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