# 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) 2000-2009 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 #ifndef __PatchMesh_H__
    00029 #define __PatchMesh_H__
    00030
    00031 #include "OgrePrerequisites.h"
    00032 #include "OgreMesh.h"
    00033 #include "OgrePatchSurface.h"
    00034
    00035 namespace Ogre {
    00036
    00047     class _OgreExport PatchMesh : public Mesh
    00048     {
    00049     protected:
    00051         PatchSurface mSurface;
    00053         VertexDeclaration* mDeclaration;
    00054     public:
    00056         PatchMesh(ResourceManager* creator, const String& name, ResourceHandle handle,
    00057             const String& group);
    00058
    00060         void define(void* controlPointBuffer,
    00061             VertexDeclaration *declaration, size_t width, size_t height,
    00062             size_t uMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL,
    00063             size_t vMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL,
    00064             PatchSurface::VisibleSide visibleSide = PatchSurface::VS_FRONT,
    00065             HardwareBuffer::Usage vbUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY,
    00066             HardwareBuffer::Usage ibUsage = HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY,
    00067             bool vbUseShadow = false, bool ibUseShadow = false);
    00068
    00069         /* Sets the current subdivision level as a proportion of full detail.
    00070         @param factor Subdivision factor as a value from 0 (control points only) to 1 (maximum
    00071             subdivision). */
    00072         void setSubdivision(Real factor);
    00073     protected:
    00075         void loadImpl(void);
    00077         void prepareImpl(void) {}
    00078
    00079     };
    00086     class _OgreExport PatchMeshPtr : public SharedPtr<PatchMesh>
    00087     {
    00088     public:
    00089         PatchMeshPtr() : SharedPtr<PatchMesh>() {}
    00090         explicit PatchMeshPtr(PatchMesh* rep) : SharedPtr<PatchMesh>(rep) {}
    00091         PatchMeshPtr(const PatchMeshPtr& r) : SharedPtr<PatchMesh>(r) {}
    00092         PatchMeshPtr(const ResourcePtr& r) : SharedPtr<PatchMesh>()
    00093         {
    00094             // lock & copy other mutex pointer
    00095             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00096             {
    00097                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00098                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00099                 pRep = static_cast<PatchMesh*>(r.getPointer());
    00100                 pUseCount = r.useCountPointer();
    00101                 if (pUseCount)
    00102                 {
    00103                     ++(*pUseCount);
    00104                 }
    00105             }
    00106         }
    00107
    00109         PatchMeshPtr& operator=(const ResourcePtr& r)
    00110         {
    00111             if (pRep == static_cast<PatchMesh*>(r.getPointer()))
    00112                 return *this;
    00113             release();
    00114
    00115             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00116             {
    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             }
    00127             else
    00128             {
    00129                 // RHS must be a null pointer
    00130                 assert(r.isNull() && "RHS must be null if it has no mutex!");
    00131                 setNull();
    00132             }
    00133             return *this;
    00134         }
    00136         PatchMeshPtr& operator=(const MeshPtr& r)
    00137         {
    00138             if (pRep == static_cast<PatchMesh*>(r.getPointer()))
    00139                 return *this;
    00140             release();
    00141             // lock & copy other mutex pointer
    00142             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00143             {
    00144                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00145                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00146                 pRep = static_cast<PatchMesh*>(r.getPointer());
    00147                 pUseCount = r.useCountPointer();
    00148                 if (pUseCount)
    00149                 {
    00150                     ++(*pUseCount);
    00151                 }
    00152             }
    00153             return *this;
    00154         }
    00155     };
    00159 }
    00160
    00161 #endif

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun May 8 2011 20:28:08