public bool GetBestPath(GameObject obj, GameTime gameTime, AStarGraph graph)
{
Stack<AStarNode> path = new Stack<AStarNode>();
Transform2DComponent transformComponent =
(Transform2DComponent)obj.GetComponent(ComponentType.Transform2D);
AStarComponent aStarComponent =
(AStarComponent)obj.GetComponent(ComponentType.AStar);
if (transformComponent == null || aStarComponent == null)
{
return false;
}
AStarNode entityNode = graph.GetClosestNode(transformComponent.GetTranslation());
aStarComponent.CurrentNode = entityNode;
AStarNode goalNode;
if (aStarComponent.Follow)
{
GameObject entity = aStarComponent.EntityToFollow;
Transform2DComponent entityTransformComponent =
(Transform2DComponent)entity.GetComponent(ComponentType.Transform2D);
aStarComponent.EntityToFollowPosBuffer = entityTransformComponent.GetTranslation();
goalNode = graph.GetClosestNode(aStarComponent.EntityToFollowPosBuffer);
}
else
{
goalNode = graph.GetClosestNode(aStarComponent.GoalPosition);
}
this.resolvePath(aStarComponent, entityNode, goalNode, graph);
return true;
}