/// <summary>
/// Handles the case where the current Audio AiTarget contains a current Audio Threat.
/// </summary>
/// <returns>A new state or NONE if nothing needed to be handled</returns>
private AiStateType HandleAudioThreat()
{
AiStateType state = AiStateType.None;
AiThreatManager manager = zombieStateMachine.ThreatManager;
AiTarget audioThreat = zombieStateMachine.ThreatManager.CurrentAudioThreat;
if (manager.IsTargeting(AiTargetType.Visual_Food))
{
state = AiStateType.Alerted;
}
else if (manager.IsTargeting(AiTargetType.Audio))
{
// Get unique ID of the collider of our target
int currentID = zombieStateMachine.ThreatManager.CurrentTarget.GetColliderID();
// If this is the same light
if (currentID == zombieStateMachine.ThreatManager.CurrentAudioThreat.GetColliderID())
{
RepathToThreatIfNecessary(audioThreat);
state = AiStateType.Pursuit;
}
else
{
state = AiStateType.Alerted;
}
}
manager.TrackTarget(audioThreat);
return(state);
}
/// <summary>
/// Handles the case where the current visual threat is a Visual_light.
/// </summary>
/// <returns>A new state or NONE if nothing needed to be handled</returns>
private AiStateType HandleVisualLightThreats()
{
AiStateType state = AiStateType.None;
AiThreatManager manager = zombieStateMachine.ThreatManager;
AiTarget visualThreat = zombieStateMachine.ThreatManager.CurrentVisualThreat;
// and we currently have a lower priority target then drop into alerted
// mode and try to find source of light
if (manager.IsTargeting(AiTargetType.Audio) || manager.IsTargeting(AiTargetType.Visual_Food))
{
state = AiStateType.Alerted;
}
else if (manager.IsTargeting(AiTargetType.Visual_Light))
{
// Get unique ID of the collider of our target
int currentID = zombieStateMachine.ThreatManager.CurrentTarget.GetColliderID();
// If this is the same light
if (currentID == visualThreat.GetColliderID())
{
RepathToThreatIfNecessary(visualThreat);
state = AiStateType.Pursuit;
}
else
{
state = AiStateType.Alerted;
}
}
manager.TrackTarget(visualThreat);
return(state);
}
/// <summary>
/// Called by the state machine each frame.
/// </summary>
/// <returns>Either Idle or a new state based upon the threats that were processed</returns>
public override AiStateType OnUpdate()
{
IncrementTimer();
AiStateType state = GetDefaultStateType();
// if we got to this state, but its not hungry, go back to alert state
if (!zombieStateMachine.IsHungery())
{
zombieStateMachine.WaypointManager.TrackWayPoint();
state = AiStateType.Alerted;
}
else
{
AiThreatManager manager = zombieStateMachine.ThreatManager;
if (manager.DoesPlayerThreatExist() || manager.DoesLightThreatExist())
{
manager.TrackTarget(zombieStateMachine.ThreatManager.CurrentVisualThreat);
state = AiStateType.Alerted;
}
else if (manager.DoesAudioThreatExist())
{
manager.TrackTarget(zombieStateMachine.ThreatManager.CurrentAudioThreat);
state = AiStateType.Alerted;
}
else if (manager.IsTargeting(AiTargetType.Visual_Food))
{
if (IsZombieCurrentlyEating())
{
ReplenishSatisfaction();
}
}
FaceTargetGradually(this.slerpSpeed);
}
return(state);
}
