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OgrePatchMesh.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) 2000-2005 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #ifndef __PatchMesh_H__
00026 #define __PatchMesh_H__
00027 
00028 #include "OgrePrerequisites.h"
00029 #include "OgreMesh.h"
00030 #include "OgrePatchSurface.h"
00031 
00032 namespace Ogre {
00033 
00038     class _OgreExport PatchMesh : public Mesh
00039     {
00040     protected:
00042         PatchSurface mSurface;
00044         VertexDeclaration* mDeclaration;
00045     public:
00047         PatchMesh(ResourceManager* creator, const String& name, ResourceHandle handle,
00048             const String& group);
00049 
00051         void define(void* controlPointBuffer, 
00052             VertexDeclaration *declaration, size_t width, size_t height,
00053             size_t uMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL, 
00054             size_t vMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL,
00055             PatchSurface::VisibleSide visibleSide = PatchSurface::VS_FRONT,
00056             HardwareBuffer::Usage vbUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 
00057             HardwareBuffer::Usage ibUsage = HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY,
00058             bool vbUseShadow = false, bool ibUseShadow = false);
00059 
00060         /* Sets the current subdivision level as a proportion of full detail.
00061         @param factor Subdivision factor as a value from 0 (control points only) to 1 (maximum
00062             subdivision). */
00063         void setSubdivision(Real factor);
00064     protected:
00066         void loadImpl(void);
00067 
00068     };
00075     class _OgreExport PatchMeshPtr : public SharedPtr<PatchMesh> 
00076     {
00077     public:
00078         PatchMeshPtr() : SharedPtr<PatchMesh>() {}
00079         explicit PatchMeshPtr(PatchMesh* rep) : SharedPtr<PatchMesh>(rep) {}
00080         PatchMeshPtr(const PatchMeshPtr& r) : SharedPtr<PatchMesh>(r) {} 
00081         PatchMeshPtr(const ResourcePtr& r) : SharedPtr<PatchMesh>()
00082         {
00083             // lock & copy other mutex pointer
00084             OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
00085             OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
00086             pRep = static_cast<PatchMesh*>(r.getPointer());
00087             pUseCount = r.useCountPointer();
00088             if (pUseCount)
00089             {
00090                 ++(*pUseCount);
00091             }
00092         }
00093 
00095         PatchMeshPtr& operator=(const ResourcePtr& r)
00096         {
00097             if (pRep == static_cast<PatchMesh*>(r.getPointer()))
00098                 return *this;
00099             release();
00100             // lock & copy other mutex pointer
00101             OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
00102             OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
00103             pRep = static_cast<PatchMesh*>(r.getPointer());
00104             pUseCount = r.useCountPointer();
00105             if (pUseCount)
00106             {
00107                 ++(*pUseCount);
00108             }
00109             return *this;
00110         }
00112         PatchMeshPtr& operator=(const MeshPtr& r)
00113         {
00114             if (pRep == static_cast<PatchMesh*>(r.getPointer()))
00115                 return *this;
00116             release();
00117             // lock & copy other mutex pointer
00118             OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
00119             OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
00120             pRep = static_cast<PatchMesh*>(r.getPointer());
00121             pUseCount = r.useCountPointer();
00122             if (pUseCount)
00123             {
00124                 ++(*pUseCount);
00125             }
00126             return *this;
00127         }
00128     };
00129 
00130 }
00131 
00132 #endif

Copyright © 2000-2005 by The OGRE Team
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This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Mar 12 14:37:46 2006