eggFilter.cxx

Go to the documentation of this file.

/**
 * PANDA 3D SOFTWARE
 * Copyright (c) Carnegie Mellon University.  All rights reserved.
 *
 * All use of this software is subject to the terms of the revised BSD
 * license.  You should have received a copy of this license along
 * with this source code in a file named "LICENSE."
 *
 * @file eggFilter.cxx
 * @author drose
 * @date 2000-02-14
 */

#include "eggFilter.h"

/**
 *
 */
EggFilter::
EggFilter(bool allow_last_param, bool allow_stdout) :
  EggWriter(allow_last_param, allow_stdout)
{
  // The default path store for programs that read egg files and write them
  // again is PS_relative.
  _path_replace->_path_store = PS_relative;

  clear_runlines();
  if (allow_last_param) {
    add_runline("[opts] input.egg output.egg");
  }
  add_runline("[opts] -o output.egg input.egg");
  if (allow_stdout) {
    add_runline("[opts] input.egg >output.egg");
  }

  redescribe_option
    ("cs",
     "Specify the coordinate system of the resulting egg file.  This may be "
     "one of 'y-up', 'z-up', 'y-up-left', or 'z-up-left'.  The default "
     "is the same coordinate system as the input egg file.  If this is "
     "different from the input egg file, a conversion will be performed.");
}


/**
 * Does something with the additional arguments on the command line (after all
 * the -options have been parsed).  Returns true if the arguments are good,
 * false otherwise.
 */
bool EggFilter::
handle_args(ProgramBase::Args &args) {
  if (!check_last_arg(args, 1)) {
    return false;
  }

  if (!_got_path_directory && _got_output_filename) {
    // Put in the name of the output directory.
    _path_replace->_path_directory = _output_filename.get_dirname();
  }

  return EggReader::handle_args(args);
}

/**
 *
 */
bool EggFilter::
post_command_line() {
  // writer first, so we can fiddle with the _path_replace options if
  // necessary.
  return EggWriter::post_command_line() && EggReader::post_command_line();
}