Yeah, your idea worked beautifully until I applied it to all of the Taurii...

And this is gonna be quite lengthy, but it's the error that I got.

Error during simulation.


Alice version: 2.0.7
os.name: Mac OS X
os.version: 10.5.8
os.arch: i386
java.vm.name: Java HotSpot(TM) Client VM
java.vm.version: 1.4.2-92
user.dir: /Network/Servers/stuag.princeton.k12.mn.us/Volumes/Data/StudentData/2011/ANDERBRI000/Desktop/Alice.app/Contents/Required

Throwable that caused the error:
java.lang.NullPointerException
at edu.cmu.cs.stage3.alice.core.question.IsCloseTo.ge tValue(IsCloseTo.java:40)
at edu.cmu.cs.stage3.alice.core.question.SubjectObjec tQuestion.getValue(SubjectObjectQuestion.java:34)
at edu.cmu.cs.stage3.alice.core.question.SubjectQuest ion.getValue(SubjectQuestion.java:35)
at edu.cmu.cs.stage3.alice.core.Property.evaluateIfNe cessary(Property.java:380)
at edu.cmu.cs.stage3.alice.core.Property.getValue(Pro perty.java:407)
at edu.cmu.cs.stage3.alice.core.property.BooleanPrope rty.getValue(BooleanProperty.java:33)
at edu.cmu.cs.stage3.alice.core.property.BooleanPrope rty.getBooleanValue(BooleanProperty.java:45)
at edu.cmu.cs.stage3.alice.core.property.BooleanPrope rty.booleanValue(BooleanProperty.java:48)
at edu.cmu.cs.stage3.alice.core.property.BooleanPrope rty.booleanValue(BooleanProperty.java:56)
at edu.cmu.cs.stage3.alice.core.response.IfElseInOrde r$RuntimeIfElseInOrder.prologue(IfElseInOrder.java :51)
at edu.cmu.cs.stage3.alice.core.response.DoInOrder$Ru ntimeDoInOrder.childPrologueIfNecessary(DoInOrder. java:52)
at edu.cmu.cs.stage3.alice.core.response.DoInOrder$Ru ntimeDoInOrder.update(DoInOrder.java:97)
at edu.cmu.cs.stage3.alice.core.response.DoInOrder$Ru ntimeDoInOrder.childUpdate(DoInOrder.java:57)
at edu.cmu.cs.stage3.alice.core.response.DoInOrder$Ru ntimeDoInOrder.update(DoInOrder.java:98)
at edu.cmu.cs.stage3.alice.core.response.CallToUserDe finedResponse$RuntimeCallToUserDefinedResponse.upd ate(CallToUserDefinedResponse.java:86)
at edu.cmu.cs.stage3.alice.core.response.DoTogether$R untimeDoTogether.update(DoTogether.java:68)
at edu.cmu.cs.stage3.alice.core.response.DoInOrder$Ru ntimeDoInOrder.childUpdate(DoInOrder.java:57)
at edu.cmu.cs.stage3.alice.core.response.DoInOrder$Ru ntimeDoInOrder.update(DoInOrder.java:98)
at edu.cmu.cs.stage3.alice.core.response.CallToUserDe finedResponse$RuntimeCallToUserDefinedResponse.upd ate(CallToUserDefinedResponse.java:86)
at edu.cmu.cs.stage3.alice.core.behavior.AbstractCond itionalBehavior.internalSchedule(AbstractCondition alBehavior.java:103)
at edu.cmu.cs.stage3.alice.core.Behavior.schedule(Beh avior.java:225)
at edu.cmu.cs.stage3.alice.core.Sandbox.scheduleBehav iors(Sandbox.java:70)
at edu.cmu.cs.stage3.alice.core.World.scheduleBehavio rs(World.java:444)
at edu.cmu.cs.stage3.alice.core.World.schedule(World. java:486)
at edu.cmu.cs.stage3.alice.core.clock.DefaultClock.sc hedule(DefaultClock.java:94)
at edu.cmu.cs.stage3.alice.authoringtool.AuthoringToo l$11.run(AuthoringTool.java:689)
at edu.cmu.cs.stage3.alice.authoringtool.util.Default Scheduler.simulateOnce(DefaultScheduler.java:115)
at edu.cmu.cs.stage3.alice.authoringtool.util.Default Scheduler.run(DefaultScheduler.java:76)
at edu.cmu.cs.stage3.scheduler.AbstractScheduler.run( AbstractScheduler.java:45)
at java.awt.event.InvocationEvent.dispatch(Invocation Event.java:189)
at java.awt.EventQueue.dispatchEvent(EventQueue.java: 478)
at java.awt.EventDispatchThread.pumpOneEventForHierar chy(EventDispatchThread.java:234)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(EventDispatchThread.java:174)
at java.awt.Dialog$1.run(Dialog.java:542)
at java.awt.Dialog$3.run(Dialog.java:569)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.Dialog.show(Dialog.java:567)
at java.awt.Component.show(Component.java:1133)
at java.awt.Component.setVisible(Component.java:1088)
at edu.cmu.cs.stage3.swing.DialogManager.showModalDia log(DialogManager.java:58)
at edu.cmu.cs.stage3.swing.DialogManager.showDialog(D ialogManager.java:123)
at edu.cmu.cs.stage3.alice.authoringtool.AuthoringToo l.play(AuthoringTool.java:5087)
at edu.cmu.cs.stage3.alice.authoringtool.Actions$15.a ctionPerformed(Actions.java:167)
at javax.swing.AbstractButton.fireActionPerformed(Abs tractButton.java:1819)
at javax.swing.AbstractButton$ForwardActionEvents.act ionPerformed(AbstractButton.java:1872)
at javax.swing.DefaultButtonModel.fireActionPerformed (DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultB uttonModel.java:258)
at javax.swing.plaf.basic.BasicButtonListener.mouseRe leased(BasicButtonListener.java:247)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEven tMulticaster.java:231)
at java.awt.Component.processMouseEvent(Component.jav a:5166)
at java.awt.Component.processEvent(Component.java:496 3)
at java.awt.Container.processEvent(Container.java:161 3)
at java.awt.Component.dispatchEventImpl(Component.jav a:3681)
at java.awt.Container.dispatchEventImpl(Container.jav a:1671)
at java.awt.Component.dispatchEvent(Component.java:35 43)
at java.awt.LightweightDispatcher.retargetMouseEvent( Container.java:3527)
at java.awt.LightweightDispatcher.processMouseEvent(C ontainer.java:3242)
at java.awt.LightweightDispatcher.dispatchEvent(Conta iner.java:3172)
at java.awt.Container.dispatchEventImpl(Container.jav a:1657)
at java.awt.Window.dispatchEventImpl(Window.java:1623 )
at java.awt.Component.dispatchEvent(Component.java:35 43)
at java.awt.EventQueue.dispatchEvent(EventQueue.java: 480)
at java.awt.EventDispatchThread.pumpOneEventForHierar chy(EventDispatchThread.java:234)
at java.awt.EventDispatchThread.pumpEventsForHierarch y(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:178)
at java.awt.EventDispatchThread.pumpEvents(EventDispa tchThread.java:170)
at java.awt.EventDispatchThread.run(EventDispatchThre ad.java:100)



If anybody has a free hour, can you translate that into english for me?