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// Copyright (c) 2010 Anthony Towns
// GPL v2 or later
package altosui;
import java.lang.UnsupportedOperationException;
import java.util.NoSuchElementException;
import java.util.Iterator;
import org.altusmetrum.altoslib.*;
class AltosDataPointReader implements Iterable<AltosDataPoint> {
Iterator<AltosRecord> iter;
AltosState state;
boolean has_gps;
boolean has_accel;
boolean has_ignite;
final static int MISSING = AltosRecord.MISSING;
public AltosDataPointReader(AltosRecordIterable reader) {
this.iter = reader.iterator();
this.state = null;
has_accel = true;
has_gps = reader.has_gps();
has_ignite = reader.has_ignite();
}
private void read_next_record()
throws NoSuchElementException
{
state = new AltosState(iter.next(), state);
}
private AltosDataPoint current_dp() {
assert this.state != null;
return new AltosDataPoint() {
public int version() { return state.data.version; }
public int serial() { return state.data.serial; }
public int flight() { return state.data.flight; }
public String callsign() { return state.data.callsign; }
public double time() { return state.data.time; }
public double rssi() { return state.data.rssi; }
public int state() { return state.state; }
public String state_name() { return state.data.state(); }
public double acceleration() { return state.acceleration; }
public double height() { return state.height; }
public double speed() { return state.speed(); }
public double temperature() { return state.temperature; }
public double battery_voltage() { return state.battery; }
public double drogue_voltage() { return state.drogue_sense; }
public double main_voltage() { return state.main_sense; }
public boolean has_accel() { return true; } // return state.acceleration != AltosRecord.MISSING; }
};
}
public Iterator<AltosDataPoint> iterator() {
return new Iterator<AltosDataPoint>() {
public void remove() {
throw new UnsupportedOperationException();
}
public boolean hasNext() {
if (state != null && state.state == Altos.ao_flight_landed)
return false;
return iter.hasNext();
}
public AltosDataPoint next() {
do {
read_next_record();
} while (state.data.time < -1.0 && hasNext());
return current_dp();
}
};
}
}
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