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(Pixmap, 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         XCopyArea(display,fieldbuffer,backbuffer,gc,
 149                   fx,fy, SXSIZE,SYSIZE,
 150                   SX,SY);
 151       }
 152
 153       return;
 154       break;
 155     case ANIM_CONTINUE:
 156       break;
 157     case ANIM_STOP:
 158       redraw_mask |= (REDRAW_FIELD | REDRAW_FROM_BACKBUFFER);
 159
 160       /* Redraw background even when in direct drawing mode */
 161       draw_mode = setup.direct_draw;
 162       setup.direct_draw = FALSE;
 163
 164       BackToFront();
 165
 166       setup.direct_draw = draw_mode;
 167
 168       return;
 169       break;
 170     default:
 171       break;
 172   }
 173
 174   if (reset_delay)
 175   {
 176     animstart_delay = Counter();
 177     animstart_delay_value = SimpleRND(3000);
 178     reset_delay = FALSE;
 179   }
 180
 181   if (anim_restart)
 182   {
 183     if (!DelayReached(&animstart_delay, animstart_delay_value))
 184       return;
 185
 186     toon_nr = SimpleRND(NUM_TOONS);
 187   }
 188
 189   anim_restart = reset_delay = AnimateToon(toon_nr,anim_restart);
 190 }
 191
 192 boolean AnimateToon(int toon_nr, boolean restart)
 193 {
 194   static int pos_x = 0, pos_y = 0;
 195   static int delta_x = 0, delta_y = 0;
 196   static int frame = 0, frame_step = 1;
 197   static boolean horiz_move, vert_move;
 198   static unsigned long anim_delay = 0;
 199   static unsigned long anim_delay_value = 0;
 200   static int width,height;
 201   static int pad_x,pad_y;
 202   static int cut_x,cut_y;
 203   static int src_x, src_y;
 204   static int dest_x, dest_y;
 205   static struct AnimInfo toon[NUM_TOONS] =
 206   {
 207     {
 208       DWARF_XSIZE, DWARF_YSIZE,
 209       DWARF_X, DWARF_Y,
 210       DWARF_FRAMES,
 211       DWARF_FPS,
 212       DWARF_STEPSIZE,
 213       ANIM_NORMAL,
 214       ANIMDIR_RIGHT,
 215       ANIMPOS_DOWN
 216     },
 217     {
 218       DWARF_XSIZE, DWARF_YSIZE,
 219       DWARF_X, DWARF2_Y,
 220       DWARF_FRAMES,
 221       DWARF_FPS,
 222       DWARF_STEPSIZE,
 223       ANIM_NORMAL,
 224       ANIMDIR_LEFT,
 225       ANIMPOS_DOWN
 226     },
 227     {
 228       JUMPER_XSIZE, JUMPER_YSIZE,
 229       JUMPER_X, JUMPER_Y,
 230       JUMPER_FRAMES,
 231       JUMPER_FPS,
 232       JUMPER_STEPSIZE,
 233       ANIM_NORMAL,
 234       ANIMDIR_RIGHT,
 235       ANIMPOS_DOWN
 236     },
 237     {
 238       CLOWN_XSIZE, CLOWN_YSIZE,
 239       CLOWN_X, CLOWN_Y,
 240       CLOWN_FRAMES,
 241       CLOWN_FPS,
 242       CLOWN_STEPSIZE,
 243       ANIM_NORMAL,
 244       ANIMDIR_UP,
 245       ANIMPOS_ANY
 246     },
 247     {
 248       BIRD_XSIZE, BIRD_YSIZE,
 249       BIRD1_X, BIRD1_Y,
 250       BIRD_FRAMES,
 251       BIRD_FPS,
 252       BIRD_STEPSIZE,
 253       ANIM_OSCILLATE,
 254       ANIMDIR_RIGHT,
 255       ANIMPOS_UPPER
 256     },
 257     {
 258       BIRD_XSIZE, BIRD_YSIZE,
 259       BIRD2_X, BIRD2_Y,
 260       BIRD_FRAMES,
 261       BIRD_FPS,
 262       BIRD_STEPSIZE,
 263       ANIM_OSCILLATE,
 264       ANIMDIR_LEFT,
 265       ANIMPOS_UPPER
 266     },
 267     {
 268       GAMETOON_XSIZE, GAMETOON_YSIZE,
 269       ((GFX_SPIELER1_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 270       ((GFX_SPIELER1_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 271       GAMETOON_FRAMES_4,
 272       GAMETOON_FPS,
 273       GAMETOON_STEPSIZE,
 274       ANIM_NORMAL,
 275       ANIMDIR_LEFT,
 276       ANIMPOS_DOWN
 277     },
 278     {
 279       GAMETOON_XSIZE, GAMETOON_YSIZE,
 280       ((GFX_SPIELER1_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 281       ((GFX_SPIELER1_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 282       GAMETOON_FRAMES_4,
 283       GAMETOON_FPS,
 284       GAMETOON_STEPSIZE,
 285       ANIM_NORMAL,
 286       ANIMDIR_RIGHT,
 287       ANIMPOS_DOWN
 288     },
 289     {
 290       GAMETOON_XSIZE, GAMETOON_YSIZE,
 291       ((GFX_PINGUIN_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 292       ((GFX_PINGUIN_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 293       GAMETOON_FRAMES_4,
 294       GAMETOON_FPS,
 295       GAMETOON_STEPSIZE,
 296       ANIM_NORMAL,
 297       ANIMDIR_LEFT,
 298       ANIMPOS_DOWN
 299     },
 300     {
 301       GAMETOON_XSIZE, GAMETOON_YSIZE,
 302       ((GFX_PINGUIN_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 303       ((GFX_PINGUIN_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 304       GAMETOON_FRAMES_4,
 305       GAMETOON_FPS,
 306       GAMETOON_STEPSIZE,
 307       ANIM_NORMAL,
 308       ANIMDIR_RIGHT,
 309       ANIMPOS_DOWN
 310     },
 311     {
 312       GAMETOON_XSIZE, GAMETOON_YSIZE,
 313       ((GFX_MAULWURF_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 314       ((GFX_MAULWURF_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 315       GAMETOON_FRAMES_4,
 316       GAMETOON_FPS,
 317       GAMETOON_STEPSIZE,
 318       ANIM_NORMAL,
 319       ANIMDIR_LEFT,
 320       ANIMPOS_DOWN
 321     },
 322     {
 323       GAMETOON_XSIZE, GAMETOON_YSIZE,
 324       ((GFX_MAULWURF_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 325       ((GFX_MAULWURF_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 326       GAMETOON_FRAMES_4,
 327       GAMETOON_FPS,
 328       GAMETOON_STEPSIZE,
 329       ANIM_NORMAL,
 330       ANIMDIR_RIGHT,
 331       ANIMPOS_DOWN
 332     },
 333     {
 334       GAMETOON_XSIZE, GAMETOON_YSIZE,
 335       ((GFX_SCHWEIN_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 336       ((GFX_SCHWEIN_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 337       GAMETOON_FRAMES_4,
 338       GAMETOON_FPS,
 339       GAMETOON_STEPSIZE,
 340       ANIM_NORMAL,
 341       ANIMDIR_LEFT,
 342       ANIMPOS_DOWN
 343     },
 344     {
 345       GAMETOON_XSIZE, GAMETOON_YSIZE,
 346       ((GFX_SCHWEIN_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 347       ((GFX_SCHWEIN_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 348       GAMETOON_FRAMES_4,
 349       GAMETOON_FPS,
 350       GAMETOON_STEPSIZE,
 351       ANIM_NORMAL,
 352       ANIMDIR_RIGHT,
 353       ANIMPOS_DOWN
 354     },
 355     {
 356       GAMETOON_XSIZE, GAMETOON_YSIZE,
 357       ((GFX_DRACHE_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 358       ((GFX_DRACHE_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 359       GAMETOON_FRAMES_4,
 360       GAMETOON_FPS,
 361       GAMETOON_STEPSIZE,
 362       ANIM_NORMAL,
 363       ANIMDIR_LEFT,
 364       ANIMPOS_DOWN
 365     },
 366     {
 367       GAMETOON_XSIZE, GAMETOON_YSIZE,
 368       ((GFX_DRACHE_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 369       ((GFX_DRACHE_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 370       GAMETOON_FRAMES_4,
 371       GAMETOON_FPS,
 372       GAMETOON_STEPSIZE,
 373       ANIM_NORMAL,
 374       ANIMDIR_RIGHT,
 375       ANIMPOS_DOWN
 376     },
 377     {
 378       GAMETOON_XSIZE, GAMETOON_YSIZE,
 379       ((GFX_SONDE - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 380       ((GFX_SONDE - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 381       GAMETOON_FRAMES_8,
 382       GAMETOON_FPS,
 383       GAMETOON_STEPSIZE,
 384       ANIM_NORMAL,
 385       ANIMDIR_LEFT,
 386       ANIMPOS_ANY
 387     },
 388     {
 389       GAMETOON_XSIZE, GAMETOON_YSIZE,
 390       ((GFX_SONDE - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 391       ((GFX_SONDE - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 392       GAMETOON_FRAMES_8,
 393       GAMETOON_FPS,
 394       GAMETOON_STEPSIZE,
 395       ANIM_NORMAL,
 396       ANIMDIR_RIGHT,
 397       ANIMPOS_ANY
 398     },
 399   };
 400   struct AnimInfo *anim = &toon[toon_nr];
 401   Pixmap anim_pixmap = (toon_nr < 6 ? pix[PIX_TOONS] : pix[PIX_HEROES]);
 402   GC anim_clip_gc = (toon_nr < 6 ? clip_gc[PIX_TOONS] : clip_gc[PIX_HEROES]);
 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_pixmap, 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_pixmap,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(Pixmap toon_pixmap, 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   XCopyArea(display,backbuffer,pix[PIX_DB_DOOR],gc,dest_x-pad_x,dest_y-pad_y,
 543             width+2*pad_x,height+2*pad_y, buf_x,buf_y);
 544   XSetClipOrigin(display,toon_clip_gc,dest_x-src_x,dest_y-src_y);
 545   XCopyArea(display,toon_pixmap,backbuffer,toon_clip_gc,
 546             src_x,src_y, width,height, dest_x,dest_y);
 547   XCopyArea(display,backbuffer,window,gc, 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   XCopyArea(display,pix[PIX_DB_DOOR],backbuffer,gc, 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   XCopyArea(display,backbuffer,pix[PIX_DB_DOOR],gc,dest_x-pad_x,dest_y-pad_y,
 555             width+2*pad_x,height+2*pad_y, buf_x,buf_y);
 556   XSetClipOrigin(display,toon_clip_gc,
 557                  buf_x-src_x+pad_x,buf_y-src_y+pad_y);
 558   XCopyArea(display,toon_pixmap,pix[PIX_DB_DOOR],toon_clip_gc,
 559             src_x,src_y, width,height, buf_x+pad_x,buf_y+pad_y);
 560   XCopyArea(display,pix[PIX_DB_DOOR],window,gc, buf_x,buf_y,
 561             width+2*pad_x,height+2*pad_y, dest_x-pad_x,dest_y-pad_y);
 562 #endif
 563
 564   XFlush(display);
 565 }