OgrePagedWorldSection.h
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    00001 /*
    00002 -----------------------------------------------------------------------------
    00003 This source file is part of OGRE
    00004 (Object-oriented Graphics Rendering Engine)
    00005 For the latest info, see http://www.ogre3d.org/
    00006
    00007 Copyright (c) 2000-2012 Torus Knot Software Ltd
    00008
    00009 Permission is hereby granted, free of charge, to any person obtaining a copy
    00010 of this software and associated documentation files (the "Software"), to deal
    00011 in the Software without restriction, including without limitation the rights
    00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00013 copies of the Software, and to permit persons to whom the Software is
    00014 furnished to do so, subject to the following conditions:
    00015
    00016 The above copyright notice and this permission notice shall be included in
    00017 all copies or substantial portions of the Software.
    00018
    00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00025 THE SOFTWARE.
    00026 -----------------------------------------------------------------------------
    00027 */
    00028
    00029 #ifndef __Ogre_PagedWorldSection_H__
    00030 #define __Ogre_PagedWorldSection_H__
    00031
    00032 #include "OgrePagingPrerequisites.h"
    00033 #include "OgreAxisAlignedBox.h"
    00034
    00035 namespace Ogre
    00036 {
    00069     class _OgrePagingExport PagedWorldSection : public PageAlloc
    00070     {
    00071     public:
    00072         typedef map<PageID, Page*>::type PageMap;
    00073     protected:
    00074         String mName;
    00075         AxisAlignedBox mAABB;
    00076         PagedWorld* mParent;
    00077         PageStrategy* mStrategy;
    00078         PageStrategyData* mStrategyData;
    00079         PageMap mPages;
    00080         PageProvider* mPageProvider;
    00081         SceneManager* mSceneMgr;
    00082
    00084         virtual void loadSubtypeData(StreamSerialiser& ser) {}
    00085         virtual void saveSubtypeData(StreamSerialiser& ser) {}
    00086
    00087
    00088     public:
    00089         static const uint32 CHUNK_ID;
    00090         static const uint16 CHUNK_VERSION;
    00091
    00093         PagedWorldSection(const String& name, PagedWorld* parent, SceneManager* sm);
    00094         virtual ~PagedWorldSection();
    00095
    00096         PageManager* getManager() const;
    00097
    00099         virtual const String& getName() const { return mName; }
    00101         virtual PageStrategy* getStrategy() const { return mStrategy; }
    00107         virtual void setStrategy(PageStrategy* strat);
    00113         virtual void setStrategy(const String& stratName);
    00114
    00120         virtual void setSceneManager(SceneManager* sm);
    00121
    00128         virtual void setSceneManager(const String& smName);
    00130         virtual SceneManager* getSceneManager() const { return mSceneMgr; }
    00131
    00133         virtual PagedWorld* getWorld() const { return mParent; }
    00135         virtual PageStrategyData* getStrategyData() const { return mStrategyData; }
    00137         virtual void setBoundingBox(const AxisAlignedBox& box);
    00139         virtual const AxisAlignedBox& getBoundingBox() const;
    00140
    00141
    00143         virtual bool load(StreamSerialiser& stream);
    00145         virtual void save(StreamSerialiser& stream);
    00146
    00147
    00149         virtual void frameStart(Real timeSinceLastFrame);
    00151         virtual void frameEnd(Real timeElapsed);
    00153         virtual void notifyCamera(Camera* cam);
    00154
    00162         virtual Page* loadOrCreatePage(const Vector3& worldPos);
    00163
    00165         virtual PageID getPageID(const Vector3& worldPos);
    00166
    00167
    00178         virtual void loadPage(PageID pageID, bool forceSynchronous = false);
    00179
    00187         virtual void unloadPage(PageID pageID, bool forceSynchronous = false);
    00195         virtual void unloadPage(Page* p, bool forceSynchronous = false);
    00203         virtual bool _prepareProceduralPage(Page* page);
    00211         virtual bool _loadProceduralPage(Page* page);
    00219         virtual bool _unloadProceduralPage(Page* page);
    00227         virtual bool _unprepareProceduralPage(Page* page);
    00228
    00242         virtual void holdPage(PageID pageID);
    00243
    00249         virtual Page* getPage(PageID pageID);
    00250
    00255         virtual void removeAllPages();
    00256
    00268         virtual void setPageProvider(PageProvider* provider) { mPageProvider = provider; }
    00269
    00271         virtual PageProvider* getPageProvider() const { return mPageProvider; }
    00272
    00279         virtual StreamSerialiser* _readPageStream(PageID pageID);
    00280
    00287         virtual StreamSerialiser* _writePageStream(PageID pageID);
    00288
    00291         _OgrePagingExport friend std::ostream& operator <<( std::ostream& o, const PagedWorldSection& p );
    00292
    00294         virtual const String& getType();
    00295
    00296     };
    00297
    00298
    00301     class _OgrePagingExport PagedWorldSectionFactory : public PageAlloc
    00302     {
    00303     public:
    00304         virtual ~PagedWorldSectionFactory() {}
    00305         virtual const String& getName() const = 0;
    00306         virtual PagedWorldSection* createInstance(const String& name, PagedWorld* parent, SceneManager* sm) = 0;
    00307         virtual void destroyInstance(PagedWorldSection*) = 0;
    00308
    00309
    00310     };
    00311
    00314 }
    00315
    00316 #endif

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:22