CWE-ou-minkata/Sources/Plasma/NucleusLib/pnModifier/plConditionalObject.h

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*==LICENSE==*/

#ifndef plConditionalObject_inc
#define plConditionalObject_inc

#include "pnKeyedObject/hsKeyedObject.h"
#include "hsBitVector.h"
#include "pnNetCommon/plSynchedValue.h"

class plLogicModBase;

class plConditionalObject : public hsKeyedObject
{
private:
    // since 'this' is not derived from synchedObject, its synched values must be associated
    // with it's logicModifier (which is a synchedObject).  Thus it's a synched value 'friend'.
    bool                            bSatisfied;     
    bool                            fToggle;
public:
    enum
    {
        kLocalElement   = 0,
        kNOT,
    };
protected:
    plLogicModBase*                 fLogicMod;
    hsBitVector                     fFlags;
    bool                            fReset;
public:
    plConditionalObject();
    virtual ~plConditionalObject();

    CLASSNAME_REGISTER( plConditionalObject );
    GETINTERFACE_ANY( plConditionalObject, hsKeyedObject );

    virtual void Read(hsStream* stream, hsResMgr* mgr) { hsKeyedObject::Read(stream, mgr); bSatisfied = stream->ReadBool(); fToggle = stream->ReadBool();}
    virtual void Write(hsStream* stream, hsResMgr* mgr){ hsKeyedObject::Write(stream, mgr); stream->WriteBool( bSatisfied ); stream->WriteBool(fToggle);}

    virtual void SetLogicMod(plLogicModBase* pMod) { fLogicMod = pMod; }

//  virtual bool MsgReceive(plMessage* msg) = 0;

    virtual bool Satisfied() { if(HasFlag(kNOT)) return !bSatisfied; else return bSatisfied; }
    void SetSatisfied(bool b) { bSatisfied=b; }
    bool IsToggle() { return fToggle; }
    void SetToggle(bool b) { fToggle = b; }

    // this is used if condtiton 1 is dependent on another condition's state at the
    // time of a message coming into condition 1;
    virtual bool Verify(plMessage* msg) { return true; }

    virtual void Evaluate() = 0;
    
    virtual void Reset() = 0;
    virtual bool ResetOnTrigger() { return fReset; }

    bool    HasFlag(int f) const { return fFlags.IsBitSet(f); }
    void    SetFlag(int f) { fFlags.SetBit(f); }
    void    ClearFlag(int which) { fFlags.ClearBit( which ); }


};


#endif // plConditionalObject_inc