ntl_geometryshader.h

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/******************************************************************************
 *
 * El'Beem - Free Surface Fluid Simulation with the Lattice Boltzmann Method
 * Copyright 2003-2006 Nils Thuerey
 *
 * Interface for a geometry shader
 *
 *****************************************************************************/
#ifndef NTL_GEOMETRYSHADER_H
#define NTL_GEOMETRYSHADER_H

#include "ntl_geometryclass.h"
class ntlGeometryObject;
class ntlRenderGlobals;

class ntlGeometryShader : 
    public ntlGeometryClass
{

    public:

        inline ntlGeometryShader() :
            ntlGeometryClass(), mOutFilename("")
            {};
        virtual ~ntlGeometryShader() {};

        virtual int getTypeId() { return GEOCLASSTID_SHADER; }

        virtual int initializeShader() = 0;

        virtual int postGeoConstrInit(ntlRenderGlobals *glob) { glob=NULL; /*unused*/ return 0; };

        virtual vector<ntlGeometryObject *>::iterator getObjectsBegin() { return mObjects.begin(); }
        virtual vector<ntlGeometryObject *>::iterator getObjectsEnd() { return mObjects.end(); }
        
        virtual void notifyShaderOfDump(int dumptype, int frameNr,char *frameNrStr,string outfilename) = 0;

        string getOutFilename( void ) { return mOutFilename; }

    protected:

        vector<ntlGeometryObject *> mObjects;


        string mOutFilename; 
};

#endif