const GPSWaypoint* cwp;
iap = new FGNPIAP;
- iap->_id = "KHAF";
- iap->_name = "RNAV (GPS) Y RWY 12";
- iap->_abbrev = "R12-Y";
+ iap->_aptIdent = "KHAF";
+ iap->_ident = "R12-Y";
+ iap->_name = ExpandSIAPIdent(iap->_ident);
iap->_rwyStr = "12";
iap->_approachRoutes.clear();
iap->_IAP.clear();
- iap->_MAP.clear();
// -------
wp = new GPSWaypoint;
wp->id = "GOBBS";
wp->appType = GPS_MAP;
if(wp->id.substr(0, 2) == "RW" && wp->appType == GPS_MAP) {
// Assume that this is a missed-approach point based on the runway number, which appears to be standard for most approaches.
- const FGAirport* apt = fgFindAirportID(iap->_id);
+ const FGAirport* apt = fgFindAirportID(iap->_aptIdent);
if(apt) {
// TODO - sanity check the waypoint ID to ensure we have a double digit number
FGRunway* rwy = apt->getRunwayByIdent(wp->id.substr(2, 2));
if(cwp) {
*wp = *cwp;
wp->appType = GPS_MAHP;
- iap->_MAP.push_back(wp);
+ iap->_IAP.push_back(wp);
} else {
//cout << "Unable to find waypoint " << wp->id << '\n';
}
// -------
- _np_iap[iap->_id].push_back(iap);
+ _np_iap[iap->_aptIdent].push_back(iap);
}
void DCLGPS::bind() {
}
}
+/*
+ Expand a SIAP ident to the full procedure name (as shown on the approach chart).
+ NOTE: Some of this is inferred from data, some is from documentation.
+
+ Example expansions from ARINC 424-18 [and the airport they're taken from]:
+ "R10LY" <--> "RNAV (GPS) Y RWY 10 L" [KBOI]
+ "R10-Z" <--> "RNAV (GPS) Z RWY 10" [KHTO]
+ "S25" <--> "VOR or GPS RWY 25" [KHHR]
+ "P20" <--> "GPS RWY 20" [KDAN]
+ "NDB-B" <--> "NDB or GPS-B" [KDAW]
+ "NDBC" <--> "NDB or GPS-C" [KEMT]
+ "VDMA" <--> "VOR/DME or GPS-A" [KDAW]
+ "VDM-A" <--> "VOR/DME or GPS-A" [KEAG]
+ "VDMB" <--> "VOR/DME or GPS-B" [KDKX]
+ "VORA" <--> "VOR or GPS-A" [KEMT]
+
+ It seems that there are 2 basic types of expansions; those that include
+ the runway and those that don't. Of those that don't, it seems that 2
+ different positions within the string to encode the identifying letter
+ are used, i.e. with a dash and without.
+*/
+string DCLGPS::ExpandSIAPIdent(const string& ident) {
+ string name;
+ bool has_rwy;
+
+ switch(ident[0]) {
+ case 'N': name = "NDB or GPS"; has_rwy = false; break;
+ case 'P': name = "GPS"; has_rwy = true; break;
+ case 'R': name = "RNAV (GPS)"; has_rwy = true; break;
+ case 'S': name = "VOR or GPS"; has_rwy = true; break;
+ case 'V':
+ if(ident[1] == 'D') name = "VOR/DME or GPS";
+ else name = "VOR or GPS";
+ has_rwy = false;
+ break;
+ default: // TODO output a log message
+ break;
+ }
+
+ if(has_rwy) {
+ // Add the identifying letter if present
+ if(ident.size() == 5) {
+ name += ' ';
+ name += ident[4];
+ }
+
+ // Add the runway
+ name += " RWY ";
+ name += ident.substr(1, 2);
+
+ // Add a left/right/centre indication if present.
+ if(ident.size() > 3) {
+ if((ident[3] != '-') && (ident[3] != ' ')) { // Early versions of the spec allowed a blank instead of a dash so check for both
+ name += ' ';
+ name += ident[3];
+ }
+ }
+ } else {
+ // Add the identifying letter, which I *think* should always be present, but seems to be inconsistent as to whether a dash is used.
+ if(ident.size() == 5) {
+ name += '-';
+ name += ident[4];
+ } else if(ident.size() == 4) {
+ name += '-';
+ name += ident[3];
+ } else {
+ // No suffix letter
+ }
+ }
+
+ return(name);
+}
+
GPSWaypoint* DCLGPS::GetActiveWaypoint() {
return &_activeWaypoint;
}
}
void DCLGPS::DtoInitiate(const string& s) {
- //cout << "DtoInitiate, s = " << s << '\n';
const GPSWaypoint* wp = FindFirstByExactId(s);
if(wp) {
- //cout << "Waypoint found, starting dto operation!\n";
+ // TODO - Currently we start DTO operation unconditionally, regardless of which mode we are in.
+ // In fact, the following rules apply:
+ // In LEG mode, start DTO as we currently do.
+ // In OBS mode, set the active waypoint to the requested waypoint, and then:
+ // If the KLN89 is not connected to an external HSI or CDI, set the OBS course to go direct to the waypoint.
+ // If the KLN89 *is* connected to an external HSI or CDI, it cannot set the course itself, and will display
+ // a scratchpad message with the course to set manually on the HSI/CDI.
+ // In both OBS cases, leave _dto false, since we don't need the virtual waypoint created.
_dto = true;
_activeWaypoint = *wp;
_fromWaypoint.lat = _gpsLat;
_fromWaypoint.lon = _gpsLon;
_fromWaypoint.type = GPS_WP_VIRT;
_fromWaypoint.id = "DTOWP";
- delete wp;
+ delete wp;
} else {
- //cout << "Waypoint not found, ignoring dto request\n";
- // Should bring up the user waypoint page, but we're not implementing that yet.
- _dto = false; // TODO - implement this some day.
+ _dto = false;
}
}
projects / flightgear.git / blobdiff