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 //                  http://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
  32 #define NUM_TAPE_BUTTONS                        6
  33
  34 /* values for tape handling */
  35 #define TAPE_PAUSE_SECONDS_BEFORE_DEATH         5
  36
  37 /* forward declaration for internal use */
  38 static void HandleTapeButtons(struct GadgetInfo *);
  39 static void TapeStopWarpForward();
  40
  41 static struct GadgetInfo *tape_gadget[NUM_TAPE_BUTTONS];
  42
  43
  44 /* ========================================================================= */
  45 /* video tape definitions                                                    */
  46 /* ========================================================================= */
  47
  48 #define VIDEO_INFO_OFF                  (VIDEO_STATE_DATE_OFF   |       \
  49                                          VIDEO_STATE_TIME_OFF   |       \
  50                                          VIDEO_STATE_FRAME_OFF)
  51 #define VIDEO_STATE_OFF                 (VIDEO_STATE_PLAY_OFF   |       \
  52                                          VIDEO_STATE_REC_OFF    |       \
  53                                          VIDEO_STATE_PAUSE_OFF  |       \
  54                                          VIDEO_STATE_FFWD_OFF   |       \
  55                                          VIDEO_STATE_WARP_OFF   |       \
  56                                          VIDEO_STATE_WARP2_OFF  |       \
  57                                          VIDEO_STATE_PBEND_OFF  |       \
  58                                          VIDEO_STATE_1STEP_OFF)
  59 #define VIDEO_PRESS_OFF                 (VIDEO_PRESS_PLAY_OFF   |       \
  60                                          VIDEO_PRESS_REC_OFF    |       \
  61                                          VIDEO_PRESS_PAUSE_OFF  |       \
  62                                          VIDEO_PRESS_STOP_OFF   |       \
  63                                          VIDEO_PRESS_EJECT_OFF)
  64 #define VIDEO_ALL_OFF                   (VIDEO_INFO_OFF         |       \
  65                                          VIDEO_STATE_OFF        |       \
  66                                          VIDEO_PRESS_OFF)
  67
  68 #define VIDEO_INFO_ON                   (VIDEO_STATE_DATE_ON    |       \
  69                                          VIDEO_STATE_TIME_ON    |       \
  70                                          VIDEO_STATE_FRAME_ON)
  71 #define VIDEO_STATE_ON                  (VIDEO_STATE_PLAY_ON    |       \
  72                                          VIDEO_STATE_REC_ON     |       \
  73                                          VIDEO_STATE_PAUSE_ON   |       \
  74                                          VIDEO_STATE_FFWD_ON    |       \
  75                                          VIDEO_STATE_WARP_ON    |       \
  76                                          VIDEO_STATE_WARP2_ON   |       \
  77                                          VIDEO_STATE_PBEND_ON   |       \
  78                                          VIDEO_STATE_1STEP_ON)
  79 #define VIDEO_PRESS_ON                  (VIDEO_PRESS_PLAY_ON    |       \
  80                                          VIDEO_PRESS_REC_ON     |       \
  81                                          VIDEO_PRESS_PAUSE_ON   |       \
  82                                          VIDEO_PRESS_STOP_ON    |       \
  83                                          VIDEO_PRESS_EJECT_ON)
  84 #define VIDEO_ALL_ON                    (VIDEO_INFO_ON          |       \
  85                                          VIDEO_STATE_ON         |       \
  86                                          VIDEO_PRESS_ON)
  87
  88 #define VIDEO_INFO                      (VIDEO_INFO_ON | VIDEO_INFO_OFF)
  89 #define VIDEO_STATE                     (VIDEO_STATE_ON | VIDEO_STATE_OFF)
  90 #define VIDEO_PRESS                     (VIDEO_PRESS_ON | VIDEO_PRESS_OFF)
  91 #define VIDEO_ALL                       (VIDEO_ALL_ON | VIDEO_ALL_OFF)
  92
  93 #define NUM_TAPE_FUNCTIONS              11
  94 #define NUM_TAPE_FUNCTION_PARTS         2
  95 #define NUM_TAPE_FUNCTION_STATES        2
  96
  97
  98 /* ========================================================================= */
  99 /* video display functions                                                   */
 100 /* ========================================================================= */
 101
 102 static void DrawVideoDisplay_Graphics(unsigned int state, unsigned int value)
 103 {
 104   int i, j, k;
 105
 106   static struct
 107   {
 108     int graphic;
 109     struct XY *pos;
 110   }
 111   video_pos[NUM_TAPE_FUNCTIONS][NUM_TAPE_FUNCTION_PARTS] =
 112   {
 113     {
 114       { IMG_GFX_TAPE_LABEL_PLAY,                &tape.label.play        },
 115       { IMG_GFX_TAPE_SYMBOL_PLAY,               &tape.symbol.play       },
 116     },
 117     {
 118       { IMG_GFX_TAPE_LABEL_RECORD,              &tape.label.record      },
 119       { IMG_GFX_TAPE_SYMBOL_RECORD,             &tape.symbol.record     },
 120     },
 121     {
 122       { IMG_GFX_TAPE_LABEL_PAUSE,               &tape.label.pause       },
 123       { IMG_GFX_TAPE_SYMBOL_PAUSE,              &tape.symbol.pause      },
 124     },
 125     {
 126       { IMG_GFX_TAPE_LABEL_DATE,                &tape.label.date        },
 127       { -1,                                     NULL                    },
 128     },
 129     {
 130       { IMG_GFX_TAPE_LABEL_TIME,                &tape.label.time        },
 131       { -1,                                     NULL                    },
 132     },
 133     {
 134       /* (no label for displaying optional frame) */
 135       { -1,                                     NULL                    },
 136       { -1,                                     NULL                    },
 137     },
 138     {
 139       { IMG_GFX_TAPE_LABEL_FAST_FORWARD,        &tape.label.fast_forward  },
 140       { IMG_GFX_TAPE_SYMBOL_FAST_FORWARD,       &tape.symbol.fast_forward },
 141     },
 142     {
 143       { IMG_GFX_TAPE_LABEL_WARP_FORWARD,        &tape.label.warp_forward  },
 144       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD,       &tape.symbol.warp_forward },
 145     },
 146     {
 147       { IMG_GFX_TAPE_LABEL_WARP_FORWARD_BLIND,  &tape.label.warp_forward_blind},
 148       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD_BLIND, &tape.symbol.warp_forward_blind},
 149     },
 150     {
 151       { IMG_GFX_TAPE_LABEL_PAUSE_BEFORE_END,    &tape.label.pause_before_end  },
 152       { IMG_GFX_TAPE_SYMBOL_PAUSE_BEFORE_END,   &tape.symbol.pause_before_end },
 153     },
 154     {
 155       { IMG_GFX_TAPE_LABEL_SINGLE_STEP,         &tape.label.single_step  },
 156       { IMG_GFX_TAPE_SYMBOL_SINGLE_STEP,        &tape.symbol.single_step },
 157     },
 158   };
 159
 160   for (k = 0; k < NUM_TAPE_FUNCTION_STATES; k++)        /* on or off states */
 161   {
 162     for (i = 0; i < NUM_TAPE_FUNCTIONS; i++)            /* record, play, ... */
 163     {
 164       for (j = 0; j < NUM_TAPE_FUNCTION_PARTS; j++)     /* label or symbol */
 165       {
 166         int graphic = video_pos[i][j].graphic;
 167         struct XY *pos = video_pos[i][j].pos;
 168
 169         if (graphic == -1 ||
 170             pos->x == -1 ||
 171             pos->y == -1)
 172           continue;
 173
 174         if (state & (1 << (i * 2 + k)))
 175         {
 176           struct GraphicInfo *gfx_bg = &graphic_info[IMG_BACKGROUND_TAPE];
 177           struct GraphicInfo *gfx = &graphic_info[graphic];
 178           Bitmap *gd_bitmap;
 179           int gd_x, gd_y;
 180           int skip_value =
 181             (j == 0 ? VIDEO_DISPLAY_SYMBOL_ONLY : VIDEO_DISPLAY_LABEL_ONLY);
 182
 183           if (value == skip_value)
 184             continue;
 185
 186           if (k == 1)           /* on */
 187           {
 188             gd_bitmap = gfx->bitmap;
 189             gd_x = gfx->src_x;
 190             gd_y = gfx->src_y;
 191           }
 192           else                  /* off */
 193           {
 194             gd_bitmap = gfx_bg->bitmap;
 195             gd_x = gfx_bg->src_x + pos->x;
 196             gd_y = gfx_bg->src_y + pos->y;
 197           }
 198
 199           /* some tape graphics may be undefined -- only draw if defined */
 200           if (gd_bitmap != NULL)
 201             BlitBitmap(gd_bitmap, drawto, gd_x, gd_y, gfx->width, gfx->height,
 202                        VX + pos->x, VY + pos->y);
 203
 204           redraw_mask |= REDRAW_DOOR_2;
 205         }
 206       }
 207     }
 208   }
 209 }
 210
 211
 212 #define DATETIME_NONE                   (0)
 213
 214 #define DATETIME_DATE_YYYY              (1 << 0)
 215 #define DATETIME_DATE_YY                (1 << 1)
 216 #define DATETIME_DATE_MON               (1 << 2)
 217 #define DATETIME_DATE_MM                (1 << 3)
 218 #define DATETIME_DATE_DD                (1 << 4)
 219
 220 #define DATETIME_TIME_HH                (1 << 5)
 221 #define DATETIME_TIME_MIN               (1 << 6)
 222 #define DATETIME_TIME_MM                (1 << 7)
 223 #define DATETIME_TIME_SS                (1 << 8)
 224
 225 #define DATETIME_FRAME                  (1 << 9)
 226
 227 #define DATETIME_XOFFSET_1              (1 << 10)
 228 #define DATETIME_XOFFSET_2              (1 << 11)
 229
 230 #define DATETIME_DATE                   (DATETIME_DATE_YYYY     |       \
 231                                          DATETIME_DATE_YY       |       \
 232                                          DATETIME_DATE_MON      |       \
 233                                          DATETIME_DATE_MM       |       \
 234                                          DATETIME_DATE_DD)
 235
 236 #define DATETIME_TIME                   (DATETIME_TIME_HH       |       \
 237                                          DATETIME_TIME_MIN      |       \
 238                                          DATETIME_TIME_MM       |       \
 239                                          DATETIME_TIME_SS)
 240
 241 #define MAX_DATETIME_STRING_SIZE        32
 242
 243 static void DrawVideoDisplay_DateTime(unsigned int state, unsigned int value)
 244 {
 245   int i;
 246
 247   static char *month_shortnames[] =
 248   {
 249     "JAN",
 250     "FEB",
 251     "MAR",
 252     "APR",
 253     "MAY",
 254     "JUN",
 255     "JUL",
 256     "AUG",
 257     "SEP",
 258     "OCT",
 259     "NOV",
 260     "DEC"
 261   };
 262
 263   static struct
 264   {
 265     struct TextPosInfo *pos;
 266     int type;
 267   }
 268   datetime_info[] =
 269   {
 270     { &tape.text.date,          DATETIME_DATE_DD                        },
 271     { &tape.text.date,          DATETIME_DATE_MON | DATETIME_XOFFSET_1  },
 272     { &tape.text.date,          DATETIME_DATE_YY  | DATETIME_XOFFSET_2  },
 273     { &tape.text.date_yyyy,     DATETIME_DATE_YYYY                      },
 274     { &tape.text.date_yy,       DATETIME_DATE_YY                        },
 275     { &tape.text.date_mon,      DATETIME_DATE_MON                       },
 276     { &tape.text.date_mm,       DATETIME_DATE_MM                        },
 277     { &tape.text.date_dd,       DATETIME_DATE_DD                        },
 278
 279     { &tape.text.time,          DATETIME_TIME_MIN                       },
 280     { &tape.text.time,          DATETIME_TIME_SS  | DATETIME_XOFFSET_1  },
 281     { &tape.text.time_hh,       DATETIME_TIME_HH                        },
 282     { &tape.text.time_mm,       DATETIME_TIME_MM                        },
 283     { &tape.text.time_ss,       DATETIME_TIME_SS                        },
 284
 285     { &tape.text.frame,         DATETIME_FRAME                          },
 286
 287     { NULL,                     DATETIME_NONE                           },
 288   };
 289
 290   for (i = 0; datetime_info[i].pos != NULL; i++)
 291   {
 292     struct TextPosInfo *pos = datetime_info[i].pos;
 293     int type = datetime_info[i].type;
 294     int xpos, ypos;
 295
 296     if (pos->x == -1 &&
 297         pos->y == -1)
 298       continue;
 299
 300     xpos = VX + pos->x + (type & DATETIME_XOFFSET_1 ? pos->xoffset  :
 301                           type & DATETIME_XOFFSET_2 ? pos->xoffset2 : 0);
 302     ypos = VY + pos->y;
 303
 304     if ((type & DATETIME_DATE) && (state & VIDEO_STATE_DATE_ON))
 305     {
 306       char s[MAX_DATETIME_STRING_SIZE];
 307       int year2 = value / 10000;
 308       int year4 = (year2 < 70 ? 2000 + year2 : 1900 + year2);
 309       int month_index = (value / 100) % 100;
 310       int month = month_index + 1;
 311       int day = value % 100;
 312
 313       strcpy(s, (type & DATETIME_DATE_YYYY ? int2str(year4, 4) :
 314                  type & DATETIME_DATE_YY   ? int2str(year2, 2) :
 315                  type & DATETIME_DATE_MON  ? month_shortnames[month_index] :
 316                  type & DATETIME_DATE_MM   ? int2str(month, 2) :
 317                  type & DATETIME_DATE_DD   ? int2str(day, 2) : ""));
 318
 319       DrawText(xpos, ypos, s, pos->font);
 320     }
 321     else if ((type & DATETIME_TIME) && (state & VIDEO_STATE_TIME_ON))
 322     {
 323       char s[MAX_DATETIME_STRING_SIZE];
 324       int hh = (value / 3600) % 100;
 325       int min = value / 60;
 326       int mm = (value / 60) % 60;
 327       int ss = value % 60;
 328
 329       strcpy(s, (type & DATETIME_TIME_HH  ? int2str(hh, 2) :
 330                  type & DATETIME_TIME_MIN ? int2str(min, 2) :
 331                  type & DATETIME_TIME_MM  ? int2str(mm, 2) :
 332                  type & DATETIME_TIME_SS  ? int2str(ss, 2) : ""));
 333
 334       DrawText(xpos, ypos, s, pos->font);
 335     }
 336     else if ((type & DATETIME_FRAME) && (state & VIDEO_STATE_FRAME_ON))
 337     {
 338       DrawText(xpos, ypos, int2str(value, pos->size), pos->font);
 339     }
 340   }
 341 }
 342
 343 void DrawVideoDisplay(unsigned int state, unsigned int value)
 344 {
 345   DrawVideoDisplay_Graphics(state, value);
 346   DrawVideoDisplay_DateTime(state, value);
 347 }
 348
 349 void DrawVideoDisplayLabel(unsigned int state)
 350 {
 351   DrawVideoDisplay(state, VIDEO_DISPLAY_LABEL_ONLY);
 352 }
 353
 354 void DrawVideoDisplaySymbol(unsigned int state)
 355 {
 356   DrawVideoDisplay(state, VIDEO_DISPLAY_SYMBOL_ONLY);
 357 }
 358
 359 void DrawVideoDisplayCurrentState()
 360 {
 361   int state = 0;
 362
 363   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 364
 365   if (tape.pausing)
 366     state |= VIDEO_STATE_PAUSE_ON;
 367
 368   if (tape.recording)
 369   {
 370     state |= VIDEO_STATE_REC_ON;
 371
 372     if (tape.single_step)
 373       state |= VIDEO_STATE_1STEP_ON;
 374   }
 375   else if (tape.playing)
 376   {
 377     state |= VIDEO_STATE_PLAY_ON;
 378
 379     if (tape.deactivate_display)
 380       state |= VIDEO_STATE_WARP2_ON;
 381     else if (tape.warp_forward)
 382       state |= VIDEO_STATE_WARP_ON;
 383     else if (tape.fast_forward)
 384       state |= VIDEO_STATE_FFWD_ON;
 385
 386     if (tape.pause_before_end)
 387       state |= VIDEO_STATE_PBEND_ON;
 388   }
 389
 390   // draw labels and symbols separately to prevent labels overlapping symbols
 391   DrawVideoDisplayLabel(state);
 392   DrawVideoDisplaySymbol(state);
 393 }
 394
 395 void DrawCompleteVideoDisplay()
 396 {
 397   struct GraphicInfo *g_tape = &graphic_info[IMG_BACKGROUND_TAPE];
 398
 399   /* draw tape background */
 400   BlitBitmap(g_tape->bitmap, drawto, g_tape->src_x, g_tape->src_y,
 401              gfx.vxsize, gfx.vysize, gfx.vx, gfx.vy);
 402
 403   /* draw tape buttons (forced) */
 404   RedrawOrRemapTapeButtons();
 405
 406   DrawVideoDisplay(VIDEO_ALL_OFF, 0);
 407
 408   if (tape.recording)
 409   {
 410     DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 411     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 412     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 413     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 414
 415     if (tape.pausing)
 416       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
 417   }
 418   else if (tape.playing)
 419   {
 420     DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 421     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 422     DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 423     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 424
 425     if (tape.pausing)
 426       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
 427   }
 428   else if (tape.date && tape.length)
 429   {
 430     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 431     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 432     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 433   }
 434
 435   BlitBitmap(drawto, bitmap_db_door_2, gfx.vx, gfx.vy, gfx.vxsize, gfx.vysize,
 436              0, 0);
 437 }
 438
 439 void TapeDeactivateDisplayOn()
 440 {
 441   SetDrawDeactivationMask(REDRAW_FIELD);
 442   audio.sound_deactivated = TRUE;
 443 }
 444
 445 void TapeDeactivateDisplayOff(boolean redraw_display)
 446 {
 447   SetDrawDeactivationMask(REDRAW_NONE);
 448   audio.sound_deactivated = FALSE;
 449
 450   if (redraw_display)
 451   {
 452     RedrawPlayfield();
 453     DrawGameDoorValues();
 454   }
 455 }
 456
 457
 458 /* ========================================================================= */
 459 /* tape control functions                                                    */
 460 /* ========================================================================= */
 461
 462 void TapeSetDateFromEpochSeconds(time_t epoch_seconds)
 463 {
 464   struct tm *lt = localtime(&epoch_seconds);
 465
 466   tape.date = 10000 * (lt->tm_year % 100) + 100 * lt->tm_mon + lt->tm_mday;
 467 }
 468
 469 void TapeSetDateFromNow()
 470 {
 471   TapeSetDateFromEpochSeconds(time(NULL));
 472 }
 473
 474 void TapeErase()
 475 {
 476   int i;
 477
 478   tape.counter = 0;
 479   tape.length = 0;
 480   tape.length_frames = 0;
 481   tape.length_seconds = 0;
 482
 483   if (leveldir_current)
 484     setString(&tape.level_identifier, leveldir_current->identifier);
 485
 486   tape.level_nr = level_nr;
 487   tape.pos[tape.counter].delay = 0;
 488   tape.changed = TRUE;
 489
 490   tape.random_seed = InitRND(level.random_seed);
 491
 492   tape.file_version = FILE_VERSION_ACTUAL;
 493   tape.game_version = GAME_VERSION_ACTUAL;
 494   tape.engine_version = level.game_version;
 495
 496   TapeSetDateFromNow();
 497
 498   for (i = 0; i < MAX_PLAYERS; i++)
 499     tape.player_participates[i] = FALSE;
 500
 501   tape.centered_player_nr_next = -1;
 502   tape.set_centered_player = FALSE;
 503 }
 504
 505 static void TapeRewind()
 506 {
 507   tape.counter = 0;
 508   tape.delay_played = 0;
 509   tape.pause_before_end = FALSE;
 510   tape.recording = FALSE;
 511   tape.playing = FALSE;
 512   tape.fast_forward = FALSE;
 513   tape.warp_forward = FALSE;
 514   tape.deactivate_display = FALSE;
 515   tape.auto_play = (global.autoplay_leveldir != NULL);
 516   tape.auto_play_level_solved = FALSE;
 517   tape.quick_resume = FALSE;
 518   tape.single_step = FALSE;
 519
 520   tape.centered_player_nr_next = -1;
 521   tape.set_centered_player = FALSE;
 522
 523   InitRND(tape.random_seed);
 524 }
 525
 526 static void TapeSetRandomSeed(int random_seed)
 527 {
 528   tape.random_seed = InitRND(random_seed);
 529 }
 530
 531 void TapeStartRecording(int random_seed)
 532 {
 533   if (!TAPE_IS_STOPPED(tape))
 534     TapeStop();
 535
 536   TapeErase();
 537   TapeRewind();
 538   TapeSetRandomSeed(random_seed);
 539
 540   tape.recording = TRUE;
 541
 542   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 543   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 544   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 545   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 546
 547   MapTapeWarpButton();
 548
 549   SetDrawDeactivationMask(REDRAW_NONE);
 550   audio.sound_deactivated = FALSE;
 551 }
 552
 553 static void TapeStartGameRecording()
 554 {
 555   TapeStartRecording(level.random_seed);
 556
 557 #if defined(NETWORK_AVALIABLE)
 558   if (options.network)
 559   {
 560     SendToServer_StartPlaying();
 561
 562     return;
 563   }
 564 #endif
 565
 566   InitGame();
 567 }
 568
 569 static void TapeAppendRecording()
 570 {
 571   if (!tape.playing || !tape.pausing)
 572     return;
 573
 574   // stop playing
 575   tape.playing = FALSE;
 576   tape.fast_forward = FALSE;
 577   tape.warp_forward = FALSE;
 578   tape.pause_before_end = FALSE;
 579   tape.deactivate_display = FALSE;
 580
 581   // start recording
 582   tape.recording = TRUE;
 583   tape.changed = TRUE;
 584
 585   // set current delay (for last played move)
 586   tape.pos[tape.counter].delay = tape.delay_played;
 587
 588   // set current date
 589   TapeSetDateFromNow();
 590
 591   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 592   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
 593
 594   UpdateAndDisplayGameControlValues();
 595 }
 596
 597 void TapeHaltRecording()
 598 {
 599   if (!tape.recording)
 600     return;
 601
 602   tape.counter++;
 603   tape.pos[tape.counter].delay = 0;
 604
 605   tape.length = tape.counter;
 606   tape.length_frames = GetTapeLengthFrames();
 607   tape.length_seconds = GetTapeLengthSeconds();
 608 }
 609
 610 void TapeStopRecording()
 611 {
 612   TapeHaltRecording();
 613
 614   tape.recording = FALSE;
 615   tape.pausing = FALSE;
 616
 617   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
 618   MapTapeEjectButton();
 619 }
 620
 621 void TapeRecordAction(byte action_raw[MAX_PLAYERS])
 622 {
 623   byte action[MAX_PLAYERS];
 624   int i;
 625
 626   if (!tape.recording)          /* (record action even when tape is paused) */
 627     return;
 628
 629   if (tape.counter >= MAX_TAPE_LEN - 1)
 630   {
 631     TapeStopRecording();
 632     return;
 633   }
 634
 635   for (i = 0; i < MAX_PLAYERS; i++)
 636     action[i] = action_raw[i];
 637
 638   if (tape.set_centered_player)
 639   {
 640     for (i = 0; i < MAX_PLAYERS; i++)
 641       if (tape.centered_player_nr_next == i ||
 642           tape.centered_player_nr_next == -1)
 643         action[i] |= KEY_SET_FOCUS;
 644
 645     tape.set_centered_player = FALSE;
 646   }
 647
 648   if (tape.pos[tape.counter].delay > 0)         /* already stored action */
 649   {
 650     boolean changed_events = FALSE;
 651
 652     for (i = 0; i < MAX_PLAYERS; i++)
 653       if (tape.pos[tape.counter].action[i] != action[i])
 654         changed_events = TRUE;
 655
 656     if (changed_events || tape.pos[tape.counter].delay >= 255)
 657     {
 658       tape.counter++;
 659       tape.pos[tape.counter].delay = 0;
 660     }
 661     else
 662       tape.pos[tape.counter].delay++;
 663   }
 664
 665   if (tape.pos[tape.counter].delay == 0)        /* store new action */
 666   {
 667     for (i = 0; i < MAX_PLAYERS; i++)
 668       tape.pos[tape.counter].action[i] = action[i];
 669
 670     tape.pos[tape.counter].delay++;
 671   }
 672 }
 673
 674 void TapeTogglePause(boolean toggle_mode)
 675 {
 676   if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
 677   {
 678     // continue playing in normal mode
 679     tape.fast_forward = FALSE;
 680     tape.warp_forward = FALSE;
 681     tape.deactivate_display = FALSE;
 682
 683     tape.pause_before_end = FALSE;
 684   }
 685
 686   tape.pausing = !tape.pausing;
 687
 688   if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
 689     tape.single_step = FALSE;
 690
 691   DrawVideoDisplayCurrentState();
 692
 693   if (tape.deactivate_display)
 694   {
 695     if (tape.pausing)
 696       TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 697     else
 698       TapeDeactivateDisplayOn();
 699   }
 700
 701   if (tape.quick_resume)
 702   {
 703     tape.quick_resume = FALSE;
 704
 705     TapeStopWarpForward();
 706     TapeAppendRecording();
 707
 708     if (!CheckEngineSnapshotSingle())
 709       SaveEngineSnapshotSingle();
 710
 711     // restart step/move snapshots after quick loading tape
 712     SaveEngineSnapshotToListInitial();
 713   }
 714
 715   if (setup.show_snapshot_buttons &&
 716       game_status == GAME_MODE_PLAYING &&
 717       CheckEngineSnapshotList())
 718   {
 719     if (tape.pausing)
 720       MapUndoRedoButtons();
 721     else if (!tape.single_step)
 722       UnmapUndoRedoButtons();
 723   }
 724 }
 725
 726 void TapeStartPlaying()
 727 {
 728   if (TAPE_IS_EMPTY(tape))
 729     return;
 730
 731   if (!TAPE_IS_STOPPED(tape))
 732     TapeStop();
 733
 734   TapeRewind();
 735
 736   tape.playing = TRUE;
 737
 738   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 739   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 740   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 741   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 742
 743   MapTapeWarpButton();
 744
 745   SetDrawDeactivationMask(REDRAW_NONE);
 746   audio.sound_deactivated = FALSE;
 747 }
 748
 749 static void TapeStartGamePlaying()
 750 {
 751   TapeStartPlaying();
 752
 753   InitGame();
 754 }
 755
 756 void TapeStopPlaying()
 757 {
 758   tape.playing = FALSE;
 759   tape.pausing = FALSE;
 760
 761   if (tape.warp_forward)
 762     TapeStopWarpForward();
 763
 764   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 765   MapTapeEjectButton();
 766 }
 767
 768 byte *TapePlayAction()
 769 {
 770   int update_delay = FRAMES_PER_SECOND / 2;
 771   boolean update_video_display = (FrameCounter % update_delay == 0);
 772   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
 773   static byte action[MAX_PLAYERS];
 774   int i;
 775
 776   if (!tape.playing || tape.pausing)
 777     return NULL;
 778
 779   if (tape.pause_before_end)  // stop some seconds before end of tape
 780   {
 781     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
 782     {
 783       TapeStopWarpForward();
 784       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 785
 786       return NULL;
 787     }
 788   }
 789
 790   if (tape.counter >= tape.length)      /* end of tape reached */
 791   {
 792     if (tape.warp_forward && !tape.auto_play)
 793     {
 794       TapeStopWarpForward();
 795       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 796     }
 797     else
 798     {
 799       TapeStop();
 800     }
 801
 802     return NULL;
 803   }
 804
 805   if (update_video_display && !tape.deactivate_display)
 806   {
 807     int state = 0;
 808
 809     if (tape.warp_forward)
 810       state |= VIDEO_STATE_WARP(update_draw_label_on);
 811     else if (tape.fast_forward)
 812       state |= VIDEO_STATE_FFWD(update_draw_label_on);
 813
 814     if (tape.pause_before_end)
 815       state |= VIDEO_STATE_PBEND(update_draw_label_on);
 816
 817     // draw labels and symbols separately to prevent labels overlapping symbols
 818     DrawVideoDisplayLabel(state);
 819     DrawVideoDisplaySymbol(state);
 820   }
 821
 822   for (i = 0; i < MAX_PLAYERS; i++)
 823     action[i] = tape.pos[tape.counter].action[i];
 824
 825 #if DEBUG_TAPE_WHEN_PLAYING
 826   printf("%05d", FrameCounter);
 827   for (i = 0; i < MAX_PLAYERS; i++)
 828     printf("   %08x", action[i]);
 829   printf("\n");
 830 #endif
 831
 832   tape.set_centered_player = FALSE;
 833   tape.centered_player_nr_next = -999;
 834
 835   for (i = 0; i < MAX_PLAYERS; i++)
 836   {
 837     if (action[i] & KEY_SET_FOCUS)
 838     {
 839       tape.set_centered_player = TRUE;
 840       tape.centered_player_nr_next =
 841         (tape.centered_player_nr_next == -999 ? i : -1);
 842     }
 843
 844     action[i] &= ~KEY_SET_FOCUS;
 845   }
 846
 847   tape.delay_played++;
 848   if (tape.delay_played >= tape.pos[tape.counter].delay)
 849   {
 850     tape.counter++;
 851     tape.delay_played = 0;
 852   }
 853
 854   return action;
 855 }
 856
 857 void TapeStop()
 858 {
 859   TapeStopRecording();
 860   TapeStopPlaying();
 861
 862   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 863
 864   if (tape.date && tape.length)
 865   {
 866     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 867     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 868     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 869   }
 870 }
 871
 872 unsigned int GetTapeLengthFrames()
 873 {
 874   unsigned int tape_length_frames = 0;
 875   int i;
 876
 877   if (TAPE_IS_EMPTY(tape))
 878     return(0);
 879
 880   for (i = 0; i < tape.length; i++)
 881     tape_length_frames += tape.pos[i].delay;
 882
 883   return tape_length_frames;
 884 }
 885
 886 unsigned int GetTapeLengthSeconds()
 887 {
 888   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 889 }
 890
 891 static void TapeStartWarpForward(int mode)
 892 {
 893   tape.fast_forward = (mode & AUTOPLAY_FFWD);
 894   tape.warp_forward = (mode & AUTOPLAY_WARP);
 895   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
 896
 897   tape.pausing = FALSE;
 898
 899   if (tape.deactivate_display)
 900     TapeDeactivateDisplayOn();
 901
 902   DrawVideoDisplayCurrentState();
 903 }
 904
 905 static void TapeStopWarpForward()
 906 {
 907   tape.fast_forward = FALSE;
 908   tape.warp_forward = FALSE;
 909   tape.deactivate_display = FALSE;
 910
 911   tape.pause_before_end = FALSE;
 912
 913   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 914
 915   DrawVideoDisplayCurrentState();
 916 }
 917
 918 static void TapeSingleStep()
 919 {
 920   if (options.network)
 921     return;
 922
 923   if (!tape.pausing)
 924     TapeTogglePause(TAPE_TOGGLE_MANUAL);
 925
 926   tape.single_step = !tape.single_step;
 927
 928   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
 929 }
 930
 931 void TapeQuickSave()
 932 {
 933   if (game_status == GAME_MODE_MAIN)
 934   {
 935     Request("No game that can be saved!", REQ_CONFIRM);
 936
 937     return;
 938   }
 939
 940   if (game_status != GAME_MODE_PLAYING)
 941     return;
 942
 943   if (tape.recording)
 944     TapeHaltRecording();        /* prepare tape for saving on-the-fly */
 945
 946   if (TAPE_IS_EMPTY(tape))
 947   {
 948     Request("No tape that can be saved!", REQ_CONFIRM);
 949
 950     return;
 951   }
 952
 953   if (SaveTapeChecked(tape.level_nr))
 954     SaveEngineSnapshotSingle();
 955 }
 956
 957 void TapeQuickLoad()
 958 {
 959   char *filename = getTapeFilename(level_nr);
 960
 961   if (!fileExists(filename))
 962   {
 963     Request("No tape for this level!", REQ_CONFIRM);
 964
 965     return;
 966   }
 967
 968   if (tape.recording && !Request("Stop recording and load tape?",
 969                                  REQ_ASK | REQ_STAY_CLOSED))
 970   {
 971     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
 972
 973     return;
 974   }
 975
 976   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
 977     return;
 978
 979   if (CheckEngineSnapshotSingle())
 980   {
 981     TapeStartGamePlaying();
 982
 983     LoadEngineSnapshotSingle();
 984
 985     DrawCompleteVideoDisplay();
 986
 987     tape.playing = TRUE;
 988     tape.pausing = TRUE;
 989
 990     TapeStopWarpForward();
 991     TapeAppendRecording();
 992
 993     // restart step/move snapshots after quick loading tape
 994     SaveEngineSnapshotToListInitial();
 995
 996     if (FrameCounter > 0)
 997       return;
 998   }
 999
1000   TapeStop();
1001   TapeErase();
1002
1003   LoadTape(level_nr);
1004
1005   if (!TAPE_IS_EMPTY(tape))
1006   {
1007     TapeStartGamePlaying();
1008     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1009
1010     tape.quick_resume = TRUE;
1011   }
1012   else  /* this should not happen (basically checked above) */
1013   {
1014     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1015
1016     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1017   }
1018 }
1019
1020 void InsertSolutionTape()
1021 {
1022   if (!TAPE_IS_EMPTY(tape))
1023     return;
1024
1025   LoadSolutionTape(level_nr);
1026
1027   if (TAPE_IS_EMPTY(tape))
1028     Request("No solution tape for this level!", REQ_CONFIRM);
1029
1030   DrawCompleteVideoDisplay();
1031 }
1032
1033
1034 /* ------------------------------------------------------------------------- *
1035  * tape autoplay functions
1036  * ------------------------------------------------------------------------- */
1037
1038 void AutoPlayTape()
1039 {
1040   static LevelDirTree *autoplay_leveldir = NULL;
1041   static boolean autoplay_initialized = FALSE;
1042   static int autoplay_level_nr = -1;
1043   static int num_levels_played = 0;
1044   static int num_levels_solved = 0;
1045   static int num_tape_missing = 0;
1046   static boolean level_failed[MAX_TAPES_PER_SET];
1047   int i;
1048
1049   if (autoplay_initialized)
1050   {
1051     /* just finished auto-playing tape */
1052     Print("%s.\n", tape.auto_play_level_solved ? "solved" : "NOT SOLVED");
1053
1054     num_levels_played++;
1055
1056     if (tape.auto_play_level_solved)
1057       num_levels_solved++;
1058     else if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1059       level_failed[level_nr] = TRUE;
1060   }
1061   else
1062   {
1063     DrawCompleteVideoDisplay();
1064
1065     audio.sound_enabled = FALSE;
1066     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1067
1068     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1069                                                   global.autoplay_leveldir);
1070
1071     if (autoplay_leveldir == NULL)
1072       Error(ERR_EXIT, "no such level identifier: '%s'",
1073             global.autoplay_leveldir);
1074
1075     leveldir_current = autoplay_leveldir;
1076
1077     if (autoplay_leveldir->first_level < 0)
1078       autoplay_leveldir->first_level = 0;
1079     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1080       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1081
1082     autoplay_level_nr = autoplay_leveldir->first_level;
1083
1084     PrintLine("=", 79);
1085     Print("Automatically playing level tapes\n");
1086     PrintLine("-", 79);
1087     Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1088     Print("Level series name:       '%s'\n", autoplay_leveldir->name);
1089     Print("Level series author:     '%s'\n", autoplay_leveldir->author);
1090     Print("Number of levels:        %d\n",   autoplay_leveldir->levels);
1091     PrintLine("=", 79);
1092     Print("\n");
1093
1094     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1095       level_failed[i] = FALSE;
1096
1097     autoplay_initialized = TRUE;
1098   }
1099
1100   while (autoplay_level_nr <= autoplay_leveldir->last_level)
1101   {
1102     level_nr = autoplay_level_nr++;
1103
1104     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1105       continue;
1106
1107     TapeErase();
1108
1109     Print("Level %03d: ", level_nr);
1110
1111     LoadLevel(level_nr);
1112     if (level.no_valid_file)
1113     {
1114       Print("(no level)\n");
1115       continue;
1116     }
1117
1118 #if 0
1119     /* ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY */
1120     Print("(only testing level)\n");
1121     continue;
1122 #endif
1123
1124     if (options.mytapes)
1125       LoadTape(level_nr);
1126     else
1127       LoadSolutionTape(level_nr);
1128
1129     if (tape.no_valid_file)
1130     {
1131       num_tape_missing++;
1132
1133       Print("(no tape)\n");
1134
1135       continue;
1136     }
1137
1138     Print("playing tape ... ");
1139
1140     TapeStartGamePlaying();
1141     TapeStartWarpForward(global.autoplay_mode);
1142
1143     return;
1144   }
1145
1146   Print("\n");
1147   PrintLine("=", 79);
1148   Print("Number of levels played: %d\n", num_levels_played);
1149   Print("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1150          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1151   PrintLine("-", 79);
1152   Print("Summary (for automatic parsing by scripts):\n");
1153   Print("LEVELDIR '%s', SOLVED %d/%d (%d%%)",
1154          autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1155          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1156
1157   if (num_levels_played != num_levels_solved)
1158   {
1159     Print(", FAILED:");
1160     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1161       if (level_failed[i])
1162         Print(" %03d", i);
1163   }
1164
1165   Print("\n");
1166   PrintLine("=", 79);
1167
1168   CloseAllAndExit(0);
1169 }
1170
1171
1172 /* ---------- new tape button stuff ---------------------------------------- */
1173
1174 static struct
1175 {
1176   int graphic;
1177   struct XY *pos;
1178   int gadget_id;
1179   char *infotext;
1180 } tapebutton_info[NUM_TAPE_BUTTONS] =
1181 {
1182   {
1183     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1184     TAPE_CTRL_ID_EJECT,                 "eject tape"
1185   },
1186   {
1187     /* (same position as "eject" button) */
1188     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1189     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1190   },
1191   {
1192     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1193     TAPE_CTRL_ID_STOP,                  "stop tape"
1194   },
1195   {
1196     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1197     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1198   },
1199   {
1200     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1201     TAPE_CTRL_ID_RECORD,                "record tape"
1202   },
1203   {
1204     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1205     TAPE_CTRL_ID_PLAY,                  "play tape"
1206   }
1207 };
1208
1209 void CreateTapeButtons()
1210 {
1211   int i;
1212
1213   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1214   {
1215     struct GraphicInfo *gfx = &graphic_info[tapebutton_info[i].graphic];
1216     struct XY *pos = tapebutton_info[i].pos;
1217     struct GadgetInfo *gi;
1218     int gd_x = gfx->src_x;
1219     int gd_y = gfx->src_y;
1220     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1221     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1222     int id = i;
1223
1224     gi = CreateGadget(GDI_CUSTOM_ID, id,
1225                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1226                       GDI_X, VX + pos->x,
1227                       GDI_Y, VY + pos->y,
1228                       GDI_WIDTH, gfx->width,
1229                       GDI_HEIGHT, gfx->height,
1230                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1231                       GDI_STATE, GD_BUTTON_UNPRESSED,
1232                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1233                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1234                       GDI_DIRECT_DRAW, FALSE,
1235                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1236                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1237                       GDI_END);
1238
1239     if (gi == NULL)
1240       Error(ERR_EXIT, "cannot create gadget");
1241
1242     tape_gadget[id] = gi;
1243   }
1244 }
1245
1246 void FreeTapeButtons()
1247 {
1248   int i;
1249
1250   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1251     FreeGadget(tape_gadget[i]);
1252 }
1253
1254 void MapTapeEjectButton()
1255 {
1256   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1257   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1258 }
1259
1260 void MapTapeWarpButton()
1261 {
1262   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1263   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1264 }
1265
1266 void MapTapeButtons()
1267 {
1268   int i;
1269
1270   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1271     if (i != TAPE_CTRL_ID_EXTRA)
1272       MapGadget(tape_gadget[i]);
1273
1274   if (tape.recording || tape.playing)
1275     MapTapeWarpButton();
1276
1277   if (tape.show_game_buttons)
1278     MapGameButtons();
1279 }
1280
1281 void UnmapTapeButtons()
1282 {
1283   int i;
1284
1285   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1286     UnmapGadget(tape_gadget[i]);
1287
1288   if (tape.show_game_buttons)
1289     UnmapGameButtons();
1290 }
1291
1292 void RedrawTapeButtons()
1293 {
1294   int i;
1295
1296   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1297     RedrawGadget(tape_gadget[i]);
1298
1299   if (tape.show_game_buttons)
1300     RedrawGameButtons();
1301
1302   // RedrawGadget() may have set REDRAW_ALL if buttons are defined off-area
1303   redraw_mask &= ~REDRAW_ALL;
1304 }
1305
1306 void RedrawOrRemapTapeButtons()
1307 {
1308   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
1309   {
1310     // tape buttons already mapped
1311     RedrawTapeButtons();
1312   }
1313   else
1314   {
1315     UnmapTapeButtons();
1316     MapTapeButtons();
1317   }
1318 }
1319
1320 static void HandleTapeButtonsExt(int id)
1321 {
1322   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1323     return;
1324
1325   switch (id)
1326   {
1327     case TAPE_CTRL_ID_EJECT:
1328       TapeStop();
1329
1330       if (TAPE_IS_EMPTY(tape))
1331       {
1332         LoadTape(level_nr);
1333
1334         if (TAPE_IS_EMPTY(tape))
1335           Request("No tape for this level!", REQ_CONFIRM);
1336       }
1337       else
1338       {
1339         if (tape.changed)
1340           SaveTapeChecked(tape.level_nr);
1341
1342         TapeErase();
1343       }
1344
1345       DrawCompleteVideoDisplay();
1346       break;
1347
1348     case TAPE_CTRL_ID_EXTRA:
1349       if (tape.playing)
1350       {
1351         tape.pause_before_end = !tape.pause_before_end;
1352
1353         DrawVideoDisplayCurrentState();
1354       }
1355       else if (tape.recording)
1356       {
1357         TapeSingleStep();
1358       }
1359
1360       break;
1361
1362     case TAPE_CTRL_ID_STOP:
1363       TapeStop();
1364
1365       break;
1366
1367     case TAPE_CTRL_ID_PAUSE:
1368       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1369
1370       break;
1371
1372     case TAPE_CTRL_ID_RECORD:
1373       if (TAPE_IS_STOPPED(tape))
1374       {
1375         TapeStartGameRecording();
1376       }
1377       else if (tape.pausing)
1378       {
1379         if (tape.playing)                       /* PLAY -> PAUSE -> RECORD */
1380           TapeAppendRecording();
1381         else
1382           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1383       }
1384
1385       break;
1386
1387     case TAPE_CTRL_ID_PLAY:
1388       if (tape.recording && tape.pausing)       /* PAUSE -> RECORD */
1389       {
1390         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
1391
1392         TapeTogglePause(TAPE_TOGGLE_MANUAL);
1393       }
1394
1395       if (TAPE_IS_EMPTY(tape))
1396         break;
1397
1398       if (TAPE_IS_STOPPED(tape))
1399       {
1400         TapeStartGamePlaying();
1401       }
1402       else if (tape.playing)
1403       {
1404         if (tape.pausing)                       /* PAUSE -> PLAY */
1405         {
1406           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
1407         }
1408         else if (!tape.fast_forward)            /* PLAY -> FFWD */
1409         {
1410           tape.fast_forward = TRUE;
1411         }
1412         else if (!tape.warp_forward)            /* FFWD -> WARP */
1413         {
1414           tape.warp_forward = TRUE;
1415         }
1416         else if (!tape.deactivate_display)      /* WARP -> WARP BLIND */
1417         {
1418           tape.deactivate_display = TRUE;
1419
1420           TapeDeactivateDisplayOn();
1421         }
1422         else                                    /* WARP BLIND -> PLAY */
1423         {
1424           tape.fast_forward = FALSE;
1425           tape.warp_forward = FALSE;
1426           tape.deactivate_display = FALSE;
1427
1428           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1429         }
1430
1431         DrawVideoDisplayCurrentState();
1432       }
1433
1434       break;
1435
1436     default:
1437       break;
1438   }
1439 }
1440
1441 static void HandleTapeButtons(struct GadgetInfo *gi)
1442 {
1443   HandleTapeButtonsExt(gi->custom_id);
1444 }
1445
1446 void HandleTapeButtonKeys(Key key)
1447 {
1448   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
1449   boolean extra_button_is_active = !eject_button_is_active;
1450
1451   if (key == setup.shortcut.tape_eject && eject_button_is_active)
1452     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
1453   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
1454     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
1455   else if (key == setup.shortcut.tape_stop)
1456     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
1457   else if (key == setup.shortcut.tape_pause)
1458     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
1459   else if (key == setup.shortcut.tape_record)
1460     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
1461   else if (key == setup.shortcut.tape_play)
1462     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
1463 }