New version of RAIN available

[christougherParticipant]

Hi, first off I realized I made a mistake, the code I’m using is from here a few posts ealier…. http://legacy.rivaltheory.com/forums/topic/walk-waypoint-network-beginner/#post-35120

But the code changes were the same… I made the changes from VectorPathNode to WaypointPathNode and now I get an out of range exception error from this line:

moveTarget.WaypointTarget = waypointSet.Waypoints[lastWaypoint];

I did a debug.log of lastWaypoint and it is oddly always returning a value of -1 although it should be a valid node number after this line:
lastWaypoint = ((WaypointPathNode)tNode.GetConnectionOut(tRandomEdge).ToNode).NodeIndex;

even though a debug.log of tNode.ConnectionsOutCount.ToString() gives me legitimate values…

I do get the warning that using NodeIndex is obsolete… is that the problem?

Thx again!

[SigilKeymaster]

Yea sorta. The waypoint class changed quite a bit. It improved in many ways (a much faster closest waypoint call, can handle very large graphs now), but the deprecation made some things a little different, and I imagine I left some things out.

Here’s an updated script that you can pull your changes from. I just updated the deprecation and changed it a bit to work with the new setup (only posting the top part as the rest is the same):

public Expression WaypointNetwork = new Expression(); //either the name of the network or a variable containing a network
public Expression MoveTargetVariable = new Expression(); //the variable you want to use for the output move target
private MoveLookTarget moveTarget = new MoveLookTarget();
private Waypoint lastWaypoint = null;
private WaypointSet lastWaypointSet = null;
public override ActionResult Execute(AI ai)
{
    if (!MoveTargetVariable.IsValid || !MoveTargetVariable.IsVariable)
        return ActionResult.FAILURE;
    WaypointSet waypointSet = GetWaypointSetFromExpression(ai);
    if (waypointSet == null)
        return ActionResult.FAILURE;
    if (waypointSet != lastWaypointSet)
    {
        lastWaypoint = null;
        lastWaypointSet = waypointSet;
    }
    if (lastWaypoint == null)
    {
        lastWaypoint = waypointSet.GetClosestWaypoint(ai.Kinematic.Position);
        if (lastWaypoint == null)
            return ActionResult.FAILURE;
        moveTarget.WaypointTarget = lastWaypoint;
        if (!ai.Motor.IsAt(moveTarget))
        {
            ai.WorkingMemory.SetItem<MoveLookTarget>(MoveTargetVariable.VariableName, moveTarget);
            return ActionResult.SUCCESS;
        }
    }
    int tNodeIndex = lastWaypoint.Set.IndexOfWaypoint(lastWaypoint);
    NavigationGraphNode tNode = waypointSet.Graph.GetNode(tNodeIndex);
    if (tNode.ConnectionsOutCount > 0)
    {
        int tRandomEdge = UnityEngine.Random.Range(0, tNode.ConnectionsOutCount);
        WaypointPathNode tRandomNode = (WaypointPathNode)tNode.GetConnectionOut(tRandomEdge).ToNode;
        lastWaypoint = tRandomNode.Waypoint;
    }
    moveTarget.WaypointTarget = lastWaypoint;
    ai.WorkingMemory.SetItem<MoveLookTarget>(MoveTargetVariable.VariableName, moveTarget);
    return ActionResult.SUCCESS;
}

[christougherParticipant]

Works!!!!! thanks sooooo much. I’ve really missed you guys lol.

But I had to change

private Waypoint lastWaypoint = null;

to

private RAIN.Navigation.Waypoints.Waypoint lastWaypoint = null;

as it was trying to use UnityEngine.Waypoint instead in Unity 5.5.0…

[TonyV125Participant]

@Prime - It looks like I’m okay now.

I usually keep my RAIN Behavior Tree editor always open in a separate window, and that separate window was failing to load the BTs and throwing the error. I tried toggling it using the menu (RAIN > Behavior Tree Editor) and a new BT Editor opened with the BTs and the existing BT Editor crashed. It was still open (just a gray box) and I couldn’t close it, but when I left the project and went back in all was good.

In 2.1.17, trying what I did above didn’t make a difference, so I wasn’t as quick to try it again. I then just had to reassign BTs to my characters.

Thanks again! And sorry for the false alarm.

[Author]

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