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Added canAddBody() and locationForBody().

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git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@2332 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Michael Bayne
2003-03-26 18:18:29 +00:00
parent 590c993599
commit 0c6a54380a
1 changed files with 65 additions and 52 deletions
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src/java/com/threerings/whirled/spot/server/SpotSceneManager.java
+65 -52
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@@ -1,5 +1,5 @@
//
// $Id: SpotSceneManager.java,v 1.31 2003/03/26 02:37:08 mdb Exp $
// $Id: SpotSceneManager.java,v 1.32 2003/03/26 18:18:29 mdb Exp $
package com.threerings.whirled.spot.server;
@@ -188,6 +188,17 @@ public class SpotSceneManager extends SceneManager
// update the user's location information in the scene which will
// indicate to the client that their avatar should be moved from
// its current position to their new position
updateLocation(source, loc);
// remove them from any cluster as they've departed
removeFromCluster(source.getOid());
}
/**
* Updates the location of the specified body.
*/
protected void updateLocation (BodyObject source, Location loc)
{
SceneLocation sloc = new SceneLocation(loc, source.getOid());
if (!_ssobj.occupantLocs.contains(sloc)) {
// complain if they don't already have a location configured
@@ -198,9 +209,6 @@ public class SpotSceneManager extends SceneManager
} else {
_ssobj.updateOccupantLocs(sloc);
}
// remove them from any cluster as they've departed
removeFromCluster(source.getOid());
}
/**
@@ -238,30 +246,12 @@ public class SpotSceneManager extends SceneManager
}
// add our two lovely users to the newly created cluster
if (clrec.addBody(joiner)) {
_clusters.put(joiner.getOid(), clrec);
}
if (clrec.addBody(member)) {
_clusters.put(member.getOid(), clrec);
}
}
/**
* Creates a new cluster with the specified user being added to said
* cluster.
*/
protected void createNewCluster (BodyObject creator)
{
// remove them from any previous cluster
removeFromCluster(creator.getOid());
// create a cluster record and map this user to it
ClusterRecord clrec = new ClusterRecord();
if (clrec.addBody(creator)) {
_clusters.put(creator.getOid(), clrec);
if (clrec.addBody(joiner)) {
_clusters.put(joiner.getOid(), clrec);
}
// if we failed to add the creator, the cluster record will
// quietly off itself when it's done subscribing to its object
}
/**
@@ -293,6 +283,15 @@ public class SpotSceneManager extends SceneManager
}
}
/**
* Returns the location of the specified body or null if they have no
* location in this scene.
*/
protected SceneLocation locationForBody (int bodyOid)
{
return (SceneLocation)_ssobj.occupantLocs.get(new Integer(bodyOid));
}
/**
* Converts the x and y coordinates in the supplied location object to
* Cartesian coordinates that can be manipulated geometrically. The
@@ -321,6 +320,15 @@ public class SpotSceneManager extends SceneManager
loc.y = cy;
}
/**
* Verifies that the specified cluster can be expanded to include
* another body.
*/
protected boolean canAddBody (ClusterRecord clrec, BodyObject body)
{
return true;
}
/**
* Called when a user is added to a cluster. The scene manager
* implementation should take this opportunity to rearrange everyone
@@ -353,39 +361,44 @@ public class SpotSceneManager extends SceneManager
public boolean addBody (BodyObject body)
{
if (body instanceof ClusteredBodyObject) {
// if they're already in the cluster, do nothing
if (containsKey(body.getOid())) {
return false;
}
put(body.getOid(), body);
try {
body.startTransaction();
_ssobj.startTransaction();
bodyAdded(this, body); // do the hokey pokey
if (_clobj != null) {
((ClusteredBodyObject)body).setClusterOid(
_clobj.getOid());
_clobj.addToOccupants(body.getOid());
_ssobj.updateClusters(_cluster);
}
} finally {
_clobj.commitTransaction();
_ssobj.commitTransaction();
}
Log.info("Added " + body.who() + " to "+ this + ".");
return true;
} else {
if (!(body instanceof ClusteredBodyObject)) {
Log.warning("Refusing to add non-clustered body to cluster " +
"[cloid=" + _clobj.getOid() +
", size=" + size() + ", who=" + body.who() + "].");
return false;
}
// if they're already in the cluster, do nothing
if (containsKey(body.getOid())) {
return false;
}
// make sure we can add this body
if (!canAddBody(this, body)) {
Log.info("Cluster full, refusing growth " + this + ".");
return false;
}
put(body.getOid(), body);
try {
body.startTransaction();
_ssobj.startTransaction();
bodyAdded(this, body); // do the hokey pokey
if (_clobj != null) {
((ClusteredBodyObject)body).setClusterOid(
_clobj.getOid());
_clobj.addToOccupants(body.getOid());
_ssobj.updateClusters(_cluster);
}
} finally {
body.commitTransaction();
_ssobj.commitTransaction();
}
Log.info("Added " + body.who() + " to "+ this + ".");
return true;
}
public void removeBody (int bodyOid)