// Filename: somethingToEggConverter.I
// Created by:  drose (26Apr01)
//
////////////////////////////////////////////////////////////////////
//
// 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."
//
////////////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::clear_error
//       Access: Public
//  Description: Resets the error flag to the no-error state.
//               had_error() will return false until a new error is
//               generated.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
clear_error() {
  _error = false;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::had_error
//       Access: Public
//  Description: Returns true if an error was detected during the
//               conversion process (unless _allow_errors is true),
//               false otherwise.
////////////////////////////////////////////////////////////////////
INLINE bool SomethingToEggConverter::
had_error() const {
  return !_allow_errors && (_error || _path_replace->had_error());
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_path_replace
//       Access: Public
//  Description: Replaces the PathReplace object (which specifies how
//               to mangle paths from the source to the destination
//               egg file) with a new one.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_path_replace(PathReplace *path_replace) {
  _path_replace = path_replace;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_path_replace
//       Access: Public
//  Description: Returns a pointer to the PathReplace object
//               associated with this converter.  If the converter is
//               non-const, this returns a non-const pointer, which
//               can be adjusted.
////////////////////////////////////////////////////////////////////
INLINE PathReplace *SomethingToEggConverter::
get_path_replace() {
  return _path_replace;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_path_replace
//       Access: Public
//  Description: Returns a pointer to the PathReplace object
//               associated with this converter.  If the converter is
//               non-const, this returns a non-const pointer, which
//               can be adjusted.
////////////////////////////////////////////////////////////////////
INLINE const PathReplace *SomethingToEggConverter::
get_path_replace() const {
  return _path_replace;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_animation_convert
//       Access: Public
//  Description: Specifies how source animation will be converted into
//               egg structures.  The default is AC_none, which means
//               animation tables will be ignored.  This is only
//               meaningful for converters that understand animation.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_animation_convert(AnimationConvert animation_convert) {
  _animation_convert = animation_convert;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_animation_convert
//       Access: Public
//  Description: Returns how source animation will be converted into
//               egg structures.
////////////////////////////////////////////////////////////////////
INLINE AnimationConvert SomethingToEggConverter::
get_animation_convert() const {
  return _animation_convert;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_character_name
//       Access: Public
//  Description: Specifies the name of the character generated.  This
//               name should match between all the model and channel
//               egg files for a particular character and its
//               associated animations.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_character_name(const string &character_name) {
  _character_name = character_name;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_character_name
//       Access: Public
//  Description: Returns the name of the character generated.  See
//               set_character_name().
////////////////////////////////////////////////////////////////////
INLINE const string &SomethingToEggConverter::
get_character_name() const {
  return _character_name;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_start_frame
//       Access: Public
//  Description: Specifies the starting frame of the animation to
//               convert, in the units specified by
//               set_input_frame_rate().  If this is unspecified, the
//               starting frame is taken from the source, for instance
//               from the first frame of the animation slider.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_start_frame(double start_frame) {
  _start_frame = start_frame;
  _control_flags |= CF_start_frame;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::has_start_frame
//       Access: Public
//  Description: Returns true if the starting frame has been
//               explicitly specified via set_start_frame(), or false
//               if the starting frame should be implicit based on the
//               source.
////////////////////////////////////////////////////////////////////
INLINE bool SomethingToEggConverter::
has_start_frame() const {
  return (_control_flags & CF_start_frame) != 0;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_start_frame
//       Access: Public
//  Description: Returns the value set by a previous call to
//               set_start_frame().  It is an error to call this if
//               has_start_frame() returns false.
////////////////////////////////////////////////////////////////////
INLINE double SomethingToEggConverter::
get_start_frame() const {
  nassertr(has_start_frame(), 0.0);
  return _start_frame;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::clear_start_frame
//       Access: Public
//  Description: Removes the value previously set by
//               set_start_frame().
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
clear_start_frame() {
  _start_frame = 0.0;
  _control_flags &= ~CF_start_frame;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_end_frame
//       Access: Public
//  Description: Specifies the ending frame of the animation to
//               convert, in the units specified by
//               set_input_frame_rate().  If this is unspecified, the
//               ending frame is taken from the source, for instance
//               from the last frame of the animation slider.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_end_frame(double end_frame) {
  _end_frame = end_frame;
  _control_flags |= CF_end_frame;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::has_end_frame
//       Access: Public
//  Description: Returns true if the ending frame has been
//               explicitly specified via set_end_frame(), or false
//               if the ending frame should be implicit based on the
//               source.
////////////////////////////////////////////////////////////////////
INLINE bool SomethingToEggConverter::
has_end_frame() const {
  return (_control_flags & CF_end_frame) != 0;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_end_frame
//       Access: Public
//  Description: Returns the value set by a previous call to
//               set_end_frame().  It is an error to call this if
//               has_end_frame() returns false.
////////////////////////////////////////////////////////////////////
INLINE double SomethingToEggConverter::
get_end_frame() const {
  nassertr(has_end_frame(), 0.0);
  return _end_frame;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::clear_end_frame
//       Access: Public
//  Description: Removes the value previously set by
//               set_end_frame().
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
clear_end_frame() {
  _end_frame = 0.0;
  _control_flags &= ~CF_end_frame;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_frame_inc
//       Access: Public
//  Description: Specifies the increment between frames to extract.
//               This is the amount to increment the time slider (in
//               units of internal_frame_rate) between extracting each
//               frame.  If this is not specified, the default is
//               taken from the animation package, or 1.0 if the
//               animation package does not specified a frame
//               increment.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_frame_inc(double frame_inc) {
  _frame_inc = frame_inc;
  _control_flags |= CF_frame_inc;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::has_frame_inc
//       Access: Public
//  Description: Returns true if the frame increment has been
//               explicitly specified via set_frame_inc(), or false
//               if the ending frame should be implicit based on the
//               source.
////////////////////////////////////////////////////////////////////
INLINE bool SomethingToEggConverter::
has_frame_inc() const {
  return (_control_flags & CF_frame_inc) != 0;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_frame_inc
//       Access: Public
//  Description: Returns the value set by a previous call to
//               set_frame_inc().  It is an error to call this if
//               has_frame_inc() returns false.
////////////////////////////////////////////////////////////////////
INLINE double SomethingToEggConverter::
get_frame_inc() const {
  nassertr(has_frame_inc(), 0.0);
  return _frame_inc;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::clear_frame_inc
//       Access: Public
//  Description: Removes the value previously set by
//               set_frame_inc().
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
clear_frame_inc() {
  _frame_inc = 0.0;
  _control_flags &= ~CF_frame_inc;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_neutral_frame
//       Access: Public
//  Description: Specifies the frame of animation to represent the
//               neutral pose of the model.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_neutral_frame(double neutral_frame) {
  _neutral_frame = neutral_frame;
  _control_flags |= CF_neutral_frame;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::has_neutral_frame
//       Access: Public
//  Description: Returns true if the neutral frame has been
//               explicitly specified via set_neutral_frame(), or
//               false otherwise.
////////////////////////////////////////////////////////////////////
INLINE bool SomethingToEggConverter::
has_neutral_frame() const {
  return (_control_flags & CF_neutral_frame) != 0;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_neutral_frame
//       Access: Public
//  Description: Returns the value set by a previous call to
//               set_neutral_frame().  It is an error to call this if
//               has_neutral_frame() returns false.
////////////////////////////////////////////////////////////////////
INLINE double SomethingToEggConverter::
get_neutral_frame() const {
  nassertr(has_neutral_frame(), 0.0);
  return _neutral_frame;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::clear_neutral_frame
//       Access: Public
//  Description: Removes the value previously set by
//               set_neutral_frame().
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
clear_neutral_frame() {
  _neutral_frame = 0.0;
  _control_flags &= ~CF_neutral_frame;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_input_frame_rate
//       Access: Public
//  Description: Specifies the number of frames per second that is
//               represented by the "frame" unit in the animation
//               package.  If this is omitted, it is taken from
//               whatever the file header indicates.  Some animation
//               packages do not encode a frame rate, in which case
//               the default if this is omitted is the same as the
//               output frame rate.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_input_frame_rate(double input_frame_rate) {
  _input_frame_rate = input_frame_rate;
  _control_flags |= CF_input_frame_rate;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::has_input_frame_rate
//       Access: Public
//  Description: Returns true if the frame rate has been
//               explicitly specified via set_input_frame_rate(), or
//               false otherwise.
////////////////////////////////////////////////////////////////////
INLINE bool SomethingToEggConverter::
has_input_frame_rate() const {
  return (_control_flags & CF_input_frame_rate) != 0;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_input_frame_rate
//       Access: Public
//  Description: Returns the value set by a previous call to
//               set_input_frame_rate().  It is an error to call this
//               if has_input_frame_rate() returns false.
////////////////////////////////////////////////////////////////////
INLINE double SomethingToEggConverter::
get_input_frame_rate() const {
  nassertr(has_input_frame_rate(), 0.0);
  return _input_frame_rate;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::clear_input_frame_rate
//       Access: Public
//  Description: Removes the value previously set by
//               set_input_frame_rate().
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
clear_input_frame_rate() {
  _input_frame_rate = 0.0;
  _control_flags &= ~CF_input_frame_rate;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_output_frame_rate
//       Access: Public
//  Description: Specifies the number of frames per second that the
//               resulting animation should be played at.  If this is
//               omitted, it is taken to be the same as the input
//               frame rate.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_output_frame_rate(double output_frame_rate) {
  _output_frame_rate = output_frame_rate;
  _control_flags |= CF_output_frame_rate;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::has_output_frame_rate
//       Access: Public
//  Description: Returns true if the frame rate has been
//               explicitly specified via set_output_frame_rate(), or
//               false otherwise.
////////////////////////////////////////////////////////////////////
INLINE bool SomethingToEggConverter::
has_output_frame_rate() const {
  return (_control_flags & CF_output_frame_rate) != 0;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_output_frame_rate
//       Access: Public
//  Description: Returns the value set by a previous call to
//               set_output_frame_rate().  It is an error to call this
//               if has_output_frame_rate() returns false.
////////////////////////////////////////////////////////////////////
INLINE double SomethingToEggConverter::
get_output_frame_rate() const {
  nassertr(has_output_frame_rate(), 0.0);
  return _output_frame_rate;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::clear_output_frame_rate
//       Access: Public
//  Description: Removes the value previously set by
//               set_output_frame_rate().
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
clear_output_frame_rate() {
  _output_frame_rate = 0.0;
  _control_flags &= ~CF_output_frame_rate;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_default_frame_rate
//       Access: Public, Static
//  Description: Returns the default frame rate if nothing is
//               specified for input_frame_rate or output_frame_rate,
//               and the animation package does not have an implicit
//               frame rate.
////////////////////////////////////////////////////////////////////
INLINE double SomethingToEggConverter::
get_default_frame_rate() {
  return 24.0;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::set_merge_externals
//       Access: Public
//  Description: Sets the merge_externals flag.  When this is true,
//               external references within the source file are read
//               in and merged directly; otherwise, only a reference
//               to a similarly-named egg file is inserted.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
set_merge_externals(bool merge_externals) {
  _merge_externals = merge_externals;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_merge_externals
//       Access: Public
//  Description: Returns the current state of the merge_externals
//               flag.  See set_merge_externals().
////////////////////////////////////////////////////////////////////
INLINE bool SomethingToEggConverter::
get_merge_externals() const {
  return _merge_externals;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::clear_egg_data
//       Access: Public
//  Description: Sets the EggData to NULL and makes the converter
//               invalid.
////////////////////////////////////////////////////////////////////
INLINE void SomethingToEggConverter::
clear_egg_data() {
  set_egg_data((EggData *)NULL);
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::get_egg_data
//       Access: Public
//  Description: Returns the EggData structure.
////////////////////////////////////////////////////////////////////
INLINE EggData *SomethingToEggConverter::
get_egg_data() {
  return _egg_data;
}

////////////////////////////////////////////////////////////////////
//     Function: SomethingToEggConverter::convert_model_path
//       Access: Public
//  Description: Converts the indicated model filename to a relative
//               or absolute or whatever filename, according to
//               _path_replace.
////////////////////////////////////////////////////////////////////
INLINE Filename SomethingToEggConverter::
convert_model_path(const Filename &orig_filename) {
  return _path_replace->convert_path(orig_filename);
}