class MyTest extends AIController {
  function Start();
}

function MyTest::Start() {
  local cargoes = AICargoList();
  local oil;
  foreach (cargo, value in cargoes) {
    if( AICargo.GetCargoLabel(cargo) == "OIL_") {
      oil = cargo;
      break;
    }
  }

  local oilrigs = AIIndustryList_CargoProducing(oil);
  oilrigs.Valuate(AIIndustry.HasDock);
  oilrigs.KeepValue(1);

  oilrigs.Valuate(AIIndustry.GetLastMonthProduction, oil);
  local myRig = oilrigs.Begin();
  AISign.BuildSign(AIIndustry.GetLocation(myRig), "origin");

  local refineries = AIIndustryList_CargoAccepting(oil);
  refineries.Valuate(AIIndustry.GetDistanceManhattanToTile, AIIndustry.GetLocation(myRig));
  refineries.Sort(AIList.SORT_BY_VALUE, true);
  local myRef = refineries.Begin();
  AISign.BuildSign(AIIndustry.GetLocation(myRef), "destination");

  AILog.Info(AITile.GetSlope(0x418E));  // 0x418E comes from Land Area Information tool within the game
  AILog.Info(AITile.IsCoastTile(0x418E));
  AIMarine.BuildDock(0x418E, AIStation.STATION_NEW);

  while (true) {
    this.Sleep(50);
  }
}