Add PlayerNumber

26_Chomp/csharp/Cookie.cs

@@ -0,0 +1,53 @@
+using System.Text;
+
+namespace Chomp;
+
+internal class Cookie
+{
+    private readonly int _rowCount;
+    private readonly int _columnCount;
+    private readonly char[][] _bits;
+
+    public Cookie(int rowCount, int columnCount)
+    {
+        _rowCount = rowCount;
+        _columnCount = columnCount;
+
+        // The calls to Math.Max here are to duplicate the original behaviour
+        // when negative values are given for the row or column count.
+        _bits = new char[Math.Max(_rowCount, 1)][];
+        for (int row = 0; row < _bits.Length; row++)
+        {
+            _bits[row] = Enumerable.Repeat('*', Math.Max(_columnCount, 1)).ToArray();
+        }
+        _bits[0][0] = 'P';
+    }
+
+    public bool TryChomp(int row, int column)
+    {
+        if (row < 1 || row > _rowCount || column < 1 || column > _columnCount || _bits[row - 1][column - 1] == ' ')
+        {
+            return false;
+        }
+
+        for (int r = row; r <= _rowCount; r++)
+        {
+            for (int c = column; c <= _columnCount; c++)
+            {
+                _bits[r - 1][c - 1] = ' ';
+            }
+        }
+
+        return true;
+    }
+
+    public override string ToString()
+    {
+        var builder = new StringBuilder().AppendLine("       1 2 3 4 5 6 7 8 9");
+        for (int row = 1; row <= _bits.Length; row++)
+        {
+            builder.Append(' ').Append(row).Append("     ").AppendLine(string.Join(' ', _bits[row - 1]));
+        }
+        return builder.ToString();
+    }
+}