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path.h

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// OMICRON ENGINE HEADER FILE
//
// --------------------------------------------------------------------------
// Copyright (C) 2001-2002 by Bjoern Paetzel <kolrabi@gmx.de>
//
// This file is part of the Omicron Engine.
//
// The Omicron Engine 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  2  of the License,  or (at your
// option) any later version.
//
// The Omicron Engine  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 The Omicron Engine;  if not,  write to the  Free Software Foundation,
// Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
//
// --------------------------------------------------------------------------
// Last modified:       $Date: 2002/12/07 19:02:17 $
// By           :       $Author: kolrabi $
// $Id: path.h,v 1.1.1.1 2002/12/07 19:02:17 kolrabi Exp $ 

/*

  $Log: path.h,v $
  Revision 1.1.1.1  2002/12/07 19:02:17  kolrabi
  initial release


*/

#include            "vector.h" 
#include            "list.h" 

#ifndef             OMICRON_TYPES_PATH_DEFINED 
#define             OMICRON_TYPES_PATH_DEFINED 

class path_c 
{
protected:

    struct node_s                       
    { 
        vec3_c      pos;                
        float       frac;               
    }; 

    list_c <node_s> *nodes;             
    bool            closed;             
 
    float           lengthfactor; 
 
public: 
 
    // c'tor & d'tor 
    path_c(); 
    virtual ~path_c(); 

    void                                
    add_node(float frac, vec3_t pos);

    // 
    slong                               
    get_node_num(float);                

    node_s *                            
    get_node(slong); 

    vec3_c                              
    get_pos(float frac); 

    void                                
    set_closed(bool b) 
    {
        AssertThis;
        closed = b?1:0;
    };

    void                                
    set_length(float f)
    {
        AssertThis;
        AssertReturn1(f);

        lengthfactor = 1/f;
    }

    slong                               
    get_count()
    {
        AssertThisValue(INVALID_INDEX);
        return nodes->get_count();
    }

};

#endif

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