src/tape.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // tape.c
  10 // ============================================================================
  11
  12 #include "libgame/libgame.h"
  13
  14 #include "tape.h"
  15 #include "init.h"
  16 #include "game.h"
  17 #include "tools.h"
  18 #include "files.h"
  19 #include "network.h"
  20 #include "anim.h"
  21
  22 #define DEBUG_TAPE_WHEN_PLAYING                 FALSE
  23
  24 // tape button identifiers
  25 #define TAPE_CTRL_ID_EJECT                      0
  26 #define TAPE_CTRL_ID_EXTRA                      1
  27 #define TAPE_CTRL_ID_STOP                       2
  28 #define TAPE_CTRL_ID_PAUSE                      3
  29 #define TAPE_CTRL_ID_RECORD                     4
  30 #define TAPE_CTRL_ID_PLAY                       5
  31 #define TAPE_CTRL_ID_INSERT_SOLUTION            6
  32 #define TAPE_CTRL_ID_PLAY_SOLUTION              7
  33
  34 #define NUM_TAPE_BUTTONS                        8
  35
  36 // values for tape handling
  37 #define TAPE_PAUSE_SECONDS_BEFORE_DEATH         5
  38 #define TAPE_MIN_SECONDS_FOR_UNDO_BUFFER        20
  39
  40 // forward declaration for internal use
  41 static void HandleTapeButtons(struct GadgetInfo *);
  42 static void TapeStopWarpForward(void);
  43 static float GetTapeLengthSecondsFloat(void);
  44 static void CopyTapeToUndoBuffer(void);
  45
  46 static struct GadgetInfo *tape_gadget[NUM_TAPE_BUTTONS];
  47 static struct TapeInfo tape_undo_buffer;
  48
  49
  50 // ============================================================================
  51 // video tape definitions
  52 // ============================================================================
  53
  54 #define VIDEO_INFO_OFF                  (VIDEO_STATE_DATE_OFF   |       \
  55                                          VIDEO_STATE_TIME_OFF   |       \
  56                                          VIDEO_STATE_FRAME_OFF)
  57 #define VIDEO_STATE_OFF                 (VIDEO_STATE_PLAY_OFF   |       \
  58                                          VIDEO_STATE_REC_OFF    |       \
  59                                          VIDEO_STATE_PAUSE_OFF  |       \
  60                                          VIDEO_STATE_FFWD_OFF   |       \
  61                                          VIDEO_STATE_WARP_OFF   |       \
  62                                          VIDEO_STATE_WARP2_OFF  |       \
  63                                          VIDEO_STATE_PBEND_OFF  |       \
  64                                          VIDEO_STATE_1STEP_OFF)
  65 #define VIDEO_PRESS_OFF                 (VIDEO_PRESS_PLAY_OFF   |       \
  66                                          VIDEO_PRESS_REC_OFF    |       \
  67                                          VIDEO_PRESS_PAUSE_OFF  |       \
  68                                          VIDEO_PRESS_STOP_OFF   |       \
  69                                          VIDEO_PRESS_EJECT_OFF)
  70 #define VIDEO_ALL_OFF                   (VIDEO_INFO_OFF         |       \
  71                                          VIDEO_STATE_OFF        |       \
  72                                          VIDEO_PRESS_OFF)
  73
  74 #define VIDEO_INFO_ON                   (VIDEO_STATE_DATE_ON    |       \
  75                                          VIDEO_STATE_TIME_ON    |       \
  76                                          VIDEO_STATE_FRAME_ON)
  77 #define VIDEO_STATE_ON                  (VIDEO_STATE_PLAY_ON    |       \
  78                                          VIDEO_STATE_REC_ON     |       \
  79                                          VIDEO_STATE_PAUSE_ON   |       \
  80                                          VIDEO_STATE_FFWD_ON    |       \
  81                                          VIDEO_STATE_WARP_ON    |       \
  82                                          VIDEO_STATE_WARP2_ON   |       \
  83                                          VIDEO_STATE_PBEND_ON   |       \
  84                                          VIDEO_STATE_1STEP_ON)
  85 #define VIDEO_PRESS_ON                  (VIDEO_PRESS_PLAY_ON    |       \
  86                                          VIDEO_PRESS_REC_ON     |       \
  87                                          VIDEO_PRESS_PAUSE_ON   |       \
  88                                          VIDEO_PRESS_STOP_ON    |       \
  89                                          VIDEO_PRESS_EJECT_ON)
  90 #define VIDEO_ALL_ON                    (VIDEO_INFO_ON          |       \
  91                                          VIDEO_STATE_ON         |       \
  92                                          VIDEO_PRESS_ON)
  93
  94 #define VIDEO_INFO                      (VIDEO_INFO_ON | VIDEO_INFO_OFF)
  95 #define VIDEO_STATE                     (VIDEO_STATE_ON | VIDEO_STATE_OFF)
  96 #define VIDEO_PRESS                     (VIDEO_PRESS_ON | VIDEO_PRESS_OFF)
  97 #define VIDEO_ALL                       (VIDEO_ALL_ON | VIDEO_ALL_OFF)
  98
  99 #define NUM_TAPE_FUNCTIONS              11
 100 #define NUM_TAPE_FUNCTION_PARTS         2
 101 #define NUM_TAPE_FUNCTION_STATES        2
 102
 103
 104 // ============================================================================
 105 // video display functions
 106 // ============================================================================
 107
 108 static void DrawVideoDisplay_Graphics(unsigned int state, unsigned int value)
 109 {
 110   int i, j, k;
 111
 112   static struct
 113   {
 114     int graphic;
 115     struct XY *pos;
 116   }
 117   video_pos[NUM_TAPE_FUNCTIONS][NUM_TAPE_FUNCTION_PARTS] =
 118   {
 119     {
 120       { IMG_GFX_TAPE_LABEL_PLAY,                &tape.label.play        },
 121       { IMG_GFX_TAPE_SYMBOL_PLAY,               &tape.symbol.play       },
 122     },
 123     {
 124       { IMG_GFX_TAPE_LABEL_RECORD,              &tape.label.record      },
 125       { IMG_GFX_TAPE_SYMBOL_RECORD,             &tape.symbol.record     },
 126     },
 127     {
 128       { IMG_GFX_TAPE_LABEL_PAUSE,               &tape.label.pause       },
 129       { IMG_GFX_TAPE_SYMBOL_PAUSE,              &tape.symbol.pause      },
 130     },
 131     {
 132       { IMG_GFX_TAPE_LABEL_DATE,                &tape.label.date        },
 133       { -1,                                     NULL                    },
 134     },
 135     {
 136       { IMG_GFX_TAPE_LABEL_TIME,                &tape.label.time        },
 137       { -1,                                     NULL                    },
 138     },
 139     {
 140       // (no label for displaying optional frame)
 141       { -1,                                     NULL                    },
 142       { -1,                                     NULL                    },
 143     },
 144     {
 145       { IMG_GFX_TAPE_LABEL_FAST_FORWARD,        &tape.label.fast_forward  },
 146       { IMG_GFX_TAPE_SYMBOL_FAST_FORWARD,       &tape.symbol.fast_forward },
 147     },
 148     {
 149       { IMG_GFX_TAPE_LABEL_WARP_FORWARD,        &tape.label.warp_forward  },
 150       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD,       &tape.symbol.warp_forward },
 151     },
 152     {
 153       { IMG_GFX_TAPE_LABEL_WARP_FORWARD_BLIND,  &tape.label.warp_forward_blind},
 154       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD_BLIND, &tape.symbol.warp_forward_blind},
 155     },
 156     {
 157       { IMG_GFX_TAPE_LABEL_PAUSE_BEFORE_END,    &tape.label.pause_before_end  },
 158       { IMG_GFX_TAPE_SYMBOL_PAUSE_BEFORE_END,   &tape.symbol.pause_before_end },
 159     },
 160     {
 161       { IMG_GFX_TAPE_LABEL_SINGLE_STEP,         &tape.label.single_step  },
 162       { IMG_GFX_TAPE_SYMBOL_SINGLE_STEP,        &tape.symbol.single_step },
 163     },
 164   };
 165
 166   for (k = 0; k < NUM_TAPE_FUNCTION_STATES; k++)        // on or off states
 167   {
 168     for (i = 0; i < NUM_TAPE_FUNCTIONS; i++)            // record, play, ...
 169     {
 170       for (j = 0; j < NUM_TAPE_FUNCTION_PARTS; j++)     // label or symbol
 171       {
 172         int graphic = video_pos[i][j].graphic;
 173         struct XY *pos = video_pos[i][j].pos;
 174
 175         if (graphic == -1 ||
 176             pos->x == -1 ||
 177             pos->y == -1)
 178           continue;
 179
 180         if (state & (1 << (i * 2 + k)))
 181         {
 182           struct GraphicInfo *gfx_bg = &graphic_info[IMG_BACKGROUND_TAPE];
 183           struct GraphicInfo *gfx = &graphic_info[graphic];
 184           Bitmap *gd_bitmap;
 185           int gd_x, gd_y;
 186           int skip_value =
 187             (j == 0 ? VIDEO_DISPLAY_SYMBOL_ONLY : VIDEO_DISPLAY_LABEL_ONLY);
 188
 189           if (value == skip_value)
 190             continue;
 191
 192           if (k == 1)           // on
 193           {
 194             gd_bitmap = gfx->bitmap;
 195             gd_x = gfx->src_x;
 196             gd_y = gfx->src_y;
 197           }
 198           else                  // off
 199           {
 200             gd_bitmap = gfx_bg->bitmap;
 201             gd_x = gfx_bg->src_x + pos->x;
 202             gd_y = gfx_bg->src_y + pos->y;
 203           }
 204
 205           // some tape graphics may be undefined -- only draw if defined
 206           if (gd_bitmap != NULL)
 207             BlitBitmap(gd_bitmap, drawto, gd_x, gd_y, gfx->width, gfx->height,
 208                        VX + pos->x, VY + pos->y);
 209
 210           redraw_mask |= REDRAW_DOOR_2;
 211         }
 212       }
 213     }
 214   }
 215 }
 216
 217
 218 #define DATETIME_NONE                   (0)
 219
 220 #define DATETIME_DATE_YYYY              (1 << 0)
 221 #define DATETIME_DATE_YY                (1 << 1)
 222 #define DATETIME_DATE_MON               (1 << 2)
 223 #define DATETIME_DATE_MM                (1 << 3)
 224 #define DATETIME_DATE_DD                (1 << 4)
 225
 226 #define DATETIME_TIME_HH                (1 << 5)
 227 #define DATETIME_TIME_MIN               (1 << 6)
 228 #define DATETIME_TIME_MM                (1 << 7)
 229 #define DATETIME_TIME_SS                (1 << 8)
 230
 231 #define DATETIME_FRAME                  (1 << 9)
 232
 233 #define DATETIME_XOFFSET_1              (1 << 10)
 234 #define DATETIME_XOFFSET_2              (1 << 11)
 235
 236 #define DATETIME_DATE                   (DATETIME_DATE_YYYY     |       \
 237                                          DATETIME_DATE_YY       |       \
 238                                          DATETIME_DATE_MON      |       \
 239                                          DATETIME_DATE_MM       |       \
 240                                          DATETIME_DATE_DD)
 241
 242 #define DATETIME_TIME                   (DATETIME_TIME_HH       |       \
 243                                          DATETIME_TIME_MIN      |       \
 244                                          DATETIME_TIME_MM       |       \
 245                                          DATETIME_TIME_SS)
 246
 247 #define MAX_DATETIME_STRING_SIZE        32
 248
 249 static void DrawVideoDisplay_DateTime(unsigned int state, unsigned int value)
 250 {
 251   int i;
 252
 253   static char *month_shortnames[] =
 254   {
 255     "JAN",
 256     "FEB",
 257     "MAR",
 258     "APR",
 259     "MAY",
 260     "JUN",
 261     "JUL",
 262     "AUG",
 263     "SEP",
 264     "OCT",
 265     "NOV",
 266     "DEC"
 267   };
 268
 269   static struct
 270   {
 271     struct TextPosInfo *pos;
 272     int type;
 273   }
 274   datetime_info[] =
 275   {
 276     { &tape.text.date,          DATETIME_DATE_DD                        },
 277     { &tape.text.date,          DATETIME_DATE_MON | DATETIME_XOFFSET_1  },
 278     { &tape.text.date,          DATETIME_DATE_YY  | DATETIME_XOFFSET_2  },
 279     { &tape.text.date_yyyy,     DATETIME_DATE_YYYY                      },
 280     { &tape.text.date_yy,       DATETIME_DATE_YY                        },
 281     { &tape.text.date_mon,      DATETIME_DATE_MON                       },
 282     { &tape.text.date_mm,       DATETIME_DATE_MM                        },
 283     { &tape.text.date_dd,       DATETIME_DATE_DD                        },
 284
 285     { &tape.text.time,          DATETIME_TIME_MIN                       },
 286     { &tape.text.time,          DATETIME_TIME_SS  | DATETIME_XOFFSET_1  },
 287     { &tape.text.time_hh,       DATETIME_TIME_HH                        },
 288     { &tape.text.time_mm,       DATETIME_TIME_MM                        },
 289     { &tape.text.time_ss,       DATETIME_TIME_SS                        },
 290
 291     { &tape.text.frame,         DATETIME_FRAME                          },
 292
 293     { NULL,                     DATETIME_NONE                           },
 294   };
 295
 296   for (i = 0; datetime_info[i].pos != NULL; i++)
 297   {
 298     struct TextPosInfo *pos = datetime_info[i].pos;
 299     int type = datetime_info[i].type;
 300     int xpos, ypos;
 301
 302     if (pos->x == -1 &&
 303         pos->y == -1)
 304       continue;
 305
 306     xpos = VX + pos->x + (type & DATETIME_XOFFSET_1 ? pos->xoffset  :
 307                           type & DATETIME_XOFFSET_2 ? pos->xoffset2 : 0);
 308     ypos = VY + pos->y;
 309
 310     if ((type & DATETIME_DATE) && (state & VIDEO_STATE_DATE_ON))
 311     {
 312       char s[MAX_DATETIME_STRING_SIZE];
 313       int year2 = value / 10000;
 314       int year4 = (year2 < 70 ? 2000 + year2 : 1900 + year2);
 315       int month_index = (value / 100) % 100;
 316       int month = month_index + 1;
 317       int day = value % 100;
 318
 319       strcpy(s, (type & DATETIME_DATE_YYYY ? int2str(year4, 4) :
 320                  type & DATETIME_DATE_YY   ? int2str(year2, 2) :
 321                  type & DATETIME_DATE_MON  ? month_shortnames[month_index] :
 322                  type & DATETIME_DATE_MM   ? int2str(month, 2) :
 323                  type & DATETIME_DATE_DD   ? int2str(day, 2) : ""));
 324
 325       DrawText(xpos, ypos, s, pos->font);
 326     }
 327     else if ((type & DATETIME_TIME) && (state & VIDEO_STATE_TIME_ON))
 328     {
 329       char s[MAX_DATETIME_STRING_SIZE];
 330       int hh = (value / 3600) % 100;
 331       int min = value / 60;
 332       int mm = (value / 60) % 60;
 333       int ss = value % 60;
 334
 335       strcpy(s, (type & DATETIME_TIME_HH  ? int2str(hh, 2) :
 336                  type & DATETIME_TIME_MIN ? int2str(min, 2) :
 337                  type & DATETIME_TIME_MM  ? int2str(mm, 2) :
 338                  type & DATETIME_TIME_SS  ? int2str(ss, 2) : ""));
 339
 340       DrawText(xpos, ypos, s, pos->font);
 341     }
 342     else if ((type & DATETIME_FRAME) && (state & VIDEO_STATE_FRAME_ON))
 343     {
 344       DrawText(xpos, ypos, int2str(value, pos->size), pos->font);
 345     }
 346   }
 347 }
 348
 349 void DrawVideoDisplay(unsigned int state, unsigned int value)
 350 {
 351   DrawVideoDisplay_Graphics(state, value);
 352   DrawVideoDisplay_DateTime(state, value);
 353 }
 354
 355 static void DrawVideoDisplayLabel(unsigned int state)
 356 {
 357   DrawVideoDisplay(state, VIDEO_DISPLAY_LABEL_ONLY);
 358 }
 359
 360 static void DrawVideoDisplaySymbol(unsigned int state)
 361 {
 362   DrawVideoDisplay(state, VIDEO_DISPLAY_SYMBOL_ONLY);
 363 }
 364
 365 static void DrawVideoDisplayCurrentState(void)
 366 {
 367   int state = 0;
 368
 369   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 370
 371   if (tape.pausing)
 372     state |= VIDEO_STATE_PAUSE_ON;
 373
 374   if (tape.recording)
 375   {
 376     state |= VIDEO_STATE_REC_ON;
 377
 378     if (tape.single_step)
 379       state |= VIDEO_STATE_1STEP_ON;
 380   }
 381   else if (tape.playing)
 382   {
 383     state |= VIDEO_STATE_PLAY_ON;
 384
 385     if (!tape.pausing)
 386     {
 387       if (tape.deactivate_display)
 388         state |= VIDEO_STATE_WARP2_ON;
 389       else if (tape.warp_forward)
 390         state |= VIDEO_STATE_WARP_ON;
 391       else if (tape.fast_forward)
 392         state |= VIDEO_STATE_FFWD_ON;
 393
 394       if (tape.pause_before_end)
 395         state |= VIDEO_STATE_PBEND_ON;
 396     }
 397   }
 398
 399   // draw labels and symbols separately to prevent labels overlapping symbols
 400   DrawVideoDisplayLabel(state);
 401   DrawVideoDisplaySymbol(state);
 402 }
 403
 404 void DrawCompleteVideoDisplay(void)
 405 {
 406   struct GraphicInfo *g_tape = &graphic_info[IMG_BACKGROUND_TAPE];
 407
 408   // draw tape background
 409   BlitBitmap(g_tape->bitmap, drawto, g_tape->src_x, g_tape->src_y,
 410              gfx.vxsize, gfx.vysize, gfx.vx, gfx.vy);
 411
 412   // draw tape buttons (forced)
 413   RedrawOrRemapTapeButtons();
 414
 415   DrawVideoDisplay(VIDEO_ALL_OFF, 0);
 416
 417   if (tape.recording)
 418   {
 419     DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 420     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 421     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 422     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 423
 424     if (tape.pausing)
 425       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
 426   }
 427   else if (tape.playing)
 428   {
 429     DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 430     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 431     DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 432     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 433
 434     if (tape.pausing)
 435       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
 436   }
 437   else if (tape.date && tape.length)
 438   {
 439     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 440     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 441     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 442   }
 443
 444   BlitBitmap(drawto, bitmap_db_door_2, gfx.vx, gfx.vy, gfx.vxsize, gfx.vysize,
 445              0, 0);
 446 }
 447
 448 void TapeDeactivateDisplayOn(void)
 449 {
 450   SetDrawDeactivationMask(REDRAW_FIELD);
 451   audio.sound_deactivated = TRUE;
 452 }
 453
 454 void TapeDeactivateDisplayOff(boolean redraw_display)
 455 {
 456   SetDrawDeactivationMask(REDRAW_NONE);
 457   audio.sound_deactivated = FALSE;
 458
 459   if (redraw_display)
 460   {
 461     RedrawPlayfield();
 462
 463     UpdateGameDoorValues();
 464     DrawGameDoorValues();
 465   }
 466 }
 467
 468
 469 // ============================================================================
 470 // tape logging functions
 471 // ============================================================================
 472
 473 static char tape_patch_info[MAX_OUTPUT_LINESIZE];
 474
 475 static void PrintTapeReplayProgress(boolean replay_finished)
 476 {
 477   static unsigned int counter_last = -1;
 478   unsigned int counter = Counter();
 479   unsigned int counter_seconds  = counter / 1000;
 480
 481   if (!replay_finished)
 482   {
 483     unsigned int counter_delay = 50;
 484
 485     if (counter > counter_last + counter_delay)
 486     {
 487       PrintNoLog("\r");
 488       PrintNoLog("Tape %03d %s[%02d:%02d]: [%02d:%02d] - playing tape ... ",
 489                  level_nr,  tape_patch_info,
 490                  tape.length_seconds / 60, tape.length_seconds % 60,
 491                  TapeTime / 60, TapeTime % 60);
 492
 493       counter_last = counter;
 494     }
 495   }
 496   else
 497   {
 498     float tape_length_seconds = GetTapeLengthSecondsFloat();
 499
 500     PrintNoLog("\r");
 501     Print("Tape %03d %s[%02d:%02d]: (%02d:%02d.%03d / %.2f %%) - %s.\n",
 502           level_nr, tape_patch_info,
 503           tape.length_seconds / 60, tape.length_seconds % 60,
 504           counter_seconds / 60, counter_seconds % 60, counter % 1000,
 505           (float)counter / tape_length_seconds / 10,
 506           tape.auto_play_level_fixed ? "solved and fixed" :
 507           tape.auto_play_level_solved ? "solved" :
 508           tape.auto_play_level_not_fixable ? "NOT SOLVED, NOT FIXED" :
 509           "NOT SOLVED");
 510
 511     counter_last = -1;
 512   }
 513 }
 514
 515
 516 // ============================================================================
 517 // tape control functions
 518 // ============================================================================
 519
 520 void TapeSetDateFromEpochSeconds(time_t epoch_seconds)
 521 {
 522   struct tm *lt = localtime(&epoch_seconds);
 523
 524   tape.date = 10000 * (lt->tm_year % 100) + 100 * lt->tm_mon + lt->tm_mday;
 525 }
 526
 527 void TapeSetDateFromNow(void)
 528 {
 529   TapeSetDateFromEpochSeconds(time(NULL));
 530 }
 531
 532 void TapeErase(void)
 533 {
 534   int i;
 535
 536   CopyTapeToUndoBuffer();
 537
 538   tape.counter = 0;
 539   tape.length = 0;
 540   tape.length_frames = 0;
 541   tape.length_seconds = 0;
 542
 543   if (leveldir_current)
 544   {
 545     strncpy(tape.level_identifier, leveldir_current->identifier,
 546             MAX_FILENAME_LEN);
 547     tape.level_identifier[MAX_FILENAME_LEN] = '\0';
 548   }
 549
 550   tape.level_nr = level_nr;
 551   tape.pos[tape.counter].delay = 0;
 552   tape.changed = TRUE;
 553
 554   tape.random_seed = InitRND(level.random_seed);
 555
 556   tape.file_version = FILE_VERSION_ACTUAL;
 557   tape.game_version = GAME_VERSION_ACTUAL;
 558   tape.engine_version = level.game_version;
 559
 560   TapeSetDateFromNow();
 561
 562   for (i = 0; i < MAX_PLAYERS; i++)
 563     tape.player_participates[i] = FALSE;
 564
 565   tape.centered_player_nr_next = -1;
 566   tape.set_centered_player = FALSE;
 567
 568   // set flags for game actions to default values (may be overwritten later)
 569   tape.use_key_actions = TRUE;
 570   tape.use_mouse_actions = FALSE;
 571 }
 572
 573 static void TapeRewind(void)
 574 {
 575   tape.counter = 0;
 576   tape.delay_played = 0;
 577   tape.pause_before_end = FALSE;
 578   tape.recording = FALSE;
 579   tape.playing = FALSE;
 580   tape.fast_forward = FALSE;
 581   tape.warp_forward = FALSE;
 582   tape.deactivate_display = FALSE;
 583   tape.auto_play = (global.autoplay_leveldir != NULL);
 584   tape.auto_play_level_solved = FALSE;
 585   tape.auto_play_level_fixed = FALSE;
 586   tape.auto_play_level_not_fixable = FALSE;
 587   tape.quick_resume = FALSE;
 588   tape.single_step = FALSE;
 589
 590   tape.centered_player_nr_next = -1;
 591   tape.set_centered_player = FALSE;
 592
 593   InitRND(tape.random_seed);
 594 }
 595
 596 static void TapeSetRandomSeed(int random_seed)
 597 {
 598   tape.random_seed = InitRND(random_seed);
 599 }
 600
 601 void TapeStartRecording(int random_seed)
 602 {
 603   if (!TAPE_IS_STOPPED(tape))
 604     TapeStop();
 605
 606   TapeErase();
 607   TapeRewind();
 608   TapeSetRandomSeed(random_seed);
 609
 610   tape.recording = TRUE;
 611
 612   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 613   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 614   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 615   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 616
 617   MapTapeWarpButton();
 618
 619   SetDrawDeactivationMask(REDRAW_NONE);
 620   audio.sound_deactivated = FALSE;
 621
 622   // required here to update video display if tape door is closed
 623   if (GetDoorState() & DOOR_CLOSE_2)
 624     OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
 625 }
 626
 627 static void TapeStartGameRecording(void)
 628 {
 629   StartGameActions(network.enabled, TRUE, level.random_seed);
 630 }
 631
 632 static void TapeAppendRecording(void)
 633 {
 634   if (!tape.playing || !tape.pausing)
 635     return;
 636
 637   // stop playing
 638   tape.playing = FALSE;
 639   tape.fast_forward = FALSE;
 640   tape.warp_forward = FALSE;
 641   tape.pause_before_end = FALSE;
 642   tape.deactivate_display = FALSE;
 643
 644   // start recording
 645   tape.recording = TRUE;
 646   tape.changed = TRUE;
 647
 648   // set current delay (for last played move)
 649   tape.pos[tape.counter].delay = tape.delay_played;
 650
 651   // set current date
 652   TapeSetDateFromNow();
 653
 654   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 655   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
 656
 657   UpdateAndDisplayGameControlValues();
 658 }
 659
 660 void TapeHaltRecording(void)
 661 {
 662   tape.counter++;
 663
 664   // initialize delay for next tape entry (to be able to continue recording)
 665   if (tape.counter < MAX_TAPE_LEN)
 666     tape.pos[tape.counter].delay = 0;
 667
 668   tape.length = tape.counter;
 669   tape.length_frames = GetTapeLengthFrames();
 670   tape.length_seconds = GetTapeLengthSeconds();
 671 }
 672
 673 void TapeStopRecording(void)
 674 {
 675   if (tape.recording)
 676     TapeHaltRecording();
 677
 678   tape.recording = FALSE;
 679   tape.pausing = FALSE;
 680
 681   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
 682   MapTapeEjectButton();
 683 }
 684
 685 boolean TapeAddAction(byte action[MAX_TAPE_ACTIONS])
 686 {
 687   int i;
 688
 689   if (tape.pos[tape.counter].delay > 0)         // already stored action
 690   {
 691     boolean changed_events = FALSE;
 692
 693     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 694       if (tape.pos[tape.counter].action[i] != action[i])
 695         changed_events = TRUE;
 696
 697     if (changed_events || tape.pos[tape.counter].delay >= 255)
 698     {
 699       if (tape.counter >= MAX_TAPE_LEN - 1)
 700         return FALSE;
 701
 702       tape.counter++;
 703       tape.pos[tape.counter].delay = 0;
 704     }
 705     else
 706       tape.pos[tape.counter].delay++;
 707   }
 708
 709   if (tape.pos[tape.counter].delay == 0)        // store new action
 710   {
 711     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 712       tape.pos[tape.counter].action[i] = action[i];
 713
 714     tape.pos[tape.counter].delay++;
 715   }
 716
 717   return TRUE;
 718 }
 719
 720 void TapeRecordAction(byte action_raw[MAX_TAPE_ACTIONS])
 721 {
 722   byte action[MAX_TAPE_ACTIONS];
 723   int i;
 724
 725   if (!tape.recording)          // (record action even when tape is paused)
 726     return;
 727
 728   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 729     action[i] = action_raw[i];
 730
 731   if (tape.use_key_actions && tape.set_centered_player)
 732   {
 733     for (i = 0; i < MAX_PLAYERS; i++)
 734       if (tape.centered_player_nr_next == i ||
 735           tape.centered_player_nr_next == -1)
 736         action[i] |= KEY_SET_FOCUS;
 737
 738     tape.set_centered_player = FALSE;
 739   }
 740
 741   if (!TapeAddAction(action))
 742     TapeStopRecording();
 743 }
 744
 745 void TapeTogglePause(boolean toggle_mode)
 746 {
 747   if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
 748   {
 749     // continue playing in normal mode
 750     tape.fast_forward = FALSE;
 751     tape.warp_forward = FALSE;
 752     tape.deactivate_display = FALSE;
 753
 754     tape.pause_before_end = FALSE;
 755   }
 756
 757   tape.pausing = !tape.pausing;
 758
 759   if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
 760     tape.single_step = FALSE;
 761
 762   DrawVideoDisplayCurrentState();
 763
 764   if (tape.deactivate_display)
 765   {
 766     if (tape.pausing)
 767       TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 768     else
 769       TapeDeactivateDisplayOn();
 770   }
 771
 772   if (tape.quick_resume)
 773   {
 774     tape.quick_resume = FALSE;
 775
 776     TapeStopWarpForward();
 777     TapeAppendRecording();
 778
 779     if (!CheckEngineSnapshotSingle())
 780       SaveEngineSnapshotSingle();
 781
 782     // restart step/move snapshots after quick loading tape
 783     SaveEngineSnapshotToListInitial();
 784
 785     // do not map undo/redo buttons after quick loading tape
 786     return;
 787   }
 788
 789   if (game_status == GAME_MODE_PLAYING)
 790   {
 791     if (setup.show_snapshot_buttons && CheckEngineSnapshotList())
 792     {
 793       if (tape.pausing)
 794         MapUndoRedoButtons();
 795       else if (!tape.single_step)
 796         UnmapUndoRedoButtons();
 797     }
 798
 799     ModifyPauseButtons();
 800   }
 801 }
 802
 803 void TapeStartPlaying(void)
 804 {
 805   if (TAPE_IS_EMPTY(tape))
 806     return;
 807
 808   if (!TAPE_IS_STOPPED(tape))
 809     TapeStop();
 810
 811   TapeRewind();
 812
 813   tape.playing = TRUE;
 814
 815   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 816   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 817   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 818   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 819
 820   MapTapeWarpButton();
 821
 822   SetDrawDeactivationMask(REDRAW_NONE);
 823   audio.sound_deactivated = FALSE;
 824 }
 825
 826 static void TapeStartGamePlaying(void)
 827 {
 828   TapeStartPlaying();
 829
 830   InitGame();
 831 }
 832
 833 void TapeStopPlaying(void)
 834 {
 835   tape.playing = FALSE;
 836   tape.pausing = FALSE;
 837
 838   if (tape.warp_forward)
 839     TapeStopWarpForward();
 840
 841   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 842   MapTapeEjectButton();
 843 }
 844
 845 byte *TapePlayAction(void)
 846 {
 847   int update_delay = FRAMES_PER_SECOND / 2;
 848   boolean update_video_display = (FrameCounter % update_delay == 0);
 849   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
 850   static byte action[MAX_TAPE_ACTIONS];
 851   int i;
 852
 853   if (!tape.playing || tape.pausing)
 854     return NULL;
 855
 856   if (tape.pause_before_end)  // stop some seconds before end of tape
 857   {
 858     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
 859     {
 860       TapeStopWarpForward();
 861       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 862
 863       return NULL;
 864     }
 865   }
 866
 867   if (tape.counter >= tape.length)      // end of tape reached
 868   {
 869     if (tape.warp_forward && !tape.auto_play)
 870     {
 871       TapeStopWarpForward();
 872       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 873     }
 874     else
 875     {
 876       TapeStop();
 877     }
 878
 879     return NULL;
 880   }
 881
 882   if (update_video_display && !tape.deactivate_display)
 883   {
 884     int state = 0;
 885
 886     if (tape.warp_forward)
 887       state |= VIDEO_STATE_WARP(update_draw_label_on);
 888     else if (tape.fast_forward)
 889       state |= VIDEO_STATE_FFWD(update_draw_label_on);
 890
 891     if (tape.pause_before_end)
 892       state |= VIDEO_STATE_PBEND(update_draw_label_on);
 893
 894     // draw labels and symbols separately to prevent labels overlapping symbols
 895     DrawVideoDisplayLabel(state);
 896     DrawVideoDisplaySymbol(state);
 897   }
 898
 899   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 900     action[i] = tape.pos[tape.counter].action[i];
 901
 902 #if DEBUG_TAPE_WHEN_PLAYING
 903   DebugContinued("", "%05d", FrameCounter);
 904   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 905     DebugContinued("", "   %08x", action[i]);
 906   DebugContinued("tape:play", "\n");
 907 #endif
 908
 909   tape.set_centered_player = FALSE;
 910   tape.centered_player_nr_next = -999;
 911
 912   if (tape.use_key_actions)
 913   {
 914     for (i = 0; i < MAX_PLAYERS; i++)
 915     {
 916       if (action[i] & KEY_SET_FOCUS)
 917       {
 918         tape.set_centered_player = TRUE;
 919         tape.centered_player_nr_next =
 920           (tape.centered_player_nr_next == -999 ? i : -1);
 921       }
 922
 923       action[i] &= ~KEY_SET_FOCUS;
 924     }
 925   }
 926
 927   tape.delay_played++;
 928   if (tape.delay_played >= tape.pos[tape.counter].delay)
 929   {
 930     tape.counter++;
 931     tape.delay_played = 0;
 932   }
 933
 934   if (tape.auto_play)
 935     PrintTapeReplayProgress(FALSE);
 936
 937   return action;
 938 }
 939
 940 void TapeStop(void)
 941 {
 942   if (tape.pausing)
 943     TapeTogglePause(TAPE_TOGGLE_MANUAL);
 944
 945   TapeStopRecording();
 946   TapeStopPlaying();
 947
 948   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 949
 950   if (tape.date && tape.length)
 951   {
 952     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 953     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 954     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 955   }
 956 }
 957
 958 unsigned int GetTapeLengthFrames(void)
 959 {
 960   unsigned int tape_length_frames = 0;
 961   int i;
 962
 963   if (TAPE_IS_EMPTY(tape))
 964     return 0;
 965
 966   for (i = 0; i < tape.length; i++)
 967     tape_length_frames += tape.pos[i].delay;
 968
 969   return tape_length_frames;
 970 }
 971
 972 unsigned int GetTapeLengthSeconds(void)
 973 {
 974   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 975 }
 976
 977 static float GetTapeLengthSecondsFloat(void)
 978 {
 979   return ((float)GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 980 }
 981
 982 static void TapeStartWarpForward(int mode)
 983 {
 984   tape.fast_forward = (mode & AUTOPLAY_FFWD);
 985   tape.warp_forward = (mode & AUTOPLAY_WARP);
 986   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
 987
 988   tape.pausing = FALSE;
 989
 990   if (tape.deactivate_display)
 991     TapeDeactivateDisplayOn();
 992
 993   DrawVideoDisplayCurrentState();
 994 }
 995
 996 static void TapeStopWarpForward(void)
 997 {
 998   tape.fast_forward = FALSE;
 999   tape.warp_forward = FALSE;
1000   tape.deactivate_display = FALSE;
1001
1002   tape.pause_before_end = FALSE;
1003
1004   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1005
1006   DrawVideoDisplayCurrentState();
1007 }
1008
1009 static void TapeSingleStep(void)
1010 {
1011   if (network.enabled)
1012     return;
1013
1014   if (!tape.pausing)
1015     TapeTogglePause(TAPE_TOGGLE_MANUAL);
1016
1017   tape.single_step = !tape.single_step;
1018
1019   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
1020 }
1021
1022 void TapeQuickSave(void)
1023 {
1024   if (game_status == GAME_MODE_MAIN)
1025   {
1026     Request("No game that can be saved!", REQ_CONFIRM);
1027
1028     return;
1029   }
1030
1031   if (game_status != GAME_MODE_PLAYING)
1032     return;
1033
1034   if (tape.recording)
1035     TapeHaltRecording();        // prepare tape for saving on-the-fly
1036
1037   if (TAPE_IS_EMPTY(tape))
1038   {
1039     Request("No tape that can be saved!", REQ_CONFIRM);
1040
1041     return;
1042   }
1043
1044   if (SaveTapeChecked(tape.level_nr))
1045     SaveEngineSnapshotSingle();
1046 }
1047
1048 void TapeQuickLoad(void)
1049 {
1050   char *filename = getTapeFilename(level_nr);
1051
1052   if (!fileExists(filename))
1053   {
1054     Request("No tape for this level!", REQ_CONFIRM);
1055
1056     return;
1057   }
1058
1059   if (tape.recording && !Request("Stop recording and load tape?",
1060                                  REQ_ASK | REQ_STAY_CLOSED))
1061   {
1062     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1063
1064     return;
1065   }
1066
1067   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1068     return;
1069
1070   if (CheckEngineSnapshotSingle())
1071   {
1072     TapeStartGamePlaying();
1073
1074     LoadEngineSnapshotSingle();
1075
1076     DrawCompleteVideoDisplay();
1077
1078     tape.playing = TRUE;
1079     tape.pausing = TRUE;
1080
1081     TapeStopWarpForward();
1082     TapeAppendRecording();
1083
1084     // restart step/move snapshots after quick loading tape
1085     SaveEngineSnapshotToListInitial();
1086
1087     if (FrameCounter > 0)
1088       return;
1089   }
1090
1091   TapeStop();
1092   TapeErase();
1093
1094   LoadTape(level_nr);
1095
1096   if (!TAPE_IS_EMPTY(tape))
1097   {
1098     TapeStartGamePlaying();
1099     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1100
1101     tape.quick_resume = TRUE;
1102   }
1103   else  // this should not happen (basically checked above)
1104   {
1105     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1106
1107     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1108   }
1109 }
1110
1111 boolean hasSolutionTape(void)
1112 {
1113   boolean tape_file_exists = fileExists(getSolutionTapeFilename(level_nr));
1114   boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
1115                             level.native_sp_level->demo.is_available);
1116
1117   return (tape_file_exists || level_has_tape);
1118 }
1119
1120 boolean InsertSolutionTape(void)
1121 {
1122   if (!hasSolutionTape())
1123   {
1124     Request("No solution tape for this level!", REQ_CONFIRM);
1125
1126     return FALSE;
1127   }
1128
1129   if (!TAPE_IS_STOPPED(tape))
1130     TapeStop();
1131
1132   // if tape recorder already contains a tape, remove it without asking
1133   TapeErase();
1134
1135   LoadSolutionTape(level_nr);
1136
1137   DrawCompleteVideoDisplay();
1138
1139   if (TAPE_IS_EMPTY(tape))
1140   {
1141     Request("Loading solution tape for this level failed!", REQ_CONFIRM);
1142
1143     return FALSE;
1144   }
1145
1146   return TRUE;
1147 }
1148
1149 boolean PlaySolutionTape(void)
1150 {
1151   if (!InsertSolutionTape())
1152     return FALSE;
1153
1154   TapeStartGamePlaying();
1155
1156   return TRUE;
1157 }
1158
1159 static boolean checkTapesFromSameLevel(struct TapeInfo *t1, struct TapeInfo *t2)
1160 {
1161   return (strEqual(t1->level_identifier, t2->level_identifier) &&
1162           t1->level_nr == t2->level_nr);
1163 }
1164
1165 static void CopyTape(struct TapeInfo *tape_from, struct TapeInfo *tape_to)
1166 {
1167   *tape_to = *tape_from;
1168 }
1169
1170 static void SwapTapes(struct TapeInfo *t1, struct TapeInfo *t2)
1171 {
1172   struct TapeInfo tmp = *t1;
1173
1174   *t1 = *t2;
1175   *t2 = tmp;
1176 }
1177
1178 static void CopyTapeToUndoBuffer(void)
1179 {
1180   // copy tapes to undo buffer if large enough (or larger than last undo tape)
1181   // or if the last undo tape is from a different level set or level number
1182   if (tape.length_seconds >= TAPE_MIN_SECONDS_FOR_UNDO_BUFFER ||
1183       tape.length_seconds >= tape_undo_buffer.length_seconds ||
1184       !checkTapesFromSameLevel(&tape, &tape_undo_buffer))
1185   {
1186     CopyTape(&tape, &tape_undo_buffer);
1187   }
1188 }
1189
1190 void UndoTape(void)
1191 {
1192   // only undo tapes from same level set and with same level number
1193   if (!checkTapesFromSameLevel(&tape, &tape_undo_buffer))
1194     return;
1195
1196   if (!TAPE_IS_STOPPED(tape))
1197     TapeStop();
1198
1199   // swap last recorded tape with undo buffer, so undo can be reversed
1200   SwapTapes(&tape, &tape_undo_buffer);
1201
1202   DrawCompleteVideoDisplay();
1203 }
1204
1205 void FixTape_ForceSinglePlayer(void)
1206 {
1207   int i;
1208
1209   /* fix single-player tapes that contain player input for more than one
1210      player (due to a bug in 3.3.1.2 and earlier versions), which results
1211      in playing levels with more than one player in multi-player mode,
1212      even though the tape was originally recorded in single-player mode */
1213
1214   // remove player input actions for all players but the first one
1215   for (i = 1; i < MAX_PLAYERS; i++)
1216     tape.player_participates[i] = FALSE;
1217
1218   tape.changed = TRUE;
1219 }
1220
1221
1222 // ----------------------------------------------------------------------------
1223 // tape autoplay functions
1224 // ----------------------------------------------------------------------------
1225
1226 void AutoPlayTapes(void)
1227 {
1228   static LevelDirTree *autoplay_leveldir = NULL;
1229   static boolean autoplay_initialized = FALSE;
1230   static int autoplay_level_nr = -1;
1231   static int num_levels_played = 0;
1232   static int num_levels_solved = 0;
1233   static int num_tapes_patched = 0;
1234   static int num_tape_missing = 0;
1235   static boolean level_failed[MAX_TAPES_PER_SET];
1236   static int patch_nr = 0;
1237   static char *patch_name[] =
1238   {
1239     "original tape",
1240     "em_random_bug",
1241     "screen_34x34",
1242
1243     NULL
1244   };
1245   static int patch_version_first[] =
1246   {
1247     VERSION_IDENT(0,0,0,0),
1248     VERSION_IDENT(3,3,1,0),
1249     VERSION_IDENT(0,0,0,0),
1250
1251     -1
1252   };
1253   static int patch_version_last[] =
1254   {
1255     VERSION_IDENT(9,9,9,9),
1256     VERSION_IDENT(4,0,1,1),
1257     VERSION_IDENT(4,2,2,0),
1258
1259     -1
1260   };
1261   static byte patch_property_bit[] =
1262   {
1263     TAPE_PROPERTY_NONE,
1264     TAPE_PROPERTY_EM_RANDOM_BUG,
1265     TAPE_PROPERTY_NONE,
1266
1267     -1
1268   };
1269   int i;
1270
1271   if (autoplay_initialized)
1272   {
1273     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1274     {
1275       if (tape.auto_play_level_solved)
1276       {
1277         if (patch_nr > 0)
1278         {
1279           // level solved by patched tape -- save fixed tape
1280           char *filename = getTapeFilename(level_nr);
1281           char *filename_orig = getStringCat2(filename, ".orig");
1282
1283           // create backup from old tape, if not yet existing
1284           if (!fileExists(filename_orig))
1285             rename(filename, filename_orig);
1286
1287           SaveTapeToFilename(filename);
1288
1289           tape.auto_play_level_fixed = TRUE;
1290           num_tapes_patched++;
1291         }
1292
1293         // continue with next tape
1294         patch_nr = 0;
1295       }
1296       else if (patch_name[patch_nr + 1] != NULL)
1297       {
1298         // level not solved by patched tape -- continue with next patch
1299         patch_nr++;
1300       }
1301       else
1302       {
1303         // level not solved by any patched tape -- continue with next tape
1304         tape.auto_play_level_not_fixable = TRUE;
1305         patch_nr = 0;
1306       }
1307     }
1308
1309     // just finished auto-playing tape
1310     PrintTapeReplayProgress(TRUE);
1311
1312     if (patch_nr == 0)
1313       num_levels_played++;
1314
1315     if (tape.auto_play_level_solved)
1316       num_levels_solved++;
1317
1318     if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1319       level_failed[level_nr] = !tape.auto_play_level_solved;
1320   }
1321   else
1322   {
1323     DrawCompleteVideoDisplay();
1324
1325     audio.sound_enabled = FALSE;
1326     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1327
1328     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1329                                                   global.autoplay_leveldir);
1330
1331     if (autoplay_leveldir == NULL)
1332       Fail("no such level identifier: '%s'", global.autoplay_leveldir);
1333
1334     leveldir_current = autoplay_leveldir;
1335
1336     if (autoplay_leveldir->first_level < 0)
1337       autoplay_leveldir->first_level = 0;
1338     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1339       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1340
1341     autoplay_level_nr = autoplay_leveldir->first_level;
1342
1343     PrintLine("=", 79);
1344     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1345       Print("Automatically fixing level tapes\n");
1346     else
1347       Print("Automatically playing level tapes\n");
1348     PrintLine("-", 79);
1349     Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1350     Print("Level series name:       '%s'\n", autoplay_leveldir->name);
1351     Print("Level series author:     '%s'\n", autoplay_leveldir->author);
1352     Print("Number of levels:        %d\n",   autoplay_leveldir->levels);
1353     PrintLine("=", 79);
1354     Print("\n");
1355
1356     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1357       level_failed[i] = FALSE;
1358
1359     // only private tapes may be modified
1360     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1361       options.mytapes = TRUE;
1362
1363     autoplay_initialized = TRUE;
1364   }
1365
1366   while (1)
1367   {
1368     if (global.autoplay_mode != AUTOPLAY_MODE_FIX || patch_nr == 0)
1369       level_nr = autoplay_level_nr++;
1370
1371     if (level_nr > autoplay_leveldir->last_level)
1372       break;
1373
1374     // set patch info (required for progress output)
1375     strcpy(tape_patch_info, "");
1376     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1377       snprintf(tape_patch_info, MAX_OUTPUT_LINESIZE, "[%-13s] ",
1378                patch_name[patch_nr]);
1379
1380     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1381       continue;
1382
1383     TapeErase();
1384
1385     LoadLevel(level_nr);
1386
1387     if (level.no_level_file || level.no_valid_file)
1388     {
1389       Print("Tape %03d: (no level found)\n", level_nr);
1390
1391       continue;
1392     }
1393
1394 #if 0
1395     // ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY
1396     Print("Tape %03d: (only testing level)\n", level_nr);
1397     continue;
1398 #endif
1399
1400     if (options.mytapes)
1401       LoadTape(level_nr);
1402     else
1403       LoadSolutionTape(level_nr);
1404
1405     if (tape.no_valid_file)
1406     {
1407       num_tape_missing++;
1408
1409       Print("Tape %03d: (no tape found)\n", level_nr);
1410
1411       continue;
1412     }
1413
1414     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1415     {
1416       boolean skip_patch = FALSE;
1417
1418       if (tape.engine_version < patch_version_first[patch_nr] ||
1419           tape.engine_version > patch_version_last[patch_nr])
1420       {
1421         Print("Tape %03d %s[%02d:%02d]: (%s %d.%d.%d.%d) - skipped.\n",
1422               level_nr,  tape_patch_info,
1423               tape.length_seconds / 60, tape.length_seconds % 60,
1424               "not suitable for version",
1425               (tape.engine_version / 1000000) % 100,
1426               (tape.engine_version / 10000  ) % 100,
1427               (tape.engine_version / 100    ) % 100,
1428               (tape.engine_version          ) % 100);
1429
1430         skip_patch = TRUE;
1431       }
1432
1433       if (strEqual(patch_name[patch_nr], "screen_34x34") &&
1434           tape.num_participating_players == 1)
1435       {
1436         Print("Tape %03d %s[%02d:%02d]: (%s) - skipped.\n",
1437               level_nr,  tape_patch_info,
1438               tape.length_seconds / 60, tape.length_seconds % 60,
1439               "not suitable for single player tapes");
1440
1441         skip_patch = TRUE;
1442       }
1443
1444       if (skip_patch)
1445       {
1446         if (patch_name[patch_nr + 1] != NULL)
1447         {
1448           // continue with next patch
1449           patch_nr++;
1450         }
1451         else
1452         {
1453           // continue with next tape
1454           patch_nr = 0;
1455         }
1456
1457         continue;
1458       }
1459
1460       if (strEqual(patch_name[patch_nr], "screen_34x34"))
1461       {
1462         tape.scr_fieldx = SCR_FIELDX_DEFAULT * 2;
1463         tape.scr_fieldy = SCR_FIELDY_DEFAULT * 2;
1464       }
1465       else
1466       {
1467         tape.property_bits |= patch_property_bit[patch_nr];
1468       }
1469     }
1470
1471     InitCounter();
1472
1473     TapeStartGamePlaying();
1474     TapeStartWarpForward(global.autoplay_mode);
1475
1476     return;
1477   }
1478
1479   Print("\n");
1480   PrintLine("=", 79);
1481   Print("Number of levels played: %d\n", num_levels_played);
1482   Print("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1483         (num_levels_played ? num_levels_solved * 100 / num_levels_played : 0));
1484   if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1485     Print("Number of tapes fixed: %d\n", num_tapes_patched);
1486   PrintLine("-", 79);
1487   Print("Summary (for automatic parsing by scripts):\n");
1488   Print("LEVELDIR [%s] '%s', SOLVED %d/%d (%d%%)",
1489         (num_levels_played == num_levels_solved ? " OK " : "WARN"),
1490         autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1491         (num_levels_played ? num_levels_solved * 100 / num_levels_played : 0));
1492
1493   if (num_levels_played != num_levels_solved)
1494   {
1495     Print(", FAILED:");
1496     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1497       if (level_failed[i])
1498         Print(" %03d", i);
1499   }
1500
1501   Print("\n");
1502   PrintLine("=", 79);
1503
1504   CloseAllAndExit(0);
1505 }
1506
1507
1508 // ----------------------------------------------------------------------------
1509 // tape patch functions
1510 // ----------------------------------------------------------------------------
1511
1512 static boolean PatchTape(struct TapeInfo *tape, char *mode)
1513 {
1514   Print("[%d.%d.%d.%d]: ",
1515         (tape->engine_version / 1000000) % 100,
1516         (tape->engine_version / 10000  ) % 100,
1517         (tape->engine_version / 100    ) % 100,
1518         (tape->engine_version          ) % 100);
1519
1520   if (strEqual(mode, "info"))
1521   {
1522     Print("property bits == 0x%02x\n", tape->property_bits);
1523
1524     return FALSE;
1525   }
1526
1527   boolean unpatch_tape = FALSE;
1528   boolean use_property_bit = FALSE;
1529   byte property_bitmask = 0;
1530
1531   if (strSuffix(mode, ":0") ||
1532       strSuffix(mode, ":off") ||
1533       strSuffix(mode, ":clear"))
1534     unpatch_tape = TRUE;
1535
1536   if (strEqual(mode, "em_random_bug") || strPrefix(mode, "em_random_bug:"))
1537   {
1538     // this bug was introduced in version 3.3.1.0 and fixed in version 4.0.1.2
1539     if (tape->engine_version <  VERSION_IDENT(3,3,1,0) ||
1540         tape->engine_version >= VERSION_IDENT(4,0,1,2))
1541     {
1542       Print("This tape version cannot be patched against EM random bug!\n");
1543
1544       return FALSE;
1545     }
1546
1547     property_bitmask = TAPE_PROPERTY_EM_RANDOM_BUG;
1548
1549     use_property_bit = TRUE;
1550   }
1551   else if (strEqual(mode, "screen_34x34") || strPrefix(mode, "screen_34x34:"))
1552   {
1553     // this bug only affects team mode tapes
1554     if (tape->num_participating_players == 1)
1555     {
1556       Print("Only team mode tapes can be patched against screen size bug!\n");
1557
1558       return FALSE;
1559     }
1560
1561     // this bug (that always existed before) was fixed in version 4.2.2.1
1562     if (tape->engine_version >= VERSION_IDENT(4,2,2,1))
1563     {
1564       Print("This tape version cannot be patched against screen size bug!\n");
1565
1566       return FALSE;
1567     }
1568
1569     int factor = (unpatch_tape ? 1 : 2);
1570     int scr_fieldx_new = SCR_FIELDX_DEFAULT * factor;
1571     int scr_fieldy_new = SCR_FIELDY_DEFAULT * factor;
1572
1573     if (scr_fieldx_new == tape->scr_fieldx &&
1574         scr_fieldy_new == tape->scr_fieldy)
1575     {
1576       Print("Tape already patched for '%s'!\n", mode);
1577
1578       return FALSE;
1579     }
1580
1581     tape->scr_fieldx = scr_fieldx_new;
1582     tape->scr_fieldy = scr_fieldy_new;
1583   }
1584   else
1585   {
1586     Print("Unknown patch mode '%s'!\n", mode);
1587
1588     return FALSE;
1589   }
1590
1591   // patching tapes using property bits may be used for several patch modes
1592   if (use_property_bit)
1593   {
1594     byte property_bits = tape->property_bits;
1595     boolean set_property_bit = (unpatch_tape ? FALSE : TRUE);
1596
1597     if (set_property_bit)
1598       property_bits |= property_bitmask;
1599     else
1600       property_bits &= ~property_bitmask;
1601
1602     if (property_bits == tape->property_bits)
1603     {
1604       Print("Tape already patched for '%s'!\n", mode);
1605
1606       return FALSE;
1607     }
1608
1609     tape->property_bits = property_bits;
1610   }
1611
1612   Print("Patching for '%s' ... ", mode);
1613
1614   return TRUE;
1615 }
1616
1617 void PatchTapes(void)
1618 {
1619   static LevelDirTree *patchtapes_leveldir = NULL;
1620   static int num_tapes_found = 0;
1621   static int num_tapes_patched = 0;
1622   char *mode = global.patchtapes_mode;
1623   int i;
1624
1625   if (strEqual(mode, "help"))
1626   {
1627     PrintLine("=", 79);
1628     Print("Supported patch modes:\n");
1629     Print("- \"em_random_bug\"   - use 64-bit random value bug for EM engine\n");
1630     Print("- \"screen_34x34\"    - force visible playfield size of 34 x 34\n");
1631     PrintLine("-", 79);
1632     Print("Supported modifiers:\n");
1633     Print("- add \":0\", \":off\" or \":clear\" to patch mode to un-patch tape file\n");
1634     PrintLine("=", 79);
1635
1636     CloseAllAndExit(0);
1637   }
1638
1639   patchtapes_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1640                                                   global.patchtapes_leveldir);
1641
1642   if (patchtapes_leveldir == NULL)
1643     Fail("no such level identifier: '%s'", global.patchtapes_leveldir);
1644
1645   leveldir_current = patchtapes_leveldir;
1646
1647   if (patchtapes_leveldir->first_level < 0)
1648     patchtapes_leveldir->first_level = 0;
1649   if (patchtapes_leveldir->last_level >= MAX_TAPES_PER_SET)
1650     patchtapes_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1651
1652   PrintLine("=", 79);
1653   Print("Patching level tapes for patch mode '%s'\n", mode);
1654   PrintLine("-", 79);
1655   Print("Level series identifier: '%s'\n", patchtapes_leveldir->identifier);
1656   Print("Level series name:       '%s'\n", patchtapes_leveldir->name);
1657   Print("Level series author:     '%s'\n", patchtapes_leveldir->author);
1658   Print("Number of levels:        %d\n",   patchtapes_leveldir->levels);
1659   PrintLine("=", 79);
1660   Print("\n");
1661
1662   int first_level = patchtapes_leveldir->first_level;
1663   int last_level = patchtapes_leveldir->last_level;
1664
1665   for (i = first_level; i <= last_level; i++)
1666   {
1667     if (!global.patchtapes_all && !global.patchtapes_level[i])
1668       continue;
1669
1670     Print("Tape %03d: ", i);
1671
1672     TapeErase();
1673     LoadTape(i);
1674
1675     if (tape.no_valid_file)
1676     {
1677       Print("(no tape found)\n");
1678
1679       continue;
1680     }
1681
1682     num_tapes_found++;
1683
1684     if (PatchTape(&tape, mode))
1685     {
1686       char *filename = getTapeFilename(i);
1687       char *filename_orig = getStringCat2(filename, ".orig");
1688
1689       if (!fileExists(filename_orig))
1690         rename(filename, filename_orig);
1691
1692       SaveTapeToFilename(filename);
1693
1694       Print("patched tape saved.\n");
1695
1696       num_tapes_patched++;
1697     }
1698   }
1699
1700   Print("\n");
1701   PrintLine("=", 79);
1702   Print("Number of tapes found: %d\n", num_tapes_found);
1703   Print("Number of tapes patched: %d\n", num_tapes_patched);
1704   PrintLine("=", 79);
1705
1706   CloseAllAndExit(0);
1707 }
1708
1709
1710 // ---------- new tape button stuff -------------------------------------------
1711
1712 static struct
1713 {
1714   int graphic;
1715   struct XY *pos;
1716   int gadget_id;
1717   char *infotext;
1718 } tapebutton_info[NUM_TAPE_BUTTONS] =
1719 {
1720   {
1721     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1722     TAPE_CTRL_ID_EJECT,                 "eject tape"
1723   },
1724   {
1725     // (same position as "eject" button)
1726     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1727     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1728   },
1729   {
1730     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1731     TAPE_CTRL_ID_STOP,                  "stop tape"
1732   },
1733   {
1734     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1735     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1736   },
1737   {
1738     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1739     TAPE_CTRL_ID_RECORD,                "record tape"
1740   },
1741   {
1742     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1743     TAPE_CTRL_ID_PLAY,                  "play tape"
1744   },
1745   {
1746     IMG_GFX_TAPE_BUTTON_INSERT_SOLUTION,&tape.button.insert_solution,
1747     TAPE_CTRL_ID_INSERT_SOLUTION,       "insert solution tape"
1748   },
1749   {
1750     IMG_GFX_TAPE_BUTTON_PLAY_SOLUTION,  &tape.button.play_solution,
1751     TAPE_CTRL_ID_PLAY_SOLUTION,         "play solution tape"
1752   }
1753 };
1754
1755 void CreateTapeButtons(void)
1756 {
1757   int i;
1758
1759   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1760   {
1761     int graphic = tapebutton_info[i].graphic;
1762     struct GraphicInfo *gfx = &graphic_info[graphic];
1763     struct XY *pos = tapebutton_info[i].pos;
1764     struct GadgetInfo *gi;
1765     int gd_x = gfx->src_x;
1766     int gd_y = gfx->src_y;
1767     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1768     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1769     int id = i;
1770
1771     gi = CreateGadget(GDI_CUSTOM_ID, id,
1772                       GDI_IMAGE_ID, graphic,
1773                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1774                       GDI_X, VX + pos->x,
1775                       GDI_Y, VY + pos->y,
1776                       GDI_WIDTH, gfx->width,
1777                       GDI_HEIGHT, gfx->height,
1778                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1779                       GDI_STATE, GD_BUTTON_UNPRESSED,
1780                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1781                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1782                       GDI_DIRECT_DRAW, FALSE,
1783                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1784                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1785                       GDI_END);
1786
1787     if (gi == NULL)
1788       Fail("cannot create gadget");
1789
1790     tape_gadget[id] = gi;
1791   }
1792 }
1793
1794 void FreeTapeButtons(void)
1795 {
1796   int i;
1797
1798   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1799     FreeGadget(tape_gadget[i]);
1800 }
1801
1802 void MapTapeEjectButton(void)
1803 {
1804   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1805   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1806 }
1807
1808 void MapTapeWarpButton(void)
1809 {
1810   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1811   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1812 }
1813
1814 void MapTapeButtons(void)
1815 {
1816   int i;
1817
1818   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1819     if (i != TAPE_CTRL_ID_EXTRA)
1820       MapGadget(tape_gadget[i]);
1821
1822   if (tape.recording || tape.playing)
1823     MapTapeWarpButton();
1824
1825   if (tape.show_game_buttons)
1826     MapGameButtonsOnTape();
1827 }
1828
1829 void UnmapTapeButtons(void)
1830 {
1831   int i;
1832
1833   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1834     UnmapGadget(tape_gadget[i]);
1835
1836   if (tape.show_game_buttons)
1837     UnmapGameButtonsOnTape();
1838 }
1839
1840 void RedrawTapeButtons(void)
1841 {
1842   int i;
1843
1844   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1845     RedrawGadget(tape_gadget[i]);
1846
1847   if (tape.show_game_buttons)
1848     RedrawGameButtonsOnTape();
1849 }
1850
1851 void RedrawOrRemapTapeButtons(void)
1852 {
1853   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
1854   {
1855     // tape buttons already mapped
1856     RedrawTapeButtons();
1857   }
1858   else
1859   {
1860     UnmapTapeButtons();
1861     MapTapeButtons();
1862   }
1863 }
1864
1865 static void HandleTapeButtonsExt(int id)
1866 {
1867   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1868     return;
1869
1870   switch (id)
1871   {
1872     case TAPE_CTRL_ID_EJECT:
1873       TapeStop();
1874
1875       if (TAPE_IS_EMPTY(tape))
1876       {
1877         LoadTape(level_nr);
1878
1879         if (TAPE_IS_EMPTY(tape))
1880           Request("No tape for this level!", REQ_CONFIRM);
1881       }
1882       else
1883       {
1884         if (tape.changed)
1885           SaveTapeChecked(level_nr);
1886
1887         TapeErase();
1888       }
1889
1890       DrawCompleteVideoDisplay();
1891       break;
1892
1893     case TAPE_CTRL_ID_EXTRA:
1894       if (tape.playing)
1895       {
1896         tape.pause_before_end = !tape.pause_before_end;
1897
1898         DrawVideoDisplayCurrentState();
1899       }
1900       else if (tape.recording)
1901       {
1902         TapeSingleStep();
1903       }
1904
1905       break;
1906
1907     case TAPE_CTRL_ID_STOP:
1908       TapeStop();
1909
1910       break;
1911
1912     case TAPE_CTRL_ID_PAUSE:
1913       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1914
1915       break;
1916
1917     case TAPE_CTRL_ID_RECORD:
1918       if (TAPE_IS_STOPPED(tape))
1919       {
1920         TapeStartGameRecording();
1921       }
1922       else if (tape.pausing)
1923       {
1924         if (tape.playing)                       // PLAY -> PAUSE -> RECORD
1925           TapeAppendRecording();
1926         else
1927           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1928       }
1929
1930       break;
1931
1932     case TAPE_CTRL_ID_PLAY:
1933       if (tape.recording && tape.pausing)       // PAUSE -> RECORD
1934       {
1935         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
1936
1937         TapeTogglePause(TAPE_TOGGLE_MANUAL);
1938       }
1939
1940       if (TAPE_IS_EMPTY(tape))
1941         break;
1942
1943       if (TAPE_IS_STOPPED(tape))
1944       {
1945         TapeStartGamePlaying();
1946       }
1947       else if (tape.playing)
1948       {
1949         if (tape.pausing)                       // PAUSE -> PLAY
1950         {
1951           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
1952         }
1953         else if (!tape.fast_forward)            // PLAY -> FFWD
1954         {
1955           tape.fast_forward = TRUE;
1956         }
1957         else if (!tape.warp_forward)            // FFWD -> WARP
1958         {
1959           tape.warp_forward = TRUE;
1960         }
1961         else if (!tape.deactivate_display)      // WARP -> WARP BLIND
1962         {
1963           tape.deactivate_display = TRUE;
1964
1965           TapeDeactivateDisplayOn();
1966         }
1967         else                                    // WARP BLIND -> PLAY
1968         {
1969           tape.fast_forward = FALSE;
1970           tape.warp_forward = FALSE;
1971           tape.deactivate_display = FALSE;
1972
1973           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1974         }
1975
1976         DrawVideoDisplayCurrentState();
1977       }
1978
1979       break;
1980
1981     case TAPE_CTRL_ID_INSERT_SOLUTION:
1982       InsertSolutionTape();
1983
1984       break;
1985
1986     case TAPE_CTRL_ID_PLAY_SOLUTION:
1987       PlaySolutionTape();
1988
1989       break;
1990
1991     default:
1992       break;
1993   }
1994 }
1995
1996 static void HandleTapeButtons(struct GadgetInfo *gi)
1997 {
1998   HandleTapeButtonsExt(gi->custom_id);
1999 }
2000
2001 void HandleTapeButtonKeys(Key key)
2002 {
2003   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
2004   boolean extra_button_is_active = !eject_button_is_active;
2005
2006   if (key == setup.shortcut.tape_eject && eject_button_is_active)
2007     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
2008   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
2009     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
2010   else if (key == setup.shortcut.tape_stop)
2011     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
2012   else if (key == setup.shortcut.tape_pause)
2013     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
2014   else if (key == setup.shortcut.tape_record)
2015     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
2016   else if (key == setup.shortcut.tape_play)
2017     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
2018 }