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     DrawGameDoorValues();
 463   }
 464 }
 465
 466
 467 // ============================================================================
 468 // tape logging functions
 469 // ============================================================================
 470
 471 static char tape_patch_info[MAX_OUTPUT_LINESIZE];
 472
 473 static void PrintTapeReplayProgress(boolean replay_finished)
 474 {
 475   static unsigned int counter_last = -1;
 476   unsigned int counter = Counter();
 477   unsigned int counter_seconds  = counter / 1000;
 478
 479   if (!replay_finished)
 480   {
 481     unsigned int counter_delay = 50;
 482
 483     if (counter > counter_last + counter_delay)
 484     {
 485       PrintNoLog("\r");
 486       PrintNoLog("Tape %03d %s[%02d:%02d]: [%02d:%02d] - playing tape ... ",
 487                  level_nr,  tape_patch_info,
 488                  tape.length_seconds / 60, tape.length_seconds % 60,
 489                  TapeTime / 60, TapeTime % 60);
 490
 491       counter_last = counter;
 492     }
 493   }
 494   else
 495   {
 496     float tape_length_seconds = GetTapeLengthSecondsFloat();
 497
 498     PrintNoLog("\r");
 499     Print("Tape %03d %s[%02d:%02d]: (%02d:%02d.%03d / %.2f %%) - %s.\n",
 500           level_nr, tape_patch_info,
 501           tape.length_seconds / 60, tape.length_seconds % 60,
 502           counter_seconds / 60, counter_seconds % 60, counter % 1000,
 503           (float)counter / tape_length_seconds / 10,
 504           tape.auto_play_level_fixed ? "solved and fixed" :
 505           tape.auto_play_level_solved ? "solved" :
 506           tape.auto_play_level_not_fixable ? "NOT SOLVED, NOT FIXED" :
 507           "NOT SOLVED");
 508
 509     counter_last = -1;
 510   }
 511 }
 512
 513
 514 // ============================================================================
 515 // tape control functions
 516 // ============================================================================
 517
 518 void TapeSetDateFromEpochSeconds(time_t epoch_seconds)
 519 {
 520   struct tm *lt = localtime(&epoch_seconds);
 521
 522   tape.date = 10000 * (lt->tm_year % 100) + 100 * lt->tm_mon + lt->tm_mday;
 523 }
 524
 525 void TapeSetDateFromNow(void)
 526 {
 527   TapeSetDateFromEpochSeconds(time(NULL));
 528 }
 529
 530 void TapeErase(void)
 531 {
 532   int i;
 533
 534   CopyTapeToUndoBuffer();
 535
 536   tape.counter = 0;
 537   tape.length = 0;
 538   tape.length_frames = 0;
 539   tape.length_seconds = 0;
 540
 541   if (leveldir_current)
 542     setString(&tape.level_identifier, leveldir_current->identifier);
 543
 544   tape.level_nr = level_nr;
 545   tape.pos[tape.counter].delay = 0;
 546   tape.changed = TRUE;
 547
 548   tape.random_seed = InitRND(level.random_seed);
 549
 550   tape.file_version = FILE_VERSION_ACTUAL;
 551   tape.game_version = GAME_VERSION_ACTUAL;
 552   tape.engine_version = level.game_version;
 553
 554   TapeSetDateFromNow();
 555
 556   for (i = 0; i < MAX_PLAYERS; i++)
 557     tape.player_participates[i] = FALSE;
 558
 559   tape.centered_player_nr_next = -1;
 560   tape.set_centered_player = FALSE;
 561
 562   // set flags for game actions to default values (may be overwritten later)
 563   tape.use_key_actions = TRUE;
 564   tape.use_mouse_actions = FALSE;
 565 }
 566
 567 static void TapeRewind(void)
 568 {
 569   tape.counter = 0;
 570   tape.delay_played = 0;
 571   tape.pause_before_end = FALSE;
 572   tape.recording = FALSE;
 573   tape.playing = FALSE;
 574   tape.fast_forward = FALSE;
 575   tape.warp_forward = FALSE;
 576   tape.deactivate_display = FALSE;
 577   tape.auto_play = (global.autoplay_leveldir != NULL);
 578   tape.auto_play_level_solved = FALSE;
 579   tape.auto_play_level_fixed = FALSE;
 580   tape.auto_play_level_not_fixable = FALSE;
 581   tape.quick_resume = FALSE;
 582   tape.single_step = FALSE;
 583
 584   tape.centered_player_nr_next = -1;
 585   tape.set_centered_player = FALSE;
 586
 587   InitRND(tape.random_seed);
 588 }
 589
 590 static void TapeSetRandomSeed(int random_seed)
 591 {
 592   tape.random_seed = InitRND(random_seed);
 593 }
 594
 595 void TapeStartRecording(int random_seed)
 596 {
 597   if (!TAPE_IS_STOPPED(tape))
 598     TapeStop();
 599
 600   TapeErase();
 601   TapeRewind();
 602   TapeSetRandomSeed(random_seed);
 603
 604   tape.recording = TRUE;
 605
 606   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 607   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 608   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 609   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 610
 611   MapTapeWarpButton();
 612
 613   SetDrawDeactivationMask(REDRAW_NONE);
 614   audio.sound_deactivated = FALSE;
 615
 616   // required here to update video display if tape door is closed
 617   if (GetDoorState() & DOOR_CLOSE_2)
 618     OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
 619 }
 620
 621 static void TapeStartGameRecording(void)
 622 {
 623   StartGameActions(network.enabled, TRUE, level.random_seed);
 624 }
 625
 626 static void TapeAppendRecording(void)
 627 {
 628   if (!tape.playing || !tape.pausing)
 629     return;
 630
 631   // stop playing
 632   tape.playing = FALSE;
 633   tape.fast_forward = FALSE;
 634   tape.warp_forward = FALSE;
 635   tape.pause_before_end = FALSE;
 636   tape.deactivate_display = FALSE;
 637
 638   // start recording
 639   tape.recording = TRUE;
 640   tape.changed = TRUE;
 641
 642   // set current delay (for last played move)
 643   tape.pos[tape.counter].delay = tape.delay_played;
 644
 645   // set current date
 646   TapeSetDateFromNow();
 647
 648   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 649   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
 650
 651   UpdateAndDisplayGameControlValues();
 652 }
 653
 654 void TapeHaltRecording(void)
 655 {
 656   tape.counter++;
 657
 658   // initialize delay for next tape entry (to be able to continue recording)
 659   if (tape.counter < MAX_TAPE_LEN)
 660     tape.pos[tape.counter].delay = 0;
 661
 662   tape.length = tape.counter;
 663   tape.length_frames = GetTapeLengthFrames();
 664   tape.length_seconds = GetTapeLengthSeconds();
 665 }
 666
 667 void TapeStopRecording(void)
 668 {
 669   if (tape.recording)
 670     TapeHaltRecording();
 671
 672   tape.recording = FALSE;
 673   tape.pausing = FALSE;
 674
 675   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
 676   MapTapeEjectButton();
 677 }
 678
 679 boolean TapeAddAction(byte action[MAX_TAPE_ACTIONS])
 680 {
 681   int i;
 682
 683   if (tape.pos[tape.counter].delay > 0)         // already stored action
 684   {
 685     boolean changed_events = FALSE;
 686
 687     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 688       if (tape.pos[tape.counter].action[i] != action[i])
 689         changed_events = TRUE;
 690
 691     if (changed_events || tape.pos[tape.counter].delay >= 255)
 692     {
 693       if (tape.counter >= MAX_TAPE_LEN - 1)
 694         return FALSE;
 695
 696       tape.counter++;
 697       tape.pos[tape.counter].delay = 0;
 698     }
 699     else
 700       tape.pos[tape.counter].delay++;
 701   }
 702
 703   if (tape.pos[tape.counter].delay == 0)        // store new action
 704   {
 705     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 706       tape.pos[tape.counter].action[i] = action[i];
 707
 708     tape.pos[tape.counter].delay++;
 709   }
 710
 711   return TRUE;
 712 }
 713
 714 void TapeRecordAction(byte action_raw[MAX_TAPE_ACTIONS])
 715 {
 716   byte action[MAX_TAPE_ACTIONS];
 717   int i;
 718
 719   if (!tape.recording)          // (record action even when tape is paused)
 720     return;
 721
 722   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 723     action[i] = action_raw[i];
 724
 725   if (tape.use_key_actions && tape.set_centered_player)
 726   {
 727     for (i = 0; i < MAX_PLAYERS; i++)
 728       if (tape.centered_player_nr_next == i ||
 729           tape.centered_player_nr_next == -1)
 730         action[i] |= KEY_SET_FOCUS;
 731
 732     tape.set_centered_player = FALSE;
 733   }
 734
 735   if (!TapeAddAction(action))
 736     TapeStopRecording();
 737 }
 738
 739 void TapeTogglePause(boolean toggle_mode)
 740 {
 741   if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
 742   {
 743     // continue playing in normal mode
 744     tape.fast_forward = FALSE;
 745     tape.warp_forward = FALSE;
 746     tape.deactivate_display = FALSE;
 747
 748     tape.pause_before_end = FALSE;
 749   }
 750
 751   tape.pausing = !tape.pausing;
 752
 753   if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
 754     tape.single_step = FALSE;
 755
 756   DrawVideoDisplayCurrentState();
 757
 758   if (tape.deactivate_display)
 759   {
 760     if (tape.pausing)
 761       TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 762     else
 763       TapeDeactivateDisplayOn();
 764   }
 765
 766   if (tape.quick_resume)
 767   {
 768     tape.quick_resume = FALSE;
 769
 770     TapeStopWarpForward();
 771     TapeAppendRecording();
 772
 773     if (!CheckEngineSnapshotSingle())
 774       SaveEngineSnapshotSingle();
 775
 776     // restart step/move snapshots after quick loading tape
 777     SaveEngineSnapshotToListInitial();
 778
 779     // do not map undo/redo buttons after quick loading tape
 780     return;
 781   }
 782
 783   if (game_status == GAME_MODE_PLAYING)
 784   {
 785     if (setup.show_snapshot_buttons && CheckEngineSnapshotList())
 786     {
 787       if (tape.pausing)
 788         MapUndoRedoButtons();
 789       else if (!tape.single_step)
 790         UnmapUndoRedoButtons();
 791     }
 792
 793     ModifyPauseButtons();
 794   }
 795 }
 796
 797 void TapeStartPlaying(void)
 798 {
 799   if (TAPE_IS_EMPTY(tape))
 800     return;
 801
 802   if (!TAPE_IS_STOPPED(tape))
 803     TapeStop();
 804
 805   TapeRewind();
 806
 807   tape.playing = TRUE;
 808
 809   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 810   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 811   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 812   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 813
 814   MapTapeWarpButton();
 815
 816   SetDrawDeactivationMask(REDRAW_NONE);
 817   audio.sound_deactivated = FALSE;
 818 }
 819
 820 static void TapeStartGamePlaying(void)
 821 {
 822   TapeStartPlaying();
 823
 824   InitGame();
 825 }
 826
 827 void TapeStopPlaying(void)
 828 {
 829   tape.playing = FALSE;
 830   tape.pausing = FALSE;
 831
 832   if (tape.warp_forward)
 833     TapeStopWarpForward();
 834
 835   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 836   MapTapeEjectButton();
 837 }
 838
 839 byte *TapePlayAction(void)
 840 {
 841   int update_delay = FRAMES_PER_SECOND / 2;
 842   boolean update_video_display = (FrameCounter % update_delay == 0);
 843   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
 844   static byte action[MAX_TAPE_ACTIONS];
 845   int i;
 846
 847   if (!tape.playing || tape.pausing)
 848     return NULL;
 849
 850   if (tape.pause_before_end)  // stop some seconds before end of tape
 851   {
 852     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
 853     {
 854       TapeStopWarpForward();
 855       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 856
 857       return NULL;
 858     }
 859   }
 860
 861   if (tape.counter >= tape.length)      // end of tape reached
 862   {
 863     if (tape.warp_forward && !tape.auto_play)
 864     {
 865       TapeStopWarpForward();
 866       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 867     }
 868     else
 869     {
 870       TapeStop();
 871     }
 872
 873     return NULL;
 874   }
 875
 876   if (update_video_display && !tape.deactivate_display)
 877   {
 878     int state = 0;
 879
 880     if (tape.warp_forward)
 881       state |= VIDEO_STATE_WARP(update_draw_label_on);
 882     else if (tape.fast_forward)
 883       state |= VIDEO_STATE_FFWD(update_draw_label_on);
 884
 885     if (tape.pause_before_end)
 886       state |= VIDEO_STATE_PBEND(update_draw_label_on);
 887
 888     // draw labels and symbols separately to prevent labels overlapping symbols
 889     DrawVideoDisplayLabel(state);
 890     DrawVideoDisplaySymbol(state);
 891   }
 892
 893   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 894     action[i] = tape.pos[tape.counter].action[i];
 895
 896 #if DEBUG_TAPE_WHEN_PLAYING
 897   DebugContinued("", "%05d", FrameCounter);
 898   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 899     DebugContinued("", "   %08x", action[i]);
 900   DebugContinued("tape:play", "\n");
 901 #endif
 902
 903   tape.set_centered_player = FALSE;
 904   tape.centered_player_nr_next = -999;
 905
 906   if (tape.use_key_actions)
 907   {
 908     for (i = 0; i < MAX_PLAYERS; i++)
 909     {
 910       if (action[i] & KEY_SET_FOCUS)
 911       {
 912         tape.set_centered_player = TRUE;
 913         tape.centered_player_nr_next =
 914           (tape.centered_player_nr_next == -999 ? i : -1);
 915       }
 916
 917       action[i] &= ~KEY_SET_FOCUS;
 918     }
 919   }
 920
 921   tape.delay_played++;
 922   if (tape.delay_played >= tape.pos[tape.counter].delay)
 923   {
 924     tape.counter++;
 925     tape.delay_played = 0;
 926   }
 927
 928   if (tape.auto_play)
 929     PrintTapeReplayProgress(FALSE);
 930
 931   return action;
 932 }
 933
 934 void TapeStop(void)
 935 {
 936   if (tape.pausing)
 937     TapeTogglePause(TAPE_TOGGLE_MANUAL);
 938
 939   TapeStopRecording();
 940   TapeStopPlaying();
 941
 942   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 943
 944   if (tape.date && tape.length)
 945   {
 946     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 947     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 948     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 949   }
 950 }
 951
 952 unsigned int GetTapeLengthFrames(void)
 953 {
 954   unsigned int tape_length_frames = 0;
 955   int i;
 956
 957   if (TAPE_IS_EMPTY(tape))
 958     return 0;
 959
 960   for (i = 0; i < tape.length; i++)
 961     tape_length_frames += tape.pos[i].delay;
 962
 963   return tape_length_frames;
 964 }
 965
 966 unsigned int GetTapeLengthSeconds(void)
 967 {
 968   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 969 }
 970
 971 static float GetTapeLengthSecondsFloat(void)
 972 {
 973   return ((float)GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 974 }
 975
 976 static void TapeStartWarpForward(int mode)
 977 {
 978   tape.fast_forward = (mode & AUTOPLAY_FFWD);
 979   tape.warp_forward = (mode & AUTOPLAY_WARP);
 980   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
 981
 982   tape.pausing = FALSE;
 983
 984   if (tape.deactivate_display)
 985     TapeDeactivateDisplayOn();
 986
 987   DrawVideoDisplayCurrentState();
 988 }
 989
 990 static void TapeStopWarpForward(void)
 991 {
 992   tape.fast_forward = FALSE;
 993   tape.warp_forward = FALSE;
 994   tape.deactivate_display = FALSE;
 995
 996   tape.pause_before_end = FALSE;
 997
 998   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 999
1000   DrawVideoDisplayCurrentState();
1001 }
1002
1003 static void TapeSingleStep(void)
1004 {
1005   if (network.enabled)
1006     return;
1007
1008   if (!tape.pausing)
1009     TapeTogglePause(TAPE_TOGGLE_MANUAL);
1010
1011   tape.single_step = !tape.single_step;
1012
1013   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
1014 }
1015
1016 void TapeQuickSave(void)
1017 {
1018   if (game_status == GAME_MODE_MAIN)
1019   {
1020     Request("No game that can be saved!", REQ_CONFIRM);
1021
1022     return;
1023   }
1024
1025   if (game_status != GAME_MODE_PLAYING)
1026     return;
1027
1028   if (tape.recording)
1029     TapeHaltRecording();        // prepare tape for saving on-the-fly
1030
1031   if (TAPE_IS_EMPTY(tape))
1032   {
1033     Request("No tape that can be saved!", REQ_CONFIRM);
1034
1035     return;
1036   }
1037
1038   if (SaveTapeChecked(tape.level_nr))
1039     SaveEngineSnapshotSingle();
1040 }
1041
1042 void TapeQuickLoad(void)
1043 {
1044   char *filename = getTapeFilename(level_nr);
1045
1046   if (!fileExists(filename))
1047   {
1048     Request("No tape for this level!", REQ_CONFIRM);
1049
1050     return;
1051   }
1052
1053   if (tape.recording && !Request("Stop recording and load tape?",
1054                                  REQ_ASK | REQ_STAY_CLOSED))
1055   {
1056     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1057
1058     return;
1059   }
1060
1061   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1062     return;
1063
1064   if (CheckEngineSnapshotSingle())
1065   {
1066     TapeStartGamePlaying();
1067
1068     LoadEngineSnapshotSingle();
1069
1070     DrawCompleteVideoDisplay();
1071
1072     tape.playing = TRUE;
1073     tape.pausing = TRUE;
1074
1075     TapeStopWarpForward();
1076     TapeAppendRecording();
1077
1078     // restart step/move snapshots after quick loading tape
1079     SaveEngineSnapshotToListInitial();
1080
1081     if (FrameCounter > 0)
1082       return;
1083   }
1084
1085   TapeStop();
1086   TapeErase();
1087
1088   LoadTape(level_nr);
1089
1090   if (!TAPE_IS_EMPTY(tape))
1091   {
1092     TapeStartGamePlaying();
1093     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1094
1095     tape.quick_resume = TRUE;
1096   }
1097   else  // this should not happen (basically checked above)
1098   {
1099     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1100
1101     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1102   }
1103 }
1104
1105 boolean hasSolutionTape(void)
1106 {
1107   boolean tape_file_exists = fileExists(getSolutionTapeFilename(level_nr));
1108   boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
1109                             level.native_sp_level->demo.is_available);
1110
1111   return (tape_file_exists || level_has_tape);
1112 }
1113
1114 boolean InsertSolutionTape(void)
1115 {
1116   if (!hasSolutionTape())
1117   {
1118     Request("No solution tape for this level!", REQ_CONFIRM);
1119
1120     return FALSE;
1121   }
1122
1123   if (!TAPE_IS_STOPPED(tape))
1124     TapeStop();
1125
1126   // if tape recorder already contains a tape, remove it without asking
1127   TapeErase();
1128
1129   LoadSolutionTape(level_nr);
1130
1131   DrawCompleteVideoDisplay();
1132
1133   if (TAPE_IS_EMPTY(tape))
1134   {
1135     Request("Loading solution tape for this level failed!", REQ_CONFIRM);
1136
1137     return FALSE;
1138   }
1139
1140   return TRUE;
1141 }
1142
1143 boolean PlaySolutionTape(void)
1144 {
1145   if (!InsertSolutionTape())
1146     return FALSE;
1147
1148   TapeStartGamePlaying();
1149
1150   return TRUE;
1151 }
1152
1153 static boolean checkTapesFromSameLevel(struct TapeInfo *t1, struct TapeInfo *t2)
1154 {
1155   return (strEqual(t1->level_identifier, t2->level_identifier) &&
1156           t1->level_nr == t2->level_nr);
1157 }
1158
1159 static void CopyTape(struct TapeInfo *tape_from, struct TapeInfo *tape_to)
1160 {
1161   if (tape_to->level_identifier != NULL)
1162     checked_free(tape_to->level_identifier);
1163
1164   *tape_to = *tape_from;
1165
1166   tape_to->level_identifier = getStringCopy(tape_from->level_identifier);
1167 }
1168
1169 static void SwapTapes(struct TapeInfo *t1, struct TapeInfo *t2)
1170 {
1171   struct TapeInfo tmp = *t1;
1172
1173   *t1 = *t2;
1174   *t2 = tmp;
1175 }
1176
1177 static void CopyTapeToUndoBuffer(void)
1178 {
1179   // copy tapes to undo buffer if large enough (or larger than last undo tape)
1180   // or if the last undo tape is from a different level set or level number
1181   if (tape.length_seconds >= TAPE_MIN_SECONDS_FOR_UNDO_BUFFER ||
1182       tape.length_seconds >= tape_undo_buffer.length_seconds ||
1183       !checkTapesFromSameLevel(&tape, &tape_undo_buffer))
1184   {
1185     CopyTape(&tape, &tape_undo_buffer);
1186   }
1187 }
1188
1189 void UndoTape(void)
1190 {
1191   // only undo tapes from same level set and with same level number
1192   if (!checkTapesFromSameLevel(&tape, &tape_undo_buffer))
1193     return;
1194
1195   if (!TAPE_IS_STOPPED(tape))
1196     TapeStop();
1197
1198   // swap last recorded tape with undo buffer, so undo can be reversed
1199   SwapTapes(&tape, &tape_undo_buffer);
1200
1201   DrawCompleteVideoDisplay();
1202 }
1203
1204 void FixTape_ForceSinglePlayer(void)
1205 {
1206   int i;
1207
1208   /* fix single-player tapes that contain player input for more than one
1209      player (due to a bug in 3.3.1.2 and earlier versions), which results
1210      in playing levels with more than one player in multi-player mode,
1211      even though the tape was originally recorded in single-player mode */
1212
1213   // remove player input actions for all players but the first one
1214   for (i = 1; i < MAX_PLAYERS; i++)
1215     tape.player_participates[i] = FALSE;
1216
1217   tape.changed = TRUE;
1218 }
1219
1220
1221 // ----------------------------------------------------------------------------
1222 // tape autoplay functions
1223 // ----------------------------------------------------------------------------
1224
1225 void AutoPlayTapes(void)
1226 {
1227   static LevelDirTree *autoplay_leveldir = NULL;
1228   static boolean autoplay_initialized = FALSE;
1229   static int autoplay_level_nr = -1;
1230   static int num_levels_played = 0;
1231   static int num_levels_solved = 0;
1232   static int num_tapes_patched = 0;
1233   static int num_tape_missing = 0;
1234   static boolean level_failed[MAX_TAPES_PER_SET];
1235   static int patch_nr = 0;
1236   static char *patch_name[] =
1237   {
1238     "original tape",
1239     "em_random_bug",
1240     "screen_34x34",
1241
1242     NULL
1243   };
1244   static int patch_version_first[] =
1245   {
1246     VERSION_IDENT(0,0,0,0),
1247     VERSION_IDENT(3,3,1,0),
1248     VERSION_IDENT(0,0,0,0),
1249
1250     -1
1251   };
1252   static int patch_version_last[] =
1253   {
1254     VERSION_IDENT(9,9,9,9),
1255     VERSION_IDENT(4,0,1,1),
1256     VERSION_IDENT(4,2,2,0),
1257
1258     -1
1259   };
1260   static byte patch_property_bit[] =
1261   {
1262     TAPE_PROPERTY_NONE,
1263     TAPE_PROPERTY_EM_RANDOM_BUG,
1264     TAPE_PROPERTY_NONE,
1265
1266     -1
1267   };
1268   int i;
1269
1270   if (autoplay_initialized)
1271   {
1272     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1273     {
1274       if (tape.auto_play_level_solved)
1275       {
1276         if (patch_nr > 0)
1277         {
1278           // level solved by patched tape -- save fixed tape
1279           char *filename = getTapeFilename(level_nr);
1280           char *filename_orig = getStringCat2(filename, ".orig");
1281
1282           // create backup from old tape, if not yet existing
1283           if (!fileExists(filename_orig))
1284             rename(filename, filename_orig);
1285
1286           SaveTapeToFilename(filename);
1287
1288           tape.auto_play_level_fixed = TRUE;
1289           num_tapes_patched++;
1290         }
1291
1292         // continue with next tape
1293         patch_nr = 0;
1294       }
1295       else if (patch_name[patch_nr + 1] != NULL)
1296       {
1297         // level not solved by patched tape -- continue with next patch
1298         patch_nr++;
1299       }
1300       else
1301       {
1302         // level not solved by any patched tape -- continue with next tape
1303         tape.auto_play_level_not_fixable = TRUE;
1304         patch_nr = 0;
1305       }
1306     }
1307
1308     // just finished auto-playing tape
1309     PrintTapeReplayProgress(TRUE);
1310
1311     if (patch_nr == 0)
1312       num_levels_played++;
1313
1314     if (tape.auto_play_level_solved)
1315       num_levels_solved++;
1316
1317     if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1318       level_failed[level_nr] = !tape.auto_play_level_solved;
1319   }
1320   else
1321   {
1322     DrawCompleteVideoDisplay();
1323
1324     audio.sound_enabled = FALSE;
1325     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1326
1327     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1328                                                   global.autoplay_leveldir);
1329
1330     if (autoplay_leveldir == NULL)
1331       Fail("no such level identifier: '%s'", global.autoplay_leveldir);
1332
1333     leveldir_current = autoplay_leveldir;
1334
1335     if (autoplay_leveldir->first_level < 0)
1336       autoplay_leveldir->first_level = 0;
1337     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1338       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1339
1340     autoplay_level_nr = autoplay_leveldir->first_level;
1341
1342     PrintLine("=", 79);
1343     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1344       Print("Automatically fixing level tapes\n");
1345     else
1346       Print("Automatically playing level tapes\n");
1347     PrintLine("-", 79);
1348     Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1349     Print("Level series name:       '%s'\n", autoplay_leveldir->name);
1350     Print("Level series author:     '%s'\n", autoplay_leveldir->author);
1351     Print("Number of levels:        %d\n",   autoplay_leveldir->levels);
1352     PrintLine("=", 79);
1353     Print("\n");
1354
1355     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1356       level_failed[i] = FALSE;
1357
1358     // only private tapes may be modified
1359     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1360       options.mytapes = TRUE;
1361
1362     autoplay_initialized = TRUE;
1363   }
1364
1365   while (1)
1366   {
1367     if (global.autoplay_mode != AUTOPLAY_MODE_FIX || patch_nr == 0)
1368       level_nr = autoplay_level_nr++;
1369
1370     if (level_nr > autoplay_leveldir->last_level)
1371       break;
1372
1373     // set patch info (required for progress output)
1374     strcpy(tape_patch_info, "");
1375     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1376       snprintf(tape_patch_info, MAX_OUTPUT_LINESIZE, "[%-13s] ",
1377                patch_name[patch_nr]);
1378
1379     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1380       continue;
1381
1382     TapeErase();
1383
1384     LoadLevel(level_nr);
1385
1386     if (level.no_level_file || level.no_valid_file)
1387     {
1388       Print("Tape %03d: (no level found)\n", level_nr);
1389
1390       continue;
1391     }
1392
1393 #if 0
1394     // ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY
1395     Print("Tape %03d: (only testing level)\n", level_nr);
1396     continue;
1397 #endif
1398
1399     if (options.mytapes)
1400       LoadTape(level_nr);
1401     else
1402       LoadSolutionTape(level_nr);
1403
1404     if (tape.no_valid_file)
1405     {
1406       num_tape_missing++;
1407
1408       Print("Tape %03d: (no tape found)\n", level_nr);
1409
1410       continue;
1411     }
1412
1413     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1414     {
1415       boolean skip_patch = FALSE;
1416
1417       if (tape.engine_version < patch_version_first[patch_nr] ||
1418           tape.engine_version > patch_version_last[patch_nr])
1419       {
1420         Print("Tape %03d %s[%02d:%02d]: (%s %d.%d.%d.%d) - skipped.\n",
1421               level_nr,  tape_patch_info,
1422               tape.length_seconds / 60, tape.length_seconds % 60,
1423               "not suitable for version",
1424               (tape.engine_version / 1000000) % 100,
1425               (tape.engine_version / 10000  ) % 100,
1426               (tape.engine_version / 100    ) % 100,
1427               (tape.engine_version          ) % 100);
1428
1429         skip_patch = TRUE;
1430       }
1431
1432       if (strEqual(patch_name[patch_nr], "screen_34x34") &&
1433           tape.num_participating_players == 1)
1434       {
1435         Print("Tape %03d %s[%02d:%02d]: (%s) - skipped.\n",
1436               level_nr,  tape_patch_info,
1437               tape.length_seconds / 60, tape.length_seconds % 60,
1438               "not suitable for single player tapes");
1439
1440         skip_patch = TRUE;
1441       }
1442
1443       if (skip_patch)
1444       {
1445         if (patch_name[patch_nr + 1] != NULL)
1446         {
1447           // continue with next patch
1448           patch_nr++;
1449         }
1450         else
1451         {
1452           // continue with next tape
1453           patch_nr = 0;
1454         }
1455
1456         continue;
1457       }
1458
1459       if (strEqual(patch_name[patch_nr], "screen_34x34"))
1460       {
1461         tape.scr_fieldx = SCR_FIELDX_DEFAULT * 2;
1462         tape.scr_fieldy = SCR_FIELDY_DEFAULT * 2;
1463       }
1464       else
1465       {
1466         tape.property_bits |= patch_property_bit[patch_nr];
1467       }
1468     }
1469
1470     InitCounter();
1471
1472     TapeStartGamePlaying();
1473     TapeStartWarpForward(global.autoplay_mode);
1474
1475     return;
1476   }
1477
1478   Print("\n");
1479   PrintLine("=", 79);
1480   Print("Number of levels played: %d\n", num_levels_played);
1481   Print("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1482         (num_levels_played ? num_levels_solved * 100 / num_levels_played : 0));
1483   if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1484     Print("Number of tapes fixed: %d\n", num_tapes_patched);
1485   PrintLine("-", 79);
1486   Print("Summary (for automatic parsing by scripts):\n");
1487   Print("LEVELDIR [%s] '%s', SOLVED %d/%d (%d%%)",
1488         (num_levels_played == num_levels_solved ? " OK " : "WARN"),
1489         autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1490         (num_levels_played ? num_levels_solved * 100 / num_levels_played : 0));
1491
1492   if (num_levels_played != num_levels_solved)
1493   {
1494     Print(", FAILED:");
1495     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1496       if (level_failed[i])
1497         Print(" %03d", i);
1498   }
1499
1500   Print("\n");
1501   PrintLine("=", 79);
1502
1503   CloseAllAndExit(0);
1504 }
1505
1506
1507 // ----------------------------------------------------------------------------
1508 // tape patch functions
1509 // ----------------------------------------------------------------------------
1510
1511 static boolean PatchTape(struct TapeInfo *tape, char *mode)
1512 {
1513   Print("[%d.%d.%d.%d]: ",
1514         (tape->engine_version / 1000000) % 100,
1515         (tape->engine_version / 10000  ) % 100,
1516         (tape->engine_version / 100    ) % 100,
1517         (tape->engine_version          ) % 100);
1518
1519   if (strEqual(mode, "info"))
1520   {
1521     Print("property bits == 0x%02x\n", tape->property_bits);
1522
1523     return FALSE;
1524   }
1525
1526   boolean unpatch_tape = FALSE;
1527   boolean use_property_bit = FALSE;
1528   byte property_bitmask = 0;
1529
1530   if (strSuffix(mode, ":0") ||
1531       strSuffix(mode, ":off") ||
1532       strSuffix(mode, ":clear"))
1533     unpatch_tape = TRUE;
1534
1535   if (strEqual(mode, "em_random_bug") || strPrefix(mode, "em_random_bug:"))
1536   {
1537     // this bug was introduced in version 3.3.1.0 and fixed in version 4.0.1.2
1538     if (tape->engine_version <  VERSION_IDENT(3,3,1,0) ||
1539         tape->engine_version >= VERSION_IDENT(4,0,1,2))
1540     {
1541       Print("This tape version cannot be patched against EM random bug!\n");
1542
1543       return FALSE;
1544     }
1545
1546     property_bitmask = TAPE_PROPERTY_EM_RANDOM_BUG;
1547
1548     use_property_bit = TRUE;
1549   }
1550   else if (strEqual(mode, "screen_34x34") || strPrefix(mode, "screen_34x34:"))
1551   {
1552     // this bug only affects team mode tapes
1553     if (tape->num_participating_players == 1)
1554     {
1555       Print("Only team mode tapes can be patched against screen size bug!\n");
1556
1557       return FALSE;
1558     }
1559
1560     // this bug (that always existed before) was fixed in version 4.2.2.1
1561     if (tape->engine_version >= VERSION_IDENT(4,2,2,1))
1562     {
1563       Print("This tape version cannot be patched against screen size bug!\n");
1564
1565       return FALSE;
1566     }
1567
1568     int factor = (unpatch_tape ? 1 : 2);
1569     int scr_fieldx_new = SCR_FIELDX_DEFAULT * factor;
1570     int scr_fieldy_new = SCR_FIELDY_DEFAULT * factor;
1571
1572     if (scr_fieldx_new == tape->scr_fieldx &&
1573         scr_fieldy_new == tape->scr_fieldy)
1574     {
1575       Print("Tape already patched for '%s'!\n", mode);
1576
1577       return FALSE;
1578     }
1579
1580     tape->scr_fieldx = scr_fieldx_new;
1581     tape->scr_fieldy = scr_fieldy_new;
1582   }
1583   else
1584   {
1585     Print("Unknown patch mode '%s'!\n", mode);
1586
1587     return FALSE;
1588   }
1589
1590   // patching tapes using property bits may be used for several patch modes
1591   if (use_property_bit)
1592   {
1593     byte property_bits = tape->property_bits;
1594     boolean set_property_bit = (unpatch_tape ? FALSE : TRUE);
1595
1596     if (set_property_bit)
1597       property_bits |= property_bitmask;
1598     else
1599       property_bits &= ~property_bitmask;
1600
1601     if (property_bits == tape->property_bits)
1602     {
1603       Print("Tape already patched for '%s'!\n", mode);
1604
1605       return FALSE;
1606     }
1607
1608     tape->property_bits = property_bits;
1609   }
1610
1611   Print("Patching for '%s' ... ", mode);
1612
1613   return TRUE;
1614 }
1615
1616 void PatchTapes(void)
1617 {
1618   static LevelDirTree *patchtapes_leveldir = NULL;
1619   static int num_tapes_found = 0;
1620   static int num_tapes_patched = 0;
1621   char *mode = global.patchtapes_mode;
1622   int i;
1623
1624   if (strEqual(mode, "help"))
1625   {
1626     PrintLine("=", 79);
1627     Print("Supported patch modes:\n");
1628     Print("- \"em_random_bug\"   - use 64-bit random value bug for EM engine\n");
1629     Print("- \"screen_34x34\"    - force visible playfield size of 34 x 34\n");
1630     PrintLine("-", 79);
1631     Print("Supported modifiers:\n");
1632     Print("- add \":0\", \":off\" or \":clear\" to patch mode to un-patch tape file\n");
1633     PrintLine("=", 79);
1634
1635     CloseAllAndExit(0);
1636   }
1637
1638   patchtapes_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1639                                                   global.patchtapes_leveldir);
1640
1641   if (patchtapes_leveldir == NULL)
1642     Fail("no such level identifier: '%s'", global.patchtapes_leveldir);
1643
1644   leveldir_current = patchtapes_leveldir;
1645
1646   if (patchtapes_leveldir->first_level < 0)
1647     patchtapes_leveldir->first_level = 0;
1648   if (patchtapes_leveldir->last_level >= MAX_TAPES_PER_SET)
1649     patchtapes_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1650
1651   PrintLine("=", 79);
1652   Print("Patching level tapes for patch mode '%s'\n", mode);
1653   PrintLine("-", 79);
1654   Print("Level series identifier: '%s'\n", patchtapes_leveldir->identifier);
1655   Print("Level series name:       '%s'\n", patchtapes_leveldir->name);
1656   Print("Level series author:     '%s'\n", patchtapes_leveldir->author);
1657   Print("Number of levels:        %d\n",   patchtapes_leveldir->levels);
1658   PrintLine("=", 79);
1659   Print("\n");
1660
1661   int first_level = patchtapes_leveldir->first_level;
1662   int last_level = patchtapes_leveldir->last_level;
1663
1664   for (i = first_level; i <= last_level; i++)
1665   {
1666     if (!global.patchtapes_all && !global.patchtapes_level[i])
1667       continue;
1668
1669     Print("Tape %03d: ", i);
1670
1671     TapeErase();
1672     LoadTape(i);
1673
1674     if (tape.no_valid_file)
1675     {
1676       Print("(no tape found)\n");
1677
1678       continue;
1679     }
1680
1681     num_tapes_found++;
1682
1683     if (PatchTape(&tape, mode))
1684     {
1685       char *filename = getTapeFilename(i);
1686       char *filename_orig = getStringCat2(filename, ".orig");
1687
1688       if (!fileExists(filename_orig))
1689         rename(filename, filename_orig);
1690
1691       SaveTapeToFilename(filename);
1692
1693       Print("patched tape saved.\n");
1694
1695       num_tapes_patched++;
1696     }
1697   }
1698
1699   Print("\n");
1700   PrintLine("=", 79);
1701   Print("Number of tapes found: %d\n", num_tapes_found);
1702   Print("Number of tapes patched: %d\n", num_tapes_patched);
1703   PrintLine("=", 79);
1704
1705   CloseAllAndExit(0);
1706 }
1707
1708
1709 // ---------- new tape button stuff -------------------------------------------
1710
1711 static struct
1712 {
1713   int graphic;
1714   struct XY *pos;
1715   int gadget_id;
1716   char *infotext;
1717 } tapebutton_info[NUM_TAPE_BUTTONS] =
1718 {
1719   {
1720     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1721     TAPE_CTRL_ID_EJECT,                 "eject tape"
1722   },
1723   {
1724     // (same position as "eject" button)
1725     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1726     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1727   },
1728   {
1729     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1730     TAPE_CTRL_ID_STOP,                  "stop tape"
1731   },
1732   {
1733     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1734     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1735   },
1736   {
1737     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1738     TAPE_CTRL_ID_RECORD,                "record tape"
1739   },
1740   {
1741     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1742     TAPE_CTRL_ID_PLAY,                  "play tape"
1743   },
1744   {
1745     IMG_GFX_TAPE_BUTTON_INSERT_SOLUTION,&tape.button.insert_solution,
1746     TAPE_CTRL_ID_INSERT_SOLUTION,       "insert solution tape"
1747   },
1748   {
1749     IMG_GFX_TAPE_BUTTON_PLAY_SOLUTION,  &tape.button.play_solution,
1750     TAPE_CTRL_ID_PLAY_SOLUTION,         "play solution tape"
1751   }
1752 };
1753
1754 void CreateTapeButtons(void)
1755 {
1756   int i;
1757
1758   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1759   {
1760     int graphic = tapebutton_info[i].graphic;
1761     struct GraphicInfo *gfx = &graphic_info[graphic];
1762     struct XY *pos = tapebutton_info[i].pos;
1763     struct GadgetInfo *gi;
1764     int gd_x = gfx->src_x;
1765     int gd_y = gfx->src_y;
1766     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1767     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1768     int id = i;
1769
1770     gi = CreateGadget(GDI_CUSTOM_ID, id,
1771                       GDI_IMAGE_ID, graphic,
1772                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1773                       GDI_X, VX + pos->x,
1774                       GDI_Y, VY + pos->y,
1775                       GDI_WIDTH, gfx->width,
1776                       GDI_HEIGHT, gfx->height,
1777                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1778                       GDI_STATE, GD_BUTTON_UNPRESSED,
1779                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1780                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1781                       GDI_DIRECT_DRAW, FALSE,
1782                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1783                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1784                       GDI_END);
1785
1786     if (gi == NULL)
1787       Fail("cannot create gadget");
1788
1789     tape_gadget[id] = gi;
1790   }
1791 }
1792
1793 void FreeTapeButtons(void)
1794 {
1795   int i;
1796
1797   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1798     FreeGadget(tape_gadget[i]);
1799 }
1800
1801 void MapTapeEjectButton(void)
1802 {
1803   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1804   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1805 }
1806
1807 void MapTapeWarpButton(void)
1808 {
1809   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1810   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1811 }
1812
1813 void MapTapeButtons(void)
1814 {
1815   int i;
1816
1817   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1818     if (i != TAPE_CTRL_ID_EXTRA)
1819       MapGadget(tape_gadget[i]);
1820
1821   if (tape.recording || tape.playing)
1822     MapTapeWarpButton();
1823
1824   if (tape.show_game_buttons)
1825     MapGameButtonsOnTape();
1826 }
1827
1828 void UnmapTapeButtons(void)
1829 {
1830   int i;
1831
1832   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1833     UnmapGadget(tape_gadget[i]);
1834
1835   if (tape.show_game_buttons)
1836     UnmapGameButtonsOnTape();
1837 }
1838
1839 void RedrawTapeButtons(void)
1840 {
1841   int i;
1842
1843   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1844     RedrawGadget(tape_gadget[i]);
1845
1846   if (tape.show_game_buttons)
1847     RedrawGameButtonsOnTape();
1848 }
1849
1850 void RedrawOrRemapTapeButtons(void)
1851 {
1852   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
1853   {
1854     // tape buttons already mapped
1855     RedrawTapeButtons();
1856   }
1857   else
1858   {
1859     UnmapTapeButtons();
1860     MapTapeButtons();
1861   }
1862 }
1863
1864 static void HandleTapeButtonsExt(int id)
1865 {
1866   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1867     return;
1868
1869   switch (id)
1870   {
1871     case TAPE_CTRL_ID_EJECT:
1872       TapeStop();
1873
1874       if (TAPE_IS_EMPTY(tape))
1875       {
1876         LoadTape(level_nr);
1877
1878         if (TAPE_IS_EMPTY(tape))
1879           Request("No tape for this level!", REQ_CONFIRM);
1880       }
1881       else
1882       {
1883         if (tape.changed)
1884           SaveTapeChecked(level_nr);
1885
1886         TapeErase();
1887       }
1888
1889       DrawCompleteVideoDisplay();
1890       break;
1891
1892     case TAPE_CTRL_ID_EXTRA:
1893       if (tape.playing)
1894       {
1895         tape.pause_before_end = !tape.pause_before_end;
1896
1897         DrawVideoDisplayCurrentState();
1898       }
1899       else if (tape.recording)
1900       {
1901         TapeSingleStep();
1902       }
1903
1904       break;
1905
1906     case TAPE_CTRL_ID_STOP:
1907       TapeStop();
1908
1909       break;
1910
1911     case TAPE_CTRL_ID_PAUSE:
1912       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1913
1914       break;
1915
1916     case TAPE_CTRL_ID_RECORD:
1917       if (TAPE_IS_STOPPED(tape))
1918       {
1919         TapeStartGameRecording();
1920       }
1921       else if (tape.pausing)
1922       {
1923         if (tape.playing)                       // PLAY -> PAUSE -> RECORD
1924           TapeAppendRecording();
1925         else
1926           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1927       }
1928
1929       break;
1930
1931     case TAPE_CTRL_ID_PLAY:
1932       if (tape.recording && tape.pausing)       // PAUSE -> RECORD
1933       {
1934         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
1935
1936         TapeTogglePause(TAPE_TOGGLE_MANUAL);
1937       }
1938
1939       if (TAPE_IS_EMPTY(tape))
1940         break;
1941
1942       if (TAPE_IS_STOPPED(tape))
1943       {
1944         TapeStartGamePlaying();
1945       }
1946       else if (tape.playing)
1947       {
1948         if (tape.pausing)                       // PAUSE -> PLAY
1949         {
1950           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
1951         }
1952         else if (!tape.fast_forward)            // PLAY -> FFWD
1953         {
1954           tape.fast_forward = TRUE;
1955         }
1956         else if (!tape.warp_forward)            // FFWD -> WARP
1957         {
1958           tape.warp_forward = TRUE;
1959         }
1960         else if (!tape.deactivate_display)      // WARP -> WARP BLIND
1961         {
1962           tape.deactivate_display = TRUE;
1963
1964           TapeDeactivateDisplayOn();
1965         }
1966         else                                    // WARP BLIND -> PLAY
1967         {
1968           tape.fast_forward = FALSE;
1969           tape.warp_forward = FALSE;
1970           tape.deactivate_display = FALSE;
1971
1972           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1973         }
1974
1975         DrawVideoDisplayCurrentState();
1976       }
1977
1978       break;
1979
1980     case TAPE_CTRL_ID_INSERT_SOLUTION:
1981       InsertSolutionTape();
1982
1983       break;
1984
1985     case TAPE_CTRL_ID_PLAY_SOLUTION:
1986       PlaySolutionTape();
1987
1988       break;
1989
1990     default:
1991       break;
1992   }
1993 }
1994
1995 static void HandleTapeButtons(struct GadgetInfo *gi)
1996 {
1997   HandleTapeButtonsExt(gi->custom_id);
1998 }
1999
2000 void HandleTapeButtonKeys(Key key)
2001 {
2002   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
2003   boolean extra_button_is_active = !eject_button_is_active;
2004
2005   if (key == setup.shortcut.tape_eject && eject_button_is_active)
2006     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
2007   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
2008     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
2009   else if (key == setup.shortcut.tape_stop)
2010     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
2011   else if (key == setup.shortcut.tape_pause)
2012     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
2013   else if (key == setup.shortcut.tape_record)
2014     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
2015   else if (key == setup.shortcut.tape_play)
2016     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
2017 }