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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 plVisLOSMgr_inc
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#define plVisLOSMgr_inc
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#include "hsGeometry3.h"
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#include "hsTemplates.h"
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class plSpaceTreeNode;
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class plSpaceTree;
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class plDrawableSpans;
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class plDrawable;
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class plSceneNode;
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class plPageTreeMgr;
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class plPipeline;
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class hsBounds3Ext;
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class plVisHit
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{
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public:
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hsPoint3 fPos;
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};
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class plSpaceHit
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{
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public:
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int fIdx;
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hsScalar fClosest;
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};
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class plVisLOSMgr
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{
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protected:
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plPageTreeMgr* fPageMgr;
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plPipeline* fPipe;
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hsScalar fMaxDist;
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hsPoint3 fCurrFrom;
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hsPoint3 fCurrTarg;
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hsBool ISetup(const hsPoint3& pStart, const hsPoint3& pEnd);
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hsBool ICheckBound(const hsBounds3Ext& bnd, hsScalar& closest);
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hsBool ICheckSpaceTreeRecur(plSpaceTree* space, int which, hsTArray<plSpaceHit>& hits);
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hsBool ICheckSpaceTree(plSpaceTree* space, hsTArray<plSpaceHit>& hits);
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hsBool ICheckSceneNode(plSceneNode* node, plVisHit& hit);
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hsBool ICheckDrawable(plDrawable* d, plVisHit& hit);
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hsBool ICheckSpan(plDrawableSpans* dr, UInt32 spanIdx, plVisHit& hit);
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public:
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hsBool Check(const hsPoint3& pStart, const hsPoint3& pEnd, plVisHit& hit);
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hsBool CursorCheck(plVisHit& hit);
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static plVisLOSMgr* Instance();
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static void Init(plPipeline* pipe, plPageTreeMgr* mgr) { Instance()->fPipe = pipe; Instance()->fPageMgr = mgr; }
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static void DeInit() { Instance()->fPipe = nil; Instance()->fPageMgr = nil; }
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};
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#endif // plVisLOSMgr_inc
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