CWE-ou-minkata/Sources/Plasma/PubUtilLib/plDrawable/plClusterGroup.h

/*==LICENSE==*

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Copyright (C) 2011  Cyan Worlds, Inc.

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*==LICENSE==*/

#ifndef plClusterGroup_inc
#define plClusterGroup_inc

#include "hsTemplates.h"
#include "hsBitVector.h"
#include "plRenderLevel.h"
#include "pnKeyedObject/hsKeyedObject.h"

class hsStream;
class hsResMgr;
class plSpanTemplate;
class plCluster;
class hsGMaterial;
class plVisRegion;
class plLightInfo;
class plMessage;
class plGenRefMsg;
class plDrawableSpans;

class plLODDist
{
public:
    float fMinDist;
    float fMaxDist;

    plLODDist(float minDist, float maxDist) : fMinDist(minDist), fMaxDist(maxDist) {}
    plLODDist() : fMinDist(0), fMaxDist(0) {}

    plLODDist& Set(float minDist, float maxDist) { fMinDist = minDist; fMaxDist = maxDist; return *this; }

    plLODDist& operator=(int d) { fMinDist = float(d); fMaxDist = float(d); return *this; }

    int operator==(const plLODDist& d) const { return (fMinDist == d.fMinDist)&&(fMaxDist == d.fMaxDist); }

    void Read(hsStream* s);
    void Write(hsStream* s) const;

};

class plClusterGroup : public hsKeyedObject
{
public:
    enum RefType {
        kRefMaterial,
        kRefRegion,
        kRefLight
    };
protected:
    plSpanTemplate*                 fTemplate;

    hsGMaterial*                    fMaterial;

    hsTArray<plVisRegion*>          fRegions;
    hsBitVector                     fVisSet;
    hsBitVector                     fVisNot;

    hsTArray<plLightInfo*>          fLights;

    plLODDist                       fLOD;

    hsTArray<plCluster*>            fClusters;
    uint32_t                          fUnPacked;

    plKey                           fSceneNode;
    plKey                           fDrawable;

    plRenderLevel                   fRenderLevel;

    bool        IAddVisRegion(plVisRegion* reg);
    bool        IRemoveVisRegion(plVisRegion* reg);
    bool        IAddLight(plLightInfo* li);
    bool        IRemoveLight(plLightInfo* li);
    bool        IOnRef(plGenRefMsg* ref);
    bool        IOnRemove(plGenRefMsg* ref);
    bool        IOnReceive(plGenRefMsg* ref);
    void        ISetVisBits();
    void        ISendToSelf(RefType t, hsKeyedObject* ref);

    plCluster*  IAddCluster();
    plCluster*  IGetCluster(int i) const;

    friend class plClusterUtil;
public:
    plClusterGroup();
    ~plClusterGroup();

    CLASSNAME_REGISTER( plClusterGroup );
    GETINTERFACE_ANY( plClusterGroup, hsKeyedObject );

    virtual void Read(hsStream* stream, hsResMgr* mgr);
    virtual void Write(hsStream* stream, hsResMgr* mgr);

    virtual bool MsgReceive(plMessage* msg);

    hsGMaterial* GetMaterial() const { return fMaterial; }
    const hsBitVector& GetVisSet() const { return fVisSet; }
    const hsBitVector& GetVisNot() const { return fVisNot; }
    const hsTArray<plLightInfo*>& GetLights() const { return fLights; }
    const plLODDist& GetLOD() const { return fLOD; }

    const plSpanTemplate* GetTemplate() const { return fTemplate; }

    const plCluster* GetCluster(int i) const;
    int         GetNumClusters() const { return fClusters.GetCount(); }
    uint32_t      NumInst() const;

    // The drawable needs us to be able to convert our data
    // into, well, drawable stuff.
    void UnPack();

    void SetVisible(bool visible=true);

    void SetSceneNode(const plKey& key) { fSceneNode = key; }
    plKey GetSceneNode() const { return fSceneNode; }
    
    plKey GetDrawable() const { return fDrawable; }

    plRenderLevel GetRenderLevel() const { return fRenderLevel; }
};

#endif // plClusterGroup_inc