---

HierRad.h

Go to the documentation of this file.

/*
    File:           HierRad.h

    Function:       Provides a class for lighting a scene using hierarchical
                    (wavelet) radiosity.
                    
    Author(s):      Andrew Willmott

    Copyright:      (c) 1997-2000, Andrew Willmott
 */

#ifndef __HierRad__
#define __HierRad__

#include "RadMethod.h"
#include "HRElem.h"
#include "Cluster.h"

class HierRad : public RadMethod
{
public:
    HierRad();
    ~HierRad();
    
    virtual HRLink
                *CreateLink();
                // create a new elem->elem link

    Void        SetScene(scScenePtr scene);
    Void        ResetOptions();
    RadElem     *NewMesh();
    Int         Stage(Int stage);
    Void        Draw(Renderer &r);
    Void        DrawMatrix(Renderer &r);
    Void        DumpStats();
    Void        ColourVertices();
    PatchList   *GetElements();

    Void        PrintCmds(ostream &s) const;
    Bool        ParseCmd(StrConst str, istream &s);

    // Render methods
    Bool        Render();               // override

    // Linking methods
    Bool        CreateClusterLink();
                // for clustering
    Bool        CreateInitialPatchLinks();
                // for normal wavelet radiosity.

    // Solution methods
    Bool        ScheduledSolve();
    Bool        MultiGridSolve();
    Bool        TwoStageSolve();

    // Extras
    HRElem      *ClosestHRIntersection(Point &start, Vector &direction, 
                                     Point &hitPoint);

    // Fields
    HRElemList  clusterableElems;   
    Cluster     *cluster;           
    HRElemPtr   *trees;             
    Int         numTrees;
    HRElemPtr   clusTree;           
    PatchList   *leaves;

    Int         iterations;
    Int         poly;
    GCLReal     error;
    Int         linkPatch;
    Int         linksCreated;
    Int         linksCreatedLast;


    static Void *New() { return(new HierRad); };
};

#endif

---