mods/default/mapgen.lua

   1 --
   2 -- Aliases for map generators
   3 --
   4
   5 minetest.register_alias("mapgen_stone", "default:stone")
   6 minetest.register_alias("mapgen_dirt", "default:dirt")
   7 minetest.register_alias("mapgen_dirt_with_grass", "default:dirt_with_grass")
   8 minetest.register_alias("mapgen_sand", "default:sand")
   9 minetest.register_alias("mapgen_water_source", "default:water_source")
  10 minetest.register_alias("mapgen_river_water_source", "default:river_water_source")
  11 minetest.register_alias("mapgen_lava_source", "default:lava_source")
  12 minetest.register_alias("mapgen_gravel", "default:gravel")
  13 minetest.register_alias("mapgen_desert_stone", "default:desert_stone")
  14 minetest.register_alias("mapgen_desert_sand", "default:desert_sand")
  15 minetest.register_alias("mapgen_dirt_with_snow", "default:dirt_with_snow")
  16 minetest.register_alias("mapgen_snowblock", "default:snowblock")
  17 minetest.register_alias("mapgen_snow", "default:snow")
  18 minetest.register_alias("mapgen_ice", "default:ice")
  19 minetest.register_alias("mapgen_sandstone", "default:sandstone")
  20
  21 -- Flora
  22
  23 minetest.register_alias("mapgen_tree", "default:tree")
  24 minetest.register_alias("mapgen_leaves", "default:leaves")
  25 minetest.register_alias("mapgen_apple", "default:apple")
  26 minetest.register_alias("mapgen_jungletree", "default:jungletree")
  27 minetest.register_alias("mapgen_jungleleaves", "default:jungleleaves")
  28 minetest.register_alias("mapgen_junglegrass", "default:junglegrass")
  29 minetest.register_alias("mapgen_pine_tree", "default:pine_tree")
  30 minetest.register_alias("mapgen_pine_needles", "default:pine_needles")
  31
  32 -- Dungeons
  33
  34 minetest.register_alias("mapgen_cobble", "default:cobble")
  35 minetest.register_alias("mapgen_stair_cobble", "stairs:stair_cobble")
  36 minetest.register_alias("mapgen_mossycobble", "default:mossycobble")
  37 minetest.register_alias("mapgen_stair_desert_stone", "stairs:stair_desert_stone")
  38 minetest.register_alias("mapgen_sandstonebrick", "default:sandstonebrick")
  39 minetest.register_alias("mapgen_stair_sandstone_block", "stairs:stair_sandstone_block")
  40
  41
  42 --
  43 -- Register ores
  44 --
  45
  46 -- Blob ores
  47 -- These first to avoid other ores in blobs
  48
  49 -- Mgv6
  50
  51 function default.register_mgv6_blob_ores()
  52
  53         -- Clay
  54         -- This first to avoid clay in sand blobs
  55
  56         minetest.register_ore({
  57                 ore_type        = "blob",
  58                 ore             = "default:clay",
  59                 wherein         = {"default:sand"},
  60                 clust_scarcity  = 16 * 16 * 16,
  61                 clust_size      = 5,
  62                 y_min           = -15,
  63                 y_max           = 0,
  64                 noise_threshold = 0.0,
  65                 noise_params    = {
  66                         offset = 0.5,
  67                         scale = 0.2,
  68                         spread = {x = 5, y = 5, z = 5},
  69                         seed = -316,
  70                         octaves = 1,
  71                         persist = 0.0
  72                 },
  73         })
  74
  75         -- Sand
  76
  77         minetest.register_ore({
  78                 ore_type        = "blob",
  79                 ore             = "default:sand",
  80                 wherein         = {"default:stone", "default:desert_stone"},
  81                 clust_scarcity  = 16 * 16 * 16,
  82                 clust_size      = 5,
  83                 y_min           = -31,
  84                 y_max           = 0,
  85                 noise_threshold = 0.0,
  86                 noise_params    = {
  87                         offset = 0.5,
  88                         scale = 0.2,
  89                         spread = {x = 5, y = 5, z = 5},
  90                         seed = 2316,
  91                         octaves = 1,
  92                         persist = 0.0
  93                 },
  94         })
  95
  96         -- Dirt
  97
  98         minetest.register_ore({
  99                 ore_type        = "blob",
 100                 ore             = "default:dirt",
 101                 wherein         = {"default:stone"},
 102                 clust_scarcity  = 16 * 16 * 16,
 103                 clust_size      = 5,
 104                 y_min           = -31,
 105                 y_max           = 31000,
 106                 noise_threshold = 0.0,
 107                 noise_params    = {
 108                         offset = 0.5,
 109                         scale = 0.2,
 110                         spread = {x = 5, y = 5, z = 5},
 111                         seed = 17676,
 112                         octaves = 1,
 113                         persist = 0.0
 114                 },
 115         })
 116
 117         -- Gravel
 118
 119         minetest.register_ore({
 120                 ore_type        = "blob",
 121                 ore             = "default:gravel",
 122                 wherein         = {"default:stone"},
 123                 clust_scarcity  = 16 * 16 * 16,
 124                 clust_size      = 5,
 125                 y_min           = -31000,
 126                 y_max           = 31000,
 127                 noise_threshold = 0.0,
 128                 noise_params    = {
 129                         offset = 0.5,
 130                         scale = 0.2,
 131                         spread = {x = 5, y = 5, z = 5},
 132                         seed = 766,
 133                         octaves = 1,
 134                         persist = 0.0
 135                 },
 136         })
 137 end
 138
 139
 140 -- All mapgens except mgv6
 141
 142 function default.register_blob_ores()
 143
 144         -- Clay
 145
 146         minetest.register_ore({
 147                 ore_type        = "blob",
 148                 ore             = "default:clay",
 149                 wherein         = {"default:sand"},
 150                 clust_scarcity  = 16 * 16 * 16,
 151                 clust_size      = 5,
 152                 y_min           = -15,
 153                 y_max           = 0,
 154                 noise_threshold = 0.0,
 155                 noise_params    = {
 156                         offset = 0.5,
 157                         scale = 0.2,
 158                         spread = {x = 5, y = 5, z = 5},
 159                         seed = -316,
 160                         octaves = 1,
 161                         persist = 0.0
 162                 },
 163         })
 164
 165         -- Silver sand
 166
 167         minetest.register_ore({
 168                 ore_type        = "blob",
 169                 ore             = "default:silver_sand",
 170                 wherein         = {"default:stone"},
 171                 clust_scarcity  = 16 * 16 * 16,
 172                 clust_size      = 5,
 173                 y_min           = -31000,
 174                 y_max           = 31000,
 175                 noise_threshold = 0.0,
 176                 noise_params    = {
 177                         offset = 0.5,
 178                         scale = 0.2,
 179                         spread = {x = 5, y = 5, z = 5},
 180                         seed = 2316,
 181                         octaves = 1,
 182                         persist = 0.0
 183                 },
 184                 biomes = {"icesheet_ocean", "tundra", "tundra_beach", "tundra_ocean",
 185                         "taiga", "taiga_ocean", "snowy_grassland", "snowy_grassland_ocean",
 186                         "grassland", "grassland_dunes", "grassland_ocean", "coniferous_forest",
 187                         "coniferous_forest_dunes", "coniferous_forest_ocean", "deciduous_forest",
 188                         "deciduous_forest_shore", "deciduous_forest_ocean", "cold_desert",
 189                         "cold_desert_ocean", "savanna", "savanna_shore", "savanna_ocean",
 190                         "rainforest", "rainforest_swamp", "rainforest_ocean", "underground",
 191                         "floatland_ocean", "floatland_grassland", "floatland_coniferous_forest"}
 192         })
 193
 194         -- Dirt
 195
 196         minetest.register_ore({
 197                 ore_type        = "blob",
 198                 ore             = "default:dirt",
 199                 wherein         = {"default:stone"},
 200                 clust_scarcity  = 16 * 16 * 16,
 201                 clust_size      = 5,
 202                 y_min           = -31,
 203                 y_max           = 31000,
 204                 noise_threshold = 0.0,
 205                 noise_params    = {
 206                         offset = 0.5,
 207                         scale = 0.2,
 208                         spread = {x = 5, y = 5, z = 5},
 209                         seed = 17676,
 210                         octaves = 1,
 211                         persist = 0.0
 212                 },
 213                 biomes = {"taiga", "snowy_grassland", "grassland", "coniferous_forest",
 214                         "deciduous_forest", "deciduous_forest_shore", "savanna", "savanna_shore",
 215                         "rainforest", "rainforest_swamp", "floatland_grassland",
 216                         "floatland_coniferous_forest"}
 217         })
 218
 219         -- Gravel
 220
 221         minetest.register_ore({
 222                 ore_type        = "blob",
 223                 ore             = "default:gravel",
 224                 wherein         = {"default:stone"},
 225                 clust_scarcity  = 16 * 16 * 16,
 226                 clust_size      = 5,
 227                 y_min           = -31000,
 228                 y_max           = 31000,
 229                 noise_threshold = 0.0,
 230                 noise_params    = {
 231                         offset = 0.5,
 232                         scale = 0.2,
 233                         spread = {x = 5, y = 5, z = 5},
 234                         seed = 766,
 235                         octaves = 1,
 236                         persist = 0.0
 237                 },
 238                 biomes = {"icesheet_ocean", "tundra", "tundra_beach", "tundra_ocean",
 239                         "taiga", "taiga_ocean", "snowy_grassland", "snowy_grassland_ocean",
 240                         "grassland", "grassland_dunes", "grassland_ocean", "coniferous_forest",
 241                         "coniferous_forest_dunes", "coniferous_forest_ocean", "deciduous_forest",
 242                         "deciduous_forest_shore", "deciduous_forest_ocean", "cold_desert",
 243                         "cold_desert_ocean", "savanna", "savanna_shore", "savanna_ocean",
 244                         "rainforest", "rainforest_swamp", "rainforest_ocean", "underground",
 245                         "floatland_ocean", "floatland_grassland", "floatland_coniferous_forest"}
 246         })
 247 end
 248
 249
 250 -- Scatter ores
 251 -- All mapgens
 252
 253 function default.register_ores()
 254
 255         -- Coal
 256
 257         minetest.register_ore({
 258                 ore_type       = "scatter",
 259                 ore            = "default:stone_with_coal",
 260                 wherein        = "default:stone",
 261                 clust_scarcity = 8 * 8 * 8,
 262                 clust_num_ores = 9,
 263                 clust_size     = 3,
 264                 y_min          = 1025,
 265                 y_max          = 31000,
 266         })
 267
 268         minetest.register_ore({
 269                 ore_type       = "scatter",
 270                 ore            = "default:stone_with_coal",
 271                 wherein        = "default:stone",
 272                 clust_scarcity = 8 * 8 * 8,
 273                 clust_num_ores = 8,
 274                 clust_size     = 3,
 275                 y_min          = -31000,
 276                 y_max          = 64,
 277         })
 278
 279         minetest.register_ore({
 280                 ore_type       = "scatter",
 281                 ore            = "default:stone_with_coal",
 282                 wherein        = "default:stone",
 283                 clust_scarcity = 24 * 24 * 24,
 284                 clust_num_ores = 27,
 285                 clust_size     = 6,
 286                 y_min          = -31000,
 287                 y_max          = 0,
 288         })
 289
 290         -- Iron
 291
 292         minetest.register_ore({
 293                 ore_type       = "scatter",
 294                 ore            = "default:stone_with_iron",
 295                 wherein        = "default:stone",
 296                 clust_scarcity = 9 * 9 * 9,
 297                 clust_num_ores = 12,
 298                 clust_size     = 3,
 299                 y_min          = 1025,
 300                 y_max          = 31000,
 301         })
 302
 303         minetest.register_ore({
 304                 ore_type       = "scatter",
 305                 ore            = "default:stone_with_iron",
 306                 wherein        = "default:stone",
 307                 clust_scarcity = 7 * 7 * 7,
 308                 clust_num_ores = 5,
 309                 clust_size     = 3,
 310                 y_min          = -31000,
 311                 y_max          = 0,
 312         })
 313
 314         minetest.register_ore({
 315                 ore_type       = "scatter",
 316                 ore            = "default:stone_with_iron",
 317                 wherein        = "default:stone",
 318                 clust_scarcity = 24 * 24 * 24,
 319                 clust_num_ores = 27,
 320                 clust_size     = 6,
 321                 y_min          = -31000,
 322                 y_max          = -64,
 323         })
 324
 325         -- Copper
 326
 327         minetest.register_ore({
 328                 ore_type       = "scatter",
 329                 ore            = "default:stone_with_copper",
 330                 wherein        = "default:stone",
 331                 clust_scarcity = 9 * 9 * 9,
 332                 clust_num_ores = 5,
 333                 clust_size     = 3,
 334                 y_min          = 1025,
 335                 y_max          = 31000,
 336         })
 337
 338         minetest.register_ore({
 339                 ore_type       = "scatter",
 340                 ore            = "default:stone_with_copper",
 341                 wherein        = "default:stone",
 342                 clust_scarcity = 12 * 12 * 12,
 343                 clust_num_ores = 4,
 344                 clust_size     = 3,
 345                 y_min          = -63,
 346                 y_max          = -16,
 347         })
 348
 349         minetest.register_ore({
 350                 ore_type       = "scatter",
 351                 ore            = "default:stone_with_copper",
 352                 wherein        = "default:stone",
 353                 clust_scarcity = 9 * 9 * 9,
 354                 clust_num_ores = 5,
 355                 clust_size     = 3,
 356                 y_min          = -31000,
 357                 y_max          = -64,
 358         })
 359
 360         -- Tin
 361
 362         minetest.register_ore({
 363                 ore_type       = "scatter",
 364                 ore            = "default:stone_with_tin",
 365                 wherein        = "default:stone",
 366                 clust_scarcity = 10 * 10 * 10,
 367                 clust_num_ores = 5,
 368                 clust_size     = 3,
 369                 y_min          = 1025,
 370                 y_max          = 31000,
 371         })
 372
 373         minetest.register_ore({
 374                 ore_type       = "scatter",
 375                 ore            = "default:stone_with_tin",
 376                 wherein        = "default:stone",
 377                 clust_scarcity = 13 * 13 * 13,
 378                 clust_num_ores = 4,
 379                 clust_size     = 3,
 380                 y_min          = -127,
 381                 y_max          = -32,
 382         })
 383
 384         minetest.register_ore({
 385                 ore_type       = "scatter",
 386                 ore            = "default:stone_with_tin",
 387                 wherein        = "default:stone",
 388                 clust_scarcity = 10 * 10 * 10,
 389                 clust_num_ores = 5,
 390                 clust_size     = 3,
 391                 y_min          = -31000,
 392                 y_max          = -128,
 393         })
 394
 395         -- Gold
 396
 397         minetest.register_ore({
 398                 ore_type       = "scatter",
 399                 ore            = "default:stone_with_gold",
 400                 wherein        = "default:stone",
 401                 clust_scarcity = 13 * 13 * 13,
 402                 clust_num_ores = 5,
 403                 clust_size     = 3,
 404                 y_min          = 1025,
 405                 y_max          = 31000,
 406         })
 407
 408         minetest.register_ore({
 409                 ore_type       = "scatter",
 410                 ore            = "default:stone_with_gold",
 411                 wherein        = "default:stone",
 412                 clust_scarcity = 15 * 15 * 15,
 413                 clust_num_ores = 3,
 414                 clust_size     = 2,
 415                 y_min          = -255,
 416                 y_max          = -64,
 417         })
 418
 419         minetest.register_ore({
 420                 ore_type       = "scatter",
 421                 ore            = "default:stone_with_gold",
 422                 wherein        = "default:stone",
 423                 clust_scarcity = 13 * 13 * 13,
 424                 clust_num_ores = 5,
 425                 clust_size     = 3,
 426                 y_min          = -31000,
 427                 y_max          = -256,
 428         })
 429
 430         -- Mese crystal
 431
 432         minetest.register_ore({
 433                 ore_type       = "scatter",
 434                 ore            = "default:stone_with_mese",
 435                 wherein        = "default:stone",
 436                 clust_scarcity = 14 * 14 * 14,
 437                 clust_num_ores = 5,
 438                 clust_size     = 3,
 439                 y_min          = 1025,
 440                 y_max          = 31000,
 441         })
 442
 443         minetest.register_ore({
 444                 ore_type       = "scatter",
 445                 ore            = "default:stone_with_mese",
 446                 wherein        = "default:stone",
 447                 clust_scarcity = 18 * 18 * 18,
 448                 clust_num_ores = 3,
 449                 clust_size     = 2,
 450                 y_min          = -255,
 451                 y_max          = -64,
 452         })
 453
 454         minetest.register_ore({
 455                 ore_type       = "scatter",
 456                 ore            = "default:stone_with_mese",
 457                 wherein        = "default:stone",
 458                 clust_scarcity = 14 * 14 * 14,
 459                 clust_num_ores = 5,
 460                 clust_size     = 3,
 461                 y_min          = -31000,
 462                 y_max          = -256,
 463         })
 464
 465         -- Diamond
 466
 467         minetest.register_ore({
 468                 ore_type       = "scatter",
 469                 ore            = "default:stone_with_diamond",
 470                 wherein        = "default:stone",
 471                 clust_scarcity = 15 * 15 * 15,
 472                 clust_num_ores = 4,
 473                 clust_size     = 3,
 474                 y_min          = 1025,
 475                 y_max          = 31000,
 476         })
 477
 478         minetest.register_ore({
 479                 ore_type       = "scatter",
 480                 ore            = "default:stone_with_diamond",
 481                 wherein        = "default:stone",
 482                 clust_scarcity = 17 * 17 * 17,
 483                 clust_num_ores = 4,
 484                 clust_size     = 3,
 485                 y_min          = -255,
 486                 y_max          = -128,
 487         })
 488
 489         minetest.register_ore({
 490                 ore_type       = "scatter",
 491                 ore            = "default:stone_with_diamond",
 492                 wherein        = "default:stone",
 493                 clust_scarcity = 15 * 15 * 15,
 494                 clust_num_ores = 4,
 495                 clust_size     = 3,
 496                 y_min          = -31000,
 497                 y_max          = -256,
 498         })
 499
 500         -- Mese block
 501
 502         minetest.register_ore({
 503                 ore_type       = "scatter",
 504                 ore            = "default:mese",
 505                 wherein        = "default:stone",
 506                 clust_scarcity = 36 * 36 * 36,
 507                 clust_num_ores = 3,
 508                 clust_size     = 2,
 509                 y_min          = 1025,
 510                 y_max          = 31000,
 511         })
 512
 513         minetest.register_ore({
 514                 ore_type       = "scatter",
 515                 ore            = "default:mese",
 516                 wherein        = "default:stone",
 517                 clust_scarcity = 36 * 36 * 36,
 518                 clust_num_ores = 3,
 519                 clust_size     = 2,
 520                 y_min          = -31000,
 521                 y_max          = -1024,
 522         })
 523 end
 524
 525
 526 --
 527 -- Register biomes
 528 --
 529
 530 -- All mapgens except mgv6
 531
 532 function default.register_biomes(upper_limit)
 533
 534         -- Icesheet
 535
 536         minetest.register_biome({
 537                 name = "icesheet",
 538                 node_dust = "default:snowblock",
 539                 node_top = "default:snowblock",
 540                 depth_top = 1,
 541                 node_filler = "default:snowblock",
 542                 depth_filler = 3,
 543                 node_stone = "default:ice",
 544                 node_water_top = "default:ice",
 545                 depth_water_top = 10,
 546                 --node_water = "",
 547                 node_river_water = "default:ice",
 548                 node_riverbed = "default:gravel",
 549                 depth_riverbed = 2,
 550                 y_min = -8,
 551                 y_max = upper_limit,
 552                 heat_point = 0,
 553                 humidity_point = 73,
 554         })
 555
 556         minetest.register_biome({
 557                 name = "icesheet_ocean",
 558                 node_dust = "default:snowblock",
 559                 node_top = "default:sand",
 560                 depth_top = 1,
 561                 node_filler = "default:sand",
 562                 depth_filler = 3,
 563                 --node_stone = "",
 564                 node_water_top = "default:ice",
 565                 depth_water_top = 10,
 566                 --node_water = "",
 567                 --node_river_water = "",
 568                 y_min = -112,
 569                 y_max = -9,
 570                 heat_point = 0,
 571                 humidity_point = 73,
 572         })
 573
 574         -- Tundra
 575
 576         minetest.register_biome({
 577                 name = "tundra",
 578                 node_dust = "default:snowblock",
 579                 --node_top = ,
 580                 --depth_top = ,
 581                 --node_filler = ,
 582                 --depth_filler = ,
 583                 --node_stone = "",
 584                 --node_water_top = "",
 585                 --depth_water_top = ,
 586                 --node_water = "",
 587                 --node_river_water = "",
 588                 node_riverbed = "default:gravel",
 589                 depth_riverbed = 2,
 590                 y_min = 2,
 591                 y_max = upper_limit,
 592                 heat_point = 0,
 593                 humidity_point = 40,
 594         })
 595
 596         minetest.register_biome({
 597                 name = "tundra_beach",
 598                 --node_dust = "",
 599                 node_top = "default:gravel",
 600                 depth_top = 1,
 601                 node_filler = "default:gravel",
 602                 depth_filler = 2,
 603                 --node_stone = "",
 604                 --node_water_top = "",
 605                 --depth_water_top = ,
 606                 --node_water = "",
 607                 --node_river_water = "",
 608                 node_riverbed = "default:gravel",
 609                 depth_riverbed = 2,
 610                 y_min = -3,
 611                 y_max = 1,
 612                 heat_point = 0,
 613                 humidity_point = 40,
 614         })
 615
 616         minetest.register_biome({
 617                 name = "tundra_ocean",
 618                 --node_dust = "",
 619                 node_top = "default:sand",
 620                 depth_top = 1,
 621                 node_filler = "default:sand",
 622                 depth_filler = 3,
 623                 --node_stone = "",
 624                 --node_water_top = "",
 625                 --depth_water_top = ,
 626                 --node_water = "",
 627                 --node_river_water = "",
 628                 node_riverbed = "default:gravel",
 629                 depth_riverbed = 2,
 630                 y_min = -112,
 631                 y_max = -4,
 632                 heat_point = 0,
 633                 humidity_point = 40,
 634         })
 635
 636         -- Taiga
 637
 638         minetest.register_biome({
 639                 name = "taiga",
 640                 node_dust = "default:snow",
 641                 node_top = "default:dirt_with_snow",
 642                 depth_top = 1,
 643                 node_filler = "default:dirt",
 644                 depth_filler = 3,
 645                 --node_stone = "",
 646                 --node_water_top = "",
 647                 --depth_water_top = ,
 648                 --node_water = "",
 649                 --node_river_water = "",
 650                 node_riverbed = "default:sand",
 651                 depth_riverbed = 2,
 652                 y_min = 2,
 653                 y_max = upper_limit,
 654                 heat_point = 25,
 655                 humidity_point = 70,
 656         })
 657
 658         minetest.register_biome({
 659                 name = "taiga_ocean",
 660                 --node_dust = "",
 661                 node_top = "default:sand",
 662                 depth_top = 1,
 663                 node_filler = "default:sand",
 664                 depth_filler = 3,
 665                 --node_stone = "",
 666                 --node_water_top = "",
 667                 --depth_water_top = ,
 668                 --node_water = "",
 669                 --node_river_water = "",
 670                 node_riverbed = "default:sand",
 671                 depth_riverbed = 2,
 672                 y_min = -112,
 673                 y_max = 1,
 674                 heat_point = 25,
 675                 humidity_point = 70,
 676         })
 677
 678         -- Snowy grassland
 679
 680         minetest.register_biome({
 681                 name = "snowy_grassland",
 682                 node_dust = "default:snow",
 683                 node_top = "default:dirt_with_snow",
 684                 depth_top = 1,
 685                 node_filler = "default:dirt",
 686                 depth_filler = 1,
 687                 --node_stone = "",
 688                 --node_water_top = "",
 689                 --depth_water_top = ,
 690                 --node_water = "",
 691                 --node_river_water = "",
 692                 node_riverbed = "default:sand",
 693                 depth_riverbed = 2,
 694                 y_min = 5,
 695                 y_max = upper_limit,
 696                 heat_point = 20,
 697                 humidity_point = 35,
 698         })
 699
 700         minetest.register_biome({
 701                 name = "snowy_grassland_ocean",
 702                 --node_dust = "",
 703                 node_top = "default:sand",
 704                 depth_top = 1,
 705                 node_filler = "default:sand",
 706                 depth_filler = 3,
 707                 --node_stone = "",
 708                 --node_water_top = "",
 709                 --depth_water_top = ,
 710                 --node_water = "",
 711                 --node_river_water = "",
 712                 node_riverbed = "default:sand",
 713                 depth_riverbed = 2,
 714                 y_min = -112,
 715                 y_max = 4,
 716                 heat_point = 20,
 717                 humidity_point = 35,
 718         })
 719
 720         -- Grassland
 721
 722         minetest.register_biome({
 723                 name = "grassland",
 724                 --node_dust = "",
 725                 node_top = "default:dirt_with_grass",
 726                 depth_top = 1,
 727                 node_filler = "default:dirt",
 728                 depth_filler = 1,
 729                 --node_stone = "",
 730                 --node_water_top = "",
 731                 --depth_water_top = ,
 732                 --node_water = "",
 733                 --node_river_water = "",
 734                 node_riverbed = "default:sand",
 735                 depth_riverbed = 2,
 736                 y_min = 6,
 737                 y_max = upper_limit,
 738                 heat_point = 50,
 739                 humidity_point = 35,
 740         })
 741
 742         minetest.register_biome({
 743                 name = "grassland_dunes",
 744                 --node_dust = "",
 745                 node_top = "default:sand",
 746                 depth_top = 1,
 747                 node_filler = "default:sand",
 748                 depth_filler = 2,
 749                 --node_stone = "",
 750                 --node_water_top = "",
 751                 --depth_water_top = ,
 752                 --node_water = "",
 753                 --node_river_water = "",
 754                 node_riverbed = "default:sand",
 755                 depth_riverbed = 2,
 756                 y_min = 5,
 757                 y_max = 5,
 758                 heat_point = 50,
 759                 humidity_point = 35,
 760         })
 761
 762         minetest.register_biome({
 763                 name = "grassland_ocean",
 764                 --node_dust = "",
 765                 node_top = "default:sand",
 766                 depth_top = 1,
 767                 node_filler = "default:sand",
 768                 depth_filler = 3,
 769                 --node_stone = "",
 770                 --node_water_top = "",
 771                 --depth_water_top = ,
 772                 --node_water = "",
 773                 --node_river_water = "",
 774                 node_riverbed = "default:sand",
 775                 depth_riverbed = 2,
 776                 y_min = -112,
 777                 y_max = 4,
 778                 heat_point = 50,
 779                 humidity_point = 35,
 780         })
 781
 782         -- Coniferous forest
 783
 784         minetest.register_biome({
 785                 name = "coniferous_forest",
 786                 --node_dust = "",
 787                 node_top = "default:dirt_with_grass",
 788                 depth_top = 1,
 789                 node_filler = "default:dirt",
 790                 depth_filler = 3,
 791                 --node_stone = "",
 792                 --node_water_top = "",
 793                 --depth_water_top = ,
 794                 --node_water = "",
 795                 --node_river_water = "",
 796                 node_riverbed = "default:sand",
 797                 depth_riverbed = 2,
 798                 y_min = 6,
 799                 y_max = upper_limit,
 800                 heat_point = 45,
 801                 humidity_point = 70,
 802         })
 803
 804         minetest.register_biome({
 805                 name = "coniferous_forest_dunes",
 806                 --node_dust = "",
 807                 node_top = "default:sand",
 808                 depth_top = 1,
 809                 node_filler = "default:sand",
 810                 depth_filler = 3,
 811                 --node_stone = "",
 812                 --node_water_top = "",
 813                 --depth_water_top = ,
 814                 --node_water = "",
 815                 --node_river_water = "",
 816                 node_riverbed = "default:sand",
 817                 depth_riverbed = 2,
 818                 y_min = 5,
 819                 y_max = 5,
 820                 heat_point = 45,
 821                 humidity_point = 70,
 822         })
 823
 824         minetest.register_biome({
 825                 name = "coniferous_forest_ocean",
 826                 --node_dust = "",
 827                 node_top = "default:sand",
 828                 depth_top = 1,
 829                 node_filler = "default:sand",
 830                 depth_filler = 3,
 831                 --node_stone = "",
 832                 --node_water_top = "",
 833                 --depth_water_top = ,
 834                 --node_water = "",
 835                 --node_river_water = "",
 836                 node_riverbed = "default:sand",
 837                 depth_riverbed = 2,
 838                 y_min = -112,
 839                 y_max = 4,
 840                 heat_point = 45,
 841                 humidity_point = 70,
 842         })
 843
 844         -- Deciduous forest
 845
 846         minetest.register_biome({
 847                 name = "deciduous_forest",
 848                 --node_dust = "",
 849                 node_top = "default:dirt_with_grass",
 850                 depth_top = 1,
 851                 node_filler = "default:dirt",
 852                 depth_filler = 3,
 853                 --node_stone = "",
 854                 --node_water_top = "",
 855                 --depth_water_top = ,
 856                 --node_water = "",
 857                 --node_river_water = "",
 858                 node_riverbed = "default:sand",
 859                 depth_riverbed = 2,
 860                 y_min = 1,
 861                 y_max = upper_limit,
 862                 heat_point = 60,
 863                 humidity_point = 68,
 864         })
 865
 866         minetest.register_biome({
 867                 name = "deciduous_forest_shore",
 868                 --node_dust = "",
 869                 node_top = "default:dirt",
 870                 depth_top = 1,
 871                 node_filler = "default:dirt",
 872                 depth_filler = 3,
 873                 --node_stone = "",
 874                 --node_water_top = "",
 875                 --depth_water_top = ,
 876                 --node_water = "",
 877                 --node_river_water = "",
 878                 node_riverbed = "default:sand",
 879                 depth_riverbed = 2,
 880                 y_min = -1,
 881                 y_max = 0,
 882                 heat_point = 60,
 883                 humidity_point = 68,
 884         })
 885
 886         minetest.register_biome({
 887                 name = "deciduous_forest_ocean",
 888                 --node_dust = "",
 889                 node_top = "default:sand",
 890                 depth_top = 1,
 891                 node_filler = "default:sand",
 892                 depth_filler = 3,
 893                 --node_stone = "",
 894                 --node_water_top = "",
 895                 --depth_water_top = ,
 896                 --node_water = "",
 897                 --node_river_water = "",
 898                 node_riverbed = "default:sand",
 899                 depth_riverbed = 2,
 900                 y_min = -112,
 901                 y_max = -2,
 902                 heat_point = 60,
 903                 humidity_point = 68,
 904         })
 905
 906         -- Desert
 907
 908         minetest.register_biome({
 909                 name = "desert",
 910                 --node_dust = "",
 911                 node_top = "default:desert_sand",
 912                 depth_top = 1,
 913                 node_filler = "default:desert_sand",
 914                 depth_filler = 1,
 915                 node_stone = "default:desert_stone",
 916                 --node_water_top = "",
 917                 --depth_water_top = ,
 918                 --node_water = "",
 919                 --node_river_water = "",
 920                 node_riverbed = "default:sand",
 921                 depth_riverbed = 2,
 922                 y_min = 5,
 923                 y_max = upper_limit,
 924                 heat_point = 92,
 925                 humidity_point = 16,
 926         })
 927
 928         minetest.register_biome({
 929                 name = "desert_ocean",
 930                 --node_dust = "",
 931                 node_top = "default:sand",
 932                 depth_top = 1,
 933                 node_filler = "default:sand",
 934                 depth_filler = 3,
 935                 node_stone = "default:desert_stone",
 936                 --node_water_top = "",
 937                 --depth_water_top = ,
 938                 --node_water = "",
 939                 --node_river_water = "",
 940                 node_riverbed = "default:sand",
 941                 depth_riverbed = 2,
 942                 y_min = -112,
 943                 y_max = 4,
 944                 heat_point = 92,
 945                 humidity_point = 16,
 946         })
 947
 948         -- Sandstone desert
 949
 950         minetest.register_biome({
 951                 name = "sandstone_desert",
 952                 --node_dust = "",
 953                 node_top = "default:sand",
 954                 depth_top = 1,
 955                 node_filler = "default:sand",
 956                 depth_filler = 1,
 957                 node_stone = "default:sandstone",
 958                 --node_water_top = "",
 959                 --depth_water_top = ,
 960                 --node_water = "",
 961                 --node_river_water = "",
 962                 node_riverbed = "default:sand",
 963                 depth_riverbed = 2,
 964                 y_min = 5,
 965                 y_max = upper_limit,
 966                 heat_point = 60,
 967                 humidity_point = 0,
 968         })
 969
 970         minetest.register_biome({
 971                 name = "sandstone_desert_ocean",
 972                 --node_dust = "",
 973                 node_top = "default:sand",
 974                 depth_top = 1,
 975                 node_filler = "default:sand",
 976                 depth_filler = 3,
 977                 node_stone = "default:sandstone",
 978                 --node_water_top = "",
 979                 --depth_water_top = ,
 980                 --node_water = "",
 981                 --node_river_water = "",
 982                 node_riverbed = "default:sand",
 983                 depth_riverbed = 2,
 984                 y_min = -112,
 985                 y_max = 4,
 986                 heat_point = 60,
 987                 humidity_point = 0,
 988         })
 989
 990         -- Cold desert
 991
 992         minetest.register_biome({
 993                 name = "cold_desert",
 994                 --node_dust = "",
 995                 node_top = "default:silver_sand",
 996                 depth_top = 1,
 997                 node_filler = "default:silver_sand",
 998                 depth_filler = 1,
 999                 --node_stone = "",
1000                 --node_water_top = "",
1001                 --depth_water_top = ,
1002                 --node_water = "",
1003                 --node_river_water = "",
1004                 node_riverbed = "default:sand",
1005                 depth_riverbed = 2,
1006                 y_min = 5,
1007                 y_max = upper_limit,
1008                 heat_point = 40,
1009                 humidity_point = 0,
1010         })
1011
1012         minetest.register_biome({
1013                 name = "cold_desert_ocean",
1014                 --node_dust = "",
1015                 node_top = "default:sand",
1016                 depth_top = 1,
1017                 node_filler = "default:sand",
1018                 depth_filler = 3,
1019                 --node_stone = "",
1020                 --node_water_top = "",
1021                 --depth_water_top = ,
1022                 --node_water = "",
1023                 --node_river_water = "",
1024                 node_riverbed = "default:sand",
1025                 depth_riverbed = 2,
1026                 y_min = -112,
1027                 y_max = 4,
1028                 heat_point = 40,
1029                 humidity_point = 0,
1030         })
1031
1032         -- Savanna
1033
1034         minetest.register_biome({
1035                 name = "savanna",
1036                 --node_dust = "",
1037                 node_top = "default:dirt_with_dry_grass",
1038                 depth_top = 1,
1039                 node_filler = "default:dirt",
1040                 depth_filler = 1,
1041                 --node_stone = "",
1042                 --node_water_top = "",
1043                 --depth_water_top = ,
1044                 --node_water = "",
1045                 --node_river_water = "",
1046                 node_riverbed = "default:sand",
1047                 depth_riverbed = 2,
1048                 y_min = 1,
1049                 y_max = upper_limit,
1050                 heat_point = 89,
1051                 humidity_point = 42,
1052         })
1053
1054         minetest.register_biome({
1055                 name = "savanna_shore",
1056                 --node_dust = "",
1057                 node_top = "default:dirt",
1058                 depth_top = 1,
1059                 node_filler = "default:dirt",
1060                 depth_filler = 3,
1061                 --node_stone = "",
1062                 --node_water_top = "",
1063                 --depth_water_top = ,
1064                 --node_water = "",
1065                 --node_river_water = "",
1066                 node_riverbed = "default:sand",
1067                 depth_riverbed = 2,
1068                 y_min = -1,
1069                 y_max = 0,
1070                 heat_point = 89,
1071                 humidity_point = 42,
1072         })
1073
1074         minetest.register_biome({
1075                 name = "savanna_ocean",
1076                 --node_dust = "",
1077                 node_top = "default:sand",
1078                 depth_top = 1,
1079                 node_filler = "default:sand",
1080                 depth_filler = 3,
1081                 --node_stone = "",
1082                 --node_water_top = "",
1083                 --depth_water_top = ,
1084                 --node_water = "",
1085                 --node_river_water = "",
1086                 node_riverbed = "default:sand",
1087                 depth_riverbed = 2,
1088                 y_min = -112,
1089                 y_max = -2,
1090                 heat_point = 89,
1091                 humidity_point = 42,
1092         })
1093
1094         -- Rainforest
1095
1096         minetest.register_biome({
1097                 name = "rainforest",
1098                 --node_dust = "",
1099                 node_top = "default:dirt_with_rainforest_litter",
1100                 depth_top = 1,
1101                 node_filler = "default:dirt",
1102                 depth_filler = 3,
1103                 --node_stone = "",
1104                 --node_water_top = "",
1105                 --depth_water_top = ,
1106                 --node_water = "",
1107                 --node_river_water = "",
1108                 node_riverbed = "default:sand",
1109                 depth_riverbed = 2,
1110                 y_min = 1,
1111                 y_max = upper_limit,
1112                 heat_point = 86,
1113                 humidity_point = 65,
1114         })
1115
1116         minetest.register_biome({
1117                 name = "rainforest_swamp",
1118                 --node_dust = "",
1119                 node_top = "default:dirt",
1120                 depth_top = 1,
1121                 node_filler = "default:dirt",
1122                 depth_filler = 3,
1123                 --node_stone = "",
1124                 --node_water_top = "",
1125                 --depth_water_top = ,
1126                 --node_water = "",
1127                 --node_river_water = "",
1128                 node_riverbed = "default:sand",
1129                 depth_riverbed = 2,
1130                 y_min = -1,
1131                 y_max = 0,
1132                 heat_point = 86,
1133                 humidity_point = 65,
1134         })
1135
1136         minetest.register_biome({
1137                 name = "rainforest_ocean",
1138                 --node_dust = "",
1139                 node_top = "default:sand",
1140                 depth_top = 1,
1141                 node_filler = "default:sand",
1142                 depth_filler = 3,
1143                 --node_stone = "",
1144                 --node_water_top = "",
1145                 --depth_water_top = ,
1146                 --node_water = "",
1147                 --node_river_water = "",
1148                 node_riverbed = "default:sand",
1149                 depth_riverbed = 2,
1150                 y_min = -112,
1151                 y_max = -2,
1152                 heat_point = 86,
1153                 humidity_point = 65,
1154         })
1155
1156         -- Underground
1157
1158         minetest.register_biome({
1159                 name = "underground",
1160                 --node_dust = "",
1161                 --node_top = "",
1162                 --depth_top = ,
1163                 --node_filler = "",
1164                 --depth_filler = ,
1165                 --node_stone = "",
1166                 --node_water_top = "",
1167                 --depth_water_top = ,
1168                 --node_water = "",
1169                 --node_river_water = "",
1170                 y_min = -31000,
1171                 y_max = -113,
1172                 heat_point = 50,
1173                 humidity_point = 50,
1174         })
1175 end
1176
1177
1178 -- Biomes for floatlands
1179
1180 function default.register_floatland_biomes(floatland_level, shadow_limit)
1181
1182         -- Coniferous forest
1183
1184         minetest.register_biome({
1185                 name = "floatland_coniferous_forest",
1186                 --node_dust = "",
1187                 node_top = "default:dirt_with_grass",
1188                 depth_top = 1,
1189                 node_filler = "default:dirt",
1190                 depth_filler = 3,
1191                 --node_stone = "",
1192                 --node_water_top = "",
1193                 --depth_water_top = ,
1194                 --node_water = "",
1195                 --node_river_water = "",
1196                 --node_riverbed = "",
1197                 --depth_riverbed = ,
1198                 y_min = floatland_level + 2,
1199                 y_max = 31000,
1200                 heat_point = 50,
1201                 humidity_point = 70,
1202         })
1203
1204         -- Grassland
1205
1206         minetest.register_biome({
1207                 name = "floatland_grassland",
1208                 --node_dust = "",
1209                 node_top = "default:dirt_with_grass",
1210                 depth_top = 1,
1211                 node_filler = "default:dirt",
1212                 depth_filler = 1,
1213                 --node_stone = "",
1214                 --node_water_top = "",
1215                 --depth_water_top = ,
1216                 --node_water = "",
1217                 --node_river_water = "",
1218                 --node_riverbed = "",
1219                 --depth_riverbed = ,
1220                 y_min = floatland_level + 2,
1221                 y_max = 31000,
1222                 heat_point = 50,
1223                 humidity_point = 35,
1224         })
1225
1226         -- Sandstone desert
1227
1228         minetest.register_biome({
1229                 name = "floatland_sandstone_desert",
1230                 --node_dust = "",
1231                 node_top = "default:sand",
1232                 depth_top = 1,
1233                 node_filler = "default:sand",
1234                 depth_filler = 1,
1235                 node_stone = "default:sandstone",
1236                 --node_water_top = "",
1237                 --depth_water_top = ,
1238                 --node_water = "",
1239                 --node_river_water = "",
1240                 --node_riverbed = "",
1241                 --depth_riverbed = ,
1242                 y_min = floatland_level + 2,
1243                 y_max = 31000,
1244                 heat_point = 50,
1245                 humidity_point = 0,
1246         })
1247
1248         -- Floatland ocean / underground
1249
1250         minetest.register_biome({
1251                 name = "floatland_ocean",
1252                 --node_dust = "",
1253                 node_top = "default:sand",
1254                 depth_top = 1,
1255                 node_filler = "default:sand",
1256                 depth_filler = 3,
1257                 --node_stone = "",
1258                 --node_water_top = "",
1259                 --depth_water_top = ,
1260                 --node_water = "",
1261                 --node_river_water = "",
1262                 --node_riverbed = "",
1263                 --depth_riverbed = ,
1264                 y_min = shadow_limit,
1265                 y_max = floatland_level + 1,
1266                 heat_point = 50,
1267                 humidity_point = 50,
1268         })
1269 end
1270
1271
1272 --
1273 -- Register decorations
1274 --
1275
1276 -- Mgv6
1277
1278 function default.register_mgv6_decorations()
1279
1280         -- Papyrus
1281
1282         minetest.register_decoration({
1283                 deco_type = "simple",
1284                 place_on = {"default:dirt_with_grass"},
1285                 sidelen = 16,
1286                 noise_params = {
1287                         offset = -0.3,
1288                         scale = 0.7,
1289                         spread = {x = 100, y = 100, z = 100},
1290                         seed = 354,
1291                         octaves = 3,
1292                         persist = 0.7
1293                 },
1294                 y_min = 1,
1295                 y_max = 1,
1296                 decoration = "default:papyrus",
1297                 height = 2,
1298                 height_max = 4,
1299                 spawn_by = "default:water_source",
1300                 num_spawn_by = 1,
1301         })
1302
1303         -- Cacti
1304
1305         minetest.register_decoration({
1306                 deco_type = "simple",
1307                 place_on = {"default:desert_sand"},
1308                 sidelen = 16,
1309                 noise_params = {
1310                         offset = -0.012,
1311                         scale = 0.024,
1312                         spread = {x = 100, y = 100, z = 100},
1313                         seed = 230,
1314                         octaves = 3,
1315                         persist = 0.6
1316                 },
1317                 y_min = 1,
1318                 y_max = 30,
1319                 decoration = "default:cactus",
1320                 height = 3,
1321                 height_max = 4,
1322         })
1323
1324         -- Long grasses
1325
1326         for length = 1, 5 do
1327                 minetest.register_decoration({
1328                         deco_type = "simple",
1329                         place_on = {"default:dirt_with_grass"},
1330                         sidelen = 16,
1331                         noise_params = {
1332                                 offset = 0,
1333                                 scale = 0.007,
1334                                 spread = {x = 100, y = 100, z = 100},
1335                                 seed = 329,
1336                                 octaves = 3,
1337                                 persist = 0.6
1338                         },
1339                         y_min = 1,
1340                         y_max = 30,
1341                         decoration = "default:grass_"..length,
1342                 })
1343         end
1344
1345         -- Dry shrubs
1346
1347         minetest.register_decoration({
1348                 deco_type = "simple",
1349                 place_on = {"default:desert_sand", "default:dirt_with_snow"},
1350                 sidelen = 16,
1351                 noise_params = {
1352                         offset = 0,
1353                         scale = 0.035,
1354                         spread = {x = 100, y = 100, z = 100},
1355                         seed = 329,
1356                         octaves = 3,
1357                         persist = 0.6
1358                 },
1359                 y_min = 1,
1360                 y_max = 30,
1361                 decoration = "default:dry_shrub",
1362         })
1363 end
1364
1365
1366 -- All mapgens except mgv6
1367
1368 local function register_grass_decoration(offset, scale, length)
1369         minetest.register_decoration({
1370                 deco_type = "simple",
1371                 place_on = {"default:dirt_with_grass", "default:sand"},
1372                 sidelen = 16,
1373                 noise_params = {
1374                         offset = offset,
1375                         scale = scale,
1376                         spread = {x = 200, y = 200, z = 200},
1377                         seed = 329,
1378                         octaves = 3,
1379                         persist = 0.6
1380                 },
1381                 biomes = {"grassland", "grassland_dunes", "deciduous_forest",
1382                         "coniferous_forest", "coniferous_forest_dunes",
1383                         "floatland_grassland", "floatland_coniferous_forest"},
1384                 y_min = 1,
1385                 y_max = 31000,
1386                 decoration = "default:grass_" .. length,
1387         })
1388 end
1389
1390 local function register_dry_grass_decoration(offset, scale, length)
1391         minetest.register_decoration({
1392                 deco_type = "simple",
1393                 place_on = {"default:dirt_with_dry_grass"},
1394                 sidelen = 16,
1395                 noise_params = {
1396                         offset = offset,
1397                         scale = scale,
1398                         spread = {x = 200, y = 200, z = 200},
1399                         seed = 329,
1400                         octaves = 3,
1401                         persist = 0.6
1402                 },
1403                 biomes = {"savanna"},
1404                 y_min = 1,
1405                 y_max = 31000,
1406                 decoration = "default:dry_grass_" .. length,
1407         })
1408 end
1409
1410
1411 function default.register_decorations()
1412
1413         -- Apple tree and log
1414
1415         minetest.register_decoration({
1416                 deco_type = "schematic",
1417                 place_on = {"default:dirt_with_grass"},
1418                 sidelen = 16,
1419                 noise_params = {
1420                         offset = 0.036,
1421                         scale = 0.022,
1422                         spread = {x = 250, y = 250, z = 250},
1423                         seed = 2,
1424                         octaves = 3,
1425                         persist = 0.66
1426                 },
1427                 biomes = {"deciduous_forest"},
1428                 y_min = 1,
1429                 y_max = 31000,
1430                 schematic = minetest.get_modpath("default") .. "/schematics/apple_tree.mts",
1431                 flags = "place_center_x, place_center_z",
1432                 rotation = "random",
1433         })
1434
1435         minetest.register_decoration({
1436                 deco_type = "schematic",
1437                 place_on = {"default:dirt_with_grass"},
1438                 sidelen = 16,
1439                 noise_params = {
1440                         offset = 0.0018,
1441                         scale = 0.0011,
1442                         spread = {x = 250, y = 250, z = 250},
1443                         seed = 2,
1444                         octaves = 3,
1445                         persist = 0.66
1446                 },
1447                 biomes = {"deciduous_forest"},
1448                 y_min = 1,
1449                 y_max = 31000,
1450                 schematic = minetest.get_modpath("default") .. "/schematics/apple_log.mts",
1451                 flags = "place_center_x",
1452                 rotation = "random",
1453         })
1454
1455         -- Jungle tree and log
1456
1457         minetest.register_decoration({
1458                 deco_type = "schematic",
1459                 place_on = {"default:dirt_with_rainforest_litter", "default:dirt"},
1460                 sidelen = 16,
1461                 fill_ratio = 0.1,
1462                 biomes = {"rainforest", "rainforest_swamp"},
1463                 y_min = -1,
1464                 y_max = 31000,
1465                 schematic = minetest.get_modpath("default") .. "/schematics/jungle_tree.mts",
1466                 flags = "place_center_x, place_center_z",
1467                 rotation = "random",
1468         })
1469
1470         minetest.register_decoration({
1471                 deco_type = "schematic",
1472                 place_on = {"default:dirt_with_rainforest_litter", "default:dirt"},
1473                 sidelen = 16,
1474                 fill_ratio = 0.005,
1475                 biomes = {"rainforest", "rainforest_swamp"},
1476                 y_min = 1,
1477                 y_max = 31000,
1478                 schematic = minetest.get_modpath("default") .. "/schematics/jungle_log.mts",
1479                 flags = "place_center_x",
1480                 rotation = "random",
1481         })
1482
1483         -- Taiga and temperate coniferous forest pine tree and log
1484
1485         minetest.register_decoration({
1486                 deco_type = "schematic",
1487                 place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
1488                 sidelen = 16,
1489                 noise_params = {
1490                         offset = 0.036,
1491                         scale = 0.022,
1492                         spread = {x = 250, y = 250, z = 250},
1493                         seed = 2,
1494                         octaves = 3,
1495                         persist = 0.66
1496                 },
1497                 biomes = {"taiga", "coniferous_forest", "floatland_coniferous_forest"},
1498                 y_min = 2,
1499                 y_max = 31000,
1500                 schematic = minetest.get_modpath("default") .. "/schematics/pine_tree.mts",
1501                 flags = "place_center_x, place_center_z",
1502         })
1503
1504         minetest.register_decoration({
1505                 deco_type = "schematic",
1506                 place_on = {"default:dirt_with_snow", "default:dirt_with_grass"},
1507                 sidelen = 80,
1508                 noise_params = {
1509                         offset = 0.0018,
1510                         scale = 0.0011,
1511                         spread = {x = 250, y = 250, z = 250},
1512                         seed = 2,
1513                         octaves = 3,
1514                         persist = 0.66
1515                 },
1516                 biomes = {"taiga", "coniferous_forest"},
1517                 y_min = 1,
1518                 y_max = 31000,
1519                 schematic = minetest.get_modpath("default") .. "/schematics/pine_log.mts",
1520                 flags = "place_center_x",
1521                 rotation = "random",
1522         })
1523
1524         -- Acacia tree and log
1525
1526         minetest.register_decoration({
1527                 deco_type = "schematic",
1528                 place_on = {"default:dirt_with_dry_grass"},
1529                 sidelen = 16,
1530                 noise_params = {
1531                         offset = 0,
1532                         scale = 0.002,
1533                         spread = {x = 250, y = 250, z = 250},
1534                         seed = 2,
1535                         octaves = 3,
1536                         persist = 0.66
1537                 },
1538                 biomes = {"savanna"},
1539                 y_min = 1,
1540                 y_max = 31000,
1541                 schematic = minetest.get_modpath("default") .. "/schematics/acacia_tree.mts",
1542                 flags = "place_center_x, place_center_z",
1543                 rotation = "random",
1544         })
1545
1546         minetest.register_decoration({
1547                 deco_type = "schematic",
1548                 place_on = {"default:dirt_with_dry_grass"},
1549                 sidelen = 16,
1550                 noise_params = {
1551                         offset = 0,
1552                         scale = 0.001,
1553                         spread = {x = 250, y = 250, z = 250},
1554                         seed = 2,
1555                         octaves = 3,
1556                         persist = 0.66
1557                 },
1558                 biomes = {"savanna"},
1559                 y_min = 1,
1560                 y_max = 31000,
1561                 schematic = minetest.get_modpath("default") .. "/schematics/acacia_log.mts",
1562                 flags = "place_center_x",
1563                 rotation = "random",
1564         })
1565
1566         -- Aspen tree and log
1567
1568         minetest.register_decoration({
1569                 deco_type = "schematic",
1570                 place_on = {"default:dirt_with_grass"},
1571                 sidelen = 16,
1572                 noise_params = {
1573                         offset = 0.0,
1574                         scale = -0.015,
1575                         spread = {x = 250, y = 250, z = 250},
1576                         seed = 2,
1577                         octaves = 3,
1578                         persist = 0.66
1579                 },
1580                 biomes = {"deciduous_forest"},
1581                 y_min = 1,
1582                 y_max = 31000,
1583                 schematic = minetest.get_modpath("default") .. "/schematics/aspen_tree.mts",
1584                 flags = "place_center_x, place_center_z",
1585         })
1586
1587         minetest.register_decoration({
1588                 deco_type = "schematic",
1589                 place_on = {"default:dirt_with_grass"},
1590                 sidelen = 16,
1591                 noise_params = {
1592                         offset = 0.0,
1593                         scale = -0.0008,
1594                         spread = {x = 250, y = 250, z = 250},
1595                         seed = 2,
1596                         octaves = 3,
1597                         persist = 0.66
1598                 },
1599                 biomes = {"deciduous_forest"},
1600                 y_min = 1,
1601                 y_max = 31000,
1602                 schematic = minetest.get_modpath("default") .. "/schematics/aspen_log.mts",
1603                 flags = "place_center_x",
1604                 rotation = "random",
1605         })
1606
1607         -- Large cactus
1608
1609         minetest.register_decoration({
1610                 deco_type = "schematic",
1611                 place_on = {"default:desert_sand"},
1612                 sidelen = 16,
1613                 noise_params = {
1614                         offset = -0.0003,
1615                         scale = 0.0009,
1616                         spread = {x = 200, y = 200, z = 200},
1617                         seed = 230,
1618                         octaves = 3,
1619                         persist = 0.6
1620                 },
1621                 biomes = {"desert"},
1622                 y_min = 5,
1623                 y_max = 31000,
1624                 schematic = minetest.get_modpath("default") .. "/schematics/large_cactus.mts",
1625                 flags = "place_center_x",
1626                 rotation = "random",
1627         })
1628
1629         -- Cactus
1630
1631         minetest.register_decoration({
1632                 deco_type = "simple",
1633                 place_on = {"default:desert_sand"},
1634                 sidelen = 16,
1635                 noise_params = {
1636                         offset = -0.0003,
1637                         scale = 0.0009,
1638                         spread = {x = 200, y = 200, z = 200},
1639                         seed = 230,
1640                         octaves = 3,
1641                         persist = 0.6
1642                 },
1643                 biomes = {"desert"},
1644                 y_min = 5,
1645                 y_max = 31000,
1646                 decoration = "default:cactus",
1647                 height = 2,
1648                 height_max = 5,
1649         })
1650
1651         -- Papyrus
1652
1653         minetest.register_decoration({
1654                 deco_type = "schematic",
1655                 place_on = {"default:dirt"},
1656                 sidelen = 16,
1657                 noise_params = {
1658                         offset = -0.3,
1659                         scale = 0.7,
1660                         spread = {x = 200, y = 200, z = 200},
1661                         seed = 354,
1662                         octaves = 3,
1663                         persist = 0.7
1664                 },
1665                 biomes = {"savanna_shore"},
1666                 y_min = 0,
1667                 y_max = 0,
1668                 schematic = minetest.get_modpath("default") .. "/schematics/papyrus.mts",
1669         })
1670
1671         -- Bush
1672
1673         minetest.register_decoration({
1674                 deco_type = "schematic",
1675                 place_on = {"default:dirt_with_grass", "default:dirt_with_snow"},
1676                 sidelen = 16,
1677                 noise_params = {
1678                         offset = -0.004,
1679                         scale = 0.01,
1680                         spread = {x = 100, y = 100, z = 100},
1681                         seed = 137,
1682                         octaves = 3,
1683                         persist = 0.7,
1684                 },
1685                 biomes = {"snowy_grassland", "grassland", "deciduous_forest",
1686                         "floatland_grassland"},
1687                 y_min = 1,
1688                 y_max = 31000,
1689                 schematic = minetest.get_modpath("default") .. "/schematics/bush.mts",
1690                 flags = "place_center_x, place_center_z",
1691         })
1692
1693         -- Acacia bush
1694
1695         minetest.register_decoration({
1696                 deco_type = "schematic",
1697                 place_on = {"default:dirt_with_dry_grass"},
1698                 sidelen = 16,
1699                 noise_params = {
1700                         offset = -0.004,
1701                         scale = 0.01,
1702                         spread = {x = 100, y = 100, z = 100},
1703                         seed = 90155,
1704                         octaves = 3,
1705                         persist = 0.7,
1706                 },
1707                 biomes = {"savanna"},
1708                 y_min = 1,
1709                 y_max = 31000,
1710                 schematic = minetest.get_modpath("default") .. "/schematics/acacia_bush.mts",
1711                 flags = "place_center_x, place_center_z",
1712         })
1713
1714         -- Grasses
1715
1716         register_grass_decoration(-0.03,  0.09,  5)
1717         register_grass_decoration(-0.015, 0.075, 4)
1718         register_grass_decoration(0,      0.06,  3)
1719         register_grass_decoration(0.015,  0.045, 2)
1720         register_grass_decoration(0.03,   0.03,  1)
1721
1722         -- Dry grasses
1723
1724         register_dry_grass_decoration(0.01, 0.05,  5)
1725         register_dry_grass_decoration(0.03, 0.03,  4)
1726         register_dry_grass_decoration(0.05, 0.01,  3)
1727         register_dry_grass_decoration(0.07, -0.01, 2)
1728         register_dry_grass_decoration(0.09, -0.03, 1)
1729
1730         -- Junglegrass
1731
1732         minetest.register_decoration({
1733                 deco_type = "simple",
1734                 place_on = {"default:dirt_with_rainforest_litter"},
1735                 sidelen = 16,
1736                 fill_ratio = 0.1,
1737                 biomes = {"rainforest"},
1738                 y_min = 1,
1739                 y_max = 31000,
1740                 decoration = "default:junglegrass",
1741         })
1742
1743         -- Dry shrub
1744
1745         minetest.register_decoration({
1746                 deco_type = "simple",
1747                 place_on = {"default:desert_sand",
1748                         "default:sand", "default:silver_sand"},
1749                 sidelen = 16,
1750                 noise_params = {
1751                         offset = 0,
1752                         scale = 0.02,
1753                         spread = {x = 200, y = 200, z = 200},
1754                         seed = 329,
1755                         octaves = 3,
1756                         persist = 0.6
1757                 },
1758                 biomes = {"desert", "sandstone_desert", "cold_desert"},
1759                 y_min = 2,
1760                 y_max = 31000,
1761                 decoration = "default:dry_shrub",
1762         })
1763
1764         -- Coral reef
1765
1766         minetest.register_decoration({
1767                 deco_type = "schematic",
1768                 place_on = {"default:sand"},
1769                 noise_params = {
1770                         offset = -0.15,
1771                         scale = 0.1,
1772                         spread = {x = 100, y = 100, z = 100},
1773                         seed = 7013,
1774                         octaves = 3,
1775                         persist = 1,
1776                 },
1777                 biomes = {
1778                         "desert_ocean",
1779                         "savanna_ocean",
1780                         "rainforest_ocean",
1781                 },
1782                 y_min = -8,
1783                 y_max = -2,
1784                 schematic = minetest.get_modpath("default") .. "/schematics/corals.mts",
1785                 flags = "place_center_x, place_center_z",
1786                 rotation = "random",
1787         })
1788 end
1789
1790
1791 --
1792 -- Detect mapgen, flags and parameters to select functions
1793 --
1794
1795 -- Get setting or default
1796 local mgv7_spflags = minetest.get_mapgen_setting("mgv7_spflags") or
1797         "mountains, ridges, nofloatlands"
1798 local captures_float = string.match(mgv7_spflags, "floatlands")
1799 local captures_nofloat = string.match(mgv7_spflags, "nofloatlands")
1800
1801 local mgv7_floatland_level = minetest.get_mapgen_setting("mgv7_floatland_level") or 1280
1802 local mgv7_shadow_limit = minetest.get_mapgen_setting("mgv7_shadow_limit") or 1024
1803
1804 minetest.clear_registered_biomes()
1805 minetest.clear_registered_ores()
1806 minetest.clear_registered_decorations()
1807
1808 local mg_name = minetest.get_mapgen_setting("mg_name")
1809 if mg_name == "v6" then
1810         default.register_mgv6_blob_ores()
1811         default.register_ores()
1812         default.register_mgv6_decorations()
1813 elseif mg_name == "v7" and captures_float == "floatlands" and
1814                 captures_nofloat ~= "nofloatlands" then
1815         -- Mgv7 with floatlands
1816         default.register_biomes(mgv7_shadow_limit - 1)
1817         default.register_floatland_biomes(mgv7_floatland_level, mgv7_shadow_limit)
1818         default.register_blob_ores()
1819         default.register_ores()
1820         default.register_decorations()
1821 else
1822         default.register_biomes(31000)
1823         default.register_blob_ores()
1824         default.register_ores()
1825         default.register_decorations()
1826 end