Fix(CS): Initialize landscape when opening an existing cell without VHGT

apps/opencs/view/render/cell.cpp

@@ -137,29 +137,29 @@ void CSVRender::Cell::updateLand()
     {
         const ESM::Land& esmLand = land.getRecord(mId).get();
 
-        if (esmLand.getLandData(ESM::Land::DATA_VHGT))
+        if (!esmLand.getLandData(ESM::Land::DATA_VHGT))
+            mTerrainStorage->resetHeights();
+
+        if (mTerrain)
         {
-            if (mTerrain)
-            {
-                mTerrain->unloadCell(mCoordinates.getX(), mCoordinates.getY());
-                mTerrain->clearAssociatedCaches();
-            }
-            else
-            {
-                constexpr double expiryDelay = 0;
-                mTerrain = std::make_unique<Terrain::TerrainGrid>(mCellNode, mCellNode, mData.getResourceSystem().get(),
-                    mTerrainStorage, Mask_Terrain, ESM::Cell::sDefaultWorldspaceId, expiryDelay);
-            }
+            mTerrain->unloadCell(mCoordinates.getX(), mCoordinates.getY());
+            mTerrain->clearAssociatedCaches();
+        }
+        else
+        {
+            constexpr double expiryDelay = 0;
+            mTerrain = std::make_unique<Terrain::TerrainGrid>(mCellNode, mCellNode, mData.getResourceSystem().get(),
+                mTerrainStorage, Mask_Terrain, ESM::Cell::sDefaultWorldspaceId, expiryDelay);
+        }
 
-            mTerrain->loadCell(esmLand.mX, esmLand.mY);
+        mTerrain->loadCell(esmLand.mX, esmLand.mY);
 
-            if (!mCellBorder)
-                mCellBorder = std::make_unique<CellBorder>(mCellNode, mCoordinates);
+        if (!mCellBorder)
+            mCellBorder = std::make_unique<CellBorder>(mCellNode, mCoordinates);
 
-            mCellBorder->buildShape(esmLand);
+        mCellBorder->buildShape(esmLand);
 
-            return;
-        }
+        return;
     }
 
     // No land data