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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_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
00085             {
00086                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
00087                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
00088                 pRep = static_cast<PatchMesh*>(r.getPointer());
00089                 pUseCount = r.useCountPointer();
00090                 if (pUseCount)
00091                 {
00092                     ++(*pUseCount);
00093                 }
00094             }
00095         }
00096 
00098         PatchMeshPtr& operator=(const ResourcePtr& r)
00099         {
00100             if (pRep == static_cast<PatchMesh*>(r.getPointer()))
00101                 return *this;
00102             release();
00103 
00104             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
00105             {
00106                 // lock & copy other mutex pointer
00107                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
00108                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
00109                 pRep = static_cast<PatchMesh*>(r.getPointer());
00110                 pUseCount = r.useCountPointer();
00111                 if (pUseCount)
00112                 {
00113                     ++(*pUseCount);
00114                 }
00115             }
00116             return *this;
00117         }
00119         PatchMeshPtr& operator=(const MeshPtr& r)
00120         {
00121             if (pRep == static_cast<PatchMesh*>(r.getPointer()))
00122                 return *this;
00123             release();
00124             // lock & copy other mutex pointer
00125             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
00126             {
00127                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
00128                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
00129                 pRep = static_cast<PatchMesh*>(r.getPointer());
00130                 pUseCount = r.useCountPointer();
00131                 if (pUseCount)
00132                 {
00133                     ++(*pUseCount);
00134                 }
00135             }
00136             return *this;
00137         }
00138     };
00139 
00140 }
00141 
00142 #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 Nov 12 10:50:12 2006