Func button

Template:Base brush It is designed to be used for a player-usable button. When used by the player, it moves to a pressed position. For an example of a func_button used to make a keypad, see the button_keypad prefab.

Bug:Do not lock while pressed; it will not return when unlocked.  [todo tested in ?]

In code, it is represented by theCBaseButtonclass, defined in thebuttons.cppfile.

Keyvalues

Move Direction (Pitch Yaw Roll) (movedir) ([todo internal name (i)]) <angle>

Specifies the direction of motion to move when the button is used.

Speed (speed) ([todo internal name (i)]) <integer>

The speed that the button moves, in units per second.

Health (Obsolete) (health) ([todo internal name (i)]) <integer>

Legacy method of specifying whether or not the button can be shot to activate it. Use the Damage Activates spawnflag instead.

Lip (lip) ([todo internal name (i)]) <integer>

The amount, in inches, of the button to leave sticking out of the wall it recedes into when pressed. Negative values make the button recede even further into the wall.

Master (Obsolete) (master) ([todo internal name (i)]) <string>

Legacy support: The name of a master entity. If the master hasn't been activated, this button cannot be pressed.

Sounds (sounds) ([todo internal name (i)]) <choices>

Make this button emit a sound when pressed.

Note:The list below was made for Half-Life 2. All games support this keyvalue, but some don't have a number of these sound files. To edit these sounds, look for Buttons.snd (followed by a number from the Value column in this table) in hl2/scripts/game_sounds_world.txt or your game's appropriate Soundscript file.

Value	Description	Default Sound
Buttons
0	None (Silent)	common/null.wav
1	Big zap & Warmup	buttons/button1.wav
2	Access Denied	buttons/button2.wav
3	Access Granted	buttons/button3.wav
4	Quick Combolock	buttons/button4.wav
5	Power Deadbolt 1	buttons/button5.wav
6	Power Deadbolt 2	buttons/button6.wav
7	Plunger	buttons/button7.wav
8	Small zap	buttons/button8.wav
9	Keycard Sound	buttons/button9.wav
10	Buzz	buttons/button10.wav
11	Buzz Off	buttons/button11.wav
12	latch locked	doors/latchlocked2.wav
13	Latch Unlocked	doors/latchunlocked1.wav
14	Lightswitch	buttons/lightswitch2.wav
15	small bleek	buttons/button15.wav
16	small deny	buttons/button16.wav
17	small doop	buttons/button17.wav
18	small tech deny	buttons/button18.wav
19	click and combine screen fuzz	buttons/button19.wav
20	roomy beep	buttons/button20.wav
Levers
21	lever or wheel: turn + move sqeek	buttons/lever1.wav
22	lever or wheel: latch + release gas	buttons/lever2.wav
23	lever or wheel: ratchet + sqeek	buttons/lever3.wav
24	lever or wheel: large ratchet	buttons/lever4.wav
25	lever or wheel: clanky + gas release	buttons/lever5.wav
26	lever or wheel: latch + large metal thud	buttons/Lever6.wav
27	lever or wheel: smaller ratchet	buttons/Lever7.wav
28	lever or wheel: smaller lever move	buttons/Lever8.wav
New buttons
31	shock buzz	buttons/button21.wav
32	clickbeep	buttons/button22.wav
33	tech blip	buttons/button23.wav
34	clickbeepbeep open	buttons/button24.wav
35	small high blip	buttons/button12.wav
36	small tech fuzz blip	buttons/button13.wav
37	small click bleep (change to lightswitch)	buttons/button14.wav
Combine Buttons
40	combine door lock - locked	buttons/combine_button_locked.wav
41	combine blip growl	buttons/combine_button1.wav
42	combine squick growl	buttons/combine_button2.wav
43	combine whine purr	buttons/combine_button3.wav
44	combine click talk	buttons/combine_button4.wav
45	combine click growl fizz	buttons/combine_button5.wav
46	combine click fizz (deny)	buttons/combine_button6.wav
47	combine click talker	buttons/combine_button7.wav

Delay Before Reset (-1 stay) (wait) ([todo internal name (i)]) <integer>

Amount of time, in seconds, after the button has been pressed before it returns to the starting position. Once it has returned, it can be used again. If the value is set to -1, the button never returns.

Locked Sound (locked_sound) ([todo internal name (i)]) <choices>

Sound played when the player tries to use the button, and fails because it's locked.

Value	Description	Default Sound
0	None	common/null.wav
2	Access Denied	buttons/button2.wav
8	Small zap	buttons/button8.wav
10	Buzz	buttons/button10.wav
11	Buzz Off	buttons/button11.wav
12	Latch Locked	doors/latchlocked2.wav

Unlocked Sound (unlocked_sound) ([todo internal name (i)]) <choices>

Sound played when the button is unlocked.

Confirm:doesn't seem to work?

Value	Description	Default Sound
0	None	common/null.wav
1	Big zap & Warmup	buttons/button1.wav
3	Access Granted	buttons/button3.wav
4	Quick Combolock	buttons/button4.wav
5	Power Deadbolt 1	buttons/button5.wav
6	Power Deadbolt 2	buttons/button6.wav
7	Plunger	buttons/button7.wav
8	Small zap	buttons/button8.wav
9	Keycard Sound	buttons/button9.wav
10	Buzz	buttons/button10.wav
13	Latch Unlocked	doors/latchunlocked1.wav
14	Lightswitch	buttons/lightswitch2.wav

Locked Sentence (locked_sentence) ([todo internal name (i)]) <choices>

A sentence played when the player tries to use the button, and fails because it's locked.

Value	Description
0	None
1	Gen. Access Denied
2	Security Lockout
3	Blast Door
4	Fire Door
5	Chemical Door
6	Radiation Door
7	Gen. Containment
8	Maintenance Door
9	Broken Shut Door

Unlocked Sentence (unlocked_sentence) ([todo internal name (i)]) <choices>

A sentence played when the button is unlocked.

Value	Description
0	None
1	Gen. Access Granted
2	Security Disengaged
3	Blast Door
4	Fire Door
5	Chemical Door
6	Radiation Door
7	Gen. Containment
8	Maintenance area

Glow Entity (glow) ([todo internal name (i)]) <targetname> (in all games since )

The name of an entity that will get a +use glow for this button.

Use Look-At Limit (min_use_angle) ([todo internal name (i)]) <string> (in all games since )

Limit the usable look-at angle. -1 is looking directly away, 0 is looking perpendicular, 1 is looking directly at.

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Flags

• 1: Don't move
• 32: Toggle
• 256: Touch Activates
• 512: Damage Activates
• 1024: Use Activates
• 2048: Starts locked
• 4096: Sparks

Inputs

Lock

Lock the button, preventing it from functioning.

Unlock

Unlock the button, allowing it to function.

Press

Activate the button as if it was pressed.

PressIn

Activate the button as if it was pressed, sending it to the bottom position.

PressOut

Unpress the button, sending it to the top position.

SetDamageFilter <targetnameRedirectInput/string>

Sets a filter for this entity for when it receives damage.

EnableDamageForces

Allows the entity to be pushed by damage done to it (usually force amount correlates with the damage done).

DisableDamageForces

Prevents the entity from being pushed by damage done to it.

Todo: move/mention at proper place

Outputs

OnDamaged

Fired when the button is damaged.

OnPressed

Fired when the button is pressed.

OnUseLocked

Fired when the button is used while locked.

OnIn

Fired when the button reaches the in/pressed position.

OnOut

Fired when the button reaches the out/released position.

See Also

• func_rot_button
• momentary_rot_button