diff --git a/engine/src/core/com/jme3/app/FlyCamAppState.java b/engine/src/core/com/jme3/app/FlyCamAppState.java new file mode 100644 index 000000000..5a7b11e95 --- /dev/null +++ b/engine/src/core/com/jme3/app/FlyCamAppState.java @@ -0,0 +1,94 @@ +/* + * Copyright (c) 2009-2012 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.app; + +import com.jme3.app.state.AbstractAppState; +import com.jme3.app.state.AppStateManager; +import com.jme3.input.FlyByCamera; + + +/** + * Manages a FlyByCamera. + * + * @author Paul Speed + */ +public class FlyCamAppState extends AbstractAppState { + + private Application app; + private FlyByCamera flyCam; + + public FlyCamAppState() { + } + + /** + * This is called by SimpleApplication during initialize(). + */ + void setCamera( FlyByCamera cam ) { + this.flyCam = cam; + } + + public FlyByCamera getCamera() { + return flyCam; + } + + @Override + public void initialize(AppStateManager stateManager, Application app) { + super.initialize(stateManager, app); + + this.app = app; + + if (app.getInputManager() != null) { + + if (flyCam == null) { + flyCam = new FlyByCamera(app.getCamera()); + } + + flyCam.registerWithInput(app.getInputManager()); + } + } + + @Override + public void setEnabled(boolean enabled) { + super.setEnabled(enabled); + + flyCam.setEnabled(enabled); + } + + @Override + public void cleanup() { + super.cleanup(); + + flyCam.unregisterInput(); + } + + +} diff --git a/engine/src/core/com/jme3/app/SimpleApplication.java b/engine/src/core/com/jme3/app/SimpleApplication.java index e296abb3e..b356036b9 100644 --- a/engine/src/core/com/jme3/app/SimpleApplication.java +++ b/engine/src/core/com/jme3/app/SimpleApplication.java @@ -108,7 +108,7 @@ public abstract class SimpleApplication extends Application { } public SimpleApplication() { - this( new StatsAppState() ); + this( new StatsAppState(), new FlyCamAppState() ); } public SimpleApplication( AppState... initialStates ) { @@ -189,9 +189,16 @@ public abstract class SimpleApplication extends Application { guiViewPort.attachScene(guiNode); if (inputManager != null) { - flyCam = new FlyByCamera(cam); - flyCam.setMoveSpeed(1f); - flyCam.registerWithInput(inputManager); + + // We have to special-case the FlyCamAppState because too + // many SimpleApplication subclasses expect it to exist in + // simpleInit(). But at least it only gets initialized if + // the app state is added. + if (stateManager.getState(FlyCamAppState.class) != null) { + flyCam = new FlyByCamera(cam); + flyCam.setMoveSpeed(1f); // odd to set this here but it did it before + stateManager.getState(FlyCamAppState.class).setCamera( flyCam ); + } if (context.getType() == Type.Display) { inputManager.addMapping(INPUT_MAPPING_EXIT, new KeyTrigger(KeyInput.KEY_ESCAPE));