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2023-08-07 19:29:24 +08:00
commit 34d6c5d489
4832 changed files with 1389451 additions and 0 deletions
--- a/CryNetwork/StateMachine.h
+++ b/CryNetwork/StateMachine.h
@@ -0,0 +1,145 @@
+//////////////////////////////////////////////////////////////////////
+//
+//	Crytek Network source code
+//	
+//	File: statemachine.h
+//  Description: state machine toolkit
+//
+//	History:
+//	-July 25,2001:Created by Alberto Demichelis
+//
+//////////////////////////////////////////////////////////////////////
+
+
+#ifndef _STATE_MACHINE_H_
+#define _STATE_MACHINE_H_
+#include <stdio.h>
+#define ANY_SIGNAL_NOT_HANDLED	0xFFFFFFFF
+#define ANY_SIGNAL_HANDLED		0x00000000
+
+#define STATUS_BASE	0xFFFF0000
+#define STATUS_IDLE STATUS_BASE
+
+#define SIGNAL_BASE	0x00000000
+#define TIMER_BASE	0x0000FFFF
+
+#ifndef PS2
+#define DEBUG_STRING(sss) ::OutputDebugString(sss);
+#else
+#define DEBUG_STRING(sss) cout << sss;
+#endif
+
+#define BEGIN_STATUS_MAP()	void _ProcessSignal(unsigned int dwIncomingSignal,ULONG_PTR dwParam)	\
+	{		\
+	if(HandleANY(dwIncomingSignal,dwParam)==ANY_SIGNAL_NOT_HANDLED) \
+	switch(m_dwStatus)	\
+	{	
+
+#define STATUS_ENTRY( _signal , _handler )	case _signal :	\
+		_handler(dwIncomingSignal,dwParam);	\
+		break;
+
+#define END_STATUS_MAP()	default : \
+		::OutputDebugString("singal not handled\n"); \
+	break; \
+	};	\
+	} \
+		
+#define BEGIN_SIGNAL_HANDLER(signal)	switch(signal){	\
+
+#define IF_SIGNAL(signal)	case signal:{
+
+#define ENDIF_SIGNAL() 	}	\
+		break;	\
+
+#define END_SIGNAL_HANDLER()	default:	\
+		_Trace("Signal not handled\n");	\
+		break; \
+		};
+
+
+
+#define ANY_SIGNAL_EXCEPT(status){if(m_dwStatus==status){return ANY_SIGNAL_NOT_HANDLED;}}
+
+#define BEGIN_ANY_SIGNAL_HANDLER(signal)	switch(signal){	
+
+#define END_ANY_SIGNAL_HANDLER()	default:	\
+		DEBUG_STRING("ANY Signal not handled\n");	\
+		return ANY_SIGNAL_NOT_HANDLED; \
+		break; \
+		};	\
+	return ANY_SIGNAL_HANDLED; 
+		
+class CStateMachine
+{
+protected:
+	virtual void _ProcessSignal(unsigned int dwIncomingSignal,ULONG_PTR dwParam)=0;
+	void SetTimer(unsigned int dwName,unsigned int dwElapsed)
+	{
+		m_dwTimerName=dwName;
+		m_dwTimerElapsed=dwElapsed;
+		m_dwTimerStart=::GetTickCount();
+	}
+	void ResetTimer()
+	{
+		m_dwTimerStart=0;
+		m_dwTimerElapsed=0;
+		m_dwTimerName=0;
+		
+	}
+	void SetStatus(unsigned int dwStatus)
+	{
+		_TraceStatus(m_dwStatus);
+		_Trace(">>");
+		_TraceStatus(dwStatus);
+		_Trace("\n");
+		m_dwStatus=dwStatus;
+	}
+	virtual unsigned int HandleANY(unsigned int dwIncomingSignal,DWORD_PTR dwParam)
+	{
+		return ANY_SIGNAL_NOT_HANDLED;
+	}
+	virtual void OnSignal(unsigned int dwOutgoingSignal,DWORD_PTR  dwParam)
+	{
+		NET_TRACE("WARNING default OnSignal called\n");
+	}
+	virtual void _Trace(char *s){};
+	virtual void _TraceStatus(unsigned int dwStatus){};
+	
+public:
+	CStateMachine()
+	{
+		m_dwStatus=0;
+		Reset();
+	}
+	virtual void Reset()
+	{
+		SetStatus(STATUS_IDLE);
+		ResetTimer();
+	}
+	BOOL Update(unsigned int dwIncomingSignal=0,DWORD_PTR dwParam=0)
+	{
+		if(m_dwTimerName)
+			if((::GetTickCount()-m_dwTimerStart)>=m_dwTimerElapsed)
+			{
+				unsigned int dwTimerName=m_dwTimerName;
+				ResetTimer();
+				_ProcessSignal(dwTimerName,0);
+			}
+		
+		if(dwIncomingSignal)
+		{
+			_ProcessSignal(dwIncomingSignal,dwParam);	// this pointer might be destroyed after this call
+		}
+		
+		return TRUE;
+	}
+	
+	unsigned int GetCurrentStatus(){return m_dwStatus;}
+	unsigned int m_dwStatus;
+//
+	unsigned int m_dwTimerStart;
+	unsigned int m_dwTimerElapsed;
+	unsigned int m_dwTimerName;
+};
+#endif //_STATE_MACHINE_H_