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[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 #define TAPE_CTRL_ID_INSERT_SOLUTION            6
32 #define TAPE_CTRL_ID_PLAY_SOLUTION              7
33
34 #define NUM_TAPE_BUTTONS                        8
35
36 // values for tape handling
37 #define TAPE_PAUSE_SECONDS_BEFORE_DEATH         5
38
39 // forward declaration for internal use
40 static void HandleTapeButtons(struct GadgetInfo *);
41 static void TapeStopWarpForward(void);
42 static float GetTapeLengthSecondsFloat(void);
43
44 static struct GadgetInfo *tape_gadget[NUM_TAPE_BUTTONS];
45
46
47 // ============================================================================
48 // video tape definitions
49 // ============================================================================
50
51 #define VIDEO_INFO_OFF                  (VIDEO_STATE_DATE_OFF   |       \
52                                          VIDEO_STATE_TIME_OFF   |       \
53                                          VIDEO_STATE_FRAME_OFF)
54 #define VIDEO_STATE_OFF                 (VIDEO_STATE_PLAY_OFF   |       \
55                                          VIDEO_STATE_REC_OFF    |       \
56                                          VIDEO_STATE_PAUSE_OFF  |       \
57                                          VIDEO_STATE_FFWD_OFF   |       \
58                                          VIDEO_STATE_WARP_OFF   |       \
59                                          VIDEO_STATE_WARP2_OFF  |       \
60                                          VIDEO_STATE_PBEND_OFF  |       \
61                                          VIDEO_STATE_1STEP_OFF)
62 #define VIDEO_PRESS_OFF                 (VIDEO_PRESS_PLAY_OFF   |       \
63                                          VIDEO_PRESS_REC_OFF    |       \
64                                          VIDEO_PRESS_PAUSE_OFF  |       \
65                                          VIDEO_PRESS_STOP_OFF   |       \
66                                          VIDEO_PRESS_EJECT_OFF)
67 #define VIDEO_ALL_OFF                   (VIDEO_INFO_OFF         |       \
68                                          VIDEO_STATE_OFF        |       \
69                                          VIDEO_PRESS_OFF)
70
71 #define VIDEO_INFO_ON                   (VIDEO_STATE_DATE_ON    |       \
72                                          VIDEO_STATE_TIME_ON    |       \
73                                          VIDEO_STATE_FRAME_ON)
74 #define VIDEO_STATE_ON                  (VIDEO_STATE_PLAY_ON    |       \
75                                          VIDEO_STATE_REC_ON     |       \
76                                          VIDEO_STATE_PAUSE_ON   |       \
77                                          VIDEO_STATE_FFWD_ON    |       \
78                                          VIDEO_STATE_WARP_ON    |       \
79                                          VIDEO_STATE_WARP2_ON   |       \
80                                          VIDEO_STATE_PBEND_ON   |       \
81                                          VIDEO_STATE_1STEP_ON)
82 #define VIDEO_PRESS_ON                  (VIDEO_PRESS_PLAY_ON    |       \
83                                          VIDEO_PRESS_REC_ON     |       \
84                                          VIDEO_PRESS_PAUSE_ON   |       \
85                                          VIDEO_PRESS_STOP_ON    |       \
86                                          VIDEO_PRESS_EJECT_ON)
87 #define VIDEO_ALL_ON                    (VIDEO_INFO_ON          |       \
88                                          VIDEO_STATE_ON         |       \
89                                          VIDEO_PRESS_ON)
90
91 #define VIDEO_INFO                      (VIDEO_INFO_ON | VIDEO_INFO_OFF)
92 #define VIDEO_STATE                     (VIDEO_STATE_ON | VIDEO_STATE_OFF)
93 #define VIDEO_PRESS                     (VIDEO_PRESS_ON | VIDEO_PRESS_OFF)
94 #define VIDEO_ALL                       (VIDEO_ALL_ON | VIDEO_ALL_OFF)
95
96 #define NUM_TAPE_FUNCTIONS              11
97 #define NUM_TAPE_FUNCTION_PARTS         2
98 #define NUM_TAPE_FUNCTION_STATES        2
99
100
101 // ============================================================================
102 // video display functions
103 // ============================================================================
104
105 static void DrawVideoDisplay_Graphics(unsigned int state, unsigned int value)
106 {
107   int i, j, k;
108
109   static struct
110   {
111     int graphic;
112     struct XY *pos;
113   }
114   video_pos[NUM_TAPE_FUNCTIONS][NUM_TAPE_FUNCTION_PARTS] =
115   {
116     {
117       { IMG_GFX_TAPE_LABEL_PLAY,                &tape.label.play        },
118       { IMG_GFX_TAPE_SYMBOL_PLAY,               &tape.symbol.play       },
119     },
120     {
121       { IMG_GFX_TAPE_LABEL_RECORD,              &tape.label.record      },
122       { IMG_GFX_TAPE_SYMBOL_RECORD,             &tape.symbol.record     },
123     },
124     {
125       { IMG_GFX_TAPE_LABEL_PAUSE,               &tape.label.pause       },
126       { IMG_GFX_TAPE_SYMBOL_PAUSE,              &tape.symbol.pause      },
127     },
128     {
129       { IMG_GFX_TAPE_LABEL_DATE,                &tape.label.date        },
130       { -1,                                     NULL                    },
131     },
132     {
133       { IMG_GFX_TAPE_LABEL_TIME,                &tape.label.time        },
134       { -1,                                     NULL                    },
135     },
136     {
137       // (no label for displaying optional frame)
138       { -1,                                     NULL                    },
139       { -1,                                     NULL                    },
140     },
141     {
142       { IMG_GFX_TAPE_LABEL_FAST_FORWARD,        &tape.label.fast_forward  },
143       { IMG_GFX_TAPE_SYMBOL_FAST_FORWARD,       &tape.symbol.fast_forward },
144     },
145     {
146       { IMG_GFX_TAPE_LABEL_WARP_FORWARD,        &tape.label.warp_forward  },
147       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD,       &tape.symbol.warp_forward },
148     },
149     {
150       { IMG_GFX_TAPE_LABEL_WARP_FORWARD_BLIND,  &tape.label.warp_forward_blind},
151       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD_BLIND, &tape.symbol.warp_forward_blind},
152     },
153     {
154       { IMG_GFX_TAPE_LABEL_PAUSE_BEFORE_END,    &tape.label.pause_before_end  },
155       { IMG_GFX_TAPE_SYMBOL_PAUSE_BEFORE_END,   &tape.symbol.pause_before_end },
156     },
157     {
158       { IMG_GFX_TAPE_LABEL_SINGLE_STEP,         &tape.label.single_step  },
159       { IMG_GFX_TAPE_SYMBOL_SINGLE_STEP,        &tape.symbol.single_step },
160     },
161   };
162
163   for (k = 0; k < NUM_TAPE_FUNCTION_STATES; k++)        // on or off states
164   {
165     for (i = 0; i < NUM_TAPE_FUNCTIONS; i++)            // record, play, ...
166     {
167       for (j = 0; j < NUM_TAPE_FUNCTION_PARTS; j++)     // label or symbol
168       {
169         int graphic = video_pos[i][j].graphic;
170         struct XY *pos = video_pos[i][j].pos;
171
172         if (graphic == -1 ||
173             pos->x == -1 ||
174             pos->y == -1)
175           continue;
176
177         if (state & (1 << (i * 2 + k)))
178         {
179           struct GraphicInfo *gfx_bg = &graphic_info[IMG_BACKGROUND_TAPE];
180           struct GraphicInfo *gfx = &graphic_info[graphic];
181           Bitmap *gd_bitmap;
182           int gd_x, gd_y;
183           int skip_value =
184             (j == 0 ? VIDEO_DISPLAY_SYMBOL_ONLY : VIDEO_DISPLAY_LABEL_ONLY);
185
186           if (value == skip_value)
187             continue;
188
189           if (k == 1)           // on
190           {
191             gd_bitmap = gfx->bitmap;
192             gd_x = gfx->src_x;
193             gd_y = gfx->src_y;
194           }
195           else                  // off
196           {
197             gd_bitmap = gfx_bg->bitmap;
198             gd_x = gfx_bg->src_x + pos->x;
199             gd_y = gfx_bg->src_y + pos->y;
200           }
201
202           // some tape graphics may be undefined -- only draw if defined
203           if (gd_bitmap != NULL)
204             BlitBitmap(gd_bitmap, drawto, gd_x, gd_y, gfx->width, gfx->height,
205                        VX + pos->x, VY + pos->y);
206
207           redraw_mask |= REDRAW_DOOR_2;
208         }
209       }
210     }
211   }
212 }
213
214
215 #define DATETIME_NONE                   (0)
216
217 #define DATETIME_DATE_YYYY              (1 << 0)
218 #define DATETIME_DATE_YY                (1 << 1)
219 #define DATETIME_DATE_MON               (1 << 2)
220 #define DATETIME_DATE_MM                (1 << 3)
221 #define DATETIME_DATE_DD                (1 << 4)
222
223 #define DATETIME_TIME_HH                (1 << 5)
224 #define DATETIME_TIME_MIN               (1 << 6)
225 #define DATETIME_TIME_MM                (1 << 7)
226 #define DATETIME_TIME_SS                (1 << 8)
227
228 #define DATETIME_FRAME                  (1 << 9)
229
230 #define DATETIME_XOFFSET_1              (1 << 10)
231 #define DATETIME_XOFFSET_2              (1 << 11)
232
233 #define DATETIME_DATE                   (DATETIME_DATE_YYYY     |       \
234                                          DATETIME_DATE_YY       |       \
235                                          DATETIME_DATE_MON      |       \
236                                          DATETIME_DATE_MM       |       \
237                                          DATETIME_DATE_DD)
238
239 #define DATETIME_TIME                   (DATETIME_TIME_HH       |       \
240                                          DATETIME_TIME_MIN      |       \
241                                          DATETIME_TIME_MM       |       \
242                                          DATETIME_TIME_SS)
243
244 #define MAX_DATETIME_STRING_SIZE        32
245
246 static void DrawVideoDisplay_DateTime(unsigned int state, unsigned int value)
247 {
248   int i;
249
250   static char *month_shortnames[] =
251   {
252     "JAN",
253     "FEB",
254     "MAR",
255     "APR",
256     "MAY",
257     "JUN",
258     "JUL",
259     "AUG",
260     "SEP",
261     "OCT",
262     "NOV",
263     "DEC"
264   };
265
266   static struct
267   {
268     struct TextPosInfo *pos;
269     int type;
270   }
271   datetime_info[] =
272   {
273     { &tape.text.date,          DATETIME_DATE_DD                        },
274     { &tape.text.date,          DATETIME_DATE_MON | DATETIME_XOFFSET_1  },
275     { &tape.text.date,          DATETIME_DATE_YY  | DATETIME_XOFFSET_2  },
276     { &tape.text.date_yyyy,     DATETIME_DATE_YYYY                      },
277     { &tape.text.date_yy,       DATETIME_DATE_YY                        },
278     { &tape.text.date_mon,      DATETIME_DATE_MON                       },
279     { &tape.text.date_mm,       DATETIME_DATE_MM                        },
280     { &tape.text.date_dd,       DATETIME_DATE_DD                        },
281
282     { &tape.text.time,          DATETIME_TIME_MIN                       },
283     { &tape.text.time,          DATETIME_TIME_SS  | DATETIME_XOFFSET_1  },
284     { &tape.text.time_hh,       DATETIME_TIME_HH                        },
285     { &tape.text.time_mm,       DATETIME_TIME_MM                        },
286     { &tape.text.time_ss,       DATETIME_TIME_SS                        },
287
288     { &tape.text.frame,         DATETIME_FRAME                          },
289
290     { NULL,                     DATETIME_NONE                           },
291   };
292
293   for (i = 0; datetime_info[i].pos != NULL; i++)
294   {
295     struct TextPosInfo *pos = datetime_info[i].pos;
296     int type = datetime_info[i].type;
297     int xpos, ypos;
298
299     if (pos->x == -1 &&
300         pos->y == -1)
301       continue;
302
303     xpos = VX + pos->x + (type & DATETIME_XOFFSET_1 ? pos->xoffset  :
304                           type & DATETIME_XOFFSET_2 ? pos->xoffset2 : 0);
305     ypos = VY + pos->y;
306
307     if ((type & DATETIME_DATE) && (state & VIDEO_STATE_DATE_ON))
308     {
309       char s[MAX_DATETIME_STRING_SIZE];
310       int year2 = value / 10000;
311       int year4 = (year2 < 70 ? 2000 + year2 : 1900 + year2);
312       int month_index = (value / 100) % 100;
313       int month = month_index + 1;
314       int day = value % 100;
315
316       strcpy(s, (type & DATETIME_DATE_YYYY ? int2str(year4, 4) :
317                  type & DATETIME_DATE_YY   ? int2str(year2, 2) :
318                  type & DATETIME_DATE_MON  ? month_shortnames[month_index] :
319                  type & DATETIME_DATE_MM   ? int2str(month, 2) :
320                  type & DATETIME_DATE_DD   ? int2str(day, 2) : ""));
321
322       DrawText(xpos, ypos, s, pos->font);
323     }
324     else if ((type & DATETIME_TIME) && (state & VIDEO_STATE_TIME_ON))
325     {
326       char s[MAX_DATETIME_STRING_SIZE];
327       int hh = (value / 3600) % 100;
328       int min = value / 60;
329       int mm = (value / 60) % 60;
330       int ss = value % 60;
331
332       strcpy(s, (type & DATETIME_TIME_HH  ? int2str(hh, 2) :
333                  type & DATETIME_TIME_MIN ? int2str(min, 2) :
334                  type & DATETIME_TIME_MM  ? int2str(mm, 2) :
335                  type & DATETIME_TIME_SS  ? int2str(ss, 2) : ""));
336
337       DrawText(xpos, ypos, s, pos->font);
338     }
339     else if ((type & DATETIME_FRAME) && (state & VIDEO_STATE_FRAME_ON))
340     {
341       DrawText(xpos, ypos, int2str(value, pos->size), pos->font);
342     }
343   }
344 }
345
346 void DrawVideoDisplay(unsigned int state, unsigned int value)
347 {
348   DrawVideoDisplay_Graphics(state, value);
349   DrawVideoDisplay_DateTime(state, value);
350 }
351
352 static void DrawVideoDisplayLabel(unsigned int state)
353 {
354   DrawVideoDisplay(state, VIDEO_DISPLAY_LABEL_ONLY);
355 }
356
357 static void DrawVideoDisplaySymbol(unsigned int state)
358 {
359   DrawVideoDisplay(state, VIDEO_DISPLAY_SYMBOL_ONLY);
360 }
361
362 static void DrawVideoDisplayCurrentState(void)
363 {
364   int state = 0;
365
366   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
367
368   if (tape.pausing)
369     state |= VIDEO_STATE_PAUSE_ON;
370
371   if (tape.recording)
372   {
373     state |= VIDEO_STATE_REC_ON;
374
375     if (tape.single_step)
376       state |= VIDEO_STATE_1STEP_ON;
377   }
378   else if (tape.playing)
379   {
380     state |= VIDEO_STATE_PLAY_ON;
381
382     if (!tape.pausing)
383     {
384       if (tape.deactivate_display)
385         state |= VIDEO_STATE_WARP2_ON;
386       else if (tape.warp_forward)
387         state |= VIDEO_STATE_WARP_ON;
388       else if (tape.fast_forward)
389         state |= VIDEO_STATE_FFWD_ON;
390
391       if (tape.pause_before_end)
392         state |= VIDEO_STATE_PBEND_ON;
393     }
394   }
395
396   // draw labels and symbols separately to prevent labels overlapping symbols
397   DrawVideoDisplayLabel(state);
398   DrawVideoDisplaySymbol(state);
399 }
400
401 void DrawCompleteVideoDisplay(void)
402 {
403   struct GraphicInfo *g_tape = &graphic_info[IMG_BACKGROUND_TAPE];
404
405   // draw tape background
406   BlitBitmap(g_tape->bitmap, drawto, g_tape->src_x, g_tape->src_y,
407              gfx.vxsize, gfx.vysize, gfx.vx, gfx.vy);
408
409   // draw tape buttons (forced)
410   RedrawOrRemapTapeButtons();
411
412   DrawVideoDisplay(VIDEO_ALL_OFF, 0);
413
414   if (tape.recording)
415   {
416     DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
417     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
418     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
419     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
420
421     if (tape.pausing)
422       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
423   }
424   else if (tape.playing)
425   {
426     DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
427     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
428     DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
429     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
430
431     if (tape.pausing)
432       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
433   }
434   else if (tape.date && tape.length)
435   {
436     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
437     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
438     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
439   }
440
441   BlitBitmap(drawto, bitmap_db_door_2, gfx.vx, gfx.vy, gfx.vxsize, gfx.vysize,
442              0, 0);
443 }
444
445 void TapeDeactivateDisplayOn(void)
446 {
447   SetDrawDeactivationMask(REDRAW_FIELD);
448   audio.sound_deactivated = TRUE;
449 }
450
451 void TapeDeactivateDisplayOff(boolean redraw_display)
452 {
453   SetDrawDeactivationMask(REDRAW_NONE);
454   audio.sound_deactivated = FALSE;
455
456   if (redraw_display)
457   {
458     RedrawPlayfield();
459     DrawGameDoorValues();
460   }
461 }
462
463
464 // ============================================================================
465 // tape logging functions
466 // ============================================================================
467
468 static void PrintTapeReplayProgress(boolean replay_finished)
469 {
470   static unsigned int counter_last = -1;
471   unsigned int counter = Counter();
472   unsigned int counter_seconds  = counter / 1000;
473
474   if (!replay_finished)
475   {
476     unsigned int counter_delay = 50;
477
478     if (counter > counter_last + counter_delay)
479     {
480       PrintNoLog("\r");
481       PrintNoLog("Level %03d [%02d:%02d]: [%02d:%02d] - playing tape ... ",
482                  level_nr, tape.length_seconds / 60, tape.length_seconds % 60,
483                  TapeTime / 60, TapeTime % 60);
484
485       counter_last = counter;
486     }
487   }
488   else
489   {
490     float tape_length_seconds = GetTapeLengthSecondsFloat();
491
492     PrintNoLog("\r");
493     Print("Level %03d [%02d:%02d]: (%02d:%02d.%03d / %.2f %%) - %s.\n",
494           level_nr, tape.length_seconds / 60, tape.length_seconds % 60,
495           counter_seconds / 60, counter_seconds % 60, counter % 1000,
496           (float)counter / tape_length_seconds / 10,
497           tape.auto_play_level_solved ? "solved" : "NOT SOLVED");
498
499     counter_last = -1;
500   }
501 }
502
503
504 // ============================================================================
505 // tape control functions
506 // ============================================================================
507
508 void TapeSetDateFromEpochSeconds(time_t epoch_seconds)
509 {
510   struct tm *lt = localtime(&epoch_seconds);
511
512   tape.date = 10000 * (lt->tm_year % 100) + 100 * lt->tm_mon + lt->tm_mday;
513 }
514
515 void TapeSetDateFromNow(void)
516 {
517   TapeSetDateFromEpochSeconds(time(NULL));
518 }
519
520 void TapeErase(void)
521 {
522   int i;
523
524   tape.counter = 0;
525   tape.length = 0;
526   tape.length_frames = 0;
527   tape.length_seconds = 0;
528
529   if (leveldir_current)
530     setString(&tape.level_identifier, leveldir_current->identifier);
531
532   tape.level_nr = level_nr;
533   tape.pos[tape.counter].delay = 0;
534   tape.changed = TRUE;
535
536   tape.random_seed = InitRND(level.random_seed);
537
538   tape.file_version = FILE_VERSION_ACTUAL;
539   tape.game_version = GAME_VERSION_ACTUAL;
540   tape.engine_version = level.game_version;
541
542   TapeSetDateFromNow();
543
544   for (i = 0; i < MAX_PLAYERS; i++)
545     tape.player_participates[i] = FALSE;
546
547   tape.centered_player_nr_next = -1;
548   tape.set_centered_player = FALSE;
549
550   tape.use_mouse = (level.game_engine_type == GAME_ENGINE_TYPE_MM);
551 }
552
553 static void TapeRewind(void)
554 {
555   tape.counter = 0;
556   tape.delay_played = 0;
557   tape.pause_before_end = FALSE;
558   tape.recording = FALSE;
559   tape.playing = FALSE;
560   tape.fast_forward = FALSE;
561   tape.warp_forward = FALSE;
562   tape.deactivate_display = FALSE;
563   tape.auto_play = (global.autoplay_leveldir != NULL);
564   tape.auto_play_level_solved = FALSE;
565   tape.quick_resume = FALSE;
566   tape.single_step = FALSE;
567
568   tape.centered_player_nr_next = -1;
569   tape.set_centered_player = FALSE;
570
571   InitRND(tape.random_seed);
572 }
573
574 static void TapeSetRandomSeed(int random_seed)
575 {
576   tape.random_seed = InitRND(random_seed);
577 }
578
579 void TapeStartRecording(int random_seed)
580 {
581   if (!TAPE_IS_STOPPED(tape))
582     TapeStop();
583
584   TapeErase();
585   TapeRewind();
586   TapeSetRandomSeed(random_seed);
587
588   tape.recording = TRUE;
589
590   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
591   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
592   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
593   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
594
595   MapTapeWarpButton();
596
597   SetDrawDeactivationMask(REDRAW_NONE);
598   audio.sound_deactivated = FALSE;
599 }
600
601 static void TapeStartGameRecording(void)
602 {
603   StartGameActions(network.enabled, TRUE, level.random_seed);
604 }
605
606 static void TapeAppendRecording(void)
607 {
608   if (!tape.playing || !tape.pausing)
609     return;
610
611   // stop playing
612   tape.playing = FALSE;
613   tape.fast_forward = FALSE;
614   tape.warp_forward = FALSE;
615   tape.pause_before_end = FALSE;
616   tape.deactivate_display = FALSE;
617
618   // start recording
619   tape.recording = TRUE;
620   tape.changed = TRUE;
621
622   // set current delay (for last played move)
623   tape.pos[tape.counter].delay = tape.delay_played;
624
625   // set current date
626   TapeSetDateFromNow();
627
628   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
629   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
630
631   UpdateAndDisplayGameControlValues();
632 }
633
634 void TapeHaltRecording(void)
635 {
636   tape.counter++;
637
638   // initialize delay for next tape entry (to be able to continue recording)
639   if (tape.counter < MAX_TAPE_LEN)
640     tape.pos[tape.counter].delay = 0;
641
642   tape.length = tape.counter;
643   tape.length_frames = GetTapeLengthFrames();
644   tape.length_seconds = GetTapeLengthSeconds();
645 }
646
647 void TapeStopRecording(void)
648 {
649   if (tape.recording)
650     TapeHaltRecording();
651
652   tape.recording = FALSE;
653   tape.pausing = FALSE;
654
655   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
656   MapTapeEjectButton();
657 }
658
659 boolean TapeAddAction(byte action[MAX_PLAYERS])
660 {
661   int i;
662
663   if (tape.pos[tape.counter].delay > 0)         // already stored action
664   {
665     boolean changed_events = FALSE;
666
667     for (i = 0; i < MAX_PLAYERS; i++)
668       if (tape.pos[tape.counter].action[i] != action[i])
669         changed_events = TRUE;
670
671     if (changed_events || tape.pos[tape.counter].delay >= 255)
672     {
673       if (tape.counter >= MAX_TAPE_LEN - 1)
674         return FALSE;
675
676       tape.counter++;
677       tape.pos[tape.counter].delay = 0;
678     }
679     else
680       tape.pos[tape.counter].delay++;
681   }
682
683   if (tape.pos[tape.counter].delay == 0)        // store new action
684   {
685     for (i = 0; i < MAX_PLAYERS; i++)
686       tape.pos[tape.counter].action[i] = action[i];
687
688     tape.pos[tape.counter].delay++;
689   }
690
691   return TRUE;
692 }
693
694 void TapeRecordAction(byte action_raw[MAX_PLAYERS])
695 {
696   byte action[MAX_PLAYERS];
697   int i;
698
699   if (!tape.recording)          // (record action even when tape is paused)
700     return;
701
702   for (i = 0; i < MAX_PLAYERS; i++)
703     action[i] = action_raw[i];
704
705   if (!tape.use_mouse && tape.set_centered_player)
706   {
707     for (i = 0; i < MAX_PLAYERS; i++)
708       if (tape.centered_player_nr_next == i ||
709           tape.centered_player_nr_next == -1)
710         action[i] |= KEY_SET_FOCUS;
711
712     tape.set_centered_player = FALSE;
713   }
714
715   if (!TapeAddAction(action))
716     TapeStopRecording();
717 }
718
719 void TapeTogglePause(boolean toggle_mode)
720 {
721   if (tape.playing && tape.pausing && (toggle_mode & TAPE_TOGGLE_PLAY_PAUSE))
722   {
723     // continue playing in normal mode
724     tape.fast_forward = FALSE;
725     tape.warp_forward = FALSE;
726     tape.deactivate_display = FALSE;
727
728     tape.pause_before_end = FALSE;
729   }
730
731   tape.pausing = !tape.pausing;
732
733   if (tape.single_step && (toggle_mode & TAPE_TOGGLE_MANUAL))
734     tape.single_step = FALSE;
735
736   DrawVideoDisplayCurrentState();
737
738   if (tape.deactivate_display)
739   {
740     if (tape.pausing)
741       TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
742     else
743       TapeDeactivateDisplayOn();
744   }
745
746   if (tape.quick_resume)
747   {
748     tape.quick_resume = FALSE;
749
750     TapeStopWarpForward();
751     TapeAppendRecording();
752
753     if (!CheckEngineSnapshotSingle())
754       SaveEngineSnapshotSingle();
755
756     // restart step/move snapshots after quick loading tape
757     SaveEngineSnapshotToListInitial();
758
759     // do not map undo/redo buttons after quick loading tape
760     return;
761   }
762
763   if (setup.show_snapshot_buttons &&
764       game_status == GAME_MODE_PLAYING &&
765       CheckEngineSnapshotList())
766   {
767     if (tape.pausing)
768       MapUndoRedoButtons();
769     else if (!tape.single_step)
770       UnmapUndoRedoButtons();
771   }
772 }
773
774 void TapeStartPlaying(void)
775 {
776   if (TAPE_IS_EMPTY(tape))
777     return;
778
779   if (!TAPE_IS_STOPPED(tape))
780     TapeStop();
781
782   TapeRewind();
783
784   tape.playing = TRUE;
785
786   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
787   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
788   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
789   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
790
791   MapTapeWarpButton();
792
793   SetDrawDeactivationMask(REDRAW_NONE);
794   audio.sound_deactivated = FALSE;
795 }
796
797 static void TapeStartGamePlaying(void)
798 {
799   TapeStartPlaying();
800
801   InitGame();
802 }
803
804 void TapeStopPlaying(void)
805 {
806   tape.playing = FALSE;
807   tape.pausing = FALSE;
808
809   if (tape.warp_forward)
810     TapeStopWarpForward();
811
812   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
813   MapTapeEjectButton();
814 }
815
816 byte *TapePlayAction(void)
817 {
818   int update_delay = FRAMES_PER_SECOND / 2;
819   boolean update_video_display = (FrameCounter % update_delay == 0);
820   boolean update_draw_label_on = ((FrameCounter / update_delay) % 2 == 1);
821   static byte action[MAX_PLAYERS];
822   int i;
823
824   if (!tape.playing || tape.pausing)
825     return NULL;
826
827   if (tape.pause_before_end)  // stop some seconds before end of tape
828   {
829     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
830     {
831       TapeStopWarpForward();
832       TapeTogglePause(TAPE_TOGGLE_MANUAL);
833
834       return NULL;
835     }
836   }
837
838   if (tape.counter >= tape.length)      // end of tape reached
839   {
840     if (tape.warp_forward && !tape.auto_play)
841     {
842       TapeStopWarpForward();
843       TapeTogglePause(TAPE_TOGGLE_MANUAL);
844     }
845     else
846     {
847       TapeStop();
848     }
849
850     return NULL;
851   }
852
853   if (update_video_display && !tape.deactivate_display)
854   {
855     int state = 0;
856
857     if (tape.warp_forward)
858       state |= VIDEO_STATE_WARP(update_draw_label_on);
859     else if (tape.fast_forward)
860       state |= VIDEO_STATE_FFWD(update_draw_label_on);
861
862     if (tape.pause_before_end)
863       state |= VIDEO_STATE_PBEND(update_draw_label_on);
864
865     // draw labels and symbols separately to prevent labels overlapping symbols
866     DrawVideoDisplayLabel(state);
867     DrawVideoDisplaySymbol(state);
868   }
869
870   for (i = 0; i < MAX_PLAYERS; i++)
871     action[i] = tape.pos[tape.counter].action[i];
872
873 #if DEBUG_TAPE_WHEN_PLAYING
874   printf("%05d", FrameCounter);
875   for (i = 0; i < MAX_PLAYERS; i++)
876     printf("   %08x", action[i]);
877   printf("\n");
878 #endif
879
880   tape.set_centered_player = FALSE;
881   tape.centered_player_nr_next = -999;
882
883   if (!tape.use_mouse)
884   {
885     for (i = 0; i < MAX_PLAYERS; i++)
886     {
887       if (action[i] & KEY_SET_FOCUS)
888       {
889         tape.set_centered_player = TRUE;
890         tape.centered_player_nr_next =
891           (tape.centered_player_nr_next == -999 ? i : -1);
892       }
893
894       action[i] &= ~KEY_SET_FOCUS;
895     }
896   }
897
898   tape.delay_played++;
899   if (tape.delay_played >= tape.pos[tape.counter].delay)
900   {
901     tape.counter++;
902     tape.delay_played = 0;
903   }
904
905   if (tape.auto_play)
906     PrintTapeReplayProgress(FALSE);
907
908   return action;
909 }
910
911 void TapeStop(void)
912 {
913   if (tape.pausing)
914     TapeTogglePause(TAPE_TOGGLE_MANUAL);
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(void)
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(void)
944 {
945   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
946 }
947
948 static float GetTapeLengthSecondsFloat(void)
949 {
950   return ((float)GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
951 }
952
953 static void TapeStartWarpForward(int mode)
954 {
955   tape.fast_forward = (mode & AUTOPLAY_FFWD);
956   tape.warp_forward = (mode & AUTOPLAY_WARP);
957   tape.deactivate_display = (mode & AUTOPLAY_WARP_NO_DISPLAY);
958
959   tape.pausing = FALSE;
960
961   if (tape.deactivate_display)
962     TapeDeactivateDisplayOn();
963
964   DrawVideoDisplayCurrentState();
965 }
966
967 static void TapeStopWarpForward(void)
968 {
969   tape.fast_forward = FALSE;
970   tape.warp_forward = FALSE;
971   tape.deactivate_display = FALSE;
972
973   tape.pause_before_end = FALSE;
974
975   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
976
977   DrawVideoDisplayCurrentState();
978 }
979
980 static void TapeSingleStep(void)
981 {
982   if (network.enabled)
983     return;
984
985   if (!tape.pausing)
986     TapeTogglePause(TAPE_TOGGLE_MANUAL);
987
988   tape.single_step = !tape.single_step;
989
990   DrawVideoDisplay(VIDEO_STATE_1STEP(tape.single_step), 0);
991 }
992
993 void TapeQuickSave(void)
994 {
995   if (game_status == GAME_MODE_MAIN)
996   {
997     Request("No game that can be saved!", REQ_CONFIRM);
998
999     return;
1000   }
1001
1002   if (game_status != GAME_MODE_PLAYING)
1003     return;
1004
1005   if (tape.recording)
1006     TapeHaltRecording();        // prepare tape for saving on-the-fly
1007
1008   if (TAPE_IS_EMPTY(tape))
1009   {
1010     Request("No tape that can be saved!", REQ_CONFIRM);
1011
1012     return;
1013   }
1014
1015   if (SaveTapeChecked(tape.level_nr))
1016     SaveEngineSnapshotSingle();
1017 }
1018
1019 void TapeQuickLoad(void)
1020 {
1021   char *filename = getTapeFilename(level_nr);
1022
1023   if (!fileExists(filename))
1024   {
1025     Request("No tape for this level!", REQ_CONFIRM);
1026
1027     return;
1028   }
1029
1030   if (tape.recording && !Request("Stop recording and load tape?",
1031                                  REQ_ASK | REQ_STAY_CLOSED))
1032   {
1033     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1034
1035     return;
1036   }
1037
1038   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1039     return;
1040
1041   if (CheckEngineSnapshotSingle())
1042   {
1043     TapeStartGamePlaying();
1044
1045     LoadEngineSnapshotSingle();
1046
1047     DrawCompleteVideoDisplay();
1048
1049     tape.playing = TRUE;
1050     tape.pausing = TRUE;
1051
1052     TapeStopWarpForward();
1053     TapeAppendRecording();
1054
1055     // restart step/move snapshots after quick loading tape
1056     SaveEngineSnapshotToListInitial();
1057
1058     if (FrameCounter > 0)
1059       return;
1060   }
1061
1062   TapeStop();
1063   TapeErase();
1064
1065   LoadTape(level_nr);
1066
1067   if (!TAPE_IS_EMPTY(tape))
1068   {
1069     TapeStartGamePlaying();
1070     TapeStartWarpForward(AUTOPLAY_MODE_WARP_NO_DISPLAY);
1071
1072     tape.quick_resume = TRUE;
1073   }
1074   else  // this should not happen (basically checked above)
1075   {
1076     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1077
1078     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1079   }
1080 }
1081
1082 boolean hasSolutionTape(void)
1083 {
1084   boolean tape_file_exists = fileExists(getSolutionTapeFilename(level_nr));
1085   boolean level_has_tape = (level.game_engine_type == GAME_ENGINE_TYPE_SP &&
1086                             level.native_sp_level->demo.is_available);
1087
1088   return (tape_file_exists || level_has_tape);
1089 }
1090
1091 boolean InsertSolutionTape(void)
1092 {
1093   if (!hasSolutionTape())
1094   {
1095     Request("No solution tape for this level!", REQ_CONFIRM);
1096
1097     return FALSE;
1098   }
1099
1100   if (!TAPE_IS_STOPPED(tape))
1101     TapeStop();
1102
1103   // if tape recorder already contains a tape, remove it without asking
1104   TapeErase();
1105
1106   LoadSolutionTape(level_nr);
1107
1108   DrawCompleteVideoDisplay();
1109
1110   if (TAPE_IS_EMPTY(tape))
1111   {
1112     Request("Loading solution tape for this level failed!", REQ_CONFIRM);
1113
1114     return FALSE;
1115   }
1116
1117   return TRUE;
1118 }
1119
1120 boolean PlaySolutionTape(void)
1121 {
1122   if (!InsertSolutionTape())
1123     return FALSE;
1124
1125   TapeStartGamePlaying();
1126
1127   return TRUE;
1128 }
1129
1130
1131 /* ------------------------------------------------------------------------- *
1132  * tape autoplay functions
1133  * ------------------------------------------------------------------------- */
1134
1135 void AutoPlayTape(void)
1136 {
1137   static LevelDirTree *autoplay_leveldir = NULL;
1138   static boolean autoplay_initialized = FALSE;
1139   static int autoplay_level_nr = -1;
1140   static int num_levels_played = 0;
1141   static int num_levels_solved = 0;
1142   static int num_tape_missing = 0;
1143   static boolean level_failed[MAX_TAPES_PER_SET];
1144   int i;
1145
1146   if (autoplay_initialized)
1147   {
1148     // just finished auto-playing tape
1149     PrintTapeReplayProgress(TRUE);
1150
1151     num_levels_played++;
1152
1153     if (tape.auto_play_level_solved)
1154       num_levels_solved++;
1155     else if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1156       level_failed[level_nr] = TRUE;
1157   }
1158   else
1159   {
1160     DrawCompleteVideoDisplay();
1161
1162     audio.sound_enabled = FALSE;
1163     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1164
1165     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1166                                                   global.autoplay_leveldir);
1167
1168     if (autoplay_leveldir == NULL)
1169       Error(ERR_EXIT, "no such level identifier: '%s'",
1170             global.autoplay_leveldir);
1171
1172     leveldir_current = autoplay_leveldir;
1173
1174     if (autoplay_leveldir->first_level < 0)
1175       autoplay_leveldir->first_level = 0;
1176     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1177       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1178
1179     autoplay_level_nr = autoplay_leveldir->first_level;
1180
1181     PrintLine("=", 79);
1182     Print("Automatically playing level tapes\n");
1183     PrintLine("-", 79);
1184     Print("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1185     Print("Level series name:       '%s'\n", autoplay_leveldir->name);
1186     Print("Level series author:     '%s'\n", autoplay_leveldir->author);
1187     Print("Number of levels:        %d\n",   autoplay_leveldir->levels);
1188     PrintLine("=", 79);
1189     Print("\n");
1190
1191     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1192       level_failed[i] = FALSE;
1193
1194     autoplay_initialized = TRUE;
1195   }
1196
1197   while (autoplay_level_nr <= autoplay_leveldir->last_level)
1198   {
1199     level_nr = autoplay_level_nr++;
1200
1201     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1202       continue;
1203
1204     TapeErase();
1205
1206     LoadLevel(level_nr);
1207
1208     if (level.no_level_file || level.no_valid_file)
1209     {
1210       Print("Level %03d: (no level)\n", level_nr);
1211
1212       continue;
1213     }
1214
1215 #if 0
1216     // ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY
1217     Print("Level %03d: (only testing level)\n", level_nr);
1218     continue;
1219 #endif
1220
1221     if (options.mytapes)
1222       LoadTape(level_nr);
1223     else
1224       LoadSolutionTape(level_nr);
1225
1226     if (tape.no_valid_file)
1227     {
1228       num_tape_missing++;
1229
1230       Print("Level %03d: (no tape)\n", level_nr);
1231
1232       continue;
1233     }
1234
1235     InitCounter();
1236
1237     TapeStartGamePlaying();
1238     TapeStartWarpForward(global.autoplay_mode);
1239
1240     return;
1241   }
1242
1243   Print("\n");
1244   PrintLine("=", 79);
1245   Print("Number of levels played: %d\n", num_levels_played);
1246   Print("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1247          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1248   PrintLine("-", 79);
1249   Print("Summary (for automatic parsing by scripts):\n");
1250   Print("LEVELDIR '%s', SOLVED %d/%d (%d%%)",
1251          autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1252          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1253
1254   if (num_levels_played != num_levels_solved)
1255   {
1256     Print(", FAILED:");
1257     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1258       if (level_failed[i])
1259         Print(" %03d", i);
1260   }
1261
1262   Print("\n");
1263   PrintLine("=", 79);
1264
1265   CloseAllAndExit(0);
1266 }
1267
1268
1269 // ---------- new tape button stuff -------------------------------------------
1270
1271 static struct
1272 {
1273   int graphic;
1274   struct XY *pos;
1275   int gadget_id;
1276   char *infotext;
1277 } tapebutton_info[NUM_TAPE_BUTTONS] =
1278 {
1279   {
1280     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1281     TAPE_CTRL_ID_EJECT,                 "eject tape"
1282   },
1283   {
1284     // (same position as "eject" button)
1285     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1286     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1287   },
1288   {
1289     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1290     TAPE_CTRL_ID_STOP,                  "stop tape"
1291   },
1292   {
1293     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1294     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1295   },
1296   {
1297     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1298     TAPE_CTRL_ID_RECORD,                "record tape"
1299   },
1300   {
1301     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1302     TAPE_CTRL_ID_PLAY,                  "play tape"
1303   },
1304   {
1305     IMG_GFX_TAPE_BUTTON_INSERT_SOLUTION,&tape.button.insert_solution,
1306     TAPE_CTRL_ID_INSERT_SOLUTION,       "insert solution tape"
1307   },
1308   {
1309     IMG_GFX_TAPE_BUTTON_PLAY_SOLUTION,  &tape.button.play_solution,
1310     TAPE_CTRL_ID_PLAY_SOLUTION,         "play solution tape"
1311   }
1312 };
1313
1314 void CreateTapeButtons(void)
1315 {
1316   int i;
1317
1318   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1319   {
1320     int graphic = tapebutton_info[i].graphic;
1321     struct GraphicInfo *gfx = &graphic_info[graphic];
1322     struct XY *pos = tapebutton_info[i].pos;
1323     struct GadgetInfo *gi;
1324     int gd_x = gfx->src_x;
1325     int gd_y = gfx->src_y;
1326     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1327     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1328     int id = i;
1329
1330     gi = CreateGadget(GDI_CUSTOM_ID, id,
1331                       GDI_IMAGE_ID, graphic,
1332                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1333                       GDI_X, VX + pos->x,
1334                       GDI_Y, VY + pos->y,
1335                       GDI_WIDTH, gfx->width,
1336                       GDI_HEIGHT, gfx->height,
1337                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1338                       GDI_STATE, GD_BUTTON_UNPRESSED,
1339                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1340                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1341                       GDI_DIRECT_DRAW, FALSE,
1342                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1343                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1344                       GDI_END);
1345
1346     if (gi == NULL)
1347       Error(ERR_EXIT, "cannot create gadget");
1348
1349     tape_gadget[id] = gi;
1350   }
1351 }
1352
1353 void FreeTapeButtons(void)
1354 {
1355   int i;
1356
1357   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1358     FreeGadget(tape_gadget[i]);
1359 }
1360
1361 void MapTapeEjectButton(void)
1362 {
1363   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1364   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1365 }
1366
1367 void MapTapeWarpButton(void)
1368 {
1369   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1370   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1371 }
1372
1373 void MapTapeButtons(void)
1374 {
1375   int i;
1376
1377   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1378     if (i != TAPE_CTRL_ID_EXTRA)
1379       MapGadget(tape_gadget[i]);
1380
1381   if (tape.recording || tape.playing)
1382     MapTapeWarpButton();
1383
1384   if (tape.show_game_buttons)
1385     MapGameButtonsOnTape();
1386 }
1387
1388 void UnmapTapeButtons(void)
1389 {
1390   int i;
1391
1392   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1393     UnmapGadget(tape_gadget[i]);
1394
1395   if (tape.show_game_buttons)
1396     UnmapGameButtonsOnTape();
1397 }
1398
1399 void RedrawTapeButtons(void)
1400 {
1401   int i;
1402
1403   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1404     RedrawGadget(tape_gadget[i]);
1405
1406   if (tape.show_game_buttons)
1407     RedrawGameButtonsOnTape();
1408
1409   // RedrawGadget() may have set REDRAW_ALL if buttons are defined off-area
1410   redraw_mask &= ~REDRAW_ALL;
1411 }
1412
1413 void RedrawOrRemapTapeButtons(void)
1414 {
1415   if (tape_gadget[TAPE_CTRL_ID_PLAY]->mapped)
1416   {
1417     // tape buttons already mapped
1418     RedrawTapeButtons();
1419   }
1420   else
1421   {
1422     UnmapTapeButtons();
1423     MapTapeButtons();
1424   }
1425 }
1426
1427 static void HandleTapeButtonsExt(int id)
1428 {
1429   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1430     return;
1431
1432   switch (id)
1433   {
1434     case TAPE_CTRL_ID_EJECT:
1435       TapeStop();
1436
1437       if (TAPE_IS_EMPTY(tape))
1438       {
1439         LoadTape(level_nr);
1440
1441         if (TAPE_IS_EMPTY(tape))
1442           Request("No tape for this level!", REQ_CONFIRM);
1443       }
1444       else
1445       {
1446         if (tape.changed)
1447           SaveTapeChecked(level_nr);
1448
1449         TapeErase();
1450       }
1451
1452       DrawCompleteVideoDisplay();
1453       break;
1454
1455     case TAPE_CTRL_ID_EXTRA:
1456       if (tape.playing)
1457       {
1458         tape.pause_before_end = !tape.pause_before_end;
1459
1460         DrawVideoDisplayCurrentState();
1461       }
1462       else if (tape.recording)
1463       {
1464         TapeSingleStep();
1465       }
1466
1467       break;
1468
1469     case TAPE_CTRL_ID_STOP:
1470       TapeStop();
1471
1472       break;
1473
1474     case TAPE_CTRL_ID_PAUSE:
1475       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1476
1477       break;
1478
1479     case TAPE_CTRL_ID_RECORD:
1480       if (TAPE_IS_STOPPED(tape))
1481       {
1482         TapeStartGameRecording();
1483       }
1484       else if (tape.pausing)
1485       {
1486         if (tape.playing)                       // PLAY -> PAUSE -> RECORD
1487           TapeAppendRecording();
1488         else
1489           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1490       }
1491
1492       break;
1493
1494     case TAPE_CTRL_ID_PLAY:
1495       if (tape.recording && tape.pausing)       // PAUSE -> RECORD
1496       {
1497         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
1498
1499         TapeTogglePause(TAPE_TOGGLE_MANUAL);
1500       }
1501
1502       if (TAPE_IS_EMPTY(tape))
1503         break;
1504
1505       if (TAPE_IS_STOPPED(tape))
1506       {
1507         TapeStartGamePlaying();
1508       }
1509       else if (tape.playing)
1510       {
1511         if (tape.pausing)                       // PAUSE -> PLAY
1512         {
1513           TapeTogglePause(TAPE_TOGGLE_MANUAL | TAPE_TOGGLE_PLAY_PAUSE);
1514         }
1515         else if (!tape.fast_forward)            // PLAY -> FFWD
1516         {
1517           tape.fast_forward = TRUE;
1518         }
1519         else if (!tape.warp_forward)            // FFWD -> WARP
1520         {
1521           tape.warp_forward = TRUE;
1522         }
1523         else if (!tape.deactivate_display)      // WARP -> WARP BLIND
1524         {
1525           tape.deactivate_display = TRUE;
1526
1527           TapeDeactivateDisplayOn();
1528         }
1529         else                                    // WARP BLIND -> PLAY
1530         {
1531           tape.fast_forward = FALSE;
1532           tape.warp_forward = FALSE;
1533           tape.deactivate_display = FALSE;
1534
1535           TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
1536         }
1537
1538         DrawVideoDisplayCurrentState();
1539       }
1540
1541       break;
1542
1543     case TAPE_CTRL_ID_INSERT_SOLUTION:
1544       InsertSolutionTape();
1545
1546       break;
1547
1548     case TAPE_CTRL_ID_PLAY_SOLUTION:
1549       PlaySolutionTape();
1550
1551       break;
1552
1553     default:
1554       break;
1555   }
1556 }
1557
1558 static void HandleTapeButtons(struct GadgetInfo *gi)
1559 {
1560   HandleTapeButtonsExt(gi->custom_id);
1561 }
1562
1563 void HandleTapeButtonKeys(Key key)
1564 {
1565   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
1566   boolean extra_button_is_active = !eject_button_is_active;
1567
1568   if (key == setup.shortcut.tape_eject && eject_button_is_active)
1569     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
1570   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
1571     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
1572   else if (key == setup.shortcut.tape_stop)
1573     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
1574   else if (key == setup.shortcut.tape_pause)
1575     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
1576   else if (key == setup.shortcut.tape_record)
1577     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
1578   else if (key == setup.shortcut.tape_play)
1579     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
1580 }