127 lines
3.1 KiB
C++
127 lines
3.1 KiB
C++
//
|
|
// airports.cxx -- a really simplistic class to manage airport ID,
|
|
// lat, lon of the center of one of it's runways, and
|
|
// elevation in feet.
|
|
//
|
|
// Written by Curtis Olson, started April 1998.
|
|
//
|
|
// Copyright (C) 1998 Curtis L. Olson - curt@me.umn.edu
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of the GNU General Public License as
|
|
// published by the Free Software Foundation; either version 2 of the
|
|
// License, or (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.
|
|
//
|
|
// $Id$
|
|
// (Log is kept at end of this file)
|
|
|
|
|
|
#include <string.h>
|
|
|
|
#include <Debug/fg_debug.h>
|
|
#include <Include/fg_zlib.h>
|
|
#include <Main/options.hxx>
|
|
|
|
#include "airports.hxx"
|
|
|
|
|
|
// Constructor
|
|
fgAIRPORTS::fgAIRPORTS( void ) {
|
|
}
|
|
|
|
|
|
// load the data
|
|
int fgAIRPORTS::load( char *file ) {
|
|
fgOPTIONS *o;
|
|
char path[256], fgpath[256], line[256];
|
|
char id[5];
|
|
double lon, lat, elev;
|
|
fgFile f;
|
|
|
|
o = ¤t_options;
|
|
|
|
// build the path name to the ambient lookup table
|
|
path[0] = '\0';
|
|
strcat(path, o->fg_root);
|
|
strcat(path, "/Scenery/");
|
|
strcat(path, "Airports");
|
|
strcpy(fgpath, path);
|
|
strcat(fgpath, ".gz");
|
|
|
|
// first try "path.gz"
|
|
if ( (f = fgopen(fgpath, "rb")) == NULL ) {
|
|
// next try "path"
|
|
if ( (f = fgopen(path, "rb")) == NULL ) {
|
|
fgPrintf(FG_GENERAL, FG_EXIT, "Cannot open file: %s\n", path);
|
|
}
|
|
}
|
|
|
|
size = 0;
|
|
while ( fggets(f, line, 250) != NULL ) {
|
|
// printf("%s", line);
|
|
|
|
if ( size < MAX_AIRPORTS ) {
|
|
sscanf( line, "%s %lf %lf %lfl\n", id, &lon, &lat, &elev );
|
|
strcpy(airports[size].id, id);
|
|
airports[size].longitude = lon;
|
|
airports[size].latitude = lat;
|
|
airports[size].elevation = elev;
|
|
} else {
|
|
fgPrintf( FG_GENERAL, FG_EXIT,
|
|
"Overran size of airport list in fgAIRPORTS::load()\n");
|
|
}
|
|
|
|
size++;
|
|
}
|
|
|
|
fgclose(f);
|
|
|
|
return(1);
|
|
}
|
|
|
|
|
|
// search for the specified id
|
|
fgAIRPORT fgAIRPORTS::search( char *id ) {
|
|
fgAIRPORT a;
|
|
int i;
|
|
|
|
for ( i = 0; i < size; i++ ) {
|
|
if ( strcmp(airports[i].id, id) == 0 ) {
|
|
return(airports[i]);
|
|
}
|
|
}
|
|
|
|
strcpy(a.id, "none");
|
|
return(a);
|
|
}
|
|
|
|
|
|
// Destructor
|
|
fgAIRPORTS::~fgAIRPORTS( void ) {
|
|
}
|
|
|
|
|
|
// $Log$
|
|
// Revision 1.4 1998/05/13 18:26:25 curt
|
|
// Root path info moved to fgOPTIONS.
|
|
//
|
|
// Revision 1.3 1998/05/06 03:16:24 curt
|
|
// Added an averaged global frame rate counter.
|
|
// Added an option to control tile radius.
|
|
//
|
|
// Revision 1.2 1998/04/28 21:42:50 curt
|
|
// Wrapped zlib calls up so we can conditionally comment out zlib support.
|
|
//
|
|
// Revision 1.1 1998/04/25 15:11:11 curt
|
|
// Added an command line option to set starting position based on airport ID.
|
|
//
|
|
//
|