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

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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*==LICENSE==*/

#ifndef plMorphDelta_inc
#define plMorphDelta_inc

#include "hsTemplates.h"
#include "hsGeometry3.h"
#include "pnFactory/plCreatable.h"

#include "plAccessSpan.h"

class plVertDelta
{
public:
    uint16_t      fIdx;
    uint16_t      fPadding;
    hsVector3   fPos;
    hsVector3   fNorm;
};

class plMorphSpan
{
public:
    plMorphSpan();
    virtual ~plMorphSpan();

    hsTArray<plVertDelta>   fDeltas;

    uint16_t                  fNumUVWChans;
    hsPoint3*               fUVWs; // Length is fUVWChans*fDeltas.GetCount() (*sizeof(hsPoint3) in bytes).
};

class plMorphDelta : public plCreatable
{
protected:
    hsTArray<plMorphSpan>   fSpans;

    float                fWeight;
public:
    plMorphDelta();
    virtual ~plMorphDelta();

    plMorphDelta(const plMorphDelta& src);
    plMorphDelta& operator=(const plMorphDelta& src);

    CLASSNAME_REGISTER( plMorphDelta );
    GETINTERFACE_ANY( plMorphDelta, plCreatable );

    void        SetWeight(float w) { fWeight = w; }
    float    GetWeight() const { return fWeight; }

    void        Apply(hsTArray<plAccessSpan>& dst, float weight = -1.f) const;

    void        ComputeDeltas(const hsTArray<plAccessSpan>& base, const hsTArray<plAccessSpan>& moved);
    void        ComputeDeltas(const hsTArray<plGeometrySpan*>& base, const hsTArray<plGeometrySpan*>& moved, const hsMatrix44& d2b, const hsMatrix44& d2bTInv);

    uint32_t      GetNumSpans() const { return fSpans.GetCount(); }
    void        SetNumSpans(int n);
    void        SetDeltas(int iSpan, const hsTArray<plVertDelta>& deltas, int numUVWChans, const hsPoint3* uvws); // len uvws is deltas.GetCount() * numUVWChans

    void        AllocDeltas(int iSpan, int nDel, int nUVW);

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

};

#endif // plMorphDelta_inc