自学教程：C++ GetStringParam函数代码示例

//设置目标变量GUID的值double CScript::SetDestGuidVar(const char* cmd, char* retStr){	double dbRet = 0;	CMoveShape* pMoveShape = dynamic_cast<CMoveShape*>(p_DesShape);	if(!pMoveShape)	return dbRet;	char* szValueName= GetStringParam(cmd,0);	if(szValueName)	{		if( strlen(szValueName) >= 2 && szValueName[0]=='@')		{			char* szGuidName = GetStringParam(cmd,1);			if(szGuidName )			{				if(p_SrcShape)				{					const CGUID& guid = GetScriptGuidValue((CMoveShape*)p_SrcShape, szGuidName);					pMoveShape->GetVariableList()->SetGuidValue(szValueName,&guid);				}				M_FREE( szGuidName, sizeof(char)*MAX_VAR_LEN );			}		}		M_FREE( szValueName, sizeof(char)*MAX_VAR_LEN );	}	return dbRet;}

// 修改脚本变量double CScript::UpdateScriptVarValue(const char* CmdStr, char* retStr){	//初始为错误	CScript::SCRIPTRETURN retFlag  = CScript::SR_ERROR;	char *str=GetStringParam(CmdStr, 0);	if (str)	{		char *szValue = GetStringParam(CmdStr, 1);		if(szValue && p_SrcShape)		{			DelPlayerTalkBoxScript(m_guSrcID, SR_FUNC_UPDATEVARVALUE);			//等待函数, 收到回应消息再运行脚本			SetIsHang(true);			SetHangFunc(SR_FUNC_UPDATEVARVALUE);			// 记录要修改的变量名			SetClientUpdateVarName(szValue);			CMessage msg(MSG_S2C_OTHER_UPDATEVARVALUEOPEN);			msg.Add(GetID());			msg.Add(str);			msg.Add(szValue);			msg.SendToPlayer(p_SrcShape->GetExID());					}		M_FREE( szValue, sizeof(char)*MAX_VAR_LEN );			M_FREE( str, sizeof(char)*MAX_VAR_LEN );	}	return 1.0f;}

double CScript::SetAttrStr(const char* CmdStr, char* retStr){	OBJECT_TYPE type;	CGUID id;	if(!GetSrcShape()) return -1.0f;	int param = GetIntParam(CmdStr, 0);	if(param != ERROR_CODE && param != INVILID_VALUE)	{		type = (OBJECT_TYPE)param;		char* pIdName = GetStringParam(CmdStr, 1);		if(!pIdName) return -1.0f;		id = GetScriptGuidValue((CMoveShape*)GetSrcShape(), pIdName);		CMoveShape* shape = NULL;		char* name = GetStringParam(CmdStr, 2);		if(!name)		{			M_FREE( pIdName, sizeof(char)*MAX_VAR_LEN );			return -1.0f;		}		const char* strValue = GetStringParam(CmdStr, 3);		if(!strValue)		{			M_FREE( pIdName, sizeof(char)*MAX_VAR_LEN );			M_FREE( name, sizeof(char)*MAX_VAR_LEN );			return -1.0f;		}		if(NULL_GUID == id) // 默认id=0时，直接调用SrcShape的SetAttr接口		{			shape = (CMoveShape*)GetSrcShape();		}		else		{			shape = GetGame()->FindShape(type, id);		}		if(shape)		{			SetScriptVarValue(shape, name, strValue);		}		M_FREE( pIdName, sizeof(char)*MAX_VAR_LEN );		M_FREE( name, sizeof(char)*MAX_VAR_LEN );		M_FREE( strValue, sizeof(char)*MAX_VAR_LEN );	}	else // 参数是字符串	{		AddErrorLogText(CStringReading::LoadString(IDS_GS_FUNCTION, STR_GS_FUNCTION_SETATTRFIRSTVARISSTRING));	}	return -1.0f;}

double CScript::GetLotteryRe(const char* CmdStr, char* retStr){	CPlayer* player= dynamic_cast<CPlayer*>(p_SrcShape);	DWORD LotteryRe = 0;	char *pGuidName = GetStringParam(CmdStr, 0);	if(!pGuidName) return 0;	CGUID guid;	char* szVarName = GetStringParam(CmdStr, 1);	if(!szVarName)	{		M_FREE( pGuidName, sizeof(char)*MAX_VAR_LEN );		return 0;	}	if (pGuidName[0] == '/0')	{		LotteryRe = player->GetLotteryRe();		int ret = SetScriptVarValue((CMoveShape*)p_SrcShape, szVarName, CGoodsFactory::QueryGoodsName(LotteryRe));		M_FREE( pGuidName, sizeof(char)*MAX_VAR_LEN );		M_FREE( szVarName, sizeof(char)*MAX_VAR_LEN );		return ret;	}	return LotteryRe;}

//界面帮助提示double CScript::InterfaceHint(const char* cmd, char* retStr){	int nRet = 0;	char* pszScriptName=GetStringParam(cmd,0);	if( pszScriptName )	{		long lFutureDelTime = static_cast<long>(GetIntParam(cmd, 1));		if( lFutureDelTime != ERROR_CODE && lFutureDelTime != INVILID_VALUE )		{			char* pszInterfaceName=GetStringParam(cmd,2);			if( pszInterfaceName )			{				long lX = static_cast<long>(GetIntParam(cmd, 3));				long lY = static_cast<long>(GetIntParam(cmd, 4));				long lWidth = static_cast<long>(GetIntParam(cmd, 5));				long lHeight = static_cast<long>(GetIntParam(cmd, 6));				if(lX != ERROR_CODE && lX != INVILID_VALUE &&					lY != ERROR_CODE && lY != INVILID_VALUE &&					lWidth != ERROR_CODE && lWidth != INVILID_VALUE &&					lHeight != ERROR_CODE && lHeight != INVILID_VALUE)				{					CPlayer* pPlayer = dynamic_cast<CPlayer*>(p_SrcShape);					if( pPlayer )					{						//添加提示						nRet = pPlayer->AddInterfaceHint(pszScriptName,lFutureDelTime,pszInterfaceName,lX,lY,lWidth,lHeight);					}				}				M_FREE( pszInterfaceName, sizeof(char)*MAX_VAR_LEN );			}		}		M_FREE( pszScriptName, sizeof(char)*MAX_VAR_LEN );	}	return nRet;}

double CScript::FormatGUID(const char* CmdStr, char* retStr){	char * pszGuid = GetStringParam(CmdStr, 0);	char * pszGuidString = GetStringParam(CmdStr, 1);	if(pszGuid && pszGuidString)	{		CGUID temptGUID(pszGuidString);		SetScriptGuidValue((CMoveShape*)p_SrcShape,pszGuid,temptGUID);	}	M_FREE( pszGuid, sizeof(char)*MAX_VAR_LEN );	M_FREE( pszGuidString, sizeof(char)*MAX_VAR_LEN );	return 1;}

double CScript::SendExpAction(const char* CmdStr, char* retStr/* =NULL */){	double dRet = 0;	DWORD dwActionID = GetIntParam(CmdStr,0);	DWORD dwSrcType = GetIntParam(CmdStr,1);	char*  strSrcGuid = GetStringParam(CmdStr,2); 	CGUID  guidDest;	CGUID  guidSrc;	if (strSrcGuid!=NULL)	{		guidSrc = GetScriptGuidValue((CMoveShape*)p_SrcShape, strSrcGuid);	}	else	{		guidSrc = p_SrcShape->GetExID();	}	DWORD dwDestType = GetIntParam(CmdStr,3);	char*  strDestGuid = GetStringParam(CmdStr,4); 	if (strDestGuid!=NULL)	{		guidDest = GetScriptGuidValue((CMoveShape*)p_SrcShape, strDestGuid);	}	if (dwDestType==ERROR_CODE || dwDestType==INVILID_VALUE)	{		dwDestType = 0;	}	if (guidDest== CGUID::GUID_INVALID)	{		guidDest = NULL_GUID;	}	if(dwActionID!=ERROR_CODE && dwSrcType!=ERROR_CODE && guidSrc!= CGUID::GUID_INVALID && this->m_pRegion != NULL)	{		CMoveShape *pMoveShape = dynamic_cast<CMoveShape*>( m_pRegion->FindChildObject(OBJECT_TYPE(dwSrcType), guidSrc ) );		CMessage msg(MSG_S2C_OTHER_EXPATC);		msg.Add(dwActionID);		msg.Add(dwSrcType);		msg.Add(guidSrc);		msg.Add(dwDestType);		msg.Add(guidDest);		msg.SendToAround(pMoveShape);		dRet = 1.0;	}	M_FREE( strSrcGuid, sizeof(char)*MAX_VAR_LEN );	M_FREE( strDestGuid, sizeof(char)*MAX_VAR_LEN );	return dRet;}

double CScript::AddGoodToShortCutBar(const char* cmd, char* retStr){	int nRet = 0;	char* name=GetStringParam(cmd,0);	if( name )	{		CPlayer* pPlayer = dynamic_cast<CPlayer*>(p_SrcShape);		if(pPlayer)		{			CGoods * pGoods = pPlayer->FindGoodInPack(name);			//如果检测有该物品			if(pGoods)			{				long  nBarNo = static_cast<long>(GetIntParam(cmd, 1));				if( nBarNo != ERROR_CODE && nBarNo != INVILID_VALUE)				{					pPlayer->SetHotKey(nBarNo, pGoods->GetBasePropertiesIndex());					CMessage msg(MSG_S2C_SETHOTKEY);					msg.Add((char)HOTKEY_SET_SUCCEED);					msg.Add((BYTE)nBarNo);					msg.Add(pGoods->GetBasePropertiesIndex());					msg.SendToPlayer(pPlayer->GetExID());						nRet = 1;				}			}		}		M_FREE( name, sizeof(char)*MAX_VAR_LEN );	}	return nRet;}

double CScript::DelCollection(const char* cmd, char* retStr){    if(p_SrcShape == NULL) return 0;    double ret = 0;    char *pGuidName = GetStringParam( cmd, 0 );    if (NULL == pGuidName)    {        return ret;    }    CGUID guid = GetVariableList()->GetGuidValue(pGuidName);    if( guid == NULL_GUID )    {        M_FREE( pGuidName, sizeof(char)*MAX_VAR_LEN );        return ret;    }    CServerRegion* pRegion = reinterpret_cast<CServerRegion*>( p_SrcShape -> GetFather() );    CShape* pShape = NULL;    if( pRegion )        pShape = dynamic_cast<CShape*>( pRegion -> FindChildObject( TYPE_COLLECTION, guid) );    if( pRegion && pShape )    {        pRegion->DelShapeToAround(pShape);        pRegion->DeleteChildObject(pShape);        ret = 1;    }    M_FREE( pGuidName, sizeof(char)*MAX_VAR_LEN );    return 1;}

double CScript::OperaInterface(const char* cmd, char* retStr){	int nRet = 0;	//变化方式	long lOperaMode = static_cast<long>(GetIntParam(cmd, 0));	if( lOperaMode != ERROR_CODE && lOperaMode != INVILID_VALUE )	{		char* InterfaceName=GetStringParam(cmd,1);		if( InterfaceName )		{			CPlayer* pPlayer = dynamic_cast<CPlayer*>(p_SrcShape);			if( pPlayer )			{#ifdef _DEBUG				OutputDebugString("/n================发送关闭界面消息=========================/n");#endif				CMessage msg(MSG_S2C_OTHER_OPERAINTERFACE);				msg.Add(lOperaMode);				msg.Add(InterfaceName);				msg.SendToPlayer(pPlayer->GetExID());				nRet = 1;			}			M_FREE( InterfaceName, sizeof(char)*MAX_VAR_LEN );		}	}	return nRet;}

//为当前对象注册一个定时器double CScript::RegisterTimer(const char* cmd, char* retStr){	int nRet = 0;	long lfuturetime = static_cast<long>(GetIntParam(cmd, 0));	if(lfuturetime != ERROR_CODE && lfuturetime != INVILID_VALUE)	{		long lInterTime = static_cast<long>(GetIntParam(cmd, 1));		if(lInterTime != ERROR_CODE && lInterTime != INVILID_VALUE)		{			char* pszScriptName=GetStringParam(cmd,2);			if( pszScriptName )			{				long lUserData = static_cast<long>(GetIntParam(cmd, 3));				if(lUserData != ERROR_CODE && lUserData != INVILID_VALUE)				{					CMoveShape* pMoveShape = dynamic_cast<CMoveShape*>(p_SrcShape);					if( pMoveShape )					{						//添加提示						nRet = pMoveShape->RegisterScriptTimer(lfuturetime,lInterTime,							pszScriptName,lUserData);					}				}				M_FREE( pszScriptName, sizeof(char)*MAX_VAR_LEN );			}		}	}	return nRet;}

//! 获取一个字符串的子串//! 参数1：要提取的子串的开始位置，从1开始（若输入的位置大于字符串长度，返回失败；若为0，则返回字符串最后一个字节, 若为负数-n则返回除去最后n个字节的字符串）//! 参数2：要提取的子串的结束位置，从1开始（若输入的位置大于字符串长度，转换为最大长度）//! 参数3：提取的目标字符串//! 参数4：返回子串的变量名//! 返回值：1，提取成功，0，提取失败double CScript::GetSubString(const char* CmdStr, char* retStr){    long BeginPos = GetIntParam(CmdStr, 0);    long EndPos = GetIntParam(CmdStr, 1);    char* pSrcStr =GetStringParam(CmdStr, 2);    if (NULL == pSrcStr)        return 0.0f;    DWORD SrcLen = strlen(pSrcStr);    if(0 == BeginPos)    {        BeginPos = SrcLen;        EndPos = SrcLen;    }    else if (0 > BeginPos)    {        EndPos = SrcLen + BeginPos;        BeginPos = 1;    }    else if(EndPos > SrcLen)        EndPos = SrcLen;    if (BeginPos > SrcLen || EndPos < BeginPos)    {        M_FREE( pSrcStr, sizeof(char)*MAX_VAR_LEN );        return 0.0f;    }    char* pDstName =GetStringParam(CmdStr, 3);    if (NULL == pDstName)    {        M_FREE( pSrcStr, sizeof(char)*MAX_VAR_LEN );        return 0.0f;    }    char szRe[MAX_VAR_LEN] = {0};    memcpy(szRe, pSrcStr + (BeginPos - 1), EndPos - BeginPos + 1);    int ret = SetScriptVarValue(dynamic_cast<CMoveShape*>(p_SrcShape), pDstName, szRe);    M_FREE( pSrcStr, sizeof(char)*MAX_VAR_LEN );    M_FREE( pDstName, sizeof(char)*MAX_VAR_LEN );    return ret;}

//call的扩展版本,和子脚本公用脚本变量列表enum CScript::SCRIPTRETURN CScript::callEx(const char* CmdStr, char* retStr){    //初始为错误    CScript::SCRIPTRETURN retFlag  = CScript::SR_ERROR;    char *str=GetStringParam(CmdStr, 0);    if (str)    {#ifdef _RUNSTACKINFO_        char pszStatckInfo[10240]="";        _snprintf(pszStatckInfo,10240,"callEx(FileName:%s) Start",str);        CMessage::AsyWriteFile(GetGame()->GetStatckFileName(),pszStatckInfo);#endif#ifdef _SCRIPT_INFO_        DWORD BeginTime = timeGetTime();        m_RunTime = 0;#endif        CScript* pTempScript = PopFreeScript(str);        InitChildScriptData(pTempScript);        pTempScript->SetVariableList(GetVariableList());        // 加载脚本内容        if( pTempScript->LoadScript(str, (char*)GetGame()->GetScriptFileData(str)) )        {            //记录进入子脚本            EnterChildScript(CST_CALLEX,pTempScript,"","");            retFlag = pTempScript->RunStep();            if(retFlag == CScript::SR_HANG)            {#ifdef _RUNSTACKINFO_                _snprintf(pszStatckInfo,10240,"callEx(FileName:%s) Hang",str);                CMessage::AsyWriteFile(GetGame()->GetStatckFileName(),pszStatckInfo);#endif#ifdef _SCRIPT_INFO_                m_RunTime += timeGetTime() - BeginTime;#endif                M_FREE( str, sizeof(char)*MAX_VAR_LEN );                SetIsHang(true);                SetHangFunc(pTempScript->GetHangFunc());                return retFlag;            }            //只要该脚本不挂起，就记录离开子脚本            LeaveChildScript(pTempScript);        }#ifdef _RUNSTACKINFO_        _snprintf(pszStatckInfo,10240,"callEx(FileName:%s) End",str);        CMessage::AsyWriteFile(GetGame()->GetStatckFileName(),pszStatckInfo);#endif#ifdef _SCRIPT_INFO_        GetGame()->AddScriptInfo(str, timeGetTime() - BeginTime);        m_RunTime = 0;#endif        pTempScript->ResetVariableList();        PushFreeScript(pTempScript);        M_FREE( str, sizeof(char)*MAX_VAR_LEN );    }    return retFlag;}

double CScript::Goto(const char* CmdStr, char* retStr){    char *str=GetStringParam(CmdStr, 0);    if (str)    {        JumpTo( str );        M_FREE( str, sizeof(char)*MAX_VAR_LEN );    }    return 1;}

size_t cmCommandLineInfo::ParseSwitch(char **argv, int arg_index, int argc){            wxString param = argv[arg_index];        // we need this for a switch, at least 2    if(param.Len() > 1)    {        // determine switch type        switch (param.GetChar(1))        {        case 'G':            // when it's G<.....> we split else we take the             // other argc            if(param.Len() > 2)            {                m_GeneratorChoiceString = GetStringParam(param.Mid(2));                return 1;   // one arg is passed            }            else            {                if((arg_index+1) < argc)                {                    m_GeneratorChoiceString = GetStringParam(wxString(argv[arg_index+1]));                    return 2;   // two args are passed                }            }            // no luck            return 0;            case 'Q':            m_ExitAfterLoad = true;            return 1;        // unknown param        default:            break;        }    }    // error, unrecognised or too small arg    return 0;}

double CScript::GetDoor(const char* cmd, char* retStr){    char *strTemp=GetStringParam(cmd,0);    if (strTemp)    {        long id=GetIntParam(cmd,1);        double dRegion=GetIntParam(cmd,2);        if (id!=ERROR_CODE)        {            CServerRegion* pRegion=NULL;            if (dRegion!=ERROR_CODE)            {                pRegion = GameManager::GetInstance()->GetRgnManager()->FindRgnByTemplateID(RGN_NORMAL, dRegion);                if(pRegion == NULL)                    pRegion = GameManager::GetInstance()->GetRgnManager()->FindRgnByTemplateID(RGN_PERSONAL, dRegion);                if(pRegion == NULL)                    pRegion = GameManager::GetInstance()->GetRgnManager()->FindRgnByTemplateID(RGN_PERSONAL_HOUSE, dRegion);                if(pRegion == NULL)                    pRegion = GameManager::GetInstance()->GetRgnManager()->FindRgnByTemplateID(RGN_TEAM, dRegion);            }            else            {                CPlayer *pPlayer=dynamic_cast<CPlayer*>(p_SrcShape);                if(pPlayer)                    pRegion=dynamic_cast<CServerRegion*>(pPlayer->GetFather());            }            if (pRegion)            {                if (strcmp("State",strTemp)==0)                {                    M_FREE( strTemp, sizeof(char)*MAX_VAR_LEN );                    return pRegion->GetDoorState(id);                }                else if (strcmp("Switch",strTemp)==0)                {                    M_FREE( strTemp, sizeof(char)*MAX_VAR_LEN );                    return pRegion->GetDoorDestroySwitch(id);                }                else if (strcmp("Hp",strTemp)==0)                {                    M_FREE( strTemp, sizeof(char)*MAX_VAR_LEN );                    return pRegion->GetDoorHP(id);                }                else if (strcmp("MaxHp",strTemp)==0)                {                    M_FREE( strTemp, sizeof(char)*MAX_VAR_LEN );                    return pRegion->GetDoorMaxHP(id);                }            }        }        M_FREE( strTemp, sizeof(char)*MAX_VAR_LEN );    }    return 0;}

status GetFloatParam(vector<parameters>& v, const string p, float& result, float def){	string tmp = " ";	status St = GetStringParam(v, p, tmp, " ");	if (SUCCESS == St){		result = atof(tmp.c_str());	}	else{		result = def;		}	return St;}

double CScript::CheckGuidIsNull(const char* cmd, char* retStr){    char* szGuid = GetStringParam(cmd, 0);    if(!szGuid) return 0.0f;    const CGUID &tGuid = GetScriptGuidValue((CMoveShape*)GetSrcShape(), szGuid);    if(tGuid == NULL_GUID)    {        M_FREE( szGuid, sizeof(char)*MAX_VAR_LEN );        return 1.0f;    }    M_FREE( szGuid, sizeof(char)*MAX_VAR_LEN );    return 0.0f;}