scenerylist.cpp

一个类似坦克大战的小小游戏

// SceneryList.cpp: implementation of the CSceneryList class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "MapEdit.h"
#include "SceneryList.h"

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

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

CSceneryList::CSceneryList()
{
	m_pFirst = NULL;
	m_pLast = NULL;
}

CSceneryList::~CSceneryList()
{
	DestoryList();
}

// Init List //////////////////////////////////////////////////////////

void CSceneryList::InitList()
{
	DestoryList();
}

// Destroy List ////////////////////////////////////////////////////////

void CSceneryList::DestoryList()
{
	SceneryNode *current = NULL;
	while (NULL != m_pFirst)
	{
		current = m_pFirst;
		m_pFirst = m_pFirst->pNext;
		delete current->pObjScenery;
		delete current;
	}
	m_pLast = NULL;
}

// Is list empty? ///////////////////////////////////////////////////////

BOOL CSceneryList::IsListEmpty()
{
	if (NULL == m_pFirst)
	{
		return TRUE;
	}
	return FALSE;
}

// Add and delete object ////////////////////////////////////////////////

void CSceneryList::AddObject(CGameObject *&inObject)
{
	SceneryNode *newNode = new SceneryNode;

	// Setup data
	newNode->pObjScenery = inObject;
	newNode->nIndex = inObject->m_nIndex;

	if (NULL == m_pFirst)
	{
		// If the list is empty, create a header
		m_pFirst = newNode;
		m_pLast = newNode;
		m_pLast->pNext = NULL;
	}
	else
	{
		m_pLast->pNext = newNode;
		m_pLast = newNode;
		m_pLast->pNext = NULL;
	}
}