Further AI handling improvements.

git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@3401 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/parlor/game/data/GameConfig.java

@@ -56,7 +56,7 @@ public abstract class GameConfig extends PlaceConfig implements Cloneable
      * players should be null and slots with AIs should contain
      * configuration for those AIs. A null array indicates no use of AIs
      * at all. */
-    public GameAI[] ais;
+    public GameAI[] ais = new GameAI[0];
 
     /**
      * Returns the message bundle identifier for the bundle that should be

src/java/com/threerings/parlor/game/server/GameManager.java

@@ -87,8 +87,7 @@ public class GameManager extends PlaceManager
         }
 
         // configure our AIs
-        int aicount = (_gameconfig.ais == null) ? 0 : _gameconfig.ais.length;
-        for (int ii = 0; ii < aicount; ii++) {
+        for (int ii = 0; ii < _gameconfig.ais.length; ii++) {
             if (_gameconfig.ais[ii] != null) {
                 setAI(ii, _gameconfig.ais[ii]);
             }
@@ -446,8 +445,8 @@ public class GameManager extends PlaceManager
         // let the players of this game know that we're ready to roll (if
         // we have a specific set of players)
         for (int ii = 0; ii < getPlayerSlots(); ii++) {
-            // skip non-existent players
-            if (!_gameobj.isOccupiedPlayer(ii)) {
+            // skip non-existent players and AIs
+            if (!_gameobj.isOccupiedPlayer(ii) || isAI(ii)) {
                 continue;
             }