Fix edge case where ground raising tools did not consider Morphable when checking for incorrect cell heights

Author: Rampastring

src/TSMapEditor/Mutations/Classes/HeightMutations/AlterElevationMutationBase.cs

@@ -127,6 +127,35 @@ protected void ProcessCells()
 
         protected abstract void ApplyRamps();
 
+        protected void CellHeightFix_DifferentHeightDiffsOnStraightLine(Point2D cellCoords, Point2D offset1, Point2D offset2)
+        {
+            var cell = Map.GetTile(cellCoords);
+            if (cell == null)
+                return;
+
+            if (!IsCellMorphable(cell))
+                return;
+
+            int totalLevelDifference = 0;
+
+            Point2D otherCellCoords = cellCoords + offset1;
+            var otherCell = Map.GetTile(otherCellCoords);
+            if (otherCell != null && IsCellMorphable(otherCell))
+                totalLevelDifference += otherCell.Level - cell.Level;
+
+            otherCellCoords = cellCoords + offset2;
+            otherCell = Map.GetTile(otherCellCoords);
+            if (otherCell != null && IsCellMorphable(otherCell))
+                totalLevelDifference += otherCell.Level - cell.Level;
+
+            if (totalLevelDifference >= 3)
+            {
+                AddCellToUndoData(cell.CoordsToPoint());
+                cell.ChangeTileIndex(0, 0);
+                cell.Level++;
+            }
+        }
+
         private void RefreshLighting()
         {
             for (int i = 0; i < totalProcessedCells.Count; i++)

src/TSMapEditor/Mutations/Classes/HeightMutations/FlattenGroundMutation.cs

@@ -291,35 +291,6 @@ private void CellHeightFix_CheckStraightDiagonalLine(Point2D cellCoords, List<Po
             }
         }
 
-        private void CellHeightFix_DifferentHeightDiffsOnStraightLine(Point2D cellCoords, Point2D offset1, Point2D offset2)
-        {
-            var cell = Map.GetTile(cellCoords);
-            if (cell == null)
-                return;
-
-            if (!IsCellMorphable(cell))
-                return;
-
-            int totalLevelDifference = 0;
-
-            Point2D otherCellCoords = cellCoords + offset1;
-            var otherCell = Map.GetTile(otherCellCoords);
-            if (otherCell != null && IsCellMorphable(otherCell))
-                totalLevelDifference += otherCell.Level - cell.Level;
-
-            otherCellCoords = cellCoords + offset2;
-            otherCell = Map.GetTile(otherCellCoords);
-            if (otherCell != null && IsCellMorphable(otherCell))
-                totalLevelDifference += otherCell.Level - cell.Level;
-
-            if (totalLevelDifference >= 3)
-            {
-                AddCellToUndoData(cell.CoordsToPoint());
-                cell.ChangeTileIndex(0, 0);
-                cell.Level++;
-            }
-        }
-
         /// <summary>
         /// Applies miscellaneous fixes to height data of processed cells.
         /// </summary>

src/TSMapEditor/Mutations/Classes/HeightMutations/RaiseGroundMutationBase.cs

@@ -222,35 +222,6 @@ private void CellHeightFix_CheckStraightDiagonalLine(Point2D cellCoords, List<Po
             }
         }
 
-        private void CellHeightFix_DifferentHeightDiffsOnStraightLine(Point2D cellCoords, Point2D offset1, Point2D offset2)
-        {
-            var cell = Map.GetTile(cellCoords);
-            if (cell == null)
-                return;
-
-            if (!IsCellMorphable(cell))
-                return;
-
-            int totalLevelDifference = 0;
-
-            Point2D otherCellCoords = cellCoords + offset1;
-            var otherCell = Map.GetTile(otherCellCoords);
-            if (otherCell != null)
-                totalLevelDifference += otherCell.Level - cell.Level;
-
-            otherCellCoords = cellCoords + offset2;
-            otherCell = Map.GetTile(otherCellCoords);
-            if (otherCell != null)
-                totalLevelDifference += otherCell.Level - cell.Level;
-
-            if (totalLevelDifference >= 3)
-            {
-                AddCellToUndoData(cell.CoordsToPoint());
-                cell.ChangeTileIndex(0, 0);
-                cell.Level++;
-            }
-        }
-
         protected override void ApplyRamps()
         {
             foreach (var cellCoords in totalProcessedCells)