Core/Maps: Improvements to terrain swap handling

Port From (https://github.com/TrinityCore/TrinityCore/commit/eba31dea27b7fdc4a49c024898ef3a01bcbc7295)
2020-05-25 20:32:24 -04:00
parent 888d281aa7
commit c695b3ee5f
9 changed files with 119 additions and 88 deletions
@@ -233,8 +233,14 @@ namespace Game.Collision
            if (!File.Exists(tilefile))
            {
                int parentMapId = vm.GetParentMapId(mapID);
-                if (parentMapId != -1)
+                while (parentMapId != -1)
+                {
                    tilefile = vmapPath + GetTileFileName((uint)parentMapId, tileX, tileY);
+                    if (File.Exists(tilefile))
+                        break;
+
+                    parentMapId = vm.GetParentMapId((uint)parentMapId);
+                }
            }

            if (!File.Exists(tilefile))