Env portal path track

From Valve Developer Community

The title given to this article is incorrect due to technical limitations. The correct title is env_portal_path_track.

Table of contents
1 Entity Description
2 Availability
3 Keyvalues
4 Flags
5 Inputs
6 Outputs
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Entity Description

An entity used to build paths for other entities to follow. Each path_track is a node on the path, each holding the name of the next path_track in the path.

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Availability

This point entity is exclusive to Portal.

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Keyvalues

Defines the name that other entities refer to this entity by.
  • hammerid [Episode Two Update]
<integer readonly> This id is used for debugging purposes in Hammer.
Pitch Yaw Roll (Y Z X)
This entity's angular orientation in the world (also used for angular effect entities).
Specifies the targetname of this entity's Parent in a movement hierarchy. Child entities move with their Parent.
  • Track_beam_scale
<float> The amount to scale the track FX size
  • End_point_scale
<float> The amount to scale the endpoint FX size.
  • End_point_fadeout
<float> Amount of time to fade out the endpoint FX
  • End_point_fadein
<float> Amount of time to fade in the endpoint FX
  • target
<target_destination> The next path_track in the path.
  • altpath
<target_destination> An alternative path_track to be the next node in the path. Useful for making branching paths. Use the ToggleAlternatePath / EnableAlternatePath inputs to make the alternative path active.
  • speed
<float> When the train reaches this path_track, it will set its speed to this speed. This speed must be a positive value that is less than the train's max speed. A value of 0 will cause no change in the train's speed.
  • radius
<float> Used by NPCs who follow track paths (attack chopper/gunship). This tells them the maximum distance they're allowed to be from the path at this node.
  • orientationtype
<choices> The way that the path follower faces as it moves through this path track.
Literal Value Description
0 No change
1 Face direction of motion
2 Face this path_track's angles
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Flags

  • 1: Disabled
  • 2: Fire once
  • 4: Branch Reverse
  • 8: Disable train
  • 16: Teleport to THIS path track
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Inputs

  • Kill
Removes this entity from the world.
Removes this entity and all its children from the world.
  • AddOutput <string>
Evaluates a keyvalue/output on this entity. It can be potentially very dangerous, use with care.
Format: <key> <value>
Format: <output name> <targetname>:<inputname>:<parameter>:<delay>:<max times to fire (-1 == infinite)>
Causes this entity's OnUser1-4 outputs to be fired. See User Inputs and Outputs.
  • ToggleAlternatePath
Cause the track to toggle to/from its alternate path.
  • EnableAlternatePath
Enable the alternate path of the track.
  • DisableAlternatePath
Disable the alternate path of the track.
  • TogglePath
Cause the track to toggle on/off.
  • EnablePath
Enable the track.
  • DisablePath
Disable the track.
  • ActivateTrackFX
Turn on the track's fx beam
  • ActivateEndPointFX
Turn on the endpoint's fx.
  • DeactivateTrackFX
Turn off the track's fx beam.
  • DeactivateEndPointFX
Turn off the endpoint's fx.
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Outputs

Fired in response to FireUser1-4 inputs. See User Inputs and Outputs.
!activator = activator
  • OnPass
Fired when any entity following this path passes this path_track node.
Retrieved from "http://developer.valvesoftware.com/wiki/Env_portal_path_track"