// Update is called once per frame
void Update()
{
//Switch between states at random intervals if not listening to controller
if (!M2QTTController.Instance.ListenToController)
{
currentTime += Time.deltaTime;
if (currentTime >= timeTillChange)
{
currentTime -= timeTillChange;
if (state == WarningLightState.On)
{
state = WarningLightState.Off;
}
else if (state == WarningLightState.Off)
{
state = WarningLightState.On;
}
}
//Set new random interval
timeTillChange = Random.Range(4f, 18f);
}
bool barrierActive = barrier.IsActive;
if (state == WarningLightState.On && !barrierActive)
{
//Light is red, activate the barrier
barrier.IsActive = true;
}
else if (state == WarningLightState.Off && barrierActive)
{
//Light is green, deactivate the barrier
barrier.IsActive = false;
}
}
//Handles MQTT messages when they are received
public void HandleMessage(string topic, string message)
{
//Parse and store topic information
TopicInformation info = ParseTopic(topic);
switch (info.componentType)
{
case ComponentTypes.traffic_light:
//Handle traffic lights
//Try setting new traffic light state
try
{
TrafficLightState newState = (TrafficLightState)System.Enum.Parse(typeof(TrafficLightState), message);
SetTrafficLightState(info.laneType, info.groupID, info.componentID, newState);
}
catch
{
Debug.LogError($"ERROR: Tried setting invalid traffic light state: '{message}' for traffic light with GroupID: {info.groupID} and ComponentID: {info.componentID}");
}
break;
case ComponentTypes.warning_light:
//Handle warning lights
//Try setting new warning light state
try
{
WarningLightState newState = (WarningLightState)System.Enum.Parse(typeof(WarningLightState), message);
SetWarningLightState(info.laneType, info.groupID, info.componentID, newState);
}
catch
{
Debug.LogError($"ERROR: Tried setting invalid warning light state: '{message}' for warning light with GroupID: {info.groupID} and ComponentID: {info.componentID}");
}
break;
case ComponentTypes.boat_light:
//Handle boat lights
//Try setting new boat light state
try
{
BoatAndTrainLightState newState = (BoatAndTrainLightState)System.Enum.Parse(typeof(BoatAndTrainLightState), message);
SetBoatLightState(info.laneType, info.groupID, info.componentID, newState);
}
catch
{
Debug.LogError($"ERROR: Tried setting invalid boat light state: '{message}' for boat light with GroupID: {info.groupID} and ComponentID: {info.componentID}");
}
break;
case ComponentTypes.sensor: //Don't have to handle sensor data
break;
case ComponentTypes.barrier:
//Handle barriers
//Try setting new barrier state
try
{
BarrierState newState = (BarrierState)System.Enum.Parse(typeof(BarrierState), message);
SetBarrierState(info.laneType, info.groupID, info.componentID, newState);
}
catch
{
Debug.LogError($"ERROR: Tried setting invalid barrier state: '{message}' for barrier with GroupID: {info.groupID} and ComponentID: {info.componentID}");
}
break;
case ComponentTypes.deck:
//Handle deck(bridge)
//Try setting new deck(bridge) state
try
{
DeckState newState = (DeckState)System.Enum.Parse(typeof(DeckState), message);
SetDeckState(info.laneType, info.groupID, info.componentID, newState);
}
catch
{
Debug.LogError($"ERROR: Tried setting invalid deck(bridge) state: '{message}' for deck with GroupID: {info.groupID} and ComponentID: {info.componentID}");
}
break;
case ComponentTypes.train_light:
//Handle train_light
//Try setting new train_light state
try
{
BoatAndTrainLightState newState = (BoatAndTrainLightState)System.Enum.Parse(typeof(BoatAndTrainLightState), message);
SetTrainLightState(info.laneType, info.groupID, info.componentID, newState);
}
catch
{
Debug.LogError($"ERROR: Tried setting invalid train_light state: '{message}' for train_light with GroupID: {info.groupID} and ComponentID: {info.componentID}");
}
break;
}
}
private void SetWarningLightState(LaneTypes lanetype, int groupID, int componentID, WarningLightState newState)
{
//Finds all warning lights with certain properties
List <WarningLight> warninglightList = warninglights.FindAll(l => l.laneType == lanetype && l.GroupID == groupID && l.ComponentID == componentID);
//No warning light found
if (warninglightList == null)
{
Debug.LogError($"ERROR: Warninglight with groupID: {groupID} and componentID: {componentID} not found");
return;
}
foreach (var light in warninglightList)
{
if (newState != light.state)
{
light.state = newState;
}
}
}