// Add and removes references to current and neighboring sectors
// as this component moves around the world.
private void _MembershipChanged(List <SECTR_Sector> left, List <SECTR_Sector> joined)
{
// Add ref to all of the new objects first so that we don't unload and then immeditately load again.
if (joined != null)
{
int numJoined = joined.Count;
for (int sectorIndex = 0; sectorIndex < numJoined; ++sectorIndex)
{
SECTR_Sector sector = joined[sectorIndex];
if (sector && !currentSectors.Contains(sector))
{
SECTR_Graph.BreadthWalk(ref neighbors, sector, 0, MaxDepth);
int numNeighbors = neighbors.Count;
for (int neighborIndex = 0; neighborIndex < numNeighbors; ++neighborIndex)
{
SECTR_Chunk neighborChunk = neighbors[neighborIndex].Sector.GetComponent <SECTR_Chunk>();
if (neighborChunk)
{
neighborChunk.AddReference();
}
}
currentSectors.Add(sector);
}
}
}
// Dec ref any sectors we're no longer in.
if (left != null)
{
int numLeft = left.Count;
for (int sectorIndex = 0; sectorIndex < numLeft; ++sectorIndex)
{
SECTR_Sector sector = left[sectorIndex];
// We have to be careful about double-removing on shutdown b/c we don't control
// order of destruction.
if (sector && currentSectors.Contains(sector))
{
SECTR_Graph.BreadthWalk(ref neighbors, sector, 0, MaxDepth);
int numNeighbors = neighbors.Count;
for (int neighborIndex = 0; neighborIndex < numNeighbors; ++neighborIndex)
{
SECTR_Chunk neighborChunk = neighbors[neighborIndex].Sector.GetComponent <SECTR_Chunk>();
if (neighborChunk)
{
neighborChunk.RemoveReference();
}
}
currentSectors.Remove(sector);
}
}
}
}
void Update()
{
if (waypoints.Count == 0 && SECTR_Sector.All.Count > 0 && MovementSpeed > 0f)
{
SECTR_Sector goal = SECTR_Sector.All[Random.Range(0, SECTR_Sector.All.Count)];
SECTR_Graph.FindShortestPath(ref path, transform.position, goal.transform.position, SECTR_Portal.PortalFlags.Locked);
Vector3 height = Vector3.zero;
Collider myCollider = GetComponent <Collider>();
if (myCollider)
{
height.y += myCollider.bounds.extents.y;
}
waypoints.Clear();
int numNodes = path.Count;
for (int nodeIndex = 0; nodeIndex < numNodes; ++nodeIndex)
{
SECTR_Graph.Node node = path[nodeIndex];
waypoints.Add(node.Sector.transform.position + height);
if (node.Portal)
{
waypoints.Add(node.Portal.transform.position);
}
}
waypoints.Add(goal.transform.position + height);
currentWaypointIndex = 0;
}
if (waypoints.Count > 0 && MovementSpeed > 0)
{
Vector3 nextWaypoint = waypoints[currentWaypointIndex];
Vector3 vecToGoal = nextWaypoint - transform.position;
float sqrGoalDistance = vecToGoal.sqrMagnitude;
if (sqrGoalDistance > SECTR_Geometry.kVERTEX_EPSILON)
{
float distanceToGoal = Mathf.Sqrt(sqrGoalDistance);
vecToGoal /= distanceToGoal;
vecToGoal *= Mathf.Min(MovementSpeed * Time.deltaTime, distanceToGoal);
transform.position += vecToGoal;
}
else
{
++currentWaypointIndex;
if (currentWaypointIndex >= waypoints.Count)
{
waypoints.Clear();
}
}
}
}
/// Writes out the current scene's Sector/Portal graph as a .dot file
/// which can be visualized in programs like GraphVis and the like.
public static void WriteGraphDot()
{
if (!string.IsNullOrEmpty(EditorApplication.currentScene))
{
string sceneDir;
string sceneName;
SECTR_Asset.GetCurrentSceneParts(out sceneDir, out sceneName);
sceneName = sceneName.Replace(".unity", "");
string graphFile = SECTR_Graph.GetGraphAsDot(sceneName);
string path = sceneDir + sceneName + "_SECTR_Graph.dot";
File.WriteAllText(SECTR_Asset.UnityToOSPath(path), graphFile);
AssetDatabase.Refresh();
Selection.activeObject = AssetDatabase.LoadMainAssetAtPath(path);
EditorUtility.FocusProjectWindow();
}
}
