fixed bug with (float) division by zero when auto-testing very short tapes
[rocksndiamonds.git] / 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
549 static void TapeRewind()
550 {
551   tape.counter = 0;
552   tape.delay_played = 0;
553   tape.pause_before_end = FALSE;
554   tape.recording = FALSE;
555   tape.playing = FALSE;
556   tape.fast_forward = FALSE;
557   tape.warp_forward = FALSE;
558   tape.deactivate_display = FALSE;
559   tape.auto_play = (global.autoplay_leveldir != NULL);
560   tape.auto_play_level_solved = FALSE;
561   tape.quick_resume = FALSE;
562   tape.single_step = FALSE;
563
564   tape.centered_player_nr_next = -1;
565   tape.set_centered_player = FALSE;
566
567   InitRND(tape.random_seed);
568 }
569
570 static void TapeSetRandomSeed(int random_seed)
571 {
572   tape.random_seed = InitRND(random_seed);
573 }
574
575 void TapeStartRecording(int random_seed)
576 {
577   if (!TAPE_IS_STOPPED(tape))
578     TapeStop();
579
580   TapeErase();
581   TapeRewind();
582   TapeSetRandomSeed(random_seed);
583
584   tape.recording = TRUE;
585
586   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
587   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
588   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
589   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
590
591   MapTapeWarpButton();
592
593   SetDrawDeactivationMask(REDRAW_NONE);
594   audio.sound_deactivated = FALSE;
595 }
596
597 static void TapeStartGameRecording()
598 {
599   TapeStartRecording(level.random_seed);
600
601 #if defined(NETWORK_AVALIABLE)
602   if (options.network)
603   {
604     SendToServer_StartPlaying();
605
606     return;
607   }
608 #endif
609
610   InitGame();
611 }
612
613 static void TapeAppendRecording()
614 {
615   if (!tape.playing || !tape.pausing)
616     return;
617
618   // stop playing
619   tape.playing = FALSE;
620   tape.fast_forward = FALSE;
621   tape.warp_forward = FALSE;
622   tape.pause_before_end = FALSE;
623   tape.deactivate_display = FALSE;
624
625   // start recording
626   tape.recording = TRUE;
627   tape.changed = TRUE;
628
629   // set current delay (for last played move)
630   tape.pos[tape.counter].delay = tape.delay_played;
631
632   // set current date
633   TapeSetDateFromNow();
634
635   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
636   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
637
638   UpdateAndDisplayGameControlValues();
639 }
640
641 void TapeHaltRecording()
642 {
643   tape.counter++;
644
645   // initialize delay for next tape entry (to be able to continue recording)
646   if (tape.counter < MAX_TAPE_LEN)
647     tape.pos[tape.counter].delay = 0;
648
649   tape.length = tape.counter;
650   tape.length_frames = GetTapeLengthFrames();
651   tape.length_seconds = GetTapeLengthSeconds();
652 }
653
654 void TapeStopRecording()
655 {
656   if (tape.recording)
657     TapeHaltRecording();
658
659   tape.recording = FALSE;
660   tape.pausing = FALSE;
661
662   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
663   MapTapeEjectButton();
664 }
665
666 boolean TapeAddAction(byte action[MAX_PLAYERS])
667 {
668   int i;
669
670   if (tape.pos[tape.counter].delay > 0)         /* already stored action */
671   {
672     boolean changed_events = FALSE;
673
674     for (i = 0; i < MAX_PLAYERS; i++)
675       if (tape.pos[tape.counter].action[i] != action[i])
676         changed_events = TRUE;
677
678     if (changed_events || tape.pos[tape.counter].delay >= 255)
679     {
680       if (tape.counter >= MAX_TAPE_LEN - 1)
681         return FALSE;
682
683       tape.counter++;
684       tape.pos[tape.counter].delay = 0;
685     }
686     else
687       tape.pos[tape.counter].delay++;
688   }
689
690   if (tape.pos[tape.counter].delay == 0)        /* store new action */
691   {
692     for (i = 0; i < MAX_PLAYERS; i++)
693       tape.pos[tape.counter].action[i] = action[i];
694
695     tape.pos[tape.counter].delay++;
696   }
697
698   return TRUE;
699 }
700
701 void TapeRecordAction(byte action_raw[MAX_PLAYERS])
702 {
703   byte action[MAX_PLAYERS];
704   int i;
705
706   if (!tape.recording)          /* (record action even when tape is paused) */
707     return;
708
709   for (i = 0; i < MAX_PLAYERS; i++)
710     action[i] = action_raw[i];
711
712   if (tape.set_centered_player)
713   {
714     for (i = 0; i < MAX_PLAYERS; i++)
715       if (tape.centered_player_nr_next == i ||
716           tape.centered_player_nr_next == -1)
717         action[i] |= KEY_SET_FOCUS;
718
719     tape.set_centered_player = FALSE;
720   }
721
722   if (!TapeAddAction(action))
723     TapeStopRecording();
724 }
725
726 void TapeTogglePause(boolean toggle_mode)
727 {
728   if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
729   {
730     // continue playing in normal mode
731     tape.fast_forward = FALSE;
732     tape.warp_forward = FALSE;
733     tape.deactivate_display = FALSE;
734
735     tape.pause_before_end = FALSE;
736   }
737
738   tape.pausing = !tape.pausing;
739
740   if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
741     tape.single_step = FALSE;
742
743   DrawVideoDisplayCurrentState();
744
745   if (tape.deactivate_display)
746   {
747     if (tape.pausing)
748       TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
749     else
750       TapeDeactivateDisplayOn();
751   }
752
753   if (tape.quick_resume)
754   {
755     tape.quick_resume = FALSE;
756
757     TapeStopWarpForward();
758     TapeAppendRecording();
759
760     if (!CheckEngineSnapshotSingle())
761       SaveEngineSnapshotSingle();
762
763     // restart step/move snapshots after quick loading tape
764     SaveEngineSnapshotToListInitial();
765
766     // do not map undo/redo buttons after quick loading tape
767     return;
768   }
769
770   if (setup.show_snapshot_buttons &&
771       game_status == GAME_MODE_PLAYING &&
772       CheckEngineSnapshotList())
773   {
774     if (tape.pausing)
775       MapUndoRedoButtons();
776     else if (!tape.single_step)
777       UnmapUndoRedoButtons();
778   }
779 }
780
781 void TapeStartPlaying()
782 {
783   if (TAPE_IS_EMPTY(tape))
784     return;
785
786   if (!TAPE_IS_STOPPED(tape))
787     TapeStop();
788
789   TapeRewind();
790
791   tape.playing = TRUE;
792
793   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
794   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
795   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
796   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
797
798   MapTapeWarpButton();
799
800   SetDrawDeactivationMask(REDRAW_NONE);
801   audio.sound_deactivated = FALSE;
802 }
803
804 static void TapeStartGamePlaying()
805 {
806   TapeStartPlaying();
807
808   InitGame();
809 }
810
811 void TapeStopPlaying()
812 {
813   tape.playing = FALSE;
814   tape.pausing = FALSE;
815
816   if (tape.warp_forward)
817     TapeStopWarpForward();
818
819   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
820   MapTapeEjectButton();
821 }
822
823 byte *TapePlayAction()
824 {
825   int update_delay = FRAMES_PER_SECOND / 2;
826   boolean update_video_display = (FrameCounter % update_delay == 0);
827   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
828   static byte action[MAX_PLAYERS];
829   int i;
830
831   if (!tape.playing || tape.pausing)
832     return NULL;
833
834   if (tape.pause_before_end)  // stop some seconds before end of tape
835   {
836     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
837     {
838       TapeStopWarpForward();
839       TapeTogglePause(TAPE_TOGGLE_MANUAL);
840
841       return NULL;
842     }
843   }
844
845   if (tape.counter >= tape.length)      /* end of tape reached */
846   {
847     if (tape.warp_forward && !tape.auto_play)
848     {
849       TapeStopWarpForward();
850       TapeTogglePause(TAPE_TOGGLE_MANUAL);
851     }
852     else
853     {
854       TapeStop();
855     }
856
857     return NULL;
858   }
859
860   if (update_video_display && !tape.deactivate_display)
861   {
862     int state = 0;
863
864     if (tape.warp_forward)
865       state |= VIDEO_STATE_WARP(update_draw_label_on);
866     else if (tape.fast_forward)
867       state |= VIDEO_STATE_FFWD(update_draw_label_on);
868
869     if (tape.pause_before_end)
870       state |= VIDEO_STATE_PBEND(update_draw_label_on);
871
872     // draw labels and symbols separately to prevent labels overlapping symbols
873     DrawVideoDisplayLabel(state);
874     DrawVideoDisplaySymbol(state);
875   }
876
877   for (i = 0; i < MAX_PLAYERS; i++)
878     action[i] = tape.pos[tape.counter].action[i];
879
880 #if DEBUG_TAPE_WHEN_PLAYING
881   printf("%05d", FrameCounter);
882   for (i = 0; i < MAX_PLAYERS; i++)
883     printf("   %08x", action[i]);
884   printf("\n");
885 #endif
886
887   tape.set_centered_player = FALSE;
888   tape.centered_player_nr_next = -999;
889
890   for (i = 0; i < MAX_PLAYERS; i++)
891   {
892     if (action[i] & KEY_SET_FOCUS)
893     {
894       tape.set_centered_player = TRUE;
895       tape.centered_player_nr_next =
896         (tape.centered_player_nr_next == -999 ? i : -1);
897     }
898
899     action[i] &= ~KEY_SET_FOCUS;
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()
916 {
917   TapeStopRecording();
918   TapeStopPlaying();
919
920   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
921
922   if (tape.date && tape.length)
923   {
924     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
925     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
926     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
927   }
928 }
929
930 unsigned int GetTapeLengthFrames()
931 {
932   unsigned int tape_length_frames = 0;
933   int i;
934
935   if (TAPE_IS_EMPTY(tape))
936     return(0);
937
938   for (i = 0; i < tape.length; i++)
939     tape_length_frames += tape.pos[i].delay;
940
941   return tape_length_frames;
942 }
943
944 unsigned int GetTapeLengthSeconds()
945 {
946   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
947 }
948
949 static float GetTapeLengthSecondsFloat()
950 {
951   return ((float)GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
952 }
953
954 static void TapeStartWarpForward(int mode)
955 {
956   tape.fast_forward = (mode & AUTOPLAY_FFWD);
957   tape.warp_forward = (mode & AUTOPLAY_WARP);
958   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
959
960   tape.pausing = FALSE;
961
962   if (tape.deactivate_display)
963     TapeDeactivateDisplayOn();
964
965   DrawVideoDisplayCurrentState();
966 }
967
968 static void TapeStopWarpForward()
969 {
970   tape.fast_forward = FALSE;
971   tape.warp_forward = FALSE;
972   tape.deactivate_display = FALSE;
973
974   tape.pause_before_end = FALSE;
975
976   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
977
978   DrawVideoDisplayCurrentState();
979 }
980
981 static void TapeSingleStep()
982 {
983   if (options.network)
984     return;
985
986   if (!tape.pausing)
987     TapeTogglePause(TAPE_TOGGLE_MANUAL);
988
989   tape.single_step = !tape.single_step;
990
991   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
992 }
993
994 void TapeQuickSave()
995 {
996   if (game_status == GAME_MODE_MAIN)
997   {
998     Request("No game that can be saved!", REQ_CONFIRM);
999
1000     return;
1001   }
1002
1003   if (game_status != GAME_MODE_PLAYING)
1004     return;
1005
1006   if (tape.recording)
1007     TapeHaltRecording();        /* prepare tape for saving on-the-fly */
1008
1009   if (TAPE_IS_EMPTY(tape))
1010   {
1011     Request("No tape that can be saved!", REQ_CONFIRM);
1012
1013     return;
1014   }
1015
1016   if (SaveTapeChecked(tape.level_nr))
1017     SaveEngineSnapshotSingle();
1018 }
1019
1020 void TapeQuickLoad()
1021 {
1022   char *filename = getTapeFilename(level_nr);
1023
1024   if (!fileExists(filename))
1025   {
1026     Request("No tape for this level!", REQ_CONFIRM);
1027
1028     return;
1029   }
1030
1031   if (tape.recording && !Request("Stop recording and load tape?",
1032                                  REQ_ASK | REQ_STAY_CLOSED))
1033   {
1034     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1035
1036     return;
1037   }
1038
1039   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1040     return;
1041
1042   if (CheckEngineSnapshotSingle())
1043   {
1044     TapeStartGamePlaying();
1045
1046     LoadEngineSnapshotSingle();
1047
1048     DrawCompleteVideoDisplay();
1049
1050     tape.playing = TRUE;
1051     tape.pausing = TRUE;
1052
1053     TapeStopWarpForward();
1054     TapeAppendRecording();
1055
1056     // restart step/move snapshots after quick loading tape
1057     SaveEngineSnapshotToListInitial();
1058
1059     if (FrameCounter > 0)
1060       return;
1061   }
1062
1063   TapeStop();
1064   TapeErase();
1065
1066   LoadTape(level_nr);
1067
1068   if (!TAPE_IS_EMPTY(tape))
1069   {
1070     TapeStartGamePlaying();
1071     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1072
1073     tape.quick_resume = TRUE;
1074   }
1075   else  /* this should not happen (basically checked above) */
1076   {
1077     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1078
1079     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1080   }
1081 }
1082
1083 void InsertSolutionTape()
1084 {
1085   boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
1086                             level.native_sp_level->demo.is_available);
1087
1088   if (!fileExists(getSolutionTapeFilename(level_nr)) && !level_has_tape)
1089   {
1090     Request("No solution tape for this level!", REQ_CONFIRM);
1091
1092     return;
1093   }
1094
1095   // if tape recorder already contains a tape, remove it without asking
1096   TapeErase();
1097
1098   LoadSolutionTape(level_nr);
1099
1100   if (TAPE_IS_EMPTY(tape))
1101     Request("Loading solution tape for this level failed!", REQ_CONFIRM);
1102
1103   DrawCompleteVideoDisplay();
1104 }
1105
1106
1107 /* ------------------------------------------------------------------------- *
1108  * tape autoplay functions
1109  * ------------------------------------------------------------------------- */
1110
1111 void AutoPlayTape()
1112 {
1113   static LevelDirTree *autoplay_leveldir = NULL;
1114   static boolean autoplay_initialized = FALSE;
1115   static int autoplay_level_nr = -1;
1116   static int num_levels_played = 0;
1117   static int num_levels_solved = 0;
1118   static int num_tape_missing = 0;
1119   static boolean level_failed[MAX_TAPES_PER_SET];
1120   int i;
1121
1122   if (autoplay_initialized)
1123   {
1124     /* just finished auto-playing tape */
1125     PrintTapeReplayProgress(TRUE);
1126
1127     num_levels_played++;
1128
1129     if (tape.auto_play_level_solved)
1130       num_levels_solved++;
1131     else if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1132       level_failed[level_nr] = TRUE;
1133   }
1134   else
1135   {
1136     DrawCompleteVideoDisplay();
1137
1138     audio.sound_enabled = FALSE;
1139     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1140
1141     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1142                                                   global.autoplay_leveldir);
1143
1144     if (autoplay_leveldir == NULL)
1145       Error(ERR_EXIT, "no such level identifier: '%s'",
1146             global.autoplay_leveldir);
1147
1148     leveldir_current = autoplay_leveldir;
1149
1150     if (autoplay_leveldir->first_level < 0)
1151       autoplay_leveldir->first_level = 0;
1152     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1153       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1154
1155     autoplay_level_nr = autoplay_leveldir->first_level;
1156
1157     PrintLine("=", 79);
1158     Print("Automatically playing level tapes\n");
1159     PrintLine("-", 79);
1160     Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1161     Print("Level series name:       '%s'\n", autoplay_leveldir->name);
1162     Print("Level series author:     '%s'\n", autoplay_leveldir->author);
1163     Print("Number of levels:        %d\n",   autoplay_leveldir->levels);
1164     PrintLine("=", 79);
1165     Print("\n");
1166
1167     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1168       level_failed[i] = FALSE;
1169
1170     autoplay_initialized = TRUE;
1171   }
1172
1173   while (autoplay_level_nr <= autoplay_leveldir->last_level)
1174   {
1175     level_nr = autoplay_level_nr++;
1176
1177     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1178       continue;
1179
1180     TapeErase();
1181
1182     LoadLevel(level_nr);
1183
1184     if (level.no_level_file || level.no_valid_file)
1185     {
1186       Print("Level %03d: (no level)\n", level_nr);
1187
1188       continue;
1189     }
1190
1191 #if 0
1192     /* ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY */
1193     Print("Level %03d: (only testing level)\n", level_nr);
1194     continue;
1195 #endif
1196
1197     if (options.mytapes)
1198       LoadTape(level_nr);
1199     else
1200       LoadSolutionTape(level_nr);
1201
1202     if (tape.no_valid_file)
1203     {
1204       num_tape_missing++;
1205
1206       Print("Level %03d: (no tape)\n", level_nr);
1207
1208       continue;
1209     }
1210
1211     InitCounter();
1212
1213     TapeStartGamePlaying();
1214     TapeStartWarpForward(global.autoplay_mode);
1215
1216     return;
1217   }
1218
1219   Print("\n");
1220   PrintLine("=", 79);
1221   Print("Number of levels played: %d\n", num_levels_played);
1222   Print("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1223          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1224   PrintLine("-", 79);
1225   Print("Summary (for automatic parsing by scripts):\n");
1226   Print("LEVELDIR '%s', SOLVED %d/%d (%d%%)",
1227          autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1228          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1229
1230   if (num_levels_played != num_levels_solved)
1231   {
1232     Print(", FAILED:");
1233     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1234       if (level_failed[i])
1235         Print(" %03d", i);
1236   }
1237
1238   Print("\n");
1239   PrintLine("=", 79);
1240
1241   CloseAllAndExit(0);
1242 }
1243
1244
1245 /* ---------- new tape button stuff ---------------------------------------- */
1246
1247 static struct
1248 {
1249   int graphic;
1250   struct XY *pos;
1251   int gadget_id;
1252   char *infotext;
1253 } tapebutton_info[NUM_TAPE_BUTTONS] =
1254 {
1255   {
1256     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1257     TAPE_CTRL_ID_EJECT,                 "eject tape"
1258   },
1259   {
1260     /* (same position as "eject" button) */
1261     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1262     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1263   },
1264   {
1265     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1266     TAPE_CTRL_ID_STOP,                  "stop tape"
1267   },
1268   {
1269     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1270     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1271   },
1272   {
1273     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1274     TAPE_CTRL_ID_RECORD,                "record tape"
1275   },
1276   {
1277     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1278     TAPE_CTRL_ID_PLAY,                  "play tape"
1279   }
1280 };
1281
1282 void CreateTapeButtons()
1283 {
1284   int i;
1285
1286   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1287   {
1288     struct GraphicInfo *gfx = &graphic_info[tapebutton_info[i].graphic];
1289     struct XY *pos = tapebutton_info[i].pos;
1290     struct GadgetInfo *gi;
1291     int gd_x = gfx->src_x;
1292     int gd_y = gfx->src_y;
1293     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1294     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1295     int id = i;
1296
1297     gi = CreateGadget(GDI_CUSTOM_ID, id,
1298                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1299                       GDI_X, VX + pos->x,
1300                       GDI_Y, VY + pos->y,
1301                       GDI_WIDTH, gfx->width,
1302                       GDI_HEIGHT, gfx->height,
1303                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1304                       GDI_STATE, GD_BUTTON_UNPRESSED,
1305                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1306                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1307                       GDI_DIRECT_DRAW, FALSE,
1308                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1309                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1310                       GDI_END);
1311
1312     if (gi == NULL)
1313       Error(ERR_EXIT, "cannot create gadget");
1314
1315     tape_gadget[id] = gi;
1316   }
1317 }
1318
1319 void FreeTapeButtons()
1320 {
1321   int i;
1322
1323   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1324     FreeGadget(tape_gadget[i]);
1325 }
1326
1327 void MapTapeEjectButton()
1328 {
1329   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1330   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1331 }
1332
1333 void MapTapeWarpButton()
1334 {
1335   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1336   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1337 }
1338
1339 void MapTapeButtons()
1340 {
1341   int i;
1342
1343   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1344     if (i != TAPE_CTRL_ID_EXTRA)
1345       MapGadget(tape_gadget[i]);
1346
1347   if (tape.recording || tape.playing)
1348     MapTapeWarpButton();
1349
1350   if (tape.show_game_buttons)
1351     MapGameButtons();
1352 }
1353
1354 void UnmapTapeButtons()
1355 {
1356   int i;
1357
1358   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1359     UnmapGadget(tape_gadget[i]);
1360
1361   if (tape.show_game_buttons)
1362     UnmapGameButtons();
1363 }
1364
1365 void RedrawTapeButtons()
1366 {
1367   int i;
1368
1369   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1370     RedrawGadget(tape_gadget[i]);
1371
1372   if (tape.show_game_buttons)
1373     RedrawGameButtons();
1374
1375   // RedrawGadget() may have set REDRAW_ALL if buttons are defined off-area
1376   redraw_mask &= ~REDRAW_ALL;
1377 }
1378
1379 void RedrawOrRemapTapeButtons()
1380 {
1381   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
1382   {
1383     // tape buttons already mapped
1384     RedrawTapeButtons();
1385   }
1386   else
1387   {
1388     UnmapTapeButtons();
1389     MapTapeButtons();
1390   }
1391 }
1392
1393 static void HandleTapeButtonsExt(int id)
1394 {
1395   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1396     return;
1397
1398   switch (id)
1399   {
1400     case TAPE_CTRL_ID_EJECT:
1401       TapeStop();
1402
1403       if (TAPE_IS_EMPTY(tape))
1404       {
1405         LoadTape(level_nr);
1406
1407         if (TAPE_IS_EMPTY(tape))
1408           Request("No tape for this level!", REQ_CONFIRM);
1409       }
1410       else
1411       {
1412         if (tape.changed)
1413           SaveTapeChecked(level_nr);
1414
1415         TapeErase();
1416       }
1417
1418       DrawCompleteVideoDisplay();
1419       break;
1420
1421     case TAPE_CTRL_ID_EXTRA:
1422       if (tape.playing)
1423       {
1424         tape.pause_before_end = !tape.pause_before_end;
1425
1426         DrawVideoDisplayCurrentState();
1427       }
1428       else if (tape.recording)
1429       {
1430         TapeSingleStep();
1431       }
1432
1433       break;
1434
1435     case TAPE_CTRL_ID_STOP:
1436       TapeStop();
1437
1438       break;
1439
1440     case TAPE_CTRL_ID_PAUSE:
1441       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1442
1443       break;
1444
1445     case TAPE_CTRL_ID_RECORD:
1446       if (TAPE_IS_STOPPED(tape))
1447       {
1448         TapeStartGameRecording();
1449       }
1450       else if (tape.pausing)
1451       {
1452         if (tape.playing)                       /* PLAY -> PAUSE -> RECORD */
1453           TapeAppendRecording();
1454         else
1455           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1456       }
1457
1458       break;
1459
1460     case TAPE_CTRL_ID_PLAY:
1461       if (tape.recording && tape.pausing)       /* PAUSE -> RECORD */
1462       {
1463         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
1464
1465         TapeTogglePause(TAPE_TOGGLE_MANUAL);
1466       }
1467
1468       if (TAPE_IS_EMPTY(tape))
1469         break;
1470
1471       if (TAPE_IS_STOPPED(tape))
1472       {
1473         TapeStartGamePlaying();
1474       }
1475       else if (tape.playing)
1476       {
1477         if (tape.pausing)                       /* PAUSE -> PLAY */
1478         {
1479           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
1480         }
1481         else if (!tape.fast_forward)            /* PLAY -> FFWD */
1482         {
1483           tape.fast_forward = TRUE;
1484         }
1485         else if (!tape.warp_forward)            /* FFWD -> WARP */
1486         {
1487           tape.warp_forward = TRUE;
1488         }
1489         else if (!tape.deactivate_display)      /* WARP -> WARP BLIND */
1490         {
1491           tape.deactivate_display = TRUE;
1492
1493           TapeDeactivateDisplayOn();
1494         }
1495         else                                    /* WARP BLIND -> PLAY */
1496         {
1497           tape.fast_forward = FALSE;
1498           tape.warp_forward = FALSE;
1499           tape.deactivate_display = FALSE;
1500
1501           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1502         }
1503
1504         DrawVideoDisplayCurrentState();
1505       }
1506
1507       break;
1508
1509     default:
1510       break;
1511   }
1512 }
1513
1514 static void HandleTapeButtons(struct GadgetInfo *gi)
1515 {
1516   HandleTapeButtonsExt(gi->custom_id);
1517 }
1518
1519 void HandleTapeButtonKeys(Key key)
1520 {
1521   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
1522   boolean extra_button_is_active = !eject_button_is_active;
1523
1524   if (key == setup.shortcut.tape_eject && eject_button_is_active)
1525     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
1526   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
1527     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
1528   else if (key == setup.shortcut.tape_stop)
1529     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
1530   else if (key == setup.shortcut.tape_pause)
1531     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
1532   else if (key == setup.shortcut.tape_record)
1533     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
1534   else if (key == setup.shortcut.tape_play)
1535     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
1536 }