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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along with this program. If not, see <http://www.gnu.org/licenses/>.

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;
	hsBool fSeek; // use smart seek or teleport?
	hsScalar fSeekTime; // how long to seek for
	virtual hsBool IEval(double secs, hsScalar del, UInt32 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 hsBool MsgReceive(plMessage* msg);

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

	void AddSafePoint(plKey& key);
	void UseSmartSeek() { fSeek = true; }
	void SetSeekTime(hsScalar 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