X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fgame_em%2Fconvert.c;h=17f709853ebef7e9625058eeb1508e59ad963d7c;hb=2851c280138444b53cf088e4e4f3e7ef8787022c;hp=65efdcc13f78f88ee89ed9a0851bb08e68620126;hpb=a19843471dc3ebab17890f54cb2eb8aa82a7ac8a;p=rocksndiamonds.git

diff --git a/src/game_em/convert.c b/src/game_em/convert.c
index 65efdcc1..17f70985 100644
--- 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];