src/cartoons.c

   1 /***********************************************************
   2 *  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
   3 *----------------------------------------------------------*
   4 *  ©1995 Artsoft Development                               *
   5 *        Holger Schemel                                    *
   6 *        33659 Bielefeld-Senne                             *
   7 *        Telefon: (0521) 493245                            *
   8 *        eMail: aeglos@valinor.owl.de                      *
   9 *               aeglos@uni-paderborn.de                    *
  10 *               q99492@pbhrzx.uni-paderborn.de             *
  11 *----------------------------------------------------------*
  12 *  cartoons.c                                              *
  13 ***********************************************************/
  14
  15 #include "cartoons.h"
  16 #include "main.h"
  17 #include "misc.h"
  18 #include "tools.h"
  19
  20 static void HandleAnimation(int);
  21 static BOOL AnimateToon(int, BOOL);
  22 static void DrawAnim(Pixmap, 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   BOOL 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 long animstart_delay = -1;
 112   static long animstart_delay_value = 0;
 113   static BOOL anim_restart = TRUE;
 114   static BOOL reset_delay = TRUE;
 115   static int toon_nr = 0;
 116   int draw_mode;
 117
 118   if (!toons_on)
 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 (direct_draw_on && 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         DrawPlayerField();
 138
 139         SetDrawtoField(DRAW_DIRECT);
 140       }
 141
 142       if (soft_scrolling_on && game_status==PLAYING)
 143         XCopyArea(display,fieldbuffer,backbuffer,gc,
 144                   FX,FY, SXSIZE,SYSIZE,
 145                   SX,SY);
 146
 147       return;
 148       break;
 149     case ANIM_CONTINUE:
 150       break;
 151     case ANIM_STOP:
 152       redraw_mask |= (REDRAW_FIELD | REDRAW_FROM_BACKBUFFER);
 153
 154       /* Redraw background even when in direct drawing mode */
 155       draw_mode = direct_draw_on;
 156       direct_draw_on = FALSE;
 157
 158       BackToFront();
 159
 160       direct_draw_on = draw_mode;
 161
 162       return;
 163       break;
 164     default:
 165       break;
 166   }
 167
 168   if (reset_delay)
 169   {
 170     animstart_delay = Counter();
 171     animstart_delay_value = SimpleRND(500);
 172     reset_delay = FALSE;
 173   }
 174
 175   if (anim_restart)
 176   {
 177     if (!DelayReached(&animstart_delay,animstart_delay_value))
 178       return;
 179
 180     toon_nr = SimpleRND(NUM_TOONS);
 181   }
 182
 183   anim_restart = reset_delay = AnimateToon(toon_nr,anim_restart);
 184 }
 185
 186 BOOL AnimateToon(int toon_nr, BOOL restart)
 187 {
 188   static pos_x = 0, pos_y = 0;
 189   static delta_x = 0, delta_y = 0;
 190   static int frame = 0, frame_step = 1;
 191   static BOOL horiz_move, vert_move;
 192   static long anim_delay = 0;
 193   static int anim_delay_value = 0;
 194   static int width,height;
 195   static int pad_x,pad_y;
 196   static int cut_x,cut_y;
 197   static int src_x, src_y;
 198   static int dest_x, dest_y;
 199   static struct AnimInfo toon[NUM_TOONS] =
 200   {
 201     {
 202       DWARF_XSIZE, DWARF_YSIZE,
 203       DWARF_X, DWARF_Y,
 204       DWARF_FRAMES,
 205       DWARF_FPS,
 206       DWARF_STEPSIZE,
 207       ANIM_NORMAL,
 208       ANIMDIR_RIGHT,
 209       ANIMPOS_DOWN
 210     },
 211     {
 212       DWARF_XSIZE, DWARF_YSIZE,
 213       DWARF_X, DWARF2_Y,
 214       DWARF_FRAMES,
 215       DWARF_FPS,
 216       DWARF_STEPSIZE,
 217       ANIM_NORMAL,
 218       ANIMDIR_LEFT,
 219       ANIMPOS_DOWN
 220     },
 221     {
 222       JUMPER_XSIZE, JUMPER_YSIZE,
 223       JUMPER_X, JUMPER_Y,
 224       JUMPER_FRAMES,
 225       JUMPER_FPS,
 226       JUMPER_STEPSIZE,
 227       ANIM_NORMAL,
 228       ANIMDIR_LEFT,
 229       ANIMPOS_DOWN
 230     },
 231     {
 232       CLOWN_XSIZE, CLOWN_YSIZE,
 233       CLOWN_X, CLOWN_Y,
 234       CLOWN_FRAMES,
 235       CLOWN_FPS,
 236       CLOWN_STEPSIZE,
 237       ANIM_NORMAL,
 238       ANIMDIR_UP,
 239       ANIMPOS_ANY
 240     },
 241     {
 242       BIRD_XSIZE, BIRD_YSIZE,
 243       BIRD1_X, BIRD1_Y,
 244       BIRD_FRAMES,
 245       BIRD_FPS,
 246       BIRD_STEPSIZE,
 247       ANIM_OSCILLATE,
 248       ANIMDIR_RIGHT,
 249       ANIMPOS_UPPER
 250     },
 251     {
 252       BIRD_XSIZE, BIRD_YSIZE,
 253       BIRD2_X, BIRD2_Y,
 254       BIRD_FRAMES,
 255       BIRD_FPS,
 256       BIRD_STEPSIZE,
 257       ANIM_OSCILLATE,
 258       ANIMDIR_LEFT,
 259       ANIMPOS_UPPER
 260     },
 261     {
 262       GAMETOON_XSIZE, GAMETOON_YSIZE,
 263       ((GFX_SPIELER_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 264       ((GFX_SPIELER_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 265       GAMETOON_FRAMES_4,
 266       GAMETOON_FPS,
 267       GAMETOON_STEPSIZE,
 268       ANIM_NORMAL,
 269       ANIMDIR_LEFT,
 270       ANIMPOS_DOWN
 271     },
 272     {
 273       GAMETOON_XSIZE, GAMETOON_YSIZE,
 274       ((GFX_SPIELER_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 275       ((GFX_SPIELER_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 276       GAMETOON_FRAMES_4,
 277       GAMETOON_FPS,
 278       GAMETOON_STEPSIZE,
 279       ANIM_NORMAL,
 280       ANIMDIR_RIGHT,
 281       ANIMPOS_DOWN
 282     },
 283     {
 284       GAMETOON_XSIZE, GAMETOON_YSIZE,
 285       ((GFX_PINGUIN_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 286       ((GFX_PINGUIN_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 287       GAMETOON_FRAMES_4,
 288       GAMETOON_FPS,
 289       GAMETOON_STEPSIZE,
 290       ANIM_NORMAL,
 291       ANIMDIR_LEFT,
 292       ANIMPOS_DOWN
 293     },
 294     {
 295       GAMETOON_XSIZE, GAMETOON_YSIZE,
 296       ((GFX_PINGUIN_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 297       ((GFX_PINGUIN_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 298       GAMETOON_FRAMES_4,
 299       GAMETOON_FPS,
 300       GAMETOON_STEPSIZE,
 301       ANIM_NORMAL,
 302       ANIMDIR_RIGHT,
 303       ANIMPOS_DOWN
 304     },
 305     {
 306       GAMETOON_XSIZE, GAMETOON_YSIZE,
 307       ((GFX_MAULWURF_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 308       ((GFX_MAULWURF_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 309       GAMETOON_FRAMES_4,
 310       GAMETOON_FPS,
 311       GAMETOON_STEPSIZE,
 312       ANIM_NORMAL,
 313       ANIMDIR_LEFT,
 314       ANIMPOS_DOWN
 315     },
 316     {
 317       GAMETOON_XSIZE, GAMETOON_YSIZE,
 318       ((GFX_MAULWURF_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 319       ((GFX_MAULWURF_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 320       GAMETOON_FRAMES_4,
 321       GAMETOON_FPS,
 322       GAMETOON_STEPSIZE,
 323       ANIM_NORMAL,
 324       ANIMDIR_RIGHT,
 325       ANIMPOS_DOWN
 326     },
 327     {
 328       GAMETOON_XSIZE, GAMETOON_YSIZE,
 329       ((GFX_SCHWEIN_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 330       ((GFX_SCHWEIN_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 331       GAMETOON_FRAMES_4,
 332       GAMETOON_FPS,
 333       GAMETOON_STEPSIZE,
 334       ANIM_NORMAL,
 335       ANIMDIR_LEFT,
 336       ANIMPOS_DOWN
 337     },
 338     {
 339       GAMETOON_XSIZE, GAMETOON_YSIZE,
 340       ((GFX_SCHWEIN_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 341       ((GFX_SCHWEIN_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 342       GAMETOON_FRAMES_4,
 343       GAMETOON_FPS,
 344       GAMETOON_STEPSIZE,
 345       ANIM_NORMAL,
 346       ANIMDIR_RIGHT,
 347       ANIMPOS_DOWN
 348     },
 349     {
 350       GAMETOON_XSIZE, GAMETOON_YSIZE,
 351       ((GFX_DRACHE_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 352       ((GFX_DRACHE_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 353       GAMETOON_FRAMES_4,
 354       GAMETOON_FPS,
 355       GAMETOON_STEPSIZE,
 356       ANIM_NORMAL,
 357       ANIMDIR_LEFT,
 358       ANIMPOS_DOWN
 359     },
 360     {
 361       GAMETOON_XSIZE, GAMETOON_YSIZE,
 362       ((GFX_DRACHE_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 363       ((GFX_DRACHE_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 364       GAMETOON_FRAMES_4,
 365       GAMETOON_FPS,
 366       GAMETOON_STEPSIZE,
 367       ANIM_NORMAL,
 368       ANIMDIR_RIGHT,
 369       ANIMPOS_DOWN
 370     },
 371     {
 372       GAMETOON_XSIZE, GAMETOON_YSIZE,
 373       ((GFX_SONDE - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 374       ((GFX_SONDE - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 375       GAMETOON_FRAMES_8,
 376       GAMETOON_FPS,
 377       GAMETOON_STEPSIZE,
 378       ANIM_NORMAL,
 379       ANIMDIR_LEFT,
 380       ANIMPOS_ANY
 381     },
 382     {
 383       GAMETOON_XSIZE, GAMETOON_YSIZE,
 384       ((GFX_SONDE - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 385       ((GFX_SONDE - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 386       GAMETOON_FRAMES_8,
 387       GAMETOON_FPS,
 388       GAMETOON_STEPSIZE,
 389       ANIM_NORMAL,
 390       ANIMDIR_RIGHT,
 391       ANIMPOS_ANY
 392     },
 393   };
 394   struct AnimInfo *anim = &toon[toon_nr];
 395   Pixmap anim_pixmap = (toon_nr < 6 ? pix[PIX_TOONS] : pix[PIX_HEROES]);
 396   GC anim_clip_gc = (toon_nr < 6 ? clip_gc[PIX_TOONS] : clip_gc[PIX_HEROES]);
 397
 398   if (restart)
 399   {
 400     horiz_move = (anim->direction & (ANIMDIR_LEFT | ANIMDIR_RIGHT));
 401     vert_move = (anim->direction & (ANIMDIR_UP | ANIMDIR_DOWN));
 402     anim_delay_value = 100/anim->frames_per_second;
 403     frame = 0;
 404
 405     if (horiz_move)
 406     {
 407       if (anim->position==ANIMPOS_UP)
 408         pos_y = 0;
 409       else if (anim->position==ANIMPOS_DOWN)
 410         pos_y = FULL_SYSIZE-anim->height;
 411       else if (anim->position==ANIMPOS_UPPER)
 412         pos_y = SimpleRND((FULL_SYSIZE-anim->height)/2);
 413       else
 414         pos_y = SimpleRND(FULL_SYSIZE-anim->height);
 415
 416       if (anim->direction==ANIMDIR_RIGHT)
 417       {
 418         delta_x = anim->stepsize;
 419         pos_x = -anim->width+delta_x;
 420       }
 421       else
 422       {
 423         delta_x = -anim->stepsize;
 424         pos_x = FULL_SXSIZE+delta_x;
 425       }
 426       delta_y = 0;
 427     }
 428     else
 429     {
 430       if (anim->position==ANIMPOS_LEFT)
 431         pos_x = 0;
 432       else if (anim->position==ANIMPOS_RIGHT)
 433         pos_x = FULL_SXSIZE-anim->width;
 434       else
 435         pos_x = SimpleRND(FULL_SXSIZE-anim->width);
 436
 437       if (anim->direction==ANIMDIR_DOWN)
 438       {
 439         delta_y = anim->stepsize;
 440         pos_y = -anim->height+delta_y;
 441       }
 442       else
 443       {
 444         delta_y = -anim->stepsize;
 445         pos_y = FULL_SYSIZE+delta_y;
 446       }
 447       delta_x = 0;
 448     }
 449   }
 450
 451   if (pos_x <= -anim->width  - anim->stepsize ||
 452       pos_x >=  FULL_SXSIZE  + anim->stepsize ||
 453       pos_y <= -anim->height - anim->stepsize ||
 454       pos_y >=  FULL_SYSIZE  + anim->stepsize)
 455     return(TRUE);
 456
 457   if (!DelayReached(&anim_delay,anim_delay_value))
 458   {
 459     if (game_status==HELPSCREEN && !restart)
 460       DrawAnim(anim_pixmap,anim_clip_gc,
 461                src_x+cut_x,src_y+cut_y, width,height,
 462                REAL_SX+dest_x,REAL_SY+dest_y, pad_x,pad_y);
 463
 464     return(FALSE);
 465   }
 466
 467   if (pos_x<-anim->width)
 468     pos_x = -anim->width;
 469   else if (pos_x>FULL_SXSIZE)
 470     pos_x = FULL_SXSIZE;
 471   if (pos_y<-anim->height)
 472     pos_y = -anim->height;
 473   else if (pos_y>FULL_SYSIZE)
 474     pos_y = FULL_SYSIZE;
 475
 476   pad_x = (horiz_move ? anim->stepsize : 0);
 477   pad_y = (vert_move  ? anim->stepsize : 0);
 478   src_x = anim->src_x + frame * anim->width;
 479   src_y = anim->src_y;
 480   dest_x = pos_x;
 481   dest_y = pos_y;
 482   cut_x = cut_y = 0;
 483   width  = anim->width;
 484   height = anim->height;
 485
 486   if (pos_x<0)
 487   {
 488     dest_x = 0;
 489     width += pos_x;
 490     cut_x = -pos_x;
 491   }
 492   else if (pos_x>FULL_SXSIZE-anim->width)
 493     width -= (pos_x - (FULL_SXSIZE-anim->width));
 494
 495   if (pos_y<0)
 496   {
 497     dest_y = 0;
 498     height += pos_y;
 499     cut_y = -pos_y;
 500   }
 501   else if (pos_y>FULL_SYSIZE-anim->height)
 502     height -= (pos_y - (FULL_SYSIZE-anim->height));
 503
 504   DrawAnim(anim_pixmap,anim_clip_gc,
 505            src_x+cut_x,src_y+cut_y, width,height,
 506            REAL_SX+dest_x,REAL_SY+dest_y, pad_x,pad_y);
 507
 508   pos_x += delta_x;
 509   pos_y += delta_y;
 510   frame += frame_step;
 511
 512   if (frame<0 || frame>=anim->frames)
 513   {
 514     if (anim->pingpong)
 515     {
 516       frame_step *= -1;
 517       frame = (frame<0 ? 1 : anim->frames-2);
 518     }
 519     else
 520       frame = (frame<0 ? anim->frames-1 : 0);
 521   }
 522
 523   return(FALSE);
 524 }
 525
 526 void DrawAnim(Pixmap toon_pixmap, GC toon_clip_gc,
 527               int src_x, int src_y, int width, int height,
 528               int dest_x, int dest_y, int pad_x, int pad_y)
 529 {
 530   int buf_x = DOOR_GFX_PAGEX3, buf_y = DOOR_GFX_PAGEY1;
 531
 532 #if 1
 533   /* special method to avoid flickering interference with BackToFront() */
 534   XCopyArea(display,backbuffer,pix[PIX_DB_DOOR],gc,dest_x-pad_x,dest_y-pad_y,
 535             width+2*pad_x,height+2*pad_y, buf_x,buf_y);
 536   XSetClipOrigin(display,toon_clip_gc,dest_x-src_x,dest_y-src_y);
 537   XCopyArea(display,toon_pixmap,backbuffer,toon_clip_gc,
 538             src_x,src_y, width,height, dest_x,dest_y);
 539   XCopyArea(display,backbuffer,window,gc, dest_x-pad_x,dest_y-pad_y,
 540             width+2*pad_x,height+2*pad_y, dest_x-pad_x,dest_y-pad_y);
 541   BackToFront();
 542   XCopyArea(display,pix[PIX_DB_DOOR],backbuffer,gc, buf_x,buf_y,
 543             width+2*pad_x,height+2*pad_y, dest_x-pad_x,dest_y-pad_y);
 544 #else
 545   /* normal method, causing flickering interference with BackToFront() */
 546   XCopyArea(display,backbuffer,pix[PIX_DB_DOOR],gc,dest_x-pad_x,dest_y-pad_y,
 547             width+2*pad_x,height+2*pad_y, buf_x,buf_y);
 548   XSetClipOrigin(display,toon_clip_gc,
 549                  buf_x-src_x+pad_x,buf_y-src_y+pad_y);
 550   XCopyArea(display,toon_pixmap,pix[PIX_DB_DOOR],toon_clip_gc,
 551             src_x,src_y, width,height, buf_x+pad_x,buf_y+pad_y);
 552   XCopyArea(display,pix[PIX_DB_DOOR],window,gc, buf_x,buf_y,
 553             width+2*pad_x,height+2*pad_y, dest_x-pad_x,dest_y-pad_y);
 554 #endif
 555
 556   XFlush(display);
 557 }