private PathNode getPathNodeOfNearest(int startX, int startY, IGridObjectType gridObjectType)
{
PathNode startNode = grid.GetGridObject(startX, startY);
if (startNode == null)
{
// Invalid Path
return(null);
}
openList = new List <PathNode> {
startNode
};
closedList = new List <PathNode>();
while (openList.Count > 0)
{
PathNode currentNode = GetLowestFCostNode(openList);
openList.Remove(currentNode);
closedList.Add(currentNode);
if (currentNode.referenceToObjects.Exists(referenceToObject =>
referenceToObject.gridObjectType.Equals(gridObjectType)))
{
return(currentNode);
}
foreach (PathNode neighbourNode in GetNeighbourList(currentNode))
{
if (closedList.Contains(neighbourNode))
{
continue;
}
if (!neighbourNode.isWalkable && !neighbourNode.referenceToObjects.Exists(referenceToObject =>
referenceToObject.gridObjectType.Equals(gridObjectType)))
{
closedList.Add(neighbourNode);
continue;
}
if (!openList.Contains(neighbourNode))
{
openList.Add(neighbourNode);
}
}
}
// Out of nodes on the openList
return(null);
}
public static PathInProgress setPathToNearest(int2 start, IGridObjectType gridObjectType, Pathfinding pathfinding)
{
List <Vector3> pathVectorList;
MonoBehaviour objectController;
pathfinding.FindPathToNearest(start.x, start.y, gridObjectType, out pathVectorList, out objectController);
if (pathVectorList != null && pathVectorList.Count > 1)
{
pathVectorList.RemoveAt(0);
}
return(new PathInProgress(0, pathVectorList, objectController));
}
public void FindPathToNearest(int startX, int startY, IGridObjectType gridObjectType, out List <Vector3> vectorPath,
out MonoBehaviour monoBehaviour)
{
var pathNodeOfNearest = getPathNodeOfNearest(startX, startY, gridObjectType);
if (pathNodeOfNearest != null)
{
vectorPath = FindPath(startX, startY, pathNodeOfNearest.x, pathNodeOfNearest.y);
monoBehaviour = pathNodeOfNearest.referenceToObjects
.Find(referenceToObject => referenceToObject.gridObjectType.Equals(gridObjectType)).objectController;
}
else
{
vectorPath = null;
monoBehaviour = null;
}
}
public PathInProgress calculatePathToNearest(int2 start, IGridObjectType gridObjectType)
{
var pathfinding = new Pathfinding(width, height, cellSize, grid);
return(PathInProgress.setPathToNearest(start, gridObjectType, pathfinding));
}
public MonoBehaviour getIfInRange(IGridObjectType gridObject)
{
var pathInProgress = goToNearest(gridObject);
return(isInRange(pathInProgress) ? pathInProgress.destinationobj : null);
}
public PathInProgress goToNearest(IGridObjectType gridObjectType)
{
var start = getPosition();
return(gameSceneController.grid.calculatePathToNearest(start, gridObjectType));
}
public ReferenceToObject(IGridObjectType gridObjectType, MonoBehaviour objectController)
{
this.gridObjectType = gridObjectType;
this.objectController = objectController;
}
