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