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Antenna tags are an object widget representing a springy series of vertices rendered with a bitmap texture which can be attached to object markers. They are only used on the Warthog and Scorpion vehicles, but during Halo's development they were also present on the Spartan (cyborg) biped.

Limits

The game state has limited space for simulated antennas (12 in legacy, 24 in H1A). Extra antennas in the map will not be rendered.

Structure and fields

Field Type Comments
attachment marker name TagString
Field Type Comments
buffer char[32]

Null-terminated string in 32-char buffer.

bitmaps TagDependency: bitmap
physics TagDependency: point_physics
spring strength coefficient float
falloff pixels float
cutoff pixels float
length float
  • Cache only
vertices Block
Field Type Comments
spring strength coefficient float
angles Euler2D
Field Type Comments
yaw float
pitch float
length float
  • Unit: world units
sequence index uint16
color ColorARGB
Field Type Comments
alpha float
red float
green float
blue float
lod color ColorARGB?
offset Point3D
  • Cache only
Field Type Comments
x float
y float
z float

Acknowledgements

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

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