Beginnings of Spot services.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@618 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
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//
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// $Id: EditableSpotScene.java,v 1.1 2001/11/13 02:25:36 mdb Exp $
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package com.threerings.whirled.spot.tools;
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import com.threerings.whirled.tools.EditableScene;
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import com.threerings.whirled.spot.client.DisplaySpotScene;
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import com.threerings.whirled.spot.data.Location;
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import com.threerings.whirled.spot.data.Portal;
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import com.threerings.whirled.spot.data.SpotSceneModel;
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/**
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* The editable spot scene interface is used in the offline scene building
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* tools as well as by the tools that load those prototype scenes into the
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* runtime database. Accordingly, it provides a means for modifying scene
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* values and for obtaining access to the underlying scene models that
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* represent the underlying scene information.
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*
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* @see EditableScene
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*/
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public interface EditableSpotScene
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extends DisplaySpotScene, EditableScene
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{
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/**
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* Sets the location id of the default entrance to this scene.
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*/
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public void setDefaultEntranceId (int defaultEntranceId);
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/**
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* Adds a location to this scene.
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*/
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public void addLocation (Location location);
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/**
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* Removes the specified location from the scene.
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*/
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public void removeLocation (Location location);
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/**
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* Adds a portal to this scene (it should be added appropriately to
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* both the location and portal arrays).
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*/
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public void addPortal (Portal portal);
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/**
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* Removes a portal from this scene (it should be removed accordingly
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* from both the location and portal arrays).
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*/
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public void removePortal (Portal portal);
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/**
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* Implementations must provide a scene model that represents the
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* current state of this editable scene in response to a call to this
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* method. Whether they maintain an up to date scene model all along
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* or generate one at the time this method is called is up to the
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* implementation.
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*/
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public SpotSceneModel getSpotSceneModel ();
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}
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//
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// $Id: EditableSpotSceneImpl.java,v 1.1 2001/11/13 02:25:36 mdb Exp $
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package com.threerings.whirled.spot.tools;
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import com.samskivert.util.ListUtil;
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import com.threerings.crowd.data.PlaceConfig;
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import com.threerings.whirled.data.SceneModel;
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import com.threerings.whirled.tools.EditableSceneImpl;
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import com.threerings.whirled.spot.client.DisplaySpotSceneImpl;
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import com.threerings.whirled.spot.data.Location;
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import com.threerings.whirled.spot.data.Portal;
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import com.threerings.whirled.spot.data.SpotSceneModel;
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import com.threerings.whirled.spot.Log;
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/**
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* The editable spot scene interface is used in the offline scene building
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* tools as well as by the tools that load those prototype scenes into the
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* runtime database. Accordingly, it provides a means for modifying scene
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* values and for obtaining access to the underlying scene models that
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* represent the underlying scene information.
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*
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* <p> Scrutinizers of the code might cringe at the somewhat inefficient
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* array manipulation used to preserve the integrity of the arrays
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* returned by {@link #getLocations} and {@link #getPortals}. Since we
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* expect reading to happen more often than modifying, this seemed a
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* reasonable tradeoff, and one should also note that this class will only
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* ever be used in the offline editor and not in any performance
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* constrained runtime system.
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*
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* @see com.threerings.whirled.tools.EditableScene
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*/
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public class EditableSpotSceneImpl
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extends DisplaySpotSceneImpl
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implements EditableSpotScene
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{
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/**
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* Creates an instance that will obtain data from the supplied scene
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* model and update it when changes are made.
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*/
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public EditableSpotSceneImpl (SpotSceneModel model)
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{
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super(model, null);
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// Java doesn't support multiple inheritance (we'll let the reader
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// decide whether or not that's unfortunate), so we have to
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// instantiate an EditableSceneImpl delegate to handle the
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// extensions to DisplayScene provided by EditableScene because
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// we're extending from the DisplaySceneImpl class chain
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_edelegate = new EditableSceneImpl(model);
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}
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// documentation inherited
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public void setId (int sceneId)
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{
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_edelegate.setId(sceneId);
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}
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// documentation inherited
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public void setVersion (int version)
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{
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_edelegate.setVersion(version);
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}
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// documentation inherited
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public void setNeighborIds (int[] neighborIds)
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{
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String errmsg = "Neighbor IDs can't be set directly in the " +
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"EditableSpotScene because we need to know the associated " +
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"location information to go along with our neighbor connections.";
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throw new RuntimeException(errmsg);
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}
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// documentation inherited
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public void setDefaultEntranceId (int defaultEntranceId)
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{
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_model.defaultEntranceId = defaultEntranceId;
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}
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// documentation inherited
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public void addLocation (Location location)
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{
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// add this location to the end of the list
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int lcount = _locations.length;
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Location[] nlocs = new Location[lcount+1];
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System.arraycopy(_locations, 0, nlocs, 0, lcount);
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nlocs[lcount] = location;
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_locations = nlocs;
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}
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// documentation inherited
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public void removeLocation (Location location)
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{
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// obtain the index of this location
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int lidx = ListUtil.indexOfEqual(_locations, location);
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if (lidx == -1) {
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Log.warning("Can't remove location that isn't in our array " +
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"[loc=" + location + "].");
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} else {
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// create a new array minus this location
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int lcount = _locations.length;
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Location[] nlocs = new Location[lcount-1];
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System.arraycopy(_locations, 0, nlocs, 0, lidx);
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System.arraycopy(_locations, lidx+1, nlocs, lidx, lcount-lidx-1);
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_locations = nlocs;
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}
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}
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// documentation inherited
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public void addPortal (Portal portal)
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{
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// add it to the locations array as well
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addLocation(portal);
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// now add it to the end of the _portals array
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int pcount = _portals.length;
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Portal[] nports = new Portal[pcount+1];
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System.arraycopy(_portals, 0, nports, 0, pcount);
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nports[pcount] = portal;
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_portals = nports;
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}
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// documentation inherited
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public void removePortal (Portal portal)
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{
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// remove it from the locations array
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removeLocation(portal);
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// and remove it from the portals array
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int pidx = ListUtil.indexOfEqual(_portals, portal);
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if (pidx == -1) {
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Log.warning("Can't remove portal that isn't in our array " +
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"[port=" + portal + "].");
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} else {
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// create a new array minus this portal
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int pcount = _portals.length;
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Portal[] nports = new Portal[pcount-1];
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System.arraycopy(_portals, 0, nports, 0, pidx);
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System.arraycopy(_portals, pidx+1, nports, pidx, pcount-pidx-1);
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_portals = nports;
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}
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}
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// documentation inherited
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public SceneModel getSceneModel ()
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{
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flushToModel();
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return _edelegate.getSceneModel();
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}
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// documentation inherited
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public SpotSceneModel getSpotSceneModel ()
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{
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flushToModel();
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return _model;
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}
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/**
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* This ensures that the modifications we've made to the location and
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* portal arrays are flushed to the model. It is called before
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* returning our model back to the caller.
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*/
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protected void flushToModel ()
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{
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// flush the locations
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int lcount = _locations.length;
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_model.locationIds = new int[lcount];
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_model.locationX = new int[lcount];
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_model.locationY = new int[lcount];
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_model.locationOrients = new int[lcount];
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_model.locationClusters = new int[lcount];
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for (int i = 0; i < lcount; i++) {
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Location loc = _locations[i];
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_model.locationIds[i] = loc.locationId;
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_model.locationX[i] = loc.x;
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_model.locationY[i] = loc.y;
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_model.locationOrients[i] = loc.orientation;
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_model.locationClusters[i] = loc.clusterIndex;
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}
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// flush the portals
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int pcount = _portals.length;
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_model.portalIds = new int[pcount];
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_model.neighborIds = new int[pcount];
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_model.targetLocIds = new int[pcount];
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for (int i = 0; i < pcount; i++) {
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Portal port = _portals[i];
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_model.portalIds[i] = port.locationId;
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_model.neighborIds[i] = port.targetSceneId;
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_model.targetLocIds[i] = port.targetLocationId;
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}
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}
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/** We have to delegate some methods to this guy. */
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protected EditableSceneImpl _edelegate;
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}
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