474 lines
16 KiB
Ucode
474 lines
16 KiB
Ucode
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//=============================================================================
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// AICommand_MoveToEnemy
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//=============================================================================
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// Base command for moving to enemy - will build path and call MoveToGoal
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// command to start the movement.
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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_MoveToEnemy extends AICommand
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within KFAIController;
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var Actor Path, Find;
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var float Radius;
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/** Number of times remaining we can fail the MoveToGoal before we give up */
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var int MoveTriesRemaining;
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/** If this is true, we will move all the way to the enemy instead of just to the first goal */
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var bool bCompleteMove;
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/** How close to get to the enemy (only valid of bCompleteMove is true) */
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var float GoalDistance;
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/** If enemy gets this far from us we should abandon the move */
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var float AbandonDistance;
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/** Last location of enemy... if they've moved too much, redo pathing */
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var BasedPosition LastEnemyLocation;
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/** Are we allowed to fire during this move? */
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var bool bAllowedToAttackDuringMove;
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/** If the enemy moves more than this distance away from where it was when we pathed, repath */
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var float RepathDistance;
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/** override for movement focus */
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var Actor OverrideFocus;
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/*********************************************************************************************
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* Push/Pause/Pop/Init
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********************************************************************************************* */
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/** Simple constructor that pushes a new instance of the command for the AI */
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static function bool MoveToEnemy( KFAIController AI, bool bInCompleteMove, float InGoalDistance, float InAbandonDistance, optional bool bInAllowedToAttackDuringMove=true, optional actor InFocusOverride=none )
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{
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local AICommand_MoveToEnemy Cmd;
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if( AI != None && AI.Pawn != None )
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{
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Cmd = new(AI) class'AICommand_MoveToEnemy';
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if( Cmd != None )
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{
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Cmd.bCompleteMove = bInCompleteMove;
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Cmd.GoalDistance = InGoalDistance;
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Cmd.AbandonDistance = InAbandonDistance;
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Cmd.bAllowedToAttackDuringMove = bInAllowedToAttackDuringMove;
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Cmd.OverrideFocus = InFocusOverride;
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AI.PushCommand( Cmd );
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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 Pushed()
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{
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`AILog( self@GetFuncName()$"() current dist to enemy: "$VSize(Enemy.Location - Pawn.Location), 'Command_MoveToEnemy' );
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Super.Pushed();
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bMovingToEnemy = true;
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SprintTimer();
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SetTimer( 1.5f + FRand(), false, nameof( SprintTimer ), self );
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GotoState( 'Moving' );
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}
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function Popped()
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{
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if( Pawn != none && Enemy != none )
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{
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`AILog( self@GetFuncName()$"() current dist to enemy: "$VSize(Enemy.Location - Pawn.Location), 'Command_MoveToEnemy' );
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}
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Super.Popped();
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`AILog( self@GetFuncName()$"()", 'Command_MoveToEnemy' );
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ClearTimer( 'CheckReachedEnemy', self );
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ClearTimer( nameof(CheckEnemyMoved), self );
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ClearTimer( nameof(self.DirectMoveTimeout),self );
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bFailedToMoveToEnemy = ( Status != 'Success' );
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bMovingToEnemy = false;
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if( bFailedToMoveToEnemy )
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{
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if( Pawn != none )
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UpdateHistoryString( "Popped but failed to move to enemy at "$Pawn.Location$" Time: "$WorldInfo.TimeSeconds );
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}
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}
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function Paused( GameAICommand NewCommand )
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{
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Super.Paused( NewCommand );
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if( Enemy != none )
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{
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`AILog( GetFuncName()$" "$self$" Paused, replaced by "$NewCommand$" [and dist to enemy: "$VSize(Enemy.Location - Pawn.Location)$"]", 'Command_MoveToEnemy' );
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}
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PauseTimer( true, 'CheckReachedEnemy', self );
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PauseTimer( true, nameof(CheckEnemyMoved), self );
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PauseTimer( true, nameof(self.DirectMoveTimeout),self );
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}
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function Resumed( name OldCommandName )
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{
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Super.Resumed( OldCommandName );
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if( Enemy != none )
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{
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`AILog( GetFuncName()$" "$self$" Resumed, OldCommand: "$OldCommandName$" [and dist to enemy: "$VSize(Enemy.Location - Pawn.Location)$"]", 'Command_MoveToEnemy' );
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}
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PauseTimer( false, 'CheckReachedEnemy', self );
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PauseTimer( false, nameof(CheckEnemyMoved), self );
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PauseTimer( false, nameof(self.DirectMoveTimeout),self );
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if( !bCompleteMove )
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{
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`AILog( GetFuncName()$"() popping command because !bCompleteMove on resume", 'Command_MoveToEnemy' );
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Status = ChildStatus;
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PopCommand( self );
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}
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}
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/*********************************************************************************************
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* Combat related
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********************************************************************************************* */
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function bool NotifyPlayerBecameVisible( Pawn VisiblePlayer )
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{
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if( CachedChildCommand != None )
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{
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`AILog( GetFuncName()$"() 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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`AILog( GetFuncName()$" "$VisiblePlayer$" ignoring this event", 'SeePlayer' );
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return false;
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}
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/*********************************************************************************************
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* Movement & Pathfinding
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********************************************************************************************* */
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function SprintTimer()
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{
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if( MyKFPawn != none && MyKFPawn.IsAliveAndWell() && Enemy != none )
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{
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if( VSize( Pawn.Velocity ) > 0.f )
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{
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UpdateSprintFrustration();
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if( ShouldSprint() || MyKFPawn.bSprintOverride)
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{
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MyKFPawn.SetSprinting( true );
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}
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else
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{
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MyKFPawn.SetSprinting( false );
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}
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}
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}
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SetTimer( 1.5f + FRand(), false, nameof( SprintTimer ), self ); // ToDo: Disable
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}
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function CheckReachedEnemy()
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{
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local float DistToEnemySq;
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// only abort if we don't have a child, or our child is a move command.. otherwise let it slide
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if( ChildCommand == none || (ChildCommand.IsA('AICommand_MoveToGoal') && ChildCommand.ChildCommand == none) )
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{
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if( Enemy != None || !Enemy.IsAliveAndWell() )
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{
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DistToEnemySq = VSizeSq(Enemy.Location-Pawn.Location);
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`AIlog( GetFuncName()$"() Dist: "$VSize(Enemy.Location-Pawn.Location)$" GoalDistance: "$GoalDistance$" checking IsWithinAttackRange()", 'ReachedEnemy');
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if( IsDoingAttackSpecialMove() )
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{
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`AILog( GetFuncName()$"() IsWithinAttackRange(): I've reached enemy (Dist:"$Sqrt(DistToEnemySq)$") calling AbortCommand", 'ReachedEnemy' );
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// if( !MyKFPawn.IsPawnMovingAwayFromMe( Enemy ) )
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// {
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AbortCommand( self );
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// }
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}
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else if( AbandonDistance > 0.f && DistToEnemySq >= AbandonDistance*AbandonDistance )
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{
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`AILog( self$" Move took us outside abandon dist...", 'ReachedEnemy' );
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AbortCommand( self );
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}
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}
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else
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{
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`AILog( "Enemy is no longer valid, aborting command", 'ReachedEnemy' );
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AbortCommand( self );
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}
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}
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else
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{
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if( ChildCommand == none )
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{
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`AILog( GetFuncName()$"() skipping reached evaluation because ChildCommand is NONE", 'ReachedEnemy' );
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}
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else if( ChildCommand.IsA('AICommand_MoveToGoal') && ChildCommand.ChildCommand == none )
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{
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`AILog( GetFuncName()$"() skipping reached evaluation because ChildCommand is a MoveToGoal command and has no child of its own", 'ReachedEnemy' );
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}
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}
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}
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function CheckEnemyMoved()
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{
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local float DistSq;
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`AILog( GetFuncName(), 'Command_MoveToEnemy' );
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if(Find != none)
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{
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DistSq = VSizeSq( Find.Location - BP2Vect(LastEnemyLocation) );
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if( DistSq > RepathDistance*RepathDistance && !IsValidDirectMoveGoal(Find) )
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{
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if(ChildCommand!=none)
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{
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// if( !MyKFPawn.IsPawnMovingAwayFromMe( Enemy ) )
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// {
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// MoveTriesRemaining=default.MoveTriesRemaining+1;
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// AbortCommand(ChildCommand);
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// }
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}
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}
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}
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}
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function DirectMoveTimeout()
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{
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`AILog( GetFuncName()$"() - not doing anything, though.", 'Command_MoveToEnemy' );
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// if( !MyKFPawn.IsPawnMovingAwayFromMe( Enemy ) )
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// {
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// `AILog("Was moving directly to enemy, but it took too long and we were bCompleteMove=false, aborting");
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// AbortCommand(self);
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// }
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}
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/*********************************************************************************************
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* Debug
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********************************************************************************************* */
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/** Build debug string */
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event String GetDumpString()
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{
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return Super.GetDumpString()@Enemy@GoalDistance@bCompleteMove;
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}
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/*********************************************************************************************
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* Moving to Enemy State
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********************************************************************************************* */
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function JumpToTarget()
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{
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local Vector Suggested;
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if( Enemy != none )
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{
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MyKFPawn.SuggestJumpVelocity( Suggested, Enemy.Location, Pawn.Location );
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MyKFPawn.Velocity = Suggested;
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MoveTarget = Enemy;
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//MyKFPawn.Acceleration = vect( 0,0,0 );
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MyKFPawn.SetPhysics( PHYS_Falling );
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}
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}
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state Moving `DEBUGSTATE
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{
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Begin:
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if( MyKFPawn.Physics == PHYS_Falling )
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{
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WaitForLanding();
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}
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`AILog( "[Begin Label]"@GetSTatename(), 'Command_MoveToEnemy');
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// UnMark failure to move
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bFailedToMoveToEnemy = false;
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if( Enemy == None )
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{
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SelectEnemy();
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}
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if( Enemy != none && !IsDoingAttackSpecialMove() && MoveIsInterruptable() )
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{
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`AILog( "Found valid enemy: "$Enemy, 'Command_MoveToEnemy' );
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bReachedMoveGoal = false;
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Radius = Pawn.GetCollisionRadius() + Enemy.GetCollisionRadius() + Pawn.MeleeRange + 1.0;
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//[NEW] Commented out 10/10
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Radius = FMax( 0.f, GoalDistance - Radius ); // subtract because collision radius already considered by ReachedDestination()
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Find = Enemy;
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Loop:
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// If enemy directly reachable
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`AILog( "Loop Label "$find, 'Command_MoveToEnemy' );
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SetBasedPosition( LastEnemyLocation, Find.Location );
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// Is Pawn closer than maximum 'basic' attack tag range?
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if( IsDoingAttackSpecialMove() )
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{
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`AIlog( self$" [Cleaning up and returning Success status] IsWithinAttackRange returned TRUE DIST: "$VSize( Enemy.Location - Pawn.Location )$" <= MeleeAttackHelper range ("$MyKFPawn.MeleeAttackHelper.GetMeleeRange()$")", 'Command_MoveToEnemy' );
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ClearTimer( 'CheckReachedEnemy', self );
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ClearTimer( nameof(self.DirectMoveTimeout ),self);
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ClearTimer( nameof(CheckEnemyMoved ), self);
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Status = 'Success';
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PopCommand( self );
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Stop;
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}
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else if( IsValidDirectMoveGoal( Find ) )
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{
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// WIP - Disabled until ready
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/*
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if( Pawn.bCrawler )
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{
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MyKFPawn.SetSprinting( true );
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MyKFPawn.bIsSprinting = true;
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}
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if( Pawn.Physics == PHYS_Spider )
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{
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JumpToTarget();
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if( Pawn.Physics == PHYS_Falling )
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{
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WaitForLanding();
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Goto( 'Begin' );
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}
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}
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*/
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`AILog( "Enemy "$Find$" - IsValidDirectMoveGoal() returned true, trying direct move...", 'Command_MoveToEnemy' );
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SetTimer( 0.1f, true, nameof(CheckEnemyMoved), self);
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SetTimer( 0.1f, true, nameof(self.CheckReachedEnemy), self );
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if( !bUseNavMesh || !bUsePluginsForMovement )
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{
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`AILog( self$" Calling SetMoveGoal() for enemy, using offset "$Radius$", with bCanPathFind = false", 'Command_MoveToEnemy' );
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SetMoveGoal( Find,, true, Radius,, false,, bAllowedToAttackDuringMove );
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}
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if( Enemy != none )
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{
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`AILog( self$" Done moving to goal, distance is now "$VSize(Enemy.Location - Pawn.Location), 'Command_MoveToEnemy' );
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}
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if( ChildStatus != 'Success' )
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{
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if( Enemy != none )
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{
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`AILog( "Child status was not successful, MoveTriesRemaining: "$MoveTriesRemaining$" Enemy Dist: "$VSize(Enemy.Location - Pawn.Location) );
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}
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if( --MoveTriesRemaining <= 0)
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{
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`AILog( "Child failed or aborted, and we're out of move tries.. failing", 'Command_MoveToEnemy' );
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UpdateHistoryString( "Child failed or aborted, and we're out of move tries at "$WorldInfo.TimeSeconds$"]" );
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GotoState( 'DelayFailure' );
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}
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else
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{
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Goto( 'Loop' );
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}
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}
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ClearTimer( 'CheckReachedEnemy', self );
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ClearTimer( nameof(self.DirectMoveTimeout ),self );
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ClearTimer( nameof(CheckEnemyMoved), self );
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`AILog( "Finished moving to enemy", 'Command_MoveToEnemy' );
|
||
|
|
Status = 'Success';
|
||
|
|
Sleep(0.f);
|
||
|
|
PopCommand( self );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if( Enemy != none )
|
||
|
|
{
|
||
|
|
`AILog( "Trying to build path to enemy who is currently "$VSize( Enemy.Location - Pawn.Location )$" units away", 'Command_MoveToEnemy' );
|
||
|
|
}
|
||
|
|
if( Pawn.Anchor == none )
|
||
|
|
{
|
||
|
|
SetBestAnchor();
|
||
|
|
}
|
||
|
|
// Try to find path to enemy
|
||
|
|
Path = GeneratePathTo( Find,, true );
|
||
|
|
// If no path available
|
||
|
|
if( Path == None )
|
||
|
|
{
|
||
|
|
`AILog( "Attempt to build path failed, going to DelayFailure state and calling SetFailedPathToEnemy()", 'PathWarning' );
|
||
|
|
if( MyKFPawn.bCrawler && MyKFPawn.Physics == PHYS_Spider )
|
||
|
|
{
|
||
|
|
MyKFPawn.SetPhysics(PHYS_Falling);
|
||
|
|
WaitForLanding();
|
||
|
|
}
|
||
|
|
// Update failed path time
|
||
|
|
SetFailedPathToEnemy( Enemy );
|
||
|
|
GotoState( 'DelayFailure' );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if( VSize(Find.Location - Pawn.Location) <= StrikeRange )
|
||
|
|
{
|
||
|
|
GotoState( 'DelayFailure' );
|
||
|
|
}
|
||
|
|
else if( !bCompleteMove )
|
||
|
|
{
|
||
|
|
`AILog( "Built path to enemy, bComplete move was false.. Pawn.Anchor: "$Pawn.Anchor$" Path: "$Path$" AnchorDist: "$VSize(Pawn.Location - Pawn.Anchor.Location), 'Command_MoveToEnemy' );
|
||
|
|
//if( RouteCache.Length > 0 )
|
||
|
|
//{
|
||
|
|
// `log( "Pawn.RouteCache[0]: "$RouteCache[0] );
|
||
|
|
// `log( "Pawn.RouteCache[1]: "$RouteCache[1] );
|
||
|
|
// `log( "Pawn.RouteCache[2]: "$RouteCache[2] );
|
||
|
|
//}
|
||
|
|
// Move to first path...
|
||
|
|
// will research for new path when reached first one
|
||
|
|
// make sure we don't try to move to our anchor
|
||
|
|
if( Path == Pawn.Anchor )
|
||
|
|
{
|
||
|
|
`AILog( "Preventing myself from moving to my anchor ("$Pawn.Anchor$") as my first path goal", 'Command_MoveToEnemy' );
|
||
|
|
Path = RouteCache[1];
|
||
|
|
|
||
|
|
// clip off the end of the routecache
|
||
|
|
if(RouteCache.length > 2)
|
||
|
|
{
|
||
|
|
RouteCache_RemoveIndex(2,RouteCache.length-2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if(RouteCache.length > 1)
|
||
|
|
{
|
||
|
|
RouteCache_RemoveIndex(1,RouteCache.length-1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
Path = Find;
|
||
|
|
}
|
||
|
|
SetTimer( 0.5, true, nameof(CheckEnemyMoved), self );
|
||
|
|
SetTimer( 0.5f, true, nameof(CheckReachedEnemy), self );
|
||
|
|
if( !bUseNavMesh || !bUsePluginsForMovement )
|
||
|
|
{
|
||
|
|
// Have bValidCache true first time, but false after that
|
||
|
|
`AILog( "Starting move to goal "$Path$" which is currently "$VSize( Path.Location - Pawn.Location )$" units away", 'Command_MoveToEnemy' );
|
||
|
|
SetMoveGoal( Path,, true,, true,,,bAllowedToAttackDuringMove );
|
||
|
|
}
|
||
|
|
// (untested) SetMoveGoal( Path,, true, StrikeRange, true,,,bAllowedToAttackDuringMove );
|
||
|
|
`AILog( "Finished move to goal "$Path$" which is now "$VSize( Path.Location - Pawn.Location )$" units away", 'Command_MoveToEnemy' );
|
||
|
|
|
||
|
|
ClearTimer( 'CheckReachedEnemy', self );
|
||
|
|
ClearTimer( 'CheckEnemyMoved', self );
|
||
|
|
|
||
|
|
if( ChildStatus != 'Success' && --MoveTriesRemaining <= 0 )
|
||
|
|
{
|
||
|
|
`AILog( "Going to DelayedFailure state because ChildStatus is failed and MoveTriesRemaining: "$MoveTriesRemaining, 'Command_MoveToENemy' );
|
||
|
|
GotoState( 'DelayFailure' );
|
||
|
|
}
|
||
|
|
Sleep(0.0);
|
||
|
|
if( Enemy == none )
|
||
|
|
{
|
||
|
|
`AILog( "Lost enemy or enemy became invalid, aborting", 'Command_MoveToEnemy' );
|
||
|
|
AbortCommand( self );
|
||
|
|
}
|
||
|
|
Goto( 'Loop' );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
`AILog( "No valid enemy, or not allowed to move.. bailing ValidEnemy?:"@Enemy@"Allowed to move?"@AllowedToMove()@"Move Interruptable?"@MoveIsInterruptable(), 'Command_MoveToEnemy' );
|
||
|
|
GotoState( 'DelayFailure' );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
defaultproperties
|
||
|
|
{
|
||
|
|
MoveTriesRemaining=3
|
||
|
|
bAllowedToAttack=false
|
||
|
|
RepathDistance=1224.f
|
||
|
|
}
|