Nebula2探秘11-Simple Window

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Nebula2探秘11-Simple Window

happykevins文

前面的10节主要讲的是Nebula2内核层模块的应用，所以一直在黑黑Dos控制台下工作，可能大家已经非常想念Windows窗口了:) 从本章起，我将开始介绍Nebula2的应用层模块，并以一个最简单的Windows窗口程序开始。虽然简单，但是我们可以从中了解到Nebula2启动一个Windows窗口所需要的依赖，并且也简单的勾画了一个Nebula2的游戏循环。

代码如下：

/* ************************************************************************** */
/*     Nebula2 - Tutorial 11                                                     */
/*   Create SimpleWindow Using nD3D9Server                                     */
/*   author: happykevins                                                         */
/* ************************************************************************** */

/// ----------------------------------------------------------------------------
/// +必要头文件

// nebula2 includes
#include " kernel/nkernelserver.h "
#include " kernel/nfileserver2.h "
#include " gfx2/nd3d9server.h "

// Tutorial工具库：一些通用的宏定义
#include " ../NebulaUtils/nutildefs.h "

/// -必要头文件
/// ----------------------------------------------------------------------------

/// ----------------------------------------------------------------------------
/// +链接库
#pragma comment(lib, "wsock32.lib")
#pragma comment(lib, "d_nkernel.lib")
#pragma comment(lib, "d_nnebula.lib")

#pragma comment(lib, "dxguid.lib")
#pragma comment(lib, "dxerr9.lib")
#pragma comment(lib, "d3d9.lib")
#pragma comment(lib, "d3dx9d.lib")

#pragma comment(lib, "d_ndirect3d9.lib")
/// -链接库
/// ----------------------------------------------------------------------------

/// ----------------------------------------------------------------------------
/// +声明使用的Nebula2 Package&Module
nNebulaUseModule(nresource);
nNebulaUseModule(nresourceserver);
nNebulaUseModule(nfont2);
nNebulaUseModule(nmesh2);
nNebulaUseModule(nmesharray);
nNebulaUseModule(nshader2);
nNebulaUseModule(ntexture2);
nNebulaUseModule(ngfxserver2);
nNebulaUsePackage(ndirect3d9);
/// -声明使用的Nebula2 Package&Module
/// ----------------------------------------------------------------------------

/// ----------------------------------------------------------------------------
/// +Application
int main( int argc, const char ** argv)
{
     /// 创建KernelServer
    nKernelServer * ks = n_new(nKernelServer);

     /// ----------------------------------------------------------------------------
     ///     +向KernelServer中添加Package&Module
    nNebulaAddModule(nresource);
    nNebulaAddModule(nresourceserver);
    nNebulaAddModule(nfont2);
    nNebulaAddModule(nmesh2);
    nNebulaAddModule(nmesharray);
    nNebulaAddModule(nshader2);
    nNebulaAddModule(ntexture2);
    nNebulaAddModule(ngfxserver2);
    ks -> AddPackage(ndirect3d9);
     ///     +向KernelServer中添加Package&Module
     /// ----------------------------------------------------------------------------

     /// 创建D3D9Server
    nD3D9Server * gfx2 = (nD3D9Server * )ks -> New( " nd3d9server " , " /sys/servers/gfx " );
     /// 创建ResourceServer
    nResourceServer * res = (nResourceServer * )ks -> New( " nresourceserver " , " /sys/servers/resource " );
     /// 获得FileServer设置shaders的路径
    nFileServer2 * file = (nFileServer2 * )ks -> Lookup( " sys/servers/file2 " );
     /// @note:这是启动d3d9server必须的
     /// 因为d3d9server在初始化时会访问"shaders:shape.fx"，用它来控制绘制调试图形的渲染状态
    file -> SetAssign( " shaders " , " bin:../../datafiles/shaders/fixed " );

     /// 初始化显示模式
    nDisplayMode2 mode;
    mode.SetXPos( 150 );
    mode.SetYPos( 100 );
    mode.SetWidth( 640 );
    mode.SetHeight( 480 );

     /// 将显示模式应用到d3d9server
    gfx2 -> SetDisplayMode(mode);

     /// 启动d3d9server
    gfx2 -> OpenDisplay();

     /// 这里相当于游戏循环,gfx2->Trigger()将触发win32的消息泵
     while ( gfx2 -> Trigger() )
    {
         /// 一帧开始
        gfx2 -> BeginFrame();
         /// 绘制场景开始
         if ( gfx2 -> BeginScene() )
        {
             /// 设置渲染缓冲区
            gfx2 -> Clear(nGfxServer2::AllBuffers, 0.2f , 0.2f , 0.8f , 1.0f , 0 , 0 );
             /// 绘制场景结束
            gfx2 -> EndScene();
             /// 显示场景
            gfx2 -> PresentScene();
        }
         /// 一帧结束
        gfx2 -> EndFrame();
        n_sleep( 0.01f );
    }

     /// 关闭d3d9server
    gfx2 -> CloseDisplay();

     /// 销毁KernelServer
    n_delete(ks);

     return 0 ;
}
/// -Application
/// ----------------------------------------------------------------------------

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