A brush entity, which can be triggered by the player by issuing his 'Use'-command on it while standing next to it and looking at it. The
func_button then triggers its target. This is the most common entity for players interacting with other map entities or entity systems.
The func_button triggers its target when used or triggered by another entity. You can add 'killtarget' manually.
"Locked Sound", locked_sound :
Sound to play if the button is pressed while locked.
"Unlocked Sound", unlocked_sound :
Sound to play if the button is pressed while not locked.
"Locked Sentence", locked_sentence :
Sentence to be heard if the button is pressed while locked. It is spoken with the voice of Half-Life's Black Mesa announcer.
"Unlocked Sentence", unlocked_sentence :
Sentence to be heard if the button is pressed while not locked. It is spoken with the voice of Half-Life's Black Mesa announcer.
Speed at which the button moves when pressed, unless 'Don't move' is set. The button moves for its width in the move direction, specified by 'angle'.
"Health (shootable if >0)", health :
If you enter here value higher than 0, the button becomes shootable only, and can be activated when it's out of health.
"Lip", lip :
This value will be deducted from the buttons move distance. Negative values are allowed.
Allows you to specify the name of a multisource entity to lock/unlock this button.
Set the sound to be played when the button is pressed. It will play when the button is locked, too.
"Delay before reset", wait :
When the button is pressed, it will remain in its pressed state for this amount of time. This also affects any toggleable textures on it. If set to '-1', the button can be pressed only once, and will then remain in its pressed state forever. If a multisource entity is among the func_button's targets, that multisource entity will recognize the button's input to be active only for this amount
of time.
"Classification", classify :
Classification of this button. If specified, enemies of this class will attack this button.
"Locked Sound Override", locked_sound_override :
Sound file to use when attempting to open locked entity. Useful when you don't want to use sound from default sound list.
This overrides default "Locked Sound" sound.
"Unlocked Sound Override", unlocked_sound_override :
Sound file to use when entity is unlocked. Useful when you don't want to use sound from default sound list.
This overrides default "Locked Sound" sound.
"Locked Sentence Override", locked_sentence_override :
Sentence from sentences.txt to use when attempting to open locked entity. Useful when you want to override locked sentence with your own sentence.
"Unlocked Sentence Override", unlocked_sentence_override :
Sentence from sentences.txt to use when entity is unlocked. Useful when you want to override unlocked sentence with your own sentence.
"Sound Override", noise :
Custom sound, that overrides default sound from "Sounds" list to play when the button is pressed. It will play when the button is locked, too.
Inventory Rules, InventoryRules @BaseClass:
List of inventory-related keyvalues used with item_inventory entity. Whenever player is attempting to use an entity, the inventory test runs. If test result is negative, the entity won't work. In other case, entity can be used as normal, but only by player who passed the test with required inventory conditions:
- "Inventory: Need item(s)", item_name_required : Item(s) (names separated by spaces) required to use this entity.
Refers to "Item name" value of item_inventory.
- "Inventory: Need item(s) from group(s)", item_group_required : Groups (separated by spaces), in which carried items belong to, required to use this entity. Refers to "Item group name" value of item_inventory.
- "Inventory: Item count in group need have", item_group_required_num : Minimal number of items, that belong
to specified group, required to use this entity. Use with "Inventory: Need item(s) from group(s)" keyvalue. Value of '0' means that all items from current group are required.
- "Inventory: CAN'T have item", item_name_canthave : Items in player inventory that will fail the test, and disallow usage
of this entity. Refers to "Item name" value of item_inventory.
- "Inventory: CAN'T have item from group", item_group_canthave : Items in player inventory, which belong to specified group, that will fail the test, and disallow usage of this entity. Refers to "Item group name" value of item_inventory.
- "Inventory: Item count in group CAN'T have", item_group_canthave_num : Minimal number of items in player inventory, which belong to specified group, that will fail the test, and disallow usage of this entity. Refers to "Item group name"
value of item_inventory. Value of '0' means no single item from current group should be equipped to pass the test.
- "On pass: Ignore item's on use triggers?", pass_ignore_use_triggers : If set to 'Yes' item's trigger targets from 'Target: On use (by trigger)' will not be fired when item is used by this entity.
- "On pass: Drop item(s)", pass_drop_item_name : Items to force-drop when the test result is positive, and entity is used successfully. Refers to "Item name" value of item_inventory. Multiple item names are separated by spaces.
- "On pass: Drop item(s) from group(s)", pass_drop_item_group : Items to force-drop, that belong to specified group, when the test result is positive, and entity is used successfully. All items from this group will be dropped.
Refers to "Item group name" value of item_inventory. Multiple item names are separated by spaces.
- "On pass: Ignore item's on drop triggers?", pass_ignore_drop_triggers : If set to 'Yes' item's trigger targets from 'Target: On drop' will not be fired when item is dropped by this entity with 'Drop items(s)' events above.
- "On pass: Return item(s)", pass_return_item_name : Items to return to their starting positions when test result is positive. Refers to "Item name" value of item_inventory. Multiple item names are separated by spaces.
- "On pass: Return item(s) from group(s)", pass_return_item_group : Items, that belong to specified group, to return to their starting positions when test result is positive. All items from this group will be returned. Refers to "Item group name" value of item_inventory. Multiple group names are separated by spaces.
- "On pass: Ignore item's on return triggers?", pass_ignore_return_triggers : If set to 'Yes' item's trigger targets from 'Target: On return' will not be fired when item is returned by this entity with 'Return items(s)' events above.
- "On pass: Destroy item(s)", pass_destroy_item_name : Items to remove when test result is positive. Refers to "Item name" value of item_inventory. Multiple item names are separated by spaces.
- "On pass: Destroy item(s) from group(s)", pass_destroy_item_group : Items, that belong to specified group, to remove when test result is positive. All items from this group will be removed. Refers to "Item group name" value
of item_inventory. Multiple group names are separated by spaces.
- "On pass: Ignore item's on destroy triggers?", pass_ignore_destroy_triggers : If set to 'Yes' item's trigger targets from 'Target: On Destroy' will not be fired when item is destroyed by this entity with 'Destroy items(s)' events above.
- "Target: Inventory rules failed", target_on_fail : Entity to trigger whenever test result is negative.
"Use Type", use_type :
Set the use-type with which the button will fire its targets. Default is 'Toggle'.
1: "Don't move": If set, this func_button won't move when pressed and be activated instantly instead.
32: "Toggle": If set, this func_button will ignore its delay before reset and be toggleable instead, switching between the texture states whenever pressed, if such a texture is assigned on one of its faces. The delay before reset still needs to be greater than zero in order for this to work, though.
64: "Sparks": If set, the func_breakable ocassionally emits sparks. You can use this for easily creating buttons which appear to be broken.
256: "Touch activates": If set, this func_button can be activated by touching it. This disables activating per use-key.
- 5.0 Steam Release: Added 'Inventory Rules', 'Sound Override', 'Locked Sound Override', 'Unlocked Sound Override',
'Locked Sentence Override' and 'Unlocked Sentence Override' keyvalues.
- 5.11: Added 'Use Type' keyvalue.
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