mods/default/mapgen.lua

   1 --
   2 -- Aliases for map generator outputs
   3 --
   4
   5
   6 minetest.register_alias("mapgen_stone", "default:stone")
   7 minetest.register_alias("mapgen_dirt", "default:dirt")
   8 minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
   9 minetest.register_alias("mapgen_sand", "default:sand")
  10 minetest.register_alias("mapgen_water_source", "default:water_source")
  11 minetest.register_alias("mapgen_river_water_source", "default:river_water_source")
  12 minetest.register_alias("mapgen_lava_source", "default:lava_source")
  13 minetest.register_alias("mapgen_gravel", "default:gravel")
  14 minetest.register_alias("mapgen_desert_stone", "default:desert_stone")
  15 minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
  16 minetest.register_alias("mapgen_dirt_with_snow", "default:dirt_with_snow")
  17 minetest.register_alias("mapgen_snowblock", "default:snowblock")
  18 minetest.register_alias("mapgen_snow", "default:snow")
  19 minetest.register_alias("mapgen_ice", "default:ice")
  20 minetest.register_alias("mapgen_sandstone", "default:sandstone")
  21
  22 minetest.register_alias("mapgen_tree", "default:tree")
  23 minetest.register_alias("mapgen_leaves", "default:leaves")
  24 minetest.register_alias("mapgen_apple", "default:apple")
  25 minetest.register_alias("mapgen_jungletree", "default:jungletree")
  26 minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves")
  27 minetest.register_alias("mapgen_junglegrass", "default:junglegrass")
  28 minetest.register_alias("mapgen_pinetree", "default:pinetree")
  29 minetest.register_alias("mapgen_pine_needles", "default:pine_needles")
  30
  31 minetest.register_alias("mapgen_cobble", "default:cobble")
  32 minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
  33 minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
  34 minetest.register_alias("mapgen_sandstonebrick", "default:sandstonebrick")
  35 minetest.register_alias("mapgen_stair_sandstonebrick", "stairs:stair_sandstonebrick")
  36
  37
  38 --
  39 -- Register ores
  40 --
  41
  42
  43 -- Blob ore first to avoid other ores inside blobs
  44
  45 function default.register_ores()
  46         minetest.register_ore({
  47                 ore_type         = "blob",
  48                 ore              = "default:clay",
  49                 wherein          = {"default:sand"},
  50                 clust_scarcity   = 24 * 24 * 24,
  51                 clust_size       = 7,
  52                 y_min            = -15,
  53                 y_max            = 0,
  54                 noise_threshhold = 0,
  55                 noise_params     = {
  56                         offset = 0.35,
  57                         scale = 0.2,
  58                         spread = {x = 5, y = 5, z = 5},
  59                         seed = -316,
  60                         octaves = 1,
  61                         persist = 0.5
  62                 },
  63         })
  64
  65         minetest.register_ore({
  66                 ore_type         = "blob",
  67                 ore              = "default:sand",
  68                 wherein          = {"default:stone"},
  69                 clust_scarcity   = 24 * 24 * 24,
  70                 clust_size       = 7,
  71                 y_min            = -63,
  72                 y_max            = 4,
  73                 noise_threshhold = 0,
  74                 noise_params     = {
  75                         offset = 0.35,
  76                         scale = 0.2,
  77                         spread = {x = 5, y = 5, z = 5},
  78                         seed = 2316,
  79                         octaves = 1,
  80                         persist = 0.5
  81                 },
  82         })
  83
  84         minetest.register_ore({
  85                 ore_type         = "blob",
  86                 ore              = "default:dirt",
  87                 wherein          = {"default:stone"},
  88                 clust_scarcity   = 24 * 24 * 24,
  89                 clust_size       = 7,
  90                 y_min            = -63,
  91                 y_max            = 31000,
  92                 noise_threshhold = 0,
  93                 noise_params     = {
  94                         offset = 0.35,
  95                         scale = 0.2,
  96                         spread = {x = 5, y = 5, z = 5},
  97                         seed = 17676,
  98                         octaves = 1,
  99                         persist = 0.5
 100                 },
 101         })
 102
 103         minetest.register_ore({
 104                 ore_type         = "blob",
 105                 ore              = "default:gravel",
 106                 wherein          = {"default:stone"},
 107                 clust_scarcity   = 24 * 24 * 24,
 108                 clust_size       = 7,
 109                 y_min            = -31000,
 110                 y_max            = 31000,
 111                 noise_threshhold = 0,
 112                 noise_params     = {
 113                         offset = 0.35,
 114                         scale = 0.2,
 115                         spread = {x = 5, y = 5, z = 5},
 116                         seed = 766,
 117                         octaves = 1,
 118                         persist = 0.5
 119                 },
 120         })
 121
 122         minetest.register_ore({
 123                 ore_type       = "scatter",
 124                 ore            = "default:stone_with_coal",
 125                 wherein        = "default:stone",
 126                 clust_scarcity = 8 * 8 * 8,
 127                 clust_num_ores = 8,
 128                 clust_size     = 3,
 129                 y_min          = -31000,
 130                 y_max          = 64,
 131         })
 132
 133         minetest.register_ore({
 134                 ore_type       = "scatter",
 135                 ore            = "default:stone_with_coal",
 136                 wherein        = "default:stone",
 137                 clust_scarcity = 24 * 24 * 24,
 138                 clust_num_ores = 27,
 139                 clust_size     = 6,
 140                 y_min          = -31000,
 141                 y_max          = 0,
 142         })
 143
 144         minetest.register_ore({
 145                 ore_type       = "scatter",
 146                 ore            = "default:stone_with_iron",
 147                 wherein        = "default:stone",
 148                 clust_scarcity = 12 * 12 * 12,
 149                 clust_num_ores = 3,
 150                 clust_size     = 2,
 151                 y_min          = -15,
 152                 y_max          = 2,
 153         })
 154
 155         minetest.register_ore({
 156                 ore_type       = "scatter",
 157                 ore            = "default:stone_with_iron",
 158                 wherein        = "default:stone",
 159                 clust_scarcity = 9 * 9 * 9,
 160                 clust_num_ores = 5,
 161                 clust_size     = 3,
 162                 y_min          = -63,
 163                 y_max          = -16,
 164         })
 165
 166         minetest.register_ore({
 167                 ore_type       = "scatter",
 168                 ore            = "default:stone_with_iron",
 169                 wherein        = "default:stone",
 170                 clust_scarcity = 7 * 7 * 7,
 171                 clust_num_ores = 5,
 172                 clust_size     = 3,
 173                 y_min          = -31000,
 174                 y_max          = -64,
 175         })
 176
 177         minetest.register_ore({
 178                 ore_type       = "scatter",
 179                 ore            = "default:stone_with_iron",
 180                 wherein        = "default:stone",
 181                 clust_scarcity = 24 * 24 * 24,
 182                 clust_num_ores = 27,
 183                 clust_size     = 6,
 184                 y_min          = -31000,
 185                 y_max          = -64,
 186         })
 187
 188         minetest.register_ore({
 189                 ore_type       = "scatter",
 190                 ore            = "default:stone_with_mese",
 191                 wherein        = "default:stone",
 192                 clust_scarcity = 18 * 18 * 18,
 193                 clust_num_ores = 3,
 194                 clust_size     = 2,
 195                 y_min          = -255,
 196                 y_max          = -64,
 197         })
 198
 199         minetest.register_ore({
 200                 ore_type       = "scatter",
 201                 ore            = "default:stone_with_mese",
 202                 wherein        = "default:stone",
 203                 clust_scarcity = 14 * 14 * 14,
 204                 clust_num_ores = 5,
 205                 clust_size     = 3,
 206                 y_min          = -31000,
 207                 y_max          = -256,
 208         })
 209
 210         minetest.register_ore({
 211                 ore_type       = "scatter",
 212                 ore            = "default:mese",
 213                 wherein        = "default:stone",
 214                 clust_scarcity = 36 * 36 * 36,
 215                 clust_num_ores = 3,
 216                 clust_size     = 2,
 217                 y_min          = -31000,
 218                 y_max          = -1024,
 219         })
 220
 221         minetest.register_ore({
 222                 ore_type       = "scatter",
 223                 ore            = "default:stone_with_gold",
 224                 wherein        = "default:stone",
 225                 clust_scarcity = 15 * 15 * 15,
 226                 clust_num_ores = 3,
 227                 clust_size     = 2,
 228                 y_min          = -255,
 229                 y_max          = -64,
 230         })
 231
 232         minetest.register_ore({
 233                 ore_type       = "scatter",
 234                 ore            = "default:stone_with_gold",
 235                 wherein        = "default:stone",
 236                 clust_scarcity = 13 * 13 * 13,
 237                 clust_num_ores = 5,
 238                 clust_size     = 3,
 239                 y_min          = -31000,
 240                 y_max          = -256,
 241         })
 242
 243         minetest.register_ore({
 244                 ore_type       = "scatter",
 245                 ore            = "default:stone_with_diamond",
 246                 wherein        = "default:stone",
 247                 clust_scarcity = 17 * 17 * 17,
 248                 clust_num_ores = 4,
 249                 clust_size     = 3,
 250                 y_min          = -255,
 251                 y_max          = -128,
 252         })
 253
 254         minetest.register_ore({
 255                 ore_type       = "scatter",
 256                 ore            = "default:stone_with_diamond",
 257                 wherein        = "default:stone",
 258                 clust_scarcity = 15 * 15 * 15,
 259                 clust_num_ores = 4,
 260                 clust_size     = 3,
 261                 y_min          = -31000,
 262                 y_max          = -256,
 263         })
 264
 265         minetest.register_ore({
 266                 ore_type       = "scatter",
 267                 ore            = "default:stone_with_copper",
 268                 wherein        = "default:stone",
 269                 clust_scarcity = 12 * 12 * 12,
 270                 clust_num_ores = 4,
 271                 clust_size     = 3,
 272                 y_min          = -63,
 273                 y_max          = -16,
 274         })
 275
 276         minetest.register_ore({
 277                 ore_type       = "scatter",
 278                 ore            = "default:stone_with_copper",
 279                 wherein        = "default:stone",
 280                 clust_scarcity = 9 * 9 * 9,
 281                 clust_num_ores = 5,
 282                 clust_size     = 3,
 283                 y_min          = -31000,
 284                 y_max          = -64,
 285         })
 286 end
 287
 288
 289 --
 290 -- Register biomes
 291 --
 292
 293
 294 function default.register_biomes()
 295         minetest.clear_registered_biomes()
 296
 297         minetest.register_biome({
 298                 name = "default:grassland",
 299                 --node_dust = "",
 300                 node_top = "default:dirt_with_grass",
 301                 depth_top = 1,
 302                 node_filler = "default:dirt",
 303                 depth_filler = 1,
 304                 --node_stone = "",
 305                 --node_water_top = "",
 306                 --depth_water_top = ,
 307                 --node_water = "",
 308                 y_min = 5,
 309                 y_max = 31000,
 310                 heat_point = 50,
 311                 humidity_point = 50,
 312         })
 313
 314         minetest.register_biome({
 315                 name = "default:grassland_ocean",
 316                 --node_dust = "",
 317                 node_top = "default:sand",
 318                 depth_top = 1,
 319                 node_filler = "default:sand",
 320                 depth_filler = 2,
 321                 --node_stone = "",
 322                 --node_water_top = "",
 323                 --depth_water_top = ,
 324                 --node_water = "",
 325                 y_min = -31000,
 326                 y_max = 4,
 327                 heat_point = 50,
 328                 humidity_point = 50,
 329         })
 330 end
 331
 332
 333 --
 334 -- Register mgv6 decorations
 335 --
 336
 337
 338 function default.register_mgv6_decorations()
 339
 340         -- Papyrus
 341
 342         minetest.register_decoration({
 343                 deco_type = "simple",
 344                 place_on = {"default:dirt_with_grass"},
 345                 sidelen = 8,
 346                 noise_params = {
 347                         offset = -0.3,
 348                         scale = 0.7,
 349                         spread = {x = 100, y = 100, z = 100},
 350                         seed = 354,
 351                         octaves = 3,
 352                         persist = 0.7
 353                 },
 354                 y_min = 1,
 355                 y_max = 1,
 356                 decoration = "default:papyrus",
 357                 height = 2,
 358                 height_max = 4,
 359                 spawn_by = "default:water_source",
 360                 num_spawn_by = 1,
 361         })
 362
 363         -- Cacti
 364
 365         minetest.register_decoration({
 366                 deco_type = "simple",
 367                 place_on = {"default:desert_sand"},
 368                 sidelen = 16,
 369                 noise_params = {
 370                         offset = -0.012,
 371                         scale = 0.024,
 372                         spread = {x = 100, y = 100, z = 100},
 373                         seed = 230,
 374                         octaves = 3,
 375                         persist = 0.6
 376                 },
 377                 y_min = 1,
 378                 y_max = 30,
 379                 decoration = "default:cactus",
 380                 height = 3,
 381                 height_max = 4,
 382         })
 383
 384         -- Grasses
 385
 386         for length = 1, 5 do
 387                 minetest.register_decoration({
 388                         deco_type = "simple",
 389                         place_on = {"default:dirt_with_grass"},
 390                         sidelen = 16,
 391                         noise_params = {
 392                                 offset = 0,
 393                                 scale = 0.007,
 394                                 spread = {x = 100, y = 100, z = 100},
 395                                 seed = 329,
 396                                 octaves = 3,
 397                                 persist = 0.6
 398                         },
 399                         y_min = 1,
 400                         y_max = 30,
 401                         decoration = "default:grass_"..length,
 402                 })
 403         end
 404
 405         -- Dry shrubs
 406
 407         minetest.register_decoration({
 408                 deco_type = "simple",
 409                 place_on = {"default:desert_sand", "default:dirt_with_snow"},
 410                 sidelen = 16,
 411                 noise_params = {
 412                         offset = 0,
 413                         scale = 0.035,
 414                         spread = {x = 100, y = 100, z = 100},
 415                         seed = 329,
 416                         octaves = 3,
 417                         persist = 0.6
 418                 },
 419                 y_min = 1,
 420                 y_max = 30,
 421                 decoration = "default:dry_shrub",
 422         })
 423 end
 424
 425
 426 --
 427 -- Register decorations
 428 --
 429
 430
 431 function default.register_decorations()
 432
 433         -- Flowers
 434
 435         minetest.register_decoration({
 436                 deco_type = "simple",
 437                 place_on = {"default:dirt_with_grass"},
 438                 sidelen = 16,
 439                 noise_params = {
 440                         offset = -0.02,
 441                         scale = 0.03,
 442                         spread = {x = 200, y = 200, z = 200},
 443                         seed = 436,
 444                         octaves = 3,
 445                         persist = 0.6
 446                 },
 447                 biomes = {"default:grassland"},
 448                 y_min = -31000,
 449                 y_max = 31000,
 450                 decoration = "flowers:rose",
 451         })
 452
 453         minetest.register_decoration({
 454                 deco_type = "simple",
 455                 place_on = {"default:dirt_with_grass"},
 456                 sidelen = 16,
 457                 noise_params = {
 458                         offset = -0.02,
 459                         scale = 0.03,
 460                         spread = {x = 200, y = 200, z = 200},
 461                         seed = 19822,
 462                         octaves = 3,
 463                         persist = 0.6
 464                 },
 465                 biomes = {"default:grassland"},
 466                 y_min = 33,
 467                 y_max = 31000,
 468                 decoration = "flowers:tulip",
 469         })
 470
 471         minetest.register_decoration({
 472                 deco_type = "simple",
 473                 place_on = {"default:dirt_with_grass"},
 474                 sidelen = 16,
 475                 noise_params = {
 476                         offset = -0.02,
 477                         scale = 0.03,
 478                         spread = {x = 200, y = 200, z = 200},
 479                         seed = 1220999,
 480                         octaves = 3,
 481                         persist = 0.6
 482                 },
 483                 biomes = {"default:grassland"},
 484                 y_min = -31000,
 485                 y_max = 31000,
 486                 decoration = "flowers:dandelion_yellow",
 487         })
 488
 489         minetest.register_decoration({
 490                 deco_type = "simple",
 491                 place_on = {"default:dirt_with_grass"},
 492                 sidelen = 16,
 493                 noise_params = {
 494                         offset = -0.02,
 495                         scale = 0.03,
 496                         spread = {x = 200, y = 200, z = 200},
 497                         seed = 36662,
 498                         octaves = 3,
 499                         persist = 0.6
 500                 },
 501                 biomes = {"default:grassland"},
 502                 y_min = -31000,
 503                 y_max = 31000,
 504                 decoration = "flowers:geranium",
 505         })
 506
 507         minetest.register_decoration({
 508                 deco_type = "simple",
 509                 place_on = {"default:dirt_with_grass"},
 510                 sidelen = 16,
 511                 noise_params = {
 512                         offset = -0.02,
 513                         scale = 0.03,
 514                         spread = {x = 200, y = 200, z = 200},
 515                         seed = 1133,
 516                         octaves = 3,
 517                         persist = 0.6
 518                 },
 519                 biomes = {"default:grassland"},
 520                 y_min = -31000,
 521                 y_max = 31000,
 522                 decoration = "flowers:viola",
 523         })
 524
 525         minetest.register_decoration({
 526                 deco_type = "simple",
 527                 place_on = {"default:dirt_with_grass"},
 528                 sidelen = 16,
 529                 noise_params = {
 530                         offset = -0.02,
 531                         scale = 0.03,
 532                         spread = {x = 200, y = 200, z = 200},
 533                         seed = 73133,
 534                         octaves = 3,
 535                         persist = 0.6
 536                 },
 537                 biomes = {"default:grassland"},
 538                 y_min = -31000,
 539                 y_max = 31000,
 540                 decoration = "flowers:dandelion_white",
 541         })
 542
 543         -- Grasses
 544
 545         minetest.register_decoration({
 546                 deco_type = "simple",
 547                 place_on = {"default:dirt_with_grass"},
 548                 sidelen = 16,
 549                 noise_params = {
 550                         offset = 0.04,
 551                         scale = 0.04,
 552                         spread = {x = 200, y = 200, z = 200},
 553                         seed = 66440,
 554                         octaves = 3,
 555                         persist = 0.6
 556                 },
 557                 biomes = {"default:grassland"},
 558                 y_min = -31000,
 559                 y_max = 31000,
 560                 decoration = "default:grass_1",
 561         })
 562
 563         minetest.register_decoration({
 564                 deco_type = "simple",
 565                 place_on = {"default:dirt_with_grass"},
 566                 sidelen = 16,
 567                 noise_params = {
 568                         offset = 0.02,
 569                         scale = 0.06,
 570                         spread = {x = 200, y = 200, z = 200},
 571                         seed = 66440,
 572                         octaves = 3,
 573                         persist = 0.6
 574                 },
 575                 biomes = {"default:grassland"},
 576                 y_min = -31000,
 577                 y_max = 31000,
 578                 decoration = "default:grass_2",
 579         })
 580
 581         minetest.register_decoration({
 582                 deco_type = "simple",
 583                 place_on = {"default:dirt_with_grass"},
 584                 sidelen = 16,
 585                 noise_params = {
 586                         offset = 0,
 587                         scale = 0.08,
 588                         spread = {x = 200, y = 200, z = 200},
 589                         seed = 66440,
 590                         octaves = 3,
 591                         persist = 0.6
 592                 },
 593                 biomes = {"default:grassland"},
 594                 y_min = -31000,
 595                 y_max = 31000,
 596                 decoration = "default:grass_3",
 597         })
 598
 599         minetest.register_decoration({
 600                 deco_type = "simple",
 601                 place_on = {"default:dirt_with_grass"},
 602                 sidelen = 16,
 603                 noise_params = {
 604                         offset = -0.02,
 605                         scale = 0.10,
 606                         spread = {x = 200, y = 200, z = 200},
 607                         seed = 66440,
 608                         octaves = 3,
 609                         persist = 0.6
 610                 },
 611                 biomes = {"default:grassland"},
 612                 y_min = -31000,
 613                 y_max = 31000,
 614                 decoration = "default:grass_4",
 615         })
 616
 617         minetest.register_decoration({
 618                 deco_type = "simple",
 619                 place_on = {"default:dirt_with_grass"},
 620                 sidelen = 16,
 621                 noise_params = {
 622                         offset = -0.04,
 623                         scale = 0.12,
 624                         spread = {x = 200, y = 200, z = 200},
 625                         seed = 66440,
 626                         octaves = 3,
 627                         persist = 0.6
 628                 },
 629                 biomes = {"default:grassland"},
 630                 y_min = -31000,
 631                 y_max = 31000,
 632                 decoration = "default:grass_5",
 633         })
 634 end
 635
 636
 637 --
 638 -- Detect mapgen to select functions
 639 --
 640
 641
 642 -- Mods using singlenode mapgen can call these functions to enable
 643 -- the use of minetest.generate_ores or minetest.generate_decorations
 644
 645 local mg_params = minetest.get_mapgen_params()
 646 if mg_params.mgname == "v6" then
 647         default.register_ores()
 648         default.register_mgv6_decorations()
 649 elseif mg_params.mgname ~= "singlenode" then
 650         default.register_ores()
 651         default.register_biomes()
 652         default.register_decorations()
 653 end
 654
 655
 656 --
 657 -- Generate nyan cats in all mapgens
 658 --
 659
 660
 661 -- facedir: 0/1/2/3 (head node facedir value)
 662 -- length: length of rainbow tail
 663 function default.make_nyancat(pos, facedir, length)
 664         local tailvec = {x = 0, y = 0, z = 0}
 665         if facedir == 0 then
 666                 tailvec.z = 1
 667         elseif facedir == 1 then
 668                 tailvec.x = 1
 669         elseif facedir == 2 then
 670                 tailvec.z = -1
 671         elseif facedir == 3 then
 672                 tailvec.x = -1
 673         else
 674                 --print("default.make_nyancat(): Invalid facedir: "+dump(facedir))
 675                 facedir = 0
 676                 tailvec.z = 1
 677         end
 678         local p = {x = pos.x, y = pos.y, z = pos.z}
 679         minetest.set_node(p, {name = "default:nyancat", param2 = facedir})
 680         for i = 1, length do
 681                 p.x = p.x + tailvec.x
 682                 p.z = p.z + tailvec.z
 683                 minetest.set_node(p, {name = "default:nyancat_rainbow", param2 = facedir})
 684         end
 685 end
 686
 687
 688 function default.generate_nyancats(minp, maxp, seed)
 689         local height_min = -31000
 690         local height_max = -32
 691         if maxp.y < height_min or minp.y > height_max then
 692                 return
 693         end
 694         local y_min = math.max(minp.y, height_min)
 695         local y_max = math.min(maxp.y, height_max)
 696         local volume = (maxp.x - minp.x + 1) * (y_max - y_min + 1) * (maxp.z - minp.z + 1)
 697         local pr = PseudoRandom(seed + 9324342)
 698         local max_num_nyancats = math.floor(volume / (16 * 16 * 16))
 699         for i = 1, max_num_nyancats do
 700                 if pr:next(0, 1000) == 0 then
 701                         local x0 = pr:next(minp.x, maxp.x)
 702                         local y0 = pr:next(minp.y, maxp.y)
 703                         local z0 = pr:next(minp.z, maxp.z)
 704                         local p0 = {x = x0, y = y0, z = z0}
 705                         default.make_nyancat(p0, pr:next(0, 3), pr:next(3, 15))
 706                 end
 707         end
 708 end
 709
 710
 711 minetest.register_on_generated(default.generate_nyancats)