vehicle

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Vehicles are a type of unit which can be driven by bipeds. They are dynamic objects with mass-point physics. While most examples of vehicles are fairly obvious, some more esoteric ones include the cryopods in a10, lifepods and longswords despite only being used in cinematics, and even the Halo ring seen outside the autumn's bridge.

Structure and fields

This tag inherits fields from unit which are not shown here. See the parent's page for more information. The following information is unique to the vehicle tag.

Field Type Comments

vehicle flags bitfield

Flag	Mask	Comments
speed wakes physics	`0x1`
turn wakes physics	`0x2`
driver power wakes physics	`0x4`
gunner power wakes physics	`0x8`
control opposite speed sets brake	`0x10`
slide wakes physics	`0x20`
kills riders at terminal velocity	`0x40`
causes collision damage	`0x80`
ai weapon cannot rotate	`0x100`
ai does not require driver	`0x200`
ai unused	`0x400`
ai driver enable	`0x800`
ai driver flying	`0x1000`
ai driver can sidestep	`0x2000`
ai driver hovering	`0x4000`

vehicle type enum

Option	Value	Comments
human tank	`0x0`
human jeep	`0x1`
human boat	`0x2`
human plane	`0x3`
alien scout	`0x4`
alien fighter	`0x5`
turret	`0x6`

maximum forward speed float

maximum reverse speed float

speed acceleration float

speed deceleration float

maximum left turn float

maximum right turn float

wheel circumference float

turn rate float

blur speed

float

The minimum speed where the vehicle's gbxmodel ~blur permutation is used for fake motion blur. An example is the Warthog's tires.

vehicle a in enum

Option	Value	Comments
none	`0x0`
speed absolute	`0x1`
speed forward	`0x2`
speed backward	`0x3`
slide absolute	`0x4`
slide left	`0x5`
slide right	`0x6`
speed slide maximum	`0x7`
turn absolute	`0x8`
turn left	`0x9`
turn right	`0xA`
crouch	`0xB`
jump	`0xC`
walk	`0xD`
velocity air	`0xE`
velocity water	`0xF`
velocity ground	`0x10`
velocity forward	`0x11`
velocity left	`0x12`
velocity up	`0x13`
left tread position	`0x14`
right tread position	`0x15`
left tread velocity	`0x16`
right tread velocity	`0x17`
front left tire position	`0x18`
front right tire position	`0x19`
back left tire position	`0x1A`
back right tire position	`0x1B`
front left tire velocity	`0x1C`
front right tire velocity	`0x1D`
back left tire velocity	`0x1E`
back right tire velocity	`0x1F`
wingtip contrail	`0x20`
hover	`0x21`
thrust	`0x22`
engine hack	`0x23`
wingtip contrail new	`0x24`

vehicle b in enum^?

vehicle c in enum^?

vehicle d in enum^?

maximum left slide float

maximum right slide float

slide acceleration float

slide deceleration float

minimum flipping angular velocity

float

Default: 0.2

maximum flipping angular velocity

float

Default: 0.75

fixed gun yaw float

fixed gun pitch float

ai sideslip distance float

ai destination radius float

ai avoidance distance float

ai pathfinding radius float

ai charge repeat timeout float

ai strafing abort range float

ai oversteering bounds Bounds

Field	Type	Comments
min	`float`
max	`float`

ai steering maximum float

ai throttle maximum float

ai move position time float

suspension sound TagDependency: sound

crash sound TagDependency: sound

material effects TagDependency: material_effects

effect TagDependency: effect

Acknowledgements

Thanks to the following individuals for their research or contributions to this topic:

Kavawuvi (Invader tag definitions)
MosesOfEgypt (Tag structure research)