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//--------------------------------------------------------------------------------------
// File: DXUTMisc.h
//
// Helper functions for Direct3D programming.
//
// Copyright (c) Microsoft Corporation. All rights reserved
//--------------------------------------------------------------------------------------
#pragma once
#ifndef DXUT_MISC_H
#define DXUT_MISC_H
//--------------------------------------------------------------------------------------
// A growable array
//--------------------------------------------------------------------------------------
template< typename TYPE >
class CGrowableArray
{
public:
CGrowableArray() { m_pData = NULL; m_nSize = 0; m_nMaxSize = 0; }
CGrowableArray( const CGrowableArray& a ) { for( int i=0; i < a.m_nSize; i++ ) Add( a.m_pData[i] ); }
~CGrowableArray() { RemoveAll(); }
const TYPE& operator[]( int nIndex ) const { return GetAt( nIndex ); }
TYPE& operator[]( int nIndex ) { return GetAt( nIndex ); }
CGrowableArray& operator=( const CGrowableArray& a ) { if( this == &a ) return *this; RemoveAll(); for( int i=0; i < a.m_nSize; i++ ) Add( a.m_pData[i] ); return *this; }
HRESULT SetSize( int nNewMaxSize );
HRESULT Add( const TYPE& value );
HRESULT Insert( int nIndex, const TYPE& value );
HRESULT SetAt( int nIndex, const TYPE& value );
TYPE& GetAt( int nIndex ) { assert( nIndex >= 0 && nIndex < m_nSize ); return m_pData[nIndex]; }
int GetSize() const { return m_nSize; }
TYPE* GetData() { return m_pData; }
bool Contains( const TYPE& value ){ return ( -1 != IndexOf( value ) ); }
int IndexOf( const TYPE& value ) { return ( m_nSize > 0 ) ? IndexOf( value, 0, m_nSize ) : -1; }
int IndexOf( const TYPE& value, int iStart ) { return IndexOf( value, iStart, m_nSize - iStart ); }
int IndexOf( const TYPE& value, int nIndex, int nNumElements );
int LastIndexOf( const TYPE& value ) { return ( m_nSize > 0 ) ? LastIndexOf( value, m_nSize-1, m_nSize ) : -1; }
int LastIndexOf( const TYPE& value, int nIndex ) { return LastIndexOf( value, nIndex, nIndex+1 ); }
int LastIndexOf( const TYPE& value, int nIndex, int nNumElements );
HRESULT Remove( int nIndex );
void RemoveAll() { SetSize(0); }
protected:
TYPE* m_pData; // the actual array of data
int m_nSize; // # of elements (upperBound - 1)
int m_nMaxSize; // max allocated
HRESULT SetSizeInternal( int nNewMaxSize ); // This version doesn't call ctor or dtor.
};
//--------------------------------------------------------------------------------------
// Performs timer operations
// Use DXUTGetGlobalTimer() to get the global instance
//--------------------------------------------------------------------------------------
class CDXUTTimer
{
public:
CDXUTTimer();
void Reset(); // resets the timer
void Start(); // starts the timer
void Stop(); // stop (or pause) the timer
void Advance(); // advance the timer by 0.1 seconds
double GetAbsoluteTime(); // get the absolute system time
double GetTime(); // get the current time
double GetElapsedTime(); // get the time that elapsed between GetElapsedTime() calls
bool IsStopped(); // returns true if timer stopped
protected:
bool m_bUsingQPF;
bool m_bTimerStopped;
LONGLONG m_llQPFTicksPerSec;
LONGLONG m_llStopTime;
LONGLONG m_llLastElapsedTime;
LONGLONG m_llBaseTime;
};
CDXUTTimer* DXUTGetGlobalTimer();
//-----------------------------------------------------------------------------
// Resource cache for textures, fonts, meshs, and effects.
// Use DXUTGetGlobalResourceCache() to access the global cache
//-----------------------------------------------------------------------------
enum DXUTCACHE_SOURCELOCATION { DXUTCACHE_LOCATION_FILE, DXUTCACHE_LOCATION_RESOURCE };
struct DXUTCache_Texture
{
DXUTCACHE_SOURCELOCATION Location;
WCHAR wszSource[MAX_PATH];
HMODULE hSrcModule;
UINT Width;
UINT Height;
UINT Depth;
UINT MipLevels;
DWORD Usage;
D3DFORMAT Format;
D3DPOOL Pool;
D3DRESOURCETYPE Type;
IDirect3DBaseTexture9 *pTexture;
};
struct DXUTCache_Font : public D3DXFONT_DESC
{
ID3DXFont *pFont;
};
struct DXUTCache_Effect
{
DXUTCACHE_SOURCELOCATION Location;
WCHAR wszSource[MAX_PATH];
HMODULE hSrcModule;
DWORD dwFlags;
ID3DXEffect *pEffect;
};
class CDXUTResourceCache
{
public:
~CDXUTResourceCache();
HRESULT CreateTextureFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, LPDIRECT3DTEXTURE9 *ppTexture );
HRESULT CreateTextureFromFileEx( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, UINT Width, UINT Height, UINT MipLevels, DWORD Usage, D3DFORMAT Format, D3DPOOL Pool, DWORD Filter, DWORD MipFilter, D3DCOLOR ColorKey, D3DXIMAGE_INFO *pSrcInfo, PALETTEENTRY *pPalette, LPDIRECT3DTEXTURE9 *ppTexture );
HRESULT CreateTextureFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, LPDIRECT3DTEXTURE9 *ppTexture );
HRESULT CreateTextureFromResourceEx( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, UINT Width, UINT Height, UINT MipLevels, DWORD Usage, D3DFORMAT Format, D3DPOOL Pool, DWORD Filter, DWORD MipFilter, D3DCOLOR ColorKey, D3DXIMAGE_INFO *pSrcInfo, PALETTEENTRY *pPalette, LPDIRECT3DTEXTURE9 *ppTexture );
HRESULT CreateCubeTextureFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, LPDIRECT3DCUBETEXTURE9 *ppCubeTexture );
HRESULT CreateCubeTextureFromFileEx( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, UINT Size, UINT MipLevels, DWORD Usage, D3DFORMAT Format, D3DPOOL Pool, DWORD Filter, DWORD MipFilter, D3DCOLOR ColorKey, D3DXIMAGE_INFO *pSrcInfo, PALETTEENTRY *pPalette, LPDIRECT3DCUBETEXTURE9 *ppCubeTexture );
HRESULT CreateCubeTextureFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, LPDIRECT3DCUBETEXTURE9 *ppCubeTexture );
HRESULT CreateCubeTextureFromResourceEx( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, UINT Size, UINT MipLevels, DWORD Usage, D3DFORMAT Format, D3DPOOL Pool, DWORD Filter, DWORD MipFilter, D3DCOLOR ColorKey, D3DXIMAGE_INFO *pSrcInfo, PALETTEENTRY *pPalette, LPDIRECT3DCUBETEXTURE9 *ppCubeTexture );
HRESULT CreateVolumeTextureFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, LPDIRECT3DVOLUMETEXTURE9 *ppVolumeTexture );
HRESULT CreateVolumeTextureFromFileEx( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, UINT Width, UINT Height, UINT Depth, UINT MipLevels, DWORD Usage, D3DFORMAT Format, D3DPOOL Pool, DWORD Filter, DWORD MipFilter, D3DCOLOR ColorKey, D3DXIMAGE_INFO *pSrcInfo, PALETTEENTRY *pPalette, LPDIRECT3DVOLUMETEXTURE9 *ppTexture );
HRESULT CreateVolumeTextureFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, LPDIRECT3DVOLUMETEXTURE9 *ppVolumeTexture );
HRESULT CreateVolumeTextureFromResourceEx( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, UINT Width, UINT Height, UINT Depth, UINT MipLevels, DWORD Usage, D3DFORMAT Format, D3DPOOL Pool, DWORD Filter, DWORD MipFilter, D3DCOLOR ColorKey, D3DXIMAGE_INFO *pSrcInfo, PALETTEENTRY *pPalette, LPDIRECT3DVOLUMETEXTURE9 *ppVolumeTexture );
HRESULT CreateFont( LPDIRECT3DDEVICE9 pDevice, UINT Height, UINT Width, UINT Weight, UINT MipLevels, BOOL Italic, DWORD CharSet, DWORD OutputPrecision, DWORD Quality, DWORD PitchAndFamily, LPCTSTR pFacename, LPD3DXFONT *ppFont );
HRESULT CreateFontIndirect( LPDIRECT3DDEVICE9 pDevice, CONST D3DXFONT_DESC *pDesc, LPD3DXFONT *ppFont );
HRESULT CreateEffectFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, const D3DXMACRO *pDefines, LPD3DXINCLUDE pInclude, DWORD Flags, LPD3DXEFFECTPOOL pPool, LPD3DXEFFECT *ppEffect, LPD3DXBUFFER *ppCompilationErrors );
HRESULT CreateEffectFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, const D3DXMACRO *pDefines, LPD3DXINCLUDE pInclude, DWORD Flags, LPD3DXEFFECTPOOL pPool, LPD3DXEFFECT *ppEffect, LPD3DXBUFFER *ppCompilationErrors );
public:
HRESULT OnCreateDevice( IDirect3DDevice9 *pd3dDevice );
HRESULT OnResetDevice( IDirect3DDevice9 *pd3dDevice );
HRESULT OnLostDevice();
HRESULT OnDestroyDevice();
protected:
friend CDXUTResourceCache& DXUTGetGlobalResourceCache();
friend HRESULT DXUTInitialize3DEnvironment();
friend HRESULT DXUTReset3DEnvironment();
friend void DXUTCleanup3DEnvironment( bool bReleaseSettings );
CDXUTResourceCache() { }
CGrowableArray< DXUTCache_Texture > m_TextureCache;
CGrowableArray< DXUTCache_Effect > m_EffectCache;
CGrowableArray< DXUTCache_Font > m_FontCache;
};
CDXUTResourceCache& DXUTGetGlobalResourceCache();
//--------------------------------------------------------------------------------------
class CD3DArcBall
{
public:
CD3DArcBall();
// Functions to change behavior
void Reset();
void SetTranslationRadius( FLOAT fRadiusTranslation ) { m_fRadiusTranslation = fRadiusTranslation; }
void SetWindow( INT nWidth, INT nHeight, FLOAT fRadius = 0.9f ) { m_nWidth = nWidth; m_nHeight = nHeight; m_fRadius = fRadius; m_vCenter = D3DXVECTOR2(m_nWidth/2.0f,m_nHeight/2.0f); }
void SetOffset( INT nX, INT nY ) { m_Offset.x = nX; m_Offset.y = nY; }
// Call these from client and use GetRotationMatrix() to read new rotation matrix
void OnBegin( int nX, int nY ); // start the rotation (pass current mouse position)
void OnMove( int nX, int nY ); // continue the rotation (pass current mouse position)
void OnEnd(); // end the rotation
// Or call this to automatically handle left, middle, right buttons
LRESULT HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
// Functions to get/set state
const D3DXMATRIX* GetRotationMatrix() { return D3DXMatrixRotationQuaternion(&m_mRotation, &m_qNow); };
const D3DXMATRIX* GetTranslationMatrix() const { return &m_mTranslation; }
const D3DXMATRIX* GetTranslationDeltaMatrix() const { return &m_mTranslationDelta; }
bool IsBeingDragged() const { return m_bDrag; }
D3DXQUATERNION GetQuatNow() const { return m_qNow; }
void SetQuatNow( D3DXQUATERNION q ) { m_qNow = q; }
static D3DXQUATERNION QuatFromBallPoints( const D3DXVECTOR3 &vFrom, const D3DXVECTOR3 &vTo );
protected:
D3DXMATRIXA16 m_mRotation; // Matrix for arc ball's orientation
D3DXMATRIXA16 m_mTranslation; // Matrix for arc ball's position
D3DXMATRIXA16 m_mTranslationDelta; // Matrix for arc ball's position
POINT m_Offset; // window offset, or upper-left corner of window
INT m_nWidth; // arc ball's window width
INT m_nHeight; // arc ball's window height
D3DXVECTOR2 m_vCenter; // center of arc ball
FLOAT m_fRadius; // arc ball's radius in screen coords
FLOAT m_fRadiusTranslation; // arc ball's radius for translating the target
D3DXQUATERNION m_qDown; // Quaternion before button down
D3DXQUATERNION m_qNow; // Composite quaternion for current drag
bool m_bDrag; // Whether user is dragging arc ball
POINT m_ptLastMouse; // position of last mouse point
D3DXVECTOR3 m_vDownPt; // starting point of rotation arc
D3DXVECTOR3 m_vCurrentPt; // current point of rotation arc
D3DXVECTOR3 ScreenToVector( float fScreenPtX, float fScreenPtY );
};
//--------------------------------------------------------------------------------------
// used by CCamera to map WM_KEYDOWN keys
//--------------------------------------------------------------------------------------
enum D3DUtil_CameraKeys
{
CAM_STRAFE_LEFT = 0,
CAM_STRAFE_RIGHT,
CAM_MOVE_FORWARD,
CAM_MOVE_BACKWARD,
CAM_MOVE_UP,
CAM_MOVE_DOWN,
CAM_RESET,
CAM_CONTROLDOWN,
CAM_MAX_KEYS,
CAM_UNKNOWN = 0xFF
};
#define KEY_WAS_DOWN_MASK 0x80
#define KEY_IS_DOWN_MASK 0x01
#define MOUSE_LEFT_BUTTON 0x01
#define MOUSE_MIDDLE_BUTTON 0x02
#define MOUSE_RIGHT_BUTTON 0x04
#define MOUSE_WHEEL 0x08
//--------------------------------------------------------------------------------------
// Simple base camera class that moves and rotates. The base class
// records mouse and keyboard input for use by a derived class, and
// keeps common state.
//--------------------------------------------------------------------------------------
class CBaseCamera
{
public:
CBaseCamera();
// Call these from client and use Get*Matrix() to read new matrices
virtual LRESULT HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
virtual void FrameMove( FLOAT fElapsedTime ) = 0;
// Functions to change camera matrices
virtual void Reset();
virtual void SetViewParams( D3DXVECTOR3* pvEyePt, D3DXVECTOR3* pvLookatPt );
virtual void SetProjParams( FLOAT fFOV, FLOAT fAspect, FLOAT fNearPlane, FLOAT fFarPlane );
// Functions to change behavior
virtual void SetDragRect( RECT &rc ) { m_rcDrag = rc; }
void SetInvertPitch( bool bInvertPitch ) { m_bInvertPitch = bInvertPitch; }
void SetDrag( bool bMovementDrag, FLOAT fTotalDragTimeToZero = 0.25f ) { m_bMovementDrag = bMovementDrag; m_fTotalDragTimeToZero = fTotalDragTimeToZero; }
void SetEnableYAxisMovement( bool bEnableYAxisMovement ) { m_bEnableYAxisMovement = bEnableYAxisMovement; }
void SetEnablePositionMovement( bool bEnablePositionMovement ) { m_bEnablePositionMovement = bEnablePositionMovement; }
void SetClipToBoundary( bool bClipToBoundary, D3DXVECTOR3* pvMinBoundary, D3DXVECTOR3* pvMaxBoundary ) { m_bClipToBoundary = bClipToBoundary; if( pvMinBoundary ) m_vMinBoundary = *pvMinBoundary; if( pvMaxBoundary ) m_vMaxBoundary = *pvMaxBoundary; }
void SetScalers( FLOAT fRotationScaler = 0.01f, FLOAT fMoveScaler = 5.0f ) { m_fRotationScaler = fRotationScaler; m_fMoveScaler = fMoveScaler; }
void SetNumberOfFramesToSmoothMouseData( int nFrames ) { if( nFrames > 0 ) m_fFramesToSmoothMouseData = (float)nFrames; }
void SetResetCursorAfterMove( bool bResetCursorAfterMove ) { m_bResetCursorAfterMove = bResetCursorAfterMove; }
// Functions to get state
const D3DXMATRIX* CalculateViewMatrix() const { return &m_mView; }
const D3DXMATRIX* GetProjMatrix() const { return &m_mProj; }
const D3DXVECTOR3* GetEyePt() const { return &m_vEye; }
const D3DXVECTOR3* GetLookAtPt() const { return &m_vLookAt; }
float GetNearClip() const { return m_fNearPlane; }
float GetFarClip() const { return m_fFarPlane; }
bool IsBeingDragged() const { return (m_bMouseLButtonDown || m_bMouseMButtonDown || m_bMouseRButtonDown); }
bool IsMouseLButtonDown() const { return m_bMouseLButtonDown; }
bool IsMouseMButtonDown() const { return m_bMouseMButtonDown; }
bool IsMouseRButtonDown() const { return m_bMouseRButtonDown; }
protected:
// Functions to map a WM_KEYDOWN key to a D3DUtil_CameraKeys enum
virtual D3DUtil_CameraKeys MapKey( UINT nKey );
bool IsKeyDown( BYTE key ) const { return( (key & KEY_IS_DOWN_MASK) == KEY_IS_DOWN_MASK ); }
bool WasKeyDown( BYTE key ) const { return( (key & KEY_WAS_DOWN_MASK) == KEY_WAS_DOWN_MASK ); }
void ConstrainToBoundary( D3DXVECTOR3* pV );
void UpdateMouseDelta( float fElapsedTime );
void UpdateVelocity( float fElapsedTime );
D3DXMATRIX m_mView; // View matrix
D3DXMATRIX m_mProj; // Projection matrix
int m_cKeysDown; // Number of camera keys that are down.
BYTE m_aKeys[CAM_MAX_KEYS]; // State of input - KEY_WAS_DOWN_MASK|KEY_IS_DOWN_MASK
POINT m_ptLastMousePosition; // Last absolute position of mouse cursor
bool m_bMouseLButtonDown; // True if left button is down
bool m_bMouseMButtonDown; // True if middle button is down
bool m_bMouseRButtonDown; // True if right button is down
int m_nCurrentButtonMask; // mask of which buttons are down
int m_nMouseWheelDelta; // Amount of middle wheel scroll (+/-)
D3DXVECTOR2 m_vMouseDelta; // Mouse relative delta smoothed over a few frames
float m_fFramesToSmoothMouseData; // Number of frames to smooth mouse data over
D3DXVECTOR3 m_vDefaultEye; // Default camera eye position
D3DXVECTOR3 m_vDefaultLookAt; // Default LookAt position
D3DXVECTOR3 m_vEye; // Camera eye position
D3DXVECTOR3 m_vLookAt; // LookAt position
float m_fCameraYawAngle; // Yaw angle of camera
float m_fCameraPitchAngle; // Pitch angle of camera
RECT m_rcDrag; // Rectangle within which a drag can be initiated.
D3DXVECTOR3 m_vVelocity; // Velocity of camera
bool m_bMovementDrag; // If true, then camera movement will slow to a stop otherwise movement is instant
D3DXVECTOR3 m_vVelocityDrag; // Velocity drag force
FLOAT m_fDragTimer; // Countdown timer to apply drag
FLOAT m_fTotalDragTimeToZero; // Time it takes for velocity to go from full to 0
D3DXVECTOR2 m_vRotVelocity; // Velocity of camera
float m_fFOV; // Field of view
float m_fAspect; // Aspect ratio
float m_fNearPlane; // Near plane
float m_fFarPlane; // Far plane
float m_fRotationScaler; // Scaler for rotation
float m_fMoveScaler; // Scaler for movement
bool m_bInvertPitch; // Invert the pitch axis
bool m_bEnablePositionMovement; // If true, then the user can translate the camera/model
bool m_bEnableYAxisMovement; // If true, then camera can move in the y-axis
bool m_bClipToBoundary; // If true, then the camera will be clipped to the boundary
D3DXVECTOR3 m_vMinBoundary; // Min point in clip boundary
D3DXVECTOR3 m_vMaxBoundary; // Max point in clip boundary
bool m_bResetCursorAfterMove;// If true, the class will reset the cursor position so that the cursor always has space to move
};
//--------------------------------------------------------------------------------------
// Simple first person camera class that moves and rotates.
// It allows yaw and pitch but not roll. It uses WM_KEYDOWN and
// GetCursorPos() to respond to keyboard and mouse input and updates the
// view matrix based on input.
//--------------------------------------------------------------------------------------
class CFirstPersonCamera : public CBaseCamera
{
public:
CFirstPersonCamera();
// Call these from client and use Get*Matrix() to read new matrices
virtual void FrameMove( FLOAT fElapsedTime );
// Functions to change behavior
void SetRotateButtons( bool bLeft, bool bMiddle, bool bRight, bool bRotateWithoutButtonDown = false );
// Functions to get state
D3DXMATRIX* GetWorldMatrix() { return &m_mCameraWorld; }
const D3DXVECTOR3* GetWorldRight() const { return (D3DXVECTOR3*)&m_mCameraWorld._11; }
const D3DXVECTOR3* GetWorldUp() const { return (D3DXVECTOR3*)&m_mCameraWorld._21; }
const D3DXVECTOR3* GetWorldAhead() const { return (D3DXVECTOR3*)&m_mCameraWorld._31; }
const D3DXVECTOR3* GetEyePt() const { return (D3DXVECTOR3*)&m_mCameraWorld._41; }
protected:
D3DXMATRIX m_mCameraWorld; // World matrix of the camera (inverse of the view matrix)
int m_nActiveButtonMask; // Mask to determine which button to enable for rotation
bool m_bRotateWithoutButtonDown;
};
//--------------------------------------------------------------------------------------
// Simple model viewing camera class that rotates around the object.
//--------------------------------------------------------------------------------------
class CModelViewerCamera : public CBaseCamera
{
public:
CModelViewerCamera();
// Call these from client and use Get*Matrix() to read new matrices
virtual LRESULT HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
virtual void FrameMove( FLOAT fElapsedTime );
// Functions to change behavior
virtual void SetDragRect( RECT &rc );
void Reset();
void SetViewParams( D3DXVECTOR3* pvEyePt, D3DXVECTOR3* pvLookatPt );
void SetButtonMasks( int nRotateModelButtonMask = MOUSE_LEFT_BUTTON, int nZoomButtonMask = MOUSE_WHEEL, int nRotateCameraButtonMask = MOUSE_RIGHT_BUTTON ) { m_nRotateModelButtonMask = nRotateModelButtonMask, m_nZoomButtonMask = nZoomButtonMask; m_nRotateCameraButtonMask = nRotateCameraButtonMask; }
void SetAttachCameraToModel( bool bEnable = false ) { m_bAttachCameraToModel = bEnable; }
void SetWindow( int nWidth, int nHeight, float fArcballRadius=0.9f ) { m_WorldArcBall.SetWindow( nWidth, nHeight, fArcballRadius ); m_ViewArcBall.SetWindow( nWidth, nHeight, fArcballRadius ); }
void SetRadius( float fDefaultRadius=5.0f, float fMinRadius=1.0f, float fMaxRadius=FLT_MAX ) { m_fDefaultRadius = m_fRadius = fDefaultRadius; m_fMinRadius = fMinRadius; m_fMaxRadius = fMaxRadius; }
void SetModelCenter( D3DXVECTOR3 vModelCenter ) { m_vModelCenter = vModelCenter; }
void SetLimitPitch( bool bLimitPitch ) { m_bLimitPitch = bLimitPitch; }
void SetViewQuat( D3DXQUATERNION q ) { m_ViewArcBall.SetQuatNow( q ); m_bDragSinceLastUpdate = true; }
void SetWorldQuat( D3DXQUATERNION q ) { m_WorldArcBall.SetQuatNow( q ); m_bDragSinceLastUpdate = true; }
// Functions to get state
const D3DXMATRIX* GetWorldMatrix() const { return &m_mWorld; }
void SetWorldMatrix( D3DXMATRIX &mWorld ) { m_mWorld = mWorld; m_bDragSinceLastUpdate = true; }
protected:
CD3DArcBall m_WorldArcBall;
CD3DArcBall m_ViewArcBall;
D3DXVECTOR3 m_vModelCenter;
D3DXMATRIX m_mModelLastRot; // Last arcball rotation matrix for model
D3DXMATRIX m_mModelRot; // Rotation matrix of model
D3DXMATRIX m_mWorld; // World matrix of model
int m_nRotateModelButtonMask;
int m_nZoomButtonMask;
int m_nRotateCameraButtonMask;
bool m_bAttachCameraToModel;
bool m_bLimitPitch;
float m_fRadius; // Distance from the camera to model
float m_fDefaultRadius; // Distance from the camera to model
float m_fMinRadius; // Min radius
float m_fMaxRadius; // Max radius
bool m_bDragSinceLastUpdate; // True if mouse drag has happened since last time FrameMove is called.
D3DXMATRIX m_mCameraRotLast;
};
//--------------------------------------------------------------------------------------
// Manages the intertion point when drawing text
//--------------------------------------------------------------------------------------
class CDXUTTextHelper
{
public:
CDXUTTextHelper( ID3DXFont* pFont, ID3DXSprite* pSprite, int nLineHeight );
void SetInsertionPos( int x, int y ) { m_pt.x = x; m_pt.y = y; }
void SetForegroundColor( D3DXCOLOR clr ) { m_clr = clr; }
void Begin();
HRESULT DrawFormattedTextLine( const WCHAR* strMsg, ... );
HRESULT DrawTextLine( const WCHAR* strMsg );
HRESULT DrawFormattedTextLine( RECT &rc, DWORD dwFlags, const WCHAR* strMsg, ... );
HRESULT DrawTextLine( RECT &rc, DWORD dwFlags, const WCHAR* strMsg );
void End();
protected:
ID3DXFont* m_pFont;
ID3DXSprite* m_pSprite;
D3DXCOLOR m_clr;
POINT m_pt;
int m_nLineHeight;
};
//--------------------------------------------------------------------------------------
// Manages a persistent list of lines and draws them using ID3DXLine
//--------------------------------------------------------------------------------------
class CDXUTLineManager
{
public:
CDXUTLineManager();
~CDXUTLineManager();
HRESULT OnCreatedDevice( IDirect3DDevice9* pd3dDevice );
HRESULT OnResetDevice();
HRESULT OnRender();
HRESULT OnLostDevice();
HRESULT OnDeletedDevice();
HRESULT AddLine( int* pnLineID, D3DXVECTOR2* pVertexList, DWORD dwVertexListCount, D3DCOLOR Color, float fWidth, float fScaleRatio, bool bAntiAlias );
HRESULT AddRect( int* pnLineID, RECT rc, D3DCOLOR Color, float fWidth, float fScaleRatio, bool bAntiAlias );
HRESULT RemoveLine( int nLineID );
HRESULT RemoveAllLines();
protected:
struct LINE_NODE
{
int nLineID;
D3DCOLOR Color;
float fWidth;
bool bAntiAlias;
float fScaleRatio;
D3DXVECTOR2* pVertexList;
DWORD dwVertexListCount;
};
CGrowableArray m_LinesList;
IDirect3DDevice9* m_pd3dDevice;
ID3DXLine* m_pD3DXLine;
};
//--------------------------------------------------------------------------------------
// Manages the mesh, direction, mouse events of a directional arrow that
// rotates around a radius controlled by an arcball
//--------------------------------------------------------------------------------------
class CDXUTDirectionWidget
{
public:
CDXUTDirectionWidget();
static HRESULT StaticOnCreateDevice( IDirect3DDevice9* pd3dDevice );
HRESULT OnResetDevice( const D3DSURFACE_DESC* pBackBufferSurfaceDesc );
HRESULT OnRender( D3DXCOLOR color, const D3DXMATRIX* pmView, const D3DXMATRIX* pmProj, const D3DXVECTOR3* pEyePt );
LRESULT HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
static void StaticOnLostDevice();
static void StaticOnDestroyDevice();
D3DXVECTOR3 GetLightDirection() { return m_vCurrentDir; };
void SetLightDirection( D3DXVECTOR3 vDir ) { m_vDefaultDir = m_vCurrentDir = vDir; };
void SetButtonMask( int nRotate = MOUSE_RIGHT_BUTTON ) { m_nRotateMask = nRotate; }
float GetRadius() { return m_fRadius; };
void SetRadius( float fRadius ) { m_fRadius = fRadius; };
bool IsBeingDragged() { return m_ArcBall.IsBeingDragged(); };
protected:
HRESULT UpdateLightDir();
D3DXMATRIXA16 m_mRot;
D3DXMATRIXA16 m_mRotSnapshot;
static IDirect3DDevice9* s_pd3dDevice;
static ID3DXEffect* s_pEffect;
static ID3DXMesh* s_pMesh;
float m_fRadius;
int m_nRotateMask;
CD3DArcBall m_ArcBall;
D3DXVECTOR3 m_vDefaultDir;
D3DXVECTOR3 m_vCurrentDir;
D3DXMATRIX m_mView;
};
//--------------------------------------------------------------------------------------
// Shared code for samples to ask user if they want to use a REF device or quit
//--------------------------------------------------------------------------------------
void DXUTDisplaySwitchingToREFWarning();
//--------------------------------------------------------------------------------------
// Tries to finds a media file by searching in common locations
//--------------------------------------------------------------------------------------
HRESULT DXUTFindDXSDKMediaFileCch( WCHAR* strDestPath, int cchDest, LPCWSTR strFilename );
HRESULT DXUTSetMediaSearchPath( LPCWSTR strPath );
LPCWSTR DXUTGetMediaSearchPath();
//--------------------------------------------------------------------------------------
// Returns the string for the given D3DFORMAT.
// bWithPrefix determines whether the string should include the "D3DFMT_"
//--------------------------------------------------------------------------------------
LPCWSTR DXUTD3DFormatToString( D3DFORMAT format, bool bWithPrefix );
//--------------------------------------------------------------------------------------
// Returns a view matrix for rendering to a face of a cubemap.
//--------------------------------------------------------------------------------------
D3DXMATRIX DXUTGetCubeMapViewMatrix( DWORD dwFace );
//--------------------------------------------------------------------------------------
// Debug printing support
// See dxerr9.h for more debug printing support
//--------------------------------------------------------------------------------------
void DXUTOutputDebugStringW( LPCWSTR strMsg, ... );
void DXUTOutputDebugStringA( LPCSTR strMsg, ... );
HRESULT WINAPI DXUTTrace( const CHAR* strFile, DWORD dwLine, HRESULT hr, const WCHAR* strMsg, bool bPopMsgBox );
void DXUTTraceDecl( D3DVERTEXELEMENT9 decl[MAX_FVF_DECL_SIZE] );
WCHAR* DXUTTraceD3DDECLUSAGEtoString( BYTE u );
WCHAR* DXUTTraceD3DDECLMETHODtoString( BYTE m );
WCHAR* DXUTTraceD3DDECLTYPEtoString( BYTE t );
#ifdef UNICODE
#define DXUTOutputDebugString DXUTOutputDebugStringW
#else
#define DXUTOutputDebugString DXUTOutputDebugStringA
#endif
// These macros are very similar to dxerr9's but it special cases the HRESULT defined
// by DXUT to pop better message boxes.
#if defined(DEBUG) | defined(_DEBUG)
#define DXUT_ERR(str,hr) DXUTTrace( __FILE__, (DWORD)__LINE__, hr, str, false )
#define DXUT_ERR_MSGBOX(str,hr) DXUTTrace( __FILE__, (DWORD)__LINE__, hr, str, true )
#define DXUTTRACE DXUTOutputDebugString
#else
#define DXUT_ERR(str,hr) (hr)
#define DXUT_ERR_MSGBOX(str,hr) (hr)
#define DXUTTRACE (__noop)
#endif
//--------------------------------------------------------------------------------------
// Direct3D9 dynamic linking support -- calls top-level D3D9 APIs with graceful
// failure if APIs are not present.
//--------------------------------------------------------------------------------------
IDirect3D9 * WINAPI DXUT_Dynamic_Direct3DCreate9(UINT SDKVersion);
int WINAPI DXUT_Dynamic_D3DPERF_BeginEvent( D3DCOLOR col, LPCWSTR wszName );
int WINAPI DXUT_Dynamic_D3DPERF_EndEvent( void );
void WINAPI DXUT_Dynamic_D3DPERF_SetMarker( D3DCOLOR col, LPCWSTR wszName );
void WINAPI DXUT_Dynamic_D3DPERF_SetRegion( D3DCOLOR col, LPCWSTR wszName );
BOOL WINAPI DXUT_Dynamic_D3DPERF_QueryRepeatFrame( void );
void WINAPI DXUT_Dynamic_D3DPERF_SetOptions( DWORD dwOptions );
DWORD WINAPI DXUT_Dynamic_D3DPERF_GetStatus( void );
//--------------------------------------------------------------------------------------
// Profiling/instrumentation support
//--------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------
// Some D3DPERF APIs take a color that can be used when displaying user events in
// performance analysis tools. The following constants are provided for your
// convenience, but you can use any colors you like.
//--------------------------------------------------------------------------------------
const D3DCOLOR DXUT_PERFEVENTCOLOR = D3DCOLOR_XRGB(200,100,100);
const D3DCOLOR DXUT_PERFEVENTCOLOR2 = D3DCOLOR_XRGB(100,200,100);
const D3DCOLOR DXUT_PERFEVENTCOLOR3 = D3DCOLOR_XRGB(100,100,200);
//--------------------------------------------------------------------------------------
// The following macros provide a convenient way for your code to call the D3DPERF
// functions only when PROFILE is defined. If PROFILE is not defined (as for the final
// release version of a program), these macros evaluate to nothing, so no detailed event
// information is embedded in your shipping program. It is recommended that you create
// and use three build configurations for your projects:
// Debug (nonoptimized code, asserts active, PROFILE defined to assist debugging)
// Profile (optimized code, asserts disabled, PROFILE defined to assist optimization)
// Release (optimized code, asserts disabled, PROFILE not defined)
//--------------------------------------------------------------------------------------
#ifdef PROFILE
// PROFILE is defined, so these macros call the D3DPERF functions
#define DXUT_BeginPerfEvent( color, pstrMessage ) DXUT_Dynamic_D3DPERF_BeginEvent( color, pstrMessage )
#define DXUT_EndPerfEvent() DXUT_Dynamic_D3DPERF_EndEvent()
#define DXUT_SetPerfMarker( color, pstrMessage ) DXUT_Dynamic_D3DPERF_SetMarker( color, pstrMessage )
#else
// PROFILE is not defined, so these macros do nothing
#define DXUT_BeginPerfEvent( color, pstrMessage ) (__noop)
#define DXUT_EndPerfEvent() (__noop)
#define DXUT_SetPerfMarker( color, pstrMessage ) (__noop)
#endif
//--------------------------------------------------------------------------------------
// CDXUTPerfEventGenerator is a helper class that makes it easy to attach begin and end
// events to a block of code. Simply define a CDXUTPerfEventGenerator variable anywhere
// in a block of code, and the class's constructor will call DXUT_BeginPerfEvent when
// the block of code begins, and the class's destructor will call DXUT_EndPerfEvent when
// the block ends.
//--------------------------------------------------------------------------------------
class CDXUTPerfEventGenerator
{
public:
CDXUTPerfEventGenerator( D3DCOLOR color, LPCWSTR pstrMessage ) { DXUT_BeginPerfEvent( color, pstrMessage ); }
~CDXUTPerfEventGenerator( void ) { DXUT_EndPerfEvent(); }
};
//--------------------------------------------------------------------------------------
// Implementation of CGrowableArray
//--------------------------------------------------------------------------------------
// This version doesn't call ctor or dtor.
template< typename TYPE >
HRESULT CGrowableArray::SetSizeInternal( int nNewMaxSize )
{
if( nNewMaxSize < 0 )
{
assert( false );
return E_INVALIDARG;
}
if( nNewMaxSize == 0 )
{
// Shrink to 0 size & cleanup
if( m_pData )
{
free( m_pData );
m_pData = NULL;
}
m_nMaxSize = 0;
m_nSize = 0;
}
else if( m_pData == NULL || nNewMaxSize > m_nMaxSize )
{
// Grow array
int nGrowBy = ( m_nMaxSize == 0 ) ? 16 : m_nMaxSize;
nNewMaxSize = __max( nNewMaxSize, m_nMaxSize + nGrowBy );
TYPE* pDataNew = (TYPE*) realloc( m_pData, nNewMaxSize * sizeof(TYPE) );
if( pDataNew == NULL )
return E_OUTOFMEMORY;
m_pData = pDataNew;
m_nMaxSize = nNewMaxSize;
}
return S_OK;
}
//--------------------------------------------------------------------------------------
template< typename TYPE >
HRESULT CGrowableArray::SetSize( int nNewMaxSize )
{
int nOldSize = m_nSize;
if( nOldSize > nNewMaxSize )
{
// Removing elements. Call dtor.
for( int i = nNewMaxSize; i < nOldSize; ++i )
m_pData[i].~TYPE();
}
// Adjust buffer. Note that there's no need to check for error
// since if it happens, nOldSize == nNewMaxSize will be true.)
HRESULT hr = SetSizeInternal( nNewMaxSize );
if( nOldSize < nNewMaxSize )
{
// Adding elements. Call ctor.
for( int i = nOldSize; i < nNewMaxSize; ++i )
::new (&m_pData[i]) TYPE;
}
return hr;
}
//--------------------------------------------------------------------------------------
template< typename TYPE >
HRESULT CGrowableArray::Add( const TYPE& value )
{
HRESULT hr;
if( FAILED( hr = SetSizeInternal( m_nSize + 1 ) ) )
return hr;
// Construct the new element
::new (&m_pData[m_nSize]) TYPE;
// Assign
m_pData[m_nSize] = value;
++m_nSize;
return S_OK;
}
//--------------------------------------------------------------------------------------
template< typename TYPE >
HRESULT CGrowableArray::Insert( int nIndex, const TYPE& value )
{
HRESULT hr;
// Validate index
if( nIndex < 0 ||
nIndex > m_nSize )
{
assert( false );
return E_INVALIDARG;
}
// Prepare the buffer
if( FAILED( hr = SetSizeInternal( m_nSize + 1 ) ) )
return hr;
// Shift the array
MoveMemory( &m_pData[nIndex+1], &m_pData[nIndex], sizeof(TYPE) * (m_nSize - nIndex) );
// Construct the new element
::new (&m_pData[nIndex]) TYPE;
// Set the value and increase the size
m_pData[nIndex] = value;
++m_nSize;
return S_OK;
}
//--------------------------------------------------------------------------------------
template< typename TYPE >
HRESULT CGrowableArray::SetAt( int nIndex, const TYPE& value )
{
// Validate arguments
if( nIndex < 0 ||
nIndex >= m_nSize )
{
assert( false );
return E_INVALIDARG;
}
m_pData[nIndex] = value;
return S_OK;
}
//--------------------------------------------------------------------------------------
// Searches for the specified value and returns the index of the first occurrence
// within the section of the data array that extends from iStart and contains the
// specified number of elements. Returns -1 if value is not found within the given
// section.
//--------------------------------------------------------------------------------------
template< typename TYPE >
int CGrowableArray::IndexOf( const TYPE& value, int iStart, int nNumElements )
{
// Validate arguments
if( iStart < 0 ||
iStart >= m_nSize ||
nNumElements < 0 ||
iStart + nNumElements > m_nSize )
{
assert( false );
return -1;
}
// Search
for( int i = iStart; i < (iStart + nNumElements); i++ )
{
if( value == m_pData[i] )
return i;
}
// Not found
return -1;
}
//--------------------------------------------------------------------------------------
// Searches for the specified value and returns the index of the last occurrence
// within the section of the data array that contains the specified number of elements
// and ends at iEnd. Returns -1 if value is not found within the given section.
//--------------------------------------------------------------------------------------
template< typename TYPE >
int CGrowableArray::LastIndexOf( const TYPE& value, int iEnd, int nNumElements )
{
// Validate arguments
if( iEnd < 0 ||
iEnd >= m_nSize ||
nNumElements < 0 ||
iEnd - nNumElements < 0 )
{
assert( false );
return -1;
}
// Search
for( int i = iEnd; i > (iEnd - nNumElements); i-- )
{
if( value == m_pData[i] )
return i;
}
// Not found
return -1;
}
//--------------------------------------------------------------------------------------
template< typename TYPE >
HRESULT CGrowableArray::Remove( int nIndex )
{
if( nIndex < 0 ||
nIndex >= m_nSize )
{
assert( false );
return E_INVALIDARG;
}
// Destruct the element to be removed
m_pData[nIndex].~TYPE();
// Compact the array and decrease the size
MoveMemory( &m_pData[nIndex], &m_pData[nIndex+1], sizeof(TYPE) * (m_nSize - (nIndex+1)) );
--m_nSize;
return S_OK;
}
#endif