CWE-ou-minkata/Sources/Plasma/PubUtilLib/plModifier/plExcludeRegionModifier.h

/*==LICENSE==*

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

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
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GNU General Public License for more details.

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Additional permissions under GNU GPL version 3 section 7

If you modify this Program, or any covered work, by linking or
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
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*==LICENSE==*/
#ifndef plExcludeRegionModifier_inc
#define plExcludeRegionModifier_inc

#include "pnModifier/plSingleModifier.h"
#include "hsMatrix44.h"
#include "hsTemplates.h"
#include "plModifier/plSDLModifier.h"

//
// Moves all of the avatars out of the area it's SceneObject occupies and makes it
// physical on clear message.  Makes the SO non-physical again on release message.
//
class plExcludeRegionSDLModifier;
class plExcludeRegionModifier : public plSingleModifier
{
protected:
    enum
    {
        kBlockCameras,  
    };
    std::vector<plKey> fSafePoints; // Safe positions to move avatars to
    hsTArray<plKey> fContainedAvatars;      // Avatars inside our volume
    plExcludeRegionSDLModifier  *fSDLModifier;
    bool fSeek; // use smart seek or teleport?
    float fSeekTime; // how long to seek for
    virtual bool IEval(double secs, float del, uint32_t dirty) { return true; }

    void ISetPhysicalState(bool cleared);

    int IFindClosestSafePoint(plKey avatar);
    bool ICheckSubworlds(plKey avatar);
    void IMoveAvatars();

    friend class plExcludeRegionSDLModifier;

public:
    plExcludeRegionModifier();
    ~plExcludeRegionModifier();

    CLASSNAME_REGISTER(plExcludeRegionModifier);
    GETINTERFACE_ANY(plExcludeRegionModifier, plSingleModifier);

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

    virtual bool MsgReceive(plMessage* msg);

    virtual void AddTarget(plSceneObject* so);
    virtual void RemoveTarget( plSceneObject *so );

    void AddSafePoint(plKey& key);
    void UseSmartSeek() { fSeek = true; }
    void SetSeekTime(float s) { fSeekTime = s; }
    void SetBlockCameras(bool block) { fFlags.SetBit(kBlockCameras, block); }
};

class plExcludeRegionSDLModifier : public plSDLModifier
{
protected:
    plExcludeRegionModifier* fXRegion;

    void IPutCurrentStateIn(plStateDataRecord* dstState);
    void ISetCurrentStateFrom(const plStateDataRecord* srcState);

public:
    plExcludeRegionSDLModifier();
    plExcludeRegionSDLModifier(plExcludeRegionModifier* xregion);

    CLASSNAME_REGISTER(plExcludeRegionSDLModifier);
    GETINTERFACE_ANY(plExcludeRegionSDLModifier, plSDLModifier);

    const char* GetSDLName() const { return kSDLXRegion; }
};

#endif // plExcludeRegionModifier_inc