public synchronized String getCurrentName() {
NextDirectionInfo n = getNextRouteDirectionInfo(new NextDirectionInfo(), false);
Location l = lastFixedLocation;
float speed = 0;
if (l != null && l.hasSpeed()) {
speed = l.getSpeed();
}
if (n.distanceTo > 0
&& n.directionInfo != null
&& !n.directionInfo.getTurnType().isSkipToSpeak()
&& voiceRouter.isDistanceLess(speed, n.distanceTo, voiceRouter.PREPARE_DISTANCE * 0.75f)) {
String nm = n.directionInfo.getStreetName();
String rf = n.directionInfo.getRef();
String dn = n.directionInfo.getDestinationName();
return "\u2566 " + formatStreetName(nm, rf, dn);
}
RouteSegmentResult rs = getCurrentSegmentResult();
if (rs != null) {
String nm = rs.getObject().getName();
String rf = rs.getObject().getRef();
String dn = rs.getObject().getDestinationName();
return "\u21E7 " + formatStreetName(nm, rf, dn);
}
return null;
}
public void announceCurrentDirection(Location currentLocation) {
NextDirectionInfo nextInfo = router.getNextRouteDirectionInfo(new NextDirectionInfo(), true);
if (nextInfo == null) {
playGoAheadToDestination();
return;
}
NextDirectionInfo nextNextInfo =
router.getNextRouteDirectionInfoAfter(nextInfo, new NextDirectionInfo(), false);
float speed = DEFAULT_SPEED;
RouteDirectionInfo next = nextInfo.directionInfo;
int dist = nextInfo.distanceTo;
if (currentLocation != null && currentLocation.hasSpeed()) {
speed = Math.max(currentLocation.getSpeed(), speed);
}
switch (currentStatus) {
case STATUS_UTWP_TOLD:
playMakeUTwp();
break;
case STATUS_UNKNOWN:
if (nextRouteDirection != null && ((next == null) || (next.distance == 0))) {
playGoAheadToDestination();
} else {
playGoAhead(dist);
}
break;
case STATUS_TOLD:
if (nextRouteDirection != null) {
playGoAheadToDestination();
}
break;
case STATUS_TURN:
if (next.distance < TURN_IN_DISTANCE_END && nextNextInfo != null) {
playMakeTurn(next, nextNextInfo.directionInfo);
} else {
playMakeTurn(next, null);
}
break;
case STATUS_TURN_IN:
if ((isDistanceLess(speed, next.distance, TURN_DISTANCE)
|| next.distance < TURN_IN_DISTANCE_END)
&& nextNextInfo != null) {
playMakeTurnIn(next, dist, nextNextInfo.directionInfo);
} else {
playMakeTurnIn(next, dist, null);
}
break;
case STATUS_PREPARE:
playPrepareTurn(next, dist);
break;
case STATUS_LONG_PREPARE:
playPrepareTurn(next, dist);
break;
default:
break;
}
}
public int calculateImminent(float dist, Location loc) {
float speed = DEFAULT_SPEED;
if (loc != null && loc.hasSpeed()) {
speed = loc.getSpeed();
}
if (isDistanceLess(speed, dist, TURN_IN_DISTANCE_END)) {
return 0;
} else if (dist <= PREPARE_DISTANCE) {
return 1;
} else if (dist <= PREPARE_LONG_DISTANCE) {
return 2;
} else {
return -1;
}
}
private static AlarmInfo createSpeedAlarm(
MetricsConstants mc, float mxspeed, Location loc, float delta) {
AlarmInfo speedAlarm = null;
if (mxspeed != 0
&& loc != null
&& loc.hasSpeed()
&& mxspeed != RouteDataObject.NONE_MAX_SPEED) {
if (loc.getSpeed() > mxspeed + delta) {
int speed;
if (mc == MetricsConstants.KILOMETERS_AND_METERS) {
speed = Math.round(mxspeed * 3.6f);
} else {
speed = Math.round(mxspeed * 3.6f / 1.6f);
}
speedAlarm = AlarmInfo.createSpeedLimit(speed, loc);
}
}
return speedAlarm;
}
public AlarmInfo getMostImportantAlarm(MetricsConstants mc, boolean showCameras) {
Location lastProjection = app.getRoutingHelper().getLastProjection();
float mxspeed = route.getCurrentMaxSpeed();
float delta = app.getSettings().SPEED_LIMIT_EXCEED.get() / 3.6f;
AlarmInfo speedAlarm = createSpeedAlarm(mc, mxspeed, lastProjection, delta);
if (speedAlarm != null) {
getVoiceRouter().announceSpeedAlarm();
}
AlarmInfo mostImportant = speedAlarm;
int value =
speedAlarm != null ? speedAlarm.updateDistanceAndGetPriority(0, 0) : Integer.MAX_VALUE;
if (ALARMS < pointsProgress.size()) {
int kIterator = pointsProgress.get(ALARMS);
List<LocationPointWrapper> lp = locationPoints.get(ALARMS);
while (kIterator < lp.size()) {
LocationPointWrapper lwp = lp.get(kIterator);
if (lp.get(kIterator).routeIndex < route.getCurrentRoute()) {
// skip
} else {
int d = route.getDistanceToPoint(lwp.routeIndex);
if (d > LONG_ANNOUNCE_RADIUS) {
break;
}
AlarmInfo inf = (AlarmInfo) lwp.point;
float speed =
lastProjection != null && lastProjection.hasSpeed() ? lastProjection.getSpeed() : 0;
float time = speed > 0 ? d / speed : Integer.MAX_VALUE;
int vl = inf.updateDistanceAndGetPriority(time, d);
if (vl < value && (showCameras || inf.getType() != AlarmInfoType.SPEED_CAMERA)) {
mostImportant = inf;
value = vl;
}
}
kIterator++;
}
}
return mostImportant;
}
/**
* Updates status of voice guidance
*
* @param currentLocation
*/
protected void updateStatus(Location currentLocation) {
// Directly after turn: goAhead (dist), unless:
// < PREPARE_LONG_DISTANCE (3000m): playPrepareTurn
// < PREPARE_DISTANCE (1500m): playPrepareTurn
// < TURN_IN_DISTANCE (300m or 25sec): playMakeTurnIn
// < TURN_DISTANCE (60m or 5sec): playMakeTurn
float speed = DEFAULT_SPEED;
if (currentLocation != null && currentLocation.hasSpeed()) {
speed = Math.max(currentLocation.getSpeed(), speed);
}
NextDirectionInfo nextInfo = router.getNextRouteDirectionInfo(new NextDirectionInfo(), true);
// after last turn say:
if (nextInfo == null
|| nextInfo.directionInfo == null
|| nextInfo.directionInfo.distance == 0) {
// if(currentStatus <= STATUS_UNKNOWN && currentDirection > 0){ This caused this prompt to be
// suppressed when coming back from a
if (currentStatus <= STATUS_UNKNOWN) {
if (playGoAheadToDestination()) {
currentStatus = STATUS_TOLD;
playGoAheadDist = 0;
}
}
return;
}
if (nextInfo.intermediatePoint) {
if (currentStatus <= STATUS_UNKNOWN) {
if (playGoAheadToIntermediate()) {
currentStatus = STATUS_TOLD;
playGoAheadDist = 0;
}
}
return;
}
int dist = nextInfo.distanceTo;
RouteDirectionInfo next = nextInfo.directionInfo;
// if routing is changed update status to unknown
if (next != nextRouteDirection) {
nextRouteDirection = next;
currentStatus = STATUS_UNKNOWN;
playGoAheadDist = 0;
}
if (dist == 0 || currentStatus == STATUS_TOLD) {
// nothing said possibly that's wrong case we should say before that
// however it should be checked manually ?
return;
}
// say how much to go if there is next turn is a bit far
if (currentStatus == STATUS_UNKNOWN) {
if (!isDistanceLess(speed, dist, TURN_IN_DISTANCE * 1.3)) {
playGoAheadDist = dist - 80;
}
// say long distance message only for long distances > 10 km
// if (dist >= PREPARE_LONG_DISTANCE && !isDistanceLess(speed, dist, PREPARE_LONG_DISTANCE)) {
if (dist > PREPARE_LONG_DISTANCE + 300) {
nextStatusAfter(STATUS_UNKNOWN);
} else if (dist > PREPARE_DISTANCE + 300) {
// say prepare message if it is far enough and don't say preare long distance
nextStatusAfter(STATUS_LONG_PREPARE);
} else {
// don't say even prepare message
nextStatusAfter(STATUS_PREPARE);
}
}
NextDirectionInfo nextNextInfo =
router.getNextRouteDirectionInfoAfter(nextInfo, new NextDirectionInfo(), true);
if (statusNotPassed(STATUS_TURN)
&& isDistanceLess(speed, dist, TURN_DISTANCE, TURN_DEFAULT_SPEED)) {
if (next.distance < TURN_IN_DISTANCE_END && nextNextInfo != null) {
playMakeTurn(next, nextNextInfo.directionInfo);
} else {
playMakeTurn(next, null);
}
nextStatusAfter(STATUS_TURN);
} else if (statusNotPassed(STATUS_TURN_IN) && isDistanceLess(speed, dist, TURN_IN_DISTANCE)) {
if (dist >= TURN_IN_DISTANCE_END) {
if ((isDistanceLess(speed, next.distance, TURN_DISTANCE)
|| next.distance < TURN_IN_DISTANCE_END)
&& nextNextInfo != null) {
playMakeTurnIn(next, dist, nextNextInfo.directionInfo);
} else {
playMakeTurnIn(next, dist, null);
}
}
nextStatusAfter(STATUS_TURN_IN);
// } else if (statusNotPassed(STATUS_PREPARE) && isDistanceLess(speed, dist,
// PREPARE_DISTANCE)) {
} else if (statusNotPassed(STATUS_PREPARE) && (dist <= PREPARE_DISTANCE)) {
if (dist >= PREPARE_DISTANCE_END) {
if (next.getTurnType().keepLeft() || next.getTurnType().keepRight()) {
// do not play prepare for keep left/right
} else {
playPrepareTurn(next, dist);
}
}
nextStatusAfter(STATUS_PREPARE);
// } else if (statusNotPassed(STATUS_LONG_PREPARE) && isDistanceLess(speed, dist,
// PREPARE_LONG_DISTANCE)){
} else if (statusNotPassed(STATUS_LONG_PREPARE) && (dist <= PREPARE_LONG_DISTANCE)) {
if (dist >= PREPARE_LONG_DISTANCE_END) {
playPrepareTurn(next, dist);
}
nextStatusAfter(STATUS_LONG_PREPARE);
} else if (statusNotPassed(STATUS_UNKNOWN)) {
// strange how we get here but
nextStatusAfter(STATUS_UNKNOWN);
} else if (statusNotPassed(STATUS_TURN_IN) && dist < playGoAheadDist) {
playGoAheadDist = 0;
playGoAhead(dist);
}
}
