src/game_em/convert.c

   1 /* 2007-04-04 08:33:37
   2  *
   3  * convert intermediate cave format to internal cave structure for
   4  * use in logic(). initializes entire internal structure.
   5  */
   6
   7 #include "main_em.h"
   8
   9
  10 static const short map[CAVE_TILE_MAX] =
  11 {
  12   [Cblank]              = Xblank,
  13   [Cgrass]              = Xgrass,
  14   [Cdirt]               = Xdirt,
  15   [Cplant]              = Xplant,
  16   [Cwall_1]             = Xwall_1,
  17   [Cwall_2]             = Xwall_2,
  18   [Cwall_3]             = Xwall_3,
  19   [Cwall_4]             = Xwall_4,
  20   [Croundwall_1]        = Xroundwall_1,
  21   [Croundwall_2]        = Xroundwall_2,
  22   [Croundwall_3]        = Xroundwall_3,
  23   [Croundwall_4]        = Xroundwall_4,
  24   [Csteel_1]            = Xsteel_1,
  25   [Csteel_2]            = Xsteel_2,
  26   [Csteel_3]            = Xsteel_3,
  27   [Csteel_4]            = Xsteel_4,
  28   [Candroid]            = Xandroid,
  29   [Ceater_n]            = Xeater_n,
  30   [Ceater_e]            = Xeater_e,
  31   [Ceater_s]            = Xeater_s,
  32   [Ceater_w]            = Xeater_w,
  33   [Calien]              = Xalien,
  34   [Cbug_1_n]            = Xbug_1_n,
  35   [Cbug_1_e]            = Xbug_1_e,
  36   [Cbug_1_s]            = Xbug_1_s,
  37   [Cbug_1_w]            = Xbug_1_w,
  38   [Cbug_2_n]            = Xbug_2_n,
  39   [Cbug_2_e]            = Xbug_2_e,
  40   [Cbug_2_s]            = Xbug_2_s,
  41   [Cbug_2_w]            = Xbug_2_w,
  42   [Ctank_1_n]           = Xtank_1_n,
  43   [Ctank_1_e]           = Xtank_1_e,
  44   [Ctank_1_s]           = Xtank_1_s,
  45   [Ctank_1_w]           = Xtank_1_w,
  46   [Ctank_2_n]           = Xtank_2_n,
  47   [Ctank_2_e]           = Xtank_2_e,
  48   [Ctank_2_s]           = Xtank_2_s,
  49   [Ctank_2_w]           = Xtank_2_w,
  50   [Cemerald]            = Xemerald,
  51   [Cdiamond]            = Xdiamond,
  52   [Cstone]              = Xstone,
  53   [Cbomb]               = Xbomb,
  54   [Cnut]                = Xnut,
  55   [Cspring]             = Xspring,
  56   [Cpush_emerald_e]     = Xpush_emerald_e,
  57   [Cpush_emerald_w]     = Xpush_emerald_w,
  58   [Cpush_diamond_e]     = Xpush_diamond_e,
  59   [Cpush_diamond_w]     = Xpush_diamond_w,
  60   [Cpush_stone_e]       = Xpush_stone_e,
  61   [Cpush_stone_w]       = Xpush_stone_w,
  62   [Cpush_bomb_e]        = Xpush_bomb_e,
  63   [Cpush_bomb_w]        = Xpush_bomb_w,
  64   [Cpush_nut_e]         = Xpush_nut_e,
  65   [Cpush_nut_w]         = Xpush_nut_w,
  66   [Cpush_spring_e]      = Xpush_spring_e,
  67   [Cpush_spring_w]      = Xpush_spring_w,
  68   [Cdynamite]           = Xdynamite,
  69   [Cdynamite_1]         = Xdynamite_1,
  70   [Cdynamite_2]         = Xdynamite_2,
  71   [Cdynamite_3]         = Xdynamite_3,
  72   [Cdynamite_4]         = Xdynamite_4,
  73   [Ckey_1]              = Xkey_1,
  74   [Ckey_2]              = Xkey_2,
  75   [Ckey_3]              = Xkey_3,
  76   [Ckey_4]              = Xkey_4,
  77   [Ckey_5]              = Xkey_5,
  78   [Ckey_6]              = Xkey_6,
  79   [Ckey_7]              = Xkey_7,
  80   [Ckey_8]              = Xkey_8,
  81   [Cdoor_1]             = Xdoor_1,
  82   [Cdoor_2]             = Xdoor_2,
  83   [Cdoor_3]             = Xdoor_3,
  84   [Cdoor_4]             = Xdoor_4,
  85   [Cdoor_5]             = Xdoor_5,
  86   [Cdoor_6]             = Xdoor_6,
  87   [Cdoor_7]             = Xdoor_7,
  88   [Cdoor_8]             = Xdoor_8,
  89   [Cfake_door_1]        = Xfake_door_1,
  90   [Cfake_door_2]        = Xfake_door_2,
  91   [Cfake_door_3]        = Xfake_door_3,
  92   [Cfake_door_4]        = Xfake_door_4,
  93   [Cfake_door_5]        = Xfake_door_5,
  94   [Cfake_door_6]        = Xfake_door_6,
  95   [Cfake_door_7]        = Xfake_door_7,
  96   [Cfake_door_8]        = Xfake_door_8,
  97   [Cballoon]            = Xballoon,
  98   [Cball_1]             = Xball_1,
  99   [Cball_2]             = Xball_2,
 100   [Camoeba_1]           = Xamoeba_1,
 101   [Camoeba_2]           = Xamoeba_2,
 102   [Camoeba_3]           = Xamoeba_3,
 103   [Camoeba_4]           = Xamoeba_4,
 104   [Camoeba_5]           = Xamoeba_5,
 105   [Camoeba_6]           = Xamoeba_6,
 106   [Camoeba_7]           = Xamoeba_7,
 107   [Camoeba_8]           = Xamoeba_8,
 108   [Cdrip]               = Xdrip,
 109   [Cwonderwall]         = Xwonderwall,
 110   [Cwheel]              = Xwheel,
 111   [Cswitch]             = Xswitch,
 112   [Cbumper]             = Xbumper,
 113   [Cacid_nw]            = Xacid_nw,
 114   [Cacid_ne]            = Xacid_ne,
 115   [Cacid_sw]            = Xacid_sw,
 116   [Cacid_s]             = Xacid_s,
 117   [Cacid_se]            = Xacid_se,
 118   [Cacid_1]             = Xacid_1,
 119   [Cacid_2]             = Xacid_2,
 120   [Cacid_3]             = Xacid_3,
 121   [Cacid_4]             = Xacid_4,
 122   [Cacid_5]             = Xacid_5,
 123   [Cacid_6]             = Xacid_6,
 124   [Cacid_7]             = Xacid_7,
 125   [Cacid_8]             = Xacid_8,
 126   [Cfake_acid_1]        = Xfake_acid_1,
 127   [Cfake_acid_2]        = Xfake_acid_2,
 128   [Cfake_acid_3]        = Xfake_acid_3,
 129   [Cfake_acid_4]        = Xfake_acid_4,
 130   [Cfake_acid_5]        = Xfake_acid_5,
 131   [Cfake_acid_6]        = Xfake_acid_6,
 132   [Cfake_acid_7]        = Xfake_acid_7,
 133   [Cfake_acid_8]        = Xfake_acid_8,
 134   [Cfake_blank]         = Xfake_blank,
 135   [Cfake_grass]         = Xfake_grass,
 136   [Cfake_amoeba]        = Xfake_amoeba,
 137   [Clenses]             = Xlenses,
 138   [Cmagnify]            = Xmagnify,
 139   [Csand]               = Xsand,
 140   [Csand_stone]         = Xsand_stone,
 141   [Cslide_ns]           = Xslide_ns,
 142   [Cslide_ew]           = Xslide_ew,
 143   [Cwind_n]             = Xwind_n,
 144   [Cwind_e]             = Xwind_e,
 145   [Cwind_s]             = Xwind_s,
 146   [Cwind_w]             = Xwind_w,
 147   [Cwind_any]           = Xwind_any,
 148   [Cwind_stop]          = Xwind_stop,
 149   [Cexit]               = Xexit,
 150   [Cexit_1]             = Xexit_1,
 151   [Cexit_2]             = Xexit_2,
 152   [Cexit_3]             = Xexit_3,
 153   [Cpause]              = Xpause,
 154   [Cdecor_1]            = Xdecor_1,
 155   [Cdecor_2]            = Xdecor_2,
 156   [Cdecor_3]            = Xdecor_3,
 157   [Cdecor_4]            = Xdecor_4,
 158   [Cdecor_5]            = Xdecor_5,
 159   [Cdecor_6]            = Xdecor_6,
 160   [Cdecor_7]            = Xdecor_7,
 161   [Cdecor_8]            = Xdecor_8,
 162   [Cdecor_9]            = Xdecor_9,
 163   [Cdecor_10]           = Xdecor_10,
 164   [Cdecor_11]           = Xdecor_11,
 165   [Cdecor_12]           = Xdecor_12,
 166   [Calpha_0]            = Xalpha_0,
 167   [Calpha_1]            = Xalpha_1,
 168   [Calpha_2]            = Xalpha_2,
 169   [Calpha_3]            = Xalpha_3,
 170   [Calpha_4]            = Xalpha_4,
 171   [Calpha_5]            = Xalpha_5,
 172   [Calpha_6]            = Xalpha_6,
 173   [Calpha_7]            = Xalpha_7,
 174   [Calpha_8]            = Xalpha_8,
 175   [Calpha_9]            = Xalpha_9,
 176   [Calpha_excla]        = Xalpha_excla,
 177   [Calpha_apost]        = Xalpha_apost,
 178   [Calpha_comma]        = Xalpha_comma,
 179   [Calpha_minus]        = Xalpha_minus,
 180   [Calpha_perio]        = Xalpha_perio,
 181   [Calpha_colon]        = Xalpha_colon,
 182   [Calpha_quest]        = Xalpha_quest,
 183   [Calpha_a]            = Xalpha_a,
 184   [Calpha_b]            = Xalpha_b,
 185   [Calpha_c]            = Xalpha_c,
 186   [Calpha_d]            = Xalpha_d,
 187   [Calpha_e]            = Xalpha_e,
 188   [Calpha_f]            = Xalpha_f,
 189   [Calpha_g]            = Xalpha_g,
 190   [Calpha_h]            = Xalpha_h,
 191   [Calpha_i]            = Xalpha_i,
 192   [Calpha_j]            = Xalpha_j,
 193   [Calpha_k]            = Xalpha_k,
 194   [Calpha_l]            = Xalpha_l,
 195   [Calpha_m]            = Xalpha_m,
 196   [Calpha_n]            = Xalpha_n,
 197   [Calpha_o]            = Xalpha_o,
 198   [Calpha_p]            = Xalpha_p,
 199   [Calpha_q]            = Xalpha_q,
 200   [Calpha_r]            = Xalpha_r,
 201   [Calpha_s]            = Xalpha_s,
 202   [Calpha_t]            = Xalpha_t,
 203   [Calpha_u]            = Xalpha_u,
 204   [Calpha_v]            = Xalpha_v,
 205   [Calpha_w]            = Xalpha_w,
 206   [Calpha_x]            = Xalpha_x,
 207   [Calpha_y]            = Xalpha_y,
 208   [Calpha_z]            = Xalpha_z,
 209   [Calpha_arrow_e]      = Xalpha_arrow_e,
 210   [Calpha_arrow_w]      = Xalpha_arrow_w,
 211   [Calpha_copyr]        = Xalpha_copyr
 212 };
 213
 214 int map_em_element_C_to_X(int element_em_cave)
 215 {
 216   if (element_em_cave < 0 || element_em_cave >= CAVE_TILE_MAX)
 217   {
 218     Error(ERR_WARN, "invalid EM cave element %d", element_em_cave);
 219
 220     return Xblank;
 221   }
 222
 223   return map[element_em_cave];
 224 }
 225
 226 int map_em_element_X_to_C(int element_em_game)
 227 {
 228   static unsigned short map_reverse[GAME_TILE_MAX];
 229   static boolean map_reverse_initialized = FALSE;
 230
 231   if (!map_reverse_initialized)
 232   {
 233     int i;
 234
 235     // return "Cblank" for all undefined elements in mapping array
 236     for (i = 0; i < GAME_TILE_MAX; i++)
 237       map_reverse[i] = Cblank;
 238
 239     for (i = 0; i < CAVE_TILE_MAX; i++)
 240       map_reverse[map[i]] = i;
 241
 242     map_reverse_initialized = TRUE;
 243   }
 244
 245   if (element_em_game < 0 || element_em_game >= GAME_TILE_MAX)
 246   {
 247     Error(ERR_WARN, "invalid EM game element %d", element_em_game);
 248
 249     return Cblank;
 250   }
 251
 252   int element_em_cave = map_reverse[element_em_game];
 253
 254   if (element_em_cave == Cblank && element_em_game != Xblank)
 255     Error(ERR_WARN, "unknown EM game element %d", element_em_game);
 256
 257   return element_em_cave;
 258 }
 259
 260 void prepare_em_level(void)
 261 {
 262   int i, j, x, y;
 263   int players_left;
 264   boolean team_mode;
 265
 266   /* reset all runtime variables to their initial values */
 267
 268   game_init_cave_buffers();
 269
 270   lev.width  = cav.width;
 271   lev.height = cav.height;
 272
 273   lev.left = CAVE_BUFFER_XOFFSET;
 274   lev.top  = CAVE_BUFFER_YOFFSET;
 275   lev.right = lev.left + lev.width;
 276   lev.bottom = lev.top + lev.height;
 277
 278   if (cav.infinite)
 279   {
 280     /* add linked cave buffer columns for wrap-around movement */
 281     for (x = 0; x < lev.left; x++)
 282     {
 283       lev.cavecol[x] = lev.cavecol[lev.width + x];
 284       lev.nextcol[x] = lev.nextcol[lev.width + x];
 285       lev.drawcol[x] = lev.drawcol[lev.width + x];
 286       lev.boomcol[x] = lev.boomcol[lev.width + x];
 287
 288       lev.cavecol[lev.right + x] = lev.cavecol[lev.left + x];
 289       lev.nextcol[lev.right + x] = lev.nextcol[lev.left + x];
 290       lev.drawcol[lev.right + x] = lev.drawcol[lev.left + x];
 291       lev.boomcol[lev.right + x] = lev.boomcol[lev.left + x];
 292     }
 293   }
 294
 295   for (x = 0; x < lev.width; x++)
 296     for (y = 0; y < lev.height; y++)
 297       lev.cave[lev.left + x][lev.top + y] = map[cav.cave[x][y]];
 298
 299   for (x = lev.left; x < lev.right; x++)
 300     for (y = lev.top; y < lev.bottom; y++)
 301       lev.next[x][y] = lev.draw[x][y] = lev.cave[x][y];
 302
 303   lev.time = cav.time_seconds;
 304   lev.gems_needed = cav.gems_needed;
 305   lev.score = 0;
 306
 307   lev.testmode = cav.testmode;
 308
 309   if (lev.testmode)
 310   {
 311     lev.time = 0;
 312     lev.gems_needed = 0;
 313   }
 314
 315   lev.eater_score       = cav.eater_score;
 316   lev.alien_score       = cav.alien_score;
 317   lev.bug_score         = cav.bug_score;
 318   lev.tank_score        = cav.tank_score;
 319   lev.emerald_score     = cav.emerald_score;
 320   lev.diamond_score     = cav.diamond_score;
 321   lev.nut_score         = cav.nut_score;
 322   lev.slurp_score       = cav.slurp_score;
 323   lev.dynamite_score    = cav.dynamite_score;
 324   lev.key_score         = cav.key_score;
 325   lev.lenses_score      = cav.lenses_score;
 326   lev.magnify_score     = cav.magnify_score;
 327   lev.exit_score        = cav.exit_score;
 328
 329   lev.amoeba_time = cav.amoeba_time;
 330
 331   lev.android_move_time = cav.android_move_time;
 332   lev.android_move_cnt  = cav.android_move_time;
 333
 334   lev.android_clone_time = cav.android_clone_time;
 335   lev.android_clone_cnt  = cav.android_clone_time;
 336
 337   lev.ball_time   = cav.ball_time;
 338   lev.ball_cnt    = cav.ball_time;
 339   lev.ball_active = cav.ball_active;
 340   lev.ball_random = cav.ball_random;
 341   lev.ball_pos    = 0;
 342
 343   lev.eater_pos = 0;
 344   lev.shine_cnt = 0;
 345
 346   lev.lenses_time = cav.lenses_time;
 347   lev.lenses_cnt  = cav.lenses_active ? cav.lenses_time : 0;
 348
 349   lev.magnify_time = cav.magnify_time;
 350   lev.magnify_cnt  = cav.magnify_active ? cav.magnify_time : 0;
 351
 352   lev.wheel_time = cav.wheel_time;
 353   lev.wheel_cnt  = cav.wheel_active ? cav.wheel_time : 0;
 354   lev.wheel_x    = cav.wheel_x;
 355   lev.wheel_y    = cav.wheel_y;
 356
 357   lev.wind_time      = cav.wind_time;
 358   lev.wind_cnt       = cav.wind_time;
 359   lev.wind_direction = cav.wind_direction;
 360
 361   lev.wonderwall_time   = cav.wonderwall_time;
 362   lev.wonderwall_active = cav.wonderwall_active;
 363
 364   lev.killed_out_of_time = FALSE;
 365
 366   lev.num_ball_arrays = cav.num_ball_arrays;
 367
 368   for (i = 0; i < 8; i++)
 369     for (j = 0; j < 9; j++)
 370       lev.eater_array[i][j] = map[cav.eater_array[i][j]];
 371
 372   for (i = 0; i < 8; i++)
 373     for (j = 0; j < 8; j++)
 374       lev.ball_array[i][j] = map[cav.ball_array[i][j]];
 375
 376   for (i = 0; i < GAME_TILE_MAX; i++)
 377     lev.android_array[i] = map[cav.android_array[i]];
 378
 379   lev.home_initial = 0;
 380
 381   /* check for players in this level */
 382   for (i = 0; i < MAX_PLAYERS; i++)
 383   {
 384     ply[i].exists = FALSE;
 385     ply[i].alive = FALSE;
 386
 387     if (cav.player_x[i] != -1 &&
 388         cav.player_y[i] != -1)
 389     {
 390       ply[i].exists = TRUE;
 391
 392       lev.home_initial++;
 393     }
 394   }
 395
 396   team_mode = getTeamMode_EM();
 397
 398   if (!team_mode)
 399     lev.home_initial = 1;
 400
 401   lev.home = lev.home_initial;
 402   players_left = lev.home_initial;
 403
 404   /* assign active players */
 405   for (i = 0; i < MAX_PLAYERS; i++)
 406   {
 407     if (ply[i].exists && isActivePlayer_EM(i))
 408     {
 409       if (players_left)
 410       {
 411         ply[i].alive = TRUE;
 412         players_left--;
 413       }
 414     }
 415   }
 416
 417   /* remove inactive players */
 418   for (i = 0; i < MAX_PLAYERS; i++)
 419   {
 420     if (ply[i].exists && !ply[i].alive)
 421     {
 422       int x = cav.player_x[i];
 423       int y = cav.player_y[i];
 424
 425       lev.cave[lev.left + x][lev.top + y] = Xblank;
 426       lev.next[lev.left + x][lev.top + y] = Xblank;
 427       lev.draw[lev.left + x][lev.top + y] = Xblank;
 428     }
 429   }
 430
 431   for (i = 0; i < MAX_PLAYERS; i++)
 432   {
 433     ply[i].num = i;
 434     ply[i].anim = PLY_still;
 435
 436     ply[i].x = cav.player_x[i] + lev.left;
 437     ply[i].y = cav.player_y[i] + lev.top;
 438     ply[i].prev_x = ply[i].x;
 439     ply[i].prev_y = ply[i].y;
 440
 441     ply[i].dynamite     = 0;
 442     ply[i].dynamite_cnt = 0;
 443     ply[i].keys         = 0;
 444
 445     ply[i].last_move_dir = MV_NONE;
 446
 447     ply[i].joy_n        = FALSE;
 448     ply[i].joy_e        = FALSE;
 449     ply[i].joy_s        = FALSE;
 450     ply[i].joy_w        = FALSE;
 451     ply[i].joy_snap     = FALSE;
 452     ply[i].joy_drop     = FALSE;
 453     ply[i].joy_stick    = FALSE;
 454   }
 455
 456   // the following engine variables are initialized to version-specific values
 457   // in function InitGameEngine() (src/game.c):
 458   //
 459   // - game_em.use_single_button (default: TRUE)
 460   // - game_em.use_snap_key_bug (default: FALSE)
 461   // - game_em.use_old_explosions (default: FALSE)
 462   // - game_em.use_wrap_around (default: TRUE)
 463
 464   game_em.level_solved = FALSE;
 465   game_em.game_over = FALSE;
 466
 467   game_em.any_player_moving = FALSE;
 468   game_em.any_player_snapping = FALSE;
 469
 470   game_em.last_moving_player = 0;       /* default: first player */
 471
 472   for (i = 0; i < MAX_PLAYERS; i++)
 473     game_em.last_player_direction[i] = MV_NONE;
 474
 475   lev.exit_x = lev.exit_y = -1; /* kludge for playing player exit sound */
 476 }