jmonkeyengine/sdk/jme3-scenecomposer/src/com/jme3/gde/scenecomposer/ComposerCameraController.java

/*
 *  Copyright (c) 2009-2010 jMonkeyEngine
 *  All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 * 
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 
 *  * Neither the name of 'jMonkeyEngine' nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 * 
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 *  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jme3.gde.scenecomposer;

import com.jme3.collision.CollisionResult;
import com.jme3.collision.CollisionResults;
import com.jme3.gde.core.scene.SceneApplication;
import com.jme3.gde.core.scene.controller.AbstractCameraController;
import com.jme3.gde.core.sceneexplorer.nodes.JmeNode;
import com.jme3.input.KeyInput;
import com.jme3.input.event.KeyInputEvent;
import com.jme3.math.Ray;
import com.jme3.math.Vector2f;
import com.jme3.math.Vector3f;
import com.jme3.renderer.Camera;
import com.jme3.scene.Node;

/**
 *
 * @author normenhansen
 */
public class ComposerCameraController extends AbstractCameraController {

    private Node rootNode;
    private JmeNode jmeRootNode;
    private SceneComposerToolController toolController;
    private boolean forceCameraControls = false; // when user holds shift, this is true

    public ComposerCameraController(Camera cam, JmeNode rootNode) {
        super(cam, SceneApplication.getApplication().getInputManager());
        this.jmeRootNode = rootNode;
        this.rootNode = rootNode.getLookup().lookup(Node.class);
    }

    private boolean isEditButtonEnabled() {
        return toolController.isEditToolEnabled();
    }

    public void setToolController(SceneComposerToolController toolController) {
        this.toolController = toolController;
    }
    
    public boolean isToolUsesCameraControls() {
        return !toolController.isOverrideCameraControl();
    }
    
    public Camera getCamera() {
        return cam;
    }
    
    @Override
    public void onKeyEvent(KeyInputEvent kie) {
        if (kie.isPressed()) {
            if ( KeyInput.KEY_LSHIFT == kie.getKeyCode() ) {
                forceCameraControls = true;
            }
        } else if (kie.isReleased()){
            if ( KeyInput.KEY_LSHIFT == kie.getKeyCode() ) {
                forceCameraControls = false;
            }
        }
    }
    
    @Override
    public void checkClick(int button, boolean pressed) {
        if (button == 0) {
            if (isEditButtonEnabled() && !forceCameraControls) {
                toolController.doEditToolActivatedPrimary(new Vector2f(mouseX,mouseY), pressed, cam);
            }
        }
        if (button == 1) {
            if (isEditButtonEnabled() && !forceCameraControls) {
                toolController.doEditToolActivatedSecondary(new Vector2f(mouseX,mouseY), pressed, cam);
            }
        }
    }
    
    @Override
    protected void checkDragged(int button, boolean pressed) {
        if (button == 0)
            toolController.doEditToolDraggedPrimary(new Vector2f(mouseX, mouseY), pressed, cam);
        else if (button == 1)
            toolController.doEditToolDraggedSecondary(new Vector2f(mouseX, mouseY), pressed, cam);
    }
    
    @Override
    protected void checkMoved() {
        toolController.doEditToolMoved(new Vector2f(mouseX, mouseY), cam);
    }
    
    @Override
    public void onAnalog(String string, float f1, float f) {
        if ("MouseAxisX".equals(string)) {
            moved = true;
            movedR = true;
            if (isToolUsesCameraControls() || forceCameraControls) {
                if (buttonDownL) {
                    rotateCamera(Vector3f.UNIT_Y, -f1 * 2.5f);
                }
                if (buttonDownR) {
                    panCamera(f1 * 2.5f, 0);
                }
            }
        } else if ("MouseAxisY".equals(string)) {
            moved = true;
            movedR = true;
            if (isToolUsesCameraControls() || forceCameraControls) {
                if (buttonDownL) {
                    rotateCamera(cam.getLeft(), -f1 * 2.5f);
                }
                if (buttonDownR) {
                    panCamera(0, -f1 * 2.5f);
                }
            }
        } else if ("MouseAxisX-".equals(string)) {
            moved = true;
            movedR = true;
            if (isToolUsesCameraControls() || forceCameraControls) {
                if (buttonDownL) {
                    rotateCamera(Vector3f.UNIT_Y, f1 * 2.5f);
                }
                if (buttonDownR) {
                    panCamera(-f1 * 2.5f, 0);
                }
            }
        } else if ("MouseAxisY-".equals(string)) {
            moved = true;
            movedR = true;
            if (isToolUsesCameraControls() || forceCameraControls) {
                if (buttonDownL) {
                    rotateCamera(cam.getLeft(), f1 * 2.5f);
                }
                if (buttonDownR) {
                    panCamera(0, f1 * 2.5f);
                }
            }
        } else if ("MouseWheel".equals(string)) {
            zoomCamera(.1f);
        } else if ("MouseWheel-".equals(string)) {
            zoomCamera(-.1f);
        }
    }
    
   
}