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Modding since 2024

API ReferenceGE ExtensionseditorvehicleEditorliveEditor

Vehicle Editor - Powertrain Inspector

Displays live powertrain device data and JBeam definitions for the active vehicle in the Vehicle Editor, allowing inspection of engines, transmissions, and other drivetrain components.

Displays live powertrain device data and JBeam definitions for the active vehicle in the Vehicle Editor, allowing inspection of engines, transmissions, and other drivetrain components.


Module Exports

ExportTypeDescription
M.menuEntrystring"Powertrain Inspector" - menu label
M.dependenciestable{"editor_veMain"}
M.openfunctionOpens the powertrain inspector window
M.onUpdatehookRenders ImGui window with device data
M.onSerializehookSaves window and device selection state
M.onDeserializehookRestores state
M.onVehicleSwitchedhookRefreshes device list on vehicle change
M.onEditorActivatedhookRefreshes device list when editor activates

Key Internals

VariableTypePurpose
windowOpenBoolPtrWindow visibility toggle
devicePtrIntPtrCurrently selected device index in combo box
deviceNamestableSorted list of powertrain device names
deviceStringstringNull-separated device names for ImGui combo

How It Works

  1. Queries vehicle Lua for serialized powertrain device info via queueLuaCommand
  2. Builds a sorted combo box of device names from vEditor.powertrainDevices
  3. For the selected device, shows:
    • JBeam Data - from vEditor.vdata.powertrain via powerTrainUtils.showJbeamData()
    • Live Data - from serialized device info via powerTrainUtils.displayLivedata() and powerTrainUtils.displayLivedataByType()

Lua Code Example

-- Open powertrain inspector
extensions.editor_vehicleEditor_liveEditor_vePowerTrain.open()

-- The module queries vehicle-side Lua each frame:
-- vEditor.vehicle:queueLuaCommand([[
--   obj:queueGameEngineLua("vEditor.powertrainDevices ="
--     .. powertrain.serializeDevicesInfo())
-- ]])

-- Device names are collected and sorted alphabetically:
-- local deviceNamesUnsorted = {}
-- for _, device in ipairs(vEditor.powertrainDevices) do
--   deviceNamesUnsorted[device.name] = 0
-- end
-- local keys = tableKeysSorted(deviceNamesUnsorted)

-- JBeam data is shown for matching powertrain entries:
-- for lpid = 0, #vEditor.vdata.powertrain - 1 do
--   if deviceNames[devicePtr[0]+1] == vEditor.vdata.powertrain[lpid].name then
--     powerTrainUtils.showJbeamData(lpid)
--   end
-- end

-- Live data tree displays real-time device state:
-- powerTrainUtils.displayLivedata(device)
-- powerTrainUtils.displayLivedataByType(device.type, device)

-- When vehicles are switched, the device string is refreshed:
-- vEditor.vehicle:queueLuaCommand(
--   'obj:queueGameEngineLua("vEditor.resetDeviceString = true")')

-- Uses powerTrainUtils from editor/vehicleEditor/api/powerTrainUtils
local powerTrainUtils = require("editor/vehicleEditor/api/powerTrainUtils")

See Also

  • Adjustable Tech Car Tuner - Related reference
  • Aero Debug - Related reference
  • Crash Tester - Related reference
  • World Editor Guide - Guide

Vehicle Editor - Node Triangle Self Collision Detector

Detects and visualizes nodes that are within collision radius of triangles they don't belong to, highlighting potential self-collision issues in JBeam vehicle data.

Vehicle Editor - Prop Transformer

Interactive tool for picking, inspecting, and transforming vehicle props (meshes, lights) in 3D using axis gizmos, with support for translation and rotation in both local and global coordinate spaces.

On this page

Module ExportsKey InternalsHow It WorksLua Code ExampleSee Also