Time Trial Missions

local function generate()
  -- 1. Load quickrace track list via scenario_quickRaceLoader
  local data = scenario_quickRaceLoader.getQuickraceList()

  for _, level in ipairs(data) do
    for _, race in ipairs(level.tracks) do
      if not race.ignoreAsMission then
        -- 2. Get race file (or convert from track editor format via cache)
        local raceFile = race.raceFile
        if not raceFile and not race.isTrackEditorTrack then
          race, raceFile = getCachedRacefile(level, race)
        end

        -- 3. Build mission from race data
        mission.id = "timeTrials/"..levelName..'/'..trackName.."-procedural"
        mission.missionType = "generatedTimeTrial"

        mission.missionTypeData = {
          raceFile = raceFile,
          closed = race.closed,
          reversible = race.reversible,
          allowRollingStart = race.allowRollingStart,
          defaultLaps = race.defaultLaps,
          prefabs = race.prefabs,        -- always loaded
          reversePrefabs = race.reversePrefabs,  -- reverse direction only
          forwardPrefabs = race.forwardPrefabs,  -- forward direction only
        }

        -- 4. Set start trigger from default start position
        for _, sp in ipairs(race.startPositions) do
          if sp.oldId == race.defaultStartPosition then
            mission.startTrigger.pos = sp.pos
            mission.startTrigger.rot = sp.rot
          end
        end
      end
    end
  end
end

local cachePath = "gameplay/temp/timeTrials/"
local function getCachedRacefile(level, race)
  -- 1. Check cache at cachePath/id.json
  -- 2. If missing, convert via race path:fromTrack()
  -- 3. Save to cache (or mark as {invalid=true})
  -- 4. Return cached data + cache file path
end