//Runs on Worker Thread:
public void UpdateSightSourceFov()
{
nearbyShroudsInWorkerThread = nextShrouds;
List <Vector2> inFieldOFVision = new List <Vector2>();
// Returns all shroud nodes in field of vision
for (int i = nearbyShroudsInWorkerThread.Count; i-- > 0;)
{
ShroudAction sA = new ShroudAction {
key = nearbyShroudsInWorkerThread[i], enabled = true
};
shroudStatusQueue.Enqueue(sA);
// Light close behind and around
if (Vector2.Distance(sourcePosCache, nearbyShroudsInWorkerThread[i]) < InnatePreyVision)
{
inFieldOFVision.Add(nearbyShroudsInWorkerThread[i]);
continue;
}
// In front cone
if (Vector3.Angle(
new Vector3(nearbyShroudsInWorkerThread[i].x, nearbyShroudsInWorkerThread[i].y, 0f) -
sourcePosCache, GetSightSourceDirection()) < FieldOfVision)
{
if (i < nearbyShroudsInWorkerThread.Count)
{
inFieldOFVision.Add(nearbyShroudsInWorkerThread[i]);
}
}
}
// Loop through all tiles that are nearby and are in field of vision
for (int i = inFieldOFVision.Count; i-- > 0;)
{
// There is a slight issue with linecast where objects directly diagonal to you are not hit by the cast
// and since we are standing next to the tile we should always be able to view it, lets always deactive the shroud
if (Vector2.Distance(inFieldOFVision[i], sourcePosCache) < 2)
{
ShroudAction lA = new ShroudAction {
key = inFieldOFVision[i], enabled = false
};
shroudStatusQueue.Enqueue(lA);
continue;
}
// Everything else:
// Perform a linecast to see if a wall is blocking vision of the target tile
Vector2 offsetPos = ShroudCornerOffset(Angle(((Vector2)sourcePosCache - inFieldOFVision[i]).normalized));
ShroudAction rA = new ShroudAction
{
isRayCastAction = true,
endPos = inFieldOFVision[i] += offsetPos,
offset = offsetPos
};
shroudStatusQueue.Enqueue(rA);
}
inFieldOFVision = null;
}
// This function handles every queued action on the main thread, set by the WT
private void SetShroudStatus(ShroudAction shroudAction)
{
if (shroudAction.isRayCastAction)
{
RayCastQueue(shroudAction.endPos, shroudAction.offset);
}
else if (shroudTiles.ContainsKey(shroudAction.key))
{
shroudTiles[shroudAction.key].SendMessage("SetShroudStatus", shroudAction.enabled, SendMessageOptions.DontRequireReceiver);
}
}
