Terrain.h
//=============================================================================
//Desc: CTerrain類頭文件
//=============================================================================
#pragma once
#define WIDTH 100 //地形寬度
#define LENGTH 100 //地形長度
#define NUMROWS 50 //行數
#define NUMCOLUMNS 50 //列數
#define NUMVERTICES ((NUMCOLUMNS+1) * (NUMROWS+1)) //頂點個數
#define NUMFACES ((NUMCOLUMNS*NUMROWS) * 2) //三角形面數
#define CSTEP ((float) WIDTH / (float) NUMCOLUMNS) //橫向每格寬度
#define RSTEP ((float) LENGTH / (float) NUMROWS) //縱向每格寬度
//-----------------------------------------------------------------------------
// Desc: CFlutterFlag類的定義
//-----------------------------------------------------------------------------
class CTerrain
{
public:
CTerrain(void);
~CTerrain(void);
private:
LPD3DXMESH m_pMesh; //網格對象
LPDIRECT3DTEXTURE9 m_pTex; //紋理
D3DXMATRIX m_WorldMatrix; //世界矩陣
private:
float HeightField( float x, float z );
HRESULT BuildFlagMesh(LPDIRECT3DDEVICE9 pd3dDevice);
public:
HRESULT Create(LPDIRECT3DDEVICE9 pd3dDevice);
HRESULT Render(LPDIRECT3DDEVICE9 pd3dDevice);
HRESULT Destroy();
};
Terrain.cpp
//=============================================================================
//Desc: CTerrain類源文件
//=============================================================================
#include "dxstdafx.h"
#include "Terrain.h"
//-----------------------------------------------------------------------------
// Desc: 頂點結構
//-----------------------------------------------------------------------------
struct TERRAINVERTEX
{
D3DXVECTOR3 p; //點的坐標
D3DXVECTOR3 n; //頂點法線
D3DXVECTOR2 vTex; //紋理坐標
};
#define D3DFVF_TERRAINVERTEX (D3DFVF_XYZ | D3DFVF_NORMAL| D3DFVF_TEX1)
//-----------------------------------------------------------------------------
// Desc: 構造函數
//-----------------------------------------------------------------------------
CTerrain::CTerrain(void)
{
m_pMesh = NULL;
m_pTex = NULL;
//構造世界矩陣
D3DXMatrixTranslation( &m_WorldMatrix, -50.0f, 0.0f, -50.0f );
}
//-----------------------------------------------------------------------------
// Desc: 析構函數
//-----------------------------------------------------------------------------
CTerrain::~CTerrain(void)
{
}
//-----------------------------------------------------------------------------
// Desc: 高程生成函數
//-----------------------------------------------------------------------------
float CTerrain::HeightField( float x, float z )
{
FLOAT y = 0.0f;
y += 7.0f * cosf( 0.051f*x + 0.0f ) * sinf( 0.055f*x + 0.0f );
y += 7.0f * cosf( 0.053f*z + 0.0f ) * sinf( 0.057f*z + 0.0f );
y += 1.0f * cosf( 0.101f*x + 0.0f ) * sinf( 0.105f*x + 0.0f );
y += 1.0f * cosf( 0.103f*z + 0.0f ) * sinf( 0.107f*z + 0.0f );
y += 1.0f * cosf( 0.251f*x + 0.0f ) * sinf( 0.255f*x + 0.0f );
y += 1.0f * cosf( 0.253f*z + 0.0f ) * sinf( 0.257f*z + 0.0f );
return y;
}
//-----------------------------------------------------------------------------
// Desc: 創建網格對象
//-----------------------------------------------------------------------------
HRESULT CTerrain::BuildFlagMesh(LPDIRECT3DDEVICE9 pd3dDevice)
{
HRESULT hr = S_OK;
//創建網格
V_RETURN(D3DXCreateMeshFVF( NUMFACES, NUMFACES * 3,
D3DXMESH_MANAGED, D3DFVF_TERRAINVERTEX,
pd3dDevice, &m_pMesh ))
TERRAINVERTEX* pVertices = NULL;
V_RETURN( m_pMesh->LockVertexBuffer(0, (LPVOID*)&pVertices) );
//初始化網格頂點數據
for(int r=0; r<NUMROWS; r++)
{
for(int c=0; c<NUMCOLUMNS; c++)
{
pVertices->p = D3DXVECTOR3(c*CSTEP, 0.0f, r*CSTEP );
pVertices->p.y = HeightField(pVertices->p.x, pVertices->p.z);
pVertices->vTex = D3DXVECTOR2(float(c)/NUMCOLUMNS, 1-float(r)/NUMROWS);
pVertices++;
pVertices->p = D3DXVECTOR3(c*CSTEP, 0.0f, (r+1)*CSTEP );
pVertices->p.y = HeightField(pVertices->p.x, pVertices->p.z);
pVertices->vTex = D3DXVECTOR2(float(c)/NUMCOLUMNS, 1-float(r+1)/NUMROWS);
pVertices++;
pVertices->p = D3DXVECTOR3((c+1)*CSTEP, 0.0f, (r+1)*CSTEP);
pVertices->p.y = HeightField(pVertices->p.x, pVertices->p.z);
pVertices->vTex = D3DXVECTOR2(float(c+1)/NUMCOLUMNS, 1-float(r+1)/NUMROWS);
pVertices++;
pVertices->p = D3DXVECTOR3(c*CSTEP, 0.0f, r*CSTEP);
pVertices->p.y = HeightField(pVertices->p.x, pVertices->p.z);
pVertices->vTex = D3DXVECTOR2(float(c)/NUMCOLUMNS, 1-float(r)/NUMROWS);
pVertices++;
pVertices->p = D3DXVECTOR3((c+1)*CSTEP, 0.0f, (r+1)*CSTEP);
pVertices->p.y = HeightField(pVertices->p.x, pVertices->p.z);
pVertices->vTex = D3DXVECTOR2(float(c+1)/NUMCOLUMNS, 1-float(r+1)/NUMROWS);
pVertices++;
pVertices->p = D3DXVECTOR3((c+1)*CSTEP, 0.0f, r*CSTEP );
pVertices->p.y = HeightField(pVertices->p.x, pVertices->p.z);
pVertices->vTex = D3DXVECTOR2(float(c+1)/NUMCOLUMNS, 1-float(r)/NUMROWS);
pVertices++;
}
}
m_pMesh->UnlockVertexBuffer();
//設置索引緩沖區
WORD* pIndex;
V_RETURN( m_pMesh->LockIndexBuffer(0, (LPVOID*)&pIndex) );
WORD iIndex;
for( iIndex = 0; iIndex < NUMFACES * 3; iIndex++ )
{
*(pIndex++) = iIndex;
}
m_pMesh->UnlockIndexBuffer();
//合并多余的頂點
DWORD* pdwAdjacency = new DWORD[3 * NUMFACES];
if( pdwAdjacency == NULL )
{
return E_OUTOFMEMORY;
}
V_RETURN( D3DXWeldVertices( m_pMesh, D3DXWELDEPSILONS_WELDALL,
NULL, NULL, pdwAdjacency, NULL, NULL ) );
//優化處理
V_RETURN(m_pMesh->OptimizeInplace( D3DXMESHOPT_COMPACT | D3DXMESHOPT_VERTEXCACHE,
pdwAdjacency, NULL, NULL, NULL ) );
//計算頂點法線
D3DXComputeNormals( m_pMesh, NULL );
return S_OK;
}
//-----------------------------------------------------------------------------
// Desc: 初始化相關對象
//-----------------------------------------------------------------------------
HRESULT CTerrain::Create(LPDIRECT3DDEVICE9 pd3dDevice)
{
HRESULT hr = S_OK;
//創建地形網格
V_RETURN(BuildFlagMesh(pd3dDevice));
//創建地面紋理
V_RETURN( D3DXCreateTextureFromFile( pd3dDevice, L"Media\\terrain.bmp", &m_pTex ));
return hr;
}
//-----------------------------------------------------------------------------
// Desc: 渲染地形
//-----------------------------------------------------------------------------
HRESULT CTerrain::Render(LPDIRECT3DDEVICE9 pd3dDevice)
{
pd3dDevice->SetTransform( D3DTS_WORLD, &m_WorldMatrix );
pd3dDevice->SetTexture(0, m_pTex);
m_pMesh->DrawSubset(0);
return S_OK;
}
//-----------------------------------------------------------------------------
// Desc: 清除相關對象
//-----------------------------------------------------------------------------
HRESULT CTerrain::Destroy()
{
SAFE_RELEASE(m_pMesh );
SAFE_RELEASE(m_pTex);
return S_OK;
}
Main.cpp
//=============================================================================
// Desc: 主程序源代碼
//=============================================================================
#include "dxstdafx.h"
#include "resource.h"
#include "Terrain.h"
//-----------------------------------------------------------------------------
// 全局變量
//-----------------------------------------------------------------------------
ID3DXFont* g_pFont = NULL; //ID3DXFont字體對象
ID3DXSprite* g_pTextSprite = NULL; //ID3DXSprite文本精靈對象
bool g_bShowHelp = true; //標識是否顯示簡單說明文本
CDXUTDialogResourceManager g_DialogResourceManager; //對話框資源管理器
CD3DSettingsDlg g_SettingsDlg; //Direct3D設備設置對話框
CDXUTDialog g_HUD; //對話框
CDXUTDialog g_SampleUI; //對話框
CTerrain* g_pTerrain; //地向對象
//-----------------------------------------------------------------------------
// 控件ID
//-----------------------------------------------------------------------------
#define IDC_TOGGLEFULLSCREEN 1
#define IDC_TOGGLEREF 2
#define IDC_CHANGEDEVICE 3
#define IDC_USEOPTIMIZE 4
//-----------------------------------------------------------------------------
// Desc: 函數聲明
//------------------------------------------------------------------------------
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: 入口函數
//-----------------------------------------------------------------------------
INT WINAPI WinMain( HINSTANCE, HINSTANCE, LPSTR, int )
{
//為Debug配置啟用運行時內存檢查功能
#if defined(DEBUG) | defined(_DEBUG)
_CrtSetDbgFlag( _CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF );
#endif
//設置回調函數
DXUTSetCallbackDeviceCreated( OnCreateDevice );
DXUTSetCallbackDeviceReset( OnResetDevice );
DXUTSetCallbackDeviceLost( OnLostDevice );
DXUTSetCallbackDeviceDestroyed( OnDestroyDevice );
DXUTSetCallbackMsgProc( MsgProc );
DXUTSetCallbackKeyboard( KeyboardProc );
DXUTSetCallbackFrameRender( OnFrameRender );
DXUTSetCallbackFrameMove( OnFrameMove );
//應用程序相關的初始化
InitApp();
//初始化DXUT, 創建窗口, 創建Direct3D設備對象
DXUTInit( true, true, true );
DXUTSetCursorSettings( true, true );
DXUTCreateWindow( L"Terrain" );
DXUTCreateDevice( D3DADAPTER_DEFAULT, true, 640, 480,
IsDeviceAcceptable, ModifyDeviceSettings );
//進入消息循環和場景渲染
DXUTMainLoop();
//在此進行應用程序相關的清除工作
return DXUTGetExitCode();
}
//-----------------------------------------------------------------------------
// Desc: 應用程序相關初始化
//-----------------------------------------------------------------------------
void InitApp()
{
//初始化對話框
g_SettingsDlg.Init( &g_DialogResourceManager );
g_HUD.Init( &g_DialogResourceManager );
g_SampleUI.Init( &g_DialogResourceManager );
//為g_HUD對話框設置消息處理函數,添加控件
g_HUD.SetCallback( OnGUIEvent ); int iY = 10;
g_HUD.AddButton( IDC_TOGGLEFULLSCREEN, L"Toggle full screen", 35, iY, 125, 22 );
g_HUD.AddButton( IDC_TOGGLEREF, L"Toggle REF (F3)", 35, iY += 24, 125, 22 );
g_HUD.AddButton( IDC_CHANGEDEVICE, L"Change device (F2)", 35, iY += 24, 125, 22, VK_F2 );
}
//-----------------------------------------------------------------------------
// Desc: 設備能力檢查
//-----------------------------------------------------------------------------
bool CALLBACK IsDeviceAcceptable( D3DCAPS9* pCaps, D3DFORMAT AdapterFormat,
D3DFORMAT BackBufferFormat, bool bWindowed,
void* pUserContext )
{
//檢查后臺緩沖區格式是否支持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渲染設備設置
//-----------------------------------------------------------------------------
bool CALLBACK ModifyDeviceSettings( DXUTDeviceSettings* pDeviceSettings,
const D3DCAPS9* pCaps, void* pUserContext )
{
//如果不支持硬件頂點處理則使用軟件頂點處理
if( (pCaps->DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) == 0)
{
pDeviceSettings->BehaviorFlags = D3DCREATE_SOFTWARE_VERTEXPROCESSING;
}
//如果使用參考設備,則彈出警告對話框
static bool s_bFirstTime = true;
if( s_bFirstTime )
{
s_bFirstTime = false;
if( pDeviceSettings->DeviceType == D3DDEVTYPE_REF )
DXUTDisplaySwitchingToREFWarning();
}
return true;
}
//-----------------------------------------------------------------------------
// Desc: 在此創建管理內存資源對象
//-----------------------------------------------------------------------------
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 ) );
//創建字體
V_RETURN( D3DXCreateFont( pd3dDevice, 15, 0, FW_BOLD, 1, FALSE, DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_DONTCARE,
L"Arial", &g_pFont ) );
//創建地形對象
g_pTerrain = new CTerrain;
g_pTerrain->Create(pd3dDevice);
return S_OK;
}
//-----------------------------------------------------------------------------
// Desc: 在此創建默認內存類型資源對象
//-----------------------------------------------------------------------------
HRESULT CALLBACK OnResetDevice( IDirect3DDevice9* pd3dDevice,
const D3DSURFACE_DESC* pBackBufferSurfaceDesc,
void* pUserContext )
{
HRESULT hr;
V_RETURN( g_DialogResourceManager.OnResetDevice() );
V_RETURN( g_SettingsDlg.OnResetDevice() );
//設置對話框位置和尺寸
g_HUD.SetLocation( pBackBufferSurfaceDesc->Width-170, 0 );
g_HUD.SetSize( 170, 170 );
g_SampleUI.SetLocation( pBackBufferSurfaceDesc->Width-170,
pBackBufferSurfaceDesc->Height-350 );
g_SampleUI.SetSize( 170, 300 );
//恢復字體
if( g_pFont )
V_RETURN( g_pFont->OnResetDevice() );
//創建ID3DXSprite接口對象
V_RETURN( D3DXCreateSprite( pd3dDevice, &g_pTextSprite ) );
//設置觀察矩陣
D3DXMATRIXA16 matView;
D3DXVECTOR3 vEyePt( 0.0f, 30.0f,-100.0 );
D3DXVECTOR3 vLookatPt( 0.0f, 0.0f, 10.0f );
D3DXVECTOR3 vUpVec( 0.0f, 1.0f, 0.0f );
D3DXMatrixLookAtLH( &matView, &vEyePt, &vLookatPt, &vUpVec );
pd3dDevice->SetTransform( D3DTS_VIEW, &matView );
//設置投影矩陣
D3DXMATRIXA16 matProj;
float fAspectRatio = (float)pBackBufferSurfaceDesc->Width / pBackBufferSurfaceDesc->Height;
D3DXMatrixPerspectiveFovLH( &matProj, D3DX_PI/4, fAspectRatio, 1.0f, 500.0f );
pd3dDevice->SetTransform( D3DTS_PROJECTION, &matProj );
//設置紋理狀態
pd3dDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_MODULATE);
pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
pd3dDevice->SetSamplerState( 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR );
pd3dDevice->SetSamplerState( 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR );
//設置材質
D3DMATERIAL9 mtrl;
ZeroMemory( &mtrl, sizeof(D3DMATERIAL9) );
mtrl.Diffuse.r = mtrl.Ambient.r = 1.0f;
mtrl.Diffuse.g = mtrl.Ambient.g = 1.0f;
mtrl.Diffuse.b = mtrl.Ambient.b = 1.0f;
mtrl.Diffuse.a = mtrl.Ambient.a = 1.0f;
pd3dDevice->SetMaterial( &mtrl );
//設置燈光
D3DXVECTOR3 vecDir;
D3DLIGHT9 light;
ZeroMemory( &light, sizeof(D3DLIGHT9) );
light.Type = D3DLIGHT_DIRECTIONAL;
light.Diffuse.r = 0.8f;
light.Diffuse.g = 1.0f;
light.Diffuse.b = 0.8f;
vecDir = D3DXVECTOR3( -1.0f, -1.0f, 1.0f );
D3DXVec3Normalize( (D3DXVECTOR3*)&light.Direction, &vecDir );
light.Range = 1000.0f;
pd3dDevice->SetLight( 0, &light );
pd3dDevice->LightEnable( 0, true );
pd3dDevice->SetRenderState( D3DRS_LIGHTING, true );
//設置環境光
pd3dDevice->SetRenderState( D3DRS_AMBIENT, 0x00505050);
return S_OK;
}
//-----------------------------------------------------------------------------
// Desc: 更新場景
//-----------------------------------------------------------------------------
void CALLBACK OnFrameMove( IDirect3DDevice9* pd3dDevice, double fTime,
float fElapsedTime, void* pUserContext )
{
}
//-----------------------------------------------------------------------------
// Desc: 渲染場景
//-----------------------------------------------------------------------------
void CALLBACK OnFrameRender( IDirect3DDevice9* pd3dDevice, double fTime,
float fElapsedTime, void* pUserContext )
{
HRESULT hr;
//如果正在利用Direct3D設備設置對話框進行設置, 則不渲染場景
if( g_SettingsDlg.IsActive() )
{
g_SettingsDlg.OnRender( fElapsedTime );
return;
}
//清除后臺顏色緩沖區和深度緩沖區
V( pd3dDevice->Clear(0, NULL, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER,
D3DCOLOR_ARGB(0, 45, 50, 170), 1.0f, 0) );
//渲染場景
if( SUCCEEDED( pd3dDevice->BeginScene() ) )
{
//渲染地形
g_pTerrain->Render(pd3dDevice);
//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 );
//顯示當前Direct3D設備狀態和渲染幀速率
txtHelper.Begin();
txtHelper.SetInsertionPos( 5, 5 );
txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 0.0f, 1.0f ) );
txtHelper.DrawTextLine( DXUTGetFrameStats(true) );
txtHelper.DrawTextLine( DXUTGetDeviceStats() );
//顯示其他簡要信息
txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 1.0f, 1.0f, 1.0f ) );
txtHelper.DrawTextLine( L"三維地形模擬" );
//顯示簡單幫助文本
const D3DSURFACE_DESC* pd3dsdBackBuffer = DXUTGetBackBufferSurfaceDesc();
if( g_bShowHelp )
{
txtHelper.SetInsertionPos( 10, pd3dsdBackBuffer->Height-15*6 );
txtHelper.SetForegroundColor( D3DXCOLOR( 1.0f, 0.75f, 0.0f, 1.0f ) );
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( 1.0f, 1.0f, 1.0f, 1.0f ) );
txtHelper.DrawTextLine( L"Press F1 for help" );
}
txtHelper.End();
}
//-----------------------------------------------------------------------------
// Desc: 消息處理
//-----------------------------------------------------------------------------
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: 鍵盤消息處理
//-----------------------------------------------------------------------------
void CALLBACK KeyboardProc( UINT nChar, bool bKeyDown, bool bAltDown, void* pUserContext )
{
if( bKeyDown )
{
switch( nChar )
{
case VK_F1: g_bShowHelp = !g_bShowHelp; break;
}
}
}
//-----------------------------------------------------------------------------
// Desc: 處理各種控件消息
//-----------------------------------------------------------------------------
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;
}
}
//-----------------------------------------------------------------------------
// Desc: 釋放在OnResetDevice()中創建的資源
//-----------------------------------------------------------------------------
void CALLBACK OnLostDevice( void* pUserContext )
{
g_DialogResourceManager.OnLostDevice();
g_SettingsDlg.OnLostDevice();
if( g_pFont )
g_pFont->OnLostDevice();
SAFE_RELEASE( g_pTextSprite );
}
//------------------------------------------------------------------------------
// Desc: 釋放在OnCreateDevice()中創建的資源
//------------------------------------------------------------------------------
void CALLBACK OnDestroyDevice( void* pUserContext )
{
g_DialogResourceManager.OnDestroyDevice();
g_SettingsDlg.OnDestroyDevice();
SAFE_RELEASE( g_pFont );
g_pTerrain->Destroy();
}
posted on 2008-04-17 12:56
七星重劍 閱讀(1535)
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