Implement some more base types, including basic units. This should be much closer to final interface

game/unitv.cpp

@@ -0,0 +1,15 @@
+#include "unitv.h"
+
+// V unit
+class CUnitV
+: public CUnit<'V'>
+{
+public:
+	CUnitV() = default;
+	virtual ~CUnitV() = default;
+
+private:
+
+	// V also has a direction
+	char dir;
+};