src/tools.c

   1 /***********************************************************
   2 *  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
   3 *----------------------------------------------------------*
   4 *  (c) 1995-98 Artsoft Entertainment                       *
   5 *              Holger Schemel                              *
   6 *              Oststrasse 11a                              *
   7 *              33604 Bielefeld                             *
   8 *              phone: ++49 +521 290471                     *
   9 *              email: aeglos@valinor.owl.de                *
  10 *----------------------------------------------------------*
  11 *  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;
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
1354   if (IS_MOVING(ux, uy))
1355   {
1356     int horiz_move = (MovDir[ux][uy] == MV_LEFT || MovDir[ux][uy] == MV_RIGHT);
1357     boolean cut_mode = NO_CUTTING;
1358
1359     if (Store[ux][uy] == EL_MORAST_LEER ||
1360         Store[ux][uy] == EL_MAGIC_WALL_EMPTY ||
1361         Store[ux][uy] == EL_MAGIC_WALL_BD_EMPTY ||
1362         Store[ux][uy] == EL_AMOEBE_NASS)
1363       cut_mode = CUT_ABOVE;
1364     else if (Store[ux][uy] == EL_MORAST_VOLL ||
1365              Store[ux][uy] == EL_MAGIC_WALL_FULL ||
1366              Store[ux][uy] == EL_MAGIC_WALL_BD_FULL)
1367       cut_mode = CUT_BELOW;
1368
1369     if (cut_mode == CUT_ABOVE)
1370       DrawScreenElementShifted(x, y, 0, 0, Store[ux][uy], NO_CUTTING);
1371     else
1372       DrawScreenElement(x, y, EL_LEERRAUM);
1373
1374     if (horiz_move)
1375       DrawScreenElementShifted(x, y, MovPos[ux][uy], 0, element, NO_CUTTING);
1376     else
1377       DrawScreenElementShifted(x, y, 0, MovPos[ux][uy], element, cut_mode);
1378
1379     if (Store[ux][uy] == EL_SALZSAEURE)
1380       DrawLevelElementThruMask(ux, uy + 1, EL_SALZSAEURE);
1381   }
1382   else if (IS_BLOCKED(ux, uy))
1383   {
1384     int oldx, oldy;
1385     int sx, sy;
1386     int horiz_move;
1387     boolean cut_mode = NO_CUTTING;
1388
1389     Blocked2Moving(ux, uy, &oldx, &oldy);
1390     sx = SCREENX(oldx);
1391     sy = SCREENY(oldy);
1392     horiz_move = (MovDir[oldx][oldy] == MV_LEFT ||
1393                   MovDir[oldx][oldy] == MV_RIGHT);
1394
1395     if (Store[oldx][oldy] == EL_MORAST_LEER ||
1396         Store[oldx][oldy] == EL_MAGIC_WALL_EMPTY ||
1397         Store[oldx][oldy] == EL_MAGIC_WALL_BD_EMPTY ||
1398         Store[oldx][oldy] == EL_AMOEBE_NASS)
1399       cut_mode = CUT_ABOVE;
1400
1401     DrawScreenElement(x, y, EL_LEERRAUM);
1402     element = Feld[oldx][oldy];
1403
1404     if (horiz_move)
1405       DrawScreenElementShifted(sx,sy, MovPos[oldx][oldy],0,element,NO_CUTTING);
1406     else
1407       DrawScreenElementShifted(sx,sy, 0,MovPos[oldx][oldy],element,cut_mode);
1408   }
1409   else if (IS_DRAWABLE(element))
1410     DrawScreenElement(x, y, element);
1411   else
1412     DrawScreenElement(x, y, EL_LEERRAUM);
1413 }
1414
1415 void DrawLevelField(int x, int y)
1416 {
1417   if (IN_SCR_FIELD(SCREENX(x), SCREENY(y)))
1418     DrawScreenField(SCREENX(x), SCREENY(y));
1419   else if (IS_MOVING(x, y))
1420   {
1421     int newx,newy;
1422
1423     Moving2Blocked(x, y, &newx, &newy);
1424     if (IN_SCR_FIELD(SCREENX(newx), SCREENY(newy)))
1425       DrawScreenField(SCREENX(newx), SCREENY(newy));
1426   }
1427   else if (IS_BLOCKED(x, y))
1428   {
1429     int oldx, oldy;
1430
1431     Blocked2Moving(x, y, &oldx, &oldy);
1432     if (IN_SCR_FIELD(SCREENX(oldx), SCREENY(oldy)))
1433       DrawScreenField(SCREENX(oldx), SCREENY(oldy));
1434   }
1435 }
1436
1437 void DrawMiniElement(int x, int y, int element)
1438 {
1439   int graphic;
1440
1441   if (!element)
1442   {
1443     DrawMiniGraphic(x, y, -1);
1444     return;
1445   }
1446
1447   graphic = el2gfx(element);
1448   DrawMiniGraphic(x, y, graphic);
1449 }
1450
1451 void DrawMiniElementOrWall(int sx, int sy, int scroll_x, int scroll_y)
1452 {
1453   int x = sx + scroll_x, y = sy + scroll_y;
1454
1455   if (x < -1 || x > lev_fieldx || y < -1 || y > lev_fieldy)
1456     DrawMiniElement(sx, sy, EL_LEERRAUM);
1457   else if (x > -1 && x < lev_fieldx && y > -1 && y < lev_fieldy)
1458     DrawMiniElement(sx, sy, Feld[x][y]);
1459   else
1460   {
1461     int steel_type, steel_position;
1462     int border[6][2] =
1463     {
1464       { GFX_VSTEEL_UPPER_LEFT,  GFX_ISTEEL_UPPER_LEFT  },
1465       { GFX_VSTEEL_UPPER_RIGHT, GFX_ISTEEL_UPPER_RIGHT },
1466       { GFX_VSTEEL_LOWER_LEFT,  GFX_ISTEEL_LOWER_LEFT  },
1467       { GFX_VSTEEL_LOWER_RIGHT, GFX_ISTEEL_LOWER_RIGHT },
1468       { GFX_VSTEEL_VERTICAL,    GFX_ISTEEL_VERTICAL    },
1469       { GFX_VSTEEL_HORIZONTAL,  GFX_ISTEEL_HORIZONTAL  }
1470     };
1471
1472     steel_type = (BorderElement == EL_BETON ? 0 : 1);
1473     steel_position = (x == -1 && y == -1                        ? 0 :
1474                       x == lev_fieldx && y == -1                ? 1 :
1475                       x == -1 && y == lev_fieldy                ? 2 :
1476                       x == lev_fieldx && y == lev_fieldy        ? 3 :
1477                       x == -1 || x == lev_fieldx                ? 4 :
1478                       y == -1 || y == lev_fieldy                ? 5 : -1);
1479
1480     if (steel_position != -1)
1481       DrawMiniGraphic(sx, sy, border[steel_position][steel_type]);
1482   }
1483 }
1484
1485 void DrawMicroElement(int xpos, int ypos, int element)
1486 {
1487   int graphic;
1488
1489   if (element == EL_LEERRAUM)
1490     return;
1491
1492   graphic = el2gfx(element);
1493
1494   if (graphic >= GFX_START_ROCKSSP && graphic <= GFX_END_ROCKSSP)
1495   {
1496     graphic -= GFX_START_ROCKSSP;
1497     graphic -= ((graphic / SP_PER_LINE) * SP_PER_LINE) / 2;
1498     BlitBitmap(pix[PIX_SP], drawto,
1499                MICRO_SP_STARTX + (graphic % MICRO_SP_PER_LINE) * MICRO_TILEX,
1500                MICRO_SP_STARTY + (graphic / MICRO_SP_PER_LINE) * MICRO_TILEY,
1501                MICRO_TILEX, MICRO_TILEY, xpos, ypos);
1502   }
1503   else if (graphic >= GFX_START_ROCKSDC && graphic <= GFX_END_ROCKSDC)
1504   {
1505     graphic -= GFX_START_ROCKSDC;
1506     BlitBitmap(pix[PIX_DC], drawto,
1507                MICRO_DC_STARTX + (graphic % MICRO_DC_PER_LINE) * MICRO_TILEX,
1508                MICRO_DC_STARTY + (graphic / MICRO_DC_PER_LINE) * MICRO_TILEY,
1509                MICRO_TILEX, MICRO_TILEY, xpos, ypos);
1510   }
1511   else if (graphic >= GFX_START_ROCKSMORE && graphic <= GFX_END_ROCKSMORE)
1512   {
1513     graphic -= GFX_START_ROCKSMORE;
1514     BlitBitmap(pix[PIX_MORE], drawto,
1515                MICRO_MORE_STARTX + (graphic % MICRO_MORE_PER_LINE)*MICRO_TILEX,
1516                MICRO_MORE_STARTY + (graphic / MICRO_MORE_PER_LINE)*MICRO_TILEY,
1517                MICRO_TILEX, MICRO_TILEY, xpos, ypos);
1518   }
1519   else
1520     BlitBitmap(pix[PIX_BACK], drawto,
1521                MICRO_GFX_STARTX + (graphic % MICRO_GFX_PER_LINE) * MICRO_TILEX,
1522                MICRO_GFX_STARTY + (graphic / MICRO_GFX_PER_LINE) * MICRO_TILEY,
1523                MICRO_TILEX, MICRO_TILEY, xpos, ypos);
1524 }
1525
1526 void DrawLevel()
1527 {
1528   int x,y;
1529
1530   ClearWindow();
1531
1532   for(x=BX1; x<=BX2; x++)
1533     for(y=BY1; y<=BY2; y++)
1534       DrawScreenField(x, y);
1535
1536   redraw_mask |= REDRAW_FIELD;
1537 }
1538
1539 void DrawMiniLevel(int size_x, int size_y, int scroll_x, int scroll_y)
1540 {
1541   int x,y;
1542
1543   for(x=0; x<size_x; x++)
1544     for(y=0; y<size_y; y++)
1545       DrawMiniElementOrWall(x, y, scroll_x, scroll_y);
1546
1547   redraw_mask |= REDRAW_FIELD;
1548 }
1549
1550 static void DrawMicroLevelExt(int xpos, int ypos, int from_x, int from_y)
1551 {
1552   int x, y;
1553
1554   ClearRectangle(drawto, xpos, ypos, MICROLEV_XSIZE, MICROLEV_YSIZE);
1555
1556   if (lev_fieldx < STD_LEV_FIELDX)
1557     xpos += (STD_LEV_FIELDX - lev_fieldx) / 2 * MICRO_TILEX;
1558   if (lev_fieldy < STD_LEV_FIELDY)
1559     ypos += (STD_LEV_FIELDY - lev_fieldy) / 2 * MICRO_TILEY;
1560
1561   xpos += MICRO_TILEX;
1562   ypos += MICRO_TILEY;
1563
1564   for(x=-1; x<=STD_LEV_FIELDX; x++)
1565   {
1566     for(y=-1; y<=STD_LEV_FIELDY; y++)
1567     {
1568       int lx = from_x + x, ly = from_y + y;
1569
1570       if (lx >= 0 && lx < lev_fieldx && ly >= 0 && ly < lev_fieldy)
1571         DrawMicroElement(xpos + x * MICRO_TILEX, ypos + y * MICRO_TILEY,
1572                          Ur[lx][ly]);
1573       else if (lx >= -1 && lx < lev_fieldx+1 && ly >= -1 && ly < lev_fieldy+1)
1574         DrawMicroElement(xpos + x * MICRO_TILEX, ypos + y * MICRO_TILEY,
1575                          BorderElement);
1576     }
1577   }
1578
1579   redraw_mask |= REDRAW_MICROLEVEL;
1580 }
1581
1582 #define MICROLABEL_EMPTY                0
1583 #define MICROLABEL_LEVEL_NAME           1
1584 #define MICROLABEL_CREATED_BY           2
1585 #define MICROLABEL_LEVEL_AUTHOR         3
1586 #define MICROLABEL_IMPORTED_FROM        4
1587 #define MICROLABEL_LEVEL_IMPORT_INFO    5
1588
1589 #define MAX_MICROLABEL_SIZE             (SXSIZE / FONT4_XSIZE)
1590
1591 static void DrawMicroLevelLabelExt(int mode)
1592 {
1593   char label_text[MAX_MICROLABEL_SIZE + 1];
1594
1595   ClearRectangle(drawto, SX, MICROLABEL_YPOS, SXSIZE, FONT4_YSIZE);
1596
1597   strncpy(label_text, (mode == MICROLABEL_LEVEL_NAME ? level.name :
1598                        mode == MICROLABEL_CREATED_BY ? "created by" :
1599                        mode == MICROLABEL_LEVEL_AUTHOR ? level.author :
1600                        mode == MICROLABEL_IMPORTED_FROM ? "imported from" :
1601                        mode == MICROLABEL_LEVEL_IMPORT_INFO ?
1602                        leveldir_current->imported_from : ""),
1603           MAX_MICROLABEL_SIZE);
1604   label_text[MAX_MICROLABEL_SIZE] = '\0';
1605
1606   if (strlen(label_text) > 0)
1607   {
1608     int lxpos = SX + (SXSIZE - strlen(label_text) * FONT4_XSIZE) / 2;
1609     int lypos = MICROLABEL_YPOS;
1610
1611     DrawText(lxpos, lypos, label_text, FS_SMALL, FC_SPECIAL2);
1612   }
1613
1614   redraw_mask |= REDRAW_MICROLEVEL;
1615 }
1616
1617 void DrawMicroLevel(int xpos, int ypos, boolean restart)
1618 {
1619   static unsigned long scroll_delay = 0;
1620   static unsigned long label_delay = 0;
1621   static int from_x, from_y, scroll_direction;
1622   static int label_state, label_counter;
1623
1624   if (restart)
1625   {
1626     from_x = from_y = 0;
1627     scroll_direction = MV_RIGHT;
1628     label_state = 1;
1629     label_counter = 0;
1630
1631     DrawMicroLevelExt(xpos, ypos, from_x, from_y);
1632     DrawMicroLevelLabelExt(label_state);
1633
1634     /* initialize delay counters */
1635     DelayReached(&scroll_delay, 0);
1636     DelayReached(&label_delay, 0);
1637
1638     return;
1639   }
1640
1641   /* scroll micro level, if needed */
1642   if ((lev_fieldx > STD_LEV_FIELDX || lev_fieldy > STD_LEV_FIELDY) &&
1643       DelayReached(&scroll_delay, MICROLEVEL_SCROLL_DELAY))
1644   {
1645     switch (scroll_direction)
1646     {
1647       case MV_LEFT:
1648         if (from_x > 0)
1649           from_x--;
1650         else
1651           scroll_direction = MV_UP;
1652         break;
1653
1654       case MV_RIGHT:
1655         if (from_x < lev_fieldx - STD_LEV_FIELDX)
1656           from_x++;
1657         else
1658           scroll_direction = MV_DOWN;
1659         break;
1660
1661       case MV_UP:
1662         if (from_y > 0)
1663           from_y--;
1664         else
1665           scroll_direction = MV_RIGHT;
1666         break;
1667
1668       case MV_DOWN:
1669         if (from_y < lev_fieldy - STD_LEV_FIELDY)
1670           from_y++;
1671         else
1672           scroll_direction = MV_LEFT;
1673         break;
1674
1675       default:
1676         break;
1677     }
1678
1679     DrawMicroLevelExt(xpos, ypos, from_x, from_y);
1680   }
1681
1682   /* redraw micro level label, if needed */
1683   if (strcmp(level.name, NAMELESS_LEVEL_NAME) != 0 &&
1684       strcmp(level.author, ANONYMOUS_NAME) != 0 &&
1685       strcmp(level.author, leveldir_current->name) != 0 &&
1686       DelayReached(&label_delay, MICROLEVEL_LABEL_DELAY))
1687   {
1688     int max_label_counter = 23;
1689
1690     if (leveldir_current->imported_from != NULL)
1691       max_label_counter += 14;
1692
1693     label_counter = (label_counter + 1) % max_label_counter;
1694     label_state = (label_counter >= 0 && label_counter <= 7 ?
1695                    MICROLABEL_LEVEL_NAME :
1696                    label_counter >= 9 && label_counter <= 12 ?
1697                    MICROLABEL_CREATED_BY :
1698                    label_counter >= 14 && label_counter <= 21 ?
1699                    MICROLABEL_LEVEL_AUTHOR :
1700                    label_counter >= 23 && label_counter <= 26 ?
1701                    MICROLABEL_IMPORTED_FROM :
1702                    label_counter >= 28 && label_counter <= 35 ?
1703                    MICROLABEL_LEVEL_IMPORT_INFO : MICROLABEL_EMPTY);
1704     DrawMicroLevelLabelExt(label_state);
1705   }
1706 }
1707
1708 int REQ_in_range(int x, int y)
1709 {
1710   if (y > DY+249 && y < DY+278)
1711   {
1712     if (x > DX+1 && x < DX+48)
1713       return 1;
1714     else if (x > DX+51 && x < DX+98)
1715       return 2;
1716   }
1717   return 0;
1718 }
1719
1720 boolean Request(char *text, unsigned int req_state)
1721 {
1722   int mx, my, ty, result = -1;
1723   unsigned int old_door_state;
1724
1725 #if defined(PLATFORM_UNIX)
1726   /* pause network game while waiting for request to answer */
1727   if (options.network &&
1728       game_status == PLAYING &&
1729       req_state & REQUEST_WAIT_FOR)
1730     SendToServer_PausePlaying();
1731 #endif
1732
1733   old_door_state = GetDoorState();
1734
1735   UnmapAllGadgets();
1736
1737   CloseDoor(DOOR_CLOSE_1);
1738
1739   /* save old door content */
1740   BlitBitmap(pix[PIX_DB_DOOR], pix[PIX_DB_DOOR],
1741              DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE,
1742              DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1);
1743
1744   /* clear door drawing field */
1745   ClearRectangle(drawto, DX, DY, DXSIZE, DYSIZE);
1746
1747   /* write text for request */
1748   for(ty=0; ty<13; ty++)
1749   {
1750     int tx, tl, tc;
1751     char txt[256];
1752
1753     if (!*text)
1754       break;
1755
1756     for(tl=0,tx=0; tx<7; tl++,tx++)
1757     {
1758       tc = *(text + tx);
1759       if (!tc || tc == 32)
1760         break;
1761     }
1762     if (!tl)
1763     {
1764       text++;
1765       ty--;
1766       continue;
1767     }
1768     sprintf(txt, text);
1769     txt[tl] = 0;
1770     DrawTextExt(drawto, DX + 51 - (tl * 14)/2, DY + 8 + ty * 16,
1771                 txt, FS_SMALL, FC_YELLOW);
1772     text += tl + (tc == 32 ? 1 : 0);
1773   }
1774
1775   if (req_state & REQ_ASK)
1776   {
1777     MapGadget(tool_gadget[TOOL_CTRL_ID_YES]);
1778     MapGadget(tool_gadget[TOOL_CTRL_ID_NO]);
1779   }
1780   else if (req_state & REQ_CONFIRM)
1781   {
1782     MapGadget(tool_gadget[TOOL_CTRL_ID_CONFIRM]);
1783   }
1784   else if (req_state & REQ_PLAYER)
1785   {
1786     MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_1]);
1787     MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_2]);
1788     MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_3]);
1789     MapGadget(tool_gadget[TOOL_CTRL_ID_PLAYER_4]);
1790   }
1791
1792   /* copy request gadgets to door backbuffer */
1793   BlitBitmap(drawto, pix[PIX_DB_DOOR],
1794              DX, DY, DXSIZE, DYSIZE,
1795              DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
1796
1797   OpenDoor(DOOR_OPEN_1);
1798
1799 #if 0
1800   ClearEventQueue();
1801 #endif
1802
1803   if (!(req_state & REQUEST_WAIT_FOR))
1804     return(FALSE);
1805
1806   if (game_status != MAINMENU)
1807     InitAnimation();
1808
1809   button_status = MB_RELEASED;
1810
1811   request_gadget_id = -1;
1812
1813   while(result < 0)
1814   {
1815     if (PendingEvent())
1816     {
1817       Event event;
1818
1819       NextEvent(&event);
1820
1821       switch(event.type)
1822       {
1823         case EVENT_BUTTONPRESS:
1824         case EVENT_BUTTONRELEASE:
1825         case EVENT_MOTIONNOTIFY:
1826         {
1827           if (event.type == EVENT_MOTIONNOTIFY)
1828           {
1829             if (!PointerInWindow(window))
1830               continue; /* window and pointer are on different screens */
1831
1832             if (!button_status)
1833               continue;
1834
1835             motion_status = TRUE;
1836             mx = ((MotionEvent *) &event)->x;
1837             my = ((MotionEvent *) &event)->y;
1838           }
1839           else
1840           {
1841             motion_status = FALSE;
1842             mx = ((ButtonEvent *) &event)->x;
1843             my = ((ButtonEvent *) &event)->y;
1844             if (event.type == EVENT_BUTTONPRESS)
1845               button_status = ((ButtonEvent *) &event)->button;
1846             else
1847               button_status = MB_RELEASED;
1848           }
1849
1850           /* this sets 'request_gadget_id' */
1851           HandleGadgets(mx, my, button_status);
1852
1853           switch(request_gadget_id)
1854           {
1855             case TOOL_CTRL_ID_YES:
1856               result = TRUE;
1857               break;
1858             case TOOL_CTRL_ID_NO:
1859               result = FALSE;
1860               break;
1861             case TOOL_CTRL_ID_CONFIRM:
1862               result = TRUE | FALSE;
1863               break;
1864
1865             case TOOL_CTRL_ID_PLAYER_1:
1866               result = 1;
1867               break;
1868             case TOOL_CTRL_ID_PLAYER_2:
1869               result = 2;
1870               break;
1871             case TOOL_CTRL_ID_PLAYER_3:
1872               result = 3;
1873               break;
1874             case TOOL_CTRL_ID_PLAYER_4:
1875               result = 4;
1876               break;
1877
1878             default:
1879               break;
1880           }
1881
1882           break;
1883         }
1884
1885         case EVENT_KEYPRESS:
1886           switch(GetEventKey((KeyEvent *)&event, TRUE))
1887           {
1888             case KSYM_Return:
1889               result = 1;
1890               break;
1891
1892             case KSYM_Escape:
1893               result = 0;
1894               break;
1895
1896             default:
1897               break;
1898           }
1899           if (req_state & REQ_PLAYER)
1900             result = 0;
1901           break;
1902
1903         case EVENT_KEYRELEASE:
1904           key_joystick_mapping = 0;
1905           break;
1906
1907         default:
1908           HandleOtherEvents(&event);
1909           break;
1910       }
1911     }
1912     else if (AnyJoystickButton() == JOY_BUTTON_NEW_PRESSED)
1913     {
1914       int joy = AnyJoystick();
1915
1916       if (joy & JOY_BUTTON_1)
1917         result = 1;
1918       else if (joy & JOY_BUTTON_2)
1919         result = 0;
1920     }
1921
1922     DoAnimation();
1923
1924     /* don't eat all CPU time */
1925     Delay(10);
1926   }
1927
1928   if (game_status != MAINMENU)
1929     StopAnimation();
1930
1931   UnmapToolButtons();
1932
1933   if (!(req_state & REQ_STAY_OPEN))
1934   {
1935     CloseDoor(DOOR_CLOSE_1);
1936
1937     if (!(req_state & REQ_STAY_CLOSED) && (old_door_state & DOOR_OPEN_1))
1938     {
1939       BlitBitmap(pix[PIX_DB_DOOR], pix[PIX_DB_DOOR],
1940                  DOOR_GFX_PAGEX2,DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
1941                  DOOR_GFX_PAGEX1,DOOR_GFX_PAGEY1);
1942       OpenDoor(DOOR_OPEN_1);
1943     }
1944   }
1945
1946   RemapAllGadgets();
1947
1948 #if defined(PLATFORM_UNIX)
1949   /* continue network game after request */
1950   if (options.network &&
1951       game_status == PLAYING &&
1952       req_state & REQUEST_WAIT_FOR)
1953     SendToServer_ContinuePlaying();
1954 #endif
1955
1956   return(result);
1957 }
1958
1959 unsigned int OpenDoor(unsigned int door_state)
1960 {
1961   unsigned int new_door_state;
1962
1963   if (door_state & DOOR_COPY_BACK)
1964   {
1965     BlitBitmap(pix[PIX_DB_DOOR], pix[PIX_DB_DOOR],
1966                DOOR_GFX_PAGEX2, DOOR_GFX_PAGEY1, DXSIZE, DYSIZE + VYSIZE,
1967                DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
1968     door_state &= ~DOOR_COPY_BACK;
1969   }
1970
1971   new_door_state = MoveDoor(door_state);
1972
1973   return(new_door_state);
1974 }
1975
1976 unsigned int CloseDoor(unsigned int door_state)
1977 {
1978   unsigned int new_door_state;
1979
1980   BlitBitmap(backbuffer, pix[PIX_DB_DOOR],
1981              DX, DY, DXSIZE, DYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1);
1982   BlitBitmap(backbuffer, pix[PIX_DB_DOOR],
1983              VX, VY, VXSIZE, VYSIZE, DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2);
1984
1985   new_door_state = MoveDoor(door_state);
1986
1987   return(new_door_state);
1988 }
1989
1990 unsigned int GetDoorState()
1991 {
1992   return(MoveDoor(DOOR_GET_STATE));
1993 }
1994
1995 unsigned int MoveDoor(unsigned int door_state)
1996 {
1997   static int door1 = DOOR_OPEN_1;
1998   static int door2 = DOOR_CLOSE_2;
1999   static unsigned long door_delay = 0;
2000   int x, start, stepsize = 2;
2001   unsigned long door_delay_value = stepsize * 5;
2002
2003   if (door_state == DOOR_GET_STATE)
2004     return(door1 | door2);
2005
2006   if (door1 == DOOR_OPEN_1 && door_state & DOOR_OPEN_1)
2007     door_state &= ~DOOR_OPEN_1;
2008   else if (door1 == DOOR_CLOSE_1 && door_state & DOOR_CLOSE_1)
2009     door_state &= ~DOOR_CLOSE_1;
2010   if (door2 == DOOR_OPEN_2 && door_state & DOOR_OPEN_2)
2011     door_state &= ~DOOR_OPEN_2;
2012   else if (door2 == DOOR_CLOSE_2 && door_state & DOOR_CLOSE_2)
2013     door_state &= ~DOOR_CLOSE_2;
2014
2015   if (setup.quick_doors)
2016   {
2017     stepsize = 20;
2018     door_delay_value = 0;
2019     StopSound(SND_OEFFNEN);
2020   }
2021
2022   if (door_state & DOOR_ACTION)
2023   {
2024     if (!(door_state & DOOR_NO_DELAY))
2025       PlaySoundStereo(SND_OEFFNEN, PSND_MAX_RIGHT);
2026
2027     start = ((door_state & DOOR_NO_DELAY) ? DXSIZE : 0);
2028
2029     for(x=start; x<=DXSIZE; x+=stepsize)
2030     {
2031       Bitmap bitmap = pix[PIX_DOOR];
2032       GC gc = bitmap->stored_clip_gc;
2033
2034       WaitUntilDelayReached(&door_delay, door_delay_value);
2035
2036       if (door_state & DOOR_ACTION_1)
2037       {
2038         int i = (door_state & DOOR_OPEN_1 ? DXSIZE-x : x);
2039         int j = (DXSIZE - i) / 3;
2040
2041         BlitBitmap(pix[PIX_DB_DOOR], drawto,
2042                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY1 + i/2,
2043                    DXSIZE,DYSIZE - i/2, DX, DY);
2044
2045         ClearRectangle(drawto, DX, DY + DYSIZE - i/2, DXSIZE,i/2);
2046
2047         SetClipOrigin(bitmap, gc, DX - i, (DY + j) - DOOR_GFX_PAGEY1);
2048         BlitBitmapMasked(bitmap, drawto,
2049                          DXSIZE, DOOR_GFX_PAGEY1, i, 77,
2050                          DX + DXSIZE - i, DY + j);
2051         BlitBitmapMasked(bitmap, drawto,
2052                          DXSIZE, DOOR_GFX_PAGEY1 + 140, i, 63,
2053                          DX + DXSIZE - i, DY + 140 + j);
2054         SetClipOrigin(bitmap, gc, DX - DXSIZE + i, DY - (DOOR_GFX_PAGEY1 + j));
2055         BlitBitmapMasked(bitmap, drawto,
2056                          DXSIZE - i, DOOR_GFX_PAGEY1 + j, i, 77 - j,
2057                          DX, DY);
2058         BlitBitmapMasked(bitmap, drawto,
2059                          DXSIZE-i, DOOR_GFX_PAGEY1 + 140, i, 63,
2060                          DX, DY + 140 - j);
2061
2062         BlitBitmapMasked(bitmap, drawto,
2063                          DXSIZE - i, DOOR_GFX_PAGEY1 + 77, i, 63,
2064                          DX, DY + 77 - j);
2065         BlitBitmapMasked(bitmap, drawto,
2066                          DXSIZE - i, DOOR_GFX_PAGEY1 + 203, i, 77,
2067                          DX, DY + 203 - j);
2068         SetClipOrigin(bitmap, gc, DX - i, (DY + j) - DOOR_GFX_PAGEY1);
2069         BlitBitmapMasked(bitmap, drawto,
2070                          DXSIZE, DOOR_GFX_PAGEY1 + 77, i, 63,
2071                          DX + DXSIZE - i, DY + 77 + j);
2072         BlitBitmapMasked(bitmap, drawto,
2073                          DXSIZE, DOOR_GFX_PAGEY1 + 203, i, 77 - j,
2074                          DX + DXSIZE - i, DY + 203 + j);
2075
2076         redraw_mask |= REDRAW_DOOR_1;
2077       }
2078
2079       if (door_state & DOOR_ACTION_2)
2080       {
2081         int i = (door_state & DOOR_OPEN_2 ? VXSIZE - x : x);
2082         int j = (VXSIZE - i) / 3;
2083
2084         BlitBitmap(pix[PIX_DB_DOOR], drawto,
2085                    DOOR_GFX_PAGEX1, DOOR_GFX_PAGEY2 + i/2,
2086                    VXSIZE, VYSIZE - i/2, VX, VY);
2087
2088         ClearRectangle(drawto, VX, VY + VYSIZE-i/2, VXSIZE, i/2);
2089
2090         SetClipOrigin(bitmap, gc, VX - i, (VY + j) - DOOR_GFX_PAGEY2);
2091         BlitBitmapMasked(bitmap, drawto,
2092                          VXSIZE, DOOR_GFX_PAGEY2, i, VYSIZE / 2,
2093                          VX + VXSIZE-i, VY+j);
2094         SetClipOrigin(bitmap, gc,
2095                       VX - VXSIZE + i, VY - (DOOR_GFX_PAGEY2 + j));
2096         BlitBitmapMasked(bitmap, drawto,
2097                          VXSIZE - i, DOOR_GFX_PAGEY2 + j, i, VYSIZE / 2 - j,
2098                          VX, VY);
2099
2100         BlitBitmapMasked(bitmap, drawto,
2101                          VXSIZE - i, DOOR_GFX_PAGEY2 + VYSIZE / 2,
2102                          i, VYSIZE / 2, VX, VY + VYSIZE / 2 - j);
2103         SetClipOrigin(bitmap, gc, VX - i, (VY + j) - DOOR_GFX_PAGEY2);
2104         BlitBitmapMasked(bitmap, drawto,
2105                          VXSIZE, DOOR_GFX_PAGEY2 + VYSIZE / 2,
2106                          i, VYSIZE / 2 - j,
2107                          VX + VXSIZE - i, VY + VYSIZE / 2 + j);
2108
2109         redraw_mask |= REDRAW_DOOR_2;
2110       }
2111
2112       BackToFront();
2113
2114       if (game_status == MAINMENU)
2115         DoAnimation();
2116     }
2117   }
2118
2119   if (setup.quick_doors)
2120     StopSound(SND_OEFFNEN);
2121
2122   if (door_state & DOOR_ACTION_1)
2123     door1 = door_state & DOOR_ACTION_1;
2124   if (door_state & DOOR_ACTION_2)
2125     door2 = door_state & DOOR_ACTION_2;
2126
2127   return (door1 | door2);
2128 }
2129
2130 void DrawSpecialEditorDoor()
2131 {
2132   /* draw bigger toolbox window */
2133   BlitBitmap(pix[PIX_DOOR], drawto,
2134              DOOR_GFX_PAGEX7, 0, 108, 56, EX - 4, EY - 12);
2135
2136   redraw_mask |= REDRAW_ALL;
2137 }
2138
2139 void UndrawSpecialEditorDoor()
2140 {
2141   /* draw normal tape recorder window */
2142   BlitBitmap(pix[PIX_BACK], drawto,
2143              562, 344, 108, 56, EX - 4, EY - 12);
2144
2145   redraw_mask |= REDRAW_ALL;
2146 }
2147
2148 #ifndef TARGET_SDL
2149 int ReadPixel(DrawBuffer bitmap, int x, int y)
2150 {
2151   XImage *pixel_image;
2152   unsigned long pixel_value;
2153
2154   pixel_image = XGetImage(display, bitmap->drawable,
2155                           x, y, 1, 1, AllPlanes, ZPixmap);
2156   pixel_value = XGetPixel(pixel_image, 0, 0);
2157
2158   XDestroyImage(pixel_image);
2159
2160   return pixel_value;
2161 }
2162 #endif
2163
2164 /* ---------- new tool button stuff ---------------------------------------- */
2165
2166 /* graphic position values for tool buttons */
2167 #define TOOL_BUTTON_YES_XPOS            2
2168 #define TOOL_BUTTON_YES_YPOS            250
2169 #define TOOL_BUTTON_YES_GFX_YPOS        0
2170 #define TOOL_BUTTON_YES_XSIZE           46
2171 #define TOOL_BUTTON_YES_YSIZE           28
2172 #define TOOL_BUTTON_NO_XPOS             52
2173 #define TOOL_BUTTON_NO_YPOS             TOOL_BUTTON_YES_YPOS
2174 #define TOOL_BUTTON_NO_GFX_YPOS         TOOL_BUTTON_YES_GFX_YPOS
2175 #define TOOL_BUTTON_NO_XSIZE            TOOL_BUTTON_YES_XSIZE
2176 #define TOOL_BUTTON_NO_YSIZE            TOOL_BUTTON_YES_YSIZE
2177 #define TOOL_BUTTON_CONFIRM_XPOS        TOOL_BUTTON_YES_XPOS
2178 #define TOOL_BUTTON_CONFIRM_YPOS        TOOL_BUTTON_YES_YPOS
2179 #define TOOL_BUTTON_CONFIRM_GFX_YPOS    30
2180 #define TOOL_BUTTON_CONFIRM_XSIZE       96
2181 #define TOOL_BUTTON_CONFIRM_YSIZE       TOOL_BUTTON_YES_YSIZE
2182 #define TOOL_BUTTON_PLAYER_XSIZE        30
2183 #define TOOL_BUTTON_PLAYER_YSIZE        30
2184 #define TOOL_BUTTON_PLAYER_GFX_XPOS     5
2185 #define TOOL_BUTTON_PLAYER_GFX_YPOS     185
2186 #define TOOL_BUTTON_PLAYER_XPOS         (5 + TOOL_BUTTON_PLAYER_XSIZE / 2)
2187 #define TOOL_BUTTON_PLAYER_YPOS         (215 - TOOL_BUTTON_PLAYER_YSIZE / 2)
2188 #define TOOL_BUTTON_PLAYER1_XPOS        (TOOL_BUTTON_PLAYER_XPOS \
2189                                          + 0 * TOOL_BUTTON_PLAYER_XSIZE)
2190 #define TOOL_BUTTON_PLAYER2_XPOS        (TOOL_BUTTON_PLAYER_XPOS \
2191                                          + 1 * TOOL_BUTTON_PLAYER_XSIZE)
2192 #define TOOL_BUTTON_PLAYER3_XPOS        (TOOL_BUTTON_PLAYER_XPOS \
2193                                          + 0 * TOOL_BUTTON_PLAYER_XSIZE)
2194 #define TOOL_BUTTON_PLAYER4_XPOS        (TOOL_BUTTON_PLAYER_XPOS \
2195                                          + 1 * TOOL_BUTTON_PLAYER_XSIZE)
2196 #define TOOL_BUTTON_PLAYER1_YPOS        (TOOL_BUTTON_PLAYER_YPOS \
2197                                          + 0 * TOOL_BUTTON_PLAYER_YSIZE)
2198 #define TOOL_BUTTON_PLAYER2_YPOS        (TOOL_BUTTON_PLAYER_YPOS \
2199                                          + 0 * TOOL_BUTTON_PLAYER_YSIZE)
2200 #define TOOL_BUTTON_PLAYER3_YPOS        (TOOL_BUTTON_PLAYER_YPOS \
2201                                          + 1 * TOOL_BUTTON_PLAYER_YSIZE)
2202 #define TOOL_BUTTON_PLAYER4_YPOS        (TOOL_BUTTON_PLAYER_YPOS \
2203                                          + 1 * TOOL_BUTTON_PLAYER_YSIZE)
2204
2205 static struct
2206 {
2207   int xpos, ypos;
2208   int x, y;
2209   int width, height;
2210   int gadget_id;
2211   char *infotext;
2212 } toolbutton_info[NUM_TOOL_BUTTONS] =
2213 {
2214   {
2215     TOOL_BUTTON_YES_XPOS,       TOOL_BUTTON_YES_GFX_YPOS,
2216     TOOL_BUTTON_YES_XPOS,       TOOL_BUTTON_YES_YPOS,
2217     TOOL_BUTTON_YES_XSIZE,      TOOL_BUTTON_YES_YSIZE,
2218     TOOL_CTRL_ID_YES,
2219     "yes"
2220   },
2221   {
2222     TOOL_BUTTON_NO_XPOS,        TOOL_BUTTON_NO_GFX_YPOS,
2223     TOOL_BUTTON_NO_XPOS,        TOOL_BUTTON_NO_YPOS,
2224     TOOL_BUTTON_NO_XSIZE,       TOOL_BUTTON_NO_YSIZE,
2225     TOOL_CTRL_ID_NO,
2226     "no"
2227   },
2228   {
2229     TOOL_BUTTON_CONFIRM_XPOS,   TOOL_BUTTON_CONFIRM_GFX_YPOS,
2230     TOOL_BUTTON_CONFIRM_XPOS,   TOOL_BUTTON_CONFIRM_YPOS,
2231     TOOL_BUTTON_CONFIRM_XSIZE,  TOOL_BUTTON_CONFIRM_YSIZE,
2232     TOOL_CTRL_ID_CONFIRM,
2233     "confirm"
2234   },
2235   {
2236     TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
2237     TOOL_BUTTON_PLAYER1_XPOS,   TOOL_BUTTON_PLAYER1_YPOS,
2238     TOOL_BUTTON_PLAYER_XSIZE,   TOOL_BUTTON_PLAYER_YSIZE,
2239     TOOL_CTRL_ID_PLAYER_1,
2240     "player 1"
2241   },
2242   {
2243     TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
2244     TOOL_BUTTON_PLAYER2_XPOS,   TOOL_BUTTON_PLAYER2_YPOS,
2245     TOOL_BUTTON_PLAYER_XSIZE,   TOOL_BUTTON_PLAYER_YSIZE,
2246     TOOL_CTRL_ID_PLAYER_2,
2247     "player 2"
2248   },
2249   {
2250     TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
2251     TOOL_BUTTON_PLAYER3_XPOS,   TOOL_BUTTON_PLAYER3_YPOS,
2252     TOOL_BUTTON_PLAYER_XSIZE,   TOOL_BUTTON_PLAYER_YSIZE,
2253     TOOL_CTRL_ID_PLAYER_3,
2254     "player 3"
2255   },
2256   {
2257     TOOL_BUTTON_PLAYER_GFX_XPOS,TOOL_BUTTON_PLAYER_GFX_YPOS,
2258     TOOL_BUTTON_PLAYER4_XPOS,   TOOL_BUTTON_PLAYER4_YPOS,
2259     TOOL_BUTTON_PLAYER_XSIZE,   TOOL_BUTTON_PLAYER_YSIZE,
2260     TOOL_CTRL_ID_PLAYER_4,
2261     "player 4"
2262   }
2263 };
2264
2265 #if 0
2266 static void DoNotDisplayInfoText(void *ptr)
2267 {
2268   return;
2269 }
2270 #endif
2271
2272 void CreateToolButtons()
2273 {
2274   int i;
2275
2276   for (i=0; i<NUM_TOOL_BUTTONS; i++)
2277   {
2278     Bitmap gd_bitmap = pix[PIX_DOOR];
2279     Bitmap deco_bitmap = None;
2280     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
2281     struct GadgetInfo *gi;
2282     unsigned long event_mask;
2283     int gd_xoffset, gd_yoffset;
2284     int gd_x1, gd_x2, gd_y;
2285     int id = i;
2286
2287     event_mask = GD_EVENT_RELEASED;
2288
2289     gd_xoffset = toolbutton_info[i].xpos;
2290     gd_yoffset = toolbutton_info[i].ypos;
2291     gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
2292     gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
2293     gd_y = DOOR_GFX_PAGEY1 + gd_yoffset;
2294
2295     if (id >= TOOL_CTRL_ID_PLAYER_1 && id <= TOOL_CTRL_ID_PLAYER_4)
2296     {
2297       getMiniGraphicSource(GFX_SPIELER1 + id - TOOL_CTRL_ID_PLAYER_1,
2298                            &deco_bitmap, &deco_x, &deco_y);
2299       deco_xpos = (toolbutton_info[i].width - MINI_TILEX) / 2;
2300       deco_ypos = (toolbutton_info[i].height - MINI_TILEY) / 2;
2301     }
2302
2303     gi = CreateGadget(GDI_CUSTOM_ID, id,
2304                       GDI_INFO_TEXT, toolbutton_info[i].infotext,
2305                       GDI_X, DX + toolbutton_info[i].x,
2306                       GDI_Y, DY + toolbutton_info[i].y,
2307                       GDI_WIDTH, toolbutton_info[i].width,
2308                       GDI_HEIGHT, toolbutton_info[i].height,
2309                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
2310                       GDI_STATE, GD_BUTTON_UNPRESSED,
2311                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
2312                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
2313                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
2314                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
2315                       GDI_DECORATION_SIZE, MINI_TILEX, MINI_TILEY,
2316                       GDI_DECORATION_SHIFTING, 1, 1,
2317                       GDI_EVENT_MASK, event_mask,
2318
2319 #if 0
2320                       GDI_CALLBACK_INFO, DoNotDisplayInfoText,
2321 #endif
2322
2323                       GDI_CALLBACK_ACTION, HandleToolButtons,
2324                       GDI_END);
2325
2326     if (gi == NULL)
2327       Error(ERR_EXIT, "cannot create gadget");
2328
2329     tool_gadget[id] = gi;
2330   }
2331 }
2332
2333 static void UnmapToolButtons()
2334 {
2335   int i;
2336
2337   for (i=0; i<NUM_TOOL_BUTTONS; i++)
2338     UnmapGadget(tool_gadget[i]);
2339 }
2340
2341 static void HandleToolButtons(struct GadgetInfo *gi)
2342 {
2343   request_gadget_id = gi->custom_id;
2344 }
2345
2346 int el2gfx(int element)
2347 {
2348   switch(element)
2349   {
2350     case EL_LEERRAUM:           return -1;
2351     case EL_ERDREICH:           return GFX_ERDREICH;
2352     case EL_MAUERWERK:          return GFX_MAUERWERK;
2353     case EL_FELSBODEN:          return GFX_FELSBODEN;
2354     case EL_FELSBROCKEN:        return GFX_FELSBROCKEN;
2355     case EL_SCHLUESSEL:         return GFX_SCHLUESSEL;
2356     case EL_EDELSTEIN:          return GFX_EDELSTEIN;
2357     case EL_AUSGANG_ZU:         return GFX_AUSGANG_ZU;
2358     case EL_AUSGANG_ACT:        return GFX_AUSGANG_ACT;
2359     case EL_AUSGANG_AUF:        return GFX_AUSGANG_AUF;
2360     case EL_SPIELFIGUR:         return GFX_SPIELFIGUR;
2361     case EL_SPIELER1:           return GFX_SPIELER1;
2362     case EL_SPIELER2:           return GFX_SPIELER2;
2363     case EL_SPIELER3:           return GFX_SPIELER3;
2364     case EL_SPIELER4:           return GFX_SPIELER4;
2365     case EL_KAEFER:             return GFX_KAEFER;
2366     case EL_KAEFER_RIGHT:       return GFX_KAEFER_RIGHT;
2367     case EL_KAEFER_UP:          return GFX_KAEFER_UP;
2368     case EL_KAEFER_LEFT:        return GFX_KAEFER_LEFT;
2369     case EL_KAEFER_DOWN:        return GFX_KAEFER_DOWN;
2370     case EL_FLIEGER:            return GFX_FLIEGER;
2371     case EL_FLIEGER_RIGHT:      return GFX_FLIEGER_RIGHT;
2372     case EL_FLIEGER_UP:         return GFX_FLIEGER_UP;
2373     case EL_FLIEGER_LEFT:       return GFX_FLIEGER_LEFT;
2374     case EL_FLIEGER_DOWN:       return GFX_FLIEGER_DOWN;
2375     case EL_BUTTERFLY:          return GFX_BUTTERFLY;
2376     case EL_BUTTERFLY_RIGHT:    return GFX_BUTTERFLY_RIGHT;
2377     case EL_BUTTERFLY_UP:       return GFX_BUTTERFLY_UP;
2378     case EL_BUTTERFLY_LEFT:     return GFX_BUTTERFLY_LEFT;
2379     case EL_BUTTERFLY_DOWN:     return GFX_BUTTERFLY_DOWN;
2380     case EL_FIREFLY:            return GFX_FIREFLY;
2381     case EL_FIREFLY_RIGHT:      return GFX_FIREFLY_RIGHT;
2382     case EL_FIREFLY_UP:         return GFX_FIREFLY_UP;
2383     case EL_FIREFLY_LEFT:       return GFX_FIREFLY_LEFT;
2384     case EL_FIREFLY_DOWN:       return GFX_FIREFLY_DOWN;
2385     case EL_MAMPFER:            return GFX_MAMPFER;
2386     case EL_ROBOT:              return GFX_ROBOT;
2387     case EL_BETON:              return GFX_BETON;
2388     case EL_DIAMANT:            return GFX_DIAMANT;
2389     case EL_MORAST_LEER:        return GFX_MORAST_LEER;
2390     case EL_MORAST_VOLL:        return GFX_MORAST_VOLL;
2391     case EL_TROPFEN:            return GFX_TROPFEN;
2392     case EL_BOMBE:              return GFX_BOMBE;
2393     case EL_MAGIC_WALL_OFF:     return GFX_MAGIC_WALL_OFF;
2394     case EL_MAGIC_WALL_EMPTY:   return GFX_MAGIC_WALL_EMPTY;
2395     case EL_MAGIC_WALL_FULL:    return GFX_MAGIC_WALL_FULL;
2396     case EL_MAGIC_WALL_DEAD:    return GFX_MAGIC_WALL_DEAD;
2397     case EL_SALZSAEURE:         return GFX_SALZSAEURE;
2398     case EL_AMOEBE_TOT:         return GFX_AMOEBE_TOT;
2399     case EL_AMOEBE_NASS:        return GFX_AMOEBE_NASS;
2400     case EL_AMOEBE_NORM:        return GFX_AMOEBE_NORM;
2401     case EL_AMOEBE_VOLL:        return GFX_AMOEBE_VOLL;
2402     case EL_AMOEBE_BD:          return GFX_AMOEBE_BD;
2403     case EL_AMOEBA2DIAM:        return GFX_AMOEBA2DIAM;
2404     case EL_KOKOSNUSS:          return GFX_KOKOSNUSS;
2405     case EL_LIFE:               return GFX_LIFE;
2406     case EL_LIFE_ASYNC:         return GFX_LIFE_ASYNC;
2407     case EL_DYNAMITE_ACTIVE:    return GFX_DYNAMIT;
2408     case EL_BADEWANNE:          return GFX_BADEWANNE;
2409     case EL_BADEWANNE1:         return GFX_BADEWANNE1;
2410     case EL_BADEWANNE2:         return GFX_BADEWANNE2;
2411     case EL_BADEWANNE3:         return GFX_BADEWANNE3;
2412     case EL_BADEWANNE4:         return GFX_BADEWANNE4;
2413     case EL_BADEWANNE5:         return GFX_BADEWANNE5;
2414     case EL_ABLENK_AUS:         return GFX_ABLENK_AUS;
2415     case EL_ABLENK_EIN:         return GFX_ABLENK_EIN;
2416     case EL_SCHLUESSEL1:        return GFX_SCHLUESSEL1;
2417     case EL_SCHLUESSEL2:        return GFX_SCHLUESSEL2;
2418     case EL_SCHLUESSEL3:        return GFX_SCHLUESSEL3;
2419     case EL_SCHLUESSEL4:        return GFX_SCHLUESSEL4;
2420     case EL_PFORTE1:            return GFX_PFORTE1;
2421     case EL_PFORTE2:            return GFX_PFORTE2;
2422     case EL_PFORTE3:            return GFX_PFORTE3;
2423     case EL_PFORTE4:            return GFX_PFORTE4;
2424     case EL_PFORTE1X:           return GFX_PFORTE1X;
2425     case EL_PFORTE2X:           return GFX_PFORTE2X;
2426     case EL_PFORTE3X:           return GFX_PFORTE3X;
2427     case EL_PFORTE4X:           return GFX_PFORTE4X;
2428     case EL_DYNAMITE_INACTIVE:  return GFX_DYNAMIT_AUS;
2429     case EL_PACMAN:             return GFX_PACMAN;
2430     case EL_PACMAN_RIGHT:       return GFX_PACMAN_RIGHT;
2431     case EL_PACMAN_UP:          return GFX_PACMAN_UP;
2432     case EL_PACMAN_LEFT:        return GFX_PACMAN_LEFT;
2433     case EL_PACMAN_DOWN:        return GFX_PACMAN_DOWN;
2434     case EL_UNSICHTBAR:         return GFX_UNSICHTBAR;
2435     case EL_ERZ_EDEL:           return GFX_ERZ_EDEL;
2436     case EL_ERZ_DIAM:           return GFX_ERZ_DIAM;
2437     case EL_BIRNE_AUS:          return GFX_BIRNE_AUS;
2438     case EL_BIRNE_EIN:          return GFX_BIRNE_EIN;
2439     case EL_ZEIT_VOLL:          return GFX_ZEIT_VOLL;
2440     case EL_ZEIT_LEER:          return GFX_ZEIT_LEER;
2441     case EL_MAUER_LEBT:         return GFX_MAUER_LEBT;
2442     case EL_MAUER_X:            return GFX_MAUER_X;
2443     case EL_MAUER_Y:            return GFX_MAUER_Y;
2444     case EL_MAUER_XY:           return GFX_MAUER_XY;
2445     case EL_EDELSTEIN_BD:       return GFX_EDELSTEIN_BD;
2446     case EL_EDELSTEIN_GELB:     return GFX_EDELSTEIN_GELB;
2447     case EL_EDELSTEIN_ROT:      return GFX_EDELSTEIN_ROT;
2448     case EL_EDELSTEIN_LILA:     return GFX_EDELSTEIN_LILA;
2449     case EL_ERZ_EDEL_BD:        return GFX_ERZ_EDEL_BD;
2450     case EL_ERZ_EDEL_GELB:      return GFX_ERZ_EDEL_GELB;
2451     case EL_ERZ_EDEL_ROT:       return GFX_ERZ_EDEL_ROT;
2452     case EL_ERZ_EDEL_LILA:      return GFX_ERZ_EDEL_LILA;
2453     case EL_MAMPFER2:           return GFX_MAMPFER2;
2454     case EL_MAGIC_WALL_BD_OFF:  return GFX_MAGIC_WALL_BD_OFF;
2455     case EL_MAGIC_WALL_BD_EMPTY:return GFX_MAGIC_WALL_BD_EMPTY;
2456     case EL_MAGIC_WALL_BD_FULL: return GFX_MAGIC_WALL_BD_FULL;
2457     case EL_MAGIC_WALL_BD_DEAD: return GFX_MAGIC_WALL_BD_DEAD;
2458     case EL_DYNABOMB_ACTIVE_1:  return GFX_DYNABOMB;
2459     case EL_DYNABOMB_ACTIVE_2:  return GFX_DYNABOMB;
2460     case EL_DYNABOMB_ACTIVE_3:  return GFX_DYNABOMB;
2461     case EL_DYNABOMB_ACTIVE_4:  return GFX_DYNABOMB;
2462     case EL_DYNABOMB_NR:        return GFX_DYNABOMB_NR;
2463     case EL_DYNABOMB_SZ:        return GFX_DYNABOMB_SZ;
2464     case EL_DYNABOMB_XL:        return GFX_DYNABOMB_XL;
2465     case EL_SOKOBAN_OBJEKT:     return GFX_SOKOBAN_OBJEKT;
2466     case EL_SOKOBAN_FELD_LEER:  return GFX_SOKOBAN_FELD_LEER;
2467     case EL_SOKOBAN_FELD_VOLL:  return GFX_SOKOBAN_FELD_VOLL;
2468     case EL_MOLE:               return GFX_MOLE;
2469     case EL_PINGUIN:            return GFX_PINGUIN;
2470     case EL_SCHWEIN:            return GFX_SCHWEIN;
2471     case EL_DRACHE:             return GFX_DRACHE;
2472     case EL_SONDE:              return GFX_SONDE;
2473     case EL_PFEIL_LEFT:         return GFX_PFEIL_LEFT;
2474     case EL_PFEIL_RIGHT:        return GFX_PFEIL_RIGHT;
2475     case EL_PFEIL_UP:           return GFX_PFEIL_UP;
2476     case EL_PFEIL_DOWN:         return GFX_PFEIL_DOWN;
2477     case EL_SPEED_PILL:         return GFX_SPEED_PILL;
2478     case EL_SP_TERMINAL_ACTIVE: return GFX_SP_TERMINAL;
2479     case EL_SP_BUG_ACTIVE:      return GFX_SP_BUG_ACTIVE;
2480     case EL_SP_ZONK:            return GFX_SP_ZONK;
2481       /* ^^^^^^^^^^ non-standard position in supaplex graphic set! */
2482     case EL_INVISIBLE_STEEL:    return GFX_INVISIBLE_STEEL;
2483     case EL_BLACK_ORB:          return GFX_BLACK_ORB;
2484     case EL_EM_GATE_1:          return GFX_EM_GATE_1;
2485     case EL_EM_GATE_2:          return GFX_EM_GATE_2;
2486     case EL_EM_GATE_3:          return GFX_EM_GATE_3;
2487     case EL_EM_GATE_4:          return GFX_EM_GATE_4;
2488     case EL_EM_GATE_1X:         return GFX_EM_GATE_1X;
2489     case EL_EM_GATE_2X:         return GFX_EM_GATE_2X;
2490     case EL_EM_GATE_3X:         return GFX_EM_GATE_3X;
2491     case EL_EM_GATE_4X:         return GFX_EM_GATE_4X;
2492     case EL_EM_KEY_1_FILE:      return GFX_EM_KEY_1;
2493     case EL_EM_KEY_2_FILE:      return GFX_EM_KEY_2;
2494     case EL_EM_KEY_3_FILE:      return GFX_EM_KEY_3;
2495     case EL_EM_KEY_4_FILE:      return GFX_EM_KEY_4;
2496     case EL_EM_KEY_1:           return GFX_EM_KEY_1;
2497     case EL_EM_KEY_2:           return GFX_EM_KEY_2;
2498     case EL_EM_KEY_3:           return GFX_EM_KEY_3;
2499     case EL_EM_KEY_4:           return GFX_EM_KEY_4;
2500     case EL_PEARL:              return GFX_PEARL;
2501     case EL_CRYSTAL:            return GFX_CRYSTAL;
2502     case EL_WALL_PEARL:         return GFX_WALL_PEARL;
2503     case EL_WALL_CRYSTAL:       return GFX_WALL_CRYSTAL;
2504     case EL_DOOR_WHITE:         return GFX_DOOR_WHITE;
2505     case EL_DOOR_WHITE_GRAY:    return GFX_DOOR_WHITE_GRAY;
2506     case EL_KEY_WHITE:          return GFX_KEY_WHITE;
2507     case EL_SHIELD_PASSIVE:     return GFX_SHIELD_PASSIVE;
2508     case EL_SHIELD_ACTIVE:      return GFX_SHIELD_ACTIVE;
2509     case EL_EXTRA_TIME:         return GFX_EXTRA_TIME;
2510     case EL_SWITCHGATE_OPEN:    return GFX_SWITCHGATE_OPEN;
2511     case EL_SWITCHGATE_CLOSED:  return GFX_SWITCHGATE_CLOSED;
2512     case EL_SWITCHGATE_SWITCH_1:return GFX_SWITCHGATE_SWITCH_1;
2513     case EL_SWITCHGATE_SWITCH_2:return GFX_SWITCHGATE_SWITCH_2;
2514     case EL_BELT1_LEFT:         return GFX_BELT1_LEFT;
2515     case EL_BELT1_MIDDLE:       return GFX_BELT1_MIDDLE;
2516     case EL_BELT1_RIGHT:        return GFX_BELT1_RIGHT;
2517     case EL_BELT1_SWITCH_LEFT:  return GFX_BELT1_SWITCH_LEFT;
2518     case EL_BELT1_SWITCH_MIDDLE:return GFX_BELT1_SWITCH_MIDDLE;
2519     case EL_BELT1_SWITCH_RIGHT: return GFX_BELT1_SWITCH_RIGHT;
2520     case EL_BELT2_LEFT:         return GFX_BELT2_LEFT;
2521     case EL_BELT2_MIDDLE:       return GFX_BELT2_MIDDLE;
2522     case EL_BELT2_RIGHT:        return GFX_BELT2_RIGHT;
2523     case EL_BELT2_SWITCH_LEFT:  return GFX_BELT2_SWITCH_LEFT;
2524     case EL_BELT2_SWITCH_MIDDLE:return GFX_BELT2_SWITCH_MIDDLE;
2525     case EL_BELT2_SWITCH_RIGHT: return GFX_BELT2_SWITCH_RIGHT;
2526     case EL_BELT3_LEFT:         return GFX_BELT3_LEFT;
2527     case EL_BELT3_MIDDLE:       return GFX_BELT3_MIDDLE;
2528     case EL_BELT3_RIGHT:        return GFX_BELT3_RIGHT;
2529     case EL_BELT3_SWITCH_LEFT:  return GFX_BELT3_SWITCH_LEFT;
2530     case EL_BELT3_SWITCH_MIDDLE:return GFX_BELT3_SWITCH_MIDDLE;
2531     case EL_BELT3_SWITCH_RIGHT: return GFX_BELT3_SWITCH_RIGHT;
2532     case EL_BELT4_LEFT:         return GFX_BELT4_LEFT;
2533     case EL_BELT4_MIDDLE:       return GFX_BELT4_MIDDLE;
2534     case EL_BELT4_RIGHT:        return GFX_BELT4_RIGHT;
2535     case EL_BELT4_SWITCH_LEFT:  return GFX_BELT4_SWITCH_LEFT;
2536     case EL_BELT4_SWITCH_MIDDLE:return GFX_BELT4_SWITCH_MIDDLE;
2537     case EL_BELT4_SWITCH_RIGHT: return GFX_BELT4_SWITCH_RIGHT;
2538     case EL_LANDMINE:           return GFX_LANDMINE;
2539     case EL_ENVELOPE:           return GFX_ENVELOPE;
2540     case EL_LIGHT_SWITCH_OFF:   return GFX_LIGHT_SWITCH_OFF;
2541     case EL_LIGHT_SWITCH_ON:    return GFX_LIGHT_SWITCH_ON;
2542     case EL_SIGN_EXCLAMATION:   return GFX_SIGN_EXCLAMATION;
2543     case EL_SIGN_RADIOACTIVITY: return GFX_SIGN_RADIOACTIVITY;
2544     case EL_SIGN_STOP:          return GFX_SIGN_STOP;
2545     case EL_SIGN_WHEELCHAIR:    return GFX_SIGN_WHEELCHAIR;
2546     case EL_SIGN_PARKING:       return GFX_SIGN_PARKING;
2547     case EL_SIGN_ONEWAY:        return GFX_SIGN_ONEWAY;
2548     case EL_SIGN_HEART:         return GFX_SIGN_HEART;
2549     case EL_SIGN_TRIANGLE:      return GFX_SIGN_TRIANGLE;
2550     case EL_SIGN_ROUND:         return GFX_SIGN_ROUND;
2551     case EL_SIGN_EXIT:          return GFX_SIGN_EXIT;
2552     case EL_SIGN_YINYANG:       return GFX_SIGN_YINYANG;
2553     case EL_SIGN_OTHER:         return GFX_SIGN_OTHER;
2554     case EL_MOLE_LEFT:          return GFX_MOLE_LEFT;
2555     case EL_MOLE_RIGHT:         return GFX_MOLE_RIGHT;
2556     case EL_MOLE_UP:            return GFX_MOLE_UP;
2557     case EL_MOLE_DOWN:          return GFX_MOLE_DOWN;
2558     case EL_STEEL_SLANTED:      return GFX_STEEL_SLANTED;
2559     case EL_SAND_INVISIBLE:     return GFX_SAND_INVISIBLE;
2560     case EL_DX_UNKNOWN_15:      return GFX_DX_UNKNOWN_15;
2561     case EL_DX_UNKNOWN_42:      return GFX_DX_UNKNOWN_42;
2562     case EL_TIMEGATE_OPEN:      return GFX_TIMEGATE_OPEN;
2563     case EL_TIMEGATE_CLOSED:    return GFX_TIMEGATE_CLOSED;
2564     case EL_TIMEGATE_SWITCH_ON: return GFX_TIMEGATE_SWITCH;
2565     case EL_TIMEGATE_SWITCH_OFF:return GFX_TIMEGATE_SWITCH;
2566     case EL_BALLOON:            return GFX_BALLOON;
2567     case EL_BALLOON_SEND_LEFT:  return GFX_BALLOON_SEND_LEFT;
2568     case EL_BALLOON_SEND_RIGHT: return GFX_BALLOON_SEND_RIGHT;
2569     case EL_BALLOON_SEND_UP:    return GFX_BALLOON_SEND_UP;
2570     case EL_BALLOON_SEND_DOWN:  return GFX_BALLOON_SEND_DOWN;
2571     case EL_BALLOON_SEND_ANY:   return GFX_BALLOON_SEND_ANY;
2572     case EL_EMC_STEEL_WALL_1:   return GFX_EMC_STEEL_WALL_1;
2573     case EL_EMC_STEEL_WALL_2:   return GFX_EMC_STEEL_WALL_2;
2574     case EL_EMC_STEEL_WALL_3:   return GFX_EMC_STEEL_WALL_3;
2575     case EL_EMC_STEEL_WALL_4:   return GFX_EMC_STEEL_WALL_4;
2576     case EL_EMC_WALL_1:         return GFX_EMC_WALL_1;
2577     case EL_EMC_WALL_2:         return GFX_EMC_WALL_2;
2578     case EL_EMC_WALL_3:         return GFX_EMC_WALL_3;
2579     case EL_EMC_WALL_4:         return GFX_EMC_WALL_4;
2580     case EL_EMC_WALL_5:         return GFX_EMC_WALL_5;
2581     case EL_EMC_WALL_6:         return GFX_EMC_WALL_6;
2582     case EL_EMC_WALL_7:         return GFX_EMC_WALL_7;
2583     case EL_EMC_WALL_8:         return GFX_EMC_WALL_8;
2584     case EL_TUBE_CROSS:         return GFX_TUBE_CROSS;
2585     case EL_TUBE_VERTICAL:      return GFX_TUBE_VERTICAL;
2586     case EL_TUBE_HORIZONTAL:    return GFX_TUBE_HORIZONTAL;
2587     case EL_TUBE_VERT_LEFT:     return GFX_TUBE_VERT_LEFT;
2588     case EL_TUBE_VERT_RIGHT:    return GFX_TUBE_VERT_RIGHT;
2589     case EL_TUBE_HORIZ_UP:      return GFX_TUBE_HORIZ_UP;
2590     case EL_TUBE_HORIZ_DOWN:    return GFX_TUBE_HORIZ_DOWN;
2591     case EL_TUBE_LEFT_UP:       return GFX_TUBE_LEFT_UP;
2592     case EL_TUBE_LEFT_DOWN:     return GFX_TUBE_LEFT_DOWN;
2593     case EL_TUBE_RIGHT_UP:      return GFX_TUBE_RIGHT_UP;
2594     case EL_TUBE_RIGHT_DOWN:    return GFX_TUBE_RIGHT_DOWN;
2595     case EL_SPRING:             return GFX_SPRING;
2596     case EL_SPRING_MOVING:      return GFX_SPRING;
2597     case EL_TRAP_INACTIVE:      return GFX_TRAP_INACTIVE;
2598     case EL_TRAP_ACTIVE:        return GFX_TRAP_ACTIVE;
2599     case EL_BD_WALL:            return GFX_BD_WALL;
2600     case EL_BD_ROCK:            return GFX_BD_ROCK;
2601     case EL_DX_SUPABOMB:        return GFX_DX_SUPABOMB;
2602     case EL_SP_MURPHY_CLONE:    return GFX_SP_MURPHY_CLONE;
2603
2604     default:
2605     {
2606       if (IS_CHAR(element))
2607         return GFX_CHAR_START + (element - EL_CHAR_START);
2608       else if (element >= EL_SP_START && element <= EL_SP_END)
2609       {
2610         int nr_element = element - EL_SP_START;
2611         int gfx_per_line = 8;
2612         int nr_graphic =
2613           (nr_element / gfx_per_line) * SP_PER_LINE +
2614           (nr_element % gfx_per_line);
2615
2616         return GFX_START_ROCKSSP + nr_graphic;
2617       }
2618       else
2619         return -1;
2620     }
2621   }
2622 }