81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
// Filename: eggMesherFanMaker.h
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// Created by: drose (22Mar05)
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//
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////////////////////////////////////////////////////////////////////
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//
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// PANDA 3D SOFTWARE
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// Copyright (c) 2001 - 2004, Disney Enterprises, Inc. All rights reserved
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//
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// All use of this software is subject to the terms of the Panda 3d
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// Software license. You should have received a copy of this license
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// along with this source code; you will also find a current copy of
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// the license at http://etc.cmu.edu/panda3d/docs/license/ .
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//
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// To contact the maintainers of this program write to
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// panda3d-general@lists.sourceforge.net .
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//
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////////////////////////////////////////////////////////////////////
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#ifndef EGGMESHERFANMAKER_H
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#define EGGMESHERFANMAKER_H
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#include "pandabase.h"
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#include "eggMesherEdge.h"
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#include "eggMesherStrip.h"
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#include "config_egg.h"
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#include "plist.h"
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#include "pvector.h"
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#include "pnotify.h"
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#include "mathNumbers.h"
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class EggMesher;
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////////////////////////////////////////////////////////////////////
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// Class : EggMesherFanMaker
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// Description : This class is used by EggMesher::find_fans() to
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// attempt to make an EggTriangleFan out of the polygons
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// connected to the indicated vertex.
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////////////////////////////////////////////////////////////////////
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class EggMesherFanMaker {
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public:
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typedef plist<const EggMesherEdge *> Edges;
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typedef plist<EggMesherStrip *> Strips;
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EggMesherFanMaker(int vertex, EggMesherStrip *tri,
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EggMesher *mesher);
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EggMesherFanMaker(const EggMesherFanMaker ©);
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void operator = (const EggMesherFanMaker ©);
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INLINE bool operator < (const EggMesherFanMaker &other) const;
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INLINE bool operator != (const EggMesherFanMaker &other) const;
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INLINE bool operator == (const EggMesherFanMaker &other) const;
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INLINE bool is_empty() const;
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INLINE bool is_valid() const;
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INLINE bool is_coplanar_with(const EggMesherFanMaker &other) const;
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bool join(EggMesherFanMaker &other);
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double compute_angle() const;
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int build(EggGroupNode *unrolled_tris);
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int unroll(Strips::iterator strip_begin, Strips::iterator strip_end,
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Edges::iterator edge_begin, Edges::iterator edge_end,
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EggGroupNode *unrolled_tris);
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void output(ostream &out) const;
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int _vertex;
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Edges _edges;
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Strips _strips;
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bool _planar;
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EggMesher *_mesher;
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};
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INLINE ostream &operator << (ostream &out, const EggMesherFanMaker &fm);
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#include "eggMesherFanMaker.I"
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#endif
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