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把"Dwarf.x" 换成"tiny.x"显示不正常,看来不是随便一个.x文件都行,也可能是纹理的原因?必须用dds的?暂时还搞不清楚!

这种实时的计算出顶点的方式太耗资源,用这种方式生成,然后导出,再放在游戏里面使用,才是比较可行的办法。







//=============================================================================
// Desc: 主程序源文件
//=============================================================================
#include "dxstdafx.h"
#include 
"resource.h"
#pragma warning(disable: 
4995)


//-----------------------------------------------------------------------------
// 全局变量
//-----------------------------------------------------------------------------
ID3DXFont*                 g_pFont = NULL;          //ID3DXFont字体对象
ID3DXSprite*               g_pTextSprite = NULL;    //ID3DXSprite文本精灵对象
bool                       g_bShowHelp = true;      //标识是否显示简单说明文本

CDXUTDialogResourceManager g_DialogResourceManager; 
//对话框资源管理器
CD3DSettingsDlg            g_SettingsDlg;           //Direct3D设备设置对话框
CDXUTDialog                g_HUD;                   //对话框
CDXUTDialog                g_SampleUI;              //对话框

LPD3DXMESH              g_pMesh          
= NULL;   //原网格模型
D3DMATERIAL9*           g_pMeshMaterials = NULL;   //网格模型材质
LPDIRECT3DTEXTURE9*     g_pMeshTextures  = NULL;   //网格模型纹理
DWORD                   g_dwNumMaterials = 0L;     //材质数量
LPD3DXBUFFER            g_pAdjacencyBuffer = NULL; //网格模型面邻接信息
LPD3DXPMESH             g_pPMesh           = NULL; //层次细节网格模型


//-----------------------------------------------------------------------------
// 控件ID
//-----------------------------------------------------------------------------
#define IDC_TOGGLEFULLSCREEN      1
#define IDC_TOGGLEREF             2
#define IDC_CHANGEDEVICE          3
#define IDC_DETAIL                4


//-----------------------------------------------------------------------------
// Desc: 函数声明
//------------------------------------------------------------------------------
bool    CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat, D3DFORMAT BackBufferFormat, bool bWindowed, void* pUserContext );
bool    CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings, const D3DCAPS9* pCaps, void* pUserContext );
HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9
* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext );
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9
* pd3dDevice, const D3DSURFACE_DESC* pBackBufferSurfaceDesc, void* pUserContext );
void    CALLBACK OnFrameMove( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext );
void    CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime, float fElapsedTime, void* pUserContext );
LRESULT CALLBACK MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, 
bool* pbNoFurtherProcessing, void* pUserContext );
void    CALLBACK KeyboardProc( UINT nChar, bool bKeyDown, bool bAltDown, void* pUserContext );
void    CALLBACK OnGUIEvent( UINT nEvent, int nControlID, CDXUTControl* pControl, void* pUserContext );
void    CALLBACK OnLostDevice( void* pUserContext );
void    CALLBACK OnDestroyDevice( void* pUserContext );

void    InitApp();
void    RenderText();


//-----------------------------------------------------------------------------
// Desc: 入口函数
//-----------------------------------------------------------------------------
INT WINAPI WinMain( HINSTANCE, HINSTANCE, LPSTR, int )
{
    
//为Debug配置启用运行时内存检查功能
#if defined(DEBUG) | defined(_DEBUG)
    _CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF 
| _CRTDBG_LEAK_CHECK_DF );
#endif

    
//设置回调函数
    DXUTSetCallbackDeviceCreated( OnCreateDevice );
    DXUTSetCallbackDeviceReset( OnResetDevice );
    DXUTSetCallbackDeviceLost( OnLostDevice );
    DXUTSetCallbackDeviceDestroyed( OnDestroyDevice );
    DXUTSetCallbackMsgProc( MsgProc );
    DXUTSetCallbackKeyboard( KeyboardProc );
    DXUTSetCallbackFrameRender( OnFrameRender );
    DXUTSetCallbackFrameMove( OnFrameMove );

    
//应用程序相关的初始化
    InitApp();

    
//初始化DXUT, 创建窗口, 创建Direct3D设备对象
    DXUTInit( truetruetrue );
    DXUTSetCursorSettings( 
truetrue );
    DXUTCreateWindow( L
"ProgressMesh" );
    DXUTCreateDevice( D3DADAPTER_DEFAULT, 
true640480
        IsDeviceAcceptable, ModifyDeviceSettings );

    
//进入消息循环和场景渲染
    DXUTMainLoop();

    
//在此进行应用程序相关的清除工作

    
return DXUTGetExitCode();
}


//-----------------------------------------------------------------------------
// Desc: 应用程序相关初始化
//-----------------------------------------------------------------------------
void InitApp()
{
    
//初始化对话框
    g_SettingsDlg.Init( &g_DialogResourceManager );
    g_HUD.Init( 
&g_DialogResourceManager );
    g_SampleUI.Init( 
&g_DialogResourceManager );

    
//为g_HUD对话框设置消息处理函数,添加控件
    g_HUD.SetCallback( OnGUIEvent ); 
    
int iY = 10
    g_HUD.AddButton( IDC_TOGGLEFULLSCREEN, L
"Toggle full screen"35, iY, 12522 );
    g_HUD.AddButton( IDC_TOGGLEREF, L
"Toggle REF (F3)"35, iY += 2412522 );
    g_HUD.AddButton( IDC_CHANGEDEVICE, L
"Change device (F2)"35, iY += 2412522, VK_F2 );

    
//添加滑竿控件
    g_SampleUI.SetCallback( OnGUIEvent ); 
    g_SampleUI.AddSlider( IDC_DETAIL, 
103620016444 );
}


//-----------------------------------------------------------------------------
// Desc: 设备能力检查
//-----------------------------------------------------------------------------
bool CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat, 
                                  D3DFORMAT BackBufferFormat, 
bool bWindowed, 
                                  
void* pUserContext )
{
    
//检查后台缓冲区格式是否支持Alpha混合等操作(post pixel blending operations)
    IDirect3D9* pD3D = DXUTGetD3DObject(); 
    
if( FAILED( pD3D->CheckDeviceFormat( pCaps->AdapterOrdinal, pCaps->DeviceType,
                    AdapterFormat, D3DUSAGE_QUERY_POSTPIXELSHADER_BLENDING, 
                    D3DRTYPE_TEXTURE, BackBufferFormat ) ) )
        
return false;

    
return true;
}


//-----------------------------------------------------------------------------
// Desc: 修改Direct3D渲染设备设置
//-----------------------------------------------------------------------------
bool CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings, 
                                    
const D3DCAPS9* pCaps, void* pUserContext )
{
    
//如果不支持硬件顶点处理则使用软件顶点处理
    if( (pCaps->DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) == 0)
    {
        pDeviceSettings
->BehaviorFlags = D3DCREATE_SOFTWARE_VERTEXPROCESSING;
    }

    
//如果使用参考设备,则弹出警告对话框
    static bool s_bFirstTime = true;
    
if( s_bFirstTime )
    {
        s_bFirstTime 
= false;
        
if( pDeviceSettings->DeviceType == D3DDEVTYPE_REF )
            DXUTDisplaySwitchingToREFWarning();
    }

    
return true;
}


//-----------------------------------------------------------------------------
// Desc: 辅助函数, 从绝对路径中提取纹理文件名
//-----------------------------------------------------------------------------
void RemovePathFromFileName(LPSTR fullPath, LPWSTR fileName)
{
    
//先将fullPath的类型变换为LPWSTR
    WCHAR wszBuf[MAX_PATH];
    MultiByteToWideChar( CP_ACP, 
0, fullPath, -1, wszBuf, MAX_PATH );
    wszBuf[MAX_PATH
-1= L'\0';

    WCHAR
* wszFullPath = wszBuf;

    
//从绝对路径中提取文件名
    LPWSTR pch=wcsrchr(wszFullPath,'\\');
    
if (pch)
        lstrcpy(fileName, 
++pch);
    
else
        lstrcpy(fileName, wszFullPath);
}


//-----------------------------------------------------------------------------
// Desc: 在此创建管理内存资源对象
//-----------------------------------------------------------------------------
HRESULT CALLBACK OnCreateDevice( IDirect3DDevice9* pd3dDevice, 
                                
const D3DSURFACE_DESC* pBackBufferSurfaceDesc, 
                                
void* pUserContext )
{
    HRESULT hr;

    V_RETURN( g_DialogResourceManager.OnCreateDevice( pd3dDevice ) );
    V_RETURN( g_SettingsDlg.OnCreateDevice( pd3dDevice ) );
    
    
//创建字体
    V_RETURN( D3DXCreateFont( pd3dDevice, 150, FW_BOLD, 1, FALSE, DEFAULT_CHARSET, 
                         OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH 
| FF_DONTCARE, 
                         L
"Arial"&g_pFont ) );

    
//加载网格模型
    LPD3DXBUFFER pD3DXMtrlBuffer;

    V_RETURN( D3DXLoadMeshFromX( L
"Dwarf.x", D3DXMESH_MANAGED, 
                                   pd3dDevice, 
&g_pAdjacencyBuffer, 
                                   
&pD3DXMtrlBuffer, NULL, &g_dwNumMaterials, 
                                   
&g_pMesh ) );

    
//提取材质和纹理文件路径
    D3DXMATERIAL* d3dxMaterials = (D3DXMATERIAL*)pD3DXMtrlBuffer->GetBufferPointer();
    g_pMeshMaterials 
= new D3DMATERIAL9[g_dwNumMaterials];
    g_pMeshTextures  
= new LPDIRECT3DTEXTURE9[g_dwNumMaterials];

    
for( DWORD i=0; i<g_dwNumMaterials; i++ )
    {
        g_pMeshMaterials[i] 
= d3dxMaterials[i].MatD3D;
        g_pMeshMaterials[i].Ambient 
= g_pMeshMaterials[i].Diffuse;

        
//创建纹理
        WCHAR fullname[256];
        RemovePathFromFileName(d3dxMaterials[i].pTextureFilename,fullname);
        g_pMeshTextures[i] 
= NULL;
        
if( d3dxMaterials[i].pTextureFilename != NULL  && lstrlen(fullname)>0 )
        {
           V_RETURN( D3DXCreateTextureFromFile( pd3dDevice, fullname, 
&g_pMeshTextures[i] ) );
        }
    }

    pD3DXMtrlBuffer
->Release();

    LPD3DXMESH pTempMesh;  
//临时网格模型变量

    
//整理原始网格模型
    V_RETURN( D3DXCleanMesh( D3DXCLEAN_SIMPLIFICATION, g_pMesh, 
                                   (DWORD
*)g_pAdjacencyBuffer->GetBufferPointer(), &pTempMesh, 
                                   (DWORD
*)g_pAdjacencyBuffer->GetBufferPointer(), NULL ) );
    SAFE_RELEASE( g_pMesh );
    g_pMesh 
= pTempMesh;

    
//熔合重复的顶点
    D3DXWELDEPSILONS Epsilons;
    ZeroMemory( 
&Epsilons, sizeof(D3DXWELDEPSILONS) );
    V_RETURN( D3DXWeldVertices( g_pMesh, D3DXWELDEPSILONS_WELDPARTIALMATCHES,
                                     
&Epsilons, 
                                     (DWORD
*)g_pAdjacencyBuffer->GetBufferPointer(),  
                                     (DWORD
*)g_pAdjacencyBuffer->GetBufferPointer(),
                                     NULL, NULL ) );

    
//检查处理、简化后的网格模型是否有效
    V_RETURN(D3DXValidMesh( g_pMesh, (DWORD*)g_pAdjacencyBuffer->GetBufferPointer(), NULL ) );

    
//生成层次细节网格模型
    V_RETURN(D3DXGeneratePMesh( g_pMesh, (DWORD*)g_pAdjacencyBuffer->GetBufferPointer(),
                                NULL, NULL, 
1, D3DXMESHSIMP_VERTEX, &g_pPMesh ) );

    DWORD cVerticesMin 
= g_pPMesh->GetMinVertices();
    DWORD cVerticesMax 
= g_pPMesh->GetMaxVertices();

    g_SampleUI.GetSlider( IDC_DETAIL )
->SetRange( cVerticesMin, cVerticesMax );
    g_SampleUI.GetSlider( IDC_DETAIL )
->SetValue( cVerticesMax );
    V_RETURN(g_pPMesh
->SetNumVertices(cVerticesMax));

    
return hr;
}


//-----------------------------------------------------------------------------
// Desc: 在此创建默认内存类型资源对象
//-----------------------------------------------------------------------------
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice, 
                                
const D3DSURFACE_DESC* pBackBufferSurfaceDesc, 
                                
void* pUserContext )
{
    HRESULT hr;

    V_RETURN( g_DialogResourceManager.OnResetDevice() );
    V_RETURN( g_SettingsDlg.OnResetDevice() );

    
//设置对话框位置和尺寸
    g_HUD.SetLocation( pBackBufferSurfaceDesc->Width-1700 );
    g_HUD.SetSize( 
170170 );
  
    g_SampleUI.SetLocation( 
0, pBackBufferSurfaceDesc->Height-60 );
    g_SampleUI.SetSize( pBackBufferSurfaceDesc
->Width, 50 );
    g_SampleUI.GetControl( IDC_DETAIL )
->SetSize( pBackBufferSurfaceDesc->Width-2016 );

    
//恢复字体
    if( g_pFont )
        V_RETURN( g_pFont
->OnResetDevice() );
   
    
//创建ID3DXSprite接口对象
    V_RETURN( D3DXCreateSprite( pd3dDevice, &g_pTextSprite ) );

    
//设置世界矩阵
    D3DXMATRIXA16 matWorld;
    D3DXMatrixTranslation( 
&matWorld, 0-0.7f0);
    pd3dDevice
->SetTransform( D3DTS_WORLD, &matWorld );

    
//设置观察矩阵
    D3DXMATRIXA16 matView;
    D3DXVECTOR3 vEyePt( 
0.0f0.0f,-4 );
    D3DXVECTOR3 vLookatPt( 
0.0f0.0f0.0f );
    D3DXVECTOR3 vUpVec( 
0.0f1.0f0.0f );
    D3DXMatrixLookAtLH( 
&matView, &vEyePt, &vLookatPt, &vUpVec );
    pd3dDevice
->SetTransform( D3DTS_VIEW, &matView );

    
//设置投影矩阵
    D3DXMATRIXA16 matProj;
    
float fAspectRatio = (float)pBackBufferSurfaceDesc->Width / pBackBufferSurfaceDesc->Height;
    D3DXMatrixPerspectiveFovLH( 
&matProj, D3DX_PI/4, fAspectRatio, 1.0f100.0f );
    pd3dDevice
->SetTransform( D3DTS_PROJECTION, &matProj );

    
//设置环境光
    pd3dDevice->SetRenderState( D3DRS_AMBIENT, 0xffffffff );

    
return S_OK;
}


//-----------------------------------------------------------------------------
// Desc: 更新场景
//-----------------------------------------------------------------------------
void CALLBACK OnFrameMove( IDirect3DDevice9* pd3dDevice, double fTime, 
                           
float fElapsedTime, void* pUserContext )
{
}


//-----------------------------------------------------------------------------
// Desc: 渲染场景
//-----------------------------------------------------------------------------
void CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime, 
                            
float fElapsedTime, void* pUserContext )
{
    HRESULT hr;
  
    
//如果正在利用Direct3D设备设置对话框进行设置, 则不渲染场景
    if( g_SettingsDlg.IsActive() )
    {
        g_SettingsDlg.OnRender( fElapsedTime );
        
return;
    }

    
//清除后台颜色缓冲区和深度缓冲区
    V( pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, 
                         D3DCOLOR_ARGB(
04550170), 1.0f0) );

    
//渲染场景
    if( SUCCEEDED( pd3dDevice->BeginScene() ) )
    {
        
for(DWORD i=0; i<g_dwNumMaterials; i++)
        {
            pd3dDevice
->SetMaterial( &g_pMeshMaterials[i] );
            pd3dDevice
->SetTexture( 0, g_pMeshTextures[i]);
            g_pPMesh
->DrawSubset( i );
        }

        
//渲染文本和控件
        DXUT_BeginPerfEvent( DXUT_PERFEVENTCOLOR, L"HUD / Stats" ); 
        RenderText();
        V( g_HUD.OnRender( fElapsedTime ) );
        V( g_SampleUI.OnRender( fElapsedTime ) );
        DXUT_EndPerfEvent();

        V( pd3dDevice
->EndScene() );
    }
}


//-----------------------------------------------------------------------------
// Desc: 渲染文本
//-----------------------------------------------------------------------------
void RenderText()
{
    CDXUTTextHelper txtHelper( g_pFont, g_pTextSprite, 
15 );

    
//显示当前Direct3D设备状态和渲染帧速率
    txtHelper.Begin();
    txtHelper.SetInsertionPos( 
55 );
    txtHelper.SetForegroundColor( D3DXCOLOR( 
1.0f1.0f0.0f1.0f ) );
    txtHelper.DrawTextLine( DXUTGetFrameStats(
true) );
    txtHelper.DrawTextLine( DXUTGetDeviceStats() );

    
//显示其他简要信息
    txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f1.0f1.0f1.0f ) );
    txtHelper.DrawTextLine( L
"层次细节网格模型" );
    txtHelper.DrawFormattedTextLine( L
"顶点数量范围: %u 到 %u\n"
                                     L
"当前顶点数量: %d\n",
                                     g_pPMesh
->GetMinVertices(),
                                     g_pPMesh
->GetMaxVertices(),
                                     g_pPMesh
->GetNumVertices() );
    
    
//显示简单帮助文本
    const D3DSURFACE_DESC* pd3dsdBackBuffer = DXUTGetBackBufferSurfaceDesc();
    
if( g_bShowHelp )
    {
        txtHelper.SetInsertionPos( 
10, pd3dsdBackBuffer->Height-15*6 );
        txtHelper.SetForegroundColor( D3DXCOLOR( 
1.0f0.75f0.0f1.0f ) );
        txtHelper.DrawTextLine( L
"Controls (F1 to hide):" );

        txtHelper.SetInsertionPos( 
40, pd3dsdBackBuffer->Height-15*5 );
        txtHelper.DrawTextLine( L
"Quit: ESC" );
    }
    
else
    {
        txtHelper.SetInsertionPos( 
10, pd3dsdBackBuffer->Height-15*2 );
        txtHelper.SetForegroundColor( D3DXCOLOR( 
1.0f1.0f1.0f1.0f ) );
        txtHelper.DrawTextLine( L
"Press F1 for help" );
    }
    txtHelper.End();
}


//-----------------------------------------------------------------------------
// Desc: 消息处理
//-----------------------------------------------------------------------------
LRESULT CALLBACK MsgProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, 
                         
bool* pbNoFurtherProcessing, void* pUserContext )
{
    
*pbNoFurtherProcessing = g_DialogResourceManager.MsgProc( hWnd, uMsg, wParam, lParam );
    
if*pbNoFurtherProcessing )
        
return 0;

    
if( g_SettingsDlg.IsActive() )
    {
        g_SettingsDlg.MsgProc( hWnd, uMsg, wParam, lParam );
        
return 0;
    }

    
*pbNoFurtherProcessing = g_HUD.MsgProc( hWnd, uMsg, wParam, lParam );
    
if*pbNoFurtherProcessing )
        
return 0;
   
    
*pbNoFurtherProcessing = g_SampleUI.MsgProc( hWnd, uMsg, wParam, lParam );
    
if*pbNoFurtherProcessing )
        
return 0;

    
return 0;
}


//-----------------------------------------------------------------------------
// Desc: 键盘消息处理
//-----------------------------------------------------------------------------
void CALLBACK KeyboardProc( UINT nChar, bool bKeyDown, bool bAltDown, void* pUserContext )
{
    
if( bKeyDown )
    {
        
switch( nChar )
        {
            
case VK_F1: g_bShowHelp = !g_bShowHelp; break;
        }
    }
}


//-----------------------------------------------------------------------------
// Desc: 处理各种控件消息
//-----------------------------------------------------------------------------
void CALLBACK OnGUIEvent( UINT nEvent, int nControlID, CDXUTControl* pControl, 
                         
void* pUserContext )
{
    
switch( nControlID )
    {
        
case IDC_TOGGLEFULLSCREEN:
            DXUTToggleFullScreen(); 
            
break;

        
case IDC_TOGGLEREF:
            DXUTToggleREF(); 
            
break;

        
case IDC_CHANGEDEVICE:
            g_SettingsDlg.SetActive( 
!g_SettingsDlg.IsActive() ); 
            
break;

        
case IDC_DETAIL:
            g_pPMesh
->SetNumVertices( ((CDXUTSlider*)pControl)->GetValue() );
            
break;
    }
}


//-----------------------------------------------------------------------------
// Desc: 释放在OnResetDevice()中创建的资源
//-----------------------------------------------------------------------------
void CALLBACK OnLostDevice( void* pUserContext )
{
    g_DialogResourceManager.OnLostDevice();
    g_SettingsDlg.OnLostDevice();
    
if( g_pFont )
        g_pFont
->OnLostDevice();
    SAFE_RELEASE( g_pTextSprite );
}


//------------------------------------------------------------------------------
// Desc: 释放在OnCreateDevice()中创建的资源
//------------------------------------------------------------------------------
void CALLBACK OnDestroyDevice( void* pUserContext )
{
    g_DialogResourceManager.OnDestroyDevice();
    g_SettingsDlg.OnDestroyDevice();
    SAFE_RELEASE( g_pFont );

    
if( g_pMeshMaterials != NULL ) 
        delete[] g_pMeshMaterials;

    
if( g_pMeshTextures )
    {
        
for( DWORD i = 0; i < g_dwNumMaterials; i++ )
        {
            
if( g_pMeshTextures[i] )
                g_pMeshTextures[i]
->Release();
        }
        delete[] g_pMeshTextures;
    }

    SAFE_RELEASE(g_pAdjacencyBuffer);
    SAFE_RELEASE(g_pMesh);
    SAFE_RELEASE(g_pPMesh);
}



















posted on 2008-04-03 00:02 七星重剑 阅读(564) 评论(0)  编辑 收藏 引用 所属分类: Game Graphics

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