OgrePatchMesh.h

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/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-2005 The OGRE Team
Also see acknowledgements in Readme.html

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/
#ifndef __PatchMesh_H__
#define __PatchMesh_H__

#include "OgrePrerequisites.h"
#include "OgreMesh.h"
#include "OgrePatchSurface.h"

namespace Ogre {

    class _OgreExport PatchMesh : public Mesh
    {
    protected:
        PatchSurface mSurface;
        VertexDeclaration* mDeclaration;
    public:
        PatchMesh(ResourceManager* creator, const String& name, ResourceHandle handle,
            const String& group);

        void define(void* controlPointBuffer, 
            VertexDeclaration *declaration, size_t width, size_t height,
            size_t uMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL, 
            size_t vMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL,
            PatchSurface::VisibleSide visibleSide = PatchSurface::VS_FRONT,
            HardwareBuffer::Usage vbUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 
            HardwareBuffer::Usage ibUsage = HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY,
            bool vbUseShadow = false, bool ibUseShadow = false);

        /* Sets the current subdivision level as a proportion of full detail.
        @param factor Subdivision factor as a value from 0 (control points only) to 1 (maximum
            subdivision). */
        void setSubdivision(Real factor);
    protected:
        void loadImpl(void);

    };
    class _OgreExport PatchMeshPtr : public SharedPtr<PatchMesh> 
    {
    public:
        PatchMeshPtr() : SharedPtr<PatchMesh>() {}
        explicit PatchMeshPtr(PatchMesh* rep) : SharedPtr<PatchMesh>(rep) {}
        PatchMeshPtr(const PatchMeshPtr& r) : SharedPtr<PatchMesh>(r) {} 
        PatchMeshPtr(const ResourcePtr& r) : SharedPtr<PatchMesh>()
        {
            // lock & copy other mutex pointer
            OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
            OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
            pRep = static_cast<PatchMesh*>(r.getPointer());
            pUseCount = r.useCountPointer();
            if (pUseCount)
            {
                ++(*pUseCount);
            }
        }

        PatchMeshPtr& operator=(const ResourcePtr& r)
        {
            if (pRep == static_cast<PatchMesh*>(r.getPointer()))
                return *this;
            release();
            // lock & copy other mutex pointer
            OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
            OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
            pRep = static_cast<PatchMesh*>(r.getPointer());
            pUseCount = r.useCountPointer();
            if (pUseCount)
            {
                ++(*pUseCount);
            }
            return *this;
        }
        PatchMeshPtr& operator=(const MeshPtr& r)
        {
            if (pRep == static_cast<PatchMesh*>(r.getPointer()))
                return *this;
            release();
            // lock & copy other mutex pointer
            OGRE_LOCK_MUTEX(*r.OGRE_AUTO_MUTEX_NAME)
            OGRE_COPY_AUTO_SHARED_MUTEX(r.OGRE_AUTO_MUTEX_NAME)
            pRep = static_cast<PatchMesh*>(r.getPointer());
            pUseCount = r.useCountPointer();
            if (pUseCount)
            {
                ++(*pUseCount);
            }
            return *this;
        }
    };

}

#endif

---

Copyright © 2000-2005 by The OGRE Team

This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Sun Mar 12 14:37:46 2006