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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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package jme3test.material;

import com.jme3.app.SimpleApplication;
import com.jme3.input.KeyInput;
import com.jme3.input.controls.ActionListener;
import com.jme3.input.controls.KeyTrigger;
import com.jme3.material.MatParamOverride;
import com.jme3.material.Material;
import com.jme3.math.ColorRGBA;
import com.jme3.scene.Geometry;
import com.jme3.scene.shape.Box;
import com.jme3.shader.VarType;

/**
 * Test if {@link MatParamOverride}s are working correctly.
 *
 * @author Kirill Vainer
 */
public class TestMatParamOverride extends SimpleApplication {

    private Box box = new Box(1, 1, 1);
    private MatParamOverride override = new MatParamOverride(VarType.Vector4, "Color", ColorRGBA.Yellow);

    public static void main(String[] args) {
        TestMatParamOverride app = new TestMatParamOverride();
        app.start();
    }

    private void createBox(float location, ColorRGBA color) {
        Geometry geom = new Geometry("Box", box);
        Material mat = new Material(assetManager, "Common/MatDefs/Misc/Unshaded.j3md");
        mat.setColor("Color", color);
        geom.setMaterial(mat);
        geom.move(location, 0, 0);
        rootNode.attachChild(geom);
    }

    @Override
    public void simpleInitApp() {
        inputManager.setCursorVisible(true);

        createBox(-3, ColorRGBA.Red);
        createBox(0, ColorRGBA.Green);
        createBox(3, ColorRGBA.Blue);

        inputManager.addMapping("override", new KeyTrigger(KeyInput.KEY_SPACE));
        inputManager.addListener(new ActionListener() {
            @Override
            public void onAction(String name, boolean isPressed, float tpf) {
                if (name.equals("override") && isPressed) {
                    if (!rootNode.getLocalMatParamOverrides().isEmpty()) {
                        rootNode.clearMatParamOverrides();
                    } else {
                        rootNode.addMatParamOverride(override);
                    }
                    System.out.println(rootNode.getLocalMatParamOverrides());
                }
            }
        }, "override");
    }
}