Fix object query

VP's calculation for coordinate -> cell was not quite floor(n)

VpSharp/src/Cell.cs

@@ -119,6 +119,21 @@ public readonly struct Cell : IEquatable<Cell>, IFormattable
         return FromVector3d(vector);
     }
 
+    /// <summary>
+    ///     Calculates the cell number for a specified coordinate value.
+    /// </summary>
+    /// <param name="value">The coordinate value.</param>
+    /// <returns>The cell number.</returns>
+    /// <remarks>
+    ///     The way VP calculates cell number isn't a <c>floor(n)</c> as one might have thought, but instead
+    ///     <c>n &lt; 0 ? (int)value - 1 : (int)value</c>. This helper method exists because of this idiosyncrasy of the world
+    ///     server. 
+    /// </remarks>
+    public static int CellFromCoordinate(double value)
+    {
+        return value < 0 ? (int)value - 1 : (int)value;
+    }
+
     /// <summary>
     ///     Converts an instance of <see cref="Vector2" /> to a new instance of <see cref="Cell" />.
     /// </summary>

VpSharp/src/Location.cs

@@ -51,12 +51,7 @@ public readonly struct Location : IEquatable<Location>
     /// </summary>
     public Cell Cell
     {
-        get
+        get => new(Cell.CellFromCoordinate(Position.X), Cell.CellFromCoordinate(Position.Z));
-        {
-            var x = (int)Math.Floor(Position.X);
-            var z = (int)Math.Floor(Position.Z);
-            return new Cell(x, z);
-        }
     }
 
     /// <summary>