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source: OGRE/trunk/ogrenew/OgreMain/src/OgreRoot.cpp @ 690

Revision 690, 27.5 KB checked in by mattausch, 18 years ago (diff)
added ogre 1.07 main

Line
1	/*
2	-----------------------------------------------------------------------------
3	This source file is part of OGRE
4	(Object-oriented Graphics Rendering Engine)
5	For the latest info, see http://ogre.sourceforge.net/
6
7	Copyright (c) 2000-2005 The OGRE Team
8	Also see acknowledgements in Readme.html
9
10	This program is free software; you can redistribute it and/or modify it under
11	the terms of the GNU Lesser General Public License as published by the Free Software
12	Foundation; either version 2 of the License, or (at your option) any later
13	version.
14
15	This program is distributed in the hope that it will be useful, but WITHOUT
16	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17	FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
18
19	You should have received a copy of the GNU Lesser General Public License along with
20	this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21	Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22	http://www.gnu.org/copyleft/lesser.txt.
23	-----------------------------------------------------------------------------
24	*/
25	// Ogre includes
26	#include "OgreStableHeaders.h"
27
28	#include "OgreRoot.h"
29
30	#include "OgreRenderSystem.h"
31	#include "OgreRenderWindow.h"
32	#include "OgreException.h"
33	#include "OgreControllerManager.h"
34	#include "OgreLogManager.h"
35	#include "OgreMath.h"
36	#include "OgreDynLibManager.h"
37	#include "OgreDynLib.h"
38	#include "OgreConfigFile.h"
39	#include "OgreMaterialManager.h"
40	#include "OgreMeshManager.h"
41	#include "OgreTextureManager.h"
42	#include "OgreParticleSystemManager.h"
43	#include "OgreSkeletonManager.h"
44	#include "OgreOverlayElementFactory.h"
45	#include "OgreOverlayManager.h"
46	#include "OgreProfiler.h"
47	#include "OgreErrorDialog.h"
48	#include "OgreConfigDialog.h"
49	#include "OgreStringConverter.h"
50	#include "OgrePlatformManager.h"
51	#include "OgreArchiveManager.h"
52	#include "OgreZip.h"
53	#include "OgreFileSystem.h"
54	#include "OgreShadowVolumeExtrudeProgram.h"
55	#include "OgreResourceBackgroundQueue.h"
56
57	#if OGRE_NO_DEVIL == 0
58	#include "OgreILCodecs.h"
59	#endif
60
61	#include "OgreFontManager.h"
62	#include "OgreHardwareBufferManager.h"
63
64	#include "OgreOverlay.h"
65	#include "OgreHighLevelGpuProgramManager.h"
66
67	#include "OgreExternalTextureSourceManager.h"
68
69	#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
70
71	# define WIN32_LEAN_AND_MEAN
72	# include <direct.h>
73	# include <windows.h>
74
75	#endif
76
77
78	namespace Ogre {
79	//-----------------------------------------------------------------------
80	template<> Root* Singleton<Root>::ms_Singleton = 0;
81	Root* Root::getSingletonPtr(void)
82	{
83	return ms_Singleton;
84	}
85	Root& Root::getSingleton(void)
86	{
87	assert( ms_Singleton ); return ( *ms_Singleton );
88	}
89
90	typedef void (*DLL_START_PLUGIN)(void);
91	typedef void (*DLL_STOP_PLUGIN)(void);
92
93
94	//-----------------------------------------------------------------------
95	// Termination handler
96	extern "C" _OgreExport void handleTerminate(void)
97	{
98	LogManager::getSingleton().logMessage("Termination handler: uncaught exception!", LML_CRITICAL);
99
100	Root::getSingleton().shutdown();
101
102	ErrorDialog* dlg = PlatformManager::getSingleton().createErrorDialog();
103
104	Exception* e = Exception::getLastException();
105
106	if (e)
107	dlg->display(e->getFullDescription());
108	else
109	dlg->display("Unknown");
110
111	// Abort
112	exit(-1);
113
114	}
115
116	void Root::termHandler()
117	{
118	handleTerminate();
119	}
120
121
122	//-----------------------------------------------------------------------
123	Root::Root(const String& pluginFileName, const String& configFileName, const String& logFileName)
124	: mLogManager(0), mCurrentFrame(0)
125	{
126	// First create new exception handler
127	SET_TERM_HANDLER;
128
129	// superclass will do singleton checking
130	String msg;
131
132	// Init
133	mActiveRenderer = 0;
134	mVersion = StringConverter::toString(OGRE_VERSION_MAJOR) + "." +
135	StringConverter::toString(OGRE_VERSION_MINOR) + "." +
136	StringConverter::toString(OGRE_VERSION_PATCH) + " " +
137	"(" + OGRE_VERSION_NAME + ")";
138	mConfigFileName = configFileName;
139
140	// Create log manager and default log file if there is no log manager yet
141	if(LogManager::getSingletonPtr() == 0)
142	{
143	mLogManager = new LogManager();
144	mLogManager->createLog(logFileName, true, true);
145	}
146
147	// Dynamic library manager
148	mDynLibManager = new DynLibManager();
149
150	mArchiveManager = new ArchiveManager();
151
152	// ResourceGroupManager
153	mResourceGroupManager = new ResourceGroupManager();
154
155	// ResourceBackgroundQueue
156	mResourceBackgroundQueue = new ResourceBackgroundQueue();
157
158	// Create SceneManager enumerator (note - will be managed by singleton)
159	mSceneManagerEnum = new SceneManagerEnumerator();
160	mCurrentSceneManager = NULL;
161
162	// ..material manager
163	mMaterialManager = new MaterialManager();
164
165	// Mesh manager
166	mMeshManager = new MeshManager();
167
168	// Skeleton manager
169	mSkeletonManager = new SkeletonManager();
170
171	// ..particle system manager
172	mParticleManager = new ParticleSystemManager();
173
174	// Platform manager
175	mPlatformManager = new PlatformManager();
176
177	// Timer
178	mTimer = mPlatformManager->createTimer();
179
180	// Overlay manager
181	mOverlayManager = new OverlayManager();
182
183	mPanelFactory = new PanelOverlayElementFactory();
184	mOverlayManager->addOverlayElementFactory(mPanelFactory);
185
186	mBorderPanelFactory = new BorderPanelOverlayElementFactory();
187	mOverlayManager->addOverlayElementFactory(mBorderPanelFactory);
188
189	mTextAreaFactory = new TextAreaOverlayElementFactory();
190	mOverlayManager->addOverlayElementFactory(mTextAreaFactory);
191	// Font manager
192	mFontManager = new FontManager();
193
194	#if OGRE_PROFILING
195	// Profiler
196	mProfiler = new Profiler();
197	Profiler::getSingleton().setTimer(mTimer);
198	#endif
199	mFileSystemArchiveFactory = new FileSystemArchiveFactory();
200	ArchiveManager::getSingleton().addArchiveFactory( mFileSystemArchiveFactory );
201	mZipArchiveFactory = new ZipArchiveFactory();
202	ArchiveManager::getSingleton().addArchiveFactory( mZipArchiveFactory );
203	#if OGRE_NO_DEVIL == 0
204	// Register image codecs
205	ILCodecs::registerCodecs();
206	#endif
207
208	mHighLevelGpuProgramManager = new HighLevelGpuProgramManager();
209
210	mExternalTextureSourceManager = new ExternalTextureSourceManager();
211
212	// Auto window
213	mAutoWindow = 0;
214
215	// Load plugins
216	if (!pluginFileName.empty())
217	loadPlugins(pluginFileName);
218
219	LogManager::getSingleton().logMessage("--* OGRE Initialising");
220	msg = "--* Version " + mVersion;
221	LogManager::getSingleton().logMessage(msg);
222
223	// Can't create managers until initialised
224	mControllerManager = 0;
225
226	mFirstTimePostWindowInit = false;
227
228	}
229
230	//-----------------------------------------------------------------------
231	Root::~Root()
232	{
233	shutdownPlugins();
234	shutdown();
235	delete mSceneManagerEnum;
236
237	delete mExternalTextureSourceManager;
238	#if OGRE_NO_DEVIL == 0
239	ILCodecs::deleteCodecs();
240	#endif
241	#if OGRE_PROFILING
242	delete mProfiler;
243	#endif
244	delete mOverlayManager;
245	delete mFontManager;
246	delete mArchiveManager;
247	delete mZipArchiveFactory;
248	delete mFileSystemArchiveFactory;
249	delete mSkeletonManager;
250	delete mMeshManager;
251	delete mParticleManager;
252
253	if( mControllerManager )
254	delete mControllerManager;
255	if (mHighLevelGpuProgramManager)
256	delete mHighLevelGpuProgramManager;
257
258	delete mTextAreaFactory;
259	delete mBorderPanelFactory;
260	delete mPanelFactory;
261
262	unloadPlugins();
263	delete mMaterialManager;
264	Pass::processPendingPassUpdates(); // make sure passes are cleaned
265	delete mResourceBackgroundQueue;
266	delete mResourceGroupManager;
267
268
269
270	mPlatformManager->destroyTimer(mTimer);
271	delete mPlatformManager;
272	delete mDynLibManager;
273	delete mLogManager;
274
275
276	StringInterface::cleanupDictionary ();
277	}
278
279	//-----------------------------------------------------------------------
280	void Root::saveConfig(void)
281	{
282	std::ofstream of(mConfigFileName.c_str());
283
284	if (!of)
285	OGRE_EXCEPT(Exception::ERR_CANNOT_WRITE_TO_FILE, "Cannot create settings file.",
286	"Root::saveConfig");
287
288	if (mActiveRenderer)
289	{
290	of << "Render System\t" << mActiveRenderer->getName() << std::endl;;
291
292	ConfigOptionMap& opts = mActiveRenderer->getConfigOptions();
293	for( ConfigOptionMap::iterator pOpt = opts.begin(); pOpt != opts.end(); ++pOpt )
294	{
295	of << pOpt->first << "\t" << pOpt->second.currentValue << std::endl;;
296	}
297	}
298	else
299	{
300	of << "Render System\t ";
301	}
302
303	of.close();
304
305	}
306	//-----------------------------------------------------------------------
307	bool Root::restoreConfig(void)
308	{
309	// Restores configuration from saved state
310	// Returns true if a valid saved configuration is
311	// available, and false if no saved config is
312	// stored, or if there has been a problem
313	ConfigFile cfg;
314	String renderSystem;
315	RenderSystemList::iterator pRend;
316
317	try {
318	// Don't trim whitespace
319	cfg.load(mConfigFileName, "\t:=", false);
320	}
321	catch (Exception& e)
322	{
323	if (e.getNumber() == Exception::ERR_FILE_NOT_FOUND)
324	{
325	return false;
326	}
327	else
328	{
329	throw;
330	}
331	}
332
333	renderSystem = cfg.getSetting("Render System");
334	if(renderSystem.empty())
335	{
336	// No render system entry - error
337	return false;
338	}
339
340	pRend = getAvailableRenderers()->begin();
341	while (pRend != getAvailableRenderers()->end())
342	{
343	String rName = (*pRend)->getName();
344	if (rName == renderSystem)
345	break;
346	pRend++;
347	}
348
349	if (pRend == getAvailableRenderers()->end())
350	{
351	// Unrecognised render system
352	return false;
353	}
354
355	setRenderSystem(*pRend);
356
357	ConfigFile::SettingsIterator i = cfg.getSettingsIterator();
358
359	String optName, optVal;
360	while (i.hasMoreElements())
361	{
362	optName = i.peekNextKey();
363	optVal = i.getNext();
364	if(optName != "Render System")
365	{
366	mActiveRenderer->setConfigOption(optName, optVal);
367	}
368	}
369
370	// Successful load
371	return true;
372
373	}
374
375	//-----------------------------------------------------------------------
376	bool Root::showConfigDialog(void)
377	{
378	// Displays the standard config dialog
379	// Will use stored defaults if available
380	ConfigDialog* dlg;
381	bool isOk;
382
383	dlg = mPlatformManager->createConfigDialog();
384
385	isOk = dlg->display();
386
387	mPlatformManager->destroyConfigDialog(dlg);
388
389	return isOk;
390
391	}
392
393	//-----------------------------------------------------------------------
394	RenderSystemList* Root::getAvailableRenderers(void)
395	{
396	// Returns a vector of renders
397
398	return &mRenderers;
399
400	}
401
402	//-----------------------------------------------------------------------
403	void Root::setRenderSystem(RenderSystem* system)
404	{
405	// Sets the active rendering system
406	// Can be called direct or will be called by
407	// standard config dialog
408
409	// Is there already an active renderer?
410	// If so, disable it and init the new one
411	if( mActiveRenderer && mActiveRenderer != system )
412	{
413	mActiveRenderer->shutdown();
414	}
415
416	mActiveRenderer = system;
417	// Tell scene managers
418	SceneManagerEnumerator::getSingleton().setRenderSystem(system);
419
420	}
421	//-----------------------------------------------------------------------
422	void Root::addRenderSystem(RenderSystem *newRend)
423	{
424	mRenderers.push_back(newRend);
425	}
426	//-----------------------------------------------------------------------
427	void Root::setSceneManager(SceneType sType, SceneManager *sm)
428	{
429	SceneManagerEnumerator::getSingleton().setSceneManager(sType, sm);
430	}
431
432	//-----------------------------------------------------------------------
433	RenderSystem* Root::getRenderSystem(void)
434	{
435	// Gets the currently active renderer
436	return mActiveRenderer;
437
438	}
439
440	//-----------------------------------------------------------------------
441	RenderWindow* Root::initialise(bool autoCreateWindow, const String& windowTitle)
442	{
443	if (!mActiveRenderer)
444	OGRE_EXCEPT(Exception::ERR_NO_RENDERSYSTEM_SELECTED,
445	"Cannot initialise - no render "
446	"system has been selected.", "Root::initialise");
447
448	mControllerManager = new ControllerManager();
449
450	mAutoWindow = mActiveRenderer->initialise(autoCreateWindow, windowTitle);
451
452	mResourceBackgroundQueue->initialise();
453
454	if (autoCreateWindow && !mFirstTimePostWindowInit)
455	{
456	oneTimePostWindowInit();
457	mAutoWindow->_setPrimary();
458	}
459
460	// Initialise timer
461	mTimer->reset();
462	return mAutoWindow;
463
464	}
465	//-----------------------------------------------------------------------
466	String Root::getErrorDescription(long errorNumber)
467	{
468
469	// Pass to render system
470	if (mActiveRenderer)
471	return mActiveRenderer->getErrorDescription(errorNumber);
472	else
473	return "";
474
475	}
476	//-----------------------------------------------------------------------
477	SceneManager* Root::getSceneManager(SceneType sceneType)
478	{
479	// Delegate
480	return mSceneManagerEnum->getSceneManager(sceneType);
481	}
482	//-----------------------------------------------------------------------
483	TextureManager* Root::getTextureManager(void)
484	{
485	return &TextureManager::getSingleton();
486	}
487	//-----------------------------------------------------------------------
488	MeshManager* Root::getMeshManager(void)
489	{
490	return &MeshManager::getSingleton();
491	}
492	//-----------------------------------------------------------------------
493	void Root::addFrameListener(FrameListener* newListener)
494	{
495	// Insert, unique only (set)
496	mFrameListeners.insert(newListener);
497
498	}
499
500	//-----------------------------------------------------------------------
501	void Root::removeFrameListener(FrameListener* oldListener)
502	{
503	// Remove, 1 only (set)
504	mRemovedFrameListeners.insert(oldListener);
505	}
506	//-----------------------------------------------------------------------
507	bool Root::_fireFrameStarted(FrameEvent& evt)
508	{
509	// Increment frame number
510	++mCurrentFrame;
511
512	// Remove all marked listeners
513	std::set<FrameListener*>::iterator i;
514	for (i = mRemovedFrameListeners.begin();
515	i != mRemovedFrameListeners.end(); i++)
516	{
517	mFrameListeners.erase(*i);
518	}
519	mRemovedFrameListeners.clear();
520
521	// Tell all listeners
522	for (i= mFrameListeners.begin(); i != mFrameListeners.end(); ++i)
523	{
524	if (!(*i)->frameStarted(evt))
525	return false;
526	}
527
528	return true;
529
530	}
531	//-----------------------------------------------------------------------
532	bool Root::_fireFrameEnded(FrameEvent& evt)
533	{
534	// Remove all marked listeners
535	std::set<FrameListener*>::iterator i;
536	for (i = mRemovedFrameListeners.begin();
537	i != mRemovedFrameListeners.end(); i++)
538	{
539	mFrameListeners.erase(*i);
540	}
541	mRemovedFrameListeners.clear();
542
543	// Tell all listeners
544	bool ret = true;
545	for (i= mFrameListeners.begin(); i != mFrameListeners.end(); ++i)
546	{
547	if (!(*i)->frameEnded(evt))
548	{
549	ret = false;
550	break;
551	}
552	}
553
554	// Tell buffer manager to free temp buffers used this frame
555	if (HardwareBufferManager::getSingletonPtr())
556	HardwareBufferManager::getSingleton()._releaseBufferCopies();
557
558	return ret;
559	}
560	//-----------------------------------------------------------------------
561	bool Root::_fireFrameStarted()
562	{
563	unsigned long now = mTimer->getMilliseconds();
564	FrameEvent evt;
565	evt.timeSinceLastEvent = calculateEventTime(now, FETT_ANY);
566	evt.timeSinceLastFrame = calculateEventTime(now, FETT_STARTED);
567
568	return _fireFrameStarted(evt);
569	}
570	//-----------------------------------------------------------------------
571	bool Root::_fireFrameEnded()
572	{
573	unsigned long now = mTimer->getMilliseconds();
574	FrameEvent evt;
575	evt.timeSinceLastEvent = calculateEventTime(now, FETT_ANY);
576	evt.timeSinceLastFrame = calculateEventTime(now, FETT_ENDED);
577
578	return _fireFrameEnded(evt);
579	}
580	//-----------------------------------------------------------------------
581	Real Root::calculateEventTime(unsigned long now, FrameEventTimeType type)
582	{
583	// Calculate the average time passed between events of the given type
584	// during the last 0.5 seconds.
585
586	std::deque<unsigned long>& times = mEventTimes[type];
587	times.push_back(now);
588
589	if(times.size() == 1)
590	return 0;
591
592	// Times up to 0.5 seconds old should be kept
593	unsigned long discardThreshold = 500;
594
595	// Find the oldest time to keep
596	std::deque<unsigned long>::iterator it = times.begin(),
597	end = times.end()-2; // We need at least two times
598	while(it != end)
599	{
600	if (now - *it > discardThreshold)
601	++it;
602	else
603	break;
604	}
605
606	// Remove old times
607	times.erase(times.begin(), it);
608
609	return Real(times.back() - times.front()) / ((times.size()-1) * 1000);
610	}
611	//-----------------------------------------------------------------------
612	void Root::queueEndRendering(void)
613	{
614	mQueuedEnd = true;
615	}
616	//-----------------------------------------------------------------------
617	void Root::startRendering(void)
618	{
619	assert(mActiveRenderer != 0);
620
621	mActiveRenderer->_initRenderTargets();
622
623	// Clear event times
624	for(int i=0; i!=3; ++i)
625	mEventTimes[i].clear();
626
627	// Infinite loop, until broken out of by frame listeners
628	// or break out by calling queueEndRendering()
629	mQueuedEnd = false;
630	while( !mQueuedEnd )
631	{
632	#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
633	// Pump events on Win32
634	MSG msg;
635	while( PeekMessage( &msg, NULL, 0U, 0U, PM_REMOVE ) )
636	{
637	TranslateMessage( &msg );
638	DispatchMessage( &msg );
639	}
640	#endif
641
642	if (!renderOneFrame())
643	break;
644	}
645
646
647	}
648	//-----------------------------------------------------------------------
649	bool Root::renderOneFrame(void)
650	{
651	if(!_fireFrameStarted())
652	return false;
653
654	_updateAllRenderTargets();
655
656	return _fireFrameEnded();
657	}
658	//-----------------------------------------------------------------------
659	void Root::shutdown(void)
660	{
661	SceneManagerEnumerator::getSingleton().shutdownAll();
662	ShadowVolumeExtrudeProgram::shutdown();
663	mResourceBackgroundQueue->shutdown();
664	ResourceGroupManager::getSingleton().shutdownAll();
665
666	LogManager::getSingleton().logMessage("--* OGRE Shutdown");
667	}
668	//-----------------------------------------------------------------------
669	void Root::loadPlugins( const String& pluginsfile )
670	{
671	StringVector pluginList;
672	String pluginDir;
673	ConfigFile cfg;
674
675	try {
676	cfg.load( pluginsfile );
677	}
678	catch (Exception)
679	{
680	LogManager::getSingleton().logMessage(pluginsfile + " not found, automatic plugin loading disabled.");
681	return;
682	}
683
684	pluginDir = cfg.getSetting("PluginFolder"); // Ignored on Mac OS X, uses Resources/ directory
685	pluginList = cfg.getMultiSetting("Plugin");
686
687	char last_char = pluginDir[pluginDir.length()-1];
688	if (last_char != '/' && last_char != '\\')
689	{
690	#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
691	pluginDir += "\\";
692	#elif OGRE_PLATFORM == OGRE_PLATFORM_LINUX
693	pluginDir += "/";
694	#endif
695	}
696
697	for( StringVector::iterator it = pluginList.begin(); it != pluginList.end(); ++it )
698	{
699	loadPlugin(pluginDir + (*it));
700	}
701
702	}
703	//-----------------------------------------------------------------------
704	void Root::shutdownPlugins(void)
705	{
706	std::vector<DynLib*>::reverse_iterator i;
707
708	// NB Shutdown plugins in reverse order to enforce dependencies
709	for (i = mPluginLibs.rbegin(); i != mPluginLibs.rend(); ++i)
710	{
711	// Call plugin shutdown (optional)
712	DLL_STOP_PLUGIN pFunc = (DLL_STOP_PLUGIN)(*i)->getSymbol("dllShutdownPlugin");
713	if (pFunc)
714	{
715	pFunc();
716	}
717
718	}
719	}
720	//-----------------------------------------------------------------------
721	void Root::unloadPlugins(void)
722	{
723	std::vector<DynLib*>::reverse_iterator i;
724
725	// NB Unload plugins in reverse order to enforce dependencies
726	for (i = mPluginLibs.rbegin(); i != mPluginLibs.rend(); ++i)
727	{
728	// Call plugin shutdown
729	DLL_STOP_PLUGIN pFunc = (DLL_STOP_PLUGIN)(*i)->getSymbol("dllStopPlugin");
730	pFunc();
731	// Unload library & destroy
732	DynLibManager::getSingleton().unload(*i);
733
734	}
735
736	mPluginLibs.clear();
737
738	}
739	//-----------------------------------------------------------------------
740	void Root::addResourceLocation(const String& name, const String& locType,
741	const String& groupName, bool recursive)
742	{
743	ResourceGroupManager::getSingleton().addResourceLocation(
744	name, locType, groupName, recursive);
745	}
746	//-----------------------------------------------------------------------
747	void Root::removeResourceLocation(const String& name, const String& groupName)
748	{
749	ResourceGroupManager::getSingleton().removeResourceLocation(
750	name, groupName);
751	}
752	//-----------------------------------------------------------------------
753	void Root::convertColourValue(const ColourValue& colour, uint32* pDest)
754	{
755	assert(mActiveRenderer != 0);
756	mActiveRenderer->convertColourValue(colour, pDest);
757	}
758	//-----------------------------------------------------------------------
759	RenderWindow* Root::getAutoCreatedWindow(void)
760	{
761	return mAutoWindow;
762	}
763	//-----------------------------------------------------------------------
764	RenderWindow* Root::createRenderWindow(const String &name, unsigned int width, unsigned int height,
765	bool fullScreen, const NameValuePairList *miscParams)
766	{
767	if (!mActiveRenderer)
768	{
769	OGRE_EXCEPT(Exception::ERR_NO_RENDERSYSTEM_SELECTED,
770	"Cannot create window - no render "
771	"system has been selected.", "Root::createRenderWindow");
772	}
773	RenderWindow* ret;
774	ret = mActiveRenderer->createRenderWindow(name, width, height, fullScreen, miscParams);
775
776	// Initialisation for classes dependent on first window created
777	if(!mFirstTimePostWindowInit)
778	{
779	oneTimePostWindowInit();
780	ret->_setPrimary();
781	}
782
783	return ret;
784
785	}
786	//-----------------------------------------------------------------------
787	void Root::detachRenderTarget(RenderTarget* target)
788	{
789	if (!mActiveRenderer)
790	{
791	OGRE_EXCEPT(Exception::ERR_NO_RENDERSYSTEM_SELECTED,
792	"Cannot create window - no render "
793	"system has been selected.", "Root::destroyRenderWindow");
794	}
795
796	mActiveRenderer->detachRenderTarget( target->getName() );
797	}
798	//-----------------------------------------------------------------------
799	void Root::detachRenderTarget(const String &name)
800	{
801	if (!mActiveRenderer)
802	{
803	OGRE_EXCEPT(Exception::ERR_NO_RENDERSYSTEM_SELECTED,
804	"Cannot create window - no render "
805	"system has been selected.", "Root::destroyRenderWindow");
806	}
807
808	mActiveRenderer->detachRenderTarget( name );
809	}
810	//-----------------------------------------------------------------------
811	RenderTarget* Root::getRenderTarget(const String &name)
812	{
813	if (!mActiveRenderer)
814	{
815	OGRE_EXCEPT(Exception::ERR_NO_RENDERSYSTEM_SELECTED,
816	"Cannot create window - no render "
817	"system has been selected.", "Root::getRenderWindow");
818	}
819
820	return mActiveRenderer->getRenderTarget(name);
821	}
822	//-----------------------------------------------------------------------
823	void Root::loadPlugin(const String& pluginName)
824	{
825	// Load plugin library
826	DynLib* lib = DynLibManager::getSingleton().load( pluginName );
827	// Store for later unload
828	mPluginLibs.push_back(lib);
829
830	// Call startup function
831	DLL_START_PLUGIN pFunc = (DLL_START_PLUGIN)lib->getSymbol("dllStartPlugin");
832
833	if (!pFunc)
834	OGRE_EXCEPT(Exception::ERR_ITEM_NOT_FOUND, "Cannot find symbol dllStartPlugin in library " + pluginName,
835	"Root::loadPlugins");
836	pFunc();
837	}
838	//-----------------------------------------------------------------------
839	void Root::unloadPlugin(const String& pluginName)
840	{
841	std::vector<DynLib*>::iterator i;
842
843	for (i = mPluginLibs.begin(); i != mPluginLibs.end(); ++i)
844	{
845	if ((*i)->getName() == pluginName)
846	{
847	// Call plugin shutdown
848	DLL_STOP_PLUGIN pFunc = (DLL_STOP_PLUGIN)(*i)->getSymbol("dllStopPlugin");
849	pFunc();
850	// Unload library (destroyed by DynLibManager)
851	DynLibManager::getSingleton().unload(*i);
852	mPluginLibs.erase(i);
853	return;
854	}
855
856	}
857	}
858	//-----------------------------------------------------------------------
859	Timer* Root::getTimer(void)
860	{
861	return mTimer;
862	}
863	//-----------------------------------------------------------------------
864	void Root::oneTimePostWindowInit(void)
865	{
866	if (!mFirstTimePostWindowInit)
867	{
868	// Initialise material manager
869	mMaterialManager->initialise();
870	// Init particle systems manager
871	mParticleManager->_initialise();
872	// Init mesh manager
873	MeshManager::getSingleton()._initialise();
874	mFirstTimePostWindowInit = true;
875	}
876
877	}
878	//-----------------------------------------------------------------------
879	void Root::_updateAllRenderTargets(void)
880	{
881	// delegate
882	mActiveRenderer->_updateAllRenderTargets();
883	}
884	//-----------------------------------------------------------------------
885	void Root::clearEventTimes(void)
886	{
887	// Clear event times
888	for(int i=0; i<3; ++i)
889	mEventTimes[i].clear();
890	}
891	}

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