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DXUTmisc.cpp @ 2242

Revision 2242, 128.3 KB checked in by szirmay, 18 years ago (diff)

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1	//--------------------------------------------------------------------------------------
2	// File: DXUTMisc.cpp
3	//
4	// Shortcut macros and functions for using DX objects
5	//
6	// Copyright (c) Microsoft Corporation. All rights reserved
7	//--------------------------------------------------------------------------------------
8	#include "dxstdafx.h"
9	#define DXUT_GAMEPAD_TRIGGER_THRESHOLD 30
10	#undef min // use __min instead
11	#undef max // use __max instead
12
13	//--------------------------------------------------------------------------------------
14	// Global/Static Members
15	//--------------------------------------------------------------------------------------
16	CDXUTResourceCache& DXUTGetGlobalResourceCache()
17	{
18	// Using an accessor function gives control of the construction order
19	static CDXUTResourceCache cache;
20	return cache;
21	}
22	CDXUTTimer* DXUTGetGlobalTimer()
23	{
24	// Using an accessor function gives control of the construction order
25	static CDXUTTimer timer;
26	return &timer;
27	}
28
29
30	//--------------------------------------------------------------------------------------
31	// Internal functions forward declarations
32	//--------------------------------------------------------------------------------------
33	bool DXUTFindMediaSearchTypicalDirs( WCHAR* strSearchPath, int cchSearch, LPCWSTR strLeaf, WCHAR* strExePath, WCHAR* strExeName );
34	bool DXUTFindMediaSearchParentDirs( WCHAR* strSearchPath, int cchSearch, WCHAR* strStartAt, WCHAR* strLeafName );
35	INT_PTR CALLBACK DisplaySwitchToREFWarningProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam);
36
37
38	//--------------------------------------------------------------------------------------
39	// Shared code for samples to ask user if they want to use a REF device or quit
40	//--------------------------------------------------------------------------------------
41	void DXUTDisplaySwitchingToREFWarning()
42	{
43	if( DXUTGetShowMsgBoxOnError() )
44	{
45	// Open the appropriate registry key
46	DWORD dwSkipWarning = 0;
47	HKEY hKey;
48	LONG lResult = RegOpenKeyEx( HKEY_CURRENT_USER, L"Software\\Microsoft\\DirectX 9.0 SDK", 0, KEY_READ, &hKey );
49	if( ERROR_SUCCESS == lResult )
50	{
51	DWORD dwType;
52	DWORD dwSize = sizeof(DWORD);
53	lResult = RegQueryValueEx( hKey, L"Skip Warning On REF", NULL, &dwType, (BYTE*)&dwSkipWarning, &dwSize );
54	RegCloseKey( hKey );
55	}
56
57	if( dwSkipWarning == 0 )
58	{
59	// Compact code to create a custom dialog box without using a template in a resource file.
60	// If this dialog were in a .rc file, this would be a lot simpler but every sample calling this function would
61	// need a copy of the dialog in its own .rc file. Also MessageBox API could be used here instead, but
62	// the MessageBox API is simpler to call but it can't provide a "Don't show again" checkbox
63	typedef struct { DLGITEMTEMPLATE a; WORD b; WORD c; WORD d; WORD e; WORD f; } DXUT_DLG_ITEM;
64	typedef struct { DLGTEMPLATE a; WORD b; WORD c; WCHAR d[2]; WORD e; WCHAR f[14]; DXUT_DLG_ITEM i1; DXUT_DLG_ITEM i2; DXUT_DLG_ITEM i3; DXUT_DLG_ITEM i4; DXUT_DLG_ITEM i5; } DXUT_DLG_DATA;
65
66	DXUT_DLG_DATA dtp =
67	{
68	{WS_CAPTION\|WS_POPUP\|WS_VISIBLE\|WS_SYSMENU\|DS_ABSALIGN\|DS_3DLOOK\|DS_SETFONT\|DS_MODALFRAME\|DS_CENTER,0,5,0,0,269,82},0,0,L" ",8,L"MS Sans Serif",
69	{{WS_CHILD\|WS_VISIBLE\|SS_ICON\|SS_CENTERIMAGE,0,7,7,24,24,0x100},0xFFFF,0x0082,0,0,0}, // icon
70	{{WS_CHILD\|WS_VISIBLE,0,40,7,230,25,0x101},0xFFFF,0x0082,0,0,0}, // static text
71	{{WS_CHILD\|WS_VISIBLE\|BS_DEFPUSHBUTTON,0,80,39,50,14,IDYES},0xFFFF,0x0080,0,0,0}, // Yes button
72	{{WS_CHILD\|WS_VISIBLE,0,133,39,50,14,IDNO},0xFFFF,0x0080,0,0,0}, // No button
73	{{WS_CHILD\|WS_VISIBLE\|BS_CHECKBOX,0,7,59,70,16,IDIGNORE},0xFFFF,0x0080,0,0,0}, // checkbox
74	};
75
76	int nResult = (int) DialogBoxIndirect( DXUTGetHINSTANCE(), (DLGTEMPLATE*)&dtp, DXUTGetHWND(), DisplaySwitchToREFWarningProc );
77
78	if( (nResult & 0x80) == 0x80 ) // "Don't show again" checkbox was checked
79	{
80	lResult = RegOpenKeyEx( HKEY_CURRENT_USER, L"Software\\Microsoft\\DirectX 9.0 SDK", 0, KEY_WRITE, &hKey );
81	if( ERROR_SUCCESS == lResult )
82	{
83	dwSkipWarning = 1;
84	RegSetValueEx( hKey, L"Skip Warning On REF", 0, REG_DWORD, (BYTE*)&dwSkipWarning, sizeof(DWORD) );
85	RegCloseKey( hKey );
86	}
87	}
88
89	// User choose not to continue
90	if( (nResult & 0x0F) == IDNO )
91	DXUTShutdown(1);
92	}
93	}
94	}
95
96
97	//--------------------------------------------------------------------------------------
98	// MsgProc for DXUTDisplaySwitchingToREFWarning() dialog box
99	//--------------------------------------------------------------------------------------
100	INT_PTR CALLBACK DisplaySwitchToREFWarningProc(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
101	{
102	switch (message)
103	{
104	case WM_INITDIALOG:
105	// Easier to set text here than in the DLGITEMTEMPLATE
106	SetWindowText( hDlg, DXUTGetWindowTitle() );
107	SendMessage( GetDlgItem(hDlg, 0x100), STM_SETIMAGE, IMAGE_ICON, (LPARAM)LoadIcon(0, IDI_QUESTION));
108	SetDlgItemText( hDlg, 0x101, L"Switching to the Direct3D reference rasterizer, a software device\nthat implements the entire Direct3D feature set, but runs very slowly.\nDo you wish to continue?" );
109	SetDlgItemText( hDlg, IDYES, L"&Yes" );
110	SetDlgItemText( hDlg, IDNO, L"&No" );
111	SetDlgItemText( hDlg, IDIGNORE, L"&Don't show again" );
112	break;
113
114	case WM_COMMAND:
115	switch (LOWORD(wParam))
116	{
117	case IDIGNORE: CheckDlgButton( hDlg, IDIGNORE, (IsDlgButtonChecked( hDlg, IDIGNORE ) == BST_CHECKED) ? BST_UNCHECKED : BST_CHECKED ); EnableWindow( GetDlgItem( hDlg, IDNO ), (IsDlgButtonChecked( hDlg, IDIGNORE ) != BST_CHECKED) ); break;
118	case IDNO: EndDialog(hDlg, (IsDlgButtonChecked( hDlg, IDIGNORE ) == BST_CHECKED) ? IDNO\|0x80 : IDNO\|0x00 ); return TRUE;
119	case IDCANCEL:
120	case IDYES: EndDialog(hDlg, (IsDlgButtonChecked( hDlg, IDIGNORE ) == BST_CHECKED) ? IDYES\|0x80 : IDYES\|0x00 ); return TRUE;
121	}
122	break;
123	}
124	return FALSE;
125	}
126
127
128	//--------------------------------------------------------------------------------------
129	CDXUTTimer::CDXUTTimer()
130	{
131	m_bTimerStopped = true;
132	m_llQPFTicksPerSec = 0;
133
134	m_llStopTime = 0;
135	m_llLastElapsedTime = 0;
136	m_llBaseTime = 0;
137
138	// Use QueryPerformanceFrequency to get the frequency of the counter
139	LARGE_INTEGER qwTicksPerSec;
140	QueryPerformanceFrequency( &qwTicksPerSec );
141	m_llQPFTicksPerSec = qwTicksPerSec.QuadPart;
142	}
143
144
145	//--------------------------------------------------------------------------------------
146	void CDXUTTimer::Reset()
147	{
148	LARGE_INTEGER qwTime = GetAdjustedCurrentTime();
149
150	m_llBaseTime = qwTime.QuadPart;
151	m_llLastElapsedTime = qwTime.QuadPart;
152	m_llStopTime = 0;
153	m_bTimerStopped = FALSE;
154	}
155
156
157	//--------------------------------------------------------------------------------------
158	void CDXUTTimer::Start()
159	{
160	// Get the current time
161	LARGE_INTEGER qwTime;
162	QueryPerformanceCounter( &qwTime );
163
164	if( m_bTimerStopped )
165	m_llBaseTime += qwTime.QuadPart - m_llStopTime;
166	m_llStopTime = 0;
167	m_llLastElapsedTime = qwTime.QuadPart;
168	m_bTimerStopped = FALSE;
169	}
170
171
172	//--------------------------------------------------------------------------------------
173	void CDXUTTimer::Stop()
174	{
175	if( !m_bTimerStopped )
176	{
177	LARGE_INTEGER qwTime;
178	QueryPerformanceCounter( &qwTime );
179	m_llStopTime = qwTime.QuadPart;
180	m_llLastElapsedTime = qwTime.QuadPart;
181	m_bTimerStopped = TRUE;
182	}
183	}
184
185
186	//--------------------------------------------------------------------------------------
187	void CDXUTTimer::Advance()
188	{
189	m_llStopTime += m_llQPFTicksPerSec/10;
190	}
191
192
193	//--------------------------------------------------------------------------------------
194	double CDXUTTimer::GetAbsoluteTime()
195	{
196	LARGE_INTEGER qwTime;
197	QueryPerformanceCounter( &qwTime );
198
199	double fTime = qwTime.QuadPart / (double) m_llQPFTicksPerSec;
200
201	return fTime;
202	}
203
204
205	//--------------------------------------------------------------------------------------
206	double CDXUTTimer::GetTime()
207	{
208	LARGE_INTEGER qwTime = GetAdjustedCurrentTime();
209
210	double fAppTime = (double) ( qwTime.QuadPart - m_llBaseTime ) / (double) m_llQPFTicksPerSec;
211
212	return fAppTime;
213	}
214
215
216	//--------------------------------------------------------------------------------------
217	void CDXUTTimer::GetTimeValues( double* pfTime, double* pfAbsoluteTime, float* pfElapsedTime )
218	{
219	assert( pfTime && pfAbsoluteTime && pfElapsedTime );
220
221	LARGE_INTEGER qwTime = GetAdjustedCurrentTime();
222
223	float fElapsedTime = (float) ((double) ( qwTime.QuadPart - m_llLastElapsedTime ) / (double) m_llQPFTicksPerSec);
224	m_llLastElapsedTime = qwTime.QuadPart;
225
226	// Clamp the timer to non-negative values to ensure the timer is accurate.
227	// fElapsedTime can be outside this range if processor goes into a
228	// power save mode or we somehow get shuffled to another processor.
229	// However, the main thread should call SetThreadAffinityMask to ensure that
230	// we don't get shuffled to another processor. Other worker threads should NOT call
231	// SetThreadAffinityMask, but use a shared copy of the timer data gathered from
232	// the main thread.
233	if( fElapsedTime < 0.0f )
234	fElapsedTime = 0.0f;
235
236	*pfAbsoluteTime = qwTime.QuadPart / (double) m_llQPFTicksPerSec;
237	*pfTime = ( qwTime.QuadPart - m_llBaseTime ) / (double) m_llQPFTicksPerSec;
238	*pfElapsedTime = fElapsedTime;
239	}
240
241
242	//--------------------------------------------------------------------------------------
243	double CDXUTTimer::GetElapsedTime()
244	{
245	LARGE_INTEGER qwTime = GetAdjustedCurrentTime();
246
247	double fElapsedTime = (double) ( qwTime.QuadPart - m_llLastElapsedTime ) / (double) m_llQPFTicksPerSec;
248	m_llLastElapsedTime = qwTime.QuadPart;
249
250	// See the explanation about clamping in CDXUTTimer::GetTimeValues()
251	if( fElapsedTime < 0.0f )
252	fElapsedTime = 0.0f;
253
254	return fElapsedTime;
255	}
256
257
258	//--------------------------------------------------------------------------------------
259	// If stopped, returns time when stopped otherwise returns current time
260	//--------------------------------------------------------------------------------------
261	LARGE_INTEGER CDXUTTimer::GetAdjustedCurrentTime()
262	{
263	LARGE_INTEGER qwTime;
264	if( m_llStopTime != 0 )
265	qwTime.QuadPart = m_llStopTime;
266	else
267	QueryPerformanceCounter( &qwTime );
268	return qwTime;
269	}
270
271
272	//--------------------------------------------------------------------------------------
273	bool CDXUTTimer::IsStopped()
274	{
275	return m_bTimerStopped;
276	}
277
278
279	//--------------------------------------------------------------------------------------
280	// Limit the current thread to one processor (the current one). This ensures that timing code
281	// runs on only one processor, and will not suffer any ill effects from power management.
282	// See "Game Timing and Multicore Processors" for more details
283	//--------------------------------------------------------------------------------------
284	void CDXUTTimer::LimitThreadAffinityToCurrentProc()
285	{
286	HANDLE hCurrentProcess = GetCurrentProcess();
287
288	// Get the processor affinity mask for this process
289	DWORD_PTR dwProcessAffinityMask = 0;
290	DWORD_PTR dwSystemAffinityMask = 0;
291
292	if( GetProcessAffinityMask( hCurrentProcess, &dwProcessAffinityMask, &dwSystemAffinityMask ) != 0 && dwProcessAffinityMask )
293	{
294	// Find the lowest processor that our process is allows to run against
295	DWORD_PTR dwAffinityMask = ( dwProcessAffinityMask & ((~dwProcessAffinityMask) + 1 ) );
296
297	// Set this as the processor that our thread must always run against
298	// This must be a subset of the process affinity mask
299	HANDLE hCurrentThread = GetCurrentThread();
300	if( INVALID_HANDLE_VALUE != hCurrentThread )
301	{
302	SetThreadAffinityMask( hCurrentThread, dwAffinityMask );
303	CloseHandle( hCurrentThread );
304	}
305	}
306
307	CloseHandle( hCurrentProcess );
308	}
309
310
311	//--------------------------------------------------------------------------------------
312	// Returns pointer to static media search buffer
313	//--------------------------------------------------------------------------------------
314	WCHAR* DXUTMediaSearchPath()
315	{
316	static WCHAR s_strMediaSearchPath[MAX_PATH] = {0};
317	return s_strMediaSearchPath;
318
319	}
320
321	//--------------------------------------------------------------------------------------
322	LPCWSTR DXUTGetMediaSearchPath()
323	{
324	return DXUTMediaSearchPath();
325	}
326
327
328	//--------------------------------------------------------------------------------------
329	HRESULT DXUTSetMediaSearchPath( LPCWSTR strPath )
330	{
331	HRESULT hr;
332
333	WCHAR* s_strSearchPath = DXUTMediaSearchPath();
334
335	hr = StringCchCopy( s_strSearchPath, MAX_PATH, strPath );
336	if( SUCCEEDED(hr) )
337	{
338	// append slash if needed
339	size_t ch;
340	hr = StringCchLength( s_strSearchPath, MAX_PATH, &ch );
341	if( SUCCEEDED(hr) && s_strSearchPath[ch-1] != L'\\')
342	{
343	hr = StringCchCat( s_strSearchPath, MAX_PATH, L"\\" );
344	}
345	}
346
347	return hr;
348	}
349
350
351	//--------------------------------------------------------------------------------------
352	// Tries to find the location of a SDK media file
353	// cchDest is the size in WCHARs of strDestPath. Be careful not to
354	// pass in sizeof(strDest) on UNICODE builds.
355	//--------------------------------------------------------------------------------------
356	HRESULT DXUTFindDXSDKMediaFileCch( WCHAR* strDestPath, int cchDest, LPCWSTR strFilename )
357	{
358	bool bFound;
359	WCHAR strSearchFor[MAX_PATH];
360
361	if( NULL==strFilename \|\| strFilename[0] == 0 \|\| NULL==strDestPath \|\| cchDest < 10 )
362	return E_INVALIDARG;
363
364	// Get the exe name, and exe path
365	WCHAR strExePath[MAX_PATH] = {0};
366	WCHAR strExeName[MAX_PATH] = {0};
367	WCHAR* strLastSlash = NULL;
368	GetModuleFileName( NULL, strExePath, MAX_PATH );
369	strExePath[MAX_PATH-1]=0;
370	strLastSlash = wcsrchr( strExePath, TEXT('\\') );
371	if( strLastSlash )
372	{
373	StringCchCopy( strExeName, MAX_PATH, &strLastSlash[1] );
374
375	// Chop the exe name from the exe path
376	*strLastSlash = 0;
377
378	// Chop the .exe from the exe name
379	strLastSlash = wcsrchr( strExeName, TEXT('.') );
380	if( strLastSlash )
381	*strLastSlash = 0;
382	}
383
384	// Typical directories:
385	// .\
386	// ..\
387	// ..\..\
388	// %EXE_DIR%\
389	// %EXE_DIR%\..\
390	// %EXE_DIR%\..\..\
391	// %EXE_DIR%\..\%EXE_NAME%
392	// %EXE_DIR%\..\..\%EXE_NAME%
393
394	// Typical directory search
395	bFound = DXUTFindMediaSearchTypicalDirs( strDestPath, cchDest, strFilename, strExePath, strExeName );
396	if( bFound )
397	return S_OK;
398
399	// Typical directory search again, but also look in a subdir called "\media\"
400	StringCchPrintf( strSearchFor, MAX_PATH, L"media\\%s", strFilename );
401	bFound = DXUTFindMediaSearchTypicalDirs( strDestPath, cchDest, strSearchFor, strExePath, strExeName );
402	if( bFound )
403	return S_OK;
404
405	WCHAR strLeafName[MAX_PATH] = {0};
406
407	// Search all parent directories starting at .\ and using strFilename as the leaf name
408	StringCchCopy( strLeafName, MAX_PATH, strFilename );
409	bFound = DXUTFindMediaSearchParentDirs( strDestPath, cchDest, L".", strLeafName );
410	if( bFound )
411	return S_OK;
412
413	// Search all parent directories starting at the exe's dir and using strFilename as the leaf name
414	bFound = DXUTFindMediaSearchParentDirs( strDestPath, cchDest, strExePath, strLeafName );
415	if( bFound )
416	return S_OK;
417
418	// Search all parent directories starting at .\ and using "media\strFilename" as the leaf name
419	StringCchPrintf( strLeafName, MAX_PATH, L"media\\%s", strFilename );
420	bFound = DXUTFindMediaSearchParentDirs( strDestPath, cchDest, L".", strLeafName );
421	if( bFound )
422	return S_OK;
423
424	// Search all parent directories starting at the exe's dir and using "media\strFilename" as the leaf name
425	bFound = DXUTFindMediaSearchParentDirs( strDestPath, cchDest, strExePath, strLeafName );
426	if( bFound )
427	return S_OK;
428
429	// On failure, return the file as the path but also return an error code
430	StringCchCopy( strDestPath, cchDest, strFilename );
431
432	return DXUTERR_MEDIANOTFOUND;
433	}
434
435
436	//--------------------------------------------------------------------------------------
437	// Search a set of typical directories
438	//--------------------------------------------------------------------------------------
439	bool DXUTFindMediaSearchTypicalDirs( WCHAR* strSearchPath, int cchSearch, LPCWSTR strLeaf,
440	WCHAR* strExePath, WCHAR* strExeName )
441	{
442	// Typical directories:
443	// .\
444	// ..\
445	// ..\..\
446	// %EXE_DIR%\
447	// %EXE_DIR%\..\
448	// %EXE_DIR%\..\..\
449	// %EXE_DIR%\..\%EXE_NAME%
450	// %EXE_DIR%\..\..\%EXE_NAME%
451	// DXSDK media path
452
453	// Search in .\
454	StringCchCopy( strSearchPath, cchSearch, strLeaf );
455	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
456	return true;
457
458	// Search in ..\
459	StringCchPrintf( strSearchPath, cchSearch, L"..\\%s", strLeaf );
460	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
461	return true;
462
463	// Search in ..\..\
464	StringCchPrintf( strSearchPath, cchSearch, L"..\\..\\%s", strLeaf );
465	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
466	return true;
467
468	// Search in ..\..\
469	StringCchPrintf( strSearchPath, cchSearch, L"..\\..\\%s", strLeaf );
470	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
471	return true;
472
473	// Search in the %EXE_DIR%\
474	StringCchPrintf( strSearchPath, cchSearch, L"%s\\%s", strExePath, strLeaf );
475	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
476	return true;
477
478	// Search in the %EXE_DIR%\..\
479	StringCchPrintf( strSearchPath, cchSearch, L"%s\\..\\%s", strExePath, strLeaf );
480	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
481	return true;
482
483	// Search in the %EXE_DIR%\..\..\
484	StringCchPrintf( strSearchPath, cchSearch, L"%s\\..\\..\\%s", strExePath, strLeaf );
485	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
486	return true;
487
488	// Search in "%EXE_DIR%\..\%EXE_NAME%\". This matches the DirectX SDK layout
489	StringCchPrintf( strSearchPath, cchSearch, L"%s\\..\\%s\\%s", strExePath, strExeName, strLeaf );
490	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
491	return true;
492
493	// Search in "%EXE_DIR%\..\..\%EXE_NAME%\". This matches the DirectX SDK layout
494	StringCchPrintf( strSearchPath, cchSearch, L"%s\\..\\..\\%s\\%s", strExePath, strExeName, strLeaf );
495	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
496	return true;
497
498	// Search in media search dir
499	WCHAR* s_strSearchPath = DXUTMediaSearchPath();
500	if( s_strSearchPath[0] != 0 )
501	{
502	StringCchPrintf( strSearchPath, cchSearch, L"%s%s", s_strSearchPath, strLeaf );
503	if( GetFileAttributes( strSearchPath ) != 0xFFFFFFFF )
504	return true;
505	}
506
507	return false;
508	}
509
510
511
512	//--------------------------------------------------------------------------------------
513	// Search parent directories starting at strStartAt, and appending strLeafName
514	// at each parent directory. It stops at the root directory.
515	//--------------------------------------------------------------------------------------
516	bool DXUTFindMediaSearchParentDirs( WCHAR* strSearchPath, int cchSearch, WCHAR* strStartAt, WCHAR* strLeafName )
517	{
518	WCHAR strFullPath[MAX_PATH] = {0};
519	WCHAR strFullFileName[MAX_PATH] = {0};
520	WCHAR strSearch[MAX_PATH] = {0};
521	WCHAR* strFilePart = NULL;
522
523	GetFullPathName( strStartAt, MAX_PATH, strFullPath, &strFilePart );
524	if( strFilePart == NULL )
525	return false;
526
527	while( strFilePart != NULL && *strFilePart != '\0' )
528	{
529	StringCchPrintf( strFullFileName, MAX_PATH, L"%s\\%s", strFullPath, strLeafName );
530	if( GetFileAttributes( strFullFileName ) != 0xFFFFFFFF )
531	{
532	StringCchCopy( strSearchPath, cchSearch, strFullFileName );
533	return true;
534	}
535
536	StringCchPrintf( strSearch, MAX_PATH, L"%s\\..", strFullPath );
537	GetFullPathName( strSearch, MAX_PATH, strFullPath, &strFilePart );
538	}
539
540	return false;
541	}
542
543
544	//--------------------------------------------------------------------------------------
545	// CDXUTResourceCache
546	//--------------------------------------------------------------------------------------
547
548
549	CDXUTResourceCache::~CDXUTResourceCache()
550	{
551	OnDestroyDevice();
552
553	m_TextureCache.RemoveAll();
554	m_EffectCache.RemoveAll();
555	m_FontCache.RemoveAll();
556	}
557
558
559	HRESULT CDXUTResourceCache::CreateTextureFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, LPDIRECT3DTEXTURE9 *ppTexture )
560	{
561	return CreateTextureFromFileEx( pDevice, pSrcFile, D3DX_DEFAULT, D3DX_DEFAULT, D3DX_DEFAULT,
562	0, D3DFMT_UNKNOWN, D3DPOOL_MANAGED, D3DX_DEFAULT, D3DX_DEFAULT,
563	0, NULL, NULL, ppTexture );
564	}
565
566
567	//--------------------------------------------------------------------------------------
568	HRESULT CDXUTResourceCache::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 )
569	{
570	// Search the cache for a matching entry.
571	for( int i = 0; i < m_TextureCache.GetSize(); ++i )
572	{
573	DXUTCache_Texture &Entry = m_TextureCache[i];
574	if( Entry.Location == DXUTCACHE_LOCATION_FILE &&
575	!lstrcmpW( Entry.wszSource, pSrcFile ) &&
576	Entry.Width == Width &&
577	Entry.Height == Height &&
578	Entry.MipLevels == MipLevels &&
579	Entry.Usage == Usage &&
580	Entry.Format == Format &&
581	Entry.Pool == Pool &&
582	Entry.Type == D3DRTYPE_TEXTURE )
583	{
584	// A match is found. Obtain the IDirect3DTexture9 interface and return that.
585	return Entry.pTexture->QueryInterface( IID_IDirect3DTexture9, (LPVOID*)ppTexture );
586	}
587	}
588
589	HRESULT hr;
590
591	// No matching entry. Load the resource and create a new entry.
592	hr = D3DXCreateTextureFromFileEx( pDevice, pSrcFile, Width, Height, MipLevels, Usage, Format,
593	Pool, Filter, MipFilter, ColorKey, pSrcInfo, pPalette, ppTexture );
594	if( FAILED( hr ) )
595	return hr;
596
597	DXUTCache_Texture NewEntry;
598	NewEntry.Location = DXUTCACHE_LOCATION_FILE;
599	StringCchCopy( NewEntry.wszSource, MAX_PATH, pSrcFile );
600	NewEntry.Width = Width;
601	NewEntry.Height = Height;
602	NewEntry.MipLevels = MipLevels;
603	NewEntry.Usage = Usage;
604	NewEntry.Format = Format;
605	NewEntry.Pool = Pool;
606	NewEntry.Type = D3DRTYPE_TEXTURE;
607	(ppTexture)->QueryInterface( IID_IDirect3DBaseTexture9, (LPVOID)&NewEntry.pTexture );
608
609	m_TextureCache.Add( NewEntry );
610	return S_OK;
611	}
612
613
614	//--------------------------------------------------------------------------------------
615	HRESULT CDXUTResourceCache::CreateTextureFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, LPDIRECT3DTEXTURE9 *ppTexture )
616	{
617	return CreateTextureFromResourceEx( pDevice, hSrcModule, pSrcResource, D3DX_DEFAULT, D3DX_DEFAULT,
618	D3DX_DEFAULT, 0, D3DFMT_UNKNOWN, D3DPOOL_MANAGED, D3DX_DEFAULT,
619	D3DX_DEFAULT, 0, NULL, NULL, ppTexture );
620	}
621
622
623	//--------------------------------------------------------------------------------------
624	HRESULT CDXUTResourceCache::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 )
625	{
626	// Search the cache for a matching entry.
627	for( int i = 0; i < m_TextureCache.GetSize(); ++i )
628	{
629	DXUTCache_Texture &Entry = m_TextureCache[i];
630	if( Entry.Location == DXUTCACHE_LOCATION_RESOURCE &&
631	Entry.hSrcModule == hSrcModule &&
632	!lstrcmpW( Entry.wszSource, pSrcResource ) &&
633	Entry.Width == Width &&
634	Entry.Height == Height &&
635	Entry.MipLevels == MipLevels &&
636	Entry.Usage == Usage &&
637	Entry.Format == Format &&
638	Entry.Pool == Pool &&
639	Entry.Type == D3DRTYPE_TEXTURE )
640	{
641	// A match is found. Obtain the IDirect3DTexture9 interface and return that.
642	return Entry.pTexture->QueryInterface( IID_IDirect3DTexture9, (LPVOID*)ppTexture );
643	}
644	}
645
646	HRESULT hr;
647
648	// No matching entry. Load the resource and create a new entry.
649	hr = D3DXCreateTextureFromResourceEx( pDevice, hSrcModule, pSrcResource, Width, Height, MipLevels, Usage,
650	Format, Pool, Filter, MipFilter, ColorKey, pSrcInfo, pPalette, ppTexture );
651	if( FAILED( hr ) )
652	return hr;
653
654	DXUTCache_Texture NewEntry;
655	NewEntry.Location = DXUTCACHE_LOCATION_RESOURCE;
656	NewEntry.hSrcModule = hSrcModule;
657	StringCchCopy( NewEntry.wszSource, MAX_PATH, pSrcResource );
658	NewEntry.Width = Width;
659	NewEntry.Height = Height;
660	NewEntry.MipLevels = MipLevels;
661	NewEntry.Usage = Usage;
662	NewEntry.Format = Format;
663	NewEntry.Pool = Pool;
664	NewEntry.Type = D3DRTYPE_TEXTURE;
665	(ppTexture)->QueryInterface( IID_IDirect3DBaseTexture9, (LPVOID)&NewEntry.pTexture );
666
667	m_TextureCache.Add( NewEntry );
668	return S_OK;
669	}
670
671
672	//--------------------------------------------------------------------------------------
673	HRESULT CDXUTResourceCache::CreateCubeTextureFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, LPDIRECT3DCUBETEXTURE9 *ppCubeTexture )
674	{
675	return CreateCubeTextureFromFileEx( pDevice, pSrcFile, D3DX_DEFAULT, D3DX_DEFAULT, 0,
676	D3DFMT_UNKNOWN, D3DPOOL_MANAGED, D3DX_DEFAULT, D3DX_DEFAULT,
677	0, NULL, NULL, ppCubeTexture );
678	}
679
680
681	//--------------------------------------------------------------------------------------
682	HRESULT CDXUTResourceCache::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 )
683	{
684	// Search the cache for a matching entry.
685	for( int i = 0; i < m_TextureCache.GetSize(); ++i )
686	{
687	DXUTCache_Texture &Entry = m_TextureCache[i];
688	if( Entry.Location == DXUTCACHE_LOCATION_FILE &&
689	!lstrcmpW( Entry.wszSource, pSrcFile ) &&
690	Entry.Width == Size &&
691	Entry.MipLevels == MipLevels &&
692	Entry.Usage == Usage &&
693	Entry.Format == Format &&
694	Entry.Pool == Pool &&
695	Entry.Type == D3DRTYPE_CUBETEXTURE )
696	{
697	// A match is found. Obtain the IDirect3DCubeTexture9 interface and return that.
698	return Entry.pTexture->QueryInterface( IID_IDirect3DCubeTexture9, (LPVOID*)ppCubeTexture );
699	}
700	}
701
702	HRESULT hr;
703
704	// No matching entry. Load the resource and create a new entry.
705	hr = D3DXCreateCubeTextureFromFileEx( pDevice, pSrcFile, Size, MipLevels, Usage, Format, Pool, Filter,
706	MipFilter, ColorKey, pSrcInfo, pPalette, ppCubeTexture );
707	if( FAILED( hr ) )
708	return hr;
709
710	DXUTCache_Texture NewEntry;
711	NewEntry.Location = DXUTCACHE_LOCATION_FILE;
712	StringCchCopy( NewEntry.wszSource, MAX_PATH, pSrcFile );
713	NewEntry.Width = Size;
714	NewEntry.MipLevels = MipLevels;
715	NewEntry.Usage = Usage;
716	NewEntry.Format = Format;
717	NewEntry.Pool = Pool;
718	NewEntry.Type = D3DRTYPE_CUBETEXTURE;
719	(ppCubeTexture)->QueryInterface( IID_IDirect3DBaseTexture9, (LPVOID)&NewEntry.pTexture );
720
721	m_TextureCache.Add( NewEntry );
722	return S_OK;
723	}
724
725
726	//--------------------------------------------------------------------------------------
727	HRESULT CDXUTResourceCache::CreateCubeTextureFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, LPDIRECT3DCUBETEXTURE9 *ppCubeTexture )
728	{
729	return CreateCubeTextureFromResourceEx( pDevice, hSrcModule, pSrcResource, D3DX_DEFAULT, D3DX_DEFAULT,
730	0, D3DFMT_UNKNOWN, D3DPOOL_MANAGED, D3DX_DEFAULT, D3DX_DEFAULT,
731	0, NULL, NULL, ppCubeTexture );
732	}
733
734
735	//--------------------------------------------------------------------------------------
736	HRESULT CDXUTResourceCache::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 )
737	{
738	// Search the cache for a matching entry.
739	for( int i = 0; i < m_TextureCache.GetSize(); ++i )
740	{
741	DXUTCache_Texture &Entry = m_TextureCache[i];
742	if( Entry.Location == DXUTCACHE_LOCATION_RESOURCE &&
743	Entry.hSrcModule == hSrcModule &&
744	!lstrcmpW( Entry.wszSource, pSrcResource ) &&
745	Entry.Width == Size &&
746	Entry.MipLevels == MipLevels &&
747	Entry.Usage == Usage &&
748	Entry.Format == Format &&
749	Entry.Pool == Pool &&
750	Entry.Type == D3DRTYPE_CUBETEXTURE )
751	{
752	// A match is found. Obtain the IDirect3DCubeTexture9 interface and return that.
753	return Entry.pTexture->QueryInterface( IID_IDirect3DCubeTexture9, (LPVOID*)ppCubeTexture );
754	}
755	}
756
757	HRESULT hr;
758
759	// No matching entry. Load the resource and create a new entry.
760	hr = D3DXCreateCubeTextureFromResourceEx( pDevice, hSrcModule, pSrcResource, Size, MipLevels, Usage, Format,
761	Pool, Filter, MipFilter, ColorKey, pSrcInfo, pPalette, ppCubeTexture );
762	if( FAILED( hr ) )
763	return hr;
764
765	DXUTCache_Texture NewEntry;
766	NewEntry.Location = DXUTCACHE_LOCATION_RESOURCE;
767	NewEntry.hSrcModule = hSrcModule;
768	StringCchCopy( NewEntry.wszSource, MAX_PATH, pSrcResource );
769	NewEntry.Width = Size;
770	NewEntry.MipLevels = MipLevels;
771	NewEntry.Usage = Usage;
772	NewEntry.Format = Format;
773	NewEntry.Pool = Pool;
774	NewEntry.Type = D3DRTYPE_CUBETEXTURE;
775	(ppCubeTexture)->QueryInterface( IID_IDirect3DBaseTexture9, (LPVOID)&NewEntry.pTexture );
776
777	m_TextureCache.Add( NewEntry );
778	return S_OK;
779	}
780
781
782	//--------------------------------------------------------------------------------------
783	HRESULT CDXUTResourceCache::CreateVolumeTextureFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, LPDIRECT3DVOLUMETEXTURE9 *ppVolumeTexture )
784	{
785	return CreateVolumeTextureFromFileEx( pDevice, pSrcFile, D3DX_DEFAULT, D3DX_DEFAULT, D3DX_DEFAULT, D3DX_DEFAULT,
786	0, D3DFMT_UNKNOWN, D3DPOOL_MANAGED, D3DX_DEFAULT, D3DX_DEFAULT,
787	0, NULL, NULL, ppVolumeTexture );
788	}
789
790
791	//--------------------------------------------------------------------------------------
792	HRESULT CDXUTResourceCache::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 )
793	{
794	// Search the cache for a matching entry.
795	for( int i = 0; i < m_TextureCache.GetSize(); ++i )
796	{
797	DXUTCache_Texture &Entry = m_TextureCache[i];
798	if( Entry.Location == DXUTCACHE_LOCATION_FILE &&
799	!lstrcmpW( Entry.wszSource, pSrcFile ) &&
800	Entry.Width == Width &&
801	Entry.Height == Height &&
802	Entry.Depth == Depth &&
803	Entry.MipLevels == MipLevels &&
804	Entry.Usage == Usage &&
805	Entry.Format == Format &&
806	Entry.Pool == Pool &&
807	Entry.Type == D3DRTYPE_VOLUMETEXTURE )
808	{
809	// A match is found. Obtain the IDirect3DVolumeTexture9 interface and return that.
810	return Entry.pTexture->QueryInterface( IID_IDirect3DVolumeTexture9, (LPVOID*)ppTexture );
811	}
812	}
813
814	HRESULT hr;
815
816	// No matching entry. Load the resource and create a new entry.
817	hr = D3DXCreateVolumeTextureFromFileEx( pDevice, pSrcFile, Width, Height, Depth, MipLevels, Usage, Format,
818	Pool, Filter, MipFilter, ColorKey, pSrcInfo, pPalette, ppTexture );
819	if( FAILED( hr ) )
820	return hr;
821
822	DXUTCache_Texture NewEntry;
823	NewEntry.Location = DXUTCACHE_LOCATION_FILE;
824	StringCchCopy( NewEntry.wszSource, MAX_PATH, pSrcFile );
825	NewEntry.Width = Width;
826	NewEntry.Height = Height;
827	NewEntry.Depth = Depth;
828	NewEntry.MipLevels = MipLevels;
829	NewEntry.Usage = Usage;
830	NewEntry.Format = Format;
831	NewEntry.Pool = Pool;
832	NewEntry.Type = D3DRTYPE_VOLUMETEXTURE;
833	(ppTexture)->QueryInterface( IID_IDirect3DBaseTexture9, (LPVOID)&NewEntry.pTexture );
834
835	m_TextureCache.Add( NewEntry );
836	return S_OK;
837	}
838
839
840	//--------------------------------------------------------------------------------------
841	HRESULT CDXUTResourceCache::CreateVolumeTextureFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, LPDIRECT3DVOLUMETEXTURE9 *ppVolumeTexture )
842	{
843	return CreateVolumeTextureFromResourceEx( pDevice, hSrcModule, pSrcResource, D3DX_DEFAULT, D3DX_DEFAULT,
844	D3DX_DEFAULT, D3DX_DEFAULT, 0, D3DFMT_UNKNOWN, D3DPOOL_MANAGED,
845	D3DX_DEFAULT, D3DX_DEFAULT, 0, NULL, NULL, ppVolumeTexture );
846	}
847
848
849	//--------------------------------------------------------------------------------------
850	HRESULT CDXUTResourceCache::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 )
851	{
852	// Search the cache for a matching entry.
853	for( int i = 0; i < m_TextureCache.GetSize(); ++i )
854	{
855	DXUTCache_Texture &Entry = m_TextureCache[i];
856	if( Entry.Location == DXUTCACHE_LOCATION_RESOURCE &&
857	Entry.hSrcModule == hSrcModule &&
858	!lstrcmpW( Entry.wszSource, pSrcResource ) &&
859	Entry.Width == Width &&
860	Entry.Height == Height &&
861	Entry.Depth == Depth &&
862	Entry.MipLevels == MipLevels &&
863	Entry.Usage == Usage &&
864	Entry.Format == Format &&
865	Entry.Pool == Pool &&
866	Entry.Type == D3DRTYPE_VOLUMETEXTURE )
867	{
868	// A match is found. Obtain the IDirect3DVolumeTexture9 interface and return that.
869	return Entry.pTexture->QueryInterface( IID_IDirect3DVolumeTexture9, (LPVOID*)ppVolumeTexture );
870	}
871	}
872
873	HRESULT hr;
874
875	// No matching entry. Load the resource and create a new entry.
876	hr = D3DXCreateVolumeTextureFromResourceEx( pDevice, hSrcModule, pSrcResource, Width, Height, Depth, MipLevels, Usage,
877	Format, Pool, Filter, MipFilter, ColorKey, pSrcInfo, pPalette, ppVolumeTexture );
878	if( FAILED( hr ) )
879	return hr;
880
881	DXUTCache_Texture NewEntry;
882	NewEntry.Location = DXUTCACHE_LOCATION_RESOURCE;
883	NewEntry.hSrcModule = hSrcModule;
884	StringCchCopy( NewEntry.wszSource, MAX_PATH, pSrcResource );
885	NewEntry.Width = Width;
886	NewEntry.Height = Height;
887	NewEntry.Depth = Depth;
888	NewEntry.MipLevels = MipLevels;
889	NewEntry.Usage = Usage;
890	NewEntry.Format = Format;
891	NewEntry.Pool = Pool;
892	NewEntry.Type = D3DRTYPE_VOLUMETEXTURE;
893	(ppVolumeTexture)->QueryInterface( IID_IDirect3DBaseTexture9, (LPVOID)&NewEntry.pTexture );
894
895	m_TextureCache.Add( NewEntry );
896	return S_OK;
897	}
898
899
900	//--------------------------------------------------------------------------------------
901	HRESULT CDXUTResourceCache::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 )
902	{
903	D3DXFONT_DESCW Desc;
904
905	Desc.Height = Height;
906	Desc.Width = Width;
907	Desc.Weight = Weight;
908	Desc.MipLevels = MipLevels;
909	Desc.Italic = Italic;
910	Desc.CharSet = (BYTE)CharSet;
911	Desc.OutputPrecision = (BYTE)OutputPrecision;
912	Desc.Quality = (BYTE)Quality;
913	Desc.PitchAndFamily = (BYTE)PitchAndFamily;
914	StringCchCopy( Desc.FaceName, LF_FACESIZE, pFacename );
915
916	return CreateFontIndirect( pDevice, &Desc, ppFont );
917	}
918
919
920	//--------------------------------------------------------------------------------------
921	HRESULT CDXUTResourceCache::CreateFontIndirect( LPDIRECT3DDEVICE9 pDevice, CONST D3DXFONT_DESC pDesc, LPD3DXFONT ppFont )
922	{
923	// Search the cache for a matching entry.
924	for( int i = 0; i < m_FontCache.GetSize(); ++i )
925	{
926	DXUTCache_Font &Entry = m_FontCache[i];
927
928	if( Entry.Width == pDesc->Width &&
929	Entry.Height == pDesc->Height &&
930	Entry.Weight == pDesc->Weight &&
931	Entry.MipLevels == pDesc->MipLevels &&
932	Entry.Italic == pDesc->Italic &&
933	Entry.CharSet == pDesc->CharSet &&
934	Entry.OutputPrecision == pDesc->OutputPrecision &&
935	Entry.Quality == pDesc->Quality &&
936	Entry.PitchAndFamily == pDesc->PitchAndFamily &&
937	CompareString( LOCALE_USER_DEFAULT, NORM_IGNORECASE,
938	Entry.FaceName, -1,
939	pDesc->FaceName, -1 ) == CSTR_EQUAL )
940	{
941	// A match is found. Increment the reference and return the ID3DXFont object.
942	Entry.pFont->AddRef();
943	*ppFont = Entry.pFont;
944	return S_OK;
945	}
946	}
947
948	HRESULT hr;
949
950	// No matching entry. Load the resource and create a new entry.
951	hr = D3DXCreateFontIndirect( pDevice, pDesc, ppFont );
952	if( FAILED( hr ) )
953	return hr;
954
955	DXUTCache_Font NewEntry;
956	(D3DXFONT_DESC &)NewEntry = *pDesc;
957	NewEntry.pFont = *ppFont;
958	NewEntry.pFont->AddRef();
959
960	m_FontCache.Add( NewEntry );
961	return S_OK;
962	}
963
964
965	//--------------------------------------------------------------------------------------
966	HRESULT CDXUTResourceCache::CreateEffectFromFile( LPDIRECT3DDEVICE9 pDevice, LPCTSTR pSrcFile, const D3DXMACRO pDefines, LPD3DXINCLUDE pInclude, DWORD Flags, LPD3DXEFFECTPOOL pPool, LPD3DXEFFECT ppEffect, LPD3DXBUFFER *ppCompilationErrors )
967	{
968	// Search the cache for a matching entry.
969	for( int i = 0; i < m_EffectCache.GetSize(); ++i )
970	{
971	DXUTCache_Effect &Entry = m_EffectCache[i];
972
973	if( Entry.Location == DXUTCACHE_LOCATION_FILE &&
974	!lstrcmpW( Entry.wszSource, pSrcFile ) &&
975	Entry.dwFlags == Flags )
976	{
977	// A match is found. Increment the ref coutn and return the ID3DXEffect object.
978	*ppEffect = Entry.pEffect;
979	(*ppEffect)->AddRef();
980	return S_OK;
981	}
982	}
983
984	HRESULT hr;
985
986	// No matching entry. Load the resource and create a new entry.
987	hr = D3DXCreateEffectFromFile( pDevice, pSrcFile, pDefines, pInclude, Flags, pPool, ppEffect, ppCompilationErrors );
988	if( FAILED( hr ) )
989	return hr;
990
991	DXUTCache_Effect NewEntry;
992	NewEntry.Location = DXUTCACHE_LOCATION_FILE;
993	StringCchCopy( NewEntry.wszSource, MAX_PATH, pSrcFile );
994	NewEntry.dwFlags = Flags;
995	NewEntry.pEffect = *ppEffect;
996	NewEntry.pEffect->AddRef();
997
998	m_EffectCache.Add( NewEntry );
999	return S_OK;
1000	}
1001
1002
1003	//--------------------------------------------------------------------------------------
1004	HRESULT CDXUTResourceCache::CreateEffectFromResource( LPDIRECT3DDEVICE9 pDevice, HMODULE hSrcModule, LPCTSTR pSrcResource, const D3DXMACRO pDefines, LPD3DXINCLUDE pInclude, DWORD Flags, LPD3DXEFFECTPOOL pPool, LPD3DXEFFECT ppEffect, LPD3DXBUFFER *ppCompilationErrors )
1005	{
1006	// Search the cache for a matching entry.
1007	for( int i = 0; i < m_EffectCache.GetSize(); ++i )
1008	{
1009	DXUTCache_Effect &Entry = m_EffectCache[i];
1010
1011	if( Entry.Location == DXUTCACHE_LOCATION_RESOURCE &&
1012	Entry.hSrcModule == hSrcModule &&
1013	!lstrcmpW( Entry.wszSource, pSrcResource ) &&
1014	Entry.dwFlags == Flags )
1015	{
1016	// A match is found. Increment the ref coutn and return the ID3DXEffect object.
1017	*ppEffect = Entry.pEffect;
1018	(*ppEffect)->AddRef();
1019	return S_OK;
1020	}
1021	}
1022
1023	HRESULT hr;
1024
1025	// No matching entry. Load the resource and create a new entry.
1026	hr = D3DXCreateEffectFromResource( pDevice, hSrcModule, pSrcResource, pDefines, pInclude, Flags,
1027	pPool, ppEffect, ppCompilationErrors );
1028	if( FAILED( hr ) )
1029	return hr;
1030
1031	DXUTCache_Effect NewEntry;
1032	NewEntry.Location = DXUTCACHE_LOCATION_RESOURCE;
1033	NewEntry.hSrcModule = hSrcModule;
1034	StringCchCopy( NewEntry.wszSource, MAX_PATH, pSrcResource );
1035	NewEntry.dwFlags = Flags;
1036	NewEntry.pEffect = *ppEffect;
1037	NewEntry.pEffect->AddRef();
1038
1039	m_EffectCache.Add( NewEntry );
1040	return S_OK;
1041	}
1042
1043
1044	//--------------------------------------------------------------------------------------
1045	// Device event callbacks
1046	//--------------------------------------------------------------------------------------
1047
1048
1049	//--------------------------------------------------------------------------------------
1050	HRESULT CDXUTResourceCache::OnCreateDevice( IDirect3DDevice9 *pd3dDevice )
1051	{
1052	return S_OK;
1053	}
1054
1055
1056	//--------------------------------------------------------------------------------------
1057	HRESULT CDXUTResourceCache::OnResetDevice( IDirect3DDevice9 *pd3dDevice )
1058	{
1059	// Call OnResetDevice on all effect and font objects
1060	for( int i = 0; i < m_EffectCache.GetSize(); ++i )
1061	m_EffectCache[i].pEffect->OnResetDevice();
1062	for( int i = 0; i < m_FontCache.GetSize(); ++i )
1063	m_FontCache[i].pFont->OnResetDevice();
1064
1065
1066	return S_OK;
1067	}
1068
1069
1070	//--------------------------------------------------------------------------------------
1071	HRESULT CDXUTResourceCache::OnLostDevice()
1072	{
1073	// Call OnLostDevice on all effect and font objects
1074	for( int i = 0; i < m_EffectCache.GetSize(); ++i )
1075	m_EffectCache[i].pEffect->OnLostDevice();
1076	for( int i = 0; i < m_FontCache.GetSize(); ++i )
1077	m_FontCache[i].pFont->OnLostDevice();
1078
1079	// Release all the default pool textures
1080	for( int i = m_TextureCache.GetSize() - 1; i >= 0; --i )
1081	if( m_TextureCache[i].Pool == D3DPOOL_DEFAULT )
1082	{
1083	SAFE_RELEASE( m_TextureCache[i].pTexture );
1084	m_TextureCache.Remove( i ); // Remove the entry
1085	}
1086
1087	return S_OK;
1088	}
1089
1090
1091	//--------------------------------------------------------------------------------------
1092	HRESULT CDXUTResourceCache::OnDestroyDevice()
1093	{
1094	// Release all resources
1095	for( int i = m_EffectCache.GetSize() - 1; i >= 0; --i )
1096	{
1097	SAFE_RELEASE( m_EffectCache[i].pEffect );
1098	m_EffectCache.Remove( i );
1099	}
1100	for( int i = m_FontCache.GetSize() - 1; i >= 0; --i )
1101	{
1102	SAFE_RELEASE( m_FontCache[i].pFont );
1103	m_FontCache.Remove( i );
1104	}
1105	for( int i = m_TextureCache.GetSize() - 1; i >= 0; --i )
1106	{
1107	SAFE_RELEASE( m_TextureCache[i].pTexture );
1108	m_TextureCache.Remove( i );
1109	}
1110
1111	return S_OK;
1112	}
1113
1114
1115	//--------------------------------------------------------------------------------------
1116	CD3DArcBall::CD3DArcBall()
1117	{
1118	Reset();
1119	m_vDownPt = D3DXVECTOR3(0,0,0);
1120	m_vCurrentPt = D3DXVECTOR3(0,0,0);
1121	m_Offset.x = m_Offset.y = 0;
1122
1123	RECT rc;
1124	GetClientRect( GetForegroundWindow(), &rc );
1125	SetWindow( rc.right, rc.bottom );
1126	}
1127
1128
1129
1130
1131
1132	//--------------------------------------------------------------------------------------
1133	void CD3DArcBall::Reset()
1134	{
1135	D3DXQuaternionIdentity( &m_qDown );
1136	D3DXQuaternionIdentity( &m_qNow );
1137	D3DXMatrixIdentity( &m_mRotation );
1138	D3DXMatrixIdentity( &m_mTranslation );
1139	D3DXMatrixIdentity( &m_mTranslationDelta );
1140	m_bDrag = FALSE;
1141	m_fRadiusTranslation = 1.0f;
1142	m_fRadius = 1.0f;
1143	}
1144
1145
1146
1147
1148	//--------------------------------------------------------------------------------------
1149	D3DXVECTOR3 CD3DArcBall::ScreenToVector( float fScreenPtX, float fScreenPtY )
1150	{
1151	// Scale to screen
1152	FLOAT x = -(fScreenPtX - m_Offset.x - m_nWidth/2) / (m_fRadius*m_nWidth/2);
1153	FLOAT y = (fScreenPtY - m_Offset.y - m_nHeight/2) / (m_fRadius*m_nHeight/2);
1154
1155	FLOAT z = 0.0f;
1156	FLOAT mag = xx + yy;
1157
1158	if( mag > 1.0f )
1159	{
1160	FLOAT scale = 1.0f/sqrtf(mag);
1161	x *= scale;
1162	y *= scale;
1163	}
1164	else
1165	z = sqrtf( 1.0f - mag );
1166
1167	// Return vector
1168	return D3DXVECTOR3( x, y, z );
1169	}
1170
1171
1172
1173
1174	//--------------------------------------------------------------------------------------
1175	D3DXQUATERNION CD3DArcBall::QuatFromBallPoints(const D3DXVECTOR3 &vFrom, const D3DXVECTOR3 &vTo)
1176	{
1177	D3DXVECTOR3 vPart;
1178	float fDot = D3DXVec3Dot(&vFrom, &vTo);
1179	D3DXVec3Cross(&vPart, &vFrom, &vTo);
1180
1181	return D3DXQUATERNION(vPart.x, vPart.y, vPart.z, fDot);
1182	}
1183
1184
1185
1186
1187	//--------------------------------------------------------------------------------------
1188	void CD3DArcBall::OnBegin( int nX, int nY )
1189	{
1190	// Only enter the drag state if the click falls
1191	// inside the click rectangle.
1192	if( nX >= m_Offset.x &&
1193	nX < m_Offset.x + m_nWidth &&
1194	nY >= m_Offset.y &&
1195	nY < m_Offset.y + m_nHeight )
1196	{
1197	m_bDrag = true;
1198	m_qDown = m_qNow;
1199	m_vDownPt = ScreenToVector( (float)nX, (float)nY );
1200	}
1201	}
1202
1203
1204
1205
1206	//--------------------------------------------------------------------------------------
1207	void CD3DArcBall::OnMove( int nX, int nY )
1208	{
1209	if (m_bDrag)
1210	{
1211	m_vCurrentPt = ScreenToVector( (float)nX, (float)nY );
1212	m_qNow = m_qDown * QuatFromBallPoints( m_vDownPt, m_vCurrentPt );
1213	}
1214	}
1215
1216
1217
1218
1219	//--------------------------------------------------------------------------------------
1220	void CD3DArcBall::OnEnd()
1221	{
1222	m_bDrag = false;
1223	}
1224
1225
1226
1227
1228	//--------------------------------------------------------------------------------------
1229	// Desc:
1230	//--------------------------------------------------------------------------------------
1231	LRESULT CD3DArcBall::HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
1232	{
1233	// Current mouse position
1234	int iMouseX = (short)LOWORD(lParam);
1235	int iMouseY = (short)HIWORD(lParam);
1236
1237	switch( uMsg )
1238	{
1239	case WM_LBUTTONDOWN:
1240	case WM_LBUTTONDBLCLK:
1241	SetCapture( hWnd );
1242	OnBegin( iMouseX, iMouseY );
1243	return TRUE;
1244
1245	case WM_LBUTTONUP:
1246	ReleaseCapture();
1247	OnEnd();
1248	return TRUE;
1249
1250	case WM_CAPTURECHANGED:
1251	if( (HWND)lParam != hWnd )
1252	{
1253	ReleaseCapture();
1254	OnEnd();
1255	}
1256	return TRUE;
1257
1258	case WM_RBUTTONDOWN:
1259	case WM_RBUTTONDBLCLK:
1260	case WM_MBUTTONDOWN:
1261	case WM_MBUTTONDBLCLK:
1262	SetCapture( hWnd );
1263	// Store off the position of the cursor when the button is pressed
1264	m_ptLastMouse.x = iMouseX;
1265	m_ptLastMouse.y = iMouseY;
1266	return TRUE;
1267
1268	case WM_RBUTTONUP:
1269	case WM_MBUTTONUP:
1270	ReleaseCapture();
1271	return TRUE;
1272
1273	case WM_MOUSEMOVE:
1274	if( MK_LBUTTON&wParam )
1275	{
1276	OnMove( iMouseX, iMouseY );
1277	}
1278	else if( (MK_RBUTTON&wParam) \|\| (MK_MBUTTON&wParam) )
1279	{
1280	// Normalize based on size of window and bounding sphere radius
1281	FLOAT fDeltaX = ( m_ptLastMouse.x-iMouseX ) * m_fRadiusTranslation / m_nWidth;
1282	FLOAT fDeltaY = ( m_ptLastMouse.y-iMouseY ) * m_fRadiusTranslation / m_nHeight;
1283
1284	if( wParam & MK_RBUTTON )
1285	{
1286	D3DXMatrixTranslation( &m_mTranslationDelta, -2fDeltaX, 2fDeltaY, 0.0f );
1287	D3DXMatrixMultiply( &m_mTranslation, &m_mTranslation, &m_mTranslationDelta );
1288	}
1289	else // wParam & MK_MBUTTON
1290	{
1291	D3DXMatrixTranslation( &m_mTranslationDelta, 0.0f, 0.0f, 5*fDeltaY );
1292	D3DXMatrixMultiply( &m_mTranslation, &m_mTranslation, &m_mTranslationDelta );
1293	}
1294
1295	// Store mouse coordinate
1296	m_ptLastMouse.x = iMouseX;
1297	m_ptLastMouse.y = iMouseY;
1298	}
1299	return TRUE;
1300	}
1301
1302	return FALSE;
1303	}
1304
1305
1306
1307
1308	//--------------------------------------------------------------------------------------
1309	// Constructor
1310	//--------------------------------------------------------------------------------------
1311	CBaseCamera::CBaseCamera()
1312	{
1313	m_cKeysDown = 0;
1314	ZeroMemory( m_aKeys, sizeof(BYTE)*CAM_MAX_KEYS );
1315	ZeroMemory( m_GamePad, sizeof(DXUT_GAMEPAD)*DXUT_MAX_CONTROLLERS );
1316
1317	// Set attributes for the view matrix
1318	D3DXVECTOR3 vEyePt = D3DXVECTOR3(0.0f,0.0f,0.0f);
1319	D3DXVECTOR3 vLookatPt = D3DXVECTOR3(0.0f,0.0f,1.0f);
1320
1321	// Setup the view matrix
1322	SetViewParams( &vEyePt, &vLookatPt );
1323
1324	// Setup the projection matrix
1325	SetProjParams( D3DX_PI/4, 1.0f, 1.0f, 1000.0f );
1326
1327	GetCursorPos( &m_ptLastMousePosition );
1328	m_bMouseLButtonDown = false;
1329	m_bMouseMButtonDown = false;
1330	m_bMouseRButtonDown = false;
1331	m_nCurrentButtonMask = 0;
1332	m_nMouseWheelDelta = 0;
1333
1334	m_fCameraYawAngle = 0.0f;
1335	m_fCameraPitchAngle = 0.0f;
1336
1337	SetRect( &m_rcDrag, LONG_MIN, LONG_MIN, LONG_MAX, LONG_MAX );
1338	m_vVelocity = D3DXVECTOR3(0,0,0);
1339	m_bMovementDrag = false;
1340	m_vVelocityDrag = D3DXVECTOR3(0,0,0);
1341	m_fDragTimer = 0.0f;
1342	m_fTotalDragTimeToZero = 0.25;
1343	m_vRotVelocity = D3DXVECTOR2(0,0);
1344
1345	m_fRotationScaler = 0.01f;
1346	m_fMoveScaler = 5.0f;
1347
1348	m_bInvertPitch = false;
1349	m_bEnableYAxisMovement = true;
1350	m_bEnablePositionMovement = true;
1351
1352	m_vMouseDelta = D3DXVECTOR2(0,0);
1353	m_fFramesToSmoothMouseData = 2.0f;
1354
1355	m_bClipToBoundary = false;
1356	m_vMinBoundary = D3DXVECTOR3(-1,-1,-1);
1357	m_vMaxBoundary = D3DXVECTOR3(1,1,1);
1358	}
1359
1360
1361	//--------------------------------------------------------------------------------------
1362	// Client can call this to change the position and direction of camera
1363	//--------------------------------------------------------------------------------------
1364	VOID CBaseCamera::SetViewParams( D3DXVECTOR3* pvEyePt, D3DXVECTOR3* pvLookatPt )
1365	{
1366	if( NULL == pvEyePt \|\| NULL == pvLookatPt )
1367	return;
1368
1369	m_vDefaultEye = m_vEye = *pvEyePt;
1370	m_vDefaultLookAt = m_vLookAt = *pvLookatPt;
1371
1372	// Calc the view matrix
1373	D3DXVECTOR3 vUp(0,1,0);
1374	D3DXMatrixLookAtLH( &m_mView, pvEyePt, pvLookatPt, &vUp );
1375
1376	D3DXMATRIX mInvView;
1377	D3DXMatrixInverse( &mInvView, NULL, &m_mView );
1378
1379	// The axis basis vectors and camera position are stored inside the
1380	// position matrix in the 4 rows of the camera's world matrix.
1381	// To figure out the yaw/pitch of the camera, we just need the Z basis vector
1382	D3DXVECTOR3* pZBasis = (D3DXVECTOR3*) &mInvView._31;
1383
1384	m_fCameraYawAngle = atan2f( pZBasis->x, pZBasis->z );
1385	float fLen = sqrtf(pZBasis->zpZBasis->z + pZBasis->xpZBasis->x);
1386	m_fCameraPitchAngle = -atan2f( pZBasis->y, fLen );
1387	}
1388
1389
1390
1391
1392	//--------------------------------------------------------------------------------------
1393	// Calculates the projection matrix based on input params
1394	//--------------------------------------------------------------------------------------
1395	VOID CBaseCamera::SetProjParams( FLOAT fFOV, FLOAT fAspect, FLOAT fNearPlane,
1396	FLOAT fFarPlane )
1397	{
1398	// Set attributes for the projection matrix
1399	m_fFOV = fFOV;
1400	m_fAspect = fAspect;
1401	m_fNearPlane = fNearPlane;
1402	m_fFarPlane = fFarPlane;
1403
1404	D3DXMatrixPerspectiveFovLH( &m_mProj, fFOV, fAspect, fNearPlane, fFarPlane );
1405	}
1406
1407
1408
1409
1410	//--------------------------------------------------------------------------------------
1411	// Call this from your message proc so this class can handle window messages
1412	//--------------------------------------------------------------------------------------
1413	LRESULT CBaseCamera::HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
1414	{
1415	UNREFERENCED_PARAMETER( hWnd );
1416	UNREFERENCED_PARAMETER( lParam );
1417
1418	switch( uMsg )
1419	{
1420	case WM_KEYDOWN:
1421	{
1422	// Map this key to a D3DUtil_CameraKeys enum and update the
1423	// state of m_aKeys[] by adding the KEY_WAS_DOWN_MASK\|KEY_IS_DOWN_MASK mask
1424	// only if the key is not down
1425	D3DUtil_CameraKeys mappedKey = MapKey( (UINT)wParam );
1426	if( mappedKey != CAM_UNKNOWN )
1427	{
1428	if( FALSE == IsKeyDown(m_aKeys[mappedKey]) )
1429	{
1430	m_aKeys[ mappedKey ] = KEY_WAS_DOWN_MASK \| KEY_IS_DOWN_MASK;
1431	++m_cKeysDown;
1432	}
1433	}
1434	break;
1435	}
1436
1437	case WM_KEYUP:
1438	{
1439	// Map this key to a D3DUtil_CameraKeys enum and update the
1440	// state of m_aKeys[] by removing the KEY_IS_DOWN_MASK mask.
1441	D3DUtil_CameraKeys mappedKey = MapKey( (UINT)wParam );
1442	if( mappedKey != CAM_UNKNOWN && (DWORD)mappedKey < 8 )
1443	{
1444	m_aKeys[ mappedKey ] &= ~KEY_IS_DOWN_MASK;
1445	--m_cKeysDown;
1446	}
1447	break;
1448	}
1449
1450	case WM_RBUTTONDOWN:
1451	case WM_MBUTTONDOWN:
1452	case WM_LBUTTONDOWN:
1453	case WM_RBUTTONDBLCLK:
1454	case WM_MBUTTONDBLCLK:
1455	case WM_LBUTTONDBLCLK:
1456	{
1457	// Compute the drag rectangle in screen coord.
1458	POINT ptCursor = { (short)LOWORD(lParam), (short)HIWORD(lParam) };
1459
1460	// Update member var state
1461	if( ( uMsg == WM_LBUTTONDOWN \|\| uMsg == WM_LBUTTONDBLCLK ) && PtInRect( &m_rcDrag, ptCursor ) )
1462	{ m_bMouseLButtonDown = true; m_nCurrentButtonMask \|= MOUSE_LEFT_BUTTON; }
1463	if( ( uMsg == WM_MBUTTONDOWN \|\| uMsg == WM_MBUTTONDBLCLK ) && PtInRect( &m_rcDrag, ptCursor ) )
1464	{ m_bMouseMButtonDown = true; m_nCurrentButtonMask \|= MOUSE_MIDDLE_BUTTON; }
1465	if( ( uMsg == WM_RBUTTONDOWN \|\| uMsg == WM_RBUTTONDBLCLK ) && PtInRect( &m_rcDrag, ptCursor ) )
1466	{ m_bMouseRButtonDown = true; m_nCurrentButtonMask \|= MOUSE_RIGHT_BUTTON; }
1467
1468	// Capture the mouse, so if the mouse button is
1469	// released outside the window, we'll get the WM_LBUTTONUP message
1470	SetCapture(hWnd);
1471	GetCursorPos( &m_ptLastMousePosition );
1472	return TRUE;
1473	}
1474
1475	case WM_RBUTTONUP:
1476	case WM_MBUTTONUP:
1477	case WM_LBUTTONUP:
1478	{
1479	// Update member var state
1480	if( uMsg == WM_LBUTTONUP ) { m_bMouseLButtonDown = false; m_nCurrentButtonMask &= ~MOUSE_LEFT_BUTTON; }
1481	if( uMsg == WM_MBUTTONUP ) { m_bMouseMButtonDown = false; m_nCurrentButtonMask &= ~MOUSE_MIDDLE_BUTTON; }
1482	if( uMsg == WM_RBUTTONUP ) { m_bMouseRButtonDown = false; m_nCurrentButtonMask &= ~MOUSE_RIGHT_BUTTON; }
1483
1484	// Release the capture if no mouse buttons down
1485	if( !m_bMouseLButtonDown &&
1486	!m_bMouseRButtonDown &&
1487	!m_bMouseMButtonDown )
1488	{
1489	ReleaseCapture();
1490	}
1491	break;
1492	}
1493
1494	case WM_CAPTURECHANGED:
1495	{
1496	if( (HWND)lParam != hWnd )
1497	{
1498	if( (m_nCurrentButtonMask & MOUSE_LEFT_BUTTON) \|\|
1499	(m_nCurrentButtonMask & MOUSE_MIDDLE_BUTTON) \|\|
1500	(m_nCurrentButtonMask & MOUSE_RIGHT_BUTTON) )
1501	{
1502	m_bMouseLButtonDown = false;
1503	m_bMouseMButtonDown = false;
1504	m_bMouseRButtonDown = false;
1505	m_nCurrentButtonMask &= ~MOUSE_LEFT_BUTTON;
1506	m_nCurrentButtonMask &= ~MOUSE_MIDDLE_BUTTON;
1507	m_nCurrentButtonMask &= ~MOUSE_RIGHT_BUTTON;
1508	ReleaseCapture();
1509	}
1510	}
1511	break;
1512	}
1513
1514	case WM_MOUSEWHEEL:
1515	// Update member var state
1516	m_nMouseWheelDelta = (short)HIWORD(wParam) / 120;
1517	break;
1518	}
1519
1520	return FALSE;
1521	}
1522
1523
1524	//--------------------------------------------------------------------------------------
1525	// Figure out the velocity based on keyboard input & drag if any
1526	//--------------------------------------------------------------------------------------
1527	void CBaseCamera::GetInput( bool bGetKeyboardInput, bool bGetMouseInput, bool bGetGamepadInput, bool bResetCursorAfterMove )
1528	{
1529	m_vKeyboardDirection = D3DXVECTOR3(0,0,0);
1530	if( bGetKeyboardInput )
1531	{
1532	// Update acceleration vector based on keyboard state
1533	if( IsKeyDown(m_aKeys[CAM_MOVE_FORWARD]) )
1534	m_vKeyboardDirection.z += 1.0f;
1535	if( IsKeyDown(m_aKeys[CAM_MOVE_BACKWARD]) )
1536	m_vKeyboardDirection.z -= 1.0f;
1537	if( m_bEnableYAxisMovement )
1538	{
1539	if( IsKeyDown(m_aKeys[CAM_MOVE_UP]) )
1540	m_vKeyboardDirection.y += 1.0f;
1541	if( IsKeyDown(m_aKeys[CAM_MOVE_DOWN]) )
1542	m_vKeyboardDirection.y -= 1.0f;
1543	}
1544	if( IsKeyDown(m_aKeys[CAM_STRAFE_RIGHT]) )
1545	m_vKeyboardDirection.x += 1.0f;
1546	if( IsKeyDown(m_aKeys[CAM_STRAFE_LEFT]) )
1547	m_vKeyboardDirection.x -= 1.0f;
1548	}
1549
1550	if( bGetMouseInput )
1551	{
1552	// Get current position of mouse
1553	POINT ptCurMouseDelta;
1554	POINT ptCurMousePos;
1555
1556	if( GetCursorPos( &ptCurMousePos ) )
1557	{
1558	// Calc how far it's moved since last frame
1559	ptCurMouseDelta.x = ptCurMousePos.x - m_ptLastMousePosition.x;
1560	ptCurMouseDelta.y = ptCurMousePos.y - m_ptLastMousePosition.y;
1561
1562	// Record current position for next time
1563	m_ptLastMousePosition = ptCurMousePos;
1564	}
1565	else
1566	{
1567	// If GetCursorPos() returns false, just set delta to zero
1568	ptCurMouseDelta.x = 0;
1569	ptCurMouseDelta.y = 0;
1570	}
1571
1572	if( bResetCursorAfterMove && DXUTIsActive() )
1573	{
1574	// Set position of camera to center of desktop,
1575	// so it always has room to move. This is very useful
1576	// if the cursor is hidden. If this isn't done and cursor is hidden,
1577	// then invisible cursor will hit the edge of the screen
1578	// and the user can't tell what happened
1579	POINT ptCenter;
1580
1581	// Get the center of the current monitor
1582	MONITORINFO mi;
1583	mi.cbSize = sizeof(MONITORINFO);
1584	DXUTGetMonitorInfo( DXUTMonitorFromWindow(DXUTGetHWND(),MONITOR_DEFAULTTONEAREST), &mi );
1585	ptCenter.x = (mi.rcMonitor.left + mi.rcMonitor.right) / 2;
1586	ptCenter.y = (mi.rcMonitor.top + mi.rcMonitor.bottom) / 2;
1587	SetCursorPos( ptCenter.x, ptCenter.y );
1588	m_ptLastMousePosition = ptCenter;
1589	}
1590
1591	// Smooth the relative mouse data over a few frames so it isn't
1592	// jerky when moving slowly at low frame rates.
1593	float fPercentOfNew = 1.0f / m_fFramesToSmoothMouseData;
1594	float fPercentOfOld = 1.0f - fPercentOfNew;
1595	m_vMouseDelta.x = m_vMouseDelta.xfPercentOfOld + ptCurMouseDelta.xfPercentOfNew;
1596	m_vMouseDelta.y = m_vMouseDelta.yfPercentOfOld + ptCurMouseDelta.yfPercentOfNew;
1597
1598	}
1599
1600	if( bGetGamepadInput )
1601	{
1602	m_vGamePadLeftThumb = D3DXVECTOR3(0,0,0);
1603	m_vGamePadRightThumb = D3DXVECTOR3(0,0,0);
1604
1605	// Get controller state
1606	for( DWORD iUserIndex=0; iUserIndex<DXUT_MAX_CONTROLLERS; iUserIndex++ )
1607	{
1608	DXUTGetGamepadState( iUserIndex, &m_GamePad[iUserIndex], true, true );
1609
1610	// Mark time if the controller is in a non-zero state
1611	if( m_GamePad[iUserIndex].wButtons \|\|
1612	m_GamePad[iUserIndex].sThumbLX \|\| m_GamePad[iUserIndex].sThumbLX \|\|
1613	m_GamePad[iUserIndex].sThumbRX \|\| m_GamePad[iUserIndex].sThumbRY \|\|
1614	m_GamePad[iUserIndex].bLeftTrigger \|\| m_GamePad[iUserIndex].bRightTrigger )
1615	{
1616	m_GamePadLastActive[iUserIndex] = DXUTGetTime();
1617	}
1618	}
1619
1620	// Find out which controller was non-zero last
1621	int iMostRecentlyActive = -1;
1622	double fMostRecentlyActiveTime = 0.0f;
1623	for( DWORD iUserIndex=0; iUserIndex<DXUT_MAX_CONTROLLERS; iUserIndex++ )
1624	{
1625	if( m_GamePadLastActive[iUserIndex] > fMostRecentlyActiveTime )
1626	{
1627	fMostRecentlyActiveTime = m_GamePadLastActive[iUserIndex];
1628	iMostRecentlyActive = iUserIndex;
1629	}
1630	}
1631
1632	// Use the most recent non-zero controller if its connected
1633	if( iMostRecentlyActive >= 0 && m_GamePad[iMostRecentlyActive].bConnected )
1634	{
1635	m_vGamePadLeftThumb.x = m_GamePad[iMostRecentlyActive].fThumbLX;
1636	m_vGamePadLeftThumb.y = 0.0f;
1637	m_vGamePadLeftThumb.z = m_GamePad[iMostRecentlyActive].fThumbLY;
1638
1639	m_vGamePadRightThumb.x = m_GamePad[iMostRecentlyActive].fThumbRX;
1640	m_vGamePadRightThumb.y = 0.0f;
1641	m_vGamePadRightThumb.z = m_GamePad[iMostRecentlyActive].fThumbRY;
1642	}
1643	}
1644	}
1645
1646
1647	//--------------------------------------------------------------------------------------
1648	// Figure out the velocity based on keyboard input & drag if any
1649	//--------------------------------------------------------------------------------------
1650	void CBaseCamera::UpdateVelocity( float fElapsedTime )
1651	{
1652	D3DXMATRIX mRotDelta;
1653
1654	D3DXVECTOR2 vGamePadRightThumb = D3DXVECTOR2(m_vGamePadRightThumb.x, -m_vGamePadRightThumb.z);
1655	m_vRotVelocity = m_vMouseDelta * m_fRotationScaler + vGamePadRightThumb * 0.02f;
1656
1657	D3DXVECTOR3 vAccel = m_vKeyboardDirection + m_vGamePadLeftThumb;
1658
1659	// Normalize vector so if moving 2 dirs (left & forward),
1660	// the camera doesn't move faster than if moving in 1 dir
1661	D3DXVec3Normalize( &vAccel, &vAccel );
1662
1663	// Scale the acceleration vector
1664	vAccel *= m_fMoveScaler;
1665
1666	if( m_bMovementDrag )
1667	{
1668	// Is there any acceleration this frame?
1669	if( D3DXVec3LengthSq( &vAccel ) > 0 )
1670	{
1671	// If so, then this means the user has pressed a movement key\
1672	// so change the velocity immediately to acceleration
1673	// upon keyboard input. This isn't normal physics
1674	// but it will give a quick response to keyboard input
1675	m_vVelocity = vAccel;
1676	m_fDragTimer = m_fTotalDragTimeToZero;
1677	m_vVelocityDrag = vAccel / m_fDragTimer;
1678	}
1679	else
1680	{
1681	// If no key being pressed, then slowly decrease velocity to 0
1682	if( m_fDragTimer > 0 )
1683	{
1684	// Drag until timer is <= 0
1685	m_vVelocity -= m_vVelocityDrag * fElapsedTime;
1686	m_fDragTimer -= fElapsedTime;
1687	}
1688	else
1689	{
1690	// Zero velocity
1691	m_vVelocity = D3DXVECTOR3(0,0,0);
1692	}
1693	}
1694	}
1695	else
1696	{
1697	// No drag, so immediately change the velocity
1698	m_vVelocity = vAccel;
1699	}
1700	}
1701
1702
1703
1704
1705	//--------------------------------------------------------------------------------------
1706	// Clamps pV to lie inside m_vMinBoundary & m_vMaxBoundary
1707	//--------------------------------------------------------------------------------------
1708	void CBaseCamera::ConstrainToBoundary( D3DXVECTOR3* pV )
1709	{
1710	// Constrain vector to a bounding box
1711	pV->x = __max(pV->x, m_vMinBoundary.x);
1712	pV->y = __max(pV->y, m_vMinBoundary.y);
1713	pV->z = __max(pV->z, m_vMinBoundary.z);
1714
1715	pV->x = __min(pV->x, m_vMaxBoundary.x);
1716	pV->y = __min(pV->y, m_vMaxBoundary.y);
1717	pV->z = __min(pV->z, m_vMaxBoundary.z);
1718	}
1719
1720
1721
1722
1723	//--------------------------------------------------------------------------------------
1724	// Maps a windows virtual key to an enum
1725	//--------------------------------------------------------------------------------------
1726	D3DUtil_CameraKeys CBaseCamera::MapKey( UINT nKey )
1727	{
1728	// This could be upgraded to a method that's user-definable but for
1729	// simplicity, we'll use a hardcoded mapping.
1730	switch( nKey )
1731	{
1732	case VK_CONTROL: return CAM_CONTROLDOWN;
1733	case VK_LEFT: return CAM_STRAFE_LEFT;
1734	case VK_RIGHT: return CAM_STRAFE_RIGHT;
1735	case VK_UP: return CAM_MOVE_FORWARD;
1736	case VK_DOWN: return CAM_MOVE_BACKWARD;
1737	case VK_PRIOR: return CAM_MOVE_UP; // pgup
1738	case VK_NEXT: return CAM_MOVE_DOWN; // pgdn
1739
1740	case 'A': return CAM_STRAFE_LEFT;
1741	case 'D': return CAM_STRAFE_RIGHT;
1742	case 'W': return CAM_MOVE_FORWARD;
1743	case 'S': return CAM_MOVE_BACKWARD;
1744	case 'Q': return CAM_MOVE_DOWN;
1745	case 'E': return CAM_MOVE_UP;
1746
1747	case VK_NUMPAD4: return CAM_STRAFE_LEFT;
1748	case VK_NUMPAD6: return CAM_STRAFE_RIGHT;
1749	case VK_NUMPAD8: return CAM_MOVE_FORWARD;
1750	case VK_NUMPAD2: return CAM_MOVE_BACKWARD;
1751	case VK_NUMPAD9: return CAM_MOVE_UP;
1752	case VK_NUMPAD3: return CAM_MOVE_DOWN;
1753
1754	case VK_HOME: return CAM_RESET;
1755	}
1756
1757	return CAM_UNKNOWN;
1758	}
1759
1760
1761
1762
1763	//--------------------------------------------------------------------------------------
1764	// Reset the camera's position back to the default
1765	//--------------------------------------------------------------------------------------
1766	VOID CBaseCamera::Reset()
1767	{
1768	SetViewParams( &m_vDefaultEye, &m_vDefaultLookAt );
1769	}
1770
1771
1772
1773
1774	//--------------------------------------------------------------------------------------
1775	// Constructor
1776	//--------------------------------------------------------------------------------------
1777	CFirstPersonCamera::CFirstPersonCamera() :
1778	m_nActiveButtonMask( 0x07 )
1779	{
1780	m_bRotateWithoutButtonDown = false;
1781	}
1782
1783
1784
1785
1786	//--------------------------------------------------------------------------------------
1787	// Update the view matrix based on user input & elapsed time
1788	//--------------------------------------------------------------------------------------
1789	VOID CFirstPersonCamera::FrameMove( FLOAT fElapsedTime )
1790	{
1791	if( DXUTGetGlobalTimer()->IsStopped() )
1792	fElapsedTime = 1.0f / DXUTGetFPS();
1793
1794	if( IsKeyDown(m_aKeys[CAM_RESET]) )
1795	Reset();
1796
1797	// Get keyboard/mouse/gamepad input
1798	GetInput( m_bEnablePositionMovement, (m_nActiveButtonMask & m_nCurrentButtonMask) \|\| m_bRotateWithoutButtonDown, true, m_bResetCursorAfterMove );
1799
1800	// Get amount of velocity based on the keyboard input and drag (if any)
1801	UpdateVelocity( fElapsedTime );
1802
1803	// Simple euler method to calculate position delta
1804	D3DXVECTOR3 vPosDelta = m_vVelocity * fElapsedTime;
1805
1806	// If rotating the camera
1807	if( (m_nActiveButtonMask & m_nCurrentButtonMask) \|\|
1808	m_bRotateWithoutButtonDown \|\|
1809	m_vGamePadRightThumb.x != 0 \|\|
1810	m_vGamePadRightThumb.z != 0 )
1811	{
1812	// Update the pitch & yaw angle based on mouse movement
1813	float fYawDelta = m_vRotVelocity.x;
1814	float fPitchDelta = m_vRotVelocity.y;
1815
1816	// Invert pitch if requested
1817	if( m_bInvertPitch )
1818	fPitchDelta = -fPitchDelta;
1819
1820	m_fCameraPitchAngle += fPitchDelta;
1821	m_fCameraYawAngle += fYawDelta;
1822
1823	// Limit pitch to straight up or straight down
1824	m_fCameraPitchAngle = __max( -D3DX_PI/2.0f, m_fCameraPitchAngle );
1825	m_fCameraPitchAngle = __min( +D3DX_PI/2.0f, m_fCameraPitchAngle );
1826	}
1827
1828	// Make a rotation matrix based on the camera's yaw & pitch
1829	D3DXMATRIX mCameraRot;
1830	D3DXMatrixRotationYawPitchRoll( &mCameraRot, m_fCameraYawAngle, m_fCameraPitchAngle, 0 );
1831
1832	// Transform vectors based on camera's rotation matrix
1833	D3DXVECTOR3 vWorldUp, vWorldAhead;
1834	D3DXVECTOR3 vLocalUp = D3DXVECTOR3(0,1,0);
1835	D3DXVECTOR3 vLocalAhead = D3DXVECTOR3(0,0,1);
1836	D3DXVec3TransformCoord( &vWorldUp, &vLocalUp, &mCameraRot );
1837	D3DXVec3TransformCoord( &vWorldAhead, &vLocalAhead, &mCameraRot );
1838
1839	// Transform the position delta by the camera's rotation
1840	D3DXVECTOR3 vPosDeltaWorld;
1841	if( !m_bEnableYAxisMovement )
1842	{
1843	// If restricting Y movement, do not include pitch
1844	// when transforming position delta vector.
1845	D3DXMatrixRotationYawPitchRoll( &mCameraRot, m_fCameraYawAngle, 0.0f, 0.0f );
1846	}
1847	D3DXVec3TransformCoord( &vPosDeltaWorld, &vPosDelta, &mCameraRot );
1848
1849	// Move the eye position
1850	m_vEye += vPosDeltaWorld;
1851	if( m_bClipToBoundary )
1852	ConstrainToBoundary( &m_vEye );
1853
1854	// Update the lookAt position based on the eye position
1855	m_vLookAt = m_vEye + vWorldAhead;
1856
1857	// Update the view matrix
1858	D3DXMatrixLookAtLH( &m_mView, &m_vEye, &m_vLookAt, &vWorldUp );
1859
1860	D3DXMatrixInverse( &m_mCameraWorld, NULL, &m_mView );
1861	}
1862
1863
1864	//--------------------------------------------------------------------------------------
1865	// Enable or disable each of the mouse buttons for rotation drag.
1866	//--------------------------------------------------------------------------------------
1867	void CFirstPersonCamera::SetRotateButtons( bool bLeft, bool bMiddle, bool bRight, bool bRotateWithoutButtonDown )
1868	{
1869	m_nActiveButtonMask = ( bLeft ? MOUSE_LEFT_BUTTON : 0 ) \|
1870	( bMiddle ? MOUSE_MIDDLE_BUTTON : 0 ) \|
1871	( bRight ? MOUSE_RIGHT_BUTTON : 0 );
1872	m_bRotateWithoutButtonDown = bRotateWithoutButtonDown;
1873	}
1874
1875
1876	//--------------------------------------------------------------------------------------
1877	// Constructor
1878	//--------------------------------------------------------------------------------------
1879	CModelViewerCamera::CModelViewerCamera()
1880	{
1881	D3DXMatrixIdentity( &m_mWorld );
1882	D3DXMatrixIdentity( &m_mModelRot );
1883	D3DXMatrixIdentity( &m_mModelLastRot );
1884	D3DXMatrixIdentity( &m_mCameraRotLast );
1885	m_vModelCenter = D3DXVECTOR3(0,0,0);
1886	m_fRadius = 5.0f;
1887	m_fDefaultRadius = 5.0f;
1888	m_fMinRadius = 1.0f;
1889	m_fMaxRadius = FLT_MAX;
1890	m_bLimitPitch = false;
1891	m_bEnablePositionMovement = false;
1892	m_bAttachCameraToModel = false;
1893
1894	m_nRotateModelButtonMask = MOUSE_LEFT_BUTTON;
1895	m_nZoomButtonMask = MOUSE_WHEEL;
1896	m_nRotateCameraButtonMask = MOUSE_RIGHT_BUTTON;
1897	m_bDragSinceLastUpdate = true;
1898	}
1899
1900
1901
1902
1903	//--------------------------------------------------------------------------------------
1904	// Update the view matrix & the model's world matrix based
1905	// on user input & elapsed time
1906	//--------------------------------------------------------------------------------------
1907	VOID CModelViewerCamera::FrameMove( FLOAT fElapsedTime )
1908	{
1909	if( IsKeyDown(m_aKeys[CAM_RESET]) )
1910	Reset();
1911
1912	// If no dragged has happend since last time FrameMove is called,
1913	// and no camera key is held down, then no need to handle again.
1914	if( !m_bDragSinceLastUpdate && 0 == m_cKeysDown )
1915	return;
1916	m_bDragSinceLastUpdate = false;
1917
1918	// Get keyboard/mouse/gamepad input
1919	GetInput( m_bEnablePositionMovement, m_nCurrentButtonMask != 0, true, false );
1920
1921	// Get amount of velocity based on the keyboard input and drag (if any)
1922	UpdateVelocity( fElapsedTime );
1923
1924	// Simple euler method to calculate position delta
1925	D3DXVECTOR3 vPosDelta = m_vVelocity * fElapsedTime;
1926
1927	// Change the radius from the camera to the model based on wheel scrolling
1928	if( m_nMouseWheelDelta && m_nZoomButtonMask == MOUSE_WHEEL )
1929	m_fRadius -= m_nMouseWheelDelta * m_fRadius * 0.1f;
1930	m_fRadius = __min( m_fMaxRadius, m_fRadius );
1931	m_fRadius = __max( m_fMinRadius, m_fRadius );
1932	m_nMouseWheelDelta = 0;
1933
1934	// Get the inverse of the arcball's rotation matrix
1935	D3DXMATRIX mCameraRot;
1936	D3DXMatrixInverse( &mCameraRot, NULL, m_ViewArcBall.GetRotationMatrix() );
1937
1938	// Transform vectors based on camera's rotation matrix
1939	D3DXVECTOR3 vWorldUp, vWorldAhead;
1940	D3DXVECTOR3 vLocalUp = D3DXVECTOR3(0,1,0);
1941	D3DXVECTOR3 vLocalAhead = D3DXVECTOR3(0,0,1);
1942	D3DXVec3TransformCoord( &vWorldUp, &vLocalUp, &mCameraRot );
1943	D3DXVec3TransformCoord( &vWorldAhead, &vLocalAhead, &mCameraRot );
1944
1945	// Transform the position delta by the camera's rotation
1946	D3DXVECTOR3 vPosDeltaWorld;
1947	D3DXVec3TransformCoord( &vPosDeltaWorld, &vPosDelta, &mCameraRot );
1948
1949	// Move the lookAt position
1950	m_vLookAt += vPosDeltaWorld;
1951	if( m_bClipToBoundary )
1952	ConstrainToBoundary( &m_vLookAt );
1953
1954	// Update the eye point based on a radius away from the lookAt position
1955	m_vEye = m_vLookAt - vWorldAhead * m_fRadius;
1956
1957	// Update the view matrix
1958	D3DXMatrixLookAtLH( &m_mView, &m_vEye, &m_vLookAt, &vWorldUp );
1959
1960	D3DXMATRIX mInvView;
1961	D3DXMatrixInverse( &mInvView, NULL, &m_mView );
1962	mInvView._41 = mInvView._42 = mInvView._43 = 0;
1963
1964	D3DXMATRIX mModelLastRotInv;
1965	D3DXMatrixInverse(&mModelLastRotInv, NULL, &m_mModelLastRot);
1966
1967	// Accumulate the delta of the arcball's rotation in view space.
1968	// Note that per-frame delta rotations could be problematic over long periods of time.
1969	D3DXMATRIX mModelRot;
1970	mModelRot = *m_WorldArcBall.GetRotationMatrix();
1971	m_mModelRot = m_mView mModelLastRotInv * mModelRot * mInvView;
1972
1973	if( m_ViewArcBall.IsBeingDragged() && m_bAttachCameraToModel && !IsKeyDown(m_aKeys[CAM_CONTROLDOWN]) )
1974	{
1975	// Attach camera to model by inverse of the model rotation
1976	D3DXMATRIX mCameraLastRotInv;
1977	D3DXMatrixInverse(&mCameraLastRotInv, NULL, &m_mCameraRotLast);
1978	D3DXMATRIX mCameraRotDelta = mCameraLastRotInv * mCameraRot; // local to world matrix
1979	m_mModelRot *= mCameraRotDelta;
1980	}
1981	m_mCameraRotLast = mCameraRot;
1982
1983	m_mModelLastRot = mModelRot;
1984
1985	// Since we're accumulating delta rotations, we need to orthonormalize
1986	// the matrix to prevent eventual matrix skew
1987	D3DXVECTOR3* pXBasis = (D3DXVECTOR3*) &m_mModelRot._11;
1988	D3DXVECTOR3* pYBasis = (D3DXVECTOR3*) &m_mModelRot._21;
1989	D3DXVECTOR3* pZBasis = (D3DXVECTOR3*) &m_mModelRot._31;
1990	D3DXVec3Normalize( pXBasis, pXBasis );
1991	D3DXVec3Cross( pYBasis, pZBasis, pXBasis );
1992	D3DXVec3Normalize( pYBasis, pYBasis );
1993	D3DXVec3Cross( pZBasis, pXBasis, pYBasis );
1994
1995	// Translate the rotation matrix to the same position as the lookAt position
1996	m_mModelRot._41 = m_vLookAt.x;
1997	m_mModelRot._42 = m_vLookAt.y;
1998	m_mModelRot._43 = m_vLookAt.z;
1999
2000	// Translate world matrix so its at the center of the model
2001	D3DXMATRIX mTrans;
2002	D3DXMatrixTranslation( &mTrans, -m_vModelCenter.x, -m_vModelCenter.y, -m_vModelCenter.z );
2003	m_mWorld = mTrans * m_mModelRot;
2004	}
2005
2006
2007	void CModelViewerCamera::SetDragRect( RECT &rc )
2008	{
2009	CBaseCamera::SetDragRect( rc );
2010
2011	m_WorldArcBall.SetOffset( rc.left, rc.top );
2012	m_ViewArcBall.SetOffset( rc.left, rc.top );
2013	SetWindow( rc.right - rc.left, rc.bottom - rc.top );
2014	}
2015
2016
2017	//--------------------------------------------------------------------------------------
2018	// Reset the camera's position back to the default
2019	//--------------------------------------------------------------------------------------
2020	VOID CModelViewerCamera::Reset()
2021	{
2022	CBaseCamera::Reset();
2023
2024	D3DXMatrixIdentity( &m_mWorld );
2025	D3DXMatrixIdentity( &m_mModelRot );
2026	D3DXMatrixIdentity( &m_mModelLastRot );
2027	D3DXMatrixIdentity( &m_mCameraRotLast );
2028
2029	m_fRadius = m_fDefaultRadius;
2030	m_WorldArcBall.Reset();
2031	m_ViewArcBall.Reset();
2032	}
2033
2034
2035	//--------------------------------------------------------------------------------------
2036	// Override for setting the view parameters
2037	//--------------------------------------------------------------------------------------
2038	void CModelViewerCamera::SetViewParams( D3DXVECTOR3* pvEyePt, D3DXVECTOR3* pvLookatPt )
2039	{
2040	CBaseCamera::SetViewParams( pvEyePt, pvLookatPt );
2041
2042	// Propogate changes to the member arcball
2043	D3DXQUATERNION quat;
2044	D3DXMATRIXA16 mRotation;
2045	D3DXVECTOR3 vUp(0,1,0);
2046	D3DXMatrixLookAtLH( &mRotation, pvEyePt, pvLookatPt, &vUp );
2047	D3DXQuaternionRotationMatrix( &quat, &mRotation );
2048	m_ViewArcBall.SetQuatNow( quat );
2049
2050	// Set the radius according to the distance
2051	D3DXVECTOR3 vEyeToPoint;
2052	D3DXVec3Subtract( &vEyeToPoint, pvLookatPt, pvEyePt );
2053	SetRadius( D3DXVec3Length( &vEyeToPoint ) );
2054
2055	// View information changed. FrameMove should be called.
2056	m_bDragSinceLastUpdate = true;
2057	}
2058
2059
2060
2061	//--------------------------------------------------------------------------------------
2062	// Call this from your message proc so this class can handle window messages
2063	//--------------------------------------------------------------------------------------
2064	LRESULT CModelViewerCamera::HandleMessages( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
2065	{
2066	CBaseCamera::HandleMessages( hWnd, uMsg, wParam, lParam );
2067
2068	if( ( (uMsg == WM_LBUTTONDOWN \|\| uMsg == WM_LBUTTONDBLCLK ) && m_nRotateModelButtonMask & MOUSE_LEFT_BUTTON) \|\|
2069	( (uMsg == WM_MBUTTONDOWN \|\| uMsg == WM_MBUTTONDBLCLK ) && m_nRotateModelButtonMask & MOUSE_MIDDLE_BUTTON) \|\|
2070	( (uMsg == WM_RBUTTONDOWN \|\| uMsg == WM_RBUTTONDBLCLK ) && m_nRotateModelButtonMask & MOUSE_RIGHT_BUTTON) )
2071	{
2072	int iMouseX = (short)LOWORD(lParam);
2073	int iMouseY = (short)HIWORD(lParam);
2074	m_WorldArcBall.OnBegin( iMouseX, iMouseY );
2075	}
2076
2077	if( ( (uMsg == WM_LBUTTONDOWN \|\| uMsg == WM_LBUTTONDBLCLK ) && m_nRotateCameraButtonMask & MOUSE_LEFT_BUTTON) \|\|
2078	( (uMsg == WM_MBUTTONDOWN \|\| uMsg == WM_MBUTTONDBLCLK ) && m_nRotateCameraButtonMask & MOUSE_MIDDLE_BUTTON) \|\|
2079	( (uMsg == WM_RBUTTONDOWN \|\| uMsg == WM_RBUTTONDBLCLK ) && m_nRotateCameraButtonMask & MOUSE_RIGHT_BUTTON) )
2080	{
2081	int iMouseX = (short)LOWORD(lParam);
2082	int iMouseY = (short)HIWORD(lParam);
2083	m_ViewArcBall.OnBegin( iMouseX, iMouseY );
2084	}
2085
2086	if( uMsg == WM_MOUSEMOVE )
2087	{
2088	int iMouseX = (short)LOWORD(lParam);
2089	int iMouseY = (short)HIWORD(lParam);
2090	m_WorldArcBall.OnMove( iMouseX, iMouseY );
2091	m_ViewArcBall.OnMove( iMouseX, iMouseY );
2092	}
2093
2094	if( (uMsg == WM_LBUTTONUP && m_nRotateModelButtonMask & MOUSE_LEFT_BUTTON) \|\|
2095	(uMsg == WM_MBUTTONUP && m_nRotateModelButtonMask & MOUSE_MIDDLE_BUTTON) \|\|
2096	(uMsg == WM_RBUTTONUP && m_nRotateModelButtonMask & MOUSE_RIGHT_BUTTON) )
2097	{
2098	m_WorldArcBall.OnEnd();
2099	}
2100
2101	if( (uMsg == WM_LBUTTONUP && m_nRotateCameraButtonMask & MOUSE_LEFT_BUTTON) \|\|
2102	(uMsg == WM_MBUTTONUP && m_nRotateCameraButtonMask & MOUSE_MIDDLE_BUTTON) \|\|
2103	(uMsg == WM_RBUTTONUP && m_nRotateCameraButtonMask & MOUSE_RIGHT_BUTTON) )
2104	{
2105	m_ViewArcBall.OnEnd();
2106	}
2107
2108	if( uMsg == WM_CAPTURECHANGED )
2109	{
2110	if( (HWND)lParam != hWnd )
2111	{
2112	if( (m_nRotateModelButtonMask & MOUSE_LEFT_BUTTON) \|\|
2113	(m_nRotateModelButtonMask & MOUSE_MIDDLE_BUTTON) \|\|
2114	(m_nRotateModelButtonMask & MOUSE_RIGHT_BUTTON) )
2115	{
2116	m_WorldArcBall.OnEnd();
2117	}
2118
2119	if( (m_nRotateCameraButtonMask & MOUSE_LEFT_BUTTON) \|\|
2120	(m_nRotateCameraButtonMask & MOUSE_MIDDLE_BUTTON) \|\|
2121	(m_nRotateCameraButtonMask & MOUSE_RIGHT_BUTTON) )
2122	{
2123	m_ViewArcBall.OnEnd();
2124	}
2125	}
2126	}
2127
2128	if( uMsg == WM_LBUTTONDOWN \|\|
2129	uMsg == WM_LBUTTONDBLCLK \|\|
2130	uMsg == WM_MBUTTONDOWN \|\|
2131	uMsg == WM_MBUTTONDBLCLK \|\|
2132	uMsg == WM_RBUTTONDOWN \|\|
2133	uMsg == WM_RBUTTONDBLCLK \|\|
2134	uMsg == WM_LBUTTONUP \|\|
2135	uMsg == WM_MBUTTONUP \|\|
2136	uMsg == WM_RBUTTONUP \|\|
2137	uMsg == WM_MOUSEWHEEL \|\|
2138	uMsg == WM_MOUSEMOVE )
2139	{
2140	m_bDragSinceLastUpdate = true;
2141	}
2142
2143	return FALSE;
2144	}
2145
2146
2147
2148
2149	//--------------------------------------------------------------------------------------
2150	// Desc: Returns a view matrix for rendering to a face of a cubemap.
2151	//--------------------------------------------------------------------------------------
2152	D3DXMATRIX DXUTGetCubeMapViewMatrix( DWORD dwFace )
2153	{
2154	D3DXVECTOR3 vEyePt = D3DXVECTOR3( 0.0f, 0.0f, 0.0f );
2155	D3DXVECTOR3 vLookDir;
2156	D3DXVECTOR3 vUpDir;
2157
2158	switch( dwFace )
2159	{
2160	case D3DCUBEMAP_FACE_POSITIVE_X:
2161	vLookDir = D3DXVECTOR3( 1.0f, 0.0f, 0.0f );
2162	vUpDir = D3DXVECTOR3( 0.0f, 1.0f, 0.0f );
2163	break;
2164	case D3DCUBEMAP_FACE_NEGATIVE_X:
2165	vLookDir = D3DXVECTOR3(-1.0f, 0.0f, 0.0f );
2166	vUpDir = D3DXVECTOR3( 0.0f, 1.0f, 0.0f );
2167	break;
2168	case D3DCUBEMAP_FACE_POSITIVE_Y:
2169	vLookDir = D3DXVECTOR3( 0.0f, 1.0f, 0.0f );
2170	vUpDir = D3DXVECTOR3( 0.0f, 0.0f,-1.0f );
2171	break;
2172	case D3DCUBEMAP_FACE_NEGATIVE_Y:
2173	vLookDir = D3DXVECTOR3( 0.0f,-1.0f, 0.0f );
2174	vUpDir = D3DXVECTOR3( 0.0f, 0.0f, 1.0f );
2175	break;
2176	case D3DCUBEMAP_FACE_POSITIVE_Z:
2177	vLookDir = D3DXVECTOR3( 0.0f, 0.0f, 1.0f );
2178	vUpDir = D3DXVECTOR3( 0.0f, 1.0f, 0.0f );
2179	break;
2180	case D3DCUBEMAP_FACE_NEGATIVE_Z:
2181	vLookDir = D3DXVECTOR3( 0.0f, 0.0f,-1.0f );
2182	vUpDir = D3DXVECTOR3( 0.0f, 1.0f, 0.0f );
2183	break;
2184	}
2185
2186	// Set the view transform for this cubemap surface
2187	D3DXMATRIXA16 mView;
2188	D3DXMatrixLookAtLH( &mView, &vEyePt, &vLookDir, &vUpDir );
2189	return mView;
2190	}
2191
2192
2193	//--------------------------------------------------------------------------------------
2194	// Returns the string for the given D3DFORMAT.
2195	//--------------------------------------------------------------------------------------
2196	LPCWSTR DXUTD3DFormatToString( D3DFORMAT format, bool bWithPrefix )
2197	{
2198	WCHAR* pstr = NULL;
2199	switch( format )
2200	{
2201	case D3DFMT_UNKNOWN: pstr = L"D3DFMT_UNKNOWN"; break;
2202	case D3DFMT_R8G8B8: pstr = L"D3DFMT_R8G8B8"; break;
2203	case D3DFMT_A8R8G8B8: pstr = L"D3DFMT_A8R8G8B8"; break;
2204	case D3DFMT_X8R8G8B8: pstr = L"D3DFMT_X8R8G8B8"; break;
2205	case D3DFMT_R5G6B5: pstr = L"D3DFMT_R5G6B5"; break;
2206	case D3DFMT_X1R5G5B5: pstr = L"D3DFMT_X1R5G5B5"; break;
2207	case D3DFMT_A1R5G5B5: pstr = L"D3DFMT_A1R5G5B5"; break;
2208	case D3DFMT_A4R4G4B4: pstr = L"D3DFMT_A4R4G4B4"; break;
2209	case D3DFMT_R3G3B2: pstr = L"D3DFMT_R3G3B2"; break;
2210	case D3DFMT_A8: pstr = L"D3DFMT_A8"; break;
2211	case D3DFMT_A8R3G3B2: pstr = L"D3DFMT_A8R3G3B2"; break;
2212	case D3DFMT_X4R4G4B4: pstr = L"D3DFMT_X4R4G4B4"; break;
2213	case D3DFMT_A2B10G10R10: pstr = L"D3DFMT_A2B10G10R10"; break;
2214	case D3DFMT_A8B8G8R8: pstr = L"D3DFMT_A8B8G8R8"; break;
2215	case D3DFMT_X8B8G8R8: pstr = L"D3DFMT_X8B8G8R8"; break;
2216	case D3DFMT_G16R16: pstr = L"D3DFMT_G16R16"; break;
2217	case D3DFMT_A2R10G10B10: pstr = L"D3DFMT_A2R10G10B10"; break;
2218	case D3DFMT_A16B16G16R16: pstr = L"D3DFMT_A16B16G16R16"; break;
2219	case D3DFMT_A8P8: pstr = L"D3DFMT_A8P8"; break;
2220	case D3DFMT_P8: pstr = L"D3DFMT_P8"; break;
2221	case D3DFMT_L8: pstr = L"D3DFMT_L8"; break;
2222	case D3DFMT_A8L8: pstr = L"D3DFMT_A8L8"; break;
2223	case D3DFMT_A4L4: pstr = L"D3DFMT_A4L4"; break;
2224	case D3DFMT_V8U8: pstr = L"D3DFMT_V8U8"; break;
2225	case D3DFMT_L6V5U5: pstr = L"D3DFMT_L6V5U5"; break;
2226	case D3DFMT_X8L8V8U8: pstr = L"D3DFMT_X8L8V8U8"; break;
2227	case D3DFMT_Q8W8V8U8: pstr = L"D3DFMT_Q8W8V8U8"; break;
2228	case D3DFMT_V16U16: pstr = L"D3DFMT_V16U16"; break;
2229	case D3DFMT_A2W10V10U10: pstr = L"D3DFMT_A2W10V10U10"; break;
2230	case D3DFMT_UYVY: pstr = L"D3DFMT_UYVY"; break;
2231	case D3DFMT_YUY2: pstr = L"D3DFMT_YUY2"; break;
2232	case D3DFMT_DXT1: pstr = L"D3DFMT_DXT1"; break;
2233	case D3DFMT_DXT2: pstr = L"D3DFMT_DXT2"; break;
2234	case D3DFMT_DXT3: pstr = L"D3DFMT_DXT3"; break;
2235	case D3DFMT_DXT4: pstr = L"D3DFMT_DXT4"; break;
2236	case D3DFMT_DXT5: pstr = L"D3DFMT_DXT5"; break;
2237	case D3DFMT_D16_LOCKABLE: pstr = L"D3DFMT_D16_LOCKABLE"; break;
2238	case D3DFMT_D32: pstr = L"D3DFMT_D32"; break;
2239	case D3DFMT_D15S1: pstr = L"D3DFMT_D15S1"; break;
2240	case D3DFMT_D24S8: pstr = L"D3DFMT_D24S8"; break;
2241	case D3DFMT_D24X8: pstr = L"D3DFMT_D24X8"; break;
2242	case D3DFMT_D24X4S4: pstr = L"D3DFMT_D24X4S4"; break;
2243	case D3DFMT_D16: pstr = L"D3DFMT_D16"; break;
2244	case D3DFMT_L16: pstr = L"D3DFMT_L16"; break;
2245	case D3DFMT_VERTEXDATA: pstr = L"D3DFMT_VERTEXDATA"; break;
2246	case D3DFMT_INDEX16: pstr = L"D3DFMT_INDEX16"; break;
2247	case D3DFMT_INDEX32: pstr = L"D3DFMT_INDEX32"; break;
2248	case D3DFMT_Q16W16V16U16: pstr = L"D3DFMT_Q16W16V16U16"; break;
2249	case D3DFMT_MULTI2_ARGB8: pstr = L"D3DFMT_MULTI2_ARGB8"; break;
2250	case D3DFMT_R16F: pstr = L"D3DFMT_R16F"; break;
2251	case D3DFMT_G16R16F: pstr = L"D3DFMT_G16R16F"; break;
2252	case D3DFMT_A16B16G16R16F: pstr = L"D3DFMT_A16B16G16R16F"; break;
2253	case D3DFMT_R32F: pstr = L"D3DFMT_R32F"; break;
2254	case D3DFMT_G32R32F: pstr = L"D3DFMT_G32R32F"; break;
2255	case D3DFMT_A32B32G32R32F: pstr = L"D3DFMT_A32B32G32R32F"; break;
2256	case D3DFMT_CxV8U8: pstr = L"D3DFMT_CxV8U8"; break;
2257	default: pstr = L"Unknown format"; break;
2258	}
2259	if( bWithPrefix \|\| wcsstr( pstr, L"D3DFMT_" )== NULL )
2260	return pstr;
2261	else
2262	return pstr + lstrlen( L"D3DFMT_" );
2263	}
2264
2265
2266
2267	//--------------------------------------------------------------------------------------
2268	// Outputs to the debug stream a formatted Unicode string with a variable-argument list.
2269	//--------------------------------------------------------------------------------------
2270	VOID DXUTOutputDebugStringW( LPCWSTR strMsg, ... )
2271	{
2272	#if defined(DEBUG) \|\| defined(_DEBUG)
2273	WCHAR strBuffer[512];
2274
2275	va_list args;
2276	va_start(args, strMsg);
2277	StringCchVPrintfW( strBuffer, 512, strMsg, args );
2278	strBuffer[511] = L'\0';
2279	va_end(args);
2280
2281	OutputDebugString( strBuffer );
2282	#else
2283	UNREFERENCED_PARAMETER(strMsg);
2284	#endif
2285	}
2286
2287
2288	//--------------------------------------------------------------------------------------
2289	// Outputs to the debug stream a formatted MBCS string with a variable-argument list.
2290	//--------------------------------------------------------------------------------------
2291	VOID DXUTOutputDebugStringA( LPCSTR strMsg, ... )
2292	{
2293	#if defined(DEBUG) \|\| defined(_DEBUG)
2294	CHAR strBuffer[512];
2295
2296	va_list args;
2297	va_start(args, strMsg);
2298	StringCchVPrintfA( strBuffer, 512, strMsg, args );
2299	strBuffer[511] = '\0';
2300	va_end(args);
2301
2302	OutputDebugStringA( strBuffer );
2303	#else
2304	UNREFERENCED_PARAMETER(strMsg);
2305	#endif
2306	}
2307
2308
2309	//--------------------------------------------------------------------------------------
2310	CDXUTLineManager::CDXUTLineManager()
2311	{
2312	m_pd3dDevice = NULL;
2313	m_pD3DXLine = NULL;
2314	}
2315
2316
2317	//--------------------------------------------------------------------------------------
2318	CDXUTLineManager::~CDXUTLineManager()
2319	{
2320	OnDeletedDevice();
2321	}
2322
2323
2324	//--------------------------------------------------------------------------------------
2325	HRESULT CDXUTLineManager::OnCreatedDevice( IDirect3DDevice9* pd3dDevice )
2326	{
2327	m_pd3dDevice = pd3dDevice;
2328
2329	HRESULT hr;
2330	hr = D3DXCreateLine( m_pd3dDevice, &m_pD3DXLine );
2331	if( FAILED(hr) )
2332	return hr;
2333
2334	return S_OK;
2335	}
2336
2337
2338	//--------------------------------------------------------------------------------------
2339	HRESULT CDXUTLineManager::OnResetDevice()
2340	{
2341	if( m_pD3DXLine )
2342	m_pD3DXLine->OnResetDevice();
2343
2344	return S_OK;
2345	}
2346
2347
2348	//--------------------------------------------------------------------------------------
2349	HRESULT CDXUTLineManager::OnRender()
2350	{
2351	HRESULT hr;
2352	if( NULL == m_pD3DXLine )
2353	return E_INVALIDARG;
2354
2355	bool bDrawingHasBegun = false;
2356	float fLastWidth = 0.0f;
2357	bool bLastAntiAlias = false;
2358
2359	for( int i=0; i<m_LinesList.GetSize(); i++ )
2360	{
2361	LINE_NODE* pLineNode = m_LinesList.GetAt(i);
2362	if( pLineNode )
2363	{
2364	if( !bDrawingHasBegun \|\|
2365	fLastWidth != pLineNode->fWidth \|\|
2366	bLastAntiAlias != pLineNode->bAntiAlias )
2367	{
2368	if( bDrawingHasBegun )
2369	{
2370	hr = m_pD3DXLine->End();
2371	if( FAILED(hr) )
2372	return hr;
2373	}
2374
2375	m_pD3DXLine->SetWidth( pLineNode->fWidth );
2376	m_pD3DXLine->SetAntialias( pLineNode->bAntiAlias );
2377
2378	fLastWidth = pLineNode->fWidth;
2379	bLastAntiAlias = pLineNode->bAntiAlias;
2380
2381	hr = m_pD3DXLine->Begin();
2382	if( FAILED(hr) )
2383	return hr;
2384	bDrawingHasBegun = true;
2385	}
2386
2387	hr = m_pD3DXLine->Draw( pLineNode->pVertexList, pLineNode->dwVertexListCount, pLineNode->Color );
2388	if( FAILED(hr) )
2389	return hr;
2390	}
2391	}
2392
2393	if( bDrawingHasBegun )
2394	{
2395	hr = m_pD3DXLine->End();
2396	if( FAILED(hr) )
2397	return hr;
2398	}
2399
2400	return S_OK;
2401	}
2402
2403
2404	//--------------------------------------------------------------------------------------
2405	HRESULT CDXUTLineManager::OnLostDevice()
2406	{
2407	if( m_pD3DXLine )
2408	m_pD3DXLine->OnLostDevice();
2409
2410	return S_OK;
2411	}
2412
2413
2414	//--------------------------------------------------------------------------------------
2415	HRESULT CDXUTLineManager::OnDeletedDevice()
2416	{
2417	RemoveAllLines();
2418	SAFE_RELEASE( m_pD3DXLine );
2419
2420	return S_OK;
2421	}
2422
2423
2424	//--------------------------------------------------------------------------------------
2425	HRESULT CDXUTLineManager::AddLine( int* pnLineID, D3DXVECTOR2* pVertexList, DWORD dwVertexListCount, D3DCOLOR Color, float fWidth, float fScaleRatio, bool bAntiAlias )
2426	{
2427	if( pVertexList == NULL \|\| dwVertexListCount == 0 )
2428	return E_INVALIDARG;
2429
2430	LINE_NODE* pLineNode = new LINE_NODE;
2431	if( pLineNode == NULL )
2432	return E_OUTOFMEMORY;
2433	ZeroMemory( pLineNode, sizeof(LINE_NODE) );
2434
2435	pLineNode->nLineID = m_LinesList.GetSize();
2436	pLineNode->Color = Color;
2437	pLineNode->fWidth = fWidth;
2438	pLineNode->bAntiAlias = bAntiAlias;
2439	pLineNode->dwVertexListCount = dwVertexListCount;
2440
2441	if( pnLineID )
2442	*pnLineID = pLineNode->nLineID;
2443
2444	pLineNode->pVertexList = new D3DXVECTOR2[dwVertexListCount];
2445	if( pLineNode->pVertexList == NULL )
2446	{
2447	delete pLineNode;
2448	return E_OUTOFMEMORY;
2449	}
2450	for( DWORD i=0; i<dwVertexListCount; i++ )
2451	{
2452	pLineNode->pVertexList[i] = pVertexList[i] * fScaleRatio;
2453	}
2454
2455	m_LinesList.Add( pLineNode );
2456
2457	return S_OK;
2458	}
2459
2460
2461	//--------------------------------------------------------------------------------------
2462	HRESULT CDXUTLineManager::AddRect( int* pnLineID, RECT rc, D3DCOLOR Color, float fWidth, float fScaleRatio, bool bAntiAlias )
2463	{
2464	if( fWidth > 2.0f )
2465	{
2466	D3DXVECTOR2 vertexList[8];
2467
2468	vertexList[0].x = (float)rc.left;
2469	vertexList[0].y = (float)rc.top - (fWidth/2.0f);
2470
2471	vertexList[1].x = (float)rc.left;
2472	vertexList[1].y = (float)rc.bottom + (fWidth/2.0f);
2473
2474	vertexList[2].x = (float)rc.left;
2475	vertexList[2].y = (float)rc.bottom - 0.5f;
2476
2477	vertexList[3].x = (float)rc.right;
2478	vertexList[3].y = (float)rc.bottom - 0.5f;
2479
2480	vertexList[4].x = (float)rc.right;
2481	vertexList[4].y = (float)rc.bottom + (fWidth/2.0f);
2482
2483	vertexList[5].x = (float)rc.right;
2484	vertexList[5].y = (float)rc.top - (fWidth/2.0f);
2485
2486	vertexList[6].x = (float)rc.right;
2487	vertexList[6].y = (float)rc.top;
2488
2489	vertexList[7].x = (float)rc.left;
2490	vertexList[7].y = (float)rc.top;
2491
2492	return AddLine( pnLineID, vertexList, 8, Color, fWidth, fScaleRatio, bAntiAlias );
2493	}
2494	else
2495	{
2496	D3DXVECTOR2 vertexList[5];
2497	vertexList[0].x = (float)rc.left;
2498	vertexList[0].y = (float)rc.top;
2499
2500	vertexList[1].x = (float)rc.left;
2501	vertexList[1].y = (float)rc.bottom;
2502
2503	vertexList[2].x = (float)rc.right;
2504	vertexList[2].y = (float)rc.bottom;
2505
2506	vertexList[3].x = (float)rc.right;
2507	vertexList[3].y = (float)rc.top;
2508
2509	vertexList[4].x = (float)rc.left;
2510	vertexList[4].y = (float)rc.top;
2511
2512	return AddLine( pnLineID, vertexList, 5, Color, fWidth, fScaleRatio, bAntiAlias );
2513	}
2514	}
2515
2516
2517
2518	//--------------------------------------------------------------------------------------
2519	HRESULT CDXUTLineManager::RemoveLine( int nLineID )
2520	{
2521	for( int i=0; i<m_LinesList.GetSize(); i++ )
2522	{
2523	LINE_NODE* pLineNode = m_LinesList.GetAt(i);
2524	if( pLineNode && pLineNode->nLineID == nLineID )
2525	{
2526	SAFE_DELETE_ARRAY( pLineNode->pVertexList );
2527	delete pLineNode;
2528	m_LinesList.SetAt(i, NULL);
2529	}
2530	}
2531
2532	return S_OK;
2533	}
2534
2535
2536	//--------------------------------------------------------------------------------------
2537	HRESULT CDXUTLineManager::RemoveAllLines()
2538	{
2539	for( int i=0; i<m_LinesList.GetSize(); i++ )
2540	{
2541	LINE_NODE* pLineNode = m_LinesList.GetAt(i);
2542	if( pLineNode )
2543	{
2544	SAFE_DELETE_ARRAY( pLineNode->pVertexList );
2545	delete pLineNode;
2546	}
2547	}
2548	m_LinesList.RemoveAll();
2549
2550	return S_OK;
2551	}
2552
2553
2554	//--------------------------------------------------------------------------------------
2555	CDXUTTextHelper::CDXUTTextHelper( ID3DXFont* pFont, ID3DXSprite* pSprite, int nLineHeight )
2556	{
2557	m_pFont = pFont;
2558	m_pSprite = pSprite;
2559	m_clr = D3DXCOLOR(1,1,1,1);
2560	m_pt.x = 0;
2561	m_pt.y = 0;
2562	m_nLineHeight = nLineHeight;
2563	}
2564
2565
2566	//--------------------------------------------------------------------------------------
2567	HRESULT CDXUTTextHelper::DrawFormattedTextLine( const WCHAR* strMsg, ... )
2568	{
2569	WCHAR strBuffer[512];
2570
2571	va_list args;
2572	va_start(args, strMsg);
2573	StringCchVPrintf( strBuffer, 512, strMsg, args );
2574	strBuffer[511] = L'\0';
2575	va_end(args);
2576
2577	return DrawTextLine( strBuffer );
2578	}
2579
2580
2581	//--------------------------------------------------------------------------------------
2582	HRESULT CDXUTTextHelper::DrawTextLine( const WCHAR* strMsg )
2583	{
2584	if( NULL == m_pFont )
2585	return DXUT_ERR_MSGBOX( L"DrawTextLine", E_INVALIDARG );
2586
2587	HRESULT hr;
2588	RECT rc;
2589	SetRect( &rc, m_pt.x, m_pt.y, 0, 0 );
2590	hr = m_pFont->DrawText( m_pSprite, strMsg, -1, &rc, DT_NOCLIP, m_clr );
2591	if( FAILED(hr) )
2592	return DXTRACE_ERR_MSGBOX( L"DrawText", hr );
2593
2594	m_pt.y += m_nLineHeight;
2595
2596	return S_OK;
2597	}
2598
2599
2600	HRESULT CDXUTTextHelper::DrawFormattedTextLine( RECT &rc, DWORD dwFlags, const WCHAR* strMsg, ... )
2601	{
2602	WCHAR strBuffer[512];
2603
2604	va_list args;
2605	va_start(args, strMsg);
2606	StringCchVPrintf( strBuffer, 512, strMsg, args );
2607	strBuffer[511] = L'\0';
2608	va_end(args);
2609
2610	return DrawTextLine( rc, dwFlags, strBuffer );
2611	}
2612
2613
2614	HRESULT CDXUTTextHelper::DrawTextLine( RECT &rc, DWORD dwFlags, const WCHAR* strMsg )
2615	{
2616	if( NULL == m_pFont )
2617	return DXUT_ERR_MSGBOX( L"DrawTextLine", E_INVALIDARG );
2618
2619	HRESULT hr;
2620	hr = m_pFont->DrawText( m_pSprite, strMsg, -1, &rc, dwFlags, m_clr );
2621	if( FAILED(hr) )
2622	return DXTRACE_ERR_MSGBOX( L"DrawText", hr );
2623
2624	m_pt.y += m_nLineHeight;
2625
2626	return S_OK;
2627	}
2628
2629
2630	//--------------------------------------------------------------------------------------
2631	void CDXUTTextHelper::Begin()
2632	{
2633	if( m_pSprite )
2634	m_pSprite->Begin( D3DXSPRITE_ALPHABLEND \| D3DXSPRITE_SORT_TEXTURE );
2635	}
2636	void CDXUTTextHelper::End()
2637	{
2638	if( m_pSprite )
2639	m_pSprite->End();
2640	}
2641
2642
2643	//--------------------------------------------------------------------------------------
2644	IDirect3DDevice9* CDXUTDirectionWidget::s_pd3dDevice = NULL;
2645	ID3DXEffect* CDXUTDirectionWidget::s_pEffect = NULL;
2646	ID3DXMesh* CDXUTDirectionWidget::s_pMesh = NULL;
2647
2648
2649	//--------------------------------------------------------------------------------------
2650	CDXUTDirectionWidget::CDXUTDirectionWidget()
2651	{
2652	m_fRadius = 1.0f;
2653	m_vDefaultDir = D3DXVECTOR3(0,1,0);
2654	m_vCurrentDir = m_vDefaultDir;
2655	m_nRotateMask = MOUSE_RIGHT_BUTTON;
2656
2657	D3DXMatrixIdentity( &m_mView );
2658	D3DXMatrixIdentity( &m_mRot );
2659	D3DXMatrixIdentity( &m_mRotSnapshot );
2660	}
2661
2662
2663	//--------------------------------------------------------------------------------------
2664	HRESULT CDXUTDirectionWidget::StaticOnCreateDevice( IDirect3DDevice9* pd3dDevice )
2665	{
2666	HRESULT hr;
2667
2668	s_pd3dDevice = pd3dDevice;
2669
2670	const char* g_strBuffer =
2671	"float4 g_MaterialDiffuseColor; // Material's diffuse color\r\n"
2672	"float3 g_LightDir; // Light's direction in world space\r\n"
2673	"float4x4 g_mWorld; // World matrix for object\r\n"
2674	"float4x4 g_mWorldViewProjection; // World * View * Projection matrix\r\n"
2675	"\r\n"
2676	"struct VS_OUTPUT\r\n"
2677	"{\r\n"
2678	" float4 Position : POSITION; // vertex position\r\n"
2679	" float4 Diffuse : COLOR0; // vertex diffuse color\r\n"
2680	"};\r\n"
2681	"\r\n"
2682	"VS_OUTPUT RenderWith1LightNoTextureVS( float4 vPos : POSITION,\r\n"
2683	" float3 vNormal : NORMAL )\r\n"
2684	"{\r\n"
2685	" VS_OUTPUT Output;\r\n"
2686	"\r\n"
2687	" // Transform the position from object space to homogeneous projection space\r\n"
2688	" Output.Position = mul(vPos, g_mWorldViewProjection);\r\n"
2689	"\r\n"
2690	" // Transform the normal from object space to world space\r\n"
2691	" float3 vNormalWorldSpace;\r\n"
2692	" vNormalWorldSpace = normalize(mul(vNormal, (float3x3)g_mWorld)); // normal (world space)\r\n"
2693	"\r\n"
2694	" // Compute simple directional lighting equation\r\n"
2695	" Output.Diffuse.rgb = g_MaterialDiffuseColor * max(0,dot(vNormalWorldSpace, g_LightDir));\r\n"
2696	" Output.Diffuse.a = 1.0f;\r\n"
2697	"\r\n"
2698	" return Output;\r\n"
2699	"}\r\n"
2700	"\r\n"
2701	"float4 RenderWith1LightNoTexturePS( float4 Diffuse : COLOR0 ) : COLOR0\r\n"
2702	"{\r\n"
2703	" return Diffuse;\r\n"
2704	"}\r\n"
2705	"\r\n"
2706	"technique RenderWith1LightNoTexture\r\n"
2707	"{\r\n"
2708	" pass P0\r\n"
2709	" {\r\n"
2710	" VertexShader = compile vs_2_0 RenderWith1LightNoTextureVS();\r\n"
2711	" PixelShader = compile ps_2_0 RenderWith1LightNoTexturePS();\r\n"
2712	" }\r\n"
2713	"}\r\n"
2714	"";
2715
2716	UINT dwBufferSize = (UINT)strlen(g_strBuffer) + 1;
2717
2718	V_RETURN( D3DXCreateEffect( s_pd3dDevice, g_strBuffer, dwBufferSize, NULL, NULL, D3DXFX_NOT_CLONEABLE, NULL, &s_pEffect, NULL ) );
2719
2720	// Load the mesh with D3DX and get back a ID3DXMesh*. For this
2721	// sample we'll ignore the X file's embedded materials since we know
2722	// exactly the model we're loading. See the mesh samples such as
2723	// "OptimizedMesh" for a more generic mesh loading example.
2724	V_RETURN( DXUTCreateArrowMeshFromInternalArray( s_pd3dDevice, &s_pMesh ) );
2725
2726	// Optimize the mesh for this graphics card's vertex cache
2727	// so when rendering the mesh's triangle list the vertices will
2728	// cache hit more often so it won't have to re-execute the vertex shader
2729	// on those vertices so it will improve perf.
2730	DWORD* rgdwAdjacency = new DWORD[s_pMesh->GetNumFaces() * 3];
2731	if( rgdwAdjacency == NULL )
2732	return E_OUTOFMEMORY;
2733	V( s_pMesh->GenerateAdjacency(1e-6f,rgdwAdjacency) );
2734	V( s_pMesh->OptimizeInplace(D3DXMESHOPT_VERTEXCACHE, rgdwAdjacency, NULL, NULL, NULL) );
2735	delete []rgdwAdjacency;
2736
2737	return S_OK;
2738	}
2739
2740
2741	//--------------------------------------------------------------------------------------
2742	HRESULT CDXUTDirectionWidget::OnResetDevice( const D3DSURFACE_DESC* pBackBufferSurfaceDesc )
2743	{
2744	m_ArcBall.SetWindow( pBackBufferSurfaceDesc->Width, pBackBufferSurfaceDesc->Height );
2745	return S_OK;
2746	}
2747
2748
2749	//--------------------------------------------------------------------------------------
2750	void CDXUTDirectionWidget::StaticOnLostDevice()
2751	{
2752	if( s_pEffect )
2753	s_pEffect->OnLostDevice();
2754	}
2755
2756
2757	//--------------------------------------------------------------------------------------
2758	void CDXUTDirectionWidget::StaticOnDestroyDevice()
2759	{
2760	SAFE_RELEASE(s_pEffect);
2761	SAFE_RELEASE(s_pMesh);
2762	}
2763
2764
2765	//--------------------------------------------------------------------------------------
2766	LRESULT CDXUTDirectionWidget::HandleMessages( HWND hWnd, UINT uMsg,
2767	WPARAM wParam, LPARAM lParam )
2768	{
2769	switch( uMsg )
2770	{
2771	case WM_LBUTTONDOWN:
2772	case WM_MBUTTONDOWN:
2773	case WM_RBUTTONDOWN:
2774	{
2775	if( ((m_nRotateMask & MOUSE_LEFT_BUTTON) != 0 && uMsg == WM_LBUTTONDOWN) \|\|
2776	((m_nRotateMask & MOUSE_MIDDLE_BUTTON) != 0 && uMsg == WM_MBUTTONDOWN) \|\|
2777	((m_nRotateMask & MOUSE_RIGHT_BUTTON) != 0 && uMsg == WM_RBUTTONDOWN) )
2778	{
2779	int iMouseX = (int)(short)LOWORD(lParam);
2780	int iMouseY = (int)(short)HIWORD(lParam);
2781	m_ArcBall.OnBegin( iMouseX, iMouseY );
2782	SetCapture(hWnd);
2783	}
2784	return TRUE;
2785	}
2786
2787	case WM_MOUSEMOVE:
2788	{
2789	if( m_ArcBall.IsBeingDragged() )
2790	{
2791	int iMouseX = (int)(short)LOWORD(lParam);
2792	int iMouseY = (int)(short)HIWORD(lParam);
2793	m_ArcBall.OnMove( iMouseX, iMouseY );
2794	UpdateLightDir();
2795	}
2796	return TRUE;
2797	}
2798
2799	case WM_LBUTTONUP:
2800	case WM_MBUTTONUP:
2801	case WM_RBUTTONUP:
2802	{
2803	if( ((m_nRotateMask & MOUSE_LEFT_BUTTON) != 0 && uMsg == WM_LBUTTONUP) \|\|
2804	((m_nRotateMask & MOUSE_MIDDLE_BUTTON) != 0 && uMsg == WM_MBUTTONUP) \|\|
2805	((m_nRotateMask & MOUSE_RIGHT_BUTTON) != 0 && uMsg == WM_RBUTTONUP) )
2806	{
2807	m_ArcBall.OnEnd();
2808	ReleaseCapture();
2809	}
2810
2811	UpdateLightDir();
2812	return TRUE;
2813	}
2814
2815	case WM_CAPTURECHANGED:
2816	{
2817	if( (HWND)lParam != hWnd )
2818	{
2819	if( (m_nRotateMask & MOUSE_LEFT_BUTTON) \|\|
2820	(m_nRotateMask & MOUSE_MIDDLE_BUTTON) \|\|
2821	(m_nRotateMask & MOUSE_RIGHT_BUTTON) )
2822	{
2823	m_ArcBall.OnEnd();
2824	ReleaseCapture();
2825	}
2826	}
2827
2828	return TRUE;
2829	}
2830	}
2831
2832	return 0;
2833	}
2834
2835
2836	//--------------------------------------------------------------------------------------
2837	HRESULT CDXUTDirectionWidget::OnRender( D3DXCOLOR color, const D3DXMATRIX* pmView,
2838	const D3DXMATRIX* pmProj, const D3DXVECTOR3* pEyePt )
2839	{
2840	m_mView = *pmView;
2841
2842	// Render the light spheres so the user can visually see the light dir
2843	UINT iPass, cPasses;
2844	D3DXMATRIX mRotate;
2845	D3DXMATRIX mScale;
2846	D3DXMATRIX mTrans;
2847	D3DXMATRIXA16 mWorldViewProj;
2848	HRESULT hr;
2849
2850	V( s_pEffect->SetTechnique( "RenderWith1LightNoTexture" ) );
2851	V( s_pEffect->SetVector( "g_MaterialDiffuseColor", (D3DXVECTOR4*)&color ) );
2852
2853	D3DXVECTOR3 vEyePt;
2854	D3DXVec3Normalize( &vEyePt, pEyePt );
2855	V( s_pEffect->SetValue( "g_LightDir", &vEyePt, sizeof(D3DXVECTOR3) ) );
2856
2857	// Rotate arrow model to point towards origin
2858	D3DXMATRIX mRotateA, mRotateB;
2859	D3DXVECTOR3 vAt = D3DXVECTOR3(0,0,0);
2860	D3DXVECTOR3 vUp = D3DXVECTOR3(0,1,0);
2861	D3DXMatrixRotationX( &mRotateB, D3DX_PI );
2862	D3DXMatrixLookAtLH( &mRotateA, &m_vCurrentDir, &vAt, &vUp );
2863	D3DXMatrixInverse( &mRotateA, NULL, &mRotateA );
2864	mRotate = mRotateB * mRotateA;
2865
2866	D3DXVECTOR3 vL = m_vCurrentDir * m_fRadius * 1.0f;
2867	D3DXMatrixTranslation( &mTrans, vL.x, vL.y, vL.z );
2868	D3DXMatrixScaling( &mScale, m_fRadius0.2f, m_fRadius0.2f, m_fRadius*0.2f );
2869
2870	D3DXMATRIX mWorld = mRotate * mScale * mTrans;
2871	mWorldViewProj = mWorld * (m_mView) * (*pmProj);
2872
2873	V( s_pEffect->SetMatrix( "g_mWorldViewProjection", &mWorldViewProj ) );
2874	V( s_pEffect->SetMatrix( "g_mWorld", &mWorld ) );
2875
2876	for( int iSubset=0; iSubset<2; iSubset++ )
2877	{
2878	V( s_pEffect->Begin(&cPasses, 0) );
2879	for (iPass = 0; iPass < cPasses; iPass++)
2880	{
2881	V( s_pEffect->BeginPass(iPass) );
2882	V( s_pMesh->DrawSubset(iSubset) );
2883	V( s_pEffect->EndPass() );
2884	}
2885	V( s_pEffect->End() );
2886	}
2887
2888	return S_OK;
2889	}
2890
2891
2892	//--------------------------------------------------------------------------------------
2893	HRESULT CDXUTDirectionWidget::UpdateLightDir()
2894	{
2895	D3DXMATRIX mInvView;
2896	D3DXMatrixInverse(&mInvView, NULL, &m_mView);
2897	mInvView._41 = mInvView._42 = mInvView._43 = 0;
2898
2899	D3DXMATRIX mLastRotInv;
2900	D3DXMatrixInverse(&mLastRotInv, NULL, &m_mRotSnapshot);
2901
2902	D3DXMATRIX mRot = *m_ArcBall.GetRotationMatrix();
2903	m_mRotSnapshot = mRot;
2904
2905	// Accumulate the delta of the arcball's rotation in view space.
2906	// Note that per-frame delta rotations could be problematic over long periods of time.
2907	m_mRot = m_mView mLastRotInv * mRot * mInvView;
2908
2909	// Since we're accumulating delta rotations, we need to orthonormalize
2910	// the matrix to prevent eventual matrix skew
2911	D3DXVECTOR3* pXBasis = (D3DXVECTOR3*) &m_mRot._11;
2912	D3DXVECTOR3* pYBasis = (D3DXVECTOR3*) &m_mRot._21;
2913	D3DXVECTOR3* pZBasis = (D3DXVECTOR3*) &m_mRot._31;
2914	D3DXVec3Normalize( pXBasis, pXBasis );
2915	D3DXVec3Cross( pYBasis, pZBasis, pXBasis );
2916	D3DXVec3Normalize( pYBasis, pYBasis );
2917	D3DXVec3Cross( pZBasis, pXBasis, pYBasis );
2918
2919	// Transform the default direction vector by the light's rotation matrix
2920	D3DXVec3TransformNormal( &m_vCurrentDir, &m_vDefaultDir, &m_mRot );
2921
2922	return S_OK;
2923	}
2924
2925	//--------------------------------------------------------------------------------------
2926	// Direct3D9 dynamic linking support -- calls top-level D3D9 APIs with graceful
2927	// failure if APIs are not present.
2928	//--------------------------------------------------------------------------------------
2929
2930	// Function prototypes
2931	typedef IDirect3D9* (WINAPI * LPDIRECT3DCREATE9) (UINT);
2932	typedef INT (WINAPI * LPD3DPERF_BEGINEVENT)(D3DCOLOR, LPCWSTR);
2933	typedef INT (WINAPI * LPD3DPERF_ENDEVENT)(void);
2934	typedef VOID (WINAPI * LPD3DPERF_SETMARKER)(D3DCOLOR, LPCWSTR);
2935	typedef VOID (WINAPI * LPD3DPERF_SETREGION)(D3DCOLOR, LPCWSTR);
2936	typedef BOOL (WINAPI * LPD3DPERF_QUERYREPEATFRAME)(void);
2937	typedef VOID (WINAPI * LPD3DPERF_SETOPTIONS)( DWORD dwOptions );
2938	typedef DWORD (WINAPI * LPD3DPERF_GETSTATUS)( void );
2939
2940	// Module and function pointers
2941	static HMODULE s_hModD3D9 = NULL;
2942	static LPDIRECT3DCREATE9 s_DynamicDirect3DCreate9 = NULL;
2943	static LPD3DPERF_BEGINEVENT s_DynamicD3DPERF_BeginEvent = NULL;
2944	static LPD3DPERF_ENDEVENT s_DynamicD3DPERF_EndEvent = NULL;
2945	static LPD3DPERF_SETMARKER s_DynamicD3DPERF_SetMarker = NULL;
2946	static LPD3DPERF_SETREGION s_DynamicD3DPERF_SetRegion = NULL;
2947	static LPD3DPERF_QUERYREPEATFRAME s_DynamicD3DPERF_QueryRepeatFrame = NULL;
2948	static LPD3DPERF_SETOPTIONS s_DynamicD3DPERF_SetOptions = NULL;
2949	static LPD3DPERF_GETSTATUS s_DynamicD3DPERF_GetStatus = NULL;
2950
2951	// Ensure function pointers are initialized
2952	static bool DXUT_EnsureD3DAPIs( void )
2953	{
2954	// If module is non-NULL, this function has already been called. Note
2955	// that this doesn't guarantee that all D3D9 procaddresses were found.
2956	if( s_hModD3D9 != NULL )
2957	return true;
2958
2959	// This may fail if DirectX 9 isn't installed
2960	s_hModD3D9 = LoadLibrary( L"d3d9.dll" );
2961	if( s_hModD3D9 == NULL )
2962	return false;
2963	s_DynamicDirect3DCreate9 = (LPDIRECT3DCREATE9)GetProcAddress( s_hModD3D9, "Direct3DCreate9" );
2964	s_DynamicD3DPERF_BeginEvent = (LPD3DPERF_BEGINEVENT)GetProcAddress( s_hModD3D9, "D3DPERF_BeginEvent" );
2965	s_DynamicD3DPERF_EndEvent = (LPD3DPERF_ENDEVENT)GetProcAddress( s_hModD3D9, "D3DPERF_EndEvent" );
2966	s_DynamicD3DPERF_SetMarker = (LPD3DPERF_SETMARKER)GetProcAddress( s_hModD3D9, "D3DPERF_SetMarker" );
2967	s_DynamicD3DPERF_SetRegion = (LPD3DPERF_SETREGION)GetProcAddress( s_hModD3D9, "D3DPERF_SetRegion" );
2968	s_DynamicD3DPERF_QueryRepeatFrame = (LPD3DPERF_QUERYREPEATFRAME)GetProcAddress( s_hModD3D9, "D3DPERF_QueryRepeatFrame" );
2969	s_DynamicD3DPERF_SetOptions = (LPD3DPERF_SETOPTIONS)GetProcAddress( s_hModD3D9, "D3DPERF_SetOptions" );
2970	s_DynamicD3DPERF_GetStatus = (LPD3DPERF_GETSTATUS)GetProcAddress( s_hModD3D9, "D3DPERF_GetStatus" );
2971	return true;
2972	}
2973
2974	IDirect3D9 * WINAPI DXUT_Dynamic_Direct3DCreate9(UINT SDKVersion)
2975	{
2976	if( DXUT_EnsureD3DAPIs() && s_DynamicDirect3DCreate9 != NULL )
2977	return s_DynamicDirect3DCreate9( SDKVersion );
2978	else
2979	return NULL;
2980	}
2981
2982	int WINAPI DXUT_Dynamic_D3DPERF_BeginEvent( D3DCOLOR col, LPCWSTR wszName )
2983	{
2984	if( DXUT_EnsureD3DAPIs() && s_DynamicD3DPERF_BeginEvent != NULL )
2985	return s_DynamicD3DPERF_BeginEvent( col, wszName );
2986	else
2987	return -1;
2988	}
2989
2990	int WINAPI DXUT_Dynamic_D3DPERF_EndEvent( void )
2991	{
2992	if( DXUT_EnsureD3DAPIs() && s_DynamicD3DPERF_EndEvent != NULL )
2993	return s_DynamicD3DPERF_EndEvent();
2994	else
2995	return -1;
2996	}
2997
2998	void WINAPI DXUT_Dynamic_D3DPERF_SetMarker( D3DCOLOR col, LPCWSTR wszName )
2999	{
3000	if( DXUT_EnsureD3DAPIs() && s_DynamicD3DPERF_SetMarker != NULL )
3001	s_DynamicD3DPERF_SetMarker( col, wszName );
3002	}
3003
3004	void WINAPI DXUT_Dynamic_D3DPERF_SetRegion( D3DCOLOR col, LPCWSTR wszName )
3005	{
3006	if( DXUT_EnsureD3DAPIs() && s_DynamicD3DPERF_SetRegion != NULL )
3007	s_DynamicD3DPERF_SetRegion( col, wszName );
3008	}
3009
3010	BOOL WINAPI DXUT_Dynamic_D3DPERF_QueryRepeatFrame( void )
3011	{
3012	if( DXUT_EnsureD3DAPIs() && s_DynamicD3DPERF_QueryRepeatFrame != NULL )
3013	return s_DynamicD3DPERF_QueryRepeatFrame();
3014	else
3015	return FALSE;
3016	}
3017
3018	void WINAPI DXUT_Dynamic_D3DPERF_SetOptions( DWORD dwOptions )
3019	{
3020	if( DXUT_EnsureD3DAPIs() && s_DynamicD3DPERF_SetOptions != NULL )
3021	s_DynamicD3DPERF_SetOptions( dwOptions );
3022	}
3023
3024	DWORD WINAPI DXUT_Dynamic_D3DPERF_GetStatus( void )
3025	{
3026	if( DXUT_EnsureD3DAPIs() && s_DynamicD3DPERF_GetStatus != NULL )
3027	return s_DynamicD3DPERF_GetStatus();
3028	else
3029	return 0;
3030	}
3031
3032
3033	//--------------------------------------------------------------------------------------
3034	// Trace a string description of a decl
3035	//--------------------------------------------------------------------------------------
3036	void DXUTTraceDecl( D3DVERTEXELEMENT9 decl[MAX_FVF_DECL_SIZE] )
3037	{
3038	int iDecl=0;
3039	for( iDecl=0; iDecl<MAX_FVF_DECL_SIZE; iDecl++ )
3040	{
3041	if( decl[iDecl].Stream == 0xFF )
3042	break;
3043
3044	DXUTOutputDebugString( L"decl[%d]=Stream:%d, Offset:%d, %s, %s, %s, UsageIndex:%d\n", iDecl,
3045	decl[iDecl].Stream,
3046	decl[iDecl].Offset,
3047	DXUTTraceD3DDECLTYPEtoString( decl[iDecl].Type ),
3048	DXUTTraceD3DDECLMETHODtoString( decl[iDecl].Method ),
3049	DXUTTraceD3DDECLUSAGEtoString( decl[iDecl].Usage ),
3050	decl[iDecl].UsageIndex );
3051	}
3052
3053	DXUTOutputDebugString( L"decl[%d]=D3DDECL_END\n", iDecl );
3054	}
3055
3056
3057	//--------------------------------------------------------------------------------------
3058	WCHAR* DXUTTraceD3DDECLTYPEtoString( BYTE t )
3059	{
3060	switch( t )
3061	{
3062	case D3DDECLTYPE_FLOAT1: return L"D3DDECLTYPE_FLOAT1";
3063	case D3DDECLTYPE_FLOAT2: return L"D3DDECLTYPE_FLOAT2";
3064	case D3DDECLTYPE_FLOAT3: return L"D3DDECLTYPE_FLOAT3";
3065	case D3DDECLTYPE_FLOAT4: return L"D3DDECLTYPE_FLOAT4";
3066	case D3DDECLTYPE_D3DCOLOR: return L"D3DDECLTYPE_D3DCOLOR";
3067	case D3DDECLTYPE_UBYTE4: return L"D3DDECLTYPE_UBYTE4";
3068	case D3DDECLTYPE_SHORT2: return L"D3DDECLTYPE_SHORT2";
3069	case D3DDECLTYPE_SHORT4: return L"D3DDECLTYPE_SHORT4";
3070	case D3DDECLTYPE_UBYTE4N: return L"D3DDECLTYPE_UBYTE4N";
3071	case D3DDECLTYPE_SHORT2N: return L"D3DDECLTYPE_SHORT2N";
3072	case D3DDECLTYPE_SHORT4N: return L"D3DDECLTYPE_SHORT4N";
3073	case D3DDECLTYPE_USHORT2N: return L"D3DDECLTYPE_USHORT2N";
3074	case D3DDECLTYPE_USHORT4N: return L"D3DDECLTYPE_USHORT4N";
3075	case D3DDECLTYPE_UDEC3: return L"D3DDECLTYPE_UDEC3";
3076	case D3DDECLTYPE_DEC3N: return L"D3DDECLTYPE_DEC3N";
3077	case D3DDECLTYPE_FLOAT16_2: return L"D3DDECLTYPE_FLOAT16_2";
3078	case D3DDECLTYPE_FLOAT16_4: return L"D3DDECLTYPE_FLOAT16_4";
3079	case D3DDECLTYPE_UNUSED: return L"D3DDECLTYPE_UNUSED";
3080	default: return L"D3DDECLTYPE Unknown";
3081	}
3082	}
3083
3084	WCHAR* DXUTTraceD3DDECLMETHODtoString( BYTE m )
3085	{
3086	switch( m )
3087	{
3088	case D3DDECLMETHOD_DEFAULT: return L"D3DDECLMETHOD_DEFAULT";
3089	case D3DDECLMETHOD_PARTIALU: return L"D3DDECLMETHOD_PARTIALU";
3090	case D3DDECLMETHOD_PARTIALV: return L"D3DDECLMETHOD_PARTIALV";
3091	case D3DDECLMETHOD_CROSSUV: return L"D3DDECLMETHOD_CROSSUV";
3092	case D3DDECLMETHOD_UV: return L"D3DDECLMETHOD_UV";
3093	case D3DDECLMETHOD_LOOKUP: return L"D3DDECLMETHOD_LOOKUP";
3094	case D3DDECLMETHOD_LOOKUPPRESAMPLED: return L"D3DDECLMETHOD_LOOKUPPRESAMPLED";
3095	default: return L"D3DDECLMETHOD Unknown";
3096	}
3097	}
3098
3099	WCHAR* DXUTTraceD3DDECLUSAGEtoString( BYTE u )
3100	{
3101	switch( u )
3102	{
3103	case D3DDECLUSAGE_POSITION: return L"D3DDECLUSAGE_POSITION";
3104	case D3DDECLUSAGE_BLENDWEIGHT: return L"D3DDECLUSAGE_BLENDWEIGHT";
3105	case D3DDECLUSAGE_BLENDINDICES: return L"D3DDECLUSAGE_BLENDINDICES";
3106	case D3DDECLUSAGE_NORMAL: return L"D3DDECLUSAGE_NORMAL";
3107	case D3DDECLUSAGE_PSIZE: return L"D3DDECLUSAGE_PSIZE";
3108	case D3DDECLUSAGE_TEXCOORD: return L"D3DDECLUSAGE_TEXCOORD";
3109	case D3DDECLUSAGE_TANGENT: return L"D3DDECLUSAGE_TANGENT";
3110	case D3DDECLUSAGE_BINORMAL: return L"D3DDECLUSAGE_BINORMAL";
3111	case D3DDECLUSAGE_TESSFACTOR: return L"D3DDECLUSAGE_TESSFACTOR";
3112	case D3DDECLUSAGE_POSITIONT: return L"D3DDECLUSAGE_POSITIONT";
3113	case D3DDECLUSAGE_COLOR: return L"D3DDECLUSAGE_COLOR";
3114	case D3DDECLUSAGE_FOG: return L"D3DDECLUSAGE_FOG";
3115	case D3DDECLUSAGE_DEPTH: return L"D3DDECLUSAGE_DEPTH";
3116	case D3DDECLUSAGE_SAMPLE: return L"D3DDECLUSAGE_SAMPLE";
3117	default: return L"D3DDECLUSAGE Unknown";
3118	}
3119	}
3120
3121
3122	//--------------------------------------------------------------------------------------
3123	// Multimon API handling for OSes with or without multimon API support
3124	//--------------------------------------------------------------------------------------
3125	#define DXUT_PRIMARY_MONITOR ((HMONITOR)0x12340042)
3126	typedef HMONITOR (WINAPI* LPMONITORFROMWINDOW)(HWND, DWORD);
3127	typedef BOOL (WINAPI* LPGETMONITORINFO)(HMONITOR, LPMONITORINFO);
3128
3129	BOOL DXUTGetMonitorInfo(HMONITOR hMonitor, LPMONITORINFO lpMonitorInfo)
3130	{
3131	static bool s_bInited = false;
3132	static LPGETMONITORINFO s_pFnGetMonitorInfo = NULL;
3133	if( !s_bInited )
3134	{
3135	s_bInited = true;
3136	HMODULE hUser32 = GetModuleHandle( L"USER32" );
3137	if (hUser32 )
3138	{
3139	OSVERSIONINFOA osvi = {0}; osvi.dwOSVersionInfoSize = sizeof(osvi); GetVersionExA((OSVERSIONINFOA*)&osvi);
3140	bool bNT = (VER_PLATFORM_WIN32_NT == osvi.dwPlatformId);
3141	s_pFnGetMonitorInfo = (LPGETMONITORINFO) (bNT ? GetProcAddress(hUser32,"GetMonitorInfoW") : GetProcAddress(hUser32,"GetMonitorInfoA"));
3142	}
3143	}
3144
3145	if( s_pFnGetMonitorInfo )
3146	return s_pFnGetMonitorInfo(hMonitor, lpMonitorInfo);
3147
3148	RECT rcWork;
3149	if ((hMonitor == DXUT_PRIMARY_MONITOR) && lpMonitorInfo && (lpMonitorInfo->cbSize >= sizeof(MONITORINFO)) && SystemParametersInfoA(SPI_GETWORKAREA, 0, &rcWork, 0))
3150	{
3151	lpMonitorInfo->rcMonitor.left = 0;
3152	lpMonitorInfo->rcMonitor.top = 0;
3153	lpMonitorInfo->rcMonitor.right = GetSystemMetrics(SM_CXSCREEN);
3154	lpMonitorInfo->rcMonitor.bottom = GetSystemMetrics(SM_CYSCREEN);
3155	lpMonitorInfo->rcWork = rcWork;
3156	lpMonitorInfo->dwFlags = MONITORINFOF_PRIMARY;
3157	return TRUE;
3158	}
3159	return FALSE;
3160	}
3161
3162
3163	HMONITOR DXUTMonitorFromWindow(HWND hWnd, DWORD dwFlags)
3164	{
3165	static bool s_bInited = false;
3166	static LPMONITORFROMWINDOW s_pFnGetMonitorFronWindow = NULL;
3167	if( !s_bInited )
3168	{
3169	s_bInited = true;
3170	HMODULE hUser32 = GetModuleHandle( L"USER32" );
3171	if (hUser32 ) s_pFnGetMonitorFronWindow = (LPMONITORFROMWINDOW) GetProcAddress(hUser32,"MonitorFromWindow");
3172	}
3173
3174	if( s_pFnGetMonitorFronWindow )
3175	return s_pFnGetMonitorFronWindow(hWnd, dwFlags);
3176	if (dwFlags & (MONITOR_DEFAULTTOPRIMARY \| MONITOR_DEFAULTTONEAREST))
3177	return DXUT_PRIMARY_MONITOR;
3178	return NULL;
3179	}
3180
3181
3182	//--------------------------------------------------------------------------------------
3183	// Get the desktop resolution of an adapter. This isn't the same as the current resolution
3184	// from GetAdapterDisplayMode since the device might be fullscreen
3185	//--------------------------------------------------------------------------------------
3186	void DXUTGetDesktopResolution( UINT AdapterOrdinal, UINT* pWidth, UINT* pHeight )
3187	{
3188	CD3DEnumeration* pd3dEnum = DXUTGetEnumeration();
3189	CD3DEnumAdapterInfo* pAdapterInfo = pd3dEnum->GetAdapterInfo( AdapterOrdinal );
3190	DEVMODE devMode;
3191	ZeroMemory( &devMode, sizeof(DEVMODE) );
3192	devMode.dmSize = sizeof(DEVMODE);
3193	WCHAR strDeviceName[256];
3194	MultiByteToWideChar( CP_ACP, 0, pAdapterInfo->AdapterIdentifier.DeviceName, -1, strDeviceName, 256 );
3195	strDeviceName[255] = 0;
3196	EnumDisplaySettings( strDeviceName, ENUM_REGISTRY_SETTINGS, &devMode );
3197
3198	if( pWidth )
3199	*pWidth = devMode.dmPelsWidth;
3200	if( pHeight )
3201	*pHeight = devMode.dmPelsHeight;
3202	}
3203
3204
3205	//--------------------------------------------------------------------------------------
3206	IDirect3DDevice9* DXUTCreateRefDevice( HWND hWnd, bool bNullRef )
3207	{
3208	HRESULT hr;
3209	IDirect3D9* pD3D = DXUT_Dynamic_Direct3DCreate9( D3D_SDK_VERSION );
3210	if( NULL == pD3D )
3211	return NULL;
3212
3213	D3DDISPLAYMODE Mode;
3214	pD3D->GetAdapterDisplayMode(0, &Mode);
3215
3216	D3DPRESENT_PARAMETERS pp;
3217	ZeroMemory( &pp, sizeof(D3DPRESENT_PARAMETERS) );
3218	pp.BackBufferWidth = 1;
3219	pp.BackBufferHeight = 1;
3220	pp.BackBufferFormat = Mode.Format;
3221	pp.BackBufferCount = 1;
3222	pp.SwapEffect = D3DSWAPEFFECT_COPY;
3223	pp.Windowed = TRUE;
3224	pp.hDeviceWindow = hWnd;
3225
3226	IDirect3DDevice9* pd3dDevice = NULL;
3227	hr = pD3D->CreateDevice( D3DADAPTER_DEFAULT, bNullRef ? D3DDEVTYPE_NULLREF : D3DDEVTYPE_REF,
3228	hWnd, D3DCREATE_HARDWARE_VERTEXPROCESSING, &pp, &pd3dDevice );
3229
3230	SAFE_RELEASE( pD3D );
3231	return pd3dDevice;
3232	}
3233
3234
3235	typedef DWORD (WINAPI* LPXINPUTGETSTATE)(DWORD dwUserIndex, XINPUT_STATE* pState );
3236	typedef DWORD (WINAPI* LPXINPUTSETSTATE)(DWORD dwUserIndex, XINPUT_VIBRATION* pVibration );
3237	typedef DWORD (WINAPI* LPXINPUTGETCAPABILITIES)( DWORD dwUserIndex, DWORD dwFlags, XINPUT_CAPABILITIES* pCapabilities );
3238	typedef void (WINAPI* LPXINPUTENABLE)(BOOL bEnable);
3239
3240
3241
3242	//--------------------------------------------------------------------------------------
3243	// Does extra processing on XInput data to make it slightly more convenient to use
3244	//--------------------------------------------------------------------------------------
3245	HRESULT DXUTGetGamepadState( DWORD dwPort, DXUT_GAMEPAD* pGamePad, bool bThumbstickDeadZone, bool bSnapThumbstickToCardinals )
3246	{
3247	if( dwPort >= DXUT_MAX_CONTROLLERS \|\| pGamePad == NULL )
3248	return E_FAIL;
3249
3250	static LPXINPUTGETSTATE s_pXInputGetState = NULL;
3251	static LPXINPUTGETCAPABILITIES s_pXInputGetCapabilities = NULL;
3252	if( NULL == s_pXInputGetState \|\| NULL == s_pXInputGetCapabilities )
3253	{
3254	HINSTANCE hInst = LoadLibrary( XINPUT_DLL );
3255	if( hInst )
3256	{
3257	s_pXInputGetState = (LPXINPUTGETSTATE)GetProcAddress( hInst, "XInputGetState" );
3258	s_pXInputGetCapabilities = (LPXINPUTGETCAPABILITIES)GetProcAddress( hInst, "XInputGetCapabilities" );
3259	}
3260	}
3261	if( s_pXInputGetState == NULL )
3262	return E_FAIL;
3263
3264	XINPUT_STATE InputState;
3265	DWORD dwResult = s_pXInputGetState( dwPort, &InputState );
3266
3267	// Track insertion and removals
3268	BOOL bWasConnected = pGamePad->bConnected;
3269	pGamePad->bConnected = (dwResult == ERROR_SUCCESS);
3270	pGamePad->bRemoved = ( bWasConnected && !pGamePad->bConnected );
3271	pGamePad->bInserted = ( !bWasConnected && pGamePad->bConnected );
3272
3273	// Don't update rest of the state if not connected
3274	if( !pGamePad->bConnected )
3275	return S_OK;
3276
3277	// Store the capabilities of the device
3278	if( pGamePad->bInserted )
3279	{
3280	ZeroMemory( pGamePad, sizeof(DXUT_GAMEPAD) );
3281	pGamePad->bConnected = true;
3282	pGamePad->bInserted = true;
3283	if( s_pXInputGetCapabilities )
3284	s_pXInputGetCapabilities( dwPort, XINPUT_DEVTYPE_GAMEPAD, &pGamePad->caps );
3285	}
3286
3287	// Copy gamepad to local structure (assumes that XINPUT_GAMEPAD at the front in CONTROLER_STATE)
3288	memcpy( pGamePad, &InputState.Gamepad, sizeof(XINPUT_GAMEPAD) );
3289
3290	if( bSnapThumbstickToCardinals )
3291	{
3292	// Apply deadzone to each axis independantly to slightly snap to up/down/left/right
3293	if( pGamePad->sThumbLX < XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE && pGamePad->sThumbLX > -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE )
3294	pGamePad->sThumbLX = 0;
3295	if( pGamePad->sThumbLY < XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE && pGamePad->sThumbLY > -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE )
3296	pGamePad->sThumbLY = 0;
3297	if( pGamePad->sThumbRX < XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE && pGamePad->sThumbRX > -XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE )
3298	pGamePad->sThumbRX = 0;
3299	if( pGamePad->sThumbRY < XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE && pGamePad->sThumbRY > -XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE )
3300	pGamePad->sThumbRY = 0;
3301	}
3302	else if( bThumbstickDeadZone )
3303	{
3304	// Apply deadzone if centered
3305	if( (pGamePad->sThumbLX < XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE && pGamePad->sThumbLX > -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) &&
3306	(pGamePad->sThumbLY < XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE && pGamePad->sThumbLY > -XINPUT_GAMEPAD_LEFT_THUMB_DEADZONE) )
3307	{
3308	pGamePad->sThumbLX = 0;
3309	pGamePad->sThumbLY = 0;
3310	}
3311	if( (pGamePad->sThumbRX < XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE && pGamePad->sThumbRX > -XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE) &&
3312	(pGamePad->sThumbRY < XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE && pGamePad->sThumbRY > -XINPUT_GAMEPAD_RIGHT_THUMB_DEADZONE) )
3313	{
3314	pGamePad->sThumbRX = 0;
3315	pGamePad->sThumbRY = 0;
3316	}
3317	}
3318
3319	// Convert [-1,+1] range
3320	pGamePad->fThumbLX = pGamePad->sThumbLX / 32767.0f;
3321	pGamePad->fThumbLY = pGamePad->sThumbLY / 32767.0f;
3322	pGamePad->fThumbRX = pGamePad->sThumbRX / 32767.0f;
3323	pGamePad->fThumbRY = pGamePad->sThumbRY / 32767.0f;
3324
3325	// Get the boolean buttons that have been pressed since the last call.
3326	// Each button is represented by one bit.
3327	pGamePad->wPressedButtons = ( pGamePad->wLastButtons ^ pGamePad->wButtons ) & pGamePad->wButtons;
3328	pGamePad->wLastButtons = pGamePad->wButtons;
3329
3330	// Figure out if the left trigger has been pressed or released
3331	bool bPressed = ( pGamePad->bLeftTrigger > DXUT_GAMEPAD_TRIGGER_THRESHOLD );
3332	pGamePad->bPressedLeftTrigger = ( bPressed ) ? !pGamePad->bLastLeftTrigger : false;
3333	pGamePad->bLastLeftTrigger = bPressed;
3334
3335	// Figure out if the right trigger has been pressed or released
3336	bPressed = ( pGamePad->bRightTrigger > DXUT_GAMEPAD_TRIGGER_THRESHOLD );
3337	pGamePad->bPressedRightTrigger = ( bPressed ) ? !pGamePad->bLastRightTrigger : false;
3338	pGamePad->bLastRightTrigger = bPressed;
3339
3340	return S_OK;
3341	}
3342
3343
3344	//--------------------------------------------------------------------------------------
3345	// Don't pause the game or deactive the window without first stopping rumble otherwise
3346	// the controller will continue to rumble
3347	//--------------------------------------------------------------------------------------
3348	void DXUTEnableXInput( bool bEnable )
3349	{
3350	static LPXINPUTENABLE s_pXInputEnable = NULL;
3351	if( NULL == s_pXInputEnable )
3352	{
3353	HINSTANCE hInst = LoadLibrary( XINPUT_DLL );
3354	if( hInst )
3355	s_pXInputEnable = (LPXINPUTENABLE)GetProcAddress( hInst, "XInputEnable" );
3356	}
3357
3358	if( s_pXInputEnable )
3359	s_pXInputEnable( bEnable );
3360	}
3361
3362
3363	//--------------------------------------------------------------------------------------
3364	// Don't pause the game or deactive the window without first stopping rumble otherwise
3365	// the controller will continue to rumble
3366	//--------------------------------------------------------------------------------------
3367	HRESULT DXUTStopRumbleOnAllControllers()
3368	{
3369	static LPXINPUTSETSTATE s_pXInputSetState = NULL;
3370	if( NULL == s_pXInputSetState )
3371	{
3372	HINSTANCE hInst = LoadLibrary( XINPUT_DLL );
3373	if( hInst )
3374	s_pXInputSetState = (LPXINPUTSETSTATE)GetProcAddress( hInst, "XInputSetState" );
3375	}
3376	if( s_pXInputSetState == NULL )
3377	return E_FAIL;
3378
3379	XINPUT_VIBRATION vibration;
3380	vibration.wLeftMotorSpeed = 0;
3381	vibration.wRightMotorSpeed = 0;
3382	for( int iUserIndex=0; iUserIndex<DXUT_MAX_CONTROLLERS; iUserIndex++ )
3383	s_pXInputSetState( iUserIndex, &vibration );
3384
3385	return S_OK;
3386	}
3387
3388
3389	//--------------------------------------------------------------------------------------
3390	// Helper function to launch the Media Center UI after the program terminates
3391	//--------------------------------------------------------------------------------------
3392	bool DXUTReLaunchMediaCenter()
3393	{
3394	// Skip if not running on a Media Center
3395	if( GetSystemMetrics( 87 ) == 0 ) // SM_MEDIACENTER == 87, but is only defined if _WIN32_WINNT >= 0x0501
3396	return false;
3397
3398	// Get the path to Media Center
3399	WCHAR szExpandedPath[MAX_PATH];
3400	if( !ExpandEnvironmentStrings( L"%SystemRoot%\\ehome\\ehshell.exe", szExpandedPath, MAX_PATH) )
3401	return false;
3402
3403	// Skip if ehshell.exe doesn't exist
3404	if( GetFileAttributes( szExpandedPath ) == 0xFFFFFFFF )
3405	return false;
3406
3407	// Launch ehshell.exe
3408	INT_PTR result = (INT_PTR)ShellExecute( NULL, TEXT("open"), szExpandedPath, NULL, NULL, SW_SHOWNORMAL);
3409	return (result > 32);
3410	}

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source: GTP/trunk/App/Demos/Illum/MultipleReflections/Common/DXUTmisc.cpp @ 2242

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