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📄 base.cpp

📁 C++台球游戏代码
💻 CPP
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#include "Base.h"

bool CBase::m_fEnableLogging=FALSE;

CBase::CBase() {}

CBase::~CBase() {}

D3DXVECTOR3 CBase::GetTriangleNormal(D3DXVECTOR3 *vVertex1,
									 D3DXVECTOR3 *vVertex2,
									 D3DXVECTOR3 *vVertex3)
{
	D3DXVECTOR3 vNormal;
	D3DXVECTOR3 v1;
	D3DXVECTOR3 v2;

	D3DXVec3Subtract(&v1,vVertex2,vVertex1);
	D3DXVec3Subtract(&v2,vVertex3,vVertex1);

	D3DXVec3Cross(&vNormal,&v1,&v2);
	D3DXVec3Normalize(&vNormal,&vNormal);

	return vNormal;
}

void CBase::StartLogging()
{
	FILE* pFile=NULL;
	//Opens an empty file for writing.If the given file exists, its contents are destroyed.
    pFile=fopen("Log.htm","w");
	
	if(pFile!=NULL)
	{
		fprintf(pFile,"<html><head><title>Log File</title></head><body>\n");
		fprintf(pFile,"<font face=\"Arial\" size=\"4\" color=\"#000000\"><b><u>Log File</u></b></font><br>\n");

		fclose(pFile);
		m_fEnableLogging=TRUE;
	}
}

void CBase::StopLogging()
{
	if(m_fEnableLogging)
	{
		FILE *pFile=NULL;

		//Opens for reading and appending
		pFile=fopen("Log.htm","a+");

		if(pFile!=NULL)
		{
			fprintf(pFile,"</body></html>");
			fclose(pFile);
		}
		m_fEnableLogging=FALSE;
	}
}

void CBase::LogError(char *lpszText,...)
{
	if(m_fEnableLogging)
	{
		va_list argList;
		FILE *pFile=NULL;
		
		//Initialize variable argument list
		va_start(argList,lpszText);

		//Open the log file for appending
		pFile=fopen("Log.htm","a+");

		if(pFile!=NULL)
		{
			//Write the error to the log file
			fprintf(pFile,"<font face=\"Arial\" size=\"2\" color=\"#FF0000\"><b>");
			vfprintf(pFile,lpszText,argList);
			fprintf(pFile,"</b></font><br>\n");

			fclose(pFile);
		}
		va_end(argList);
	}
}

void CBase::LogInfo(char *lpszText,...)
{
	if(m_fEnableLogging)
	{
		va_list argList;
		FILE *pFile=NULL;

		//Initialize variable argument list
		va_start(argList,lpszText);

		//Open the log file for appending
		pFile=fopen("Log.htm","a+");

		if(pFile!=NULL)
		{
			//Write the Info to the log file
			fprintf(pFile,"<font face=\"Arial\" size=\"2\" color=\"#000000\">");
			vfprintf(pFile,lpszText,argList);
			fprintf(pFile,"</font><br>\n");

			fclose(pFile);
		}
		va_end(argList);
	}
}

void CBase::LogWarning(char *lpszText, ...)
{
	if(m_fEnableLogging)
	{
		va_list argList;
		FILE *pFile = NULL;

		//Initialize variable argument list
		va_start(argList, lpszText);

		//Open the log file for appending
		pFile = fopen("Log.htm", "a+");

		if(pFile != NULL)
		{
			//Write the warning to the log file
			fprintf(pFile,"<font face=\"Arial\" size=\"2\" color=\"#E7651A\"><b>");
			vfprintf(pFile,lpszText,argList);
			fprintf(pFile,"</b></font><br>\n");

			//Close the file
			fclose(pFile);
		}
		va_end(argList);
	}
}

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