Documentation/Engine/Units/accessory addon data

The accessory_addon_data unit is used for vehicle accessories that add a visible component to the vehicle. It defines the paths to the visible models and their configuration (variant, look, excluded views), and the path to the collision mesh if applicable. Units of this type are typically found in /def/vehicle/truck/<make.model>/accessory/<type>/*.sii, but some special accessories which don't directly interact with the player (eg badges which are dependent on the engine/chassis configuration) may also be found in def/vehicle/truck/<make.model>/<special_type>/*.sii.

Attributes

Many common attributes are inherited from accessory_data.

Name	Type	Required/Optional	Description
exterior_model	string	optional	Path to the descriptor (.pmd) for the model to be displayed in the exterior view (if applicable).
exterior_model_uk	string	optional	Path to the descriptor (.pmd) for the model to be displayed in the exterior view for left-hand drive vehicles (if applicable). If unset, defaults to exterior_model.
interior_model	string	optional	Path to the descriptor (.pmd) for the model to be displayed in the interior view (if applicable).
interior_model_uk	string	optional	Path to the descriptor (.pmd) for the model to be displayed in the interior view for left-hand drive vehicles (if applicable). If unset, defaults to interior_model.
coll	string	optional	Path to the collision mesh (.pmc) for the accessory (if applicable).
look	token	optional	Selects the look to be used on all models. If unset, defaults to default. Note: All models for an accessory must have the same set of looks.
variant	token	optional	Selects the variant to be used on all models. If unset, defaults to default. Note: All models for an accessory must have the same set of variants.
hide_in	u32	optional	Flag for “hiding“ accessory from being drawn in specific views. Valid values can be calculated here. Note: Accessories whose model references textures containing the mirror reflection (e.g. the mirrors itself) MUST be marked as not visible in the mirrors. Previously there was special mechanism to handle this however the now game exclusively relies on hide_in attribute to handle that.

Subclasses

• accessory_addon_int_data (adds toy physics)
• accessory_addon_patch_data (adds cloth/flag physics)

Raw Unit Definition

  "accessory_addon_data":{
   "superclass":"accessory_data",
   "attrs":{
    "name":{
     "type": "string"
    },
    "short_name":{
     "type": "string"
    },
    "icon":{
     "type": "string"
    },
    "info":{
     "type": "string_array"
    },
    "price":{
     "type": "s64"
    },
    "unlock":{
     "type": "uint"
    },
    "suitable_for":{
     "type": "string_array"
    },
    "conflict_with":{
     "type": "string_array"
    },
    "defaults":{
     "type": "string_array"
    },
    "require":{
     "type": "token_array"
    },
    "exterior_model":{
     "type": "string"
    },
    "interior_model":{
     "type": "string"
    },
    "exterior_model_uk":{
     "type": "string"
    },
    "interior_model_uk":{
     "type": "string"
    },
    "coll":{
     "type": "string"
    },
    "look":{
     "type": "token"
    },
    "variant":{
     "type": "token"
    },
    "hide_in":{
     "type": "u32"
    }
   }
  },