private void OnTriggerStay(Collider other)
{
if (_stateMachine.Health.IsDead)
{
return;
}
bool enemyOrPlayerThreatInSight = false;
// This is for potential threats
if (other.CompareTag("Player") || other.CompareTag("Enemy"))
{
if (_angryAt.Count == 0)
{
goto NotAngryAtAnyoneInSight;
}
// First check if we are angry at the potential target
GameObject potentialTargetObject = _angryAt.Find(potentialTarget => potentialTarget == other.gameObject);
if (potentialTargetObject == null)
{
goto NotAngryAtAnyoneInSight;
}
// If we are already seeing a player or enemy and the target we just saw is a different one, then we don't do anything
if (_stateMachine.CurrentTarget != null && _stateMachine.CurrentTarget.TargetTransform.gameObject != other.gameObject &&
(_stateMachine.CurrentTarget.Type == AITargetType.Player || _stateMachine.CurrentTarget.Type == AITargetType.Enemy))
{
return;
}
// At this point, we are only interacting with either the target that we already have as a target or a new one (since we don't have a target at all)
RaycastHit hitInfo;
if (Physics.Raycast(transform.position, (other.transform.position + Vector3.up) - transform.position, out hitInfo, _sphereCollider.radius, _seeablesMask))
{
if (hitInfo.transform.gameObject == other.gameObject)
{
float angle = Vector3.Angle(transform.forward, (other.transform.position + Vector3.up) - transform.position);
if (angle <= _fieldOfView)
{
_stateMachine.SetTarget(other.transform, AITargetType.Player);
enemyOrPlayerThreatInSight = true;
}
}
}
// Resetting target for when the player or the enemy is inside the scanner collider but not inside the field of view
// If we were seeing the player or the enemy and no longer see him, then we reset the target after the tolerance time
if (_stateMachine.CurrentTarget != null && _stateMachine.CurrentTarget.Type == AITargetType.Player && !enemyOrPlayerThreatInSight)
{
_targetOutOfSightTime += Time.deltaTime;
if (_targetOutOfSightTime >= _targetOutOfSightTolerance)
{
_targetOutOfSightTime = 0f;
_stateMachine.ResetTarget();
}
}
}
if (enemyOrPlayerThreatInSight)
{
return;
}
NotAngryAtAnyoneInSight:
if (other.CompareTag("AIVehicleDetector") &&
(_stateMachine.CurrentTarget == null || _stateMachine.CurrentTarget.Type != AITargetType.Vehicle) &&
_stateMachine.CurrentState.GetStateType() != AIState.AIStateType.Vehicle)
{
InteractiveVehicle interactiveVehicle = other.GetComponent <InteractiveVehicle>();
if (interactiveVehicle != null && !interactiveVehicle.Occupied)
{
AIStateVehicle aiStateDriving = (AIStateVehicle)(_stateMachine.GetState(AIState.AIStateType.Vehicle));
if ((aiStateDriving.WantToDrive && interactiveVehicle.DriverSeat) || (aiStateDriving.WantToBePassenger && !interactiveVehicle.DriverSeat))
{
_stateMachine.SetTarget(other.transform, AITargetType.Vehicle);
return;
}
}
}
if (other.CompareTag("Chair") &&
(_stateMachine.CurrentTarget == null || _stateMachine.CurrentTarget.Type != AITargetType.Chair) &&
_stateMachine.CurrentState.GetStateType() != AIState.AIStateType.Sitting)
{
InteractiveChair interactiveChair = other.GetComponent <InteractiveChair>();
if (interactiveChair != null && !interactiveChair.IsOccupied)
{
AIStateSitting aiStateDriving = (AIStateSitting)(_stateMachine.GetState(AIState.AIStateType.Sitting));
if (aiStateDriving.IsTired)
{
_stateMachine.SetTarget(other.transform, AITargetType.Chair);
return;
}
}
}
// For social Interaction
if (other.CompareTag("Enemy"))
{
// if we are already interacting socially, then there is nothing to do here
if (_stateMachine.CurrentTarget != null && _stateMachine.CurrentTarget.Type == AITargetType.Friend)
{
return;
}
AIStateMachine otherStateMachine = other.GetComponent <AIStateMachine>();
AIStateSocialInteraction mySocialInteractionState = (AIStateSocialInteraction)(_stateMachine.GetState(AIState.AIStateType.SocialInteraction));
AIStatePursuit myPursuitState = (AIStatePursuit)(_stateMachine.GetState(AIState.AIStateType.Pursuit));
AIStateSocialInteraction friendSocialInteractionState = (AIStateSocialInteraction)(otherStateMachine.GetState(AIState.AIStateType.SocialInteraction));
AIStatePursuit friendPursuitState = (AIStatePursuit)(otherStateMachine.GetState(AIState.AIStateType.Pursuit));
if (mySocialInteractionState.IsFeelingLonely && friendSocialInteractionState.IsFeelingLonely &&
!otherStateMachine.Health.IsDead)
{
// If the friend hasn't gotten into social mode yet by setting a target of type friend, then we are the ones who are going to be making the first move
if (otherStateMachine.CurrentTarget == null ||
otherStateMachine.CurrentTarget.Type == AITargetType.None ||
otherStateMachine.CurrentTarget.Type == AITargetType.NavigationPoint ||
otherStateMachine.CurrentTarget.Type == AITargetType.BoomBox)
{
myPursuitState.ShouldMakeAMove = true;
mySocialInteractionState.FriendSocialInteraction = friendSocialInteractionState;
// We set our pursuit mode by setting a target
_stateMachine.SetTarget(other.transform, AITargetType.Friend);
// the friend should instantly get into social mode
friendSocialInteractionState.FriendSocialInteraction = mySocialInteractionState;
otherStateMachine.SetTarget(transform, AITargetType.Friend);
otherStateMachine.SwitchState(AIState.AIStateType.SocialInteraction);
}
}
}
if (other.CompareTag("BoomBox"))
{
// If we have a more important target: Another AI Agent as an enemy, a friend or a player, then we ignore the boombox
if (_stateMachine.CurrentTarget != null &&
(_stateMachine.CurrentTarget.Type == AITargetType.Player ||
_stateMachine.CurrentTarget.Type == AITargetType.Enemy ||
_stateMachine.CurrentTarget.Type == AITargetType.Friend))
{
return;
}
AIStateDancing aiStateDancing = (AIStateDancing)(_stateMachine.GetState(AIState.AIStateType.Dancing));
if (aiStateDancing.IsHungry)
{
_stateMachine.SetTarget(other.transform, AITargetType.BoomBox);
}
}
}
public override AIStateType OnUpdate()
{
// Sometimes we are pusuing something but the target is null. We would like to still go to the last position of the target.
if (_stateMachine.CurrentTarget == null)
{
if (_stateMachine.Agent.hasPath)
{
if (!_stateMachine.Agent.pathPending &&
(_stateMachine.Agent.remainingDistance <= _stateMachine.Agent.stoppingDistance ||
_stateMachine.Agent.isPathStale))
{
return(AIStateType.Alert);
}
}
else
{
return(AIStateType.Alert);
}
}
// If we can't reach the target, we go into hurdle mode
if (_stateMachine.Agent.isPathStale)
{
return(AIStateType.Hurdle);
}
PeriodicDestination();
float stoppingDistance = GetStoppingDistance(_stateMachine.Agent.stoppingDistance);
if (_stateMachine.Agent.remainingDistance <= stoppingDistance &&
!_stateMachine.Agent.isPathStale)
{
if (_stateMachine.CurrentTarget != null && _stateMachine.CurrentTarget.Type == AITargetType.Player &&
Vector3.Distance(transform.position, _stateMachine.CurrentTarget.TargetTransform.position) <= _stateMachine.Agent.stoppingDistance)
{
// We go into attack mode
return(AIStateType.Attack);
}
if (_stateMachine.CurrentTarget != null && _stateMachine.CurrentTarget.Type == AITargetType.Sound)
{
// We reset the target and go into sound mode if it's a sound
_stateMachine.ResetTarget();
return(AIStateType.Alert);
}
if (_stateMachine.CurrentTarget != null && _stateMachine.CurrentTarget.Type == AITargetType.BoomBox)
{
return(AIStateType.Dancing);
}
if (_stateMachine.CurrentTarget != null && _stateMachine.CurrentTarget.Type == AITargetType.Friend)
{
return(AIStateType.SocialInteraction);
}
if (_stateMachine.CurrentTarget != null && _stateMachine.CurrentTarget.Type == AITargetType.Vehicle)
{
return(AIStateType.Vehicle);
}
if (_stateMachine.CurrentTarget != null && _stateMachine.CurrentTarget.Type == AITargetType.Chair)
{
// We need to check if the chair is already occupied
AIStateSitting aiStateSitting = GetComponent <AIStateSitting>();
InteractiveChair _interactiveChair = _stateMachine.CurrentTarget.TargetTransform.GetComponent <InteractiveChair>();
if (aiStateSitting != null && !_interactiveChair.IsOccupied)
{
return(AIStateType.Sitting);
}
else
{
_stateMachine.ResetTarget();
_stateMachine.Agent.ResetPath();
}
}
}
LookAtObjective();
HandleAnimator();
return(AIStateType.Pursuit);
}
