Initial revision.
This commit is contained in:
curt
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2 changed files with 436 additions and 0 deletions
359
src/Airports/GenAirports/output.cxx
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359
src/Airports/GenAirports/output.cxx
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// output.cxx -- routines to output a polygon model of an airport
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//
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// Written by Curtis Olson, started September 1999.
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//
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// Copyright (C) 1999 - 2000 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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//
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#ifndef _TG_OUTPUT_H
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#define _TG_OUTPUT_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <simgear/compiler.h>
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#include <stdio.h>
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#include <time.h>
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#include <list>
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#include STL_STRING
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#include <simgear/bucket/newbucket.hxx>
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#include <Polygon/polygon.hxx>
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#include "scenery_version.hxx"
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#include "output.hxx"
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void write_polygon( const FGPolygon& poly, const string& base ) {
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for ( int i = 0; i < poly.contours(); ++i ) {
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char name[256];
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sprintf(name, "%s%d", base.c_str(), i );
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FILE *fp = fopen( name, "w" );
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for ( int j = 0; j < poly.contour_size( i ); ++j ) {
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Point3D p0 = poly.get_pt(i, j);
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fprintf(fp, "%.8f %.8f\n", p0.x(), p0.y());
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}
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Point3D p0 = poly.get_pt(i, 0);
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fprintf(fp, "%.8f %.8f\n", p0.x(), p0.y());
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fclose(fp);
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}
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}
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// calculate the center of a list of points, by taking the halfway
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// point between the min and max points.
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static Point3D calc_center( point_list& wgs84_nodes ) {
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Point3D p, min, max;
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if ( wgs84_nodes.size() ) {
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min = max = wgs84_nodes[0];
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} else {
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min = max = Point3D( 0 );
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}
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for ( int i = 0; i < (int)wgs84_nodes.size(); ++i ) {
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p = wgs84_nodes[i];
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if ( p.x() < min.x() ) { min.setx( p.x() ); }
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if ( p.y() < min.y() ) { min.sety( p.y() ); }
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if ( p.z() < min.z() ) { min.setz( p.z() ); }
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if ( p.x() > max.x() ) { max.setx( p.x() ); }
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if ( p.y() > max.y() ) { max.sety( p.y() ); }
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if ( p.z() > max.z() ) { max.setz( p.z() ); }
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}
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return ( min + max ) / 2.0;
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}
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// calculate the global bounding sphere. Center is the center of the
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// tile and zero elevation
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double calc_bounding_radius( Point3D center, point_list& wgs84_nodes ) {
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double dist_squared;
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double radius_squared = 0;
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for ( int i = 0; i < (int)wgs84_nodes.size(); ++i ) {
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dist_squared = center.distance3Dsquared( wgs84_nodes[i] );
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if ( dist_squared > radius_squared ) {
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radius_squared = dist_squared;
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}
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}
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return sqrt(radius_squared);
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}
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// write out the structures to a file. We assume that the groups come
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// to us sorted by material property. If not, things don't break, but
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// the result won't be as optimal.
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void write_obj( const string& base, const FGBucket& b, const string& name,
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Point3D gbs_center, double gbs_radius,
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const point_list& wgs84_nodes, const point_list& normals,
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const point_list& texcoords,
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const group_list& tris_v, const group_list& tris_tc,
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const string_list& tri_materials,
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const group_list& strips_v, const group_list& strips_tc,
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const string_list& strip_materials,
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const group_list& fans_v, const group_list& fans_tc,
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const string_list& fan_materials )
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{
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Point3D p;
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string dir = base + "/" + b.gen_base_path();
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string command = "mkdir -p " + dir;
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system(command.c_str());
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// string file = dir + "/" + b.gen_index_str();
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string file = dir + "/" + name;
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cout << "Output file = " << file << endl;
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FILE *fp;
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if ( (fp = fopen( file.c_str(), "w" )) == NULL ) {
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cout << "ERROR: opening " << file << " for writing!" << endl;
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exit(-1);
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}
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cout << "triangles size = " << tris_v.size() << " tri_materials = "
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<< tri_materials.size() << endl;
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cout << "strips size = " << strips_v.size() << " strip_materials = "
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<< strip_materials.size() << endl;
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cout << "fans size = " << fans_v.size() << " fan_materials = "
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<< fan_materials.size() << endl;
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cout << "points = " << wgs84_nodes.size() << endl;
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cout << "tex coords = " << texcoords.size() << endl;
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// write headers
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fprintf(fp, "# FGFS Scenery\n");
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fprintf(fp, "# Version %s\n", FG_SCENERY_FILE_FORMAT);
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time_t calendar_time = time(NULL);
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struct tm *local_tm;
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local_tm = localtime( &calendar_time );
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char time_str[256];
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strftime( time_str, 256, "%a %b %d %H:%M:%S %Z %Y", local_tm);
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fprintf(fp, "# Created %s\n", time_str );
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fprintf(fp, "\n");
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// write global bounding sphere
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fprintf(fp, "# gbs %.5f %.5f %.5f %.2f\n",
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gbs_center.x(), gbs_center.y(), gbs_center.z(), gbs_radius);
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fprintf(fp, "\n");
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// dump vertex list
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fprintf(fp, "# vertex list\n");
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for ( int i = 0; i < (int)wgs84_nodes.size(); ++i ) {
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p = wgs84_nodes[i] - gbs_center;
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fprintf(fp, "v %.5f %.5f %.5f\n", p.x(), p.y(), p.z() );
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}
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fprintf(fp, "\n");
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fprintf(fp, "# vertex normal list\n");
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for ( int i = 0; i < (int)normals.size(); ++i ) {
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p = normals[i];
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fprintf(fp, "vn %.5f %.5f %.5f\n", p.x(), p.y(), p.z() );
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}
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fprintf(fp, "\n");
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// dump texture coordinates
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fprintf(fp, "# texture coordinate list\n");
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for ( int i = 0; i < (int)texcoords.size(); ++i ) {
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p = texcoords[i];
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fprintf(fp, "vt %.5f %.5f\n", p.x(), p.y() );
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}
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fprintf(fp, "\n");
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// dump individual triangles if they exist
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if ( tris_v.size() > 0 ) {
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fprintf(fp, "# triangle groups\n");
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int start = 0;
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int end = 1;
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string material;
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while ( start < (int)tri_materials.size() ) {
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// find next group
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material = tri_materials[start];
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while ( (end < (int)tri_materials.size()) &&
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(material == tri_materials[end]) )
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{
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// cout << "end = " << end << endl;
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end++;
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}
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// cout << "group = " << start << " to " << end - 1 << endl;
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// make a list of points for the group
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point_list group_nodes;
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group_nodes.clear();
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Point3D bs_center;
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double bs_radius = 0;
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for ( int i = start; i < end; ++i ) {
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for ( int j = 0; j < (int)tris_v[i].size(); ++j ) {
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group_nodes.push_back( wgs84_nodes[ tris_v[i][j] ] );
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bs_center = calc_center( group_nodes );
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bs_radius = calc_bounding_radius( bs_center, group_nodes );
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}
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}
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// write group headers
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fprintf(fp, "\n");
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fprintf(fp, "# usemtl %s\n", material.c_str());
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fprintf(fp, "# bs %.4f %.4f %.4f %.2f\n",
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bs_center.x(), bs_center.y(), bs_center.z(), bs_radius);
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// write groups
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for ( int i = start; i < end; ++i ) {
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fprintf(fp, "f");
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for ( int j = 0; j < (int)tris_v[i].size(); ++j ) {
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fprintf(fp, " %d/%d", tris_v[i][j], tris_tc[i][j] );
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}
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fprintf(fp, "\n");
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}
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start = end;
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end = start + 1;
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}
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}
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// dump triangle groups
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if ( strips_v.size() > 0 ) {
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fprintf(fp, "# triangle groups\n");
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int start = 0;
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int end = 1;
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string material;
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while ( start < (int)strip_materials.size() ) {
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// find next group
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material = strip_materials[start];
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while ( (end < (int)strip_materials.size()) &&
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(material == strip_materials[end]) )
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{
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// cout << "end = " << end << endl;
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end++;
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}
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// cout << "group = " << start << " to " << end - 1 << endl;
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// make a list of points for the group
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point_list group_nodes;
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group_nodes.clear();
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Point3D bs_center;
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double bs_radius = 0;
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for ( int i = start; i < end; ++i ) {
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for ( int j = 0; j < (int)strips_v[i].size(); ++j ) {
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group_nodes.push_back( wgs84_nodes[ strips_v[i][j] ] );
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bs_center = calc_center( group_nodes );
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bs_radius = calc_bounding_radius( bs_center, group_nodes );
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}
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}
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// write group headers
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fprintf(fp, "\n");
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fprintf(fp, "# usemtl %s\n", material.c_str());
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fprintf(fp, "# bs %.4f %.4f %.4f %.2f\n",
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bs_center.x(), bs_center.y(), bs_center.z(), bs_radius);
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// write groups
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for ( int i = start; i < end; ++i ) {
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fprintf(fp, "ts");
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for ( int j = 0; j < (int)strips_v[i].size(); ++j ) {
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fprintf(fp, " %d/%d", strips_v[i][j], strips_tc[i][j] );
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}
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fprintf(fp, "\n");
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}
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start = end;
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end = start + 1;
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}
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}
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// close the file
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fclose(fp);
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command = "gzip --force --best " + file;
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system(command.c_str());
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}
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// update index
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void write_index(const string& base, const FGBucket& b, const string& name) {
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string dir = base + "/" + b.gen_base_path();
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string command = "mkdir -p " + dir;
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system(command.c_str());
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string file = dir + "/" + b.gen_index_str() + ".ind";
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// string file = dir + "/" + name;
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cout << "Output file = " << file << endl;
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FILE *fp;
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if ( (fp = fopen( file.c_str(), "a" )) == NULL ) {
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cout << "ERROR: opening " << file << " for writing!" << endl;
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exit(-1);
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}
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fprintf( fp, "OBJECT %s\n", name.c_str() );
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fclose( fp );
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}
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void write_boundary( const string& base, const FGBucket& b,
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const FGPolygon& bounds, long int p_index )
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{
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Point3D p;
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string dir = base + "/" + b.gen_base_path();
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string command = "mkdir -p " + dir;
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system(command.c_str());
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string file = dir + "/" + b.gen_index_str();
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char poly_index[256];
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sprintf( poly_index, "%ld", p_index );
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file += ".";
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file += poly_index;
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cout << "Output file = " << file << endl;
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FILE *fp;
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if ( (fp = fopen( file.c_str(), "w" )) == NULL ) {
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cout << "ERROR: opening " << file << " for writing!" << endl;
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exit(-1);
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}
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fprintf( fp, "Hole\n" );
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fprintf( fp, "%d\n", bounds.contours() );
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for ( int i = 0; i < bounds.contours(); ++i ) {
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fprintf( fp, "%d\n", bounds.contour_size(i) );
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fprintf( fp, "%d\n", bounds.get_hole_flag(i) );
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for ( int j = 0; j < bounds.contour_size(i); ++j ) {
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p = bounds.get_pt( i, j );
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fprintf( fp, "%.15f %.15f\n", p.x(), p.y() );
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}
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}
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fclose( fp );
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}
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#endif // _TG_OUTPUT_H
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77
src/Airports/GenAirports/output.hxx
Normal file
77
src/Airports/GenAirports/output.hxx
Normal file
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@ -0,0 +1,77 @@
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// output.hxx -- routines to output a polygon model of an airport
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//
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// Written by Curtis Olson, started September 1999.
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//
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// Copyright (C) 1999 - 2000 Curtis L. Olson - curt@flightgear.org
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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||||||
|
// (at your option) any later version.
|
||||||
|
//
|
||||||
|
// This program 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 this program; if not, write to the Free Software
|
||||||
|
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||||
|
//
|
||||||
|
// $Id$
|
||||||
|
//
|
||||||
|
|
||||||
|
|
||||||
|
#ifndef _TG_OUTPUT_HXX
|
||||||
|
#define _TG_OUTPUT_HXX
|
||||||
|
|
||||||
|
#ifdef HAVE_CONFIG_H
|
||||||
|
#include <config.h>
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#include <simgear/compiler.h>
|
||||||
|
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <time.h>
|
||||||
|
|
||||||
|
#include <list>
|
||||||
|
#include STL_STRING
|
||||||
|
|
||||||
|
#include <simgear/math/fg_types.hxx>
|
||||||
|
|
||||||
|
#include <Polygon/polygon.hxx>
|
||||||
|
|
||||||
|
|
||||||
|
typedef vector < int_list > group_list;
|
||||||
|
typedef group_list::iterator group_list_iterator;
|
||||||
|
typedef group_list::const_iterator const_group_list_iterator;
|
||||||
|
|
||||||
|
|
||||||
|
void write_polygon( const FGPolygon& poly, const string& base );
|
||||||
|
|
||||||
|
// calculate the global bounding sphere. Center is the center of the
|
||||||
|
// tile and zero elevation
|
||||||
|
double calc_bounding_radius( Point3D center, point_list& wgs84_nodes );
|
||||||
|
|
||||||
|
// write out the structures to a file. We assume that the groups come
|
||||||
|
// to us sorted by material property. If not, things don't break, but
|
||||||
|
// the result won't be as optimal.
|
||||||
|
void write_obj( const string& base, const FGBucket& b, const string& name,
|
||||||
|
Point3D gbs_center, double gbs_radius,
|
||||||
|
const point_list& wgs84_nodes, const point_list& normals,
|
||||||
|
const point_list& texcoords,
|
||||||
|
const group_list& tris_v, const group_list& tris_tc,
|
||||||
|
const string_list& tri_materials,
|
||||||
|
const group_list& strips_v, const group_list& strips_tc,
|
||||||
|
const string_list& strip_materials,
|
||||||
|
const group_list& fans_v, const group_list& fans_tc,
|
||||||
|
const string_list& fan_materials );
|
||||||
|
|
||||||
|
|
||||||
|
// update index
|
||||||
|
void write_index(const string& base, const FGBucket& b, const string& name);
|
||||||
|
|
||||||
|
void write_boundary( const string& base, const FGBucket& b,
|
||||||
|
const FGPolygon& bounds, long int p_index );
|
||||||
|
|
||||||
|
#endif // _TG_OUTPUT_HXX
|
||||||
Loading…
Reference in a new issue