/**
* Project Wonderland
*
* Copyright (c) 2004-2009, Sun Microsystems, Inc., All Rights Reserved
*
* Redistributions in source code form must reproduce the above
* copyright and this condition.
*
* The contents of this file are subject to the GNU General Public
* License, Version 2 (the "License"); you may not use this file
* except in compliance with the License. A copy of the License is
* available at http://www.opensource.org/licenses/gpl-license.php.
*
* Sun designates this particular file as subject to the "Classpath"
* exception as provided by Sun in the License file that accompanied
* this code.
*/
package org.jdesktop.wonderland.server.cell.view;
import org.jdesktop.wonderland.common.cell.state.AvatarCellServerState;
import org.jdesktop.wonderland.server.cell.*;
import com.jme.bounding.BoundingSphere;
import com.jme.math.Quaternion;
import com.jme.math.Vector3f;
import com.sun.sgs.app.AppContext;
import com.sun.sgs.app.ManagedReference;
import org.jdesktop.wonderland.common.ExperimentalAPI;
import org.jdesktop.wonderland.common.cell.AvatarBoundsHelper;
import org.jdesktop.wonderland.common.cell.CellTransform;
import org.jdesktop.wonderland.common.cell.ClientCapabilities;
import org.jdesktop.wonderland.common.cell.state.CellClientState;
import org.jdesktop.wonderland.common.cell.state.CellServerState;
import org.jdesktop.wonderland.common.cell.view.ViewCellClientState;
import org.jdesktop.wonderland.server.UserMO;
import org.jdesktop.wonderland.server.cell.annotation.NoSnapshot;
import org.jdesktop.wonderland.server.comms.WonderlandClientID;
/**
* Superclass for all avatar cells.
*
* @author paulby
*/
@ExperimentalAPI
@NoSnapshot
public class AvatarCellMO extends ViewCellMO {
private ManagedReference<AvatarCellCacheMO> avatarCellCacheRef;
private ManagedReference<UserMO> userRef;
private WonderlandClientID clientID;
public AvatarCellMO(UserMO user, WonderlandClientID clientID) {
super(new BoundingSphere(AvatarBoundsHelper.AVATAR_CELL_SIZE, new Vector3f()),
new CellTransform(null, new Vector3f()) );
this.userRef = AppContext.getDataManager().createReference(user);
this.clientID = clientID;
Vector3f location = new Vector3f(0,0,0);
Vector3f lookDirection = new Vector3f(0,0,1);
Quaternion rotation = new Quaternion();
rotation.lookAt(lookDirection, new Vector3f(0f,1f,0f));
CellTransform initialLocation = new CellTransform(rotation, location);
setLocalTransform(initialLocation);
}
/**
* Get the Wonderland user object associated with this avatar.
* @return the user object
*/
public UserMO getUser() {
return userRef.get();
}
/**
* Get the WonderlandClientID of the user session that owns this avatar.
* May return null if the avatar is not associated with a client
* session.
* @return the client ID for the session associated with this avatar.
*/
public WonderlandClientID getClientID() {
return clientID;
}
/**
* {@inheritDoc}
*/
public AvatarCellCacheMO getCellCache() {
if (avatarCellCacheRef == null) {
AvatarCellCacheMO cache = new AvatarCellCacheMO(this);
avatarCellCacheRef = AppContext.getDataManager().createReference(cache);
}
return avatarCellCacheRef.getForUpdate();
}
@Override
protected String getClientCellClassName(WonderlandClientID clientID,
ClientCapabilities capabilities) {
return "org.jdesktop.wonderland.client.cell.view.AvatarCell";
}
@Override
public CellClientState getClientState(CellClientState cellClientState, WonderlandClientID clientID,
ClientCapabilities capabilities) {
if (cellClientState == null) {
cellClientState = new ViewCellClientState(userRef.get().getIdentity());
}
return super.getClientState(cellClientState, clientID, capabilities);
}
@Override
protected void setLive(boolean live) {
super.setLive(live);
if (live) {
// replace the movable component that the superclass uses
// with a movable avatar component
MovableComponentMO mc = getComponent(MovableComponentMO.class);
if (mc != null) {
removeComponent(mc);
}
addComponent(new MovableAvatarComponentMO(this));
}
}
@Override
public CellServerState getServerState(CellServerState cellServerState) {
if (cellServerState == null) {
cellServerState = new AvatarCellServerState(userRef.get().getUsername());
}
return super.getServerState(cellServerState);
}
}