Move the board code out to ui as it's only for board visualisation

ui/board.h

@@ -0,0 +1,54 @@
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+#include "gametypes.h"
+#include "basetypes.h"
+
+#include <limits>       // std::numeric_limits
+#include <vector>   	// std::vector
+
+typedef std::vector< unitVis_c > vunitVis_c;
+
+// Invalid value for the board square
+constexpr unitVis_c square_invalid = std::numeric_limits<unitVis_c>::max();
+constexpr unitVis_c square_empty = ' ';
+
+// Class to store simple data about a board
+class CBoard
+{
+public:
+
+	const unsigned int cols; 		// Number of columns
+	const unsigned int rows; 		// Number of rows
+	const unsigned int total;		// Total number of pieces
+
+	// constructor
+	CBoard( unsigned int c, unsigned int r );
+
+	// constructor
+	CBoard( unsigned int c, unsigned int r, vunitVis_c&& b );
+
+	// Default destructor
+	~CBoard() = default;
+
+	// clear the board
+	inline void clear() { fill(square_empty); }
+
+	// fill the board
+	inline void fill(unitVis_c v) { std::fill(board.begin(),board.end(),v); };
+
+	// Get a square on the board
+	unitVis_c get( const unsigned int c, const unsigned int r ) const;
+
+	// Get the full board
+	inline const vunitVis_c& get() const { return board; };
+
+	// Get a square on the board
+	unitVis_c set( const unsigned int c, const unsigned int r , const unitVis_c n );
+
+private:
+
+	vunitVis_c board; 	// Board data storage
+}; 
+
+#endif //_BOARD_H_