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_raw = (value / 100) % 100;
 316       int month_index = month_index_raw % 12;   // prevent invalid index
 317       int month = month_index + 1;
 318       int day = value % 100;
 319
 320       strcpy(s, (type & DATETIME_DATE_YYYY ? int2str(year4, 4) :
 321                  type & DATETIME_DATE_YY   ? int2str(year2, 2) :
 322                  type & DATETIME_DATE_MON  ? month_shortnames[month_index] :
 323                  type & DATETIME_DATE_MM   ? int2str(month, 2) :
 324                  type & DATETIME_DATE_DD   ? int2str(day, 2) : ""));
 325
 326       DrawText(xpos, ypos, s, pos->font);
 327     }
 328     else if ((type & DATETIME_TIME) && (state & VIDEO_STATE_TIME_ON))
 329     {
 330       char s[MAX_DATETIME_STRING_SIZE];
 331       int hh = (value / 3600) % 100;
 332       int min = value / 60;
 333       int mm = (value / 60) % 60;
 334       int ss = value % 60;
 335
 336       strcpy(s, (type & DATETIME_TIME_HH  ? int2str(hh, 2) :
 337                  type & DATETIME_TIME_MIN ? int2str(min, 2) :
 338                  type & DATETIME_TIME_MM  ? int2str(mm, 2) :
 339                  type & DATETIME_TIME_SS  ? int2str(ss, 2) : ""));
 340
 341       DrawText(xpos, ypos, s, pos->font);
 342     }
 343     else if ((type & DATETIME_FRAME) && (state & VIDEO_STATE_FRAME_ON))
 344     {
 345       DrawText(xpos, ypos, int2str(value, pos->size), pos->font);
 346     }
 347   }
 348 }
 349
 350 void DrawVideoDisplay(unsigned int state, unsigned int value)
 351 {
 352   DrawVideoDisplay_Graphics(state, value);
 353   DrawVideoDisplay_DateTime(state, value);
 354 }
 355
 356 static void DrawVideoDisplayLabel(unsigned int state)
 357 {
 358   DrawVideoDisplay(state, VIDEO_DISPLAY_LABEL_ONLY);
 359 }
 360
 361 static void DrawVideoDisplaySymbol(unsigned int state)
 362 {
 363   DrawVideoDisplay(state, VIDEO_DISPLAY_SYMBOL_ONLY);
 364 }
 365
 366 static void DrawVideoDisplayCurrentState(void)
 367 {
 368   int state = 0;
 369
 370   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 371
 372   if (tape.pausing)
 373     state |= VIDEO_STATE_PAUSE_ON;
 374
 375   if (tape.recording)
 376   {
 377     state |= VIDEO_STATE_REC_ON;
 378
 379     if (tape.single_step)
 380       state |= VIDEO_STATE_1STEP_ON;
 381   }
 382   else if (tape.playing)
 383   {
 384     state |= VIDEO_STATE_PLAY_ON;
 385
 386     if (!tape.pausing)
 387     {
 388       if (tape.deactivate_display)
 389         state |= VIDEO_STATE_WARP2_ON;
 390       else if (tape.warp_forward)
 391         state |= VIDEO_STATE_WARP_ON;
 392       else if (tape.fast_forward)
 393         state |= VIDEO_STATE_FFWD_ON;
 394
 395       if (tape.pause_before_end)
 396         state |= VIDEO_STATE_PBEND_ON;
 397     }
 398   }
 399
 400   // draw labels and symbols separately to prevent labels overlapping symbols
 401   DrawVideoDisplayLabel(state);
 402   DrawVideoDisplaySymbol(state);
 403 }
 404
 405 void DrawCompleteVideoDisplay(void)
 406 {
 407   struct GraphicInfo *g_tape = &graphic_info[IMG_BACKGROUND_TAPE];
 408
 409   // draw tape background
 410   BlitBitmap(g_tape->bitmap, drawto, g_tape->src_x, g_tape->src_y,
 411              gfx.vxsize, gfx.vysize, gfx.vx, gfx.vy);
 412
 413   // draw tape buttons (forced)
 414   RedrawOrRemapTapeButtons();
 415
 416   DrawVideoDisplay(VIDEO_ALL_OFF, 0);
 417
 418   if (tape.recording)
 419   {
 420     DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 421     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 422     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 423     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 424
 425     if (tape.pausing)
 426       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
 427   }
 428   else if (tape.playing)
 429   {
 430     DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 431     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 432     DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 433     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 434
 435     if (tape.pausing)
 436       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
 437   }
 438   else if (tape.date && tape.length)
 439   {
 440     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 441     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 442     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 443   }
 444
 445   BlitBitmap(drawto, bitmap_db_door_2, gfx.vx, gfx.vy, gfx.vxsize, gfx.vysize,
 446              0, 0);
 447 }
 448
 449 void TapeDeactivateDisplayOn(void)
 450 {
 451   SetDrawDeactivationMask(REDRAW_FIELD);
 452   audio.sound_deactivated = TRUE;
 453 }
 454
 455 void TapeDeactivateDisplayOff(boolean redraw_display)
 456 {
 457   SetDrawDeactivationMask(REDRAW_NONE);
 458   audio.sound_deactivated = FALSE;
 459
 460   if (redraw_display)
 461   {
 462     RedrawPlayfield();
 463
 464     UpdateGameDoorValues();
 465     DrawGameDoorValues();
 466   }
 467 }
 468
 469
 470 // ============================================================================
 471 // tape logging functions
 472 // ============================================================================
 473
 474 static char tape_patch_info[MAX_OUTPUT_LINESIZE];
 475
 476 static void PrintTapeReplayProgress(boolean replay_finished)
 477 {
 478   static unsigned int counter_last = -1;
 479   unsigned int counter = Counter();
 480   unsigned int counter_seconds  = counter / 1000;
 481
 482   if (!replay_finished)
 483   {
 484     unsigned int counter_delay = 50;
 485
 486     if (counter > counter_last + counter_delay)
 487     {
 488       PrintNoLog("\r");
 489       PrintNoLog("Tape %03d %s[%02d:%02d]: [%02d:%02d] - playing tape ... ",
 490                  level_nr,  tape_patch_info,
 491                  tape.length_seconds / 60, tape.length_seconds % 60,
 492                  TapeTime / 60, TapeTime % 60);
 493
 494       counter_last = counter;
 495     }
 496   }
 497   else
 498   {
 499     float tape_length_seconds = GetTapeLengthSecondsFloat();
 500
 501     PrintNoLog("\r");
 502     Print("Tape %03d %s[%02d:%02d]: (%02d:%02d.%03d / %.2f %%) - %s.\n",
 503           level_nr, tape_patch_info,
 504           tape.length_seconds / 60, tape.length_seconds % 60,
 505           counter_seconds / 60, counter_seconds % 60, counter % 1000,
 506           (float)counter / tape_length_seconds / 10,
 507           tape.auto_play_level_fixed ? "solved and fixed" :
 508           tape.auto_play_level_solved ? "solved" :
 509           tape.auto_play_level_not_fixable ? "NOT SOLVED, NOT FIXED" :
 510           "NOT SOLVED");
 511
 512     counter_last = -1;
 513   }
 514 }
 515
 516 static FILE *tape_log_file;
 517
 518 static void OpenTapeLogfile(void)
 519 {
 520   if (!(tape_log_file = fopen(options.tape_log_filename, MODE_WRITE)))
 521     Warn("cannot write tape logfile '%s'", options.tape_log_filename);
 522 }
 523
 524 static void WriteTapeLogfile(byte action[MAX_TAPE_ACTIONS])
 525 {
 526   int i;
 527
 528   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 529     putFile8Bit(tape_log_file, action[i]);
 530 }
 531
 532 static void CloseTapeLogfile(void)
 533 {
 534   fclose(tape_log_file);
 535 }
 536
 537
 538 // ============================================================================
 539 // tape control functions
 540 // ============================================================================
 541
 542 void TapeSetDateFromEpochSeconds(time_t epoch_seconds)
 543 {
 544   struct tm *lt = localtime(&epoch_seconds);
 545
 546   tape.date = 10000 * (lt->tm_year % 100) + 100 * lt->tm_mon + lt->tm_mday;
 547 }
 548
 549 void TapeSetDateFromNow(void)
 550 {
 551   TapeSetDateFromEpochSeconds(time(NULL));
 552 }
 553
 554 void TapeErase(void)
 555 {
 556   int i;
 557
 558   CopyTapeToUndoBuffer();
 559
 560   tape.counter = 0;
 561   tape.length = 0;
 562   tape.length_frames = 0;
 563   tape.length_seconds = 0;
 564
 565   tape.score_tape_basename[0] = '\0';
 566
 567   if (leveldir_current)
 568   {
 569     strncpy(tape.level_identifier, leveldir_current->identifier,
 570             MAX_FILENAME_LEN);
 571     tape.level_identifier[MAX_FILENAME_LEN] = '\0';
 572   }
 573
 574   tape.level_nr = level_nr;
 575   tape.pos[tape.counter].delay = 0;
 576   tape.changed = TRUE;
 577
 578   tape.random_seed = InitRND(level.random_seed);
 579
 580   tape.file_version = FILE_VERSION_ACTUAL;
 581   tape.game_version = GAME_VERSION_ACTUAL;
 582   tape.engine_version = level.game_version;
 583
 584   tape.property_bits = TAPE_PROPERTY_NONE;
 585
 586   TapeSetDateFromNow();
 587
 588   for (i = 0; i < MAX_PLAYERS; i++)
 589     tape.player_participates[i] = FALSE;
 590
 591   tape.centered_player_nr_next = -1;
 592   tape.set_centered_player = FALSE;
 593
 594   // set flags for game actions to default values (may be overwritten later)
 595   tape.use_key_actions = TRUE;
 596   tape.use_mouse_actions = FALSE;
 597 }
 598
 599 static void TapeRewind(void)
 600 {
 601   tape.counter = 0;
 602   tape.delay_played = 0;
 603   tape.pause_before_end = FALSE;
 604   tape.recording = FALSE;
 605   tape.playing = FALSE;
 606   tape.fast_forward = FALSE;
 607   tape.warp_forward = FALSE;
 608   tape.deactivate_display = FALSE;
 609   tape.auto_play = (global.autoplay_leveldir != NULL);
 610   tape.auto_play_level_solved = FALSE;
 611   tape.auto_play_level_fixed = FALSE;
 612   tape.auto_play_level_not_fixable = FALSE;
 613   tape.quick_resume = FALSE;
 614   tape.single_step = FALSE;
 615
 616   tape.centered_player_nr_next = -1;
 617   tape.set_centered_player = FALSE;
 618
 619   InitRND(tape.random_seed);
 620 }
 621
 622 static void TapeSetRandomSeed(int random_seed)
 623 {
 624   tape.random_seed = InitRND(random_seed);
 625 }
 626
 627 void TapeStartRecording(int random_seed)
 628 {
 629   if (!TAPE_IS_STOPPED(tape))
 630     TapeStop();
 631
 632   TapeErase();
 633   TapeRewind();
 634   TapeSetRandomSeed(random_seed);
 635
 636   tape.recording = TRUE;
 637
 638   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 639   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 640   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 641   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 642
 643   MapTapeWarpButton();
 644
 645   SetDrawDeactivationMask(REDRAW_NONE);
 646   audio.sound_deactivated = FALSE;
 647
 648   // required here to update video display if tape door is closed
 649   if (GetDoorState() & DOOR_CLOSE_2)
 650     OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
 651 }
 652
 653 static void TapeStartGameRecording(void)
 654 {
 655   StartGameActions(network.enabled, TRUE, level.random_seed);
 656 }
 657
 658 static void TapeAppendRecording(void)
 659 {
 660   if (!tape.playing || !tape.pausing)
 661     return;
 662
 663   // stop playing
 664   tape.playing = FALSE;
 665   tape.fast_forward = FALSE;
 666   tape.warp_forward = FALSE;
 667   tape.pause_before_end = FALSE;
 668   tape.deactivate_display = FALSE;
 669
 670   // start recording
 671   tape.recording = TRUE;
 672   tape.changed = TRUE;
 673
 674   // set current delay (for last played move)
 675   tape.pos[tape.counter].delay = tape.delay_played;
 676
 677   tape.property_bits |= TAPE_PROPERTY_REPLAYED;
 678
 679   // set current date
 680   TapeSetDateFromNow();
 681
 682   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 683   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
 684
 685   UpdateAndDisplayGameControlValues();
 686 }
 687
 688 void TapeHaltRecording(void)
 689 {
 690   tape.counter++;
 691
 692   // initialize delay for next tape entry (to be able to continue recording)
 693   if (tape.counter < MAX_TAPE_LEN)
 694     tape.pos[tape.counter].delay = 0;
 695
 696   tape.length = tape.counter;
 697   tape.length_frames = GetTapeLengthFrames();
 698   tape.length_seconds = GetTapeLengthSeconds();
 699 }
 700
 701 void TapeStopRecording(void)
 702 {
 703   if (tape.recording)
 704     TapeHaltRecording();
 705
 706   tape.recording = FALSE;
 707   tape.pausing = FALSE;
 708
 709   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
 710   MapTapeEjectButton();
 711 }
 712
 713 boolean TapeAddAction(byte action[MAX_TAPE_ACTIONS])
 714 {
 715   int i;
 716
 717   if (tape.pos[tape.counter].delay > 0)         // already stored action
 718   {
 719     boolean changed_events = FALSE;
 720
 721     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 722       if (tape.pos[tape.counter].action[i] != action[i])
 723         changed_events = TRUE;
 724
 725     if (changed_events || tape.pos[tape.counter].delay >= 255)
 726     {
 727       if (tape.counter >= MAX_TAPE_LEN - 1)
 728         return FALSE;
 729
 730       tape.counter++;
 731       tape.pos[tape.counter].delay = 0;
 732     }
 733     else
 734       tape.pos[tape.counter].delay++;
 735   }
 736
 737   if (tape.pos[tape.counter].delay == 0)        // store new action
 738   {
 739     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 740       tape.pos[tape.counter].action[i] = action[i];
 741
 742     tape.pos[tape.counter].delay++;
 743   }
 744
 745   return TRUE;
 746 }
 747
 748 void TapeRecordAction(byte action_raw[MAX_TAPE_ACTIONS])
 749 {
 750   byte action[MAX_TAPE_ACTIONS];
 751   int i;
 752
 753   if (!tape.recording)          // (record action even when tape is paused)
 754     return;
 755
 756   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 757     action[i] = action_raw[i];
 758
 759   if (tape.use_key_actions && tape.set_centered_player)
 760   {
 761     for (i = 0; i < MAX_PLAYERS; i++)
 762       if (tape.centered_player_nr_next == i ||
 763           tape.centered_player_nr_next == -1)
 764         action[i] |= KEY_SET_FOCUS;
 765
 766     tape.set_centered_player = FALSE;
 767   }
 768
 769   if (GameFrameDelay != GAME_FRAME_DELAY)
 770     tape.property_bits |= TAPE_PROPERTY_GAME_SPEED;
 771
 772   if (setup.small_game_graphics || SCR_FIELDX >= 2 * SCR_FIELDX_DEFAULT)
 773     tape.property_bits |= TAPE_PROPERTY_SMALL_GRAPHICS;
 774
 775   if (!TapeAddAction(action))
 776     TapeStopRecording();
 777 }
 778
 779 void TapeTogglePause(boolean toggle_mode)
 780 {
 781   if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
 782   {
 783     // continue playing in normal mode
 784     tape.fast_forward = FALSE;
 785     tape.warp_forward = FALSE;
 786     tape.deactivate_display = FALSE;
 787
 788     tape.pause_before_end = FALSE;
 789   }
 790
 791   tape.pausing = !tape.pausing;
 792
 793   if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
 794     tape.single_step = FALSE;
 795
 796   if (tape.single_step)
 797     tape.property_bits |= TAPE_PROPERTY_SINGLE_STEP;
 798
 799   if (tape.pausing)
 800     tape.property_bits |= TAPE_PROPERTY_PAUSE_MODE;
 801
 802   DrawVideoDisplayCurrentState();
 803
 804   if (tape.deactivate_display)
 805   {
 806     if (tape.pausing)
 807       TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 808     else
 809       TapeDeactivateDisplayOn();
 810   }
 811
 812   if (tape.quick_resume)
 813   {
 814     tape.quick_resume = FALSE;
 815
 816     TapeStopWarpForward();
 817     TapeAppendRecording();
 818
 819     if (!CheckEngineSnapshotSingle())
 820       SaveEngineSnapshotSingle();
 821
 822     // restart step/move snapshots after quick loading tape
 823     SaveEngineSnapshotToListInitial();
 824
 825     // do not map undo/redo buttons after quick loading tape
 826     return;
 827   }
 828
 829   if (game_status == GAME_MODE_PLAYING)
 830   {
 831     if (setup.show_snapshot_buttons && CheckEngineSnapshotList())
 832     {
 833       if (tape.pausing)
 834         MapUndoRedoButtons();
 835       else if (!tape.single_step)
 836         UnmapUndoRedoButtons();
 837     }
 838
 839     ModifyPauseButtons();
 840   }
 841 }
 842
 843 void TapeStartPlaying(void)
 844 {
 845   if (TAPE_IS_EMPTY(tape))
 846     return;
 847
 848   if (!TAPE_IS_STOPPED(tape))
 849     TapeStop();
 850
 851   TapeRewind();
 852
 853   tape.playing = TRUE;
 854
 855   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 856   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 857   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 858   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 859
 860   MapTapeWarpButton();
 861
 862   SetDrawDeactivationMask(REDRAW_NONE);
 863   audio.sound_deactivated = FALSE;
 864 }
 865
 866 static void TapeStartGamePlaying(void)
 867 {
 868   TapeStartPlaying();
 869
 870   InitGame();
 871 }
 872
 873 void TapeStopPlaying(void)
 874 {
 875   tape.playing = FALSE;
 876   tape.pausing = FALSE;
 877
 878   if (tape.warp_forward)
 879     TapeStopWarpForward();
 880
 881   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 882   MapTapeEjectButton();
 883 }
 884
 885 byte *TapePlayAction(void)
 886 {
 887   int update_delay = FRAMES_PER_SECOND / 2;
 888   boolean update_video_display = (FrameCounter % update_delay == 0);
 889   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
 890   static byte action[MAX_TAPE_ACTIONS];
 891   int i;
 892
 893   if (!tape.playing || tape.pausing)
 894     return NULL;
 895
 896   if (tape.pause_before_end)  // stop some seconds before end of tape
 897   {
 898     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
 899     {
 900       TapeStopWarpForward();
 901       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 902
 903       return NULL;
 904     }
 905   }
 906
 907   if (tape.counter >= tape.length)      // end of tape reached
 908   {
 909     if (tape.warp_forward && !tape.auto_play)
 910     {
 911       TapeStopWarpForward();
 912       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 913     }
 914     else
 915     {
 916       TapeStop();
 917     }
 918
 919     return NULL;
 920   }
 921
 922   if (update_video_display && !tape.deactivate_display)
 923   {
 924     int state = 0;
 925
 926     if (tape.warp_forward)
 927       state |= VIDEO_STATE_WARP(update_draw_label_on);
 928     else if (tape.fast_forward)
 929       state |= VIDEO_STATE_FFWD(update_draw_label_on);
 930
 931     if (tape.pause_before_end)
 932       state |= VIDEO_STATE_PBEND(update_draw_label_on);
 933
 934     // draw labels and symbols separately to prevent labels overlapping symbols
 935     DrawVideoDisplayLabel(state);
 936     DrawVideoDisplaySymbol(state);
 937   }
 938
 939   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 940     action[i] = tape.pos[tape.counter].action[i];
 941
 942 #if DEBUG_TAPE_WHEN_PLAYING
 943   DebugContinued("", "%05d", FrameCounter);
 944   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 945     DebugContinued("", "   %08x", action[i]);
 946   DebugContinued("tape:play", "\n");
 947 #endif
 948
 949   tape.set_centered_player = FALSE;
 950   tape.centered_player_nr_next = -999;
 951
 952   if (tape.use_key_actions)
 953   {
 954     for (i = 0; i < MAX_PLAYERS; i++)
 955     {
 956       if (action[i] & KEY_SET_FOCUS)
 957       {
 958         tape.set_centered_player = TRUE;
 959         tape.centered_player_nr_next =
 960           (tape.centered_player_nr_next == -999 ? i : -1);
 961       }
 962
 963       action[i] &= ~KEY_SET_FOCUS;
 964     }
 965   }
 966
 967   tape.delay_played++;
 968   if (tape.delay_played >= tape.pos[tape.counter].delay)
 969   {
 970     tape.counter++;
 971     tape.delay_played = 0;
 972   }
 973
 974   if (tape.auto_play)
 975     PrintTapeReplayProgress(FALSE);
 976
 977   if (options.tape_log_filename != NULL)
 978     WriteTapeLogfile(action);
 979
 980   return action;
 981 }
 982
 983 void TapeStop(void)
 984 {
 985   if (tape.pausing)
 986     TapeTogglePause(TAPE_TOGGLE_MANUAL);
 987
 988   TapeStopRecording();
 989   TapeStopPlaying();
 990
 991   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 992
 993   if (tape.date && tape.length)
 994   {
 995     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 996     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 997     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 998   }
 999 }
1000
1001 unsigned int GetTapeLengthFrames(void)
1002 {
1003   unsigned int tape_length_frames = 0;
1004   int i;
1005
1006   if (TAPE_IS_EMPTY(tape))
1007     return 0;
1008
1009   for (i = 0; i < tape.length; i++)
1010     tape_length_frames += tape.pos[i].delay;
1011
1012   return tape_length_frames;
1013 }
1014
1015 unsigned int GetTapeLengthSeconds(void)
1016 {
1017   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
1018 }
1019
1020 static float GetTapeLengthSecondsFloat(void)
1021 {
1022   return ((float)GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
1023 }
1024
1025 static void TapeStartWarpForward(int mode)
1026 {
1027   tape.fast_forward = (mode & AUTOPLAY_FFWD);
1028   tape.warp_forward = (mode & AUTOPLAY_WARP);
1029   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
1030
1031   tape.pausing = FALSE;
1032
1033   if (tape.deactivate_display)
1034     TapeDeactivateDisplayOn();
1035
1036   DrawVideoDisplayCurrentState();
1037 }
1038
1039 static void TapeStopWarpForward(void)
1040 {
1041   tape.fast_forward = FALSE;
1042   tape.warp_forward = FALSE;
1043   tape.deactivate_display = FALSE;
1044
1045   tape.pause_before_end = FALSE;
1046
1047   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1048
1049   DrawVideoDisplayCurrentState();
1050 }
1051
1052 static void TapeSingleStep(void)
1053 {
1054   if (network.enabled)
1055     return;
1056
1057   if (!tape.pausing)
1058     TapeTogglePause(TAPE_TOGGLE_MANUAL);
1059
1060   tape.single_step = !tape.single_step;
1061
1062   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
1063 }
1064
1065 void TapeQuickSave(void)
1066 {
1067   if (game_status == GAME_MODE_MAIN)
1068   {
1069     Request("No game that can be saved!", REQ_CONFIRM);
1070
1071     return;
1072   }
1073
1074   if (game_status != GAME_MODE_PLAYING)
1075     return;
1076
1077   if (tape.recording)
1078     TapeHaltRecording();        // prepare tape for saving on-the-fly
1079
1080   if (TAPE_IS_EMPTY(tape))
1081   {
1082     Request("No tape that can be saved!", REQ_CONFIRM);
1083
1084     return;
1085   }
1086
1087   tape.property_bits |= TAPE_PROPERTY_SNAPSHOT;
1088
1089   if (SaveTapeChecked(tape.level_nr))
1090     SaveEngineSnapshotSingle();
1091 }
1092
1093 void TapeQuickLoad(void)
1094 {
1095   char *filename = getTapeFilename(level_nr);
1096
1097   if (!fileExists(filename))
1098   {
1099     Request("No tape for this level!", REQ_CONFIRM);
1100
1101     return;
1102   }
1103
1104   if (tape.recording && !Request("Stop recording and load tape?",
1105                                  REQ_ASK | REQ_STAY_CLOSED))
1106   {
1107     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1108
1109     return;
1110   }
1111
1112   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1113     return;
1114
1115   if (CheckEngineSnapshotSingle())
1116   {
1117     TapeStartGamePlaying();
1118
1119     LoadEngineSnapshotSingle();
1120
1121     DrawCompleteVideoDisplay();
1122
1123     tape.playing = TRUE;
1124     tape.pausing = TRUE;
1125
1126     TapeStopWarpForward();
1127     TapeAppendRecording();
1128
1129     // restart step/move snapshots after quick loading tape
1130     SaveEngineSnapshotToListInitial();
1131
1132     if (FrameCounter > 0)
1133       return;
1134   }
1135
1136   TapeStop();
1137   TapeErase();
1138
1139   LoadTape(level_nr);
1140
1141   if (!TAPE_IS_EMPTY(tape))
1142   {
1143     TapeStartGamePlaying();
1144     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1145
1146     tape.quick_resume = TRUE;
1147     tape.property_bits |= TAPE_PROPERTY_SNAPSHOT;
1148   }
1149   else  // this should not happen (basically checked above)
1150   {
1151     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1152
1153     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1154   }
1155 }
1156
1157 boolean hasSolutionTape(void)
1158 {
1159   boolean tape_file_exists = fileExists(getSolutionTapeFilename(level_nr));
1160   boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
1161                             level.native_sp_level->demo.is_available);
1162
1163   return (tape_file_exists || level_has_tape);
1164 }
1165
1166 boolean InsertSolutionTape(void)
1167 {
1168   if (!hasSolutionTape())
1169   {
1170     Request("No solution tape for this level!", REQ_CONFIRM);
1171
1172     return FALSE;
1173   }
1174
1175   if (!TAPE_IS_STOPPED(tape))
1176     TapeStop();
1177
1178   // if tape recorder already contains a tape, remove it without asking
1179   TapeErase();
1180
1181   LoadSolutionTape(level_nr);
1182
1183   DrawCompleteVideoDisplay();
1184
1185   if (TAPE_IS_EMPTY(tape))
1186   {
1187     Request("Loading solution tape for this level failed!", REQ_CONFIRM);
1188
1189     return FALSE;
1190   }
1191
1192   return TRUE;
1193 }
1194
1195 boolean PlaySolutionTape(void)
1196 {
1197   if (!InsertSolutionTape())
1198     return FALSE;
1199
1200   TapeStartGamePlaying();
1201
1202   return TRUE;
1203 }
1204
1205 static boolean checkTapesFromSameLevel(struct TapeInfo *t1, struct TapeInfo *t2)
1206 {
1207   return (strEqual(t1->level_identifier, t2->level_identifier) &&
1208           t1->level_nr == t2->level_nr);
1209 }
1210
1211 static void CopyTape(struct TapeInfo *tape_from, struct TapeInfo *tape_to)
1212 {
1213   *tape_to = *tape_from;
1214 }
1215
1216 static void SwapTapes(struct TapeInfo *t1, struct TapeInfo *t2)
1217 {
1218   struct TapeInfo tmp = *t1;
1219
1220   *t1 = *t2;
1221   *t2 = tmp;
1222 }
1223
1224 static void CopyTapeToUndoBuffer(void)
1225 {
1226   // copy tapes to undo buffer if large enough (or larger than last undo tape)
1227   // or if the last undo tape is from a different level set or level number
1228   if (tape.length_seconds >= TAPE_MIN_SECONDS_FOR_UNDO_BUFFER ||
1229       tape.length_seconds >= tape_undo_buffer.length_seconds ||
1230       !checkTapesFromSameLevel(&tape, &tape_undo_buffer))
1231   {
1232     CopyTape(&tape, &tape_undo_buffer);
1233   }
1234 }
1235
1236 void UndoTape(void)
1237 {
1238   // only undo tapes from same level set and with same level number
1239   if (!checkTapesFromSameLevel(&tape, &tape_undo_buffer))
1240     return;
1241
1242   if (!TAPE_IS_STOPPED(tape))
1243     TapeStop();
1244
1245   // swap last recorded tape with undo buffer, so undo can be reversed
1246   SwapTapes(&tape, &tape_undo_buffer);
1247
1248   DrawCompleteVideoDisplay();
1249 }
1250
1251 void FixTape_ForceSinglePlayer(void)
1252 {
1253   int i;
1254
1255   /* fix single-player tapes that contain player input for more than one
1256      player (due to a bug in 3.3.1.2 and earlier versions), which results
1257      in playing levels with more than one player in multi-player mode,
1258      even though the tape was originally recorded in single-player mode */
1259
1260   // remove player input actions for all players but the first one
1261   for (i = 1; i < MAX_PLAYERS; i++)
1262     tape.player_participates[i] = FALSE;
1263
1264   tape.changed = TRUE;
1265 }
1266
1267
1268 // ----------------------------------------------------------------------------
1269 // tape autoplay functions
1270 // ----------------------------------------------------------------------------
1271
1272 static void AutoPlayTapes_SetScoreEntry(int score, int time)
1273 {
1274   // set unique basename for score tape (for uploading to score server)
1275   strcpy(tape.score_tape_basename, getScoreTapeBasename(setup.player_name));
1276
1277   // store score in first score entry
1278   scores.last_added = 0;
1279
1280   struct ScoreEntry *entry = &scores.entry[scores.last_added];
1281
1282   strncpy(entry->tape_basename, tape.score_tape_basename, MAX_FILENAME_LEN);
1283   strncpy(entry->name, setup.player_name, MAX_PLAYER_NAME_LEN);
1284
1285   entry->score = score;
1286   entry->time = time;
1287
1288   PrintNoLog("- uploading score tape to score server ... ");
1289
1290   server_scores.uploaded = FALSE;
1291 }
1292
1293 static void AutoPlayTapes_WaitForUpload(void)
1294 {
1295   unsigned int upload_delay = 0;
1296   unsigned int upload_delay_value = 10000;
1297
1298   ResetDelayCounter(&upload_delay);
1299
1300   // wait for score tape to be successfully uploaded (and fail on timeout)
1301   while (!server_scores.uploaded)
1302   {
1303     if (DelayReached(&upload_delay, upload_delay_value))
1304     {
1305       PrintNoLog("\r");
1306       Print("- uploading score tape to score server - TIMEOUT.\n");
1307
1308       Fail("cannot upload score tape to score server");
1309     }
1310
1311     Delay(20);
1312   }
1313
1314   PrintNoLog("\r");
1315   Print("- uploading score tape to score server - uploaded.\n");
1316 }
1317
1318 void AutoPlayTapes(void)
1319 {
1320   static LevelDirTree *autoplay_leveldir = NULL;
1321   static boolean autoplay_initialized = FALSE;
1322   static int autoplay_last_level_nr = -1;
1323   static int autoplay_level_nr = -1;
1324   static int num_levels_played = 0;
1325   static int num_levels_solved = 0;
1326   static int num_tapes_patched = 0;
1327   static int num_tape_missing = 0;
1328   static boolean level_failed[MAX_TAPES_PER_SET];
1329   static char *tape_filename = NULL;
1330   static int patch_nr = 0;
1331   static char *patch_name[] =
1332   {
1333     "original tape",
1334     "em_random_bug",
1335     "screen_34x34",
1336
1337     NULL
1338   };
1339   static int patch_version_first[] =
1340   {
1341     VERSION_IDENT(0,0,0,0),
1342     VERSION_IDENT(3,3,1,0),
1343     VERSION_IDENT(0,0,0,0),
1344
1345     -1
1346   };
1347   static int patch_version_last[] =
1348   {
1349     VERSION_IDENT(9,9,9,9),
1350     VERSION_IDENT(4,0,1,1),
1351     VERSION_IDENT(4,2,2,0),
1352
1353     -1
1354   };
1355   static byte patch_property_bit[] =
1356   {
1357     TAPE_PROPERTY_NONE,
1358     TAPE_PROPERTY_EM_RANDOM_BUG,
1359     TAPE_PROPERTY_NONE,
1360
1361     -1
1362   };
1363   int i;
1364
1365   if (autoplay_initialized)
1366   {
1367     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1368     {
1369       if (tape.auto_play_level_solved)
1370       {
1371         if (patch_nr > 0)
1372         {
1373           // level solved by patched tape -- save fixed tape
1374           char *filename = getTapeFilename(level_nr);
1375           char *filename_orig = getStringCat2(filename, ".orig");
1376
1377           // create backup from old tape, if not yet existing
1378           if (!fileExists(filename_orig))
1379             rename(filename, filename_orig);
1380
1381           SaveTapeToFilename(filename);
1382
1383           tape.auto_play_level_fixed = TRUE;
1384           num_tapes_patched++;
1385         }
1386
1387         // continue with next tape
1388         patch_nr = 0;
1389       }
1390       else if (patch_name[patch_nr + 1] != NULL)
1391       {
1392         // level not solved by patched tape -- continue with next patch
1393         patch_nr++;
1394       }
1395       else
1396       {
1397         // level not solved by any patched tape -- continue with next tape
1398         tape.auto_play_level_not_fixable = TRUE;
1399         patch_nr = 0;
1400       }
1401     }
1402
1403     // just finished auto-playing tape
1404     PrintTapeReplayProgress(TRUE);
1405
1406     if (options.tape_log_filename != NULL)
1407       CloseTapeLogfile();
1408
1409     if (global.autoplay_mode == AUTOPLAY_MODE_SAVE &&
1410         tape.auto_play_level_solved)
1411     {
1412       AutoPlayTapes_SetScoreEntry(game.score_final, game.score_time_final);
1413
1414       if (leveldir_current)
1415       {
1416         // the tape's level set identifier may differ from current level set
1417         strncpy(tape.level_identifier, leveldir_current->identifier,
1418                 MAX_FILENAME_LEN);
1419         tape.level_identifier[MAX_FILENAME_LEN] = '\0';
1420
1421         // the tape's level number may differ from current level number
1422         tape.level_nr = level_nr;
1423       }
1424
1425       // save score tape to upload to server; may be required for some reasons:
1426       // * level set identifier in solution tapes may differ from level set
1427       // * solution tape may have native format (like Supaplex solution files)
1428
1429       SaveScoreTape(level_nr);
1430       SaveServerScore(level_nr);
1431
1432       AutoPlayTapes_WaitForUpload();
1433     }
1434
1435     if (patch_nr == 0)
1436       num_levels_played++;
1437
1438     if (tape.auto_play_level_solved)
1439       num_levels_solved++;
1440
1441     if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1442       level_failed[level_nr] = !tape.auto_play_level_solved;
1443   }
1444   else
1445   {
1446     DrawCompleteVideoDisplay();
1447
1448     audio.sound_enabled = FALSE;
1449     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1450
1451     if (strSuffix(global.autoplay_leveldir, ".tape"))
1452     {
1453       tape_filename = global.autoplay_leveldir;
1454
1455       LoadTapeFromFilename(tape_filename);
1456
1457       if (tape.no_valid_file)
1458       {
1459         if (!fileExists(tape_filename))
1460           Fail("tape file '%s' does not exist", tape_filename);
1461         else
1462           Fail("cannot load tape file '%s'", tape_filename);
1463       }
1464
1465       global.autoplay_leveldir = tape.level_identifier;
1466
1467       if (tape.level_nr >= 0 && tape.level_nr < MAX_TAPES_PER_SET)
1468         global.autoplay_level[tape.level_nr] = TRUE;
1469
1470       global.autoplay_all = FALSE;
1471     }
1472
1473     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1474                                                   global.autoplay_leveldir);
1475
1476     if (autoplay_leveldir == NULL)
1477       Fail("no such level identifier: '%s'", global.autoplay_leveldir);
1478
1479     leveldir_current = autoplay_leveldir;
1480
1481     if (autoplay_leveldir->first_level < 0)
1482       autoplay_leveldir->first_level = 0;
1483     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1484       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1485
1486     autoplay_level_nr = autoplay_leveldir->first_level;
1487
1488     PrintLine("=", 79);
1489     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1490       Print("Automatically fixing level tapes\n");
1491     else if (global.autoplay_mode == AUTOPLAY_MODE_UPLOAD)
1492       Print("Automatically uploading level tapes\n");
1493     else
1494       Print("Automatically playing level tapes\n");
1495     PrintLine("-", 79);
1496     Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1497     Print("Level series name:       '%s'\n", autoplay_leveldir->name);
1498     Print("Level series author:     '%s'\n", autoplay_leveldir->author);
1499     Print("Number of levels:        %d\n",   autoplay_leveldir->levels);
1500     PrintLine("=", 79);
1501     Print("\n");
1502
1503     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1504       level_failed[i] = FALSE;
1505
1506     // only private tapes may be modified
1507     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1508       options.mytapes = TRUE;
1509
1510     autoplay_initialized = TRUE;
1511   }
1512
1513   while (1)
1514   {
1515     if (global.autoplay_mode != AUTOPLAY_MODE_FIX || patch_nr == 0)
1516       level_nr = autoplay_level_nr++;
1517
1518     if (level_nr > autoplay_leveldir->last_level)
1519       break;
1520
1521     // set patch info (required for progress output)
1522     strcpy(tape_patch_info, "");
1523     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1524       snprintf(tape_patch_info, MAX_OUTPUT_LINESIZE, "[%-13s] ",
1525                patch_name[patch_nr]);
1526
1527     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1528       continue;
1529
1530     TapeErase();
1531
1532     LoadLevel(level_nr);
1533
1534     if (level.no_level_file || level.no_valid_file)
1535     {
1536       Print("Tape %03d: (no level found)\n", level_nr);
1537
1538       continue;
1539     }
1540
1541 #if 0
1542     // ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY
1543     Print("Tape %03d: (only testing level)\n", level_nr);
1544     continue;
1545 #endif
1546
1547     if (tape_filename)
1548       LoadTapeFromFilename(tape_filename);
1549     else if (options.mytapes)
1550       LoadTape(level_nr);
1551     else
1552       LoadSolutionTape(level_nr);
1553
1554     if (tape.no_valid_file)
1555     {
1556       num_tape_missing++;
1557
1558       Print("Tape %03d: (no tape found)\n", level_nr);
1559
1560       continue;
1561     }
1562
1563     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1564     {
1565       boolean skip_patch = FALSE;
1566
1567       if (tape.engine_version < patch_version_first[patch_nr] ||
1568           tape.engine_version > patch_version_last[patch_nr])
1569       {
1570         Print("Tape %03d %s[%02d:%02d]: (%s %d.%d.%d.%d) - skipped.\n",
1571               level_nr,  tape_patch_info,
1572               tape.length_seconds / 60, tape.length_seconds % 60,
1573               "not suitable for version",
1574               (tape.engine_version / 1000000) % 100,
1575               (tape.engine_version / 10000  ) % 100,
1576               (tape.engine_version / 100    ) % 100,
1577               (tape.engine_version          ) % 100);
1578
1579         skip_patch = TRUE;
1580       }
1581
1582       if (strEqual(patch_name[patch_nr], "screen_34x34") &&
1583           tape.num_participating_players == 1)
1584       {
1585         Print("Tape %03d %s[%02d:%02d]: (%s) - skipped.\n",
1586               level_nr,  tape_patch_info,
1587               tape.length_seconds / 60, tape.length_seconds % 60,
1588               "not suitable for single player tapes");
1589
1590         skip_patch = TRUE;
1591       }
1592
1593       if (skip_patch)
1594       {
1595         if (patch_name[patch_nr + 1] != NULL)
1596         {
1597           // continue with next patch
1598           patch_nr++;
1599         }
1600         else
1601         {
1602           // continue with next tape
1603           patch_nr = 0;
1604         }
1605
1606         continue;
1607       }
1608
1609       if (strEqual(patch_name[patch_nr], "screen_34x34"))
1610       {
1611         tape.scr_fieldx = SCR_FIELDX_DEFAULT * 2;
1612         tape.scr_fieldy = SCR_FIELDY_DEFAULT * 2;
1613       }
1614       else
1615       {
1616         tape.property_bits |= patch_property_bit[patch_nr];
1617       }
1618     }
1619
1620     if (global.autoplay_mode == AUTOPLAY_MODE_UPLOAD)
1621     {
1622       Print("Tape %03d:\n", level_nr);
1623
1624       AutoPlayTapes_SetScoreEntry(0, 0);
1625
1626       if (tape_filename == NULL)
1627         tape_filename = (options.mytapes ? getTapeFilename(level_nr) :
1628                          getSolutionTapeFilename(level_nr));
1629
1630       SaveServerScoreFromFile(level_nr, tape_filename);
1631
1632       AutoPlayTapes_WaitForUpload();
1633
1634       // required for uploading multiple tapes
1635       tape_filename = NULL;
1636
1637       continue;
1638     }
1639
1640     InitCounter();
1641
1642     if (options.tape_log_filename != NULL)
1643       OpenTapeLogfile();
1644
1645     TapeStartGamePlaying();
1646     TapeStartWarpForward(global.autoplay_mode);
1647
1648     autoplay_last_level_nr = level_nr;
1649
1650     return;
1651   }
1652
1653   char *autoplay_status = (num_levels_played == num_levels_solved &&
1654                            num_levels_played > 0 ? " OK " : "WARN");
1655   int autoplay_percent = (num_levels_played ?
1656                           num_levels_solved * 100 / num_levels_played : 0);
1657
1658   Print("\n");
1659   PrintLine("=", 79);
1660   Print("Number of levels played: %d\n", num_levels_played);
1661   Print("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1662         (num_levels_played ? num_levels_solved * 100 / num_levels_played : 0));
1663   if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1664     Print("Number of tapes fixed: %d\n", num_tapes_patched);
1665   PrintLine("-", 79);
1666   Print("Summary (for automatic parsing by scripts):\n");
1667
1668   if (tape_filename)
1669   {
1670     Print("TAPEFILE [%s] '%s', %d, %d, %d",
1671           autoplay_status,
1672           autoplay_leveldir->identifier,
1673           autoplay_last_level_nr,
1674           game.score_final,
1675           game.score_time_final);
1676   }
1677   else
1678   {
1679     Print("LEVELDIR [%s] '%s', SOLVED %d/%d (%d%%)",
1680           autoplay_status,
1681           autoplay_leveldir->identifier,
1682           num_levels_solved,
1683           num_levels_played,
1684           autoplay_percent);
1685
1686     if (num_levels_played != num_levels_solved)
1687     {
1688       Print(", FAILED:");
1689       for (i = 0; i < MAX_TAPES_PER_SET; i++)
1690         if (level_failed[i])
1691           Print(" %03d", i);
1692     }
1693   }
1694
1695   Print("\n");
1696   PrintLine("=", 79);
1697
1698   CloseAllAndExit(0);
1699 }
1700
1701
1702 // ----------------------------------------------------------------------------
1703 // tape patch functions
1704 // ----------------------------------------------------------------------------
1705
1706 static boolean PatchTape(struct TapeInfo *tape, char *mode)
1707 {
1708   Print("[%d.%d.%d.%d]: ",
1709         (tape->engine_version / 1000000) % 100,
1710         (tape->engine_version / 10000  ) % 100,
1711         (tape->engine_version / 100    ) % 100,
1712         (tape->engine_version          ) % 100);
1713
1714   if (strEqual(mode, "info"))
1715   {
1716     Print("property bits == 0x%02x\n", tape->property_bits);
1717
1718     return FALSE;
1719   }
1720
1721   boolean unpatch_tape = FALSE;
1722   boolean use_property_bit = FALSE;
1723   byte property_bitmask = 0;
1724
1725   if (strSuffix(mode, ":0") ||
1726       strSuffix(mode, ":off") ||
1727       strSuffix(mode, ":clear"))
1728     unpatch_tape = TRUE;
1729
1730   if (strEqual(mode, "em_random_bug") || strPrefix(mode, "em_random_bug:"))
1731   {
1732     // this bug was introduced in version 3.3.1.0 and fixed in version 4.0.1.2
1733     if (tape->engine_version <  VERSION_IDENT(3,3,1,0) ||
1734         tape->engine_version >= VERSION_IDENT(4,0,1,2))
1735     {
1736       Print("This tape version cannot be patched against EM random bug!\n");
1737
1738       return FALSE;
1739     }
1740
1741     property_bitmask = TAPE_PROPERTY_EM_RANDOM_BUG;
1742
1743     use_property_bit = TRUE;
1744   }
1745   else if (strEqual(mode, "screen_34x34") || strPrefix(mode, "screen_34x34:"))
1746   {
1747     // this bug only affects team mode tapes
1748     if (tape->num_participating_players == 1)
1749     {
1750       Print("Only team mode tapes can be patched against screen size bug!\n");
1751
1752       return FALSE;
1753     }
1754
1755     // this bug (that always existed before) was fixed in version 4.2.2.1
1756     if (tape->engine_version >= VERSION_IDENT(4,2,2,1))
1757     {
1758       Print("This tape version cannot be patched against screen size bug!\n");
1759
1760       return FALSE;
1761     }
1762
1763     int factor = (unpatch_tape ? 1 : 2);
1764     int scr_fieldx_new = SCR_FIELDX_DEFAULT * factor;
1765     int scr_fieldy_new = SCR_FIELDY_DEFAULT * factor;
1766
1767     if (scr_fieldx_new == tape->scr_fieldx &&
1768         scr_fieldy_new == tape->scr_fieldy)
1769     {
1770       Print("Tape already patched for '%s'!\n", mode);
1771
1772       return FALSE;
1773     }
1774
1775     tape->scr_fieldx = scr_fieldx_new;
1776     tape->scr_fieldy = scr_fieldy_new;
1777   }
1778   else
1779   {
1780     Print("Unknown patch mode '%s'!\n", mode);
1781
1782     return FALSE;
1783   }
1784
1785   // patching tapes using property bits may be used for several patch modes
1786   if (use_property_bit)
1787   {
1788     byte property_bits = tape->property_bits;
1789     boolean set_property_bit = (unpatch_tape ? FALSE : TRUE);
1790
1791     if (set_property_bit)
1792       property_bits |= property_bitmask;
1793     else
1794       property_bits &= ~property_bitmask;
1795
1796     if (property_bits == tape->property_bits)
1797     {
1798       Print("Tape already patched for '%s'!\n", mode);
1799
1800       return FALSE;
1801     }
1802
1803     tape->property_bits = property_bits;
1804   }
1805
1806   Print("Patching for '%s' ... ", mode);
1807
1808   return TRUE;
1809 }
1810
1811 void PatchTapes(void)
1812 {
1813   static LevelDirTree *patchtapes_leveldir = NULL;
1814   static int num_tapes_found = 0;
1815   static int num_tapes_patched = 0;
1816   char *mode = global.patchtapes_mode;
1817   int i;
1818
1819   if (strEqual(mode, "help"))
1820   {
1821     PrintLine("=", 79);
1822     Print("Supported patch modes:\n");
1823     Print("- \"em_random_bug\"   - use 64-bit random value bug for EM engine\n");
1824     Print("- \"screen_34x34\"    - force visible playfield size of 34 x 34\n");
1825     PrintLine("-", 79);
1826     Print("Supported modifiers:\n");
1827     Print("- add \":0\", \":off\" or \":clear\" to patch mode to un-patch tape file\n");
1828     PrintLine("=", 79);
1829
1830     CloseAllAndExit(0);
1831   }
1832
1833   patchtapes_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1834                                                   global.patchtapes_leveldir);
1835
1836   if (patchtapes_leveldir == NULL)
1837     Fail("no such level identifier: '%s'", global.patchtapes_leveldir);
1838
1839   leveldir_current = patchtapes_leveldir;
1840
1841   if (patchtapes_leveldir->first_level < 0)
1842     patchtapes_leveldir->first_level = 0;
1843   if (patchtapes_leveldir->last_level >= MAX_TAPES_PER_SET)
1844     patchtapes_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1845
1846   PrintLine("=", 79);
1847   Print("Patching level tapes for patch mode '%s'\n", mode);
1848   PrintLine("-", 79);
1849   Print("Level series identifier: '%s'\n", patchtapes_leveldir->identifier);
1850   Print("Level series name:       '%s'\n", patchtapes_leveldir->name);
1851   Print("Level series author:     '%s'\n", patchtapes_leveldir->author);
1852   Print("Number of levels:        %d\n",   patchtapes_leveldir->levels);
1853   PrintLine("=", 79);
1854   Print("\n");
1855
1856   int first_level = patchtapes_leveldir->first_level;
1857   int last_level = patchtapes_leveldir->last_level;
1858
1859   for (i = first_level; i <= last_level; i++)
1860   {
1861     if (!global.patchtapes_all && !global.patchtapes_level[i])
1862       continue;
1863
1864     Print("Tape %03d: ", i);
1865
1866     TapeErase();
1867     LoadTape(i);
1868
1869     if (tape.no_valid_file)
1870     {
1871       Print("(no tape found)\n");
1872
1873       continue;
1874     }
1875
1876     num_tapes_found++;
1877
1878     if (PatchTape(&tape, mode))
1879     {
1880       char *filename = getTapeFilename(i);
1881       char *filename_orig = getStringCat2(filename, ".orig");
1882
1883       if (!fileExists(filename_orig))
1884         rename(filename, filename_orig);
1885
1886       SaveTapeToFilename(filename);
1887
1888       Print("patched tape saved.\n");
1889
1890       num_tapes_patched++;
1891     }
1892   }
1893
1894   Print("\n");
1895   PrintLine("=", 79);
1896   Print("Number of tapes found: %d\n", num_tapes_found);
1897   Print("Number of tapes patched: %d\n", num_tapes_patched);
1898   PrintLine("=", 79);
1899
1900   CloseAllAndExit(0);
1901 }
1902
1903
1904 // ---------- new tape button stuff -------------------------------------------
1905
1906 static struct
1907 {
1908   int graphic;
1909   struct XY *pos;
1910   int gadget_id;
1911   char *infotext;
1912 } tapebutton_info[NUM_TAPE_BUTTONS] =
1913 {
1914   {
1915     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1916     TAPE_CTRL_ID_EJECT,                 "eject tape"
1917   },
1918   {
1919     // (same position as "eject" button)
1920     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1921     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1922   },
1923   {
1924     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1925     TAPE_CTRL_ID_STOP,                  "stop tape"
1926   },
1927   {
1928     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1929     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1930   },
1931   {
1932     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1933     TAPE_CTRL_ID_RECORD,                "record tape"
1934   },
1935   {
1936     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1937     TAPE_CTRL_ID_PLAY,                  "play tape"
1938   },
1939   {
1940     IMG_GFX_TAPE_BUTTON_INSERT_SOLUTION,&tape.button.insert_solution,
1941     TAPE_CTRL_ID_INSERT_SOLUTION,       "insert solution tape"
1942   },
1943   {
1944     IMG_GFX_TAPE_BUTTON_PLAY_SOLUTION,  &tape.button.play_solution,
1945     TAPE_CTRL_ID_PLAY_SOLUTION,         "play solution tape"
1946   }
1947 };
1948
1949 void CreateTapeButtons(void)
1950 {
1951   int i;
1952
1953   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1954   {
1955     int graphic = tapebutton_info[i].graphic;
1956     struct GraphicInfo *gfx = &graphic_info[graphic];
1957     struct XY *pos = tapebutton_info[i].pos;
1958     struct GadgetInfo *gi;
1959     int gd_x = gfx->src_x;
1960     int gd_y = gfx->src_y;
1961     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1962     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1963     int id = i;
1964
1965     gi = CreateGadget(GDI_CUSTOM_ID, id,
1966                       GDI_IMAGE_ID, graphic,
1967                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1968                       GDI_X, VX + pos->x,
1969                       GDI_Y, VY + pos->y,
1970                       GDI_WIDTH, gfx->width,
1971                       GDI_HEIGHT, gfx->height,
1972                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1973                       GDI_STATE, GD_BUTTON_UNPRESSED,
1974                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1975                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1976                       GDI_DIRECT_DRAW, FALSE,
1977                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1978                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1979                       GDI_END);
1980
1981     if (gi == NULL)
1982       Fail("cannot create gadget");
1983
1984     tape_gadget[id] = gi;
1985   }
1986 }
1987
1988 void FreeTapeButtons(void)
1989 {
1990   int i;
1991
1992   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1993     FreeGadget(tape_gadget[i]);
1994 }
1995
1996 void MapTapeEjectButton(void)
1997 {
1998   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1999   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
2000 }
2001
2002 void MapTapeWarpButton(void)
2003 {
2004   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
2005   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
2006 }
2007
2008 void MapTapeButtons(void)
2009 {
2010   int i;
2011
2012   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
2013     if (i != TAPE_CTRL_ID_EXTRA)
2014       MapGadget(tape_gadget[i]);
2015
2016   if (tape.recording || tape.playing)
2017     MapTapeWarpButton();
2018
2019   if (tape.show_game_buttons)
2020     MapGameButtonsOnTape();
2021 }
2022
2023 void UnmapTapeButtons(void)
2024 {
2025   int i;
2026
2027   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
2028     UnmapGadget(tape_gadget[i]);
2029
2030   if (tape.show_game_buttons)
2031     UnmapGameButtonsOnTape();
2032 }
2033
2034 void RedrawTapeButtons(void)
2035 {
2036   int i;
2037
2038   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
2039     RedrawGadget(tape_gadget[i]);
2040
2041   if (tape.show_game_buttons)
2042     RedrawGameButtonsOnTape();
2043 }
2044
2045 void RedrawOrRemapTapeButtons(void)
2046 {
2047   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
2048   {
2049     // tape buttons already mapped
2050     RedrawTapeButtons();
2051   }
2052   else
2053   {
2054     UnmapTapeButtons();
2055     MapTapeButtons();
2056   }
2057 }
2058
2059 static void HandleTapeButtonsExt(int id)
2060 {
2061   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
2062     return;
2063
2064   switch (id)
2065   {
2066     case TAPE_CTRL_ID_EJECT:
2067       TapeStop();
2068
2069       if (TAPE_IS_EMPTY(tape))
2070       {
2071         LoadTape(level_nr);
2072
2073         if (TAPE_IS_EMPTY(tape))
2074           Request("No tape for this level!", REQ_CONFIRM);
2075       }
2076       else
2077       {
2078         if (tape.changed)
2079           SaveTapeChecked(level_nr);
2080
2081         TapeErase();
2082       }
2083
2084       DrawCompleteVideoDisplay();
2085       break;
2086
2087     case TAPE_CTRL_ID_EXTRA:
2088       if (tape.playing)
2089       {
2090         tape.pause_before_end = !tape.pause_before_end;
2091
2092         DrawVideoDisplayCurrentState();
2093       }
2094       else if (tape.recording)
2095       {
2096         TapeSingleStep();
2097       }
2098
2099       break;
2100
2101     case TAPE_CTRL_ID_STOP:
2102       TapeStop();
2103
2104       break;
2105
2106     case TAPE_CTRL_ID_PAUSE:
2107       TapeTogglePause(TAPE_TOGGLE_MANUAL);
2108
2109       break;
2110
2111     case TAPE_CTRL_ID_RECORD:
2112       if (TAPE_IS_STOPPED(tape))
2113       {
2114         TapeStartGameRecording();
2115       }
2116       else if (tape.pausing)
2117       {
2118         if (tape.playing)                       // PLAY -> PAUSE -> RECORD
2119           TapeAppendRecording();
2120         else
2121           TapeTogglePause(TAPE_TOGGLE_MANUAL);
2122       }
2123
2124       break;
2125
2126     case TAPE_CTRL_ID_PLAY:
2127       if (tape.recording && tape.pausing)       // PAUSE -> RECORD
2128       {
2129         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
2130
2131         TapeTogglePause(TAPE_TOGGLE_MANUAL);
2132       }
2133
2134       if (TAPE_IS_EMPTY(tape))
2135         break;
2136
2137       if (TAPE_IS_STOPPED(tape))
2138       {
2139         TapeStartGamePlaying();
2140       }
2141       else if (tape.playing)
2142       {
2143         if (tape.pausing)                       // PAUSE -> PLAY
2144         {
2145           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
2146         }
2147         else if (!tape.fast_forward)            // PLAY -> FFWD
2148         {
2149           tape.fast_forward = TRUE;
2150         }
2151         else if (!tape.warp_forward)            // FFWD -> WARP
2152         {
2153           tape.warp_forward = TRUE;
2154         }
2155         else if (!tape.deactivate_display)      // WARP -> WARP BLIND
2156         {
2157           tape.deactivate_display = TRUE;
2158
2159           TapeDeactivateDisplayOn();
2160         }
2161         else                                    // WARP BLIND -> PLAY
2162         {
2163           tape.fast_forward = FALSE;
2164           tape.warp_forward = FALSE;
2165           tape.deactivate_display = FALSE;
2166
2167           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
2168         }
2169
2170         DrawVideoDisplayCurrentState();
2171       }
2172
2173       break;
2174
2175     case TAPE_CTRL_ID_INSERT_SOLUTION:
2176       InsertSolutionTape();
2177
2178       break;
2179
2180     case TAPE_CTRL_ID_PLAY_SOLUTION:
2181       PlaySolutionTape();
2182
2183       break;
2184
2185     default:
2186       break;
2187   }
2188 }
2189
2190 static void HandleTapeButtons(struct GadgetInfo *gi)
2191 {
2192   HandleTapeButtonsExt(gi->custom_id);
2193 }
2194
2195 void HandleTapeButtonKeys(Key key)
2196 {
2197   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
2198   boolean extra_button_is_active = !eject_button_is_active;
2199
2200   if (key == setup.shortcut.tape_eject && eject_button_is_active)
2201     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
2202   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
2203     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
2204   else if (key == setup.shortcut.tape_stop)
2205     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
2206   else if (key == setup.shortcut.tape_pause)
2207     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
2208   else if (key == setup.shortcut.tape_record)
2209     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
2210   else if (key == setup.shortcut.tape_play)
2211     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
2212 }