changed order of switch cases in EM engine source file

[rocksndiamonds.git] / src / game_em / convert.c

diff --git a/src/game_em/convert.c b/src/game_em/convert.c
index 65efdcc13f78f88ee89ed9a0851bb08e68620126..17f709853ebef7e9625058eeb1508e59ad963d7c 100644 (file)
--- a/src/game_em/convert.c
+++ b/src/game_em/convert.c
@@ -536,7 +536,7 @@ static unsigned short remap_emerald[256] =
 
   Xblank,              Xsand,          Xsand,          Xsand,
   Xsand_stone,         Xsand_stone,    Xsand_stone,    Xsand,
-  Xstone,              Xslidewall_ew,  Xslidewall_ns,  Xdynamite_1,
+  Xstone,              Xslide_ew,      Xslide_ns,      Xdynamite_1,
   Xdynamite_2,         Xdynamite_3,    Xdynamite_4,    Xacid_s,
 
   Xexit_1,             Xexit_2,        Xexit_3,        Xballoon,
@@ -945,6 +945,20 @@ void prepare_em_level(void)
   lev.right = lev.left + lev.width;
   lev.bottom = lev.top + lev.height;
 
+  /* add linked cave buffer columns for wrap-around movement */
+  for (x = 0; x < lev.left; x++)
+  {
+    lev.cavecol[x] = lev.cavecol[lev.width + x];
+    lev.nextcol[x] = lev.nextcol[lev.width + x];
+    lev.drawcol[x] = lev.drawcol[lev.width + x];
+    lev.boomcol[x] = lev.boomcol[lev.width + x];
+
+    lev.cavecol[lev.right + x] = lev.cavecol[lev.left + x];
+    lev.nextcol[lev.right + x] = lev.nextcol[lev.left + x];
+    lev.drawcol[lev.right + x] = lev.drawcol[lev.left + x];
+    lev.boomcol[lev.right + x] = lev.boomcol[lev.left + x];
+  }
+
   for (x = 0; x < lev.width; x++)
     for (y = 0; y < lev.height; y++)
       lev.cave[lev.left + x][lev.top + y] = native_em_level.cave[x][y];