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113 lines
2.8 KiB
C++
113 lines
2.8 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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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 Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_ZONE_TGT_SMOOTHER_H
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#define NL_ZONE_TGT_SMOOTHER_H
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#include "nel/misc/types_nl.h"
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#include "nel/3d/zone.h"
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#include "nel/misc/common.h"
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#include <map>
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#include <list>
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#include <vector>
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namespace NL3D
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{
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// ***************************************************************************
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/**
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* A class used to make Vertices coplanar IN or/and across zones.
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* \author Lionel Berenguier
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* \author Nevrax France
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* \date 2000
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*/
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class CZoneTgtSmoother
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{
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public:
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/// Constructor
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CZoneTgtSmoother() {}
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/// Doit method. zones are modified. zones[0] is the center zones. Other are border zones.
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void makeVerticesCoplanar(std::vector<CZoneInfo> &zones);
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// *************************
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private:
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struct CPatchId
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{
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// The unique Id of the patch.
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uint16 ZoneId;
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uint16 PatchId;
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// a ptr on the patch.
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CPatchInfo* Patch;
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// [0,3]. which vertex of this patch points on the vertex.
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sint IdVert;
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// local index on tangentes, around the vertex.
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sint Tangents[2];
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};
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struct CTangentId
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{
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uint16 ZoneId;
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uint16 PatchId;
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sint EdgeId;
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// The two patchs which share the tangent.
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CPatchInfo *Patchs[2];
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// The value of this tangent.
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CVector Tangent;
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bool isOppositeOf(const CTangentId &tgt)
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{
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// 4x4 configuartion only.
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// The opposite tangent do not have the same patchs which share this tangent.
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if(Patchs[0]==tgt.Patchs[0]) return false;
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if(Patchs[0]==tgt.Patchs[1]) return false;
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if(Patchs[1]==tgt.Patchs[0]) return false;
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if(Patchs[1]==tgt.Patchs[1]) return false;
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return true;
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}
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};
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struct CVertexInfo
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{
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// neighbors patchs.
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std::list<CPatchId> Patchs;
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bool OnBorder;
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CVertexInfo()
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{
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OnBorder= false;
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}
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};
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typedef std::map<sint, CVertexInfo> TVertexMap;
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typedef TVertexMap::iterator ItVertexMap;
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private:
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TVertexMap VertexMap;
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};
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} // NL3D
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#endif // NL_ZONE_TGT_SMOOTHER_H
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/* End of zone_tgt_smoother.h */
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