rnd-19981017-1
[rocksndiamonds.git] / src / tools.c
index efcba4dbc2ba57b619a2291a2ac4477977a558e5..84b651c9895e014d1900bbbecfb9be46a0197fe5 100644 (file)
@@ -1,13 +1,12 @@
 /***********************************************************
 *  Rocks'n'Diamonds -- McDuffin Strikes Back!              *
 *----------------------------------------------------------*
-*  ©1995 Artsoft Development                               *
-*        Holger Schemel                                    *
-*        33659 Bielefeld-Senne                             *
-*        Telefon: (0521) 493245                            *
-*        eMail: aeglos@valinor.owl.de                      *
-*               aeglos@uni-paderborn.de                    *
-*               q99492@pbhrzx.uni-paderborn.de             *
+*  (c) 1995-98 Artsoft Entertainment                       *
+*              Holger Schemel                              *
+*              Oststrasse 11a                              *
+*              33604 Bielefeld                             *
+*              phone: ++49 +521 290471                     *
+*              email: aeglos@valinor.owl.de                *
 *----------------------------------------------------------*
 *  tools.c                                                 *
 ***********************************************************/
 #include "buttons.h"
 #include "joystick.h"
 #include "cartoons.h"
+#include "network.h"
 
 #include <math.h>
 
 #ifdef MSDOS
-extern BOOL wait_for_vsync;
+extern boolean wait_for_vsync;
 #endif
 
 void SetDrawtoField(int mode)
 {
-  if (mode == DRAW_BUFFERED && soft_scrolling_on)
+  if (mode == DRAW_BUFFERED && setup.soft_scrolling_on)
   {
     FX = TILEX;
     FY = TILEY;
@@ -66,13 +66,13 @@ void BackToFront()
   int x,y;
   Drawable buffer = (drawto_field != window ? drawto_field : backbuffer);
 
-  if (direct_draw_on && game_status == PLAYING)
+  if (setup.direct_draw_on && game_status == PLAYING)
     redraw_mask &= ~REDRAW_MAIN;
 
   if (redraw_mask & REDRAW_TILES && redraw_tiles > REDRAWTILES_THRESHOLD)
     redraw_mask |= REDRAW_FIELD;
 
-  if (redraw_mask & REDRAW_FIELD || ScreenMovPos)
+  if (redraw_mask & REDRAW_FIELD || ScreenGfxPos)
     redraw_mask &= ~REDRAW_TILES;
 
   if (!redraw_mask)
@@ -107,10 +107,10 @@ void BackToFront()
     {
       int fx = FX, fy = FY;
 
-      if (soft_scrolling_on)
+      if (setup.soft_scrolling_on)
       {
-       fx += (PlayerMovDir & (MV_LEFT|MV_RIGHT) ? ScreenMovPos : 0);
-       fy += (PlayerMovDir & (MV_UP|MV_DOWN)    ? ScreenMovPos : 0);
+       fx += (ScreenMovDir & (MV_LEFT|MV_RIGHT) ? ScreenGfxPos : 0);
+       fy += (ScreenMovDir & (MV_UP|MV_DOWN)    ? ScreenGfxPos : 0);
       }
 
       XCopyArea(display,buffer,window,gc,
@@ -189,7 +189,7 @@ void FadeToFront()
 /*
   long fading_delay = 300;
 
-  if (fading_on && (redraw_mask & REDRAW_FIELD))
+  if (setup.fading_on && (redraw_mask & REDRAW_FIELD))
   {
 */
 
@@ -257,7 +257,7 @@ void ClearWindow()
   XFillRectangle(display,backbuffer,gc,
                 REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE);
 
-  if (soft_scrolling_on && game_status==PLAYING)
+  if (setup.soft_scrolling_on && game_status==PLAYING)
   {
     XFillRectangle(display,fieldbuffer,gc,
                   0,0, FXSIZE,FYSIZE);
@@ -266,7 +266,7 @@ void ClearWindow()
   else
     SetDrawtoField(DRAW_BACKBUFFER);
 
-  if (direct_draw_on && game_status==PLAYING)
+  if (setup.direct_draw_on && game_status==PLAYING)
   {
     XFillRectangle(display,window,gc,
                   REAL_SX,REAL_SY, FULL_SXSIZE,FULL_SYSIZE);
@@ -330,23 +330,46 @@ void DrawTextExt(Drawable d, GC gc, int x, int y,
   }
 }
 
-void DrawPlayerField()
+void DrawAllPlayers()
 {
-  int x = JX, y = JY;
-  int sx = SCROLLX(x), sy = SCROLLY(y);
+  int i;
 
-  int sxx = 0, syy = 0;
+  for(i=0; i<MAX_PLAYERS; i++)
+    if (stored_player[i].active)
+      DrawPlayer(&stored_player[i]);
+}
+
+void DrawPlayerField(int x, int y)
+{
+  if (!IS_PLAYER(x,y))
+    return;
 
-  int element = Feld[x][y];
+  DrawPlayer(PLAYERINFO(x,y));
+}
+
+void DrawPlayer(struct PlayerInfo *player)
+{
+  int jx = player->jx, jy = player->jy;
+  int last_jx = player->last_jx, last_jy = player->last_jy;
+  int next_jx = jx + (jx - last_jx), next_jy = jy + (jy - last_jy);
+  int sx = SCREENX(jx), sy = SCREENY(jy);
+  int sxx = 0, syy = 0;
+  int element = Feld[jx][jy];
   int graphic, phase;
 
-  if (PlayerGone)
+  /*
+  if (!player->active || player->gone || !IN_SCR_FIELD(sx,sy))
+    return;
+  */
+
+  if (!player->active || player->gone ||
+      !IN_SCR_FIELD(SCREENX(last_jx),SCREENY(last_jy)))
     return;
 
 #if DEBUG
-  if (!IN_LEV_FIELD(x,y) || !IN_SCR_FIELD(sx,sy))
+  if (!IN_LEV_FIELD(jx,jy))
   {
-    printf("DrawPlayerField(): x = %d, y = %d\n",x,y);
+    printf("DrawPlayerField(): x = %d, y = %d\n",jx,jy);
     printf("DrawPlayerField(): sx = %d, sy = %d\n",sx,sy);
     printf("DrawPlayerField(): This should never happen!\n");
     return;
@@ -356,92 +379,91 @@ void DrawPlayerField()
   if (element == EL_EXPLODING)
     return;
 
-  if (direct_draw_on)
-    SetDrawtoField(DRAW_BUFFERED);
-
   /* draw things in the field the player is leaving, if needed */
 
-  if (lastJX != JX || lastJY != JY)
+  if (last_jx != jx || last_jy != jy)
   {
-    if (Store[lastJX][lastJY])
+    if (Store[last_jx][last_jy])
     {
-      DrawLevelElement(lastJX,lastJY, Store[lastJX][lastJY]);
-      DrawLevelElementThruMask(lastJX,lastJY, Feld[lastJX][lastJY]);
+      DrawLevelElement(last_jx,last_jy, Store[last_jx][last_jy]);
+      DrawLevelFieldThruMask(last_jx,last_jy);
     }
-    else if (Feld[lastJX][lastJY] == EL_DYNAMIT)
-      DrawDynamite(lastJX,lastJY);
+    else if (Feld[last_jx][last_jy] == EL_DYNAMIT)
+      DrawDynamite(last_jx,last_jy);
     else
-      DrawLevelField(lastJX,lastJY);
+      DrawLevelField(last_jx,last_jy);
 
-    if (PlayerPushing)
+    if (player->Pushing && IN_SCR_FIELD(SCREENX(next_jx),SCREENY(next_jy)))
     {
-      int nextJX = JX + (JX - lastJX);
-      int nextJY = JY + (JY - lastJY);
-
-      if (PlayerGfxPos)
+      if (player->GfxPos)
       {
-       if (Feld[nextJX][nextJY] == EL_SOKOBAN_FELD_VOLL)
-         DrawLevelElement(nextJX,nextJY, EL_SOKOBAN_FELD_LEER);
+       if (Feld[next_jx][next_jy] == EL_SOKOBAN_FELD_VOLL)
+         DrawLevelElement(next_jx,next_jy, EL_SOKOBAN_FELD_LEER);
        else
-         DrawLevelElement(nextJX,nextJY, EL_LEERRAUM);
+         DrawLevelElement(next_jx,next_jy, EL_LEERRAUM);
       }
       else
-       DrawLevelField(nextJX,nextJY);
+       DrawLevelField(next_jx,next_jy);
     }
   }
 
+  if (!IN_SCR_FIELD(sx,sy))
+    return;
+
+  if (setup.direct_draw_on)
+    SetDrawtoField(DRAW_BUFFERED);
+
   /* draw things behind the player, if needed */
 
-  if (Store[x][y])
-    DrawLevelElement(x,y, Store[x][y]);
+  if (Store[jx][jy])
+    DrawLevelElement(jx,jy, Store[jx][jy]);
   else if (element != EL_DYNAMIT && element != EL_DYNABOMB)
-    DrawLevelField(x,y);
+    DrawLevelField(jx,jy);
 
   /* draw player himself */
 
-  if (PlayerMovDir==MV_LEFT)
-    graphic = (PlayerPushing ? GFX_SPIELER_PUSH_LEFT : GFX_SPIELER_LEFT);
-  else if (PlayerMovDir==MV_RIGHT)
-    graphic = (PlayerPushing ? GFX_SPIELER_PUSH_RIGHT : GFX_SPIELER_RIGHT);
-  else if (PlayerMovDir==MV_UP)
-    graphic = GFX_SPIELER_UP;
+  if (player->MovDir==MV_LEFT)
+    graphic = (player->Pushing ? GFX_SPIELER1_PUSH_LEFT : GFX_SPIELER1_LEFT);
+  else if (player->MovDir==MV_RIGHT)
+    graphic = (player->Pushing ? GFX_SPIELER1_PUSH_RIGHT : GFX_SPIELER1_RIGHT);
+  else if (player->MovDir==MV_UP)
+    graphic = GFX_SPIELER1_UP;
   else /* MV_DOWN || MV_NO_MOVING */
-    graphic = GFX_SPIELER_DOWN;
+    graphic = GFX_SPIELER1_DOWN;
 
-  graphic += PlayerFrame;
+  graphic += player->index_nr * 3*HEROES_PER_LINE;
+  graphic += player->Frame;
 
-  if (PlayerGfxPos)
+  if (player->GfxPos)
   {
-    if (PlayerMovDir == MV_LEFT || PlayerMovDir == MV_RIGHT)
-      sxx = PlayerGfxPos;
+    if (player->MovDir == MV_LEFT || player->MovDir == MV_RIGHT)
+      sxx = player->GfxPos;
     else
-      syy = PlayerGfxPos;
+      syy = player->GfxPos;
   }
 
-  if (!soft_scrolling_on && ScreenMovPos)
+  if (!setup.soft_scrolling_on && ScreenMovPos)
     sxx = syy = 0;
 
   DrawGraphicShiftedThruMask(sx,sy, sxx,syy, graphic, NO_CUTTING);
 
-  if (PlayerPushing && PlayerGfxPos)
+  if (player->Pushing && player->GfxPos)
   {
-    int nextJX = JX + (JX - lastJX);
-    int nextJY = JY + (JY - lastJY);
-    int px = SCROLLX(nextJX), py = SCROLLY(nextJY);
+    int px = SCREENX(next_jx), py = SCREENY(next_jy);
 
-    if (Feld[JX][JY] == EL_SOKOBAN_FELD_LEER ||
-       Feld[nextJX][nextJY] == EL_SOKOBAN_FELD_VOLL)
+    if (Feld[jx][jy] == EL_SOKOBAN_FELD_LEER ||
+       Feld[next_jx][next_jy] == EL_SOKOBAN_FELD_VOLL)
       DrawGraphicShiftedThruMask(px,py,sxx,syy, GFX_SOKOBAN_OBJEKT,NO_CUTTING);
     else
     {
-      int element = Feld[nextJX][nextJY];
+      int element = Feld[next_jx][next_jy];
       int graphic = el2gfx(element);
 
       if (element == EL_FELSBROCKEN && sxx)
       {
-       int phase = (PlayerGfxPos / (TILEX/4));
+       int phase = (player->GfxPos / (TILEX/4));
 
-       if (PlayerMovDir == MV_LEFT)
+       if (player->MovDir == MV_LEFT)
          graphic += phase;
        else
          graphic += (phase+4)%4;
@@ -459,32 +481,34 @@ void DrawPlayerField()
 
     if (element == EL_DYNAMIT)
     {
-      if ((phase = (96-MovDelay[x][y])/12) > 6)
+      if ((phase = (96-MovDelay[jx][jy])/12) > 6)
        phase = 6;
     }
     else
     {
-      if ((phase = ((96-MovDelay[x][y])/6) % 8) > 3)
+      if ((phase = ((96-MovDelay[jx][jy])/6) % 8) > 3)
        phase = 7-phase;
     }
 
     DrawGraphicThruMask(sx,sy, graphic + phase);
   }
 
-  if (direct_draw_on)
+  if ((last_jx != jx || last_jy != jy) && Feld[last_jx][last_jy]==EL_EXPLODING)
   {
-    int dest_x = SX+SCROLLX(x)*TILEX;
-    int dest_y = SY+SCROLLY(y)*TILEY;
-    int x_size = TILEX;
-    int y_size = TILEY;
+    int phase = Frame[last_jx][last_jy];
+    int delay = 2;
 
-    if (!ScreenMovPos)
-    {
-      dest_x = SX + SCROLLX(MIN(JX,lastJX))*TILEX;
-      dest_y = SY + SCROLLY(MIN(JY,lastJY))*TILEY;
-      x_size = TILEX * (1 + ABS(JX - lastJX));
-      y_size = TILEY * (1 + ABS(JY - lastJY));
-    }
+    if (phase > 2)
+      DrawGraphicThruMask(SCREENX(last_jx),SCREENY(last_jy),
+                         GFX_EXPLOSION + ((phase-1)/delay-1));
+  }
+
+  if (setup.direct_draw_on)
+  {
+    int dest_x = SX + SCREENX(MIN(jx,last_jx))*TILEX;
+    int dest_y = SY + SCREENY(MIN(jy,last_jy))*TILEY;
+    int x_size = TILEX * (1 + ABS(jx - last_jx));
+    int y_size = TILEY * (1 + ABS(jy - last_jy));
 
     XCopyArea(display,drawto_field,window,gc,
              dest_x,dest_y, x_size,y_size, dest_x,dest_y);
@@ -518,12 +542,12 @@ void DrawGraphicAnimationExt(int x, int y, int graphic,
 {
   int phase = getGraphicAnimationPhase(frames, delay, mode);
 
-  if (!(FrameCounter % delay) && IN_SCR_FIELD(SCROLLX(x),SCROLLY(y)))
+  if (!(FrameCounter % delay) && IN_SCR_FIELD(SCREENX(x),SCREENY(y)))
   {
     if (mask_mode == USE_MASKING)
-      DrawGraphicThruMask(SCROLLX(x),SCROLLY(y), graphic + phase);
+      DrawGraphicThruMask(SCREENX(x),SCREENY(y), graphic + phase);
     else
-      DrawGraphic(SCROLLX(x),SCROLLY(y), graphic + phase);
+      DrawGraphic(SCREENX(x),SCREENY(y), graphic + phase);
   }
 }
 
@@ -541,7 +565,6 @@ void DrawGraphicAnimationThruMask(int x, int y, int graphic,
 
 void DrawGraphic(int x, int y, int graphic)
 {
-
 #if DEBUG
   if (!IN_SCR_FIELD(x,y))
   {
@@ -588,20 +611,26 @@ void DrawGraphicExt(Drawable d, GC gc, int x, int y, int graphic)
 
 void DrawGraphicThruMask(int x, int y, int graphic)
 {
-  int src_x,src_y, dest_x,dest_y;
-  int tile = graphic;
-  Pixmap src_pixmap;
-  GC drawing_gc;
-
 #if DEBUG
   if (!IN_SCR_FIELD(x,y))
   {
-    printf("DrawGraphicThruMask(): x = %d, y = %d\n",x,y);
+    printf("DrawGraphicThruMask(): x = %d,y = %d, graphic = %d\n",x,y,graphic);
     printf("DrawGraphicThruMask(): This should never happen!\n");
     return;
   }
 #endif
 
+  DrawGraphicThruMaskExt(drawto_field, FX+x*TILEX, FY+y*TILEY, graphic);
+  MarkTileDirty(x,y);
+}
+
+void DrawGraphicThruMaskExt(Drawable d, int dest_x, int dest_y, int graphic)
+{
+  int src_x, src_y;
+  int tile = graphic;
+  Pixmap src_pixmap;
+  GC drawing_gc;
+
   if (graphic >= GFX_START_ROCKSSCREEN && graphic <= GFX_END_ROCKSSCREEN)
   {
     src_pixmap = pix[PIX_BACK];
@@ -620,13 +649,10 @@ void DrawGraphicThruMask(int x, int y, int graphic)
   }
   else
   {
-    DrawGraphic(x,y,graphic);
+    DrawGraphicExt(d, gc, dest_x,dest_y, graphic);
     return;
   }
 
-  dest_x = FX + x*TILEX;
-  dest_y = FY + y*TILEY;
-
   if (tile_clipmask[tile] != None)
   {
     XSetClipMask(display, tile_clip_gc, tile_clipmask[tile]);
@@ -644,8 +670,6 @@ void DrawGraphicThruMask(int x, int y, int graphic)
     XCopyArea(display, src_pixmap, drawto_field, drawing_gc,
              src_x,src_y, TILEX,TILEY, dest_x,dest_y);
   }
-
-  MarkTileDirty(x,y);
 }
 
 void DrawMiniGraphic(int x, int y, int graphic)
@@ -822,7 +846,7 @@ void DrawGraphicShiftedThruMask(int x,int y, int dx,int dy, int graphic,
 void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
                          int cut_mode, int mask_mode)
 {
-  int ux = UNSCROLLX(x), uy = UNSCROLLY(y);
+  int ux = LEVELX(x), uy = LEVELY(y);
   int graphic = el2gfx(element);
   int phase4 = ABS(MovPos[ux][uy])/(TILEX/4);
   int phase  = phase4 / 2;
@@ -889,7 +913,7 @@ void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
   }
   else if (element==EL_MAUER_LEBT)
   {
-    BOOL links_massiv = FALSE, rechts_massiv = FALSE;
+    boolean links_massiv = FALSE, rechts_massiv = FALSE;
 
     if (!IN_LEV_FIELD(ux-1,uy) || IS_MAUER(Feld[ux-1][uy]))
       links_massiv = TRUE;
@@ -915,8 +939,8 @@ void DrawScreenElementExt(int x, int y, int dx, int dy, int element,
 void DrawLevelElementExt(int x, int y, int dx, int dy, int element,
                         int cut_mode, int mask_mode)
 {
-  if (IN_LEV_FIELD(x,y) && IN_SCR_FIELD(SCROLLX(x),SCROLLY(y)))
-    DrawScreenElementExt(SCROLLX(x),SCROLLY(y), dx,dy, element,
+  if (IN_LEV_FIELD(x,y) && IN_SCR_FIELD(SCREENX(x),SCREENY(y)))
+    DrawScreenElementExt(SCREENX(x),SCREENY(y), dx,dy, element,
                         cut_mode, mask_mode);
 }
 
@@ -942,10 +966,15 @@ void DrawLevelElementThruMask(int x, int y, int element)
   DrawLevelElementExt(x,y, 0,0, element, NO_CUTTING, USE_MASKING);
 }
 
+void DrawLevelFieldThruMask(int x, int y)
+{
+  DrawLevelElementExt(x,y, 0,0, Feld[x][y], NO_CUTTING, USE_MASKING);
+}
+
 void ErdreichAnbroeckeln(int x, int y)
 {
   int i, width, height, cx,cy;
-  int ux = UNSCROLLX(x), uy = UNSCROLLY(y);
+  int ux = LEVELX(x), uy = LEVELY(y);
   int element, graphic;
   int snip = 4;
   static int xy[4][2] =
@@ -1055,13 +1084,13 @@ void DrawScreenElement(int x, int y, int element)
 
 void DrawLevelElement(int x, int y, int element)
 {
-  if (IN_LEV_FIELD(x,y) && IN_SCR_FIELD(SCROLLX(x),SCROLLY(y)))
-    DrawScreenElement(SCROLLX(x),SCROLLY(y),element);
+  if (IN_LEV_FIELD(x,y) && IN_SCR_FIELD(SCREENX(x),SCREENY(y)))
+    DrawScreenElement(SCREENX(x),SCREENY(y),element);
 }
 
 void DrawScreenField(int x, int y)
 {
-  int ux = UNSCROLLX(x), uy = UNSCROLLY(y);
+  int ux = LEVELX(x), uy = LEVELY(y);
   int element;
 
   if (!IN_LEV_FIELD(ux,uy))
@@ -1075,7 +1104,7 @@ void DrawScreenField(int x, int y)
   if (IS_MOVING(ux,uy))
   {
     int horiz_move = (MovDir[ux][uy]==MV_LEFT || MovDir[ux][uy]==MV_RIGHT);
-    BOOL cut_mode = NO_CUTTING;
+    boolean cut_mode = NO_CUTTING;
 
     if (Store[ux][uy]==EL_MORAST_LEER ||
        Store[ux][uy]==EL_SIEB_LEER ||
@@ -1083,13 +1112,8 @@ void DrawScreenField(int x, int y)
        Store[ux][uy]==EL_AMOEBE_NASS)
       cut_mode = CUT_ABOVE;
     else if (Store[ux][uy]==EL_MORAST_VOLL ||
-
-#if 0
-       Store[ux][uy]==EL_SALZSAEURE ||
-#endif
-
-       Store[ux][uy]==EL_SIEB_VOLL ||
-       Store[ux][uy]==EL_SIEB2_VOLL)
+            Store[ux][uy]==EL_SIEB_VOLL ||
+            Store[ux][uy]==EL_SIEB2_VOLL)
       cut_mode = CUT_BELOW;
 
     if (cut_mode==CUT_ABOVE)
@@ -1102,22 +1126,19 @@ void DrawScreenField(int x, int y)
     else
       DrawScreenElementShifted(x,y, 0,MovPos[ux][uy], element, cut_mode);
 
-#if 1
     if (Store[ux][uy] == EL_SALZSAEURE)
       DrawLevelElementThruMask(ux,uy+1, EL_SALZSAEURE);
-#endif
-
   }
   else if (IS_BLOCKED(ux,uy))
   {
     int oldx,oldy;
     int sx, sy;
     int horiz_move;
-    BOOL cut_mode = NO_CUTTING;
+    boolean cut_mode = NO_CUTTING;
 
     Blocked2Moving(ux,uy,&oldx,&oldy);
-    sx = SCROLLX(oldx);
-    sy = SCROLLY(oldy);
+    sx = SCREENX(oldx);
+    sy = SCREENY(oldy);
     horiz_move = (MovDir[oldx][oldy]==MV_LEFT || MovDir[oldx][oldy]==MV_RIGHT);
 
     if (Store[oldx][oldy]==EL_MORAST_LEER ||
@@ -1142,23 +1163,23 @@ void DrawScreenField(int x, int y)
 
 void DrawLevelField(int x, int y)
 {
-  if (IN_SCR_FIELD(SCROLLX(x),SCROLLY(y)))
-    DrawScreenField(SCROLLX(x),SCROLLY(y));
+  if (IN_SCR_FIELD(SCREENX(x),SCREENY(y)))
+    DrawScreenField(SCREENX(x),SCREENY(y));
   else if (IS_MOVING(x,y))
   {
     int newx,newy;
 
     Moving2Blocked(x,y,&newx,&newy);
-    if (IN_SCR_FIELD(SCROLLX(newx),SCROLLY(newy)))
-      DrawScreenField(SCROLLX(newx),SCROLLY(newy));
+    if (IN_SCR_FIELD(SCREENX(newx),SCREENY(newy)))
+      DrawScreenField(SCREENX(newx),SCREENY(newy));
   }
   else if (IS_BLOCKED(x,y))
   {
     int oldx,oldy;
 
     Blocked2Moving(x,y,&oldx,&oldy);
-    if (IN_SCR_FIELD(SCROLLX(oldx),SCROLLY(oldy)))
-      DrawScreenField(SCROLLX(oldx),SCROLLY(oldy));
+    if (IN_SCR_FIELD(SCREENX(oldx),SCREENY(oldy)))
+      DrawScreenField(SCREENX(oldx),SCREENY(oldy));
   }
 }
 
@@ -1176,16 +1197,16 @@ void DrawMiniElement(int x, int y, int element)
   DrawMiniGraphic(x,y,graphic);
 }
 
-void DrawMiniElementOrWall(int x, int y, int scroll_x, int scroll_y)
+void DrawMiniElementOrWall(int sx, int sy, int scroll_x, int scroll_y)
 {
-  if (x+scroll_x<-1 || x+scroll_x>lev_fieldx ||
-      y+scroll_y<-1 || y+scroll_y>lev_fieldy)
-    DrawMiniElement(x,y,EL_LEERRAUM);
-  else if (x+scroll_x==-1 || x+scroll_x==lev_fieldx ||
-          y+scroll_y==-1 || y+scroll_y==lev_fieldy)
-    DrawMiniElement(x,y,EL_BETON);
+  int x = sx + scroll_x, y = sy + scroll_y;
+
+  if (x<-1 || x>lev_fieldx || y<-1 || y>lev_fieldy)
+    DrawMiniElement(sx,sy,EL_LEERRAUM);
+  else if (x==-1 || x==lev_fieldx || y==-1 || y==lev_fieldy)
+    DrawMiniElement(sx,sy,EL_BETON);
   else
-    DrawMiniElement(x,y,Feld[x+scroll_x][y+scroll_y]);
+    DrawMiniElement(sx,sy,Feld[x][y]);
 }
 
 void DrawMicroElement(int xpos, int ypos, int element)
@@ -1213,7 +1234,7 @@ void DrawLevel()
     for(y=BY1; y<=BY2; y++)
       DrawScreenField(x,y);
 
-  if (soft_scrolling_on)
+  if (setup.soft_scrolling_on)
     XCopyArea(display,fieldbuffer,backbuffer,gc,
              FX,FY, SXSIZE,SYSIZE,
              SX,SY);
@@ -1270,7 +1291,7 @@ void DrawMicroLevel(int xpos, int ypos)
   redraw_mask |= REDRAW_MICROLEV;
 }
 
-int AYS_in_range(int x, int y)
+int REQ_in_range(int x, int y)
 {
   if (y>DY+249 && y<DY+278)
   {
@@ -1282,11 +1303,17 @@ int AYS_in_range(int x, int y)
   return(0);
 }
 
-BOOL AreYouSure(char *text, unsigned int ays_state)
+boolean Request(char *text, unsigned int req_state)
 {
   int mx,my, ty, result = -1;
   unsigned int old_door_state;
 
+  /* pause network game while waiting for request to answer */
+  if (options.network &&
+      game_status == PLAYING &&
+      req_state & REQUEST_WAIT_FOR)
+    SendToServer_PausePlaying();
+
   old_door_state = GetDoorState();
 
   CloseDoor(DOOR_CLOSE_1);
@@ -1326,21 +1353,27 @@ BOOL AreYouSure(char *text, unsigned int ays_state)
     text+=(tl+(tc==32));
   }
 
-  if (ays_state & AYS_ASK)
-    XCopyArea(display,pix[PIX_DOOR],pix[PIX_DB_DOOR],gc,
-             DOOR_GFX_PAGEX4,OK_BUTTON_GFX_YPOS,
-             DXSIZE,OK_BUTTON_YSIZE,
-             DOOR_GFX_PAGEX1,OK_BUTTON_YPOS);
-  else if (ays_state & AYS_CONFIRM)
-    XCopyArea(display,pix[PIX_DOOR],pix[PIX_DB_DOOR],gc,
-             DOOR_GFX_PAGEX4,CONFIRM_BUTTON_GFX_YPOS,
-             DXSIZE,CONFIRM_BUTTON_YSIZE,
-             DOOR_GFX_PAGEX1,CONFIRM_BUTTON_YPOS);
+  if (req_state & REQ_ASK)
+  {
+    DrawYesNoButton(BUTTON_OK, DB_INIT);
+    DrawYesNoButton(BUTTON_NO, DB_INIT);
+  }
+  else if (req_state & REQ_CONFIRM)
+  {
+    DrawConfirmButton(BUTTON_CONFIRM, DB_INIT);
+  }
+  else if (req_state & REQ_PLAYER)
+  {
+    DrawPlayerButton(BUTTON_PLAYER_1, DB_INIT);
+    DrawPlayerButton(BUTTON_PLAYER_2, DB_INIT);
+    DrawPlayerButton(BUTTON_PLAYER_3, DB_INIT);
+    DrawPlayerButton(BUTTON_PLAYER_4, DB_INIT);
+  }
 
   OpenDoor(DOOR_OPEN_1);
   ClearEventQueue();
 
-  if (!(ays_state & AYS_ASK) && !(ays_state & AYS_CONFIRM))
+  if (!(req_state & REQUEST_WAIT_FOR))
     return(FALSE);
 
   if (game_status != MAINMENU)
@@ -1389,10 +1422,12 @@ BOOL AreYouSure(char *text, unsigned int ays_state)
              button_status = MB_RELEASED;
          }
 
-         if (ays_state & AYS_ASK)
-           choice = CheckChooseButtons(mx,my,button_status);
-         else
+         if (req_state & REQ_ASK)
+           choice = CheckYesNoButtons(mx,my,button_status);
+         else if (req_state & REQ_CONFIRM)
            choice = CheckConfirmButton(mx,my,button_status);
+         else
+           choice = CheckPlayerButtons(mx,my,button_status);
 
          switch(choice)
          {
@@ -1403,7 +1438,19 @@ BOOL AreYouSure(char *text, unsigned int ays_state)
              result = FALSE;
              break;
            case BUTTON_CONFIRM:
-             result = TRUE|FALSE;
+             result = TRUE | FALSE;
+             break;
+           case BUTTON_PLAYER_1:
+             result = 1;
+             break;
+           case BUTTON_PLAYER_2:
+             result = 2;
+             break;
+           case BUTTON_PLAYER_3:
+             result = 3;
+             break;
+           case BUTTON_PLAYER_4:
+             result = 4;
              break;
            default:
              break;
@@ -1421,6 +1468,8 @@ BOOL AreYouSure(char *text, unsigned int ays_state)
              result = 0;
              break;
          }
+         if (req_state & REQ_PLAYER)
+           result = 0;
          break;
        case KeyRelease:
          key_joystick_mapping = 0;
@@ -1450,11 +1499,11 @@ BOOL AreYouSure(char *text, unsigned int ays_state)
   if (game_status != MAINMENU)
     StopAnimation();
 
-  if (!(ays_state & AYS_STAY_OPEN))
+  if (!(req_state & REQ_STAY_OPEN))
   {
     CloseDoor(DOOR_CLOSE_1);
 
-    if (!(ays_state & AYS_STAY_CLOSED) && (old_door_state & DOOR_OPEN_1))
+    if (!(req_state & REQ_STAY_CLOSED) && (old_door_state & DOOR_OPEN_1))
     {
       XCopyArea(display,pix[PIX_DB_DOOR],pix[PIX_DB_DOOR],gc,
                DOOR_GFX_PAGEX2,DOOR_GFX_PAGEY1, DXSIZE,DYSIZE,
@@ -1463,6 +1512,12 @@ BOOL AreYouSure(char *text, unsigned int ays_state)
     }
   }
 
+  /* continue network game after request */
+  if (options.network &&
+      game_status == PLAYING &&
+      req_state & REQUEST_WAIT_FOR)
+    SendToServer_ContinuePlaying();
+
   return(result);
 }
 
@@ -1522,7 +1577,7 @@ unsigned int MoveDoor(unsigned int door_state)
   else if (door2==DOOR_CLOSE_2 && door_state & DOOR_CLOSE_2)
     door_state &= ~DOOR_CLOSE_2;
 
-  if (quick_doors)
+  if (setup.quick_doors)
   {
     stepsize = 20;
     door_delay_value = 0;
@@ -1538,8 +1593,7 @@ unsigned int MoveDoor(unsigned int door_state)
 
     for(x=start; x<=DXSIZE; x+=stepsize)
     {
-      while(!DelayReached(&door_delay, door_delay_value/10))
-       Delay(1);
+      WaitUntilDelayReached(&door_delay, door_delay_value);
 
       if (door_state & DOOR_ACTION_1)
       {
@@ -1733,6 +1787,9 @@ int el2gfx(int element)
     case EL_ZEIT_VOLL:         return(GFX_ZEIT_VOLL);
     case EL_ZEIT_LEER:         return(GFX_ZEIT_LEER);
     case EL_MAUER_LEBT:                return(GFX_MAUER_LEBT);
+    case EL_MAUER_X:           return(GFX_MAUER_X);
+    case EL_MAUER_Y:           return(GFX_MAUER_Y);
+    case EL_MAUER_XY:          return(GFX_MAUER_XY);
     case EL_EDELSTEIN_BD:      return(GFX_EDELSTEIN_BD);
     case EL_EDELSTEIN_GELB:    return(GFX_EDELSTEIN_GELB);
     case EL_EDELSTEIN_ROT:     return(GFX_EDELSTEIN_ROT);