function WrightAI::GetEngineDaysInTransit(engine_id, fakedist)

    local days_in_transit = (fakedist * 256 * 16) / (2 * 74 * AIEngine.GetMaxSpeed(engine_id));

    return days_in_transit;

 

function WrightAI::GetEngineRouteIncome(engine_id, cargo, fakedist) {

    local running_cost = AIEngine.GetRunningCost(engine_id);

    local capacity = AIEngine.GetCapacity(engine_id);

    local days_in_transit = WrightAI.GetEngineDaysInTransit(engine_id, fakedist);

    local income = capacity * AICargo.GetCargoIncome(cargo, fakedist, days_in_transit) - running_cost * days_in_transit / 365;

    return income;