105 lines
2.7 KiB
C++
105 lines
2.7 KiB
C++
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file bamToEgg.cxx
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* @author drose
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* @date 2001-06-25
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*/
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#include "bamToEgg.h"
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#include "save_egg_file.h"
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#include "string_utils.h"
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#include "bamFile.h"
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#include "bamCacheRecord.h"
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/**
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*
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*/
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BamToEgg::
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BamToEgg() :
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SomethingToEgg("bam", ".bam")
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{
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set_program_brief("convert a native Panda .bam file to an .egg file");
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set_program_description
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("This program converts native Panda bam files to egg. The conversion "
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"is somewhat incomplete; running egg2bam followed by bam2egg should not "
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"be expected to yield the same egg file you started with.");
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redescribe_option
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("cs",
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"Specify the coordinate system of the input " + _format_name +
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" file. By default, this is taken from the Config.prc file, which "
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"is currently " + format_string(get_default_coordinate_system()) + ".");
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_coordinate_system = get_default_coordinate_system();
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}
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/**
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*
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*/
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void BamToEgg::
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run() {
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BamFile bam_file;
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if (!bam_file.open_read(_input_filename)) {
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nout << "Unable to read " << _input_filename << "\n";
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exit(1);
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}
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nout << _input_filename << " : Bam version "
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<< bam_file.get_file_major_ver() << "."
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<< bam_file.get_file_minor_ver() << "\n";
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typedef pvector<TypedWritable *> Objects;
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Objects objects;
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TypedWritable *object = bam_file.read_object();
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if (object != nullptr &&
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object->is_exact_type(BamCacheRecord::get_class_type())) {
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// Here's a special case: if the first object in the file is a
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// BamCacheRecord, it's really a cache data file and not a true bam file;
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// but skip over the cache data record and let the user treat it like an
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// ordinary bam file.
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object = bam_file.read_object();
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}
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while (object != nullptr || !bam_file.is_eof()) {
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if (object != nullptr) {
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ReferenceCount *ref_ptr = object->as_reference_count();
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if (ref_ptr != nullptr) {
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ref_ptr->ref();
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}
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objects.push_back(object);
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}
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object = bam_file.read_object();
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}
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bam_file.resolve();
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bam_file.close();
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_data->set_coordinate_system(_coordinate_system);
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if (objects.size() == 1 &&
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objects[0]->is_of_type(PandaNode::get_class_type())) {
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PandaNode *node = DCAST(PandaNode, objects[0]);
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save_egg_data(_data, node);
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} else {
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nout << "File does not contain a scene graph.\n";
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exit(1);
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}
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write_egg_file();
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}
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int main(int argc, char *argv[]) {
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BamToEgg prog;
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prog.parse_command_line(argc, argv);
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prog.run();
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return 0;
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}
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