private ICell UpdateSelection(ICell target, Color color)
{
ICell current = Select(RayCastFromPointer());
if (current != null)
{
if (target != null)
{
target.DisableHighlight();
}
target = current;
target.EnableHighlight(color);
}
else if (target != null)
{
target.DisableHighlight();
target = null;
}
return(target);
}
public List <ICell> FindPathOnMap(ICell fromCell, ICell toCell, IMap map)
{
if (_hexMapSettings == null)
{
_hexMapSettings = GameInstances.Instance.MapSettings;
}
List <ICell> path = new List <ICell>();
_searchFrontier.Clear();
for (int i = 0; i < map.Cells.Count; i++)
{
map.Cells[i].Distance = int.MaxValue;
map.Cells[i].DisableHighlight();
map.Cells[i].UpdateLabel(string.Empty);
}
fromCell.EnableHighlight(_hexMapSettings.ColorSelectionFrom);
toCell.EnableHighlight(_hexMapSettings.ColorSelectionTo);
fromCell.Distance = 0;
_searchFrontier.Enqueue(fromCell);
while (_searchFrontier.Count > 0)
{
ICell current = _searchFrontier.Dequeue();
if (current == toCell)
{
current = current.PathFrom;
path.Add(toCell);
path.Add(toCell.PathFrom);
while (current != fromCell)
{
current.EnableHighlight(_hexMapSettings.ColorPath);
current = current.PathFrom;
path.Add(current);
}
;
int i = 0;
path.Reverse();
foreach (var item in path)
{
item.UpdateLabel(i++ + "");
}
break;
}
for (HexDirection direction = HexDirection.NE; direction <= HexDirection.NW; direction++)
{
ICell neighbor = current.GetNeighbor(direction);
if (neighbor == null)
{
continue;
}
if (!neighbor.IsWalkable)
{
continue;
}
int distance = current.Distance;
if (current.HasRoadThroughEdge(direction))
{
distance += 1;
}
else
{
distance += 10;
}
if (neighbor.Distance == int.MaxValue)
{
neighbor.Distance = distance;
neighbor.PathFrom = current;
neighbor.SearchHeuristic =
neighbor.Coordinates.DistanceTo(toCell.Coordinates);
_searchFrontier.Enqueue(neighbor);
}
else if (distance < neighbor.Distance)
{
int oldPriority = neighbor.SearchPriority;
neighbor.Distance = distance;
neighbor.PathFrom = current;
_searchFrontier.Change(neighbor, oldPriority);
}
}
}
return(map.Cells);
}
