func_tow
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func_tow is a brush entity available in 
Black Mesa. This is 
BGM-71 TOW used by the HECU. Can be used by player and HECU soldiers. Unlike other entities based on func_tank entity, this entity needs manual reload after each shoot, the ammunition is item_tow_missile (must be holded by player, simple touching of this object to func_tow will not reload this weapon).
Note:The fire, deploy and reload sounds are hardcoded. You still can change both in your Black Mesa mod by replacing the sounds with a blank sounds and playing your own sounds via input/output system.Note:Only certain NPCs (npc_human_commander, npc_human_grenadier, npc_human_grunt and npc_human_medic) can use this weapon via FindNPCToManTank input. Other will ignore this input.
Important:This entity can't be used without model combination (will not fire).
Warning:It is not recommended to use enabled collision for model, it will cause missiles to explode when fired.
Bug:NPC's weapon breaks after this gun usage. It doesn't removes, but becomes invisible and unable to shoot (NPC still reload weapon several times, for some reason). This breaks the AI partially, because such NPC still thinks that it have functional weapon. This bug not in 
Black Mesa (mod) (the mod version). [todo tested in ?]Bug:This entity creates laser point. This laser point have issues with rendering, it can be seen through any object. Not in Black Mesa (mod) (the mod version).
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Note:In Black Mesa (mod) (the mod version) this entity also have laser beam, not only laser point.
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Dedicated ConVars
Black Mesa: Definitive Edition
| Cvar/Command | Parameters or default value | Descriptor | Effect |
|---|---|---|---|
| sk_detenator_tow_track_acceleration | 300 | arbitrary number | Missile acceleration.Bug:Large values may cause missile to disappear. [todo tested in ?] |
| sk_detenator_tow_max_speed | 3000 | arbitrary number | Max missile speed. |
| sk_detenator_tow_intial_speed | 1500 | arbitrary number | Intial missile speed.Bug:Large values may cause missile to disappear. [todo tested in ?] |
| sk_detenator_tow_plr_dmg | 150 | arbitrary number | Missile damage scale if it is launched by the player. |
| sk_detenator_tow_plr_dmg_radius | 375 | arbitrary number | Missile damage radius if it is launched by the player. |
| sk_detenator_tow_npc_dmg | 150 | arbitrary number | Missile damage scale if it is launched by NPC. |
| sk_detenator_tow_npc_dmg_radius | 375 | arbitrary number | Missile damage radius if it is launched by NPC. |
Note:All these console commands are not directly related to func_tow and func_tow_mp. These console commands are parameters for grenade_tow. Black Mesa (mod) (the mod version)
| Cvar/Command | Parameters or default value | Descriptor | Effect |
|---|---|---|---|
| sk_plr_dmg_grenade_tow | 150 | arbitrary number | Missile damage scale if it is launched by the player. |
| sk_npc_dmg_grenade_tow | 150 | arbitrary number | Missile damage scale if it is launched by NPC. |
| sk_grenade_tow_airspeed | 1500 | arbitrary number | Missile air speed. |
| sk_grenade_tow_precision | 1 | arbitrary number | TOW precision. Doesn't work. |
Note:All these console commands are not directly related to func_tow. These console commands are parameters for grenade_tow.Flags
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Keyvalues
- Control Volume (control_volume) <targetname>
- Name of a trigger the player must be inside to control the tank.
- (Team) Master (master) <string>
- Not used for Source. Provided for backwards compatibility with multisource or game_team_master.
- Yaw rate (yawrate) <string>
- How fast tank can look left or right.
- Yaw range (yawrange) <string>
- How far tank can turn left or right.
- Yaw tolerance (yawtolerance) <string>
- Additional left-right range. If the gun tries to turn beyond Yaw range + Yaw tolerance, the gun will snap back to the maximum Yaw range.
- Pitch rate (pitchrate) <string>
- How fast tank can look up or down
- Pitch range (pitchrange) <string>
- How far tank can turn up or down
- Pitch tolerance (pitchtolerance) <string>
- Additional up-down range. If the gun tries to turn beyond Pitch range + Pitch tolerance, the gun will snap back to the maximum Pitch range.
- Barrel Length (barrel) <string>
- Solid length of the tank barrel. Any part of the barrel beyond this length may clip through objects.
- Barrel Horizontal (barrely) <string>
- How wide the barrel is, horizontally.}
- Barrel Vertical (barrelz) <string>
- How wide the barrel is, vertically.
- Smoke Sprite (spritesmoke) <sprite>
- Smoke sprite to emit when gun fires. Bug:Transparency may not work. [todo tested in ?]
- Flash Sprite (spriteflash) <sprite>
- Flash sprite to emit when gun fires.
- Sprite scale (spritescale) <string>
- Sprite scale for both sprites above.
- Rotate Start Sound (rotatestartsound) <sound>
- Sound to play when tank starts to turn.
- Rotate Loop Sound (rotatesound) <sound>
- Sound to play when tank is turning.
- Rotate Stop Sound (rotatestopsound) <sound>
- Sound to play when tank stops turning.
- Rate of Fire (firerate) <string>
- Number of bullets to fire in a second.
- Damage Per Bullet (bullet_damage) <string>
- How much a single bullet hurts everything except the player. If
0, takes amount from the type of bullet/damage.
Bug:Doesn't work. If need your own damage value - use the console commands. [todo tested in ?]- Damage Per Bullet Vs Player (bullet_damage_vs_player) <string>
- How much a single bullet hurts the player only. If
0, takes amount from the type of bullet/damage.
Bug:Doesn't work. If need your own damage value - use the console commands. [todo tested in ?]- Firing persistence (persistence) <string>
- How many seconds to keep firing at target's last known position after losing LOS (for NPCs).
- Firing persistence2 (persistence2) <string>
- After Firing persistence is over, how many seconds to periodically fire at target's last known position (for NPCs).
- Bullet accuracy (firespread) <choices>
- How accurately the gun can fire.
- 0: Perfect Shot
- 1: Small cone
- 2: Medium cone
- 3: Large cone
- 4: Extra-large cone
- Minimum target range (minRange) <string>
- Minimum range to target something (for NPCs). If a target is closer than this amount, the NPC will probably switch to any weapon they have on them.
- Maximum target range (maxRange) <string>
- Maximum range to target something (for NPCs).
Confirm:This may actually be the distance for aim assistance instead?
- Gun Base Attachment (gun_base_attach) <string>
- If Parent is specified, this is the attachment point on the parent to aim from.
- Gun Barrel Attachment (gun_barrel_attach) <string>
- If Parent is specified, this is the attachment point on the parent to fire from. If you specify this, you'll want to specify the Gun Base Attachment too.
- Gun Yaw Pose Param (gun_yaw_pose_param) <string>
- If Parent and Gun Pitch Pose Param are specified, then the gun itself will be invisible and the tank will steer a gun on the parent using the pose parameters.
- Gun Yaw Pose Center (gun_yaw_pose_center) <float>
- The center yaw pose parameter of the gun on the parent.
- Gun Pitch Pose Param (gun_pitch_pose_param) <string>
- If Parent and Gun Yaw Pose Param are specified, then the gun itself will be invisible and the tank will steer a gun on the parent using the pose parameters.
- Gun Pitch Pose Center (gun_pitch_pose_center) <float>
- The center pitch pose parameter of the gun on the parent.
- Ammunition Count (ammo_count) <integer>
- Amount of ammo when player is using. -1 = unlimited ammo.
- Lead Target (LeadTarget) <boolean>
- Aim ahead to hit moving targets (for NPCs).
- NPC Man Point (npc_man_point) <targetname>
- Point where NPC must stand to use.
- Post-NPC Attack Grace Period (playergraceperiod) <float>
- If specified, NPC's manning this func tank won't fire at the player, after firing at a non-player, for this amount of time.
- Ignore Grace Upto (ignoregraceupto) <float>
- The player grace period is ignored if the player is under this distance from the tank.
- Player Lock Time (playerlocktimebeforefire) <float>
- The tank must be aiming right on the player for this amount of time before it's allowed to fire.
- Effect Handling (effecthandling) <choices>
- Produce these sound and particle effects when firing.
- 0: Use Individual Settings.
- 1: AR2Note:Changes the color of the fire light to blue.
- 2: Combine CannonBug:Shooting will cause DispatchEffect: effect "ChopperMuzzleFlash" not found on client error message in the console. [todo tested in ?]
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You can help our editors by replacing or deleting this template on the Pages that use this template. Once no more pages use this template, it should be Marked for deletion.
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Inputs
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- SetDamageFilter <targetname>
- 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
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See also
- func_tow_mp - tow cannon (multiplayer version).
- func_50cal - Browning .50 caliber machine gun.
- env_mortar_controller - mortar controller.
- env_mortar_launcher - mortar launcher.
- func_tankmortar - combine mortar (remaining from
Half-Life 2). - func_tank - main brush gun entity.
- func_tankphyscannister - it sets off a physics_cannister within a specified trigger volume.
- func_tankairboatgun - airboat gun (remaining from Half-Life 2).
- func_tanklaser - laser cannon.
- func_tank_combine_cannon - combine cannon (remaining from Half-Life 2).