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", "default:sandstone",
  77                         "default:desert_stone"},
  78                 clust_scarcity  = 16 * 16 * 16,
  79                 clust_size      = 5,
  80                 y_min           = -31,
  81                 y_max           = 4,
  82                 noise_threshold = 0.0,
  83                 noise_params    = {
  84                         offset = 0.5,
  85                         scale = 0.2,
  86                         spread = {x = 5, y = 5, z = 5},
  87                         seed = 2316,
  88                         octaves = 1,
  89                         persist = 0.0
  90                 },
  91         })
  92
  93         -- Dirt
  94
  95         minetest.register_ore({
  96                 ore_type        = "blob",
  97                 ore             = "default:dirt",
  98                 wherein         = {"default:stone", "default:sandstone"},
  99                 clust_scarcity  = 16 * 16 * 16,
 100                 clust_size      = 5,
 101                 y_min           = -31,
 102                 y_max           = 31000,
 103                 noise_threshold = 0.0,
 104                 noise_params    = {
 105                         offset = 0.5,
 106                         scale = 0.2,
 107                         spread = {x = 5, y = 5, z = 5},
 108                         seed = 17676,
 109                         octaves = 1,
 110                         persist = 0.0
 111                 },
 112         })
 113
 114         -- Gravel
 115
 116         minetest.register_ore({
 117                 ore_type        = "blob",
 118                 ore             = "default:gravel",
 119                 wherein         = {"default:stone"},
 120                 clust_scarcity  = 16 * 16 * 16,
 121                 clust_size      = 5,
 122                 y_min           = -31000,
 123                 y_max           = 31000,
 124                 noise_threshold = 0.0,
 125                 noise_params    = {
 126                         offset = 0.5,
 127                         scale = 0.2,
 128                         spread = {x = 5, y = 5, z = 5},
 129                         seed = 766,
 130                         octaves = 1,
 131                         persist = 0.0
 132                 },
 133         })
 134
 135         -- Coal
 136
 137         minetest.register_ore({
 138                 ore_type       = "scatter",
 139                 ore            = "default:stone_with_coal",
 140                 wherein        = "default:stone",
 141                 clust_scarcity = 8 * 8 * 8,
 142                 clust_num_ores = 8,
 143                 clust_size     = 3,
 144                 y_min          = -31000,
 145                 y_max          = 64,
 146         })
 147
 148         minetest.register_ore({
 149                 ore_type       = "scatter",
 150                 ore            = "default:stone_with_coal",
 151                 wherein        = "default:stone",
 152                 clust_scarcity = 24 * 24 * 24,
 153                 clust_num_ores = 27,
 154                 clust_size     = 6,
 155                 y_min          = -31000,
 156                 y_max          = 0,
 157         })
 158
 159         -- Iron
 160
 161         minetest.register_ore({
 162                 ore_type       = "scatter",
 163                 ore            = "default:stone_with_iron",
 164                 wherein        = "default:stone",
 165                 clust_scarcity = 12 * 12 * 12,
 166                 clust_num_ores = 3,
 167                 clust_size     = 2,
 168                 y_min          = -15,
 169                 y_max          = 2,
 170         })
 171
 172         minetest.register_ore({
 173                 ore_type       = "scatter",
 174                 ore            = "default:stone_with_iron",
 175                 wherein        = "default:stone",
 176                 clust_scarcity = 9 * 9 * 9,
 177                 clust_num_ores = 5,
 178                 clust_size     = 3,
 179                 y_min          = -63,
 180                 y_max          = -16,
 181         })
 182
 183         minetest.register_ore({
 184                 ore_type       = "scatter",
 185                 ore            = "default:stone_with_iron",
 186                 wherein        = "default:stone",
 187                 clust_scarcity = 7 * 7 * 7,
 188                 clust_num_ores = 5,
 189                 clust_size     = 3,
 190                 y_min          = -31000,
 191                 y_max          = -64,
 192         })
 193
 194         minetest.register_ore({
 195                 ore_type       = "scatter",
 196                 ore            = "default:stone_with_iron",
 197                 wherein        = "default:stone",
 198                 clust_scarcity = 24 * 24 * 24,
 199                 clust_num_ores = 27,
 200                 clust_size     = 6,
 201                 y_min          = -31000,
 202                 y_max          = -64,
 203         })
 204
 205         --Mese
 206
 207         minetest.register_ore({
 208                 ore_type       = "scatter",
 209                 ore            = "default:stone_with_mese",
 210                 wherein        = "default:stone",
 211                 clust_scarcity = 18 * 18 * 18,
 212                 clust_num_ores = 3,
 213                 clust_size     = 2,
 214                 y_min          = -255,
 215                 y_max          = -64,
 216         })
 217
 218         minetest.register_ore({
 219                 ore_type       = "scatter",
 220                 ore            = "default:stone_with_mese",
 221                 wherein        = "default:stone",
 222                 clust_scarcity = 14 * 14 * 14,
 223                 clust_num_ores = 5,
 224                 clust_size     = 3,
 225                 y_min          = -31000,
 226                 y_max          = -256,
 227         })
 228
 229         minetest.register_ore({
 230                 ore_type       = "scatter",
 231                 ore            = "default:mese",
 232                 wherein        = "default:stone",
 233                 clust_scarcity = 36 * 36 * 36,
 234                 clust_num_ores = 3,
 235                 clust_size     = 2,
 236                 y_min          = -31000,
 237                 y_max          = -1024,
 238         })
 239
 240         -- Gold
 241
 242         minetest.register_ore({
 243                 ore_type       = "scatter",
 244                 ore            = "default:stone_with_gold",
 245                 wherein        = "default:stone",
 246                 clust_scarcity = 15 * 15 * 15,
 247                 clust_num_ores = 3,
 248                 clust_size     = 2,
 249                 y_min          = -255,
 250                 y_max          = -64,
 251         })
 252
 253         minetest.register_ore({
 254                 ore_type       = "scatter",
 255                 ore            = "default:stone_with_gold",
 256                 wherein        = "default:stone",
 257                 clust_scarcity = 13 * 13 * 13,
 258                 clust_num_ores = 5,
 259                 clust_size     = 3,
 260                 y_min          = -31000,
 261                 y_max          = -256,
 262         })
 263
 264         -- Diamond
 265
 266         minetest.register_ore({
 267                 ore_type       = "scatter",
 268                 ore            = "default:stone_with_diamond",
 269                 wherein        = "default:stone",
 270                 clust_scarcity = 17 * 17 * 17,
 271                 clust_num_ores = 4,
 272                 clust_size     = 3,
 273                 y_min          = -255,
 274                 y_max          = -128,
 275         })
 276
 277         minetest.register_ore({
 278                 ore_type       = "scatter",
 279                 ore            = "default:stone_with_diamond",
 280                 wherein        = "default:stone",
 281                 clust_scarcity = 15 * 15 * 15,
 282                 clust_num_ores = 4,
 283                 clust_size     = 3,
 284                 y_min          = -31000,
 285                 y_max          = -256,
 286         })
 287
 288         -- Copper
 289
 290         minetest.register_ore({
 291                 ore_type       = "scatter",
 292                 ore            = "default:stone_with_copper",
 293                 wherein        = "default:stone",
 294                 clust_scarcity = 12 * 12 * 12,
 295                 clust_num_ores = 4,
 296                 clust_size     = 3,
 297                 y_min          = -63,
 298                 y_max          = -16,
 299         })
 300
 301         minetest.register_ore({
 302                 ore_type       = "scatter",
 303                 ore            = "default:stone_with_copper",
 304                 wherein        = "default:stone",
 305                 clust_scarcity = 9 * 9 * 9,
 306                 clust_num_ores = 5,
 307                 clust_size     = 3,
 308                 y_min          = -31000,
 309                 y_max          = -64,
 310         })
 311 end
 312
 313
 314 --
 315 -- Register biomes
 316 --
 317
 318 -- All mapgens except mgv6 and singlenode
 319
 320 function default.register_biomes()
 321         minetest.clear_registered_biomes()
 322
 323         -- Permanent ice
 324
 325         minetest.register_biome({
 326                 name = "glacier",
 327                 node_dust = "default:snowblock",
 328                 node_top = "default:snowblock",
 329                 depth_top = 1,
 330                 node_filler = "default:snowblock",
 331                 depth_filler = 3,
 332                 node_stone = "default:ice",
 333                 node_water_top = "default:ice",
 334                 depth_water_top = 10,
 335                 --node_water = "",
 336                 node_river_water = "default:ice",
 337                 y_min = -8,
 338                 y_max = 31000,
 339                 heat_point = 0,
 340                 humidity_point = 50,
 341         })
 342
 343         minetest.register_biome({
 344                 name = "glacier_ocean",
 345                 node_dust = "default:snowblock",
 346                 node_top = "default:sand",
 347                 depth_top = 1,
 348                 node_filler = "default:sand",
 349                 depth_filler = 3,
 350                 --node_stone = "",
 351                 --node_water_top = "",
 352                 --depth_water_top = ,
 353                 --node_water = "",
 354                 --node_river_water = "",
 355                 y_min = -112,
 356                 y_max = -9,
 357                 heat_point = 0,
 358                 humidity_point = 50,
 359         })
 360
 361         -- Cold
 362
 363         minetest.register_biome({
 364                 name = "tundra",
 365                 --node_dust = "",
 366                 node_top = "default:dirt_with_snow",
 367                 depth_top = 1,
 368                 node_filler = "default:dirt",
 369                 depth_filler = 1,
 370                 --node_stone = "",
 371                 --node_water_top = "",
 372                 --depth_water_top = ,
 373                 --node_water = "",
 374                 --node_river_water = "",
 375                 y_min = 2,
 376                 y_max = 31000,
 377                 heat_point = 15,
 378                 humidity_point = 35,
 379         })
 380
 381         minetest.register_biome({
 382                 name = "tundra_beach",
 383                 --node_dust = "",
 384                 node_top = "default:gravel",
 385                 depth_top = 1,
 386                 node_filler = "default:gravel",
 387                 depth_filler = 2,
 388                 --node_stone = "",
 389                 --node_water_top = "",
 390                 --depth_water_top = ,
 391                 --node_water = "",
 392                 --node_river_water = "",
 393                 y_min = -3,
 394                 y_max = 1,
 395                 heat_point = 15,
 396                 humidity_point = 35,
 397         })
 398
 399         minetest.register_biome({
 400                 name = "tundra_ocean",
 401                 --node_dust = "",
 402                 node_top = "default:sand",
 403                 depth_top = 1,
 404                 node_filler = "default:sand",
 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 = -112,
 412                 y_max = -4,
 413                 heat_point = 15,
 414                 humidity_point = 35,
 415         })
 416
 417
 418         minetest.register_biome({
 419                 name = "taiga",
 420                 node_dust = "default:snow",
 421                 node_top = "default:dirt_with_snow",
 422                 depth_top = 1,
 423                 node_filler = "default:dirt",
 424                 depth_filler = 3,
 425                 --node_stone = "",
 426                 --node_water_top = "",
 427                 --depth_water_top = ,
 428                 --node_water = "",
 429                 --node_river_water = "",
 430                 y_min = 2,
 431                 y_max = 31000,
 432                 heat_point = 15,
 433                 humidity_point = 65,
 434         })
 435
 436         minetest.register_biome({
 437                 name = "taiga_ocean",
 438                 --node_dust = "",
 439                 node_top = "default:sand",
 440                 depth_top = 1,
 441                 node_filler = "default:sand",
 442                 depth_filler = 3,
 443                 --node_stone = "",
 444                 --node_water_top = "",
 445                 --depth_water_top = ,
 446                 --node_water = "",
 447                 --node_river_water = "",
 448                 y_min = -112,
 449                 y_max = 1,
 450                 heat_point = 15,
 451                 humidity_point = 65,
 452         })
 453
 454         -- Temperate
 455
 456         minetest.register_biome({
 457                 name = "stone_grassland",
 458                 --node_dust = "",
 459                 node_top = "default:dirt_with_grass",
 460                 depth_top = 1,
 461                 node_filler = "default:dirt",
 462                 depth_filler = 1,
 463                 --node_stone = "",
 464                 --node_water_top = "",
 465                 --depth_water_top = ,
 466                 --node_water = "",
 467                 --node_river_water = "",
 468                 y_min = 6,
 469                 y_max = 31000,
 470                 heat_point = 40,
 471                 humidity_point = 35,
 472         })
 473
 474         minetest.register_biome({
 475                 name = "stone_grassland_dunes",
 476                 --node_dust = "",
 477                 node_top = "default:sand",
 478                 depth_top = 1,
 479                 node_filler = "default:sand",
 480                 depth_filler = 2,
 481                 --node_stone = "",
 482                 --node_water_top = "",
 483                 --depth_water_top = ,
 484                 --node_water = "",
 485                 --node_river_water = "",
 486                 y_min = 5,
 487                 y_max = 5,
 488                 heat_point = 40,
 489                 humidity_point = 35,
 490         })
 491
 492         minetest.register_biome({
 493                 name = "stone_grassland_ocean",
 494                 --node_dust = "",
 495                 node_top = "default:sand",
 496                 depth_top = 1,
 497                 node_filler = "default:sand",
 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 = -112,
 505                 y_max = 4,
 506                 heat_point = 40,
 507                 humidity_point = 35,
 508         })
 509
 510
 511         minetest.register_biome({
 512                 name = "coniferous_forest",
 513                 --node_dust = "",
 514                 node_top = "default:dirt_with_grass",
 515                 depth_top = 1,
 516                 node_filler = "default:dirt",
 517                 depth_filler = 3,
 518                 --node_stone = "",
 519                 --node_water_top = "",
 520                 --depth_water_top = ,
 521                 --node_water = "",
 522                 --node_river_water = "",
 523                 y_min = 6,
 524                 y_max = 31000,
 525                 heat_point = 40,
 526                 humidity_point = 65,
 527         })
 528
 529         minetest.register_biome({
 530                 name = "coniferous_forest_dunes",
 531                 --node_dust = "",
 532                 node_top = "default:sand",
 533                 depth_top = 1,
 534                 node_filler = "default:sand",
 535                 depth_filler = 3,
 536                 --node_stone = "",
 537                 --node_water_top = "",
 538                 --depth_water_top = ,
 539                 --node_water = "",
 540                 --node_river_water = "",
 541                 y_min = 5,
 542                 y_max = 5,
 543                 heat_point = 40,
 544                 humidity_point = 65,
 545         })
 546
 547         minetest.register_biome({
 548                 name = "coniferous_forest_ocean",
 549                 --node_dust = "",
 550                 node_top = "default:sand",
 551                 depth_top = 1,
 552                 node_filler = "default:sand",
 553                 depth_filler = 3,
 554                 --node_stone = "",
 555                 --node_water_top = "",
 556                 --depth_water_top = ,
 557                 --node_water = "",
 558                 --node_river_water = "",
 559                 y_min = -112,
 560                 y_max = 4,
 561                 heat_point = 40,
 562                 humidity_point = 65,
 563         })
 564
 565
 566         minetest.register_biome({
 567                 name = "sandstone_grassland",
 568                 --node_dust = "",
 569                 node_top = "default:dirt_with_grass",
 570                 depth_top = 1,
 571                 node_filler = "default:dirt",
 572                 depth_filler = 1,
 573                 node_stone = "default:sandstone",
 574                 --node_water_top = "",
 575                 --depth_water_top = ,
 576                 --node_water = "",
 577                 --node_river_water = "",
 578                 y_min = 6,
 579                 y_max = 31000,
 580                 heat_point = 60,
 581                 humidity_point = 35,
 582         })
 583
 584         minetest.register_biome({
 585                 name = "sandstone_grassland_dunes",
 586                 --node_dust = "",
 587                 node_top = "default:sand",
 588                 depth_top = 1,
 589                 node_filler = "default:sand",
 590                 depth_filler = 2,
 591                 node_stone = "default:sandstone",
 592                 --node_water_top = "",
 593                 --depth_water_top = ,
 594                 --node_water = "",
 595                 --node_river_water = "",
 596                 y_min = 5,
 597                 y_max = 5,
 598                 heat_point = 60,
 599                 humidity_point = 35,
 600         })
 601
 602         minetest.register_biome({
 603                 name = "sandstone_grassland_ocean",
 604                 --node_dust = "",
 605                 node_top = "default:sand",
 606                 depth_top = 1,
 607                 node_filler = "default:sand",
 608                 depth_filler = 3,
 609                 node_stone = "default:sandstone",
 610                 --node_water_top = "",
 611                 --depth_water_top = ,
 612                 --node_water = "",
 613                 --node_river_water = "",
 614                 y_min = -112,
 615                 y_max = 4,
 616                 heat_point = 60,
 617                 humidity_point = 35,
 618         })
 619
 620
 621         minetest.register_biome({
 622                 name = "deciduous_forest",
 623                 --node_dust = "",
 624                 node_top = "default:dirt_with_grass",
 625                 depth_top = 1,
 626                 node_filler = "default:dirt",
 627                 depth_filler = 3,
 628                 --node_stone = "",
 629                 --node_water_top = "",
 630                 --depth_water_top = ,
 631                 --node_water = "",
 632                 --node_river_water = "",
 633                 y_min = 1,
 634                 y_max = 31000,
 635                 heat_point = 60,
 636                 humidity_point = 65,
 637         })
 638
 639         minetest.register_biome({
 640                 name = "deciduous_forest_swamp",
 641                 --node_dust = "",
 642                 node_top = "default:dirt",
 643                 depth_top = 1,
 644                 node_filler = "default:dirt",
 645                 depth_filler = 3,
 646                 --node_stone = "",
 647                 --node_water_top = "",
 648                 --depth_water_top = ,
 649                 --node_water = "",
 650                 --node_river_water = "",
 651                 y_min = -3,
 652                 y_max = 0,
 653                 heat_point = 60,
 654                 humidity_point = 65,
 655         })
 656
 657         minetest.register_biome({
 658                 name = "deciduous_forest_ocean",
 659                 --node_dust = "",
 660                 node_top = "default:sand",
 661                 depth_top = 1,
 662                 node_filler = "default:sand",
 663                 depth_filler = 3,
 664                 --node_stone = "",
 665                 --node_water_top = "",
 666                 --depth_water_top = ,
 667                 --node_water = "",
 668                 --node_river_water = "",
 669                 y_min = -112,
 670                 y_max = -4,
 671                 heat_point = 60,
 672                 humidity_point = 65,
 673         })
 674
 675         -- Hot
 676
 677         minetest.register_biome({
 678                 name = "desert",
 679                 --node_dust = "",
 680                 node_top = "default:desert_sand",
 681                 depth_top = 1,
 682                 node_filler = "default:desert_sand",
 683                 depth_filler = 1,
 684                 node_stone = "default:desert_stone",
 685                 --node_water_top = "",
 686                 --depth_water_top = ,
 687                 --node_water = "",
 688                 --node_river_water = "",
 689                 y_min = 5,
 690                 y_max = 31000,
 691                 heat_point = 85,
 692                 humidity_point = 20,
 693         })
 694
 695         minetest.register_biome({
 696                 name = "desert_ocean",
 697                 --node_dust = "",
 698                 node_top = "default:sand",
 699                 depth_top = 1,
 700                 node_filler = "default:sand",
 701                 depth_filler = 3,
 702                 node_stone = "default:desert_stone",
 703                 --node_water_top = "",
 704                 --depth_water_top = ,
 705                 --node_water = "",
 706                 --node_river_water = "",
 707                 y_min = -112,
 708                 y_max = 4,
 709                 heat_point = 85,
 710                 humidity_point = 20,
 711         })
 712
 713
 714         minetest.register_biome({
 715                 name = "savanna",
 716                 --node_dust = "",
 717                 node_top = "default:dirt_with_dry_grass",
 718                 depth_top = 1,
 719                 node_filler = "default:dirt",
 720                 depth_filler = 1,
 721                 --node_stone = "",
 722                 --node_water_top = "",
 723                 --depth_water_top = ,
 724                 --node_water = "",
 725                 --node_river_water = "",
 726                 y_min = 1,
 727                 y_max = 31000,
 728                 heat_point = 85,
 729                 humidity_point = 50,
 730         })
 731
 732         minetest.register_biome({
 733                 name = "savanna_swamp",
 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                 y_min = -3,
 745                 y_max = 0,
 746                 heat_point = 85,
 747                 humidity_point = 50,
 748         })
 749
 750         minetest.register_biome({
 751                 name = "savanna_ocean",
 752                 --node_dust = "",
 753                 node_top = "default:sand",
 754                 depth_top = 1,
 755                 node_filler = "default:sand",
 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 = -112,
 763                 y_max = -4,
 764                 heat_point = 85,
 765                 humidity_point = 50,
 766         })
 767
 768
 769         minetest.register_biome({
 770                 name = "rainforest",
 771                 --node_dust = "",
 772                 node_top = "default:dirt_with_grass",
 773                 depth_top = 1,
 774                 node_filler = "default:dirt",
 775                 depth_filler = 3,
 776                 --node_stone = "",
 777                 --node_water_top = "",
 778                 --depth_water_top = ,
 779                 --node_water = "",
 780                 --node_river_water = "",
 781                 y_min = 1,
 782                 y_max = 31000,
 783                 heat_point = 85,
 784                 humidity_point = 80,
 785         })
 786
 787         minetest.register_biome({
 788                 name = "rainforest_swamp",
 789                 --node_dust = "",
 790                 node_top = "default:dirt",
 791                 depth_top = 1,
 792                 node_filler = "default:dirt",
 793                 depth_filler = 3,
 794                 --node_stone = "",
 795                 --node_water_top = "",
 796                 --depth_water_top = ,
 797                 --node_water = "",
 798                 --node_river_water = "",
 799                 y_min = -3,
 800                 y_max = 0,
 801                 heat_point = 85,
 802                 humidity_point = 80,
 803         })
 804
 805         minetest.register_biome({
 806                 name = "rainforest_ocean",
 807                 --node_dust = "",
 808                 node_top = "default:sand",
 809                 depth_top = 1,
 810                 node_filler = "default:sand",
 811                 depth_filler = 3,
 812                 --node_stone = "",
 813                 --node_water_top = "",
 814                 --depth_water_top = ,
 815                 --node_water = "",
 816                 --node_river_water = "",
 817                 y_min = -112,
 818                 y_max = -4,
 819                 heat_point = 85,
 820                 humidity_point = 80,
 821         })
 822
 823         -- Underground
 824
 825         minetest.register_biome({
 826                 name = "underground",
 827                 --node_dust = "",
 828                 --node_top = "",
 829                 --depth_top = ,
 830                 --node_filler = "",
 831                 --depth_filler = ,
 832                 --node_stone = "",
 833                 --node_water_top = "",
 834                 --depth_water_top = ,
 835                 --node_water = "",
 836                 --node_river_water = "",
 837                 y_min = -31000,
 838                 y_max = -113,
 839                 heat_point = 50,
 840                 humidity_point = 50,
 841         })
 842 end
 843
 844
 845 --
 846 -- Register decorations
 847 --
 848
 849 -- Mgv6
 850
 851 function default.register_mgv6_decorations()
 852         minetest.clear_registered_decorations()
 853
 854         -- Papyrus
 855
 856         minetest.register_decoration({
 857                 deco_type = "simple",
 858                 place_on = {"default:dirt_with_grass"},
 859                 sidelen = 16,
 860                 noise_params = {
 861                         offset = -0.3,
 862                         scale = 0.7,
 863                         spread = {x = 100, y = 100, z = 100},
 864                         seed = 354,
 865                         octaves = 3,
 866                         persist = 0.7
 867                 },
 868                 y_min = 1,
 869                 y_max = 1,
 870                 decoration = "default:papyrus",
 871                 height = 2,
 872                 height_max = 4,
 873                 spawn_by = "default:water_source",
 874                 num_spawn_by = 1,
 875         })
 876
 877         -- Cacti
 878
 879         minetest.register_decoration({
 880                 deco_type = "simple",
 881                 place_on = {"default:desert_sand"},
 882                 sidelen = 16,
 883                 noise_params = {
 884                         offset = -0.012,
 885                         scale = 0.024,
 886                         spread = {x = 100, y = 100, z = 100},
 887                         seed = 230,
 888                         octaves = 3,
 889                         persist = 0.6
 890                 },
 891                 y_min = 1,
 892                 y_max = 30,
 893                 decoration = "default:cactus",
 894                 height = 3,
 895                 height_max = 4,
 896         })
 897
 898         -- Long grasses
 899
 900         for length = 1, 5 do
 901                 minetest.register_decoration({
 902                         deco_type = "simple",
 903                         place_on = {"default:dirt_with_grass"},
 904                         sidelen = 16,
 905                         noise_params = {
 906                                 offset = 0,
 907                                 scale = 0.007,
 908                                 spread = {x = 100, y = 100, z = 100},
 909                                 seed = 329,
 910                                 octaves = 3,
 911                                 persist = 0.6
 912                         },
 913                         y_min = 1,
 914                         y_max = 30,
 915                         decoration = "default:grass_"..length,
 916                 })
 917         end
 918
 919         -- Dry shrubs
 920
 921         minetest.register_decoration({
 922                 deco_type = "simple",
 923                 place_on = {"default:desert_sand", "default:dirt_with_snow"},
 924                 sidelen = 16,
 925                 noise_params = {
 926                         offset = 0,
 927                         scale = 0.035,
 928                         spread = {x = 100, y = 100, z = 100},
 929                         seed = 329,
 930                         octaves = 3,
 931                         persist = 0.6
 932                 },
 933                 y_min = 1,
 934                 y_max = 30,
 935                 decoration = "default:dry_shrub",
 936         })
 937 end
 938
 939 -- All mapgens except mgv6 and singlenode
 940
 941 local function register_grass_decoration(offset, scale, length)
 942         minetest.register_decoration({
 943                 deco_type = "simple",
 944                 place_on = {"default:dirt_with_grass", "default:sand"},
 945                 sidelen = 16,
 946                 noise_params = {
 947                         offset = offset,
 948                         scale = scale,
 949                         spread = {x = 200, y = 200, z = 200},
 950                         seed = 329,
 951                         octaves = 3,
 952                         persist = 0.6
 953                 },
 954                 biomes = {"stone_grassland", "sandstone_grassland",
 955                         "deciduous_forest", "coniferous_forest",
 956                         "stone_grassland_dunes", "sandstone_grassland_dunes",
 957                         "coniferous_forest_dunes"},
 958                 y_min = 1,
 959                 y_max = 31000,
 960                 decoration = "default:grass_"..length,
 961         })
 962 end
 963
 964 local function register_dry_grass_decoration(offset, scale, length)
 965         minetest.register_decoration({
 966                 deco_type = "simple",
 967                 place_on = {"default:dirt_with_dry_grass"},
 968                 sidelen = 16,
 969                 noise_params = {
 970                         offset = offset,
 971                         scale = scale,
 972                         spread = {x = 200, y = 200, z = 200},
 973                         seed = 329,
 974                         octaves = 3,
 975                         persist = 0.6
 976                 },
 977                 biomes = {"savanna"},
 978                 y_min = 1,
 979                 y_max = 31000,
 980                 decoration = "default:dry_grass_"..length,
 981         })
 982 end
 983
 984 function default.register_decorations()
 985         minetest.clear_registered_decorations()
 986
 987         -- Apple tree and log
 988
 989         minetest.register_decoration({
 990                 deco_type = "schematic",
 991                 place_on = {"default:dirt_with_grass"},
 992                 sidelen = 16,
 993                 noise_params = {
 994                         offset = 0.036,
 995                         scale = 0.022,
 996                         spread = {x = 250, y = 250, z = 250},
 997                         seed = 2,
 998                         octaves = 3,
 999                         persist = 0.66
1000                 },
1001                 biomes = {"deciduous_forest"},
1002                 y_min = 1,
1003                 y_max = 31000,
1004                 schematic = minetest.get_modpath("default").."/schematics/apple_tree.mts",
1005                 flags = "place_center_x, place_center_z",
1006         })
1007
1008         minetest.register_decoration({
1009                 deco_type = "schematic",
1010                 place_on = {"default:dirt_with_grass"},
1011                 sidelen = 16,
1012                 noise_params = {
1013                         offset = 0.0018,
1014                         scale = 0.0011,
1015                         spread = {x = 250, y = 250, z = 250},
1016                         seed = 2,
1017                         octaves = 3,
1018                         persist = 0.66
1019                 },
1020                 biomes = {"deciduous_forest"},
1021                 y_min = 1,
1022                 y_max = 31000,
1023                 schematic = {
1024                         size = {x = 3, y = 3, z = 1},
1025                         data = {
1026                                 {name = "air", prob = 0},
1027                                 {name = "air", prob = 0},
1028                                 {name = "air", prob = 0},
1029                                 {name = "default:tree", param2 = 12, prob = 191},
1030                                 {name = "default:tree", param2 = 12},
1031                                 {name = "default:tree", param2 = 12, prob = 127},
1032                                 {name = "air", prob = 0},
1033                                 {name = "flowers:mushroom_brown", prob = 63},
1034                                 {name = "air", prob = 0},
1035                         },
1036                 },
1037                 flags = "place_center_x",
1038                 rotation = "random",
1039         })
1040
1041         -- Jungle tree and log
1042
1043         minetest.register_decoration({
1044                 deco_type = "schematic",
1045                 place_on = {"default:dirt_with_grass", "default:dirt"},
1046                 sidelen = 80,
1047                 fill_ratio = 0.09,
1048                 biomes = {"rainforest", "rainforest_swamp"},
1049                 y_min = 0,
1050                 y_max = 31000,
1051                 schematic = minetest.get_modpath("default").."/schematics/jungle_tree.mts",
1052                 flags = "place_center_x, place_center_z",
1053                 rotation = "random",
1054         })
1055
1056         minetest.register_decoration({
1057                 deco_type = "schematic",
1058                 place_on = {"default:dirt_with_grass", "default:dirt"},
1059                 sidelen = 80,
1060                 fill_ratio = 0.01,
1061                 biomes = {"rainforest", "rainforest_swamp"},
1062                 y_min = 1,
1063                 y_max = 31000,
1064                 schematic = {
1065                         size = {x = 3, y = 3, z = 1},
1066                         data = {
1067                                 {name = "air", prob = 0},
1068                                 {name = "air", prob = 0},
1069                                 {name = "air", prob = 0},
1070                                 {name = "default:jungletree", param2 = 12, prob = 191},
1071                                 {name = "default:jungletree", param2 = 12},
1072                                 {name = "default:jungletree", param2 = 12, prob = 127},
1073                                 {name = "air", prob = 0},
1074                                 {name = "flowers:mushroom_brown", prob = 127},
1075                                 {name = "air", prob = 0},
1076                         },
1077                 },
1078                 flags = "place_center_x",
1079                 rotation = "random",
1080         })
1081
1082         -- Taiga and temperate coniferous forest pine tree and log
1083
1084         minetest.register_decoration({
1085                 deco_type = "schematic",
1086                 place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
1087                 sidelen = 16,
1088                 noise_params = {
1089                         offset = 0.036,
1090                         scale = 0.022,
1091                         spread = {x = 250, y = 250, z = 250},
1092                         seed = 2,
1093                         octaves = 3,
1094                         persist = 0.66
1095                 },
1096                 biomes = {"taiga", "coniferous_forest"},
1097                 y_min = 2,
1098                 y_max = 31000,
1099                 schematic = minetest.get_modpath("default").."/schematics/pine_tree.mts",
1100                 flags = "place_center_x, place_center_z",
1101         })
1102
1103         minetest.register_decoration({
1104                 deco_type = "schematic",
1105                 place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
1106                 sidelen = 80,
1107                 noise_params = {
1108                         offset = 0.0018,
1109                         scale = 0.0011,
1110                         spread = {x = 250, y = 250, z = 250},
1111                         seed = 2,
1112                         octaves = 3,
1113                         persist = 0.66
1114                 },
1115                 biomes = {"taiga", "coniferous_forest"},
1116                 y_min = 1,
1117                 y_max = 31000,
1118                 schematic = {
1119                         size = {x = 3, y = 3, z = 1},
1120                         data = {
1121                                 {name = "air", prob = 0},
1122                                 {name = "air", prob = 0},
1123                                 {name = "air", prob = 0},
1124                                 {name = "default:pine_tree", param2 = 12, prob = 191},
1125                                 {name = "default:pine_tree", param2 = 12},
1126                                 {name = "default:pine_tree", param2 = 12, prob = 127},
1127                                 {name = "air", prob = 0},
1128                                 {name = "flowers:mushroom_red", prob = 63},
1129                                 {name = "air", prob = 0},
1130                         },
1131                 },
1132                 flags = "place_center_x",
1133                 rotation = "random",
1134         })
1135
1136         -- Acacia tree and log
1137
1138         minetest.register_decoration({
1139                 deco_type = "schematic",
1140                 place_on = {"default:dirt_with_dry_grass"},
1141                 sidelen = 16,
1142                 noise_params = {
1143                         offset = 0,
1144                         scale = 0.002,
1145                         spread = {x = 250, y = 250, z = 250},
1146                         seed = 2,
1147                         octaves = 3,
1148                         persist = 0.66
1149                 },
1150                 biomes = {"savanna"},
1151                 y_min = 1,
1152                 y_max = 31000,
1153                 schematic = minetest.get_modpath("default").."/schematics/acacia_tree.mts",
1154                 flags = "place_center_x, place_center_z",
1155                 rotation = "random",
1156         })
1157
1158         minetest.register_decoration({
1159                 deco_type = "schematic",
1160                 place_on = {"default:dirt_with_dry_grass"},
1161                 sidelen = 16,
1162                 noise_params = {
1163                         offset = 0,
1164                         scale = 0.001,
1165                         spread = {x = 250, y = 250, z = 250},
1166                         seed = 2,
1167                         octaves = 3,
1168                         persist = 0.66
1169                 },
1170                 biomes = {"savanna"},
1171                 y_min = 1,
1172                 y_max = 31000,
1173                 schematic = {
1174                         size = {x = 3, y = 2, z = 1},
1175                         data = {
1176                                 {name = "air", prob = 0},
1177                                 {name = "air", prob = 0},
1178                                 {name = "air", prob = 0},
1179                                 {name = "default:acacia_tree", param2 = 12, prob = 191},
1180                                 {name = "default:acacia_tree", param2 = 12},
1181                                 {name = "default:acacia_tree", param2 = 12, prob = 127},
1182                         },
1183                 },
1184                 flags = "place_center_x",
1185                 rotation = "random",
1186         })
1187
1188         -- Aspen tree and log
1189
1190         minetest.register_decoration({
1191                 deco_type = "schematic",
1192                 place_on = {"default:dirt_with_grass"},
1193                 sidelen = 16,
1194                 noise_params = {
1195                         offset = 0.0,
1196                         scale = -0.015,
1197                         spread = {x = 250, y = 250, z = 250},
1198                         seed = 2,
1199                         octaves = 3,
1200                         persist = 0.66
1201                 },
1202                 biomes = {"deciduous_forest"},
1203                 y_min = 1,
1204                 y_max = 31000,
1205                 schematic = minetest.get_modpath("default").."/schematics/aspen_tree.mts",
1206                 flags = "place_center_x, place_center_z",
1207                 rotation = "random",
1208         })
1209
1210         minetest.register_decoration({
1211                 deco_type = "schematic",
1212                 place_on = {"default:dirt_with_grass"},
1213                 sidelen = 16,
1214                 noise_params = {
1215                         offset = 0.0,
1216                         scale = -0.0008,
1217                         spread = {x = 250, y = 250, z = 250},
1218                         seed = 2,
1219                         octaves = 3,
1220                         persist = 0.66
1221                 },
1222                 biomes = {"deciduous_forest"},
1223                 y_min = 1,
1224                 y_max = 31000,
1225                 schematic = {
1226                         size = {x = 3, y = 3, z = 1},
1227                         data = {
1228                                 {name = "air", prob = 0},
1229                                 {name = "air", prob = 0},
1230                                 {name = "air", prob = 0},
1231                                 {name = "default:aspen_tree", param2 = 12},
1232                                 {name = "default:aspen_tree", param2 = 12},
1233                                 {name = "default:aspen_tree", param2 = 12, prob = 127},
1234                                 {name = "flowers:mushroom_red", prob = 63},
1235                                 {name = "flowers:mushroom_brown", prob = 63},
1236                                 {name = "air", prob = 0},
1237                         },
1238                 },
1239                 flags = "place_center_x",
1240                 rotation = "random",
1241         })
1242         -- Large cactus
1243
1244         minetest.register_decoration({
1245                 deco_type = "schematic",
1246                 place_on = {"default:desert_sand"},
1247                 sidelen = 16,
1248                 noise_params = {
1249                         offset = -0.0003,
1250                         scale = 0.0009,
1251                         spread = {x = 200, y = 200, z = 200},
1252                         seed = 230,
1253                         octaves = 3,
1254                         persist = 0.6
1255                 },
1256                 biomes = {"desert"},
1257                 y_min = 5,
1258                 y_max = 31000,
1259                 schematic = minetest.get_modpath("default").."/schematics/large_cactus.mts",
1260                 flags = "place_center_x",
1261                 rotation = "random",
1262         })
1263
1264         -- Cactus
1265
1266         minetest.register_decoration({
1267                 deco_type = "simple",
1268                 place_on = {"default:desert_sand"},
1269                 sidelen = 16,
1270                 noise_params = {
1271                         offset = -0.0003,
1272                         scale = 0.0009,
1273                         spread = {x = 200, y = 200, z = 200},
1274                         seed = 230,
1275                         octaves = 3,
1276                         persist = 0.6
1277                 },
1278                 biomes = {"desert"},
1279                 y_min = 5,
1280                 y_max = 31000,
1281                 decoration = "default:cactus",
1282                 height = 2,
1283                 height_max = 5,
1284         })
1285
1286         -- Papyrus
1287
1288         minetest.register_decoration({
1289                 deco_type = "schematic",
1290                 place_on = {"default:dirt"},
1291                 sidelen = 16,
1292                 noise_params = {
1293                         offset = -0.3,
1294                         scale = 0.7,
1295                         spread = {x = 200, y = 200, z = 200},
1296                         seed = 354,
1297                         octaves = 3,
1298                         persist = 0.7
1299                 },
1300                 biomes = {"savanna_swamp"},
1301                 y_min = 0,
1302                 y_max = 0,
1303                 schematic = minetest.get_modpath("default").."/schematics/papyrus.mts",
1304         })
1305
1306         -- Grasses
1307
1308         register_grass_decoration(-0.03,  0.09,  5)
1309         register_grass_decoration(-0.015, 0.075, 4)
1310         register_grass_decoration(0,      0.06,  3)
1311         register_grass_decoration(0.015,  0.045, 2)
1312         register_grass_decoration(0.03,   0.03,  1)
1313
1314         -- Dry grasses
1315
1316         register_dry_grass_decoration(0.01, 0.05,  5)
1317         register_dry_grass_decoration(0.03, 0.03,  4)
1318         register_dry_grass_decoration(0.05, 0.01,  3)
1319         register_dry_grass_decoration(0.07, -0.01, 2)
1320         register_dry_grass_decoration(0.09, -0.03, 1)
1321
1322         -- Junglegrass
1323
1324         minetest.register_decoration({
1325                 deco_type = "simple",
1326                 place_on = {"default:dirt_with_grass"},
1327                 sidelen = 80,
1328                 fill_ratio = 0.1,
1329                 biomes = {"rainforest"},
1330                 y_min = 1,
1331                 y_max = 31000,
1332                 decoration = "default:junglegrass",
1333         })
1334
1335         -- Dry shrub
1336
1337         minetest.register_decoration({
1338                 deco_type = "simple",
1339                 place_on = {"default:desert_sand", "default:dirt_with_snow"},
1340                 sidelen = 16,
1341                 noise_params = {
1342                         offset = 0,
1343                         scale = 0.02,
1344                         spread = {x = 200, y = 200, z = 200},
1345                         seed = 329,
1346                         octaves = 3,
1347                         persist = 0.6
1348                 },
1349                 biomes = {"desert", "tundra"},
1350                 y_min = 2,
1351                 y_max = 31000,
1352                 decoration = "default:dry_shrub",
1353         })
1354 end
1355
1356
1357 --
1358 -- Generate nyan cats
1359 --
1360
1361 -- All mapgens except singlenode
1362
1363 function default.make_nyancat(pos, facedir, length)
1364         local tailvec = {x = 0, y = 0, z = 0}
1365         if facedir == 0 then
1366                 tailvec.z = 1
1367         elseif facedir == 1 then
1368                 tailvec.x = 1
1369         elseif facedir == 2 then
1370                 tailvec.z = -1
1371         elseif facedir == 3 then
1372                 tailvec.x = -1
1373         else
1374                 facedir = 0
1375                 tailvec.z = 1
1376         end
1377         local p = {x = pos.x, y = pos.y, z = pos.z}
1378         minetest.set_node(p, {name = "default:nyancat", param2 = facedir})
1379         for i = 1, length do
1380                 p.x = p.x + tailvec.x
1381                 p.z = p.z + tailvec.z
1382                 minetest.set_node(p, {name = "default:nyancat_rainbow", param2 = facedir})
1383         end
1384 end
1385
1386 function default.generate_nyancats(minp, maxp, seed)
1387         local height_min = -31000
1388         local height_max = -32
1389         if maxp.y < height_min or minp.y > height_max then
1390                 return
1391         end
1392         local y_min = math.max(minp.y, height_min)
1393         local y_max = math.min(maxp.y, height_max)
1394         local volume = (maxp.x - minp.x + 1) * (y_max - y_min + 1) * (maxp.z - minp.z + 1)
1395         local pr = PseudoRandom(seed + 9324342)
1396         local max_num_nyancats = math.floor(volume / (16 * 16 * 16))
1397         for i = 1, max_num_nyancats do
1398                 if pr:next(0, 1000) == 0 then
1399                         local x0 = pr:next(minp.x, maxp.x)
1400                         local y0 = pr:next(minp.y, maxp.y)
1401                         local z0 = pr:next(minp.z, maxp.z)
1402                         local p0 = {x = x0, y = y0, z = z0}
1403                         default.make_nyancat(p0, pr:next(0, 3), pr:next(3, 15))
1404                 end
1405         end
1406 end
1407
1408
1409 --
1410 -- Detect mapgen to select functions
1411 --
1412
1413 -- Mods using singlenode mapgen can call these functions to enable
1414 -- the use of minetest.generate_ores or minetest.generate_decorations
1415
1416 local mg_params = minetest.get_mapgen_params()
1417 if mg_params.mgname == "v6" then
1418         default.register_ores()
1419         default.register_mgv6_decorations()
1420         minetest.register_on_generated(default.generate_nyancats)
1421 elseif mg_params.mgname ~= "singlenode" then
1422         default.register_biomes()
1423         default.register_ores()
1424         default.register_decorations()
1425         minetest.register_on_generated(default.generate_nyancats)
1426 end