/// <summary>
/// See <see cref="BaseGraphSearchPathfinder{TNode,TMap}.OnPerformAlgorithm"/> for more details.
/// </summary>
protected override void OnPerformAlgorithm(AStarNode currentNode, AStarNode neighborNode, Point neighborPoint, Point endPoint, StopFunction stopFunction)
{
Point jumpPoint;
if (TryJump(neighborPoint, currentNode.Point, endPoint, stopFunction, out jumpPoint))
{
AStarNode jumpNode = Map[jumpPoint.X, jumpPoint.Y];
int distance = HeuristicHelper.FastEuclideanDistance(currentNode.Point, jumpPoint);
int jumpScore = currentNode.Score + distance;
if (jumpNode == null)
{
Map.OpenNode(jumpPoint, currentNode, jumpScore, jumpScore + HeuristicHelper.FastEuclideanDistance(jumpPoint, endPoint));
}
else if (jumpScore < jumpNode.Score)
{
if (jumpNode.IsClosed)
{
return;
}
jumpNode.Update(jumpScore, jumpScore + HeuristicHelper.FastEuclideanDistance(jumpPoint, endPoint), currentNode);
}
}
}
/// <summary>
/// See <see cref="BaseGraphSearchPathfinder{TNode,TMap}.OnPerformAlgorithm"/> for more details.
/// </summary>
protected override void OnPerformAlgorithm(DijkstraNode currentNode, DijkstraNode neighborNode, Point neighborPoint, Point endPoint, StopFunction stopFunction)
{
int neighborScore = HeuristicHelper.FastEuclideanDistance(neighborPoint, endPoint);
if (neighborNode == null)
{
Map.OpenNode(neighborPoint, currentNode, neighborScore);
}
else if (neighborScore < neighborNode.Score)
{
neighborNode.Update(neighborScore, currentNode);
}
}
/// <summary>
/// See <see cref="BaseGraphSearchPathfinder{TNode,TMap}.OnPerformAlgorithm"/> for more details.
/// </summary>
protected override void OnPerformAlgorithm(AStarNode currentNode, AStarNode neighborNode, Vector2 neighborPosition, Vector2 endPosition, StopFunction <Vector2> stopFunction)
{
Int32 neighborScore = currentNode.Score + GetNeighborDistance(currentNode.Value, neighborPosition);
// opens node at this position
if (neighborNode == null)
{
Map.OpenNode(neighborPosition, currentNode, neighborScore, neighborScore + HeuristicHelper.FastEuclideanDistance(neighborPosition, endPosition));
}
else if (neighborScore < neighborNode.Score)
{
neighborNode.Update(neighborScore, neighborScore + HeuristicHelper.FastEuclideanDistance(neighborPosition, endPosition), currentNode);
}
}
/// <summary>
/// See <see cref="BaseGraphSearchPathfinder{TNode,TMap}.OnPerformAlgorithm"/> for more details.
/// </summary>
protected override void OnPerformAlgorithm(AStarNode currentNode, AStarNode neighborNode, Point neighborPoint, Point endPoint, StopFunction stopFunction)
{
int neighborScore = currentNode.Score + NeighborDistance(currentNode.Point, neighborPoint);
// opens node at this position
if (neighborNode == null)
{
Map.OpenNode(neighborPoint, currentNode, neighborScore, neighborScore + HeuristicHelper.FastEuclideanDistance(neighborPoint, endPoint));
}
else if (neighborScore < neighborNode.Score)
{
neighborNode.Update(neighborScore, neighborScore + HeuristicHelper.FastEuclideanDistance(neighborPoint, endPoint), currentNode);
}
}
/// <summary>
/// See <see cref="BaseGraphSearchMap{TNode}.OnCreateFirstNode"/> for more details.
/// </summary>
protected override AStarNode OnCreateFirstNode(Vector2 startPosition, Vector2 endPosition)
{
return(new AStarNode(startPosition, null, 0, HeuristicHelper.FastEuclideanDistance(startPosition, endPosition)));
}
/// <summary>
/// See <see cref="BaseGraphSearchMap{TNode}.OnCreateFirstNode"/> for more details.
/// </summary>
protected override AStarNode OnCreateFirstNode(Point startPoint, Point endPoint)
{
return(new AStarNode(startPoint, null, 0, HeuristicHelper.FastEuclideanDistance(startPoint, endPoint)));
}