room.lua

   1 local S = minetest.get_translator("tsm_pyramids")
   2
   3 -- ROOM LAYOUTS
   4
   5 local ROOM_WIDTH = 9
   6
   7 local room_types = {
   8         -- Pillar room
   9         {
  10                 style = "yrepeat",
  11                 layout = {
  12                         " "," "," "," "," "," "," "," "," ",
  13                         " ","^"," ","^"," ","^"," ","^"," ",
  14                         " ","c"," ","c"," ","c"," ","c"," ",
  15                         " "," "," "," "," "," "," "," "," ",
  16                         " "," "," "," "," "," "," "," "," ",
  17                         " "," "," "," "," "," "," "," "," ",
  18                         " ","c"," ","c"," ","c"," ","c"," ",
  19                         " ","v"," ","v"," ","v"," ","v"," ",
  20                         " "," "," "," "," "," "," "," "," "
  21                 },
  22                 traps = true,
  23         },
  24         -- Hieroglyph walls
  25         {
  26                 style = "yrepeat",
  27                 layout = {
  28                         "s","h","h","h","h","h","h","h","s",
  29                         "h"," "," "," "," "," "," "," ","h",
  30                         "h"," "," "," "," "," "," "," ","h",
  31                         "h"," "," "," "," "," "," "," ","h",
  32                         " "," "," "," ","<"," "," "," ","h",
  33                         "h"," "," "," "," "," "," "," ","h",
  34                         "h"," "," "," "," "," "," "," ","h",
  35                         "h"," "," "," "," "," "," "," ","h",
  36                         "s","h","h","h","h","h","h","h","s"
  37                 },
  38         },
  39         -- 4 large pillars
  40         {
  41                 style = "yrepeat",
  42                 layout = {
  43                         " "," "," "," ","v"," "," "," "," ",
  44                         " ","c","c"," "," "," ","c","c"," ",
  45                         " ","c","c"," "," "," ","c","c"," ",
  46                         " "," "," "," "," "," "," "," "," ",
  47                         " "," "," "," "," "," "," "," ","<",
  48                         " "," "," "," "," "," "," "," "," ",
  49                         " ","c","c"," "," "," ","c","c"," ",
  50                         " ","c","c"," "," "," ","c","c"," ",
  51                         " "," "," "," ","^"," "," "," "," "
  52                 },
  53         },
  54         -- hidden room
  55         {
  56                 style = "yrepeat",
  57                 layout = {
  58                         " "," "," "," "," "," "," "," "," ",
  59                         " "," "," "," "," "," "," "," "," ",
  60                         " "," ","c","S","c","S","c"," "," ",
  61                         " "," ","S"," "," "," ","S"," "," ",
  62                         " "," ","c"," ",">"," ","c"," ","<",
  63                         " "," ","S"," "," "," ","S"," "," ",
  64                         " "," ","c","S","c","S","c"," "," ",
  65                         " "," "," "," "," "," "," "," "," ",
  66                         " "," "," "," "," "," "," "," "," "
  67                 },
  68         },
  69         -- spiral 1
  70         {
  71                 style = "yrepeat",
  72                 layout = {
  73                         " "," "," "," "," "," "," "," "," ",
  74                         " ","S","S","S","S","S","S","S"," ",
  75                         " ","S"," "," "," "," "," ","S"," ",
  76                         " ","S"," ","c","c","c"," ","S"," ",
  77                         " ","S"," ","c","v","c"," ","S"," ",
  78                         "S","S"," ","c"," ","c"," ","S"," ",
  79                         "S","S"," ","c"," "," "," ","S"," ",
  80                         "v","S"," ","S","S","S","S","S"," ",
  81                         " ","S"," "," "," "," "," "," "," "
  82                 },
  83         },
  84         -- spiral 2
  85         {
  86                 style = "yrepeat",
  87                 layout = {
  88                         " "," "," "," "," "," "," "," "," ",
  89                         " ","S","S","S","S","S","S","S"," ",
  90                         " "," "," ","c"," "," "," ","S"," ",
  91                         "S","S"," ","c"," ","c"," ","S"," ",
  92                         " ","S"," ","c","^","c"," ","S"," ",
  93                         " ","S"," ","c","c","c"," ","S"," ",
  94                         " ","S"," "," "," "," "," ","S"," ",
  95                         " ","S","S","S","S","S","S","S"," ",
  96                         " "," "," "," "," "," "," "," "," "
  97                 },
  98         },
  99         -- pillar mania
 100         {
 101                 style = "yrepeat",
 102                 layout = {
 103                         " "," ","v"," ","v"," ","v"," ","v",
 104                         " ","c"," ","c"," ","c"," ","c"," ",
 105                         " "," "," "," "," "," "," "," "," ",
 106                         " ","c"," ","c"," ","c"," ","c"," ",
 107                         " "," "," "," "," "," "," "," "," ",
 108                         " ","c"," ","c"," ","c"," ","c"," ",
 109                         " "," "," "," "," "," "," "," "," ",
 110                         " ","c"," ","c"," ","c"," ","c"," ",
 111                         " "," ","^"," ","^"," ","^"," ","^",
 112                 },
 113                 --traps = true,
 114         },
 115         -- plusses
 116         {
 117                 style = "yrepeat",
 118                 layout = {
 119                         "c"," "," "," "," "," "," "," ","c",
 120                         " "," ","c",">"," ","<","c"," "," ",
 121                         " ","c","s","c"," ","c","s","c"," ",
 122                         " "," ","c"," "," "," ","c"," "," ",
 123                         " "," "," "," ","<"," "," "," "," ",
 124                         " "," ","c"," "," "," ","c"," "," ",
 125                         " ","c","s","c"," ","c","s","c"," ",
 126                         " "," ","c",">"," ","<","c"," "," ",
 127                         "c"," "," "," "," "," "," "," ","c",
 128                 },
 129                 --traps = true,
 130         },
 131         -- diamond
 132         {
 133                 style = "yrepeat",
 134                 layout = {
 135                         ">","s","s","c","c","c","s","s","s",
 136                         "s","s","c"," "," "," ","c","s","s",
 137                         "s","c"," "," "," "," "," ","c","s",
 138                         "c"," "," "," "," "," "," "," ","c",
 139                         " "," "," "," "," "," "," ","<","c",
 140                         "c"," "," "," "," "," "," "," ","c",
 141                         "s","c"," "," "," "," "," ","c","s",
 142                         "s","s","c"," "," "," ","c","s","s",
 143                         ">","s","s","c","c","c","s","s","s",
 144                 },
 145                 --traps = true,
 146         },
 147         -- square
 148         {
 149                 style = "yrepeat",
 150                 layout = {
 151                         " "," "," "," "," "," "," "," "," ",
 152                         " ","S","S","S","^","S","S","S"," ",
 153                         " ","S","S","S","S","S","S","S"," ",
 154                         " ","S","S","S","S","S","S","S"," ",
 155                         " ","S","S","S","S","S","S",">"," ",
 156                         " ","S","S","S","S","S","S","S"," ",
 157                         " ","S","S","S","S","S","S","S"," ",
 158                         " ","S","S","S","v","S","S","S"," ",
 159                         " "," "," "," "," "," "," "," "," ",
 160                 },
 161         },
 162         -- hallway 2
 163         {
 164                 style = "yrepeat",
 165                 layout = {
 166                         "S","S","S","S",">"," "," "," "," ",
 167                         "S","S","S","S","S","^","S","S"," ",
 168                         "S","S","S","S","S","S","S","S"," ",
 169                         "S","S","S","S","S","S","S","S"," ",
 170                         " "," "," "," "," "," "," "," "," ",
 171                         "S","S","S","S","S","S","S","S"," ",
 172                         "S","S","S","S","S","S","S","S"," ",
 173                         "S","S","S","S","S","v","S","S"," ",
 174                         "S","S","S","S",">"," "," "," "," ",
 175                 },
 176         },
 177         -- hallway 3
 178         {
 179                 style = "yrepeat",
 180                 layout = {
 181                         "S","S","S","S","S"," "," "," "," ",
 182                         "S","S","S","S","c",">"," "," "," ",
 183                         "S","c","S","c","S","c","S"," "," ",
 184                         " "," "," "," "," "," "," "," "," ",
 185                         " "," "," "," "," "," "," "," "," ",
 186                         " "," "," "," "," "," "," "," "," ",
 187                         "S","c","S","c","S","c","S"," "," ",
 188                         "S","S","S","S","c",">"," "," "," ",
 189                         "S","S","S","S","S"," "," "," "," ",
 190                 },
 191         },
 192         -- hallway 4
 193         {
 194                 style = "yrepeat",
 195                 layout = {
 196                         "S","S","S","S","S","v","S","S","S",
 197                         "S","S","S","S","S","S","S","S","S",
 198                         "c","S","c","S","c","S","c","S","c",
 199                         " "," "," "," "," "," "," "," "," ",
 200                         " "," "," "," "," "," "," "," ","<",
 201                         " "," "," "," "," "," "," "," "," ",
 202                         "c","S","c","S","c","S","c","S","c",
 203                         "S","S","S","S","S","S","S","S","S",
 204                         "S","S","S","S","S","^","S","S","S",
 205                 },
 206         },
 207         -- tiny
 208         {
 209                 style = "yrepeat",
 210                 layout = {
 211                         "S","S","S","S","S","S","S","S","v",
 212                         "S","S","S","S","S","S","S","S"," ",
 213                         "S","S","S","S","S","S","S","S"," ",
 214                         "S","S","S"," "," "," ","S","S"," ",
 215                         " "," "," "," ","<"," ","S","S"," ",
 216                         "S","S","S"," "," "," ","S","S"," ",
 217                         "S","S","S","S","S","S","S","S"," ",
 218                         "S","S","S","S","S","S","S","S"," ",
 219                         "S","S","S","S","S","S","S","S","^",
 220                 },
 221         },
 222         -- small
 223         {
 224                 style = "yrepeat",
 225                 layout = {
 226                         "S","S","S","S","S","S","S","S","S",
 227                         "S","S","S","S","S","S","S","S","S",
 228                         "S","S"," ","v"," ","v"," ","S","S",
 229                         "S","S",">"," "," "," ","<","S"," ",
 230                         " "," "," "," ","c"," "," ","S"," ",
 231                         "S","S",">"," "," "," ","<","S"," ",
 232                         "S","S"," ","^"," ","^"," ","S","S",
 233                         "S","S","S","S","S","S","S","S","S",
 234                         "S","S","S","S","S","S","S","S","S",
 235                 },
 236         },
 237         -- small 2
 238         {
 239                 style = "yrepeat",
 240                 layout = {
 241                         " "," "," "," "," "," "," "," "," ",
 242                         " ","S","S","S","S","S","S","S"," ",
 243                         " ","S"," "," ","v"," "," ","S"," ",
 244                         "S","S"," "," "," "," "," ","S"," ",
 245                         " "," "," "," "," "," ","<","S"," ",
 246                         "S","S"," "," "," "," "," ","S"," ",
 247                         " ","S"," "," ","^"," "," ","S"," ",
 248                         " ","S","S","S","S","S","S","S"," ",
 249                         " "," "," "," "," "," "," "," "," ",
 250                 },
 251         },
 252         -- big pillar
 253         {
 254                 style = "yrepeat",
 255                 layout = {
 256                         " "," "," "," "," "," "," "," "," ",
 257                         " "," "," "," "," "," "," "," "," ",
 258                         " "," "," "," ","^"," "," "," "," ",
 259                         " "," "," ","c","c","c"," "," "," ",
 260                         " "," ","<","c","S","c",">"," "," ",
 261                         " "," "," ","c","c","c"," "," "," ",
 262                         " "," "," "," ","v"," "," "," "," ",
 263                         " "," "," "," "," "," "," "," "," ",
 264                         " "," "," "," "," "," "," "," "," ",
 265                 },
 266                 --traps = true,
 267         },
 268         -- pacman
 269         {
 270                 style = "yrepeat",
 271                 layout = {
 272                         " "," "," "," "," "," "," "," "," ",
 273                         " "," "," "," "," "," "," "," "," ",
 274                         " "," "," ","c","c","c"," "," "," ",
 275                         " "," ","c","c","v","c","c"," "," ",
 276                         " "," ","c",">"," "," "," "," "," ",
 277                         " "," ","c","c","^","c","c"," "," ",
 278                         " "," "," ","c","c","c"," "," "," ",
 279                         " "," "," "," "," "," "," "," "," ",
 280                         " "," "," "," "," "," "," "," "," ",
 281                 },
 282         },
 283         -- the wall
 284         {
 285                 style = "yrepeat",
 286                 layout = {
 287                         "S","S","S","S","S","S","S"," ","<",
 288                         "c","c","c","c","c","c","S"," ","c",
 289                         "c"," "," "," "," "," ","c"," ","<",
 290                         "c"," "," "," "," "," ","c"," ","c",
 291                         " "," "," "," "," ","<","c"," ","<",
 292                         "c"," "," "," "," "," ","c"," ","c",
 293                         "c"," "," "," "," "," ","c"," ","<",
 294                         "c","c","c","c","c","c","c"," ","c",
 295                         "S","S","S","S","S","S","S"," ","<",
 296                 },
 297         },
 298         -- split
 299         {
 300                 style = "yrepeat",
 301                 layout = {
 302                         " "," "," "," "," "," "," "," "," ",
 303                         " "," "," "," "," "," "," "," "," ",
 304                         " "," "," "," "," "," "," "," "," ",
 305                         " "," "," ","^"," ","^"," "," "," ",
 306                         " "," "," ","c"," ","c"," "," "," ",
 307                         " "," "," ","v"," ","v"," "," "," ",
 308                         " "," "," "," "," "," "," "," "," ",
 309                         " "," "," "," "," "," "," "," "," ",
 310                         " "," "," "," "," "," "," "," "," ",
 311                 },
 312         },
 313         -- 4 small pillars
 314         {
 315                 style = "yrepeat",
 316                 layout = {
 317                         " "," "," "," "," "," "," "," "," ",
 318                         " "," "," "," ","^"," "," "," "," ",
 319                         " "," "," "," ","c"," "," "," "," ",
 320                         " "," "," "," "," "," "," "," "," ",
 321                         " ","<","c"," "," "," ","c",">"," ",
 322                         " "," "," "," "," "," "," "," "," ",
 323                         " "," "," "," ","c"," "," "," "," ",
 324                         " "," "," "," ","v"," "," "," "," ",
 325                         " "," "," "," "," "," "," "," "," ",
 326                 },
 327         },
 328         -- 6 pillars
 329         {
 330                 style = "yrepeat",
 331                 layout = {
 332                         " "," "," "," "," "," "," "," "," ",
 333                         " "," ","^"," ","^"," ","^"," "," ",
 334                         " "," ","c"," ","c"," ","c"," "," ",
 335                         " "," "," "," "," "," "," "," "," ",
 336                         " "," "," "," "," "," "," "," "," ",
 337                         " "," "," "," "," "," "," "," "," ",
 338                         " "," ","c"," ","c"," ","c"," "," ",
 339                         " "," ","v"," ","v"," ","v"," "," ",
 340                         " "," "," "," "," "," "," "," "," ",
 341                 },
 342                 traps = true,
 343         },
 344         -- stripes
 345         {
 346                 style = "yrepeat",
 347                 layout = {
 348                         " ","S","v","S","v","S","v","S","v",
 349                         " ","S"," ","S"," ","S"," ","S"," ",
 350                         " ","c"," ","c"," ","c"," ","c"," ",
 351                         " "," "," "," "," "," "," "," "," ",
 352                         " "," "," "," "," "," "," "," "," ",
 353                         " "," "," "," "," "," "," "," "," ",
 354                         " ","c"," ","c"," ","c"," ","c"," ",
 355                         " ","S"," ","S"," ","S"," ","S"," ",
 356                         " ","S","^","S","^","S","^","S","^",
 357                 },
 358         },
 359         -- inside
 360         {
 361                 style = "yrepeat",
 362                 layout = {
 363                         " "," "," "," "," "," "," "," "," ",
 364                         " ","c"," "," "," "," "," ","c"," ",
 365                         " "," "," "," "," "," "," "," "," ",
 366                         " "," "," ","c","S","c"," "," "," ",
 367                         " "," "," ","S",">"," "," "," "," ",
 368                         " "," "," ","c","S","c"," "," "," ",
 369                         " "," "," "," "," "," "," "," "," ",
 370                         " ","c"," "," "," "," "," ","c"," ",
 371                         " "," "," "," "," "," "," "," "," ",
 372                 },
 373         },
 374         -- 1 chest
 375         {
 376                 style = "yrepeat",
 377                 layout = {
 378                         " "," "," "," "," "," "," "," "," ",
 379                         " "," "," "," "," "," "," "," "," ",
 380                         " "," "," "," "," "," "," "," "," ",
 381                         " "," "," "," "," "," "," "," "," ",
 382                         " "," "," "," ","<"," "," "," "," ",
 383                         " "," "," "," "," "," "," "," "," ",
 384                         " "," "," "," "," "," "," "," "," ",
 385                         " "," "," "," "," "," "," "," "," ",
 386                         " "," "," "," "," "," "," "," "," ",
 387                 },
 388         },
 389         -- 2 chests
 390         {
 391                 style = "yrepeat",
 392                 layout = {
 393                         " "," "," "," "," "," "," "," "," ",
 394                         " "," "," "," "," "," "," "," ","<",
 395                         " "," "," "," "," "," "," "," "," ",
 396                         " "," "," "," "," "," "," "," "," ",
 397                         " "," "," "," "," "," "," "," "," ",
 398                         " "," "," "," "," "," "," "," "," ",
 399                         " "," "," "," "," "," "," "," "," ",
 400                         " "," "," "," "," "," "," "," ","<",
 401                         " "," "," "," "," "," "," "," "," ",
 402                 },
 403                 traps = true,
 404         },
 405         -- X
 406         {
 407                 style = "yrepeat",
 408                 layout = {
 409                         "c"," "," "," "," "," "," "," ","c",
 410                         "c","c",">"," "," "," ","<","c","c",
 411                         " ","c","c"," "," "," ","c","c"," ",
 412                         " "," ","c","c"," ","c","c"," "," ",
 413                         " "," "," "," "," "," "," "," "," ",
 414                         " "," ","c","c"," ","c","c"," "," ",
 415                         " ","c","c"," "," "," ","c","c"," ",
 416                         "c","c",">"," "," "," ","<","c","c",
 417                         "c"," "," "," "," "," "," "," ","c",
 418                 },
 419         },
 420         -- split 2
 421         {
 422                 style = "yrepeat",
 423                 layout = {
 424                         "S","S","S","S","S","S","S","S","S",
 425                         "S","S","S"," "," "," "," "," "," ",
 426                         "S","S","S"," "," "," "," "," "," ",
 427                         "S","S","S"," "," ","^","^","^","^",
 428                         " "," "," "," "," ","c","c","c","c",
 429                         "S","S","S"," "," ","v","v","v","v",
 430                         "S","S","S"," "," "," "," "," "," ",
 431                         "S","S","S"," "," "," "," "," "," ",
 432                         "S","S","S","S","S","S","S","S","S",
 433                 },
 434         },
 435         -- split 3
 436         {
 437                 style = "yrepeat",
 438                 layout = {
 439                         " "," "," "," "," "," "," "," "," ",
 440                         " "," "," "," "," "," "," "," "," ",
 441                         " "," "," "," "," "," "," "," "," ",
 442                         " ","^"," ","^"," ","^"," ","^"," ",
 443                         " ","c"," ","c"," ","c"," ","c"," ",
 444                         " ","v"," ","v"," ","v"," ","v"," ",
 445                         " "," "," "," "," "," "," "," "," ",
 446                         " "," "," "," "," "," "," "," "," ",
 447                         " "," "," "," "," "," "," "," "," ",
 448                 },
 449         },
 450         -- diamond 2
 451         {
 452                 style = "yrepeat",
 453                 layout = {
 454                         "S","S"," "," "," "," "," ","S","S",
 455                         "S"," "," "," ","c"," "," "," ","S",
 456                         " "," ","<","S","S","S",">"," "," ",
 457                         " "," ","S","S","S","S","S"," "," ",
 458                         " ","c","S","S","S","S","S","c"," ",
 459                         " "," ","S","S","S","S","S"," "," ",
 460                         " "," ","<","S","S","S",">"," "," ",
 461                         "S"," "," "," ","c"," "," "," ","S",
 462                         "S","S"," "," "," "," "," ","S","S",
 463                 },
 464         },
 465         -- ultra pillars
 466         {
 467                 style = "yrepeat",
 468                 layout = {
 469                         " "," "," "," "," "," "," "," "," ",
 470                         " ","c","^","c"," ","c","^","c"," ",
 471                         " ","c","c","c"," ","c","c","c"," ",
 472                         " ","c","c","c"," ","c","c","c"," ",
 473                         " "," "," "," "," "," "," "," "," ",
 474                         " ","c","c","c"," ","c","c","c"," ",
 475                         " ","c","c","c"," ","c","c","c"," ",
 476                         " ","c","v","c"," ","c","v","c"," ",
 477                         " "," "," "," "," "," "," "," "," ",
 478                 },
 479         },
 480         -- vstripes
 481         {
 482                 style = "yrepeat",
 483                 layout = {
 484                         "S"," "," "," "," "," "," "," "," ",
 485                         "S"," "," ","^"," "," ","^"," "," ",
 486                         "S"," "," ","c"," "," ","c"," "," ",
 487                         "S"," "," "," "," "," "," "," "," ",
 488                         " "," "," ","c"," "," ","c"," "," ",
 489                         "S"," "," "," "," "," "," "," "," ",
 490                         "S"," "," ","c"," "," ","c"," "," ",
 491                         "S"," "," ","v"," "," ","v"," "," ",
 492                         "S"," "," "," "," "," "," "," "," ",
 493                 },
 494         },
 495         -- sides
 496         {
 497                 style = "yrepeat",
 498                 layout = {
 499                         "c"," ","c"," ","c"," ","c"," ","c",
 500                         " "," ","v"," ","v"," ","v"," "," ",
 501                         "c"," "," "," "," "," "," "," ","c",
 502                         " "," "," "," "," "," "," "," "," ",
 503                         " "," "," "," "," "," "," "," ","c",
 504                         " "," "," "," "," "," "," "," "," ",
 505                         "c"," "," "," "," "," "," "," ","c",
 506                         " "," ","^"," ","^"," ","^"," "," ",
 507                         "c"," ","c"," ","c"," ","c"," ","c",
 508                 },
 509                 traps = true,
 510         },
 511         -- 9 pillars
 512         {
 513                 style = "yrepeat",
 514                 layout = {
 515                         " "," "," "," "," "," "," "," "," ",
 516                         " "," ","^"," ","^"," ","^"," "," ",
 517                         " "," ","c"," ","c"," ","c"," "," ",
 518                         " "," "," "," "," "," "," "," "," ",
 519                         " "," ","c"," ","c"," ","c"," "," ",
 520                         " "," "," "," "," "," "," "," "," ",
 521                         " "," ","c"," ","c"," ","c"," "," ",
 522                         " "," ","v"," ","v"," ","v"," "," ",
 523                         " "," "," "," "," "," "," "," "," ",
 524                 },
 525                 --traps = true,
 526         },
 527         -- Ankh statue
 528         {
 529                 style = "stacked",
 530                 layout = { {
 531                         " "," "," "," "," "," "," "," "," ",
 532                         " "," "," "," "," "," "," "," "," ",
 533                         " "," "," "," "," "," "," "," "," ",
 534                         " "," "," "," "," "," "," "," "," ",
 535                         " "," "," "," ","s",">"," "," "," ",
 536                         " "," "," "," "," "," "," "," "," ",
 537                         " "," "," "," "," "," "," "," "," ",
 538                         " "," "," "," "," "," "," "," "," ",
 539                         " "," "," "," "," "," "," "," "," ",
 540                 },{
 541                         " "," "," "," "," "," "," "," "," ",
 542                         " "," "," "," "," "," "," "," "," ",
 543                         " "," "," "," "," "," "," "," "," ",
 544                         " "," "," "," ","s"," "," "," "," ",
 545                         " "," "," "," ","s"," "," "," "," ",
 546                         " "," "," "," ","s"," "," "," "," ",
 547                         " "," "," "," "," "," "," "," "," ",
 548                         " "," "," "," "," "," "," "," "," ",
 549                         " "," "," "," "," "," "," "," "," ",
 550                 },{
 551                         " "," "," "," "," "," "," "," "," ",
 552                         " "," "," "," "," "," "," "," "," ",
 553                         " "," "," "," "," "," "," "," "," ",
 554                         " "," "," "," "," "," "," "," "," ",
 555                         " "," "," "," ","s"," "," "," "," ",
 556                         " "," "," "," "," "," "," "," "," ",
 557                         " "," "," "," "," "," "," "," "," ",
 558                         " "," "," "," "," "," "," "," "," ",
 559                         " "," "," "," "," "," "," "," "," ",
 560                 },{
 561                         " "," "," "," "," "," "," "," "," ",
 562                         " "," "," "," "," "," "," "," "," ",
 563                         " "," "," "," "," "," "," "," "," ",
 564                         " "," "," "," ","s"," "," "," "," ",
 565                         " "," "," "," "," "," "," "," "," ",
 566                         " "," "," "," ","s"," "," "," "," ",
 567                         " "," "," "," "," "," "," "," "," ",
 568                         " "," "," "," "," "," "," "," "," ",
 569                         " "," "," "," "," "," "," "," "," ",
 570                 },{
 571                         " "," "," "," "," "," "," "," "," ",
 572                         " "," "," "," "," "," "," "," "," ",
 573                         " "," "," "," "," "," "," "," "," ",
 574                         " "," "," "," "," "," "," "," "," ",
 575                         " "," "," "," ","s"," "," "," "," ",
 576                         " "," "," "," "," "," "," "," "," ",
 577                         " "," "," "," "," "," "," "," "," ",
 578                         " "," "," "," "," "," "," "," "," ",
 579                         " "," "," "," "," "," "," "," "," ",
 580                 }},
 581                 stype = "desert_sandstone",
 582                 wall = {
 583                         "S","S","S","S","S","S","S","S","S",
 584                         "s","1","s","1","s","1","s","1","s",
 585                         "S","S","S","S","S","S","S","S","S",
 586                         "1","s","1","s","1","s","1","s","1",
 587                         "S","S","S","S","S","S","S","S","S",
 588                 },
 589         },
 590 --[[
 591         -- Cactus room 1
 592         {
 593                 style = "stacked",
 594                 layout_offset = -1,
 595                 layout_height = 5,
 596                 layout = {{
 597                         "s","s","s","s","s","s","s","s","s",
 598                         "s","a","a","a","a","a","a","a","s",
 599                         "s","a","a","a","a","a","a","a","s",
 600                         "s","a","a","a","a","a","a","a","s",
 601                         "s","a","a","a","a","a","a","a","s",
 602                         "s","a","a","a","a","a","a","a","s",
 603                         "s","a","a","a","a","a","a","a","s",
 604                         "s","a","a","a","a","a","a","a","s",
 605                         "s","s","s","s","s","s","s","s","s",
 606                 },{
 607                         " "," "," "," "," "," "," "," ","<",
 608                         " ","C"," ","C"," ","C"," ","C"," ",
 609                         " "," "," "," "," "," "," "," "," ",
 610                         " ","C"," ","C"," ","C"," ","C"," ",
 611                         " "," "," "," "," "," "," "," "," ",
 612                         " ","C"," ","C"," ","C"," ","C"," ",
 613                         " "," "," "," "," "," "," "," "," ",
 614                         " ","C"," ","C"," ","C"," ","C"," ",
 615                         " "," "," "," "," "," "," "," ","<",
 616
 617                 }},
 618                 wall = {
 619                         "S","S","S","S","S","S","S","S","S",
 620                         "S","S","S","S","S","S","S","S","S",
 621                         "s","3","s","3","s","3","s","3","s",
 622                         "S","S","S","S","S","S","S","S","S",
 623                         "S","S","S","S","S","S","S","S","S",
 624                 },
 625                 stype = "desert_sandstone",
 626         },
 627 ]]
 628         -- Cactus room 2
 629         {
 630                 style = "stacked",
 631                 layout_offset = -1,
 632                 layout_height = 5,
 633                 layout = {{
 634                         "S","S","S","S","S","S","S","S","S",
 635                         "S","s","s","s","s","s","s","s","S",
 636                         "S","s","a","a","a","a","a","s","S",
 637                         "S","s","a","a","a","a","a","s","S",
 638                         "S","s","a","a","a","a","a","s","S",
 639                         "S","s","a","a","a","a","a","s","S",
 640                         "S","s","a","a","a","a","a","s","S",
 641                         "S","s","s","s","s","s","s","s","S",
 642                         "S","S","S","S","S","S","S","S","S",
 643                 },{
 644                         " "," "," "," "," "," "," "," ","<",
 645                         " "," "," "," "," "," "," "," "," ",
 646                         " "," ","C"," ","C"," ","C"," "," ",
 647                         " "," "," "," "," "," "," "," "," ",
 648                         " "," ","C"," ","C"," ","C"," "," ",
 649                         " "," "," "," "," "," "," "," "," ",
 650                         " "," ","C"," ","C"," ","C"," "," ",
 651                         " "," "," "," "," "," "," "," "," ",
 652                         " "," "," "," "," "," "," "," ","<",
 653
 654                 }},
 655                 wall = {
 656                         "S","S","S","S","S","S","S","S","S",
 657                         "S","S","S","S","S","S","S","S","S",
 658                         "s","3","s","3","s","3","s","3","s",
 659                         "S","S","S","S","S","S","S","S","S",
 660                         "S","S","S","S","S","S","S","S","S",
 661                 },
 662                 stype = "desert_sandstone",
 663         },
 664         -- Sun room
 665         {
 666                 style = "stacked",
 667                 layout_offset = 0,
 668                 layout_height = 8,
 669                 layout = {{
 670                         "n","s","s","s","s","s","s","s","n",
 671                         "s","n","s","s","s","s","s","n","s",
 672                         "s","s","n","n","n","n","n","s","s",
 673                         "s","s","n","s","s","s","n","s","s",
 674                         "s","s","n","s","s","s","n","s","s",
 675                         "s","s","n","s","s","s","n","s","s",
 676                         "s","s","n","n","n","n","n","s","s",
 677                         "s","n","s","s","s","s","s","n","s",
 678                         "n","s","s","s","s","s","s","s","n",
 679                 },{
 680                         " "," "," "," "," "," "," "," "," ",
 681                         " "," "," "," "," "," "," "," "," ",
 682                         " "," "," "," "," "," "," "," "," ",
 683                         " "," "," "," "," "," "," "," "," ",
 684                         " "," "," "," ","<"," "," "," "," ",
 685                         " "," "," "," "," "," "," "," "," ",
 686                         " "," "," "," "," "," "," "," "," ",
 687                         " "," "," "," "," "," "," "," "," ",
 688                         " "," "," "," "," "," "," "," "," ",
 689                 },{
 690                         "n","s","s","s","s","s","s","s","n",
 691                         "s","n","s","s","s","s","s","n","s",
 692                         "s","s","n","n","n","n","n","s","s",
 693                         "s","s","n","s","s","s","n","s","s",
 694                         "s","s","n","s","s","s","n","s","s",
 695                         "s","s","n","s","s","s","n","s","s",
 696                         "s","s","n","n","n","n","n","s","s",
 697                         "s","n","s","s","s","s","s","n","s",
 698                         "n","s","s","s","s","s","s","s","n",
 699                 }},
 700                 wall = {
 701                         "S","S","S","S","S","S","S","S","S",
 702                         "s","3","s","3","s","3","s","3","s",
 703                         "S","S","S","S","S","S","S","S","S",
 704                         "3","s","3","s","3","s","3","s","3",
 705                         "S","S","S","S","S","S","S","S","S",
 706                 },
 707                 stype = "sandstone",
 708                 open_roof = true,
 709         },
 710         -- Attic
 711         {
 712                 style = "stacked",
 713                 layout_height = 6,
 714                 layout_offset = 1,
 715                 layout = { {
 716                         " "," "," "," "," "," "," "," "," ",
 717                         " ","S","S","S"," ","S","S","S"," ",
 718                         " ","S"," "," "," "," "," ","S"," ",
 719                         " ","S"," "," "," "," "," ","S"," ",
 720                         " "," "," "," ","c",">"," "," "," ",
 721                         " ","S"," "," "," "," "," ","S"," ",
 722                         " ","S"," "," "," "," "," ","S"," ",
 723                         " ","S","S","S"," ","S","S","S"," ",
 724                         " "," "," "," "," "," "," "," "," ",
 725                 },{
 726                         " "," "," "," "," "," "," "," "," ",
 727                         " ","S","S","S"," ","S","S","S"," ",
 728                         " ","S"," "," "," "," "," ","S"," ",
 729                         " ","S"," "," "," "," "," ","S"," ",
 730                         " "," "," "," ","c"," "," "," "," ",
 731                         " ","S"," "," "," "," "," ","S"," ",
 732                         " ","S"," "," "," "," "," ","S"," ",
 733                         " ","S","S","S"," ","S","S","S"," ",
 734                         " "," "," "," "," "," "," "," "," ",
 735                 },{
 736                         " "," "," "," "," "," "," "," "," ",
 737                         " ","S","S","S"," ","S","S","S"," ",
 738                         " ","S"," "," "," "," "," ","S"," ",
 739                         " ","S"," "," "," "," "," ","S"," ",
 740                         " "," "," "," ","c"," "," "," "," ",
 741                         " ","S"," "," "," "," "," ","S"," ",
 742                         " ","S"," "," "," "," "," ","S"," ",
 743                         " ","S","S","S"," ","S","S","S"," ",
 744                         " "," "," "," "," "," "," "," "," ",
 745                 },{
 746                         "s","s","s","s","s","s","s","s","s",
 747                         "s","S","S","S","S","S","S","S","s",
 748                         "s","S","s","s","s","s","s","S","s",
 749                         "s","S","s","s","s","s","s","S","s",
 750                         "s","S","s","s","s","s","s","S","s",
 751                         "s","S","s","s","s","s","s","S","s",
 752                         "s","S","s","s","s","s","s","S","s",
 753                         "s","S","S","S","S","S","S","S","c",
 754                         "s","s","s","s","s","s","s","s","s",
 755                 },{
 756                         "S","S","S","S","S","S","S","S","S",
 757                         "S","S","S","S","v","S","S","S","S",
 758                         "S","S"," "," "," "," "," ","S","S",
 759                         "S","S"," "," "," "," "," ","S","S",
 760                         "S",">"," "," "," "," "," ","<","S",
 761                         "S","S"," "," "," "," "," ","S","S",
 762                         "S","S"," "," "," "," "," ","S","S",
 763                         "S","S","S","S","^","S","S","S","S",
 764                         "S","S","S","S","S","S","S","S","S",
 765                 },{
 766                         "S","S","S","S","S","S","S","S","S",
 767                         "S","S","S","S","S","S","S","S","S",
 768                         "S","S"," "," "," "," "," ","S","S",
 769                         "S","S"," "," "," "," "," ","S","S",
 770                         "S","S"," "," "," "," "," ","S","S",
 771                         "S","S"," "," "," "," "," ","S","S",
 772                         "S","S"," "," "," "," "," ","S","S",
 773                         "S","S","S","S","S","S","S","S","S",
 774                         "S","S","S","S","S","S","S","S","S",
 775                 }},
 776         },
 777 }
 778
 779 local layout_traps
 780 local layout_traps_template = {
 781         "S","S","S","S","S","S","S","S","S",
 782         "?","?","?","?","?","?","?","?","S",
 783         "?","?","?","?","?","?","?","?","S",
 784         "?","?","?","?","?","?","?","?","S",
 785         "?","?","?","?","?","?","?","?","S", -- << entrance on left side
 786         "?","?","?","?","?","?","?","?","S",
 787         "?","?","?","?","?","?","?","?","S",
 788         "?","?","?","?","?","?","?","?","S",
 789         "S","S","S","S","S","S","S","S","S"
 790 }
 791
 792 local code_sandstone = {
 793         [" "] = "air",
 794         ["c"] = "default:sandstone",
 795         ["s"] = "default:sandstone",
 796         ["n"] = "default:desert_sandstone",
 797         ["h"] = "default:sandstone",
 798         ["S"] = "default:sandstonebrick",
 799         ["1"] = "tsm_pyramids:deco_stone1",
 800         ["2"] = "tsm_pyramids:deco_stone2",
 801         ["3"] = "tsm_pyramids:deco_stone3",
 802         ["^"] = "default:chest",
 803         ["<"] = "default:chest",
 804         [">"] = "default:chest",
 805         ["v"] = "default:chest",
 806         ["~"] = "default:lava_source",
 807         ["t"] = "tsm_pyramids:trap",
 808         ["C"] = "default:large_cactus_seedling",
 809         ["a"] = "default:sand",
 810 }
 811 local code_desert_sandstone = table.copy(code_sandstone)
 812 code_desert_sandstone["c"] = "default:desert_sandstone"
 813 code_desert_sandstone["s"] = "default:desert_sandstone"
 814 code_desert_sandstone["n"] = "default:sandstone"
 815 code_desert_sandstone["h"] = "default:desert_sandstone"
 816 code_desert_sandstone["1"] = "tsm_pyramids:deco_stone4"
 817 code_desert_sandstone["2"] = "tsm_pyramids:deco_stone5"
 818 code_desert_sandstone["3"] = "tsm_pyramids:deco_stone6"
 819 code_desert_sandstone["S"] = "default:desert_sandstone_brick"
 820 code_desert_sandstone["t"] = "tsm_pyramids:desert_trap"
 821 code_desert_sandstone["a"] = "default:desert_sand"
 822
 823 local code_desert_stone = table.copy(code_sandstone)
 824 code_desert_stone["c"] = "default:desert_stone_block"
 825 code_desert_stone["s"] = "default:desert_stone_block"
 826 code_desert_stone["n"] = "default:desert_stone_block"
 827 code_desert_stone["h"] = "default:desert_stone_block"
 828 code_desert_stone["1"] = "default:desert_stone_block"
 829 code_desert_stone["2"] = "default:desert_stone_block"
 830 code_desert_stone["3"] = "default:desert_stone_block"
 831 code_desert_stone["S"] = "default:desert_stonebrick"
 832 code_desert_stone["t"] = "air"
 833 code_desert_stone["a"] = "default:desert_sand"
 834
 835 local function replace(str, iy, code_table, deco, column_style)
 836         if iy < 4 and (str == "<" or str == ">" or str == "^" or str == "v") then str = " " end
 837         if str == "h" then
 838                 local r = math.random(0,3)
 839                 if r > 0 then
 840                         str = deco[r]
 841                 else
 842                         str = "c"
 843                 end
 844         elseif column_style == 1 or column_style == 2 then
 845                 if iy == 0 and str == "c" then str = deco[1] end
 846                 if iy == 3 and str == "c" then str = deco[2] end
 847         elseif column_style == 3 then
 848                 if iy == 0 and str == "c" then str = deco[1] end
 849                 if iy == 2 and str == "c" then str = deco[2] end
 850         elseif column_style == 4 then
 851                 if iy == 2 and str == "c" then str = deco[1] end
 852         end
 853         return code_table[str]
 854 end
 855
 856 local function replace2(str, iy, depth, code_table)
 857         if iy == depth then
 858                 -- Sandstone at the bottom-most layer
 859                 str = "s"
 860         elseif iy == depth-1 then
 861                 -- Brick at the layer above
 862                 str = "S"
 863         elseif iy == 0 and str == "~" then
 864                 -- Trap stones at the top layer
 865                 str = "t"
 866         elseif iy < depth-3 and str == "~" then
 867                 -- Air below the trap stones
 868                 str = " "
 869         end
 870         -- Everything else is untouched (will stay pyramid material)
 871
 872         return code_table[str]
 873 end
 874
 875 local function get_flat_index(x, y, width)
 876         return 1 + x + y * width
 877 end
 878
 879 local function rotate_layout_single(layout, width)
 880         local size = width*width
 881         local new_layout = {}
 882         for x=0, width-1 do
 883                 for y=0, width-1 do
 884                         local symbol = layout[get_flat_index((width-1) - y, x, width)]
 885                         -- Rotate chest
 886                         if symbol == "^" then
 887                                 symbol = "<"
 888                         elseif symbol == "<" then
 889                                 symbol = "v"
 890                         elseif symbol == "v" then
 891                                 symbol = ">"
 892                         elseif symbol == ">" then
 893                                 symbol = "^"
 894                         end
 895                         new_layout[get_flat_index(x, y, width)] = symbol
 896                 end
 897         end
 898         return new_layout
 899 end
 900
 901 local function rotate_layout(layout, width, rotations)
 902         local new_layout = table.copy(layout)
 903         for r=1, rotations do
 904                 new_layout = rotate_layout_single(new_layout, width)
 905         end
 906         return new_layout
 907 end
 908
 909 -- pos: Position to spawn pyramid
 910 -- stype: Sand type ("sandstone" or "desert")
 911 -- room_id: Room layout identified (see list of rooms above)
 912 -- rotations: Number of times to rotate the room (0-3)
 913 function tsm_pyramids.make_room(pos, stype, room_id, rotations)
 914         local code_table = code_sandstone
 915         if stype == "desert_sandstone" then
 916                 code_table = code_desert_sandstone
 917         elseif stype == "desert_stone" then
 918                 code_table = code_desert_stone
 919         end
 920         -- Select random deco block
 921         local deco_ids = {"1", "2", "3"}
 922         local deco = {}
 923         for i=1, 3 do
 924                 local r = math.random(1, #deco_ids)
 925                 table.insert(deco, deco_ids[r])
 926                 table.remove(deco_ids, r)
 927         end
 928         local hole = {x=pos.x+7,y=pos.y+5, z=pos.z+7}
 929         if room_id == nil then
 930                 room_id = math.random(1, #room_types)
 931         end
 932         local room
 933         if room_id < 1 or room_id > #room_types then
 934                 return false, S("Incorrect room type ID: @1", room_id)
 935         end
 936         local room = table.copy(room_types[room_id])
 937         local tries = 0
 938         while tries < #room_types do
 939                 if room.stype and room.stype ~= stype then
 940                         room_id = room_id + 1
 941                         if room_id > #room_types then
 942                                 room_id = 1
 943                         end
 944                         room = table.copy(room_types[room_id])
 945                 else
 946                         break
 947                 end
 948                 tries = tries + 1
 949         end
 950         local chests = {}
 951         local column_style
 952         if stype == "desert_stone" then
 953                 column_style = 0
 954         else
 955                 column_style = math.random(0,4)
 956         end
 957         -- Custom room walls
 958         if room.wall then
 959                 for iy=0,4,1 do
 960                         for ie=0,8,1 do
 961                                 local nn = code_table[room.wall[iy*9+ie+1]]
 962                                 minetest.set_node({x=hole.x+ie, y=hole.y-iy, z=hole.z-1}, {name=nn})
 963                                 minetest.set_node({x=hole.x-1, y=hole.y-iy, z=hole.z+ie}, {name=nn})
 964
 965                                 minetest.set_node({x=hole.x+ie, y=hole.y-iy, z=hole.z+9}, {name=nn})
 966                                 minetest.set_node({x=hole.x+9, y=hole.y-iy, z=hole.z+ie}, {name=nn})
 967                         end
 968                 end
 969         end
 970         local layout
 971         -- Place the room nodes
 972         if room.style == "yrepeat" then
 973                 layout = rotate_layout(room.layout, ROOM_WIDTH, rotations)
 974                 for iy=0,4,1 do
 975                         for ix=0,8,1 do
 976                                 for iz=0,8,1 do
 977                                         local n_str = layout[ix*9+iz+1]
 978                                         local p2 = 0
 979                                         if n_str == "<" then
 980                                                 p2 = 0
 981                                         elseif n_str == ">" then
 982                                                 p2 = 2
 983                                         elseif n_str == "^" then
 984                                                 p2 = 1
 985                                         elseif n_str == "v" then
 986                                                 p2 = 3
 987                                         end
 988                                         local cpos = {x=hole.x+ix,y=hole.y-iy,z=hole.z+iz}
 989                                         local nn = replace(n_str, iy, code_table, deco, column_style)
 990                                         minetest.set_node(cpos, {name=nn, param2=p2})
 991                                         if nn == "default:chest" then
 992                                                 table.insert(chests, cpos)
 993                                         end
 994                                 end
 995                         end
 996                 end
 997         elseif room.style == "stacked" then
 998                 local layout_list = room.layout
 999                 local layout
1000                 local layout_offset = room.layout_offset
1001                 local layout_height = room.layout_height
1002                 if not layout_offset then
1003                         layout_offset = 0
1004                 end
1005                 if not layout_height then
1006                         layout_height = 5
1007                 end
1008                 for iy=0,layout_height-1,1 do
1009                         layout = nil
1010                         if layout_list[layout_height-iy] then
1011                                 layout = rotate_layout(layout_list[layout_height-iy], ROOM_WIDTH, rotations)
1012                         end
1013                         for ix=0,8,1 do
1014                                 for iz=0,8,1 do
1015                                         local n_str
1016                                         if layout then
1017                                                 n_str = layout[ix*9+iz+1]
1018                                         else
1019                                                 n_str = " "
1020                                         end
1021                                         local p2 = 0
1022                                         if n_str == "<" then
1023                                                 p2 = 0
1024                                         elseif n_str == ">" then
1025                                                 p2 = 2
1026                                         elseif n_str == "^" then
1027                                                 p2 = 1
1028                                         elseif n_str == "v" then
1029                                                 p2 = 3
1030                                         end
1031                                         local cpos = {x=hole.x+ix,y=hole.y-iy+layout_offset,z=hole.z+iz}
1032                                         local nn = code_table[n_str]
1033                                         minetest.set_node(cpos, {name=nn, param2=p2})
1034                                         if nn == "default:chest" then
1035                                                 table.insert(chests, cpos)
1036                                         end
1037                                 end
1038                         end
1039                 end
1040         else
1041                 minetest.log("error", "Invalid pyramid room style! room type ID="..r)
1042         end
1043         local sanded = room.flood_sand ~= false and stype ~= "desert_stone" and math.random(1,8) == 1
1044         if #chests > 0 then
1045                 -- Make at least 8 attempts to fill chests
1046                 local filled = 0
1047                 while filled < 8 do
1048                         for c=1, #chests do
1049                                 tsm_pyramids.fill_chest(chests[c], stype, sanded)
1050                                 filled = filled + 1
1051                         end
1052                 end
1053         end
1054         if room.traps then
1055                 tsm_pyramids.make_traps(pos, stype, rotations, layout)
1056         end
1057         if sanded then
1058                 tsm_pyramids.flood_sand(pos, stype)
1059         end
1060         return true, nil, sanded
1061 end
1062
1063 local shuffle_traps = function(chance, layout_room)
1064         layout_traps = table.copy(layout_traps_template)
1065         for a=1, #layout_traps do
1066                 -- Delete trap if this space of the room is occupied
1067                 if layout_room[a] ~= " " then
1068                         layout_traps[a] = "S"
1069                 -- Randomly turn tile into a trap, or not
1070                 elseif layout_traps[a] == "?" then
1071                         -- percentage for a trap
1072                         if math.random(1,100) <= chance then
1073                                 layout_traps[a] = "~"
1074                         else
1075                                 layout_traps[a] = "S"
1076                         end
1077                 end
1078         end
1079 end
1080
1081 function tsm_pyramids.make_traps(pos, stype, rotations, layout_room)
1082         local code_table = code_sandstone
1083         if stype == "desert_sandstone" then
1084                 code_table = code_desert_sandstone
1085         elseif stype == "desert_stone" then
1086                 code_table = code_desert_stone
1087         end
1088         shuffle_traps(math.random(10,100), layout_room)
1089         local hole = {x=pos.x+7,y=pos.y, z=pos.z+7}
1090         local layout = rotate_layout(layout_traps, ROOM_WIDTH, rotations)
1091         -- Depth is total depth of trap area:
1092         -- * top layer with trap stones
1093         -- * followed by air layers
1094         -- * followed by 2 layer of lava
1095         -- * and 2 layers of sandstone/brick at the bottom (to prevent lava escaping)
1096         -- The depth of air between trap stones and lava layer is <depth> - 4
1097         local depth = 7
1098         local wmin, wmax = -1,9
1099         for iy=0,depth,1 do
1100                 for ix=wmin,wmax,1 do
1101                         for iz=wmin,wmax,1 do
1102                                 local n_str
1103                                 if ix == wmin or ix == wmax or iz == wmin or iz == wmax then
1104                                         -- Walls around room
1105                                         if iy == depth then
1106                                                 n_str = code_table["s"]
1107                                         else
1108                                                 n_str = code_table["S"]
1109                                         end
1110                                         minetest.set_node({x=hole.x+ix,y=hole.y-iy,z=hole.z+iz}, {name=n_str})
1111                                 else
1112                                         -- Walls below room
1113                                         n_str = layout[ix*9+iz+1]
1114                                         minetest.set_node({x=hole.x+ix,y=hole.y-iy,z=hole.z+iz}, {name=replace2(n_str, iy, depth, code_table)})
1115                                 end
1116                         end
1117                 end
1118         end
1119 end
1120
1121 function tsm_pyramids.flood_sand(pos, stype)
1122         local set_to_sand = {}
1123         local nn = "default:sand"
1124         if stype == "desert_sandstone" or stype == "desert_stone" then
1125                 nn = "default:desert_sand"
1126         end
1127         local hole = {x=pos.x+7,y=pos.y+1, z=pos.z+7}
1128         local maxh = math.random(1,4)
1129         local chance = math.random(1,7)
1130         for ix=0,8,1 do
1131                 for iz=0,8,1 do
1132                         if math.random(1,chance) == 1 then
1133                                 local h = math.random(1,maxh)
1134                                 for iy=0,h,1 do
1135                                         local p = {x=hole.x+ix,y=hole.y+iy,z=hole.z+iz}
1136                                         if minetest.get_node(p).name == "air" then
1137                                                 table.insert(set_to_sand, p)
1138                                         end
1139                                 end
1140                         end
1141                 end
1142         end
1143         minetest.bulk_set_node(set_to_sand, {name=nn})
1144 end
1145