renamed and cleaned up source files for handling global animations
[rocksndiamonds.git] / src / tape.c
1 // ============================================================================
2 // Rocks'n'Diamonds - McDuffin Strikes Back!
3 // ----------------------------------------------------------------------------
4 // (c) 1995-2014 by Artsoft Entertainment
5 //                  Holger Schemel
6 //                  info@artsoft.org
7 //                  http://www.artsoft.org/
8 // ----------------------------------------------------------------------------
9 // tape.c
10 // ============================================================================
11
12 #include "libgame/libgame.h"
13
14 #include "tape.h"
15 #include "init.h"
16 #include "game.h"
17 #include "tools.h"
18 #include "files.h"
19 #include "network.h"
20 #include "anim.h"
21
22 #define DEBUG_TAPE_WHEN_PLAYING                 FALSE
23
24 /* tape button identifiers */
25 #define TAPE_CTRL_ID_EJECT                      0
26 #define TAPE_CTRL_ID_EXTRA                      1
27 #define TAPE_CTRL_ID_STOP                       2
28 #define TAPE_CTRL_ID_PAUSE                      3
29 #define TAPE_CTRL_ID_RECORD                     4
30 #define TAPE_CTRL_ID_PLAY                       5
31
32 #define NUM_TAPE_BUTTONS                        6
33
34 /* values for tape handling */
35 #define TAPE_PAUSE_SECONDS_BEFORE_DEATH         5
36
37 /* forward declaration for internal use */
38 static void HandleTapeButtons(struct GadgetInfo *);
39 static void TapeStopWarpForward();
40
41 static struct GadgetInfo *tape_gadget[NUM_TAPE_BUTTONS];
42
43
44 /* ========================================================================= */
45 /* video tape definitions                                                    */
46 /* ========================================================================= */
47
48 /* 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_GFX_TAPE_LABEL_PLAY,                &tape.label.play        },
204       { IMG_GFX_TAPE_SYMBOL_PLAY,               &tape.symbol.play       },
205     },
206     {
207       { IMG_GFX_TAPE_LABEL_RECORD,              &tape.label.record      },
208       { IMG_GFX_TAPE_SYMBOL_RECORD,             &tape.symbol.record     },
209     },
210     {
211       { IMG_GFX_TAPE_LABEL_PAUSE,               &tape.label.pause       },
212       { IMG_GFX_TAPE_SYMBOL_PAUSE,              &tape.symbol.pause      },
213     },
214     {
215       { IMG_GFX_TAPE_LABEL_DATE,                &tape.label.date        },
216       { -1,                                     NULL                    },
217     },
218     {
219       { IMG_GFX_TAPE_LABEL_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_GFX_TAPE_LABEL_FAST_FORWARD,        &tape.label.fast_forward  },
229       { IMG_GFX_TAPE_SYMBOL_FAST_FORWARD,       &tape.symbol.fast_forward },
230     },
231     {
232       { IMG_GFX_TAPE_LABEL_PAUSE_BEFORE_END,    &tape.label.pause_before_end  },
233       { IMG_GFX_TAPE_SYMBOL_PAUSE_BEFORE_END,   &tape.symbol.pause_before_end },
234     },
235     {
236       { IMG_GFX_TAPE_LABEL_WARP_FORWARD_BLIND,  &tape.label.warp_forward_blind},
237       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD_BLIND, &tape.symbol.warp_forward_blind},
238     },
239     {
240       { IMG_GFX_TAPE_LABEL_WARP_FORWARD,        &tape.label.warp_forward  },
241       { IMG_GFX_TAPE_SYMBOL_WARP_FORWARD,       &tape.symbol.warp_forward },
242     },
243     {
244       { IMG_GFX_TAPE_LABEL_SINGLE_STEP,         &tape.label.single_step  },
245       { IMG_GFX_TAPE_SYMBOL_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           redraw_mask |= REDRAW_DOOR_2;
294         }
295       }
296     }
297   }
298 }
299
300
301 #define DATETIME_NONE                   (0)
302
303 #define DATETIME_DATE_YYYY              (1 << 0)
304 #define DATETIME_DATE_YY                (1 << 1)
305 #define DATETIME_DATE_MON               (1 << 2)
306 #define DATETIME_DATE_MM                (1 << 3)
307 #define DATETIME_DATE_DD                (1 << 4)
308
309 #define DATETIME_TIME_HH                (1 << 5)
310 #define DATETIME_TIME_MIN               (1 << 6)
311 #define DATETIME_TIME_MM                (1 << 7)
312 #define DATETIME_TIME_SS                (1 << 8)
313
314 #define DATETIME_FRAME                  (1 << 9)
315
316 #define DATETIME_XOFFSET_1              (1 << 10)
317 #define DATETIME_XOFFSET_2              (1 << 11)
318
319 #define DATETIME_DATE                   (DATETIME_DATE_YYYY     |       \
320                                          DATETIME_DATE_YY       |       \
321                                          DATETIME_DATE_MON      |       \
322                                          DATETIME_DATE_MM       |       \
323                                          DATETIME_DATE_DD)
324
325 #define DATETIME_TIME                   (DATETIME_TIME_HH       |       \
326                                          DATETIME_TIME_MIN      |       \
327                                          DATETIME_TIME_MM       |       \
328                                          DATETIME_TIME_SS)
329
330 #define MAX_DATETIME_STRING_SIZE        32
331
332 static void DrawVideoDisplay_DateTime(unsigned int state, unsigned int value)
333 {
334   int i;
335
336   static char *month_shortnames[] =
337   {
338     "JAN",
339     "FEB",
340     "MAR",
341     "APR",
342     "MAY",
343     "JUN",
344     "JUL",
345     "AUG",
346     "SEP",
347     "OCT",
348     "NOV",
349     "DEC"
350   };
351
352   static struct
353   {
354     struct TextPosInfo *pos;
355     int type;
356   }
357   datetime_info[] =
358   {
359     { &tape.text.date,          DATETIME_DATE_DD                        },
360     { &tape.text.date,          DATETIME_DATE_MON | DATETIME_XOFFSET_1  },
361     { &tape.text.date,          DATETIME_DATE_YY  | DATETIME_XOFFSET_2  },
362     { &tape.text.date_yyyy,     DATETIME_DATE_YYYY                      },
363     { &tape.text.date_yy,       DATETIME_DATE_YY                        },
364     { &tape.text.date_mon,      DATETIME_DATE_MON                       },
365     { &tape.text.date_mm,       DATETIME_DATE_MM                        },
366     { &tape.text.date_dd,       DATETIME_DATE_DD                        },
367
368     { &tape.text.time,          DATETIME_TIME_MIN                       },
369     { &tape.text.time,          DATETIME_TIME_SS  | DATETIME_XOFFSET_1  },
370     { &tape.text.time_hh,       DATETIME_TIME_HH                        },
371     { &tape.text.time_mm,       DATETIME_TIME_MM                        },
372     { &tape.text.time_ss,       DATETIME_TIME_SS                        },
373
374     { &tape.text.frame,         DATETIME_FRAME                          },
375
376     { NULL,                     DATETIME_NONE                           },
377   };
378
379   for (i = 0; datetime_info[i].pos != NULL; i++)
380   {
381     struct TextPosInfo *pos = datetime_info[i].pos;
382     int type = datetime_info[i].type;
383     int xpos, ypos;
384
385     if (pos->x == -1 &&
386         pos->y == -1)
387       continue;
388
389     xpos = VX + pos->x + (type & DATETIME_XOFFSET_1 ? pos->xoffset  :
390                           type & DATETIME_XOFFSET_2 ? pos->xoffset2 : 0);
391     ypos = VY + pos->y;
392
393     if ((type & DATETIME_DATE) && (state & VIDEO_STATE_DATE_ON))
394     {
395       char s[MAX_DATETIME_STRING_SIZE];
396       int year2 = value / 10000;
397       int year4 = (year2 < 70 ? 2000 + year2 : 1900 + year2);
398       int month_index = (value / 100) % 100;
399       int month = month_index + 1;
400       int day = value % 100;
401
402       strcpy(s, (type & DATETIME_DATE_YYYY ? int2str(year4, 4) :
403                  type & DATETIME_DATE_YY   ? int2str(year2, 2) :
404                  type & DATETIME_DATE_MON  ? month_shortnames[month_index] :
405                  type & DATETIME_DATE_MM   ? int2str(month, 2) :
406                  type & DATETIME_DATE_DD   ? int2str(day, 2) : ""));
407
408       DrawText(xpos, ypos, s, pos->font);
409     }
410     else if ((type & DATETIME_TIME) && (state & VIDEO_STATE_TIME_ON))
411     {
412       char s[MAX_DATETIME_STRING_SIZE];
413       int hh = (value / 3600) % 100;
414       int min = value / 60;
415       int mm = (value / 60) % 60;
416       int ss = value % 60;
417
418       strcpy(s, (type & DATETIME_TIME_HH  ? int2str(hh, 2) :
419                  type & DATETIME_TIME_MIN ? int2str(min, 2) :
420                  type & DATETIME_TIME_MM  ? int2str(mm, 2) :
421                  type & DATETIME_TIME_SS  ? int2str(ss, 2) : ""));
422
423       DrawText(xpos, ypos, s, pos->font);
424     }
425     else if ((type & DATETIME_FRAME) && (state & VIDEO_STATE_FRAME_ON))
426     {
427       DrawText(xpos, ypos, int2str(value, pos->size), pos->font);
428     }
429   }
430 }
431
432 void DrawVideoDisplay(unsigned int state, unsigned int value)
433 {
434   DrawVideoDisplay_Graphics(state, value);
435   DrawVideoDisplay_DateTime(state, value);
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();
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 (!CheckEngineSnapshotSingle())
743         SaveEngineSnapshotSingle();
744
745       // restart step/move snapshots after quick loading tape
746       SaveEngineSnapshotToListInitial();
747     }
748   }
749
750   if (setup.show_snapshot_buttons &&
751       game_status == GAME_MODE_PLAYING &&
752       CheckEngineSnapshotList())
753   {
754     if (tape.pausing)
755       MapUndoRedoButtons();
756     else if (!tape.single_step)
757       UnmapUndoRedoButtons();
758   }
759 }
760
761 void TapeStartPlaying()
762 {
763   if (TAPE_IS_EMPTY(tape))
764     return;
765
766   if (!TAPE_IS_STOPPED(tape))
767     TapeStop();
768
769   TapeRewind();
770
771   tape.playing = TRUE;
772
773   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
774   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
775   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
776   DrawVideoDisplay(VIDEO_STATE_FRAME_ON, 0);
777
778   MapTapeWarpButton();
779
780   SetDrawDeactivationMask(REDRAW_NONE);
781   audio.sound_deactivated = FALSE;
782 }
783
784 static void TapeStartGamePlaying()
785 {
786   TapeStartPlaying();
787
788   InitGame();
789 }
790
791 void TapeStopPlaying()
792 {
793   tape.playing = FALSE;
794   tape.pausing = FALSE;
795
796   if (tape.warp_forward)
797     TapeStopWarpForward();
798
799   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
800   MapTapeEjectButton();
801 }
802
803 byte *TapePlayAction()
804 {
805   static byte action[MAX_PLAYERS];
806   int i;
807
808   if (!tape.playing || tape.pausing)
809     return NULL;
810
811   if (tape.pause_before_death)  /* stop 10 seconds before player gets killed */
812   {
813     if (!(FrameCounter % 20))
814     {
815       if ((FrameCounter / 20) % 2)
816         DrawVideoDisplay(VIDEO_STATE_PBEND_ON, VIDEO_DISPLAY_LABEL_ONLY);
817       else
818         DrawVideoDisplay(VIDEO_STATE_PBEND_OFF, VIDEO_DISPLAY_LABEL_ONLY);
819     }
820
821     if (tape.warp_forward)
822     {
823       if (tape.deactivate_display)
824         DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
825       else
826         DrawVideoDisplay(VIDEO_STATE_WARP2_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
827     }
828
829     if (TapeTime > tape.length_seconds - TAPE_PAUSE_SECONDS_BEFORE_DEATH)
830     {
831       TapeTogglePause(TAPE_TOGGLE_MANUAL);
832
833       return NULL;
834     }
835   }
836   else if (tape.fast_forward)
837   {
838     if ((FrameCounter / 20) % 2)
839       DrawVideoDisplay(VIDEO_STATE_FFWD_ON, VIDEO_DISPLAY_LABEL_ONLY);
840     else
841       DrawVideoDisplay(VIDEO_STATE_FFWD_OFF, VIDEO_DISPLAY_LABEL_ONLY);
842
843     if (tape.warp_forward)
844     {
845       if (tape.deactivate_display)
846         DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
847       else
848         DrawVideoDisplay(VIDEO_STATE_WARP2_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
849     }
850   }
851
852 #if 0
853   /* !!! this makes things much slower !!! */
854   else if (tape.warp_forward)
855   {
856     if ((FrameCounter / 20) % 2)
857       DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_LABEL_ONLY);
858     else
859       DrawVideoDisplay(VIDEO_STATE_WARP_OFF, VIDEO_DISPLAY_LABEL_ONLY);
860
861     DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
862   }
863 #endif
864
865   if (tape.counter >= tape.length)      /* end of tape reached */
866   {
867     if (tape.warp_forward && !tape.auto_play)
868       TapeTogglePause(TAPE_TOGGLE_MANUAL);
869     else
870       TapeStop();
871
872     return NULL;
873   }
874
875   for (i = 0; i < MAX_PLAYERS; i++)
876     action[i] = tape.pos[tape.counter].action[i];
877
878 #if DEBUG_TAPE_WHEN_PLAYING
879   printf("%05d", FrameCounter);
880   for (i = 0; i < MAX_PLAYERS; i++)
881     printf("   %08x", action[i]);
882   printf("\n");
883 #endif
884
885   tape.set_centered_player = FALSE;
886   tape.centered_player_nr_next = -999;
887
888   for (i = 0; i < MAX_PLAYERS; i++)
889   {
890     if (action[i] & KEY_SET_FOCUS)
891     {
892       tape.set_centered_player = TRUE;
893       tape.centered_player_nr_next =
894         (tape.centered_player_nr_next == -999 ? i : -1);
895     }
896
897     action[i] &= ~KEY_SET_FOCUS;
898   }
899
900   tape.delay_played++;
901   if (tape.delay_played >= tape.pos[tape.counter].delay)
902   {
903     tape.counter++;
904     tape.delay_played = 0;
905   }
906
907   return action;
908 }
909
910 void TapeStop()
911 {
912   TapeStopRecording();
913   TapeStopPlaying();
914
915   DrawVideoDisplay(VIDEO_STATE_OFF, 0);
916
917   if (tape.date && tape.length)
918   {
919     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
920     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
921     DrawVideoDisplay(VIDEO_STATE_FRAME_ON, tape.length_frames);
922   }
923 }
924
925 unsigned int GetTapeLengthFrames()
926 {
927   unsigned int tape_length_frames = 0;
928   int i;
929
930   if (TAPE_IS_EMPTY(tape))
931     return(0);
932
933   for (i = 0; i < tape.length; i++)
934     tape_length_frames += tape.pos[i].delay;
935
936   return tape_length_frames;
937 }
938
939 unsigned int GetTapeLengthSeconds()
940 {
941   return (GetTapeLengthFrames() * GAME_FRAME_DELAY / 1000);
942 }
943
944 static void TapeStartWarpForward()
945 {
946   tape.warp_forward = TRUE;
947
948   if (!tape.fast_forward && !tape.pause_before_death)
949   {
950     tape.pausing = FALSE;
951     tape.deactivate_display = TRUE;
952
953     TapeDeactivateDisplayOn();
954   }
955
956   if (tape.fast_forward || tape.pause_before_death)
957     DrawVideoDisplay(VIDEO_STATE_WARP_ON, VIDEO_DISPLAY_SYMBOL_ONLY);
958   else
959     DrawVideoDisplay(VIDEO_STATE_WARP_ON, 0);
960 }
961
962 static void TapeStopWarpForward()
963 {
964   int state = (tape.pausing ? VIDEO_STATE_PAUSE_ON : VIDEO_STATE_PAUSE_OFF);
965
966   tape.warp_forward = FALSE;
967   tape.deactivate_display = FALSE;
968
969   TapeDeactivateDisplayOff(game_status == GAME_MODE_PLAYING);
970
971   if (tape.pause_before_death)
972     state |= VIDEO_STATE_WARP_OFF | VIDEO_STATE_PBEND_ON;
973   else if (tape.fast_forward)
974     state |= VIDEO_STATE_WARP_OFF | VIDEO_STATE_FFWD_ON;
975   else
976     state |= VIDEO_STATE_WARP_OFF | VIDEO_STATE_PLAY_ON;
977
978   DrawVideoDisplay(state, 0);
979 }
980
981 static void TapeSingleStep()
982 {
983   if (options.network)
984     return;
985
986   if (!tape.pausing)
987     TapeTogglePause(TAPE_TOGGLE_MANUAL);
988
989   tape.single_step = !tape.single_step;
990
991   DrawVideoDisplay((tape.single_step ? VIDEO_STATE_1STEP_ON :
992                     VIDEO_STATE_1STEP_OFF), 0);
993 }
994
995 void TapeQuickSave()
996 {
997   if (game_status == GAME_MODE_MAIN)
998   {
999     Request("No game that can be saved!", REQ_CONFIRM);
1000
1001     return;
1002   }
1003
1004   if (game_status != GAME_MODE_PLAYING)
1005     return;
1006
1007   if (tape.recording)
1008     TapeHaltRecording();        /* prepare tape for saving on-the-fly */
1009
1010   if (TAPE_IS_EMPTY(tape))
1011   {
1012     Request("No tape that can be saved!", REQ_CONFIRM);
1013
1014     return;
1015   }
1016
1017   if (SaveTapeChecked(tape.level_nr))
1018     SaveEngineSnapshotSingle();
1019 }
1020
1021 void TapeQuickLoad()
1022 {
1023   char *filename = getTapeFilename(level_nr);
1024
1025   if (!fileExists(filename))
1026   {
1027     Request("No tape for this level!", REQ_CONFIRM);
1028
1029     return;
1030   }
1031
1032   if (tape.recording && !Request("Stop recording and load tape?",
1033                                  REQ_ASK | REQ_STAY_CLOSED))
1034   {
1035     OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
1036
1037     return;
1038   }
1039
1040   if (game_status != GAME_MODE_PLAYING && game_status != GAME_MODE_MAIN)
1041     return;
1042
1043   if (CheckEngineSnapshotSingle())
1044   {
1045     TapeStartGamePlaying();
1046
1047     LoadEngineSnapshotSingle();
1048
1049     DrawCompleteVideoDisplay();
1050
1051     tape.playing = TRUE;
1052     tape.pausing = TRUE;
1053
1054     TapeStopWarpForward();
1055     TapeAppendRecording();
1056
1057     // restart step/move snapshots after quick loading tape
1058     SaveEngineSnapshotToListInitial();
1059
1060     if (FrameCounter > 0)
1061       return;
1062   }
1063
1064   TapeStop();
1065   TapeErase();
1066
1067   LoadTape(level_nr);
1068
1069   if (!TAPE_IS_EMPTY(tape))
1070   {
1071     TapeStartGamePlaying();
1072     TapeStartWarpForward();
1073
1074     tape.quick_resume = TRUE;
1075   }
1076   else  /* this should not happen (basically checked above) */
1077   {
1078     int reopen_door = (game_status == GAME_MODE_PLAYING ? REQ_REOPEN : 0);
1079
1080     Request("No tape for this level!", REQ_CONFIRM | reopen_door);
1081   }
1082 }
1083
1084 void InsertSolutionTape()
1085 {
1086   if (!TAPE_IS_EMPTY(tape))
1087     return;
1088
1089   LoadSolutionTape(level_nr);
1090
1091   if (TAPE_IS_EMPTY(tape))
1092     Request("No solution tape for this level!", REQ_CONFIRM);
1093
1094   DrawCompleteVideoDisplay();
1095 }
1096
1097
1098 /* ------------------------------------------------------------------------- *
1099  * tape autoplay functions
1100  * ------------------------------------------------------------------------- */
1101
1102 void AutoPlayTape()
1103 {
1104   static LevelDirTree *autoplay_leveldir = NULL;
1105   static boolean autoplay_initialized = FALSE;
1106   static int autoplay_level_nr = -1;
1107   static int num_levels_played = 0;
1108   static int num_levels_solved = 0;
1109   static int num_tape_missing = 0;
1110   static boolean level_failed[MAX_TAPES_PER_SET];
1111   int i;
1112
1113   if (autoplay_initialized)
1114   {
1115     /* just finished auto-playing tape */
1116     printf("%s.\n", tape.auto_play_level_solved ? "solved" : "NOT SOLVED");
1117
1118     num_levels_played++;
1119
1120     if (tape.auto_play_level_solved)
1121       num_levels_solved++;
1122     else if (level_nr >= 0 && level_nr < MAX_TAPES_PER_SET)
1123       level_failed[level_nr] = TRUE;
1124   }
1125   else
1126   {
1127     DrawCompleteVideoDisplay();
1128
1129     audio.sound_enabled = FALSE;
1130     setup.engine_snapshot_mode = getStringCopy(STR_SNAPSHOT_MODE_OFF);
1131
1132     autoplay_leveldir = getTreeInfoFromIdentifier(leveldir_first,
1133                                                   global.autoplay_leveldir);
1134
1135     if (autoplay_leveldir == NULL)
1136       Error(ERR_EXIT, "no such level identifier: '%s'",
1137             global.autoplay_leveldir);
1138
1139     leveldir_current = autoplay_leveldir;
1140
1141     if (autoplay_leveldir->first_level < 0)
1142       autoplay_leveldir->first_level = 0;
1143     if (autoplay_leveldir->last_level >= MAX_TAPES_PER_SET)
1144       autoplay_leveldir->last_level = MAX_TAPES_PER_SET - 1;
1145
1146     autoplay_level_nr = autoplay_leveldir->first_level;
1147
1148     printf_line("=", 79);
1149     printf("Automatically playing level tapes\n");
1150     printf_line("-", 79);
1151     printf("Level series identifier: '%s'\n", autoplay_leveldir->identifier);
1152     printf("Level series name:       '%s'\n", autoplay_leveldir->name);
1153     printf("Level series author:     '%s'\n", autoplay_leveldir->author);
1154     printf("Number of levels:        %d\n",   autoplay_leveldir->levels);
1155     printf_line("=", 79);
1156     printf("\n");
1157
1158     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1159       level_failed[i] = FALSE;
1160
1161     autoplay_initialized = TRUE;
1162   }
1163
1164   while (autoplay_level_nr <= autoplay_leveldir->last_level)
1165   {
1166     level_nr = autoplay_level_nr++;
1167
1168     if (!global.autoplay_all && !global.autoplay_level[level_nr])
1169       continue;
1170
1171     TapeErase();
1172
1173     printf("Level %03d: ", level_nr);
1174
1175     LoadLevel(level_nr);
1176     if (level.no_valid_file)
1177     {
1178       printf("(no level)\n");
1179       continue;
1180     }
1181
1182 #if 0
1183     /* ACTIVATE THIS FOR LOADING/TESTING OF LEVELS ONLY */
1184     printf("(only testing level)\n");
1185     continue;
1186 #endif
1187
1188     LoadSolutionTape(level_nr);
1189
1190     if (tape.no_valid_file)
1191     {
1192       num_tape_missing++;
1193
1194       printf("(no tape)\n");
1195
1196       continue;
1197     }
1198
1199     printf("playing tape ... ");
1200
1201     TapeStartGamePlaying();
1202
1203     if (global.autoplay_mode == AUTOPLAY_FFWD)
1204       tape.fast_forward = TRUE;
1205
1206     if (global.autoplay_mode != AUTOPLAY_PLAY)
1207       TapeStartWarpForward();
1208
1209     return;
1210   }
1211
1212   printf("\n");
1213   printf_line("=", 79);
1214   printf("Number of levels played: %d\n", num_levels_played);
1215   printf("Number of levels solved: %d (%d%%)\n", num_levels_solved,
1216          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1217   printf_line("-", 79);
1218   printf("Summary (for automatic parsing by scripts):\n");
1219   printf("LEVELDIR '%s', SOLVED %d/%d (%d%%)",
1220          autoplay_leveldir->identifier, num_levels_solved, num_levels_played,
1221          (num_levels_played ? num_levels_solved * 100 / num_levels_played :0));
1222
1223   if (num_levels_played != num_levels_solved)
1224   {
1225     printf(", FAILED:");
1226     for (i = 0; i < MAX_TAPES_PER_SET; i++)
1227       if (level_failed[i])
1228         printf(" %03d", i);
1229   }
1230
1231   printf("\n");
1232   printf_line("=", 79);
1233
1234   CloseAllAndExit(0);
1235 }
1236
1237
1238 /* ---------- new tape button stuff ---------------------------------------- */
1239
1240 static struct
1241 {
1242   int graphic;
1243   struct XY *pos;
1244   int gadget_id;
1245   char *infotext;
1246 } tapebutton_info[NUM_TAPE_BUTTONS] =
1247 {
1248   {
1249     IMG_GFX_TAPE_BUTTON_EJECT,          &tape.button.eject,
1250     TAPE_CTRL_ID_EJECT,                 "eject tape"
1251   },
1252   {
1253     /* (same position as "eject" button) */
1254     IMG_GFX_TAPE_BUTTON_EXTRA,          &tape.button.eject,
1255     TAPE_CTRL_ID_EXTRA,                 "extra functions"
1256   },
1257   {
1258     IMG_GFX_TAPE_BUTTON_STOP,           &tape.button.stop,
1259     TAPE_CTRL_ID_STOP,                  "stop tape"
1260   },
1261   {
1262     IMG_GFX_TAPE_BUTTON_PAUSE,          &tape.button.pause,
1263     TAPE_CTRL_ID_PAUSE,                 "pause tape"
1264   },
1265   {
1266     IMG_GFX_TAPE_BUTTON_RECORD,         &tape.button.record,
1267     TAPE_CTRL_ID_RECORD,                "record tape"
1268   },
1269   {
1270     IMG_GFX_TAPE_BUTTON_PLAY,           &tape.button.play,
1271     TAPE_CTRL_ID_PLAY,                  "play tape"
1272   }
1273 };
1274
1275 void CreateTapeButtons()
1276 {
1277   int i;
1278
1279   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1280   {
1281     struct GraphicInfo *gfx = &graphic_info[tapebutton_info[i].graphic];
1282     struct XY *pos = tapebutton_info[i].pos;
1283     struct GadgetInfo *gi;
1284     int gd_x = gfx->src_x;
1285     int gd_y = gfx->src_y;
1286     int gd_xp = gfx->src_x + gfx->pressed_xoffset;
1287     int gd_yp = gfx->src_y + gfx->pressed_yoffset;
1288     int id = i;
1289
1290     gi = CreateGadget(GDI_CUSTOM_ID, id,
1291                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
1292                       GDI_X, VX + pos->x,
1293                       GDI_Y, VY + pos->y,
1294                       GDI_WIDTH, gfx->width,
1295                       GDI_HEIGHT, gfx->height,
1296                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
1297                       GDI_STATE, GD_BUTTON_UNPRESSED,
1298                       GDI_DESIGN_UNPRESSED, gfx->bitmap, gd_x, gd_y,
1299                       GDI_DESIGN_PRESSED, gfx->bitmap, gd_xp, gd_yp,
1300                       GDI_DIRECT_DRAW, FALSE,
1301                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
1302                       GDI_CALLBACK_ACTION, HandleTapeButtons,
1303                       GDI_END);
1304
1305     if (gi == NULL)
1306       Error(ERR_EXIT, "cannot create gadget");
1307
1308     tape_gadget[id] = gi;
1309   }
1310 }
1311
1312 void FreeTapeButtons()
1313 {
1314   int i;
1315
1316   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1317     FreeGadget(tape_gadget[i]);
1318 }
1319
1320 void MapTapeEjectButton()
1321 {
1322   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1323   MapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1324 }
1325
1326 void MapTapeWarpButton()
1327 {
1328   UnmapGadget(tape_gadget[TAPE_CTRL_ID_EJECT]);
1329   MapGadget(tape_gadget[TAPE_CTRL_ID_EXTRA]);
1330 }
1331
1332 void MapTapeButtons()
1333 {
1334   int i;
1335
1336   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1337     if (i != TAPE_CTRL_ID_EXTRA)
1338       MapGadget(tape_gadget[i]);
1339
1340   if (tape.recording || tape.playing)
1341     MapTapeWarpButton();
1342
1343   if (tape.show_game_buttons)
1344     MapGameButtons();
1345 }
1346
1347 void UnmapTapeButtons()
1348 {
1349   int i;
1350
1351   for (i = 0; i < NUM_TAPE_BUTTONS; i++)
1352     UnmapGadget(tape_gadget[i]);
1353
1354   if (tape.show_game_buttons)
1355     UnmapGameButtons();
1356 }
1357
1358 static void HandleTapeButtonsExt(int id)
1359 {
1360   if (game_status != GAME_MODE_MAIN && game_status != GAME_MODE_PLAYING)
1361     return;
1362
1363   switch (id)
1364   {
1365     case TAPE_CTRL_ID_EJECT:
1366       TapeStop();
1367
1368       if (TAPE_IS_EMPTY(tape))
1369       {
1370         LoadTape(level_nr);
1371
1372         if (TAPE_IS_EMPTY(tape))
1373           Request("No tape for this level!", REQ_CONFIRM);
1374       }
1375       else
1376       {
1377         if (tape.changed)
1378           SaveTapeChecked(tape.level_nr);
1379
1380         TapeErase();
1381       }
1382
1383       DrawCompleteVideoDisplay();
1384       break;
1385
1386     case TAPE_CTRL_ID_EXTRA:
1387       if (tape.playing)
1388       {
1389         if (!tape.warp_forward)                 /* PLAY -> WARP FORWARD PLAY */
1390         {
1391           TapeStartWarpForward();
1392         }
1393         else                                    /* WARP FORWARD PLAY -> PLAY */
1394         {
1395           TapeStopWarpForward();
1396         }
1397       }
1398       else if (tape.recording)
1399         TapeSingleStep();
1400
1401       break;
1402
1403     case TAPE_CTRL_ID_STOP:
1404       TapeStop();
1405       break;
1406
1407     case TAPE_CTRL_ID_PAUSE:
1408       TapeTogglePause(TAPE_TOGGLE_MANUAL);
1409       break;
1410
1411     case TAPE_CTRL_ID_RECORD:
1412       if (TAPE_IS_STOPPED(tape))
1413         TapeStartGameRecording();
1414       else if (tape.pausing)
1415       {
1416         if (tape.playing)                       /* PLAY -> PAUSE -> RECORD */
1417           TapeAppendRecording();
1418         else
1419           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1420       }
1421       break;
1422
1423     case TAPE_CTRL_ID_PLAY:
1424       if (tape.recording && tape.pausing)       /* PAUSE -> RECORD */
1425       {
1426         // ("TAPE_IS_EMPTY(tape)" is TRUE here -- probably fix this)
1427
1428         TapeTogglePause(TAPE_TOGGLE_MANUAL);
1429       }
1430
1431       if (TAPE_IS_EMPTY(tape))
1432         break;
1433
1434       if (TAPE_IS_STOPPED(tape))
1435       {
1436         TapeStartGamePlaying();
1437       }
1438       else if (tape.playing)
1439       {
1440         if (tape.pausing)                       /* PAUSE -> PLAY */
1441         {
1442           TapeTogglePause(TAPE_TOGGLE_MANUAL);
1443         }
1444         else if (!tape.fast_forward)            /* PLAY -> FAST FORWARD PLAY */
1445         {
1446           tape.fast_forward = TRUE;
1447           DrawVideoDisplay(VIDEO_STATE_FFWD_ON, 0);
1448         }
1449         else if (!tape.pause_before_death)      /* FFWD PLAY -> AUTO PAUSE */
1450         {
1451           tape.pause_before_death = TRUE;
1452           DrawVideoDisplay(VIDEO_STATE_FFWD_OFF | VIDEO_STATE_PBEND_ON, 0);
1453         }
1454         else                                    /* AUTO PAUSE -> NORMAL PLAY */
1455         {
1456           if (tape.warp_forward)
1457             TapeStopWarpForward();
1458
1459           tape.fast_forward = FALSE;
1460           tape.pause_before_death = FALSE;
1461
1462           DrawVideoDisplay(VIDEO_STATE_PBEND_OFF | VIDEO_STATE_PLAY_ON, 0);
1463         }
1464       }
1465       break;
1466
1467     default:
1468       break;
1469   }
1470 }
1471
1472 static void HandleTapeButtons(struct GadgetInfo *gi)
1473 {
1474   HandleTapeButtonsExt(gi->custom_id);
1475 }
1476
1477 void HandleTapeButtonKeys(Key key)
1478 {
1479   boolean eject_button_is_active = TAPE_IS_STOPPED(tape);
1480   boolean extra_button_is_active = !eject_button_is_active;
1481
1482   if (key == setup.shortcut.tape_eject && eject_button_is_active)
1483     HandleTapeButtonsExt(TAPE_CTRL_ID_EJECT);
1484   else if (key == setup.shortcut.tape_extra && extra_button_is_active)
1485     HandleTapeButtonsExt(TAPE_CTRL_ID_EXTRA);
1486   else if (key == setup.shortcut.tape_stop)
1487     HandleTapeButtonsExt(TAPE_CTRL_ID_STOP);
1488   else if (key == setup.shortcut.tape_pause)
1489     HandleTapeButtonsExt(TAPE_CTRL_ID_PAUSE);
1490   else if (key == setup.shortcut.tape_record)
1491     HandleTapeButtonsExt(TAPE_CTRL_ID_RECORD);
1492   else if (key == setup.shortcut.tape_play)
1493     HandleTapeButtonsExt(TAPE_CTRL_ID_PLAY);
1494 }