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49 lines
1.6 KiB
C++
49 lines
1.6 KiB
C++
// Filename: dxfVertexMap.cxx
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// Created by: drose (04May04)
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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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#include "dxfVertexMap.h"
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////////////////////////////////////////////////////////////////////
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// Function: DXFVertexMap::get_vertex_index
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// Access: Public
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// Description: Looks up the vertex in the map, and returns an index
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// unique to that vertex. If the vertex has been used
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// before, returns the index used previously; otherwise,
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// assigns a new, unique index to the vertex and returns
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// that.
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////////////////////////////////////////////////////////////////////
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int DXFVertexMap::
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get_vertex_index(const DXFVertex &vert) {
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iterator vmi;
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vmi = find(vert);
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if (vmi != end()) {
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// The vertex was already here.
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return (*vmi).second;
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}
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// Nope, need a new vertex.
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int index = size();
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(*this)[vert] = index;
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// That should have added one to the map.
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nassertr((int)size() == index+1, index);
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return index;
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}
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