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