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_threshhold = 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_threshhold = 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_threshhold = 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_threshhold = 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 = 5,
 450                 y_max = 31000,
 451                 heat_point = 40,
 452                 humidity_point = 35,
 453         })
 454
 455         minetest.register_biome({
 456                 name = "stone_grassland_ocean",
 457                 --node_dust = "",
 458                 node_top = "default:sand",
 459                 depth_top = 1,
 460                 node_filler = "default:sand",
 461                 depth_filler = 3,
 462                 --node_stone = "",
 463                 --node_water_top = "",
 464                 --depth_water_top = ,
 465                 --node_water = "",
 466                 --node_river_water = "",
 467                 y_min = -112,
 468                 y_max = 4,
 469                 heat_point = 40,
 470                 humidity_point = 35,
 471         })
 472
 473
 474         minetest.register_biome({
 475                 name = "coniferous_forest",
 476                 --node_dust = "",
 477                 node_top = "default:dirt_with_grass",
 478                 depth_top = 1,
 479                 node_filler = "default:dirt",
 480                 depth_filler = 3,
 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 = 31000,
 488                 heat_point = 40,
 489                 humidity_point = 65,
 490         })
 491
 492         minetest.register_biome({
 493                 name = "coniferous_forest_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 = 65,
 508         })
 509
 510
 511         minetest.register_biome({
 512                 name = "sandstone_grassland",
 513                 --node_dust = "",
 514                 node_top = "default:dirt_with_grass",
 515                 depth_top = 1,
 516                 node_filler = "default:dirt",
 517                 depth_filler = 1,
 518                 node_stone = "default:sandstone",
 519                 --node_water_top = "",
 520                 --depth_water_top = ,
 521                 --node_water = "",
 522                 --node_river_water = "",
 523                 y_min = 5,
 524                 y_max = 31000,
 525                 heat_point = 60,
 526                 humidity_point = 35,
 527         })
 528
 529         minetest.register_biome({
 530                 name = "sandstone_grassland_ocean",
 531                 --node_dust = "",
 532                 node_top = "default:sand",
 533                 depth_top = 1,
 534                 node_filler = "default:sand",
 535                 depth_filler = 3,
 536                 node_stone = "default:sandstone",
 537                 --node_water_top = "",
 538                 --depth_water_top = ,
 539                 --node_water = "",
 540                 --node_river_water = "",
 541                 y_min = -112,
 542                 y_max = 4,
 543                 heat_point = 60,
 544                 humidity_point = 35,
 545         })
 546
 547
 548         minetest.register_biome({
 549                 name = "deciduous_forest",
 550                 --node_dust = "",
 551                 node_top = "default:dirt_with_grass",
 552                 depth_top = 1,
 553                 node_filler = "default:dirt",
 554                 depth_filler = 3,
 555                 --node_stone = "",
 556                 --node_water_top = "",
 557                 --depth_water_top = ,
 558                 --node_water = "",
 559                 --node_river_water = "",
 560                 y_min = 1,
 561                 y_max = 31000,
 562                 heat_point = 60,
 563                 humidity_point = 65,
 564         })
 565
 566         minetest.register_biome({
 567                 name = "deciduous_forest_swamp",
 568                 --node_dust = "",
 569                 node_top = "default:dirt",
 570                 depth_top = 1,
 571                 node_filler = "default:dirt",
 572                 depth_filler = 3,
 573                 --node_stone = "",
 574                 --node_water_top = "",
 575                 --depth_water_top = ,
 576                 --node_water = "",
 577                 --node_river_water = "",
 578                 y_min = -3,
 579                 y_max = 0,
 580                 heat_point = 60,
 581                 humidity_point = 65,
 582         })
 583
 584         minetest.register_biome({
 585                 name = "deciduous_forest_ocean",
 586                 --node_dust = "",
 587                 node_top = "default:sand",
 588                 depth_top = 1,
 589                 node_filler = "default:sand",
 590                 depth_filler = 3,
 591                 --node_stone = "",
 592                 --node_water_top = "",
 593                 --depth_water_top = ,
 594                 --node_water = "",
 595                 --node_river_water = "",
 596                 y_min = -112,
 597                 y_max = -4,
 598                 heat_point = 60,
 599                 humidity_point = 65,
 600         })
 601
 602         -- Hot
 603
 604         minetest.register_biome({
 605                 name = "desert",
 606                 --node_dust = "",
 607                 node_top = "default:desert_sand",
 608                 depth_top = 1,
 609                 node_filler = "default:desert_sand",
 610                 depth_filler = 1,
 611                 node_stone = "default:desert_stone",
 612                 --node_water_top = "",
 613                 --depth_water_top = ,
 614                 --node_water = "",
 615                 --node_river_water = "",
 616                 y_min = 5,
 617                 y_max = 31000,
 618                 heat_point = 85,
 619                 humidity_point = 20,
 620         })
 621
 622         minetest.register_biome({
 623                 name = "desert_ocean",
 624                 --node_dust = "",
 625                 node_top = "default:sand",
 626                 depth_top = 1,
 627                 node_filler = "default:sand",
 628                 depth_filler = 3,
 629                 node_stone = "default:desert_stone",
 630                 --node_water_top = "",
 631                 --depth_water_top = ,
 632                 --node_water = "",
 633                 --node_river_water = "",
 634                 y_min = -112,
 635                 y_max = 4,
 636                 heat_point = 85,
 637                 humidity_point = 20,
 638         })
 639
 640
 641         minetest.register_biome({
 642                 name = "savanna",
 643                 --node_dust = "",
 644                 node_top = "default:dirt_with_dry_grass",
 645                 depth_top = 1,
 646                 node_filler = "default:dirt",
 647                 depth_filler = 1,
 648                 --node_stone = "",
 649                 --node_water_top = "",
 650                 --depth_water_top = ,
 651                 --node_water = "",
 652                 --node_river_water = "",
 653                 y_min = 1,
 654                 y_max = 31000,
 655                 heat_point = 85,
 656                 humidity_point = 50,
 657         })
 658
 659         minetest.register_biome({
 660                 name = "savanna_swamp",
 661                 --node_dust = "",
 662                 node_top = "default:dirt",
 663                 depth_top = 1,
 664                 node_filler = "default:dirt",
 665                 depth_filler = 3,
 666                 --node_stone = "",
 667                 --node_water_top = "",
 668                 --depth_water_top = ,
 669                 --node_water = "",
 670                 --node_river_water = "",
 671                 y_min = -3,
 672                 y_max = 0,
 673                 heat_point = 85,
 674                 humidity_point = 50,
 675         })
 676
 677         minetest.register_biome({
 678                 name = "savanna_ocean",
 679                 --node_dust = "",
 680                 node_top = "default:sand",
 681                 depth_top = 1,
 682                 node_filler = "default:sand",
 683                 depth_filler = 3,
 684                 --node_stone = "",
 685                 --node_water_top = "",
 686                 --depth_water_top = ,
 687                 --node_water = "",
 688                 --node_river_water = "",
 689                 y_min = -112,
 690                 y_max = -4,
 691                 heat_point = 85,
 692                 humidity_point = 50,
 693         })
 694
 695
 696         minetest.register_biome({
 697                 name = "rainforest",
 698                 --node_dust = "",
 699                 node_top = "default:dirt_with_grass",
 700                 depth_top = 1,
 701                 node_filler = "default:dirt",
 702                 depth_filler = 3,
 703                 --node_stone = "",
 704                 --node_water_top = "",
 705                 --depth_water_top = ,
 706                 --node_water = "",
 707                 --node_river_water = "",
 708                 y_min = 1,
 709                 y_max = 31000,
 710                 heat_point = 85,
 711                 humidity_point = 80,
 712         })
 713
 714         minetest.register_biome({
 715                 name = "rainforest_swamp",
 716                 --node_dust = "",
 717                 node_top = "default:dirt",
 718                 depth_top = 1,
 719                 node_filler = "default:dirt",
 720                 depth_filler = 3,
 721                 --node_stone = "",
 722                 --node_water_top = "",
 723                 --depth_water_top = ,
 724                 --node_water = "",
 725                 --node_river_water = "",
 726                 y_min = -3,
 727                 y_max = 0,
 728                 heat_point = 85,
 729                 humidity_point = 80,
 730         })
 731
 732         minetest.register_biome({
 733                 name = "rainforest_ocean",
 734                 --node_dust = "",
 735                 node_top = "default:sand",
 736                 depth_top = 1,
 737                 node_filler = "default:sand",
 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 = -112,
 745                 y_max = -4,
 746                 heat_point = 85,
 747                 humidity_point = 80,
 748         })
 749
 750         -- Underground
 751
 752         minetest.register_biome({
 753                 name = "underground",
 754                 --node_dust = "",
 755                 --node_top = "",
 756                 --depth_top = ,
 757                 --node_filler = "",
 758                 --depth_filler = ,
 759                 --node_stone = "",
 760                 --node_water_top = "",
 761                 --depth_water_top = ,
 762                 --node_water = "",
 763                 --node_river_water = "",
 764                 y_min = -31000,
 765                 y_max = -113,
 766                 heat_point = 50,
 767                 humidity_point = 50,
 768         })
 769 end
 770
 771
 772 --
 773 -- Register decorations
 774 --
 775
 776 -- Mgv6
 777
 778 function default.register_mgv6_decorations()
 779         minetest.clear_registered_decorations()
 780
 781         -- Papyrus
 782
 783         minetest.register_decoration({
 784                 deco_type = "simple",
 785                 place_on = {"default:dirt_with_grass"},
 786                 sidelen = 16,
 787                 noise_params = {
 788                         offset = -0.3,
 789                         scale = 0.7,
 790                         spread = {x = 100, y = 100, z = 100},
 791                         seed = 354,
 792                         octaves = 3,
 793                         persist = 0.7
 794                 },
 795                 y_min = 1,
 796                 y_max = 1,
 797                 decoration = "default:papyrus",
 798                 height = 2,
 799                 height_max = 4,
 800                 spawn_by = "default:water_source",
 801                 num_spawn_by = 1,
 802         })
 803
 804         -- Cacti
 805
 806         minetest.register_decoration({
 807                 deco_type = "simple",
 808                 place_on = {"default:desert_sand"},
 809                 sidelen = 16,
 810                 noise_params = {
 811                         offset = -0.012,
 812                         scale = 0.024,
 813                         spread = {x = 100, y = 100, z = 100},
 814                         seed = 230,
 815                         octaves = 3,
 816                         persist = 0.6
 817                 },
 818                 y_min = 1,
 819                 y_max = 30,
 820                 decoration = "default:cactus",
 821                 height = 3,
 822                 height_max = 4,
 823         })
 824
 825         -- Long grasses
 826
 827         for length = 1, 5 do
 828                 minetest.register_decoration({
 829                         deco_type = "simple",
 830                         place_on = {"default:dirt_with_grass"},
 831                         sidelen = 16,
 832                         noise_params = {
 833                                 offset = 0,
 834                                 scale = 0.007,
 835                                 spread = {x = 100, y = 100, z = 100},
 836                                 seed = 329,
 837                                 octaves = 3,
 838                                 persist = 0.6
 839                         },
 840                         y_min = 1,
 841                         y_max = 30,
 842                         decoration = "default:grass_"..length,
 843                 })
 844         end
 845
 846         -- Dry shrubs
 847
 848         minetest.register_decoration({
 849                 deco_type = "simple",
 850                 place_on = {"default:desert_sand", "default:dirt_with_snow"},
 851                 sidelen = 16,
 852                 noise_params = {
 853                         offset = 0,
 854                         scale = 0.035,
 855                         spread = {x = 100, y = 100, z = 100},
 856                         seed = 329,
 857                         octaves = 3,
 858                         persist = 0.6
 859                 },
 860                 y_min = 1,
 861                 y_max = 30,
 862                 decoration = "default:dry_shrub",
 863         })
 864 end
 865
 866 -- All mapgens except mgv6 and singlenode
 867
 868 local function register_grass_decoration(offset, scale, length)
 869         minetest.register_decoration({
 870                 deco_type = "simple",
 871                 place_on = {"default:dirt_with_grass", "default:sand"},
 872                 sidelen = 16,
 873                 noise_params = {
 874                         offset = offset,
 875                         scale = scale,
 876                         spread = {x = 200, y = 200, z = 200},
 877                         seed = 329,
 878                         octaves = 3,
 879                         persist = 0.6
 880                 },
 881                 biomes = {"stone_grassland", "sandstone_grassland",
 882                         "deciduous_forest", "coniferous_forest"},
 883                 y_min = 1,
 884                 y_max = 31000,
 885                 decoration = "default:grass_"..length,
 886         })
 887 end
 888
 889 local function register_dry_grass_decoration(offset, scale, length)
 890         minetest.register_decoration({
 891                 deco_type = "simple",
 892                 place_on = {"default:dirt_with_dry_grass"},
 893                 sidelen = 16,
 894                 noise_params = {
 895                         offset = offset,
 896                         scale = scale,
 897                         spread = {x = 200, y = 200, z = 200},
 898                         seed = 329,
 899                         octaves = 3,
 900                         persist = 0.6
 901                 },
 902                 biomes = {"savanna"},
 903                 y_min = 1,
 904                 y_max = 31000,
 905                 decoration = "default:dry_grass_"..length,
 906         })
 907 end
 908
 909 function default.register_decorations()
 910         minetest.clear_registered_decorations()
 911
 912         -- Apple tree
 913
 914         minetest.register_decoration({
 915                 deco_type = "schematic",
 916                 place_on = {"default:dirt_with_grass"},
 917                 sidelen = 16,
 918                 noise_params = {
 919                         offset = 0.04,
 920                         scale = 0.02,
 921                         spread = {x = 250, y = 250, z = 250},
 922                         seed = 2,
 923                         octaves = 3,
 924                         persist = 0.66
 925                 },
 926                 biomes = {"deciduous_forest"},
 927                 y_min = 1,
 928                 y_max = 31000,
 929                 schematic = minetest.get_modpath("default").."/schematics/apple_tree.mts",
 930                 flags = "place_center_x, place_center_z",
 931         })
 932
 933         -- Jungle tree
 934
 935         minetest.register_decoration({
 936                 deco_type = "schematic",
 937                 place_on = {"default:dirt_with_grass", "default:dirt"},
 938                 sidelen = 80,
 939                 fill_ratio = 0.09,
 940                 biomes = {"rainforest", "rainforest_swamp"},
 941                 y_min = 0,
 942                 y_max = 31000,
 943                 schematic = minetest.get_modpath("default").."/schematics/jungle_tree.mts",
 944                 flags = "place_center_x, place_center_z",
 945                 rotation = "random",
 946         })
 947
 948         -- Taiga and temperate coniferous forest pine tree
 949
 950         minetest.register_decoration({
 951                 deco_type = "schematic",
 952                 place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
 953                 sidelen = 16,
 954                 noise_params = {
 955                         offset = 0.04,
 956                         scale = 0.02,
 957                         spread = {x = 250, y = 250, z = 250},
 958                         seed = 2,
 959                         octaves = 3,
 960                         persist = 0.66
 961                 },
 962                 biomes = {"taiga", "coniferous_forest"},
 963                 y_min = 2,
 964                 y_max = 31000,
 965                 schematic = minetest.get_modpath("default").."/schematics/pine_tree.mts",
 966                 flags = "place_center_x, place_center_z",
 967         })
 968
 969         -- Acacia tree
 970
 971         minetest.register_decoration({
 972                 deco_type = "schematic",
 973                 place_on = {"default:dirt_with_dry_grass"},
 974                 sidelen = 16,
 975                 noise_params = {
 976                         offset = 0,
 977                         scale = 0.002,
 978                         spread = {x = 250, y = 250, z = 250},
 979                         seed = 2,
 980                         octaves = 3,
 981                         persist = 0.66
 982                 },
 983                 biomes = {"savanna"},
 984                 y_min = 1,
 985                 y_max = 31000,
 986                 schematic = minetest.get_modpath("default").."/schematics/acacia_tree.mts",
 987                 flags = "place_center_x, place_center_z",
 988                 rotation = "random",
 989         })
 990
 991         -- Large cactus
 992
 993         minetest.register_decoration({
 994                 deco_type = "schematic",
 995                 place_on = {"default:desert_sand"},
 996                 sidelen = 16,
 997                 noise_params = {
 998                         offset = -0.0003,
 999                         scale = 0.0009,
1000                         spread = {x = 200, y = 200, z = 200},
1001                         seed = 230,
1002                         octaves = 3,
1003                         persist = 0.6
1004                 },
1005                 biomes = {"desert"},
1006                 y_min = 5,
1007                 y_max = 31000,
1008                 schematic = minetest.get_modpath("default").."/schematics/large_cactus.mts",
1009                 flags = "place_center_x",
1010                 rotation = "random",
1011         })
1012
1013         -- Cactus
1014
1015         minetest.register_decoration({
1016                 deco_type = "simple",
1017                 place_on = {"default:desert_sand"},
1018                 sidelen = 16,
1019                 noise_params = {
1020                         offset = -0.0003,
1021                         scale = 0.0009,
1022                         spread = {x = 200, y = 200, z = 200},
1023                         seed = 230,
1024                         octaves = 3,
1025                         persist = 0.6
1026                 },
1027                 biomes = {"desert"},
1028                 y_min = 5,
1029                 y_max = 31000,
1030                 decoration = "default:cactus",
1031                 height = 2,
1032                 height_max = 5,
1033         })
1034
1035         -- Papyrus
1036
1037         minetest.register_decoration({
1038                 deco_type = "schematic",
1039                 place_on = {"default:dirt"},
1040                 sidelen = 16,
1041                 noise_params = {
1042                         offset = -0.3,
1043                         scale = 0.7,
1044                         spread = {x = 200, y = 200, z = 200},
1045                         seed = 354,
1046                         octaves = 3,
1047                         persist = 0.7
1048                 },
1049                 biomes = {"savanna_swamp"},
1050                 y_min = 0,
1051                 y_max = 0,
1052                 schematic = minetest.get_modpath("default").."/schematics/papyrus.mts",
1053         })
1054
1055         -- Grasses
1056
1057         register_grass_decoration(-0.03,  0.09,  5)
1058         register_grass_decoration(-0.015, 0.075, 4)
1059         register_grass_decoration(0,      0.06,  3)
1060         register_grass_decoration(0.015,  0.045, 2)
1061         register_grass_decoration(0.03,   0.03,  1)
1062
1063         -- Dry grasses
1064
1065         register_dry_grass_decoration(0.01, 0.05,  5)
1066         register_dry_grass_decoration(0.03, 0.03,  4)
1067         register_dry_grass_decoration(0.05, 0.01,  3)
1068         register_dry_grass_decoration(0.07, -0.01, 2)
1069         register_dry_grass_decoration(0.09, -0.03, 1)
1070
1071         -- Junglegrass
1072
1073         minetest.register_decoration({
1074                 deco_type = "simple",
1075                 place_on = {"default:dirt_with_grass"},
1076                 sidelen = 80,
1077                 fill_ratio = 0.1,
1078                 biomes = {"rainforest"},
1079                 y_min = 1,
1080                 y_max = 31000,
1081                 decoration = "default:junglegrass",
1082         })
1083
1084         -- Dry shrub
1085
1086         minetest.register_decoration({
1087                 deco_type = "simple",
1088                 place_on = {"default:desert_sand", "default:dirt_with_snow"},
1089                 sidelen = 16,
1090                 noise_params = {
1091                         offset = 0,
1092                         scale = 0.02,
1093                         spread = {x = 200, y = 200, z = 200},
1094                         seed = 329,
1095                         octaves = 3,
1096                         persist = 0.6
1097                 },
1098                 biomes = {"desert", "tundra"},
1099                 y_min = 2,
1100                 y_max = 31000,
1101                 decoration = "default:dry_shrub",
1102         })
1103 end
1104
1105
1106 --
1107 -- Generate nyan cats
1108 --
1109
1110 -- All mapgens except singlenode
1111
1112 function default.make_nyancat(pos, facedir, length)
1113         local tailvec = {x = 0, y = 0, z = 0}
1114         if facedir == 0 then
1115                 tailvec.z = 1
1116         elseif facedir == 1 then
1117                 tailvec.x = 1
1118         elseif facedir == 2 then
1119                 tailvec.z = -1
1120         elseif facedir == 3 then
1121                 tailvec.x = -1
1122         else
1123                 facedir = 0
1124                 tailvec.z = 1
1125         end
1126         local p = {x = pos.x, y = pos.y, z = pos.z}
1127         minetest.set_node(p, {name = "default:nyancat", param2 = facedir})
1128         for i = 1, length do
1129                 p.x = p.x + tailvec.x
1130                 p.z = p.z + tailvec.z
1131                 minetest.set_node(p, {name = "default:nyancat_rainbow", param2 = facedir})
1132         end
1133 end
1134
1135 function default.generate_nyancats(minp, maxp, seed)
1136         local height_min = -31000
1137         local height_max = -32
1138         if maxp.y < height_min or minp.y > height_max then
1139                 return
1140         end
1141         local y_min = math.max(minp.y, height_min)
1142         local y_max = math.min(maxp.y, height_max)
1143         local volume = (maxp.x - minp.x + 1) * (y_max - y_min + 1) * (maxp.z - minp.z + 1)
1144         local pr = PseudoRandom(seed + 9324342)
1145         local max_num_nyancats = math.floor(volume / (16 * 16 * 16))
1146         for i = 1, max_num_nyancats do
1147                 if pr:next(0, 1000) == 0 then
1148                         local x0 = pr:next(minp.x, maxp.x)
1149                         local y0 = pr:next(minp.y, maxp.y)
1150                         local z0 = pr:next(minp.z, maxp.z)
1151                         local p0 = {x = x0, y = y0, z = z0}
1152                         default.make_nyancat(p0, pr:next(0, 3), pr:next(3, 15))
1153                 end
1154         end
1155 end
1156
1157
1158 --
1159 -- Detect mapgen to select functions
1160 --
1161
1162 -- Mods using singlenode mapgen can call these functions to enable
1163 -- the use of minetest.generate_ores or minetest.generate_decorations
1164
1165 local mg_params = minetest.get_mapgen_params()
1166 if mg_params.mgname == "v6" then
1167         default.register_ores()
1168         default.register_mgv6_decorations()
1169         minetest.register_on_generated(default.generate_nyancats)
1170 elseif mg_params.mgname ~= "singlenode" then
1171         default.register_ores()
1172         default.register_biomes()
1173         default.register_decorations()
1174         minetest.register_on_generated(default.generate_nyancats)
1175 end