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rnd-19981003-1
[rocksndiamonds.git] / src / game.c
diff --git a/src/game.c b/src/game.c
index 86d83660ce7baec0059ee2edc0219758492807b2..67db98a9aefcb34b8842b27143a7dd9a90be0cb7 100644 (file)
--- a/src/game.c
+++ b/src/game.c
@@ -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                *
 *----------------------------------------------------------*
 *  game.c                                                  *
 ***********************************************************/
@@ -990,6 +989,9 @@ void Impact(int x, int y)
   /* Element darunter berührt? */
   if (!lastline)
   {
+    if (Feld[x][y+1] == EL_PLAYER_IS_LEAVING)
+      return;
+
     object_hit = (!IS_FREE(x,y+1) && (!IS_MOVING(x,y+1) ||
                                      MovDir[x][y+1]!=MV_DOWN ||
                                      MovPos[x][y+1]<=TILEY/2));
@@ -2590,23 +2592,37 @@ void MauerWaechst(int x, int y)
     phase = 2-MovDelay[x][y]/delay;
     if (!(MovDelay[x][y]%delay) && IN_SCR_FIELD(SCREENX(x),SCREENY(y)))
       DrawGraphic(SCREENX(x),SCREENY(y),
-                 (Store[x][y]==MV_LEFT ? GFX_MAUER_L1 : GFX_MAUER_R1)+phase);
+                 (MovDir[x][y] == MV_LEFT  ? GFX_MAUER_LEFT  :
+                  MovDir[x][y] == MV_RIGHT ? GFX_MAUER_RIGHT :
+                  MovDir[x][y] == MV_UP    ? GFX_MAUER_UP    :
+                                             GFX_MAUER_DOWN  ) + phase);
 
     if (!MovDelay[x][y])
     {
-      if (Store[x][y]==MV_LEFT)
+      if (MovDir[x][y] == MV_LEFT)
       {
        if (IN_LEV_FIELD(x-1,y) && IS_MAUER(Feld[x-1][y]))
          DrawLevelField(x-1,y);
       }
-      else
+      else if (MovDir[x][y] == MV_RIGHT)
       {
        if (IN_LEV_FIELD(x+1,y) && IS_MAUER(Feld[x+1][y]))
          DrawLevelField(x+1,y);
       }
+      else if (MovDir[x][y] == MV_UP)
+      {
+       if (IN_LEV_FIELD(x,y-1) && IS_MAUER(Feld[x][y-1]))
+         DrawLevelField(x,y-1);
+      }
+      else
+      {
+       if (IN_LEV_FIELD(x,y+1) && IS_MAUER(Feld[x][y+1]))
+         DrawLevelField(x,y+1);
+      }
 
-      Feld[x][y] = EL_MAUER_LEBT;
+      Feld[x][y] = Store[x][y];
       Store[x][y] = 0;
+      MovDir[x][y] = MV_NO_MOVING;
       DrawLevelField(x,y);
     }
   }
@@ -2614,7 +2630,10 @@ void MauerWaechst(int x, int y)
 
 void MauerAbleger(int ax, int ay)
 {
+  int element = Feld[ax][ay];
+  BOOL oben_frei = FALSE, unten_frei = FALSE;
   BOOL links_frei = FALSE, rechts_frei = FALSE;
+  BOOL oben_massiv = FALSE, unten_massiv = FALSE;
   BOOL links_massiv = FALSE, rechts_massiv = FALSE;
 
   if (!MovDelay[ax][ay])       /* neue Mauer / noch nicht gewartet */
@@ -2627,35 +2646,72 @@ void MauerAbleger(int ax, int ay)
       return;
   }
 
+  if (IN_LEV_FIELD(ax,ay-1) && IS_FREE(ax,ay-1))
+    oben_frei = TRUE;
+  if (IN_LEV_FIELD(ax,ay+1) && IS_FREE(ax,ay+1))
+    unten_frei = TRUE;
   if (IN_LEV_FIELD(ax-1,ay) && IS_FREE(ax-1,ay))
     links_frei = TRUE;
   if (IN_LEV_FIELD(ax+1,ay) && IS_FREE(ax+1,ay))
     rechts_frei = TRUE;
 
-  if (links_frei)
+  if (element == EL_MAUER_Y || element == EL_MAUER_XY)
   {
-    Feld[ax-1][ay] = EL_MAUERND;
-    Store[ax-1][ay] = MV_LEFT;
-    if (IN_SCR_FIELD(SCREENX(ax-1),SCREENY(ay)))
-      DrawGraphic(SCREENX(ax-1),SCREENY(ay),GFX_MAUER_L1);
+    if (oben_frei)
+    {
+      Feld[ax][ay-1] = EL_MAUERND;
+      Store[ax][ay-1] = element;
+      MovDir[ax][ay-1] = MV_UP;
+      if (IN_SCR_FIELD(SCREENX(ax),SCREENY(ay-1)))
+       DrawGraphic(SCREENX(ax),SCREENY(ay-1),GFX_MAUER_UP);
+    }
+    if (unten_frei)
+    {
+      Feld[ax][ay+1] = EL_MAUERND;
+      Store[ax][ay+1] = element;
+      MovDir[ax][ay+1] = MV_DOWN;
+      if (IN_SCR_FIELD(SCREENX(ax),SCREENY(ay+1)))
+       DrawGraphic(SCREENX(ax),SCREENY(ay+1),GFX_MAUER_DOWN);
+    }
   }
-  if (rechts_frei)
+
+  if (element == EL_MAUER_X || element == EL_MAUER_XY ||
+      element == EL_MAUER_LEBT)
   {
-    Feld[ax+1][ay] = EL_MAUERND;
-    Store[ax+1][ay] = MV_RIGHT;
-    if (IN_SCR_FIELD(SCREENX(ax+1),SCREENY(ay)))
-      DrawGraphic(SCREENX(ax+1),SCREENY(ay),GFX_MAUER_R1);
+    if (links_frei)
+    {
+      Feld[ax-1][ay] = EL_MAUERND;
+      Store[ax-1][ay] = element;
+      MovDir[ax-1][ay] = MV_LEFT;
+      if (IN_SCR_FIELD(SCREENX(ax-1),SCREENY(ay)))
+       DrawGraphic(SCREENX(ax-1),SCREENY(ay),GFX_MAUER_LEFT);
+    }
+    if (rechts_frei)
+    {
+      Feld[ax+1][ay] = EL_MAUERND;
+      Store[ax+1][ay] = element;
+      MovDir[ax+1][ay] = MV_RIGHT;
+      if (IN_SCR_FIELD(SCREENX(ax+1),SCREENY(ay)))
+       DrawGraphic(SCREENX(ax+1),SCREENY(ay),GFX_MAUER_RIGHT);
+    }
   }
 
-  if (links_frei || rechts_frei)
+  if (element == EL_MAUER_LEBT && (links_frei || rechts_frei))
     DrawLevelField(ax,ay);
 
+  if (!IN_LEV_FIELD(ax,ay-1) || IS_MAUER(Feld[ax][ay-1]))
+    oben_massiv = TRUE;
+  if (!IN_LEV_FIELD(ax,ay+1) || IS_MAUER(Feld[ax][ay+1]))
+    unten_massiv = TRUE;
   if (!IN_LEV_FIELD(ax-1,ay) || IS_MAUER(Feld[ax-1][ay]))
     links_massiv = TRUE;
   if (!IN_LEV_FIELD(ax+1,ay) || IS_MAUER(Feld[ax+1][ay]))
     rechts_massiv = TRUE;
 
-  if (links_massiv && rechts_massiv)
+  if (((oben_massiv && unten_massiv) ||
+       element == EL_MAUER_X || element == EL_MAUER_LEBT) &&
+      ((links_massiv && rechts_massiv) ||
+       element == EL_MAUER_Y))
     Feld[ax][ay] = EL_MAUERWERK;
 }
 
@@ -2912,7 +2968,10 @@ void GameActions(int player_action)
       AusgangstuerBlinken(x,y);
     else if (element==EL_MAUERND)
       MauerWaechst(x,y);
-    else if (element==EL_MAUER_LEBT)
+    else if (element==EL_MAUER_LEBT ||
+            element==EL_MAUER_X ||
+            element==EL_MAUER_Y ||
+            element==EL_MAUER_XY)
       MauerAbleger(x,y);
     else if (element==EL_BURNING)
       CheckForDragon(x,y);
Rocks'n'Diamonds