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 #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   tape.use_mouse = (level.game_engine_type == GAME_ENGINE_TYPE_MM);
 551 }
 552
 553 static void TapeRewind(void)
 554 {
 555   tape.counter = 0;
 556   tape.delay_played = 0;
 557   tape.pause_before_end = FALSE;
 558   tape.recording = FALSE;
 559   tape.playing = FALSE;
 560   tape.fast_forward = FALSE;
 561   tape.warp_forward = FALSE;
 562   tape.deactivate_display = FALSE;
 563   tape.auto_play = (global.autoplay_leveldir != NULL);
 564   tape.auto_play_level_solved = FALSE;
 565   tape.quick_resume = FALSE;
 566   tape.single_step = FALSE;
 567
 568   tape.centered_player_nr_next = -1;
 569   tape.set_centered_player = FALSE;
 570
 571   InitRND(tape.random_seed);
 572 }
 573
 574 static void TapeSetRandomSeed(int random_seed)
 575 {
 576   tape.random_seed = InitRND(random_seed);
 577 }
 578
 579 void TapeStartRecording(int random_seed)
 580 {
 581   if (!TAPE_IS_STOPPED(tape))
 582     TapeStop();
 583
 584   TapeErase();
 585   TapeRewind();
 586   TapeSetRandomSeed(random_seed);
 587
 588   tape.recording = TRUE;
 589
 590   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
 591   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 592   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 593   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 594
 595   MapTapeWarpButton();
 596
 597   SetDrawDeactivationMask(REDRAW_NONE);
 598   audio.sound_deactivated = FALSE;
 599
 600   // required here to update video display if tape door is closed
 601   if (GetDoorState() & DOOR_CLOSE_2)
 602     OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
 603 }
 604
 605 static void TapeStartGameRecording(void)
 606 {
 607   StartGameActions(network.enabled, TRUE, level.random_seed);
 608 }
 609
 610 static void TapeAppendRecording(void)
 611 {
 612   if (!tape.playing || !tape.pausing)
 613     return;
 614
 615   // stop playing
 616   tape.playing = FALSE;
 617   tape.fast_forward = FALSE;
 618   tape.warp_forward = FALSE;
 619   tape.pause_before_end = FALSE;
 620   tape.deactivate_display = FALSE;
 621
 622   // start recording
 623   tape.recording = TRUE;
 624   tape.changed = TRUE;
 625
 626   // set current delay (for last played move)
 627   tape.pos[tape.counter].delay = tape.delay_played;
 628
 629   // set current date
 630   TapeSetDateFromNow();
 631
 632   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 633   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
 634
 635   UpdateAndDisplayGameControlValues();
 636 }
 637
 638 void TapeHaltRecording(void)
 639 {
 640   tape.counter++;
 641
 642   // initialize delay for next tape entry (to be able to continue recording)
 643   if (tape.counter < MAX_TAPE_LEN)
 644     tape.pos[tape.counter].delay = 0;
 645
 646   tape.length = tape.counter;
 647   tape.length_frames = GetTapeLengthFrames();
 648   tape.length_seconds = GetTapeLengthSeconds();
 649 }
 650
 651 void TapeStopRecording(void)
 652 {
 653   if (tape.recording)
 654     TapeHaltRecording();
 655
 656   tape.recording = FALSE;
 657   tape.pausing = FALSE;
 658
 659   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
 660   MapTapeEjectButton();
 661 }
 662
 663 boolean TapeAddAction(byte action[MAX_PLAYERS])
 664 {
 665   int i;
 666
 667   if (tape.pos[tape.counter].delay > 0)         // already stored action
 668   {
 669     boolean changed_events = FALSE;
 670
 671     for (i = 0; i < MAX_PLAYERS; i++)
 672       if (tape.pos[tape.counter].action[i] != action[i])
 673         changed_events = TRUE;
 674
 675     if (changed_events || tape.pos[tape.counter].delay >= 255)
 676     {
 677       if (tape.counter >= MAX_TAPE_LEN - 1)
 678         return FALSE;
 679
 680       tape.counter++;
 681       tape.pos[tape.counter].delay = 0;
 682     }
 683     else
 684       tape.pos[tape.counter].delay++;
 685   }
 686
 687   if (tape.pos[tape.counter].delay == 0)        // store new action
 688   {
 689     for (i = 0; i < MAX_PLAYERS; i++)
 690       tape.pos[tape.counter].action[i] = action[i];
 691
 692     tape.pos[tape.counter].delay++;
 693   }
 694
 695   return TRUE;
 696 }
 697
 698 void TapeRecordAction(byte action_raw[MAX_PLAYERS])
 699 {
 700   byte action[MAX_PLAYERS];
 701   int i;
 702
 703   if (!tape.recording)          // (record action even when tape is paused)
 704     return;
 705
 706   for (i = 0; i < MAX_PLAYERS; i++)
 707     action[i] = action_raw[i];
 708
 709   if (!tape.use_mouse && tape.set_centered_player)
 710   {
 711     for (i = 0; i < MAX_PLAYERS; i++)
 712       if (tape.centered_player_nr_next == i ||
 713           tape.centered_player_nr_next == -1)
 714         action[i] |= KEY_SET_FOCUS;
 715
 716     tape.set_centered_player = FALSE;
 717   }
 718
 719   if (!TapeAddAction(action))
 720     TapeStopRecording();
 721 }
 722
 723 void TapeTogglePause(boolean toggle_mode)
 724 {
 725   if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
 726   {
 727     // continue playing in normal mode
 728     tape.fast_forward = FALSE;
 729     tape.warp_forward = FALSE;
 730     tape.deactivate_display = FALSE;
 731
 732     tape.pause_before_end = FALSE;
 733   }
 734
 735   tape.pausing = !tape.pausing;
 736
 737   if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
 738     tape.single_step = FALSE;
 739
 740   DrawVideoDisplayCurrentState();
 741
 742   if (tape.deactivate_display)
 743   {
 744     if (tape.pausing)
 745       TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 746     else
 747       TapeDeactivateDisplayOn();
 748   }
 749
 750   if (tape.quick_resume)
 751   {
 752     tape.quick_resume = FALSE;
 753
 754     TapeStopWarpForward();
 755     TapeAppendRecording();
 756
 757     if (!CheckEngineSnapshotSingle())
 758       SaveEngineSnapshotSingle();
 759
 760     // restart step/move snapshots after quick loading tape
 761     SaveEngineSnapshotToListInitial();
 762
 763     // do not map undo/redo buttons after quick loading tape
 764     return;
 765   }
 766
 767   if (setup.show_snapshot_buttons &&
 768       game_status == GAME_MODE_PLAYING &&
 769       CheckEngineSnapshotList())
 770   {
 771     if (tape.pausing)
 772       MapUndoRedoButtons();
 773     else if (!tape.single_step)
 774       UnmapUndoRedoButtons();
 775   }
 776 }
 777
 778 void TapeStartPlaying(void)
 779 {
 780   if (TAPE_IS_EMPTY(tape))
 781     return;
 782
 783   if (!TAPE_IS_STOPPED(tape))
 784     TapeStop();
 785
 786   TapeRewind();
 787
 788   tape.playing = TRUE;
 789
 790   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 791   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 792   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 793   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
 794
 795   MapTapeWarpButton();
 796
 797   SetDrawDeactivationMask(REDRAW_NONE);
 798   audio.sound_deactivated = FALSE;
 799 }
 800
 801 static void TapeStartGamePlaying(void)
 802 {
 803   TapeStartPlaying();
 804
 805   InitGame();
 806 }
 807
 808 void TapeStopPlaying(void)
 809 {
 810   tape.playing = FALSE;
 811   tape.pausing = FALSE;
 812
 813   if (tape.warp_forward)
 814     TapeStopWarpForward();
 815
 816   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 817   MapTapeEjectButton();
 818 }
 819
 820 byte *TapePlayAction(void)
 821 {
 822   int update_delay = FRAMES_PER_SECOND / 2;
 823   boolean update_video_display = (FrameCounter % update_delay == 0);
 824   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
 825   static byte action[MAX_PLAYERS];
 826   int i;
 827
 828   if (!tape.playing || tape.pausing)
 829     return NULL;
 830
 831   if (tape.pause_before_end)  // stop some seconds before end of tape
 832   {
 833     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
 834     {
 835       TapeStopWarpForward();
 836       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 837
 838       return NULL;
 839     }
 840   }
 841
 842   if (tape.counter >= tape.length)      // end of tape reached
 843   {
 844     if (tape.warp_forward && !tape.auto_play)
 845     {
 846       TapeStopWarpForward();
 847       TapeTogglePause(TAPE_TOGGLE_MANUAL);
 848     }
 849     else
 850     {
 851       TapeStop();
 852     }
 853
 854     return NULL;
 855   }
 856
 857   if (update_video_display && !tape.deactivate_display)
 858   {
 859     int state = 0;
 860
 861     if (tape.warp_forward)
 862       state |= VIDEO_STATE_WARP(update_draw_label_on);
 863     else if (tape.fast_forward)
 864       state |= VIDEO_STATE_FFWD(update_draw_label_on);
 865
 866     if (tape.pause_before_end)
 867       state |= VIDEO_STATE_PBEND(update_draw_label_on);
 868
 869     // draw labels and symbols separately to prevent labels overlapping symbols
 870     DrawVideoDisplayLabel(state);
 871     DrawVideoDisplaySymbol(state);
 872   }
 873
 874   for (i = 0; i < MAX_PLAYERS; i++)
 875     action[i] = tape.pos[tape.counter].action[i];
 876
 877 #if DEBUG_TAPE_WHEN_PLAYING
 878   printf("%05d", FrameCounter);
 879   for (i = 0; i < MAX_PLAYERS; i++)
 880     printf("   %08x", action[i]);
 881   printf("\n");
 882 #endif
 883
 884   tape.set_centered_player = FALSE;
 885   tape.centered_player_nr_next = -999;
 886
 887   if (!tape.use_mouse)
 888   {
 889     for (i = 0; i < MAX_PLAYERS; i++)
 890     {
 891       if (action[i] & KEY_SET_FOCUS)
 892       {
 893         tape.set_centered_player = TRUE;
 894         tape.centered_player_nr_next =
 895           (tape.centered_player_nr_next == -999 ? i : -1);
 896       }
 897
 898       action[i] &= ~KEY_SET_FOCUS;
 899     }
 900   }
 901
 902   tape.delay_played++;
 903   if (tape.delay_played >= tape.pos[tape.counter].delay)
 904   {
 905     tape.counter++;
 906     tape.delay_played = 0;
 907   }
 908
 909   if (tape.auto_play)
 910     PrintTapeReplayProgress(FALSE);
 911
 912   return action;
 913 }
 914
 915 void TapeStop(void)
 916 {
 917   if (tape.pausing)
 918     TapeTogglePause(TAPE_TOGGLE_MANUAL);
 919
 920   TapeStopRecording();
 921   TapeStopPlaying();
 922
 923   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
 924
 925   if (tape.date && tape.length)
 926   {
 927     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 928     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 929     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
 930   }
 931 }
 932
 933 unsigned int GetTapeLengthFrames(void)
 934 {
 935   unsigned int tape_length_frames = 0;
 936   int i;
 937
 938   if (TAPE_IS_EMPTY(tape))
 939     return(0);
 940
 941   for (i = 0; i < tape.length; i++)
 942     tape_length_frames += tape.pos[i].delay;
 943
 944   return tape_length_frames;
 945 }
 946
 947 unsigned int GetTapeLengthSeconds(void)
 948 {
 949   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 950 }
 951
 952 static float GetTapeLengthSecondsFloat(void)
 953 {
 954   return ((float)GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
 955 }
 956
 957 static void TapeStartWarpForward(int mode)
 958 {
 959   tape.fast_forward = (mode & AUTOPLAY_FFWD);
 960   tape.warp_forward = (mode & AUTOPLAY_WARP);
 961   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
 962
 963   tape.pausing = FALSE;
 964
 965   if (tape.deactivate_display)
 966     TapeDeactivateDisplayOn();
 967
 968   DrawVideoDisplayCurrentState();
 969 }
 970
 971 static void TapeStopWarpForward(void)
 972 {
 973   tape.fast_forward = FALSE;
 974   tape.warp_forward = FALSE;
 975   tape.deactivate_display = FALSE;
 976
 977   tape.pause_before_end = FALSE;
 978
 979   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
 980
 981   DrawVideoDisplayCurrentState();
 982 }
 983
 984 static void TapeSingleStep(void)
 985 {
 986   if (network.enabled)
 987     return;
 988
 989   if (!tape.pausing)
 990     TapeTogglePause(TAPE_TOGGLE_MANUAL);
 991
 992   tape.single_step = !tape.single_step;
 993
 994   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
 995 }
 996
 997 void TapeQuickSave(void)
 998 {
 999   if (game_status == GAME_MODE_MAIN)
1000   {
1001     Request("No game that can be saved!", REQ_CONFIRM);
1002
1003     return;
1004   }
1005
1006   if (game_status != GAME_MODE_PLAYING)
1007     return;
1008
1009   if (tape.recording)
1010     TapeHaltRecording();        // prepare tape for saving on-the-fly
1011
1012   if (TAPE_IS_EMPTY(tape))
1013   {
1014     Request("No tape that can be saved!", REQ_CONFIRM);
1015
1016     return;
1017   }
1018
1019   if (SaveTapeChecked(tape.level_nr))
1020     SaveEngineSnapshotSingle();
1021 }
1022
1023 void TapeQuickLoad(void)
1024 {
1025   char *filename = getTapeFilename(level_nr);
1026
1027   if (!fileExists(filename))
1028   {
1029     Request("No tape for this level!", REQ_CONFIRM);
1030
1031     return;
1032   }
1033
1034   if (tape.recording && !Request("Stop recording and load tape?",
1035                                  REQ_ASK | REQ_STAY_CLOSED))
1036   {
1037     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1038
1039     return;
1040   }
1041
1042   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1043     return;
1044
1045   if (CheckEngineSnapshotSingle())
1046   {
1047     TapeStartGamePlaying();
1048
1049     LoadEngineSnapshotSingle();
1050
1051     DrawCompleteVideoDisplay();
1052
1053     tape.playing = TRUE;
1054     tape.pausing = TRUE;
1055
1056     TapeStopWarpForward();
1057     TapeAppendRecording();
1058
1059     // restart step/move snapshots after quick loading tape
1060     SaveEngineSnapshotToListInitial();
1061
1062     if (FrameCounter > 0)
1063       return;
1064   }
1065
1066   TapeStop();
1067   TapeErase();
1068
1069   LoadTape(level_nr);
1070
1071   if (!TAPE_IS_EMPTY(tape))
1072   {
1073     TapeStartGamePlaying();
1074     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1075
1076     tape.quick_resume = TRUE;
1077   }
1078   else  // this should not happen (basically checked above)
1079   {
1080     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1081
1082     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1083   }
1084 }
1085
1086 boolean hasSolutionTape(void)
1087 {
1088   boolean tape_file_exists = fileExists(getSolutionTapeFilename(level_nr));
1089   boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
1090                             level.native_sp_level->demo.is_available);
1091
1092   return (tape_file_exists || level_has_tape);
1093 }
1094
1095 boolean InsertSolutionTape(void)
1096 {
1097   if (!hasSolutionTape())
1098   {
1099     Request("No solution tape for this level!", REQ_CONFIRM);
1100
1101     return FALSE;
1102   }
1103
1104   if (!TAPE_IS_STOPPED(tape))
1105     TapeStop();
1106
1107   // if tape recorder already contains a tape, remove it without asking
1108   TapeErase();
1109
1110   LoadSolutionTape(level_nr);
1111
1112   DrawCompleteVideoDisplay();
1113
1114   if (TAPE_IS_EMPTY(tape))
1115   {
1116     Request("Loading solution tape for this level failed!", REQ_CONFIRM);
1117
1118     return FALSE;
1119   }
1120
1121   return TRUE;
1122 }
1123
1124 boolean PlaySolutionTape(void)
1125 {
1126   if (!InsertSolutionTape())
1127     return FALSE;
1128
1129   TapeStartGamePlaying();
1130
1131   return TRUE;
1132 }
1133
1134
1135 // ----------------------------------------------------------------------------
1136 // tape autoplay functions
1137 // ----------------------------------------------------------------------------
1138
1139 void AutoPlayTape(void)
1140 {
1141   static LevelDirTree *autoplay_leveldir = NULL;
1142   static boolean autoplay_initialized = FALSE;
1143   static int autoplay_level_nr = -1;
1144   static int num_levels_played = 0;
1145   static int num_levels_solved = 0;
1146   static int num_tape_missing = 0;
1147   static boolean level_failed[MAX_TAPES_PER_SET];
1148   int i;
1149
1150   if (autoplay_initialized)
1151   {
1152     // just finished auto-playing tape
1153     PrintTapeReplayProgress(TRUE);
1154
1155     num_levels_played++;
1156
1157     if (tape.auto_play_level_solved)
1158       num_levels_solved++;
1159     else if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1160       level_failed[level_nr] = TRUE;
1161   }
1162   else
1163   {
1164     DrawCompleteVideoDisplay();
1165
1166     audio.sound_enabled = FALSE;
1167     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1168
1169     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1170                                                   global.autoplay_leveldir);
1171
1172     if (autoplay_leveldir == NULL)
1173       Error(ERR_EXIT, "no such level identifier: '%s'",
1174             global.autoplay_leveldir);
1175
1176     leveldir_current = autoplay_leveldir;
1177
1178     if (autoplay_leveldir->first_level < 0)
1179       autoplay_leveldir->first_level = 0;
1180     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1181       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1182
1183     autoplay_level_nr = autoplay_leveldir->first_level;
1184
1185     PrintLine("=", 79);
1186     Print("Automatically playing level tapes\n");
1187     PrintLine("-", 79);
1188     Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1189     Print("Level series name:       '%s'\n", autoplay_leveldir->name);
1190     Print("Level series author:     '%s'\n", autoplay_leveldir->author);
1191     Print("Number of levels:        %d\n",   autoplay_leveldir->levels);
1192     PrintLine("=", 79);
1193     Print("\n");
1194
1195     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1196       level_failed[i] = FALSE;
1197
1198     autoplay_initialized = TRUE;
1199   }
1200
1201   while (autoplay_level_nr <= autoplay_leveldir->last_level)
1202   {
1203     level_nr = autoplay_level_nr++;
1204
1205     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1206       continue;
1207
1208     TapeErase();
1209
1210     LoadLevel(level_nr);
1211
1212     if (level.no_level_file || level.no_valid_file)
1213     {
1214       Print("Level %03d: (no level)\n", level_nr);
1215
1216       continue;
1217     }
1218
1219 #if 0
1220     // ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY
1221     Print("Level %03d: (only testing level)\n", level_nr);
1222     continue;
1223 #endif
1224
1225     if (options.mytapes)
1226       LoadTape(level_nr);
1227     else
1228       LoadSolutionTape(level_nr);
1229
1230     if (tape.no_valid_file)
1231     {
1232       num_tape_missing++;
1233
1234       Print("Level %03d: (no tape)\n", level_nr);
1235
1236       continue;
1237     }
1238
1239     InitCounter();
1240
1241     TapeStartGamePlaying();
1242     TapeStartWarpForward(global.autoplay_mode);
1243
1244     return;
1245   }
1246
1247   Print("\n");
1248   PrintLine("=", 79);
1249   Print("Number of levels played: %d\n", num_levels_played);
1250   Print("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1251          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1252   PrintLine("-", 79);
1253   Print("Summary (for automatic parsing by scripts):\n");
1254   Print("LEVELDIR '%s', SOLVED %d/%d (%d%%)",
1255          autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1256          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1257
1258   if (num_levels_played != num_levels_solved)
1259   {
1260     Print(", FAILED:");
1261     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1262       if (level_failed[i])
1263         Print(" %03d", i);
1264   }
1265
1266   Print("\n");
1267   PrintLine("=", 79);
1268
1269   CloseAllAndExit(0);
1270 }
1271
1272
1273 // ---------- new tape button stuff -------------------------------------------
1274
1275 static struct
1276 {
1277   int graphic;
1278   struct XY *pos;
1279   int gadget_id;
1280   char *infotext;
1281 } tapebutton_info[NUM_TAPE_BUTTONS] =
1282 {
1283   {
1284     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1285     TAPE_CTRL_ID_EJECT,                 "eject tape"
1286   },
1287   {
1288     // (same position as "eject" button)
1289     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1290     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1291   },
1292   {
1293     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1294     TAPE_CTRL_ID_STOP,                  "stop tape"
1295   },
1296   {
1297     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1298     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1299   },
1300   {
1301     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1302     TAPE_CTRL_ID_RECORD,                "record tape"
1303   },
1304   {
1305     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1306     TAPE_CTRL_ID_PLAY,                  "play tape"
1307   },
1308   {
1309     IMG_GFX_TAPE_BUTTON_INSERT_SOLUTION,&tape.button.insert_solution,
1310     TAPE_CTRL_ID_INSERT_SOLUTION,       "insert solution tape"
1311   },
1312   {
1313     IMG_GFX_TAPE_BUTTON_PLAY_SOLUTION,  &tape.button.play_solution,
1314     TAPE_CTRL_ID_PLAY_SOLUTION,         "play solution tape"
1315   }
1316 };
1317
1318 void CreateTapeButtons(void)
1319 {
1320   int i;
1321
1322   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1323   {
1324     int graphic = tapebutton_info[i].graphic;
1325     struct GraphicInfo *gfx = &graphic_info[graphic];
1326     struct XY *pos = tapebutton_info[i].pos;
1327     struct GadgetInfo *gi;
1328     int gd_x = gfx->src_x;
1329     int gd_y = gfx->src_y;
1330     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1331     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1332     int id = i;
1333
1334     gi = CreateGadget(GDI_CUSTOM_ID, id,
1335                       GDI_IMAGE_ID, graphic,
1336                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1337                       GDI_X, VX + pos->x,
1338                       GDI_Y, VY + pos->y,
1339                       GDI_WIDTH, gfx->width,
1340                       GDI_HEIGHT, gfx->height,
1341                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1342                       GDI_STATE, GD_BUTTON_UNPRESSED,
1343                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1344                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1345                       GDI_DIRECT_DRAW, FALSE,
1346                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1347                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1348                       GDI_END);
1349
1350     if (gi == NULL)
1351       Error(ERR_EXIT, "cannot create gadget");
1352
1353     tape_gadget[id] = gi;
1354   }
1355 }
1356
1357 void FreeTapeButtons(void)
1358 {
1359   int i;
1360
1361   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1362     FreeGadget(tape_gadget[i]);
1363 }
1364
1365 void MapTapeEjectButton(void)
1366 {
1367   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1368   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1369 }
1370
1371 void MapTapeWarpButton(void)
1372 {
1373   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1374   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1375 }
1376
1377 void MapTapeButtons(void)
1378 {
1379   int i;
1380
1381   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1382     if (i != TAPE_CTRL_ID_EXTRA)
1383       MapGadget(tape_gadget[i]);
1384
1385   if (tape.recording || tape.playing)
1386     MapTapeWarpButton();
1387
1388   if (tape.show_game_buttons)
1389     MapGameButtonsOnTape();
1390 }
1391
1392 void UnmapTapeButtons(void)
1393 {
1394   int i;
1395
1396   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1397     UnmapGadget(tape_gadget[i]);
1398
1399   if (tape.show_game_buttons)
1400     UnmapGameButtonsOnTape();
1401 }
1402
1403 void RedrawTapeButtons(void)
1404 {
1405   int i;
1406
1407   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1408     RedrawGadget(tape_gadget[i]);
1409
1410   if (tape.show_game_buttons)
1411     RedrawGameButtonsOnTape();
1412
1413   // RedrawGadget() may have set REDRAW_ALL if buttons are defined off-area
1414   redraw_mask &= ~REDRAW_ALL;
1415 }
1416
1417 void RedrawOrRemapTapeButtons(void)
1418 {
1419   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
1420   {
1421     // tape buttons already mapped
1422     RedrawTapeButtons();
1423   }
1424   else
1425   {
1426     UnmapTapeButtons();
1427     MapTapeButtons();
1428   }
1429 }
1430
1431 static void HandleTapeButtonsExt(int id)
1432 {
1433   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1434     return;
1435
1436   switch (id)
1437   {
1438     case TAPE_CTRL_ID_EJECT:
1439       TapeStop();
1440
1441       if (TAPE_IS_EMPTY(tape))
1442       {
1443         LoadTape(level_nr);
1444
1445         if (TAPE_IS_EMPTY(tape))
1446           Request("No tape for this level!", REQ_CONFIRM);
1447       }
1448       else
1449       {
1450         if (tape.changed)
1451           SaveTapeChecked(level_nr);
1452
1453         TapeErase();
1454       }
1455
1456       DrawCompleteVideoDisplay();
1457       break;
1458
1459     case TAPE_CTRL_ID_EXTRA:
1460       if (tape.playing)
1461       {
1462         tape.pause_before_end = !tape.pause_before_end;
1463
1464         DrawVideoDisplayCurrentState();
1465       }
1466       else if (tape.recording)
1467       {
1468         TapeSingleStep();
1469       }
1470
1471       break;
1472
1473     case TAPE_CTRL_ID_STOP:
1474       TapeStop();
1475
1476       break;
1477
1478     case TAPE_CTRL_ID_PAUSE:
1479       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1480
1481       break;
1482
1483     case TAPE_CTRL_ID_RECORD:
1484       if (TAPE_IS_STOPPED(tape))
1485       {
1486         TapeStartGameRecording();
1487       }
1488       else if (tape.pausing)
1489       {
1490         if (tape.playing)                       // PLAY -> PAUSE -> RECORD
1491           TapeAppendRecording();
1492         else
1493           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1494       }
1495
1496       break;
1497
1498     case TAPE_CTRL_ID_PLAY:
1499       if (tape.recording && tape.pausing)       // PAUSE -> RECORD
1500       {
1501         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
1502
1503         TapeTogglePause(TAPE_TOGGLE_MANUAL);
1504       }
1505
1506       if (TAPE_IS_EMPTY(tape))
1507         break;
1508
1509       if (TAPE_IS_STOPPED(tape))
1510       {
1511         TapeStartGamePlaying();
1512       }
1513       else if (tape.playing)
1514       {
1515         if (tape.pausing)                       // PAUSE -> PLAY
1516         {
1517           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
1518         }
1519         else if (!tape.fast_forward)            // PLAY -> FFWD
1520         {
1521           tape.fast_forward = TRUE;
1522         }
1523         else if (!tape.warp_forward)            // FFWD -> WARP
1524         {
1525           tape.warp_forward = TRUE;
1526         }
1527         else if (!tape.deactivate_display)      // WARP -> WARP BLIND
1528         {
1529           tape.deactivate_display = TRUE;
1530
1531           TapeDeactivateDisplayOn();
1532         }
1533         else                                    // WARP BLIND -> PLAY
1534         {
1535           tape.fast_forward = FALSE;
1536           tape.warp_forward = FALSE;
1537           tape.deactivate_display = FALSE;
1538
1539           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1540         }
1541
1542         DrawVideoDisplayCurrentState();
1543       }
1544
1545       break;
1546
1547     case TAPE_CTRL_ID_INSERT_SOLUTION:
1548       InsertSolutionTape();
1549
1550       break;
1551
1552     case TAPE_CTRL_ID_PLAY_SOLUTION:
1553       PlaySolutionTape();
1554
1555       break;
1556
1557     default:
1558       break;
1559   }
1560 }
1561
1562 static void HandleTapeButtons(struct GadgetInfo *gi)
1563 {
1564   HandleTapeButtonsExt(gi->custom_id);
1565 }
1566
1567 void HandleTapeButtonKeys(Key key)
1568 {
1569   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
1570   boolean extra_button_is_active = !eject_button_is_active;
1571
1572   if (key == setup.shortcut.tape_eject && eject_button_is_active)
1573     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
1574   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
1575     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
1576   else if (key == setup.shortcut.tape_stop)
1577     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
1578   else if (key == setup.shortcut.tape_pause)
1579     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
1580   else if (key == setup.shortcut.tape_record)
1581     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
1582   else if (key == setup.shortcut.tape_play)
1583     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
1584 }