src/tools.c

   1 /***********************************************************
   2 * Rocks'n'Diamonds -- McDuffin Strikes Back!               *
   3 *----------------------------------------------------------*
   4 * (c) 1995-2001 Artsoft Entertainment                      *
   5 *               Holger Schemel                             *
   6 *               Detmolder Strasse 189                      *
   7 *               33604 Bielefeld                            *
   8 *               Germany                                    *
   9 *               e-mail: info@artsoft.org                   *
  10 *----------------------------------------------------------*
  11 * tools.c                                                  *
  12 ***********************************************************/
  13
  14 #include <stdarg.h>
  15
  16 #if defined(PLATFORM_FREEBSD)
  17 #include <machine/joystick.h>
  18 #endif
  19
  20 #include "libgame/libgame.h"
  21
  22 #include "tools.h"
  23 #include "game.h"
  24 #include "events.h"
  25 #include "joystick.h"
  26 #include "cartoons.h"
  27 #include "network.h"
  28 #include "tape.h"
  29
  30 #if defined(PLATFORM_MSDOS)
  31 extern boolean wait_for_vsync;
  32 #endif
  33
  34 /* tool button identifiers */
  35 #define TOOL_CTRL_ID_YES        0
  36 #define TOOL_CTRL_ID_NO         1
  37 #define TOOL_CTRL_ID_CONFIRM    2
  38 #define TOOL_CTRL_ID_PLAYER_1   3
  39 #define TOOL_CTRL_ID_PLAYER_2   4
  40 #define TOOL_CTRL_ID_PLAYER_3   5
  41 #define TOOL_CTRL_ID_PLAYER_4   6
  42
  43 #define NUM_TOOL_BUTTONS        7
  44
  45 /* forward declaration for internal use */
  46 static int getGraphicAnimationPhase(int, int, int);
  47 static void DrawGraphicAnimationShiftedThruMask(int, int, int, int, int,
  48                                                 int, int, int);
  49 static void UnmapToolButtons();
  50 static void HandleToolButtons(struct GadgetInfo *);
  51
  52 static struct GadgetInfo *tool_gadget[NUM_TOOL_BUTTONS];
  53 static int request_gadget_id = -1;
  54
  55 void SetDrawtoField(int mode)
  56 {
  57   if (mode == DRAW_BUFFERED && setup.soft_scrolling)
  58   {
  59     FX = TILEX;
  60     FY = TILEY;
  61     BX1 = -1;
  62     BY1 = -1;
  63     BX2 = SCR_FIELDX;
  64     BY2 = SCR_FIELDY;
  65     redraw_x1 = 1;
  66     redraw_y1 = 1;
  67
  68     drawto_field = fieldbuffer;
  69   }
  70   else  /* DRAW_DIRECT, DRAW_BACKBUFFER */
  71   {
  72     FX = SX;
  73     FY = SY;
  74     BX1 = 0;
  75     BY1 = 0;
  76     BX2 = SCR_FIELDX - 1;
  77     BY2 = SCR_FIELDY - 1;
  78     redraw_x1 = 0;
  79     redraw_y1 = 0;
  80
  81     drawto_field = (mode == DRAW_DIRECT ? window :  backbuffer);
  82   }
  83 }
  84
  85 void BackToFront()
  86 {
  87   int x,y;
  88   DrawBuffer *buffer = (drawto_field == window ? backbuffer : drawto_field);
  89
  90   if (setup.direct_draw && game_status == PLAYING)
  91     redraw_mask &= ~REDRAW_MAIN;
  92
  93   if (redraw_mask & REDRAW_TILES && redraw_tiles > REDRAWTILES_THRESHOLD)
  94     redraw_mask |= REDRAW_FIELD;
  95
  96   if (redraw_mask & REDRAW_FIELD)
  97     redraw_mask &= ~REDRAW_TILES;
  98
  99   if (!redraw_mask)
 100     return;
 101
 102   if (global.fps_slowdown && game_status == PLAYING)
 103   {
 104     static boolean last_frame_skipped = FALSE;
 105     boolean skip_even_when_not_scrolling = TRUE;
 106     boolean just_scrolling = (ScreenMovDir != 0);
 107     boolean verbose = FALSE;
 108
 109     if (global.fps_slowdown_factor > 1 &&
 110         (FrameCounter % global.fps_slowdown_factor) &&
 111         (just_scrolling || skip_even_when_not_scrolling))
 112     {
 113       redraw_mask &= ~REDRAW_MAIN;
 114
 115       last_frame_skipped = TRUE;
 116
 117       if (verbose)
 118         printf("FRAME SKIPPED\n");
 119     }
 120     else
 121     {
 122       if (last_frame_skipped)
 123         redraw_mask |= REDRAW_FIELD;
 124
 125       last_frame_skipped = FALSE;
 126
 127       if (verbose)
 128         printf("frame not skipped\n");
 129     }
 130   }
 131
 132   /* synchronize X11 graphics at this point; if we would synchronize the
 133      display immediately after the buffer switching (after the XFlush),
 134      this could mean that we have to wait for the graphics to complete,
 135      although we could go on doing calculations for the next frame */
 136
 137   SyncDisplay();
 138
 139   if (redraw_mask & REDRAW_ALL)
 140   {
 141     BlitBitmap(backbuffer, window, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 142     redraw_mask = 0;
 143   }
 144
 145   if (redraw_mask & REDRAW_FIELD)
 146   {
 147     if (game_status != PLAYING || redraw_mask & REDRAW_FROM_BACKBUFFER)
 148     {
 149       BlitBitmap(backbuffer, window,
 150                  REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE, REAL_SX, REAL_SY);
 151     }
 152     else
 153     {
 154       int fx = FX, fy = FY;
 155
 156       if (setup.soft_scrolling)
 157       {
 158         fx += (ScreenMovDir & (MV_LEFT | MV_RIGHT) ? ScreenGfxPos : 0);
 159         fy += (ScreenMovDir & (MV_UP | MV_DOWN)    ? ScreenGfxPos : 0);
 160       }
 161
 162       if (setup.soft_scrolling ||
 163           ABS(ScreenMovPos) + ScrollStepSize == TILEX ||
 164           ABS(ScreenMovPos) == ScrollStepSize ||
 165           redraw_tiles > REDRAWTILES_THRESHOLD)
 166       {
 167         BlitBitmap(buffer, window, fx, fy, SXSIZE, SYSIZE, SX, SY);
 168
 169 #ifdef DEBUG
 170 #if 0
 171         printf("redrawing all (ScreenGfxPos == %d) because %s\n",
 172                ScreenGfxPos,
 173                (setup.soft_scrolling ?
 174                 "setup.soft_scrolling" :
 175                 ABS(ScreenGfxPos) + ScrollStepSize == TILEX ?
 176                 "ABS(ScreenGfxPos) + ScrollStepSize == TILEX" :
 177                 ABS(ScreenGfxPos) == ScrollStepSize ?
 178                 "ABS(ScreenGfxPos) == ScrollStepSize" :
 179                 "redraw_tiles > REDRAWTILES_THRESHOLD"));
 180 #endif
 181 #endif
 182       }
 183     }
 184
 185     redraw_mask &= ~REDRAW_MAIN;
 186   }
 187
 188   if (redraw_mask & REDRAW_DOORS)
 189   {
 190     if (redraw_mask & REDRAW_DOOR_1)
 191       BlitBitmap(backbuffer, window, DX, DY, DXSIZE, DYSIZE, DX, DY);
 192     if (redraw_mask & REDRAW_DOOR_2)
 193     {
 194       if ((redraw_mask & REDRAW_DOOR_2) == REDRAW_DOOR_2)
 195         BlitBitmap(backbuffer, window, VX,VY, VXSIZE,VYSIZE, VX,VY);
 196       else
 197       {
 198         if (redraw_mask & REDRAW_VIDEO_1)
 199           BlitBitmap(backbuffer, window,
 200                      VX+VIDEO_DISPLAY1_XPOS,VY+VIDEO_DISPLAY1_YPOS,
 201                      VIDEO_DISPLAY_XSIZE,VIDEO_DISPLAY_YSIZE,
 202                      VX+VIDEO_DISPLAY1_XPOS,VY+VIDEO_DISPLAY1_YPOS);
 203         if (redraw_mask & REDRAW_VIDEO_2)
 204           BlitBitmap(backbuffer, window,
 205                      VX+VIDEO_DISPLAY2_XPOS,VY+VIDEO_DISPLAY2_YPOS,
 206                      VIDEO_DISPLAY_XSIZE,VIDEO_DISPLAY_YSIZE,
 207                      VX+VIDEO_DISPLAY2_XPOS,VY+VIDEO_DISPLAY2_YPOS);
 208         if (redraw_mask & REDRAW_VIDEO_3)
 209           BlitBitmap(backbuffer, window,
 210                      VX+VIDEO_CONTROL_XPOS,VY+VIDEO_CONTROL_YPOS,
 211                      VIDEO_CONTROL_XSIZE,VIDEO_CONTROL_YSIZE,
 212                      VX+VIDEO_CONTROL_XPOS,VY+VIDEO_CONTROL_YPOS);
 213       }
 214     }
 215     if (redraw_mask & REDRAW_DOOR_3)
 216       BlitBitmap(backbuffer, window, EX, EY, EXSIZE, EYSIZE, EX, EY);
 217     redraw_mask &= ~REDRAW_DOORS;
 218   }
 219
 220   if (redraw_mask & REDRAW_MICROLEVEL)
 221   {
 222     BlitBitmap(backbuffer, window,
 223                MICROLEV_XPOS, MICROLEV_YPOS, MICROLEV_XSIZE, MICROLEV_YSIZE,
 224                MICROLEV_XPOS, MICROLEV_YPOS);
 225     BlitBitmap(backbuffer, window,
 226                SX, MICROLABEL_YPOS, SXSIZE, FONT4_YSIZE,
 227                SX, MICROLABEL_YPOS);
 228     redraw_mask &= ~REDRAW_MICROLEVEL;
 229   }
 230
 231   if (redraw_mask & REDRAW_TILES)
 232   {
 233     for(x=0; x<SCR_FIELDX; x++)
 234       for(y=0; y<SCR_FIELDY; y++)
 235         if (redraw[redraw_x1 + x][redraw_y1 + y])
 236           BlitBitmap(buffer, window,
 237                      FX + x * TILEX, FX + y * TILEY, TILEX, TILEY,
 238                      SX + x * TILEX, SY + y * TILEY);
 239   }
 240
 241   if (redraw_mask & REDRAW_FPS)         /* display frames per second */
 242   {
 243     char text[100];
 244     char info1[100];
 245
 246     sprintf(info1, " (only every %d. frame)", global.fps_slowdown_factor);
 247     if (!global.fps_slowdown)
 248       info1[0] = '\0';
 249
 250     sprintf(text, "%.1f fps%s", global.frames_per_second, info1);
 251     DrawTextExt(window, SX, SY, text, FS_SMALL, FC_YELLOW);
 252   }
 253
 254   FlushDisplay();
 255
 256   for(x=0; x<MAX_BUF_XSIZE; x++)
 257     for(y=0; y<MAX_BUF_YSIZE; y++)
 258       redraw[x][y] = 0;
 259   redraw_tiles = 0;
 260   redraw_mask = 0;
 261 }
 262
 263 void FadeToFront()
 264 {
 265 #if 0
 266   long fading_delay = 300;
 267
 268   if (setup.fading && (redraw_mask & REDRAW_FIELD))
 269   {
 270 #endif
 271
 272 #if 0
 273     int x,y;
 274
 275     ClearRectangle(window, REAL_SX,REAL_SY,FULL_SXSIZE,FULL_SYSIZE);
 276     FlushDisplay();
 277
 278     for(i=0;i<2*FULL_SYSIZE;i++)
 279     {
 280       for(y=0;y<FULL_SYSIZE;y++)
 281       {
 282         BlitBitmap(backbuffer, window,
 283                    REAL_SX,REAL_SY+i, FULL_SXSIZE,1, REAL_SX,REAL_SY+i);
 284       }
 285       FlushDisplay();
 286       Delay(10);
 287     }
 288 #endif
 289
 290 #if 0
 291     for(i=1;i<FULL_SYSIZE;i+=2)
 292       BlitBitmap(backbuffer, window,
 293                  REAL_SX,REAL_SY+i, FULL_SXSIZE,1, REAL_SX,REAL_SY+i);
 294     FlushDisplay();
 295     Delay(fading_delay);
 296 #endif
 297
 298 #if 0
 299     SetClipOrigin(clip_gc[PIX_FADEMASK], 0, 0);
 300     BlitBitmapMasked(backbuffer, window,
 301                      REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE,
 302                      REAL_SX,REAL_SY);
 303     FlushDisplay();
 304     Delay(fading_delay);
 305
 306     SetClipOrigin(clip_gc[PIX_FADEMASK], -1, -1);
 307     BlitBitmapMasked(backbuffer, window,
 308                      REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE,
 309                      REAL_SX,REAL_SY);
 310     FlushDisplay();
 311     Delay(fading_delay);
 312
 313     SetClipOrigin(clip_gc[PIX_FADEMASK], 0, -1);
 314     BlitBitmapMasked(backbuffer, window,
 315                      REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE,
 316                      REAL_SX,REAL_SY);
 317     FlushDisplay();
 318     Delay(fading_delay);
 319
 320     SetClipOrigin(clip_gc[PIX_FADEMASK], -1, 0);
 321     BlitBitmapMasked(backbuffer, window,
 322                      REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE,
 323                      REAL_SX,REAL_SY);
 324     FlushDisplay();
 325     Delay(fading_delay);
 326
 327     redraw_mask &= ~REDRAW_MAIN;
 328   }
 329 #endif
 330
 331   BackToFront();
 332 }
 333
 334 void ClearWindow()
 335 {
 336   ClearRectangle(backbuffer, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
 337
 338   if (setup.soft_scrolling && game_status == PLAYING)
 339   {
 340     ClearRectangle(fieldbuffer, 0, 0, FXSIZE, FYSIZE);
 341     SetDrawtoField(DRAW_BUFFERED);
 342   }
 343   else
 344     SetDrawtoField(DRAW_BACKBUFFER);
 345
 346   if (setup.direct_draw && game_status == PLAYING)
 347   {
 348     ClearRectangle(window, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
 349     SetDrawtoField(DRAW_DIRECT);
 350   }
 351
 352   redraw_mask |= REDRAW_FIELD;
 353 }
 354
 355 void MarkTileDirty(int x, int y)
 356 {
 357   int xx = redraw_x1 + x;
 358   int yy = redraw_y1 + y;
 359
 360   if (!redraw[xx][yy])
 361     redraw_tiles++;
 362
 363   redraw[xx][yy] = TRUE;
 364   redraw_mask |= REDRAW_TILES;
 365 }
 366
 367 void SetBorderElement()
 368 {
 369   int x, y;
 370
 371   BorderElement = EL_LEERRAUM;
 372
 373   for(y=0; y<lev_fieldy && BorderElement == EL_LEERRAUM; y++)
 374   {
 375     for(x=0; x<lev_fieldx; x++)
 376     {
 377       if (!IS_MASSIVE(Feld[x][y]))
 378         BorderElement = EL_BETON;
 379
 380       if (y != 0 && y != lev_fieldy - 1 && x != lev_fieldx - 1)
 381         x = lev_fieldx - 2;
 382     }
 383   }
 384 }
 385
 386 void DrawAllPlayers()
 387 {
 388   int i;
 389
 390   for(i=0; i<MAX_PLAYERS; i++)
 391     if (stored_player[i].active)
 392       DrawPlayer(&stored_player[i]);
 393 }
 394
 395 void DrawPlayerField(int x, int y)
 396 {
 397   if (!IS_PLAYER(x, y))
 398     return;
 399
 400   DrawPlayer(PLAYERINFO(x, y));
 401 }
 402
 403 void DrawPlayer(struct PlayerInfo *player)
 404 {
 405   int jx = player->jx, jy = player->jy;
 406   int last_jx = player->last_jx, last_jy = player->last_jy;
 407   int next_jx = jx + (jx - last_jx), next_jy = jy + (jy - last_jy);
 408   int sx = SCREENX(jx), sy = SCREENY(jy);
 409   int sxx = 0, syy = 0;
 410   int element = Feld[jx][jy], last_element = Feld[last_jx][last_jy];
 411   int graphic, phase;
 412   boolean player_is_moving = (last_jx != jx || last_jy != jy ? TRUE : FALSE);
 413
 414   if (!player->active || !IN_SCR_FIELD(SCREENX(last_jx), SCREENY(last_jy)))
 415     return;
 416
 417 #if DEBUG
 418   if (!IN_LEV_FIELD(jx,jy))
 419   {
 420     printf("DrawPlayerField(): x = %d, y = %d\n",jx,jy);
 421     printf("DrawPlayerField(): sx = %d, sy = %d\n",sx,sy);
 422     printf("DrawPlayerField(): This should never happen!\n");
 423     return;
 424   }
 425 #endif
 426
 427   if (element == EL_EXPLODING)
 428     return;
 429
 430   /* draw things in the field the player is leaving, if needed */
 431
 432   if (player_is_moving)
 433   {
 434     if (Store[last_jx][last_jy] && IS_DRAWABLE(last_element))
 435     {
 436       DrawLevelElement(last_jx, last_jy, Store[last_jx][last_jy]);
 437       DrawLevelFieldThruMask(last_jx, last_jy);
 438     }
 439     else if (last_element == EL_DYNAMITE_ACTIVE)
 440       DrawDynamite(last_jx, last_jy);
 441     else
 442       DrawLevelField(last_jx, last_jy);
 443
 444     if (player->Pushing && IN_SCR_FIELD(SCREENX(next_jx), SCREENY(next_jy)))
 445     {
 446       if (player->GfxPos)
 447       {
 448         if (Feld[next_jx][next_jy] == EL_SOKOBAN_FELD_VOLL)
 449           DrawLevelElement(next_jx, next_jy, EL_SOKOBAN_FELD_LEER);
 450         else
 451           DrawLevelElement(next_jx, next_jy, EL_LEERRAUM);
 452       }
 453       else
 454         DrawLevelField(next_jx, next_jy);
 455     }
 456   }
 457
 458   if (!IN_SCR_FIELD(sx, sy))
 459     return;
 460
 461   if (setup.direct_draw)
 462     SetDrawtoField(DRAW_BUFFERED);
 463
 464   /* draw things behind the player, if needed */
 465
 466   if (Store[jx][jy])
 467     DrawLevelElement(jx, jy, Store[jx][jy]);
 468   else if (!IS_ACTIVE_BOMB(element))
 469     DrawLevelField(jx, jy);
 470
 471   /* draw player himself */
 472
 473   if (game.emulation == EMU_SUPAPLEX)
 474   {
 475     static int last_dir = MV_LEFT;
 476     int action = (player->programmed_action ? player->programmed_action :
 477                   player->action);
 478     boolean action_moving =
 479       (player_is_moving ||
 480        ((action & (MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN)) &&
 481         !(action & ~(MV_LEFT | MV_RIGHT | MV_UP | MV_DOWN))));
 482
 483     graphic = GFX_SP_MURPHY;
 484
 485     if (player->Pushing)
 486     {
 487       if (player->MovDir == MV_LEFT)
 488         graphic = GFX_MURPHY_PUSH_LEFT;
 489       else if (player->MovDir == MV_RIGHT)
 490         graphic = GFX_MURPHY_PUSH_RIGHT;
 491       else if (player->MovDir & (MV_UP | MV_DOWN) && last_dir == MV_LEFT)
 492         graphic = GFX_MURPHY_PUSH_LEFT;
 493       else if (player->MovDir & (MV_UP | MV_DOWN) && last_dir == MV_RIGHT)
 494         graphic = GFX_MURPHY_PUSH_RIGHT;
 495     }
 496     else if (player->snapped)
 497     {
 498       if (player->MovDir == MV_LEFT)
 499         graphic = GFX_MURPHY_SNAP_LEFT;
 500       else if (player->MovDir == MV_RIGHT)
 501         graphic = GFX_MURPHY_SNAP_RIGHT;
 502       else if (player->MovDir == MV_UP)
 503         graphic = GFX_MURPHY_SNAP_UP;
 504       else if (player->MovDir == MV_DOWN)
 505         graphic = GFX_MURPHY_SNAP_DOWN;
 506     }
 507     else if (action_moving)
 508     {
 509       if (player->MovDir == MV_LEFT)
 510         graphic = GFX_MURPHY_GO_LEFT;
 511       else if (player->MovDir == MV_RIGHT)
 512         graphic = GFX_MURPHY_GO_RIGHT;
 513       else if (player->MovDir & (MV_UP | MV_DOWN) && last_dir == MV_LEFT)
 514         graphic = GFX_MURPHY_GO_LEFT;
 515       else if (player->MovDir & (MV_UP | MV_DOWN) && last_dir == MV_RIGHT)
 516         graphic = GFX_MURPHY_GO_RIGHT;
 517       else
 518         graphic = GFX_MURPHY_GO_LEFT;
 519
 520       graphic += getGraphicAnimationPhase(3, 2, ANIM_OSCILLATE);
 521     }
 522
 523     if (player->MovDir == MV_LEFT || player->MovDir == MV_RIGHT)
 524       last_dir = player->MovDir;
 525   }
 526   else
 527   {
 528     if (player->MovDir == MV_LEFT)
 529       graphic =
 530         (player->Pushing ? GFX_SPIELER1_PUSH_LEFT : GFX_SPIELER1_LEFT);
 531     else if (player->MovDir == MV_RIGHT)
 532       graphic =
 533         (player->Pushing ? GFX_SPIELER1_PUSH_RIGHT : GFX_SPIELER1_RIGHT);
 534     else if (player->MovDir == MV_UP)
 535       graphic = GFX_SPIELER1_UP;
 536     else        /* MV_DOWN || MV_NO_MOVING */
 537       graphic = GFX_SPIELER1_DOWN;
 538
 539     graphic += player->index_nr * 3 * HEROES_PER_LINE;
 540     graphic += player->Frame;
 541   }
 542
 543   if (player->GfxPos)
 544   {
 545     if (player->MovDir == MV_LEFT || player->MovDir == MV_RIGHT)
 546       sxx = player->GfxPos;
 547     else
 548       syy = player->GfxPos;
 549   }
 550
 551   if (!setup.soft_scrolling && ScreenMovPos)
 552     sxx = syy = 0;
 553
 554   DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic, NO_CUTTING);
 555
 556   if (SHIELD_ON(player))
 557   {
 558     int graphic = (player->shield_active_time_left ? GFX2_SHIELD_ACTIVE :
 559                    GFX2_SHIELD_PASSIVE);
 560
 561     DrawGraphicAnimationShiftedThruMask(sx, sy, sxx, syy, graphic,
 562                                         3, 8, ANIM_OSCILLATE);
 563   }
 564
 565   if (player->Pushing && player->GfxPos)
 566   {
 567     int px = SCREENX(next_jx), py = SCREENY(next_jy);
 568
 569     if (element == EL_SOKOBAN_FELD_LEER ||
 570         Feld[next_jx][next_jy] == EL_SOKOBAN_FELD_VOLL)
 571       DrawGraphicShiftedThruMask(px, py, sxx, syy, GFX_SOKOBAN_OBJEKT,
 572                                  NO_CUTTING);
 573     else
 574     {
 575       int element = Feld[next_jx][next_jy];
 576       int graphic = el2gfx(element);
 577
 578       if ((element == EL_FELSBROCKEN ||
 579            element == EL_SP_ZONK ||
 580            element == EL_BD_ROCK) && sxx)
 581       {
 582         int phase = (player->GfxPos / (TILEX / 4));
 583
 584         if (player->MovDir == MV_LEFT)
 585           graphic += phase;
 586         else
 587           graphic += (phase + 4) % 4;
 588       }
 589
 590       DrawGraphicShifted(px, py, sxx, syy, graphic, NO_CUTTING, NO_MASKING);
 591     }
 592   }
 593
 594   /* draw things in front of player (active dynamite or dynabombs) */
 595
 596   if (IS_ACTIVE_BOMB(element))
 597   {
 598     graphic = el2gfx(element);
 599
 600     if (element == EL_DYNAMITE_ACTIVE)
 601     {
 602       if ((phase = (96 - MovDelay[jx][jy]) / 12) > 6)
 603         phase = 6;
 604     }
 605     else
 606     {
 607       if ((phase = ((96 - MovDelay[jx][jy]) / 6) % 8) > 3)
 608         phase = 7 - phase;
 609     }
 610
 611     if (game.emulation == EMU_SUPAPLEX)
 612       DrawGraphic(sx, sy, GFX_SP_DISK_RED);
 613     else
 614       DrawGraphicThruMask(sx, sy, graphic + phase);
 615   }
 616
 617   if (player_is_moving && last_element == EL_EXPLODING)
 618   {
 619     int phase = Frame[last_jx][last_jy];
 620     int delay = 2;
 621
 622     if (phase > 2)
 623       DrawGraphicThruMask(SCREENX(last_jx), SCREENY(last_jy),
 624                           GFX_EXPLOSION + ((phase - 1) / delay - 1));
 625   }
 626
 627   /* draw elements that stay over the player */
 628   /* handle the field the player is leaving ... */
 629   if (player_is_moving && IS_OVER_PLAYER(last_element))
 630     DrawLevelField(last_jx, last_jy);
 631   /* ... and the field the player is entering */
 632   if (IS_OVER_PLAYER(element))
 633     DrawLevelField(jx, jy);
 634
 635   if (setup.direct_draw)
 636   {
 637     int dest_x = SX + SCREENX(MIN(jx, last_jx)) * TILEX;
 638     int dest_y = SY + SCREENY(MIN(jy, last_jy)) * TILEY;
 639     int x_size = TILEX * (1 + ABS(jx - last_jx));
 640     int y_size = TILEY * (1 + ABS(jy - last_jy));
 641
 642     BlitBitmap(drawto_field, window,
 643                dest_x, dest_y, x_size, y_size, dest_x, dest_y);
 644     SetDrawtoField(DRAW_DIRECT);
 645   }
 646
 647   MarkTileDirty(sx,sy);
 648 }
 649
 650 static int getGraphicAnimationPhase(int frames, int delay, int mode)
 651 {
 652   int phase;
 653
 654   if (mode == ANIM_OSCILLATE)
 655   {
 656     int max_anim_frames = 2 * frames - 2;
 657     phase = (FrameCounter % (delay * max_anim_frames)) / delay;
 658     phase = (phase < frames ? phase : max_anim_frames - phase);
 659   }
 660   else
 661     phase = (FrameCounter % (delay * frames)) / delay;
 662
 663   if (mode == ANIM_REVERSE)
 664     phase = -phase;
 665
 666   return(phase);
 667 }
 668
 669 void DrawGraphicAnimationExt(int x, int y, int graphic,
 670                              int frames, int delay, int mode, int mask_mode)
 671 {
 672   int phase = getGraphicAnimationPhase(frames, delay, mode);
 673
 674   if (!(FrameCounter % delay) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
 675   {
 676     if (mask_mode == USE_MASKING)
 677       DrawGraphicThruMask(SCREENX(x), SCREENY(y), graphic + phase);
 678     else
 679       DrawGraphic(SCREENX(x), SCREENY(y), graphic + phase);
 680   }
 681 }
 682
 683 void DrawGraphicAnimation(int x, int y, int graphic,
 684                           int frames, int delay, int mode)
 685 {
 686   DrawGraphicAnimationExt(x, y, graphic, frames, delay, mode, NO_MASKING);
 687 }
 688
 689 void DrawGraphicAnimationThruMask(int x, int y, int graphic,
 690                                   int frames, int delay, int mode)
 691 {
 692   DrawGraphicAnimationExt(x, y, graphic, frames, delay, mode, USE_MASKING);
 693 }
 694
 695 static void DrawGraphicAnimationShiftedThruMask(int sx, int sy,
 696                                                 int sxx, int syy,
 697                                                 int graphic,
 698                                                 int frames, int delay,
 699                                                 int mode)
 700 {
 701   int phase = getGraphicAnimationPhase(frames, delay, mode);
 702
 703   DrawGraphicShiftedThruMask(sx, sy, sxx, syy, graphic + phase, NO_CUTTING);
 704 }
 705
 706 void getGraphicSource(int graphic, int *bitmap_nr, int *x, int *y)
 707 {
 708   if (graphic >= GFX_START_ROCKSSCREEN && graphic <= GFX_END_ROCKSSCREEN)
 709   {
 710     graphic -= GFX_START_ROCKSSCREEN;
 711     *bitmap_nr = PIX_BACK;
 712     *x = SX + (graphic % GFX_PER_LINE) * TILEX;
 713     *y = SY + (graphic / GFX_PER_LINE) * TILEY;
 714   }
 715   else if (graphic >= GFX_START_ROCKSHEROES && graphic <= GFX_END_ROCKSHEROES)
 716   {
 717     graphic -= GFX_START_ROCKSHEROES;
 718     *bitmap_nr = PIX_HEROES;
 719     *x = (graphic % HEROES_PER_LINE) * TILEX;
 720     *y = (graphic / HEROES_PER_LINE) * TILEY;
 721   }
 722   else if (graphic >= GFX_START_ROCKSSP && graphic <= GFX_END_ROCKSSP)
 723   {
 724     graphic -= GFX_START_ROCKSSP;
 725     *bitmap_nr = PIX_SP;
 726     *x = (graphic % SP_PER_LINE) * TILEX;
 727     *y = (graphic / SP_PER_LINE) * TILEY;
 728   }
 729   else if (graphic >= GFX_START_ROCKSDC && graphic <= GFX_END_ROCKSDC)
 730   {
 731     graphic -= GFX_START_ROCKSDC;
 732     *bitmap_nr = PIX_DC;
 733     *x = (graphic % DC_PER_LINE) * TILEX;
 734     *y = (graphic / DC_PER_LINE) * TILEY;
 735   }
 736   else if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
 737   {
 738     graphic -= GFX_START_ROCKSMORE;
 739     *bitmap_nr = PIX_MORE;
 740     *x = (graphic % MORE_PER_LINE) * TILEX;
 741     *y = (graphic / MORE_PER_LINE) * TILEY;
 742   }
 743   else if (graphic >= GFX_START_ROCKSFONT && graphic <= GFX_END_ROCKSFONT)
 744   {
 745     graphic -= GFX_START_ROCKSFONT;
 746     *bitmap_nr = PIX_BIGFONT;
 747     *x = (graphic % FONT_CHARS_PER_LINE) * TILEX;
 748     *y = ((graphic / FONT_CHARS_PER_LINE) * TILEY +
 749           FC_SPECIAL1 * FONT_LINES_PER_FONT * TILEY);
 750   }
 751   else
 752   {
 753     *bitmap_nr = PIX_SP;
 754     *x = 0;
 755     *y = 0;
 756   }
 757 }
 758
 759 void DrawGraphic(int x, int y, int graphic)
 760 {
 761 #if DEBUG
 762   if (!IN_SCR_FIELD(x,y))
 763   {
 764     printf("DrawGraphic(): x = %d, y = %d, graphic = %d\n",x,y,graphic);
 765     printf("DrawGraphic(): This should never happen!\n");
 766     return;
 767   }
 768 #endif
 769
 770   DrawGraphicExt(drawto_field, FX + x*TILEX, FY + y*TILEY, graphic);
 771   MarkTileDirty(x,y);
 772 }
 773
 774 void DrawGraphicExt(DrawBuffer *bitmap, int x, int y, int graphic)
 775 {
 776   int bitmap_nr;
 777   int src_x, src_y;
 778
 779   getGraphicSource(graphic, &bitmap_nr, &src_x, &src_y);
 780   BlitBitmap(pix[bitmap_nr], bitmap, src_x, src_y, TILEX, TILEY, x, y);
 781 }
 782
 783 void DrawGraphicThruMask(int x, int y, int graphic)
 784 {
 785 #if DEBUG
 786   if (!IN_SCR_FIELD(x,y))
 787   {
 788     printf("DrawGraphicThruMask(): x = %d,y = %d, graphic = %d\n",x,y,graphic);
 789     printf("DrawGraphicThruMask(): This should never happen!\n");
 790     return;
 791   }
 792 #endif
 793
 794   DrawGraphicThruMaskExt(drawto_field, FX + x*TILEX, FY + y*TILEY, graphic);
 795   MarkTileDirty(x,y);
 796 }
 797
 798 void DrawGraphicThruMaskExt(DrawBuffer *d, int dest_x, int dest_y, int graphic)
 799 {
 800   int tile = graphic;
 801   int bitmap_nr;
 802   int src_x, src_y;
 803   Bitmap *src_bitmap;
 804   GC drawing_gc;
 805
 806   if (graphic == GFX_LEERRAUM)
 807     return;
 808
 809   getGraphicSource(graphic, &bitmap_nr, &src_x, &src_y);
 810   src_bitmap = pix[bitmap_nr];
 811   drawing_gc = pix[bitmap_nr]->stored_clip_gc;
 812
 813   if (tile_clipmask[tile] != None)
 814   {
 815     SetClipMask(src_bitmap, tile_clip_gc, tile_clipmask[tile]);
 816     SetClipOrigin(src_bitmap, tile_clip_gc, dest_x, dest_y);
 817     BlitBitmapMasked(src_bitmap, d,
 818                      src_x, src_y, TILEX, TILEY, dest_x, dest_y);
 819   }
 820   else
 821   {
 822 #if DEBUG
 823 #ifndef TARGET_SDL
 824     printf("DrawGraphicThruMask(): tile '%d' needs clipping!\n", tile);
 825 #endif
 826 #endif
 827
 828     SetClipOrigin(src_bitmap, drawing_gc, dest_x-src_x, dest_y-src_y);
 829     BlitBitmapMasked(src_bitmap, d,
 830                      src_x, src_y, TILEX, TILEY, dest_x, dest_y);
 831   }
 832 }
 833
 834 void DrawMiniGraphic(int x, int y, int graphic)
 835 {
 836   DrawMiniGraphicExt(drawto, SX + x*MINI_TILEX, SY + y*MINI_TILEY, graphic);
 837   MarkTileDirty(x/2, y/2);
 838 }
 839
 840 void getMiniGraphicSource(int graphic, Bitmap **bitmap, int *x, int *y)
 841 {
 842   if (graphic >= GFX_START_ROCKSSCREEN && graphic <= GFX_END_ROCKSSCREEN)
 843   {
 844     graphic -= GFX_START_ROCKSSCREEN;
 845     *bitmap = pix[PIX_BACK];
 846     *x = MINI_GFX_STARTX + (graphic % MINI_GFX_PER_LINE) * MINI_TILEX;
 847     *y = MINI_GFX_STARTY + (graphic / MINI_GFX_PER_LINE) * MINI_TILEY;
 848   }
 849   else if (graphic >= GFX_START_ROCKSSP && graphic <= GFX_END_ROCKSSP)
 850   {
 851     graphic -= GFX_START_ROCKSSP;
 852     graphic -= ((graphic / SP_PER_LINE) * SP_PER_LINE) / 2;
 853     *bitmap = pix[PIX_SP];
 854     *x = MINI_SP_STARTX + (graphic % MINI_SP_PER_LINE) * MINI_TILEX;
 855     *y = MINI_SP_STARTY + (graphic / MINI_SP_PER_LINE) * MINI_TILEY;
 856   }
 857   else if (graphic >= GFX_START_ROCKSDC && graphic <= GFX_END_ROCKSDC)
 858   {
 859     graphic -= GFX_START_ROCKSDC;
 860     *bitmap = pix[PIX_DC];
 861     *x = MINI_DC_STARTX + (graphic % MINI_DC_PER_LINE) * MINI_TILEX;
 862     *y = MINI_DC_STARTY + (graphic / MINI_DC_PER_LINE) * MINI_TILEY;
 863   }
 864   else if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
 865   {
 866     graphic -= GFX_START_ROCKSMORE;
 867     *bitmap = pix[PIX_MORE];
 868     *x = MINI_MORE_STARTX + (graphic % MINI_MORE_PER_LINE) * MINI_TILEX;
 869     *y = MINI_MORE_STARTY + (graphic / MINI_MORE_PER_LINE) * MINI_TILEY;
 870   }
 871   else if (graphic >= GFX_START_ROCKSFONT && graphic <= GFX_END_ROCKSFONT)
 872   {
 873     graphic -= GFX_START_ROCKSFONT;
 874     *bitmap = pix[PIX_SMALLFONT];
 875     *x = (graphic % FONT_CHARS_PER_LINE) * FONT4_XSIZE;
 876     *y = ((graphic / FONT_CHARS_PER_LINE) * FONT4_YSIZE +
 877               FC_SPECIAL2 * FONT2_YSIZE * FONT_LINES_PER_FONT);
 878   }
 879   else
 880   {
 881     *bitmap = pix[PIX_SP];
 882     *x = MINI_SP_STARTX;
 883     *y = MINI_SP_STARTY;
 884   }
 885 }
 886
 887 void DrawMiniGraphicExt(DrawBuffer *d, int x, int y, int graphic)
 888 {
 889   Bitmap *bitmap;
 890   int src_x, src_y;
 891
 892   getMiniGraphicSource(graphic, &bitmap, &src_x, &src_y);
 893   BlitBitmap(bitmap, d, src_x, src_y, MINI_TILEX, MINI_TILEY, x, y);
 894 }
 895
 896 void DrawGraphicShifted(int x,int y, int dx,int dy, int graphic,
 897                         int cut_mode, int mask_mode)
 898 {
 899   int width = TILEX, height = TILEY;
 900   int cx = 0, cy = 0;
 901   int src_x, src_y, dest_x, dest_y;
 902   int tile = graphic;
 903   int bitmap_nr;
 904   Bitmap *src_bitmap;
 905   GC drawing_gc;
 906
 907   if (graphic < 0)
 908   {
 909     DrawGraphic(x, y, graphic);
 910     return;
 911   }
 912
 913   if (dx || dy)                 /* Verschiebung der Grafik? */
 914   {
 915     if (x < BX1)                /* Element kommt von links ins Bild */
 916     {
 917       x = BX1;
 918       width = dx;
 919       cx = TILEX - dx;
 920       dx = 0;
 921     }
 922     else if (x > BX2)           /* Element kommt von rechts ins Bild */
 923     {
 924       x = BX2;
 925       width = -dx;
 926       dx = TILEX + dx;
 927     }
 928     else if (x==BX1 && dx < 0)  /* Element verläßt links das Bild */
 929     {
 930       width += dx;
 931       cx = -dx;
 932       dx = 0;
 933     }
 934     else if (x==BX2 && dx > 0)  /* Element verläßt rechts das Bild */
 935       width -= dx;
 936     else if (dx)                /* allg. Bewegung in x-Richtung */
 937       MarkTileDirty(x + SIGN(dx), y);
 938
 939     if (y < BY1)                /* Element kommt von oben ins Bild */
 940     {
 941       if (cut_mode==CUT_BELOW)  /* Element oberhalb des Bildes */
 942         return;
 943
 944       y = BY1;
 945       height = dy;
 946       cy = TILEY - dy;
 947       dy = 0;
 948     }
 949     else if (y > BY2)           /* Element kommt von unten ins Bild */
 950     {
 951       y = BY2;
 952       height = -dy;
 953       dy = TILEY + dy;
 954     }
 955     else if (y==BY1 && dy < 0)  /* Element verläßt oben das Bild */
 956     {
 957       height += dy;
 958       cy = -dy;
 959       dy = 0;
 960     }
 961     else if (dy > 0 && cut_mode == CUT_ABOVE)
 962     {
 963       if (y == BY2)             /* Element unterhalb des Bildes */
 964         return;
 965
 966       height = dy;
 967       cy = TILEY - dy;
 968       dy = TILEY;
 969       MarkTileDirty(x, y + 1);
 970     }                           /* Element verläßt unten das Bild */
 971     else if (dy > 0 && (y == BY2 || cut_mode == CUT_BELOW))
 972       height -= dy;
 973     else if (dy)                /* allg. Bewegung in y-Richtung */
 974       MarkTileDirty(x, y + SIGN(dy));
 975   }
 976
 977   getGraphicSource(graphic, &bitmap_nr, &src_x, &src_y);
 978   src_bitmap = pix[bitmap_nr];
 979   drawing_gc = pix[bitmap_nr]->stored_clip_gc;
 980
 981   src_x += cx;
 982   src_y += cy;
 983
 984   dest_x = FX + x * TILEX + dx;
 985   dest_y = FY + y * TILEY + dy;
 986
 987 #if DEBUG
 988   if (!IN_SCR_FIELD(x,y))
 989   {
 990     printf("DrawGraphicShifted(): x = %d, y = %d, graphic = %d\n",x,y,graphic);
 991     printf("DrawGraphicShifted(): This should never happen!\n");
 992     return;
 993   }
 994 #endif
 995
 996   if (mask_mode == USE_MASKING)
 997   {
 998     if (tile_clipmask[tile] != None)
 999     {
1000       SetClipMask(src_bitmap, tile_clip_gc, tile_clipmask[tile]);
1001       SetClipOrigin(src_bitmap, tile_clip_gc, dest_x, dest_y);
1002       BlitBitmapMasked(src_bitmap, drawto_field,
1003                        src_x, src_y, TILEX, TILEY, dest_x, dest_y);
1004     }
1005     else
1006     {
1007 #if DEBUG
1008 #ifndef TARGET_SDL
1009       printf("DrawGraphicShifted(): tile '%d' needs clipping!\n", tile);
1010 #endif
1011 #endif
1012
1013       SetClipOrigin(src_bitmap, drawing_gc, dest_x - src_x, dest_y - src_y);
1014       BlitBitmapMasked(src_bitmap, drawto_field,
1015                        src_x, src_y, width, height, dest_x, dest_y);
1016     }
1017   }
1018   else
1019     BlitBitmap(pix[bitmap_nr], drawto_field,
1020                src_x, src_y, width, height, dest_x, dest_y);
1021
1022   MarkTileDirty(x,y);
1023 }
1024
1025 void DrawGraphicShiftedThruMask(int x,int y, int dx,int dy, int graphic,
1026                                 int cut_mode)
1027 {
1028   DrawGraphicShifted(x,y, dx,dy, graphic, cut_mode, USE_MASKING);
1029 }
1030
1031 void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
1032                           int cut_mode, int mask_mode)
1033 {
1034   int ux = LEVELX(x), uy = LEVELY(y);
1035   int graphic = el2gfx(element);
1036   int phase8 = ABS(MovPos[ux][uy]) / (TILEX / 8);
1037   int phase4 = phase8 / 2;
1038   int phase2  = phase8 / 4;
1039   int dir = MovDir[ux][uy];
1040
1041   if (element == EL_PACMAN || element == EL_KAEFER || element == EL_FLIEGER)
1042   {
1043     graphic += 4 * !phase2;
1044
1045     if (dir == MV_UP)
1046       graphic += 1;
1047     else if (dir == MV_LEFT)
1048       graphic += 2;
1049     else if (dir == MV_DOWN)
1050       graphic += 3;
1051   }
1052   else if (element == EL_SP_SNIKSNAK)
1053   {
1054     if (dir == MV_LEFT)
1055       graphic = GFX_SP_SNIKSNAK_LEFT;
1056     else if (dir == MV_RIGHT)
1057       graphic = GFX_SP_SNIKSNAK_RIGHT;
1058     else if (dir == MV_UP)
1059       graphic = GFX_SP_SNIKSNAK_UP;
1060     else
1061       graphic = GFX_SP_SNIKSNAK_DOWN;
1062
1063     graphic += (phase8 < 4 ? phase8 : 7 - phase8);
1064   }
1065   else if (element == EL_SP_ELECTRON)
1066   {
1067     graphic = GFX2_SP_ELECTRON + getGraphicAnimationPhase(8, 2, ANIM_NORMAL);
1068   }
1069   else if (element == EL_MOLE || element == EL_PINGUIN ||
1070            element == EL_SCHWEIN || element == EL_DRACHE)
1071   {
1072     if (dir == MV_LEFT)
1073       graphic = (element == EL_MOLE ? GFX_MOLE_LEFT :
1074                  element == EL_PINGUIN ? GFX_PINGUIN_LEFT :
1075                  element == EL_SCHWEIN ? GFX_SCHWEIN_LEFT : GFX_DRACHE_LEFT);
1076     else if (dir == MV_RIGHT)
1077       graphic = (element == EL_MOLE ? GFX_MOLE_RIGHT :
1078                  element == EL_PINGUIN ? GFX_PINGUIN_RIGHT :
1079                  element == EL_SCHWEIN ? GFX_SCHWEIN_RIGHT : GFX_DRACHE_RIGHT);
1080     else if (dir == MV_UP)
1081       graphic = (element == EL_MOLE ? GFX_MOLE_UP :
1082                  element == EL_PINGUIN ? GFX_PINGUIN_UP :
1083                  element == EL_SCHWEIN ? GFX_SCHWEIN_UP : GFX_DRACHE_UP);
1084     else
1085       graphic = (element == EL_MOLE ? GFX_MOLE_DOWN :
1086                  element == EL_PINGUIN ? GFX_PINGUIN_DOWN :
1087                  element == EL_SCHWEIN ? GFX_SCHWEIN_DOWN : GFX_DRACHE_DOWN);
1088
1089     graphic += phase4;
1090   }
1091   else if (element == EL_SONDE)
1092   {
1093     graphic = GFX_SONDE_START + getGraphicAnimationPhase(8, 2, ANIM_NORMAL);
1094   }
1095   else if (element == EL_SALZSAEURE)
1096   {
1097     graphic = GFX_GEBLUBBER + getGraphicAnimationPhase(4, 10, ANIM_NORMAL);
1098   }
1099   else if (element == EL_BUTTERFLY || element == EL_FIREFLY)
1100   {
1101     graphic += !phase2;
1102   }
1103   else if (element == EL_BALLOON)
1104   {
1105     graphic += phase4;
1106   }
1107   else if ((element == EL_FELSBROCKEN ||
1108             element == EL_SP_ZONK ||
1109             element == EL_BD_ROCK ||
1110             IS_GEM(element)) && !cut_mode)
1111   {
1112     if (uy >= lev_fieldy-1 || !IS_BELT(Feld[ux][uy+1]))
1113     {
1114       if (element == EL_FELSBROCKEN ||
1115           element == EL_SP_ZONK ||
1116           element == EL_BD_ROCK)
1117       {
1118         if (dir == MV_LEFT)
1119           graphic += (4 - phase4) % 4;
1120         else if (dir == MV_RIGHT)
1121           graphic += phase4;
1122         else
1123           graphic += phase2 * 2;
1124       }
1125       else if (element != EL_SP_INFOTRON)
1126         graphic += phase2;
1127     }
1128   }
1129   else if (element == EL_MAGIC_WALL_EMPTY ||
1130            element == EL_MAGIC_WALL_BD_EMPTY ||
1131            element == EL_MAGIC_WALL_FULL ||
1132            element == EL_MAGIC_WALL_BD_FULL)
1133   {
1134     graphic += 3 + getGraphicAnimationPhase(4, 4, ANIM_REVERSE);
1135   }
1136   else if (IS_AMOEBOID(element))
1137   {
1138     graphic = (element == EL_AMOEBE_TOT ? GFX_AMOEBE_TOT : GFX_AMOEBE_LEBT);
1139     graphic += (x + 2 * y + 4) % 4;
1140   }
1141   else if (element == EL_MAUER_LEBT)
1142   {
1143     boolean links_massiv = FALSE, rechts_massiv = FALSE;
1144
1145     if (!IN_LEV_FIELD(ux-1, uy) || IS_MAUER(Feld[ux-1][uy]))
1146       links_massiv = TRUE;
1147     if (!IN_LEV_FIELD(ux+1, uy) || IS_MAUER(Feld[ux+1][uy]))
1148       rechts_massiv = TRUE;
1149
1150     if (links_massiv && rechts_massiv)
1151       graphic = GFX_MAUERWERK;
1152     else if (links_massiv)
1153       graphic = GFX_MAUER_R;
1154     else if (rechts_massiv)
1155       graphic = GFX_MAUER_L;
1156   }
1157   else if ((element == EL_INVISIBLE_STEEL ||
1158             element == EL_UNSICHTBAR ||
1159             element == EL_SAND_INVISIBLE) && game.light_time_left)
1160   {
1161     graphic = (element == EL_INVISIBLE_STEEL ? GFX_INVISIBLE_STEEL_ON :
1162                element == EL_UNSICHTBAR ? GFX_UNSICHTBAR_ON :
1163                GFX_SAND_INVISIBLE_ON);
1164   }
1165
1166   if (dx || dy)
1167     DrawGraphicShifted(x, y, dx, dy, graphic, cut_mode, mask_mode);
1168   else if (mask_mode == USE_MASKING)
1169     DrawGraphicThruMask(x, y, graphic);
1170   else
1171     DrawGraphic(x, y, graphic);
1172 }
1173
1174 void DrawLevelElementExt(int x, int y, int dx, int dy, int element,
1175                          int cut_mode, int mask_mode)
1176 {
1177   if (IN_LEV_FIELD(x, y) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
1178     DrawScreenElementExt(SCREENX(x), SCREENY(y), dx, dy, element,
1179                          cut_mode, mask_mode);
1180 }
1181
1182 void DrawScreenElementShifted(int x, int y, int dx, int dy, int element,
1183                               int cut_mode)
1184 {
1185   DrawScreenElementExt(x, y, dx, dy, element, cut_mode, NO_MASKING);
1186 }
1187
1188 void DrawLevelElementShifted(int x, int y, int dx, int dy, int element,
1189                              int cut_mode)
1190 {
1191   DrawLevelElementExt(x, y, dx, dy, element, cut_mode, NO_MASKING);
1192 }
1193
1194 void DrawScreenElementThruMask(int x, int y, int element)
1195 {
1196   DrawScreenElementExt(x, y, 0, 0, element, NO_CUTTING, USE_MASKING);
1197 }
1198
1199 void DrawLevelElementThruMask(int x, int y, int element)
1200 {
1201   DrawLevelElementExt(x, y, 0, 0, element, NO_CUTTING, USE_MASKING);
1202 }
1203
1204 void DrawLevelFieldThruMask(int x, int y)
1205 {
1206   DrawLevelElementExt(x, y, 0, 0, Feld[x][y], NO_CUTTING, USE_MASKING);
1207 }
1208
1209 void ErdreichAnbroeckeln(int x, int y)
1210 {
1211   int i, width, height, cx,cy;
1212   int ux = LEVELX(x), uy = LEVELY(y);
1213   int element, graphic;
1214   int snip = 4;
1215   static int xy[4][2] =
1216   {
1217     { 0, -1 },
1218     { -1, 0 },
1219     { +1, 0 },
1220     { 0, +1 }
1221   };
1222
1223   if (!IN_LEV_FIELD(ux, uy))
1224     return;
1225
1226   element = Feld[ux][uy];
1227
1228   if (element == EL_ERDREICH ||
1229       element == EL_LANDMINE ||
1230       element == EL_TRAP_INACTIVE ||
1231       element == EL_TRAP_ACTIVE)
1232   {
1233     if (!IN_SCR_FIELD(x, y))
1234       return;
1235
1236     graphic = GFX_ERDENRAND;
1237
1238     for(i=0; i<4; i++)
1239     {
1240       int uxx, uyy;
1241
1242       uxx = ux + xy[i][0];
1243       uyy = uy + xy[i][1];
1244       if (!IN_LEV_FIELD(uxx, uyy))
1245         element = EL_BETON;
1246       else
1247         element = Feld[uxx][uyy];
1248
1249       if (element == EL_ERDREICH ||
1250           element == EL_LANDMINE ||
1251           element == EL_TRAP_INACTIVE ||
1252           element == EL_TRAP_ACTIVE)
1253         continue;
1254
1255       if (i == 1 || i == 2)
1256       {
1257         width = snip;
1258         height = TILEY;
1259         cx = (i == 2 ? TILEX - snip : 0);
1260         cy = 0;
1261       }
1262       else
1263       {
1264         width = TILEX;
1265         height = snip;
1266         cx = 0;
1267         cy = (i == 3 ? TILEY - snip : 0);
1268       }
1269
1270       BlitBitmap(pix[PIX_BACK], drawto_field,
1271                  SX + (graphic % GFX_PER_LINE) * TILEX + cx,
1272                  SY + (graphic / GFX_PER_LINE) * TILEY + cy,
1273                  width, height, FX + x * TILEX + cx, FY + y * TILEY + cy);
1274     }
1275
1276     MarkTileDirty(x, y);
1277   }
1278   else
1279   {
1280     graphic = GFX_ERDENRAND;
1281
1282     for(i=0; i<4; i++)
1283     {
1284       int xx, yy, uxx, uyy;
1285
1286       xx = x + xy[i][0];
1287       yy = y + xy[i][1];
1288       uxx = ux + xy[i][0];
1289       uyy = uy + xy[i][1];
1290
1291       if (!IN_LEV_FIELD(uxx, uyy) ||
1292           (Feld[uxx][uyy] != EL_ERDREICH &&
1293            Feld[uxx][uyy] != EL_LANDMINE &&
1294            Feld[uxx][uyy] != EL_TRAP_INACTIVE &&
1295            Feld[uxx][uyy] != EL_TRAP_ACTIVE) ||
1296           !IN_SCR_FIELD(xx, yy))
1297         continue;
1298
1299       if (i == 1 || i == 2)
1300       {
1301         width = snip;
1302         height = TILEY;
1303         cx = (i == 1 ? TILEX - snip : 0);
1304         cy = 0;
1305       }
1306       else
1307       {
1308         width = TILEX;
1309         height = snip;
1310         cx = 0;
1311         cy = (i==0 ? TILEY-snip : 0);
1312       }
1313
1314       BlitBitmap(pix[PIX_BACK], drawto_field,
1315                  SX + (graphic % GFX_PER_LINE) * TILEX + cx,
1316                  SY + (graphic / GFX_PER_LINE) * TILEY + cy,
1317                  width, height, FX + xx * TILEX + cx, FY + yy * TILEY + cy);
1318
1319       MarkTileDirty(xx, yy);
1320     }
1321   }
1322 }
1323
1324 void DrawScreenElement(int x, int y, int element)
1325 {
1326   DrawScreenElementExt(x, y, 0, 0, element, NO_CUTTING, NO_MASKING);
1327   ErdreichAnbroeckeln(x, y);
1328 }
1329
1330 void DrawLevelElement(int x, int y, int element)
1331 {
1332   if (IN_LEV_FIELD(x, y) && IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
1333     DrawScreenElement(SCREENX(x), SCREENY(y), element);
1334 }
1335
1336 void DrawScreenField(int x, int y)
1337 {
1338   int ux = LEVELX(x), uy = LEVELY(y);
1339   int element, content;
1340
1341   if (!IN_LEV_FIELD(ux, uy))
1342   {
1343     if (ux < -1 || ux > lev_fieldx || uy < -1 || uy > lev_fieldy)
1344       element = EL_LEERRAUM;
1345     else
1346       element = BorderElement;
1347
1348     DrawScreenElement(x, y, element);
1349     return;
1350   }
1351
1352   element = Feld[ux][uy];
1353   content = Store[ux][uy];
1354
1355   if (IS_MOVING(ux, uy))
1356   {
1357     int horiz_move = (MovDir[ux][uy] == MV_LEFT || MovDir[ux][uy] == MV_RIGHT);
1358     boolean cut_mode = NO_CUTTING;
1359
1360     if (element == EL_QUICKSAND_EMPTYING ||
1361         content == EL_MAGIC_WALL_EMPTY ||
1362         content == EL_MAGIC_WALL_BD_EMPTY ||
1363         content == EL_AMOEBE_NASS)
1364       cut_mode = CUT_ABOVE;
1365     else if (element == EL_QUICKSAND_FILLING ||
1366              content == EL_MAGIC_WALL_FULL ||
1367              content == EL_MAGIC_WALL_BD_FULL)
1368       cut_mode = CUT_BELOW;
1369
1370     if (cut_mode == CUT_ABOVE)
1371     {
1372       if (element == EL_QUICKSAND_EMPTYING)
1373         DrawScreenElementShifted(x, y, 0, 0, element, NO_CUTTING);
1374       else
1375         DrawScreenElementShifted(x, y, 0, 0, content, NO_CUTTING);
1376     }
1377     else
1378       DrawScreenElement(x, y, EL_LEERRAUM);
1379
1380     if (horiz_move)
1381       DrawScreenElementShifted(x, y, MovPos[ux][uy], 0, element, NO_CUTTING);
1382     else
1383     {
1384       if (element == EL_QUICKSAND_FILLING || element == EL_QUICKSAND_EMPTYING)
1385         DrawScreenElementShifted(x, y, 0, MovPos[ux][uy], content, cut_mode);
1386       else
1387         DrawScreenElementShifted(x, y, 0, MovPos[ux][uy], element, cut_mode);
1388     }
1389
1390     if (content == EL_SALZSAEURE)
1391       DrawLevelElementThruMask(ux, uy + 1, EL_SALZSAEURE);
1392   }
1393   else if (IS_BLOCKED(ux, uy))
1394   {
1395     int oldx, oldy;
1396     int sx, sy;
1397     int horiz_move;
1398     boolean cut_mode = NO_CUTTING;
1399     int element_old, content_old;
1400
1401     Blocked2Moving(ux, uy, &oldx, &oldy);
1402     sx = SCREENX(oldx);
1403     sy = SCREENY(oldy);
1404     horiz_move = (MovDir[oldx][oldy] == MV_LEFT ||
1405                   MovDir[oldx][oldy] == MV_RIGHT);
1406
1407     element_old = Feld[oldx][oldy];
1408     content_old = Store[oldx][oldy];
1409
1410     if (element_old == EL_QUICKSAND_EMPTYING ||
1411         content_old == EL_MAGIC_WALL_EMPTY ||
1412         content_old == EL_MAGIC_WALL_BD_EMPTY ||
1413         content_old == EL_AMOEBE_NASS)
1414       cut_mode = CUT_ABOVE;
1415
1416     DrawScreenElement(x, y, EL_LEERRAUM);
1417
1418     if (horiz_move)
1419       DrawScreenElementShifted(sx, sy, MovPos[oldx][oldy], 0, element_old,
1420                                NO_CUTTING);
1421     else
1422     {
1423       if (element_old == EL_QUICKSAND_EMPTYING)
1424         DrawScreenElementShifted(sx, sy, 0, MovPos[oldx][oldy], content_old,
1425                                  cut_mode);
1426       else
1427         DrawScreenElementShifted(sx, sy, 0, MovPos[oldx][oldy], element_old,
1428                                  cut_mode);
1429     }
1430   }
1431   else if (IS_DRAWABLE(element))
1432     DrawScreenElement(x, y, element);
1433   else
1434     DrawScreenElement(x, y, EL_LEERRAUM);
1435 }
1436
1437 void DrawLevelField(int x, int y)
1438 {
1439   if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
1440     DrawScreenField(SCREENX(x), SCREENY(y));
1441   else if (IS_MOVING(x, y))
1442   {
1443     int newx,newy;
1444
1445     Moving2Blocked(x, y, &newx, &newy);
1446     if (IN_SCR_FIELD(SCREENX(newx), SCREENY(newy)))
1447       DrawScreenField(SCREENX(newx), SCREENY(newy));
1448   }
1449   else if (IS_BLOCKED(x, y))
1450   {
1451     int oldx, oldy;
1452
1453     Blocked2Moving(x, y, &oldx, &oldy);
1454     if (IN_SCR_FIELD(SCREENX(oldx), SCREENY(oldy)))
1455       DrawScreenField(SCREENX(oldx), SCREENY(oldy));
1456   }
1457 }
1458
1459 void DrawMiniElement(int x, int y, int element)
1460 {
1461   int graphic;
1462
1463   if (!element)
1464   {
1465     DrawMiniGraphic(x, y, -1);
1466     return;
1467   }
1468
1469   graphic = el2gfx(element);
1470   DrawMiniGraphic(x, y, graphic);
1471 }
1472
1473 void DrawMiniElementOrWall(int sx, int sy, int scroll_x, int scroll_y)
1474 {
1475   int x = sx + scroll_x, y = sy + scroll_y;
1476
1477   if (x < -1 || x > lev_fieldx || y < -1 || y > lev_fieldy)
1478     DrawMiniElement(sx, sy, EL_LEERRAUM);
1479   else if (x > -1 && x < lev_fieldx && y > -1 && y < lev_fieldy)
1480     DrawMiniElement(sx, sy, Feld[x][y]);
1481   else
1482   {
1483     int steel_type, steel_position;
1484     int border[6][2] =
1485     {
1486       { GFX_VSTEEL_UPPER_LEFT,  GFX_ISTEEL_UPPER_LEFT  },
1487       { GFX_VSTEEL_UPPER_RIGHT, GFX_ISTEEL_UPPER_RIGHT },
1488       { GFX_VSTEEL_LOWER_LEFT,  GFX_ISTEEL_LOWER_LEFT  },
1489       { GFX_VSTEEL_LOWER_RIGHT, GFX_ISTEEL_LOWER_RIGHT },
1490       { GFX_VSTEEL_VERTICAL,    GFX_ISTEEL_VERTICAL    },
1491       { GFX_VSTEEL_HORIZONTAL,  GFX_ISTEEL_HORIZONTAL  }
1492     };
1493
1494     steel_type = (BorderElement == EL_BETON ? 0 : 1);
1495     steel_position = (x == -1 && y == -1                        ? 0 :
1496                       x == lev_fieldx && y == -1                ? 1 :
1497                       x == -1 && y == lev_fieldy                ? 2 :
1498                       x == lev_fieldx && y == lev_fieldy        ? 3 :
1499                       x == -1 || x == lev_fieldx                ? 4 :
1500                       y == -1 || y == lev_fieldy                ? 5 : -1);
1501
1502     if (steel_position != -1)
1503       DrawMiniGraphic(sx, sy, border[steel_position][steel_type]);
1504   }
1505 }
1506
1507 void DrawMicroElement(int xpos, int ypos, int element)
1508 {
1509   int graphic;
1510
1511   if (element == EL_LEERRAUM)
1512     return;
1513
1514   graphic = el2gfx(element);
1515
1516   if (graphic >= GFX_START_ROCKSSP && graphic <= GFX_END_ROCKSSP)
1517   {
1518     graphic -= GFX_START_ROCKSSP;
1519     graphic -= ((graphic / SP_PER_LINE) * SP_PER_LINE) / 2;
1520     BlitBitmap(pix[PIX_SP], drawto,
1521                MICRO_SP_STARTX + (graphic % MICRO_SP_PER_LINE) * MICRO_TILEX,
1522                MICRO_SP_STARTY + (graphic / MICRO_SP_PER_LINE) * MICRO_TILEY,
1523                MICRO_TILEX, MICRO_TILEY, xpos, ypos);
1524   }
1525   else if (graphic >= GFX_START_ROCKSDC && graphic <= GFX_END_ROCKSDC)
1526   {
1527     graphic -= GFX_START_ROCKSDC;
1528     BlitBitmap(pix[PIX_DC], drawto,
1529                MICRO_DC_STARTX + (graphic % MICRO_DC_PER_LINE) * MICRO_TILEX,
1530                MICRO_DC_STARTY + (graphic / MICRO_DC_PER_LINE) * MICRO_TILEY,
1531                MICRO_TILEX, MICRO_TILEY, xpos, ypos);
1532   }
1533   else if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
1534   {
1535     graphic -= GFX_START_ROCKSMORE;
1536     BlitBitmap(pix[PIX_MORE], drawto,
1537                MICRO_MORE_STARTX + (graphic % MICRO_MORE_PER_LINE)*MICRO_TILEX,
1538                MICRO_MORE_STARTY + (graphic / MICRO_MORE_PER_LINE)*MICRO_TILEY,
1539                MICRO_TILEX, MICRO_TILEY, xpos, ypos);
1540   }
1541   else
1542     BlitBitmap(pix[PIX_BACK], drawto,
1543                MICRO_GFX_STARTX + (graphic % MICRO_GFX_PER_LINE) * MICRO_TILEX,
1544                MICRO_GFX_STARTY + (graphic / MICRO_GFX_PER_LINE) * MICRO_TILEY,
1545                MICRO_TILEX, MICRO_TILEY, xpos, ypos);
1546 }
1547
1548 void DrawLevel()
1549 {
1550   int x,y;
1551
1552   ClearWindow();
1553
1554   for(x=BX1; x<=BX2; x++)
1555     for(y=BY1; y<=BY2; y++)
1556       DrawScreenField(x, y);
1557
1558   redraw_mask |= REDRAW_FIELD;
1559 }
1560
1561 void DrawMiniLevel(int size_x, int size_y, int scroll_x, int scroll_y)
1562 {
1563   int x,y;
1564
1565   for(x=0; x<size_x; x++)
1566     for(y=0; y<size_y; y++)
1567       DrawMiniElementOrWall(x, y, scroll_x, scroll_y);
1568
1569   redraw_mask |= REDRAW_FIELD;
1570 }
1571
1572 static void DrawMicroLevelExt(int xpos, int ypos, int from_x, int from_y)
1573 {
1574   int x, y;
1575
1576   ClearRectangle(drawto, xpos, ypos, MICROLEV_XSIZE, MICROLEV_YSIZE);
1577
1578   if (lev_fieldx < STD_LEV_FIELDX)
1579     xpos += (STD_LEV_FIELDX - lev_fieldx) / 2 * MICRO_TILEX;
1580   if (lev_fieldy < STD_LEV_FIELDY)
1581     ypos += (STD_LEV_FIELDY - lev_fieldy) / 2 * MICRO_TILEY;
1582
1583   xpos += MICRO_TILEX;
1584   ypos += MICRO_TILEY;
1585
1586   for(x=-1; x<=STD_LEV_FIELDX; x++)
1587   {
1588     for(y=-1; y<=STD_LEV_FIELDY; y++)
1589     {
1590       int lx = from_x + x, ly = from_y + y;
1591
1592       if (lx >= 0 && lx < lev_fieldx && ly >= 0 && ly < lev_fieldy)
1593         DrawMicroElement(xpos + x * MICRO_TILEX, ypos + y * MICRO_TILEY,
1594                          Ur[lx][ly]);
1595       else if (lx >= -1 && lx < lev_fieldx+1 && ly >= -1 && ly < lev_fieldy+1)
1596         DrawMicroElement(xpos + x * MICRO_TILEX, ypos + y * MICRO_TILEY,
1597                          BorderElement);
1598     }
1599   }
1600
1601   redraw_mask |= REDRAW_MICROLEVEL;
1602 }
1603
1604 #define MICROLABEL_EMPTY                0
1605 #define MICROLABEL_LEVEL_NAME           1
1606 #define MICROLABEL_CREATED_BY           2
1607 #define MICROLABEL_LEVEL_AUTHOR         3
1608 #define MICROLABEL_IMPORTED_FROM        4
1609 #define MICROLABEL_LEVEL_IMPORT_INFO    5
1610
1611 #define MAX_MICROLABEL_SIZE             (SXSIZE / FONT4_XSIZE)
1612
1613 static void DrawMicroLevelLabelExt(int mode)
1614 {
1615   char label_text[MAX_MICROLABEL_SIZE + 1];
1616
1617   ClearRectangle(drawto, SX, MICROLABEL_YPOS, SXSIZE, FONT4_YSIZE);
1618
1619   strncpy(label_text, (mode == MICROLABEL_LEVEL_NAME ? level.name :
1620                        mode == MICROLABEL_CREATED_BY ? "created by" :
1621                        mode == MICROLABEL_LEVEL_AUTHOR ? level.author :
1622                        mode == MICROLABEL_IMPORTED_FROM ? "imported from" :
1623                        mode == MICROLABEL_LEVEL_IMPORT_INFO ?
1624                        leveldir_current->imported_from : ""),
1625           MAX_MICROLABEL_SIZE);
1626   label_text[MAX_MICROLABEL_SIZE] = '\0';
1627
1628   if (strlen(label_text) > 0)
1629   {
1630     int lxpos = SX + (SXSIZE - strlen(label_text) * FONT4_XSIZE) / 2;
1631     int lypos = MICROLABEL_YPOS;
1632
1633     DrawText(lxpos, lypos, label_text, FS_SMALL, FC_SPECIAL2);
1634   }
1635
1636   redraw_mask |= REDRAW_MICROLEVEL;
1637 }
1638
1639 void DrawMicroLevel(int xpos, int ypos, boolean restart)
1640 {
1641   static unsigned long scroll_delay = 0;
1642   static unsigned long label_delay = 0;
1643   static int from_x, from_y, scroll_direction;
1644   static int label_state, label_counter;
1645
1646   if (restart)
1647   {
1648     from_x = from_y = 0;
1649     scroll_direction = MV_RIGHT;
1650     label_state = 1;
1651     label_counter = 0;
1652
1653     DrawMicroLevelExt(xpos, ypos, from_x, from_y);
1654     DrawMicroLevelLabelExt(label_state);
1655
1656     /* initialize delay counters */
1657     DelayReached(&scroll_delay, 0);
1658     DelayReached(&label_delay, 0);
1659
1660     return;
1661   }
1662
1663   /* scroll micro level, if needed */
1664   if ((lev_fieldx > STD_LEV_FIELDX || lev_fieldy > STD_LEV_FIELDY) &&
1665       DelayReached(&scroll_delay, MICROLEVEL_SCROLL_DELAY))
1666   {
1667     switch (scroll_direction)
1668     {
1669       case MV_LEFT:
1670         if (from_x > 0)
1671           from_x--;
1672         else
1673           scroll_direction = MV_UP;
1674         break;
1675
1676       case MV_RIGHT:
1677         if (from_x < lev_fieldx - STD_LEV_FIELDX)
1678           from_x++;
1679         else
1680           scroll_direction = MV_DOWN;
1681         break;
1682
1683       case MV_UP:
1684         if (from_y > 0)
1685           from_y--;
1686         else
1687           scroll_direction = MV_RIGHT;
1688         break;
1689
1690       case MV_DOWN:
1691         if (from_y < lev_fieldy - STD_LEV_FIELDY)
1692           from_y++;
1693         else
1694           scroll_direction = MV_LEFT;
1695         break;
1696
1697       default:
1698         break;
1699     }
1700
1701     DrawMicroLevelExt(xpos, ypos, from_x, from_y);
1702   }
1703
1704   /* redraw micro level label, if needed */
1705   if (strcmp(level.name, NAMELESS_LEVEL_NAME) != 0 &&
1706       strcmp(level.author, ANONYMOUS_NAME) != 0 &&
1707       strcmp(level.author, leveldir_current->name) != 0 &&
1708       DelayReached(&label_delay, MICROLEVEL_LABEL_DELAY))
1709   {
1710     int max_label_counter = 23;
1711
1712     if (leveldir_current->imported_from != NULL)
1713       max_label_counter += 14;
1714
1715     label_counter = (label_counter + 1) % max_label_counter;
1716     label_state = (label_counter >= 0 && label_counter <= 7 ?
1717                    MICROLABEL_LEVEL_NAME :
1718                    label_counter >= 9 && label_counter <= 12 ?
1719                    MICROLABEL_CREATED_BY :
1720                    label_counter >= 14 && label_counter <= 21 ?
1721                    MICROLABEL_LEVEL_AUTHOR :
1722                    label_counter >= 23 && label_counter <= 26 ?
1723                    MICROLABEL_IMPORTED_FROM :
1724                    label_counter >= 28 && label_counter <= 35 ?
1725                    MICROLABEL_LEVEL_IMPORT_INFO : MICROLABEL_EMPTY);
1726     DrawMicroLevelLabelExt(label_state);
1727   }
1728 }
1729
1730 int REQ_in_range(int x, int y)
1731 {
1732   if (y > DY+249 && y < DY+278)
1733   {
1734     if (x > DX+1 && x < DX+48)
1735       return 1;
1736     else if (x > DX+51 && x < DX+98)
1737       return 2;
1738   }
1739   return 0;
1740 }
1741
1742 boolean Request(char *text, unsigned int req_state)
1743 {
1744   int mx, my, ty, result = -1;
1745   unsigned int old_door_state;
1746
1747 #if defined(PLATFORM_UNIX)
1748   /* pause network game while waiting for request to answer */
1749   if (options.network &&
1750       game_status == PLAYING &&
1751       req_state & REQUEST_WAIT_FOR)
1752     SendToServer_PausePlaying();
1753 #endif
1754
1755   old_door_state = GetDoorState();
1756
1757   UnmapAllGadgets();
1758
1759   CloseDoor(DOOR_CLOSE_1);
1760
1761   /* save old door content */
1762   BlitBitmap(pix[PIX_DB_DOOR], pix[PIX_DB_DOOR],
1763              DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE,
1764              DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1);
1765
1766   /* clear door drawing field */
1767   ClearRectangle(drawto, DX, DY, DXSIZE, DYSIZE);
1768
1769   /* write text for request */
1770   for(ty=0; ty<13; ty++)
1771   {
1772     int tx, tl, tc;
1773     char txt[256];
1774
1775     if (!*text)
1776       break;
1777
1778     for(tl=0,tx=0; tx<7; tl++,tx++)
1779     {
1780       tc = *(text + tx);
1781       if (!tc || tc == 32)
1782         break;
1783     }
1784     if (!tl)
1785     {
1786       text++;
1787       ty--;
1788       continue;
1789     }
1790     sprintf(txt, text);
1791     txt[tl] = 0;
1792     DrawTextExt(drawto, DX + 51 - (tl * 14)/2, DY + 8 + ty * 16,
1793                 txt, FS_SMALL, FC_YELLOW);
1794     text += tl + (tc == 32 ? 1 : 0);
1795   }
1796
1797   if (req_state & REQ_ASK)
1798   {
1799     MapGadget(tool_gadget[TOOL_CTRL_ID_YES]);
1800     MapGadget(tool_gadget[TOOL_CTRL_ID_NO]);
1801   }
1802   else if (req_state & REQ_CONFIRM)
1803   {
1804     MapGadget(tool_gadget[TOOL_CTRL_ID_CONFIRM]);
1805   }
1806   else if (req_state & REQ_PLAYER)
1807   {
1808     MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_1]);
1809     MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_2]);
1810     MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_3]);
1811     MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_4]);
1812   }
1813
1814   /* copy request gadgets to door backbuffer */
1815   BlitBitmap(drawto, pix[PIX_DB_DOOR],
1816              DX, DY, DXSIZE, DYSIZE,
1817              DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
1818
1819   OpenDoor(DOOR_OPEN_1);
1820
1821 #if 0
1822   ClearEventQueue();
1823 #endif
1824
1825   if (!(req_state & REQUEST_WAIT_FOR))
1826     return(FALSE);
1827
1828   if (game_status != MAINMENU)
1829     InitAnimation();
1830
1831   button_status = MB_RELEASED;
1832
1833   request_gadget_id = -1;
1834
1835   while(result < 0)
1836   {
1837     if (PendingEvent())
1838     {
1839       Event event;
1840
1841       NextEvent(&event);
1842
1843       switch(event.type)
1844       {
1845         case EVENT_BUTTONPRESS:
1846         case EVENT_BUTTONRELEASE:
1847         case EVENT_MOTIONNOTIFY:
1848         {
1849           if (event.type == EVENT_MOTIONNOTIFY)
1850           {
1851             if (!PointerInWindow(window))
1852               continue; /* window and pointer are on different screens */
1853
1854             if (!button_status)
1855               continue;
1856
1857             motion_status = TRUE;
1858             mx = ((MotionEvent *) &event)->x;
1859             my = ((MotionEvent *) &event)->y;
1860           }
1861           else
1862           {
1863             motion_status = FALSE;
1864             mx = ((ButtonEvent *) &event)->x;
1865             my = ((ButtonEvent *) &event)->y;
1866             if (event.type == EVENT_BUTTONPRESS)
1867               button_status = ((ButtonEvent *) &event)->button;
1868             else
1869               button_status = MB_RELEASED;
1870           }
1871
1872           /* this sets 'request_gadget_id' */
1873           HandleGadgets(mx, my, button_status);
1874
1875           switch(request_gadget_id)
1876           {
1877             case TOOL_CTRL_ID_YES:
1878               result = TRUE;
1879               break;
1880             case TOOL_CTRL_ID_NO:
1881               result = FALSE;
1882               break;
1883             case TOOL_CTRL_ID_CONFIRM:
1884               result = TRUE | FALSE;
1885               break;
1886
1887             case TOOL_CTRL_ID_PLAYER_1:
1888               result = 1;
1889               break;
1890             case TOOL_CTRL_ID_PLAYER_2:
1891               result = 2;
1892               break;
1893             case TOOL_CTRL_ID_PLAYER_3:
1894               result = 3;
1895               break;
1896             case TOOL_CTRL_ID_PLAYER_4:
1897               result = 4;
1898               break;
1899
1900             default:
1901               break;
1902           }
1903
1904           break;
1905         }
1906
1907         case EVENT_KEYPRESS:
1908           switch(GetEventKey((KeyEvent *)&event, TRUE))
1909           {
1910             case KSYM_Return:
1911               result = 1;
1912               break;
1913
1914             case KSYM_Escape:
1915               result = 0;
1916               break;
1917
1918             default:
1919               break;
1920           }
1921           if (req_state & REQ_PLAYER)
1922             result = 0;
1923           break;
1924
1925         case EVENT_KEYRELEASE:
1926           key_joystick_mapping = 0;
1927           break;
1928
1929         default:
1930           HandleOtherEvents(&event);
1931           break;
1932       }
1933     }
1934     else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
1935     {
1936       int joy = AnyJoystick();
1937
1938       if (joy & JOY_BUTTON_1)
1939         result = 1;
1940       else if (joy & JOY_BUTTON_2)
1941         result = 0;
1942     }
1943
1944     DoAnimation();
1945
1946     /* don't eat all CPU time */
1947     Delay(10);
1948   }
1949
1950   if (game_status != MAINMENU)
1951     StopAnimation();
1952
1953   UnmapToolButtons();
1954
1955   if (!(req_state & REQ_STAY_OPEN))
1956   {
1957     CloseDoor(DOOR_CLOSE_1);
1958
1959     if (!(req_state & REQ_STAY_CLOSED) && (old_door_state & DOOR_OPEN_1))
1960     {
1961       BlitBitmap(pix[PIX_DB_DOOR], pix[PIX_DB_DOOR],
1962                  DOOR_GFX_PAGEX2,DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
1963                  DOOR_GFX_PAGEX1,DOOR_GFX_PAGEY1);
1964       OpenDoor(DOOR_OPEN_1);
1965     }
1966   }
1967
1968   RemapAllGadgets();
1969
1970 #if defined(PLATFORM_UNIX)
1971   /* continue network game after request */
1972   if (options.network &&
1973       game_status == PLAYING &&
1974       req_state & REQUEST_WAIT_FOR)
1975     SendToServer_ContinuePlaying();
1976 #endif
1977
1978   return(result);
1979 }
1980
1981 unsigned int OpenDoor(unsigned int door_state)
1982 {
1983   unsigned int new_door_state;
1984
1985   if (door_state & DOOR_COPY_BACK)
1986   {
1987     BlitBitmap(pix[PIX_DB_DOOR], pix[PIX_DB_DOOR],
1988                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE + VYSIZE,
1989                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
1990     door_state &= ~DOOR_COPY_BACK;
1991   }
1992
1993   new_door_state = MoveDoor(door_state);
1994
1995   return(new_door_state);
1996 }
1997
1998 unsigned int CloseDoor(unsigned int door_state)
1999 {
2000   unsigned int new_door_state;
2001
2002   BlitBitmap(backbuffer, pix[PIX_DB_DOOR],
2003              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
2004   BlitBitmap(backbuffer, pix[PIX_DB_DOOR],
2005              VX, VY, VXSIZE, VYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
2006
2007   new_door_state = MoveDoor(door_state);
2008
2009   return(new_door_state);
2010 }
2011
2012 unsigned int GetDoorState()
2013 {
2014   return(MoveDoor(DOOR_GET_STATE));
2015 }
2016
2017 unsigned int MoveDoor(unsigned int door_state)
2018 {
2019   static int door1 = DOOR_OPEN_1;
2020   static int door2 = DOOR_CLOSE_2;
2021   static unsigned long door_delay = 0;
2022   int x, start, stepsize = 2;
2023   unsigned long door_delay_value = stepsize * 5;
2024
2025   if (door_state == DOOR_GET_STATE)
2026     return(door1 | door2);
2027
2028   if (door1 == DOOR_OPEN_1 && door_state & DOOR_OPEN_1)
2029     door_state &= ~DOOR_OPEN_1;
2030   else if (door1 == DOOR_CLOSE_1 && door_state & DOOR_CLOSE_1)
2031     door_state &= ~DOOR_CLOSE_1;
2032   if (door2 == DOOR_OPEN_2 && door_state & DOOR_OPEN_2)
2033     door_state &= ~DOOR_OPEN_2;
2034   else if (door2 == DOOR_CLOSE_2 && door_state & DOOR_CLOSE_2)
2035     door_state &= ~DOOR_CLOSE_2;
2036
2037   if (setup.quick_doors)
2038   {
2039     stepsize = 20;
2040     door_delay_value = 0;
2041     StopSound(SND_OEFFNEN);
2042   }
2043
2044   if (door_state & DOOR_ACTION)
2045   {
2046     if (!(door_state & DOOR_NO_DELAY))
2047       PlaySoundStereo(SND_OEFFNEN, PSND_MAX_RIGHT);
2048
2049     start = ((door_state & DOOR_NO_DELAY) ? DXSIZE : 0);
2050
2051     for(x=start; x<=DXSIZE; x+=stepsize)
2052     {
2053       Bitmap *bitmap = pix[PIX_DOOR];
2054       GC gc = bitmap->stored_clip_gc;
2055
2056       WaitUntilDelayReached(&door_delay, door_delay_value);
2057
2058       if (door_state & DOOR_ACTION_1)
2059       {
2060         int i = (door_state & DOOR_OPEN_1 ? DXSIZE-x : x);
2061         int j = (DXSIZE - i) / 3;
2062
2063         BlitBitmap(pix[PIX_DB_DOOR], drawto,
2064                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1 + i/2,
2065                    DXSIZE,DYSIZE - i/2, DX, DY);
2066
2067         ClearRectangle(drawto, DX, DY + DYSIZE - i/2, DXSIZE,i/2);
2068
2069         SetClipOrigin(bitmap, gc, DX - i, (DY + j) - DOOR_GFX_PAGEY1);
2070         BlitBitmapMasked(bitmap, drawto,
2071                          DXSIZE, DOOR_GFX_PAGEY1, i, 77,
2072                          DX + DXSIZE - i, DY + j);
2073         BlitBitmapMasked(bitmap, drawto,
2074                          DXSIZE, DOOR_GFX_PAGEY1 + 140, i, 63,
2075                          DX + DXSIZE - i, DY + 140 + j);
2076         SetClipOrigin(bitmap, gc, DX - DXSIZE + i, DY - (DOOR_GFX_PAGEY1 + j));
2077         BlitBitmapMasked(bitmap, drawto,
2078                          DXSIZE - i, DOOR_GFX_PAGEY1 + j, i, 77 - j,
2079                          DX, DY);
2080         BlitBitmapMasked(bitmap, drawto,
2081                          DXSIZE-i, DOOR_GFX_PAGEY1 + 140, i, 63,
2082                          DX, DY + 140 - j);
2083
2084         BlitBitmapMasked(bitmap, drawto,
2085                          DXSIZE - i, DOOR_GFX_PAGEY1 + 77, i, 63,
2086                          DX, DY + 77 - j);
2087         BlitBitmapMasked(bitmap, drawto,
2088                          DXSIZE - i, DOOR_GFX_PAGEY1 + 203, i, 77,
2089                          DX, DY + 203 - j);
2090         SetClipOrigin(bitmap, gc, DX - i, (DY + j) - DOOR_GFX_PAGEY1);
2091         BlitBitmapMasked(bitmap, drawto,
2092                          DXSIZE, DOOR_GFX_PAGEY1 + 77, i, 63,
2093                          DX + DXSIZE - i, DY + 77 + j);
2094         BlitBitmapMasked(bitmap, drawto,
2095                          DXSIZE, DOOR_GFX_PAGEY1 + 203, i, 77 - j,
2096                          DX + DXSIZE - i, DY + 203 + j);
2097
2098         redraw_mask |= REDRAW_DOOR_1;
2099       }
2100
2101       if (door_state & DOOR_ACTION_2)
2102       {
2103         int i = (door_state & DOOR_OPEN_2 ? VXSIZE - x : x);
2104         int j = (VXSIZE - i) / 3;
2105
2106         BlitBitmap(pix[PIX_DB_DOOR], drawto,
2107                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2 + i/2,
2108                    VXSIZE, VYSIZE - i/2, VX, VY);
2109
2110         ClearRectangle(drawto, VX, VY + VYSIZE-i/2, VXSIZE, i/2);
2111
2112         SetClipOrigin(bitmap, gc, VX - i, (VY + j) - DOOR_GFX_PAGEY2);
2113         BlitBitmapMasked(bitmap, drawto,
2114                          VXSIZE, DOOR_GFX_PAGEY2, i, VYSIZE / 2,
2115                          VX + VXSIZE-i, VY+j);
2116         SetClipOrigin(bitmap, gc,
2117                       VX - VXSIZE + i, VY - (DOOR_GFX_PAGEY2 + j));
2118         BlitBitmapMasked(bitmap, drawto,
2119                          VXSIZE - i, DOOR_GFX_PAGEY2 + j, i, VYSIZE / 2 - j,
2120                          VX, VY);
2121
2122         BlitBitmapMasked(bitmap, drawto,
2123                          VXSIZE - i, DOOR_GFX_PAGEY2 + VYSIZE / 2,
2124                          i, VYSIZE / 2, VX, VY + VYSIZE / 2 - j);
2125         SetClipOrigin(bitmap, gc, VX - i, (VY + j) - DOOR_GFX_PAGEY2);
2126         BlitBitmapMasked(bitmap, drawto,
2127                          VXSIZE, DOOR_GFX_PAGEY2 + VYSIZE / 2,
2128                          i, VYSIZE / 2 - j,
2129                          VX + VXSIZE - i, VY + VYSIZE / 2 + j);
2130
2131         redraw_mask |= REDRAW_DOOR_2;
2132       }
2133
2134       BackToFront();
2135
2136       if (game_status == MAINMENU)
2137         DoAnimation();
2138     }
2139   }
2140
2141   if (setup.quick_doors)
2142     StopSound(SND_OEFFNEN);
2143
2144   if (door_state & DOOR_ACTION_1)
2145     door1 = door_state & DOOR_ACTION_1;
2146   if (door_state & DOOR_ACTION_2)
2147     door2 = door_state & DOOR_ACTION_2;
2148
2149   return (door1 | door2);
2150 }
2151
2152 void DrawSpecialEditorDoor()
2153 {
2154   /* draw bigger toolbox window */
2155   BlitBitmap(pix[PIX_DOOR], drawto,
2156              DOOR_GFX_PAGEX7, 0, 108, 56, EX - 4, EY - 12);
2157
2158   redraw_mask |= REDRAW_ALL;
2159 }
2160
2161 void UndrawSpecialEditorDoor()
2162 {
2163   /* draw normal tape recorder window */
2164   BlitBitmap(pix[PIX_BACK], drawto,
2165              562, 344, 108, 56, EX - 4, EY - 12);
2166
2167   redraw_mask |= REDRAW_ALL;
2168 }
2169
2170 #ifndef TARGET_SDL
2171 int ReadPixel(DrawBuffer *bitmap, int x, int y)
2172 {
2173   XImage *pixel_image;
2174   unsigned long pixel_value;
2175
2176   pixel_image = XGetImage(display, bitmap->drawable,
2177                           x, y, 1, 1, AllPlanes, ZPixmap);
2178   pixel_value = XGetPixel(pixel_image, 0, 0);
2179
2180   XDestroyImage(pixel_image);
2181
2182   return pixel_value;
2183 }
2184 #endif
2185
2186 /* ---------- new tool button stuff ---------------------------------------- */
2187
2188 /* graphic position values for tool buttons */
2189 #define TOOL_BUTTON_YES_XPOS            2
2190 #define TOOL_BUTTON_YES_YPOS            250
2191 #define TOOL_BUTTON_YES_GFX_YPOS        0
2192 #define TOOL_BUTTON_YES_XSIZE           46
2193 #define TOOL_BUTTON_YES_YSIZE           28
2194 #define TOOL_BUTTON_NO_XPOS             52
2195 #define TOOL_BUTTON_NO_YPOS             TOOL_BUTTON_YES_YPOS
2196 #define TOOL_BUTTON_NO_GFX_YPOS         TOOL_BUTTON_YES_GFX_YPOS
2197 #define TOOL_BUTTON_NO_XSIZE            TOOL_BUTTON_YES_XSIZE
2198 #define TOOL_BUTTON_NO_YSIZE            TOOL_BUTTON_YES_YSIZE
2199 #define TOOL_BUTTON_CONFIRM_XPOS        TOOL_BUTTON_YES_XPOS
2200 #define TOOL_BUTTON_CONFIRM_YPOS        TOOL_BUTTON_YES_YPOS
2201 #define TOOL_BUTTON_CONFIRM_GFX_YPOS    30
2202 #define TOOL_BUTTON_CONFIRM_XSIZE       96
2203 #define TOOL_BUTTON_CONFIRM_YSIZE       TOOL_BUTTON_YES_YSIZE
2204 #define TOOL_BUTTON_PLAYER_XSIZE        30
2205 #define TOOL_BUTTON_PLAYER_YSIZE        30
2206 #define TOOL_BUTTON_PLAYER_GFX_XPOS     5
2207 #define TOOL_BUTTON_PLAYER_GFX_YPOS     185
2208 #define TOOL_BUTTON_PLAYER_XPOS         (5 + TOOL_BUTTON_PLAYER_XSIZE / 2)
2209 #define TOOL_BUTTON_PLAYER_YPOS         (215 - TOOL_BUTTON_PLAYER_YSIZE / 2)
2210 #define TOOL_BUTTON_PLAYER1_XPOS        (TOOL_BUTTON_PLAYER_XPOS \
2211                                          + 0 * TOOL_BUTTON_PLAYER_XSIZE)
2212 #define TOOL_BUTTON_PLAYER2_XPOS        (TOOL_BUTTON_PLAYER_XPOS \
2213                                          + 1 * TOOL_BUTTON_PLAYER_XSIZE)
2214 #define TOOL_BUTTON_PLAYER3_XPOS        (TOOL_BUTTON_PLAYER_XPOS \
2215                                          + 0 * TOOL_BUTTON_PLAYER_XSIZE)
2216 #define TOOL_BUTTON_PLAYER4_XPOS        (TOOL_BUTTON_PLAYER_XPOS \
2217                                          + 1 * TOOL_BUTTON_PLAYER_XSIZE)
2218 #define TOOL_BUTTON_PLAYER1_YPOS        (TOOL_BUTTON_PLAYER_YPOS \
2219                                          + 0 * TOOL_BUTTON_PLAYER_YSIZE)
2220 #define TOOL_BUTTON_PLAYER2_YPOS        (TOOL_BUTTON_PLAYER_YPOS \
2221                                          + 0 * TOOL_BUTTON_PLAYER_YSIZE)
2222 #define TOOL_BUTTON_PLAYER3_YPOS        (TOOL_BUTTON_PLAYER_YPOS \
2223                                          + 1 * TOOL_BUTTON_PLAYER_YSIZE)
2224 #define TOOL_BUTTON_PLAYER4_YPOS        (TOOL_BUTTON_PLAYER_YPOS \
2225                                          + 1 * TOOL_BUTTON_PLAYER_YSIZE)
2226
2227 static struct
2228 {
2229   int xpos, ypos;
2230   int x, y;
2231   int width, height;
2232   int gadget_id;
2233   char *infotext;
2234 } toolbutton_info[NUM_TOOL_BUTTONS] =
2235 {
2236   {
2237     TOOL_BUTTON_YES_XPOS,       TOOL_BUTTON_YES_GFX_YPOS,
2238     TOOL_BUTTON_YES_XPOS,       TOOL_BUTTON_YES_YPOS,
2239     TOOL_BUTTON_YES_XSIZE,      TOOL_BUTTON_YES_YSIZE,
2240     TOOL_CTRL_ID_YES,
2241     "yes"
2242   },
2243   {
2244     TOOL_BUTTON_NO_XPOS,        TOOL_BUTTON_NO_GFX_YPOS,
2245     TOOL_BUTTON_NO_XPOS,        TOOL_BUTTON_NO_YPOS,
2246     TOOL_BUTTON_NO_XSIZE,       TOOL_BUTTON_NO_YSIZE,
2247     TOOL_CTRL_ID_NO,
2248     "no"
2249   },
2250   {
2251     TOOL_BUTTON_CONFIRM_XPOS,   TOOL_BUTTON_CONFIRM_GFX_YPOS,
2252     TOOL_BUTTON_CONFIRM_XPOS,   TOOL_BUTTON_CONFIRM_YPOS,
2253     TOOL_BUTTON_CONFIRM_XSIZE,  TOOL_BUTTON_CONFIRM_YSIZE,
2254     TOOL_CTRL_ID_CONFIRM,
2255     "confirm"
2256   },
2257   {
2258     TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
2259     TOOL_BUTTON_PLAYER1_XPOS,   TOOL_BUTTON_PLAYER1_YPOS,
2260     TOOL_BUTTON_PLAYER_XSIZE,   TOOL_BUTTON_PLAYER_YSIZE,
2261     TOOL_CTRL_ID_PLAYER_1,
2262     "player 1"
2263   },
2264   {
2265     TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
2266     TOOL_BUTTON_PLAYER2_XPOS,   TOOL_BUTTON_PLAYER2_YPOS,
2267     TOOL_BUTTON_PLAYER_XSIZE,   TOOL_BUTTON_PLAYER_YSIZE,
2268     TOOL_CTRL_ID_PLAYER_2,
2269     "player 2"
2270   },
2271   {
2272     TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
2273     TOOL_BUTTON_PLAYER3_XPOS,   TOOL_BUTTON_PLAYER3_YPOS,
2274     TOOL_BUTTON_PLAYER_XSIZE,   TOOL_BUTTON_PLAYER_YSIZE,
2275     TOOL_CTRL_ID_PLAYER_3,
2276     "player 3"
2277   },
2278   {
2279     TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
2280     TOOL_BUTTON_PLAYER4_XPOS,   TOOL_BUTTON_PLAYER4_YPOS,
2281     TOOL_BUTTON_PLAYER_XSIZE,   TOOL_BUTTON_PLAYER_YSIZE,
2282     TOOL_CTRL_ID_PLAYER_4,
2283     "player 4"
2284   }
2285 };
2286
2287 #if 0
2288 static void DoNotDisplayInfoText(void *ptr)
2289 {
2290   return;
2291 }
2292 #endif
2293
2294 void CreateToolButtons()
2295 {
2296   int i;
2297
2298   for (i=0; i<NUM_TOOL_BUTTONS; i++)
2299   {
2300     Bitmap *gd_bitmap = pix[PIX_DOOR];
2301     Bitmap *deco_bitmap = None;
2302     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
2303     struct GadgetInfo *gi;
2304     unsigned long event_mask;
2305     int gd_xoffset, gd_yoffset;
2306     int gd_x1, gd_x2, gd_y;
2307     int id = i;
2308
2309     event_mask = GD_EVENT_RELEASED;
2310
2311     gd_xoffset = toolbutton_info[i].xpos;
2312     gd_yoffset = toolbutton_info[i].ypos;
2313     gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2314     gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2315     gd_y = DOOR_GFX_PAGEY1 + gd_yoffset;
2316
2317     if (id >= TOOL_CTRL_ID_PLAYER_1 && id <= TOOL_CTRL_ID_PLAYER_4)
2318     {
2319       getMiniGraphicSource(GFX_SPIELER1 + id - TOOL_CTRL_ID_PLAYER_1,
2320                            &deco_bitmap, &deco_x, &deco_y);
2321       deco_xpos = (toolbutton_info[i].width - MINI_TILEX) / 2;
2322       deco_ypos = (toolbutton_info[i].height - MINI_TILEY) / 2;
2323     }
2324
2325     gi = CreateGadget(GDI_CUSTOM_ID, id,
2326                       GDI_INFO_TEXT, toolbutton_info[i].infotext,
2327                       GDI_X, DX + toolbutton_info[i].x,
2328                       GDI_Y, DY + toolbutton_info[i].y,
2329                       GDI_WIDTH, toolbutton_info[i].width,
2330                       GDI_HEIGHT, toolbutton_info[i].height,
2331                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2332                       GDI_STATE, GD_BUTTON_UNPRESSED,
2333                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2334                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2335                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2336                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2337                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2338                       GDI_DECORATION_SHIFTING, 1, 1,
2339                       GDI_EVENT_MASK, event_mask,
2340
2341 #if 0
2342                       GDI_CALLBACK_INFO, DoNotDisplayInfoText,
2343 #endif
2344
2345                       GDI_CALLBACK_ACTION, HandleToolButtons,
2346                       GDI_END);
2347
2348     if (gi == NULL)
2349       Error(ERR_EXIT, "cannot create gadget");
2350
2351     tool_gadget[id] = gi;
2352   }
2353 }
2354
2355 static void UnmapToolButtons()
2356 {
2357   int i;
2358
2359   for (i=0; i<NUM_TOOL_BUTTONS; i++)
2360     UnmapGadget(tool_gadget[i]);
2361 }
2362
2363 static void HandleToolButtons(struct GadgetInfo *gi)
2364 {
2365   request_gadget_id = gi->custom_id;
2366 }
2367
2368 int el2gfx(int element)
2369 {
2370   switch(element)
2371   {
2372     case EL_LEERRAUM:           return -1;
2373     case EL_ERDREICH:           return GFX_ERDREICH;
2374     case EL_MAUERWERK:          return GFX_MAUERWERK;
2375     case EL_FELSBODEN:          return GFX_FELSBODEN;
2376     case EL_FELSBROCKEN:        return GFX_FELSBROCKEN;
2377     case EL_SCHLUESSEL:         return GFX_SCHLUESSEL;
2378     case EL_EDELSTEIN:          return GFX_EDELSTEIN;
2379     case EL_AUSGANG_ZU:         return GFX_AUSGANG_ZU;
2380     case EL_AUSGANG_ACT:        return GFX_AUSGANG_ACT;
2381     case EL_AUSGANG_AUF:        return GFX_AUSGANG_AUF;
2382     case EL_SPIELFIGUR:         return GFX_SPIELFIGUR;
2383     case EL_SPIELER1:           return GFX_SPIELER1;
2384     case EL_SPIELER2:           return GFX_SPIELER2;
2385     case EL_SPIELER3:           return GFX_SPIELER3;
2386     case EL_SPIELER4:           return GFX_SPIELER4;
2387     case EL_KAEFER:             return GFX_KAEFER;
2388     case EL_KAEFER_RIGHT:       return GFX_KAEFER_RIGHT;
2389     case EL_KAEFER_UP:          return GFX_KAEFER_UP;
2390     case EL_KAEFER_LEFT:        return GFX_KAEFER_LEFT;
2391     case EL_KAEFER_DOWN:        return GFX_KAEFER_DOWN;
2392     case EL_FLIEGER:            return GFX_FLIEGER;
2393     case EL_FLIEGER_RIGHT:      return GFX_FLIEGER_RIGHT;
2394     case EL_FLIEGER_UP:         return GFX_FLIEGER_UP;
2395     case EL_FLIEGER_LEFT:       return GFX_FLIEGER_LEFT;
2396     case EL_FLIEGER_DOWN:       return GFX_FLIEGER_DOWN;
2397     case EL_BUTTERFLY:          return GFX_BUTTERFLY;
2398     case EL_BUTTERFLY_RIGHT:    return GFX_BUTTERFLY_RIGHT;
2399     case EL_BUTTERFLY_UP:       return GFX_BUTTERFLY_UP;
2400     case EL_BUTTERFLY_LEFT:     return GFX_BUTTERFLY_LEFT;
2401     case EL_BUTTERFLY_DOWN:     return GFX_BUTTERFLY_DOWN;
2402     case EL_FIREFLY:            return GFX_FIREFLY;
2403     case EL_FIREFLY_RIGHT:      return GFX_FIREFLY_RIGHT;
2404     case EL_FIREFLY_UP:         return GFX_FIREFLY_UP;
2405     case EL_FIREFLY_LEFT:       return GFX_FIREFLY_LEFT;
2406     case EL_FIREFLY_DOWN:       return GFX_FIREFLY_DOWN;
2407     case EL_MAMPFER:            return GFX_MAMPFER;
2408     case EL_ROBOT:              return GFX_ROBOT;
2409     case EL_BETON:              return GFX_BETON;
2410     case EL_DIAMANT:            return GFX_DIAMANT;
2411     case EL_MORAST_LEER:        return GFX_MORAST_LEER;
2412     case EL_MORAST_VOLL:        return GFX_MORAST_VOLL;
2413     case EL_QUICKSAND_EMPTYING: return GFX_MORAST_LEER;
2414     case EL_TROPFEN:            return GFX_TROPFEN;
2415     case EL_BOMBE:              return GFX_BOMBE;
2416     case EL_MAGIC_WALL_OFF:     return GFX_MAGIC_WALL_OFF;
2417     case EL_MAGIC_WALL_EMPTY:   return GFX_MAGIC_WALL_EMPTY;
2418     case EL_MAGIC_WALL_FULL:    return GFX_MAGIC_WALL_FULL;
2419     case EL_MAGIC_WALL_DEAD:    return GFX_MAGIC_WALL_DEAD;
2420     case EL_SALZSAEURE:         return GFX_SALZSAEURE;
2421     case EL_AMOEBE_TOT:         return GFX_AMOEBE_TOT;
2422     case EL_AMOEBE_NASS:        return GFX_AMOEBE_NASS;
2423     case EL_AMOEBE_NORM:        return GFX_AMOEBE_NORM;
2424     case EL_AMOEBE_VOLL:        return GFX_AMOEBE_VOLL;
2425     case EL_AMOEBE_BD:          return GFX_AMOEBE_BD;
2426     case EL_AMOEBA2DIAM:        return GFX_AMOEBA2DIAM;
2427     case EL_KOKOSNUSS:          return GFX_KOKOSNUSS;
2428     case EL_LIFE:               return GFX_LIFE;
2429     case EL_LIFE_ASYNC:         return GFX_LIFE_ASYNC;
2430     case EL_DYNAMITE_ACTIVE:    return GFX_DYNAMIT;
2431     case EL_BADEWANNE:          return GFX_BADEWANNE;
2432     case EL_BADEWANNE1:         return GFX_BADEWANNE1;
2433     case EL_BADEWANNE2:         return GFX_BADEWANNE2;
2434     case EL_BADEWANNE3:         return GFX_BADEWANNE3;
2435     case EL_BADEWANNE4:         return GFX_BADEWANNE4;
2436     case EL_BADEWANNE5:         return GFX_BADEWANNE5;
2437     case EL_ABLENK_AUS:         return GFX_ABLENK_AUS;
2438     case EL_ABLENK_EIN:         return GFX_ABLENK_EIN;
2439     case EL_SCHLUESSEL1:        return GFX_SCHLUESSEL1;
2440     case EL_SCHLUESSEL2:        return GFX_SCHLUESSEL2;
2441     case EL_SCHLUESSEL3:        return GFX_SCHLUESSEL3;
2442     case EL_SCHLUESSEL4:        return GFX_SCHLUESSEL4;
2443     case EL_PFORTE1:            return GFX_PFORTE1;
2444     case EL_PFORTE2:            return GFX_PFORTE2;
2445     case EL_PFORTE3:            return GFX_PFORTE3;
2446     case EL_PFORTE4:            return GFX_PFORTE4;
2447     case EL_PFORTE1X:           return GFX_PFORTE1X;
2448     case EL_PFORTE2X:           return GFX_PFORTE2X;
2449     case EL_PFORTE3X:           return GFX_PFORTE3X;
2450     case EL_PFORTE4X:           return GFX_PFORTE4X;
2451     case EL_DYNAMITE_INACTIVE:  return GFX_DYNAMIT_AUS;
2452     case EL_PACMAN:             return GFX_PACMAN;
2453     case EL_PACMAN_RIGHT:       return GFX_PACMAN_RIGHT;
2454     case EL_PACMAN_UP:          return GFX_PACMAN_UP;
2455     case EL_PACMAN_LEFT:        return GFX_PACMAN_LEFT;
2456     case EL_PACMAN_DOWN:        return GFX_PACMAN_DOWN;
2457     case EL_UNSICHTBAR:         return GFX_UNSICHTBAR;
2458     case EL_ERZ_EDEL:           return GFX_ERZ_EDEL;
2459     case EL_ERZ_DIAM:           return GFX_ERZ_DIAM;
2460     case EL_BIRNE_AUS:          return GFX_BIRNE_AUS;
2461     case EL_BIRNE_EIN:          return GFX_BIRNE_EIN;
2462     case EL_ZEIT_VOLL:          return GFX_ZEIT_VOLL;
2463     case EL_ZEIT_LEER:          return GFX_ZEIT_LEER;
2464     case EL_MAUER_LEBT:         return GFX_MAUER_LEBT;
2465     case EL_MAUER_X:            return GFX_MAUER_X;
2466     case EL_MAUER_Y:            return GFX_MAUER_Y;
2467     case EL_MAUER_XY:           return GFX_MAUER_XY;
2468     case EL_EDELSTEIN_BD:       return GFX_EDELSTEIN_BD;
2469     case EL_EDELSTEIN_GELB:     return GFX_EDELSTEIN_GELB;
2470     case EL_EDELSTEIN_ROT:      return GFX_EDELSTEIN_ROT;
2471     case EL_EDELSTEIN_LILA:     return GFX_EDELSTEIN_LILA;
2472     case EL_ERZ_EDEL_BD:        return GFX_ERZ_EDEL_BD;
2473     case EL_ERZ_EDEL_GELB:      return GFX_ERZ_EDEL_GELB;
2474     case EL_ERZ_EDEL_ROT:       return GFX_ERZ_EDEL_ROT;
2475     case EL_ERZ_EDEL_LILA:      return GFX_ERZ_EDEL_LILA;
2476     case EL_MAMPFER2:           return GFX_MAMPFER2;
2477     case EL_MAGIC_WALL_BD_OFF:  return GFX_MAGIC_WALL_BD_OFF;
2478     case EL_MAGIC_WALL_BD_EMPTY:return GFX_MAGIC_WALL_BD_EMPTY;
2479     case EL_MAGIC_WALL_BD_FULL: return GFX_MAGIC_WALL_BD_FULL;
2480     case EL_MAGIC_WALL_BD_DEAD: return GFX_MAGIC_WALL_BD_DEAD;
2481     case EL_DYNABOMB_ACTIVE_1:  return GFX_DYNABOMB;
2482     case EL_DYNABOMB_ACTIVE_2:  return GFX_DYNABOMB;
2483     case EL_DYNABOMB_ACTIVE_3:  return GFX_DYNABOMB;
2484     case EL_DYNABOMB_ACTIVE_4:  return GFX_DYNABOMB;
2485     case EL_DYNABOMB_NR:        return GFX_DYNABOMB_NR;
2486     case EL_DYNABOMB_SZ:        return GFX_DYNABOMB_SZ;
2487     case EL_DYNABOMB_XL:        return GFX_DYNABOMB_XL;
2488     case EL_SOKOBAN_OBJEKT:     return GFX_SOKOBAN_OBJEKT;
2489     case EL_SOKOBAN_FELD_LEER:  return GFX_SOKOBAN_FELD_LEER;
2490     case EL_SOKOBAN_FELD_VOLL:  return GFX_SOKOBAN_FELD_VOLL;
2491     case EL_MOLE:               return GFX_MOLE;
2492     case EL_PINGUIN:            return GFX_PINGUIN;
2493     case EL_SCHWEIN:            return GFX_SCHWEIN;
2494     case EL_DRACHE:             return GFX_DRACHE;
2495     case EL_SONDE:              return GFX_SONDE;
2496     case EL_PFEIL_LEFT:         return GFX_PFEIL_LEFT;
2497     case EL_PFEIL_RIGHT:        return GFX_PFEIL_RIGHT;
2498     case EL_PFEIL_UP:           return GFX_PFEIL_UP;
2499     case EL_PFEIL_DOWN:         return GFX_PFEIL_DOWN;
2500     case EL_SPEED_PILL:         return GFX_SPEED_PILL;
2501     case EL_SP_TERMINAL_ACTIVE: return GFX_SP_TERMINAL;
2502     case EL_SP_BUG_ACTIVE:      return GFX_SP_BUG_ACTIVE;
2503     case EL_SP_ZONK:            return GFX_SP_ZONK;
2504       /* ^^^^^^^^^^ non-standard position in supaplex graphic set! */
2505     case EL_INVISIBLE_STEEL:    return GFX_INVISIBLE_STEEL;
2506     case EL_BLACK_ORB:          return GFX_BLACK_ORB;
2507     case EL_EM_GATE_1:          return GFX_EM_GATE_1;
2508     case EL_EM_GATE_2:          return GFX_EM_GATE_2;
2509     case EL_EM_GATE_3:          return GFX_EM_GATE_3;
2510     case EL_EM_GATE_4:          return GFX_EM_GATE_4;
2511     case EL_EM_GATE_1X:         return GFX_EM_GATE_1X;
2512     case EL_EM_GATE_2X:         return GFX_EM_GATE_2X;
2513     case EL_EM_GATE_3X:         return GFX_EM_GATE_3X;
2514     case EL_EM_GATE_4X:         return GFX_EM_GATE_4X;
2515     case EL_EM_KEY_1_FILE:      return GFX_EM_KEY_1;
2516     case EL_EM_KEY_2_FILE:      return GFX_EM_KEY_2;
2517     case EL_EM_KEY_3_FILE:      return GFX_EM_KEY_3;
2518     case EL_EM_KEY_4_FILE:      return GFX_EM_KEY_4;
2519     case EL_EM_KEY_1:           return GFX_EM_KEY_1;
2520     case EL_EM_KEY_2:           return GFX_EM_KEY_2;
2521     case EL_EM_KEY_3:           return GFX_EM_KEY_3;
2522     case EL_EM_KEY_4:           return GFX_EM_KEY_4;
2523     case EL_PEARL:              return GFX_PEARL;
2524     case EL_CRYSTAL:            return GFX_CRYSTAL;
2525     case EL_WALL_PEARL:         return GFX_WALL_PEARL;
2526     case EL_WALL_CRYSTAL:       return GFX_WALL_CRYSTAL;
2527     case EL_DOOR_WHITE:         return GFX_DOOR_WHITE;
2528     case EL_DOOR_WHITE_GRAY:    return GFX_DOOR_WHITE_GRAY;
2529     case EL_KEY_WHITE:          return GFX_KEY_WHITE;
2530     case EL_SHIELD_PASSIVE:     return GFX_SHIELD_PASSIVE;
2531     case EL_SHIELD_ACTIVE:      return GFX_SHIELD_ACTIVE;
2532     case EL_EXTRA_TIME:         return GFX_EXTRA_TIME;
2533     case EL_SWITCHGATE_OPEN:    return GFX_SWITCHGATE_OPEN;
2534     case EL_SWITCHGATE_CLOSED:  return GFX_SWITCHGATE_CLOSED;
2535     case EL_SWITCHGATE_SWITCH_1:return GFX_SWITCHGATE_SWITCH_1;
2536     case EL_SWITCHGATE_SWITCH_2:return GFX_SWITCHGATE_SWITCH_2;
2537     case EL_BELT1_LEFT:         return GFX_BELT1_LEFT;
2538     case EL_BELT1_MIDDLE:       return GFX_BELT1_MIDDLE;
2539     case EL_BELT1_RIGHT:        return GFX_BELT1_RIGHT;
2540     case EL_BELT1_SWITCH_LEFT:  return GFX_BELT1_SWITCH_LEFT;
2541     case EL_BELT1_SWITCH_MIDDLE:return GFX_BELT1_SWITCH_MIDDLE;
2542     case EL_BELT1_SWITCH_RIGHT: return GFX_BELT1_SWITCH_RIGHT;
2543     case EL_BELT2_LEFT:         return GFX_BELT2_LEFT;
2544     case EL_BELT2_MIDDLE:       return GFX_BELT2_MIDDLE;
2545     case EL_BELT2_RIGHT:        return GFX_BELT2_RIGHT;
2546     case EL_BELT2_SWITCH_LEFT:  return GFX_BELT2_SWITCH_LEFT;
2547     case EL_BELT2_SWITCH_MIDDLE:return GFX_BELT2_SWITCH_MIDDLE;
2548     case EL_BELT2_SWITCH_RIGHT: return GFX_BELT2_SWITCH_RIGHT;
2549     case EL_BELT3_LEFT:         return GFX_BELT3_LEFT;
2550     case EL_BELT3_MIDDLE:       return GFX_BELT3_MIDDLE;
2551     case EL_BELT3_RIGHT:        return GFX_BELT3_RIGHT;
2552     case EL_BELT3_SWITCH_LEFT:  return GFX_BELT3_SWITCH_LEFT;
2553     case EL_BELT3_SWITCH_MIDDLE:return GFX_BELT3_SWITCH_MIDDLE;
2554     case EL_BELT3_SWITCH_RIGHT: return GFX_BELT3_SWITCH_RIGHT;
2555     case EL_BELT4_LEFT:         return GFX_BELT4_LEFT;
2556     case EL_BELT4_MIDDLE:       return GFX_BELT4_MIDDLE;
2557     case EL_BELT4_RIGHT:        return GFX_BELT4_RIGHT;
2558     case EL_BELT4_SWITCH_LEFT:  return GFX_BELT4_SWITCH_LEFT;
2559     case EL_BELT4_SWITCH_MIDDLE:return GFX_BELT4_SWITCH_MIDDLE;
2560     case EL_BELT4_SWITCH_RIGHT: return GFX_BELT4_SWITCH_RIGHT;
2561     case EL_LANDMINE:           return GFX_LANDMINE;
2562     case EL_ENVELOPE:           return GFX_ENVELOPE;
2563     case EL_LIGHT_SWITCH_OFF:   return GFX_LIGHT_SWITCH_OFF;
2564     case EL_LIGHT_SWITCH_ON:    return GFX_LIGHT_SWITCH_ON;
2565     case EL_SIGN_EXCLAMATION:   return GFX_SIGN_EXCLAMATION;
2566     case EL_SIGN_RADIOACTIVITY: return GFX_SIGN_RADIOACTIVITY;
2567     case EL_SIGN_STOP:          return GFX_SIGN_STOP;
2568     case EL_SIGN_WHEELCHAIR:    return GFX_SIGN_WHEELCHAIR;
2569     case EL_SIGN_PARKING:       return GFX_SIGN_PARKING;
2570     case EL_SIGN_ONEWAY:        return GFX_SIGN_ONEWAY;
2571     case EL_SIGN_HEART:         return GFX_SIGN_HEART;
2572     case EL_SIGN_TRIANGLE:      return GFX_SIGN_TRIANGLE;
2573     case EL_SIGN_ROUND:         return GFX_SIGN_ROUND;
2574     case EL_SIGN_EXIT:          return GFX_SIGN_EXIT;
2575     case EL_SIGN_YINYANG:       return GFX_SIGN_YINYANG;
2576     case EL_SIGN_OTHER:         return GFX_SIGN_OTHER;
2577     case EL_MOLE_LEFT:          return GFX_MOLE_LEFT;
2578     case EL_MOLE_RIGHT:         return GFX_MOLE_RIGHT;
2579     case EL_MOLE_UP:            return GFX_MOLE_UP;
2580     case EL_MOLE_DOWN:          return GFX_MOLE_DOWN;
2581     case EL_STEEL_SLANTED:      return GFX_STEEL_SLANTED;
2582     case EL_SAND_INVISIBLE:     return GFX_SAND_INVISIBLE;
2583     case EL_DX_UNKNOWN_15:      return GFX_DX_UNKNOWN_15;
2584     case EL_DX_UNKNOWN_42:      return GFX_DX_UNKNOWN_42;
2585     case EL_TIMEGATE_OPEN:      return GFX_TIMEGATE_OPEN;
2586     case EL_TIMEGATE_CLOSED:    return GFX_TIMEGATE_CLOSED;
2587     case EL_TIMEGATE_SWITCH_ON: return GFX_TIMEGATE_SWITCH;
2588     case EL_TIMEGATE_SWITCH_OFF:return GFX_TIMEGATE_SWITCH;
2589     case EL_BALLOON:            return GFX_BALLOON;
2590     case EL_BALLOON_SEND_LEFT:  return GFX_BALLOON_SEND_LEFT;
2591     case EL_BALLOON_SEND_RIGHT: return GFX_BALLOON_SEND_RIGHT;
2592     case EL_BALLOON_SEND_UP:    return GFX_BALLOON_SEND_UP;
2593     case EL_BALLOON_SEND_DOWN:  return GFX_BALLOON_SEND_DOWN;
2594     case EL_BALLOON_SEND_ANY:   return GFX_BALLOON_SEND_ANY;
2595     case EL_EMC_STEEL_WALL_1:   return GFX_EMC_STEEL_WALL_1;
2596     case EL_EMC_STEEL_WALL_2:   return GFX_EMC_STEEL_WALL_2;
2597     case EL_EMC_STEEL_WALL_3:   return GFX_EMC_STEEL_WALL_3;
2598     case EL_EMC_STEEL_WALL_4:   return GFX_EMC_STEEL_WALL_4;
2599     case EL_EMC_WALL_1:         return GFX_EMC_WALL_1;
2600     case EL_EMC_WALL_2:         return GFX_EMC_WALL_2;
2601     case EL_EMC_WALL_3:         return GFX_EMC_WALL_3;
2602     case EL_EMC_WALL_4:         return GFX_EMC_WALL_4;
2603     case EL_EMC_WALL_5:         return GFX_EMC_WALL_5;
2604     case EL_EMC_WALL_6:         return GFX_EMC_WALL_6;
2605     case EL_EMC_WALL_7:         return GFX_EMC_WALL_7;
2606     case EL_EMC_WALL_8:         return GFX_EMC_WALL_8;
2607     case EL_TUBE_CROSS:         return GFX_TUBE_CROSS;
2608     case EL_TUBE_VERTICAL:      return GFX_TUBE_VERTICAL;
2609     case EL_TUBE_HORIZONTAL:    return GFX_TUBE_HORIZONTAL;
2610     case EL_TUBE_VERT_LEFT:     return GFX_TUBE_VERT_LEFT;
2611     case EL_TUBE_VERT_RIGHT:    return GFX_TUBE_VERT_RIGHT;
2612     case EL_TUBE_HORIZ_UP:      return GFX_TUBE_HORIZ_UP;
2613     case EL_TUBE_HORIZ_DOWN:    return GFX_TUBE_HORIZ_DOWN;
2614     case EL_TUBE_LEFT_UP:       return GFX_TUBE_LEFT_UP;
2615     case EL_TUBE_LEFT_DOWN:     return GFX_TUBE_LEFT_DOWN;
2616     case EL_TUBE_RIGHT_UP:      return GFX_TUBE_RIGHT_UP;
2617     case EL_TUBE_RIGHT_DOWN:    return GFX_TUBE_RIGHT_DOWN;
2618     case EL_SPRING:             return GFX_SPRING;
2619     case EL_SPRING_MOVING:      return GFX_SPRING;
2620     case EL_TRAP_INACTIVE:      return GFX_TRAP_INACTIVE;
2621     case EL_TRAP_ACTIVE:        return GFX_TRAP_ACTIVE;
2622     case EL_BD_WALL:            return GFX_BD_WALL;
2623     case EL_BD_ROCK:            return GFX_BD_ROCK;
2624     case EL_DX_SUPABOMB:        return GFX_DX_SUPABOMB;
2625     case EL_SP_MURPHY_CLONE:    return GFX_SP_MURPHY_CLONE;
2626
2627     default:
2628     {
2629       if (IS_CHAR(element))
2630         return GFX_CHAR_START + (element - EL_CHAR_START);
2631       else if (element >= EL_SP_START && element <= EL_SP_END)
2632       {
2633         int nr_element = element - EL_SP_START;
2634         int gfx_per_line = 8;
2635         int nr_graphic =
2636           (nr_element / gfx_per_line) * SP_PER_LINE +
2637           (nr_element % gfx_per_line);
2638
2639         return GFX_START_ROCKSSP + nr_graphic;
2640       }
2641       else
2642         return -1;
2643     }
2644   }
2645 }