DXUTmisc.h
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上传日期:2022-01-05
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DirextX编程
开发平台:
Visual C++
- //--------------------------------------------------------------------------------------
- // 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
- //--------------------------------------------------------------------------------------
- // XInput helper state/function
- // This performs extra processing on XInput gamepad data to make it slightly more convenient to use
- //
- // Example usage:
- //
- // DXUT_GAMEPAD gamepad[4];
- // for( DWORD iPort=0; iPort<DXUT_MAX_CONTROLLERS; iPort++ )
- // DXUTGetGamepadState( iPort, gamepad[iPort] );
- //
- //--------------------------------------------------------------------------------------
- #define DXUT_MAX_CONTROLLERS 4 // XInput handles up to 4 controllers
- struct DXUT_GAMEPAD
- {
- // From XINPUT_GAMEPAD
- WORD wButtons;
- BYTE bLeftTrigger;
- BYTE bRightTrigger;
- SHORT sThumbLX;
- SHORT sThumbLY;
- SHORT sThumbRX;
- SHORT sThumbRY;
- // Device properties
- XINPUT_CAPABILITIES caps;
- bool bConnected; // If the controller is currently connected
- bool bInserted; // If the controller was inserted this frame
- bool bRemoved; // If the controller was removed this frame
- // Thumb stick values converted to range [-1,+1]
- float fThumbRX;
- float fThumbRY;
- float fThumbLX;
- float fThumbLY;
- // Records which buttons were pressed this frame.
- // These are only set on the first frame that the button is pressed
- WORD wPressedButtons;
- bool bPressedLeftTrigger;
- bool bPressedRightTrigger;
- // Last state of the buttons
- WORD wLastButtons;
- bool bLastLeftTrigger;
- bool bLastRightTrigger;
- };
- HRESULT DXUTGetGamepadState( DWORD dwPort, DXUT_GAMEPAD* pGamePad, bool bThumbstickDeadZone = true, bool bSnapThumbstickToCardinals = true );
- HRESULT DXUTStopRumbleOnAllControllers();
- //--------------------------------------------------------------------------------------
- // A growable array
- //--------------------------------------------------------------------------------------
- template< typename TYPE >
- class CGrowableArray
- {
- public:
- CGrowableArray() { m_pData = NULL; m_nSize = 0; m_nMaxSize = 0; }
- CGrowableArray( const CGrowableArray<TYPE>& 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<TYPE>& 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 Get*ElapsedTime() calls
- void GetTimeValues( double* pfTime, double* pfAbsoluteTime, float* pfElapsedTime ); // get all time values at once
- bool IsStopped(); // returns true if timer stopped
- // Limit the current thread to one processor (the current one). This ensures that timing code runs
- // on only one processor, and will not suffer any ill effects from power management.
- void LimitThreadAffinityToCurrentProc();
- protected:
- LARGE_INTEGER GetAdjustedCurrentTime();
- 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.
- //--------------------------------------------------------------------------------------
- // 注意,相机的朝向必须是与地面平行的,否则会出错
- 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 SetViewParams( D3DXVECTOR3* pvEyePt, D3DXVECTOR3* pvLookatPt, D3DXVECTOR3* pvUpVec );
- 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; }
- // Functions to get state
- const D3DXMATRIX* GetViewMatrix() 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 UpdateVelocity( float fElapsedTime );
- void GetInput( bool bGetKeyboardInput, bool bGetMouseInput, bool bGetGamepadInput, bool bResetCursorAfterMove );
- D3DXMATRIX m_mView; // View matrix
- D3DXMATRIX m_mProj; // Projection matrix
- DXUT_GAMEPAD m_GamePad[DXUT_MAX_CONTROLLERS]; // XInput controller state
- D3DXVECTOR3 m_vGamePadLeftThumb;
- D3DXVECTOR3 m_vGamePadRightThumb;
- double m_GamePadLastActive[DXUT_MAX_CONTROLLERS];
- 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
- D3DXVECTOR3 m_vKeyboardDirection; // Direction vector of keyboard input
- 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
- };
- //--------------------------------------------------------------------------------------
- // 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 );
- void SetResetCursorAfterMove( bool bResetCursorAfterMove ) { m_bResetCursorAfterMove = bResetCursorAfterMove; }
- // 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;
- bool m_bResetCursorAfterMove;// If true, the class will reset the cursor position so that the cursor always has space to move
- };
- //--------------------------------------------------------------------------------------
- // 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 SetViewParams( D3DXVECTOR3* pvEyePt, D3DXVECTOR3* pvLookatPt, D3DXVECTOR3* pvUpVec );
- 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; m_bDragSinceLastUpdate = true; }
- 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<LINE_NODE*> 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 );
- //--------------------------------------------------------------------------------------
- // Helper function to launch the Media Center UI after the program terminates
- //--------------------------------------------------------------------------------------
- bool DXUTReLaunchMediaCenter();
- //--------------------------------------------------------------------------------------
- // Debug printing support
- // See dxerr.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 dxerr'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(); }
- };
- //--------------------------------------------------------------------------------------
- // Multimon handling to support OSes with or without multimon API support.
- // Purposely avoiding the use of multimon.h so DXUT.lib doesn't require
- // COMPILE_MULTIMON_STUBS and cause complication with MFC or other users of multimon.h
- //--------------------------------------------------------------------------------------
- #ifndef MONITOR_DEFAULTTOPRIMARY
- #define MONITORINFOF_PRIMARY 0x00000001
- #define MONITOR_DEFAULTTONULL 0x00000000
- #define MONITOR_DEFAULTTOPRIMARY 0x00000001
- #define MONITOR_DEFAULTTONEAREST 0x00000002
- typedef struct tagMONITORINFO
- {
- DWORD cbSize;
- RECT rcMonitor;
- RECT rcWork;
- DWORD dwFlags;
- } MONITORINFO, *LPMONITORINFO;
- typedef struct tagMONITORINFOEXW : public tagMONITORINFO
- {
- WCHAR szDevice[CCHDEVICENAME];
- } MONITORINFOEXW, *LPMONITORINFOEXW;
- typedef MONITORINFOEXW MONITORINFOEX;
- typedef LPMONITORINFOEXW LPMONITORINFOEX;
- #endif
- HMONITOR DXUTMonitorFromWindow( HWND hWnd, DWORD dwFlags );
- BOOL DXUTGetMonitorInfo( HMONITOR hMonitor, LPMONITORINFO lpMonitorInfo );
- void DXUTGetDesktopResolution( UINT AdapterOrdinal, UINT* pWidth, UINT* pHeight );
- //--------------------------------------------------------------------------------------
- // Implementation of CGrowableArray
- //--------------------------------------------------------------------------------------
- // This version doesn't call ctor or dtor.
- template< typename TYPE >
- HRESULT CGrowableArray<TYPE>::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<TYPE>::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<TYPE>::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<TYPE>::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<TYPE>::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<TYPE>::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<TYPE>::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<TYPE>::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;
- }
- //--------------------------------------------------------------------------------------
- // Creates a REF or NULLREF device and returns that device. The caller should call
- // Release() when done with the device.
- //--------------------------------------------------------------------------------------
- IDirect3DDevice9* DXUTCreateRefDevice( HWND hWnd, bool bNullRef = true );
- #endif