Example usage for com.badlogic.gdx.ai.btree Task getChild

Introduction

In this page you can find the example usage for com.badlogic.gdx.ai.btree Task getChild.

Prototype

public Task<E> getChild(int i) 

Source Link

Document

Returns the child at the given index.

Usage

From source file:com.badlogic.gdx.ai.tests.BehaviorTreeViewer.java

License:Apache License

@Override
public void create() {
    step = 0;// w  w  w . java2  s .c  o m
    taskNodes = new ObjectMap<Task<Dog>, TaskNode>();
    BehaviorTreeParser<Dog> parser = new BehaviorTreeParser<Dog>(BehaviorTreeParser.DEBUG_NONE);
    BehaviorTree<Dog> tree = parser.parse(Gdx.files.internal("data/dog.tree"), null);
    dog = new Dog("Dog 1", tree);
    tree.addListener(new BehaviorTree.Listener<Dog>() {
        @Override
        public void statusUpdated(Task<Dog> task, Task.Status previousStatus) {
            TaskNode tn = taskNodes.get(task);
            tn.updateStatus(previousStatus, step);
        }

        @Override
        public void childAdded(Task<Dog> task, int index) {
            TaskNode parentNode = taskNodes.get(task);
            Task<Dog> child = task.getChild(index);
            addToTree(displayTree, parentNode, child, null, 0);
            displayTree.expandAll();
        }
    });
    KryoUtils.initKryo();
    skin = new Skin(Gdx.files.internal("data/uiskin.json"));

    treeStatus = SUSPENDED;

    runDelaySlider = new Slider(0, 5, 0.01f, false, skin);
    runDelaySlider.setValue(.5f);

    runButton = new TextButton("Run", skin);

    stepButton = new TextButton("Step", skin);

    loadButton = new TextButton("Load", skin);
    loadButton.setDisabled(true);

    saveButton = new TextButton("Save", skin);

    stepLabel = new Label(new StringBuilder(LABEL_STEP + step), skin);

    stage = new Stage(new ScreenViewport());

    Table table = new Table();
    table.row().height(20).fillX();
    table.add(runDelaySlider);
    table.add(runButton);
    table.add(stepButton);
    table.add(saveButton);
    table.add(loadButton);
    table.add(stepLabel);
    table.row();
    displayTree = new Tree(skin);

    redrawTree();

    table.add(displayTree).colspan(3).fillX().fillY().expand(true, true);

    stage.addActor(table);
    table.setFillParent(true);

    saveButton.addListener(new ChangeListener() {
        @Override
        public void changed(ChangeEvent event, Actor actor) {
            save();
            saved = true;
            loadButton.setDisabled(false);
        }
    });

    loadButton.addListener(new ChangeListener() {
        @Override
        public void changed(ChangeEvent event, Actor actor) {
            load();
        }
    });

    stepButton.addListener(new ChangeListener() {
        @Override
        public void changed(ChangeEvent event, Actor actor) {
            treeStatus = STEP; // step();
        }
    });

    runButton.addListener(new ChangeListener() {
        @Override
        public void changed(ChangeEvent event, Actor actor) {
            if (treeStatus == SUSPENDED) {
                treeStatus = RUNNING;
                delay = runDelaySlider.getValue(); // this makes it start immediately
                runButton.setText("Suspend");
                stepButton.setDisabled(true);
                saveButton.setDisabled(true);
                loadButton.setDisabled(true);
            } else {
                treeStatus = SUSPENDED;
                runButton.setText("Run");
                stepButton.setDisabled(false);
                saveButton.setDisabled(false);
                loadButton.setDisabled(!saved);
            }
        }
    });

    Gdx.input.setInputProcessor(stage);

    setScreen(this);
}

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From source file:com.badlogic.gdx.ai.tests.BehaviorTreeViewer.java

License:Apache License

private void addToTree(Tree displayTree, TaskNode parentNode, Task<Dog> task, IntArray taskSteps,
        int taskStepIndex) {
    TaskNode node = new TaskNode(task, taskSteps == null ? step - 1 : taskSteps.get(taskStepIndex), skin);
    taskNodes.put(task, node);/*from   w  w  w. ja v  a2s .c o m*/
    if (parentNode == null) {
        displayTree.add(node);
    } else {
        parentNode.add(node);
    }
    for (int i = 0; i < task.getChildCount(); i++) {
        Task<Dog> child = task.getChild(i);
        addToTree(displayTree, node, child, taskSteps, taskStepIndex + 1);
    }
}

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From source file:com.badlogic.gdx.ai.tests.btree.BehaviorTreeViewer.java

License:Apache License

public BehaviorTreeViewer(BehaviorTree<E> tree, boolean loadAndSave, Skin skin) {
    super(skin);/* www  .j av  a2  s.  c o  m*/
    this.tree = tree;
    step = 0;
    taskNodes = new ObjectMap<Task<E>, TaskNode>();
    tree.addListener(new BehaviorTree.Listener<E>() {
        @Override
        public void statusUpdated(Task<E> task, Task.Status previousStatus) {
            TaskNode tn = taskNodes.get(task);
            if (tn != null)
                tn.updateStatus(previousStatus, step);
        }

        @Override
        public void childAdded(Task<E> task, int index) {
            TaskNode parentNode = taskNodes.get(task);
            Task<E> child = task.getChild(index);
            addToTree(displayTree, parentNode, child, null, 0);
            displayTree.expandAll();
        }
    });

    treeStatus = BT_SUSPENDED;

    runDelaySlider = new Slider(0, 5, 0.01f, false, skin);
    runDelaySlider.setValue(.5f);

    runButton = new TextButton("Run", skin);
    runButton.addListener(new ChangeListener() {
        @Override
        public void changed(ChangeEvent event, Actor actor) {
            if (treeStatus == BT_SUSPENDED) {
                treeStatus = BT_RUNNING;
                runDelayAccumulator = runDelaySlider.getValue(); // this makes it start immediately
                runButton.setText("Suspend");
                stepButton.setDisabled(true);
                if (saveButton != null)
                    saveButton.setDisabled(true);
                if (loadButton != null)
                    loadButton.setDisabled(true);
            } else {
                treeStatus = BT_SUSPENDED;
                runButton.setText("Run");
                stepButton.setDisabled(false);
                if (saveButton != null)
                    saveButton.setDisabled(false);
                if (loadButton != null)
                    loadButton.setDisabled(!saved);
            }
        }
    });

    stepButton = new TextButton("Step", skin);
    stepButton.addListener(new ChangeListener() {
        @Override
        public void changed(ChangeEvent event, Actor actor) {
            treeStatus = BT_STEP;
        }
    });

    resetButton = new TextButton("Reset", skin);
    resetButton.addListener(new ChangeListener() {
        @Override
        public void changed(ChangeEvent event, Actor actor) {
            BehaviorTreeViewer.this.tree.reset();
            rebuildDisplayTree();
        }
    });

    if (loadAndSave) {
        loadButton = new TextButton("Load", skin);
        loadButton.setDisabled(true);
        loadButton.addListener(new ChangeListener() {
            @Override
            public void changed(ChangeEvent event, Actor actor) {
                load();
            }
        });

        saveButton = new TextButton("Save", skin);
        saveButton.addListener(new ChangeListener() {
            @Override
            public void changed(ChangeEvent event, Actor actor) {
                save();
                saved = true;
                loadButton.setDisabled(false);
            }
        });
    }

    stepLabel = new Label(new StringBuilder(LABEL_STEP + step), skin);

    this.row().height(26).fillX();
    this.add(runDelaySlider);
    this.add(runButton);
    this.add(stepButton);
    this.add(resetButton);
    if (loadAndSave) {
        this.add(saveButton);
        this.add(loadButton);
    }
    this.add(stepLabel);
    this.row();
    displayTree = new Tree(skin);

    rebuildDisplayTree();

    this.add(displayTree).colspan(5 + (loadAndSave ? 2 : 0)).grow();
}

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From source file:com.badlogic.gdx.ai.tests.btree.BehaviorTreeViewer.java

License:Apache License

private int addToTree(Tree displayTree, TaskNode parentNode, Task<E> task, IntArray taskSteps,
        int taskStepIndex) {
    TaskNode node = new TaskNode(task, this, taskSteps == null ? step - 1 : taskSteps.get(taskStepIndex),
            getSkin());/*from  w w w  .j  a  v a 2 s.  co m*/
    taskNodes.put(task, node);
    if (parentNode == null) {
        displayTree.add(node);
    } else {
        parentNode.add(node);
    }
    taskStepIndex++;
    for (int i = 0; i < task.getChildCount(); i++) {
        Task<E> child = task.getChild(i);
        taskStepIndex = addToTree(displayTree, node, child, taskSteps, taskStepIndex);
    }
    return taskStepIndex;
}

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