BeamNG World Editor ImGui Windows

local M = {}
local logTag = 'editor_myTool'
local im = ui_imgui
local toolWindowName = "editor_myTool_window"

local function onEditorGui()
  if not editor.isWindowVisible(toolWindowName) then return end
  
  if editor.beginWindow(toolWindowName, "My Tool") then
    im.Text("Tool content here")
    
    if im.Button("Do Something") then
      log('I', logTag, "Button clicked")
    end
  end
  editor.endWindow()
end

local function onWindowMenuItem()
  editor.showWindow(toolWindowName)
end

local function onEditorInitialized()
  editor.registerWindow(toolWindowName, im.ImVec2(400, 300))
  editor.addWindowMenuItem("My Tool", onWindowMenuItem)
  log('I', logTag, "My Tool initialized")
end

local function onActivate()
  log('I', logTag, "My Tool activated")
end

M.onEditorGui = onEditorGui
M.onEditorInitialized = onEditorInitialized
M.onWindowMenuItem = onWindowMenuItem
M.onActivate = onActivate
return M

local function onEditorGui()
  if not editor.isWindowVisible(toolWindowName) then return end
  
  if editor.beginWindow(toolWindowName, "My Tool", im.WindowFlags_MenuBar) then
    if im.BeginMenuBar() then
      if im.BeginMenu("File") then
        if im.MenuItem1("Load") then loadData() end
        if im.MenuItem1("Save") then saveData() end
        im.EndMenu()
      end
      im.EndMenuBar()
    end
    
    -- Window content
    im.Text("Content")
  end
  editor.endWindow()
end

-- Select a scene object
editor.selectObjectById(objectId)

-- Get current selection
local selection = editor.selection
if selection and selection.object and #selection.object > 0 then
  local selectedObj = scenetree.findObjectById(selection.object[1])
end

-- Show notification
editor.showNotification("Operation complete!")

-- Editor provides icon buttons (only available in editor context)
if editor.uiIconImageButton then
  editor.uiIconImageButton(editor.icons.save, im.ImVec2(24, 24))
  editor.uiIconImageButton(editor.icons.delete, im.ImVec2(24, 24))
end

local lastUpdateTime = 0
local UPDATE_INTERVAL = 5  -- seconds

function M.onEditorUpdate()
  -- Called every frame when editor is active
  if os.time() - lastUpdateTime > UPDATE_INTERVAL then
    lastUpdateTime = os.time()
    -- Do periodic work (refresh lists, validate data, etc.)
  end
end

-- Read editor preferences
if editor and editor.getPreference then
  local dpiAware = editor.getPreference("ui.general.dpiAware")
  local lineThickness = editor.getPreference("gizmos.general.lineThicknessScale")
end

-- Draw debug shapes in the 3D viewport
function M.onEditorUpdate()
  if pendingPlacement then
    local hit = cameraMouseRayCast(true)
    if hit then
      local pos = vec3(worldEditorCppApi.snapPositionToGrid(hit.pos))
      local lineWidth = editor.getPreference("gizmos.general.lineThicknessScale") * 4
      
      -- Draw crosshair at cursor position
      debugDrawer:drawLineInstance(pos - vec3(2,0,0), pos + vec3(2,0,0), lineWidth, ColorF(1,0,0,1))
      debugDrawer:drawLineInstance(pos - vec3(0,2,0), pos + vec3(0,2,0), lineWidth, ColorF(0,1,0,1))
      debugDrawer:drawLineInstance(pos - vec3(0,0,2), pos + vec3(0,0,2), lineWidth, ColorF(0,0,1,1))
    end
  end
end

-- Create a BeamNGTrigger
local obj = worldEditorCppApi.createObject("BeamNGTrigger")
if obj then
  obj:setName("myTriggerName")
  obj:registerObject("")
  obj:setPosition(hitPosition)
  
  -- Add to appropriate parent group
  local parent = scenetree.MissionGroup
  parent:addObject(obj)
  
  -- Select it
  editor.selectObjectById(obj:getID())
end