Example usage for com.badlogic.gdx.ai.pfa GraphPath getCount

Introduction

In this page you can find the example usage for com.badlogic.gdx.ai.pfa GraphPath getCount.

Prototype

public int getCount();

Source Link

Document

Returns the number of items of this path.

Usage

From source file:com.v5ent.game.pfa.MyPathSmoother.java

License:Apache License

/** Smoothes the given path in place.
 * @param outPath the path to smooth/*from  w  w w  .j av  a  2 s  .  c om*/
 * @return the number of nodes removed from the path. */
public int smoothPath(GraphPath<MyNode> outPath) {
    int inputPathLength = outPath.getCount();

    // If the path is two nodes long or less, then we can't smooth it
    if (inputPathLength <= 2)
        return 0;

    // Make sure the ray is instantiated
    if (this.ray == null) {
        this.ray = new MyRay(outPath.get(0), outPath.get(0));
    }

    // Keep track of where we are in the smoothed path.
    // We start at 1, because we must always include the start node in the smoothed path.
    int outputIndex = 1;

    // Keep track of where we are in the input path
    // We start at 2, because we assume two adjacent
    // nodes will pass the ray cast
    int inputIndex = 2;

    // Loop until we find the last item in the input
    while (inputIndex < inputPathLength) {
        // Set the ray
        ray.start = (outPath.get(outputIndex - 1));
        ray.end = (outPath.get(inputIndex));

        // Do the ray cast
        boolean collides = raycastCollisionDetector.collides(ray);

        if (collides) {
            // The ray test failed, swap nodes and consider the next output node
            outPath.swapNodes(outputIndex, inputIndex - 1);
            outputIndex++;
        }

        // Consider the next input node
        inputIndex++;
    }

    // Reached the last input node, always add it to the smoothed path.
    outPath.swapNodes(outputIndex, inputIndex - 1);
    outPath.truncatePath(outputIndex + 1);

    // Return the number of removed nodes
    return inputIndex - outputIndex - 1;
}

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From source file:toniarts.openkeeper.world.creature.CreatureControl.java

License:Open Source License

public void navigateToRandomPoint() {
    Point p = worldState.findRandomAccessibleTile(
            worldState.getTileCoordinates(getSpatial().getWorldTranslation()), 10, creature);
    if (p != null) {
        GraphPath<TileData> outPath = worldState
                .findPath(worldState.getTileCoordinates(getSpatial().getWorldTranslation()), p, creature);

        if (outPath != null && outPath.getCount() > 1) {

            // Debug
            //                worldHandler.drawPath(new LinePath<>(pathToArray(outPath)));
            PrioritySteering<Vector2> prioritySteering = new PrioritySteering(this, 0.0001f);
            FollowPath<Vector2, LinePathParam> followPath = new FollowPath(this,
                    new LinePath<>(pathToArray(outPath), true), 2);
            followPath.setDecelerationRadius(1f);
            followPath.setArrivalTolerance(0.2f);
            prioritySteering.add(followPath);

            prioritySteering.setEnabled(!isAnimationPlaying());
            setSteeringBehavior(prioritySteering);
        }/* w w  w.  ja va 2s.  c o  m*/
    }
}

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From source file:toniarts.openkeeper.world.creature.CreatureControl.java

License:Open Source License

private Array<Vector2> pathToArray(GraphPath<TileData> outPath) {
    Array<Vector2> path = new Array<>(outPath.getCount());
    for (TileData tile : outPath) {
        path.add(new Vector2(tile.getX() - 0.5f, tile.getY() - 0.5f));
    }/*from w ww .ja va  2  s  . c  o  m*/
    return path;
}

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From source file:toniarts.openkeeper.world.creature.CreatureControl.java

License:Open Source License

public void navigateToAssignedTask() {

    Vector2f loc = assignedTask.getTarget(this);
    if (loc != null) {
        GraphPath<TileData> outPath = worldState.findPath(
                worldState.getTileCoordinates(getSpatial().getWorldTranslation()),
                new Point((int) Math.floor(loc.x), (int) Math.floor(loc.y)), creature);

        if (outPath != null && outPath.getCount() > 1) {

            // Debug
            //                worldHandler.drawPath(new LinePath<>(pathToArray(outPath)));
            PrioritySteering<Vector2> prioritySteering = new PrioritySteering(this, 0.0001f);
            FollowPath<Vector2, LinePathParam> followPath = new FollowPath(this,
                    new LinePath<>(pathToArray(outPath), true), 2);
            followPath.setDecelerationRadius(1f);
            followPath.setArrivalTolerance(0.2f);
            prioritySteering.add(followPath);

            prioritySteering.setEnabled(!isAnimationPlaying());
            setSteeringBehavior(prioritySteering);
        }/*ww  w . j  av a2s  . c  o  m*/
    }
}

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