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) 2000-2012 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 #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);
    00059         void update(void* controlPointBuffer, size_t width, size_t height,
    00060                     size_t uMaxSubdivisionLevel, size_t vMaxSubdivisionLevel,
    00061                     PatchSurface::VisibleSide visibleSide);
    00063         void define(void* controlPointBuffer,
    00064             VertexDeclaration *declaration, size_t width, size_t height,
    00065             size_t uMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL,
    00066             size_t vMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL,
    00067             PatchSurface::VisibleSide visibleSide = PatchSurface::VS_FRONT,
    00068             HardwareBuffer::Usage vbUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY,
    00069             HardwareBuffer::Usage ibUsage = HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY,
    00070             bool vbUseShadow = false, bool ibUseShadow = false);
    00071
    00072         /* Sets the current subdivision level as a proportion of full detail.
    00073         @param factor Subdivision factor as a value from 0 (control points only) to 1 (maximum
    00074             subdivision). */
    00075         void setSubdivision(Real factor);
    00076     protected:
    00078         void loadImpl(void);
    00080         void prepareImpl(void) {}
    00081
    00082     };
    00089     class _OgreExport PatchMeshPtr : public SharedPtr<PatchMesh>
    00090     {
    00091     public:
    00092         PatchMeshPtr() : SharedPtr<PatchMesh>() {}
    00093         explicit PatchMeshPtr(PatchMesh* rep) : SharedPtr<PatchMesh>(rep) {}
    00094         PatchMeshPtr(const PatchMeshPtr& r) : SharedPtr<PatchMesh>(r) {}
    00095         PatchMeshPtr(const ResourcePtr& r) : SharedPtr<PatchMesh>()
    00096         {
    00097             // lock & copy other mutex pointer
    00098             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00099             {
    00100                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00101                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00102                 pRep = static_cast<PatchMesh*>(r.getPointer());
    00103                 pUseCount = r.useCountPointer();
    00104                 if (pUseCount)
    00105                 {
    00106                     ++(*pUseCount);
    00107                 }
    00108             }
    00109         }
    00110
    00112         PatchMeshPtr& operator=(const ResourcePtr& r)
    00113         {
    00114             if (pRep == static_cast<PatchMesh*>(r.getPointer()))
    00115                 return *this;
    00116             release();
    00117
    00118             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00119             {
    00120                 // lock & copy other mutex pointer
    00121                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00122                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00123                 pRep = static_cast<PatchMesh*>(r.getPointer());
    00124                 pUseCount = r.useCountPointer();
    00125                 if (pUseCount)
    00126                 {
    00127                     ++(*pUseCount);
    00128                 }
    00129             }
    00130             else
    00131             {
    00132                 // RHS must be a null pointer
    00133                 assert(r.isNull() && "RHS must be null if it has no mutex!");
    00134                 setNull();
    00135             }
    00136             return *this;
    00137         }
    00139         PatchMeshPtr& operator=(const MeshPtr& r)
    00140         {
    00141             if (pRep == static_cast<PatchMesh*>(r.getPointer()))
    00142                 return *this;
    00143             release();
    00144             // lock & copy other mutex pointer
    00145             OGRE_MUTEX_CONDITIONAL(r.OGRE_AUTO_MUTEX_NAME)
    00146             {
    00147                 OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
    00148                 OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
    00149                 pRep = static_cast<PatchMesh*>(r.getPointer());
    00150                 pUseCount = r.useCountPointer();
    00151                 if (pUseCount)
    00152                 {
    00153                     ++(*pUseCount);
    00154                 }
    00155             }
    00156             return *this;
    00157         }
    00158     };
    00162 }
    00163
    00164 #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