Add orders files and COrder class to store orders

game/orders.cpp

@@ -0,0 +1,34 @@
+#include "orders.h"
+
+// Convert an order to a string
+std::string GetStringFromOrder( COrder& order )
+{
+	std::string ret;
+	ret += std::to_string(order.unit);
+	ret += ORDER_DELIMITER;
+	ret += order.order;
+
+	return ret;
+}
+
+// Convert a string to an order
+COrder GetOrderFromString( std::string order )
+{
+	COrder ret;
+
+	int pos = order.find(ORDER_DELIMITER);
+	if( pos != std::string::npos )
+	{
+		const std::string order_unit = order.substr(0, pos);
+
+		ret.unit = atoi( order_unit.c_str() );
+
+		// Erase everything up to and including the delimiter
+		order.erase(0, pos + 1);
+
+		// Next single char is the order
+		ret.order = order[0];
+	}
+
+	return ret;
+}