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flightgear/src/ATC/transmission.hxx
2003-03-03 10:38:13 +00:00

159 lines
4 KiB
C++

// transmission.hxx -- Transmission class
//
// Written by Alexander Kappes, started March 2002.
// Based on nav.hxx by Curtis Olson, started April 2000.
//
// Copyright (C) 2001 David C. Luff - david.luff@nottingham.ac.uk
//
// 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.
#ifndef _FG_TRANSMISSION_HXX
#define _FG_TRANSMISSION_HXX
#include <stdio.h>
#include <simgear/compiler.h>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/misc/sgstream.hxx>
#include <simgear/magvar/magvar.hxx>
#include <simgear/timing/sg_time.hxx>
#include <simgear/bucket/newbucket.hxx>
#include <Main/fg_props.hxx>
#ifdef SG_HAVE_STD_INCLUDES
# include <istream>
#include <iomanip>
#elif defined( SG_HAVE_NATIVE_SGI_COMPILERS )
# include <iostream.h>
#elif defined( __BORLANDC__ )
# include <iostream>
#else
# include <istream.h>
#include <iomanip.h>
#endif
#if ! defined( SG_HAVE_NATIVE_SGI_COMPILERS )
SG_USING_STD(istream);
#endif
SG_USING_STD(string);
struct TransCode {
int c1;
int c2;
int c3;
};
// TransPar - a representation of the logic of a parsed speech transmission
struct TransPar {
string station;
string callsign;
string airport;
string intention; // landing, crossing
string intid; // (airport) ID for intention
bool request; // is the transmission a request or an answer?
int tdir; // turning direction: 1=left, 2=right
double heading;
int VDir; // vertical direction: 1=descent, 2=maintain, 3=climb
double alt;
double miles;
string runway;
double freq;
double time;
};
// FGTransmission - a class to encapsulate a speech transmission
class FGTransmission {
int StationType; // Type of ATC station: 1 Approach
TransCode Code;
string TransText;
string MenuText;
public:
FGTransmission(void);
~FGTransmission(void);
void Init();
inline int get_station() const { return StationType; }
inline TransCode get_code() { return Code; }
inline string get_transtext() { return TransText; }
inline string get_menutext() { return MenuText; }
// Return the parsed logic of the transmission
TransPar Parse();
private:
friend istream& operator>> ( istream&, FGTransmission& );
};
inline istream&
operator >> ( istream& in, FGTransmission& a ) {
char ch;
static bool first_time = true;
static double julian_date = 0;
static const double MJD0 = 2415020.0;
if ( first_time ) {
julian_date = sgTimeCurrentMJD(0, 0) + MJD0;
first_time = false;
}
in >> a.StationType;
in >> a.Code.c1;
in >> a.Code.c2;
in >> a.Code.c3;
a.TransText = "";
in >> ch;
if ( ch != '"' ) a.TransText += ch;
while(1) {
//in >> noskipws
in.unsetf(ios::skipws);
in >> ch;
if ( ch != '"' ) a.TransText += ch;
if((ch == '"') || (ch == 0x0A)) {
break;
} // we shouldn't need the 0x0A but it makes a nice safely in case someone leaves off the "
}
in.setf(ios::skipws);
a.MenuText = "";
in >> ch;
if ( ch != '"' ) a.MenuText += ch;
while(1) {
//in >> noskipws
in.unsetf(ios::skipws);
in >> ch;
if ( ch != '"' ) a.MenuText += ch;
if((ch == '"') || (ch == 0x0A)) {
break;
} // we shouldn't need the 0x0A but it makes a nice safely in case someone leaves off the "
}
in.setf(ios::skipws);
//cout << "Code = " << a.Code << " Transmission text = " << a.TransText
// << " Menu text = " << a.MenuText << endl;
return in >> skipeol;
}
#endif // _FG_TRANSMISSION_HXX