public IEnumerator GuardAttack()
{
while (CStates == Guard_State.Attack)
{
//whilst close enough attack the player, if still has lineofsight but too far to attack back to chase, If lineofsight lost go to suspicious.
detectionLight.color = Color.black;
GuardNav.SetDestination(LastPos);
while (GuardNav.pathPending)
{
yield return(null);
}
if (GuardNav.remainingDistance < 10f)
{
GuardNav.isStopped = true;
canAttack = true;
anim.SetBool("closeAttack", true);
}
if (GuardNav.remainingDistance > 10f)
{
CurrentState = Guard_State.Chase;
}
else if (!ClearLineOfSight)
{
CurrentState = Guard_State.Suspicious;
yield break;
}
yield return(null);
}
}
void PatrolRoute()
{
if (canSee || canChase)
{
SetDestination();
}
if (isTravelling && guardAgent.remainingDistance <= 0.5f)
{
isTravelling = false;
waiting = true;
waitTimer = 0;
totalWaitTime = Random.Range(minWait, maxWait);
}
if (waiting)
{
baseStates = Guard_State.Idle;
waitTimer += Time.deltaTime;
if (waitTimer >= totalWaitTime)
{
baseStates = Guard_State.Patrol;
waiting = false;
currentPatrolPoint = (currentPatrolPoint + 1) % patrol.Count;
SetDestination();
}
if (canSee && canChase)
{
waiting = false;
}
}
}
public IEnumerator GuardPatrol()
{
while (CStates == Guard_State.Patrol)
{
detectionLight.color = Color.yellow;
GuardNav.speed = patrolSpeed;
isTravelling = true;
waiting = false;
isSuspicious = false;
GuardNav.isStopped = false;
anim.SetBool("isWaiting", false);
anim.SetBool("isChasing", false);
anim.SetBool("isPatrolling", true);
//Sets target to the next waypoint in the list
Vector3 WaypointTarget = patrol[currentPatrolPoint].transform.position;
GuardNav.SetDestination(WaypointTarget);
//path is null is it wasn't completed yet, fixes the waypoint skip problem
while (GuardNav.pathPending)
{
yield return(null);
}
//is close enought to the target waypoint start waiting
if (isTravelling && GuardNav.remainingDistance <= 0.5f)
{
isTravelling = false;
waiting = true;
}
//waits at waypoint for random ammount of seconds
if (waiting)
{
anim.SetBool("isPatrolling", false);
anim.SetBool("isWaiting", true);
waitTimer += Time.deltaTime;
GuardNav.isStopped = true;
if (waitTimer >= totalWaitTime)
{
//when the timer reaches the max timer take current target then add 1, sets next waypoint as destination
GuardNav.isStopped = false;
waiting = false;
currentPatrolPoint = (currentPatrolPoint + 1) % patrol.Count;
GuardNav.SetDestination(WaypointTarget);
}
}
else if (!waiting)
{
waitTimer = 0;
totalWaitTime = Random.Range(minWait, maxWait);
}
if (ClearLineOfSight)
{
//if guard see's player chnage to chase state
CurrentState = Guard_State.Chase;
yield break;
}
yield return(null);
}
}
public void Awake()
{
anim = GetComponent <Animator>();
currentPatrolPoint = 0;
guardAgent = this.GetComponent <NavMeshAgent>();
baseStates = Guard_AI.Guard_State.Patrol;
anim.SetBool("isPatrolling", true);
}
//takes the players position and the npc position, check is the player is wintin 30 of the enemy or 60 angle
void DetectPlayer()
{
Vector3 direction = playerTarget.position - this.transform.position;
direction.y = 0;
if (Vector3.Distance(playerTarget.position, this.transform.position) < FOVDist && FOVAngle < 75)
{
baseStates = Guard_State.Chase;
detectCounter += Time.deltaTime;
if (detectCounter >= maxDetectCount)
{
canChase = true;
isTravelling = false;
baseStates = Guard_State.Chase;
detectCounter = 0;
guardAgent.destination = playerTarget.position;
}
else if (Vector3.Distance(playerTarget.position, this.transform.position) < 20 && FOVAngle < 20)
{
detectCounter = 0;
canChase = true;
isTravelling = false;
baseStates = Guard_State.Chase;
}
if (!canSee)
{
detectCounter = 0;
}
}
if (Vector3.Distance(playerTarget.position, this.transform.position) > MaxViewRange && !isTravelling && !waiting)
{
canSee = false;
canChase = false;
isTravelling = true;
baseStates = Guard_State.Patrol;
PatrolRoute();
}
if (Vector3.Distance(playerTarget.position, this.transform.position) <= AttackDist)
{
canAttack = true;
canChase = false;
baseStates = Guard_State.Attack;
anim.SetBool("closeAttack", true);
}
else
{
anim.SetBool("closeAttack", false);
canAttack = false;
}
}
// setting the next wayppoint destination
private void SetDestination()
{
if (canSee || canChase)
{
guardAgent.destination = playerTarget.position;
baseStates = Guard_State.Chase;
}
if (!canSee)
{
Vector3 targetPoint = patrol[currentPatrolPoint].transform.position;
guardAgent.SetDestination(targetPoint);
isTravelling = true;
}
}
public IEnumerator GuardChase()
{
while (CStates == Guard_State.Chase)
{
detectionLight.color = Color.red;
GuardNav.speed = chaseSpeed;
GuardNav.isStopped = false;
beingDetected = false;
waiting = false;
canAttack = false;
isTravelling = false;
isSuspicious = false;
anim.SetBool("isChasing", true);
anim.SetBool("isWaiting", false);
anim.SetBool("isPatrolling", false);
anim.SetBool("closeAttack", false);
//sets to dest to lastknownpos
GuardNav.SetDestination(LastPos);
while (GuardNav.pathPending)
{
yield return(null);
}
if (ClearLineOfSight)
{
detectionTimer = 0;
}
if (!ClearLineOfSight)
{
CurrentState = Guard_State.Suspicious;
}
//if the guard is close enought to attack stop the nav agent moving then switch to attack, if lost sight go to suspicious
if (GuardNav.remainingDistance <= 10f)
{
GuardNav.isStopped = true;
{
CurrentState = Guard_State.Attack;
yield break;
}
}
yield return(null);
}
}
public IEnumerator GuardSus()
{
while (CStates == Guard_State.Suspicious)
{
//walks to lastkknown pos, then stops and waits for 5 seconds, if player detected during the 5 seconds back to chase else return to patrol.
detectionLight.color = Color.blue;
canAttack = false;
isTravelling = true;
isSuspicious = true;
anim.SetBool("closeAttack", false);
GuardNav.SetDestination(LastPos);
while (GuardNav.pathPending)
{
yield return(null);
}
if (isTravelling && GuardNav.remainingDistance <= 0.5f)
{
waiting = true;
isTravelling = false;
}
if (waiting)
{
anim.SetBool("isWaiting", true);
anim.SetBool("isChasing", false);
waitTimer += Time.deltaTime;
GuardNav.isStopped = true;
if (waitTimer >= totalWaitTime)
{
CurrentState = Guard_State.Patrol;
}
}
else if (!waiting)
{
waitTimer = 0;
totalWaitTime = 5;
}
if (ClearLineOfSight)
{
CurrentState = Guard_State.Chase;
yield break;
}
yield return(null);
}
}
public void OnTriggerEnter(Collider other)
{
canHear = true;
baseStates = Guard_State.Chase;
guardAgent.destination = playerTarget.position;
}
private void Start()
{
CurrentState = Guard_State.Patrol;
currentPatrolPoint = 0;
}
//simply ontrigger if the player is making too much noise the collider radius will increase causing ontrigger enter.
public void OnTriggerEnter(Collider Sound)
{
canHear = true;
CurrentState = Guard_State.Chase;
}
