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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 plInterMeshSmooth_inc
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#define plInterMeshSmooth_inc
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#include "hsTemplates.h"
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class plDrawableSpans;
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struct hsPoint3;
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struct hsVector3;
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class plSpanHandle
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{
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public:
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plDrawableSpans* fDrawable;
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UInt32 fSpanIdx;
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};
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class plInterMeshSmooth
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{
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protected:
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hsScalar fMinNormDot;
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void FindEdges(UInt32 maxVtxIdx, UInt32 nTris, UInt16* idxList, hsTArray<UInt16>& edgeVerts);
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void FindEdges(hsTArray<plSpanHandle>& sets, hsTArray<UInt16>* edgeVerts);
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void FindSharedVerts(hsPoint3& searchPos, plSpanHandle& set, hsTArray<UInt16>& edgeVerts, hsTArray<UInt16>& shareVtx, hsVector3& normAccum);
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void SetNormals(plSpanHandle& set, hsTArray<UInt16>& shareVtx, hsVector3& norm);
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hsPoint3& GetPosition(plSpanHandle& set, UInt16 idx);
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hsVector3& GetNormal(plSpanHandle& set, UInt16 idx);
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public:
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plInterMeshSmooth() : fMinNormDot(0.25f) {}
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void SetAngle(hsScalar degs);
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hsScalar GetAngle() const; // returns degrees
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void SmoothNormals(hsTArray<plSpanHandle>& sets);
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};
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#endif // plInterMeshSmooth_inc
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