Logic branch

From Valve Developer Community

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

This point-based entity is available in all Source games.

Table of contents
1 Entity Description
2 Keyvalues
3 Inputs
4 Outputs
[edit]

Entity Description

Tests a boolean value and fires an output based on whether the value is true (one) or false (zero). Use this entity to branch between two potential sets of events.

Image:note.png Note: Values greater than 1 are treated as 0.


[edit]

Keyvalues

Defines the name that other entities refer to this entity by.
  • hammerid [New with Orange Box]
<integer readonly> This id is used for debugging purposes in Hammer.
  • initialvalue
<boolean>
[edit]

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.
Set the boolean value without performing the comparison. Use this to hold a value for a future test.
Set the boolean value and test it, firing OnTrue or OnFalse based on the new value.
  • Toggle
Toggle the boolean value between true and false.
  • ToggleTest
Toggle the boolean value and tests it, firing OnTrue or OnFalse based on the new value.
  • Test
Test the input value and fire OnTrue or OnFalse based on the value.


[edit]

Outputs

Fired in response to FireUser1-4 inputs. See User Inputs and Outputs.
!activator = activator
Fired when the input value is true (nonzero).
!activator = activator
Fired when the input value is false (zero).
!activator = activator
Retrieved from "http://developer.valvesoftware.com/wiki/Logic_branch"