ajout du boardlayout et de la commande getmatch

Src/Giants.Infrastructure/Src/HexagonalGridImpl.cs

@@ -1,16 +1,41 @@
 
 namespace Giants.Infrastructure;
 
+using Giants.Core;
 using Giants.Core.Interfaces;
 
 using HexagonalLib;
+using HexagonalLib.Coordinates;
 
 public class HexagonalGridImpl : IHexagonalGrid
 {
-    private readonly HexagonalGrid _grid;
+    private HexagonalGrid _grid;
 
-    public HexagonalGridImpl()
+    /// <inheritdoc/>
+    public void Init(IHexagonalGrid.HexStyle style = IHexagonalGrid.HexStyle.PointyOdd)
     {
-        _grid = new HexagonalGrid(HexagonalGridType.PointyEven, 1.0f);
+        _grid = new HexagonalGrid(ConvertGridType(style), 1.0f);
+    }
+
+    public ICollection<AxialCoords> GetNeighbours(AxialCoords coords)
+    {
+        var result = new List<AxialCoords>();
+        foreach (var hex in _grid.GetNeighbors(new Axial(coords.Q, coords.R)))
+        {
+            result.Add(new AxialCoords(hex.Q, hex.R));
+        }
+        return result;
+    }
+
+    private HexagonalGridType ConvertGridType(IHexagonalGrid.HexStyle style)
+    {
+        return style switch
+        {
+            IHexagonalGrid.HexStyle.PointyEven => HexagonalGridType.PointyEven,
+            IHexagonalGrid.HexStyle.FlatEven => HexagonalGridType.FlatEven,
+            IHexagonalGrid.HexStyle.PointyOdd => HexagonalGridType.PointyOdd,
+            IHexagonalGrid.HexStyle.FlatOdd => HexagonalGridType.FlatOdd,
+            _ => throw new ArgumentOutOfRangeException(nameof(style), $"Unexpected grid style : {style}"),
+        };
     }
 }