155 lines
4.6 KiB
C++
155 lines
4.6 KiB
C++
// apt_signs.cxx -- build airport signs on the fly
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//
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// Written by Curtis Olson, started July 2001.
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//
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// Copyright (C) 2001 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
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (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, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// 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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#include <simgear/math/sg_types.hxx>
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#include "apt_signs.hxx"
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#include "obj.hxx"
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ssgBranch *gen_taxi_sign( const string path, const string content ) {
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// for demo purposes we assume each element (letter) is 1x1 meter.
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// Sign is placed 0.25 meters above the ground
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ssgBranch *object = new ssgBranch();
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object->setName( (char *)content.c_str() );
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double offset = content.length() / 2.0;
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for ( unsigned int i = 0; i < content.length(); ++i ) {
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string material;
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char item = content[i];
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if ( item == '<' ) {
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material = "ArrowL.rgb";
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} else if ( item == '>' ) {
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material = "ArrowR.rgb";
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} else if ( item >= 'A' && item <= 'Z' ) {
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material = "Letter";
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material += item;
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material += ".rgb";
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} else if ( item >= 'a' && item <= 'z' ) {
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int tmp = item - 'a';
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char c = 'A' + tmp;
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material = "Black";
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material += c;
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material += ".rgb";
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} else {
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cout << "Unknown taxi sign code = '" << item << "' !!!!" << endl;
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return NULL;
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}
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point_list nodes; nodes.clear();
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point_list normals; normals.clear();
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point_list texcoords; texcoords.clear();
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int_list vertex_index; vertex_index.clear();
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int_list tex_index; tex_index.clear();
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nodes.push_back( Point3D( -offset + i, 0, 0.25 ) );
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nodes.push_back( Point3D( -offset + i + 1, 0, 0.25 ) );
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nodes.push_back( Point3D( -offset + i, 0, 1.25 ) );
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nodes.push_back( Point3D( -offset + i + 1, 0, 1.25 ) );
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normals.push_back( Point3D( 0, -1, 0 ) );
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normals.push_back( Point3D( 0, -1, 0 ) );
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normals.push_back( Point3D( 0, -1, 0 ) );
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normals.push_back( Point3D( 0, -1, 0 ) );
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texcoords.push_back( Point3D( 0, 0, 0 ) );
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texcoords.push_back( Point3D( 1, 0, 0 ) );
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texcoords.push_back( Point3D( 0, 1, 0 ) );
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texcoords.push_back( Point3D( 1, 1, 0 ) );
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vertex_index.push_back( 0 );
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vertex_index.push_back( 1 );
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vertex_index.push_back( 2 );
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vertex_index.push_back( 3 );
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tex_index.push_back( 0 );
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tex_index.push_back( 1 );
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tex_index.push_back( 2 );
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tex_index.push_back( 3 );
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ssgLeaf *leaf = gen_leaf( path, GL_TRIANGLE_STRIP, material,
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nodes, normals, texcoords,
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vertex_index, tex_index,
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false, NULL );
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object->addKid( leaf );
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}
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return object;
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}
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ssgBranch *gen_runway_sign( const string path, const string name ) {
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// for demo purposes we assume each element (letter) is 1x1 meter.
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// Sign is placed 0.25 meters above the ground
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ssgBranch *object = new ssgBranch();
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object->setName( (char *)name.c_str() );
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double width = name.length() / 3.0;
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string material = name + ".rgb";
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point_list nodes; nodes.clear();
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point_list normals; normals.clear();
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point_list texcoords; texcoords.clear();
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int_list vertex_index; vertex_index.clear();
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int_list tex_index; tex_index.clear();
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nodes.push_back( Point3D( -width, 0, 0.25 ) );
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nodes.push_back( Point3D( width + 1, 0, 0.25 ) );
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nodes.push_back( Point3D( -width, 0, 1.25 ) );
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nodes.push_back( Point3D( width + 1, 0, 1.25 ) );
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normals.push_back( Point3D( 0, -1, 0 ) );
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normals.push_back( Point3D( 0, -1, 0 ) );
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normals.push_back( Point3D( 0, -1, 0 ) );
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normals.push_back( Point3D( 0, -1, 0 ) );
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texcoords.push_back( Point3D( 0, 0, 0 ) );
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texcoords.push_back( Point3D( 1, 0, 0 ) );
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texcoords.push_back( Point3D( 0, 1, 0 ) );
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texcoords.push_back( Point3D( 1, 1, 0 ) );
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vertex_index.push_back( 0 );
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vertex_index.push_back( 1 );
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vertex_index.push_back( 2 );
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vertex_index.push_back( 3 );
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tex_index.push_back( 0 );
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tex_index.push_back( 1 );
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tex_index.push_back( 2 );
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tex_index.push_back( 3 );
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ssgLeaf *leaf = gen_leaf( path, GL_TRIANGLE_STRIP, material,
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nodes, normals, texcoords,
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vertex_index, tex_index,
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false, NULL );
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object->addKid( leaf );
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return object;
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}
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