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Modding since 2024

API ReferenceGE ExtensionseditorvehicleEditorstaticEditor

Vehicle Editor - JBeam Spellchecker

Validates JBeam modifier names across all vehicle files by checking them against a whitelist of known valid modifiers per section type.

Validates JBeam modifier names across all vehicle files by checking them against a whitelist of known valid modifiers per section type.


Module Exports

ExportTypeDescription
M.menuEntrystring"JBeam Spellchecker" - menu label
M.openfunctionOpens the spellchecker window
M.onUpdatehookRenders ImGui window with analysis button
M.onSerializehookPersists window state
M.onDeserializedhookRestores window state

Key Internals

VariableTypePurpose
windowOpenBoolPtrWindow visibility
allSectionstableWhitelist of valid modifiers per JBeam section

Covered Sections

flexbodies, props, nodes, beams, triangles, hydros, torsionbars, torsionHydros, variables


How It Works

  1. analyze() scans all *.jbeam files under vehicles/
  2. For each file, parses JSON and iterates all parts
  3. For each recognized section with tabular data:
    • Extracts the header row
    • Walks data rows looking for inline modifier dictionaries
    • Checks each modifier key against allSections[sectionName]
    • Logs an error for any unrecognized modifier name
  4. Results appear in the game console

Lua Code Example

-- Open the spellchecker
extensions.editor_vehicleEditor_staticEditor_veJBeamSpellchecker.open()

-- Click "Start Analysis" to scan all vehicle JBeam files

-- The whitelist covers all common JBeam table modifiers, e.g.:
-- allSections.beams = {
--   beamSpring = true, beamDamp = true, beamDeform = true,
--   beamStrength = true, beamType = true, breakGroup = true, ...
-- }
-- allSections.nodes = {
--   nodeWeight = true, group = true, collision = true,
--   selfCollision = true, frictionCoef = true, ...
-- }

-- Analysis walks every jbeam file:
-- local filePaths = FS:findFiles('vehicles', "*.jbeam", -1, false, false)
-- for _, filePath in ipairs(filePaths) do
--   local data = parseFile(filePath)
--   analyzeJBeamFile(filePath, fileName, data)
-- end

-- Modifier extraction from rows:
-- if tableIsDict(rowValue) then
--   mods = rowValue  -- entire row is a modifier dict
-- else
--   -- check inline options after header columns
--   for rk = headerSize1, #rowValue do
--     if type(rv) == 'table' and tableIsDict(rv) then
--       mods = rv
--       break
--     end
--   end
-- end

-- Invalid modifiers logged as:
-- log('E', '', 'vehicles/xyz/part.jbeam: Section: beams Modifier: "beamStregnth" not valid!')

See Also

  • Vehicle Editor - JBeam Beautifier - Related reference
  • Vehicle Editor - JBeam Modifier Leaking Visualizer - Related reference
  • Vehicle Editor - JBeam Table Visualizer - Related reference
  • World Editor Guide - Guide

Vehicle Editor - JBeam Modifier Leaking Visualizer

Analyzes and visualizes JBeam modifier leaking - when a modifier set in one part affects rows in a different part due to the cascading nature of JBeam table modifiers.

Vehicle Editor - JBeam Table Visualizer

Visualizes numeric table data from JBeam files as interactive 2D plots with Catmull-Rom curve interpolation, useful for inspecting torque curves, gear ratios, and other tabular data.

On this page

Module ExportsKey InternalsCovered SectionsHow It WorksLua Code ExampleSee Also