/// <summary>
/// Determines whether the entety can continue moving.
/// </summary>
/// <param name="direction"></param>
/// <param name="ignoreIgnores">Whether or not nodes with the flag 'ignore' should be ignored, ignoreIgnores = true > no such nodes will be used.</param>
/// <returns>Whether it can move</returns>
public bool PlaceFree(Directions direction, bool ignoreIgnores)
{
bool placeFree = false;
//Looks whether the node it last passed is connected to a node in the direction pacman is moving at. This will be always true on a path, but once it reaches a new node, it might no longer be true, and pacman would stop there.
for (int i = 0; i < lastNode.neighbourDirections.Length; i++)
{
if (lastNode.neighbourDirections[i] == direction)
{
if (!ignoreIgnores)
{
placeFree = true;
transform.rotation = Quaternion.identity;
this.direction = (lastNode.trueNeighbourDirections[i] - 90) / -180 * Mathf.PI;
transform.Rotate(new Vector3(0, 0, -(lastNode.trueNeighbourDirections[i] - 90)));
break;
}
if (ignoreIgnores)
{
if (!lastNode.neighbours[i].GetComponent <NodeScript>().ignore)
{
placeFree = true;
transform.rotation = Quaternion.identity;
this.direction = (lastNode.trueNeighbourDirections[i] - 90) / -180 * Mathf.PI;
transform.Rotate(new Vector3(0, 0, -(lastNode.trueNeighbourDirections[i] - 90)));
break;
}
}
}
}
if (nextNode != null && !placeFree) //nextnode is null if the player is not moving.
{
//to turn directions midway the line, look at the neighbour in the direction of current movement attached to the lastnode.
if (nextNode.GetComponent <NodeScript>().GetReturnPathDirection(lastNode) != Directions.None)
{
if (nextNode.GetComponent <NodeScript>().GetReturnPathDirection(lastNode) == direction)
{
for (int i = 0; i < nextNode.neighbourDirections.Length; i++)
{
if (nextNode.neighbourDirections[i] == direction)//if multiple paths have the same diretion, too bad
{
if (ignoreIgnores)
{
if (!nextNode.neighbours[i].GetComponent <NodeScript>().ignore)
{
placeFree = true;
transform.rotation = Quaternion.identity;
this.direction = (nextNode.trueNeighbourDirections[i] - 90) / 180 * Mathf.PI;
transform.Rotate(new Vector3(0, 0, -(nextNode.trueNeighbourDirections[i] - 90)));
break;
}
}
if (!ignoreIgnores)
{
placeFree = true;
transform.rotation = Quaternion.identity;
this.direction = (nextNode.trueNeighbourDirections[i] - 90) / 180 * Mathf.PI;
transform.Rotate(new Vector3(0, 0, -(nextNode.trueNeighbourDirections[i] - 90)));
break;
}
}
}
}
}
}
if (!placeFree)//the player cannot move, and thus won't, hence no next node the player is heading to.
{
nextNode = null;
}
return(placeFree);
}