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Documentation/Engine/Sound/TruckTransmission

< Documentation‎ | Engine‎ | Sound
Revision as of 12:48, 15 October 2020 by Lubos.scs (talk | contribs) (Gear grind)

Sounds - The truck transmission and the retarder

The next group of the sounds of the truck are sounds of the transmission and the retarder.

Contents

Retarder

Event "retarder" plays sound of the retarder.
It have to be 3D event. The event should be routed to the "truck_effects" audio bus.
The event must be looped.

These event parameters must exist:

  • retadred
    the value is in the range <0 - 1>
    value represents the retarder activity
  • trans_rpm
    the value is in the range <0 - 3000>
    value represents the rpm of the transmission

Gear grind

Sound of grinding of the transmission gears

Gear wrong

Engine Sound Configuration

The group of sounds configuration is stored in the "accessory_transmission_data" data.
There are not mandatory events but there are not default events too. Only the defined sounds will be played.
There is array "sounds" which contents specification for the events:

  • retarder
  • gear_grind
  • gear_wrong


Example:
There are configuration files of transmissions for the "Peterbilt 579" at the folder "\def\vehicle\truck\peterbilt.579\transmission".
Each accessory include @include "sound.sui" file which contents indirect definition of the events:

	sounds: 3
	sounds[]: "retarder|/sound/truck/default/retarder.soundref"
	sounds[]: "gear_grind|/sound/truck/default/effects_gear_grind.soundref"
	sounds[]: "gear_wrong|/sound/truck/default/effects_gear_wrong.soundref"