initenviroment.h

这是一款游戏中的粒子系统

#pragma once
#include "d3dx9.h"
#include <d3d9.h>
class CInitEnviroment
{
public:
	LPDIRECT3D9 p_D3d9;                        //D3D设备
	LPDIRECT3DDEVICE9 p_D3dDevice;             //D3D设备环境
	D3DDISPLAYMODE m_D3dDisplayMode;           //D3D的显示模式
	D3DPRESENT_PARAMETERS m_D3dpp;

	HWND hWnd;                                 //创建窗口
	int height;                                 
	int width;
    bool windowed;
	bool successful;                           //创建环境是否成功的标志

	CInitEnviroment(HWND hWnd,int backBufWidth,int backBufHeight,bool windowed);
	CInitEnviroment(void);
	~CInitEnviroment(void);
	
	bool CreateD3d9(void);
	bool GetDisplayMode(LPDIRECT3D9 p_d3d9);
	bool CreatePP(HWND hwnd,D3DDISPLAYMODE mode,int backBufWidth,int backBufHeight);
	bool CreateDev(HWND hwnd, LPDIRECT3D9 d3d9, D3DPRESENT_PARAMETERS pp);
	bool ReleaseD3D(void);
};