src/tape.c

   1 /***********************************************************
   2 *  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
   3 *----------------------------------------------------------*
   4 *  (c) 1995-98 Artsoft Entertainment                       *
   5 *              Holger Schemel                              *
   6 *              Oststrasse 11a                              *
   7 *              33604 Bielefeld                             *
   8 *              phone: ++49 +521 290471                     *
   9 *              email: aeglos@valinor.owl.de                *
  10 *----------------------------------------------------------*
  11 *  tape.c                                                  *
  12 ***********************************************************/
  13
  14 #include "tape.h"
  15 #include "misc.h"
  16 #include "game.h"
  17 #include "buttons.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "network.h"
  21
  22 /* tape button identifiers */
  23 #define TAPE_CTRL_ID_EJECT              0
  24 #define TAPE_CTRL_ID_STOP               1
  25 #define TAPE_CTRL_ID_PAUSE              2
  26 #define TAPE_CTRL_ID_RECORD             3
  27 #define TAPE_CTRL_ID_PLAY               4
  28
  29 #define NUM_TAPE_BUTTONS                5
  30
  31 /* forward declaration for internal use */
  32 static void HandleTapeButtons(struct GadgetInfo *);
  33
  34 static struct GadgetInfo *tape_gadget[NUM_TAPE_BUTTONS];
  35
  36 void TapeStartRecording()
  37 {
  38   time_t zeit1 = time(NULL);
  39   struct tm *zeit2 = localtime(&zeit1);
  40   int i;
  41
  42   if (!TAPE_IS_STOPPED(tape))
  43     TapeStop();
  44
  45   tape.level_nr = level_nr;
  46   tape.length = 0;
  47   tape.counter = 0;
  48   tape.pos[tape.counter].delay = 0;
  49   tape.recording = TRUE;
  50   tape.playing = FALSE;
  51   tape.pausing = FALSE;
  52   tape.changed = TRUE;
  53   tape.date = 10000*(zeit2->tm_year%100) + 100*zeit2->tm_mon + zeit2->tm_mday;
  54   tape.random_seed = InitRND(NEW_RANDOMIZE);
  55
  56   for(i=0; i<MAX_PLAYERS; i++)
  57     tape.player_participates[i] = FALSE;
  58
  59   DrawVideoDisplay(VIDEO_STATE_REC_ON, 0);
  60   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
  61   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
  62 }
  63
  64 void TapeStopRecording()
  65 {
  66   int i;
  67
  68   if (!tape.recording)
  69     return;
  70
  71   for(i=0; i<MAX_PLAYERS; i++)
  72     tape.pos[tape.counter].action[i] = 0;
  73
  74   tape.counter++;
  75   tape.length = tape.counter;
  76   tape.length_seconds = GetTapeLength();
  77   tape.recording = FALSE;
  78   tape.pausing = FALSE;
  79   DrawVideoDisplay(VIDEO_STATE_REC_OFF, 0);
  80 }
  81
  82 void TapeRecordAction(byte joy[MAX_PLAYERS])
  83 {
  84   int i;
  85
  86   if (!tape.recording || tape.pausing)
  87     return;
  88
  89   if (tape.counter >= MAX_TAPELEN-1)
  90   {
  91     TapeStopRecording();
  92     return;
  93   }
  94
  95   for(i=0; i<MAX_PLAYERS; i++)
  96     tape.pos[tape.counter].action[i] = joy[i];
  97
  98   tape.counter++;
  99   tape.pos[tape.counter].delay = 0;
 100 }
 101
 102 void TapeRecordDelay()
 103 {
 104   int i;
 105
 106   if (!tape.recording || tape.pausing)
 107     return;
 108
 109   if (tape.counter >= MAX_TAPELEN)
 110   {
 111     TapeStopRecording();
 112     return;
 113   }
 114
 115   tape.pos[tape.counter].delay++;
 116
 117   if (tape.pos[tape.counter].delay >= 255)
 118   {
 119     for(i=0; i<MAX_PLAYERS; i++)
 120       tape.pos[tape.counter].action[i] = 0;
 121
 122     tape.counter++;
 123     tape.pos[tape.counter].delay = 0;
 124   }
 125 }
 126
 127 void TapeTogglePause()
 128 {
 129   unsigned long state;
 130
 131   if (!tape.recording && !tape.playing)
 132     return;
 133
 134   tape.pausing = !tape.pausing;
 135   tape.fast_forward = FALSE;
 136   tape.pause_before_death = FALSE;
 137
 138   state = (tape.pausing ? VIDEO_STATE_PAUSE_ON : VIDEO_STATE_PAUSE_OFF);
 139   if (tape.playing)
 140     state |= VIDEO_STATE_PBEND_OFF;
 141
 142   DrawVideoDisplay(state, 0);
 143 }
 144
 145 void TapeStartPlaying()
 146 {
 147   if (TAPE_IS_EMPTY(tape))
 148     return;
 149
 150   if (!TAPE_IS_STOPPED(tape))
 151     TapeStop();
 152
 153   tape.counter = 0;
 154   tape.delay_played = 0;
 155   tape.pause_before_death = FALSE;
 156   tape.recording = FALSE;
 157   tape.playing = TRUE;
 158   tape.pausing = FALSE;
 159   tape.fast_forward = FALSE;
 160   InitRND(tape.random_seed);
 161
 162   DrawVideoDisplay(VIDEO_STATE_PLAY_ON, 0);
 163   DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 164   DrawVideoDisplay(VIDEO_STATE_TIME_ON, 0);
 165 }
 166
 167 void TapeStopPlaying()
 168 {
 169   if (!tape.playing)
 170     return;
 171
 172   tape.playing = FALSE;
 173   tape.pausing = FALSE;
 174   DrawVideoDisplay(VIDEO_STATE_PLAY_OFF, 0);
 175 }
 176
 177 byte *TapePlayAction()
 178 {
 179   static byte joy[MAX_PLAYERS];
 180   int i;
 181
 182   if (!tape.playing || tape.pausing)
 183     return(NULL);
 184
 185   if (tape.counter >= tape.length)
 186   {
 187     TapeStop();
 188     return(NULL);
 189   }
 190
 191   if (tape.delay_played == tape.pos[tape.counter].delay)
 192   {
 193     tape.delay_played = 0;
 194     tape.counter++;
 195
 196     for(i=0; i<MAX_PLAYERS; i++)
 197       joy[i] = tape.pos[tape.counter-1].action[i];
 198   }
 199   else
 200   {
 201     for(i=0; i<MAX_PLAYERS; i++)
 202       joy[i] = 0;
 203   }
 204
 205   return(joy);
 206 }
 207
 208 boolean TapePlayDelay()
 209 {
 210   if (!tape.playing || tape.pausing)
 211     return(FALSE);
 212
 213   if (tape.pause_before_death)  /* STOP 10s BEFORE PLAYER GETS KILLED... */
 214   {
 215     if (!(FrameCounter % 20))
 216     {
 217       if ((FrameCounter / 20) % 2)
 218         DrawVideoDisplay(VIDEO_STATE_PBEND_ON, VIDEO_DISPLAY_LABEL_ONLY);
 219       else
 220         DrawVideoDisplay(VIDEO_STATE_PBEND_OFF, VIDEO_DISPLAY_LABEL_ONLY);
 221     }
 222
 223     if (TimePlayed > tape.length_seconds - PAUSE_SECONDS_BEFORE_DEATH)
 224     {
 225       TapeTogglePause();
 226       return(FALSE);
 227     }
 228   }
 229
 230   if (tape.counter >= tape.length)
 231   {
 232     TapeStop();
 233     return(TRUE);
 234   }
 235
 236   if (tape.delay_played < tape.pos[tape.counter].delay)
 237   {
 238     tape.delay_played++;
 239     return(TRUE);
 240   }
 241   else
 242     return(FALSE);
 243 }
 244
 245 void TapeStop()
 246 {
 247   TapeStopRecording();
 248   TapeStopPlaying();
 249
 250   DrawVideoDisplay(VIDEO_STATE_PAUSE_OFF,0);
 251   if (tape.date && tape.length)
 252   {
 253     DrawVideoDisplay(VIDEO_STATE_DATE_ON, tape.date);
 254     DrawVideoDisplay(VIDEO_STATE_TIME_ON, tape.length_seconds);
 255   }
 256 }
 257
 258 void TapeErase()
 259 {
 260   tape.length = 0;
 261 }
 262
 263 unsigned int GetTapeLength()
 264 {
 265   unsigned int tape_length = 0;
 266   int i;
 267
 268   if (TAPE_IS_EMPTY(tape))
 269     return(0);
 270
 271   for(i=0;i<tape.length;i++)
 272     tape_length += tape.pos[i].delay;
 273
 274   return(tape_length * GAME_FRAME_DELAY / 1000);
 275 }
 276
 277 /* ---------- new tape button stuff ---------------------------------------- */
 278
 279 /* graphic position values for tape buttons */
 280 #define TAPE_BUTTON_XSIZE       18
 281 #define TAPE_BUTTON_YSIZE       18
 282 #define TAPE_BUTTON_XPOS        5
 283 #define TAPE_BUTTON_YPOS        77
 284
 285 #define TAPE_BUTTON_EJECT_XPOS  (TAPE_BUTTON_XPOS + 0 * TAPE_BUTTON_XSIZE)
 286 #define TAPE_BUTTON_STOP_XPOS   (TAPE_BUTTON_XPOS + 1 * TAPE_BUTTON_XSIZE)
 287 #define TAPE_BUTTON_PAUSE_XPOS  (TAPE_BUTTON_XPOS + 2 * TAPE_BUTTON_XSIZE)
 288 #define TAPE_BUTTON_RECORD_XPOS (TAPE_BUTTON_XPOS + 3 * TAPE_BUTTON_XSIZE)
 289 #define TAPE_BUTTON_PLAY_XPOS   (TAPE_BUTTON_XPOS + 4 * TAPE_BUTTON_XSIZE)
 290
 291 static struct
 292 {
 293   int x, y;
 294   int gadget_id;
 295   char *infotext;
 296 } tapebutton_info[NUM_TAPE_BUTTONS] =
 297 {
 298   {
 299     TAPE_BUTTON_EJECT_XPOS,     TAPE_BUTTON_YPOS,
 300     TAPE_CTRL_ID_EJECT,
 301     "eject tape"
 302   },
 303   {
 304     TAPE_BUTTON_STOP_XPOS,      TAPE_BUTTON_YPOS,
 305     TAPE_CTRL_ID_STOP,
 306     "stop tape"
 307   },
 308   {
 309     TAPE_BUTTON_PAUSE_XPOS,     TAPE_BUTTON_YPOS,
 310     TAPE_CTRL_ID_PAUSE,
 311     "pause tape"
 312   },
 313   {
 314     TAPE_BUTTON_RECORD_XPOS,    TAPE_BUTTON_YPOS,
 315     TAPE_CTRL_ID_RECORD,
 316     "record tape"
 317   },
 318   {
 319     TAPE_BUTTON_PLAY_XPOS,      TAPE_BUTTON_YPOS,
 320     TAPE_CTRL_ID_PLAY,
 321     "play tape"
 322   }
 323 };
 324
 325 void CreateTapeButtons()
 326 {
 327   int i;
 328
 329   for (i=0; i<NUM_TAPE_BUTTONS; i++)
 330   {
 331     Bitmap gd_bitmap = pix[PIX_DOOR];
 332     struct GadgetInfo *gi;
 333     int gd_xoffset, gd_yoffset;
 334     int gd_x1, gd_x2, gd_y;
 335     int id = i;
 336
 337     gd_xoffset = tapebutton_info[i].x;
 338     gd_yoffset = tapebutton_info[i].y;
 339     gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
 340     gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
 341     gd_y  = DOOR_GFX_PAGEY2 + gd_yoffset;
 342
 343     gi = CreateGadget(GDI_CUSTOM_ID, id,
 344                       GDI_INFO_TEXT, tapebutton_info[i].infotext,
 345                       GDI_X, VX + gd_xoffset,
 346                       GDI_Y, VY + gd_yoffset,
 347                       GDI_WIDTH, TAPE_BUTTON_XSIZE,
 348                       GDI_HEIGHT, TAPE_BUTTON_YSIZE,
 349                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
 350                       GDI_STATE, GD_BUTTON_UNPRESSED,
 351                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
 352                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
 353                       GDI_EVENT_MASK, GD_EVENT_RELEASED,
 354                       GDI_CALLBACK_ACTION, HandleTapeButtons,
 355                       GDI_END);
 356
 357     if (gi == NULL)
 358       Error(ERR_EXIT, "cannot create gadget");
 359
 360     tape_gadget[id] = gi;
 361   }
 362 }
 363
 364 void MapTapeButtons()
 365 {
 366   int i;
 367
 368   for (i=0; i<NUM_TAPE_BUTTONS; i++)
 369     MapGadget(tape_gadget[i]);
 370 }
 371
 372 void UnmapTapeButtons()
 373 {
 374   int i;
 375
 376   for (i=0; i<NUM_TAPE_BUTTONS; i++)
 377     UnmapGadget(tape_gadget[i]);
 378 }
 379
 380 static void HandleTapeButtons(struct GadgetInfo *gi)
 381 {
 382   int id = gi->custom_id;
 383
 384   if (game_status != MAINMENU && game_status != PLAYING)
 385     return;
 386
 387   switch (id)
 388   {
 389     case TAPE_CTRL_ID_EJECT:
 390       TapeStop();
 391       if (TAPE_IS_EMPTY(tape))
 392       {
 393         LoadTape(level_nr);
 394         if (TAPE_IS_EMPTY(tape))
 395           Request("No tape for this level !", REQ_CONFIRM);
 396       }
 397       else
 398       {
 399         if (tape.changed)
 400           SaveTape(tape.level_nr);
 401         TapeErase();
 402       }
 403       DrawCompleteVideoDisplay();
 404       break;
 405
 406     case TAPE_CTRL_ID_STOP:
 407       TapeStop();
 408       break;
 409
 410     case TAPE_CTRL_ID_PAUSE:
 411       TapeTogglePause();
 412       break;
 413
 414     case TAPE_CTRL_ID_RECORD:
 415       if (TAPE_IS_STOPPED(tape))
 416       {
 417         TapeStartRecording();
 418
 419 #ifndef MSDOS
 420         if (options.network)
 421           SendToServer_StartPlaying();
 422         else
 423 #endif
 424         {
 425           game_status = PLAYING;
 426           InitGame();
 427         }
 428       }
 429       else if (tape.pausing)
 430       {
 431         if (tape.playing)       /* PLAYING -> PAUSING -> RECORDING */
 432         {
 433           tape.pos[tape.counter].delay = tape.delay_played;
 434           tape.playing = FALSE;
 435           tape.recording = TRUE;
 436           tape.changed = TRUE;
 437
 438           DrawVideoDisplay(VIDEO_STATE_PLAY_OFF | VIDEO_STATE_REC_ON,0);
 439         }
 440         else
 441           TapeTogglePause();
 442       }
 443       break;
 444
 445     case TAPE_CTRL_ID_PLAY:
 446       if (TAPE_IS_EMPTY(tape))
 447         break;
 448
 449       if (TAPE_IS_STOPPED(tape))
 450       {
 451         TapeStartPlaying();
 452
 453         game_status = PLAYING;
 454         InitGame();
 455       }
 456       else if (tape.playing)
 457       {
 458         if (tape.pausing)                       /* PAUSE -> PLAY */
 459           TapeTogglePause();
 460         else if (!tape.fast_forward)            /* PLAY -> FAST FORWARD PLAY */
 461         {
 462           tape.fast_forward = TRUE;
 463           DrawVideoDisplay(VIDEO_STATE_FFWD_ON, 0);
 464         }
 465         else if (!tape.pause_before_death)      /* FFWD PLAY -> + AUTO PAUSE */
 466         {
 467           tape.pause_before_death = TRUE;
 468           DrawVideoDisplay(VIDEO_STATE_PBEND_ON, VIDEO_DISPLAY_LABEL_ONLY);
 469         }
 470         else                                    /* -> NORMAL PLAY */
 471         {
 472           tape.fast_forward = FALSE;
 473           tape.pause_before_death = FALSE;
 474           DrawVideoDisplay(VIDEO_STATE_FFWD_OFF | VIDEO_STATE_PBEND_OFF, 0);
 475         }
 476       }
 477       break;
 478
 479     default:
 480       break;
 481   }
 482 }