Beginnings of Spot invocation services to allow moving between locations,

tracking and reporting locations of bodies within a scene and handling chatting between users in a cluster. Other minor cleanups. git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@774 542714f4-19e9-0310-aa3c-eee0fc999fb1
2001-12-14 00:12:32 +00:00
parent 6e962013a9
commit a38684db5e
10 changed files with 551 additions and 25 deletions
@@ -0,0 +1,66 @@
+//
+// $Id: SpotProvider.java,v 1.1 2001/12/14 00:12:32 mdb Exp $
+
+package com.threerings.whirled.spot.server;
+
+import com.threerings.presents.server.InvocationManager;
+import com.threerings.presents.server.InvocationProvider;
+import com.threerings.presents.server.ServiceFailedException;
+
+import com.threerings.crowd.data.BodyObject;
+import com.threerings.whirled.server.SceneRegistry;
+
+import com.threerings.whirled.spot.Log;
+import com.threerings.whirled.spot.client.SpotCodes;
+
+/**
+ * This class provides the server side of the spot services.
+ */
+public class SpotProvider extends InvocationProvider
+    implements SpotCodes
+{
+    /**
+     * Constructs a spot provider and registers it with the invocation
+     * manager to handle spot services. This need be done by a server that
+     * wishes to make use of the Spot services.
+     */
+    public static void init (
+        InvocationManager invmgr, SceneRegistry screg)
+    {
+        // we'll need this later
+        _screg = screg;
+
+        // register a spot provider instance
+        invmgr.registerProvider(MODULE_NAME, new SpotProvider());
+    }
+
+    /**
+     * Processes a request from a client to move to a new location.
+     */
+    public void handleChangeLocRequest (
+        BodyObject source, int invid, int sceneId, int locationId)
+    {
+        try {
+            // look up the scene manager for the specified scene
+            SpotSceneManager smgr = (SpotSceneManager)
+                _screg.getSceneManager(sceneId);
+            if (smgr == null) {
+                Log.warning("User requested to change location in " +
+                            "non-existent scene [user=" + source.username +
+                            ", sceneId=" + sceneId +
+                            ", locId=" + locationId + "].");
+                throw new ServiceFailedException(INTERNAL_ERROR);
+            }
+
+            smgr.handleChangeLocRequest(source, locationId);
+            sendResponse(source, invid, CHANGE_LOC_SUCCEEDED_RESPONSE);
+
+        } catch (ServiceFailedException sfe) {
+            sendResponse(source, invid, CHANGE_LOC_FAILED_RESPONSE,
+                         sfe.getMessage());
+        }
+    }
+
+    /** The scene registry with which we interoperate. */
+    protected static SceneRegistry _screg;
+}