Examples with DFSRecursiveVisitor com.fastasyncworldedit.core.function.visitor.DFSRecursiveVisitor used on opensource projects

Example 1 with DFSRecursiveVisitor

use of com.fastasyncworldedit.core.function.visitor.DFSRecursiveVisitor in project FastAsyncWorldEdit by IntellectualSites.

the class SplineBrush method build.

@Override
public void build(EditSession editSession, BlockVector3 position, Pattern pattern, double size) throws WorldEditException {
    Mask mask = editSession.getMask();
    if (mask == null) {
        mask = new IdMask(editSession);
    } else {
        mask = new MaskIntersection(mask, new IdMask(editSession));
    }
    boolean newPos = !position.equals(this.position);
    this.position = position;
    if (newPos) {
        if (positionSets.size() >= MAX_POINTS) {
            throw FaweCache.MAX_CHECKS;
        }
        final ArrayList<BlockVector3> points = new ArrayList<>();
        if (size > 0) {
            DFSRecursiveVisitor visitor = new DFSRecursiveVisitor(mask, p -> {
                points.add(p);
                return true;
            }, (int) size, 1);
            List<BlockVector3> directions = visitor.getDirections();
            for (int x = -1; x <= 1; x++) {
                for (int y = -1; y <= 1; y++) {
                    for (int z = -1; z <= 1; z++) {
                        if (x != 0 || y != 0 || z != 0) {
                            BlockVector3 pos = BlockVector3.at(x, y, z);
                            if (!directions.contains(pos)) {
                                directions.add(pos);
                            }
                        }
                    }
                }
            }
            directions.sort((o1, o2) -> (int) Math.signum(o1.lengthSq() - o2.lengthSq()));
            visitor.visit(position);
            Operations.completeBlindly(visitor);
            if (points.size() > numSplines) {
                numSplines = points.size();
            }
        } else {
            points.add(position);
        }
        this.positionSets.add(points);
        player.print(Caption.of("fawe.worldedit.brush.spline.primary.2"));
        return;
    }
    if (positionSets.size() < 2) {
        player.print(Caption.of("fawe.worldedit.brush.brush.spline.secondary.error"));
        return;
    }
    List<Vector3> centroids = new ArrayList<>();
    for (List<BlockVector3> points : positionSets) {
        centroids.add(getCentroid(points));
    }
    double tension = 0;
    double bias = 0;
    double continuity = 0;
    final List<Node> nodes = new ArrayList<>(centroids.size());
    for (Vector3 nodevector : centroids) {
        final Node n = new Node(nodevector);
        n.setTension(tension);
        n.setBias(bias);
        n.setContinuity(continuity);
        nodes.add(n);
    }
    for (int i = 0; i < numSplines; i++) {
        List<BlockVector3> currentSpline = new ArrayList<>();
        for (ArrayList<BlockVector3> points : positionSets) {
            int listSize = points.size();
            int index = (int) (i * listSize / (double) numSplines);
            currentSpline.add(points.get(index));
        }
        editSession.drawSpline(pattern, currentSpline, 0, 0, 0, 10, 0, true);
    }
    player.print(Caption.of("fawe.worldedit.brush.spline.secondary"));
    positionSets.clear();
    numSplines = 0;
}