/// <summary>
/// Gets distance between two points in pixels
/// </summary>
/// <param name="p1">First point</param>
/// <param name="p2">Second point</param>
/// <returns>Distance between two points, in pixels</returns>
public static double DistanceBetweenPoints(this IMapContext map, PointF p1, PointF p2)
{
double deltaX = p1.X - p2.X;
double deltaY = p1.Y - p2.Y;
return(Math.Sqrt(deltaX * deltaX + deltaY * deltaY));
}
private static PointF[] EdgeCrosspoints(IMapContext map, PointF p1, PointF p2)
{
int width = map.Width;
int height = map.Height;
PointF p00 = new PointF(0, 0);
PointF pW0 = new PointF(width, 0);
PointF pWH = new PointF(width, height);
PointF p0H = new PointF(0, height);
List <PointF?> crossPoints = new List <PointF?>();
// top edge
crossPoints.Add(SegmentsIntersection(p1, p2, p00, pW0));
// right edge
crossPoints.Add(SegmentsIntersection(p1, p2, pW0, pWH));
// bottom edge
crossPoints.Add(SegmentsIntersection(p1, p2, pWH, p0H));
// left edge
crossPoints.Add(SegmentsIntersection(p1, p2, p0H, p00));
return(crossPoints.Where(p => p != null).Cast <PointF>().ToArray());
}
public static float Rotate(this IMapContext map, PointF p, CrdsEquatorial eq, double PA)
{
// Point directed to North celestial pole
PointF pNorth = map.Project((eq + new CrdsEquatorial(0, 1)).ToHorizontal(map.GeoLocation, map.SiderealTime));
// Clockwise rotation
float inc = LineInclinationY(p, pNorth);
if (map.IsInverted)
{
inc = -90 - inc;
}
float rotation = (float)(inc - (map.IsMirrored ? -1 : 1) * PA);
if (map.IsInverted)
{
rotation = 90 - rotation;
}
map.Graphics.TranslateTransform(p.X, p.Y);
map.Graphics.RotateTransform(rotation);
return(rotation);
}
// Ctor : provides Map and mode (combat or not)
public SubMapProcessor(IMapContext map, bool inFightMap)
{
_isInFight = inFightMap;
_map = map;
_cells = map.Cells.Select(cell => new CellInfo(cell)).ToArray();
SubMapsCount = SubMapFiller(inFightMap);
}
public override void Render(IMapContext map)
{
brushLabel = new SolidBrush(map.GetColor("ColorSolarSystemLabel"));
var bodies = planetsCalc.Planets
.Where(p => p.Number != Planet.EARTH)
.Cast <SolarSystemObject>()
.Concat(new[] { sun })
.OrderByDescending(body => body.Ecliptical.Distance)
.ToArray();
foreach (var body in bodies)
{
if (body is Planet planet)
{
RenderPlanet(map, planet);
}
else
{
RenderSun(map);
}
}
RenderMoon(map);
if (map.Schema == ColorSchema.Day)
{
DrawHalo(map);
}
RenderEarthShadow(map);
}
/// <summary>
/// Renders constellation borders on the map
/// </summary>
private void RenderBorders(IMapContext map)
{
PointF p1, p2;
CrdsHorizontal h1, h2;
var borders = constellationsCalc.ConstBorders;
bool isGround = settings.Get <bool>("Ground");
double coeff = map.DiagonalCoefficient();
Pen penBorder = new Pen(map.GetColor("ColorConstBorders"));
foreach (var block in borders)
{
for (int i = 0; i < block.Count - 1; i++)
{
h1 = block.ElementAt(i).Horizontal;
h2 = block.ElementAt(i + 1).Horizontal;
if ((!isGround || h1.Altitude >= 0 || h2.Altitude >= 0) &&
Angle.Separation(map.Center, h1) < 90 * coeff &&
Angle.Separation(map.Center, h2) < 90 * coeff)
{
p1 = map.Project(h1);
p2 = map.Project(h2);
var points = map.SegmentScreenIntersection(p1, p2);
if (points.Length == 2)
{
map.Graphics.DrawLine(penBorder, points[0], points[1]);
}
}
}
}
}
private void DrawFovCircle(IMapContext map, float frameSize, FovFrame frame, bool isOuter)
{
float radius = frameSize * 3600 / 2;
float size = map.GetDiskSize(radius);
// do not draw frame if its size exceeds screen bounds
if (size < Math.Sqrt(map.Width * map.Width + map.Height * map.Height))
{
if (isOuter && frame.Shading > 0 && frameSize >= map.ViewAngle / 2)
{
var circle = new GraphicsPath();
circle.AddEllipse(map.Width / 2 - size / 2, map.Height / 2 - size / 2, size, size);
var shading = new Region(new RectangleF(0, 0, map.Width, map.Height));
shading.Exclude(circle);
int transparency = (int)(frame.Shading / 100f * 255);
var solidBrush = new SolidBrush(Color.FromArgb(transparency, map.GetSkyColor()));
map.Graphics.FillRegion(solidBrush, shading);
}
map.Graphics.DrawEllipse(new Pen(frame.Color.GetColor(map.Schema, map.DayLightFactor)), map.Width / 2 - size / 2, map.Height / 2 - size / 2, size, size);
if (isOuter)
{
float labelWidth = map.Graphics.MeasureString(frame.Label, font).Width;
if (labelWidth <= size * 2)
{
map.Graphics.DrawString(frame.Label, font, new SolidBrush(frame.Color.GetColor(map.Schema, map.DayLightFactor)), new PointF(map.Width / 2, map.Height / 2 + size / 2), format);
}
}
}
}
/// <summary>
/// Gets size of a point (small filled circle) representing a star or a planet
/// or any other celestial object on sky map, depending of its magnitude.
/// </summary>
/// <param name="mag">Magnitude of a celestial body</param>
/// <param name="maxDrawingSize">Maximal allowed drawing diameter, in pixels</param>
/// <returns>Size (diameter) of a point in screen pixels</returns>
public static float GetPointSize(this IMapContext map, float mag, float maxDrawingSize = 0)
{
// current magnitude limit
float mag0 = map.MagLimit;
float size;
if (mag > mag0)
{
size = 0;
}
else if (maxDrawingSize != 0)
{
size = Math.Min(maxDrawingSize, mag0 - mag);
}
else
{
size = mag0 - mag;
}
if (map.Schema == ColorSchema.Day)
{
size *= 1 - map.DayLightFactor;
}
else if (map.Schema == ColorSchema.White)
{
size *= 2;
}
return(size);
}
/// <summary>
/// Does the rendering logic
/// </summary>
/// <param name="map">Map instance</param>
public override void Render(IMapContext map)
{
if (IsMeasureToolOn && map.MousePosition != null)
{
double coeff = map.DiagonalCoefficient();
List <PointF> points = new List <PointF>();
for (int f = 0; f <= 10; f++)
{
CrdsHorizontal h = Angle.Intermediate(map.MousePosition, MeasureOrigin, f / 10.0);
points.Add(map.Project(h));
if (Angle.Separation(h, map.Center) > map.ViewAngle * coeff)
{
break;
}
}
if (points.Count > 1)
{
map.Graphics.DrawCurve(new Pen(map.GetColor(Color.White)), points.ToArray());
double angle = Angle.Separation(map.MousePosition, MeasureOrigin);
PointF p = map.Project(map.MousePosition);
map.Graphics.DrawString(Formatters.MeasuredAngle.Format(angle), fontAngleValue, new SolidBrush(map.GetColor(Color.White)), p.X + 5, p.Y + 5);
}
}
}
public override void Draw(IMapContext map, ISettings settings, DeepSky ds)
{
if (map.ViewAngle <= Renderer.minZoom)
{
base.Draw(map, settings, ds);
}
}
private void DrawLabels(IMapContext map, Track track)
{
var brushLabel = new SolidBrush(track.Color);
double trackStep = track.Step;
double stepLabels = track.LabelsStep.TotalDays;
double coeff = map.DiagonalCoefficient();
int each = (int)(stepLabels / trackStep);
double jd = track.From;
for (int i = 0; i < track.Points.Count; i++)
{
if (i % each == 0 || i == track.Points.Count - 1)
{
var tp = track.Points[i];
double ad = Angle.Separation(tp.Horizontal, map.Center);
if (ad < map.ViewAngle * coeff)
{
PointF p = map.Project(tp.Horizontal);
if (!map.IsOutOfScreen(p))
{
map.Graphics.FillEllipse(brushLabel, p.X - 2, p.Y - 2, 4, 4);
map.DrawObjectCaption(fontLabel, brushLabel, Formatters.DateTime.Format(new Date(jd, map.GeoLocation.UtcOffset)), p, 4);
}
}
}
jd += trackStep;
}
}
// Ctor : provides Map and mode (combat or not)
public SubMapProcessor(IMapContext map, bool inFightMap)
{
_isInFight = inFightMap;
_map = map;
_cells = map.Cells.Select(cell => new CellInfo(cell)).ToArray();
SubMapsCount = SubMapFiller(inFightMap);
}
public override void Render(IMapContext map)
{
if (!settings.Get <bool>("DeepSky"))
{
return;
}
var allDeepSkies = deepSkyCalc.DeepSkies;
bool isGround = settings.Get <bool>("Ground");
brushCaption = new SolidBrush(map.GetColor("ColorDeepSkyLabel"));
int alpha = Math.Max(0, Math.Min((int)(k * map.ViewAngle + b), 255));
Color colorOutline = map.GetColor("ColorDeepSkyOutline");
penOutlineSolid = new Pen(Color.FromArgb(alpha, colorOutline));
penOutlineDashed = new Pen(Color.FromArgb(alpha, colorOutline));
penOutlineDashed.DashStyle = DashStyle.Dash;
var deepSkies = allDeepSkies.Where(ds => !ds.Status.IsEmpty() && Angle.Separation(map.Center, ds.Horizontal) < map.ViewAngle);
if (isGround)
{
deepSkies = deepSkies.Where(ds => ds.Horizontal.Altitude + ds.Semidiameter / 3600 > 0);
}
foreach (var ds in deepSkies)
{
drawingHandlers[ds.Status].Draw(map, settings, ds);
}
}
public override void Render(IMapContext map)
{
Graphics g = map.Graphics;
bool isGround = settings.Get <bool>("Ground");
bool showNovae = settings.Get("Stars") && settings.Get <bool>("Novae");
if (!showNovae)
{
return;
}
var novae = calc.Novae.Where(m => Angle.Separation(map.Center, m.Horizontal) < map.ViewAngle);
if (isGround)
{
novae = novae.Where(m => m.Horizontal.Altitude >= 0);
}
var font = SystemFonts.DefaultFont;
var brush = new SolidBrush(map.Schema == ColorSchema.White ? Color.Black : Color.White);
foreach (var star in novae)
{
float diam = map.GetPointSize(star.Mag);
if ((int)diam > 0)
{
PointF p = map.Project(star.Horizontal);
if (!map.IsOutOfScreen(p))
{
if (map.Schema == ColorSchema.White)
{
g.FillEllipse(Brushes.White, p.X - diam / 2 - 1, p.Y - diam / 2 - 1, diam + 2, diam + 2);
}
g.FillEllipse(brush, p.X - diam / 2, p.Y - diam / 2, diam, diam);
map.AddDrawnObject(star);
}
}
}
if (settings.Get <bool>("StarsLabels") && settings.Get <bool>("NovaeLabels") && map.ViewAngle <= limitAllNames)
{
brushStarNames = new SolidBrush(map.GetColor("ColorStarsLabels"));
foreach (var nova in novae)
{
float diam = map.GetPointSize(nova.Mag);
if ((int)diam > 0)
{
PointF p = map.Project(nova.Horizontal);
if (!map.IsOutOfScreen(p))
{
DrawStarName(map, p, nova, diam);
}
}
}
}
}
private void TestBook(IMapContext context, int n)
{
var large = Book.Factory <Book, Genre, Page, Headnote, Footnote>(n, x => (Genre)x);
var json = context.ToJson(large);
var newLarge = context.To <Book>(json);
AssertBook(large, newLarge);
}
private bool IsSegmentContainsBody(IMapContext map, ICollection <CelestialPoint> segment, Track track)
{
int firstIndex = track.Points.IndexOf(segment.First());
int lastIndex = track.Points.IndexOf(segment.Last());
double from = (double)firstIndex / (track.Points.Count - 1) * track.Duration + track.From;
double to = (double)lastIndex / (track.Points.Count - 1) * track.Duration + track.From;
return(map.JulianDay > from && map.JulianDay < to);
}
// Ctor : provides specific cells and mode (combat or not)
public PathFinder(IMapContext map, IEnumerable<Cell> cells, bool fight)
{
_map = map;
_isInFight = fight;
_cells = new CellInfo[_map.Cells.Count];
foreach (Cell cell in cells)
_cells[cell.Id] = new CellInfo(cell);
PathPacker = new MapMovement(_cells);
}
public Pathfinder(Map map, IMapContext context, bool throughEntities = true, bool useLogNodeSearch = false)
{
m_map = map;
m_context = context;
m_throughEntities = throughEntities;
// the dofus client use a bad linear algorithm to find the closest node.
// if we use an other sort method the result may be different
m_useLogNodeSearch = useLogNodeSearch;
}
/// <summary>
/// Build a Path instance from the keys sent by the client
/// </summary>
/// <param name="map"></param>
/// <param name="keys"></param>
/// <returns></returns>
public static Path BuildFromClientCompressedPath(IMapContext map, IEnumerable <short> keys)
{
IEnumerable <PathElement> path = (from key in keys
let cellId = key& 4095
let direction = (DirectionsEnum)((key >> 12) & 7)
select new PathElement(map.Cells[cellId], direction));
return(new Path(map, path));
}
public MapRepository(IMapContext context)
{
this.context = context;
using (var mysqlContext = new MapMSSQLContext())
{
// Creates the database if not exists
mysqlContext.Database.EnsureCreated();
mysqlContext.SaveChanges();
}
}
// Ctor : provides Map and mode (combat or not). Beware, use a Fight context un fight, and a Map out of fights
public PathFinder(IMapContext map, bool fight)
{
Debug.Assert(fight && map is Fight || !fight && map is IMap);
_isInFight = fight;
_map = map;
_cells = new CellInfo[map.Cells.Count];
for (int i = 0; i < map.Cells.Count; i++)
_cells[i] = new CellInfo(map.Cells[i]);
PathPacker = new MapMovement(_cells);
}
/// <summary>
/// Gets drawing rotation of image, measured clockwise from
/// a point oriented to top of the screen towards North ecliptic pole point
/// </summary>
/// <param name="ecl">Ecliptical coordinates of a central point of a body.</param>
/// <returns></returns>
public static float GetRotationTowardsEclipticPole(this IMapContext map, CrdsEcliptical ecl)
{
// Coordinates of center of a body (image) to be rotated
PointF p = map.Project(ecl.ToEquatorial(map.Epsilon).ToHorizontal(map.GeoLocation, map.SiderealTime));
// Point directed to North ecliptic pole
PointF pNorth = map.Project((ecl + new CrdsEcliptical(0, 1)).ToEquatorial(map.Epsilon).ToHorizontal(map.GeoLocation, map.SiderealTime));
// Clockwise rotation
return(LineInclinationY(p, pNorth));
}
/// <summary>
/// Draws nova name
/// </summary>
private void DrawStarName(IMapContext map, PointF point, Nova nova, float diam)
{
var fontStarNames = settings.Get <Font>("StarsLabelsFont");
// Star has proper name
if (map.ViewAngle < limitAllNames && settings.Get <bool>("StarsProperNames") && nova.ProperName != null)
{
map.DrawObjectCaption(fontStarNames, brushStarNames, nova.ProperName, point, diam);
return;
}
}
// Ctor : provides specific cells and mode (combat or not)
public PathFinder(IMapContext map, IEnumerable <Cell> cells, bool fight)
{
_map = map;
_isInFight = fight;
_cells = new CellInfo[_map.Cells.Count];
foreach (Cell cell in cells)
{
_cells[cell.Id] = new CellInfo(cell);
}
PathPacker = new MapMovement(_cells);
}
public override void Render(IMapContext map)
{
if (settings.Get <bool>("ConstBorders"))
{
RenderBorders(map);
}
if (settings.Get <bool>("ConstLabels"))
{
RenderConstLabels(map);
}
}
/// <summary>
/// Gets drawing rotation of image, measured clockwise from
/// a point oriented to top of the screen towards North celestial pole point
/// </summary>
/// <param name="eq">Equatorial coordinates of a central point of a body.</param>
/// <returns></returns>
public static float GetRotationTowardsNorth(this IMapContext map, CrdsEquatorial eq)
{
// Coordinates of center of a body (image) to be rotated
PointF p = map.Project(eq.ToHorizontal(map.GeoLocation, map.SiderealTime));
// Point directed to North celestial pole
PointF pNorth = map.Project((eq + new CrdsEquatorial(0, 1)).ToHorizontal(map.GeoLocation, map.SiderealTime));
// Clockwise rotation
return(LineInclinationY(p, pNorth));
}
// Ctor : provides Map and mode (combat or not). Beware, use a Fight context un fight, and a Map out of fights
public PathFinder(IMapContext map, bool fight)
{
Debug.Assert(fight && map is Fight || !fight && map is IMap);
_isInFight = fight;
_map = map;
_cells = new CellInfo[map.Cells.Count];
for (int i = 0; i < map.Cells.Count; i++)
{
_cells[i] = new CellInfo(map.Cells[i]);
}
PathPacker = new MapMovement(_cells);
}
private Color GetColor(IMapContext map, char spClass)
{
if (map.Schema == ColorSchema.White)
{
return(Color.Black);
}
if (settings.Get("StarsColors"))
{
switch (spClass)
{
case 'O':
case 'W':
starColor = Color.LightBlue;
break;
case 'B':
starColor = Color.LightCyan;
break;
case 'A':
starColor = Color.White;
break;
case 'F':
starColor = Color.LightYellow;
break;
case 'G':
starColor = Color.Yellow;
break;
case 'K':
starColor = Color.Orange;
break;
case 'M':
starColor = Color.OrangeRed;
break;
default:
starColor = Color.White;
break;
}
}
else
{
starColor = Color.White;
}
return(map.GetColor(starColor, Color.Transparent));
}
public static void Rotate(this IMapContext map, PointF p, double angle)
{
map.Graphics.TranslateTransform(p.X, p.Y);
if (map.IsInverted)
{
angle = -angle;
}
if (map.IsMirrored)
{
angle = -angle;
}
map.Graphics.RotateTransform((float)angle);
}
private bool MagFilter(IMapContext map, float mag)
{
if (mag > map.MagLimit)
{
return(false);
}
if ((int)map.GetPointSize(mag) == 0)
{
return(false);
}
return(true);
}
public static void Flip(this IMapContext map)
{
var transformMatrix = map.Graphics.Transform;
if (map.IsMirrored)
{
transformMatrix.Multiply(new Matrix(-1, 0, 0, 1, 0, 0));
}
if (map.IsInverted)
{
transformMatrix.Multiply(new Matrix(1, 0, 0, -1, 0, 0));
}
map.Graphics.Transform = transformMatrix;
}
public override void Render(IMapContext map)
{
Graphics g = map.Graphics;
bool isGround = settings.Get <bool>("Ground");
bool isLabels = settings.Get <bool>("StarsLabels");
Brush brushNames = new SolidBrush(map.GetColor("ColorStarsLabels"));
if (map.MagLimit > 8 && settings.Get <bool>("Stars") && settings.Get <bool>("Tycho2"))
{
Brush brushStar = GetColor(map);
PrecessionalElements pe = Precession.ElementsFK5(map.JulianDay, Date.EPOCH_J2000);
var eq0 = map.Center.ToEquatorial(map.GeoLocation, map.SiderealTime);
CrdsEquatorial eq = Precession.GetEquatorialCoordinates(eq0, pe);
SkyContext context = new SkyContext(map.JulianDay, map.GeoLocation);
tycho2.LockedStar = map.LockedObject as Tycho2Star;
tycho2.SelectedStar = map.SelectedObject as Tycho2Star;
var stars = tycho2.GetStars(context, eq, map.ViewAngle, m => MagFilter(map, m));
foreach (var star in stars)
{
if (!isGround || star.Horizontal.Altitude > 0)
{
PointF p = map.Project(star.Horizontal);
if (!map.IsOutOfScreen(p))
{
float size = map.GetPointSize(star.Magnitude);
if (map.Schema == ColorSchema.White)
{
g.FillEllipse(Brushes.White, p.X - size / 2 - 1, p.Y - size / 2 - 1, size + 2, size + 2);
}
g.FillEllipse(brushStar, p.X - size / 2, p.Y - size / 2, size, size);
if (isLabels && map.ViewAngle < 1 && size > 3)
{
map.DrawObjectCaption(fontNames, brushNames, star.ToString(), p, size);
}
map.AddDrawnObject(star);
}
}
}
}
}
/// <summary>
/// Draws star name
/// </summary>
private void DrawStarName(IMapContext map, PointF point, Star s, float diam)
{
var fontStarNames = settings.Get <Font>("StarsLabelsFont");
// Star has proper name
if (map.ViewAngle < limitProperNames && settings.Get <bool>("StarsProperNames") && s.ProperName != null)
{
map.DrawObjectCaption(fontStarNames, brushStarNames, s.ProperName, point, diam);
return;
}
// Star has Bayer name (greek letter)
if (map.ViewAngle < limitBayerNames)
{
string bayerName = s.BayerName;
if (bayerName != null)
{
map.DrawObjectCaption(fontStarNames, brushStarNames, bayerName, point, diam);
return;
}
}
// Star has Flamsteed number
if (map.ViewAngle < limitFlamsteedNames)
{
string flamsteedNumber = s.FlamsteedNumber;
if (flamsteedNumber != null)
{
map.DrawObjectCaption(fontStarNames, brushStarNames, flamsteedNumber, point, diam);
return;
}
}
// Star has variable id
if (map.ViewAngle < limitVarNames && s.VariableName != null)
{
string varName = s.VariableName.Split(' ')[0];
if (!varName.All(char.IsDigit))
{
map.DrawObjectCaption(fontStarNames, brushStarNames, varName, point, diam);
return;
}
}
// Star doesn't have any names
if (map.ViewAngle < 2)
{
map.DrawObjectCaption(fontStarNames, brushStarNames, $"HR {s.Number}", point, diam);
}
}
/// <summary>
/// Constructs the Path instance from the complete path as a list of cell
/// </summary>
/// <param name="map">Current map</param>
/// <param name="path">Complete path</param>
public Path(IMapContext map, IEnumerable<Cell> path)
{
Map = map;
m_cellsPath = path.ToArray();
}
/// <summary>
/// Get an empty path with the current cell
/// </summary>
/// <param name="map"></param>
/// <param name="startCell"></param>
/// <returns></returns>
public static Path GetEmptyPath(IMapContext map, Cell startCell)
{
return new Path(map, new[] { startCell });
}
public ContextActor TryGetSender(IMapContext context)
{
return context.Actors.FirstOrDefault(entry => ( entry is INamed && ( entry as INamed ).Name == SenderName ) || entry.Id == SenderId);
}
/// <summary>
/// Constructs the Path instance from the compressed path as a list of PathElement
/// </summary>
/// <param name="map">Current map</param>
/// <param name="compressedPath">Compressed Path</param>
private Path(IMapContext map, IEnumerable<PathElement> compressedPath)
{
Map = map;
m_compressedPath = compressedPath.ToArray();
m_cellsPath = BuildCompletePath();
}
/// <summary>
/// Build a Path instance from the keys sent by the client
/// </summary>
/// <param name="map"></param>
/// <param name="keys"></param>
/// <returns></returns>
public static Path BuildFromClientCompressedPath(IMapContext map, IEnumerable<short> keys)
{
IEnumerable<PathElement> path = (from key in keys
let cellId = key & 4095
let direction = (DirectionsEnum)((key >> 12) & 7)
select new PathElement(map.Cells[cellId], direction));
return new Path(map, path);
}
