added step-based engine snapshots to undo/redo game steps
[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 "cartoons.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 /* some positions in the video tape control window */
49 #define VIDEO_DATE_LABEL_XPOS           (VIDEO_DISPLAY1_XPOS)
50 #define VIDEO_DATE_LABEL_YPOS           (VIDEO_DISPLAY1_YPOS)
51 #define VIDEO_DATE_LABEL_XSIZE          (VIDEO_DISPLAY_XSIZE)
52 #define VIDEO_DATE_LABEL_YSIZE          (VIDEO_DISPLAY_YSIZE)
53 #define VIDEO_DATE_XPOS                 (VIDEO_DISPLAY1_XPOS + 2)
54 #define VIDEO_DATE_YPOS                 (VIDEO_DISPLAY1_YPOS + 14)
55 #define VIDEO_DATE_XSIZE                (VIDEO_DISPLAY_XSIZE)
56 #define VIDEO_DATE_YSIZE                16
57 #define VIDEO_REC_LABEL_XPOS            (VIDEO_DISPLAY2_XPOS)
58 #define VIDEO_REC_LABEL_YPOS            (VIDEO_DISPLAY2_YPOS)
59 #define VIDEO_REC_LABEL_XSIZE           20
60 #define VIDEO_REC_LABEL_YSIZE           12
61 #define VIDEO_REC_SYMBOL_XPOS           (VIDEO_DISPLAY2_XPOS + 20)
62 #define VIDEO_REC_SYMBOL_YPOS           (VIDEO_DISPLAY2_YPOS)
63 #define VIDEO_REC_SYMBOL_XSIZE          16
64 #define VIDEO_REC_SYMBOL_YSIZE          16
65 #define VIDEO_PLAY_LABEL_XPOS           (VIDEO_DISPLAY2_XPOS + 65)
66 #define VIDEO_PLAY_LABEL_YPOS           (VIDEO_DISPLAY2_YPOS)
67 #define VIDEO_PLAY_LABEL_XSIZE          22
68 #define VIDEO_PLAY_LABEL_YSIZE          12
69 #define VIDEO_PLAY_SYMBOL_XPOS          (VIDEO_DISPLAY2_XPOS + 52)
70 #define VIDEO_PLAY_SYMBOL_YPOS          (VIDEO_DISPLAY2_YPOS)
71 #define VIDEO_PLAY_SYMBOL_XSIZE         11
72 #define VIDEO_PLAY_SYMBOL_YSIZE         13
73 #define VIDEO_PAUSE_LABEL_XPOS          (VIDEO_DISPLAY2_XPOS)
74 #define VIDEO_PAUSE_LABEL_YPOS          (VIDEO_DISPLAY2_YPOS + 20)
75 #define VIDEO_PAUSE_LABEL_XSIZE         35
76 #define VIDEO_PAUSE_LABEL_YSIZE         8
77 #define VIDEO_PAUSE_SYMBOL_XPOS         (VIDEO_DISPLAY2_XPOS + 35)
78 #define VIDEO_PAUSE_SYMBOL_YPOS         (VIDEO_DISPLAY2_YPOS)
79 #define VIDEO_PAUSE_SYMBOL_XSIZE        17
80 #define VIDEO_PAUSE_SYMBOL_YSIZE        13
81 #define VIDEO_TIME_XPOS                 (VIDEO_DISPLAY2_XPOS + 39)
82 #define VIDEO_TIME_YPOS                 (VIDEO_DISPLAY2_YPOS + 14)
83 #define VIDEO_TIME_XSIZE                50
84 #define VIDEO_TIME_YSIZE                16
85
86 /* some default values for tape labels and symbols */
87 #define VIDEO_LABEL_XPOS                5
88 #define VIDEO_LABEL_YPOS                42
89 #define VIDEO_LABEL_XSIZE               40
90 #define VIDEO_LABEL_YSIZE               28
91 #define VIDEO_SYMBOL_XPOS               39
92 #define VIDEO_SYMBOL_YPOS               42
93 #define VIDEO_SYMBOL_XSIZE              56
94 #define VIDEO_SYMBOL_YSIZE              13
95
96 /* values for certain tape labels and symbols */
97 #define VIDEO_FFWD_LABEL_XPOS           VIDEO_LABEL_XPOS
98 #define VIDEO_FFWD_LABEL_YPOS           193
99 #define VIDEO_FFWD_LABEL_XSIZE          VIDEO_LABEL_XSIZE
100 #define VIDEO_FFWD_LABEL_YSIZE          VIDEO_LABEL_YSIZE
101 #define VIDEO_FFWD_SYMBOL_XPOS          VIDEO_SYMBOL_XPOS
102 #define VIDEO_FFWD_SYMBOL_YPOS          193
103 #define VIDEO_FFWD_SYMBOL_XSIZE         27
104 #define VIDEO_FFWD_SYMBOL_YSIZE         VIDEO_SYMBOL_YSIZE
105
106 #define VIDEO_PBEND_LABEL_XPOS          VIDEO_LABEL_XPOS
107 #define VIDEO_PBEND_LABEL_YPOS          221
108 #define VIDEO_PBEND_LABEL_XSIZE         VIDEO_LABEL_XSIZE
109 #define VIDEO_PBEND_LABEL_YSIZE         VIDEO_LABEL_YSIZE
110 #define VIDEO_PBEND_SYMBOL_XPOS         VIDEO_SYMBOL_XPOS
111 #define VIDEO_PBEND_SYMBOL_YPOS         221
112 #define VIDEO_PBEND_SYMBOL_XSIZE        27
113 #define VIDEO_PBEND_SYMBOL_YSIZE        VIDEO_SYMBOL_YSIZE
114
115 #define VIDEO_WARP_LABEL_XPOS           VIDEO_LABEL_XPOS
116 #define VIDEO_WARP_LABEL_YPOS           165
117 #define VIDEO_WARP_LABEL_XSIZE          VIDEO_LABEL_XSIZE
118 #define VIDEO_WARP_LABEL_YSIZE          VIDEO_LABEL_YSIZE
119 #define VIDEO_WARP_SYMBOL_XPOS          VIDEO_SYMBOL_XPOS
120 #define VIDEO_WARP_SYMBOL_YPOS          165
121 #define VIDEO_WARP_SYMBOL_XSIZE         27
122 #define VIDEO_WARP_SYMBOL_YSIZE         VIDEO_SYMBOL_YSIZE
123 #define VIDEO_WARP2_SYMBOL_XPOS         VIDEO_SYMBOL_XPOS
124 #define VIDEO_WARP2_SYMBOL_YPOS         152
125 #define VIDEO_WARP2_SYMBOL_XSIZE        27
126 #define VIDEO_WARP2_SYMBOL_YSIZE        VIDEO_SYMBOL_YSIZE
127
128 #define VIDEO_1STEP_SYMBOL_XPOS         (VIDEO_SYMBOL_XPOS + 18)
129 #define VIDEO_1STEP_SYMBOL_YPOS         139
130 #define VIDEO_1STEP_SYMBOL_XSIZE        (VIDEO_SYMBOL_XSIZE - 18)
131 #define VIDEO_1STEP_SYMBOL_YSIZE        VIDEO_SYMBOL_YSIZE
132
133 #define PG_X3(x)                        (DOOR_GFX_PAGEX3 + (x))
134 #define PG_X4(x)                        (DOOR_GFX_PAGEX4 + (x))
135 #define PG_X5(x)                        (DOOR_GFX_PAGEX5 + (x))
136 #define PG_X6(x)                        (DOOR_GFX_PAGEX6 + (x))
137
138 #define PG_Y1(y)                        (DOOR_GFX_PAGEY1 + (y))
139 #define PG_Y2(y)                        (DOOR_GFX_PAGEY2 + (y))
140
141 #define VIDEO_INFO_OFF                  (VIDEO_STATE_DATE_OFF   |       \
142                                          VIDEO_STATE_TIME_OFF   |       \
143                                          VIDEO_STATE_FRAME_OFF)
144 #define VIDEO_STATE_OFF                 (VIDEO_STATE_PLAY_OFF   |       \
145                                          VIDEO_STATE_REC_OFF    |       \
146                                          VIDEO_STATE_PAUSE_OFF  |       \
147                                          VIDEO_STATE_FFWD_OFF   |       \
148                                          VIDEO_STATE_PBEND_OFF  |       \
149                                          VIDEO_STATE_1STEP_OFF)
150 #define VIDEO_PRESS_OFF                 (VIDEO_PRESS_PLAY_OFF   |       \
151                                          VIDEO_PRESS_REC_OFF    |       \
152                                          VIDEO_PRESS_PAUSE_OFF  |       \
153                                          VIDEO_PRESS_STOP_OFF   |       \
154                                          VIDEO_PRESS_EJECT_OFF)
155 #define VIDEO_ALL_OFF                   (VIDEO_INFO_OFF         |       \
156                                          VIDEO_STATE_OFF        |       \
157                                          VIDEO_PRESS_OFF)
158
159 #define VIDEO_INFO_ON                   (VIDEO_STATE_DATE_ON    |       \
160                                          VIDEO_STATE_TIME_ON    |       \
161                                          VIDEO_STATE_FRAME_ON)
162 #define VIDEO_STATE_ON                  (VIDEO_STATE_PLAY_ON    |       \
163                                          VIDEO_STATE_REC_ON     |       \
164                                          VIDEO_STATE_PAUSE_ON   |       \
165                                          VIDEO_STATE_FFWD_ON    |       \
166                                          VIDEO_STATE_PBEND_ON   |       \
167                                          VIDEO_STATE_1STEP_ON)
168 #define VIDEO_PRESS_ON                  (VIDEO_PRESS_PLAY_ON    |       \
169                                          VIDEO_PRESS_REC_ON     |       \
170                                          VIDEO_PRESS_PAUSE_ON   |       \
171                                          VIDEO_PRESS_STOP_ON    |       \
172                                          VIDEO_PRESS_EJECT_ON)
173 #define VIDEO_ALL_ON                    (VIDEO_INFO_ON          |       \
174                                          VIDEO_STATE_ON         |       \
175                                          VIDEO_PRESS_ON)
176
177 #define VIDEO_INFO                      (VIDEO_INFO_ON | VIDEO_INFO_OFF)
178 #define VIDEO_STATE                     (VIDEO_STATE_ON | VIDEO_STATE_OFF)
179 #define VIDEO_PRESS                     (VIDEO_PRESS_ON | VIDEO_PRESS_OFF)
180 #define VIDEO_ALL                       (VIDEO_ALL_ON | VIDEO_ALL_OFF)
181
182 #define NUM_TAPE_FUNCTIONS              11
183 #define NUM_TAPE_FUNCTION_PARTS         2
184 #define NUM_TAPE_FUNCTION_STATES        2
185
186
187 /* ========================================================================= */
188 /* video display functions                                                   */
189 /* ========================================================================= */
190
191 static void DrawVideoDisplay_Graphics(unsigned int state, unsigned int value)
192 {
193   int i, j, k;
194
195   static struct
196   {
197     int graphic;
198     struct XY *pos;
199   }
200   video_pos[NUM_TAPE_FUNCTIONS][NUM_TAPE_FUNCTION_PARTS] =
201   {
202     {
203       { IMG_TAPE_LABEL_GFX_PLAY,                &tape.label.play        },
204       { IMG_TAPE_SYMBOL_GFX_PLAY,               &tape.symbol.play       },
205     },
206     {
207       { IMG_TAPE_LABEL_GFX_RECORD,              &tape.label.record      },
208       { IMG_TAPE_SYMBOL_GFX_RECORD,             &tape.symbol.record     },
209     },
210     {
211       { IMG_TAPE_LABEL_GFX_PAUSE,               &tape.label.pause       },
212       { IMG_TAPE_SYMBOL_GFX_PAUSE,              &tape.symbol.pause      },
213     },
214     {
215       { IMG_TAPE_LABEL_GFX_DATE,                &tape.label.date        },
216       { -1,                                     NULL                    },
217     },
218     {
219       { IMG_TAPE_LABEL_GFX_TIME,                &tape.label.time        },
220       { -1,                                     NULL                    },
221     },
222     {
223       /* (no label for displaying optional frame) */
224       { -1,                                     NULL                    },
225       { -1,                                     NULL                    },
226     },
227     {
228       { IMG_TAPE_LABEL_GFX_FAST_FORWARD,        &tape.label.fast_forward  },
229       { IMG_TAPE_SYMBOL_GFX_FAST_FORWARD,       &tape.symbol.fast_forward },
230     },
231     {
232       { IMG_TAPE_LABEL_GFX_PAUSE_BEFORE_END,    &tape.label.pause_before_end  },
233       { IMG_TAPE_SYMBOL_GFX_PAUSE_BEFORE_END,   &tape.symbol.pause_before_end },
234     },
235     {
236       { IMG_TAPE_LABEL_GFX_WARP_FORWARD_BLIND,  &tape.label.warp_forward_blind},
237       { IMG_TAPE_SYMBOL_GFX_WARP_FORWARD_BLIND, &tape.symbol.warp_forward_blind},
238     },
239     {
240       { IMG_TAPE_LABEL_GFX_WARP_FORWARD,        &tape.label.warp_forward  },
241       { IMG_TAPE_SYMBOL_GFX_WARP_FORWARD,       &tape.symbol.warp_forward },
242     },
243     {
244       { IMG_TAPE_LABEL_GFX_SINGLE_STEP,         &tape.label.single_step  },
245       { IMG_TAPE_SYMBOL_GFX_SINGLE_STEP,        &tape.symbol.single_step },
246     },
247   };
248
249   for (k = 0; k < NUM_TAPE_FUNCTION_STATES; k++)        /* on or off states */
250   {
251     for (i = 0; i < NUM_TAPE_FUNCTIONS; i++)            /* record, play, ... */
252     {
253       for (j = 0; j < NUM_TAPE_FUNCTION_PARTS; j++)     /* label or symbol */
254       {
255         int graphic = video_pos[i][j].graphic;
256         struct XY *pos = video_pos[i][j].pos;
257
258         if (graphic == -1 ||
259             pos->x == -1 ||
260             pos->y == -1)
261           continue;
262
263         if (state & (1 << (i * 2 + k)))
264         {
265           struct GraphicInfo *gfx_bg = &graphic_info[IMG_BACKGROUND_TAPE];
266           struct GraphicInfo *gfx = &graphic_info[graphic];
267           Bitmap *gd_bitmap;
268           int gd_x, gd_y;
269           int skip_value =
270             (j == 0 ? VIDEO_DISPLAY_SYMBOL_ONLY : VIDEO_DISPLAY_LABEL_ONLY);
271
272           if (value == skip_value)
273             continue;
274
275           if (k == 1)           /* on */
276           {
277             gd_bitmap = gfx->bitmap;
278             gd_x = gfx->src_x;
279             gd_y = gfx->src_y;
280           }
281           else                  /* off */
282           {
283             gd_bitmap = gfx_bg->bitmap;
284             gd_x = gfx_bg->src_x + pos->x;
285             gd_y = gfx_bg->src_y + pos->y;
286           }
287
288           /* some tape graphics may be undefined -- only draw if defined */
289           if (gd_bitmap != NULL)
290             BlitBitmap(gd_bitmap, drawto, gd_x, gd_y, gfx->width, gfx->height,
291                        VX + pos->x, VY + pos->y);
292         }
293       }
294     }
295   }
296 }
297
298
299 #define DATETIME_NONE                   (0)
300
301 #define DATETIME_DATE_YYYY              (1 << 0)
302 #define DATETIME_DATE_YY                (1 << 1)
303 #define DATETIME_DATE_MON               (1 << 2)
304 #define DATETIME_DATE_MM                (1 << 3)
305 #define DATETIME_DATE_DD                (1 << 4)
306
307 #define DATETIME_TIME_HH                (1 << 5)
308 #define DATETIME_TIME_MIN               (1 << 6)
309 #define DATETIME_TIME_MM                (1 << 7)
310 #define DATETIME_TIME_SS                (1 << 8)
311
312 #define DATETIME_FRAME                  (1 << 9)
313
314 #define DATETIME_XOFFSET_1              (1 << 10)
315 #define DATETIME_XOFFSET_2              (1 << 11)
316
317 #define DATETIME_DATE                   (DATETIME_DATE_YYYY     |       \
318                                          DATETIME_DATE_YY       |       \
319                                          DATETIME_DATE_MON      |       \
320                                          DATETIME_DATE_MM       |       \
321                                          DATETIME_DATE_DD)
322
323 #define DATETIME_TIME                   (DATETIME_TIME_HH       |       \
324                                          DATETIME_TIME_MIN      |       \
325                                          DATETIME_TIME_MM       |       \
326                                          DATETIME_TIME_SS)
327
328 #define MAX_DATETIME_STRING_SIZE        32
329
330 static void DrawVideoDisplay_DateTime(unsigned int state, unsigned int value)
331 {
332   int i;
333
334   static char *month_shortnames[] =
335   {
336     "JAN",
337     "FEB",
338     "MAR",
339     "APR",
340     "MAY",
341     "JUN",
342     "JUL",
343     "AUG",
344     "SEP",
345     "OCT",
346     "NOV",
347     "DEC"
348   };
349
350   static struct
351   {
352     struct TextPosInfo *pos;
353     int type;
354   }
355   datetime_info[] =
356   {
357     { &tape.text.date,          DATETIME_DATE_DD                        },
358     { &tape.text.date,          DATETIME_DATE_MON | DATETIME_XOFFSET_1  },
359     { &tape.text.date,          DATETIME_DATE_YY  | DATETIME_XOFFSET_2  },
360     { &tape.text.date_yyyy,     DATETIME_DATE_YYYY                      },
361     { &tape.text.date_yy,       DATETIME_DATE_YY                        },
362     { &tape.text.date_mon,      DATETIME_DATE_MON                       },
363     { &tape.text.date_mm,       DATETIME_DATE_MM                        },
364     { &tape.text.date_dd,       DATETIME_DATE_DD                        },
365
366     { &tape.text.time,          DATETIME_TIME_MIN                       },
367     { &tape.text.time,          DATETIME_TIME_SS  | DATETIME_XOFFSET_1  },
368     { &tape.text.time_hh,       DATETIME_TIME_HH                        },
369     { &tape.text.time_mm,       DATETIME_TIME_MM                        },
370     { &tape.text.time_ss,       DATETIME_TIME_SS                        },
371
372     { &tape.text.frame,         DATETIME_FRAME                          },
373
374     { NULL,                     DATETIME_NONE                           },
375   };
376
377   for (i = 0; datetime_info[i].pos != NULL; i++)
378   {
379     struct TextPosInfo *pos = datetime_info[i].pos;
380     int type = datetime_info[i].type;
381     int xpos, ypos;
382
383     if (pos->x == -1 &&
384         pos->y == -1)
385       continue;
386
387     xpos = VX + pos->x + (type & DATETIME_XOFFSET_1 ? pos->xoffset  :
388                           type & DATETIME_XOFFSET_2 ? pos->xoffset2 : 0);
389     ypos = VY + pos->y;
390
391     if ((type & DATETIME_DATE) && (state & VIDEO_STATE_DATE_ON))
392     {
393       char s[MAX_DATETIME_STRING_SIZE];
394       int year2 = value / 10000;
395       int year4 = (year2 < 70 ? 2000 + year2 : 1900 + year2);
396       int month_index = (value / 100) % 100;
397       int month = month_index + 1;
398       int day = value % 100;
399
400       strcpy(s, (type & DATETIME_DATE_YYYY ? int2str(year4, 4) :
401                  type & DATETIME_DATE_YY   ? int2str(year2, 2) :
402                  type & DATETIME_DATE_MON  ? month_shortnames[month_index] :
403                  type & DATETIME_DATE_MM   ? int2str(month, 2) :
404                  type & DATETIME_DATE_DD   ? int2str(day, 2) : ""));
405
406       DrawText(xpos, ypos, s, pos->font);
407     }
408     else if ((type & DATETIME_TIME) && (state & VIDEO_STATE_TIME_ON))
409     {
410       char s[MAX_DATETIME_STRING_SIZE];
411       int hh = (value / 3600) % 100;
412       int min = value / 60;
413       int mm = (value / 60) % 60;
414       int ss = value % 60;
415
416       strcpy(s, (type & DATETIME_TIME_HH  ? int2str(hh, 2) :
417                  type & DATETIME_TIME_MIN ? int2str(min, 2) :
418                  type & DATETIME_TIME_MM  ? int2str(mm, 2) :
419                  type & DATETIME_TIME_SS  ? int2str(ss, 2) : ""));
420
421       DrawText(xpos, ypos, s, pos->font);
422     }
423     else if ((type & DATETIME_FRAME) && (state & VIDEO_STATE_FRAME_ON))
424     {
425       DrawText(xpos, ypos, int2str(value, pos->size), pos->font);
426     }
427   }
428 }
429
430 void DrawVideoDisplay(unsigned int state, unsigned int value)
431 {
432   DrawVideoDisplay_Graphics(state, value);
433   DrawVideoDisplay_DateTime(state, value);
434
435   redraw_mask |= REDRAW_DOOR_2;
436 }
437
438 void DrawCompleteVideoDisplay()
439 {
440   struct GraphicInfo *g_tape = &graphic_info[IMG_BACKGROUND_TAPE];
441
442   /* draw tape background */
443   BlitBitmap(g_tape->bitmap, drawto, g_tape->src_x, g_tape->src_y,
444              gfx.vxsize, gfx.vysize, gfx.vx, gfx.vy);
445
446   /* draw tape buttons (forced) */
447   UnmapTapeButtons();
448   MapTapeButtons();
449
450   DrawVideoDisplay(VIDEO_ALL_OFF, 0);
451
452   if (tape.recording)
453   {
454     DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
455     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
456     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
457     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
458
459     if (tape.pausing)
460       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
461   }
462   else if (tape.playing)
463   {
464     DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
465     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
466     DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
467     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
468
469     if (tape.pausing)
470       DrawVideoDisplay(VIDEO_STATE_PAUSE_ON, 0);
471   }
472   else if (tape.date && tape.length)
473   {
474     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
475     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
476     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
477   }
478
479   BlitBitmap(drawto, bitmap_db_door_2, gfx.vx, gfx.vy, gfx.vxsize, gfx.vysize,
480              0, 0);
481 }
482
483 void TapeDeactivateDisplayOn()
484 {
485   SetDrawDeactivationMask(REDRAW_FIELD);
486   audio.sound_deactivated = TRUE;
487 }
488
489 void TapeDeactivateDisplayOff(boolean redraw_display)
490 {
491   SetDrawDeactivationMask(REDRAW_NONE);
492   audio.sound_deactivated = FALSE;
493
494   if (redraw_display)
495   {
496     RedrawPlayfield(TRUE, 0,0,0,0);
497     DrawGameDoorValues();
498   }
499 }
500
501
502 /* ========================================================================= */
503 /* tape control functions                                                    */
504 /* ========================================================================= */
505
506 void TapeSetDateFromEpochSeconds(time_t epoch_seconds)
507 {
508   struct tm *lt = localtime(&epoch_seconds);
509
510   tape.date = 10000 * (lt->tm_year % 100) + 100 * lt->tm_mon + lt->tm_mday;
511 }
512
513 void TapeSetDateFromNow()
514 {
515   TapeSetDateFromEpochSeconds(time(NULL));
516 }
517
518 void TapeErase()
519 {
520   int i;
521
522   tape.counter = 0;
523   tape.length = 0;
524   tape.length_frames = 0;
525   tape.length_seconds = 0;
526
527   if (leveldir_current)
528     setString(&tape.level_identifier, leveldir_current->identifier);
529
530   tape.level_nr = level_nr;
531   tape.pos[tape.counter].delay = 0;
532   tape.changed = TRUE;
533
534   tape.random_seed = InitRND(level.random_seed);
535
536   tape.file_version = FILE_VERSION_ACTUAL;
537   tape.game_version = GAME_VERSION_ACTUAL;
538   tape.engine_version = level.game_version;
539
540   TapeSetDateFromNow();
541
542   for (i = 0; i < MAX_PLAYERS; i++)
543     tape.player_participates[i] = FALSE;
544
545   tape.centered_player_nr_next = -1;
546   tape.set_centered_player = FALSE;
547 }
548
549 static void TapeRewind()
550 {
551   tape.counter = 0;
552   tape.delay_played = 0;
553   tape.pause_before_death = FALSE;
554   tape.recording = FALSE;
555   tape.playing = FALSE;
556   tape.fast_forward = FALSE;
557   tape.warp_forward = FALSE;
558   tape.deactivate_display = FALSE;
559   tape.auto_play = (global.autoplay_leveldir != NULL);
560   tape.auto_play_level_solved = FALSE;
561   tape.quick_resume = FALSE;
562   tape.single_step = FALSE;
563
564   tape.centered_player_nr_next = -1;
565   tape.set_centered_player = FALSE;
566
567   InitRND(tape.random_seed);
568 }
569
570 static void TapeSetRandomSeed(int random_seed)
571 {
572   tape.random_seed = InitRND(random_seed);
573 }
574
575 void TapeStartRecording(int random_seed)
576 {
577   if (!TAPE_IS_STOPPED(tape))
578     TapeStop();
579
580   TapeErase();
581   TapeRewind();
582   TapeSetRandomSeed(random_seed);
583
584   tape.recording = TRUE;
585
586   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
587   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
588   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
589   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
590
591   MapTapeWarpButton();
592
593   SetDrawDeactivationMask(REDRAW_NONE);
594   audio.sound_deactivated = FALSE;
595 }
596
597 static void TapeStartGameRecording()
598 {
599   TapeStartRecording(level.random_seed);
600
601 #if defined(NETWORK_AVALIABLE)
602   if (options.network)
603   {
604     SendToServer_StartPlaying();
605
606     return;
607   }
608 #endif
609
610   InitGame();
611 }
612
613 static void TapeAppendRecording()
614 {
615   if (!tape.playing || !tape.pausing)
616     return;
617
618   tape.pos[tape.counter].delay = tape.delay_played;
619   tape.playing = FALSE;
620   tape.recording = TRUE;
621   tape.changed = TRUE;
622
623   TapeSetDateFromNow();
624
625   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
626   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON, 0);
627
628   UpdateAndDisplayGameControlValues();
629 }
630
631 void TapeHaltRecording()
632 {
633   if (!tape.recording)
634     return;
635
636   tape.counter++;
637   tape.pos[tape.counter].delay = 0;
638
639   tape.length = tape.counter;
640   tape.length_frames = GetTapeLengthFrames();
641   tape.length_seconds = GetTapeLengthSeconds();
642 }
643
644 void TapeStopRecording()
645 {
646   TapeHaltRecording();
647
648   tape.recording = FALSE;
649   tape.pausing = FALSE;
650
651   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
652   MapTapeEjectButton();
653 }
654
655 void TapeRecordAction(byte action_raw[MAX_PLAYERS])
656 {
657   byte action[MAX_PLAYERS];
658   int i;
659
660   if (!tape.recording)          /* (record action even when tape is paused) */
661     return;
662
663   if (tape.counter >= MAX_TAPE_LEN - 1)
664   {
665     TapeStopRecording();
666     return;
667   }
668
669   for (i = 0; i < MAX_PLAYERS; i++)
670     action[i] = action_raw[i];
671
672   if (tape.set_centered_player)
673   {
674     for (i = 0; i < MAX_PLAYERS; i++)
675       if (tape.centered_player_nr_next == i ||
676           tape.centered_player_nr_next == -1)
677         action[i] |= KEY_SET_FOCUS;
678
679     tape.set_centered_player = FALSE;
680   }
681
682   if (tape.pos[tape.counter].delay > 0)         /* already stored action */
683   {
684     boolean changed_events = FALSE;
685
686     for (i = 0; i < MAX_PLAYERS; i++)
687       if (tape.pos[tape.counter].action[i] != action[i])
688         changed_events = TRUE;
689
690     if (changed_events || tape.pos[tape.counter].delay >= 255)
691     {
692       tape.counter++;
693       tape.pos[tape.counter].delay = 0;
694     }
695     else
696       tape.pos[tape.counter].delay++;
697   }
698
699   if (tape.pos[tape.counter].delay == 0)        /* store new action */
700   {
701     for (i = 0; i < MAX_PLAYERS; i++)
702       tape.pos[tape.counter].action[i] = action[i];
703
704     tape.pos[tape.counter].delay++;
705   }
706 }
707
708 void TapeTogglePause(boolean toggle_manual)
709 {
710   int state = 0;
711
712   if (tape.pause_before_death)
713     state |= VIDEO_STATE_PBEND_OFF;
714   else if (tape.fast_forward)
715     state |= VIDEO_STATE_FFWD_OFF;
716
717   tape.pausing = !tape.pausing;
718   tape.fast_forward = FALSE;
719   tape.pause_before_death = FALSE;
720
721   if (tape.single_step && toggle_manual)
722     tape.single_step = FALSE;
723
724   state |= (tape.pausing ? VIDEO_STATE_PAUSE_ON : VIDEO_STATE_PAUSE_OFF);
725   if (tape.playing)
726     state |= VIDEO_STATE_PLAY_ON;
727   else
728     state |= (tape.single_step ? VIDEO_STATE_1STEP_ON : VIDEO_STATE_1STEP_OFF);
729
730   DrawVideoDisplay(state, 0);
731
732   if (tape.warp_forward)
733   {
734     TapeStopWarpForward();
735
736     if (tape.quick_resume)
737     {
738       tape.quick_resume = FALSE;
739
740       TapeAppendRecording();
741
742       if (!CheckEngineSnapshot())
743         SaveEngineSnapshotSingle();
744     }
745   }
746
747   if (tape.pausing)
748     MapUndoRedoButtons();
749   else
750     MapStopPlayButtons();
751 }
752
753 void TapeStartPlaying()
754 {
755   if (TAPE_IS_EMPTY(tape))
756     return;
757
758   if (!TAPE_IS_STOPPED(tape))
759     TapeStop();
760
761   TapeRewind();
762
763   tape.playing = TRUE;
764
765   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
766   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
767   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
768   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
769
770   MapTapeWarpButton();
771
772   SetDrawDeactivationMask(REDRAW_NONE);
773   audio.sound_deactivated = FALSE;
774 }
775
776 static void TapeStartGamePlaying()
777 {
778   TapeStartPlaying();
779
780   InitGame();
781 }
782
783 void TapeStopPlaying()
784 {
785   tape.playing = FALSE;
786   tape.pausing = FALSE;
787
788   if (tape.warp_forward)
789     TapeStopWarpForward();
790
791   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
792   MapTapeEjectButton();
793 }
794
795 byte *TapePlayAction()
796 {
797   static byte action[MAX_PLAYERS];
798   int i;
799
800   if (!tape.playing || tape.pausing)
801     return NULL;
802
803   if (tape.pause_before_death)  /* stop 10 seconds before player gets killed */
804   {
805     if (!(FrameCounter % 20))
806     {
807       if ((FrameCounter / 20) % 2)
808         DrawVideoDisplay(VIDEO_STATE_PBEND_ON, VIDEO_DISPLAY_LABEL_ONLY);
809       else
810         DrawVideoDisplay(VIDEO_STATE_PBEND_OFF, VIDEO_DISPLAY_LABEL_ONLY);
811     }
812
813     if (tape.warp_forward)
814     {
815       if (tape.deactivate_display)
816         DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
817       else
818         DrawVideoDisplay(VIDEO_STATE_WARP2_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
819     }
820
821     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
822     {
823       TapeTogglePause(TAPE_TOGGLE_MANUAL);
824
825       return NULL;
826     }
827   }
828   else if (tape.fast_forward)
829   {
830     if ((FrameCounter / 20) % 2)
831       DrawVideoDisplay(VIDEO_STATE_FFWD_ON, VIDEO_DISPLAY_LABEL_ONLY);
832     else
833       DrawVideoDisplay(VIDEO_STATE_FFWD_OFF, VIDEO_DISPLAY_LABEL_ONLY);
834
835     if (tape.warp_forward)
836     {
837       if (tape.deactivate_display)
838         DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
839       else
840         DrawVideoDisplay(VIDEO_STATE_WARP2_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
841     }
842   }
843
844 #if 0
845   /* !!! this makes things much slower !!! */
846   else if (tape.warp_forward)
847   {
848     if ((FrameCounter / 20) % 2)
849       DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_LABEL_ONLY);
850     else
851       DrawVideoDisplay(VIDEO_STATE_WARP_OFF, VIDEO_DISPLAY_LABEL_ONLY);
852
853     DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
854   }
855 #endif
856
857   if (tape.counter >= tape.length)      /* end of tape reached */
858   {
859     if (tape.warp_forward && !tape.auto_play)
860       TapeTogglePause(TAPE_TOGGLE_MANUAL);
861     else
862       TapeStop();
863
864     return NULL;
865   }
866
867   for (i = 0; i < MAX_PLAYERS; i++)
868     action[i] = tape.pos[tape.counter].action[i];
869
870 #if DEBUG_TAPE_WHEN_PLAYING
871   printf("%05d", FrameCounter);
872   for (i = 0; i < MAX_PLAYERS; i++)
873     printf("   %08x", action[i]);
874   printf("\n");
875 #endif
876
877   tape.set_centered_player = FALSE;
878   tape.centered_player_nr_next = -999;
879
880   for (i = 0; i < MAX_PLAYERS; i++)
881   {
882     if (action[i] & KEY_SET_FOCUS)
883     {
884       tape.set_centered_player = TRUE;
885       tape.centered_player_nr_next =
886         (tape.centered_player_nr_next == -999 ? i : -1);
887     }
888
889     action[i] &= ~KEY_SET_FOCUS;
890   }
891
892   tape.delay_played++;
893   if (tape.delay_played >= tape.pos[tape.counter].delay)
894   {
895     tape.counter++;
896     tape.delay_played = 0;
897   }
898
899   return action;
900 }
901
902 void TapeStop()
903 {
904   TapeStopRecording();
905   TapeStopPlaying();
906
907   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
908
909   if (tape.date && tape.length)
910   {
911     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
912     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
913     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
914   }
915 }
916
917 unsigned int GetTapeLengthFrames()
918 {
919   unsigned int tape_length_frames = 0;
920   int i;
921
922   if (TAPE_IS_EMPTY(tape))
923     return(0);
924
925   for (i = 0; i < tape.length; i++)
926     tape_length_frames += tape.pos[i].delay;
927
928   return tape_length_frames;
929 }
930
931 unsigned int GetTapeLengthSeconds()
932 {
933   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
934 }
935
936 static void TapeStartWarpForward()
937 {
938   tape.warp_forward = TRUE;
939
940   if (!tape.fast_forward && !tape.pause_before_death)
941   {
942     tape.pausing = FALSE;
943     tape.deactivate_display = TRUE;
944
945     TapeDeactivateDisplayOn();
946   }
947
948   if (tape.fast_forward || tape.pause_before_death)
949     DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
950   else
951     DrawVideoDisplay(VIDEO_STATE_WARP_ON, 0);
952 }
953
954 static void TapeStopWarpForward()
955 {
956   int state = (tape.pausing ? VIDEO_STATE_PAUSE_ON : VIDEO_STATE_PAUSE_OFF);
957
958   tape.warp_forward = FALSE;
959   tape.deactivate_display = FALSE;
960
961   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
962
963   if (tape.pause_before_death)
964     state |= VIDEO_STATE_WARP_OFF | VIDEO_STATE_PBEND_ON;
965   else if (tape.fast_forward)
966     state |= VIDEO_STATE_WARP_OFF | VIDEO_STATE_FFWD_ON;
967   else
968     state |= VIDEO_STATE_WARP_OFF | VIDEO_STATE_PLAY_ON;
969
970   DrawVideoDisplay(state, 0);
971 }
972
973 static void TapeSingleStep()
974 {
975   if (options.network)
976     return;
977
978   if (!tape.pausing)
979     TapeTogglePause(TAPE_TOGGLE_MANUAL);
980
981   tape.single_step = !tape.single_step;
982
983   DrawVideoDisplay((tape.single_step ? VIDEO_STATE_1STEP_ON :
984                     VIDEO_STATE_1STEP_OFF), 0);
985 }
986
987 void TapeQuickSave()
988 {
989   if (game_status == GAME_MODE_MAIN)
990   {
991     Request("No game that can be saved!", REQ_CONFIRM);
992
993     return;
994   }
995
996   if (game_status != GAME_MODE_PLAYING)
997     return;
998
999   if (tape.recording)
1000     TapeHaltRecording();        /* prepare tape for saving on-the-fly */
1001
1002   if (TAPE_IS_EMPTY(tape))
1003   {
1004     Request("No tape that can be saved!", REQ_CONFIRM);
1005
1006     return;
1007   }
1008
1009   if (SaveTapeChecked(tape.level_nr))
1010     SaveEngineSnapshotSingle();
1011 }
1012
1013 void TapeQuickLoad()
1014 {
1015   char *filename = getTapeFilename(level_nr);
1016
1017   if (!fileExists(filename))
1018   {
1019     Request("No tape for this level!", REQ_CONFIRM);
1020
1021     return;
1022   }
1023
1024   if (tape.recording && !Request("Stop recording and load tape?",
1025                                  REQ_ASK | REQ_STAY_CLOSED))
1026   {
1027     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1028
1029     return;
1030   }
1031
1032   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1033     return;
1034
1035   if (CheckEngineSnapshot())
1036   {
1037     TapeStartGamePlaying();
1038
1039     LoadEngineSnapshotSingle();
1040
1041     DrawCompleteVideoDisplay();
1042
1043     tape.playing = TRUE;
1044     tape.pausing = TRUE;
1045
1046     TapeStopWarpForward();
1047     TapeAppendRecording();
1048
1049     if (FrameCounter > 0)
1050       return;
1051   }
1052
1053   TapeStop();
1054   TapeErase();
1055
1056   LoadTape(level_nr);
1057
1058   if (!TAPE_IS_EMPTY(tape))
1059   {
1060     TapeStartGamePlaying();
1061     TapeStartWarpForward();
1062
1063     tape.quick_resume = TRUE;
1064   }
1065   else  /* this should not happen (basically checked above) */
1066   {
1067     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1068
1069     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1070   }
1071 }
1072
1073 void InsertSolutionTape()
1074 {
1075   if (!TAPE_IS_EMPTY(tape))
1076     return;
1077
1078   LoadSolutionTape(level_nr);
1079
1080   if (TAPE_IS_EMPTY(tape))
1081     Request("No solution tape for this level!", REQ_CONFIRM);
1082
1083   DrawCompleteVideoDisplay();
1084 }
1085
1086
1087 /* ------------------------------------------------------------------------- *
1088  * tape autoplay functions
1089  * ------------------------------------------------------------------------- */
1090
1091 void AutoPlayTape()
1092 {
1093   static LevelDirTree *autoplay_leveldir = NULL;
1094   static boolean autoplay_initialized = FALSE;
1095   static int autoplay_level_nr = -1;
1096   static int num_levels_played = 0;
1097   static int num_levels_solved = 0;
1098   static int num_tape_missing = 0;
1099   static boolean level_failed[MAX_TAPES_PER_SET];
1100   int i;
1101
1102   if (autoplay_initialized)
1103   {
1104     /* just finished auto-playing tape */
1105     printf("%s.\n", tape.auto_play_level_solved ? "solved" : "NOT SOLVED");
1106
1107     num_levels_played++;
1108
1109     if (tape.auto_play_level_solved)
1110       num_levels_solved++;
1111     else if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1112       level_failed[level_nr] = TRUE;
1113   }
1114   else
1115   {
1116     DrawCompleteVideoDisplay();
1117     audio.sound_enabled = FALSE;
1118
1119     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1120                                                   global.autoplay_leveldir);
1121
1122     if (autoplay_leveldir == NULL)
1123       Error(ERR_EXIT, "no such level identifier: '%s'",
1124             global.autoplay_leveldir);
1125
1126     leveldir_current = autoplay_leveldir;
1127
1128     if (autoplay_leveldir->first_level < 0)
1129       autoplay_leveldir->first_level = 0;
1130     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1131       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1132
1133     autoplay_level_nr = autoplay_leveldir->first_level;
1134
1135     printf_line("=", 79);
1136     printf("Automatically playing level tapes\n");
1137     printf_line("-", 79);
1138     printf("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1139     printf("Level series name:       '%s'\n", autoplay_leveldir->name);
1140     printf("Level series author:     '%s'\n", autoplay_leveldir->author);
1141     printf("Number of levels:        %d\n",   autoplay_leveldir->levels);
1142     printf_line("=", 79);
1143     printf("\n");
1144
1145     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1146       level_failed[i] = FALSE;
1147
1148     autoplay_initialized = TRUE;
1149   }
1150
1151   while (autoplay_level_nr <= autoplay_leveldir->last_level)
1152   {
1153     level_nr = autoplay_level_nr++;
1154
1155     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1156       continue;
1157
1158     TapeErase();
1159
1160     printf("Level %03d: ", level_nr);
1161
1162     LoadLevel(level_nr);
1163     if (level.no_valid_file)
1164     {
1165       printf("(no level)\n");
1166       continue;
1167     }
1168
1169 #if 0
1170     /* ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY */
1171     printf("(only testing level)\n");
1172     continue;
1173 #endif
1174
1175     LoadSolutionTape(level_nr);
1176
1177     if (tape.no_valid_file)
1178     {
1179       num_tape_missing++;
1180
1181       printf("(no tape)\n");
1182
1183       continue;
1184     }
1185
1186     printf("playing tape ... ");
1187
1188     TapeStartGamePlaying();
1189     TapeStartWarpForward();
1190
1191     return;
1192   }
1193
1194   printf("\n");
1195   printf_line("=", 79);
1196   printf("Number of levels played: %d\n", num_levels_played);
1197   printf("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1198          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1199   printf_line("-", 79);
1200   printf("Summary (for automatic parsing by scripts):\n");
1201   printf("LEVELDIR '%s', SOLVED %d/%d (%d%%)",
1202          autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1203          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1204
1205   if (num_levels_played != num_levels_solved)
1206   {
1207     printf(", FAILED:");
1208     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1209       if (level_failed[i])
1210         printf(" %03d", i);
1211   }
1212
1213   printf("\n");
1214   printf_line("=", 79);
1215
1216   CloseAllAndExit(0);
1217 }
1218
1219
1220 /* ---------- new tape button stuff ---------------------------------------- */
1221
1222 static struct
1223 {
1224   int graphic;
1225   struct XY *pos;
1226   int gadget_id;
1227   char *infotext;
1228 } tapebutton_info[NUM_TAPE_BUTTONS] =
1229 {
1230   {
1231     IMG_TAPE_BUTTON_GFX_EJECT,          &tape.button.eject,
1232     TAPE_CTRL_ID_EJECT,                 "eject tape"
1233   },
1234   {
1235     /* (same position as "eject" button) */
1236     IMG_TAPE_BUTTON_GFX_EXTRA,          &tape.button.eject,
1237     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1238   },
1239   {
1240     IMG_TAPE_BUTTON_GFX_STOP,           &tape.button.stop,
1241     TAPE_CTRL_ID_STOP,                  "stop tape"
1242   },
1243   {
1244     IMG_TAPE_BUTTON_GFX_PAUSE,          &tape.button.pause,
1245     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1246   },
1247   {
1248     IMG_TAPE_BUTTON_GFX_RECORD,         &tape.button.record,
1249     TAPE_CTRL_ID_RECORD,                "record tape"
1250   },
1251   {
1252     IMG_TAPE_BUTTON_GFX_PLAY,           &tape.button.play,
1253     TAPE_CTRL_ID_PLAY,                  "play tape"
1254   }
1255 };
1256
1257 void CreateTapeButtons()
1258 {
1259   int i;
1260
1261   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1262   {
1263     struct GraphicInfo *gfx = &graphic_info[tapebutton_info[i].graphic];
1264     struct XY *pos = tapebutton_info[i].pos;
1265     struct GadgetInfo *gi;
1266     int gd_x = gfx->src_x;
1267     int gd_y = gfx->src_y;
1268     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1269     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1270     int id = i;
1271
1272     gi = CreateGadget(GDI_CUSTOM_ID, id,
1273                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1274                       GDI_X, VX + pos->x,
1275                       GDI_Y, VY + pos->y,
1276                       GDI_WIDTH, gfx->width,
1277                       GDI_HEIGHT, gfx->height,
1278                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1279                       GDI_STATE, GD_BUTTON_UNPRESSED,
1280                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1281                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1282                       GDI_DIRECT_DRAW, FALSE,
1283                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1284                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1285                       GDI_END);
1286
1287     if (gi == NULL)
1288       Error(ERR_EXIT, "cannot create gadget");
1289
1290     tape_gadget[id] = gi;
1291   }
1292 }
1293
1294 void FreeTapeButtons()
1295 {
1296   int i;
1297
1298   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1299     FreeGadget(tape_gadget[i]);
1300 }
1301
1302 void MapTapeEjectButton()
1303 {
1304   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1305   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1306 }
1307
1308 void MapTapeWarpButton()
1309 {
1310   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1311   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1312 }
1313
1314 void MapTapeButtons()
1315 {
1316   int i;
1317
1318   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1319     if (i != TAPE_CTRL_ID_EXTRA)
1320       MapGadget(tape_gadget[i]);
1321
1322   if (tape.recording || tape.playing)
1323     MapTapeWarpButton();
1324
1325   if (tape.show_game_buttons)
1326     MapGameButtons();
1327 }
1328
1329 void UnmapTapeButtons()
1330 {
1331   int i;
1332
1333   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1334     UnmapGadget(tape_gadget[i]);
1335
1336   if (tape.show_game_buttons)
1337     UnmapGameButtons();
1338 }
1339
1340 static void HandleTapeButtonsExt(int id)
1341 {
1342   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1343     return;
1344
1345   switch (id)
1346   {
1347     case TAPE_CTRL_ID_EJECT:
1348       TapeStop();
1349
1350       if (TAPE_IS_EMPTY(tape))
1351       {
1352         LoadTape(level_nr);
1353
1354         if (TAPE_IS_EMPTY(tape))
1355           Request("No tape for this level!", REQ_CONFIRM);
1356       }
1357       else
1358       {
1359         if (tape.changed)
1360           SaveTapeChecked(tape.level_nr);
1361
1362         TapeErase();
1363       }
1364
1365       DrawCompleteVideoDisplay();
1366       break;
1367
1368     case TAPE_CTRL_ID_EXTRA:
1369       if (tape.playing)
1370       {
1371         if (!tape.warp_forward)                 /* PLAY -> WARP FORWARD PLAY */
1372         {
1373           TapeStartWarpForward();
1374         }
1375         else                                    /* WARP FORWARD PLAY -> PLAY */
1376         {
1377           TapeStopWarpForward();
1378         }
1379       }
1380       else if (tape.recording)
1381         TapeSingleStep();
1382
1383       break;
1384
1385     case TAPE_CTRL_ID_STOP:
1386       TapeStop();
1387       break;
1388
1389     case TAPE_CTRL_ID_PAUSE:
1390       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1391       break;
1392
1393     case TAPE_CTRL_ID_RECORD:
1394       if (TAPE_IS_STOPPED(tape))
1395         TapeStartGameRecording();
1396       else if (tape.pausing)
1397       {
1398         if (tape.playing)                       /* PLAY -> PAUSE -> RECORD */
1399           TapeAppendRecording();
1400         else
1401           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1402       }
1403       break;
1404
1405     case TAPE_CTRL_ID_PLAY:
1406       if (TAPE_IS_EMPTY(tape))
1407         break;
1408
1409       if (TAPE_IS_STOPPED(tape))
1410       {
1411         TapeStartGamePlaying();
1412       }
1413       else if (tape.playing)
1414       {
1415         if (tape.pausing)                       /* PAUSE -> PLAY */
1416         {
1417           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1418         }
1419         else if (!tape.fast_forward)            /* PLAY -> FAST FORWARD PLAY */
1420         {
1421           tape.fast_forward = TRUE;
1422           DrawVideoDisplay(VIDEO_STATE_FFWD_ON, 0);
1423         }
1424         else if (!tape.pause_before_death)      /* FFWD PLAY -> AUTO PAUSE */
1425         {
1426           tape.pause_before_death = TRUE;
1427           DrawVideoDisplay(VIDEO_STATE_FFWD_OFF | VIDEO_STATE_PBEND_ON, 0);
1428         }
1429         else                                    /* AUTO PAUSE -> NORMAL PLAY */
1430         {
1431           if (tape.warp_forward)
1432             TapeStopWarpForward();
1433
1434           tape.fast_forward = FALSE;
1435           tape.pause_before_death = FALSE;
1436
1437           DrawVideoDisplay(VIDEO_STATE_PBEND_OFF | VIDEO_STATE_PLAY_ON, 0);
1438         }
1439       }
1440       break;
1441
1442     default:
1443       break;
1444   }
1445 }
1446
1447 static void HandleTapeButtons(struct GadgetInfo *gi)
1448 {
1449   HandleTapeButtonsExt(gi->custom_id);
1450 }
1451
1452 void HandleTapeButtonKeys(Key key)
1453 {
1454   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
1455   boolean extra_button_is_active = !eject_button_is_active;
1456
1457   if (key == setup.shortcut.tape_eject && eject_button_is_active)
1458     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
1459   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
1460     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
1461   else if (key == setup.shortcut.tape_stop)
1462     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
1463   else if (key == setup.shortcut.tape_pause)
1464     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
1465   else if (key == setup.shortcut.tape_record)
1466     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
1467   else if (key == setup.shortcut.tape_play)
1468     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
1469 }