npc_combinedropship
 Class hierarchy
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| CNPC_CombineDropship |
npc_combinedropship.cpp
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npc_combinedropship is a point entity available in 
Half-Life 2, 
Half-Life 2: Episode One, 
Half-Life 2: Episode Two, and 
Half-Life 2: Deathmatch.
- This is a Flying NPC, that uses info_node_air, info_node_air_hint or path_track's for AI navigation.
The dropship is capable of carrying a container which can deploy NPCs, as well as many other objects. It has special commands specifically for Striders and APCs.
Tip:A dropship's landing point doesn't have to be close to its last path_track. The dropship will b-line to the landing point, adjusting for landing along the way.
Bug:In any engine after the Orange Box (including console ports such as Xbox 360 and PlayStation 3), and by default, on the Source 2013 SDK, the dropship's container gun no longer rotates. There are ways to hack the original functionality with a func_tank, but this does not perfectly emulate the original behavior. This should be accounted for in level design to prevent spawn camping. A proper programming fix for it can be found here: Fixing the Dropship gun. The issues can be seen here: 
YouTubeWhile this bug has been fixed in
Half-Life 2 and 
Portal after Steam Deck update, most Source mods (especially older one) does not include this fix. [todo tested in?]
Note:Some keyvalues, spawnflags, effect flags, inputs, or outputs might not affect an NPC, based on the functionality and coding of the NPC.Dedicated Console Variables
| Cvar/Command | Parameters or default value | Descriptor | Effect |
|---|---|---|---|
g_debug_dropship | 0 | choices | : Draws boxes for debugging certain events.
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sk_dropship_container_health | 750 | int | Health of the dropship's container. It explodes when it drops to 0 |
sk_npc_dmg_dropship | 5 | int | Dropship container cannon damage. |
Keyvalues
BaseHelicopter:
- Initial Speed
(InitialSpeed)<string> - The speed that the entity should try to reach as soon as it spawns
- Target path_track
(target)<targetname> - The name of a path_track that this NPC will fly to after spawning.
- Land target name
(LandTarget)<targetname> - Land target name.
- Crate Gun Range
(GunRange)<float> - If the dropship's carrying a crate with a gun on it, it'll only shoot targets within this range.
- Name of Template NPC 1.
(NPCTemplate)<targetname>
- Name of Template NPC (2-6)
(NPCTemplate(2-6))<targetname>
- Name of dustoff point for NPC (1-6)
(Dustoff(1-6))<targetname>
- Name of the APC to drop
(APCVehicleName)<targetname>
- Invulnerable
(Invulnerable)<boolean> - Sets if the entity can be destroyed.
- Crate Type
(CrateType)<choices> - Sets the vehicle/crate type and its contains.
| Literal Value | Description |
|---|---|
| -3 | Jeep (No crate) |
| -2 | APC (No crate) |
| -1 | Strider (No crate) |
| 0 | Roller Hopper |
| 1 | Soldier Crate |
| 2 | None |
- Name of Rollermine Template
(RollermineTemplate)<targetname> - If this dropship drops any rollermines due to the 'DropMines' input being fired, it will use this template for the rollermines it creates. If left blank, ordinary rollermines will be dropped.
Flags
Wait Till Seen : [1]
Gag (No IDLE sounds until angry) : [2]
Fall to ground (unchecked means *teleport* to ground) : [4]
Drop Healthkit : [8]
Efficient - Don't acquire enemies or avoid obstacles : [16]
No Rotorwash : [32]
Await Input : [64]
Wait For Script : [128]
Long Visibility/Shoot : [256]
Fade Corpse : [512]
Think outside PVS : [1024]
Template NPC (used by npc_maker, will not spawn) : [2048]
Do Alternate collision for this NPC (player avoidance) : [4096]
Don't drop weapons : [8192]
Wait for input before dropoff : [32768]
Inputs
LandLeaveCrate<integer>- Land, drop soldiers, and leave the crate behind. Specify the number of troops to drop off in the parameter.
LandTakeCrate<integer>- Land, drop soldiers, but don't leave the crate behind. Specify the number of troops to drop off in the parameter.
SetLandTarget<targetname>- Set my land target name.
DropMines<integer>- Drop Rollermines. Specify the number of mines to drop in the parameter.
DropStrider- Drop the Strider you're carrying. Now.
DropAPC- Drop the APC you're carrying. Now.
Pickup<targetname>- Pickup an entity.Tip:this works best on prop_physics
SetGunRange<float>- Set my crate gun's range.
Hover<targetname>- Hover over a named target entity until told to fly to a path.
StopWaitingForDropoff- Stop waiting for the dropoff. Dropoff as soon as possible.
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Outputs
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OnFinishedDropoff- Fires when the dropship has finished a dropoff.
OnFinishedPickup- Fires when the dropship has finished a pickup.
OnCrateShotDownBeforeDropoff<float>- Fires when the container was shot down before it dropped off soldiers. The parameter contains the number of soldiers that weren't successfully dropped off.
OnCrateShotDownAfterDropoff<float>- Fires when the container was shot down after it dropped off soldiers.
Categories:
- CBaseAnimating
- Half-Life 2 entities
- Half-Life 2 point entities
- Half-Life 2: Episode One entities
- Half-Life 2: Episode One point entities
- Half-Life 2: Episode Two entities
- Half-Life 2: Episode Two point entities
- Half-Life 2: Deathmatch entities
- Half-Life 2: Deathmatch point entities
- Flying NPCs
- Pages with uncategorized bugs
- NPC entities
- Vehicle Entities
- Half-Life 2 NPCs
