XFEEDToolBox

using XFEEDToolBox.Core.Galaxy;
using XFEEDToolBox.Core.Navigation;

namespace XFEEDToolBox.ViewModels;
public partial class ToolboxViewModel
{
    private GalaxyRouteChoicesSourceKey? galaxyRouteChoicesSource;
    public string GalaxyRouteChoicesSourceKey=>galaxyRouteChoicesSource?.ToString()??"";
    private void ResetGalaxyCurrentRouteChoices()
    {
        if(galaxyRouteChoicesSource is null)return;
        galaxyRouteChoicesSource=null;OnPropertyChanged(nameof(GalaxyRouteChoicesSourceKey));
        var next=GalaxyCurrentRouteChoices.ClearLive(GalaxyFilter);if(!ReferenceEquals(next,GalaxyFilter))GalaxyFilter=next;
    }
    private void MergeGalaxyCurrentRouteChoices(NativeGalaxyCatalog catalog,long epoch,GalaxyCurrentRouteChoices? choices)
    {
        if(epoch!=Volatile.Read(ref galaxySourceEpoch)||!ReferenceEquals(catalog,nativeGalaxy)||galaxyStreamSource!=catalog.ProcessId||
           !CurrentPlayer.InGame||NavigationActive||runtime.FlightDriver is not NativeFlightControlDriver driver||driver.ProcessId!=catalog.ProcessId||
           choices is not null&&choices.ContextSystemAddress!=CurrentPlayer.Navigation.CurrentSystemAddress)return;
        if(!catalog.SupportsRouteFilterChoices||choices is null){ResetGalaxyCurrentRouteChoices();return;}
        var key=new GalaxyRouteChoicesSourceKey(catalog.ProcessId,epoch,choices.ContextSystemAddress);
        if(galaxyRouteChoicesSource!=key){galaxyRouteChoicesSource=key;OnPropertyChanged(nameof(GalaxyRouteChoicesSourceKey));}
        // Captured ticks and source epoch metadata are kept outside the Filter
        // record. Identical rows do not restart view/cell/query lifetimes.
        var next=choices.MergeInto(GalaxyFilter);if(!ReferenceEquals(next,GalaxyFilter))GalaxyFilter=next;
    }
}