/*
 * $Id$
 *
 * Copyright (c) 2013-2013 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 gems;

import com.jme3.app.Application;
import com.jme3.input.KeyInput;
import com.simsilica.lemur.GuiGlobals;
import com.simsilica.lemur.event.BaseAppState;
import com.simsilica.lemur.input.FunctionId;
import com.simsilica.lemur.input.InputMapper;


/**
 *  Toggles the CameraMovementState on and off with the space bar
 *  or other configured key combination.
 *  
 *  @author    Paul Speed
 */
public class CameraToggleState extends BaseAppState {

    public static final FunctionId F_CAMERA_TOGGLE = new FunctionId("Camera Toggle"); 

    private InputMapper inputMapper;

    public CameraToggleState() {
    }
    
    public void toggleCamera() {
        CameraMovementState state = getState(CameraMovementState.class);
        state.setEnabled(!state.isEnabled());
    }

    @Override
    protected void initialize(Application app) {
        
        // Setup the input mappings configured in the constructor
        inputMapper = GuiGlobals.getInstance().getInputMapper();
 
        // Map the space bar to our function
        inputMapper.map(F_CAMERA_TOGGLE, KeyInput.KEY_SPACE);
    }

    @Override
    protected void cleanup(Application app) {
    }

    @Override
    protected void enable() {
        // Register ourselves to be called when the function is triggered
        inputMapper.addDelegate(F_CAMERA_TOGGLE, this, "toggleCamera");
    }

    @Override
    protected void disable() {
        inputMapper.removeDelegate(F_CAMERA_TOGGLE, this, "toggleCamera");
    }
}
