public void UpdateMarkerLocations()
{
// Convertion formula not required to recalculate everytime
double a_x = m_TileSize.Width * (m_Zoom + (3 / 2)) - m_TileSize.Width / 2.0;
double a_y = m_TileSize.Height * (m_Zoom + (3 / 2)) - m_TileSize.Height / 2.0;
double b_x = (192.0 / m_TileSize.Width);
double b_y = (192.0 / m_TileSize.Height);
// Update all markers
this.InvokeIfRequired(() => {
for (int i = 0; i < m_Markers.Count; i++)
{
xMapControl Marker = m_Markers.GetAt(i);
// Convertion SRCoord -> Point
SRCoord coords = ((SREntity)Marker.Tag).GetRealtimePosition();
Point location = new Point((int)Math.Round((coords.PosX - ViewPoint.PosX) / b_x + a_x), (int)Math.Round((coords.PosY - ViewPoint.PosY) / b_y * (-1) + a_y));
// Fix center
location.X -= Marker.Image.Size.Width / 2;
location.Y -= Marker.Image.Size.Height / 2;
// Update only if is required to avoid trigger repaint on control
if (Marker.Location.X != location.X && Marker.Location.Y != location.Y)
{
Marker.Location = location;
}
}
});
}
public void AddMarker(uint UniqueID, xMapControl Marker)
{
Marker.Name = this.Name + "_" + UniqueID;
this.InvokeIfRequired(() => {
Controls.Add(Marker);
Controls.SetChildIndex(Marker, 1);
m_Markers[UniqueID] = Marker;
});
}
public void RemoveMarker(uint UniqueID)
{
xMapControl Marker = m_Markers[UniqueID];
if (Marker != null)
{
this.InvokeIfRequired(() => {
this.Controls.RemoveByKey(Marker.Name);
});
this.m_Markers.RemoveKey(UniqueID);
}
}
