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fixed handling of androids in EM engine for old tapes
[rocksndiamonds.git] / src / game_em / logic.c
diff --git a/src/game_em/logic.c b/src/game_em/logic.c
index 5d00cbf8b78d7b2a49f642daef0e20c7da836786..3c68bfb9f73ea6250de9abf3ef47b29ec65ad8a1 100644 (file)
--- a/src/game_em/logic.c
+++ b/src/game_em/logic.c
@@ -82,6 +82,21 @@ static const byte is_amoeba[GAME_TILE_MAX] =
   [Xamoeba_8]          = 1
 };
 
+static byte is_android_blank[GAME_TILE_MAX] =
+{
+  [Xblank]             = 1,
+  [Xsplash_e]          = 1,
+  [Xsplash_w]          = 1,
+  [Xfake_acid_1]       = 1,
+  [Xfake_acid_2]       = 1,
+  [Xfake_acid_3]       = 1,
+  [Xfake_acid_4]       = 1,
+  [Xfake_acid_5]       = 1,
+  [Xfake_acid_6]       = 1,
+  [Xfake_acid_7]       = 1,
+  [Xfake_acid_8]       = 1
+};
+
 static const byte is_android_walkable[GAME_TILE_MAX] =
 {
   [Xblank]             = 1,
@@ -1553,14 +1568,14 @@ static void Landroid(int x, int y)
 
   if (lev.android_clone_cnt == 0)
   {
-    if (!is_blank[cave[x-1][y-1]] &&
-       !is_blank[cave[x][y-1]]   &&
-       !is_blank[cave[x+1][y-1]] &&
-       !is_blank[cave[x-1][y]]   &&
-       !is_blank[cave[x+1][y]]   &&
-       !is_blank[cave[x-1][y+1]] &&
-       !is_blank[cave[x][y+1]]   &&
-       !is_blank[cave[x+1][y+1]])
+    if (!is_android_blank[cave[x-1][y-1]] &&
+       !is_android_blank[cave[x][y-1]]   &&
+       !is_android_blank[cave[x+1][y-1]] &&
+       !is_android_blank[cave[x-1][y]]   &&
+       !is_android_blank[cave[x+1][y]]   &&
+       !is_android_blank[cave[x-1][y+1]] &&
+       !is_android_blank[cave[x][y+1]]   &&
+       !is_android_blank[cave[x+1][y+1]])
       goto android_move;
 
     switch (RANDOM(8))
@@ -1664,91 +1679,91 @@ static void Landroid(int x, int y)
       /* randomly find a direction to move */
 
       case 0: /* S,NE,W,NW,SE,E,SW,N */
-       if (is_blank[cave[x][y+1]])   goto android_s;
-       if (is_blank[cave[x+1][y-1]]) goto android_ne;
-       if (is_blank[cave[x-1][y]])   goto android_w;
-       if (is_blank[cave[x-1][y-1]]) goto android_nw;
-       if (is_blank[cave[x+1][y+1]]) goto android_se;
-       if (is_blank[cave[x+1][y]])   goto android_e;
-       if (is_blank[cave[x-1][y+1]]) goto android_sw;
-       if (is_blank[cave[x][y-1]])   goto android_n;
+       if (is_android_blank[cave[x][y+1]])   goto android_s;
+       if (is_android_blank[cave[x+1][y-1]]) goto android_ne;
+       if (is_android_blank[cave[x-1][y]])   goto android_w;
+       if (is_android_blank[cave[x-1][y-1]]) goto android_nw;
+       if (is_android_blank[cave[x+1][y+1]]) goto android_se;
+       if (is_android_blank[cave[x+1][y]])   goto android_e;
+       if (is_android_blank[cave[x-1][y+1]]) goto android_sw;
+       if (is_android_blank[cave[x][y-1]])   goto android_n;
        goto android_move;
 
       case 1: /* NW,SE,N,S,NE,SW,E,W */
-       if (is_blank[cave[x-1][y-1]]) goto android_nw;
-       if (is_blank[cave[x+1][y+1]]) goto android_se;
-       if (is_blank[cave[x][y-1]])   goto android_n;
-       if (is_blank[cave[x][y+1]])   goto android_s;
-       if (is_blank[cave[x+1][y-1]]) goto android_ne;
-       if (is_blank[cave[x-1][y+1]]) goto android_sw;
-       if (is_blank[cave[x+1][y]])   goto android_e;
-       if (is_blank[cave[x-1][y]])   goto android_w;
+       if (is_android_blank[cave[x-1][y-1]]) goto android_nw;
+       if (is_android_blank[cave[x+1][y+1]]) goto android_se;
+       if (is_android_blank[cave[x][y-1]])   goto android_n;
+       if (is_android_blank[cave[x][y+1]])   goto android_s;
+       if (is_android_blank[cave[x+1][y-1]]) goto android_ne;
+       if (is_android_blank[cave[x-1][y+1]]) goto android_sw;
+       if (is_android_blank[cave[x+1][y]])   goto android_e;
+       if (is_android_blank[cave[x-1][y]])   goto android_w;
        goto android_move;
 
       case 2: /* SW,E,S,W,N,NW,SE,NE */
-       if (is_blank[cave[x-1][y+1]]) goto android_sw;
-       if (is_blank[cave[x+1][y]])   goto android_e;
-       if (is_blank[cave[x][y+1]])   goto android_s;
-       if (is_blank[cave[x-1][y]])   goto android_w;
-       if (is_blank[cave[x][y-1]])   goto android_n;
-       if (is_blank[cave[x-1][y-1]]) goto android_nw;
-       if (is_blank[cave[x+1][y+1]]) goto android_se;
-       if (is_blank[cave[x+1][y-1]]) goto android_ne;
+       if (is_android_blank[cave[x-1][y+1]]) goto android_sw;
+       if (is_android_blank[cave[x+1][y]])   goto android_e;
+       if (is_android_blank[cave[x][y+1]])   goto android_s;
+       if (is_android_blank[cave[x-1][y]])   goto android_w;
+       if (is_android_blank[cave[x][y-1]])   goto android_n;
+       if (is_android_blank[cave[x-1][y-1]]) goto android_nw;
+       if (is_android_blank[cave[x+1][y+1]]) goto android_se;
+       if (is_android_blank[cave[x+1][y-1]]) goto android_ne;
        goto android_move;
 
       case 3: /* N,SE,NE,E,W,S,NW,SW */
-       if (is_blank[cave[x][y-1]])   goto android_n;
-       if (is_blank[cave[x+1][y+1]]) goto android_se;
-       if (is_blank[cave[x+1][y-1]]) goto android_ne;
-       if (is_blank[cave[x+1][y]])   goto android_e;
-       if (is_blank[cave[x-1][y]])   goto android_w;
-       if (is_blank[cave[x][y+1]])   goto android_s;
-       if (is_blank[cave[x-1][y-1]]) goto android_nw;
-       if (is_blank[cave[x-1][y+1]]) goto android_sw;
+       if (is_android_blank[cave[x][y-1]])   goto android_n;
+       if (is_android_blank[cave[x+1][y+1]]) goto android_se;
+       if (is_android_blank[cave[x+1][y-1]]) goto android_ne;
+       if (is_android_blank[cave[x+1][y]])   goto android_e;
+       if (is_android_blank[cave[x-1][y]])   goto android_w;
+       if (is_android_blank[cave[x][y+1]])   goto android_s;
+       if (is_android_blank[cave[x-1][y-1]]) goto android_nw;
+       if (is_android_blank[cave[x-1][y+1]]) goto android_sw;
        goto android_move;
 
       case 4: /* SE,NW,E,NE,SW,W,N,S */
-       if (is_blank[cave[x+1][y+1]]) goto android_se;
-       if (is_blank[cave[x-1][y-1]]) goto android_nw;
-       if (is_blank[cave[x+1][y]])   goto android_e;
-       if (is_blank[cave[x+1][y-1]]) goto android_ne;
-       if (is_blank[cave[x-1][y+1]]) goto android_sw;
-       if (is_blank[cave[x-1][y]])   goto android_w;
-       if (is_blank[cave[x][y-1]])   goto android_n;
-       if (is_blank[cave[x][y+1]])   goto android_s;
+       if (is_android_blank[cave[x+1][y+1]]) goto android_se;
+       if (is_android_blank[cave[x-1][y-1]]) goto android_nw;
+       if (is_android_blank[cave[x+1][y]])   goto android_e;
+       if (is_android_blank[cave[x+1][y-1]]) goto android_ne;
+       if (is_android_blank[cave[x-1][y+1]]) goto android_sw;
+       if (is_android_blank[cave[x-1][y]])   goto android_w;
+       if (is_android_blank[cave[x][y-1]])   goto android_n;
+       if (is_android_blank[cave[x][y+1]])   goto android_s;
        goto android_move;
 
       case 5: /* NE,W,SE,SW,S,N,E,NW */
-       if (is_blank[cave[x+1][y-1]]) goto android_ne;
-       if (is_blank[cave[x-1][y]])   goto android_w;
-       if (is_blank[cave[x+1][y+1]]) goto android_se;
-       if (is_blank[cave[x-1][y+1]]) goto android_sw;
-       if (is_blank[cave[x][y+1]])   goto android_s;
-       if (is_blank[cave[x][y-1]])   goto android_n;
-       if (is_blank[cave[x+1][y]])   goto android_e;
-       if (is_blank[cave[x-1][y-1]]) goto android_nw;
+       if (is_android_blank[cave[x+1][y-1]]) goto android_ne;
+       if (is_android_blank[cave[x-1][y]])   goto android_w;
+       if (is_android_blank[cave[x+1][y+1]]) goto android_se;
+       if (is_android_blank[cave[x-1][y+1]]) goto android_sw;
+       if (is_android_blank[cave[x][y+1]])   goto android_s;
+       if (is_android_blank[cave[x][y-1]])   goto android_n;
+       if (is_android_blank[cave[x+1][y]])   goto android_e;
+       if (is_android_blank[cave[x-1][y-1]]) goto android_nw;
        goto android_move;
 
       case 6: /* E,N,SW,S,NW,NE,SE,W */
-       if (is_blank[cave[x+1][y]])   goto android_e;
-       if (is_blank[cave[x][y-1]])   goto android_n;
-       if (is_blank[cave[x-1][y+1]]) goto android_sw;
-       if (is_blank[cave[x][y+1]])   goto android_s;
-       if (is_blank[cave[x-1][y-1]]) goto android_nw;
-       if (is_blank[cave[x+1][y-1]]) goto android_ne;
-       if (is_blank[cave[x+1][y+1]]) goto android_se;
-       if (is_blank[cave[x-1][y]])   goto android_w;
+       if (is_android_blank[cave[x+1][y]])   goto android_e;
+       if (is_android_blank[cave[x][y-1]])   goto android_n;
+       if (is_android_blank[cave[x-1][y+1]]) goto android_sw;
+       if (is_android_blank[cave[x][y+1]])   goto android_s;
+       if (is_android_blank[cave[x-1][y-1]]) goto android_nw;
+       if (is_android_blank[cave[x+1][y-1]]) goto android_ne;
+       if (is_android_blank[cave[x+1][y+1]]) goto android_se;
+       if (is_android_blank[cave[x-1][y]])   goto android_w;
        goto android_move;
 
       case 7: /* W,SW,NW,N,E,SE,NE,S */
-       if (is_blank[cave[x-1][y]])   goto android_w;
-       if (is_blank[cave[x-1][y+1]]) goto android_sw;
-       if (is_blank[cave[x-1][y-1]]) goto android_nw;
-       if (is_blank[cave[x][y-1]])   goto android_n;
-       if (is_blank[cave[x+1][y]])   goto android_e;
-       if (is_blank[cave[x+1][y+1]]) goto android_se;
-       if (is_blank[cave[x+1][y-1]]) goto android_ne;
-       if (is_blank[cave[x][y+1]])   goto android_s;
+       if (is_android_blank[cave[x-1][y]])   goto android_w;
+       if (is_android_blank[cave[x-1][y+1]]) goto android_sw;
+       if (is_android_blank[cave[x-1][y-1]]) goto android_nw;
+       if (is_android_blank[cave[x][y-1]])   goto android_n;
+       if (is_android_blank[cave[x+1][y]])   goto android_e;
+       if (is_android_blank[cave[x+1][y+1]]) goto android_se;
+       if (is_android_blank[cave[x+1][y-1]]) goto android_ne;
+       if (is_android_blank[cave[x][y+1]])   goto android_s;
        goto android_move;
     }
   }
@@ -7452,6 +7467,14 @@ static void logic_globals(void)
       next[x][y] = cave[x][y];
 }
 
+void logic_init(void)
+{
+  int splash_is_blank = !game_em.use_old_android;
+
+  is_android_blank[Xsplash_e] = splash_is_blank;
+  is_android_blank[Xsplash_w] = splash_is_blank;
+}
+
 void logic(void)
 {
   if (frame == 0)
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