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