[1808] | 1 | //--------------------------------------------------------------------------------------
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| 2 | // File: DXUTMisc.h
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| 3 | //
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| 4 | // Helper functions for Direct3D programming.
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| 5 | //
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| 6 | // Copyright (c) Microsoft Corporation. All rights reserved
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| 7 | //--------------------------------------------------------------------------------------
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| 8 | #pragma once
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| 9 | #ifndef DXUT_MISC_H
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| 10 | #define DXUT_MISC_H
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| 11 |
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| 12 |
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| 13 | //--------------------------------------------------------------------------------------
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| 14 | // A growable array
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| 15 | //--------------------------------------------------------------------------------------
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| 16 | template< typename TYPE >
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| 17 | class CGrowableArray
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| 18 | {
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| 19 | public:
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| 20 | CGrowableArray() { m_pData = NULL; m_nSize = 0; m_nMaxSize = 0; }
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| 21 | CGrowableArray( const CGrowableArray<TYPE>& a ) { for( int i=0; i < a.m_nSize; i++ ) Add( a.m_pData[i] ); }
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| 22 | ~CGrowableArray() { RemoveAll(); }
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| 23 |
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| 24 | const TYPE& operator[]( int nIndex ) const { return GetAt( nIndex ); }
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| 25 | TYPE& operator[]( int nIndex ) { return GetAt( nIndex ); }
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| 26 |
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| 27 | 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; }
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| 28 |
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| 29 | HRESULT SetSize( int nNewMaxSize );
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| 30 | HRESULT Add( const TYPE& value );
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| 31 | HRESULT Insert( int nIndex, const TYPE& value );
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| 32 | HRESULT SetAt( int nIndex, const TYPE& value );
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| 33 | TYPE& GetAt( int nIndex ) { assert( nIndex >= 0 && nIndex < m_nSize ); return m_pData[nIndex]; }
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| 34 | int GetSize() const { return m_nSize; }
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| 35 | TYPE* GetData() { return m_pData; }
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| 36 | bool Contains( const TYPE& value ){ return ( -1 != IndexOf( value ) ); }
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| 37 |
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| 38 | int IndexOf( const TYPE& value ) { return ( m_nSize > 0 ) ? IndexOf( value, 0, m_nSize ) : -1; }
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| 39 | int IndexOf( const TYPE& value, int iStart ) { return IndexOf( value, iStart, m_nSize - iStart ); }
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| 40 | int IndexOf( const TYPE& value, int nIndex, int nNumElements );
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| 41 |
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| 42 | int LastIndexOf( const TYPE& value ) { return ( m_nSize > 0 ) ? LastIndexOf( value, m_nSize-1, m_nSize ) : -1; }
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| 43 | int LastIndexOf( const TYPE& value, int nIndex ) { return LastIndexOf( value, nIndex, nIndex+1 ); }
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| 44 | int LastIndexOf( const TYPE& value, int nIndex, int nNumElements );
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| 45 |
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| 46 | HRESULT Remove( int nIndex );
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| 47 | void RemoveAll() { SetSize(0); }
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| 48 |
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| 49 | protected:
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| 50 | TYPE* m_pData; // the actual array of data
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| 51 | int m_nSize; // # of elements (upperBound - 1)
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| 52 | int m_nMaxSize; // max allocated
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| 53 |
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| 54 | HRESULT SetSizeInternal( int nNewMaxSize ); // This version doesn't call ctor or dtor.
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| 55 | };
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| 56 |
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| 57 |
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| 58 | //--------------------------------------------------------------------------------------
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| 59 | // Performs timer operations
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| 60 | // Use DXUTGetGlobalTimer() to get the global instance
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| 61 | //--------------------------------------------------------------------------------------
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| 62 | class CDXUTTimer
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| 63 | {
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| 64 | public:
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| 65 | CDXUTTimer();
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| 66 |
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| 67 | void Reset(); // resets the timer
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| 68 | void Start(); // starts the timer
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| 69 | void Stop(); // stop (or pause) the timer
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| 70 | void Advance(); // advance the timer by 0.1 seconds
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| 71 | double GetAbsoluteTime(); // get the absolute system time
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| 72 | double GetTime(); // get the current time
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| 73 | double GetElapsedTime(); // get the time that elapsed between GetElapsedTime() calls
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| 74 | bool IsStopped(); // returns true if timer stopped
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| 75 |
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| 76 | protected:
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| 77 | bool m_bUsingQPF;
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| 78 | bool m_bTimerStopped;
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| 79 | LONGLONG m_llQPFTicksPerSec;
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| 80 |
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| 81 | LONGLONG m_llStopTime;
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| 82 | LONGLONG m_llLastElapsedTime;
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| 83 | LONGLONG m_llBaseTime;
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| 84 | };
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| 85 |
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| 86 | CDXUTTimer* DXUTGetGlobalTimer();
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| 87 |
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| 88 |
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| 89 | //-----------------------------------------------------------------------------
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| 90 | // Resource cache for textures, fonts, meshs, and effects.
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| 91 | // Use DXUTGetGlobalResourceCache() to access the global cache
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| 92 | //-----------------------------------------------------------------------------
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| 93 |
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| 94 | enum DXUTCACHE_SOURCELOCATION { DXUTCACHE_LOCATION_FILE, DXUTCACHE_LOCATION_RESOURCE };
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| 95 |
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| 96 | struct DXUTCache_Texture
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| 97 | {
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| 98 | DXUTCACHE_SOURCELOCATION Location;
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| 99 | WCHAR wszSource[MAX_PATH];
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| 100 | HMODULE hSrcModule;
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| 101 | UINT Width;
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| 102 | UINT Height;
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| 103 | UINT Depth;
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| 104 | UINT MipLevels;
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| 105 | DWORD Usage;
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| 106 | D3DFORMAT Format;
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| 107 | D3DPOOL Pool;
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| 108 | D3DRESOURCETYPE Type;
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| 109 | IDirect3DBaseTexture9 *pTexture;
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| 110 | };
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| 111 |
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| 112 | struct DXUTCache_Font : public D3DXFONT_DESC
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| 113 | {
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| 114 | ID3DXFont *pFont;
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| 115 | };
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| 116 |
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| 117 | struct DXUTCache_Effect
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| 118 | {
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| 119 | DXUTCACHE_SOURCELOCATION Location;
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| 120 | WCHAR wszSource[MAX_PATH];
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| 121 | HMODULE hSrcModule;
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| 122 | DWORD dwFlags;
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| 123 | ID3DXEffect *pEffect;
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| 124 | };
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| 125 |
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| 126 |
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| 127 | class CDXUTResourceCache
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| 128 | {
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| 129 | public:
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| 130 | ~CDXUTResourceCache();
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| 131 |
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| 132 | HRESULT CreateTextureFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, LPDIRECT3DTEXTURE9 *ppTexture );
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| 133 | 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 );
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| 134 | HRESULT CreateTextureFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, LPDIRECT3DTEXTURE9 *ppTexture );
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| 135 | 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 );
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| 136 | HRESULT CreateCubeTextureFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, LPDIRECT3DCUBETEXTURE9 *ppCubeTexture );
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| 137 | 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 );
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| 138 | HRESULT CreateCubeTextureFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, LPDIRECT3DCUBETEXTURE9 *ppCubeTexture );
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| 139 | 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 );
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| 140 | HRESULT CreateVolumeTextureFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, LPDIRECT3DVOLUMETEXTURE9 *ppVolumeTexture );
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| 141 | 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 );
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| 142 | HRESULT CreateVolumeTextureFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, LPDIRECT3DVOLUMETEXTURE9 *ppVolumeTexture );
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| 143 | 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 );
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| 144 | 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 );
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| 145 | HRESULT CreateFontIndirect( LPDIRECT3DDEVICE9 pDevice, CONST D3DXFONT_DESC *pDesc, LPD3DXFONT *ppFont );
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| 146 | HRESULT CreateEffectFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, const D3DXMACRO *pDefines, LPD3DXINCLUDE pInclude, DWORD Flags, LPD3DXEFFECTPOOL pPool, LPD3DXEFFECT *ppEffect, LPD3DXBUFFER *ppCompilationErrors );
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| 147 | HRESULT CreateEffectFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, const D3DXMACRO *pDefines, LPD3DXINCLUDE pInclude, DWORD Flags, LPD3DXEFFECTPOOL pPool, LPD3DXEFFECT *ppEffect, LPD3DXBUFFER *ppCompilationErrors );
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| 148 |
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| 149 | public:
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| 150 | HRESULT OnCreateDevice( IDirect3DDevice9 *pd3dDevice );
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| 151 | HRESULT OnResetDevice( IDirect3DDevice9 *pd3dDevice );
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| 152 | HRESULT OnLostDevice();
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| 153 | HRESULT OnDestroyDevice();
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| 154 |
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| 155 | protected:
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| 156 | friend CDXUTResourceCache& DXUTGetGlobalResourceCache();
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| 157 | friend HRESULT DXUTInitialize3DEnvironment();
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| 158 | friend HRESULT DXUTReset3DEnvironment();
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| 159 | friend void DXUTCleanup3DEnvironment( bool bReleaseSettings );
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| 160 |
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| 161 | CDXUTResourceCache() { }
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| 162 |
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| 163 | CGrowableArray< DXUTCache_Texture > m_TextureCache;
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| 164 | CGrowableArray< DXUTCache_Effect > m_EffectCache;
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| 165 | CGrowableArray< DXUTCache_Font > m_FontCache;
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| 166 | };
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| 167 |
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| 168 | CDXUTResourceCache& DXUTGetGlobalResourceCache();
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| 169 |
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| 170 |
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| 171 | //--------------------------------------------------------------------------------------
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| 172 | class CD3DArcBall
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| 173 | {
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| 174 | public:
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| 175 | CD3DArcBall();
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| 176 |
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| 177 | // Functions to change behavior
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| 178 | void Reset();
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| 179 | void SetTranslationRadius( FLOAT fRadiusTranslation ) { m_fRadiusTranslation = fRadiusTranslation; }
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| 180 | 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); }
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| 181 | void SetOffset( INT nX, INT nY ) { m_Offset.x = nX; m_Offset.y = nY; }
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| 182 |
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| 183 | // Call these from client and use GetRotationMatrix() to read new rotation matrix
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| 184 | void OnBegin( int nX, int nY ); // start the rotation (pass current mouse position)
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| 185 | void OnMove( int nX, int nY ); // continue the rotation (pass current mouse position)
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| 186 | void OnEnd(); // end the rotation
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| 187 |
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| 188 | // Or call this to automatically handle left, middle, right buttons
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| 189 | LRESULT HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
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| 190 |
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| 191 | // Functions to get/set state
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| 192 | D3DXMATRIX* GetRotationMatrix() { return D3DXMatrixRotationQuaternion(&m_mRotation, &m_qNow); };
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| 193 | D3DXMATRIX* GetTranslationMatrix() { return &m_mTranslation; }
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| 194 | D3DXMATRIX* GetTranslationDeltaMatrix() { return &m_mTranslationDelta; }
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| 195 | bool IsBeingDragged() { return m_bDrag; }
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| 196 | D3DXQUATERNION GetQuatNow() { return m_qNow; }
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| 197 | void SetQuatNow( D3DXQUATERNION q ) { m_qNow = q; }
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| 198 |
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| 199 | static D3DXQUATERNION QuatFromBallPoints( const D3DXVECTOR3 &vFrom, const D3DXVECTOR3 &vTo );
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| 200 |
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| 201 |
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| 202 | protected:
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| 203 | D3DXMATRIXA16 m_mRotation; // Matrix for arc ball's orientation
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| 204 | D3DXMATRIXA16 m_mTranslation; // Matrix for arc ball's position
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| 205 | D3DXMATRIXA16 m_mTranslationDelta; // Matrix for arc ball's position
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| 206 |
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| 207 | POINT m_Offset; // window offset, or upper-left corner of window
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| 208 | INT m_nWidth; // arc ball's window width
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| 209 | INT m_nHeight; // arc ball's window height
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| 210 | D3DXVECTOR2 m_vCenter; // center of arc ball
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| 211 | FLOAT m_fRadius; // arc ball's radius in screen coords
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| 212 | FLOAT m_fRadiusTranslation; // arc ball's radius for translating the target
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| 213 |
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| 214 | D3DXQUATERNION m_qDown; // Quaternion before button down
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| 215 | D3DXQUATERNION m_qNow; // Composite quaternion for current drag
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| 216 | bool m_bDrag; // Whether user is dragging arc ball
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| 217 |
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| 218 | POINT m_ptLastMouse; // position of last mouse point
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| 219 | D3DXVECTOR3 m_vDownPt; // starting point of rotation arc
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| 220 | D3DXVECTOR3 m_vCurrentPt; // current point of rotation arc
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| 221 |
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| 222 | D3DXVECTOR3 ScreenToVector( float fScreenPtX, float fScreenPtY );
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| 223 | };
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| 224 |
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| 225 |
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| 226 | //--------------------------------------------------------------------------------------
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| 227 | // used by CCamera to map WM_KEYDOWN keys
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| 228 | //--------------------------------------------------------------------------------------
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| 229 | enum D3DUtil_CameraKeys
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| 230 | {
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| 231 | CAM_STRAFE_LEFT = 0,
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| 232 | CAM_STRAFE_RIGHT,
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| 233 | CAM_MOVE_FORWARD,
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| 234 | CAM_MOVE_BACKWARD,
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| 235 | CAM_MOVE_UP,
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| 236 | CAM_MOVE_DOWN,
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| 237 | CAM_RESET,
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| 238 | CAM_CONTROLDOWN,
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| 239 | CAM_MAX_KEYS,
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| 240 | CAM_UNKNOWN = 0xFF
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| 241 | };
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| 242 |
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| 243 | #define KEY_WAS_DOWN_MASK 0x80
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| 244 | #define KEY_IS_DOWN_MASK 0x01
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| 245 |
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| 246 | #define MOUSE_LEFT_BUTTON 0x01
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| 247 | #define MOUSE_MIDDLE_BUTTON 0x02
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| 248 | #define MOUSE_RIGHT_BUTTON 0x04
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| 249 | #define MOUSE_WHEEL 0x08
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| 250 |
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| 251 |
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| 252 | //--------------------------------------------------------------------------------------
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| 253 | // Simple base camera class that moves and rotates. The base class
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| 254 | // records mouse and keyboard input for use by a derived class, and
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| 255 | // keeps common state.
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| 256 | //--------------------------------------------------------------------------------------
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| 257 | class CBaseCamera
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| 258 | {
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| 259 | public:
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| 260 | CBaseCamera();
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| 261 |
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| 262 | // Call these from client and use Get*Matrix() to read new matrices
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| 263 | virtual LRESULT HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
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| 264 | virtual void FrameMove( FLOAT fElapsedTime ) = 0;
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| 265 |
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| 266 | // Functions to change camera matrices
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| 267 | virtual void Reset();
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| 268 | virtual void SetViewParams( D3DXVECTOR3* pvEyePt, D3DXVECTOR3* pvLookatPt );
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| 269 | virtual void SetProjParams( FLOAT fFOV, FLOAT fAspect, FLOAT fNearPlane, FLOAT fFarPlane );
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| 270 |
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| 271 | // Functions to change behavior
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| 272 | virtual void SetDragRect( RECT &rc ) { m_rcDrag = rc; }
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| 273 | void SetInvertPitch( bool bInvertPitch ) { m_bInvertPitch = bInvertPitch; }
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| 274 | void SetDrag( bool bMovementDrag, FLOAT fTotalDragTimeToZero = 0.25f ) { m_bMovementDrag = bMovementDrag; m_fTotalDragTimeToZero = fTotalDragTimeToZero; }
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| 275 | void SetEnableYAxisMovement( bool bEnableYAxisMovement ) { m_bEnableYAxisMovement = bEnableYAxisMovement; }
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| 276 | void SetEnablePositionMovement( bool bEnablePositionMovement ) { m_bEnablePositionMovement = bEnablePositionMovement; }
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| 277 | void SetClipToBoundary( bool bClipToBoundary, D3DXVECTOR3* pvMinBoundary, D3DXVECTOR3* pvMaxBoundary ) { m_bClipToBoundary = bClipToBoundary; if( pvMinBoundary ) m_vMinBoundary = *pvMinBoundary; if( pvMaxBoundary ) m_vMaxBoundary = *pvMaxBoundary; }
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| 278 | void SetScalers( FLOAT fRotationScaler = 0.01f, FLOAT fMoveScaler = 5.0f ) { m_fRotationScaler = fRotationScaler; m_fMoveScaler = fMoveScaler; }
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| 279 | void SetNumberOfFramesToSmoothMouseData( int nFrames ) { if( nFrames > 0 ) m_fFramesToSmoothMouseData = (float)nFrames; }
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| 280 | void SetResetCursorAfterMove( bool bResetCursorAfterMove ) { m_bResetCursorAfterMove = bResetCursorAfterMove; }
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| 281 |
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| 282 | // Functions to get state
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| 283 | const D3DXMATRIX* GetViewMatrix() const { return &m_mView; }
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| 284 | const D3DXMATRIX* GetProjMatrix() const { return &m_mProj; }
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| 285 | const D3DXVECTOR3* GetEyePt() const { return &m_vEye; }
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| 286 | const D3DXVECTOR3* GetLookAtPt() const { return &m_vLookAt; }
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| 287 |
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| 288 | bool IsBeingDragged() { return (m_bMouseLButtonDown || m_bMouseMButtonDown || m_bMouseRButtonDown); }
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| 289 | bool IsMouseLButtonDown() { return m_bMouseLButtonDown; }
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| 290 | bool IsMouseMButtonDown() { return m_bMouseMButtonDown; }
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| 291 | bool IsMouseRButtonDown() { return m_bMouseRButtonDown; }
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| 292 |
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| 293 | protected:
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| 294 | // Functions to map a WM_KEYDOWN key to a D3DUtil_CameraKeys enum
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| 295 | virtual D3DUtil_CameraKeys MapKey( UINT nKey );
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| 296 | bool IsKeyDown( BYTE key ) { return( (key & KEY_IS_DOWN_MASK) == KEY_IS_DOWN_MASK ); }
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| 297 | bool WasKeyDown( BYTE key ) { return( (key & KEY_WAS_DOWN_MASK) == KEY_WAS_DOWN_MASK ); }
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| 298 |
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| 299 | void ConstrainToBoundary( D3DXVECTOR3* pV );
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| 300 | void UpdateMouseDelta( float fElapsedTime );
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| 301 | void UpdateVelocity( float fElapsedTime );
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| 302 |
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| 303 | D3DXMATRIX m_mView; // View matrix
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| 304 | D3DXMATRIX m_mProj; // Projection matrix
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| 305 |
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| 306 | BYTE m_aKeys[CAM_MAX_KEYS]; // State of input - KEY_WAS_DOWN_MASK|KEY_IS_DOWN_MASK
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| 307 | POINT m_ptLastMousePosition; // Last absolute position of mouse cursor
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| 308 | bool m_bMouseLButtonDown; // True if left button is down
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| 309 | bool m_bMouseMButtonDown; // True if middle button is down
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| 310 | bool m_bMouseRButtonDown; // True if right button is down
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| 311 | int m_nCurrentButtonMask; // mask of which buttons are down
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| 312 | int m_nMouseWheelDelta; // Amount of middle wheel scroll (+/-)
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| 313 | D3DXVECTOR2 m_vMouseDelta; // Mouse relative delta smoothed over a few frames
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| 314 | float m_fFramesToSmoothMouseData; // Number of frames to smooth mouse data over
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| 315 |
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| 316 | D3DXVECTOR3 m_vDefaultEye; // Default camera eye position
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| 317 | D3DXVECTOR3 m_vDefaultLookAt; // Default LookAt position
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| 318 | D3DXVECTOR3 m_vEye; // Camera eye position
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| 319 | D3DXVECTOR3 m_vLookAt; // LookAt position
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| 320 | float m_fCameraYawAngle; // Yaw angle of camera
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| 321 | float m_fCameraPitchAngle; // Pitch angle of camera
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| 322 |
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| 323 | RECT m_rcDrag; // Rectangle within which a drag can be initiated.
|
---|
| 324 | D3DXVECTOR3 m_vVelocity; // Velocity of camera
|
---|
| 325 | bool m_bMovementDrag; // If true, then camera movement will slow to a stop otherwise movement is instant
|
---|
| 326 | D3DXVECTOR3 m_vVelocityDrag; // Velocity drag force
|
---|
| 327 | FLOAT m_fDragTimer; // Countdown timer to apply drag
|
---|
| 328 | FLOAT m_fTotalDragTimeToZero; // Time it takes for velocity to go from full to 0
|
---|
| 329 | D3DXVECTOR2 m_vRotVelocity; // Velocity of camera
|
---|
| 330 |
|
---|
| 331 | float m_fFOV; // Field of view
|
---|
| 332 | float m_fAspect; // Aspect ratio
|
---|
| 333 | float m_fNearPlane; // Near plane
|
---|
| 334 | float m_fFarPlane; // Far plane
|
---|
| 335 |
|
---|
| 336 | float m_fRotationScaler; // Scaler for rotation
|
---|
| 337 | float m_fMoveScaler; // Scaler for movement
|
---|
| 338 |
|
---|
| 339 | bool m_bInvertPitch; // Invert the pitch axis
|
---|
| 340 | bool m_bEnablePositionMovement; // If true, then the user can translate the camera/model
|
---|
| 341 | bool m_bEnableYAxisMovement; // If true, then camera can move in the y-axis
|
---|
| 342 |
|
---|
| 343 | bool m_bClipToBoundary; // If true, then the camera will be clipped to the boundary
|
---|
| 344 | D3DXVECTOR3 m_vMinBoundary; // Min point in clip boundary
|
---|
| 345 | D3DXVECTOR3 m_vMaxBoundary; // Max point in clip boundary
|
---|
| 346 |
|
---|
| 347 | bool m_bResetCursorAfterMove;// If true, the class will reset the cursor position so that the cursor always has space to move
|
---|
| 348 | };
|
---|
| 349 |
|
---|
| 350 |
|
---|
| 351 | //--------------------------------------------------------------------------------------
|
---|
| 352 | // Simple first person camera class that moves and rotates.
|
---|
| 353 | // It allows yaw and pitch but not roll. It uses WM_KEYDOWN and
|
---|
| 354 | // GetCursorPos() to respond to keyboard and mouse input and updates the
|
---|
| 355 | // view matrix based on input.
|
---|
| 356 | //--------------------------------------------------------------------------------------
|
---|
| 357 | class CFirstPersonCamera : public CBaseCamera
|
---|
| 358 | {
|
---|
| 359 | public:
|
---|
| 360 | CFirstPersonCamera();
|
---|
| 361 |
|
---|
| 362 | // Call these from client and use Get*Matrix() to read new matrices
|
---|
| 363 | virtual void FrameMove( FLOAT fElapsedTime );
|
---|
| 364 |
|
---|
| 365 | // Functions to change behavior
|
---|
| 366 | void SetRotateButtons( bool bLeft, bool bMiddle, bool bRight );
|
---|
| 367 |
|
---|
| 368 | // Functions to get state
|
---|
| 369 | D3DXMATRIX* GetWorldMatrix() { return &m_mCameraWorld; }
|
---|
| 370 |
|
---|
| 371 | const D3DXVECTOR3* GetWorldRight() const { return (D3DXVECTOR3*)&m_mCameraWorld._11; }
|
---|
| 372 | const D3DXVECTOR3* GetWorldUp() const { return (D3DXVECTOR3*)&m_mCameraWorld._21; }
|
---|
| 373 | const D3DXVECTOR3* GetWorldAhead() const { return (D3DXVECTOR3*)&m_mCameraWorld._31; }
|
---|
| 374 | const D3DXVECTOR3* GetEyePt() const { return (D3DXVECTOR3*)&m_mCameraWorld._41; }
|
---|
| 375 |
|
---|
| 376 | protected:
|
---|
| 377 | D3DXMATRIX m_mCameraWorld; // World matrix of the camera (inverse of the view matrix)
|
---|
| 378 |
|
---|
| 379 | int m_nActiveButtonMask; // Mask to determine which button to enable for rotation
|
---|
| 380 | };
|
---|
| 381 |
|
---|
| 382 |
|
---|
| 383 | //--------------------------------------------------------------------------------------
|
---|
| 384 | // Simple model viewing camera class that rotates around the object.
|
---|
| 385 | //--------------------------------------------------------------------------------------
|
---|
| 386 | class CModelViewerCamera : public CBaseCamera
|
---|
| 387 | {
|
---|
| 388 | public:
|
---|
| 389 | CModelViewerCamera();
|
---|
| 390 |
|
---|
| 391 | // Call these from client and use Get*Matrix() to read new matrices
|
---|
| 392 | virtual LRESULT HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
|
---|
| 393 | virtual void FrameMove( FLOAT fElapsedTime );
|
---|
| 394 |
|
---|
| 395 |
|
---|
| 396 | // Functions to change behavior
|
---|
| 397 | virtual void SetDragRect( RECT &rc );
|
---|
| 398 | void Reset();
|
---|
| 399 | void SetViewParams( D3DXVECTOR3* pvEyePt, D3DXVECTOR3* pvLookatPt );
|
---|
| 400 | 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; }
|
---|
| 401 | void SetAttachCameraToModel( bool bEnable = false ) { m_bAttachCameraToModel = bEnable; }
|
---|
| 402 | void SetWindow( int nWidth, int nHeight, float fArcballRadius=0.9f ) { m_WorldArcBall.SetWindow( nWidth, nHeight, fArcballRadius ); m_ViewArcBall.SetWindow( nWidth, nHeight, fArcballRadius ); }
|
---|
| 403 | 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; }
|
---|
| 404 | void SetModelCenter( D3DXVECTOR3 vModelCenter ) { m_vModelCenter = vModelCenter; }
|
---|
| 405 | void SetLimitPitch( bool bLimitPitch ) { m_bLimitPitch = bLimitPitch; }
|
---|
| 406 | void SetViewQuat( D3DXQUATERNION q ) { m_ViewArcBall.SetQuatNow( q ); }
|
---|
| 407 | void SetWorldQuat( D3DXQUATERNION q ) { m_WorldArcBall.SetQuatNow( q ); }
|
---|
| 408 |
|
---|
| 409 | // Functions to get state
|
---|
| 410 | D3DXMATRIX* GetWorldMatrix() { return &m_mWorld; }
|
---|
| 411 |
|
---|
| 412 | protected:
|
---|
| 413 | CD3DArcBall m_WorldArcBall;
|
---|
| 414 | CD3DArcBall m_ViewArcBall;
|
---|
| 415 | D3DXVECTOR3 m_vModelCenter;
|
---|
| 416 | D3DXMATRIX m_mModelLastRot; // Last arcball rotation matrix for model
|
---|
| 417 | D3DXMATRIX m_mModelRot; // Rotation matrix of model
|
---|
| 418 | D3DXMATRIX m_mWorld; // World matrix of model
|
---|
| 419 |
|
---|
| 420 | int m_nRotateModelButtonMask;
|
---|
| 421 | int m_nZoomButtonMask;
|
---|
| 422 | int m_nRotateCameraButtonMask;
|
---|
| 423 |
|
---|
| 424 | bool m_bAttachCameraToModel;
|
---|
| 425 | bool m_bLimitPitch;
|
---|
| 426 | float m_fRadius; // Distance from the camera to model
|
---|
| 427 | float m_fDefaultRadius; // Distance from the camera to model
|
---|
| 428 | float m_fMinRadius; // Min radius
|
---|
| 429 | float m_fMaxRadius; // Max radius
|
---|
| 430 |
|
---|
| 431 | D3DXMATRIX m_mCameraRotLast;
|
---|
| 432 |
|
---|
| 433 | };
|
---|
| 434 |
|
---|
| 435 |
|
---|
| 436 | //--------------------------------------------------------------------------------------
|
---|
| 437 | // Manages the intertion point when drawing text
|
---|
| 438 | //--------------------------------------------------------------------------------------
|
---|
| 439 | class CDXUTTextHelper
|
---|
| 440 | {
|
---|
| 441 | public:
|
---|
| 442 | CDXUTTextHelper( ID3DXFont* pFont, ID3DXSprite* pSprite, int nLineHeight );
|
---|
| 443 |
|
---|
| 444 | void SetInsertionPos( int x, int y ) { m_pt.x = x; m_pt.y = y; }
|
---|
| 445 | void SetForegroundColor( D3DXCOLOR clr ) { m_clr = clr; }
|
---|
| 446 |
|
---|
| 447 | void Begin();
|
---|
| 448 | HRESULT DrawFormattedTextLine( const WCHAR* strMsg, ... );
|
---|
| 449 | HRESULT DrawTextLine( const WCHAR* strMsg );
|
---|
| 450 | HRESULT DrawFormattedTextLine( RECT &rc, DWORD dwFlags, const WCHAR* strMsg, ... );
|
---|
| 451 | HRESULT DrawTextLine( RECT &rc, DWORD dwFlags, const WCHAR* strMsg );
|
---|
| 452 | void End();
|
---|
| 453 |
|
---|
| 454 | protected:
|
---|
| 455 | ID3DXFont* m_pFont;
|
---|
| 456 | ID3DXSprite* m_pSprite;
|
---|
| 457 | D3DXCOLOR m_clr;
|
---|
| 458 | POINT m_pt;
|
---|
| 459 | int m_nLineHeight;
|
---|
| 460 | };
|
---|
| 461 |
|
---|
| 462 |
|
---|
| 463 | //--------------------------------------------------------------------------------------
|
---|
| 464 | // Manages a persistent list of lines and draws them using ID3DXLine
|
---|
| 465 | //--------------------------------------------------------------------------------------
|
---|
| 466 | class CDXUTLineManager
|
---|
| 467 | {
|
---|
| 468 | public:
|
---|
| 469 | CDXUTLineManager();
|
---|
| 470 | ~CDXUTLineManager();
|
---|
| 471 |
|
---|
| 472 | HRESULT OnCreatedDevice( IDirect3DDevice9* pd3dDevice );
|
---|
| 473 | HRESULT OnResetDevice();
|
---|
| 474 | HRESULT OnRender();
|
---|
| 475 | HRESULT OnLostDevice();
|
---|
| 476 | HRESULT OnDeletedDevice();
|
---|
| 477 |
|
---|
| 478 | HRESULT AddLine( int* pnLineID, D3DXVECTOR2* pVertexList, DWORD dwVertexListCount, D3DCOLOR Color, float fWidth, float fScaleRatio, bool bAntiAlias );
|
---|
| 479 | HRESULT AddRect( int* pnLineID, RECT rc, D3DCOLOR Color, float fWidth, float fScaleRatio, bool bAntiAlias );
|
---|
| 480 | HRESULT RemoveLine( int nLineID );
|
---|
| 481 | HRESULT RemoveAllLines();
|
---|
| 482 |
|
---|
| 483 | protected:
|
---|
| 484 | struct LINE_NODE
|
---|
| 485 | {
|
---|
| 486 | int nLineID;
|
---|
| 487 | D3DCOLOR Color;
|
---|
| 488 | float fWidth;
|
---|
| 489 | bool bAntiAlias;
|
---|
| 490 | float fScaleRatio;
|
---|
| 491 | D3DXVECTOR2* pVertexList;
|
---|
| 492 | DWORD dwVertexListCount;
|
---|
| 493 | };
|
---|
| 494 |
|
---|
| 495 | CGrowableArray<LINE_NODE*> m_LinesList;
|
---|
| 496 | IDirect3DDevice9* m_pd3dDevice;
|
---|
| 497 | ID3DXLine* m_pD3DXLine;
|
---|
| 498 | };
|
---|
| 499 |
|
---|
| 500 |
|
---|
| 501 | //--------------------------------------------------------------------------------------
|
---|
| 502 | // Manages the mesh, direction, mouse events of a directional arrow that
|
---|
| 503 | // rotates around a radius controlled by an arcball
|
---|
| 504 | //--------------------------------------------------------------------------------------
|
---|
| 505 | class CDXUTDirectionWidget
|
---|
| 506 | {
|
---|
| 507 | public:
|
---|
| 508 | CDXUTDirectionWidget();
|
---|
| 509 |
|
---|
| 510 | static HRESULT StaticOnCreateDevice( IDirect3DDevice9* pd3dDevice );
|
---|
| 511 | HRESULT OnResetDevice( const D3DSURFACE_DESC* pBackBufferSurfaceDesc );
|
---|
| 512 | HRESULT OnRender( D3DXCOLOR color, const D3DXMATRIX* pmView, const D3DXMATRIX* pmProj, const D3DXVECTOR3* pEyePt );
|
---|
| 513 | LRESULT HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam );
|
---|
| 514 | static void StaticOnLostDevice();
|
---|
| 515 | static void StaticOnDestroyDevice();
|
---|
| 516 |
|
---|
| 517 | D3DXVECTOR3 GetLightDirection() { return m_vCurrentDir; };
|
---|
| 518 | void SetLightDirection( D3DXVECTOR3 vDir ) { m_vDefaultDir = m_vCurrentDir = vDir; };
|
---|
| 519 | void SetButtonMask( int nRotate = MOUSE_RIGHT_BUTTON ) { m_nRotateMask = nRotate; }
|
---|
| 520 |
|
---|
| 521 | float GetRadius() { return m_fRadius; };
|
---|
| 522 | void SetRadius( float fRadius ) { m_fRadius = fRadius; };
|
---|
| 523 |
|
---|
| 524 | bool IsBeingDragged() { return m_ArcBall.IsBeingDragged(); };
|
---|
| 525 |
|
---|
| 526 | protected:
|
---|
| 527 | HRESULT UpdateLightDir();
|
---|
| 528 |
|
---|
| 529 | static IDirect3DDevice9* s_pd3dDevice;
|
---|
| 530 | static ID3DXEffect* s_pEffect;
|
---|
| 531 | static ID3DXMesh* s_pMesh;
|
---|
| 532 |
|
---|
| 533 | float m_fRadius;
|
---|
| 534 | int m_nRotateMask;
|
---|
| 535 | CD3DArcBall m_ArcBall;
|
---|
| 536 | D3DXVECTOR3 m_vDefaultDir;
|
---|
| 537 | D3DXVECTOR3 m_vCurrentDir;
|
---|
| 538 | D3DXMATRIX m_mView;
|
---|
| 539 | D3DXMATRIXA16 m_mRot;
|
---|
| 540 | D3DXMATRIXA16 m_mRotSnapshot;
|
---|
| 541 | };
|
---|
| 542 |
|
---|
| 543 |
|
---|
| 544 | //--------------------------------------------------------------------------------------
|
---|
| 545 | // Returns the DirectX SDK path, as stored in the system registry
|
---|
| 546 | // during the SDK install.
|
---|
| 547 | //--------------------------------------------------------------------------------------
|
---|
| 548 | HRESULT DXUTGetDXSDKMediaPathCch( WCHAR* strDest, int cchDest );
|
---|
| 549 | HRESULT DXUTFindDXSDKMediaFileCch( WCHAR* strDestPath, int cchDest, LPCWSTR strFilename );
|
---|
| 550 |
|
---|
| 551 |
|
---|
| 552 | //--------------------------------------------------------------------------------------
|
---|
| 553 | // Returns the string for the given D3DFORMAT.
|
---|
| 554 | // bWithPrefix determines whether the string should include the "D3DFMT_"
|
---|
| 555 | //--------------------------------------------------------------------------------------
|
---|
| 556 | LPCWSTR DXUTD3DFormatToString( D3DFORMAT format, bool bWithPrefix );
|
---|
| 557 |
|
---|
| 558 |
|
---|
| 559 | //--------------------------------------------------------------------------------------
|
---|
| 560 | // Builds and sets a cursor for the D3D device based on hCursor.
|
---|
| 561 | //--------------------------------------------------------------------------------------
|
---|
| 562 | HRESULT DXUTSetDeviceCursor( IDirect3DDevice9* pd3dDevice, HCURSOR hCursor, bool bAddWatermark );
|
---|
| 563 |
|
---|
| 564 |
|
---|
| 565 | //--------------------------------------------------------------------------------------
|
---|
| 566 | // Returns a view matrix for rendering to a face of a cubemap.
|
---|
| 567 | //--------------------------------------------------------------------------------------
|
---|
| 568 | D3DXMATRIX DXUTGetCubeMapViewMatrix( DWORD dwFace );
|
---|
| 569 |
|
---|
| 570 |
|
---|
| 571 | //--------------------------------------------------------------------------------------
|
---|
| 572 | // Debug printing support
|
---|
| 573 | // See dxerr9.h for more debug printing support
|
---|
| 574 | //--------------------------------------------------------------------------------------
|
---|
| 575 | void DXUTOutputDebugStringW( LPCWSTR strMsg, ... );
|
---|
| 576 | void DXUTOutputDebugStringA( LPCSTR strMsg, ... );
|
---|
| 577 | HRESULT WINAPI DXUTTrace( const CHAR* strFile, DWORD dwLine, HRESULT hr, const WCHAR* strMsg, bool bPopMsgBox );
|
---|
| 578 |
|
---|
| 579 | #ifdef UNICODE
|
---|
| 580 | #define DXUTOutputDebugString DXUTOutputDebugStringW
|
---|
| 581 | #else
|
---|
| 582 | #define DXUTOutputDebugString DXUTOutputDebugStringA
|
---|
| 583 | #endif
|
---|
| 584 |
|
---|
| 585 | // These macros are very similar to dxerr9's but it special cases the HRESULT defined
|
---|
| 586 | // by the sample framework pop better message boxes.
|
---|
| 587 | #if defined(DEBUG) | defined(_DEBUG)
|
---|
| 588 | #define DXUT_ERR(str,hr) DXUTTrace( __FILE__, (DWORD)__LINE__, hr, str, false )
|
---|
| 589 | #define DXUT_ERR_MSGBOX(str,hr) DXUTTrace( __FILE__, (DWORD)__LINE__, hr, str, true )
|
---|
| 590 | #define DXUTTRACE DXUTOutputDebugString
|
---|
| 591 | #else
|
---|
| 592 | #define DXUT_ERR(str,hr) (hr)
|
---|
| 593 | #define DXUT_ERR_MSGBOX(str,hr) (hr)
|
---|
| 594 | #define DXUTTRACE (__noop)
|
---|
| 595 | #endif
|
---|
| 596 |
|
---|
| 597 |
|
---|
| 598 | //--------------------------------------------------------------------------------------
|
---|
| 599 | // Direct3D9 dynamic linking support -- calls top-level D3D9 APIs with graceful
|
---|
| 600 | // failure if APIs are not present.
|
---|
| 601 | //--------------------------------------------------------------------------------------
|
---|
| 602 |
|
---|
| 603 | IDirect3D9 * WINAPI DXUT_Dynamic_Direct3DCreate9(UINT SDKVersion);
|
---|
| 604 | int WINAPI DXUT_Dynamic_D3DPERF_BeginEvent( D3DCOLOR col, LPCWSTR wszName );
|
---|
| 605 | int WINAPI DXUT_Dynamic_D3DPERF_EndEvent( void );
|
---|
| 606 | void WINAPI DXUT_Dynamic_D3DPERF_SetMarker( D3DCOLOR col, LPCWSTR wszName );
|
---|
| 607 | void WINAPI DXUT_Dynamic_D3DPERF_SetRegion( D3DCOLOR col, LPCWSTR wszName );
|
---|
| 608 | BOOL WINAPI DXUT_Dynamic_D3DPERF_QueryRepeatFrame( void );
|
---|
| 609 | void WINAPI DXUT_Dynamic_D3DPERF_SetOptions( DWORD dwOptions );
|
---|
| 610 | DWORD WINAPI DXUT_Dynamic_D3DPERF_GetStatus( void );
|
---|
| 611 |
|
---|
| 612 |
|
---|
| 613 | //--------------------------------------------------------------------------------------
|
---|
| 614 | // Profiling/instrumentation support
|
---|
| 615 | //--------------------------------------------------------------------------------------
|
---|
| 616 |
|
---|
| 617 | //--------------------------------------------------------------------------------------
|
---|
| 618 | // Some D3DPERF APIs take a color that can be used when displaying user events in
|
---|
| 619 | // performance analysis tools. The following constants are provided for your
|
---|
| 620 | // convenience, but you can use any colors you like.
|
---|
| 621 | //--------------------------------------------------------------------------------------
|
---|
| 622 | const D3DCOLOR DXUT_PERFEVENTCOLOR = D3DCOLOR_XRGB(200,100,100);
|
---|
| 623 | const D3DCOLOR DXUT_PERFEVENTCOLOR2 = D3DCOLOR_XRGB(100,200,100);
|
---|
| 624 | const D3DCOLOR DXUT_PERFEVENTCOLOR3 = D3DCOLOR_XRGB(100,100,200);
|
---|
| 625 |
|
---|
| 626 | //--------------------------------------------------------------------------------------
|
---|
| 627 | // The following macros provide a convenient way for your code to call the D3DPERF
|
---|
| 628 | // functions only when PROFILE is defined. If PROFILE is not defined (as for the final
|
---|
| 629 | // release version of a program), these macros evaluate to nothing, so no detailed event
|
---|
| 630 | // information is embedded in your shipping program. It is recommended that you create
|
---|
| 631 | // and use three build configurations for your projects:
|
---|
| 632 | // Debug (nonoptimized code, asserts active, PROFILE defined to assist debugging)
|
---|
| 633 | // Profile (optimized code, asserts disabled, PROFILE defined to assist optimization)
|
---|
| 634 | // Release (optimized code, asserts disabled, PROFILE not defined)
|
---|
| 635 | //--------------------------------------------------------------------------------------
|
---|
| 636 | #ifdef PROFILE
|
---|
| 637 | // PROFILE is defined, so these macros call the D3DPERF functions
|
---|
| 638 | #define DXUT_BeginPerfEvent( color, pstrMessage ) DXUT_Dynamic_D3DPERF_BeginEvent( color, pstrMessage )
|
---|
| 639 | #define DXUT_EndPerfEvent() DXUT_Dynamic_D3DPERF_EndEvent()
|
---|
| 640 | #define DXUT_SetPerfMarker( color, pstrMessage ) DXUT_Dynamic_D3DPERF_SetMarker( color, pstrMessage )
|
---|
| 641 | #else
|
---|
| 642 | // PROFILE is not defined, so these macros do nothing
|
---|
| 643 | #define DXUT_BeginPerfEvent( color, pstrMessage ) (__noop)
|
---|
| 644 | #define DXUT_EndPerfEvent() (__noop)
|
---|
| 645 | #define DXUT_SetPerfMarker( color, pstrMessage ) (__noop)
|
---|
| 646 | #endif
|
---|
| 647 |
|
---|
| 648 | //--------------------------------------------------------------------------------------
|
---|
| 649 | // CDXUTPerfEventGenerator is a helper class that makes it easy to attach begin and end
|
---|
| 650 | // events to a block of code. Simply define a CDXUTPerfEventGenerator variable anywhere
|
---|
| 651 | // in a block of code, and the class's constructor will call DXUT_BeginPerfEvent when
|
---|
| 652 | // the block of code begins, and the class's destructor will call DXUT_EndPerfEvent when
|
---|
| 653 | // the block ends.
|
---|
| 654 | //--------------------------------------------------------------------------------------
|
---|
| 655 | class CDXUTPerfEventGenerator
|
---|
| 656 | {
|
---|
| 657 | public:
|
---|
| 658 | CDXUTPerfEventGenerator( D3DCOLOR color, WCHAR* pstrMessage ) { DXUT_BeginPerfEvent( color, pstrMessage ); }
|
---|
| 659 | ~CDXUTPerfEventGenerator( void ) { DXUT_EndPerfEvent(); }
|
---|
| 660 | };
|
---|
| 661 |
|
---|
| 662 | //--------------------------------------------------------------------------------------
|
---|
| 663 | // Implementation of CGrowableArray
|
---|
| 664 | //--------------------------------------------------------------------------------------
|
---|
| 665 |
|
---|
| 666 | // This version doesn't call ctor or dtor.
|
---|
| 667 | template< typename TYPE >
|
---|
| 668 | HRESULT CGrowableArray<TYPE>::SetSizeInternal( int nNewMaxSize )
|
---|
| 669 | {
|
---|
| 670 | if( nNewMaxSize < 0 )
|
---|
| 671 | {
|
---|
| 672 | assert( false );
|
---|
| 673 | return E_INVALIDARG;
|
---|
| 674 | }
|
---|
| 675 |
|
---|
| 676 | if( nNewMaxSize == 0 )
|
---|
| 677 | {
|
---|
| 678 | // Shrink to 0 size & cleanup
|
---|
| 679 | if( m_pData )
|
---|
| 680 | {
|
---|
| 681 | free( m_pData );
|
---|
| 682 | m_pData = NULL;
|
---|
| 683 | }
|
---|
| 684 |
|
---|
| 685 | m_nMaxSize = 0;
|
---|
| 686 | m_nSize = 0;
|
---|
| 687 | }
|
---|
| 688 | else if( m_pData == NULL || nNewMaxSize > m_nMaxSize )
|
---|
| 689 | {
|
---|
| 690 | // Grow array
|
---|
| 691 | int nGrowBy = ( m_nMaxSize == 0 ) ? 16 : m_nMaxSize;
|
---|
| 692 | nNewMaxSize = max( nNewMaxSize, m_nMaxSize + nGrowBy );
|
---|
| 693 |
|
---|
| 694 | TYPE* pDataNew = (TYPE*) realloc( m_pData, nNewMaxSize * sizeof(TYPE) );
|
---|
| 695 | if( pDataNew == NULL )
|
---|
| 696 | return E_OUTOFMEMORY;
|
---|
| 697 |
|
---|
| 698 | m_pData = pDataNew;
|
---|
| 699 | m_nMaxSize = nNewMaxSize;
|
---|
| 700 | }
|
---|
| 701 |
|
---|
| 702 | return S_OK;
|
---|
| 703 | }
|
---|
| 704 |
|
---|
| 705 |
|
---|
| 706 | //--------------------------------------------------------------------------------------
|
---|
| 707 | template< typename TYPE >
|
---|
| 708 | HRESULT CGrowableArray<TYPE>::SetSize( int nNewMaxSize )
|
---|
| 709 | {
|
---|
| 710 | int nOldSize = m_nSize;
|
---|
| 711 |
|
---|
| 712 | if( nOldSize > nNewMaxSize )
|
---|
| 713 | {
|
---|
| 714 | // Removing elements. Call dtor.
|
---|
| 715 |
|
---|
| 716 | for( int i = nNewMaxSize; i < nOldSize; ++i )
|
---|
| 717 | m_pData[i].~TYPE();
|
---|
| 718 | }
|
---|
| 719 |
|
---|
| 720 | // Adjust buffer. Note that there's no need to check for error
|
---|
| 721 | // since if it happens, nOldSize == nNewMaxSize will be true.)
|
---|
| 722 | HRESULT hr = SetSizeInternal( nNewMaxSize );
|
---|
| 723 |
|
---|
| 724 | if( nOldSize < nNewMaxSize )
|
---|
| 725 | {
|
---|
| 726 | // Adding elements. Call ctor.
|
---|
| 727 |
|
---|
| 728 | for( int i = nOldSize; i < nNewMaxSize; ++i )
|
---|
| 729 | ::new (&m_pData[i]) TYPE;
|
---|
| 730 | }
|
---|
| 731 |
|
---|
| 732 | return hr;
|
---|
| 733 | }
|
---|
| 734 |
|
---|
| 735 |
|
---|
| 736 | //--------------------------------------------------------------------------------------
|
---|
| 737 | template< typename TYPE >
|
---|
| 738 | HRESULT CGrowableArray<TYPE>::Add( const TYPE& value )
|
---|
| 739 | {
|
---|
| 740 | HRESULT hr;
|
---|
| 741 | if( FAILED( hr = SetSizeInternal( m_nSize + 1 ) ) )
|
---|
| 742 | return hr;
|
---|
| 743 |
|
---|
| 744 | // Construct the new element
|
---|
| 745 | ::new (&m_pData[m_nSize]) TYPE;
|
---|
| 746 |
|
---|
| 747 | // Assign
|
---|
| 748 | m_pData[m_nSize] = value;
|
---|
| 749 | ++m_nSize;
|
---|
| 750 |
|
---|
| 751 | return S_OK;
|
---|
| 752 | }
|
---|
| 753 |
|
---|
| 754 |
|
---|
| 755 | //--------------------------------------------------------------------------------------
|
---|
| 756 | template< typename TYPE >
|
---|
| 757 | HRESULT CGrowableArray<TYPE>::Insert( int nIndex, const TYPE& value )
|
---|
| 758 | {
|
---|
| 759 | HRESULT hr;
|
---|
| 760 |
|
---|
| 761 | // Validate index
|
---|
| 762 | if( nIndex < 0 ||
|
---|
| 763 | nIndex > m_nSize )
|
---|
| 764 | {
|
---|
| 765 | assert( false );
|
---|
| 766 | return E_INVALIDARG;
|
---|
| 767 | }
|
---|
| 768 |
|
---|
| 769 | // Prepare the buffer
|
---|
| 770 | if( FAILED( hr = SetSizeInternal( m_nSize + 1 ) ) )
|
---|
| 771 | return hr;
|
---|
| 772 |
|
---|
| 773 | // Shift the array
|
---|
| 774 | MoveMemory( &m_pData[nIndex+1], &m_pData[nIndex], sizeof(TYPE) * (m_nSize - nIndex) );
|
---|
| 775 |
|
---|
| 776 | // Construct the new element
|
---|
| 777 | ::new (&m_pData[nIndex]) TYPE;
|
---|
| 778 |
|
---|
| 779 | // Set the value and increase the size
|
---|
| 780 | m_pData[nIndex] = value;
|
---|
| 781 | ++m_nSize;
|
---|
| 782 |
|
---|
| 783 | return S_OK;
|
---|
| 784 | }
|
---|
| 785 |
|
---|
| 786 |
|
---|
| 787 | //--------------------------------------------------------------------------------------
|
---|
| 788 | template< typename TYPE >
|
---|
| 789 | HRESULT CGrowableArray<TYPE>::SetAt( int nIndex, const TYPE& value )
|
---|
| 790 | {
|
---|
| 791 | // Validate arguments
|
---|
| 792 | if( nIndex < 0 ||
|
---|
| 793 | nIndex >= m_nSize )
|
---|
| 794 | {
|
---|
| 795 | assert( false );
|
---|
| 796 | return E_INVALIDARG;
|
---|
| 797 | }
|
---|
| 798 |
|
---|
| 799 | m_pData[nIndex] = value;
|
---|
| 800 | return S_OK;
|
---|
| 801 | }
|
---|
| 802 |
|
---|
| 803 |
|
---|
| 804 | //--------------------------------------------------------------------------------------
|
---|
| 805 | // Searches for the specified value and returns the index of the first occurrence
|
---|
| 806 | // within the section of the data array that extends from iStart and contains the
|
---|
| 807 | // specified number of elements. Returns -1 if value is not found within the given
|
---|
| 808 | // section.
|
---|
| 809 | //--------------------------------------------------------------------------------------
|
---|
| 810 | template< typename TYPE >
|
---|
| 811 | int CGrowableArray<TYPE>::IndexOf( const TYPE& value, int iStart, int nNumElements )
|
---|
| 812 | {
|
---|
| 813 | // Validate arguments
|
---|
| 814 | if( iStart < 0 ||
|
---|
| 815 | iStart >= m_nSize ||
|
---|
| 816 | nNumElements < 0 ||
|
---|
| 817 | iStart + nNumElements > m_nSize )
|
---|
| 818 | {
|
---|
| 819 | assert( false );
|
---|
| 820 | return -1;
|
---|
| 821 | }
|
---|
| 822 |
|
---|
| 823 | // Search
|
---|
| 824 | for( int i = iStart; i < (iStart + nNumElements); i++ )
|
---|
| 825 | {
|
---|
| 826 | if( value == m_pData[i] )
|
---|
| 827 | return i;
|
---|
| 828 | }
|
---|
| 829 |
|
---|
| 830 | // Not found
|
---|
| 831 | return -1;
|
---|
| 832 | }
|
---|
| 833 |
|
---|
| 834 |
|
---|
| 835 | //--------------------------------------------------------------------------------------
|
---|
| 836 | // Searches for the specified value and returns the index of the last occurrence
|
---|
| 837 | // within the section of the data array that contains the specified number of elements
|
---|
| 838 | // and ends at iEnd. Returns -1 if value is not found within the given section.
|
---|
| 839 | //--------------------------------------------------------------------------------------
|
---|
| 840 | template< typename TYPE >
|
---|
| 841 | int CGrowableArray<TYPE>::LastIndexOf( const TYPE& value, int iEnd, int nNumElements )
|
---|
| 842 | {
|
---|
| 843 | // Validate arguments
|
---|
| 844 | if( iEnd < 0 ||
|
---|
| 845 | iEnd >= m_nSize ||
|
---|
| 846 | nNumElements < 0 ||
|
---|
| 847 | iEnd - nNumElements < 0 )
|
---|
| 848 | {
|
---|
| 849 | assert( false );
|
---|
| 850 | return -1;
|
---|
| 851 | }
|
---|
| 852 |
|
---|
| 853 | // Search
|
---|
| 854 | for( int i = iEnd; i > (iEnd - nNumElements); i-- )
|
---|
| 855 | {
|
---|
| 856 | if( value == m_pData[i] )
|
---|
| 857 | return i;
|
---|
| 858 | }
|
---|
| 859 |
|
---|
| 860 | // Not found
|
---|
| 861 | return -1;
|
---|
| 862 | }
|
---|
| 863 |
|
---|
| 864 |
|
---|
| 865 |
|
---|
| 866 | //--------------------------------------------------------------------------------------
|
---|
| 867 | template< typename TYPE >
|
---|
| 868 | HRESULT CGrowableArray<TYPE>::Remove( int nIndex )
|
---|
| 869 | {
|
---|
| 870 | if( nIndex < 0 ||
|
---|
| 871 | nIndex >= m_nSize )
|
---|
| 872 | {
|
---|
| 873 | assert( false );
|
---|
| 874 | return E_INVALIDARG;
|
---|
| 875 | }
|
---|
| 876 |
|
---|
| 877 | // Destruct the element to be removed
|
---|
| 878 | m_pData[nIndex].~TYPE();
|
---|
| 879 |
|
---|
| 880 | // Compact the array and decrease the size
|
---|
| 881 | MoveMemory( &m_pData[nIndex], &m_pData[nIndex+1], sizeof(TYPE) * (m_nSize - (nIndex+1)) );
|
---|
| 882 | --m_nSize;
|
---|
| 883 |
|
---|
| 884 | return S_OK;
|
---|
| 885 | }
|
---|
| 886 |
|
---|
| 887 |
|
---|
| 888 | #endif
|
---|