renderer.h

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//**************************************************************************/
// Copyright (c) 2008 Autodesk, Inc.
// All rights reserved.
//
// Use of this software is subject to the terms of the Autodesk license
// agreement provided at the time of installation or download, or which
// otherwise accompanies this software in either electronic or hard copy form.
//
//**************************************************************************/
// DESCRIPTION:
// CREATED: October 2008
//**************************************************************************/

namespace mudbox {

class MBDLL_DECL MeshRenderer : public TreeNode
{
    DECLARE_CLASS;

    enum MeshChange
    {
        changeTopology,
        changeVertexPosition,
        changeVertexState,
    };

    virtual void Initialize( void );
    virtual void SetMesh( Mesh *pMesh );
    virtual void Render( 
        const Selector *pSelector = 0, 
        bool bSkipMaterials = false, 
        const Camera *pCamera = 0, 
        const AxisAlignedBoundingBox &bUVFilter = AxisAlignedBoundingBox() 
        );

    virtual unsigned int RenderData( const Selector *pSelector, unsigned int iStart, const Camera *pCamera );
    virtual void DecodeData( unsigned int iData, unsigned int &iFaceIndex, unsigned int &iVertexIndex );

    virtual void OnVertexPositionChange( unsigned int iVertexIndex, unsigned int iFaceIndex );
    virtual void OnVertexStateChange( unsigned int iVertexIndex, unsigned int iFaceIndex );
    virtual void OnMeshChange( MeshChange eChange = changeTopology );

    virtual void SetLODLevel( float fLevel );
    virtual float LODLevel( void ) const;

    virtual const AxisAlignedBoundingBox &ActiveUVArea( void ) const;

    virtual void SetWireFrameMode( bool bMode );
    virtual bool WireFrameMode( void ) const;
    virtual void SetColorMode( bool bMode );
    virtual bool ColorMode( void ) const;
    virtual void SetVertexColor( Color cVertexColor );
    virtual Color VertexColor( void ) const;
    virtual void SetWireLevel( unsigned int iLevel );
    virtual unsigned int WireLevel( void ) const;
    virtual void SetTextureCoordinateMode( bool bMode );
    virtual bool TextureCoordinateMode( void ) const;
    virtual void SetTangentMode( bool bMode );
    virtual bool TangentMode( void ) const;

    virtual bool ReadyForClientRender() { return true;}

    virtual void SetFacetedMode( bool bMode );
    virtual bool FacetedMode( void ) const;
};

class MBDLL_DECL VertexDataProvider : public TreeNode
{
    DECLARE_CLASS;

public:
    struct ComponentDescription
    {
        enum Type
        {
            eFloat,
            eByte,
            eColor,
            eShort
        } m_eType;
        int m_iDimension;
        Material::VertexDataUsage m_eUsage;
    };

    virtual int ComponentCount( void ) const;

    virtual ComponentDescription Component( 
        int iIndex 
        ) const;

    virtual const void *VertexData( 
        unsigned int iVertexIndex, 
        int iComponentIndex 
        ) const;

    virtual void SetVertexData(
        unsigned int iVertexIndex, 
        int iComponentIndex, 
        unsigned int iDimensionIndex, 
        const void* pValue  
    );

    struct DirtyVertex
    {
        unsigned int m_iVertexIndex;    
        unsigned int m_iFaceIndex;      
    };

    virtual QVector<DirtyVertex> &DirtyVertexList( void );
};

}; // end of namespace mudbox