//
// $Id$
//
// Vilya library - tools for developing networked games
// Copyright (C) 2002-2012 Three Rings Design, Inc., All Rights Reserved
// http://code.google.com/p/vilya/
//
// This library is free software; you can redistribute it and/or modify it
// under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package com.threerings.whirled.zone.server;
import com.threerings.presents.server.InvocationException;
import com.threerings.crowd.data.BodyObject;
import com.threerings.crowd.data.PlaceConfig;
import com.threerings.crowd.server.LocationManager;
import com.threerings.whirled.data.SceneModel;
import com.threerings.whirled.data.SceneUpdate;
import com.threerings.whirled.server.AbstractSceneMoveHandler;
import com.threerings.whirled.server.SceneManager;
import com.threerings.whirled.server.SceneRegistry;
import com.threerings.whirled.zone.client.ZoneService;
import com.threerings.whirled.zone.data.ZoneCodes;
import com.threerings.whirled.zone.data.ZoneSummary;
import com.threerings.whirled.zone.data.ZonedBodyObject;
import static com.threerings.whirled.zone.Log.log;
/**
* Handles transitioning between zones.
*/
public class ZoneMoveHandler extends AbstractSceneMoveHandler
implements ZoneManager.ResolutionListener
{
public ZoneMoveHandler (LocationManager locmgr, ZoneManager zmgr, SceneRegistry screg,
BodyObject body, int sceneId, int sceneVer,
ZoneService.ZoneMoveListener listener)
{
super(locmgr, body, listener);
_zmgr = zmgr;
_screg = screg;
_sceneId = sceneId;
_version = sceneVer;
}
// from interface ZoneManager.ResolutionListener
public void zoneWasResolved (ZoneSummary summary)
{
// give the zone manager a chance to veto the request
String errmsg = _zmgr.ratifyBodyEntry(_body, summary.zoneId);
if (errmsg != null) {
_listener.requestFailed(errmsg);
return;
}
_summary = summary;
// now resolve the target scene
resolveScene();
}
// from interface ZoneManager.ResolutionListener
public void zoneFailedToResolve (int zoneId, Exception reason)
{
log.warning("Unable to resolve zone [zoneId=" + zoneId + ", reason=" + reason + "].");
_listener.requestFailed(ZoneCodes.NO_SUCH_ZONE);
}
@Override
protected void effectSceneMove (SceneManager scmgr)
throws InvocationException
{
// move to the place object associated with this scene
int ploid = scmgr.getPlaceObject().getOid();
PlaceConfig config = _locman.moveTo(_body, ploid);
// now that we've moved, we can update the user object with the new zone id
((ZonedBodyObject)_body).setZoneId(_summary.zoneId);
// check to see if they need a newer version of the scene data
ZoneService.ZoneMoveListener listener = (ZoneService.ZoneMoveListener)_listener;
SceneModel model = scmgr.getScene().getSceneModel();
if (_version != model.version) {
SceneUpdate[] updates = null;
if (_version < model.version) {
updates = scmgr.getUpdates(_version);
}
if (updates != null) {
listener.moveSucceededWithUpdates(ploid, config, _summary, updates);
} else {
listener.moveSucceededWithScene(ploid, config, _summary, model);
}
} else {
listener.moveSucceeded(ploid, config, _summary);
}
// let the zone manager know that someone just came on in
_zmgr.bodyDidEnterZone(_body, _summary.zoneId);
}
/**
* Begins the process of resolving the target scene.
*/
protected void resolveScene ()
{
_screg.resolveScene(_sceneId, this);
}
protected ZoneManager _zmgr;
protected SceneRegistry _screg;
protected int _sceneId, _version;
protected ZoneSummary _summary;
}