Complete overhaul for the CTF script (#830)v1.27.7-rc2

Refactors CTF script that was dearly needed for a while

1 files changed, 220 insertions, 138 deletions

diff --git a/Northstar.CustomServers/mod/scripts/vscripts/gamemodes/_gamemode_ctf.nut b/Northstar.CustomServers/mod/scripts/vscripts/gamemodes/_gamemode_ctf.nut
index c82dcf8fc..85b80d744 100644
--- a/Northstar.CustomServers/mod/scripts/vscripts/gamemodes/_gamemode_ctf.nut
+++ b/Northstar.CustomServers/mod/scripts/vscripts/gamemodes/_gamemode_ctf.nut
@@ -1,5 +1,4 @@
 untyped
-// this needs a refactor lol
 
 global function CaptureTheFlag_Init
 global function RateSpawnpoints_CTF
@@ -12,16 +11,31 @@ const array<string> SWAP_FLAG_MAPS = [
 struct {
 	entity imcFlagSpawn
 	entity imcFlag
-	entity imcFlagReturnTrigger
 	
 	entity militiaFlagSpawn
 	entity militiaFlag
-	entity militiaFlagReturnTrigger
 	
 	array<entity> imcCaptureAssistList
 	array<entity> militiaCaptureAssistList
 } file
 
+
+
+
+
+
+
+
+
+
+/*
+ ██████  █████  ██████  ████████ ██    ██ ██████  ███████     ████████ ██   ██ ███████     ███████ ██       █████   ██████  
+██      ██   ██ ██   ██    ██    ██    ██ ██   ██ ██             ██    ██   ██ ██          ██      ██      ██   ██ ██       
+██      ███████ ██████     ██    ██    ██ ██████  █████          ██    ███████ █████       █████   ██      ███████ ██   ███ 
+██      ██   ██ ██         ██    ██    ██ ██   ██ ██             ██    ██   ██ ██          ██      ██      ██   ██ ██    ██ 
+ ██████ ██   ██ ██         ██     ██████  ██   ██ ███████        ██    ██   ██ ███████     ██      ███████ ██   ██  ██████  
+*/
+
 void function CaptureTheFlag_Init()
 {
 	PrecacheModel( CTF_FLAG_MODEL )
@@ -30,30 +44,31 @@ void function CaptureTheFlag_Init()
 	PrecacheParticleSystem( FLAG_FX_ENEMY )
 	
 	CaptureTheFlagShared_Init()
+	
 	SetSwitchSidesBased( true )
 	SetSuddenDeathBased( true )
+	
 	SetShouldUseRoundWinningKillReplay( true )
-	SetRoundWinningKillReplayKillClasses( false, false ) // make these fully manual
+	SetRoundWinningKillReplayKillClasses( false, false )
 	
 	AddCallback_OnClientConnected( CTFInitPlayer )
-
+	AddCallback_OnClientDisconnected( CTFPlayerDisconnected )
+	
 	AddCallback_GameStateEnter( eGameState.Prematch, CreateFlags )
 	AddCallback_GameStateEnter( eGameState.Epilogue, RemoveFlags )
+	AddCallback_GameStateEnter( eGameState.Playing, OnPlaying )
+	
 	AddCallback_OnTouchHealthKit( "item_flag", OnFlagCollected )
+	
 	AddCallback_OnPlayerKilled( OnPlayerKilled )
 	AddCallback_OnPilotBecomesTitan( DropFlagForBecomingTitan )
 	
-	SetSpawnZoneRatingFunc( DecideSpawnZone_CTF )
 	AddSpawnpointValidationRule( VerifyCTFSpawnpoint )
 	
-	RegisterSignal( "FlagReturnEnded" )
 	RegisterSignal( "ResetDropTimeout" )
 	
-	// setup stuff for the functions in sh_gamemode_ctf
-	// don't really like using level for stuff but just how it be
 	level.teamFlags <- {}
 	
-	// setup score event earnmeter values
 	ScoreEvent_SetEarnMeterValues( "KillPilot", 0.05, 0.20 )
 	ScoreEvent_SetEarnMeterValues( "Headshot", 0.0, 0.02 )
 	ScoreEvent_SetEarnMeterValues( "FirstStrike", 0.0, 0.05 )
@@ -67,33 +82,42 @@ void function CaptureTheFlag_Init()
 	ScoreEvent_SetEarnMeterValues( "FlagReturn", 0.0, 0.20 )
 }
 
+
+
+
+
+
+
+
+
+/*
+███████ ██████   █████  ██     ██ ███    ██     ██       ██████   ██████  ██  ██████ 
+██      ██   ██ ██   ██ ██     ██ ████   ██     ██      ██    ██ ██       ██ ██      
+███████ ██████  ███████ ██  █  ██ ██ ██  ██     ██      ██    ██ ██   ███ ██ ██      
+     ██ ██      ██   ██ ██ ███ ██ ██  ██ ██     ██      ██    ██ ██    ██ ██ ██      
+███████ ██      ██   ██  ███ ███  ██   ████     ███████  ██████   ██████  ██  ██████ 
+*/
+
 void function CreateFlags()
 {	
 	if ( IsValid( file.imcFlagSpawn ) )
 	{
 		file.imcFlagSpawn.Destroy()
 		file.imcFlag.Destroy()
-		file.imcFlagReturnTrigger.Destroy()
 	}
 	if ( IsValid( file.militiaFlagSpawn ) )
 	{
 		file.militiaFlagSpawn.Destroy()
 		file.militiaFlag.Destroy()
-		file.militiaFlagReturnTrigger.Destroy()
 	}
 
 	foreach ( entity spawn in GetEntArrayByClass_Expensive( "info_spawnpoint_flag" ) )
 	{
-		// on some maps flags are on the opposite side from what they should be
-		// likely this is because respawn uses distance checks from spawns to check this in official
-		// but i don't like doing that so just using a list of maps to swap them on lol
 		bool switchedSides = HasSwitchedSides() == 1
-
-		// i dont know why this works and whatever we had before didn't, but yeah
+		
 		bool shouldSwap = switchedSides 
-		if (!shouldSwap && SWAP_FLAG_MAPS.contains( GetMapName() ))
+		if ( !shouldSwap && SWAP_FLAG_MAPS.contains( GetMapName() ) )
 			shouldSwap = !shouldSwap
-		
 
 		int flagTeam = spawn.GetTeam()
 		if ( shouldSwap )
@@ -101,48 +125,33 @@ void function CreateFlags()
 			flagTeam = GetOtherTeam( flagTeam )
 			SetTeam( spawn, flagTeam )
 		}
-	
-		// create flag base
+		
 		entity base = CreatePropDynamic( CTF_FLAG_BASE_MODEL, spawn.GetOrigin(), spawn.GetAngles(), 0 )
 		SetTeam( base, spawn.GetTeam() )
 		svGlobal.flagSpawnPoints[ flagTeam ] = base
 		
-		// create flag
 		entity flag = CreateEntity( "item_flag" )
 		flag.SetValueForModelKey( CTF_FLAG_MODEL )
 		SetTeam( flag, flagTeam )
 		flag.MarkAsNonMovingAttachment()
-		flag.Minimap_AlwaysShow( TEAM_IMC, null ) // show flag icon on minimap
+		flag.Minimap_AlwaysShow( TEAM_IMC, null )
 		flag.Minimap_AlwaysShow( TEAM_MILITIA, null )
 		flag.Minimap_SetAlignUpright( true )
 		DispatchSpawn( flag )
 		flag.SetModel( CTF_FLAG_MODEL )
-		flag.SetOrigin( spawn.GetOrigin() + < 0, 0, base.GetBoundingMaxs().z * 2 > ) // ensure flag doesn't spawn clipped into geometry
+		flag.SetOrigin( spawn.GetOrigin() + < 0, 0, base.GetBoundingMaxs().z * 2 > )
 		flag.SetVelocity( < 0, 0, 1 > )
 		
 		flag.s.canTake <- true
-		flag.s.playersReturning <- []
 		
 		level.teamFlags[ flag.GetTeam() ] <- flag
-			
-		entity returnTrigger = CreateEntity( "trigger_cylinder" )
-		SetTeam( returnTrigger, flagTeam )
-		returnTrigger.SetRadius( CTF_GetFlagReturnRadius() )
-		returnTrigger.SetAboveHeight( CTF_GetFlagReturnRadius() )
-		returnTrigger.SetBelowHeight( CTF_GetFlagReturnRadius() )
-		
-		returnTrigger.SetEnterCallback( OnPlayerEntersFlagReturnTrigger )
-		returnTrigger.SetLeaveCallback( OnPlayerExitsFlagReturnTrigger )
 		
-		DispatchSpawn( returnTrigger )
-		
-		thread TrackFlagReturnTrigger( flag, returnTrigger )
+		thread FlagProximityTracker( flag )
 			
 		if ( flagTeam == TEAM_IMC )
 		{
 			file.imcFlagSpawn = base
 			file.imcFlag = flag
-			file.imcFlagReturnTrigger = returnTrigger
 			
 			SetGlobalNetEnt( "imcFlag", file.imcFlag )
 			SetGlobalNetEnt( "imcFlagHome", file.imcFlagSpawn )
@@ -151,52 +160,76 @@ void function CreateFlags()
 		{
 			file.militiaFlagSpawn = base
 			file.militiaFlag = flag
-			file.militiaFlagReturnTrigger = returnTrigger
 			
 			SetGlobalNetEnt( "milFlag", file.militiaFlag )
 			SetGlobalNetEnt( "milFlagHome", file.militiaFlagSpawn )
 		}
 	}
 	
-	// reset the flag states, prevents issues where flag is home but doesnt think it's home when halftime goes
 	SetFlagStateForTeam( TEAM_MILITIA, eFlagState.None )
 	SetFlagStateForTeam( TEAM_IMC, eFlagState.None )
-	
-	foreach ( entity player in GetPlayerArray() )
-		CTFInitPlayer( player )
 }
 
 void function RemoveFlags()
 {
-	// destroy all the flag related things
 	if ( IsValid( file.imcFlagSpawn ) )
 	{
 		PlayFX( $"P_phase_shift_main", file.imcFlagSpawn.GetOrigin() )
 		file.imcFlagSpawn.Destroy()
 		file.imcFlag.Destroy()
-		file.imcFlagReturnTrigger.Destroy()
 	}
+	
 	if ( IsValid( file.militiaFlagSpawn ) )
 	{
 		PlayFX( $"P_phase_shift_main", file.militiaFlagSpawn.GetOrigin() )
 		file.militiaFlagSpawn.Destroy()
 		file.militiaFlag.Destroy()
-		file.militiaFlagReturnTrigger.Destroy()
 	}
-
-	// unsure if this is needed, since the flags are destroyed? idk
+	
 	SetFlagStateForTeam( TEAM_MILITIA, eFlagState.None )
 	SetFlagStateForTeam( TEAM_IMC, eFlagState.None )
 }
 
 void function RateSpawnpoints_CTF( int checkClass, array<entity> spawnpoints, int team, entity player ) 
 {
-	RateSpawnpoints_SpawnZones( checkClass, spawnpoints, team, player )
+	vector allyFlagSpot
+	vector enemyFlagSpot
+	foreach ( entity spawn in GetEntArrayByClass_Expensive( "info_spawnpoint_flag" ) )
+	{
+		if( spawn.GetTeam() == team )
+			allyFlagSpot = spawn.GetOrigin()
+		else
+			enemyFlagSpot = spawn.GetOrigin()
+	}
+	
+	foreach ( entity spawn in spawnpoints )
+	{
+		float rating = 0.0
+		float allyFlagDistance = Distance2D( spawn.GetOrigin(), allyFlagSpot )
+		float enemyFlagDistance = Distance2D( spawn.GetOrigin(), enemyFlagSpot )
+		
+		if( enemyFlagDistance > allyFlagDistance )
+		{
+			rating += spawn.NearbyAllyScore( team, "ai" )
+			rating += spawn.NearbyAllyScore( team, "titan" )
+			rating += spawn.NearbyAllyScore( team, "pilot" )
+			
+			rating += spawn.NearbyEnemyScore( team, "ai" )
+			rating += spawn.NearbyEnemyScore( team, "titan" )
+			rating += spawn.NearbyEnemyScore( team, "pilot" )
+		
+			rating = rating / allyFlagDistance
+		}
+
+		if ( spawn == player.p.lastSpawnPoint )
+			rating += GetConVarFloat( "spawnpoint_last_spawn_rating" )
+		
+		spawn.CalculateRating( checkClass, team, rating, rating * 0.25 )
+	}
 }
 
 bool function VerifyCTFSpawnpoint( entity spawnpoint, int team )
 {
-	// ensure spawnpoints aren't too close to enemy base
 	vector allyFlagSpot
 	vector enemyFlagSpot
 	foreach ( entity spawn in GetEntArrayByClass_Expensive( "info_spawnpoint_flag" ) )
@@ -213,23 +246,62 @@ bool function VerifyCTFSpawnpoint( entity spawnpoint, int team )
 	return true
 }
 
+
+
+
+
+
+
+
+
+/*
+██████  ██       █████  ██    ██ ███████ ██████      ██       ██████   ██████  ██  ██████ 
+██   ██ ██      ██   ██  ██  ██  ██      ██   ██     ██      ██    ██ ██       ██ ██      
+██████  ██      ███████   ████   █████   ██████      ██      ██    ██ ██   ███ ██ ██      
+██      ██      ██   ██    ██    ██      ██   ██     ██      ██    ██ ██    ██ ██ ██      
+██      ███████ ██   ██    ██    ███████ ██   ██     ███████  ██████   ██████  ██  ██████ 
+*/
+
+void function OnPlaying()
+{
+	foreach ( entity player in GetPlayerArray() )
+		CTFInitPlayer( player )
+}
+
 void function CTFInitPlayer( entity player )
 {
-	if ( !IsValid( file.imcFlagSpawn ) )
+	if ( !GamePlaying() )
 		return
 	
-	vector imcSpawn = file.imcFlagSpawn.GetOrigin()
-	Remote_CallFunction_NonReplay( player, "ServerCallback_SetFlagHomeOrigin", TEAM_IMC, imcSpawn.x, imcSpawn.y, imcSpawn.z )
+	if ( IsValid( file.imcFlagSpawn ) )
+	{
+		vector imcSpawn = file.imcFlagSpawn.GetOrigin()
+		Remote_CallFunction_NonReplay( player, "ServerCallback_SetFlagHomeOrigin", TEAM_IMC, imcSpawn.x, imcSpawn.y, imcSpawn.z )
+	}
+	
+	if ( IsValid( file.militiaFlagSpawn ) )
+	{
+		vector militiaSpawn = file.militiaFlagSpawn.GetOrigin()
+		Remote_CallFunction_NonReplay( player, "ServerCallback_SetFlagHomeOrigin", TEAM_MILITIA, militiaSpawn.x, militiaSpawn.y, militiaSpawn.z )
+	}
+}
+
+void function CTFPlayerDisconnected( entity player )
+{
+	// This has no validity checks on the player because the disconnection callback happens in the exact last frame the player entity still exists
+	if( !GamePlaying() )
+		return
 	
-	vector militiaSpawn = file.militiaFlagSpawn.GetOrigin()
-	Remote_CallFunction_NonReplay( player, "ServerCallback_SetFlagHomeOrigin", TEAM_MILITIA, militiaSpawn.x, militiaSpawn.y, militiaSpawn.z )
+	if ( PlayerHasEnemyFlag( player ) )
+		DropFlag( player, false )
 }
 
 void function OnPlayerKilled( entity victim, entity attacker, var damageInfo )
 {
 	if ( !IsValid( GetFlagForTeam( GetOtherTeam( victim.GetTeam() ) ) ) ) // getting a crash idk
 		return
-	if ( GetFlagForTeam( GetOtherTeam( victim.GetTeam() ) ).GetParent() == victim )
+	
+	if ( PlayerHasEnemyFlag( victim ) )
 	{
 		if ( victim != attacker && attacker.IsPlayer() )
 			AddPlayerScore( attacker, "FlagCarrierKill", victim )
@@ -238,31 +310,35 @@ void function OnPlayerKilled( entity victim, entity attacker, var damageInfo )
 	}
 }
 
-void function TrackFlagReturnTrigger( entity flag, entity returnTrigger )
-{
-	// this is a bit of a hack, it seems parenting the return trigger to the flag actually sets the pickup radius of the flag to be the same as the trigger
-	// this isn't wanted since only pickups should use that additional radius
-	flag.EndSignal( "OnDestroy" )
-		
-	while ( true )
-	{
-		returnTrigger.SetOrigin( flag.GetOrigin() )
-		WaitFrame()
-	}
-}
 
 
+
+
+
+
+
+
+
+
+/*
+███████ ██       █████   ██████      ██       ██████   ██████  ██  ██████ 
+██      ██      ██   ██ ██           ██      ██    ██ ██       ██ ██      
+█████   ██      ███████ ██   ███     ██      ██    ██ ██   ███ ██ ██      
+██      ██      ██   ██ ██    ██     ██      ██    ██ ██    ██ ██ ██      
+██      ███████ ██   ██  ██████      ███████  ██████   ██████  ██  ██████ 
+*/
+
 bool function OnFlagCollected( entity player, entity flag )
 {
 	if ( !IsAlive( player ) || flag.GetParent() != null || player.IsTitan() || player.IsPhaseShifted() ) 
 		return false
 
 	if ( player.GetTeam() != flag.GetTeam() && flag.s.canTake )
-		GiveFlag( player, flag ) // pickup enemy flag
+		GiveFlag( player, flag )
 	else if ( player.GetTeam() == flag.GetTeam() && IsFlagHome( flag ) && PlayerHasEnemyFlag( player ) )
-		CaptureFlag( player, GetFlagForTeam( GetOtherTeam( flag.GetTeam() ) ) ) // cap the flag
+		CaptureFlag( player, GetFlagForTeam( GetOtherTeam( flag.GetTeam() ) ) )
 
-	return false // don't wanna delete the flag entity
+	return false // Don't delete the flag
 }
 
 void function GiveFlag( entity player, entity flag )
@@ -271,7 +347,8 @@ void function GiveFlag( entity player, entity flag )
 	flag.Signal( "ResetDropTimeout" )
 
 	flag.SetParent( player, "FLAG" )
-	thread DropFlagIfPhased( player, flag )
+	if ( GetCurrentPlaylistVarInt( "phase_shift_drop_flag", 0 ) == 1 )
+		thread DropFlagIfPhased( player, flag )
 
 	// do notifications
 	MessageToPlayer( player, eEventNotifications.YouHaveTheEnemyFlag )
@@ -292,7 +369,7 @@ void function GiveFlag( entity player, entity flag )
 void function CaptureFlag( entity player, entity flag )
 {
 	// can only capture flags during normal play or sudden death
-	if (GetGameState() != eGameState.Playing && GetGameState() != eGameState.SuddenDeath)
+	if ( GetGameState() != eGameState.Playing && GetGameState() != eGameState.SuddenDeath )
 	{
 		printt( player + " tried to capture the flag, but the game state was " + GetGameState() + " not " + eGameState.Playing + " or " + eGameState.SuddenDeath)
 		return
@@ -344,10 +421,12 @@ void function CaptureFlag( entity player, entity flag )
 	MessageToTeam( GetOtherTeam( team ), eEventNotifications.PlayerCapturedFriendlyFlag, player, player )
 	EmitSoundOnEntityToTeam( flag, "UI_CTF_3P_EnemyScores", flag.GetTeam() )
 	
-	if ( GameRules_GetTeamScore( team ) == GameMode_GetRoundScoreLimit( GAMETYPE ) - 1 )
+	if ( GameRules_GetTeamScore( team ) == GetScoreLimit_FromPlaylist() - 1 )
 	{
 		PlayFactionDialogueToTeam( "ctf_notifyWin1more", team )
 		PlayFactionDialogueToTeam( "ctf_notifyLose1more", GetOtherTeam( team ) )
+		foreach( entity otherPlayer in GetPlayerArray() )
+			Remote_CallFunction_NonReplay( otherPlayer, "ServerCallback_CTF_PlayMatchNearEndMusic" )
 	}
 }
 
@@ -355,7 +434,7 @@ void function DropFlag( entity player, bool realDrop = true )
 {
 	entity flag = GetFlagForTeam( GetOtherTeam( player.GetTeam() ) )
 	
-	if ( flag.GetParent() != player )
+	if( !IsValid( flag ) || flag.GetParent() != player )
 		return
 		
 	print( player + " dropped the flag!" )
@@ -366,94 +445,92 @@ void function DropFlag( entity player, bool realDrop = true )
 	
 	if ( realDrop )
 	{
-		// start drop timeout countdown
-		thread TrackFlagDropTimeout( flag )
-	
-		// add to capture assists
-		if ( player.GetTeam() == TEAM_IMC )
+		if ( player.GetTeam() == TEAM_IMC && !file.imcCaptureAssistList.contains( player ) )
 			file.imcCaptureAssistList.append( player )
-		else
+		
+		else if( !file.militiaCaptureAssistList.contains( player ) )
 			file.militiaCaptureAssistList.append( player )
 
-		// do notifications
 		MessageToPlayer( player, eEventNotifications.YouDroppedTheEnemyFlag )
 		EmitSoundOnEntityOnlyToPlayer( player, player, "UI_CTF_1P_FlagDrop" )
 
 		MessageToTeam( player.GetTeam(), eEventNotifications.PlayerDroppedEnemyFlag, player, player )
-		// todo need a sound here maybe
 		MessageToTeam( GetOtherTeam( player.GetTeam() ), eEventNotifications.PlayerDroppedFriendlyFlag, player, player )
-		// todo need a sound here maybe
 	}
 	
-	SetFlagStateForTeam( flag.GetTeam(), eFlagState.Home ) // used for return prompt
+	thread TrackFlagDropTimeout( flag )
+	SetFlagStateForTeam( flag.GetTeam(), eFlagState.Home )
 }
 
 void function ResetFlag( entity flag )
 {
-	// prevents crash when flag is reset after it's been destroyed due to epilogue
-	if (!IsValid(flag))
-		return
-	// ensure we can't pickup the flag after it's been dropped but before it's been reset
 	flag.s.canTake = false
 	
 	if ( flag.GetParent() != null )
 		DropFlag( flag.GetParent(), false )
 	
-	entity spawn
+	entity flagBase
 	if ( flag.GetTeam() == TEAM_IMC )
-		spawn = file.imcFlagSpawn
+		flagBase = file.imcFlagSpawn
 	else
-		spawn = file.militiaFlagSpawn
+		flagBase = file.militiaFlagSpawn
 		
-	flag.SetOrigin( spawn.GetOrigin() + < 0, 0, spawn.GetBoundingMaxs().z + 1 > )
+	flag.SetOrigin( flagBase.GetOrigin() + < 0, 0, flagBase.GetBoundingMaxs().z + 1 > )
 	
-	// we can take it again now
 	flag.s.canTake = true
 	
-	SetFlagStateForTeam( flag.GetTeam(), eFlagState.None ) // used for home
+	SetFlagStateForTeam( flag.GetTeam(), eFlagState.None )
 	
 	flag.Signal( "ResetDropTimeout" )
 }
 
-
-void function OnPlayerEntersFlagReturnTrigger( entity trigger, entity player )
+//-----------------------------------------------------------------------------
+// Purpose: Check proximity for flag returns
+// Input  : flag - The flag entity
+//-----------------------------------------------------------------------------
+void function FlagProximityTracker( entity flag )
 {
-	entity flag
-	if ( trigger.GetTeam() == TEAM_IMC )
-		flag = file.imcFlag
-	else
-		flag = file.militiaFlag
-
-	if( !IsValid( flag ) || !IsValid( player ) )
-		return
+	flag.EndSignal( "OnDestroy" )
 	
-	if ( !player.IsPlayer() || player.IsTitan() || player.GetTeam() != flag.GetTeam() || IsFlagHome( flag ) || flag.GetParent() != null )
-		return
+	array < entity > playerInsidePerimeter
+	while( true )
+	{
+		if( !playerInsidePerimeter.len() )
+			ArrayRemoveDead( playerInsidePerimeter )
 		
-	thread TryReturnFlag( player, flag )
-}
-
-void function OnPlayerExitsFlagReturnTrigger( entity trigger, entity player )
-{
-	entity flag
-	if ( trigger.GetTeam() == TEAM_IMC )
-		flag = file.imcFlag
-	else
-		flag = file.militiaFlag
+		foreach ( player in GetPlayerArrayOfTeam_Alive( flag.GetTeam() ) )
+		{
+			if ( Distance( player.GetOrigin(), flag.GetOrigin() ) < CTF_GetFlagReturnRadius() )
+			{
+				if ( player.IsTitan() || player.GetTeam() != flag.GetTeam() || IsFlagHome( flag ) || flag.GetParent() != null )
+					continue
+				
+				if( playerInsidePerimeter.contains( player ) )
+					continue
+				
+				playerInsidePerimeter.append( player )
+				thread TryReturnFlag( player, flag )
+			}
+			else
+			{
+				if( playerInsidePerimeter.contains( player ) )
+				{
+					player.Signal( "CTF_LeftReturnTriggerArea" ) // Cut the progress if outside range
+					playerInsidePerimeter.removebyvalue( player )
+				}
+			}
+		}
 		
-	if ( !player.IsPlayer() || player.IsTitan() || player.GetTeam() != flag.GetTeam() || IsFlagHome( flag ) || flag.GetParent() != null )
-		return
-	
-	player.Signal( "FlagReturnEnded" )
-}	
+		WaitFrame()
+	}
+}
 
 void function TryReturnFlag( entity player, entity flag )
 {
-	// start return progress bar
 	Remote_CallFunction_NonReplay( player, "ServerCallback_CTF_StartReturnFlagProgressBar", Time() + CTF_GetFlagReturnTime() )
 	EmitSoundOnEntityOnlyToPlayer( player, player, "UI_CTF_1P_FlagReturnMeter" )
 	
-	OnThreadEnd( function() : ( player )
+	OnThreadEnd( function() : ( flag, player )
 	{
 		if ( IsValidPlayer( player ) )
 		{
@@ -462,35 +539,37 @@ void function TryReturnFlag( entity player, entity flag )
 		}
 	})
 	
-	player.EndSignal( "FlagReturnEnded" )
-	flag.EndSignal( "FlagReturnEnded" ) // avoid multiple players to return one flag at once
+	flag.EndSignal( "CTF_ReturnedFlag" )
+	flag.EndSignal( "OnDestroy" )
+	
+	player.EndSignal( "CTF_LeftReturnTriggerArea" )
 	player.EndSignal( "OnDeath" )
+	player.EndSignal( "OnDestroy" )
 	
 	wait CTF_GetFlagReturnTime()
 	
-	// flag return succeeded
-	// return flag
 	ResetFlag( flag )
-	flag.Signal( "FlagReturnEnded" )
-
-	// do notifications for return
+	
+	MessageToTeam( flag.GetTeam(), eEventNotifications.PlayerReturnedFriendlyFlag, null, player )
+	EmitSoundOnEntityToTeam( flag, "UI_CTF_3P_TeamReturnsFlag", flag.GetTeam() )
+	PlayFactionDialogueToTeam( "ctf_flagReturnedFriendly", flag.GetTeam() )
+	
 	MessageToPlayer( player, eEventNotifications.YouReturnedFriendlyFlag )
 	AddPlayerScore( player, "FlagReturn", player )
 	player.AddToPlayerGameStat( PGS_DEFENSE_SCORE, 1 )
 	
-	if( !HasPlayerCompletedMeritScore( player ) )
+	if ( !HasPlayerCompletedMeritScore( player ) )
 	{
 		AddPlayerScore( player, "ChallengeCTFRetAssist" )
 		SetPlayerChallengeMeritScore( player )
 	}
 	
-	MessageToTeam( flag.GetTeam(), eEventNotifications.PlayerReturnedFriendlyFlag, null, player )
-	EmitSoundOnEntityToTeam( flag, "UI_CTF_3P_TeamReturnsFlag", flag.GetTeam() )
-	PlayFactionDialogueToTeam( "ctf_flagReturnedFriendly", flag.GetTeam() )
-	
 	MessageToTeam( GetOtherTeam( flag.GetTeam() ), eEventNotifications.PlayerReturnedEnemyFlag, null, player )
 	EmitSoundOnEntityToTeam( flag, "UI_CTF_3P_EnemyReturnsFlag", GetOtherTeam( flag.GetTeam() ) )
+	EmitSoundOnEntityOnlyToPlayer( player, player, "UI_CTF_1P_ReturnsFlag" )
 	PlayFactionDialogueToTeam( "ctf_flagReturnedEnemy", GetOtherTeam( flag.GetTeam() ) )
+	
+	flag.Signal( "CTF_ReturnedFlag" )
 }
 
 void function SetFlagStateForTeam( int team, int state )
@@ -507,6 +586,7 @@ void function DropFlagIfPhased( entity player, entity flag )
 {
 	player.EndSignal( "StartPhaseShift" )
 	player.EndSignal( "OnDestroy" )
+	flag.EndSignal( "OnDestroy" )
 	
 	OnThreadEnd( function() : ( player ) 
 	{
@@ -516,8 +596,8 @@ void function DropFlagIfPhased( entity player, entity flag )
 				DropFlag( player, true )
 		}
 	})
-	// the IsValid check is purely to prevent a crash due to a destroyed flag (epilogue)
-	while( IsValid(flag) && flag.GetParent() == player )
+
+	while( flag.GetParent() == player )
 		WaitFrame()
 }
 
@@ -528,7 +608,9 @@ void function DropFlagForBecomingTitan( entity pilot, entity titan )
 
 void function TrackFlagDropTimeout( entity flag )
 {
+	flag.EndSignal( "CTF_ReturnedFlag" )
 	flag.EndSignal( "ResetDropTimeout" )
+	flag.EndSignal( "OnDestroy" )
 	
 	wait CTF_GetDropTimeout()