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Difference between revisions of "UE2:Controller events (UT2004)"

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==Events==
 
==Events==
 
====AIHearSound====
 
====AIHearSound====
 
{{code|event '''AIHearSound''' ({{cl|Actor}} '''Actor''', [[int]] '''Id''', {{cl|Sound}} '''S''', {{tl|Vector|Object|structs}} '''SoundLocation''', {{tl|Vector|Object|structs}} '''Parameters''', [[bool]] '''Attenuate''')}}
 
{{code|event '''AIHearSound''' ({{cl|Actor}} '''Actor''', [[int]] '''Id''', {{cl|Sound}} '''S''', {{tl|Vector|Object|structs}} '''SoundLocation''', {{tl|Vector|Object|structs}} '''Parameters''', [[bool]] '''Attenuate''')}}
  
−
<!-- enter event description -->
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Called for every sound this Controller's {{tl|Pawn||Controller internal variables}} hears. {{cl|PlayerController}}s receive the {{tl|ClientHearSound||PlayerController}}() event instead, which natively forwards the sound to the audio subsystem for actual playback. (Also see {{tl|PlaySound|Actor|native functions}}().)
  
 
====AllowDetourTo====
 
====AllowDetourTo====
 
{{code|event [[bool]]&nbsp;'''AllowDetourTo''' ({{cl|NavigationPoint}}&nbsp;'''N''')}}
 
{{code|event [[bool]]&nbsp;'''AllowDetourTo''' ({{cl|NavigationPoint}}&nbsp;'''N''')}}
  
−
<!-- enter event description -->
+
Called by the path finding logic to determine whether the player wants to take a detour to the specified NavigationPoint on its route to the actual destination. (Also see {{tl|DetourWeight|NavigationPoint}}().)
  
 
====DelayedWarning====
 
====DelayedWarning====
 
{{code|event '''DelayedWarning''' ()}}
 
{{code|event '''DelayedWarning''' ()}}
  
−
<!-- enter event description -->
+
Called when a {{tl|WarningProjectile||Controller internal variables}} is set and the time index specified in {{tl|WarningDelay||Controller internal variables}} has passed. The WarningProjectile property is reset to <code>None</code> after this event returns to prevent it from firing again. (Also see {{tl|ReceiveProjectileWarning|Bot|instance functions}}().)
  
 
====Desireability====
 
====Desireability====
 
{{code|event [[float]]&nbsp;'''Desireability''' ({{cl|Pickup}}&nbsp;'''P''')}}
 
{{code|event [[float]]&nbsp;'''Desireability''' ({{cl|Pickup}}&nbsp;'''P''')}}
  
−
<!-- enter event description -->
+
Called by {{tl|FindBestInventoryPath||Controller}}() to rate individual Pickups. By default this just forwards the call to {{tl|BotDesireability|Pickup}}().
  
 
====Destroyed====
 
====Destroyed====
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'''Overrides:''' {{tl|Destroyed|Actor|events}}
 
'''Overrides:''' {{tl|Destroyed|Actor|events}}
  
−
<!-- enter event description -->
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Removes this Controller from the Level.{{tl|ControllerList||LevelInfo}}, notifies the {{cl|GameInfo}} via {{tl|Logout||GameInfo instance functions}}() and destroyes the {{tl|PlayerReplicationInfo||Controller internal variables}}.
  
 
====EnemyNotVisible====
 
====EnemyNotVisible====
 
{{code|event '''EnemyNotVisible''' ()}}
 
{{code|event '''EnemyNotVisible''' ()}}
  
−
<!-- enter event description -->
+
If the Controller has a valid {{tl|Enemy||Controller internal variables}} the native code performs visibility checks (like the {{tl|LineOfSightTo||Controller}}() function) once in a while. If such a check fails, the EnemyNotVisible() event is called.
  
 
====HearNoise====
 
====HearNoise====
 
{{code|event '''HearNoise''' ([[float]]&nbsp;'''Loudness''', {{cl|Actor}}&nbsp;'''NoiseMaker''')}}
 
{{code|event '''HearNoise''' ([[float]]&nbsp;'''Loudness''', {{cl|Actor}}&nbsp;'''NoiseMaker''')}}
  
−
<!-- enter event description -->
+
Called for every noise this Controller's {{tl|Pawn||Controller internal variables}} hears. Noises can be generated by any Actor with an [[Instigator]] via {{tl|MakeNoise||Actor native functions}}().
  
 
====LongFall====
 
====LongFall====
 
{{code|event '''LongFall''' ()}}
 
{{code|event '''LongFall''' ()}}
  
−
<!-- enter event description -->
+
Called during {{tl|WaitForLanding||Controller}}() if the Pawn is still in <code>PHYS_Falling</code> after 4 seconds.
  
 
====MayDodgeToMoveTarget====
 
====MayDodgeToMoveTarget====
 
{{code|event '''MayDodgeToMoveTarget''' ()}}
 
{{code|event '''MayDodgeToMoveTarget''' ()}}
  
−
<!-- enter event description -->
+
May be called from {{tl|MoveToward||Controller}}() if the player could [[liandri:dodge|dodge]] towards the destination. Actual dodging should be performed here. The {{cl|Bot}} class, for example, also considers using "Translocator hopping" here, i.e. use the Translocator simply because it's faster than walking.
  
 
====MayFall====
 
====MayFall====
 
{{code|event '''MayFall''' ()}}
 
{{code|event '''MayFall''' ()}}
  
−
<!-- enter event description -->
+
Called when the Pawn approaches a ledge. By setting {{tl|bCanJump|Pawn}} to <code>False</code>, the Controller can prevent its Pawn from walking off the ledge.
  
 
====MissedDodge====
 
====MissedDodge====
 
{{code|event '''MissedDodge''' ()}}
 
{{code|event '''MissedDodge''' ()}}
  
−
<!-- enter event description -->
+
{{expand}}
  
 
====MonitoredPawnAlert====
 
====MonitoredPawnAlert====
 
{{code|event '''MonitoredPawnAlert''' ()}}
 
{{code|event '''MonitoredPawnAlert''' ()}}
  
−
<!-- enter event description -->
+
Called if a {{tl|MonitoredPawn||Controller internal variables}} is set and either this Controller's doesn't have a Pawn anymore (e.g. because it died) or the MonitoredPawn is moving away from this player's Pawn. (Also see {{tl|StartMonitoring||Controller instance functions}}().)
  
 
====NotifyBump====
 
====NotifyBump====
 
{{code|event [[bool]]&nbsp;'''NotifyBump''' ({{cl|Actor}}&nbsp;'''Other''')}}
 
{{code|event [[bool]]&nbsp;'''NotifyBump''' ({{cl|Actor}}&nbsp;'''Other''')}}
  
−
<!-- enter event description -->
+
Called before the Pawn's {{tl|Bump||Actor events}}() event. Return <code>True</code> to prevent Pawn.Bump() from being called.
  
 
====NotifyFallingHitWall====
 
====NotifyFallingHitWall====
 
{{code|event '''NotifyFallingHitWall''' ({{tl|Vector|Object|structs}}&nbsp;'''HitNormal''', {{cl|Actor}}&nbsp;'''Wall''')}}
 
{{code|event '''NotifyFallingHitWall''' ({{tl|Vector|Object|structs}}&nbsp;'''HitNormal''', {{cl|Actor}}&nbsp;'''Wall''')}}
  
−
<!-- enter event description -->
+
Called instead of {{tl|NotifyHitWall}}() if {{tl|bNotifyFallingHitWall||Controller internal variables}} is <code>True</code> and the Pawn hits a wall while falling. Could be used e.g. to implement wall dodges, like the {{cl|Bot}} class does.
  
 
====NotifyHeadVolumeChange====
 
====NotifyHeadVolumeChange====
 
{{code|event [[bool]]&nbsp;'''NotifyHeadVolumeChange''' ({{cl|PhysicsVolume}}&nbsp;'''NewVolume''')}}
 
{{code|event [[bool]]&nbsp;'''NotifyHeadVolumeChange''' ({{cl|PhysicsVolume}}&nbsp;'''NewVolume''')}}
  
−
<!-- enter event description -->
+
Called right before the Pawn's {{tl|HeadVolumeChange||Pawn events}}() event. Return <code>True</code> to prevent Pawn.HeadVolumeChange() from being called.
  
 
====NotifyHitMover====
 
====NotifyHitMover====
 
{{code|event '''NotifyHitMover''' ({{tl|Vector|Object|structs}}&nbsp;'''HitNormal''', {{cl|Mover}}&nbsp;'''Wall''')}}
 
{{code|event '''NotifyHitMover''' ({{tl|Vector|Object|structs}}&nbsp;'''HitNormal''', {{cl|Mover}}&nbsp;'''Wall''')}}
  
−
<!-- enter event description -->
+
May be called during {{tl|MoveTo||Controller}}() or {{tl|MoveToward||Controller}}() if the Pawn (unexpectedly) walks up against a {{cl|Mover}}. Contact with lifts or doors is an expected contact when the AI wants to use them.
 +
 
 +
While being defined here, this event is actually only called for {{cl|AIController}}s.
  
 
====NotifyHitWall====
 
====NotifyHitWall====
 
{{code|event [[bool]]&nbsp;'''NotifyHitWall''' ({{tl|Vector|Object|structs}}&nbsp;'''HitNormal''', {{cl|Actor}}&nbsp;'''Wall''')}}
 
{{code|event [[bool]]&nbsp;'''NotifyHitWall''' ({{tl|Vector|Object|structs}}&nbsp;'''HitNormal''', {{cl|Actor}}&nbsp;'''Wall''')}}
  
−
<!-- enter event description -->
+
Called right before the Pawn's {{tl|HitWall||Pawn events}}() event, unless {{tl|bNotifyFallingHitWall||Controller internal variables}} is <code>True</code> and the Pawn hits a wall while falling. Return <code>True</code> to prevent Pawn.HitWall() from being called.
  
 
====NotifyJumpApex====
 
====NotifyJumpApex====
 
{{code|event '''NotifyJumpApex''' ()}}
 
{{code|event '''NotifyJumpApex''' ()}}
  
−
<!-- enter event description -->
+
Called if {{tl|bNotifyApex||Controller internal variables}} is <code>True</code> and the Pawn reached the highest point of its jump, i.e. the Pawn no longer moves upwards. Bots use this to implement [[liandri:double jump|double jump]] or [[liandri:dodge jump|dodge jump]]s.
  
 
====NotifyLanded====
 
====NotifyLanded====
 
{{code|event [[bool]]&nbsp;'''NotifyLanded''' ({{tl|Vector|Object|structs}}&nbsp;'''HitNormal''')}}
 
{{code|event [[bool]]&nbsp;'''NotifyLanded''' ({{tl|Vector|Object|structs}}&nbsp;'''HitNormal''')}}
  
−
<!-- enter event description -->
+
Called right before the Pawn's {{tl|Landed||Pawn events}}() event. Return <code>True</code> to prevent Pawn.Landed() from being called.
  
 
====NotifyMissedJump====
 
====NotifyMissedJump====
 
{{code|event '''NotifyMissedJump''' ()}}
 
{{code|event '''NotifyMissedJump''' ()}}
  
−
<!-- enter event description -->
+
{{expand}}
  
 
====NotifyPhysicsVolumeChange====
 
====NotifyPhysicsVolumeChange====
 
{{code|event [[bool]]&nbsp;'''NotifyPhysicsVolumeChange''' ({{cl|PhysicsVolume}}&nbsp;'''NewVolume''')}}
 
{{code|event [[bool]]&nbsp;'''NotifyPhysicsVolumeChange''' ({{cl|PhysicsVolume}}&nbsp;'''NewVolume''')}}
  
−
<!-- enter event description -->
+
Called right after the Pawn's {{tl|PhysicsVolumeChange||Actor events}}() event.
  
 
====NotifyPostLanded====
 
====NotifyPostLanded====
 
{{code|event '''NotifyPostLanded''' ()}}
 
{{code|event '''NotifyPostLanded''' ()}}
  
−
<!-- enter event description -->
+
Called right after the Pawn's {{tl|Landed||Pawn events}}() event if {{tl|bNotifyPostLanded||Controller internal variables}} is <code>True</code>.
  
 
====PostBeginPlay====
 
====PostBeginPlay====
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'''Overrides:''' {{tl|PostBeginPlay|Actor|events}}
 
'''Overrides:''' {{tl|PostBeginPlay|Actor|events}}
  
−
<!-- enter event description -->
+
Spawns and initializes the {{tl|PlayerReplicationInfo||Controller internal variables}}, unless {{tl|bIsPlayer||Controller internal variables}} is <code>False</code>.
  
 
====PreBeginPlay====
 
====PreBeginPlay====
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'''Overrides:''' {{tl|PreBeginPlay|Actor|events}}
 
'''Overrides:''' {{tl|PreBeginPlay|Actor|events}}
  
−
<!-- enter event description -->
+
Adds this Controller to the Level.{{tl|ControllerList||LevelInfo}} before allowing the usual Level.Game.BaseMutator.{{tl|CheckRelevance||Mutator}}() logic to modify the newly spawned Controller.
  
 
====PrepareForMove====
 
====PrepareForMove====
 
{{code|event '''PrepareForMove''' ({{cl|NavigationPoint}}&nbsp;'''Goal''', {{cl|ReachSpec}}&nbsp;'''Path''')}}
 
{{code|event '''PrepareForMove''' ({{cl|NavigationPoint}}&nbsp;'''Goal''', {{cl|ReachSpec}}&nbsp;'''Path''')}}
  
−
<!-- enter event description -->
+
Called by {{tl|MoveToward||Controller}} if the Pawn can't take the current route directly, e.g. because the path is too narrow or involves falling that would hurt the Pawn.
 +
 
 +
This isn't used in stock code, but it could be used by custom AI to e.g. activate a teleportation device or prepare a jetpack for slowing down.
  
 
====ReceiveWarning====
 
====ReceiveWarning====
 
{{code|event '''ReceiveWarning''' ({{cl|Pawn}}&nbsp;'''shooter''', [[float]]&nbsp;'''projSpeed''', {{tl|Vector|Object|structs}}&nbsp;'''FireDir''')}}
 
{{code|event '''ReceiveWarning''' ({{cl|Pawn}}&nbsp;'''shooter''', [[float]]&nbsp;'''projSpeed''', {{tl|Vector|Object|structs}}&nbsp;'''FireDir''')}}
  
−
<!-- enter event description -->
+
Called from {{tl|InstantWarnTarget|Controller|instance functions}}(), {{tl|ReceiveProjectileWarning|Controller|instance functions}}(), {{tl|AdjustAim|TurretController}}() and also {{cl|ONSVehicle}}'s native Tick code as a run-over warning. This can be used to dodge to the side, duck or jump to prevent being hit. If the ''shooter'' is an ONSVehicle, jumping or ducking should only be considered after making sure it's not a run-over warning.
 +
 
 +
A ''projSpeed'' of -1 means instant-hit, otherwise it's the speed of the incoming projectile or vehicle.
  
 
====RenderOverlays====
 
====RenderOverlays====
Line 148: Line 154:
 
'''Overrides:''' {{tl|RenderOverlays|Actor|instance functions}}
 
'''Overrides:''' {{tl|RenderOverlays|Actor|instance functions}}
  
−
<!-- enter event description -->
+
This isn't actually a "real" event, i.e. it isn't called from native code and probably doesn't even have a native call stub because Actor defined it as standard function. It is empty here, just like in the Actor class.
  
 
====SeeMonster====
 
====SeeMonster====
 
{{code|event '''SeeMonster''' ({{cl|Pawn}}&nbsp;'''Seen''')}}
 
{{code|event '''SeeMonster''' ({{cl|Pawn}}&nbsp;'''Seen''')}}
  
−
<!-- enter event description -->
+
Called when seeing a Pawn with a Controller that has {{tl|bIsPlayer||Controller internal variables}} set to <code>False</code>.
  
 
====SeePlayer====
 
====SeePlayer====
 
{{code|event '''SeePlayer''' ({{cl|Pawn}}&nbsp;'''Seen''')}}
 
{{code|event '''SeePlayer''' ({{cl|Pawn}}&nbsp;'''Seen''')}}
  
−
<!-- enter event description -->
+
Called when seeing a Pawn with a Controller that has {{tl|bIsPlayer||Controller internal variables}} set to <code>True</code>.
  
 
====SetupSpecialPathAbilities====
 
====SetupSpecialPathAbilities====
 
{{code|event '''SetupSpecialPathAbilities''' ()}}
 
{{code|event '''SetupSpecialPathAbilities''' ()}}
  
−
<!-- enter event description -->
+
Called during path finding. {{cl|Bot}}s use this to specify whether they can translocate or impact jump.
  
 
====SoakStop====
 
====SoakStop====
 
{{code|event '''SoakStop''' ([[string]]&nbsp;'''problem''')}}
 
{{code|event '''SoakStop''' ([[string]]&nbsp;'''problem''')}}
  
−
<!-- enter event description -->
+
Used for debugging pathing problems, but not actually called from native code. Whenever bots run into a pathing problem, they call this function.
  
 
====SuperDesireability====
 
====SuperDesireability====
 
{{code|event [[float]]&nbsp;'''SuperDesireability''' ({{cl|Pickup}}&nbsp;'''P''')}}
 
{{code|event [[float]]&nbsp;'''SuperDesireability''' ({{cl|Pickup}}&nbsp;'''P''')}}
  
−
<!-- enter event description -->
+
Called by {{tl|FindBestSuperPickup||Controller}}() to rate individual Pickups. By default this just forwards the call to {{tl|BotDesireability|Pickup}}().

Latest revision as of 04:19, 10 April 2010

UT2004 Object >> Actor >> Controller (events)
Controller events in other games:
UT3, UDK
Other member categories for this class:
instance functions, internal variables


Events[edit]

AIHearSound[edit]

event AIHearSound (Actor Actor, int Id, Sound S, Object.Vector SoundLocation, Object.Vector Parameters, bool Attenuate)

Called for every sound this Controller's Pawn hears. PlayerControllers receive the ClientHearSound() event instead, which natively forwards the sound to the audio subsystem for actual playback. (Also see Actor.PlaySound().)

AllowDetourTo[edit]

event bool AllowDetourTo (NavigationPoint N)

Called by the path finding logic to determine whether the player wants to take a detour to the specified NavigationPoint on its route to the actual destination. (Also see NavigationPoint.DetourWeight().)

DelayedWarning[edit]

event DelayedWarning ()

Called when a WarningProjectile is set and the time index specified in WarningDelay has passed. The WarningProjectile property is reset to None after this event returns to prevent it from firing again. (Also see Bot.ReceiveProjectileWarning().)

Desireability[edit]

event float Desireability (Pickup P)

Called by FindBestInventoryPath() to rate individual Pickups. By default this just forwards the call to Pickup.BotDesireability().

Destroyed[edit]

simulated event Destroyed ()

Overrides: Actor.Destroyed

Removes this Controller from the Level.ControllerList, notifies the GameInfo via Logout() and destroyes the PlayerReplicationInfo.

EnemyNotVisible[edit]

event EnemyNotVisible ()

If the Controller has a valid Enemy the native code performs visibility checks (like the LineOfSightTo() function) once in a while. If such a check fails, the EnemyNotVisible() event is called.

HearNoise[edit]

event HearNoise (float Loudness, Actor NoiseMaker)

Called for every noise this Controller's Pawn hears. Noises can be generated by any Actor with an Instigator via MakeNoise().

LongFall[edit]

event LongFall ()

Called during WaitForLanding() if the Pawn is still in PHYS_Falling after 4 seconds.

MayDodgeToMoveTarget[edit]

event MayDodgeToMoveTarget ()

May be called from MoveToward() if the player could dodge towards the destination. Actual dodging should be performed here. The Bot class, for example, also considers using "Translocator hopping" here, i.e. use the Translocator simply because it's faster than walking.

MayFall[edit]

event MayFall ()

Called when the Pawn approaches a ledge. By setting Pawn.bCanJump to False, the Controller can prevent its Pawn from walking off the ledge.

MissedDodge[edit]

event MissedDodge ()
Please help improve this article or section by expanding it.


MonitoredPawnAlert[edit]

event MonitoredPawnAlert ()

Called if a MonitoredPawn is set and either this Controller's doesn't have a Pawn anymore (e.g. because it died) or the MonitoredPawn is moving away from this player's Pawn. (Also see StartMonitoring().)

NotifyBump[edit]

event bool NotifyBump (Actor Other)

Called before the Pawn's Bump() event. Return True to prevent Pawn.Bump() from being called.

NotifyFallingHitWall[edit]

event NotifyFallingHitWall (Object.Vector HitNormal, Actor Wall)

Called instead of NotifyHitWall() if bNotifyFallingHitWall is True and the Pawn hits a wall while falling. Could be used e.g. to implement wall dodges, like the Bot class does.

NotifyHeadVolumeChange[edit]

event bool NotifyHeadVolumeChange (PhysicsVolume NewVolume)

Called right before the Pawn's HeadVolumeChange() event. Return True to prevent Pawn.HeadVolumeChange() from being called.

NotifyHitMover[edit]

event NotifyHitMover (Object.Vector HitNormal, Mover Wall)

May be called during MoveTo() or MoveToward() if the Pawn (unexpectedly) walks up against a Mover. Contact with lifts or doors is an expected contact when the AI wants to use them.

While being defined here, this event is actually only called for AIControllers.

NotifyHitWall[edit]

event bool NotifyHitWall (Object.Vector HitNormal, Actor Wall)

Called right before the Pawn's HitWall() event, unless bNotifyFallingHitWall is True and the Pawn hits a wall while falling. Return True to prevent Pawn.HitWall() from being called.

NotifyJumpApex[edit]

event NotifyJumpApex ()

Called if bNotifyApex is True and the Pawn reached the highest point of its jump, i.e. the Pawn no longer moves upwards. Bots use this to implement double jump or dodge jumps.

NotifyLanded[edit]

event bool NotifyLanded (Object.Vector HitNormal)

Called right before the Pawn's Landed() event. Return True to prevent Pawn.Landed() from being called.

NotifyMissedJump[edit]

event NotifyMissedJump ()
Please help improve this article or section by expanding it.


NotifyPhysicsVolumeChange[edit]

event bool NotifyPhysicsVolumeChange (PhysicsVolume NewVolume)

Called right after the Pawn's PhysicsVolumeChange() event.

NotifyPostLanded[edit]

event NotifyPostLanded ()

Called right after the Pawn's Landed() event if bNotifyPostLanded is True.

PostBeginPlay[edit]

event PostBeginPlay ()

Overrides: Actor.PostBeginPlay

Spawns and initializes the PlayerReplicationInfo, unless bIsPlayer is False.

PreBeginPlay[edit]

event PreBeginPlay ()

Overrides: Actor.PreBeginPlay

Adds this Controller to the Level.ControllerList before allowing the usual Level.Game.BaseMutator.CheckRelevance() logic to modify the newly spawned Controller.

PrepareForMove[edit]

event PrepareForMove (NavigationPoint Goal, ReachSpec Path)

Called by MoveToward if the Pawn can't take the current route directly, e.g. because the path is too narrow or involves falling that would hurt the Pawn.

This isn't used in stock code, but it could be used by custom AI to e.g. activate a teleportation device or prepare a jetpack for slowing down.

ReceiveWarning[edit]

event ReceiveWarning (Pawn shooter, float projSpeed, Object.Vector FireDir)

Called from Controller.InstantWarnTarget(), Controller.ReceiveProjectileWarning(), TurretController.AdjustAim() and also ONSVehicle's native Tick code as a run-over warning. This can be used to dodge to the side, duck or jump to prevent being hit. If the shooter is an ONSVehicle, jumping or ducking should only be considered after making sure it's not a run-over warning.

A projSpeed of -1 means instant-hit, otherwise it's the speed of the incoming projectile or vehicle.

RenderOverlays[edit]

simulated event RenderOverlays (Canvas Canvas)

Overrides: Actor.RenderOverlays

This isn't actually a "real" event, i.e. it isn't called from native code and probably doesn't even have a native call stub because Actor defined it as standard function. It is empty here, just like in the Actor class.

SeeMonster[edit]

event SeeMonster (Pawn Seen)

Called when seeing a Pawn with a Controller that has bIsPlayer set to False.

SeePlayer[edit]

event SeePlayer (Pawn Seen)

Called when seeing a Pawn with a Controller that has bIsPlayer set to True.

SetupSpecialPathAbilities[edit]

event SetupSpecialPathAbilities ()

Called during path finding. Bots use this to specify whether they can translocate or impact jump.

SoakStop[edit]

event SoakStop (string problem)

Used for debugging pathing problems, but not actually called from native code. Whenever bots run into a pathing problem, they call this function.

SuperDesireability[edit]

event float SuperDesireability (Pickup P)

Called by FindBestSuperPickup() to rate individual Pickups. By default this just forwards the call to Pickup.BotDesireability().

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