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                         " ","s"," ","s"," ","s"," ","s"," ",
  15                         " "," "," "," "," "," "," "," "," ",
  16                         " "," "," "," "," "," "," "," "," ",
  17                         " "," "," "," "," "," "," "," "," ",
  18                         " ","s"," ","s"," ","s"," ","s"," ",
  19                         " ","v"," ","v"," ","v"," ","v"," ",
  20                         " "," "," "," "," "," "," "," "," "
  21                 },
  22                 traps = true,
  23         },
  24         -- Hieroglyph walls
  25         {
  26                 style = "yrepeat",
  27                 layout = {
  28                         "s","s","s","s","s","s","s","s","s",
  29                         "s"," "," "," "," "," "," "," ","s",
  30                         "s"," "," "," "," "," "," "," ","s",
  31                         "s"," "," "," "," "," "," "," ","s",
  32                         " "," "," "," ","<"," "," "," ","s",
  33                         "s"," "," "," "," "," "," "," ","s",
  34                         "s"," "," "," "," "," "," "," ","s",
  35                         "s"," "," "," "," "," "," "," ","s",
  36                         "s","s","s","s","s","s","s","s","s"
  37                 },
  38         },
  39         -- 4 large pillars
  40         {
  41                 style = "yrepeat",
  42                 layout = {
  43                         " "," "," "," ","v"," "," "," "," ",
  44                         " ","s","s"," "," "," ","s","s"," ",
  45                         " ","s","s"," "," "," ","s","s"," ",
  46                         " "," "," "," "," "," "," "," "," ",
  47                         " "," "," "," "," "," "," "," ","<",
  48                         " "," "," "," "," "," "," "," "," ",
  49                         " ","s","s"," "," "," ","s","s"," ",
  50                         " ","s","s"," "," "," ","s","s"," ",
  51                         " "," "," "," ","^"," "," "," "," "
  52                 },
  53         },
  54         -- hidden room
  55         {
  56                 style = "yrepeat",
  57                 layout = {
  58                         " "," "," "," "," "," "," "," "," ",
  59                         " "," "," "," "," "," "," "," "," ",
  60                         " "," ","s","S","s","S","s"," "," ",
  61                         " "," ","S"," "," "," ","S"," "," ",
  62                         " "," ","s"," ",">"," ","s"," ","<",
  63                         " "," ","S"," "," "," ","S"," "," ",
  64                         " "," ","s","S","s","S","s"," "," ",
  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"," ","s","s","s"," ","S"," ",
  77                         " ","S"," ","s","v","s"," ","S"," ",
  78                         "S","S"," ","s"," ","s"," ","S"," ",
  79                         "S","S"," ","s"," "," "," ","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                         " "," "," ","s"," "," "," ","S"," ",
  91                         "S","S"," ","s"," ","s"," ","S"," ",
  92                         " ","S"," ","s","^","s"," ","S"," ",
  93                         " ","S"," ","s","s","s"," ","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                         " ","s"," ","s"," ","s"," ","s"," ",
 105                         " "," "," "," "," "," "," "," "," ",
 106                         " ","s"," ","s"," ","s"," ","s"," ",
 107                         " "," "," "," "," "," "," "," "," ",
 108                         " ","s"," ","s"," ","s"," ","s"," ",
 109                         " "," "," "," "," "," "," "," "," ",
 110                         " ","s"," ","s"," ","s"," ","s"," ",
 111                         " "," ","^"," ","^"," ","^"," ","^",
 112                 },
 113                 --traps = true,
 114         },
 115         -- plusses
 116         {
 117                 style = "yrepeat",
 118                 layout = {
 119                         "s"," "," "," "," "," "," "," ","s",
 120                         " "," ","s",">"," ","<","s"," "," ",
 121                         " ","s","s","s"," ","s","s","s"," ",
 122                         " "," ","s"," "," "," ","s"," "," ",
 123                         " "," "," "," ","<"," "," "," "," ",
 124                         " "," ","s"," "," "," ","s"," "," ",
 125                         " ","s","s","s"," ","s","s","s"," ",
 126                         " "," ","s",">"," ","<","s"," "," ",
 127                         "s"," "," "," "," "," "," "," ","s",
 128                 },
 129                 --traps = true,
 130         },
 131         -- diamond
 132         {
 133                 style = "yrepeat",
 134                 layout = {
 135                         ">","s","s","s","s","s","s","s","s",
 136                         "s","s","s"," "," "," ","s","s","s",
 137                         "s","s"," "," "," "," "," ","s","s",
 138                         "s"," "," "," "," "," "," "," ","s",
 139                         " "," "," "," "," "," "," ","<","s",
 140                         "s"," "," "," "," "," "," "," ","s",
 141                         "s","s"," "," "," "," "," ","s","s",
 142                         "s","s","s"," "," "," ","s","s","s",
 143                         ">","s","s","s","s","s","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","s",">"," "," "," ",
 183                         "S","s","S","s","S","s","S"," "," ",
 184                         " "," "," "," "," "," "," "," "," ",
 185                         " "," "," "," "," "," "," "," "," ",
 186                         " "," "," "," "," "," "," "," "," ",
 187                         "S","s","S","s","S","s","S"," "," ",
 188                         "S","S","S","S","s",">"," "," "," ",
 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                         "s","S","s","S","s","S","s","S","s",
 199                         " "," "," "," "," "," "," "," "," ",
 200                         " "," "," "," "," "," "," "," ","<",
 201                         " "," "," "," "," "," "," "," "," ",
 202                         "s","S","s","S","s","S","s","S","s",
 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                         " "," "," "," ","s"," "," ","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                         " "," "," ","s","s","s"," "," "," ",
 260                         " "," ","<","s","S","s",">"," "," ",
 261                         " "," "," ","s","s","s"," "," "," ",
 262                         " "," "," "," ","v"," "," "," "," ",
 263                         " "," "," "," "," "," "," "," "," ",
 264                         " "," "," "," "," "," "," "," "," ",
 265                 },
 266                 --traps = true,
 267         },
 268         -- pacman
 269         {
 270                 style = "yrepeat",
 271                 layout = {
 272                         " "," "," "," "," "," "," "," "," ",
 273                         " "," "," "," "," "," "," "," "," ",
 274                         " "," "," ","s","s","s"," "," "," ",
 275                         " "," ","s","s","v","s","s"," "," ",
 276                         " "," ","s",">"," "," "," "," "," ",
 277                         " "," ","s","s","^","s","s"," "," ",
 278                         " "," "," ","s","s","s"," "," "," ",
 279                         " "," "," "," "," "," "," "," "," ",
 280                         " "," "," "," "," "," "," "," "," ",
 281                 },
 282         },
 283         -- the wall
 284         {
 285                 style = "yrepeat",
 286                 layout = {
 287                         "S","S","S","S","S","S","S"," ","<",
 288                         "s","s","s","s","s","S","S"," ","s",
 289                         "s"," "," "," "," ","s","S"," ","<",
 290                         "s"," "," "," "," ","s","S"," ","s",
 291                         " "," "," "," ","<","s","S"," ","<",
 292                         "s"," "," "," "," ","s","S"," ","s",
 293                         "s"," "," "," "," ","s","S"," ","<",
 294                         "s","s","s","s","s","s","S"," ","s",
 295                         "S","S","S","S","S","S","S"," ","<",
 296                 },
 297         },
 298         -- split
 299         {
 300                 style = "yrepeat",
 301                 layout = {
 302                         " "," "," "," "," "," "," "," "," ",
 303                         " "," "," "," "," "," "," "," "," ",
 304                         " "," "," "," "," "," "," "," "," ",
 305                         " "," "," ","^"," ","^"," "," "," ",
 306                         " "," "," ","s"," ","s"," "," "," ",
 307                         " "," "," ","v"," ","v"," "," "," ",
 308                         " "," "," "," "," "," "," "," "," ",
 309                         " "," "," "," "," "," "," "," "," ",
 310                         " "," "," "," "," "," "," "," "," ",
 311                 },
 312         },
 313         -- 4 small pillars
 314         {
 315                 style = "yrepeat",
 316                 layout = {
 317                         " "," "," "," "," "," "," "," "," ",
 318                         " "," "," "," ","^"," "," "," "," ",
 319                         " "," "," "," ","s"," "," "," "," ",
 320                         " "," "," "," "," "," "," "," "," ",
 321                         " ","<","s"," "," "," ","s",">"," ",
 322                         " "," "," "," "," "," "," "," "," ",
 323                         " "," "," "," ","s"," "," "," "," ",
 324                         " "," "," "," ","v"," "," "," "," ",
 325                         " "," "," "," "," "," "," "," "," ",
 326                 },
 327         },
 328         -- 6 pillars
 329         {
 330                 style = "yrepeat",
 331                 layout = {
 332                         " "," "," "," "," "," "," "," "," ",
 333                         " "," ","^"," ","^"," ","^"," "," ",
 334                         " "," ","s"," ","s"," ","s"," "," ",
 335                         " "," "," "," "," "," "," "," "," ",
 336                         " "," "," "," "," "," "," "," "," ",
 337                         " "," "," "," "," "," "," "," "," ",
 338                         " "," ","s"," ","s"," ","s"," "," ",
 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                         " ","s"," ","s"," ","s"," ","s"," ",
 351                         " "," "," "," "," "," "," "," "," ",
 352                         " "," "," "," "," "," "," "," "," ",
 353                         " "," "," "," "," "," "," "," "," ",
 354                         " ","s"," ","s"," ","s"," ","s"," ",
 355                         " ","S"," ","S"," ","S"," ","S"," ",
 356                         " ","S","^","S","^","S","^","S","^",
 357                 },
 358         },
 359         -- inside
 360         {
 361                 style = "yrepeat",
 362                 layout = {
 363                         " "," "," "," "," "," "," "," "," ",
 364                         " ","s"," "," "," "," "," ","s"," ",
 365                         " "," "," "," "," "," "," "," "," ",
 366                         " "," "," ","s","S","s"," "," "," ",
 367                         " "," "," ","S",">"," "," "," "," ",
 368                         " "," "," ","s","S","s"," "," "," ",
 369                         " "," "," "," "," "," "," "," "," ",
 370                         " ","s"," "," "," "," "," ","s"," ",
 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                         "s"," "," "," "," "," "," "," ","s",
 410                         "s","s",">"," "," "," ","<","s","s",
 411                         " ","s","s"," "," "," ","s","s"," ",
 412                         " "," ","s","s"," ","s","s"," "," ",
 413                         " "," "," "," "," "," "," "," "," ",
 414                         " "," ","s","s"," ","s","s"," "," ",
 415                         " ","s","s"," "," "," ","s","s"," ",
 416                         "s","s",">"," "," "," ","<","s","s",
 417                         "s"," "," "," "," "," "," "," ","s",
 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                         " "," "," "," "," ","s","s","s","s",
 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                         " ","s"," ","s"," ","s"," ","s"," ",
 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"," "," "," ","s"," "," "," ","S",
 456                         " "," ","<","S","S","S",">"," "," ",
 457                         " "," ","S","S","S","S","S"," "," ",
 458                         " ","s","S","S","S","S","S","s"," ",
 459                         " "," ","S","S","S","S","S"," "," ",
 460                         " "," ","<","S","S","S",">"," "," ",
 461                         "S"," "," "," ","s"," "," "," ","S",
 462                         "S","S"," "," "," "," "," ","S","S",
 463                 },
 464         },
 465         -- ultra pillars
 466         {
 467                 style = "yrepeat",
 468                 layout = {
 469                         " "," "," "," "," "," "," "," "," ",
 470                         " ","s","^","s"," ","s","^","s"," ",
 471                         " ","s","s","s"," ","s","s","s"," ",
 472                         " ","s","s","s"," ","s","s","s"," ",
 473                         " "," "," "," "," "," "," "," "," ",
 474                         " ","s","s","s"," ","s","s","s"," ",
 475                         " ","s","s","s"," ","s","s","s"," ",
 476                         " ","s","v","s"," ","s","v","s"," ",
 477                         " "," "," "," "," "," "," "," "," ",
 478                 },
 479         },
 480         -- vstripes
 481         {
 482                 style = "yrepeat",
 483                 layout = {
 484                         "S"," "," "," "," "," "," "," "," ",
 485                         "S"," "," ","^"," "," ","^"," "," ",
 486                         "S"," "," ","s"," "," ","s"," "," ",
 487                         "S"," "," "," "," "," "," "," "," ",
 488                         " "," "," ","s"," "," ","s"," "," ",
 489                         "S"," "," "," "," "," "," "," "," ",
 490                         "S"," "," ","s"," "," ","s"," "," ",
 491                         "S"," "," ","v"," "," ","v"," "," ",
 492                         "S"," "," "," "," "," "," "," "," ",
 493                 },
 494         },
 495         -- sides
 496         {
 497                 style = "yrepeat",
 498                 layout = {
 499                         "s"," ","s"," ","s"," ","s"," ","s",
 500                         " "," ","v"," ","v"," ","v"," "," ",
 501                         "s"," "," "," "," "," "," "," ","s",
 502                         " "," "," "," "," "," "," "," "," ",
 503                         " "," "," "," "," "," "," "," ","s",
 504                         " "," "," "," "," "," "," "," "," ",
 505                         "s"," "," "," "," "," "," "," ","s",
 506                         " "," ","^"," ","^"," ","^"," "," ",
 507                         "s"," ","s"," ","s"," ","s"," ","s",
 508                 },
 509                 traps = true,
 510         },
 511         -- 9 pillars
 512         {
 513                 style = "yrepeat",
 514                 layout = {
 515                         " "," "," "," "," "," "," "," "," ",
 516                         " "," ","^"," ","^"," ","^"," "," ",
 517                         " "," ","s"," ","s"," ","s"," "," ",
 518                         " "," "," "," "," "," "," "," "," ",
 519                         " "," ","s"," ","s"," ","s"," "," ",
 520                         " "," "," "," "," "," "," "," "," ",
 521                         " "," ","s"," ","s"," ","s"," "," ",
 522                         " "," ","v"," ","v"," ","v"," "," ",
 523                         " "," "," "," "," "," "," "," "," ",
 524                 },
 525                 --traps = true,
 526         },
 527
 528
 529
 530 }
 531
 532 local layout_traps
 533 local layout_traps_template = {
 534         "S","S","S","S","S","S","S","S","S",
 535         "?","S","?","S","?","S","?","S","S",
 536         "?","S","?","S","?","S","?","S","S",
 537         "?","?","?","?","?","?","?","?","S",
 538         "?","?","?","?","?","?","?","?","S", -- << entrance on left side
 539         "?","?","?","?","?","?","?","?","S",
 540         "?","S","?","S","?","S","?","S","S",
 541         "?","S","?","S","?","S","?","S","S",
 542         "S","S","S","S","S","S","S","S","S"
 543 }
 544
 545 local code_sandstone = {
 546         [" "] = "air",
 547         ["s"] = "sandstone",
 548         ["S"] = "sandstonebrick",
 549         ["1"] = "deco_stone1",
 550         ["2"] = "deco_stone2",
 551         ["3"] = "deco_stone3",
 552         ["^"] = "chest",
 553         ["<"] = "chest",
 554         [">"] = "chest",
 555         ["v"] = "chest",
 556         ["~"] = "lava_source",
 557         ["t"] = "trap",
 558 }
 559 local code_desert = table.copy(code_sandstone)
 560 code_desert["s"] = "desert_sandstone"
 561 code_desert["1"] = "deco_stone4"
 562 code_desert["2"] = "deco_stone5"
 563 code_desert["3"] = "deco_stone6"
 564 code_desert["S"] = "desert_sandstone_brick"
 565 code_desert["t"] = "desert_trap"
 566
 567 local function replace(str, iy, code_table, deco, column_style)
 568         local out = "default:"
 569         if iy < 4 and (str == "<" or str == ">" or str == "^" or str == "v") then str = " " end
 570         if column_style == 1 or column_style == 2 then
 571                 if iy == 0 and str == "s" then out = "tsm_pyramids:" str = deco[1] end
 572                 if iy == 3 and str == "s" then out = "tsm_pyramids:" str = deco[2] end
 573         elseif column_style == 3 then
 574                 if iy == 0 and str == "s" then out = "tsm_pyramids:" str = deco[1] end
 575                 if iy == 2 and str == "s" then out = "tsm_pyramids:" str = deco[2] end
 576         elseif column_style == 4 then
 577                 if iy == 2 and str == "s" then out = "tsm_pyramids:" str = deco[1] end
 578         end
 579         if str == " " then out = "" end
 580         return out..code_table[str]
 581 end
 582
 583 local function replace2(str, iy, code_table)
 584         local out = "default:"
 585         if iy == 0 and str == "~" then out = "tsm_pyramids:" str = "t"
 586         elseif iy < 3 and str == "~" then str = " " end
 587
 588         if str == " " then out = "" end
 589         return out..code_table[str]
 590 end
 591
 592 local function get_flat_index(x, y, width)
 593         return 1 + x + y * width
 594 end
 595
 596 local function rotate_layout_single(layout, width)
 597         local size = width*width
 598         local new_layout = {}
 599         for x=0, width-1 do
 600                 for y=0, width-1 do
 601                         local symbol = layout[get_flat_index((width-1) - y, x, width)]
 602                         -- Rotate chest
 603                         if symbol == "^" then
 604                                 symbol = "<"
 605                         elseif symbol == "<" then
 606                                 symbol = "v"
 607                         elseif symbol == "v" then
 608                                 symbol = ">"
 609                         elseif symbol == ">" then
 610                                 symbol = "^"
 611                         end
 612                         new_layout[get_flat_index(x, y, width)] = symbol
 613                 end
 614         end
 615         return new_layout
 616 end
 617
 618 local function rotate_layout(layout, width, rotations)
 619         local new_layout = table.copy(layout)
 620         for r=1, rotations do
 621                 new_layout = rotate_layout_single(new_layout, width)
 622         end
 623         return new_layout
 624 end
 625
 626 -- pos: Position to spawn pyramid
 627 -- stype: Sand type ("sandstone" or "desert")
 628 -- room_id: Room layout identified (see list of rooms above)
 629 -- rotations: Number of times to rotate the room (0-3)
 630 function tsm_pyramids.make_room(pos, stype, room_id, rotations)
 631         local code_table = code_sandstone
 632         if stype == "desert" then
 633                 code_table = code_desert
 634         end
 635         -- Select random deco block
 636         local deco_ids = {"1", "2", "3"}
 637         local deco = {}
 638         for i=1, 2 do
 639                 local r = math.random(1, #deco_ids)
 640                 table.insert(deco, deco_ids[r])
 641                 table.remove(deco_ids, r)
 642         end
 643         local hole = {x=pos.x+7,y=pos.y+5, z=pos.z+7}
 644         if room_id == nil then
 645                 room_id = math.random(1, #room_types)
 646         end
 647         local room
 648         if room_id < 1 or room_id > #room_types then
 649                 return false, S("Incorrect room type ID: @1", room_id)
 650         end
 651         local room = table.copy(room_types[room_id])
 652         local chests = {}
 653         local column_style = math.random(0,4)
 654         local layout = rotate_layout(room.layout, ROOM_WIDTH, rotations)
 655         if room.style == "yrepeat" then
 656                 for iy=0,4,1 do
 657                         for ix=0,8,1 do
 658                                 for iz=0,8,1 do
 659                                         local n_str = layout[tonumber(ix*9+iz+1)]
 660                                         local p2 = 0
 661                                         if n_str == "<" then
 662                                                 p2 = 0
 663                                         elseif n_str == ">" then
 664                                                 p2 = 2
 665                                         elseif n_str == "^" then
 666                                                 p2 = 1
 667                                         elseif n_str == "v" then
 668                                                 p2 = 3
 669                                         end
 670                                         local cpos = {x=hole.x+ix,y=hole.y-iy,z=hole.z+iz}
 671                                         local nn = replace(n_str, iy, code_table, deco, column_style)
 672                                         minetest.set_node(cpos, {name=nn, param2=p2})
 673                                         if nn == "default:chest" then
 674                                                 table.insert(chests, cpos)
 675                                         end
 676                                 end
 677                         end
 678                 end
 679         else
 680                 minetest.log("error", "Invalid pyramid room style! room type ID="..r)
 681         end
 682         local sanded = room.flood_sand ~= false and math.random(1,8) == 1
 683         if #chests > 0 then
 684                 -- Make at least 8 attempts to fill chests
 685                 local filled = 0
 686                 while filled < 8 do
 687                         for c=1, #chests do
 688                                 tsm_pyramids.fill_chest(chests[c], stype, sanded)
 689                                 filled = filled + 1
 690                         end
 691                 end
 692         end
 693         if room.traps then
 694                 tsm_pyramids.make_traps(pos, stype, rotations)
 695         end
 696         if sanded then
 697                 tsm_pyramids.flood_sand(pos, stype)
 698         end
 699         return true, nil, sanded
 700 end
 701
 702 local shuffle_traps = function(chance)
 703         layout_traps = table.copy(layout_traps_template)
 704         for a=1, #layout_traps do
 705                 if layout_traps[a] == "?" then
 706                         if math.random(1,100) <= chance then
 707                                 layout_traps[a] = "~"
 708                         else
 709                                 layout_traps[a] = "S"
 710                         end
 711                 end
 712         end
 713 end
 714
 715 function tsm_pyramids.make_traps(pos, stype, rotations)
 716         local code_table = code_sandstone
 717         if stype == "desert" then
 718                 code_table = code_desert
 719         end
 720         shuffle_traps(math.random(10,100))
 721         local hole = {x=pos.x+7,y=pos.y, z=pos.z+7}
 722         local layout = rotate_layout(layout_traps, ROOM_WIDTH, rotations)
 723         for iy=0,4,1 do
 724                 for ix=0,8,1 do
 725                         for iz=0,8,1 do
 726                                 local n_str = layout[tonumber(ix*9+iz+1)]
 727                                 local p2 = 0
 728                                 minetest.set_node({x=hole.x+ix,y=hole.y-iy,z=hole.z+iz}, {name=replace2(n_str, iy, code_table), param2=p2})
 729                         end
 730                 end
 731         end
 732 end
 733
 734 function tsm_pyramids.flood_sand(pos, stype)
 735         local set_to_sand = {}
 736         local nn = "default:sand"
 737         if stype == "desert" then
 738                 nn = "default:desert_sand"
 739         end
 740         local hole = {x=pos.x+7,y=pos.y+1, z=pos.z+7}
 741         local maxh = math.random(1,4)
 742         local chance = math.random(1,7)
 743         for ix=0,8,1 do
 744                 for iz=0,8,1 do
 745                         if math.random(1,chance) == 1 then
 746                                 local h = math.random(1,maxh)
 747                                 for iy=0,h,1 do
 748                                         local p = {x=hole.x+ix,y=hole.y+iy,z=hole.z+iz}
 749                                         if minetest.get_node(p).name == "air" then
 750                                                 table.insert(set_to_sand, p)
 751                                         end
 752                                 end
 753                         end
 754                 end
 755         end
 756         minetest.bulk_set_node(set_to_sand, {name=nn})
 757 end
 758