altosdroid: Fix line drawing to old tracker location

Selecting an old tracker would often fail to switch the bearing line
as it was using the map data instead of just using the local data for
the relavant tracker.

Signed-off-by: Keith Packard <keithp@keithp.com>

1 files changed, 8 insertions, 3 deletions

diff --git a/altosdroid/src/org/altusmetrum/AltosDroid/AltosMapOffline.java b/altosdroid/src/org/altusmetrum/AltosDroid/AltosMapOffline.java
index 12dd2f25..339b7894 100644
--- a/altosdroid/src/org/altusmetrum/AltosDroid/AltosMapOffline.java
+++ b/altosdroid/src/org/altusmetrum/AltosDroid/AltosMapOffline.java
@@ -86,6 +86,7 @@ public class AltosMapOffline extends View implements ScaleGestureDetector.OnScal
 	AltosDroid		altos_droid;
 
 	AltosLatLon	here;
+	AltosLatLon	there;
 	AltosLatLon	pad;
 
 	Canvas	canvas;
@@ -334,7 +335,7 @@ public class AltosMapOffline extends View implements ScaleGestureDetector.OnScal
 	}
 
 	private void draw_positions() {
-		line.set_a(map.last_position);
+		line.set_a(there);
 		line.set_b(here);
 		line.paint();
 		draw_bitmap(pad, pad_bitmap, pad_off_x, pad_off_y);
@@ -465,8 +466,12 @@ public class AltosMapOffline extends View implements ScaleGestureDetector.OnScal
 					rocket = new Rocket(serial, this);
 					rockets.put(serial, rocket);
 				}
-				if (t_state.gps != null)
-					rocket.set_position(new AltosLatLon(t_state.gps.lat, t_state.gps.lon), t_state.received_time);
+				if (t_state.gps != null) {
+					AltosLatLon	latlon = new AltosLatLon(t_state.gps.lat, t_state.gps.lon);
+					rocket.set_position(latlon, t_state.received_time);
+					if (state.serial == serial)
+						there = latlon;
+				}
 				if (state != null)
 					rocket.set_active(state.serial == serial);
 			}