215 lines
6.3 KiB
Ucode
215 lines
6.3 KiB
Ucode
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/**
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*
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*
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* Where crowd agent is going. Destinations can kill agents that reach them or route them to another destination
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*
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*/
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class GameCrowdDestinationQueuePoint extends GameCrowdInteractionPoint
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native;
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/** Position behind this one in line */
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var() GameCrowdDestinationQueuePoint NextQueuePosition;
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/** Position before this one in line */
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var GameCrowdInteractionPoint PreviousQueuePosition;
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/** Agent currently occupying this queue position */
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var GameCrowdAgent QueuedAgent;
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/** Which destination this queue is part of the line for. Used only for queue validation during error checking. */
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var transient GameCrowdDestination QueueDestination;
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/** Prevent ClearQueue() reentry */
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var bool bClearingQueue;
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/** Average pause time before agent reacts to queue movement */
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var() float AverageReactionTime;
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/** True if queued agent is still at this position, but about to advance */
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var bool bPendingAdvance;
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/** Queue behavior used by this queue point */
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var class<GameCrowdBehavior_WaitInQueue> QueueBehaviorClass;
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/**
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* Returns true if agent at TestPosition is considered to have reached this queue point
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*/
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native function bool QueueReachedBy(GameCrowdAgent Agent, vector TestPosition);
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/**
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* Returns true if this queue has space
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*/
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simulated function bool HasSpace()
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{
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// If I don't have a queued agent, and there's not one about to advance to me, then I have space
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if ( (QueuedAgent == None) && ((NextQueuePosition == None) || !NextQueuePosition.bPendingAdvance || (NextQueuePosition.QueuedAgent == None)) )
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{
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return true;
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}
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if ( NextQueuePosition == None )
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{
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return false;
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}
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return NextQueuePosition.HasSpace();
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}
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/**
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* Called after Agent reaches this queue position
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*
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* @PARAM Agent is the crowd agent that just reached this queue position
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*/
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simulated event ReachedDestination(GameCrowdAgent Agent)
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{
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local GameCrowdDestinationQueuePoint QueuePoint;
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// if agent in front of me hasn't reached yet and is further than me from the front, switch positions with him
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// FIXMESTEVE - doesn't address the case where the GameCrowdDestination itself appears empty - may not need to be handled
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for ( QueuePoint = Agent.CurrentDestination.QueueHead; QueuePoint!=None; QueuePoint= QueuePoint.NextQueuePosition)
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{
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if ( QueuePoint.NextQueuePosition == self )
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{
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if ( QueuePoint.QueuedAgent == None )
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{
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`warn(agent$"in queue behind empty spot at "$self);
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}
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else if ( !QueuePoint.QueueReachedBy(QueuePoint.QueuedAgent, QueuePoint.QueuedAgent.Location) && (VSizeSq(QueuePoint.Location - Agent.Location) < VSizeSq(QueuePoint.Location - QueuePoint.QueuedAgent.Location)) )
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{
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// switch places for agents
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QueuedAgent = QueuePoint.QueuedAgent;
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QueuePoint.QueuedAgent = Agent;
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GameCrowdBehavior_WaitInQueue(QueuedAgent.CurrentBehavior).QueuePosition = self;
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GameCrowdBehavior_WaitInQueue(QueuePoint.QueuedAgent.CurrentBehavior).QueuePosition = QueuePoint;
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return;
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}
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}
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}
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// note - idle time will increase until next position opens up
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GameCrowdBehavior_WaitInQueue(QueuedAgent.CurrentBehavior).bIdleBehavior = true;
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QueuedAgent.PlayIdleAnimation();
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}
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/**
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* Advance customer to next position in line, with a reaction time delay
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*/
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simulated function AdvanceCustomerTo(GameCrowdInteractionPoint FrontPosition)
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{
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PreviousQueuePosition = FrontPosition;
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bPendingAdvance = true;
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SetTimer(AverageReactionTime, false, 'ActuallyAdvance');
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}
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/**
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* Actually advance the customer now
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*/
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private simulated function ActuallyAdvance()
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{
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local GameCrowdDestinationQueuePoint FrontQueuePosition;
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local GameCrowdDestination QueueFront;
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local GameCrowdAgent TempAgent;
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bPendingAdvance = false;
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if ( QueuedAgent != None )
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{
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TempAgent = QueuedAgent;
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// FIXMESTEVE - creates queue behavior for every spot in line - should re-use
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bClearingQueue = true;
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QueuedAgent.StopBehavior();
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bClearingQueue = false;
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QueuedAgent = None;
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FrontQueuePosition = GameCrowdDestinationQueuePoint(PreviousQueuePosition);
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if ( FrontQueuePosition != None )
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{
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FrontQueuePosition.AddCustomer(TempAgent, None);
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}
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else
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{
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QueueFront = GameCrowdDestination(PreviousQueuePosition);
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if ( QueueFront == None )
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{
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`warn("Illegal front position for queue "$self);
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return;
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}
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QueueFront.IncrementCustomerCount(TempAgent);
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}
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if ( QueuedAgent != None )
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{
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`warn(self$" GOT QUEUED AGENT BACK - Head "$PreviousQueuePosition$" Tail "$NextQueuePosition);
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}
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else if ( NextQueuePosition != None )
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{
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NextQueuePosition.AdvanceCustomerTo(self);
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}
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}
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}
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/**
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* Add customer to queue
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*/
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simulated function AddCustomer(GameCrowdAgent NewCustomer, GameCrowdInteractionPoint PreviousPosition)
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{
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if ( PreviousPosition != None )
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{
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PreviousQueuePosition = PreviousPosition;
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}
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if ( QueuedAgent == None )
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{
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QueuedAgent = NewCustomer;
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NewCustomer.ActivateInstancedBehavior(new(NewCustomer) QueueBehaviorClass);
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GameCrowdBehavior_WaitInQueue(NewCustomer.CurrentBehavior).QueuePosition = self;
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GameCrowdBehavior_WaitInQueue(NewCustomer.CurrentBehavior).ActionTarget = PreviousQueuePosition;
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}
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else if ( NextQueuePosition != None )
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{
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NextQueuePosition.AddCustomer(NewCustomer, self);
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}
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else
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{
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`warn(self$" Attempted to add customer "$NewCustomer$" beyond end of queue");
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}
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}
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/**
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* Clear OldCustomer from this queue position
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* Advance any customers in line
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*/
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simulated function ClearQueue(GameCrowdAgent OldCustomer)
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{
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if ( !bClearingQueue )
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{
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bClearingQueue = true;
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if ( OldCustomer == QueuedAgent )
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{
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QueuedAgent.StopBehavior();
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QueuedAgent = None;
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if ( NextQueuePosition != None )
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{
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NextQueuePosition.AdvanceCustomerTo(self);
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}
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}
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else
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{
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`warn("Attempted to clear "$OldCustomer$" from queue position with customer "$QueuedAgent);
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}
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bClearingQueue = false;
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}
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}
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simulated function bool HasCustomer()
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{
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return (QueuedAgent != None);
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}
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defaultproperties
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{
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Begin Object NAME=CollisionCylinder
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CollisionRadius=+0100.000000
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CollisionHeight=+0040.000000
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End Object
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AverageReactionTime=0.7
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QueueBehaviorClass=class'GameCrowdBehavior_WaitInQueue')
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}
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