--- /dev/null
+/*
+ * Copyright © 2010 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 altosui;
+
+import java.io.*;
+import java.util.*;
+import java.text.*;
+import altosui.AltosTelemetry;
+
+public class AltosTelemetryIterable extends AltosRecordIterable {
+ LinkedList<AltosRecord> records;
+
+ public Iterator<AltosRecord> iterator () {
+ return records.iterator();
+ }
+
+ public AltosTelemetryIterable (FileInputStream input) {
+ boolean saw_boost = false;
+ int current_tick = 0;
+ int boost_tick = 0;
+
+ records = new LinkedList<AltosRecord> ();
+
+ try {
+ for (;;) {
+ String line = AltosRecord.gets(input);
+ if (line == null) {
+ break;
+ }
+ try {
+ AltosTelemetry record = new AltosTelemetry(line);
+ if (record == null)
+ break;
+ if (records.isEmpty()) {
+ current_tick = record.tick;
+ } else {
+ int tick = record.tick | (current_tick & ~ 0xffff);
+ if (tick < current_tick - 0x1000)
+ tick += 0x10000;
+ current_tick = tick;
+ record.tick = current_tick;
+ }
+ if (!saw_boost && record.state >= Altos.ao_flight_boost)
+ {
+ saw_boost = true;
+ boost_tick = record.tick;
+ }
+ records.add(record);
+ } catch (ParseException pe) {
+ System.out.printf("parse exception %s\n", pe.getMessage());
+ } catch (AltosCRCException ce) {
+ System.out.printf("crc error\n");
+ }
+ }
+ } catch (IOException io) {
+ System.out.printf("io exception\n");
+ }
+
+ /* adjust all tick counts to be relative to boost time */
+ for (AltosRecord r : this)
+ r.time = (r.tick - boost_tick) / 100.0;
+
+ try {
+ input.close();
+ } catch (IOException ie) {
+ }
+ }
+}