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) 2000-2006 Torus Knot Software Ltd 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 You may alternatively use this source under the terms of a specific version of 00025 the OGRE Unrestricted License provided you have obtained such a license from 00026 Torus Knot Software Ltd. 00027 ----------------------------------------------------------------------------- 00028 */ 00029 #ifndef __PatchMesh_H__ 00030 #define __PatchMesh_H__ 00031 00032 #include "OgrePrerequisites.h" 00033 #include "OgreMesh.h" 00034 #include "OgrePatchSurface.h" 00035 00036 namespace Ogre { 00037 00042 class _OgreExport PatchMesh : public Mesh 00043 { 00044 protected: 00046 PatchSurface mSurface; 00048 VertexDeclaration* mDeclaration; 00049 public: 00051 PatchMesh(ResourceManager* creator, const String& name, ResourceHandle handle, 00052 const String& group); 00053 00055 void define(void* controlPointBuffer, 00056 VertexDeclaration *declaration, size_t width, size_t height, 00057 size_t uMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL, 00058 size_t vMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL, 00059 PatchSurface::VisibleSide visibleSide = PatchSurface::VS_FRONT, 00060 HardwareBuffer::Usage vbUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00061 HardwareBuffer::Usage ibUsage = HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY, 00062 bool vbUseShadow = false, bool ibUseShadow = false); 00063 00064 /* Sets the current subdivision level as a proportion of full detail. 00065 @param factor Subdivision factor as a value from 0 (control points only) to 1 (maximum 00066 subdivision). */ 00067 void setSubdivision(Real factor); 00068 protected: 00070 void loadImpl(void); 00072 void prepareImpl(void) {} 00073 00074 }; 00081 class _OgreExport PatchMeshPtr : public SharedPtr<PatchMesh> 00082 { 00083 public: 00084 PatchMeshPtr() : SharedPtr<PatchMesh>() {} 00085 explicit PatchMeshPtr(PatchMesh* rep) : SharedPtr<PatchMesh>(rep) {} 00086 PatchMeshPtr(const PatchMeshPtr& r) : SharedPtr<PatchMesh>(r) {} 00087 PatchMeshPtr(const ResourcePtr& r) : SharedPtr<PatchMesh>() 00088 { 00089 // lock & copy other mutex pointer 00090 OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME) 00091 { 00092 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME) 00093 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME) 00094 pRep = static_cast<PatchMesh*>(r.getPointer()); 00095 pUseCount = r.useCountPointer(); 00096 if (pUseCount) 00097 { 00098 ++(*pUseCount); 00099 } 00100 } 00101 } 00102 00104 PatchMeshPtr& operator=(const ResourcePtr& r) 00105 { 00106 if (pRep == static_cast<PatchMesh*>(r.getPointer())) 00107 return *this; 00108 release(); 00109 00110 OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME) 00111 { 00112 // lock & copy other mutex pointer 00113 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME) 00114 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME) 00115 pRep = static_cast<PatchMesh*>(r.getPointer()); 00116 pUseCount = r.useCountPointer(); 00117 if (pUseCount) 00118 { 00119 ++(*pUseCount); 00120 } 00121 } 00122 else 00123 { 00124 // RHS must be a null pointer 00125 assert(r.isNull() && "RHS must be null if it has no mutex!"); 00126 setNull(); 00127 } 00128 return *this; 00129 } 00131 PatchMeshPtr& operator=(const MeshPtr& r) 00132 { 00133 if (pRep == static_cast<PatchMesh*>(r.getPointer())) 00134 return *this; 00135 release(); 00136 // lock & copy other mutex pointer 00137 OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME) 00138 { 00139 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME) 00140 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME) 00141 pRep = static_cast<PatchMesh*>(r.getPointer()); 00142 pUseCount = r.useCountPointer(); 00143 if (pUseCount) 00144 { 00145 ++(*pUseCount); 00146 } 00147 } 00148 return *this; 00149 } 00150 }; 00151 00152 } 00153 00154 #endif
Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Sep 27 22:02:24 2009