trigger_portal_button

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Info.png
This entity is not in the FGD by default.
It should not be put directly in a map because it is generated automatically in code and crashes the game if placed directly.

trigger_portal_button is a point entity available in Portal series Portal series. It is the actual trigger used by a prop_floor_button, prop_floor_cube_button, or prop_floor_ball_button to detect objects. When placed in a map directly, the game will crash as the entity keeps a reference to the button it is tied to, which can only be set through code. A trigger_multiple should be used instead as it functions almost identically.

Tip.pngTip:The auto-generated triggers use their oriented bounding box as the detection area, so the SetSize() VScript function can be used to resize the trigger.

Keyvalues

Delay Before Reset ([todo internal name (i)]) <float>
Delay in seconds before OnTrigger can fire again, 0 defaults to 0.2. If set to -1, it will kill itself when triggered (as trigger_once), which means outputs like OnEntireTeamStartTouch can never fire.
BaseTrigger
Filter Name (filtername) <filter>
A filter entity to test potential activators against.
Start Disabled (StartDisabled) <boolean>
Stay dormant until activated (with theEnableinput).


Flags

BaseTrigger

Everything (not including physics debris) : [64]

Clients (Survivors, Special Infected, Tanks Left 4 Dead series) : [1]

Only clients in vehicles : [32]
Only clients *not* in vehicles : [512]
Disallow Bots (removed since Left 4 Dead) : [4096]
NPCs (Common Infected, Witches Left 4 Dead series) : [2]
Only player ally NPCs : [16]
Only NPCs in vehicles (respects player ally flag) : [2048]
Physics Objects (not including physics debris) : [8]
Physics debris (include also physics debris) : [1024]
Pushables (Passes entities with classname func_pushable) : [4] Obsolete
Deprecated.
Equivalent to using Everything + filter_activator_class that filters func_pushable.


Inputs

TouchTest
Tests if the trigger is being touched and fires an output based on whether the value is true or false.
BaseTrigger
Toggle
Toggles this trigger between enabled and disabled states.
Enable
Enable trigger
Disable
Disable trigger
TouchTest  (in all games since Source 2007)
Triggers either the OnTouching or OnNotTouching outputs for whether anything is touching this entity.
StartTouch  (in all games since Source 2007) !FGD
Behave as if the !caller entity had just entered the trigger volume. Accepts non-physical entities.
EndTouch  (in all games since Source 2007) !FGD
Behave as if !caller had just exited the trigger volume.
DisableAndEndTouch  (only in Team Fortress 2Source 2013 Multiplayer)
Disables this trigger and calls EndTouch on all currently-touching entities.

Outputs

OnStartTouchAll
Fired when an entity starts touching this trigger, and no other entities are touching it. Only entities that passed this trigger's filters are considered.
BaseTrigger
OnStartTouch
Fired when a valid entity starts touching this trigger. !activator is whatever touches the trigger.
Icon-Bug.pngBug:Spamming crouch jumps in a trigger can randomly fire OnStartTouch.
Confirm:Is it a Multiplayer issue only?
  [todo tested in?]


OnStartTouchAll
Fired when a valid entity starts touching this trigger, and no other entities are touching it. If there are any other entities touching the trigger when a new one begins to touch, only OnStartTouch will fire.
OnEndTouch
Fired when a valid entity stops touching this trigger.
Warning.pngWarning:This includes entities which are deleted while inside the trigger. In this case !activator will be invalid.
Warning.pngWarning:OnEndTouch can fire before OnStartTouch under certain circumstances where both are fired on the same tick and each have the same delay.
Note.pngFix:Add a slight delay to OnEndTouch.
Icon-Bug.pngBug:Spamming crouch jump in a trigger can randomly fire OnEndTouch.
Confirm:Is it a Multiplayer issue only?
  [todo tested in?]
OnEndTouchAll
Fired when all valid entities stop touching this trigger.
OnTouching  (in all games since Source 2007)
Fired if something is currently touching this trigger when TouchTest is fired.
OnNotTouching  (in all games since Source 2007)
Fired if nothing is currently touching this trigger when TouchTest is fired.