func_combine_ball_spawner

An energy ball pulled from a spawner (to the left). The ball spawners behind the soldiers use the same entity, with different settings.

Class hierarchy
CFuncCombineBallSpawner ↳CBaseEntity
`prop_combine_ball.cpp`

func_combine_ball_spawner is a brush entity available in Half-Life 2 series and Portal series. It's a brush that creates and contains prop_combine_balls. See the combine_ball_generator and combine_ballspawner prefabs for examples of uses.

Flags

Start Inactive : [4096]
Combine Power Supply : [8192]

If set, balls will bounce as if in a power generator, like in d3_c17_10b

(Overwatch Nexus). If not set, they will behave like balls inside the pillars of light seen frequently in the Citadel.

Name (targetname) <string>: The name that other entities refer to this entity by, via Inputs/Outputs or other keyvalues (e.g. parentname or target).
Also displayed in Hammer's 2D views and Entity Report. See also: Generic Keyvalues, Inputs and Outputs available to all entities

Ball count (ballcount) <integer>: How many balls will be bouncing around.
Min ball speed (minspeed) <float>: The minimum speed of balls.
Max ball speed (maxspeed) <float>: The maximum speed of balls.
Ball radius (ballradius) <float>: Controls the size of balls. Seems to only make smaller balls.

Note:The balls appear normal size when grabbed with the super phys gun.

Ball Type (balltype) <choices>: Non-functional for this entity. All balls will spawn as the first type.
Ball Respawn Time (ballrespawntime) <float>: When balls explode (from being outside the field for too long) for an amount of time, wait this long until spawning new balls.

Note:When set to -1 balls won't respawn if the combine power supply flag is checked.

EnableDisable:

Enable / Disable: Enable/disable this entity from performing its task. It might also disappear from view.

OnBallGrabbed: Fired when a ball is disrupted and considered outside the container, normally by punting or pulling with the gravity gun. !activator is the prop_combine_ball.

OnBallHitBottomSide: Fired when a ball hits the bottom of its container, then bounces back up.

OnBallHitTopSide: Fired when a ball hits the top of its container, then bounces back down.

OnFirstBallReinserted: Fired when there's only one ball (remaining), and it re-enters the container. Useful for re-powering something.

Note:OnBallReinserted will also fire whenever this does.

OnLastBallGrabbed: Fired when there's only one ball (remaining), and it is disrupted.

Note:OnBallGrabbed will also fire whenever this does.