public void StopMoving()
{
nextWaypoint = null;
movementWaypoints.Clear();
stopMovingObservers?.Invoke();
navMeshAgent.ResetPath();
}
public void ProcessMovement()
{
if (nextWaypoint != null)
{
// Get the real distance between the character and its current node, and between the character and its next node
float currentNodeDistance = Vector3.Distance(node.transform.position, transform.position);
float nextWaypointDistance = Vector3.Distance(nextWaypoint.position, transform.position);
// If the character is nearer from its next node than from its current one, process the position change
if (nextWaypoint.node != node && nextWaypointDistance <= currentNodeDistance)
{
// Free the previous node
node.LeaveNode(this);
// Update the character's position
node = nextWaypoint.node;
// Reduce movement left
movementLeft = Mathf.Clamp(movementLeft - Mathf.RoundToInt(nextWaypoint.node.CostToEnter()), 0, 100);
enterNewNodeObservers?.Invoke(nextWaypoint.node.CostToEnter());
// Trigger the fact that the character entered a Node
nextWaypoint.node.EnterNode(this);
// Occupy the node
node.OccupyNode(gameObject);
}
// If the character is near enough from the waypoint to "reconsider" it (see if it should go to the next one), do it
if (nextWaypointDistance <= 0.1f)
{
// Check to see if the character should move to another waypoint
if (nextWaypoint.nextWaypoint != null)
{
nextWaypoint = nextWaypoint.nextWaypoint;
MoveToNextWaypoint();
}
// This is the final waypoint
else
{
StopMoving();
}
}
else
{
MoveToNextWaypoint();
}
}
}
// Make the character move towards a specific destination. If the character has not enough movement to reach it, it will get as near to the destination as possible
public void MoveTo(Node destination, List <Node> path)
{
// Create the variables
int movementCostSpent = 0;
MovementWaypoint previouslyCreatedWaypoint = null;
// Create the Movement Waypoints
foreach (Node pathNode in path)
{
// Make sure to not create a waypoint on the current node, and to not create more waypoints than required
if (node != pathNode && (movementCostSpent + Mathf.RoundToInt(pathNode.CostToEnter())) <= movementLeft)
{
// Create the Waypoint
MovementWaypoint createdWaypoint = new MovementWaypoint
{
node = pathNode,
position = new Vector3(pathNode.transform.position.x, 0, pathNode.transform.position.z)
};
// Set this newly created Waypoint as the last Waypoint's next Waypoint
if (previouslyCreatedWaypoint != null)
{
previouslyCreatedWaypoint.nextWaypoint = createdWaypoint;
}
// Store this Waypoint as the new "previous" one
previouslyCreatedWaypoint = createdWaypoint;
// Add this Waypoint to the list
movementWaypoints.Add(createdWaypoint);
// Update the path cost
movementCostSpent += Mathf.RoundToInt(pathNode.CostToEnter());
}
}
// If at least a waypoint has been created, set the character destination, and reduce its movement left
if (movementWaypoints.Count > 0)
{
nextWaypoint = movementWaypoints[0];
// Start moving
MoveToNextWaypoint();
}
}
