Trigger coop: Difference between revisions

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{{Synergy}} '''trigger_coop''' is a [[brush entity]] available in [[Synergy]]. It counts the number of players within its volume, either fractionally or as a specific number.
<!-- When this page is updated to {{langsp}} or {{language subpage}} instead of {{lang}}, please move {{this is a}} to the base page, as it is automatically translated. -->{{lang}}[[File:Synergy trigger coop hud.jpg|thumb|right|350px|trigger_coop's HUD element showing that 3 players are currently touching the trigger, and 1 more is required to fire '''OnPlayersIn''' output.]]
 
{{this is a|brush entity|name=trigger_coop|game=Synergy}} It keeps track of the number of players touching it.
{{note|This entity is specifically designed for [[player]] entities.}}
{{note|This entity is specifically designed for detecting players. Use [[trigger_multiple]] for other entities.}}


==Entity description==
==Entity description==
Entity that counts the number players within its volume and fires outputs when the number passes the threshold.
A [[Brush_entity|brush entity]] that counts the number players touching it and fires '''OnPlayersIn''' output when the number of players passes the set threshold. It can be set to require a specific number of players, or require a percentage of '''living''' players. A [[HUD]] element can be shown to all players touching the trigger; displaying the current number of players that are also touching it, out of the total requirement.
 
{{tip|Filters can be used with this entity, however only players can use the special features. Otherwise use [[trigger_multiple]] for other entities.}}


==Keyvalues==
==Keyvalues==
{{KV|PlayerValue|int|The number or percent of living players this trigger will use to compare with.  Use value range of 0 - 100 for percentage.|param=string}}
{{KV|CountType|choices|How the trigger should count the players.|param=string}}
{{KV|CountType|choices|How the trigger should count the players.|param=string}}
:* 0 : Specific Number of players.
:* 0 : Specific Number of players.
:* 1 : Percentage of all living players.
:* 1 : Percentage of all living players.
{{KV|PlayerValue|int|The value this trigger will use to compare with.  Use value range of 0 - 100 for percentage.|param=string}}
{{KV|UseHud|choices|Use the HUD element for each player touching the trigger. (It will not display while the trigger is disabled)|param=string}}
{{KV|UseHud|choices|Enable a [[HUD]] element to each player within the volune showing the current number of players and the required amount.|param=string}}
:* 0 : No
:* 0 : No
:* 1 : Yes
:* 1 : Yes
{{KV Trigger}}
{{KV Trigger}}
{{note|Filters can be used with this entity, however only players can use the special features of this entity.}}


==Flags==
==Flags==
{{Fl Trigger}}
{{Fl Trigger}}
 
{{warning|Only use the Client spawnflag for this entity.}}
{{note|Only use the Client spawnflag for this entity.}}


==Inputs==
==Inputs==
Line 27: Line 25:


==Outputs==
==Outputs==
{{IO|OnPlayersIn|Fired when the player count '''equals''' the requirement.}}
{{O|OnPlayersIn|Fired when the player count passes the requirement.}}
{{IO|OnPlayersOut|Fired when the player count drops '''below''' the requirement after reaching it.}}
{{O|OnPlayersOut|Fired when the player count drops '''below''' the requirement after reaching it.}}
{{O Trigger}}
{{O Trigger}}


==See also==
==See also==
*[[Synergy_Entities]]
*[[Synergy_Entities|List of Synergy's Entities]]
 
[[Category:Level Design]]

Latest revision as of 06:50, 21 April 2025

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trigger_coop's HUD element showing that 3 players are currently touching the trigger, and 1 more is required to fire OnPlayersIn output.

trigger_coop is a brush entity available in Synergy Synergy. It keeps track of the number of players touching it.

Note.pngNote:This entity is specifically designed for detecting players. Use trigger_multiple for other entities.

Entity description

A brush entity that counts the number players touching it and fires OnPlayersIn output when the number of players passes the set threshold. It can be set to require a specific number of players, or require a percentage of living players. A HUD element can be shown to all players touching the trigger; displaying the current number of players that are also touching it, out of the total requirement.

Keyvalues

PlayerValue ([todo internal name (i)]) <integer>
The number or percent of living players this trigger will use to compare with. Use value range of 0 - 100 for percentage.
CountType ([todo internal name (i)]) <choices>
How the trigger should count the players.
  • 0 : Specific Number of players.
  • 1 : Percentage of all living players.
UseHud ([todo internal name (i)]) <choices>
Use the HUD element for each player touching the trigger. (It will not display while the trigger is disabled)
  • 0 : No
  • 1 : Yes
BaseTrigger
Filter Name (filtername) <filter>
A filter entity to test potential activators against.
Start Disabled (StartDisabled) <boolean>
Stay dormant until activated (with theEnableinput).
Note.pngNote:Filters can be used with this entity, however only players can use the special features of this entity.

Flags

BaseTrigger
Everything (not including physics debris) : [64]
Clients (Survivors, Special Infected, Tanks Left 4 Dead seriesLeft 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 seriesLeft 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.
Warning.pngWarning:Only use the Client spawnflag for this entity.

Inputs

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.
Icon-Bug.pngBug:Sleeping prop_physics will never fire "OnTouching". Also applies to entities using prop_physics as base.  (tested in: Half-Life 2)
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 Source 2013 MultiplayerTeam Fortress 2 branch)
Disables this trigger and calls EndTouch on all currently-touching entities.

Outputs

OnPlayersIn
Fired when the player count passes the requirement.
OnPlayersOut
Fired when the player count drops below the requirement after reaching it.
BaseTrigger
OnStartTouch
!activator = entity that caused this output
!caller = this entity
Fired when a valid entity starts touching this trigger.
OnStartTouchAll
!activator = entity that caused this output
!caller = this entity
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
!activator = entity that caused this output
!caller = this entity
Fired when a valid entity stops touching this trigger.
Note.pngNote:Will also fire for entities touching it when trigger is disabled via Disable input
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[How?] where both are fired on the same tick and each have the same delay.
Note.pngFix:Add a slight delay to OnEndTouch.
OnEndTouchAll
!activator = entity that caused this output
!caller = this entity
Fired when all valid entities stop touching this trigger.
OnTouching  (in all games since Source 2007)
!activator = !caller = this entity
Fired if something is currently touching this trigger when TouchTest is fired.
OnNotTouching  (in all games since Source 2007)
!activator = !caller = this entity
Fired if nothing is currently touching this trigger when TouchTest is fired.

See also

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