logic_relay
From Valve Developer Community
logic_relay is a point entity available in all Source games. It is a message forwarder. It can be used to fire many outputs at once from just one input, or, by being disabled, to break an I/O chain.
Keyvalues
EnableDisable:
- Start Disabled
<bool> - Stay dormant until activated (probably with the Enable input).
Targetname:
- Name <string>
- The targetname other entities refer to this entity by.
Flags
- Only trigger once
- Allow fast retrigger (There is otherwise a 0.1 second delay between triggering)
Inputs
-
Trigger - Fire
OnTrigger, if the relay is enabled. -
Toggle - Toggle between enabled and disabled.
-
CancelPending - Cancels any events fired by this relay that are currently pending in the I/O event queue.
EnableDisable:
-
Enable -
Disable - Enable/disable this entity from performing its task. It might also disappear from view.
Targetname:
-
Kill - Removes this entity from the world.
-
KillHierarchy - 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 means infinite> -
FireUser1toFireUser4 - Fire the
OnUseroutputs; see User Inputs and Outputs.
Outputs
-
OnTrigger - Fired when the relay receives the
Triggerinput. -
OnSpawn - Fired when the relay is spawned. If the relay is set to only trigger once, it will delete itself after firing this output.
Targetname:
-
OnUser1toOnUser4 - Fired in response to the
FireUserinputs; see User Inputs and Outputs. -
OnKilled(New with Left 4 Dead) - Fired when the entity is killed and removed from the game.
