src/cartoons.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 *  cartoons.c                                              *
  12 ***********************************************************/
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "cartoons.h"
  17 #include "main.h"
  18 #include "tools.h"
  19
  20 static void HandleAnimation(int);
  21 static boolean AnimateToon(int, boolean);
  22 static void DrawAnim(Bitmap, GC, int, int, int, int, int, int, int, int);
  23
  24 struct AnimInfo
  25 {
  26   int width, height;
  27   int src_x, src_y;
  28   int frames;
  29   int frames_per_second;
  30   int stepsize;
  31   boolean pingpong;
  32   int direction;
  33   int position;
  34 };
  35
  36 /* values for cartoon figures */
  37 #define NUM_TOONS       18
  38
  39 #define DWARF_XSIZE     40
  40 #define DWARF_YSIZE     48
  41 #define DWARF_X         2
  42 #define DWARF_Y         72
  43 #define DWARF2_Y        186
  44 #define DWARF_FRAMES    8
  45 #define DWARF_FPS       10
  46 #define DWARF_STEPSIZE  4
  47 #define JUMPER_XSIZE    48
  48 #define JUMPER_YSIZE    56
  49 #define JUMPER_X        2
  50 #define JUMPER_Y        125
  51 #define JUMPER_FRAMES   8
  52 #define JUMPER_FPS      10
  53 #define JUMPER_STEPSIZE 4
  54 #define CLOWN_XSIZE     80
  55 #define CLOWN_YSIZE     110
  56 #define CLOWN_X         327
  57 #define CLOWN_Y         10
  58 #define CLOWN_FRAMES    1
  59 #define CLOWN_FPS       10
  60 #define CLOWN_STEPSIZE  4
  61 #define BIRD_XSIZE      32
  62 #define BIRD_YSIZE      30
  63 #define BIRD1_X         2
  64 #define BIRD1_Y         2
  65 #define BIRD2_X         2
  66 #define BIRD2_Y         37
  67 #define BIRD_FRAMES     8
  68 #define BIRD_FPS        20
  69 #define BIRD_STEPSIZE   4
  70
  71 #define GAMETOON_XSIZE          TILEX
  72 #define GAMETOON_YSIZE          TILEY
  73 #define GAMETOON_FRAMES_4       4
  74 #define GAMETOON_FRAMES_8       8
  75 #define GAMETOON_FPS            20
  76 #define GAMETOON_STEPSIZE       4
  77
  78 #define ANIMDIR_LEFT    1
  79 #define ANIMDIR_RIGHT   2
  80 #define ANIMDIR_UP      4
  81 #define ANIMDIR_DOWN    8
  82
  83 #define ANIMPOS_ANY     0
  84 #define ANIMPOS_LEFT    1
  85 #define ANIMPOS_RIGHT   2
  86 #define ANIMPOS_UP      4
  87 #define ANIMPOS_DOWN    8
  88 #define ANIMPOS_UPPER   16
  89
  90 #define ANIM_START      0
  91 #define ANIM_CONTINUE   1
  92 #define ANIM_STOP       2
  93
  94 void InitAnimation()
  95 {
  96   HandleAnimation(ANIM_START);
  97 }
  98
  99 void StopAnimation()
 100 {
 101   HandleAnimation(ANIM_STOP);
 102 }
 103
 104 void DoAnimation()
 105 {
 106   HandleAnimation(ANIM_CONTINUE);
 107 }
 108
 109 void HandleAnimation(int mode)
 110 {
 111   static unsigned long animstart_delay = -1;
 112   static unsigned long animstart_delay_value = 0;
 113   static boolean anim_restart = TRUE;
 114   static boolean reset_delay = TRUE;
 115   static int toon_nr = 0;
 116   int draw_mode;
 117
 118   if (!setup.toons)
 119     return;
 120
 121   switch(mode)
 122   {
 123     case ANIM_START:
 124       anim_restart = TRUE;
 125       reset_delay = TRUE;
 126
 127       /* Fill empty backbuffer for animation functions */
 128       if (setup.direct_draw && game_status == PLAYING)
 129       {
 130         int xx,yy;
 131
 132         SetDrawtoField(DRAW_BACKBUFFER);
 133
 134         for(xx=0; xx<SCR_FIELDX; xx++)
 135           for(yy=0; yy<SCR_FIELDY; yy++)
 136             DrawScreenField(xx,yy);
 137         DrawAllPlayers();
 138
 139         SetDrawtoField(DRAW_DIRECT);
 140       }
 141
 142       if (setup.soft_scrolling && game_status == PLAYING)
 143       {
 144         int fx = FX, fy = FY;
 145
 146         fx += (ScreenMovDir & (MV_LEFT|MV_RIGHT) ? ScreenGfxPos : 0);
 147         fy += (ScreenMovDir & (MV_UP|MV_DOWN)    ? ScreenGfxPos : 0);
 148
 149         BlitBitmap(fieldbuffer, backbuffer, fx,fy, SXSIZE,SYSIZE, SX,SY);
 150       }
 151
 152       return;
 153       break;
 154     case ANIM_CONTINUE:
 155       break;
 156     case ANIM_STOP:
 157       redraw_mask |= (REDRAW_FIELD | REDRAW_FROM_BACKBUFFER);
 158
 159       /* Redraw background even when in direct drawing mode */
 160       draw_mode = setup.direct_draw;
 161       setup.direct_draw = FALSE;
 162
 163       BackToFront();
 164
 165       setup.direct_draw = draw_mode;
 166
 167       return;
 168       break;
 169     default:
 170       break;
 171   }
 172
 173   if (reset_delay)
 174   {
 175     animstart_delay = Counter();
 176     animstart_delay_value = SimpleRND(3000);
 177     reset_delay = FALSE;
 178   }
 179
 180   if (anim_restart)
 181   {
 182     if (!DelayReached(&animstart_delay, animstart_delay_value))
 183       return;
 184
 185     toon_nr = SimpleRND(NUM_TOONS);
 186   }
 187
 188   anim_restart = reset_delay = AnimateToon(toon_nr,anim_restart);
 189 }
 190
 191 boolean AnimateToon(int toon_nr, boolean restart)
 192 {
 193   static int pos_x = 0, pos_y = 0;
 194   static int delta_x = 0, delta_y = 0;
 195   static int frame = 0, frame_step = 1;
 196   static boolean horiz_move, vert_move;
 197   static unsigned long anim_delay = 0;
 198   static unsigned long anim_delay_value = 0;
 199   static int width,height;
 200   static int pad_x,pad_y;
 201   static int cut_x,cut_y;
 202   static int src_x, src_y;
 203   static int dest_x, dest_y;
 204   static struct AnimInfo toon[NUM_TOONS] =
 205   {
 206     {
 207       DWARF_XSIZE, DWARF_YSIZE,
 208       DWARF_X, DWARF_Y,
 209       DWARF_FRAMES,
 210       DWARF_FPS,
 211       DWARF_STEPSIZE,
 212       ANIM_NORMAL,
 213       ANIMDIR_RIGHT,
 214       ANIMPOS_DOWN
 215     },
 216     {
 217       DWARF_XSIZE, DWARF_YSIZE,
 218       DWARF_X, DWARF2_Y,
 219       DWARF_FRAMES,
 220       DWARF_FPS,
 221       DWARF_STEPSIZE,
 222       ANIM_NORMAL,
 223       ANIMDIR_LEFT,
 224       ANIMPOS_DOWN
 225     },
 226     {
 227       JUMPER_XSIZE, JUMPER_YSIZE,
 228       JUMPER_X, JUMPER_Y,
 229       JUMPER_FRAMES,
 230       JUMPER_FPS,
 231       JUMPER_STEPSIZE,
 232       ANIM_NORMAL,
 233       ANIMDIR_RIGHT,
 234       ANIMPOS_DOWN
 235     },
 236     {
 237       CLOWN_XSIZE, CLOWN_YSIZE,
 238       CLOWN_X, CLOWN_Y,
 239       CLOWN_FRAMES,
 240       CLOWN_FPS,
 241       CLOWN_STEPSIZE,
 242       ANIM_NORMAL,
 243       ANIMDIR_UP,
 244       ANIMPOS_ANY
 245     },
 246     {
 247       BIRD_XSIZE, BIRD_YSIZE,
 248       BIRD1_X, BIRD1_Y,
 249       BIRD_FRAMES,
 250       BIRD_FPS,
 251       BIRD_STEPSIZE,
 252       ANIM_OSCILLATE,
 253       ANIMDIR_RIGHT,
 254       ANIMPOS_UPPER
 255     },
 256     {
 257       BIRD_XSIZE, BIRD_YSIZE,
 258       BIRD2_X, BIRD2_Y,
 259       BIRD_FRAMES,
 260       BIRD_FPS,
 261       BIRD_STEPSIZE,
 262       ANIM_OSCILLATE,
 263       ANIMDIR_LEFT,
 264       ANIMPOS_UPPER
 265     },
 266     {
 267       GAMETOON_XSIZE, GAMETOON_YSIZE,
 268       ((GFX_SPIELER1_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 269       ((GFX_SPIELER1_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 270       GAMETOON_FRAMES_4,
 271       GAMETOON_FPS,
 272       GAMETOON_STEPSIZE,
 273       ANIM_NORMAL,
 274       ANIMDIR_LEFT,
 275       ANIMPOS_DOWN
 276     },
 277     {
 278       GAMETOON_XSIZE, GAMETOON_YSIZE,
 279       ((GFX_SPIELER1_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 280       ((GFX_SPIELER1_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 281       GAMETOON_FRAMES_4,
 282       GAMETOON_FPS,
 283       GAMETOON_STEPSIZE,
 284       ANIM_NORMAL,
 285       ANIMDIR_RIGHT,
 286       ANIMPOS_DOWN
 287     },
 288     {
 289       GAMETOON_XSIZE, GAMETOON_YSIZE,
 290       ((GFX_PINGUIN_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 291       ((GFX_PINGUIN_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 292       GAMETOON_FRAMES_4,
 293       GAMETOON_FPS,
 294       GAMETOON_STEPSIZE,
 295       ANIM_NORMAL,
 296       ANIMDIR_LEFT,
 297       ANIMPOS_DOWN
 298     },
 299     {
 300       GAMETOON_XSIZE, GAMETOON_YSIZE,
 301       ((GFX_PINGUIN_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 302       ((GFX_PINGUIN_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 303       GAMETOON_FRAMES_4,
 304       GAMETOON_FPS,
 305       GAMETOON_STEPSIZE,
 306       ANIM_NORMAL,
 307       ANIMDIR_RIGHT,
 308       ANIMPOS_DOWN
 309     },
 310     {
 311       GAMETOON_XSIZE, GAMETOON_YSIZE,
 312       ((GFX_MOLE_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 313       ((GFX_MOLE_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 314       GAMETOON_FRAMES_4,
 315       GAMETOON_FPS,
 316       GAMETOON_STEPSIZE,
 317       ANIM_NORMAL,
 318       ANIMDIR_LEFT,
 319       ANIMPOS_DOWN
 320     },
 321     {
 322       GAMETOON_XSIZE, GAMETOON_YSIZE,
 323       ((GFX_MOLE_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 324       ((GFX_MOLE_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 325       GAMETOON_FRAMES_4,
 326       GAMETOON_FPS,
 327       GAMETOON_STEPSIZE,
 328       ANIM_NORMAL,
 329       ANIMDIR_RIGHT,
 330       ANIMPOS_DOWN
 331     },
 332     {
 333       GAMETOON_XSIZE, GAMETOON_YSIZE,
 334       ((GFX_SCHWEIN_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 335       ((GFX_SCHWEIN_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 336       GAMETOON_FRAMES_4,
 337       GAMETOON_FPS,
 338       GAMETOON_STEPSIZE,
 339       ANIM_NORMAL,
 340       ANIMDIR_LEFT,
 341       ANIMPOS_DOWN
 342     },
 343     {
 344       GAMETOON_XSIZE, GAMETOON_YSIZE,
 345       ((GFX_SCHWEIN_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 346       ((GFX_SCHWEIN_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 347       GAMETOON_FRAMES_4,
 348       GAMETOON_FPS,
 349       GAMETOON_STEPSIZE,
 350       ANIM_NORMAL,
 351       ANIMDIR_RIGHT,
 352       ANIMPOS_DOWN
 353     },
 354     {
 355       GAMETOON_XSIZE, GAMETOON_YSIZE,
 356       ((GFX_DRACHE_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 357       ((GFX_DRACHE_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 358       GAMETOON_FRAMES_4,
 359       GAMETOON_FPS,
 360       GAMETOON_STEPSIZE,
 361       ANIM_NORMAL,
 362       ANIMDIR_LEFT,
 363       ANIMPOS_DOWN
 364     },
 365     {
 366       GAMETOON_XSIZE, GAMETOON_YSIZE,
 367       ((GFX_DRACHE_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 368       ((GFX_DRACHE_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 369       GAMETOON_FRAMES_4,
 370       GAMETOON_FPS,
 371       GAMETOON_STEPSIZE,
 372       ANIM_NORMAL,
 373       ANIMDIR_RIGHT,
 374       ANIMPOS_DOWN
 375     },
 376     {
 377       GAMETOON_XSIZE, GAMETOON_YSIZE,
 378       ((GFX_SONDE - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 379       ((GFX_SONDE - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 380       GAMETOON_FRAMES_8,
 381       GAMETOON_FPS,
 382       GAMETOON_STEPSIZE,
 383       ANIM_NORMAL,
 384       ANIMDIR_LEFT,
 385       ANIMPOS_ANY
 386     },
 387     {
 388       GAMETOON_XSIZE, GAMETOON_YSIZE,
 389       ((GFX_SONDE - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 390       ((GFX_SONDE - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 391       GAMETOON_FRAMES_8,
 392       GAMETOON_FPS,
 393       GAMETOON_STEPSIZE,
 394       ANIM_NORMAL,
 395       ANIMDIR_RIGHT,
 396       ANIMPOS_ANY
 397     },
 398   };
 399   struct AnimInfo *anim = &toon[toon_nr];
 400   int anim_bitmap_nr = (toon_nr < 6 ? PIX_TOONS : PIX_HEROES);
 401   Bitmap anim_bitmap = pix_masked[anim_bitmap_nr];
 402   GC anim_clip_gc = clip_gc[anim_bitmap_nr];
 403
 404   if (restart)
 405   {
 406     horiz_move = (anim->direction & (ANIMDIR_LEFT | ANIMDIR_RIGHT));
 407     vert_move = (anim->direction & (ANIMDIR_UP | ANIMDIR_DOWN));
 408     anim_delay_value = 1000/anim->frames_per_second;
 409     frame = 0;
 410
 411     if (horiz_move)
 412     {
 413       if (anim->position==ANIMPOS_UP)
 414         pos_y = 0;
 415       else if (anim->position==ANIMPOS_DOWN)
 416         pos_y = FULL_SYSIZE-anim->height;
 417       else if (anim->position==ANIMPOS_UPPER)
 418         pos_y = SimpleRND((FULL_SYSIZE-anim->height)/2);
 419       else
 420         pos_y = SimpleRND(FULL_SYSIZE-anim->height);
 421
 422       if (anim->direction==ANIMDIR_RIGHT)
 423       {
 424         delta_x = anim->stepsize;
 425         pos_x = -anim->width+delta_x;
 426       }
 427       else
 428       {
 429         delta_x = -anim->stepsize;
 430         pos_x = FULL_SXSIZE+delta_x;
 431       }
 432       delta_y = 0;
 433     }
 434     else
 435     {
 436       if (anim->position==ANIMPOS_LEFT)
 437         pos_x = 0;
 438       else if (anim->position==ANIMPOS_RIGHT)
 439         pos_x = FULL_SXSIZE-anim->width;
 440       else
 441         pos_x = SimpleRND(FULL_SXSIZE-anim->width);
 442
 443       if (anim->direction==ANIMDIR_DOWN)
 444       {
 445         delta_y = anim->stepsize;
 446         pos_y = -anim->height+delta_y;
 447       }
 448       else
 449       {
 450         delta_y = -anim->stepsize;
 451         pos_y = FULL_SYSIZE+delta_y;
 452       }
 453       delta_x = 0;
 454     }
 455   }
 456
 457   if (pos_x <= -anim->width  - anim->stepsize ||
 458       pos_x >=  FULL_SXSIZE  + anim->stepsize ||
 459       pos_y <= -anim->height - anim->stepsize ||
 460       pos_y >=  FULL_SYSIZE  + anim->stepsize)
 461     return(TRUE);
 462
 463   if (!DelayReached(&anim_delay, anim_delay_value))
 464   {
 465     if ((game_status == HELPSCREEN ||
 466          (game_status == MAINMENU && redraw_mask & REDRAW_MICROLEVEL))
 467         && !restart)
 468       DrawAnim(anim_bitmap, anim_clip_gc,
 469                src_x + cut_x, src_y + cut_y, width, height,
 470                REAL_SX + dest_x, REAL_SY + dest_y, pad_x, pad_y);
 471
 472     return(FALSE);
 473   }
 474
 475   if (pos_x<-anim->width)
 476     pos_x = -anim->width;
 477   else if (pos_x>FULL_SXSIZE)
 478     pos_x = FULL_SXSIZE;
 479   if (pos_y<-anim->height)
 480     pos_y = -anim->height;
 481   else if (pos_y>FULL_SYSIZE)
 482     pos_y = FULL_SYSIZE;
 483
 484   pad_x = (horiz_move ? anim->stepsize : 0);
 485   pad_y = (vert_move  ? anim->stepsize : 0);
 486   src_x = anim->src_x + frame * anim->width;
 487   src_y = anim->src_y;
 488   dest_x = pos_x;
 489   dest_y = pos_y;
 490   cut_x = cut_y = 0;
 491   width  = anim->width;
 492   height = anim->height;
 493
 494   if (pos_x<0)
 495   {
 496     dest_x = 0;
 497     width += pos_x;
 498     cut_x = -pos_x;
 499   }
 500   else if (pos_x>FULL_SXSIZE-anim->width)
 501     width -= (pos_x - (FULL_SXSIZE-anim->width));
 502
 503   if (pos_y<0)
 504   {
 505     dest_y = 0;
 506     height += pos_y;
 507     cut_y = -pos_y;
 508   }
 509   else if (pos_y>FULL_SYSIZE-anim->height)
 510     height -= (pos_y - (FULL_SYSIZE-anim->height));
 511
 512   DrawAnim(anim_bitmap,anim_clip_gc,
 513            src_x+cut_x,src_y+cut_y, width,height,
 514            REAL_SX+dest_x,REAL_SY+dest_y, pad_x,pad_y);
 515
 516   pos_x += delta_x;
 517   pos_y += delta_y;
 518   frame += frame_step;
 519
 520   if (frame<0 || frame>=anim->frames)
 521   {
 522     if (anim->pingpong)
 523     {
 524       frame_step *= -1;
 525       frame = (frame<0 ? 1 : anim->frames-2);
 526     }
 527     else
 528       frame = (frame<0 ? anim->frames-1 : 0);
 529   }
 530
 531   return(FALSE);
 532 }
 533
 534 void DrawAnim(Bitmap toon_bitmap, GC toon_clip_gc,
 535               int src_x, int src_y, int width, int height,
 536               int dest_x, int dest_y, int pad_x, int pad_y)
 537 {
 538   int buf_x = DOOR_GFX_PAGEX3, buf_y = DOOR_GFX_PAGEY1;
 539
 540 #if 1
 541   /* special method to avoid flickering interference with BackToFront() */
 542   BlitBitmap(backbuffer, pix[PIX_DB_DOOR], dest_x-pad_x, dest_y-pad_y,
 543              width+2*pad_x, height+2*pad_y, buf_x, buf_y);
 544   SetClipOrigin(toon_clip_gc, dest_x-src_x, dest_y-src_y);
 545   BlitBitmapMasked(toon_bitmap, backbuffer,
 546                    src_x, src_y, width, height, dest_x, dest_y);
 547   BlitBitmap(backbuffer, window, dest_x-pad_x, dest_y-pad_y,
 548              width+2*pad_x, height+2*pad_y, dest_x-pad_x, dest_y-pad_y);
 549   BackToFront();
 550   BlitBitmap(pix[PIX_DB_DOOR], backbuffer, buf_x, buf_y,
 551             width+2*pad_x, height+2*pad_y, dest_x-pad_x, dest_y-pad_y);
 552 #else
 553   /* normal method, causing flickering interference with BackToFront() */
 554   BlitBitmap(backbuffer, pix[PIX_DB_DOOR], dest_x-pad_x, dest_y-pad_y,
 555              width+2*pad_x, height+2*pad_y, buf_x, buf_y);
 556   SetClipOrigin(toon_clip_gc, buf_x-src_x+pad_x, buf_y-src_y+pad_y);
 557   BlitBitmapMasked(toon_bitmap, pix[PIX_DB_DOOR],
 558                    src_x, src_y, width, height, buf_x+pad_x, buf_y+pad_y);
 559   BlitBitmap(pix[PIX_DB_DOOR], window, buf_x, buf_y,
 560              width+2*pad_x, height+2*pad_y, dest_x-pad_x, dest_y-pad_y);
 561 #endif
 562
 563   FlushDisplay();
 564 }