565 lines
16 KiB
Ucode
565 lines
16 KiB
Ucode
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//=============================================================================
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// AICommand
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//=============================================================================
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// Base class for AICommands (based on GOW2-GOW3)
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//=============================================================================
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// Killing Floor 2
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// Copyright (C) 2015 Tripwire Interactive LLC
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//=============================================================================
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class AICommand extends GameAICommand
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within KFAIController
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native(AI)
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DependsOn(KFPawn)
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dependson(KFAiBehaviorTypes);
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/** Reference to the KFAIController using this command */
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var KFAIController AIOwner;
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/** When a command is paused, the new command is cached here until the original command resumes */
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var AICommand CachedChildCommand;
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/** Can the AI perform an attack when using this command? */
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var bool bAllowedToAttack;
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/** When command is active, AILog category from this command will be overridden to this name */
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var string OverrideLogCategory;
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/** When true, this command can interrupt the pause AICommand */
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var bool bInterruptPauseCommand;
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/** When true, this command can will disable the movement plugin on push and enable on popped*/
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var bool bDisableMovementPluginOnPushed;
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cpptext
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{
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virtual void TickCommand(FLOAT DeltaTime);
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}
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/*********************************************************************************************
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* Initialization
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********************************************************************************************* */
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/** Cache AIOwner */
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function PrePushed( GameAIController AI )
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{
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AIOwner = Outer;
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Super.PrePushed( AI );
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}
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function Pushed()
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{
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if( bUsePluginsForMovement && MovementPlugin != none && bDisableMovementPluginOnPushed )
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{
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MovementPlugin.DisablePlugin();
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}
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Super.Pushed();
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}
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/** Clear AIOwner */
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function PostPopped()
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{
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AIOwner = none;
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Super.PostPopped();
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}
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/** Command has been paused by another command */
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function Paused(GameAICommand NewCommand)
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{
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`AILog( GetFuncName()$" ["$self$"] setting CachedChildCommand to "$NewCommand, 'Command_Base' );
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CachedChildCommand = AICommand( NewCommand );
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Super.Paused(NewCommand);
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}
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/** Command has resumed execution */
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function Resumed( Name OldCommandName )
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{
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`AILog( GetFuncName()$" Command resumed, setting CachedChildCommand to none", 'Command_Base' );
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CachedChildCommand = none;
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Super.Resumed( OldCommandName );
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}
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/** Command is being popped off the stack */
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function Popped()
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{
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if( bUsePluginsForMovement && MovementPlugin != none && bDisableMovementPluginOnPushed )
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{
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MovementPlugin.EnablePlugin();
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}
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if( MyKFPawn != none && MyKFPawn.IsAliveAndWell() )
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{
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UpdateCommandHistory();
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`AILog( GetFuncName()$" Command Popped, setting CachedChildCommand to none", 'Command_Base' );
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}
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CachedChildCommand = none;
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if( AIOwner != none )
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{
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AIOwner.NotifyCommandFinished( self );
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}
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Super.Popped();
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}
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/** Called from TickCommand and is used to call special moves and functions ontop of an AI Command */
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event HandleAICommandSpecialAction();
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/** Can this command be pushed by special moves? */
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function bool AllowPushOfDefaultCommandForSpecialMove( ESpecialMove SM )
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{
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return true;
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}
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/** Access the parent AICommand, if any exists */
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function AICommandBase GetParentCommand()
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{
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local GameAICommand ParentCommand;
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ParentCommand = CommandList;
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while( ParentCommand != none && ParentCommand.ChildCommand != self )
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{
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ParentCommand = ParentCommand.ChildCommand;
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}
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if( ParentCommand != none )
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{
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return ParentCommand;
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}
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return none;
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}
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/*********************************************************************************************
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* Notifications
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* Important event notifications are often forwarded from KFAIController to the top level
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* AICommand and on to any child commands.
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********************************************************************************************* */
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function bool NotifyHearNoise( float Loudness, Actor NoiseMaker, optional Name NoiseType )
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() Loudness: "$Loudness$" NoiseMaker: "$NoiseMaker$" Type: "$NoiseType, 'HearNoise' );
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return CachedChildCommand.NotifyHearNoise( Loudness, NoiseMaker, NoiseType );
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}
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return false;
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}
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function bool NotifyCombatBehaviorChange( name BehaviorName, bool bEnabled )
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() BehaviorName: "$BehaviorName$" bEnabled: "$bEnabled );
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return CachedChildCommand.NotifyCombatBehaviorChange( BehaviorName, bEnabled );
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}
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return false;
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}
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/** Allows AICommands to reject switching enemy to NewEnemy */
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function bool CanChangeEnemy( Pawn NewEnemy )
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{
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if( CachedChildCommand != None )
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{
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return CachedChildCommand.CanChangeEnemy( NewEnemy );
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}
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return true;
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}
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/** Notification from controller that enemy has changed. Sends OldEnemy to support movement goal re-evaluations. */
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function NotifyEnemyChanged( optional Pawn OldEnemy )
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{
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if( CachedChildCommand != None )
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{
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CachedChildCommand.NotifyEnemyChanged( OldEnemy );
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}
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}
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/** Notification that a pending door is now open */
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function NotifyDoorOpened()
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'NotifyDoorOpened' );
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CachedChildCommand.NotifyDoorOpened();
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}
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}
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/** Notification from controller that enemy has become visible */
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function bool NotifyPlayerBecameVisible( Pawn VisiblePlayer )
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() Seen: "$VisiblePlayer$" notifying "$CachedChildCommand$" and letting it handle the event.", 'SeePlayer' );
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return CachedChildCommand.NotifyPlayerBecameVisible( VisiblePlayer );
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}
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return false;
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}
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/** Notification from controller that enemy is no longer visible */
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function bool NotifyEnemyNotVisible()
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'EnemyNotVisible' );
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return CachedChildCommand.NotifyEnemyNotVisible();
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}
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return false;
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}
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/** Notification from controller that my pawn's base has changed */
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function bool NotifyBaseChange( actor NewBase, vector NewFloor )
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{
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if( CachedChildCommand != None )
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{
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//`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'HitWall' );
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if( CachedChildCommand.NotifyBaseChange( NewBase, NewFloor ) )
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{
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return true;
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}
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}
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return false;
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}
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/** Notification from controller that my pawn has landed */
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function bool NotifyLanded( vector HitNormal, actor FloorActor )
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() HitNormal:"$HitNormal$" FloorActor:"$FloorActor$" notifying "$CachedChildCommand$" and letting it handle the event.", 'PathWarning' );
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return CachedChildCommand.NotifyLanded( HitNormal, FloorActor );
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}
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return false;
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}
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/** Notification that my current enemy is surrounded by other NPCs */
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function bool EnemyIsSurrounded()
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'PathWarning' );
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return CachedChildCommand.EnemyIsSurrounded();
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}
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return false;
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}
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/** Notification from controller that my pawn has collided with an obstruction (during a latent move) */
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function bool NotifyHitWall( vector HitNormal, actor Wall )
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'HitWall' );
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return CachedChildCommand.NotifyHitWall( HitNormal, Wall );
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}
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return false;
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}
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/** Notification from controller that my pawn has collided with an obstruction while falling (during a latent move) */
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function bool NotifyFallingHitWall( vector HitNormal, actor Wall )
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'HitWall' );
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return CachedChildCommand.NotifyFallingHitWall( HitNormal, Wall );
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}
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return false;
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}
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/** Notification that a nearby Husk has become suicidal */
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function bool NotifyHuskSuicide( KFPawn_Monster Husk )
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{
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return false;
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if( CachedAICommandList != none )
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{
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if( CachedAICommandList.NotifyHuskSuicide( Husk ) )
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{
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return true;
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}
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}
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return false;
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}
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/** Notification that my pawn has bumped into something - usually another NPC */
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function bool NotifyBump( actor Other, vector HitNormal )
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'BumpEvent' );
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if( CachedChildCommand.NotifyBump( Other, HitNormal ) )
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{
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return true;
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}
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}
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return false;
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}
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function bool NotifyLatentPostPhysWalking()
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'PostPhysWalking' );
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if( CachedChildCommand.NotifyLatentPostPhysWalking() )
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{
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return true;
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}
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}
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return false;
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}
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function bool NotifyTouch(Actor Other, PrimitiveComponent OtherComp, vector HitLocation, vector HitNormal)
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'TouchEvent' );
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if( CachedChildCommand.NotifyTouch( Other, OtherComp, HitLocation, HitNormal ) )
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{
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return true;
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}
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}
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return false;
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}
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function bool NotifyMovingOnToDestructibleEdge( KFDestructibleActor TheDestructiblePathObject, out KFNavMeshMovementStepData EdgeData, out Vector outMove2Point )
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'NotifyZedStuck' );
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if( CachedChildCommand.NotifyMovingOnToDestructibleEdge( TheDestructiblePathObject, EdgeData, outMove2Point ) )
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{
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return true;
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}
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}
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return false;
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}
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function bool NotifyNpcTerminallyStuck()
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'NotifyNpcTerminallyStuck' );
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if( CachedChildCommand.NotifyNpcTerminallyStuck() )
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{
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return true;
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}
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}
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return false;
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}
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function bool NotifyNpcInGrannyMode()
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() notifying "$CachedChildCommand$" and letting it handle the event.", 'NotifyNpcInGrannyMode' );
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if( CachedChildCommand.NotifyNpcInGrannyMode() )
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{
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return true;
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}
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}
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return false;
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}
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/** Ignore timer transitions to other commands? */
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function bool ShouldIgnoreTimeTransitions()
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{
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local bool bShouldIgnore;
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if(CachedChildCommand != none)
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{
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bShouldIgnore = CachedChildCommand.ShouldIgnoreTimeTransitions();
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}
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if( bShouldIgnore )
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{
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`AILog( GetFuncName()$"() returning TRUE - ignoring time transitions", 'CombatTransitions' );
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}
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return bShouldIgnore;
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}
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/** Checks to see if we're allowed to fire our weapon in this command, passing through to children until blocked. */
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function bool IsAllowedToAttack()
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{
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local bool bCanAttack;
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bCanAttack = ( bAllowedToAttack && (CachedChildCommand == None || CachedChildCommand.IsAllowedToAttack()) );
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if( !bCanAttack )
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{
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`AILog( GetFuncName()$"() returning false because !bAllowedToAttack" );
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}
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return bCanAttack;
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}
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/** Checks if Pawn P exists and is still alive */
|
||
|
|
function bool IsPawnAlive( Pawn P )
|
||
|
|
{
|
||
|
|
if( P == none )
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( P.Controller == none || !P.IsAliveAndWell() )
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Checks if Controller C exists, its pawn exists and is still alive */
|
||
|
|
function bool IsControllerAlive( Controller C )
|
||
|
|
{
|
||
|
|
if( C == none )
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if( C.Pawn == none || !C.Pawn.IsAliveAndWell() )
|
||
|
|
{
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Should the AI re-evaluate their current target and possibly choose a different one? */
|
||
|
|
function bool ShouldSelectTarget()
|
||
|
|
{
|
||
|
|
if( CachedChildCommand != None )
|
||
|
|
{
|
||
|
|
return CachedChildCommand.ShouldSelectTarget();
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function AdjustEnemyRating(out float out_Rating, Pawn EnemyPawn)
|
||
|
|
{
|
||
|
|
if (CachedChildCommand != None)
|
||
|
|
{
|
||
|
|
CachedChildCommand.AdjustEnemyRating(out_Rating, EnemyPawn);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*********************************************************************************************
|
||
|
|
* Pathfinding & Movement
|
||
|
|
********************************************************************************************* */
|
||
|
|
|
||
|
|
/** Called from native code during latent movement, gives NPC a chance to find direct path to goal */
|
||
|
|
function FindDirectPath()
|
||
|
|
{
|
||
|
|
`AILog( GetFuncName(), 'Move_DirectPath' );
|
||
|
|
|
||
|
|
if (CachedChildCommand != None)
|
||
|
|
{
|
||
|
|
`AILog( GetFuncName()$"(), [I am "$self$"] letting "$CachedChildCommand$" decide what to do about it.", 'Move_DirectPath' );
|
||
|
|
CachedChildCommand.FindDirectPath();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Called from native code during latent movement when current move is considered unreachable */
|
||
|
|
function bool MoveUnreachable( Vector AttemptedDest, Actor AttemptedTarget )
|
||
|
|
{
|
||
|
|
if( AttemptedTarget != none )
|
||
|
|
{
|
||
|
|
`AILog( GetFuncName()$" AttemptedTarget: "$AttemptedTarget, 'PathWarning' );
|
||
|
|
}
|
||
|
|
|
||
|
|
if( CachedChildCommand != None )
|
||
|
|
{
|
||
|
|
`AILog( GetFuncName()$"() letting "$CachedChildCommand$" decide what to do about it.", 'PathWarning' );
|
||
|
|
return CachedChildCommand.MoveUnreachable( AttemptedDest, AttemptedTarget );
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Notification that NPC's path needs to be updated */
|
||
|
|
function NotifyNeedRepath()
|
||
|
|
{
|
||
|
|
if(CachedChildCommand != none)
|
||
|
|
{
|
||
|
|
`AILog( GetFuncName()$"() "$self$" called, letting "$CachedChildCommand$" decide what to do about it.", 'PathWarning' );
|
||
|
|
CachedChildCommand.NotifyNeedRepath();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
`AILog( GetFuncName()$"() "$self$" called.", 'PathWarning' );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*********************************************************************************************
|
||
|
|
* Debugging
|
||
|
|
********************************************************************************************* */
|
||
|
|
|
||
|
|
/** Update command history (debugging) */
|
||
|
|
function UpdateCommandHistory()
|
||
|
|
{
|
||
|
|
local int i;
|
||
|
|
|
||
|
|
if( Outer.Pawn != none )
|
||
|
|
{
|
||
|
|
for( i = 0; i < KFAICommandHistory.Length; i++ )
|
||
|
|
{
|
||
|
|
if( KFAICommandHistory[i].CmdName != "" && KFAICommandHistory[i].CmdName == string( Name ) )
|
||
|
|
{
|
||
|
|
if( Status == 'Aborted' )
|
||
|
|
{
|
||
|
|
KFAICommandHistory[i].bAborted = true;
|
||
|
|
}
|
||
|
|
if( Status == 'Failure')
|
||
|
|
{
|
||
|
|
KFAICommandHistory[i].bFailure = true;
|
||
|
|
}
|
||
|
|
if( Status == 'Success')
|
||
|
|
{
|
||
|
|
KFAICommandHistory[i].bSuccess = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
UpdateHistoryString( "Status: "$Status );
|
||
|
|
//HistoryString = "Status: "$Status;
|
||
|
|
KFAICommandHistory[i].Duration = `TimeSince(KFAICommandHistory[i].TimeStamp);
|
||
|
|
KFAICommandHistory[i].VerboseString = HistoryString;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Update the command's HistoryString, which is output when DumpCommandHistory() is called */
|
||
|
|
function UpdateHistoryString( string AddString )
|
||
|
|
{
|
||
|
|
if( Outer.Pawn != none )
|
||
|
|
{
|
||
|
|
if( CommandHistoryNum > 0 )
|
||
|
|
{
|
||
|
|
HistoryString = HistoryString$" "$AddString;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Debug event to draw command-specific text to HUD */
|
||
|
|
simulated event DrawDebug( HUD H, Name Category )
|
||
|
|
{
|
||
|
|
if( ChildCommand != None )
|
||
|
|
{
|
||
|
|
ChildCommand.DrawDebug( H,Category );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Used when dumping command history to log file */
|
||
|
|
event string GetDebugVerboseText()
|
||
|
|
{
|
||
|
|
return HistoryString;
|
||
|
|
}
|
||
|
|
|
||
|
|
/** Is this AICommand permitted to interrupt an active AICommand_Pause? */
|
||
|
|
static function bool CanInterruptPauseCommand()
|
||
|
|
{
|
||
|
|
return default.bInterruptPauseCommand;
|
||
|
|
}
|
||
|
|
|
||
|
|
DefaultProperties
|
||
|
|
{
|
||
|
|
bAllowedToAttack=true
|
||
|
|
bInterruptPauseCommand=false
|
||
|
|
bDisableMovementPluginOnPushed=true
|
||
|
|
}
|