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         DrawAllPlayers();
 138
 139         SetDrawtoField(DRAW_DIRECT);
 140       }
 141
 142       if (soft_scrolling_on && 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         XCopyArea(display,fieldbuffer,backbuffer,gc,
 150                   fx,fy, SXSIZE,SYSIZE,
 151                   SX,SY);
 152       }
 153
 154       return;
 155       break;
 156     case ANIM_CONTINUE:
 157       break;
 158     case ANIM_STOP:
 159       redraw_mask |= (REDRAW_FIELD | REDRAW_FROM_BACKBUFFER);
 160
 161       /* Redraw background even when in direct drawing mode */
 162       draw_mode = direct_draw_on;
 163       direct_draw_on = FALSE;
 164
 165       BackToFront();
 166
 167       direct_draw_on = draw_mode;
 168
 169       return;
 170       break;
 171     default:
 172       break;
 173   }
 174
 175   if (reset_delay)
 176   {
 177     animstart_delay = Counter();
 178     animstart_delay_value = SimpleRND(3000);
 179     reset_delay = FALSE;
 180   }
 181
 182   if (anim_restart)
 183   {
 184     if (!DelayReached(&animstart_delay, animstart_delay_value))
 185       return;
 186
 187     toon_nr = SimpleRND(NUM_TOONS);
 188   }
 189
 190   anim_restart = reset_delay = AnimateToon(toon_nr,anim_restart);
 191 }
 192
 193 BOOL AnimateToon(int toon_nr, BOOL restart)
 194 {
 195   static pos_x = 0, pos_y = 0;
 196   static delta_x = 0, delta_y = 0;
 197   static int frame = 0, frame_step = 1;
 198   static BOOL horiz_move, vert_move;
 199   static long anim_delay = 0;
 200   static int anim_delay_value = 0;
 201   static int width,height;
 202   static int pad_x,pad_y;
 203   static int cut_x,cut_y;
 204   static int src_x, src_y;
 205   static int dest_x, dest_y;
 206   static struct AnimInfo toon[NUM_TOONS] =
 207   {
 208     {
 209       DWARF_XSIZE, DWARF_YSIZE,
 210       DWARF_X, DWARF_Y,
 211       DWARF_FRAMES,
 212       DWARF_FPS,
 213       DWARF_STEPSIZE,
 214       ANIM_NORMAL,
 215       ANIMDIR_RIGHT,
 216       ANIMPOS_DOWN
 217     },
 218     {
 219       DWARF_XSIZE, DWARF_YSIZE,
 220       DWARF_X, DWARF2_Y,
 221       DWARF_FRAMES,
 222       DWARF_FPS,
 223       DWARF_STEPSIZE,
 224       ANIM_NORMAL,
 225       ANIMDIR_LEFT,
 226       ANIMPOS_DOWN
 227     },
 228     {
 229       JUMPER_XSIZE, JUMPER_YSIZE,
 230       JUMPER_X, JUMPER_Y,
 231       JUMPER_FRAMES,
 232       JUMPER_FPS,
 233       JUMPER_STEPSIZE,
 234       ANIM_NORMAL,
 235       ANIMDIR_RIGHT,
 236       ANIMPOS_DOWN
 237     },
 238     {
 239       CLOWN_XSIZE, CLOWN_YSIZE,
 240       CLOWN_X, CLOWN_Y,
 241       CLOWN_FRAMES,
 242       CLOWN_FPS,
 243       CLOWN_STEPSIZE,
 244       ANIM_NORMAL,
 245       ANIMDIR_UP,
 246       ANIMPOS_ANY
 247     },
 248     {
 249       BIRD_XSIZE, BIRD_YSIZE,
 250       BIRD1_X, BIRD1_Y,
 251       BIRD_FRAMES,
 252       BIRD_FPS,
 253       BIRD_STEPSIZE,
 254       ANIM_OSCILLATE,
 255       ANIMDIR_RIGHT,
 256       ANIMPOS_UPPER
 257     },
 258     {
 259       BIRD_XSIZE, BIRD_YSIZE,
 260       BIRD2_X, BIRD2_Y,
 261       BIRD_FRAMES,
 262       BIRD_FPS,
 263       BIRD_STEPSIZE,
 264       ANIM_OSCILLATE,
 265       ANIMDIR_LEFT,
 266       ANIMPOS_UPPER
 267     },
 268     {
 269       GAMETOON_XSIZE, GAMETOON_YSIZE,
 270       ((GFX_SPIELER1_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 271       ((GFX_SPIELER1_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 272       GAMETOON_FRAMES_4,
 273       GAMETOON_FPS,
 274       GAMETOON_STEPSIZE,
 275       ANIM_NORMAL,
 276       ANIMDIR_LEFT,
 277       ANIMPOS_DOWN
 278     },
 279     {
 280       GAMETOON_XSIZE, GAMETOON_YSIZE,
 281       ((GFX_SPIELER1_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 282       ((GFX_SPIELER1_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 283       GAMETOON_FRAMES_4,
 284       GAMETOON_FPS,
 285       GAMETOON_STEPSIZE,
 286       ANIM_NORMAL,
 287       ANIMDIR_RIGHT,
 288       ANIMPOS_DOWN
 289     },
 290     {
 291       GAMETOON_XSIZE, GAMETOON_YSIZE,
 292       ((GFX_PINGUIN_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 293       ((GFX_PINGUIN_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 294       GAMETOON_FRAMES_4,
 295       GAMETOON_FPS,
 296       GAMETOON_STEPSIZE,
 297       ANIM_NORMAL,
 298       ANIMDIR_LEFT,
 299       ANIMPOS_DOWN
 300     },
 301     {
 302       GAMETOON_XSIZE, GAMETOON_YSIZE,
 303       ((GFX_PINGUIN_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 304       ((GFX_PINGUIN_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 305       GAMETOON_FRAMES_4,
 306       GAMETOON_FPS,
 307       GAMETOON_STEPSIZE,
 308       ANIM_NORMAL,
 309       ANIMDIR_RIGHT,
 310       ANIMPOS_DOWN
 311     },
 312     {
 313       GAMETOON_XSIZE, GAMETOON_YSIZE,
 314       ((GFX_MAULWURF_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 315       ((GFX_MAULWURF_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 316       GAMETOON_FRAMES_4,
 317       GAMETOON_FPS,
 318       GAMETOON_STEPSIZE,
 319       ANIM_NORMAL,
 320       ANIMDIR_LEFT,
 321       ANIMPOS_DOWN
 322     },
 323     {
 324       GAMETOON_XSIZE, GAMETOON_YSIZE,
 325       ((GFX_MAULWURF_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 326       ((GFX_MAULWURF_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 327       GAMETOON_FRAMES_4,
 328       GAMETOON_FPS,
 329       GAMETOON_STEPSIZE,
 330       ANIM_NORMAL,
 331       ANIMDIR_RIGHT,
 332       ANIMPOS_DOWN
 333     },
 334     {
 335       GAMETOON_XSIZE, GAMETOON_YSIZE,
 336       ((GFX_SCHWEIN_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 337       ((GFX_SCHWEIN_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 338       GAMETOON_FRAMES_4,
 339       GAMETOON_FPS,
 340       GAMETOON_STEPSIZE,
 341       ANIM_NORMAL,
 342       ANIMDIR_LEFT,
 343       ANIMPOS_DOWN
 344     },
 345     {
 346       GAMETOON_XSIZE, GAMETOON_YSIZE,
 347       ((GFX_SCHWEIN_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 348       ((GFX_SCHWEIN_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 349       GAMETOON_FRAMES_4,
 350       GAMETOON_FPS,
 351       GAMETOON_STEPSIZE,
 352       ANIM_NORMAL,
 353       ANIMDIR_RIGHT,
 354       ANIMPOS_DOWN
 355     },
 356     {
 357       GAMETOON_XSIZE, GAMETOON_YSIZE,
 358       ((GFX_DRACHE_LEFT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 359       ((GFX_DRACHE_LEFT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 360       GAMETOON_FRAMES_4,
 361       GAMETOON_FPS,
 362       GAMETOON_STEPSIZE,
 363       ANIM_NORMAL,
 364       ANIMDIR_LEFT,
 365       ANIMPOS_DOWN
 366     },
 367     {
 368       GAMETOON_XSIZE, GAMETOON_YSIZE,
 369       ((GFX_DRACHE_RIGHT - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 370       ((GFX_DRACHE_RIGHT - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 371       GAMETOON_FRAMES_4,
 372       GAMETOON_FPS,
 373       GAMETOON_STEPSIZE,
 374       ANIM_NORMAL,
 375       ANIMDIR_RIGHT,
 376       ANIMPOS_DOWN
 377     },
 378     {
 379       GAMETOON_XSIZE, GAMETOON_YSIZE,
 380       ((GFX_SONDE - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 381       ((GFX_SONDE - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 382       GAMETOON_FRAMES_8,
 383       GAMETOON_FPS,
 384       GAMETOON_STEPSIZE,
 385       ANIM_NORMAL,
 386       ANIMDIR_LEFT,
 387       ANIMPOS_ANY
 388     },
 389     {
 390       GAMETOON_XSIZE, GAMETOON_YSIZE,
 391       ((GFX_SONDE - GFX_START_ROCKSHEROES) % HEROES_PER_LINE)*TILEX,
 392       ((GFX_SONDE - GFX_START_ROCKSHEROES) / HEROES_PER_LINE)*TILEY,
 393       GAMETOON_FRAMES_8,
 394       GAMETOON_FPS,
 395       GAMETOON_STEPSIZE,
 396       ANIM_NORMAL,
 397       ANIMDIR_RIGHT,
 398       ANIMPOS_ANY
 399     },
 400   };
 401   struct AnimInfo *anim = &toon[toon_nr];
 402   Pixmap anim_pixmap = (toon_nr < 6 ? pix[PIX_TOONS] : pix[PIX_HEROES]);
 403   GC anim_clip_gc = (toon_nr < 6 ? clip_gc[PIX_TOONS] : clip_gc[PIX_HEROES]);
 404
 405   if (restart)
 406   {
 407     horiz_move = (anim->direction & (ANIMDIR_LEFT | ANIMDIR_RIGHT));
 408     vert_move = (anim->direction & (ANIMDIR_UP | ANIMDIR_DOWN));
 409     anim_delay_value = 1000/anim->frames_per_second;
 410     frame = 0;
 411
 412     if (horiz_move)
 413     {
 414       if (anim->position==ANIMPOS_UP)
 415         pos_y = 0;
 416       else if (anim->position==ANIMPOS_DOWN)
 417         pos_y = FULL_SYSIZE-anim->height;
 418       else if (anim->position==ANIMPOS_UPPER)
 419         pos_y = SimpleRND((FULL_SYSIZE-anim->height)/2);
 420       else
 421         pos_y = SimpleRND(FULL_SYSIZE-anim->height);
 422
 423       if (anim->direction==ANIMDIR_RIGHT)
 424       {
 425         delta_x = anim->stepsize;
 426         pos_x = -anim->width+delta_x;
 427       }
 428       else
 429       {
 430         delta_x = -anim->stepsize;
 431         pos_x = FULL_SXSIZE+delta_x;
 432       }
 433       delta_y = 0;
 434     }
 435     else
 436     {
 437       if (anim->position==ANIMPOS_LEFT)
 438         pos_x = 0;
 439       else if (anim->position==ANIMPOS_RIGHT)
 440         pos_x = FULL_SXSIZE-anim->width;
 441       else
 442         pos_x = SimpleRND(FULL_SXSIZE-anim->width);
 443
 444       if (anim->direction==ANIMDIR_DOWN)
 445       {
 446         delta_y = anim->stepsize;
 447         pos_y = -anim->height+delta_y;
 448       }
 449       else
 450       {
 451         delta_y = -anim->stepsize;
 452         pos_y = FULL_SYSIZE+delta_y;
 453       }
 454       delta_x = 0;
 455     }
 456   }
 457
 458   if (pos_x <= -anim->width  - anim->stepsize ||
 459       pos_x >=  FULL_SXSIZE  + anim->stepsize ||
 460       pos_y <= -anim->height - anim->stepsize ||
 461       pos_y >=  FULL_SYSIZE  + anim->stepsize)
 462     return(TRUE);
 463
 464   if (!DelayReached(&anim_delay, anim_delay_value))
 465   {
 466     if (game_status==HELPSCREEN && !restart)
 467       DrawAnim(anim_pixmap,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_pixmap,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(Pixmap toon_pixmap, 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   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,dest_x-src_x,dest_y-src_y);
 544   XCopyArea(display,toon_pixmap,backbuffer,toon_clip_gc,
 545             src_x,src_y, width,height, dest_x,dest_y);
 546   XCopyArea(display,backbuffer,window,gc, 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   XCopyArea(display,pix[PIX_DB_DOOR],backbuffer,gc, 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   XCopyArea(display,backbuffer,pix[PIX_DB_DOOR],gc,dest_x-pad_x,dest_y-pad_y,
 554             width+2*pad_x,height+2*pad_y, buf_x,buf_y);
 555   XSetClipOrigin(display,toon_clip_gc,
 556                  buf_x-src_x+pad_x,buf_y-src_y+pad_y);
 557   XCopyArea(display,toon_pixmap,pix[PIX_DB_DOOR],toon_clip_gc,
 558             src_x,src_y, width,height, buf_x+pad_x,buf_y+pad_y);
 559   XCopyArea(display,pix[PIX_DB_DOOR],window,gc, 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   XFlush(display);
 564 }