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/*
* Copyright © 2013 Keith Packard <keithp@keithp.com>
*
* 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; version 2 of the License.
*
* 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altoslib_3;
import java.io.*;
import java.util.*;
import java.text.*;
class AltosTelemetryIterator implements Iterator<AltosState> {
AltosState state;
Iterator<AltosTelemetry> telems;
AltosTelemetry next;
boolean seen;
public boolean hasNext() {
return !seen || telems.hasNext();
}
public AltosState next() {
if (seen) {
AltosState n = state.clone();
AltosTelemetry t = telems.next();
t.update_state(n);
state = n;
}
seen = true;
return state;
}
public void remove () {
}
public AltosTelemetryIterator(AltosState start, Iterator<AltosTelemetry> telems) {
this.state = start;
this.telems = telems;
this.seen = false;
}
}
public class AltosTelemetryFile extends AltosStateIterable {
AltosTelemetryIterable telems;
AltosState start;
public void write_comments(PrintStream out) {
}
public void write(PrintStream out) {
}
public AltosTelemetryFile(FileInputStream input) {
telems = new AltosTelemetryIterable(input);
start = new AltosState();
/* Find boost tick */
AltosState state = start.clone();
for (AltosTelemetry telem : telems) {
telem.update_state(state);
state.finish_update();
if (state.state != AltosLib.ao_flight_invalid && state.state >= AltosLib.ao_flight_boost) {
start.set_boost_tick(state.tick);
break;
}
}
}
public Iterator<AltosState> iterator() {
AltosState state = start.clone();
Iterator<AltosTelemetry> i = telems.iterator();
while (i.hasNext() && !state.valid()) {
AltosTelemetry t = i.next();
t.update_state(state);
state.finish_update();
}
return new AltosTelemetryIterator(state, i);
}
}
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