matrix.cpp

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// Matrix.cpp: implementation of the CMatrix class.

#include "Matrix.h"
#include "Object.h"
#include "Item.h"
#include "Human.h"

CMatrix::CMatrix()
{
	// 初始ID = 1
	m_seq = 1;

}

CMatrix::~CMatrix()
{

}

// 创建一个新物体
CObject *CMatrix::CreateObject(long type)
{
	CObject *ob = NULL;

	// 根据物体类型创建实例
	switch(type)
	{
		case OTYPE_ITEM:
			ob = new CItem;
			break;

		case OTYPE_HUMAN:
			ob = new CHuman;
			break;
	}

	if(ob)
	{
		// 设置ID
		ob->SetUniqueId(m_seq++);

		// 添加到物体列表中
		m_obList.push_back(ob);
	}
	return ob;
}

// 销毁一个物体
void CMatrix::DestroyObject(CObject *ob)
{
	// 从物体列表中清除
	m_obList.remove(ob);

	// 释放内存
	delete ob;
}

// 根据ID查找物体
CObject * CMatrix::FindObject(long uid)
{
	CObject *ob = NULL;
	list<CObject*>::iterator it;
	for(it = m_obList.begin(); it != m_obList.end();it++)
	{
		if((*it)->GetUniqueId() == uid)
		{
			ob = (*it);
			break;
		}
	}
	return ob;
}

// 取得物体的总数量
int CMatrix::GetObjectCount()
{
	return m_obList.size();
}