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
  39 // forward declaration for internal use
  40 static void HandleTapeButtons(struct GadgetInfo *);
  41 static void TapeStopWarpForward(void);
  42 static float GetTapeLengthSecondsFloat(void);
  43
  44 static struct GadgetInfo *tape_gadget[NUM_TAPE_BUTTONS];
  45
  46
  47 // ============================================================================
  48 // video tape definitions
  49 // ============================================================================
  50
  51 #define VIDEO_INFO_OFF                  (VIDEO_STATE_DATE_OFF   |       \
  52                                          VIDEO_STATE_TIME_OFF   |       \
  53                                          VIDEO_STATE_FRAME_OFF)
  54 #define VIDEO_STATE_OFF                 (VIDEO_STATE_PLAY_OFF   |       \
  55                                          VIDEO_STATE_REC_OFF    |       \
  56                                          VIDEO_STATE_PAUSE_OFF  |       \
  57                                          VIDEO_STATE_FFWD_OFF   |       \
  58                                          VIDEO_STATE_WARP_OFF   |       \
  59                                          VIDEO_STATE_WARP2_OFF  |       \
  60                                          VIDEO_STATE_PBEND_OFF  |       \
  61                                          VIDEO_STATE_1STEP_OFF)
  62 #define VIDEO_PRESS_OFF                 (VIDEO_PRESS_PLAY_OFF   |       \
  63                                          VIDEO_PRESS_REC_OFF    |       \
  64                                          VIDEO_PRESS_PAUSE_OFF  |       \
  65                                          VIDEO_PRESS_STOP_OFF   |       \
  66                                          VIDEO_PRESS_EJECT_OFF)
  67 #define VIDEO_ALL_OFF                   (VIDEO_INFO_OFF         |       \
  68                                          VIDEO_STATE_OFF        |       \
  69                                          VIDEO_PRESS_OFF)
  70
  71 #define VIDEO_INFO_ON                   (VIDEO_STATE_DATE_ON    |       \
  72                                          VIDEO_STATE_TIME_ON    |       \
  73                                          VIDEO_STATE_FRAME_ON)
  74 #define VIDEO_STATE_ON                  (VIDEO_STATE_PLAY_ON    |       \
  75                                          VIDEO_STATE_REC_ON     |       \
  76                                          VIDEO_STATE_PAUSE_ON   |       \
  77                                          VIDEO_STATE_FFWD_ON    |       \
  78                                          VIDEO_STATE_WARP_ON    |       \
  79                                          VIDEO_STATE_WARP2_ON   |       \
  80                                          VIDEO_STATE_PBEND_ON   |       \
  81                                          VIDEO_STATE_1STEP_ON)
  82 #define VIDEO_PRESS_ON                  (VIDEO_PRESS_PLAY_ON    |       \
  83                                          VIDEO_PRESS_REC_ON     |       \
  84                                          VIDEO_PRESS_PAUSE_ON   |       \
  85                                          VIDEO_PRESS_STOP_ON    |       \
  86                                          VIDEO_PRESS_EJECT_ON)
  87 #define VIDEO_ALL_ON                    (VIDEO_INFO_ON          |       \
  88                                          VIDEO_STATE_ON         |       \
  89                                          VIDEO_PRESS_ON)
  90
  91 #define VIDEO_INFO                      (VIDEO_INFO_ON | VIDEO_INFO_OFF)
  92 #define VIDEO_STATE                     (VIDEO_STATE_ON | VIDEO_STATE_OFF)
  93 #define VIDEO_PRESS                     (VIDEO_PRESS_ON | VIDEO_PRESS_OFF)
  94 #define VIDEO_ALL                       (VIDEO_ALL_ON | VIDEO_ALL_OFF)
  95
  96 #define NUM_TAPE_FUNCTIONS              11
  97 #define NUM_TAPE_FUNCTION_PARTS         2
  98 #define NUM_TAPE_FUNCTION_STATES        2
  99
 100
 101 // ============================================================================
 102 // video display functions
 103 // ============================================================================
 104
 105 static void DrawVideoDisplay_Graphics(unsigned int state, unsigned int value)
 106 {
 107   int i, j, k;
 108
 109   static struct
 110   {
 111     int graphic;
 112     struct XY *pos;
 113   }
 114   video_pos[NUM_TAPE_FUNCTIONS][NUM_TAPE_FUNCTION_PARTS] =
 115   {
 116     {
 117       { IMG_GFX_TAPE_LABEL_PLAY,                &tape.label.play        },
 118       { IMG_GFX_TAPE_SYMBOL_PLAY,               &tape.symbol.play       },
 119     },
 120     {
 121       { IMG_GFX_TAPE_LABEL_RECORD,              &tape.label.record      },
 122       { IMG_GFX_TAPE_SYMBOL_RECORD,             &tape.symbol.record     },
 123     },
 124     {
 125       { IMG_GFX_TAPE_LABEL_PAUSE,               &tape.label.pause       },
 126       { IMG_GFX_TAPE_SYMBOL_PAUSE,              &tape.symbol.pause      },
 127     },
 128     {
 129       { IMG_GFX_TAPE_LABEL_DATE,                &tape.label.date        },
 130       { -1,                                     NULL                    },
 131     },
 132     {
 133       { IMG_GFX_TAPE_LABEL_TIME,                &tape.label.time        },
 134       { -1,                                     NULL                    },
 135     },
 136     {
 137       // (no label for displaying optional frame)
 138       { -1,                                     NULL                    },
 139       { -1,                                     NULL                    },
 140     },
 141     {
 142       { IMG_GFX_TAPE_LABEL_FAST_FORWARD,        &tape.label.fast_forward  },
 143       { IMG_GFX_TAPE_SYMBOL_FAST_FORWARD,       &tape.symbol.fast_forward },
 144     },
 145     {
 146       { IMG_GFX_TAPE_LABEL_WARP_FORWARD,        &tape.label.warp_forward  },
 147       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD,       &tape.symbol.warp_forward },
 148     },
 149     {
 150       { IMG_GFX_TAPE_LABEL_WARP_FORWARD_BLIND,  &tape.label.warp_forward_blind},
 151       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD_BLIND, &tape.symbol.warp_forward_blind},
 152     },
 153     {
 154       { IMG_GFX_TAPE_LABEL_PAUSE_BEFORE_END,    &tape.label.pause_before_end  },
 155       { IMG_GFX_TAPE_SYMBOL_PAUSE_BEFORE_END,   &tape.symbol.pause_before_end },
 156     },
 157     {
 158       { IMG_GFX_TAPE_LABEL_SINGLE_STEP,         &tape.label.single_step  },
 159       { IMG_GFX_TAPE_SYMBOL_SINGLE_STEP,        &tape.symbol.single_step },
 160     },
 161   };
 162
 163   for (k = 0; k < NUM_TAPE_FUNCTION_STATES; k++)        // on or off states
 164   {
 165     for (i = 0; i < NUM_TAPE_FUNCTIONS; i++)            // record, play, ...
 166     {
 167       for (j = 0; j < NUM_TAPE_FUNCTION_PARTS; j++)     // label or symbol
 168       {
 169         int graphic = video_pos[i][j].graphic;
 170         struct XY *pos = video_pos[i][j].pos;
 171
 172         if (graphic == -1 ||
 173             pos->x == -1 ||
 174             pos->y == -1)
 175           continue;
 176
 177         if (state & (1 << (i * 2 + k)))
 178         {
 179           struct GraphicInfo *gfx_bg = &graphic_info[IMG_BACKGROUND_TAPE];
 180           struct GraphicInfo *gfx = &graphic_info[graphic];
 181           Bitmap *gd_bitmap;
 182           int gd_x, gd_y;
 183           int skip_value =
 184             (j == 0 ? VIDEO_DISPLAY_SYMBOL_ONLY : VIDEO_DISPLAY_LABEL_ONLY);
 185
 186           if (value == skip_value)
 187             continue;
 188
 189           if (k == 1)           // on
 190           {
 191             gd_bitmap = gfx->bitmap;
 192             gd_x = gfx->src_x;
 193             gd_y = gfx->src_y;
 194           }
 195           else                  // off
 196           {
 197             gd_bitmap = gfx_bg->bitmap;
 198             gd_x = gfx_bg->src_x + pos->x;
 199             gd_y = gfx_bg->src_y + pos->y;
 200           }
 201
 202           // some tape graphics may be undefined -- only draw if defined
 203           if (gd_bitmap != NULL)
 204             BlitBitmap(gd_bitmap, drawto, gd_x, gd_y, gfx->width, gfx->height,
 205                        VX + pos->x, VY + pos->y);
 206
 207           redraw_mask |= REDRAW_DOOR_2;
 208         }
 209       }
 210     }
 211   }
 212 }
 213
 214
 215 #define DATETIME_NONE                   (0)
 216
 217 #define DATETIME_DATE_YYYY              (1 << 0)
 218 #define DATETIME_DATE_YY                (1 << 1)
 219 #define DATETIME_DATE_MON               (1 << 2)
 220 #define DATETIME_DATE_MM                (1 << 3)
 221 #define DATETIME_DATE_DD                (1 << 4)
 222
 223 #define DATETIME_TIME_HH                (1 << 5)
 224 #define DATETIME_TIME_MIN               (1 << 6)
 225 #define DATETIME_TIME_MM                (1 << 7)
 226 #define DATETIME_TIME_SS                (1 << 8)
 227
 228 #define DATETIME_FRAME                  (1 << 9)
 229
 230 #define DATETIME_XOFFSET_1              (1 << 10)
 231 #define DATETIME_XOFFSET_2              (1 << 11)
 232
 233 #define DATETIME_DATE                   (DATETIME_DATE_YYYY     |       \
 234                                          DATETIME_DATE_YY       |       \
 235                                          DATETIME_DATE_MON      |       \
 236                                          DATETIME_DATE_MM       |       \
 237                                          DATETIME_DATE_DD)
 238
 239 #define DATETIME_TIME                   (DATETIME_TIME_HH       |       \
 240                                          DATETIME_TIME_MIN      |       \
 241                                          DATETIME_TIME_MM       |       \
 242                                          DATETIME_TIME_SS)
 243
 244 #define MAX_DATETIME_STRING_SIZE        32
 245
 246 static void DrawVideoDisplay_DateTime(unsigned int state, unsigned int value)
 247 {
 248   int i;
 249
 250   static char *month_shortnames[] =
 251   {
 252     "JAN",
 253     "FEB",
 254     "MAR",
 255     "APR",
 256     "MAY",
 257     "JUN",
 258     "JUL",
 259     "AUG",
 260     "SEP",
 261     "OCT",
 262     "NOV",
 263     "DEC"
 264   };
 265
 266   static struct
 267   {
 268     struct TextPosInfo *pos;
 269     int type;
 270   }
 271   datetime_info[] =
 272   {
 273     { &tape.text.date,          DATETIME_DATE_DD                        },
 274     { &tape.text.date,          DATETIME_DATE_MON | DATETIME_XOFFSET_1  },
 275     { &tape.text.date,          DATETIME_DATE_YY  | DATETIME_XOFFSET_2  },
 276     { &tape.text.date_yyyy,     DATETIME_DATE_YYYY                      },
 277     { &tape.text.date_yy,       DATETIME_DATE_YY                        },
 278     { &tape.text.date_mon,      DATETIME_DATE_MON                       },
 279     { &tape.text.date_mm,       DATETIME_DATE_MM                        },
 280     { &tape.text.date_dd,       DATETIME_DATE_DD                        },
 281
 282     { &tape.text.time,          DATETIME_TIME_MIN                       },
 283     { &tape.text.time,          DATETIME_TIME_SS  | DATETIME_XOFFSET_1  },
 284     { &tape.text.time_hh,       DATETIME_TIME_HH                        },
 285     { &tape.text.time_mm,       DATETIME_TIME_MM                        },
 286     { &tape.text.time_ss,       DATETIME_TIME_SS                        },
 287
 288     { &tape.text.frame,         DATETIME_FRAME                          },
 289
 290     { NULL,                     DATETIME_NONE                           },
 291   };
 292
 293   for (i = 0; datetime_info[i].pos != NULL; i++)
 294   {
 295     struct TextPosInfo *pos = datetime_info[i].pos;
 296     int type = datetime_info[i].type;
 297     int xpos, ypos;
 298
 299     if (pos->x == -1 &&
 300         pos->y == -1)
 301       continue;
 302
 303     xpos = VX + pos->x + (type & DATETIME_XOFFSET_1 ? pos->xoffset  :
 304                           type & DATETIME_XOFFSET_2 ? pos->xoffset2 : 0);
 305     ypos = VY + pos->y;
 306
 307     if ((type & DATETIME_DATE) && (state & VIDEO_STATE_DATE_ON))
 308     {
 309       char s[MAX_DATETIME_STRING_SIZE];
 310       int year2 = value / 10000;
 311       int year4 = (year2 < 70 ? 2000 + year2 : 1900 + year2);
 312       int month_index = (value / 100) % 100;
 313       int month = month_index + 1;
 314       int day = value % 100;
 315
 316       strcpy(s, (type & DATETIME_DATE_YYYY ? int2str(year4, 4) :
 317                  type & DATETIME_DATE_YY   ? int2str(year2, 2) :
 318                  type & DATETIME_DATE_MON  ? month_shortnames[month_index] :
 319                  type & DATETIME_DATE_MM   ? int2str(month, 2) :
 320                  type & DATETIME_DATE_DD   ? int2str(day, 2) : ""));
 321
 322       DrawText(xpos, ypos, s, pos->font);
 323     }
 324     else if ((type & DATETIME_TIME) && (state & VIDEO_STATE_TIME_ON))
 325     {
 326       char s[MAX_DATETIME_STRING_SIZE];
 327       int hh = (value / 3600) % 100;
 328       int min = value / 60;
 329       int mm = (value / 60) % 60;
 330       int ss = value % 60;
 331
 332       strcpy(s, (type & DATETIME_TIME_HH  ? int2str(hh, 2) :
 333                  type & DATETIME_TIME_MIN ? int2str(min, 2) :
 334                  type & DATETIME_TIME_MM  ? int2str(mm, 2) :
 335                  type & DATETIME_TIME_SS  ? int2str(ss, 2) : ""));
 336
 337       DrawText(xpos, ypos, s, pos->font);
 338     }
 339     else if ((type & DATETIME_FRAME) && (state & VIDEO_STATE_FRAME_ON))
 340     {
 341       DrawText(xpos, ypos, int2str(value, pos->size), pos->font);
 342     }
 343   }
 344 }
 345
 346 void DrawVideoDisplay(unsigned int state, unsigned int value)
 347 {
 348   DrawVideoDisplay_Graphics(state, value);
 349   DrawVideoDisplay_DateTime(state, value);
 350 }
 351
 352 static void DrawVideoDisplayLabel(unsigned int state)
 353 {
 354   DrawVideoDisplay(state, VIDEO_DISPLAY_LABEL_ONLY);
 355 }
 356
 357 static void DrawVideoDisplaySymbol(unsigned int state)
 358 {
 359   DrawVideoDisplay(state, VIDEO_DISPLAY_SYMBOL_ONLY);
 360 }
 361
 362 static void DrawVideoDisplayCurrentState(void)
 363 {
 364   int state = 0;
 365
 366   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 367
 368   if (tape.pausing)
 369     state |= VIDEO_STATE_PAUSE_ON;
 370
 371   if (tape.recording)
 372   {
 373     state |= VIDEO_STATE_REC_ON;
 374
 375     if (tape.single_step)
 376       state |= VIDEO_STATE_1STEP_ON;
 377   }
 378   else if (tape.playing)
 379   {
 380     state |= VIDEO_STATE_PLAY_ON;
 381
 382     if (!tape.pausing)
 383     {
 384       if (tape.deactivate_display)
 385         state |= VIDEO_STATE_WARP2_ON;
 386       else if (tape.warp_forward)
 387         state |= VIDEO_STATE_WARP_ON;
 388       else if (tape.fast_forward)
 389         state |= VIDEO_STATE_FFWD_ON;
 390
 391       if (tape.pause_before_end)
 392         state |= VIDEO_STATE_PBEND_ON;
 393     }
 394   }
 395
 396   // draw labels and symbols separately to prevent labels overlapping symbols
 397   DrawVideoDisplayLabel(state);
 398   DrawVideoDisplaySymbol(state);
 399 }
 400
 401 void DrawCompleteVideoDisplay(void)
 402 {
 403   struct GraphicInfo *g_tape = &graphic_info[IMG_BACKGROUND_TAPE];
 404
 405   // draw tape background
 406   BlitBitmap(g_tape->bitmap, drawto, g_tape->src_x, g_tape->src_y,
 407              gfx.vxsize, gfx.vysize, gfx.vx, gfx.vy);
 408
 409   // draw tape buttons (forced)
 410   RedrawOrRemapTapeButtons();
 411
 412   DrawVideoDisplay(VIDEO_ALL_OFF, 0);
 413
 414   if (tape.recording)
 415   {
 416     DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 417     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 418     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 419     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 420
 421     if (tape.pausing)
 422       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
 423   }
 424   else if (tape.playing)
 425   {
 426     DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 427     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 428     DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 429     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 430
 431     if (tape.pausing)
 432       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
 433   }
 434   else if (tape.date && tape.length)
 435   {
 436     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 437     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 438     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 439   }
 440
 441   BlitBitmap(drawto, bitmap_db_door_2, gfx.vx, gfx.vy, gfx.vxsize, gfx.vysize,
 442              0, 0);
 443 }
 444
 445 void TapeDeactivateDisplayOn(void)
 446 {
 447   SetDrawDeactivationMask(REDRAW_FIELD);
 448   audio.sound_deactivated = TRUE;
 449 }
 450
 451 void TapeDeactivateDisplayOff(boolean redraw_display)
 452 {
 453   SetDrawDeactivationMask(REDRAW_NONE);
 454   audio.sound_deactivated = FALSE;
 455
 456   if (redraw_display)
 457   {
 458     RedrawPlayfield();
 459     DrawGameDoorValues();
 460   }
 461 }
 462
 463
 464 // ============================================================================
 465 // tape logging functions
 466 // ============================================================================
 467
 468 static void PrintTapeReplayProgress(boolean replay_finished)
 469 {
 470   static unsigned int counter_last = -1;
 471   unsigned int counter = Counter();
 472   unsigned int counter_seconds  = counter / 1000;
 473
 474   if (!replay_finished)
 475   {
 476     unsigned int counter_delay = 50;
 477
 478     if (counter > counter_last + counter_delay)
 479     {
 480       PrintNoLog("\r");
 481       PrintNoLog("Level %03d [%02d:%02d]: [%02d:%02d] - playing tape ... ",
 482                  level_nr, tape.length_seconds / 60, tape.length_seconds % 60,
 483                  TapeTime / 60, TapeTime % 60);
 484
 485       counter_last = counter;
 486     }
 487   }
 488   else
 489   {
 490     float tape_length_seconds = GetTapeLengthSecondsFloat();
 491
 492     PrintNoLog("\r");
 493     Print("Level %03d [%02d:%02d]: (%02d:%02d.%03d / %.2f %%) - %s.\n",
 494           level_nr, tape.length_seconds / 60, tape.length_seconds % 60,
 495           counter_seconds / 60, counter_seconds % 60, counter % 1000,
 496           (float)counter / tape_length_seconds / 10,
 497           tape.auto_play_level_solved ? "solved" : "NOT SOLVED");
 498
 499     counter_last = -1;
 500   }
 501 }
 502
 503
 504 // ============================================================================
 505 // tape control functions
 506 // ============================================================================
 507
 508 void TapeSetDateFromEpochSeconds(time_t epoch_seconds)
 509 {
 510   struct tm *lt = localtime(&epoch_seconds);
 511
 512   tape.date = 10000 * (lt->tm_year % 100) + 100 * lt->tm_mon + lt->tm_mday;
 513 }
 514
 515 void TapeSetDateFromNow(void)
 516 {
 517   TapeSetDateFromEpochSeconds(time(NULL));
 518 }
 519
 520 void TapeErase(void)
 521 {
 522   int i;
 523
 524   tape.counter = 0;
 525   tape.length = 0;
 526   tape.length_frames = 0;
 527   tape.length_seconds = 0;
 528
 529   if (leveldir_current)
 530     setString(&tape.level_identifier, leveldir_current->identifier);
 531
 532   tape.level_nr = level_nr;
 533   tape.pos[tape.counter].delay = 0;
 534   tape.changed = TRUE;
 535
 536   tape.random_seed = InitRND(level.random_seed);
 537
 538   tape.file_version = FILE_VERSION_ACTUAL;
 539   tape.game_version = GAME_VERSION_ACTUAL;
 540   tape.engine_version = level.game_version;
 541
 542   TapeSetDateFromNow();
 543
 544   for (i = 0; i < MAX_PLAYERS; i++)
 545     tape.player_participates[i] = FALSE;
 546
 547   tape.centered_player_nr_next = -1;
 548   tape.set_centered_player = FALSE;
 549
 550   // set flags for game actions to default values (may be overwritten later)
 551   tape.use_key_actions = TRUE;
 552   tape.use_mouse_actions = FALSE;
 553 }
 554
 555 static void TapeRewind(void)
 556 {
 557   tape.counter = 0;
 558   tape.delay_played = 0;
 559   tape.pause_before_end = FALSE;
 560   tape.recording = FALSE;
 561   tape.playing = FALSE;
 562   tape.fast_forward = FALSE;
 563   tape.warp_forward = FALSE;
 564   tape.deactivate_display = FALSE;
 565   tape.auto_play = (global.autoplay_leveldir != NULL);
 566   tape.auto_play_level_solved = FALSE;
 567   tape.quick_resume = FALSE;
 568   tape.single_step = FALSE;
 569
 570   tape.centered_player_nr_next = -1;
 571   tape.set_centered_player = FALSE;
 572
 573   InitRND(tape.random_seed);
 574 }
 575
 576 static void TapeSetRandomSeed(int random_seed)
 577 {
 578   tape.random_seed = InitRND(random_seed);
 579 }
 580
 581 void TapeStartRecording(int random_seed)
 582 {
 583   if (!TAPE_IS_STOPPED(tape))
 584     TapeStop();
 585
 586   TapeErase();
 587   TapeRewind();
 588   TapeSetRandomSeed(random_seed);
 589
 590   tape.recording = TRUE;
 591
 592   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 593   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 594   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 595   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 596
 597   MapTapeWarpButton();
 598
 599   SetDrawDeactivationMask(REDRAW_NONE);
 600   audio.sound_deactivated = FALSE;
 601
 602   // required here to update video display if tape door is closed
 603   if (GetDoorState() & DOOR_CLOSE_2)
 604     OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
 605 }
 606
 607 static void TapeStartGameRecording(void)
 608 {
 609   StartGameActions(network.enabled, TRUE, level.random_seed);
 610 }
 611
 612 static void TapeAppendRecording(void)
 613 {
 614   if (!tape.playing || !tape.pausing)
 615     return;
 616
 617   // stop playing
 618   tape.playing = FALSE;
 619   tape.fast_forward = FALSE;
 620   tape.warp_forward = FALSE;
 621   tape.pause_before_end = FALSE;
 622   tape.deactivate_display = FALSE;
 623
 624   // start recording
 625   tape.recording = TRUE;
 626   tape.changed = TRUE;
 627
 628   // set current delay (for last played move)
 629   tape.pos[tape.counter].delay = tape.delay_played;
 630
 631   // set current date
 632   TapeSetDateFromNow();
 633
 634   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 635   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
 636
 637   UpdateAndDisplayGameControlValues();
 638 }
 639
 640 void TapeHaltRecording(void)
 641 {
 642   tape.counter++;
 643
 644   // initialize delay for next tape entry (to be able to continue recording)
 645   if (tape.counter < MAX_TAPE_LEN)
 646     tape.pos[tape.counter].delay = 0;
 647
 648   tape.length = tape.counter;
 649   tape.length_frames = GetTapeLengthFrames();
 650   tape.length_seconds = GetTapeLengthSeconds();
 651 }
 652
 653 void TapeStopRecording(void)
 654 {
 655   if (tape.recording)
 656     TapeHaltRecording();
 657
 658   tape.recording = FALSE;
 659   tape.pausing = FALSE;
 660
 661   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
 662   MapTapeEjectButton();
 663 }
 664
 665 boolean TapeAddAction(byte action[MAX_TAPE_ACTIONS])
 666 {
 667   int i;
 668
 669   if (tape.pos[tape.counter].delay > 0)         // already stored action
 670   {
 671     boolean changed_events = FALSE;
 672
 673     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 674       if (tape.pos[tape.counter].action[i] != action[i])
 675         changed_events = TRUE;
 676
 677     if (changed_events || tape.pos[tape.counter].delay >= 255)
 678     {
 679       if (tape.counter >= MAX_TAPE_LEN - 1)
 680         return FALSE;
 681
 682       tape.counter++;
 683       tape.pos[tape.counter].delay = 0;
 684     }
 685     else
 686       tape.pos[tape.counter].delay++;
 687   }
 688
 689   if (tape.pos[tape.counter].delay == 0)        // store new action
 690   {
 691     for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 692       tape.pos[tape.counter].action[i] = action[i];
 693
 694     tape.pos[tape.counter].delay++;
 695   }
 696
 697   return TRUE;
 698 }
 699
 700 void TapeRecordAction(byte action_raw[MAX_TAPE_ACTIONS])
 701 {
 702   byte action[MAX_TAPE_ACTIONS];
 703   int i;
 704
 705   if (!tape.recording)          // (record action even when tape is paused)
 706     return;
 707
 708   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 709     action[i] = action_raw[i];
 710
 711   if (tape.use_key_actions && tape.set_centered_player)
 712   {
 713     for (i = 0; i < MAX_PLAYERS; i++)
 714       if (tape.centered_player_nr_next == i ||
 715           tape.centered_player_nr_next == -1)
 716         action[i] |= KEY_SET_FOCUS;
 717
 718     tape.set_centered_player = FALSE;
 719   }
 720
 721   if (!TapeAddAction(action))
 722     TapeStopRecording();
 723 }
 724
 725 void TapeTogglePause(boolean toggle_mode)
 726 {
 727   if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
 728   {
 729     // continue playing in normal mode
 730     tape.fast_forward = FALSE;
 731     tape.warp_forward = FALSE;
 732     tape.deactivate_display = FALSE;
 733
 734     tape.pause_before_end = FALSE;
 735   }
 736
 737   tape.pausing = !tape.pausing;
 738
 739   if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
 740     tape.single_step = FALSE;
 741
 742   DrawVideoDisplayCurrentState();
 743
 744   if (tape.deactivate_display)
 745   {
 746     if (tape.pausing)
 747       TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 748     else
 749       TapeDeactivateDisplayOn();
 750   }
 751
 752   if (tape.quick_resume)
 753   {
 754     tape.quick_resume = FALSE;
 755
 756     TapeStopWarpForward();
 757     TapeAppendRecording();
 758
 759     if (!CheckEngineSnapshotSingle())
 760       SaveEngineSnapshotSingle();
 761
 762     // restart step/move snapshots after quick loading tape
 763     SaveEngineSnapshotToListInitial();
 764
 765     // do not map undo/redo buttons after quick loading tape
 766     return;
 767   }
 768
 769   if (game_status == GAME_MODE_PLAYING)
 770   {
 771     if (setup.show_snapshot_buttons && CheckEngineSnapshotList())
 772     {
 773       if (tape.pausing)
 774         MapUndoRedoButtons();
 775       else if (!tape.single_step)
 776         UnmapUndoRedoButtons();
 777     }
 778
 779     ModifyPauseButtons();
 780   }
 781 }
 782
 783 void TapeStartPlaying(void)
 784 {
 785   if (TAPE_IS_EMPTY(tape))
 786     return;
 787
 788   if (!TAPE_IS_STOPPED(tape))
 789     TapeStop();
 790
 791   TapeRewind();
 792
 793   tape.playing = TRUE;
 794
 795   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 796   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 797   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 798   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 799
 800   MapTapeWarpButton();
 801
 802   SetDrawDeactivationMask(REDRAW_NONE);
 803   audio.sound_deactivated = FALSE;
 804 }
 805
 806 static void TapeStartGamePlaying(void)
 807 {
 808   TapeStartPlaying();
 809
 810   InitGame();
 811 }
 812
 813 void TapeStopPlaying(void)
 814 {
 815   tape.playing = FALSE;
 816   tape.pausing = FALSE;
 817
 818   if (tape.warp_forward)
 819     TapeStopWarpForward();
 820
 821   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 822   MapTapeEjectButton();
 823 }
 824
 825 byte *TapePlayAction(void)
 826 {
 827   int update_delay = FRAMES_PER_SECOND / 2;
 828   boolean update_video_display = (FrameCounter % update_delay == 0);
 829   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
 830   static byte action[MAX_TAPE_ACTIONS];
 831   int i;
 832
 833   if (!tape.playing || tape.pausing)
 834     return NULL;
 835
 836   if (tape.pause_before_end)  // stop some seconds before end of tape
 837   {
 838     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
 839     {
 840       TapeStopWarpForward();
 841       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 842
 843       return NULL;
 844     }
 845   }
 846
 847   if (tape.counter >= tape.length)      // end of tape reached
 848   {
 849     if (tape.warp_forward && !tape.auto_play)
 850     {
 851       TapeStopWarpForward();
 852       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 853     }
 854     else
 855     {
 856       TapeStop();
 857     }
 858
 859     return NULL;
 860   }
 861
 862   if (update_video_display && !tape.deactivate_display)
 863   {
 864     int state = 0;
 865
 866     if (tape.warp_forward)
 867       state |= VIDEO_STATE_WARP(update_draw_label_on);
 868     else if (tape.fast_forward)
 869       state |= VIDEO_STATE_FFWD(update_draw_label_on);
 870
 871     if (tape.pause_before_end)
 872       state |= VIDEO_STATE_PBEND(update_draw_label_on);
 873
 874     // draw labels and symbols separately to prevent labels overlapping symbols
 875     DrawVideoDisplayLabel(state);
 876     DrawVideoDisplaySymbol(state);
 877   }
 878
 879   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 880     action[i] = tape.pos[tape.counter].action[i];
 881
 882 #if DEBUG_TAPE_WHEN_PLAYING
 883   printf("%05d", FrameCounter);
 884   for (i = 0; i < MAX_TAPE_ACTIONS; i++)
 885     printf("   %08x", action[i]);
 886   printf("\n");
 887 #endif
 888
 889   tape.set_centered_player = FALSE;
 890   tape.centered_player_nr_next = -999;
 891
 892   if (tape.use_key_actions)
 893   {
 894     for (i = 0; i < MAX_PLAYERS; i++)
 895     {
 896       if (action[i] & KEY_SET_FOCUS)
 897       {
 898         tape.set_centered_player = TRUE;
 899         tape.centered_player_nr_next =
 900           (tape.centered_player_nr_next == -999 ? i : -1);
 901       }
 902
 903       action[i] &= ~KEY_SET_FOCUS;
 904     }
 905   }
 906
 907   tape.delay_played++;
 908   if (tape.delay_played >= tape.pos[tape.counter].delay)
 909   {
 910     tape.counter++;
 911     tape.delay_played = 0;
 912   }
 913
 914   if (tape.auto_play)
 915     PrintTapeReplayProgress(FALSE);
 916
 917   return action;
 918 }
 919
 920 void TapeStop(void)
 921 {
 922   if (tape.pausing)
 923     TapeTogglePause(TAPE_TOGGLE_MANUAL);
 924
 925   TapeStopRecording();
 926   TapeStopPlaying();
 927
 928   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 929
 930   if (tape.date && tape.length)
 931   {
 932     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 933     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 934     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 935   }
 936 }
 937
 938 unsigned int GetTapeLengthFrames(void)
 939 {
 940   unsigned int tape_length_frames = 0;
 941   int i;
 942
 943   if (TAPE_IS_EMPTY(tape))
 944     return(0);
 945
 946   for (i = 0; i < tape.length; i++)
 947     tape_length_frames += tape.pos[i].delay;
 948
 949   return tape_length_frames;
 950 }
 951
 952 unsigned int GetTapeLengthSeconds(void)
 953 {
 954   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 955 }
 956
 957 static float GetTapeLengthSecondsFloat(void)
 958 {
 959   return ((float)GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 960 }
 961
 962 static void TapeStartWarpForward(int mode)
 963 {
 964   tape.fast_forward = (mode & AUTOPLAY_FFWD);
 965   tape.warp_forward = (mode & AUTOPLAY_WARP);
 966   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
 967
 968   tape.pausing = FALSE;
 969
 970   if (tape.deactivate_display)
 971     TapeDeactivateDisplayOn();
 972
 973   DrawVideoDisplayCurrentState();
 974 }
 975
 976 static void TapeStopWarpForward(void)
 977 {
 978   tape.fast_forward = FALSE;
 979   tape.warp_forward = FALSE;
 980   tape.deactivate_display = FALSE;
 981
 982   tape.pause_before_end = FALSE;
 983
 984   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 985
 986   DrawVideoDisplayCurrentState();
 987 }
 988
 989 static void TapeSingleStep(void)
 990 {
 991   if (network.enabled)
 992     return;
 993
 994   if (!tape.pausing)
 995     TapeTogglePause(TAPE_TOGGLE_MANUAL);
 996
 997   tape.single_step = !tape.single_step;
 998
 999   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
1000 }
1001
1002 void TapeQuickSave(void)
1003 {
1004   if (game_status == GAME_MODE_MAIN)
1005   {
1006     Request("No game that can be saved!", REQ_CONFIRM);
1007
1008     return;
1009   }
1010
1011   if (game_status != GAME_MODE_PLAYING)
1012     return;
1013
1014   if (tape.recording)
1015     TapeHaltRecording();        // prepare tape for saving on-the-fly
1016
1017   if (TAPE_IS_EMPTY(tape))
1018   {
1019     Request("No tape that can be saved!", REQ_CONFIRM);
1020
1021     return;
1022   }
1023
1024   if (SaveTapeChecked(tape.level_nr))
1025     SaveEngineSnapshotSingle();
1026 }
1027
1028 void TapeQuickLoad(void)
1029 {
1030   char *filename = getTapeFilename(level_nr);
1031
1032   if (!fileExists(filename))
1033   {
1034     Request("No tape for this level!", REQ_CONFIRM);
1035
1036     return;
1037   }
1038
1039   if (tape.recording && !Request("Stop recording and load tape?",
1040                                  REQ_ASK | REQ_STAY_CLOSED))
1041   {
1042     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1043
1044     return;
1045   }
1046
1047   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1048     return;
1049
1050   if (CheckEngineSnapshotSingle())
1051   {
1052     TapeStartGamePlaying();
1053
1054     LoadEngineSnapshotSingle();
1055
1056     DrawCompleteVideoDisplay();
1057
1058     tape.playing = TRUE;
1059     tape.pausing = TRUE;
1060
1061     TapeStopWarpForward();
1062     TapeAppendRecording();
1063
1064     // restart step/move snapshots after quick loading tape
1065     SaveEngineSnapshotToListInitial();
1066
1067     if (FrameCounter > 0)
1068       return;
1069   }
1070
1071   TapeStop();
1072   TapeErase();
1073
1074   LoadTape(level_nr);
1075
1076   if (!TAPE_IS_EMPTY(tape))
1077   {
1078     TapeStartGamePlaying();
1079     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1080
1081     tape.quick_resume = TRUE;
1082   }
1083   else  // this should not happen (basically checked above)
1084   {
1085     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1086
1087     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1088   }
1089 }
1090
1091 boolean hasSolutionTape(void)
1092 {
1093   boolean tape_file_exists = fileExists(getSolutionTapeFilename(level_nr));
1094   boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
1095                             level.native_sp_level->demo.is_available);
1096
1097   return (tape_file_exists || level_has_tape);
1098 }
1099
1100 boolean InsertSolutionTape(void)
1101 {
1102   if (!hasSolutionTape())
1103   {
1104     Request("No solution tape for this level!", REQ_CONFIRM);
1105
1106     return FALSE;
1107   }
1108
1109   if (!TAPE_IS_STOPPED(tape))
1110     TapeStop();
1111
1112   // if tape recorder already contains a tape, remove it without asking
1113   TapeErase();
1114
1115   LoadSolutionTape(level_nr);
1116
1117   DrawCompleteVideoDisplay();
1118
1119   if (TAPE_IS_EMPTY(tape))
1120   {
1121     Request("Loading solution tape for this level failed!", REQ_CONFIRM);
1122
1123     return FALSE;
1124   }
1125
1126   return TRUE;
1127 }
1128
1129 boolean PlaySolutionTape(void)
1130 {
1131   if (!InsertSolutionTape())
1132     return FALSE;
1133
1134   TapeStartGamePlaying();
1135
1136   return TRUE;
1137 }
1138
1139
1140 // ----------------------------------------------------------------------------
1141 // tape autoplay functions
1142 // ----------------------------------------------------------------------------
1143
1144 void AutoPlayTape(void)
1145 {
1146   static LevelDirTree *autoplay_leveldir = NULL;
1147   static boolean autoplay_initialized = FALSE;
1148   static int autoplay_level_nr = -1;
1149   static int num_levels_played = 0;
1150   static int num_levels_solved = 0;
1151   static int num_tape_missing = 0;
1152   static boolean level_failed[MAX_TAPES_PER_SET];
1153   int i;
1154
1155   if (autoplay_initialized)
1156   {
1157     // just finished auto-playing tape
1158     PrintTapeReplayProgress(TRUE);
1159
1160     num_levels_played++;
1161
1162     if (tape.auto_play_level_solved)
1163       num_levels_solved++;
1164     else if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1165       level_failed[level_nr] = TRUE;
1166   }
1167   else
1168   {
1169     DrawCompleteVideoDisplay();
1170
1171     audio.sound_enabled = FALSE;
1172     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1173
1174     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1175                                                   global.autoplay_leveldir);
1176
1177     if (autoplay_leveldir == NULL)
1178       Error(ERR_EXIT, "no such level identifier: '%s'",
1179             global.autoplay_leveldir);
1180
1181     leveldir_current = autoplay_leveldir;
1182
1183     if (autoplay_leveldir->first_level < 0)
1184       autoplay_leveldir->first_level = 0;
1185     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1186       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1187
1188     autoplay_level_nr = autoplay_leveldir->first_level;
1189
1190     PrintLine("=", 79);
1191     Print("Automatically playing level tapes\n");
1192     PrintLine("-", 79);
1193     Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1194     Print("Level series name:       '%s'\n", autoplay_leveldir->name);
1195     Print("Level series author:     '%s'\n", autoplay_leveldir->author);
1196     Print("Number of levels:        %d\n",   autoplay_leveldir->levels);
1197     PrintLine("=", 79);
1198     Print("\n");
1199
1200     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1201       level_failed[i] = FALSE;
1202
1203     autoplay_initialized = TRUE;
1204   }
1205
1206   while (autoplay_level_nr <= autoplay_leveldir->last_level)
1207   {
1208     level_nr = autoplay_level_nr++;
1209
1210     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1211       continue;
1212
1213     TapeErase();
1214
1215     LoadLevel(level_nr);
1216
1217     if (level.no_level_file || level.no_valid_file)
1218     {
1219       Print("Level %03d: (no level)\n", level_nr);
1220
1221       continue;
1222     }
1223
1224 #if 0
1225     // ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY
1226     Print("Level %03d: (only testing level)\n", level_nr);
1227     continue;
1228 #endif
1229
1230     if (options.mytapes)
1231       LoadTape(level_nr);
1232     else
1233       LoadSolutionTape(level_nr);
1234
1235     if (tape.no_valid_file)
1236     {
1237       num_tape_missing++;
1238
1239       Print("Level %03d: (no tape)\n", level_nr);
1240
1241       continue;
1242     }
1243
1244     InitCounter();
1245
1246     TapeStartGamePlaying();
1247     TapeStartWarpForward(global.autoplay_mode);
1248
1249     return;
1250   }
1251
1252   Print("\n");
1253   PrintLine("=", 79);
1254   Print("Number of levels played: %d\n", num_levels_played);
1255   Print("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1256         (num_levels_played ? num_levels_solved * 100 / num_levels_played : 0));
1257   PrintLine("-", 79);
1258   Print("Summary (for automatic parsing by scripts):\n");
1259   Print("LEVELDIR [%s] '%s', SOLVED %d/%d (%d%%)",
1260         (num_levels_played == num_levels_solved ? " OK " : "WARN"),
1261         autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1262         (num_levels_played ? num_levels_solved * 100 / num_levels_played : 0));
1263
1264   if (num_levels_played != num_levels_solved)
1265   {
1266     Print(", FAILED:");
1267     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1268       if (level_failed[i])
1269         Print(" %03d", i);
1270   }
1271
1272   Print("\n");
1273   PrintLine("=", 79);
1274
1275   CloseAllAndExit(0);
1276 }
1277
1278
1279 // ---------- new tape button stuff -------------------------------------------
1280
1281 static struct
1282 {
1283   int graphic;
1284   struct XY *pos;
1285   int gadget_id;
1286   char *infotext;
1287 } tapebutton_info[NUM_TAPE_BUTTONS] =
1288 {
1289   {
1290     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1291     TAPE_CTRL_ID_EJECT,                 "eject tape"
1292   },
1293   {
1294     // (same position as "eject" button)
1295     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1296     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1297   },
1298   {
1299     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1300     TAPE_CTRL_ID_STOP,                  "stop tape"
1301   },
1302   {
1303     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1304     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1305   },
1306   {
1307     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1308     TAPE_CTRL_ID_RECORD,                "record tape"
1309   },
1310   {
1311     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1312     TAPE_CTRL_ID_PLAY,                  "play tape"
1313   },
1314   {
1315     IMG_GFX_TAPE_BUTTON_INSERT_SOLUTION,&tape.button.insert_solution,
1316     TAPE_CTRL_ID_INSERT_SOLUTION,       "insert solution tape"
1317   },
1318   {
1319     IMG_GFX_TAPE_BUTTON_PLAY_SOLUTION,  &tape.button.play_solution,
1320     TAPE_CTRL_ID_PLAY_SOLUTION,         "play solution tape"
1321   }
1322 };
1323
1324 void CreateTapeButtons(void)
1325 {
1326   int i;
1327
1328   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1329   {
1330     int graphic = tapebutton_info[i].graphic;
1331     struct GraphicInfo *gfx = &graphic_info[graphic];
1332     struct XY *pos = tapebutton_info[i].pos;
1333     struct GadgetInfo *gi;
1334     int gd_x = gfx->src_x;
1335     int gd_y = gfx->src_y;
1336     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1337     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1338     int id = i;
1339
1340     gi = CreateGadget(GDI_CUSTOM_ID, id,
1341                       GDI_IMAGE_ID, graphic,
1342                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1343                       GDI_X, VX + pos->x,
1344                       GDI_Y, VY + pos->y,
1345                       GDI_WIDTH, gfx->width,
1346                       GDI_HEIGHT, gfx->height,
1347                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1348                       GDI_STATE, GD_BUTTON_UNPRESSED,
1349                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1350                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1351                       GDI_DIRECT_DRAW, FALSE,
1352                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1353                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1354                       GDI_END);
1355
1356     if (gi == NULL)
1357       Error(ERR_EXIT, "cannot create gadget");
1358
1359     tape_gadget[id] = gi;
1360   }
1361 }
1362
1363 void FreeTapeButtons(void)
1364 {
1365   int i;
1366
1367   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1368     FreeGadget(tape_gadget[i]);
1369 }
1370
1371 void MapTapeEjectButton(void)
1372 {
1373   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1374   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1375 }
1376
1377 void MapTapeWarpButton(void)
1378 {
1379   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1380   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1381 }
1382
1383 void MapTapeButtons(void)
1384 {
1385   int i;
1386
1387   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1388     if (i != TAPE_CTRL_ID_EXTRA)
1389       MapGadget(tape_gadget[i]);
1390
1391   if (tape.recording || tape.playing)
1392     MapTapeWarpButton();
1393
1394   if (tape.show_game_buttons)
1395     MapGameButtonsOnTape();
1396 }
1397
1398 void UnmapTapeButtons(void)
1399 {
1400   int i;
1401
1402   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1403     UnmapGadget(tape_gadget[i]);
1404
1405   if (tape.show_game_buttons)
1406     UnmapGameButtonsOnTape();
1407 }
1408
1409 void RedrawTapeButtons(void)
1410 {
1411   int i;
1412
1413   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1414     RedrawGadget(tape_gadget[i]);
1415
1416   if (tape.show_game_buttons)
1417     RedrawGameButtonsOnTape();
1418 }
1419
1420 void RedrawOrRemapTapeButtons(void)
1421 {
1422   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
1423   {
1424     // tape buttons already mapped
1425     RedrawTapeButtons();
1426   }
1427   else
1428   {
1429     UnmapTapeButtons();
1430     MapTapeButtons();
1431   }
1432 }
1433
1434 static void HandleTapeButtonsExt(int id)
1435 {
1436   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1437     return;
1438
1439   switch (id)
1440   {
1441     case TAPE_CTRL_ID_EJECT:
1442       TapeStop();
1443
1444       if (TAPE_IS_EMPTY(tape))
1445       {
1446         LoadTape(level_nr);
1447
1448         if (TAPE_IS_EMPTY(tape))
1449           Request("No tape for this level!", REQ_CONFIRM);
1450       }
1451       else
1452       {
1453         if (tape.changed)
1454           SaveTapeChecked(level_nr);
1455
1456         TapeErase();
1457       }
1458
1459       DrawCompleteVideoDisplay();
1460       break;
1461
1462     case TAPE_CTRL_ID_EXTRA:
1463       if (tape.playing)
1464       {
1465         tape.pause_before_end = !tape.pause_before_end;
1466
1467         DrawVideoDisplayCurrentState();
1468       }
1469       else if (tape.recording)
1470       {
1471         TapeSingleStep();
1472       }
1473
1474       break;
1475
1476     case TAPE_CTRL_ID_STOP:
1477       TapeStop();
1478
1479       break;
1480
1481     case TAPE_CTRL_ID_PAUSE:
1482       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1483
1484       break;
1485
1486     case TAPE_CTRL_ID_RECORD:
1487       if (TAPE_IS_STOPPED(tape))
1488       {
1489         TapeStartGameRecording();
1490       }
1491       else if (tape.pausing)
1492       {
1493         if (tape.playing)                       // PLAY -> PAUSE -> RECORD
1494           TapeAppendRecording();
1495         else
1496           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1497       }
1498
1499       break;
1500
1501     case TAPE_CTRL_ID_PLAY:
1502       if (tape.recording && tape.pausing)       // PAUSE -> RECORD
1503       {
1504         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
1505
1506         TapeTogglePause(TAPE_TOGGLE_MANUAL);
1507       }
1508
1509       if (TAPE_IS_EMPTY(tape))
1510         break;
1511
1512       if (TAPE_IS_STOPPED(tape))
1513       {
1514         TapeStartGamePlaying();
1515       }
1516       else if (tape.playing)
1517       {
1518         if (tape.pausing)                       // PAUSE -> PLAY
1519         {
1520           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
1521         }
1522         else if (!tape.fast_forward)            // PLAY -> FFWD
1523         {
1524           tape.fast_forward = TRUE;
1525         }
1526         else if (!tape.warp_forward)            // FFWD -> WARP
1527         {
1528           tape.warp_forward = TRUE;
1529         }
1530         else if (!tape.deactivate_display)      // WARP -> WARP BLIND
1531         {
1532           tape.deactivate_display = TRUE;
1533
1534           TapeDeactivateDisplayOn();
1535         }
1536         else                                    // WARP BLIND -> PLAY
1537         {
1538           tape.fast_forward = FALSE;
1539           tape.warp_forward = FALSE;
1540           tape.deactivate_display = FALSE;
1541
1542           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1543         }
1544
1545         DrawVideoDisplayCurrentState();
1546       }
1547
1548       break;
1549
1550     case TAPE_CTRL_ID_INSERT_SOLUTION:
1551       InsertSolutionTape();
1552
1553       break;
1554
1555     case TAPE_CTRL_ID_PLAY_SOLUTION:
1556       PlaySolutionTape();
1557
1558       break;
1559
1560     default:
1561       break;
1562   }
1563 }
1564
1565 static void HandleTapeButtons(struct GadgetInfo *gi)
1566 {
1567   HandleTapeButtonsExt(gi->custom_id);
1568 }
1569
1570 void HandleTapeButtonKeys(Key key)
1571 {
1572   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
1573   boolean extra_button_is_active = !eject_button_is_active;
1574
1575   if (key == setup.shortcut.tape_eject && eject_button_is_active)
1576     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
1577   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
1578     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
1579   else if (key == setup.shortcut.tape_stop)
1580     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
1581   else if (key == setup.shortcut.tape_pause)
1582     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
1583   else if (key == setup.shortcut.tape_record)
1584     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
1585   else if (key == setup.shortcut.tape_play)
1586     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
1587 }