src/game_em/export.h

   1 #ifndef EXPORT_H
   2 #define EXPORT_H
   3
   4 /* ========================================================================= */
   5 /* functions and definitions exported from game_em to main program           */
   6 /* ========================================================================= */
   7
   8 /* ------------------------------------------------------------------------- */
   9 /* constant definitions                                                      */
  10 /* ------------------------------------------------------------------------- */
  11
  12 /* define these for backwards compatibility */
  13 #define EM_ENGINE_BAD_ROLL
  14 #define EM_ENGINE_BAD_SPRING
  15
  16 /* define these to use additional elements */
  17 #define EM_ENGINE_USE_ADDITIONAL_ELEMENTS
  18
  19 /* internal definitions for EM engine */
  20 #ifdef EM_ENGINE_BAD_ROLL
  21 #define BAD_ROLL
  22 #endif
  23
  24 #ifdef EM_ENGINE_BAD_SPRING
  25 #define BAD_SPRING
  26 #endif
  27
  28 /* one border for ZBORDER elements, one border for steelwall, if needed */
  29 #define EM_MAX_CAVE_WIDTH               (MAX_PLAYFIELD_WIDTH  + 2 + 2)
  30 #define EM_MAX_CAVE_HEIGHT              (MAX_PLAYFIELD_HEIGHT + 2 + 2)
  31
  32 /*
  33   -----------------------------------------------------------------------------
  34   definition of elements used in the Emerald Mine Club engine;
  35   the element names have the following properties:
  36   - elements that start with 'X' can be stored in a level file
  37   - elements that start with 'Y' indicate moving elements
  38   - elements that end with 'B' are the "backside" of moving elements
  39   -----------------------------------------------------------------------------
  40 */
  41
  42 enum
  43 {
  44   Xblank = 0,           /* still */
  45   Yacid_splash_eB,      /* hmm */
  46   Yacid_splash_wB,      /* hmm */
  47
  48 #ifdef EM_ENGINE_BAD_ROLL
  49   Xstone_force_e,       /* only use these in eater */
  50   Xstone_force_w,
  51   Xnut_force_e,
  52   Xnut_force_w,
  53   Xspring_force_e,
  54   Xspring_force_w,
  55   Xemerald_force_e,
  56   Xemerald_force_w,
  57   Xdiamond_force_e,
  58   Xdiamond_force_w,
  59   Xbomb_force_e,
  60   Xbomb_force_w,
  61 #endif
  62
  63   Xstone,
  64   Xstone_pause,
  65   Xstone_fall,
  66   Ystone_s,
  67   Ystone_sB,
  68   Ystone_e,
  69   Ystone_eB,
  70   Ystone_w,
  71   Ystone_wB,
  72   Xnut,
  73   Xnut_pause,
  74   Xnut_fall,
  75   Ynut_s,
  76   Ynut_sB,
  77   Ynut_e,
  78   Ynut_eB,
  79   Ynut_w,
  80   Ynut_wB,
  81   Xbug_n,
  82   Xbug_e,
  83   Xbug_s,
  84   Xbug_w,
  85   Xbug_gon,
  86   Xbug_goe,
  87   Xbug_gos,
  88   Xbug_gow,
  89   Ybug_n,
  90   Ybug_nB,
  91   Ybug_e,
  92   Ybug_eB,
  93   Ybug_s,
  94   Ybug_sB,
  95   Ybug_w,
  96   Ybug_wB,
  97   Ybug_w_n,
  98   Ybug_n_e,
  99   Ybug_e_s,
 100   Ybug_s_w,
 101   Ybug_e_n,
 102   Ybug_s_e,
 103   Ybug_w_s,
 104   Ybug_n_w,
 105   Ybug_stone,
 106   Ybug_spring,
 107   Xtank_n,
 108   Xtank_e,
 109   Xtank_s,
 110   Xtank_w,
 111   Xtank_gon,
 112   Xtank_goe,
 113   Xtank_gos,
 114   Xtank_gow,
 115   Ytank_n,
 116   Ytank_nB,
 117   Ytank_e,
 118   Ytank_eB,
 119   Ytank_s,
 120   Ytank_sB,
 121   Ytank_w,
 122   Ytank_wB,
 123   Ytank_w_n,
 124   Ytank_n_e,
 125   Ytank_e_s,
 126   Ytank_s_w,
 127   Ytank_e_n,
 128   Ytank_s_e,
 129   Ytank_w_s,
 130   Ytank_n_w,
 131   Ytank_stone,
 132   Ytank_spring,
 133   Xandroid,
 134   Xandroid_1_n,
 135   Xandroid_2_n,
 136   Xandroid_1_e,
 137   Xandroid_2_e,
 138   Xandroid_1_w,
 139   Xandroid_2_w,
 140   Xandroid_1_s,
 141   Xandroid_2_s,
 142   Yandroid_n,
 143   Yandroid_nB,
 144   Yandroid_ne,
 145   Yandroid_neB,
 146   Yandroid_e,
 147   Yandroid_eB,
 148   Yandroid_se,
 149   Yandroid_seB,
 150   Yandroid_s,
 151   Yandroid_sB,
 152   Yandroid_sw,
 153   Yandroid_swB,
 154   Yandroid_w,
 155   Yandroid_wB,
 156   Yandroid_nw,
 157   Yandroid_nwB,
 158   Xspring,
 159   Xspring_pause,
 160   Xspring_e,
 161   Xspring_w,
 162   Xspring_fall,
 163   Yspring_s,
 164   Yspring_sB,
 165   Yspring_e,
 166   Yspring_eB,
 167   Yspring_w,
 168   Yspring_wB,
 169   Yspring_kill_e,
 170   Yspring_kill_eB,
 171   Yspring_kill_w,
 172   Yspring_kill_wB,
 173   Xeater_n,
 174   Xeater_e,
 175   Xeater_w,
 176   Xeater_s,
 177   Yeater_n,
 178   Yeater_nB,
 179   Yeater_e,
 180   Yeater_eB,
 181   Yeater_s,
 182   Yeater_sB,
 183   Yeater_w,
 184   Yeater_wB,
 185   Yeater_stone,
 186   Yeater_spring,
 187   Xalien,
 188   Xalien_pause,
 189   Yalien_n,
 190   Yalien_nB,
 191   Yalien_e,
 192   Yalien_eB,
 193   Yalien_s,
 194   Yalien_sB,
 195   Yalien_w,
 196   Yalien_wB,
 197   Yalien_stone,
 198   Yalien_spring,
 199   Xemerald,
 200   Xemerald_pause,
 201   Xemerald_fall,
 202   Xemerald_shine,
 203   Yemerald_s,
 204   Yemerald_sB,
 205   Yemerald_e,
 206   Yemerald_eB,
 207   Yemerald_w,
 208   Yemerald_wB,
 209   Yemerald_eat,
 210   Yemerald_stone,
 211   Xdiamond,
 212   Xdiamond_pause,
 213   Xdiamond_fall,
 214   Xdiamond_shine,
 215   Ydiamond_s,
 216   Ydiamond_sB,
 217   Ydiamond_e,
 218   Ydiamond_eB,
 219   Ydiamond_w,
 220   Ydiamond_wB,
 221   Ydiamond_eat,
 222   Ydiamond_stone,
 223   Xdrip_fall,
 224   Xdrip_stretch,
 225   Xdrip_stretchB,
 226   Xdrip_eat,
 227   Ydrip_s1,
 228   Ydrip_s1B,
 229   Ydrip_s2,
 230   Ydrip_s2B,
 231   Xbomb,
 232   Xbomb_pause,
 233   Xbomb_fall,
 234   Ybomb_s,
 235   Ybomb_sB,
 236   Ybomb_e,
 237   Ybomb_eB,
 238   Ybomb_w,
 239   Ybomb_wB,
 240   Ybomb_eat,
 241   Xballoon,
 242   Yballoon_n,
 243   Yballoon_nB,
 244   Yballoon_e,
 245   Yballoon_eB,
 246   Yballoon_s,
 247   Yballoon_sB,
 248   Yballoon_w,
 249   Yballoon_wB,
 250   Xgrass,
 251   Ygrass_nB,
 252   Ygrass_eB,
 253   Ygrass_sB,
 254   Ygrass_wB,
 255   Xdirt,
 256   Ydirt_nB,
 257   Ydirt_eB,
 258   Ydirt_sB,
 259   Ydirt_wB,
 260   Xacid_ne,
 261   Xacid_se,
 262   Xacid_s,
 263   Xacid_sw,
 264   Xacid_nw,
 265   Xacid_1,
 266   Xacid_2,
 267   Xacid_3,
 268   Xacid_4,
 269   Xacid_5,
 270   Xacid_6,
 271   Xacid_7,
 272   Xacid_8,
 273   Xball_1,
 274   Xball_1B,
 275   Xball_2,
 276   Xball_2B,
 277   Yball_eat,
 278
 279 #ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
 280   Ykey_1_eat,
 281   Ykey_2_eat,
 282   Ykey_3_eat,
 283   Ykey_4_eat,
 284   Ykey_5_eat,
 285   Ykey_6_eat,
 286   Ykey_7_eat,
 287   Ykey_8_eat,
 288   Ylenses_eat,
 289   Ymagnify_eat,
 290   Ygrass_eat,
 291   Ydirt_eat,
 292 #endif
 293
 294   Xgrow_ns,
 295   Ygrow_ns_eat,
 296   Xgrow_ew,
 297   Ygrow_ew_eat,
 298   Xwonderwall,
 299   XwonderwallB,
 300   Xamoeba_1,
 301   Xamoeba_2,
 302   Xamoeba_3,
 303   Xamoeba_4,
 304   Xamoeba_5,
 305   Xamoeba_6,
 306   Xamoeba_7,
 307   Xamoeba_8,
 308   Xdoor_1,
 309   Xdoor_2,
 310   Xdoor_3,
 311   Xdoor_4,
 312   Xdoor_5,
 313   Xdoor_6,
 314   Xdoor_7,
 315   Xdoor_8,
 316   Xkey_1,
 317   Xkey_2,
 318   Xkey_3,
 319   Xkey_4,
 320   Xkey_5,
 321   Xkey_6,
 322   Xkey_7,
 323   Xkey_8,
 324   Xwind_n,
 325   Xwind_e,
 326   Xwind_s,
 327   Xwind_w,
 328   Xwind_nesw,
 329   Xwind_stop,
 330   Xexit,
 331   Xexit_1,
 332   Xexit_2,
 333   Xexit_3,
 334   Xdynamite,
 335   Ydynamite_eat,
 336   Xdynamite_1,
 337   Xdynamite_2,
 338   Xdynamite_3,
 339   Xdynamite_4,
 340   Xbumper,
 341   XbumperB,
 342   Xwheel,
 343   XwheelB,
 344   Xswitch,
 345   XswitchB,
 346   Xsand,
 347   Xsand_stone,
 348   Xsand_stonein_1,
 349   Xsand_stonein_2,
 350   Xsand_stonein_3,
 351   Xsand_stonein_4,
 352   Xsand_stonesand_1,
 353   Xsand_stonesand_2,
 354   Xsand_stonesand_3,
 355   Xsand_stonesand_4,
 356
 357 #ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
 358   Xsand_stonesand_quickout_1,
 359   Xsand_stonesand_quickout_2,
 360 #endif
 361
 362   Xsand_stoneout_1,
 363   Xsand_stoneout_2,
 364   Xsand_sandstone_1,
 365   Xsand_sandstone_2,
 366   Xsand_sandstone_3,
 367   Xsand_sandstone_4,
 368   Xplant,
 369   Yplant,
 370   Xlenses,
 371   Xmagnify,
 372   Xdripper,
 373   XdripperB,
 374   Xfake_blank,
 375   Xfake_blankB,
 376   Xfake_grass,
 377   Xfake_grassB,
 378   Xfake_door_1,
 379   Xfake_door_2,
 380   Xfake_door_3,
 381   Xfake_door_4,
 382   Xfake_door_5,
 383   Xfake_door_6,
 384   Xfake_door_7,
 385   Xfake_door_8,
 386
 387 #ifdef EM_ENGINE_USE_ADDITIONAL_ELEMENTS
 388   Xfake_acid_1,
 389   Xfake_acid_2,
 390   Xfake_acid_3,
 391   Xfake_acid_4,
 392   Xfake_acid_5,
 393   Xfake_acid_6,
 394   Xfake_acid_7,
 395   Xfake_acid_8,
 396 #endif
 397
 398   Xsteel_1,
 399   Xsteel_2,
 400   Xsteel_3,
 401   Xsteel_4,
 402   Xwall_1,
 403   Xwall_2,
 404   Xwall_3,
 405   Xwall_4,
 406   Xround_wall_1,
 407   Xround_wall_2,
 408   Xround_wall_3,
 409   Xround_wall_4,
 410   Xdecor_1,
 411   Xdecor_2,
 412   Xdecor_3,
 413   Xdecor_4,
 414   Xdecor_5,
 415   Xdecor_6,
 416   Xdecor_7,
 417   Xdecor_8,
 418   Xdecor_9,
 419   Xdecor_10,
 420   Xdecor_11,
 421   Xdecor_12,
 422   Xalpha_0,
 423   Xalpha_1,
 424   Xalpha_2,
 425   Xalpha_3,
 426   Xalpha_4,
 427   Xalpha_5,
 428   Xalpha_6,
 429   Xalpha_7,
 430   Xalpha_8,
 431   Xalpha_9,
 432   Xalpha_excla,
 433   Xalpha_quote,
 434   Xalpha_comma,
 435   Xalpha_minus,
 436   Xalpha_perio,
 437   Xalpha_colon,
 438   Xalpha_quest,
 439   Xalpha_a,
 440   Xalpha_b,
 441   Xalpha_c,
 442   Xalpha_d,
 443   Xalpha_e,
 444   Xalpha_f,
 445   Xalpha_g,
 446   Xalpha_h,
 447   Xalpha_i,
 448   Xalpha_j,
 449   Xalpha_k,
 450   Xalpha_l,
 451   Xalpha_m,
 452   Xalpha_n,
 453   Xalpha_o,
 454   Xalpha_p,
 455   Xalpha_q,
 456   Xalpha_r,
 457   Xalpha_s,
 458   Xalpha_t,
 459   Xalpha_u,
 460   Xalpha_v,
 461   Xalpha_w,
 462   Xalpha_x,
 463   Xalpha_y,
 464   Xalpha_z,
 465   Xalpha_arrow_e,
 466   Xalpha_arrow_w,
 467   Xalpha_copyr,
 468
 469   Xboom_bug,            /* passed from explode to synchro (linked explosion);
 470                            transition to explode_normal */
 471   Xboom_bomb,           /* passed from explode to synchro (linked explosion);
 472                            transition to explode_normal */
 473   Xboom_android,        /* passed from explode to synchro;
 474                            transition to boom_2 */
 475   Xboom_1,              /* passed from explode to synchro;
 476                            transition to boom_2 */
 477   Xboom_2,              /* transition to boom[] */
 478
 479   Znormal,              /* passed from synchro to explode, only in next[];
 480                            no picture */
 481   Zdynamite,            /* passed from synchro to explode, only in next[];
 482                            no picture */
 483   Zplayer,              /* special code to indicate player;
 484                            no picture */
 485   ZBORDER,              /* special code to indicate border;
 486                            no picture */
 487
 488   TILE_MAX
 489 };
 490
 491 /* other definitions */
 492
 493 enum
 494 {
 495   SPR_still = 0,
 496   SPR_walk  = 1,
 497   SPR_push  = 5,
 498   SPR_spray = 9,
 499
 500   SPR_MAX   = 13
 501 };
 502
 503 enum
 504 {
 505   SAMPLE_blank = 0,     /* player walks on blank */
 506   SAMPLE_roll,          /* player pushes stone/bomb/nut/spring */
 507   SAMPLE_stone,         /* stone hits ground */
 508   SAMPLE_nut,           /* nut hits ground */
 509   SAMPLE_crack,         /* stone hits nut */
 510   SAMPLE_bug,           /* bug moves */
 511   SAMPLE_tank,          /* tank moves */
 512   SAMPLE_android_clone, /* android places something */
 513   SAMPLE_android_move,  /* android moves */
 514   SAMPLE_spring,        /* spring hits ground/wall/bumper, stone hits spring */
 515   SAMPLE_slurp,         /* spring kills alien */
 516   SAMPLE_eater,         /* eater sits */
 517   SAMPLE_eater_eat,     /* eater eats diamond */
 518   SAMPLE_alien,         /* alien moves */
 519   SAMPLE_collect,       /* player collects object */
 520   SAMPLE_diamond,       /* diamond/emerald hits ground */
 521   SAMPLE_squash,        /* stone squashes diamond */
 522   SAMPLE_wonderfall,    /* object falls thru wonderwall */
 523   SAMPLE_drip,          /* drip hits ground */
 524   SAMPLE_push,          /* player pushes balloon/android */
 525   SAMPLE_dirt,          /* player walks on dirt */
 526   SAMPLE_acid,          /* acid splashes */
 527   SAMPLE_ball,          /* ball places something */
 528   SAMPLE_grow,          /* growing wall grows */
 529   SAMPLE_wonder,        /* wonderwall is active */
 530   SAMPLE_door,          /* player goes thru door (gate) */
 531   SAMPLE_exit_open,     /* exit opens */
 532   SAMPLE_exit_leave,    /* player goes into exit */
 533   SAMPLE_dynamite,      /* player places dynamite */
 534   SAMPLE_tick,          /* dynamite ticks */
 535   SAMPLE_press,         /* player presses wheel/wind/switch */
 536   SAMPLE_wheel,         /* wheel moves */
 537   SAMPLE_boom,          /* explosion */
 538   SAMPLE_time,          /* time runs out */
 539   SAMPLE_die,           /* player dies */
 540
 541   SAMPLE_MAX
 542 };
 543
 544
 545 /* ------------------------------------------------------------------------- */
 546 /* data structure definitions                                                */
 547 /* ------------------------------------------------------------------------- */
 548
 549 struct LEVEL
 550 {
 551   int home_initial;             /* number of players (initial) */
 552   int home;                     /* number of players not yet at home */
 553                                 /* 0 == all players at home */
 554
 555   int width;                    /* playfield width */
 556   int height;                   /* playfield height */
 557
 558   int time_seconds;             /* available time (seconds) */
 559   int time_initial;             /* available time (initial) */
 560   int time;                     /* time remaining (runtime) */
 561
 562   boolean killed_out_of_time;   /* kill player due to time out */
 563
 564   int required_initial;         /* emeralds needed (initial) */
 565   int required;                 /* emeralds needed (runtime) */
 566
 567   int score;                    /* score */
 568
 569   /* all below entries must be filled every time a level is read */
 570
 571   int alien_score;              /* score for killing alien */
 572   int amoeba_time;              /* amoeba speed */
 573   int android_move_cnt_initial; /* android move counter (initial) */
 574   int android_move_cnt;         /* android move counter */
 575   int android_move_time;        /* android move reset time */
 576   int android_clone_cnt_initial;/* android clone counter (initial) */
 577   int android_clone_cnt;        /* android clone counter */
 578   int android_clone_time;       /* android clone reset time */
 579   int ball_cnt;                 /* ball counter */
 580   int ball_pos;                 /* ball array pos counter */
 581   int ball_random;              /* ball is random flag */
 582   int ball_state_initial;       /* ball active flag (initial) */
 583   int ball_state;               /* ball active flag */
 584   int ball_time;                /* ball reset time */
 585   int bug_score;                /* score for killing bug */
 586   int diamond_score;            /* score for collecting diamond */
 587   int dynamite_score;           /* score for collecting dynamite */
 588   int eater_pos;                /* eater array pos */
 589   int eater_score;              /* score for killing eater */
 590   int emerald_score;            /* score for collecting emerald */
 591   int exit_score;               /* score for entering exit */
 592   int key_score;                /* score for colleting key */
 593   int lenses_cnt_initial;       /* lenses counter (initial) */
 594   int lenses_cnt;               /* lenses counter */
 595   int lenses_score;             /* score for collecting lenses */
 596   int lenses_time;              /* lenses reset time */
 597   int magnify_cnt_initial;      /* magnify counter (initial) */
 598   int magnify_cnt;              /* magnify counter */
 599   int magnify_score;            /* score for collecting magnifier */
 600   int magnify_time;             /* magnify reset time */
 601   int nut_score;                /* score for cracking nut */
 602   int shine_cnt;                /* shine counter for emerald/diamond */
 603   int slurp_score;              /* score for slurping alien */
 604   int tank_score;               /* score for killing tank */
 605   int wheel_cnt_initial;        /* wheel counter (initial) */
 606   int wheel_cnt;                /* wheel counter */
 607   int wheel_x_initial;          /* wheel x pos (initial) */
 608   int wheel_x;                  /* wheel x pos */
 609   int wheel_y_initial;          /* wheel y pos (initial) */
 610   int wheel_y;                  /* wheel y pos */
 611   int wheel_time;               /* wheel reset time */
 612   int wind_cnt_initial;         /* wind counter (initial) */
 613   int wind_cnt;                 /* wind time counter */
 614   int wind_direction_initial;   /* wind direction (initial) */
 615   int wind_direction;           /* wind direction */
 616   int wind_time;                /* wind reset time */
 617   int wonderwall_state_initial; /* wonderwall active flag (initial) */
 618   int wonderwall_state;         /* wonderwall active flag */
 619   int wonderwall_time_initial;  /* wonderwall time (initial) */
 620   int wonderwall_time;          /* wonderwall time */
 621   short eater_array[8][9];      /* eater data */
 622   short ball_array[8][8];       /* ball data */
 623   short android_array[TILE_MAX];/* android clone table */
 624   int num_ball_arrays;          /* number of ball data arrays used */
 625
 626   int exit_x, exit_y;           /* kludge for playing player exit sound */
 627 };
 628
 629 struct PLAYER
 630 {
 631   int num;
 632   int exists;
 633   int alive_initial;
 634   int alive;
 635
 636   int dynamite;
 637   int dynamite_cnt;
 638   int keys;
 639   int anim;
 640
 641   int x_initial;
 642   int y_initial;
 643   int x;
 644   int y;
 645   int oldx;
 646   int oldy;
 647
 648   int last_move_dir;
 649
 650   int joy_n:1;
 651   int joy_e:1;
 652   int joy_s:1;
 653   int joy_w:1;
 654   int joy_snap:1;
 655   int joy_drop:1;
 656   int joy_stick:1;
 657   int joy_spin:1;
 658 };
 659
 660 struct GlobalInfo_EM
 661 {
 662   Bitmap *screenbuffer;
 663 };
 664
 665 struct GameInfo_EM
 666 {
 667   boolean any_player_moving;
 668   boolean any_player_snapping;
 669
 670   boolean use_single_button;
 671   boolean use_snap_key_bug;
 672
 673   int last_moving_player;
 674   int last_player_direction[MAX_PLAYERS];
 675 };
 676
 677 struct LevelInfo_EM
 678 {
 679   int file_version;
 680
 681   short cave[EM_MAX_CAVE_WIDTH][EM_MAX_CAVE_HEIGHT];
 682
 683   struct LEVEL *lev;
 684   struct PLAYER *ply[MAX_PLAYERS];
 685
 686   /* used for runtime values */
 687   struct GameInfo_EM *game_em;
 688 };
 689
 690 struct GraphicInfo_EM
 691 {
 692   Bitmap *bitmap;
 693   int src_x, src_y;
 694   int src_offset_x, src_offset_y;
 695   int dst_offset_x, dst_offset_y;
 696   int width, height;
 697
 698   Bitmap *crumbled_bitmap;
 699   int crumbled_src_x, crumbled_src_y;
 700   int crumbled_border_size;
 701   int crumbled_tile_size;
 702
 703   boolean has_crumbled_graphics;
 704   boolean preserve_background;
 705
 706   int unique_identifier;        /* used to identify needed screen updates */
 707 };
 708
 709 struct EngineSnapshotInfo_EM
 710 {
 711   struct GameInfo_EM game_em;
 712   unsigned int RandomEM;
 713   struct LEVEL lev;
 714   struct PLAYER ply[MAX_PLAYERS];
 715   short Array[4][EM_MAX_CAVE_HEIGHT][EM_MAX_CAVE_WIDTH];
 716   int screen_x;
 717   int screen_y;
 718   int frame;
 719   short **Boom;
 720   short **Cave;
 721   short **Next;
 722   short **Draw;
 723 };
 724
 725
 726 /* ------------------------------------------------------------------------- */
 727 /* exported functions                                                        */
 728 /* ------------------------------------------------------------------------- */
 729
 730 extern struct GlobalInfo_EM global_em_info;
 731 extern struct GameInfo_EM game_em;
 732 extern struct LevelInfo_EM native_em_level;
 733 extern struct GraphicInfo_EM graphic_info_em_object[TILE_MAX][8];
 734 extern struct GraphicInfo_EM graphic_info_em_player[MAX_PLAYERS][SPR_MAX][8];
 735 extern struct EngineSnapshotInfo_EM engine_snapshot_em;
 736
 737 extern void em_open_all(void);
 738 extern void em_close_all(void);
 739
 740 extern void InitGfxBuffers_EM(void);
 741
 742 extern void InitGameEngine_EM(void);
 743 extern void GameActions_EM(byte *, boolean);
 744
 745 extern unsigned int InitEngineRandom_EM(int);
 746
 747 extern void setLevelInfoToDefaults_EM(void);
 748 extern boolean LoadNativeLevel_EM(char *, boolean);
 749
 750 extern int getFieldbufferOffsetX_EM(void);
 751 extern int getFieldbufferOffsetY_EM(void);
 752
 753 extern void BackToFront_EM(void);
 754 extern void BlitScreenToBitmap_EM(Bitmap *);
 755 extern void RedrawPlayfield_EM(boolean);
 756
 757 extern void LoadEngineSnapshotValues_EM(void);
 758 extern void SaveEngineSnapshotValues_EM(void);
 759
 760 extern boolean checkIfAllPlayersFitToScreen(void);
 761
 762 extern void tab_generate(void);
 763 extern void tab_generate_graphics_info_em(void);
 764
 765 #endif  /* EXPORT_H */