Func useableladder: Difference between revisions
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Note:This entity is functional only in 
Half-Life 2 series and 
Portal. See Working ladders for other games.
Risk of Confusion:This is a point entity despite the name starting with func_ (which is usually used for brush entities).
Bug:There seems to be a bug where mounting or dismounting a ladder within a trigger volume will cause the trigger to fire outputs as if the player left and re-entered the volume. Seems to be because of how dismounting works, as it technically gives the player noclip temporarily, which makes the player not touch the trigger. [todo tested in ?]
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{{LanguageBar}} | {{LanguageBar}} | ||
{{ | {{This is a|point entity|name=func_useableladder}} | ||
{{CD|CFuncLadder|file1=1}} | {{CD|CFuncLadder|file1=1}} | ||
It is a [[Half-Life 2]]-style ladder. Handles player auto mount/unmount, as well as +use to get onto the ladder. | It is a [[Half-Life 2]]-style [[ladder]]. Handles player auto mount/unmount, as well as +use to get onto the ladder. | ||
{{note|This entity is | {{note|This entity is functional only in {{hl2series|4}} and {{portal|4}}. See [[Working ladders]] for other games.}} | ||
{{func point ent}} | |||
{{bug|There seems to be a bug where mounting or dismounting a ladder within a trigger volume will cause the trigger to fire outputs as if the player left and re-entered the volume. Seems to be because of how dismounting works, as it technically gives the player noclip temporarily, which makes the player not touch the trigger.}} | {{bug|There seems to be a bug where mounting or dismounting a ladder within a trigger volume will cause the trigger to fire outputs as if the player left and re-entered the volume. Seems to be because of how dismounting works, as it technically gives the player noclip temporarily, which makes the player not touch the trigger.}} | ||
| Line 11: | Line 12: | ||
[[File:Ladder1.jpg|right|150px|thumb|Usable ladder has a gap between itself and brush.]] | [[File:Ladder1.jpg|right|150px|thumb|Usable ladder has a gap between itself and brush.]] | ||
==Keyvalues== | == Keyvalues == | ||
{{KV Targetname}} | {{KV Targetname}} | ||
{{KV|Start|intn=point0| | {{KV|Start|intn=point0|vec3|Ladder start point}} | ||
{{KV|End|intn=point1| | {{KV|End|intn=point1|vec3|Ladder end point}} | ||
{{KV|Surface properties|intn=ladderSurfaceProperties|string}} | {{KV|Surface properties|intn=ladderSurfaceProperties|string}} | ||
{{KV | {{KV EnableDisable}} | ||
==Flags== | == Flags == | ||
{{fl|1|Fake Ladder}} | {{fl|1|Fake Ladder|Ladder serving for mount check which still fires the <code>OnPlayerGotOnLadder</code> output but won't actually put the player on the ladder | ||
:{{example|Used in {{hl2}} <code>[[d2_coast_04]]</code> for the ladder leading to operable crane and uses <code>OnPlayerGotOnLadder</code> output to put player inside the crane}}}} | |||
==Inputs== | == Inputs == | ||
{{I EnableDisable}} | {{I EnableDisable}} | ||
==Outputs== | == Outputs == | ||
{{ | {{O|OnPlayerGotOnLadder|activator = this entity|caller=player that got on ladder|Fired whenever a player gets on this ladder.}} | ||
{{ | {{O|OnPlayerGotOffLadder|activator = this entity|caller=player that got on ladder|Fired whenever a player gets off this ladder.}} | ||
== See also == | == See also == | ||
Latest revision as of 13:06, 4 May 2025
func_useableladder is a point entity available in all 
Source games.
 Class hierarchy
|
|---|
| CFuncLadder |
| func_ladder.cpp
|
It is a Half-Life 2-style ladder. Handles player auto mount/unmount, as well as +use to get onto the ladder.
Note:This entity is functional only in Half-Life 2 series and Portal. See Working ladders for other games.Risk of Confusion:This is a point entity despite the name starting with func_ (which is usually used for brush entities). Bug:There seems to be a bug where mounting or dismounting a ladder within a trigger volume will cause the trigger to fire outputs as if the player left and re-entered the volume. Seems to be because of how dismounting works, as it technically gives the player noclip temporarily, which makes the player not touch the trigger. [todo tested in ?]Issues
You should be sure, that ladder is not in contact with your brush if using it for ladder representation, otherwise it won't work.
Keyvalues
- Name (targetname) <string>[ Edit ]
- The name that other entities refer to this entity by, via Inputs/Outputs or other keyvalues (e.g.
parentnameortarget).
Also displayed in Hammer's 2D views and Entity Report.See also: Generic Keyvalues, Inputs and Outputs available to all entities
- Start (point0) <vector3>
- Ladder start point
- End (point1) <vector3>
- Ladder end point
- Surface properties (ladderSurfaceProperties) <string>
- Start Disabled (StartDisabled) <boolean>
- Stay dormant until activated (with the
Enableinput).
Flags
- Fake Ladder : [1]
- Ladder serving for mount check which still fires the
OnPlayerGotOnLadderoutput but won't actually put the player on the ladder 
Example:Used in d2_coast_04for the ladder leading to operable crane and usesOnPlayerGotOnLadderoutput to put player inside the crane
Inputs
EnableDisable:
- Enable / Disable
- Enable/disable this entity from performing its task. It might also disappear from view.
Outputs
- OnPlayerGotOnLadder
- !activator = this entity
!caller = player that got on ladder
Fired whenever a player gets on this ladder.
- OnPlayerGotOffLadder
- !activator = this entity
!caller = player that got on ladder
Fired whenever a player gets off this ladder.
See also
- info_ladder_dismount - An entity used to specify ladder auto-dismount points.
- ladder_simple - A prefab containing a simple ladder setup
- Working Ladders - A wiki tutorial on how to construct ladders
- A tutorial bsp and map for constructing ladders