CWE-ou-minkata/Sources/Plasma/PubUtilLib/plIntersect/plSoftVolume.h

/*==LICENSE==*

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*==LICENSE==*/

#ifndef plSoftVolume_inc
#define plSoftVolume_inc

#include "plRegionBase.h"
#include "hsGeometry3.h"

class hsStream;
class hsResMgr;
class plMessage;

class plSoftVolume : public plRegionBase
{
public:
    enum RefTypes {
        kSubVolume
    };

protected:
    enum {
        kListenNone             = 0x0,
        kListenCheck            = 0x1,
        kListenPosSet           = 0x2,
        kListenDirty            = 0x4,
        kListenRegistered       = 0x8
    };

    hsPoint3                fListenPos;
    mutable float        fListenStrength;
    mutable uint32_t          fListenState;

    float                fInsideStrength;
    float                fOutsideStrength;

    virtual float        IUpdateListenerStrength() const;

    float                IRemapStrength(float s) const { return fOutsideStrength + s * (fInsideStrength - fOutsideStrength); }

private:
    // Don't call this, use public GetStrength().
    virtual float        IGetStrength(const hsPoint3& pos) const = 0;

public:
    plSoftVolume();
    virtual ~plSoftVolume();

    CLASSNAME_REGISTER( plSoftVolume );
    GETINTERFACE_ANY( plSoftVolume, plRegionBase );

    virtual float GetStrength(const hsPoint3& pos) const;
    virtual bool IsInside(const hsPoint3& pos) const { return GetStrength(pos) >= 1.f; }

    virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l) = 0;

    virtual int32_t   GetNumProperties() const { return 1; } // This is stupid.

    virtual float    GetListenerStrength() const;
    virtual void        UpdateListenerPosition(const hsPoint3& p);
    virtual void        SetCheckListener(bool on=true);
    virtual bool        GetCheckListener() const { return 0 != (fListenState & kListenCheck); }

    virtual bool MsgReceive(plMessage* msg);

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

    void SetInsideStrength(float s);
    void SetOutsideStrength(float s);

    float GetInsideStrength() const { return fInsideStrength; }
    float GetOutsideStrength() const { return fOutsideStrength; }
};

#endif // plSoftVolume_inc