stone_with_iron",
 185                 wherein        = "default:stone",
 186                 clust_scarcity = 7 * 7 * 7,
 187                 clust_num_ores = 5,
 188                 clust_size     = 3,
 189                 y_min          = -31000,
 190                 y_max          = -64,
 191         })
 192
 193         minetest.register_ore({
 194                 ore_type       = "scatter",
 195                 ore            = "default:stone_with_iron",
 196                 wherein        = "default:stone",
 197                 clust_scarcity = 24 * 24 * 24,
 198                 clust_num_ores = 27,
 199                 clust_size     = 6,
 200                 y_min          = -31000,
 201                 y_max          = -64,
 202         })
 203
 204         --Mese
 205
 206         minetest.register_ore({
 207                 ore_type       = "scatter",
 208                 ore            = "default:stone_with_mese",
 209                 wherein        = "default:stone",
 210                 clust_scarcity = 18 * 18 * 18,
 211                 clust_num_ores = 3,
 212                 clust_size     = 2,
 213                 y_min          = -255,
 214                 y_max          = -64,
 215         })
 216
 217         minetest.register_ore({
 218                 ore_type       = "scatter",
 219                 ore            = "default:stone_with_mese",
 220                 wherein        = "default:stone",
 221                 clust_scarcity = 14 * 14 * 14,
 222                 clust_num_ores = 5,
 223                 clust_size     = 3,
 224                 y_min          = -31000,
 225                 y_max          = -256,
 226         })
 227
 228         minetest.register_ore({
 229                 ore_type       = "scatter",
 230                 ore            = "default:mese",
 231                 wherein        = "default:stone",
 232                 clust_scarcity = 36 * 36 * 36,
 233                 clust_num_ores = 3,
 234                 clust_size     = 2,
 235                 y_min          = -31000,
 236                 y_max          = -1024,
 237         })
 238
 239         -- Gold
 240
 241         minetest.register_ore({
 242                 ore_type       = "scatter",
 243                 ore            = "default:stone_with_gold",
 244                 wherein        = "default:stone",
 245                 clust_scarcity = 15 * 15 * 15,
 246                 clust_num_ores = 3,
 247                 clust_size     = 2,
 248                 y_min          = -255,
 249                 y_max          = -64,
 250         })
 251
 252         minetest.register_ore({
 253                 ore_type       = "scatter",
 254                 ore            = "default:stone_with_gold",
 255                 wherein        = "default:stone",
 256                 clust_scarcity = 13 * 13 * 13,
 257                 clust_num_ores = 5,
 258                 clust_size     = 3,
 259                 y_min          = -31000,
 260                 y_max          = -256,
 261         })
 262
 263         -- Diamond
 264
 265         minetest.register_ore({
 266                 ore_type       = "scatter",
 267                 ore            = "default:stone_with_diamond",
 268                 wherein        = "default:stone",
 269                 clust_scarcity = 17 * 17 * 17,
 270                 clust_num_ores = 4,
 271                 clust_size     = 3,
 272                 y_min          = -255,
 273                 y_max          = -128,
 274         })
 275
 276         minetest.register_ore({
 277                 ore_type       = "scatter",
 278                 ore            = "default:stone_with_diamond",
 279                 wherein        = "default:stone",
 280                 clust_scarcity = 15 * 15 * 15,
 281                 clust_num_ores = 4,
 282                 clust_size     = 3,
 283                 y_min          = -31000,
 284                 y_max          = -256,
 285         })
 286
 287         -- Copper
 288
 289         minetest.register_ore({
 290                 ore_type       = "scatter",
 291                 ore            = "default:stone_with_copper",
 292                 wherein        = "default:stone",
 293                 clust_scarcity = 12 * 12 * 12,
 294                 clust_num_ores = 4,
 295                 clust_size     = 3,
 296                 y_min          = -63,
 297                 y_max          = -16,
 298         })
 299
 300         minetest.register_ore({
 301                 ore_type       = "scatter",
 302                 ore            = "default:stone_with_copper",
 303                 wherein        = "default:stone",
 304                 clust_scarcity = 9 * 9 * 9,
 305                 clust_num_ores = 5,
 306                 clust_size     = 3,
 307                 y_min          = -31000,
 308                 y_max          = -64,
 309         })
 310 end
 311
 312
 313 --
 314 -- Register biomes
 315 --
 316
 317 -- All mapgens except mgv6 and singlenode
 318
 319 function default.register_biomes()
 320         minetest.clear_registered_biomes()
 321
 322         -- Permanent ice
 323
 324         minetest.register_biome({
 325                 name = "glacier",
 326                 node_dust = "default:snowblock",
 327                 node_top = "default:snowblock",
 328                 depth_top = 1,
 329                 node_filler = "default:snowblock",
 330                 depth_filler = 3,
 331                 node_stone = "default:ice",
 332                 node_water_top = "default:ice",
 333                 depth_water_top = 10,
 334                 --node_water = "",
 335                 node_river_water = "default:ice",
 336                 y_min = -8,
 337                 y_max = 31000,
 338                 heat_point = 0,
 339                 humidity_point = 50,
 340         })
 341
 342         minetest.register_biome({
 343                 name = "glacier_ocean",
 344                 node_dust = "default:snowblock",
 345                 node_top = "default:sand",
 346                 depth_top = 1,
 347                 node_filler = "default:sand",
 348                 depth_filler = 3,
 349                 --node_stone = "",
 350                 --node_water_top = "",
 351                 --depth_water_top = ,
 352                 --node_water = "",
 353                 --node_river_water = "",
 354                 y_min = -112,
 355                 y_max = -9,
 356                 heat_point = 0,
 357                 humidity_point = 50,
 358         })
 359
 360         -- Cold
 361
 362         minetest.register_biome({
 363                 name = "tundra",
 364                 --node_dust = "",
 365                 node_top = "default:dirt_with_snow",
 366                 depth_top = 1,
 367                 node_filler = "default:dirt",
 368                 depth_filler = 1,
 369                 --node_stone = "",
 370                 --node_water_top = "",
 371                 --depth_water_top = ,
 372                 --node_water = "",
 373                 --node_river_water = "",
 374                 y_min = 2,
 375                 y_max = 31000,
 376                 heat_point = 15,
 377                 humidity_point = 35,
 378         })
 379
 380         minetest.register_biome({
 381                 name = "tundra_ocean",
 382                 --node_dust = "",
 383                 node_top = "default:sand",
 384                 depth_top = 1,
 385                 node_filler = "default:sand",
 386                 depth_filler = 3,
 387                 --node_stone = "",
 388                 --node_water_top = "",
 389                 --depth_water_top = ,
 390                 --node_water = "",
 391                 --node_river_water = "",
 392                 y_min = -112,
 393                 y_max = 1,
 394                 heat_point = 15,
 395                 humidity_point = 35,
 396         })
 397
 398
 399         minetest.register_biome({
 400                 name = "taiga",
 401                 node_dust = "default:snow",
 402                 node_top = "default:dirt_with_snow",
 403                 depth_top = 1,
 404                 node_filler = "default:dirt",
 405                 depth_filler = 3,
 406                 --node_stone = "",
 407                 --node_water_top = "",
 408                 --depth_water_top = ,
 409                 --node_water = "",
 410                 --node_river_water = "",
 411                 y_min = 2,
 412                 y_max = 31000,
 413                 heat_point = 15,
 414                 humidity_point = 65,
 415         })
 416
 417         minetest.register_biome({
 418                 name = "taiga_ocean",
 419                 --node_dust = "",
 420                 node_top = "default:sand",
 421                 depth_top = 1,
 422                 node_filler = "default:sand",
 423                 depth_filler = 3,
 424                 --node_stone = "",
 425                 --node_water_top = "",
 426                 --depth_water_top = ,
 427                 --node_water = "",
 428                 --node_river_water = "",
 429                 y_min = -112,
 430                 y_max = 1,
 431                 heat_point = 15,
 432                 humidity_point = 65,
 433         })
 434
 435         -- Temperate
 436
 437         minetest.register_biome({
 438                 name = "stone_grassland",
 439                 --node_dust = "",
 440                 node_top = "default:dirt_with_grass",
 441                 depth_top = 1,
 442                 node_filler = "default:dirt",
 443                 depth_filler = 1,
 444                 --node_stone = "",
 445                 --node_water_top = "",
 446                 --depth_water_top = ,
 447                 --node_water = "",
 448                 --node_river_water = "",
 449                 y_min = 6,
 450                 y_max = 31000,
 451                 heat_point = 40,
 452                 humidity_point = 35,
 453         })
 454
 455         minetest.register_biome({
 456                 name = "stone_grassland_dunes",
 457                 --node_dust = "",
 458                 node_top = "default:sand",
 459                 depth_top = 1,
 460                 node_filler = "default:sand",
 461                 depth_filler = 2,
 462                 --node_stone = "",
 463                 --node_water_top = "",
 464                 --depth_water_top = ,
 465                 --node_water = "",
 466                 --node_river_water = "",
 467                 y_min = 5,
 468                 y_max = 5,
 469                 heat_point = 40,
 470                 humidity_point = 35,
 471         })
 472
 473         minetest.register_biome({
 474                 name = "stone_grassland_ocean",
 475                 --node_dust = "",
 476                 node_top = "default:sand",
 477                 depth_top = 1,
 478                 node_filler = "default:sand",
 479                 depth_filler = 3,
 480                 --node_stone = "",
 481                 --node_water_top = "",
 482                 --depth_water_top = ,
 483                 --node_water = "",
 484                 --node_river_water = "",
 485                 y_min = -112,
 486                 y_max = 4,
 487                 heat_point = 40,
 488                 humidity_point = 35,
 489         })
 490
 491
 492         minetest.register_biome({
 493                 name = "coniferous_forest",
 494                 --node_dust = "",
 495                 node_top = "default:dirt_with_grass",
 496                 depth_top = 1,
 497                 node_filler = "default:dirt",
 498                 depth_filler = 3,
 499                 --node_stone = "",
 500                 --node_water_top = "",
 501                 --depth_water_top = ,
 502                 --node_water = "",
 503                 --node_river_water = "",
 504                 y_min = 6,
 505                 y_max = 31000,
 506                 heat_point = 40,
 507                 humidity_point = 65,
 508         })
 509
 510         minetest.register_biome({
 511                 name = "coniferous_forest_dunes",
 512                 --node_dust = "",
 513                 node_top = "default:sand",
 514                 depth_top = 1,
 515                 node_filler = "default:sand",
 516                 depth_filler = 3,
 517                 --node_stone = "",
 518                 --node_water_top = "",
 519                 --depth_water_top = ,
 520                 --node_water = "",
 521                 --node_river_water = "",
 522                 y_min = 5,
 523                 y_max = 5,
 524                 heat_point = 40,
 525                 humidity_point = 65,
 526         })
 527
 528         minetest.register_biome({
 529                 name = "coniferous_forest_ocean",
 530                 --node_dust = "",
 531                 node_top = "default:sand",
 532                 depth_top = 1,
 533                 node_filler = "default:sand",
 534                 depth_filler = 3,
 535                 --node_stone = "",
 536                 --node_water_top = "",
 537                 --depth_water_top = ,
 538                 --node_water = "",
 539                 --node_river_water = "",
 540                 y_min = -112,
 541                 y_max = 4,
 542                 heat_point = 40,
 543                 humidity_point = 65,
 544         })
 545
 546
 547         minetest.register_biome({
 548                 name = "sandstone_grassland",
 549                 --node_dust = "",
 550                 node_top = "default:dirt_with_grass",
 551                 depth_top = 1,
 552                 node_filler = "default:dirt",
 553                 depth_filler = 1,
 554                 node_stone = "default:sandstone",
 555                 --node_water_top = "",
 556                 --depth_water_top = ,
 557                 --node_water = "",
 558                 --node_river_water = "",
 559                 y_min = 6,
 560                 y_max = 31000,
 561                 heat_point = 60,
 562                 humidity_point = 35,
 563         })
 564
 565         minetest.register_biome({
 566                 name = "sandstone_grassland_dunes",
 567                 --node_dust = "",
 568                 node_top = "default:sand",
 569                 depth_top = 1,
 570                 node_filler = "default:sand",
 571                 depth_filler = 2,
 572                 node_stone = "default:sandstone",
 573                 --node_water_top = "",
 574                 --depth_water_top = ,
 575                 --node_water = "",
 576                 --node_river_water = "",
 577                 y_min = 5,
 578                 y_max = 5,
 579                 heat_point = 60,
 580                 humidity_point = 35,
 581         })
 582
 583         minetest.register_biome({
 584                 name = "sandstone_grassland_ocean",
 585                 --node_dust = "",
 586                 node_top = "default:sand",
 587                 depth_top = 1,
 588                 node_filler = "default:sand",
 589                 depth_filler = 3,
 590                 node_stone = "default:sandstone",
 591                 --node_water_top = "",
 592                 --depth_water_top = ,
 593                 --node_water = "",
 594                 --node_river_water = "",
 595                 y_min = -112,
 596                 y_max = 4,
 597                 heat_point = 60,
 598                 humidity_point = 35,
 599         })
 600
 601
 602         minetest.register_biome({
 603                 name = "deciduous_forest",
 604                 --node_dust = "",
 605                 node_top = "default:dirt_with_grass",
 606                 depth_top = 1,
 607                 node_filler = "default:dirt",
 608                 depth_filler = 3,
 609                 --node_stone = "",
 610                 --node_water_top = "",
 611                 --depth_water_top = ,
 612                 --node_water = "",
 613                 --node_river_water = "",
 614                 y_min = 1,
 615                 y_max = 31000,
 616                 heat_point = 60,
 617                 humidity_point = 65,
 618         })
 619
 620         minetest.register_biome({
 621                 name = "deciduous_forest_swamp",
 622                 --node_dust = "",
 623                 node_top = "default:dirt",
 624                 depth_top = 1,
 625                 node_filler = "default:dirt",
 626                 depth_filler = 3,
 627                 --node_stone = "",
 628                 --node_water_top = "",
 629                 --depth_water_top = ,
 630                 --node_water = "",
 631                 --node_river_water = "",
 632                 y_min = -3,
 633                 y_max = 0,
 634                 heat_point = 60,
 635                 humidity_point = 65,
 636         })
 637
 638         minetest.register_biome({
 639                 name = "deciduous_forest_ocean",
 640                 --node_dust = "",
 641                 node_top = "default:sand",
 642                 depth_top = 1,
 643                 node_filler = "default:sand",
 644                 depth_filler = 3,
 645                 --node_stone = "",
 646                 --node_water_top = "",
 647                 --depth_water_top = ,
 648                 --node_water = "",
 649                 --node_river_water = "",
 650                 y_min = -112,
 651                 y_max = -4,
 652                 heat_point = 60,
 653                 humidity_point = 65,
 654         })
 655
 656         -- Hot
 657
 658         minetest.register_biome({
 659                 name = "desert",
 660                 --node_dust = "",
 661                 node_top = "default:desert_sand",
 662                 depth_top = 1,
 663                 node_filler = "default:desert_sand",
 664                 depth_filler = 1,
 665                 node_stone = "default:desert_stone",
 666                 --node_water_top = "",
 667                 --depth_water_top = ,
 668                 --node_water = "",
 669                 --node_river_water = "",
 670                 y_min = 5,
 671                 y_max = 31000,
 672                 heat_point = 85,
 673                 humidity_point = 20,
 674         })
 675
 676         minetest.register_biome({
 677                 name = "desert_ocean",
 678                 --node_dust = "",
 679                 node_top = "default:sand",
 680                 depth_top = 1,
 681                 node_filler = "default:sand",
 682                 depth_filler = 3,
 683                 node_stone = "default:desert_stone",
 684                 --node_water_top = "",
 685                 --depth_water_top = ,
 686                 --node_water = "",
 687                 --node_river_water = "",
 688                 y_min = -112,
 689                 y_max = 4,
 690                 heat_point = 85,
 691                 humidity_point = 20,
 692         })
 693
 694
 695         minetest.register_biome({
 696                 name = "savanna",
 697                 --node_dust = "",
 698                 node_top = "default:dirt_with_dry_grass",
 699                 depth_top = 1,
 700                 node_filler = "default:dirt",
 701                 depth_filler = 1,
 702                 --node_stone = "",
 703                 --node_water_top = "",
 704                 --depth_water_top = ,
 705                 --node_water = "",
 706                 --node_river_water = "",
 707                 y_min = 1,
 708                 y_max = 31000,
 709                 heat_point = 85,
 710                 humidity_point = 50,
 711         })
 712
 713         minetest.register_biome({
 714                 name = "savanna_swamp",
 715                 --node_dust = "",
 716                 node_top = "default:dirt",
 717                 depth_top = 1,
 718                 node_filler = "default:dirt",
 719                 depth_filler = 3,
 720                 --node_stone = "",
 721                 --node_water_top = "",
 722                 --depth_water_top = ,
 723                 --node_water = "",
 724                 --node_river_water = "",
 725                 y_min = -3,
 726                 y_max = 0,
 727                 heat_point = 85,
 728                 humidity_point = 50,
 729         })
 730
 731         minetest.register_biome({
 732                 name = "savanna_ocean",
 733                 --node_dust = "",
 734                 node_top = "default:sand",
 735                 depth_top = 1,
 736                 node_filler = "default:sand",
 737                 depth_filler = 3,
 738                 --node_stone = "",
 739                 --node_water_top = "",
 740                 --depth_water_top = ,
 741                 --node_water = "",
 742                 --node_river_water = "",
 743                 y_min = -112,
 744                 y_max = -4,
 745                 heat_point = 85,
 746                 humidity_point = 50,
 747         })
 748
 749
 750         minetest.register_biome({
 751                 name = "rainforest",
 752                 --node_dust = "",
 753                 node_top = "default:dirt_with_grass",
 754                 depth_top = 1,
 755                 node_filler = "default:dirt",
 756                 depth_filler = 3,
 757                 --node_stone = "",
 758                 --node_water_top = "",
 759                 --depth_water_top = ,
 760                 --node_water = "",
 761                 --node_river_water = "",
 762                 y_min = 1,
 763                 y_max = 31000,
 764                 heat_point = 85,
 765                 humidity_point = 80,
 766         })
 767
 768         minetest.register_biome({
 769                 name = "rainforest_swamp",
 770                 --node_dust = "",
 771                 node_top = "default:dirt",
 772                 depth_top = 1,
 773                 node_filler = "default:dirt",
 774                 depth_filler = 3,
 775                 --node_stone = "",
 776                 --node_water_top = "",
 777                 --depth_water_top = ,
 778                 --node_water = "",
 779                 --node_river_water = "",
 780                 y_min = -3,
 781                 y_max = 0,
 782                 heat_point = 85,
 783                 humidity_point = 80,
 784         })
 785
 786         minetest.register_biome({
 787                 name = "rainforest_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                 y_min = -112,
 799                 y_max = -4,
 800                 heat_point = 85,
 801                 humidity_point = 80,
 802         })
 803
 804         -- Underground
 805
 806         minetest.register_biome({
 807                 name = "underground",
 808                 --node_dust = "",
 809                 --node_top = "",
 810                 --depth_top = ,
 811                 --node_filler = "",
 812                 --depth_filler = ,
 813                 --node_stone = "",
 814                 --node_water_top = "",
 815                 --depth_water_top = ,
 816                 --node_water = "",
 817                 --node_river_water = "",
 818                 y_min = -31000,
 819                 y_max = -113,
 820                 heat_point = 50,
 821                 humidity_point = 50,
 822         })
 823 end
 824
 825
 826 --
 827 -- Register decorations
 828 --
 829
 830 -- Mgv6
 831
 832 function default.register_mgv6_decorations()
 833         minetest.clear_registered_decorations()
 834
 835         -- Papyrus
 836
 837         minetest.register_decoration({
 838                 deco_type = "simple",
 839                 place_on = {"default:dirt_with_grass"},
 840                 sidelen = 16,
 841                 noise_params = {
 842                         offset = -0.3,
 843                         scale = 0.7,
 844                         spread = {x = 100, y = 100, z = 100},
 845                         seed = 354,
 846                         octaves = 3,
 847                         persist = 0.7
 848                 },
 849                 y_min = 1,
 850                 y_max = 1,
 851                 decoration = "default:papyrus",
 852                 height = 2,
 853                 height_max = 4,
 854                 spawn_by = "default:water_source",
 855                 num_spawn_by = 1,
 856         })
 857
 858         -- Cacti
 859
 860         minetest.register_decoration({
 861                 deco_type = "simple",
 862                 place_on = {"default:desert_sand"},
 863                 sidelen = 16,
 864                 noise_params = {
 865                         offset = -0.012,
 866                         scale = 0.024,
 867                         spread = {x = 100, y = 100, z = 100},
 868                         seed = 230,
 869                         octaves = 3,
 870                         persist = 0.6
 871                 },
 872                 y_min = 1,
 873                 y_max = 30,
 874                 decoration = "default:cactus",
 875                 height = 3,
 876                 height_max = 4,
 877         })
 878
 879         -- Long grasses
 880
 881         for length = 1, 5 do
 882                 minetest.register_decoration({
 883                         deco_type = "simple",
 884                         place_on = {"default:dirt_with_grass"},
 885                         sidelen = 16,
 886                         noise_params = {
 887                                 offset = 0,
 888                                 scale = 0.007,
 889                                 spread = {x = 100, y = 100, z = 100},
 890                                 seed = 329,
 891                                 octaves = 3,
 892                                 persist = 0.6
 893                         },
 894                         y_min = 1,
 895                         y_max = 30,
 896                         decoration = "default:grass_"..length,
 897                 })
 898         end
 899
 900         -- Dry shrubs
 901
 902         minetest.register_decoration({
 903                 deco_type = "simple",
 904                 place_on = {"default:desert_sand", "default:dirt_with_snow"},
 905                 sidelen = 16,
 906                 noise_params = {
 907                         offset = 0,
 908                         scale = 0.035,
 909                         spread = {x = 100, y = 100, z = 100},
 910                         seed = 329,
 911                         octaves = 3,
 912                         persist = 0.6
 913                 },
 914                 y_min = 1,
 915                 y_max = 30,
 916                 decoration = "default:dry_shrub",
 917         })
 918 end
 919
 920 -- All mapgens except mgv6 and singlenode
 921
 922 local function register_grass_decoration(offset, scale, length)
 923         minetest.register_decoration({
 924                 deco_type = "simple",
 925                 place_on = {"default:dirt_with_grass", "default:sand"},
 926                 sidelen = 16,
 927                 noise_params = {
 928                         offset = offset,
 929                         scale = scale,
 930                         spread = {x = 200, y = 200, z = 200},
 931                         seed = 329,
 932                         octaves = 3,
 933                         persist = 0.6
 934                 },
 935                 biomes = {"stone_grassland", "sandstone_grassland",
 936                         "deciduous_forest", "coniferous_forest",
 937                         "stone_grassland_dunes", "sandstone_grassland_dunes",
 938                         "coniferous_forest_dunes"},
 939                 y_min = 1,
 940                 y_max = 31000,
 941                 decoration = "default:grass_"..length,
 942         })
 943 end
 944
 945 local function register_dry_grass_decoration(offset, scale, length)
 946         minetest.register_decoration({
 947                 deco_type = "simple",
 948                 place_on = {"default:dirt_with_dry_grass"},
 949                 sidelen = 16,
 950                 noise_params = {
 951                         offset = offset,
 952                         scale = scale,
 953                         spread = {x = 200, y = 200, z = 200},
 954                         seed = 329,
 955                         octaves = 3,
 956                         persist = 0.6
 957                 },
 958                 biomes = {"savanna"},
 959                 y_min = 1,
 960                 y_max = 31000,
 961                 decoration = "default:dry_grass_"..length,
 962         })
 963 end
 964
 965 function default.register_decorations()
 966         minetest.clear_registered_decorations()
 967
 968         -- Apple tree
 969
 970         minetest.register_decoration({
 971                 deco_type = "schematic",
 972                 place_on = {"default:dirt_with_grass"},
 973                 sidelen = 16,
 974                 noise_params = {
 975                         offset = 0.04,
 976                         scale = 0.02,
 977                         spread = {x = 250, y = 250, z = 250},
 978                         seed = 2,
 979                         octaves = 3,
 980                         persist = 0.66
 981                 },
 982                 biomes = {"deciduous_forest"},
 983                 y_min = 1,
 984                 y_max = 31000,
 985                 schematic = minetest.get_modpath("default").."/schematics/apple_tree.mts",
 986                 flags = "place_center_x, place_center_z",
 987         })
 988
 989         -- Jungle tree
 990
 991         minetest.register_decoration({
 992                 deco_type = "schematic",
 993                 place_on = {"default:dirt_with_grass", "default:dirt"},
 994                 sidelen = 80,
 995                 fill_ratio = 0.09,
 996                 biomes = {"rainforest", "rainforest_swamp"},
 997                 y_min = 0,
 998                 y_max = 31000,
 999                 schematic = minetest.get_modpath("default").."/schematics/jungle_tree.mts",
1000                 flags = "place_center_x, place_center_z",
1001                 rotation = "random",
1002         })
1003
1004         -- Taiga and temperate coniferous forest pine tree
1005
1006         minetest.register_decoration({
1007                 deco_type = "schematic",
1008                 place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
1009                 sidelen = 16,
1010                 noise_params = {
1011                         offset = 0.04,
1012                         scale = 0.02,
1013                         spread = {x = 250, y = 250, z = 250},
1014                         seed = 2,
1015                         octaves = 3,
1016                         persist = 0.66
1017                 },
1018                 biomes = {"taiga", "coniferous_forest"},
1019                 y_min = 2,
1020                 y_max = 31000,
1021                 schematic = minetest.get_modpath("default").."/schematics/pine_tree.mts",
1022                 flags = "place_center_x, place_center_z",
1023         })
1024
1025         -- Acacia tree
1026
1027         minetest.register_decoration({
1028                 deco_type = "schematic",
1029                 place_on = {"default:dirt_with_dry_grass"},
1030                 sidelen = 16,
1031                 noise_params = {
1032                         offset = 0,
1033                         scale = 0.002,
1034                         spread = {x = 250, y = 250, z = 250},
1035                         seed = 2,
1036                         octaves = 3,
1037                         persist = 0.66
1038                 },
1039                 biomes = {"savanna"},
1040                 y_min = 1,
1041                 y_max = 31000,
1042                 schematic = minetest.get_modpath("default").."/schematics/acacia_tree.mts",
1043                 flags = "place_center_x, place_center_z",
1044                 rotation = "random",
1045         })
1046
1047         -- Large cactus
1048
1049         minetest.register_decoration({
1050                 deco_type = "schematic",
1051                 place_on = {"default:desert_sand"},
1052                 sidelen = 16,
1053                 noise_params = {
1054                         offset = -0.0003,
1055                         scale = 0.0009,
1056                         spread = {x = 200, y = 200, z = 200},
1057                         seed = 230,
1058                         octaves = 3,
1059                         persist = 0.6
1060                 },
1061                 biomes = {"desert"},
1062                 y_min = 5,
1063                 y_max = 31000,
1064                 schematic = minetest.get_modpath("default").."/schematics/large_cactus.mts",
1065                 flags = "place_center_x",
1066                 rotation = "random",
1067         })
1068
1069         -- Cactus
1070
1071         minetest.register_decoration({
1072                 deco_type = "simple",
1073                 place_on = {"default:desert_sand"},
1074                 sidelen = 16,
1075                 noise_params = {
1076                         offset = -0.0003,
1077                         scale = 0.0009,
1078                         spread = {x = 200, y = 200, z = 200},
1079                         seed = 230,
1080                         octaves = 3,
1081                         persist = 0.6
1082                 },
1083                 biomes = {"desert"},
1084                 y_min = 5,
1085                 y_max = 31000,
1086                 decoration = "default:cactus",
1087                 height = 2,
1088                 height_max = 5,
1089         })
1090
1091         -- Papyrus
1092
1093         minetest.register_decoration({
1094                 deco_type = "schematic",
1095                 place_on = {"default:dirt"},
1096                 sidelen = 16,
1097                 noise_params = {
1098                         offset = -0.3,
1099                         scale = 0.7,
1100                         spread = {x = 200, y = 200, z = 200},
1101                         seed = 354,
1102                         octaves = 3,
1103                         persist = 0.7
1104                 },
1105                 biomes = {"savanna_swamp"},
1106                 y_min = 0,
1107                 y_max = 0,
1108                 schematic = minetest.get_modpath("default").."/schematics/papyrus.mts",
1109         })
1110
1111         -- Grasses
1112
1113         register_grass_decoration(-0.03,  0.09,  5)
1114         register_grass_decoration(-0.015, 0.075, 4)
1115         register_grass_decoration(0,      0.06,  3)
1116         register_grass_decoration(0.015,  0.045, 2)
1117         register_grass_decoration(0.03,   0.03,  1)
1118
1119         -- Dry grasses
1120
1121         register_dry_grass_decoration(0.01, 0.05,  5)
1122         register_dry_grass_decoration(0.03, 0.03,  4)
1123         register_dry_grass_decoration(0.05, 0.01,  3)
1124         register_dry_grass_decoration(0.07, -0.01, 2)
1125         register_dry_grass_decoration(0.09, -0.03, 1)
1126
1127         -- Junglegrass
1128
1129         minetest.register_decoration({
1130                 deco_type = "simple",
1131                 place_on = {"default:dirt_with_grass"},
1132                 sidelen = 80,
1133                 fill_ratio = 0.1,
1134                 biomes = {"rainforest"},
1135                 y_min = 1,
1136                 y_max = 31000,
1137                 decoration = "default:junglegrass",
1138         })
1139
1140         -- Dry shrub
1141
1142         minetest.register_decoration({
1143                 deco_type = "simple",
1144                 place_on = {"default:desert_sand", "default:dirt_with_snow"},
1145                 sidelen = 16,
1146                 noise_params = {
1147                         offset = 0,
1148                         scale = 0.02,
1149                         spread = {x = 200, y = 200, z = 200},
1150                         seed = 329,
1151                         octaves = 3,
1152                         persist = 0.6
1153                 },
1154                 biomes = {"desert", "tundra"},
1155                 y_min = 2,
1156                 y_max = 31000,
1157                 decoration = "default:dry_shrub",
1158         })
1159 end
1160
1161
1162 --
1163 -- Generate nyan cats
1164 --
1165
1166 -- All mapgens except singlenode
1167
1168 function default.make_nyancat(pos, facedir, length)
1169         local tailvec = {x = 0, y = 0, z = 0}
1170         if facedir == 0 then
1171                 tailvec.z = 1
1172         elseif facedir == 1 then
1173                 tailvec.x = 1
1174         elseif facedir == 2 then
1175                 tailvec.z = -1
1176         elseif facedir == 3 then
1177                 tailvec.x = -1
1178         else
1179                 facedir = 0
1180                 tailvec.z = 1
1181         end
1182         local p = {x = pos.x, y = pos.y, z = pos.z}
1183         minetest.set_node(p, {name = "default:nyancat", param2 = facedir})
1184         for i = 1, length do
1185                 p.x = p.x + tailvec.x
1186                 p.z = p.z + tailvec.z
1187                 minetest.set_node(p, {name = "default:nyancat_rainbow", param2 = facedir})
1188         end
1189 end
1190
1191 function default.generate_nyancats(minp, maxp, seed)
1192         local height_min = -31000
1193         local height_max = -32
1194         if maxp.y < height_min or minp.y > height_max then
1195                 return
1196         end
1197         local y_min = math.max(minp.y, height_min)
1198         local y_max = math.min(maxp.y, height_max)
1199         local volume = (maxp.x - minp.x + 1) * (y_max - y_min + 1) * (maxp.z - minp.z + 1)
1200         local pr = PseudoRandom(seed + 9324342)
1201         local max_num_nyancats = math.floor(volume / (16 * 16 * 16))
1202         for i = 1, max_num_nyancats do
1203                 if pr:next(0, 1000) == 0 then
1204                         local x0 = pr:next(minp.x, maxp.x)
1205                         local y0 = pr:next(minp.y, maxp.y)
1206                         local z0 = pr:next(minp.z, maxp.z)
1207                         local p0 = {x = x0, y = y0, z = z0}
1208                         default.make_nyancat(p0, pr:next(0, 3), pr:next(3, 15))
1209                 end
1210         end
1211 end
1212
1213
1214 --
1215 -- Detect mapgen to select functions
1216 --
1217
1218 -- Mods using singlenode mapgen can call these functions to enable
1219 -- the use of minetest.generate_ores or minetest.generate_decorations
1220
1221 local mg_params = minetest.get_mapgen_params()
1222 if mg_params.mgname == "v6" then
1223         default.register_ores()
1224         default.register_mgv6_decorations()
1225         minetest.register_on_generated(default.generate_nyancats)
1226 elseif mg_params.mgname ~= "singlenode" then
1227         default.register_ores()
1228         default.register_biomes()
1229         default.register_decorations()
1230         minetest.register_on_generated(default.generate_nyancats)
1231 end