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