OgreInstanceBatchHW.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) 2000-2012 Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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*/
#ifndef __InstanceBatchHW_H__
#define __InstanceBatchHW_H__

#include "OgreInstanceBatch.h"

namespace Ogre
{
    class _OgreExport InstanceBatchHW : public InstanceBatch
    {
        bool    mKeepStatic;

        void setupVertices( const SubMesh* baseSubMesh );
        void setupIndices( const SubMesh* baseSubMesh );

        void removeBlendData();
        virtual bool checkSubMeshCompatibility( const SubMesh* baseSubMesh );

        size_t updateVertexBuffer( Camera *currentCamera );

    public:
        InstanceBatchHW( InstanceManager *creator, MeshPtr &meshReference, const MaterialPtr &material,
                            size_t instancesPerBatch, const Mesh::IndexMap *indexToBoneMap,
                            const String &batchName );
        virtual ~InstanceBatchHW();

        size_t calculateMaxNumInstances( const SubMesh *baseSubMesh, uint16 flags ) const;

        void buildFrom( const SubMesh *baseSubMesh, const RenderOperation &renderOperation );

        void _boundsDirty(void);

        void setStaticAndUpdate( bool bStatic );

        bool isStatic() const                       { return mKeepStatic; }

        //Renderable overloads
        void getWorldTransforms( Matrix4* xform ) const;
        unsigned short getNumWorldTransforms(void) const;

        virtual void _updateRenderQueue( RenderQueue* queue );
    };
}

#endif