gzRenderAction.h

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//*****************************************************************************
// File         : gzRenderAction.h
// Module       : 
// Description  : Class definition of the gzRenderAction class
// Author       : Anders Modén      
// Product      : Gizmo3D 2.1.1
//      
// Copyright © 2003- Saab Training Systems AB, Sweden   
//          
// NOTE:    Gizmo3D is a high performance 3D Scene Graph and effect visualisation 
//          C++ toolkit for Linux, Mac OS X, Windows (Win32) and IRIX® for  
//          usage in Game or VisSim development.
//
//
// Revision History...                          
//                                  
// Who  Date    Description                     
//                                  
// AMO  981127  Created file    
//
//******************************************************************************
#ifndef __GZ_RENDER_ACTION_H__
#define __GZ_RENDER_ACTION_H__

#include "gzNode.h"
#include "gzCamera.h"
#include "gzMatrix.h"
#include "gzEnvironment.h"

class gzRenderNode
{
public:
    gzNode              *node;
    gzULong             stateAttributeIndex;
    gzULong             transformIndex;
    gzULong             transformUpdateID;
    gzULong             transformBaseIndex;
    gzULong             lightStateIndex;
    gzULong             clipStateIndex;
    gzULong             fogStateIndex;
};

//******************************************************************************
// Class    : gzRenderAction
//                                  
// Purpose  : -
//                                  
// Notes    : - 
//                                  
// Revision History...                          
//                                  
// Who  Date    Description                     
//                                  
// AMO  981127  Created 
//                                  
//******************************************************************************
class gzRenderAction : public gzTraverseAction
{
public:
    GZ_DECLARE_TYPE_INTERFACE_EXPORT(GZ_GRAPH_EXPORT);  // typed interface

    GZ_GRAPH_EXPORT gzRenderAction();
    GZ_GRAPH_EXPORT virtual ~gzRenderAction(){};

    GZ_GRAPH_EXPORT gzVoid reset(gzContext *context,gzBool mainLoop);

    GZ_GRAPH_EXPORT gzVoid render(gzNode *node ,gzContext *context,gzBool mainLoop);
    GZ_GRAPH_EXPORT gzVoid renderGroup(gzGroup *group ,gzContext *context,gzBool mainLoop);
    GZ_GRAPH_EXPORT gzVoid executeRenderStages(gzContext *context);

    // ----------------- stage management -------------------------------
    GZ_GRAPH_EXPORT gzVoid addNodeToRenderStage( gzContext *context , gzNode *node , gzActionStage stage);
    GZ_GRAPH_EXPORT gzVoid renderStage(gzContext *context , gzActionStage stage);
    GZ_GRAPH_EXPORT gzVoid setCamera(gzCamera *camera);

    // ----------------- Compiled stages --------------------------------
    GZ_GRAPH_EXPORT static gzVoid convertToCompiledStages(const gzMatrix4 &inv,gzContext *context);
    GZ_GRAPH_EXPORT static gzVoid addReferenceToCompiledStages(gzContext *context);
    GZ_GRAPH_EXPORT static gzVoid releaseReferenceToCompiledStages(gzContext *context);
    GZ_GRAPH_EXPORT static gzVoid expandMatrixGeometry(gzContext *context);


protected:

    GZ_GRAPH_EXPORT virtual gzBool checkBoundary(gzContext *context , gzNode *node);

    GZ_GRAPH_EXPORT virtual gzVoid preTraverseAction( gzNode *node , gzContext *context);
    GZ_GRAPH_EXPORT virtual gzVoid postTraverseAction( gzNode *node , gzContext *context);
private:

    gzCamera        *m_camera;
};

#endif

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