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     // do not map undo/redo buttons after quick loading tape
 715     return;
 716   }
 717
 718   if (setup.show_snapshot_buttons &&
 719       game_status == GAME_MODE_PLAYING &&
 720       CheckEngineSnapshotList())
 721   {
 722     if (tape.pausing)
 723       MapUndoRedoButtons();
 724     else if (!tape.single_step)
 725       UnmapUndoRedoButtons();
 726   }
 727 }
 728
 729 void TapeStartPlaying()
 730 {
 731   if (TAPE_IS_EMPTY(tape))
 732     return;
 733
 734   if (!TAPE_IS_STOPPED(tape))
 735     TapeStop();
 736
 737   TapeRewind();
 738
 739   tape.playing = TRUE;
 740
 741   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 742   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 743   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 744   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 745
 746   MapTapeWarpButton();
 747
 748   SetDrawDeactivationMask(REDRAW_NONE);
 749   audio.sound_deactivated = FALSE;
 750 }
 751
 752 static void TapeStartGamePlaying()
 753 {
 754   TapeStartPlaying();
 755
 756   InitGame();
 757 }
 758
 759 void TapeStopPlaying()
 760 {
 761   tape.playing = FALSE;
 762   tape.pausing = FALSE;
 763
 764   if (tape.warp_forward)
 765     TapeStopWarpForward();
 766
 767   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 768   MapTapeEjectButton();
 769 }
 770
 771 byte *TapePlayAction()
 772 {
 773   int update_delay = FRAMES_PER_SECOND / 2;
 774   boolean update_video_display = (FrameCounter % update_delay == 0);
 775   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
 776   static byte action[MAX_PLAYERS];
 777   int i;
 778
 779   if (!tape.playing || tape.pausing)
 780     return NULL;
 781
 782   if (tape.pause_before_end)  // stop some seconds before end of tape
 783   {
 784     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
 785     {
 786       TapeStopWarpForward();
 787       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 788
 789       return NULL;
 790     }
 791   }
 792
 793   if (tape.counter >= tape.length)      /* end of tape reached */
 794   {
 795     if (tape.warp_forward && !tape.auto_play)
 796     {
 797       TapeStopWarpForward();
 798       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 799     }
 800     else
 801     {
 802       TapeStop();
 803     }
 804
 805     return NULL;
 806   }
 807
 808   if (update_video_display && !tape.deactivate_display)
 809   {
 810     int state = 0;
 811
 812     if (tape.warp_forward)
 813       state |= VIDEO_STATE_WARP(update_draw_label_on);
 814     else if (tape.fast_forward)
 815       state |= VIDEO_STATE_FFWD(update_draw_label_on);
 816
 817     if (tape.pause_before_end)
 818       state |= VIDEO_STATE_PBEND(update_draw_label_on);
 819
 820     // draw labels and symbols separately to prevent labels overlapping symbols
 821     DrawVideoDisplayLabel(state);
 822     DrawVideoDisplaySymbol(state);
 823   }
 824
 825   for (i = 0; i < MAX_PLAYERS; i++)
 826     action[i] = tape.pos[tape.counter].action[i];
 827
 828 #if DEBUG_TAPE_WHEN_PLAYING
 829   printf("%05d", FrameCounter);
 830   for (i = 0; i < MAX_PLAYERS; i++)
 831     printf("   %08x", action[i]);
 832   printf("\n");
 833 #endif
 834
 835   tape.set_centered_player = FALSE;
 836   tape.centered_player_nr_next = -999;
 837
 838   for (i = 0; i < MAX_PLAYERS; i++)
 839   {
 840     if (action[i] & KEY_SET_FOCUS)
 841     {
 842       tape.set_centered_player = TRUE;
 843       tape.centered_player_nr_next =
 844         (tape.centered_player_nr_next == -999 ? i : -1);
 845     }
 846
 847     action[i] &= ~KEY_SET_FOCUS;
 848   }
 849
 850   tape.delay_played++;
 851   if (tape.delay_played >= tape.pos[tape.counter].delay)
 852   {
 853     tape.counter++;
 854     tape.delay_played = 0;
 855   }
 856
 857   return action;
 858 }
 859
 860 void TapeStop()
 861 {
 862   TapeStopRecording();
 863   TapeStopPlaying();
 864
 865   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 866
 867   if (tape.date && tape.length)
 868   {
 869     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 870     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 871     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 872   }
 873 }
 874
 875 unsigned int GetTapeLengthFrames()
 876 {
 877   unsigned int tape_length_frames = 0;
 878   int i;
 879
 880   if (TAPE_IS_EMPTY(tape))
 881     return(0);
 882
 883   for (i = 0; i < tape.length; i++)
 884     tape_length_frames += tape.pos[i].delay;
 885
 886   return tape_length_frames;
 887 }
 888
 889 unsigned int GetTapeLengthSeconds()
 890 {
 891   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 892 }
 893
 894 static void TapeStartWarpForward(int mode)
 895 {
 896   tape.fast_forward = (mode & AUTOPLAY_FFWD);
 897   tape.warp_forward = (mode & AUTOPLAY_WARP);
 898   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
 899
 900   tape.pausing = FALSE;
 901
 902   if (tape.deactivate_display)
 903     TapeDeactivateDisplayOn();
 904
 905   DrawVideoDisplayCurrentState();
 906 }
 907
 908 static void TapeStopWarpForward()
 909 {
 910   tape.fast_forward = FALSE;
 911   tape.warp_forward = FALSE;
 912   tape.deactivate_display = FALSE;
 913
 914   tape.pause_before_end = FALSE;
 915
 916   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 917
 918   DrawVideoDisplayCurrentState();
 919 }
 920
 921 static void TapeSingleStep()
 922 {
 923   if (options.network)
 924     return;
 925
 926   if (!tape.pausing)
 927     TapeTogglePause(TAPE_TOGGLE_MANUAL);
 928
 929   tape.single_step = !tape.single_step;
 930
 931   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
 932 }
 933
 934 void TapeQuickSave()
 935 {
 936   if (game_status == GAME_MODE_MAIN)
 937   {
 938     Request("No game that can be saved!", REQ_CONFIRM);
 939
 940     return;
 941   }
 942
 943   if (game_status != GAME_MODE_PLAYING)
 944     return;
 945
 946   if (tape.recording)
 947     TapeHaltRecording();        /* prepare tape for saving on-the-fly */
 948
 949   if (TAPE_IS_EMPTY(tape))
 950   {
 951     Request("No tape that can be saved!", REQ_CONFIRM);
 952
 953     return;
 954   }
 955
 956   if (SaveTapeChecked(tape.level_nr))
 957     SaveEngineSnapshotSingle();
 958 }
 959
 960 void TapeQuickLoad()
 961 {
 962   char *filename = getTapeFilename(level_nr);
 963
 964   if (!fileExists(filename))
 965   {
 966     Request("No tape for this level!", REQ_CONFIRM);
 967
 968     return;
 969   }
 970
 971   if (tape.recording && !Request("Stop recording and load tape?",
 972                                  REQ_ASK | REQ_STAY_CLOSED))
 973   {
 974     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
 975
 976     return;
 977   }
 978
 979   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
 980     return;
 981
 982   if (CheckEngineSnapshotSingle())
 983   {
 984     TapeStartGamePlaying();
 985
 986     LoadEngineSnapshotSingle();
 987
 988     DrawCompleteVideoDisplay();
 989
 990     tape.playing = TRUE;
 991     tape.pausing = TRUE;
 992
 993     TapeStopWarpForward();
 994     TapeAppendRecording();
 995
 996     // restart step/move snapshots after quick loading tape
 997     SaveEngineSnapshotToListInitial();
 998
 999     if (FrameCounter > 0)
1000       return;
1001   }
1002
1003   TapeStop();
1004   TapeErase();
1005
1006   LoadTape(level_nr);
1007
1008   if (!TAPE_IS_EMPTY(tape))
1009   {
1010     TapeStartGamePlaying();
1011     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1012
1013     tape.quick_resume = TRUE;
1014   }
1015   else  /* this should not happen (basically checked above) */
1016   {
1017     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1018
1019     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1020   }
1021 }
1022
1023 void InsertSolutionTape()
1024 {
1025   if (!TAPE_IS_EMPTY(tape))
1026     return;
1027
1028   LoadSolutionTape(level_nr);
1029
1030   if (TAPE_IS_EMPTY(tape))
1031     Request("No solution tape for this level!", REQ_CONFIRM);
1032
1033   DrawCompleteVideoDisplay();
1034 }
1035
1036
1037 /* ------------------------------------------------------------------------- *
1038  * tape autoplay functions
1039  * ------------------------------------------------------------------------- */
1040
1041 void AutoPlayTape()
1042 {
1043   static LevelDirTree *autoplay_leveldir = NULL;
1044   static boolean autoplay_initialized = FALSE;
1045   static int autoplay_level_nr = -1;
1046   static int num_levels_played = 0;
1047   static int num_levels_solved = 0;
1048   static int num_tape_missing = 0;
1049   static boolean level_failed[MAX_TAPES_PER_SET];
1050   int i;
1051
1052   if (autoplay_initialized)
1053   {
1054     /* just finished auto-playing tape */
1055     Print("%s.\n", tape.auto_play_level_solved ? "solved" : "NOT SOLVED");
1056
1057     num_levels_played++;
1058
1059     if (tape.auto_play_level_solved)
1060       num_levels_solved++;
1061     else if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1062       level_failed[level_nr] = TRUE;
1063   }
1064   else
1065   {
1066     DrawCompleteVideoDisplay();
1067
1068     audio.sound_enabled = FALSE;
1069     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1070
1071     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1072                                                   global.autoplay_leveldir);
1073
1074     if (autoplay_leveldir == NULL)
1075       Error(ERR_EXIT, "no such level identifier: '%s'",
1076             global.autoplay_leveldir);
1077
1078     leveldir_current = autoplay_leveldir;
1079
1080     if (autoplay_leveldir->first_level < 0)
1081       autoplay_leveldir->first_level = 0;
1082     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1083       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1084
1085     autoplay_level_nr = autoplay_leveldir->first_level;
1086
1087     PrintLine("=", 79);
1088     Print("Automatically playing level tapes\n");
1089     PrintLine("-", 79);
1090     Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1091     Print("Level series name:       '%s'\n", autoplay_leveldir->name);
1092     Print("Level series author:     '%s'\n", autoplay_leveldir->author);
1093     Print("Number of levels:        %d\n",   autoplay_leveldir->levels);
1094     PrintLine("=", 79);
1095     Print("\n");
1096
1097     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1098       level_failed[i] = FALSE;
1099
1100     autoplay_initialized = TRUE;
1101   }
1102
1103   while (autoplay_level_nr <= autoplay_leveldir->last_level)
1104   {
1105     level_nr = autoplay_level_nr++;
1106
1107     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1108       continue;
1109
1110     TapeErase();
1111
1112     Print("Level %03d: ", level_nr);
1113
1114     LoadLevel(level_nr);
1115     if (level.no_level_file || level.no_valid_file)
1116     {
1117       Print("(no level)\n");
1118       continue;
1119     }
1120
1121 #if 0
1122     /* ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY */
1123     Print("(only testing level)\n");
1124     continue;
1125 #endif
1126
1127     if (options.mytapes)
1128       LoadTape(level_nr);
1129     else
1130       LoadSolutionTape(level_nr);
1131
1132     if (tape.no_valid_file)
1133     {
1134       num_tape_missing++;
1135
1136       Print("(no tape)\n");
1137
1138       continue;
1139     }
1140
1141     Print("playing tape ... ");
1142
1143     TapeStartGamePlaying();
1144     TapeStartWarpForward(global.autoplay_mode);
1145
1146     return;
1147   }
1148
1149   Print("\n");
1150   PrintLine("=", 79);
1151   Print("Number of levels played: %d\n", num_levels_played);
1152   Print("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1153          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1154   PrintLine("-", 79);
1155   Print("Summary (for automatic parsing by scripts):\n");
1156   Print("LEVELDIR '%s', SOLVED %d/%d (%d%%)",
1157          autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1158          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1159
1160   if (num_levels_played != num_levels_solved)
1161   {
1162     Print(", FAILED:");
1163     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1164       if (level_failed[i])
1165         Print(" %03d", i);
1166   }
1167
1168   Print("\n");
1169   PrintLine("=", 79);
1170
1171   CloseAllAndExit(0);
1172 }
1173
1174
1175 /* ---------- new tape button stuff ---------------------------------------- */
1176
1177 static struct
1178 {
1179   int graphic;
1180   struct XY *pos;
1181   int gadget_id;
1182   char *infotext;
1183 } tapebutton_info[NUM_TAPE_BUTTONS] =
1184 {
1185   {
1186     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1187     TAPE_CTRL_ID_EJECT,                 "eject tape"
1188   },
1189   {
1190     /* (same position as "eject" button) */
1191     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1192     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1193   },
1194   {
1195     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1196     TAPE_CTRL_ID_STOP,                  "stop tape"
1197   },
1198   {
1199     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1200     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1201   },
1202   {
1203     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1204     TAPE_CTRL_ID_RECORD,                "record tape"
1205   },
1206   {
1207     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1208     TAPE_CTRL_ID_PLAY,                  "play tape"
1209   }
1210 };
1211
1212 void CreateTapeButtons()
1213 {
1214   int i;
1215
1216   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1217   {
1218     struct GraphicInfo *gfx = &graphic_info[tapebutton_info[i].graphic];
1219     struct XY *pos = tapebutton_info[i].pos;
1220     struct GadgetInfo *gi;
1221     int gd_x = gfx->src_x;
1222     int gd_y = gfx->src_y;
1223     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1224     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1225     int id = i;
1226
1227     gi = CreateGadget(GDI_CUSTOM_ID, id,
1228                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1229                       GDI_X, VX + pos->x,
1230                       GDI_Y, VY + pos->y,
1231                       GDI_WIDTH, gfx->width,
1232                       GDI_HEIGHT, gfx->height,
1233                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1234                       GDI_STATE, GD_BUTTON_UNPRESSED,
1235                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1236                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1237                       GDI_DIRECT_DRAW, FALSE,
1238                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1239                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1240                       GDI_END);
1241
1242     if (gi == NULL)
1243       Error(ERR_EXIT, "cannot create gadget");
1244
1245     tape_gadget[id] = gi;
1246   }
1247 }
1248
1249 void FreeTapeButtons()
1250 {
1251   int i;
1252
1253   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1254     FreeGadget(tape_gadget[i]);
1255 }
1256
1257 void MapTapeEjectButton()
1258 {
1259   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1260   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1261 }
1262
1263 void MapTapeWarpButton()
1264 {
1265   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1266   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1267 }
1268
1269 void MapTapeButtons()
1270 {
1271   int i;
1272
1273   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1274     if (i != TAPE_CTRL_ID_EXTRA)
1275       MapGadget(tape_gadget[i]);
1276
1277   if (tape.recording || tape.playing)
1278     MapTapeWarpButton();
1279
1280   if (tape.show_game_buttons)
1281     MapGameButtons();
1282 }
1283
1284 void UnmapTapeButtons()
1285 {
1286   int i;
1287
1288   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1289     UnmapGadget(tape_gadget[i]);
1290
1291   if (tape.show_game_buttons)
1292     UnmapGameButtons();
1293 }
1294
1295 void RedrawTapeButtons()
1296 {
1297   int i;
1298
1299   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1300     RedrawGadget(tape_gadget[i]);
1301
1302   if (tape.show_game_buttons)
1303     RedrawGameButtons();
1304
1305   // RedrawGadget() may have set REDRAW_ALL if buttons are defined off-area
1306   redraw_mask &= ~REDRAW_ALL;
1307 }
1308
1309 void RedrawOrRemapTapeButtons()
1310 {
1311   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
1312   {
1313     // tape buttons already mapped
1314     RedrawTapeButtons();
1315   }
1316   else
1317   {
1318     UnmapTapeButtons();
1319     MapTapeButtons();
1320   }
1321 }
1322
1323 static void HandleTapeButtonsExt(int id)
1324 {
1325   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1326     return;
1327
1328   switch (id)
1329   {
1330     case TAPE_CTRL_ID_EJECT:
1331       TapeStop();
1332
1333       if (TAPE_IS_EMPTY(tape))
1334       {
1335         LoadTape(level_nr);
1336
1337         if (TAPE_IS_EMPTY(tape))
1338           Request("No tape for this level!", REQ_CONFIRM);
1339       }
1340       else
1341       {
1342         if (tape.changed)
1343           SaveTapeChecked(tape.level_nr);
1344
1345         TapeErase();
1346       }
1347
1348       DrawCompleteVideoDisplay();
1349       break;
1350
1351     case TAPE_CTRL_ID_EXTRA:
1352       if (tape.playing)
1353       {
1354         tape.pause_before_end = !tape.pause_before_end;
1355
1356         DrawVideoDisplayCurrentState();
1357       }
1358       else if (tape.recording)
1359       {
1360         TapeSingleStep();
1361       }
1362
1363       break;
1364
1365     case TAPE_CTRL_ID_STOP:
1366       TapeStop();
1367
1368       break;
1369
1370     case TAPE_CTRL_ID_PAUSE:
1371       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1372
1373       break;
1374
1375     case TAPE_CTRL_ID_RECORD:
1376       if (TAPE_IS_STOPPED(tape))
1377       {
1378         TapeStartGameRecording();
1379       }
1380       else if (tape.pausing)
1381       {
1382         if (tape.playing)                       /* PLAY -> PAUSE -> RECORD */
1383           TapeAppendRecording();
1384         else
1385           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1386       }
1387
1388       break;
1389
1390     case TAPE_CTRL_ID_PLAY:
1391       if (tape.recording && tape.pausing)       /* PAUSE -> RECORD */
1392       {
1393         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
1394
1395         TapeTogglePause(TAPE_TOGGLE_MANUAL);
1396       }
1397
1398       if (TAPE_IS_EMPTY(tape))
1399         break;
1400
1401       if (TAPE_IS_STOPPED(tape))
1402       {
1403         TapeStartGamePlaying();
1404       }
1405       else if (tape.playing)
1406       {
1407         if (tape.pausing)                       /* PAUSE -> PLAY */
1408         {
1409           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
1410         }
1411         else if (!tape.fast_forward)            /* PLAY -> FFWD */
1412         {
1413           tape.fast_forward = TRUE;
1414         }
1415         else if (!tape.warp_forward)            /* FFWD -> WARP */
1416         {
1417           tape.warp_forward = TRUE;
1418         }
1419         else if (!tape.deactivate_display)      /* WARP -> WARP BLIND */
1420         {
1421           tape.deactivate_display = TRUE;
1422
1423           TapeDeactivateDisplayOn();
1424         }
1425         else                                    /* WARP BLIND -> PLAY */
1426         {
1427           tape.fast_forward = FALSE;
1428           tape.warp_forward = FALSE;
1429           tape.deactivate_display = FALSE;
1430
1431           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1432         }
1433
1434         DrawVideoDisplayCurrentState();
1435       }
1436
1437       break;
1438
1439     default:
1440       break;
1441   }
1442 }
1443
1444 static void HandleTapeButtons(struct GadgetInfo *gi)
1445 {
1446   HandleTapeButtonsExt(gi->custom_id);
1447 }
1448
1449 void HandleTapeButtonKeys(Key key)
1450 {
1451   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
1452   boolean extra_button_is_active = !eject_button_is_active;
1453
1454   if (key == setup.shortcut.tape_eject && eject_button_is_active)
1455     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
1456   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
1457     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
1458   else if (key == setup.shortcut.tape_stop)
1459     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
1460   else if (key == setup.shortcut.tape_pause)
1461     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
1462   else if (key == setup.shortcut.tape_record)
1463     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
1464   else if (key == setup.shortcut.tape_play)
1465     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
1466 }