bool
GlueMapWindow::ShowMapItems(const GeoPoint &location,
bool show_empty_message) const
{
fixed range = visible_projection.DistancePixelsToMeters(Layout::GetHitRadius());
MapItemList list;
MapItemListBuilder builder(list, location, range);
builder.AddLocation(Basic(), terrain);
if (route_planner)
builder.AddArrivalAltitudes(*route_planner, terrain,
GetComputerSettings().task.safety_height_arrival);
if (Basic().location_available)
builder.AddSelfIfNear(Basic().location, Calculated().heading);
if (task)
builder.AddTaskOZs(*task);
const Airspaces *airspace_database = airspace_renderer.GetAirspaces();
if (airspace_database)
builder.AddVisibleAirspace(*airspace_database,
airspace_renderer.GetWarningManager(),
GetComputerSettings().airspace,
GetMapSettings().airspace, Basic(),
Calculated());
if (marks && render_projection.GetMapScale() <= fixed_int_constant(30000))
builder.AddMarkers(*marks);
if (render_projection.GetMapScale() <= fixed_int_constant(4000))
builder.AddThermals(Calculated().thermal_locator, Basic(), Calculated());
if (waypoints)
builder.AddWaypoints(*waypoints);
if (Basic().flarm.available)
builder.AddTraffic(Basic().flarm);
// Sort the list of map items
list.Sort();
// Show the list dialog
if (list.empty()) {
if (show_empty_message)
ShowMessageBox(_("There is nothing interesting near this location."),
_("Map elements at this location"), MB_OK | MB_ICONINFORMATION);
return false;
}
ShowMapItemListDialog(UIGlobals::GetMainWindow(), list,
UIGlobals::GetDialogLook(), look, traffic_look,
final_glide_bar_renderer.GetLook(), GetMapSettings(),
glide_computer != NULL
? &glide_computer->GetAirspaceWarnings() : NULL);
return true;
}
void
GlueMapWindow::UpdateMapScale()
{
/* not using MapWindowBlackboard here because these methods are
called by the main thread */
const DerivedInfo &calculated = CommonInterface::Calculated();
const MapSettings &settings = CommonInterface::GetMapSettings();
if (GetDisplayMode() == DM_CIRCLING && settings.circle_zoom_enabled)
return;
if (!IsNearSelf())
return;
fixed wpd = calculated.auto_zoom_distance;
if (settings.auto_zoom_enabled && positive(wpd)) {
// Calculate distance percentage between plane symbol and map edge
// 50: centered 100: at edge of map
int AutoZoomFactor = (GetDisplayMode() == DM_CIRCLING) ?
50 : 100 - settings.glider_screen_position;
// Leave 5% of full distance for target display
AutoZoomFactor -= 5;
// Adjust to account for map scale units
AutoZoomFactor *= 8;
wpd = wpd / ((fixed) AutoZoomFactor / fixed_int_constant(100));
// Clip map auto zoom range to reasonable values
wpd = max(fixed_int_constant(525),
min(settings.max_auto_zoom_distance / fixed_int_constant(10), wpd));
visible_projection.SetFreeMapScale(wpd);
}
}
void
InputEvents::sub_SetZoom(fixed value)
{
MapSettings &settings_map = CommonInterface::SetMapSettings();
GlueMapWindow *map_window = CommonInterface::main_window.ActivateMap();
if (map_window == NULL)
return;
DisplayMode displayMode = XCSoarInterface::main_window.GetDisplayMode();
if (settings_map.auto_zoom_enabled &&
!(displayMode == DisplayMode::CIRCLING && settings_map.circle_zoom_enabled) &&
!CommonInterface::IsPanning()) {
settings_map.auto_zoom_enabled = false; // disable autozoom if user manually changes zoom
Profile::Set(szProfileAutoZoom, false);
Message::AddMessage(_("Auto. zoom off"));
}
fixed vmin = CommonInterface::GetComputerSettings().polar.glide_polar_task.GetVMin();
fixed scale_2min_distance = vmin * fixed_int_constant(12);
const fixed scale_500m = fixed_int_constant(50);
const fixed scale_1600km = fixed_int_constant(1600*100);
fixed minreasonable = (displayMode == DisplayMode::CIRCLING) ?
scale_500m : max(scale_500m, scale_2min_distance);
value = max(minreasonable, min(scale_1600km, value));
map_window->SetMapScale(value);
map_window->QuickRedraw();
}
void
TrackLineRenderer::Draw(Canvas &canvas, const Angle screen_angle,
const Angle track_angle, const RasterPoint pos)
{
const auto sc = (track_angle - screen_angle).SinCos();
const fixed x = sc.first, y = sc.second;
RasterPoint end;
end.x = pos.x + iround(x * fixed_int_constant(400));
end.y = pos.y - iround(y * fixed_int_constant(400));
canvas.Select(look.track_line_pen);
canvas.DrawLine(pos, end);
}
void
GlueMapWindow::UpdateMapScale()
{
/* not using MapWindowBlackboard here because these methods are
called by the main thread */
const DerivedInfo &calculated = CommonInterface::Calculated();
const MapSettings &settings = CommonInterface::GetMapSettings();
if (InCirclingMode() && settings.circle_zoom_enabled)
return;
if (!IsNearSelf())
return;
fixed distance = calculated.auto_zoom_distance;
if (settings.auto_zoom_enabled && positive(distance)) {
// Calculate distance percentage between plane symbol and map edge
// 50: centered 100: at edge of map
int auto_zoom_factor = InCirclingMode() ?
50 : 100 - settings.glider_screen_position;
// Leave 5% of full distance for target display
auto_zoom_factor -= 5;
// Adjust to account for map scale units
auto_zoom_factor *= 8;
distance /= fixed(auto_zoom_factor) / 100;
// Clip map auto zoom range to reasonable values
distance = max(fixed_int_constant(525),
min(settings.max_auto_zoom_distance / 10, distance));
visible_projection.SetFreeMapScale(distance);
}
}
bool
OLCTriangle::path_closed() const
{
// RESERVED FOR FUTURE USE: DO NOT DELETE
// note this may fail if resolution of sampled trace is too low
assert(n_points > 0);
const ScanTaskPoint end(0, n_points-1);
fixed d_min(-1);
ScanTaskPoint start(0, 0);
assert(first_tp < n_points);
for (start.point_index = 0; start.point_index <= first_tp;
++start.point_index) {
const fixed d_this =
GetPointFast(start).get_location().distance(
GetPointFast(end).get_location());
if (!positive(d_min) || (d_this < d_min)) {
d_min = d_this;
}
if (d_this<= fixed_int_constant(1000)) {
return true;
}
}
return false;
}
bool
OLCTriangle::IsPathClosed() const
{
// RESERVED FOR FUTURE USE: DO NOT DELETE
// note this may fail if resolution of sampled trace is too low
assert(n_points > 0);
const GeoPoint end_location = GetPoint(n_points - 1).GetLocation();
fixed d_min(-1);
assert(first_tp < n_points);
for (unsigned start_index = 0; start_index <= first_tp; ++start_index) {
const fixed d_this =
GetPoint(start_index).GetLocation().Distance(end_location);
if (!positive(d_min) || d_this < d_min)
d_min = d_this;
if (d_this<= fixed_int_constant(1000))
return true;
}
return false;
}
void
MapWindow::RenderMarks(Canvas &canvas)
{
if (marks != NULL &&
render_projection.GetMapScale() <= fixed_int_constant(30000))
marks->Draw(canvas, render_projection);
}
void
AircraftStateFilter::update(const AIRCRAFT_STATE& state)
{
fixed dt = state.Time- m_state_last.Time;
if (negative(dt)) {
reset(state);
return;
}
if (!positive(dt))
return;
GeoVector vec(m_state_last.Location, state.Location);
const fixed MACH_1 = fixed_int_constant(343);
if (vec.Distance / dt > MACH_1) {
reset(state);
return;
}
m_x+= vec.Bearing.sin()*vec.Distance;
m_y+= vec.Bearing.cos()*vec.Distance;
m_vx = m_lpf_x.update(m_df_x.update(m_x));
m_vy = m_lpf_y.update(m_df_y.update(m_y));
m_vz = m_lpf_alt.update(m_df_alt.update(state.NavAltitude));
m_state_last = state;
}
fixed
GlideResult::DestinationAngleGround() const
{
if (positive(vector.distance))
return (altitude_difference + pure_glide_height) / vector.distance;
return fixed_int_constant(1000);
}
fixed
GlideResult::GlideAngleGround() const
{
if (positive(vector.distance))
return pure_glide_height / vector.distance;
return fixed_int_constant(1000);
}
void
TargetMapWindow::set(ContainerWindow &parent, int left, int top,
unsigned width, unsigned height, WindowStyle style)
{
projection.SetFreeMapScale(fixed_int_constant(5000));
BufferWindow::set(parent, left, top, width, height, style);
}
fixed
GlideResult::destination_angle_ground() const
{
if (positive(Vector.Distance))
return (AltitudeDifference+HeightGlide) / Vector.Distance;
return fixed_int_constant(1000);
}
fixed
GlideResult::glide_angle_ground() const
{
if (positive(Vector.Distance))
return HeightGlide / Vector.Distance;
return fixed_int_constant(1000);
}
void
TargetMapWindow::set(ContainerWindow &parent,
PixelScalar left, PixelScalar top,
UPixelScalar width, UPixelScalar height,
WindowStyle style)
{
projection.SetFreeMapScale(fixed_int_constant(5000));
BufferWindow::set(parent, left, top, width, height, style);
}
void
MapWindow::set(ContainerWindow &parent, const PixelRect &rc)
{
WindowStyle style;
style.enable_double_clicks();
DoubleBufferWindow::set(parent, rc.left, rc.top,
rc.right - rc.left, rc.bottom - rc.top,
style);
// initialize other systems
visible_projection.SetMapScale(fixed_int_constant(5000));
visible_projection.SetScreenOrigin((rc.left + rc.right) / 2,
(rc.bottom + rc.top) / 2);
visible_projection.UpdateScreenBounds();
#ifndef ENABLE_OPENGL
buffer_projection = visible_projection;
#endif
}
/**
* Draws the FLARM traffic icons onto the given canvas
* @param canvas Canvas for drawing
*/
void
MapWindow::DrawFLARMTraffic(Canvas &canvas,
const RasterPoint aircraft_pos) const
{
// Return if FLARM icons on moving map are disabled
if (!GetMapSettings().show_flarm_on_map)
return;
// Return if FLARM data is not available
const FlarmState &flarm = Basic().flarm;
if (!flarm.available)
return;
const WindowProjection &projection = render_projection;
// if zoomed in too far out, dont draw traffic since it will be too close to
// the glider and so will be meaningless (serves only to clutter, cant help
// the pilot)
if (projection.GetMapScale() > fixed_int_constant(7300))
return;
// Circle through the FLARM targets
for (auto it = flarm.traffic.begin(), end = flarm.traffic.end();
it != end; ++it) {
const FlarmTraffic &traffic = *it;
if (!traffic.location_available)
continue;
// Save the location of the FLARM target
GeoPoint target_loc = traffic.location;
// Points for the screen coordinates for the icon, name and average climb
RasterPoint sc, sc_name, sc_av;
// If FLARM target not on the screen, move to the next one
if (!projection.GeoToScreenIfVisible(target_loc, sc))
continue;
// Draw the name 16 points below the icon
sc_name = sc;
sc_name.y -= Layout::Scale(20);
// Draw the average climb value above the icon
sc_av = sc;
sc_av.y += Layout::Scale(5);
TextInBoxMode mode;
mode.mode = RM_OUTLINED;
// JMW TODO enhancement: decluttering of FLARM altitudes (sort by max lift)
int dx = sc_av.x - aircraft_pos.x;
int dy = sc_av.y - aircraft_pos.y;
// only draw labels if not close to aircraft
if (dx * dx + dy * dy > Layout::Scale(30 * 30)) {
// If FLARM callsign/name available draw it to the canvas
if (traffic.HasName() && !StringIsEmpty(traffic.name))
TextInBox(canvas, traffic.name, sc_name.x, sc_name.y,
mode, get_client_rect());
if (traffic.climb_rate_avg30s >= fixed(0.1)) {
// If average climb data available draw it to the canvas
TCHAR label_avg[100];
Units::FormatUserVerticalSpeed(traffic.climb_rate_avg30s,
label_avg, false);
TextInBox(canvas, label_avg, sc_av.x, sc_av.y, mode, get_client_rect());
}
}
TrafficRenderer::Draw(canvas, traffic_look, traffic,
traffic.track - projection.GetScreenAngle(), sc);
}
}
bool
GlueMapWindow::ShowMapItems(const GeoPoint &location,
bool show_empty_message) const
{
/* not using MapWindowBlackboard here because this method is called
by the main thread */
const ComputerSettings &computer_settings =
CommonInterface::GetComputerSettings();
const MapSettings &settings = CommonInterface::GetMapSettings();
const MoreData &basic = CommonInterface::Basic();
const DerivedInfo &calculated = CommonInterface::Calculated();
fixed range = visible_projection.DistancePixelsToMeters(Layout::GetHitRadius());
MapItemList list;
MapItemListBuilder builder(list, location, range);
if (settings.item_list.add_location)
builder.AddLocation(basic, terrain);
if (settings.item_list.add_arrival_altitude && route_planner)
builder.AddArrivalAltitudes(*route_planner, terrain,
computer_settings.task.safety_height_arrival);
if (basic.location_available)
builder.AddSelfIfNear(basic.location, basic.attitude.heading);
if (task)
builder.AddTaskOZs(*task);
const Airspaces *airspace_database = airspace_renderer.GetAirspaces();
if (airspace_database)
builder.AddVisibleAirspace(*airspace_database,
airspace_renderer.GetWarningManager(),
computer_settings.airspace,
settings.airspace, basic,
calculated);
if (marks && visible_projection.GetMapScale() <= fixed_int_constant(30000))
builder.AddMarkers(*marks);
if (visible_projection.GetMapScale() <= fixed_int_constant(4000))
builder.AddThermals(calculated.thermal_locator, basic, calculated);
if (waypoints)
builder.AddWaypoints(*waypoints);
#ifdef HAVE_NOAA
if (noaa_store)
builder.AddWeatherStations(*noaa_store);
#endif
builder.AddTraffic(basic.flarm.traffic, computer_settings.team_code);
// Sort the list of map items
list.Sort();
// Show the list dialog
if (list.empty()) {
if (show_empty_message)
ShowMessageBox(_("There is nothing interesting near this location."),
_("Map elements at this location"), MB_OK | MB_ICONINFORMATION);
return false;
}
ShowMapItemListDialog(UIGlobals::GetMainWindow(), list,
UIGlobals::GetDialogLook(), look, traffic_look,
final_glide_bar_renderer.GetLook(), settings,
glide_computer != NULL
? &glide_computer->GetAirspaceWarnings() : NULL);
return true;
}
void
WaypointIconRenderer::DrawLandable(const Waypoint &waypoint,
const RasterPoint &point,
Reachability reachable)
{
if (!settings.vector_landable_rendering) {
const MaskedIcon *icon;
if (reachable == ReachableTerrain)
icon = waypoint.IsAirport()
? &look.airport_reachable_icon
: &look.field_reachable_icon;
else if (reachable == ReachableStraight)
icon = waypoint.IsAirport()
? &look.airport_marginal_icon
: &look.field_marginal_icon;
else
icon = waypoint.IsAirport()
? &look.airport_unreachable_icon
: &look.field_unreachable_icon;
icon->draw(canvas, point);
return;
}
// SW rendering of landables
fixed scale = fixed(Layout::SmallScale(settings.landable_rendering_scale)) /
fixed_int_constant(150);
fixed radius = fixed_int_constant(10) * scale;
canvas.black_pen();
if (settings.landable_style == wpLandableWinPilot) {
// Render landable with reachable state
if (reachable != Unreachable) {
canvas.select(reachable == ReachableTerrain
? look.reachable_brush
: look.terrain_unreachable_brush);
DrawLandableBase(canvas, point, waypoint.IsAirport(),
radius + radius / fixed_two);
}
canvas.select(look.magenta_brush);
} else if (settings.landable_style == wpLandableAltB) {
if (reachable != Unreachable)
canvas.select(reachable == ReachableTerrain
? look.reachable_brush
: look.orange_brush);
else
canvas.select(look.unreachable_brush);
} else {
if (reachable != Unreachable)
canvas.select(reachable == ReachableTerrain
? look.reachable_brush
: look.terrain_unreachable_brush);
else if (waypoint.IsAirport())
canvas.select(look.white_brush);
else
canvas.select(look.light_gray_brush);
}
DrawLandableBase(canvas, point, waypoint.IsAirport(), radius);
// Render runway indication
const Runway &runway = waypoint.runway;
if (runway.IsDirectionDefined()) {
fixed len;
if (settings.scale_runway_length && runway.IsLengthDefined())
len = (radius / fixed_two) +
(((int) runway.GetLength() - 500) / 500) * (radius / fixed_four);
else
len = radius;
len += fixed_two * scale;
Angle runwayDrawingAngle = runway.GetDirection() - screen_rotation;
canvas.select(look.white_brush);
DrawLandableRunway(canvas, point, runwayDrawingAngle, len,
fixed_int_constant(5) * scale);
}
}
void
GlueMapWindow::UpdateProjection()
{
const PixelRect rc = GetClientRect();
/* not using MapWindowBlackboard here because these methods are
called by the main thread */
const NMEAInfo &basic = CommonInterface::Basic();
const DerivedInfo &calculated = CommonInterface::Calculated();
const MapSettings &settings_map = CommonInterface::GetMapSettings();
RasterPoint center;
center.x = (rc.left + rc.right) / 2;
center.y = (rc.top + rc.bottom) / 2;
if (InCirclingMode() || !IsNearSelf())
visible_projection.SetScreenOrigin(center.x, center.y);
else if (settings_map.cruise_orientation == NORTHUP) {
RasterPoint offset{0, 0};
if (settings_map.glider_screen_position != 50 &&
settings_map.map_shift_bias != MAP_SHIFT_BIAS_NONE) {
fixed x = fixed_zero;
fixed y = fixed_zero;
if (settings_map.map_shift_bias == MAP_SHIFT_BIAS_TRACK) {
if (basic.track_available &&
basic.ground_speed_available &&
/* 8 m/s ~ 30 km/h */
basic.ground_speed > fixed_int_constant(8)) {
const auto sc = basic.track.Reciprocal().SinCos();
x = sc.first;
y = sc.second;
}
} else if (settings_map.map_shift_bias == MAP_SHIFT_BIAS_TARGET) {
if (calculated.task_stats.current_leg.solution_remaining.IsDefined()) {
const auto sc =calculated.task_stats.current_leg.solution_remaining
.vector.bearing.Reciprocal().SinCos();
x = sc.first;
y = sc.second;
}
}
fixed position_factor = fixed(50 - settings_map.glider_screen_position) / 100;
offset.x = PixelScalar(x * (rc.right - rc.left) * position_factor);
offset.y = PixelScalar(y * (rc.top - rc.bottom) * position_factor);
offset_history.Add(offset);
offset = offset_history.GetAverage();
}
visible_projection.SetScreenOrigin(center.x + offset.x, center.y + offset.y);
} else
visible_projection.SetScreenOrigin(center.x,
((rc.top - rc.bottom) * settings_map.glider_screen_position / 100) + rc.bottom);
if (!IsNearSelf()) {
/* no-op - the Projection's location is updated manually */
} else if (InCirclingMode() && calculated.thermal_locator.estimate_valid) {
const fixed d_t = calculated.thermal_locator.estimate_location.Distance(basic.location);
if (!positive(d_t)) {
SetLocationLazy(basic.location);
} else {
const fixed d_max = Double(visible_projection.GetMapScale());
const fixed t = std::min(d_t, d_max)/d_t;
SetLocation(basic.location.Interpolate(calculated.thermal_locator.estimate_location,
t));
}
} else if (basic.location_available)
// Pan is off
SetLocationLazy(basic.location);
visible_projection.UpdateScreenBounds();
}
bool
MapWindowProjection::WaypointInScaleFilter(const Waypoint &way_point) const
{
return (GetMapScale() <= (way_point.is_landable() ? fixed_int_constant(20000) :
fixed_int_constant(10000)));
}
