224 lines
7.7 KiB
C++
224 lines
7.7 KiB
C++
// Filename: eggToBam.cxx
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// Created by: drose (28Jun00)
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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 "eggToBam.h"
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#include "config_util.h"
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#include "bamFile.h"
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#include "load_egg_file.h"
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#include "config_egg2pg.h"
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#include "config_gobj.h"
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#include "config_chan.h"
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////////////////////////////////////////////////////////////////////
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// Function: EggToBam::Constructor
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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EggToBam::
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EggToBam() :
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EggToSomething("Bam", ".bam", true, false)
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{
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set_program_description
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("This program reads Egg files and outputs Bam files, the binary format "
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"suitable for direct loading of animation and models into Panda.");
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// -f is always in effect for egg2bam. It doesn't make sense to
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// provide it as an option to the user.
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remove_option("f");
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add_path_replace_options();
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add_path_store_options();
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add_option
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("flatten", "flag", 0,
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"Specifies whether to flatten the egg hierarchy after it is loaded. "
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"If flag is zero, the egg hierarchy will not be flattened, but will "
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"instead be written to the bam file exactly as it is. If flag is "
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"non-zero, the hierarchy will be flattened so that unnecessary nodes "
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"(usually group nodes with only one child) are eliminated. The default "
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"if this is not specified is taken from the egg-flatten Config.prc "
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"variable.",
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&EggToBam::dispatch_int, &_has_egg_flatten, &_egg_flatten);
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add_option
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("combine-geoms", "flag", 0,
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"Specifies whether to combine sibling GeomNodes into a common GeomNode "
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"when possible. This flag is only respected if flatten, above, is also "
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"enabled (or implicitly true from the Config.prc file). The default if "
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"this is not specified is taken from the egg-combine-geoms Config.prc "
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"variable.",
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&EggToBam::dispatch_int, &_has_egg_combine_geoms, &_egg_combine_geoms);
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add_option
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("suppress-hidden", "flag", 0,
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"Specifies whether to suppress hidden geometry. If this is nonzero, "
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"egg geometry tagged as \"hidden\" will be removed from the final "
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"scene graph; otherwise, it will be preserved (but stashed). The "
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"default is nonzero, to remove it.",
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&EggToBam::dispatch_int, NULL, &_egg_suppress_hidden);
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add_option
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("ls", "", 0,
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"Writes a scene graph listing to standard output after the egg "
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"file has been loaded, showing the nodes that will be written out.",
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&EggToBam::dispatch_none, &_ls);
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add_option
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("C", "quality", 0,
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"Specify the quality level for lossy channel compression. If this "
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"is specified, the animation channels will be compressed at this "
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"quality level, which is normally an integer value between 0 and 100, "
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"inclusive, where higher numbers produce larger files with greater "
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"quality. Generally, 95 is the highest useful quality level. Use "
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"-NC (described below) to disable channel compression. If neither "
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"option is specified, the default comes from the Config.prc file.",
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&EggToBam::dispatch_int, &_has_compression_quality, &_compression_quality);
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add_option
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("NC", "", 0,
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"Turn off lossy compression of animation channels. Channels will be "
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"written exactly as they are, losslessly.",
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&EggToBam::dispatch_none, &_compression_off);
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add_option
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("rawtex", "", 0,
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"Record texture data directly in the bam file, instead of storing "
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"a reference to the texture elsewhere on disk. The textures are "
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"stored uncompressed. A particular texture that is encoded into "
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"multiple different bam files in this way cannot be unified into "
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"the same part of texture memory if the different bam files are loaded "
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"together. All that being said, this can sometimes be a convenient "
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"way to ensure the bam file is completely self-contained.",
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&EggToBam::dispatch_none, &_tex_rawdata);
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redescribe_option
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("cs",
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"Specify the coordinate system of the resulting " + _format_name +
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" file. This may be "
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"one of 'y-up', 'z-up', 'y-up-left', or 'z-up-left'. The default "
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"is z-up.");
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_force_complete = true;
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_egg_flatten = 0;
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_egg_combine_geoms = 0;
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_egg_suppress_hidden = 1;
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggToBam::run
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// Access: Public
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// Description:
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////////////////////////////////////////////////////////////////////
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void EggToBam::
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run() {
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if (_has_egg_flatten) {
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// If the user specified some -flatten, we need to set the
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// corresponding Config.prc variable.
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egg_flatten = (_egg_flatten != 0);
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}
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if (_has_egg_combine_geoms) {
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// Ditto with -combine_geoms.
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egg_combine_geoms = (_egg_combine_geoms != 0);
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}
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// We always set egg_suppress_hidden.
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egg_suppress_hidden = _egg_suppress_hidden;
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if (_compression_off) {
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// If the user specified -NC, turn off channel compression.
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compress_channels = false;
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} else if (_has_compression_quality) {
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// Otherwise, if the user specified a compression quality with -C,
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// use that quality level.
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compress_channels = true;
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compress_chan_quality = _compression_quality;
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}
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if (!_got_coordinate_system) {
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// If the user didn't specify otherwise, ensure the coordinate
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// system is Z-up.
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_data.set_coordinate_system(CS_zup_right);
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}
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PT(PandaNode) root = load_egg_data(_data);
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if (root == (PandaNode *)NULL) {
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nout << "Unable to build scene graph from egg file.\n";
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exit(1);
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}
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if (_ls) {
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root->ls(nout, 0);
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}
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// This should be guaranteed because we pass false to the
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// constructor, above.
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nassertv(has_output_filename());
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Filename filename = get_output_filename();
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filename.make_dir();
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nout << "Writing " << filename << "\n";
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BamFile bam_file;
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if (!bam_file.open_write(filename)) {
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nout << "Error in writing.\n";
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exit(1);
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}
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if (!bam_file.write_object(root)) {
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nout << "Error in writing.\n";
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exit(1);
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}
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}
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////////////////////////////////////////////////////////////////////
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// Function: EggToBam::handle_args
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// Access: Protected, Virtual
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// Description: Does something with the additional arguments on the
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// command line (after all the -options have been
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// parsed). Returns true if the arguments are good,
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// false otherwise.
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////////////////////////////////////////////////////////////////////
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bool EggToBam::
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handle_args(ProgramBase::Args &args) {
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// If the user specified a path store option, we need to set the
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// bam-texture-mode Config.prc variable directly to support this
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// (otherwise the bam code will do what it wants to do anyway).
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if (_tex_rawdata) {
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bam_texture_mode = BTM_rawdata;
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} else if (_got_path_store) {
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bam_texture_mode = BTM_unchanged;
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} else {
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// Otherwise, the default path store is absolute; then the
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// bam-texture-mode can do the appropriate thing to it.
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_path_replace->_path_store = PS_absolute;
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}
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return EggToSomething::handle_args(args);
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}
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int main(int argc, char *argv[]) {
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EggToBam 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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