levelbase.cpp

这是一个程序的一般架构方法

// LevelBase.cpp: implementation of the CLevelBase class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "LevelBase.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CLevelBase::CLevelBase()
{
	m_LevelName[0] = 0;
	m_ViewStatus = 0x0000;

}

CLevelBase::~CLevelBase()
{

}

CElementArray * CLevelBase::SearchElement( CRect2D & Searchrect 
										, eElementSearchType SearchType )
{
	BOOL SearchInside = FALSE;
	BOOL SearchVoid = FALSE;
	BOOL SearchClip = FALSE;
	BOOL CanClip = FALSE;
	BOOL ClipInside = FALSE;
	
	CElementArray allArray;
	switch( SearchType)
	{
	case Element_Search_Inside :
		SearchInside = TRUE;
		break;
	case Element_Search_Overlap:
		SearchInside = TRUE;
		SearchClip = TRUE;
		break;
	case Element_Search_Clip:
		SearchInside = TRUE;
		SearchClip = TRUE;
		CanClip = TRUE;
		ClipInside = TRUE;
		break;
	case Element_Search_Void:
		SearchVoid = TRUE;
		break;
	case Element_Search_Void_Overlap:
		SearchVoid = TRUE;
		SearchClip = TRUE;
		break;		
	case Element_Search_Void_Clip:
		SearchVoid = TRUE;
		SearchClip = TRUE;
		CanClip = TRUE;
		break;
	default:
		ASSERT(FALSE);
		break;
	}

	CElementArray * pEleArray = &m_ElementArray;
	CElementArray * pSearchArray = (CElementArray *)MFXGetMemShareBlack(  );
	while ( pEleArray )
	{
		CElementBase * pEleBase = pEleArray->m_pElementBase;
		CRect2D rect = pEleBase->GetElementRect();
		switch(RectConnection( Searchrect , rect ))
		{
		case -1://外
			if (SearchVoid)
			{
				allArray .InsertElement( pEleBase );
			}
			break;
		case 0://交
			if( SearchClip)
			{
				if ( CanClip )
				{
					CElementArray cliped ;
					if ( ClipInside)
					{
						pEleBase->Cut( &cliped, NULL ,rect );
					}
					else
					{
						pEleBase->Cut( NULL, &cliped ,rect );
					}
					allArray.Append( cliped );
				}
				else
				{
					allArray.InsertElement( pEleBase );
				}
			}
			break;
		case 1://内
			if ( SearchInside )
			{
				allArray.InsertElement( pEleBase);
			}
			break;
		default:
			break;
		}
		pEleArray = pEleArray->GetElementNext( );	
	}
	
	
}