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