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/*==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
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
You can contact Cyan Worlds, Inc. by email legal@cyan.com
or by snail mail at:
Cyan Worlds, Inc.
14617 N Newport Hwy
Mead, WA 99021
*==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 hsScalar fListenStrength;
mutable UInt32 fListenState;
hsScalar fInsideStrength;
hsScalar fOutsideStrength;
virtual hsScalar IUpdateListenerStrength() const;
hsScalar IRemapStrength(hsScalar s) const { return fOutsideStrength + s * (fInsideStrength - fOutsideStrength); }
private:
// Don't call this, use public GetStrength().
virtual hsScalar IGetStrength(const hsPoint3& pos) const = 0;
public:
plSoftVolume();
virtual ~plSoftVolume();
CLASSNAME_REGISTER( plSoftVolume );
GETINTERFACE_ANY( plSoftVolume, plRegionBase );
virtual hsScalar GetStrength(const hsPoint3& pos) const;
virtual hsBool IsInside(const hsPoint3& pos) const { return GetStrength(pos) >= 1.f; }
virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l) = 0;
virtual Int32 GetNumProperties() const { return 1; } // This is stupid.
virtual hsScalar GetListenerStrength() const;
virtual void UpdateListenerPosition(const hsPoint3& p);
virtual void SetCheckListener(hsBool on=true);
virtual hsBool GetCheckListener() const { return 0 != (fListenState & kListenCheck); }
virtual hsBool MsgReceive(plMessage* msg);
virtual void Read(hsStream* stream, hsResMgr* mgr);
virtual void Write(hsStream* stream, hsResMgr* mgr);
void SetInsideStrength(hsScalar s);
void SetOutsideStrength(hsScalar s);
hsScalar GetInsideStrength() const { return fInsideStrength; }
hsScalar GetOutsideStrength() const { return fOutsideStrength; }
};
#endif // plSoftVolume_inc