Point entity: Difference between revisions

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{{seealso|[[:Category:Point entities]]}}


'''Point Entities''' are entities created at a specific position point on the [[coordinates|grid]]. Some require a model to be selected for them in order to function fully.  
'''Point Entity''' is usually defined as simply an [[entity]] that is '''not''' a [[brush entity]] i.e. entity that is created by [[Hammer Entity Tool]] on specific point on a [[coordinates|grid]] instead of tying brushes to an entity. More meaningful definition for a point entity is an entity that doesn't render a 3D model and its position in the world affects its functionality. It still may have a visual component ([[env_sprite]], [[keyframe_rope]]) or create a visual component ([[infodecal]], [[info_particle_system]]) but most of them are without one ([[ambient_generic]], [[info_target]], [[point_hurt]], [[info_teleport_destination]], [[info_elevator_floor]]).
Other types of entities that are also created on a specific point and are usually referred to as ''point entity'' are [[model entity|model entities]] and [[logical entity|logical entities]]. Point entities by these standards are most of the time subclasses of [[:Category:CPointEntity|CPointEntity]].


===Logic entities===
== General types ==
These entities are invisible entities that affect the game, creating or adding to various environmental and game controlling systems, such as [[lighting]],  [[:Category:AI|AI]] managers, [[math_counter|math counters]] and [[:Category:Choreography|choreography]].
=== Target of other entities ===
These serve mainly to provide their position for other entities that target them.
* [[info_target]]
* [[info_teleport_destination]]
* [[info_null]]
* [[info_survivor_position]]
* [[info_lighting]]
* [[info_mass_center]]


===[[Prop Types Overview|Prop entities]]===
=== Spawners ===
Prop Entities, ''available only in the Source SDK'', are (usually) inanimate objects that use a model for their appearance and function. They can be static, dynamic, or physics. Some more specific props can even have functionality, such as a [[prop_door_rotating]]. Examples of prop entities include [[prop_detail]], [[prop_dynamic]] and [[prop_ragdoll]].
Their position serves as a place where to spawn player/npc/weapon.
* [[info_player_start]]
* [[npc_maker]]
* [[info_zombie_spawn]]
* [[weapon_item_spawn]]
* [[env_entity_maker]]


===[[NPC]] entities===
=== Viewcontrol ===
NPC entities, or "Non-Player Characters" entities, are computer controlled characters and creatures that can interact with the player(s) using their ''AI'' coding. NPCs generally fall into two categories, '''Friendly''', NPCs that help, assist, or do not affect the player, and '''Hostile''', NPCs that attack or negatively affect the player.
* [[point_viewcontrol]]
* [[point_viewcontrol_multiplayer]]
* [[point_viewcontrol_survivor]]
 
=== Visual ===
* [[env_sprite]]
* [[infodecal]]
* [[info_overlay]]
* [[info_particle_system]]
* [[move_rope]]
 
=== Sound ===
* [[ambient_generic]]
* [[env_soundscape]]
* [[env_microphone]] - detects sound
 
=== Lights ===
* [[light]]
* [[light_spot]]
* [[light_dynamic]]
 
=== Other ===
* [[point_hurt]]
* [[env_laser]]
* [[point_playermoveconstraint]]
 
=== More{{todo}} ===


== See also ==
== See also ==
*[[Brush entity]] - the other type of entity, that is "tied" to a set of [[brush|brushes]].
* [[Brush entity]]
*[[List of entities]]
* [[Model entity]]
*[[:Category:Point Entities]]
* [[Logical entity]]
* [[List of entities]]
* [[:Category:Point Entities]]
* coding [[Your First Entity]] <!-- important article that establishes definition logical and model entity but lacks point entity -->


[[Category:Glossary]]
[[Category:Entities by type]]
[[Category:Source]]

Latest revision as of 08:19, 22 May 2025

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This is a draft page. It is a work in progress open to editing by anyone.
Remember to check for any notes left by the tagger at this article's talk page.

Point Entity is usually defined as simply an entity that is not a brush entity i.e. entity that is created by Hammer Entity Tool on specific point on a grid instead of tying brushes to an entity. More meaningful definition for a point entity is an entity that doesn't render a 3D model and its position in the world affects its functionality. It still may have a visual component (env_sprite, keyframe_rope) or create a visual component (infodecal, info_particle_system) but most of them are without one (ambient_generic, info_target, point_hurt, info_teleport_destination, info_elevator_floor). Other types of entities that are also created on a specific point and are usually referred to as point entity are model entities and logical entities. Point entities by these standards are most of the time subclasses of CPointEntity.

General types

Target of other entities

These serve mainly to provide their position for other entities that target them.

Spawners

Their position serves as a place where to spawn player/npc/weapon.

Viewcontrol

Visual

Sound

Lights

Other

More[Todo]

See also

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