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/*==LICENSE==*
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CyanWorlds.com Engine - MMOG client, server and tools
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Copyright (C) 2011 Cyan Worlds, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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You can contact Cyan Worlds, Inc. by email legal@cyan.com
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or by snail mail at:
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Cyan Worlds, Inc.
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14617 N Newport Hwy
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Mead, WA 99021
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*==LICENSE==*/
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#ifndef plSoftVolume_inc
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#define plSoftVolume_inc
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#include "plRegionBase.h"
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#include "hsGeometry3.h"
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class hsStream;
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class hsResMgr;
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class plMessage;
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class plSoftVolume : public plRegionBase
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{
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public:
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enum RefTypes {
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kSubVolume
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};
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protected:
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enum {
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kListenNone = 0x0,
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kListenCheck = 0x1,
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kListenPosSet = 0x2,
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kListenDirty = 0x4,
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kListenRegistered = 0x8
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};
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hsPoint3 fListenPos;
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mutable hsScalar fListenStrength;
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mutable UInt32 fListenState;
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hsScalar fInsideStrength;
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hsScalar fOutsideStrength;
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virtual hsScalar IUpdateListenerStrength() const;
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hsScalar IRemapStrength(hsScalar s) const { return fOutsideStrength + s * (fInsideStrength - fOutsideStrength); }
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private:
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// Don't call this, use public GetStrength().
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virtual hsScalar IGetStrength(const hsPoint3& pos) const = 0;
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public:
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plSoftVolume();
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virtual ~plSoftVolume();
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CLASSNAME_REGISTER( plSoftVolume );
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GETINTERFACE_ANY( plSoftVolume, plRegionBase );
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virtual hsScalar GetStrength(const hsPoint3& pos) const;
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virtual hsBool IsInside(const hsPoint3& pos) const { return GetStrength(pos) >= 1.f; }
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virtual void SetTransform(const hsMatrix44& l2w, const hsMatrix44& w2l) = 0;
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virtual Int32 GetNumProperties() const { return 1; } // This is stupid.
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virtual hsScalar GetListenerStrength() const;
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virtual void UpdateListenerPosition(const hsPoint3& p);
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virtual void SetCheckListener(hsBool on=true);
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virtual hsBool GetCheckListener() const { return 0 != (fListenState & kListenCheck); }
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virtual hsBool MsgReceive(plMessage* msg);
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virtual void Read(hsStream* stream, hsResMgr* mgr);
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virtual void Write(hsStream* stream, hsResMgr* mgr);
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void SetInsideStrength(hsScalar s);
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void SetOutsideStrength(hsScalar s);
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hsScalar GetInsideStrength() const { return fInsideStrength; }
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hsScalar GetOutsideStrength() const { return fOutsideStrength; }
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};
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#endif // plSoftVolume_inc
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