| Function |
Description |
| traceresult | Retrieves a result from the global engine module trace handle. |
| register_impulse | Registers a function to be called on a client impulse. |
| register_touch | Registers a function to be called on a touch action between entities of
specified classes. |
| register_think | Registers a function to be called on entity think on all entities of a
specified class. |
| set_speak | Sets the engine module speak flags on a client. |
| get_speak | Returns the engine module speak flags currently set on a client. |
| drop_to_floor | Uses the DROP_TO_FLOOR() engine function on an entity, which attempts to put
it down on the floor. |
| get_info_keybuffer | Retrieves keyvalue buffer from a client or the server. |
| force_use | Forces an entity (such as a player) to use another entity (such as a button). |
| get_global_float | Returns a float type value from the server globals. |
| get_global_int | Returns a integer type value from the server globals. |
| get_global_string | Retrieves a global string type value from the server. |
| get_global_vector | Returns a vector type value from the server globals. |
| get_global_edict | Returns a edict type value from the server globals. |
| entity_set_size | Sets the size of the entity bounding box, as described by the minimum and
maximum vectors relative to the origin. |
| get_decal_index | Returns the index of a decal. |
| entity_range | Returns the distance between two entities. |
| entity_get_int | Returns an integer type value from an entities entvar struct. |
| entity_set_int | Sets an integer type value in an entities entvar struct. |
| entity_get_float | Returns a float type value from an entities entvar struct. |
| entity_set_float | Sets a float type value in an entities entvar struct. |
| entity_get_vector | Retrieves a vector type value from an entities entvar struct. |
| entity_set_vector | Sets a vector type value in an entities entvar struct. |
| entity_get_edict | Returns an edict type value from an entities entvar struct. |
| entity_set_edict | Sets an edict type value in an entities entvar struct. |
| entity_get_string | Retrieves a string type value from an entities entvar struct. |
| entity_set_string | Sets a string type value in an entities entvar struct. |
| entity_get_byte | Returns a bytearray type value from an entities entvar struct. |
| entity_set_byte | Sets a bytearray type value in an entities entvar struct. |
| create_entity | Creates an entity. |
| find_ent_by_class | Searches entities in the world, starting at a specified index and matching by
classname. |
| find_ent_by_owner | Searches entities in the world, starting at a specified index, matching by
owner and a configurable entity field. |
| find_ent_by_target | Searches entities in the world, starting at a specified index and matching by
target. |
| find_ent_by_tname | Searches entities in the world, starting at a specified index and matching by
targetname. |
| find_ent_by_model | Searches entities in the world, starting at a specified index and matching by
classname and model. |
| find_ent_in_sphere | Searches for entities inside a sphere, starting at a specified index. |
| call_think | Calls the DispatchThink() game DLL function on an entity, triggering it to
think if applicable. |
| is_valid_ent | Returns if an entity index is valid (as required by other engine natives). |
| entity_set_origin | Sets the origin of an entity. |
| entity_set_model | Sets the model of an entity. |
| remove_entity | Removes an entity from the world. |
| entity_count | Returns the current number of entities in the world. |
| fake_touch | Forces an entity to touch another entity. |
| DispatchKeyValue | Fires/sets a keyvalue on an entity. |
| get_keyvalue | Retrieves a value from an entities keyvalues. |
| copy_keyvalue | Retrieves buffers from the keyvalue structure. |
| DispatchSpawn | Calls the spawn function on an entity. |
| radius_damage | Hurts (and kills, if applicable) players in a sphere. |
| point_contents | Returns the contents value of an origin. |
| trace_line | Fires a trace line between two origins, retrieving the end point and entity
hit. |
| trace_hull | Fires a trace hull on a specified origin or between two origins. |
| trace_normal | Fires a trace line between two origins, retrieving the trace normal. |
| get_grenade_id | Finds a grenade entity, matching by owner. |
| halflife_time | Returns the game time based on the game tick. |
| set_lights | Sets the map lighting level. |
| attach_view | Attaches a clients viewport to an entity. |
| set_view | Sets the engine module view mode on a client. |
| playback_event | Plays back an event on the client. Most prominently used for gun firing
animations. |
| get_usercmd | Retrieves a value from a usercmd struct. |
| set_usercmd | Sets a value in a usercmd struct. |
| eng_get_string | Retrieves a string from the engine string table. |
| pfn_touch | Called when two entities touch. |
| server_frame | Called at the start of every server frame. |
| client_kill | Called when a client types kill in console. |
| client_PreThink | Called at the start of each client think. |
| client_PostThink | Called after each client think. |
| client_impulse | Called when a client triggers an impulse. |
| client_cmdStart | Called for CmdStart() on a client. |
| pfn_think | Called when an entity thinks. |
| pfn_playbackevent | Called when an event is played. |
| pfn_keyvalue | Called when a keyvalue pair is sent to an entity. |
| pfn_spawn | Called when an entity is spawned. |
| find_sphere_class | Searches for entities inside a sphere around a specified entity or origin,
matching by classname. |
| is_in_viewcone | Returns if an origin is in an entities view cone. Derived from SDK. |
| is_visible | Returns if an entity is visible to another entity. Derived from SDK. |
| trace_forward | Attempts to describe an obstacle by firing trace lines in a specified
direction, offset on the z-axis around an origin. |
| set_ent_rendering | Sets rendering options of an entity. |
| entity_intersects | Returns if two entities bounding boxes intersect by comparing their absolute
minimum and maximum origins. |
| unregister_impulse | Removes a previously registered impulse hook. |
| unregister_touch | Removes a previously registered touch hook. |
| unregister_think | Removes a previously registered think hook. |
| get_global_edict2 | Returns a edict type value from the server globals. |
| entity_get_edict2 | Returns an edict type value from an entities entvar struct. |