private List <Point> GetPath(uint mapId, Difficulty difficulty, Area area, AreaMap map, MovementMode movementMode, Point fromLocation, Point toLocation)
{
if (!map.TryMapToPointInMap(fromLocation, out var fromPosition) || !map.TryMapToPointInMap(toLocation, out var toPosition))
{
return(new List <Point>());
}
if (movementMode == MovementMode.Teleport)
{
var teleportPath = new TeleportPather(map);
var path = teleportPath.GetTeleportPath(fromLocation - map.LevelOrigin, toLocation - map.LevelOrigin);
if (path.Found)
{
return(path.Points.Select(p => map.LevelOrigin + p).Skip(1).ToList());
}
}
else
{
var grid = _cache.GetOrCreate <Grid>(Tuple.Create("pathing", mapId, difficulty, area), (cacheEntry) =>
{
cacheEntry.SlidingExpiration = TimeSpan.FromMinutes(2);
return(map.MapToGrid());
});
var pathFinder = new PathFinder();
var fromGridPosition = new GridPosition(fromPosition.X, fromPosition.Y);
var toGridPosition = new GridPosition(toPosition.X, toPosition.Y);
var path = pathFinder.FindPath(fromGridPosition, toGridPosition, grid);
var endPosition = path.Edges.LastOrDefault()?.End.Position;
if (endPosition.HasValue && map.MapToPoint(endPosition.Value) == toLocation)
{
return(path.Edges.Where((p, i) => i % 3 == 0 || i == path.Edges.Count - 1).Select(e => map.MapToPoint(e.End.Position)).ToList());
}
}
return(new List <Point>());
}
