base init

src/game/state.h

@@ -0,0 +1,88 @@
+#ifndef _fsm_state_h
+#define _fsm_state_h
+
+// System Includes
+
+//==================================================================================================
+// CState
+
+// CState Class
+class CState
+{
+	public:
+		// Destructor
+		virtual ~CState()
+		{
+		}
+
+		// State Functions
+		virtual void ExecuteBeginState() = 0;
+		virtual void ExecuteState() = 0;
+		virtual void ExecuteEndState() = 0;
+};
+
+//==================================================================================================
+// CStateTemplate
+
+// CStateTemplate Class
+template <class T>
+class CStateTemplate : public CState
+{
+	public:
+		typedef void (T::*PFNSTATE) (void);
+
+	protected:
+		T *             m_pInstance;            // Instance Pointer
+		PFNSTATE        m_pfnBeginState;        // State Function Pointer
+		PFNSTATE        m_pfnState;             // State Function Pointer
+		PFNSTATE        m_pfnEndState;          // State Function Pointer
+
+	public:
+		// Constructor
+		CStateTemplate() : m_pInstance(0), m_pfnBeginState(0), m_pfnState(0), m_pfnEndState(0)
+		{
+		}
+
+		// Initialize Functions
+		void Set(T *pInstance, PFNSTATE pfnBeginState, PFNSTATE pfnState, PFNSTATE pfnEndState)
+		{
+			// Set Instance
+			assert(pInstance);
+			m_pInstance = pInstance;
+
+			// Set Function Pointers
+			assert(pfnBeginState);
+			m_pfnBeginState = pfnBeginState;
+
+			assert(pfnState);
+			m_pfnState = pfnState;
+
+			assert(pfnEndState);
+			m_pfnEndState = pfnEndState;
+		}
+
+		// State Functions
+		virtual void ExecuteBeginState()
+		{
+			// Begin State
+			assert(m_pInstance && m_pfnBeginState);
+			(m_pInstance->*m_pfnBeginState)();
+		}
+
+		virtual void ExecuteState()
+		{
+			// State
+			assert(m_pInstance && m_pfnState);
+			(m_pInstance->*m_pfnState)();
+		}
+
+		virtual void ExecuteEndState()
+		{
+			// End State
+			assert(m_pInstance && m_pfnEndState);
+			(m_pInstance->*m_pfnEndState)();
+		}
+};
+
+#endif
+