static final int px_size = 512;
+ static final int MAX_TILE_DELTA = 100;
+
private static Point2D.Double translatePoint(Point2D.Double p,
Point2D.Double d)
{
return latlng(pt, scale_x, scale_y);
}
- Vector<AltosSiteMapTile> mapTiles = new Vector<AltosSiteMapTile>();
+ HashMap<Point,AltosSiteMapTile> mapTiles = new HashMap<Point,AltosSiteMapTile>();
Point2D.Double centre;
- private Point tileOffset(AltosSiteMapTile tile) {
- GridBagConstraints c = layout.getConstraints(tile);
- return new Point(c.gridx - 100, c.gridy - 100);
- }
- private Point2D.Double tileCoordOffset(AltosSiteMapTile tile) {
- Point p = tileOffset(tile);
+ private Point2D.Double tileCoordOffset(Point p) {
return new Point2D.Double(centre.x - p.x*px_size,
centre.y - p.y * px_size);
}
}
}
- private void initMap(AltosSiteMapTile tile) {
- Point2D.Double offset = tileCoordOffset(tile);
+ private void initMap(AltosSiteMapTile tile, Point offset) {
+ Point2D.Double coord = tileCoordOffset(offset);
- LatLng map_latlng = latlng(px_size/2-offset.x, px_size/2-offset.y);
+ LatLng map_latlng = latlng(px_size/2-coord.x, px_size/2-coord.y);
File pngfile = MapFile(map_latlng.lat, map_latlng.lng);
String pngurl = MapURL(map_latlng.lat, map_latlng.lng);
private void initMaps(double lat, double lng) {
centre = getBaseLocation(lat, lng);
- for (AltosSiteMapTile tile : mapTiles) {
- initMap(tile);
+ for (Point k : mapTiles.keySet()) {
+ initMap(mapTiles.get(k), k);
}
}
boolean initialised = false;
Point2D.Double last_pt = null;
int last_state = -1;
- public void show(AltosState state, int crc_errors) {
+ public void show(final AltosState state, final int crc_errors) {
// if insufficient gps data, nothing to update
if (state.gps == null)
return;
- if (!state.gps.locked) {
- if (state.pad_lat == 0 && state.pad_lon == 0)
- return;
- if (state.gps.nsat < 4)
- return;
- }
+ if (!state.gps.locked && state.gps.nsat < 4)
+ return;
if (!initialised) {
- initMaps(state.pad_lat, state.pad_lon);
- initialised = true;
+ if (state.pad_lat != 0 || state.pad_lon != 0) {
+ initMaps(state.pad_lat, state.pad_lon);
+ initialised = true;
+ } else if (state.gps.lat != 0 || state.gps.lon != 0) {
+ initMaps(state.gps.lat, state.gps.lon);
+ initialised = true;
+ } else {
+ return;
+ }
}
- Point2D.Double pt = pt(state.gps.lat, state.gps.lon);
+ final Point2D.Double pt = pt(state.gps.lat, state.gps.lon);
if (last_pt == pt && last_state == state.state)
return;
last_pt = pt;
}
boolean in_any = false;
- for (AltosSiteMapTile tile : mapTiles) {
+ for (Point offset : mapTiles.keySet()) {
+ AltosSiteMapTile tile = mapTiles.get(offset);
Point2D.Double ref, lref;
- ref = translatePoint(pt, tileCoordOffset(tile));
- lref = translatePoint(last_pt, tileCoordOffset(tile));
+ ref = translatePoint(pt, tileCoordOffset(offset));
+ lref = translatePoint(last_pt, tileCoordOffset(offset));
tile.show(state, crc_errors, lref, ref);
if (0 <= ref.x && ref.x < px_size)
if (0 <= ref.y && ref.y < px_size)
in_any = true;
}
+
+ Point offset = tileOffset(pt);
if (!in_any) {
- AltosSiteMapTile tile = addTileAt(tileOffset(pt));
Point2D.Double ref, lref;
- ref = translatePoint(pt, tileCoordOffset(tile));
- lref = translatePoint(last_pt, tileCoordOffset(tile));
- initMap(tile);
- setViewportView(comp);
+ ref = translatePoint(pt, tileCoordOffset(offset));
+ lref = translatePoint(last_pt, tileCoordOffset(offset));
+
+ AltosSiteMapTile tile = createTile(offset);
tile.show(state, crc_errors, lref, ref);
+ initMap(tile, offset);
+ finishTileLater(tile, offset);
}
+
+ scrollRocketToVisible(pt);
+
+ if (offset != tileOffset(last_pt)) {
+ ensureTilesAround(offset);
+ }
+
last_pt = pt;
last_state = state.state;
}
- private AltosSiteMapTile addTileAt(Point offset) {
+ private AltosSiteMapTile createTile(Point offset) {
+ AltosSiteMapTile tile = new AltosSiteMapTile(px_size);
+ mapTiles.put(offset, tile);
+ return tile;
+ }
+ private void finishTileLater(final AltosSiteMapTile tile,
+ final Point offset)
+ {
+ SwingUtilities.invokeLater( new Runnable() {
+ public void run() {
+ addTileAt(tile, offset);
+ }
+ } );
+ }
+
+ private void ensureTilesAround(Point base_offset) {
+ for (int x = -1; x <= 1; x++) {
+ for (int y = -1; y <= 1; y++) {
+ Point offset = new Point(base_offset.x + x, base_offset.y + y);
+ if (mapTiles.containsKey(offset))
+ continue;
+ AltosSiteMapTile tile = createTile(offset);
+ initMap(tile, offset);
+ finishTileLater(tile, offset);
+ }
+ }
+ }
+
+ private Point topleft = new Point(0,0);
+ private void scrollRocketToVisible(Point2D.Double pt) {
+ Rectangle r = comp.getVisibleRect();
+ Point2D.Double copt = translatePoint(pt, tileCoordOffset(topleft));
+ int dx = (int)copt.x - r.width/2 - r.x;
+ int dy = (int)copt.y - r.height/2 - r.y;
+ if (Math.abs(dx) > r.width/4 || Math.abs(dy) > r.height/4) {
+ r.x += dx;
+ r.y += dy;
+ comp.scrollRectToVisible(r);
+ }
+ }
+
+ private void addTileAt(AltosSiteMapTile tile, Point offset) {
+ if (Math.abs(offset.x) >= MAX_TILE_DELTA ||
+ Math.abs(offset.y) >= MAX_TILE_DELTA)
+ {
+ System.out.printf("Rocket too far away from pad (tile %d,%d)\n",
+ offset.x, offset.y);
+ return;
+ }
+
+ boolean review = false;
+ Rectangle r = comp.getVisibleRect();
+ if (offset.x < topleft.x) {
+ r.x += (topleft.x - offset.x) * px_size;
+ topleft.x = offset.x;
+ review = true;
+ }
+ if (offset.y < topleft.y) {
+ r.y += (topleft.y - offset.y) * px_size;
+ topleft.y = offset.y;
+ review = true;
+ }
GridBagConstraints c = new GridBagConstraints();
c.anchor = GridBagConstraints.CENTER;
c.fill = GridBagConstraints.BOTH;
-
// put some space between the map tiles, debugging only
// c.insets = new Insets(5, 5, 5, 5);
- //
- AltosSiteMapTile t = new AltosSiteMapTile(px_size);
- mapTiles.add(t);
- c.gridx = offset.x + 100;
- c.gridy = offset.y + 100;
- layout.setConstraints(t, c);
- comp.add(t);
-
- return t;
+
+ c.gridx = offset.x + MAX_TILE_DELTA;
+ c.gridy = offset.y + MAX_TILE_DELTA;
+ layout.setConstraints(tile, c);
+
+ comp.add(tile);
+ if (review) {
+ comp.scrollRectToVisible(r);
+ }
}
private AltosSiteMap(boolean knowWhatYouAreDoing) {
}
}
- JComponent comp;
- private GridBagLayout layout;
+ JComponent comp = new JComponent() { };
+ private GridBagLayout layout = new GridBagLayout();
public AltosSiteMap() {
- comp = new JComponent() {
- GrabNDrag scroller = new GrabNDrag(this);
- {
- addMouseMotionListener(scroller);
- addMouseListener(scroller);
- setAutoscrolls(true);
- }
- };
+ GrabNDrag scroller = new GrabNDrag(comp);
- layout = new GridBagLayout();
comp.setLayout(layout);
for (int x = -1; x <= 1; x++) {
for (int y = -1; y <= 1; y++) {
- addTileAt(new Point(x, y));
+ Point offset = new Point(x, y);
+ AltosSiteMapTile t = createTile(offset);
+ addTileAt(t, offset);
}
}
setViewportView(comp);
projects / fw / altos / blobdiff