csurface.cpp

成熟的RPG引擎,Flysky发布. 斜视角引擎.

#include "CSurface.h"
#include "CMemory.h"
CSurface::CSurface()
{
	Autoadd=5;
	sursize=Autoadd; //目前页面的大小,以5为一组
	Surface=new LPDIRECTDRAWSURFACE7[sursize];
}

CSurface::CSurface(int AutoSize)
{
	Autoadd=AutoSize;
	sursize=Autoadd; //目前页面的大小,以5为一组
	Surface=new LPDIRECTDRAWSURFACE7[sursize];
}
//==========================================
//AddSize
//功能:增加页面数组的大小
//参数: i 增加的大小.
//      type 增加的模式,0是增加到的i大小
//                    其他是比原来增加的大小
//==========================================
void CSurface::Addsize(int i,int type)
{
if (type==0)
{
	LPDIRECTDRAWSURFACE7 *Temp;
	Temp=new LPDIRECTDRAWSURFACE7[sursize];
	Qmemcpy(Temp,Surface,sursize); //内存拷贝
	if (Surface!=NULL) delete[]Surface;Surface=NULL; //清除数组
	Surface=new LPDIRECTDRAWSURFACE7[i]; //新建新的数组
	Qmemcpy(Surface,Temp,sursize); //把页面再Copy回来
	sursize=i; //刷新
	if (Temp!=NULL) delete[]Temp;Temp=NULL;//清空临时数组
}
else
{
	LPDIRECTDRAWSURFACE7 *Temp;
	Temp=new LPDIRECTDRAWSURFACE7[sursize]; 
	Qmemcpy(Temp,Surface,sursize); //内存拷贝
	if (Surface!=NULL) delete[]Surface;Surface=NULL; //清除数组
	Surface=new LPDIRECTDRAWSURFACE7[sursize+i]; //新建新的数组
	Qmemcpy(Surface,Temp,sursize); //把页面再Copy回来
	sursize=sursize+i; //刷新
	if (Temp!=NULL) delete[]Temp;Temp=NULL;//清空临时数组
}
}
void CSurface::Reset()
{
	//重新分配内存
		if (Surface!=NULL) delete[]Surface;Surface=NULL; //清除数组
		sursize=Autoadd; //目前页面的大小,以5为一组
		Surface=new LPDIRECTDRAWSURFACE7[sursize];
}
CSurface::~CSurface(){if (Surface!=NULL) delete[]Surface;Surface=NULL;} //清除数组
LPDIRECTDRAWSURFACE7& CSurface::operator [](int snum)
{
	if (snum>=sursize) Addsize(Autoadd,1); //如果满了就增加
	return Surface[snum];
}
LPDIRECTDRAWSURFACE7& CSurface::at(int snum)
{
	if (snum>=sursize) Addsize(Autoadd,1); //如果满了就增加
	return Surface[snum];
}