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 struct AutoPlayInfo
 475 {
 476   LevelDirTree *leveldir;
 477   boolean initialized;
 478   int last_level_nr;
 479   int level_nr;
 480   int num_levels_played;
 481   int num_levels_solved;
 482   int num_tapes_patched;
 483   int num_tape_missing;
 484   boolean level_failed[MAX_TAPES_PER_SET];
 485   char *tape_filename;
 486 };
 487
 488 static char tape_patch_info[MAX_OUTPUT_LINESIZE];
 489
 490 static void PrintTapeReplayHeader(struct AutoPlayInfo *autoplay)
 491 {
 492   PrintLine("=", 79);
 493
 494   if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
 495     Print("Automatically fixing level tapes\n");
 496   else if (global.autoplay_mode == AUTOPLAY_MODE_UPLOAD)
 497     Print("Automatically uploading level tapes\n");
 498   else
 499     Print("Automatically playing level tapes\n");
 500
 501   PrintLine("-", 79);
 502   Print("Level series identifier: '%s'\n", autoplay->leveldir->identifier);
 503   Print("Level series name:       '%s'\n", autoplay->leveldir->name);
 504   Print("Level series author:     '%s'\n", autoplay->leveldir->author);
 505   Print("Number of levels:        %d\n",   autoplay->leveldir->levels);
 506   PrintLine("=", 79);
 507   Print("\n");
 508 }
 509
 510 static void PrintTapeReplayProgress(boolean replay_finished)
 511 {
 512   static unsigned int counter_last = -1;
 513   unsigned int counter = Counter();
 514   unsigned int counter_seconds  = counter / 1000;
 515
 516   if (!replay_finished)
 517   {
 518     unsigned int counter_delay = 50;
 519
 520     if (counter > counter_last + counter_delay)
 521     {
 522       PrintNoLog("\r");
 523       PrintNoLog("Tape %03d %s[%02d:%02d]: [%02d:%02d] - playing tape ... ",
 524                  level_nr,  tape_patch_info,
 525                  tape.length_seconds / 60, tape.length_seconds % 60,
 526                  TapeTime / 60, TapeTime % 60);
 527
 528       counter_last = counter;
 529     }
 530   }
 531   else
 532   {
 533     float tape_length_seconds = GetTapeLengthSecondsFloat();
 534
 535     PrintNoLog("\r");
 536     Print("Tape %03d %s[%02d:%02d]: (%02d:%02d.%03d / %.2f %%) - %s.\n",
 537           level_nr, tape_patch_info,
 538           tape.length_seconds / 60, tape.length_seconds % 60,
 539           counter_seconds / 60, counter_seconds % 60, counter % 1000,
 540           (float)counter / tape_length_seconds / 10,
 541           tape.auto_play_level_fixed ? "solved and fixed" :
 542           tape.auto_play_level_solved ? "solved" :
 543           tape.auto_play_level_not_fixable ? "NOT SOLVED, NOT FIXED" :
 544           "NOT SOLVED");
 545
 546     counter_last = -1;
 547   }
 548 }
 549
 550 static void PrintTapeReplaySummary(struct AutoPlayInfo *autoplay)
 551 {
 552   char *autoplay_status =
 553     (autoplay->num_levels_played == autoplay->num_levels_solved &&
 554      autoplay->num_levels_played > 0 ? " OK " : "WARN");
 555   int autoplay_percent =
 556     (autoplay->num_levels_played ?
 557      autoplay->num_levels_solved * 100 / autoplay->num_levels_played : 0);
 558   int i;
 559
 560   Print("\n");
 561   PrintLine("=", 79);
 562   Print("Number of levels played: %d\n", autoplay->num_levels_played);
 563   Print("Number of levels solved: %d (%d%%)\n", autoplay->num_levels_solved,
 564         (autoplay->num_levels_played ?
 565          autoplay->num_levels_solved * 100 / autoplay->num_levels_played : 0));
 566   if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
 567     Print("Number of tapes fixed: %d\n", autoplay->num_tapes_patched);
 568   PrintLine("-", 79);
 569   Print("Summary (for automatic parsing by scripts):\n");
 570
 571   if (autoplay->tape_filename)
 572   {
 573     Print("TAPEFILE [%s] '%s', %d, %d, %d",
 574           autoplay_status,
 575           autoplay->leveldir->identifier,
 576           autoplay->last_level_nr,
 577           game.score_final,
 578           game.score_time_final);
 579   }
 580   else
 581   {
 582     Print("LEVELDIR [%s] '%s', SOLVED %d/%d (%d%%)",
 583           autoplay_status,
 584           autoplay->leveldir->identifier,
 585           autoplay->num_levels_solved,
 586           autoplay->num_levels_played,
 587           autoplay_percent);
 588
 589     if (autoplay->num_levels_played != autoplay->num_levels_solved)
 590     {
 591       Print(", FAILED:");
 592       for (i = 0; i < MAX_TAPES_PER_SET; i++)
 593         if (autoplay->level_failed[i])
 594           Print(" %03d", i);
 595     }
 596   }
 597
 598   Print("\n");
 599   PrintLine("=", 79);
 600 }
 601
 602 static FILE *tape_log_file;
 603
 604 static void OpenTapeLogfile(void)
 605 {
 606   if (!(tape_log_file = fopen(options.tape_log_filename, MODE_WRITE)))
 607     Warn("cannot write tape logfile '%s'", options.tape_log_filename);
 608 }
 609
 610 static void WriteTapeLogfile(byte action[MAX_TAPE_ACTIONS])
 611 {
 612   int i;
 613
 614   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 615     putFile8Bit(tape_log_file, action[i]);
 616 }
 617
 618 static void CloseTapeLogfile(void)
 619 {
 620   fclose(tape_log_file);
 621 }
 622
 623
 624 // ============================================================================
 625 // tape control functions
 626 // ============================================================================
 627
 628 void TapeSetDateFromEpochSeconds(time_t epoch_seconds)
 629 {
 630   struct tm *lt = localtime(&epoch_seconds);
 631
 632   tape.date = 10000 * (lt->tm_year % 100) + 100 * lt->tm_mon + lt->tm_mday;
 633 }
 634
 635 void TapeSetDateFromNow(void)
 636 {
 637   TapeSetDateFromEpochSeconds(time(NULL));
 638 }
 639
 640 void TapeErase(void)
 641 {
 642   int i;
 643
 644   CopyTapeToUndoBuffer();
 645
 646   tape.counter = 0;
 647   tape.length = 0;
 648   tape.length_frames = 0;
 649   tape.length_seconds = 0;
 650
 651   tape.score_tape_basename[0] = '\0';
 652
 653   if (leveldir_current)
 654   {
 655     strncpy(tape.level_identifier, leveldir_current->identifier,
 656             MAX_FILENAME_LEN);
 657     tape.level_identifier[MAX_FILENAME_LEN] = '\0';
 658   }
 659
 660   tape.level_nr = level_nr;
 661   tape.pos[tape.counter].delay = 0;
 662   tape.changed = TRUE;
 663
 664   tape.random_seed = InitRND(level.random_seed);
 665
 666   tape.file_version = FILE_VERSION_ACTUAL;
 667   tape.game_version = GAME_VERSION_ACTUAL;
 668   tape.engine_version = level.game_version;
 669
 670   tape.property_bits = TAPE_PROPERTY_NONE;
 671
 672   TapeSetDateFromNow();
 673
 674   for (i = 0; i < MAX_PLAYERS; i++)
 675     tape.player_participates[i] = FALSE;
 676
 677   tape.centered_player_nr_next = -1;
 678   tape.set_centered_player = FALSE;
 679
 680   // set flags for game actions to default values (may be overwritten later)
 681   tape.use_key_actions = TRUE;
 682   tape.use_mouse_actions = FALSE;
 683 }
 684
 685 static void TapeRewind(void)
 686 {
 687   tape.counter = 0;
 688   tape.delay_played = 0;
 689   tape.pause_before_end = FALSE;
 690   tape.recording = FALSE;
 691   tape.playing = FALSE;
 692   tape.fast_forward = FALSE;
 693   tape.warp_forward = FALSE;
 694   tape.deactivate_display = FALSE;
 695   tape.auto_play = (global.autoplay_leveldir != NULL);
 696   tape.auto_play_level_solved = FALSE;
 697   tape.auto_play_level_fixed = FALSE;
 698   tape.auto_play_level_not_fixable = FALSE;
 699   tape.quick_resume = FALSE;
 700   tape.single_step = FALSE;
 701
 702   tape.centered_player_nr_next = -1;
 703   tape.set_centered_player = FALSE;
 704
 705   InitRND(tape.random_seed);
 706 }
 707
 708 static void TapeSetRandomSeed(int random_seed)
 709 {
 710   tape.random_seed = InitRND(random_seed);
 711 }
 712
 713 void TapeStartRecording(int random_seed)
 714 {
 715   if (!TAPE_IS_STOPPED(tape))
 716     TapeStop();
 717
 718   TapeErase();
 719   TapeRewind();
 720   TapeSetRandomSeed(random_seed);
 721
 722   tape.recording = TRUE;
 723
 724   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 725   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 726   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 727   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 728
 729   MapTapeWarpButton();
 730
 731   SetDrawDeactivationMask(REDRAW_NONE);
 732   audio.sound_deactivated = FALSE;
 733
 734   // required here to update video display if tape door is closed
 735   if (GetDoorState() & DOOR_CLOSE_2)
 736     OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
 737 }
 738
 739 static void TapeStartGameRecording(void)
 740 {
 741   StartGameActions(network.enabled, TRUE, level.random_seed);
 742 }
 743
 744 static void TapeAppendRecording(void)
 745 {
 746   if (!tape.playing || !tape.pausing)
 747     return;
 748
 749   // stop playing
 750   tape.playing = FALSE;
 751   tape.fast_forward = FALSE;
 752   tape.warp_forward = FALSE;
 753   tape.pause_before_end = FALSE;
 754   tape.deactivate_display = FALSE;
 755
 756   // start recording
 757   tape.recording = TRUE;
 758   tape.changed = TRUE;
 759
 760   // set current delay (for last played move)
 761   tape.pos[tape.counter].delay = tape.delay_played;
 762
 763   tape.property_bits |= TAPE_PROPERTY_REPLAYED;
 764
 765   // set current date
 766   TapeSetDateFromNow();
 767
 768   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 769   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
 770
 771   UpdateAndDisplayGameControlValues();
 772 }
 773
 774 void TapeHaltRecording(void)
 775 {
 776   tape.counter++;
 777
 778   // initialize delay for next tape entry (to be able to continue recording)
 779   if (tape.counter < MAX_TAPE_LEN)
 780     tape.pos[tape.counter].delay = 0;
 781
 782   tape.length = tape.counter;
 783   tape.length_frames = GetTapeLengthFrames();
 784   tape.length_seconds = GetTapeLengthSeconds();
 785 }
 786
 787 void TapeStopRecording(void)
 788 {
 789   if (tape.recording)
 790     TapeHaltRecording();
 791
 792   tape.recording = FALSE;
 793   tape.pausing = FALSE;
 794
 795   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
 796   MapTapeEjectButton();
 797 }
 798
 799 boolean TapeAddAction(byte action[MAX_TAPE_ACTIONS])
 800 {
 801   int i;
 802
 803   if (tape.pos[tape.counter].delay > 0)         // already stored action
 804   {
 805     boolean changed_events = FALSE;
 806
 807     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 808       if (tape.pos[tape.counter].action[i] != action[i])
 809         changed_events = TRUE;
 810
 811     if (changed_events || tape.pos[tape.counter].delay >= 255)
 812     {
 813       if (tape.counter >= MAX_TAPE_LEN - 1)
 814         return FALSE;
 815
 816       tape.counter++;
 817       tape.pos[tape.counter].delay = 0;
 818     }
 819     else
 820       tape.pos[tape.counter].delay++;
 821   }
 822
 823   if (tape.pos[tape.counter].delay == 0)        // store new action
 824   {
 825     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 826       tape.pos[tape.counter].action[i] = action[i];
 827
 828     tape.pos[tape.counter].delay++;
 829   }
 830
 831   return TRUE;
 832 }
 833
 834 void TapeRecordAction(byte action_raw[MAX_TAPE_ACTIONS])
 835 {
 836   byte action[MAX_TAPE_ACTIONS];
 837   int i;
 838
 839   if (!tape.recording)          // (record action even when tape is paused)
 840     return;
 841
 842   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 843     action[i] = action_raw[i];
 844
 845   if (tape.use_key_actions && tape.set_centered_player)
 846   {
 847     for (i = 0; i < MAX_PLAYERS; i++)
 848       if (tape.centered_player_nr_next == i ||
 849           tape.centered_player_nr_next == -1)
 850         action[i] |= KEY_SET_FOCUS;
 851
 852     tape.set_centered_player = FALSE;
 853   }
 854
 855   if (GameFrameDelay != GAME_FRAME_DELAY)
 856     tape.property_bits |= TAPE_PROPERTY_GAME_SPEED;
 857
 858   if (setup.small_game_graphics || SCR_FIELDX >= 2 * SCR_FIELDX_DEFAULT)
 859     tape.property_bits |= TAPE_PROPERTY_SMALL_GRAPHICS;
 860
 861   if (!TapeAddAction(action))
 862     TapeStopRecording();
 863 }
 864
 865 void TapeTogglePause(boolean toggle_mode)
 866 {
 867   if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
 868   {
 869     // continue playing in normal mode
 870     tape.fast_forward = FALSE;
 871     tape.warp_forward = FALSE;
 872     tape.deactivate_display = FALSE;
 873
 874     tape.pause_before_end = FALSE;
 875   }
 876
 877   tape.pausing = !tape.pausing;
 878
 879   if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
 880     tape.single_step = FALSE;
 881
 882   if (tape.single_step)
 883     tape.property_bits |= TAPE_PROPERTY_SINGLE_STEP;
 884
 885   if (tape.pausing)
 886     tape.property_bits |= TAPE_PROPERTY_PAUSE_MODE;
 887
 888   DrawVideoDisplayCurrentState();
 889
 890   if (tape.deactivate_display)
 891   {
 892     if (tape.pausing)
 893       TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 894     else
 895       TapeDeactivateDisplayOn();
 896   }
 897
 898   if (tape.quick_resume)
 899   {
 900     tape.quick_resume = FALSE;
 901
 902     TapeStopWarpForward();
 903     TapeAppendRecording();
 904
 905     if (!CheckEngineSnapshotSingle())
 906       SaveEngineSnapshotSingle();
 907
 908     // restart step/move snapshots after quick loading tape
 909     SaveEngineSnapshotToListInitial();
 910
 911     // do not map undo/redo buttons after quick loading tape
 912     return;
 913   }
 914
 915   if (game_status == GAME_MODE_PLAYING)
 916   {
 917     if (setup.show_load_save_buttons &&
 918         setup.show_undo_redo_buttons &&
 919         CheckEngineSnapshotList())
 920     {
 921       if (tape.pausing)
 922         MapUndoRedoButtons();
 923       else if (!tape.single_step)
 924         MapLoadSaveButtons();
 925     }
 926
 927     ModifyPauseButtons();
 928   }
 929 }
 930
 931 void TapeStartPlaying(void)
 932 {
 933   if (TAPE_IS_EMPTY(tape))
 934     return;
 935
 936   if (!TAPE_IS_STOPPED(tape))
 937     TapeStop();
 938
 939   TapeRewind();
 940
 941   tape.playing = TRUE;
 942
 943   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 944   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 945   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 946   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 947
 948   MapTapeWarpButton();
 949
 950   SetDrawDeactivationMask(REDRAW_NONE);
 951   audio.sound_deactivated = FALSE;
 952 }
 953
 954 static void TapeStartGamePlaying(void)
 955 {
 956   TapeStartPlaying();
 957
 958   InitGame();
 959 }
 960
 961 void TapeStopPlaying(void)
 962 {
 963   tape.playing = FALSE;
 964   tape.pausing = FALSE;
 965
 966   if (tape.warp_forward)
 967     TapeStopWarpForward();
 968
 969   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 970   MapTapeEjectButton();
 971 }
 972
 973 byte *TapePlayAction(void)
 974 {
 975   int update_delay = FRAMES_PER_SECOND / 2;
 976   boolean update_video_display = (FrameCounter % update_delay == 0);
 977   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
 978   static byte action[MAX_TAPE_ACTIONS];
 979   int i;
 980
 981   if (!tape.playing || tape.pausing)
 982     return NULL;
 983
 984   if (tape.pause_before_end)  // stop some seconds before end of tape
 985   {
 986     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
 987     {
 988       TapeStopWarpForward();
 989       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 990
 991       return NULL;
 992     }
 993   }
 994
 995   if (tape.counter >= tape.length)      // end of tape reached
 996   {
 997     if (tape.warp_forward && !tape.auto_play)
 998     {
 999       TapeStopWarpForward();
1000       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1001     }
1002     else
1003     {
1004       TapeStop();
1005     }
1006
1007     return NULL;
1008   }
1009
1010   if (update_video_display && !tape.deactivate_display)
1011   {
1012     int state = 0;
1013
1014     if (tape.warp_forward)
1015       state |= VIDEO_STATE_WARP(update_draw_label_on);
1016     else if (tape.fast_forward)
1017       state |= VIDEO_STATE_FFWD(update_draw_label_on);
1018
1019     if (tape.pause_before_end)
1020       state |= VIDEO_STATE_PBEND(update_draw_label_on);
1021
1022     // draw labels and symbols separately to prevent labels overlapping symbols
1023     DrawVideoDisplayLabel(state);
1024     DrawVideoDisplaySymbol(state);
1025   }
1026
1027   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
1028     action[i] = tape.pos[tape.counter].action[i];
1029
1030 #if DEBUG_TAPE_WHEN_PLAYING
1031   DebugContinued("", "%05d", FrameCounter);
1032   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
1033     DebugContinued("", "   %08x", action[i]);
1034   DebugContinued("tape:play", "\n");
1035 #endif
1036
1037   tape.set_centered_player = FALSE;
1038   tape.centered_player_nr_next = -999;
1039
1040   if (tape.use_key_actions)
1041   {
1042     for (i = 0; i < MAX_PLAYERS; i++)
1043     {
1044       if (action[i] & KEY_SET_FOCUS)
1045       {
1046         tape.set_centered_player = TRUE;
1047         tape.centered_player_nr_next =
1048           (tape.centered_player_nr_next == -999 ? i : -1);
1049       }
1050
1051       action[i] &= ~KEY_SET_FOCUS;
1052     }
1053   }
1054
1055   tape.delay_played++;
1056   if (tape.delay_played >= tape.pos[tape.counter].delay)
1057   {
1058     tape.counter++;
1059     tape.delay_played = 0;
1060   }
1061
1062   if (tape.auto_play)
1063     PrintTapeReplayProgress(FALSE);
1064
1065   if (options.tape_log_filename != NULL)
1066     WriteTapeLogfile(action);
1067
1068   return action;
1069 }
1070
1071 void TapeStop(void)
1072 {
1073   if (tape.pausing)
1074     TapeTogglePause(TAPE_TOGGLE_MANUAL);
1075
1076   TapeStopRecording();
1077   TapeStopPlaying();
1078
1079   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
1080
1081   if (tape.date && tape.length)
1082   {
1083     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
1084     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
1085     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
1086   }
1087 }
1088
1089 unsigned int GetTapeLengthFrames(void)
1090 {
1091   unsigned int tape_length_frames = 0;
1092   int i;
1093
1094   if (TAPE_IS_EMPTY(tape))
1095     return 0;
1096
1097   for (i = 0; i < tape.length; i++)
1098     tape_length_frames += tape.pos[i].delay;
1099
1100   return tape_length_frames;
1101 }
1102
1103 unsigned int GetTapeLengthSeconds(void)
1104 {
1105   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
1106 }
1107
1108 static float GetTapeLengthSecondsFloat(void)
1109 {
1110   return ((float)GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
1111 }
1112
1113 static void TapeStartWarpForward(int mode)
1114 {
1115   tape.fast_forward = (mode & AUTOPLAY_FFWD);
1116   tape.warp_forward = (mode & AUTOPLAY_WARP);
1117   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
1118
1119   tape.pausing = FALSE;
1120
1121   if (tape.deactivate_display)
1122     TapeDeactivateDisplayOn();
1123
1124   DrawVideoDisplayCurrentState();
1125 }
1126
1127 static void TapeStopWarpForward(void)
1128 {
1129   tape.fast_forward = FALSE;
1130   tape.warp_forward = FALSE;
1131   tape.deactivate_display = FALSE;
1132
1133   tape.pause_before_end = FALSE;
1134
1135   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1136
1137   DrawVideoDisplayCurrentState();
1138 }
1139
1140 static void TapeSingleStep(void)
1141 {
1142   if (network.enabled)
1143     return;
1144
1145   if (!tape.pausing)
1146     TapeTogglePause(TAPE_TOGGLE_MANUAL);
1147
1148   tape.single_step = !tape.single_step;
1149
1150   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
1151 }
1152
1153 void TapeQuickSave(void)
1154 {
1155   if (game_status == GAME_MODE_MAIN)
1156   {
1157     Request("No game that can be saved!", REQ_CONFIRM);
1158
1159     return;
1160   }
1161
1162   if (game_status != GAME_MODE_PLAYING)
1163     return;
1164
1165   if (tape.recording)
1166     TapeHaltRecording();        // prepare tape for saving on-the-fly
1167
1168   if (TAPE_IS_EMPTY(tape))
1169   {
1170     Request("No tape that can be saved!", REQ_CONFIRM);
1171
1172     return;
1173   }
1174
1175   tape.property_bits |= TAPE_PROPERTY_SNAPSHOT;
1176
1177   if (SaveTapeChecked(tape.level_nr))
1178     SaveEngineSnapshotSingle();
1179 }
1180
1181 void TapeQuickLoad(void)
1182 {
1183   char *filename = getTapeFilename(level_nr);
1184
1185   if (!fileExists(filename))
1186   {
1187     Request("No tape for this level!", REQ_CONFIRM);
1188
1189     return;
1190   }
1191
1192   if (tape.recording && !Request("Stop recording and load tape?",
1193                                  REQ_ASK | REQ_STAY_CLOSED))
1194   {
1195     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1196
1197     return;
1198   }
1199
1200   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1201     return;
1202
1203   if (CheckEngineSnapshotSingle())
1204   {
1205     TapeStartGamePlaying();
1206
1207     LoadEngineSnapshotSingle();
1208
1209     DrawCompleteVideoDisplay();
1210
1211     tape.playing = TRUE;
1212     tape.pausing = TRUE;
1213
1214     TapeStopWarpForward();
1215     TapeAppendRecording();
1216
1217     // restart step/move snapshots after quick loading tape
1218     SaveEngineSnapshotToListInitial();
1219
1220     if (FrameCounter > 0)
1221       return;
1222   }
1223
1224   TapeStop();
1225   TapeErase();
1226
1227   LoadTape(level_nr);
1228
1229   if (!TAPE_IS_EMPTY(tape))
1230   {
1231     TapeStartGamePlaying();
1232     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1233
1234     tape.quick_resume = TRUE;
1235     tape.property_bits |= TAPE_PROPERTY_SNAPSHOT;
1236   }
1237   else  // this should not happen (basically checked above)
1238   {
1239     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1240
1241     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1242   }
1243 }
1244
1245 boolean hasSolutionTape(void)
1246 {
1247   boolean tape_file_exists = fileExists(getSolutionTapeFilename(level_nr));
1248   boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
1249                             level.native_sp_level->demo.is_available);
1250
1251   return (tape_file_exists || level_has_tape);
1252 }
1253
1254 boolean InsertSolutionTape(void)
1255 {
1256   if (!hasSolutionTape())
1257   {
1258     Request("No solution tape for this level!", REQ_CONFIRM);
1259
1260     return FALSE;
1261   }
1262
1263   if (!TAPE_IS_STOPPED(tape))
1264     TapeStop();
1265
1266   // if tape recorder already contains a tape, remove it without asking
1267   TapeErase();
1268
1269   LoadSolutionTape(level_nr);
1270
1271   DrawCompleteVideoDisplay();
1272
1273   if (TAPE_IS_EMPTY(tape))
1274   {
1275     Request("Loading solution tape for this level failed!", REQ_CONFIRM);
1276
1277     return FALSE;
1278   }
1279
1280   return TRUE;
1281 }
1282
1283 boolean PlaySolutionTape(void)
1284 {
1285   if (!InsertSolutionTape())
1286     return FALSE;
1287
1288   TapeStartGamePlaying();
1289
1290   return TRUE;
1291 }
1292
1293 static boolean checkTapesFromSameLevel(struct TapeInfo *t1, struct TapeInfo *t2)
1294 {
1295   return (strEqual(t1->level_identifier, t2->level_identifier) &&
1296           t1->level_nr == t2->level_nr);
1297 }
1298
1299 static void CopyTape(struct TapeInfo *tape_from, struct TapeInfo *tape_to)
1300 {
1301   *tape_to = *tape_from;
1302 }
1303
1304 static void SwapTapes(struct TapeInfo *t1, struct TapeInfo *t2)
1305 {
1306   struct TapeInfo tmp = *t1;
1307
1308   *t1 = *t2;
1309   *t2 = tmp;
1310 }
1311
1312 static void CopyTapeToUndoBuffer(void)
1313 {
1314   // copy tapes to undo buffer if large enough (or larger than last undo tape)
1315   // or if the last undo tape is from a different level set or level number
1316   if (tape.length_seconds >= TAPE_MIN_SECONDS_FOR_UNDO_BUFFER ||
1317       tape.length_seconds >= tape_undo_buffer.length_seconds ||
1318       !checkTapesFromSameLevel(&tape, &tape_undo_buffer))
1319   {
1320     CopyTape(&tape, &tape_undo_buffer);
1321   }
1322 }
1323
1324 void UndoTape(void)
1325 {
1326   // only undo tapes from same level set and with same level number
1327   if (!checkTapesFromSameLevel(&tape, &tape_undo_buffer))
1328     return;
1329
1330   if (!TAPE_IS_STOPPED(tape))
1331     TapeStop();
1332
1333   // swap last recorded tape with undo buffer, so undo can be reversed
1334   SwapTapes(&tape, &tape_undo_buffer);
1335
1336   DrawCompleteVideoDisplay();
1337 }
1338
1339 void FixTape_ForceSinglePlayer(void)
1340 {
1341   int i;
1342
1343   /* fix single-player tapes that contain player input for more than one
1344      player (due to a bug in 3.3.1.2 and earlier versions), which results
1345      in playing levels with more than one player in multi-player mode,
1346      even though the tape was originally recorded in single-player mode */
1347
1348   // remove player input actions for all players but the first one
1349   for (i = 1; i < MAX_PLAYERS; i++)
1350     tape.player_participates[i] = FALSE;
1351
1352   tape.changed = TRUE;
1353 }
1354
1355
1356 // ----------------------------------------------------------------------------
1357 // tape autoplay functions
1358 // ----------------------------------------------------------------------------
1359
1360 static void AutoPlayTapes_SetScoreEntry(int score, int time)
1361 {
1362   // set unique basename for score tape (for uploading to score server)
1363   strcpy(tape.score_tape_basename, getScoreTapeBasename(setup.player_name));
1364
1365   // store score in first score entry
1366   scores.last_added = 0;
1367
1368   struct ScoreEntry *entry = &scores.entry[scores.last_added];
1369
1370   strncpy(entry->tape_basename, tape.score_tape_basename, MAX_FILENAME_LEN);
1371   strncpy(entry->name, setup.player_name, MAX_PLAYER_NAME_LEN);
1372
1373   entry->score = score;
1374   entry->time = time;
1375
1376   PrintNoLog("- uploading score tape to score server ... ");
1377
1378   server_scores.uploaded = FALSE;
1379 }
1380
1381 static void AutoPlayTapes_WaitForUpload(void)
1382 {
1383   unsigned int upload_delay = 0;
1384   unsigned int upload_delay_value = 10000;
1385
1386   ResetDelayCounter(&upload_delay);
1387
1388   // wait for score tape to be successfully uploaded (and fail on timeout)
1389   while (!server_scores.uploaded)
1390   {
1391     if (DelayReached(&upload_delay, upload_delay_value))
1392     {
1393       PrintNoLog("\r");
1394       Print("- uploading score tape to score server - TIMEOUT.\n");
1395
1396       Fail("cannot upload score tape to score server");
1397     }
1398
1399     Delay(20);
1400   }
1401
1402   PrintNoLog("\r");
1403   Print("- uploading score tape to score server - uploaded.\n");
1404 }
1405
1406 void AutoPlayTapes(void)
1407 {
1408   static struct AutoPlayInfo autoplay;
1409   static int patch_nr = 0;
1410   static char *patch_name[] =
1411   {
1412     "original tape",
1413     "em_random_bug",
1414     "screen_34x34",
1415
1416     NULL
1417   };
1418   static int patch_version_first[] =
1419   {
1420     VERSION_IDENT(0,0,0,0),
1421     VERSION_IDENT(3,3,1,0),
1422     VERSION_IDENT(0,0,0,0),
1423
1424     -1
1425   };
1426   static int patch_version_last[] =
1427   {
1428     VERSION_IDENT(9,9,9,9),
1429     VERSION_IDENT(4,0,1,1),
1430     VERSION_IDENT(4,2,2,0),
1431
1432     -1
1433   };
1434   static byte patch_property_bit[] =
1435   {
1436     TAPE_PROPERTY_NONE,
1437     TAPE_PROPERTY_EM_RANDOM_BUG,
1438     TAPE_PROPERTY_NONE,
1439
1440     -1
1441   };
1442   int i;
1443
1444   if (autoplay.initialized)
1445   {
1446     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1447     {
1448       if (tape.auto_play_level_solved)
1449       {
1450         if (patch_nr > 0)
1451         {
1452           // level solved by patched tape -- save fixed tape
1453           char *filename = getTapeFilename(level_nr);
1454           char *filename_orig = getStringCat2(filename, ".orig");
1455
1456           // create backup from old tape, if not yet existing
1457           if (!fileExists(filename_orig))
1458             rename(filename, filename_orig);
1459
1460           SaveTapeToFilename(filename);
1461
1462           tape.auto_play_level_fixed = TRUE;
1463           autoplay.num_tapes_patched++;
1464         }
1465
1466         // continue with next tape
1467         patch_nr = 0;
1468       }
1469       else if (patch_name[patch_nr + 1] != NULL)
1470       {
1471         // level not solved by patched tape -- continue with next patch
1472         patch_nr++;
1473       }
1474       else
1475       {
1476         // level not solved by any patched tape -- continue with next tape
1477         tape.auto_play_level_not_fixable = TRUE;
1478         patch_nr = 0;
1479       }
1480     }
1481
1482     // just finished auto-playing tape
1483     PrintTapeReplayProgress(TRUE);
1484
1485     if (options.tape_log_filename != NULL)
1486       CloseTapeLogfile();
1487
1488     if (global.autoplay_mode == AUTOPLAY_MODE_SAVE &&
1489         tape.auto_play_level_solved)
1490     {
1491       AutoPlayTapes_SetScoreEntry(game.score_final, game.score_time_final);
1492
1493       if (leveldir_current)
1494       {
1495         // the tape's level set identifier may differ from current level set
1496         strncpy(tape.level_identifier, leveldir_current->identifier,
1497                 MAX_FILENAME_LEN);
1498         tape.level_identifier[MAX_FILENAME_LEN] = '\0';
1499
1500         // the tape's level number may differ from current level number
1501         tape.level_nr = level_nr;
1502       }
1503
1504       // save score tape to upload to server; may be required for some reasons:
1505       // * level set identifier in solution tapes may differ from level set
1506       // * solution tape may have native format (like Supaplex solution files)
1507
1508       SaveScoreTape(level_nr);
1509       SaveServerScore(level_nr);
1510
1511       AutoPlayTapes_WaitForUpload();
1512     }
1513
1514     if (patch_nr == 0)
1515       autoplay.num_levels_played++;
1516
1517     if (tape.auto_play_level_solved)
1518       autoplay.num_levels_solved++;
1519
1520     if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1521       autoplay.level_failed[level_nr] = !tape.auto_play_level_solved;
1522   }
1523   else
1524   {
1525     if ((global.autoplay_mode == AUTOPLAY_MODE_SAVE ||
1526          global.autoplay_mode == AUTOPLAY_MODE_UPLOAD) &&
1527         !options.mytapes &&
1528         options.player_name == NULL)
1529     {
1530       Fail("specify player name when uploading solution tapes");
1531     }
1532
1533     DrawCompleteVideoDisplay();
1534
1535     audio.sound_enabled = FALSE;
1536     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1537
1538     if (strSuffix(global.autoplay_leveldir, ".tape"))
1539     {
1540       autoplay.tape_filename = global.autoplay_leveldir;
1541
1542       LoadTapeFromFilename(autoplay.tape_filename);
1543
1544       if (tape.no_valid_file)
1545       {
1546         if (!fileExists(autoplay.tape_filename))
1547           Fail("tape file '%s' does not exist", autoplay.tape_filename);
1548         else
1549           Fail("cannot load tape file '%s'", autoplay.tape_filename);
1550       }
1551
1552       global.autoplay_leveldir = tape.level_identifier;
1553
1554       if (tape.level_nr >= 0 && tape.level_nr < MAX_TAPES_PER_SET)
1555         global.autoplay_level[tape.level_nr] = TRUE;
1556
1557       global.autoplay_all = FALSE;
1558     }
1559
1560     autoplay.leveldir = getTreeInfoFromIdentifier(leveldir_first,
1561                                                   global.autoplay_leveldir);
1562
1563     if (autoplay.leveldir == NULL)
1564       Fail("no such level identifier: '%s'", global.autoplay_leveldir);
1565
1566     leveldir_current = autoplay.leveldir;
1567
1568     if (autoplay.leveldir->first_level < 0)
1569       autoplay.leveldir->first_level = 0;
1570     if (autoplay.leveldir->last_level >= MAX_TAPES_PER_SET)
1571       autoplay.leveldir->last_level = MAX_TAPES_PER_SET - 1;
1572
1573     autoplay.level_nr = autoplay.leveldir->first_level;
1574
1575     PrintTapeReplayHeader(&autoplay);
1576
1577     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1578       autoplay.level_failed[i] = FALSE;
1579
1580     // only private tapes may be modified
1581     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1582       options.mytapes = TRUE;
1583
1584     autoplay.initialized = TRUE;
1585   }
1586
1587   while (1)
1588   {
1589     if (global.autoplay_mode != AUTOPLAY_MODE_FIX || patch_nr == 0)
1590       level_nr = autoplay.level_nr++;
1591
1592     if (level_nr > autoplay.leveldir->last_level)
1593       break;
1594
1595     // set patch info (required for progress output)
1596     strcpy(tape_patch_info, "");
1597     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1598       snprintf(tape_patch_info, MAX_OUTPUT_LINESIZE, "[%-13s] ",
1599                patch_name[patch_nr]);
1600
1601     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1602       continue;
1603
1604     TapeErase();
1605
1606     LoadLevel(level_nr);
1607
1608     if (level.no_level_file || level.no_valid_file)
1609     {
1610       Print("Tape %03d: (no level found)\n", level_nr);
1611
1612       continue;
1613     }
1614
1615 #if 0
1616     // ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY
1617     Print("Tape %03d: (only testing level)\n", level_nr);
1618     continue;
1619 #endif
1620
1621     if (autoplay.tape_filename)
1622       LoadTapeFromFilename(autoplay.tape_filename);
1623     else if (options.mytapes)
1624       LoadTape(level_nr);
1625     else
1626       LoadSolutionTape(level_nr);
1627
1628     if (tape.no_valid_file)
1629     {
1630       autoplay.num_tape_missing++;
1631
1632       Print("Tape %03d: (no tape found)\n", level_nr);
1633
1634       continue;
1635     }
1636
1637     if (global.autoplay_mode == AUTOPLAY_MODE_FIX)
1638     {
1639       boolean skip_patch = FALSE;
1640
1641       if (tape.engine_version < patch_version_first[patch_nr] ||
1642           tape.engine_version > patch_version_last[patch_nr])
1643       {
1644         Print("Tape %03d %s[%02d:%02d]: (%s %d.%d.%d.%d) - skipped.\n",
1645               level_nr,  tape_patch_info,
1646               tape.length_seconds / 60, tape.length_seconds % 60,
1647               "not suitable for version",
1648               (tape.engine_version / 1000000) % 100,
1649               (tape.engine_version / 10000  ) % 100,
1650               (tape.engine_version / 100    ) % 100,
1651               (tape.engine_version          ) % 100);
1652
1653         skip_patch = TRUE;
1654       }
1655
1656       if (strEqual(patch_name[patch_nr], "screen_34x34") &&
1657           tape.num_participating_players == 1)
1658       {
1659         Print("Tape %03d %s[%02d:%02d]: (%s) - skipped.\n",
1660               level_nr,  tape_patch_info,
1661               tape.length_seconds / 60, tape.length_seconds % 60,
1662               "not suitable for single player tapes");
1663
1664         skip_patch = TRUE;
1665       }
1666
1667       if (skip_patch)
1668       {
1669         if (patch_name[patch_nr + 1] != NULL)
1670         {
1671           // continue with next patch
1672           patch_nr++;
1673         }
1674         else
1675         {
1676           // continue with next tape
1677           patch_nr = 0;
1678         }
1679
1680         continue;
1681       }
1682
1683       if (strEqual(patch_name[patch_nr], "screen_34x34"))
1684       {
1685         tape.scr_fieldx = SCR_FIELDX_DEFAULT * 2;
1686         tape.scr_fieldy = SCR_FIELDY_DEFAULT * 2;
1687       }
1688       else
1689       {
1690         tape.property_bits |= patch_property_bit[patch_nr];
1691       }
1692     }
1693
1694     if (global.autoplay_mode == AUTOPLAY_MODE_UPLOAD)
1695     {
1696       boolean use_temporary_tape_file = FALSE;
1697
1698       Print("Tape %03d:\n", level_nr);
1699
1700       AutoPlayTapes_SetScoreEntry(0, 0);
1701
1702       if (autoplay.tape_filename == NULL)
1703       {
1704         autoplay.tape_filename = (options.mytapes ? getTapeFilename(level_nr) :
1705                                   getDefaultSolutionTapeFilename(level_nr));
1706
1707         if (!fileExists(autoplay.tape_filename))
1708         {
1709           // non-standard solution tape -- save to temporary file
1710           autoplay.tape_filename = getTemporaryTapeFilename();
1711
1712           SaveTapeToFilename(autoplay.tape_filename);
1713
1714           use_temporary_tape_file = TRUE;
1715         }
1716       }
1717
1718       SaveServerScoreFromFile(level_nr, autoplay.tape_filename);
1719
1720       AutoPlayTapes_WaitForUpload();
1721
1722       if (use_temporary_tape_file)
1723         unlink(autoplay.tape_filename);
1724
1725       // required for uploading multiple tapes
1726       autoplay.tape_filename = NULL;
1727
1728       continue;
1729     }
1730
1731     InitCounter();
1732
1733     if (options.tape_log_filename != NULL)
1734       OpenTapeLogfile();
1735
1736     TapeStartGamePlaying();
1737     TapeStartWarpForward(global.autoplay_mode);
1738
1739     autoplay.last_level_nr = level_nr;
1740
1741     return;
1742   }
1743
1744   PrintTapeReplaySummary(&autoplay);
1745
1746   CloseAllAndExit(0);
1747 }
1748
1749
1750 // ----------------------------------------------------------------------------
1751 // tape patch functions
1752 // ----------------------------------------------------------------------------
1753
1754 static boolean PatchTape(struct TapeInfo *tape, char *mode)
1755 {
1756   Print("[%d.%d.%d.%d]: ",
1757         (tape->engine_version / 1000000) % 100,
1758         (tape->engine_version / 10000  ) % 100,
1759         (tape->engine_version / 100    ) % 100,
1760         (tape->engine_version          ) % 100);
1761
1762   if (strEqual(mode, "info"))
1763   {
1764     Print("property bits == 0x%02x\n", tape->property_bits);
1765
1766     return FALSE;
1767   }
1768
1769   boolean unpatch_tape = FALSE;
1770   boolean use_property_bit = FALSE;
1771   byte property_bitmask = 0;
1772
1773   if (strSuffix(mode, ":0") ||
1774       strSuffix(mode, ":off") ||
1775       strSuffix(mode, ":clear"))
1776     unpatch_tape = TRUE;
1777
1778   if (strEqual(mode, "em_random_bug") || strPrefix(mode, "em_random_bug:"))
1779   {
1780     // this bug was introduced in version 3.3.1.0 and fixed in version 4.0.1.2
1781     if (tape->engine_version <  VERSION_IDENT(3,3,1,0) ||
1782         tape->engine_version >= VERSION_IDENT(4,0,1,2))
1783     {
1784       Print("This tape version cannot be patched against EM random bug!\n");
1785
1786       return FALSE;
1787     }
1788
1789     property_bitmask = TAPE_PROPERTY_EM_RANDOM_BUG;
1790
1791     use_property_bit = TRUE;
1792   }
1793   else if (strEqual(mode, "screen_34x34") || strPrefix(mode, "screen_34x34:"))
1794   {
1795     // this bug only affects team mode tapes
1796     if (tape->num_participating_players == 1)
1797     {
1798       Print("Only team mode tapes can be patched against screen size bug!\n");
1799
1800       return FALSE;
1801     }
1802
1803     // this bug (that always existed before) was fixed in version 4.2.2.1
1804     if (tape->engine_version >= VERSION_IDENT(4,2,2,1))
1805     {
1806       Print("This tape version cannot be patched against screen size bug!\n");
1807
1808       return FALSE;
1809     }
1810
1811     int factor = (unpatch_tape ? 1 : 2);
1812     int scr_fieldx_new = SCR_FIELDX_DEFAULT * factor;
1813     int scr_fieldy_new = SCR_FIELDY_DEFAULT * factor;
1814
1815     if (scr_fieldx_new == tape->scr_fieldx &&
1816         scr_fieldy_new == tape->scr_fieldy)
1817     {
1818       Print("Tape already patched for '%s'!\n", mode);
1819
1820       return FALSE;
1821     }
1822
1823     tape->scr_fieldx = scr_fieldx_new;
1824     tape->scr_fieldy = scr_fieldy_new;
1825   }
1826   else
1827   {
1828     Print("Unknown patch mode '%s'!\n", mode);
1829
1830     return FALSE;
1831   }
1832
1833   // patching tapes using property bits may be used for several patch modes
1834   if (use_property_bit)
1835   {
1836     byte property_bits = tape->property_bits;
1837     boolean set_property_bit = (unpatch_tape ? FALSE : TRUE);
1838
1839     if (set_property_bit)
1840       property_bits |= property_bitmask;
1841     else
1842       property_bits &= ~property_bitmask;
1843
1844     if (property_bits == tape->property_bits)
1845     {
1846       Print("Tape already patched for '%s'!\n", mode);
1847
1848       return FALSE;
1849     }
1850
1851     tape->property_bits = property_bits;
1852   }
1853
1854   Print("Patching for '%s' ... ", mode);
1855
1856   return TRUE;
1857 }
1858
1859 void PatchTapes(void)
1860 {
1861   static LevelDirTree *patchtapes_leveldir = NULL;
1862   static int num_tapes_found = 0;
1863   static int num_tapes_patched = 0;
1864   char *mode = global.patchtapes_mode;
1865   int i;
1866
1867   if (strEqual(mode, "help"))
1868   {
1869     PrintLine("=", 79);
1870     Print("Supported patch modes:\n");
1871     Print("- \"em_random_bug\"   - use 64-bit random value bug for EM engine\n");
1872     Print("- \"screen_34x34\"    - force visible playfield size of 34 x 34\n");
1873     PrintLine("-", 79);
1874     Print("Supported modifiers:\n");
1875     Print("- add \":0\", \":off\" or \":clear\" to patch mode to un-patch tape file\n");
1876     PrintLine("=", 79);
1877
1878     CloseAllAndExit(0);
1879   }
1880
1881   patchtapes_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1882                                                   global.patchtapes_leveldir);
1883
1884   if (patchtapes_leveldir == NULL)
1885     Fail("no such level identifier: '%s'", global.patchtapes_leveldir);
1886
1887   leveldir_current = patchtapes_leveldir;
1888
1889   if (patchtapes_leveldir->first_level < 0)
1890     patchtapes_leveldir->first_level = 0;
1891   if (patchtapes_leveldir->last_level >= MAX_TAPES_PER_SET)
1892     patchtapes_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1893
1894   PrintLine("=", 79);
1895   Print("Patching level tapes for patch mode '%s'\n", mode);
1896   PrintLine("-", 79);
1897   Print("Level series identifier: '%s'\n", patchtapes_leveldir->identifier);
1898   Print("Level series name:       '%s'\n", patchtapes_leveldir->name);
1899   Print("Level series author:     '%s'\n", patchtapes_leveldir->author);
1900   Print("Number of levels:        %d\n",   patchtapes_leveldir->levels);
1901   PrintLine("=", 79);
1902   Print("\n");
1903
1904   int first_level = patchtapes_leveldir->first_level;
1905   int last_level = patchtapes_leveldir->last_level;
1906
1907   for (i = first_level; i <= last_level; i++)
1908   {
1909     if (!global.patchtapes_all && !global.patchtapes_level[i])
1910       continue;
1911
1912     Print("Tape %03d: ", i);
1913
1914     TapeErase();
1915     LoadTape(i);
1916
1917     if (tape.no_valid_file)
1918     {
1919       Print("(no tape found)\n");
1920
1921       continue;
1922     }
1923
1924     num_tapes_found++;
1925
1926     if (PatchTape(&tape, mode))
1927     {
1928       char *filename = getTapeFilename(i);
1929       char *filename_orig = getStringCat2(filename, ".orig");
1930
1931       if (!fileExists(filename_orig))
1932         rename(filename, filename_orig);
1933
1934       SaveTapeToFilename(filename);
1935
1936       Print("patched tape saved.\n");
1937
1938       num_tapes_patched++;
1939     }
1940   }
1941
1942   Print("\n");
1943   PrintLine("=", 79);
1944   Print("Number of tapes found: %d\n", num_tapes_found);
1945   Print("Number of tapes patched: %d\n", num_tapes_patched);
1946   PrintLine("=", 79);
1947
1948   CloseAllAndExit(0);
1949 }
1950
1951
1952 // ---------- new tape button stuff -------------------------------------------
1953
1954 static struct
1955 {
1956   int graphic;
1957   struct XY *pos;
1958   int gadget_id;
1959   char *infotext;
1960 } tapebutton_info[NUM_TAPE_BUTTONS] =
1961 {
1962   {
1963     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1964     TAPE_CTRL_ID_EJECT,                 "eject tape"
1965   },
1966   {
1967     // (same position as "eject" button)
1968     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1969     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1970   },
1971   {
1972     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1973     TAPE_CTRL_ID_STOP,                  "stop tape"
1974   },
1975   {
1976     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1977     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1978   },
1979   {
1980     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1981     TAPE_CTRL_ID_RECORD,                "record tape"
1982   },
1983   {
1984     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1985     TAPE_CTRL_ID_PLAY,                  "play tape"
1986   },
1987   {
1988     IMG_GFX_TAPE_BUTTON_INSERT_SOLUTION,&tape.button.insert_solution,
1989     TAPE_CTRL_ID_INSERT_SOLUTION,       "insert solution tape"
1990   },
1991   {
1992     IMG_GFX_TAPE_BUTTON_PLAY_SOLUTION,  &tape.button.play_solution,
1993     TAPE_CTRL_ID_PLAY_SOLUTION,         "play solution tape"
1994   }
1995 };
1996
1997 void CreateTapeButtons(void)
1998 {
1999   int i;
2000
2001   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
2002   {
2003     int graphic = tapebutton_info[i].graphic;
2004     struct GraphicInfo *gfx = &graphic_info[graphic];
2005     struct XY *pos = tapebutton_info[i].pos;
2006     struct GadgetInfo *gi;
2007     int gd_x = gfx->src_x;
2008     int gd_y = gfx->src_y;
2009     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
2010     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
2011     int id = i;
2012
2013     gi = CreateGadget(GDI_CUSTOM_ID, id,
2014                       GDI_IMAGE_ID, graphic,
2015                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
2016                       GDI_X, VX + pos->x,
2017                       GDI_Y, VY + pos->y,
2018                       GDI_WIDTH, gfx->width,
2019                       GDI_HEIGHT, gfx->height,
2020                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2021                       GDI_STATE, GD_BUTTON_UNPRESSED,
2022                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
2023                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
2024                       GDI_DIRECT_DRAW, FALSE,
2025                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
2026                       GDI_CALLBACK_ACTION, HandleTapeButtons,
2027                       GDI_END);
2028
2029     if (gi == NULL)
2030       Fail("cannot create gadget");
2031
2032     tape_gadget[id] = gi;
2033   }
2034 }
2035
2036 void FreeTapeButtons(void)
2037 {
2038   int i;
2039
2040   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
2041     FreeGadget(tape_gadget[i]);
2042 }
2043
2044 void MapTapeEjectButton(void)
2045 {
2046   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
2047   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
2048 }
2049
2050 void MapTapeWarpButton(void)
2051 {
2052   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
2053   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
2054 }
2055
2056 void MapTapeButtons(void)
2057 {
2058   int i;
2059
2060   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
2061     if (i != TAPE_CTRL_ID_EXTRA)
2062       MapGadget(tape_gadget[i]);
2063
2064   if (tape.recording || tape.playing)
2065     MapTapeWarpButton();
2066
2067   if (tape.show_game_buttons)
2068     MapGameButtonsOnTape();
2069 }
2070
2071 void UnmapTapeButtons(void)
2072 {
2073   int i;
2074
2075   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
2076     UnmapGadget(tape_gadget[i]);
2077
2078   if (tape.show_game_buttons)
2079     UnmapGameButtonsOnTape();
2080 }
2081
2082 void RedrawTapeButtons(void)
2083 {
2084   int i;
2085
2086   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
2087     RedrawGadget(tape_gadget[i]);
2088
2089   if (tape.show_game_buttons)
2090     RedrawGameButtonsOnTape();
2091 }
2092
2093 void RedrawOrRemapTapeButtons(void)
2094 {
2095   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
2096   {
2097     // tape buttons already mapped
2098     RedrawTapeButtons();
2099   }
2100   else
2101   {
2102     UnmapTapeButtons();
2103     MapTapeButtons();
2104   }
2105 }
2106
2107 static void HandleTapeButtonsExt(int id)
2108 {
2109   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
2110     return;
2111
2112   switch (id)
2113   {
2114     case TAPE_CTRL_ID_EJECT:
2115       TapeStop();
2116
2117       if (TAPE_IS_EMPTY(tape))
2118       {
2119         LoadTape(level_nr);
2120
2121         if (TAPE_IS_EMPTY(tape))
2122           Request("No tape for this level!", REQ_CONFIRM);
2123       }
2124       else
2125       {
2126         if (tape.changed)
2127           SaveTapeChecked(level_nr);
2128
2129         TapeErase();
2130       }
2131
2132       DrawCompleteVideoDisplay();
2133       break;
2134
2135     case TAPE_CTRL_ID_EXTRA:
2136       if (tape.playing)
2137       {
2138         tape.pause_before_end = !tape.pause_before_end;
2139
2140         DrawVideoDisplayCurrentState();
2141       }
2142       else if (tape.recording)
2143       {
2144         TapeSingleStep();
2145       }
2146
2147       break;
2148
2149     case TAPE_CTRL_ID_STOP:
2150       TapeStop();
2151
2152       break;
2153
2154     case TAPE_CTRL_ID_PAUSE:
2155       TapeTogglePause(TAPE_TOGGLE_MANUAL);
2156
2157       break;
2158
2159     case TAPE_CTRL_ID_RECORD:
2160       if (TAPE_IS_STOPPED(tape))
2161       {
2162         TapeStartGameRecording();
2163       }
2164       else if (tape.pausing)
2165       {
2166         if (tape.playing)                       // PLAY -> PAUSE -> RECORD
2167           TapeAppendRecording();
2168         else
2169           TapeTogglePause(TAPE_TOGGLE_MANUAL);
2170       }
2171
2172       break;
2173
2174     case TAPE_CTRL_ID_PLAY:
2175       if (tape.recording && tape.pausing)       // PAUSE -> RECORD
2176       {
2177         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
2178
2179         TapeTogglePause(TAPE_TOGGLE_MANUAL);
2180       }
2181
2182       if (TAPE_IS_EMPTY(tape))
2183         break;
2184
2185       if (TAPE_IS_STOPPED(tape))
2186       {
2187         TapeStartGamePlaying();
2188       }
2189       else if (tape.playing)
2190       {
2191         if (tape.pausing)                       // PAUSE -> PLAY
2192         {
2193           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
2194         }
2195         else if (!tape.fast_forward)            // PLAY -> FFWD
2196         {
2197           tape.fast_forward = TRUE;
2198         }
2199         else if (!tape.warp_forward)            // FFWD -> WARP
2200         {
2201           tape.warp_forward = TRUE;
2202         }
2203         else if (!tape.deactivate_display)      // WARP -> WARP BLIND
2204         {
2205           tape.deactivate_display = TRUE;
2206
2207           TapeDeactivateDisplayOn();
2208         }
2209         else                                    // WARP BLIND -> PLAY
2210         {
2211           tape.fast_forward = FALSE;
2212           tape.warp_forward = FALSE;
2213           tape.deactivate_display = FALSE;
2214
2215           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
2216         }
2217
2218         DrawVideoDisplayCurrentState();
2219       }
2220
2221       break;
2222
2223     case TAPE_CTRL_ID_INSERT_SOLUTION:
2224       InsertSolutionTape();
2225
2226       break;
2227
2228     case TAPE_CTRL_ID_PLAY_SOLUTION:
2229       PlaySolutionTape();
2230
2231       break;
2232
2233     default:
2234       break;
2235   }
2236 }
2237
2238 static void HandleTapeButtons(struct GadgetInfo *gi)
2239 {
2240   HandleTapeButtonsExt(gi->custom_id);
2241 }
2242
2243 void HandleTapeButtonKeys(Key key)
2244 {
2245   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
2246   boolean extra_button_is_active = !eject_button_is_active;
2247
2248   if (key == setup.shortcut.tape_eject && eject_button_is_active)
2249     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
2250   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
2251     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
2252   else if (key == setup.shortcut.tape_stop)
2253     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
2254   else if (key == setup.shortcut.tape_pause)
2255     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
2256   else if (key == setup.shortcut.tape_record)
2257     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
2258   else if (key == setup.shortcut.tape_play)
2259     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
2260 }